CN208439214U - A kind of collision energy-absorbing bumper - Google Patents
A kind of collision energy-absorbing bumper Download PDFInfo
- Publication number
- CN208439214U CN208439214U CN201820919858.1U CN201820919858U CN208439214U CN 208439214 U CN208439214 U CN 208439214U CN 201820919858 U CN201820919858 U CN 201820919858U CN 208439214 U CN208439214 U CN 208439214U
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- CN
- China
- Prior art keywords
- wall
- welded
- collision energy
- fixed plate
- side outer
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Abstract
The utility model discloses a kind of collision energy-absorbing bumpers, including bumper skin and collision energy-absorbing device, bumper skin side inner wall is welded with the same bumper beam, and multiple collision energy-absorbing devices are installed on bumper beam, the collision energy-absorbing device includes fixed plate, and fixed plate is fixed by bolt and bumper beam side outer wall, fixed plate side outer wall and bottom outer wall are provided with the same relief hole, and relief hole side inner wall is welded with strainer, bellows is welded at the fascia edge of the fixed plate side, and bellows is welded with cushion cylinder far from one end of fixed plate.The utility model utility model increases the reusable number of device to guarantee to return to the original form after colliding; damping force is generated when collision carries out crusherbull zone; damped coefficient when device collision is increased, impact force is absorbed, protects vehicle and personnel safety.
Description
Technical field
The utility model relates to bumper technical field more particularly to a kind of collision energy-absorbing bumpers.
Background technique
With the continuous promotion of car owning amount and ownership, vehicle traffic accident quantity is in cumulative year after year trend, vapour
Safety problem and collision maintenance cost in vehicle collision process are increasingly taken seriously.When head-on crash occurs for automobile, bumper
It is the component contacted at first, not only avoids the interior amount of invading excessive, reduce the damage of vehicle other component, also to pass through energy absorption device
Conquassation deform to absorb collision energy, avoid cockpit from having excessive deformation.
Currently, the bumper produced of some producers is there are constant rigidity, bad adaptability collides asking of will once scrapping
Therefore topic needs to design a kind of collision energy-absorbing bumper to solve the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of collision energy-absorbing vapour proposed
Vehicle bumper.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of collision energy-absorbing bumper, including bumper skin and collision energy-absorbing device, the bumper skin one
Side inner wall is welded with the same bumper beam, and multiple collision energy-absorbing devices are equipped on bumper beam, and the collision is inhaled
Energy device includes fixed plate, and fixed plate is fixed by bolt and bumper beam side outer wall, fixed plate side outer wall
It is provided with the same relief hole with bottom outer wall, and relief hole side inner wall is welded with strainer, fixed plate side fascia edge
Place is welded with bellows, and bellows is welded with cushion cylinder far from one end of fixed plate, and cushion cylinder side outer wall is opened
There is circular mounting hole, and circular mounting hole side inner wall is welded with guide ring, guide ring side outer wall is bonded with gasket,
Fixed plate side outer wall is welded with motion bar, and motion bar side outer wall is slidably connected with guide ring inner wall, the fixation
Plate and cushion cylinder opposite side outer wall are welded with the same buffer spring, and buffer spring is socketed in motion bar side outer wall
On.
Preferably, the motion bar is welded with piston far from one end of fixed plate, and piston side outer wall is provided with multiple rings
Connected in star.
Preferably, cushion cylinder side inner wall is welded with multiple annular protrusions, and annular protrusion and annular groove are advised
Lattice are adapted.
Preferably, piston side outer wall is welded with reset spring, and reset spring one end and buffering far from piston
The welding of oil cylinder side inner wall.
Preferably, the cushion cylinder top exterior walls are welded with mounting plate, and mounting plate side outer wall is bonded with cushion.
Preferably, mounting plate side outer wall is provided with the circular through hole of equidistant annular spread, and circle close to edge
Shape through-hole side inner wall is provided with screw thread.
Preferably, filled with damping grease in the cushion cylinder.
The utility model has the following beneficial effects:
1. can be as compensation buffer unit by the setting of bellows and buffer spring, ripple inner air tube quilt when collision
It is pressed through relief hole discharge, prevents air pressure is excessive from causing bellows bursts, the certain rigidity of the device can be improved and can be with
Guarantee can return to the original form after colliding, and increase the reusable number of device.
2. the setting by piston can be when colliding, motion bar band piston compresses reset spring,
Under pressure effect, the damping grease in cushion cylinder is between the annular protrusion on the annular groove and cushion cylinder on piston
Gap flowing generates damping force and carries out crusherbull zone, increases damped coefficient when device collision.
3. can guarantee that the motion bar direction of motion will not change by the setting of guide ring, so guarantee motion bar by
Power direction will not change, and increase the stability of device.
4. can prevent damping grease from outside outflow cushion cylinder, improving device in collision by the setting of gasket
Overall tightness.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of collision energy-absorbing bumper schematic view of the front view；
Fig. 2 be the utility model proposes a kind of collision energy-absorbing bumper collision energy-absorbing device sectional structure signal
Figure；
Fig. 3 be the utility model proposes a kind of collision energy-absorbing bumper collision energy-absorbing device front view structure signal
Figure.
In figure: 1 bumper skin, 2 bumper beams, 3 collision energy-absorbing devices, 4 fixed plates, 5 relief holes, 6 bellowss, 7
Gasket, 8 cushion cylinders, 9 reset springs, 10 cushions, 11 strainers, 12 buffer springs, 13 motion bars, 14 guide rings, 15 rings
Connected in star, 16 annular protrusions, 17 pistons, 18 damping greases, 19 mounting plates, 20 mounting holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of collision energy-absorbing bumper, including bumper skin 1 and collision energy-absorbing device 3, insurance
1 side inner wall of thick stick shell is welded with the same bumper beam 2, and multiple collision energy-absorbing devices are equipped on bumper beam 2
3, collision energy-absorbing device 3 includes fixed plate 4, and fixed plate 4 is fixed by bolt and 2 side outer wall of bumper beam, fixed plate 4
Side outer wall and bottom outer wall are provided with the same relief hole 5, and 5 side inner wall of relief hole is welded with strainer 11,4 side of fixed plate
Bellows 6 is welded at fascia edge, and bellows 6 is welded with cushion cylinder 8, cushion cylinder 8 one far from one end of fixed plate 4
Side outer wall is provided with circular mounting hole, and circular mounting hole side inner wall is welded with guide ring 14,14 side outer wall of guide ring bonding
There is gasket 7,4 side outer wall of fixed plate is welded with motion bar 13, and 13 side outer wall of motion bar and 14 inner wall of guide ring slide
Connection, fixed plate 4 and 8 opposite side outer wall of cushion cylinder are welded with the same buffer spring 12, and buffer spring 12 is socketed in
On 13 side outer wall of motion bar, bellows 6 and buffer spring 12 are as compensation buffer unit, air quilt in bellows 6 when collision
It is pressed through the discharge of relief hole 5, prevents air pressure is excessive from bellows 6 being caused to rupture, the certain rigidity of the device can be improved and can
To guarantee to return to the original form after colliding.
In the utility model, motion bar 13 is welded with piston 17 far from one end of fixed plate 4, and 17 side outer wall of piston is opened
There are multiple annular grooves 15,8 side inner wall of cushion cylinder is welded with multiple annular protrusions 16, and annular protrusion 16 and annular groove
15 specifications are adapted, and 17 side outer wall of piston is welded with reset spring 9, and reset spring 9 one end and buffering far from piston 17
The welding of 8 side inner wall of oil cylinder, 8 top exterior walls of cushion cylinder are welded with mounting plate 19, and 19 side outer wall of mounting plate be bonded with it is slow
Pad 10 is rushed, 19 side outer wall of mounting plate is provided with the circular through hole of equidistant annular spread, and circular through hole side close to edge
Inner wall is provided with screw thread, and damping grease 18 is filled in cushion cylinder 8, and motion bar 13 presses reset spring 9 with piston 17
Contracting, under pressure, the damping grease 28 in cushion cylinder 8 is on the annular groove 15 and cushion cylinder 8 on piston 17
Gap flowing between annular protrusion 16, generates damping force and carries out crusherbull zone, increases damped coefficient when device collision, crashes
Power is hit to be absorbed.
Working principle: in use, after colliding, bumper beam 2 pushes fixed plate (4) movement, and then fixed plate 4 is logical
It crosses and bellows 6 and buffer spring 12 is compressed, bellows 6 and buffer spring 12 are as compensation buffer unit, wave when collision
Air is squeezed through the discharge of relief hole 5 in line pipe 6, prevents air pressure is excessive from bellows 6 being caused to rupture, it is certain that the device can be improved
Rigidity and can guarantee return to the original form after colliding, then fixed plate 4 push motion bar 13, activity
Bar 13 compresses reset spring 9 with piston 17, and under pressure, the damping grease 28 in cushion cylinder 8 is in piston
Gap flowing between annular protrusion 16 on annular groove 15 on 17 and cushion cylinder 8 generates damping force and collide and delays
Punching increases damped coefficient when device collision, absorbs to impact force, protects vehicle and personnel safety.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of collision energy-absorbing bumper, including bumper skin (1) and collision energy-absorbing device (3), which is characterized in that institute
It states bumper skin (1) side inner wall to be welded with the same bumper beam (2), and is equipped on bumper beam (2) multiple
Collision energy-absorbing device (3), the collision energy-absorbing device (3) includes fixed plate (4), and fixed plate (4) passes through bolt and bumper
Crossbeam (2) side outer wall is fixed, and fixed plate (4) the side outer wall and bottom outer wall are provided with the same relief hole (5), and pressure release
Hole (5) side inner wall is welded with strainer (11), is welded with bellows (6) at the fascia edge of fixed plate (4) side, and ripple
Pipe (6) is welded with cushion cylinder (8) far from the one end of fixed plate (4), and cushion cylinder (8) side outer wall is provided with circular mounting
Hole, and circular mounting hole side inner wall is welded with guide ring (14), guide ring (14) side outer wall is bonded with gasket
(7), fixed plate (4) side outer wall is welded with motion bar (13), and in motion bar (13) side outer wall and guide ring (14)
Wall is slidably connected, and the fixed plate (4) and cushion cylinder (8) opposite side outer wall are welded with the same buffer spring (12), and
Buffer spring (12) is socketed on the outer wall of motion bar (13) side.
2. a kind of collision energy-absorbing bumper according to claim 1, which is characterized in that the motion bar (13) is separate
One end of fixed plate (4) is welded with piston (17), and piston (17) side outer wall is provided with multiple annular grooves (15).
3. a kind of collision energy-absorbing bumper according to claim 1, which is characterized in that the cushion cylinder (8) one
Side inner wall is welded with multiple annular protrusions (16), and annular protrusion (16) is adapted with annular groove (15) specification.
4. a kind of collision energy-absorbing bumper according to claim 2, which is characterized in that outside piston (17) side
Wall is welded with reset spring (9), and reset spring (9) one end and cushion cylinder (8) side inner wall far from piston (17) are welded.
5. a kind of collision energy-absorbing bumper according to claim 1, which is characterized in that cushion cylinder (8) top
Portion's outer wall is welded with mounting plate (19), and mounting plate (19) side outer wall is bonded with cushion (10).
6. a kind of collision energy-absorbing bumper according to claim 5, which is characterized in that mounting plate (19) side
Outer wall is provided with the circular through hole of equidistant annular spread close to edge, and circular through hole side inner wall is provided with screw thread.
7. a kind of collision energy-absorbing bumper according to claim 1, which is characterized in that in the cushion cylinder (8)
Filled with damping grease (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820919858.1U CN208439214U (en) | 2018-06-14 | 2018-06-14 | A kind of collision energy-absorbing bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820919858.1U CN208439214U (en) | 2018-06-14 | 2018-06-14 | A kind of collision energy-absorbing bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208439214U true CN208439214U (en) | 2019-01-29 |
Family
ID=65090513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820919858.1U Expired - Fee Related CN208439214U (en) | 2018-06-14 | 2018-06-14 | A kind of collision energy-absorbing bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208439214U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774633A (en) * | 2019-03-18 | 2019-05-21 | 安徽安凯汽车股份有限公司 | A kind of car collision energy-absorbing buffer unit |
| CN112109650A (en) * | 2020-09-28 | 2020-12-22 | 杭州获锡汽车部件有限公司 | Anti-collision protection device for automobile backing and control method thereof |
| CN114261358A (en) * | 2021-12-13 | 2022-04-01 | 东风汽车集团股份有限公司 | Vehicle rear-end collision buffer structure and vehicle |
-
2018
- 2018-06-14 CN CN201820919858.1U patent/CN208439214U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774633A (en) * | 2019-03-18 | 2019-05-21 | 安徽安凯汽车股份有限公司 | A kind of car collision energy-absorbing buffer unit |
| CN112109650A (en) * | 2020-09-28 | 2020-12-22 | 杭州获锡汽车部件有限公司 | Anti-collision protection device for automobile backing and control method thereof |
| CN114261358A (en) * | 2021-12-13 | 2022-04-01 | 东风汽车集团股份有限公司 | Vehicle rear-end collision buffer structure and vehicle |
| CN114261358B (en) * | 2021-12-13 | 2023-10-24 | 东风汽车集团股份有限公司 | Vehicle rear-end collision buffer structure and vehicle |
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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 |
Granted publication date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |