CN215153978U - Two-stage damping device and automobile - Google Patents
Two-stage damping device and automobile Download PDFInfo
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- CN215153978U CN215153978U CN202120054112.0U CN202120054112U CN215153978U CN 215153978 U CN215153978 U CN 215153978U CN 202120054112 U CN202120054112 U CN 202120054112U CN 215153978 U CN215153978 U CN 215153978U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model belongs to the technical field of automobile shock attenuation, especially, relate to a second grade damping device and car. The second-stage damping device comprises a bracket body, a first damping rubber pad, a second damping rubber pad, a first damping bushing and a second damping bushing; the bracket body comprises a first connecting rod, a second connecting rod and a connecting arm connected between the first connecting rod and the second connecting rod; the first shock-absorbing rubber pad and the first shock-absorbing bushing are respectively arranged at two opposite ends of the first connecting rod, and the second shock-absorbing rubber pad and the second shock-absorbing bushing are respectively arranged at two opposite ends of the second connecting rod; the first cushion rubber pad and the second cushion rubber pad are located on the same side of the connecting arm. The utility model discloses a second grade damping device has fine shock insulation effect, and its simple structure, low in manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of automobile shock attenuation, especially, relate to a second grade damping device and car.
Background
In a fuel cell system, hydrogen and oxygen are electrochemically reacted to produce electricity, wherein the oxygen can be obtained directly from air. Fuel cell stacks are required to achieve higher power densities and better performance, and the air supply pressure must be increased. The air compressor is a device for compressing air, and converts the mechanical energy of the motor into gas pressure energy, thereby ensuring that the fuel cell stack can enter more air in unit time and ensuring that the hydrogen in the fuel cell stack can react more fully.
The compression power of the air compressor is proportional to the vibration noise generated by the air compressor; the vibration generated when the air compressor works is transmitted to the vehicle body and the cockpit, thereby reducing the NVH performance of the vehicle. In order to reduce the noise of the vehicle caused by the vibration of the air compressor, the air compressor is generally installed on the vehicle body through a damping device, and the damping device can absorb the vibration generated by the air compressor. However, the damping device of the air compressor in the prior art has a complex structure and a poor damping effect.
Disclosure of Invention
The utility model discloses the shock attenuation effect that damping device to prior art air compressor exists is poor and technical problem such as structure complicacy provides a second grade damping device and car.
In view of the above technical problems, an embodiment of the present invention provides a secondary damping device, which includes a bracket body, a first damping rubber pad, a second damping rubber pad, a first damping bushing, and a second damping bushing; the bracket body comprises a first connecting rod, a second connecting rod and a connecting arm connected between the first connecting rod and the second connecting rod;
the first shock-absorbing rubber pad and the first shock-absorbing bushing are respectively arranged at two opposite ends of the first connecting rod, and the second shock-absorbing rubber pad and the second shock-absorbing bushing are respectively arranged at two opposite ends of the second connecting rod; the first cushion rubber pad and the second cushion rubber pad are located on the same side of the connecting arm.
Optionally, a first mounting hole is formed in the first connecting rod; the first shock-absorbing rubber pad comprises first shock-absorbing rubber, a first inner sleeve and a first outer sleeve arranged in the first mounting hole; the first inner sleeve is installed in the first outer sleeve through the first shock absorption rubber;
a second mounting hole is formed in the second connecting rod; the second shock-absorbing rubber pad comprises second shock-absorbing rubber, a second inner sleeve and a second outer sleeve which is arranged in the second mounting hole; the second inner sleeve is installed in the second outer sleeve through the second shock absorption rubber.
Optionally, at least one first buffer hole is arranged on the first damping rubber; and at least one second buffer hole is formed in the second damping rubber.
Optionally, the first outer sleeve and the first inner sleeve are coaxially arranged; the second outer sleeve and the second inner sleeve are coaxially arranged.
Optionally, the bracket body includes a first connecting column connected to the first connecting rod and a second connecting column connected to the second connecting rod, and the first mounting hole is disposed on the first connecting column; the second mounting hole is formed in the second connecting column.
Optionally, a first mounting plate is arranged on the first connecting rod, and at least one third mounting hole is arranged on the first mounting plate; the first damping bushing comprises a first rubber gasket and a second rubber gasket, the first rubber gasket comprises a first rubber body attached to the first mounting plate, and a first through hole formed in the first rubber body; the second rubber gasket comprises a second rubber body attached to the end face, away from the first rubber body, of the first mounting plate, and a second through hole formed in the second rubber body; the third mounting hole, the first through hole and the second through hole are coaxially arranged;
the second connecting rod is provided with a second mounting plate, and the second mounting plate is provided with at least one fourth mounting hole; the second damping bushing comprises a third rubber gasket and a fourth rubber gasket, and the third rubber gasket comprises a third rubber body attached to the second mounting plate and a third through hole formed in the third rubber body; the fourth rubber gasket comprises a fourth rubber body attached to the end face, away from the third rubber gasket, of the second mounting plate and a fourth through hole formed in the fourth rubber body; the fourth mounting hole, the third through hole and the fourth through hole are coaxially arranged.
Optionally, the first rubber gasket further comprises a first protrusion provided on the first rubber body, the first through hole penetrating the first protrusion; the second rubber gasket further includes a second protrusion provided on the second rubber body, the second through hole penetrating the second protrusion; the first convex part and the second convex part are inserted into the third mounting hole;
the third rubber gasket further comprises a third convex part arranged on the third rubber body, and the third through hole penetrates through the third convex part; the fourth rubber gasket further comprises a fourth convex portion arranged on the fourth rubber body, and the fourth through hole penetrates through the fourth convex portion; the third convex part and the fourth convex part are inserted in the fourth mounting hole.
Optionally, the first damper bushing further includes a first connection sleeve, the first connection sleeve includes a first sleeve body and a fifth protrusion disposed on the first sleeve body, and a fifth through hole is disposed on the first sleeve body at a position corresponding to the fifth protrusion; the fifth convex part penetrates through the second through hole to be inserted into the first through hole, and the first sleeve body is abutted to the second rubber body;
the second shock absorption bushing also comprises a second connecting sleeve, the second connecting sleeve comprises a second sleeve body and a sixth convex part arranged on the second sleeve body, and a sixth through hole is formed in the second sleeve body at a position corresponding to the sixth convex part; the sixth convex part penetrates through the fourth through hole to be connected with the third through hole in an inserting mode, and the second sleeve pipe body is connected with the fourth rubber body in an abutting mode.
Optionally, the bracket body further comprises a first reinforcing rib connected between the first mounting plate and the first connecting rod; the support body further comprises a second reinforcing rib connected between the second mounting plate and the second connecting rod.
The utility model also provides an automobile, which is characterized in that the automobile comprises an air compressor and the secondary damping device; the support body is connected with the air compressor through the first shock-absorbing rubber pads and the second shock-absorbing rubber pads, and the support body is connected with an automobile body through the first shock-absorbing bushings and the second shock-absorbing bushings.
In the utility model, the bracket body comprises a first connecting rod, a second connecting rod and a connecting arm connected between the first connecting rod and the second connecting rod; the first shock-absorbing rubber pad and the first shock-absorbing lining are respectively arranged at two opposite ends of the first connecting rod, and the second shock-absorbing rubber pad and the second shock-absorbing lining are respectively arranged at two opposite ends of the second connecting rod. Therefore, the bracket body is connected with an external vibrator (a vibration source generating vibration, such as an air compressor on an automobile) through the first shock absorbing rubber pad and the second shock absorbing rubber pad, and the bracket body is installed on an external fixing part (such as an automobile body) through the first shock absorbing lining and the second shock absorbing lining, so that a secondary shock absorbing effect is achieved between the external vibrator and the external fixing part through the secondary shock absorbing device, and shock insulation performance is improved; and the bracket has simple structure, can be manufactured without a special die, and reduces the manufacturing cost.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a secondary damping device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bracket body of a secondary shock absorber according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first cushion rubber pad of a secondary shock absorber according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a first damper bushing of a secondary damper according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a first cushion rubber pad; 11. a first cushion rubber; 12. a first inner sleeve; 13. a first outer sleeve; 14. a first buffer hole; 2. a second cushion rubber pad; 3. a first damper bushing; 31. a first rubber gasket; 311. a first convex portion; 312. a first through hole; 313. a first rubber body; 32. a second rubber gasket; 321. a second convex portion; 322. a second through hole; 323. a second rubber body; 33. a first connecting sleeve; 331. a fifth convex portion; 332. a fifth through hole; 333. a first ferrule body; 4. a second damper bushing; 6. a stent body; 61. a first connecting rod; 611. a first mounting hole; 612. a first connecting column; 613. a first mounting plate; 614. a third mounting hole; 615. a first reinforcing rib; 62. a second connecting rod; 621. a second mounting hole; 622. a second connecting column; 623. a second mounting plate; 624. a fourth mounting hole; 63. a connecting arm.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", 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, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, a secondary damping device provided in an embodiment of the present invention includes a bracket body 6, a first damping rubber pad 1, a second damping rubber pad 2, a first damping bushing 3, and a second damping bushing 4; the bracket body 6 includes a first connecting rod 61, a second connecting rod 62, and a connecting arm 63 connected (connected by welding or the like) between the first connecting rod 61 and the second connecting rod 62; it can be understood that the bracket body 6 is a connecting rod type structure, which has a simple structure and can be manufactured without a special mold, thereby reducing the manufacturing cost of the bracket body 6, and the bracket body 6 also has the advantage of light weight.
The first shock-absorbing rubber pad 1 and the first shock-absorbing bushing 3 are respectively installed at two opposite ends of the first connecting rod 61, and the second shock-absorbing rubber pad 2 and the second shock-absorbing bushing 4 are respectively installed at two opposite ends of the second connecting rod 62; the first cushion rubber pad 1 and the second cushion rubber pad 2 are located on the same side of the connecting arm 63. It is understood that the air compressor can be installed on the vehicle body through the secondary damping device for damping vibration, but the secondary damper is not limited to damping the air compressor, and can also be used for damping other vibration sources.
In the present invention, the bracket body 6 includes a first connecting rod 61, a second connecting rod 62, and a connecting arm 63 connected between the first connecting rod 61 and the second connecting rod 62; the first cushion rubber pad 1 and the first cushion bushing 3 are respectively installed at opposite ends of the first connecting rod 61, and the second cushion rubber pad 2 and the second cushion bushing 4 are respectively installed at opposite ends of the second connecting rod 62. Therefore, the bracket body 6 is connected with an external vibrator (a vibration source generating vibration, such as an air compressor on an automobile) through the first and second shock absorbing rubber pads 1 and 2, the bracket body 6 is mounted on an external fixing part (such as an automobile body) through the first and second shock absorbing bushings 3 and 4, and a secondary shock absorbing effect is achieved between the external vibrator and the external fixing part through the secondary shock absorbing device, so that the shock insulation performance is improved; and the bracket has simple structure, can be manufactured without a special die, and reduces the manufacturing cost.
In an embodiment, as shown in fig. 2 and 3, the first connecting rod 61 is provided with a first mounting hole 611; the first cushion rubber pad 1 comprises a first cushion rubber 11, a first inner sleeve 12 and a first outer sleeve 13 mounted in the first mounting hole 611; the first inner sleeve 12 is mounted in the first outer sleeve 13 through the first cushion rubber 11; it is understood that the first cushion rubber 11 is disposed between the first inner bushing 12 and the first outer bushing 13, and the external vibrator may be connected to the first connecting rod 61 by a fastener (screw, bolt, etc.) inserted into the first inner bushing 12. Preferably, the first outer sleeve 13 and the first inner sleeve 12 are coaxially arranged; and the first inner sleeve 12 and the first outer sleeve 13 are both rigid pieces; the utility model discloses in, this first shock-absorbing rubber pad 1's simple structure, low in manufacturing cost.
A second mounting hole 621 is formed on the second connecting rod 62; the second cushion rubber pad 2 comprises a second cushion rubber (not shown), a second inner sleeve (not shown) and a second outer sleeve (not shown) mounted in the second mounting hole 621; the second inner sleeve is installed in the second outer sleeve through the second shock absorption rubber. It will be appreciated that the second damping rubber is disposed between the second inner bushing and the second outer bushing, and that the external vibrator may be coupled to the second connecting rod 62 by a fastener (screw, bolt, etc.) inserted into the second inner bushing. Preferably, the second outer sleeve and the second inner sleeve are coaxially arranged, and the second inner sleeve and the second outer sleeve are both rigid pieces; the utility model discloses in, this second shock absorber rubber pad 2's simple structure, low in manufacturing cost.
In one embodiment, as shown in fig. 3, at least one first buffer hole 14 is formed on the first shock absorbing rubber 11; at least one second buffer hole (not shown) is arranged on the second shock absorption rubber. It can be understood that the number of the first buffer holes 14 and the second buffer holes can be set according to actual requirements, for example, the number of the first buffer holes 14 and the number of the second buffer holes can be set to 2, 4, 6, etc., and the first buffer holes 14 and the second buffer holes can weaken and absorb the vibration and noise transmitted from an external vibrator to the bracket body 6, thereby improving the vibration isolation performance of the secondary vibration damping device. Understandably, the second cushion rubber pad 2 may be identical to the first cushion rubber pad 1 in structure, or may be slightly different, for example, the number or/and size of the first cushion hole 14 and the second cushion hole may not be the same. Optionally, the first buffer hole 14 and the second buffer hole are cylindrical, and the central axis of the first buffer hole 14 is parallel to the central axis of the first inner sleeve 12; the central axis of the second buffer hole is parallel to the central axis of the second inner sleeve.
In an embodiment, as shown in fig. 2, the bracket body 6 includes a first connecting column 612 connected to the first connecting rod 61 and a second connecting column 622 connected to the second connecting rod 62, and the first mounting hole 611 is disposed on the first connecting column 612; the second mounting hole 621 is provided on the second connection post 622. It is understood that the first mounting hole 611 is a cylindrical long hole provided on the first connection column 612, and a central axis of the first mounting hole 611 is perpendicular to an extending direction of the first connection rod 61; the second mounting hole 621 is a cylindrical long hole formed in the second connecting post 622, and a central axis of the second mounting hole 621 is perpendicular to an extending direction of the second connecting rod 62; therefore, in order to make the receiving volume of the first mounting hole 611 larger so as to receive more of the first cushion rubber pads 1, the first mounting hole 611 is provided on the first connecting column 612; similarly, in order to make the accommodating volume of the second mounting hole 621 larger so as to accommodate more second cushion rubbers 2, the second mounting hole 621 is disposed on the second connecting post 622; therefore, the secondary damping device of the embodiment can further improve the shock insulation effect.
In one embodiment, as shown in fig. 2 and 4, a first mounting plate 613 is disposed on the first connecting rod 61, and at least one third mounting hole 614 is disposed on the first mounting plate 613; the first damper bushing 3 comprises a first rubber gasket 31 and a second rubber gasket 32, the first rubber gasket 31 comprises a first rubber body 313 attached to the first mounting plate 613, and a first through hole 312 provided on the first rubber body 313; the second rubber gasket 32 comprises a second rubber body 323 attached to the end face of the first mounting plate 613, which faces away from the first rubber body 313, and a second through hole 322 arranged on the second rubber body 323; the third mounting hole 614, the first through hole 312 and the second through hole 322 are coaxially disposed; it is understood that the first rubber body 313 and the second rubber body 323 respectively abut against two opposite plate surfaces of the first mounting plate 613, and the first connecting rod 61 is fixedly connected to an external fixing member (such as an automobile body) by a fastener (screw, bolt, etc.) passing through the first through hole 312 and the second through hole 322; the first damper bushing 3 may well perform a vibration isolating effect on the first mounting plate 613.
A second mounting plate 623 is arranged on the second connecting rod 62, and at least one fourth mounting hole 624 is arranged on the second mounting plate 623; the second damper bushing 4 includes a third rubber pad and a fourth rubber pad, the third rubber pad includes a third rubber body attached to the second mounting plate 623, and a third through hole provided in the third rubber body; the fourth rubber gasket comprises a fourth rubber body attached to the end face, away from the third rubber gasket, of the second mounting plate 623 and a fourth through hole formed in the fourth rubber body; the fourth mounting hole 624, the third through hole and the fourth through hole are coaxially arranged. As can be understood, the third rubber body and the fourth rubber body are respectively attached to two opposite plate surfaces of the second mounting plate 623, and the second connecting rod 62 is fixedly connected to an external fixing member (such as an automobile body) through a fastener (screw, bolt, etc.) passing through the third through hole and the fourth through hole; the second shock absorbing bushing 4 can well play a role in isolating the second mounting plate 623, so that the shock absorbing performance of the secondary shock absorbing device is further improved.
In one embodiment, as shown in fig. 4, the first rubber gasket 31 further includes a first protrusion 311 disposed on the first rubber body 313, and the first through hole 312 penetrates the first protrusion 311; the second rubber gasket 32 further includes a second protrusion 321 provided on the second rubber body 323, and the second through hole 322 penetrates the second protrusion 321; the first convex part 311 and the second convex part 321 are inserted into the third mounting hole 614; it is understood that the first connecting rod 61 is fixedly connected to an external fixing member (e.g., a car body) by a fastener (a screw, a bolt, etc.) passing through the first through hole 312 and the second through hole 322, and the first protrusion 311 and the second protrusion 321 abut against each other in the third mounting hole 614, thereby reducing the vibration transmitted from the first connecting rod 61 to the external fixing member.
The third rubber gasket further comprises a third convex part arranged on the third rubber body, and the third through hole penetrates through the third convex part; the fourth rubber gasket further comprises a fourth convex portion arranged on the fourth rubber body, and the fourth through hole penetrates through the fourth convex portion; the third protrusion and the fourth protrusion are inserted into the fourth mounting hole 624. It is understood that the second connecting rod 62 is fixedly connected to an external fixing member (such as an automobile body) by a fastener (a screw, a bolt, etc.) passing through the third through hole and the fourth through hole, and the third protrusion and the fourth protrusion abut against each other in the fourth mounting hole 624, so that the vibration transmitted from the second connecting rod 62 to the external fixing member is reduced, and the vibration damping performance of the secondary vibration damping device is further improved.
In an embodiment, as shown in fig. 4, the first damper bushing 3 further includes a first connection sleeve 33, the first connection sleeve 33 includes a first sleeve body 333 and a fifth protrusion 331 disposed on the first sleeve body 333, and a fifth through hole 332 is disposed on the first sleeve body 333 at a position corresponding to the fifth protrusion 331; the fifth convex part 331 penetrates through the second through hole 322 to be inserted into the first through hole 312, and the first sleeve body 333 is abutted against the second rubber body 323; preferably, the first connection sleeve 33 is a rigid member. It is understood that the first connecting rod 61 is fixedly connected to an external fixture (e.g., a car body) by a fastener (screw, bolt, etc.) passing through the fifth through hole 332.
The second shock-absorbing bushing 4 further comprises a second connecting sleeve, the second connecting sleeve comprises a second sleeve body and a sixth convex portion arranged on the second sleeve body, and a sixth through hole is formed in the second sleeve body at a position corresponding to the sixth convex portion; the sixth convex part penetrates through the fourth through hole to be connected with the third through hole in an inserting mode, and the second sleeve pipe body is connected with the fourth rubber body in an abutting mode. Preferably, the second connection sleeve is a rigid member. It is understood that the second connecting rod 62 is fixedly connected with an external fixing member (such as an automobile body) by a fastener (screw, bolt, etc.) passing through the sixth through hole; the utility model discloses in, this second grade damping device's simple structure need not special mould and can make, and its connection is stable, and intensity and rigidity are high.
In one embodiment, as shown in fig. 2, the bracket body 6 further includes a first reinforcing rib 615 connected between the first mounting plate 613 and the first connecting rod 61; the bracket body 6 further includes a second reinforcing rib connected between the second mounting plate 623 and the second connecting rod 62. It can be understood that the first reinforcing rib 615 and the second reinforcing rib can be arranged in a plurality of numbers (e.g. 4, 6, etc.) at intervals or in a staggered manner according to actual requirements, and the first reinforcing rib 615 and the second reinforcing rib can increase the strength and rigidity of the bracket body 6, so that the service life of the secondary damping device is prolonged.
The utility model also provides an automobile, which comprises an air compressor and the secondary damping device; the support body 6 is connected with the air compressor through the first shock-absorbing rubber pads 1 and the second shock-absorbing rubber pads 2, and the support body 6 is connected with an automobile body through the first shock-absorbing bushings 3 and the second shock-absorbing bushings 4. It can understand, first shock-absorbing rubber pad 1 with second shock-absorbing rubber pad 2 can reduce air compressor and transmit to the vibrations of support body 6, first shock-absorbing bush 3 with second shock-absorbing bush 4 can reduce support body 6 transmits to the vibrations of automobile body to this second grade damping device can play the absorbing effect of second grade between air compressor and automobile body, has reduced vibrations and the noise that air compressor transmitted to the car, has promoted car NVH performance.
The above description is only an example of the second stage damping device of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A secondary damping device is characterized by comprising a bracket body, a first damping rubber pad, a second damping rubber pad, a first damping bushing and a second damping bushing; the bracket body comprises a first connecting rod, a second connecting rod and a connecting arm connected between the first connecting rod and the second connecting rod;
the first shock-absorbing rubber pad and the first shock-absorbing bushing are respectively arranged at two opposite ends of the first connecting rod, and the second shock-absorbing rubber pad and the second shock-absorbing bushing are respectively arranged at two opposite ends of the second connecting rod; the first cushion rubber pad and the second cushion rubber pad are located on the same side of the connecting arm.
2. The secondary shock absorbing device as claimed in claim 1, wherein the first connecting rod is provided with a first mounting hole; the first shock-absorbing rubber pad comprises first shock-absorbing rubber, a first inner sleeve and a first outer sleeve arranged in the first mounting hole; the first inner sleeve is installed in the first outer sleeve through the first shock absorption rubber;
a second mounting hole is formed in the second connecting rod; the second shock-absorbing rubber pad comprises second shock-absorbing rubber, a second inner sleeve and a second outer sleeve which is arranged in the second mounting hole; the second inner sleeve is installed in the second outer sleeve through the second shock absorption rubber.
3. The secondary damping device as claimed in claim 2, wherein the first damping rubber is provided with at least one first damping hole; and at least one second buffer hole is formed in the second damping rubber.
4. The secondary damping device according to claim 2, characterized in that the first outer sleeve and the first inner sleeve are coaxially arranged; the second outer sleeve and the second inner sleeve are coaxially arranged.
5. The secondary shock absorbing device as claimed in claim 2, wherein the bracket body includes a first connecting post connected to the first connecting rod and a second connecting post connected to the second connecting rod, the first mounting hole being provided on the first connecting post; the second mounting hole is formed in the second connecting column.
6. The secondary shock absorbing device as claimed in claim 1, wherein a first mounting plate is provided on said first connecting rod, said first mounting plate being provided with at least one third mounting hole; the first damping bushing comprises a first rubber gasket and a second rubber gasket, the first rubber gasket comprises a first rubber body attached to the first mounting plate, and a first through hole formed in the first rubber body; the second rubber gasket comprises a second rubber body attached to the end face, away from the first rubber body, of the first mounting plate, and a second through hole formed in the second rubber body; the third mounting hole, the first through hole and the second through hole are coaxially arranged;
the second connecting rod is provided with a second mounting plate, and the second mounting plate is provided with at least one fourth mounting hole; the second damping bushing comprises a third rubber gasket and a fourth rubber gasket, and the third rubber gasket comprises a third rubber body attached to the second mounting plate and a third through hole formed in the third rubber body; the fourth rubber gasket comprises a fourth rubber body attached to the end face, away from the third rubber gasket, of the second mounting plate and a fourth through hole formed in the fourth rubber body; the fourth mounting hole, the third through hole and the fourth through hole are coaxially arranged.
7. The secondary shock absorbing device as claimed in claim 6, wherein said first rubber gasket further comprises a first protrusion provided on said first rubber body, said first through hole penetrating said first protrusion; the second rubber gasket further includes a second protrusion provided on the second rubber body, the second through hole penetrating the second protrusion; the first convex part and the second convex part are inserted into the third mounting hole;
the third rubber gasket further comprises a third convex part arranged on the third rubber body, and the third through hole penetrates through the third convex part; the fourth rubber gasket further comprises a fourth convex portion arranged on the fourth rubber body, and the fourth through hole penetrates through the fourth convex portion; the third convex part and the fourth convex part are inserted in the fourth mounting hole.
8. The secondary shock absorbing device of claim 6, wherein the first shock absorbing bushing further comprises a first connecting sleeve, the first connecting sleeve comprises a first sleeve body and a fifth convex portion arranged on the first sleeve body, and a fifth through hole is arranged on the first sleeve body at a position corresponding to the fifth convex portion; the fifth convex part penetrates through the second through hole to be inserted into the first through hole, and the first sleeve body is abutted to the second rubber body;
the second shock absorption bushing also comprises a second connecting sleeve, the second connecting sleeve comprises a second sleeve body and a sixth convex part arranged on the second sleeve body, and a sixth through hole is formed in the second sleeve body at a position corresponding to the sixth convex part; the sixth convex part penetrates through the fourth through hole to be connected with the third through hole in an inserting mode, and the second sleeve pipe body is connected with the fourth rubber body in an abutting mode.
9. The secondary shock absorbing device of claim 6, wherein the bracket body further comprises a first reinforcing bar connected between the first mounting plate and the first connecting rod;
the support body further comprises a second reinforcing rib connected between the second mounting plate and the second connecting rod.
10. An automobile, characterized by comprising an air compressor and the secondary damping device of any one of claims 1 to 9; the support body is connected with the air compressor through the first shock-absorbing rubber pads and the second shock-absorbing rubber pads, and the support body is connected with an automobile body through the first shock-absorbing bushings and the second shock-absorbing bushings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120054112.0U CN215153978U (en) | 2021-01-08 | 2021-01-08 | Two-stage damping device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120054112.0U CN215153978U (en) | 2021-01-08 | 2021-01-08 | Two-stage damping device and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215153978U true CN215153978U (en) | 2021-12-14 |
Family
ID=79402796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120054112.0U Active CN215153978U (en) | 2021-01-08 | 2021-01-08 | Two-stage damping device and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215153978U (en) |
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2021
- 2021-01-08 CN CN202120054112.0U patent/CN215153978U/en active Active
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