CN217649408U - Ceiling type front airbag structure and automobile - Google Patents
Ceiling type front airbag structure and automobile Download PDFInfo
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- CN217649408U CN217649408U CN202221031792.5U CN202221031792U CN217649408U CN 217649408 U CN217649408 U CN 217649408U CN 202221031792 U CN202221031792 U CN 202221031792U CN 217649408 U CN217649408 U CN 217649408U
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Abstract
The utility model discloses a ceiling type front airbag structure, which belongs to the technical field of automobile safety and comprises a plurality of front airbags, wherein the front airbags are uniformly distributed in a vehicle ceiling above a back-row seat, the arrangement positions of the front airbags correspond to the positions of back-row passengers, the front airbags are positioned between a front-row seat backrest and a back-row seat backrest after being unfolded, and the front airbags form a wrapping structure after being unfolded for preventing the back-row passengers from transversely moving in the vehicle; the front safety air bag is connected with a seat passenger identification system, the seat passenger identification system is used for acquiring signals whether passengers are taken at corresponding positions of a rear row or not and transmitting the signals to an air bag controller, each front safety air bag is connected with a corresponding gas generator, the air bag controller is connected with a plurality of gas generators, and the air bag controller is used for controlling the gas generators to perform corresponding front safety air bag explosion.
Description
Technical Field
The utility model belongs to the technical field of car safety, concretely relates to positive air bag structure of ceiling formula and car.
Background
With the increasing importance of people on the safety performance of automobiles, the performance requirements of related standards and regulations are more and more stringent, in the process of protecting and developing front passengers of automobiles, currently, only front-row front airbags are matched with safety belts to protect drivers and copilot passengers in automobiles, rear passengers such as second-row and third-row (if any) front airbags do not have mature technical schemes for matching, and only safety belts are used for protecting rear passengers.
In the prior art, most rear front airbags are arranged in a seat back structure, and during a collision, the airbags are deployed from the inside of the seat back to protect the rear occupants. The other technical scheme is that a side air curtain structure is adjusted, the structure of an air bag is optimized, a front collision protection module is added, and a certain protection effect on rear-row passengers in front collision and side collision is achieved.
The prior art discloses an air bag structure, has contained a side gas curtain and a back row front airbag, and two parts are whole constitution, and both structures link to each other, and the point explodes the process and is aerifyd by gas generator is unified, can realize the effect of protection back row passenger's head, and back row front airbag air bag module volume is less, can not extend to chest, shank, and the protection effect is incomplete. However, the structure of the safety air bag is only an improvement of a side air curtain, and a rear-row frontal collision protection function is added.
The prior art discloses a vehicle safety protection device, which comprises a front seat and an airbag structure arranged in the front seat, wherein a rear front airbag is arranged in a front seat backrest, and the airbag structure of the front airbag is very similar to that of a front driver airbag and mainly protects the head and the chest of a rear passenger. In a frontal collision, the rear-row front airbag is exploded to protect a rear passenger, but is fixed inside the seat back on the rear side.
The prior art also discloses an airbag assembly, which is fixed on the inner surface of the decorative layer of the front seat backrest, and the airbag is designed to cover the front seat backrest after the rear front airbag is deployed, and is designed to be a flat airbag, so that the airbag has a large coverage area and can protect the head, the chest, the legs and the like of a rear passenger, and the rear front airbag is also fixed inside the rear side of the seat backrest.
In summary, in the conventional vehicle frontal collision accident process, the rear-row passenger in the vehicle is protected by only the safety belt and does not have the corresponding front airbag protection, so that the secondary collision injury of the rear-row passenger in the vehicle is serious, and therefore, it is urgently needed to provide a ceiling type front airbag structure to solve the above problems.
SUMMERY OF THE UTILITY MODEL
To the existence among the prior art at the vehicle frontal collision accident in-process, the back row passenger only has the safety belt to protect in the car, does not have the positive air bag protection that corresponds, causes the serious scheduling problem of back row passenger secondary collision injury in the car, the utility model provides a positive air bag structure of ceiling formula and car, this positive air bag structure is fixed in the ceiling position, corresponds back row left and right sides passenger position respectively, and can form the parcel structure when the air bag structure expandes, can openly protect passenger's safety, and through the air bag that the different passengers of air bag controller independent control correspond, can effectual protection back row passenger, alleviate the secondary collision injury in the frontal collision accident.
The utility model discloses a following technical scheme realizes:
a ceiling type front airbag structure comprises a plurality of front airbags 2, wherein the front airbags 2 are uniformly distributed in a vehicle ceiling 3 above a rear seat, the distribution positions of the front airbags 2 correspond to the positions of rear passengers, a track is arranged in the vehicle ceiling 3, the front airbags 2 are connected to the track in a sliding manner, the front airbags 2 are positioned between a front seat backrest 1 and a rear seat backrest 4 after being unfolded, and the front airbags 2 form a wrapping structure after being unfolded, so that the front airbags are used for protecting the safety of passengers and preventing the rear passengers from moving transversely in a vehicle; the front safety air bag 2 is connected with a seat passenger identification system, the seat passenger identification system is used for collecting signals of whether passengers are taken at corresponding positions of a rear row or not and transmitting the signals to an air bag controller, each front safety air bag 2 is connected with a corresponding gas generator, the air bag controller is connected with a plurality of gas generators, and the air bag controller is used for controlling the gas generators to perform corresponding front safety air bag detonation.
Further, the plurality of front airbags comprise two front airbags located in the vehicle ceiling 3 above the second row of seats, the arrangement positions of the two front airbags respectively correspond to the positions of the second row of passengers, each front airbag is respectively connected with a corresponding gas generator, and the gas generators are all connected with an airbag controller.
Further, the front airbags comprise two front airbags located in the vehicle ceiling 3 above the second row of seats and two front airbags located in the vehicle ceiling 3 above the third row of seats, the arrangement of the two front airbags located above the second row of seats corresponds to the position of a second row of passengers respectively, the arrangement of the two front airbags located above the third row of seats corresponds to the position of a third row of passengers respectively, each front airbag is connected with a corresponding gas generator respectively, and the gas generators are connected with the airbag controllers respectively.
Further, each of the front airbags is fixed by two ceiling fixing points.
Further, the gas generator is connected with the safety air bag controller through an explosion control wire harness.
Further, the two sides of the front airbag form protective wing-shaped structures after the front airbag is unfolded.
Further, the seat occupant recognition system includes an occupancy sensor disposed inside a seat cushion for recognizing whether the seat is occupied by an occupant and transmitting the recognized signal to an airbag controller.
Further, the seat passenger identification system comprises a safety belt unbuckled reminding device which is used for identifying whether a safety belt is fastened at the corresponding seat, further identifying whether a passenger is seated at the position and sending the identified signal to the safety air bag controller.
On the other hand, the utility model also provides an automobile, including foretell positive air bag structure of ceiling formula.
Compared with the prior art, the utility model has the advantages as follows:
(1) The utility model discloses in order to reduce the passenger injury of back row for example second row or third row, back row front airbag is that the back row corresponds the position and is protected by an air bag, and air bag sliding connection is on the track in the roof, in the actual frontal collision accident, is carried out the point by independent gas generator and explodes, the injury that the passenger received in the back row in the effectual reduction car in the collision process;
(2) The front airbag of the utility model forms a wrapping structure after being unfolded, thereby protecting the head, the chest, the legs and the like of the passengers on the back row, effectively preventing the passengers on the back row from moving transversely in the vehicle and reducing the risk of injury;
(3) The front safety airbag structure of the utility model can be matched with a seat passenger identification system for use, when a passenger is not seated in the corresponding position of the rear row, the rear row front safety airbag is detonated to achieve the purpose of protecting the passenger, which causes waste; at the moment, the passenger riding condition at the corresponding position can be judged and identified through a seat passenger identification system such as an occupancy sensor and a safety belt unbuckled reminding device, so that whether the safety airbag corresponding to the position explodes or not is determined, the purpose of protecting passengers in the vehicle is achieved, and the vehicle maintenance cost is saved.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a side view of a ceiling type front airbag structure according to the present invention in a deployed state;
fig. 2 is a schematic view showing a deployed state of a ceiling-mounted front airbag structure according to the present invention;
in the figure: a front seat back 1, a front airbag 2, a vehicle ceiling 3, a rear seat back 4, a first ceiling fixing point 5, a first gas generator 6, a second ceiling fixing point 7, a third ceiling fixing point 8, a second gas generator 9, and a fourth ceiling fixing point 10.
