CN217320283U - Anticollision roof beam and vehicle - Google Patents
Anticollision roof beam and vehicle Download PDFInfo
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- CN217320283U CN217320283U CN202220554825.8U CN202220554825U CN217320283U CN 217320283 U CN217320283 U CN 217320283U CN 202220554825 U CN202220554825 U CN 202220554825U CN 217320283 U CN217320283 U CN 217320283U
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Abstract
The utility model discloses an anticollision roof beam, include: the anti-collision beam comprises an anti-collision beam body, wherein an accommodating space is formed in the anti-collision beam body; the first damping mechanism is arranged in the accommodating space and arranged along the front-back direction and is used for buffering and damping when the anti-collision beam body is impacted from the front; and the second damping mechanism is arranged in the accommodating space and arranged at the two ends of the length direction of the anti-collision beam for buffering and damping when the anti-collision beam body is impacted laterally. The utility model discloses an anticollision roof beam can better buffer absorption with reduce anticollision roof beam openly or the produced impact force when the side receives the collision to improve driver and crew's personal safety in the car.
Description
Technical Field
The utility model belongs to the technical field of the automobile parts technique and specifically relates to an anticollision roof beam and vehicle are related to.
Background
Currently, with the increase of automobile reserves, each large automobile enterprise pays more and more attention to the driving safety problem, especially the vehicle collision safety. When the automobile is impacted by external force, the anti-collision beam is a first safety barrier for absorbing external impact force and protecting the automobile body structure from being damaged, and meanwhile, the anti-collision beam also plays a role in protecting the safety of passengers. The anti-collision beam of the traditional automobile is generally rigidly connected with the automobile body, and when the front, the rear or the side of the automobile is impacted by external force, the anti-collision beam can only play a role in buffering through larger plastic deformation generated by the anti-collision beam and the automobile body. However, when the anti-collision beam deforms to the maximum, the force generated by collision can extrude the automobile space, and further cause injury to drivers and passengers in the automobile.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an anticollision roof beam to it is not enough to solve among the prior art anticollision roof beam shock-absorbing capacity, thereby leads to the vehicle impaired, the injured problem of driver and crew in the car.
The utility model discloses still aim at providing a vehicle to use above-mentioned anticollision roof beam.
According to the utility model discloses anticollision roof beam, include: the anti-collision beam comprises an anti-collision beam body, wherein an accommodating space is formed in the anti-collision beam body; the first damping mechanism is arranged in the accommodating space and arranged along the front-back direction and is used for buffering and damping when the anti-collision beam body is subjected to frontal impact; and the second damping mechanism is arranged in the accommodating space and arranged at the two ends of the length direction of the anti-collision beam for buffering and damping when the anti-collision beam body is impacted laterally.
According to the utility model discloses anticollision roof beam through this internal accommodation space that is provided with of anticollision roof beam, sets up the first damper who arranges along the fore-and-aft direction in the accommodation space, sets up the second damper who is located anticollision roof beam length direction's both ends in the accommodation space, can show the crashworthiness that improves the anticollision roof beam to produced impact force when can better buffering absorption and reduction anticollision roof beam openly or the side receives the collision improves driver and crew's personal safety in the car.
In some embodiments, the first shock absorbing mechanism includes a plurality of cavity members spaced apart along a length of the impact beam body, a cavity of each of the cavity members is filled with a medium and the cavity members are collapsible.
In some embodiments, a filling pipe for filling a medium is provided on the cavity component, and the filling pipe is provided on the impact beam body and extends out of the beam wall of the impact beam body.
In some embodiments, a plurality of mounting grooves are formed in the anti-collision beam body, the mounting grooves and the cavity components are arranged in a one-to-one correspondence manner, and each cavity component is partially mounted in the corresponding mounting groove.
In some embodiments, the impact beam body comprises: the body part is a cavity beam body, and the accommodating space is arranged in the body part; the supporting seat is arranged in the body, one end of the first damping mechanism is connected with the body, the other end of the first damping mechanism is connected with the supporting seat, one end of the second damping mechanism is connected with the anti-collision beam body, and the other end of the second damping mechanism is connected with the supporting seat.
In some embodiments, a guide portion is provided in the body portion, the guide portion extends along a length direction of the body portion, and the support seat is provided on the guide portion to move along the length direction of the body portion under the guidance of the guide portion.
In some embodiments, the beam walls at both ends in the longitudinal direction of the body portion are configured as bent walls including a first portion extending in the front-rear direction and a second portion inclined toward the side of the middle portion of the body portion, one end of the second portion being connected to the first portion and the other end being connected to the front beam wall of the body portion.
In some embodiments, an included angle is formed between the second portion and the front beam wall, and the included angle is 120-145 °.
In some embodiments, the second shock absorbing mechanism comprises: one end of the first elastic piece is connected with the supporting seat, and the other end of the first elastic piece is connected with the first part; and one end of the second elastic piece is connected with the supporting seat, and the other end of the second elastic piece is connected with the second part.
According to the utility model discloses vehicle, the vehicle includes foretell anticollision roof beam. Through set up foretell anticollision roof beam on the vehicle, can effectively cushion and absorb the impact that the vehicle was openly, afterbody or side received, reduce the destruction degree of external force to the vehicle, greatly improve driver and passenger's safety in the car simultaneously.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of an anti-collision beam according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a first damper mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of FIG. 2 taken along A-A;
fig. 4 is a schematic structural view of a body part in an embodiment of the present invention;
FIG. 5 is a schematic structural view of a support base according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a guide portion in an embodiment of the present invention;
fig. 7 is a schematic structural view of a second damper mechanism according to an embodiment of the present invention.
Reference numerals:
100. an anti-collision beam;
10. an impact beam body; 10a, an accommodating space; 101. a body portion; 1011. bending the wall; 10111. a first portion; 10112. a second portion; 1012. a front beam wall; 101a and an included angle; 102. a supporting seat; 1021. mounting grooves; 11. a guide section;
20. a first damper mechanism; 201. a cavity member; 2011. filling the pipeline; 2012. a cavity cover plate; 201a, a cavity;
30. a second damper mechanism; 301. a first elastic member; 302. a second elastic member; 3021. a spring cover plate; 3022. a damping spring; 3023. a spring housing;
40. a bolt; 41. and a nut.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention.
Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring now to fig. 1-7, an impact beam 100 in accordance with an embodiment of the present invention is described.
As shown in fig. 1, according to the utility model discloses an anticollision roof beam 100 includes: the impact beam includes an impact beam body 10, a first shock absorbing mechanism 20, and a second shock absorbing mechanism 30.
An accommodating space 10a is arranged in the anti-collision beam body 10; the first shock absorption mechanism 20 is arranged in the accommodating space 10a and arranged along the front-rear direction, and is used for buffering and absorbing shock when the impact beam body 10 is impacted from the front; the second damper mechanisms 30 are disposed in the accommodating space 10a, and the second damper mechanisms 30 are disposed at both ends of the impact beam 100 in the longitudinal direction, for performing cushioning when the impact beam body 10 is laterally impacted.
It can be understood that, because be equipped with accommodation space 10a in the crashproof roof beam body 10 for crashproof roof beam body 10 is whole to be the cavity structure, when receiving the striking, crashproof roof beam body 10 warp and causes accommodation space 10a shrink, can absorb the striking and play buffering anticollision effect. Secondly, when the impact beam 100 is impacted by external force on the front surface, the impact beam body 10 itself deforms, and the first damping mechanism 20 can also absorb and reduce the impact external force on the front surface, so that the front impact performance is improved again. When the side of the impact beam 100 is impacted, the second damping mechanism 30 can damp the impact force of the side, so as to improve the side impact resistance. Therefore, the anti-collision beam body 10, the first damping mechanism 20 and the second damping mechanism 30 are matched with each other to play a role in multiple anti-collision, and a better anti-collision effect is achieved.
According to the utility model discloses anticollision roof beam 100 is provided with accommodation space 10a through crashproof roof beam body 10, set up the first damper 20 of arranging along the fore-and-aft direction in the accommodation space 10a, set up the second damper 30 that is located crashproof roof beam 100 length direction's both ends in the accommodation space 10a, can show the crashworthiness that improves anticollision roof beam 100, produced impact force when can better shock absorption and reduction anticollision roof beam 100 openly or the side receives the collision, improve driver and crew's personal safety in the car.
In some embodiments, as shown in fig. 2 and 3, the first shock absorbing mechanism 20 includes a plurality of cavity members 201, the plurality of cavity members 201 are spaced apart along the length of the impact beam body 10, the cavity 201a of each cavity member 201 is filled with a medium, and the cavity members 201 are retractable. It can be understood that the cavity 201a of the cavity component 201 is filled with a medium, which may be gas or liquid, when the impact beam body 10 is impacted, the impact force is transmitted to the cavity component 201, so that the cavity component 201 is deformed, the medium in the cavity component 201 can absorb the impact energy, for example, the medium can absorb the impact energy through gas compression or liquid compression, and the first shock absorbing mechanism 20 can provide a better buffering and shock absorbing effect, thereby improving the impact performance of the impact beam 100.
In some embodiments, as shown in fig. 2 and 3, a filling pipe 2011 for filling a medium is provided on the cavity member 201, and the filling pipe 2011 is provided on the impact beam body 10 and extends out of the beam wall of the impact beam body 10. It can be understood that a cavity cover plate 2012 is arranged on the upper cover of the cavity component 201, a filling pipe 2011 is arranged on the cavity cover plate 2012, and the filling pipe 2011 extends out of the beam wall of the anti-collision beam body 10, so that a medium can be filled conveniently. This filling pipe 2011 has one-way conductivity, can only fill the medium promptly, and the medium can not leak from cavity part 201 to form good sealed effect between cavity apron 2012 and the cavity part 201, guarantee that cavity part 201 has lasting good buffering cushioning effect.
In some embodiments, the cavity member 201 may be a bladder air spring, i.e., the medium filled inside is air.
In some embodiments, the cavity member 201 may be a hydraulic rod, i.e. the medium filled inside is hydraulic oil.
In some embodiments, as shown in fig. 1, 4 and 5, a plurality of installation grooves 1021 are formed in the impact beam body 10, the installation grooves 1021 and the cavity members 201 are arranged in a one-to-one correspondence, and each cavity member 201 is partially installed in the corresponding installation groove 1021. It can be understood that the rear end of the cavity member 201 is directly mounted in the mounting groove 1021, and the front end of the cavity member is abutted against the front side wall of the impact beam body 10, so that the cavity member 201 is simple and convenient to mount, and the difficulty in manufacturing the impact beam 100 can be reduced. And the cavity part 201 and the mounting groove 1021 form a plug-in structure, so that the mounting stability of the cavity part 201 can be ensured. Specifically, a person skilled in the art may set the shape of the mounting groove 1021 according to needs, for example, the mounting groove 1021 may be a circular groove, and for example, the mounting groove 1021 may also be a square groove.
In some embodiments, as shown in fig. 4 and 5, the impact beam body 10 includes a body portion 101 and a support seat 102, the body portion 101 is a cavity beam body, and an accommodating space 10a is provided in the body portion 101; the support seat 102 is disposed in the main body 101, one end of the first damping mechanism 20 is connected to the main body 101 and the other end is connected to the support seat 102, and one end of the second damping mechanism 30 is connected to the impact beam body 10 and the other end is connected to the support seat 102. It can be understood that the support seat 102 is disposed on the body 101 of the cavity beam to improve the overall strength of the impact beam 10, and to improve the safety of the impact beam 10, and when an external force impacts the impact beam 10, the support seat 102 can support the first damping mechanism 20 and the second damping mechanism 30 to cushion and dampen the external force.
In some embodiments, as shown in fig. 1 and 6, a guide part 11 is provided in the body part 101, the guide part 11 extends along a length direction of the body part 101, and a support base 102 is provided on the guide part 11 to move along the length direction of the body part 101 under the guidance of the guide part 11. When the impact beam body 10 is impacted laterally, the guide portion 11 can guide the support seat 102 to move along the length direction of the body portion 101, so that the impact force is converted into the contraction of the second damping mechanism 30 and the movement of the support seat 102, and the buffering and energy absorbing effects are better.
Specifically, as shown in fig. 5 and 6, the guiding portion 11 may be configured as a trapezoidal groove, the supporting seat 102 is a trapezoidal slider, and the trapezoidal slider is engaged in the trapezoidal groove, so that the trapezoidal slider can be prevented from sliding and limited, and the trapezoidal slider is prevented from separating from the trapezoidal groove.
In some embodiments, as shown in fig. 4, the beam walls at both ends in the length direction of the body part 101 are configured as a bent wall 1011, the bent wall 1011 includes a first portion 10111 and a second portion 10112, the first portion 10111 extends in the front-rear direction, the second portion 10112 is inclined toward the middle side of the body part 101, one end of the second portion 10112 is connected to the first portion 10111, and the other end is connected to the front beam wall 1012 of the body part 101. It can be understood that, by setting the beam walls at the two ends of the length direction of the main body 101 as the bent walls 1011 including the first portion 10111 and the second portion 10112, the first portion 10111 can bear the side forward impact, the second portion 10112 can bear the side oblique impact, so as to better bear the side impact in multiple directions, because the first portion 10111 and the second portion 10112 are wall surfaces with a certain area, the impact force can be dispersed when bearing the impact, the deformation degree of the main body 101 is reduced, and the effect of buffering and absorbing the side impact force can be better achieved when the second damping mechanism 30 is matched.
In some embodiments, as shown in fig. 4, the second portion 10112 and the front beam wall 1012 form an included angle 101a therebetween, and the included angle 101a ranges from 120 ° to 145 °. That is, the angle 101a formed between the second portion 10112 and the front beam wall 1012 is set within this range so that the bent wall 1011 can provide a good collision avoidance effect. The included angle 101a may be understood as any one of values 120 °, 125 °, 130 °, 132 °, 135 °, 140 °, and 145 °, which is only illustrated here, and the included angle 101a only needs to be any one of values 120 ° to 145 ° in practice, and is not described here any more.
In some embodiments, as shown in fig. 7, the second damping mechanism 30 includes a first elastic member 301 and a second elastic member 302, one end of the first elastic member 301 is connected to the supporting seat 102, and the other end is connected to the first portion 10111; one end of the second elastic member 302 is connected to the supporting seat 102 and the other end is connected to the second portion 10112. It can be understood that the two ends of the first elastic member 301 are respectively connected to the first portion 10111 and the support seat 102, and the two ends of the second elastic member 302 are respectively connected to the second portion 10112 and the support seat 102. When the side surface of the body portion 101 is positively subjected to an impact force, the first portion 10111 receives the impact and transmits the impact force to the first elastic member 301 to perform a side surface positive buffer collision. When the side surface of the body portion 101 is obliquely impacted, the second portion 10112 receives the impact and transmits the impact to the second elastic member 302, so as to perform the oblique-side buffering impact.
In some embodiments, the first elastic member 301 is disposed perpendicular to the first portion 10111, and the second elastic member 302 is disposed perpendicular to the second portion 10112, so that the impact force can be transmitted in the axial direction of the first elastic member 301 and the second elastic member 302 when the impact force is applied, thereby maximally damping the impact of the first elastic member 301 and the second elastic member 302.
In some embodiments, the first resilient member 301 is rotatably coupled to the support base 102 and the first portion 10111, and the second resilient member 302 is rotatably coupled to the support base 102 and the second portion 10112 to facilitate assembly.
Specifically, the first elastic member 301 and the second elastic member 302 have the same structure, for example, the second elastic member 302 may include a spring cover 3021, a damper spring 3022, and a spring housing 3023, the spring cover 3021 of the first elastic member 301 and the second elastic member 302 is mounted on the second portion 10112 by a bolt 40 and a nut 41, and the spring housing is also connected to the support seat 102 by another bolt 40 and another nut 41.
A specific embodiment of the impact beam 100 of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-7, the impact beam 100 includes: the impact beam includes an impact beam body 10, a first shock absorbing mechanism 20, and a second shock absorbing mechanism 30.
An accommodating space 10a is arranged in the anti-collision beam body 10; the first shock absorption mechanism 20 is arranged in the accommodating space 10a and arranged along the front-rear direction, and is used for buffering and absorbing shock when the impact beam body 10 is impacted from the front; the second damper mechanisms 30 are disposed in the accommodating space 10a, and the second damper mechanisms 30 are disposed at both ends of the impact beam 100 in the longitudinal direction, for performing cushioning when the impact beam body 10 is laterally impacted.
The first shock absorbing mechanism 20 includes a plurality of cavity members 201, the cavity members 201 are air springs, the plurality of cavity members 201 are spaced apart along the length direction of the impact beam body 10, a cavity 201a of each cavity member 201 is filled with a medium, and the cavity members 201 are retractable.
Be equipped with the filling pipe 2011 that is used for the filling medium on cavity part 201, the filling medium is the air, and the filling pipe 2011 is established on crashproof roof beam body 10 and is stretched out the roof beam wall of crashproof roof beam body 10.
Be equipped with a plurality of mounting grooves 1021 in the anticollision roof beam body 10, mounting groove 1021 is circular recess, and a plurality of mounting grooves 1021 and a plurality of cavity part 201 one-to-one set up, and every cavity part 201 part is installed in the mounting groove 1021 that corresponds.
The anti-collision beam body 10 comprises a body part 101 and a support seat 102, wherein the body part 101 is a cavity beam body, and an accommodating space 10a is arranged in the body part 101; the support seat 102 is disposed in the main body 101, one end of the first damping mechanism 20 is connected to the main body 101 and the other end is connected to the support seat 102, and one end of the second damping mechanism 30 is connected to the impact beam body 10 and the other end is connected to the support seat 102.
The body 101 is provided with a guide portion 11, the guide portion 11 is a trapezoidal groove, the guide portion 11 extends along the length direction of the body 101, the support base 102 is provided on the guide portion 11 to move along the length direction of the body 101 under the guidance of the guide portion 11, and the support base 102 is a trapezoidal slider.
The beam walls at both ends in the length direction of the body part 101 are configured as bent walls 1011, the bent walls 1011 include a first part 10111 and a second part 10112, the first part 10111 extends in the front-rear direction, the second part 10112 inclines toward the middle side of the body part 101, one end of the second part 10112 is connected to the first part 10111 and the other end is connected to the front beam wall 1012 of the body part 101.
An included angle 101a is formed between the second portion 10112 and the front beam wall 1012, and the included angle 101a ranges from 120 degrees to 145 degrees.
The second damping mechanism 30 includes a first elastic member 301 and a second elastic member 302, one end of the first elastic member 301 is connected to the supporting seat 102 and the other end is connected to the first portion 10111; one end of the second elastic member 302 is connected to the supporting seat 102 and the other end is connected to the second portion 10112. Specifically, the first elastic member 301 and the second elastic member 302 have the same structure, and each of the first elastic member 301 and the second elastic member 302 includes a spring cover 3021, a shock absorbing spring 3022, and a spring housing 3023, wherein the spring cover 3021 of the first elastic member 301 and the second elastic member 302 is mounted on the second portion 10112 through a bolt 40 and a nut 41, and the spring housing is also connected to the supporting seat 102 through the bolt 40 and the nut 41.
According to the utility model discloses the vehicle, including foretell anticollision roof beam 100.
According to the utility model discloses vehicle, through set up foretell anticollision roof beam 100 on the vehicle, can effective buffering absorb the impact that vehicle front, afterbody or side received, reduce the destruction degree of external force to the vehicle to driver and crew's safety in the car is greatly improved.
In the description of the present specification, reference to the description of "some embodiments," "optionally," "further" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An impact beam, comprising:
the anti-collision beam comprises an anti-collision beam body, wherein an accommodating space is formed in the anti-collision beam body;
the first damping mechanism is arranged in the accommodating space and arranged along the front-back direction and is used for buffering and damping when the anti-collision beam body is subjected to frontal impact;
and the second damping mechanism is arranged in the accommodating space and arranged at the two ends of the length direction of the anti-collision beam for buffering and damping when the anti-collision beam body is impacted laterally.
2. The impact beam of claim 1, wherein the first shock absorbing mechanism includes a plurality of cavity members spaced apart along a length of the impact beam body, a cavity of each of the cavity members being filled with a medium and the cavity members being collapsible.
3. An impact beam as claimed in claim 2, wherein said cavity member is provided with a filling duct for filling a medium, said filling duct being provided on said impact beam body and extending beyond the beam wall of said impact beam body.
4. The impact beam of claim 3, wherein a plurality of mounting slots are formed in the impact beam body, a plurality of mounting slots are formed in one-to-one correspondence with a plurality of cavity members, and each cavity member is partially mounted in a corresponding mounting slot.
5. The impact beam of claim 1, wherein the impact beam body comprises:
the body part is a cavity beam body, and the accommodating space is arranged in the body part;
the supporting seat is arranged in the body, one end of the first damping mechanism is connected with the body, the other end of the first damping mechanism is connected with the supporting seat, one end of the second damping mechanism is connected with the anti-collision beam body, and the other end of the second damping mechanism is connected with the supporting seat.
6. The impact beam of claim 5, wherein a guide portion is provided in the body portion, the guide portion extending in a longitudinal direction of the body portion, and the support seat is provided on the guide portion to move in the longitudinal direction of the body portion under the guide of the guide portion.
7. The impact beam as claimed in claim 6, wherein the beam walls at both ends in the longitudinal direction of the body portion are configured as bent walls, the bent walls including a first portion extending in the front-rear direction and a second portion inclined toward the side of the middle portion of the body portion, one end of the second portion being connected to the first portion and the other end being connected to the front beam wall of the body portion.
8. An impact beam as claimed in claim 7, wherein said second portion forms an included angle with said front beam wall, said included angle being in the range of 120 ° to 145 °.
9. The impact beam of claim 7, wherein the second shock absorbing mechanism comprises:
one end of the first elastic piece is connected with the supporting seat, and the other end of the first elastic piece is connected with the first part;
and one end of the second elastic piece is connected with the supporting seat, and the other end of the second elastic piece is connected with the second part.
10. A vehicle, characterized in that it comprises an impact beam as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220554825.8U CN217320283U (en) | 2022-03-10 | 2022-03-10 | Anticollision roof beam and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220554825.8U CN217320283U (en) | 2022-03-10 | 2022-03-10 | Anticollision roof beam and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN217320283U true CN217320283U (en) | 2022-08-30 |
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| CN202220554825.8U Active CN217320283U (en) | 2022-03-10 | 2022-03-10 | Anticollision roof beam and vehicle |
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| CN (1) | CN217320283U (en) |
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- 2022-03-10 CN CN202220554825.8U patent/CN217320283U/en active Active
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