A built-in oil-gas isolation device shock absorber

Abstract

The present invention discloses a built-in oil-gas isolation device shock absorber, a built-in oil-gas isolation device shock absorber, comprising a first box body, a first piston, hydraulic oil and hydraulic gas, the first box body is connected to the second box body through a circulation groove, a transmission threaded column is welded at the central axis of the horizontal plane of the inner surface wall of the first box body through a buckle, an end panel is clamped inside the second piston, and a speed reduction plate is welded at the bottom of the end panel, a rotating roller is welded at the bottom of the speed reduction plate, hydraulic gas is arranged at the top of the inner cavity of the first box body, and hydraulic oil is arranged at the bottom of the first box body. In the present invention, the first compression spring and the second compression spring are respectively fitted with the transmission roller to push the transmission roller to convert the external kinetic energy into the kinetic energy of the hydraulic oil, which not only reduces heat dissipation, but also reduces bumps caused by multiple rebounds in complex terrain. The overall structure is simple and effective, and has broad development prospects in the future.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical shock absorption, and in particular relates to a built-in oil-gas isolation device shock absorber. Background Art

[0002] Shock absorbers are used to suppress the shock caused by the rebound of springs after absorbing shock and the impact from the road surface. They are widely used in automobiles to accelerate the attenuation of frame and body vibrations to improve the driving smoothness of the car. When passing through uneven roads, although the shock-absorbing spring can filter the vibration of the road, the spring itself will still have reciprocating motion, and the shock absorber is used to suppress this spring jumping.

[0003] Existing shock absorbers are widely used in various fields. However, the following problems arise during use. First, there is oil and gas mixing in the existing shock absorbers, which causes the gas to dissolve into the liquid to a certain extent, thereby causing the shock absorbers to gradually fail. Second, the existing shock absorbers convert external kinetic energy into thermal energy, and long-term use will cause failure due to excessive heat. Finally, in complex terrain, the shock absorbers will repeatedly obtain kinetic energy in the opposite direction, requiring multiple shock absorptions to offset the shock absorbers. Summary of the invention

[0004] The purpose of the present invention is to provide a shock absorber with a built-in oil-gas isolation device in order to solve the problems of failure of existing shock absorbers due to mixed dissolution of oil and gas in the same cavity, overheating caused by conversion of kinetic energy into heat energy, and multiple shock absorption in complex terrain.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A shock absorber with a built-in oil-gas isolation device comprises a first box body, a first piston, hydraulic oil and hydraulic gas, the first box body is connected to a second box body through a circulation groove, a transmission threaded column is welded at the central axis of the horizontal plane of the inner surface wall of the first box body through a buckle, a second piston is slidably connected to the inner surface wall of the first box body, and the central axis of the horizontal plane of the second piston is meshed with the transmission threaded column through a tooth groove, a cavity is opened inside the second piston, and a gear plate is welded on the inner surface wall of the cavity, the gear plate is slidably connected to the transmission threaded column, a second transmission rod is welded on the outer wall of the gear plate, a first compression spring is welded at one end of the second transmission rod, and a second compression spring is welded at the other end, an end panel is clamped inside the second piston, and a reduction plate is welded at the bottom of the end panel, a rotating roller is welded at the bottom of the reduction plate, hydraulic gas is arranged at the top of the inner cavity of the first box body, and hydraulic oil is arranged at the bottom of the first box body.

[0007] One end of the hydraulic oil is located at the bottom of the first piston in the inner cavity of the second box body, and the other end is located at the bottom of the second piston in the inner cavity of the first box body, and the rest of the hydraulic oil is located in the inner cavity of the circulation groove.

[0008] There are two end panels in total, one of which is slidably embedded with the second piston, and the other is slidably embedded with the transmission threaded column, and the two end panels are welded by rotating rollers.

[0009] Wherein, a first compression spring and a second compression spring are welded at both ends of the second transmission rod, wherein the first compression spring is in contact with the rotating roller.

[0010] The first box body is square in shape, and a second piston is slidably connected to the inner surface wall of the first box body.

[0011] The second box body is square in shape, and a first piston is slidably connected to the inner surface wall of the second box body.

[0012] Wherein, the second piston is an oil-gas separation piston, the top of the second piston is set to hydraulic gas, and the bottom is set to hydraulic oil.

[0013] The top of the first transmission rod passes through the second box body, and the first transmission rod is slidably embedded in the second box body.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0015] 1. In the present invention, the second piston separates the hydraulic oil from the hydraulic gas, and the hydraulic gas is arranged on the top of the hydraulic oil, which is beneficial to the stability of oil-liquid separation. The gravity of the hydraulic gas is relatively small, which prevents the hydraulic oil from penetrating downward and causing leakage. The gas-liquid separation prevents the hydraulic gas from dissolving into the dissolving oil, which reduces the hydraulic oil dissolving the hydraulic gas during intense exercise, thereby reducing the shock absorption effect.

