CN215621840U

CN215621840U - High-efficiency energy-absorbing type automobile bumper

Info

Publication number: CN215621840U
Application number: CN202121809072.2U
Authority: CN
Inventors: 朱方红
Original assignee: Changzhou Huasheng Auto Accessories Co ltd
Current assignee: Changzhou Huasheng Auto Accessories Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-25
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a high-efficiency energy-absorbing type automobile bumper, which comprises a first bumper and a second bumper positioned at the outer side of the first bumper, wherein a connecting mechanism is arranged between the first bumper and the second bumper, the connecting mechanism comprises a connecting block fixedly connected with the outer surface of the second bumper, a threaded rod fixedly connected with one side of the connecting block, a limiting block fixedly connected with the inner side of the first bumper, and one end of the threaded rod sequentially penetrates through the second bumper and the limiting block to be in threaded connection with a nut, and is sleeved with a spring on the outer surface of the threaded rod: the second bumper comprises outer coat, the plastic layer that is located outer coat inboard and the buffering that is located the plastic layer inboard energy-absorbing layer. Through setting up two-stage buffering energy-absorbing structure, make things convenient for this bumper can be better cushion the energy-absorbing, reduce the influence that the striking brought to protect passenger and pedestrian.

Description

High-efficiency energy-absorbing type automobile bumper

Technical Field

The utility model relates to the technical field of automobile bumpers, in particular to a high-efficiency energy-absorbing automobile bumper.

Background

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 provided with safety devices which absorb and buffer the external impact force and protect the automobile body and passengers.

With the increasing importance of people on automobile safety, the requirements on bumpers are also higher, but the existing bumpers do not have good buffering and energy absorbing functions and cannot achieve good protection, and therefore a high-efficiency energy-absorbing automobile bumper is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the high-efficiency energy-absorbing automobile bumper, and the bumper can better absorb energy through the arrangement of the two-stage buffering energy-absorbing structure, so that the impact caused by impact is reduced, and passengers and pedestrians are protected.

In order to solve the technical problems, the utility model provides the following technical scheme: high-efficient energy-absorbing formula car bumper, include first bumper and the second bumper that is located the first bumper outside, be equipped with coupling mechanism between first bumper and the second bumper, coupling mechanism include the connecting block with second bumper external surface fixed connection, with connecting block one side fixed connection's threaded rod, with the inboard fixed connection's of first bumper stopper, and second bumper and stopper and nut threaded connection, the spring that cup joints with the threaded rod surface are passed in proper order to the one end of threaded rod: the second bumper comprises outer coat, the plastic layer that is located outer coat inboard and the buffering that is located the plastic layer inboard energy-absorbing layer.

As a preferable technical scheme of the utility model, the buffering energy absorption layer is composed of two connecting plastic plates and a plurality of first energy absorption buffering bodies positioned between the two connecting plastic plates, and a second energy absorption buffering body is arranged inside each first energy absorption buffering body.

In a preferred embodiment of the present invention, the first bumper includes a main bumper and two sub-bumpers symmetrically disposed on both sides of the main bumper.

As a preferable aspect of the present invention, the number of the connecting mechanisms is set to six, two of which are located between the middle of the first bumper and the inner side of the main bumper, and the other four of which are located between both sides of the first bumper and the inner sides of the two sub-bumpers, respectively.

As a preferable technical scheme of the utility model, a plurality of the first energy-absorbing buffer bodies and a plurality of the second energy-absorbing buffer bodies can be made of buffer foam.

As a preferable technical scheme of the utility model, the sections of a plurality of the first energy-absorbing buffering bodies can be respectively set to be semi-annular, and the sections of a plurality of the second energy-absorbing buffering bodies can be respectively set to be hollow triangles.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. when the whole bumper is impacted, the first bumper is firstly stressed by external force to extrude the buffering energy absorption layer, so that the buffering energy absorption layer buffers and absorbs energy, and the influence caused by the impact is reduced;

2. two vice bumpers are connected with the both sides of first bumper through two sets of coupling mechanism that correspond respectively, and main bumper is connected through the middle part of a set of coupling mechanism and first bumper, conveniently divide into three whole bumper, and main bumper is damaged more easily, during the damage, can carry out solitary change to main bumper, and the bumper of the integral type of avoiding originally is whole to be scrapped.

Drawings

FIG. 1 is a schematic view of a first bumper and a second bumper of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the attachment of a first bumper and a second bumper of the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3B;

wherein: 1. a first bumper; 2. a second bumper; 3. a main bumper; 4. a secondary bumper; 5. an outer paint skin; 6. a plastic layer; 7. a buffer energy absorbing layer; 8. connecting blocks; 9. a threaded rod; 10. a limiting block; 11. a second energy-absorbing buffer body; 12. a nut; 13. a spring; 14. connecting the plastic plates; 15. the first energy absorption buffer body.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, high-efficient energy-absorbing formula car bumper, including first bumper 1 and the second bumper 2 that is located the 1 outside of first bumper, be equipped with coupling mechanism between first bumper 1 and the second bumper 2, coupling mechanism includes connecting block 8 with 2 outer fixed surface of second bumper be connected, with connecting block 8 one side fixed connection's threaded rod 9, with 1 inboard fixed connection's of first bumper stopper 10, and the one end of threaded rod 9 passes second bumper 2 and stopper 10 and nut 12 threaded connection in proper order, spring 13 that cup joints with the 9 outer surfaces of threaded rod: the second bumper 2 consists of an outer paint coat 5, a plastic layer 6 positioned on the inner side of the outer paint coat 5 and a buffering energy absorption layer 7 positioned on the inner side of the plastic layer 6;

when whole bumper receives the striking, first bumper 1 receives external power earlier, thereby extrude buffering energy absorbing layer 7, make buffering energy absorbing layer 7 buffering energy-absorbing, thereby reduce the influence that the striking brought, first bumper 1 receives pressure and moves backward, drive threaded rod 9 and remove, and connecting block 8 compression spring 13 simultaneously, make spring 13 deformation, utilize spring 13's deformation to cushion the energy-absorbing, reduce the influence that the striking brought once more, plastic layer 6 is made by plastics, also can the certain degree go up the deformation buffering, carry out the energy-absorbing, this design is through setting up two-stage buffering energy-absorbing structure, make things convenient for the buffering energy-absorbing that can be better of this bumper, reduce the influence that the striking brought, thereby protect driver and pedestrian.

In other embodiments, the energy absorption buffer layer 7 is composed of two connecting plastic plates 14 and a plurality of first energy absorption buffer bodies 15 positioned between the two connecting plastic plates 14, and a second energy absorption buffer body 11 is arranged inside each first energy absorption buffer body 15;

when buffering the energy absorption layer 7 and receiving the impact of energy, can connect plastic slab 14 and can extrude first energy absorption buffering body 15 for first energy absorption buffering body 15 is deformed, carry out the energy-absorbing buffering, when still having the impact force, first energy absorption buffering body 15 can extrude second energy absorption buffering body 11, make second energy absorption buffering body 11 deformation, carry out the energy-absorbing buffering, can carry out good energy-absorbing buffering through this buffering energy absorption layer 7, the influence that greatly reduced striking brought.

In other embodiments, the first bumper 1 includes a main bumper 3 and two sub-bumpers 4 symmetrically disposed at both sides of the main bumper 3, respectively;

the convenience is divided into three with whole bumper, and main bumper 3 damages more easily, during the damage, can carry out solitary change to main bumper 3, avoids the bumper of the integral type originally whole to scrap.

In other embodiments, the number of the connecting mechanisms is set to six, two of which are located between the middle of the first bumper 1 and the inner side of the main bumper 3, and the other four of which are located between both sides of the first bumper 1 and the inner sides of the two sub-bumpers 4, respectively;

make things convenient for two vice bumpers 4 to be connected through two sets of coupling mechanism that correspond respectively and first bumper 1's both sides, main bumper 3 is connected through a set of coupling mechanism and first bumper 1's middle part, and single coupling mechanism's quantity is six among three coupling mechanism of group, during the installation, can pass the through-hole of reserving on first bumper 1 and the stopper 10 with threaded rod 9 in proper order, then utilize nut 12 to fix can.

In other embodiments, both the first plurality of energy-absorbing impact bodies 15 and the second plurality of energy-absorbing impact bodies 11 may be made of cushioning foam;

the impact caused by bumper impact is greatly reduced by utilizing the good buffering and energy absorption performance of the foam.

In other embodiments, the sections of the first energy-absorbing buffers 15 can be semi-circular, and the sections of the second energy-absorbing buffers 11 can be hollow triangles;

the first energy-absorbing buffer body 15 and the second energy-absorbing buffer body 11 can have enough deformation space conveniently, so that a good buffering energy-absorbing effect is generated, and the first bumper 1 can be supported.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. High-efficient energy-absorbing formula car bumper, its characterized in that: including first bumper (1) and second bumper (2) that are located first bumper (1) outside, be equipped with coupling mechanism between first bumper (1) and second bumper (2), coupling mechanism includes connecting block (8) with second bumper (2) surface fixed connection, threaded rod (9) with connecting block (8) one side fixed connection, stopper (10) with first bumper (1) inboard fixed connection, and the one end of threaded rod (9) passes second bumper (2) and stopper (10) and nut (12) threaded connection in proper order, spring (13) that cup joint with threaded rod (9) surface: the second bumper (2) is composed of an outer paint coat (5), a plastic layer (6) located on the inner side of the outer paint coat (5) and a buffering energy absorption layer (7) located on the inner side of the plastic layer (6).

2. The energy efficient energy absorbing automobile bumper of claim 1, wherein: the buffering energy absorption layer (7) is composed of two connecting plastic plates (14) and a plurality of first energy absorption buffering bodies (15) positioned between the two connecting plastic plates (14), and a second energy absorption buffering body (11) is arranged inside each first energy absorption buffering body (15).

3. The energy efficient energy absorbing automobile bumper of claim 1, wherein: the first bumper (1) comprises a main bumper (3) and two auxiliary bumpers (4) which are symmetrically arranged on two sides of the main bumper (3) respectively.

4. The energy efficient energy absorbing automobile bumper of claim 1, wherein: the number of the connecting mechanisms is six, two of the connecting mechanisms are located between the middle of the first bumper (1) and the inner side of the main bumper (3), and the other four connecting mechanisms are located between two sides of the first bumper (1) and the inner sides of the two auxiliary bumpers (4) respectively.

5. The energy efficient energy absorbing automobile bumper of claim 2, wherein: the first energy-absorbing buffer bodies (15) and the second energy-absorbing buffer bodies (11) can be made of buffer foam.

6. The energy efficient energy absorbing automobile bumper of claim 2, wherein: the sections of the first energy-absorbing buffer bodies (15) can be semi-annular, and the sections of the second energy-absorbing buffer bodies (11) can be hollow triangles.