CN110820256A

CN110820256A - Drainage sealing device of washing machine and washing machine

Info

Publication number: CN110820256A
Application number: CN201810903593.0A
Authority: CN
Inventors: 姜同春; 刘尊安; 吴迪; 郝兴慧
Original assignee: Qingdao Haier Washing Machine Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd
Priority date: 2018-08-09
Filing date: 2018-08-09
Publication date: 2020-02-21
Also published as: JP7169427B2; JP2022503499A; WO2020029852A1

Abstract

The invention provides a drainage sealing device of a washing machine and the washing machine, wherein the washing machine comprises an inner barrel, the bottom of the inner barrel is provided with a drainage hole, the drainage sealing device is arranged at the bottom of the inner barrel and comprises a sealing mechanism which can be in sealing fit with the drainage hole: when washing or rinsing is carried out, the sealing mechanism is in sealing fit with the drain hole, and washing water is contained in the inner barrel; when the water is drained, the water drainage hole is opened by the sealing mechanism, and the washing water in the inner barrel is drained through the water drainage hole. The drainage sealing device is designed on the structure of the inner barrel, the sealing mechanism can lead the inner barrel to be self-sealed, when the washing machine works, water cannot be stored between the inner barrel and the outer barrel, the pollution is prevented, and simultaneously, the drainage sealing device is also an application of a water-saving technology for users.

Description

Drainage sealing device of washing machine and washing machine

Technical Field

The invention relates to the technical field of drainage of a washing machine with a non-porous inner barrel, in particular to a drainage sealing device of a washing machine and the washing machine.

Background

The structure of the existing washing machine generally comprises an inner barrel and an outer barrel, wherein the inner barrel is communicated with the outer barrel, dewatering holes are formed in the inner barrel for dewatering, and the outer barrel is closed to form a water containing barrel. Like this, washing machine is at the during operation, and the region is full of water between interior bucket and the outer bucket, and in washing machine long-time use operation process, the region between interior bucket and the outer bucket can be covered fully by dirt and the thread scraps that the aquatic has, and the use of going up the month can produce bacterium and peculiar smell, all causes great influence to washing effect and user experience.

In order to solve the problem of pollution of an inner barrel and an outer barrel caused by the fact that water is filled between the inner barrel and the outer barrel, the existing novel washing machine can seal the inner barrel and the outer barrel to avoid the pollution problem. The known solution is to design the inner tub as a hole-free inner tub, so that the inner tub is isolated from the outer tub, and the inner tub serves as a water containing tub, and to achieve drainage of the inner tub, the inner tub is sealed by an external sealing structure against the drainage hole of the inner tub. In this case, the inner tub is relatively unrotatable with the outer tub; when the load in the inner tub shakes due to the rotation of the laundry, the sealing structure also has the hidden trouble of shaking, which may cause the generation of water leakage.

In addition, with the improvement of living standard, the requirement of the user on the washing effect of the clothes is higher and higher, the existing washing machine basically washes the clothes by rotating the impeller to stir water flow in the washing or rinsing process, the water flow formed by the washing mode is single, and the washing effect is to be improved. The existing double-power washing machine can control the impeller and the inner barrel to rotate reversely during washing and rinsing so as to supply more power to water flow, increase the water flow mode, enhance the water flow effect and have better washing effect.

In summary, the present invention is directed to a washing machine that can realize no water in the tub and has a dual-power washing machine, so as to satisfy the dual requirements of the user for cleanliness of the laundry and cleanliness of the washing machine.

Disclosure of Invention

In order to solve the above problems, a first aspect of the present invention is to provide a drain sealing device of a washing machine, and specifically, the following technical solutions are adopted:

a drainage sealing device of a washing machine comprises an inner barrel, wherein a drainage hole is formed in the bottom of the inner barrel, the drainage sealing device is installed at the bottom of the inner barrel and comprises a sealing mechanism which can be in sealing fit with the drainage hole:

when washing or rinsing is carried out, the sealing mechanism is in sealing fit with the drain hole, and washing water is contained in the inner barrel; when the water is drained, the water drainage hole is opened by the sealing mechanism, and the washing water in the inner barrel is drained through the water drainage hole.

Furthermore, the sealing mechanism comprises a plugging component, a connecting component and a fixing component, the fixing component is fixedly installed at the bottom of the inner barrel, the connecting component can be installed on the fixing component in a relatively sliding mode, the connecting component is simultaneously connected with the plugging component to drive the plugging component to move, and therefore the plugging component and the drain hole are sealed and separated.

Furthermore, the fixing part is provided with a hollow slideway, one end of the connecting part is arranged in the hollow slideway of the fixing part in a sliding way, and the other end of the connecting part extends out to be connected with the plugging part; the connecting part slides in the hollow slideway in a reciprocating way along the axial direction to drive the plugging part to be sealed and separated from the drain hole.

Furthermore, the sealing mechanism comprises an elastic component, one end of the elastic component is connected with the fixing component, the other end of the elastic component is connected with the plugging component or the connecting component, and the elastic component deforms when the connecting component slides to a state that the plugging component is separated from the drain hole, so that elastic resetting sealing of the plugging component is realized;

preferably, the resilient member is initially in a compressed state to maintain sealing engagement between the closure member and the drainage aperture.

Further, elastomeric element be the extension spring, adapting unit be inside hollow extension spring cover, fixed part include inside hollow thread bush, extension spring cover slidable cover establish in the thread bush, extension spring cover establish in the extension spring cover, the one end connecting thread cover of extension spring, extension spring cover or shutoff part are connected to the other end.

Furthermore, one end of the tension spring is provided with a first connecting part extending outwards along the circumferential direction, and the other end of the tension spring is provided with a second connecting part; the outer wall of the threaded sleeve is provided with a clamping groove used for being in limiting clamping connection with a first connecting part of the tension spring, an avoiding through groove used for avoiding the first connecting part when the tension spring pipe slides is arranged at one end of the tension spring pipe corresponding to the clamping groove, the other end of the tension spring pipe is provided with a limiting convex ring, and a second connecting part of the tension spring extends to a position between the limiting convex ring and the plugging part and is clamped and fixed;

preferably, the height of the part, which is not provided with the avoiding through groove, of the tension spring pipe is X, the height of the whole threaded sleeve is Y, and X is smaller than Y.

Furthermore, the fixing part comprises a fastening sleeve, the fastening sleeve is in threaded connection with the threaded sleeve, and the tension spring is driven to move through the threaded fastening connection between the fastening sleeve and the threaded sleeve so as to adjust the pretightening force applied to the plugging part by the tension spring and perform self-sealing of the plugging part;

preferably, the fixing component further comprises a support plate, the support plate is fixedly installed at the bottom of the inner barrel, and the fastening sleeve is fixedly installed on the support plate.

Furthermore, the blocking component comprises a top cover, the upper end surface of the top cover is an arc surface, and the lower end surface of the top cover is provided with a sealing part which is in sealing fit with the drain hole; one end of the connecting part is fixedly connected with the center of the lower end face of the top cover;

preferably, the plugging component further comprises a sealing gasket, and the sealing gasket is arranged on the lower end face of the top cover.

Furthermore, the sealing mechanism comprises a sealing component, two ends of the sealing component are hermetically arranged between the plugging component and the fixing component to form a sealed space, and the connecting component is arranged in the sealed space;

preferably, the sealing part is a sealing threaded sleeve, one end of the sealing threaded sleeve is in sealing connection with the top cover, the other end of the sealing threaded sleeve is in sealing connection with one end of the fastening sleeve close to the top cover, and a sealing space which completely covers the tension spring sleeve and the tension spring is formed.

Further, washing machine is including setting up the outside collection water installation at the inner barrel, and drainage sealing device still includes actuating mechanism, actuating mechanism install on collection water installation and correspond to sealing mechanism, actuating mechanism has the output that can stretch out and draw back from top to bottom:

when washing or rinsing is carried out, the output end of the driving device retracts, the sealing mechanism is in sealing fit with the water discharging hole, and washing water is contained in the inner barrel; when water is drained, the output end of the driving device extends out to jack the sealing mechanism open and separate the sealing mechanism from the drain hole, the drain hole is opened, and washing water in the inner barrel flows out of the drain hole to the water collecting device to be drained.

