CN218316571U

CN218316571U - Rear bumper beam

Info

Publication number: CN218316571U
Application number: CN202222229038.9U
Authority: CN
Inventors: 陈再付; 黎伟红; 邱春晓; 余辉; 任微武; 余光飞; 余忠核; 薛耿铭; 余欣诺
Original assignee: Zhejiang Longji Auto Parts Stock Co ltd
Current assignee: Zhejiang Longji Auto Parts Stock Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-17
Anticipated expiration: 2032-08-23

Abstract

The utility model relates to a buffer beam field discloses back buffer beam, including first buffer beam, a side surface of first buffer beam is provided with the second connecting block, the equal fixedly connected with attenuator in inside of first connecting block and second connecting block and third connecting block, the flexible end fixedly connected with second buffer beam of attenuator, the inside fixedly connected with third buffer board of second buffer beam, the inside fixedly connected with fixed plate of first buffer beam, first buffer beam's first buffer board of inside fixedly connected with and second buffer board. The utility model discloses in, when receiving the striking, the impact can be at first acted on the second bumper beam, because the support of the inside fixedly connected with third bumper beam of second bumper beam can reduce partial impact, and the second bumper beam is connected with the attenuator with the adjacent side of first bumper beam, again because the one end of attenuator links to each other with first bumper beam, so first bumper beam and attenuator can reduce partial impact again.

Description

Rear bumper beam

Technical Field

The utility model relates to a bumper beam field especially relates to back bumper beam.

Background

Along with modern society's continuous development, goods, personnel's circulation are bigger and bigger, and automobile transportation is essential link, but the automobile exercise on the road inevitable have the bump, all install the bumper beam on present automobile and be used for protecting the automobile, but present bumper beam is hollow iron pipe mostly, and the inside welding has the buffer board or is provided with the closed chamber and is used for the buffering, then at the front end of fixed connection at the automobile and rear end surface.

But the existing bumper beam has no particularly ideal buffering effect, little or no blocking to the impact force when being impacted, and very unsatisfactory protection effect to the automobile, and the bumper beam is not easy to detach when being damaged, and is very troublesome to maintain and replace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rear bumper beam.

In order to achieve the above purpose, the utility model adopts the following technical scheme: rear bumper beam, including first bumper beam, the both ends of first bumper beam are provided with first connecting block and third connecting block respectively, a side surface of first bumper beam is provided with the second connecting block, the equal fixedly connected with attenuator in inside of first connecting block and second connecting block and third connecting block, the flexible end fixedly connected with second bumper beam of attenuator, the inside fixedly connected with third buffer board of second bumper beam, the inside fixedly connected with fixed plate of first bumper beam, first buffer board of inside fixedly connected with and the second buffer board of first bumper beam, the upper surface of first bumper beam is provided with three second bolt hole.

As a further description of the above technical solution:

three through holes are formed in the surface of one side of the first buffer beam, and one end of the damper is arranged on the inner wall of each through hole.

As a further description of the above technical solution:

and the inner wall of the second bolt hole is in threaded connection with a bolt.

As a further description of the above technical solution:

the upper surface of the second connecting block is provided with a first bolt hole, and the inner wall of the first bolt hole is in threaded connection with the outer wall of the bolt.

As a further description of the above technical solution:

the upper surfaces of the first connecting block and the third connecting block are provided with first bolt holes.

As a further description of the above technical solution:

and one ends of the first connecting block, the second connecting block and the third connecting block are provided with sliding grooves.

As a further description of the above technical solution:

the lower surface of the fixing plate is fixedly connected to the tops of the first buffer plate and the second buffer plate.

As a further description of the above technical solution:

the first buffer beam is connected to the inner wall of the sliding groove in a sliding mode.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, when receiving the striking, the impact can be at first acted on the second bumper beam, because the support of the inside fixedly connected with third bumper plate of second bumper beam, can reduce partial impact under the effect of third bumper plate, the second bumper beam is connected with the attenuator with the adjacent side of first bumper beam, can reduce partial impact under the effect of attenuator, because the one end of attenuator links to each other with first bumper beam, so first bumper beam and attenuator can reduce partial impact again when receiving the striking, better protection to the car has been realized.

2. The utility model discloses in, when the bumper beam appears damaging and needs the maintenance, twist and move the bolt, make the bolt take out from the bolt hole, just can separate first bumper beam and connecting block when the bolt is taken out, can dismantle first bumper beam, the pulling attenuator, can make attenuator and connecting block separation, because the attenuator is fixed connection with the second bumper beam, the second bumper beam just can be taken off with the connecting block to the separation attenuator, the dismantlement of second bumper beam has been realized, the maintenance and the change of first bumper beam and second bumper beam have been made things convenient for.

Drawings

Fig. 1 is a schematic view of a first bumper beam of a rear bumper beam according to the present invention;

fig. 2 is an exploded view of the rear bumper beam according to the present invention;

fig. 3 is a cross-sectional view of the rear bumper beam provided by the present invention.

Illustration of the drawings:

1. a first bumper beam; 2. a second bumper beam; 3. a first connection block; 4. a second connecting block; 5. a third connecting block; 6. a first bolt hole; 7. a through hole; 8. a second bolt hole; 9. a bolt; 10. a damper; 11. a third buffer plate; 12. a chute; 13. a first buffer plate; 14. a fixing plate; 15. a second buffer plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: rear bumper beam, including first bumper beam 1, the both ends of first bumper beam 1 are provided with first connecting block 3 and third connecting block 5 respectively, a side surface of first bumper beam 1 is provided with second connecting block 4, first bumper beam 1 passes through bolt 9 and connects first connecting block 3, second connecting block 4 and third connecting block 5, the equal fixedly connected with attenuator 10 in inside of first connecting block 3 and second connecting block 4 and third connecting block 5, the flexible fixedly connected with second bumper beam 2 of attenuator 10, can reduce partial impact under the effect of attenuator 10 when the impact appears, pulling attenuator 10 can make attenuator 10 and connecting block separation, thereby the dismantlement of second bumper beam 2 has been realized, the inside fixedly connected with third bumper beam 11 of second bumper beam 2, third bumper plate 11 can play the effect of buffering impact, the inside fixedly connected with fixed plate 14 of first bumper beam 1, the inside fixedly connected with first bumper beam 1 has first bumper plate 13 and second bumper plate 15, first bumper plate 13 and second bumper plate 15 can play the effect of buffering, first bumper plate 15 can closely set up first bumper beam 1 and second bumper beam 8 through the bolt hole through first bumper beam 9, first bumper beam 1 and second bumper beam 1 can closely set up the bolt hole through first bumper beam 8, first bumper beam 1 and second bumper beam 9.

One side surface of first bumper beam 1 is provided with three through-hole 7, the one end setting of attenuator 10 is at the inner wall of through-hole 7, pulling attenuator 10 can make attenuator 10 and first bumper beam 1 separate, the inner wall threaded connection of second bolt hole 8 has bolt 9, the upper surface of second connecting block 4 is provided with first bolt hole 6, the inner wall threaded connection of first bolt hole 6 is at the outer wall of bolt 9, the upper surface of first connecting block 3 and third connecting block 5 all is provided with first bolt hole 6, twist bolt 9, make bolt 9 separate from first bolt hole 6 and second bolt hole 8, just can separate first bumper beam 1 and connecting block when bolt 9 is taken out, the one end of first connecting block 3 and second connecting block 4 and third connecting block 5 all is provided with spout 12, fixed surface connects the top at first bumper plate 13 and second bumper plate 15 under the fixed plate 14, the outer surface sliding connection of first bumper beam 1 is at the inner wall of spout 12, can play the effect of first bumper beam 1 and first connecting block 3 and second bumper beam 4 and third bumper beam 5 and first connecting block 5 and the fixed connection piece of first bumper beam 10 and third bumper beam 5 through the bolt hole 6 and the setting of bolt hole 8.

The working principle is as follows: when the bumper is impacted, because the second bumper beam 2 is positioned at the outer side of the first bumper beam 1, impact force can firstly act on the second bumper beam 2, because the inside of the second bumper beam 2 is fixedly connected with the support of the third bumper plate 11, part of impact force can be reduced under the action of the third bumper plate 11, a damper 10 is arranged at the adjacent side of the second bumper beam 2 and the first bumper beam 1, part of impact force can be reduced under the action of the damper 10 when the bumper is impacted, the damper 10 is connected to the first bumper beam 1 through the through hole 7, the inside of the first bumper beam 1 is fixedly connected with the first bumper plate 13 and the second bumper plate 15, when the impact force is met, part of impact force can be reduced under the action of the first bumper plate 13 and the second bumper plate 15, when the first bumper beam 1 or the second bumper beam 2 is damaged and needs to be maintained, the bolt 9 is screwed, the bolt 9 is taken out of the first bolt 6 and the second bolt hole 8, when the bolt 9 is taken out, the first bumper beam 1 can be separated from the second bumper beam 1, the buffer 1 can be connected with the second bumper beam 2, the first bumper beam 2 can be conveniently replaced, the buffer 2, the connecting block 10 can be conveniently pulled, and the second bumper beam 10 can be connected with the buffer 2, and the buffer beam connecting block can be conveniently pulled, and the buffer beam connecting block can be replaced, and the buffer beam connecting block 10, and the buffer beam.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Back bumper beam, including first bumper beam (1), its characterized in that: the utility model discloses a bumper beam, including first bumper beam (1), first connecting block (3) and third connecting block (5), a side surface of first bumper beam (1) is provided with second connecting block (4), the equal fixedly connected with attenuator (10) in inside of first connecting block (3) and second connecting block (4) and third connecting block (5), the flexible end fixedly connected with second bumper beam (2) of attenuator (10), the inside fixedly connected with third buffer board (11) of second bumper beam (2), the inside fixedly connected with fixed plate (14) of first bumper beam (1), the inside fixedly connected with first buffer board (13) and second buffer board (15) of first bumper beam (1), the upper surface of first bumper beam (1) is provided with three second bolt hole (8).

2. The rear bumper beam defined in claim 1, wherein: three through holes (7) are formed in the surface of one side of the first buffer beam (1), and one end of the damper (10) is arranged on the inner wall of each through hole (7).

3. The rear bumper beam defined in claim 1, wherein: and the inner wall of the second bolt hole (8) is in threaded connection with a bolt (9).

4. The rear bumper beam defined in claim 1, wherein: the upper surface of second connecting block (4) is provided with first bolt hole (6), the inner wall threaded connection of first bolt hole (6) is at the outer wall of bolt (9).

5. The rear bumper beam defined in claim 1, wherein: the upper surface of first connecting block (3) and third connecting block (5) all is provided with first bolt hole (6).

6. The rear bumper beam defined in claim 1, wherein: one end of the first connecting block (3), one end of the second connecting block (4) and one end of the third connecting block (5) are all provided with sliding grooves (12).

7. The rear bumper beam defined in claim 1, wherein: the lower surface of the fixing plate (14) is fixedly connected to the tops of the first buffer plate (13) and the second buffer plate (15).

8. The rear bumper beam defined in claim 6, wherein: the first buffer beam (1) is connected to the inner wall of the sliding groove (12) in a sliding mode.