CN210265640U - But height-adjusting's integral type air spring bumper shock absorber - Google Patents
But height-adjusting's integral type air spring bumper shock absorber Download PDFInfo
- Publication number
- CN210265640U CN210265640U CN201920969815.9U CN201920969815U CN210265640U CN 210265640 U CN210265640 U CN 210265640U CN 201920969815 U CN201920969815 U CN 201920969815U CN 210265640 U CN210265640 U CN 210265640U
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- Prior art keywords
- cylinder body
- shock absorber
- air spring
- bumper shock
- sliding block
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- Expired - Fee Related
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- 230000035939 shock Effects 0.000 title claims abstract description 73
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 68
- 238000007789 sealing Methods 0.000 claims description 35
- 238000003466 welding Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an integral type air spring bumper shock absorber of adjustable height, set up in the inside bumper shock absorber pole of bumper shock absorber cylinder body including bumper shock absorber cylinder body and slip, the bumper shock absorber cylinder body welds in the bottom of air spring cylinder body, the upper end of air spring cylinder body is provided with the blow vent, it is provided with sealed sliding block to slide between bumper shock absorber cylinder body and the air spring cylinder body, fixed mounting has the spring between the lower extreme of sealed sliding block and the air spring cylinder body, the upper end of bumper shock absorber cylinder body is equipped with the cylinder body weld plate, and the inside of cylinder body weld plate has seted up a plurality of through-hole, the bumper shock absorber pole passes through fixed mounting's piston plate and air spring cylinder body sliding connection on the lateral wall, be provided with air inlet. The installation is simple, and the adjustment is convenient, and the shock attenuation effect is better, adjusts air spring rigidity and guarantees that the whole car of vehicle is in suitable settlement position, has realized the adjustability of whole car height.
Description
Technical Field
The utility model belongs to the technical field of automobile shock attenuation equipment, concretely relates to but height-adjusting's integral type air spring bumper shock absorber.
Background
The shock absorber is an indispensable part of an automobile and mainly plays a role in attenuating vibration and amplitude generated by an uneven road surface when the automobile runs. The existing traditional shock absorber only utilizes the damping function of the shock absorber as a component for damping vibration, the length of the shock absorber is determined by the compression amount (namely static disturbance) of an elastic element, and the shock absorber has no function of changing the height of a vehicle body. The common elastic element is a spiral spring, and the elastic element has two installation modes, namely, the elastic element and the shock absorber are installed in a split mode, namely the spring and the shock absorber are not assembled together; and secondly, a spring support is arranged on the shock absorber cylinder, and the upper part of the spring is assembled with the vehicle body or the vehicle frame, so that the structure is the shock absorber and spring structure of the Macpherson suspension. With the development of science and technology in recent years, air springs are correspondingly appeared. Air springs are generally composed of an outer wall rubber air reservoir plus an internal spring. With the application of air springs, there are also products in which air springs replace coil springs.
In the related patent, there is also a macpherson suspension in which a coil spring is replaced with an air spring, and the lower end of the air spring is connected to a lower tube bracket of a shock absorber, and an upper tube is connected to a vehicle body or a vehicle frame. The structure has variable rigidity and better performance than a spiral spring, but simultaneously, because the air spring and the shock absorber are of split structures, the adjustment range of the rigidity of the assembly is limited, the compression amount of the air spring is increased along with the increase of the bearing mass, and the height of the whole vehicle cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integral type air spring bumper shock absorber of adjustable height comes into operation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an integral type air spring bumper shock absorber of adjustable height, includes that bumper shock absorber cylinder body and slip set up in the inside bumper shock absorber pole of bumper shock absorber cylinder body, the bumper shock absorber cylinder body welds in the bottom of air spring cylinder body, the upper end of air spring cylinder body is provided with the blow vent, it is provided with sealed sliding block to slide between bumper shock absorber cylinder body and the air spring cylinder body, fixed mounting has the spring between the lower extreme of sealed sliding block and the air spring cylinder body, the upper end of bumper shock absorber cylinder body is equipped with the cylinder body and welds the board, and the cylinder body welds the inside of board and seted up a plurality of through-hole, the bumper shock absorber pole is through fixed mounting's piston plate and air spring cylinder body sliding connection on.
Preferably, the air spring cylinder body is formed by an upper cylinder body and a lower cylinder body through press fitting or welding, the sealing sliding block is arranged inside the lower cylinder body in a sliding mode, and the lower cylinder body is located in a cavity below the sealing sliding block and is sealed with air.
Preferably, the lower cylinder body is divided into an upper cavity and a lower cavity through a piston plate, the upper cavity is communicated with the outside atmosphere through a vent, and the lower cavity is communicated with the air inlet and the exhaust solenoid valve.
Preferably, the sealing sliding block is arranged below the cylinder body welding plate, and a sealing rubber diaphragm is fixedly mounted at the lower end of the sealing sliding block.
Preferably, a sealing ring is arranged in the middle of the upper cylinder body, and the shock absorber rod is slidably arranged on the inner side of the sealing ring.
Preferably, the upper end of the vent is provided with a blocking cap.
The utility model discloses a technological effect and advantage: this but height-adjusting's integral type air spring bumper shock absorber according to car actual height, through the height sensor of car to ECU transfer signal, the control is aerifyd or is discharged through air inlet and exhaust solenoid valve cavity down, adjusts air spring rigidity to adjust the height of whole car, the bumper shock absorber is better with air spring integral type design shock attenuation effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the connection of the damper cylinder to the cylinder weld plate and the damper cylinder.
In the figure: 1. a damper cylinder; 2. a damper rod; 3. an air spring cylinder body; 4. a vent; 5. sealing the sliding block; 6. a spring; 7. a through hole; 8. a piston plate; 9. an air inlet; 10. an exhaust solenoid valve; 11. an upper cavity; 12. a lower cavity; 13. sealing the rubber diaphragm; 14. a seal ring; 15. a plugging cap; 16. welding plates of the cylinder body; 31. an upper cylinder body; 32. and a lower cylinder body.
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.
The utility model provides an integrated air spring shock absorber with adjustable height as shown in figures 1-3, which comprises a shock absorber cylinder body 1 and a shock absorber rod 2 arranged inside the shock absorber cylinder body 1 in a sliding way, the shock absorber cylinder body 1 is welded at the bottom of the air spring cylinder body 3, the upper end of the air spring cylinder body 3 is provided with a vent 4, a sealing sliding block 5 is arranged between the shock absorber cylinder body 1 and the air spring cylinder body 3 in a sliding manner, a spring 6 is fixedly arranged between the lower end of the sealing sliding block 5 and the air spring cylinder body 3, a cylinder body welding plate 16 is assembled at the upper end of the shock absorber cylinder body 1, and a plurality of through holes 7 are arranged in the cylinder body welding plate 16, the shock absorber rod 2 is connected with the air spring cylinder body 3 in a sliding way through a piston plate 8 fixedly arranged on the outer side wall, and an air inlet 9 and an exhaust electromagnetic valve 10 are arranged on the side wall of the middle part of the air spring cylinder body 3. The utility model is used in cooperation with the height sensor, the inflating pump, the ECU and other accessories arranged on the vehicle body, when the vehicle is static, the vehicle body is supported by the shock absorber rod 2, the shock absorber rod 2 drives the piston plate 8 to move downwards, the sealing slide block moves downwards by air pressure, thereby compressing the spring 6 and compressing the gas in the cavity below the sealing slide block to ensure that the piston plate 8 is at a certain height, thereby ensuring that the whole vehicle is in a balanced posture, when the vehicle runs and encounters uneven road surface vibration, the shock absorber rod 2 can be caused to drive the piston to move up and down, the gas pressure of the lower cavity 12 of the air spring cylinder 3 is changed, therefore, the original balance state is broken, the spring effect is generated, and the air spring has a good vibration attenuation effect in cooperation with the shock absorber due to the rigidity change characteristic of the gas (the rigidity is increased when the pressure is increased, and the rigidity is decreased when the pressure is decreased); when the instantaneous stress changes, the ECU monitors signals to charge and discharge the upper cylinder body 31, when the shaft load changes in a non-instantaneous way (the load is increased or decreased), the non-instantaneous change of the shock absorber rod 2 and the piston plate 8 is caused, at the moment, the height sensor sends signals to the ECU, the ECU transmits control signals to an exhaust switch or an inflating pump according to the situation, when the shaft load is increased, the ECU controls the inflating pump to inflate the lower cavity 12 in the upper cylinder body 31 of the air spring 6, when the length of the shock absorber rod 2 reaches a set position, the inflating pump stops inflating, and the rigidity of the air spring is increased; when the axle load is reduced, the piston plate 8 and the shock absorber rod 2 move upwards, the ECU controls the exhaust switch to be opened to deflate, when the length of the shock absorber rod 2 reaches a set position, the exhaust is stopped, the rigidity of the air spring 6 is reduced, the rigidity of the air spring 6 is adjusted according to the change of the axle load, and the posture of the whole vehicle is ensured to be at a proper set position.
The air spring cylinder body 3 is formed by an upper cylinder body 31 and a lower cylinder body 32 through press fitting or welding, the sealing sliding block 5 is arranged inside the lower cylinder body 32 in a sliding mode, and gas is sealed in a cavity, located below the sealing sliding block 5, of the lower cylinder body 32, so that the situation that the shock absorber rod 2 drives the piston plate 8 to press the gas in the upper cylinder body 31 into the lower cylinder body 32 to push the sealing sliding block to slide downwards is guaranteed, the spring 6 at the lower end of the sealing sliding block and the sealed gas are compressed, restoring force is generated, the shock absorption effect is better, and the service life is longer.
The sealing sliding block 5 is arranged below the cylinder body welding plate 16, the sealing rubber diaphragm 13 is fixedly mounted at the lower end of the sealing sliding block 5, the sealing performance of the sealing sliding block 5 in the lower cylinder body 32 is guaranteed, and the upper end position of the sealing sliding block 5 is limited through the cylinder body welding plate 16.
The middle part of the upper cylinder body 31 is provided with a sealing ring 14, the shock absorber rod 2 is arranged on the inner side of the sealing ring 14 in a sliding mode, and the sealing ring 14 seals a gap between the shock absorber rod 2 and the upper cylinder body 31, so that the situations of gas leakage, descending of the vehicle body, shock absorption and the like are avoided.
The upper end of the vent hole 4 is provided with a blocking cap 15, so that dust is prevented from entering the air spring cylinder body 3 through the vent hole 4, and the service life of the air spring 6 is guaranteed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an integral type air spring bumper shock absorber of adjustable height, includes bumper shock absorber cylinder body (1) and slides and set up in inside bumper shock absorber pole (2) of bumper shock absorber cylinder body (1), its characterized in that: the utility model discloses a pneumatic shock absorber, including shock absorber cylinder body (1), air spring cylinder body (3), the upper end of air spring cylinder body (3) is provided with blow vent (4), it is provided with sealing sliding block (5) to slide between shock absorber cylinder body (1) and air spring cylinder body (3), fixed mounting has spring (6) between the lower extreme of sealing sliding block (5) and air spring cylinder body (3), the upper end of shock absorber cylinder body (1) is equipped with cylinder body weld plate (16), and the inside of cylinder body weld plate (16) has seted up a plurality of through-hole (7), shock absorber pole (2) are through fixed mounting's piston plate (8) and air spring cylinder body (3) sliding connection on the lateral wall, be provided with air inlet (9) and exhaust solenoid valve (10) on the lateral wall in the middle part.
2. The integrated height adjustable air spring shock absorber according to claim 1, wherein: the air spring cylinder body (3) is formed by an upper cylinder body (31) and a lower cylinder body (32) through press fitting or welding, the sealing sliding block (5) is arranged inside the lower cylinder body (32) in a sliding mode, and air is sealed in a cavity, located below the sealing sliding block (5), of the lower cylinder body (32).
3. The integrated height adjustable air spring shock absorber according to claim 2, wherein: lower cylinder body (32) divide into cavity (11) and lower cavity (12) through piston plate (8), go up cavity (11) and communicate with external atmosphere through blow vent (4), and lower cavity (12) and air inlet (9) and exhaust solenoid valve (10) intercommunication.
4. An adjustable height integrated air spring shock absorber according to claim 3, wherein: the sealing sliding block (5) is arranged below the cylinder body welding plate (16), and a sealing rubber diaphragm (13) is fixedly mounted at the lower end of the sealing sliding block (5).
5. The integrated height adjustable air spring shock absorber according to claim 4, wherein: the middle part of the upper cylinder body (31) is provided with a sealing ring (14), and the shock absorber rod (2) is arranged on the inner side of the sealing ring (14) in a sliding mode.
6. The integrated height adjustable air spring shock absorber according to claim 1, wherein: and a blocking cap (15) is arranged at the upper end of the vent (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920969815.9U CN210265640U (en) | 2019-06-26 | 2019-06-26 | But height-adjusting's integral type air spring bumper shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920969815.9U CN210265640U (en) | 2019-06-26 | 2019-06-26 | But height-adjusting's integral type air spring bumper shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265640U true CN210265640U (en) | 2020-04-07 |
Family
ID=70044961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920969815.9U Expired - Fee Related CN210265640U (en) | 2019-06-26 | 2019-06-26 | But height-adjusting's integral type air spring bumper shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210265640U (en) |
-
2019
- 2019-06-26 CN CN201920969815.9U patent/CN210265640U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |