CN110905767A

CN110905767A - Vibration reduction assembly, compressor and air conditioner

Info

Publication number: CN110905767A
Application number: CN201911120491.2A
Authority: CN
Inventors: 杨俊涛; 高智强; 梁博; 刘江驰; 吴俊鸿; 陈骏达; 夏增强; 程诗; 吴梦芸; 刘永春
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-03-24
Anticipated expiration: 2039-11-15
Also published as: CN110905767B

Abstract

The invention provides a vibration reduction assembly, a compressor and an air conditioner, wherein the vibration reduction assembly comprises: the axial end of the positioning support component is contacted with the chassis, and the other end of the positioning support component is contacted with a footing of the compressor; the elastic piece is sleeved on the outer side of the positioning support assembly, and the inner diameter of the elastic piece is larger than the outer diameter of the positioning support assembly. The vibration reduction assembly provided by the invention is suitable for vibration reduction installation of the compressor, the elastic part in the vibration reduction assembly is arranged on the outer side of the positioning support part at a certain distance, the elastic part is provided with a space capable of freely vibrating in the horizontal direction, and the vibration reduction assembly can effectively attenuate the vibration energy in the tangential direction of the torsion of the compressor while attenuating the vibration energy of the compressor.

Description

Vibration reduction assembly, compressor and air conditioner

Technical Field

The invention belongs to the technical field of compressors, and particularly relates to a vibration reduction assembly, a compressor and an air conditioner.

Background

In an air conditioning system, in order to reduce vibration energy when a compressor is operated, a rubber foot pad is generally installed at a base of the compressor. As shown in FIG. 1, a positioning bolt 1 is riveted or spot-welded to a base plate 2 of an air conditioner outdoor unit, a rubber foot pad 3 is sleeved on the positioning bolt 1, an L-shaped base 41 of a compressor 4 is sleeved in a groove at the upper end of the rubber foot pad 3, and the upper end of the positioning bolt 1 is fixed through a nut 5. However, the damping effect of the rubber foot pad is mainly reflected in the vertical pulling and pressing direction, the damping effect in the torsional shearing direction is not good, and the vibration energy is mainly reflected in the torsional direction because the compressor is a rotating machine. Therefore, there is a need to optimize existing vibration damping structures.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is that the vibration reduction effect of the existing vibration reduction structure on the torsional shearing direction of the compressor is poor, so that the vibration reduction assembly, the compressor and the air conditioner are provided.

In order to solve the above problems, the present invention provides a vibration damping module comprising:

the axial end of the positioning support component is contacted with the chassis, and the other end of the positioning support component is contacted with a footing of the compressor;

the elastic piece is sleeved on the outer side of the positioning support assembly, and the inner diameter of the elastic piece is larger than the outer diameter of the positioning support assembly.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

Preferably, the positioning support assembly comprises a first boss and a second boss, the first boss is arranged at the end part of the positioning support assembly adjacent to the chassis, the second boss is arranged at the end part of the positioning support assembly adjacent to the base foot, and the elastic piece is arranged between the first boss and the second boss.

Preferably, the positioning support component comprises a first component and a second component which are axially arranged, and the first component and the second component are axially slidably sleeved.

Preferably, the first component and the second component are sleeved in a snap-on type in an axially slidable manner.

Preferably, the periphery wall of second subassembly is equipped with at least one protruding structure, and the internal perisporium of first subassembly is equipped with corresponding groove structure, and protruding structure and groove structure cooperate, realize cup jointing of first subassembly and second subassembly.

Preferably, the number of the convex structures is at least two, the at least two convex structures are uniformly arranged along the outer peripheral wall of the second component, the number of the groove structures is at least two, and the at least two groove structures are arranged along the inner peripheral wall of the first component and correspond to the convex structures.

Preferably, the groove structure is a through groove extending through a circumferential wall of the first component, and/or the groove structure has a specific length in an axial direction of the first component.

Preferably, the first assembly is provided with a first through hole which penetrates through the first assembly along the axis, the second assembly is provided with a second through hole which penetrates through the second assembly along the axis, and the positioning bolt sequentially penetrates through the first through hole and the second through hole.

Preferably, the inner diameter of the first through hole is larger than the outer diameter of the positioning bolt, and the inner wall of the first through hole is not in contact with the positioning bolt.

Preferably, the positioning support assembly is provided with at least one third boss, the outer diameter of the at least one third boss is equal to the inner diameter of the elastic part, and the elastic part is matched and positioned with the third boss.

Preferably, the third boss is one, and the third boss is arranged at the end of the positioning support assembly adjacent to the chassis.

A compressor employs any of the above vibration reduction assemblies.

An air conditioner employs any of the above vibration reduction assemblies.

The vibration reduction assembly, the compressor and the air conditioner provided by the invention at least have the following beneficial effects:

the vibration reduction assembly is suitable for vibration reduction installation of the compressor, the elastic part in the vibration reduction assembly is arranged on the outer side of the positioning support part at a certain distance, and the elastic part is provided with a space capable of freely vibrating in the horizontal direction, so that the vibration reduction assembly can effectively attenuate vibration energy in the tangential direction of the torsion of the compressor while attenuating vibration energy of the compressor.

Drawings

FIG. 1 is a schematic structural diagram of a prior art damping structure;

FIG. 2 is a schematic view of the assembly of the vibration reduction assembly and the compressor according to the embodiment of the present invention;

fig. 3 is an exploded view of a vibration damping assembly according to an embodiment of the present invention.

The reference numerals are represented as:

1. positioning the bolt; 2. a chassis; 3. a rubber foot pad; 4. a compressor; 41. a footing; 5. a nut; 6. positioning the support assembly; 9. an elastic member; 10. a first boss; 11. a second boss; 12. a first component; 13. a second component; 14. a raised structure; 15. a groove structure; 16. a third boss; 17. a first through hole; 18. a second through hole; 19. and a ring groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 2 to 3, an embodiment of the present invention provides a vibration damping module, including: a positioning support component 6, wherein one axial end of the positioning support component 6 is contacted with the chassis 2, and the other axial end is contacted with a footing 41 of the compressor 4; the elastic piece 9, the outside at the location supporting component 6 is established to the elastic piece 9 cover, and the internal diameter of elastic piece 9 is greater than the external diameter of location supporting component 6.

The vibration reduction assembly provided by the embodiment of the invention is suitable for vibration reduction installation of the compressor, the elastic part in the vibration reduction assembly is arranged on the outer side of the positioning support part at a certain distance, and a space which can freely vibrate in the horizontal direction is arranged for the elastic part, so that the elastic part has the tangential vibration attenuation capacity.

Preferably, the positioning and supporting member 6 may be made of soft material, preferably rubber. The elastic member 9 is of a spiral configuration, preferably a spring. The location supporting component 6 includes first boss 10, second boss 11, first boss 10 sets up the tip that location supporting component 6 and chassis 2 are adjacent, second boss 11 sets up the tip that is adjacent at location supporting component 6 and footing 41, elastic component 9 sets up at first boss 10, between the second boss 11, both provide axial location for elastic component 9 and fix, the upper end of elastic component 9 is retrained to first boss 10, the lower extreme of elastic component 9 is retrained to second boss 11, both functions prevent droing of elastic component 9.

Preferably, the positioning support assembly 6 comprises a first assembly 12 and a second assembly 13 which are axially arranged, and the first assembly 12 and the second assembly 13 are sleeved in a snap-fit manner in an axially slidable manner. In the pre-assembly mode, the first assembly, the second assembly 13 and the elastic part 9 limited by the first assembly and the second assembly form reliable restraint of clamping limitation, and particularly when the elastic part 9 is in a pre-pressing state, the elastic part is not easy to fall off and is convenient to transport.

Preferably, a scheme for realizing the snap-on sliding sleeve of the first component 12 and the second component 13 is provided, the outer peripheral wall of the second component 13 is provided with at least one protrusion structure 14, the inner peripheral wall of the first component 12 is provided with a corresponding groove structure 15, and the protrusion structure 14 is matched with the groove structure 15 to realize the sleeve of the first component 12 and the second component 13.

Preferably, the number of the protruding structures 14 is at least two, the at least two protruding structures 14 are uniformly arranged along the outer circumferential wall of the second assembly 13, the number of the groove structures 15 is at least two, and the at least two groove structures 15 are arranged along the inner circumferential wall of the first assembly 12 and correspond to the protruding structures 14, so that two or more clamping structures are formed, circumferentially symmetrical clamping force can be provided, and the reliability of the vibration damping assembly is improved.

Preferably, because first subassembly 12, second subassembly 13 are soft material preparation, in order to increase the block performance between them, the groove structure 15 of first subassembly 12 is for running through the logical groove of the perisporium of first subassembly 12 to protruding structure 14 can process great radial protrusion, and after the joint cooperation, protruding structure 14 stretches out in leading to the inslot, reaches firm axial spacing. Meanwhile, in order to satisfy the requirement that the first component 12 and the second component 13 slide relatively after being pressed axially, the groove structure 15 has a specific length along the axial direction of the second component 13, and the protrusion structure 14 can move along the axial direction of the groove structure 15 without constraint, so that the free vibration of the elastic member 9 in the vertical direction is ensured, and the attenuation of the vibration energy of the compressor in the vertical direction is increased.

Preferably, the first assembly 12 is provided with a first through hole 17 penetrating along the axis, the second assembly 13 is provided with a second through hole 18 penetrating along the axis, and the positioning bolt 1 sequentially passes through the first through hole 17 and the second through hole 18. The second through hole 18 is in clearance fit with the positioning bolt 1 to play a role in positioning the whole assembly in the horizontal direction, the inner diameter of the first through hole 17 is larger than the outer diameter of the positioning bolt 1, and the inner wall of the first through hole 17 is not in contact with the positioning bolt, so that the radial movement amount of the upper end of the positioning support assembly 6 during the operation of the compressor is ensured, and the vibration energy in the rotation direction of the compressor is increased and can be attenuated after being transmitted to the positioning support assembly 6.

On the other hand, the periphery of the upper end of the first component 12 is provided with the annular groove 19, the base 41 of the compressor 4 is installed in the annular groove 19, the first component 12 is in direct contact with the compressor 4, the vibration of the compressor 4 received by the first component is most direct and obvious, the first component 12 keeps a distance with the positioning bolt 1, the vibration energy at the upper end of the positioning support component 6 can be prevented from being transmitted to the chassis 2 through the positioning bolt 1 in direct contact with the chassis 2, and then the vibration noise of the whole machine is increased.

Preferably, since the elastic element 9 is kept a certain distance away from the positioning support assembly 6, at least one third boss 16 is provided on the positioning support assembly 6, the outer diameter of the at least one third boss 16 is equal to the inner diameter of the elastic element 9, the elastic element 9 is positioned in cooperation with the third boss 16, and the third boss 16 provides positioning fixation of the elastic element 9 in the horizontal direction. The third boss 16 may be disposed at any position in the axial direction of the positioning support member 6, that is, may be disposed on the first member 12 and/or the second member 13.

Preferably, the third boss 16 is one, and the third boss 16 is arranged on the end of the positioning support assembly 6 adjacent to the chassis 2, i.e. the second assembly 13, and since the vibration energy received by the vibration damping assembly comes from above (the end of the first assembly 12), the vibration energy received by the elastic member 9 will be larger if the third boss 16 is arranged on the first assembly 12.

A compressor 4 employs any of the above vibration reduction assemblies.

An air conditioner employs any of the above vibration reduction assemblies.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A vibration dampening assembly, comprising:

the positioning and supporting component (6), one axial end of the positioning and supporting component (6) is contacted with the chassis (2), and the other axial end of the positioning and supporting component is contacted with a footing (41) of the compressor (4);

elastic component (9), elastic component (9) cover is established the outside of location supporting component (6), just the internal diameter of elastic component (9) is greater than the external diameter of location supporting component (6).

2. The vibration damping assembly according to claim 1, characterized in that the positioning and supporting assembly (6) comprises a first boss (10) and a second boss (11), the first boss (10) is arranged at the end of the positioning and supporting assembly (6) adjacent to the chassis (2), the second boss (11) is arranged at the end of the positioning and supporting assembly (6) adjacent to the base foot (41), and the elastic member (9) is arranged between the first boss (10) and the second boss (11).

3. Damping assembly according to claim 1 or 2, characterized in that the positioning and supporting assembly (6) comprises a first assembly (12) and a second assembly (13) arranged axially, the first assembly (12) being axially slidably nested with the second assembly (13).

4. Damping assembly according to claim 3, characterized in that the first assembly (12) is axially slidably nested with the second assembly (13) in a snap-on manner.

5. Damping assembly according to claim 4, characterized in that the outer circumferential wall of the second assembly (13) is provided with at least one protruding structure (14), the inner circumferential wall of the first assembly (12) is provided with at least one corresponding groove structure (15), the protruding structure (14) and the groove structure (15) cooperate to realize the socket joint of the first assembly (12) and the second assembly (13).

6. The vibration damping assembly according to claim 5, characterized in that said protruding structures (14) are at least two, at least two protruding structures (14) being evenly arranged along the outer circumferential wall of said second assembly (13), said recessed structures (15) being at least two, at least two recessed structures (15) being arranged along the inner circumferential wall of said first assembly (12) in correspondence of said protruding structures (14).

7. Damping assembly according to claim 5, characterized in that the groove structure (15) is a through groove running through the circumferential wall of the second component (13) and/or that the groove structure (15) has a specific length in the axial direction of the second component (13).

8. Damping assembly according to claim 3, characterized in that the first assembly (12) is provided with a first through hole (17) passing through along the axis, the second assembly (13) is provided with a second through hole (18) passing through along the axis, and the positioning bolt (1) passes through the first through hole (17) and the second through hole (18) in sequence.

9. Damping assembly according to claim 8, characterized in that the inner diameter of the first through hole (17) is larger than the outer diameter of the positioning bolt (1), the inner wall of the first through hole (17) being free from contact with the positioning bolt (1).

10. Damping assembly according to any of claims 1, 2, 4-9, characterized in that the positioning support assembly (6) is provided with at least one third boss (16), the outer diameter of the at least one third boss (16) is equal to the inner diameter of the elastic member (9), and the elastic member (9) is positioned in cooperation with the third boss (16).

11. The damping assembly according to claim 10, characterized in that the third boss (16) is one, the third boss (16) being provided at the end of the positioning support assembly (6) adjacent to the chassis (2).

12. A compressor, characterized in that a vibration damping module according to any one of claims 1 to 11 is used.

13. An air conditioner characterized in that the vibration damping module according to any one of claims 1 to 11 is used.