CN220947900U - Automobile bumper with good energy absorption effect - Google Patents
Automobile bumper with good energy absorption effect Download PDFInfo
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- CN220947900U CN220947900U CN202322381739.9U CN202322381739U CN220947900U CN 220947900 U CN220947900 U CN 220947900U CN 202322381739 U CN202322381739 U CN 202322381739U CN 220947900 U CN220947900 U CN 220947900U
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- bumper
- fixedly connected
- plate
- buffer device
- rod
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- 238000010521 absorption reaction Methods 0.000 title abstract description 14
- 230000000694 effects Effects 0.000 title abstract description 8
- 239000000872 buffer Substances 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000003139 buffering effect Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses an automobile bumper with good energy absorption effect, which relates to the technical field of automobile parts and particularly comprises a bumper and an anti-collision steel beam, wherein a first buffer device and a second buffer device which are arranged at equal intervals are arranged between the bumper and the anti-collision steel beam, a first fixing plate and a second fixing plate are fixedly connected to the right side surface of the anti-collision steel beam, and an anti-collision plate is arranged on the right side of the anti-collision steel beam. According to the utility model, the first buffer device, the movable plate, the first threaded rod, the first conical gear, the second conical gear and the transmission shaft are arranged, when the device is used, the transmission shaft is rotated to drive the second conical gears to rotate, so that the second conical gears drive the first conical gears to rotate, and the first conical gears drive the movable plate to move up and down through the two threaded rods, so that the bottom end of the first buffer device moves up and down, the first buffer device is lengthened or shortened, the energy absorption performance of the first buffer device is changed, and the aim of adapting to various types of automobiles is fulfilled.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to an automobile bumper with good energy absorption effect.
Background
The front and rear ends of the automobile are provided with bumpers, which not only have the decoration function, but also are safety devices for absorbing and buffering external impact force, protecting the automobile body and protecting the safety function of passengers.
The searched Chinese patent number is: CN109703497a discloses an anti-collision energy-absorbing automobile bumper, which comprises a beam, a buffer plate and an outer guard plate, wherein the buffer plate is positioned between the beam and the outer guard plate, and both ends of the buffer plate are connected with the inner side wall of the outer guard plate; the two ends of the outer side wall of the cross beam are provided with mounting grooves, an arc plate is arranged between the cross beam and the buffer plate, the two ends of the arc plate are respectively connected with the two ends of the cross beam, and an energy absorbing device is arranged between the arc plate and the buffer plate; the energy-absorbing device comprises a mounting base, a sliding rod and a sliding sleeve, wherein the top end of the sliding rod is connected with the mounting base, the bottom end of the sliding rod is located in the sliding sleeve, a limiting plate is arranged at the top end of the sliding sleeve, a limiting block is arranged at the bottom end of the sliding rod, a buffer cushion is arranged in the sliding sleeve and connected with the bottom end of the limiting block, and a spring is further arranged between the mounting base and the sliding sleeve. The invention aims at solving the problems of poor anti-collision performance, poor energy absorption effect and the like of the automobile bumper in the prior art, and has the advantages of good anti-collision performance, good energy absorption effect and the like.
According to the technical scheme, the problems that the existing automobile bumper is low in structural strength and poor in anti-collision performance, and the automobile bumper is easy to break when the automobile collides are solved, but the energy absorption performance of the energy absorption device of the scheme cannot be adjusted, so that the energy absorption device cannot be adapted to automobiles of various types, such as household automobiles, business automobiles, buses, trucks and the like, and the energy absorption device is limited in use.
Disclosure of utility model
Aiming at the defects and defects that the buffer device in the prior art cannot be well adapted to automobiles of various types in the background art.
The utility model discloses an automobile bumper with good energy absorption effect, which comprises a bumper and an anti-collision steel beam, wherein a first buffer device and a second buffer device which are arranged at equal intervals are arranged between the bumper and the anti-collision steel beam, a first fixed plate and a second fixed plate are fixedly connected to the right side surface of the anti-collision steel beam, an anti-collision plate is arranged on the right side of the anti-collision steel beam, the left side surface of the anti-collision plate is fixedly connected with the first fixed plate and the second fixed plate, the upper surface of the anti-collision steel beam is fixedly connected with a side plate, the upper surface of the side plate is fixedly connected with a top plate, the inside of the top plate is rotationally connected with two first threaded rods, the outer surface of each first threaded rod is rotationally connected with the second fixed plate, the right side surface of the side plate is slidingly connected with a movable plate, and the inside of the movable plate is in threaded connection with the two first threaded rods.
Further, the first buffer device comprises an outer rod, the bottom end of the outer rod is rotationally connected with the movable plate, and an inner rod is sleeved in the outer rod.
Further, the outer surface fixedly connected with circle piece one of outer pole, the surface fixedly connected with circle piece two of interior pole, the top of interior pole rotates with the bumper to be connected.
Further, a first spring is sleeved on the outer surface of the outer rod, and two ends of the first spring are fixedly connected with the first round block and the second round block respectively.
Further, the second buffer device comprises a sleeve and an inner tube, the sleeve and the inner tube are sleeved, the top end of the inner tube is rotationally connected with the bumper, end plates are fixedly connected to the outer surfaces of the sleeve and the inner tube, a second spring is sleeved on the outer surface of the sleeve, and two ends of the second spring are fixedly connected with the corresponding end plates respectively.
Further, the bottom of sheathed tube rotates and is connected with the slider, the surface and the anticollision girder steel sliding connection of slider, the inside threaded connection of slider has threaded rod two, the surface and the anticollision girder steel rotation of threaded rod two are connected.
Further, every the equal fixedly connected with conical gear one in top of threaded rod one, the surface fixedly connected with casing of roof, the inside rotation of casing is connected with the transmission shaft, the surface fixedly connected with of transmission shaft two conical gear two, every conical gear two all meshes with corresponding conical gear one, the equal fixedly connected with longeron in both ends of bumper, every a side that the longeron is close to each other all with crashproof girder steel fixed connection.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the first buffer device, the movable plate, the first threaded rod, the first conical gear, the second conical gear and the transmission shaft are arranged, when the device is used, the transmission shaft is rotated to drive the second conical gears to rotate, so that the second conical gears drive the first conical gears to rotate, and the first conical gears drive the movable plate to move up and down through the two threaded rods, so that the bottom end of the first buffer device moves up and down, the first buffer device is lengthened or shortened, the energy absorption performance of the first buffer device is changed, and the aim of adapting to various types of automobiles is fulfilled.
2. According to the utility model, the bumper, the longitudinal beam, the anti-collision steel beam, the fixing plate I, the fixing plate II and the anti-collision plate are arranged, when the device is used, the anti-collision steel beam is fixed with the longitudinal beam, one side surface of the anti-collision steel beam, which is close to the bumper, is fixed with the fixing plate I and the fixing plate II, and the anti-collision plate is fixed with the fixing plate I and the fixing plate II, so that when collision occurs, after the bumper buffers impact generated by collision, the U-shaped formed by the anti-collision plate, the fixing plate I and the fixing plate II buffers the impact, and the purpose of improving the buffering of the anti-collision steel beam is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is a schematic view of a three-dimensional structure of a buffer device according to the present utility model;
FIG. 5 is a schematic view of an internal structure of a buffer device according to the present utility model;
FIG. 6 is a schematic view of the three-dimensional structure of the interior of the housing of the present utility model;
FIG. 7 is an enlarged schematic view of the structure A in FIG. 6 according to the present utility model;
fig. 8 is an enlarged schematic view of the structure at B in fig. 6 according to the present utility model.
In the figure: 1. a bumper; 2. a longitudinal beam; 3. a housing; 4. a top plate; 5. a first buffer device; 6. a buffer device II; 7. an anti-collision plate; 8. an anti-collision steel beam; 9. a movable plate; 10. a second fixing plate; 11. a first conical gear; 12. a second bevel gear; 13. round blocks II; 14. an inner rod; 15. an outer rod; 16. round block I; 17. a first spring; 18. a first fixing plate; 19. a transmission shaft; 20. a side plate; 21. a first threaded rod; 22. a second threaded rod; 23. a slide block; 24. an end plate; 25. an inner tube; 26. a sleeve; 27. and a second spring.
Detailed Description
Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.
Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, the automobile bumper with good energy absorption effect comprises a bumper 1 and an anti-collision steel beam 8, wherein a first buffer device 5 and two second buffer devices 6 which are arranged at equal intervals are arranged between the bumper 1 and the anti-collision steel beam 8, a first fixed plate 18 and a second fixed plate 10 are fixedly connected to the right side surface of the anti-collision steel beam 8, an anti-collision plate 7 is arranged on the right side of the anti-collision steel beam 8, a side plate 20 is fixedly connected to the left side surface of the anti-collision plate 7 and the first fixed plate 18 and the second fixed plate 10, a top plate 4 is fixedly connected to the upper surface of the side plate 20, two threaded rods 21 are rotatably connected to the inner portion of the top plate 4, the outer surface of each threaded rod 21 is rotatably connected with the second fixed plate 10, a movable plate 9 is slidably connected to the right side surface of the side plate 20, two guide rails are arranged on the right side surface of the side plate 20, the inner portion of the movable plate 9 is in threaded connection with the two threaded rods 21, during installation, the threaded rods can be driven by rotating the two threaded rods 21 to move up and down the movable plate 9, and the buffer device can be adapted to the buffer device 5 in each time by rotating the threaded rod.
Referring to fig. 5, the first buffer device 5 includes an outer rod 15, the bottom end of the outer rod 15 is rotatably connected with the movable plate 9, an inner rod 14 is sleeved inside the outer rod 15, and when the movable plate 9 moves up and down, the left end of the outer rod 15 is driven to move up and down, so that the outer rod 15 rotates with the right end as a point.
Referring to fig. 5, a first round block 16 is fixedly connected to the outer surface of the outer rod 15, a second round block 13 is fixedly connected to the outer surface of the inner rod 14, the top end of the inner rod 14 is rotatably connected to the bumper 1, and when the movable plate 9 moves up and down, the left end of the outer rod 15 is driven to move up and down, so that the outer rod 15 rotates with the right end as a point, and meanwhile, the inner rod 14 stretches and contracts inside the outer rod 15, so that the length of the whole first buffer device 5 is lengthened or shortened.
Referring to fig. 1, 3, 4, 5 and 6, a first spring 17 is sleeved on the outer surface of the outer rod 15, two ends of the first spring 17 are fixedly connected with a first round block 16 and a second round block 13 respectively, the working principle of the buffer performance change of the buffer device 5 is that the movable plate 9 is driven to move up and down by rotating the two first threaded rods 21, the movable plate 9 moves to drive the outer rod 15 to rotate at a point beyond the right end of the outer rod 15, the left end of the outer rod 15 moves up and down, meanwhile, the inner rod 14 stretches and contracts in the outer rod 15, the first spring 17 is stretched or compressed, the pretightening force of the first spring 17 of the buffer device 5 is changed, the impact force absorbing and buffering effect of the buffer device 5 by the compression of the first spring 17 is changed after the buffer device is impacted, the buffer device 5 can be adjusted according to automobiles of different models, and the buffer device 5 can be adjusted according to requirements in subsequent use.
Referring to fig. 3, 4, 5, 6, 7 and 8, the second buffer device 6 includes a sleeve 26 and an inner tube 25, the sleeve 26 is sleeved with the inner tube 25, the top end of the inner tube 25 is rotationally connected with the bumper 1, the outer surfaces of the sleeve 26 and the inner tube 25 are fixedly connected with end plates 24, a second spring 27 is sleeved on the outer surface of the sleeve 26, two ends of the second spring 27 are fixedly connected with the corresponding end plates 24 respectively, when the second buffer device 6 is impacted, the generated impact force acts on the bumper 1, and then acts on the second buffer device 6 through the bumper 1, so that the inner tube 25 moves towards the inside of the sleeve 26, meanwhile, the second spring 27 is compressed, and the impact force is buffered.
Referring to fig. 4, 5, 6 and 7, the bottom end of the sleeve 26 is rotatably connected with a slider 23, the outer surface of the slider 23 is slidably connected with the anti-collision steel beam 8, the inner thread of the slider 23 is connected with a second threaded rod 22, the outer surface of the second threaded rod 22 is rotatably connected with the anti-collision steel beam 8, the second threaded rod 22 at the left end can drive the slider 23 to move up and down, the slider 23 moves to drive the right end of the sleeve 26 to rotate, and meanwhile, the inner tube 25 stretches and contracts in the sleeve 26, so that the second spring 27 is compressed or stretched, the pretightening force of the second spring 27 is changed, and the buffering capacity of the second buffering device 6 when receiving impact force can be adjusted.
Referring to fig. 1, 2, 3, 4 and 6, the top end of each first threaded rod 21 is fixedly connected with a first conical gear 11, the outer surface of the top plate 4 is fixedly connected with a casing 3, the inside of the casing 3 is rotationally connected with a transmission shaft 19, the outer surface of the transmission shaft 19 is fixedly connected with two second conical gears 12, each second conical gear 12 is meshed with the corresponding first conical gear 11, two ends of the bumper 1 are fixedly connected with longitudinal beams 2, one side surface, close to each longitudinal beam 2, of each longitudinal beam is fixedly connected with an anti-collision steel beam 8, the bumper 1 and the anti-collision steel beam 8 are fixed with the longitudinal beams 2, and the working principle of synchronous rotation of the two first threaded rods 21 is that the transmission shaft 19 drives the two second conical gears 12 to rotate, the two second conical gears 12 rotate to drive the first conical gears 11 to rotate, and the first conical gears 11 rotate to drive the two first threaded rods 21 to rotate.
When the utility model is used: the movable plate 9 is driven to move up and down by rotating the two first threaded rods 21, the movable plate 9 moves to drive the outer rod 15 to rotate by taking the right end of the outer rod 15 as a point, so that the left end of the outer rod 15 moves up and down, meanwhile, the inner rod 14 stretches and contracts in the outer rod 15, the first spring 17 is stretched or compressed, the pretightening force of the first spring 17 of the first buffer device 5 is changed, the impact force absorbing and buffering effect of the first buffer device 5 after being impacted by the compression of the first spring 17 is changed, the first buffer device 5 can be adjusted according to automobiles of different models, and the first buffer device 5 can also be adjusted according to needs in subsequent use.
The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.
Claims (7)
1. The utility model provides an energy-absorbing effectual car bumper, includes bumper (1) and anticollision girder steel (8), its characterized in that: buffer one (5) and two buffer two (6) are arranged between bumper (1) and crashproof girder steel (8), the right flank fixedly connected with fixed plate one (18) and the fixed plate two (10) of crashproof girder steel (8), the right-hand crashproof girder steel (8) are equipped with crashproof board (7), the left surface of crashproof board (7) all with fixed plate one (18) and fixed plate two (10) fixed connection, the upper surface fixedly connected with curb plate (20) of crashproof girder steel (8), the upper surface fixedly connected with roof (4) of curb plate (20), the inside rotation of roof (4) is connected with two threaded rods one (21), every the surface of threaded rod one (21) all rotates with fixed plate two (10) to be connected, the right flank sliding connection of curb plate (20) has fly leaf (9), the inside of fly leaf (9) all with two threaded rods one (21) threaded connection.
2. The energy absorbing bumper of claim 1, wherein: the first buffer device (5) comprises an outer rod (15), the bottom end of the outer rod (15) is rotationally connected with the movable plate (9), and an inner rod (14) is sleeved in the outer rod (15).
3. The energy absorbing bumper of claim 2, wherein: the outer surface of outer pole (15) fixedly connected with circle piece one (16), the surface fixedly connected with circle piece two (13) of interior pole (14), the top of interior pole (14) rotates with bumper (1) to be connected.
4. An energy absorbing bumper according to claim 3, wherein: the outer surface of the outer rod (15) is sleeved with a first spring (17), and two ends of the first spring (17) are fixedly connected with the first round block (16) and the second round block (13) respectively.
5. The energy absorbing bumper of claim 1, wherein: the second buffer device (6) comprises a sleeve (26) and an inner tube (25), the sleeve (26) is sleeved with the inner tube (25), the top end of the inner tube (25) is rotationally connected with the bumper (1), end plates (24) are fixedly connected to the outer surfaces of the sleeve (26) and the inner tube (25), a second spring (27) is sleeved on the outer surface of the sleeve (26), and two ends of the second spring (27) are fixedly connected with the corresponding end plates (24) respectively.
6. The energy-absorbing automotive bumper of claim 5, wherein: the bottom rotation of sleeve pipe (26) is connected with slider (23), the surface and the anticollision girder steel (8) sliding connection of slider (23), the inside threaded connection of slider (23) has threaded rod two (22), the surface and the anticollision girder steel (8) rotation of threaded rod two (22) are connected.
7. The energy absorbing bumper of claim 1, wherein: every the equal fixedly connected with conical gear one (11) in top of threaded rod one (21), the surface fixedly connected with casing (3) of roof (4), the inside rotation of casing (3) is connected with transmission shaft (19), the surface fixedly connected with of transmission shaft (19) two conical gear two (12), every conical gear two (12) all meshes with corresponding conical gear one (11), the equal fixedly connected with longeron (2) in both ends of bumper (1), every a side that longeron (2) are close to each other all with crashproof girder steel (8) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381739.9U CN220947900U (en) | 2024-03-14 | 2024-03-14 | Automobile bumper with good energy absorption effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381739.9U CN220947900U (en) | 2024-03-14 | 2024-03-14 | Automobile bumper with good energy absorption effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220947900U true CN220947900U (en) | 2024-05-14 |
Family
ID=91025248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322381739.9U Active CN220947900U (en) | 2024-03-14 | 2024-03-14 | Automobile bumper with good energy absorption effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220947900U (en) |
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2024
- 2024-03-14 CN CN202322381739.9U patent/CN220947900U/en active Active
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