CN210391031U - Two-stage collapsing type automobile anti-collision assembly - Google Patents
Two-stage collapsing type automobile anti-collision assembly Download PDFInfo
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- CN210391031U CN210391031U CN201920931554.1U CN201920931554U CN210391031U CN 210391031 U CN210391031 U CN 210391031U CN 201920931554 U CN201920931554 U CN 201920931554U CN 210391031 U CN210391031 U CN 210391031U
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Abstract
The utility model discloses a two-stage formula car anticollision subassembly that contracts that bursts, include: girder, auxiliary girder and energy-absorbing box, the girder sets up in the auxiliary girder with one heart, the positive indent of auxiliary girder is provided with the first cell body with the positive contact of girder, the indent of auxiliary girder back is provided with the second cell body with girder back contact, the energy-absorbing box interval sets up the back at the auxiliary girder, the energy-absorbing box front end is provided with the closure plate, be provided with the setting element that extends to in the second cell body on the closure plate, be provided with the nut in the setting element, be provided with the bolt that runs through girder and auxiliary girder and be connected with the nut in the first cell body. In this way, two-stage formula car anticollision subassembly that contracts bursts, adopted the auxiliary girder very much to carry out the protection and the structure of girder and strengthen, when the vehicle met bigger striking a little, the energy-absorbing box was burst earlier and is contracted and realize the absorption of part striking energy, then first cell body and second cell body are burst and are contracted and realize the absorption of surplus striking energy, realize that the second grade is burst and contract the protection.
Description
Technical Field
The utility model relates to the technical field of automobiles, especially, relate to a two-stage formula car anticollision subassembly that contracts that bursts.
Background
In order to improve the safety performance of the vehicle, most vehicles are provided with the anti-collision beams. The anti-collision beam can generate plastic deformation when the vehicle is violently collided, partial impact is absorbed, further damage of the vehicle is reduced, the anti-collision beam which generates the plastic deformation loses the original rigidity, the anti-collision beam needs to be integrally replaced, and the cost is higher.
In order to reduce the maintenance cost of the anti-collision beam, an energy absorption box is arranged between the cross beam and the frame longitudinal beam of part of vehicles, so that low-speed safety protection is realized. The energy absorption box is a metal thin-wall component, and is easy to wrinkle and deform during collision, so that a vehicle can effectively absorb collision energy during low-speed collision, the damage of collision force to a vehicle body longitudinal beam is reduced as much as possible, the passive safety of the vehicle is improved, and the maintenance cost caused by non-severe collision is reduced.
The energy absorption box is stable in impact energy absorption capacity, and part of collision can exceed the impact energy absorption capacity range of the energy absorption box, so that the beam is subjected to plastic deformation, namely, the energy absorption box can only realize primary collapse, and the energy absorption box is difficult to be quickly separated from the beam after being deformed, so that the maintenance convenience is influenced, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a two-stage ulcerate formula car anticollision subassembly that contracts, realizes that the two-stage is ulcerated and contracts, strengthens the protection to the crossbeam, reduces the maintenance cost.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a two-stage crush type vehicle bumper assembly comprising: girder, auxiliary girder and energy-absorbing box, the girder sets up in the auxiliary girder with one heart, the positive indent of auxiliary girder is provided with the first cell body with the positive contact of girder, the indent of auxiliary girder back is provided with the second cell body with girder back contact, the energy-absorbing box interval sets up the back at the auxiliary girder, the energy-absorbing box front end is provided with the closure plate, be provided with the setting element that extends to in the second cell body on the closure plate, be provided with the nut in the setting element, be provided with the bolt that runs through girder and auxiliary girder and be connected with the nut in the first cell body.
In a preferred embodiment of the present invention, the positioning member is a C-shaped channel steel, and the positioning member is welded to the front end of the plugging plate.
In a preferred embodiment of the present invention, the wall thickness of the energy-absorbing box is smaller than the wall thickness of the secondary beam, so that the energy-absorbing box forms a first-stage collapsing mechanism.
In a preferred embodiment of the present invention, the wall thickness of the secondary beam is smaller than the wall thickness of the primary beam, so that the secondary beam forms the second stage collapsing mechanism.
In a preferred embodiment of the present invention, the crash box is provided with a collapse inducing groove.
In a preferred embodiment of the present invention, a mounting plate is disposed at the rear end of the energy-absorbing box.
In a preferred embodiment of the present invention, the main beam and the secondary beam are hollow steel pipes or hollow aluminum alloy pipes, respectively.
In a preferred embodiment of the present invention, the front surface of the secondary beam is covered with a foam board, and the back surface of the foam board is convexly provided with a protruding strip entering the first groove body.
In a preferred embodiment of the present invention, the protruding strip is provided with glue connected to the first groove sidewall.
In a preferred embodiment of the present invention, the secondary beam is provided therein with a collapsing cavity located on both sides of the first and second tanks.
The utility model has the advantages that: the utility model provides a two-stage formula car anticollision subassembly that contracts bursts, adopted the auxiliary girder very much to carry out the protection and the structure enhancement of girder, when the vehicle meets less striking, the energy-absorbing box bursts to contract and carries out the energy-absorbing, realize the one-level protection that contracts that bursts, and the bolt receives the protection of first cell body and can not warp, convenient dismantlement, the cost of maintenance is low, when the vehicle meets bigger striking slightly, the energy-absorbing box bursts earlier and contracts and realizes the absorption of partial striking energy, then first cell body and second cell body burst to contract and realize the absorption of surplus striking energy, realize the protection that contracts is burst to the second grade, avoid the deformation of girder, only when the vehicle meets great striking, the girder just can be out of shape, nevertheless after the protection that contracts is burst to the second grade, the striking energy that the girder received significantly reduces, further promoted the protection to vehicle and driver and.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a two-stage collapse type vehicle bumper assembly of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
the two-stage collapse type vehicle anti-collision assembly shown in fig. 1-2 comprises: girder 5, auxiliary girder 3 and energy-absorbing box 2, girder 5 sets up in auxiliary girder 3 with one heart, utilizes auxiliary girder 3 to strengthen the protection and the holistic structural strength of girder 5, girder 5 and auxiliary girder 3 are hollow steel pipe or hollow aluminum alloy pipe respectively, light in weight, and structural strength is high, and girder 5 can be taken out alone, reduces the maintenance cost.
The front indent of auxiliary girder 3 is provided with the first cell body 11 with 5 front contacts of girder, the indent of 3 backs of auxiliary girder is provided with the second cell body 10 with 5 back contacts of girder, be provided with the routed cavity 12 that contracts that is located first cell body 11 and second cell body 10 both sides in the auxiliary girder 3, when receiving certain striking, the cavity 12 that contracts of bursting makes first cell body 11 and second cell body 10 can burst and contract, realizes the absorption of part striking energy.
As shown in fig. 1, the energy absorption boxes 2 are arranged on the back of the auxiliary beam 3 at intervals, the rear ends of the energy absorption boxes 2 are provided with mounting plates 1, and mounting holes are formed in four corners of each mounting plate 1, so that the energy absorption boxes can be conveniently fixed on a vehicle girder by screws.
2 front end welding of energy-absorbing box is provided with shutoff board 8, be provided with setting element 6 that extends to in the second cell body 10 on the shutoff board 8, as shown in fig. 2, setting element 6 is C shape channel-section steel, 6 welding of setting element is at the shutoff board front end, and sound construction, setting element 6 get into in the second cell body 10 in addition, and setting element 6 upper and lower surface respectively with the contact of second cell body 10 inner wall and spacing, carry out the height spacing of energy-absorbing box 2, it is more convenient to assemble, and the structure is more stable, and it is also more convenient to dismantle.
Be provided with nut 9 in the setting element 6, nut 9 welded fastening is in setting element 6, stable in structure, be provided with the bolt 7 that runs through girder 5 and auxiliary girder 3 and be connected with nut 9 in the first cell body 11, it is more convenient to install and dismantle, and bolt 7's protection can be carried out to first cell body 11 in addition, the convenience of bolt 7 dismantlement when promoting the maintenance.
The wall thickness of the energy absorption box 2 is smaller than that of the auxiliary beam 3, so that the energy absorption box 2 forms a first-stage crumple mechanism. The energy absorption box 2 is provided with a crumpling induction groove, when a vehicle encounters small impact, the energy absorption box 2 is crumpled to absorb energy, and primary crumpling protection is achieved. The wall thickness of the auxiliary beam 3 is smaller than that of the main beam 5, so that the auxiliary beam 3 forms a second-stage crumple mechanism, when a vehicle encounters a slightly large impact, the energy absorption box 2 is crumpled firstly to absorb part of impact energy, then the first tank body 11 and the second tank body 10 are crumpled to absorb the rest impact energy, secondary crumple protection is achieved, and deformation of the main beam 5 is avoided.
3 openly covers of auxiliary girder and is provided with a cystosepiment 4, utilizes cystosepiment 4 to carry out elastic buffer, reduces plastic bumper and passerby's injury, cystosepiment 4 back evagination is provided with the sand grip that gets into in the first cell body 11, forms the structure that the cross-section is T shape, and the sand grip carries out cystosepiment 4's location, be provided with the glue that is connected with first cell body 11 lateral wall on the sand grip, realize the fixed of sand grip, avoid the problem of droing.
To sum up, the utility model discloses a two-stage formula car anticollision subassembly that contracts bursts who points out, the equipment is convenient, according to the dynamics of striking, realizes that the one-level is burst and is contracted protection and the protection is burst to contract by the second grade, has strengthened the protection of vehicle, has further reduced the expense of maintaining.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (10)
1. A two-stage collapse automotive bumper assembly comprising: girder, auxiliary girder and energy-absorbing box, the girder sets up in the auxiliary girder with one heart, the positive indent of auxiliary girder is provided with the first cell body with the positive contact of girder, the indent of auxiliary girder back is provided with the second cell body with girder back contact, the energy-absorbing box interval sets up the back at the auxiliary girder, the energy-absorbing box front end is provided with the closure plate, be provided with the setting element that extends to in the second cell body on the closure plate, be provided with the nut in the setting element, be provided with the bolt that runs through girder and auxiliary girder and be connected with the nut in the first cell body.
2. The two-stage crush type vehicle bumper assembly of claim 1, wherein the positioning member is a C-shaped channel and the positioning member is welded to a front end of the blanking plate.
3. The two-stage crush tower assembly of claim 1, wherein the energy-absorbing box has a wall thickness less than a wall thickness of the secondary beam such that the energy-absorbing box forms a first stage crush mechanism.
4. The two-stage crush vehicle bumper assembly of claim 3, wherein the secondary beam has a wall thickness less than a wall thickness of the primary beam such that the secondary beam forms a second stage crush mechanism.
5. The two-stage crush tower assembly of claim 1, wherein the crash box has a crush inducer channel disposed thereon.
6. The two-stage crush tower assembly of claim 1, wherein a mounting plate is disposed at a rear end of the crash box.
7. The two-stage crush tower assembly of claim 1, wherein the primary and secondary beams are each hollow steel or aluminum alloy tubes.
8. The two-stage crush type vehicle bumper assembly as recited in claim 1, wherein the front face of the secondary beam is covered with a foam panel, and the back face of the foam panel is convexly provided with ribs that enter the first channel.
9. The two-stage crush type vehicle bumper assembly as recited in claim 8, wherein the ribs are provided with glue that is connected to the side walls of the first channel.
10. The two-stage crush type vehicle bumper assembly as recited in claim 1, wherein the secondary beam has crush cavities therein on both sides of the first and second slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931554.1U CN210391031U (en) | 2019-06-20 | 2019-06-20 | Two-stage collapsing type automobile anti-collision assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931554.1U CN210391031U (en) | 2019-06-20 | 2019-06-20 | Two-stage collapsing type automobile anti-collision assembly |
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| CN210391031U true CN210391031U (en) | 2020-04-24 |
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| CN201920931554.1U Active CN210391031U (en) | 2019-06-20 | 2019-06-20 | Two-stage collapsing type automobile anti-collision assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116691A (en) * | 2019-06-20 | 2019-08-13 | 沙洲职业工学院 | A kind of two-stage collapse type automobile collision preventing component |
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2019
- 2019-06-20 CN CN201920931554.1U patent/CN210391031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116691A (en) * | 2019-06-20 | 2019-08-13 | 沙洲职业工学院 | A kind of two-stage collapse type automobile collision preventing component |
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