CN212839120U - Return oil cooling buffer adjusting mechanism of motorcycle rear axle shock absorber - Google Patents
Return oil cooling buffer adjusting mechanism of motorcycle rear axle shock absorber Download PDFInfo
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- CN212839120U CN212839120U CN202021154570.3U CN202021154570U CN212839120U CN 212839120 U CN212839120 U CN 212839120U CN 202021154570 U CN202021154570 U CN 202021154570U CN 212839120 U CN212839120 U CN 212839120U
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- shock absorber
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- bag
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Abstract
The motorcycle rear axle shock absorber returns oil and cools the buffer regulating mechanism, the upper end of the spring is pressed on the upper assembly of shock absorber, the nitrogen bag is fixed in the containing space of the nitrogen bag and blocks up the air outlet of the containing space of the nitrogen bag; the structure of the regulating valve is as follows: a valve seat step surface is formed on the inner wall of a central hole of the valve seat, the adjusting screw rod is inserted and sleeved in the central hole of the valve seat, an adjusting screw rod step surface is formed on the adjusting screw rod, and the adjusting screw rod step surface is pressed on the valve seat step surface; the valve sleeve is in threaded connection with the central hole of the valve seat, and the upper end of the adjusting screw is in threaded connection with the valve sleeve; the valve sleeve is provided with a valve sleeve oil outlet hole, the valve sleeve oil outlet hole is communicated with the oil inlet hole, the valve core is screwed and fixed in a central hole of the valve sleeve, and the conical needle rod partially extends into the central hole of the valve core; the shock absorber is provided with hydraulic shock absorption besides spring buffering, the shock absorption effect is better, the shock absorption performance can be manually adjusted, and the oil temperature of shock absorption oil can be timely discharged.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field, more specifically say and relate to a motorcycle rear axle bumper shock absorber oil return cooling buffering adjustment mechanism.
Background
The common motorcycle rear axle shock absorber mainly adopts a spring to absorb shock and is not provided with a hydraulic shock absorption system. The motorcycle shock absorbers used in some special occasions, such as the shock absorbers used in motorcycle racing cars, have higher performance and requirements on the shock absorbers due to different operating environments, and firstly, the shock absorbers are required to have better buffering effect, and secondly, the shock absorbers have longer service lives in the operating process. Like motorcycle shock absorbers which fly over a slope, if only springs are used for shock absorption, the shock absorbers are easily damaged and performers are easily injured.
The buffering performance of a common motorcycle damper cannot be adjusted, and different people in different occasions use the same damper, so that the requirements on the buffering performance of the damper are different.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a motorcycle rear axle bumper shock absorber oil return cooling buffering adjustment mechanism to being not enough of prior art, its bumper shock absorber still is furnished with hydraulic shock attenuation except spring buffering, and the shock attenuation effect is better, and its damping performance can also manually be adjusted, and the oil temperature of shock attenuation oil can in time discharge.
The technical solution of the utility model is as follows:
the motorcycle rear axle shock absorber return oil cooling buffering and adjusting mechanism comprises a spring, a shock absorber upper assembly and a cylinder barrel, wherein the lower end of the spring is pressed on the cylinder barrel, the upper end of the spring is pressed on the shock absorber upper assembly, a piston is inserted and sleeved in the cylinder barrel, a nitrogen bag accommodating space is formed in the cylinder barrel, and the nitrogen bag is fixed in the nitrogen bag accommodating space and blocks an air outlet of the nitrogen bag accommodating space;
hydraulic oil is filled in the cylinder barrel, an adjusting valve mounting space and an oil inlet hole are formed in the cylinder barrel, the adjusting valve mounting space is communicated with the inner portion of the cylinder barrel, and the oil inlet hole is communicated with the nitrogen bag accommodating space;
the structure of the regulating valve is as follows: a valve seat step surface is formed on the inner wall of a central hole of the valve seat, the adjusting screw rod is inserted and sleeved in the central hole of the valve seat, an adjusting screw rod step surface is formed on the adjusting screw rod, and the adjusting screw rod step surface is pressed on the valve seat step surface; the valve sleeve is in threaded connection with the central hole of the valve seat, and the upper end of the adjusting screw is in threaded connection with the valve sleeve; the valve sleeve is provided with a valve sleeve oil outlet hole, the valve sleeve oil outlet hole is communicated with the oil inlet hole, the valve core is screwed and fixed in a central hole of the valve sleeve, the upper end of the adjusting screw rod is provided with a conical needle rod, and part of the conical needle rod extends into the central hole of the valve core;
the valve seat is fixed in the adjusting valve installation space in a threaded mode, a first sealing ring is clamped between the valve seat and the inner wall of the adjusting valve installation space, and a second sealing ring is clamped between the valve sleeve and the inner wall of the adjusting valve installation space.
The structure of the nitrogen bag is as follows: the upper end of the semi-ellipsoidal rubber bag body is formed with a bag body tenon, the bag cover is formed with an annular slot, the bag body tenon is inserted and sleeved in the annular slot, the bag cover is fixed on the nitrogen bag containing space in a threaded manner, the bag cover is fixed with an inflation one-way valve, and the upper part of the rubber bag body is clamped between the bag cover and the inner wall of the nitrogen bag containing space.
The lower end of the adjusting screw rod extends out of the lower part of the valve seat, and a straight-groove square groove is formed in the lower end of the adjusting screw rod.
The valve core central hole is communicated with the valve sleeve oil outlet hole, and the valve core central hole is communicated with the cylinder barrel.
The beneficial effects of the utility model reside in that:
the shock absorber is provided with hydraulic shock absorption besides spring buffering, the shock absorption effect is better, the shock absorption performance can be manually adjusted, and the oil temperature of shock absorption oil can be timely discharged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the regulating valve.
In the figure: 1. a spring; 2. a shock absorber upper assembly; 3. a cylinder barrel; 4. a piston; 5. adjusting a valve; 6. a nitrogen pocket.
Detailed Description
Example (b): as shown in fig. 1 and 2, the oil return cooling buffer adjusting mechanism of the motorcycle rear axle shock absorber comprises a spring 1, a shock absorber upper assembly 2 and a cylinder barrel 3, wherein the lower end of the spring 1 is pressed on the cylinder barrel 3, the upper end of the spring 1 is pressed on the shock absorber upper assembly 2, a piston 4 is inserted and sleeved in the cylinder barrel 3, a nitrogen bag accommodating space 31 is formed on the cylinder barrel 3, and a nitrogen bag 6 is fixed in the nitrogen bag accommodating space 31 and blocks an air outlet of the nitrogen bag accommodating space 31;
hydraulic oil is filled in the cylinder barrel 3, an adjusting valve mounting space 32 and an oil inlet hole 33 are formed in the cylinder barrel 3, the adjusting valve mounting space 32 is communicated with the inner part of the cylinder barrel 3, and the oil inlet hole 33 is communicated with the nitrogen bag accommodating space 31;
the structure of the regulating valve 5 is as follows: a valve seat step surface 511 is formed on the inner wall of the central hole of the valve seat 51, the adjusting screw 52 is inserted in the central hole of the valve seat 51, an adjusting screw step surface 521 is formed on the adjusting screw 52, and the adjusting screw step surface 521 is pressed on the valve seat step surface 511; the valve sleeve 53 is screwed on the central hole of the valve seat 51, and the upper end of the adjusting screw 52 is screwed with the valve sleeve 53; the valve sleeve 53 is formed with a valve sleeve oil outlet hole 531, the valve sleeve oil outlet hole 531 is communicated with the oil inlet hole 33, the valve core 54 is screwed and fixed in the central hole of the valve sleeve 53, the upper end of the adjusting screw 52 is formed with a conical needle rod 522, and part of the conical needle rod 522 extends into the valve core central hole 541 of the valve core 54;
the valve seat 51 is screwed and fixed in the regulator valve installation space 32, a first seal ring 55 is sandwiched between the valve seat 51 and the inner wall of the regulator valve installation space 32, and a second seal ring 56 is sandwiched between the valve housing 53 and the inner wall of the regulator valve installation space 32.
The structure of the nitrogen bag 6 is as follows: the upper end of the semi-ellipsoidal rubber bag body 61 is formed with a bag body tenon 611, the bag cover 62 is formed with an annular slot 621, the bag body tenon 611 is inserted and sleeved in the annular slot 621, the bag cover 62 is fixed on the nitrogen bag containing space 31 in a threaded manner, the bag cover 62 is fixed with an inflation check valve 63, and the upper part of the rubber bag body 61 is clamped between the bag cover 62 and the inner wall of the nitrogen bag containing space 31.
The lower end of the adjusting screw 52 extends out of the lower part of the valve seat 51, and a linear groove square groove 523 is formed at the lower end of the adjusting screw 52.
The valve core central hole 541 is communicated with the valve sleeve oil outlet hole 531, and the valve core central hole 541 is communicated with the cylinder 3.
The working principle is as follows: the front end of the upper component 2 of the shock absorber cannot move radially, the load acts on the cylinder 3, the spring 1 and the piston 4 are acted by force, the spring 1 is compressed, the piston 4 compresses hydraulic oil in the cylinder 3, the hydraulic oil in the cylinder 3 enters the nitrogen bag accommodating space 31 along the regulating valve installation space 32, the valve core 54, the valve sleeve oil outlet 531 and the oil inlet 33 to compress the rubber bag body 61, and the rubber bag body 61 is filled with nitrogen.
When the motorcycle is running, the piston 4 can frequently compress the hydraulic oil in the cylinder barrel 3, and the hydraulic oil is in contact with the rubber bag body 61 filled with nitrogen, so that the hydraulic oil can be cooled.
The adjusting screw 52 can be rotated by using the rod cone to face the straight-line groove square groove 523, and the more the conical needle rod 522 extends into the central hole 541 of the valve core, the slower the flow rate of the hydraulic oil entering the nitrogen bag accommodating space 31 of the cylinder barrel 3 is, and vice versa. The flow rate of the hydraulic oil entering the cylinder 3 into the air bag accommodating space 31 can be adjusted by rotating the adjusting screw 52, so that the speed of the piston 4 compressing the hydraulic oil is changed, and the buffering effect of the shock absorber is changed.
Claims (4)
1. Motorcycle rear axle bumper shock absorber oil return cooling buffering adjustment mechanism, including subassembly (2) and cylinder (3) on spring (1), the bumper shock absorber, the lower extreme pressure of spring (1) is on cylinder (3), and the upper end pressure of spring (1) is on subassembly (2) on the bumper shock absorber, and piston (4) plug bush is in cylinder (3), its characterized in that: a nitrogen bag accommodating space (31) is formed on the cylinder barrel (3), and the nitrogen bag (6) is fixed in the nitrogen bag accommodating space (31) and blocks an air outlet of the nitrogen bag accommodating space (31);
hydraulic oil is filled in the cylinder barrel (3), an adjusting valve mounting space (32) and an oil inlet hole (33) are formed in the cylinder barrel (3), the adjusting valve mounting space (32) is communicated with the inner part of the cylinder barrel (3), and the oil inlet hole (33) is communicated with the nitrogen bag accommodating space (31);
the structure of the regulating valve (5) is as follows: a valve seat step surface (511) is formed on the inner wall of a central hole of the valve seat (51), the adjusting screw (52) is inserted in the central hole of the valve seat (51), an adjusting screw step surface (521) is formed on the adjusting screw (52), and the adjusting screw step surface (521) is pressed on the valve seat step surface (511); the valve sleeve (53) is screwed on the central hole of the valve seat (51), and the upper end of the adjusting screw rod (52) is screwed with the valve sleeve (53); an oil outlet hole (531) of the valve sleeve is formed in the valve sleeve (53), the oil outlet hole (531) of the valve sleeve is communicated with the oil inlet hole (33), the valve core (54) is fixed in a central hole of the valve sleeve (53) in a threaded mode, a conical needle rod (522) is formed at the upper end of the adjusting screw rod (52), and part of the conical needle rod (522) extends into a central hole (541) of the valve core (54);
the valve seat (51) is fixed in the regulating valve mounting space (32) in a threaded manner, a first sealing ring (55) is clamped between the valve seat (51) and the inner wall of the regulating valve mounting space (32), and a second sealing ring (56) is clamped between the valve sleeve (53) and the inner wall of the regulating valve mounting space (32).
2. The motorcycle rear axle shock absorber oil return cooling buffer adjustment mechanism of claim 1, characterized in that: the structure of the nitrogen bag (6) is as follows: a bag body tenon (611) is formed at the upper end of the semi-ellipsoidal rubber bag body (61), an annular slot (621) is formed in the bag cover (62), the bag body tenon (611) is inserted and sleeved in the annular slot (621), the bag cover (62) is fixed on the nitrogen bag containing space (31) in a threaded mode, an inflation one-way valve (63) is fixed on the bag cover (62), and the upper portion of the rubber bag body (61) is clamped between the bag cover (62) and the inner wall of the nitrogen bag containing space (31).
3. The motorcycle rear axle shock absorber oil return cooling buffer adjustment mechanism of claim 1, characterized in that: the lower end of the adjusting screw rod (52) extends out of the lower part of the valve seat (51), and a linear groove square groove (523) is formed at the lower end of the adjusting screw rod (52).
4. The motorcycle rear axle shock absorber oil return cooling buffer adjustment mechanism of claim 1, characterized in that: the valve core center hole (541) is communicated with the valve sleeve oil outlet hole (531), and the valve core center hole (541) is communicated with the cylinder barrel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021154570.3U CN212839120U (en) | 2020-06-20 | 2020-06-20 | Return oil cooling buffer adjusting mechanism of motorcycle rear axle shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021154570.3U CN212839120U (en) | 2020-06-20 | 2020-06-20 | Return oil cooling buffer adjusting mechanism of motorcycle rear axle shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839120U true CN212839120U (en) | 2021-03-30 |
Family
ID=75175455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021154570.3U Active CN212839120U (en) | 2020-06-20 | 2020-06-20 | Return oil cooling buffer adjusting mechanism of motorcycle rear axle shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839120U (en) |
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2020
- 2020-06-20 CN CN202021154570.3U patent/CN212839120U/en active Active
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