CN210420570U - Balance ring sealing structure and washing machine - Google Patents

Abstract

The utility model belongs to the technical field of washing machine, a compensating ring seal structure and washing machine is disclosed, wherein, compensating ring seal structure includes compensating ring, sealing ring and sets up the butt structure on compensating ring and/or sealing ring, and on the compensating ring was located to the sealing ring cover for the seal installation of compensating ring, sealing ring and compensating ring passed through butt structural plane contact, and washing machine includes above-mentioned compensating ring seal structure. The utility model discloses in, through setting up the butt structure for realize the face contact between sealing ring and the compensating ring, compare in current structure, increased the area of contact between sealing ring and the compensating ring, thereby increased the frictional force between sealing ring and the compensating ring, can avoid equipment in the use effectively, the sealing ring drops from the compensating ring.

Description

Balance ring sealing structure and washing machine

Technical Field

The utility model relates to a washing machine technical field especially relates to a balanced ring seal structure and washing machine.

Background

Among the current washing machine, carry out sealing connection through the sealing ring between stabilizer ring and the staving, the cross-section of current sealing ring is circular, the suit is on the periphery of stabilizer ring, be line contact with the contact of stabilizer ring, in the assembling process, because of circular cross-section's the unable direction of differentiateing of sealing ring, produce certain distortion when the suit easily, during the follow-up use of equipment, under the effect of distortion's answer power, certain resilience can take place for the sealing ring, have certain inclination because of mould preparation and drawing of patterns design on the outer peripheral face of stabilizer ring, the resilience of sealing ring can lead to it to drop from the stabilizer ring, influence the security and the reliability of equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compensating ring seal structure and washing machine for sealing connection between compensating ring and the staving is more reliable.

To achieve the purpose, the utility model adopts the following technical proposal:

a gimbal ring seal structure, comprising:

a balance ring;

the sealing ring is sleeved on the balance ring and used for sealing and mounting the balance ring;

and the abutting structure is arranged on the balance ring and/or the sealing ring, and the sealing ring and the balance ring are in surface contact through the abutting structure.

Preferably, the abutting structure comprises a groove arranged on the balance ring, and when the sealing ring is sleeved on the balance ring, at least part of the sealing ring is attached to and clamped in the groove.

Preferably, the groove is an annular groove extending circumferentially along the balance ring.

Preferably, the abutting structure includes an abutting surface provided on the sealing ring, and when the sealing ring is fitted on the balancing ring, the abutting surface abuts against an outer peripheral surface of the balancing ring.

Preferably, the abutting surface is an annular surface extending in a circumferential direction of the balance ring.

Preferably, an included angle between one end of the abutting surface and the periphery of the sealing ring is smaller than an included angle between the other end of the abutting surface and the periphery of the sealing ring;

the balance ring is provided with a ring convex part, the sealing ring is attached to one side of the ring convex part when sleeved on the balance ring, and one end of the abutting surface with a smaller included angle faces away from the ring convex part.

Preferably, the abutment structure comprises a hooking portion provided on the sealing ring;

the balance ring is provided with a ring convex part, the sealing ring is sleeved on the balance ring and is attached to one side of the ring convex part, and the hook part is hooked on the ring convex part.

Preferably, the hook portion is an annular structure extending in a circumferential direction of the gimbal.

Preferably, the seal ring and the hook portion are integrally formed.

A washing machine comprises the balance ring sealing structure.

The utility model has the advantages that:

through setting up the butt structure for realize the face contact between sealing ring and the compensating ring, compare in current structure, increased the area of contact between sealing ring and the compensating ring, thereby increased the frictional force between sealing ring and the compensating ring, can avoid equipment in the use effectively, the sealing ring drops from the compensating ring.

Drawings

Fig. 1 is a schematic partial structural view of a seal structure of a gimbal according to a second embodiment of the present invention;

FIG. 2 is a schematic structural view of FIG. 1 with the tub omitted;

FIG. 3 is a schematic structural view of FIG. 2 with the sealing ring omitted;

fig. 4 is a schematic partial structural view of a seal structure of a gimbal according to a third embodiment of the present invention;

FIG. 5 is a schematic structural view of FIG. 4 with the tub omitted;

fig. 6 is a partial structural schematic view of a seal structure of a gimbal according to a fourth embodiment of the present invention;

fig. 7 is a partial structural schematic view of a sealing ring and a hooking portion in a gimbal seal structure according to the fourth embodiment of the present invention.

In the figure:

100. a balance ring; 101. ring convex part

200. A seal ring;

300. a barrel body;

1. a groove;

2. an abutting surface;

3. a hook portion.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example one

The present embodiment provides a balance ring sealing structure, which includes a balance ring 100, a seal ring 200, and an abutting structure disposed on the balance ring 100 and/or the seal ring 200. The sealing ring 200 is sleeved on the balance ring 100 and used for sealing the balance ring 100, the sealing ring 200 and the balance ring 100 are in surface contact through an abutting structure, and finally the sealing ring 200 is clamped between the balance ring 100 and the barrel body 300.

In the seal structure of the balance ring in this embodiment, by providing the abutting structure, a surface contact is realized between the seal ring 200 and the balance ring 100, and compared with the existing structure, the contact area between the seal ring 200 and the balance ring 100 is increased, so that the friction force between the seal ring 200 and the balance ring 100 is increased, and the seal ring 200 can be effectively prevented from falling off from the balance ring 100 in the use process of the device.

Example two

As shown in fig. 1 to fig. 3, on the basis of the first embodiment, the present embodiment provides a balance ring sealing structure, the abutting structure includes a groove 1 disposed on the balance ring 100, when the sealing ring 200 is sleeved on the balance ring 100, at least a portion of the sealing ring 200 abuts and is clamped in the groove 1, and finally the sealing ring 200 is clamped between the balance ring 100 and the barrel 300.

The cell wall of recess 1 matches with the partial outer wall that sealing ring 200 card was gone into, can butt each other, has increased the area of contact between sealing ring 200 and the compensating ring 100, and on this basis, recess 1 still has the card effect of solid to compensating ring 100, has restricted compensating ring 100's removal for compensating ring 100 is difficult to deviate from in recess 1.

Alternatively, the groove 1 is an annular groove extending along the circumferential direction of the balance ring 100, the inner side portion of the sealing ring 200 in the circumferential direction can be clamped in the groove 1 at the same time, and the annular arrangement of the groove 1 has a larger contact area with the sealing ring 200 and a better clamping effect on the sealing ring 200.

Besides the above annular grooves, the grooves 1 may also be a plurality of through grooves arranged at intervals along the circumferential direction of the balance ring 100, and when the seal ring 200 is fitted on the balance ring 100, parts of the seal ring are engaged with the through grooves at intervals of arc length in the circumferential direction.

As shown in figure 1, the groove 1 is an annular groove, the inner wall of the groove is arc-shaped and is matched with the outer wall of the sealing shape.

EXAMPLE III

As shown in fig. 4 and 5, in the first or second embodiment, the present embodiment provides a seal structure of a balancing ring, which includes an abutting surface 2 disposed on the sealing ring 200, when the sealing ring 200 is sleeved on the balancing ring 100, the abutting surface 2 abuts against an outer circumferential surface of the balancing ring 100, and finally the sealing ring 200 is interposed between the balancing ring 100 and the barrel body 300.

The abutting surface 2 is provided such that the seal ring 200 has a straight line in a section through which a line contact with the balance ring 100 is changed to a surface contact, compared to a seal ring having a circular section, thereby increasing a contact area between the seal ring 200 and the balance ring 100, and improving the structure of the seal ring 200 at a lower cost compared to changing the structure of the balance ring 100.

Alternatively, the abutment surface 2 is an annular surface extending along the circumferential direction of the balance ring 100 so that the inner side of the seal ring 200 can be integrally fitted to the outer wall of the balance ring 100. The annular arrangement of the abutting surface 2 makes the contact area with the balance ring 100 larger, and is more difficult to fall off.

Besides the above annular surfaces, the abutting surfaces 2 may also be a plurality of arc surfaces sequentially arranged along the circumferential direction of the balance ring 100 at intervals, when the seal ring 200 is sleeved on the balance ring 100, a part of the positions of the seal ring are attached to the balance ring 100 at intervals of an arc length in the circumferential direction, or a plurality of annular surfaces sequentially arranged along the axial direction of the balance ring 100 at intervals, and when the seal ring 200 is sleeved on the balance ring 100, a part of the positions of the seal ring is attached to the balance ring 100 at intervals of an arc length in the axial direction.

Optionally, an included angle between one end of the abutting surface 2 and the periphery of the sealing ring 200 is smaller than an included angle between the other end of the abutting surface 2 and the periphery of the sealing ring 200, the balancing ring 100 is provided with a ring protrusion 101, when the sealing ring 200 is sleeved on the balancing ring 100, the sealing ring abuts against one side of the ring protrusion 101, and the end of the abutting surface 2 with the smaller included angle is arranged back to the ring protrusion 101. With the above arrangement, the center of gravity of seal ring 200 is inclined toward torus 101, so that seal ring 200 is less likely to be separated from gimbal 100, and finally, tub 300 wraps seal ring 200 and torus 101 from the outside.

As shown in fig. 4, the abutting structure only comprises the abutting surface 2, the abutting surface 2 is an annular surface, and the outer wall structure of the balance ring 100 is complete. Besides, the abutting structure may further include a groove 1 and an abutting surface 2, in which a part of the sealing ring 200 is fitted in the groove 1, and the other part of the sealing ring has the abutting surface 2 fitted on the outer wall of the balancing ring 100.

Example four

As shown in fig. 6 and 7, in the first embodiment, the second embodiment or the third embodiment, the present embodiment provides a balance ring sealing structure, the abutting structure includes a hook portion 3 disposed on the sealing ring 200, the balance ring 100 is disposed with a ring protrusion 101, when the sealing ring 200 is sleeved on the balance ring 100, the sealing ring abuts against one side of the ring protrusion 101, the hook portion 3 abuts against the hook protrusion 101, and finally the barrel 300 wraps the sealing ring 200 and the ring protrusion 101 from the outside to press the sealing ring 200 and the hook portion 3.

The hook portion 3 is provided to increase the contact area between the balance ring 100 and the seal ring 200, and the ring protrusion 101 on the balance ring 100 is fully utilized, and the hook force is applied to the balance ring 100 by the ring protrusion 101, so that the seal ring 200 is less likely to be separated from the balance ring 100.

Alternatively, the hooking portion 3 is an annular structure extending along the circumferential direction of the balance ring 100, and is capable of turning up the ring protrusion 101, so that the seating of the seal ring 200 on the balance ring 100 is more reliable.

In addition to the above-mentioned ring structure, the hooking portion 3 may be a plurality of hooking blocks arranged at intervals along the circumferential direction of the balance ring 100, and when the seal ring 200 is fitted over the balance ring 100, a part of the positions thereof are hooked on the ring protrusion 101 at every arc length in the circumferential direction.

Specifically, in this embodiment, the sealing ring 200 and the hook portion 3 are integrally formed, have elasticity, and have better sealing effect, and can be integrally sleeved on the balance ring 100, so that the sleeve is more simple and convenient to install.

As shown in fig. 6, the abutting structure includes only the hook portion 3, and the hook portion 3 has a ring-shaped structure. Besides, the abutting structure may also include the hook portion 3 and the groove 1, or include the hook portion 3 and the abutting surface 2, or include the hook portion 3, the groove 1 and the abutting surface 2.

EXAMPLE five

The embodiment provides a washing machine, which comprises the balance ring sealing structure in any one of the embodiments.

In the washing machine of this embodiment, through setting up the butt structure for realize face contact between sealing ring 200 and the compensating ring 100, compare in current structure, increased the area of contact between sealing ring 200 and the compensating ring 100, thereby increased the frictional force when sealing ring 200 and compensating ring 100 relative movement, can avoid equipment in the use effectively, sealing ring 200 drops from compensating ring 100.

Specifically, the washing machine in the embodiment is a tub-free washing machine, and besides, it may be other types of washing machines, which are not described herein again.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A seal structure of a balance ring is characterized by comprising

A balance ring (100);

the sealing ring (200) is sleeved on the balance ring (100) and used for sealing and mounting the balance ring (100);

an abutment structure provided on the balance ring (100) and/or the seal ring (200), the seal ring (200) and the balance ring (100) being in surface contact through the abutment structure.

2. The gimbal seal structure of claim 1, wherein the abutting structure comprises a groove (1) disposed on the gimbal (100), and when the seal ring (200) is sleeved on the gimbal (100), the seal ring (200) is at least partially abutted and clamped in the groove (1).

3. The balance ring seal structure of claim 2, wherein the groove (1) is an annular groove extending circumferentially along the balance ring (100).

4. The gimbal ring seal structure of any of claims 1-3, wherein the abutting structure comprises an abutting surface (2) disposed on the seal ring (200), and when the seal ring (200) is sleeved on the gimbal ring (100), the abutting surface (2) abuts against the outer circumferential surface of the gimbal ring (100).

5. The balance ring seal structure of claim 4, wherein the abutment face (2) is an annular face extending circumferentially along the balance ring (100).

6. The gimbal ring seal structure of claim 4, wherein the angle between one end of the abutment surface (2) and the outer periphery of the sealing ring (200) is smaller than the angle between the other end of the abutment surface and the outer periphery of the sealing ring (200);

be provided with on compensating ring (100) and have ring convex part (101), sealing ring (200) cover is located when compensating ring (100) is gone up, paste in one side of ring convex part (101), the less one end of butt face (2) contained angle dorsad ring convex part (101) set up.

7. The gimbal ring seal structure of any of claims 1-3, wherein the abutment structure comprises a hook (3) provided on the sealing ring (200);

be provided with on compensating ring (100) and have ring convex part (101), sealing ring (200) cover is located when compensating ring (100) is gone up, paste in one side of ring convex part (101), hook portion (3) hook hang in on ring convex part (101).

8. The gimbal ring seal structure of claim 7, characterized in that the hook (3) is an annular structure extending circumferentially along the gimbal ring (100).

9. The gimbal ring seal structure of claim 7, wherein the seal ring (200) and the hook (3) are of an integrally formed structure.

10. A washing machine comprising the gimbal structure of any of claims 1-9.

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