CN111605507A - Soft instrument board gasbag apron structure and car - Google Patents
Soft instrument board gasbag apron structure and car Download PDFInfo
- Publication number
- CN111605507A CN111605507A CN202010361564.3A CN202010361564A CN111605507A CN 111605507 A CN111605507 A CN 111605507A CN 202010361564 A CN202010361564 A CN 202010361564A CN 111605507 A CN111605507 A CN 111605507A
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- CN
- China
- Prior art keywords
- cover plate
- air bag
- bag cover
- rotating shaft
- leather
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
- B60R21/2165—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member characterised by a tear line for defining a deployment opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention provides an air bag cover plate structure of a soft instrument board and an automobile, wherein the air bag cover plate structure comprises a laminated structure, a reinforcing mechanism and a weakening structure; the laminated structure comprises an air bag cover plate, sponge and leather, wherein the air bag cover plate, the sponge and the leather are combined and connected into a whole; the airbag cover plate is connected with the leather into a whole through a reinforcing mechanism; the weakening structure is arranged on the air bag cover plate; the scheme provided by the invention has the advantages of simple and reliable structure, light weight and low cost, and can effectively simplify the process, reduce the development cost and shorten the development period.
Description
Technical Field
The invention belongs to the technical field of automobile airbag cover plate structures, and particularly relates to a soft instrument panel airbag cover plate structure and an automobile.
Background
The soft instrument board has good touch experience and high grade compared with the hard instrument board, so the soft instrument board is favored by consumers. In order to provide better riding experience and safety guarantee for passengers, most of the soft instrument boards on the market at present comprise an air bag cover plate, the air bag cover plate and an instrument board framework are assembled into an integral structure, and the air bag cover plate is formed by adopting a female die suction covering or slush molding process; this results in a complex assembly process, high product development costs and long cycle times.
Based on the technical problems in the airbag cover plate structure, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide an air bag cover plate structure of a soft instrument panel and an automobile aiming at overcoming the defects in the prior art, and aims to solve one of the problems of complex structure, long development period and high cost of the air bag cover plate structure.
The invention provides an air bag cover plate structure of a soft instrument board, which comprises a laminated structure, a reinforcing mechanism and a weakening structure; the laminated structure comprises an air bag cover plate, sponge and leather, wherein the air bag cover plate, the sponge and the leather are combined and connected into a whole; the airbag cover plate is connected with the leather into a whole through a reinforcing mechanism; the weakening structure is arranged on the air bag cover plate.
Further, the weakening structure comprises a weakening line, the weakening line is arranged on the air bag cover plate, and two ends of the weakening line form rotating shaft end points respectively, so that when the safety air bag explodes, the air bag cover plate overturns by taking the rotating shaft end points at two ends of the weakening line as rotating shafts respectively.
Furthermore, one end of the weakening line is bent towards two sides respectively to form a first rotating shaft end point and a fourth rotating shaft end point, and the other end of the weakening line is bent towards two sides respectively to form a second rotating shaft end point and a third rotating shaft end point; when the safety airbag explodes, one side of the airbag cover plate is overturned by taking the end point of the first rotating shaft and the end point of the second rotating shaft as rotating shafts; the other side of the airbag cover plate is overturned by taking the end point of the third rotating shaft and the end point of the fourth rotating shaft as rotating shafts.
Furthermore, the weakening line is an arch-shaped weakening line, and a tearing stop rib is formed at the inward bending part of the end point of the rotating shaft.
Furthermore, the edge of the air bag cover plate is locally thinned to form a hinge groove, the hinge groove is positioned between the tearing stop ribs at the two ends of the weakening line, and the air bag cover plate extends out of the overturning rib position on the side wall to form a hinge structure.
Further, the reinforcing mechanism comprises a sheet metal bracket and a base material framework; the metal plate support and the base material framework are respectively provided with through holes correspondingly; one side edge of the base material framework is fixedly connected with the leather, and the other side edge of the base material framework is bent to form a clamping groove; the protruding edge of the air bag cover plate is pre-embedded with a bolt, the air bag cover plate is clamped in the clamping groove through the protruding edge of the air bag cover plate, and the bolt penetrates through the through holes in the metal plate support and the base material framework and is locked through the nut.
Furthermore, the outline of the metal plate support is consistent with that of the base material framework; the substrate framework is made of PC and ABS materials.
Further, the sponge is respectively bonded with the air bag cover plate and the leather through glue; the air bag cover plate and the leather are connected together through membrane pressure.
Further, the sponge is 3Dmesh sponge; the leather is PU leather; the material of the air bag cover plate is TPO.
