Adjustable damping shock absorber

Abstract

The utility model discloses an adjustable damping shock absorber which comprises a cylinder body, a piston rod, a piston body, a first branch pipe, a second branch pipe and a buffer cylinder, the piston body is arranged in the cylinder body in a sliding mode, one end of the piston rod is connected with the piston body, and the other end of the piston rod extends out of the bottom end of the cylinder body. A first oil inlet, a first oil outlet, a second oil inlet and a second oil outlet are formed in the barrel, the first oil inlet and the first oil outlet are sequentially formed in the length direction of the barrel, the second oil inlet and the second oil outlet are formed in the length direction of the barrel, and the first oil inlet and the second oil outlet are both formed in the positions close to the top end of the barrel. And the first oil outlet and the second oil inlet are formed in the positions close to the bottom end of the cylinder body. The damping shock absorber has the technical effects that the compression damping force and the extension damping force of the whole damping shock absorber can be adjusted by adjusting the first one-way valve and the second one-way valve, the damping force can be flexibly adjusted according to actual use requirements, and various different use requirements can be met.

Description

TECHNICAL FIELD

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

[0002] The pipeline damping shock absorber is used for eliminating the vibration of the conveying material in the pipeline and preventing the pipeline fatigue damage and leakage, but the existing pipeline damping shock absorber can only adjust the damping strength by adjusting the viscosity of the oil filled in the pipeline damping shock absorber, so that the damping strength is inconvenient to adjust, therefore, a novel damping shock absorber needs to be designed to solve the above technical problems. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model provides adjustable damping shock absorber to solve the above problems in prior art.

[0004] In order to realize the above purpose, the utility model provides the following technical scheme:

[0005] According to the first aspect of the utility model, a kind of adjustable damping shock absorber, including cylinder, piston rod, piston body, first branch pipe, second branch pipe and buffer cylinder, the piston body is slidably arranged in the cylinder, one end of the piston rod is connected with the piston body, the other end of the piston rod extends to the bottom end outside of the cylinder;

[0006] The first oil inlet and the first oil outlet are sequentially arranged along the length direction of the cylinder, the second oil inlet and the second oil outlet are respectively arranged along the length direction of the cylinder, the first oil inlet and the second oil outlet are arranged at the position close to the top end of the cylinder, the first oil outlet and the second oil inlet are arranged at the position close to the bottom end of the cylinder;

[0007] Two ends of the first branch pipe are connected with the first oil inlet and the first oil outlet respectively, two ends of the second branch pipe are connected with the second oil inlet and the second oil outlet respectively, first check valve and second check valve are respectively arranged on the first branch pipe and the second branch pipe, and the first check valve and the second check valve are adjustable check valve.

[0008] The buffer cylinder is communicated with the bottom end of the cylinder.

[0009] Further, the first branch pipe and the second branch pipe are arranged at two sides of the cylinder respectively.

[0010] Further, the buffer cylinder is arranged at one side of the cylinder, and the buffer cylinder and the cylinder are parallel to each other.

[0011] Further, the piston body is provided with a throttle hole, the throttle hole penetrates the piston body along the axis of the piston body.

[0012] Further, the number of the throttle holes is multiple, and the multiple throttle holes are respectively arranged in pairs symmetrically along the axis of the piston body.

[0013] Further, the top end of the cylinder body is provided with a first connecting seat, and the first connecting seat is provided with a first connecting hole.

[0014] The end of the piston rod away from the piston body is provided with a second connecting seat, and the second connecting seat is provided with a second connecting hole.

[0015] Further, the first connecting seat and the second connecting seat are respectively threadedly connected with the cylinder body and the piston rod.

[0016] Further, the cylinder body and the buffer cylinder are both cylindrical.

[0017] The adjustable damping shock absorber has the following advantages: in the use process, the compression damping strength and the extension damping strength of the whole damping shock absorber can be adjusted through the first one-way valve and the second one-way valve, the damping strength can be flexibly adjusted according to actual use requirements, and various different use requirements can be met. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.

[0019] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0020] Figure 1 A structure schematic view of an adjustable damping shock absorber in a first compression state is provided for some embodiments of the present application.

[0021] Figure 2 A structure schematic view of an adjustable damping shock absorber in a second compression state is provided for some embodiments of the present application.

[0022] Figure 3 A structure schematic view of an adjustable damping shock absorber in a first stretching state is provided for some embodiments of the utility model.

[0023] Figure 4 A structure schematic view of an adjustable damping shock absorber in a second stretching state is provided for some embodiments of the utility model.

[0024] In the drawing: 1, cylinder, 2, piston rod, 3, piston body, 4, first branch pipe, 5, second branch pipe, 6, first oil inlet, 7, first oil outlet, 8, second oil outlet, 9, second oil inlet, 10, first check valve, 11, second check valve, 12, first connecting seat, 13, second connecting seat, 14, first connecting hole, 15, second connecting hole, 16, throttle hole, 17, buffer cylinder. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification, obviously, the described embodiments are a part of the embodiments of the utility model, instead of all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Embodiment 1

[0027] As Figures 1 to 4 Indicated, the utility model first aspect embodiment of adjustable damping shock absorber, including cylinder 1, piston rod 2, piston body 3, first branch pipe 4, second branch pipe 5 and buffer cylinder 17, piston body 3 is slidably arranged in cylinder 1, and piston rod 2 is arranged along the axial direction of cylinder 1, and one end of piston rod 2 is connected with piston body 3, and the other end of piston rod 2 extends to the outside of the bottom end of cylinder 1;

[0028] Cylinder 1 is equipped with first oil inlet 6, first oil outlet 7, second oil inlet 9 and second oil outlet 8, and first oil inlet 6 and first oil outlet 7 are sequentially arranged along the length direction of cylinder 1, and second oil inlet 9 and second oil outlet 8 are arranged along the length direction of cylinder 1 respectively, and first oil inlet 6 and second oil outlet 8 are arranged at the position close to the top end of cylinder 1, and first oil outlet 7 and second oil inlet 9 are arranged at the position close to the bottom end of cylinder 1;

[0029] The two ends of the first branch pipe 4 are connected to the first oil inlet 6 and the first oil outlet 7 respectively, and the two ends of the second branch pipe 5 are connected to the second oil inlet 9 and the second oil outlet 8 respectively. The first branch pipe 4 and the second branch pipe 5 are respectively provided with a first one-way valve 10 and a second one-way valve 11. The first one-way valve 10 and the second one-way valve 11 are both adjustable one-way valves. In the compressed state, the first one-way valve 10 is open and the second one-way valve 11 is not closed; in the extended state, the first one-way valve 10 is closed and the second one-way valve 11 is open; during use, the valve port diameters of the first one-way valve 10 and the second one-way valve 11 are adjustable. By adjusting the valve port diameters, the compression damping force and the extension damping force can be adjusted;

[0030] The buffer cylinder 17 is communicated with the bottom end of the cylinder 1 . The buffer cylinder 17 is used to store the oil flowing out of the cylinder 1 in a compressed state and to replenish the oil in the cylinder 1 in an extended state.

[0031] In this embodiment, it should be noted that the first branch pipe 4 and the second branch pipe 5 are respectively arranged on both sides of the cylinder 1. Specifically, the first branch pipe 4 and the second branch pipe 5 are symmetrically arranged along the axis of the cylinder 1; the buffer cylinder 17 is arranged on one side of the cylinder 1, and the buffer cylinder 17 is parallel to the cylinder 1, and the cylinder 1 and the buffer cylinder 17 are both cylindrical.

[0032] The technical effect achieved by this embodiment is: by adjusting the first one-way valve 10 and the second one-way valve 11 during use, the compression damping force and the extension damping force of the entire damping shock absorber can be adjusted, and the damping force can be flexibly adjusted according to actual use requirements to meet a variety of different use requirements.

[0033] Example 2

[0034] like Figures 1 to 4 As shown, this embodiment provides another adjustable damping shock absorber, the structure of which includes all the contents of embodiment 1, and only the different parts are described below.

[0035] In this embodiment, an oil storage chamber is left above the first oil inlet 6 and the second oil outlet 8, and a throttle hole 16 is provided on the piston body 3, and the throttle hole 16 passes through the piston body 3 along the axis of the piston body 3; because the piston body 3 is located above the first oil inlet 6 and the second oil outlet 8, the oil in the oil storage chamber can only be discharged through the throttle hole 16 on the piston body 3, or the oil can be added to the oil storage chamber, and the resistance to the piston is increased at this time; therefore, during use, the damping force when the piston body 3 is located above the first oil inlet 6 and the second oil outlet 8 is greater than the damping force when the piston body 3 is located below the first oil inlet 6 and the second oil outlet 8; the damping force of the piston body 3 is different at different positions, and a better use effect can be obtained.

[0036] Specifically, such as Figure 1 andFigure 2 As shown in Figure 1 The damping force in the state is less than Figure 2 The damping force in the state is less than Figure 3 And Figure 4 As shown in Figure 3 The damping force in the state is greater than Figure 4 The damping force in the state is greater than

[0037] In this embodiment, it should be noted that the number of throttle holes 16 is multiple, and the multiple throttle holes 16 are respectively arranged in pairs along the axis of the piston body 3, which can effectively guarantee the force balance of the piston body 3, thereby guaranteeing the smooth movement of the piston body 3 during use.

[0038] Embodiment 3

[0039] As shown in Figures 1 to 4 Another adjustable damper provided in this embodiment has the structure including all the contents of embodiment 1, and only different parts will be described below.

[0040] In this embodiment, the top end of the cylinder body 1 is provided with a first connecting seat 12, and the first connecting seat 12 is provided with a first connecting hole 14.

[0041] The end of the piston rod 2 away from the piston body 3 is provided with a second connecting seat 13, and the second connecting seat 13 is provided with a second connecting hole 15, and the first connecting hole 14 and the second connecting hole 15 are both circular holes.

[0042] In this embodiment, it should be noted that the first connecting seat 12 and the second connecting seat 13 are respectively threadedly connected with the cylinder body 1 and the piston rod 2, which facilitates disassembly and installation.

[0043] The technical effect achieved by this embodiment is that the first connecting seat 12 and the second connecting seat 13 can quickly install or disassemble the entire damper.

[0044] Although the utility model has been described in detail above by general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of protection required by the utility model.

[0045] The terms such as "up", "down", "left", "right", "middle" and the like in this specification are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model without substantial change of the technical content.

Claims

1. An adjustable damper shock absorber characterized by, The cylinder (1), the piston rod (2), the piston body (3), the first branch pipe (4), the second branch pipe (5) and the buffer cylinder (17), the piston body (3) is slidably arranged in the cylinder (1), one end of the piston rod (2) is connected with the piston body (3), the other end of the piston rod (2) extends to the bottom end outside of the cylinder (1); The first oil inlet (6), the first oil outlet (7), the second oil inlet (9) and the second oil outlet (8) are arranged on the cylinder (1), the first oil inlet (6) and the first oil outlet (7) are sequentially arranged along the length direction of the cylinder (1), the second oil inlet (9) and the second oil outlet (8) are respectively arranged along the length direction of the cylinder (1), the first oil inlet (6) and the second oil outlet (8) are arranged at the position close to the top end of the cylinder (1), the first oil outlet (7) and the second oil inlet (9) are arranged at the position close to the bottom end of the cylinder (1); The two ends of the first branch pipe (4) are respectively connected with the first oil inlet (6) and the first oil outlet (7), the two ends of the second branch pipe (5) are respectively connected with the second oil inlet (9) and the second oil outlet (8), the first one-way valve (10) and the second one-way valve (11) are respectively arranged on the first branch pipe (4) and the second branch pipe (5), the first one-way valve (10) and the second one-way valve (11) are adjustable one-way valves. The buffer cylinder (17) is in communication with the bottom end of the cylinder (1).

2. A damper according to claim 1, wherein The first branch pipe (4) and the second branch pipe (5) are respectively arranged on the two sides of the cylinder (1).

3. A damper according to claim 1, wherein The buffer cylinder (17) is arranged on one side of the cylinder (1), and the buffer cylinder (17) and the cylinder (1) are parallel to each other.

4. A damper according to claim 1, wherein The throttle hole (16) is arranged on the piston body (3), and the throttle hole (16) penetrates the piston body (3) along the axis of the piston body (3).

5. A damper according to claim 4, wherein the piston is formed with a plurality of circumferentially spaced apart recesses, each recess being formed with a circumferentially extending slot. The number of the throttle holes (16) is multiple, and the multiple throttle holes (16) are arranged in pairs and symmetrically with respect to each other along the axis of the piston body (3).

6. A damper according to claim 1, wherein The top end of the cylinder (1) is provided with a first connecting seat (12), and the first connecting seat (12) is provided with a first connecting hole (14); The end of the piston rod (2) away from the piston body (3) is provided with a second connecting seat (13), and the second connecting seat (13) is provided with a second connecting hole (15).

7. A damper according to claim 6, wherein The first connecting seat (12) and the second connecting seat (13) are respectively threadedly connected with the cylinder (1) and the piston rod (2).

8. A damper according to claim 1, wherein The cylinder (1) and the buffer cylinder (17) are both cylindrical.

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