CN2835033Y - Head-on collision energy absorption device and flat-head light passenger car having the device - Google Patents
Head-on collision energy absorption device and flat-head light passenger car having the device Download PDFInfo
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- CN2835033Y CN2835033Y CN 200520114582 CN200520114582U CN2835033Y CN 2835033 Y CN2835033 Y CN 2835033Y CN 200520114582 CN200520114582 CN 200520114582 CN 200520114582 U CN200520114582 U CN 200520114582U CN 2835033 Y CN2835033 Y CN 2835033Y
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- gusset
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Abstract
The utility model discloses a head-on collision energy absorption device and a flat-head light passenger car with the device. The energy absorption device is arranged at the front end of a front cross beam, a front fork beam and a front longitudinal beam of a car frame, and comprises a cross energy absorption box and a plurality of energy absorption ribbed slabs nested in the cross energy absorption box. The utility model can efficiently guide carrying members to have orderly metal plastic deformation successively, and the head-on collision energy high efficient absorption device can absorb collision energy by more than 80 percents efficiently, so that the utility model can guarantee that the acceleration of car body and passengers is efficiently reduced in a certain passenger living space, and alleviate the bodily injury to passengers by the head-on collision of cars.
Description
Technical field
The utility model relates to the passive safety feature that uses on a kind of tack light bus, particularly relates to a kind of a kind of collision energy high density, high efficiency absorption plant of tack light bus head-on crash body structure.
Background technology
For the light bus, particularly tack light bus produced at home at present, the anti-performance and relatively poor of bumping of the head-on crash of its structure, all requirement of impassabitity country's frontal collision test (CMVD294 rule) to occupant's protective value.Its reason is that the anterior distortion of tack light passenger car body energy-absorbing space is less, a little less than the anterior bending stiffness of vehicle frame main beam, the K/UP distortion easily takes place in front side member in collision process, preceding floor upwarps, make body front wall, A post and vehicle body and occupant's acceleration/accel big, had a strong impact on the injury index of occupant's head, chest and shank.This situation is present in most tack light buss of present domestic production, and the needs of its body structure incompatibility automotive crash safety need be at body structure installation shock energy absorption device.
The utility model content
Technical problem to be solved in the utility model provides a kind of head-on crash energy absorbing device and has the tack light bus of this device, solves the technical matters of existing tack light passenger car body inadaptability in structure automotive crash safety sexual needs.
To achieve these goals, the utility model provides a kind of head-on crash energy absorbing device, be installed in the front end of vehicle frame front cross rail, front fork beam and front side member, its characteristics are, comprise horizontal energy-absorbing box and the multi-disc energy-absorbing gusset that is nested in the described horizontal energy-absorbing box.
Above-mentioned head-on crash energy absorbing device, its characteristics are that described energy-absorbing gusset is provided with the weakening processing part that is used to produce the axial compression degeneration.
Above-mentioned head-on crash energy absorbing device, its characteristics are that described weakening processing part is the depressed part that is arranged on described energy-absorbing gusset, and the length of described depressed part is 70% of described energy-absorbing gusset height.
Above-mentioned head-on crash energy absorbing device, its characteristics are that described horizontal energy-absorbing box port is provided with connecting panel and the supporting plate that is used for described energy-absorbing box is fixedly mounted on described front cross rail, front fork beam and front side member front end.
Above-mentioned head-on crash energy absorbing device, its characteristics are, it is characterized in that, described energy-absorbing gusset is 6, in the parallel and equally spaced setting of length direction of vertical described horizontal energy-absorbing box, forms five sealings, energy-absorbing space independent and in parallel.
In order better to realize the purpose of this utility model, the utility model also provides a kind of tack light bus, its characteristics are, the front end of the vehicle frame front cross rail of described passenger vehicle, front fork beam and front side member is equipped with the head-on crash energy absorbing device, and described head-on crash energy absorbing device comprises horizontal energy-absorbing box and the multi-disc energy-absorbing gusset that is nested in the described horizontal energy-absorbing box.
Above-mentioned tack light bus, its characteristics are, also comprise: be arranged on the girder reinforcement below the longeron cover plate of described front side member, and/or be arranged on the front fork reinforcement in the described front fork beam trough girder.
Above-mentioned tack light bus, its characteristics are that described energy-absorbing gusset is provided with the depressed part that is used to produce the axial compression degeneration, and the length of described depressed part is 70% of described energy-absorbing gusset height.
Above-mentioned tack light bus, its characteristics are that described horizontal energy-absorbing box port is provided with connecting panel and the supporting plate that is used for described energy-absorbing box is fixedly mounted on described front cross rail, front fork beam and front side member front end.
Above-mentioned tack light bus, its characteristics are that described energy-absorbing gusset is 6, in the parallel and equally spaced setting of length direction of vertical described horizontal energy-absorbing box, form five sealings, energy-absorbing space independent and in parallel.
Technique effect of the present utility model is: the head-on crash energy absorption device that is used for the tack light bus of the present utility model, can improve anterior main anti-the bumping property of load-carrying element of existing tack light passenger car body effectively, can guide simultaneously load-carrying element that sequential successively metal plastic deformation takes place effectively, high density, absorb collision energy expeditiously, can guarantee in certain occupant's living space, to reduce effectively vehicle body and occupant's acceleration/accel, alleviate the personal injury of frontal crash of vehicles the occupant.
Further specify specific embodiment of the utility model below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the schematic perspective view of horizontal energy-absorbing box of the present utility model;
Fig. 2 is an energy-absorbing gusset schematic perspective view of the present utility model;
Fig. 3 is by horizontal energy-absorbing box and six head-on crash energy efficient rate absorption plant scheme drawings that the energy-absorbing gusset is formed among Fig. 1 and Fig. 2;
Fig. 4 is the structural representation that the utility model is installed in light bus.
Wherein, description of reference numerals is as follows:
The horizontal energy-absorbing box of 11-
21-energy-absorbing gusset
22-crumple control muscle
30-head-on crash energy efficient rate absorption plant
The 41-front side member
42-front fork beam
The 43-front cross rail
The specific embodiment
Fig. 1 is the schematic perspective view of horizontal energy-absorbing box of the present utility model, and this energy-absorbing box 11 is the space frame structures that include three faces of rectangle, is incomplete rectangular frame.Fig. 2 is an energy-absorbing gusset schematic perspective view of the present utility model, has two crumple control muscle 22 in the energy-absorbing gusset 21.Fig. 3 is the scheme drawing of head-on crash energy efficient rate absorption plant 30, and as shown in the figure, absorption plant 30 is by horizontal energy-absorbing box 11 and 21 nested compositions of six energy-absorbing gussets.
Fig. 4 is the structural representation that the utility model is installed in light bus, and in Fig. 4, head-on crash energy efficient rate absorption plant 30 is installed in the front portion of tack Light-duty Vehicle, and particular location is the front portion that is installed in front side member 41, front fork beam 42 and front cross rail 43.
Six energy-absorbing gussets 21 of energy absorption device 30 of the present utility model form five independent energy-absorbing spaces in parallel of sealing in energy-absorbing box 11, wherein energy-absorbing gusset 21 has two crumple control muscle 22, crumple control muscle 22 is for being arranged on the depressed part of energy-absorbing gusset, its length is 70% of gusset height, it can guide load-carrying element that sequential successively metal plastic deformation takes place in the head-on crash process effectively, high density, absorbs collision energy expeditiously.Because absorption plant 30 is installed in the front end of front side member 41, front fork beam 42 and front cross rail 43, common performance energy-absorbing function in collision process, and absorption plant 30 has absorbed the collision energy more than 80%, and light bus acceleration/accel and body distortion are significantly reduced.
The port of energy-absorbing box 11 of the present utility model is provided with connecting panel and supporting plate (figure does not show), and connecting panel and supporting plate are used for the energy-absorbing box is fixedly mounted on front cross rail, front fork beam and preceding vertical beam front end.
Below the longeron cover plate of the front side member of tack light bus of the present utility model the girder reinforcement can also be set, in front fork beam trough girder, the front fork reinforcement can also be set.
The core of tack light bus head-on crash device is head-on crash energy efficient rate absorption plant and left and right sides front side member, left and right sides front fork beam and front cross rail; also can increase some other ancillary method; as; select for use and meet seat and the safety strap that impact strength requires; select plastic fuel tank for use; select the interlayer front windshield glass for use; select the high strength engine suspension soft pad for use; transmission shaft increases U type fender guard; with whole reinforcement of the secondary lid of driving engine or the like; these measures and this device are formed a complete system, have improved the collision safety of vehicle on the whole significantly.
Tack light bus of the present utility model under the situation of the energy-absorbing tubing string that does not increase safety air bag, has only increased the requirement that head-on crash energy efficient rate absorption plant 30 just can reach the head-on crash legislative control on safety.
The tack light bus that the utility model provides, by increase head-on crash energy efficient rate absorption plant at body structure, make the axial compression rigidity of this device will be lower than the axial compression rigidity of front cross rail, front fork beam and front side member, and its rigidity will have metastable numerical value when this energy absorption device crumple, prevents sharply the descend appearance of situation of its rigidity; On this basis, in the head-on crash energy efficient rate absorption plant of front side member and body structure to the processing that weakens accordingly of beam and energy-absorbing gusset, guide front side member and body forward structure head-on crash energy efficient rate absorption plant generation axial compression degeneration by the energy-absorbing gusset, thereby improve the energy absorbing level of whole device.Simultaneously, vehicle front side member, girder and trinary beam root are strengthened, the front side member that make of reinforcement has enough bending stiffnesies and enough axial pressure rigidity, with the flexural deformation and the axial crushing deformation of control front side member.By adopting said structure, make the tack light bus in anti-the bumping property of structure with aspect occupant's protection, all have outstanding performance.
The above is preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model; Every equivalence of doing according to the utility model changes and revises, and is all contained by claim of the present utility model.
Claims (10)
1, a kind of head-on crash energy absorbing device is installed in the front end of vehicle frame front cross rail, front fork beam and front side member, it is characterized in that, comprises horizontal energy-absorbing box and is nested in multi-disc energy-absorbing gusset in the described horizontal energy-absorbing box.
2, head-on crash energy absorbing device according to claim 1 is characterized in that, described energy-absorbing gusset is provided with the weakening processing part that is used to produce the axial compression degeneration.
3, head-on crash energy absorbing device according to claim 2 is characterized in that, described weakening processing part is the depressed part that is arranged on described energy-absorbing gusset, and the length of described depressed part is 70% of described energy-absorbing gusset height.
4, head-on crash energy absorbing device according to claim 2 is characterized in that, described horizontal energy-absorbing box port is provided with connecting panel and the supporting plate that is used for described energy-absorbing box is fixedly mounted on described front cross rail, front fork beam and front side member front end.
5, according to claim 1,2,3 or 4 described head-on crash energy absorbing devices, it is characterized in that, it is characterized in that described energy-absorbing gusset is 6, in the parallel and equally spaced setting of length direction of vertical described horizontal energy-absorbing box, form five sealings, energy-absorbing space independent and in parallel.
6, a kind of tack light bus, it is characterized in that, the front end of the vehicle frame front cross rail of described passenger vehicle, front fork beam and front side member is equipped with the head-on crash energy absorbing device, and described head-on crash energy absorbing device comprises horizontal energy-absorbing box and the multi-disc energy-absorbing gusset that is nested in the described horizontal energy-absorbing box.
7, tack light bus according to claim 6 is characterized in that, also comprises: be arranged on the girder reinforcement below the longeron cover plate of described front side member, and/or be arranged on the front fork reinforcement in the described front fork beam trough girder.
8, tack light bus according to claim 7 is characterized in that, described energy-absorbing gusset is provided with the depressed part that is used to produce the axial compression degeneration, and the length of described depressed part is 70% of described energy-absorbing gusset height.
9, tack light bus according to claim 8 is characterized in that, described horizontal energy-absorbing box port is provided with connecting panel and the supporting plate that is used for described energy-absorbing box is fixedly mounted on described front cross rail, front fork beam and front side member front end.
10, according to claim 6,7,8 or 9 described tack light buss, it is characterized in that described energy-absorbing gusset is 6,, form five sealings, energy-absorbing space independent and in parallel in the parallel and equally spaced setting of length direction of vertical described horizontal energy-absorbing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520114582 CN2835033Y (en) | 2005-10-31 | 2005-10-31 | Head-on collision energy absorption device and flat-head light passenger car having the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520114582 CN2835033Y (en) | 2005-10-31 | 2005-10-31 | Head-on collision energy absorption device and flat-head light passenger car having the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2835033Y true CN2835033Y (en) | 2006-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520114582 Expired - Fee Related CN2835033Y (en) | 2005-10-31 | 2005-10-31 | Head-on collision energy absorption device and flat-head light passenger car having the device |
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|---|---|
| CN (1) | CN2835033Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101605677B (en) * | 2007-02-02 | 2012-09-19 | 沙普公司 | Energy absorber and its construction method, and bumper system |
| CN103802769A (en) * | 2014-02-25 | 2014-05-21 | 安徽安凯汽车股份有限公司 | Passive safety energy absorption device used for car body of full-load car |
| CN104443043A (en) * | 2014-11-14 | 2015-03-25 | 浙江吉利汽车研究院有限公司 | Automobile longitudinal beam reinforcer and automobile |
| CN106005019A (en) * | 2016-06-22 | 2016-10-12 | 华南理工大学 | Non-uniform filling type foamed aluminum energy absorption structure |
| CN109204504A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
-
2005
- 2005-10-31 CN CN 200520114582 patent/CN2835033Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101605677B (en) * | 2007-02-02 | 2012-09-19 | 沙普公司 | Energy absorber and its construction method, and bumper system |
| CN103802769A (en) * | 2014-02-25 | 2014-05-21 | 安徽安凯汽车股份有限公司 | Passive safety energy absorption device used for car body of full-load car |
| CN104443043A (en) * | 2014-11-14 | 2015-03-25 | 浙江吉利汽车研究院有限公司 | Automobile longitudinal beam reinforcer and automobile |
| CN104443043B (en) * | 2014-11-14 | 2018-04-10 | 浙江吉利汽车研究院有限公司 | Automobile longitudinal girder reinforcer and automobile |
| CN106005019A (en) * | 2016-06-22 | 2016-10-12 | 华南理工大学 | Non-uniform filling type foamed aluminum energy absorption structure |
| CN109204504A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204504B (en) * | 2017-06-30 | 2020-11-06 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061108 Termination date: 20131031 |