CN212373311U - Front-end anti-collision structure device with collision resistance of automobile - Google Patents
Front-end anti-collision structure device with collision resistance of automobile Download PDFInfo
- Publication number
- CN212373311U CN212373311U CN202021402228.0U CN202021402228U CN212373311U CN 212373311 U CN212373311 U CN 212373311U CN 202021402228 U CN202021402228 U CN 202021402228U CN 212373311 U CN212373311 U CN 212373311U
- Authority
- CN
- China
- Prior art keywords
- square
- collision
- front longitudinal
- automobile
- partition plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The application discloses a front-end anti-collision structural device with collision resistance for an 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.
Description
Technical Field
The application relates to a front-end anti-collision structure device with collision resistance of an automobile.
Background
Along with the rapid increase of the number of the passenger cars, the casualties caused by car collision accidents are increasing continuously. The design of frontal collision safety performance of automobiles has received high attention from the automotive 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. At present, the design of an energy absorption mechanism in the automobile industry is far from reaching the upper limit, the traditional energy absorption mechanism design and metal materials do not have performance advantages, and the optimization of the material and the structure is still to be further improved.
Disclosure of Invention
To the above technical problem that prior art exists, the utility model aims at providing a front end anticollision structural device of car crashworthiness.
The automobile front end energy absorption mechanism mainly comprises a front anti-collision beam, an energy absorption box and a front longitudinal beam. The main function of the front anti-collision beam is to absorb energy and stress generated by collision through self deformation, reduce the strength of the energy transmitted backwards acting on the energy-absorbing box, the energy-absorbing box plays a main role of absorbing the energy transmitted by the front anti-collision beam when the front face of the automobile is impacted, and the front longitudinal beam not only plays a role of supporting the front engine cabin of the automobile, but also plays a role of bearing longitudinal load. The energy absorber mainly absorbs impact energy when collision occurs during medium-high speed driving, and the energy is prevented from being transmitted to a cockpit, so that the safety of a driver and passengers is ensured.
When an automobile is collided, the anti-collision structure absorbs energy mainly through compression deformation, and the compression deformation is the compressed distance when the front-end anti-collision structure is crushed and deformed in an accident and comprises respective deformation quantities of a front anti-collision beam, an energy absorption box and a front longitudinal beam. Under the same working condition, when the vehicle collides at a certain vehicle speed, the smaller the front deformation displacement is, the more the residual energy can be absorbed when the vehicle collides at a higher speed, the less the impact kinetic energy is transferred to the passenger compartment, and the safer the passengers are.
The front-end anti-collision structural device with the collision resistance of the automobile is characterized by comprising 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; the two absorption boxes are respectively and fixedly arranged at the inner sides of the 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 structural device with the automobile crashworthiness is characterized in that the front longitudinal beam is formed by combining 4 identical U-shaped frames, each U-shaped frame comprises 2 identical internal angles, and the angle of each internal angle is 90-100 degrees.
The front-end anti-collision structure device with the automobile crashworthiness is characterized in that the angle of the inner angle of each U-shaped frame is 95 DEG
The front-end anti-collision structure device with the collision resistance of the automobile is characterized in that the front anti-collision beam comprises an arc-shaped bent plate and two identical hollow square bent pipes arranged on the inner side of the arc-shaped bent plate, a gap is formed between the two square bent pipes and the two square bent pipes are parallel to each other, and the two square bent pipes are identical to the arc length of the arc-shaped bent plate.
The front-end anti-collision structure device with the collision resistance of the automobile is characterized in that the positions, close to the end parts, of the left end and the right end of the inner side of each square bent pipe are respectively and fixedly provided with a wedge-shaped edge block, the inclined plane of each wedge-shaped edge block faces the end parts of the square bent pipes, the wedge-shaped edge blocks at the left end and the right end of each square bent pipe are respectively aligned up and down, and the two wedge-shaped edge blocks on the same square bent pipe are in mirror symmetry; the absorption box is fixedly arranged between the inner side surface of the end part of the square bent pipe and the inclined surface of the wedge-shaped edge block.
The front-end anti-collision structure device with the automobile crashworthiness is characterized in that the absorption box comprises a small square partition plate and a large square partition plate, four corners of the small square partition plate and four corners of the large square partition plate are subjected to fillet treatment, a plurality of layers of square sleeves with the same length and width are arranged between the small square partition plate and the large square partition plate, and a weight-reducing buffer rib is arranged between every two adjacent layers of square sleeves; the small square partition plate of the absorption box is fixedly arranged on the inner side surface of the end part of the square bent pipe and the position between the inner side surface of the end part of the square bent pipe and the inclined surface of the wedge-shaped edge block, and one end, provided with the large square partition plate, of the absorption box is fixedly connected with one end of the front longitudinal beam.
The front-end anti-collision structure device with the collision resistance of the automobile is characterized by further comprising a plug-in pipe block with a square appearance, a cross-shaped groove hole matched with the appearance of the front longitudinal beam is formed in one end of the plug-in pipe block, one end of the front longitudinal beam is tightly inserted into the cross-shaped groove hole of the plug-in pipe block, and the plug-in pipe block is tightly inserted into a first layer of square sleeve close to the large square partition plate of the absorption box in a matched mode to realize fixed connection between one end of the front longitudinal beam and the absorption box.
The front-end anti-collision structure device with the collision resistance of the automobile is characterized in that the number of layers of the square sleeves arranged between the small square partition plate and the large square partition plate is 3-4.
The beneficial effect that this application was got is:
1. the front anti-collision beam has a hollow structure with a higher degree, so that the weight of the front end anti-collision structure device with the crashworthiness of the automobile is greatly reduced, the driving performance of the automobile is improved, and the impact force borne by the automobile in the collision process is also reduced. This application has still 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.
2. In the front-end anti-collision structure device with the automobile crashworthiness, parts needing to be replaced and maintained are few, so that the maintenance cost after the automobile is collided is reduced, the design and the manufacture of an automobile front anti-collision beam can be well guided in the industry, the anti-collision performance of the automobile can be enhanced, and when a traffic accident happens, the casualties of passengers are reduced as far as possible.
Drawings
FIG. 1 is a schematic structural view of a front-end crash structure apparatus for vehicle crash resistance according to the present application;
FIG. 2 is a schematic structural view of a front side rail of the present application;
FIG. 3 is a schematic view showing the structure of an absorption cassette according to the present application;
FIG. 4 is a schematic structural view of a front impact beam of the present application;
in the figure: 1-front anti-collision beam, 101-square bent pipe, 102-wedge-shaped edge block, 2-energy absorption box, 201-large square clapboard, 202-square sleeve, 203-small square clapboard, 204-weight-reducing buffer ridge, 3-front longitudinal beam, 3 a-U-shaped frame and 4-support plate.
Detailed Description
The present invention is further illustrated by the following examples, which should not be construed as limiting the scope of the invention.
Example (b): compare FIGS. 1-4
The utility model provides a front end anticollision structure device of car crashworthiness, includes preceding crashproof roof beam 1, two absorption box 2, with front longitudinal 3 and backup pad 4 of absorption box 2 one-to-one, front longitudinal 3 is the closed dodecagon frame construction that is formed by 4U type frame 3a combinations, and front longitudinal 3's cross section is inside hollow cross frame construction. Two absorption boxes 2 are respectively and fixedly arranged at the inner sides of two ends of a front anti-collision beam 1, one end of a front longitudinal beam 3 is fixedly connected to the front anti-collision beam 1 through the absorption boxes 2, and the other end of the front longitudinal beam 3 is fixedly connected to a supporting plate 4.
Referring to fig. 1, the front impact beam 1 is illustrated in a state in which the front side member 3 is caused to bend and deform when a strong impact is applied thereto. The front longitudinal beam 3 is of a dodecagon structure, the front longitudinal beam 3 is formed by combining 4 same U-shaped frames, each U-shaped frame comprises 2 same inner angles, the angles of the inner angles are 90-100 degrees, preferably 95 degrees, and therefore when the front longitudinal beam is subjected to strong impact force, the front longitudinal beam can be deformed by crushing of a strong transverse section on the cross section of the front longitudinal beam while being bent, and more energy is absorbed.
In comparison with fig. 4, the front anti-collision beam 1 includes an arc-shaped bent plate and two identical hollow square bent pipes 101 disposed inside the arc-shaped bent plate, a gap is formed between the two square bent pipes 101 and the two square bent pipes are parallel to each other, and the arc lengths of the two square bent pipes 101 and the arc-shaped bent plate are the same. Set up the aim at in certain clearance between two square bending 101, when current anticollision roof beam 1 received the striking of stronger intensity, two square bending 101 all had certain compression deformation space, prevented to have mutual interference when compression deformation.
In comparison with fig. 4, the positions of the left and right ends of the inner side of each square bent pipe 101 near the end are respectively and fixedly provided with a wedge-shaped edge block 102, the inclined plane of the wedge-shaped edge block 102 faces the end of the square bent pipe 101, the wedge-shaped edge blocks 102 at the left and right ends of the two square bent pipes 101 are respectively aligned up and down, and the two wedge-shaped edge blocks 102 on the same square bent pipe 101 are in mirror symmetry; the absorption box 2 is fixedly arranged between the inner side surface of the end part of the square elbow 101 and the inclined surface of the wedge-shaped edge block 102. The purpose of arranging the wedge-shaped prism blocks 102 is to facilitate the fixing of the two absorption boxes 2 in parallel to each other at the inner sides of the two ends of the front anti-collision beam 1, and prevent the stress direction of the absorption boxes 2 from directing to the arc center of the front anti-collision beam 1, so as to influence the anti-collision effect.
In comparison with fig. 3, the absorption box 2 comprises a small square partition plate 203 and a large square partition plate 201, four corners of the small square partition plate 203 and four corners of the large square partition plate 201 are all subjected to fillet treatment, 3 layers or 4 layers of square sleeves 202 with the same length and width are arranged between the small square partition plate 203 and the large square partition plate 201, and weight-reducing buffer ribs 204 are arranged between two adjacent layers of square sleeves 202; the small square partition plate 203 of the absorption box 2 is fixedly arranged between the inner side surface of the end part of the square elbow 101 and the inclined surface of the wedge-shaped prism block 102, and one end of the absorption box 2, which is provided with the large square partition plate 201, is fixedly connected with one end of the front longitudinal beam 3.
In order to facilitate the fixed connection between one end of the front longitudinal beam 3 and the absorption box 2, the device further comprises a plug-in pipe block. The shape of the plug-in pipe block is a square structure matched with the inner space of the square sleeve 202, a cross slot hole matched with the shape of the front longitudinal beam 3 is arranged in one end of the plug-in pipe block, and the other end of the plug-in pipe block is sealed. One end of the front longitudinal beam 3 is tightly inserted into the cross slot of the plug-in pipe block, and the plug-in pipe block is tightly inserted into the first layer square sleeve 202 of the absorption box 2 close to the large square clapboard 201 in a matched manner, so that the fixed connection between one end of the front longitudinal beam 3 and the absorption box 2 is realized.
The number of layers of the square sleeve 202 is marked as a first layer, a second layer, a third layer and the like in sequence along the direction from the large square partition 201 to the small square partition 203. When the front-end anti-collision structural device with the crashworthiness of the automobile receives strong impact force, the plug-in pipe blocks can penetrate through the weight-reducing buffer ribs 204 and extrude into the second layer of square sleeve 202 in a slightly deformed state, and if the impact force is large enough, the plug-in pipe blocks can also continuously extrude into the third layer of square sleeve 202.
The purpose that sets up on this application absorbing box 2 and subtract heavy buffering stupefied 204 is not only in order to promote anticollision effect through cushioning effect, subtracts the setting of heavy buffering stupefied 204 and can also make absorbing box 2's square sleeve pipe 202 atress be difficult to concentrate, prevents that square sleeve pipe 202 from breaking.
The statements in this specification merely set forth a list of implementations of the inventive concept and the scope of the present invention should not be construed as limited to the particular forms set forth in the examples.
Claims (8)
1. The front-end anti-collision structure device with the collision resistance of the automobile is characterized by comprising a front anti-collision beam (1), two absorption boxes (2), front longitudinal beams (3) and a support plate (4), wherein the front longitudinal beams (3) correspond to the absorption boxes (2) one by one, the front longitudinal beams (3) are of a closed dodecagon frame structure formed by combining 4U-shaped frames (3 a), and the cross section of each front longitudinal beam (3) is of a cross frame structure with a hollow interior;
the two absorption boxes (2) are respectively and fixedly arranged at the inner sides of the two ends of the front anti-collision beam (1), one end of the front longitudinal beam (3) is fixedly connected onto the front anti-collision beam (1) through the absorption boxes (2), and the other end of the front longitudinal beam (3) is fixedly connected onto the supporting plate (4).
2. A front-end crash structure device for vehicle crashworthiness as claimed in claim 1, wherein said front side member (3) is composed of 4 identical U-shaped frames, each of which has 2 identical internal angles, and the angle of the internal angle is 90-100 °.
3. The front-end anti-collision structure device for the automobile crashworthiness as claimed in claim 1, characterized in that the front anti-collision beam (1) comprises an arc-shaped bent plate and two identical hollow square bent pipes (101) arranged at the inner side of the arc-shaped bent plate, a gap is arranged between the two square bent pipes (101) and the two square bent pipes are parallel to each other, and the arc length of the two square bent pipes (101) is the same as that of the arc-shaped bent plate.
4. The front-end anti-collision structure device of the automobile crashworthiness as claimed in claim 3, characterized in that the positions close to the end parts of the left and right ends of the inner side of each square bent pipe (101) are respectively and fixedly provided with a wedge-shaped edge block (102), the inclined plane of the wedge-shaped edge block (102) faces the end parts of the square bent pipes (101), the wedge-shaped edge blocks (102) at the left and right ends of the two square bent pipes (101) are respectively aligned up and down, and the two wedge-shaped edge blocks (102) on the same square bent pipe (101) are in mirror symmetry;
the absorption box (2) is fixedly arranged between the inner side surface of the end part of the square bent pipe (101) and the inclined surface of the wedge-shaped edge block (102).
5. The front-end anti-collision structure device with the automobile crashworthiness as claimed in claim 3, characterized in that the absorption box (2) comprises a small square partition plate (203) and a large square partition plate (201), four corners of the small square partition plate (203) and the large square partition plate (201) are subjected to fillet treatment, a plurality of layers of square sleeves (202) with the same length and width are arranged between the small square partition plate (203) and the large square partition plate (201), and weight-reducing buffer ribs (204) are arranged between two adjacent layers of square sleeves (202); the small square partition plate (203) of the absorption box (2) is fixedly arranged on the inner side surface of the end part of the square bent pipe (101) and the inclined surface between the inner side surface and the inclined surface of the wedge-shaped prism block (102), and one end, provided with the large square partition plate (201), of the absorption box (2) is fixedly connected with one end of the front longitudinal beam (3).
6. The front-end anti-collision structure device with the crashworthiness of the automobile as claimed in claim 5, characterized in that the front-end anti-collision structure device further comprises a plug-in pipe block with a square shape, a cross slot hole matched with the shape of the front longitudinal beam (3) is arranged in one end of the plug-in pipe block, one end of the front longitudinal beam (3) is tightly inserted into the cross slot hole of the plug-in pipe block, and the plug-in pipe block is tightly inserted into the first layer of square sleeve (202) of the absorption box (2) close to the large square clapboard (201) to realize the fixed connection between one end of the front longitudinal beam (3) and the absorption box (2).
7. The front-end crashworthy structural device for automobiles as claimed in claim 5, wherein the number of layers of the square sleeve (202) arranged between the small square partition (203) and the large square partition (201) is 3-4.
8. A front-end crash structure device for vehicle crashworthiness as claimed in claim 1, wherein said front side member (3) is composed of 4 identical U-shaped frames, each having 2 identical internal angles, and the angle of the internal angle is 95 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021402228.0U CN212373311U (en) | 2020-07-16 | 2020-07-16 | Front-end anti-collision structure device with collision resistance of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021402228.0U CN212373311U (en) | 2020-07-16 | 2020-07-16 | Front-end anti-collision structure device with collision resistance of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212373311U true CN212373311U (en) | 2021-01-19 |
Family
ID=74172335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021402228.0U Active CN212373311U (en) | 2020-07-16 | 2020-07-16 | Front-end anti-collision structure device with collision resistance of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212373311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703391A (en) * | 2020-07-16 | 2020-09-25 | 浙江工业大学 | Anti-collision structure device at front end of automobile |
-
2020
- 2020-07-16 CN CN202021402228.0U patent/CN212373311U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703391A (en) * | 2020-07-16 | 2020-09-25 | 浙江工业大学 | Anti-collision structure device at front end of automobile |
| CN111703391B (en) * | 2020-07-16 | 2024-04-02 | 浙江工业大学 | Anti-collision structure device at front end of automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210149273U (en) | Little overlapping offset collision automobile body front end integrated configuration | |
| CN113544048B (en) | Sill structure for vehicle and method for obtaining the same | |
| EP2168838B1 (en) | Railway vehicle having a shock absorbing device | |
| KR20210145270A (en) | side sill parts for automobiles | |
| CN211943207U (en) | Front collision structure, automobile front collision device and automobile | |
| CN202847620U (en) | Passenger car direct impact energy absorption structure and passenger car with the same | |
| CN113263999A (en) | Automobile front end anti-collision structure | |
| CN202783388U (en) | General safety compartment for automobile | |
| CN113954970A (en) | Vehicle body front frame structure | |
| CN212373311U (en) | Front-end anti-collision structure device with collision resistance of automobile | |
| CN110789479A (en) | Front-end anti-collision device of vehicle body | |
| WO2015155871A1 (en) | Cowcatcher and railroad vehicle provided with cowcatcher | |
| CN111231874B (en) | Front anti-collision beam assembly applied to car | |
| CN110072763B (en) | Underbody structure for a motor vehicle, in particular a hybrid motor vehicle, suitable for a side impact | |
| CN112874459A (en) | Energy absorption box structure and using method thereof | |
| WO2021091514A1 (en) | A supported crash box | |
| CN214689769U (en) | Front end structure and vehicle | |
| CN111703391A (en) | Anti-collision structure device at front end of automobile | |
| CN212709293U (en) | Lightweight car bumper crossbeam | |
| CN213262624U (en) | Reinforcing structure of vehicle threshold beam, vehicle threshold beam assembly and vehicle | |
| CN102975770A (en) | Automobile floor beam and automobile floor with same | |
| CN103448803A (en) | Floor rear crossbeam reinforcing structure | |
| CN210707652U (en) | Automobile longitudinal beam connecting structure, automobile longitudinal beam structure using same and automobile | |
| CN113415342A (en) | Vehicle body front portion structure and vehicle | |
| CN108202684B (en) | Collision protection structure and automobile using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |