CN204915840U - Roof side rail of car A post - Google Patents

Abstract

The utility model provides an upper beam of an A-pillar of an automobile, which belongs to the technical field of automobiles. It solves the technical problems of insufficient connection strength between the upper side beam of the automobile and the front beam of the roof of the automobile in the prior art. The upper side beam includes an outer panel body, which has a beam connecting plate, which is located in the middle of the outer panel body and is fixedly connected with the front beam of the car roof. The outer panel body and the beam connecting plate are integrally formed. The upper side beam has higher strength, which improves the safety performance of the vehicle.

Description

An upper beam of an automobile A-pillar

technical field

The utility model belongs to the technical field of automobiles and relates to an upper beam of an A-pillar of an automobile.

Background technique

The upper beam of the A-pillar of the car is a structural component connecting the A-pillar and the C-pillar of the car. It can strengthen the overall strength of the car body and ensure the stability of the passenger compartment structure. It plays a vital role in protecting the frontal collision of the car. In the existing technology, the upper side beam of the A-pillar of the automobile is a segmented structure, including the outer panel, the inner panel, the main reinforcement beam of the upper side beam and the middle and rear section reinforcement beam of the upper side beam, which are connected to each other by spot welding. The disadvantage of the upper side beam of the A-pillar is that when there is a problem with the welding quality, it is easy to cause insufficient welding boundary strength, thereby affecting the overall connection strength. The Chinese utility model patent with the authorized announcement number CN201999071U discloses an automobile upper left side beam, including the left upper side beam body, which is an integrally formed and continuous component, and several mounting holes and positioning holes are provided on the top surface. The left upper side beam overcomes the defects of the segmented upper side beam structure. However, the upper side beam is not provided with a connecting piece that is fixedly connected to the roof beam of the car, resulting in insufficient connection strength between the upper side beam and the roof beam of the car, which affects the overall performance of the vehicle. safety performance.

Contents of the invention

The utility model aims at the above-mentioned problems existing in the prior art, and provides a top side beam of an automobile A-pillar. The technical problem to be solved by the utility model is: how to increase the connection strength between the top side beam and the front beam of the car roof.

The purpose of this utility model can be achieved through the following technical solutions:

An upper beam of an A-pillar of an automobile, the automobile includes a front beam of an automobile roof, characterized in that the upper beam includes an outer panel body, and the outer panel body has a beam connecting plate, and the beam connecting plate is located on the outer panel body The middle part is fixedly connected with the front crossbeam of the automobile roof, and the outer panel body and the crossbeam connecting plate are integrally formed.

The working principle of the utility model is: the outer plate body of the upper beam of the A-pillar and the connecting plate of the cross beam are integrally formed. This structure increases the strength of the upper beam and can effectively reduce the bending degree of the upper beam when the car is in frontal collision. , to ensure the structural stability of the passenger compartment; the outer panel body of the roof sill is fixedly connected to the front beam of the roof of the car through the beam connecting plate, which has greater strength than the structure in which the roof beam is directly connected to the front beam of the roof of the car. Because the beam connecting plate plays a strengthening role. The beam connection plate and the outer plate body are integrally formed, which has a better strengthening effect than the reinforcement plate fixed on the upper side beam by welding or bolt connection.

In the above-mentioned upper side beam of the A-pillar of an automobile, a reinforcing rib 1 is fixed on the crossbeam connecting plate, the outer end of the crossbeam connecting plate is a free end, and the inner end of the crossbeam connecting plate is connected to the outer plate body, and the reinforcement Rib one extends from the outer end of the beam connection plate to the inner end of the beam connection plate. The reinforcing rib 1 is arranged on the crossbeam connecting plate, which improves the strength of the crossbeam connecting plate, and further increases the connection strength between the upper side beam and the front crossbeam of the automobile roof.

In the upper side beam of the A-pillar of an automobile mentioned above, there are 2-4 reinforcing ribs, and each reinforcing rib is arranged side by side on the crossbeam connecting plate. The greater the number of ribs, the higher the strength of the beam connecting plate.

In the above-mentioned upper side beam of an A-pillar of an automobile, the middle part of the outer panel body is fixed with a raised reinforcing rib two, and the second reinforcing rib is arranged along the length direction of the outer panel body. The middle part of the outer panel body is provided with a raised reinforcing rib 2, which can improve the strength of the outer panel body, so that the outer panel body has better impact resistance, and can reduce the deformation of the upper side beam caused by the impact when the car is in a frontal collision.

In the above-mentioned upper side beam of an automobile A-pillar, the automobile includes an A-pillar, a B-pillar and a C-pillar, the front end of the outer panel body is fixedly connected to the A-pillar of the automobile, and the rear end of the outer panel body is fixedly connected to the C-pillar of the automobile , the middle part of the outer panel body is fixedly connected with the B-pillar of the automobile, the front end of the outer panel body is bent inward, and the outer panel body is arc-shaped. The outer plate body of the upper side beam is curved, and the upper side beam is bent and deformed during the frontal collision of the vehicle, which can effectively absorb the collision energy and play the role of cushioning the collision force, thereby improving the safety performance of the vehicle.

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

1. The structure of the outer plate body of the upper side beam and the connecting plate of the cross beam of the utility model is integrally formed. This structure can effectively reduce the bending degree of the upper side beam of the A-pillar during a frontal collision, ensure the structural stability of the passenger compartment, and optimize the The force transmission path on the top of the car body during a frontal collision; the outer panel body of the upper side beam is fixedly connected to the front beam of the car roof through the beam connecting plate, which increases the connection strength between the upper side beam and the front beam of the car roof and ensures the integrity of the force transmission path sex.

