CN212890216U

CN212890216U - Vehicle bumper structure

Info

Publication number: CN212890216U
Application number: CN202021837564.8U
Authority: CN
Inventors: 孙建新; 刘智民; 路华; 董晓宁; 魏凌梅; 林际涛
Original assignee: Beijing Lingyun Dong Park Technology Co ltd
Current assignee: Beijing Lingyun Dong Park Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-06
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to the technical field of automobile accessories, in particular to a vehicle bumper structure, which comprises a shell, wherein a supporting plate is arranged in the shell, a buffer layer is connected between the shell and the supporting plate, the two sides of the shell are symmetrically provided with first through holes, the middle part of the shell is provided with a second through hole, a grid is connected in the second through hole, the shell is provided with a groove, the four corners of the groove are provided with threaded holes, the supporting plate is symmetrically and fixedly connected with buffer components, the buffer components are fixedly connected with a reinforcing plate, the device solves the problem that the prior vehicle bumper structure has limited capability of absorbing and buffering impact force and is not enough to meet the driving safety requirement, the structure of the utility model has reasonable design, can effectively absorb and buffer the impact force received by the bumper, effectively prevents the vehicle from being damaged and reduces the injury to the collided pedestrian, thereby prevent pedestrian and interior personnel injured, promoted the safeguard effect greatly, satisfy people's driving safety demand.

Description

Vehicle bumper structure

Technical Field

The utility model relates to the technical field of auto-parts, specifically a vehicle bumper structure.

Background

An automobile accessory is a product that constitutes each unit of an automobile as a whole and serves the automobile. The automobile parts are various in types, people consume more and more automobiles along with the improvement of living standard of people, and the market of the automobile parts is getting larger and larger. The front end and the rear end of the automobile are provided with bumpers which not only have the decoration function, but also are more important to be safety devices which absorb and buffer the external impact force and protect the automobile body and passengers.

At first, the front and rear bumpers of the automobile are made of metal materials, U-shaped channel steel is punched by steel plates with the thickness of more than 3 millimeters, chromium plating is carried out on the U-shaped channel steel, the U-shaped channel steel is riveted or welded with a frame longitudinal beam, a large gap is formed between the U-shaped channel steel and the automobile body, and the automobile front and rear bumpers are just like an attached part which is not attractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. At present, the front and rear bumpers of the automobile not only keep the original protection function, but also pursue harmony and unity with the shape of the automobile body and pursue the light weight of the automobile. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers.

The existing vehicle bumper structure has limited capability of absorbing and buffering impact force, and when a vehicle collides, the energy generated by collision cannot be absorbed, so that the bumper is elastically deformed and has overlarge deformation, and serious injuries are caused to pedestrians and people in the vehicle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vehicle bumper structure, it is limited to aim at solving the absorption that current vehicle bumper structure exists and the ability of buffering impact force, is not enough to satisfy the problem of driving safety demand.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a vehicle bumper structure, includes the shell, be equipped with the backup pad in the shell, be connected with the buffer layer between shell and the backup pad, shell bilateral symmetry is equipped with first through-hole, the shell middle part is equipped with the second through-hole, be connected with the grid in the second through-hole, the shell is equipped with the recess, recess four corners is equipped with the screw hole, backup pad symmetry fixedly connected with buffering subassembly, buffering subassembly fixedly connected with reinforcing plate.

As a further aspect of the present invention: the size of the first through hole is equal to that of a lampshade of a car lamp, the length and width of the groove is equal to that of a license plate, and the threaded hole is overlapped with the license plate mounting hole.

As a further aspect of the present invention: the buffer layer material comprises shock absorption foam and EPP material.

As a further aspect of the present invention: the buffering subassembly includes the fixing base with backup pad fixed connection, the fixing base articulates there is the second connecting rod, second connecting rod tip articulates there is the third connecting rod, third connecting rod tip fixedly connected with pivot, bearing fixedly connected with and reinforcing plate fixed connection's mounting is passed through in the pivot, pivot fixedly connected with gear, gear engagement has the rack, rack tip fixedly connected with connecting piece, connecting piece other end fixedly connected with fly leaf, two fixedly connected with second spring between the fly leaf.

