CN212685735U - Roof side rail additional strengthening and car - Google Patents
Roof side rail additional strengthening and car Download PDFInfo
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- CN212685735U CN212685735U CN202021206818.6U CN202021206818U CN212685735U CN 212685735 U CN212685735 U CN 212685735U CN 202021206818 U CN202021206818 U CN 202021206818U CN 212685735 U CN212685735 U CN 212685735U
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- roof side
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- inner panel
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Abstract
The utility model provides a roof side rail additional strengthening, including preceding installing support, inner panel assembly, planking assembly and reinforcing plate, inner panel assembly and planking assembly concatenation form by the last boundary beam that the front longitudinal reaches A post department, the end of last boundary beam with the top of A post is connected, the reinforcing plate by the bottom surface downwardly extending of last boundary beam extremely the middle part of A post, preceding installing support include interconnect's last installed part and lower installed part. The utility model provides a roof side rail additional strengthening includes the reinforcing plate, and this reinforcing plate extends to on the A post from the bottom surface of roof side rail, has increased the collision force transmission route of this roof side rail structure and A post, has promoted power transmission efficiency and has improved the collision performance of roof side rail structure; simultaneously this preceding installing support includes installed part and installed part down respectively, has realized the roof side rail respectively with preceding longeron and preceding sub vehicle frame mounting point between fixed. The utility model also provides a pair of car, including foretell roof side rail additional strengthening.
Description
Technical Field
The utility model belongs to the technical field of the car body structure technique and specifically relates to a roof side rail additional strengthening and car is related to.
Background
With the continuous development of automobile technology and the increasingly strict requirements for collision safety, people have higher and higher requirements for the safety of vehicles. In order to be able to increase the strength and the crash performance of the vehicle cabin, the body structure of the motor vehicle is constantly being optimized and improved. The upper side beam structure in the front engine room is a mounting structure for longitudinally connecting the front longitudinal beam and the A column, the continuity of a stress frame path is ensured, and part of the impact force generated by the impact of the main longitudinal beam is transmitted and absorbed, so that the injury to passengers is reduced, and the living space of the passengers is protected. The front end of the existing upper edge beam structure is connected with the front longitudinal beam through a simple support structure, and a closed and coherent beam structure is adopted in the middle. However, the existing roof side rail structure has the following defects: firstly, the frame connection between the upper edge beam structure and the front longitudinal beam is not connected; and secondly, the connection strength between the rear end of the upper side beam structure and the A column is insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the frame attach between roof side rail structure front end and the front longitudinal in the current car and do not link up, the not enough shortcoming of joint strength of rear end and A post provides a roof side rail additional strengthening.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a roof side rail additional strengthening, includes preceding installing support, inner panel assembly, planking assembly and reinforcing plate, the inner panel assembly with the planking assembly concatenation forms the roof side rail that extends to A post department by the front longitudinal, the end of roof side rail with the top of A post is connected, the reinforcing plate by the bottom surface downwardly extending of roof side rail extremely the middle part of A post, preceding installing support includes interconnect's last installed part and lower installed part, it will to go up the installed part the front end of roof side rail with front longitudinal fixed connection, the installed part will down the front end and the preceding sub vehicle frame mounting point fixed connection of roof side rail.
Further, the inner plate assembly includes a first inner plate, and the outer plate assembly includes a first outer plate; the first inner plate and the first outer plate are enclosed to form a first closed cavity with a square cross section, and the first closed cavity extends upwards from the front longitudinal beam and is bent backwards to form a bent section of the upper side beam.
Furthermore, the first inner plate is a first bending plate with an L-shaped cross section, the first outer plate is a second bending plate with an L-shaped cross section, first flanges attached to the second bending plate are arranged on two side edges of the first bending plate, and the first inner plate is fixed on two side edges of the first outer plate through the first flanges.
Further, the inner plate assembly further comprises a second inner plate fixedly connected with the rear end of the first inner plate, the outer plate assembly further comprises a second outer plate fixedly connected with the rear end of the first outer plate, the second inner plate and the second outer plate are surrounded to form a second closed cavity with the cross-sectional area gradually increasing in the front-rear direction, and the second closed cavity is formed by extending the rear end of the bent section of the upper edge beam to the top of the A column to form a connecting section of the upper edge beam.
Specifically, the inner panel assembly further includes a reinforcement panel disposed within the second inner panel, the reinforcement panel being welded to an inner surface of the second inner panel.
Specifically, the bottom of second planking is provided with the step face of downwardly extending, the reinforcing plate includes outer reinforcing plate, interior connecting plate and the interior reinforcing plate that splices each other and form the third closed cavity, the front end of third closed cavity with the second planking the step face overlap joint, the back end of third closed cavity is fixed in the middle part of A post.
Further, the upper mounting piece comprises two vertical plates which are oppositely arranged and a connecting plate which is connected with the vertical plates, and second flanges connected with the front longitudinal beam are arranged on the vertical plates.
Specifically, a third flanging fixedly connected with the first inner plate is arranged on the connecting plate, and the vertical plate and the third flanging of the upper mounting piece are fixedly connected with the front end of the first closed cavity.
Furthermore, the lower mounting piece comprises a bending plate with a U-shaped cross section, an opening for inserting the front end of the first closed cavity is formed in the top of the bending plate, and a fourth flanging fixedly connected with the mounting point of the front auxiliary frame is arranged on the side face of the bending plate.
The utility model provides a roof side rail additional strengthening's beneficial effect lies in: the roof side rail structure also comprises a reinforcing plate, the reinforcing plate extends from the bottom surface of the roof side rail to the A column, so that the transmission path of the collision force between the roof side rail structure and the A column is increased, the force transmission efficiency is improved, and the collision performance of the roof side rail structure is improved; simultaneously this preceding installing support includes installed part and installed part down respectively, has realized the roof side rail respectively with preceding longeron and preceding sub vehicle frame mounting point between fixed.
The utility model also provides an automobile, including foretell roof beam additional strengthening.
The utility model provides a beneficial effect of car lies in: the upper side beam reinforcing structure is adopted, so that the upper side beam structure in the front auxiliary frame of the automobile can be better fixedly connected with the mounting point of the front auxiliary frame, the rigidity of the mounting point of the front auxiliary frame is effectively improved, the dynamic rigidity of the front auxiliary frame is improved, the NVH performance of the automobile is met, meanwhile, the reinforcing plate included in the upper side beam structure also increases the force transmission path during collision, and the overall collision performance of the front auxiliary frame is improved.
Drawings
Fig. 1 is a schematic perspective view of a roof side rail reinforcing structure provided by the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of a roof side rail reinforcement structure connected to a front auxiliary support of an automobile according to the present invention;
FIG. 3 is a side view of a roof side rail reinforcement structure of the present invention connected to a front sub-frame of an automobile;
FIG. 4 is a partial cross-sectional view A-A of FIG. 3;
FIG. 5 is a partial cross-sectional view of B-B of FIG. 3;
FIG. 6 is a partial cross-sectional view of C-C of FIG. 3;
fig. 7 is a schematic view of a three-dimensional structure of a front mounting bracket in a roof side rail reinforcing structure provided by the present invention.
In the figure: 100-a top side rail reinforcing structure, 200-A columns, 300-front longitudinal beams and 400-front auxiliary frame mounting points; 10-a front mounting bracket, 11-an upper mounting piece, 111-a vertical plate, 112-a connecting plate, 113-a second flanging, 114-a third flanging, 12-a lower mounting piece, 121-a bending piece, 122-an opening, 123-a fourth flanging, 110-a first closed cavity, 120-a second closed cavity, 130-a third closed cavity, 20-an inner plate assembly, 21-a first inner plate, 211-a first flanging, 22-a second inner plate, 221-an inner reinforcement piece, 30-an outer plate assembly, 31-a first outer plate, 32-a second outer plate, 321-a step surface, 40-a reinforcing plate, 41-an inner reinforcing plate, 42-an inner connecting plate and 43-an outer reinforcing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-7, in order to provide a roof side rail reinforcement structure 100 of the present invention, the roof side rail reinforcement structure 100 is disposed on a front subframe of a vehicle for forming an effective longitudinal connection between a front longitudinal beam 300 and an a-pillar 200.
As shown in fig. 1, the present invention provides a roof side rail reinforcing structure 100 including a front mounting bracket 10, an inner panel assembly 20, an outer panel assembly 30, and a reinforcing panel 40. In the present embodiment, the front mounting bracket 10, the inner assembly 20, the outer assembly 30, and the reinforcing plate 40 are all steel stamped parts, and are welded to each other to form a reinforcing structure. The inner plate assembly 20 and the outer plate assembly 30 are spliced to form a roof side rail extending from the front side rail 300 to the a-pillar 200, and the end of the roof side rail is connected to the top of the a-pillar 200. The roof side rail in the roof side rail reinforcing structure 100 is formed by spot welding and splicing the inner plate assembly 20 and the outer plate assembly 30 from the inner side and the outer side of the front side rail 300, and extends from the front end of the front side rail 300 upwards and backwards to the top of the a-pillar 200, so that a force transmission path is formed, which extends from the front end of the front side rail 300 to the a-pillar 200. The utility model provides a roof side rail additional strengthening 100 still includes reinforcing plate 40, and this reinforcing plate 40 is by the bottom surface downwardly extending of roof side rail to the middle part of A post 200. The front end of this reinforcing plate 40 is fixed in the bottom of roof side rail to extend another power transmission path that is connected to on A post 200 on the bottom surface by the roof side rail, not only increased whole roof side rail additional strengthening's power transmission path, still can promote whole roof side rail additional strengthening's 100 holistic continuity simultaneously, promote whole roof side rail additional strengthening's 100 crash performance.
Further, as shown in fig. 1 and 7, in the roof side rail reinforcing structure 100 provided by the present invention, the front mounting bracket 10 includes an upper mounting member 11 and a lower mounting member 12 that are connected to each other, the upper mounting member 11 fixedly connects the front end of the roof side rail to the front longitudinal beam 300, and the lower mounting member 12 fixedly connects the front end of the roof side rail to the front subframe mounting point 400. The front mounting bracket 10 not only fixes the front end of the roof side rail to the side of the front side member 300, but also fixes the front end of the roof side rail to the front sub frame mounting point 400, thereby increasing the rigidity of the front sub frame mounting point 400.
Further, as shown in fig. 2, the inner panel assembly 20 in the roof side rail includes a first inner panel 21, and the outer panel assembly 30 includes a first outer panel 31; the first inner plate 21 and the first outer plate 31 enclose to form a first closed cavity 110 with a square cross section, and the first closed cavity 110 extends upwards from the front longitudinal beam 300 and is bent backwards to form a bent section of the upper side beam. The first closed cavity 110 is located at a side close to the front side member 300, and extends upward and rearward from the front end of the front side member 300 to form a curved section structure of the upper side member. The front end of the first closed cavity 110 is fixedly connected to the front mounting bracket 10, and the front mounting bracket 10 is used to fixedly connect the roof side rail to the front side rail 300 and the cavity sub-frame mounting point 400.
Specifically, as shown in fig. 4, the first inner plate 21 is a first bent plate having an L-shaped cross section, the first outer plate 31 is a second bent plate having an L-shaped cross section, first flanges 211 attached to the second bent plate are disposed on two sides of the first bent plate, and the first inner plate 21 is fixed to two sides of the first outer plate 31 through the first flanges 211. The first closed cavity 110 enclosed by the first inner portion 21 and the first outer plate 31 has a square cross section and is welded to form a closed arc cavity structure. The first outer plate 31 and the first inner portion 21 are both provided with a reinforcing rib for improving the overall strength of the first enclosed cavity 110.
Further, as shown in fig. 1, the inner plate assembly 20 further includes a second inner plate 22 fixedly connected to the rear end of the first inner plate 21, the outer plate assembly 30 further includes a second outer plate 32 fixedly connected to the rear end of the first outer plate 31, the second inner plate 22 and the second outer plate 32 enclose a second closed cavity 120 having a gradually increasing cross-sectional area in the front-rear direction, and the second closed cavity 120 extends from the rear end of the bent section of the roof side rail to the top of the a-pillar 200 to form a connecting section of the roof side rail. The front end of the second inner panel 22 is welded and fixed to the end of the first inner panel 21. The front end of the second outer plate 32 is fixedly connected with the end of the first outer plate 31, and the second inner portion 22 and the second outer plate 32 are spliced to form a second closed cavity 120. As shown in fig. 3, the second closed chamber 120 has an inner cross-sectional area gradually increasing from the first closed chamber 110 toward the a-pillar 200. The section of the second closed cavity 120 is gradually increased, so that the continuity of the stress frame path of the integral structure of the upper edge beam is ensured, and the collision force generated by direct collision or offset collision is effectively transmitted.
Specifically, as shown in fig. 5, the inner panel assembly 20 further includes a reinforcement panel 221 provided in the second inner panel 22, and the reinforcement panel 221 is welded to an inner surface of the second inner panel 22. The reinforcing plate 221 is disposed inside the second inner plate 22 to increase the overall strength of the entire second enclosed cavity 120. This first closed cavity 110 and the second closed cavity 120's cross-sectional structure all is the design of square font, can integrate the part, reduces the weight of whole upper edge beam structure, satisfies the demand of automobile body lightweight design.
Specifically, as shown in fig. 2, the bottom of the second outer plate 32 is provided with a step surface 321 extending downward, as shown in fig. 6, the reinforcing plate 40 includes an outer reinforcing plate 41, an inner connecting plate 42 and an inner reinforcing plate 42 which are spliced with each other to form the third closed cavity 130, the front end of the third closed cavity 130 overlaps with the step surface 321 of the second outer plate 32, and the rear end of the third closed cavity 130 is fixed to the middle of the a-pillar 200. The third enclosed cavity 130 formed by the stiffener 40 is a second force transmission path extending downward from the bottom of the second enclosed cavity 120 of the roof side rail. The stepped surface 321 extending downward from the bottom of the second outer plate 32 overlaps the third closed cavity 130, so that a second path is derived from the stepped surface 321 and transmitted to the middle of the a-pillar 200, thereby increasing the path and transmission efficiency of the collision force and improving the collision performance.
Further, as shown in fig. 7, the upper mounting member 11 of the front mounting bracket 10 of the present invention includes two vertical plates 111 disposed oppositely and a connecting plate 112 connecting the pair of vertical plates 111, and the vertical plates 111 are provided with second flanges 113 connected to the front longitudinal beam 300. The main function of the upper mounting member 11 is to fix the front end of the roof side rail to the side of the front side rail 300, so that the second convenience 113 provided on the upper mounting member 11 is used to fixedly connect the upper mounting member 11 to the front side rail 300.
Specifically, as shown in fig. 7, the connecting plate 112 is provided with a third flange 114 fixedly connected with the first inner plate 21, and the vertical plate 111 and the third flange 114 of the upper mounting member 11 are fixedly connected with the front end of the first closed cavity 110. The vertical plate 111 and the connecting plate 112 of the upper mounting part 11 are welded and fixed with the first closed cavity 110 of the roof side rail, and the front longitudinal beam 100 and the roof side rail are fixed through the upper mounting part 11.
Further, the lower mounting member 12 in the front mounting bracket 10 includes a bending plate 121 having a U-shaped cross section, an opening 122 is disposed at the top of the bending plate 121 for inserting the front end of the first sealed cavity 110, and a fourth flange 123 fixedly connected to the front subframe mounting point 400 is disposed at the side of the bending plate 121. The main function of the lower mounting member 12 is to extend the front end of the roof side rail to the front subframe mounting point 400, and to increase the attachment of the roof side rail structure to the front subframe mounting point 400, thereby increasing the rigidity of the front subframe mounting point 400.
The utility model provides a roof side rail additional strengthening 100 has increased reinforcing plate 40, and this reinforcing plate 40 extends to the middle part of A post 200 from the bottom surface of roof side rail, has increased the collision force transmission route of this roof side rail structure and A post 200, has promoted power transmission efficiency and has improved the crashworthiness of roof side rail structure, guarantees the stability and the reliability of preceding cabin frame; meanwhile, the front mounting bracket 10 comprises an upper mounting piece 11 and a lower mounting piece 12 respectively, so that the upper edge beam, the front longitudinal beam 300 and the front subframe mounting point 400 are fixed respectively, and the dynamic stiffness of the front subframe and the bending and twisting stiffness modal performance of the body in white can be improved better.
The utility model also provides an automobile, including foretell roof side rail additional strengthening 100. The utility model provides a car has adopted foretell roof side rail additional strengthening 100 for roof side rail structure in the preceding sub vehicle frame of car can be better with preceding sub vehicle frame mounting point 400 fixed connection, thereby the rigidity of preceding sub vehicle frame mounting point 400 has been improved effectively, the dynamic rigidity of preceding sub vehicle frame has been promoted, satisfy the NVH performance of car, the reinforcing plate 40 that includes in this roof side rail additional strengthening 100 simultaneously has also increased the power transmission route when colliding, the whole crashworthiness of preceding sub vehicle frame has been improved.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a roof side rail additional strengthening, its characterized in that, includes preceding installing support, inner panel assembly, planking assembly and reinforcing plate, the inner panel assembly with the planking assembly concatenation forms the roof side rail that extends to A post department by the front longitudinal, the end of roof side rail with the top of A post is connected, the reinforcing plate by the bottom surface downwardly extending of roof side rail extremely the middle part of A post, preceding installing support includes interconnect's last installed part and lower installed part, it will to go up the installed part the front end of roof side rail with front longitudinal fixed connection, the installed part will down the front end and the preceding sub vehicle frame installation point fixed connection of roof side rail.
2. The roof side rail reinforcing arrangement of claim 1, wherein said inner panel assembly includes a first inner panel, said outer panel assembly includes a first outer panel; the first inner plate and the first outer plate are enclosed to form a first closed cavity with a square cross section, and the first closed cavity extends upwards from the front longitudinal beam and is bent backwards to form a bent section of the upper side beam.
3. The roof side rail reinforcing structure of claim 2, wherein the first inner plate is a first bending plate having an L-shaped cross section, the first outer plate is a second bending plate having an L-shaped cross section, first flanges attached to the second bending plate are provided at both side edges of the first bending plate, and the first inner plate is fixed to both side edges of the first outer plate through the first flanges.
4. The roof side rail reinforcing structure of claim 2, wherein the inner panel assembly further comprises a second inner panel fixedly connected to the rear end of the first inner panel, the outer panel assembly further comprises a second outer panel fixedly connected to the rear end of the first outer panel, the second inner panel and the second outer panel surround to form a second closed cavity with a cross-sectional area gradually increasing in the front-rear direction, and the second closed cavity extends from the rear end of the bent section of the roof side rail to the top of the a-pillar to form a connecting section of the roof side rail.
5. The roof side rail reinforcement structure of claim 4, wherein the inner panel assembly further includes a reinforcement panel disposed within the second inner panel, the reinforcement panel being welded to an inner surface of the second inner panel.
6. The roof side rail reinforcing structure of claim 4, wherein the bottom of the second outer panel is provided with a step surface extending downward, the reinforcing plate comprises an outer reinforcing plate, an inner connecting plate and an inner reinforcing plate which are spliced with each other to form a third closed cavity, the front end of the third closed cavity is overlapped with the step surface of the second outer panel, and the rear end of the third closed cavity is fixed to the middle part of the A-pillar.
7. The roof side rail reinforcing structure of claim 2, wherein said upper mounting member includes two vertical plates disposed opposite to each other and a connecting plate connecting a pair of said vertical plates, said vertical plates being provided with second flanges connected to said front side rail.
8. The roof side rail reinforcing structure of claim 7, wherein said connecting plate is provided with a third flange fixedly connected to said first inner panel, and said vertical plate and said third flange of said upper mounting member are fixedly connected to a front end of said first enclosed cavity.
9. The upper edge beam reinforcing structure as claimed in claim 2, wherein the lower mounting member comprises a bent plate having a U-shaped cross section, an opening for inserting the front end of the first closed cavity is formed in the top of the bent plate, and a fourth flange fixedly connected to the mounting point of the front sub-frame is formed on the side of the bent plate.
10. An automobile, characterized by comprising a roof side rail reinforcing structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021206818.6U CN212685735U (en) | 2020-06-24 | 2020-06-24 | Roof side rail additional strengthening and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021206818.6U CN212685735U (en) | 2020-06-24 | 2020-06-24 | Roof side rail additional strengthening and car |
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| Publication Number | Publication Date |
|---|---|
| CN212685735U true CN212685735U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021206818.6U Active CN212685735U (en) | 2020-06-24 | 2020-06-24 | Roof side rail additional strengthening and car |
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| Country | Link |
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| CN (1) | CN212685735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228833A (en) * | 2021-12-31 | 2022-03-25 | 岚图汽车科技有限公司 | Energy absorption structure for small offset collision of automobile and automobile |
| CN114954676A (en) * | 2021-12-31 | 2022-08-30 | 比亚迪股份有限公司 | Vehicle front cabin structure and vehicle |
| CN115257946A (en) * | 2022-07-20 | 2022-11-01 | 岚图汽车科技有限公司 | Preceding cabin roof side rail connection structure and vehicle |
-
2020
- 2020-06-24 CN CN202021206818.6U patent/CN212685735U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228833A (en) * | 2021-12-31 | 2022-03-25 | 岚图汽车科技有限公司 | Energy absorption structure for small offset collision of automobile and automobile |
| CN114954676A (en) * | 2021-12-31 | 2022-08-30 | 比亚迪股份有限公司 | Vehicle front cabin structure and vehicle |
| CN115257946A (en) * | 2022-07-20 | 2022-11-01 | 岚图汽车科技有限公司 | Preceding cabin roof side rail connection structure and vehicle |
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