CN212765674U

CN212765674U - Engine support swing arm bush with built-in buffering and damping structure

Info

Publication number: CN212765674U
Application number: CN202020904752.1U
Authority: CN
Inventors: 赵安道; 位雷; 赵成豪
Original assignee: Jiangsu Chaosheng Auto Parts Co ltd
Current assignee: Jiangsu Chaosheng Auto Parts Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-03-23
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a built-in buffering shock-absorbing structure's engine support swing arm bush, including bush and convex shoulder, the lower extreme of bush is provided with the shell, and the upper end of bush is provided with the mount, the both sides top of shell is provided with the turn-ups, and the turn-ups below is provided with the rubber stopper, the below of rubber stopper is provided with the shock attenuation board, and the below of shock attenuation board is provided with the core pipe, the right side of core pipe is provided with the bolt mouth, and the left side of core pipe is provided with fixed mouthful, the middle part of core pipe is provided with the convex shoulder, and the below of convex shoulder is provided with the dust cover. This dust cover set up effectual accumulation and the vibrations wearing and tearing that have reduced convex shoulder surface dust, prolong the service life of core pipe surface convex shoulder, the design of convex shoulder has increased the contact surface of convex shoulder and shock attenuation board, avoids the two easily not hard up at the horizontal surface, and the maintenance and the change of block convenient to use person to the dust cover guarantee that the dust cover is to the continuation protection of convex shoulder.

Description

Engine support swing arm bush with built-in buffering and damping structure

Technical Field

The utility model relates to an engine support swing arm technical field specifically is an engine support swing arm bush of built-in buffering shock-absorbing structure.

Background

Nowadays, a suspension system refers to a connection structure system among a vehicle body, a frame and wheels, and the connection structure system comprises a shock absorber, a suspension spring, an anti-roll bar, a suspension sub-beam, a lower control arm, a longitudinal bar, a knuckle arm, a rubber bushing, a connecting rod and the like. When the automobile runs on a road surface, the automobile is subjected to vibration and impact due to the change of the ground, part of the impact force is absorbed by the tire, but most of the impact force is absorbed by a suspension device between the tire and the automobile body, but most of the engine support swing arm bushings on the market have the defects of poor damping performance and the like.

The assembly precision of an engine support swing arm bushing in the market is low in use, the vibration amplitude is large when an engine is started due to the fact that the damping performance is weak, the bushing is prone to breaking when being installed with a shell, and the bushing is prone to being damaged due to the fact that the bushing is not provided with a buffering device and is subjected to impact.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine support swing arm bush of built-in buffering shock-absorbing structure to solve the engine support swing arm bush in use assembly precision that proposes among the above-mentioned background art lower, vibration damping performance is great when leading to the engine start more than weak, easy fracture when bush and bushing installation, the bush does not set up buffer and leads to the bush to receive the fragile problem of impact.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a built-in shock-absorbing structure's engine support swing arm bush, includes bush and convex shoulder, the lower extreme of bush is provided with the shell, and the upper end of bush is provided with the mount, the both sides top of shell is provided with the turn-ups, and the turn-ups below is provided with the rubber stopper, the below of rubber stopper is provided with the shock attenuation board, and the below of shock attenuation board is provided with the core pipe, the right side of core pipe is provided with the bolt mouth, and the left side of core pipe is provided with fixed mouthful, the middle part of core pipe is provided with the convex shoulder, and the below of convex shoulder is provided with the dust cover, the lower extreme of dust cover is provided with the recess, and the both ends of dust.

Preferably, the shell and the flanging are in round angle transition, and the shell is bonded with the rubber plug.

Preferably, the inner wall of the dust cover is tightly attached to the outer wall of the convex shoulder, and the dust cover and the convex shoulder form a clamping structure through a clamping block.

Preferably, the shape and the structure of the damping plate are matched with those of the core pipe, and the damping plate is movably connected with the core pipe.

Preferably, the buffering cotton and the core pipe are bonded, and the two groups of buffering cotton are arranged.

Preferably, the core pipe is distributed in a hollow shape, and the bolt port is communicated with the fixing port.

Compared with the prior art, the beneficial effects of the utility model are that: the engine support swing arm bushing with the built-in buffering and damping structure is provided with the shell, the round-angle transition of the shell and the flanging avoids the fracture of the flanging caused by overlarge force when the bushing is pressed in, the arrangement of the rubber plug effectively reduces the vibration to a core pipe when an engine is started, the vibration amplitude of the engine support is reduced, the close fit between the bushing and the inside of the shell improves the assembly precision, and the use of measuring tools is reduced;

the dust cover effectively reduces the accumulation of dust on the surface of the convex shoulder and the vibration abrasion, prolongs the service life of the convex shoulder on the surface of the core pipe, increases the contact surface of the convex shoulder and the damping plate due to the design of the convex shoulder, avoids the problem that the convex shoulder and the damping plate are easy to loosen on the horizontal surface, is convenient for a user to maintain and replace the dust cover due to the clamping block, and ensures the continuous protection of the dust cover on the convex shoulder;

the shape structure between shock attenuation board and the core pipe is coincide and has been improved the high laminating nature of shock attenuation board and core pipe, and the vibrations that produce when avoiding the engine to start separate shock attenuation board and core pipe, and the setting of shock attenuation board has improved the holistic stability of bush, and the buffering cotton has reduced the direct collision between core pipe and the mount, has increased certain buffering process for the whole impact force that receives of bush falls to minimumly.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a bushing; 2. a housing; 3. a fixed mount; 4. flanging; 5. a rubber stopper; 6. a damper plate; 7. buffering cotton; 8. a bolt opening; 9. a clamping block; 10. a groove; 11. a dust cover; 12. a shoulder is formed; 13. a core tube; 14. and (4) fixing the port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an engine support swing arm bushing with a built-in buffering and damping structure comprises a bushing 1, a shell 2, a fixing frame 3, a flanging 4, a rubber plug 5, a damping plate 6, buffering cotton 7, a bolt hole 8, a clamping block 9, a groove 10, a dust cover 11, a convex shoulder 12, a core pipe 13 and a fixing hole 14, wherein the lower end of the bushing 1 is provided with the shell 2, the upper end of the bushing 1 is provided with the fixing frame 3, the tops of two sides of the shell 2 are provided with the flanging 4, the rubber plug 5 is arranged below the flanging 4, the damping plate 6 is arranged below the rubber plug 5, the core pipe 13 is arranged below the damping plate 6, the bolt hole 8 is arranged on the right side of the core pipe 13, the fixing hole 14 is arranged on the left side of the core pipe 13, the convex shoulder 12 is arranged in the middle of the core pipe 13, the dust cover 11 is arranged below the convex shoulder 12, the groove 10 is arranged at, the outside of the core tube 13 is provided with buffer cotton 7;

the shell 2 and the flanging 4 are in fillet transition, the shell 2 and the rubber plug 5 are bonded, the fillet transition of the shell 2 and the flanging 4 avoids the fracture of the flanging 4 caused by overlarge force when the bushing 1 is pressed in, the arrangement of the rubber plug 5 effectively reduces the vibration to the core pipe 13 when the engine is started, the vibration amplitude of the engine support is reduced, the shell 2 is symmetrical in position, the bushing 1 is tightly attached to the inside of the shell 2, the assembly precision is improved, and the use of measuring tools is reduced;

the inner wall of the dust cover 11 is tightly attached to the outer wall of the convex shoulder 12, the dust cover 11 and the convex shoulder 12 form a buckling structure through the clamping block 9, the dust cover 11 effectively reduces the dust accumulation and the vibration abrasion on the surface of the convex shoulder 12, the service life of the convex shoulder 12 on the surface of the core pipe 13 is prolonged, the contact surface between the convex shoulder 12 and the damping plate 6 is increased due to the design of the convex shoulder 12, the problem that the convex shoulder 12 and the damping plate are easy to loosen on the horizontal surface is avoided, a user manually adjusts the clamping block 9 to disassemble the dust cover 11, the dust cover 11 is convenient to maintain and replace, and the dust cover 11 is guaranteed to continuously;

the shock absorption plate 6 is matched with the core pipe 13 in shape and structure, the shock absorption plate 6 is movably connected with the core pipe 13, the shock absorption plate 6 is matched with the core pipe 13 in shape and structure, the high attaching performance of the shock absorption plate 6 and the core pipe 13 is improved, the shock absorption plate 6 is prevented from being separated from the core pipe 13 due to the shock generated when an engine is started, and the overall stability of the bushing 1 is improved due to the arrangement of the shock absorption plate 6;

the buffering cotton 7 is bonded with the core pipe 13, two groups of buffering cotton 7 are arranged, the buffering cotton 7 is arranged on two outer sides of the core pipe 13, the engine support is shaken simultaneously due to vibration generated when the engine is started, the buffering cotton 7 reduces direct collision between the core pipe 13 and the fixing frame 3, a certain buffering process is added, so that the impact force on the whole bushing 1 is reduced to the minimum, the buffering cotton 7 and the core pipe 13 are bonded with each other, a user can detach the buffering cotton 7 by manually pulling the buffering cotton 7, and replacement of the buffering cotton 7 is facilitated;

core pipe 13 is the cavity form and distributes, and is linked together between bolt mouth 8 and the fixed port 14, the manual screw that penetrates from bolt mouth 8 of user, wear out from fixed port 14, it is manual to fasten, the stability between 1 and the mount 3 of bush has been increased, the whole fastness of engine support swing arm bush and engine support has been improved simultaneously, user's accessible bolt mouth 8 is dismantled fixed part with fixed port 14, the installation flexibility of engine support swing arm bush has been improved.

The working principle is as follows: for the engine support swing arm bushing with the built-in buffering and damping structure, firstly, the round-angle transition of the shell 2 and the flanging 4 avoids the fracture of the flanging 4 caused by overlarge force when the bushing 1 is pressed in, the rubber plug 5 is tightly attached to the lower part of the shell 2, the dust cover 11 is tightly attached to the convex shoulder 12, a user manually adjusts the clamping block 9 to disassemble the dust cover 11, the damping plate 6 is matched with the core pipe 13 in shape and structure, the buffering cotton 7 is arranged at two outer sides of the core pipe 13, the engine support is simultaneously shaken due to the vibration generated when the engine is started, the direct collision between the core pipe 13 and the fixed frame 3 is reduced by the buffering cotton 7, the buffering cotton 7 and the core pipe 13 are mutually adhered, the user manually pulls the buffering cotton 7 to disassemble the buffering cotton 7, the user manually inserts screws into the bolt holes 8 and penetrates out of the fixed holes 14 to manually fasten the, the stability between the bush 1 and the fixing frame 3 is increased, and a user can detach the fixing part through the bolt hole 8 and the fixing hole 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a built-in buffering shock-absorbing structure's engine support swing arm bush, includes bush (1) and convex shoulder (12), its characterized in that: the lower extreme of bush (1) is provided with shell (2), and the upper end of bush (1) is provided with mount (3), the both sides top of shell (2) is provided with turn-ups (4), and the below of turn-ups (4) is provided with rubber stopper (5), the below of rubber stopper (5) is provided with shock attenuation board (6), and the below of shock attenuation board (6) is provided with core pipe (13), the right side of core pipe (13) is provided with bolt mouth (8), and the left side of core pipe (13) is provided with fixed mouthful (14), the middle part of core pipe (13) is provided with convex shoulder (12), and the below of convex shoulder (12) is provided with dust cover (11), the lower extreme of dust cover (11) is provided with recess (10), and the both ends of dust cover (11) are provided with block (9), the outside of core pipe (13) is provided with buffering cotton (7).

2. The engine support swing arm bushing with a built-in buffer shock absorption structure according to claim 1, wherein: the shell (2) and the flanging (4) are in round angle transition, and the shell (2) is bonded with the rubber plug (5).

3. The engine support swing arm bushing with a built-in buffer shock absorption structure according to claim 1, wherein: the inner wall of the dust cover (11) is tightly attached to the outer wall of the convex shoulder (12), and the dust cover (11) and the convex shoulder (12) form a clamping structure through the clamping block (9).

4. The engine support swing arm bushing with a built-in buffer shock absorption structure according to claim 1, wherein: the shape and the structure of the damping plate (6) are matched with those of the core pipe (13), and the damping plate (6) is movably connected with the core pipe (13).

5. The engine support swing arm bushing with a built-in buffer shock absorption structure according to claim 1, wherein: the buffer cotton (7) is bonded with the core pipe (13), and two groups of buffer cotton (7) are arranged.

6. The engine support swing arm bushing with a built-in buffer shock absorption structure according to claim 1, wherein: the core pipe (13) is distributed in a hollow shape, and the bolt port (8) is communicated with the fixing port (14).