CN208593365U - A kind of electric car anti-collision beam energy absorbing box - Google Patents
A kind of electric car anti-collision beam energy absorbing box Download PDFInfo
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- CN208593365U CN208593365U CN201821235001.4U CN201821235001U CN208593365U CN 208593365 U CN208593365 U CN 208593365U CN 201821235001 U CN201821235001 U CN 201821235001U CN 208593365 U CN208593365 U CN 208593365U
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- energy
- absorbing box
- box body
- mounting plate
- rectangular pyramid
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Abstract
A kind of electric car anti-collision beam energy absorbing box, including energy-absorbing box body and collision prevention girders mounting plate, stringer mounting plate, the cross section of energy-absorbing box body are positive hexagonal structure, and each side of energy-absorbing box body is spliced by several positive rectangular pyramids along matrix arrangement；Positive rectangular pyramid is the hollow structure of bottom opening, and the cone bottom bottom edge of two neighboring positive rectangular pyramid is connected with each other, and the vertex of a cone of positive rectangular pyramid is outwardly；It is equipped with honeycomb buffer stopper in the regular hexagon cavity of energy-absorbing box body, the cross section of honeycomb buffer stopper is positive hexagonal structure.The cellular buffer stopper of the utility model, effectively improves the intensity of energy-absorption box；Energy-absorption box is easier to be crushed, and generates more plastic deformations and conquassation, effectively increases the energy absorption characteristics of energy-absorption box, improves crashworthiness.
Description
Technical field
The utility model belongs to vehicle energy absorption box technical field, in particular to a kind of electric car anti-collision beam energy absorbing box.
Technical background
With the rapid development of China's automobile industry, the problem of traffic safety has become a social concerns.Car crass
The raising of safety can reduce the loss of vehicle and protect the life security of driver and conductor.When energy-absorption box is that collision occurs
Bumper assembly absorbs the main component of energy, conquassation is generated by the plastic deformation of the metal in the case where impact force acts on, by interior energy
It is converted into deformation energy, sponges kinetic energy when a part of car crass.
Common energy-absorption box section form has rectangular, hexagon, circle etc..Wherein, the energy-absorbing box structure letter of square-section
Single, easily fabricated and installation is widely used in the energy-absorption box design of car.But a large amount of real train tests and simulation result table
Bright, square-section energy-absorption box there are some defects, such as impact force wave crest are larger, is crushed insufficient cause in collision energy-absorbing angle
Energy-absorbing value is more low.Therefore, the utility model proposes a shape of the seed be positive rectangular pyramid scrimp thin-wall tube energy-absorbing box-like
Formula.
Utility model content
In order to achieve the above objectives, the utility model provides a kind of electric car anti-collision beam energy absorbing box, so that energy-absorption box is easier to
Conquassation, generates more plastic deformations and conquassation, and the final energy-absorbing value for increasing structure improves crashworthiness.
The technical solution adopted in the utility model are as follows:
A kind of electric car anti-collision beam energy absorbing box, characterized in that including energy-absorbing box body and respectively with energy-absorbing box body
The connected collision prevention girders mounting plate in both ends, stringer mounting plate, the energy-absorbing box body pass through collision prevention girders mounting plate and automobile buffer beam
It is connected, the energy-absorbing box body is connected by stringer mounting plate with automobile longitudinal girder；
The cross section of the energy-absorbing box body is positive hexagonal structure, and each side of the energy-absorbing box body is by several
A positive rectangular pyramid is spliced along matrix arrangement, and (rectangular arranged is to criticize rectangular pyramid equipped with several rows, several columns, and adjacent two layers are just
Connecting line between rectangular pyramid deforms after being convenient for energy-absorbing box body stress)；The positive rectangular pyramid is the hollow structure of bottom opening,
The cone bottom bottom edge of two neighboring positive rectangular pyramid is connected with each other, and the vertex of a cone of positive rectangular pyramid is outwardly；Positive the six of the energy-absorbing box body
It is equipped with honeycomb buffer stopper in the shape cavity of side, the cross section of the honeycomb buffer stopper is positive hexagonal structure.
Further, the cone bottom of the positive rectangular pyramid is parallel to the central axes of energy-absorbing box body.
