Shock absorber valve body and shock absorber with same

Abstract

A shock absorber valve body and a shock absorber with the same relate to the technical field of vehicle parts, the shock absorber valve body comprises a base, a blocking piece and a valve plate, the blocking piece and the valve plate are installed on the base, the blocking piece is arranged between the valve plate and the base, the valve plate comprises a valve plate body and an elastic shock absorption block, and the elastic shock absorption block is arranged between the valve plate body and the base. The elastic vibration reduction block is arranged on the valve plate body and extends downwards so as to abut against the blocking piece. The damper valve body can effectively reduce vibration.

Description

Technical Field

[0001] This utility model relates to the field of vehicle parts technology, and in particular to a shock absorber valve body and a shock absorber having the same. Background Technology

[0002] Shock absorbers are crucial vehicle components, playing a vital role in damping vibrations. Hydraulic shock absorbers, which use hydraulic fluid to reduce vehicle vibrations, are widely used due to their effective damping. However, when a vehicle traverses uneven surfaces, the fluid inside the hydraulic shock absorber forces the valve plates on the valve body open at a high frequency. This constant opening and closing of the valve body causes it to vibrate at a specific frequency. This vibration is transmitted to the vehicle body through the piston valve, piston rod, and upper support. The vehicle body amplifies this vibration, like a horn, into the passenger compartment, resulting in a poor driving experience. Utility Model Content

[0003] To address the aforementioned problems, this utility model provides a vibration damper valve body and a vibration damper having the same, which can effectively reduce vibration.

[0004] This utility model provides a vibration damper valve body, including a base, a blocking plate, and a valve plate. The blocking plate and the valve plate are mounted on the base. The blocking plate is disposed between the valve plate and the base. The valve plate includes a valve plate body and an elastic damping block. The elastic damping block is disposed on the valve plate body and extends downward to abut against the blocking plate.

[0005] Furthermore, the elastic damping block is an elastic damping block made of rubber.

[0006] Furthermore, the elastic damping block includes a damping block body and a pressure head. The damping block body is connected to the valve plate body, and the pressure head is connected to the damping block body and extends downward to abut against the blocking plate. A hollow portion is formed inside the pressure head.

[0007] Furthermore, the hollow portion is formed by the indentation of the lower surface of the pressure head in the direction of the vibration damping block body.

[0008] Furthermore, the area of ​​the cross section perpendicular to the axis of the pressure head gradually decreases from the direction closest to the damping block body to the direction furthest from the damping block body, and the bottom of the pressure head is a plane.

[0009] Furthermore, a mounting hole is formed on the valve plate body, and an annular mounting groove is provided on the damper body, with the inner wall of the mounting hole engaging with the mounting groove.

[0010] Furthermore, along the axial direction of the valve plate body, the mounting hole includes a first hole segment and a second hole segment. The diameter of the first hole segment is smaller than that of the second hole segment. The second hole segment is closer to the blocking plate than the first hole segment. When the damping block body is fixed in the mounting hole, the first hole segment engages in the mounting groove, and the inner sidewall of the second hole segment abuts against the outer sidewall of the damping block body.

[0011] Furthermore, there are multiple elastic damping blocks, which are distributed in a centrally symmetrical manner on the valve plate.

[0012] Furthermore, the damper valve body includes an elastic element, a second connecting shaft, and a connecting base. The connecting base is connected to the second connecting shaft, and the end of the second connecting shaft away from the connecting base is connected to the end of the base away from the blocking plate. The elastic element is sleeved on the second connecting shaft and connected between the connecting base and the base.

[0013] A vibration damper includes the aforementioned vibration damper valve body.

[0014] In summary, in this invention, when a vehicle travels on a bumpy road, the hydraulic fluid flows upward through the channels on the base, pushing open the baffle plate and entering the hydraulic chamber of the shock absorber. The valve plate on the upper surface of the baffle plate applies a downward pressure to the baffle plate, causing it to close quickly. In this invention, the elastic damping block abuts against the baffle plate from its upper surface. Therefore, the shock absorber valve body can close the baffle plate through the deformation of the elastic damping block, while simultaneously reducing the deformation of the valve plate itself, thereby reducing the vibration of the valve plate. In other words, the shock absorber valve body can effectively reduce vibration.

[0015] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1The figure shown is a cross-sectional structural diagram of the vibration damper valve body provided in an embodiment of this utility model.

[0018] Figure 2 As shown Figure 1 A schematic diagram of the exploded structure of the valve body.

[0019] Figure 3 As shown Figure 1 A schematic diagram of the cross-sectional structure of the valve plate.

[0020] Figure 4 As shown Figure 2 A schematic diagram of the axial structure of a medium-elastic damping block.

[0021] Figure 5 As shown Figure 4 A schematic diagram of the cross-sectional structure of a medium-elastic vibration damping block. Detailed Implementation

[0022] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the description of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0024] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of description and simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar properties, not to indicate or imply relative importance or a specific order.

[0026] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.

[0027] This utility model provides a vibration damper valve body and a vibration damper having the same, the vibration damper valve body can effectively reduce vibration.

[0028] Figure 1 The figure shown is a cross-sectional structural diagram of the damper valve body provided in an embodiment of this utility model. Figure 2 As shown Figure 1 Exploded view of the valve body of the middle shock absorber. Figure 3 As shown Figure 1 A schematic diagram of the cross-sectional structure of the valve plate. Figure 4 As shown Figure 2 A schematic diagram of the axial structure of a moderately elastic damping block. Figure 5 As shown Figure 4 A schematic diagram of the cross-sectional structure of a moderately elastic vibration damper. (See diagram below.) Figures 1 to 5 As shown, the vibration damper valve body provided in this embodiment of the present invention includes a base 10, a blocking plate 20, a valve plate 30, and a first connecting shaft 40. The first connecting shaft 40 passes through the blocking plate 20 and the valve plate 30, and mounts the blocking plate 20 and the valve plate 30 on the base 10. The blocking plate 20 is disposed between the valve plate 30 and the base 10. The valve plate 30 includes a valve plate body 31 and an elastic damping block 32. The elastic damping block 32 is fixed on the valve plate body 31 and extends downward to abut against the blocking plate 20.

[0029] In this embodiment, when the vehicle travels on a bumpy road, the oil flows upward through the flow channel (not shown) on the base 10, pushing open the baffle 20 and then entering the hydraulic chamber of the shock absorber. The valve plate 30 on the upper surface of the baffle 20 applies a downward pressure to the baffle 20, causing the baffle 20 to close quickly. In this embodiment, the elastic damping block 32 is arranged so that it abuts against the baffle 20 from the upper surface of the baffle 20. Therefore, the shock absorber valve body can complete the closure of the baffle 20 through the deformation of the elastic damping block 32, while reducing the deformation of the valve plate body 31 itself, thereby reducing the vibration of the valve plate 30. That is, the shock absorber valve body can effectively reduce vibration.

[0030] Furthermore, the elastic damping block 32 can be an elastic damping block 32 made of rubber, preferably an elastic damping block 32 made of nitrile rubber.

[0031] The elastic damping block 32 includes a damping block body 321 and a pressure head 322. The damping block body 321 is connected to the valve plate body 31, and the pressure head 322 is connected to the damping block body 321 and extends downward to abut against the blocking plate 20. A hollow portion 3221 is formed inside the pressure head 322. The hollow portion 3221 makes the elastic damping block 32 easier to compress, and at the same time, the elastic damping block 32 is less likely to twist when the blocking plate 20 moves upward. Furthermore, the hollow portion 3221 also allows the stiffness of the elastic damping block 32 to be changed by altering the wall thickness of the pressure head 322, thereby improving the versatility of the valve plate 30.

[0032] Furthermore, the hollow portion 3221 is formed by the lower surface of the pressure head 322 recessed towards the damping block body 321. In other words, the lower surface of the pressure head 322 is open. When the damper is working, some oil can also enter into the recess to further dampen the valve plate 30.

[0033] Furthermore, the area of ​​the cross-section perpendicular to the axis of the pressure head 322 gradually decreases from the direction closest to the damping block body 321 to the direction furthest from the damping block body 321. The bottom of the pressure head 322, i.e., the side furthest from the damping block body 321, is flat. In other words, viewed from the side, the pressure head 322 is approximately frustum-shaped. This shape optimizes the stiffness curve of the elastic damping block 32 to better reduce the vibration of the valve plate 30.

[0034] Please continue to refer to Figures 3 to 5 A mounting hole 311 is formed on the valve plate body 31, and an annular mounting groove 3211 is provided on the damping block body 321. The inner side wall of the mounting hole 311 is engaged in the mounting groove 3211 to fix the elastic damping block 32.

[0035] Please continue to refer to Figure 3 Along the axial direction of the valve plate body 31, the mounting hole 311 includes a first hole section 3111 and a second hole section 3112. The diameter of the first hole section 3111 is smaller than the diameter of the second hole section 3112, and the second hole section 3112 is closer to the blocking plate 20 than the first hole section 3111. When the damping block body 321 is fixed in the mounting hole 311, the first hole section 3111 engages in the mounting groove 3211, and the inner sidewall of the second hole section 3112 abuts against the outer sidewall of the damping block body 321. With the above structure, the mounting hole 311 can better fix the elastic damping block 32 to prevent the elastic damping block 32 from twisting; furthermore, the contact between the second hole section 3112 and the outer sidewall of the damping block body 321 increases the sealing surface area between the elastic damping block 32 and the valve plate body 31, which can prevent oil from passing between the elastic damping block 32 and the valve plate body 31.

[0036] Please continue to refer to Figure 2 In this embodiment, there are multiple elastic damping blocks 32, which are arranged in a centrally symmetrical manner on the valve plate body 31, that is, the multiple elastic damping blocks 32 are symmetrical about the axis of the valve plate body 31. In this way, more stable vibration reduction can be provided.

[0037] Please continue to refer to Figure 2 The damper valve body further includes an elastic element 50, a second connecting shaft 60, and a connecting base 70. The connecting base 70 is connected to the second connecting shaft 60, and the end of the second connecting shaft 60 away from the connecting base 70 is connected to the end of the base 10 away from the blocking plate 20. The elastic element 50 is sleeved on the second connecting shaft 60 and connected between the connecting base 70 and the base 10. In this embodiment, the elastic element 50 can be a spring, while in other embodiments, the elastic element 50 can also be a spring sheet.

[0038] In summary, in this invention, when the vehicle travels on a bumpy road, the oil flows upward through the flow channel (not shown in the figure) on the base 10, pushing open the blocking plate 20 and then entering the hydraulic chamber of the shock absorber. The valve plate 30 on the upper surface of the blocking plate 20 applies a downward pressure to the blocking plate 20, causing the blocking plate 20 to close quickly. In this invention, the elastic damping block 32 abuts against the blocking plate 20 from its upper surface. Therefore, the shock absorber valve body can close the blocking plate 20 through the deformation of the elastic damping block 32, while reducing the deformation of the valve plate body 31 itself, thereby reducing the vibration of the valve plate 30. That is, the shock absorber valve body can effectively reduce vibration.

[0039] This utility model also provides a vibration damper, including the vibration damper valve body described above. For other technical features of this vibration damper, please refer to the prior art, which will not be repeated here.

[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A shock absorber valve body characterized by: The valve body comprises a base, a blocking piece and a valve piece, the blocking piece and the valve piece are mounted on the base, the blocking piece is arranged between the valve piece and the base, the valve piece comprises a valve piece body and an elastic damping block, the elastic damping block is arranged on the valve piece body and extends downward to abut against the blocking piece.

2. The damper valve body of claim 1, wherein: The elastic damping block is an elastic damping block made of rubber.

3. The shock absorber valve body of claim 1, wherein: The elastic damping block comprises a damping block body and a pressure head, the damping block body is connected with the valve piece body, the pressure head is connected with the damping block body and extends downward to abut against the blocking piece, and a hollow part is formed in the pressure head.

4. The shock absorber valve body of claim 3, wherein: The hollow part is recessed from the lower surface of the pressure head to the direction of the damping block body.

5. The shock absorber valve body of claim 3, wherein: From the direction close to the damping block body to the direction away from the damping block body, the area of the cross section perpendicular to the axis of the pressure head gradually decreases, and the bottom of the pressure head is a plane.

6. The shock absorber valve body of claim 3, wherein: An installation hole is formed in the valve piece body, and an annular installation groove is arranged on the damping block body, and the inner side wall of the installation hole is clamped into the installation groove.

7. The shock absorber valve body of claim 6, wherein: Along the axis direction of the valve piece body, the installation hole comprises a first hole section and a second hole section, the hole diameter of the first hole section is smaller than the hole diameter of the second hole section, the second hole section is closer to the blocking piece than the first hole section, when the damping block body is fixed in the installation hole, the first hole section is clamped in the installation groove, and the inner side wall of the second hole section abuts against the outer side wall of the damping block body.

8. The damper valve body of claim 1, wherein: There are a plurality of elastic damping blocks, and the plurality of elastic damping blocks are distributed in a central symmetric manner on the valve piece.

9. The damper valve body of claim 1, wherein: The damping block valve body comprises an elastic member, a second connecting shaft and a connecting base, the connecting base is connected with the second connecting shaft, one end of the second connecting shaft away from the connecting base is connected with one end of the base away from the blocking piece, the elastic member is sleeved on the second connecting shaft and connected between the connecting base and the base.

10. A damper characterized by: The damping block valve body comprises any one of claims 1 to 9. The damping block valve body comprises any one of claims 1 to 9.

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