CN215322431U - Automobile copilot safety airbag structure with side protection function - Google Patents
Automobile copilot safety airbag structure with side protection function Download PDFInfo
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- CN215322431U CN215322431U CN202121035316.6U CN202121035316U CN215322431U CN 215322431 U CN215322431 U CN 215322431U CN 202121035316 U CN202121035316 U CN 202121035316U CN 215322431 U CN215322431 U CN 215322431U
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Abstract
The utility model discloses an automobile copilot safety airbag structure with a side protection function, which comprises a guide plate, an air bag and a gas generator, wherein the guide plate is arranged on the side surface of the guide plate; the air bag comprises a middle air bag, a left air bag, a right air bag and an air guide channel, the left air bag and the right air bag are respectively arranged on the left side surface and the right side surface of the middle air bag and are respectively communicated with the middle air bag, and the air guide channel is used for guiding the gas generated by the gas generator into the left air bag and the right air bag; when the automobile is collided, the gas generator is triggered to expand and unfold the gas bags, and in the unfolding process of the gas bags, gas is respectively inflated to the left gas bag and the right gas bag through the gas guide channels, and then the middle gas bag is inflated through the left gas bag and the right gas bag until the gas bags are full. The present invention provides lateral protection by preventing head slippage.
Description
Technical Field
The utility model relates to the technical field of automobile safety airbags, in particular to an automobile copilot safety airbag structure with a side protection function.
Background
The passenger airbag is generally installed in an instrument panel, and when a collision occurs, the passenger airbag is expanded and deployed to form a cushion between a passenger and the instrument panel, so as to absorb energy generated by the collision and protect the passenger. Some of the passenger-side airbags for automobiles are installed on the automobile ceiling due to the influence of the shape limitation of the instrument desk. If these automobile copilot air bags follow the design idea of the traditional air bag, the air bag formed by unfolding can not absorb the energy of collision, but can cause the neck of the passenger to twist backwards, and cause injury to the passenger.
In order to solve this problem, such a passenger airbag mounted on the roof of a vehicle needs to be designed to allow the head of the occupant to move forward, thereby causing a complicated structure of the airbag and instability in the deployment process. When the automobile is in an offset collision or an oblique angle collision, the passenger easily slides out of the air bag. Thus, there is a need for a passenger airbag for a vehicle that is stable during deployment while preventing lateral slippage.
To this end, the applicant has sought to solve the above problems, through the useful research and study, and the technical solutions described below have been made in this context.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the automobile copilot air bag structure with the side protection function is provided for overcoming the defects of the prior art, and the structure can keep stable during unfolding and simultaneously prevent lateral sliding.
The technical problem to be solved by the utility model can be realized by adopting the following technical scheme:
an automobile copilot airbag structure with a side protection function, comprising:
the guide plate is arranged in the automobile ceiling and positioned above the front passenger seat, extends along the length direction of the automobile ceiling and forms an air bag expansion guide channel with the automobile roof;
the air bag is folded and arranged between the automobile roof and is positioned in the air bag expansion guide channel; and
the gas generator is arranged between the automobile roof and is used for inflating the gas bag; it is characterized in that the preparation method is characterized in that,
the air bag comprises a middle air bag, a left air bag, a right air bag and an air guide channel, the left air bag and the right air bag are respectively arranged on the left side surface and the right side surface of the middle air bag and are respectively communicated with the middle air bag, and the air guide channel is used for guiding the gas generated by the gas generator into the left air bag and the right air bag;
when the automobile is collided, the gas generator is triggered to expand and unfold the gas bag, and the gas bag is unfolded forwards along the gas bag expansion guide channel to two sides simultaneously; in the air bag unfolding process, gas is respectively inflated to the left air bag and the right air bag through the gas guide channels, and then the middle air bag is inflated through the left air bag and the right air bag until the air bags are full.
In a preferred embodiment of the present invention, the middle air bag is substantially cylindrical or polygonal-prism-shaped after being deployed, and the left and right air bags are substantially flat after being deployed.
In a preferred embodiment of the present invention, the air guide channel is sewn from a piece of air guide channel cut piece, and has an air inlet and two air outlets, the air inlet of the air guide channel is used for receiving the air generated by the gas generator, one air outlet of the air guide channel is communicated with the left air bag, and the other air outlet of the air guide channel is communicated with the right air bag.
In a preferred embodiment of the utility model, the middle air bag is formed by sewing a middle cut piece, a left cut piece and a right cut piece, and at least one left air inlet hole and at least one right air inlet hole are formed in the left cut piece and the right cut piece; the left air bag is formed by sewing a first left cut piece and a second left cut piece which are symmetrically arranged, the upper part of the second left cut piece is provided with a first air inlet communicated with the air guide channel, the middle part of the second left cut piece is provided with at least one first air outlet, and each first air outlet of the second left cut piece is respectively and correspondingly communicated with the left air inlet of the left cut piece, so that air in the left air bag flows into the middle air bag; the right side air pocket is sewed by first, second right side cut-parts of symmetrical arrangement and forms, the upper portion of first right side cut-part seted up with the second inlet port of air guide channel intercommunication, an at least second venthole has been seted up to its middle part, each second venthole of first right side cut-part respectively with the right inlet port intercommunication of right side cut-part, so that gaseous flow in the right side air pocket is to in the middle air pocket.
In a preferred embodiment of the present invention, a drawstring or a middle seam is provided in the left air bag and/or the right air bag for controlling the thickness of the cavity and maintaining the shape stability of the left air bag and/or the right air bag.
In a preferred embodiment of the present invention, the intermediate air bag is provided with at least one air vent, and the air vent is not aligned with the passenger after the air bag is inflated and deployed.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. the left and right air bags are arranged on the left and right sides of the middle air bag, and play a role in protecting the side faces, so that the head can be prevented from slipping, the structure is simple, and the processing is convenient;
2. the left and right air bags of the utility model are flat after being unfolded, and keep stable unfolding;
3. the air guide channel in the air bag, the left air bag and the right air bag have universality, can be applied to different vehicle types, and only the structure of the middle air bag needs to be adjusted for matching design when the interior decoration is different.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the present invention after deployment.
Fig. 2 is a schematic three-dimensional structure of the airbag of the present invention after deployment.
Fig. 3 is a front view of the air bag of the present invention after deployment.
FIG. 4 is a schematic view of the structure of the air guide channel of the present invention.
FIG. 5 is a schematic view of the structure of the panels of the air guide channel of the present invention.
FIG. 6 is a schematic view showing the structure of the cut pieces of the left side air bag of the present invention.
FIG. 7 is a schematic view showing the structure of the cut segment of the right side air bag of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.
Referring to fig. 1, there is shown a passenger airbag structure for a vehicle having a side protection function, including a guide plate 100, an airbag 200, and a gas generator 300.
The guide plate 100 is installed in the vehicle roof 10 above the passenger seat, and the guide plate 100 extends in the longitudinal direction of the vehicle roof 10 and forms a bag inflation guide passage 110 with the vehicle roof 20. The airbag 200 is folded and installed between the roof 10 and the roof 20 of the car and is located in the airbag inflation guide passage 110. The gas generator 300 is installed between the roof 10 and the roof 20 of the automobile, and is used to inflate the airbag 200 to inflate and deploy the airbag 200.
Referring to fig. 2 and 3, the air bag 200 includes a middle air bag 210, a left air bag 220, a right air bag 230, and an air guide passage 240. The left and right air bags 220 and 230 are respectively disposed on the left and right sides of the middle air bag 210 and are respectively communicated with the middle air bag 210, and the air guide passage 240 is located at the top of the middle air bag 210 and guides the air generated from the gas generator 300 into the left and right air bags 220 and 230. The middle bag 210 is substantially cylindrical or polygonal after being deployed, and the left bag 220 and the right bag 230 are substantially flat after being deployed, thereby maintaining the stable deployment.
Referring to fig. 4 and 5, air guide channel 240 is sewn from one air guide channel panel 241, and air guide channel panel 241 is folded in half along middle 241a and sewn to side 241b thereof. The gas guide passage 240 has one gas inlet 242 and two gas outlet 243, 244, the gas inlet 242 of the gas guide passage 240 being for receiving the gas generated by the gas generator 300, one gas outlet 243 thereof being in communication with the left air bag 220, and the other gas outlet 244 thereof being in communication with the right air bag 230.
The middle air bag 210 is composed of a middle panel, left and right panels, the peripheries of the left and right panels are respectively sewn with the peripheries of both sides of the middle panel. Two left and right air inlet holes are formed in the left and right side cut pieces, and the number of the left and right air inlet holes is not limited to the number in the embodiment and is determined according to the air guide flow. The intermediate air bag 210 is provided with at least one air vent 211, and the air vent 211 is not aligned with the passenger after the air bag is inflated and unfolded, so that the air in the intermediate air bag 210 can be conveniently exhausted, and the passenger 30 is prevented from being injured.
Referring to fig. 6, the left air bag 220 is formed of left panels 221 and 222 which are symmetrically arranged, a peripheral edge 221a of the left panel 221 and a peripheral edge 222a of the left panel 222 are sewn, and then the sewn left air bag 220 is sewn to the left panel of the middle air bag 210. The upper portion of the left side panel 222 is provided with an air inlet hole 223 communicated with the air outlet 243 of the air guide channel 240, the middle portion thereof is provided with two air outlet holes 224, the two air outlet holes 224 of the left side panel 222 are respectively and correspondingly communicated with the two left air inlet holes of the left side panel of the middle air bag 210, so that the air in the left air bag 220 flows into the middle air bag 210. A drawstring or a middle sewing line (not shown) is provided in the left air bag 220 for controlling the thickness of the chamber of the left air bag 220 and maintaining the shape stability.
Referring to fig. 7, the right air bag 230 is formed by sewing 231, 232 right panels which are symmetrically arranged, the peripheral edge 231a of the right panel 231 is sewn to the peripheral edge 232a of the right panel 232, and then the sewn right air bag 230 is sewn to the right panel of the middle air bag 210. The upper part of the right side cut piece 231 is provided with an air inlet hole 233 communicated with an air outlet 244 of the air guide channel 240, the middle part of the right side cut piece is provided with two air outlet holes 234, and the two air outlet holes 234 of the right side cut piece 232 are respectively and correspondingly communicated with the two right air inlet holes of the right side cut piece of the middle air bag 210, so that the air in the right side air bag 230 flows into the middle air bag 210. A drawstring or a middle sewing line (not shown) is provided in the right air bag 230 for controlling the chamber thickness of the right air bag 230 and maintaining the shape stability.
When the automobile is collided, the gas generator 300 is triggered to expand the gas bag 200, the gas bag 200 is simultaneously expanded to the left and the right along the gas bag expansion guide channel 110, and the front upper side and the front lower side of the gas bag 220 are respectively abutted against the automobile windshield 40 and the automobile instrument desk 50; during the deployment of the airbag, the gas generated from the gas generator 300 is respectively inflated into the left and right airbags 220 and 230 through the gas guide passage 240, the left and right airbags 220 and 230 are filled in a flat shape, and then the middle airbag 210 is inflated from the gas outlet holes 224 and 234 formed at the side surfaces of the left and right airbags 220 and 230 until the left and right airbags 220 and 230 and the middle airbag 210 are filled. The upper portion of the intermediate air bag 210 contacts the head of the passenger 30, ensuring a space forward of the head of the passenger 30; the left and right side air bags 220 and 230 are partially arranged on both sides of the head of the passenger 30, and serve to guide air to the middle air bag 210 and prevent lateral slippage, thereby protecting the head of the passenger 30 from the side.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. An automobile copilot airbag structure with a side protection function, comprising:
the guide plate is arranged in the automobile ceiling and positioned above the front passenger seat, extends along the length direction of the automobile ceiling and forms an air bag expansion guide channel with the automobile roof;
the air bag is folded and arranged between the automobile roof and is positioned in the air bag expansion guide channel; and
the gas generator is arranged between the automobile roof and is used for inflating the gas bag; it is characterized in that the preparation method is characterized in that,
the air bag comprises a middle air bag, a left air bag, a right air bag and an air guide channel, the left air bag and the right air bag are respectively arranged on the left side surface and the right side surface of the middle air bag and are respectively communicated with the middle air bag, and the air guide channel is used for guiding the gas generated by the gas generator into the left air bag and the right air bag;
when the automobile is collided, the gas generator is triggered to expand and unfold the gas bag, and the gas bag is unfolded forwards along the gas bag expansion guide channel to two sides simultaneously; in the air bag unfolding process, gas is respectively inflated to the left air bag and the right air bag through the gas guide channels, and then the middle air bag is inflated through the left air bag and the right air bag until the air bags are full.
2. The structure of a side-protection airbag for a passenger side of an automobile according to claim 1, wherein the intermediate bag is formed in a substantially cylindrical or polygonal column shape after being deployed, and the left and right side bags are formed in a substantially flat shape after being deployed.
3. The structure of claim 1, wherein the air guide channel is sewn from a piece of air guide channel panel and has an air inlet and two air outlets, the air inlet of the air guide channel is used for receiving the air generated by the gas generator, one of the air outlets is communicated with the left air bag, and the other air outlet is communicated with the right air bag.
4. The structure of claim 3, wherein the middle air bag is sewn from a middle cut-out piece and left and right cut-out pieces, and the left and right cut-out pieces are provided with at least one left and right air inlet hole; the left air bag is formed by sewing a first left cut piece and a second left cut piece which are symmetrically arranged, the upper part of the second left cut piece is provided with a first air inlet communicated with the air guide channel, the middle part of the second left cut piece is provided with at least one first air outlet, and each first air outlet of the second left cut piece is respectively and correspondingly communicated with the left air inlet of the left cut piece, so that air in the left air bag flows into the middle air bag; the right side air pocket is sewed by first, second right side cut-parts of symmetrical arrangement and forms, the upper portion of first right side cut-part seted up with the second inlet port of air guide channel intercommunication, an at least second venthole has been seted up to its middle part, each second venthole of first right side cut-part respectively with the right inlet port intercommunication of right side cut-part, so that gaseous flow in the right side air pocket is to in the middle air pocket.
5. The structure of a side-protection automotive passenger airbag according to claim 4, wherein a drawstring or a center seam is provided in the left and/or right side airbag for controlling the thickness of the chamber of the left and/or right side airbag and maintaining the shape stability.
6. The structure of claim 1, wherein the intermediate bag has at least one vent hole formed therein, the vent hole not being aligned with the passenger after the bag is inflated and deployed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121035316.6U CN215322431U (en) | 2021-05-14 | 2021-05-14 | Automobile copilot safety airbag structure with side protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121035316.6U CN215322431U (en) | 2021-05-14 | 2021-05-14 | Automobile copilot safety airbag structure with side protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215322431U true CN215322431U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121035316.6U Active CN215322431U (en) | 2021-05-14 | 2021-05-14 | Automobile copilot safety airbag structure with side protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215322431U (en) |
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- 2021-05-14 CN CN202121035316.6U patent/CN215322431U/en active Active
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