Further, the honeycomb buffer stopper uses fiberglass reinforced plastics, and passes through gluing and energy-absorbing box body
Regular hexagon inner sidewall be fixedly connected.
Further, the collision prevention girders mounting plate, stringer mounting plate are regular hexagon structure, the collision prevention girders mounting plate
Size it is consistent with the cross sectional dimensions of energy-absorbing box body, the size of the stringer mounting plate is greater than energy-absorption box body cross-section
Size.
Further, several bolts hole are uniformly provided at the side edge of the stringer mounting plate.
Further, a length of 10-20mm in cone bottom edge of the positive rectangular pyramid, is highly 5-10mm, wall thickness (i.e. positive rectangular pyramid
Conical surface thickness) it is 1-3mm.
In the utility model, energy-absorbing box body is aluminum alloy materials, using regular hexagonal section structure.Energy-absorbing box body
6 sides by several sub- shapes be positive rectangular pyramid scrimp thin-wall tube be spliced (4 crest lines of i.e. positive rectangular pyramid be scrimp
Line, convenient for deforming after energy-absorption box stress, thin-wall tube is to criticize rectangular pyramid as hollow structure).The positive rectangular pyramid vertex of a cone outwardly, cone bottom it
Between be spliced to form the cavity inner sidewall of energy-absorbing box body, the honeycomb axially bored line of honeycomb buffer stopper and the axis of energy-absorbing box body are flat
Row.
Compared with prior art, the utility model has the advantages that
1) the utility model uses regular hexagon structure, and energy-absorbing box body is equipped with cellular buffer stopper, is effectively promoted
The intensity of energy-absorption box；
2) it is the scrimp thin-wall tube of positive rectangular pyramid that the utility model, which uses a shape of the seed, so that energy-absorption box is easier to be crushed,
More plastic deformations and conquassation are generated, the energy absorption characteristics of energy-absorption box are effectively increased, improves crashworthiness.
Lasting rising with people to traffic safety attention rate, the demand to good collision performance energy-absorption box is increasingly
It is urgent.The utility model method is simple, easy to operate, improves production efficiency, and market prospects are more optimistic.
Detailed description of the invention
Fig. 1 is the utility model energy-absorption box structural schematic diagram；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the positive rectangular pyramid structural schematic diagram of the utility model；
Fig. 4 is the side view of Fig. 3
In figure: 1 energy-absorbing box body, 2 collision prevention girders mounting plates, 3 stringer mounting plates, 4 positive rectangular pyramids, 5 honeycomb buffer stoppers, 6
Bolt hole.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown, a kind of electric car anti-collision beam energy absorbing box, including energy-absorbing box body 1, collision prevention girders mounting plate 2 and stringer
Mounting plate 3, collision prevention girders mounting plate are connected with energy-absorbing box body one end, and energy-absorption box is fixed on automobile buffer beam by welding；
Stringer mounting plate is connected with the energy-absorbing box body other end, and energy-absorption box is fixed on automobile longitudinal girder using bolt.
Specifically, energy-absorbing box body uses aluminum alloy materials, cross section structure is regular hexagon, effectively increases energy-absorption box
Impact strength.
Specifically, energy-absorbing box body constitutes (i.e. energy-absorbing box body by the scrimp thin-wall tube that a shape of the seed is positive rectangular pyramid 4
Each side be spliced by several positive rectangular pyramids along matrix arrangement), issue energy-absorption box in axial force compression
Raw plastic deformation as much as possible, generates the fold of comparison rule, effectively increases the energy absorption characteristics of energy-absorption box.
Specifically, positive rectangular pyramid bottom edge side length L is 10mm-20mm, high H is 5mm-10mm, and uses hollow structure, wall
Thick 1mm-2mm effectively reduces the weight of energy-absorption box.
Honeycomb buffer stopper 5 is equipped in energy-absorbing box body (cavity), honeycomb buffer stopper uses fiberglass reinforced plastics,
It is fixed in energy-absorbing box body using gluing, significantly improves the cushion performance of energy-absorption box.
It is preferably to implement to illustrate to the utility model, but the utility model is not limited to the implementation above
Example, those skilled in the art can also make without departing from the spirit of the present invention various equivalent variations or
Replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of electric car anti-collision beam energy absorbing box, characterized in that including energy-absorbing box body (1) and respectively with energy-absorbing box body
The connected collision prevention girders mounting plate (2) in both ends, stringer mounting plate (3), the energy-absorbing box body pass through collision prevention girders mounting plate and automobile
Collision prevention girders are connected, and the energy-absorbing box body is connected by stringer mounting plate with automobile longitudinal girder；
The cross section of the energy-absorbing box body is positive hexagonal structure, each side of the energy-absorbing box body by several just
Rectangular pyramid (4) is spliced along matrix arrangement；The positive rectangular pyramid is the hollow structure of bottom opening, two neighboring positive rectangular pyramid
Cone bottom bottom edge be connected with each other, and the vertex of a cone of positive rectangular pyramid is outwardly；Bee is equipped in the regular hexagon cavity of the energy-absorbing box body
Nest shape buffer stopper (5), the cross section of the honeycomb buffer stopper are positive hexagonal structure.
2. a kind of electric car anti-collision beam energy absorbing box according to claim 1, characterized in that the cone bottom of the positive rectangular pyramid
It is parallel to the central axes of energy-absorbing box body.
3. a kind of electric car anti-collision beam energy absorbing box according to claim 1, characterized in that the honeycomb buffer stopper is logical
Gluing is crossed to be fixedly connected with the regular hexagon inner sidewall of energy-absorbing box body.
4. a kind of electric car anti-collision beam energy absorbing box according to claim 1, characterized in that the collision prevention girders mounting plate,
Stringer mounting plate is regular hexagon structure, the size of the collision prevention girders mounting plate and the cross sectional dimensions one of energy-absorbing box body
It causes, the size of the stringer mounting plate is greater than the size of energy-absorption box body cross-section.
5. a kind of electric car anti-collision beam energy absorbing box according to claim 1, characterized in that the side of the stringer mounting plate
Side edge is uniformly provided with several bolts hole (6).
6. a kind of electric car anti-collision beam energy absorbing box according to claim 1, characterized in that the cone bottom of the positive rectangular pyramid
Side length is 10-20mm, is highly 5-10mm, wall thickness 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821235001.4U CN208593365U (en) | 2018-08-02 | 2018-08-02 | A kind of electric car anti-collision beam energy absorbing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821235001.4U CN208593365U (en) | 2018-08-02 | 2018-08-02 | A kind of electric car anti-collision beam energy absorbing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208593365U true CN208593365U (en) | 2019-03-12 |
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ID=65604175
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821235001.4U Active CN208593365U (en) | 2018-08-02 | 2018-08-02 | A kind of electric car anti-collision beam energy absorbing box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391373A (en) * | 2019-07-15 | 2019-10-29 | 华侨大学 | A kind of novel energy-absorbing protection battery case |
| CN111660973A (en) * | 2020-06-17 | 2020-09-15 | 华侨大学 | Automobile anti-collision beam |
| CN111660971A (en) * | 2020-06-15 | 2020-09-15 | 华侨大学 | Automobile energy absorption box |
| CN112061060A (en) * | 2020-07-31 | 2020-12-11 | 东风延锋汽车饰件系统有限公司 | Module combined energy absorber |
-
2018
- 2018-08-02 CN CN201821235001.4U patent/CN208593365U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391373A (en) * | 2019-07-15 | 2019-10-29 | 华侨大学 | A kind of novel energy-absorbing protection battery case |
| CN110391373B (en) * | 2019-07-15 | 2022-05-03 | 华侨大学 | Energy-absorbing protection battery box |
| CN111660971A (en) * | 2020-06-15 | 2020-09-15 | 华侨大学 | Automobile energy absorption box |
| CN111660971B (en) * | 2020-06-15 | 2022-08-26 | 华侨大学 | Automobile energy absorption box |
| CN111660973A (en) * | 2020-06-17 | 2020-09-15 | 华侨大学 | Automobile anti-collision beam |
| CN111660973B (en) * | 2020-06-17 | 2024-02-27 | 华侨大学 | Automobile anti-collision beam |
| CN112061060A (en) * | 2020-07-31 | 2020-12-11 | 东风延锋汽车饰件系统有限公司 | Module combined energy absorber |
| CN112061060B (en) * | 2020-07-31 | 2021-12-07 | 东风延锋汽车饰件系统有限公司 | Module combined energy absorber |
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