CN211391192U - Car seat air bag and car seat - Google Patents

Car seat air bag and car seat Download PDF

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Publication number
CN211391192U
CN211391192U CN201922470773.7U CN201922470773U CN211391192U CN 211391192 U CN211391192 U CN 211391192U CN 201922470773 U CN201922470773 U CN 201922470773U CN 211391192 U CN211391192 U CN 211391192U
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air chamber
human body
car seat
strip
vertical
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CN201922470773.7U
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Chinese (zh)
Inventor
孟强
严飞燕
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Autoliv Development AB
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Autoliv Development AB
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Abstract

The utility model discloses a car seat air bag, including first air chamber and the second air chamber that communicates each other, first air chamber is connected in car seat's back both sides, and follows orientation behind the human head is walked around to the both sides of back car seat's the place ahead expandes, the second air chamber is connected the inboard center of first air chamber, and expand towards the human body after first air chamber expandes. The utility model discloses still include a car seat, including seatpad and back, install above-mentioned arbitrary one on the back car seat air bag. The utility model is provided with a first air chamber surrounding the human body, and the first air chamber plays the role of supporting the second air chamber and guiding air; the second air chamber is positioned in the center of the inner side of the first air chamber, and plays a role in protecting the chest and the head of a human body during forward collision, so that the chest and the neck of the human body are prevented from being injured.

Description

Car seat air bag and car seat
Technical Field
The utility model relates to a car air bag's technical field especially relates to a car seat air bag and car seat.
Background
The conventional automobile seat airbag is usually formed by a whole air chamber, so that the chest and the neck of a human body are easily seriously injured in the process of forward collision, and the shape of the air chamber is not easily optimized.
Accordingly, there is a need for a vehicle seat airbag and vehicle seat that reduces injuries to the chest and neck of the human body during a frontal collision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide one kind at the forward collision in-process, reduce car seat air bag and car seat to human chest and neck injury.
The technical scheme of the utility model provide a car seat air bag, including first air chamber and the second air chamber that communicates each other, first air chamber is connected in car seat's back both sides, and follows orientation behind the human head is walked around to the both sides of back car seat's the place ahead expandes, the second air chamber is connected the inboard center of first air chamber, and expand towards the human body after first air chamber expandes.
Further, be the semicircle form after first air chamber expandes, the semicircle form encircles around human body, the both ends of semicircle form with car seat's back both sides are connected, gas generator is all installed to the both sides of back.
Further, the first air chamber comprises a first vertical strip-shaped sheet, a second vertical strip-shaped sheet, a first horizontal strip-shaped sheet and a second horizontal strip-shaped sheet, the first vertical strip-shaped sheet is parallel to the second vertical strip-shaped sheet, the first horizontal strip-shaped sheet is parallel to the second horizontal strip-shaped sheet, the first horizontal strip-shaped sheet is connected to the upper edge of the first vertical strip-shaped sheet and the upper edge of the second vertical strip-shaped sheet, and the second horizontal strip-shaped sheet is connected to the lower edge of the first vertical strip-shaped sheet and the lower edge of the second vertical strip-shaped sheet.
Further, the second air chamber is oblate spheroid, the second air chamber includes first disk, second disk and ring piece, the ring piece is connected first disk with between the second disk, the cross section of ring piece is arc, the second disk with first air chamber is connected.
Furthermore, the second wafer is provided with a vent hole, and the second air chamber is communicated with the first air chamber through the vent hole.
Further, the second air chamber comprises a first vertical sheet, a second vertical sheet and an annular belt, the annular belt is connected between the first vertical sheet and the second vertical sheet, and the annular belt is connected with the first air chamber.
Further, one side of the annular belt facing the human body forms an inclined surface which is inclined from bottom to top towards the direction far away from the head.
Furthermore, the annular belt is provided with a vent hole, and the second air chamber is communicated with the first air chamber through the vent hole.
The utility model discloses still include a car seat, including seatpad and back, install above-mentioned arbitrary one on the back car seat air bag.
Further, the automobile seat is a front passenger seat or a rear seat.
After adopting above-mentioned technical scheme, have following beneficial effect:
the utility model is provided with a first air chamber surrounding the human body, and the first air chamber plays the role of supporting the second air chamber and guiding air; the second air chamber is positioned in the center of the inner side of the first air chamber, and plays a role in protecting the chest and the head of a human body during forward collision, so that the chest and the neck of the human body are prevented from being injured.
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 perspective view of an airbag installed in a vehicle seat before deployment according to a first embodiment of the present invention;
FIG. 2 is a state diagram of the first air chamber in the first embodiment of the present invention;
FIG. 3 is a state diagram of the first air chamber when the first air chamber is fully deployed according to the first embodiment of the present invention; FIG. 4 is a perspective view of a vehicle seat airbag according to a first embodiment of the present invention after deployment;
FIG. 5 is a side view of a vehicle seat airbag according to a first embodiment of the present invention after deployment;
FIG. 6 is a top view of a vehicle seat airbag according to a first embodiment of the present invention after deployment;
FIG. 7 is a perspective view of a first air chamber according to a first embodiment of the present invention;
FIG. 8 is a perspective view of a second air chamber in accordance with a first embodiment of the present invention;
fig. 9 is a perspective view of another perspective view of the second air chamber in the first embodiment of the present invention;
FIG. 10 is a perspective view of a second embodiment of the present invention showing an airbag of a vehicle seat after deployment;
FIG. 11 is a perspective view of a second embodiment of the present invention, taken from another perspective after deployment;
FIG. 12 is a top view of a second embodiment of the present invention after deployment;
fig. 13 is a perspective view of a second air chamber in the second embodiment of the present invention.
Reference symbol comparison table:
a human body 100, an automobile seat airbag 10, a backrest 20, a seat cushion 30;
first air chamber 1: a first vertical strip-shaped sheet 11, a second vertical strip-shaped sheet 12, a first horizontal strip-shaped sheet 13 and air holes 121;
second air chamber 2: the first disc 21, the second disc 22, the circular disc 23, the first vertical disc 24, the annular belt 25, the vent hole 221 and the vent hole 251.
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. 1 to 9, a vehicle seat airbag 10 includes a first air chamber 1 and a second air chamber 2 which communicate with each other, the first air chamber 1 being connected to both sides of a backrest 20 of a vehicle seat and being deployed toward the front of the vehicle seat after bypassing the head of a human body from both sides of the backrest 20, and the second air chamber 2 being connected to the center of the inside of the first air chamber 1 and being deployed toward the human body after the first air chamber 1 is deployed.
Specifically, as shown in fig. 1, the vehicle seat airbag 10 is folded and housed in a seatback 20 of the vehicle seat before being inflated and deployed. Wherein the first air chamber 1 is arranged along the upper edge of the backrest 20.
As shown in fig. 2, the vehicle seat airbag 10 is deployed from both sides of the backrest 20 after inflation, and the first air chamber 1 is deployed first. The first air cell 1 is inflated, and then turned from the upper edge of the backrest 20 toward the human body 100, passes around the head of the human body 100, and then turns to the front of the human body 100.
As shown in FIG. 3, the first air cell 1 is completely unfolded and positioned right in front of the human body 100, and the second air cell 2 is folded at the inner center of the first air cell 1 without starting to inflate.
As shown in fig. 4, the gas enters the second gas cell 2 from the first gas cell 1 until the second gas cell 2 is fully deployed.