[0016] 2. In the present invention, the first transmission rod moves toward the bottom under the thrust, pushing the first piston to move toward the bottom, and then pushing the second piston to move toward the top through the hydraulic oil, so that the transmission threaded column engages with the tooth groove on the second piston, driving the gear plate to rotate, and then the first compression spring pushes the rotating roller to rotate, and the transmission roller rotates inside the hydraulic oil, thereby converting external kinetic energy into kinetic energy of the hydraulic oil to obtain deceleration.

[0017] 3. In the present invention, when encountering complex terrain, when the first transmission rod moves toward the bottom, the first compression spring fits the rotating roller, pushing the rotating roller to move inside the hydraulic oil, so that the external kinetic energy is converted into the kinetic energy of the hydraulic oil; when the first transmission rod rebounds and moves toward the top, the second compression spring fits the rotating roller, pushing the rotating roller to move inside the hydraulic oil, so that the external kinetic energy is converted into the kinetic energy of the hydraulic oil, thereby achieving a good shock absorption effect in complex terrain. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the BB cross-section structure in the present invention;

[0020] Figure 3 It is a schematic diagram of the AA cross-section structure in the present invention.

[0021] Markings in the figure: 1. first housing; 2. transmission threaded column; 3. second housing; 4. first transmission rod; 5. first piston; 6. hydraulic oil; 7. circulation groove; 8. end panel; 9. rotating roller; 10. tooth groove; 11. second piston; 12. cavity; 13. hydraulic gas; 14. second transmission rod; 15. first compression spring; 16. second compression spring; 17. reduction plate; 18. gear plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Reference Figure 1-3A built-in oil-gas isolation device shock absorber includes a first box body 1, a first piston 5, hydraulic oil 6 and hydraulic gas 13. The first box body 1 is connected to the second box body 3 through a flow groove 7. A transmission thread column 2 is welded at the center axis of the horizontal surface of the inner surface wall of the first box body 1 through a buckle. A second piston 11 is slidably connected to the inner surface wall of the first box body 1, and the center axis of the horizontal surface of the second piston 11 is meshed with the transmission thread column 2 through a tooth groove 10. A cavity 12 is opened inside the second piston 11, and a tooth groove 10 is welded on the inner surface wall of the cavity 12. The wheel plate 18 and the gear plate 18 are slidably connected with the transmission threaded column 2. A second transmission rod 14 is welded on the outer wall of the gear plate 18. A first compression spring 15 is welded at one end of the second transmission rod 14, and a second compression spring 16 is welded at the other end. An end panel 8 is clamped inside the second piston 11, and a reduction plate 17 is welded at the bottom of the end panel 8. A rotating roller 9 is welded at the bottom of the reduction plate 17. Hydraulic gas 13 is arranged at the top of the inner cavity of the first box body 1, and hydraulic oil 6 is arranged at the bottom of the first box body 1. The end panel 8 is slidably connected with the transmission threaded column 2.

[0025] Furthermore, one end of the hydraulic oil 6 is located at the bottom of the first piston 5 in the inner cavity of the second box body 3, and the other end is located at the bottom of the second piston 11 in the inner cavity of the first box body 1, and the remaining hydraulic oil 6 is located in the inner cavity of the circulation groove 7, so that the kinetic energy of the first transmission rod 4 is transferred to the second piston 11 through the first piston 5.

[0026] Furthermore, two end panels 8 are provided, one of which is slidably fitted with the second piston 11 , and the other end panel 8 is slidably fitted with the transmission threaded column 2 . The two end panels 8 are welded via a rotating roller 9 , so that the rotating roller 9 is pushed by the second piston 11 .

[0027] Furthermore, a first compression spring 15 and a second compression spring 16 are welded to both ends of the second transmission rod 14 , wherein the first compression spring 15 is in contact with the rotating roller 9 , so that the rotating roller 9 is pushed to rotate by the first compression spring 15 .

[0028] Furthermore, the first box body 1 is in a square shape, and a second piston 11 is slidably connected to an inner surface wall of the first box body 1 , so that the second piston 11 slides on the inner surface wall of the first box body 1 .

[0029] Furthermore, the second box body 3 is in a square shape, and the first piston 5 is slidably connected to the inner surface wall of the second box body 3 so that the first piston 5 slides on the inner surface wall of the second box body 3 .

[0030] Furthermore, the second piston 11 is an oil-gas separation piston, the top of the second piston 11 is set to be hydraulic gas 13, and the bottom is set to be hydraulic oil 6, so as to separate the oil and gas to avoid interference.

[0031] Furthermore, the top of the first transmission rod 4 passes through the second box body 3 , and the first transmission rod 4 is slidably fitted into the second box body 3 , so that the first transmission rod 4 pushes the first piston 5 inside the second box body 3 .

[0032] Working principle: First, the second piston 11 separates the hydraulic oil 6 from the hydraulic gas 13, and the hydraulic gas 13 is set on the top of the hydraulic oil 6, which is beneficial to the stability of the oil-liquid separation. The gravity of the hydraulic gas 13 is relatively small, which prevents the hydraulic oil 6 from penetrating downward and causing leakage, and the gas-liquid separation prevents the hydraulic gas 13 from dissolving into the hydraulic oil 6, reducing the hydraulic oil 6 dissolving the hydraulic gas 13 during intense exercise, thereby reducing the shock absorption effect; secondly, the first transmission rod 4 is pushed to the bottom, pushing the first piston 5 to the bottom, and then pushing the second piston 11 to the top through the hydraulic oil 6, thereby connecting the transmission threaded column 2 and the second piston The tooth grooves 10 on 11 are meshed, driving the gear plate 18 to rotate, and then the rotating roller 9 is pushed to rotate through the first compression spring 15, and the rotating roller 9 rotates inside the hydraulic oil 6; finally, when encountering complex terrain, the first transmission rod 4 moves toward the bottom so that the first compression spring 15 fits the rotating roller 9, pushing the rotating roller 9 to move inside the hydraulic oil 6, so that the external kinetic energy is converted into the kinetic energy of the hydraulic oil 6, and the first transmission rod 4 rebounds and moves toward the top so that the second compression spring 16 fits the rotating roller 9, pushing the rotating roller 9 to move inside the hydraulic oil 6, so that the external kinetic energy is converted into the kinetic energy of the hydraulic oil 6, thereby achieving a good shock absorption effect in complex terrain.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shock absorber with a built-in oil-gas isolation device, comprising a first housing (1), a first piston (5), hydraulic oil (6) and hydraulic gas (13), characterized in that: The first housing (1) is connected to the second housing (3) via a circulation groove (7); a transmission threaded column (2) is welded to the center axis of the horizontal plane of the inner surface wall of the first housing (1) via a buckle; a second piston (11) is slidably connected to the inner surface wall of the first housing (1); a tooth groove (10) is provided at the center axis of the horizontal plane of the second piston (11) to mesh with the transmission threaded column (2); a cavity (12) is provided inside the second piston (11); a gear plate (18) is welded to the inner surface wall of the cavity (12); the gear plate (18) is connected to the transmission threaded column (2) via a tooth groove (10) provided at the center axis of the horizontal plane of the second piston (1 ... The second piston (11) is slidably connected to the column (2); a second transmission rod (14) is welded on the outer wall of the gear plate (18); a first compression spring (15) is welded on one end of the second transmission rod (14); a second compression spring (16) is welded on the other end; an end panel (8) is clamped inside the second piston (11); a reduction plate (17) is welded on the bottom of the end panel (8); a rotating roller (9) is welded on the bottom of the reduction plate (17); hydraulic gas (13) is arranged on the top of the inner cavity of the first housing (1); and hydraulic oil (6) is arranged on the bottom of the first housing (1); One end of the hydraulic oil (6) is located at the bottom of the first piston (5) in the inner cavity of the second housing (3), and the other end is located at the bottom of the second piston (11) in the inner cavity of the first housing (1), and the rest of the hydraulic oil (6) is located in the inner cavity of the circulation groove (7); There are two end panels (8) in total, one of which is slidably fitted with the second piston (11), and the other of which is slidably fitted with the transmission threaded column (2), and the two end panels (8) are welded via a rotating roller (9); A first compression spring (15) and a second compression spring (16) are respectively welded to both ends of the second transmission rod (14), wherein the first compression spring (15) is in contact with the rotating roller (9); The first box body (1) is square in shape, and a second piston (11) is slidably connected to the inner wall of the first box body (1); The second box body (3) is square in shape, and a first piston (5) is slidably connected to the inner surface wall of the second box body (3); The second piston (11) is an oil-gas separation piston, the top of the second piston (11) is provided with hydraulic gas (13), and the bottom is provided with hydraulic oil (6); The top of the first transmission rod (4) passes through the second box body (3), and the first transmission rod (4) and the second box body (3) are slidably embedded.

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