CN217496061U - Airbag air guide device and airbag - Google Patents
Airbag air guide device and airbag Download PDFInfo
- Publication number
- CN217496061U CN217496061U CN202220766253.XU CN202220766253U CN217496061U CN 217496061 U CN217496061 U CN 217496061U CN 202220766253 U CN202220766253 U CN 202220766253U CN 217496061 U CN217496061 U CN 217496061U
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- tether
- airbag
- deflector
- edge
- annular channel
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Abstract
The utility model discloses an air bag air guide device, including the water conservancy diversion piece, the pilot hole has been seted up at the middle part of water conservancy diversion piece, at least partial edge of water conservancy diversion piece is equipped with the annular channel, penetrate the tether in the annular channel, can adjust during the tether pulling the opening size at edge. The utility model also discloses an air bag, including the air pocket body, the inlet port has been seted up on the air pocket body, still includes air bag air guide device, the pilot hole is connected the medial surface of inlet port, the water conservancy diversion piece is located the air pocket is originally internal, tether is followed the inside and the process of water conservancy diversion piece the pilot hole with the inlet port is worn out. The utility model discloses in tighten up the back as the tether on the water conservancy diversion piece, can reduce the edge opening for during gas enters into the water conservancy diversion piece from the inlet port, the particle that gas generator produced is blockked by the water conservancy diversion piece, thereby has played the effect of protection master slice.
Description
Technical Field
The utility model relates to an air bag's technical field especially relates to an air bag air guide device and air bag.
Background
Current DAB/PAB designs, as shown in fig. 1, are not effective in preventing hot particles from directly impacting the frontal portion of the airbag main panel 1'. The design of fig. 1, hot particles may directly impact the frontal portion of the airbag main panel 1', thereby causing frontal breakage of the airbag and resulting in functional failure.
Accordingly, there is a need for an airbag gas guide and airbag that effectively block the generation of particles by the generator, thereby mitigating damage to the airbag main panel from the generator particles.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide one kind and can effectively block the particle that the generator produced to alleviate the air bag air guide device and the air bag of generator particle to air bag main leaf damage.
The technical scheme of the utility model a safety airbag air guide device is provided, including the water conservancy diversion piece, the pilot hole has been seted up at the middle part of water conservancy diversion piece, at least partial edge of water conservancy diversion piece is equipped with the annular channel, penetrate tether in the annular channel, can adjust during the tether pulling the opening size at edge.
Furthermore, the flow deflector is a circular piece, and a circle of annular channel is formed after the circumferential edge of the flow deflector is folded and sewn.
Furthermore, a tether notch is formed in the circumferential edge, and the end of the tether penetrates out of the tether notch.
Furthermore, the flow deflector is rectangular, an upper straight edge of the flow deflector is folded and sewn to form an upper annular channel, a lower straight edge of the flow deflector is folded and sewn to form a lower annular channel, the left straight edge of the flow deflector is folded up and down and then sewn, the right straight edge of the flow deflector is folded up and down and then sewn, and the upper annular channel is butted with the lower annular channel.
Furthermore, a tether notch is formed in the upper straight edge or the lower straight edge, and the end of the tether penetrates out of the tether notch.
Further, the flow deflector is made of a flexible material.
The utility model also provides an air bag, including the air pocket body, the inlet port has been seted up on the air pocket body, still includes above-mentioned arbitrary air guide device of air bag, the pilot hole is connected the medial surface of inlet port, the water conservancy diversion piece is located the air pocket is originally internal, tether follows the inside and the process of water conservancy diversion piece the pilot hole with the inlet port is worn out.
Further, the air bag body includes main leaf and auxiliary, the main leaf with the edge sewing of auxiliary is connected, the inlet port is seted up on the auxiliary, the water conservancy diversion piece is located the direction of admitting air the front side of main leaf.
Further, the tether is tied after penetrating out of the air inlet hole.
After adopting above-mentioned technical scheme, have following beneficial effect:
the utility model discloses in tighten up the back as the tether on the water conservancy diversion piece, can reduce the edge opening for during gas enters into the water conservancy diversion piece from the inlet port, the particle that gas generator produced is blockked by the water conservancy diversion piece, then flows in the air pocket body from the edge opening again. The utility model discloses a water conservancy diversion piece shelters from the front side at the main part of air pocket body to the effect of protection main part has been played.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
FIG. 1 is a schematic view of a prior art airbag;
fig. 2 is an expanded view of the baffle according to an embodiment of the present invention;
FIG. 3 is a schematic view of an airbag gas guide assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of an airbag guide of an embodiment of the present invention installed in an airbag;
fig. 5 is a development view of a guide vane according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of the airbag guide assembly according to another embodiment of the present invention prior to being folded in half;
FIG. 7 is a schematic view of an airbag airway device in accordance with another embodiment of the invention, shown folded in half;
FIG. 8 is a cross-sectional view taken at A-A of FIG. 7;
FIG. 9 is a cross-sectional view taken at B-B of FIG. 7;
FIG. 10 is a schematic view of an airbag according to an embodiment of the present invention;
fig. 11 is a cross-sectional view at C-C in fig. 10.
Reference symbol comparison table:
an airbag main panel 1';
the flow deflector 1: the assembling hole 11, the annular channel 12, the upper annular channel 121, the lower annular channel 122, the tether notch 13, the upper straight edge 14, the lower straight edge 15, the left straight edge 16 and the right straight edge 17;
a tether 2;
the airbag 3: air inlet hole 31, main piece 32, and sub-piece 33.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
The first embodiment is as follows:
as shown in fig. 2 to 4, the airbag air guide device includes a flow deflector 1, an assembly hole 11 is formed in the middle of the flow deflector 1, an annular channel 12 is formed in at least a part of the edge of the flow deflector 1, a tether 2 penetrates through the annular channel 12, and the size of an opening in the edge can be adjusted when the tether 2 is pulled.
Specifically, as shown in fig. 2, the flow deflector 1 is a circular piece, the assembly hole 11 is formed in the center of the flow deflector 1, and the outer edge of the flow deflector is circular.
As shown in fig. 3, the circumferential edge of the baffle 1 is folded and sewn to form a ring-shaped channel 12, and the tether 2 is threaded into the ring-shaped channel 12. When the tether 2 is pulled, the edge of the baffle 1 can be tightened.
As shown in fig. 2, a tether notch 13 is formed on the circumferential edge; as shown in fig. 3, the end of the tether 2 passes out of the tether notch 13.
As shown in fig. 4, when the airbag gas guide is installed in the airbag 3, the fitting hole 11 is connected to the gas inlet hole 31 of the airbag 3, and the airbag gas guide is located inside the airbag 3. After the tether 2 is tightened, the end of the tether 2 passes through the assembly hole 11 and the air inlet hole 31 from the inside of the baffle 1, and is pulled out of the airbag 3, and finally, the tether is knotted to prevent slipping.
The air inlet 31 of the airbag 3 is used for installing a gas generator, when the gas generator is ignited, the gas firstly enters the flow deflector 1, particles in the gas are blocked by the flow deflector 1, and then the gas flows into the airbag 3 from the opening at the edge of the flow deflector 1.
The air guide device of the air bag in the embodiment can play a role in blocking particles in gas, and the air bag is effectively protected.
Example two:
as shown in fig. 5 to 9, in the second embodiment, the baffle 1 is rectangular, the upper straight edge 14 of the baffle 1 is folded and sewn to form an upper annular channel 121, the lower straight edge 15 is folded and sewn to form a lower annular channel 122, the left straight edge 16 of the baffle 1 is folded up and down and sewn, the right straight edge 17 is folded up and down and sewn, and the upper annular channel 121 and the lower annular channel 122 are butted.
Specifically, as shown in fig. 5, the flow deflector 1 is rectangular and includes four straight edges, namely an upper straight edge 14, a lower straight edge 15, a left straight edge 16, and a right straight edge 17, and the assembling hole 11 is disposed in the center of the flow deflector 1.
As shown in fig. 6, the upper straight edge 14 is folded and sewn to form an upper annular channel 121, the lower straight edge 15 is folded and sewn to form a lower annular channel 122, and the tether 2 is inserted into the upper annular channel 121 and the lower annular channel 122.
As shown in fig. 7, the baffle 2 is folded up and down, and then the upper and lower portions of the left straight edge 16 are sewn and connected, and the upper and lower portions of the right straight edge 17 are sewn and connected, so as to form a complete flow guiding structure. After being folded up and down, the upper annular channel 121 and the lower annular channel 122 are butted to form a complete annular channel 12.
Further, as shown in fig. 5, a tether notch 13 is formed in the upper straight edge 14, and the end of the tether 2 penetrates through the tether notch 13, so that the tendon 2 is conveniently pulled.
Optionally, the tether notch 13 may also be opened on the lower straight edge 15.
Alternatively, the tether notch 13 may not be opened, and the end of the tether 2 may be pulled out of the notch between the upper annular channel 121 and the lower annular channel 122.
Preferably, the baffle 1 is made of a flexible material, and when the tether 2 is tightened, the edge of the baffle 1 can be contracted, so that the edge of the baffle 1 is reduced, and the baffle 1 can play a role in blocking particles.
Example three:
as shown in fig. 10 to 11, the airbag 3 includes a bag body, an air inlet 31 is formed on the bag body, and further includes an airbag air guide device in any of the above embodiments, the assembling hole 11 is connected to an inner side surface of the air inlet 31, the deflector 1 is located in the bag body, and the tether 2 extends out from the inside of the deflector 1 through the assembling hole 11 and the air inlet 31.
The air inlet hole 31 is used for installing the gas generator, and the assembly hole 11 is connected with the inner side surface of the air inlet hole 31 in a sewing mode. The gas generated by the gas generator directly enters the cavity formed by the guide vanes 1.
When the tether 2 is tightened, the opening at the edge of the baffle 1 is reduced. So that most particles do not enter the air bag body from the opening but are blocked in the cavity of the guide vane 1. Then, the gas flows into the air bag body from the opening at the edge of the baffle 1.
Further, as shown in fig. 11, the airbag body includes a main sheet 32 and a sub sheet 33, the main sheet 32 is sewn to the edge of the sub sheet 33, the air inlet hole 31 is opened in the sub sheet 33, and the baffle 1 is located at the front side of the main sheet 32 in the air intake direction.
Thus, the deflector 1 is shielded at the front side of the main sheet 32, and the main sheet 32 of the airbag 3 is effectively protected.
Preferably, the tether 2 is tied after penetrating through the air inlet hole 31 to prevent slipping, so as to avoid affecting the tightening of the edge opening of the baffle 1.
The utility model discloses can be arranged in most of air bags, especially main driving gasbag and copilot gasbag.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for a person skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the scope of the present invention should be viewed.
Claims (9)
1. The utility model provides an air bag air guide device which characterized in that, includes the water conservancy diversion piece, the pilot hole has been seted up in the middle part of water conservancy diversion piece, at least partial edge of water conservancy diversion piece is equipped with the annular channel, penetrate tether in the annular channel, can adjust when tether pulling the opening size at edge.
2. The airbag air guide of claim 1 wherein the deflector is a circular piece and the circumferential edge of the deflector is folded and sewn to form a ring of the annular channel.
3. The airbag gas guide of claim 2 wherein the circumferential edge is provided with a tether notch, and wherein an end of the tether extends out of the tether notch.
4. The airbag air guide device according to claim 1, wherein the deflector is rectangular, an upper straight edge of the deflector is folded and sewn to form an upper annular channel, a lower straight edge of the deflector is folded and sewn to form a lower annular channel, a left straight edge of the deflector is folded up and down and sewn, a right straight edge of the deflector is folded up and down and sewn, and the upper annular channel and the lower annular channel are butted.
5. The airbag gas guide of claim 4, wherein a tether notch is provided on the upper straight edge or the lower straight edge, and an end of the tether protrudes through the tether notch.
6. The airbag gas guide of claim 1 wherein the flow deflector is made of a flexible material.
7. An air bag, including the air bag body, offer the inlet port on the body of said air bag, characterized by, also include the air bag air guide apparatus of any claim 1-6, the said pilot hole is connected to the medial surface of the said inlet port, the said deflector is located in the said air bag body, the said tether is from the inside of the said deflector and through the said pilot hole and said inlet port are worn out.
8. The airbag of claim 7, wherein the airbag body comprises a main piece and a sub piece, the main piece is sewn to an edge of the sub piece, the air inlet hole is formed in the sub piece, and the deflector is located on a front side of the main piece in an air intake direction.
9. The airbag of claim 7, wherein the tether is tied after exiting through the air inlet aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220766253.XU CN217496061U (en) | 2022-03-31 | 2022-03-31 | Airbag air guide device and airbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220766253.XU CN217496061U (en) | 2022-03-31 | 2022-03-31 | Airbag air guide device and airbag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217496061U true CN217496061U (en) | 2022-09-27 |
Family
ID=83348037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220766253.XU Active CN217496061U (en) | 2022-03-31 | 2022-03-31 | Airbag air guide device and airbag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217496061U (en) |
-
2022
- 2022-03-31 CN CN202220766253.XU patent/CN217496061U/en active Active
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| GR01 | Patent grant | ||
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