WO2020063361A1

WO2020063361A1 - Shock absorber for washing machine and washing machine

Info

Publication number: WO2020063361A1
Application number: PCT/CN2019/105580
Authority: WO
Inventors: 赵志强; 许升; 吕佩师
Original assignee: 青岛海尔洗衣机有限公司
Priority date: 2018-09-29
Filing date: 2019-09-12
Publication date: 2020-04-02

Abstract

The present invention relates to the field of washing machines. Specifically, disclosed is a shock absorber for a washing machine, comprising a sleeve and a piston having one end inserted into the sleeve. A sliding member is disposed in the sleeve; a first friction member is provided between the sleeve and the piston; a second friction member is provided between the sleeve and the sliding member; during movement of the piston with respect to the sleeve, one or both of the first friction member and the second friction member generate friction force to absorb the vibration transmitted to the sleeve or to the sliding member. The shock absorber of the present invention is not only suitable for large-amplitude working conditions in, for example, washing, rinsing, and low-speed dehydration of the washing machine, but also suitable for small-amplitude working conditions in, for example, high-speed dehydration, so that better shock absorption and noise reduction effects are achieved.

Description

一种洗衣机减震器及洗衣机Shock absorber of washing machine and washing machine

技术领域Technical field

本发明属于洗衣机领域，具体地说，涉及一种洗衣机减震器及洗衣机。The invention belongs to the field of washing machines, in particular to a shock absorber of a washing machine and a washing machine.

背景技术Background technique

从洗衣机整个洗衣过程来看，振动在洗涤，漂洗，脱水各个阶段都会产生。滚筒洗衣机内筒的转速由0至1460r/min，即转速在0-25Hz变化，在内筒旋转过程中，由于衣物洗涤不均匀分布，形成两个振动***中的力，一个是偏载导致外筒下下运动；离心力导致外筒左右晃动。现有洗衣机减振器主要靠着摩擦力，而缓冲和消耗洗衣机洗涤、脱水时的振动能量。在滚筒洗衣机中，减振器能够吸收并消除振动，防止爬行，降低噪音，是保证洗衣机性能和延长洗衣机寿命的重要装置。From the perspective of the entire washing process of the washing machine, vibration occurs in all stages of washing, rinsing and dehydration. The rotation speed of the inner drum of the drum washing machine ranges from 0 to 1460r / min, that is, the rotation speed varies from 0 to 25Hz. During the rotation of the inner drum, due to the uneven distribution of laundry washing, the forces in two vibration systems are formed. Movement under the barrel; centrifugal force causes the outer barrel to shake left and right. The existing shock absorber of a washing machine mainly depends on frictional force, and buffers and consumes vibration energy during washing and dehydration of the washing machine. In drum washing machines, shock absorbers can absorb and eliminate vibration, prevent crawling, and reduce noise. It is an important device to ensure the performance of the washing machine and extend the life of the washing machine.

图1为现有减震器的剖视图，所述减震器包括气缸300和一端***所述气缸300的柱塞400，所述柱塞400可沿气缸300内壁移动，在气缸300与柱塞400的接触面之间设置有摩擦片500及润滑油脂，气缸固定端100与洗衣机的外筒相连，气缸300的另一端设置有开口，柱塞400的一端由开孔***气缸300内，柱塞固定端200连接洗衣机的壳体上，柱塞400与气缸300移动过程通过摩擦片500产生的摩擦力来吸收震动。FIG. 1 is a cross-sectional view of a conventional shock absorber. The shock absorber includes a cylinder 300 and a plunger 400 inserted into the cylinder 300 at one end. The plunger 400 can be moved along the inner wall of the cylinder 300. A friction plate 500 and lubricating grease are provided between the contact surfaces. The fixed end 100 of the cylinder is connected to the outer cylinder of the washing machine. The other end of the cylinder 300 is provided with an opening. One end of the plunger 400 is inserted into the cylinder 300 through an opening, and the plunger is fixed. The end 200 is connected to the casing of the washing machine, and the plunger 400 and the cylinder 300 move to absorb shock through the friction force generated by the friction plate 500 during the movement.

现有的减震器在高速脱水阶段小振幅情况下能有较好的减震效果，但在洗涤、漂洗以及低速脱水阶段等大振幅情况下减震效果不甚理想。The existing shock absorber can have a good shock absorption effect in the case of small amplitude in the high-speed dehydration stage, but the shock absorption effect in the case of large amplitudes such as washing, rinsing, and low-speed dehydration stage is not ideal.

因此需要提供一种既适用于洗衣机在洗涤、漂洗、低速脱水等大振幅工况，又适用于高速脱水时小振幅工况，进而实现更好减震降噪效果的洗衣机减震器及设置有此种减震器的洗衣机。Therefore, it is necessary to provide a shock absorber for a washing machine which is suitable for both large amplitude working conditions such as washing, rinsing, and low-speed dewatering, as well as small amplitude working conditions during high-speed dehydration, thereby achieving a better shock absorption and noise reduction effect. This type of shock absorber washer.

有鉴于此特提出本发明。In view of this, the present invention is proposed.

发明内容Summary of the Invention

本发明要解决的技术问题在于克服现有技术的不足，提供一种既适用于洗衣机在洗涤、漂洗、低速脱水等大振幅工况，又适用于高速脱水时小振幅工况，进而实现更好减震降噪效果的洗衣机减震器及设置有此种减震器的洗衣机。The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art, and provide a washing machine that is suitable for large-amplitude working conditions such as washing, rinsing, and low-speed dehydration, as well as small-amplitude working conditions for high-speed dehydration, thereby achieving better Shock absorber of shock-absorbing and noise-reducing effect of washing machine and washing machine provided with such shock-absorbing device.

为解决上述技术问题，本发明第一目的提出了一种洗衣机减震器，包括套筒和一端***所述套筒的活塞，所述套筒内设置滑动件，所述套筒与活塞之间设置第一摩擦件，套筒与滑动件之间设置第二摩擦件，活塞相对套筒移动过程中第一摩擦件与第二摩擦件其一或者同时产生摩擦力吸收传递至套筒或滑动件的震动。In order to solve the above technical problem, a first object of the present invention is to provide a shock absorber for a washing machine, which includes a sleeve and a piston inserted into the sleeve at one end, and a sliding member is disposed in the sleeve, and the sleeve and the piston are disposed between the sleeve and the piston. A first friction member is provided, and a second friction member is provided between the sleeve and the sliding member. During the movement of the piston relative to the sleeve, one or both of the first friction member and the second friction member generate frictional force to be transmitted to the sleeve or the sliding member. Shake.

进一步的，所述活塞相对于套筒内壁可移动设置，所述第一摩擦件设置于套筒内壁和/或活塞外壁上，活塞相对套筒移动过程中通过第一摩擦件产生摩擦力吸收传递至套筒的震动。Further, the piston is movably disposed relative to the inner wall of the sleeve, the first friction member is disposed on the inner wall of the sleeve and / or the outer wall of the piston, and the friction force is absorbed and transmitted by the first friction member during the movement of the piston relative to the sleeve. Vibration to the sleeve.

进一步的，所述活塞内壁和/或套筒外壁上设置第一凹槽，所述第一摩擦件设置于第一凹槽中；Further, a first groove is disposed on the inner wall of the piston and / or the outer wall of the sleeve, and the first friction member is disposed in the first groove;

优选的，所述第一凹槽呈长条状沿套筒长度方向设置于套筒内壁和/或活塞外壁上，所述第一摩擦件设置于第一凹槽中，所述第一凹槽的长度大于或等于第一摩擦件的长度；Preferably, the first groove is provided on the inner wall of the sleeve and / or the outer wall of the piston in a long shape along the length of the sleeve, and the first friction member is disposed in the first groove. The length is greater than or equal to the length of the first friction member;

更优选的，所述第一凹槽的长度大于第一摩擦件的长度，所述第一摩擦件可移动设置于第一凹槽中。More preferably, the length of the first groove is greater than the length of the first friction member, and the first friction member is movably disposed in the first groove.

进一步的，所述滑动件相对于套筒内壁可移动设置，所述第二摩擦件设置于滑动件外壁/套筒内壁，活塞联动滑动件相对套筒移动过程中第一摩擦件与第二摩擦件同时产生摩擦力吸收传递至滑动件的震动。Further, the sliding member is movably disposed relative to the inner wall of the sleeve, the second friction member is disposed on the outer wall of the sliding member / inner wall of the sleeve, and the first friction member and the second friction are rubbed during the movement of the piston linkage slide member relative to the sleeve At the same time, the frictional force is generated to absorb the vibration transmitted to the slider.

进一步的，所述滑动件外壁上设置第二凹槽，所述第二摩擦件设置于第二凹槽中；Further, a second groove is provided on the outer wall of the sliding member, and the second friction member is provided in the second groove;

优选的，所述第二凹槽呈长条状沿套筒长度方向设置于滑动件外壁上，所述第二摩擦件设置于第二凹槽中，所述第二凹槽的长度大于或等于第二摩擦件长度；Preferably, the second groove is arranged on the outer wall of the sliding member along the length of the sleeve in a long shape, the second friction member is arranged in the second groove, and the length of the second groove is greater than or equal to The length of the second friction member;

更优选的，所述第二凹槽的长度大于第二摩擦件长度，所述第二摩擦件可移动设置于第二凹槽中。More preferably, the length of the second groove is greater than the length of the second friction member, and the second friction member is movably disposed in the second groove.

进一步的，所述滑动件与所述活塞之间有连接件，所述连接件的一端与滑动件相连，连接件的另一端与活塞***套筒的一端相连，所述连接件相对活塞和/或滑动件可移动设置。Further, there is a connecting member between the sliding member and the piston, one end of the connecting member is connected to the sliding member, and the other end of the connecting member is connected to one end of the piston insertion sleeve, and the connecting member is opposite to the piston and / Or the slider can be set.

进一步的，所述活塞内有空腔，所述连接件的一端***空腔并可在空腔内往复运动，所述连接件***空腔的一端设置有第一止挡部，所述连接件的另一端与滑动件固定相连。Further, the piston has a cavity therein, and one end of the connecting member is inserted into the cavity and can reciprocate in the cavity. One end of the connecting member inserted into the cavity is provided with a first stopper, and the connecting member The other end is fixedly connected to the slider.

进一步的，所述活塞内有空腔，所述连接件的一端***空腔并可在空腔内往复运动，所述连接件***空腔的一端设置第一止挡部，所述连接件远离空腔的一端设置第二止挡部，所述滑动件设置于活塞与第二止挡部之间，并可沿着连接件往复运动。Further, the piston has a cavity therein, and one end of the connecting member is inserted into the cavity and can reciprocate in the cavity. One end of the connecting member inserted into the cavity is provided with a first stopper, and the connecting member is away from A second stopper is provided at one end of the cavity, and the sliding member is disposed between the piston and the second stopper, and can reciprocate along the connecting member.

进一步的，所述连接件的一端与活塞固定相连，所述连接件远离活塞的一端设置第二止挡部，所述滑动件设置于活塞与第二止挡部之间，并可沿着连接件往复运动。Further, one end of the connecting member is fixedly connected to the piston, a second stopper is provided on an end of the connecting member remote from the piston, and the sliding member is disposed between the piston and the second stopper and can be connected along the connection. Pieces reciprocating.

本发明第二目的在于提出了一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，所述减震器包括套筒和一端***所述套筒的活塞，所述套筒内设置滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述活塞相对套筒移动过程中第一摩擦件单独产生摩擦力或活塞联动滑动件相对套筒移动过程中第一摩擦件与第二摩擦件同时产生摩擦力以吸收传递至套筒或滑动件的震动。A second object of the present invention is to provide a washing machine including a casing, an outer tub, and a shock absorber connected to the casing at one end and connected to the outer tub at one end. The shock absorber includes a sleeve and a piston inserted into the sleeve at one end. A sliding member is disposed in the sleeve, a first friction member is disposed between the sleeve and the piston, a second friction member is disposed between the sleeve and the sliding member, and the piston is firstly moved during the movement of the piston relative to the sleeve. During the movement of the friction member alone or the movement of the piston-linked slide relative to the sleeve, the first friction member and the second friction member simultaneously generate friction to absorb the vibration transmitted to the sleeve or the slide.

本发明第三目的在于提出了一种洗衣机减震器，包括套筒和一端***所述套筒的活塞，所述套筒内设置有滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述套筒内还设置弹性支撑部，活塞相对套筒移动过程中弹性支撑部与第一摩擦件和/或第二摩擦件协同配合吸收传递至套筒或滑动件的震动。A third object of the present invention is to provide a shock absorber for a washing machine, which includes a sleeve and a piston inserted into the sleeve at one end, a slide is provided in the sleeve, and a first friction is provided between the sleeve and the piston. A second friction member is provided between the sleeve and the sliding member, and an elastic support portion is also provided in the sleeve, and the elastic support portion and the first friction member and / or the second friction member are provided during the movement of the piston relative to the sleeve. Synergistically absorbs vibrations transmitted to the sleeve or slider.

进一步的，所述滑动件与所述活塞之间有连接件，所述连接件的一端与滑动件相连，连接件的另一端与活塞***套筒的一端相连，所述连接件相对活塞和/或滑动件可移动设置，所述弹性支撑部设置于连接件上。Further, there is a connecting member between the sliding member and the piston, one end of the connecting member is connected to the sliding member, and the other end of the connecting member is connected to one end of the piston insertion sleeve, and the connecting member is opposite to the piston and / Or the sliding member is movably disposed, and the elastic supporting portion is disposed on the connecting member.

进一步的，所述连接件与活塞相连的一端设置有第一止挡部，和/或所述连接件与滑动件相连的另一端设置有第二止挡部，所述弹性支撑部设置于第一止挡部与活塞之间，和/或活塞与滑动件之间，和/或滑动件与第二止挡部之间。Further, a first stop portion is provided at one end of the connecting member connected to the piston, and / or a second stop portion is provided at the other end of the connecting member connected to the slider, and the elastic support portion is provided at the first stop. Between a stop and the piston, and / or between the piston and the slider, and / or between the slider and the second stop.

进一步的，所述活塞内有空腔，所述连接件的一端***空腔并在空腔内往复运动，所述第一止挡部位于空腔中；Further, the piston has a cavity therein, one end of the connecting member is inserted into the cavity and reciprocates in the cavity, and the first stop portion is located in the cavity;

所述连接件的另一端与滑动件固定相连，所述第一止挡部与空腔之间设置第一弹性支撑部，所述活塞与滑动件之间设置第二弹性支撑部；The other end of the connecting member is fixedly connected to the slider, a first elastic support portion is provided between the first stop portion and the cavity, and a second elastic support portion is provided between the piston and the slider;

或者，连接件的另一端与所述滑动件活动相连，所述第二止挡部位于所述滑动件远离活塞的一侧，所述活塞与滑动件之间设置第二弹性支撑部，所述滑动件与第二止挡部之间设置第三弹性支撑部。Alternatively, the other end of the connecting member is movably connected to the sliding member, the second stopper portion is located on a side of the sliding member away from the piston, and a second elastic supporting portion is provided between the piston and the sliding member. A third elastic support portion is provided between the slider and the second stop portion.

进一步的，所述连接件的一端与活塞固定相连，连接件的另一端与所述滑动件活动相连，所述第二止挡部位于所述滑动件远离活塞的一侧，所述活塞与滑动件之间设置第二弹性支撑部，所述滑动件与第二止挡部之间设置第三弹性支撑部。Further, one end of the connecting member is fixedly connected to the piston, and the other end of the connecting member is movably connected to the sliding member. The second stopper portion is located on a side of the sliding member away from the piston, and the piston is connected to the sliding member. A second elastic support portion is provided between the pieces, and a third elastic support portion is provided between the slider and the second stop portion.

进一步的，所述活塞相对于套筒内壁可移动设置，所述第一摩擦件设置于套筒内壁和/或活塞外壁上，活塞相对套筒移动过程中通过弹性支撑部与第一摩擦件配合吸收传递至套筒的震动。Further, the piston is movably disposed relative to the inner wall of the sleeve, the first friction member is disposed on the inner wall of the sleeve and / or the outer wall of the piston, and the piston cooperates with the first friction member through an elastic support portion during the movement of the piston relative to the sleeve. Absorb vibration transmitted to the sleeve.

进一步的，所述滑动件相对于套筒内壁可移动设置，所述第二摩擦件设置于滑动件外壁/套筒内壁，滑动件相对套筒移动过程中通过弹性支撑部与第一摩擦件和第二摩擦件配合吸收传递至滑动件的震动。Further, the sliding member is movably disposed relative to the inner wall of the sleeve, and the second friction member is disposed on the outer wall of the sliding member / inner wall of the sleeve. During the movement of the sliding member relative to the sleeve, the elastic friction portion and the first friction member and The second friction member cooperates to absorb the vibration transmitted to the slider.

本发明第四目的在于提出了一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，包括套筒和一端***所述套筒的活塞，所述套筒内设置有滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述套筒内还设置弹性支撑部，活塞相对套筒移动过程中弹性支撑部与第一摩擦件和第二摩擦件协同配合吸收传递至套筒或滑动件的震动。A fourth object of the present invention is to provide a washing machine including a casing, an outer tub, and a shock absorber connected to the casing at one end and to the outer tub at one end, including a sleeve and a piston inserted into the sleeve at one end, and the sleeve A sliding member is provided therein, a first friction member is provided between the sleeve and the piston, a second friction member is provided between the sleeve and the sliding member, and an elastic support portion is also provided in the sleeve, and the piston is opposite to the sleeve. During the movement, the elastic supporting part cooperates with the first friction member and the second friction member to absorb the vibration transmitted to the sleeve or the sliding member.

本发明第五目的在于提出了一种洗衣机减震器，包括套筒和一端***所述套筒的活塞，所述套筒内设置滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述滑动件与套筒之间还设置有弹性支撑部，活塞相对套筒移动过程中弹性支撑部与第一摩擦件和/或第二摩擦件协同配合吸收传递至套筒或滑动件的震动。A fifth object of the present invention is to provide a shock absorber for a washing machine, which includes a sleeve and a piston inserted into the sleeve at one end, a sliding member is disposed in the sleeve, and a first friction member is disposed between the sleeve and the piston. A second friction member is provided between the sleeve and the sliding member, and an elastic supporting portion is further provided between the sliding member and the sleeve, and the elastic supporting portion and the first friction member and / or The second friction member cooperates to absorb the vibration transmitted to the sleeve or the sliding member.

进一步的，所述滑动件靠近活塞的一侧与套筒之间设置第一弹性支撑部，和/或所述滑动件远离活塞的一侧与套筒之间设置第二弹性支撑部。Further, a first elastic support portion is provided between a side of the slider near the piston and the sleeve, and / or a second elastic support portion is provided between a side of the slider away from the piston and the sleeve.

进一步的，所述套筒供活塞***的一端设置有开口，所述开口的尺寸小于套筒的内径且开口的两端与活塞外壁接触，所述第一弹性支撑部套设于活塞上，其一端与滑动件相连，另一端与开口的两端相抵触。Further, an opening is provided at one end of the sleeve where the piston is inserted, and the size of the opening is smaller than the inner diameter of the sleeve and both ends of the opening are in contact with the outer wall of the piston. The first elastic support portion is sleeved on the piston, One end is connected to the sliding member, and the other end is in conflict with the two ends of the opening.

进一步的，所述开孔的两端沿套筒长度方向朝远离开孔的方向延伸，形成延伸部，所述第一摩擦件设置于延伸部/套筒上，活塞相对套筒移动过程中通过弹性支撑部与第一摩擦件配合吸收传递至套筒的震动。Further, both ends of the opening hole extend in a direction away from the hole along the length of the sleeve to form an extension portion. The first friction member is disposed on the extension portion / sleeve, and the piston passes during the movement of the piston relative to the sleeve. The elastic support portion cooperates with the first friction member to absorb vibration transmitted to the sleeve.

进一步的，所述延伸部上设置第一凹槽，所述第一摩擦件设置于第一凹槽中；Further, a first groove is provided on the extension portion, and the first friction member is provided in the first groove;

优选的，所述第一凹槽呈长条状沿套筒长度方向设置于延伸部上，所述第一摩擦件设置于第一凹槽中，所述第一凹槽的长度大于或等于第一摩擦件的长度；Preferably, the first groove is provided in an elongated shape on the extension along the length of the sleeve, the first friction member is disposed in the first groove, and the length of the first groove is greater than or equal to the first groove. The length of a friction member;

进一步的，所述滑动件与活塞之间还设置有第三弹性支撑部，所述第三弹性支撑部的尺寸小于第一弹性支撑部的尺寸，所述第三弹性支撑部位于第一弹性支撑部的内部。Further, a third elastic support portion is provided between the slider and the piston, and the size of the third elastic support portion is smaller than the size of the first elastic support portion, and the third elastic support portion is located on the first elastic support. The interior of the department.

进一步的，所述滑动件与活塞之间设置有连接件，所述连接件一端与滑动件相连，另一端与活塞***套筒的一端相连，所述连接件相对活塞和/或滑动件可移动设置，所述第三弹性支撑部设置于连接件上；Further, a connecting member is provided between the sliding member and the piston, one end of the connecting member is connected to the sliding member and the other end is connected to one end of the piston insertion sleeve, and the connecting member is movable relative to the piston and / or the sliding member Provided, the third elastic supporting portion is provided on the connecting member;

优选的，所述连接件的一端与活塞固定相连，另一端设置有止挡部，所述滑动件设置于活塞与止挡部之间的连接件上，第二弹性支撑部一端与止挡部相连，另一端与所述活塞的开口相对的活塞一端相连。Preferably, one end of the connecting member is fixedly connected to the piston, and the other end is provided with a stopper. The slider is provided on the connecting member between the piston and the stopper. One end of the second elastic support portion is connected to the stopper. Connected, the other end of which is connected to one end of the piston opposite to the opening of the piston.

本发明第六目的在于提出了一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，所述减震器包括套筒和一端***所述套筒的活塞，所述套筒内设置滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述滑动件与套筒之间还设置有弹性支撑部，活塞相对套筒移动过程中弹性支撑部与第一摩擦件和/或第二摩擦件协同配合吸收传递至套筒或滑动件的震动。A sixth object of the present invention is to provide a washing machine including a casing, an outer tub, and a shock absorber connected to the casing at one end and connected to the outer tub at one end. The shock absorber includes a sleeve and a piston inserted into the sleeve at one end. A sliding member is provided in the sleeve, a first friction member is provided between the sleeve and the piston, a second friction member is provided between the sleeve and the sliding member, and a sliding member and a sleeve are further provided. There is an elastic support part. During the movement of the piston relative to the sleeve, the elastic support part cooperates with the first friction member and / or the second friction member to absorb the vibration transmitted to the sleeve or the sliding member.

采用上述技术方案后，本发明与现有技术相比具有以下有益效果：After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

1、通过在套筒与活塞之间设置第一摩擦件，以及在滑动件与套筒之间设置第二摩擦件，则在较小振幅情况下，仅通过第一摩擦件产生的摩擦力即可吸收震动，而在较大振幅情况下，通过第一摩擦件和第二摩擦件同时产生的摩擦力来吸收震动，从而实现对不同大小的震动均能起到减震的效果；1. By providing a first friction member between the sleeve and the piston, and a second friction member between the sliding member and the sleeve, in the case of a small amplitude, the friction force generated only by the first friction member is Vibration can be absorbed, and in the case of large amplitude, the vibration is absorbed by the friction force generated by the first friction member and the second friction member at the same time, thereby achieving the effect of damping the vibration of different sizes;

2、通过将第一摩擦件和第二摩擦上设置在第一凹槽和第二凹槽中，从而避免因摩擦件具有一定厚度导致活塞与套筒之间，以及滑动件与套筒之间存在空隙，从而导致在较大震动情况下活塞与套筒以及滑动件与套筒之间出现碰撞的情况。2. The first friction member and the second friction are provided in the first groove and the second groove, thereby avoiding the friction between the piston and the sleeve and the sliding member and the sleeve due to the friction member having a certain thickness. There is a gap, which causes a collision between the piston and the sleeve and the sliding member and the sleeve under a large vibration.

3、第一凹槽的尺寸大于第一摩擦件的长度，和/或第二凹槽的尺寸大于第二摩擦件的长度，则在更细微的洗衣机震动幅度变化时均能有很好的减震效果。3. The size of the first groove is larger than the length of the first friction member, and / or the size of the second groove is larger than the length of the second friction member, which can reduce the vibration amplitude of the washing machine even more subtlely. Earthquake effect.

4、将滑动件与活塞之间设置连接件，且连接件与滑动件和/或活塞之间可移动设置，则当洗衣机在较小振幅时，滑动件相对套筒静止，仅活塞相对套筒移动，此时第一摩擦件产生摩擦力吸收震动，当较大振幅时，活塞移动到活塞处，推动活塞相对套筒移动以及当活塞运动到最大行程后通过连接件拉动滑动件相对套筒移动，此时活塞与滑动件联动，第一摩擦件与第二摩擦件同时产生摩擦力以吸收震动。4. Set a connection between the slider and the piston, and move between the connection and the slider and / or the piston. When the washing machine is at a small amplitude, the slider is stationary relative to the sleeve, and only the piston is relative to the sleeve. At this time, the first friction member generates friction to absorb the vibration. When the amplitude is large, the piston moves to the piston to push the piston to move relative to the sleeve and when the piston moves to the maximum stroke, the slider is moved relative to the sleeve through the connecting member. At this time, the piston is linked with the sliding member, and the first friction member and the second friction member simultaneously generate friction to absorb vibration.

5、在第一止挡部与活塞之间设置第一弹性支撑部，可以防止柱塞拉成过长，降低活塞向上的冲击振幅，同时也可减小活塞与第一止挡部之间的碰撞噪音；5. A first elastic support portion is provided between the first stopper and the piston, which can prevent the plunger from being pulled too long, reducing the upward impact amplitude of the piston, and also reducing the distance between the piston and the first stopper. Collision noise

6、在活塞与滑动件之间设置第二弹性支撑部，可以减小滑动件与活塞之间的碰撞噪音；6. A second elastic support portion is provided between the piston and the slider, which can reduce the collision noise between the slider and the piston;

7、在活塞与第二止挡部之间设置第三弹性支撑部，可以防止活塞行程过长，降低向下冲击振幅，同时减小活塞与第二止挡部之间的碰撞噪音；7. A third elastic support portion is provided between the piston and the second stop portion, which can prevent the piston stroke from being too long, reduce the downward impact amplitude, and reduce the collision noise between the piston and the second stop portion;

8、将弹性支撑部设置在连接件上，防止洗衣机震动过程中弹性支撑部变形扭曲；8. Set the elastic support part on the connecting piece to prevent the elastic support part from being deformed and twisted during the vibration of the washing machine;

下面结合附图对本发明的具体实施方式作进一步详细的描述。The specific embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：The drawings are used as a part of the present invention to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the drawings in the following description are just some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without paying creative work. In the drawings:

图1为现有的减震器剖视图；Figure 1 is a sectional view of a conventional shock absorber;

图2-图4为本发明实施例1的减震器实施例的剖视图；2 to 4 are sectional views of an embodiment of a shock absorber according to Embodiment 1 of the present invention;

图5-图8为本发明实施例2的减震器实施例的剖视图；5 to 8 are sectional views of an embodiment of a shock absorber according to Embodiment 2 of the present invention;

图9为本发明实施例3的减震器实施例的剖视图；9 is a cross-sectional view of a shock absorber embodiment according to Embodiment 3 of the present invention;

其中：100为气缸固定端，200为柱塞固定端，300为气缸，400为柱塞，500为摩擦片，Among them: 100 is the fixed end of the cylinder, 200 is the fixed end of the plunger, 300 is the cylinder, 400 is the plunger, and 500 is the friction plate.

1为第一固定端，2为第二固定端，3为活塞，4为套筒，5为第一摩擦件，6为第二摩擦件，7为第一凹槽，8为第二凹槽，9为连接件，10为第一止挡部，11为第二止挡部；12为挡块；13为空腔、14为螺纹、15为滑动件、16为第一弹性支撑部、17为第二弹性支撑部、18为第三弹性支撑部、19为延伸部、20为止挡部。1 is the first fixed end, 2 is the second fixed end, 3 is the piston, 4 is the sleeve, 5 is the first friction member, 6 is the second friction member, 7 is the first groove, and 8 is the second groove , 9 is a connecting member, 10 is a first stop, 11 is a second stop; 12 is a stop; 13 is a cavity, 14 is a thread, 15 is a slider, 16 is a first elastic support, 17 Is a second elastic support portion, 18 is a third elastic support portion, 19 is an extension portion, and a stop portion is 20.

需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。It should be noted that these drawings and text descriptions are not intended to limit the scope of the concept of the present invention in any way, but rather to explain the concept of the present invention to those skilled in the art by referring to specific embodiments.

具体实施方式detailed description

为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. The following embodiments are used to explain the present invention. , But not intended to limit the scope of the invention.

在本发明的描述中，需要说明的是，术语“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "inside" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. Rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as limiting the invention.

在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“接触”、“连通”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that the terms "installation", "connected", "connected", "contact", and "connected" should be understood in a broad sense unless otherwise specified and limited, for example, it may be The fixed connection can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

首先，本发明的洗衣机减震器适用于振动次数或震动频率改变的洗衣机装置，同时本发明的洗衣机减震器同样适用于波轮洗衣机和滚筒洗衣机，为了便于说明，仅仅举例滚筒洗衣机进行本发明的具体实施例说明。First of all, the shock absorber of the washing machine of the present invention is suitable for a washing machine device with a change in the number of vibrations or the vibration frequency. At the same time, the shock absorber of the washing machine of the present invention is also applicable to a pulsator washing machine and a drum washing machine. Specific embodiment description.

实施例1Example 1

如图2-4所示的一种洗衣机减震器，包括套筒4，所述套筒4的一端为第一固定端1，套筒4的另一端设置有开口，所述活塞3的一端通过开口***套筒4中，并能在套筒4内部往复移动，所述活塞3的另一端为第二固定端2。所述第一固定端1固定在滚筒洗衣机外筒上，所述第二固定端2固定在滚筒洗衣机外壳上，反之亦可。所述套筒4内设置滑动件15，所述套筒4与活塞3之间设置第一摩擦件5，套筒4与滑动件15之间设置第二摩擦件6，活塞3相对套筒4移动过程中第一摩擦件5与第二摩擦件6其一或者同时产生摩擦力吸收传递至套筒4或滑动件15的震动。所述的第一摩擦件5与第二摩擦件6之间可以具有相同或者不同的结构，和/或相同或不同的摩擦系数。活塞3与滑动件15联动为任意可以使得二者同时运动的设置，如设置连杆、弹簧或通过磁极吸附等方式。A shock absorber for a washing machine shown in FIG. 2-4 includes a sleeve 4, one end of the sleeve 4 is a first fixed end 1, an opening is provided at the other end of the sleeve 4, and one end of the piston 3 The sleeve 4 is inserted into the sleeve 4 through the opening and can reciprocate inside the sleeve 4. The other end of the piston 3 is the second fixed end 2. The first fixed end 1 is fixed on the outer drum of the drum washing machine, and the second fixed end 2 is fixed on the outer shell of the drum washing machine, and vice versa. A sliding member 15 is disposed in the sleeve 4, a first friction member 5 is disposed between the sleeve 4 and the piston 3, a second friction member 6 is disposed between the sleeve 4 and the sliding member 15, and the piston 3 is opposite to the sleeve 4. During the movement, one or both of the first friction member 5 and the second friction member 6 generate friction force to absorb the vibration transmitted to the sleeve 4 or the slider 15. The first friction member 5 and the second friction member 6 may have the same or different structures and / or the same or different friction coefficients. The linkage between the piston 3 and the sliding member 15 is any setting that can make the two move at the same time, such as setting a connecting rod, a spring, or attracting by a magnetic pole.

进一步的，所述套筒4为圆柱形，所述活塞3为杆状，这样防止活塞3因洗衣机传递的震动在圆周方向上以规定角度旋转而损坏减震器。Further, the sleeve 4 is cylindrical, and the piston 3 is rod-shaped, so as to prevent the piston 3 from rotating in a circumferential direction at a predetermined angle due to vibration transmitted by the washing machine, thereby damaging the shock absorber.

进一步的，所述活塞3相对于套筒4内壁可移动设置，此时活塞3的外壁与套筒4的内壁相接触，所述第一摩擦件5设置于套筒4内壁上，活塞3相对套筒4移动过程中通过第一摩擦件5产生摩擦力吸收传递至套筒4的震动。所述的第一摩擦件5可为封闭或不封闭的圆环设置于套筒4内壁和/或活塞3外壁，也可仅为一小块区域分布于套筒4内壁和/或活塞3外壁上。Further, the piston 3 is movably disposed relative to the inner wall of the sleeve 4. At this time, the outer wall of the piston 3 is in contact with the inner wall of the sleeve 4, and the first friction member 5 is disposed on the inner wall of the sleeve 4. During the movement of the sleeve 4, the friction force generated by the first friction member 5 absorbs the vibration transmitted to the sleeve 4. The first friction member 5 may be a closed or non-closed ring provided on the inner wall of the sleeve 4 and / or the outer wall of the piston 3, or may be distributed only on a small area on the inner wall of the sleeve 4 and / or the outer wall of the piston 3. on.

进一步的，所述活塞3内壁和/或套筒4外壁上设置第一凹槽7，所述第一摩擦件5设置于第一凹槽7中；所述的第一凹槽7可为封闭或不封闭的圆环设置于套筒4内壁和/或活塞3外壁，也可仅为一小块区域分布于套筒4内壁和/或活塞3外壁上。设置第一凹槽7的目的是由于第一摩擦件5具有一定厚度，当将第一摩擦件5直接设置在活塞3外壁和/或套筒4内壁时会导致套筒4与活塞3之间产生空隙，套筒4与活塞3内壁之间不能完全贴合，在洗衣机较大震动过程中，会出现活塞3撞击套筒4的情况从而降低减震效果。Further, a first groove 7 is provided on the inner wall of the piston 3 and / or the outer wall of the sleeve 4, and the first friction member 5 is provided in the first groove 7; the first groove 7 may be closed The non-closed ring is disposed on the inner wall of the sleeve 4 and / or the outer wall of the piston 3, or may be distributed on the inner wall of the sleeve 4 and / or the outer wall of the piston 3 only for a small area. The purpose of providing the first groove 7 is because the first friction member 5 has a certain thickness. When the first friction member 5 is directly disposed on the outer wall of the piston 3 and / or the inner wall of the sleeve 4, the space between the sleeve 4 and the piston 3 will be caused. When a gap is generated, the sleeve 4 and the inner wall of the piston 3 cannot be completely fitted. In the process of large vibration of the washing machine, the situation that the piston 3 hits the sleeve 4 may reduce the damping effect.

