CN201685879U - Collision energy absorption structure and automobile longitudinal beam - Google Patents
Collision energy absorption structure and automobile longitudinal beam Download PDFInfo
- Publication number
- CN201685879U CN201685879U CN2010201507294U CN201020150729U CN201685879U CN 201685879 U CN201685879 U CN 201685879U CN 2010201507294 U CN2010201507294 U CN 2010201507294U CN 201020150729 U CN201020150729 U CN 201020150729U CN 201685879 U CN201685879 U CN 201685879U
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- collision energy
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- absorbing structure
- automobile
- thread groove
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Abstract
The utility model relates to a collision energy absorption structure, an automobile longitudinal beam and an automobile. The collision energy absorption structure comprises a tubular main body and a threaded groove arranged on the main body in a spiral winding manner. The depth of the threaded groove is gradually reduced from one end to the other end, and the threaded groove is formed on the main body in an integrated rolling manner. The collision energy absorption structure can be applied at the front end or the rear end of the automobile longitudinal beam as a main energy absorption structure to absorb impact energy in vertical and oblique directions. Moreover, the collision energy absorption structure can absorb large quantities of energy within limited time, lower the collision peak value and prolong the collision time, thereby well protecting people and the automobile.
Description
Technical field
The utility model relates to a kind of endergonic structure of vehicle passive safety technical field; the collision energy-absorbing structure that particularly relates to an a kind of critical component of the passive security structure as vehicle structure; these parts can absorb lot of energy in automobile generation head-on crash and angle of inclination striking process, improve the protection to people and automobile as much as possible effectively.
Background technology
Along with auto trade in the fast development of China ground, the automobile volume of production and marketing of China has risen to and has been the first in the world, simultaneously the traffic accident amount is surprising first also, automobile brings greatly easily simultaneously in the life of giving people, also gives human safety of life and property because of its traffic accident that causes and has brought serious threat.Vehicle safety has been not only a technical matters, also is an important social concern to a certain extent.Automobile enterprise, government and customer also are more and more higher to its attention.
In the traffic accident, the process of auto against has caused very major injury for human body and automobile, and injury mainly contains the interior wound that human body is produced by mechanical action under the tampering action, and the function to human body injures under the crash acceleration effect.
The body structure design-calculated basic thought of safety is to utilize the front and rear portions conquassation distortion of vehicle body to absorb Impact energy, make in the scope that the power that acts on the occupant and acceleration/accel drop to regulation, and operator's compartment wants firm reliable, guarantees effective living space of occupant.The front end of longeron then will be extremely important energy-absorbing parts, account for the main component of automobile collision procedure energy-absorbing total amount.
The utility model content
Main purpose of the present utility model is, a kind of collision energy-absorbing structure of new structure is provided, and technical matters to be solved is to make it can absorb lot of energy in automobile collision procedure, reduces the impact force peak value, prolong the collision process time, thereby be suitable for practicality more.
Another purpose of the present utility model is, a kind of automobile that can absorb the automobile longitudinal girder of lot of energy and have this longeron is provided, technical matters to be solved is to make its automobile longitudinal girder or automobile absorb energy by deformation when the collision of positive angle of inclination takes place, prolong the collision process time, thereby be suitable for practicality more.
The purpose of this utility model and solve its technical matters and realize by the following technical solutions.According to a kind of collision energy-absorbing structure that the utility model proposes, it comprises body, is tubulose; And thread groove, in a spiral manner around being arranged on the described body.Thread groove is that integral roll extrusion is molded on the body.The degree of depth of described thread groove from one end to the other side shoals gradually; The angular range that the bottom surface line of this thread groove and body side form is 0.1 °-10 °; The pitch of thread groove is 1-100mm; The section form of thread groove is U type, rectangle, trapezoidal, triangle or arc.
The utility model also proposes a kind of automobile longitudinal girder, is provided with aforesaid collision energy-absorbing structure in the front end and/or the rear end of described longeron.
The utility model also proposes a kind of automobile, comprises front bumper, rear bumper and longeron, and the front end of described longeron and/or rear end are provided with aforesaid collision energy-absorbing structure.
By technique scheme, the utility model collision energy-absorbing structure has following advantage at least:
The auto against endergonic structure that the utility model proposes mainly is made of the thin-walled round tube, and flow forming has the thread groove of certain depth on pipe, and the degree of depth is more and more shallow.Thread groove is shallow more more to the back-end.Thread groove can guide collision deformation effectively in collision process, simultaneously the gradually shallow pipe that makes of thread groove is by ' soft ' gradually ' firmly ', and collision process more can be out of shape in order backward successively, reaches good energy-absorbing effect.This structure can be applicable to the front end or the main endergonic structure of rear end conduct of automobile longitudinal girder structure, absorbs the impact energy of vertical and direction of tilt.The utility model is simple in structure, makes maintenance process and is easy to realize, can absorb lot of energy in finite time, reduces the collision peak value, prolongs collision time, thereby protects people and car better.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the schematic perspective view of the collision energy-absorbing structure that the utility model proposes.
Fig. 2 is the lateral plan of the collision energy-absorbing structure that the utility model proposes.
Impact force time history curve when Fig. 3 is collision energy-absorbing structure front normal impact rigid wall.
Impact force time history curve when Fig. 4 is 30 ° of collisions of collision energy-absorbing structure inclination rigid walls.
Fig. 5 is the automobile longitudinal girder structural representation that the utility model proposes.
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of collision energy-absorbing structure, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
As shown in Figure 1, be the schematic perspective view of the collision energy-absorbing structure that the utility model proposes.This collision energy-absorbing structure comprises body 1 and the thread groove 2 that is arranged on the body 1.Described body 1 is the tubulose of hollow, and described thread groove is in a spiral manner around being arranged on the described body, and the degree of depth of thread groove from one end to the other side shoals gradually.This thread groove adopts the roll extrusion mode one-body molded on body.As shown in Figure 2, the scope of the angle [alpha] that the bottom surface line of the thread groove of this collision energy-absorbing structure and body side form is 0.1 °-10 °, in this scope of this angle, can obtain preferable energy-absorbing effect, certainly, the utility model is not got rid of this angle [alpha] have the collision energy-absorbing effect yet outside above-mentioned angular range.The pitch d of described thread groove is 1-100mm; That the degree of depth h of thread groove is 0-20mm.The section form of described thread groove is U type, rectangle, trapezoidal, triangle or arc.The collision energy-absorbing structure that the utility model proposes, when being compressed impact, the conquassation distortion can take place in these parts very wellly, thereby absorbs energy.The thread groove structure can guide collision deformation effectively in collision process, simultaneously the gradually shallow tubular body that makes of thread groove is by ' soft ' gradually ' firmly ', and collision process more can be out of shape in order backward successively, reaches good energy-absorbing effect.See also Fig. 3 and shown in Figure 4, the impact force time history curve when the impact force time history curve when Fig. 3 is this collision energy-absorbing structure front normal impact rigid wall, Fig. 4 are 30 ° of collisions of this collision energy-absorbing structure inclination rigid walls.This collision energy-absorbing structure can be applicable to the front end or the main endergonic structure of rear end conduct of automobile longitudinal girder structure, absorbs the impact energy of vertical and direction of tilt.
Fig. 5 is the automobile longitudinal girder constructional drawing that the utility model proposes.Present embodiment also proposes a kind of automobile longitudinal girder, comprises longeron body 10 and collision energy-absorbing structure 40.Described collision energy-absorbing structure 40 is the described collision energy-absorbing structure of previous embodiment, and it can be arranged on this longeron front end or rear end, also this collision energy-absorbing structure 40 can all be set in the front-end and back-end of longeron.
The utility model also proposes a kind of automobile, comprises as shown in Figure 5 automobile longitudinal girder body 10 and bumper/spoiler 20 and bumper/spoiler 30, also comprises at least one end that is arranged on longeron body 10 and the collision energy-absorbing structure 40 between the described bumper/spoiler.This collision energy-absorbing structure can vertically be symmetrically arranged between automobile longitudinal girder and bumper beam.The automobile that the utility model proposes is when bumping; the thread groove of collision energy-absorbing structure can guide collision deformation effectively; simultaneously the gradually shallow tubular body that makes of thread groove is by ' soft ' gradually ' firmly '; collision process is distortion successively backward in order more; reach good energy-absorbing effect, thereby protected the personal safety of automobile driver.Because passive security functional component---the collision energy-absorbing structure in the automobile collision procedure can absorb collision energy, reduce the crash acceleration peak value, prolong the collision process time, improve the passive security performance of automobile.
The technology innovation of the utility model collision energy-absorbing structure that above-mentioned structure like this constitutes all has many saving graces for technical personnel of the same trade now, and the progressive that possesses skills really.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. collision energy-absorbing structure is characterized in that it comprises:
Body is tubulose; And
Thread groove is in a spiral manner around being arranged on the described body.
2. collision energy-absorbing structure according to claim 1 is characterized in that the degree of depth of described thread groove from one end to the other side shoals gradually.
3. collision energy-absorbing structure according to claim 2 is characterized in that the bottom surface line of described thread groove and the angular range that the body side forms are 0.1 °-10 °.
4. collision energy-absorbing structure according to claim 1, the pitch that it is characterized in that described thread groove is 1-100mm.
5. collision energy-absorbing structure according to claim 1, the section form that it is characterized in that described thread groove are U type, rectangle, trapezoidal, triangle or arc.
6. collision energy-absorbing structure according to claim 1 is characterized in that thread groove is that integral roll extrusion is molded on the body.
7. an automobile longitudinal girder is characterized in that being provided with each described collision energy-absorbing structure of claim 1-6 in the front end and/or the rear end of described longeron.
8. an automobile comprises front bumper, rear bumper and longeron, it is characterized in that the front end of described longeron and/or rear end are provided with each described collision energy-absorbing structure of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201507294U CN201685879U (en) | 2010-04-02 | 2010-04-02 | Collision energy absorption structure and automobile longitudinal beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201507294U CN201685879U (en) | 2010-04-02 | 2010-04-02 | Collision energy absorption structure and automobile longitudinal beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201685879U true CN201685879U (en) | 2010-12-29 |
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ID=43374167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201507294U Expired - Fee Related CN201685879U (en) | 2010-04-02 | 2010-04-02 | Collision energy absorption structure and automobile longitudinal beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201685879U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465966A (en) * | 2013-08-31 | 2013-12-25 | 天津博信汽车零部件有限公司 | Automotive floor bearer assembly |
| CN103625401A (en) * | 2013-12-10 | 2014-03-12 | 湖南大学 | Window type thin-wall square tube energy absorption device |
| CN105667599A (en) * | 2016-03-31 | 2016-06-15 | 长沙理工大学 | Novel vehicle anti-collision energy-absorbing beam structure |
-
2010
- 2010-04-02 CN CN2010201507294U patent/CN201685879U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465966A (en) * | 2013-08-31 | 2013-12-25 | 天津博信汽车零部件有限公司 | Automotive floor bearer assembly |
| CN103465966B (en) * | 2013-08-31 | 2016-01-27 | 天津博信汽车零部件有限公司 | A kind of Automotive floor bearer assembly |
| CN103625401A (en) * | 2013-12-10 | 2014-03-12 | 湖南大学 | Window type thin-wall square tube energy absorption device |
| CN103625401B (en) * | 2013-12-10 | 2015-08-19 | 湖南大学 | A kind of band window thin-wall square tube energy absorption device |
| CN105667599A (en) * | 2016-03-31 | 2016-06-15 | 长沙理工大学 | Novel vehicle anti-collision energy-absorbing beam structure |
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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: 20101229 Termination date: 20110402 |