CN222046511U - A shock absorber - Google Patents

Abstract

The utility model relates to the technical field of shock absorption, in particular to a shock absorber, which comprises an assembly bolt, wherein one end of the assembly bolt is a fixed nut, a shock absorption block is sleeved in the middle of the assembly bolt, a shock absorption spring is sleeved on the assembly bolt on one side or two sides of the shock absorption block, a plurality of connecting holes are formed in the shock absorption block, the shock absorption block is formed by combining a metal shell and elastic entities, the elastic entities are provided with mounting holes, the assembly bolt penetrates through the mounting holes, one end of the assembly bolt, which is far away from the fixed nut, is provided with threads, and the threads are provided with a connecting nut.

Description

Shock absorber

Technical Field

The utility model relates to the technical field of shock absorption, in particular to a shock absorber.

Background

The shock absorber is mainly used for absorbing shock by an elastic device and is widely used for automobiles to accelerate the damping of the vibration of a frame and an automobile body so as to improve the running smoothness of the automobiles. The shock absorbing spring can filter the vibration of the road surface when the road surface passes by the uneven road surface, but the spring can also reciprocate, and the shock absorber is used for restraining the jump of the spring.

However, the use environment of the heavy-duty vehicle is usually a rugged road surface, and when the vehicle runs on the road surface, the vehicle can vibrate up and down and can shake left and right greatly, so that the transverse pressure of the traditional shock absorber is increased, the service life of the shock absorber is reduced, and even the shock absorber breaks.

Disclosure of utility model

The present utility model is directed to a shock absorber to solve the above-mentioned problems.

The utility model provides a bumper shock absorber, includes an assembly bolt, assembly bolt's one end is fixation nut, a snubber block has been put to assembly bolt's middle part cover, the last cover of one side or both sides of snubber block has been put damping spring, a plurality of connecting hole has been seted up on the snubber block, the snubber block is formed by a metal casing and elastic entity combination, the mounting hole has been seted up on the elastic entity, assembly bolt passes the mounting hole, assembly bolt keeps away from fixation nut's one end and is equipped with the screw thread to screw thread assembly has a coupling nut.

Preferably, a damping gasket is arranged between the damping block and the damping spring.

Further, the damping gasket comprises a flexible surface and a hard surface, wherein the flexible surface is made of an elastic material, the hard surface is made of a metal material, and the flexible surface faces the direction of the damping block.

Further, a connecting gasket is arranged between the damping spring and the fixing bolt or the mounting bolt.

Further, the metal shell of snubber block includes a mounting panel, the mounting panel is rhombus or rectangle, the connecting hole is seted up in four apex angles of mounting panel, one side fixedly connected with of mounting panel protects a section of thick bamboo, protect a section of thick bamboo for hollow cylinder section of thick bamboo, protect a section of thick bamboo intussuseption and shock attenuation rubber, shock attenuation rubber's center has seted up along the axis direction of protection section of thick bamboo the mounting hole.

Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the structure of the traditional shock absorber, the shock absorber spring is used for longitudinal shock absorption, meanwhile, the shock absorber block is filled with shock absorber rubber, the shock absorber rubber is in direct contact with the assembly bolt, meanwhile, the shock absorber block is fixedly installed through the connecting hole, when the transverse shock of the vehicle body is transferred to the assembly bolt, the assembly bolt is subjected to transverse displacement, so that the assembly bolt collides with the shock absorber rubber, the shock absorber rubber can effectively absorb shock, and the metal fatigue of the metal part caused by the transverse shock is reduced, thereby preventing the service life of the part from being reduced and damaged due to the metal fatigue.

The damping pad is arranged between the damping block and the damping spring on the side face of the damping pad, one face of the damping pad is made of metal, the other face of the damping pad is made of rubber, the rubber face is in contact with the damping block, the metal face is in contact with the damping spring, the damping spring cannot counteract longitudinal vibration, the damping spring can only absorb the longitudinal vibration and can release the longitudinal vibration again through rebound, meanwhile, the rubber of the damping pad can absorb vibration, and meanwhile damage caused by collision between the damping spring and the damping block can be prevented.

The connecting gasket between the fixing nut and the damping spring can prevent the fixing nut from loosening through friction force and elastic deformation, thereby ensuring the firmness of connection.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a shock absorber mass according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a shock absorber mass of the present utility model;

Fig. 4 is a schematic diagram of a split structure of the present utility model.

In the figure: 1. assembling a bolt; 11. a flange nut; 2. a damping spring; 3. damping pad; 31. a hard surface; 32. a flexible surface; 4. a damper block; 41. a metal housing; 411. a mounting plate; 412. a protective cylinder; 42. an elastic entity; 5. a connecting nut; 6. and (5) connecting gaskets.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to specific embodiments and fig. 1 to 4.

The utility model provides a bumper shock absorber, includes an assembly bolt 1, assembly bolt 1 is a stock bolt, and its one end is fixation nut, and fixation nut is flange nut 11, and flange nut 11 has a flange structure towards the one end of screw rod, has increased the area of contact of nut and required adapting unit, has increased frictional force, can play locking effect.

The damping spring 2 is sleeved at the position, close to the fixing nut, on the assembly bolt 1, the damping spring 2 is a rectangular spring, the force of the rectangular spring with the same size is much larger than that of a common spring, the fatigue resistance is better than that of the common spring, one side, far away from the fixing nut, of the damping spring 2 is provided with the damping gasket 3, the damping gasket 3 is of a circular sheet-shaped structure with a hole in the center, one surface of the damping gasket 3 is a flexible surface 32, the other surface of the damping gasket is a hard surface 31, the flexible surface 32 is made of elastic materials, particularly rubber, the rubber can effectively absorb vibration, the impact is buffered, the hard surface 31 is made of metal materials, and steel plates can be used for supporting the rubber of the flexible surface 32.

The shock pad 3 is kept away from one side of fixation nut and is equipped with a snubber block 4, snubber block 4 also overlaps and is put on assembly bolt 1, snubber block 4 is formed by a metal casing 41 and elastic entity 42 combination, and metal casing 41 of snubber block 4 includes a mounting panel 411, mounting panel 411 is diamond or rectangle, and a connecting hole has all been seted up to every apex angle position of mounting panel 411, and the connecting hole is used for carrying out fixed connection with snubber block 4 and automobile body, and the central point of mounting panel 411 puts and still is equipped with the through-hole, and one side fixedly connected with protection cylinder 412 at mounting panel 411, and protection cylinder 412 is hollow cylinder type, and the axle center of protection cylinder 412 coincides with the centre of a circle of through-hole, and the protection cylinder 412 intussuseption is filled with damping rubber along the axis direction of protection cylinder 412 and has been seted up a mounting hole, and mounting hole and assembly bolt 1 looks adaptation for snubber block 4 can overlap and put on the screw rod of assembly bolt 1, and snubber block 4 and assembly bolt 1's contact part be its inboard elastic entity 42 part, and the shelves phase when the assembly on the automobile, and when the automobile is through the bumpy road surface that the automobile can be bumpy, the automobile can produce transverse direction bump, and a protection block 412 is produced, and transverse direction and the metal can lead to the inside the utility model to the fact the transverse shock pad 4 to be broken because of the transverse shock-absorbing part is used to make the inside the transverse shock-absorbing part and the metal to be easy to be broken.

The other end of shake piece also is equipped with a shock attenuation gasket 3, and the other end of shock attenuation gasket 3 is equipped with another damping spring 2, and damping spring 2's the other end is equipped with a coupling nut 5, and coupling nut 5 is spacing between coupling nut 5 and damping spring 2 still is equipped with a coupling gasket 6 with above-mentioned part, and coupling nut 5 is because of vibrations in the use that coupling nut 5 vibrations come off can be increased to the frictional force that receives when coupling nut 5 screws to coupling gasket 6.

Other than the technical features described in the specification, all are known to those skilled in the art.

In the present utility model, the terms "upper", "lower", "left", "right", "front" and "rear" are relative positions used for convenience in describing the positional relationship, and thus are not to be construed as limiting the scope of protection as absolute positions.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims (5)

1. The utility model provides a bumper shock absorber, its characterized in that includes an assembly bolt, assembly bolt's one end is fixing nut, a snubber block has been put to the middle part cover of assembly bolt, the last cover of assembly bolt of one side or both sides of snubber block has put damping spring, a plurality of connecting hole has been seted up on the snubber block, the snubber block is formed by a metal casing and elastic entity combination, the mounting hole has been seted up on the elastic entity, assembly bolt passes the mounting hole, assembly bolt keeps away from fixing nut's one end and is equipped with the screw thread to screw thread assembly has a connecting nut.

2. A shock absorber according to claim 1, wherein a shock absorbing pad is provided between said shock absorbing mass and said shock absorbing spring.

3. The shock absorber of claim 2 wherein said shock absorbing pad comprises a flexible surface and a rigid surface, said flexible surface being of a resilient material and said rigid surface being of a metallic material, said flexible surface being oriented in the direction of the shock absorbing mass.

4. A shock absorber according to claim 3, wherein a connection spacer is provided between the shock absorbing spring and the fixing bolt or the mounting bolt.

5. The shock absorber of claim 4, wherein the metal housing of the shock absorber mass comprises a mounting plate, the mounting plate is diamond-shaped or rectangular, the connecting holes are formed in four top corners of the mounting plate, a protection cylinder is fixedly connected to one side of the mounting plate, the protection cylinder is hollow and cylindrical, the protection cylinder is filled with shock absorbing rubber, and the center of the shock absorbing rubber is provided with the mounting holes along the axial direction of the protection cylinder.