The second invention of the present invention is to provide a washing machine, specifically, the following technical solutions are adopted:

a washing machine comprises an inner barrel, wherein a drain hole is formed in the bottom of the inner barrel, a drainage sealing device is installed at the bottom of the inner barrel, and the washing machine comprises a sealing mechanism which can be in sealing fit with the drain hole:

The drainage sealing device is designed on the structure of the inner barrel, the sealing mechanism can lead the inner barrel to be self-sealed, when the washing machine works, water cannot be stored between the inner barrel and the outer barrel, the pollution is prevented, and simultaneously, the drainage sealing device is also an application of a water-saving technology for users.

Drawings

FIG. 1 is an exploded view of the sealing mechanism of the drain sealing apparatus according to the embodiment of the present invention;

FIG. 2 is a schematic view showing the assembly of the drain sealing device according to the embodiment of the present invention in a washing machine (with the drain hole closed);

fig. 3 is an assembly view (drain hole opened state) of the drain sealing device according to the embodiment of the present invention mounted on the washing machine.

Detailed Description

The drain sealing device of a washing machine and the washing machine of the present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1 to 3, a drainage sealing device for a washing machine includes an inner tub 700, a drainage hole is formed in the bottom of the inner tub 700, and the drainage sealing device is installed at the bottom of the inner tub 700 and includes a sealing mechanism capable of being in sealing fit with the drainage hole:

The drainage sealing device of this embodiment designs on the structure of inner barrel self, and sealing mechanism can make inner barrel carry out the self sealss, and washing machine is at the during operation, can not deposit water between inner barrel and the outer bucket, prevents the contaminated condition, also is the application of a water conservation technique to the user simultaneously, and in addition, inner barrel carries out the self-sealing back through sealing mechanism, and inner barrel and impeller can realize relative rotation, realize the function of double dynamical washing clothing.

Therefore, the sealing mechanism of the present embodiment cannot interfere with the operation of the inner barrel when sealing the drain hole, and as an embodiment of the present embodiment, the sealing mechanism includes a plugging member, a connecting member, and a fixing member, the fixing member is fixedly installed at the bottom of the inner barrel, the connecting member is installed on the fixing member which is installed in a manner that the connecting member can slide relative to the fixing member, and the connecting member is simultaneously connected with the plugging member to drive the plugging member to move, so as to achieve the sealing and separation of the plugging member and the drain hole.

The drain hole is closed in the original state of the plugging piece of the sealing mechanism of the embodiment, so that the drain hole of the inner barrel drain is self-sealed, and during drainage, the external driving mechanism acts on the connecting part to drive the connecting part to move, so that the connecting part drives the plugging part to move, the plugging part is separated from the drain hole, and the drain hole is opened.

Furthermore, the fixing component of this embodiment has a hollow slide, one end of the connecting component is slidably disposed in the hollow slide of the fixing component, and the other end extends out to be connected with the plugging component; the connecting part slides in the hollow slideway in a reciprocating way along the axial direction to drive the plugging part to be sealed and separated from the drain hole.

In order to realize the self-sealing of the sealing mechanism to the drainage hole, the sealing mechanism described in this embodiment includes an elastic member, one end of the elastic member is connected to the fixing member, and the other end of the elastic member is connected to the plugging member or the connecting member, and the elastic member deforms when the connecting member slides to a state where the plugging member is separated from the drainage hole, so as to realize the elastic return sealing of the plugging member.

As an implementation manner of this embodiment, the elastic component be extension spring 300, adapting unit be inside hollow extension spring cover 200, the fixed part include inside hollow thread bush 400, extension spring cover 200 slidable cover establish in thread bush 400, extension spring 300 cover establish in extension spring cover, extension spring 300's one end connection thread bush 400, extension spring cover 200 or shutoff part are connected to the other end.

Specifically, as shown in fig. 3, one end of the tension spring 300 has a first connecting portion 302 extending outward in the circumferential direction, and the other end has a second connecting portion 301; the outer wall of thread bush 400 on set up the joint groove 401 that is used for with the spacing joint of first connecting portion 302 of extension spring 300, the one end of extension spring pipe 200 corresponds joint groove 401 department and sets up the logical groove 202 of dodging that is used for first connecting portion 302 when it slides, the other end of extension spring pipe 200 has spacing bulge loop 201, the second connecting portion 301 of extension spring 300 extends to between spacing bulge loop 201 and the shutoff part and is fixed by the centre gripping.

Preferably, the height of the part of the tension spring tube 200 not provided with the avoidance through groove is X, the height of the whole threaded sleeve is Y, and the X is smaller than Y, so that the tension spring tube 200 cannot be obstructed by an internal tension spring when sliding up and down, and the effectiveness and stability of opening and closing of the drain hole are ensured.

Further, the fixing component described in this embodiment includes the adapter sleeve 600, the adapter sleeve 600 and the thread sleeve 400 are connected by screw thread, the tension spring 300 is driven to move by the screw thread fastening connection between the adapter sleeve 600 and the thread sleeve 400, so as to adjust the pretightening force applied to the plugging component by the tension spring 300, and perform self-sealing of the plugging component.

Preferably, the fixing part further includes a support plate 500, the support plate 500 is fixedly installed at the bottom of the inner tub 700, and the fastening sleeve 600 is fixedly installed on the support plate 500.

Specifically, the support plate 500 has a connection hole 501 fixedly connected to the bottom of the inner barrel and a fixing hole 502 for fixedly mounting the fastening sleeve 600.

Further preferably, the fixing hole 502 is located between two/group of connecting holes 501.

As an embodiment of this embodiment, the blocking component described in this embodiment includes a top cover 100, an upper end surface of the top cover 100 is an arc surface, and a lower end surface of the top cover 100 has a sealing portion 101 that is in sealing fit with the drainage hole; one end of the connecting member is fixedly connected to the center of the lower end surface of the top cover 100.

Preferably, the sealing component further comprises a sealing gasket 800, and the sealing gasket 800 is arranged on the lower end face of the top cover.

The assembly relationship of each part of the sealing mechanism of the embodiment is shown in fig. 3, firstly, the tension spring sleeve 200 and the threaded sleeve 400 are installed together, and the clamping groove 401 is aligned with the avoiding through groove 202, the radial groove of the avoiding through groove 202 is open, the depth of the clamping groove 401 in the radial groove of the threaded sleeve is half of the wall thickness, and after the avoiding through groove 202 is axially formed in the tension spring sleeve 200, the dimension diagram X is left and is lower than the height diagram Y of the threaded sleeve 400.

When the tension spring 300 is installed in the tension spring housing 200, the end of the tension spring 300 comes out to hook the catching groove 401 of the thread housing 400 without hooking the tension spring housing 200. The other end of the extension spring 300 is pressed against the extension spring 300 after the tapered structure of the extension spring housing 200 and the top cover 100 are tightened. This fixes the threaded bushing 400 and the tension spring bushing 200 together by both ends of the tension spring 300. And then screwed together with the top cover 100 with the sealing gasket 800 to form a module (comprising 100, 200, 400 and 600). The other side is to fasten the support plate 500 on the flange 900 through the screw, use the adapter sleeve 600 to link through the screw with the thread of thread bush 400, with the thread bush 400 driving the extension spring 300 outwards to move, the extension spring 300 is driving the top cap 100 to move, twist the pulling force more big more, tighten the module and draw tightly between support plate 500 and interior bucket 700.

The working principle of sealing is as follows: one end of the tension spring 300 is fixed under the action of the bell mouth structure of the tension spring sleeve 200 and the top cover 100, the other end of the tension spring is clamped on the thread sleeve 400, the tension spring 300 is driven to move downwards by the thread sleeve 400 in the mutual screwing process of the fastening sleeve 600 and the thread sleeve 400, the tension spring 300 is tensioned to generate tension, so that the top cover 100 is driven to press the sealing gasket 800, the self-sealing of the initial state is realized, clothes can be put into the whole machine at the moment, water enters the machine, and then the washing is started. And the inner tub can freely rotate. The water leakage phenomenon can not be generated. As shown in fig. 2.

