CN209938736U - Car side wall lower part threshold cavity support frame - Google Patents
Car side wall lower part threshold cavity support frame Download PDFInfo
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- CN209938736U CN209938736U CN201920593436.4U CN201920593436U CN209938736U CN 209938736 U CN209938736 U CN 209938736U CN 201920593436 U CN201920593436 U CN 201920593436U CN 209938736 U CN209938736 U CN 209938736U
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- support bracket
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Abstract
The utility model discloses a car side wall lower threshold cavity support bracket, which is a bilateral symmetry structure comprising four molded surfaces and a pair of side wings, wherein 4 molded surfaces comprise a vertical middle surface (1), two identical side surfaces (2) connected with the left side and the right side of the vertical middle surface (1), and a top reinforcing surface (3) connected with the vertical middle surface (1) and the upper edges of the two side surfaces (2); the outer edges of the two side surfaces (2) are respectively provided with an edge wing (4) turned outwards, and each edge wing (4) is provided with two welding spots which are arranged up and down and welded with the reinforcing beam of the automobile threshold; the top reinforcing surface (3) is of a bilateral symmetry structure, and reinforcing ribs (3-1) and welding spots welded with the reinforcing beam of the automobile threshold are respectively arranged on two sides of the symmetry axis. The utility model discloses an use the security performance that can increase the car, the cost of manufacture is lower simultaneously.
Description
Technical Field
The utility model relates to an automotive production technical field specifically is an automobile side wall lower part threshold cavity support holder.
Background
In the case of a side impact of an automobile, since the impact-absorbing region is not provided as in the case of a frontal impact, the side wall of the cabin chamber directly collides with the oncoming vehicle. In general, the speed change of an occupant is reduced by reducing the speed of intrusion into a side wall such as a door of a vehicle through strong support of a strong vehicle cabin, i.e., a side surface of the vehicle. The side sill reinforcing beam transmits partial frontal collision energy, mainly resists side collision impact and provides bending rigidity for the whole vehicle. The supporting bracket of the cavity of the lower threshold of the side wall of the automobile is welded with the side wall threshold beam through spot welding, so that the strength of the side wall threshold beam is improved, the deformation of the side wall threshold during side collision is reduced, and the safety of passengers is improved. The existing support bracket has the defects of insufficient support strength and high manufacturing process requirement, and the structure needs to be improved to improve the performance and reduce the manufacturing cost.
Disclosure of Invention
An object of the utility model is to provide a car side wall lower part threshold cavity support holder improves the security performance of car, reduction in production cost simultaneously. The utility model aims at realizing through the following technical scheme:
a supporting bracket for a side sill cavity at the lower part of an automobile side wall is of a bilateral symmetry structure comprising four molded surfaces and a pair of side wings, wherein the 4 molded surfaces comprise a vertical middle surface, two identical side surfaces connected to the left side and the right side of the vertical middle surface, and a top reinforcing surface connected with the vertical middle surface and the upper edges of the two side surfaces; the outer edges of the two side surfaces are respectively provided with an edge wing turned outwards, and each edge wing is provided with two welding spots which are arranged up and down and welded with the reinforcing beam of the automobile threshold; the top reinforcing surface is of a bilateral symmetry structure, and reinforcing ribs and welding spots welded with the reinforcing beam of the automobile threshold are respectively arranged on two sides of the symmetry axis.
Furthermore, the four molded surfaces and the pair of side wings are of an integrally molded structure.
Furthermore, a groove is formed in the middle of the top reinforcing surface, the reinforcing ribs are arranged on two sides of the groove, and two circular through holes are formed in one side of each reinforcing rib.
Furthermore, the side wings comprise two plane protrusions which are vertically arranged and parallel to the vertical middle surface, and welding spots welded with the reinforcing beam of the automobile threshold are arranged on the outer surfaces of the plane protrusions.
Furthermore, the two side surfaces incline to the two sides from the vertical middle surface respectively, and the outer outline of the top reinforcing surface is trapezoidal.
Furthermore, the front parts of the two side surfaces are respectively provided with symmetrical non-circular through holes.
Further, a circular through hole is formed in the middle of the vertical middle surface.
The utility model has the advantages that:
1) the support is reasonable in structure, can effectively resist force from the side collision direction, reduces deformation of the side wall doorsill during side collision, and improves safety of passengers.
2) The support is self-symmetrical, is universal on the left side and the right side, reduces the development of parts and reduces the cost.
3) Compare through reinforcing threshold stiffening beam material thickness and material, improve the collision performance, use this support can effectual reduction automobile body weight and automobile body development cost.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic side view of the present invention.
Reference numerals:
1. a vertical middle plane; 2. a side surface; 3. a top reinforcing surface; 4. a wing; 3-1, reinforcing ribs; 3-2, a groove; 3-3, circular through holes; 4-1, plane convex; A. b, C are all solder points.
Detailed Description
Example 1
As shown in figure 1 ~ 4, the support bracket for the side-wall lower threshold cavity of the automobile is of a bilateral symmetry structure comprising four profiles and a pair of side wings, wherein the 4 profiles comprise a vertical middle surface 1, two identical side surfaces 2 connected to the left side and the right side of the vertical middle surface 1, and a top reinforcing surface 3 connected with the vertical middle surface 1 and the upper edges of the two side surfaces 2, the outer edges of the two side surfaces 2 are respectively provided with the side wing 4 turning outwards, each side wing 4 is provided with two welding spots arranged up and down and welded with the reinforcing beam of the automobile threshold, the top reinforcing surface 3 is of a bilateral symmetry structure, and the arrangement design of the reinforcing ribs 3-1 and the welding spots A and B.6 respectively welded with the reinforcing beam of the automobile threshold on the two sides of a symmetry axis is favorable for stability.
The four profiles and the pair of side wings are of an integrally molded structure, and the material is steel, preferably interstitial-free high-strength cold-rolled steel (B250P 1).
The middle of the top reinforcing surface 3 is provided with a groove 3-2, the two sides of the groove 3-2 are provided with the reinforcing ribs 3-1, one side of each reinforcing rib 3-1 is provided with two circular through holes 3-3, and the through holes are exhaust holes during electrophoresis of the vehicle body.
The side wing 4 comprises two plane protrusions 4-1 which are arranged up and down and are parallel to the vertical middle surface 1, and the outer surface of each plane protrusion is provided with a welding point C which is welded with the reinforcing beam of the automobile threshold.
The two side surfaces 2 are respectively inclined to the two sides from the vertical middle surface 1, and the outline of the top reinforcing surface 3 is trapezoidal.
The front parts of the two side surfaces 2 are respectively provided with symmetrical non-circular through holes.
The middle of the vertical middle surface 1 is provided with a circular through hole.
Claims (7)
1. The utility model provides a car side wall lower part threshold cavity support frame which characterized in that: the four profiles are of a bilateral symmetry structure comprising four profiles and a pair of side wings, wherein the four profiles comprise a vertical middle surface (1), two identical side surfaces (2) connected to the left side and the right side of the vertical middle surface (1), and a top reinforcing surface (3) connected with the vertical middle surface (1) and the upper edges of the two side surfaces (2); the outer edges of the two side surfaces (2) are respectively provided with an edge wing (4) turned outwards, and each edge wing (4) is provided with two welding spots which are arranged up and down and welded with the reinforcing beam of the automobile threshold; the top reinforcing surface (3) is of a bilateral symmetry structure, and reinforcing ribs (3-1) and welding spots welded with the reinforcing beam of the automobile threshold are respectively arranged on two sides of the symmetry axis.
2. The vehicle side sill cavity support bracket of claim 1 further comprising: the four molded surfaces and the pair of side wings are of an integrally formed structure and made of steel.
3. The vehicle side sill cavity support bracket of claim 1 further comprising: the middle of the top reinforcing surface (3) is provided with a groove (3-2), the two sides of the groove (3-2) are provided with the reinforcing ribs (3-1), and one side of each reinforcing rib (3-1) is provided with two circular through holes (3-3).
4. The vehicle side sill cavity support bracket of claim 1 further comprising: the side wings (4) comprise two plane protrusions (4-1) which are vertically arranged and parallel to the vertical middle surface (1), and the outer surfaces of the plane protrusions are provided with welding spots welded with the reinforcing beam of the automobile threshold.
5. The vehicle side sill cavity support bracket of claim 1 further comprising: the two side surfaces (2) are respectively inclined to the two sides from the vertical middle surface (1), and the outline of the top reinforcing surface (3) is trapezoidal.
6. The vehicle side sill cavity support bracket of claim 1 further comprising: the front parts of the two side surfaces (2) are respectively provided with symmetrical non-circular through holes.
7. The vehicle side sill cavity support bracket of claim 1 further comprising: the middle of the vertical middle surface (1) is provided with a circular through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593436.4U CN209938736U (en) | 2019-04-28 | 2019-04-28 | Car side wall lower part threshold cavity support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593436.4U CN209938736U (en) | 2019-04-28 | 2019-04-28 | Car side wall lower part threshold cavity support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209938736U true CN209938736U (en) | 2020-01-14 |
Family
ID=69130236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920593436.4U Active CN209938736U (en) | 2019-04-28 | 2019-04-28 | Car side wall lower part threshold cavity support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209938736U (en) |
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2019
- 2019-04-28 CN CN201920593436.4U patent/CN209938736U/en active Active
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