CN209634423U - A kind of U-shaped concealed foamed instrument panel air bag doorframe structure - Google Patents
A kind of U-shaped concealed foamed instrument panel air bag doorframe structure Download PDFInfo
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- CN209634423U CN209634423U CN201920387913.1U CN201920387913U CN209634423U CN 209634423 U CN209634423 U CN 209634423U CN 201920387913 U CN201920387913 U CN 201920387913U CN 209634423 U CN209634423 U CN 209634423U
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- China
- Prior art keywords
- air bag
- boundary wall
- doorframe
- doors
- explosion
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Abstract
The utility model discloses a kind of U-shaped concealed foamed instrument panel air bag doorframe structures, comprising: air bag doors and air bag doorframe；It is characterized in that, the air bag doors one side edge is connected by a hinge with air bag doorframe, it is directly connected between other edges of air bag doors and air bag doorframe, other edges of air bag doors are provided with prefabricated reduction slot in the junction with air bag doorframe；The explosion boundary wall extended to air bag doors blasting direction is provided on the air bag doorframe, explosion boundary wall is arranged on air bag doorframe along prefabricated reduction sheave profile；The explosion boundary wall medial surface is provided with limit end face, and limit end face and the air bag doors angle are in 80 ° -100 °.The beneficial effects of the utility model are: improving blasting fracgmentation quality, the accuracy of air bag explosion is improved, reduces explosion splash, experiment qualification rate is improved, reduces development cost, increase copilot passenger safety coefficient.
Description
Technical field
The utility model belongs to automotive engineering security fields, and in particular to a kind of U-shaped concealed foamed instrument panel substitute
Capsule doorframe structure.
Background technique
As shown in Figure 1-3, explosion boundary wall is triangular structure before improving, hinge is linear structure.When air bag explosion,
Prefabricated reduction slot can be produced fracture by blasting impact power, and hinge is bent upwards with the opening of air bag doors.Since prefabricated reduction slot is disconnected
The oblique pulling force that will receive air bag doorframe when splitting is formed as tension failure, and the plane of disruption is irregular, can generate excessive explosion and fly
Splash object, hinge bending can generate buffer brake when airbag-releasing, influence the accuracy of air bag doors opening, while hinge bending can shape
At buckle folding, it is easy to produce explosion splash, jeopardizes passenger safety, there are some potential safety problemss.
Summary of the invention
The purpose of this utility model is that: fragmentation mass is low when being directed to existing air bag doors explosion, can generate excessive explosion
Splash, at the same air bag opened by hinge Bending Influence air bag doors accuracy the problem of, a kind of U-shaped concealed foaming instrument is provided
Dash board air bag doorframe structure.
The technical solution adopted in the utility model is as follows:
A kind of U-shaped concealed foamed instrument panel air bag doorframe structure, comprising: air bag doors and air bag doorframe；Its feature
It is, the air bag doors one side edge is connected by a hinge with air bag doorframe, straight between other edges of air bag doors and air bag doorframe
It connects in succession, other edges of air bag doors are provided with prefabricated reduction slot in the junction with air bag doorframe；It is arranged on the air bag doorframe
The explosion boundary wall that oriented air bag doors blasting direction extends, explosion boundary wall are set on air bag doorframe along prefabricated reduction sheave profile
It sets；The explosion boundary wall medial surface is provided with limit end face, and limit end face and the air bag doors angle are in 80 ° -100 °.
Further, the explosion boundary wall includes the first side for being arranged in being located on hinge opposite side air bag doorframe
Board and the second boundary wall and third boundary wall for being separately positioned on the first boundary wall two sides, the second boundary wall and third boundary wall
Extend respectively to the edge positioned at air bag doors two sides, the length of the second boundary wall and third boundary wall is less than air bag doors two sides
The length at edge.
Further, explosion boundary wall cross section is in polygonized structure.
Further, the angle between the limit end face and air bag doors is 90 °.
Further, the hinge includes the first connecting portion connecting with air bag doorframe and the second company connecting with air bag doors
Socket part, the first connecting portion and air bag doorframe junction are in being horizontally disposed with, and second connecting portion and air bag doors junction are in level
Setting, the first connecting portion and second connecting portion are in the arc-shaped setting in junction.
