CN217705719U

CN217705719U - Rear axle anticollision structure

Info

Publication number: CN217705719U
Application number: CN202221536941.3U
Authority: CN
Inventors: 宋广锡; 苏援农; 师傲
Original assignee: Xuzhou Shunjiu Locomotive Technology Co ltd
Current assignee: Xuzhou Shunjiu Locomotive Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-01
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a rear axle anti-collision structure, relating to the technical field of anti-collision structures; the utility model comprises a rear axle, an energy absorbing plate and a buffer plate, wherein symmetrically distributed hydraulic pipes are fixedly sleeved outside the rear axle and provided with hydraulic cavities, a piston is arranged in each hydraulic cavity in a sliding manner, a connecting rod is fixedly arranged on one side of the piston, one end of the connecting rod is fixedly connected with one side of the buffer plate far away from the energy absorbing plate, and hydraulic oil is filled between one side of the piston and the inside of each hydraulic cavity; the energy absorption plate drives the buffer plate to move, the buffer plate drives the connecting rod to move, and the connecting rod drives the piston to move in the hydraulic cavity, so that the piston compresses hydraulic oil, the hydraulic oil can absorb energy for buffering, and the purpose of preventing rear axle collision is achieved; the energy absorption plate moves towards the rear axle, the energy absorption plate drives the fixed rod to move on the buffer plate, and the buffer spring is compressed by the energy absorption plate, so that the buffer spring absorbs partial impact force, partial energy can be absorbed, and the purpose of energy absorption is achieved.

Description

Rear axle anticollision structure

Technical Field

The utility model relates to a crashproof technical field specifically is a rear axle anticollision structure.

Background

The rear axle is a rear driving shaft component for transmitting the power of the vehicle. It is composed of two half-bridges, and can implement half-bridge differential motion. The vehicle is often collided during the use process, so that how to protect the vehicle from being damaged is very important. However, protective cases are mostly arranged on the outer side of the existing vehicle rear axle, and one protective case cannot provide good protection for the rear axle, and repair and maintenance after damage occurs can increase the use cost of the vehicle.

SUMMERY OF THE UTILITY MODEL

The problem that the protection effect of a single protection shell is poor is solved; an object of the utility model is to provide a rear axle anticollision structure.

In order to solve the technical problem, the utility model adopts the following technical scheme: a rear axle anti-collision structure comprises a rear axle, an energy absorption plate and a buffer plate, wherein the energy absorption plate is positioned on one side of the rear axle, the buffer plate is positioned on the inner side of the energy absorption plate, symmetrically distributed hydraulic pipes are fixedly sleeved on the outer side of the rear axle in a sleeved mode, each hydraulic pipe is provided with a hydraulic cavity, and a through hole is formed in one side, away from the rear axle, of each hydraulic pipe; the inside slide card of hydraulic pressure chamber is equipped with the piston, the piston is close to the fixed connecting rod that is equipped with in one side of through-hole, the one end that the piston was kept away from to the connecting rod and the buffer board one side fixed connection who keeps away from the energy-absorbing board, it has hydraulic oil to fill between the one side that the connecting rod was kept away from to the piston and the inside in hydraulic pressure chamber, and the connecting rod drives the piston and removes in the hydraulic pressure chamber, makes piston compression hydraulic oil, just so can make hydraulic oil energy absorption to reach the purpose of buffering, the fixed cover in the outside of piston is equipped with the sealing washer, the outside of sealing washer and the inner wall laminating in hydraulic pressure chamber, the sealing washer can improve the leakproofness between piston and the hydraulic pressure chamber.

Preferably, the buffer plate is provided with a plurality of fixing rods which are symmetrically distributed, the fixing rods penetrate through the fixing rods, the fixing rods are far away from one side of the energy absorption plate, one end of the rear axle is fixedly connected with the inner side of the energy absorption plate, a limiting disc is fixedly arranged at one end of the fixing rods, far away from the energy absorption plate, buffering springs are movably sleeved on the outer sides of the fixing rods, one ends of the buffering springs, far away from the limiting disc, are fixedly connected with the outer side of the buffer plate, the energy absorption plate moves towards the rear axle, the fixing rods are driven by the energy absorption plate to move on the buffer plate, and the energy absorption plate compresses the buffering springs to enable the buffering springs to absorb part of impact force, so that part of energy can be absorbed, and the purpose of energy absorption is achieved.

Preferably, the energy-absorbing plate is close to the both ends of buffer board and has all been seted up the spout, the inside slide card of spout is equipped with the connecting block, one side that the connecting block is close to the buffer board and the outside fixed connection of buffer board, and the connecting block removes in the spout, can make the energy-absorbing plate remove along fixed direction, just so can improve the energy-absorbing effect, the both ends of energy-absorbing plate are all fixed and are equipped with the limiting plate, one side and the spout of limiting plate align, and the limiting plate can avoid the connecting block to shift out the spout.

Preferably, a rubber pad is fixedly arranged on the outer side of the energy absorption plate, the rubber pad can reduce the damage of the energy absorption plate during collision, and further the use cost is reduced, and the side, far away from the energy absorption plate, of the rubber pad is fixedly provided with symmetrically distributed reflective strips which can play a warning role and reduce the possibility of collision.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the energy absorption plate drives the buffer plate to move, the buffer plate drives the connecting rod to move, and the connecting rod drives the piston to move in the hydraulic cavity, so that the piston compresses hydraulic oil, the hydraulic oil can absorb energy for buffering, and the purpose of preventing rear axle collision is achieved;

2. the energy absorption plate moves towards the rear axle, the fixed rod is driven by the energy absorption plate to move on the buffer plate, and the buffer spring is compressed by the energy absorption plate, so that the buffer spring absorbs partial impact force, partial energy can be absorbed, and the purpose of energy absorption is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view of the hydraulic tube structure of the present invention.

Fig. 3 is a sectional view of the energy absorbing plate structure of the present invention.

Description of reference numerals: 1. a rear axle; 2. an energy absorbing plate; 3. a buffer plate; 4. a hydraulic pipe; 5. a hydraulic chamber; 6. a through hole; 7. a piston; 8. a connecting rod; 9. a fixing rod; 10. a limiting disc; 11. a buffer spring; 12. a chute; 13. connecting blocks; 14. hydraulic oil; 15. a seal ring; 16. a rubber pad; 17. a light-reflecting strip; 18. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in fig. 1-3, the utility model provides a technical solution: a rear axle anti-collision structure comprises a rear axle 1, an energy absorption plate 2 and a buffer plate 3, wherein the energy absorption plate 2 is positioned on one side of the rear axle 1, the buffer plate 3 is positioned on the inner side of the energy absorption plate 2, symmetrically distributed hydraulic pipes 4 are fixedly sleeved on the outer side of the rear axle 1 in a sleeved mode, each hydraulic pipe 4 is provided with a hydraulic cavity 5, and a through hole 6 is formed in one side, away from the rear axle 1, of each hydraulic pipe 4; inside slip card in hydraulic pressure chamber 5 is equipped with piston 7, piston 7 is close to the fixed connecting rod 8 that is equipped with in one side of through-hole 6, the one end that piston 7 was kept away from to connecting rod 8 and buffer board 3 keep away from one side fixed connection of energy-absorbing board 2, it has hydraulic oil 14 to fill between one side that connecting rod 8 was kept away from to piston 7 and the inside in hydraulic pressure chamber 5, connecting rod 8 drives piston 7 and removes in hydraulic pressure chamber 5, make piston 7 compression hydraulic oil 14, just so can make 14 absorption energy of hydraulic oil, thereby reach the mesh of buffering.

The energy-absorbing plate 2 has all been seted up spout 12 near the both ends of buffer board 3, and the inside slide card of spout 12 is equipped with connecting block 13, and one side that connecting block 13 is close to buffer board 3 and the outside fixed connection of buffer board 3.

By adopting the technical scheme, the connecting block 13 moves in the sliding groove 12, so that the energy absorption plate 2 can move along the fixed direction, and the energy absorption effect can be improved.

The fixed cover in outside of piston 7 is equipped with sealing washer 15, and the laminating of the inner wall in outside and hydraulic pressure chamber 5 of sealing washer 15.

By adopting the technical scheme, the sealing ring 15 can improve the sealing property between the piston 7 and the hydraulic cavity 5.

And a rubber pad 16 is fixedly arranged on the outer side of the energy absorption plate 2.

Through adopting above-mentioned technical scheme, rubber pad 16 can reduce the damage when energy-absorbing plate 2 collides, and then reduces use cost.

Limiting plates 18 are fixedly arranged at two ends of the energy absorption plate 2, and one side of each limiting plate 18 is aligned with the sliding chute 12.

By adopting the above technical scheme, the limiting plate 18 can prevent the connecting block 13 from moving out of the chute 12.

And a reflective strip 17 which is symmetrically distributed is fixedly arranged on one side of the rubber pad 16 far away from the energy absorption plate 2.

By adopting the technical scheme, the reflective strips 17 can play a warning role, and the possibility of collision is reduced.

The second embodiment: as shown in fig. 1, one side of the buffer plate 3, which is far away from the energy-absorbing plate 2, movably penetrates through the symmetrically-distributed fixing rods 9, one end of the fixing rod 9, which is far away from the rear axle 1, is fixedly connected with the inner side of the energy-absorbing plate 2, one end of the fixing rod 9, which is far away from the energy-absorbing plate 2, is fixedly provided with a limiting disc 10, the outer side of the fixing rod 9 is movably sleeved with a buffer spring 11, one end of the buffer spring 11, which is far away from the limiting disc 10, is fixedly connected with the inner side of the energy-absorbing plate 2, and one end of the buffer spring 11, which is far away from the energy-absorbing plate 2, is fixedly connected with the outer side of the buffer plate 3.

By adopting the technical scheme, the energy absorption plate 2 moves towards the rear axle 1, the energy absorption plate 2 drives the fixing rod 9 to move on the buffer plate 3, and the energy absorption plate 2 compresses the buffer spring 11, so that the buffer spring 11 absorbs partial impact force, partial energy can be absorbed, and the purpose of energy absorption is achieved.

The working principle is as follows: when receiving the collision, the impact force makes energy-absorbing plate 2 remove to rear axle 1, energy-absorbing plate 2 drives dead lever 9 and removes on buffer board 3, energy-absorbing plate 2 compresses buffer spring 11, make buffer spring 11 absorb some impact force, connecting block 13 removes in spout 12 simultaneously, make energy-absorbing plate 2 directional movement, just so can absorb some energy, thereby reach the purpose of energy-absorbing, after that energy-absorbing plate 2 laminates with buffer board 3 and drives buffer board 3 and remove, buffer board 3 drives connecting rod 8 and removes, connecting rod 8 drives piston 7 and removes in hydraulic pressure chamber 5, make piston 7 compress hydraulic oil 14, just so can make 14 absorbed energy buffering of hydraulic oil, thereby reach the purpose that prevents rear axle 1 collision.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a rear axle anticollision structure, includes rear axle (1), energy-absorbing board (2) and buffer board (3), its characterized in that: the energy absorption plate (2) is positioned on one side of the rear axle (1), the buffer plate (3) is positioned on the inner side of the energy absorption plate (2), the hydraulic pipes (4) which are symmetrically distributed are fixedly sleeved on the outer side of the rear axle (1), the hydraulic pipes (4) are provided with hydraulic cavities (5), and through holes (6) are formed in one side, far away from the rear axle (1), of each hydraulic pipe (4);

the inside slip card in hydraulic pressure chamber (5) is equipped with piston (7), one side that piston (7) are close to through-hole (6) is fixed and is equipped with connecting rod (8), one side fixed connection of energy-absorbing board (2) is kept away from with buffer board (3) to the one end that piston (7) were kept away from in connecting rod (8), it has hydraulic oil (14) to fill between the inside of one side that connecting rod (8) were kept away from in piston (7) and hydraulic pressure chamber (5).

2. The rear axle anti-collision structure as claimed in claim 1, wherein one side of the buffer plate (3) far away from the energy-absorbing plate (2) is movably penetrated through symmetrically distributed fixing rods (9), one end of each fixing rod (9) far away from the rear axle (1) is fixedly connected with the inner side of the energy-absorbing plate (2), one end of each fixing rod (9) far away from the energy-absorbing plate (2) is fixedly provided with a limiting disc (10), the outer side of each fixing rod (9) is movably sleeved with a buffer spring (11), one end of each buffer spring (11) far away from the limiting disc (10) is fixedly connected with the inner side of the energy-absorbing plate (2), and one end of each buffer spring (11) far away from the energy-absorbing plate (2) is fixedly connected with the outer side of the buffer plate (3).

3. The rear axle anti-collision structure as claimed in claim 1, wherein sliding grooves (12) are formed at both ends of the energy absorption plate (2) close to the buffer plate (3), a connecting block (13) is arranged in an inner sliding clamp of the sliding grooves (12), and one side of the connecting block (13) close to the buffer plate (3) is fixedly connected with the outer side of the buffer plate (3).

4. A rear axle crash structure according to claim 1, wherein a sealing ring (15) is fixedly sleeved on the outer side of the piston (7), and the outer side of the sealing ring (15) is attached to the inner wall of the hydraulic chamber (5).

5. A rear axle crash structure according to claim 1, characterized in that a rubber pad (16) is fixed to the outside of said energy absorbing panel (2).

6. A rear axle crash structure according to claim 3, wherein the energy absorbing plate (2) is fixedly provided with a limiting plate (18) at both ends, and one side of the limiting plate (18) is aligned with the chute (12).

7. A rear axle crash structure according to claim 5, characterized in that the side of said rubber pad (16) remote from the energy absorbing panel (2) is fixedly provided with symmetrically distributed reflective strips (17).