As shown in fig. 4, the first air cell 1 is unfolded to enclose the human body 100 seated thereon, and the first air cell 1 is unfolded to have a semi-circular band-like structure for guiding air toward the second air cell 2 and functioning to support the second air cell 2.
The second air chamber 2 is connected to the center of the inner side of the first air chamber 1, after the first air chamber 1 is unfolded, air flows from the first air chamber 1 to the second air chamber 2, and the second air chamber 2 is unfolded towards the human body.
The second air chamber 2 after being unfolded is positioned right in front of the human body 100 and used for buffering the forward collision, protecting the chest and the head of the human body 100 and reducing the damage to the neck of the human body.
Further, as shown in fig. 4 to 7, the first air chamber 1 is half-ring-shaped after being unfolded, the half-ring-shaped surrounds the human body 100, both ends of the half-ring-shaped are connected with both sides of the backrest 20 of the car seat, and both sides of the backrest 20 are provided with the gas generators.
After the gas generator is triggered, the two ends of the first air chamber 1 are inflated simultaneously, and the first air chamber 1 is unfolded rapidly from the two sides of the backrest 20 to form a semi-annular belt-shaped structure.
Further, as shown in fig. 7, the first air cell 1 includes a first vertical strip 11, a second vertical strip 12, a first horizontal strip 13 and a second horizontal strip, the first vertical strip 11 and the second vertical strip 12 are parallel to each other, the first horizontal strip 13 and the second horizontal strip are parallel to each other, the first horizontal strip 13 is connected to upper edges of the first vertical strip 11 and the second vertical strip 12, and the second horizontal strip is connected to lower edges of the first vertical strip 11 and the second vertical strip 12.
The first vertical strip-shaped sheet 11, the second vertical strip-shaped sheet 12, the first horizontal strip-shaped sheet 13 and the second horizontal strip-shaped sheet can be four woven fabrics, which are connected together by sewing threads to form a flat strip-shaped structure, and are inflated to surround the front wall of the human body 100.
Further, as shown in fig. 8 to 9, the second air chamber 2 is oblate-shaped, the second air chamber 2 includes a first circular plate 21, a second circular plate 22 and a circular ring plate 23, the circular ring plate 23 is connected between the first circular plate 21 and the second circular plate 22, the cross section of the circular ring plate 23 is circular arc, and the second circular plate 22 is connected with the first air chamber 1.
The second air chamber 2 in the shape of an oblate spheroid is inflated and unfolded, is positioned right in front of the human body 100, can buffer forward collision and is used for protecting the chest, the head and the neck of the human body.
Further, as shown in fig. 9, the second wafer 22 is provided with a vent hole 221, and the second air chamber 2 communicates with the first air chamber 1 through the vent hole 221.
Specifically, the first air chamber 1 is provided with air holes 121 corresponding to the air holes 221, and the two air holes are sewn to communicate the first air chamber 1 with the second air chamber 2.
Alternatively, the number of the vent holes 221 may be one, or two or more.
Example two:
fig. 10 to 13 are schematic views showing the structure of an airbag for a vehicle seat according to a second embodiment.
The vehicle seat airbag 10 in the second embodiment also includes a first air chamber 1 and a second air chamber 2 that communicate with each other, the first air chamber 1 being connected to both sides of a backrest 20 of the vehicle seat and being deployed from both sides of the backrest 20 toward the front of the vehicle seat after bypassing the head of a human body, and the second air chamber 2 being connected to the center of the inside of the first air chamber 1 and being deployed toward the human body after the first air chamber 1 is deployed.
The first air chamber 1 is semi-annular after being unfolded, the semi-annular surrounds the human body 100, two ends of the semi-annular are connected with two sides of a backrest 20 of the automobile seat, and gas generators are arranged on two sides of the backrest 20.
After the gas emitter is triggered, the two ends of the first air chamber 1 are simultaneously inflated, and the first air chamber 1 is rapidly unfolded from the two sides of the backrest 20 to form a semi-annular belt-shaped structure.
The difference from the first embodiment is that: as shown in fig. 13, the second air cell 2 includes a first vertical piece 24, a second vertical piece, and an annular band 25, the annular band 25 is connected between the first vertical piece 24 and the second vertical piece, and the annular band 25 is connected with the first air cell 1.
Specifically, the annular band 25 is looped in a single turn on a vertical plane, with the left edge of the band 25 being connected to the first upright 24 and the rear edge being connected to the second upright. The annular band 25 is directly connected to the first air chamber 1 for communicating the first air chamber 1 with the second air chamber 2.
As shown in fig. 6 and 12, in the second embodiment, the thickness of the second air chamber 2 after being unfolded is larger, so that the bag shape of the second air chamber 2 can be easily adjusted, and the human body can be better protected.
Further, as shown in fig. 11, the side of the endless belt 25 facing the human body 100 is formed with an inclined surface inclined from bottom to top in a direction away from the head.
That is, the endless belt 25 is inclined toward the front of the car seat from below to above on the side of the human body 100. A buffer space is reserved at the position corresponding to the head of the human body, so that the head and the neck of the human body 100 are better protected.
Further, as shown in fig. 13, the endless belt 25 is provided with vent holes 251, and the second air chamber 2 communicates with the first air chamber 1 through the vent holes 251.
The corresponding position on the first air chamber 1 is also provided with air holes, and the two air holes are sewed and communicated with the first air chamber 1 and the second air chamber 2.
Alternatively, the vent hole 251 may be one, or two or more.
Alternatively, the shape of the second air chamber 2 is not limited to the first and second embodiments, and may be other shapes.
Example three:
as shown in fig. 1, the car seat includes a seat cushion 30 and a backrest 20, a car seat airbag 10 is mounted on the backrest 20, the car seat airbag 10 includes a first air chamber 1 and a second air chamber 2 which are communicated with each other, the first air chamber 1 is connected to both sides of the backrest 20 of the car seat and is deployed toward the front of the car seat after bypassing the head of a human body from both sides of the backrest 20, and the second air chamber 2 is connected to the center of the inside of the first air chamber 1 and is deployed toward the human body after the first air chamber 1 is deployed.
The vehicle seat airbag 10 may be any one of the first embodiment or the second embodiment, or other forms.
Further, the car seat is a front passenger seat, or a rear seat.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.

Claims (10)

1. An automobile seat airbag is characterized by comprising a first air chamber and a second air chamber which are communicated with each other, wherein the first air chamber is connected to two sides of a backrest of an automobile seat and is unfolded towards the front of the automobile seat after the head of a human body is bypassed by two sides of the backrest, and the second air chamber is connected to the center of the inner side of the first air chamber and is unfolded towards the human body after the first air chamber is unfolded.
2. The vehicle seat airbag according to claim 1, wherein the first chamber has a half-ring shape after being deployed, the half-ring shape surrounds a human body, both ends of the half-ring shape are connected to both sides of a backrest of the vehicle seat, and gas generators are installed on both sides of the backrest.
3. The airbag for a vehicle seat according to claim 2, wherein the first air chamber includes a first vertical strip, a second vertical strip, a first horizontal strip, and a second horizontal strip, the first vertical strip and the second vertical strip being parallel to each other, the first horizontal strip being parallel to the second horizontal strip, the first horizontal strip being connected to upper edges of the first vertical strip and the second vertical strip, and the second horizontal strip being connected to lower edges of the first vertical strip and the second vertical strip.
4. The airbag for a car seat according to claim 1, wherein the second air chamber has a flat spherical shape, and the second air chamber includes a first circular piece, a second circular piece, and a circular ring piece, the circular ring piece is connected between the first circular piece and the second circular piece, the cross section of the circular ring piece is a circular arc shape, and the second circular piece is connected to the first air chamber.
5. The vehicle seat airbag of claim 4, wherein the second disc defines a vent hole, and the second air chamber is in communication with the first air chamber through the vent hole.
6. The vehicle seat airbag of claim 1, wherein the second air chamber comprises a first vertical tab, a second vertical tab, and an annular band connected between the first vertical tab and the second vertical tab, the annular band connected with the first air chamber.
7. The vehicle seat airbag according to claim 6, wherein a side of the endless belt facing the human body is formed with an inclined surface that is inclined from bottom to top in a direction away from the head.
8. The airbag for vehicle seats of claim 6, wherein the annular band is formed with a vent hole through which the second air chamber communicates with the first air chamber.
9. A car seat comprising a seat cushion and a backrest, wherein the car seat airbag according to any one of claims 1 to 8 is mounted on the backrest.
10. The vehicle seat according to claim 9, wherein the vehicle seat is a front passenger seat or a rear seat.
CN201922470773.7U 2019-12-31 2019-12-31 Car seat air bag and car seat Active CN211391192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922470773.7U CN211391192U (en) 2019-12-31 2019-12-31 Car seat air bag and car seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922470773.7U CN211391192U (en) 2019-12-31 2019-12-31 Car seat air bag and car seat

Publications (1)

Publication Number Publication Date
CN211391192U true CN211391192U (en) 2020-09-01

Family

ID=72226375

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922470773.7U Active CN211391192U (en) 2019-12-31 2019-12-31 Car seat air bag and car seat

Country Status (1)

Country Link
CN (1) CN211391192U (en)

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