2. The outer panel body of the upper side beam of the utility model is fixed with raised ribs 2, which improves the strength of the outer panel body and makes the outer panel body have better impact resistance. Deformation of the small upper side beam caused by the impact.

3. The outer plate body of the upper side beam of the utility model is arc-shaped, and the upper side beam is bent and deformed during the frontal collision of the vehicle, which can effectively absorb the collision energy and play the role of buffering the collision force, thereby improving the safety of the vehicle. safety performance.

Description of drawings

Fig. 1 is a structural representation of the utility model.

Fig. 2 is a schematic diagram of the upper side beam connected to the A-pillar, B-pillar and C-pillar of the automobile.

In the figure, 1. Outer panel body; 11. Rib 2; 2. Beam connecting plate; 21. Rib 1; 22. Free end; 3. Front beam of the car roof; 4. A-pillar; 5. B-pillar; 6. C-pillar.

Detailed ways

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

As shown in Figure 1-2, the car includes a front beam 3, an A-pillar 4, a B-pillar 5, and a C-pillar 6. The plate 2 is located in the middle of the outer panel body 1 and is fixedly connected with the front beam 3 of the car roof. The outer panel body 1 and the beam connecting plate 2 are integrally formed. This structure increases the strength of the upper side beam and can effectively reduce the The degree of bending of the roof beam during a collision ensures the structural stability of the passenger compartment; the outer panel body 1 of the roof beam is fixedly connected to the front beam 3 of the roof of the car through the beam connecting plate 2, compared with the roof beam directly connected to the front of the roof of the car. The structure connected by the crossbeam 3 has greater strength, because the crossbeam connecting plate 2 plays a strengthening role.

As shown in Figure 2, the front end of the outer panel body 1 is fixedly connected with the A-pillar 4 of the automobile, the rear end of the outer panel body 1 is fixedly connected with the C-pillar 6 of the automobile, and the middle part of the outer panel body 1 is fixedly connected with the B-pillar 5 of the automobile. The outer panel body 1 is fixedly connected with the A-pillar 4 , B-pillar 5 and C-pillar 6 of the automobile by spot welding, the front end of the outer panel body 1 is bent inward, and the outer panel body 1 is arc-shaped. The outer panel body 1 of the roof rail is curved, and the roof rail is bent and deformed during a frontal collision of the vehicle, which can effectively absorb collision energy and play a role in cushioning the collision force, thereby improving the safety performance of the vehicle. There is no leakage hole on the outer plate body 1 of the roof sill, and the leakage hole is arranged on the inner plate of the roof sill, which avoids the problem of bending and deformation near the leakage hole in the event of an offset collision, and ensures the strength of the roof sill And the integrity of the force transmission path.

As shown in FIG. 1 , a raised rib 2 11 is fixed in the middle of the outer panel body 1 , and the rib 2 11 is arranged along the length direction of the outer panel body 1 . The middle part of the outer panel body 1 is provided with a raised rib 2 11, which can increase the strength of the outer panel body 1, make the outer panel body 1 have better impact resistance, and reduce the impact on the upper side beam when the car is in a frontal collision. resulting deformation. The crossbeam connecting plate 2 is fixed with a stiffener 21, the outer end of the crossbeam connecting plate 2 is a free end 22, the inner end of the crossbeam connecting plate 2 is connected on the outer plate body 1, and the reinforcing rib 1 21 extends from the outer end of the crossbeam connecting plate 2. Extend to the inner end of the beam connecting plate 2. The reinforcing rib 1 21 is set on the crossbeam connecting plate 2, which improves the strength of the crossbeam connecting plate 2, and further increases the connection strength between the top side beam and the front crossbeam 3 of the automobile roof. There can be 2-4 reinforcing ribs-21, and each reinforcing rib-21 is arranged side by side on the beam connecting plate 2. The more the number of reinforcing ribs 21 is, the higher the strength of the crossbeam connecting plate 2 is.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Claims (5)

1. the roof rail of an automobile A column, automobile comprises automobile roof front beam (3), it is characterized in that, described roof rail comprises outside plate body (1), described outside plate body (1) has cross-beam connecting plate (2), described cross-beam connecting plate (2) is positioned at the middle part of outside plate body (1) and is connected with automobile roof front beam (3), the structure that described outside plate body (1) and cross-beam connecting plate (2) are formed in one.

2. the roof rail of automobile A column according to claim 1, it is characterized in that, described cross-beam connecting plate (2) is fixed with reinforced rib one (21), the outer end of described cross-beam connecting plate (2) is free end (22), the inner of cross-beam connecting plate (2) is connected on outside plate body (1), and described reinforced rib one (21) extends to the inner of cross-beam connecting plate (2) from the outer end of cross-beam connecting plate (2).

3. the roof rail of automobile A column according to claim 2, is characterized in that, described reinforced rib one (21) is 2-4 bar, and each reinforced rib one (21) is arranged side by side on cross-beam connecting plate (2).

4. the roof rail of the automobile A column according to claim 1 or 2 or 3, it is characterized in that, the middle part of described outside plate body (1) is fixed with protruding reinforced rib two (11), and described reinforced rib two (11) is arranged along the length direction of outside plate body (1).

5. the roof rail of automobile A column according to claim 4, it is characterized in that, automobile comprises A post (4), B post (5) and C post (6), front end and the automobile A column (5) of described outside plate body (1) are connected, rear end and the automotive C column (7) of outside plate body (1) are connected, middle part and the automobile B-column (6) of outside plate body (1) are connected, the front end of outside plate body (1) curves inwardly, and outside plate body (1) is curved.