CN212861638U - Side wall back-end inner skin reinforcing plate - Google Patents
Side wall back-end inner skin reinforcing plate Download PDFInfo
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- CN212861638U CN212861638U CN202021785176.XU CN202021785176U CN212861638U CN 212861638 U CN212861638 U CN 212861638U CN 202021785176 U CN202021785176 U CN 202021785176U CN 212861638 U CN212861638 U CN 212861638U
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- closed beam
- beam structure
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Abstract
The utility model discloses a side wall back-end inner skin reinforcing plate, which comprises a lower inner-end reinforcing plate and a doorsill reinforcing plate, wherein the lower inner-end reinforcing plate is arranged on the inner skin in a laminating way, and the doorsill reinforcing plate is connected with the lower inner-end reinforcing plate; the door sill reinforcing plate and the lower inner section reinforcing plate respectively protrude upwards and form a lower inner closed beam structure and a door sill closed beam structure which are communicated with each other, and the reinforcing plate of the technical scheme improves the structural strength and the rigidity performance of a car door frame and a car body structure; the bending and torsional rigidity of the vehicle body structure is improved, and the NVH performance of the vehicle is improved; the lower section of the side wall inner skin is reinforced, so that the tire noise, the road noise and the like are reduced and transmitted into the vehicle, and the riding comfort of the vehicle is improved; the lightening hole design is beneficial to the light weight of the vehicle; has the characteristics of simple structure and low cost.
Description
Technical Field
The utility model relates to an automobile parts field, concretely relates to side wall back end inner skin reinforcing plate.
Background
The structural design of the vehicle body directly determines the structural strength and rigidity performance of the vehicle, and at the same time determines the NVH performance of the vehicle to a great extent. At present, in order to improve the performances of the vehicle body as much as possible, a vehicle body structure is often subjected to a reinforcement design, wherein design schemes such as a frame-shaped framework structure, a local reinforcement structure and the like are widely applied and developed. However, there are some disadvantages in the design process of the vehicle body structure, for example, the frame-shaped framework structure is designed into an open shape, and a closed structure is not formed, and at this time, the frame-shaped framework structure does not fully exert the structural advantages, which results in insufficient rigidity at a local position, and reduced NVH performance.
Therefore, the side wall rear section inner skin reinforcing plate is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the reinforcing plate of the present invention improves the structural strength and rigidity of the door frame and the body structure; the bending and torsional rigidity of the vehicle body structure is improved, and the NVH performance of the vehicle is improved; the lower section of the side wall inner skin is reinforced, so that the tire noise, the road noise and the like are reduced and transmitted into the vehicle, and the riding comfort of the vehicle is improved; the lightening hole design is beneficial to the light weight of the vehicle; has the characteristics of simple structure and low cost.
A side wall rear section inner skin reinforcing plate comprises a lower inner section reinforcing plate and a doorsill reinforcing plate, wherein the lower inner section reinforcing plate is attached to an inner skin, and the doorsill reinforcing plate is connected with the lower inner section reinforcing plate; the doorsill reinforcing plate and the lower inner section reinforcing plate respectively protrude upwards and form a lower inner closed beam structure and a doorsill closed beam structure which are communicated with each other.
Further, the whole threshold closed beam structure is of an inverted T-shaped structure, and the section of one end part of the threshold closed beam structure is of a rectangular structure.
Further, the cross section of the top of the threshold closed beam structure is of a triangle-like structure, the inner side surface of the threshold closed beam structure is arc-shaped, and a first inward flanging structure is formed by bending the inner side surface of the threshold closed beam structure.
Further, the lower inner section reinforcing plate is integrally of an arc-shaped structure, and a second inner flanging structure matched with the first inner flanging structure in a shape fitting manner is formed on the inner side surface of the lower inner closed beam structure.
Further, the outer side surface of the threshold closed beam structure and the outer side surface of the lower inner closed beam structure are bent to form a mounting turnover structure in conformal fit.
Further, a flange step structure for installing a lower inner section reinforcing plate is formed at the other end of the threshold closed beam structure.
Furthermore, a lightening hole of a triangular structure is formed in the top of the threshold closed beam structure, and a waist-shaped hole is formed in the inner side face of the threshold closed beam.
Further, the lower inner closed beam structure and the threshold closed beam structure are both provided with pin positioning holes.
Further, the end part of the lower inner closed beam structure is continuously bent to form a welding faying surface structure.
The utility model has the advantages that:
the reinforcing plate provided by the utility model improves the structural strength and rigidity performance of the car door frame and the car body structure; the bending and torsional rigidity of the vehicle body structure is improved, and the NVH performance of the vehicle is improved; the lower section of the side wall inner skin is reinforced, so that the tire noise, the road noise and the like are reduced and transmitted into the vehicle, and the riding comfort of the vehicle is improved; the lightening hole design is beneficial to the light weight of the vehicle; has the characteristics of simple structure and low cost.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall installation structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the reinforcing plate of the present invention;
FIG. 3 is a schematic view of the structure of the lower inner section stiffener according to the present invention;
fig. 4 is a schematic diagram of the structure of the sill reinforcing plate of the present invention.
Detailed Description
FIG. 1 is a schematic view of the overall installation structure of the present invention; FIG. 2 is a schematic view of the overall structure of the reinforcing plate of the present invention; FIG. 3 is a schematic view of the structure of the lower inner section stiffener according to the present invention; FIG. 4 is a schematic view of a structure of a reinforcing plate of the doorsill of the present invention; as shown in the figure, the side wall rear section inner skin reinforcing plate comprises a lower inner section reinforcing plate 1 and a doorsill reinforcing plate 2, wherein the lower inner section reinforcing plate 1 is attached to the inner skin, and the doorsill reinforcing plate 2 is connected with the lower inner section reinforcing plate 1; the threshold reinforcing plate and the lower inner section reinforcing plate respectively protrude upwards and form a lower inner closed beam structure 11 and a threshold closed beam 21 structure which are communicated with each other. The reinforcing plate of the technical scheme improves the structural strength and rigidity of the car door frame and the car body structure; the bending and torsional rigidity of the vehicle body structure is improved, and the NVH performance of the vehicle is improved; the lower section of the side wall inner skin is reinforced, so that the tire noise, the road noise and the like are reduced and transmitted into the vehicle, and the riding comfort of the vehicle is improved; the lightening hole design is beneficial to the light weight of the vehicle; has the characteristics of simple structure and low cost.
In this embodiment, the whole threshold closed beam structure 21 is an inverted t-shaped structure, and a cross section of one end of the threshold closed beam structure 21 is a rectangular structure 22 (as shown in fig. 4, the cross section is a rectangular structure as a whole). The tip cross-section designs into the rectangle structure, is convenient for and the side wall inner skin hypomere welding installation, forms effectual additional strengthening simultaneously, guarantees its integral erection intensity, and the reinforcing plate is through processing into the roof beam structure, and "gamma" structure of falling plays the transitional coupling effect, wraps up threshold position under the automobile body, promotes bulk strength.
In this embodiment, the top cross-section of the threshold closed beam structure 21 is a triangle-like structure, the inner side surface of the threshold closed beam structure is arc-shaped, and the inner side surface of the threshold closed beam structure 21 is bent to form a first inward flanging structure 23. The medial surface forms the arc structure be convenient for with the overlap joint between the part weld the installation, wholly be the arc structure simultaneously in order to carry out conformal overlap joint cooperation with other parts.
In this embodiment, the lower inner section reinforcing plate 11 is integrally of an arc-shaped structure (a reinforcing beam forming an arc-shaped structure), and the inner side surface of the lower inner closed beam structure forms a second inner flanging structure 12 which is in conformal fit with the first inner flanging structure 23. The lower inner segment reinforcing plate 11 of arc structure laminates and sets up at the position that needs the installation, adopts welding technique to install, and the whole stiffening beam structure that forms the laminating promotes product structural strength.
In this embodiment, the outer side surface of the sill enclosing beam structure 11 and the outer side surface of the lower inner enclosing beam structure are both bent to form a mounting turnover structure (i.e. 13 and 24 in the drawings) in a form-fitting fit. The installation is turned over and is formed the location installation with the interior covering hypomere in the mutual overlap joint cooperation of structure, effectively protects the structure of medial surface, is convenient for weld process shaping simultaneously, and structure location installation is convenient and fast more.
In this embodiment, a flange step structure 25 for installing a lower inner section reinforcing plate is formed at the other end of the sill-enclosing beam structure 21. The flange step 25 realizes the lap joint between two reinforcing plates, reduces the requirements on processing and mounting precision, reduces the processing cost, and reduces the process difficulty by adopting a mode of welding and mounting two pieces.
In this embodiment, a lightening hole 27 with a triangular structure is formed at the top of the threshold closed beam structure 21, and a waist-shaped hole 26 is formed in the inner side surface of the threshold closed beam. The lightening holes 27 of the triangular structure are similar to the top section in shape, the overall weight is reduced to the maximum extent, the lightening holes 27 and the waist-shaped holes 26 meet the requirement of light weight, the structural strength is guaranteed, meanwhile, the industrial index is met, and the product performance is improved.
In this embodiment, the lower inner closed beam structure 11 and the threshold closed beam structure 21 are both provided with pin positioning holes 28, and the pin positioning holes 28 effectively realize the installation and positioning between the components.
In this embodiment, 11 tip consecutive bendings of lower interior closed beam structure form welding faying face structure 14, and welding faying face structure 14 is convenient for realize welding the installation with other spare parts, simplifies the technology, promotes product comprehensive properties.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a side wall back end inner skin reinforcing plate which characterized in that: the reinforcing plate comprises a lower inner section reinforcing plate and a doorsill reinforcing plate, wherein the lower inner section reinforcing plate is attached to the inner skin; the doorsill reinforcing plate and the lower inner section reinforcing plate respectively protrude upwards and form a lower inner closed beam structure and a doorsill closed beam structure which are communicated with each other.
2. The side wall back section inner skin stiffened panel of claim 1, wherein: the whole threshold closed beam structure is of an inverted T-shaped structure, and the section of one end part of the threshold closed beam structure is of a rectangular structure.
3. The side wall back section inner skin stiffened panel of claim 2, wherein: the cross section of the top of the threshold closed beam structure is of a triangle-like structure, the inner side surface of the threshold closed beam structure is arc-shaped, and a first inward flanging structure is formed by bending the inner side surface of the threshold closed beam structure.
4. The side wall back section inner skin stiffened panel of claim 3, wherein: the lower inner section reinforcing plate is integrally of an arc-shaped structure, and the inner side face of the lower inner closed beam structure forms a second inner flanging structure which is matched with the first inner flanging structure in a shape-fitting manner for use.
5. The side wall back section inner skin stiffened panel of claim 4, wherein: the outer side surface of the threshold closed beam structure and the outer side surface of the lower inner closed beam structure are bent to form a mounting turnover structure in conformal fit.
6. The side wall back section inner skin stiffened panel of claim 2, wherein: and a flange step structure used for installing a lower inner section reinforcing plate is formed at the other end of the threshold closed beam structure.
7. The side wall back section inner skin stiffened panel of claim 5, wherein: the top of the doorsill closed beam structure is provided with a lightening hole of a triangular structure, and the inner side surface of the doorsill closed beam is provided with a waist-shaped hole.
8. The side wall back section inner skin stiffened panel of claim 6, wherein: and the lower inner closed beam structure and the threshold closed beam structure are both provided with pin positioning holes.
9. The side wall back section inner skin stiffened panel of claim 6, wherein: and the end part of the lower inner closed beam structure is continuously bent to form a welding faying surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021785176.XU CN212861638U (en) | 2020-08-24 | 2020-08-24 | Side wall back-end inner skin reinforcing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021785176.XU CN212861638U (en) | 2020-08-24 | 2020-08-24 | Side wall back-end inner skin reinforcing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212861638U true CN212861638U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021785176.XU Active CN212861638U (en) | 2020-08-24 | 2020-08-24 | Side wall back-end inner skin reinforcing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212861638U (en) |
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2020
- 2020-08-24 CN CN202021785176.XU patent/CN212861638U/en active Active
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