CN211844336U - Rear anti-collision beam for automobile - Google Patents
Rear anti-collision beam for automobile Download PDFInfo
- Publication number
- CN211844336U CN211844336U CN202020233314.7U CN202020233314U CN211844336U CN 211844336 U CN211844336 U CN 211844336U CN 202020233314 U CN202020233314 U CN 202020233314U CN 211844336 U CN211844336 U CN 211844336U
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- CN
- China
- Prior art keywords
- anticollision
- collision
- crossbeam
- roof beam
- gasbag
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- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 claims description 16
- 239000000126 substance Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a back anticollision roof beam for car, erect roof beam and installation foot including anticollision crossbeam, anticollision, the equal vertical anticollision of installing of one end of installation foot is erected the roof beam, and the anticollision erects the equal vertical spout that is provided with in one side of roof beam inside, transversely install the anticollision crossbeam through being provided with the slider with spout matched with between the spout, and the inside front of anticollision crossbeam evenly is provided with first recess, the inside of first recess all is provided with the mounting groove, and the inside buffer block that runs through mounting groove one end that all is provided with of mounting groove, the anticollision is erected and is transversely installed the diaphragm to the one end of keeping away from the anticollision crossbeam between the roof beam, and the inside of diaphragm transversely is provided with first gasbag. The utility model discloses a set up first gasbag in diaphragm inside, when the collision is heavier, first gasbag can be damaged and make inside fire extinguishing material spout to the vehicle that knocks into the back, prevents to knock into the back the vehicle because of the automobile front portion damages seriously, causes the oil leak to fire and arouses the conflagration, causes bigger incident.
Description
Technical Field
The utility model relates to a car anticollision crossbeam technical field specifically is a back anticollision roof beam for car.
Background
With the development of society, automobiles are popularized in daily life, and the rear anti-collision cross beam and the mounting bracket of the automobile are used as buffer bodies for absorbing collision energy and play a vital role in automobile driving safety, wherein compared with a steel anti-collision cross beam, the rear anti-collision cross beam of the aluminum alloy can achieve the aim of light weight and can improve the energy absorption in the collision process, but the conventional rear anti-collision beam for the automobile has many problems or defects.
First, the crashproof energy-absorbing effect of traditional back anticollision roof beam for car is lower, the safety of passenger in the protection car that can not be fine.
Second, traditional back anticollision roof beam cost of maintenance is higher for the car, and back anticollision roof beam is integrated into one piece, when the collision caused local damage, need change whole back anticollision roof beam.
Third, traditional back anticollision roof beam does not have the structure of putting out a fire for the car, and when the collision was more serious, the rear truck bonnet damaged seriously, easily catches fire, causes bigger incident.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a back anticollision roof beam for car to the anticollision energy-absorbing effect that proposes among the solution above-mentioned background art is lower, cost of maintenance is higher and can not put out a fire the problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a back anticollision roof beam for car, includes that anticollision crossbeam, anticollision erect roof beam and installation foot, the equal vertical anticollision of installing of one end of installation foot erects the roof beam, and the anticollision erects the equal vertical spout that is provided with in one side of roof beam inside, transversely install the anticollision crossbeam through being provided with the slider with spout matched with between the spout, and the inside front of anticollision crossbeam evenly is provided with first recess, the inside of first recess all is provided with the mounting groove, and the inside buffer block that runs through mounting groove one end that all is provided with of mounting groove, the anticollision is erected the one end of keeping away from the anticollision crossbeam between the roof beam and is transversely installed the diaphragm, and the inside of diaphragm transversely is provided with first.
Preferably, the inside of spout all vertically is provided with the second gasbag, and the upper end that the second gasbag is close to diaphragm one side all communicates with first gasbag one side through the pipe.
Preferably, the fixed slot is all installed to the both sides at the anticollision crossbeam back, and the inside upper end of fixed slot all transversely installs the slide bar, the slide bar surface is close to the anticollision and erects one side of roof beam and all twines buffer spring, and buffer spring keeps away from the slide bar outside that the anticollision erects roof beam one end and all is provided with the movable block, the top of movable block one end all articulates there is the connecting rod, and the other end of connecting rod all articulates with diaphragm bottom one side.
Preferably, three cutters are installed at the upper end and the lower end of the back face of the anti-collision cross beam at equal intervals, and the cutters are symmetrically distributed on the central axis of the anti-collision cross beam.
Preferably, damping spring is evenly installed to the inside of mounting groove, and transversely installs the fly leaf between damping spring's the one end to the one end that the fly leaf is close to the buffer block all with the buffer block welding.
Preferably, the upper end and the lower end of the front surface of the anti-collision cross beam between the first grooves are provided with through holes, and the coverage area of the anti-collision cross beam is smaller than that of the transverse plate.
Preferably, the inside front of the anticollision crossbeam of first recess both sides all is provided with the second recess, and the shape of second recess is "protruding" shape, reset spring is all installed to the inside one end of keeping away from first recess of second recess, and reset spring one end all transversely installs the stopper that runs through first recess lateral wall to the stopper is close to reset spring one side and openly installs the pull rod that extends to the anticollision crossbeam outside, the inside positive both sides of mounting groove all are provided with the spacing groove with stopper matched with.
Compared with the prior art, the beneficial effects of the utility model are that: this back anticollision roof beam for car is rational in infrastructure, has following advantage:
(1) through set up damping spring and fly leaf inside the mounting groove, and crashproof crossbeam back both sides set up the fixed slot, when the car travel in-process is hit the tail, the vehicle front end that knocks into the back collides the buffer block earlier, buffer block self absorbs partly can of dashing, surplus dashes can the buffer block removal and drives the fly leaf removal and compress damping spring, elastic deformation through damping spring slows down again can of dashing, later surplus dashes can make the slider slide in the spout, and drive crashproof crossbeam steady movement, and then make the connecting rod take place to deflect, make the movable block slide and compress damping spring on the slide bar, realize further slowing down can of dashing, through secondary buffering energy-absorbing, make device crashproof ability better, be convenient for protect the passenger in the car.
(2) Through evenly setting up first recess in anticollision crossbeam is inside, and first recess both sides set up the second recess, when individuality buffer block damaged, through the pulling pull rod for the stopper slides and compress reset spring in second recess inside, and makes the stopper leave the spacing groove completely, later can take out the mounting groove from first recess, is convenient for change the mounting groove that has damaged, makes and need not directly change whole device after the collision, reduces cost of maintenance.
(3) Through inside the setting first gasbag at the diaphragm, and the inside second gasbag that sets up of spout, absorb these impulsive energy as the unable buffering of device, make the slider slide and compress the second gasbag in the spout, make the inside gas of second gasbag pass through in the pipe gets into first gasbag, realize the inside pressure increase of first gasbag, later crashproof crossbeam removes and drives the cutter and remove to the diaphragm direction, and puncture first gasbag and diaphragm, later the inside fire extinguishing substance of first gasbag is changeed the blowout because of the increase of first gasbag pressure, through-hole and crashproof crossbeam top, the bottom spouts to the vehicle that knocks into the back, it is serious to prevent to knock into the back the vehicle because of the automobile front portion damages, cause the oil leak to fire and arouse the conflagration, cause bigger incident.
Drawings
Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 3 is a schematic front view of the cross-sectional structure of the present invention;
fig. 4 is a schematic view of the top-view appearance structure of the present invention.
In the figure: 1. a buffer spring; 2. a slide bar; 3. a first air bag; 4. a transverse plate; 5. a connecting rod; 6. a movable block; 7. fixing grooves; 8. a chute; 9. a slider; 10. a cutter; 11. an anti-collision beam; 12. a damping spring; 13. a first groove; 14. mounting grooves; 15. a movable plate; 16. a buffer block; 17. a second air bag; 18. An anti-collision vertical beam; 19. mounting a foot; 20. a through hole; 21. a limiting block; 22. a limiting groove; 23. a pull rod; 24. A return spring; 25. a second groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a rear anti-collision beam for an automobile comprises an anti-collision cross beam 11, anti-collision vertical beams 18 and mounting feet 19, wherein the anti-collision vertical beams 18 are vertically mounted at one ends of the mounting feet 19, and sliding grooves 8 are vertically arranged on one sides of the interiors of the anti-collision vertical beams 18;
a second air bag 17 is vertically arranged inside each sliding chute 8, and the upper end of one side, close to the transverse plate 4, of each second air bag 17 is communicated with one side of the first air bag 3 through a guide pipe;
the sliding block 9 slides in the sliding groove 8 and compresses the second air bag 17, so that the gas in the second air bag 17 enters the first air bag 3 through the conduit, the pressure in the first air bag 3 is increased, and the fire extinguishing substance in the first air bag 3 is conveniently sprayed out;
an anti-collision beam 11 is transversely arranged between the sliding grooves 8 through a sliding block 9 matched with the sliding grooves 8, and first grooves 13 are uniformly formed in the front surface of the inner part of the anti-collision beam 11;
through holes 20 are formed in the upper end and the lower end of the front face of the anti-collision cross beam 11 between the first grooves 13, and the coverage area of the anti-collision cross beam 11 is smaller than that of the transverse plate 4;
the fire extinguishing substance in the first air bag 3 can be sprayed to the rear-end vehicle through the through hole 20 and the top end and the bottom end of the anti-collision beam 11, so that the fire extinguishing substance is prevented from being blocked by the anti-collision beam 11, and the fire extinguishing effect is improved;
the first grooves 13 are internally provided with mounting grooves 14;
the front surfaces of the interiors of the anti-collision beams 11 on the two sides of the first groove 13 are respectively provided with a second groove 25, the second grooves 25 are in a convex shape, one ends of the interiors of the second grooves 25, which are far away from the first groove 13, are respectively provided with a return spring 24, one ends of the return springs 24 are respectively transversely provided with a limiting block 21 which penetrates through the side wall of the first groove 13, one side of the limiting block 21, which is close to the return spring 24, is respectively provided with a pull rod 23 extending to the exterior of the anti-collision beam 11, and the two sides of the front surface of the interior of the mounting groove 14 are respectively provided;
by pulling the pull rod 23, the limiting block 21 slides in the second groove 25 and compresses the return spring 24, the limiting block 21 completely leaves the limiting groove 22, and then the mounting groove 14 can be taken out of the first groove 13, so that the damaged mounting groove 14 is convenient to replace, the whole device does not need to be directly replaced after collision, and the maintenance cost is reduced;
a buffer block 16 penetrating one end of the mounting groove 14 is arranged in each mounting groove 14;
damping springs 12 are uniformly arranged in the mounting groove 14, a movable plate 15 is transversely arranged between one ends of the damping springs 12, and one ends of the movable plates 15, which are close to the buffer block 16, are welded with the buffer block 16;
the buffer block 16 absorbs a part of the impact energy, the residual impact energy buffer block 16 moves to drive the movable plate 15 to move and compress the damping spring 12, and the impact energy is relieved again through the elastic deformation of the damping spring 12, so that the device can absorb energy better and reduce the damage caused by collision;
fixing grooves 7 are respectively installed on two sides of the back surface of the anti-collision cross beam 11, sliding rods 2 are respectively transversely installed at the upper ends of the inner parts of the fixing grooves 7, buffer springs 1 are respectively wound on one sides, close to anti-collision vertical beams 18, of the surfaces of the sliding rods 2, movable blocks 6 are respectively arranged on the outer sides, far away from the anti-collision vertical beams 18, of the buffer springs 1, movable blocks 6 are respectively arranged on the outer sides of the sliding rods 2, the top ends of one ends of the movable blocks 6 are respectively hinged with a connecting rod 5;
the anti-collision beam 11 moves to enable the connecting rod 5 to deflect, so that the movable block 6 slides on the sliding rod 2 and compresses the buffer spring 1, the impact energy is further reduced, the anti-collision performance of the device is improved, and passengers in an automobile are protected conveniently;
the upper end and the lower end of the back of the anti-collision beam 11 are provided with three cutters 10 at equal intervals, and the cutters 10 are symmetrically distributed about the central axis of the anti-collision beam 11;
by arranging the cutter 10, the first air bag 3 and the transverse plate 4 are easier to puncture, and the fire extinguishing substances are easier to spray;
a transverse plate 4 is transversely installed at one end, far away from the anti-collision cross beam 11, between the anti-collision vertical beams 18, and a first air bag 3 is transversely arranged inside the transverse plate 4.
The working principle is as follows: when the device is used, the device is installed on the rear part of an automobile through the installation foot 19, when the automobile is rear-ended in the running process, the front end of the rear-ended automobile collides with the buffer block 16 firstly, the buffer block 16 absorbs part of impact energy, the residual impact energy buffer block 16 moves to drive the movable plate 15 to move and compress the damping spring 12, the impact energy is relieved again through the elastic deformation of the damping spring 12, then the residual impact energy enables the sliding block 9 to slide in the sliding groove 8 and drive the anti-collision beam 11 to stably move, so that the connecting rod 5 deflects, the movable block 6 slides on the sliding rod 2 and compresses the damping spring 1, the impact energy is further relieved, the anti-collision performance of the device is better through secondary buffering and energy absorption, and passengers in the automobile are protected conveniently;
when the collision is light and the individual buffer block 16 is damaged, the pull rod 23 is pulled, so that the limit block 21 slides in the second groove 25 and compresses the return spring 24, the limit block 21 completely leaves the limit groove 22, and then the mounting groove 14 can be taken out of the first groove 13, the damaged mounting groove 14 is convenient to replace, the whole device does not need to be directly replaced after the collision, and the maintenance cost is reduced;
when the collision is heavier, the unable buffering of device absorbs these impulsive energy, make slider 9 slide and compress second gasbag 17 in spout 8, make the inside gas of second gasbag 17 pass through in the pipe gets into first gasbag 3, realize the inside pressure increase of first gasbag 3, later crashproof crossbeam 11 removes and drives cutter 10 and remove to diaphragm 4 direction, and puncture first gasbag 3 and diaphragm 4, later the inside fire extinguishing substance of first gasbag 3 is changeed the blowout because of the increase of first gasbag 3 pressure, through-hole 20 and crashproof crossbeam 11 top, the bottom spouts to the vehicle that knocks into the back, it is serious to prevent the vehicle that knocks into the back because of the automobile front portion damages, cause the oil leak to fire and arouse the conflagration, cause bigger incident.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a rear anti-collision beam for car, includes crashproof crossbeam (11), crashproof vertical beam (18) and installation foot (19), its characterized in that: the utility model discloses a roof beam structure, including installation foot (19), roof beam (18) are erected in the equal vertical anticollision of installing in one end of installation foot (19), and the anticollision erect roof beam (18) inside one side and all vertically be provided with spout (8), transversely install crashproof crossbeam (11) through being provided with between spout (8) with spout (8) matched with slider (9), and the front of crashproof crossbeam (11) inside evenly is provided with first recess (13), the inside of first recess (13) all is provided with mounting groove (14), and inside buffer block (16) that all are provided with the one end of running through mounting groove (14) one end of mounting groove (14), diaphragm (4) are transversely installed to the one end of keeping away from crashproof crossbeam (11) between crashproof perpendicular roof beam (18), and the inside of diaphragm (4) transversely is provided with first gasbag.
2. A rear impact beam for automobiles, according to claim 1, characterized in that: the inside of spout (8) all vertically is provided with second gasbag (17), and second gasbag (17) are close to the upper end of diaphragm (4) one side and all communicate through pipe and first gasbag (3) one side.
3. A rear impact beam for automobiles, according to claim 1, characterized in that: fixed slot (7) are all installed to the both sides at the anticollision crossbeam (11) back, and all transversely install slide bar (2) in the upper end of fixed slot (7) inside, slide bar (2) surface is close to one side that the anticollision erects roof beam (18) and all twines buffer spring (1), and buffer spring (1) keeps away from the slide bar (2) outside that the anticollision erects roof beam (18) one end and all is provided with movable block (6), the top of movable block (6) one end all articulates there is connecting rod (5), and the other end of connecting rod (5) all articulates with diaphragm (4) bottom one side.
4. A rear impact beam for automobiles, according to claim 1, characterized in that: three cutters (10) are installed to the upper end on anticollision crossbeam (11) back and the equipartition interval of lower extreme, and cutters (10) are about anticollision crossbeam (11) axis symmetric distribution.
5. A rear impact beam for automobiles, according to claim 1, characterized in that: damping spring (12) are evenly installed to the inside of mounting groove (14), and transversely install between the one end of damping spring (12) fly leaf (15), and fly leaf (15) are close to the one end of buffer block (16) and all weld with buffer block (16).
6. A rear impact beam for automobiles, according to claim 1, characterized in that: the anti-collision cross beam is characterized in that through holes (20) are formed in the upper end and the lower end of the front face of the anti-collision cross beam (11) between the first grooves (13), and the coverage area of the anti-collision cross beam (11) is smaller than that of the transverse plate (4).
7. A rear impact beam for automobiles, according to claim 1, characterized in that: the anti-collision beam is characterized in that a second groove (25) is arranged in the front of the inner portion of the anti-collision beam (11) on the two sides of the first groove (13), the shape of the second groove (25) is convex, a reset spring (24) is arranged at the end, far away from the first groove (13), of the inner portion of the second groove (25), a limiting block (21) which penetrates through the side wall of the first groove (13) is transversely arranged at one end of the reset spring (24), a pull rod (23) which extends to the outer portion of the anti-collision beam (11) is arranged on the side, close to one side of the reset spring (24), of the limiting block (21) in the front of the inner portion of the mounting groove (14), and limiting grooves (22) matched with the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020233314.7U CN211844336U (en) | 2020-03-02 | 2020-03-02 | Rear anti-collision beam for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020233314.7U CN211844336U (en) | 2020-03-02 | 2020-03-02 | Rear anti-collision beam for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211844336U true CN211844336U (en) | 2020-11-03 |
Family
ID=73237165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020233314.7U Expired - Fee Related CN211844336U (en) | 2020-03-02 | 2020-03-02 | Rear anti-collision beam for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211844336U (en) |
-
2020
- 2020-03-02 CN CN202020233314.7U patent/CN211844336U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |