Oil drainage hole type shock absorber with adjustable side damping

Abstract

The utility model relates to an oil drainage hole type shock absorber with adjustable side damping, which comprises an oil storage cylinder, a gland and a cylinder bottom are respectively mounted at two ends of the oil storage cylinder, a lifting ring is fixed on the surface of the cylinder bottom, a damping sleeve is mounted in the lifting ring, a working cylinder is mounted in the oil storage cylinder, a piston is arranged in the working cylinder, and the piston extends into the oil storage cylinder. A guider is installed at one end of the oil storage cylinder, an inclined hole is formed in the guider, a piston penetrates through the guider, and an oil guide pipe is installed on the inner side of the oil storage cylinder and arranged along the inner surface of the oil storage cylinder. According to the utility model, the damping value can be regulated and controlled, when the gear knob is rotated, the ball can fall into the ball groove of the regulating valve seat gear by gear, so that gear shifting is realized, the oil flow needs to be controlled, each gear corresponds to different oil drainage hole positions on the regulating valve core, the oil flow is controlled by controlling the positions of the oil drainage holes, and the oil flow is controlled by controlling the positions of the oil drainage holes. The damping force value of the shock absorber can be more controllable, and more use scenes can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of shock absorber, concretely to an oil leakage hole type side damping adjustable shock absorber. BACKGROUND

[0002] In the process of automobile driving, in order to make the vibration of the frame and the body decay rapidly, so as to improve the smoothness and comfort of automobile driving, so the automobile suspension system is generally provided with a shock absorber. In the process of daily driving, the automobile should be equipped with a suitable shock absorber according to the different road conditions, which can not only greatly improve the comfort of driving, but also effectively improve the service life of the shock absorber. The cylinder type shock absorber is deeply loved by the majority of customers due to its simple structure, simple processing and manufacturing, and high cost performance. Generally, the cylinder type shock absorber is internally combined with a restoring valve system and a compression valve system. When the piston valve moves to the left, the oil in the working cylinder at the left end of the piston valve passes through the restoring valve system, and at this time, the restoring valve plate is deformed to generate damping force value. When the piston valve moves to the right, the oil in the working cylinder at the right end of the piston valve passes through the compression valve system, and at this time, the compression valve plate is deformed to generate damping force value. But this structure has certain limitations, the valve system damping force value is single, and it is difficult to adapt to different road conditions, thereby greatly affecting the comfort of riding.

[0003] In order to solve the technical problem of single valve system damping value in the prior art, we propose an oil leakage type side damping adjustable shock absorber which can adjust the damping value. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the defects of the prior art, adapting to the actual needs, and providing an oil leakage hole type side damping adjustable shock absorber to solve the technical problem of single valve system damping value in the prior art.

[0005] In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that an oil leakage hole type side damping adjustable shock absorber is designed, which comprises an oil storage cylinder, the two ends of the oil storage cylinder are respectively provided with a gland and a cylinder bottom, the surface of the cylinder bottom is fixedly provided with a lifting ring, the inside of the lifting ring is provided with a shock absorbing sleeve, the inside of the oil storage cylinder is provided with a working cylinder, the inside of the working cylinder is provided with a piston, the piston extends into the oil storage cylinder, one end of the oil storage cylinder is provided with a guide, the guide is provided with an inclined hole, the piston penetrates through the inside of the guide, the inside of the oil storage cylinder is provided with an oil guide pipe, the oil guide pipe is arranged along the inner surface of the oil storage cylinder, and the top end of the oil storage cylinder is provided with an adjusting device.

[0006] Preferably, the piston comprises a piston rod, a buffer pad, a limiting ring, a piston valve assembly and a compression valve assembly.

[0007] Preferably, the piston rod is located in the oil storage cylinder, a buffer pad is mounted outside the piston rod in the oil storage cylinder, a limit ring is mounted at one end of the buffer pad, the piston rod penetrates through the limit ring, a piston valve assembly is mounted at one end of the piston rod, and a compression valve assembly is mounted at the end of the piston valve assembly away from the piston rod.

[0008] Preferably, the guide includes a first O-shaped sealing ring, an oil seal, a guide drill plug and a gland.

[0009] Preferably, the first O-shaped sealing ring is mounted at one end inside the oil storage cylinder, a guide drill plug is mounted at one end of the first O-shaped sealing ring, an oil seal is mounted at one end of the guide drill plug, and the piston rod penetrates through the oil seal and the gland.

[0010] Preferably, the adjusting device includes an adjusting valve seat, an adjusting cavity is arranged in the adjusting valve seat, an adjusting valve core is arranged in the adjusting valve seat, a threaded cover plate is arranged outside the adjusting valve core, a bolt is arranged at the top end of the adjusting valve core, a cap is fixed to the top of the bolt, a gear knob is arranged outside the cap, an elastic component is arranged between the adjusting device and the oil storage cylinder, an oil blocking plug head is mounted at the bottom end inside the adjusting valve core, the main oil leakage position of the adjusting valve core is an oil leakage hole with different sizes at the bottom, and a second O-shaped sealing ring is arranged at the bottom end of the outer wall of the adjusting valve core.

[0011] Preferably, the elastic component is a spring piece, and a flat washer is arranged at the lower end of the spring piece.

[0012] Preferably, a sealing component is arranged at the lower end of the flat washer, and the sealing component is a third O-shaped sealing ring.

[0013] Preferably, a ball groove is arranged in the adjusting valve seat, and balls are arranged in the ball groove, so that the balls fall into the ball groove of the adjusting valve seat by gear when the gear knob is rotated, thereby achieving gear shifting.

[0014] Preferably, the oil guide pipe in the oil storage cylinder and the adjusting device are in communication with each other, and a branch oil pipe is arranged at the lower side of the oil guide pipe, and the branch oil pipe and the adjusting device are in communication with each other.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model can control the damping value, the balls fall into the ball groove of the adjusting valve seat by gear when the gear knob is rotated, thereby achieving gear shifting, the oil flow needs to be controlled, different oil leakage hole positions are arranged on the adjusting valve core for each gear, the oil flow is controlled by controlling the position of the oil leakage hole, the damping force value of the shock absorber is more controllable, and more use scenarios are met.

[0017] 2. The utility model discloses through increasing the threaded cover plate, and the cover plate is screwed down and can press down the lower plate, and the installation is convenient, does not need to rely on the machine, and does not need the turnover process. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0020] Figure 3 It is the working structure schematic diagram of the utility model;

[0021] Figure 4 It is the A place enlarged structure schematic diagram of the utility model;

[0022] Figure 5 It is the oil drain hole structure schematic diagram of the utility model.

[0023] In the drawing: 1, oil storage cylinder;2, working cylinder;3, gland;4, oil seal;5, guider drill hole plug;6, first O-shaped sealing ring;7, oil guide pipe;8, piston rod;9, buffer pad;10, limit ring;11, piston valve assembly;12, compression valve assembly;13, cylinder bottom;14, lifting ring;15, shock absorbing sleeve;16, oil baffle head;17, third O-shaped sealing ring;18, adjusting valve core;19, ball;20, flat washer;21, adjusting valve seat;22, elastic sheet;23, second O-shaped sealing ring;24, threaded cover plate;25, gear knob;26, bolt;27, cap;28, oil drain hole. DETAILED DESCRIPTION

[0024] The utility model is further explained in connection with the drawings and examples:

[0025] Example 1: a kind of oil drain hole type side edge damping adjustable shock absorber, referring to Figures 1 to 5, including the oil tank 1, the oil tank 1 both ends are respectively installed with gland 3 and cylinder bottom 13, cylinder bottom 13 surface fixed with lifting ring 14, lifting ring 14 inside installation has shock absorbing sleeve 15, oil tank 1 inside installation has working cylinder 2, working cylinder 2 inside setting has piston, piston extends into oil tank 1, oil tank 1 one end is installed with guider, guider inside is equipped with inclined hole, guider inside is penetrated with piston, the inside of the oil tank 1 is installed with oil guide pipe 7, the oil guide pipe 7 is arranged along the inner surface of the oil tank 1, the top end of the oil tank 1 is provided with an adjusting device, which can control the damping value, when rotating the gear knob 25, the ball 19 will fall into the ball groove of the adjusting valve seat 21, so as to realize gear shifting, the oil flow needs to be controlled, each gear corresponds to different oil drain hole 28 position on adjusting valve core 18, by controlling the position of the oil drain hole 28 to control the oil flow, the damping force value of the shock absorber can be more controllable, to meet more use scenarios.

[0026] Specifically, referring to Figure 1 , the piston includes a piston rod 8, a buffer pad 9, a limiting ring 10, a piston valve assembly 11 and a compression valve assembly 12.

[0027] More specifically, referring to Figure 1 , the piston rod 8 is located in the oil tank 1, the piston rod 8 located in the oil tank 1 outside installation has buffer pad 9, buffer pad 9 one end is installed with limiting ring 10, limiting ring 10 inside is penetrated with piston rod 8, piston rod 8 one end is installed with piston valve assembly 11, piston valve assembly 11 away from the one end of piston rod 8 is installed with compression valve assembly 12.

[0028] Further, referring to Figure 1 , the guider includes a first O-shaped sealing ring 6, an oil seal 4, a guider drilling plug 5 and a gland 3.

[0029] Still further, referring to Figure 1 , the first O-shaped sealing ring is installed at one end inside the oil tank 1, the first O-shaped sealing ring 6 one end is installed with guider drilling plug 5, guider drilling plug 5 one end is installed with oil seal 4, oil seal 4 and gland 3 inside are penetrated with piston rod 8.

[0030] It is worth mentioning that, referring to Figure 1 , Figure 4 and Figure 5The adjusting device comprises an adjusting valve seat 21, the inside of the adjusting valve seat 21 is provided with an adjusting cavity, the adjusting valve seat 21 is provided with an adjusting valve core 18, the outside of the adjusting valve core 18 is provided with a threaded cover plate 24, the top end of the adjusting valve core 18 is provided with a bolt 26, the top of the bolt 26 is fixed with a cap 27, the outside of the cap 27 is provided with a gear knob 25, the adjusting device and the oil storage cylinder 1 are provided with elastic components, the inside of the adjusting valve core 18 is provided with an oil blocking plug 16 at the bottom end, the main oil leakage position of the adjusting valve core 18 is an oil leakage hole 28 with different sizes at the bottom, the bottom end of the outer wall of the adjusting valve core 18 is provided with a second O-shaped sealing ring 23, the threaded cover plate 24 is increased, and the cover plate is screwed to press the lower plate, so that installation is convenient, and machines are not needed, and turnover processes are not needed.

[0031] It is worth noting that, referring to Figure 4 The elastic component is a spring 22, and the lower end of the spring 22 is provided with a flat gasket 20.

[0032] It is worth noting that, referring to Figure 4 The lower end of the flat gasket 20 is provided with a sealing component, and the sealing component is a third O-shaped sealing ring 17.

[0033] It is worth noting that, referring to Figure 4 The adjusting valve seat 21 is provided with a ball groove, and the inside of the ball groove is provided with a ball 19, when the gear knob 25 is rotated, the ball 19 falls into the ball groove of the adjusting valve seat 21 by steps, so that the gear knob 25 is replaced.

[0034] It is worth noting that, referring to Figure 1 And Figure 4 The oil guide pipe 7 in the oil storage cylinder 1 and the adjusting device are in communication with each other, and the lower side of the oil guide pipe 7 is provided with a branch oil pipe, and the branch oil pipe and the adjusting device are in communication with each other.

[0035] After being installed on the vehicle, in the working process of the shock absorber, the longest stretching process of the piston rod 8 is repeatedly repeated, and the shortest compression process of the piston rod 8 is repeatedly repeated, in the compression process of the piston rod 8, part of the oil in the working cylinder 2 enters the oil guide pipe 7, the oil leakage groove and the cavity of the oil storage cylinder 1 in sequence through the inclined hole in the guide, so that the compression / recovery force value is adjusted, at this time, the adjusting knob is rotated, the flow area in the oil leakage groove is changed, and the compression / recovery force value is changed accordingly.

[0036] In addition, the components designed in the utility model are general standard components or components known by those skilled in the art, the structure and principle of which can be known by technical personnel through a technical manual or through a conventional experimental method, and those skilled in the art can realize it without further description, and the content protected by the utility model does not involve improvement of the internal structure and method.

[0037] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. A bleed hole type side damping adjustable shock absorber, comprising an oil storage cylinder (1), the two ends of which are respectively provided with a gland (3) and a cylinder bottom (13), the surface of the cylinder bottom (13) is fixed with a lifting ring (14), and the inside of the lifting ring (14) is provided with a damping sleeve (15), characterized in that, The oil storage cylinder (1) is internally provided with a working cylinder (2), the working cylinder (2) is internally provided with a piston, the piston extends into the oil storage cylinder (1), one end of the oil storage cylinder (1) is provided with a guide, the guide is internally provided with an inclined hole, the guide is internally penetrated by the piston, the inner side of the oil storage cylinder (1) is provided with an oil guide pipe (7), the oil guide pipe (7) is arranged along the inner surface of the oil storage cylinder (1), and the top end of the oil storage cylinder (1) is provided with an adjusting device.

2. The bleed orifice side damping adjustable shock absorber of claim 1 wherein, The piston comprises a piston rod (8), a buffer pad (9), a limiting ring (10), a piston valve assembly (11) and a compression valve assembly (12).

3. The bleed orifice side damping adjustable shock absorber of claim 2, wherein, The piston rod (8) is located in the oil storage cylinder (1), the buffer pad (9) is externally mounted on the piston rod (8) located in the oil storage cylinder (1), one end of the buffer pad (9) is provided with the limiting ring (10), the limiting ring (10) is internally penetrated by the piston rod (8), one end of the piston rod (8) is provided with the piston valve assembly (11), and the piston valve assembly (11) is provided with the compression valve assembly (12) away from the piston rod (8).

4. The bleed orifice side damping adjustable shock absorber of claim 1 wherein, The guide comprises a first O-shaped sealing ring (6), an oil seal (4), a guide drilling plug (5) and a gland (3).

5. The bleed orifice side damping adjustable shock absorber of claim 4 wherein, The first O-shaped sealing ring (6) is mounted at one end of the inner side of the oil storage cylinder (1), one end of the first O-shaped sealing ring (6) is provided with the guide drilling plug (5), one end of the guide drilling plug (5) is provided with the oil seal (4), and the oil seal (4) and the gland (3) are internally penetrated by the piston rod (8).

6. The vented side-damped adjustable shock absorber of claim 1, wherein The adjusting device comprises an adjusting valve seat (21), the adjusting valve seat (21) is internally provided with an adjusting cavity, the adjusting valve seat (21) is internally provided with an adjusting valve core (18), the adjusting valve core (18) is externally provided with a threaded cover plate (24), the top end of the adjusting valve core (18) is provided with a bolt (26), the top of the bolt (26) is fixedly provided with a cap (27), the outer side of the cap (27) is provided with a gear knob (25), an elastic component is arranged between the adjusting device and the oil storage cylinder (1), the adjusting valve core (18) is internally provided with an oil blocking plug head (16) at the bottom end, the main oil leakage position of the adjusting valve core (18) is an oil leakage hole (28) with different sizes at the bottom, and the outer wall of the adjusting valve core (18) is provided with a second O-shaped sealing ring (23) at the bottom end.

7. The bleed orifice side damping adjustable shock absorber of claim 6 wherein, The elastic component is a spring piece (22), the lower end of the spring piece (22) is provided with a flat washer (20), and the flat washer (20) and the spring piece (22) are in a form of close contact.

8. The bleed orifice side damping adjustable shock absorber of claim 7, wherein, The lower end of the flat washer (20) is provided with a sealing component, and the sealing component is a third O-shaped sealing ring (17).

9. The vented side-damped adjustable shock absorber of claim 6, wherein The adjusting valve seat (21) is internally provided with a ball groove, the ball groove is internally provided with a ball (19), when the gear knob (25) is rotated, the ball (19) falls into the ball groove of the adjusting valve seat (21) by gear, so that gear shifting is realized.

10. The vented side-damped adjustable shock absorber of claim 1, wherein The oil guide pipe (7) in the oil storage cylinder (1) and the adjusting device are in communication with each other, and the lower side of the oil guide pipe (7) is provided with a branch oil pipe, and the branch oil pipe and the adjusting device are in communication with each other.

Images