CN211918388U - Energy absorption structure for weakening collision of rear row head of auxiliary instrument board - Google Patents
Energy absorption structure for weakening collision of rear row head of auxiliary instrument board Download PDFInfo
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- CN211918388U CN211918388U CN202020486646.6U CN202020486646U CN211918388U CN 211918388 U CN211918388 U CN 211918388U CN 202020486646 U CN202020486646 U CN 202020486646U CN 211918388 U CN211918388 U CN 211918388U
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Abstract
The utility model discloses a vice instrument board back row head bumps reduction energy-absorbing structure, through bolted connection fastening between vice instrument board handrail case and the rear portion support, sets up the weakening groove with the junction of rear portion support on the vice instrument board handrail case, and the weakening groove is the outside closed angle groove of opening. Through the technical scheme of the utility model, realize the reduction of vice instrument board to vice instrument board product reduces the acceleration of striking at reduction trench position fracture energy-absorbing when bumping, and then plays the guard action to the back row passenger.
Description
Technical Field
The utility model relates to an automobile dashboard technical field especially relates to a vice instrument board back row head bumps reduction energy-absorbing structure.
Background
With the increasing emphasis on safety issues in the automotive industry, the head impact safety of rear passengers has become more and more important as an important index.
Most of the existing designs for the safety of the collision of the head of the rear row restrict the middle passenger of the rear row through a three-point safety belt, so that the passenger can not contact with an auxiliary instrument board when the automobile collides, and the static head collision of the rear row is exempted.
When the rear row is designed without three-point type safety belt restraint, the design of static head collision is weakened from the connecting bracket of the auxiliary instrument panel and the floor in the consideration of energy absorption, and the problem brought by the design is that the overall rigidity mode of the auxiliary instrument panel is poor.
In the prior art, an energy absorption block is added between an auxiliary instrument panel and a vehicle body floor, so that although the energy absorption effect is improved, a newly added structure also occupies the lower space of a handrail box, the blowing effect of a vehicle type with a rear-exhaust air outlet is influenced to a certain extent, and the arrangement of the rear-exhaust high-mix vehicle type of the vehicle is limited.
SUMMERY OF THE UTILITY MODEL
At least one to the above-mentioned problem, the utility model provides a vice instrument board back row head bumps reduction energy-absorbing structure, under the prerequisite that does not adjust the structure of rear portion support, sets up the weakening groove in vice instrument board handrail case and rear portion leg joint department, realizes the reduction of vice instrument board to vice instrument board product is at weakening groove position fracture energy-absorbing when the bumping, reduces the acceleration of striking, and then plays the guard action to the back row passenger.
In order to achieve the purpose, the utility model provides a vice instrument board back row head bumps reduction energy-absorbing structure, fastens through bolted connection between vice instrument board handrail case and the rear portion support, vice instrument board handrail case go up with the junction of rear portion support sets up the weakening groove, the weakening groove is the outside closed angle groove of opening.
In the above technical means, preferably, an opening angle of the weakening groove is 50 ° to 100 °, and a sharp angle of the weakening groove allows a round angle of R0.3 or less.
In the above technical solution, preferably, the thickness of the console box where the weakening groove is located is 2.3mm to 3.0mm, and the residual thickness after the weakening groove is opened is 0.8mm to 1.0 mm.
In the above technical solution, preferably, the weakening groove is formed by injection molding using an injection mold.
In the above technical solution, preferably, the weakening grooves are respectively formed along an edge of a single bolt connection point between the console box and the rear bracket, or formed around two bolt connection points side by side between the console box and the rear bracket.
In the above technical solution, preferably, an armrest assembly is disposed above the console box, and the armrest assembly is in screw connection with the console box through an armrest hinge.
In the above technical scheme, preferably, the bottom of the rear support is mounted on a floor metal plate, a rear panel is arranged on the rear side of the rear support, and the rear panel and the console box are connected and fastened through plastic buckles and screws.
In the above technical solution, preferably, a rear exhaust duct is disposed in a space formed between the rear panel, the rear support and the console box, a rear exhaust outlet is disposed at a communication position of the rear panel and the rear exhaust duct, and the rear exhaust outlet is connected with the rear panel by screws and is in butt joint with the rear exhaust duct.
In the above technical solution, preferably, the weakening groove makes the sub-dash panel not to accelerate more than 80G within 3 milliseconds continuously in the impacted state.
Compared with the prior art, the beneficial effects of the utility model are that: on the premise of not adjusting the structure of the rear support, the weakening groove is formed in the joint of the auxiliary instrument panel armrest box and the rear support, so that the auxiliary instrument panel is weakened, the auxiliary instrument panel product is broken and absorbs energy at the weakening groove when collision occurs, the impact acceleration is reduced, and then a protection effect is exerted on a rear passenger.
Drawings
Fig. 1 is a schematic longitudinal sectional structure view of a rear head of an auxiliary instrument panel, which is disclosed in an embodiment of the present invention, colliding with a weakened energy-absorbing structure;
fig. 2 is a schematic view of an enlarged structure of a longitudinal section of a weakening tank according to an embodiment of the present invention;
fig. 3 is a schematic view of the arrangement position and shape of the weakening groove disclosed in an embodiment of the present invention;
fig. 4 is a schematic view of the arrangement position and shape of the weakening groove according to still another embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
11. the auxiliary instrument panel comprises an auxiliary instrument panel armrest box, 12 parts of a rear panel, 13 parts of a rear exhaust pipe, 14 parts of a rear exhaust air port, 15 parts of an armrest assembly, 16 parts of an armrest hinge, 2 parts of a rear support, 3 parts of a floor sheet metal and 4 parts of a weakening groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 and 2, the utility model provides a vice instrument board back row head bumps reduction energy-absorbing structure, fastens through bolted connection between vice instrument board handrail case 11 and the rear portion support 2, sets up weakening groove 4 with the junction of rear portion support 2 on vice instrument board handrail case 11, and weakening groove 4 is the outside closed angle groove of opening.
In the embodiment, the design of an original bracket is not changed, new parts are not added, the original space is not occupied, the transverse strength is not reduced, and meanwhile, the rear-row blowing effect, the transverse rigidity of the handrail area and the rear-row head-touch standard to be met are met. According to different products, the weakening groove structure with different areas can be formed, the depth and the angle of the weakening groove 4 structure can be adjusted in a matching mode according to the die structure, compared with the original discontinuous weakening hole, the weakening groove structure is easy to break, and the better breaking energy absorption effect is achieved.
Specifically, the continuous and injection-molded weakening groove 4 structure with the V-shaped sharp corner, which is arranged between the console box 11 and the rear bracket 2, weakens the connection point between the console box 11 and the rear bracket 2, so that the weakening groove 4 of the console box can be downwards collapsed to absorb energy during collision, thereby reducing the injury possibly suffered by passengers in the rear row and occupying no extra space.
In the above embodiment, preferably, the opening angle of the weakening groove 4 is 50 ° to 100 °, and the sharp angle of the weakening groove 4 allows a round angle of R0.3 or less. Preferably, the thickness of the console box 11 where the weakening groove 4 is located is 2.3mm to 3.0mm, and the residual thickness after the weakening groove 4 is formed is 0.8mm to 1.0 mm. The depth and the angle of the weakening groove 4 structure are adjusted in a matching mode according to different products, and therefore the applicability of the auxiliary instrument panel rear row head collision weakening energy absorption structure is improved.
In the above embodiment, the weakening groove 4 is preferably injection molded by using an injection mold so as to ensure the transverse strength thereof when not being collided.
As shown in fig. 3, in the above embodiment, it is preferable that the weakening grooves 4 are formed along the edges of the single bolt connection points between the console box 11 and the rear bracket 2, respectively, and when an impact is applied, the bolt connection points formed with the weakening grooves 4 are crushed, and the acceleration of the impact is reduced to protect the rear passenger.
As shown in fig. 4, the weakening grooves 4 are provided in a position surrounding two bolt connecting points in parallel between the console box 11 and the rear bracket 2, and a circle of weakening grooves 4 is provided around the entire bolt connecting points, so that the entire bolt connecting points are crushed when an impact is applied, and the acceleration of the impact can be reduced to protect the rear passenger.
