CN212861645U - Force transmission structure at front part of vehicle body and vehicle body with same - Google Patents
Force transmission structure at front part of vehicle body and vehicle body with same Download PDFInfo
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- CN212861645U CN212861645U CN202021432970.6U CN202021432970U CN212861645U CN 212861645 U CN212861645 U CN 212861645U CN 202021432970 U CN202021432970 U CN 202021432970U CN 212861645 U CN212861645 U CN 212861645U
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Abstract
The utility model provides a anterior biography force structure of automobile body and have vehicle body of this structure, the utility model discloses a anterior biography force structure of automobile body includes cabin longeron, front wheel casing boundary beam, automobile body A post to and threshold roof beam and connection structure, connection structure's front end with the front wheel casing boundary beam links firmly, just connection structure extends to the rear below with the bending form, and makes connection structure's rear end with the threshold roof beam links firmly, the cabin longeron with automobile body A post is close to respectively in the threshold roof beam and link firmly in connection structure's lower part. Anterior biography force structure of automobile body, through the connection structure who sets up with crooked form extension, carry out the connection between each automobile body part, can improve the transmission effect to the collision force.
Description
Technical Field
The utility model relates to a vehicle body structure technical field, in particular to anterior force transmission structure of automobile body, simultaneously, the utility model also relates to a vehicle body with above-mentioned force transmission structure.
Background
The design of the collision force transmission structure at the front part of the vehicle body plays a crucial role in the transmission and absorption of the collision force, and the collision performance of the whole vehicle can be directly influenced by the quality of the design. When a vehicle is in frontal collision, collision force is transmitted to a lower-section reinforcing plate of an A column of the vehicle body through a front wheel cover side beam and a cabin longitudinal beam and then transmitted to a threshold beam through the lower-section reinforcing plate of the A column of the vehicle body. Because in the present design, generally become 90 jiaos between front wheel casing boundary beam and the cabin longeron and the automobile body A post hypomere reinforcing plate and be connected, it can make the impact difficult to the transition transmission to probably cause A post hypomere reinforcing plate directly to take place to warp, and then sheet metal construction invades passenger cabin and extrudees the passenger, and endangers passenger safety.
In addition, there is also generally the difference in height between cabin longeron and front wheel house boundary beam and the threshold roof beam in current design, and this also can lead to the impact can not transmit fast effectively to there is the easy stress concentration's that takes place problem in A post hypomere reinforcing plate and threshold roof beam hookup location. In the collision process, because the collision force can not be transmitted and dispersed in time, the joint of the lower section reinforcing plate of the A column and the doorsill beam can be seriously deformed, and then the metal plate is enabled to invade into a passenger cabin to injure the legs and the feet of the passenger.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a force transmission structure for a front portion of a vehicle body, so as to improve the transmission effect of the collision force.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a anterior biography power structure of automobile body, includes cabin longeron, front wheel house boundary beam, automobile body A post to and threshold roof beam and connection structure, connection structure's front end with the front wheel house boundary beam links firmly, just connection structure extends to the rear below with crooked form, and makes connection structure's rear end with the threshold roof beam links firmly, the cabin longeron with automobile body A post is close to respectively in the threshold roof beam and link firmly in connection structure's lower part.
Furthermore, the connecting structure is provided with two bending parts which are arranged up and down along the extending direction of the connecting structure and have opposite bending directions.
Further, the cabin longitudinal beam and the bending part below the A column of the vehicle body are fixedly connected with the connecting structure.
Further, the connecting structure and the front wheel house edge beam form a first cavity between the connecting structure and the front wheel house edge beam due to the fixed connection.
Further, the A column of the vehicle body is fixedly connected with the connecting structure through a lower section reinforcing plate of the A column.
Further, the threshold roof beam includes threshold roof beam body, and link firmly in the threshold roof beam reinforcing plate in the threshold roof beam body outside, connection structure with threshold roof beam body reaches threshold roof beam reinforcing plate links firmly respectively, and because of link firmly in connection structure threshold roof beam body with it becomes to have the second cavity to enclose the configuration between the threshold roof beam reinforcing plate.
Further, the doorsill beam reinforcing plate patch plate in the second cavity is fixedly connected to the doorsill beam reinforcing plate, and one side of the doorsill beam reinforcing patch plate is connected with the connecting structure.
Furthermore, along the extending direction of the connecting structure, flanges are formed at the edges of two sides of the connecting structure, and reinforcing ribs are constructed on the connecting structure.
Furthermore, the connecting structure is provided with an installation part for installing the lower hinge of the front door.
Compared with the prior art, the utility model discloses following advantage has:
anterior biography force structure of automobile body, through extending the connection structure who sets up with crooked form, carry out the connection between each automobile body part, can make from this and form continuous and gentle transition's biography power route between front wheel casing boundary beam, cabin longeron and the threshold roof beam, and then can overcome not enough among the prior art, improve the transmission effect to the collision force, the deformation in passenger cabin when reducing the collision, and promote passenger's security.
Furthermore, the utility model discloses a first cavity and second cavity to and the setting of threshold roof beam reinforcing plate benefit board, can further improve the transmission absorption effect to the collision force. And the arrangement of the flanges and the reinforcing ribs on the two sides can also improve the strength of the connecting structure, and is beneficial to improving the transmission and dispersion of the collision force among all parts of the vehicle body.
The utility model discloses also provide a vehicle automobile body simultaneously, have promptly in the vehicle automobile body as above anterior force transmission structure of automobile body.
And the utility model discloses an advantage that vehicle automobile body has for prior art is the same with the anterior biography power structure of above-mentioned automobile body, no longer gives unnecessary details here.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a force transmission mechanism at the front of a vehicle body according to a first embodiment of the present invention;
fig. 2 is a schematic view of a connection structure according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a connection structure according to a first embodiment of the present invention at another view angle;
FIG. 4 is a cross-sectional view taken at the position C-C in FIG. 2;
FIG. 5 is a cross-sectional view taken at location D-D of FIG. 2;
FIG. 6 is a cross-sectional view taken at position E-E of FIG. 2;
FIG. 7 is a cross-sectional view taken at the location A-A in FIG. 1;
FIG. 8 is a cross-sectional view taken at the position B-B in FIG. 1;
fig. 9 is a collision force transmission path of a vehicle body front force transmission mechanism according to a first embodiment of the present invention;
description of reference numerals:
1-a cabin longitudinal beam, 2-a front wheel cover side beam, 3-a threshold beam, 4-a vehicle body column A, 5-a connecting structure, 6-a first cavity and 7-a second cavity;
301-sill beam body, 302-sill beam reinforcing plate, 303-sill beam reinforcing plate patch;
401-A column lower section reinforcing plate;
501-mounting part, 502-flanging and 503-reinforcing rib.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
The embodiment relates to a force transmission structure at the front part of a vehicle body, which comprises a cabin longitudinal beam 1, a front wheel cover side beam 2, a vehicle body A column 4, a threshold beam 3 and a connecting structure 5 as shown in figure 1. Wherein, in whole setting, connection structure 5's front end links firmly with front wheel casing boundary beam 2, and this connection structure 5 extends to the rear below with crooked form, and makes link firmly between connection structure 5's rear end and the threshold roof beam 3, in addition, foretell cabin longeron 1 and automobile body A post 4 then are close to respectively in threshold roof beam 3 and link firmly in connection structure 5's lower part.
As shown in fig. 2 and fig. 3 in combination with fig. 4 to fig. 6, the connecting structure 5 of the present embodiment is a sheet metal part as an exemplary structural form, and the sheet metal part can be formed by stamping, and in the exemplary structure, the cross-sectional shapes of different positions of the connecting structure 5 are respectively shown in fig. 4, fig. 5 and fig. 6.
As a preferred embodiment, the connecting structure 5 of the present embodiment also has two bending portions arranged up and down along its extending direction. At this time, for convenience of description, the two bending portions may be referred to as a bending portion m and a bending portion n, respectively, and the bending directions at the bending portion m and the bending portion n are also opposite.
The connection between the front and rear ends of the connecting structure 5 and the front wheel house edge beam 2 and the threshold beam 3 can also be achieved well by the design of the two bending positions on the connecting structure 5. Meanwhile, the connection structure 5 comprising the two bending parts m and n is integrally bent, so that a continuous force transmission path with a gentle transition can be formed among the front wheel house boundary beam 2, the cabin longitudinal beam 1 and the threshold beam 3, and the defects that the front wheel house boundary beam 2, the cabin longitudinal beam 1 and the A column 4 of the automobile body form 90-degree angle connection, the cabin longitudinal beam 1, the front wheel house boundary beam 2 and the threshold beam 3 have height difference and the like in the prior art can be overcome.
In this embodiment, the cabin side member 1 and the body a-pillar 4 are fixedly connected to the connecting structure 5 at the lower bending portion n, and the force transmission from the cabin side member 1 and the body a-pillar 4 to the connecting structure 5 can be ensured by this arrangement. In addition, the a-pillar 4 of the vehicle body of the present embodiment is also specifically fixedly connected to the connecting structure 5 through the a-pillar lower-section reinforcing plate 401 in the vehicle body, and in order to improve the connecting force transmission effect between the front wheel house edge beam 2 and the connecting structure 5, as shown in fig. 7, the present embodiment is also configured such that the connecting structure 5 and the front wheel house edge beam 2 form the first cavity 6 between the two due to the fixed connection, so as to achieve the above-mentioned purpose of improving the connecting force transmission by utilizing the characteristic of the cavity structure with higher structural strength.
As shown in fig. 8, the rocker beam 3 of the present embodiment specifically includes a rocker beam body 301, and a rocker beam gusset 302 attached to an outer side of the rocker beam body 301. The connecting structure 5 is fixedly connected to the rocker beam body 301 and the rocker beam reinforcement plate 302, respectively, and because of this fixed connection, the second cavity 7 is also formed between the connecting structure 5, the rocker beam body 301 and the rocker beam reinforcement plate 302. With the arrangement of the second cavity 7, the force transfer effect of the connection between the connecting structure 5 and the sill beam 3 can be improved.
In order to further improve the effect of transmitting and absorbing the collision force, as shown in fig. 8, a rocker reinforcement patch 303 located in the second cavity 7 may be further fixedly disposed on the rocker reinforcement 302, and one side of the rocker reinforcement patch 303 is also connected to the connecting structure 5. In addition, referring to fig. 2 and 3 again, in the present embodiment, along the extending direction of the connecting structure 5, flanges 502 are also formed at both side edges of the connecting structure 5, and a reinforcing rib 503 is also configured on the connecting structure 5.
The flanging 502 and the reinforcing ribs 503 can be integrally formed on the connecting structure 5 along with the stamping process, the reinforcing ribs 503 can be generally arranged in a long strip shape along the extending direction of the connecting structure 5, and the structural strength of the connecting structure 5 can be well improved by using the flanging 502 and the reinforcing ribs 503, so that the transmission and the dispersion of the collision force between the parts in the front of the vehicle body can be better realized.
In the present embodiment, a mounting portion 501 for mounting the front door lower hinge is also provided on the connecting structure 5, and as an exemplary structure, the mounting portion 501 specifically adopts a boss configured on the connecting structure 5, and a plurality of mounting holes provided on the boss. Of course, in addition to the mounting portion 501 formed by the mounting holes provided on the bosses, the mounting portion 501 of the present embodiment can also adopt other conventional mounting structures for mounting the front door hinge.
In the force transmission structure for the front part of the vehicle body of the present embodiment, the connection structures 5 extending in a curved shape are used to connect the vehicle body components, so that a continuous and gentle transition force transmission path can be formed between the front wheel house side sill 2, the cabin side member 1, and the rocker beam 3, and the deformation of the a pillar 4 of the vehicle body can be reduced, thereby avoiding the occurrence of a stress concentration region, improving the effect of transmitting the collision force, reducing the deformation of the passenger compartment during collision, and improving the safety of passengers.
Example two
The present embodiment relates to a vehicle body, in which the force transmission structure of the front portion of the vehicle body according to the first embodiment is provided, and the vehicle body of the present embodiment can improve the effect of transmitting the collision force from the front portion of the vehicle body by using the force transmission structure according to the first embodiment, and thus has good practicability.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A force transmission structure at the front part of a vehicle body is characterized in that: including cabin longeron (1), front wheel house boundary beam (2), automobile body A post (4) to and threshold roof beam (3) and connection structure (5), the front end of connection structure (5) with front wheel house boundary beam (2) link firmly, just connection structure (5) extend to the rear below with crooked form, and make the rear end of connection structure (5) with threshold roof beam (3) link firmly, cabin longeron (1) with automobile body A post (4) are close to respectively in threshold roof beam (3) and link firmly in the lower part of connection structure (5).
2. A force transfer structure at the front of a vehicle body according to claim 1, characterized in that: the connecting structure (5) is provided with two bending parts (m, n) which are arranged up and down along the extending direction of the connecting structure and have opposite bending directions.
3. A force transfer structure at the front of a vehicle body according to claim 2, characterized in that: the cabin longitudinal beam (1) and the vehicle body A column (4) are fixedly connected with the connecting structure (5) at the lower bending part (n).
4. A force transfer structure at the front of a vehicle body according to claim 1, characterized in that: the connecting structure (5) and the front wheel casing side beam (2) are fixedly connected to form a first cavity (6) between the connecting structure and the front wheel casing side beam.
5. A force transfer structure at the front of a vehicle body according to claim 1, characterized in that: the A column (4) of the vehicle body is fixedly connected with the connecting structure (5) through a lower section reinforcing plate (401) of the A column.
6. A force transfer structure at the front of a vehicle body according to claim 1, characterized in that: threshold roof beam (3) are including threshold roof beam body (301), and link firmly in threshold roof beam reinforcing plate (302) in the threshold roof beam body (301) outside, connection structure (5) with threshold roof beam body (301) reach threshold roof beam reinforcing plate (302) link firmly respectively, and because of link firmly in connection structure (5) threshold roof beam body (301) with it becomes to have second cavity (7) to enclose the configuration between threshold roof beam reinforcing plate (302).
7. The vehicle body front force transmission structure of claim 6, wherein: and the threshold beam reinforcing plate patch (303) in the second cavity (7) is fixedly connected to the threshold beam reinforcing plate (302), and one side of the threshold beam reinforcing plate patch (303) is connected with the connecting structure (5).
8. A force transfer structure at the front of a vehicle body according to claim 1, characterized in that: and flanges (502) are formed at the edges of two sides of the connecting structure (5) along the extending direction of the connecting structure (5), and reinforcing ribs (503) are constructed on the connecting structure (5).
9. The vehicle body front force transmission structure according to any one of claims 1 to 8, wherein: and an installation part (501) for installing the lower hinge of the front door is arranged on the connecting structure (5).
10. A vehicle body, characterized in that: the vehicle body has a front body force transmission structure of any one of claims 1 to 9 therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021432970.6U CN212861645U (en) | 2020-07-20 | 2020-07-20 | Force transmission structure at front part of vehicle body and vehicle body with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021432970.6U CN212861645U (en) | 2020-07-20 | 2020-07-20 | Force transmission structure at front part of vehicle body and vehicle body with same |
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| Publication Number | Publication Date |
|---|---|
| CN212861645U true CN212861645U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021432970.6U Active CN212861645U (en) | 2020-07-20 | 2020-07-20 | Force transmission structure at front part of vehicle body and vehicle body with same |
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| Country | Link |
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| CN (1) | CN212861645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320721A (en) * | 2022-07-20 | 2022-11-11 | 岚图汽车科技有限公司 | Automobile body force transmission device and vehicle |
| WO2023185682A1 (en) * | 2022-03-31 | 2023-10-05 | 长城汽车股份有限公司 | Lower automobile body structure and automobile |
-
2020
- 2020-07-20 CN CN202021432970.6U patent/CN212861645U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185682A1 (en) * | 2022-03-31 | 2023-10-05 | 长城汽车股份有限公司 | Lower automobile body structure and automobile |
| CN115320721A (en) * | 2022-07-20 | 2022-11-11 | 岚图汽车科技有限公司 | Automobile body force transmission device and vehicle |
| CN115320721B (en) * | 2022-07-20 | 2024-01-09 | 岚图汽车科技有限公司 | Vehicle body force transmission device and vehicle |
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