CN113060086A - 25% small offset collision automobile body structure of automobile - Google Patents
25% small offset collision automobile body structure of automobile Download PDFInfo
- Publication number
- CN113060086A CN113060086A CN202110208456.7A CN202110208456A CN113060086A CN 113060086 A CN113060086 A CN 113060086A CN 202110208456 A CN202110208456 A CN 202110208456A CN 113060086 A CN113060086 A CN 113060086A
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- plane
- guide
- automobile
- connecting plate
- collision
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a 25% small offset collision automobile body structure of an automobile, which comprises a front anti-collision beam, a guide body, a guide connecting plate, an energy absorption box, an automobile body front longitudinal beam and an automobile body wheel cover front side beam, wherein one end of the front anti-collision beam is provided with an installation groove, the guide body is arranged in the installation groove, the guide body is provided with the guide connecting plate, the energy absorption box is arranged on the inner side of the front anti-collision beam, one end of the energy absorption box is fixed with the automobile body front longitudinal beam through the installation plate, and the automobile body front longitudinal beam is provided with the automobile body wheel cover front side beam; through setting up guide body and guide connecting plate at preceding crashproof roof beam front end, through utilizing energy-absorbing box and the common energy-absorbing of automobile body front longitudinal, the plane of guidance that cooperation first plane, second plane and third plane formed can produce Y to guide force at the collision in-process, makes the collision barrier along the plane of guidance roll-off, collision barrier and automobile body separation.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a 25% small offset collision automobile body structure of an automobile.
Background
With the increase of the requirements of consumers on the safety performance of the vehicle, the safety requirements of the whole vehicle are increased. The vehicle body is used as a whole vehicle bearing foundation and plays a vital role in passive safety, and the quality of the safety performance of the vehicle body directly determines the quality of the passive safety performance of the vehicle; according to the statistics of various collision accidents at home and abroad and along with the introduction of 25% small offset collision as one of four key indexes for the safety index investigation of the automobile body structure of the Chinese insurance automobile by the Ministry of automotive technology research, 25% small offset collision is more and more concerned by common consumers, thereby also providing higher requirements for a host factory in the development of new automobile products;
in the traditional collision process, a front longitudinal beam of a vehicle body is mainly used as a main path for energy transmission and absorption in the collision process, and in the 25% small offset collision test process, because the front longitudinal beam of the vehicle body is not overlapped with a collision barrier, the front longitudinal beam of the vehicle body has no way to be used as a main path for energy transmission and absorption, the collision barrier directly impacts an A column region, further, the A column region of the vehicle body is very destructive, and the safety of a driver in a passenger cabin is endangered, so that the requirement on the vehicle body structure is improved, and how to meet the double requirements of safety performance and light weight, the excessive weight of the A column region can be ensured not to be increased, and the safety of the vehicle body structure meeting the 25% small offset collision requirement is a technical problem; therefore, the invention provides a 25% small offset collision automobile body structure of an automobile, which aims to solve the defects in the prior art.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a 25% small offset collision vehicle body structure of an automobile, wherein a guide body and a guide connecting plate are arranged at the front end of a front collision-proof beam, energy is absorbed by an energy-absorbing box and a front longitudinal beam of the vehicle body together, and a Y-direction guide force is generated in the collision process by matching with guide surfaces formed by a first plane, a second plane and a third plane, so that a collision barrier slides out along the guide surfaces, and the collision barrier is separated from the vehicle body.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme:
a25% small offset collision vehicle body structure of an automobile comprises a front anti-collision beam, a guide piece body, a guide piece connecting plate, an energy absorption box, a vehicle body front longitudinal beam and a vehicle body wheel cover front side beam, one end of the front anti-collision beam is provided with a mounting groove, a guide piece body is arranged in the mounting groove, a guide piece connecting plate is arranged on the guide piece body, one end of the guide connecting plate is positioned at the position of the guide body, the other end of the guide connecting plate is positioned at the position of the front anti-collision beam, the inner side of the front anti-collision beam is provided with an energy absorption box, one end of the energy absorption box is fixed with the front longitudinal beam of the vehicle body through a mounting plate, the front longitudinal beam of the vehicle body is provided with a front side beam of a vehicle body wheel cover, the guide connecting plate is provided with a first plane, a second plane and a third plane, the first plane, the second plane and the third plane are in arc transition connection, and the first plane, the second plane and the third plane form a guide plane.
The further improvement lies in that: the front anti-collision beam is provided with a first positioning hole, and the guide connecting plate is provided with a second positioning hole matched with the first positioning hole in position.
The further improvement lies in that: the front anti-collision beam, the guide piece body and the guide piece connecting plate are fixedly connected with the first positioning hole and the second positioning hole through positioning bolts.
The further improvement lies in that: the guide connecting plate is characterized in that a first flanging, a second flanging and a third flanging are respectively arranged on two sides of the guide connecting plate, the first flanging and the second flanging are used for coating two side edges of the guide body, and the third flanging is used for coating one side edge of the front anti-collision beam.
The further improvement lies in that: and the front side beam of the wheel cover of the automobile body is welded and fixed with the front longitudinal beam of the automobile body.
The further improvement lies in that: the guide piece connecting plate is provided with a plurality of process lightening holes.
The further improvement lies in that: the guide piece body is provided with a fourth plane, a fifth plane, a sixth plane, a seventh plane and an eighth plane, and the fourth plane, the fifth plane, the sixth plane and the seventh plane are in arc transition connection.
The further improvement lies in that: the fourth plane is matched with the first plane in position, the fifth plane is matched with the second plane in position, the sixth plane is matched with the third plane in position, and the seventh plane and the eighth plane form a supporting surface with the front end face of the front longitudinal beam of the vehicle body.
The further improvement lies in that: the inner side of the guide piece body is provided with a first energy absorption area and a second energy absorption area, and the number of the second energy absorption areas is two.
The further improvement lies in that: and a plurality of shock absorbing holes are arranged on the seventh plane.
The invention has the beneficial effects that: the front end of the front anti-collision beam is provided with the guide piece body and the guide piece connecting plate, the energy absorption box can collapse when bearing collision impact, thereby absorbing energy, the front longitudinal beam of the vehicle body is bent after the energy absorption box absorbs energy and collapses, the front longitudinal beam of the vehicle body absorbs energy through bending, the energy absorption box and the front longitudinal beam of the vehicle body are used for absorbing energy together and are matched with the guide surface formed by the first plane, the second plane and the third plane, the Y-direction guide force is generated in the collision process, so that the collision barrier slides out along the guide surface, the collision barrier is separated from the vehicle body, meanwhile, the support surfaces formed by the seventh plane, the eighth plane and the front end surface of the front longitudinal beam of the vehicle body can synchronously resist the component force generated in the X direction in the collision, thereby ensuring the stability of the structure of the invention, the invention can reduce the transmission of collision energy to the A column area under the structural action, thereby realizing the safety of drivers in the passenger compartment.
Drawings
FIG. 1 is a schematic view of the assembly structure of the structure and the front side member of the vehicle body;
FIG. 2 is a schematic view of the working principle of the structure of the present invention;
FIG. 3 is a schematic front view of the structure of the present invention;
FIG. 4 is a schematic view of the assembly structure of the guide body and the front impact beam according to the present invention;
FIG. 5 is a schematic view of a guide connecting plate according to the present invention;
FIG. 6 is a schematic view of the first, second and third flanges of the present invention;
FIG. 7 is a schematic view of the body of the guide of the present invention;
FIG. 8 is a schematic view of the first energy absorbing region and the second energy absorbing region of the present invention.
Wherein: 1. a front impact beam; 2. a guide body; 3. a guide connecting plate; 4. an energy absorption box; 5. a vehicle body front side member; 6. a front side beam of a wheel cover of the vehicle body; 7. mounting grooves; 8. mounting a plate; 9. a first plane; 10. a second plane; 11. a third plane; 12. a first positioning hole; 13. a second positioning hole; 14. a first flanging; 15. second flanging; 16. third flanging; 17. a process lightening hole; 18. a fourth plane; 19. a fifth plane; 20. a sixth plane; 21. a seventh plane; 22. an eighth plane; 23. a first energy absorption zone; 24. a second energy-absorbing zone; 25. a shock absorbing hole.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, 2, 3, 4, 5, 6, 7, 8, the embodiment provides a 25% small offset collision car body structure of a car, which comprises a front anti-collision beam 1, a guide body 2, a guide connecting plate 3, an energy-absorbing box 4, a car front longitudinal beam 5 and a car wheel cover front side beam 6, wherein one end of the front anti-collision beam 1 is provided with a mounting groove 7, the inside of the mounting groove 7 is provided with the guide body 2, the guide body 2 is provided with the guide connecting plate 3, one end of the guide connecting plate 3 is positioned at the position of the guide body 2, the other end of the guide connecting plate 3 is positioned at the front anti-collision beam 1, the energy-absorbing box 4 is arranged at the inner side of the front anti-collision beam 1, one end of the energy-absorbing box 4 is fixed with the car front longitudinal beam 5 through a mounting plate 8, the car wheel cover front side beam 6 is arranged on the car front, The collision barrier comprises a second plane 10 and a third plane 11, the first plane 9, the second plane 10 and the third plane 11 are in arc transition connection, the first plane 9, the second plane 10 and the third plane 11 form a guide plane, and a Y-direction guide force can be generated in a collision process, so that the collision barrier slides out along the guide plane, and the collision barrier is separated from a vehicle body.
The front anti-collision beam 1 is provided with a first positioning hole 12, and the guide connecting plate 3 is provided with a second positioning hole 13 matched with the first positioning hole 12 in position.
The front anti-collision beam 1, the guide piece body 2 and the guide piece connecting plate 3 are fixedly connected at the first positioning hole 12 and the second positioning hole 13 through positioning bolts.
The guide connecting plate is characterized in that a first flanging 14, a second flanging 15 and a third flanging 16 are respectively arranged on two sides of the guide connecting plate 3, the first flanging 14 and the second flanging 15 are used for coating two side edges of the guide body 2, and the third flanging 16 is used for coating one side edge of the front anti-collision beam 1.
And the front side beam 6 of the wheel cover of the automobile body is welded and fixed with the front longitudinal beam 5 of the automobile body.
The guide piece connecting plate 3 is provided with a plurality of technical lightening holes 17, and the technical lightening holes 17 are arranged.
The guide body 2 is provided with a fourth plane 18, a fifth plane 19, a sixth plane 20, a seventh plane 21 and an eighth plane 22, and the fourth plane 18, the fifth plane 19, the sixth plane 20 and the seventh plane 21 are in arc transition connection.
The fourth plane 18 is matched with the first plane 9 in position, the fifth plane 19 is matched with the second plane 10 in position, the sixth plane 20 is matched with the third plane 11 in position, the seventh plane 21 and the eighth plane 22 form a supporting surface with the front end face of the front longitudinal beam 5 of the vehicle body, and the supporting surface resists component force generated from the X direction in collision, so that the stability of the structure of the invention is ensured, the transmission of collision energy to the A column area can be reduced under the action of the structure of the invention, and the safety of a driver in a passenger compartment is further ensured.
The inner side of the guide piece body 2 is provided with a first energy absorption area 23 and a second energy absorption area 24, and the number of the second energy absorption areas 24 is two.
The seventh plane 21 is provided with a plurality of shock absorbing holes 25, and the shock absorbing holes 25 are provided.
When a vehicle is collided by 25% of small offsets, firstly the energy-absorbing box 4 bears collision impact, the vehicle is crumpled and absorbed, after the energy-absorbing box 4 absorbs energy and crumples, the front longitudinal beam 5 of the vehicle body is bent, the bent front longitudinal beam 5 of the vehicle body can continuously absorb energy, and after the energy-absorbing box 4 collapses and absorbs energy and the front longitudinal beam 5 of the vehicle body is bent and absorbs energy, the guide piece body 2 and the guide piece connecting plate 3 can move backwards along with the collapsing amount of the energy-absorbing box 4 and abut against the front side beam 6 of the wheel cover of the vehicle body to form a closed loop structure (shown in figure 2); the first plane 9, the second plane 10 and the third plane 11 at the front part of the closed-loop structure are used as guide planes, and Y-direction guide force is generated in the collision process, so that the collision barrier slides out along with the guide planes, and the separation of the collision barrier and the vehicle body is realized; the support surfaces formed by the seventh and eighth planes 21, 22 and the front end surface of the front side frame 5 resist the component force generated in the X direction during the collision, and reduce the transmission of collision energy to the a-pillar region.
The front end of the front anti-collision beam 1 is provided with the guide piece body 2 and the guide piece connecting plate 3, the energy-absorbing box 4 can be collapsed after being subjected to collision impact, so that energy is absorbed, the front longitudinal beam 5 of the vehicle body is bent after the energy-absorbing box 4 absorbs energy and collapses, the front longitudinal beam 5 of the vehicle body absorbs energy through bending, the energy-absorbing box 4 and the front longitudinal beam 5 of the vehicle body absorb energy together, and a Y-direction guide force is generated in the collision process by matching with the guide surface formed by the first plane 9, the second plane 10 and the third plane 11, so that the collision barrier slides out along the guide surface, the collision barrier is separated from the vehicle body, meanwhile, the support surface formed by the seventh plane 21, the eighth plane 22 and the front end surface of the front longitudinal beam 5 of the vehicle body can synchronously resist component force generated in the X direction in the collision, so that the stability of the structure of the invention is ensured, and the transmission of the collision energy to an A column area, thereby realizing the safety of the driver in the passenger compartment.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A25% small offset collision automobile body structure of car which characterized in that: including preceding crashproof roof beam (1), guide body (2), guide connecting plate (3), energy-absorbing box (4), automobile body front longitudinal (5) and automobile body wheel casing front boundary beam (6), preceding crashproof roof beam (1) one end is equipped with mounting groove (7), be equipped with guide body (2) in mounting groove (7), be equipped with guide connecting plate (3) on guide body (2), guide connecting plate (3) one end is located guide body (2) position department, guide connecting plate (3) other end is located preceding crashproof roof beam (1) department, preceding crashproof roof beam (1) inboard is equipped with energy-absorbing box (4), energy-absorbing box (4) one end is fixed with automobile body front longitudinal (5) through mounting panel (8), be equipped with automobile body wheel casing front boundary beam (6) on automobile body front longitudinal (5), be equipped with first plane (9) on guide connecting plate (3), The guide device comprises a second plane (10) and a third plane (11), wherein the first plane (9), the second plane (10) and the third plane (11) are in arc transition connection, and the first plane (9), the second plane (10) and the third plane (11) form a guide surface.
2. The automobile 25% small offset collision body structure according to claim 1, characterized in that: the front anti-collision beam (1) is provided with a first positioning hole (12), and the guide connecting plate (3) is provided with a second positioning hole (13) matched with the first positioning hole (12) in position.
3. The automobile 25% small offset collision body structure according to claim 2, characterized in that: the front anti-collision beam (1), the guide piece body (2) and the guide piece connecting plate (3) are fixedly connected at the first positioning hole (12) and the second positioning hole (13) through positioning bolts.
4. The automobile 25% small offset collision body structure according to claim 1, characterized in that: the guide piece connecting plate is characterized in that a first flanging (14), a second flanging (15) and a third flanging (16) are respectively arranged on two sides of the guide piece connecting plate (3), the first flanging (14) and the second flanging (15) are used for coating two side edges of the guide piece body (2), and the third flanging (16) is used for coating one side edge of the front anti-collision beam (1).
5. The automobile 25% small offset collision body structure according to claim 1, characterized in that: and the front side beam (6) of the wheel cover of the automobile body is welded and fixed with the front longitudinal beam (5) of the automobile body.
6. The automobile 25% small offset collision body structure according to claim 1, characterized in that: the guide piece connecting plate (3) is provided with a plurality of technical lightening holes (17), and the technical lightening holes (17) are arranged.
7. The automobile 25% small offset collision body structure according to claim 1, characterized in that: the guide piece body (2) is provided with a fourth plane (18), a fifth plane (19), a sixth plane (20), a seventh plane (21) and an eighth plane (22), and the fourth plane (18), the fifth plane (19), the sixth plane (20) and the seventh plane (21) are in arc transition connection.
8. The automobile 25% small offset collision body structure according to claim 7, characterized in that: the fourth plane (18) is matched with the first plane (9) in position, the fifth plane (19) is matched with the second plane (10) in position, the sixth plane (20) is matched with the third plane (11) in position, and the seventh plane (21) and the eighth plane (22) form supporting surfaces with the front end face of the front longitudinal beam (5) of the vehicle body.
9. The automobile 25% small offset collision body structure according to claim 1, characterized in that: the inner side of the guide piece body (2) is provided with a first energy absorption area (23) and a second energy absorption area (24), and the number of the second energy absorption areas (24) is two.
10. The automobile 25% small offset collision body structure according to claim 7, characterized in that: and a shock absorbing hole (25) is formed in the seventh plane (21), and a plurality of shock absorbing holes (25) are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208456.7A CN113060086A (en) | 2021-02-25 | 2021-02-25 | 25% small offset collision automobile body structure of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208456.7A CN113060086A (en) | 2021-02-25 | 2021-02-25 | 25% small offset collision automobile body structure of automobile |
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| Publication Number | Publication Date |
|---|---|
| CN113060086A true CN113060086A (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110208456.7A Pending CN113060086A (en) | 2021-02-25 | 2021-02-25 | 25% small offset collision automobile body structure of automobile |
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| Country | Link |
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| CN (1) | CN113060086A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027569A (en) * | 2022-07-19 | 2022-09-09 | 浙江吉利控股集团有限公司 | Force transmission structure at front part of vehicle body and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012228906A (en) * | 2011-04-25 | 2012-11-22 | Mazda Motor Corp | Vehicle body front structure of vehicle |
| KR20160068496A (en) * | 2014-12-05 | 2016-06-15 | 주식회사 성우하이텍 | Reinforcement unit of bumper beam for vehicle |
| CN109229042A (en) * | 2018-08-20 | 2019-01-18 | 上海思致汽车工程技术有限公司 | A kind of automobile buffer beam |
| CN109878574A (en) * | 2019-03-15 | 2019-06-14 | 浙江众泰汽车制造有限公司 | It is a kind of for coping with the automotive body structure and its working method of 25% offset collision |
| CN112389542A (en) * | 2020-11-18 | 2021-02-23 | 奇瑞汽车股份有限公司 | Front longitudinal beam front structure adapting to small offset collision |
-
2021
- 2021-02-25 CN CN202110208456.7A patent/CN113060086A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012228906A (en) * | 2011-04-25 | 2012-11-22 | Mazda Motor Corp | Vehicle body front structure of vehicle |
| KR20160068496A (en) * | 2014-12-05 | 2016-06-15 | 주식회사 성우하이텍 | Reinforcement unit of bumper beam for vehicle |
| CN109229042A (en) * | 2018-08-20 | 2019-01-18 | 上海思致汽车工程技术有限公司 | A kind of automobile buffer beam |
| CN109878574A (en) * | 2019-03-15 | 2019-06-14 | 浙江众泰汽车制造有限公司 | It is a kind of for coping with the automotive body structure and its working method of 25% offset collision |
| CN112389542A (en) * | 2020-11-18 | 2021-02-23 | 奇瑞汽车股份有限公司 | Front longitudinal beam front structure adapting to small offset collision |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027569A (en) * | 2022-07-19 | 2022-09-09 | 浙江吉利控股集团有限公司 | Force transmission structure at front part of vehicle body and vehicle |
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Application publication date: 20210702 |