CN220500455U - Carbon fiber reinforced composite material door anticollision roof beam - Google Patents

Abstract

The utility model discloses a carbon fiber reinforced composite material vehicle door anti-collision beam, which comprises a buffer cavity, wherein the top end of the buffer cavity is fixedly connected with a plurality of buffer support columns, the top end of each buffer support column is fixedly connected with a first force unloading cavity, the inside of each first force unloading cavity is slidably connected with an impact stress head, the side walls of the two sides of the inner wall of each first force unloading cavity are fixedly connected with extension plates, friction holes are formed in the centers of the surfaces of the extension plates, friction columns are slidably connected in the friction holes, inner buckling guide plates are fixedly connected in the buffer cavity, the friction holes formed in the surfaces of the extension plates slide on the friction columns with gradually increased diameters to avoid the damage of the anti-collision beam caused by slight collision, the impact strength can be effectively improved, and the impact force generated during collision can be further reduced by absorbing a certain impact force through deformation of the carbon fiber buckling plates.

Description

Carbon fiber reinforced composite material door anticollision roof beam

Technical Field

The utility model relates to the technical field of vehicle engineering, in particular to a carbon fiber reinforced composite material door anti-collision beam.

Background

In order to strengthen the collision resistance level of the side structure of the automobile body, a door anti-collision beam is arranged between an automobile door inner plate and an automobile door outer plate.

The front door anti-collision beam mainly has two structural shapes, namely a steel pipe structure and a steel plate stamping part structure. The steel pipe structure anti-collision beam has the advantages of simple structure, lighter weight, good manufacturing process and large limitation of arrangement modes. The steel plate stamping part structure anti-collision beam is convenient to arrange, has high production efficiency, but is difficult to form, has high die cost and has larger weight; however, the prior art has the following disadvantages: the existing anti-collision cross beam of the vehicle door is of a structure made of integral rigid materials, the integral material structure can only absorb force generated by collision through deformation of the integral material structure, and the anti-collision capability of the anti-collision cross beam of the vehicle door is relatively poor.

Disclosure of Invention

The utility model mainly aims to provide the carbon fiber reinforced composite material vehicle door anti-collision beam, which is capable of avoiding the damage of the anti-collision beam caused by slight collision by sliding friction holes formed in the surface of the extension plate on friction columns with gradually increasing diameters, effectively improving the anti-collision strength and effectively solving the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a carbon fiber reinforced composite door anticollision roof beam, includes the buffering cavity, the top fixedly connected with of buffering cavity a plurality of buffering support column, the first chamber that unloads of top fixedly connected with of buffering support column, the inside sliding connection of first chamber that unloads the force has the impact stress head, the impact stress head is in the inner wall both sides lateral wall fixedly connected with extension board of first chamber that unloads the force, the friction hole has been seted up to the surface department placed in the middle of extension board, the inside sliding connection of friction hole has the friction post, the inside fixedly connected with of buffering cavity is inner buckling guide board, the carbon fiber buckling board has been placed to the surface of inner buckling guide board, the top fixedly connected with splint of carbon fiber buckling board, the top fixedly connected with of splint slides on the friction post that the diameter gradually increases through the friction hole that the extension board surface and avoids slight crashproof roof beam damage that leads to that bumps into to can effectually promote the intensity of anti-collision and take place the deformation through the carbon fiber buckling board and absorb certain impact force, the impact force that produces when further reducing.

Further, an elastic filling layer is arranged above the clamping plate, and the carbon fiber curling plate is prevented from being broken due to overlarge impact force through the elastic filling layer.

Further, the buffer chamber is internally provided with a force unloading inner cavity, and the extension plate and the friction column are both arranged in the force unloading inner cavity, so that the extension plate can slide on the friction column through the force unloading inner cavity.

Further, the bottom end of the impacted stress head is fixedly connected with an impact conducting plate, and the impact head is impacted through the impact conducting plate.

Further, the anti-collision head, the clamping plate, the elastic filling layer and the carbon fiber rolling plate are integrated, and the two sides of the bottom end of the anti-collision head are provided with the carbon fiber rolling plate, so that the carbon fiber rolling plate can deform in a larger stress range to reduce the force generated by collision through the sequence of the anti-collision head, the elastic filling layer, the clamping plate and the carbon fiber rolling plate.

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

according to the utility model, the friction holes formed in the surface of the extension plate slide on the friction columns with gradually increased diameters to avoid the damage of the anti-collision beam caused by slight collision, the anti-collision strength can be effectively improved, a certain impact force is absorbed through the deformation of the carbon fiber curled plate, and the impact force generated during collision is further reduced to solve the problems.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a carbon fiber reinforced composite door impact beam according to the present utility model.

Fig. 2 is a schematic view of a first force-unloading chamber of a door impact beam made of carbon fiber reinforced composite material according to the present utility model.

Fig. 3 is a schematic view of an anti-collision head of an anti-collision beam of a carbon fiber reinforced composite material vehicle door.

In the figure: 1. a buffer chamber; 2. buffering support columns; 3. the first unloading chamber, 4, the impact stress head; 5. an anti-collision head; 6. a friction hole; 7. an extension plate; 8. a force unloading inner cavity; 9. a friction column; 10. a clamping plate; 11. an elastic filling layer; 12. a carbon fiber curling plate; 13. an inner curl guide plate; 14. strike the conductive plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a carbon fiber reinforced composite door anti-collision beam comprises a buffer chamber 1, the top fixedly connected with a plurality of buffer support columns 2 of buffer chamber 1, the top fixedly connected with first stress chamber 3 that unloads of buffer support column 2, the inside sliding connection of first stress chamber 3 that unloads has receives impact stress head 4, receive impact stress head 4 in the inner wall both sides lateral wall fixedly connected with extension board 7 of first stress chamber 3, the surface department of arranging in the middle of extension board 7 has friction hole 6, friction hole 6's inside sliding connection has friction post 9, the inside fixedly connected with inner buckling guide board 13 of buffer chamber 1, carbon fiber buckling guide board 12 has been placed on the surface of inner buckling guide board 13, the top fixedly connected with splint 10 of carbon fiber buckling guide board 12, the top fixedly connected with anti-collision head 5 of splint 10, the friction hole 6 that opens through extension board 7 surface slides on the friction post 9 that gradually increases in diameter and avoids gently to collide with the beam damage that leads to, and can produce the further impact force through the carbon fiber buckling plate 12 when the effective impact resistance takes place and the deformation of certain fiber through the carbon fiber buckling plate.

As shown in the figure, the elastic filling layer 11 is arranged above the clamping plate 10, the force unloading cavity 8 is formed in the buffer cavity 1, the extension plate 7 and the friction column 9 are arranged in the force unloading cavity 8, the bottom end of the impact stress head 4 is fixedly connected with the impact conducting plate 14, the anti-collision head 5, the clamping plate 10, the elastic filling layer 11 and the carbon fiber rolling plate 12 are integrated, the carbon fiber rolling plate 12 is arranged at two sides of the bottom end of the anti-collision head 5, the force generated by the impact can be reduced by deformation of the carbon fiber rolling plate 12 in a larger stress range through the anti-collision head 5, the impact conducting plate 14 is used for impacting the anti-collision head 5, the extension plate 7 can slide on the friction column 9 through the force unloading cavity 8, and the impact force is avoided to be too large through the elastic filling layer 11, so that the carbon fiber rolling plate 12 is broken.

During operation, during impact, the impact stress head 4 firstly bears impact force, the impact stress head 4 slides along the force unloading inner cavity 8 in the first force unloading chamber 3, the friction holes 6 formed in the surface of the extension plate 7 slide on the periphery of the friction column 9 in a friction manner, so that impact force is reduced, when the impact force is reduced, the impact force is transmitted to the impact head 5 through the impact conductive plate 14 impacting the impact head 5, the impact head 5 absorbs part of force through the elastic filling layer 11 fixed by the clamping plate 10 and transmits the force to the carbon fiber buckling plate 12, the carbon fiber buckling plate 12 absorbs the impact force along the surface of the inner buckling guide plate 13 arranged in the buffer chamber 1 in a curling manner, and the first force unloading chamber 3 is fixed in front of the buffer chamber 1 through the buffer support columns 2.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a carbon fiber reinforced composite door anticollision roof beam, includes cushion chamber (1), its characterized in that, the top fixedly connected with of cushion chamber (1) a plurality of cushion support column (2), the top fixedly connected with of cushion support column (2) is first unloaded power cavity (3), the inside sliding connection of first unloading power cavity (3) has impact stress head (4), impact stress head (4) are in the inner wall both sides lateral wall fixedly connected with extension board (7) of first unloading power cavity (3), friction hole (6) have been seted up in the surface department placed in the middle of extension board (7), the inside sliding connection of friction hole (6) has friction post (9);

the inside fixedly connected with inner coiling guide board (13) of buffering cavity (1), carbon fiber coiling board (12) have been placed to the surface of inner coiling guide board (13), the top fixedly connected with splint (10) of carbon fiber coiling board (12), the top fixedly connected with anticollision head (5) of splint (10).

2. A carbon fiber reinforced composite door impact beam as defined in claim 1, wherein: an elastic filling layer (11) is arranged above the clamping plate (10).

3. A carbon fiber reinforced composite door impact beam as defined in claim 1, wherein: the buffer chamber (1) is internally provided with a force unloading inner cavity (8), and the extension plate (7) and the friction column (9) are arranged in the force unloading inner cavity (8).

4. A carbon fiber reinforced composite door impact beam as defined in claim 1, wherein: the bottom end of the first force unloading chamber (3) is fixedly connected with an impact conducting plate (14).

5. A carbon fiber reinforced composite door impact beam as defined in claim 1, wherein: the anti-collision head (5), the clamping plate (10), the elastic filling layer (11) and the carbon fiber rolling plate (12) are integrated, and the carbon fiber rolling plate (12) is arranged at two sides of the bottom end of the anti-collision head (5).