CN108909662A - Bumper - Google Patents
Bumper Download PDFInfo
- Publication number
- CN108909662A CN108909662A CN201810516802.6A CN201810516802A CN108909662A CN 108909662 A CN108909662 A CN 108909662A CN 201810516802 A CN201810516802 A CN 201810516802A CN 108909662 A CN108909662 A CN 108909662A
- Authority
- CN
- China
- Prior art keywords
- piston cylinder
- gas
- bumper
- air motor
- cavity
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention provides a kind of bumper, including collision prevention girders, fixed frame and energy conversion device；Collision prevention girders include the first Crashworthy plate, the second Crashworthy plate and flexible connector, and the first Crashworthy plate and the second Crashworthy plate are connected by flexible connector, cavity are equipped in collision prevention girders, cavity volume can be increased or be reduced by the deformation of flexible connector；Energy conversion device includes first piston cylinder, piston rod and air motor, first piston cylinder one end is fixedly connected with the second Crashworthy plate, the first piston cylinder other end is slidably connected with piston rod, first piston cylinder is connected to cavity, piston rod is connect far from one end of first piston cylinder with fixed frame, cavity is communicated with multiple stomatas, and stomata is connected to air motor, and air motor is in communication with the outside.The present invention is cooperated by cylinder and air motor, and impact force is converted, bounce can be reduced, and avoids the secondary injury to pedestrian injury and vehicle, and impact force avoids the excessive damage of local pressure by each component dispersion abatement.
Description
Technical field
The present invention relates to a kind of bumpers, specifically, being to be related to bumper.
Background technique
With the rapid development of society, automobile has been the important component of communications and transportation in today of modernization, but
Automobile has also brought many security risks, and traffic accident occurs repeatedly, and car crass is even more that not can avoid.
Currently, rely primarily on bumper when car crass to impact resistance, but traditional technology to the security consideration of pedestrian compared with
Less, larger to the bounce of crash direction when collision, it is easy to damage pedestrian and vehicle；And traditional vehicle bumper is outer
Shape can not be changed, and for the parking environment narrow for parking stall, bumper is easy scratch, and parking is inconvenient.
Summary of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned traditional technology, provides and a kind of impact force is converted and changed
The bumper of bounce.
The purpose of the present invention is what is reached by following technical measures：
Bumper, including collision prevention girders and fixed frame, it is characterised in that：It further include energy conversion device；
Collision prevention girders include the first Crashworthy plate, the second Crashworthy plate and flexible connector, and the first Crashworthy plate and the second Crashworthy plate are logical
Flexible connector connection is crossed, is equipped with cavity in collision prevention girders, cavity volume can be increased or be reduced by the deformation of flexible connector；
Energy conversion device includes first piston cylinder, piston rod and air motor, first piston cylinder one end and the second anticollision
Plate is fixedly connected, and the first piston cylinder other end is slidably connected with piston rod, and first piston cylinder is connected to cavity, and piston rod is far from
One end of one piston cylinder is connect with fixed frame, and air motor is fixedly connected with fixed frame, and cavity is communicated with multiple stomatas, stomata with
Air motor connection, air motor are in communication with the outside.
A kind of specific prioritization scheme, stomata are located at first piston cylinder top or lower part.
A kind of specific prioritization scheme, stomata is set on the second Crashworthy plate or stomata is set to first piston cylinder close to
One end of two Crashworthy plates.
A kind of specific prioritization scheme, energy conversion device further include second piston cylinder, and second piston cylinder is fixed with fixed frame
Connection, the one end of piston rod far from first piston cylinder is slidably connected with second piston cylinder.
A kind of specific prioritization scheme, fixed frame include stringer board and transverse slat, and the quantity of stringer board is two, and the quantity of transverse slat is two
A, one of transverse slat is located at stringer board front, another transverse slat is located at stringer board rear portion；
Spring is equipped between first piston cylinder and adjacent transverse slat.
A kind of specific prioritization scheme, fixed frame further include intermediate plate, and the quantity of intermediate plate is two, two intermediate plate difference
Positioned at second piston cylinder two sides, piston rod is equipped with baffle, and spring is equipped between baffle and intermediate plate.
A kind of specific prioritization scheme, air motor include air inlet and air outlet, and air inlet is connected to stomata, gas outlet with
External world's connection.
A kind of specific prioritization scheme further includes control device, and air inlet is equipped with air intake control valve, and gas outlet is equipped with gas control
Valve processed, control device are electrically connected with air intake control valve, leaving air control valve and air motor respectively.
A kind of specific prioritization scheme further includes gas operated device, and gas operated device includes aeroscopic plate, and aeroscopic plate bending setting is led
Gas plate one end is fixedly connected with fixed frame, and aeroscopic plate is lower than the other end far from an end position of fixed frame；
The quantity of aeroscopic plate is two, and two aeroscopic plates are setting up and down, and gas outlet is located between two aeroscopic plates.
A kind of specific prioritization scheme, the application method of bumper, which is characterized in that include the following steps：
A：Anticollision mode, when the collision prevention girders with cavity are by hitting, gas is compressed by the reduction of collision prevention girders volume,
Gas after pressure becomes larger is entered in air motor by stomata, pressure and internal gas pressure of the air motor due to ambient atmos
Compressed gas is discharged for strong production variation, work, so that the two pressure be made to stablize；
B：Modes of inflation, driving air motor extracts ambient atmos and gas is sent into the collision prevention girders with cavity, makes to prevent
Hit the increase of beam volume；
C：Air bleeding mode, driving air motor extract gas in the collision prevention girders with cavity and gas are emitted into the external world,
Reduce collision prevention girders volume.
By adopting the above-described technical solution, compared with prior art, it is an advantage of the invention that：
1, by cylinder and air motor cooperation, impact force is converted, bounce can be reduced, avoid to pedestrian injury and
The secondary injury of vehicle；
2, impact force avoids the excessive damage of local pressure by each component dispersion abatement.
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of bumper of the present invention.
Attached drawing 2 is the distributed architecture schematic diagram of automobile first piston cylinder and stomata of the present invention.
Attached drawing 3 is the connection relationship diagram of first piston cylinder and piston rod of the present invention.
Attached drawing 4 is the partial structural diagram of collision prevention girders of the present invention.
Attached drawing 5 is the distributed architecture schematic diagram of air motor of the present invention.
Attached drawing 6 is the cross-sectional view of gas operated device of the present invention.
Specific embodiment
Embodiment 1：As shown in figures 1-6, bumper, including collision prevention girders 1, fixed frame 3, energy conversion device 2.
The quantity of collision prevention girders 1 is two, and one of collision prevention girders 1 are located at the front side of fixed frame 3, another collision prevention girders 1
In 3 rear side of fixed frame.
Collision prevention girders 1 include the first Crashworthy plate 11, the second Crashworthy plate 12 and flexible connector 13.
First Crashworthy plate 11 and the second Crashworthy plate 12 are tightly connected by flexible connector 13；Cavity is equipped in collision prevention girders 1,
Cavity is surrounded by the first Crashworthy plate 11, the second Crashworthy plate 12 and flexible connector 13.
Cavity volume is variable.Flexible connector 13 is extending or shortens.Cavity volume can pass through the shape of flexible connector 13
Become and increases or reduce.
First Crashworthy plate 11 is located at the second side of the Crashworthy plate 12 far from fixed frame 3.
Energy conversion device 2 includes first piston cylinder 21, piston rod 22, air motor 23, second piston cylinder 24.
21 one end of first piston cylinder is fixedly connected with the second Crashworthy plate 12, and 21 other end of first piston cylinder and piston rod 22 are sliding
Dynamic connection, first piston cylinder 21 are connected to cavity.
The one end of piston rod 22 far from first piston cylinder 21 is connect with fixed frame 3.
Air motor 23 is fixedly connected with fixed frame 3.
Second Crashworthy plate 12 is equipped with multiple stomatas 25, and stomata 25 is connected to air motor 23, and stomata 25 is connected to cavity.
Stomata 25 is located at 21 top of first piston cylinder or lower part.In addition, stomata 25 can also be set to first piston cylinder 21 close to second
One end of Crashworthy plate 12.
The quantity of second piston cylinder 24 is four on each second Crashworthy plate 12, stomata 25 on each second Crashworthy plate 12
Quantity is eight, and each 24 upper and lower part of second piston cylinder is respectively equipped with a stomata 25.
The quantity of air motor 23 is four, and four air motors 23 are distributed in 3 two sides of fixed frame two-by-two.
In use, cavity volume reduces when by hitting, air pressure is increased in cavity, and gas enters gas by stomata 25
Gas is quickly discharged for dynamic motor 23, air motor 23.In addition, can actively be extracted by air motor 23 when needing to stop
Empty intracavity gas is emitted into the external world, to reduce 1 volume of collision prevention girders, avoids vulgar collision；It, can be by pneumatic or when running at high speed
Motor 23 actively extracts outside air and enters in cavity, with pre- anticollision.
The one end of piston rod 22 far from first piston cylinder 21 is slidably connected with second piston cylinder 24.
Second piston cylinder 24 is fixedly connected with fixed frame 3.Second piston cylinder 24 is located at 3 middle part of fixed frame.
The quantity of fixed frame 3 is one, and fixed frame 3 is fixedly connected with automobile chassis.
Fixed frame 3 includes stringer board 31, transverse slat 32, intermediate plate 33.
The quantity of stringer board 31 is two, and the quantity of transverse slat 32 is two, and one of transverse slat 32 is located at 31 front of stringer board, separately
An outer transverse slat 32 is located at 31 rear portion of stringer board.Stringer board 31 and transverse slat 32 surround a rectangle.
Intermediate plate 33 is located between two stringer boards 31 and is located at 31 middle part of stringer board.
The quantity of intermediate plate 33 is two, and two intermediate plates 33 are located at 24 two sides of second piston cylinder, on piston rod 22
Equipped with baffle 34, spring is equipped between baffle 34 and intermediate plate 33.
Spring is equipped between first piston cylinder 21 and adjacent transverse slat 32.
Ribs 35 is equipped between adjacent stringer board 31 and transverse slat 32.
Air motor 23 includes air inlet and air outlet, and air inlet is connected to stomata 25, and gas outlet is in communication with the outside.
It further include control device, air inlet is equipped with air intake control valve, and gas outlet is equipped with leaving air control valve, control device difference
It is electrically connected with air intake control valve, leaving air control valve and air motor 23.Control device can be using skill known in cpu, industrial personal computer etc.
Art controls the starting and closing of air intake control valve, leaving air control valve, air motor 23, and this will not be repeated here.
Gas outlet is externally provided with gas operated device 4, and gas can be oriented to automobile side by gas operated device 4.Gas outlet, which is externally provided with, to block water
Pipe, the pipe that blocks water bending setting, group water pipe lower part is equipped with leakage hole.
Gas operated device 4 includes aeroscopic plate 41, and the bending of aeroscopic plate 41 is arranged, and 41 one end of aeroscopic plate is fixedly connected with fixed frame 3,
Aeroscopic plate 41 is lower than the other end far from an end position of fixed frame 3.The quantity of aeroscopic plate 41 is two, and gas outlet is located at two and leads
Between gas plate 41.
When colliding, then gas compression in cavity, gas is extracted release by air motor 23 by stomata 25
, to absorb energy and convert, change and reduce bounce by the way that impact force to be converted to the operating of gas to the external world, reduces
To the risk of pedestrian and collision vehicle.
Embodiment 2：The application method of bumper, includes the following steps：
A：Anticollision mode, when the collision prevention girders with cavity are by hitting, gas is compressed by the reduction of collision prevention girders volume,
Gas after pressure becomes larger is entered in air motor by stomata, pressure and internal gas pressure of the air motor due to ambient atmos
Compressed gas is discharged for strong production variation, work, so that the two pressure be made to stablize；
B：Modes of inflation, driving air motor extracts ambient atmos and gas is sent into the collision prevention girders with cavity, makes to prevent
Hit the increase of beam volume；
C：Air bleeding mode, driving air motor extract gas in the collision prevention girders with cavity and gas are emitted into the external world,
Reduce collision prevention girders volume.
Claims (10)
1. bumper, including collision prevention girders and fixed frame, it is characterised in that：It further include energy conversion device；
Collision prevention girders include the first Crashworthy plate, the second Crashworthy plate and flexible connector, and the first Crashworthy plate and the second Crashworthy plate are by scratching
Property connector connection, cavity is equipped in collision prevention girders, cavity volume can be increased or be reduced by the deformation of flexible connector；
Energy conversion device includes first piston cylinder, piston rod and air motor, and first piston cylinder one end and the second Crashworthy plate are solid
Fixed connection, the first piston cylinder other end are slidably connected with piston rod, and first piston cylinder is connected to cavity, and piston rod is living far from first
One end of plug tube is connect with fixed frame, and air motor is fixedly connected with fixed frame, and cavity is communicated with multiple stomatas, stomata and pneumatic
Motor connection, air motor are in communication with the outside.
2. by bumper described in claim 1, it is characterised in that：Stomata is located at first piston cylinder top or lower part.
3. by bumper described in claim 1, it is characterised in that：Stomata is set on the second Crashworthy plate or stomata is set
First piston cylinder is placed in close to one end of the second Crashworthy plate.
4. by bumper described in claim 1, it is characterised in that：Energy conversion device further includes second piston cylinder, the
Two piston cylinders are fixedly connected with fixed frame, and the one end of piston rod far from first piston cylinder is slidably connected with second piston cylinder.
5. by bumper as claimed in claim 4, it is characterised in that：Fixed frame includes stringer board and transverse slat, the quantity of stringer board
It is two, the quantity of transverse slat is two, and one of transverse slat is located at stringer board front, another transverse slat is located at stringer board rear portion；
Spring is equipped between first piston cylinder and adjacent transverse slat.
6. the bumper as described in claim 5, it is characterised in that：Fixed frame further includes intermediate plate, the quantity of intermediate plate
It is two, two intermediate plates are located at second piston cylinder two sides, and piston rod is equipped with baffle, is equipped between baffle and intermediate plate
Spring.
7. the bumper as described in one of claim 1-6, it is characterised in that：Air motor includes air inlet and goes out
Port, air inlet are connected to stomata, and gas outlet is in communication with the outside.
8. by bumper as claimed in claim 7, it is characterised in that：It further include control device, air inlet is equipped with air inlet control
Valve processed, gas outlet are equipped with leaving air control valve, and control device is electrically connected with air intake control valve, leaving air control valve and air motor respectively
It connects.
9. by bumper as claimed in claim 7, it is characterised in that：It further include gas operated device, gas operated device includes air guide
Plate, aeroscopic plate bending setting, aeroscopic plate one end are fixedly connected with fixed frame, and an end position of the aeroscopic plate far from fixed frame is lower than another
One end；
The quantity of aeroscopic plate is two, and two aeroscopic plates are setting up and down, and gas outlet is located between two aeroscopic plates.
10. the application method of bumper, which is characterized in that include the following steps：
A：Anticollision mode, when the collision prevention girders with cavity are by hitting, gas is compressed by the reduction of collision prevention girders volume, pressure
Gas after becoming larger is entered in air motor by stomata, and air motor is produced due to the pressure and internal gas pressure of ambient atmos
Compressed gas is discharged for changing, work, so that the two pressure be made to stablize；
B：Modes of inflation, driving air motor extracts ambient atmos and gas is sent into the collision prevention girders with cavity, makes collision prevention girders
Volume increases；
C：Air bleeding mode, driving air motor extract gas in the collision prevention girders with cavity and gas are emitted into the external world, make to prevent
Hit the reduction of beam volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516802.6A CN108909662A (en) | 2018-05-25 | 2018-05-25 | Bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516802.6A CN108909662A (en) | 2018-05-25 | 2018-05-25 | Bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108909662A true CN108909662A (en) | 2018-11-30 |
Family
ID=64410663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810516802.6A Pending CN108909662A (en) | 2018-05-25 | 2018-05-25 | Bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108909662A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4320226A1 (en) * | 1992-06-30 | 1994-01-05 | Volkswagen Ag | Vehicle front-mounted airbag protection for pedestrians - uses microwave based proximity sensor to sense imminent impact and then connects airbag to pressure source |
| CN1204599A (en) * | 1998-07-16 | 1999-01-13 | 孙立明 | Front back-installed safety gasbag buffer unit for vehicle |
| CN2716086Y (en) * | 2004-06-08 | 2005-08-10 | 干和平 | Safety protector for automobile |
| CN200988466Y (en) * | 2006-12-13 | 2007-12-12 | 陈磊然 | Anti-collision device for vehicle |
| CN102085839A (en) * | 2009-12-03 | 2011-06-08 | 东风襄樊旅行车有限公司 | Car crash pneumatic energy-absorbing device |
| CN204222792U (en) * | 2014-11-14 | 2015-03-25 | 黄碧君 | The endergonic structure of a kind of Federal bumper and vehicle frame |
| CN106627451A (en) * | 2015-11-02 | 2017-05-10 | 陈志波 | Air-pressure type vehicle anti-collision bumper |
| CN206704137U (en) * | 2017-05-11 | 2017-12-05 | 江苏食品药品职业技术学院 | One kind buffering accumulation of energy extensional mode automobile front beam |
-
2018
- 2018-05-25 CN CN201810516802.6A patent/CN108909662A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4320226A1 (en) * | 1992-06-30 | 1994-01-05 | Volkswagen Ag | Vehicle front-mounted airbag protection for pedestrians - uses microwave based proximity sensor to sense imminent impact and then connects airbag to pressure source |
| CN1204599A (en) * | 1998-07-16 | 1999-01-13 | 孙立明 | Front back-installed safety gasbag buffer unit for vehicle |
| CN2716086Y (en) * | 2004-06-08 | 2005-08-10 | 干和平 | Safety protector for automobile |
| CN200988466Y (en) * | 2006-12-13 | 2007-12-12 | 陈磊然 | Anti-collision device for vehicle |
| CN102085839A (en) * | 2009-12-03 | 2011-06-08 | 东风襄樊旅行车有限公司 | Car crash pneumatic energy-absorbing device |
| CN204222792U (en) * | 2014-11-14 | 2015-03-25 | 黄碧君 | The endergonic structure of a kind of Federal bumper and vehicle frame |
| CN106627451A (en) * | 2015-11-02 | 2017-05-10 | 陈志波 | Air-pressure type vehicle anti-collision bumper |
| CN206704137U (en) * | 2017-05-11 | 2017-12-05 | 江苏食品药品职业技术学院 | One kind buffering accumulation of energy extensional mode automobile front beam |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181130 |
|
| WD01 | Invention patent application deemed withdrawn after publication |