CN215155034U

CN215155034U - Additional strengthening of A post

Info

Publication number: CN215155034U
Application number: CN202120311326.1U
Authority: CN
Inventors: 颜先华; 李文健
Original assignee: Smart Automobile Co Ltd
Current assignee: Zhejiang Zhima Intelligent Technology Co Ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-12-14
Anticipated expiration: 2031-02-03

Abstract

The utility model provides a reinforced structure of A post belongs to automobile body technical field. It has solved the not enough technical problem of waiting of intensity of current A post. This additional strengthening of A post, A post include A post panel beating, additional strengthening includes the main support, and the main support has the installation cavity, its characterized in that, additional strengthening is still including the auxiliary stand that is located the installation cavity, the auxiliary stand sets up along automobile body direction of height, auxiliary stand upper portion and lower part all link firmly with the main support mutually, the left part and the right part of auxiliary stand link firmly with A post panel beating and main support respectively. The utility model provides the intensity of A post.

Description

Additional strengthening of A post

Technical Field

The utility model belongs to the technical field of the automobile body, concretely relates to additional strengthening of A post.

Background

With the release of the C-IASI evaluation rule, the small offset frontal collision becomes one of the key tests for the design and development of new products of automobile enterprises. The passenger car A column is an important connecting structure of a front cabin and a passenger cabin, and plays a decisive role in passenger living space in the front collision of the car. The deformation of the A column during collision affects the living space of passengers in the vehicle on one hand, and the opening performance of the door of the collided vehicle on the other hand, and determines whether the passengers can evacuate smoothly.

According to the traditional A-pillar reinforcing scheme, a n-shaped bracket is added in a cavity of the A-pillar, and the X-direction bearing capacity of the A-pillar is increased by transversely or longitudinally arranging the n-shaped bracket. However, this type of bracket is welded to the a-pillar only through a certain side or a few welding points, and has a limited load-bearing capacity, and it is difficult to cope with high-strength impact of a small offset collision. And then the integral rearward displacement of the A column is increased, the risk of injury of passengers in the vehicle is improved, and meanwhile, the problem that the front vehicle door cannot be opened after collision is solved, so that the difficulty of rescuing the passengers in the vehicle after collision is improved.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a additional strengthening of A post, the utility model aims to solve the technical problem that: how to increase the strength of the a-pillar.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a additional strengthening of A post, A post include A post panel beating, additional strengthening includes the main support, and the main support has the installation cavity, its characterized in that, additional strengthening is still including the auxiliary stand that is located the installation cavity, the auxiliary stand sets up along automobile body direction of height, auxiliary stand upper portion and lower part all link firmly with the main support mutually, the left part and the right part of auxiliary stand link firmly with A post panel beating and main support respectively.

This additional strengthening includes main support and the assistant support that links to each other with the A post panel beating, the assistant support sets up in the installation cavity of main support, the A post panel beating, main support and assistant support three link firmly and form rigid connection, the rigidity of A post has been increased, the intensity of A post has been improved promptly, it is at the collision in-process to resist the vehicle, effectively improve the anti deformability of the A post on the collision biography power route, when the vehicle receives the front offset collision especially when little offset collision, can effectively reduce the deformation of door frame, the security performance of vehicle under the harsh collision condition is improved.

In the above-mentioned additional strengthening of A post, the auxiliary stand includes the plate body, the plate body has the contained angle with automobile body direction of height between. Because the plate body has an included angle relative to the height direction of the vehicle body, when the vehicle receives small offset collision, a force transmission path of the collision is differentiated through the obliquely arranged plate body, and the structural strength of the A column of the vehicle is improved when the vehicle is in small offset collision.

In the above-mentioned additional strengthening of A post, the main support includes roof, bottom plate and curb plate, and the cross-section of main support is the nearly font, and roof and bottom plate are located between curb plate and the A post panel beating, the upper portion and the lower part of plate body are turned over respectively towards plate body both sides and are rolled over and have a turn-ups and end turn-ups, and the turn-ups links to each other with the roof, and end turn-ups links to each other with the bottom plate. The n-shaped main support is mainly used for increasing the X-direction collision bearing capacity of the A column, the top flanging and the bottom flanging on the plate body are respectively connected with the top plate and the bottom plate, and when collision occurs, the plate body can bear impact loads from the top plate and the bottom plate, so that the structural strength of the A column is improved.

In the above-mentioned additional strengthening of A post, the left part and the right part of plate body are equipped with respectively towards plate body both sides turn over left turn-ups and turn over right turn-ups of turning over, and left turn-ups and turn over right turn-ups link firmly with A post panel beating and curb plate respectively. The left flanging and the right flanging on the plate body are fixedly connected with the A column metal plate and the side plate respectively, and when the plate body collides, the impact force on the A column is transmitted to the side plate through the left flanging, the plate body and the right flanging, so that the structural strength of the A column is improved.

In the reinforcing structure of the column A, the turning directions of the top turned edge and the bottom turned edge are opposite, and the turning directions of the left turned edge and the right turned edge are opposite. The turning directions of the top turned edge and the bottom turned edge are opposite, and the turning directions of the left turned edge and the right turned edge are opposite, so that the structural strength of the auxiliary support can be improved, the structural strength of the auxiliary support after the auxiliary support is connected with the main support is higher, and the structural strength of the A column is further improved.

In the reinforcing structure of the A column, reinforcing grooves are formed among the plate body, the left flanging, the right flanging, the top flanging and the bottom flanging. The structural strength between the plate body and the left flanging, the right flanging, the top flanging and the bottom flanging can be improved through the arrangement of the reinforcing grooves, so that the structural strength of the auxiliary support is improved, and the strength of the A column can be improved better by the reinforcing structure of the A column.

In the reinforcing structure of the A column, one side edges, far away from the side plates, of the top plate and the bottom plate in the width direction of the vehicle body are both outwards turned and provided with the first connecting flanges, and the first connecting flanges are connected with the A column metal plate. The arrangement of the first connecting flange enables the bottom plate and the top plate to directly accept the Y-direction impact force on the A column, and the structural strength of the A column is improved.

In the reinforcing structure of the A column, the two ends of the top plate and the bottom plate in the length direction of the vehicle body are both outwards turned with the connecting flanges II, and the connecting flanges II are connected with the A column metal plate. The arrangement of the second connecting flange enables the top plate and the bottom plate to directly accept the X-direction impact force on the A column, and the structural strength of the A column is improved.

Compared with the prior art, the utility model has the advantages of it is following:

1. through this additional strengthening, can improve the section rigidity of A post in X, Y, Z three directions, promote the anti-torsion performance of A post in the collision, keep the stability of A post structure in the collision.

2. The plate body has an included angle relative to the height direction of the vehicle body, so that when the vehicle receives small offset collision, a force transmission path of the collision is differentiated through the obliquely arranged plate body, and the structural strength of the A column of the vehicle is improved when the vehicle is in small offset collision.

Drawings

Fig. 1 is a schematic perspective view of the reinforcing structure connected with an a-pillar metal plate.

Fig. 2 is a schematic perspective view of the present reinforcing structure.

Fig. 3 is a schematic view of the reinforcing structure from one of the viewing angles.

Fig. 4 is a perspective view of the main support.

Fig. 5 is a perspective view of the sub-mount.

In the figure, 1, A column metal plate; 2. a main support; 2a, a top plate; 2b, a bottom plate; 2c, side plates; 2d, connecting the first flanging; 2e, connecting a second flanging; 3. a sub-mount; 3a, a plate body; 3b, carrying out top flanging; 3c, bottom flanging; 3d, left flanging; 3e, right flanging; 3f, reinforcing the groove; 4. and (7) installing a cavity.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, the A column comprises an A column metal plate 1, the A column metal plate 1 forms a mounting groove through stamping, and the reinforcing structure is located in the mounting groove and fixedly connected with the wall of the mounting groove.

As shown in fig. 1 to 5, the present reinforcing structure includes a main bracket 2 and a sub-bracket 3, the main bracket 2 includes a top plate 2a, a bottom plate 2b and side plates 2c, and the main bracket 2 has a cross-section in a zigzag shape. One side edges, far away from the side plate 2c, of the top plate 2a and the bottom plate 2b in the width direction of the vehicle body are both provided with a first connecting flanging 2d in an outward turning mode, and the first connecting flanging 2d is connected with the A-pillar metal plate 1; the two ends of the top plate 2a and the two ends of the bottom plate 2b in the length direction of the vehicle body are both outwards turned with a second connecting flange 2e, and the second connecting flange 2e is connected with the A-column metal plate 1.

Specifically, connect turn-ups one 2d and link to each other with the diapire on the mounting groove, connect turn-ups two 2e and link to each other with the both sides wall on the mounting groove, connect turn-ups one 2d and connect turn-ups two 2e and pass through welded connection with being connected between the A post panel beating 1. In small offset collision, the arrangement of the connecting flange I2 d enables the bottom plate 2b and the top plate 2a to directly bear the Y-direction impact force on the A column; the arrangement of the second connecting flanging 2e enables the top plate 2a and the bottom plate 2b to directly bear the X-direction impact force on the A column, and therefore the structural strength of the A column is improved.

As shown in fig. 1 to 4, the main bracket 2 is provided with an installation cavity 4 between a top plate 2a, a bottom plate 2b and a side plate 2c, the auxiliary bracket 3 is arranged in the installation cavity 4, the auxiliary bracket 3 is arranged along the height direction of the vehicle body, the upper part of the auxiliary bracket 3 is connected with the top plate 2a, the lower part of the auxiliary bracket 3 is connected with the inner wall of the bottom plate 2b, the right part of the auxiliary bracket 3 is connected with the side plate 2c, and the left part of the auxiliary bracket 3 is connected with the bottom wall of the installation cavity and fixed on the a-column metal plate 1.

Specifically, as shown in fig. 3, the sub-bracket 3 includes a plate body 3a, the plate body 3a is disposed along the height direction of the vehicle body, and an included angle is formed between the plate body 3a and the bracket in the height direction of the vehicle body. Further, the plate 3a has an included angle with respect to a YZ plane in the coordinate system. When the vehicle receives a small offset collision, a force transmission path of the collision is differentiated through the obliquely arranged plate body 3a, so that the structural strength of the A column of the vehicle is improved during the small offset collision.

As shown in fig. 2, 3 and 5, the upper portion and the lower portion of the plate body 3a are respectively folded with a top flange 3b and a bottom flange 3c toward two sides of the plate body 3a, the top flange 3b is fixedly connected with the top plate 2a by welding, and the bottom flange 3c is fixedly connected with the bottom plate 2b by welding. The left part and the right part of the plate body 3a are respectively provided with a left turned edge 3d and a right turned edge 3e which are turned over towards the two sides of the plate body 3a, and the left turned edge 3d and the right turned edge 3e are respectively fixedly connected with the A column metal plate 1 and the side plate 2c in a welding mode.

As shown in fig. 5, the top flange 3b and the bottom flange 3c are turned in opposite directions, and the left flange 3d and the right flange 3e are turned in opposite directions. The turning directions of the left turned edge 3d, the right turned edge 3e, the top turned edge 3b and the bottom turned edge 3c are opposite, so that the structural strength of the auxiliary support 3 is improved, the structural strength of the auxiliary support 3 after being connected with the main support 2 is higher, the welding is facilitated, and the rigidity in the Y, Z direction is improved.

Further, as shown in fig. 2, 3 and 5, a reinforcing groove 3f is provided between the plate body 3a and the left turned edge 3d, the right turned edge 3e, the top turned edge 3b and the bottom turned edge 3 c. Through the setting up of strengthening recess 3f can promote the plate body 3a and the structural strength between left turn-ups 3d, right turn-ups 3e, top turn-ups 3b and the end turn-ups 3c to make the structural strength of auxiliary stand 3 itself promote, the intensity of promotion A post that the additional strengthening that makes the A post can be better.

Further, as shown in fig. 1 to 4, a yielding notch is formed in the side plate 2c of the main bracket 2 along the length direction of the vehicle body, so that the auxiliary bracket 3 can be conveniently welded to the main bracket 2.

The main bracket 2 and the auxiliary bracket 3 in the reinforcing structure are both processed by adopting a high-strength rigid punch forming process. The design forms of the main support 2 and the auxiliary support 3 reduce the production requirement on the reinforcing structure, the requirement on the development of a die is lower, the difficulty of part stamping production can be effectively simplified, the part stamping production is convenient to punch and weld, and the operation difficulty of workers is reduced.

In this reinforcing structure, there are 7 tie points promptly between main support 2 and secondary support 3 and A post panel beating 1, provide X, Y, Z three cross sectional direction's reinforcing effect for the A post.

Example two

This embodiment is substantially the same as the above-mentioned embodiment, and in this embodiment, the top flange 3b is fixedly connected with the top plate 2a through a fastener, and the bottom flange 3c is fixedly connected with the bottom plate 2b through a fastener. The left turned edge 3d and the right turned edge 3e are fixedly connected with the A column metal plate 1 and the side plate 2c through fasteners respectively.

The vehicle height direction herein corresponds to the Z direction, the vehicle length direction corresponds to the X direction, and the vehicle width direction corresponds to the Y direction.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms a-pillar sheet metal, main support, top and bottom panels, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a reinforced structure of A post, A post include A post panel beating (1), reinforced structure includes main support (2), has installation cavity (4) on main support (2), a serial communication port, reinforced structure is still including being located auxiliary stand (3) of installation cavity (4), auxiliary stand (3) set up along automobile body direction of height, auxiliary stand (3) upper portion and lower part all link firmly with main support (2) mutually, the left part and the right part of auxiliary stand (3) link firmly with A post panel beating (1) and main support (2) respectively.

2. A pillar reinforcement according to claim 1, characterized in that the subframe (3) comprises a plate body (3a), the plate body (3a) having an angle with the height direction of the vehicle body.

3. The reinforcing structure of the A column according to claim 2, wherein the main support (2) comprises a top plate (2a), a bottom plate (2b) and side plates (2c), the cross section of the main support (2) is in a shape like a Chinese character 'ji', the top plate (2a) and the bottom plate (2b) are located between the side plates (2c) and the A column metal plate (1), the upper portion and the lower portion of the plate body (3a) are respectively provided with a top flanging (3b) and a bottom flanging (3c) towards two sides of the plate body (3a), the top flanging (3b) is connected with the top plate (2a), and the bottom flanging (3c) is connected with the bottom plate (2 b).

4. The reinforcing structure of the A column according to claim 3, wherein the left part and the right part of the plate body (3a) are respectively provided with a left flanging (3d) and a right flanging (3e) which are turned over towards the two sides of the plate body (3a), and the left flanging (3d) and the right flanging (3e) are respectively fixedly connected with the A column metal plate (1) and the side plate (2 c).

5. A pillar reinforcement according to claim 4, characterized in that the top flange (3b) and the bottom flange (3c) are folded in opposite directions, and the left flange (3d) and the right flange (3e) are folded in opposite directions.

6. The reinforcing structure of the A-pillar according to claim 5, wherein reinforcing grooves (3f) are formed among the plate body (3a), the left turned edge (3d), the right turned edge (3e), the top turned edge (3b) and the bottom turned edge (3 c).

7. The reinforcing structure of the A column according to claim 3, wherein one side edge of the top plate (2a) and the bottom plate (2b) far away from the side plate (2c) in the width direction of the vehicle body is provided with a first connecting flange (2d) in a folded mode, and the first connecting flange (2d) is connected with the A column metal plate (1).

8. The A-pillar reinforcing structure according to claim 7, wherein two ends of the top plate (2a) and the bottom plate (2b) in the length direction of the vehicle body are respectively outwardly turned with a second connecting flange (2e), and the second connecting flanges (2e) are connected with the A-pillar metal plate (1).