Further, the hinge is provided projectingly the outside that side air bag door frame surface is connect with hinge.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, the utility model is by setting explosion boundary wall, and make explosion boundary wall medial surface and air bag doors angle in 80 °-
100 °, the structure of explosion boundary wall is optimized, concentration pre-casting weakens stress when slot fracture, and when making explosion, air bag doors are prefabricated
Weakening is in shear fracture at slot, improves fragmentation mass, the generation of splash when reducing fracture.
2, the utility model optimizes the structure of hinge, reduces air bag doors and beat by setting warp architecture for hinge
The reaction force that hinge applies when opening, while hinge is opened linearly, caused by hinge by bending when air bag doors opening
Buckle folding is small, reduces the generation for squeezing splash.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the schematic perspective view for improving front panel air bag doorframe structure；
Fig. 2 is the schematic view of the front view for improving front panel air bag doorframe structure；
Fig. 3 is B-B cross-sectional view in Fig. 2；
Fig. 4 is the schematic perspective view of the utility model；
Fig. 5 is the schematic view of the front view of the utility model；
Fig. 6 is A-A cross-sectional view in Fig. 5.
Marked in the figure: the prefabricated reduction slot of 1-, 2- hinge, 21- first connecting portion, 22, second connecting portion, 3- air bag doors, 4-
Air bag doorframe, 5- explosion boundary wall, 51- limit end face, the first boundary wall of 52-, 53- the second boundary wall, 54- third boundary wall.
Specific embodiment
As Figure 4-Figure 6, U-shaped concealed 3 mount structure of foamed instrument panel airbag door, air bag doors 3 and air bag doorframe
4；3 one side edge of air bag doors is connected by a hinge with air bag doorframe 4, straight between other edges of air bag doors 3 and air bag doorframe 4
It connects in succession, other edges of air bag doors 3 are provided with prefabricated reduction slot 1 in the junction with air bag doorframe 4.On the air bag doorframe 4
It is provided with the explosion boundary wall 5 extended to air bag doors blasting direction, explosion boundary wall 5 is on air bag doorframe along prefabricated reduction sheave
Profile setting；5 medial surface of explosion boundary wall is provided with limit end face 51, limits between end face 51 and the air bag doors 3
Angle is in 80 ° -100 °.The angle limited between end face and air bag doors is preferably 90 °.
In the present embodiment, 5 cross section of explosion boundary wall is in polygonized structure, facilitates the molding and molding matter of explosion boundary wall
Amount, while can increase the structural strength of air bag doorframe at explosion boundary wall and explosion boundary wall, explosion boundary wall when preventing explosion
Occur to be crushed, and generates splash.
Explosion boundary wall 5 includes the first boundary wall 52 and difference for being arranged in being located on hinge opposite side air bag doorframe
The second boundary wall 53 and third boundary wall 54 of first boundary wall two sides are set, and the second boundary wall 53 and third boundary wall 54 divide
Do not extend to the edge positioned at air bag doors two sides, the length of the second boundary wall 53 and third boundary wall 54 is less than air bag doors two
The length of side edge.Explosion boundary wall can facilitate the molding of explosion boundary wall using the structure, reduce moulding process difficulty.
Prefabricated reduction slot 1 is the continuously or discontinuously groove for subtracting glue formation, makes the edge of air bag doors 3 and 4, air bag doorframe
There is a small amount of line that capping is opened when can be expanded by air bag explosion to connect.Explosion boundary wall 5 is located at the gas connecting with prefabricated reduction slot 1
4 outer end of capsule doorframe, when air bag explosion expands, air bag opens prefabricated 1 capping of reduction slot, and air bag doors 3 are then to be provided with the one of hinge 2
Side edge is axis flip-over, discharges air bag completely.Therefore, explosion boundary wall 5 may act on prefabricated reduction slot 1, make prefabricated
Stress is concentrically formed shear fracture when reduction slot 1 is broken.1 regular edges of post-rift prefabricated reduction slot are smooth, disconnected compared to stretching
Splitting reduces explosion splash.
Hinge 2 includes the first connecting portion 21 connecting with air bag doorframe and the second connecting portion 22 connecting with air bag doors, institute
First connecting portion 21 and 22 junction of air bag doorframe are stated in being horizontally disposed with, second connecting portion 22 is set with air bag doors junction in level
It sets, the first connecting portion 21 is with second connecting portion 22 in the arc-shaped setting in junction.Hinge 2 is provided projectingly to be connect with hinge
The outside of side air bag door frame surface.
When air bag doors 3 are opened, the arc junction between the first connecting portion and second connecting portion of hinge 2 is by bending
Expand into it is linear, convenient for air bag doors 3 it is smooth it is accurate open, and the hinge 2 after opening be it is linear, buckle folding is smaller,
Reduce the splash of buckle folding generation.
To sum up, the utility model has the following beneficial effects:
1, in the utility model, it is provided with explosion boundary wall 5, the structure of explosion boundary wall 5 is optimized, makes prefabricated reduction slot
1 breaks to form shear fracture, improves fragmentation mass, reduces fracture splash.
2, in the utility model, 2 structure of hinge is optimized, reduces the reaction that hinge 2 applies when air bag doors 3 are opened
Power, while hinge 2 is opened for linearly by bending, buckle folding is small, reduces and squeezes splash.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of U-shaped concealed foamed instrument panel air bag doorframe structure, comprising: air bag doors and air bag doorframe；Its feature exists
In the air bag doors one side edge is connected by a hinge with air bag doorframe, between other edges of air bag doors and air bag doorframe directly
Connection, other edges of air bag doors are provided with prefabricated reduction slot in the junction with air bag doorframe；It is provided on the air bag doorframe
The explosion boundary wall extended to air bag doors blasting direction, explosion boundary wall are set on air bag doorframe along prefabricated reduction sheave profile
It sets；The explosion boundary wall medial surface is provided with limit end face, and limit end face and the air bag doors angle are in 80 ° -100 °.
2. U-shaped concealed foamed instrument panel air bag doorframe structure according to claim 1, which is characterized in that described
Explosion boundary wall includes being arranged in and the first boundary wall being located on hinge opposite side air bag doorframe and being separately positioned on first
The second boundary wall and third boundary wall of boundary wall two sides, the second boundary wall and third boundary wall extend respectively to be located at air bag doors
The length of the edge of two sides, the second boundary wall and third boundary wall is less than the length of air bag doors both sides of the edge.
3. U-shaped concealed foamed instrument panel air bag doorframe structure according to claim 1, which is characterized in that described
Explosion boundary wall cross section is in polygonized structure.
4. U-shaped concealed foamed instrument panel air bag doorframe structure according to claim 1, which is characterized in that described
The angle limited between end face and air bag doors is 90 °.
5. U-shaped concealed foamed instrument panel air bag doorframe structure according to claim 1, which is characterized in that described
Hinge includes the first connecting portion connecting with air bag doorframe and the second connecting portion that connect with air bag doors, the first connecting portion with
Air bag doorframe junction in horizontally disposed, second connecting portion and air bag doors junction in horizontally disposed, the first connecting portion with
Second connecting portion is in the arc-shaped setting in junction.
6. U-shaped concealed foamed instrument panel air bag doorframe structure according to claim 5, which is characterized in that described
Hinge is provided projectingly the outside that side air bag door frame surface is connect with hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387913.1U CN209634423U (en) | 2019-03-26 | 2019-03-26 | A kind of U-shaped concealed foamed instrument panel air bag doorframe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387913.1U CN209634423U (en) | 2019-03-26 | 2019-03-26 | A kind of U-shaped concealed foamed instrument panel air bag doorframe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209634423U true CN209634423U (en) | 2019-11-15 |
Family
ID=68496745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920387913.1U Expired - Fee Related CN209634423U (en) | 2019-03-26 | 2019-03-26 | A kind of U-shaped concealed foamed instrument panel air bag doorframe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209634423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895387A (en) * | 2020-06-23 | 2022-01-07 | 宁波均胜汽车安全系统有限公司 | Safety air bag assembly |
-
2019
- 2019-03-26 CN CN201920387913.1U patent/CN209634423U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895387A (en) * | 2020-06-23 | 2022-01-07 | 宁波均胜汽车安全系统有限公司 | Safety air bag assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 Termination date: 20210326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |