CN214788812U

CN214788812U - Shock pad for electric compressor

Info

Publication number: CN214788812U
Application number: CN202120097603.3U
Authority: CN
Inventors: 吴雷波; 陈代荣; 黄平刚; 李浩亮; 白世伟; 李乐怡; 张小燕; 李佳军; 涂湾
Original assignee: Dongfeng Automobile Co Ltd
Current assignee: Dongfeng Automobile Co Ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-11-19
Anticipated expiration: 2031-01-14

Abstract

A shock pad for an electric compressor comprises an upper stud, a first metal gasket, a rubber pad, a second metal gasket and a lower stud. The upper end of the rubber pad is connected with an upper fixing part, and the upper fixing part is of an integrated structure formed by an upper stud and a first metal gasket; the lower end of the rubber pad is connected with the lower fixing part, and the lower fixing part is of an integrated structure formed by the lower stud and the second metal gasket. The upper fixing part and the upper end of the rubber pad are vulcanized into a whole, and the lower fixing part and the lower end of the rubber pad are vulcanized into a whole. The shock pad has the advantages of simple structure, convenience in installation, maintenance and repair, reduction in the production cost of the shock pad, good shock absorption function and capability of effectively improving the overall shock resistance of the electric compressor.

Description

Shock pad for electric compressor

Technical Field

The utility model relates to a shock-absorbing structure especially relates to a shock pad for electric compressor, the concretely is applicable to automotive compressor shock attenuation technical field.

Background

At present stage, the electric compressor that the car used adopts two-stage shock pad more, including last shock pad and lower shock pad, it is the stud formula to go up the shock pad, locates respectively to increase the stopper in stud, the shock pad is sheath formula shock pad down, and the upper and lower surface is metal gasket, and the shock absorber support is connected the back with the rubber pad, is connected to the automobile body after compressing tightly the sheath through the bolt, reduces the vibrations that the compressor produced at the operation in-process through last shock pad and lower shock pad.

Although current shock pad can promote compressor shock attenuation level, realizes the two-stage shock attenuation, and reinforcing shock attenuation effect reduces the noise of operation in-process simultaneously, improves compressor operating efficiency and life, promotes personnel's comfort level by bus, but its still has following defect:

1. the double-headed bolt type damping pad has no damping effect on the vibration in the horizontal direction.

2. The two-stage damping structure increases the production cost.

Disclosure of Invention

The utility model aims at overcoming the comparatively complicated problem of shock pad mounting process who exists among the prior art, providing a simple structure, simple to operate's electric compressor's shock pad.

In order to achieve the above purpose, the technical solution of the utility model is that:

a cushion for an electric compressor, the cushion comprising a rubber pad, an upper fixing portion and a lower fixing portion; the upper end of the rubber pad is connected with the upper fixing part, and the lower end of the rubber pad is connected with the lower fixing part.

The upper fixing part and the upper end of the rubber pad are vulcanized into a whole, and the lower fixing part and the lower end of the rubber pad are vulcanized into a whole.

The rubber pad is cylindrical structure, the rubber pad diameter reduces from upper and lower both ends to the centre gradually.

The upper fixing part comprises an upper stud and a first metal gasket which are of an integral structure, and the first metal gasket is sleeved on the upper stud; the lower fixing part comprises a lower stud and a second metal gasket which are of an integral structure, and the second metal gasket is sleeved on the lower stud.

An upper annular boss is arranged at the upper end edge of the rubber gasket, and the inner side of the upper annular boss and the side part of the first metal gasket are vulcanized into a whole; the edge of the lower end of the rubber pad is provided with a lower annular boss, and the inner side of the lower annular boss and the lateral part of the second metal gasket are vulcanized into a whole.

The first metal gasket and the second metal gasket are both annular flat gaskets, a first central hole is formed in the center of the first metal gasket, and the lower end of the upper stud penetrates through the first central hole and then is fixedly connected with the first metal gasket; and a second center hole is formed in the center of the second metal gasket, and the upper end of the lower stud penetrates through the second center hole and is fixedly connected with the second metal gasket.

External threads are arranged on the screw rods of the upper stud and the lower stud; the lower end of the upper stud is provided with an upper stud frustum, and the upper end of the lower stud is provided with a lower stud frustum.

The diameter of the upper stud frustum is larger than the aperture of the first central hole; the diameter of the lower stud frustum is larger than the aperture of the second central hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a rubber pad for among motor compressor's shock pad possesses compression and tensile two to shock-absorbing function simultaneously, compares traditional two-stage shock pad, need not down the shock pad and can realize motor compressor at vertical direction shock attenuation effect. Therefore, the shock pad structure can be effectively simplified through the design, the processing cost is reduced, and meanwhile, the maintenance and the repair are convenient.

2. The utility model relates to a shock pad for electric compressor adopts two screw structures, and the rubber pad can be followed the horizontal direction and stretched, compares traditional stud formula shock pad, has the shock attenuation effect of horizontal direction. Therefore, the design can reduce vibration and noise in the operation process and improve the comfort of passengers.

3. The utility model relates to a shock pad for an electric compressor, which comprises a rubber pad, an upper fixing part and a lower fixing part; go up the fixed part and vulcanize as an organic whole with the upper end of rubber pad, the lower fixed part vulcanizes as an organic whole with the lower extreme of rubber pad down, and the shock pad theme structure is a body structure, and production and processing cost is lower, only needs the shock pad of whole change during the maintenance simultaneously. Therefore, the design can effectively reduce the processing cost and is convenient to maintain and repair.

4. The utility model relates to a rubber pad upper and lower extreme edge in shock pad for electric compressor is provided with annular boss, and the inboard of annular boss is as an organic whole with metal gasket's lateral part vulcanization, and annular boss has limiting displacement, and the shearing force is too big when having avoided electric compressor horizontal vibrations to lead to metal gasket and rubber pad to peel off. Therefore, the design has firm structure and long service life.

5. The utility model relates to an upper fixing part used in a shock pad of an electric compressor, which comprises an upper stud and a first metal gasket which are integrated into a whole, wherein the first metal gasket is sleeved on the upper stud; the lower fixing part comprises a lower stud and a second metal gasket which are of an integral structure, the second metal gasket is sleeved on the lower stud, the first metal gasket and the second metal gasket are annular flat gaskets, the contact area of the upper stud and the lower stud with the rubber pad is increased, vibration generated by the electric compressor can be uniformly distributed on the rubber pad, and local damage to the rubber pad is avoided. Therefore, the rubber pad of the design has high durability and is not easy to damage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is a cross-sectional view of the utility model of figure 1.

Figure 3 is a schematic view of the installation of the utility model of figure 1.

In the figure: the structure comprises an upper stud 1, an upper stud frustum 11, a first metal gasket 2, a first central hole 21, a rubber gasket 3, an upper annular boss 31, a lower annular boss 32, a second metal gasket 4, a second central hole 41, a lower stud 5, a lower stud frustum 51, an upper fixing part 6, a lower fixing part 7, a compressor 8, a shock absorption pad 9 and a chassis support 10.

Detailed Description

The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 3, a vibration damper pad for a motor-driven compressor includes

A rubber pad 3, an upper fixing part 6 and a lower fixing part 7; the upper end of the rubber pad 3 is connected with the upper fixing part 6, and the lower end of the rubber pad 3 is connected with the lower fixing part 7.

The upper fixing portion 6 is integrally vulcanized with the upper end of the rubber pad 3, and the lower fixing portion 7 is integrally vulcanized with the lower end of the rubber pad 3.

The rubber pad 3 is a cylindrical structure, and the diameter of the rubber pad 3 is gradually reduced from the upper end to the lower end to the middle.

The upper fixing part 6 comprises an upper stud 1 and a first metal gasket 2 which are integrally structured, and the first metal gasket 2 is sleeved on the upper stud 1; the lower fixing portion 7 includes a lower stud 5 and a second metal gasket 4 integrally formed, and the second metal gasket 4 is sleeved on the lower stud 5.

An upper annular boss 31 is arranged at the edge of the upper end of the rubber gasket 3, and the inner side of the upper annular boss 31 and the side part of the first metal gasket 2 are vulcanized into a whole; the lower end edge of the rubber gasket 3 is provided with a lower annular boss 32, and the inner side of the lower annular boss 32 and the side part of the second metal gasket 4 are vulcanized into a whole.

The first metal gasket 2 and the second metal gasket 4 are both annular flat gaskets, a first central hole 21 is formed in the center of the first metal gasket 2, and the lower end of the upper stud 1 penetrates through the first central hole 21 and then is fixedly connected with the first metal gasket 2; a second center hole 41 is formed in the center of the second metal gasket 4, and the upper end of the lower stud 5 penetrates through the second center hole 41 and then is fixedly connected with the second metal gasket 4.

