CN109910802B - Novel small offset structure - Google Patents
Novel small offset structure Download PDFInfo
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- CN109910802B CN109910802B CN201910168637.4A CN201910168637A CN109910802B CN 109910802 B CN109910802 B CN 109910802B CN 201910168637 A CN201910168637 A CN 201910168637A CN 109910802 B CN109910802 B CN 109910802B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
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- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 12
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- 208000014674 injury Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
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Abstract
本发明涉及汽车技术领域，具体是一种新型的小偏置结构，包括第一吸能框架和第二吸能框架；所述第一吸能框架包括防撞横梁、吸能盒和前纵梁，所述防撞横梁设置在车身前舱前端，所述防撞横梁两侧设有引导件，所述引导件用于引导车辆预偏移；所述吸能盒的前部突出于所述防撞横梁的前端，所述吸能盒的后部与所述前纵梁连接；所述第二吸能框架包括水箱横梁、上边梁和连接板，所述上边梁与所述水箱横梁连接，所述水箱横梁位于所述防撞横梁的上方，所述连接板的下端与所述前纵梁连接，所述连接板的上端与所述上边梁连接。本发明具能够当发生碰撞时，避免车辆在小偏置时持续正面碰撞，增加碰撞能量的传递和分散，加强纵梁强度，降低对车辆以及人员的伤害。
The invention relates to the technical field of automobiles, in particular to a novel small offset structure, comprising a first energy-absorbing frame and a second energy-absorbing frame; the first energy-absorbing frame includes an anti-collision beam, an energy-absorbing box and a front longitudinal beam , the anti-collision beam is arranged at the front end of the front cabin of the vehicle body, and there are guides on both sides of the anti-collision beam, and the guides are used to guide the vehicle to pre-shift; the front part of the energy-absorbing box protrudes from the anti-collision beam The front end of the cross beam is hit, and the rear part of the energy-absorbing box is connected with the front longitudinal beam; the second energy-absorbing frame includes a water tank beam, an upper side beam and a connecting plate, and the upper side beam is connected with the water tank beam, so The water tank beam is located above the anti-collision beam, the lower end of the connecting plate is connected with the front longitudinal beam, and the upper end of the connecting plate is connected with the upper side beam. When a collision occurs, the present invention can avoid continuous frontal collision of the vehicle with a small offset, increase the transmission and dispersion of collision energy, strengthen the strength of the longitudinal beam, and reduce the damage to the vehicle and personnel.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a novel small offset structure.
Background
The American Highway safety insurance Association is a third-party organization with non-profit property sponsored by automobile insurance companies, is one of the most well-known global automobile safety evaluation organizations, is known as IIHS (national institute of Security) with strict and strict test items, and is an important component of the world safety standard. The IIHS tests for safety assessment of vehicles only initially have 40% offset frontal impact, side impact, roof strength tests and whiplash tests simulating rear-end collisions of vehicles. According to the test results of years, most vehicles can achieve good results in the 40% offset collision term, but the number of deaths caused by the vehicle front collision accidents in the United states is not greatly reduced every year. According to investigation, among the accidents causing death, the collision with smaller overlapping area is the main cause of death, and for this IIHS, a more severe 25% overlapping offset collision test was creatively added since 2013. A 25% frontal overlap crash refers to a test vehicle impacting only a solid mass having an overlap area equivalent to 25% of the width of the vehicle body at a speed of 40 miles per hour (64 kilometers per hour). The collision area is greatly reduced, and the most important front longitudinal beam of the energy-absorbing and force-transmitting structure in the traditional vehicle body structure is avoided, so that the requirement on the safety performance of the vehicle structure is more severe.
With the vigorous support of the national policy on the automobile industry, a large amount of time and energy are put into domestic host plants and research institutions to hope to realize the dream of overtaking in the automobile industry. In recent years, the requirements of consumers on the performance of automobile products are continuously increased, more and more automobile types with all-aluminum automobile body structures are used, the research on the field of passive safety of the automobile is deepened, the corresponding eye is widened, the target market is widened, and the top safety evaluation system in foreign countries is also brought into the consideration target of local automobile enterprises in the research and development of new automobile types. The collision of small overlapped surfaces often seriously damages the structure of a passenger compartment, thereby bringing great harm to passengers, particularly front passengers, and meanwhile, because the vehicle has the movement tendency of rotation and transverse deviation in the collision, how to protect the passengers in the vehicle is very important.
Patent No. 201710276747.3 discloses a little biasing automobile body front deck, including preceding beam of protecting, the energy-absorbing box, mounting panel on the radiator, go up the longeron, the front suspension mounting panel, radiator erection bracing post, the headlight crossbeam, the longitudinal beam that bends down, lower A post riser, the front dash, preceding dash bottom end rail, preceding wind window planking, the front deck crossbeam, these subassemblies have formed the multi-layer multidirectional energy-absorbing frame structure, the energy that produces in a plurality of frame construction can the effective absorption collision in-process, the multipath dispersion and the impact force that transmits the collision in-process and produce, thereby promote the front deck to the absorbing capacity of collision energy.
This patent can absorb the energy of collision, but energy-absorbing frame structure is more, and the structure is more complicated, and manufacturing cost and maintenance cost are higher, can not effectually avoid the car to last frontal collision when little offset collision simultaneously to can not increase the torsional rigidity of car, in order to guarantee the effective dispersion of impact, can not satisfy the requirement in the face of the more harsh 25% overlap offset collision test.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a novel small offset structure, which has a guide structure and a closed loop structure, and when in collision, the present invention avoids the continuous frontal collision of the vehicle during small offset, increases the transmission and dispersion of collision energy, strengthens the strength of the longitudinal beam, and reduces the injury to the vehicle and the personnel.
In order to solve the above problems, the present invention provides a novel small offset structure, which comprises a first energy absorbing frame and a second energy absorbing frame; the first energy absorption frame comprises an anti-collision cross beam, energy absorption boxes and front longitudinal beams, the anti-collision cross beam is arranged at the front end of a front cabin of a vehicle body, guide pieces are arranged on two sides of the anti-collision cross beam, and the guide pieces are used for guiding a vehicle to pre-deflect; the front part of the energy absorption box protrudes out of the front end of the anti-collision cross beam, and the rear part of the energy absorption box is connected with the front longitudinal beam; the second energy-absorbing frame comprises a water tank cross beam, an upper boundary beam and a connecting plate, the upper boundary beam is connected with the water tank cross beam, the water tank cross beam is located above the anti-collision cross beam, the lower end of the connecting plate is connected with the front longitudinal beam, and the upper end of the connecting plate is connected with the upper boundary beam.
Further, the energy absorption box is of a six-grid structure.
Furthermore, the energy absorption box and the anti-collision beam are connected in a bolt mode.
Further, the energy absorption box is connected with the front longitudinal beam in a multi-section mode.
Furthermore, the interior of the front longitudinal beam is of a multi-cavity structure.
Further, a gap is arranged between the front longitudinal beam and the guide piece.
Further, the roof side rail is half circular arc type for guide vehicle skew.
Further, the first energy-absorbing frame and the second energy-absorbing frame are both made of aluminum materials.
The invention protects an automobile comprising the novel small offset structure, and the small offset structure is arranged in a front cabin of the automobile body.
Due to the technical scheme, the invention has the following beneficial effects:
1) according to the novel small offset structure, the energy absorption box protrudes out of the front end of the anti-collision beam, so that the energy absorption box is firstly collided when in collision, the anti-collision beam is prevented from being firstly broken, and the stability of collision energy transfer is improved.
2) The novel small offset structure provided by the invention is provided with the guide structure, so that the continuous frontal collision of the vehicle can be avoided when the vehicle collides, the damage to the vehicle and personnel is reduced, and the vehicle maintenance cost is reduced.
3) The novel small offset structure has a closed loop structure, increases the transmission of collision energy, strengthens the strength of the longitudinal beam, ensures the dispersion of the collision energy and protects passengers.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural diagram of a novel small bias structure provided by an embodiment of the present invention;
fig. 2 is a partial schematic view of a novel small bias structure provided by an embodiment of the present invention.
In the figure: 1-a first energy absorption frame, 11-an anti-collision beam, 111-a guide piece, 12-an energy absorption box, 13-a front longitudinal beam, 2-a second energy absorption frame, 21-a water tank beam, 22-a top edge beam and 23-a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
Example one
The first embodiment provides a novel small offset structure, which comprises a first energy-absorbing frame 1 and a second energy-absorbing frame 2.
Referring to fig. 1 and 2, the first energy absorption frame 1 includes an anti-collision beam 11, an energy absorption box 12 and a front longitudinal beam 13, the anti-collision beam 11 is disposed in a front cabin of a vehicle body, guide members 111 are disposed on left and right sides of the anti-collision beam 11, a gap is disposed between the guide members 111 and the front longitudinal beam 13, the guide members 111, the anti-collision beam 11 and the front longitudinal beam 13 form a guide structure for guiding a vehicle to pre-deflect, the energy absorption box 12 is disposed on left and right sides of the anti-collision beam 11, a front portion of the energy absorption box 11 protrudes out of a front end of the anti-collision beam 11, a rear portion of the energy absorption box 11 is connected with a multi-section of the front longitudinal beam 13, and the energy absorption box 12 is used for absorbing collision energy in advance, thereby being beneficial to.
Specifically, the energy absorption box 12 is of a six-grid structure, and the energy absorption box 12 and the anti-collision beam 13 are connected through bolts, so that damage of a heat effect area formed by a welding arc to a connection part is eliminated.
Specifically, the interior of the front longitudinal beam 13 is of a multi-cavity structure, and the multi-cavity structure is used for enhancing the bending resistance of the longitudinal beam and preventing injury to passengers.
As shown in fig. 1, the second energy-absorbing frame 2 includes a water tank cross beam 21, a roof side rail 22 and a connecting plate 23, the water tank cross beam 21 is disposed at the front end of the front cabin of the vehicle body, the water tank cross beam 21 is connected with the upper end of the roof side rail 22, the lower end of the roof side rail 22 is connected with the connecting plate 23, the roof side rail 22 is disposed at the upper end of the front side rail 13, the connecting plate 23 is disposed at the front end of the front side rail 13, the lower end of the connecting plate 23 is connected with the front side rail 13, the upper end of the connecting plate 23 is connected with the roof side rail 22, and the water tank cross beam 21, the roof side rail 22 and the connecting plate 23 form a closed loop structure for dispersing and transmitting collision energy and enhancing the torsional rigidity of the.
Specifically, the roof side rail 22 is a semi-circular arc that can redirect the vehicle's excursion.
Specifically, when a vehicle collides, the crash box 12 is collided first, the six-grid structure of the crash box 12 can absorb more collision energy, the crash cross beam 11 is not broken before crushing, the crash cross beam 11 continues to collide, the end parts at two sides of the crash cross beam 11 are bent, and the vehicle can be guided to pre-deflect due to the guide part 111, the crash cross beam 11 and the front longitudinal beam 13 forming a guide structure.
Specifically, when the energy absorption box 12 is crushed by continuous collision, the front longitudinal beam 13 has a multi-cavity structure inside, and the front longitudinal beam 13 is connected with the energy absorption box 12 in a multi-section manner, so that collision energy can be transmitted and dispersed; meanwhile, the second energy-absorbing frame 2 comprises a water tank cross beam 21, a top side beam 22 and a connecting plate 23, the connecting plate 23 is arranged at the front end of the front longitudinal beam 13, the lower end of the top side beam 22 is connected with the connecting plate 23, the upper end of the top side beam 22 is connected with the water tank cross beam 21, and the second energy-absorbing frame 2 transmits and disperses collision energy.
Specifically, when collision continues, the roof side rail 22 is in a semicircular arc shape, and can guide the vehicle to deviate again, shorten the process of small offset collision of the vehicle, and reduce damage.
This embodiment one provides a neotype little offset structure, has guide structure and closed loop structure, and when the collision, avoids the vehicle to last head-on collision when little offset, increases the transmission and the dispersion of collision energy, strengthens longeron intensity, reduces the injury to vehicle and personnel.
Example two
The second embodiment provides an automobile comprising the small offset structure, wherein the small offset structure comprises a first energy-absorbing frame 1 and a second energy-absorbing frame 2.
Specifically, the first energy absorption frame 1 comprises an anti-collision cross beam 11, an energy absorption box 12 and a front longitudinal beam 13, the anti-collision cross beam 11 is arranged in a front cabin of a vehicle body, guide pieces 111 are arranged on the left side and the right side of the anti-collision cross beam 11, a gap is arranged between the guide pieces 111 and the front longitudinal beam 13, the guide pieces 111, the anti-collision cross beam 11 and the front longitudinal beam 13 form a guide structure for guiding a vehicle to pre-deflect, the energy absorption box 12 is arranged on the left side and the right side of the anti-collision cross beam 11, the front portion of the energy absorption box 11 protrudes out of the front end of the anti-collision cross beam 11, the rear portion of the energy absorption box 11 is connected with the front longitudinal beam 13 in a multi-section mode, the energy absorption box 12 is used.
Specifically, the energy absorption box 12 is of a six-grid structure, and the energy absorption box 12 and the anti-collision beam 13 are connected through bolts, so that damage of a heat effect area formed by a welding arc to a connection part is eliminated.
Specifically, the front longitudinal beams 13 are arranged on two sides of a front cabin of the vehicle body, and the interior of each front longitudinal beam 13 is of a multi-cavity structure and is used for enhancing the bending resistance of the longitudinal beam and preventing passengers from being injured.
Specifically, the second energy-absorbing frame 2 comprises a water tank cross beam 21, an upper side beam 22 and a connecting plate 23, the water tank cross beam 21 is arranged at the front end of the front cabin of the vehicle body, the water tank cross beam 21 is connected with the upper end of the upper side beam 22, the lower end of the upper side beam 22 is connected with the connecting plate 23, the upper side beam 22 is arranged at the upper end of the front side beam 13, the connecting plate 23 is arranged at the front end of the front side beam 13, the lower end of the connecting plate 23 is connected with the front side beam 13, the upper end of the connecting plate 23 is connected with the upper side beam 22, and the water tank cross beam 21, the upper side beam 22 and the connecting plate 23 form a closed loop structure for dispersing and transmitting collision energy and enhancing the torsional rigidity of the vehicle.
Specifically, the roof side rail 22 is a semi-circular arc that can redirect the vehicle's excursion.
Specifically, when a vehicle collides, the crash box 12 is collided first, the six-grid structure of the crash box 12 can absorb more collision energy, the crash cross beam 11 is not broken before crushing, the crash cross beam 11 continues to collide, the end parts at two sides of the crash cross beam 11 are bent, and the vehicle can be guided to pre-deflect due to the guide part 111, the crash cross beam 11 and the front longitudinal beam 13 forming a guide structure.
Specifically, when the energy absorption box 12 is crushed by continuous collision, the front longitudinal beam 13 has a multi-cavity structure inside, and the front longitudinal beam 13 is connected with the energy absorption box 12 in a multi-section manner, so that collision energy can be transmitted and dispersed; meanwhile, the second energy-absorbing frame 2 comprises a water tank cross beam 21, a top side beam 22 and a connecting plate 23, the connecting plate 23 is arranged at the front end of the front longitudinal beam 13, the lower end of the top side beam 22 is connected with the connecting plate 23, the upper end of the top side beam 22 is connected with the water tank cross beam 21, and the second energy-absorbing frame 2 transmits and disperses collision energy.
Specifically, when collision continues, the roof side rail 22 is in a semicircular arc shape, and can guide the vehicle to deviate again, shorten the process of small offset collision of the vehicle, and reduce damage.
The second embodiment provides an automobile has little offset structure, and when the collision, avoids the vehicle to last frontal collision when little offset, increases the transmission and the dispersion of collision energy, strengthens longeron intensity, reduces the injury to vehicle and personnel.
The foregoing description has disclosed fully preferred embodiments of the present invention. It should be noted that those skilled in the art can make modifications to the embodiments of the present invention without departing from the scope of the appended claims. Accordingly, the scope of the appended claims is not to be limited to the specific embodiments described above.
Claims (7)
1. A novel small offset structure is characterized by comprising a first energy absorption frame (1) and a second energy absorption frame (2);
the first energy absorption frame (1) comprises an anti-collision cross beam (11), an energy absorption box (12) and a front longitudinal beam (13),
the anti-collision cross beam (11) is arranged at the front end of a front cabin of a vehicle body, guide pieces (111) are arranged on two sides of the anti-collision cross beam (11), and the guide pieces (111) are used for guiding a vehicle to pre-deviate;
the front part of the energy absorption box (12) protrudes out of the front end of the anti-collision cross beam (11), the rear part of the energy absorption box (12) is connected with the front longitudinal beam (13), and the energy absorption box (12) is connected with the front longitudinal beam (13) in a multi-section manner;
the second energy-absorbing frame (2) comprises a water tank cross beam (21), an upper side beam (22) and a connecting plate (23), the water tank cross beam (21) is arranged at the front end of a front cabin of the automobile body, the upper side beam (22) is in a semi-arc shape and used for guiding the deviation of the automobile, the upper side beam (22) is connected with the water tank cross beam (21), the water tank cross beam (21) is positioned above the anti-collision cross beam (11), namely the water tank cross beam (21) is connected with the upper end of the upper side beam (22), the lower end of the upper side beam (22) is connected with the connecting plate (23), the upper side beam (22) is arranged at the upper end of the front longitudinal beam (13), the connecting plate (23) is arranged at the front end of the front longitudinal beam (13), the lower end of the connecting plate (23) is connected with the front longitudinal beam (13), and the upper end of the connecting plate (23) is connected with the upper side beam (, the water tank cross beam (21), the upper edge beam (22) and the connecting plate (23) form a closed loop structure for dispersing and transmitting collision energy and enhancing the torsional rigidity of the vehicle.
2. A new small offset structure according to claim 1, characterized in that the energy absorption box (12) is of a six-grid structure.
3. A new small offset structure according to claim 2, characterized in that the crash box (12) is bolted to the crash cross-member (11).
4. A new small offset structure according to claim 3, characterized in that the front longitudinal beam (13) is internally of a multi-cavity structure.
5. A new small offset arrangement according to claim 4, characterized in that a gap is provided between the front longitudinal beam (13) and the guide (111).
6. A new type of small offset structure according to any of claims 1-5, characterized in that the first energy absorbing frame (1) and the second energy absorbing frame (2) are both made of aluminum.
7. An automobile, characterized in that it comprises a novel small offset structure according to any one of claims 1-6, which is arranged in the front compartment of the body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910168637.4A CN109910802B (en) | 2019-03-06 | 2019-03-06 | Novel small offset structure |
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| CN201910168637.4A CN109910802B (en) | 2019-03-06 | 2019-03-06 | Novel small offset structure |
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| CN109910802A CN109910802A (en) | 2019-06-21 |
| CN109910802B true CN109910802B (en) | 2021-05-25 |
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| CN111806571A (en) * | 2020-06-08 | 2020-10-23 | 浙江零跑科技有限公司 | Front cabin beam structure of electric vehicle |
| CN115027569B (en) * | 2022-07-19 | 2024-06-18 | 浙江吉利控股集团有限公司 | Front-part force transmission structure of vehicle body and vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106275091A (en) * | 2015-05-15 | 2017-01-04 | 广州汽车集团股份有限公司 | Vehicle body front structure |
| CN207089217U (en) * | 2017-07-11 | 2018-03-13 | 北京汽车股份有限公司 | Front bumper mounting bracket and automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9539965B2 (en) * | 2015-04-17 | 2017-01-10 | Toyota Motor Engineering & Manufacturing North America, Inc. | Bumper moment inducer |
| CN106882272A (en) * | 2015-12-16 | 2017-06-23 | 广州汽车集团股份有限公司 | Forward engine room frame assembly |
| US9902349B2 (en) * | 2016-03-22 | 2018-02-27 | Ford Global Technologies, Llc | Vehicle bumper assembly |
| CN107662566B (en) * | 2016-07-28 | 2020-09-01 | 长城汽车股份有限公司 | Anticollision roof beam assembly and vehicle |
| CN206287960U (en) * | 2016-12-07 | 2017-06-30 | 微宏动力系统（湖州）有限公司 | A kind of forward engine room energy-absorbing framework |
| CN206856654U (en) * | 2017-04-25 | 2018-01-09 | 上海思致汽车工程技术有限公司 | A kind of small biasing automobile body fore-cabin |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106275091A (en) * | 2015-05-15 | 2017-01-04 | 广州汽车集团股份有限公司 | Vehicle body front structure |
| CN207089217U (en) * | 2017-07-11 | 2018-03-13 | 北京汽车股份有限公司 | Front bumper mounting bracket and automobile |
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