CN113263999A - Automobile front end anti-collision structure - Google Patents
Automobile front end anti-collision structure Download PDFInfo
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- CN113263999A CN113263999A CN202110524726.5A CN202110524726A CN113263999A CN 113263999 A CN113263999 A CN 113263999A CN 202110524726 A CN202110524726 A CN 202110524726A CN 113263999 A CN113263999 A CN 113263999A
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- Prior art keywords
- collision
- beam assembly
- hydraulic cylinder
- longitudinal beam
- cylinder
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- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 239000006260 foam Substances 0.000 claims description 27
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 26
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- 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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- 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
- B60R19/32—Fluid shock absorbers, e.g. with coaxial coil springs
-
- 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
-
- 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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
- B60R2019/1873—Cellular materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
本发明公开了一种汽车前端防撞结构，其技术方案要点是：包括前防撞梁总成、两个前纵梁总成与地板前横梁，前防撞梁总成与前纵梁总成的前端之间通过吸能盒相连接，前纵梁总成的内部固定设置有第一液压缸，第一液压缸的一端与吸能盒固定连接，两个前纵梁总成之间设置有两个第二液压缸，两个第二液压缸的一端固定设置在地板前横梁上，第二液压缸的另一端固定连接有支撑挡板，前防撞梁总成受到碰撞带动吸能盒移动后，第一液压缸能够带动第二液压缸工作，从而推动支撑挡板向前防撞梁总成的方向移动；本发明中的汽车前端在受到撞击之后，前端内部设置的支撑挡板能够为前防撞梁总成提供良好的支撑力，从而降低车身的损坏程度。
The invention discloses a front-end anti-collision structure of an automobile, and the main points of the technical solution are: a front anti-collision beam assembly, two front longitudinal beam assemblies and a floor front cross beam, a front anti-collision beam assembly and a front longitudinal beam assembly The front ends are connected by an energy-absorbing box, a first hydraulic cylinder is fixed inside the front longitudinal beam assembly, one end of the first hydraulic cylinder is fixedly connected with the energy-absorbing box, and a Two second hydraulic cylinders, one end of the two second hydraulic cylinders is fixed on the front beam of the floor, the other end of the second hydraulic cylinder is fixedly connected with a support baffle, the front anti-collision beam assembly is driven by the collision to drive the energy-absorbing box to move Then, the first hydraulic cylinder can drive the second hydraulic cylinder to work, thereby pushing the support baffle to move in the direction of the front anti-collision beam assembly; after the front end of the vehicle in the present invention is hit, the support baffle set inside the front end can be The front crash beam assembly provides good support, thereby reducing the damage to the body.
Description
Technical Field
The invention relates to the technical field of automobile protection equipment, in particular to an automobile front-end anti-collision structure.
Background
Along with the rapid increase of the number of the passenger cars, the casualties caused by car collision accidents are continuously increased, and the design of the front collision safety performance of the car is highly regarded by the car industry. The so-called frontal collision is a direct collision of the vehicle head with an obstacle. Three types are common, namely a 100% rigid barrier impact, a 40% overlap offset frontal impact, and a 25% overlap offset frontal impact, and are studied here using a 100% rigid barrier impact. In the event of a collision of the vehicle, the body structure is deformed first and in a very short time the passengers interact with the vehicle restraint system. The vehicle body structure is reasonably and optimally designed, and the anti-collision structure can play a role in deformation and energy absorption to a greater extent, so that stable and gentle acceleration is provided for protecting passengers. Therefore, whether the vehicle body structure is reasonable or not is a very important foundation for the safety of the vehicle occupants and is also a foundation for the design of the safety performance of the vehicle. The improved design is carried out aiming at the front anti-collision structure of the automobile, and the riding safety can be effectively improved by changing the shapes, thicknesses, materials and the like of a front anti-collision beam, an energy absorption box and a front longitudinal beam.
In order to enable the front end of an automobile to have a good anti-collision mechanism, the Chinese patent of the invention with the publication number of CN111703391A discloses an anti-collision structure device of the front end of the automobile, which comprises a front anti-collision beam, two absorption boxes, front longitudinal beams and supporting plates, wherein the front longitudinal beams correspond to the absorption boxes one by one, the front longitudinal beams are of a closed dodecagon frame structure formed by combining 4U-shaped frames, and the cross section of each front longitudinal beam is of a cross frame structure with a hollow interior; two absorption boxes are respectively and fixedly arranged at the inner sides of two ends of the front anti-collision beam, one end of the front longitudinal beam is fixedly connected onto the front anti-collision beam through the absorption boxes, and the other end of the front longitudinal beam is fixedly connected onto the supporting plate. The front end anti-collision structure device of the automobile crashworthiness reduces the automobile body quality. The device has changed the cross sectional shape of front longitudinal, selects more reasonable layout scheme, finds that the dodecagon compares in four, six, octagon has better collision energy-absorbing effect, can strengthen the crashproof performance of vehicle, when taking place the traffic accident, reduces passenger's injures and deaths as far as.
Above-mentioned crashproof structure among this kind of crashproof structure and the prior art crashproof structure reaches the purpose of optimizing mostly through setting up buffering, shock attenuation module and changing crashproof structure's selection material, structure, and these modes have not possessed the performance advantage yet, and the applicant provides a neotype scheme and makes the crashproof structure of car front end obtain promoting.
Disclosure of Invention
In view of the problems mentioned in the background art, an object of the present invention is to provide an anti-collision structure at a front end of an automobile, in which a supporting baffle plate disposed inside the front end of the automobile can provide a good supporting force for a front anti-collision beam assembly after the front end of the automobile is impacted, so as to reduce the damage degree of the automobile body.
The technical purpose of the invention is realized by the following technical scheme:
an automobile front-end anti-collision structure comprises a front anti-collision beam assembly, two front longitudinal beam assemblies and a floor front cross beam, wherein the front anti-collision beam assembly is connected with the front ends of the front longitudinal beam assemblies through an energy absorption box, the rear ends of the front longitudinal beam assemblies are fixedly connected with the floor front cross beam, the front longitudinal beam assembly is of a hollow structure, a first hydraulic cylinder is fixedly arranged inside the front longitudinal beam assembly, one end of the first hydraulic cylinder is fixedly connected with the energy absorption box, two second hydraulic cylinders are arranged between the two front longitudinal beam assemblies, one ends of the two second hydraulic cylinders are fixedly arranged on the floor front cross beam, the other end of the second hydraulic cylinder is fixedly connected with a supporting baffle plate, after the front anti-collision beam assembly is collided to drive the energy-absorbing box to move, the first hydraulic cylinder can drive the second hydraulic cylinder to work, so that the supporting baffle is pushed to move towards the front anti-collision beam assembly.
Further, preceding crashproof roof beam assembly is by the arc bent plate and locate two the same square return bends of arc bent plate inboard are constituteed, two square return bend parallel arrangement.
Furthermore, the front anti-collision beam assembly is close to one side of the front longitudinal beam assembly is provided with a foam support frame, the foam support frame is provided with a foam buffer piece at a gap between the front anti-collision beam assembly, the foam support frame is close to one side of the front longitudinal beam assembly is fixedly provided with the energy absorption box, and the other side of the energy absorption box is fixedly connected with the front longitudinal beam assembly.
Furthermore, the lower extreme of foam support frame is provided with the kink, the foam support frame pass through the kink with preceding crashproof roof beam assembly fixed connection.
Furthermore, first pneumatic cylinder comprises first cylinder body, first piston and first piston rod, the second pneumatic cylinder comprises second cylinder body, second piston and second piston rod, first cylinder body with the inside of second cylinder body is provided with hydraulic oil, first cylinder body with be connected through the connecting pipe between the second cylinder body.
Further, the cross-sectional area of the first piston is smaller than the cross-sectional area of the second piston.
Furthermore, the supporting baffle plate is composed of a baffle plate body and a cushion pad, one side of the baffle plate body is fixedly connected with the second piston rod, and the other side of the baffle plate body is fixedly connected with the cushion pad.
Furthermore, a wedge-shaped supporting block is fixedly arranged on one side, close to the front longitudinal beam assembly, of the foam supporting frame, and the energy absorption box is fixedly arranged on the wedge-shaped supporting block.
In summary, the invention mainly has the following beneficial effects:
according to the invention, through the arrangement of the first hydraulic cylinder, the second hydraulic cylinder and the supporting baffle, when the front end of the vehicle body is severely impacted and the energy absorption box cannot be continuously compressed, the energy absorption box can be extruded to one side of the front longitudinal beam assembly, the energy absorption box can drive the first piston rod to move, the second piston rod in the second hydraulic cylinder can be driven to move towards the front anti-collision beam assembly through a hydraulic principle, and the supporting baffle can move towards the front anti-collision beam assembly and cling to the front anti-collision beam assembly, so that good supporting force is provided for the front anti-collision beam assembly, the front anti-collision beam assembly is prevented from being continuously deformed, and the anti-collision effect of the front end of the vehicle body is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of a first hydraulic cylinder within the front rail assembly of the present invention;
FIG. 4 is a schematic diagram of the operation of the first and second hydraulic cylinders;
FIG. 5 is a schematic view of the structure of the foam carrier of the present invention;
fig. 6 is a partially enlarged view of a portion B in fig. 5.
In the figure: 1. a front impact beam assembly; 101. an arc-shaped bent plate; 102. a square bend; 2. a front rail assembly; 3. a floor front cross member; 4. a foam support frame; 401. a bending section; 5. a foam cushion; 6. an energy absorption box; 7. a first hydraulic cylinder; 701. a first cylinder; 702. a first piston; 703. a first piston rod; 8. a second hydraulic cylinder; 801. a second cylinder; 802. a second piston; 803. a second piston rod; 9. a connecting pipe; 10. a support baffle; 1001. a baffle body; 1002. a cushion pad; 11. wedge-shaped supporting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-4, an automobile front-end anti-collision structure comprises a front anti-collision beam assembly 1, two front longitudinal beam assemblies 2 and a floor front cross beam 3, wherein the front anti-collision beam assembly 1 is connected with the front ends of the front longitudinal beam assemblies 2 through an energy absorption box 6, the rear ends of the front longitudinal beam assemblies 2 are fixedly connected with the floor front cross beam 3, the front longitudinal beam assemblies 2 are of a hollow structure and are convenient for placing a first hydraulic cylinder 7, a first hydraulic cylinder 7 is fixedly arranged inside the front longitudinal beam assemblies 2, one end of the first hydraulic cylinder 7 is fixedly connected with the energy absorption box 6, two second hydraulic cylinders 8 are arranged between the two front longitudinal beam assemblies 2, one ends of the two second hydraulic cylinders 8 are fixedly arranged on the floor front cross beam 3, the other end of the second hydraulic cylinder 8 is fixedly connected with a supporting baffle plate 10, after the front anti-collision beam assembly 1 is collided and drives the energy absorption box 6 to move, the first hydraulic cylinder 7 can, therefore, the supporting baffle 10 is pushed to move towards the front anti-collision beam assembly 1, in high-speed offset collision, the front anti-collision beam assembly 1 can effectively transmit impact force to one side from one side of the vehicle body, the whole vehicle body can absorb collision energy as much as possible, and when low-speed collision occurs (generally below 15 km/h), the front anti-collision beam assembly 1 can avoid the impact force from damaging the front longitudinal beam assembly 2 of the vehicle body, so that the maintenance cost is reduced.
Referring to fig. 1 and 2, the front impact beam assembly 1 is composed of an arc-shaped bent plate 101 and two identical square bent pipes 102 arranged on the inner side of the arc-shaped bent plate 101, wherein the square bent pipes 102 are hollow pipes, and the two square bent pipes 102 are arranged in parallel and have a gap therebetween, so that the foam cushion 5 can be conveniently placed.
Referring to fig. 1, 5 and 6, a foam support frame 4 is arranged on one side of a front anti-collision beam assembly 1 close to a front longitudinal beam assembly 2, a foam buffer 5 is arranged at a gap between the foam support frame 4 and the front anti-collision beam assembly 1, the foam buffer 5 mainly plays a role of supporting an external plastic bumper when the front anti-collision beam assembly collides below 4km/h, the function of relieving collision force is exerted, the damage of the plastic bumper caused by collision is reduced, an energy absorption box 6 is fixedly arranged on one side of the foam support frame 4 close to the front longitudinal beam assembly 2, the energy absorption box 6 is a low-speed energy absorption box body with low yield strength, the energy absorption box 6 is connected to the front longitudinal beam assembly 2 in a bolt mode, the energy absorption box 6 can effectively absorb collision energy when the vehicle collides at low speed, the damage of the collision force to the front longitudinal beam assembly 2 is reduced as much as possible, and thus the maintenance cost can be reduced, the lower extreme of foam support frame 4 is provided with kink 401, and foam support frame 4 passes through kink 401 and preceding crashproof roof beam assembly 1 fixed connection, and foam support frame 4 is close to the fixed wedge supporting shoe 11 that is provided with in one side of front longitudinal beam assembly 2, and energy-absorbing box 6 is fixed to be set up on wedge supporting shoe 11, sets up the orientation that wedge supporting shoe 11 is convenient for adjust energy-absorbing box 6.
Referring to fig. 1, 3 and 4, the first hydraulic cylinder 7 is composed of a first cylinder body 701, a first piston 702 and a first piston rod 703, the second hydraulic cylinder 8 is composed of a second cylinder body 801, a second piston 802 and a second piston rod 803, hydraulic oil is disposed inside the first cylinder body 701 and the second cylinder body 801, the first cylinder body 701 and the second cylinder body 801 are connected through a connecting pipe 9, a through hole is formed in the inner side of the front longitudinal beam assembly 2 to facilitate the passage of the connecting pipe 9, and the cross-sectional area of the second piston 802 is preferably 1.5-3 times the cross-sectional area of the first piston 702, so that the pressure applied to the end of the second piston rod 803 is 1.5-3 times the pressure applied to the end of the first piston rod, which is beneficial for the supporting baffle 10 to provide sufficient supporting force for the front impact beam assembly 1.
Referring to fig. 1 and 2, the support baffle 10 is composed of a baffle body 1001 and a cushion pad 1002, one side of the baffle body 1001 is fixedly connected to the second piston rod 803, the other side of the baffle body 1001 is fixedly connected to the cushion pad 1002, and the cushion pad 1002 can be made of a natural rubber material, so that a good buffering effect can be provided for the front impact beam assembly 1.
When the automobile front end collision absorbing device is used, when the front end of an automobile is slightly collided, the foam buffering piece 5 arranged in the front end of the automobile can absorb a part of energy generated by collision, and meanwhile, the energy absorbing box 6 can effectively absorb the energy generated by low-speed collision through crumpling; when the front end of the vehicle body is severely impacted and the energy absorption box 6 cannot be continuously compressed, at the moment, the energy absorption box 6 can be extruded to one side of the front longitudinal beam assembly 2, the energy absorption box 6 can drive the first piston rod 703 to move, the first piston rod 703 drives the first piston 702 to extrude hydraulic oil in the first cylinder body 701, the hydraulic oil enters the second cylinder body 801 through the connecting pipe 9, so that the second piston 802 is extruded, the second piston 802 moves to drive the second piston rod 803 to move towards the front anti-collision beam assembly 1, at the moment, the supporting baffle 10 can move towards the front anti-collision beam assembly 1 and is tightly attached to the front anti-collision beam assembly 1, good supporting force is provided for the front anti-collision beam assembly 1, the front anti-collision beam assembly 1 is prevented from being continuously deformed, and the anti-collision effect of the front end of the vehicle body is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110524726.5A CN113263999A (en) | 2021-05-14 | 2021-05-14 | Automobile front end anti-collision structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110524726.5A CN113263999A (en) | 2021-05-14 | 2021-05-14 | Automobile front end anti-collision structure |
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| Publication Number | Publication Date |
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| CN113263999A true CN113263999A (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110524726.5A Pending CN113263999A (en) | 2021-05-14 | 2021-05-14 | Automobile front end anti-collision structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635850A (en) * | 2021-09-08 | 2021-11-12 | 安徽江淮汽车集团股份有限公司 | Front anti-collision beam assembly |
| CN114131437A (en) * | 2021-09-18 | 2022-03-04 | 舒城久联精密机械有限公司 | Surface refining treatment system for motor shaft machining |
| CN114275046A (en) * | 2021-12-29 | 2022-04-05 | 安徽江淮汽车集团股份有限公司 | Vehicle collision energy-absorbing device |
| CN115009208A (en) * | 2022-06-23 | 2022-09-06 | 中国第一汽车股份有限公司 | A retractable front bumper beam assembly and automobile |
| CN116968676A (en) * | 2023-09-06 | 2023-10-31 | 深蓝汽车科技有限公司 | Active energy-absorbing longitudinal beam, control method, vehicle and storage medium |
| WO2026046086A1 (en) * | 2024-09-02 | 2026-03-05 | 程远亮 | Pop-up two-stage crash box |
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| KR19980049022U (en) * | 1996-12-30 | 1998-10-07 | 양재신 | Automobile shock absorber using hydraulic cylinder |
| CN2799330Y (en) * | 2005-06-22 | 2006-07-26 | 段练 | Sedan car with automatic extended anti-collision device |
| CN206812938U (en) * | 2017-05-27 | 2017-12-29 | 成都协恒科技有限公司 | A kind of collision damper for car |
| CN109591740A (en) * | 2019-01-15 | 2019-04-09 | 康郦 | New automobile crash cushions |
| CN110371064A (en) * | 2019-07-25 | 2019-10-25 | 孙素龙 | A kind of anti-collision device for automobile |
| CN110371065A (en) * | 2019-08-28 | 2019-10-25 | 冰蓟(上海)工程技术有限公司 | A kind of automobile hydraulic energy absorption mechanism |
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2021
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| KR19980049022U (en) * | 1996-12-30 | 1998-10-07 | 양재신 | Automobile shock absorber using hydraulic cylinder |
| CN2799330Y (en) * | 2005-06-22 | 2006-07-26 | 段练 | Sedan car with automatic extended anti-collision device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635850A (en) * | 2021-09-08 | 2021-11-12 | 安徽江淮汽车集团股份有限公司 | Front anti-collision beam assembly |
| CN114131437A (en) * | 2021-09-18 | 2022-03-04 | 舒城久联精密机械有限公司 | Surface refining treatment system for motor shaft machining |
| CN114275046A (en) * | 2021-12-29 | 2022-04-05 | 安徽江淮汽车集团股份有限公司 | Vehicle collision energy-absorbing device |
| CN114275046B (en) * | 2021-12-29 | 2022-11-22 | 安徽江淮汽车集团股份有限公司 | Vehicle collision energy-absorbing device |
| CN115009208A (en) * | 2022-06-23 | 2022-09-06 | 中国第一汽车股份有限公司 | A retractable front bumper beam assembly and automobile |
| CN116968676A (en) * | 2023-09-06 | 2023-10-31 | 深蓝汽车科技有限公司 | Active energy-absorbing longitudinal beam, control method, vehicle and storage medium |
| WO2026046086A1 (en) * | 2024-09-02 | 2026-03-05 | 程远亮 | Pop-up two-stage crash box |
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Address after: 241000 No.26, Fengming Hubei Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Applicant after: Wuhu Hengxin Automobile Lightweight Parts Manufacturing Co.,Ltd. Address before: 241000 No.26, Fengming Hubei Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Applicant before: WUHU HENGXIN AUTO INTERIOR TRIM Co.,Ltd. |
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Application publication date: 20210817 |
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