Novel nitrogen damper damping adjusting structure

Abstract

The utility model is suitable for the technical field of shock absorbers, and provides a novel nitrogen shock absorber damping adjusting structure which comprises a connecting base, a sealing face is formed between the connecting base and an internal floating piston assembly and used for isolating shock absorber oil liquid and nitrogen, and in the nitrogen compression and recovery process, the sealing face is sealed. The floating piston assembly reciprocates in the cavity of the connecting seat; the connecting seat is in threaded connection with the high-speed compression valve assembly, the threaded positioning seat and an oil port screw arranged at the top, and special high-speed and low-speed oil ways are formed; the adjusting core is installed on the threaded positioning seat, the adjusting core moves up and down by rotating the adjusting knob, the gap between the adjusting core and the threaded positioning seat is changed, and therefore the oil flow at the low speed is changed. According to the adjusting structure, on the basis of an original DPS structure, a compression adjusting valve assembly structure is additionally arranged, the damping force value at the low speed is reduced, the cross-country performance requirement under the limiting working condition is guaranteed, and the requirement for driving comfort of a paved road surface can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of shock absorbers, and in particular relates to a novel damping adjustment structure of a nitrogen shock absorber. Background Art

[0002] The shock absorber is a structure that alleviates the vibration generated by the vehicle body and frame during acceleration and improves driving comfort. The conventional nitrogen shock absorbers currently used have to increase the low-speed damping force to meet the requirements of high-speed large damping force in order to meet extreme off-road conditions, but it also sacrifices the comfort of driving on paved roads.

[0003] To this end, the present application provides a shock absorber structure that can achieve low-speed and low-damping adjustment and establish high-speed and high-damping. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a novel damping adjustment structure of a nitrogen shock absorber, aiming to solve the problems existing in the above-mentioned background technology.

[0005] The utility model embodiment is implemented as follows: a novel nitrogen shock absorber damping adjustment structure includes a connecting seat and also includes:

[0006] A floating piston assembly, wherein the floating piston assembly is installed in a cavity in the connecting seat, and a sealing surface is formed between the floating piston assembly and the connecting seat for isolating the shock absorber oil and nitrogen. During the compression and recovery of the nitrogen, the floating piston assembly reciprocates in the cavity of the connecting seat;

[0007] A high-speed compression valve assembly and a threaded positioning seat are also installed in the connecting seat. The connecting seat, the high-speed compression valve assembly, the threaded positioning seat and the oil port screw arranged on the top are all connected by threads to form a high-speed and low-speed dedicated oil circuit;

[0008] An adjusting core is installed on a threaded positioning seat, an adjusting rod is arranged in the groove on the adjusting core, and an adjusting button is also installed on the top of the adjusting core. The adjusting core is moved up and down by rotating the adjusting button to change the gap between the adjusting core and the threaded positioning seat, thereby changing the oil flow at low speed and realizing the adjustment of the damping force value at low speed.

[0009] Preferably, the high-speed compression valve assembly cooperates with the compression regulating valve assembly to achieve low-speed damping adjustment and the requirement for large compression damping under extreme working conditions.

[0010] Preferably, the compression regulating valve assembly further comprises a piston compression valve piston, a recovery side valve plate and a compression regulating valve spring plate;

[0011] The piston compression valve piston, the recovery side valve plate and the compression regulating valve spring plate are arranged between the connecting seat and the threaded positioning seat;

[0012] The piston compression valve piston, the restoring side valve plate and the compression regulating valve spring plate are arranged from top to bottom.

[0013] Preferably, a top screw is laterally arranged on the side of the adjusting button, and when the top screw is embedded in the adjusting core, the adjusting core can be driven to rotate synchronously by rotating the adjusting button.

[0014] The embodiment of the utility model provides a novel damping adjustment structure of a nitrogen shock absorber. Based on the original DPS structure, a compression regulating valve assembly structure is added, which effectively reduces the damping force value at low speeds, can also ensure off-road performance requirements under extreme working conditions, and also meet the comfort of driving on paved roads to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A flow diagram at low speeds of a novel nitrogen shock absorber damping adjustment structure provided by an embodiment of the utility model;

[0016] Figure 2 A flow diagram at high speed in a novel damping adjustment structure of a nitrogen shock absorber provided by an embodiment of the utility model;

[0017] In the attached drawings: 1- floating piston assembly; 2- connecting seat; 3- high-speed compression valve assembly; 4- adjusting button; 5- top screw; 6- adjusting core; 7- adjusting rod; 8- threaded positioning seat; 9- compression valve piston; 10- recovery side valve plate; 11- compression regulating valve spring plate. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0020] like Figure 1 to Figure 2As shown, a structural diagram of a novel nitrogen shock absorber damping adjustment structure provided by an embodiment of the utility model comprises a connecting seat 2, a floating piston assembly 1 and an adjusting core 6, wherein the floating piston assembly 1 is installed in a cavity in the connecting seat 2, and a sealing surface is formed between the floating piston assembly 1 and the connecting seat 2 for isolating the shock absorber oil and nitrogen. During the compression and recovery of nitrogen, the floating piston assembly 1 reciprocates in the cavity of the connecting seat 2; a high-speed compression valve assembly 3 and a threaded positioning seat 8 are also installed in the connecting seat 2, and the connecting seat 2 is connected to the high-speed compression valve assembly 3, the threaded positioning seat 8 and the oil port screw arranged on the top through threads, and forms a high-speed and low-speed dedicated oil circuit; the adjusting core 6 is installed on the threaded positioning seat 8, and an adjusting button 4 is also installed on the top of the adjusting core 6, and the adjusting button 4 is rotated to move the adjusting core 6 up and down, thereby changing the gap between the adjusting core 6 and the threaded positioning seat 8, thereby changing the size of the oil flow at low speed, and realizing the adjustment of the damping force value at low speed.

[0021] The present application provides a novel damping adjustment structure of a nitrogen shock absorber, which adds a compression regulating valve assembly structure to the original DPS structure, effectively reducing the damping force value at low speeds, while ensuring off-road performance requirements under extreme working conditions and satisfying the comfort of driving on paved roads to a certain extent.

[0022] In an example of the present invention, a top screw 5 is laterally arranged on the side of the adjusting button 4 , and when the top screw 5 is embedded in the adjusting core 6 , the adjusting core 6 can be driven to rotate synchronously by rotating the adjusting button 4 .

[0023] like Figure 1 As shown, as a preferred embodiment of the utility model, the high-speed compression valve assembly 3 cooperates with the compression regulating valve assembly, and the compression regulating valve assembly also includes a piston compression valve piston 9, a recovery side valve plate 10 and a compression regulating valve spring plate 11;

[0024] The piston compression valve piston 9, the recovery side valve plate 10 and the compression regulating valve spring plate 11 are arranged between the connecting seat 2 and the threaded positioning seat 8;

[0025] The piston compression valve piston 9, the restoring side valve plate 10 and the compression regulating valve spring plate 11 are arranged from top to bottom.

[0026] In an example of the present invention, the high-speed compression valve assembly 3 is used in conjunction with the compression regulating valve assembly, which can not only realize adjustable low-speed damping, but also meet the requirements of some users for large compression damping under extreme working conditions.

[0027] like Figure 1 As shown, as another preferred embodiment of the present utility model, the threaded positioning seat 8 and the oil port screw are both sealed by an O-ring.

[0028] In an example of the present invention, after being sealed by an O-ring, the sealing performance of the structure can be improved, effectively preventing leakage of oil during flow.

[0029] like Figure 1 As shown, as another preferred embodiment of the present invention, an adjusting rod 7 is arranged in the groove on the adjusting core 6 .

[0030] In an example of the present invention, when the floating piston assembly 1 provides liquid pressure in reverse, the adjusting rod 7 falls into the groove of the adjusting core 6, thereby realizing the adjustment of the gear position. Whether the oil injection amount is qualified can also be judged by the gear position feeling.

[0031] In addition, when the shock absorber is compressed at high speed, the oil will simultaneously open the built-in compression bottom valve and the restoring side valve plate 10, thereby establishing a large damping value, which has a significant effect on the landing cushioning of larger electric off-road vehicles, allowing customers to take into account both the driving quality on paved roads and the off-road performance on unpaved roads to a certain extent.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A novel damping adjustment structure of a nitrogen shock absorber, comprising a connecting seat, characterized in that: Also includes: A floating piston assembly, wherein the floating piston assembly is installed in a cavity in the connecting seat, and a sealing surface is formed between the floating piston assembly and the connecting seat for isolating the shock absorber oil and nitrogen. During the compression and recovery of the nitrogen, the floating piston assembly reciprocates in the cavity of the connecting seat; A high-speed compression valve assembly and a threaded positioning seat are also installed in the connecting seat. The connecting seat, the high-speed compression valve assembly, the threaded positioning seat and the oil port screw arranged on the top are all connected by threads to form a high-speed and low-speed dedicated oil circuit; An adjusting core is installed on a threaded positioning seat, an adjusting rod is arranged in the groove on the adjusting core, and an adjusting button is also installed on the top of the adjusting core. The adjusting core is moved up and down by rotating the adjusting button to change the gap between the adjusting core and the threaded positioning seat, thereby changing the oil flow at low speed and realizing the adjustment of the damping force value at low speed.

2. A novel damping adjustment structure of nitrogen shock absorber according to claim 1, characterized in that: The high-speed compression valve assembly cooperates with the compression regulating valve assembly to achieve low-speed damping regulation and the requirement for large compression damping under extreme working conditions.

3. A novel damping adjustment structure of nitrogen shock absorber according to claim 2, characterized in that: The compression regulating valve assembly also includes a piston compression valve piston, a recovery side valve plate and a compression regulating valve spring plate; The piston compression valve piston, the recovery side valve plate and the compression regulating valve spring plate are arranged between the connecting seat and the threaded positioning seat; The piston compression valve piston, the restoring side valve plate and the compression regulating valve spring plate are arranged from top to bottom.

4. A novel damping adjustment structure of nitrogen shock absorber according to claim 1, characterized in that: A top screw is also arranged laterally on the side of the adjusting button, and when the top screw is embedded in the adjusting core, the adjusting core can be driven to rotate synchronously by rotating the adjusting button.

Images