CN217804624U - Multistage progressive collision energy absorption device - Google Patents
Multistage progressive collision energy absorption device Download PDFInfo
- Publication number
- CN217804624U CN217804624U CN202221379505.XU CN202221379505U CN217804624U CN 217804624 U CN217804624 U CN 217804624U CN 202221379505 U CN202221379505 U CN 202221379505U CN 217804624 U CN217804624 U CN 217804624U
- Authority
- CN
- China
- Prior art keywords
- energy
- absorbing
- slider
- grade
- supporting
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model discloses a multistage progressive collision energy-absorbing device, including energy-absorbing base and second grade energy-absorbing seat, second grade energy-absorbing seat is installed on the top of energy-absorbing base, the top of second grade energy-absorbing seat is equipped with second grade energy-absorbing slider, and second grade energy-absorbing slider and second grade energy-absorbing seat sliding connection, the inside central point of second grade energy-absorbing slider puts the department and installs the transfer line, the one end that second grade energy-absorbing slider was kept away from to the transfer line is installed and is supported the backup pad, one side that the transfer line was kept away from to the backup pad is installed and is supported the cover, the inside of supporting the cover is equipped with the gag lever post, the gag lever post is kept away from the one end of supporting the cover and is installed the commentaries on classics joint piece, the surface cover of gag lever post is equipped with the reinforcing spring. The utility model discloses not only realized that multistage gradual collision energy-absorbing device efficient energy-absorbing uses, reduced the car impact in the twinkling of an eye, improved the stability when energy-absorbing device moves moreover.
Description
Technical Field
The utility model relates to an automotive test technical field specifically is multistage gradual collision energy-absorbing device.
Background
The automobile body structure is almost formed by thin-wall metal parts, when collision occurs, a thin-wall component which is strongly impacted can generate plastic deformation, the plastic deformation is accompanied with the absorption of collision energy, the collision energy absorption design of the automobile structure is the collision performance design of the thin-wall part to a great extent, a long period is required from research and development to market, parameters and data are improved through a plurality of tests, whether the automobile can pass a safe collision test before leaving a factory or not can be shown to a great extent, whether the design of the automobile is reasonable or not and whether the quality of the automobile reaches the standard or not can be shown to a great extent through the tests, the automobile safe collision test is the most practical and intuitive test, the test cannot be carried out in a computer simulation mode naturally, and the real automobile is required to pass observation data obtained after violent collision is generated in the actual driving process, so that a conclusion can be made.
This type of energy-absorbing device on the market is various today, can satisfy people's user demand basically, but still has certain problem, and the efficient energy-absorbing of generally not being convenient for when using of current this type of energy-absorbing device is used, and effectual shock attenuation buffering reduces the car impact in the twinkling of an eye, great influence the reliability when energy-absorbing device uses, the collision test effect of giving the car has brought very big influence.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multistage gradual collision energy-absorbing device to propose the problem that the efficient energy-absorbing of not being convenient for used of energy-absorbing device in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: multistage progressive collision energy-absorbing device, including energy-absorbing base and second grade energy-absorbing seat, second grade energy-absorbing seat is installed on the top of energy-absorbing base, the top of second grade energy-absorbing seat is equipped with second grade energy-absorbing slider, and second grade energy-absorbing slider and second grade energy-absorbing seat sliding connection, the inside central point department of putting of second grade energy-absorbing slider installs the transfer line, the one end that second grade energy-absorbing slider was kept away from to the transfer line is installed and is supported the backup pad, one side that the transfer line was kept away from to the backup pad is installed and is supported the cover, the inside of supporting the cover is equipped with the gag lever post, the gag lever post is kept away from the one end of supporting the cover and is installed the switching piece, the surface cover of gag lever post is equipped with reinforcing spring, and reinforcing spring's one end is connected with the switching piece to reinforcing spring's the other end is connected with supporting the cover.
Preferably, one side of the outer wall of the switching block, which is far away from the limiting rod, is provided with a primary energy-absorbing beam, and the outer wall of the primary energy-absorbing beam is fixedly connected with the switching block.
Preferably, the surface of the transmission rod on one side of the secondary energy-absorbing slider is sleeved with a limiting support block, and the bottom end of the limiting support block is fixedly connected with the secondary energy-absorbing seat.
Preferably, two groups of supporting rods are arranged inside the secondary energy absorption slide block above the secondary energy absorption seat, and one ends of the supporting rods penetrate through the limiting support block.
Preferably, the two ends of the supporting rod are provided with supporting clamping blocks, and the bottom ends of the supporting clamping blocks are connected with the secondary energy absorption seat.
Preferably, the surface of the supporting rod on one side of the secondary energy-absorbing slider is sleeved with a lengthened spring, one end of the lengthened spring is connected with the secondary energy-absorbing slider, and the other end of the lengthened spring is connected with the supporting clamping block.
Preferably, a positioning rod is mounted on the outer wall of the secondary energy-absorbing slider above the secondary energy-absorbing seat, and a baffle frame is mounted on the outer wall of the energy-absorbing base on one side of the positioning rod.
Preferably, one side of the outer wall of the baffle plate frame, which is close to the positioning rod, is provided with a positioning sleeve, and the positioning sleeve is fixedly connected with the baffle plate frame.
Compared with the prior art, the beneficial effects of the utility model are that: the energy absorption device not only realizes the efficient energy absorption use of the multistage progressive collision energy absorption device, reduces the instantaneous collision force of the automobile, but also improves the stability of the energy absorption device in operation;
(1) The front bumper of the automobile impacts the primary energy-absorbing beam, the reinforcing spring elastically supports the transfer block, the transfer block drives the limiting rod to enter the inside of the support sleeve, and the reinforcing spring is driven by the transfer block to compress and absorb energy to the maximum extent, so that the energy absorption device can quickly absorb energy when the automobile collides, efficient damping and buffering are facilitated, and the instantaneous impact force of the automobile is reduced;
(2) The support plate is driven to move through the support sleeve, kinetic energy is transferred to the transmission rod through the support plate, the transmission rod drives the secondary energy-absorbing slider to slide, the secondary energy-absorbing slider slides on the surface of the secondary energy-absorbing seat, the lengthened spring elastically supports the secondary energy-absorbing slider, and the lengthened spring performs compression energy absorption to the maximum extent, so that the multistage progressive collision energy-absorbing device is efficiently used for absorbing energy, the instantaneous collision force of an automobile is reduced, and the stability of the energy-absorbing device in operation is improved;
(3) The second-stage energy absorption sliding block slides on the surface of the second-stage energy absorption seat, the second-stage energy absorption sliding block drives the positioning rod to horizontally and synchronously move, when the second-stage energy absorption sliding block reaches the maximum limit, the positioning rod is in contact with the positioning sleeve, the positioning rod enters the inside of the positioning sleeve to carry out limiting support, so that safety protection is carried out on the energy absorption device, mechanical limiting protection is realized when the energy absorption device operates, and damage to the device caused by excessive impact force in the moment is prevented.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of the support sleeve of the present invention;
FIG. 3 is a schematic view of the front view structure of the present invention;
FIG. 4 is a schematic view of the front cross-section of the stop lever of the present invention;
fig. 5 is a schematic top view of the present invention.
In the figure: 1. an energy absorbing base; 2. a secondary energy-absorbing slider; 3. limiting the supporting block; 4. a transmission rod; 5. a support plate; 6. a support sleeve; 7. a reinforcing spring; 8. a transfer block; 9. a primary energy-absorbing beam; 10. a limiting rod; 11. a support bar; 12. a secondary energy absorption seat; 13. lengthening the spring; 14. positioning a rod; 15. a positioning sleeve; 16. a baffle frame; 17. and supporting the clamping block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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. 1-5, the present invention provides an embodiment: the multistage progressive collision energy absorption device comprises an energy absorption base 1 and a secondary energy absorption seat 12, wherein the secondary energy absorption seat 12 is installed at the top end of the energy absorption base 1, a secondary energy absorption slider 2 is arranged at the top end of the secondary energy absorption seat 12, the secondary energy absorption slider 2 is connected with the secondary energy absorption seat 12 in a sliding mode, a transmission rod 4 is installed at the center position inside the secondary energy absorption slider 2, the transmission rod 4 plays a role in power transmission, a supporting plate 5 is installed at one end, away from the secondary energy absorption slider 2, of the transmission rod 4, a supporting sleeve 6 is installed on one side, away from the transmission rod 4, of the supporting plate 5, a limiting rod 10 is arranged inside the supporting sleeve 6, a transfer block 8 is installed at one end, away from the supporting sleeve 6, of the limiting rod 10, a reinforcing spring 7 is sleeved on the surface of the limiting rod 10, one end of the reinforcing spring 7 is connected with a transfer block 8, the other end of the reinforcing spring 7 is connected with the supporting sleeve 6, the reinforcing spring 7 plays a role in elastic support, a primary beam 9 is arranged on one side, away from the outer wall of the transfer block 8, and the outer wall of the primary energy absorption beam 9 is fixedly connected with the transfer block 8;
when the automobile collision test device is used, an automobile to be tested is stopped at a specified position, when the automobile collision test is needed, an automobile front bumper collides with the primary energy-absorbing beam 9, the primary energy-absorbing beam 9 collides with the transfer block 8 to deform, move and absorb energy, the reinforcing spring 7 elastically supports the transfer block 8 under the support of the support sleeve 6, the transfer block 8 drives the limiting rod 10 to enter the support sleeve 6, the reinforcing spring 7 is driven by the transfer block 8 to perform maximum compression energy absorption, the energy absorption device can rapidly absorb energy when the automobile collides, efficient shock absorption and buffering are facilitated, and the instant collision force of the automobile is reduced;
the surface of a transmission rod 4 on one side of a secondary energy-absorbing slider 2 is sleeved with a limiting support block 3, the bottom end of the limiting support block 3 is fixedly connected with a secondary energy-absorbing seat 12, the limiting support block 3 is connected with the transmission rod 4 in a sliding manner, two groups of support rods 11 are arranged inside the secondary energy-absorbing slider 2 above the secondary energy-absorbing seat 12, one ends of the support rods 11 penetrate through the outside of the limiting support block 3, the support rods 11 are connected with the secondary energy-absorbing slider 2 in a sliding manner, support fixture blocks 17 are arranged at two ends of the support rods 11, the bottom ends of the support fixture blocks 17 are connected with the secondary energy-absorbing seat 12, an extension spring 13 is sleeved on the surface of the support rods 11 on one side of the secondary energy-absorbing slider 2, one end of the extension spring 13 is connected with the secondary energy-absorbing slider 2, the other end of the extension spring 13 is connected with the support fixture blocks 17, and the extension spring 13 plays a role of elastic support;
when the energy absorption device is used, the supporting plate 5 is driven to move by the supporting sleeve 6, the kinetic energy is transmitted to the transmission rod 4 by the supporting plate 5, the transmission rod 4 drives the secondary energy absorption slider 2 to slide, the secondary energy absorption slider 2 slides on the surface of the secondary energy absorption seat 12 under the support of the limiting supporting block 3 and the support of the supporting clamping block 17 on the supporting rod 11, the lengthening spring 13 elastically supports the secondary energy absorption slider 2, the lengthening spring 13 is used for maximally compressing and absorbing energy to perform secondary buffering and energy absorption, the high-efficiency energy absorption use of the multistage progressive collision energy absorption device is realized, the instantaneous collision force of an automobile is reduced, and the stability of the energy absorption device in operation is improved;
a positioning rod 14 is arranged on the outer wall of the secondary energy absorption sliding block 2 above the secondary energy absorption seat 12, a baffle plate frame 16 is arranged on the outer wall of the energy absorption base 1 at one side of the positioning rod 14, a positioning sleeve 15 is arranged on one side, close to the positioning rod 14, of the outer wall of the baffle plate frame 16, and the positioning sleeve 15 is fixedly connected with the baffle plate frame 16;
when the energy absorption device is used, the secondary energy absorption slider 2 slides on the surface of the secondary energy absorption seat 12, the secondary energy absorption slider 2 drives the positioning rod 14 to horizontally and synchronously move, the baffle plate frame 16 and the energy absorption base 1 are installed together, the positioning sleeve 15 and the baffle plate frame 16 are installed together, when the secondary energy absorption slider 2 reaches the maximum limit, the positioning rod 14 is in contact with the positioning sleeve 15, the positioning rod 14 enters the positioning sleeve 15 to carry out limiting support, so that the energy absorption device is safely protected, mechanical limiting protection during the operation of the energy absorption device is realized, and the device damage caused by overlarge instantaneous impact force is prevented.
When the embodiment of the application is used: firstly, an automobile to be tested is stopped at a designated position, when the automobile collision test is needed, a front bumper of the automobile impacts a primary energy-absorbing beam 9, the primary energy-absorbing beam 9 impacts a transfer block 8 to deform, move and absorb energy, a reinforcing spring 7 elastically supports the transfer block 8 under the support of a support sleeve 6, the transfer block 8 drives a limiting rod 10 to enter the support sleeve 6, the reinforcing spring 7 is driven by the transfer block 8 to perform maximum compression energy absorption, then a support plate 5 is driven by the support sleeve 6 to move, kinetic energy is transmitted to a transmission rod 4 by the support plate 5, the transmission rod 4 drives a secondary energy-absorbing slider 2 to slide under the support of a limit support block 3, the secondary energy-absorbing slider 2 slides on the surface of a secondary energy-absorbing seat 12 under the support of a support block 17 to support the support rod 11, a lengthening spring 13 elastically supports the secondary energy-absorbing slider 2, the lengthening spring 13 performs maximum compression energy absorption to perform secondary buffering, the secondary buffering and positioning of the secondary energy-absorbing slider 2 slides on the surface of the secondary energy-absorbing seat 12, the secondary energy-absorbing slider 2 drives a positioning rod 14 to move horizontally and synchronously, a positioning rod 16 is installed together with a base 1, a positioning sleeve 15, and a positioning device is installed with a baffle 15, and the positioning device is used as a safety energy-absorbing bracket, and the safety energy-absorbing device is used for positioning device for positioning of the safety energy-absorbing bracket 14.
Claims (8)
1. Multistage progressive collision energy-absorbing device, including energy-absorbing base (1) and second grade energy-absorbing seat (12), its characterized in that: second grade energy-absorbing seat (12) are installed on the top of energy-absorbing base (1), the top of second grade energy-absorbing seat (12) is equipped with second grade energy-absorbing slider (2), and second grade energy-absorbing slider (2) and second grade energy-absorbing seat (12) sliding connection, the inside central point department of putting of second grade energy-absorbing slider (2) installs transfer line (4), one end that second grade energy-absorbing slider (2) were kept away from in transfer line (4) is installed backup pad (5), one side that transfer line (4) were kept away from in backup pad (5) is installed and is supported cover (6), the inside of supporting cover (6) is equipped with gag lever post (10), gag lever post (10) are kept away from the one end of supporting cover (6) and are installed and are changeed joint piece (8), the surface cover of gag lever post (10) is equipped with reinforcing spring (7), and the one end of reinforcing spring (7) is connected with changeing piece (8) to the other end of reinforcing spring (7) is connected with supporting cover (6).
2. The multi-stage progressive crash energy absorber of claim 1, wherein: one side of the outer wall of the switching block (8) far away from the limiting rod (10) is provided with a primary energy-absorbing beam (9), and the outer wall of the primary energy-absorbing beam (9) is fixedly connected with the switching block (8).
3. The multi-stage progressive crash energy absorber of claim 1, wherein: the surface of the transmission rod (4) on one side of the secondary energy-absorbing slider (2) is sleeved with a limiting support block (3), and the bottom end of the limiting support block (3) is fixedly connected with the secondary energy-absorbing seat (12).
4. The multi-stage progressive crash energy absorber of claim 1, wherein: two groups of supporting rods (11) are arranged inside the secondary energy-absorbing slider (2) above the secondary energy-absorbing seat (12), and one ends of the supporting rods (11) penetrate through the limiting support block (3).
5. The multi-stage progressive crash energy absorber of claim 4, wherein: and supporting clamping blocks (17) are arranged at two ends of the supporting rod (11), and the bottom ends of the supporting clamping blocks (17) are connected with the secondary energy absorption seat (12).
6. The multi-stage progressive crash energy absorber of claim 1, wherein: the surface of the supporting rod (11) on one side of the secondary energy-absorbing sliding block (2) is sleeved with a lengthened spring (13), one end of the lengthened spring (13) is connected with the secondary energy-absorbing sliding block (2), and the other end of the lengthened spring (13) is connected with a supporting clamping block (17).
7. The multi-stage progressive crash energy absorber of claim 1, wherein: a positioning rod (14) is installed on the outer wall of a secondary energy-absorbing sliding block (2) above the secondary energy-absorbing seat (12), and a baffle frame (16) is installed on the outer wall of an energy-absorbing base (1) on one side of the positioning rod (14).
8. The multi-stage progressive crash energy absorber of claim 7, wherein: one side of the outer wall of the baffle plate frame (16) close to the positioning rod (14) is provided with a positioning sleeve (15), and the positioning sleeve (15) is fixedly connected with the baffle plate frame (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221379505.XU CN217804624U (en) | 2022-05-31 | 2022-05-31 | Multistage progressive collision energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221379505.XU CN217804624U (en) | 2022-05-31 | 2022-05-31 | Multistage progressive collision energy absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217804624U true CN217804624U (en) | 2022-11-15 |
Family
ID=83988688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221379505.XU Active CN217804624U (en) | 2022-05-31 | 2022-05-31 | Multistage progressive collision energy absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217804624U (en) |
-
2022
- 2022-05-31 CN CN202221379505.XU patent/CN217804624U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205220579U (en) | Car bumper energy absorption and shock absorption device | |
| CN211693364U (en) | Small-size building engineering machinery shock attenuation equipment | |
| CN214723919U (en) | Nail gun buffer device and nail gun | |
| CN217804624U (en) | Multistage progressive collision energy absorption device | |
| CN209921235U (en) | Car bumper crossbeam based on three-dimensional four ligament chirality honeycomb | |
| CN219904278U (en) | Automobile progressive energy-absorbing bumper | |
| CN212890212U (en) | New forms of energy carrier protective structure | |
| CN210258318U (en) | High security car front bumper structure | |
| CN105216724A (en) | Buffer device for collision of automobile | |
| CN216487936U (en) | High-speed circuit breaker for high-energy-efficiency train traction system | |
| CN215663322U (en) | Automobile collision bumper with energy absorption function | |
| CN109591740A (en) | New automobile crash cushions | |
| CN213676596U (en) | Novel automobile mechanical impact buffering device | |
| CN210822130U (en) | Bumper with energy-absorbing and shock-absorbing functions | |
| CN213144019U (en) | Damping device for stereo garage | |
| CN212509353U (en) | Damping mechanism of rubber cutting equipment | |
| CN207257579U (en) | A kind of epitaxial buffer formula truck rear bumper | |
| CN216424564U (en) | Compound automobile cross beam with strong compression resistance | |
| CN220923879U (en) | Front cross beam structure for collision resistance | |
| CN209096826U (en) | A kind of light-duty new energy commercialization chassis anti-collision structure | |
| CN218141400U (en) | Anti-collision type front bumper anti-collision beam | |
| CN220566497U (en) | Automobile damping bracket capable of being stably supported | |
| CN110606036A (en) | High anti collision car of two roof beams | |
| CN2691958Y (en) | Energy adsorption type automobile dumper | |
| CN215660347U (en) | Intelligent robot that shock attenuation protectiveness is good |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |