CN112747077B - Damping device and washing machine provided with same - Google Patents
Damping device and washing machine provided with same Download PDFInfo
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- CN112747077B CN112747077B CN201911052508.5A CN201911052508A CN112747077B CN 112747077 B CN112747077 B CN 112747077B CN 201911052508 A CN201911052508 A CN 201911052508A CN 112747077 B CN112747077 B CN 112747077B
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- adjusting
- shell
- damping device
- rotating shaft
- supporting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/1216—Torsional springs, e.g. torsion bar or torsionally-loaded coil springs
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/14—Torsion springs consisting of bars or tubes
- F16F1/16—Attachments or mountings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a damping device and a washing machine provided with the damping device, comprising a shell; the connecting part is at least partially arranged inside the shell; a support part arranged inside the housing; an elastic part arranged between the connecting part and the supporting part; and the adjusting part is arranged on one side of the supporting part away from the elastic part and is used for adjusting the distance between the connecting part and the supporting part. According to the damping device and the washing machine provided with the damping device, the adjusting part capable of adjusting the distance between the supporting part and the connecting part is arranged on one side of the supporting part, so that the spring in the damper is compressed, the moment required by the stroke of the deformation of the spring is changed, the effect of adjustable moment is achieved, meanwhile, the universality of the damper is improved due to the fact that the moment is adjustable, and the damping can be adjusted at any time according to the requirement of use.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a damping device and a washing machine provided with the damping device.
Background
At present, the damping moment of most washing machine upper cover dampers is fixed, the dampers can only be installed on one washing machine upper cover, when the dampers are installed on other washing machine upper covers, the upper cover can not reach the requirement due to different weights of the upper covers, the damping elastic force can be reduced after long-time use, and the damping effect becomes worse and worse along with the use time.
Chinese patent application number CN201910759484.0 discloses a novel damper comprising: the fixing seat is provided with a mounting hole which penetrates through the lower end face of the fixing seat downwards along the upper end face of the fixing seat, and the lower end of the mounting hole is provided with a rear cover; the force reversing structure is used for converting the rotation moment into the linear moment and comprises an axial cam which is installed in the installation hole in an axially guiding manner and a rotating shaft which is installed in a matched manner with the axial cam, and the upper end of the rotating shaft extends out of the upper end of the fixed seat so as to be connected with the rotating body; the lower end of the rotating shaft is provided with a spiral convex tooth, and the spiral convex tooth is matched with a spiral tooth slot at the upper end of the axial cam; the linear damper module comprises a linear damper arranged in the mounting hole and a compression spring sleeved on the periphery of the linear damper, wherein the upper end and the lower end of the linear damper are respectively contacted with the lower end face of the axial cam and the upper end face of the rear cover, and the upper end and the lower end of the compression spring are respectively contacted with the lower end face of the axial cam and the upper end face of the rear cover.
Although the above prior art proposes a structure related to a damper and realizes a reverse damping that can effectively alleviate when a rotor (such as a flip) is opened, making the opening more labor-saving, it cannot solve the problem that as the usage time goes on, the spring elasticity decreases, resulting in a decrease in damping force, resulting in a decrease in damping effect of the damper.
The present invention has been made in view of this.
Disclosure of Invention
The present invention solves the above-mentioned problems, and provides a damping device which overcomes or at least partially solves the above-mentioned problems.
Another object of the present invention is to provide a washing machine mounted with the damping device.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: a damping device comprises
A housing;
the connecting part is at least partially arranged inside the shell;
the supporting part and the connecting part are arranged inside the shell;
an elastic part arranged between the connecting part and the supporting part;
and the adjusting part is arranged on one side of the supporting part away from the elastic part and is used for adjusting the distance between the connecting part and the supporting part.
Wherein the shell extends from one end to the other end, openings are formed at the two ends, and a cavity is formed in the shell;
the connecting part is at least partially arranged in an opening at one end of the shell;
the connecting part is arranged around the central shaft of the shell and is in relative rotation with the shell;
the adjusting part is movably arranged in the opening at the other end of the shell and is used for adjusting the position of the supporting part between the two openings.
In addition, also comprises
The guide structure is arranged at the matching position of the shell and the supporting part and is used for guiding the supporting part to move between the two openings of the shell along a fixed path;
in one embodiment, a first chute is provided on an inner wall of the housing;
the second sliding groove is arranged on the supporting part corresponding to the first sliding groove;
and the guide part is respectively matched with the first sliding groove and the second sliding groove, so that sliding movement between the supporting part and the shell is ensured.
Further, one end of the elastic part is fixedly connected with the connecting part;
the other end of the elastic part is fixedly connected with the supporting part;
in one embodiment, the elastic portion is a torsion spring.
Further, the adjusting portion and the supporting portion are of an integral structure.
Meanwhile, the connecting part is provided with a first rotating shaft which is arranged in a rotating way relative to the supporting part;
the supporting part is of a hollow annular structure;
the first rotating shaft sequentially passes through the elastic part and the supporting part;
the adjusting part is sleeved outside the first rotating shaft and moves along the axial direction of the first rotating shaft.
Further, the adjusting part is sleeved outside the first rotating shaft and is in rotating fit with the first rotating shaft;
in one embodiment, the rotational fit of the adjustment portion and the first shaft is a threaded fit;
or the adjusting part is sleeved outside the first rotating shaft and is in sliding fit with the first rotating shaft;
in one embodiment, the adjustment portion is of unitary construction with the support portion.
The connecting part is provided with a first rotating shaft extending into the inner side of the elastic part;
the supporting part is provided with a second rotating shaft extending into the inner side of the elastic part;
an adjusting rod is arranged on one side of the supporting part far away from the elastic part;
the adjusting part is sleeved outside the adjusting rod and moves along the axial direction of the adjusting rod.
In one embodiment, the adjusting part is sleeved outside the adjusting rod and is in rotating fit with the adjusting rod;
in one embodiment, the rotational fit of the adjustment portion and the adjustment lever is a threaded fit.
In addition, also include
The positioning hole is arranged on the shell and matched with the adjusting part;
the positioning pin is in movable fit with the positioning hole in a pluggable manner and is used for fixing the adjusting part;
in one embodiment, positioning structures matched with the positioning holes are arranged on the adjusting part at intervals;
in one embodiment, the positioning structure is a groove-type structure surrounding the outer periphery of the adjustment portion.
Further, at least part of the outer edge of the positioning hole protrudes out of the inner wall of the shell and extends to one side of the inner part of the shell to be in interference fit with the outer wall of the adjusting part;
the locating pin passes the locating hole, stretches into inside the location structure, realizes the shell with the fixed of adjustment portion, adjustment portion is in the promotion the in-process of supporting part motion, because the locating hole with adjustment portion is interference fit, consequently can produce certain resistance, and when adjustment portion moves to location structure with the locating hole is joined in marriage, then the locating hole with adjustment portion disappears because the resistance that interference fit produced to can produce a feedback, this feedback suggestion adjustment portion has moved to the position that can fix a position, will at this moment the locating pin passes the locating hole stretches into inside the location structure, realizes the shell with the fixed of adjustment portion.
A washing machine comprises a door body and a tray seat,
a damping device having any one of the above;
the connecting part is connected with the door body or the tray seat;
the shell is connected with the tray seat or the door body.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects: according to the damping device, the adjusting part capable of adjusting the distance between the supporting part and the connecting part is arranged on one side of the supporting part, so that the spring in the damper is compressed, the moment required by the stroke of the deformation of the spring is changed, the effect of adjustable moment is achieved, meanwhile, the universality of the damper is improved due to the fact that the moment is adjustable, and the damping can be adjusted at any time according to the requirement of use.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a first schematic view of the shaft side of the damping device of the present invention;
FIG. 2 is a second schematic view of the shaft side of the damping device of the present invention;
FIG. 3 is a first schematic cross-sectional view of a damping device of the present invention;
FIG. 4 is an enlarged schematic view of the damping device A of the present invention;
FIG. 5 is a second schematic cross-sectional view of the damping device of the present invention;
FIG. 6 is a third schematic cross-sectional view of a damping device of the present invention;
FIG. 7 is a fourth schematic cross-sectional view of a damping device of the present invention.
In the figure: 1. a housing; 101. a first chute; 102. positioning holes; 103. a positioning pin; 2. a connection part; 201. a first rotating shaft; 3. a support part; 301. a second chute; 302. a second rotating shaft; 303. an adjusting rod; 4. an elastic part; 5. an adjusting section; 501. a positioning structure; 6. a guiding part.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, 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, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and fig. 2, which are schematic axial views of the damping device according to the present invention, the damping device according to the present invention is shown from two views, and as can be seen from fig. 1 and fig. 2, the damping device according to the present invention includes a housing 1, a connection portion 2 and a supporting portion 3 are disposed in the housing 1, the connection portion 2 is partially disposed in the housing 1, an elastic portion 4 is disposed between the connection portion 2 and the supporting portion 3, a distance between the connection portion 2 and the supporting portion 3 is adjusted by the adjusting portion 5, so as to further adjust a moment of the elastic portion 4, thereby avoiding a problem that a damping force due to a decrease in elastic force of the elastic portion 4 is reduced and a damping effect is reduced during a long-term use, wherein the housing 1 is a cylindrical hollow structure, and in practical application, the housing 1 is further provided with a fixing portion, which may be a fixing structure for connecting the housing 1 with an external component, and may also be disposed on the housing 1, and two parallel planes in an axial direction of the housing 1 may be parallel to each other, so that the two housings 1 may be further be fixed with a ground plane, and the external connection structure 1 may be further limited.
Further, in fig. 1 and 2, the connecting portion 2 is provided with a switching portion connected with an external component outside the housing 1, the switching portion is of a shaft structure, and two parallel planes are provided in an axial direction of the switching portion, so that the connecting portion 2 can be matched with the external component through the switching portion; further, the connection part 2 is rotatably connected with the housing 1, and can be realized by arranging a rolling bearing or a sliding bearing; further, the device also comprises a guiding structure, which is arranged at the matching position of the shell 1 and the supporting part 3 and is used for guiding the supporting part 3 to move between the two openings of the shell 1 along a fixed path; preferably, the movement of the support part 3 between the two openings of the housing 1 is a movement in the direction of the central axis of the housing 1; further, the guiding structure comprises a first chute 101, a second chute 301 and a guiding portion 6, specifically, a first chute 101 is provided in the housing 1, a second chute 301 is provided in the supporting portion 3 corresponding to the first chute 101, and a guiding portion 6 is provided in cooperation with the first chute 101 and the second chute 301, and under the action of the guiding portion 6, the supporting portion 3 is slidably connected with the housing 1; adjusting portion 5, adjusting portion 5 promotes supporting part 3 is to being close to or keep away from connecting portion 2 one side motion, and then realizes the adjustment of elasticity portion 4 moment, after adjusting elasticity portion 4 moment, use locating pin 103 passes locating hole 102 on the shell 1 cooperates with location structure 501 on adjusting portion 5, realizes the location of adjusting portion 5, prevents that adjusting portion 5 dislocation in the use, leads to elasticity portion 4 moment to change, and then produces the condition that damping device became invalid, locating pin 103 with the cooperation of locating hole 102 can be screw-thread fit, reinforcing locating pin 103's positioning effect.
Furthermore, the connecting portion 2 extends into the housing 1 from the supporting portion 3, the housing 1 and the connecting portion 2 are rotatably connected, and the connecting portion 2 is mounted into the housing 1 from the supporting portion 3 through a rolling bearing or a sliding bearing, because the connecting portion 2 receives the force of the elastic portion 4, and the elastic portion 4 is compressed from the supporting portion 3 to the connecting portion 2 when the adjusting portion 5 is adjusted, and the step structure for preventing the connecting portion 2 from being ejected out of the housing 1 is further provided at the matching position of the housing 1 and the connecting portion 2.
Fig. 3 to 5 are cross-sectional views and enlarged partial views of the damping device according to the present invention, and as can be seen from fig. 3 to 5, one end of the elastic portion 4 is fixedly connected to the connecting portion 2, the other end of the elastic portion 4 is fixedly connected to the supporting portion 3, and the supporting portion 3 is slidably connected to the housing 1, that is, the elastic portion 4 cannot rotate, so that when the connecting portion 2 and the housing 1 rotate relative to each other, the elastic portion 4 is twisted under the action of the connecting portion 2 and the supporting portion 3.
Further, fig. 3 and fig. 5 are two embodiments, in fig. 3, the connecting portion 2 and the supporting portion 3 are respectively provided with a first rotating shaft 201 and a second rotating shaft 302, the other surface of the supporting portion 3 opposite to the second rotating shaft 302 is provided with an adjusting rod 303, and the adjusting rod 303 cooperates with the adjusting portion 5 to adjust the distance between the supporting portion 3 and the connecting portion 2.
Further, at least two positioning structures 501 are arranged on the adjusting portion 5 at intervals, the positioning structures 501 are groove structures surrounding the outer portion of the adjusting portion 5, the positioning holes 102 are formed in a protruding mode on the inner wall of the housing 1 to form structures extending towards the inner portion of the housing 1, the protruding positioning holes 102 are matched with the positioning structures 501, a feedback value is provided in the process that the adjusting portion 5 is pushed to the supporting portion 3, the positioning structures 501 and the positioning holes 102 can timely feed back when reaching the matched positions, and the positioning pins 103 can be conveniently inserted and positioned.
Fig. 6 and fig. 7 are schematic cross-sectional views of the damping device of the present invention, which show that when the adjusting portion 5 and the first rotating shaft 201 or the adjusting lever 303 are slidably disposed, a limiting structure is disposed between the adjusting portion 5 and the housing 1, the limiting structure is that a third sliding groove matched with the guiding portion 6 is disposed on the adjusting portion 5, the third sliding groove and the second sliding groove are jointly matched with the guiding portion 6 to realize sliding of the adjusting portion 5 in the housing 1, and meanwhile, a positioning structure 501 matched with the positioning hole 102 is disposed on the adjusting portion 5, the positioning structure 501 is a plurality of hole structures spaced from and disposed on the adjusting portion 5, and the positioning pin 103 passes through the positioning hole 102 and is matched with the hole-shaped positioning structure 501 on the adjusting portion 5 to realize fixing of the adjusting portion 5; further, when the adjusting portion 5 and the first rotating shaft 201 or the adjusting lever 303 are slidably disposed, the adjusting portion 5 and the supporting portion 3 are integrally formed.
In summary, according to the damping device of the present invention, the adjusting portion 5 capable of adjusting the distance between the supporting portion 3 and the connecting portion 2 is disposed at one side of the supporting portion 3, so as to compress the spring in the damper, change the moment required by the stroke of the deformation of the spring, achieve the effect of adjusting the moment of the elastic portion 4, and meanwhile, due to the adjustable moment, the universality of the damper is improved.
The damping device of the present invention is applied to specific embodiments as described below.
In a specific embodiment, as shown in fig. 1 and 2, the damping device of the present invention includes a housing 1, a connection part 2 and a support part 3 disposed inside the housing 1, an elastic part 4 disposed between the connection part 2 and the support part 3, and an adjusting part 5 disposed on the other surface of the support part 3 matching with the elastic part 4, for adjusting the distance between the connection part 2 and the support part 3, where the damping device of the present invention may specifically be that, in application, the housing 1 extends from one end to the other end, and both ends are provided with openings, and a cavity is formed inside; the connecting part 2 is at least partially arranged in an opening at one end of the shell 1; the connecting part 2 is arranged around the central shaft of the shell 1 and is in relative rotation with the shell 1; the adjusting part 5 is movably arranged in an opening at the other end of the shell and used for adjusting the position of the supporting part 3 between the two openings, the shell 1 and the connecting part 2 are respectively connected with external parts, and when the shell 1 and the connecting part 2 relatively rotate, the elastic part 4 is twisted. In the damping device of the present invention, the housing 1 and the connecting portion 2 may be slidably connected, the housing 1 and the connecting portion 2 are connected to external members, and the elastic portion 4 is compressed when the housing 1 and the connecting portion 2 slide relatively.
In a specific embodiment, as shown in fig. 1 to 5, the damping device of the present invention includes a housing 1, and a connection part 2 and a support part 3 disposed inside the housing 1, an elastic part 4 is disposed between the connection part 2 and the support part 3, and an adjusting part 5 is disposed on the other surface of the support part 3 matching with the elastic part 4, for adjusting the distance between the connection part 2 and the support part 3, where the connection part 2 is disposed in a relative rotation manner with respect to the housing 1 in an axial direction of the housing 1, the connection part 2 is in a rotational connection with respect to the housing 1, and may be implemented by providing a rolling bearing or a sliding bearing, and the support part 3 is disposed in a relative sliding manner with respect to the housing 1 in the axial direction of the housing 1; one end of the elastic part 4 is fixedly connected with the connecting part 2; the other end of the elastic part 4 is fixedly connected with the supporting part 3; preferably, the elastic part 4 is a torsion spring; specifically, the support portion 3 slides with the housing 1, and the connection portion 2 can rotate with the housing 1, and further, the connection portion 2 and the support portion 3 can rotate relatively.
Further, the sliding between the supporting portion 3 and the housing 1 is achieved by providing a first chute 101 on the inner wall of the housing 1, providing a second chute 301 corresponding to the first chute 101 on the supporting portion 3, and providing a guiding portion 6 matching with the first chute 101 and the second chute 301, and the supporting portion 3 is slidably connected with the housing 1 under the action of the guiding portion 6; adjusting the adjusting part 5, the adjusting part 5 promotes the supporting part 3 to move to be close to or far away from one side of the connecting part 2, and then the adjustment of the moment of the elastic part 4 is realized, after the moment of the elastic part 4 is adjusted, the locating pin 103 is used to pass through the locating hole 102 on the shell 1 and is matched with the locating structure 501 on the adjusting part 5, so that the positioning of the adjusting part 5 is realized, the dislocation of the adjusting part 5 in the use process is prevented, the moment of the elastic part 4 is changed, and then the condition that the damping device fails is generated.
In a specific embodiment, as shown in fig. 1 to 5, the damping device according to the present invention includes a housing 1, a connection portion 2 and a support portion 3 disposed inside the housing 1, an elastic portion 4 disposed between the connection portion 2 and the support portion 3, and an adjusting portion 5 disposed on the other surface of the support portion 3 and engaged with the elastic portion 4, for adjusting a distance between the connection portion 2 and the support portion 3, wherein a positioning hole 102 is disposed on the housing 1, a positioning pin 103 is disposed corresponding to the positioning hole 102, and the positioning pin 103 is capable of being movably engaged with the positioning hole 102 and engaged with the adjusting portion 5, so as to fix the adjusting portion 5.
In a specific embodiment, as shown in fig. 1 to 4, in the damping device of the present invention, the connecting portion 2 is provided with a first rotating shaft 201, the supporting portion 3 is provided with a second rotating shaft 302, the first rotating shaft 201 and the second rotating shaft 302 respectively extend into the elastic portion 4, and the other surface of the supporting portion 3 matched with the elastic portion 4 is provided with an adjusting rod 303; the adjusting part 5 is sleeved outside the adjusting rod 303, and the rotation fit of the adjusting part 5 and the adjusting rod 303 is a threaded fit. Further, positioning structures 501 matched with the positioning holes 102 are arranged on the adjusting part 5 at intervals; the positioning structure 501 is a groove-shaped structure surrounding the outer periphery of the adjusting portion 5.
The outer edge of the positioning hole 102 protrudes from the inner wall of the housing 1 and extends to one side of the interior of the housing 1, and is in interference fit with the outer wall of the adjusting portion 5, the adjusting portion 5 slides on the adjusting rod 303 to adjust the supporting portion 3, and the adjusting portion 5 generates a certain resistance because the positioning hole 102 and the adjusting portion 5 are in interference fit in the process of pushing the supporting portion 3 to move, and when the adjusting portion 5 moves to the positioning structure 501 to be matched with the positioning hole 102, the resistance generated by the interference fit between the positioning hole 102 and the adjusting portion 5 disappears, and a feedback can be generated, and the feedback indicates that the adjusting portion 5 moves to a position capable of being positioned, and at the moment, the positioning pin 103 passes through the positioning hole 102 and stretches into the positioning structure 501 to fix the housing 1 and the adjusting portion 5.
In one embodiment, as shown in fig. 1, 2 and 5, the connecting portion 2 is provided with a first rotating shaft 201 rotatably provided with respect to the supporting portion 3; the supporting part 3 is of a hollow annular structure; the first rotating shaft 201 sequentially passes through the elastic part 4 and the supporting part 3 and is matched with the adjusting part 5; preferably, the adjusting portion 5 is integrally formed with the supporting portion 3. The adjusting part 5 is sleeved outside the first rotating shaft 201 and is in sliding fit with the first rotating shaft 201. The adjusting part 5 is provided with positioning structures 501 matched with the positioning holes 102 at intervals, and the positioning structures 501 are groove structures surrounding the periphery of the adjusting part 5.
The outer edge of the positioning hole 102 protrudes from the inner wall of the housing 1 and extends to one side of the interior of the housing 1 to be in interference fit with the outer wall of the adjusting portion 5, the adjusting portion 5 slides in a portion of the first rotating shaft 201 protruding from the supporting portion 3 to achieve adjustment of the supporting portion 3, the adjusting portion 5 generates certain resistance due to interference fit between the positioning hole 102 and the adjusting portion 5 in the process of pushing the supporting portion 3 to move, and when the adjusting portion 5 moves to the positioning structure 501 to be matched with the positioning hole 102, the resistance generated by interference fit between the positioning hole 102 and the adjusting portion 5 disappears, and feedback can be generated to indicate that the adjusting portion 5 moves to a position capable of being positioned, and at the moment, the positioning pin 103 passes through the positioning hole 102 and stretches into the positioning structure 501 to achieve fixation of the housing 1 and the adjusting portion 5.
In one embodiment, as shown in fig. 1, 2 and 5, the connecting portion 2 includes a first rotating shaft 201 rotatably disposed with respect to the supporting portion 3; the supporting part 3 is of a hollow annular structure; the first rotating shaft 201 sequentially passes through the elastic part 4 and the supporting part 3 and is matched with the adjusting part 5; preferably, the adjusting portion 5 is integrally formed with the supporting portion 3. The adjusting part 5 is sleeved outside the first rotating shaft 201 and is in rotating fit with the first rotating shaft 201; further, the rotation fit of the adjusting portion 5 and the first rotating shaft 201 is a threaded fit. The adjusting part 5 is provided with positioning structures 501 matched with the positioning holes 102 at intervals, and the positioning structures 501 are groove structures surrounding the periphery of the adjusting part 5.
The outer edge of the positioning hole 102 protrudes from the inner wall of the housing 1 and extends to one side of the interior of the housing 1 to be in interference fit with the outer wall of the adjusting portion 5, the adjusting portion 5 rotates in a portion of the first rotating shaft 201 protruding from the supporting portion 3 to achieve adjustment of the supporting portion 3, the adjusting portion 5 generates certain resistance due to interference fit between the positioning hole 102 and the adjusting portion 5 in the process of pushing the supporting portion 3 to move, and when the adjusting portion 5 moves to the positioning structure 501 to be matched with the positioning hole 102, the resistance generated by interference fit between the positioning hole 102 and the adjusting portion 5 disappears, and feedback can be generated to indicate that the adjusting portion 5 moves to a position capable of being positioned, and at the moment, the positioning pin 103 passes through the positioning hole 102 and stretches into the positioning structure 501 to achieve fixation of the housing 1 and the adjusting portion 5.
In a specific embodiment, as shown in fig. 7, when the adjusting portion 5 and the first rotating shaft 201 or the adjusting lever 303 are slidably disposed, a limiting structure is disposed between the adjusting portion 5 and the housing 1, where the limiting structure is that a third chute matched with the guiding portion 6 is disposed on the adjusting portion 5, the third chute and the second chute are jointly matched with the guiding portion 6 to realize sliding of the adjusting portion 5 in the housing 1, and meanwhile, a positioning structure 501 matched with the positioning hole 102 is disposed on the adjusting portion 5, the positioning structures 501 are a plurality of hole structures disposed on the adjusting portion 5 at intervals, and the positioning pin 103 passes through the positioning hole 102 and is matched with the hole-shaped positioning structure 501 on the adjusting portion 5 to realize fixing of the adjusting portion 5.
In a specific embodiment, the washing machine comprises a door body and a tray seat, wherein the damping device is arranged between the door body and the tray seat; the tray seat can be a control tray seat for installing a control panel or a base for installing a door body, wherein the connecting part is connected with the door body or the tray seat; the housing is connected to the tray or the door body, and the mounting structure is prior art, so that it is not shown in the drawings.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present application.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present invention without departing from the scope of the invention.
Claims (16)
1. A damping device, characterized by: comprising
A housing (1);
a connection part (2) at least partially arranged inside the housing (1);
a support part (3) arranged inside the housing (1);
an elastic part (4) arranged between the connecting part (2) and the supporting part (3);
an adjusting part (5) arranged on one side of the supporting part (3) far away from the elastic part (4) and used for adjusting the distance between the connecting part (2) and the supporting part (3);
the shell (1) extends from one end to the other end, openings are formed in the two ends, and a cavity is formed in the shell;
the connecting part (2) is at least partially arranged in an opening at one end of the shell (1);
the connecting part (2) is arranged around the central shaft of the shell (1) in a rotating way relative to the shell (1);
the adjusting part (5) is movably arranged in the opening at the other end of the shell (1) and is used for adjusting the position of the supporting part (3) between the two openings;
a positioning hole (102) which is arranged on the shell (1) and is matched with the adjusting part (5);
a positioning pin (103) which is in movable fit with the positioning hole (102) and can be inserted and pulled out, and is used for fixing the adjusting part (5);
and positioning structures (501) matched with the positioning holes (102) are arranged on the adjusting part (5) at intervals.
2. A damping device according to claim 1, wherein: and also comprises
The guide structure is arranged at the matching position of the shell (1) and the supporting part (3) and is used for guiding the supporting part (3) to move between two openings of the shell (1) along a fixed path.
3. A damping device according to claim 2, wherein: the guide structure comprises a first chute (101), a second chute (301) and a guide part (6);
the first sliding groove (101) is arranged on the inner wall of the shell (1);
the second sliding groove (301) is arranged on the supporting part (3) corresponding to the first sliding groove (101);
the guide part (6) is respectively matched with the first sliding groove (101) and the second sliding groove (301).
4. A damper device according to claim 3, wherein:
one end of the elastic part (4) is connected with the connecting part (2);
the other end of the elastic part (4) is connected with the supporting part (3).
5. A damper device according to claim 4, wherein: the elastic part (4) is a torsion spring.
6. A damping device according to any one of claims 1-5, characterized in that:
the adjusting part (5) and the supporting part (3) are of an integral structure.
7. A damping device according to any one of claims 1-5, characterized in that:
the connecting part (2) is provided with a first rotating shaft (201) which rotates relative to the supporting part (3);
the supporting part (3) is of a hollow annular structure;
the first rotating shaft (201) sequentially passes through the elastic part (4) and the supporting part (3);
the adjusting part (5) is sleeved outside the first rotating shaft (201) and moves along the axial direction of the first rotating shaft (201).
8. A damper device according to claim 7, wherein:
the adjusting part (5) is sleeved outside the first rotating shaft (201) and is in rotating fit with the first rotating shaft (201).
9. A damper device according to claim 8, wherein: the rotation fit of the adjusting part (5) and the first rotating shaft (201) is screw fit;
or the adjusting part (5) is sleeved outside the first rotating shaft (201) and is in sliding fit with the first rotating shaft (201).
10. A damping device according to claim 9, wherein: the adjusting part (5) and the supporting part (3) are of an integral structure.
11. A damping device according to any one of claims 1-5, characterized in that:
the connecting part (2) is provided with a first rotating shaft (201) extending into the inner side of the elastic part (4);
the supporting part (3) is provided with a second rotating shaft (302) extending into the inner side of the elastic part (4);
an adjusting rod (303) is arranged on one side of the supporting part (3) far away from the elastic part (4);
the adjusting part (5) is sleeved outside the adjusting rod (303) and moves along the axial direction of the adjusting rod (303).
12. A damping device according to claim 11, wherein: the adjusting part (5) is sleeved outside the adjusting rod (303) and is in rotating fit with the adjusting rod (303).
13. A damping device according to claim 12, wherein: the rotation fit of the adjusting part (5) and the adjusting rod (303) is screw fit.
14. A damping device according to claim 1, wherein: the positioning structure (501) is a groove-shaped structure surrounding the periphery of the adjusting part (5).
15. A damping device according to claim 14, wherein: at least part of the outer edge of the positioning hole (102) protrudes out of the inner wall of the shell (1) and extends to one side of the inner part of the shell (1) to be in interference fit with the outer wall of the adjusting part (5);
the locating pin (103) penetrates through the locating hole (102) and stretches into the locating structure (501), so that the shell (1) and the adjusting part (5) are fixed.
16. The utility model provides a washing machine, includes door body and dish seat, its characterized in that:
a damping device according to any one of claims 1-15;
wherein the connecting part (2) is connected with the door body or the tray seat;
the shell (1) is connected with the tray seat or the door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052508.5A CN112747077B (en) | 2019-10-31 | 2019-10-31 | Damping device and washing machine provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911052508.5A CN112747077B (en) | 2019-10-31 | 2019-10-31 | Damping device and washing machine provided with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112747077A CN112747077A (en) | 2021-05-04 |
| CN112747077B true CN112747077B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911052508.5A Active CN112747077B (en) | 2019-10-31 | 2019-10-31 | Damping device and washing machine provided with same |
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| Country | Link |
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| CN (1) | CN112747077B (en) |
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| JP2004011870A (en) * | 2002-06-11 | 2004-01-15 | Oiles Ind Co Ltd | Spring built-in damper |
| KR20160117778A (en) * | 2015-03-31 | 2016-10-11 | 코웨이 주식회사 | Spring damper with adjustable spring rate |
| CN106930045A (en) * | 2015-12-30 | 2017-07-07 | 合肥海尔洗衣机有限公司 | A kind of washing machine mutative damp vibration absorber and washing machine |
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| CN201367795Y (en) * | 2009-01-12 | 2009-12-23 | 浙江恒辉金属制品有限公司 | Rotary damper |
| CN103668888B (en) * | 2013-12-10 | 2016-02-24 | 广州澳森液压元件有限公司 | A kind of washing machine cover of automatic unlatching |
| CN105818089B (en) * | 2015-01-04 | 2017-06-16 | 襄阳东昇机械有限公司 | Accurate constant torque wrench |
| CN205478870U (en) * | 2016-01-21 | 2016-08-17 | 宁波安佳卫厨电器有限公司 | Laborsaving pivot damping device |
| CN205772508U (en) * | 2016-06-06 | 2016-12-07 | 苏州赛腾精密电子股份有限公司 | A kind of adjustable spool of torsion |
| JP6754256B2 (en) * | 2016-09-26 | 2020-09-09 | 下西技研工業株式会社 | Hinge |
| CN107245851B (en) * | 2017-05-31 | 2021-09-17 | 青岛海尔洗衣机有限公司 | Door cover device with power assisting and damping functions, method and washing machine |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004011870A (en) * | 2002-06-11 | 2004-01-15 | Oiles Ind Co Ltd | Spring built-in damper |
| KR20160117778A (en) * | 2015-03-31 | 2016-10-11 | 코웨이 주식회사 | Spring damper with adjustable spring rate |
| CN106930045A (en) * | 2015-12-30 | 2017-07-07 | 合肥海尔洗衣机有限公司 | A kind of washing machine mutative damp vibration absorber and washing machine |
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| Publication number | Publication date |
|---|---|
| CN112747077A (en) | 2021-05-04 |
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