CN203157917U - Automotive dashboard airbag door - Google Patents
Automotive dashboard airbag door Download PDFInfo
- Publication number
- CN203157917U CN203157917U CN 201320180717 CN201320180717U CN203157917U CN 203157917 U CN203157917 U CN 203157917U CN 201320180717 CN201320180717 CN 201320180717 CN 201320180717 U CN201320180717 U CN 201320180717U CN 203157917 U CN203157917 U CN 203157917U
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- CN
- China
- Prior art keywords
- air bag
- carrier panel
- door
- instrument carrier
- plastic gas
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a dashboard airbag door, in particular to an automotive dashboard airbag door which comprises an upper dashboard body, a plastic airbag door body and an airbag reinforcing frame. The airbag reinforcing frame is fixedly connected with the back of the upper dashboard body, an opening is reserved at an airbag outlet of the upper dashboard body, the plastic airbag door body and the upper dashboard body are subjected to injection molding at the opening, and strength of a to-be-torn unfolding part of the plastic airbag door body is lower than that of other parts of the plastic airbag door body. When an airbag needs to be unfolded, the airbag can break through a weakened part of the plastic airbag door body to be unfolded. Part of materials at the airbag outlet of the upper dashboard body is saved, cost is saved, and weight of a dashboard airbag door structure is reduced.
Description
Technical field
The utility model relates to a kind of Automobile instrument air bag doors, particularly a kind of inserts integrated car instrument carrier panel air bag doors.
Background technology
Along with the attention for safety with people of popularizing of automobile, at the passenger side instrument carrier panel of automobile safety air bag is installed and is become more and more general.Safety air bag generally is installed in the instrument carrier panel airbag door structure, and at present common instrument carrier panel plastic gas bag door is independent installing type structure as shown in Figure 1, comprises instrument carrier panel upper body 1, plastic gas bag door 2 and air bag reinforced bulkhead 3.Plastic gas bag door 2 and 3 injection mo(u)ldings of air bag reinforced bulkhead, air bag reinforced bulkhead 3(contains plastic gas bag door 2) frictional vibration is welded to the laterodorsal air bag of 1 passenger exit, instrument carrier panel upper body (being position shown in the dotted line among Fig. 1).For the air bag that give to expand provides the path of expansion, plastic gas bag door 2 will leave the space between the two when carrying out injection moulding with air bag reinforced bulkhead 3, is convenient to plastic gas bag door 2 expansion of can overturning; Simultaneously, owing to be positioned at plastic gas bag door 2 outsides in the instrument carrier panel upper body 1 in air bag exit, therefore need carry out three limit laser reductions to instrument carrier panel upper body 1 herein, make plastic gas bag door 2 can when airbag deployment, break through outer field instrument carrier panel upper body 1.Mounted instrument carrier panel airbag door structure is seen Fig. 2 and shown in Figure 3.
The main interior trim instrument carrier panel decoration function that rises in instrument carrier panel upper body 1 wherein, and provide point of connection for other parts; Air bag reinforced bulkhead 3 is mainly air bag or plastic gas bag door 2 provides point of connection; The effect of plastic gas bag door 2 is, when airbag deployment, makes air bag doors around Unscrew on one side wherein, in order to provide the path for the further expansion of air bag.
Plastic gas bag door 2 is owing to need satisfy certain intensity requirements, generally select the thermoplastic elastomer of TPO(polyolefins for use) material, because plastic gas bag door 2 and the air bag reinforced bulkhead 3 of this structure need carry out injection mo(u)lding, therefore the material of plastic gas bag door 2 and air bag reinforced bulkhead 3 should be consistent, and air bag reinforced bulkhead 3 has to select for use equally the more expensive TPO material of price.In addition, instrument carrier panel upper body 1 also must have material to fill in the location of plastic gas bag door 2.Therefore there is the shortcoming of cost height, Heavy Weight in traditional instrument carrier panel airbag door structure.
The utility model content
For this reason, the purpose of this utility model provides a kind of novel instrument carrier panel airbag door structure, reduces its cost and weight.
For achieving the above object, the utility model has been taked following technical scheme:
Automobile instrument air bag doors of the present utility model, comprise the instrument carrier panel upper body, plastic gas bag door and air bag reinforced bulkhead, described air bag reinforced bulkhead is captiveed joint with the back side of described instrument carrier panel upper body, air bag exit in described instrument carrier panel upper body is provided with opening, described plastic gas bag door is in described opening part and the upper body injection mo(u)lding of described instrument carrier panel, the intensity at other positions of the described plastic gas bag door of intensity ratio that the waiting of described plastic gas bag door torn expansion place is lower, make described plastic gas bag door waiting that tearing expansion place tears expansion, be convenient to air bag and go out described instrument carrier panel upper body from this.
Preferably, described plastic gas bag door is U-shaped air bag doors or H shape air bag doors or Y shape air bag doors, and described plastic gas bag door is according to the air bag doors type of selecting, and waits to tear the expansion place processing that weakens at described plastic gas bag door.
Preferably, described plastic gas bag door material is the thermoplastic elastic material of polyolefins.
Preferably, described plastic gas bag door is installed on the passenger side of described instrument carrier panel upper body.
Preferably, the back side frictional vibration welding of described air bag reinforced bulkhead and described instrument carrier panel upper body is fixing.