优选的，所述第一凹槽7呈长条状沿套筒4长度方向设置于套筒4内壁上，所述第一摩擦件5呈摩擦片设置于第一凹槽7中，所述第一凹槽7的长度大于或等于第一摩擦件5的长度；Preferably, the first groove 7 is provided on the inner wall of the sleeve 4 along the length direction of the sleeve 4 in a long shape, and the first friction member 5 is provided in the first groove 7 as a friction plate. The length of a groove 7 is greater than or equal to the length of the first friction member 5;

更优选的，所述第一凹槽7的长度大于第一摩擦件5的长度，所述第一摩擦件5可移动设置于第一凹槽7中，当洗衣机处于高频转速情况时，洗衣机震动较小，第一摩擦件5在第一凹槽7中活动，但不产生摩擦力，当洗衣机处于低频转速情况时，洗衣机震动较大，当第一摩擦件5运动到第一凹槽7两端并与第二凹槽8两端相抵触时，此时第一摩擦件5产生了摩擦力，此种设置能适应更细微的震动变化。More preferably, the length of the first groove 7 is greater than the length of the first friction member 5, and the first friction member 5 is movably disposed in the first groove 7. When the washing machine is at a high frequency rotation speed, the washing machine The vibration is small. The first friction member 5 moves in the first groove 7 but does not generate friction. When the washing machine is at a low frequency, the washing machine has a large vibration. When the first friction member 5 moves to the first groove 7 When the two ends are in conflict with the two ends of the second groove 8, the friction force is generated by the first friction member 5 at this time, and this arrangement can adapt to more subtle vibration changes.

更优选的，所述第一凹槽7设置于所述套筒4的***端的内壁上，所述第一摩擦件5通过第一凹槽7设置于套筒4的***端；More preferably, the first groove 7 is provided on an inner wall of the insertion end of the sleeve 4, and the first friction member 5 is provided at the insertion end of the sleeve 4 through the first groove 7;

和/或，所述第一凹槽7设置于所述活塞3***套筒4的一端的外壁上，所述第二摩擦件6通过第一凹槽7设置于所述活塞3***套筒4的一端。And / or, the first groove 7 is provided on an outer wall of one end of the piston 3 inserted into the sleeve 4, and the second friction member 6 is provided through the first groove 7 on the piston 3 inserted into the sleeve 4 The end.

进一步的，所述滑动件15相对于套筒4内壁可移动设置，所述第二摩擦件6设置于滑动件15外壁/套筒4内壁，活塞3联动滑动件15相对套筒4移动过程中第一摩擦件5与第二摩擦件6同时产生摩擦力吸收传递至滑动件15的震动。所述的第二摩擦件6可为封闭或不封闭的圆环设置于套筒4内壁/滑动件15外壁，也可仅为一小块区域分布于套筒4内壁/滑动件15外壁上。Further, the sliding member 15 is movably disposed relative to the inner wall of the sleeve 4, the second friction member 6 is disposed on the outer wall of the sliding member 15 / the inner wall of the sleeve 4, and the piston 3 is associated with the sliding member 15 in the process of moving relative to the sleeve 4. The first friction member 5 and the second friction member 6 simultaneously generate frictional forces to absorb vibrations transmitted to the slider 15. The second friction member 6 may be a closed or non-closed ring provided on the inner wall of the sleeve 4 / the outer wall of the sliding member 15, or may be distributed on a small area on the inner wall of the sleeve 4 / the outer wall of the sliding member 15.

进一步的，所述滑动件15外壁上设置第二凹槽8，所述第二摩擦件6设置于第二凹槽8中；所述的第二凹槽8可为封闭或不封闭的圆环设置于套筒4内壁/滑动件15外壁，也可仅为一小块区域分布于套筒4内壁/滑动件15外壁上。设置第二凹槽8的目的是由于第二摩擦件6具有一定厚度，当将第二摩擦件6直接设置在滑动件15外壁/套筒4内壁时会导致套筒4与滑动件15之间产生空隙，套筒4与活塞3内壁之间不能完全贴合，在洗衣机较大震动过程中，会出现滑动件15撞击套筒4的情况从而降低减震效果。Further, a second groove 8 is provided on the outer wall of the sliding member 15, and the second friction member 6 is provided in the second groove 8. The second groove 8 may be a closed or unclosed ring. It is arranged on the inner wall of the sleeve 4 / the outer wall of the sliding member 15, or it can be distributed on the inner wall of the sleeve 4 / the outer wall of the sliding member 15 only for a small area. The purpose of providing the second groove 8 is because the second friction member 6 has a certain thickness. When the second friction member 6 is directly disposed on the outer wall of the sliding member 15 / the inner wall of the sleeve 4, it will cause the space between the sleeve 4 and the sliding member 15. A gap is generated, and the sleeve 4 and the inner wall of the piston 3 cannot be completely fitted. During the large vibration of the washing machine, the sliding member 15 may hit the sleeve 4 to reduce the shock absorption effect.

优选的，所述第二凹槽8呈长条状沿套筒4长度方向设置于滑动件15外壁上，所述第二摩擦件6呈摩擦片设置于第二凹槽8中，所述第二凹槽8的长度大于或等于第二摩擦件6长度；Preferably, the second groove 8 is arranged on the outer wall of the sliding member 15 along the length direction of the sleeve 4 in a long shape, and the second friction member 6 is arranged in the second groove 8 as a friction plate. The length of the two grooves 8 is greater than or equal to the length of the second friction member 6;

更优选的，所述第二凹槽8的长度大于第二摩擦件6长度，所述第二摩擦件6可移动设置于第二凹槽8中。当洗衣机处于高频转速情况时，洗衣机震动较小，滑动件15相对套筒4静止，此时第二摩擦件6不起作用，当洗衣机处于次高频转速情况时，第二摩擦件6在第二凹槽8中活动，但不产生摩擦力，当洗衣机处于低频转速情况时，洗衣机震动较大，当第二摩擦件6运动到第二凹槽8两端并与第二凹槽8两端相抵触时，此时第二摩擦件6产生了摩擦力，此种设置能适应更细微的震动变化。More preferably, the length of the second groove 8 is greater than the length of the second friction member 6, and the second friction member 6 is movably disposed in the second groove 8. When the washing machine is at a high frequency, the vibration of the washing machine is small, and the sliding member 15 is stationary relative to the sleeve 4. At this time, the second friction member 6 does not work. When the washing machine is at a high frequency, the second friction member 6 is at The second groove 8 moves, but does not generate friction. When the washing machine is at a low frequency, the washing machine has a large vibration. When the second friction member 6 moves to the two ends of the second groove 8 and the second groove 8 When the ends are in conflict, the second friction member 6 generates a friction force at this time, and this setting can adapt to more subtle vibration changes.

另外，除本实施例外，第一摩擦件5、第一凹槽7以及第二摩擦件6、第二凹槽8的设置形式还可为，第一凹槽7的长度等于第一摩擦件5的长度，以及第二凹槽8的长度大于第二摩擦件6的长度；或者，第一凹槽7的长度大于第一摩擦件5的长度，以及第二凹槽8的长度等于第二摩擦件6的长度，这两种设置方式均可达到本发明的目的，本实施例不再详细说明。In addition, except for this embodiment, the first friction member 5, the first groove 7, and the second friction member 6, the second groove 8 may be arranged in a form that the length of the first groove 7 is equal to the first friction member 5. The length of the second groove 8 is greater than the length of the second friction member 6; or, the length of the first groove 7 is greater than the length of the first friction member 5, and the length of the second groove 8 is equal to the second friction The length of the element 6 can achieve the purpose of the present invention in these two ways of setting, which will not be described in detail in this embodiment.

进一步的，所述滑动件15与所述活塞3之间有连接件9，所述连接件9的一端与所述滑动件15相连，连接件9的另一端与所述活塞3***套筒4的一端相连，所述连接件9相对活塞3和/或滑动件15可移动设置。连接件9相对活塞3和/或滑动件15可移动设置，则使得在较小震动时滑动件15与套筒4为相对静止的状态，第二摩擦件6不起作用，当处于较大震动状态时，活塞3运动到滑动件15的位置并推动滑动件15移动或通过连接件9带动滑动件15移动，此时第一摩擦件5和第二摩擦件6同时产生摩擦力，同时连接件9与活塞3之间，和/或连接件9与滑块之间也会产生阻尼力并提高减震效果。Further, there is a connecting member 9 between the sliding member 15 and the piston 3, one end of the connecting member 9 is connected to the sliding member 15, and the other end of the connecting member 9 is inserted into the sleeve 4 with the piston 3. One end is connected, and the connecting member 9 is movably disposed relative to the piston 3 and / or the sliding member 15. The connecting member 9 is movably disposed relative to the piston 3 and / or the sliding member 15, so that the sliding member 15 and the sleeve 4 are relatively stationary when the vibration is small, and the second friction member 6 does not work. In the state, the piston 3 moves to the position of the sliding member 15 and pushes the sliding member 15 to move or drives the sliding member 15 through the connecting member 9. At this time, the first friction member 5 and the second friction member 6 generate friction force at the same time, and the connecting member A damping force is also generated between 9 and the piston 3, and / or between the connecting member 9 and the slider, and the damping effect is improved.

进一步的，所述活塞3内有空腔13，所述连接件9的一端***空腔13并可在空腔13内往复运动，所述空腔13的最小尺寸为所述连接件9能伸入活塞3内的最远位置。所述连接件9***空腔13的一端设置有第一止挡部10，从而防止连接件9从空腔13脱离，所述连接件9的另一端与滑动件15固定相连，所述的固定方式为连接件9与滑动件15一体注塑成型，或通过螺纹14配合的方式固定。Further, the piston 3 has a cavity 13 therein, and one end of the connecting member 9 is inserted into the cavity 13 and can reciprocate in the cavity 13. The minimum size of the cavity 13 is that the connecting member 9 can extend. Into the farthest position inside the piston 3. A first stopper 10 is provided at one end of the connecting member 9 inserted into the cavity 13 so as to prevent the connecting member 9 from detaching from the cavity 13. The other end of the connecting member 9 is fixedly connected to the sliding member 15. The method is that the connecting member 9 and the sliding member 15 are integrally injection-molded, or fixed by means of a screw 14.

进一步的，所述活塞3内有空腔13，所述连接件9的一端***空腔13并可在空腔13内往复运动，所述连接件9***空腔13的一端设置第一止挡部10，从而防止连接件9从空腔13脱离，所述连接件9远离空腔13的一端设置第二止挡部11，所述滑动件15设置于活塞3与第二止挡部11之间，从而防止连接件9从滑动件15脱离，所述滑动件15可沿着连接件9往复运动。Further, the piston 3 has a cavity 13 therein, one end of the connecting member 9 is inserted into the cavity 13 and can reciprocate in the cavity 13, and one end of the connecting member 9 inserted into the cavity 13 is provided with a first stop. Part 10 to prevent the connecting member 9 from detaching from the cavity 13, a second stopper 11 is provided at an end of the connecting member 9 away from the cavity 13, and the sliding member 15 is provided between the piston 3 and the second stopper 11 In order to prevent the connecting member 9 from being separated from the sliding member 15, the sliding member 15 can reciprocate along the connecting member 9.

进一步的，在所述空腔13的***端设置有挡块12，所述挡块12可与活塞3一体成型，也可以为可拆卸设置，优选挡块12与活塞3之间可拆卸设置，这样便于制作和生产，所述挡块12优选为便于安装的卡簧类似件。在所述挡块12上设置有供连接件9***的孔，所述连接件9通过所述孔与活塞3相连，且第一止挡部10设置于空腔13内并被挡块12阻挡，从而防止第一止挡部10从空腔13脱离。Further, a stopper 12 is provided at the insertion end of the cavity 13, and the stopper 12 may be integrally formed with the piston 3 or may be detachably provided. Preferably, the stopper 12 is detachably provided between the stopper 12 and the piston 3. This facilitates manufacturing and production, and the stopper 12 is preferably a snap spring-like piece that is easy to install. The stopper 12 is provided with a hole through which a connecting member 9 is inserted. The connecting member 9 is connected to the piston 3 through the hole. The first stopper 10 is disposed in the cavity 13 and blocked by the stopper 12. , Thereby preventing the first stop portion 10 from detaching from the cavity 13.

进一步的，所述连接件9的一端与活塞3固定相连，所述的固定方式为连接件9与活塞3一体注塑成型，或通过螺纹14配合的方式固定。所述连接件9远离活塞3的一端设置第二止挡部11，从而防止连接件9从滑动件15脱离，所述滑动件15设置于活塞3与第二止挡部11之间，并可沿着连接件9往复运动。Further, one end of the connecting member 9 is fixedly connected to the piston 3, and the fixing method is that the connecting member 9 is integrally injection-molded with the piston 3, or is fixed by means of a screw thread 14. A second stopper 11 is provided on an end of the connecting member 9 far from the piston 3, so as to prevent the connecting member 9 from being detached from the slider 15, which is disposed between the piston 3 and the second stopper 11, and Reciprocating along the connecting member 9.

另外，所述连杆的设置方式还可为，在所述活塞3内有空腔13，所述连接件9为连接件9，所述连接件9的一端***空腔13并可在空腔13内往复运动，所述连接件9***空腔13的一端设置有第一止挡部10，所述连接件9的另一端与滑动件15固定相连。In addition, the connecting rod may be arranged in a manner that a cavity 13 is provided in the piston 3, and the connecting member 9 is a connecting member 9, and one end of the connecting member 9 is inserted into the cavity 13 and can be in the cavity. 13 is reciprocated inside, one end of the connecting member 9 inserted into the cavity 13 is provided with a first stopper 10, and the other end of the connecting member 9 is fixedly connected to the sliding member 15.

进一步的，所述连接件9为连接件9，所述连接件9的一端与活塞3固定相连，所述的固定方式为连接件9与活塞3一体注塑成型或通过螺纹14配合的方式固定，优选为通过螺纹14配合的方式固定。所述滑动件15插设于连接件9的另一端，并可沿着连接件9往复运动，所述连接件9***滑动件15的一端设置第二止挡部11。Further, the connecting member 9 is a connecting member 9, one end of the connecting member 9 is fixedly connected to the piston 3, and the fixing method is that the connecting member 9 and the piston 3 are integrally injection-molded or fixed by screwing 14 together. It is preferably fixed by means of a screw 14. The sliding member 15 is inserted at the other end of the connecting member 9 and can reciprocate along the connecting member 9. A second stopper 11 is provided at one end of the connecting member 9 inserted into the sliding member 15.

如图2-图4所示，在所述空腔13的***端设置有挡块12，所述挡块12可与活塞3一体成型，可以为可拆卸设置，优选挡块12与活塞3之间可拆卸设置，这样便于制作和生产，所述挡块12优选为便于安装的卡簧类似件。在所述挡块12上设置有供连接件9***的孔，所述连接件9通过所述开孔与活塞3相连，且第一止挡部10设置于空腔13内并被挡块12阻挡，从而防止第一止挡部10从空腔13脱离。As shown in FIG. 2 to FIG. 4, a stopper 12 is provided at the insertion end of the cavity 13, and the stopper 12 may be integrally formed with the piston 3 and may be detachable. The stopper 12 and the piston 3 are preferably provided. It can be detachably arranged in this way, so that it is easy to manufacture and produce, and the stopper 12 is preferably a spring-like piece which is convenient for installation. The stopper 12 is provided with a hole through which a connecting member 9 is inserted. The connecting member 9 is connected to the piston 3 through the opening. The first stopper 10 is disposed in the cavity 13 and is blocked by the stopper 12. Blocking, thereby preventing the first stop portion 10 from detaching from the cavity 13.

本发明还提出了一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，所述减震器包括套筒4和一端***所述套筒4的活塞3，所述套筒4内设置滑动件15，所述套筒4与活塞3之间设置第一摩擦件5，所述套筒4与滑动件15之间设置第二摩擦件6，所述活塞3相对套筒4移动过程中第一摩擦件5单独产生摩擦力或活塞3联动滑动件15相对套筒4移动过程中第一摩擦件5与第二摩擦件6同时产生摩擦力以吸收传递至套筒4或滑动件15的震动。The invention also provides a washing machine, which includes a casing, an outer tub, and a shock absorber connected to the casing at one end and connected to the outer tub at one end. The shock absorber includes a sleeve 4 and a piston 3 inserted into the sleeve 4 at one end. A sliding member 15 is disposed in the sleeve 4, a first friction member 5 is disposed between the sleeve 4 and the piston 3, and a second friction member 6 is disposed between the sleeve 4 and the sliding member 15. The piston 3 During the movement of the sleeve 4 relative to the first friction member 5 alone generates friction or the piston 3 linkage sliding member 15 During the movement of the sleeve 4 relative to the sleeve 4 the first friction member 5 and the second friction member 6 simultaneously generate friction to absorb and transmit to Vibration of the sleeve 4 or the slider 15.

下面将针对图2-图4所示的减震器具体阐述减震原理。In the following, the damping principle shown in Figs. 2 to 4 will be explained in detail.

如图2所示：所述第一凹槽7设置于套筒4内壁上，且第一凹槽7的长度等于第一摩擦件5的长度，所述第二凹槽8设置于滑动件15外表面，且第二凹槽8的长度等于第二摩擦件6长度。当洗衣机处于较小震动状态时，此时滑动件15与套筒4之间相对静止，第二摩擦件6不起作用，活塞3在套筒4内作往复运动，此时主要依靠第一摩擦件5产生的摩擦力来吸收震动。当洗衣机处于较大震动状态时，活塞3运动至滑动件15处，并推动滑动件15沿套筒4内壁移动，当活塞3移动到最大行程后，活塞3通过连接件9拉动滑动件15朝相反方向移动，在此过程中主要依靠滑动件15与套筒4内壁之间的第二摩擦件6，以及活塞3与套筒4之间的第一摩擦件5同时产生摩擦力以吸收震动。As shown in FIG. 2, the first groove 7 is provided on the inner wall of the sleeve 4, and the length of the first groove 7 is equal to the length of the first friction member 5, and the second groove 8 is provided on the sliding member 15. The outer surface, and the length of the second groove 8 is equal to the length of the second friction member 6. When the washing machine is in a small vibration state, at this time, the sliding member 15 and the sleeve 4 are relatively stationary, the second friction member 6 does not work, and the piston 3 reciprocates in the sleeve 4. At this time, the first friction is mainly relied on The frictional force generated by the member 5 absorbs vibration. When the washing machine is in a large vibration state, the piston 3 moves to the slider 15 and pushes the slider 15 along the inner wall of the sleeve 4. When the piston 3 moves to the maximum stroke, the piston 3 pulls the slider 15 through the connecting member 9 toward Moving in the opposite direction, in this process, the second friction member 6 between the sliding member 15 and the inner wall of the sleeve 4 and the first friction member 5 between the piston 3 and the sleeve 4 simultaneously generate friction to absorb vibrations.

如图3和图4所示：所述第一凹槽7设置于套筒4内壁上，且第一凹槽7的长度大于第一摩擦件5的长度，第一摩擦件5可在第一凹槽7中往复移动，所述第二凹槽8设置于滑动件15外表面，且第二凹槽8的长度大于第二摩擦件6的长度，第二摩擦件6可在第二凹槽8中往复移动，当洗衣机处于高频转速状态下时，此时洗衣机的震动很小，滑动件15相对套筒4静止，第二摩擦件6不产生摩擦力，活塞3在套筒4内作往复运动，此时第一摩擦件5在第一凹槽7内往复运动，且第一摩擦件5与活塞3相对静止，第一摩擦件5不产生摩擦力，此时通过活塞3与套筒4之间，以及活塞3与连接件9之间和/或连接件9与滑动件15之间产生的少量阻尼力来吸收震动；当洗衣机在次高频转速状态时，活塞3在套筒4内作往复运动，此时第一摩擦件5在第一凹槽7内往复运动，且第一摩擦件5与活塞3相对静止，第一摩擦件5不产生摩擦力，此时滑动件15相对套筒4移动，第二摩擦件6在套筒4内往复运动，且第二摩擦件6与套筒4相对静止，第二摩擦件6不起作用，此时通过活塞3与套筒4、滑动件15与套筒4、活塞3与连接件9之间和/或连接件9与滑动件15之间产生的少量阻尼力来吸收震动；当洗衣机处于次低频转速时，活塞3在套筒4内往复运动，第一摩擦件5移动到第一凹槽7的两端并被第一凹槽7两端阻挡，使得第一摩擦件5相对活塞3移动，第一摩擦件5与活塞3之间产生摩擦力，此时主要通过第一摩擦件5产生的摩擦力来吸收震动；当洗衣机处于低频转速动状态时，活塞3在套筒4内往复运动，当活塞3运动到滑动件15位置处时活塞3推动滑动件15移动，当活塞3移动到最大行程后，活塞3通过连接件9拉动滑动件15朝相反方向移动，第二摩擦件6在第二凹槽8内移动并与第二凹槽8两端接触，此时第二摩擦件6相对套筒4移动，第二摩擦件6产生摩擦力，此时主要通过第一摩擦件5与第二摩擦件6产生的摩擦力来吸收高频震动。As shown in FIG. 3 and FIG. 4: The first groove 7 is provided on the inner wall of the sleeve 4, and the length of the first groove 7 is longer than the length of the first friction member 5. The second groove 8 is reciprocated in the groove 7. The second groove 8 is disposed on the outer surface of the sliding member 15. The length of the second groove 8 is longer than the length of the second friction member 6. 8 is reciprocating. When the washing machine is in a high-frequency rotation state, the vibration of the washing machine is small at this time, the sliding member 15 is stationary relative to the sleeve 4, the second friction member 6 does not generate friction, and the piston 3 acts in the sleeve 4. Reciprocation, at this time the first friction member 5 reciprocates in the first groove 7, and the first friction member 5 and the piston 3 are relatively stationary, and the first friction member 5 does not generate a friction force. At this time, the piston 3 and the sleeve pass through A small amount of damping force generated between the piston 3 and the connecting member 9 and / or between the connecting member 9 and the sliding member 15 to absorb vibrations; when the washing machine is in a sub-high-frequency rotation state, the piston 3 is in the sleeve 4 The first friction member 5 reciprocates in the first groove 7 at this time, and the first friction member 5 and the piston 3 are relatively stationary. A friction member 5 does not generate a friction force. At this time, the sliding member 15 moves relative to the sleeve 4, the second friction member 6 reciprocates within the sleeve 4, and the second friction member 6 and the sleeve 4 are relatively stationary. The second friction member 6 does not work, at this time it is absorbed by a small amount of damping force generated between the piston 3 and the sleeve 4, the sliding member 15 and the sleeve 4, the piston 3 and the connecting member 9, and / or between the connecting member 9 and the sliding member 15. Vibration; when the washing machine is at a low frequency, the piston 3 reciprocates in the sleeve 4 and the first friction member 5 moves to both ends of the first groove 7 and is blocked by both ends of the first groove 7 so that the first friction The piece 5 moves relative to the piston 3, and a friction force is generated between the first friction piece 5 and the piston 3. At this time, the vibration is mainly absorbed by the friction force generated by the first friction piece 5. When the washing machine is in a low-frequency rotating state, the piston 3 is in The sleeve 4 reciprocates. When the piston 3 moves to the position of the slider 15, the piston 3 pushes the slider 15 to move. When the piston 3 reaches the maximum stroke, the piston 3 pulls the slider 15 through the connecting member 9 to move in the opposite direction. The second friction member 6 moves in the second groove 8 and contacts both ends of the second groove 8 At this time, the second friction member 6 moves relative to the sleeve 4, and the second friction member 6 generates a friction force. At this time, the high-frequency vibration is mainly absorbed by the friction force generated by the first friction member 5 and the second friction member 6.

实施例2Example 2

如图5-8所示的一种洗衣机减震器，包括活塞4，所述活塞4的一端为第一固定端1，活塞4的另一端设置有开口，所述活塞3的一端通过开口***活塞4中，并能在活塞4内部往复移动，所述活塞3的另一端为第一固定端2。所述第一固定端1固定在滚筒洗衣机外筒上，所述第一固定端2固定在滚筒洗衣机外壳上，反之亦可。所述活塞4内设置有滑动件15，所述活塞4与活塞3之间设置第一摩擦件5，所述活塞4与滑动件15之间设置第二摩擦件6，所述活塞4内还设置弹性支撑部，活塞3相对活塞4移动过程中弹性支撑部与第一摩擦件5和/或第二摩擦件6协同配合吸收传递至活塞4或滑动件15的震动。所述的第一摩擦件5与第二摩擦件6之间可以具有相同或者不同的结构，和/或相同或不同的摩擦系数。活塞3与滑动件15联动为任意可以使得二者同时运动的设置，如设置连杆、弹簧或通过磁极吸附等方式。所述弹性支撑部可设置在活塞4的任意位置。A shock absorber for a washing machine shown in FIG. 5-8 includes a piston 4, one end of the piston 4 is a first fixed end 1, the other end of the piston 4 is provided with an opening, and one end of the piston 3 is inserted through the opening. The piston 4 is capable of reciprocating inside the piston 4, and the other end of the piston 3 is a first fixed end 2. The first fixed end 1 is fixed on the outer drum of the drum washing machine, and the first fixed end 2 is fixed on the outer shell of the drum washing machine, and vice versa. A sliding member 15 is disposed in the piston 4, a first friction member 5 is disposed between the piston 4 and the piston 3, and a second friction member 6 is disposed between the piston 4 and the sliding member 15. An elastic support portion is provided. During the movement of the piston 3 relative to the piston 4, the elastic support portion cooperates with the first friction member 5 and / or the second friction member 6 to absorb the vibration transmitted to the piston 4 or the slider 15. The first friction member 5 and the second friction member 6 may have the same or different structures and / or the same or different friction coefficients. The linkage between the piston 3 and the sliding member 15 is any setting that can make the two move at the same time, such as setting a connecting rod, a spring, or attracting by a magnetic pole. The elastic support portion may be provided at any position of the piston 4.

进一步的，所述活塞4为圆柱形，所述活塞3为杆状，这样防止活塞3因洗衣机传递的震动在圆周方向上以规定角度旋转而损坏减震器。Further, the piston 4 is cylindrical and the piston 3 is rod-shaped, so that the shock absorber is prevented from being damaged by the piston 3 rotating at a predetermined angle in the circumferential direction due to vibration transmitted by the washing machine.

进一步的，所述滑动件15与所述活塞3之间有连接件9，所述连接件9的一端与滑动件15相连，连接件9的另一端与活塞3***活塞4的一端相连，所述连接件9相对活塞3和/或滑动件15可移动设置，所述弹性支撑部设置于连接件9上，当弹性支撑部被压缩时，弹性支撑部对活塞3和/或滑动件15会有一个弹性支撑的作用，当弹性支撑部被拉伸时，弹性支撑部对活塞3和/或滑动件15会有一个拉力，从而减小了活塞3和/或滑动件15向上和向下的冲击振幅，同时也减小了活塞3与滑动件15，和/或活塞3与连接件9，和/或滑动件15与连接件9之间因碰撞产生的噪音。连接件9相对活塞3和/或滑动件15可移动设置，使得洗衣机在最小震动时，滑动件15与活塞4处于相对静止的状态，第二摩擦件6不起作用，此时依靠第一摩擦件5产生的摩擦力和/或弹性支撑部的弹性支撑力吸收震动；当洗衣机处于较大震动状态时，活塞3推动滑动件15相对活塞4移动,当活塞3运动至最大行程时通过连接件9带动滑动件15朝相反的方向移动，此时通过第一摩擦件5和第二摩擦件6同时产生摩擦力以及弹性支撑部的弹性支承力和/或拉力来吸收震动。同时将弹性支撑部设置在连接件9上也防止在较大振幅状态时弹性支撑部出现扭曲形变从而降低减震效果。Further, there is a connecting member 9 between the sliding member 15 and the piston 3, one end of the connecting member 9 is connected to the sliding member 15, and the other end of the connecting member 9 is connected to an end of the piston 3 inserted into the piston 4. The connecting member 9 is movably disposed with respect to the piston 3 and / or the sliding member 15, and the elastic supporting portion is disposed on the connecting member 9. When the elastic supporting portion is compressed, the elastic supporting portion will be opposite to the piston 3 and / or the sliding member 15. It has a role of elastic support. When the elastic support portion is stretched, the elastic support portion will have a pulling force on the piston 3 and / or the sliding member 15, thereby reducing the upward and downward movement of the piston 3 and / or the sliding member 15. The impact amplitude also reduces the noise generated by the collision between the piston 3 and the sliding member 15 and / or the piston 3 and the connecting member 9 and / or the sliding member 15 and the connecting member 9. The connecting member 9 is movably disposed relative to the piston 3 and / or the sliding member 15 so that when the washing machine is at a minimum vibration, the sliding member 15 and the piston 4 are in a relatively stationary state, and the second friction member 6 does not work. At this time, relying on the first friction The frictional force generated by the member 5 and / or the elastic supporting force of the elastic supporting portion absorbs vibration; when the washing machine is in a large vibration state, the piston 3 pushes the sliding member 15 to move relative to the piston 4, and when the piston 3 moves to the maximum stroke, it passes the connecting member 9 drives the sliding member 15 to move in the opposite direction, and at this time, the first friction member 5 and the second friction member 6 simultaneously generate frictional force and elastic supporting force and / or tensile force of the elastic supporting portion to absorb vibration. At the same time, the elastic support portion is provided on the connecting member 9 to prevent the elastic support portion from being distorted and deformed in a large amplitude state, thereby reducing the shock absorption effect.

如图5-图8所示，所述连接件9为连接件9呈杆状，所述连接件9与活塞3相连的一端设置有第一止挡部10，和/或所述连接件9与滑动件15相连的另一端设置有第二止挡部11，所述弹性支撑部设置于第一止挡部10与活塞3之间，和/或活塞3与滑动件15之间，和/或滑动件15与第二止挡部11之间。设置第一止挡部10防止连接件9从活塞3脱离，设置第二止挡部11防止连接件9从滑动件15脱离。As shown in FIG. 5 to FIG. 8, the connecting member 9 is a rod-shaped connecting member 9, and a first stopper 10 is provided at an end of the connecting member 9 connected to the piston 3 and / or the connecting member 9. The other end connected to the slider 15 is provided with a second stopper 11, and the elastic support portion is provided between the first stopper 10 and the piston 3, and / or between the piston 3 and the slider 15, and / Or between the sliding member 15 and the second stopping portion 11. The first stopper 10 is provided to prevent the connecting member 9 from being detached from the piston 3, and the second stopper 11 is provided to prevent the connecting member 9 from being detached from the slider 15.

如图6所示，所述活塞3内有空腔13，所述连接件9的一端***空腔13并在空腔13内往复运动，所述第一止挡部10位于空腔13中，所述空腔13的最小尺寸为所述连接件9能伸入活塞3内的最远位置。所述连接件9的另一端与滑动件15固定相连，所述的固定连接为连接件9与滑动件15一体注塑成型或采用螺纹14配合的方式固定。所述第一止挡部10与空腔13之间设置第一弹性支撑部16，所述活塞3与滑动件15之间设置第二弹性支撑部17；当活塞3朝伸出活塞4方向移动时，第一弹性支承部被逐渐压缩，第二弹性支撑部17被逐渐拉伸，此时第一弹性支撑部16对活塞3起到了与运动方向相反的弹性支撑力，第二弹性支撑部17则对活塞3起到了与运动方向相反的拉力，从而防止活塞3拉伸过长，降低了向上的冲击的振幅。当活塞3朝伸入活塞4的方向移动时，第一弹性支撑部16被逐渐拉伸，第二弹性支撑部17被逐渐压缩，第一弹性支撑部16对活塞3起到了与运动方向相反的拉力，第二弹性支撑部17则对活塞3起到了与运动方向相反的弹性支撑力，从而防止活塞3与连接件9上的第一止挡部10以及和滑动杆之间冲击力过大，降低了活塞3与连接件9和滑动件15之间撞击的噪音。优选的，所述第一弹性支撑部16与第二弹性支撑部17之间具有相同或不同的结构，和/或相同或不同的弹性系数。As shown in FIG. 6, the piston 3 has a cavity 13 therein. One end of the connecting member 9 is inserted into the cavity 13 and reciprocates in the cavity 13. The first stopper 10 is located in the cavity 13. The minimum dimension of the cavity 13 is the farthest position where the connecting member 9 can extend into the piston 3. The other end of the connecting member 9 is fixedly connected to the sliding member 15. The fixed connection is that the connecting member 9 and the sliding member 15 are integrally injection-molded or fixed by using a screw 14. A first elastic support portion 16 is provided between the first stopper portion 10 and the cavity 13, and a second elastic support portion 17 is provided between the piston 3 and the slider 15; when the piston 3 moves in a direction extending out of the piston 4 At this time, the first elastic supporting portion is gradually compressed, and the second elastic supporting portion 17 is gradually stretched. At this time, the first elastic supporting portion 16 exerts an elastic supporting force on the piston 3 opposite to the movement direction, and the second elastic supporting portion 17 Then, a pulling force is exerted on the piston 3 in a direction opposite to the movement direction, thereby preventing the piston 3 from being stretched too long, and reducing the amplitude of the upward impact. When the piston 3 moves in a direction extending into the piston 4, the first elastic supporting portion 16 is gradually stretched, and the second elastic supporting portion 17 is gradually compressed. The first elastic supporting portion 16 plays a opposite direction to the movement of the piston 3 Pulling force, the second elastic supporting portion 17 exerts an elastic supporting force against the piston 3 in a direction opposite to the movement direction, thereby preventing the impact force between the piston 3 and the first stop portion 10 on the connecting member 9 and the sliding rod from being too large. The impact noise between the piston 3 and the connecting member 9 and the sliding member 15 is reduced. Preferably, the first elastic supporting portion 16 and the second elastic supporting portion 17 have the same or different structures, and / or the same or different elastic coefficients.

如图5或图7所示，所述连接件9的另一端与滑动件15活动相连，所述第二止挡部11位于所述滑动件15远离活塞3的一侧，第二止挡部11位于所述滑动件15远离活塞3的一侧，所述活塞3与滑动件15之间设置第二弹性支撑部17，所述滑动件15与第二止挡部11之间设置第三弹性支撑部18。当活塞3朝伸出活塞4方向移动时，第二弹性支撑部17被逐渐拉伸，此时第二弹性支撑部17对活塞3起到了与运动方向相反拉力，从而防止活塞3拉伸过长，降低了向上的冲击的振幅；当活塞3朝伸入活塞4方向移动时，第二弹性支撑部17被逐渐压缩，此时第二弹性支撑部17对活塞3起到了与运动方向相反的支撑力，从而防止活塞3与滑动件15之间冲击力过大，降低了滑动件15与活塞3之间撞击的噪音。当滑动件15朝伸出活塞4方向运动时，第三弹性支撑部18被逐渐拉伸，第三弹性支撑部18对滑动件15起到了与运动方向相反的拉力，从而防止滑动件15行程过长，减少了向上冲击的振幅，同时也减小了与活塞3的撞击噪音；当滑动件15朝伸入活塞4方向运动时，第三弹性支撑部18被逐渐压缩，第三支撑部对滑动件15起到了与运动方向相反的支撑力，从而防止滑动件15与连动杆的第二止挡部11之间撞击的振幅和撞击噪音。As shown in FIG. 5 or FIG. 7, the other end of the connecting member 9 is movably connected to the sliding member 15. The second stopper portion 11 is located on a side of the sliding member 15 away from the piston 3. 11 is located on the side of the sliding member 15 away from the piston 3, and a second elastic supporting portion 17 is provided between the piston 3 and the sliding member 15, and a third elasticity is provided between the sliding member 15 and the second stopping portion 11. Supporting section 18. When the piston 3 moves in the direction of extending the piston 4, the second elastic supporting portion 17 is gradually stretched. At this time, the second elastic supporting portion 17 exerts a tensile force on the piston 3 opposite to the movement direction, thereby preventing the piston 3 from being stretched too long. , The amplitude of the upward impact is reduced; when the piston 3 moves in the direction of extending into the piston 4, the second elastic support portion 17 is gradually compressed, and the second elastic support portion 17 supports the piston 3 in the opposite direction to the movement direction Force, thereby preventing the impact force between the piston 3 and the slider 15 from being too large, and reducing the noise of the collision between the slider 15 and the piston 3. When the slider 15 moves in the direction of extending the piston 4, the third elastic support portion 18 is gradually stretched, and the third elastic support portion 18 exerts a tensile force on the slider 15 opposite to the direction of movement, thereby preventing the slider 15 from overtraveling. Long, reduces the amplitude of the upward impact, and also reduces the impact noise with the piston 3; when the sliding member 15 moves in the direction of extending into the piston 4, the third elastic support portion 18 is gradually compressed, and the third support portion slides against The member 15 exerts a supporting force opposite to the movement direction, thereby preventing the amplitude and impact noise of the collision between the slider 15 and the second stop portion 11 of the linkage lever.

优选的，所述第二弹性支撑部17与第三弹性支撑部18之间具有相同或不同的结构，和/或相同或不同的弹性系数。Preferably, the second elastic supporting portion 17 and the third elastic supporting portion 18 have the same or different structures, and / or the same or different elastic coefficients.

当活塞3与连动杆活动相连时，除本实施例中图5-图7列出的弹性支撑部的安装方式外，还包括：所述连接件9远离活塞3的一端与所述滑动件15活动相连，所述第二止挡部11位于所述滑动件15远离活塞3的一侧，所述第一止挡部10与空腔13之间设置第一弹性支撑部16，和/或所述活塞3与滑动件15之间设置第二弹性支撑部17；或者，所述连接件9远离活塞3的一端与所述滑动件15活动相连，所述第二止挡部11位于所述滑动件15远离活塞3的一侧，所述第一止挡部10与空腔13之间设置第一弹性支撑部16，和/或所述活塞3与第二止挡部11之间设置第三弹性支撑部18；When the piston 3 is movably connected to the linkage rod, in addition to the installation manner of the elastic support portion listed in FIG. 5 to FIG. 7 in this embodiment, it further includes: an end of the connecting member 9 away from the piston 3 and the sliding member 15 is movably connected, the second stopper portion 11 is located on a side of the sliding member 15 away from the piston 3, a first elastic support portion 16 is provided between the first stopper portion 10 and the cavity 13, and / or A second elastic support portion 17 is provided between the piston 3 and the sliding member 15; or, an end of the connecting member 9 far from the piston 3 is movably connected to the sliding member 15, and the second stopper portion 11 is located in the A side of the sliding member 15 away from the piston 3, a first elastic support portion 16 is provided between the first stop portion 10 and the cavity 13, and / or a first portion is provided between the piston 3 and the second stop portion 11. Three elastic support portions 18;

或者，所述连接件9远离活塞3的一端与所述滑动件15活动相连，所述第二止挡部11位于所述滑动件15远离活塞3的一侧，所述第一止挡部10与空腔13之间设置第一弹性支撑部16，所述活塞3与滑动件15之间设置第二弹性支撑部17，所述活塞3与第二止挡部11之间设置第三弹性支撑部18。Alternatively, an end of the connecting member 9 far from the piston 3 is movably connected to the sliding member 15, the second stopper portion 11 is located on a side of the sliding member 15 away from the piston 3, and the first stopper portion 10 A first elastic support portion 16 is provided between the cavity 13 and the second elastic support portion 17 is provided between the piston 3 and the slider 15, and a third elastic support is provided between the piston 3 and the second stop portion 11. Department 18.

由于以上弹性支撑部的安装方式均可达到本发明的目的，在此不再详细阐述。Since the above mounting methods of the elastic supporting portion can all achieve the purpose of the present invention, they will not be described in detail here.

如图8所示，所述连接件9的一端与活塞3固定相连，所述的固定连接为活塞3与连接件9一体注塑成型或采用螺纹14配合的方式，为了便于安装，优选螺纹14配合的固定方式。所述连接件9的另一端与所述滑动件15活动相连，所述第二止挡部11位于所述滑动件15远离活塞3的一侧，所述活塞3与滑动件15之间设置第二弹性支撑部17，所述滑动件15与第二止挡部11之间设置第三弹性支撑部18。当活塞3朝伸出活塞4方向移动时，第二弹性支撑部17被逐渐拉伸，此时第二弹性支撑部17对活塞3起到了与运动方向相反拉力，从而防止活塞3拉伸过长，降低了向上的冲击的振幅；当活塞3朝伸入活塞4方向移动时，第二弹性支撑部17被逐渐压缩，此时第二弹性支撑部17对活塞3起到了与运动方向相反的支撑力，从而防止活塞3与滑动件15之间冲击力过大，降低了滑动件15与活塞3之间撞击的噪音。当滑动件15朝伸出活塞4方向运动时，第三弹性支撑部18被逐渐拉伸，第三弹性支撑部18对滑动件15起到了与运动方向相反的拉力，从而防止滑动件15行程过长，减少了向上冲击的振幅，同时也减小了滑动件15与活塞3的撞击噪音；当滑动件15朝伸入活塞4方向运动时，第三弹性支撑部18被逐渐压缩，第三支撑部对滑动件15起到了与运动方向相反的支撑力，从而防止滑动件15与连动杆的第二止挡部11之间撞击的振幅和撞击噪音。As shown in FIG. 8, one end of the connecting member 9 is fixedly connected to the piston 3. The fixed connection is a method in which the piston 3 and the connecting member 9 are integrally injection-molded or a thread 14 is used. In order to facilitate installation, a thread 14 is preferred. Fixed way. The other end of the connecting member 9 is movably connected to the sliding member 15. The second stopper portion 11 is located on a side of the sliding member 15 away from the piston 3. A third section is disposed between the piston 3 and the sliding member 15. Two elastic supporting portions 17, and a third elastic supporting portion 18 is disposed between the sliding member 15 and the second stopping portion 11. When the piston 3 moves in the direction of extending the piston 4, the second elastic supporting portion 17 is gradually stretched. At this time, the second elastic supporting portion 17 exerts a tensile force on the piston 3 opposite to the movement direction, thereby preventing the piston 3 from being stretched too long. , The amplitude of the upward impact is reduced; when the piston 3 moves in the direction of extending into the piston 4, the second elastic support portion 17 is gradually compressed, and the second elastic support portion 17 supports the piston 3 in the opposite direction to the movement direction Force, thereby preventing the impact force between the piston 3 and the slider 15 from being too large, and reducing the noise of the collision between the slider 15 and the piston 3. When the slider 15 moves in the direction of extending the piston 4, the third elastic support portion 18 is gradually stretched, and the third elastic support portion 18 exerts a tensile force on the slider 15 opposite to the direction of movement, thereby preventing the slider 15 from overtraveling. Long, reduces the amplitude of the upward impact, and also reduces the impact noise of the sliding member 15 and the piston 3; when the sliding member 15 moves in the direction of extending into the piston 4, the third elastic support portion 18 is gradually compressed, and the third support The portion supports the slider 15 in a direction opposite to the movement direction, thereby preventing the amplitude and impact noise of the collision between the slider 15 and the second stopper portion 11 of the linkage lever.

如图5-图8所示，所述活塞3相对于活塞4内壁可移动设置，所述第一摩擦件5设置于活塞4内壁和/或活塞3外壁上，活塞3相对活塞4移动过程中通过弹性支撑部与第一摩擦件5配合吸收传递至活塞4的震动。所述的第一摩擦件5可为封闭或不封闭的圆环设置于活塞4内壁和/或活塞3外壁，也可仅为一小块区域分布于活塞4内壁和/或活塞3外壁上。As shown in FIG. 5 to FIG. 8, the piston 3 is movably disposed relative to the inner wall of the piston 4, and the first friction member 5 is disposed on the inner wall of the piston 4 and / or the outer wall of the piston 3. During the movement of the piston 3 relative to the piston 4 The elastic support portion cooperates with the first friction member 5 to absorb the vibration transmitted to the piston 4. The first friction member 5 may be a closed or non-closed ring provided on the inner wall of the piston 4 and / or the outer wall of the piston 3, or may be distributed only on a small area on the inner wall of the piston 4 and / or the outer wall of the piston 3.

进一步的，所述活塞3内壁和/或活塞4外壁上设置第一凹槽7，所述第一摩擦件5呈摩擦片设置于第一凹槽7中；所述的第一凹槽7可为封闭或不封闭的圆环设置于活塞4内壁和/或活塞3外壁，也可仅为一小块区域分布于活塞4内壁和/或活塞3外壁上。设置第一凹槽7的目的是由于第一摩擦件5具有一定厚度，当将第一摩擦件5直接设置在活3外壁和/或活塞4内壁时会导致活塞4与活塞3之间产生空隙，活塞4与活塞3内壁之间不能完全贴合，在洗衣机较大震动过程中，会出现活塞3撞击活塞4的情况从而降低减震效果。优选的，所述第一凹槽7呈长条状沿活塞4长度方向设置于活塞4内壁和/或活塞3外壁上，所述第一摩擦件5设置于第一凹槽7中，所述第一凹槽7的长度大于或等于第一摩擦件5的长度；Further, a first groove 7 is provided on the inner wall of the piston 3 and / or the outer wall of the piston 4, and the first friction member 5 is provided in the first groove 7 as a friction plate; the first groove 7 may be The closed or non-closed ring is disposed on the inner wall of the piston 4 and / or the outer wall of the piston 3, or may be distributed on the inner wall of the piston 4 and / or the outer wall of the piston 3 only for a small area. The purpose of providing the first groove 7 is because the first friction member 5 has a certain thickness. When the first friction member 5 is directly disposed on the outer wall of the living 3 and / or the inner wall of the piston 4, a gap will be generated between the piston 4 and the piston 3. The piston 4 and the inner wall of the piston 3 cannot completely fit together. During the large vibration of the washing machine, the situation in which the piston 3 hits the piston 4 may reduce the damping effect. Preferably, the first groove 7 is formed in an elongated shape on the inner wall of the piston 4 and / or the outer wall of the piston 3 along the length direction of the piston 4, and the first friction member 5 is provided in the first groove 7. The length of the first groove 7 is greater than or equal to the length of the first friction member 5;

如图5和图6所示，所述第一凹槽7设置于活塞4内壁上，且第一凹槽7的长度等于第一摩擦件5的长度，当在最小震动时，仅依靠第一摩擦件5产生的摩擦力以及设置于连接件9上的弹性支撑部对活塞3的弹性支撑力或拉力就可吸收洗衣机产生的震动。当较大震动时，则依靠第一摩擦件5和第二摩擦件6共同产生的摩擦力，以及设置于连接件9上的弹性支撑部对活塞3和滑动件15的弹性支撑力或拉力来吸收洗衣机产生的震动。As shown in FIG. 5 and FIG. 6, the first groove 7 is provided on the inner wall of the piston 4, and the length of the first groove 7 is equal to the length of the first friction member 5. The friction force generated by the friction member 5 and the elastic support force or tensile force of the elastic support portion provided on the connecting member 9 to the piston 3 can absorb the vibration generated by the washing machine. When there is a large vibration, it depends on the frictional force generated by the first friction member 5 and the second friction member 6 and the elastic supporting force or pulling force of the elastic support portion provided on the connecting member 9 to the piston 3 and the sliding member 15 to Absorbs vibrations from washing machines.

如图7和图8所示，所述第一凹槽7设置于活塞4内壁上，且第一凹槽7的长度大于第一摩擦件5的长度，所述第一摩擦件5可移动设置于第一凹槽7中，当洗衣机处于较小震动状态时，第一摩擦件5与活塞3相对静止，并在第一凹槽7内往复移动，此时第一摩擦件5不产生摩擦力，当洗衣机处于较大震动状态时，第一摩擦件5在第一凹槽7内运动并与第一凹槽7两端相抵，此时第一摩擦件5相对活塞3移动，此时第一摩擦件5产生摩擦力吸收震动。As shown in FIGS. 7 and 8, the first groove 7 is provided on the inner wall of the piston 4, and the length of the first groove 7 is longer than the length of the first friction member 5, and the first friction member 5 is movably disposed. In the first groove 7, when the washing machine is in a small vibration state, the first friction member 5 and the piston 3 are relatively stationary and move back and forth in the first groove 7, and at this time, the first friction member 5 does not generate a friction force When the washing machine is in a large vibration state, the first friction member 5 moves in the first groove 7 and abuts both ends of the first groove 7, and the first friction member 5 moves relative to the piston 3 at this time. The friction member 5 generates frictional force to absorb vibration.

如图5-8所示，所述第一凹槽7设置于所述活塞4的***端的内壁上，所述第一摩擦件5通过第一凹槽7设置于活塞4的***端；As shown in FIG. 5-8, the first groove 7 is provided on the inner wall of the insertion end of the piston 4, and the first friction member 5 is provided on the insertion end of the piston 4 through the first groove 7;

和/或，所述第一凹槽7设置于所述活塞3***活塞4的一端的外壁上，所述第二摩擦件6通过第一凹槽7设置于所述活塞3***活塞4的一端。And / or, the first groove 7 is provided on an outer wall of one end of the piston 3 inserted into the piston 4, and the second friction member 6 is provided at one end of the piston 3 inserted into the piston 4 through the first groove 7 .

进一步的，所述滑动件15相对于活塞4内壁可移动设置，所述第二摩擦件6设置于滑动件15外壁/活塞4内壁，活塞3联动滑动件15相对活塞4移动过程中第一摩擦件5与第二摩擦件6同时产生摩擦力吸收传递至滑动件15的震动，所述的第二摩擦件6可为封闭或不封闭的圆环设置于活塞4内壁/滑动件15外壁，也可仅为一小块区域分布于活塞4内壁/滑动件15外壁上。Further, the sliding member 15 is movably disposed relative to the inner wall of the piston 4, the second friction member 6 is disposed on the outer wall of the sliding member 15 / the inner wall of the piston 4, and the piston 3 cooperates with the first friction during the movement of the sliding member 15 relative to the piston 4. The second friction member 6 and the second friction member 6 simultaneously generate friction force to absorb the vibration transmitted to the sliding member 15. The second friction member 6 may be a closed or non-closed ring provided on the inner wall of the piston 4 / the outer wall of the sliding member 15. Only a small area may be distributed on the inner wall of the piston 4 / the outer wall of the slider 15.

进一步的，所述滑动件15外壁上设置第二凹槽8，所述第二摩擦件6呈摩擦片设置于第二凹槽8中；所述的第二凹槽8可为封闭或不封闭的圆环设置于活塞4内壁/滑动件15外壁，也可仅为一小块区域分布于活塞4内壁/滑动件15外壁上。设置第二凹槽8的目的是由于第二摩擦件6具有一定厚度，当将第二摩擦件6直接设置在滑动件15外壁/活塞4内壁时会导致活塞4与滑动件15之间产生空隙，活塞4与活塞3内壁之间不能完全贴合，在洗衣机较大震动过程中，会出现滑动件15撞击活塞4的情况从而降低减震效果。Further, a second groove 8 is provided on the outer wall of the sliding member 15, and the second friction member 6 is provided in the second groove 8 as a friction plate; the second groove 8 may be closed or not closed The annular ring is disposed on the inner wall of the piston 4 / the outer wall of the sliding member 15, or may be distributed only on a small area on the inner wall of the piston 4 / the outer wall of the sliding member 15. The purpose of providing the second groove 8 is that the second friction member 6 has a certain thickness. When the second friction member 6 is directly disposed on the outer wall of the slider 15 / the inner wall of the piston 4, a gap is generated between the piston 4 and the slider 15. The piston 4 and the inner wall of the piston 3 cannot completely fit together. During the large vibration of the washing machine, the sliding member 15 may hit the piston 4 to reduce the shock absorption effect.

优选的，所述第二凹槽8呈长条状沿活塞4长度方向设置于滑动件15外壁上，所述第二摩擦件6设置于第二凹槽8中，所述第二凹槽8的长度大于或等于第二摩擦件6长度；Preferably, the second groove 8 is formed in an elongated shape on the outer wall of the sliding member 15 along the length direction of the piston 4, and the second friction member 6 is provided in the second groove 8. The second groove 8 The length is greater than or equal to the length of the second friction member 6;

如图5和图6所示，所述第二凹槽8设置于滑动件15外表面，且第二凹槽8的长度等于第二摩擦件6长度，当在较小震动状态时，滑动件15相对活塞4静止，第二摩擦件6不起作用，仅依靠第一摩擦件5产生的摩擦力就可吸收洗衣机产生的震动。当较大震动时，活塞3与滑动件15联动，此时活塞3相对活塞4移动，此时依靠第一摩擦件5和第二摩擦件6共同产生的摩擦力来吸收洗衣机产生的震动。As shown in FIG. 5 and FIG. 6, the second groove 8 is disposed on the outer surface of the sliding member 15, and the length of the second groove 8 is equal to the length of the second friction member 6. 15 is stationary relative to the piston 4, and the second friction member 6 does not work, and only the friction generated by the first friction member 5 can absorb the vibration generated by the washing machine. When there is a large vibration, the piston 3 and the sliding member 15 are linked, and the piston 3 moves relative to the piston 4 at this time. At this time, the friction generated by the first friction member 5 and the second friction member 6 is used to absorb the vibration generated by the washing machine.

如图7和图8所示，所述第二凹槽8设置于滑动件15外表面，且第二凹槽8的长度大于第二摩擦件6的长度，所述第二摩擦件6可移动设置于第二凹槽8中，当洗衣机处于较大震动时，活塞3与滑动件15联动，此时滑动件15相对活塞4移动，当第二摩擦件6在第二凹槽8中往复运动且不与第二凹槽8的端部抵触时，此时第二摩擦件6与活塞4相对静止，第二摩擦件6不产生摩擦力，当洗衣机处于最大震动状态时，第二摩擦件6在第二凹槽8内运动并与第二凹槽8两端相抵，第二摩擦件6相对活塞4移动，此时第二摩擦件6产生摩擦力吸收震动。As shown in FIG. 7 and FIG. 8, the second groove 8 is disposed on the outer surface of the sliding member 15, and the length of the second groove 8 is greater than the length of the second friction member 6, and the second friction member 6 is movable. It is arranged in the second groove 8. When the washing machine is in a large vibration, the piston 3 is linked with the sliding member 15. At this time, the sliding member 15 moves relative to the piston 4. When the second friction member 6 reciprocates in the second groove 8 When it does not interfere with the end of the second groove 8, the second friction member 6 and the piston 4 are relatively stationary at this time, and the second friction member 6 does not generate a friction force. When the washing machine is in the maximum vibration state, the second friction member 6 The second friction member 6 moves in the second groove 8 and abuts the two ends of the second groove 8 with respect to the piston 4. At this time, the second friction member 6 generates friction force to absorb vibration.

如图5-图8所示，在所述空腔13的***端设置有挡块12，所述挡块12可与活塞3一体成型，可以为可拆卸设置，优选挡块12与活塞3之间可拆卸设置，这样便于制作和生产，所述挡块12优选为便于安装的卡簧类似件。在所述挡块12上设置有供连接件9***的孔，所述连接件9通过所述开孔与活塞3相连，且第一止挡部10设置于空腔13内并被挡块12阻挡，从而防止第一止挡部10从空腔13脱离。As shown in FIG. 5 to FIG. 8, a stopper 12 is provided at the insertion end of the cavity 13, and the stopper 12 may be integrally formed with the piston 3 and may be detachably provided. It can be detachably arranged in this way, so that it is easy to manufacture and produce, and the stopper 12 is preferably a spring-like piece which is convenient for installation. The stopper 12 is provided with a hole through which a connecting member 9 is inserted. The connecting member 9 is connected to the piston 3 through the opening. The first stopper 10 is disposed in the cavity 13 and is blocked by the stopper 12. Blocking, thereby preventing the first stop portion 10 from detaching from the cavity 13.

本发明还提出了一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，所述减震器包括活塞4和一端***所述活塞4的活塞3，所述活塞4内设置有滑动件15，所述活塞4与活塞3之间设置第一摩擦件5，所述活塞4与滑动件15之间设置第二摩擦件6，所述活塞4内还设置弹性支撑部，活塞3相对活塞4移动过程中弹性支撑部与第一摩擦件5和第二摩擦件6协同配合吸收传递至活塞4或滑动件15的震动。The invention also provides a washing machine, which includes a casing, an outer tub, and a shock absorber connected to the casing at one end and connected to the outer tub at one end. The shock absorber includes a piston 4 and a piston 3 inserted into the piston 4 at one end. A sliding member 15 is provided in the piston 4, a first friction member 5 is provided between the piston 4 and the piston 3, a second friction member 6 is provided between the piston 4 and the sliding member 15, and a piston 4 is further provided therein. The elastic support part, during the movement of the piston 3 relative to the piston 4, the elastic support part cooperates with the first friction member 5 and the second friction member 6 to absorb the vibration transmitted to the piston 4 or the slider 15.

实施例3Example 3

如图9所示的一种洗衣机减震器，包括套筒4，所述套筒4的一端为第一固定端1，套筒4的另一端设置有开口，所述活塞3的一端通过开口***套筒4中，并能在套筒4内部往复移动，所述活塞3的另一端为第一固定端2。所述第一固定端1固定在滚筒洗衣机外筒上，所述第一固定端2固定在滚筒洗衣机外壳上，反之亦可。所述套筒4内设置滑动件15，所述套筒4与活塞3之间设置第一摩擦件5，所述套筒4与滑动件15之间设置第二摩擦件6，所述滑动件15与套筒4之间还设置有弹性支撑部，活塞3相对套筒4移动过程中弹性支撑部与第一摩擦件5和/或第二摩擦件6协同配合吸收传递至套筒4或滑动件15的震动。所述的第一摩擦件5与第二摩擦件6之间可以具有相同或者不同的结构，和/或相同或不同的摩擦系数。活塞3与滑动件15联动为任意可以使得二者同时运动的设置，如设置连杆、弹簧或通过磁极吸附等方式。A shock absorber for a washing machine shown in FIG. 9 includes a sleeve 4, one end of the sleeve 4 is a first fixed end 1, the other end of the sleeve 4 is provided with an opening, and one end of the piston 3 passes through the opening. It is inserted into the sleeve 4 and can reciprocate inside the sleeve 4. The other end of the piston 3 is a first fixed end 2. The first fixed end 1 is fixed on the outer drum of the drum washing machine, and the first fixed end 2 is fixed on the outer shell of the drum washing machine, and vice versa. A sliding member 15 is disposed in the sleeve 4, a first friction member 5 is disposed between the sleeve 4 and the piston 3, and a second friction member 6 is disposed between the sleeve 4 and the sliding member 15. An elastic support portion is also provided between 15 and the sleeve 4. During the movement of the piston 3 relative to the sleeve 4, the elastic support portion cooperates with the first friction member 5 and / or the second friction member 6 to absorb and transmit to the sleeve 4 or slide. The vibration of piece 15. The first friction member 5 and the second friction member 6 may have the same or different structures and / or the same or different friction coefficients. The linkage between the piston 3 and the sliding member 15 is any setting that can make the two move at the same time, such as setting a connecting rod, a spring, or attracting by a magnetic pole.

进一步的，所述滑动件15靠近活塞3的一侧与套筒4之间设置第一弹性支撑部16，和/或所述滑动件15远离活塞3的一侧与套筒4之间设置第二弹性支撑部17。Further, a first elastic support portion 16 is provided between a side of the sliding member 15 near the piston 3 and the sleeve 4, and / or a first portion of the sliding member 15 away from the piston 3 and a sleeve 4 is provided. Two elastic support portions 17.

如图9所示，在滑动件15两侧均设置有弹性支撑部，所述套筒4供活塞3***的一端设置有开口，所述开口的尺寸小于套筒4的内径，所述活塞3以与所述开口相同的尺寸伸入套筒4中，且开口的两端与活塞3外壁接触，此时活塞3与套筒4内壁之间有空隙，所述第一弹性支撑部16套设于活塞3上，且所述第一弹性支撑部16与套筒4的内壁相接触，其一端与滑动件15相连，另一端与开口的两端相抵触。所述第二弹性支撑部17的一端与滑动件15相连，另一端与套筒4开口相对的套筒4一端相抵触，当活塞3朝远离活塞3的方向移动时，第一弹性支承部对活塞3起到了一个与运动方向相反的拉力，从而防止活塞3拉长过长，降低向上冲击振幅，同时也减小了活塞3与套筒4之间碰撞的噪音。当活塞3朝伸入活塞3的方向移动时，第二弹性支撑部17对活塞3和滑动件15起到了一个与运动方向相反的弹性支撑力，从而防止滑动件15或活塞3压缩过量，降低向下冲击振幅，同时也减小了滑动件15与套筒4之间碰撞的噪音。As shown in FIG. 9, elastic support portions are provided on both sides of the slider 15. An opening of the sleeve 4 at which the piston 3 is inserted is provided with an opening whose size is smaller than the inner diameter of the sleeve 4, and the piston 3 It extends into the sleeve 4 with the same size as the opening, and both ends of the opening are in contact with the outer wall of the piston 3, and there is a gap between the piston 3 and the inner wall of the sleeve 4, and the first elastic support portion 16 is sleeved On the piston 3, the first elastic supporting portion 16 is in contact with the inner wall of the sleeve 4, one end of which is connected to the sliding member 15, and the other end is in contact with the two ends of the opening. One end of the second elastic support portion 17 is connected to the sliding member 15, and the other end is in contact with one end of the sleeve 4 opposite to the opening of the sleeve 4. When the piston 3 moves away from the piston 3, the first elastic support portion faces The piston 3 exerts a pulling force opposite to the movement direction, thereby preventing the piston 3 from being stretched too long, reducing the upward impact amplitude, and also reducing the noise of collision between the piston 3 and the sleeve 4. When the piston 3 moves in a direction extending into the piston 3, the second elastic supporting portion 17 exerts an elastic supporting force on the piston 3 and the slider 15 in a direction opposite to the movement direction, thereby preventing the slider 15 or the piston 3 from being compressed excessively and reducing The downward impact amplitude also reduces the noise of collision between the slider 15 and the sleeve 4.

优选的，所述第一弹性支撑部16与第二弹性支撑部17之间具有相同或不同的结构，和/或相同或不同的弹性系数。Preferably, the first elastic supporting portion 16 and the second elastic supporting portion 17 have the same or different structures, and / or the same or different elastic coefficients.

除本实施例外，也可仅在图9示意滑动件15的右侧设置第一弹性支撑部16，或仅在滑动件15的左侧设置第二弹性支撑部17的方案，均在本发明的保护范围之内。Except for this embodiment, the scheme in which the first elastic support portion 16 is provided only on the right side of the slider 15 shown in FIG. 9 or the second elastic support portion 17 is provided only on the left side of the slider 15 is provided in the present invention. Within the scope of protection.

进一步的，所述开孔的两端沿套筒4长度方向朝远离开孔的方向延伸，形成延伸部19，所述延伸部19的外壁与套筒4的外壁处于相同或不同的高度，优选与套筒4的外壁处于同一高度，且所述延伸部19内壁与活塞3外壁相切。所述第一摩擦件5设置于延伸部19与活塞3的接触面上，活塞3相对套筒4移动过程中通过第一弹性支撑部16对活塞3产生的弹性支撑力或拉力，和/或第二弹性支撑部17对滑动件15的弹性支撑力或拉力，通过与第一摩擦件5产生的摩擦力配合吸收传递至套筒4的震动。所述的第一摩擦件5可为封闭或不封闭的圆环设置于套筒4内壁和/或活塞3外壁，也可仅为一小块区域分布于套筒4内壁和/或活塞3外壁上。Further, both ends of the opening hole extend in a direction away from the hole along the length direction of the sleeve 4 to form an extension portion 19, and an outer wall of the extension portion 19 and the outer wall of the sleeve 4 are at the same or different height, preferably It is at the same height as the outer wall of the sleeve 4, and the inner wall of the extension 19 is tangent to the outer wall of the piston 3. The first friction member 5 is disposed on a contact surface between the extension 19 and the piston 3, and the elastic supporting force or pulling force generated by the first elastic supporting portion 16 to the piston 3 during the movement of the piston 3 relative to the sleeve 4 and / or The elastic supporting force or pulling force of the second elastic supporting portion 17 on the sliding member 15 absorbs the vibration transmitted to the sleeve 4 through cooperation with the friction force generated by the first friction member 5. The first friction member 5 may be a closed or non-closed ring provided on the inner wall of the sleeve 4 and / or the outer wall of the piston 3, or may be distributed only on a small area on the inner wall of the sleeve 4 and / or the outer wall of the piston 3. on.

进一步的，所述延伸部19上设置有第二凹槽8第二凹槽87，所述第一摩擦件5设置于第二凹槽8第二凹槽87中；所述的第二凹槽8第二凹槽87可为封闭或不封闭的圆环设置于延伸部19内壁，也可仅为一小块区域分布于延伸部19内壁上。设置第二凹槽8第二凹槽87的目的是由于第一摩擦件5具有一定厚度，当将第一摩擦件5直接设置在活塞3与延伸部19之间时会导致延伸部19与活塞3之间产生空隙，活塞3外壁与延伸部19之间不能完全贴合，在洗衣机较大震动过程中，会出现活塞3撞击延伸部19的情况从而降低减震效果。Further, the extension 19 is provided with a second groove 8 and a second groove 87, and the first friction member 5 is disposed in the second groove 8 and the second groove 87; the second groove The second groove 87 may be a closed or non-closed ring provided on the inner wall of the extension 19, or may be distributed on the inner wall of the extension 19 only for a small area. The purpose of providing the second groove 8 and the second groove 87 is that the first friction member 5 has a certain thickness. When the first friction member 5 is directly disposed between the piston 3 and the extension 19, the extension 19 and the piston will be caused. A gap is generated between 3, and the outer wall of the piston 3 and the extension 19 cannot be completely fitted. During a large vibration of the washing machine, the piston 3 may hit the extension 19 to reduce the shock absorption effect.

优选的，所述第二凹槽8第二凹槽87呈长条状沿套筒4长度方向设置于延伸部19上，所述第一摩擦件5设置于第二凹槽8第二凹槽87中，所述第二凹槽8第二凹槽87的长度大于或等于第一摩擦件5的长度；Preferably, the second groove 8 and the second groove 87 are elongated and arranged on the extension 19 along the length direction of the sleeve 4, and the first friction member 5 is provided on the second groove 8 and the second groove In 87, the length of the second groove 87 is greater than or equal to the length of the first friction member 5;

进一步的，所述滑动件15相对于套筒4内壁可移动设置，所述第二摩擦件6设置于滑动件15外壁/ 套筒4内壁，活塞3联动滑动件15相对套筒4移动过程中第一摩擦件5与第二摩擦件6同时产生摩擦力吸收传递至滑动件15的震动，所述的第二摩擦件6可为封闭或不封闭的圆环设置于套筒4内壁/滑动件15外壁，也可仅为一小块区域分布于套筒4内壁/滑动件15外壁上。Further, the sliding member 15 is movably disposed relative to the inner wall of the sleeve 4, the second friction member 6 is disposed on the outer wall of the sliding member 15 / the inner wall of the sleeve 4, and the piston 3 is associated with the sliding member 15 in the process of moving relative to the sleeve 4 The first friction member 5 and the second friction member 6 simultaneously generate friction force to absorb the vibration transmitted to the sliding member 15. The second friction member 6 may be a closed or non-closed ring provided on the inner wall / slider of the sleeve 4. The outer wall 15 may also be distributed on a small area on the inner wall of the sleeve 4 / the outer wall of the sliding member 15.

进一步的，所述滑动件15外壁上设置第二凹槽，所述第二摩擦件6设置于第二凹槽中；所述第二摩擦件6呈摩擦片设置于第二凹槽中；所述的第二凹槽可为封闭或不封闭的圆环设置于套筒4内壁/滑动件15外壁，也可仅为一小块区域分布于套筒4内壁/滑动件15外壁上。设置第二凹槽的目的是由于第二摩擦件6具有一定厚度，当将第二摩擦件6直接设置在滑动件15外壁/套筒4内壁时会导致套筒4与滑动件15之间产生空隙，套筒4与活塞3内壁之间不能完全贴合，在洗衣机较大震动过程中，会出现滑动件15撞击套筒4的情况从而降低减震效果。Further, a second groove is provided on the outer wall of the sliding member 15, and the second friction member 6 is disposed in the second groove; the second friction member 6 is disposed in the second groove as a friction plate; The second groove may be a closed or non-closed ring provided on the inner wall of the sleeve 4 / the outer wall of the sliding member 15, or may be distributed only on a small area on the inner wall of the sleeve 4 / the outer wall of the sliding member 15. The purpose of providing the second groove is because the second friction member 6 has a certain thickness. When the second friction member 6 is directly disposed on the outer wall of the slider 15 / the inner wall of the sleeve 4, it will cause a gap between the sleeve 4 and the slider 15. In the gap, the sleeve 4 and the inner wall of the piston 3 cannot completely fit. During the large vibration of the washing machine, the sliding member 15 may hit the sleeve 4 to reduce the damping effect.

