CN113669398A

CN113669398A - Foot pad assembly, compressor and refrigerator

Info

Publication number: CN113669398A
Application number: CN202010411176.1A
Authority: CN
Inventors: 陈新杰
Original assignee: Anhui Meizhi Compressor Co Ltd
Current assignee: Anhui Meizhi Compressor Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-11-19
Anticipated expiration: 2040-05-15
Also published as: CN113669398B

Abstract

The invention provides a foot pad assembly, a compressor and a refrigerator, wherein the foot pad assembly comprises: the bushing is of a cylindrical structure; the cushion body is provided with a through hole, and the bushing is arranged in the through hole; the pad body includes: the through hole is formed in the pad body; the first limiting part is arranged on the inner wall of the through hole and abuts against the outer wall of the bushing; the second limiting part is arranged on the inner wall of the through hole and abuts against the bottom wall of the bushing. The invention provides a foot pad assembly, which comprises a lining and a pad body, wherein the pad body is provided with a through hole, the lining is positioned in the through hole, and the pad body comprises: the cushion comprises a cushion body, a first limiting part and a second limiting part, wherein the first limiting part is used for supporting the outer wall of the periphery of the bushing in the through hole, the second limiting part is used for supporting the end part of the bushing, the bushing is prevented from being inclined, the bushing is prevented from being touched by the cushion body and the bolt penetrating through the bushing, and the noise is reduced and the risk of resonance is caused.

Description

Foot pad assembly, compressor and refrigerator

Technical Field

The invention relates to the technical field of compressors, in particular to a foot pad assembly, a compressor and a refrigerator.

Background

In the related art, a hermetic reciprocating piston compressor includes a compressor casing equipped with a motor part and a compression mechanism part, and a support base plate is welded to a bottom of the compressor casing. The process of noise and vibration generation in the above-mentioned closed reciprocating piston compressor is as follows: after the compressor is powered on, the motor part inside the compressor casing starts to rotate, the motor part drives the compression mechanism part to work through operation, and the connecting rod of the compression mechanism part drives the piston to perform reciprocating linear motion through reciprocating rotation to perform a series of processes of sucking, compressing and discharging a refrigerant.

At this reciprocal in-process, compressor motor portion and compressing mechanism portion can produce the vibration, and the vibration transmits for compressor housing through inside base and pipeline, because the power of each pipeline is different, arouses the skew of four footing different degrees of compressor, and further the slope that arouses four callus on the sole, the antivibration bush of putting in the callus on the sole through-hole simultaneously can have the risk of contact callus on the sole through-hole inner wall and bolt, arouses resonant risk and increases.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

To this end, a first aspect of the present invention provides a footbed assembly.

A second aspect of the present invention provides a compressor.

A third aspect of the present invention provides a refrigerator.

An embodiment of a first aspect of the present invention provides a foot pad assembly, including: the bushing is of a cylindrical structure; the cushion body is provided with a through hole, and the bushing is arranged in the through hole; the pad body includes: the through hole is formed in the pad body; the first limiting part is arranged on the inner wall of the through hole and abuts against the outer wall of the bushing; the second limiting part is arranged on the inner wall of the through hole and abuts against the bottom wall of the bushing.

The invention provides a foot pad assembly, which comprises a lining and a pad body, wherein the pad body is provided with a through hole, the lining is positioned in the through hole, and the pad body comprises: the gasket comprises a gasket main body, a first limiting part and a second limiting part, wherein the bushing is arranged in a through hole of the gasket main body, the first limiting part supports the outer wall of the periphery of the bushing in the through hole, the second limiting part supports the end part of the bushing, and then the bushing is prevented from being inclined, so that the bushing can be kept upright even when the compressor is in a vibration state, the bushing is prevented from being touched by bolts penetrating through the bushing and the gasket main body, noise is reduced, and resonance risk is caused.

The foot pad assembly according to the above technical solution of the present invention may further have the following additional technical features:

on the basis of the technical scheme, further, the cushion body further comprises: and the third limiting part is arranged on the second limiting part and abuts against the inner wall of the bushing.

In this technical scheme, the pad body is still including setting up the spacing portion of third in the spacing portion of second, and the spacing portion of third offsets with the inner wall of bush, further restricts the bush, firmly fixes the bush in the through-hole of pad body, further avoids the slope of bush, further avoids bush and pad main part and wears to establish its inside bolt touching, further noise reduction and arouse resonant risk.

On the basis of any one of the above technical solutions, further, the first limiting part is annular; or a plurality of first limiting parts are arranged at intervals along the circumferential direction of the inner wall of the through hole; and/or the second limiting part is annular; and/or the third limiting part is annular.

In the technical scheme, the annular first limiting part can comprehensively limit the peripheral side of the bushing, so that the limiting effect on the first limiting part is ensured; the first limiting parts are arranged at intervals along the circumferential direction of the inner wall of the through hole, can also limit the circumferential side of the bushing, and can reduce the input of materials and save the cost; the annular second limiting part can comprehensively limit the bottom of the bushing, so that the limiting effect of the second limiting part is ensured; the annular third limiting part can be used for comprehensively limiting the inside of the bushing, and the limiting effect of the third limiting part is guaranteed.

On the basis of any one of the above technical solutions, further, the second limiting portion is located at one end of the cushion main body, the third limiting portion is disposed at an end portion of the second limiting portion, and the third limiting portion extends toward one side of the first limiting portion.

In this technical scheme, the spacing portion of second sets up in the one end of filling up the main part, avoids the spacing portion of second unsettled, and then can provide sufficient holding power for the bush, further avoids crooked of bush.

On the basis of any one of the above technical solutions, further, a groove is provided on the peripheral side of the outer surface of the pad body.

In this technical scheme, the pad main part passes through the recess and is connected with the compressor joint.

On the basis of any one of the above technical schemes, further, the pad body is a rubber pad body.

In this technical scheme, the rubber pad body has good damping effect to have certain elasticity, can promote the joint strength of bush and pad body.

On the basis of any one of the above technical solutions, further, the axial dimension of the first limiting portion ranges from 0.5mm to 1mm along the axial direction of the through hole; and/or the radial dimension of the first limiting part along the radial direction of the through hole ranges from 0.5mm to 1 mm; and/or the axial size of the second limiting part ranges from 0.5mm to 1mm along the axial direction of the through hole; and/or the axial size of the third limiting part ranges from 0.5mm to 1mm along the axial direction of the through hole; and/or the radial dimension of the second limiting part ranges from 2mm to 3mm along the radial direction of the through hole.

In this technical scheme, through the size of rationally setting up first spacing portion, the spacing portion of second and the spacing portion of third, can guarantee the intensity of first spacing portion, the spacing portion of second and the spacing portion of third to guarantee the supporting effect of first spacing portion, the spacing portion of second and the spacing portion of third to the bush.

On the basis of any one of the above technical schemes, further, the height of the cushion body ranges from 14mm to 17 mm; and/or the diameter of the through hole ranges from 9mm to 13 mm.

In the technical scheme, the size of the cushion body is reasonably set, so that the integral installation position of the compressor can be ensured, and the amplitude transmission of the compressor is reduced; through the reasonable size that sets up the through-hole, can guarantee the installation of bush.

An embodiment of the second aspect of the present invention provides a compressor, including: a compressor main body; a plurality of callus on the sole subassembly as any one of above-mentioned technical scheme proposes, the callus on the sole subassembly is located the compressor main part.

The compressor provided by the invention comprises the foot pad assembly provided by any one of the above technical solutions, so that the compressor has all the advantages of the foot pad assembly provided by any one of the above technical solutions, and the advantages are not stated in any one detail here.

An embodiment of a third aspect of the present invention provides a refrigerator, including: a refrigerator main body; according to the compressor provided by any one of the technical schemes, the compressor is arranged on the refrigerator main body.

The refrigerator provided by the invention comprises the compressor provided by any one of the above technical solutions, so that all the beneficial effects of the compressor provided by any one of the above technical solutions are achieved, and the description is omitted.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 illustrates a schematic view of a footbed assembly provided by the present invention;

FIG. 2 is a schematic diagram illustrating another perspective view of a mat assembly provided by the present invention;

FIG. 3 illustrates a schematic structural view of a cushion body in a footbed assembly provided by the present invention;

FIG. 4 illustrates a cross-sectional view of a pad body provided by the present invention;

FIG. 5 illustrates a cross-sectional view of a footpad assembly provided in accordance with the present invention;

FIG. 6 shows an enlarged partial view of the foot pad assembly A shown in FIG. 5;

fig. 7 shows an enlarged view of a portion of the foot pad assembly B as shown in fig. 5.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:

100 foot pad components, 110 bushings, 120 pad bodies, 122 pad main bodies, 124 first limiting parts, 126 second limiting parts, 128 third limiting parts, 130 through holes and 132 grooves.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A foot pad assembly 100, a compressor, and a refrigerator provided according to some embodiments of the present invention will be described below with reference to fig. 1 to 7.

Example 1:

as shown in fig. 1-7, a footbed assembly 100 is provided in accordance with a first aspect of the present invention, and includes: the bushing 110 and the pad body 120; wherein, the bushing 110 is a cylindrical structure, and the inside of the bushing can be provided with connecting pieces such as bolts; the cushion body 120, the cushion body 120 has a through hole 130, and the bushing 110 is disposed in the through hole 130. Further, the pad body 120 includes: the pad comprises a pad body 122, and a first limiting portion 124 and a second limiting portion 126 which are arranged on the pad body 122, wherein the first limiting portion 124 and the second limiting portion 126 are positioned in a through hole 130, the first limiting portion 124 abuts against the outer wall of the peripheral side of the bushing 110, and the second limiting portion 126 is limited by the bottom wall of the bushing 110.

The foot pad assembly 100 provided by the invention comprises a bushing 110 and a pad body 120, wherein the pad body 120 is provided with a through hole 130, the bushing 110 is positioned in the through hole 130, and the pad body 120 comprises: the gasket body 122, the first limit part 124 and the second limit part 126, the bushing 110 is arranged in the through hole 130 of the gasket body 122, the first limit part 124 provides support for the outer wall of the periphery of the bushing 110 in the through hole 130, the second limit part 126 provides support for the end part of the bushing 110, the deflection of the bushing 110 is avoided, the position of the bushing is kept right, vibration caused by contact between the bushing 110 and the inner wall of the through hole 130 and a bolt is avoided, vibration transmission from the compressor to the bottom plate is further reduced, noise of humming sound generated by resonance of the compressor and a refrigerator box body is further avoided, and the noise of the whole refrigerator system can be effectively reduced.

Example 2:

as shown in fig. 3 to 7, in addition to embodiment 1, the cushion body 120 further includes: the third position-limiting portion 128, the third position-limiting portion 128 is disposed on the second position-limiting portion 126, and the third position-limiting portion 128 abuts against the inner wall of the bushing 110.

In this embodiment, the cushion body 120 further includes a third limiting portion 128 disposed on the second limiting portion 126, the third limiting portion 128 abuts against an inner wall of the bushing 110, so as to further limit the bushing 110, and firmly fix the bushing 110 in the through hole 130 of the cushion body 120, further avoid the inclination of the bushing 110, further avoid the contact between the bushing 110 and the cushion main body 122 and the bolt penetrating through the inside thereof, and further reduce noise and the risk of causing resonance.

Example 3:

on the basis of embodiment 1 or embodiment 2, further, as shown in fig. 2 to 5, the first stopper portion 124 is annular; or a plurality of first stoppers 124 are arranged at intervals along the circumferential direction of the inner wall of the through-hole 130.

In this embodiment, the annular first limiting portion 124 can limit the circumferential side of the bushing 110 completely, so as to ensure the limiting effect of the first limiting portion 124; the first position-limiting portions 124 are arranged at intervals along the circumferential direction of the inner wall of the through hole 130, and also can provide position limitation for the circumferential side of the bushing 110, and the material investment can be reduced, thereby saving the cost.

The first limiting parts 124 are disposed in the through holes 130 at regular intervals, and the specific number may be 3, 4, 5, 10, 11, 12, and the like.

Example 4:

in addition to any one of embodiments 1 to 3, as shown in fig. 2 to 5, the second limiting portion 126 is annular.

