CN111409435A - Vehicle and anti-collision beam thereof - Google Patents
Vehicle and anti-collision beam thereof Download PDFInfo
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- CN111409435A CN111409435A CN201811556034.3A CN201811556034A CN111409435A CN 111409435 A CN111409435 A CN 111409435A CN 201811556034 A CN201811556034 A CN 201811556034A CN 111409435 A CN111409435 A CN 111409435A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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Abstract
The invention relates to the technical field of automobile accessories, in particular to a vehicle and an anti-collision beam thereof. The anti-collision beam in the vehicle is provided with an outer bearing wall for bearing impact and an inner bearing wall which is arranged at intervals with the outer bearing wall and is used for supporting on a vehicle frame, a supporting wall which encloses a closed cavity together with corresponding parts of the outer bearing wall and the inner bearing wall is arranged between the outer bearing wall and the inner bearing wall, an additional supporting wall made of composite material is further arranged between the outer bearing wall and the inner bearing wall, and the additional supporting wall is supported between the outer bearing wall and the inner bearing wall. The anti-collision beam can be used for solving the problem that the anti-collision capacity of the anti-collision beam is limited in the prior art, and further can improve the safety performance and the deformation resistance of a vehicle.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a vehicle and an anti-collision beam thereof.
Background
The safety problem of the vehicle is an important problem to be considered when designing the vehicle, and the anti-collision beam is an important structure for ensuring the safety of the vehicle.
The traditional anti-collision beam is mainly designed by considering the mechanical property, so long as the structural strength is enough, and the weight problem of the anti-collision beam is ignored. Along with the requirements of the automobile industry on energy conservation and emission reduction are higher and higher, the requirements on light weight of vehicles are higher and higher, the traditional design idea of only considering the mechanical property and neglecting the weight problem of the anti-collision beam is gradually eliminated, and the design of the anti-collision beam with high structural strength and light weight becomes the mainstream.
Chinese patent application No. CN107878372A, published in 2018, 4, 6, describes a rear bumper of a passenger car as an impact beam in a vehicle and a method for manufacturing the same. The rear bumper is a structure with a section formed by bending and welding a steel plate to one side for multiple times, and the structure comprises a peripheral structure and a middle reinforcing rib. The structure of the shape like the Chinese character 'ri' can not only ensure the structural strength of the rear bumper, but also has a hollow structure inside, so that the weight is light, and the requirement of the policy of light weight of vehicles pushed by the state is met.
The rear bumper is designed into a structure in a shape like a Chinese character 'ri', so that the structural strength of the anti-collision beam and the light weight of a vehicle can be guaranteed to a certain extent, but along with the increasing requirements of the market on the safety level of the vehicle, the requirement on the strength of the anti-collision beam is higher, the structural strength of the anti-collision beam needs to be further improved, vehicle designers mainly adopt materials with higher strength to manufacture the anti-collision beam with the section in the shape like the Chinese character 'ri', but the higher the strength of the materials is, the more expensive the price is, the cost of the vehicle is increased greatly, and the higher the strength of the materials is, the more difficulty in bending and forming the materials is increased; in addition, it is limited to promote the crashworthiness of anticollision roof beam through the intensity that improves the material, hardly satisfies the vehicle that needs higher barrier propterty, like the very high electric automobile of barrier propterty requirement to the battery compartment.
Disclosure of Invention
The invention aims to provide an anti-collision beam, which is used for solving the problem that the anti-collision capacity of the anti-collision beam in the prior art is limited; the invention also provides a vehicle using the anti-collision beam, which has the advantages of high safety performance and strong deformation resistance.
In order to achieve the purpose, the anti-collision beam adopts the following technical scheme: the anti-collision beam is provided with an outer bearing wall for bearing impact and an inner bearing wall which is arranged at intervals with the outer bearing wall and is used for supporting on a frame, a supporting wall which encloses a closed cavity together with corresponding parts of the outer bearing wall and the inner bearing wall is arranged between the outer bearing wall and the inner bearing wall, an additional supporting wall made of composite materials is further arranged between the outer bearing wall and the inner bearing wall, and the additional supporting wall is supported between the outer bearing wall and the inner bearing wall.
The anti-collision beam has the beneficial effects that: the additional support wall is additionally arranged between the inner bearing wall and the outer bearing wall, the structural strength of the additional support wall is utilized, and the additional support wall is matched with the inner bearing wall and the outer bearing wall, so that the overall anti-collision performance of the anti-collision beam can be improved to a great extent, and compared with the method that a material with a higher strength grade is adopted to improve the anti-collision performance of the anti-collision beam, the cost is lower; and the additional supporting wall is made of composite materials, and the composite materials are light, so that the weight of the anti-collision beam is not increased excessively, and the requirement of vehicle light weight is met.
Further, an additional support wall is fixed to the support wall.
The beneficial effects of the improvement are as follows: the additional supporting wall is fixed on the supporting wall, so that the thickness of the supporting wall is increased, the structural strength of the supporting wall is increased, and the anti-collision performance of the anti-collision beam is improved.
Furthermore, the additional supporting wall is fixedly bonded with the supporting wall.
The beneficial effects of the improvement are as follows: the additional supporting wall is fixed in a bonding mode, so that the operation is simple, the production efficiency is high, and the cost is low; in addition, compare in mechanical connection, can reduce trompil or fluting on crashproof roof beam to avoid trompil or fluting to the influence of crashproof roof beam whole crashproof performance.
Furthermore, additional supporting walls are arranged on at least two supporting walls.
The beneficial effects of the improvement are as follows: the overall structural strength of the impact beam is improved by increasing the number of additional support walls.
Further, the additional support wall has a bent portion that is fitted to an inner wall surface of the inner force bearing wall and/or the outer force bearing wall.
The beneficial effects of the improvement are as follows: the additional supporting wall is provided with the bending part attached to the inner wall surface of the inner bearing wall and/or the outer bearing wall, so that the contact area of the additional supporting wall and the inner bearing wall and/or the outer bearing wall can be increased, and the overall anti-collision performance of the anti-collision beam can be improved.
Further, the additional support wall has a U-shaped cross-section.
The beneficial effects of the improvement are as follows: the additional support wall of U-shaped structure has not only guaranteed to install and has increased the area of contact of additional support wall and inside and outside bearing force wall in the back in the anticollision roof beam, and the bottom of U-shaped structure can be laminated with the support wall in addition, has increased the thickness of support wall in other words, and the overall structure intensity of anticollision roof beam can all be improved to increase the area of contact of additional support wall and inside and outside bearing force wall or increase the thickness of support wall.
Further, the composite material is glass fiber or carbon fiber.
The beneficial effects of the improvement are as follows: compared with the traditional aluminum alloy material or steel material for manufacturing the anti-collision beam, the carbon fiber composite material has higher rigidity and strength and has the advantages of fatigue resistance and strong impact resistance; glass fibers have a strong ability to absorb impacts.
The technical scheme of the vehicle comprises the following steps: the vehicle comprises a frame and an anti-collision beam arranged on the frame, wherein the anti-collision beam is provided with an outer bearing wall for bearing impact and an inner bearing wall which is arranged at intervals with the outer bearing wall and is used for supporting the frame, a supporting wall which jointly encloses a closed cavity with corresponding parts of the outer bearing wall and the inner bearing wall is arranged between the outer bearing wall and the inner bearing wall, an additional supporting wall made of composite material is further arranged between the outer bearing wall and the inner bearing wall, and the additional supporting wall is supported between the outer bearing wall and the inner bearing wall.
The beneficial effects of the vehicle are as follows: the additional support wall is additionally arranged between the inner bearing wall and the outer bearing wall of the anti-collision beam in the vehicle, the structural strength of the additional support wall is utilized, and the additional support wall is matched with the inner bearing wall and the outer bearing wall, so that the overall anti-collision performance of the anti-collision beam can be improved to a great extent, and compared with the mode that a material with a higher strength grade is adopted to improve the anti-collision performance of the anti-collision beam, the cost is lower; the additional supporting wall is made of composite materials, and the composite materials are light, so that the weight of the anti-collision beam is not increased excessively; the vehicle uses this kind of anticollision roof beam, not only makes its security improve, still accords with the requirement of vehicle lightweight.
Further, an additional support wall is fixed to the support wall.
The beneficial effects of the improvement are as follows: the additional supporting wall is fixed on the supporting wall, so that the thickness of the supporting wall is increased, the structural strength of the supporting wall is increased, and the anti-collision performance of the anti-collision beam is improved.
Furthermore, the additional supporting wall is fixedly bonded with the supporting wall.
The beneficial effects of the improvement are as follows: the additional supporting wall is fixed in a bonding mode, so that the operation is simple, the production efficiency is high, and the cost is low; in addition, compare in mechanical connection, can reduce and set up installation mechanism such as trompil or fluting on the anticollision roof beam to avoid trompil or fluting to the influence of the whole crashproof performance of anticollision roof beam.
Furthermore, additional supporting walls are arranged on at least two supporting walls.
The beneficial effects of the improvement are as follows: the overall structural strength of the impact beam is improved by increasing the number of additional support walls.
Further, the additional support wall has a bent portion that is fitted to an inner wall surface of the inner force bearing wall and/or the outer force bearing wall.
The beneficial effects of the improvement are as follows: the additional supporting wall is provided with the bending part attached to the inner wall surface of the inner bearing wall and/or the outer bearing wall, so that the contact area of the additional supporting wall and the inner bearing wall and/or the outer bearing wall can be increased, and the overall anti-collision performance of the anti-collision beam can be improved.
Further, the additional support wall has a U-shaped cross-section.
The beneficial effects of the improvement are as follows: the additional supporting wall of the U-shaped structure not only ensures that the contact area between the additional supporting wall and the inner and outer bearing walls is increased after the additional supporting wall is installed in the anti-collision beam, but also ensures that the bottom of the U-shaped structure can be attached to the supporting wall, which is equivalent to increasing the thickness of the supporting wall, and the overall structural strength of the anti-collision beam can be improved regardless of increasing the contact area between the additional supporting wall and the inner and outer bearing walls or increasing the thickness of the supporting wall.
Further, the composite material is glass fiber or carbon fiber.
The beneficial effects of the improvement are as follows: compared with the traditional aluminum alloy material for manufacturing the anti-collision beam, the carbon fiber composite material has higher rigidity and strength and has the advantages of fatigue resistance and strong impact resistance; glass fibers have a strong ability to absorb impacts.
Further, set up on the frame and be used for fixing the supporting seat of anticollision roof beam, the supporting seat is L shapes, include and support complex bottom plate with the anticollision roof beam bottom, still include be connected in order to be used for supporting complex curb plate with interior load wall with the bottom plate, the topside of curb plate is located near the anticollision roof beam top, is equipped with the fastener through-hole on the bottom plate, and the anticollision roof beam passes through the fastener realization and frame fixed connection.
The improved structure has the beneficial effects that the L-shaped supporting seat is arranged on the frame, the bottom plate is used for fixing the anti-collision beam, the side plate can prevent the anti-collision beam from falling when the anti-collision beam is installed, the anti-collision beam is convenient to install, the top edge of the side plate is positioned near the top of the anti-collision beam, the anti-collision beam is prevented from sliding due to too low side plate, and meanwhile, the phenomenon that the side plate is too high to influence the installation of other structures and the waste of materials is avoided.
Further, the vehicle still includes the hatch door that articulates in battery compartment hatch department, is provided with on the hatch door anticollision roof beam, anticollision roof beam is provided with along the horizontal direction on the hatch door along vertical arrangement, the hatch department of battery compartment.
The beneficial effects of the improvement are as follows: the anti-collision beam is horizontally arranged at the hatch of the battery compartment, and the anti-collision beam is vertically arranged on the hatch door, so that the protection grade of the battery compartment can be improved; in addition, the anti-collision beams which are vertically arranged are arranged on the cabin door, so that the situation that when the cabin door is collided, part of the structure of the cabin door is deformed, bypasses the anti-collision beams which are horizontally arranged in the battery cabin and extends into the battery cabin to damage the battery structure can be avoided.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of a vehicle according to the invention;
fig. 2 is a schematic structural view of a battery compartment in embodiment 1 of the vehicle according to the present invention;
fig. 3 is a schematic view of the installation of an impact beam of embodiment 1 of the vehicle according to the invention;
fig. 4 is an enlarged end view of an installation schematic of an impact beam of embodiment 1 of the vehicle according to the invention;
fig. 5 is a schematic view of the connection between the impact beam and the support base according to embodiment 1 of the vehicle of the present invention;
fig. 6 is a front view of a hatch door of a battery compartment of embodiment 1 of the vehicle according to the present invention;
fig. 7 is a sectional view of a hatch door of a battery compartment of embodiment 1 of a vehicle according to the present invention.
In the drawings: 1-vehicle frame, 2-battery compartment, 3-battery, 4-battery anti-collision beam, 5-compartment door, 6-supporting seat, 7-bolt, 8-nut, 41-inner bearing wall, 42-outer bearing wall, 43-supporting wall, 44-additional supporting wall, 51-plate, 52-compartment door anti-collision beam, 61-bottom plate, 62-side plate and 421-indent.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In embodiment 1 of the vehicle according to the present invention, as shown in fig. 1 and fig. 2, the vehicle in embodiment 1 is an electric vehicle, the electric vehicle includes a frame 1, a battery compartment 2 is disposed inside the frame 1, a battery 3 is mounted in the battery compartment 2, and a battery anti-collision beam 4 is horizontally mounted at a hatch of the battery compartment 2 in order to prevent the electric vehicle from being burned due to electric leakage caused by damaging the battery 3 when being collided by another vehicle; a hatch door 5 is also hinged at the hatch of the battery compartment 2, and the hatch door 5 can be opened upwards through a hinge structure. Of course, in other embodiments, the vehicle may be another type of vehicle, such as a fuel-powered vehicle, and correspondingly, the battery impact beam may be an impact beam at another location where protection is desired.
In this embodiment 1, in order to facilitate the installation of the battery impact beam 4, two supporting seats 6 are fixedly installed on the frame 1 in the battery compartment 2 at intervals, the supporting seats 6 are used for installing the battery impact beam 4, and the supporting seats 6 are fixed to the frame 1 in a welding manner. Certainly, in other embodiments, the support seat may be fixed to the frame by bolts, or may be integrally formed with the frame structure, both meeting the requirements; the number of the supporting seats can also be more than two, and the requirements are met.
As shown in fig. 3-5, in embodiment 1, the support base 6 has a bottom plate 61 for supporting the battery impact beam 4 and a side plate 62 for supporting the battery impact beam 4, the bottom plate 61 and the side plate 62 are integrally formed and formed into an L-shaped structure, the support base 6 is provided with the side plate 62 for supporting the battery impact beam 4, the battery impact beam 4 can be prevented from falling down when the battery impact beam 4 is installed, the top edge of the side plate 62 exceeds the height midpoint of the battery impact beam 4 in the vertical direction and is lower than the top of the battery impact beam 4, such arrangement ensures that the battery impact beam 4 cannot slide down when the battery impact beam 4 is supported on the side plate 62, the bottom plate of the support base 6 is provided with a through hole for the bolt 7 to pass through, the battery impact beam 4 is correspondingly provided with a through hole, the battery impact beam 4 is fixed on the support base 6 by the cooperation of the bolt 7 and the nut 8, the bolt 7 and the nut 8 form a fastener, of course, in other embodiments, the bottom plate and the side plate can be provided with a separate plate L and can be connected together by welding, the battery impact beam can be fixed on the support base only by a pin, such an inconvenience that the battery impact beam can be installed on the battery impact beam.
As shown in fig. 3-5, in the embodiment 1, the battery impact beam 4 is a zigzag structure, the battery impact beam 4 is formed by bending two ends of a strip-shaped plate for multiple times, the plate is bent into the zigzag structure and then has an inner bearing wall 41 leaning against a side plate 62 of the support seat 6 and an outer bearing wall 42 facing the outside of the battery compartment 2, and also has three support walls 43, and the support wall 43 located at the lowest side is placed on a bottom plate 61 of the support seat 6; the structure of the shape like the Chinese character 'ri' makes the structural strength of the battery impact beam 4 higher, and because the interior of the battery impact beam is hollow, the battery impact beam is lighter in weight, and meets the requirement of vehicle light weight. Of course, in other embodiments, the battery impact beam may be formed in other forms, such as a single support wall, an inner bearing wall, and an outer bearing wall welded together to form a zigzag structure, which also meets the requirements; the finally formed battery anti-collision beam can be not a square-shaped pipe (comprising three supporting walls), can be a square-shaped pipe (comprising two supporting walls), can also be a square-shaped pipe (comprising four supporting walls), and can also be set into a form of more than four supporting walls, which all meet the requirements.
As shown in fig. 3 to 5, in the embodiment 1, two pressing grooves 421 are provided on the outer force-bearing wall 42 of the battery impact beam 4, the pressing grooves 421 extend along the length direction of the outer force-bearing wall 42, the pressing grooves 421 form reinforcing ribs of the battery impact beam 4 for improving the overall strength of the battery impact beam 4, and the two pressing grooves 421 are respectively located between the adjacent support walls 43 of the battery impact beam 4. Of course, in other embodiments, the number of the pressing grooves may be increased, such as three, four, five or other numbers, which also meet the requirement; the reinforcing ribs can be formed by protruding towards the outer side of the battery anti-collision beam instead of the pressing grooves, and the requirements are met.
As shown in fig. 3 to 5, in the present embodiment 1, the additional support wall 44 is mounted on each of the lower support wall 43 and the middle support wall 43, the additional support wall 44 is an elongated plate structure with a U-shaped cross section, the U-shaped additional support wall 44 has two side walls and a bottom wall, the two side walls form a bent portion, the two side walls respectively abut against the inner bearing wall 41 and the outer bearing wall 42, the bottom wall abuts against the support wall 43, and the additional support wall 44 is bonded inside the battery impact beam 4 by structural adhesive; in order to improve the overall strength of the battery impact beam 4 and reduce the structural weight thereof as much as possible, the material of the additional support wall 44 is a carbon fiber composite material. Of course, in other embodiments, only one additional supporting wall may be provided and fixed on one of the supporting walls, and three additional supporting walls may also be provided and fixed on three supporting walls, all of which meet the requirement; the additional supporting wall can also be fixed on the supporting wall by other modes, such as bolt fixation, welding and the like; the structure of the additional supporting wall can be only a flat plate without a bending part or only provided with a bending part, the requirements are met, and only the arrangement is realized, so that the integral structural strength of the battery anti-collision beam is reduced; in other embodiments, the material of the battery anti-collision beam can also be a glass fiber composite material, and the requirements are met; in other embodiments, the additional supporting wall does not abut against the supporting wall, and can be fixed with the outer bearing wall and the inner bearing wall only and suspended above or below the supporting wall, which also meets the requirement; in other embodiments, the additional supporting wall can be the lower part of the supporting wall arranged at the upper part and the supporting wall positioned at the middle part, and is fixed on the two supporting walls, and the requirements are met; the additional supporting wall can also be arranged in an H shape, and two side walls of the H-shaped additional supporting wall are fixedly attached to the inner bearing wall and the outer bearing wall, so that the requirements are met.
As shown in fig. 3-5, in the embodiment 1, the through holes of the supporting wall 43 and the additional supporting wall 44 of the battery impact beam 4 corresponding to the through holes of the bottom plate 61 of the supporting seat 6 are all opened with the same through hole, and the bolts 7 respectively penetrate through the through holes of the above structure and cooperate with the nuts 8 to fix the battery impact beam 4 and the supporting seat 6 together.
As shown in fig. 6 and 7, in the embodiment 1, the cabin door 5 includes a plate 51 and a cabin door collision beam 52 vertically disposed on the plate 51, and the cabin door collision beam 52 vertically disposed is disposed on the cabin door 5, so that a part of the structure of the cabin door 5 can be prevented from deforming to bypass the structure of the battery collision beam 4 horizontally disposed in the battery compartment 2 and extending into the battery compartment 2 to damage the battery 3 when the cabin door 5 is collided, and both the battery collision beam 4 and the cabin door collision beam 52 belong to collision beams in an electric vehicle.
Embodiment 2 of the vehicle according to the present invention is different from embodiment 1 in that the battery impact beam is vertically disposed at the hatch of the battery compartment, and the hatch impact beam on the corresponding hatch is horizontally disposed.
The invention also provides an anti-collision beam, which has the same structure as the anti-collision beam in the vehicle and is not described again.
Claims (10)
1. The anti-collision beam is characterized in that an additional supporting wall made of composite materials is further arranged between the outer bearing wall and the inner bearing wall, and the additional supporting wall is supported between the outer bearing wall and the inner bearing wall.
2. An impact beam as claimed in claim 1, characterized in that said additional support wall is fixed to the support wall.
3. An impact beam as claimed in claim 2, wherein said additional support wall is adhesively secured to the support wall.
4. An impact beam as claimed in claim 3, wherein additional support walls are provided on at least two of the support walls.
5. An impact beam as claimed in claim 1 or 2 or 3 or 4, wherein said additional support wall has a bent portion which conforms to the inner wall surface of the inner and/or outer bearing wall.
6. An impact beam as claimed in claim 5, wherein said additional support wall is U-shaped in cross-section.
7. An impact beam as claimed in claim 1 or 2 or 3 or 4, characterized in that said composite material is glass fibre or carbon fibre.
8. Vehicle comprising a frame and an impact beam arranged on the frame, characterized in that the impact beam is an impact beam according to any of the preceding claims 1-7.
9. The vehicle of claim 8, wherein the frame is provided with a support seat for fixing the impact beam, the support seat is L-shaped, and comprises a bottom plate in support fit with the bottom of the impact beam, and further comprises a side plate connected with the bottom plate for support fit with the inner force bearing wall, the top edge of the side plate is located near the top of the impact beam, the bottom plate is provided with a fastener through hole, and the impact beam is fixedly connected with the frame through a fastener.
10. The vehicle according to claim 8 or 9, characterized in that the vehicle further comprises a hatch door hinged at the hatch of the battery compartment, the hatch door being provided with said impact beam, said impact beam being arranged vertically on the hatch door, the hatch of the battery compartment being provided with said impact beam horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556034.3A CN111409435B (en) | 2018-12-19 | 2018-12-19 | Vehicle and anti-collision beam thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556034.3A CN111409435B (en) | 2018-12-19 | 2018-12-19 | Vehicle and anti-collision beam thereof |
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| Publication Number | Publication Date |
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| CN111409435A true CN111409435A (en) | 2020-07-14 |
| CN111409435B CN111409435B (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811556034.3A Active CN111409435B (en) | 2018-12-19 | 2018-12-19 | Vehicle and anti-collision beam thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306699A (en) * | 2007-12-28 | 2008-11-19 | 上汽通用五菱汽车股份有限公司 | Energy-absorbing frame structure for amortizing vehicle collision |
| DE102014203507A1 (en) * | 2013-03-05 | 2014-09-11 | Volkswagen Aktiengesellschaft | Housing structure for an energy storage and vehicle assembly with such |
| CN204095891U (en) * | 2014-08-11 | 2015-01-14 | 北汽福田汽车股份有限公司 | Heavier-duty vehicle frame, auto use chair mounting structure and vehicle |
| CN105584441A (en) * | 2016-03-01 | 2016-05-18 | 上汽通用汽车有限公司 | Combined type automotive front anti-collision beam component |
| CN205468913U (en) * | 2016-04-02 | 2016-08-17 | 厦门精图信息技术有限公司 | Automobile collision protection device |
| CN107878372A (en) * | 2017-12-01 | 2018-04-06 | 上海宝钢型钢有限公司 | The rear bumper and its manufacture method of a kind of passenger car |
-
2018
- 2018-12-19 CN CN201811556034.3A patent/CN111409435B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306699A (en) * | 2007-12-28 | 2008-11-19 | 上汽通用五菱汽车股份有限公司 | Energy-absorbing frame structure for amortizing vehicle collision |
| DE102014203507A1 (en) * | 2013-03-05 | 2014-09-11 | Volkswagen Aktiengesellschaft | Housing structure for an energy storage and vehicle assembly with such |
| CN204095891U (en) * | 2014-08-11 | 2015-01-14 | 北汽福田汽车股份有限公司 | Heavier-duty vehicle frame, auto use chair mounting structure and vehicle |
| CN105584441A (en) * | 2016-03-01 | 2016-05-18 | 上汽通用汽车有限公司 | Combined type automotive front anti-collision beam component |
| CN205468913U (en) * | 2016-04-02 | 2016-08-17 | 厦门精图信息技术有限公司 | Automobile collision protection device |
| CN107878372A (en) * | 2017-12-01 | 2018-04-06 | 上海宝钢型钢有限公司 | The rear bumper and its manufacture method of a kind of passenger car |
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| CN111409435B (en) | 2022-08-12 |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Applicant after: Yutong Bus Co.,Ltd. Address before: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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