Correspondingly, the invention also provides an automobile, which comprises an air bag cover plate structure, wherein the air bag cover plate structure is the air bag cover plate structure of the soft instrument board; the air bag cover plate is arranged on a main driver seat or a secondary driver seat or a steering wheel.
The scheme provided by the invention has the advantages of simple and reliable structure, light weight and low cost, and can effectively simplify the process, reduce the development cost and shorten the development period.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a perspective view of an airbag cover plate structure of a soft instrument panel according to the present invention;
FIG. 2 is a sectional view taken along A-A of FIG. 1;
FIG. 3 is an exploded view of an airbag cover plate of a soft instrument panel according to the present invention;
FIG. 4 is a top view of an airbag cover plate structure of a soft instrument panel according to the present invention.
In the figure: 1. a nut; 2. a sheet metal bracket; 3. a substrate skeleton; 4. an airbag cover plate; 5. a sponge; 6. leather; 7. embedding bolts in advance; 11. a first shaft end point; 12. a second spindle end; 13. a third shaft end point; 14. a fourth shaft end point; 15. tearing the stop rib; 16. a line of weakness; 17. a hinge slot.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 4, the present invention provides an airbag cover plate structure of a soft instrument panel, which comprises a laminated structure, a reinforcing mechanism and a weakening structure; specifically, the laminated structure comprises an air bag cover plate 4, sponge 5 and leather 6, wherein the air bag cover plate 4, the sponge 5 and the leather 6 are combined and connected into a whole, the sponge 5 is 3Dmesh sponge, the leather 6 is PU leather, and the air bag cover plate 4 is made of TPO; the method specifically comprises the following steps: the PU leather, the 3Dmesh sponge and the air bag cover plate are bonded and are formed by adopting film pressing and compounding; further, a sponge 5 is arranged between the airbag cover plate 4 and the leather 6; the air bag cover plate 4 is connected with the leather 6 into a whole through the reinforcing mechanism, and the weakening structure is arranged on the air bag cover plate 4 and can be cracked when the structure of the air bag cover plate is stressed to reach a preset value; the scheme provided by the invention can enrich the structure types of the airbag cover plate of the automobile soft instrument panel and simplify the process, and the airbag cover plate has the characteristics of outstanding appearance, good soft touch, firm structural strength, simple and feasible blasting weakening structure, short product development period, low cost and the like.
Preferably, in combination with the above, as shown in fig. 1 to 4, the weakening structure comprises a weakening line 16, the weakening line 16 being an arcuate weakening line; the weakening line 16 is arranged on the airbag cover plate 4, two ends of the weakening line 16 are respectively provided with a rotating shaft end point, and the rotating shaft end points can respectively turn over the airbag cover plate 4 by taking the rotating shaft end points at the two ends of the weakening line 16 as rotating shafts when the airbag explodes, so that the airbag is ejected.
Preferably, in combination with the above solutions, as shown in fig. 1 to 4, one end of the weakened line 16 is respectively bent towards two sides to form a first rotating shaft end point 11 and a fourth rotating shaft end point 14, and the other end of the weakened line 16 is respectively bent towards two sides to form a second rotating shaft end point 12 and a third rotating shaft end point 13, so that when the airbag is exploded, one side of the airbag cover plate 4 is turned over by using the first rotating shaft end point 11 and the second rotating shaft end point 12 as rotating shafts; and the other side of the airbag cover plate 4 is overturned by taking the third rotating shaft endpoint 13 and the fourth rotating shaft endpoint 14 as rotating shafts, so that the whole airbag cover plate 4 is torn open, and the airbag is convenient to pop out.
Preferably, in combination with the above solutions, as shown in fig. 1 to 4, a tear stop rib 15 is formed at an inward bending point of the end point of the rotating shaft, that is, the tear stop rib 15 is designed at the tail end of the weakening line 16 to prevent the airbag cover panel 4 from generating fragments, the airbag cover panel 4 tears and turns over along the arcuate weakening line, and the tearing ends at the tear stop rib 15; specifically, a first tearing stop rib is formed at the bending position of the first rotating shaft end point 11, a second tearing stop rib is formed at the bending position of the second rotating shaft end point 12, a third tearing stop rib is formed at the bending position of the third rotating shaft end point 13, and a fourth tearing stop rib is formed at the bending position of the fourth rotating shaft end point 14; by adopting the weakening structure, the normal bursting function of the PAB can be effectively ensured.
Preferably, in combination with the above solution, as shown in fig. 1 to 4, the edge of the airbag cover plate 4 is locally thinned to form a hinge slot 17, the hinge slot 17 is located between the tear stop ribs 15 at the two ends of the weakened line 16, and the airbag cover plate 4 forms a hinge structure at the position where the side wall extends out of the turnover rib; specifically, the weakening line 16 is an arc-shaped weakening line, the edge of the airbag cover plate 4 is locally thinned, the material thickness accumulation during overturning is reduced, and an overturning rib position extends out of the side wall to form a simple hinge structure; the tail end of the weakening line 16 is provided with a tearing stop rib 15 to prevent the cover plate from generating fragments, the air bag cover plate 4 is torn and overturned along the arch-shaped weakening line, and the tearing is terminated at the tearing stop rib 15.
Preferably, in combination with the above scheme, as shown in fig. 1 to 4, the reinforcing mechanism includes a sheet metal bracket 2 and a base material framework 3; the metal plate bracket 2 and the base material framework 3 are respectively provided with through holes correspondingly; one side edge of the base material framework 3 is fixedly connected with the leather 6, and the other side edge of the base material framework 3 is bent to form a clamping groove; bolts 7 are pre-buried on the convex edges of the air bag cover plate 4, the air bag cover plate 4 is clamped in the clamping grooves through the convex edges, and the bolts 7 penetrate through the through holes in the metal plate bracket 2 and the base material framework 3 so as to be locked through the nuts 1; in the scheme, the integral reinforcing structure is formed by the pre-embedded bolts 7, the base material framework 3 with the through holes, the conformal sheet metal bracket 2 and the nuts 1, which are integrated with the air bag cover plate 4, and is arranged in the weak stress area of the base material framework 3; the design of air bag apron 4 has limit structure and joint structure, and on substrate skeleton 3 was installed with mosaic assembly mode to its limit structure and joint structure, this additional strengthening arranged in the weak region of substrate skeleton 3 atress, guaranteed under the extreme environment, still kept sufficient intensity, satisfied the blasting demand.
Preferably, in combination with the above scheme, as shown in fig. 1 to 4, the sheet metal bracket 2 and the base material framework 3 have the same outline, the through holes on the sheet metal bracket 2 and the base material framework 3 correspond to each other, and the through holes and the corresponding bolts have the characteristic of concentricity; furthermore, the metal plate support 2 and the substrate framework 3 are tightly attached to the airbag cover plate 4 and fastened with the airbag cover plate through the bolts 7 and the nuts 1 to form an integral structure, and the integral structure has enough strength, so that the requirement of the substrate framework 3 being not fragile under stress in a low-temperature limit environment (35 ℃ below zero) is met, and the PAB has a normal blasting function; in particular, the substrate skeleton 3 has good rigidity, in particular made of PC and ABS materials.
In the above scheme, the weakening structure for blasting on the airbag cover plate 4 is shown in fig. 4, a weakening line 16 is specifically designed on the airbag cover plate 4, and the weakening line 16 is specifically an arcuate weakening line, which is used for limiting the turning track of the airbag cover plate 4 during PAB blasting; the hinge groove 17 is locally thinned at the edge of the air bag cover plate 4, and the side wall of the air bag cover plate 4 extends out of a turnover rib position to form a simple turnover hinge structure; the ends 11 and 12 of the line of weakness 16 form the axis of rotation 11-12 and the ends 13 and 14 of the line of weakness form the axis of rotation 13-14; in order to prevent fragments from being generated in the unfolding process of the air bag cover plate 4, a tearing stop rib 15 is designed at the tail end of the weakening line 16; further, based on the structure, when the PAB explodes, the airbag cover plate 4 is firstly torn from the center axis of the arch-shaped weakening line under the impact force, the airbag cover plate 4 overturns by respectively taking 11-12 and 13-14 as rotating shafts along with the expansion of the tearing degree, and the thickness of materials accumulated at the rotating shaft formed by the overturning of the airbag cover plate 4 is reduced by the hinge grooves 17 which are locally thinned; when the PAB is exploded, the airbag cover 4 completes tearing and turning along the locus of the weakening line 16, and the tearing is terminated at the tearing stop rib 15.
Preferably, in combination with the above solution, as shown in fig. 1 to 4, the sponge 5 is adhered to the airbag cover 4 and the leather by glue; the air bag cover plate 4 and the leather 6 are connected together through membrane pressure; this can efficiently connect the airbag cover 4, the sponge 5, and the leather 6 into one.
Correspondingly, in combination with the above scheme, as shown in fig. 1 to 4, the present invention further provides an automobile, including an airbag cover plate structure, wherein the airbag cover plate structure is the above soft instrument panel airbag cover plate structure; the air bag cover plate is arranged on a main driver seat or a secondary driver seat or a steering wheel.
The scheme provided by the invention has the advantages of simple and reliable structure, light weight and low cost, and can effectively simplify the process, reduce the development cost and shorten the development period.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. A soft instrument board air bag cover plate structure is characterized by comprising a laminated structure, a reinforcing mechanism and a weakening structure; the laminated structure comprises an air bag cover plate (4), a sponge (5) and leather (6), the air bag cover plate (4), the sponge (5) and the leather (6) are combined and connected into a whole, and the sponge (5) is arranged between the air bag cover plate (4) and the leather (6); the air bag cover plate (4) is connected with the leather (6) into a whole through the reinforcing mechanism; the weakening structure is arranged on the airbag cover plate (4).
2. The soft instrument panel and air bag cover plate structure according to claim 1, wherein the weakening structure comprises a weakening line (16), the weakening line (16) is arranged on the air bag cover plate (4), and two ends of the weakening line (16) respectively form rotating shaft end points, so that when the air bag is exploded, the air bag cover plate (4) is respectively overturned by taking the rotating shaft end points at the two ends of the weakening line (16) as rotating shafts.
3. The soft instrument panel airbag cover plate structure of claim 2, wherein one end of the weakened line (16) is respectively bent to two sides to form a first rotating shaft end point (11) and a fourth rotating shaft end point (14), and the other end of the weakened line (16) is respectively bent to two sides to form a second rotating shaft end point (12) and a third rotating shaft end point (13); when the safety air bag is exploded, one side of the air bag cover plate (4) is turned over by taking the first rotating shaft end point (11) and the second rotating shaft end point (12) as rotating shafts; the other side of the air bag cover plate (4) is overturned by taking the third rotating shaft end point (13) and the fourth rotating shaft end point (14) as rotating shafts.
4. The soft instrument panel air bag cover plate structure according to claim 2 or 3, characterized in that the weakening line (16) is an arc-shaped weakening line, and a tearing stop rib (15) is formed at the inward bending part of the rotating shaft end point.
5. The soft instrument panel and air bag cover plate structure according to claim 4, wherein the edge of the air bag cover plate (4) is locally thinned to form a hinge groove (17), the hinge groove (17) is positioned between the tearing stop ribs (15) at the two ends of the weakening line (16), and the air bag cover plate (4) forms a hinge structure at the position of the side wall extending out of the overturning rib.
6. The soft instrument panel airbag cover plate structure of claim 1, wherein the reinforcing mechanism comprises a sheet metal bracket (2) and a substrate skeleton (3); the metal plate support (2) and the base material framework (3) are respectively and correspondingly provided with through holes; one side edge of the base material framework (3) is fixedly connected with the leather (6), and the other side edge of the base material framework (3) is bent to form a clamping groove; bolts (7) are pre-buried on the convex edges of the air bag cover plate (4), the air bag cover plate (4) is clamped in the clamping grooves through the convex edges, and the bolts (7) penetrate through the sheet metal support (2) and the through holes in the base material framework (3) so as to be locked through the nuts (1).
7. The soft instrument panel airbag cover plate structure of claim 1, wherein the sheet metal bracket (2) and the base material framework (3) have the same contour; the base material framework (3) is made of PC and ABS materials.
8. The soft instrument panel and air bag cover plate structure according to claim 1, wherein the sponge (5) is bonded with the air bag cover plate (4) and the leather respectively through glue; the air bag cover plate (4) and the leather (6) are connected together through film pressure.
9. The soft instrument panel airbag cover plate structure of claim 1, wherein the sponge (5) is 3Dmesh sponge; the leather (6) is PU leather; the material of the air bag cover plate (4) is TPO.
10. An automobile comprising an airbag cover plate structure, wherein the airbag cover plate structure is the soft instrument panel airbag cover plate structure of any one of claims 1 to 9; the airbag cover plate structure is arranged on a main driver seat or a co-driver seat or a steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361564.3A CN111605507A (en) | 2020-04-30 | 2020-04-30 | Soft instrument board gasbag apron structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361564.3A CN111605507A (en) | 2020-04-30 | 2020-04-30 | Soft instrument board gasbag apron structure and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111605507A true CN111605507A (en) | 2020-09-01 |
Family
ID=72203042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010361564.3A Pending CN111605507A (en) | 2020-04-30 | 2020-04-30 | Soft instrument board gasbag apron structure and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111605507A (en) |
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Application publication date: 20200901 |