CN113734083A - Automobile anti-collision beam - Google Patents
Automobile anti-collision beam Download PDFInfo
- Publication number
- CN113734083A CN113734083A CN202111178386.1A CN202111178386A CN113734083A CN 113734083 A CN113734083 A CN 113734083A CN 202111178386 A CN202111178386 A CN 202111178386A CN 113734083 A CN113734083 A CN 113734083A
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- CN
- China
- Prior art keywords
- air chamber
- buffer
- rigid
- collision
- air
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000003139 buffering effect Effects 0.000 claims description 11
- 210000003437 trachea Anatomy 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000010513 Stupor Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001556 precipitation Methods 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
- 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
-
- 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
Abstract
The invention relates to an automobile anti-collision beam arranged at the head or the tail of a vehicle, in particular to an anti-collision beam which adopts a rigid buffer box and can increase the braking force of the vehicle, comprising a cross beam, wherein the cross beam is a hollow thin-wall square tube with two sealed ends, the interior of the cross beam is filled with non-Newtonian fluid in a sealing manner, the front end of the cross beam is provided with a buffer air chamber, the buffer air chamber is internally provided with air with normal pressure, the cross beam and the buffer air chamber are made of thin metal or plastic materials, the rigid buffer box is provided with an air outlet and an air plug, the air outlet is connected with the air plug by threads, the preset force is set by the number of turns of connecting threads, the buffer air chamber also comprises an air pipe, one end of the air pipe is connected with the buffer air chamber, the other end of the air pipe is connected with a braking system, the compressed air generated after the buffer air chamber is used for braking, and the problem of braking failure caused by the error of a driver or the fault of an automatic control system is solved without the assistance of other devices, the safety factor is effectively improved.
Description
Technical Field
The invention relates to an automobile anti-collision beam, in particular to an anti-collision beam which adopts a rigid buffer box and can increase the braking force of an automobile.
Background
With the continuous progress of society, people can not drive automobiles more and more in work and life. It follows that traffic accidents are more and more, and although advanced technologies such as constant-speed cruising, adaptive cruising, automatic driving and the like are gradually equipped to vehicles, from the technical aspect, the impact caused by equipment failure is still unavoidable, and the collision accident of a common vehicle is more difficult to avoid, so that the reduction of personnel and vehicle loss caused by the automobile collision accident is particularly important.
The anti-collision beam is a device for reducing the impact energy absorbed when a vehicle is collided, in particular to an anti-collision beam in encyclopedia or 360 encyclopedia, the anti-collision beam for the vehicle in the prior art is composed of a main beam, an energy absorption box and a mounting plate connected with the vehicle, and the main beam and the energy absorption box can effectively absorb the impact energy when the vehicle is collided at a low speed, so that the damage of the impact force to a longitudinal beam of the vehicle body is reduced as much as possible, and the anti-collision beam plays a role in protecting the vehicle.
The main beam of the anti-collision beam in the prior art has high rigidity and strength, and can provide a great counterforce to a collided object during collision; the energy absorption box of the anti-collision beam in the prior art is arranged between the main beam and the frame, and the energy absorption box can deform under the action of relatively large collision force; therefore, the automobile anti-collision beam in the prior art can deform only when being subjected to large impact force, and the life and property loss of a collided object cannot be effectively protected.
The vehicle is often a driver error or an automatic control system failure in the event of a collision, in which the vehicle loses braking force and the inertia of the vehicle makes the impact force greater.
According to the current situation of the prior art, the problem that no matter the magnitude of the collision force, the collision beam can rapidly generate mechanical deformation to absorb energy needs to be solved; and solve the problem of braking at the moment of vehicle collision.
Disclosure of Invention
The invention aims to: the invention aims to solve the problems that the automobile anti-collision beam in the prior art can deform to absorb collision energy only when being subjected to a large collision force and cannot effectively protect a collided object. The purpose of effectively protecting the automobile and the impacted object is achieved, and the practicability is high.
The invention is realized by the following technical scheme: an automobile anti-collision beam comprises a cross beam, wherein the automobile anti-collision beam is arranged at the head or tail of a vehicle, the cross beam is a hollow thin-wall square tube with two sealed ends, the inside of the cross beam is filled with non-Newtonian fluid in a sealing manner, the front end of the cross beam is provided with a buffer air chamber, and air at normal pressure is contained in the buffer air chamber;
the buffer air chamber comprises a rigid buffer box, an exhaust plug, an exhaust port, a rigid corrugated box body and a strike face;
the beam is connected with one side of the rigid buffer box, a plurality of exhaust ports are arranged on the upper side edge of the rigid buffer box, the other side of the rigid buffer box is connected with one side of the rigid corrugated box body, and the other side of the rigid corrugated box body is connected with the impact surface;
the exhaust port is provided with an exhaust plug;
the exhaust port is connected with the exhaust plug through threads, and a preset force is set through the number of turns of the connecting threads;
when the automobile receives the collision, the impact face of buffering air chamber receives the striking, and the impact that the impact face will receive transmits for the rigidity ripple box, produces extrusion deformation and buffering air chamber internal pressure after the rigidity ripple box atress and progressively increases, and when atmospheric pressure was greater than the power of predetermineeing, the air in the buffering air chamber was popped out behind the exhaust plug impact top, and the air is discharged from the gas vent.
The cross beam and the buffering air chamber are made of thin metal or plastic materials.
The utility model provides a more preferred car anticollision roof beam, buffer air chamber still include the trachea, tracheal one end is connected with buffer air chamber, the tracheal other end is connected with pressure sensor, when the car received the collision, vehicle control system received pressure sensor and detected tracheal pressure increase signal, vehicle control system sent braking signal, braking system fast braking.
The number of the turns of the connecting threads between the plurality of exhaust ports and the exhaust plug is different.
In a more preferable automobile anti-collision beam, the non-Newtonian fluid hermetically filled in the inner part of the cross beam is encapsulated in a small volume, and then the non-Newtonian fluid hermetically filled in the small volume is encapsulated in the inner part of the cross beam.
The beneficial technical effects obtained by the invention are as follows:
firstly, the non-Newtonian fluid is hermetically filled in the beam of the automobile anti-collision beam, so that the characteristics of the non-Newtonian fluid are fully exerted, when the impact force is small, the beam made of the thin plate is easy to bend and deform, part of the impact force is dispersed and absorbed in the deformation process, and the automobile and the collided object are effectively protected; when the impact force is large, the beam made of the thin plate improves the rigidity strength of the beam due to the acting force generated by the non-Newtonian fluid in the beam, the beam generates bending deformation, but the beam made of the thin plate cannot excessively deform and lose efficacy, the beam disperses and absorbs part of the impact force in the deformation process, the vehicle and the collided object are effectively protected, and secondly, the rigid buffer air chamber made of the thin plate is easy to generate compression deformation when being collided, so that the impact energy can be absorbed no matter the impact force;
thirdly, the rigid buffer box is provided with an exhaust port and an exhaust plug, the exhaust port is in threaded connection with the exhaust plug, preset force is set through the number of turns of connecting threads, a small number of exhaust plugs are guaranteed to be bounced off under small impact force, more exhaust plugs are bounced off under large impact force, and the stress and the buffering are controlled by controlling the quantity, the flow and other parameters of the exhaust ports;
fourthly, the compressed gas generated after the buffer air chamber is impacted is utilized to trigger braking, the problem that automatic failure is caused by driver error or automatic control system faults is solved on the premise that the assistance of other equipment is not needed, and the safety factor is effectively improved.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a schematic diagram of the deformation of the invention after frontal impact.
Fig. 3 is a schematic diagram of the deformation of the invention after partial impact.
Fig. 4 is a schematic view of the present invention mounted to the front and rear of a truck.
In the figure: 1. the damping device comprises a beam, 2 parts of a rigid buffer tank, 3 parts of an exhaust plug, 4 parts of an exhaust port, 5 parts of a rigid corrugated box body, 6 parts of a head-on surface, 7 parts of non-Newtonian fluid, 8 parts of an air pipe, 9 parts of a braking system and A parts of a buffer air chamber.
Detailed Description
The present invention is further illustrated by the following examples, but the scope of the invention is not limited to the examples.
Example 1: the automobile anti-collision beam shown in fig. 1 to 4 comprises a cross beam 1, wherein the automobile anti-collision beam is installed at the head or tail of an automobile, the cross beam 1 is a hollow thin-wall square tube with two sealed ends, non-Newtonian fluid 7 is filled in the cross beam 1 in a sealed mode, a buffer air chamber A is installed at the front end of the cross beam 1, and air with normal pressure is filled in the buffer air chamber A; the buffer air chamber A comprises a rigid buffer box 2, an exhaust plug 3, an exhaust port 4, a rigid corrugated box body 5 and a strike-on surface 6; the beam 1 is connected with one side of a rigid buffer box 2, a plurality of exhaust ports 4 are formed in the upper side edge of the rigid buffer box 2, the other side of the rigid buffer box 2 is connected with one side of a rigid corrugated box body 5, and the other side of the rigid corrugated box body 5 is connected with a striking surface 6; the exhaust port 4 is provided with an exhaust plug 3; the exhaust port 4 is in threaded connection with the exhaust plug 3, and a preset force is set through the number of turns of the connecting threads; in order to consider the buffering capacity and the rigidity strength of the anti-collision beam, the designed automobile anti-collision beam is further improved, and the cross beam 1 and the buffering air chamber A are made of thin metal or plastic materials; in the experiment, in order to prevent the non-Newtonian fluid 7 from being out of order due to precipitation after long-term standing, the non-Newtonian fluid 7 which is hermetically filled in the inner part of the cross beam 1 is improved, the non-Newtonian fluid 7 is firstly packaged in a small volume, and then the non-Newtonian fluid 7 which is packaged in the small volume is hermetically filled in the inner part of the cross beam 1. The non-Newtonian fluid 7 is hermetically filled in the beam 1 of the automobile anti-collision beam, so that the characteristics of the non-Newtonian fluid 7 are fully exerted, when the impact force is small, the beam made of the thin plate is easy to bend and deform, part of the impact force is dispersed and absorbed in the deformation process, and the automobile and the collided object are effectively protected; when the impact force is large, the rigidity strength of the cross beam 1 is improved due to the acting force generated by the non-Newtonian fluid 7 in the cross beam made of the thin plate, the cross beam 1 generates bending deformation, but the cross beam 1 made of the thin plate cannot excessively deform and lose efficacy, part of the impact force is dispersed and absorbed by the cross beam 1 in the deformation process, the vehicle and the collided object are effectively protected, and the rigid buffer air chamber A made of the thin plate is easy to generate compression deformation in the collision process, so that the collision energy can be absorbed no matter the size of the impact force.
In order to further improve the anti-collision reliability, the number of turns of connecting threads between the plurality of exhaust ports and the exhaust plug is different; set up gas vent 4 and core vent 3 on the rigid buffer case 2, adopt threaded connection between gas vent 4 and the core vent 3, set up the default through the number of turns of connecting thread, bounce off a small amount of core vent 3 when guaranteeing little impact, bounce off more core vents 3 when big impact, through what, the flow isoparametric of control gas vent, control atress size, control buffering. Due to the plurality of exhaust ports 4, one or more exhaust ports 4 without the exhaust plug 3 may be provided; other gas vents 4 and vent plugs 3 set up to round screw thread, two circles of screw threads, three circles of screw threads, four circles of screw threads respectively, and when the atress of round screw thread set up to P, the power of predetermineeing of two circles of screw threads was 2P promptly, analogizes with this. When an automobile is collided, the impact surface 6 of the buffer air chamber A is impacted, the impact force is transmitted to the rigid corrugated box body 2 by the impact surface 6, the rigid corrugated box body 2 is squeezed and deformed after being stressed, the internal pressure of the buffer air chamber A is gradually increased, and when the internal pressure of the buffer air chamber A does not reach the preset force P, the air in the buffer air chamber A is discharged from the exhaust hole 4 without the exhaust plug 3; when the internal pressure of the buffer air chamber A reaches a preset force P, the air in the buffer air chamber A pushes the exhaust plug 3 with one circle of threads to eject, and the air is exhausted from the exhaust hole 4 without the exhaust plug 3 and the exhaust hole 4 with one circle of threads; in the same way, when the air pressure in the buffer air chamber A reaches the preset force 2P after the impact, the air in the buffer air chamber A pushes the exhaust plug 3 with two circles of threads to be ejected, the air is discharged from the exhaust hole 4 without the exhaust plug 3, the exhaust hole 4 with one circle of threads and the exhaust hole 4 with two circles of threads, and the like.
In order to further improve the reliability of collision avoidance and prevent a driver from stupor or not stepping on the brake in other situations in the process of vehicle collision, the invention providesIs provided withThe automatic automobile braking system in the prior art is further researched; buffer air chamber A still include trachea 8, the one end and the buffer air chamber A of trachea 8 are connected, trachea 8's the other end and pressure sensor are connected, when the car received the collision, vehicle control system received pressure sensor and detected the signal that trachea 8's pressure increases, vehicle control system sends braking signal, car automatic braking system 9 brakes fast. The invention utilizes the compressed gas generated after the buffer air chamber A is impacted to trigger braking, and solves the problem without the assistance of other equipmentThe problem of brake failure caused by driver error or automatic control system fault is solved, and the safety factor is effectively improved.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited thereto, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. The utility model provides an automobile anti-collision beam, includes constitutions such as crossbeam (1), and automobile anti-collision beam installs the position at vehicle head or afterbody, characterized by:
the cross beam (1) is a hollow thin-wall square tube with two sealed ends, the interior of the cross beam (1) is hermetically filled with non-Newtonian fluid (7), the front end of the cross beam (1) is provided with a buffer air chamber (A), and air at normal pressure is filled in the buffer air chamber (A);
the buffer air chamber (A) comprises a rigid buffer box (2), an exhaust plug (3), an exhaust port (4), a rigid corrugated box body (5) and a strike face (6);
the beam (1) is connected with one side of the rigid buffer box (2), a plurality of exhaust ports (4) are formed in the upper side of the rigid buffer box (2), the other side of the rigid buffer box (2) is connected with one side of the rigid corrugated box body (5), and the other side of the rigid corrugated box body (5) is connected with the impact surface (6);
an exhaust plug (3) is arranged on the exhaust port (4);
the exhaust port (4) is in threaded connection with the exhaust plug (3), and a preset force is set through the number of turns of the connecting thread;
when the automobile receives the collision, the impact face (6) of the buffering air chamber (A) receives the collision, the impact force that the impact face (6) will receive is transmitted to the rigid corrugated box body (5), the rigid corrugated box body (5) generates extrusion deformation after being stressed and the internal pressure of the buffering air chamber (A) is gradually increased, when the air pressure is greater than the preset force, the air in the buffering air chamber (A) is ejected out after the exhaust plug (3) is ejected, and the air is discharged from the exhaust port (4).
2. An automobile impact beam as defined in claim 1, wherein: the beam (1) and the buffer air chamber (A) are made of thin metal or plastic materials.
3. An automobile impact beam as defined in claim 1, wherein: buffer air chamber (A) still include trachea 8, the one end and the buffer air chamber (A) of trachea (8) are connected, the other end and the pressure sensor of trachea (8) are connected, when the car received the collision, vehicle control system received pressure sensor and detected the signal that trachea (8) pressure increases, vehicle control system sends braking signal, braking system (9) quick braking.
4. An impact beam for vehicles, as claimed in claims 1, 2 and 3, wherein: the number of turns of the connecting threads between the exhaust ports (4) and the exhaust plug (3) is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111178386.1A CN113734083A (en) | 2021-10-09 | 2021-10-09 | Automobile anti-collision beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111178386.1A CN113734083A (en) | 2021-10-09 | 2021-10-09 | Automobile anti-collision beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113734083A true CN113734083A (en) | 2021-12-03 |
Family
ID=78726291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111178386.1A Pending CN113734083A (en) | 2021-10-09 | 2021-10-09 | Automobile anti-collision beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113734083A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6110134A (en) * | 1984-06-13 | 1986-01-17 | エナジー アブソープシヨン システムス インコーポレーテツド | Energy absorption air shock cushion |
| CN110316125A (en) * | 2019-06-26 | 2019-10-11 | 江苏卡威汽车工业集团股份有限公司 | A kind of bumper of mis-collision preventing and resistance to temporary impact |
| CN209870306U (en) * | 2019-04-24 | 2019-12-31 | 陕西工业职业技术学院 | Rear-end collision prevention buffer protection device of automobile |
| CN110758302A (en) * | 2019-10-31 | 2020-02-07 | 北京三快在线科技有限公司 | Bumper |
| CN213768463U (en) * | 2020-11-27 | 2021-07-23 | 北京三快在线科技有限公司 | Anticollision roof beam, bumper anticollision roof beam assembly and vehicle |
-
2021
- 2021-10-09 CN CN202111178386.1A patent/CN113734083A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6110134A (en) * | 1984-06-13 | 1986-01-17 | エナジー アブソープシヨン システムス インコーポレーテツド | Energy absorption air shock cushion |
| CN209870306U (en) * | 2019-04-24 | 2019-12-31 | 陕西工业职业技术学院 | Rear-end collision prevention buffer protection device of automobile |
| CN110316125A (en) * | 2019-06-26 | 2019-10-11 | 江苏卡威汽车工业集团股份有限公司 | A kind of bumper of mis-collision preventing and resistance to temporary impact |
| CN110758302A (en) * | 2019-10-31 | 2020-02-07 | 北京三快在线科技有限公司 | Bumper |
| CN213768463U (en) * | 2020-11-27 | 2021-07-23 | 北京三快在线科技有限公司 | Anticollision roof beam, bumper anticollision roof beam assembly and vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211203 |