CN213064457U

CN213064457U - Damping device for automotive suspension

Info

Publication number: CN213064457U
Application number: CN202022158266.2U
Authority: CN
Inventors: 陆毅
Original assignee: Guangxi Polytechnic Vocational Technical School
Current assignee: Guangxi Polytechnic Vocational Technical School
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-04-27
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a damping device for automotive suspension, including lug, cushion, pull rod, screw thread and supporting spring, the cushion is installed on the top of lug, and the bottom and the lug fixed connection of cushion to the top of cushion is equipped with a pressure section of thick bamboo, the connecting seat is installed on the top of a pressure section of thick bamboo, and the bottom and the pressure section of thick bamboo fixed connection of connecting seat to the inside of connecting seat is equipped with places the chamber, place the outer wall and the connecting seat fixed connection in chamber, and place the central point department of putting of intracavity portion and install the bush, and the outer wall of bush with place chamber fixed connection, be equipped with the screw thread on the pressure section of thick bamboo outer wall of connecting seat below, and threaded surface cover is equipped with the nut piece to the bottom of nut piece is equipped with supporting. The utility model discloses not only realized damping device and to the efficient decay of low frequency vibrations, increased damping device's control range, improved the stability of damping device during operation moreover.

Description

Damping device for automotive suspension

Technical Field

The utility model relates to a damping device technical field specifically is a damping device for automotive suspension.

Background

In the manufacturing process of an automobile, a shock absorber is one of important mechanism parts for the structure and adjustment of an automobile chassis, the structure of the shock absorber influences the controllability and the comfort of the whole automobile, and the stability and the reliability of the performance are high or not.

The damping device on the market is various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:

(1) the existing damping device is generally inconvenient to adjust different elasticity of the damping device when in use, so that the convenience degree of the damping device when in use is seriously influenced;

(2) the existing damping device is generally inconvenient to efficiently attenuate low-frequency vibration when in use, so that the reliability of the damping device in use is greatly influenced;

(3) the existing damping device is not convenient for the efficient protection capability of the damping structure when in use, thereby bringing great trouble to people.

Disclosure of Invention

To solve the problems set forth in the background art described above. The utility model provides a damping device for automotive suspension both can have realized having increased damping device's control range to the regulation of the different elasticity of damping device, has realized damping device again and to the decay of low frequency vibrations efficient, has reduced the resonant production of low frequency vibration initiation, has improved the shock attenuation effect of bumper shock absorber, has realized shock-absorbing structure efficient protective capacities simultaneously, has guaranteed the reliability that shock-absorbing structure connects, has improved the stability of damping device during operation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a damping device for automotive suspension, includes lug, cushion, pull rod, screw thread and supporting spring, the cushion is installed on the top of lug, and the bottom and the lug fixed connection of cushion to the top of cushion is equipped with a pressure section of thick bamboo, the connecting seat is installed on the top of a pressure section of thick bamboo, and the bottom and the pressure section of thick bamboo fixed connection of connecting seat to the inside of connecting seat is equipped with places the chamber, place the outer wall and the connecting seat fixed connection in chamber, and place the central point department of putting of intracavity portion and install the bush, and the outer wall of bush with place chamber fixed connection, be equipped with the screw thread on the pressure section of thick bamboo outer wall of connecting seat below, and threaded surface cover is equipped with the nut piece to the bottom of nut piece is equipped with supporting spring, supporting spring's bottom and cushion fixed connection, and supporting spring.

Preferably, the central position inside the cushion block is provided with a pull rod, the bottom end of the pull rod is fixedly connected with the cushion block, and the top end of the pull rod extends into the pressure cylinder, so that the connection of the pull rod with stable structure is realized.

Preferably, be equipped with the safety cover on the outer wall of cushion one side, and the bottom and the cushion fixed connection of safety cover to the inside of safety cover is equipped with the expansion cover, and the one end of expansion cover extends to the outside of safety cover, has realized shock-absorbing structure efficient protective capacities.

Preferably, the safety cover bottom of telescopic cover below is equipped with the cassette, and the bottom and the safety cover fixed connection of cassette to the top of cassette is equipped with driving spring, driving spring's bottom and cassette fixed connection, driving spring's top and telescopic cover fixed connection have guaranteed the reliability that shock-absorbing structure connects.

Preferably, the piston is installed on the pull rod top of pressure cylinder one side, and the bottom and the pull rod fixed connection of piston to the inside oil storage chamber that is equipped with of pressure cylinder of piston one side, the outer wall and the pressure cylinder fixed connection in oil storage chamber have realized damping device and have shaken the efficient decay to the low frequency.

Preferably, the pressure cylinder bottom of oil storage chamber below is equipped with the support frame, and the outer wall and the pressure cylinder fixed connection of support frame to the inside of support frame is equipped with the sealing washer, has reduced the resonant production of low frequency vibration initiation.

Compared with the prior art, the beneficial effects of the utility model are that: the damping device not only realizes the efficient attenuation of the damping device to low-frequency vibration, increases the adjusting range of the damping device, but also improves the stability of the damping device during working;

(1) the lifting lug 1 is connected with an automobile suspension through a worker, the connecting seat 5 is connected with an automobile frame, when the damping device works, the connecting seat 5 pushes the supporting spring 10 to compress under the support of the cushion block 2, the supporting spring 10 performs buffering and damping, when the damping torque needs to be adjusted, the distance between the cushion block 2 and the nut block 8 is adjusted under the matching of the thread 9 and the nut block 8 by rotating the nut block 8, so that the damping force of the damping device is adjusted, the adjustment of different elastic forces of the damping device is realized, and the adjusting range of the damping device is enlarged;

(2) when the damping device works, the supporting spring 10 performs primary damping on an automobile suspension, the pull rod 3 pushes the piston 301 to slide in the oil storage cavity 302 under the matching of the lifting lug 1 and the connecting seat 5, the oil inlet and outlet hole in the piston 301 pushes hydraulic oil in the pressure cylinder 4 to move under the supporting of the pressure cylinder 4, the damping device is subjected to secondary damping by the resistance of the piston 301 caused by the hydraulic oil, the pull rod 3 and the pressure cylinder 4 are sealed by the sealing ring 304 under the supporting of the supporting frame 303, the damping device is effectively damped for low-frequency vibration, the generation of resonance caused by low-frequency vibration is reduced, and the damping effect of the damper is improved;

(3) install safety cover 202 on the surface of cushion 2 through the staff, with the inside of flexible cover 201 injection safety cover 202, under the support of cassette 204, driving spring 203 carries out elastic support to flexible cover 201, shelter from the protection by flexible cover 201 and safety cover 202 mutually supporting to supporting spring 10, the inside that blocks outside impurity entering supporting spring 10 influences its working property, press into the inside of placing chamber 6 with bush 7, the material of bush 7 is high density rubber, be connected with frame exterior structure through bush 7, reduce the wearing and tearing between the mechanical transmission with bush 7, and reduce vibration and noise, shock-absorbing structure efficient protective capacities has been realized, shock-absorbing structure's reliability of connecting has been guaranteed, the stability of damping device during operation has been improved.

Drawings

Fig. 1 is a schematic view of a three-dimensional cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the retractable cover of the present invention;

FIG. 3 is a schematic view of the top cross-section of the telescopic hood of the present invention;

fig. 4 is a schematic view of the front cross-sectional structure of the pull rod of the present invention.

In the figure: 1. lifting lugs; 2. cushion blocks; 201. a telescopic cover; 202. a protective cover; 203. a drive spring; 204. a card holder; 3. a pull rod; 301. a piston; 302. an oil storage chamber; 303. a support frame; 304. a seal ring; 4. a pressure cylinder; 5. a connecting seat; 6. a placement chamber; 7. a bushing; 8. a nut block; 9. a thread; 10. supporting the spring.

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. 1-4, the present invention provides an embodiment: a damping device for an automobile suspension comprises a lifting lug 1, a cushion block 2, a pull rod 3, threads 9 and a supporting spring 10, wherein the cushion block 2 is installed at the top end of the lifting lug 1, the bottom end of the cushion block 2 is fixedly connected with the lifting lug 1, a pressure cylinder 4 is arranged at the top end of the cushion block 2, a connecting seat 5 is installed at the top end of the pressure cylinder 4, the bottom end of the connecting seat 5 is fixedly connected with the pressure cylinder 4, a placing cavity 6 is arranged inside the connecting seat 5, the outer wall of the placing cavity 6 is fixedly connected with the connecting seat 5, a bushing 7 is installed at the central position inside the placing cavity 6, the outer wall of the bushing 7 is fixedly connected with the placing cavity 6, the threads 9 are arranged on the outer wall of the pressure cylinder 4 below the connecting seat 5, a nut block 8 is sleeved on the surface of the threads 9, the supporting spring 10 is arranged at the bottom end of the nut block 8, the bottom end of the supporting spring 10, a pull rod 3 is arranged at the center position inside the cushion block 2, the bottom end of the pull rod 3 is fixedly connected with the cushion block 2, and the top end of the pull rod 3 extends into the pressure cylinder 4;

when the damping device works, the connecting seat 5 pushes the supporting spring 10 to compress under the support of the cushion block 2, the supporting spring 10 performs buffering and damping, when the damping torque needs to be adjusted, the distance between the cushion block 2 and the nut block 8 is adjusted under the matching of the threads 9 and the nut block 8 by rotating the nut block 8, so that the damping force of the damping device is adjusted, the adjustment of different elastic forces of the damping device is realized, and the adjustment range of the damping device is increased;

a protective cover 202 is arranged on the outer wall of one side of the cushion block 2, the bottom end of the protective cover 202 is fixedly connected with the cushion block 2, a telescopic cover 201 is arranged inside the protective cover 202, one end of the telescopic cover 201 extends to the outside of the protective cover 202, a clamping seat 204 is arranged at the bottom end of the protective cover 202 below the telescopic cover 201, the bottom end of the clamping seat 204 is fixedly connected with the protective cover 202, a driving spring 203 is arranged at the top end of the clamping seat 204, the bottom end of the driving spring 203 is fixedly connected with the clamping seat 204, and the top end of the driving spring 203 is fixedly connected;

during the use, install safety cover 202 on the surface of cushion 2 through the staff, with the inside of flexible cover 201 injection safety cover 202, under the support of cassette 204, driving spring 203 carries out elastic support to flexible cover 201, shelter from the protection by flexible cover 201 and safety cover 202 mutually supporting to supporting spring 10, stop outside impurity to get into supporting spring 10's inside and influence its working property, press bush 7 into the inside of placing chamber 6, the material of bush 7 is high density rubber, be connected through bush 7 and frame exterior structure, come to reduce wearing and tearing between the mechanical transmission with bush 7, and reduce vibration and noise, shock-absorbing structure efficient protective capacities has been realized, the reliability of shock-absorbing structure connection has been guaranteed, the stability of damping device during operation has been improved.

A piston 301 is mounted at the top end of the pull rod 3 on one side of the pressure cylinder 4, the bottom end of the piston 301 is fixedly connected with the pull rod 3, an oil storage cavity 302 is arranged inside the pressure cylinder 4 on one side of the piston 301, the outer wall of the oil storage cavity 302 is fixedly connected with the pressure cylinder 4, a support frame 303 is arranged at the bottom end of the pressure cylinder 4 below the oil storage cavity 302, the outer wall of the support frame 303 is fixedly connected with the pressure cylinder 4, and a sealing ring 304 is arranged inside the support frame 303;

during the use, through damping device during operation, supporting spring 10 carries out the primary shock attenuation to automotive suspension, under the cooperation of lug 1 and connecting seat 5, it slides in the inside of oil storage chamber 302 to promote piston 301 by pull rod 3, under the support of pressure cylinder 4, the inside business turn over oilhole of piston 301 promotes the inside hydraulic oil removal of pressure cylinder 4, the resistance of giving piston 301 by hydraulic oil carries out the shock attenuation once more to damping device, under the support of support frame 303, sealing washer 304 seals pull rod 3 and pressure cylinder 4, damping device has been realized to low frequency vibrations efficient decay, the production of low frequency vibration initiation resonance has been reduced, the shock attenuation effect of bumper shock absorber has been improved.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the lifting lug 1 is connected with the automobile suspension by the staff, the connecting seat 5 is connected with the automobile frame, when the damping device works, under the support of the cushion block 2, the connecting seat 5 pushes the support spring 10 to compress, the support spring 10 is used for buffering and damping, when the damping torque needs to be adjusted, the distance between the cushion block 2 and the nut block 8 is adjusted under the coordination of the screw thread 9 and the nut block 8 by rotating the nut block 8, thereby adjusting the damping force of the damping device, realizing the adjustment of different elastic forces of the damping device, increasing the adjustment range of the damping device, then, when the damping device works, the support spring 10 is used for carrying out primary damping on the automobile suspension, under the coordination of the lifting lug 1 and the connecting seat 5, the pull rod 3 is used for pushing the piston 301 to slide in the oil storage cavity 302, under the support of the pressure cylinder 4, the oil inlet and outlet hole in the piston 301 is used for pushing the hydraulic oil in the pressure cylinder 4 to move, the damping device is damped again by the resistance of hydraulic oil to the piston 301, the sealing ring 304 seals the pull rod 3 and the pressure cylinder 4 under the support of the support frame 303, the damping device can efficiently attenuate low-frequency vibration, the generation of resonance caused by low-frequency vibration is reduced, the damping effect of the damper is improved, then the protective cover 202 is arranged on the surface of the cushion block 2 by workers, the telescopic cover 201 is inserted into the protective cover 202, the telescopic cover 201 is elastically supported by the driving spring 203 under the support of the clamping seat 204, the telescopic cover 201 and the protective cover 202 are mutually matched to shield and protect the supporting spring 10 so as to prevent external impurities from entering the inside of the supporting spring 10 to influence the working performance of the supporting spring, the lining 7 is pressed into the inside of the placing cavity 6, the lining 7 is made of high-density rubber and is structurally connected with the outer part of the frame through the lining 7, and the lining 7 is used for reducing the abrasion between mechanical transmissions, and the vibration and noise are reduced, the efficient protective capability of the damping structure is realized, the connection reliability of the damping structure is ensured, the working stability of the damping device is improved, and the use work of the damping device is completed.

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 damping device for automotive suspension, includes lug (1), cushion (2), pull rod (3), screw thread (9) and supporting spring (10), its characterized in that: the lifting device is characterized in that a cushion block (2) is installed at the top end of the lifting lug (1), the bottom end of the cushion block (2) is fixedly connected with the lifting lug (1), a pressure cylinder (4) is arranged at the top end of the cushion block (2), a connecting seat (5) is installed at the top end of the pressure cylinder (4), the bottom end of the connecting seat (5) is fixedly connected with the pressure cylinder (4), a placing cavity (6) is arranged inside the connecting seat (5), the outer wall of the placing cavity (6) is fixedly connected with the connecting seat (5), a bushing (7) is installed at the central position inside the placing cavity (6), the outer wall of the bushing (7) is fixedly connected with the placing cavity (6), threads (9) are arranged on the outer wall of the pressure cylinder (4) below the connecting seat (5), a nut block (8) is sleeved on the surface of the threads (9), and a supporting spring (10) is arranged at, the bottom end of the supporting spring (10) is fixedly connected with the cushion block (2), and the top end of the supporting spring (10) is fixedly connected with the nut block (8).

2. A shock-absorbing device for automobile suspensions according to claim 1, characterized in that: the central position department in cushion (2) inside is equipped with pull rod (3), and the bottom and cushion (2) fixed connection of pull rod (3) to the top of pull rod (3) extends to the inside of pressure cylinder (4).

3. A shock-absorbing device for automobile suspensions according to claim 1, characterized in that: be equipped with safety cover (202) on the outer wall of cushion (2) one side, and the bottom and cushion (2) fixed connection of safety cover (202) to the inside of safety cover (202) is equipped with flexible cover (201), and the one end of flexible cover (201) extends to the outside of safety cover (202).

4. A shock-absorbing device for automobile suspensions according to claim 3, characterized in that: the telescopic cover is characterized in that a clamping seat (204) is arranged at the bottom end of the protection cover (202) below the telescopic cover (201), the bottom end of the clamping seat (204) is fixedly connected with the protection cover (202), a driving spring (203) is arranged at the top end of the clamping seat (204), the bottom end of the driving spring (203) is fixedly connected with the clamping seat (204), and the top end of the driving spring (203) is fixedly connected with the telescopic cover (201).

5. A shock-absorbing device for automobile suspensions according to claim 1, characterized in that: piston (301) are installed on pull rod (3) top of pressure cylinder (4) one side, and the bottom and pull rod (3) fixed connection of piston (301) to inside oil storage chamber (302) that is equipped with of pressure cylinder (4) one side of piston (301), the outer wall and the pressure cylinder (4) fixed connection of oil storage chamber (302).

6. A shock-absorbing device for automobile suspensions according to claim 5, characterized in that: pressure section of thick bamboo (4) bottom below oil storage chamber (302) is equipped with support frame (303), and the outer wall and the pressure section of thick bamboo (4) fixed connection of support frame (303) to the inside of support frame (303) is equipped with sealing washer (304).