CN112977312A - High strength car anticollision roof beam and car thereof - Google Patents
High strength car anticollision roof beam and car thereof Download PDFInfo
- Publication number
- CN112977312A CN112977312A CN202110395751.8A CN202110395751A CN112977312A CN 112977312 A CN112977312 A CN 112977312A CN 202110395751 A CN202110395751 A CN 202110395751A CN 112977312 A CN112977312 A CN 112977312A
- Authority
- CN
- China
- Prior art keywords
- buffer
- high strength
- elastic buffer
- elastic
- energy
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 17
- 230000006378 damage Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 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
- B60R19/18—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
- B60R19/20—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 containing mainly gas or liquid, e.g. inflatable
- B60R19/205—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 containing mainly gas or liquid, e.g. inflatable inflatable in the direction of an obstacle upon impending impact, e.g. using air bags
-
- 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
- B60R2019/1893—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 comprising a multiplicity of identical adjacent shock-absorbing means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a high-strength automobile anti-collision beam and an automobile thereof, wherein the anti-collision beam comprises a beam body, a cross beam, an elastic buffer mechanism and an energy-absorbing frame body structure; the elastic buffer mechanism and the energy-absorbing frame body structure are arranged between the beam body and the crossbeam, and an air bag is arranged between the beam body and the crossbeam; the elastic buffer mechanism comprises a pair of elastic buffer structures which are oppositely arranged, and the energy-absorbing frame structure is arranged between the pair of elastic buffer structures; the elastic buffer structure comprises a first-level elastic buffer structure and a second-level elastic buffer structure, and the first-level elastic buffer structure and the second-level elastic buffer structure are transversely arranged at intervals. The anti-collision beam has high structural strength and good buffering and energy absorbing performance, and can ensure the safety of internal personnel to the maximum extent.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a high-strength automobile anti-collision beam and an automobile thereof.
Background
The front and rear anti-collision beams are the structures for bearing the impact force of the vehicle for the first time, and an important idea in the aspect of passive safety of the vehicle body is that the front and rear anti-collision beams bear the impact force at one point and bear the force of the whole body; it is said that a certain position of the automobile body is impacted, and if only the part is allowed to bear the force, the protection effect achieved is very poor; if the whole framework structure bears the force when a certain point is stressed, the strength of the force stressed by one point can be reduced to the maximum extent; in particular, the front and rear impact beams play a significant role here.
At present, the rear anti-collision beam of the automobile mostly adopts a simple buffering anti-collision mechanism, and the front anti-collision beam of some automobiles even adopts a plastic buffering shell, so that the safety of the automobile in low-speed running can only be ensured, the impact stress area is concentrated on the front of the automobile, the impact force is concentrated to cause serious damage to the automobile, and simultaneously, the injury is caused to personnel, and the safety of the personnel in the automobile can not be ensured to the maximum extent.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-strength automobile anti-collision beam and an automobile thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the high-strength automobile anti-collision beam comprises a beam body, a cross beam, an elastic buffer mechanism and an energy-absorbing frame body structure; the elastic buffer mechanism and the energy-absorbing frame body structure are arranged between the beam body and the cross beam.
Further or preferred: the elastic buffer mechanism comprises a pair of elastic buffer structures which are oppositely arranged, and the energy-absorbing frame structure is arranged between the pair of elastic buffer structures.
And an air bag is arranged between the beam body and the cross beam.
The elastic buffer structure is an elastic buffer structure with more than two stages.
The energy-absorbing frame structure is a steel structure frame structure or an aluminum structure frame structure.
The pair of elastic buffer structures are respectively arranged corresponding to the ends of the beam body and the cross beam, and the energy-absorbing frame structure is arranged corresponding to the middle position of the beam body.
The inner side of the beam body is provided with a groove, and the energy-absorbing frame body structure is arranged corresponding to the groove.
The groove on the inner side of the beam body is an arc-shaped groove, and an arc-shaped bulge is formed on the outer side of the beam body.
The safety air bag is arranged on the energy-absorbing frame body structure.
The safety air bags are arranged on the inner side of the energy-absorbing frame body structure, and reinforcing plates are arranged on the cross beams corresponding to the safety air bags.
The elastic buffer structure comprises a first-level elastic buffer structure and a second-level elastic buffer structure, and the first-level elastic buffer structure and the second-level elastic buffer structure are transversely arranged at intervals.
The tip of the roof beam body is equipped with the buffer beam, and the tip of crossbeam is equipped with first buffer structure, links to each other through elastic damping tooth structure between buffer beam and the first buffer structure, forms first order buffer structure.
And a first-stage buffer structure is formed between the two end parts of the beam body and the beam and is symmetrically arranged.
The elastic damping tooth structure comprises a rack arranged on the buffer rod and a damping gear arranged on the first buffer structure, and the rack is meshed with the damping gear.
The end part of the beam body is connected with a fixed rod, one end of the buffer rod is welded on the fixed rod, the first buffer structure is welded on the end part of the beam, and the second-level elastic buffer structure is arranged on the beam and located on the inner side of the first buffer structure.
And the end part of the cross beam corresponding to the buffer rod is provided with an anti-collision pad.
The first buffer structure comprises a shell, a gear, a wire wheel, a connecting wire and an anti-stretching spring; the gear is established on the casing through the pivot, and the line wheel is established in gear one side, and the stretch-proofing spring is established in the casing, and the one end of connecting wire links to each other with the line wheel, and the other end and the stretch-proofing spring tip of connecting wire link to each other.
First buffer structure includes casing and gear, and the gear is established on the casing through the pivot, is equipped with the torsional spring in the pivot, and the one end of torsional spring links to each other with the gear, and the one end of torsional spring links to each other with the casing.
The anti-collision cushion is an elastic cushion.
The second-stage elastic buffer structure is fixed on the cross beam and is positioned on the inner side of the first-stage elastic buffer structure.
The second-stage elastic buffer structure comprises buffer supporting blocks and telescopic strips, the buffer supporting blocks are arranged on the cross beam through the telescopic strips, and elastic units are arranged between the buffer supporting blocks and the cross beam.
The elastic unit is a group of spiral springs arranged side by side.
The telescopic strip is of a scissor fork connecting rod structure.
The energy-absorbing frame structure comprises a transverse plate and a group of longitudinal rods, and the group of longitudinal rods are arranged between the inner side of the beam body and the transverse plate.
The automobile comprises an automobile body and the high-strength automobile anti-collision beam, wherein the high-strength automobile anti-collision beam is arranged on the automobile body.
Compared with the prior art, the invention has the following advantages:
1. the anti-collision beam has a double-buffering structure, and under the matching of the two structures, the harm caused by collision is reduced to the greatest extent; when the beam body impacts an object, the beam body moves inwards under the action of impact force, and the arranged gear and the stretching-resistant spring can play a role in buffering, so that a first-stage buffering effect is achieved; when the impact force is larger, the fixed rod can extrude the second buffer structure, and the telescopic strip of the second buffer structure can extrude the spring, so that the impact force is relieved, and a second-stage buffer effect is achieved; after the buffering is finished, the beam body can be restored to the original position under the action of the elastic force of the spring, and the use is safe and efficient;
2. through being provided with energy-absorbing frame and air bag, the energy-absorbing frame guarantees that the car can't absorb the energy that the striking produced when receiving huge striking when buffering through buffer, reduces the dynamics that the striking brought, can effectually reduce the danger that the striking brought to personnel in the car like this, the air bag that sets up simultaneously can open air bag automatically when the striking dynamics is too big to contact air bag and open the subassembly, maximum assurance inside personnel's safety.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of the structure of the impact beam of the present invention.
FIG. 2 is a schematic cross-sectional view of a first buffer structure according to the present invention.
FIG. 3 is a cross-sectional view of a second buffer structure according to the present invention.
In the figure:
1. the automobile bumper comprises a bumper beam, 11 beam bodies, 12 fixing rods, 13 energy absorbing frames, 14 airbags, 15 buffer rods, 16 racks, 2 buffer mechanisms, 21 first buffer structures, 211 housings, 212 gears, 213 wire wheels, 214 connecting wires, 215 tensile springs, 216 crash pads, 22 cross beams, 23 second buffer structures, 231 telescopic strips, 232 springs and 233 buffer supporting blocks.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the high-strength automobile anti-collision beam 1 comprises a beam body 11, a cross beam 22, an elastic buffer mechanism 2 and an energy-absorbing frame structure; the elastic buffer mechanism and the energy-absorbing frame body structure are arranged between the beam body and the crossbeam, and an air bag 14 is arranged between the beam body and the crossbeam; the elastic buffer mechanism comprises a pair of elastic buffer structures which are oppositely arranged, and the energy-absorbing frame structure is arranged between the pair of elastic buffer structures.
The energy-absorbing frame body structure is a steel structure frame structure or an aluminum structure frame structure; preferably, the energy-absorbing frame structure comprises a transverse plate and a group of longitudinal rods, and the group of longitudinal rods are arranged between the inner side of the beam body and the transverse plate; the structural strength of the automobile anti-collision beam can be guaranteed, and good collision energy absorption effect can be guaranteed.
The elastic buffer structure is more than two stages of elastic buffer structures; furthermore, the elastic buffering structure comprises a first-level elastic buffering structure and a second-level elastic buffering structure, and the first-level elastic buffering structure and the second-level elastic buffering structure are transversely arranged at intervals.
The pair of elastic buffer structures are respectively arranged corresponding to the ends of the beam body and the cross beam, the energy absorption frame body structure is arranged corresponding to the middle position of the beam body, the two sides are stressed in a balanced manner, the impact force is evenly distributed, and the large damage caused by uneven positions can be avoided; a groove is formed on the inner side of the beam body, and the energy-absorbing frame body structure is arranged corresponding to the groove; the recess of the internal side of roof beam is the arc recess, and the outside of the roof beam body forms the arc arch, compact structure.
The safety air bag is arranged on the energy-absorbing frame body structure; furthermore, the safety air bag is arranged on the inner side of the energy-absorbing frame body structure, the cross beam is provided with a reinforcing plate corresponding to the safety air bag, and the collision limit position is buffered again through the air bag, so that people in the vehicle can be well protected.
The beam body and the two ends of the beam form a first-stage buffer structure which is symmetrically arranged. The tip of the roof beam body is equipped with the buffer beam, and the tip of crossbeam is equipped with first buffer structure, links to each other through elastic damping tooth structure between buffer beam and the first buffer structure, forms first order buffer structure.
The elastic damping tooth structure comprises a rack arranged on the buffer rod and a damping gear arranged on the first buffer structure, and the rack is meshed with the damping gear.
Preferably, the end part of the beam body is connected with a fixed rod 12, one end of a buffer rod 15 is welded on the fixed rod, a first buffer structure 21 is welded on the end part of the beam, and a second-stage elastic buffer structure 23 is arranged on the beam and is positioned on the inner side of the first buffer structure; the first buffer structure comprises a shell 211, a gear 212, a reel 213, a connecting wire 214 and an anti-stretching spring 215; the gear is established on the casing through the pivot, and the line wheel is established in gear one side, and the stretch-proofing spring is established in the casing, and the one end of connecting wire links to each other with the line wheel, and the other end and the stretch-proofing spring tip of connecting wire link to each other.
Or, first buffer structure includes casing and gear, and the gear is established on the casing through the pivot, is equipped with the torsional spring in the pivot, and the one end of torsional spring links to each other with the gear, and the one end of torsional spring links to each other with the casing.
The tip that corresponds the buffer beam on the crossbeam is equipped with crashproof pad 216, and is preferred, and crashproof pad is elastic buffer, can effectively protect the buffer beam.
The second-stage elastic buffer structure is fixed on the cross beam 22 and is positioned at the inner side of the first-stage elastic buffer structure; the second-stage elastic buffer structure comprises a buffer supporting block 233 and a telescopic strip 231, the buffer supporting block is arranged on the cross beam through the telescopic strip, and an elastic unit is arranged between the buffer supporting block and the cross beam; preferably, the elastic unit is a set of coil springs 232 arranged side by side; the telescopic bar is in a scissor fork connecting rod structure.
The automobile comprises an automobile body and the high-strength automobile anti-collision beam, wherein the shell of the high-strength automobile anti-collision beam is arranged at the front end and the rear end of the automobile body.
The anti-collision beam has a double-buffering structure, and under the matching of the two structures, the harm caused by collision is reduced to the maximum extent; when the beam body impacts an object, the beam body moves inwards under the action of impact force, and the arranged gear and the stretching-resistant spring can play a role in buffering, so that a first-stage buffering effect is achieved; when the impact force is larger, the fixed rod can extrude the second buffer structure, and the telescopic strip of the second buffer structure can extrude the spring, so that the impact force is relieved, and a second-stage buffer effect is achieved; after the buffering is finished, the beam body can be restored to the original position under the action of the elastic force of the spring, and the use is safe and efficient;
through being provided with energy-absorbing frame and air bag, the energy-absorbing frame guarantees that the car can't absorb the energy that the striking produced when receiving huge striking when buffering through buffer, reduces the dynamics that the striking brought, can effectually reduce the danger that the striking brought to personnel in the car like this, the air bag that sets up simultaneously can open air bag automatically when the striking dynamics is too big to contact air bag and open the subassembly, maximum assurance inside personnel's safety.
Preferred specific examples are:
high strength automobile structure anticollision roof beam, including anticollision roof beam 1 and buffer gear 2, anticollision roof beam 1 includes the roof beam body 11, dead lever 12, energy-absorbing frame 13, air bag 14, buffer beam 15 and rack 16, dead lever 12 and 11 both sides welding of roof beam body, energy-absorbing frame 13 and 11 bottom welding of roof beam body, air bag 14 and energy-absorbing frame 13 welding, the bottom welding of buffer beam 15 and dead lever 12 both sides, rack 16 and 15 bottom one side welding of buffer beam.
According to the automobile safety airbag device, the energy absorption frame 13 and the safety airbag 14 are arranged, the energy absorption frame 13 can absorb energy generated by impact when an automobile is impacted greatly and cannot be buffered through the buffer device, the force caused by the impact is reduced, the danger of the impact on personnel in the automobile can be effectively reduced, and meanwhile, the safety airbag 14 can be automatically opened when the impact force is too large and the safety airbag 14 contacts the safety airbag opening assembly, so that the safety of the personnel in the automobile is ensured to the maximum extent.
The buffer mechanism 2 is movably connected with the anti-collision beam 1, the buffer mechanism 2 comprises a first buffer structure 21, a cross beam 22 and a second buffer structure 23, the first buffer structure 21 comprises a device shell 211, a gear 212, a wire wheel 213, a connecting wire 214, an anti-stretching spring 215 and an anti-collision pad 216, the gear 212 is rotatably connected with the center of the top of the inner cavity of the shell 211 through a rotating shaft, the wire wheel 213 is welded with the center of the gear 212, the anti-stretching spring 215 is welded with the center of the bottom of the shell 211, the anti-stretching spring 215 is fixedly connected with the wire wheel 213 through the connecting wire 214, the anti-collision pad 216 is welded with the middle of one side of the shell 211, and the; the cross beam 22 is welded to the bottom side of the housing 211.
The second buffer structures 23 are welded with one side of the top of the cross beam 22, the number of the first buffer structures 21 is two, the two first buffer structures 21 are respectively positioned at two sides of the anti-collision beam 1, the cross beam 22 is welded with one side close to the two first buffer structures 21, the impact force can be evenly distributed when the impact force is applied to the two sides by the two sides, and the device cannot be damaged due to uneven positions; the second buffer structure 23 comprises a telescopic strip 231, a spring 232 and a buffer supporting block 233, the telescopic strip 231 is welded with the top of the cross beam 22, the spring is arranged between the buffer supporting block and the cross beam, the buffer supporting block 233 is welded with the top of the telescopic strip 231, the rack 16 is meshed with the gear 212, so that a transmission relation is generated between the gear 212 and the rack 16, when the rack 16 moves downwards, the gear 212 rotates due to the movement of the rack, so that a buffer step is performed, the buffer mechanism 2 is fixedly connected with the automobile through one side of the outer part of the shell 211, the collision avoidance beam 1 and the buffer structure 2 can be well connected in such a way, the required buffer effect cannot be achieved due to improper connection, the position of the collision avoidance cushion 216 is arranged opposite to the position of the buffer rod 15, the collision avoidance cushion 216 is used for protecting the buffer rod 15, so that the buffer rod 15 cannot be damaged due, the springs 232 are ten in total, the ten springs 232 are evenly distributed on two sides of the telescopic bar 231, each supporting point of the telescopic bar 231 is provided with the spring 232, and the springs 232 enable impact force not to directly damage the telescopic bar 231.
When the safe airbag opening device is used, when impact is received, the beam body 11 is extruded inwards, the fixed rod 12 extrudes the buffer rod 15, the buffer rod 15 moves downwards, the rack 16 on the buffer rod 15 drives the gear 212 to rotate, the gear 212 rotates to drive the connecting line 214 to contract, the connecting line 214 contracts and pulls the anti-stretching spring 215 to buffer under the action of the anti-stretching spring 215, when the impact force is larger, the fixed rod 13 extrudes the buffer supporting block 233, the buffer supporting block 233 extrudes the telescopic bar 231 to enable the telescopic bar 231 to contract, the springs 232 on two sides of the telescopic bar 231 enable the buffer to be smaller, when the impact force exceeds the limit of the buffer device, the energy absorption frame 13 absorbs part of the impact force, the safety airbag 14 is enabled to be in contact with the opening device. The anti-collision beam has high structural strength and good buffering and energy absorbing performance, and can ensure the safety of internal personnel to the maximum extent under various collision conditions.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (25)
1. The utility model provides a high strength automobile anticollision roof beam, includes the roof beam body and crossbeam, its characterized in that: the energy-absorbing frame also comprises an elastic buffer mechanism and an energy-absorbing frame structure; the elastic buffer mechanism and the energy-absorbing frame body structure are arranged between the beam body and the cross beam.
2. The high strength automotive impact beam of claim 1, wherein: the elastic buffer mechanism comprises a pair of elastic buffer structures which are oppositely arranged, and the energy-absorbing frame structure is arranged between the pair of elastic buffer structures.
3. The high strength automotive impact beam of claim 1, wherein: and an air bag is arranged between the beam body and the cross beam.
4. The high strength automotive impact beam of claim 1, wherein: the elastic buffer structure is an elastic buffer structure with more than two stages.
5. The high strength automotive impact beam of claim 1, wherein: the energy-absorbing frame structure is a steel structure frame structure or an aluminum structure frame structure.
6. The high strength automotive impact beam of claim 2, wherein: the pair of elastic buffer structures are respectively arranged corresponding to the ends of the beam body and the cross beam, and the energy-absorbing frame structure is arranged corresponding to the middle position of the beam body.
7. The high strength automobile impact beam of claim 6, wherein: the inner side of the beam body is provided with a groove, and the energy-absorbing frame body structure is arranged corresponding to the groove.
8. The high strength automotive impact beam of claim 7, wherein: the groove on the inner side of the beam body is an arc-shaped groove, and an arc-shaped bulge is formed on the outer side of the beam body.
9. The high strength automobile impact beam of claim 3, wherein: the safety air bag is arranged on the energy-absorbing frame body structure.
10. The high strength automotive impact beam of claim 9, wherein: the safety air bags are arranged on the inner side of the energy-absorbing frame body structure, and reinforcing plates are arranged on the cross beams corresponding to the safety air bags.
11. The high strength automobile impact beam of claim 4, wherein: the elastic buffer structure comprises a first-level elastic buffer structure and a second-level elastic buffer structure, and the first-level elastic buffer structure and the second-level elastic buffer structure are transversely arranged at intervals.
12. The high strength automotive impact beam of claim 11, wherein: the tip of the roof beam body is equipped with the buffer beam, and the tip of crossbeam is equipped with first buffer structure, links to each other through elastic damping tooth structure between buffer beam and the first buffer structure, forms first order buffer structure.
13. The high strength automotive impact beam of claim 12, wherein: and a first-stage buffer structure is formed between the two end parts of the beam body and the beam and is symmetrically arranged.
14. The high strength automotive impact beam of claim 12, wherein: the elastic damping tooth structure comprises a rack arranged on the buffer rod and a damping gear arranged on the first buffer structure, and the rack is meshed with the damping gear.
15. The high strength automotive impact beam of claim 14, wherein: the end part of the beam body is connected with a fixed rod, one end of the buffer rod is welded on the fixed rod, the first buffer structure is welded on the end part of the beam, and the second-level elastic buffer structure is arranged on the beam and located on the inner side of the first buffer structure.
16. The high strength automotive impact beam of claim 14, wherein: and the end part of the cross beam corresponding to the buffer rod is provided with an anti-collision pad.
17. The high strength automotive impact beam of claim 14, wherein: the first buffer structure comprises a shell, a gear, a wire wheel, a connecting wire and an anti-stretching spring; the gear is established on the casing through the pivot, and the line wheel is established in gear one side, and the stretch-proofing spring is established in the casing, and the one end of connecting wire links to each other with the line wheel, and the other end and the stretch-proofing spring tip of connecting wire link to each other.
18. The high strength automotive impact beam of claim 14, wherein: first buffer structure includes casing and gear, and the gear is established on the casing through the pivot, is equipped with the torsional spring in the pivot, and the one end of torsional spring links to each other with the gear, and the one end of torsional spring links to each other with the casing.
19. The high strength automotive impact beam of claim 16, wherein: the anti-collision cushion is an elastic cushion.
20. The high strength automotive impact beam of claim 11, wherein: the second-stage elastic buffer structure is fixed on the cross beam and is positioned on the inner side of the first-stage elastic buffer structure.
21. The high strength automotive impact beam of claim 20, wherein: the second-stage elastic buffer structure comprises buffer supporting blocks and telescopic strips, the buffer supporting blocks are arranged on the cross beam through the telescopic strips, and elastic units are arranged between the buffer supporting blocks and the cross beam.
22. The high strength automotive impact beam of claim 21, wherein: the elastic unit is a group of spiral springs arranged side by side.
23. The high strength automotive impact beam of claim 21, wherein: the telescopic strip is of a scissor fork connecting rod structure.
24. The high strength automobile impact beam of claim 5, wherein: the energy-absorbing frame structure comprises a transverse plate and a group of longitudinal rods, and the group of longitudinal rods are arranged between the inner side of the beam body and the transverse plate.
25. An automobile, comprising a body, characterized in that: the high-strength automobile anti-collision beam as claimed in any one of claims 1 to 24 is arranged on an automobile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110395751.8A CN112977312A (en) | 2021-04-13 | 2021-04-13 | High strength car anticollision roof beam and car thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110395751.8A CN112977312A (en) | 2021-04-13 | 2021-04-13 | High strength car anticollision roof beam and car thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112977312A true CN112977312A (en) | 2021-06-18 |
Family
ID=76338266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110395751.8A Pending CN112977312A (en) | 2021-04-13 | 2021-04-13 | High strength car anticollision roof beam and car thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112977312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115626133A (en) * | 2022-11-01 | 2023-01-20 | 宁波吉威盛机械有限公司 | Front beam buffering connecting piece for new energy automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017083997A1 (en) * | 2015-11-16 | 2017-05-26 | 陈达兵 | Vehicle bumper comprising multiple damping and energy absorbing shields therein |
| CN109969112A (en) * | 2019-02-26 | 2019-07-05 | 浙江飞碟汽车制造有限公司 | A kind of automobile buffer beam |
| CN209955926U (en) * | 2019-02-26 | 2020-01-17 | 浙江飞碟汽车制造有限公司 | Automobile anti-collision beam |
| CN211969365U (en) * | 2020-04-10 | 2020-11-20 | 亚通汽车零部件(武汉)有限公司 | Anti-collision steel beam for automobile |
| KR20210029433A (en) * | 2019-09-06 | 2021-03-16 | 현대자동차주식회사 | variable type back beam and, method for varying of variable type back beam by the inflator at impact time |
-
2021
- 2021-04-13 CN CN202110395751.8A patent/CN112977312A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017083997A1 (en) * | 2015-11-16 | 2017-05-26 | 陈达兵 | Vehicle bumper comprising multiple damping and energy absorbing shields therein |
| CN109969112A (en) * | 2019-02-26 | 2019-07-05 | 浙江飞碟汽车制造有限公司 | A kind of automobile buffer beam |
| CN209955926U (en) * | 2019-02-26 | 2020-01-17 | 浙江飞碟汽车制造有限公司 | Automobile anti-collision beam |
| KR20210029433A (en) * | 2019-09-06 | 2021-03-16 | 현대자동차주식회사 | variable type back beam and, method for varying of variable type back beam by the inflator at impact time |
| CN211969365U (en) * | 2020-04-10 | 2020-11-20 | 亚通汽车零部件(武汉)有限公司 | Anti-collision steel beam for automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115626133A (en) * | 2022-11-01 | 2023-01-20 | 宁波吉威盛机械有限公司 | Front beam buffering connecting piece for new energy automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1197398B1 (en) | Impact energy absorption system for vehicles | |
| CN208774698U (en) | A kind of automobile safety anti-collision mechanism | |
| CN102205822B (en) | Energy-absorbing type car bumper | |
| CN1296228C (en) | Anticollision device for automobile | |
| CN108583487A (en) | A kind of new-energy automobile uses collision prevention girders | |
| CN110641405A (en) | Air pressure buffering automobile collision energy absorption device | |
| CN210437125U (en) | Novel two-stage type protective fence at tail of truck | |
| CN112977312A (en) | High strength car anticollision roof beam and car thereof | |
| CN206394590U (en) | A kind of automobile buffering device of vehicle energy absorption box and the application energy-absorption box | |
| CN208576520U (en) | A kind of new-energy automobile uses collision prevention girders | |
| CN202879407U (en) | Car bumper with X-shaped support frames | |
| CN207466571U (en) | Buffering anti-collision device | |
| CN109969112B (en) | Anti-collision beam for automobile | |
| CN211032479U (en) | Racing car bumper with buffer mechanism | |
| CN209955926U (en) | Automobile anti-collision beam | |
| CN210760623U (en) | High anti collision car of two roof beams | |
| CN111231874A (en) | Front anti-collision beam assembly applied to car | |
| CN106347264A (en) | Front anti-collision structure for four-wheeler | |
| CN202911686U (en) | Automobile collision avoidance beam structure | |
| CN110606036B (en) | High anti-collision automobile with double girders | |
| CN202219767U (en) | Energy-absorbing type automobile bumper | |
| CN201136499Y (en) | Cab body of rail vehicle | |
| CN206537116U (en) | A kind of side door beams with energy absorber | |
| CN203047122U (en) | Collision protection device for flat-fronted vehicle | |
| CN202163494U (en) | Automotive energy-absorbing beam structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240415 Address after: 241000 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Applicant after: CHERY AUTOMOBILE Co.,Ltd. Country or region after: China Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Applicant before: Chery Commercial Vehicles (Anhui) Co., Ltd. Country or region before: China |