Shock absorber valve capable of adjusting damping

Abstract

The utility model discloses a damper valve capable of adjusting damping, and relates to the technical field of dampers. Comprises: a valve housing provided with a first opening and a second opening; an operating member; a first elastic part with an acting force between the valve housing and the operating member; the main valve is arranged in the valve shell and is in transmission connection with the action part; the damping control element is located in the valve shell, is in transmission connection with the main valve and can adjust the medium circulation amount between the first opening and the second opening through axial movement of the damping control element; the end cover is located at the end, provided with the first opening, of the valve shell and faces the damping control element. The component is inserted in the middle of the damping control element and the end cover; a second elastic portion interposed between the main valve and the member; a first elastic portion interposed between the end cap and the member; and in the free state of being not powered on and free of medium pressure, a channel for fluid medium circulation exists between the main valve and the damping control element. The utility model has the characteristics of initial opening and low energy consumption.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shock absorber technical field, concretely relates to a shock absorber valve of adjustable damping. BACKGROUND

[0002] The automobile shock absorber is installed between the frame and the axle, is mainly used to restrain the oscillation when the spring shock is rebounded and the impact from the road, makes the vehicle quickly restore to the normal driving state, plays the effect of anti-vibration and shock absorption. The automobile shock absorber is adapted with the damping valve, when the automobile is under the impact of different road conditions interference and speed, the vibration is transmitted through the wheel, and more than 1030% energy is reduced by the shock absorber, is the key part of the anti-vibration and shock absorption in the automobile suspension system. In order to improve the performance of the vehicle, the damping control valve with adjustable damping size is mostly used. SUMMARY

[0003] The utility model provides a shock absorber valve of adjustable damping with initial opening, initial damping force is small, and the damping force can be realized proportional control with current, so as to adjust in real time according to the vehicle road condition, effectively reduce the energy consumption of damping adjustment device, has the characteristics of low energy consumption.

[0004] The utility model discloses a shock absorber valve of adjustable damping through the following technical scheme realization:

[0005] The utility model provides a shock absorber valve of adjustable damping, include: end cover, be located one side of valve shell body, main valve is set up in the valve shell body, can move, component can move relative to end cover, damping control element is set up between end cover and main valve, with component transmission connection, second elastic part, acting force is between main valve and component, first elastic part, acting force is between end cover and component, thereby at least in adjustable damping shock absorber valve stationary state, main valve is lifted away from damping control element, releases fluid medium flow passage.

[0006] That is, the damper valve with adjustable damping provided by the utility model, comprising: a valve housing, provided with a first opening, a side wall provided with a second opening, the first opening and the second opening are communicated; a moving component, arranged in the valve housing, and can move axially along the valve housing under the driving of a driving element; a first elastic element, the force is between the valve housing and the moving component; a main valve, arranged in the valve housing, and transmission connection with the moving component; a damping control element, located in the valve housing, transmission connection with the main valve, and can adjust the medium flow between the first opening and the second opening through the axial movement of itself; an end cover, located at one end of the valve housing provided with the first opening, and facing the damping control element; a component, inserted in the damping control element and the middle part of the end cover, and the rod part can move axially along the valve housing relative to the damping control element and the end cover; a second elastic part, the force is between the main valve and the component; a first elastic part, the force is between the end cover and the component; wherein, in the free state of no medium pressure without power, there is a fluid medium flow channel between the main valve and the damping control element.

[0007] The damper valve with adjustable damping provided by the utility model, comprising a valve housing, a moving component, a first elastic element, a main valve, a damping control element, an end cover, a component, a second elastic part and a first elastic part, the moving component, the first elastic element, the main valve and the damping control element are arranged in the valve housing, the valve housing is provided with a first opening and a side wall provided with a second opening, and the second elastic part and the first elastic part are arranged between the main valve and the component, so that the end cover and the damping control element are simultaneously extruded by the first elastic element, the second elastic part and the first elastic part, so that in the free state of no medium pressure without power, there is a fluid medium flow channel between the end cover and the main valve, that is, the damping control valve has an initial opening in the static state, and the initial damping force is small.

[0008] Meanwhile, the first elastic element is arranged between the valve housing and the moving component, the moving component is transmission connection with the main valve, and the damping control element is transmission connection with the main valve, so that when the damping needs to be adjusted, the pressure of the moving component acting on the damping control element is changed by the driving element, the force acting on the damping control element is adjusted, the damping control element moves axially, the medium flow between the first opening and the second opening is adjusted, the medium flow of the damping control valve is adjusted, and then the damping of the medium flow is changed, so that the damping can be provided according to the actual demand, and the overall power consumption is further reduced. The driving force of the driving element is determined according to the current input therein, and is in direct proportion relationship with the current, so that the damping force and the current are directly proportional.

[0009] Therefore, the damper valve with adjustable damping provided by the utility model has initial opening, small initial damping force, and can realize proportional control of damping force and current, so as to adjust in real time according to vehicle road conditions, effectively reduce energy consumption of the damping adjustment device, and has the characteristics of low energy consumption.

[0010] The elastic effect of the first elastic element, the second elastic part and the first elastic part can be set to be different, so that diversified damping force performance combinations can be realized by adjusting different specifications and proportions, and various damping adjustment requirements can be met.

[0011] In an optional embodiment of the present application, the valve housing comprises a first housing and a second housing connected; the action component is arranged in the first housing, the main valve and the damping control element are arranged in the second housing, and the end cover is mounted at the end of the second housing away from the first housing, so as to facilitate the mounting of the action element and the first elastic element.

[0012] In an optional embodiment of the present application, the force of the first elastic element is between the second housing and the action component, so that the force of the second elastic part is reduced by the pressing action of the first elastic element, so that the damping control element and the main valve have an initial opening in the free state without power supply and work.

[0013] In an optional embodiment of the present application, the force of the first elastic element is between the first housing and the action component, so that the combined force of the first elastic element and the first elastic part is overcome by the second elastic part, so that the damping control element and the main valve have an initial opening in the free state without power supply and work.

[0014] In an optional embodiment of the present application, the component is provided with a first limiting part and a second limiting part at both ends, the first limiting part is used for limiting the installation of the first elastic part, and the second limiting part is used for driving the damping control element to move, so as to ensure that the force of the second elastic part can be between the main valve and the component, and the force of the first elastic part can be between the end cover and the component.

[0015] In an optional embodiment of the present application, the component comprises a matching rod part and a plug cover part connected, the first limiting part is integrally formed with the matching rod part, and the plug cover part is the second limiting part.

[0016] In an optional embodiment of the present application, the component comprises a matching rod part and a plug cover part connected, the first limiting part is integrally formed with the matching rod part, and the plug cover part is the second limiting part, so that the component adopts a split structure element, so as to facilitate the assembly of the component.

[0017] In an optional embodiment of the present application, the component includes a matching rod portion, the first limiting portion and the second limiting portion are integrally formed with the matching rod portion, and the second limiting portion is a bendable structure, and the damping control element is reset by the bending of the second limiting portion, thereby reducing the requirement of the matching size of the damping control element, reducing the cost of parts, and making the action posture of the damping control element more stable, and improving the reliability of the product. And the end cover, the damping control element, each elastic element and the product assembly as a sub-assembly body can be assembled, reducing the difficulty of radial centering during assembly of the control assembly.

[0018] In an optional embodiment of the present application, the elastic effects of the first elastic element, the second elastic portion and the first elastic portion are different, so that the elastic effects of the first elastic element, the second elastic portion and the first elastic portion are set to be different, so as to realize diversified damping force performance combination by adjusting different specifications, and meet various damping adjustment requirements.

[0019] In an optional embodiment of the present application, a driving element is further included, and the driving element is sleeved outside the first housing to facilitate installation of the driving element.

[0020] In an optional embodiment of the present application, a piston rod is further included, and the valve housing is installed in the piston rod, so as to facilitate installation of the damping adjustment assembly in the automobile shock absorber, and facilitate adjustment of the damping of the automobile shock absorber.

[0021] Compared with the prior art, the damping-adjustable shock absorber valve has the following advantages and beneficial effects:

[0022] 1. The damping-adjustable shock absorber valve provided by the present application comprises a valve housing, a moving component, a first elastic element, a main valve, a damping control element, an end cover, a component, a second elastic portion and a first elastic portion, the moving component, the first elastic element, the main valve and the damping control element are arranged in the valve housing, the valve housing is provided with a first opening and a side wall provided with a second opening, the second elastic portion is arranged between the main valve and the component, and the first elastic portion is arranged between the end cover and the component, so as to simultaneously press the end cover and the damping control element by the first elastic element, the second elastic portion and the first elastic portion, so that the damping control valve is in a free state without power and medium pressure, there is a fluid medium flow channel between the end cover and the main valve, that is, the damping control valve has an initial opening in a static state, the initial damping force is small, and the energy consumption of the damping adjustment device can be effectively reduced.

[0023] 2. The damper valve with adjustable damping provided by the utility model has the advantages that the first elastic element acting force is between the valve shell and the action component, the action component is in transmission connection with the main valve, the damping control element is in transmission connection with the main valve, thereby, when the damping needs to be adjusted, the pressure of the action component acting on the damping control element is changed through the driving element, the acting force acting on the damping control element can be adjusted, the damping control element moves axially, the medium flow between the first opening and the second opening is adjusted, the medium flow of the damping control valve is adjusted, the damping of the medium flow is changed, the damping can be provided according to the actual demand, the overall power consumption is reduced, the driving force of the driving element is determined according to the current input therein and is in direct proportion thereto, the damping force and the current are directly proportional, the vehicle road condition can be adjusted in real time, and the utility model has the characteristics of low energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0025] In the drawings:

[0026] Figure 1 It is a structural schematic view of the first embodiment of the damper valve with adjustable damping of the utility model embodiment.

[0027] Figure 2 It is a structural schematic view of the second embodiment of the damper valve with adjustable damping of the utility model embodiment.

[0028] Figure 3 It is an enlarged structural schematic view of A part of the utility model embodiment. Figure 1

[0029] Figure 4 It is a structural schematic view of the third embodiment of the damper valve with adjustable damping of the utility model embodiment.

[0030] Figure 5 It is a structural schematic view of the fourth embodiment of the damper valve with adjustable damping of the utility model embodiment.

[0031] Markings in the drawings and corresponding names of parts:

[0032] ​1 - piston rod, A - first opening, B - second opening, 2 - drive element, 3 - valve housing, 301 - first housing, 302 - second housing, 4 - action member, 5 - first elastic element, 6 - main valve, 7 - damping control element, 8 - end cap, 103 - second elastic part, 10 - member, 101 - fitting rod part, 102 - second limiting part, 104 - first elastic part. DETAILED DESCRIPTION

[0033] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some, but not all, of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0034] In the description of the embodiments of the present application, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0035] In the description of the present application, unless otherwise explicitly specified and limited, the terms "provided", "opened", "mounted", "connected", "linked" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] Embodiment 1

[0037] In combination Figure 1 , the embodiment provides a damping-adjustable shock absorber valve, an end cap 8 is located at one side of a valve housing 3; a main valve 6 is arranged in the valve housing 3 and can move; a member 10 can move relative to the end cap 8; a damping control element 7 is arranged between the end cap 8 and the main valve 6 and is in transmission connection with the member 10; a second elastic part 103 is arranged between the main valve 6 and the member 10; a first elastic part 104 is arranged between the end cap 8 and the member 10; so that at least in the static state of the damping-adjustable shock absorber valve, the main valve 6 is lifted away from the damping control element 7, and the fluid medium flow passage is released. Among them, the static state is: in the free state without power and medium pressure.

[0038] Specifically, the adjustable damping shock absorber valve provided by the embodiment comprises a valve housing 3, which is provided with a first opening A, an end side wall of the first opening A is provided with a second opening B, and the first opening A and the second opening B are communicated; a moving component 4, which is arranged in the valve housing 3 and can move axially along the valve housing 3 under the driving of a driving element 2; a first elastic element 5, which is arranged between the valve housing 3 and the moving component 4; a main valve 6, which is arranged in the valve housing 3 and is in driving connection with the moving component 4; a damping control element 7, which is arranged in the valve housing 3, is in driving connection with the main valve 6, and can adjust the medium flow between the first opening A and the second opening B through axial movement of the damping control element 7; an end cover 8, which is arranged at one end of the valve housing 3 provided with the first opening A and faces the damping control element 7; a component 10, which is inserted in the middle of the damping control element 7 and the end cover 8, and the rod portions of the component 10 can move axially along the valve housing 3 relative to the damping control element 7 and the end cover 8; a second elastic portion 103, which is arranged between the main valve 6 and the component 10; and a first elastic portion 104, which is arranged between the end cover 8 and the component 10; wherein in a free state without power and medium pressure, there is a fluid medium flow channel between the main valve 6 and the damping control element 7.

[0039] Specifically, the valve housing 3 comprises a first housing 301 and a second housing 302 connected with each other; the moving component 4 is arranged in the first housing 301, the main valve 6 and the damping control element 7 are arranged in the second housing 302, and the end cover 8 is mounted at the end of the second housing 302 away from the first housing 301, so as to facilitate the installation of the moving element and the first elastic element 5.

[0040] In combination Figure 2 In the embodiment, the component 10 is provided with a first limiting portion and a second limiting portion 102 at two ends, the first limiting portion is used for providing limiting for the installation of the first elastic portion 104, and the second limiting portion 102 is used for driving the damping control element 7 to move, so as to ensure that the second elastic portion 103 can act between the main valve 6 and the component 10, and the first elastic portion 104 can act between the end cover 8 and the component 10.

[0041] It can be understood that the damping control element 7 can keep the original structure under the action of the hydraulic pressure and the main valve 6 and does not deform, that is, the damping control element 7 has sufficient rigidity to ensure that when the damping control element 7 moves, the damping control element 7 can play a role in adjusting the effective flow area between the first opening A and the second opening B, so as to adjust the medium flow.

[0042] The force of the first elastic element 5 is between the second shell 302 and the action component 4. That is, the first elastic element 5 is installed between the end of the second shell 302 opposite to the first shell 301 and the action component, so as to reduce the force of the second elastic part 103 by the pressing action of the first elastic element 5 (the action component does not generate force on the damping control element 7 in the free state), and the damping control element 7 is pressed on the end cover 8 by the second elastic part 103, so that the damping adjusting device has an initial opening between the damping control element 7 and the main valve 6 in the free state without power supply and work. And the first elastic element 5 provides a reset elastic force to the action assembly.

[0043] It should be noted that the elastic effects of the first elastic element 5, the second elastic part 103 and the first elastic part 104 are different (elastic coefficient / return effect), so that the elastic effects of the first elastic element 5, the second elastic part 103 and the first elastic part 104 are set to be different, so as to realize diversified damping force performance combination by adjusting different specifications, and meet various damping adjustment requirements.

[0044] It can be understood that the embodiment also includes a driving element 2 (an electromagnetic coil), which is sleeved outside the first shell 301, so as to facilitate the installation of the driving element 2.

[0045] In addition, the embodiment also includes a piston rod 1, and the valve shell 3 is installed in the piston rod 1, so as to facilitate the installation of the damping adjusting assembly in the automobile shock absorber, so as to adjust the damping of the automobile shock absorber.

[0046] In summary, the adjustable damping shock absorber valve provided by the embodiment includes a valve shell 3, an action component 4, a first elastic element 5, a main valve 6, a damping control element 7, an end cover 8, a component 10, a second elastic part 103 and a first elastic part 104. The action component 4, the first elastic element 5, the main valve 6 and the damping control element 7 are arranged in the valve shell 3, the valve shell 3 is provided with a first opening A and a second opening B arranged on the side wall, the second elastic part 103 has a force between the main valve 6 and the component 10, and the first elastic part 104 has a force between the end cover 8 and the component 10, so that the damping control valve has a fluid medium flow channel between the end cover 8 and the main valve 6 in the free state without power supply and medium pressure, that is, the damping control valve has an initial opening in the static state, and the initial damping force is small

[0047] Meanwhile, the first elastic element 5 acts between the valve housing 3 and the action component 4, the action component 4 is in transmission connection with the main valve 6, and the damping control element 7 is in transmission connection with the main valve 6. Therefore, when the damping needs to be adjusted, the pressure of the action component 4 acting on the damping control element 7 is changed by the driving element 2, the acting force acting on the damping control element 7 is adjusted, the damping control element 7 moves axially, the medium flow between the first opening A and the second opening B is adjusted, the medium flow of the damping control valve is adjusted, and the damping of the medium flow is changed to provide damping according to the actual demand, thereby reducing the overall power consumption. The driving force of the driving element 2 is determined according to the current input therein and is in a proportional relationship, which can realize proportional control of the damping force and the current.

[0048] In addition, when the medium flows from the first opening A to the second opening B, the damping control element 7 compresses the second elastic part 103 and the first elastic part 104 to provide damping through the second elastic part 103 and the first elastic part 104.

[0049] In summary, the adjustable damping shock absorber valve provided by the embodiment has an initial opening, a small initial damping force, and can realize proportional control of the damping force and the current to adjust in real time according to the road conditions of the vehicle and effectively reduce the energy consumption of the damping adjustment device, thereby having the characteristics of low energy consumption.

[0050] In addition, the elastic effects of the first elastic element 5, the second elastic part 103, and the first elastic part 104 can be set to be different to realize diversified damping force performance combinations by adjusting different specifications, thereby meeting various damping adjustment requirements.

[0051] Embodiment 2

[0052] In combination Figure 2 The adjustable damping shock absorber valve provided by the embodiment is based on embodiment 1, and the acting force of the first elastic element 5 is between the first housing 301 and the action component 4. That is, the first elastic element 5 is installed between the end of the action element away from the second housing 302 and the first housing 301, so that the combined force of the second elastic part 103 and the first elastic element 5 (the action of the action element on the damping control element 7 to compress the second elastic part 103 in a free state) is such that the damping adjustment device has an initial opening between the damping control element 7 and the main valve 6 in a free state without power supply and work.

[0053] Embodiment 3

[0054] In combination Figure 3The embodiment provides a damper valve with adjustable damping, based on the embodiment 1, the component 10 comprises a matched rod part 101 and a plug cover part, the first limiting part is integrally formed with the matched rod part 101, and the plug cover part is the second limiting part 102, so that the component 10 adopts a split structure element, so that the component 10 is convenient to assemble.

[0055] Embodiment 4

[0056] In combination Figure 4 The embodiment provides a damper valve with adjustable damping, based on the embodiment 1, the component 10 comprises a matched rod part 101, the first limiting part and the second limiting part 102 are integrally formed with the matched rod part 101, and the second limiting part 102 is a bendable structure, the damping control element 7 can be reset through the bending reset of the second limiting part 102, so that the demand of the damping control element 7 on the matched size is reduced, the part cost is reduced, meanwhile, the action posture of the damping control element 7 is more stable, the reliability of the product is improved. And the end cover 8, the damping control element 7, each elastic element and the product assembly as a sub-assembly body can be assembled, so that the radial centering difficulty of the control assembly during assembly is reduced.

[0057] It can be known that the damping adjusting devices provided in the above embodiment 1-4 are not limited to be used in automobile dampers, and can also be used in other components or fluid control systems which need to use damping size adjustable components.

[0058] The above specific embodiments further specifically describe the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only the specific embodiment of the utility model, and is not used for limiting the protection scope of the utility model, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A damper valve with adjustable damping, characterized in that The application relates to a damping control element (7) for a shock absorber valve, comprising: an end cover (8) arranged on one side of a valve housing (3); a main valve (6) arranged in the valve housing (3) and movable; a component (10) movable relative to the end cover (8); the damping control element (7) arranged between the end cover (8) and the main valve (6) and in transmission connection with the component (10); a second elastic part (103) arranged between the main valve (6) and the component (10); a first elastic part (104) arranged between the end cover (8) and the component (10); so that at least in a static state of the shock absorber valve with adjustable damping, the main valve (6) is lifted away from the damping control element (7) to release a fluid medium flow channel.

2. The adjustable damping shock absorber valve of claim 1 wherein, The application relates to a damping control element (7) for a shock absorber valve, comprising: a valve housing (3) with a first port (A) and a second opening (B) arranged on a side wall, the first port (A) being in communication with the second opening (B); a moving component (4) arranged in the valve housing (3) and capable of moving axially along the valve housing (3) under the drive of a driving element (2); a first elastic element (5) arranged between the valve housing (3) and the moving component (4); wherein in a free state without power and medium pressure, a fluid medium flow channel exists between the main valve (6) and the damping control element (7).

3. The adjustable damping shock absorber valve of claim 2 wherein, The valve housing (3) comprises a first housing (301) and a second housing (302) connected with each other; the moving component (4) is arranged in the first housing (301), the main valve (6) and the damping control element (7) are arranged in the second housing (302), and the end cover (8) is arranged on an end of the second housing (302) away from the first housing (301).

4. A valving for a variable-damping shock absorber according to claim 3, wherein, The first elastic element (5) is arranged between the second housing (302) and the moving component (4).

5. The adjustable damping shock absorber valve of claim 3 wherein, The first elastic element (5) is arranged between the first housing (301) and the moving component (4).

6. The adjustable damping shock absorber valve of claim 3 wherein, The component (10) is provided with a first limiting part and a second limiting part (102) at two ends, the first limiting part is used for limiting the installation of the first elastic part (104), and the second limiting part (102) is used for driving the damping control element (7) to move.

7. A valving for a variable-damping shock absorber according to claim 6, wherein, The component (10) comprises a matching rod part (101) and a plug cover part connected with each other, the first limiting part is integrally formed with the matching rod part (101), and the plug cover part is the second limiting part (102).

8. The adjustable damping shock absorber valve of claim 6 wherein, The component (10) comprises a matching rod part (101), the first limiting part and the second limiting part (102) are integrally formed with the matching rod part (101), and the second limiting part (102) is a bendable structure.

9. A variable-damping shock absorber valve according to any one of claims 3 to 8, characterized in that The elastic effects of the first elastic element (5), the second elastic part (103) and the first elastic part (104) are different.

10. A variable-damping shock absorber valve according to any one of claims 3 to 8, characterized in that The application further comprises a driving element (2) sleeved outside the first housing (301).

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