In the above embodiment, preferably, the armrest assembly 15 is disposed above the console box 11, and the armrest assembly 15 is screwed to the console box 11 by the armrest hinge 16. The bottom of the rear support 2 is arranged on the floor metal plate 3 through 4 bolts, a rear panel 12 is arranged on the rear side of the rear support 2, and the rear panel 12 and the console box 11 are connected and fastened through plastic buckles and 2 screws.
In the above embodiment, preferably, the rear exhaust duct 13 is disposed in the space formed between the rear panel 12, the rear bracket 2 and the console box 11, the rear exhaust outlet 14 is disposed at the position on the rear panel 12 communicated with the rear exhaust duct 13, and the rear exhaust outlet 14 is connected with the rear panel 12 by screws and is butted with the rear exhaust duct 13, so that the rear exhaust blowing effect is not affected.
In the above embodiment, it is preferable that the shape, structure and strength of the weakening groove 4 are such that the sub-dash panel is not accelerated more than 80G for 3 milliseconds continuously in a state of being hit by the head of the rear occupant, thereby ensuring the safety of the rear occupant.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a vice instrument board back row head bumps weakening energy-absorbing structure which characterized in that, through bolted connection fastening between vice instrument board handrail case and the rear portion support, set up the weakening groove on the vice instrument board handrail case with the junction of rear portion support, the weakening groove is the outside closed angle groove of opening.
2. The structure of claim 1, wherein the opening angle of the weakening groove is 50-100 degrees, and the sharp angle of the weakening groove allows a fillet below R0.3.
3. The structure of claim 1, wherein the thickness of the console box where the weakening groove is located is 2.3mm to 3.0mm, and the residual thickness after the weakening groove is formed is 0.8mm to 1.0 mm.
4. The structure of claim 1, wherein the weakening groove is formed by injection molding through an injection mold.
5. The structure of claim 1, wherein the weakening grooves are formed along the edge of a single bolt connection point between the console box and the rear bracket or around two bolt connection points in parallel between the console box and the rear bracket.
6. The structure of claim 1, wherein an armrest assembly is disposed above the console armrest box, and the armrest assembly is in screw connection with the console armrest box through an armrest hinge.
7. The structure of claim 6, wherein the bottom of the rear bracket is mounted on a floor metal plate, a rear panel is arranged at the rear side of the rear bracket, and the rear panel is fastened with the console box through plastic buckles and screws.
8. The structure of claim 7, wherein a rear exhaust duct is disposed in a space formed between the rear panel, the rear support and the console box, a rear exhaust outlet is disposed at a position on the rear panel, which is communicated with the rear exhaust duct, and the rear exhaust outlet is connected with the rear panel by screws and is in butt joint with the rear exhaust duct.
9. The structure of claim 1, wherein the weakening groove enables the sub-dash panel to accelerate no more than 80G within 3 milliseconds of impact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486646.6U CN211918388U (en) | 2020-04-03 | 2020-04-03 | Energy absorption structure for weakening collision of rear row head of auxiliary instrument board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486646.6U CN211918388U (en) | 2020-04-03 | 2020-04-03 | Energy absorption structure for weakening collision of rear row head of auxiliary instrument board |
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| Publication Number | Publication Date |
|---|---|
| CN211918388U true CN211918388U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020486646.6U Active CN211918388U (en) | 2020-04-03 | 2020-04-03 | Energy absorption structure for weakening collision of rear row head of auxiliary instrument board |
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| Country | Link |
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| CN (1) | CN211918388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147398A (en) * | 2021-04-12 | 2021-07-23 | 东风汽车集团股份有限公司 | Active avoidance system and avoidance method for auxiliary instrument panel |
-
2020
- 2020-04-03 CN CN202020486646.6U patent/CN211918388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147398A (en) * | 2021-04-12 | 2021-07-23 | 东风汽车集团股份有限公司 | Active avoidance system and avoidance method for auxiliary instrument panel |
| CN113147398B (en) * | 2021-04-12 | 2022-06-03 | 东风汽车集团股份有限公司 | Active avoidance system and avoidance method for auxiliary instrument panel |
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