CN-224229157-U - Shock absorber piston assembly made of graphene composite material

Abstract

The utility model belongs to the technical field of vibration dampers, in particular to a vibration damper piston assembly made of graphene composite materials, which comprises a vibration damper body. According to the utility model, when the piston rod reciprocates, the corrugated hose can stretch along with the piston rod, the connection part of the piston rod and the shock absorber body is always kept sealed and protected, external impurities are effectively prevented from entering the shock absorber body, the service life of the shock absorber is prolonged, when the elasticity of the spring needs to be regulated, the rotating knob is driven by the belt pulley and the belt, so that the two screw rods rotate simultaneously, the connecting plate is driven by the screw rod to move through the moving block, the connecting plate compresses the spring, the spring is in a slightly compressed or semi-compressed state before being used, the compression stroke of the spring is shortened, and the elasticity of the spring in the compressed state to the shock absorber body is obviously increased, so that the shock absorber body can be better adapted to different vehicle types, different road conditions and different load conditions by regulating the elasticity of the spring.

Inventors

• HU DAOFENG
• XIE SHIXUAN
• LUO YONG
• WANG GUOXING
• WANG XIAOBING
• Dai Jianci
• YANG MING
• LUO YOUCUN
• YANG TIANLI
• ZHOU JIAN

Assignees

• 浙江森森汽车零部件有限公司

Dates

Publication Date

20260512

Application Date

20250701

Claims (6)

1. 1. The shock absorber piston assembly of the graphene composite material comprises a shock absorber body (1), and is characterized in that a limiting ring (2) is fixedly connected to the inner wall of the shock absorber body (1), a piston rod (3) is arranged in the shock absorber body (1), the piston rod (3) is in sliding connection with the limiting ring (2), a piston (4) is fixedly connected to the bottom end of the piston rod (3), the top end of the piston rod (3) extends out of the shock absorber body (1) and is fixedly connected with a fixed cover (5), sliding grooves (6) are formed in the inner walls of two sides of the fixed cover (5), a screw rod (7) is rotationally connected between the inner walls of two sides of the sliding grooves (6), a moving block (8) is connected to the screw rod (7) in a threaded mode, a connecting plate (9) is fixedly connected between the two moving blocks (8), a corrugated tube (10) is fixedly connected to the bottom of the connecting plate (9) and the top of the shock absorber body (1), a corrugated tube (10) is sleeved on the shock absorber body (3), a flexible tube (11) is sleeved on the bottom of the connecting plate (9), a flexible tube (11) is movably connected to the top of the shock absorber body (1), the top of lead screw (7) extends to the top of fixed cover (5) and fixedly connected with belt pulley (12), two transmission is connected with same belt (13) on belt pulley (12), and the top welding of one lead screw (7) in two lead screw (7) has knob (14), the top welding of fixed cover (5) has U-shaped piece (15), the top welding of U-shaped piece (15) has connector link (16).
2. 2. The damper piston assembly of the graphene composite material according to claim 1, wherein a rectangular block (17) is welded on the top of the fixed cover (5), and a T-shaped rod (18) is arranged on the rectangular block (17).
3. 3. The damper piston assembly of the graphene composite material according to claim 2, wherein a tension spring (19) is fixedly connected with one side inner wall of the T-shaped rod (18) and one side bracket of the rectangular block (17), and the tension spring (19) is movably sleeved on the T-shaped rod (18).
4. 4. The damper piston assembly of the graphene composite material of claim 3, wherein the knob (14) is provided with a plurality of clamping grooves (20) in a ring shape, and the T-shaped rod (18) is clamped with one clamping groove (20) of the plurality of clamping grooves (20).
5. 5. The damper piston assembly of the graphene composite material according to claim 4, wherein the rectangular block (17) is provided with a guide hole, and the rectangular block (17) is slidably connected with the T-shaped rod (18) through the guide hole.
6. 6. The damper piston assembly of the graphene composite material according to claim 5, wherein the moving block (8) is provided with a threaded hole, and the moving block (8) is in threaded connection with the corresponding screw rod (7) through the threaded hole.

Description

Shock absorber piston assembly made of graphene composite material Technical Field The utility model relates to the technical field of vibration absorbers, in particular to a vibration absorber piston assembly made of graphene composite materials. Background In various fields such as automobiles, engineering machinery and the like, the shock absorber is taken as a key component, and plays a vital role in guaranteeing the running stability, comfort and safety of equipment. The piston component of the graphene composite material shock absorber has huge application potential in the field of shock absorbers by virtue of unique physical and chemical properties of graphene, such as high strength, high electrical conductivity, high thermal conductivity, excellent mechanical properties and the like, and is expected to improve the overall performance of the shock absorber; However, there are some issues to be solved in the existing graphene composite material damper piston assemblies on the market. In terms of structural design, the piston rod is usually exposed. In the actual use process, the device is often in complex and changeable environments, and especially under some outdoor, construction sites and other severe working conditions, impurities such as silt and dust in the external environment are easy to invade the interior of the piston. Once the impurities enter, the impurities abrade the matching surface between the piston and the cylinder barrel along with the reciprocating motion of the piston, so that the sealing performance of the sealing element is damaged, the problems of oil leakage, vibration reduction and the like of the vibration damper are caused, the service life of the vibration damper is seriously influenced, and on the other hand, the elastic characteristic of a spring equipped with the traditional vibration damper is usually fixed. This means that the damper cannot flexibly adjust the damping effect according to the actual requirements when facing different working conditions and different loading conditions, so we propose a damper piston assembly made of graphene composite materials to solve the above problems. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a damper piston assembly made of graphene composite material, and solves the problems in the background art. The utility model adopts the following technical scheme for realizing the purposes: The utility model provides a graphite alkene combined material's shock absorber piston subassembly, includes the shock absorber body, fixedly connected with spacing ring on the inner wall of shock absorber body, this internal piston rod that is equipped with of shock absorber, piston rod and spacing ring sliding connection, the bottom fixedly connected with piston of piston rod, the top of piston rod extends to the shock absorber body and fixedly connected with fixed cover, all seted up the spout on the both sides inner wall of fixed cover, rotate between the both sides inner wall of spout and be connected with the lead screw, threaded connection has the movable block on the lead screw, two fixedly connected with connecting plate between the movable block, connecting plate and piston rod sliding connection, fixedly connected with bellows between the bottom of connecting plate and the top of shock absorber body, bellows sleeve is established on the piston rod, fixedly connected with spring between the bottom of connecting plate and the top of shock absorber body, the outside at bellows is established to the spring movable sleeve, the top of lead screw extends to the top of fixed cover and fixedly connected with belt pulley, two the transmission is connected with same belt on the belt pulley, two have the knob on the top in the lead screw, the welded connection has the U-shaped knot, the welded connection has the U-shaped top. Further, a rectangular block is welded at the top of the fixed cover, and a T-shaped rod is arranged on the rectangular block. Further, a tension spring is fixedly connected with one side inner wall of the T-shaped rod and one side bracket of the rectangular block, and the tension spring is movably sleeved on the T-shaped rod. Further, the knob is provided with a plurality of clamping grooves in a ring shape, and the T-shaped rod is clamped with one clamping groove of the plurality of clamping grooves. Further, a guide hole is formed in the rectangular block, and the rectangular block is connected with the T-shaped rod in a sliding mode through the guide hole. Further, a threaded hole is formed in the moving block, and the moving block is in threaded connection with the corresponding screw rod through the threaded hole. Compared with the prior art, the utility model provides a damper piston assembly made of graphene composite material, which has the following beneficial effects: According to the utility model, in order to prevent impurities such as external sediment from entering t