Detailed Description
For clear and complete description of the technical solution and the specific working process of the present invention, the following embodiments are provided in conjunction with the accompanying drawings of the specification:
in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
A ceiling type front airbag structure comprises a plurality of front airbags 2, wherein the front airbags 2 are uniformly distributed in a vehicle ceiling 3 above a rear seat, the distribution positions of the front airbags 2 correspond to the positions of rear passengers, a track is arranged in the vehicle ceiling 3, the front airbags 2 are connected to the track in a sliding manner, the front airbags 2 are positioned between a front seat backrest 1 and a rear seat backrest 4 after being unfolded, and the front airbags 2 form a wrapping structure after being unfolded, so that the front airbags are used for protecting the safety of passengers and preventing the rear passengers from moving transversely in a vehicle; the front safety air bag 2 is connected with a seat passenger identification system, the seat passenger identification system is used for collecting signals whether passengers are taken at corresponding positions of a rear row or not and transmitting the signals to an air bag controller, each front safety air bag 2 is connected with a corresponding gas generator, the air bag controller is connected with a plurality of gas generators, and the air bag controller is used for controlling the gas generators to perform corresponding front safety air bag explosion.
Further, the front airbags comprise two front airbags located in a vehicle ceiling 3 above the second row of seats, the arrangement positions of the two front airbags correspond to the positions of the second row of passengers respectively, each front airbag is connected with a corresponding gas generator respectively, and the gas generators are connected with airbag controllers respectively.
Further, the front airbags comprise two front airbags located in the vehicle ceiling 3 above the second row of seats and two front airbags located in the vehicle ceiling 3 above the third row of seats, the arrangement of the two front airbags located above the second row of seats corresponds to the position of a second row of passengers respectively, the arrangement of the two front airbags located above the third row of seats corresponds to the position of a third row of passengers respectively, each front airbag is connected with a corresponding gas generator respectively, and the gas generators are connected with the airbag controllers respectively.
Further, each of the front airbags is fixed by two ceiling fixing points.
Further, the gas generator is connected with the safety air bag controller through an explosion control wire harness.
Further, after the front airbag is unfolded, two sides form protective wing structures.
Further, the seat occupant recognition system includes an occupancy sensor disposed inside a seat cushion for recognizing whether the seat is occupied by an occupant and transmitting the recognized signal to an airbag controller.
Further, the seat passenger identification system comprises a safety belt unbuckled reminding device which is used for identifying whether a safety belt is fastened at the corresponding seat, further identifying whether a passenger is seated at the position and sending the identified signal to the safety air bag controller.
Example 1
As shown in fig. 1, a ceiling type front airbag structure includes a plurality of front airbags 2, wherein the two front airbags 2 are all arranged in a vehicle ceiling 3 above a rear seat, the arrangement positions of the front airbags 2 correspond to the positions of rear passengers, a rail is arranged in the vehicle ceiling 3, the front airbags 2 are slidably connected to the rail, the front airbags 2 are positioned between a front seat backrest 1 and a rear seat backrest 4 after being unfolded, and the front airbags 2 form a wrapping structure after being unfolded, so as to protect the safety of the passengers in front and prevent the rear passengers from moving transversely in the vehicle; the front safety air bag 2 is connected with a seat passenger identification system, the seat passenger identification system is used for collecting signals whether passengers are taken at corresponding positions of a rear row or not and transmitting the signals to an air bag controller, each front safety air bag 2 is connected with a corresponding gas generator, the air bag controller is connected with a plurality of gas generators, and the air bag controller is used for controlling the gas generators to perform corresponding front safety air bag explosion.
As shown in fig. 2, in the present embodiment, the front airbag includes two front airbags located in the vehicle ceiling 3 above the second row of seats, the arrangement positions of the two front airbags respectively correspond to the positions of the second row of passengers, and each front airbag is respectively connected with a corresponding gas generator, namely a first gas generator 6 and a second gas generator 9, and the first gas generator 6 and the second gas generator 9 are both connected with the airbag controller. The safety airbag is controlled to detonate through the safety airbag controller, when the collision strength reaches the detonation condition of the safety airbag, the safety airbag controller sends an ignition instruction to the gas generator of the corresponding safety airbag, and the gas generator releases gas to fill the safety airbag.
In this embodiment, the first front airbag is fixed in the vehicle roof 3 above the second row of seats by means of a first roof fixing point 5 and a second roof fixing point 7, and the second front airbag is fixed in the vehicle roof 3 above the second row of seats by means of a third roof fixing point 8 and a fourth roof fixing point 10.
In this embodiment, the gas generator is connected to the airbag controller via an explosion control harness.
In this embodiment, the front airbag forms protective wing structures on both sides after deployment.
In this embodiment, the seat occupant identification system includes an occupancy sensor disposed inside a seat cushion for identifying whether the seat is occupied by an occupant and sending the identified signal to an airbag controller.
When a frontal collision occurs, if a passenger is in the rear row position, the corresponding rear row front safety airbag is ignited; if no passenger is seated at the rear position, the corresponding rear front airbag is not ignited at the time of a frontal collision.
Example 2
A ceiling type front airbag structure comprises four front airbags 2, wherein the four front airbags 2 are uniformly arranged in a vehicle ceiling 3 above a rear row of seats;
in this embodiment, four positive air bags are including two positive air bags that are located the vehicle roof 3 of second row seat top and two positive air bags that are located the vehicle roof 3 of third row seat top, the arrangement of two positive air bags that are located the seat top of second row is arranged and is arranged respectively and is arranged passenger position with the second row and correspond, the arrangement of two positive air bags that are located the seat top of third row is arranged respectively and is arranged passenger position with the third row and correspond, and every positive air bag is connected with a gas generator that corresponds respectively, gas generator all is connected with the air bag controller.
Each front airbag is fixed by two ceiling fixing points.
The gas generator is connected with the safety airbag controller through an explosion control wire harness.
And protective wing-shaped structures are formed on two sides of the front-side safety air bag after the front-side safety air bag is unfolded.
The seat passenger identification system comprises a safety belt unbuckled reminding device which is used for identifying whether a safety belt is fastened at the position corresponding to the seat or not, further identifying whether a passenger is seated at the position or not and sending the identified signal to the safety airbag controller.
The above description is provided for the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be implemented by various simple modifications, which all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (9)
1. A ceiling type front airbag structure is characterized by comprising a plurality of front airbags (2), wherein the front airbags (2) are uniformly distributed in a vehicle ceiling (3) above a rear seat, the distribution positions of the front airbags (2) correspond to the positions of rear passengers, rails are arranged in the vehicle ceiling (3), the front airbags (2) are connected to the rails in a sliding mode, the front airbags (2) are positioned between a front seat backrest (1) and a rear seat backrest (4) after being unfolded, and the front airbags (2) form a wrapping structure after being unfolded, so that safety of passengers is protected in the front and the rear passengers are prevented from transversely moving in the vehicle; the front safety air bag (2) is connected with a seat passenger identification system, the seat passenger identification system is used for collecting signals of whether passengers are taken at corresponding positions of a rear row or not and transmitting the signals to an air bag controller, each front safety air bag (2) is connected with a corresponding gas generator, the air bag controller is connected with a plurality of gas generators, and the air bag controller is used for controlling the gas generators to perform corresponding front safety air bag ignition and explosion.
2. A roof type front airbag structure according to claim 1, wherein the plurality of front airbags include two front airbags located in a ceiling (3) of the vehicle above the second row of seats, the arrangement positions of the two front airbags correspond to the positions of the second row of passengers, respectively, and each front airbag is connected with a corresponding gas generator, which is connected with the airbag controller.
3. A ceiling-mounted front airbag structure according to claim 1, wherein the plurality of front airbags include two front airbags located in the ceiling (3) of the vehicle above the seats of the second row and two front airbags located in the ceiling (3) of the vehicle above the seats of the third row, the arrangement of the two front airbags located above the seats of the second row corresponds to the positions of the passengers of the second row, the arrangement of the two front airbags located above the seats of the third row corresponds to the positions of the passengers of the third row, and each front airbag is connected to a corresponding gas generator, which is connected to the airbag controller.
4. The roof front airbag structure according to claim 1, wherein each of the front airbags is fixed by two ceiling fixing points.
5. The roof front airbag structure of claim 1, wherein the gas generator is connected to the airbag controller by an ignition control harness.
6. The roof type front airbag structure according to claim 1, wherein the front airbag is formed with protective wing structures at both sides after deployment.
7. The roof front airbag structure of claim 1, wherein the seat occupant identification system comprises an occupancy sensor disposed inside a seat cushion for identifying whether the seat is occupied by an occupant and transmitting the identified signal to the airbag controller.
8. The roof front side airbag structure according to claim 1, wherein the seat occupant recognition system includes a seat belt unfastening reminder for recognizing whether a seat belt is fastened at a corresponding seat, and further recognizing whether an occupant is seated at the position, and transmitting the recognized signal to the airbag controller.
9. An automobile characterized by comprising the ceiling-type front airbag structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221031792.5U CN217649408U (en) | 2022-04-29 | 2022-04-29 | Ceiling type front airbag structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221031792.5U CN217649408U (en) | 2022-04-29 | 2022-04-29 | Ceiling type front airbag structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217649408U true CN217649408U (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221031792.5U Active CN217649408U (en) | 2022-04-29 | 2022-04-29 | Ceiling type front airbag structure and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217649408U (en) |
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2022
- 2022-04-29 CN CN202221031792.5U patent/CN217649408U/en active Active
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