另外，除本实施例外，第一摩擦件5、第二凹槽8第二凹槽87以及第二摩擦件6、第二凹槽的设置形式还可为，第二凹槽8第二凹槽87的长度等于第一摩擦件5的长度，以及第二凹槽的长度等于第二摩擦件6的长度；或者，第二凹槽8第二凹槽87的长度等于第一摩擦件5的长度，以及第二凹槽的长度大于第二摩擦件6的长度；或者，第二凹槽8第二凹槽87的长度大于第一摩擦件5的长度，以及第二凹槽的长度等于第二摩擦件6的长度，这两种设置方式均可达到本发明的目的，本实施例不再详细说明。In addition, except for this embodiment, the first friction member 5, the second groove 8, the second groove 87, and the second friction member 6, the second groove may be provided in the form of the second groove 8 and the second groove. The length of 87 is equal to the length of the first friction member 5, and the length of the second groove is equal to the length of the second friction member 6. Or, the length of the second groove 8 and the second groove 87 are equal to the length of the first friction member 5. And the length of the second groove is greater than the length of the second friction member 6; or, the length of the second groove 87 of the second groove 8 is greater than the length of the first friction member 5, and the length of the second groove is equal to the second The two ways of setting the length of the friction member 6 can achieve the purpose of the present invention, which will not be described in detail in this embodiment.

进一步的，所述滑动件15与活塞3之间还设置有第二弹性支撑部18，所述第二弹性支撑部18的尺寸小于第一弹性支撑部16的尺寸，所述第二弹性支撑部18位于第一弹性支撑部16的内部。所述活塞3在套筒4内往复运动时，第二弹性支撑部18有效防止和减小了滑动件15和活塞3之间撞击的噪音。所述第一弹性支撑部16、第二弹性支撑部17以及第二弹性支撑部18具有相同或不同的结构，以及相同或不同的弹性系数。Further, a second elastic support portion 18 is further provided between the sliding member 15 and the piston 3. The size of the second elastic support portion 18 is smaller than the size of the first elastic support portion 16. 18 is located inside the first elastic support portion 16. When the piston 3 reciprocates in the sleeve 4, the second elastic supporting portion 18 effectively prevents and reduces the noise of the collision between the sliding member 15 and the piston 3. The first elastic support portion 16, the second elastic support portion 17, and the second elastic support portion 18 have the same or different structures and the same or different elastic coefficients.

进一步的，所述滑动件15与活塞3之间设置有连接件9，所述连接件9一端与滑动件15相连，另一端与活塞3***套筒4的一端相连，所述连接件9相对活塞3和/或滑动件15可移动设置，所述第二弹性支撑部18设置于连接件9上，这样防止洗衣机震动过程中第二弹性支撑部18发生扭曲形变，同时连接件9与滑动件15之间，和/或连接件9与活塞3之间也会有产生阻尼力，有助于提高减震效果。Further, a connecting member 9 is provided between the sliding member 15 and the piston 3, one end of the connecting member 9 is connected to the sliding member 15, and the other end is connected to one end of the piston 3 inserted into the sleeve 4, and the connecting member 9 is opposite The piston 3 and / or the sliding member 15 are movably disposed, and the second elastic supporting portion 18 is provided on the connecting member 9 so as to prevent the second elastic supporting portion 18 from being deformed during the vibration of the washing machine, and the connecting member 9 and the sliding member There will also be a damping force between 15 and / or the connecting member 9 and the piston 3, which will help improve the shock absorption effect.

如图9所示，所述连接件9的一端与活塞3固定相连，连接件9与活塞3之间固定的方式既可一体注塑成型，也可通过螺纹配合的方式固定；所述连接件9的另一端设置有止挡部20，所述滑动件15设置于活塞3与止挡部20之间的连接件9上，此时第二弹性支撑部17一端与止挡部20相连，另一端与和所述活塞3的开口相对的活塞3一端相连，从而避免滑动件15和止挡部20与套筒4之间发生碰撞。As shown in FIG. 9, one end of the connecting member 9 is fixedly connected to the piston 3, and the fixing method between the connecting member 9 and the piston 3 can be integrally injection-molded or fixed by screwing. The connecting member 9 The other end is provided with a stopper 20, and the sliding member 15 is provided on the connecting member 9 between the piston 3 and the stopper 20. At this time, one end of the second elastic support portion 17 is connected to the stopper 20 and the other end The piston 3 is connected to one end of the piston 3 opposite to the opening of the piston 3 so as to avoid collision between the sliding member 15 and the stopper 20 and the sleeve 4.

除图9所示外，连接件9与活塞3相连的一端也可设置止挡部20，此时活塞3可沿连接件9往复运动，或者连接件9与活塞3和滑动15件相连的两端均设置有止挡部20，此时活塞3和滑动件15均可沿连接件9往复运动。In addition to that shown in FIG. 9, a stopper 20 may also be provided at the end of the connecting member 9 connected to the piston 3. At this time, the piston 3 may reciprocate along the connecting member 9, or the connecting member 9 is connected to the piston 3 and the sliding 15 member. Both ends are provided with a stopper 20. At this time, both the piston 3 and the sliding member 15 can reciprocate along the connecting member 9.

下面针对图9的结构阐述本发明的减震原理：The principle of shock absorption of the present invention is explained below with respect to the structure of FIG. 9:

如图9所示，所述第二凹槽8第二凹槽87的长度大于第一摩擦件5的长度，所述第一摩擦件5可移动设置于第二凹槽8第二凹槽87中，所述第二凹槽设置于滑动件15外表面，且第二凹槽的长度大于第二摩擦件6的长度，所述第二摩擦件6可移动设置于第二凹槽中。当洗衣机高频运转时，洗衣机震动最小，滑动件15与套筒4相对静止，此时第二摩擦件6不起作用；活塞3相对套筒4移动，第一摩擦件5在第二凹槽8第二凹槽87内往复移动，且第一摩擦件5与活塞3相对静止，第一摩擦件5也不起作用，此时主要依靠套筒4与活塞3之间产生的阻尼力即可吸收震动；当洗衣机次高频运转时，活塞3相对套筒4移动，第一摩擦件5在第二凹槽8第二凹槽87内往复移动，且第一摩擦件5与活塞3相对静止，第一摩擦件5不起作用，在第二弹性支撑部18的弹性支撑下，滑动件15相对套筒4运动，第二摩擦件6在第二凹槽内往复运动，且第二摩擦件6与套筒4相对静止，此时第二摩擦件6不起作用，此时主要依靠套筒4与活塞3之间，连接件9与滑动件15之间，以及滑动件15与套筒4之间产生的阻尼力来吸收震动，当洗衣机处于次低频运转时，第一摩擦件5在第二凹槽8第二凹槽87内运动时与第二凹槽8第二凹槽87两端相抵触，第一摩擦件5相对活塞3发生位移，从此时主要通过第一摩擦件5产生的摩擦力来吸收震动；当洗衣机处于低频运转时，第二摩擦件6在第二凹槽内运动时与第二凹槽两端相抵触，第二摩擦件6相对活塞 3发生位移，从而通过第一摩擦件5和第二摩擦件6同时产生的摩擦力来吸收震动。在所述减震器整个减震过程中，第一弹性支撑部16与第二弹性支撑部17分别会对活塞3起到向上和向下的拉力，以减小活塞3的最大拉伸长度和最大压缩长度。从而在洗衣机处于高频、次高频、低频以及次低频状态时，本发明的减震器均能达到很好的减震效果。As shown in FIG. 9, the length of the second groove 87 and the second groove 87 are longer than the length of the first friction member 5. The first friction member 5 is movably disposed in the second groove 87 and the second groove 87. Wherein, the second groove is provided on the outer surface of the sliding member 15, and the length of the second groove is longer than that of the second friction member 6, and the second friction member 6 is movably disposed in the second groove. When the washing machine runs at high frequency, the vibration of the washing machine is the smallest, and the sliding member 15 and the sleeve 4 are relatively stationary. At this time, the second friction member 6 does not work; the piston 3 moves relative to the sleeve 4, and the first friction member 5 is in the second groove. 8 The second groove 87 moves back and forth, and the first friction member 5 and the piston 3 are relatively stationary. The first friction member 5 also does not work. At this time, the damping force generated between the sleeve 4 and the piston 3 can be mainly used. Absorb vibration; when the washing machine runs at high frequency, the piston 3 moves relative to the sleeve 4, the first friction member 5 moves back and forth in the second groove 8 and the second groove 87, and the first friction member 5 and the piston 3 are relatively stationary The first friction member 5 does not work. Under the elastic support of the second elastic support portion 18, the slider 15 moves relative to the sleeve 4, the second friction member 6 reciprocates in the second groove, and the second friction member 6 and the sleeve 4 are relatively stationary, and the second friction member 6 does not work at this time. At this time, it mainly depends on the sleeve 4 and the piston 3, the connection member 9 and the slider 15, and the slider 15 and the sleeve 4. The damping force generated between them absorbs vibration. When the washing machine is running at the second low frequency, the first friction member 5 is at the second When the second groove 87 in the groove 8 moves inside the second groove 87 and the two ends of the second groove 87 are in contact with each other, the first friction member 5 is displaced relative to the piston 3, and the friction force generated mainly by the first friction member 5 from this time When the washing machine is running at a low frequency, the second friction member 6 comes into contact with the two ends of the second groove when the second friction member 6 moves in the second groove, and the second friction member 6 is displaced relative to the piston 3 to pass the first friction. The frictional force generated by the member 5 and the second friction member 6 simultaneously absorbs vibration. During the entire shock absorption process of the shock absorber, the first elastic support portion 16 and the second elastic support portion 17 exert upward and downward tensile forces on the piston 3 respectively, so as to reduce the maximum extension length of the piston 3 and Maximum compression length. Therefore, when the washing machine is in the high-frequency, sub-high-frequency, low-frequency, and sub-low-frequency states, the shock absorber of the present invention can achieve a good shock absorption effect.

本发明还提出了一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，所述减震器包括套筒4和一端***所述套筒4的活塞3，所述套筒4内设置滑动件15，所述套筒4与活塞3之间设置第一摩擦件5，所述套筒4与滑动件15之间设置第二摩擦件6，所述滑动件15与套筒4之间还设置有弹性支撑部，活塞3相对套筒4移动过程中弹性支撑部与第一摩擦件5和/或第二摩擦件6协同配合吸收传递至套筒4或滑动件15的震动。The invention also provides a washing machine, which includes a casing, an outer tub, and a shock absorber connected to the casing at one end and connected to the outer tub at one end. The shock absorber includes a sleeve 4 and a piston 3 inserted into the sleeve 4 at one end. A sliding member 15 is provided in the sleeve 4, a first friction member 5 is provided between the sleeve 4 and the piston 3, and a second friction member 6 is provided between the sleeve 4 and the sliding member 15. An elastic support portion is also provided between the member 15 and the sleeve 4. During the movement of the piston 3 relative to the sleeve 4, the elastic support portion cooperates with the first friction member 5 and / or the second friction member 6 to absorb and transmit to the sleeve 4 or The vibration of the slider 15.

以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as above with the preferred embodiments, they are not intended to limit the present invention. Any technology that is familiar with the patent Without departing from the scope of the technical solution of the present invention, a person can use the technical content of the above hint to make a few changes or modifications to equivalent embodiments with equivalent changes. Anyone that does not depart from the technical solution of the present invention, according to the technology of the present invention In essence, any simple modifications, equivalent changes, and modifications made to the above embodiments still fall within the scope of the solution of the present invention.

Claims

一种洗衣机减震器，包括套筒和一端***所述套筒的活塞，其特征在于，所述套筒内设置滑动件，所述套筒与活塞之间设置第一摩擦件，套筒与滑动件之间设置第二摩擦件，活塞相对套筒移动过程中第一摩擦件与第二摩擦件其一或者同时产生摩擦力吸收传递至套筒或滑动件的震动。A shock absorber for a washing machine includes a sleeve and a piston inserted into the sleeve at one end, wherein a sliding member is arranged in the sleeve, and a first friction member is arranged between the sleeve and the piston. A second friction member is arranged between the sliding members. During the movement of the piston relative to the sleeve, one or both of the first friction member and the second friction member generate friction force to absorb the vibration transmitted to the sleeve or the sliding member.
根据权利要求1所述的一种洗衣机减震器，其特征在于，所述活塞相对于套筒内壁可移动设置，所述第一摩擦件设置于套筒内壁和/或活塞外壁上，活塞相对套筒移动过程中通过第一摩擦件产生摩擦力吸收传递至套筒的震动。The shock absorber for a washing machine according to claim 1, wherein the piston is movably disposed relative to the inner wall of the sleeve, and the first friction member is disposed on the inner wall of the sleeve and / or the outer wall of the piston, and the piston is opposite During the movement of the sleeve, a friction force generated by the first friction member absorbs the vibration transmitted to the sleeve.
根据权利要求2所述的一种洗衣机减震器，其特征在于，所述活塞内壁和/或套筒外壁上设置第一凹槽，所述第一摩擦件设置于第一凹槽中；The shock absorber for a washing machine according to claim 2, wherein a first groove is provided on the inner wall of the piston and / or an outer wall of the sleeve, and the first friction member is provided in the first groove;

优选的，所述第一凹槽呈长条状沿套筒长度方向设置于套筒内壁和/或活塞外壁上，所述第一摩擦件设置于第一凹槽中，所述第一凹槽的长度大于或等于第一摩擦件的长度；Preferably, the first groove is provided on the inner wall of the sleeve and / or the outer wall of the piston in a long shape along the length of the sleeve, and the first friction member is disposed in the first groove. The length is greater than or equal to the length of the first friction member;

更优选的，所述第一凹槽的长度大于第一摩擦件的长度，所述第一摩擦件可移动设置于第一凹槽中。More preferably, the length of the first groove is greater than the length of the first friction member, and the first friction member is movably disposed in the first groove.
根据权利要求1-3任意一项所述的一种洗衣机减震器，其特征在于，所述滑动件相对于套筒内壁可移动设置，所述第二摩擦件设置于滑动件外壁/套筒内壁，活塞联动滑动件相对套筒移动过程中第一摩擦件与第二摩擦件同时产生摩擦力吸收传递至滑动件的震动。The shock absorber for a washing machine according to any one of claims 1-3, wherein the sliding member is movably disposed relative to the inner wall of the sleeve, and the second friction member is disposed on the outer wall / sleeve of the sliding member During the movement of the piston-linked sliding member relative to the sleeve on the inner wall, the first friction member and the second friction member simultaneously generate friction forces to absorb vibration transmitted to the sliding member.
根据权利要求4所述的一种洗衣机减震器，其特征在于，所述滑动件外壁上设置第二凹槽，所述第二摩擦件设置于第二凹槽中；The shock absorber for a washing machine according to claim 4, wherein a second groove is provided on an outer wall of the sliding member, and the second friction member is provided in the second groove;

优选的，所述第二凹槽呈长条状沿套筒长度方向设置于滑动件外壁上，所述第二摩擦件设置于第二凹槽中，所述第二凹槽的长度大于或等于第二摩擦件长度；Preferably, the second groove is arranged on the outer wall of the sliding member along the length of the sleeve in a long shape, the second friction member is arranged in the second groove, and the length of the second groove is greater than or equal to The length of the second friction member;

更优选的，所述第二凹槽的长度大于第二摩擦件长度，所述第二摩擦件可移动设置于第二凹槽中。More preferably, the length of the second groove is greater than the length of the second friction member, and the second friction member is movably disposed in the second groove.
根据权利要求1或5所述的一种洗衣机减震器，其特征在于，所述滑动件与所述活塞之间有连接件，所述连接件的一端与滑动件相连，连接件的另一端与活塞***套筒的一端相连，所述连接件相对活塞和/或滑动件可移动设置。The shock absorber for a washing machine according to claim 1 or 5, wherein a connecting member is provided between the sliding member and the piston, one end of the connecting member is connected to the sliding member, and the other end of the connecting member is It is connected to one end of the piston insertion sleeve, and the connecting member is movably disposed relative to the piston and / or the sliding member.
根据权利要求6所述的一种洗衣机减震器，其特征在于，所述活塞内有空腔，所述连接件的一端***空腔并可在空腔内往复运动，所述连接件***空腔的一端设置有第一止挡部，所述连接件的另一端与滑动件固定相连。The shock absorber for a washing machine according to claim 6, wherein the piston has a cavity therein, and one end of the connecting member is inserted into the cavity and can reciprocate in the cavity, and the connecting member is inserted into the cavity A first stop is provided at one end of the cavity, and the other end of the connecting member is fixedly connected to the sliding member.
根据权利要求6所述的一种洗衣机减震器，其特征在于，所述活塞内有空腔，所述连接件的一端***空腔并可在空腔内往复运动，所述连接件***空腔的一端设置第一止挡部，所述连接件远离空腔的一端设置第二止挡部，所述滑动件设置于活塞与第二止挡部之间，并可沿着连接件往复运动。The shock absorber for a washing machine according to claim 6, wherein the piston has a cavity therein, and one end of the connecting member is inserted into the cavity and can reciprocate in the cavity, and the connecting member is inserted into the cavity A first stopper portion is provided at one end of the cavity, a second stopper portion is provided at an end of the connecting member remote from the cavity, and the sliding member is disposed between the piston and the second stopper portion and can reciprocate along the connection member. .
根据权利要求6所述的一种洗衣机减震器，其特征在于，所述连接件的一端与活塞固定相连，所述连接件远离活塞的一端设置第二止挡部，所述滑动件设置于活塞与第二止挡部之间，并可沿着连接件往复运动。The shock absorber for a washing machine according to claim 6, wherein one end of the connecting member is fixedly connected to the piston, and a second stopper is provided at an end of the connecting member remote from the piston, and the sliding member is provided at Between the piston and the second stopper, it can reciprocate along the connecting member.
一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，其特征在于，所述减震器包括套筒和一端***所述套筒的活塞，所述套筒内设置滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述活塞相对套筒移动过程中第一摩擦件单独产生摩擦力或活塞联动滑动件相对套筒移动过程中第一摩擦件与第二摩擦件同时产生摩擦力以吸收传递至套筒或滑动件的震动。A washing machine includes a casing, an outer tub, and a shock absorber with one end connected to the casing and one end connected to the outer tub, characterized in that the shock absorber includes a sleeve and a piston inserted into the sleeve at one end, and the sleeve A sliding member is provided in the cylinder, a first friction member is provided between the sleeve and the piston, a second friction member is provided between the sleeve and the sliding member, and the first friction member is generated separately during the movement of the piston relative to the sleeve. During the movement of the friction force or the piston-linked sliding member relative to the sleeve, the first friction member and the second friction member generate friction force at the same time to absorb the vibration transmitted to the sleeve or the sliding member.
一种洗衣机减震器，包括套筒和一端***所述套筒的活塞，其特征在于，所述套筒内设置有滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述套筒内还设置弹性支撑部，活塞相对套筒移动过程中弹性支撑部与第一摩擦件和/或第二摩擦件协同配合吸收传递至套筒或滑动件的震动。A shock absorber for a washing machine includes a sleeve and a piston inserted into the sleeve at one end, wherein a sliding member is provided in the sleeve, and a first friction member is provided between the sleeve and the piston. A second friction member is provided between the sleeve and the sliding member, and an elastic support portion is also provided in the sleeve. During the movement of the piston relative to the sleeve, the elastic support portion cooperates with the first friction member and / or the second friction member to absorb and transmit. Vibration to the sleeve or slider.
根据权利要求11所述的一种洗衣机减震器，其特征在于，所述滑动件与所述活塞之间有连接件，所述连接件的一端与滑动件相连，连接件的另一端与活塞***套筒的一端相连，所述连接件相对活塞和/或滑动件可移动设置，所述弹性支撑部设置于连接件上。The shock absorber of a washing machine according to claim 11, wherein a connecting member is provided between the sliding member and the piston, one end of the connecting member is connected to the sliding member, and the other end of the connecting member is connected to the piston One end of the insertion sleeve is connected, the connecting member is movably disposed relative to the piston and / or the sliding member, and the elastic supporting portion is disposed on the connecting member.
根据权利要求12所述的一种洗衣机减震器，其特征在于，所述连接件与活塞相连的一端设置有第一止挡部，和/或所述连接件与滑动件相连的另一端设置有第二止挡部，所述弹性支撑部设置于第一止挡部与活塞之间，和/或活塞与滑动件之间，和/或滑动件与第二止挡部之间。The shock absorber of a washing machine according to claim 12, wherein a first stopper is provided at one end of the connecting member connected to the piston, and / or another end of the connecting member connected to the sliding member is provided. There is a second stop portion, and the elastic support portion is disposed between the first stop portion and the piston, and / or between the piston and the slider, and / or between the slide and the second stop portion.
根据权利要求13所述的一种洗衣机减震器，其特征在于，所述活塞内有空腔，所述连接件的一端***空腔并在空腔内往复运动，所述第一止挡部位于空腔中；The shock absorber for a washing machine according to claim 13, wherein the piston has a cavity therein, and one end of the connecting member is inserted into the cavity and reciprocates in the cavity, and the first stopper portion Located in the cavity

所述连接件的另一端与滑动件固定相连，所述第一止挡部与空腔之间设置第一弹性支撑部，所述活塞与滑动件之间设置第二弹性支撑部；The other end of the connecting member is fixedly connected to the slider, a first elastic support portion is provided between the first stop portion and the cavity, and a second elastic support portion is provided between the piston and the slider;

或者，连接件的另一端与所述滑动件活动相连，所述第二止挡部位于所述滑动件远离活塞的一侧，所述活塞与滑动件之间设置第二弹性支撑部，所述滑动件与第二止挡部之间设置第三弹性支撑部。Alternatively, the other end of the connecting member is movably connected to the sliding member, the second stopper portion is located on a side of the sliding member away from the piston, and a second elastic supporting portion is provided between the piston and the sliding member. A third elastic support portion is provided between the slider and the second stop portion.
根据权利要求13所述的一种洗衣机减震器，其特征在于，所述连接件的一端与活塞固定相连，连接件的另一端与所述滑动件活动相连，所述第二止挡部位于所述滑动件远离活塞的一侧，所述活塞与滑动件之间设置第二弹性支撑部，所述滑动件与第二止挡部之间设置第三弹性支撑部。The shock absorber for a washing machine according to claim 13, wherein one end of the connecting member is fixedly connected to the piston, the other end of the connecting member is movably connected to the sliding member, and the second stopper is located at A side of the sliding member far from the piston, a second elastic supporting portion is provided between the piston and the sliding member, and a third elastic supporting portion is provided between the sliding member and the second stopping portion.
根据权利要求1-5任意一项所述的一种洗衣机减震器，其特征在于，所述活塞相对于套筒内壁可移动设置，所述第一摩擦件设置于套筒内壁和/或活塞外壁上，活塞相对套筒移动过程中通过弹性支撑部与第一摩擦件配合吸收传递至套筒的震动。The shock absorber for a washing machine according to any one of claims 1 to 5, wherein the piston is movably disposed relative to the inner wall of the sleeve, and the first friction member is disposed on the inner wall of the sleeve and / or the piston On the outer wall, during the movement of the piston relative to the sleeve, the elastic support portion cooperates with the first friction member to absorb the vibration transmitted to the sleeve.
根据权利要求16所述的一种洗衣机减震器，其特征在于，所述活塞内壁和/或套筒外壁上设置第一凹槽，所述第一摩擦件设置于第一凹槽中；The shock absorber for a washing machine according to claim 16, wherein a first groove is provided on the inner wall of the piston and / or an outer wall of the sleeve, and the first friction member is provided in the first groove;

优选的，所述第一凹槽呈长条状沿套筒长度方向设置于套筒内壁和/或活塞外壁上，所述第一摩擦件设置于第一凹槽中，所述第一凹槽的长度大于或等于第一摩擦件的长度；Preferably, the first groove is provided on the inner wall of the sleeve and / or the outer wall of the piston in a long shape along the length of the sleeve, and the first friction member is disposed in the first groove. The length is greater than or equal to the length of the first friction member;

更优选的，所述第一凹槽的长度大于第一摩擦件的长度，所述第一摩擦件可移动设置于第一凹槽中。More preferably, the length of the first groove is greater than the length of the first friction member, and the first friction member is movably disposed in the first groove.
根据权利要求11-5任意一项所述的一种洗衣机减震器，其特征在于，所述滑动件相对于套筒内壁可移动设置，所述第二摩擦件设置于滑动件外壁/套筒内壁，滑动件相对套筒移动过程中通过弹性支撑部与第一摩擦件和第二摩擦件配合吸收传递至滑动件的震动。The shock absorber for a washing machine according to any one of claims 11-5, wherein the sliding member is movably disposed relative to the inner wall of the sleeve, and the second friction member is disposed on the outer wall / sleeve of the sliding member. In the inner wall, during the movement of the sliding member relative to the sleeve, the elastic support portion cooperates with the first friction member and the second friction member to absorb and transmit the vibration transmitted to the sliding member.
根据权利要求18所述的一种洗衣机减震器，其特征在于，所述滑动件外壁上设置第二凹槽，所述第二摩擦件设置于第二凹槽中；The shock absorber for a washing machine according to claim 18, wherein a second groove is provided on an outer wall of the sliding member, and the second friction member is provided in the second groove;

优选的，所述第二凹槽呈长条状沿套筒长度方向设置于滑动件外壁上，所述第二摩擦件设置于第二凹槽中，所述第二凹槽的长度大于或等于第二摩擦件长度；Preferably, the second groove is arranged on the outer wall of the sliding member along the length of the sleeve in a long shape, the second friction member is arranged in the second groove, and the length of the second groove is greater than or equal to The length of the second friction member;

更优选的，所述第二凹槽的长度大于第二摩擦件长度，所述第二摩擦件可移动设置于第二凹槽中。More preferably, the length of the second groove is greater than the length of the second friction member, and the second friction member is movably disposed in the second groove.
一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，其特征在于，包括套筒和一端***所述套筒的活塞，所述套筒内设置有滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述套筒内还设置弹性支撑部，活塞相对套筒移动过程中弹性支撑部与第一摩擦件和第二摩擦件协同配合吸收传递至套筒或滑动件的震动。A washing machine includes a casing, an outer tub, and a shock absorber with one end connected to the casing and one end connected to the outer tub, and is characterized in that it includes a sleeve and a piston inserted into the sleeve at one end, and the sleeve is provided with a slide. A first friction member is provided between the sleeve and the piston, and a second friction member is provided between the sleeve and the sliding member. An elastic support portion is also provided in the sleeve, and the piston is elastic during the movement of the piston relative to the sleeve. The supporting portion cooperates with the first friction member and the second friction member to absorb vibration transmitted to the sleeve or the sliding member.
一种洗衣机减震器，包括套筒和一端***所述套筒的活塞，其特征在于，所述套筒内设置滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述滑动件与套筒之间还设置有弹性支撑部，活塞相对套筒移动过程中弹性支撑部与第一摩擦件和/或第二摩擦件协同配合吸收传递至套筒或滑动件的震动。A shock absorber for a washing machine includes a sleeve and a piston inserted into the sleeve at one end, characterized in that a sliding member is disposed in the sleeve, a first friction member is disposed between the sleeve and the piston, and the sleeve A second friction member is provided between the barrel and the sliding member, and an elastic support portion is further provided between the sliding member and the sleeve. The elastic support portion and the first friction member and / or the second friction member are provided during the movement of the piston relative to the sleeve. Synergistically absorbs vibrations transmitted to the sleeve or slider.
根据权利要求21所述的一种洗衣机减震器，其特征在于，所述滑动件靠近活塞的一侧与套筒之间设置第一弹性支撑部，和/或所述滑动件远离活塞的一侧与套筒之间设置第二弹性支撑部。A shock absorber for a washing machine according to claim 21, wherein a first elastic support portion is provided between a side of the sliding member near the piston and the sleeve, and / or a portion of the sliding member away from the piston A second elastic support portion is provided between the side and the sleeve.
根据权利要求22所述的一种洗衣机减震器，其特征在于，所述套筒供活塞***的一端设置有开口，所述开口的尺寸小于套筒的内径且开口的两端与活塞外壁接触，所述第一弹性支撑部套设于活塞上，其一端与滑动件相连，另一端与开口的两端相抵触。The shock absorber for a washing machine according to claim 22, wherein an opening is provided at the end of the sleeve where the piston is inserted, and the size of the opening is smaller than the inner diameter of the sleeve and both ends of the opening are in contact with the outer wall of the piston The first elastic supporting portion is sleeved on the piston, and one end of the first elastic supporting portion is connected to the sliding member, and the other end is in contact with the two ends of the opening.
根据权利要求23所述的一种洗衣机减震器，其特征在于，所述开孔的两端沿套筒长度方向朝远离开孔的方向延伸，形成延伸部，所述第一摩擦件设置于延伸部/套筒上，活塞相对套筒移动过程中通过弹性支撑部与第一摩擦件配合吸收传递至套筒的震动。The shock absorber for a washing machine according to claim 23, wherein both ends of the opening extend in the direction of the sleeve length away from the hole to form an extension, and the first friction member is disposed on On the extension / sleeve, during the movement of the piston relative to the sleeve, the elastic support portion cooperates with the first friction member to absorb the vibration transmitted to the sleeve.
根据权利要求24所述的一种洗衣机减震器，其特征在于，所述延伸部上设置第一凹槽，所述第一摩擦件设置于第一凹槽中；The shock absorber for a washing machine according to claim 24, wherein a first groove is provided on the extension portion, and the first friction member is provided in the first groove;

优选的，所述第一凹槽呈长条状沿套筒长度方向设置于延伸部上，所述第一摩擦件设置于第一凹槽中，所述第一凹槽的长度大于或等于第一摩擦件的长度；Preferably, the first groove is provided in an elongated shape on the extension along the length of the sleeve, the first friction member is disposed in the first groove, and the length of the first groove is greater than or equal to the first groove. The length of a friction member;

更优选的，所述第一凹槽的长度大于第一摩擦件的长度，所述第一摩擦件可移动设置于第一凹槽中。More preferably, the length of the first groove is greater than the length of the first friction member, and the first friction member is movably disposed in the first groove.
根据权利要求21-25任意一项所述的一种洗衣机减震器，其特征在于，所述滑动件相对于套筒内壁可移动设置，所述第二摩擦件设置于滑动件外壁/套筒内壁，滑动件相对套筒移动过程中通过弹性支撑部与第一摩擦件和第二摩擦件配合吸收传递至滑动件的震动。The shock absorber for a washing machine according to any one of claims 21 to 25, wherein the sliding member is movably disposed relative to the inner wall of the sleeve, and the second friction member is disposed on the outer wall / sleeve of the sliding member In the inner wall, during the movement of the sliding member relative to the sleeve, the elastic support portion cooperates with the first friction member and the second friction member to absorb and transmit the vibration transmitted to the sliding member.
根据权利要求26所述的一种洗衣机减震器，其特征在于，所述滑动件外壁上设置第二凹槽，所述第二摩擦件设置于第二凹槽中；The shock absorber for a washing machine according to claim 26, wherein a second groove is provided on an outer wall of the sliding member, and the second friction member is provided in the second groove;

优选的，所述第二凹槽呈长条状沿套筒长度方向设置于滑动件外壁上，所述第二摩擦件设置于第二凹槽中，所述第二凹槽的长度大于或等于第二摩擦件长度；Preferably, the second groove is arranged on the outer wall of the sliding member along the length of the sleeve in a long shape, the second friction member is arranged in the second groove, and the length of the second groove is greater than or equal to The length of the second friction member;

更优选的，所述第二凹槽的长度大于第二摩擦件长度，所述第二摩擦件可移动设置于第二凹槽中。More preferably, the length of the second groove is greater than the length of the second friction member, and the second friction member is movably disposed in the second groove.
根据权利要求27所述的一种洗衣机减震器，其特征在于，所述滑动件与活塞之间还设置有第三弹性支撑部，所述第三弹性支撑部的尺寸小于第一弹性支撑部的尺寸，所述第三弹性支撑部位于第一弹性支撑部的内部。The shock absorber for a washing machine according to claim 27, wherein a third elastic support portion is further provided between the slider and the piston, and the third elastic support portion is smaller in size than the first elastic support portion The size of the third elastic support portion is located inside the first elastic support portion.
根据权利要求28所述的一种洗衣机减震器，其特征在于，所述滑动件与活塞之间设置有连接件，所述连接件一端与滑动件相连，另一端与活塞***套筒的一端相连，所述连接件相对活塞和/或滑动件可移动设置，所述第三弹性支撑部设置于连接件上；The shock absorber for a washing machine according to claim 28, wherein a connecting member is provided between the sliding member and the piston, one end of the connecting member is connected to the sliding member, and the other end is connected to an end of the piston inserted into the sleeve. Connected, the connecting member is movably disposed relative to the piston and / or the sliding member, and the third elastic supporting portion is provided on the connecting member;

优选的，所述连接件的一端与活塞固定相连，另一端设置有止挡部，所述滑动件设置于活塞与止挡部之间的连接件上，第二弹性支撑部一端与止挡部相连，另一端与所述活塞的开口相对的活塞一端相连。Preferably, one end of the connecting member is fixedly connected to the piston, and the other end is provided with a stopper. The slider is provided on the connecting member between the piston and the stopper. One end of the second elastic support portion is connected to the stopper. Connected, the other end of which is connected to one end of the piston opposite to the opening of the piston.
一种洗衣机，包括壳体、外桶，以及一端连接壳体一端连接外桶的减震器，其特征在于，所述减震器包括套筒和一端***所述套筒的活塞，所述套筒内设置滑动件，所述套筒与活塞之间设置第一摩擦件，所述套筒与滑动件之间设置第二摩擦件，所述滑动件与套筒之间还设置有弹性支撑部，活塞相对套筒移动过程中弹性支撑部与第一摩擦件和/或第二摩擦件协同配合吸收传递至套筒或滑动件的震动。A washing machine includes a casing, an outer tub, and a shock absorber with one end connected to the casing and one end connected to the outer tub, characterized in that the shock absorber includes a sleeve and a piston inserted into the sleeve at one end, and the sleeve A sliding member is provided in the cylinder, a first friction member is provided between the sleeve and the piston, a second friction member is provided between the sleeve and the sliding member, and an elastic support portion is further provided between the sliding member and the sleeve. During the movement of the piston relative to the sleeve, the elastic supporting portion cooperates with the first friction member and / or the second friction member to absorb the vibration transmitted to the sleeve or the sliding member.