The screw rods of the upper stud 1 and the lower stud 5 are both provided with external threads; the lower end of the upper stud 1 is provided with an upper stud frustum 11, and the upper end of the lower stud 5 is provided with a lower stud frustum 51.

The diameter of the upper stud frustum 11 is larger than the aperture of the first central hole 21; the diameter of the lower stud frustum 51 is larger than the diameter of the second central hole 41.

The principle of the utility model is explained as follows:

the utility model discloses the last double-screw bolt 1 of shock pad 9 is connected through the nut with compressor 8 when using, and the lower double-screw bolt 5 of shock pad 9 is connected through the nut with chassis support 10. Rubber pad 3 is stretched when compressor 8 moves upwards relatively the automobile body, and rubber pad 3 is compressed when compressor 8 moves downwards relatively the automobile body, absorbs the vibrations that the compressor produced at the operation in-process through rubber pad 3 elastic deformation, avoids the compressor to damage, improves compressor operating efficiency and life.

Example 1:

a cushion for an electric compressor, the cushion comprising a rubber pad 3, an upper fixing portion 6 and a lower fixing portion 7; the upper end of the rubber pad 3 is connected with the upper fixing part 6, and the lower end of the rubber pad 3 is connected with the lower fixing part 7. The upper fixing portion 6 is integrally vulcanized with the upper end of the rubber pad 3, and the lower fixing portion 7 is integrally vulcanized with the lower end of the rubber pad 3.

Example 2:

example 2 is substantially the same as example 1 except that:

Example 3:

example 3 is substantially the same as example 2 except that:

Claims

1. A shock pad for an electric compressor, characterized in that:

the cushion of the motor-driven compressor includes: a rubber pad (3), an upper fixing part (6) and a lower fixing part (7); the upper end of the rubber pad (3) is connected with the upper fixing part (6), and the lower end of the rubber pad (3) is connected with the lower fixing part (7).

2. A cushion for a motor-driven compressor according to claim 1, wherein:

the upper fixing part (6) and the upper end of the rubber pad (3) are vulcanized into a whole; the lower fixing part (7) is integrally vulcanized with the lower end of the rubber pad (3).

3. A cushion for a motor-driven compressor according to claim 2, wherein:

the rubber pad (3) is of a cylindrical structure, and the diameter of the rubber pad (3) is gradually reduced from the upper end to the lower end to the middle.

4. A cushion for a motor-driven compressor according to claim 3, wherein:

the upper fixing part (6) comprises an upper stud (1) and a first metal gasket (2) which are of an integral structure, and the first metal gasket (2) is sleeved on the upper stud (1); the lower fixing part (7) comprises a lower stud (5) and a second metal gasket (4) which are of an integral structure, and the second metal gasket (4) is sleeved on the lower stud (5).

5. The cushion for a motor-driven compressor according to claim 4, wherein:

an upper annular boss (31) is arranged at the edge of the upper end of the rubber pad (3), and the inner side of the upper annular boss (31) and the side part of the first metal gasket (2) are vulcanized into a whole; the edge of the lower end of the rubber gasket (3) is provided with a lower annular boss (32), and the inner side of the lower annular boss (32) and the lateral part of the second metal gasket (4) are vulcanized into a whole.

6. A cushion for motor-driven compressor as claimed in claim 4 or 5, wherein:

the first metal gasket (2) and the second metal gasket (4) are both annular flat gaskets, a first central hole (21) is formed in the center of the first metal gasket (2), and the lower end of the upper stud (1) penetrates through the first central hole (21) and then is fixedly connected with the first metal gasket (2); and a second center hole (41) is formed in the center of the second metal gasket (4), and the upper end of the lower stud (5) penetrates through the second center hole (41) and then is fixedly connected with the second metal gasket (4).

7. A cushion for a motor-driven compressor according to claim 6, wherein:

the screw rods of the upper stud (1) and the lower stud (5) are provided with external threads; the lower end of the upper stud (1) is provided with an upper stud frustum (11), and the upper end of the lower stud (5) is provided with a lower stud frustum (51).

8. A cushion for a motor-driven compressor according to claim 7, wherein:

the diameter of the upper stud frustum (11) is larger than the aperture of the first central hole (21); the diameter of the lower stud frustum (51) is larger than the aperture of the second central hole (41).