As a further aspect of the present invention: the second connecting rod is provided with a via hole, the via hole is connected with a pin shaft in a sliding mode, the pin shaft is fixedly connected with a first connecting rod, the first connecting rod is hinged with a sliding block which is connected with a supporting plate in a sliding mode, a first spring is fixedly connected to the side face of the sliding block, and the other end of the first spring is fixedly connected with a fixing plate which is fixedly connected with the supporting plate.

Compared with the prior art, the beneficial effects of the utility model are that: the device is characterized in that the shell is made of plastic, so that the effects of decoration, reduction of the weight of a vehicle body and reduction of injury to pedestrians during collision are achieved, the shell is elastically deformed to buffer during collision, the vehicle body is protected, the buffer layer is arranged to buffer and absorb shock, the pedestrians and the personnel in the vehicle are protected, the buffer assembly is fixed and supported through the support plate and the reinforcing plate, the buffer assembly effectively absorbs and buffers impact force generated by collision, the vehicle is effectively prevented from being damaged, the injury to the collided people is effectively reduced, the pedestrians and the personnel in the vehicle are prevented from being injured, the protection effect is greatly improved, the driving safety requirements of people are met, the reinforcing plate is connected with a vehicle body frame through bolts, the bumper structure is fixed and supported, the reinforcing plate is made of steel, the bumper is guaranteed to have certain strength and rigidity, and is prevented from being broken during collision of the bumper, and the device solves the problem that the existing vehicle bumper structure has limited capacity of absorbing and, the problem that is not enough to satisfy driving safety demand, the utility model has the advantages of reasonable design, just with the preparation, the impact force that can effective absorption and cushion the bumper and receive effectively prevents that the vehicle is impaired and reduces the injury to being hit the pedestrian to prevent that pedestrian and interior personnel are injured, promoted the protecting effect greatly, satisfy people driving safety demand.

Drawings

FIG. 1 is a structural view of a vehicle bumper structure;

FIG. 2 is a view taken along line A of FIG. 1;

fig. 3 is a view from direction B of fig. 2.

In the figure: 1. a housing; 2. a first through hole; 3. a second through hole; 4. a grid; 5. a groove; 6. a threaded hole; 7. a buffer layer; 8. a support plate; 9. a fixing plate; 10. a first spring; 11. a slider; 12. a first link; 13. a pin shaft; 14. a via hole; 15. a second link; 16. a fixed seat; 17. a third link; 18. a rotating shaft; 19. a fixing member; 20. a gear; 21. a rack; 22. a connecting member; 23. a movable plate; 24. a second spring; 25. a reinforcing plate.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, a vehicle bumper structure includes a housing 1, a supporting plate 8 is disposed in the housing 1, a buffer layer 7 is connected between the housing 1 and the supporting plate 8, first through holes 2 are symmetrically disposed on two sides of the housing 1, a second through hole 3 is disposed in the middle of the housing 1, a grid 4 is connected in the second through hole 3, a groove 5 is disposed in the housing 1, threaded holes 6 are disposed on four corners of the groove 5, a buffer assembly is symmetrically and fixedly connected to the supporting plate 8, and a reinforcing plate 25 is fixedly connected to the buffer assembly.

In the embodiment of the utility model, the shell 1 is made of plastic, which can reduce the weight of the vehicle body and the injury to the pedestrian when in collision, the shell 1 can be elastically deformed to buffer when in collision, thereby protecting the vehicle body, the buffer layer 7 is arranged to buffer and absorb shock, and protect the pedestrian and the personnel in the vehicle, the buffer component is fixed and supported by the support plate 8 and the reinforcing plate 25, the buffer component can effectively absorb and buffer the impact force generated by collision, thereby effectively preventing the vehicle from being damaged and reducing the injury to the collided pedestrian, thereby preventing the pedestrian and the personnel in the vehicle from being injured, greatly improving the protection effect, meeting the driving safety requirements of people, the reinforcing plate 25 is connected with the frame of the vehicle body through bolts, fixing and supporting the bumper structure, the reinforcing plate 25 is made of steel, ensuring that the bumper has certain strength and rigidity, and preventing the bumper from being broken when in collision, set up first through-hole 2, conveniently install the car light, set up second through-hole 3 and grid 4, play decorate pleasing to the eye, to spare parts such as automobile body engine dispel the heat the cooling and reduce the air resistance that the car produced when going etc. set up recess 5 and screw hole 6, conveniently install the license plate.

Example 2

Referring to fig. 1, in an embodiment of the present invention, the size of the first through hole 2 is equal to the size of a lamp cover of a car lamp, the length and width of the groove 5 is equal to the size of a license plate, and the threaded hole 6 coincides with a license plate mounting hole.

The utility model discloses an in the embodiment, set up 2 sizes of first through-holes and car light lamp shade size and equal, guarantee that the assembly goes on smoothly to improve assembler's work efficiency, set up recess 5 length and width size and license plate size and equal, play and fix, limiting displacement the license plate, set up screw hole 6 and license plate mounting hole coincidence, improve license plate assembly speed, thereby assembler's work efficiency.

Example 3

Referring to fig. 1, in an embodiment of the present invention, the buffer layer 7 is made of damping foam and EPP material.

The embodiment of the utility model provides an in, the shock attenuation bubble is cotton has good buffering, antidetonation, it is thermal-insulated, it is dampproofing, outside advantages such as anti chemical attack, still have nontoxic, do not absorb water, accord with characteristics such as environmental protection requirement, can not cause the injury to the environment, EPP material except having high heat resistance, high impact energy absorbing capacity, good resilience and thermoformability, recoverable regeneration's advantage in addition, can retrieve the recycle after the car is scrapped, make buffer layer 7 except having good shock-absorbing capacity, can not cause the injury to the environment, and can recycle many times.

Example 4

Referring to fig. 2-3, in an embodiment of the present invention, the buffering assembly includes a fixing base 16 fixedly connected to the supporting plate 8, the fixing base 16 is hinged to a second connecting rod 15, an end of the second connecting rod 15 is hinged to a third connecting rod 17, an end of the third connecting rod 17 is fixedly connected to a rotating shaft 18, the rotating shaft 18 is fixedly connected to a fixing member 19 fixedly connected to a reinforcing plate 25 through a bearing, the rotating shaft 18 is fixedly connected to a gear 20, the gear 20 is engaged with a rack 21, an end of the rack 21 is fixedly connected to a connecting member 22, another end of the connecting member 22 is fixedly connected to a movable plate 23, and two second springs 24 are fixedly connected between the movable plates 23.

In the embodiment of the present invention, the impact force generated by the collision is transmitted to the supporting plate 8 through the housing 1, so that the support plate 8 is deformed and drives the second connecting rod 15 to rotate through the fixing seat 16, the second connecting rod 15 drives the third connecting rod 17 to rotate, the third connecting rod 17 drives the gear 20 to rotate through the rotating shaft 18, the gear 20 is engaged with the rack 21, the rack 21 drives the movable plate 23 to move through the connecting piece 22, thereby applying an external force to the second spring 24 and the second spring 24 generating a reaction force, thereby weakening and buffering the impact force generated by collision, effectively preventing the vehicle from being damaged and reducing the injury to the collided pedestrian, thereby prevent that pedestrian and interior personnel are injured, promoted the safeguard effect greatly, satisfy people's driving safety demand, set up mounting 19, play fixed, the support of countershaft 18, guarantee the stability of motion.

Example 5

Referring to fig. 2-3, in an embodiment of the present invention, the second connecting rod 15 is provided with a via hole 14, the via hole 14 is slidably connected to a pin 13, the pin 13 is fixedly connected to a first connecting rod 12, the first connecting rod 12 is hinged to a slider 11 slidably connected to the supporting plate 8, a first spring 10 is fixedly connected to a side of the slider 11, and another end of the first spring 10 is fixedly connected to a fixing plate 9 fixedly connected to the supporting plate 8.