The working principle of drainage is as follows: when the water is to be drained, the inner barrel realizes the position coincidence of the sealing structure and the driving mechanism 1000 through a positioning structure, at the moment, the output end of the driving mechanism 1000 is pressed against the column 102 of the top cover 100 to drive the top cover 100 to move upwards, and a gap is generated between the top cover 100 and the barrel bottom to realize the water drainage. At this time, the extension spring 300 is also extended to the maximum stroke. After the drainage is completed, the output terminal 1001 of the driving mechanism 1000 is retracted, and the top cover 100 re-seals the drainage hole by the tension spring 300. As shown in fig. 3.

The drainage sealing device of the embodiment adopts a conical design for the inner barrel and the sealing gasket, so that when clothes are gathered near the drainage outlet, the foreign matters can be more conveniently discharged under the impact of water flow and the gravity of the foreign matters. And is also favorable for preventing the accumulation of thread scraps in long-time operation.

In the embodiment, the top cover 100 is made into an umbrella-shaped structure, so that the space between the impeller and the bottom of the inner barrel is effectively utilized, and the defect of insufficient space between the inner barrel and the outer barrel is overcome. The sealing mechanism of the whole machine can be enabled to be jacked up to the maximum extent. The height of the opening amounts to 12 mm. Can effectively discharge the washing foreign matters such as buttons, hairpins, coins, thread scraps and the like out of the barrel.

Since the washing water flowing out through the drainage hole may enter the fastening sleeve 600 during drainage, and as time goes on, if thread scraps, dirt or impurities of the washing water enter the fastening sleeve 600, such as the tension spring 200, the washing water may affect the components inside the fastening sleeve 600, such that the components may not work normally, thereby affecting the normal resetting and sealing effects of the blocking component, therefore, in order to ensure the relative stability of the working environment of the components inside the fastening sleeve 600, the sealing mechanism described in this embodiment includes a sealing component, two ends of the sealing component are hermetically installed between the blocking component and the fixing component to form a sealed space, and the connecting component is disposed in the sealed space.

Preferably, the sealing member is a sealing threaded sleeve 1200, one end of the sealing threaded sleeve 1200 is connected with the top cover in a sealing manner, and the other end of the sealing threaded sleeve 1200 is connected with one end of the fastening sleeve close to the top cover in a sealing manner, so that a sealing space completely covering the tension spring sleeve 200 and the tension spring 300 is formed. The sealing threaded sleeve 1200 has a sealing effect, can stretch out and draw back along with the up-and-down movement of the top cover, is simple in structure and low in cost, and ensures the sealing performance of the working environment of the tension spring 300.

As an implementation manner of this embodiment, the washing machine includes a water collecting device 1100 disposed outside the inner tub, and the drainage sealing device further includes a driving mechanism 1000, the driving mechanism is mounted on the water collecting device and corresponds to the sealing mechanism, and the driving mechanism has an output end 1001 capable of extending and retracting up and down:

Preferably, the driving mechanism can select the structure of the water discharge valve.

The water collecting device 1000 of the embodiment is mainly used for collecting the drained water of the inner barrel 700 and discharging the drained water, and meanwhile, the water removed from the inner barrel 700 is collected and discharged, so that the water collecting device 1000 can be an outer barrel and also can be a basin-mounted structure with a water collecting cavity, the volume of the inner barrel in the same shell can be increased, and the capacity expansion effect is achieved.

The output end 1001 of the driving device of this embodiment is a telescopic rod, and the telescopic rod can extend into the fastening sleeve 600 to jack up the top cover 100.

This embodiment provides a washing machine simultaneously, including the inner tub, the wash port is seted up to the bottom of inner tub, the bottom installation drainage sealing device of inner tub, including can with the sealed complex sealing mechanism of wash port:

The washing machine of this embodiment can realize that the bucket is anhydrous, has solved the easy contaminated problem in region between interior bucket and the outer bucket, and the washing machine of this embodiment can realize double dynamical laundry, promotes the laundry effect, satisfies the user and washes clothes the requirement.

The interior bucket of this embodiment is interior bucket for the sclausura, and except that before the upper portion sets up the round dehydration hole on the bucket wall of interior bucket of this embodiment, other all are closed, preferably, the dehydration hole sets up in bucket mouthful department, and after the last equalizer ring of installation of interior bucket mouthful, the equalizer ring can hide the dehydration hole, realizes looking the sclausura interior bucket structure in the sense.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The drainage sealing device of the washing machine is characterized by comprising an inner barrel, wherein a drainage hole is formed in the bottom of the inner barrel, the drainage sealing device is installed at the bottom of the inner barrel and comprises a sealing mechanism which can be in sealing fit with the drainage hole:

2. The drain sealing device of a washing machine according to claim 1, wherein the sealing mechanism comprises a plugging member, a connecting member and a fixing member, the fixing member is fixedly installed at the bottom of the inner tub, the connecting member is installed on the fixing member in a relatively sliding manner, and the connecting member is simultaneously connected with the plugging member to drive the plugging member to move, so that the plugging member is sealed and separated from the drain hole.

3. A drain sealing device of a washing machine according to claim 2, characterized in that the fixing member has a hollow slide, one end of the connecting member is slidably disposed in the hollow slide of the fixing member, and the other end extends out to connect with the blocking member; the connecting part slides in the hollow slideway in a reciprocating way along the axial direction to drive the plugging part to be sealed and separated from the drain hole.

4. A drain sealing device of a washing machine according to claim 2 or 3, characterized in that the sealing mechanism comprises an elastic member, one end of the elastic member is connected with the fixing member, the other end is connected with the blocking member or the connecting member, the elastic member deforms when the connecting member slides to a state that the blocking member is separated from the drain hole, so as to realize elastic reset sealing of the blocking member;

5. The water drainage sealing device of the washing machine as claimed in claim 4, wherein the elastic member is a tension spring, the connecting member is a tension spring sleeve with a hollow inner portion, the fixing member comprises a threaded sleeve with a hollow inner portion, the tension spring sleeve is slidably sleeved in the threaded sleeve, the tension spring sleeve is sleeved in the tension spring sleeve, one end of the tension spring is connected with the threaded sleeve, and the other end of the tension spring is connected with the tension spring sleeve or the plugging member.

6. A drain sealing device of a washing machine according to claim 5, characterized in that one end of the tension spring has a first connecting part extending along the circumferential direction, and the other end has a second connecting part; the outer wall of the threaded sleeve is provided with a clamping groove used for being in limiting clamping connection with a first connecting part of the tension spring, an avoiding through groove used for avoiding the first connecting part when the tension spring pipe slides is arranged at one end of the tension spring pipe corresponding to the clamping groove, the other end of the tension spring pipe is provided with a limiting convex ring, and a second connecting part of the tension spring extends to a position between the limiting convex ring and the plugging part and is clamped and fixed;

7. The drain sealing device of the washing machine according to claim 5 or 6, wherein the fixing member comprises a fastening sleeve, the fastening sleeve is in threaded connection with the threaded sleeve, and the tension spring is driven to move by the threaded fastening connection between the fastening sleeve and the threaded sleeve so as to adjust the pre-tightening force applied to the plugging member by the tension spring and perform self-sealing of the plugging member;

8. A drain sealing device of a washing machine according to any one of claims 2-7, characterized in that the blocking member comprises a top cover, the upper end surface of the top cover is a circular arc surface, and the lower end surface of the top cover is provided with a sealing part which is matched with the drain hole in a sealing way; one end of the connecting part is fixedly connected with the center of the lower end face of the top cover;

9. A drain sealing device of a washing machine according to any of claims 2-7, characterized in that the sealing mechanism comprises a sealing member, both ends of the sealing member are sealed and installed between the blocking member and the fixing member to form a sealed space, and the connecting member is arranged in the sealed space;

10. A drain sealing device for a washing machine according to any one of claims 2-9, wherein the washing machine comprises a water collection device disposed outside the inner tub, the drain sealing device further comprising a driving mechanism mounted on the water collection device corresponding to the sealing mechanism, the driving mechanism having an output end capable of extending and retracting up and down:

11. The washing machine is characterized by comprising an inner barrel, wherein a drain hole is formed in the bottom of the inner barrel, a drainage sealing device is installed at the bottom of the inner barrel, and the washing machine comprises a sealing mechanism which can be in sealing fit with the drain hole: