CN220227640U - Double-rigidity shock absorber - Google Patents
Double-rigidity shock absorber Download PDFInfo
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- CN220227640U CN220227640U CN202321858136.7U CN202321858136U CN220227640U CN 220227640 U CN220227640 U CN 220227640U CN 202321858136 U CN202321858136 U CN 202321858136U CN 220227640 U CN220227640 U CN 220227640U
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Abstract
The utility model discloses a dual-rigidity shock absorber, and belongs to the field of vehicle shock absorbers. A dual stiffness shock absorber, comprising: a hydraulic cylinder; the damping cylinder is connected to the driving end of the hydraulic cylinder in a sliding manner; the shock absorbing shaft is connected in the shock absorbing cylinder in a sliding manner; the connecting support is fixedly connected to one end of the shock absorption shaft, which is far away from the shock absorption cylinder; one end of the first spring is fixedly connected to the hydraulic cylinder, and the other end of the first spring is fixedly connected to the damping cylinder; one end of the second spring is fixedly connected to the shock absorption cylinder, and the other end of the second spring is fixedly connected to the connecting support; according to the utility model, through the two groups of damping springs arranged in the device, in daily running, vibration generated by small-amplitude jolt can be absorbed by the second spring, and in road sections with complex road conditions, oil transportation can be controlled by matching of the two groups of hydraulic valves arranged on the hydraulic cylinder, and the damping cylinder is extended by improving the oil transportation amount conveyed into the hydraulic cylinder, so that the damping running of a vehicle under different road conditions can be satisfied by synchronously matching the second spring and the first spring for damping.
Description
Technical Field
The utility model relates to the technical field of vehicle shock absorbers, in particular to a dual-rigidity shock absorber.
Background
The performance of the vehicle shock absorber is one of important components for improving the comfort of the vehicle, the riding experience can be improved through the shock absorber, and meanwhile, the steering stability of the vehicle can be improved through the shock absorber;
the vehicle shock absorber in the prior art is generally only provided with one shock absorption rigidity, and the shock absorber with single shock absorption rigidity can meet the running requirement during daily running, but when meeting a road section with more complicated bumpy road conditions, the shock absorber with single shock absorption rigidity can not meet the running requirement of a vehicle, the driving experience of a driver can be poor, and the shock absorption effect of the conventional vehicle shock absorber needs to be further improved.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, a shock absorber generally has only one shock absorption rigidity and has poor shock absorption effect when meeting a special road section, and provides a double-rigidity shock absorber.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a dual stiffness shock absorber, comprising:
a hydraulic cylinder;
the damping cylinder is connected to the driving end of the hydraulic cylinder in a sliding manner;
the shock absorbing shaft is connected in the shock absorbing cylinder in a sliding manner;
the connecting support is fixedly connected to one end of the shock absorption shaft, which is far away from the shock absorption cylinder;
one end of the first spring is fixedly connected to the hydraulic cylinder, and the other end of the first spring is fixedly connected to the damping cylinder;
and one end of the second spring is fixedly connected to the shock absorption cylinder, and the other end of the second spring is fixedly connected to the connecting support.
Preferably, the hydraulic cylinder is fixedly connected with an oil inlet pipe and an oil outlet pipe, the oil outlet pipe is located right below the oil inlet pipe, the oil inlet pipe is fixedly connected with a first oil delivery pipe, and the oil outlet pipe is fixedly connected with a second oil delivery pipe.
In order to control the oil inlet amount in a matched mode by the two groups of hydraulic valves, the extension of the damping cylinder is further controlled, the first oil conveying pipe is connected with a first hydraulic valve, and the second oil conveying pipe is connected with a second hydraulic valve.
Furthermore, one end of the damping cylinder, which is far away from the hydraulic cylinder, is fixedly connected with a connecting disc, and a sliding hole matched with the damping shaft is formed in the connecting disc.
In order to facilitate the installation of the connecting support, preferably, the connecting support is provided with a mounting hole and a first arc surface, and a plurality of groups of the first arc surfaces are symmetrically arranged.
In order to facilitate the installation of the hydraulic cylinder, preferably, the bottom of the hydraulic cylinder is fixedly connected with a mounting ring.
