CN221170557U - Damping adjusting structure of shock absorber - Google Patents
Damping adjusting structure of shock absorber Download PDFInfo
- Publication number
- CN221170557U CN221170557U CN202322837332.2U CN202322837332U CN221170557U CN 221170557 U CN221170557 U CN 221170557U CN 202322837332 U CN202322837332 U CN 202322837332U CN 221170557 U CN221170557 U CN 221170557U
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- shock absorber
- pushing block
- valve core
- motor
- vehicle
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- 230000035939 shock Effects 0.000 title claims abstract description 91
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 86
- 238000013016 damping Methods 0.000 title claims abstract description 44
- 230000008859 change Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 25
- 239000010720 hydraulic oil Substances 0.000 description 13
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to a damping adjusting structure of a shock absorber, which is characterized in that: the hydraulic oil-passing device comprises a vehicle shock absorber body and a valve core arranged in the vehicle shock absorber body, wherein a first end of the valve core is inserted with a valve port in the vehicle shock absorber body, an oil-passing channel is formed between the first end of the valve core and the valve port, the opening and closing size of the oil-passing channel can change the damping size of the vehicle shock absorber, and a pushing block capable of pushing the valve core to axially move along the vehicle shock absorber body so as to change the opening and closing size of the oil-passing channel is arranged in the vehicle shock absorber body; the damping force of the vehicle shock absorber can be adjusted through the shock absorber damping adjusting structure, so that the use requirements of different road conditions are met.
Description
Technical Field
The utility model relates to a damping adjusting structure of a shock absorber.
Background
Along with the improvement of people to the comfort requirement of vehicles, more and more vehicles are provided with shock absorbers, the shock absorbers of the current vehicles mainly comprise shock absorption springs and shock absorbers with fixed damping force, and the damping force of the shock absorption springs or the shock absorbers with fixed damping force can not be changed, so that the shock absorbers can not provide the most proper damping for the vehicles under different road conditions, and the riding experience is influenced.
At present, a chinese patent "a novel bottom damping adjustable regulator" is searched, publication No. CN217107991U, which comprises a regulating valve core, the regulating valve core is disposed in a bottom cover of a liquid storage barrel, a circulation inlet hole and a circulation outlet hole are disposed on the regulating valve core, the circulation inlet hole and the circulation outlet hole are communicated through a circulation channel in the regulating valve core, a plurality of circulation inlet holes with different inner diameter sizes are disposed on the regulating valve core, the flow condition of damping oil in the regulating valve core is regulated by selecting the circulation inlet holes with different inner diameter sizes or a closed mode, and then the damping effect is regulated.
Disclosure of Invention
The utility model aims to provide a damper damping adjusting structure of a shock absorber, which can realize the adjustment of the damping force of a vehicle shock absorber so as to meet the use requirements of different road conditions.
The utility model relates to a damping adjusting structure of a shock absorber, which is characterized in that: including the vehicle bumper shock absorber body and establish the case in the vehicle bumper shock absorber body, the first end of case is inserted with the internal valve port of vehicle bumper shock absorber body and is joined in marriage, forms the oil passage between the first end of case and the valve port, and the size of opening and shutting of oil passage can change the damped size of vehicle bumper shock absorber, the internal ejector pad that can promote the case to follow its axial displacement in order to change the oil passage size of opening and shutting of being equipped with of vehicle bumper shock absorber body.
Further, the pushing block is arranged at the second end of the valve core.
Further, the pushing block is driven by a screw nut mechanism driven by a motor to axially move, or driven by a hydraulic cylinder and a cylinder to axially move, or driven by a crank slider mechanism driven by the motor to axially move.
Further, the outer periphery of the pushing block is provided with external threads, the vehicle shock absorber body is internally provided with an internal threaded hole connected with the external threads, the head end of the pushing block is abutted to the second end of the valve core, the tail end of the pushing block is connected with the output shaft of the motor, the pushing block is driven to rotate when the motor rotates, and meanwhile the external threads of the pushing block are matched with the internal threaded hole, so that the pushing block pushes the valve core.
Further, a cutting plane is arranged on the output shaft of the motor, a slotted hole is arranged at the tail end of the pushing block, the cross section shape of the slotted hole is the same as that of the output shaft of the motor, and the slotted hole and the motor are in clearance fit, so that the pushing block can axially move along the output shaft of the motor and can synchronously rotate.
Further, the head end of the pushing block is abutted against the second end of the valve core, the tail end of the pushing block is in threaded connection with the output shaft of the motor, a convex key is arranged on the periphery of the pushing block, and a track which is in sliding fit with the convex key is arranged in a pore canal of the pushing block mounted on the vehicle shock absorber body, so that the pushing block axially slides along the track when the motor and the output shaft rotate.
Further, a pushing block integrated with the valve core is arranged at the second end of the valve core, a groove with a non-circular section is arranged at the tail end of the pushing block, a lug which is inserted and matched with the groove is arranged at the front end of an output shaft of the motor, threads are arranged on the outer peripheral wall of the valve core or the pushing block, and internal threads connected with the threads are arranged on the inner wall of a pore canal for installing the valve core and the pushing block in the vehicle damper body.
Further, a compression spring capable of pushing the valve core to one side of the pushing block is arranged in the vehicle shock absorber body.
Furthermore, the first end of the valve core is in a pointed cone shape, and the valve port is in a cone shape.
Further, a plurality of annular grooves are formed in the periphery of the valve core, and sealing rings are mounted on the annular grooves and are in sealing fit with pore channels of the valve core mounted in the vehicle shock absorber body.
The working method of the damping adjusting structure of the shock absorber is characterized by comprising the following steps: the damping adjusting structure of the shock absorber comprises a vehicle shock absorber body and a valve core arranged in the vehicle shock absorber body, wherein the first end of the valve core is inserted and matched with a valve port in the vehicle shock absorber body, an oil passing channel is formed between the first end of the valve core and the valve port, the opening and closing size of the oil passing channel can change the damping size of the vehicle shock absorber, and a pushing block capable of pushing the valve core to axially move along the vehicle shock absorber body so as to change the opening and closing size of the oil passing channel is arranged in the vehicle shock absorber body;
When the hydraulic damper works, the valve core is driven to axially move by axially moving the pushing block, so that the opening and closing size of an oil passage formed between the first end of the valve core and the valve port is changed, and the damping size of the vehicle damper is changed.
According to the damping adjusting structure of the vehicle damper, the pushing block capable of pushing the valve core to move along the axial direction of the valve core to change the opening and closing size of the oil passing channel is arranged, so that the damping force of the vehicle damper can be adjusted, and the use requirements of different road conditions are met.
Drawings
FIG. 1 is a schematic cross-sectional view of a first embodiment of the present utility model;
FIGS. 2 and 3 are partial views of FIG. 1;
FIG. 4 is a partial exploded view of FIG. 1;
FIG. 5 is a partial view of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a second embodiment of the present utility model;
FIG. 7 is a schematic cross-sectional view of a third embodiment of the present utility model;
FIG. 8 is a partial view of FIG. 7;
fig. 9 is a partially exploded view of fig. 7.
Detailed Description
The damping adjusting structure of the shock absorber comprises a vehicle shock absorber body 1 and a valve core 2 arranged in the vehicle shock absorber body, wherein the first end of the valve core 2 is inserted and matched with a valve port 3 in the vehicle shock absorber body 1, an oil passing channel 4 is formed between the first end of the valve core 2 and the valve port, the opening and closing size of the oil passing channel can change the damping size of the vehicle shock absorber, a pushing block 5 which can push the valve core to move along the axial direction of the valve core to change the opening and closing size of the oil passing channel is arranged in the vehicle shock absorber body 1,
The pushing block can be abutted to the second end part of the valve core, the valve core moves in the axial direction through the pushing of the pushing block, or the pushing block can be abutted to the protruding part at any position in the length direction of the valve core, and the valve core moves in the axial direction through the pushing of the pushing block.
The pushing block can be moved through a plurality of mechanical structures, such as the pushing block is driven to axially move by a screw-nut mechanism driven by a motor, or the pushing block is driven to axially move by a hydraulic cylinder and an air cylinder, or the pushing block is driven to axially move by a crank slide block mechanism driven by a motor, wherein the pushing block is driven to axially move by a screw-nut mechanism driven by a motor in a preferred embodiment.
An embodiment in which the specific pushing block is driven to axially move by a motor-driven lead screw nut mechanism is constructed as follows (as shown in fig. 1-5):
The outer periphery of the pushing block 5 is provided with an external thread 501, the vehicle shock absorber body 1 is internally provided with an internal thread hole 101 connected with the external thread, the head end 502 of the pushing block 5 is abutted against the second end of the valve core, the tail end 503 of the pushing block is connected with the output shaft of the motor 6, the pushing block and the internal thread hole 101 form a screw rod nut mechanism, the pushing block is driven to rotate when the motor rotates, and meanwhile, the external thread of the pushing block is matched with the internal thread hole, so that the pushing block pushes the valve core.
The output shaft of the motor is provided with one, two or a plurality of cutting planes 601, the tail end of the pushing block 5 is provided with a slot 504, the cross section of the slot is identical to that of the output shaft of the motor, and the slot and the motor are in clearance fit, if the cross section of the output shaft is rectangular, the cross section of the slot 504 is rectangular, and the cross section of the output shaft is triangular, the cross section of the slot 504 is triangular, so that the pushing block can axially move along the output shaft of the motor and can synchronously rotate.
When the automobile shock absorber works, the motor output shaft rotates under the drive of the motor to drive the pushing block 5 to synchronously rotate, the rotating pushing block 5 rotates in the internal threaded hole 101 or rotates back, the valve core is pushed when the pushing block 5 rotates in, an oil passing channel 4 formed between the first end of the valve core and the valve port is reduced, a hydraulic oil way in the automobile shock absorber body 1 receives larger resistance when passing through the oil passing channel 4, and the damping of the automobile shock absorber is increased, so that the automobile shock absorber is suitable for being used on a flat road surface; when the pushing block 5 is rotated and retreated, the valve core is subjected to the action of the hydraulic force in the compression spring 7 or the hydraulic oil way, so that the oil passing channel 4 formed between the first end of the valve core and the valve port is enlarged, the resistance of the hydraulic oil way in the vehicle shock absorber body 1 is reduced when the hydraulic oil way passes through the oil passing channel 4, and the damping of the vehicle shock absorber is reduced, and the vehicle shock absorber has better shock absorption when being used on a rugged road.
The second embodiment in which the specific pushing block is driven by a motor-driven screw-nut mechanism to move axially is constructed as follows (as shown in fig. 6):
The head end 502 of the pushing block is abutted against the second end of the valve core, the tail end 503 of the pushing block is in threaded connection with the output shaft of the motor (the pushing block is in threaded connection with the periphery of the output shaft of the motor), a convex key 505 is arranged on the periphery of the pushing block, a track 102 which is in sliding fit with the convex key is arranged in a pore canal of the pushing block installed on the vehicle shock absorber body, and the output shaft of the motor, the pushing block 5 and the track 102 form a screw-nut mechanism so that the pushing block slides along the axial direction of the track when the motor and the output shaft rotate.
When the vehicle shock absorber is in operation, the motor and the output shaft are fixed, the motor and the output shaft rotate, the output shaft and the pushing block are connected through threads, namely, the output shaft and the pushing block form a screw-nut mechanism, the pushing block axially moves under limit fit of the convex key 505 and the track 102 due to rotation of the output shaft, when the pushing block 5 moves towards the valve port, the valve core is pushed, an oil passing channel 4 formed between the first end of the valve core and the valve port is reduced, and a hydraulic oil way in the vehicle shock absorber body 1 receives larger resistance when passing through the oil passing channel 4, so that the damping of the vehicle shock absorber is increased; when the pushing block 5 moves away from the valve port, the valve core is acted by the hydraulic force in the compression spring or the hydraulic oil way, so that the oil passing channel 4 formed between the first end of the valve core and the valve port is enlarged, the resistance of the hydraulic oil way in the vehicle shock absorber body 1 is reduced when the hydraulic oil way passes through the oil passing channel 4, the damping of the vehicle shock absorber is reduced, and the vehicle shock absorber has better shock absorption when being used on a rugged road surface.
The specific pushing block is driven by a motor-driven screw nut mechanism to axially move, and the third embodiment is constructed as follows (as shown in fig. 7-9):
The second end of the valve core 2 is provided with a pushing block 5 integrated with the valve core, the tail end of the pushing block 5 is provided with a channel 202 with a non-circular section, the front end of an output shaft of the motor is provided with a convex block 602 which is inserted and matched with the channel 202, the peripheral wall of the valve core or the pushing block is provided with threads 203, and the inner wall of a pore canal for installing the valve core and the pushing block in the vehicle damper body 1 is provided with internal threads which are in threaded connection with the threads 203.
When the hydraulic shock absorber is in operation, the motor output shaft rotates under the drive of the motor to drive the integrated pushing block 5 and the valve core 2 to synchronously rotate, the rotating pushing block 5 and the valve core 2 are screwed in or back to the internal threaded hole, when the pushing block 5 and the valve core 2 are screwed in, an oil passing channel 4 formed between the first end of the valve core and a valve port is reduced, a hydraulic oil way in the vehicle shock absorber body 1 receives larger resistance when passing through the oil passing channel 4, so that the damping of the vehicle shock absorber is increased, and the vehicle shock absorber is suitable for being used on a flat road surface; when the pushing block 5 and the valve core 2 are rotated and retreated, the valve core is subjected to the action of hydraulic pressure in the compression spring 7 or the hydraulic oil way, so that an oil passing channel 4 formed between the first end of the valve core and the valve port is enlarged, the hydraulic oil way in the vehicle shock absorber body 1 is subjected to resistance reduction when passing through the oil passing channel 4, and the damping of the vehicle shock absorber is reduced, and the vehicle shock absorber has better shock absorption when being used on a rugged road.
In the three embodiments, the compression spring 7 capable of pushing the valve core to one side of the pushing block is installed in the vehicle shock absorber body; the first end of the valve core is pointed cone, and the valve port is cone; the periphery of the valve core is provided with a plurality of annular grooves 201, sealing rings 8 are arranged on the annular grooves, and the sealing rings are in sealing fit with pore passages of the valve core arranged in the body of the vehicle shock absorber.
The vehicle damper of the present utility model can be used for vehicles such as motorcycles and automobiles.
The hydraulic oil way is in the prior art, and is not described herein, and the first end of the valve core and the valve port of the damping adjustment structure are equivalent to a valve forming the hydraulic oil way.
According to the damping adjusting structure of the vehicle damper, the pushing block capable of pushing the valve core to move along the axial direction of the valve core to change the opening and closing size of the oil passing channel is arranged, so that the damping force of the vehicle damper can be adjusted, and the use requirements of different road conditions are met.
Claims (10)
1. The utility model provides a structure is adjusted in bumper shock absorber damping which characterized in that: including the vehicle bumper shock absorber body and establish the case in the vehicle bumper shock absorber body, the first end of case is inserted with the internal valve port of vehicle bumper shock absorber body and is joined in marriage, forms the oil passage between the first end of case and the valve port, and the size of opening and shutting of oil passage can change the damped size of vehicle bumper shock absorber, the internal ejector pad that can promote the case to follow its axial displacement in order to change the oil passage size of opening and shutting of being equipped with of vehicle bumper shock absorber body.
2. The shock absorber damping adjustment structure according to claim 1, wherein: the pushing block is arranged at the second end of the valve core.
3. The shock absorber damping adjustment structure according to claim 1 or 2, characterized in that: the pushing block is driven by a screw rod nut mechanism driven by a motor to axially move, or driven by a hydraulic cylinder and an air cylinder to axially move, or driven by a crank sliding block mechanism driven by the motor to axially move.
4. The shock absorber damping adjustment structure according to claim 1 or 2, characterized in that: the outer periphery of the pushing block is provided with external threads, the vehicle shock absorber body is internally provided with an internal threaded hole connected with the external threads, the head end of the pushing block is abutted to the second end of the valve core, the tail end of the pushing block is connected with the output shaft of the motor, the pushing block is driven to rotate when the motor rotates, and meanwhile, the external threads of the pushing block are matched with the internal threaded hole, so that the pushing block pushes the valve core.
5. The shock absorber damping adjustment structure according to claim 4, wherein: the output shaft of the motor is provided with a cutting plane, the tail end of the pushing block is provided with a slotted hole, the cross section of the slotted hole is identical to that of the output shaft of the motor, and the slotted hole and the motor are in clearance fit, so that the pushing block can axially move along the output shaft of the motor and can synchronously rotate.
6. The shock absorber damping adjustment structure according to claim 1 or 2, characterized in that: the head end of the pushing block is abutted to the second end of the valve core, the tail end of the pushing block is in threaded connection with the output shaft of the motor, a convex key is arranged on the periphery of the pushing block, and a track which is in sliding fit with the convex key is arranged in a pore canal of the pushing block mounted on the vehicle shock absorber body, so that the pushing block axially slides along the track when the motor and the output shaft rotate.
7. The shock absorber damping adjustment structure according to claim 1 or 2, characterized in that: the second end of the valve core is provided with a pushing block which is integrated with the valve core, the tail end of the pushing block is provided with a channel with a non-circular section, the front end of an output shaft of the motor is provided with a lug which is inserted and matched with the channel, the peripheral wall of the valve core or the pushing block is provided with threads, and the inner walls of the pore canal for installing the valve core and the pushing block in the vehicle damper body are provided with internal threads which are in threaded connection with the threads.
8. The shock absorber damping adjustment structure according to claim 1 or 2, characterized in that: the vehicle shock absorber body is internally provided with a compression spring which can push the valve core to one side of the pushing block.
9. The shock absorber damping adjustment structure according to claim 1 or 2, characterized in that: the first end of the valve core is pointed cone, and the valve port is cone.
10. The shock absorber damping adjustment structure according to claim 1 or 2, characterized in that: the periphery of the valve core is provided with a plurality of annular grooves, the annular grooves are provided with sealing rings, and the sealing rings are in sealing fit with pore passages of the valve core arranged in the body of the vehicle shock absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837332.2U CN221170557U (en) | 2023-10-23 | 2023-10-23 | Damping adjusting structure of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837332.2U CN221170557U (en) | 2023-10-23 | 2023-10-23 | Damping adjusting structure of shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221170557U true CN221170557U (en) | 2024-06-18 |
Family
ID=91462369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322837332.2U Active CN221170557U (en) | 2023-10-23 | 2023-10-23 | Damping adjusting structure of shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221170557U (en) |
-
2023
- 2023-10-23 CN CN202322837332.2U patent/CN221170557U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |