CN210502594U - Mesh for safety airbag frame area of automobile instrument panel - Google Patents
Mesh for safety airbag frame area of automobile instrument panel Download PDFInfo
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- CN210502594U CN210502594U CN201921398058.0U CN201921398058U CN210502594U CN 210502594 U CN210502594 U CN 210502594U CN 201921398058 U CN201921398058 U CN 201921398058U CN 210502594 U CN210502594 U CN 210502594U
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- instrument panel
- frame area
- automobile instrument
- airbag
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Abstract
The utility model discloses a mesh for the safety airbag frame area of the automobile instrument panel, which comprises a longitudinal fiber unit extending along the direction of the explosion stretching force of the safety airbag and a transverse fiber unit vertical to the longitudinal fiber unit; the mesh has a folding part in the extending direction of the longitudinal fiber unit, the folding part is formed by bending and folding the mesh, and a covering layer is arranged between opposite overlapping surfaces of the folding part. This screen cloth is through setting up horizontal fibre unit and vertical fibre unit and folding portion for the problem that debris splashed when automobile air bag opened among the prior art can be solved to this screen cloth, thereby protects user's safety.
Description
Technical Field
The invention relates to a mesh cloth, in particular to a mesh cloth for an airbag frame of an automobile instrument panel.
Background
A copilot airbag on an automobile is installed below an instrument panel. When the collision airbag is exploded, the airbag is exploded and opened from the instrument panel and is inflated, so that the passenger in the copilot is protected. In this case, it is necessary that plastic chips and the like do not fly out during the opening of the instrument panel to avoid injury to the occupant.
For this purpose, the airbag frame region of the prior art is designed in a special manner. For example, aramid scrim of two densities 1500D and 3000D is used for injection molding reinforcement.
For example: chinese patent publication No. CN108000963A, published as 2018, 5, month 8, entitled "a composite material for an automobile airbag cover" discloses a composite material for an automobile airbag cover. In the technical solution disclosed in this patent document, an air bag frame region is reinforced with 3000D aramid yarn.
However, in the actual use process, when an automobile is collided, especially when an instrument panel air bag is exploded and unfolded, the opening force of a frame cover plate of the air bag cannot be adjusted, so that the situation of splashing of explosives still occurs, and the risk of injury to a human body is generated.
Based on this, expect to obtain a screen cloth that is used for header board air bag safety box area, this screen cloth can solve above-mentioned prior art not enough well to ensure that the gasbag region can turn over the air bag apron fast when the gasbag explosion expandes, avoid taking place the human injury that the explosive splashes and lead to.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a screen cloth for header board air bag frame is regional, this screen cloth has solved the not enough of prior art well, and it is through the way that sets up folding portion, realizes the hinge upset of the instrument board apron when the gasbag point explodes the expansion to ensure that the gasbag region can overturn the gasbag apron fast when the gasbag explosion expands.
In order to achieve the above object, the present invention provides a mesh for an airbag frame area of an instrument panel, which includes a longitudinal fiber unit extending along a direction of an airbag bursting tension force and a transverse fiber unit perpendicular thereto; the mesh has a folding portion in the extending direction of the longitudinal fiber unit, the folding portion is formed by bending and folding the mesh, and a covering layer is arranged between opposite overlapping surfaces of the folding portion.
A screen cloth for header board air bag frame region in, when air bag explodes, folding portion folding in advance can realize cushioning effect through expanding on the longitudinal fibre unit extending direction. In some embodiments, the deployment state of the instrument panel airbag cover panel may be adjusted by adjusting the folding parameters and dimensions of the web (e.g., depth of fold, number of folds, etc.).
In some embodiments, the portion of the mesh in contact with the instrument panel is integrally connected to the instrument panel by an injection molding process.
When the airbag is exploded and unfolded, the part of the mesh, which is in contact with the instrument panel, is unfolded along with the instrument panel, the folding part of the mesh is stretched and unfolded, and the unfolded mesh area can pull the instrument panel connected with the mesh, so that the flying-off is avoided.
Mesh cloth in, the structure of arranging of longitudinal fibre unit can optimize the selection as required to apron is to the pulling force of instrument board when making it can bear the gasbag explosion and expand, can ensure the instrument board gasbag apron clean when opening again.
The mesh cloth can be adjusted in material, density or quantity according to needs, so that the instrument panel cover plate can be turned over when the airbag of the instrument panel explodes.
In addition, it should be noted that the covering layer can play a role in preventing plastic particles from penetrating during injection molding, and further effectively ensures smooth expansion of the mesh cloth.
In addition, in some embodiments, the mesh may be provided with a plurality of fixing holes, or the mesh may be adaptively cut to increase the bonding strength on the instrument panel during injection molding.
Further, be used for the regional screen cloth of header board air bag frame in, the folding portion is the S type at the ascending cross-section of thickness direction.
Further, be used for among the regional screen cloth of header board air bag frame, each folding portion is equipped with a layer that hides.
Further, be used for among the regional screen cloth of header board air bag frame, the layer that covers is set up at the folding portion fixedly.
In some embodiments, the cover layer may be sewn with stitches, glued or otherwise secured at the fold as would occur to those skilled in the art.
Further, be used for the regional screen cloth of header board air bag frame in, cover the layer and include a unit layer or a plurality of unit layer that superposes together on thickness direction.
Further, be used for the regional screen cloth of header board air bag frame in, the unit layer is non-woven fabrics unit layer or sticky tape unit layer.
Therefore, the covering layer can be formed by a single-layer or a plurality of non-woven fabric layers, a single-layer or a plurality of adhesive tape layers, or a composite of one or more non-woven fabric layers and adhesive tape layers.
Further, be used for the regional screen cloth of header board air bag frame in the utility model, the material of vertical fibre unit is selected from: aramid and/or polyester.
In the above scheme, the material specification and the weaving density of the longitudinal fiber unit can be adjusted according to the specific situation of the implementation mode in consideration of different stress requirements.
Further, be used for the regional screen cloth of header board air bag frame in, vertical fibre unit includes a bundle of vertical fibre or a plurality of bundles of vertical fibre that are arranged in parallel each other.
Further, be used for the regional screen cloth of header board air bag frame in, horizontal fibre unit includes two bundles of horizontal fibre that strand woven each other at least.
Further, be used for the regional screen cloth of header board air bag frame in, the surface coating of screen cloth has the binder layer.
In the above scheme, the binder layer can guarantee the smoothness and hardness of the screen cloth, and the screen cloth shape in the present case is fixed.
Be used for regional screen cloth of header board air bag frame have following beneficial effect:
a screen cloth for header board air bag frame through setting up horizontal fibre unit and vertical fibre unit and folding portion, make for header board air bag frame's screen cloth can solve the problem that debris splashed when automobile air bag opened among the prior art to protection user's safety.
Drawings
Fig. 1 schematically shows the arrangement of the longitudinal fiber units and the transverse fiber units of the mesh for the airbag frame area of the automobile instrument panel in some embodiments.
Fig. 2 is a schematic structural view of the mesh for the airbag frame area of the dashboard in some embodiments.
Fig. 3 schematically shows the arrangement of the longitudinal fiber units and the transverse fiber units of the mesh for the airbag frame area of the automobile instrument panel according to another embodiment of the present invention.
Fig. 4 schematically shows the arrangement of the longitudinal fiber units and the transverse fiber units of the mesh fabric for the airbag frame area of the automobile instrument panel according to the present invention in further embodiments.
Detailed Description
The present invention will be further explained and illustrated with reference to the following specific examples and the accompanying drawings, which, however, should not be construed as unduly limiting the technical solution of the present invention.
Fig. 1 schematically shows the arrangement of the longitudinal fiber units and the transverse fiber units of the mesh for the airbag frame area of the automobile instrument panel in some embodiments.
As shown in fig. 1, in the present embodiment, a mesh fabric for an airbag frame region of an instrument panel includes longitudinal fiber units 1 extending in a direction of an airbag bursting tension and transverse fiber units 2 perpendicular thereto.
As can be seen with further reference to fig. 1, in the present embodiment, the longitudinal fibre unit 1 comprises a bundle of longitudinal fibres, while the transverse fibre unit 2 comprises two bundles of transverse fibres twisted with respect to each other. In this embodiment, the material of the longitudinal fibre unit may be selected from: aramid and/or polyester.
It is to be noted that in the present embodiment, there is a fold in the extension direction of the longitudinal fibre unit 1, the fold being formed by bending and folding a web, and between the opposite overlapping faces of the fold there is provided a cover layer, and further reference is made to fig. 2 with regard to the structure of the fold.
Fig. 2 is a schematic structural view of the mesh for the airbag frame area of the dashboard in some embodiments.
As shown in fig. 2, the upper region I and the lower region III of the unfolded region of the mesh may be connected to the instrument panel at their upward and downward extensions, respectively, while the folded portion II is used to ensure the hinge extension length when the upper cover of the instrument panel is opened, thereby preventing the explosive from splashing. As can be seen from the figure, the covering layer is arranged between the opposite overlapping surfaces of the folding part II, so that plastic particles can be prevented from penetrating during injection molding, and smooth unfolding of mesh cloth can be effectively guaranteed.
In some embodiments, the covering layer may be a non-woven fabric or an adhesive tape. In other preferred embodiments, in order to obtain better effect, for example, for high temperature resistance, the covering layer may be configured to include a unit layer or several unit layers stacked together in the thickness direction, and the unit layers may be a non-woven fabric unit layer or an adhesive tape unit layer.
It is noted that the folds of the fold II are schematically shown as one layer in fig. 2, but it is conceivable that in some preferred embodiments the folds of the fold II may be several layers, that is to say that the opposing overlapping faces of the folds may have several pairs. When there are several pairs of oppositely overlapping surfaces, a cover layer may be provided on each pair of oppositely disposed overlapping surface brackets. Alternatively, only one cover layer may be provided, whether there are sets of opposing overlapping surfaces or layers of corrugations.
In some embodiments, the cover layer may be fixedly disposed within the fold, for example, by stitching or glue.
In view of the flatness and stiffness of the scrim, in some embodiments, it may be preferable to coat the surface of the scrim with a layer of adhesive.
Fig. 3 schematically shows the arrangement of the longitudinal fiber units and the transverse fiber units of the mesh for the airbag frame area of the automobile instrument panel according to another embodiment of the present invention.
As shown in fig. 3, the longitudinal fiber unit 1 in the present embodiment includes two bundles of longitudinal fibers 11 arranged in parallel with each other, unlike the longitudinal fiber unit shown in fig. 1. In the present embodiment, the transverse fiber unit 2 includes two transverse fibers 21 twisted with each other.
Fig. 4 schematically shows the arrangement of the longitudinal fiber units and the transverse fiber units of the mesh fabric for the airbag frame area of the automobile instrument panel according to the present invention in further embodiments.
As shown in fig. 4, the longitudinal fiber unit 1 in the present embodiment includes three bundles of longitudinal fibers 11 arranged in parallel with each other, unlike the longitudinal fiber unit shown in fig. 1. In the present embodiment, the transverse fiber unit 2 includes two transverse fibers 21 twisted with each other.
It is noted that in some other embodiments, the transverse fibre unit 2 may also comprise three, four or some other number of mutually twisted transverse fibres. The arrangement and weaving mode of the transverse fiber units 2 and the longitudinal fiber units can be adjusted according to the specific situation of each embodiment.
In conclusion, can see out, be used for regional screen cloth of header board air bag safety box to have solved the not enough of prior art well, can utilize simple aramid fiber or the folding way of dacron fibre screen cloth, realize the gasbag point and explode the hinge upset of instrument board apron when expandeing to ensure that the gasbag region can overturn the gasbag apron back fast when the gasbag explosion expandes, avoid the explosive to splash, and then guarantee user of service's safety.
It should be noted that the prior art in the protection scope of the present invention is not limited to the embodiments given in the present application, and all the prior art which is not contradictory to the solution of the present invention, including but not limited to the prior patent documents, the prior publications, and the like, can be incorporated into the protection scope of the present invention.
In addition, the combination of the features in the present application is not limited to the combination described in the claims of the present application or the combination described in the embodiments, and all the features described in the present application may be freely combined or combined in any manner unless contradictory to each other.
It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is obvious that the present invention is not limited to the above embodiments, and similar changes or modifications can be directly derived or easily suggested by those skilled in the art from the disclosure of the present invention, and all should fall within the protection scope of the present invention.
Claims (10)
1. A mesh for the safety airbag frame area of an automobile instrument panel comprises a longitudinal fiber unit extending along the direction of the explosion stretching force of an safety airbag and a transverse fiber unit perpendicular to the longitudinal fiber unit; the method is characterized in that: the mesh cloth is provided with a folding part in the extending direction of the longitudinal fiber unit, the folding part is formed by bending and folding the mesh cloth, and a covering layer is arranged between opposite overlapping surfaces of the folding part.
2. The mesh fabric for an airbag frame area of an automobile instrument panel according to claim 1, wherein the cross section of the folded portion in the thickness direction is S-shaped.
3. The web for an airbag frame area in an automotive instrument panel according to claim 1, wherein each of said folded portions is provided with a covering layer.
4. The mesh for an airbag frame area in an automobile instrument panel according to claim 1, wherein the covering layer is fixedly provided at the folded portion.
5. The mesh for an airbag frame area of an automobile instrument panel according to claim 1, wherein the covering layer comprises one unit layer or a plurality of unit layers stacked together in a thickness direction.
6. The mesh fabric for the frame area of an airbag in an automobile instrument panel according to claim 5, wherein the unit layers are unit layers of non-woven fabric or unit layers of adhesive tape.
7. The mesh fabric for an airbag frame area of an automobile instrument panel according to claim 1, wherein the material of the longitudinal fiber unit is selected from the group consisting of: aramid and/or polyester.
8. The mesh fabric for an airbag frame area of an automobile instrument panel according to claim 1, wherein the longitudinal fiber unit comprises a bundle of longitudinal fibers or a plurality of bundles of longitudinal fibers arranged in parallel with each other.
9. The mesh fabric for an airbag frame area in an automobile instrument panel according to claim 1, wherein the transverse fiber unit comprises at least two transverse fibers twisted with each other.
10. The mesh for an airbag frame area in an automobile instrument panel according to claim 1, wherein a surface of the mesh is coated with an adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398058.0U CN210502594U (en) | 2019-08-27 | 2019-08-27 | Mesh for safety airbag frame area of automobile instrument panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398058.0U CN210502594U (en) | 2019-08-27 | 2019-08-27 | Mesh for safety airbag frame area of automobile instrument panel |
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| CN210502594U true CN210502594U (en) | 2020-05-12 |
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| CN201921398058.0U Active CN210502594U (en) | 2019-08-27 | 2019-08-27 | Mesh for safety airbag frame area of automobile instrument panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030305A (en) * | 2020-08-25 | 2020-12-04 | 嘉兴市牛大科技有限公司 | Buffer type double-thread knitting method for increasing movable stroke |
| CN115074888A (en) * | 2022-07-14 | 2022-09-20 | 嘉兴市牛大科技有限公司 | Forming method for safety air bag mesh cloth |
-
2019
- 2019-08-27 CN CN201921398058.0U patent/CN210502594U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030305A (en) * | 2020-08-25 | 2020-12-04 | 嘉兴市牛大科技有限公司 | Buffer type double-thread knitting method for increasing movable stroke |
| CN115074888A (en) * | 2022-07-14 | 2022-09-20 | 嘉兴市牛大科技有限公司 | Forming method for safety air bag mesh cloth |
| CN115074888B (en) * | 2022-07-14 | 2024-04-30 | 嘉兴市牛大科技有限公司 | Forming method for safety airbag mesh cloth |
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