CN220850524U - Damper damping component and damper - Google Patents

Abstract

The application discloses a damper assembly of a shock absorber and the shock absorber, and relates to the technical field of shock absorbers. The damping component of the shock absorber comprises a high-speed regulating valve and a low-speed regulating valve, the high-speed regulating valve comprises a first valve body, and a valve plate base, a spring and a regulating piece which are sequentially assembled in a cavity of the first valve body, and the relative position between the regulating piece and the first valve body is regulated through threads so as to regulate the compression amount of the spring; the low-speed regulating valve comprises a second valve body, and a regulating rod and a connecting piece which are arranged in a cavity of the second valve body, wherein the regulating rod moves towards or away from the first through hole to regulate the gap between the regulating rod and the first through hole, and the convenience of damping regulation of the shock absorber can be improved.

Description

Damper damping component and damper

Technical Field

The application relates to the technical field of shock absorbers, in particular to a shock absorber damping component and a shock absorber.

Background

Vibration dampers are often required in production and social activities, such as automobile and motorcycle suspension dampers, train suspension dampers, aircraft landing gear, and the like. The shock absorber is used for inhibiting vibration and impact from road surface when the spring is rebounded after shock absorption, is widely used for automobiles, and is used for accelerating the attenuation of the vibration of a frame and an automobile body so as to improve the running smoothness of the automobiles.

Shock absorbers used on the chassis of racing vehicles and passenger vehicles have not been invariable in their damping requirements. The damping of the shock absorber is required to be adjustable under the influence of the driving condition of the vehicle. However, the traditional adjusting method is to replace a series of valve plate structures to realize damping adjustment, and the method is time-consuming and labor-consuming, and the consistency of damping force after adjustment is poor.

Disclosure of utility model

The application aims to provide a shock absorber damping assembly and a shock absorber, which can improve the convenience of damping adjustment of the shock absorber.

Embodiments of the present application are implemented as follows:

In one aspect of the embodiment of the application, a damping assembly of a shock absorber is provided, which is used for communicating the shock absorber with an air storage tank and regulating the flow of hydraulic oil, and comprises a high-speed regulating valve and a low-speed regulating valve, wherein the high-speed regulating valve comprises a first valve body, a valve plate base, a spring and a regulating piece, the valve plate base, the spring and the regulating piece are sequentially assembled in a cavity of the first valve body, the first valve body is provided with a first channel communicated with the cavity of the shock absorber and a second channel communicated with the air storage tank, the first valve body is in threaded connection with the regulating piece, one end of the spring, which is far away from the regulating piece, is used for sealing a hole on the valve plate base, and the relative position between the regulating piece and the first valve body is regulated through threads so as to regulate the compression amount of the spring;

The low-speed regulating valve comprises a second valve body, an adjusting rod and a connecting piece, wherein the adjusting rod and the connecting piece are arranged in a cavity of the second valve body, the second valve body is provided with a third channel communicated with a shock absorber cavity and a fourth channel communicated with an air storage tank, the connecting piece is provided with a containing cavity respectively communicated with the third channel and the fourth channel, the containing cavity is communicated with the third channel through a first through hole, the containing cavity is communicated with the fourth channel through a second through hole, the adjusting rod is in threaded connection with the connecting piece to seal the containing cavity, and the adjusting rod moves towards or away from the first through hole to adjust the gap between the adjusting rod and the first through hole.

Optionally, as an implementation manner, a first fixing sleeve is further arranged on the first valve body, and the first valve body is in threaded connection with the adjusting piece through the first fixing sleeve.

Optionally, as an implementation manner, a second fixing sleeve is further arranged on the second valve body, and the second valve body is in threaded connection with the connecting piece through the second fixing sleeve.

Optionally, as an implementation manner, a valve plate is further disposed in the cavity of the first valve body, and the valve plate is disposed between the valve plate base and the spring and seals the hole on the valve plate base.

Optionally, as an implementation manner, the adjusting piece includes a connecting rod in threaded connection with the first fixing sleeve and a slider sleeved on the connecting rod, and two ends of the slider respectively support against the spring and the adjusting rod.

Optionally, as an implementation manner, an elastic element is further disposed in the cavity of the second valve body, and two ends of the elastic element are respectively connected with the second valve body and the connecting element.

Optionally, as an implementation manner, a first sealing ring is arranged between the first fixing sleeve and the first valve body.

Optionally, as an embodiment, a second sealing ring is arranged between the first fixing sleeve and the adjusting element.

Alternatively, as an implementation manner, one end of the adjusting rod extending into the accommodating cavity is conical.

In another aspect of an embodiment of the present application, there is provided a shock absorber including a shock absorber body, a gas reservoir, and a shock absorber damping assembly as set forth in any one of the preceding claims, the shock absorber damping assembly connecting the shock absorber body and the gas reservoir.

The beneficial effects of the embodiment of the application include:

The application provides a damper assembly of a shock absorber and the shock absorber, which are used for communicating the shock absorber and a gas storage tank and regulating the flow of hydraulic oil, and comprises a high-speed regulating valve and a low-speed regulating valve, wherein the high-speed regulating valve comprises a first valve body, a valve plate base, a spring and a regulating piece, wherein the valve plate base, the spring and the regulating piece are sequentially assembled in a cavity of the first valve body;

The low-speed regulating valve comprises a second valve body, and an adjusting rod and a connecting piece which are arranged in a cavity of the second valve body, wherein the second valve body is provided with a third channel communicated with the cavity of the shock absorber and a fourth channel communicated with the air storage tank, the connecting piece is provided with a containing cavity communicated with the third channel and the fourth channel respectively, the containing cavity is communicated with the third channel through a first through hole, the containing cavity is communicated with the fourth channel through a second through hole, the adjusting rod is in threaded connection with the connecting piece to seal the containing cavity, and the adjusting rod moves towards or away from the first through hole to adjust the gap between the adjusting rod and the first through hole so as to realize damping adjustment of the high-speed regulating valve, and improve the ground grabbing performance of a vehicle under rough road running.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a structure of a shock absorber damping assembly according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a high speed regulator valve in a shock absorber damping assembly according to an embodiment of the present application;

Fig. 3 is a cross-sectional view of a low-speed adjusting valve in a shock absorber damping assembly according to an embodiment of the present application.

Icon: 100-a shock absorber damping assembly; 110-high speed regulating valve; 111-a first valve body; 1111—a first channel; 112-valve plate base; 113-a spring; 114-an adjusting member; 1141-connecting rod; 1142-a slider; 115-a first retaining sleeve; 116-valve plate; 120-low speed regulating valve; 121-a second valve body; 1211-third channel; 122-adjusting the rod; 123-connecting piece; 1231-receiving cavity; 1232-first through hole; 124-a second retaining sleeve; 125-an elastic member; 200-a shock absorber body; 300-gas storage tank.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2 and 3, the present embodiment provides a damper assembly 100 for connecting a damper and a gas tank 300 and adjusting the flow rate of hydraulic oil, which includes a high speed adjusting valve 110 and a low speed adjusting valve 120, wherein the high speed adjusting valve 110 includes a first valve body 111, and a valve plate base 112, a spring 113 and an adjusting member 114 sequentially assembled in a chamber of the first valve body 111, the first valve body 111 has a first channel 1111 connected with the damper chamber and a second channel connected with the gas tank 300, the first valve body 111 is in threaded connection with the adjusting member 114, an end of the spring 113 away from the adjusting member 114 seals a hole on the valve plate base 112, and the relative position between the adjusting member 114 and the first valve body 111 is adjusted by threads to adjust the compression amount of the spring 113;

The low speed adjusting valve 120 includes a second valve body 121, and an adjusting rod 122 and a connecting member 123 disposed in a chamber of the second valve body 121, the second valve body 121 having a third passage 1211 communicating with the damper chamber and a fourth passage communicating with the air tank 300, the connecting member 123 having a receiving chamber 1231 communicating with the third passage 1211 and the fourth passage, respectively, the receiving chamber 1231 communicating with the third passage 1211 through a first through hole 1232, the receiving chamber 1231 communicating with the fourth passage through a second through hole, the adjusting rod 122 being screw-coupled with the connecting member 123 to block the receiving chamber 1231, the adjusting rod 122 being moved toward or away from the first through hole 1232 to adjust a gap between the adjusting rod 122 and the first through hole 1232.

Specifically, when the shock absorber damping assembly 100 provided by the present application is used, when the vehicle is running on a flat road surface and the vehicle is under the conditions of acceleration, braking and overbending, the compression speed of the shock absorber is low, the pressure of the hydraulic oil in the shock absorber main body 200 cannot overcome the elastic force of the spring 113 in the high-speed adjusting valve 110, the hydraulic oil in the shock absorber main body 200 flows into the accommodating cavity 1231 of the connecting member 123 through the third passage 1211 and the first through hole 1232 on the connecting member 123, and flows to the air tank 300 through the second through hole and the fourth through hole on the connecting member 123. The relative position of the adjusting rod 122 and the connecting piece 123 is adjusted through threads, so that the adjusting rod 122 moves towards or away from the first through hole 1232 to adjust the gap between the adjusting rod 122 and the first through hole 1232, and therefore the flow of hydraulic oil at the first through hole 1232 is adjusted, and damping adjustment of the low-speed adjusting valve 120 is achieved.

When the vehicle runs on uneven rough road, the compression speed of the shock absorber increases, the pressure of the hydraulic oil increases inside the shock absorber, the pressure of the hydraulic oil in the shock absorber body 200 overcomes the elastic force of the spring 113 in the high speed adjusting valve 110, the hydraulic oil in the shock absorber body 200 enters the chamber of the first valve body 111 through the first passage 1111 and the aperture on the valve plate base 112 and then flows to the air tank 300 through the second passage, while the hydraulic oil in the shock absorber body 200 also flows into the accommodating chamber 1231 of the connecting member 123 through the third passage 1211 and the first through hole 1232 on the connecting member 123, flows to the air tank 300 through the second through hole and the fourth passage on the connecting member 123, and the compression amount of the spring 113 is adjusted by adjusting the relative position between the adjusting member 114 and the first valve body 111 by screw threads, so as to achieve the damping adjustment of the high speed adjusting valve 110. When the road bump amplitude is large, the relative position between the screw thread adjusting member 114 and the first valve body 111 is adjusted to increase the compression amount of the spring 113, improving the grip performance of the vehicle under rough road running.

The application provides a shock absorber damping assembly 100, which is used for communicating a shock absorber with a gas storage tank 300 and regulating the flow of hydraulic oil, and comprises a high-speed regulating valve 110 and a low-speed regulating valve 120, wherein the high-speed regulating valve 110 comprises a first valve body 111, and a valve plate base 112, a spring 113 and a regulating piece 114 which are sequentially assembled in a cavity of the first valve body 111, the first valve body 111 is provided with a first channel 1111 communicated with the shock absorber cavity and a second channel communicated with the gas storage tank 300, the first valve body 111 is in threaded connection with the regulating piece 114, one end of the spring 113, far away from the regulating piece 114, seals a hole on the valve plate base 112, and the compression amount of the spring 113 is regulated by regulating the relative position between the regulating piece 114 and the first valve body 111 through threads, so that the flow of hydraulic oil is regulated at a first through hole 1232, and damping regulation of the low-speed regulating valve 120 is realized;

The low speed adjusting valve 120 includes a second valve body 121, and an adjusting rod 122 and a connecting member 123 disposed in a chamber of the second valve body 121, the second valve body 121 having a third passage 1211 communicating with the shock absorber chamber and a fourth passage communicating with the air tank 300, the connecting member 123 having a receiving chamber 1231 communicating with the third passage 1211 and the fourth passage, respectively, the receiving chamber 1231 communicating with the third passage 1211 through a first through hole 1232, the receiving chamber 1231 communicating with the fourth passage through a second through hole, the adjusting rod 122 being screw-coupled with the connecting member 123 to block the receiving chamber 1231, the adjusting rod 122 moving toward or away from the first through hole 1232 to adjust a gap between the adjusting rod 122 and the first through hole 1232, so as to achieve damping adjustment of the high speed adjusting valve 110, improving grip performance of the vehicle under rough road running.

In one possible embodiment of the present application, as shown in fig. 1, 2 and 3, a first fixing sleeve 115 is further provided on the first valve body 111, and the first valve body 111 is screwed with the adjusting member 114 through the first fixing sleeve 115.

Specifically, when the high-speed adjusting valve 110 is assembled, the valve plate base 112, the spring 113 and the adjusting member 114 are assembled in the chamber of the first valve body 111 in this order, the first fixing sleeve 115 is screwed with the first valve body 111, the adjusting member 114 and the first fixing sleeve 115 are screwed, and the compression amount of the spring 113 is adjusted by adjusting the relative positions of the first fixing sleeve 115 and the adjusting member 114.

Further, a first sealing ring is provided between the first fixing sleeve 115 and the first valve body 111, and a second sealing ring is provided between the first fixing sleeve 115 and the adjusting member 114. To ensure tightness of the high-speed regulator valve 110.

In one possible embodiment of the present application, as shown in fig. 1, 2 and 3, a second fixing sleeve 124 is further provided on the second valve body 121, and the second valve body 121 is screwed with the connecting member 123 through the second fixing sleeve 124.

When the low-speed regulating valve 120 is assembled, the connecting piece 123 and the regulating rod 122 are sequentially installed in the cavity of the second valve body 121, the second valve body 121 is in threaded connection with the connecting piece 123 through the second fixing sleeve 124, and the regulating rod 122 is in threaded connection with the connecting piece 123, so that stable assembly of the low-speed regulating valve 120 is ensured.

In one possible embodiment of the present application, as shown in fig. 1, 2 and 3, a valve plate 116 is further disposed in the chamber of the first valve body 111, and the valve plate 116 is disposed between the valve plate base 112 and the spring 113 and seals the aperture on the valve plate base 112.

Specifically, when the vehicle travels on rough road surface, the compression speed of the shock absorber increases, the pressure of the hydraulic oil increases inside the shock absorber, the pressure of the hydraulic oil in the shock absorber body 200 overcomes the elastic force of the spring 113 in the high-speed adjusting valve 110, that is, the pressure of the hydraulic oil washes out the valve plate 116 of the aperture provided on the valve plate base 112, the hydraulic oil in the shock absorber body 200 enters the chamber of the first valve body 111 through the first passage 1111 and the aperture provided on the valve plate base 112 and then flows to the air tank 300 through the second passage, while the hydraulic oil in the shock absorber body 200 also flows into the receiving chamber 1231 of the connecting member 123 through the third passage 1211 and the first through hole 1232 provided on the connecting member 123, flows to the air tank 300 through the second through hole and the fourth passage provided on the connecting member 123, and the relative position between the adjusting member 114 and the first valve body 111 is adjusted by threads to adjust the compression amount of the spring 113, so that the damping adjustment of the high-speed adjusting valve 110 is achieved. When the road bump amplitude is large, the relative position between the screw thread adjusting member 114 and the first valve body 111 is adjusted to increase the compression amount of the spring 113, improving the grip performance of the vehicle under rough road running.

In one possible embodiment of the present application, as shown in fig. 1, 2 and 3, the adjusting member 114 includes a connecting rod 1141 screwed with the first fixing sleeve 115, and a slider 1142 sleeved on the connecting rod 1141, and two ends of the slider 1142 respectively abut against the spring 113 and the adjusting rod 122.

Specifically, the adjustment member 114 is provided in the form of an assembly of the connecting rod 1141 and the slider 1142 to facilitate assembly of the high-speed adjustment valve 110.

In one possible embodiment of the present application, as shown in fig. 1, 2 and 3, an elastic member 125 is further disposed in the chamber of the second valve body 121, and two ends of the elastic member 125 are respectively connected to the second valve body 121 and the connecting member 123.

Specifically, the elastic member 125 is disposed in the cavity of the second valve body 121, so as to avoid the situation of vibration loosening after the second valve body 121 is in threaded connection with the connecting member 123, so as to ensure the overall stability of the low-speed regulating valve 120.

In one possible embodiment of the present application, as shown in fig. 1, 2 and 3, the end of the adjustment rod 122 extending into the receiving cavity 1231 is tapered.

Specifically, one end of the adjusting rod 122 extending into the accommodating cavity 1231 is tapered to improve the accuracy of adjusting the flow rate of the hydraulic oil at the first through hole 1232, so as to improve the accuracy of damping adjustment of the low-speed adjusting valve 120.

The embodiment of the application also discloses a shock absorber, which comprises a shock absorber main body 200, a gas storage tank 300 and the shock absorber damping assembly 100 in the previous embodiment, wherein the shock absorber damping assembly 100 is connected with the shock absorber main body 200 and the gas storage tank 300. The shock absorber includes the same structure and advantages as the shock absorber damping assembly 100 of the previous embodiment. The structure and advantages of the shock absorber damping assembly 100 have been described in detail in the previous embodiments and are not repeated here.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The damping component of the shock absorber is used for communicating the shock absorber main body with the air storage tank and regulating the flow of hydraulic oil, and is characterized by comprising a high-speed regulating valve and a low-speed regulating valve, wherein the high-speed regulating valve comprises a first valve body, a valve plate base, a spring and a regulating piece, the valve plate base, the spring and the regulating piece are sequentially assembled in a cavity of the first valve body, the first valve body is provided with a first channel communicated with the cavity of the shock absorber main body and a second channel communicated with the air storage tank, the regulating piece is in threaded connection with the first valve body, one end of the spring, far away from the regulating piece, seals a hole on the valve plate base, and the relative position between the regulating piece and the first valve body is regulated through threads so as to regulate the compression amount of the spring;

The low-speed regulating valve comprises a second valve body, an adjusting rod and a connecting piece, wherein the adjusting rod and the connecting piece are arranged in a cavity of the second valve body, the second valve body is provided with a third channel communicated with the cavity of the main body of the shock absorber and a fourth channel communicated with the air storage tank, the connecting piece is provided with a containing cavity communicated with the third channel and the fourth channel respectively, the containing cavity is communicated with the third channel through a first through hole, the containing cavity is communicated with the fourth channel through a second through hole, the adjusting rod is in threaded connection with the connecting piece to seal the containing cavity, and the adjusting rod moves towards or away from the first through hole to adjust the gap between the adjusting rod and the first through hole.

2. The shock absorber damping assembly of claim 1, wherein said first valve body is further provided with a first retaining sleeve, said first valve body being threadably coupled to said adjuster by said first retaining sleeve.

3. The shock absorber damping assembly of claim 1, wherein a second retaining sleeve is further provided on said second valve body, said second valve body being threadably coupled to said connector by said second retaining sleeve.

4. The shock absorber damping assembly of claim 1, wherein a valve plate is further disposed within the chamber of the first valve body, the valve plate being disposed between the valve plate base and the spring and sealing off an aperture in the valve plate base.

5. The shock absorber damping assembly of claim 2, wherein the adjusting member comprises a connecting rod in threaded connection with the first fixing sleeve and a sliding block sleeved on the connecting rod, and two ends of the sliding block respectively support against the spring and the adjusting rod.

6. The shock absorber damping assembly of claim 1, wherein an elastic member is further disposed in the chamber of the second valve body, and two ends of the elastic member are respectively connected to the second valve body and the connecting member.

7. The shock absorber damping assembly of claim 2, wherein a first seal ring is disposed between said first stationary sleeve and said first valve body.

8. The shock absorber damping assembly of claim 2, wherein a second seal ring is disposed between said first stationary sleeve and said adjustment member.

9. The shock absorber damping assembly of claim 1, wherein an end of said adjustment rod extending into said receiving cavity is tapered.

10. A shock absorber comprising a shock absorber body, a gas reservoir and a shock absorber damping assembly as claimed in any one of claims 1 to 9, said shock absorber damping assembly connecting said shock absorber body and said gas reservoir.