CN218519748U - Energy-absorbing structure of skateboard chassis - Google Patents
Energy-absorbing structure of skateboard chassis Download PDFInfo
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- CN218519748U CN218519748U CN202222755350.1U CN202222755350U CN218519748U CN 218519748 U CN218519748 U CN 218519748U CN 202222755350 U CN202222755350 U CN 202222755350U CN 218519748 U CN218519748 U CN 218519748U
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- crushable
- absorbing structure
- energy absorbing
- skateboard
- chassis according
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- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 230000003313 weakening effect Effects 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an energy-absorbing structure on slide chassis, which comprises a vehicle rack, the frame includes the crashproof crossbeam and controls two integral type crushable deformation longerons, two but the front end of integral type crushable deformation longeron inserts respectively and fixes in both ends about the crashproof crossbeam. But the longeron adopts integral type conquassation longeron that warp, has reduced the stamping die input of stamping sheet metal design among the traditional design, reduces this and increases effects.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to an energy-absorbing structure on slide chassis.
Background
In the modern society, along with the improvement of economy and living standard, people increasingly adopt the automobile as a tool for riding instead of walk on a journey, and meanwhile, the safety problem of the automobile is more and more valued by people.
At present, as vehicles are more and road conditions are more and more complex, collision accidents are easy to happen in the process of driving automobiles, and most of the collision accidents are direct collision (front collision and rear collision). Therefore, the front collision energy absorption longitudinal beam absorbs energy in the collision process, and the injury to front cabin personnel is reduced. However, most of the existing frontal collision energy-absorbing longitudinal beams are formed by stamping two or more plates, the process is complex through welding forming, a plate stamping forming die needs to be manufactured in advance, and the development cost is high. Anticollision crossbeam passes through bolted connection with the longeron mostly to weld an installation panel, or passes through welded connection at anticollision crossbeam and longeron front end, and the former has increased weight by an installation panel more, and the latter needs anchor clamps fixed-position welding.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an energy-absorbing structure on slide chassis, which comprises a vehicle rack, the frame includes the crashproof crossbeam and controls two integral type crushable deformation longerons, two but the front end of integral type crushable deformation longeron inserts respectively and fixes in the both ends of controlling of crashproof crossbeam.
Preferably, the anti-collision cross beam is of a tubular structure, the left end and the right end of the rear end wall of the anti-collision cross beam are provided with insertion holes, the front ends of the two integral crushable and deformable longitudinal beams are respectively inserted into the two insertion holes, and the front end face of the integral crushable and deformable longitudinal beam abuts against the front end wall of the anti-collision cross beam.
Preferably, the integral crushable stringer is welded to the receptacle.
Preferably, the anti-collision cross beam is of a square tube structure, and is formed by enclosing an upper end wall, the front end wall, a lower end wall and the rear end wall; the jack is a square hole; the cross section of the integrated crushable deformable longitudinal beam is square.
Preferably, a plurality of first weakening holes are formed in the front section of the crushable and deformable longitudinal beam at intervals from front to back, and the plurality of first weakening holes become smaller gradually from front to back.
Preferably, the integrated crushable and deformable longitudinal beam is located behind the first weakening holes, at least one reinforcing plate is fixedly arranged on the outer surface of the integrated crushable and deformable longitudinal beam, and second weakening holes are formed in the reinforcing plate.
Preferably, the reinforcing plates are U-shaped, and a plurality of reinforcing plates are fixedly sleeved on the integrated crushable and deformable longitudinal beam.
Preferably, the energy absorption structure of the skateboard chassis further comprises an auxiliary frame, and the auxiliary frame is detachably and fixedly connected below the frame.
Preferably, a plurality of mounting shafts are fixedly arranged on the auxiliary frame, and the mounting shafts are fixedly connected below the frame through threaded fasteners.
Preferably, the left side and the right side of the front end of the auxiliary frame are respectively provided with a box-shaped auxiliary longitudinal beam in a forward extending mode.
Compared with the prior art, the utility model discloses there are following technological effect:
1. the longitudinal beam adopts an integrated crushable and deformable longitudinal beam, so that the investment of a stamping die for stamping sheet metal in the traditional design is reduced, the cost is reduced, and the efficiency is improved;
2. but integral type conquassation warp longeron and anticollision crossbeam adopt the mode of pegging graft, when having guaranteed the bending resistance of anticollision crossbeam, increased the energy-absorbing space of integral type conquassation warp longeron.
3. The front end of the auxiliary longitudinal beam is forwards provided with a crushable deformation extension section, and the crushable deformation extension section can fix the radiator and increase the energy absorption of the auxiliary longitudinal beam after frontal collision.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an energy absorbing structure of a chassis of a skateboard according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an anti-collision beam according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a left-right integrated crushable and deformable longitudinal beam according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an auxiliary frame according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the auxiliary frame provided by an embodiment of the present invention, in which the left and right sides of the front end of the auxiliary frame are respectively extended forward to form box-shaped auxiliary longitudinal beams.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
The technical solution of the present invention will be described in detail with reference to specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Referring to fig. 1 to 5, the present embodiment provides an energy absorption structure of a chassis of a skateboard, including a frame 1, where the frame 1 includes an anti-collision cross beam 11 and a left-right integral crushable and deformable longitudinal beam 12, and the longitudinal beam of the present embodiment adopts an integral crushable and deformable tube structure, so as to reduce the investment of a stamping die designed by stamping sheet metal in the conventional design, reduce cost, and increase efficiency. During collision (especially direct collision), the integral crushable deformable longitudinal beam 12 absorbs energy, and the injury to front cabin personnel is reduced.
The front ends of the two integral crushable and deformable longitudinal beams 12 are respectively inserted into and fixed to the left end and the right end of the anti-collision cross beam 11, that is, the front ends of the integral crushable and deformable longitudinal beams 12 are not only inserted into the anti-collision cross beam 11, but also fixed in the anti-collision cross beam 11, and as for what fixing mode, the embodiment is not limited, such as threaded fastening, welding and the like, and the embodiment is preferably welded. But integral type conquassation warp longeron 12 and crashproof crossbeam 11 adopt the mode of pegging graft, have increased the energy-absorbing space that the longeron 12 was warp in integral type conquassation when having guaranteed crashproof crossbeam 11's bending resistance.
Referring to fig. 2, in the present embodiment, the anti-collision beam 11 is a tubular structure, two insertion holes 1111 are respectively formed at the left and right ends of the rear end wall 111 of the anti-collision beam 11, the front ends of the two integral crushable longitudinal beams 12 are respectively inserted into the two insertion holes 1111, and the front end surface of the integral crushable longitudinal beam 12 abuts against the front end wall 112 of the anti-collision beam 11. And, the integral crushable stringers 12 are welded to the insertion hole 1111.
The utility model discloses do not do specific restriction to the shape of crashproof crossbeam 11 and integral type crushable warp longeron 12, if can be circular or square etc.. The shape of the insertion hole 1111 is matched with the cross-sectional shape of the integral crushable and deformable longitudinal beam 12, and if the cross-sectional shape of the integral crushable and deformable longitudinal beam 12 is circular, the insertion hole 1111 is a circular hole; if the cross section of the integral crushable and deformable longitudinal beam 12 is square, the insertion hole 1111 is a square hole.
In this embodiment, the anti-collision cross beam 11 is a square tube structure, and the anti-collision cross beam 11 is enclosed by an upper end wall, the front end wall 112, a lower end wall, and the rear end wall 111; the jack is a square hole; the cross section of the integral crushable deformable stringer 12 is square.
In this embodiment, a plurality of first weakening holes 121 are formed at intervals from front to back in the front section of the integrated crushable longitudinal beam 12, and the plurality of first weakening holes 121 gradually decrease from front to back, so that the integrated crushable longitudinal beam 12 can absorb energy from front to back in a sequential crushing deformation manner in a frontal collision.
According to the bending state of frontal collision (head-on collision) integral type crushable and deformable longitudinal beam 12, be located a plurality of the rear of first weakening hole 121, the surface of integral type crushable and deformable longitudinal beam 12 sets firmly at least one reinforcing plate, be equipped with second weakening hole on the reinforcing plate.
The utility model discloses do not do the restriction to the shape of reinforcing plate, can be flat board, square pipe etc. this embodiment is preferred the reinforcing plate is the U type, and is a plurality of the reinforcing plate fixed cover is in on the longeron 12 is warp in integral type crushable, as for whether the reinforcing plate is from the upper end or the lower pot head establishes on the longeron 12 is warp in integral type crushable, this is that the embodiment does not do the specification. In this embodiment, there is no specific requirement for the reinforcing plate, and one reinforcing plate may be provided, or if there are a plurality of reinforcing plates, the plurality of reinforcing plates are arranged from front to back. Taking two reinforcing plates arranged in tandem as an example, the material of the front reinforcing plate 13 may be HC340/590DP, the material of the rear reinforcing plate 14 may be QSTE700TM, and the rear reinforcing plate 14 is thicker than the front reinforcing plate 13. When a vehicle is in a normal collision, the integral crushable side member 12 is bent and deformed at the first 131 second weakening hole of the front reinforcing plate 13 and then at the second 141 second weakening hole of the rear reinforcing plate 14, and the size of the intrusion of the brake pedal and the accelerator pedal in the cabin is adjusted by controlling the size of the bending (the amount of intrusion is large when the bending is large, namely, the two are in positive correlation), so that the safety of passengers is protected.
In this embodiment, the energy absorbing structure of the chassis of the skateboard further comprises a subframe 2, wherein the subframe 2 is detachably and fixedly connected below the frame 1. The auxiliary frame 2 and the frame 1 can be detached, so that the mounting shaft 4 can be moved backwards and mounted according to requirements under the condition that the surrounding motion envelope does not interfere, and the energy absorption space of the integrated crushable and deformable longitudinal beam 12 is increased.
Further, a plurality of installation axles 4 set firmly on the sub vehicle frame 2, installation axle 4 is fixed on sub vehicle frame 2 through the punching press board of two interval settings with welded form, installation axle 4 passes through threaded fastener (screw, bolt etc.) fixed connection in the below of frame 1 has guaranteed sub vehicle frame 2's fastness.
In the present embodiment, the left and right sides of the front end of the subframe 2 are respectively provided with the box-shaped sub-longitudinal beams 3 (which may also be tubular sub-longitudinal beams or sub-longitudinal beams with a mouth-shaped structure) extending forward, and the box-shaped sub-longitudinal beams 3 can increase the energy absorption caused by the crush deformation of the box-shaped sub-longitudinal beams 3 after a frontal collision while fixing the radiator.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (10)
1. The energy absorption structure of the chassis of the skateboard is characterized by comprising a frame, wherein the frame comprises an anti-collision cross beam and a left integrated crushable and deformable longitudinal beam and a right integrated crushable and deformable longitudinal beam, and the front ends of the two integrated crushable and deformable longitudinal beams are respectively inserted into and fixed in the left end and the right end of the anti-collision cross beam.
2. The energy absorption structure of the skateboard chassis according to claim 1, wherein the anti-collision cross beam is a tubular structure, the left end and the right end of the rear end wall of the anti-collision cross beam are both provided with a jack, the front ends of the two integral crushable and deformable longitudinal beams are respectively inserted into the two jacks, and the front end surfaces of the integral crushable and deformable longitudinal beams abut against the front end wall of the anti-collision cross beam.
3. An energy absorbing structure for a skateboard chassis according to claim 2, wherein the integral crushable stringer is welded to the receptacle.
4. The energy absorbing structure of a skateboard chassis according to claim 2, wherein the anti-collision cross beam is a square tube structure, and is enclosed by an upper end wall, the front end wall, a lower end wall and the rear end wall; the jack is a square hole; the cross section of the integrated crushable deformable longitudinal beam is square.
5. The energy absorbing structure of a skateboard chassis according to claim 1, wherein the front section of the crushable and deformable longitudinal beam is provided with a plurality of first weakening holes at intervals from front to back, and the plurality of first weakening holes become smaller from front to back.
6. The energy absorbing structure of a scooter chassis according to claim 5, wherein the energy absorbing structure is located behind the first weakening holes, the outer surface of the integral crushable stringer is fixedly provided with at least one reinforcing plate, and the reinforcing plate is provided with second weakening holes.
7. The energy absorbing structure of a skateboard chassis according to claim 6, wherein the reinforcing plate is U-shaped, and a plurality of reinforcing plates are fixedly sleeved on the integral crushable and deformable longitudinal beam.
8. The energy absorbing structure of a skateboard chassis according to claim 1, further comprising a sub-frame detachably and fixedly connected below the frame.
9. The energy absorbing structure of a skateboard chassis according to claim 8, wherein a plurality of mounting shafts are fixedly arranged on the subframe, and the mounting shafts are fixedly connected below the frame through threaded fasteners.
10. The energy absorbing structure of a skateboard chassis according to claim 1, wherein box-shaped auxiliary longitudinal beams extend forward from left and right sides of a front end of the auxiliary frame, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222755350.1U CN218519748U (en) | 2022-10-19 | 2022-10-19 | Energy-absorbing structure of skateboard chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222755350.1U CN218519748U (en) | 2022-10-19 | 2022-10-19 | Energy-absorbing structure of skateboard chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218519748U true CN218519748U (en) | 2023-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222755350.1U Active CN218519748U (en) | 2022-10-19 | 2022-10-19 | Energy-absorbing structure of skateboard chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218519748U (en) |
-
2022
- 2022-10-19 CN CN202222755350.1U patent/CN218519748U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201804 room 105, floor 1, building 1, No. 6988, Jiasong North Road, Anting Town, Jiading District, Shanghai jt1788 Patentee after: Youpao Technology (Hefei) Co.,Ltd. Address before: 201804 room 105, floor 1, building 1, No. 6988, Jiasong North Road, Anting Town, Jiading District, Shanghai jt1788 Patentee before: Youpao Automotive Technology (Shanghai) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231108 Address after: 201413 building 4, No. 1588, Xinyang Road, Lingang xinpian District, China (Shanghai) pilot Free Trade Zone, Fengxian District, Shanghai Patentee after: Shanghai Youpao Technology Co.,Ltd. Address before: 201804 room 105, floor 1, building 1, No. 6988, Jiasong North Road, Anting Town, Jiading District, Shanghai jt1788 Patentee before: Youpao Technology (Hefei) Co.,Ltd. |
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| TR01 | Transfer of patent right |