CN215370740U

CN215370740U - Damping-adjustable shock absorber

Info

Publication number: CN215370740U
Application number: CN202121693539.1U
Authority: CN
Inventors: 赵典锚
Original assignee: Wenzhou Tianyuan Industrial Co ltd
Current assignee: Wenzhou Tianyuan Industrial Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2021-12-31
Anticipated expiration: 2031-07-24

Abstract

The utility model relates to a damping-adjustable shock absorber, which comprises an outer cylinder and an inner cylinder, wherein the outer cylinder is sleeved outside the inner cylinder, the lower end of the outer cylinder is provided with a sleeve pin, the sleeve pin is provided with an inner connecting pipe, the upper end of the inner connecting pipe is positioned in the inner cylinder, a damping oil cavity is arranged inside the inner connecting pipe, the upper end of the inner connecting pipe is provided with a guide seat, a main shaft is arranged in the inner cylinder and penetrates through the guide seat, a piston positioned in the damping oil cavity is connected onto the main shaft, an oil outlet cavity is arranged between the inner connecting pipe and the outer cylinder, a damping adjusting cylinder is integrally formed on the side surface of the sleeve pin and is arranged in parallel with the outer cylinder, a first oil hole and a second oil hole are formed in the damping adjusting cylinder from top to bottom, the first oil hole is communicated with the oil outlet cavity, the second oil hole is communicated with the damping oil cavity, and a damping adjusting mechanism for adjusting the circulation speed of oil is arranged between the first oil hole and the second oil hole, the utility model requires small space and is convenient for manual adjustment.

Description

Damping-adjustable shock absorber

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a shock absorber with adjustable damping.

Background

In order to improve the running stability of an automobile, a shock absorber is usually installed in an automobile suspension, most of shock absorbers adopted on the current market are hydraulic shock absorbers, the hydraulic shock absorbers generally comprise an outer cylinder and an inner cylinder, a main shaft is arranged in the inner cylinder, a piston is connected onto the main shaft, and the piston divides a damping oil cavity into an upper cavity and a lower cavity. The adjusting mechanism of the existing damper with adjustable damping is generally arranged perpendicular to the outer cylinder, so that the whole damper needs to occupy larger use space and is inconvenient to be manually adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a damper with adjustable damping, an adjusting mechanism of the damper is arranged in parallel with an outer cylinder, so that the use space required by the damper is reduced, the adjusting mechanism of the damper is convenient to manually adjust, and the problems existing in the use process in the prior art are solved.

The technical scheme of the utility model is realized as follows: a damping-adjustable shock absorber comprises an outer cylinder and an inner cylinder, wherein the outer cylinder is sleeved outside the inner cylinder, the inner cylinder penetrates out of the upper end of the outer cylinder, a sleeve pin is fixedly connected to the lower end of the outer cylinder, an inner connecting pipe is arranged on the sleeve pin and coaxially arranged in the outer cylinder, the upper end of the inner connecting pipe is located in the inner cylinder, a damping oil cavity is formed in the inner connecting pipe, a guide seat is arranged at the upper end of the inner connecting pipe and is in clearance fit in the inner cylinder, a main shaft is arranged in the inner cylinder and penetrates through the guide seat, a piston is connected to the main shaft and is located in the damping oil cavity, an oil outlet cavity is formed between the inner connecting pipe and the outer cylinder, a damping adjusting cylinder is integrally formed on the side surface of the sleeve pin and is arranged in parallel with the outer cylinder, and a first oil hole and a second oil hole are formed in the damping adjusting cylinder from top to bottom, the first oil hole leads to the oil outlet cavity, the second oil hole leads to the damping oil cavity, and a damping adjusting mechanism used for adjusting the oil flowing speed is arranged between the first oil hole and the second oil hole.

Preferably, damping adjustment mechanism keeps off the seat including fixed cover, siphunculus and annular, fixed cover fixed connection is in the upper end of a damping adjustment section of thick bamboo, the upper end fixed connection of siphunculus is sheathe in fixed, the annular keeps off the seat cover and is established on the siphunculus, the annular keeps off the seat setting between first oilhole and second oilhole, it has the oil drainage way and the regulation chamber that are linked together to open on the siphunculus, it has the draining opening that runs through out from the regulation chamber to open on the siphunculus, draining opening and first oilhole are linked together, it is equipped with the regulation end cap corresponding with the oil drainage way to adjust the intracavity, fixed cover is equipped with the regulation control piece that is used for controlling the regulation end cap to reciprocate.

Preferably, adjust the control including turning block and regulation lid, adjust end cap threaded connection in the regulation intracavity of siphunculus, be formed with the mounting groove between the upper end of siphunculus and the fixed cover, the rotatable setting of turning block is on the mounting groove, the lower extreme of turning block can not carry out the pivoted and insert and establish on adjusting the end cap, the upper end of turning block upwards penetrates out fixed cover, adjust and cover fixed connection on the upper end of turning block.

Preferably, the annular blocking seat is provided with a side oil duct, the lower end of the annular blocking seat is fixedly connected with a cover plate, the cover plate covers the lower part of the side oil duct, the side surface of the lower end of the annular blocking seat is provided with an oil inlet communicated with the side oil duct, and the side surface of the upper end of the annular blocking seat is provided with an oil outlet communicated with the side oil duct.

Preferably, the upper end of the annular blocking seat is provided with an elastic blocking piece, and the elastic blocking piece covers the upper part of the side oil duct.

Preferably, the through pipe comprises a first step, the lower end of the through pipe is fixedly connected with a supporting block, the annular blocking seat is limited between the supporting block and the first step, and the elastic blocking piece is annularly sleeved on the through pipe and is positioned between the annular blocking seat and the first step.

Preferably, the outer side wall of the annular baffle seat is provided with a sealing ring attached to the damping adjusting cylinder.

In conclusion, the beneficial effects of the utility model are as follows:

1. when the damping adjustment mechanism performs damping operation, the piston downwards extrudes oil on the damping oil cavity, so that the oil enters the damping adjustment cylinder through the second oil hole and flows to the oil outlet cavity and the inner cylinder through the first oil hole, the damping adjustment mechanism can adjust the flow speed of the oil flowing from the second oil hole to the first oil hole, the damping force is increased when the flow speed of the oil is reduced, and the damping adjustment cylinder and the outer cylinder are arranged in parallel, so the structure effectively reduces the use space required by the damping adjustment mechanism, wherein the specific operating principle of the damping adjustment mechanism is as follows: because of fluid from the first oilhole of second oilhole arrival, need pass through the oil duct on the siphunculus, and through rotating the regulation lid on the regulation control piece, can drive the turning block and rotate, can drive when the turning block carries out the pivoted and adjust the end cap and carry out the screw thread rotation on the siphunculus, thereby make and adjust the end cap and can reciprocate along with rotating on the siphunculus, when adjusting the end cap and be close to the oil duct downwards, just can slow down fluid from the speed that the oil duct flowed through, this structure conveniently carries out manual regulation.

2. The side oil duct on the annular blocking seat is used for supplying oil to flow to the first oil hole from the second oil hole, and the oil supply flows back to the second oil hole from the first oil hole, when the oil duct is completely blocked due to the adjusting plug, the side oil duct needs to be conducted, the lower end of the side oil duct is covered with the cover plate, and then the oil inlet is formed, the oil flowing speed can be reduced, the elastic blocking piece above the side oil duct can be jacked up when the oil pressure of the upward flowing oil is too large, and can be reset in time when the oil pressure is reduced, the structure can effectively protect the structure, meanwhile, the oil passing speed can be reduced, and the damping force is increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure: 1. an outer cylinder; 2. an inner barrel; 3. sleeving feet; 4. an inner connecting pipe; 5. a damping oil chamber; 6. a guide seat; 7. a main shaft; 8. a piston; 9. an oil outlet cavity; 10. a damping adjustment cylinder; 11. a first oil hole; 12. a second oil hole; 13. fixing a sleeve; 14. pipe passing; 15. an annular baffle seat; 16. a oil passage; 17. an adjustment chamber; 18. an oil drainage port; 19. adjusting the plug; 20. rotating the block; 21. an adjusting cover; 22. mounting grooves; 23. a side oil duct; 24. a cover sheet; 25. an oil inlet; 26. an oil outlet; 27. an elastic baffle plate; 28. a first step; 29. a holding block; 30. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1 and 2, the utility model discloses a damper with adjustable damping, which comprises an outer cylinder 1 and an inner cylinder 2, wherein the outer cylinder 1 is sleeved outside the inner cylinder 2, the inner cylinder 2 penetrates out of the upper end of the outer cylinder 1, a sleeve foot 3 is fixedly connected to the lower end of the outer cylinder 1, an inner connecting pipe 4 is arranged on the sleeve foot 3, the inner connecting pipe 4 is coaxially arranged inside the outer cylinder 1, the upper end of the inner connecting pipe 4 is positioned inside the inner cylinder 2, a damping oil cavity 5 is arranged inside the inner connecting pipe 4, a guide seat 6 is arranged at the upper end of the inner connecting pipe 4, the guide seat 6 is in clearance fit inside the inner cylinder 2, a main shaft 7 is arranged inside the inner cylinder 2, the main shaft 7 penetrates through the guide seat 6, a piston 8 is connected to the main shaft 7, the piston 8 is positioned inside the damping oil cavity 5, an oil outlet cavity 9 is arranged between the inner connecting pipe 4 and the outer cylinder 1, a damping adjusting cylinder 10 is integrally formed on the side surface of the sleeve foot 3, the damping adjusting cylinder 10 and the outer cylinder 1 are arranged in parallel, a first oil hole 11 and a second oil hole 12 are formed in the damping adjusting cylinder 10 from top to bottom, the first oil hole 11 leads to the oil outlet cavity 9, the second oil hole 12 leads to the damping oil cavity 5, and a damping adjusting mechanism used for adjusting the oil flowing speed is arranged between the first oil hole 11 and the second oil hole 12.

When the damping device performs damping work, the piston 8 downwards extrudes oil in the damping oil cavity 5, so that the oil enters the damping adjusting cylinder 10 through the second oil hole 12 and flows to the oil outlet cavity 9 and the inner cylinder 2 through the first oil hole 11, the damping adjusting mechanism can adjust the flow speed of the oil flowing from the second oil hole 12 to the first oil hole 11, the damping force is increased when the flow speed of the oil is reduced, and the damping force is reduced when the flow speed of the oil is increased.

Wherein, damping adjustment mechanism keeps off seat 15 including fixed cover 13, siphunculus 14 and annular, fixed cover 13 fixed connection is in the upper end of a damping adjustment section of thick bamboo 10, the upper end fixed connection of siphunculus 14 is on fixed cover 13, the annular keeps off the seat 15 cover and establishes on siphunculus 14, the annular keeps off the seat 15 and sets up between first oilhole 11 and second oilhole 12, it has the oil duct 16 and the regulation chamber 17 of crossing that are linked together to open on the siphunculus 14, it has the draining port 18 that runs through out from adjusting chamber 17 to open on the siphunculus 14, draining port 18 is linked together with first oilhole 11, be equipped with in the regulation chamber 17 and cross the corresponding regulation end cap 19 of oil duct 16, be equipped with the regulation control piece that is used for controlling regulation end cap 19 to reciprocate on fixed cover 13. This regulation control spare is including turning block 20 and regulation lid 21, adjust end cap 19 threaded connection in the regulation chamber 17 of siphunculus 14, be formed with mounting groove 22 between the upper end of siphunculus 14 and the fixed cover 13, the rotatable setting of turning block 20 is on mounting groove 22, the lower extreme of turning block 20 can not carry out the pivoted and insert and establish on adjusting end cap 19, the upper end of turning block 20 upwards penetrates fixed cover 13, adjust lid 21 fixed connection on the upper end of turning block 20. Because oil liquid reaches first oilhole 11 from second oilhole 12 and needs to pass through oil duct 16 on siphunculus 14, and through the regulation lid 21 on the rotation regulation control spare, can drive turning block 20 and rotate, can drive when turning block 20 rotates and adjust end cap 19 and carry out the screw thread rotation on siphunculus 14, thereby make and adjust end cap 19 and can reciprocate along with rotating on siphunculus 14, when adjusting end cap 19 and be close to oil duct 16 downwards, just can slow down the speed that oil liquid flows through from oil duct 16, this structure conveniently carries out manual regulation.

In addition, the annular blocking seat 15 is provided with a side oil duct 23, the lower end of the annular blocking seat 15 is fixedly connected with a cover plate 24, the cover plate 24 covers the lower part of the side oil duct 23, the side surface of the lower end of the annular blocking seat 15 is provided with an oil inlet 25 communicated with the side oil duct 23, the side surface of the upper end of the annular blocking seat 15 is provided with an oil outlet 26 communicated with the side oil duct 23, the side oil duct 23 is arranged to enable the adjusting plug 19 to completely plug the oil duct 16 without causing the oil to completely stop flowing, the cover plate 24 is arranged to slow down the inflow of the oil from the lower part of the side oil duct 23, the upper end of the annular blocking seat 15 is provided with an elastic blocking piece 27, the elastic blocking piece 27 covers the upper part of the side oil duct 23, the elastic blocking piece 27 can be jacked upwards when the oil pressure flowing upwards is too large and reset in time when the oil pressure is reduced, and the structure can effectively protect the oil pump, meanwhile, the speed of passing oil can be slowed down, and therefore the damping force is increased.

The specific structure of the annular baffle seat 15 arranged on the through pipe 14 is as follows: the through pipe 14 includes a first step 28, the lower end of the through pipe 14 is fixedly connected with a supporting block 29, the annular blocking seat 15 is limited between the supporting block 29 and the first step 28, and the elastic blocking piece 27 is annularly sleeved on the through pipe 14 and is located between the annular blocking seat 15 and the first step 28.

In order to prevent oil from penetrating between the outer side wall of the annular baffle seat 15 and the damping adjusting cylinder 10, a sealing ring 30 attached to the damping adjusting cylinder 10 is arranged on the outer side wall of the annular baffle seat 15.

Meanwhile, the utility model also points out terms such as: the terms "front," "back," "vertical," "horizontal," and the like, as used herein, are intended to refer to an orientation or positional relationship as shown in the drawings for convenience in describing the utility model and in order to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the utility model.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an adjustable damped bumper shock absorber, includes urceolus and inner tube, its characterized in that: the damping device comprises an outer barrel, an inner pipe, a damping oil cavity, a guide seat, a main shaft, a piston, an oil outlet cavity, a damping adjusting barrel, a damping oil cavity, a first oil hole and a second oil hole, wherein the outer barrel is sleeved outside the inner barrel, the inner barrel penetrates through the upper end of the outer barrel, a sleeve pin is fixedly connected to the lower end of the outer barrel, the sleeve pin is provided with the inner connecting pipe, the inner connecting pipe is coaxially arranged in the outer barrel, the upper end of the inner connecting pipe is positioned in the inner barrel, the damping oil cavity is arranged inside the inner connecting pipe, the upper end of the inner connecting pipe is provided with the guide seat, the guide seat is in clearance fit with the inner barrel, the main shaft penetrates through the guide seat, the piston is positioned in the damping oil cavity, the oil outlet cavity is arranged between the inner connecting pipe and the outer barrel, the damping adjusting barrel is integrally formed on the side surface of the sleeve pin, the damping adjusting barrel and the outer barrel are arranged in parallel, the damping adjusting barrel is provided with the first oil hole and the second oil hole from top to bottom, and a damping adjusting mechanism for adjusting the oil flow speed is arranged between the first oil hole and the second oil hole.

2. An adjustable damping shock absorber according to claim 1, wherein: damping adjustment mechanism keeps off the seat including fixed cover, siphunculus and annular, fixed cover fixed connection is in the upper end of a damping adjustment section of thick bamboo, the upper end fixed connection of siphunculus is sheathe in fixedly, the annular keeps off the seat cover and establishes on the siphunculus, the annular keeps off the seat setting between first oilhole and second oilhole, it has the oil duct of crossing that is linked together and adjusts the chamber to open on the siphunculus, it has the draining opening that runs through out from adjusting the chamber to open on the siphunculus, draining opening and first oilhole are linked together, it is equipped with the regulation end cap corresponding with crossing the oil duct to adjust the intracavity, fixed cover is equipped with the regulation control piece that is used for control regulation end cap to reciprocate.

3. An adjustable damping shock absorber according to claim 2, wherein: adjust the control including turning block and regulation lid, adjust end cap threaded connection in the regulation intracavity of siphunculus, be formed with the mounting groove between the upper end of siphunculus and the fixed cover, the rotatable setting of turning block is on the mounting groove, the lower extreme of turning block can not carry out the pivoted and insert and establish on adjusting the end cap, the upper end of turning block upwards penetrates out fixed cover, adjust and cover fixed connection on the upper end of turning block.

4. An adjustable damping shock absorber according to claim 2, wherein: the oil-gas separation device is characterized in that the annular blocking seat is provided with a side oil duct, the lower end of the annular blocking seat is fixedly connected with a cover plate, the cover plate covers the lower portion of the side oil duct, the side face of the lower end of the annular blocking seat is provided with an oil inlet communicated with the side oil duct, and the side face of the upper end of the annular blocking seat is provided with an oil outlet communicated with the side oil duct.

5. An adjustable damping shock absorber according to claim 4, wherein: the upper end of the annular blocking seat is provided with an elastic blocking piece, and the elastic blocking piece covers the upper part of the side oil duct.

6. An adjustable damping shock absorber according to claim 5, wherein: the upper end of the through pipe is fixedly connected with a supporting block, the annular blocking seat is limited between the supporting block and the first step, and the elastic blocking piece is annularly sleeved on the through pipe and is positioned between the annular blocking seat and the first step.

7. An adjustable damping shock absorber according to claim 6, wherein: and a sealing ring attached to the damping adjusting cylinder is arranged on the outer side wall of the annular baffle seat.