Compared with the prior art, the utility model provides the dual-rigidity shock absorber, which has the following beneficial effects:
1. this dual rigidity bumper shock absorber, through two sets of damping springs that set up in the device, in daily traveling, the accessible second spring absorbs the vibrations that produce of jolting by a small margin, and the highway section that the road conditions are complicated, two sets of hydraulic valves cooperation control oil delivery that set up on the accessible pneumatic cylinder, through improving the oil delivery volume to carrying in the pneumatic cylinder, and then make the damper cylinder stretch out, through the synchronous cooperation shock attenuation of second spring and first spring to can satisfy the shock attenuation of vehicle under different road conditions and travel.
Drawings
FIG. 1 is a schematic diagram of a dual stiffness damper according to the present utility model;
FIG. 2 is an exploded view of a dual stiffness shock absorber according to the present utility model;
FIG. 3 is a schematic diagram of a dual stiffness damper according to the present utility model;
fig. 4 is an enlarged view of a portion a of a dual stiffness shock absorber according to the present utility model.
In the figure: 1. a hydraulic cylinder; 101. an oil inlet pipe; 102. an oil outlet pipe; 103. a shock absorbing cylinder; 104. a mounting ring; 2. a first spring; 3. the connecting support is connected; 301. a shock absorbing shaft; 302. a first arcuate surface; 303. a mounting hole; 4. a second spring; 5. a connecting disc; 501. a second arcuate surface; 6. a first oil delivery pipe; 601. a first hydraulic valve; 7. the second oil delivery pipe; 701. and a second hydraulic valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-4, a dual stiffness shock absorber comprising:
a hydraulic cylinder 1;
the damping cylinder 103 is connected to the driving end of the hydraulic cylinder 1 in a sliding manner;
a damper shaft 301 slidably connected to the damper cylinder 103;
the connecting support 3 is fixedly connected to one end of the shock absorbing shaft 301 away from the shock absorbing cylinder 103;
a first spring 2, one end of which is fixedly connected to the hydraulic cylinder 1, and the other end of which is fixedly connected to the damper cylinder 103;
and one end of the second spring 4 is fixedly connected to the shock absorption cylinder 103, and the other end of the second spring is fixedly connected to the connecting support 3.
Dampers matched with the springs are arranged in the first spring 2 and the second spring 4.
The elastic stiffness of the first spring 2 is larger than that of the second spring 4, and the elastic coefficients of the first spring 2 and the second spring 4 can be adjusted according to requirements.
The hydraulic cylinder 1 is fixedly connected with an oil inlet pipe 101 and an oil outlet pipe 102, the oil outlet pipe 102 is located right below the oil inlet pipe 101, the oil inlet pipe 101 is fixedly connected with a first oil delivery pipe 6, and the oil outlet pipe 102 is fixedly connected with a second oil delivery pipe 7.
The first oil delivery pipe 6 is connected with an external hydraulic oil tank, and the second oil delivery pipe 7 is communicated with an external hydraulic oil recovery tank.
The first oil delivery pipe 6 is connected with a first hydraulic valve 601, and the second oil delivery pipe 7 is connected with a second hydraulic valve 701.
Through two sets of hydraulic valves that set up on first oil pipe 6 and the second oil pipe 7, when needs improve the oil filling quantity, through the cooperation switch of two sets of hydraulic valves, and then can realize the intercommunication and the locking of pneumatic cylinder 1, and then can stretch out shock-absorbing cylinder 103 when needs.
One end of the shock-absorbing cylinder 103 far away from the hydraulic cylinder 1 is fixedly connected with a connecting disc 5, and a sliding hole matched with the shock-absorbing shaft 301 is formed in the connecting disc 5.
The connecting disc 5 is provided with a second arc-shaped surface 501.
The connecting support 3 is provided with a mounting hole 303 and a first arc-shaped surface 302, and a plurality of groups of first arc-shaped surfaces 302 are symmetrically arranged.
Referring to fig. 1-2, grasping of the connector holder 3 during installation can be facilitated by the first arcuate surface 302 provided on the connector holder 3.
The bottom of the hydraulic cylinder 1 is fixedly connected with a mounting ring 104.
Referring to fig. 1, the hydraulic cylinder 1 can be mounted on a vehicle frame by a mounting ring 104 provided at the bottom of the hydraulic cylinder 1.
Referring to fig. 1 to 4, in the daily use process, oil is input into the hydraulic cylinder 1 through the first oil pipe 6, so that the shock absorbing shaft 301 extends out, in the daily running process of the vehicle, when the vehicle encounters vibration jolt, the connecting support 3 will press the second spring 4 downwards, and most of the vibration can be effectively absorbed through the cooperation of the second spring 4 and the damper for shock absorption, so that the purpose of running shock absorption can be achieved in the daily running process;
referring to fig. 1 to 4, under special conditions, for example, when the bump road section is more and the bump amplitude is larger, the oil delivery amount can be increased to the hydraulic cylinder 1 through the first oil delivery pipe 6, the shock absorber 103 stretches out at this moment, when the bump is applied, the connecting support 3 can downwards press the second spring 4, the second spring 4 and the damper cooperate to absorb shock, when the connecting support 3 continues to downwards press, the connecting support 3 can downwards press the connecting disc 5, the connecting disc 5 can synchronously downwards press the first spring 2, and when the bump is applied to strong shock, the shock generated by the vehicle body can be effectively absorbed through the cooperation of the first spring 2 and the damper, and then the purpose of driving shock absorption can be achieved in special driving.
Through two sets of damping springs that set up in the device, in daily traveling, the accessible second spring 4 absorbs the vibrations that the small amplitude jolt produced, and on the highway section that the road conditions are complicated, two sets of hydraulic valves cooperation control oil delivery that set up on the accessible pneumatic cylinder 1, through improving the oil delivery to carrying in the pneumatic cylinder 1, and then make damper cylinder 103 stretch out, through the synchronous cooperation shock attenuation of second spring 4 and first spring 2 to can satisfy the shock attenuation of vehicle under different road conditions and travel.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A dual stiffness shock absorber, comprising:
a hydraulic cylinder (1);
the damping cylinder (103) is connected to the driving end of the hydraulic cylinder (1) in a sliding manner;
a damper shaft (301) slidably connected to the damper cylinder (103);
the connecting support (3) is fixedly connected to one end of the shock absorbing shaft (301) away from the shock absorbing cylinder (103);
one end of the first spring (2) is fixedly connected to the hydraulic cylinder (1), and the other end of the first spring is fixedly connected to the damping cylinder (103);
and one end of the second spring (4) is fixedly connected to the shock absorption cylinder (103), and the other end of the second spring is fixedly connected to the connecting support (3).
2. The dual-stiffness shock absorber according to claim 1, wherein an oil inlet pipe (101) and an oil outlet pipe (102) are fixedly connected to the hydraulic cylinder (1), the oil outlet pipe (102) is located right below the oil inlet pipe (101), a first oil delivery pipe (6) is fixedly connected to the oil inlet pipe (101), and a second oil delivery pipe (7) is fixedly connected to the oil outlet pipe (102).
3. A dual stiffness shock absorber according to claim 2, characterized in that the first oil delivery pipe (6) is connected with a first hydraulic valve (601) and the second oil delivery pipe (7) is connected with a second hydraulic valve (701).
4. The dual-rigidity shock absorber according to claim 1, wherein one end of the shock absorber cylinder (103) far away from the hydraulic cylinder (1) is fixedly connected with a connecting disc (5), and a sliding hole matched with the shock absorber shaft (301) is formed in the connecting disc (5).
5. The dual-stiffness damper according to claim 1, wherein the connecting support (3) is provided with a mounting hole (303) and a first arc-shaped surface (302), and a plurality of groups of the first arc-shaped surfaces (302) are symmetrically arranged.
6. A dual stiffness shock absorber according to claim 1, characterized in that the bottom of the hydraulic cylinder (1) is fixedly connected with a mounting ring (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321858136.7U CN220227640U (en) | 2023-07-14 | 2023-07-14 | Double-rigidity shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321858136.7U CN220227640U (en) | 2023-07-14 | 2023-07-14 | Double-rigidity shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227640U true CN220227640U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321858136.7U Active CN220227640U (en) | 2023-07-14 | 2023-07-14 | Double-rigidity shock absorber |
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| Country | Link |
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| CN (1) | CN220227640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869524A (en) * | 2024-03-11 | 2024-04-12 | 比亚迪股份有限公司 | Shock absorber and vehicle |
-
2023
- 2023-07-14 CN CN202321858136.7U patent/CN220227640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869524A (en) * | 2024-03-11 | 2024-04-12 | 比亚迪股份有限公司 | Shock absorber and vehicle |
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