CN219639331U - Variable damping type shock absorber - Google Patents
Variable damping type shock absorber Download PDFInfo
- Publication number
- CN219639331U CN219639331U CN202320543934.4U CN202320543934U CN219639331U CN 219639331 U CN219639331 U CN 219639331U CN 202320543934 U CN202320543934 U CN 202320543934U CN 219639331 U CN219639331 U CN 219639331U
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- piston
- cylinder
- shock absorber
- box body
- wall
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- 230000035939 shock Effects 0.000 title claims abstract description 59
- 238000013016 damping Methods 0.000 title claims abstract description 49
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009063 long-term regulation Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to the field of shock absorbers, in particular to a variable damping type shock absorber which comprises a box body a, a shock absorption cylinder, a cylinder body, a connecting body, a spring adjusting disc and a control system, wherein the box body a is provided with a first damping type damping device; a piston a is arranged in the box body b, the piston b is arranged between the outer wall of the box body b and the inner wall of the box body a, a telescopic device a is arranged in the box body b, and a telescopic device b is arranged in the box body a; the damping cylinder is vertically arranged on the hydraulic chamber a, a piston c, a piston d and a piston e are sequentially arranged in the damping cylinder from bottom to top, a piston rod a is vertically arranged on the piston e, and the top of the piston rod a is connected with the connecting body; the cylinder is vertically arranged on the hydraulic chamber b, a piston f is arranged in the cylinder, a piston rod b is vertically arranged on the piston f, and the top of the piston rod b is connected with the bottom of the spring adjusting disc; the spring adjusting disc is sleeved on the damping cylinder; the spring is sleeved on the damping cylinder. The utility model can stably adjust the spring, can remotely control the telescopic device a and the telescopic device b at any time, and is more convenient to use.
Description
Technical Field
The utility model relates to the field of shock absorbers, in particular to a variable damping type shock absorber.
Background
The shock absorber mainly comprises a spring and a shock absorbing cylinder, wherein the spring is used for buffering the impact of the ground, and the shock absorbing cylinder is responsible for damping the back and forth vibration of the spring. In order to meet the demands of different degrees of damping, variable damping type shock absorbers have emerged.
The Chinese patent with the publication number of CN217558867U discloses a variable damping type shock absorber, which comprises an outer shell and a shock absorption cylinder, wherein corrugated pipes are symmetrically arranged at two ends of the outer shell, pull rods are arranged at two sides of the corrugated pipes, one ends of the two groups of pull rods are fixedly connected with one ends of the corrugated pipes, an installation seat is arranged at one end of the inner part of the outer shell, the shock absorption cylinder is arranged in the shock absorption cylinder, a fixing seat is fixedly arranged at one end of the shock absorption cylinder, the diameter of the fixing seat is identical to that of the installation seat, the fixing seat is connected with the installation seat through a bolt, a piston rod is arranged at the other end of the shock absorption cylinder in an inserted manner, an adjusting nut is arranged at one end of the piston rod through threads, an adjusting disc is arranged outside the shock absorption cylinder, and a sealing ring is arranged to enable the floating piston and a piston block to reciprocate in the shock absorption cylinder to lengthen or shorten the stroke so as to achieve the effect of adjustment.
However, the above disclosed solution has the following disadvantages: the regulation of the spring is carried out through the regulating disc, and the thread of the regulating disc is arranged on the shock absorption cylinder, the reciprocating vibration of the spring easily drives the regulating disc to rotate, and the spring is difficult to stably maintain at a specific position, namely, the stable long-term regulation of the spring cannot be ensured. In addition, the damper cylinder and the spring are manually adjusted, so that the damper cylinder can not be remotely adjusted and is inconvenient to use.
Disclosure of Invention
The utility model aims to solve the problems that an adjusting disc is difficult to stably maintain at a set position, the stability of spring adjustment cannot be maintained for a long time and remote adjustment cannot be performed in the prior art, and provides a variable damping type shock absorber.
The technical scheme of the utility model is as follows: a variable damping type shock absorber comprises a box body a, a shock absorption cylinder, a cylinder body, a connecting body, a spring adjusting disc and a control system;
a box body b is arranged in the box body a, a piston a is arranged in the box body b, a piston b is arranged between the outer wall of the box body b and the inner wall of the box body a, a hydraulic chamber a and a hydraulic chamber b which are positioned inside and outside the box body b are formed in the box body a, a telescopic device a for driving the piston a to move is arranged in the box body b, and a telescopic device b for driving the piston b to move is arranged in the box body a; the control system is in control connection with the telescopic device a and the telescopic device b;
the damping cylinder is vertically arranged on the hydraulic chamber a, a piston c, a piston d and a piston e are sequentially arranged in the damping cylinder from bottom to top, an air chamber is formed between the piston c and the piston d, an oil chamber is formed above the piston d, a piston rod a is vertically arranged on the piston e, the top of the piston rod a is connected with the connecting body, and movable sealing is arranged between the piston rod a and the top of the damping cylinder; the cylinder body is vertically arranged on the hydraulic chamber b, a piston f is arranged in the cylinder body, a piston rod b is vertically arranged on the piston f, the top of the piston rod b is connected with the bottom of the spring adjusting disc, and movable sealing is arranged between the piston rod b and the top of the cylinder body; the spring adjusting disc is sleeved on the damping cylinder; the spring is sleeved on the shock absorption cylinder, and two ends of the spring are respectively connected with the connecting body and the spring adjusting disc.
Preferably, a plurality of groups of through holes are arranged on the piston e.
Preferably, the cylinder body, the piston f and the piston rod b are all provided with a plurality of groups, and the plurality of groups of cylinder bodies are uniformly distributed along the circumferential direction by taking the axis of the damping cylinder as the center.
Preferably, the telescopic device a and the telescopic device b are air cylinders or hydraulic cylinders.
Preferably, the spring adjusting disk is provided with an avoidance hole for the damping cylinder to pass through, and the wall of the avoidance hole is attached to the outer wall of the damping cylinder.
Preferably, the spring adjusting plate is provided with an avoidance hole for the damping cylinder to pass through, the wall of the avoidance hole is attached to the outer wall of the damping cylinder, a plurality of groups of slots are formed in the wall of the avoidance hole, a plurality of groups of plugboards are vertically arranged on the outer wall of the damping cylinder, and the plugboards are matched and inserted into the slots.
Preferably, the spring adjusting plate is provided with an avoidance hole for the damping cylinder to pass through, the wall of the avoidance hole is attached to the outer wall of the damping cylinder, a plurality of groups of inserting plates are arranged on the wall of the avoidance hole, a plurality of groups of inserting grooves are vertically arranged on the outer wall of the damping cylinder, and the inserting plates are matched and inserted into the inserting grooves.
Preferably, a plurality of groups of guide rods are vertically arranged at the top of the box body a, and a plurality of groups of guide holes for the guide rods to pass through are formed in the spring adjusting disc.
Compared with the prior art, the utility model has the following beneficial technical effects: the upper and lower positions of the piston c are adjusted through the telescopic device a, so that the gas volume in the air cabin is adjusted, the reciprocating movement travel distance of the piston d and the piston e in the damping cylinder is changed, and different damping effects are achieved. The upper and lower positions of the piston f are changed through the telescopic device b, so that the upper and lower positions of the spring adjusting disc are changed through the piston rod b, the distance between the connecting body and the spring adjusting disc in reciprocating oscillation is adjusted, and the effect of adjusting the hardness during shock absorption is achieved. The spring adjusting disc cannot change in position along with vibration of the spring, and the spring can be stably adjusted. And the telescopic device a and the telescopic device b can be controlled remotely at any time through the control system, so that the use is more convenient.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a side cross-sectional view of FIG. 1;
fig. 3 is a top cross-sectional view of fig. 1.
Reference numerals: 1. a box body a; 2. a box b; 3. a hydraulic chamber a; 4. a hydraulic chamber b; 5. a piston a; 6. a piston b; 7. a telescoping device a; 8. a telescoping device b; 9. a shock absorbing cylinder; 10. a cylinder; 11. a piston c; 12. a piston d; 13. a piston e; 14. a through hole; 15. a piston rod a; 16. a connecting body; 17. a spring; 18. a piston f; 19. a piston rod b; 20. a spring adjustment plate; 21. a guide rod.
Detailed Description
Example 1
As shown in fig. 1-3, the variable damping type shock absorber provided by the utility model comprises a box body a1, a shock absorption cylinder 9, a cylinder body 10, a connecting body 16, a spring 17, a spring adjusting disc 20 and a control system;
a box body b2 is arranged in the box body a1, a piston a5 is arranged in the box body b2, a piston b6 is arranged between the outer wall of the box body b2 and the inner wall of the box body a1, a hydraulic chamber a3 and a hydraulic chamber b4 which are positioned inside and outside the box body b2 are formed in the box body a1, a telescopic device a7 which drives the piston a5 to move is arranged in the box body b2, a telescopic device b8 which drives the piston b6 to move is arranged in the box body a1, and the telescopic device a7 and the telescopic device b8 are air cylinders or hydraulic cylinders; the control system is in control connection with the telescopic device a7 and the telescopic device b 8;
the damping cylinder 9 is vertically arranged on the hydraulic chamber a3, a piston c11, a piston d12 and a piston e13 are sequentially arranged in the damping cylinder 9 from bottom to top, an air chamber is formed between the piston c11 and the piston d12, an oil chamber is formed above the piston d12, a plurality of groups of through holes 14 are formed in the piston e13, a piston rod a15 is vertically arranged on the piston e13, the top of the piston rod a15 is connected with the connecting body 16, and movable sealing is arranged between the piston rod a15 and the top of the damping cylinder 9; the cylinder body 10 is vertically arranged on the hydraulic chamber b4, a piston f18 is arranged in the cylinder body 10, a piston rod b19 is vertically arranged on the piston f18, the top of the piston rod b19 is connected with the bottom of the spring adjusting disc 20, movable seals are arranged between the piston rod b19 and the top of the cylinder body 10, a plurality of groups of cylinder bodies 10, the piston f18 and the piston rod b19 are arranged, and the cylinder bodies 10 of the plurality of groups are uniformly distributed along the circumferential direction by taking the axis of the shock absorption cylinder 9 as the center; the spring adjusting disc 20 is sleeved on the shock absorption cylinder 9, a plurality of groups of guide rods 21 are vertically arranged at the top of the box body a1, and a plurality of groups of guide holes for the guide rods 21 to pass through are formed in the spring adjusting disc 20; the spring 17 is sleeved on the shock absorption cylinder, and two ends of the spring 17 are respectively connected with the connecting body 16 and the spring adjusting disc 20.
Working principle: when jolting, the piston rod a15 drives the piston e13 to reciprocate in the shock-absorbing cylinder 9, and when the adjustment is needed, the upper and lower positions of the piston c11 are adjusted through the telescopic device a7, so that the gas volume in the gas cabin is adjusted, the reciprocating travel distance of the piston d12 and the piston e13 in the shock-absorbing cylinder 9 is changed, and different shock-absorbing damping effects are achieved. Meanwhile, a spring adjusting disc 20 is arranged outside the shock absorber 9, the telescopic device b8 is controlled to stretch and retract according to the requirement, and the up-down position of the piston f18 is changed, so that the up-down position of the spring adjusting disc 20 is changed through a piston rod b19, the distance between the connecting body 16 and the spring adjusting disc 20 is adjusted, and the effect of softness and hardness in shock absorption adjustment is achieved.
In this embodiment, the up-down position of the piston c11 is adjusted by the telescopic device a7, so as to adjust the gas volume in the gas cabin, so as to change the reciprocating travel distance of the piston d12 and the piston e13 in the shock-absorbing cylinder 9, and achieve different shock-absorbing and damping effects. The upper and lower positions of the piston f18 are changed through the telescopic device b8, so that the upper and lower positions of the spring adjusting disc 20 are changed through the piston rod b19, the distance between the connecting body 16 and the spring adjusting disc 20 in reciprocating oscillation is adjusted, and the effect of adjusting hardness in shock absorption is achieved. The spring adjusting disk 20 does not change in position along with the oscillation of the spring 17, and can stably adjust the spring 17. And the telescopic device a7 and the telescopic device b8 can be controlled remotely at any time through the control system, so that the use is more convenient.
Example two
As shown in fig. 1-2, in the variable damping shock absorber according to the present utility model, compared with the first embodiment, the spring adjusting plate 20 is provided with an avoiding hole for the shock absorber tube 9 to pass through, and the wall of the avoiding hole is attached to the outer wall of the shock absorber tube 9. The hole wall is avoided and a plurality of groups of slots are arranged, a plurality of groups of plugboards are vertically arranged on the outer wall of the shock absorption cylinder 9, the plugboards are matched and inserted into the slots, or a plurality of groups of plugboards are arranged on the hole wall, a plurality of groups of slots are vertically arranged on the outer wall of the shock absorption cylinder 9, and the plugboards are matched and inserted into the slots.
In this embodiment, the manner of the matching of the insert plate and the slot can ensure that the spring adjusting plate 20 keeps moving in the vertical direction, and a stable horizontal support is provided for the bottom of the spring 17.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (8)
1. The variable damping type shock absorber is characterized by comprising a box body a (1), a shock absorption cylinder (9), a cylinder body (10), a connecting body (16), a spring (17), a spring adjusting disc (20) and a control system;
a box body b (2) is arranged in the box body a (1), a piston a (5) is arranged in the box body b (2), a piston b (6) is arranged between the outer wall of the box body b (2) and the inner wall of the box body a (1), a hydraulic chamber a (3) and a hydraulic chamber b (4) which are positioned inside and outside the box body b (2) are formed in the box body a (1), a telescopic device a (7) for driving the piston a (5) to move is arranged in the box body b (2), and a telescopic device b (8) for driving the piston b (6) to move is arranged in the box body a (1); the control system is in control connection with the telescopic device a (7) and the telescopic device b (8);
the damping cylinder (9) is vertically arranged on the hydraulic chamber a (3), a piston c (11), a piston d (12) and a piston e (13) are sequentially arranged in the damping cylinder (9) from bottom to top, an air chamber is formed between the piston c (11) and the piston d (12), an oil chamber is formed above the piston d (12), a piston rod a (15) is vertically arranged on the piston e (13), the top of the piston rod a (15) is connected with the connecting body (16), and movable sealing is arranged between the piston rod a (15) and the top of the damping cylinder (9); the cylinder body (10) is vertically arranged on the hydraulic chamber b (4), a piston f (18) is arranged in the cylinder body (10), a piston rod b (19) is vertically arranged on the piston f (18), the top of the piston rod b (19) is connected with the bottom of the spring adjusting disc (20), and movable sealing is arranged between the piston rod b (19) and the top of the cylinder body (10); the spring adjusting disc (20) is sleeved on the shock absorption cylinder (9); the spring (17) is sleeved on the shock absorption cylinder, and two ends of the spring (17) are respectively connected with the connecting body (16) and the spring adjusting disc (20).
2. Variable damping shock absorber according to claim 1, characterized in that the piston e (13) is provided with a plurality of sets of through holes (14).
3. Variable damping shock absorber according to claim 1, characterized in that the cylinders (10), the piston f (18) and the piston rod b (19) are provided in groups, the groups of cylinders (10) being uniformly distributed in circumferential direction about the axis of the shock cylinder (9).
4. Variable damping shock absorber according to claim 1, characterized in that the telescopic means a (7) and the telescopic means b (8) are air cylinders or hydraulic cylinders.
5. The variable damping type shock absorber according to claim 1, wherein the spring adjusting disc (20) is provided with an avoidance hole for the shock absorber tube (9) to pass through, and the wall of the avoidance hole is attached to the outer wall of the shock absorber tube (9).
6. The variable damping type shock absorber according to claim 1, wherein the spring adjusting disc (20) is provided with an avoidance hole for the shock absorber tube (9) to pass through, the wall of the avoidance hole is attached to the outer wall of the shock absorber tube (9), the wall of the avoidance hole is provided with a plurality of groups of slots, the outer wall of the shock absorber tube (9) is vertically provided with a plurality of groups of plugboards, and the plugboards are matched and inserted into the slots.
7. The variable damping type shock absorber according to claim 1, wherein the spring adjusting disc (20) is provided with an avoidance hole for the shock absorber tube (9) to pass through, the wall of the avoidance hole is attached to the outer wall of the shock absorber tube (9), the wall of the avoidance hole is provided with a plurality of groups of inserting plates, the outer wall of the shock absorber tube (9) is vertically provided with a plurality of groups of inserting grooves, and the inserting plates are matched and inserted into the inserting grooves.
8. The variable damping type shock absorber according to claim 1, wherein a plurality of groups of guide rods (21) are vertically arranged at the top of the box body a (1), and a plurality of groups of guide holes for the guide rods (21) to pass through are formed in the spring adjusting disc (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320543934.4U CN219639331U (en) | 2023-03-14 | 2023-03-14 | Variable damping type shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320543934.4U CN219639331U (en) | 2023-03-14 | 2023-03-14 | Variable damping type shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639331U true CN219639331U (en) | 2023-09-05 |
Family
ID=87816957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320543934.4U Active CN219639331U (en) | 2023-03-14 | 2023-03-14 | Variable damping type shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639331U (en) |
-
2023
- 2023-03-14 CN CN202320543934.4U patent/CN219639331U/en active Active
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