CN218718383U - Bush and suspension assembly - Google Patents
Bush and suspension assembly Download PDFInfo
- Publication number
- CN218718383U CN218718383U CN202222850167.XU CN202222850167U CN218718383U CN 218718383 U CN218718383 U CN 218718383U CN 202222850167 U CN202222850167 U CN 202222850167U CN 218718383 U CN218718383 U CN 218718383U
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- rubber
- cylinder
- bush
- thick bamboo
- middle section
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Abstract
The utility model discloses a bush and suspension assembly, which relates to the technical field of bush, wherein the bush comprises an inner cylinder, an intermediate cylinder, an outer cylinder and a rubber part, the rubber part is connected between the outer peripheral surface of the inner cylinder and the inner peripheral surface of the outer cylinder, the intermediate cylinder is arranged in the rubber part to divide the rubber part into a first rubber part and a second rubber part, the first rubber part is positioned between the inner cylinder and the intermediate cylinder, and the second rubber part is positioned between the intermediate cylinder and the outer cylinder; through set up middle section of thick bamboo in the rubber spare of bush, carry out reaming operation to the inner tube, avoid the urceolus to take place deformation, carry out the undergauge operation to the outer section of thick bamboo, avoid the inner tube to take place deformation.
Description
Technical Field
The utility model relates to a bush technical field especially relates to a bush and suspension assembly.
Background
In a suspension mechanism of an automobile, a rubber bush is used to connect a vehicle body and an arm portion. The rubber bush generally includes an inner cylinder, an outer cylinder, and a rubber member that couples an inner peripheral surface of the outer cylinder and an outer peripheral surface of the inner cylinder.
In the production process, the inner cylinder needs to be reamed or/and the outer cylinder needs to be reduced in diameter. However, the inner barrel is subjected to reaming operation, the internal pressure is conducted to the outer barrel after the rubber part is pressed, the outer barrel is deformed, the diameter of the outer barrel is reduced, and the internal pressure is conducted to the inner barrel after the rubber part is pressed, so that the inner barrel is deformed.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the background art, the utility model provides a bush and hang assembly.
The utility model discloses a first aim at provides a bush, including inner tube, middle section of thick bamboo, urceolus and rubber spare, the rubber spare is connected between inner tube outer peripheral face and urceolus inner peripheral surface, and middle section of thick bamboo setting falls into first rubber portion and second rubber portion with the rubber spare in the rubber spare, and first rubber portion is located between inner tube and the middle section of thick bamboo, and second rubber portion is located middle section of thick bamboo and urceolus.
Preferably, the intermediate cylinder has a through hole for the passage of rubber during vulcanization molding of the rubber member.
Preferably, the distance between the outer peripheral surface of the inner cylinder and the inner peripheral surface of the intermediate cylinder is smaller than the distance between the inner peripheral surface of the outer cylinder and the outer peripheral surface of the intermediate cylinder.
Preferably, the end face of the first rubber part is provided with a first stress groove.
Preferably, the end face of the second rubber part is provided with a second stress groove.
Preferably, one end of the outer cylinder is provided with a convex edge extending outwards along the radial direction, and one end of the rubber piece is provided with a rubber ring wrapping the convex edge.
Preferably, a plurality of exhaust grooves are formed in the rubber ring, and the exhaust grooves are distributed in an annular array around the circle center of the rubber ring.
Preferably, one end of the outer cylinder, which is far away from the convex edge, is provided with a chamfer.
Preferably, the device further comprises two baffle rings, and the two baffle rings are respectively assembled at two ends of the inner barrel.
A second object of the present invention is to provide a suspension assembly, including the above bushing.
The utility model discloses in, the bush that proposes includes inner tube, middle section of thick bamboo, urceolus and rubber spare, and the rubber spare is connected between inner tube outer peripheral face and urceolus inner peripheral surface, through set up middle section of thick bamboo in the rubber spare of bush, carries out the reaming operation to the inner tube, avoids the urceolus to take place deformation, carries out the undergauge operation to the urceolus, avoids the inner tube to take place deformation.
Drawings
Fig. 1 is a top view of a bushing according to the present invention.
Fig. 2 isbase:Sub>A cross-sectional view taken along the planebase:Sub>A-base:Sub>A in fig. 1.
Detailed Description
As shown in the drawings, fig. 1 isbase:Sub>A top view ofbase:Sub>A bushing according to the present invention, and fig. 2 isbase:Sub>A cross-sectional view ofbase:Sub>A-base:Sub>A plane in fig. 1.
Referring to fig. 1 and 2, the utility model provides a bush, including inner tube 1, middle section of thick bamboo 2, urceolus 3 and rubber spare 4, rubber spare 4 is connected between inner tube 1 outer peripheral face and 3 inner peripheral faces of urceolus, and middle section of thick bamboo 2 sets up and falls into first rubber portion 41 and second rubber portion 42 with rubber spare 4 in rubber spare 4, and first rubber portion 41 is located between inner tube 1 and middle section of thick bamboo 2, and second rubber portion 42 is located middle section of thick bamboo 2 and urceolus 3. Specifically, the inner cylinder 1, the intermediate cylinder 2 and the outer cylinder 3 are all made of aluminum.
In the specific working process of the bushing of the embodiment, the inner cylinder 1 is subjected to reaming operation, the outer peripheral surface of the inner cylinder 1 radially extrudes the first rubber part 41 of the rubber part 4 outwards, the first rubber part 41 transmits the internal pressure to the intermediate cylinder 2 after being pressed, the intermediate cylinder 2 prevents the internal pressure of the first rubber part 41 from being transmitted to the outer cylinder 3, and the outer cylinder 3 cannot deform; reducing the diameter of the outer cylinder 3, wherein the inner circumferential surface of the outer cylinder 3 radially inwards extrudes the second rubber part 42 of the rubber part 4, the second rubber part 42 transmits the internal pressure to the intermediate cylinder 2 after being pressed, the intermediate cylinder 2 prevents the internal pressure of the second rubber part 42 from being transmitted to the inner cylinder 1, and the inner cylinder 1 cannot deform; this embodiment is through setting up middle section of thick bamboo 2 in the rubber spare 4 of bush, carries out reaming operation to inner tube 1, avoids outer cylinder 3 to take place deformation, carries out the undergauge operation to outer cylinder 3, avoids inner tube 1 to take place deformation.
The intermediate cylinder 2 has a through hole 21 for allowing the rubber to flow therethrough during vulcanization molding of the rubber member 4, and the rubber flows through the through hole 21 to form a first rubber part 41 and a second rubber part 42 during vulcanization molding of the rubber member 4.
The distance between the outer peripheral surface of the inner cylinder 1 and the inner peripheral surface of the intermediate cylinder 2 is smaller than the distance between the inner peripheral surface of the outer cylinder 3 and the outer peripheral surface of the intermediate cylinder 2, so that the thickness of the first rubber portion 41 in the radial direction is smaller than the thickness of the second rubber portion 42 in the radial direction.
The end surface of the first rubber part 41 is provided with a first stress groove 411. The end surface of the second rubber part 42 is provided with a second stress groove 421. When applying load between inner tube 1 and urceolus 3, first stress slot 411 increases the deformation space of first rubber portion 41, and second stress slot 421 increases the deformation space of second rubber portion 42, avoids stress concentration, can improve rubber spare 4 shock attenuation effect.
One end of the outer cylinder 3 is provided with a flange 31 extending outwards in the radial direction, and one end of the rubber member 4 is provided with a rubber ring 43 covering the flange 31. The rubber ring 43 is provided with a plurality of exhaust grooves 44, and the exhaust grooves 44 are distributed in an annular array around the center of the rubber ring 43. In the specific embodiment, the rubber ring 43 is connected with the vehicle body part to play a role of buffering, and the exhaust groove 44 is used for exhausting air to prevent a closed space from being formed between the rubber ring 43 and the vehicle body part so as to cause abnormal sound.
The end of the outer barrel 3 remote from the flange 31 is provided with a chamfer 32. The chamfer 32 facilitates the outer cylinder 3 of the bush to be plugged into the reducing tool.
The device also comprises two baffle rings 5, and the two baffle rings 5 are respectively assembled at two ends of the inner cylinder 1. In the specific embodiment, the baffle ring 5 is used for limiting the inner cylinder 1 of the bushing.
Based on the bushing disclosed in any of the above embodiments, the present embodiment further discloses a suspension assembly including the bushing disclosed in any of the above embodiments.
This embodiment is including inner tube 1, middle section of thick bamboo 2, urceolus 3 and rubber spare 4, and rubber spare 4 is connected between 1 outer peripheral face of inner tube and 3 inner peripheral faces of urceolus, through set up middle section of thick bamboo 2 in the rubber spare 4 of bush, carries out reaming operation to inner tube 1, avoids urceolus 3 to take place deformation, carries out the undergauge operation to outer section of thick bamboo 3, avoids inner tube 1 to take place deformation.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a bush, its characterized in that, including inner tube (1), middle section of thick bamboo (2), urceolus (3) and rubber spare (4), rubber spare (4) are connected between inner tube (1) outer peripheral face and urceolus (3) inner peripheral face, middle section of thick bamboo (2) set up in rubber spare (4) with rubber spare (4) divide into first rubber portion (41) and second rubber portion (42), first rubber portion (41) are located between inner tube (1) and middle section of thick bamboo (2), second rubber portion (42) are located middle section of thick bamboo (2) and urceolus (3).
2. An insert as claimed in claim 1, characterised in that the intermediate sleeve (2) has through-holes (21) for the passage of rubber during the vulcanisation of the rubber element (4).
3. The bushing according to claim 1, wherein the distance between the outer circumferential surface of the inner cylinder (1) and the inner circumferential surface of the intermediate cylinder (2) is smaller than the distance between the inner circumferential surface of the outer cylinder (3) and the outer circumferential surface of the intermediate cylinder (2).
4. The bushing of claim 1, wherein the end surface of the first rubber portion (41) is provided with a first stress groove (411).
5. The bushing according to claim 4, wherein the end surface of the second rubber portion (42) is provided with a second stress groove (421).
6. A bush according to claim 1, wherein one end of the outer cylinder (3) has a flange (31) extending radially outwardly, and one end of the rubber member (4) has a rubber ring (43) covering the flange (31).
7. The bushing of claim 6, wherein the rubber ring (43) is provided with a plurality of exhaust grooves (44), and the plurality of exhaust grooves (44) are distributed in an annular array around the center of the rubber ring (43).
8. A bush as in claim 6, wherein the end of the outer cylinder (3) remote from the flange (31) is provided with a chamfer (32).
9. The bushing according to claim 1, further comprising two baffle rings (5), wherein the two baffle rings (5) are respectively assembled at both ends of the inner cylinder (1).
10. A suspension assembly comprising a bushing as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222850167.XU CN218718383U (en) | 2022-10-27 | 2022-10-27 | Bush and suspension assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222850167.XU CN218718383U (en) | 2022-10-27 | 2022-10-27 | Bush and suspension assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218718383U true CN218718383U (en) | 2023-03-24 |
Family
ID=85593594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222850167.XU Active CN218718383U (en) | 2022-10-27 | 2022-10-27 | Bush and suspension assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218718383U (en) |
-
2022
- 2022-10-27 CN CN202222850167.XU patent/CN218718383U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |