Dune buggy damper with adjustable damping elasticity

Abstract

The dune buggy shock absorber comprises a shock absorber body, the shock absorber body comprises a shock absorption cylinder, a piston rod and a spring, the outer wall of the shock absorption cylinder is sleeved with the spring, one end of the spring is arranged on a limiting disc, and the other end of the spring is arranged on the piston rod. A piston rod is slidably arranged in the damping cylinder, one end of the piston rod is fixedly connected to the limiting disc, an adjusting assembly is arranged in the damping cylinder and comprises an anti-skid rotary knob, a guide rod and a valve, and the anti-skid rotary knob is arranged on the outer side of the damping cylinder and fixedly connected with the guide rod; a valve is arranged at one end of the guide rod, a cylinder barrel is arranged in the damping barrel, the piston rod is slidably connected to the interior of the cylinder barrel, a guide groove is formed in the outer wall of the damping barrel, and the outer wall of the guide rod is slidably connected to the guide groove. And meanwhile, the shock absorber is effectively protected, and practicability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand vehicle shock absorber technical field especially relates to a sand vehicle shock absorber of shock absorbing elasticity adjustable. BACKGROUND

[0002] Sand vehicle shock absorber is the key part of sand vehicle suspension system, mainly used for reducing the vibration and impact of vehicle in the running process due to uneven road, from the function point of view, it plays the role of buffer, when sand vehicle drives on the complex terrain (such as soft sand, sand dune, sand pit etc.) such as sand, the wheel will be subjected to various ground forces, including vertical impact force, lateral force etc., shock absorber can absorb and attenuate these impact forces, prevent excessive vibration from being transmitted to the vehicle body and the driver.

[0003] The existing sand vehicle shock absorber has some deficiencies in use, the existing sand vehicle shock absorber is often relatively fixed, cannot adjust the shock absorbing elasticity, in the face of different drivers for the driving experience of sand vehicle has different preferences, the driver according to own weight, driving style and personal demand for comfort and controllability, and the sand vehicle does not have the free adjustment of the elasticity of shock absorber, reduces the use comfort of the driver, cannot reasonably adjust the working state of shock absorber according to the actual situation, increases the damage of shock absorber due to excessive compression or stretching, increases the cost loss, in view of the above problems, therefore, a kind of shock absorbing elasticity adjustable sand vehicle shock absorber is improved and upgraded. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of shock absorbing elasticity adjustable sand vehicle shock absorber to solve the problems raised in the above background.

[0005] To solve the above problems, the following technical solutions are provided:

[0006] Design a kind of shock absorbing elasticity adjustable sand vehicle shock absorber, including shock absorber body, the shock absorber body includes shock absorber cylinder, piston rod and spring, the spring is arranged on the limiting disc at the outer wall of the shock absorber cylinder and one end, the piston rod is slidably arranged in the shock absorber cylinder and is fixedly connected to the limiting disc at one end, the shock absorber cylinder is provided with adjusting assembly, the adjusting assembly includes anti-slip knob, guide rod and valve, the anti-slip knob is arranged on the outer side of shock absorber cylinder and is fixedly connected with guide rod, the guide rod is provided with valve at one end.

[0007] Further, the cylinder barrel is formed in the shock absorber cylinder, the piston rod is slidably connected in the cylinder barrel, the guide groove is formed in the outer wall of the shock absorber cylinder, and the guide rod is slidably connected on the guide groove.

[0008] Further, one end of the guide rod is fixedly connected to the valve, an outer wall of the valve is rotatably installed on a connecting shaft, the connecting shaft is fixedly installed inside the damping cylinder, and the valve and the cylinder barrel are of a size suitable for each other.

[0009] Further, an oil injection pipe is arranged above an outer wall of the damping cylinder, a sealing cap is threadedly connected to an outer wall of the oil injection pipe, and both ends of the spring are connected to the limiting disc and the limiting frame respectively.

[0010] Further, the limiting frame is fixedly installed on an outer wall of the damping cylinder, and a piston pad is arranged on an outer wall of the piston rod and is of a size suitable for a slot in the limiting disc.

[0011] Further, an installation cover is connected to one side of the limiting frame at one end of the damping cylinder, and a second ring and a first ring are fixedly installed on one side of the limiting disc and the installation cover respectively.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses an anti -skid knob, guide rod, valve, damping cylinder, piston rod, spring and other components are arranged in the device, when the valve is rotated clockwise by manually rotating the anti -skid knob and driving the guide rod, the cylinder barrel passage becomes small, the damping oil circulation resistance in the cylinder barrel increases, the damping elastic force increases, thereby the damping effect of the shock absorber on the piston rod movement is enhanced, the shock absorber becomes hard, contrarily rotates clockwise, the damping elastic force becomes small, the shock absorber is softer when using, can adjust the damping size according to the weight condition of the passenger, improve the comfort of the passenger riding the sand vehicle, improve the application range of the sand vehicle, improve the better driving experience of the passenger, effectively adjust the elastic force of the shock absorber simultaneously and protect the shock absorber, improve its service life, avoid the damage of the shock absorber caused by excessive compression or stretching and other problems, and the structure is simple.

[0014] The specific embodiments of the utility model are disclosed in detail with reference to the following description and drawings, and the principle of the utility model can be adopted. It should be understood that the embodiments of the utility model are not limited in scope. The embodiments of the utility model include many changes, modifications and equivalents within the scope of the appended claims and clauses. DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0016] Figure 1 It is a whole structure schematic view of the shock absorber of the sand vehicle with adjustable damping elastic force of the utility model;

[0017] Figure 2 A shock-absorbing spring-adjustable sand buggy shock absorber split structure schematic diagram of the utility model;

[0018] Figure 3 For Figure 2 The local rotation structure schematic diagram;

[0019] Figure 4 For Figure 3 The local enlarged split structure schematic diagram.

[0020] In the figure: 1, shock absorber body; 2, first ring; 3, mounting cover; 4, limit frame; 5, spring; 6, adjusting assembly; 61, anti-skid knob; 62, guide rod; 63, valve; 64, connecting shaft; 65, guide groove; 7, shock-absorbing cylinder; 71, cylinder; 8, piston pad; 9, limit disc; 10, second ring; 11, piston rod; 12, sealing cap; 121, oil injection pipe. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] As Figure 1 - Figure 4 The embodiment provided by the utility model discloses a shock-absorbing spring-adjustable sand buggy shock absorber, which comprises a shock absorber body 1, the shock absorber body 1 includes a shock-absorbing cylinder 7, a piston rod 11 and a spring 5, the spring 5 is arranged on the outer wall of the shock-absorbing cylinder 7 and one end of the spring 5 is arranged on a limit disc 9, the piston rod 11 is slidably arranged in the shock-absorbing cylinder 7 and one end of the piston rod 11 is fixedly connected to the limit disc 9, an adjusting assembly 6 is arranged in the shock-absorbing cylinder 7, the adjusting assembly 6 includes an anti-skid knob 61, a guide rod 62 and a valve 63, the anti-skid knob 61 is arranged on the outer side of the shock-absorbing cylinder 7 and the anti-skid knob 61 and the guide rod 62 are fixedly connected, and one end of the guide rod 62 is provided with the valve 63.

[0023] Preferably, the cylinder 71 is arranged in the shock-absorbing cylinder 7, the piston rod 11 is slidably connected in the cylinder 71, the guide groove 65 is arranged on the outer wall of the shock-absorbing cylinder 7, the guide rod 62 is slidably connected on the guide groove 65, one end of the guide rod 62 is fixedly connected to the valve 63, the outer wall of the valve 63 is rotatably installed on the connecting shaft 64, the connecting shaft 64 is fixedly installed in the shock-absorbing cylinder 7, and the valve 63 and the cylinder 71 are appropriately sized, so that the valve 63 can be rotated in the cylinder 71, the flow area of the shock-absorbing oil in the cylinder 71 can be adjusted, and the damping force can be adjusted.

[0024] Preferably, the damping cylinder 7 is provided with an oil injection pipe 121 on the outer wall, the outer wall of the oil injection pipe 121 is threadedly connected with a sealing cap 12, the spring 5 is connected to the limiting disc 9 and the limiting frame 4 respectively, the limiting frame 4 is fixedly installed on the outer wall of the damping cylinder 7, the piston rod 11 is sleeved with the piston pad 8, and the piston pad 8 is matched with the size of the inner slot of the limiting disc 9, so that the damping size of the shock absorber can be adjusted, one end of the damping cylinder 7 is connected with the mounting cover 3 on one side of the limiting frame 4, and the second sleeve ring 10 and the first sleeve ring 2 are fixedly installed on one side of the limiting disc 9 and the mounting cover 3 respectively, so that the shock absorber can be fixed.

[0025] The use principle and use process of the utility model are as follows: the first sleeve ring 2 and the second sleeve ring 10 are fixed on the beach buggy handle and the seat chassis respectively, when the rider sits on the beach buggy to try, the handle is moved to transmit the impact force to the piston rod 11 in the damping cylinder 7, the piston rod 11 moves up and down in the damping cylinder 7, at this time, the spring 5 is compressed downward by the limiting frame 4 and is limited by the limiting disc 9 to play a buffering role, then the damping oil of the damping cylinder 7 is put into the channel in the cylinder barrel 71 through the oil injection pipe 121, because of the viscosity of the oil and the resistance of the channel, damping force is generated to buffer the rider when using, when the riders of different weights use the beach buggy, at this time, when the anti-skid knob 61 drives the guide rod 62 and the valve 63 to rotate clockwise, the channel of the cylinder barrel 71 becomes smaller, the flow resistance of the damping oil in the cylinder barrel 71 increases, the damping elastic force increases, so that the hindering effect of the shock absorber on the movement of the piston rod 11 is enhanced, the shock absorber becomes hard, on the contrary, the anti-skid knob 61 drives the guide rod 62 and the valve 63 to rotate counterclockwise, the channel of the cylinder barrel 71 becomes larger, the flow area of the damping oil is increased, the damping elastic force is smaller, the movement of the piston rod 11 is limited by the shock absorber, so that the shock absorber is softer when used, the size of the damping can be adjusted according to the weight of the rider, so that the comfort of riding the beach buggy is improved, and a better driving experience is improved.

[0026] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific situation.

[0027] In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

Claims

1. A shock absorber for ATVs with adjustable shock absorption elasticity, characterized in that, The device includes a shock absorber body (1), which comprises a shock absorber cylinder (7), a piston rod (11), and a spring (5). The shock absorber cylinder (7) is fitted with a spring (5) on its outer wall, and one end of the spring (5) is mounted on a limiting plate (9). The shock absorber cylinder (7) is slidably mounted with a piston rod (11), and one end of the piston rod (11) is fixedly connected to the limiting plate (9). The shock absorber cylinder (7) is equipped with an adjustment assembly (6), which includes an anti-slip knob (61), a guide rod (62), and a valve (63). The anti-slip knob (61) is mounted on the outside of the shock absorber cylinder (7), and the anti-slip knob (61) and the guide rod (62) are fixedly connected. One end of the guide rod (62) is equipped with a valve (63).

2. The beach buggy shock absorber with adjustable shock absorption elasticity according to claim 1, characterized in that, The shock absorber (7) has a cylinder (71) inside, and the piston rod (11) is slidably connected inside the cylinder (71). The outer wall of the shock absorber (7) has a guide groove (65), and the outer wall of the guide rod (62) is slidably connected to the guide groove (65).

3. The beach buggy shock absorber with adjustable shock absorption elasticity according to claim 2, characterized in that, One end of the guide rod (62) is fixedly connected to the valve (63). The outer wall of the valve (63) is rotatably mounted on the connecting shaft (64). The connecting shaft (64) is fixedly mounted inside the shock absorber (7). The valve (63) and the cylinder (71) are compatible in size.

4. The beach buggy shock absorber with adjustable shock absorption elasticity according to claim 1, characterized in that, An oil injection pipe (121) is provided on the upper part of the outer wall of the shock absorber (7). A sealing cap (12) is threaded on the outer wall of the oil injection pipe (121). The two ends of the spring (5) are respectively connected to the limiting plate (9) and the limiting frame (4).

5. The ATV shock absorber with adjustable shock absorption elasticity according to claim 4, characterized in that, The limiting frame (4) is fixedly installed on the outer wall of the shock absorber (7), and the piston rod (11) is fitted with a piston pad (8) on its outer wall, and the piston pad (8) is adapted to the size of the groove in the limiting plate (9).

6. The beach buggy shock absorber with adjustable shock absorption elasticity according to claim 1, characterized in that, One end of the shock absorber (7) is connected to the mounting cover (3) on one side of the limiting frame (4), and the second ring (10) and the first ring (2) are fixedly installed on one side of the limiting plate (9) and the mounting cover (3), respectively.

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