In this embodiment, the annular second limiting portion 126 can limit the bottom of the bushing 110 completely, so as to ensure the limiting effect of the second limiting portion 126.

Example 5:

in addition to any one of embodiments 1 to 4, as shown in fig. 2 to 5, the third position-limiting portion 128 is annular.

In this embodiment, the annular third position-limiting portion 128 can perform a comprehensive position-limiting function on the inside of the bushing 110, so as to ensure the position-limiting effect of the third position-limiting portion 128.

Example 6:

as shown in fig. 4, in addition to any one of embodiments 1 to 5, the third stopper portion 128 further forms an annular outer diameter W1 smaller than the annular inner diameter W2 formed by the first stopper portion 124.

In this embodiment, the outer diameter W1 of the ring surrounded by the third position-limiting portion 128 is smaller than the inner diameter W2 of the ring surrounded by the first position-limiting portion 124, so that when the bushing 110 is installed, the inner wall of the bushing 110 can naturally abut against the third position-limiting portion 128, and the outer wall of the bushing abuts against the first position-limiting portion 124, so as to facilitate the installation of the bushing 110 and the cushion body 120, so that the installation of the bushing and the cushion body does not need to use excessive force, and the first position-limiting portion 124 or the third position-limiting portion 128 is prevented from generating large deformation.

Example 7:

as shown in fig. 3, 4, and 5, in addition to any one of embodiments 2 to 6, the second limiting portion 126 is located at one end of the pad main body 122, the third limiting portion 128 is disposed at an end portion of the second limiting portion 126, and the third limiting portion 128 extends toward the first limiting portion 124.

In this embodiment, the second position-limiting portion 126 is disposed at one end of the pad body 122 to prevent the second position-limiting portion 126 from being suspended, so as to provide sufficient supporting force for the bushing 110 and further prevent the bushing 110 from being tilted.

Example 8:

as shown in fig. 2 to 5, in addition to any one of embodiments 1 to 7, further, a groove 132 is provided on the peripheral side of the outer surface of the pad main body 122.

In this embodiment, the outer surface of the pad main body 122 is provided with a groove 132 for fitting with the compressor main body, specifically, the bottom of the compressor main body is provided with a mounting hole, and the groove 132 of the pad main body 122 is snapped into the mounting hole, thereby realizing the mounting and fixing of the pad main body 122 and the compressor main body.

Example 9:

in addition to any one of embodiments 1 to 8, the pad body 120 is a rubber pad body.

In this embodiment, the rubber pad body has a good vibration damping effect and a certain elasticity, and can fully wrap the bushing 110, thereby improving the connection strength between the bushing 110 and the pad body 120.

Example 10:

as shown in fig. 6, in addition to any one of embodiments 1 to 9, further, the axial dimension C2 of the first stopper portion 124 ranges from 0.5mm to 1mm in the axial direction of the through hole 130.

In this embodiment, by properly setting the axial dimension C2 of the first limiting portion 124, the material is saved while the limitation of the bushing 110 is ensured.

Specifically, the axial dimension C2 of the first stopper portion 124 may be, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1 mm.

Example 11:

as shown in fig. 6, in addition to any one of embodiments 1 to 10, further, the radial dimension C1 of the first stopper portion 124 ranges from 0.5mm to 1mm along the radial direction of the through hole 130.

In this embodiment, by properly setting the radial dimension C1 of the first limiting portion 124, the material is saved while the limitation of the bushing 110 is ensured.

Specifically, the radial dimension C1 of the first stopper portion 124 may be, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1 mm.

Example 12:

as shown in fig. 7, in addition to any one of embodiments 1 to 11, further, the axial dimension C3 of the second stopper portion 126 ranges from 0.5mm to 1mm in the axial direction of the through hole 130.

In this embodiment, by reasonably setting the axial dimension C3 of the second limiting portion 126, the material is saved while ensuring the limiting and sufficient damping effect on the bushing 110.

Specifically, the axial dimension C3 of the second stopper portion 126 may be, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1 mm.

Example 13:

as shown in fig. 7, in addition to any one of embodiments 2 to 12, further, the axial dimension C4 of the third stopper portion 128 ranges from 0.5mm to 1mm in the axial direction of the through hole 130.

In this embodiment, by properly setting the axial dimension C4 of the third limiting portion 128, the material is saved while the limitation of the bushing 110 is ensured.

Specifically, the axial dimension C4 of the third stopper portion 128 may be, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1 mm.

Example 14:

as shown in fig. 7, in addition to any one of embodiments 1 to 13, further, the radial dimension C5 of the second stopper portion 126 along the radial direction of the through hole 130 ranges from 2mm to 3 mm.

In this embodiment, by reasonably setting the radial dimension C5 of the second limiting portion 126, the material is saved while the setting position of the third limiting portion 128 is ensured.

Specifically, the radial dimension C5 of the second stopper portion 126 may be 2mm, 2.1mm, 2.3mm, 2.4mm, 2.6mm, 2.8mm, 2.9mm, 3 mm.

Example 15:

as shown in fig. 4, in addition to any one of embodiments 1 to 14, the height H of the pad body 120 ranges from 14mm to 17 mm.

In this embodiment, the size of the pad body 120 is reasonably set, so that the installation position of the whole compressor can be ensured, and the transmission of the amplitude of the compressor is reduced.

Example 16:

as shown in fig. 4, in addition to any one of embodiments 1 to 15, the diameter D of the through hole 130 ranges from 9mm to 13 mm.

In this embodiment, the installation of the bush 110 can be ensured by appropriately setting the size of the through hole 130.

Specifically, the through-hole 130 may be divided into a plurality of sections, each of which has a different diameter D.

Example 17:

the invention provides a foot pad assembly 100 for a reciprocating compressor, wherein a pad body 120 can limit a vibration-proof bushing, the vibration-proof bushing can be well limited to be positioned rightly, vibration caused by contact of the bushing 110 and the inner wall of a through hole 130 of the pad body 120 and/or a bolt is avoided, and the resonance risk is reduced.

A footpad assembly 100 in accordance with an embodiment of the present invention includes: a rubber pad (rubber pad body), and a vibration-proof bush (bush 110). The rubber pad body has a through hole 130, the upper end and the lower end of the rubber pad body are provided with annular limiting structures (a first limiting part 124, a second limiting part 126 and a third limiting part 128), the anti-vibration bushing is of a cylindrical structure, and the inner and outer diameter dimensions of the anti-vibration bushing are jointly restricted by the limiting structures.

Further, the height H of the rubber pad is 14mm to 17 mm.

Further, the diameter D of the rubber pad through hole 130 is 9mm to 13 mm.

Further, a circular first limiting portion 124 is disposed at the upper end of the rubber pad body near the head, and a circular second limiting portion 126 and a circular third limiting portion 128 are disposed at the lower end of the rubber pad body.

Furthermore, a circular first limiting part 124 is arranged at the upper end of the rubber pad body close to the head, the axial size C2 of the first limiting part is 0.5mm to 1mm, and the radial size C1 of the first limiting part is 0.5mm to 1 mm.

Further, the lower end of the rubber pad body is provided with a circular second limiting portion 126 and a third limiting portion 128, and the outer diameter of the third limiting portion 128 is smaller than the inner diameter of the first limiting portion 124, so that the anti-vibration bush can be conveniently put in.

Further, the lower end of the rubber pad body is provided with a second limiting part 126 and a third limiting part 128 which are circular in shape, the axial size C3 of rubber at the bottom of the second limiting part 126 is 0.5mm to 1mm, the radial size C5 of the second limiting part 126 is 2mm to 3mm, and the axial size C4 of the third limiting part 128 is 0.5mm to 1 mm.

Further, the vibration-proof bush is a cylindrical structure, and the inner and outer diameter dimensions thereof are constrained by the first stopper portion 124 and the third stopper portion 128 in common.

In the related art, when the reciprocating compressor is matched with the refrigerator system, the four foot pad assemblies 100 of the compressor are deviated to different degrees due to different forces of the respective pipes, and further, the four foot pad assemblies 100 are inclined, and at the same time, the vibration-proof bush placed in the foot pad through hole 130 may have a risk of contacting the inner wall of the foot pad through hole 130 and the bolt, causing an increased risk of resonance.

In the foot pad assembly 100, the vibration-proof bushing can be well limited by the pad body 120, so that the position of the vibration-proof bushing is correct, and the vibration caused by the contact between the bushing 110 and the inner wall of the through hole 130 of the pad body 120 and the bolt is avoided, so that the vibration transmission from the compressor to the bottom plate is further reduced, the noise of buzzing sound generated by the resonance of the compressor and the refrigerator box body is further avoided, and the noise of the whole refrigerator system can be effectively reduced.

Example 18:

in a second aspect, an embodiment of the present invention provides a compressor, including: a compressor main body; a plurality of foot pad assemblies 100 as provided in any of the above embodiments, the foot pad assemblies 100 being provided to the compressor body.

The compressor provided by the present invention, including the foot pad assembly 100 provided in any of the above embodiments, therefore, has all the advantages of the foot pad assembly 100 provided in any of the above embodiments, which are not stated herein.

Specifically, one compressor may match 3, 4, 6, 8, etc. foot pad assemblies 100. Wherein the foot pad assembly 100 is disposed at the bottom of the compressor housing.

Specifically, the bottom of the compressor body is provided with a mounting hole, and the foot pad assembly 100 is clamped in the mounting hole through the groove 132 of the pad body 122.

Example 19:

an embodiment of a third aspect of the present invention provides a refrigerator, including: a refrigerator main body; according to the compressor provided by any one of the embodiments, the compressor is arranged on the refrigerator main body.

The refrigerator provided by the invention comprises the compressor provided by any embodiment, so that all the beneficial effects of the compressor provided by any embodiment are achieved, and the description is omitted.

Specifically, the compressor is mounted on the refrigerator by passing a bolt through the bushing 110, and the second stopper 126 is disposed between the bushing 110 and the refrigerator, so that the transmission of vibration of the compressor can be further reduced.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A footbed assembly, comprising:

a bushing having a cylindrical configuration;

the gasket comprises a gasket body, a gasket body and a gasket, wherein the gasket body is provided with a through hole, and the bushing is arranged in the through hole;

the pad body includes:

the pad main body is provided with the through hole;

the first limiting part is arranged on the inner wall of the through hole and abuts against the outer wall of the bushing;

the second limiting part is arranged on the inner wall of the through hole, and the second limiting part is abutted to the bottom wall of the bushing.

2. The footpad assembly of claim 1, wherein the pad body further comprises:

and the third limiting part is arranged on the second limiting part and abuts against the inner wall of the bushing.

3. The footpad assembly of claim 2,

the first limiting part is annular; or

The first limiting parts are arranged at intervals along the circumferential direction of the inner wall of the through hole; and/or

The second limiting part is annular; and/or

The third limiting part is annular.

4. The footpad assembly of claim 2,

the second limiting part is positioned at one end of the pad main body, the third limiting part is arranged at the end part of the second limiting part, and the third limiting part extends to one side of the first limiting part.

5. The footpad assembly of any one of claims 1 to 4,

the periphery of the outer surface of the pad main body is provided with a groove.

6. The footpad assembly of any one of claims 1 to 4,

the pad body is a rubber pad body.

7. The footpad assembly of any one of claims 2 to 4, wherein,

the axial size of the first limiting part ranges from 0.5mm to 1mm along the axial direction of the through hole; and/or

The radial size of the first limiting part ranges from 0.5mm to 1mm along the radial direction of the through hole; and/or

The axial size of the second limiting part ranges from 0.5mm to 1mm along the axial direction of the through hole; and/or

The axial size of the third limiting part ranges from 0.5mm to 1mm along the axial direction of the through hole; and/or

Along the through-hole is radial, the value range of the radial dimension of second spacing portion is 2mm to 3 mm.

8. The footpad assembly of any one of claims 1 to 4,

the height of the pad body ranges from 14mm to 17 mm; and/or

The diameter of the through hole ranges from 9mm to 13 mm.

9. A compressor, comprising:

a compressor main body;

a plurality of foot pad assemblies according to any one of claims 1 to 8, provided to the compressor body.

10. A refrigerator, characterized by comprising:

a refrigerator main body;

the compressor of claim 9, provided to the refrigerator main body.