Because plastic gas bag door and the injection mo(u)lding of instrument carrier panel upper body by using airbag door structure of the present utility model, have been saved the material of instrument carrier panel upper body in plastic gas bag door zone.Under the situation that satisfies original performance fully, instrument carrier panel airbag door structure of the present utility model has alleviated pts wt, has reduced cost.
Description of drawings
Fig. 1 is the parts exploded view of conventional instrument plate airbag door structure;
Fig. 2 is the structural representation after parts shown in Figure 1 are installed;
Fig. 3 is A-A generalized section among Fig. 2;
Fig. 4 is inserts integrated through injection molding formula airbag door structure parts exploded view of the present utility model;
Fig. 5 is the structural representation after parts shown in Figure 4 are installed;
Fig. 6 is B-B generalized section among Fig. 5.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail.
As shown in Figure 4, inserts integrated through injection molding formula airbag door structure of the present utility model comprises instrument carrier panel upper body 4, plastic gas bag door 5 and air bag reinforced bulkhead 3.The difference part of instrument carrier panel upper body 4 and traditional instrument carrier panel upper body 1 is that the air bag exit of instrument carrier panel upper body 4 arranges an opening, is convenient to carry out the inserts injection moulding with plastic gas bag door 5.Plastic gas bag door 5 is in opening part and instrument carrier panel upper body 4 insert injection molding of instrument carrier panel upper body 4, and air bag reinforced bulkhead 3 preferred frictional vibrations are welded to the back side of instrument carrier panel upper body 4 passenger side.
Plastic gas bag door 5 waits to tear the expansion place processing that weakens at it.The crippled mode of instrument carrier panel airbag door structure has following several at present: laser reduction, cryoprobe reduction, hot cutter reduction, milling cutter reduction, injection moulding reduction.Generally speaking, the laser reduction is applicable to " instrument carrier panel epidermis+foaming+skeleton " structure, " instrument carrier panel epidermis (band foam or nonwoven fabrics)+skeleton " structure, " instrument board framework " structure; Cryoprobe reduction and the reduction of hot cutter are applicable to " instrument carrier panel epidermis (band foam or nonwoven fabrics) " structure; Milling cutter reduction and injection moulding reduction are applicable to " instrument board framework " structure.Preferably adopt the laser reduction in the present embodiment, make to be easier to tear by reduction place, thereby when air bag need launch, provide deployment paths for air bag.Plastic gas bag door 5 adopts the TPO material, and the air bag reinforced bulkhead adopts the filling-modified acrylic resin of 4PP+GF30(30% roving glass fiber) material.Mounted instrument carrier panel air bag doors is seen Fig. 5-shown in Figure 6.
Because the 5 independent injection mouldings of plastic gas bag door, do not need again and the 3 one injection mouldings of air bag reinforced bulkhead, so air bag reinforced bulkhead 3 can be selected comparatively cheap material for use, as the PP+GF30 material, and need not select the comparatively TPO material of costliness the same with plastic gas bag door 5 for use.Also save the part material in plastic gas bag door 5 installation places of instrument carrier panel upper body 4 in addition, reduced weight, saved cost.Through the checking of instrument carrier panel air bag bursting test, this kind inserts integral type airbag door structure can satisfy test requirements document.
What select for use in the above-described embodiments is that U-shaped airbag door structure common in the instrument carrier panel air bag doors describes, the utility model also can be used for other air bag doors type, as H shape air bag doors or Y shape air bag doors, as long as according to the air bag doors type of specifically selecting for use, corresponding position to the plastic gas bag door carries out the laser reduction, is convenient to opening of plastic gas bag door and gets final product.
Obviously, those of ordinary skill in the art can produce various instrument carrier panel airbag door structures with inserts integrated through injection molding formula based on the utility model.
Above-described embodiment is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the utility model spirit and scope; can also make a variety of changes and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (5)
1. Automobile instrument air bag doors, comprise instrument carrier panel upper body, plastic gas bag door and air bag reinforced bulkhead, described air bag reinforced bulkhead is captiveed joint with the back side of described instrument carrier panel upper body, it is characterized in that, air bag exit in described instrument carrier panel upper body is provided with opening, described plastic gas bag door is in described opening part and the upper body injection mo(u)lding of described instrument carrier panel, and the intensity at other positions of the described plastic gas bag door of intensity ratio that the waiting of described plastic gas bag door torn expansion place is lower.
2. Automobile instrument air bag doors according to claim 1 is characterized in that, described plastic gas bag door is U-shaped air bag doors or H shape air bag doors or Y shape air bag doors.
3. Automobile instrument air bag doors according to claim 1 is characterized in that, described plastic gas bag door material is the thermoplastic elastic material of polyolefins.
4. Automobile instrument air bag doors according to claim 1 is characterized in that, described plastic gas bag door is installed on the passenger side of described instrument carrier panel upper body.
5. Automobile instrument air bag doors according to claim 1 is characterized in that, the back side of described air bag reinforced bulkhead and described instrument carrier panel upper body is fixing by the frictional vibration welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180717 CN203157917U (en) | 2013-04-11 | 2013-04-11 | Automotive dashboard airbag door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180717 CN203157917U (en) | 2013-04-11 | 2013-04-11 | Automotive dashboard airbag door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203157917U true CN203157917U (en) | 2013-08-28 |
Family
ID=49019126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320180717 Expired - Fee Related CN203157917U (en) | 2013-04-11 | 2013-04-11 | Automotive dashboard airbag door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203157917U (en) |
-
2013
- 2013-04-11 CN CN 201320180717 patent/CN203157917U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 |