The utility model discloses an in the embodiment, when second connecting rod 15 rotates, via hole 14 slides with round pin axle 13 in the second connecting rod 15, round pin axle 13 drives slider 11 through first connecting rod 12 and slides along backup pad 8, fixed plate 9 is fixed, slider 11 compresses first spring 10, first spring 10 produces reaction force, thereby further weaken and the buffering to the impact force that bumps the production, effectively prevent that the vehicle is impaired and reduce the injury to being hit the pedestrian, thereby prevent pedestrian and interior personnel injury, the protecting effect has been promoted greatly, satisfy people's driving safety demand.

The utility model discloses a theory of operation is: impact force generated by collision is transmitted to the supporting plate 8 through the shell 1, so that the supporting plate 8 deforms and drives the second connecting rod 15 to rotate through the fixing seat 16, the second connecting rod 15 drives the third connecting rod 17 to rotate, the third connecting rod 17 drives the gear 20 to rotate through the rotating shaft 18, the gear 20 is meshed with the rack 21, the rack 21 drives the movable plate 23 to move through the connecting piece 22, so that external force is applied to the second spring 24, the second spring 24 generates reaction force, so that impact force generated by collision is weakened and buffered, damage to a vehicle and damage to a collided person are effectively prevented, so that the pedestrian and the vehicle interior person are prevented from being injured, the protection effect is greatly improved, the driving safety requirements of people are met, the shell 1 is made of plastic, decoration is achieved, the weight of the vehicle body is reduced, damage to the pedestrian is reduced during collision, and elastic deformation of the shell 1 during collision is buffered, thereby the protection automobile body cushions the shock attenuation through buffer layer 7, protects pedestrian and interior personnel, and reinforcing plate 25 passes through the bolt to be connected with the automobile body frame, fixes, supports bumper structure, and reinforcing plate 25 material is steel, guarantees that the bumper has certain intensity and rigidity, fracture when preventing the bumper collision.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a vehicle bumper structure, includes shell (1), be equipped with backup pad (8) in shell (1), be connected with buffer layer (7) between shell (1) and backup pad (8), its characterized in that, shell (1) bilateral symmetry is equipped with first through-hole (2), shell (1) middle part is equipped with second through-hole (3), second through-hole (3) in-connection has grid (4), shell (1) is equipped with recess (5), recess (5) four corners is equipped with screw hole (6), backup pad (8) symmetry fixedly connected with buffering subassembly, buffering subassembly fixedly connected with reinforcing plate (25).

2. The vehicle bumper structure according to claim 1, wherein the first through hole (2) has a size equal to that of a lamp cover of a vehicle lamp, the groove (5) has a length and a width equal to that of a license plate, and the threaded hole (6) coincides with a license plate mounting hole.

3. Vehicle bumper structure according to claim 2, characterized in that the cushioning layer (7) is made of a damping foam and EPP material.

4. The vehicle bumper structure according to claim 3, wherein the buffer assembly comprises a fixed seat (16) fixedly connected with the support plate (8), the fixed seat (16) is hinged with a second connecting rod (15), the end part of the second connecting rod (15) is hinged with a third connecting rod (17), the end part of the third connecting rod (17) is fixedly connected with a rotating shaft (18), the rotating shaft (18) is fixedly connected with a fixing part (19) fixedly connected with a reinforcing plate (25) through a bearing, the rotating shaft (18) is fixedly connected with a gear (20), the gear (20) is meshed with a rack (21), the end part of the rack (21) is fixedly connected with a connecting part (22), the other end of the connecting part (22) is fixedly connected with a movable plate (23), and a second spring (24) is fixedly connected between the two movable plates (23).

5. The vehicle bumper structure according to claim 4, wherein the second connecting rod (15) is provided with a through hole (14), the through hole (14) is slidably connected with a pin (13), the pin (13) is fixedly connected with a first connecting rod (12), the first connecting rod (12) is hinged with a sliding block (11) which is slidably connected with the supporting plate (8), the side surface of the sliding block (11) is fixedly connected with a first spring (10), and the other end of the first spring (10) is fixedly connected with a fixing plate (9) which is fixedly connected with the supporting plate (8).