Piston rod for air suspension magnetic variation shock absorber

Abstract

The piston rod comprises a sleeve, a first damping groove is formed in the inner side of the sleeve, first oil liquid is arranged on the inner side of the first damping groove, a movable groove is formed in the surface of the upper side of the sleeve, and a first piston rod is movably connected to the inner side of the movable groove. According to the shock absorption device, the first buffer spring is arranged and can be matched with first oil liquid to further buffer impact brought by movement of the first piston, then vibration is consumed through movement of the first solid rod on the inner side of the first hollow rod, and the shock absorption performance of the device is improved; when the shock absorber is used, impact is firstly transmitted to a second hollow rod, so that a second piston moves, a second buffer spring is pushed through the second piston, shock is further buffered through the second buffer spring, the buffer performance of the device is improved, and the problem that the shock absorber is poor in shock absorption performance is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston rods, in particular to a piston rod used for an air-suspended magnetic variable shock absorber. Background Art

[0002] In order to improve the driving comfort of the car, the elastic elements in the car suspension are installed in parallel with shock absorbers to attenuate vibrations.

[0003] When the car encounters extreme bumps and tilts, the shock absorber spring is greatly compressed, and the oil flow cannot completely convert the elastic potential energy into the heat energy of the oil. The spring vibrates repeatedly, and the vehicle bounces continuously, which cannot ensure stability and ride comfort, making the shock absorber's shock absorption performance worse. Therefore, it is necessary to design and modify the piston rod of the air-suspension magnetic variable shock absorber to solve the problem of poor shock absorption of the shock absorber. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a piston rod for an air-suspended magnetic variable shock absorber.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a piston rod for an air-suspended magnetic variable shock absorber comprises a sleeve, a first shock-absorbing groove is provided on the inner side of the sleeve, a first oil is arranged on the inner side of the first shock-absorbing groove, a movable groove is provided on the upper side surface of the sleeve, a first piston rod is movably connected to the inner side of the movable groove, a first piston is fixedly connected to the lower side of the first piston rod, a first solid rod is fixedly connected to the upper side of the first piston, a first hollow rod is movably connected to the outer side of the first solid rod, the first hollow rod and the first shock-absorbing groove are fixedly connected, a first buffer spring is movably connected to the outer side of the first piston rod, the first shock-absorbing groove and the first piston are both fixedly connected to the first buffer spring, a second shock-absorbing groove is provided on the inner side of the first piston rod, a second oil is arranged on the inner side of the second shock-absorbing groove, a second hollow rod is fixedly connected to the inner side of the second shock-absorbing groove, a second solid rod is movably connected to the inner side of the second hollow rod, a second piston is fixedly connected to the lower side of the second solid rod, and a second buffer spring is fixedly connected to the lower side of the second piston.

[0006] As a preferred embodiment of the present invention, a first infusion groove is formed on the upper surface of the sleeve, and a second infusion groove is formed on the upper surface of the first piston rod.

[0007] As a preferred embodiment of the present invention, plugs are threadedly connected to the inner sides of the first infusion trough and the second infusion trough.

[0008] As a preferred embodiment of the present invention, a connecting block is fixedly connected to the upper side of the first piston rod.

[0009] As a preferred embodiment of the present invention, a connection groove is provided on the surface of the connection block.

[0010] As a preferred embodiment of the present invention, buffer pads are fixedly connected to the upper and lower sides of the first piston and the upper and lower sides of the second piston.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model sets a first buffer spring so that it can cooperate with the first oil to further buffer the impact brought by the activity of the first piston, and then consumes the vibration through the movement of the first solid rod inside the first hollow rod, thereby improving the shock absorption performance of the device. By setting a second piston, when the first piston rod is impacted, the impact will be transmitted to the second hollow rod first, so that the second piston moves, and the second buffer spring is pushed by the second piston, and the vibration is further buffered by the second buffer spring, which improves the buffering performance of the device and solves the problem of poor shock absorption of the shock absorber.

[0013] 2. The utility model provides the first infusion tank and the second infusion tank, so that the first oil and the second oil can be replaced, which improves the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the front view of the structure of the utility model;

[0015] Figure 2 This is a rear view of the structure of the utility model;

[0016] Figure 3 It is a top view of the structure of the utility model.

[0017] In the figure: 1, sleeve; 2, first shock-absorbing groove; 3, first oil; 4, movable groove; 5, first piston rod; 6, first piston; 7, first solid rod; 8, first hollow rod; 9, second shock-absorbing groove; 10, second oil; 11, second hollow rod; 12, second solid rod; 13, second piston; 14, second buffer spring; 15, first infusion groove; 16, second infusion groove; 17, plug; 18, connecting block; 19, connecting groove; 20, buffer pad; 21, first buffer spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] like Figures 1 to 3As shown, the piston rod for an air-suspended magnetic variable shock absorber provided by the utility model comprises a sleeve 1, a first shock-absorbing groove 2 is provided inside the sleeve 1, a first oil 3 is arranged inside the first shock-absorbing groove 2, a movable groove 4 is provided on the upper surface of the sleeve 1, a first piston rod 5 is movably connected inside the movable groove 4, a first piston 6 is fixedly connected to the lower side of the first piston rod 5, a first solid rod 7 is fixedly connected to the upper side of the first piston 6, a first hollow rod 8 is movably connected to the outer side of the first solid rod 7, and the first hollow rod 8 is fixedly connected to the first shock-absorbing groove 2 A first buffer spring 21 is movably connected to the outside of the first piston rod 5, the first shock-absorbing groove 2 and the first piston 6 are fixedly connected to the first buffer spring 21, a second shock-absorbing groove 9 is opened on the inside of the first piston rod 5, a second oil 10 is arranged on the inside of the second shock-absorbing groove 9, a second hollow rod 11 is fixedly connected to the inside of the second shock-absorbing groove 9, a second solid rod 12 is movably connected to the inside of the second hollow rod 11, a second piston 13 is fixedly connected to the lower side of the second solid rod 12, and a second buffer spring 14 is fixedly connected to the lower side of the second piston 13.

[0020] refer to Figure 3 A first infusion groove 15 is provided on the upper surface of the sleeve 1 , and a second infusion groove 16 is provided on the upper surface of the first piston rod 5 .

[0021] As a technical optimization solution of the present invention, by providing the first infusion tank 15 and the second infusion tank 16, the first oil 3 and the second oil 10 can be replaced, thereby improving the convenience of using the device.

[0022] refer to Figure 3 The first infusion tank 15 and the second infusion tank 16 are both threadedly connected with plugs 17 on their inner sides.

[0023] As a technical optimization solution of the utility model, the first infusion groove 15 and the second infusion groove 16 can be blocked by setting the plug 17 to prevent the first oil 3 and the second oil 10 from leaking out, thereby improving the stability of the device.

[0024] refer to Figure 3 A connecting block 18 is fixedly connected to the upper side of the first piston rod 5 .

[0025] As a technical optimization solution of the present invention, the connection block 18 is provided to facilitate the connection of the device, thereby improving the convenience of the connection of the device.

[0026] refer to Figure 3 A connecting groove 19 is formed on the surface of the connecting block 18 .

[0027] As a technical optimization solution of the present invention, the connection groove 19 is provided to facilitate the connection of the connection block 18 to the installation location, thereby improving the convenience of device connection.

[0028] refer to Figure 1 Buffer pads 20 are fixedly connected to the upper and lower sides of the first piston 6 and the upper and lower sides of the second piston 13.

[0029] As a technical optimization solution of the present invention, by providing the buffer pad 20, when the first piston 6 and the second piston 13 move to the maximum position, the vibration can be further offset by the buffer pad 20, thereby improving the shock absorption of the device.

[0030] The working principle and use process of the utility model are as follows: when vibration occurs, the vibration impacts the first piston rod 5, so that the vibration is transmitted to the second hollow rod 11 through the first piston rod 5, and then to the second solid rod 12 through the second hollow rod 11, so that the second solid rod 12 moves, and the second piston 13 is pushed by the second solid rod 12, and the second oil 10 and the second buffer spring 14 are pushed by the second piston 13, and the vibration is buffered by the second oil 10 and the second buffer spring 14. At the same time, the vibration pushes the first piston rod 5 to move, and the first piston 6 is pushed to move by the first piston rod 5, and the first buffer spring 21 is pulled by the first piston 6, and the first oil 3 is pushed, so that the vibration can be further offset by the first oil 3 and the first buffer spring 21.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A piston rod for an air-suspended magnetic variable shock absorber, comprising a sleeve (1), characterized in that: A first damping groove (2) is provided inside the sleeve (1), a first oil (3) is arranged inside the first damping groove (2), a movable groove (4) is provided on the upper surface of the sleeve (1), a first piston rod (5) is movably connected inside the movable groove (4), a first piston (6) is fixedly connected to the lower side of the first piston rod (5), a first solid rod (7) is fixedly connected to the upper side of the first piston (6), a first hollow rod (8) is movably connected to the outer side of the first solid rod (7), the first hollow rod (8) is fixedly connected to the first damping groove (2), and the outer side of the first piston rod (5) is movably connected to the first piston rod (6). A first buffer spring (21) is provided, the first damping groove (2) and the first piston (6) are both fixedly connected to the first buffer spring (21), a second damping groove (9) is provided inside the first piston rod (5), a second oil (10) is provided inside the second damping groove (9), a second hollow rod (11) is fixedly connected inside the second damping groove (9), a second solid rod (12) is movably connected inside the second hollow rod (11), a second piston (13) is fixedly connected to the lower side of the second solid rod (12), and a second buffer spring (14) is fixedly connected to the lower side of the second piston (13).

2. The piston rod for an air-suspended magnetic variable shock absorber according to claim 1, characterized in that: The upper surface of the sleeve (1) is provided with a first infusion groove (15), and the upper surface of the first piston rod (5) is provided with a second infusion groove (16).

3. The piston rod for an air-suspended magnetic variable shock absorber according to claim 2, characterized in that: The inner sides of the first infusion trough (15) and the second infusion trough (16) are both threadedly connected with plugs (17).

4. The piston rod for an air-suspended magnetic variable shock absorber according to claim 1, characterized in that: A connecting block (18) is fixedly connected to the upper side of the first piston rod (5).

5. The piston rod for an air-suspended magnetic variable shock absorber according to claim 4, characterized in that: A connection groove (19) is provided on the surface of the connection block (18).

6. The piston rod for an air-suspended magnetic variable shock absorber according to claim 1, characterized in that: Buffer pads (20) are fixedly connected to the upper and lower sides of the first piston (6) and the upper and lower sides of the second piston (13).

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