CN213768473U - Rear anti-collision beam structure of automobile - Google Patents
Rear anti-collision beam structure of automobile Download PDFInfo
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- CN213768473U CN213768473U CN202022240069.5U CN202022240069U CN213768473U CN 213768473 U CN213768473 U CN 213768473U CN 202022240069 U CN202022240069 U CN 202022240069U CN 213768473 U CN213768473 U CN 213768473U
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Abstract
The utility model discloses an automobile rear anti-collision beam structure, which belongs to the technical field of automobile anti-collision beams and comprises a main beam, two energy absorption boxes and two mounting plates, wherein one side of the main beam, which is far away from the two energy absorption boxes, is provided with a first reinforcing groove and a second reinforcing groove, the first reinforcing groove is arranged along the length direction of the main beam, the second reinforcing grooves are formed below the first reinforcing grooves and are symmetrically arranged in two, and a first reinforcing rib is formed between the first reinforcing groove and the second reinforcing groove; the tank bottom of first strengthening groove and first strengthening rib all are formed with the contained angle that the angle is the same between one side and the vertical direction of keeping away from first strengthening groove, all be the obtuse angle setting between the both sides that second strengthening groove and girder link to each other and the horizontal direction. The utility model discloses have the girder structural strength of effective reinforcing back anticollision roof beam, reduce the girder because the striking takes place the effect of the deformation condition.
Description
Technical Field
The utility model relates to an automobile anti-collision beam technical field, in particular to anti-collision beam structure behind car.
Background
The anti-collision beam is a device for reducing collision energy generated when a vehicle is collided, and consists of a main beam, an energy absorption box and a mounting plate connected with the vehicle, wherein the main beam and the energy absorption box can effectively absorb the collision when the vehicle is collided at a low speed, so that the damage of the collision force to a vehicle body longitudinal beam is reduced, and the vehicle is protected. The crossbeam part of crashproof roof beam behind current vehicle is comparatively simple structure usually, receives the striking easy emergence and warp, and this problem is waited for to solve urgently.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an anticollision roof beam structure behind car has the girder structural strength of anticollision roof beam behind the effective reinforcing, reduces the girder because the striking takes place the effect of the deformation condition.
The rear anti-collision beam structure of the automobile comprises a main beam, two energy absorption boxes and two mounting plates, wherein a first reinforcing groove and a second reinforcing groove are formed in one side of the main beam, which is far away from the two energy absorption boxes, the first reinforcing groove is formed along the length direction of the main beam, the second reinforcing grooves are formed below the first reinforcing groove and are symmetrically arranged in two, and a first reinforcing rib is formed between the first reinforcing groove and the second reinforcing groove;
the tank bottom of first strengthening groove and first strengthening rib all are formed with the contained angle that the angle is the same between one side and the vertical direction of keeping away from first strengthening groove, all be the obtuse angle setting between the both sides that second strengthening groove and girder link to each other and the horizontal direction.
The utility model discloses further set up to: the tank bottom of first strengthening groove and the contained angle that first strengthening groove one side was kept away from to first strengthening rib and between the vertical direction is 80, first strengthening groove top and girder junction and below are the circular arc and are connected with first strengthening rib junction.
The utility model discloses further set up to: the included angles between the joints of the two sides of the second reinforcing groove and the main beam and the horizontal direction are respectively 15 degrees and 5 degrees.
The utility model discloses further set up to: the energy absorption box is formed by mutually splicing an upper box body and a lower box body, two connecting plates are respectively formed on the top wall and the bottom wall of the main beam, and the upper box body and the lower box body are respectively welded and fixed with the upper connecting plate and the lower connecting plate.
The utility model discloses further set up to: two first damping grooves are formed in two sides of the upper box body along the vertical direction, two second damping grooves are formed in the two first damping grooves corresponding to the lower box body photo album, and the first damping grooves are embedded outside the second damping grooves.
The utility model discloses further set up to: the main beam is made of HC420/780DP steel plates, and the thickness of the main beam is 1.2 mm.
The utility model discloses further set up to: the upper box body and the lower box body are made of HC420LA steel plates, and the wall thickness of the upper box body and the wall thickness of the lower box body are both 1.8 mm.
To sum up, the utility model discloses following beneficial effect has:
1. the first reinforcing groove, the second reinforcing groove and the first reinforcing rib are formed on the main beam, so that the structural strength of the main beam is effectively improved;
2. the angles of two sides of the two second reinforcing grooves which are symmetrically arranged form a W-shaped structure, so that the structural strength of the main beam is further enhanced;
3. through the shock absorption grooves which are formed on the energy absorption boxes and are connected end to end, the condition of torsion in collision can be effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram for embodying the whole of the present invention;
fig. 2 is a schematic structural diagram of the first reinforcing groove and the first reinforcing rib according to the present invention;
fig. 3 is a schematic structural view of a second reinforcing groove according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure, 1, a main beam; 11. a first reinforcement groove; 12. a second reinforcement groove; 13. a first reinforcing rib; 14. a connecting plate; 2. an energy absorption box; 21. an upper box body; 22. a lower box body; 23. a first damping groove; 24. a second damping groove; 3. and (7) mounting the plate.
Detailed Description
The present invention will be described in detail with reference to the attached drawings, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.
Example (b):
as shown in fig. 1, for the utility model discloses a design's an anticollision roof beam structure behind car, including girder 1, two energy-absorbing boxes 2 and two mounting panels 3, girder 1 keeps away from two energy-absorbing boxes 2 one side and is formed with first strengthening groove 11 and second strengthening groove 12, first strengthening groove 11 sets up along girder 1 length direction, second strengthening groove 12 is formed at first strengthening groove 11 below and the symmetry sets up two, be formed with first strengthening rib 13 between first strengthening groove 11 and the second strengthening groove 12, all be formed with the contained angle that the angle is the same between one side and the vertical direction that first strengthening groove 11 was kept away from to the tank bottom of first strengthening groove 11 and first strengthening rib 13, all be the obtuse angle setting between the both sides that second strengthening groove 12 and girder 1 link to each other and the horizontal direction.
As shown in fig. 2 to 4, the included angles between the bottom of the first reinforcing groove 11 and the side of the first reinforcing rib 13 away from the first reinforcing groove 11 and the vertical direction are both 80 °, and the connection between the upper part of the first reinforcing groove 11 and the main beam 1 and the connection between the lower part of the first reinforcing groove 11 and the first reinforcing rib 13 are both connected in an arc shape. The contained angle between second strengthening groove 12 both sides and the girder 1 junction and the horizontal direction is 15 respectively and 5, and first strengthening groove 11 and first strengthening rib 13 have increased nearly style of calligraphy structure for girder 1, and the second strengthening groove 12 that two symmetries were seted up has increased for girder 1 with W type structure, has effectively increased girder 1's structural strength, replaces current simple girder 1 structure, can reduce girder 1 because the condition of striking emergence deformation. Girder 1 is HC420/780DP steel sheet, and girder 1's thickness is 1.2mm, has reduced the thickness when having improved crashproof roof beam intensity, improves lightweight degree.
As shown in fig. 1 and 2, the crash box 2 is formed by mutually splicing an upper box body 21 and a lower box body 22, two connecting plates 14 are respectively formed on the top wall and the bottom wall of the main beam 1, and the upper box body 21 and the lower box body 22 are respectively welded and fixed with the upper connecting plate 14 and the lower connecting plate 14. Two first damping grooves 23 are formed in two sides of the upper box body 21 along the vertical direction, two second damping grooves 24 are formed in the two first damping grooves 23 corresponding to the photo album of the lower box body 22, and the first damping grooves 23 are embedded outside the second damping grooves 24. The upper box body 21 and the lower box body 22 are made of HC420LA steel plates, and the wall thickness of the upper box body 21 and the wall thickness of the lower box body 22 are both 1.8 mm.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides an anticollision roof beam structure behind car, includes girder (1), two energy-absorbing boxes (2) and two mounting panels (3), its characterized in that: a first reinforcing groove (11) and a second reinforcing groove (12) are formed in one side, far away from the two energy absorption boxes (2), of the main beam (1), the first reinforcing groove (11) is arranged along the length direction of the main beam (1), the second reinforcing grooves (12) are formed below the first reinforcing groove (11) and are symmetrically arranged in two, and a first reinforcing rib (13) is formed between the first reinforcing groove (11) and the second reinforcing groove (12);
the bottom of first strengthening groove (11) and first strengthening rib (13) keep away from all to be formed with the contained angle that the angle is the same between one side and the vertical direction of first strengthening groove (11), all be the obtuse angle setting between the both sides that second strengthening groove (12) and girder (1) link to each other and the horizontal direction.
2. The automobile rear impact beam structure according to claim 1, wherein: the tank bottom of first strengthening groove (11) and first strengthening rib (13) keep away from first strengthening groove (11) one side and vertical orientation between contained angle be 80, first strengthening groove (11) top and girder (1) department of linking to each other and below and first strengthening rib (13) department of linking to each other are the circular arc and are connected.
3. The automobile rear impact beam structure according to claim 2, wherein: the included angles between the joints of the two sides of the second reinforcing groove (12) and the main beam (1) and the horizontal direction are respectively 15 degrees and 10 degrees.
4. The automobile rear impact beam structure according to claim 3, wherein: the energy absorption box (2) is formed by mutually splicing an upper box body (21) and a lower box body (22), two connecting plates (14) are respectively formed on the top wall and the bottom wall of the main beam (1), and the upper box body (21) and the lower box body (22) are respectively welded and fixed with the upper connecting plate (14) and the lower connecting plate (14).
5. The automobile rear impact beam structure according to claim 4, wherein: two first damping grooves (23) are formed in the two sides of the upper box body (21) in the vertical direction, two second damping grooves (24) are formed in the two corresponding first damping grooves (23) of the lower box body (22), and the first damping grooves (23) are embedded outside the second damping grooves (24).
6. The automobile rear impact beam structure according to claim 1, wherein: the main beam (1) is made of HC420/780DP steel plates, and the thickness of the main beam (1) is 1.2 mm.
7. The automobile rear impact beam structure according to claim 5, wherein: the upper box body (21) and the lower box body (22) are made of HC420LA steel plates, and the wall thickness of the upper box body (21) and the wall thickness of the lower box body (22) are both 1.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022240069.5U CN213768473U (en) | 2020-10-10 | 2020-10-10 | Rear anti-collision beam structure of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022240069.5U CN213768473U (en) | 2020-10-10 | 2020-10-10 | Rear anti-collision beam structure of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213768473U true CN213768473U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022240069.5U Active CN213768473U (en) | 2020-10-10 | 2020-10-10 | Rear anti-collision beam structure of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213768473U (en) |
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2020
- 2020-10-10 CN CN202022240069.5U patent/CN213768473U/en active Active
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