CN214189805U - Front top cross beam for automobile body and automobile body - Google Patents
Front top cross beam for automobile body and automobile body Download PDFInfo
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- CN214189805U CN214189805U CN202021736495.1U CN202021736495U CN214189805U CN 214189805 U CN214189805 U CN 214189805U CN 202021736495 U CN202021736495 U CN 202021736495U CN 214189805 U CN214189805 U CN 214189805U
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Abstract
The utility model belongs to the automotive filed specifically provides a preceding top crossbeam and auto body for auto body. The utility model discloses it is lower to aim at solving partial automobile front top crossbeam intensity and rigidity, and automobile body's preceding wind window glass can be damaged by the top air bag that the point explodes, and impaired preceding wind window glass has not only increased maintenance glass's after then expense, can prick the healthy problem of gasbag harm copilot passenger even. Mesh for this reason, the utility model discloses a preceding top crossbeam for automobile body, wherein the inside of preceding top crossbeam is equipped with the cavity, and the intussuseption of cavity is filled with the stereoplasm filler, still is provided with the packing support frame in the cavity, and the stereoplasm filler is filled in the packing support frame. The utility model discloses a set up the stereoplasm filler in the cavity of preceding top crossbeam, promoted the intensity of preceding top crossbeam, when top air bag point explodes, preceding top crossbeam can effectively resist and warp, avoids causing unexpected loss because of the preceding windscreen that top air bag struck automobile body.
Description
Technical Field
The utility model belongs to the technical field of the car, specifically provide a preceding top crossbeam and auto body for auto body.
Background
Because of the modeling and the function of certain types of automobiles, the strength and the rigidity of the front top beam are low, and when an emergency situation occurs, the top airbag installed on the front top beam explodes, so that the front top beam is stressed to cause overlarge local deformation and deform towards the inner direction of the automobile. The position of the roof airbag changes when the front roof cross beam is locally deformed, and particularly under extreme conditions (such as high-temperature test), the front windshield of the automobile body is hit by the ignited roof airbag to form cracks, and the front windshield may be even broken by the roof airbag. The broken front windshield glass is easy to puncture the air bag, so that the air bag can not effectively protect the passenger and the health of the passenger is harmed. Even if the front windshield is not broken by the roof airbag but is merely struck to form a crack, the expense of post repair glass is increased.
Accordingly, there is a need in the art for a new front cross member for an automotive body and an automotive body that addresses the above-mentioned problems in the prior art.
SUMMERY OF THE UTILITY MODEL
Roof crossbeam intensity and rigidity are lower before the car to some models that exist among the prior art, and car body's preceding windshield glass can be hit by the top air bag that the point explodes and hit, and the preceding windshield glass who is hit hits the quilt forms crackle very easily or even breakage, has increased the expense of after service glass, and broken preceding windshield glass still punctures the gasbag easily and endangers the healthy problem of copilot passenger moreover, the utility model provides a preceding roof crossbeam for car body, the inside of preceding roof crossbeam is equipped with the cavity intussuseption is filled with the stereoplasm filler, still be provided with the packing support frame in the cavity, the stereoplasm filler is filled in the packing support frame.
In the above preferred technical scheme for the front top cross beam of the automobile body, the filling support frame and the cavity are arranged separately.
In the above preferred technical solution for the front roof rail of the automobile body, the space between the filling support frame and the cavity is also filled with hard filler.
In the above preferred technical solution for the front roof rail of the automobile body, the cavity and the filler support frame are integrally formed.
In the above preferred technical solution for the front roof rail of the automobile body, the hard filler is a foamed rubber; and/or the like and/or,
the filling support frame is made of glass fiber reinforced nylon, aluminum alloy or steel; and/or the like and/or,
the height of the cross section of the cavity is greater than or equal to 18 mm.
In the above preferred technical solution for the front roof cross beam of the automobile body, the filling support frame includes an upper filling cavity close to the top of the automobile body and a lower filling cavity close to the inside of the automobile body, and the filling volume of the upper filling cavity is smaller than that of the lower filling cavity.
In the above preferred technical solution for the front roof rail of the automobile body, the lower filling cavity penetrates through a length direction of the filling support frame.
In the above preferred technical solution for the front roof rail of the automobile body, the upper filling cavities are arranged at intervals in the length direction of the filling support frame.
In the above preferred technical scheme for the front roof cross beam of the automobile body, the filling support frame includes an upper filling cavity close to the top of the automobile body and a lower filling cavity close to the inside of the automobile body, and a communicating pore passage is arranged between the upper filling cavity and the lower filling cavity.
The utility model also provides an automobile body, automobile body includes any one of above-mentioned technical scheme a preceding top crossbeam for automobile body.
The technical scheme of the utility model wherein, in the preceding top crossbeam for automobile body, the inside of preceding top crossbeam is equipped with the cavity, and it has the stereoplasm filler to fill in the cavity, still is provided with the filling support frame in the cavity, and the stereoplasm filler is filled in the filling support frame.
Through the mode, make the utility model discloses a set up the stereoplasm filler in the cavity of preceding top crossbeam, promoted the intensity and the rigidity of preceding top crossbeam, when top air bag point explodes, preceding top crossbeam can effectively resist and warp to avoid top air bag to cause the loss because of hitting the preceding windscreen of car automobile body.
Drawings
The front roof rail for a motor vehicle body according to the invention is described below with reference to the drawings. In the drawings:
fig. 1 is an exploded view of the structure of a middle front top beam of the present invention;
FIG. 2 is a schematic front view of the packing support of FIG. 1;
FIG. 3 is a schematic view of the back side of the filling carriage of FIG. 2;
FIG. 4 is a schematic structural view of the front cross member of the present invention mounted on the body of the automobile;
fig. 5 is an exploded view of the structure of fig. 4.
List of reference numerals:
1-front top beam, 11-front top beam upper plate, 12-front top beam lower plate, 2-filling support frame, 21-upper filling cavity, 22-lower filling cavity, 23-communicating pore channel, 3-cavity, 4-top safety air bag and 5-front windshield glass.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the description has been given by taking the communicating duct 23 as a cylindrical hole, it is obvious that the present invention can adopt other similar means, such as a waist hole for the communicating duct 23, as long as the communicating duct 23 can facilitate the injection circulation.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, 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 by those skilled in the art according to specific situations.
As shown in fig. 1, fig. 4 and fig. 5, in order to solve the problem that the strength and rigidity of the existing automobile front top beam of some models are low, the front windshield glass 5 of the automobile body can be hit by the top airbag 4 which is exploded, the hit front windshield glass 5 is easy to crack or even break, the overhead of repairing the glass after the accident is increased, and the broken front windshield glass is easy to puncture the top airbag 4 and endanger the health of the passenger. Wherein, the inside of the front top beam 1 is provided with a cavity 3, and the corresponding cavity 3 is an aluminum metal plate cavity. The height of the cross section of the cavity 3 is 18mm or more. The cavity 3 is filled with a hard filler (not shown in the figure), and the hard filler may be foam rubber or the like to improve the strength and rigidity of the cavity 3, wherein the foam rubber is hard epoxy rubber.
If the cavity 3 is small, the overall structural strength and rigidity of the front roof crossmember 1 are directly reduced, and the overall height dimension of the cavity 3 can be kept within a safe range by ensuring that the height of the cross section of the cavity 3 is greater than or equal to 18mm, so that the front roof crossmember 1 has the bending resistance meeting the quality requirement. Through filling stereoplasm fillers such as expanded polystyrene, enable 3 solid cores of cavity, be difficult to warp more in the middle of the collision impact's that receives external force process to make the overall structure of preceding top crossbeam 1 more firm.
In order to further improve the strength and rigidity of the front top cross beam 1, the present embodiment may further be provided with a filling support frame 2 in the cavity 3, and a hard filler is filled in the filling support frame 2, as shown in fig. 1. In particular, the filling carriage 2 may be arranged in a position opposite to the copilot of the car, i.e. in a position above the copilot. The material of the filling support frame 2 can be glass fiber reinforced nylon, aluminum alloy or steel material. The filling support frame 2 and the cavity 3 can be integrally formed or separately arranged. When a split structure is adopted between the filling support frame 2 and the cavity 3, hard filler can be filled between the filling support frame 2 and the cavity 3. In addition, the hard filler may be provided integrally with the filler support frame.
In this embodiment, the filling support frame 2 tends to deform due to the impact force generated when the top airbag 4 is just exploded, and at this time, the filling support frame 2 can be prevented from deforming by the hard filler arranged between the bottom end of the filling support frame 2 and the cavity 3, and if the impact force is too large, the filling support frame 2, the hard filler inside the filling support frame 2 and the front top cross beam 1 are integrally matched to prevent deformation.
The setting mode has the advantages that: set up stereoplasm filler and packing support frame 2 in the cavity 3 of preceding top crossbeam 1, promoted the intensity and the rigidity of preceding top crossbeam 1, when top air bag 4 point explodes, preceding top crossbeam 1 can effectively resist the deformation to avoid top air bag 4 to cause the loss because of hitting the preceding windscreen 5 of automobile body.
In a possible embodiment, as shown in fig. 2 to 3, an upper filling cavity 21 near the top of the vehicle body and a lower filling cavity 22 near the interior of the vehicle body may also be provided in the filling carriage 2. The lower filling cavity 22 penetrates through the length direction of the filling support frame 2, the upper filling cavity 21 is arranged at intervals in the length direction of the filling support frame 2 (the length direction of the filling support frame 2 in this embodiment refers to the direction of the longest side of the filling support frame 2), the filling volume of the upper filling cavity 21 is smaller than that of the lower filling cavity 22, and a communicating pore passage 23 can be arranged between the upper filling cavity 21 and the lower filling cavity 22. The hard filler is filled in the upper filling cavity 21 and the lower filling cavity 22, i.e., the diagonal portions in fig. 2 and 3.
The setting mode has the advantages that: this embodiment is through filling chamber 21 and lower filling chamber 22 in setting up, can increase the intensity and the rigidity of filling support frame 2, and set up the bigger lower filling chamber 22 of packing volume in order to fill more stereoplasm fillers, can make the first half bearing capacity of filling support frame 2 weak slightly, the latter half bearing capacity is strong slightly, when bearing the impact, can effectually prevent to fill support frame 2 and warp to the inside direction of automobile body, thereby make top air bag 4 above installing can not to the displacement in the car, just also can more effectually guarantee passenger's life safety. In addition, because the top airbag 4 does not move towards the inside of the vehicle, the distance between the top airbag 4 and the front windshield glass 5 can be effectively ensured, and the top airbag 4 is prevented from being broken and leaking gas to lose efficacy when the top airbag 4 is propped open and the front windshield glass 5 is damaged by impact and slag is generated. Through the through filling of the lower filling cavity 22 and the interval filling of the upper filling cavity 21, the supporting force of the lower half part of the filling support frame 2 can be more effectively ensured to be higher than that of the upper half part. This embodiment still sets up the intercommunication pore 23 to the circulation of moulding plastics, thereby can guarantee to once accomplish the injection moulding who fills chamber 21 and lower filling chamber 22, avoided filling in the branch and probably led to the fact and formed the crack, filler cooling is uneven, the many times fill complicated and complex operation scheduling problem of process in filling chamber 21 and the lower filling chamber 22.
In the embodiment, the safety performance of the automobile body is improved by strengthening the structure of the front top cross beam. So that some automobiles with special design models can simultaneously meet the design requirements of comfort, beauty and safety. Even though the size of the front top cross beam is reduced, the strength and the rigidity of the front top cross beam are not influenced, more space can be provided for the automobile cab, and the comfort degree of the cab is improved. And the existing vehicle type parts and connection modes are used to a great extent, so that the cost is reduced.
To sum up, the utility model discloses a set up stereoplasm filler and packing support frame 2 in the cavity 3 of preceding top crossbeam 1 to pack chamber 21 and lower packing chamber 22 on packing support frame 2 sets up, promoted preceding top crossbeam 1's intensity and rigidity, make it effectively resist the deformation, thereby avoid top air bag 4 to cause the loss because of hitting preceding windscreen 5 of car automobile body. And through special structural design, make the upper and lower structure atress ability of filling support frame 2 uneven, avoided top air bag 4 striking front windshield glass 5 or directly pound the condition emergence in the automobile body in order to threaten passenger's personal safety.
It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can adjust the above-mentioned structure without deviating from the principle of the present invention, so that the present invention can be applied to more specific application scenarios.
Furthermore, the utility model also provides an automobile body, this automobile body have in any one of the above-mentioned embodiment be used for automobile body's preceding top crossbeam.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a preceding top crossbeam for automobile body, its characterized in that, the inside of preceding top crossbeam is equipped with the cavity intussuseption is filled with the stereoplasm filler, still be provided with the packing support frame in the cavity, the stereoplasm filler is filled in the packing support frame, the packing support frame is including being close to last filling chamber at automobile body top and being close to the inside lower filling chamber of automobile body, and the filling volume in last filling chamber is less than the filling volume in lower filling chamber.
2. The front cross-head rail for an automotive body of claim 1, wherein the filler support bracket is separate from the cavity.
3. The front cross member for automobile bodies according to claim 2, wherein a hard filler is also filled between the filler support bracket and the cavity.
4. The front cross-head rail for an automotive body of claim 1, wherein the cavity is integrally formed with the filler support bracket.
5. The front cross-head rail for an automobile body according to claim 1, wherein the hard filler is a foamed rubber; and/or the like and/or,
the filling support frame is made of glass fiber reinforced nylon, aluminum alloy or steel; and/or the like and/or,
the height of the cross section of the cavity is greater than or equal to 18 mm.
6. The front cross-head rail for an automobile body according to claim 1, wherein the lower filling cavity extends through a length direction of the filling support frame.
7. The front cross member for automobile bodies as claimed in claim 1, wherein the upper filling cavities are provided at intervals in a length direction of the filling support frame.
8. The front cross member for an automobile body according to any one of claims 1 to 5, wherein a communication hole is provided between the upper filling chamber and the lower filling chamber.
9. An automotive body, characterized in that it comprises a front cross-head for an automotive body according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021736495.1U CN214189805U (en) | 2020-08-19 | 2020-08-19 | Front top cross beam for automobile body and automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021736495.1U CN214189805U (en) | 2020-08-19 | 2020-08-19 | Front top cross beam for automobile body and automobile body |
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| Publication Number | Publication Date |
|---|---|
| CN214189805U true CN214189805U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021736495.1U Active CN214189805U (en) | 2020-08-19 | 2020-08-19 | Front top cross beam for automobile body and automobile body |
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| Country | Link |
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| CN (1) | CN214189805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665527A (en) * | 2021-09-27 | 2021-11-19 | 中国第一汽车股份有限公司 | Safety airbag system and control method |
-
2020
- 2020-08-19 CN CN202021736495.1U patent/CN214189805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665527A (en) * | 2021-09-27 | 2021-11-19 | 中国第一汽车股份有限公司 | Safety airbag system and control method |
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