WO2021135794A1 - 汽车前排座椅头顶安全气囊和汽车 - Google Patents
汽车前排座椅头顶安全气囊和汽车 Download PDFInfo
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- WO2021135794A1 WO2021135794A1 PCT/CN2020/133233 CN2020133233W WO2021135794A1 WO 2021135794 A1 WO2021135794 A1 WO 2021135794A1 CN 2020133233 W CN2020133233 W CN 2020133233W WO 2021135794 A1 WO2021135794 A1 WO 2021135794A1
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- Prior art keywords
- air chamber
- protective
- front seat
- chamber
- supporting
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- 230000001681 protective effect Effects 0.000 claims abstract description 64
- 230000006378 damage Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000009958 sewing Methods 0.000 claims description 14
- 208000027418 Wounds and injury Diseases 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 206010019196 Head injury Diseases 0.000 description 1
- 208000028373 Neck injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/213—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle roof frames or pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/214—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in roof panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/232—Curtain-type airbags deploying mainly in a vertical direction from their top edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/235—Inflatable members characterised by their material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
- B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
- B60R2021/0048—Head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R2021/161—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by additional means for controlling deployment trajectory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23192—Roof bags, i.e. protecting the occupant in a roll-over situation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
- B60R2021/23308—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other the individual compartments defining the external shape of the bag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23571—Inflatable members characterised by their material characterised by connections between panels
- B60R2021/23576—Sewing
Definitions
- the present invention relates to the technical field of airbags, in particular to an overhead airbag of the front seat of an automobile and an automobile.
- the purpose of the present invention is to overcome the shortcomings of the prior art, and provide a car front seat overhead airbag and a car that can prevent passengers from being injured under the child off-site working condition and the no-load working condition.
- the technical scheme of the present invention provides an overhead airbag for front seats of a car, which includes a supporting air chamber and a protective air chamber installed on the roof of the vehicle;
- the protective air chamber is in communication with the supporting air chamber, and after the supporting air chamber is expanded, the protective air chamber is expanded from the supporting air chamber toward the human body;
- a first protection space is left between the support air chamber and the protection air chamber on the side facing the human body, and the first protection space corresponds to the human head and is used to protect the human head and neck.
- the supporting air chamber includes a first air chamber and a second air chamber
- the protective air chamber includes a third air chamber and a fourth air chamber.
- the upper ends of the first air chamber and the second air chamber are connected together and branched from the upper end respectively with the third air chamber.
- the chamber is connected to the outer side of the fourth air chamber, and the third air chamber is connected to the inner side of the fourth air chamber;
- the first protective space is formed between the bifurcation section of the first air chamber and the second air chamber and the side of the third air chamber and the fourth air chamber facing the human body.
- first air chamber and the second air chamber are both round pipes, and extend downward from the roof of the vehicle along the windshield when unfolded.
- the lower ends of the first air chamber and the second air chamber conflict with the instrument panel after unfolding, and the middle section of the first air chamber and the second air chamber and the third air chamber and The fourth air chamber is in communication.
- a first air inlet is provided between the middle section of the first air chamber and the third air chamber, and a second air inlet is provided between the middle section of the second air chamber and the fourth air chamber.
- a loop of sewing thread at the inner connection of the third air chamber and the fourth air chamber is located on a vertical plane, and the length of the sewing thread is smaller than that of the third air chamber and the fourth air chamber.
- the maximum perimeter of the chamber is located on a vertical plane, and the length of the sewing thread is smaller than that of the third air chamber and the fourth air chamber.
- a connecting piece is further provided at the inner connection of the third air chamber and the fourth air chamber, and a plurality of vent holes are opened on the connecting piece, and the vent holes communicate with the third air chamber and the third air chamber.
- the edge of the connecting piece is stitched and connected with the third air chamber and the fourth air chamber to form the sewing thread.
- a second protection space is left between the support air chamber and the protection air chamber on the side away from the human body, and the second protection space is used to reduce injuries to children.
- the supporting air chamber includes a first air chamber and a second air chamber, the upper ends of the first air chamber and the second air chamber are connected together, and after branching from the upper end, the upper ends of the first air chamber and the second air chamber are respectively connected to the Protect the outer connection of the air chamber;
- the lower ends of the first air chamber and the second air chamber and the protective air chamber leave the second protective space on the side away from the human body.
- the present invention also provides an automobile, which includes a roof and an instrument panel, and also includes the vehicle front seat overhead airbag described in any one of the above, and the upper end of the supporting air chamber is connected with a gas generator.
- a first protection space is left between the support airbag and the protection airbag on the side facing the human body.
- the first protection space corresponds to the human head and is used to protect the human head and neck.
- the first protection space leaves enough buffer space for the human head. After a frontal collision, the human head will sink into the first protection space. Under the condition of no strapped load, the neck and head are prevented from being very severely affected. s damage.
- Figure 1 is a perspective view of an overhead airbag of a front seat of a car in an embodiment of the present invention
- Figure 2 is a perspective view of another perspective view of the overhead airbag of the front seat of a car in an embodiment of the present invention
- FIG. 3 is a diagram of the usage state of the overhead airbag of the front seat of a car in an embodiment of the present invention
- Figure 4 is a rear view of the car's front seat overhead airbag in use in an embodiment of the present invention.
- Fig. 5 is a cross-sectional view of a connecting piece of an overhead airbag of a front seat of a car in an embodiment of the present invention.
- Human body 100 car front seat overhead airbag 10, roof dashboard windshield 40;
- Support air chamber 1 first air chamber 11, second air chamber 12;
- Protective air chamber 2 the third air chamber 21, the fourth air chamber 22;
- Connecting piece 5 vent 51.
- the car's front seat overhead airbag 10 includes a supporting air chamber 1 and a protective air chamber 2 installed on the roof of the vehicle;
- the protective air chamber 2 is in communication with the supporting air chamber 1, and after the supporting air chamber 1 is expanded, the protective air chamber 2 is expanded from the supporting air chamber 1 toward the human body 100;
- a first protective space 3 is left between the supporting air chamber 1 and the protective air chamber 2 on the side facing the human body 100.
- the first protective space 3 corresponds to the head of the human body and is used to protect the head and neck of the human body 100.
- the upper end of the supporting gas chamber 1 is directly connected to the gas generator, and the supporting gas chamber 1 fills the gas of the gas generator into the protective gas chamber 2. Therefore, the supporting air chamber 1 plays a role of guiding air and supporting the protective air chamber 2, so that the protective air chamber 2 can be quickly deployed toward the human body 100 to protect the human body 100.
- the overhead airbag 10 of the front seat of the automobile is folded and contained in the roof of the vehicle.
- the gas generator inflates the airbag 10 over the front seat of the car.
- the support air chamber 1 is deployed, and the support air chamber 1 is flushed out from the roof, and then tilted downward and forward (the front of the car) is deployed; after the support air chamber 1 is deployed, the protective air chamber 2 starts to expand and inflates, and the protective air chamber 2 is corresponding to the human body
- the front of it is unfolded toward the human body 100.
- a first protective space 3 is formed between the supporting air chamber 1 and the protective air chamber 2, and the first protective space 3 is located on the side facing the human body 100, that is, located toward the rear of the vehicle body On the side.
- the protective air chamber 2 contacts the human body's chest, and the human head sinks into the first protective space 3.
- the first protective space 3 is the human head under the condition of no seat belt load.
- the neck provides cushioning space to reduce neck and head injuries.
- the supporting air chamber 1 includes a first air chamber 11 and a second air chamber 12;
- the protective air chamber 2 includes a third air chamber 21 and a fourth air chamber 22.
- the upper ends of the first air chamber 11 and the second air chamber 12 are connected together, and after branching from the upper end, they are respectively connected to the third air chamber 21 and the fourth air chamber.
- the outer side of the air chamber 22 is connected, and the third air chamber 21 is connected to the inner side of the fourth air chamber 22;
- the first protective space 3 is formed between the bifurcation section of the first air chamber 11 and the second air chamber 12 and the side of the third air chamber 21 and the fourth air chamber 22 facing the human body.
- the upper ends of the first gas chamber 11 and the second gas chamber 12 are directly connected to the gas generator, and the gas generator starts to inflate from the upper ends of the first gas chamber 11 and the second gas chamber 12.
- the lower ends of the first air chamber 11 and the second air chamber 12 are closed ends, which extend to the instrument panel.
- the upper ends of the first air chamber 11 and the second air chamber 12 are connected together and then branched to form a structure similar to a tree branch.
- the branched first air chamber 11 and the second air chamber 12 are respectively connected to the third air chamber 21 and the outside of the fourth air chamber 22 are connected.
- outer side and inner side are relative to the center of the third and fourth air chambers. Far away from the centers of the two are referred to as “outside”, and close to the centers of the two are referred to as “inside”.
- the first air chamber 11 and the second air chamber 12 are connected to the outside of the third air chamber 21 and the fourth air chamber 22, so that the space of the first protection space 3 can be increased.
- the first protective space 3 is located between the bifurcation section of the first air chamber 11 and the second air chamber 12 and the side of the third air chamber 21 and the fourth air chamber 22 facing the human body, forming a space similar to a rhombus. In a forward collision, the head of the human body will sink forward into the first protective space 3 under the condition of no seat belt load. The first protective space 3 provides sufficient buffer space for the head and neck of the human body.
- the protective air chamber 2 includes two air chambers, it can be used in 90OMDB (90Km/h Oblique Moving Deformation Barrier, 90Km/h oblique moving deformation barrier) and 64SOB (64Km/h Small Overlap Barrier, 64Km/h small overlapping barrier). Under the circumstances, both performed well.
- 90OMDB 90Km/h Oblique Moving Deformation Barrier, 90Km/h oblique moving deformation barrier
- 64SOB 64Km/h Small Overlap Barrier, 64Km/h small overlapping barrier
- the shape of the first protection space 3 is not limited to the style of this embodiment.
- the width of the third air chamber 21 and the fourth air chamber 22 in the left-to-right direction of the vehicle body is sufficient, after the first air chamber 11 and the second air chamber 12 are bifurcated, they can also be connected to the third air chamber 21 and The top of the fourth air chamber 22 is connected.
- the first air chamber 11 and the second air chamber 12 are both circular tubes, which extend downward from the roof of the vehicle along the windshield 40 when unfolded.
- the first air chamber 11 and the second air chamber 12 extend from the roof of the vehicle along the windshield 40 obliquely downward and forward toward the dashboard. This deployment path facilitates the rapid deployment of the first air chamber 11 and the second air chamber 12. After the first air chamber 11 and the second air chamber 12 are unfolded, the upper surface abuts against the windshield 40, and the windshield 40 can be used to stably support and protect the air chamber 2.
- first air chamber 11 and the second air chamber 12 may also have an oblate tube shape or a rectangular tube shape.
- the lower ends of the first air chamber 11 and the second air chamber 12 conflict with the instrument panel after unfolding, and the middle section of the first air chamber 11 and the second air chamber 12 is in contact with the third air chamber 21 and the second air chamber.
- the four air chambers 22 are connected.
- a first air inlet hole is provided between the middle section of the first air chamber 11 and the third air chamber 21, and a second air inlet hole is provided between the middle section of the second air chamber 12 and the fourth air chamber 22.
- the first air chamber 11 is inflated toward the third air chamber 21 through the first air inlet hole
- the second air chamber 12 is inflated toward the fourth air chamber 22 through the second air inlet hole.
- the third air chamber 21 and the fourth air chamber 22 are in communication with each other to facilitate rapid inflation and deployment of the entire airbag.
- a circle of sewing thread 4 at the inner side of the third air chamber 21 and the fourth air chamber 22 is located on the vertical plane, and the length of the sewing thread 4 is smaller than that of the third air chamber 21 And the maximum perimeter of the fourth air chamber 22.
- the sewing thread 4 is a closed loop in the third air chamber 21 and the fourth air chamber 22.
- the third air chamber 21 and the fourth air chamber 22 After the third air chamber 21 and the fourth air chamber 22 are unfolded, they resemble a bulged bread shape and are arranged in a vertical direction.
- the maximum circumference of the third air chamber 21 and the fourth air chamber 22 along the vertical plane is greater than the length of the sewing thread 4 therebetween.
- a recessed structure is formed on the side of the third air chamber 21 and the fourth air chamber 22 facing the human body 100, and the recessed structure is bifurcated from the first air chamber 11 and the second air chamber 12 A diamond-like space is formed between the ends.
- the head of the human body rushes forward, the head will sink into this recessed structure and be supported by the bifurcated ends of the first air chamber 11 and the second air chamber 12 at the same time. It not only plays the role of buffering the head and neck, but also prevents the head from passing through the first protective space 3 from back to front.
- the third air chamber 21 and the fourth air chamber 22 are also provided with a connecting piece 5 at the inner side of the connection piece.
- the connecting piece 5 is provided with a plurality of vent holes 51, and the vent holes 51 communicate with the third air chamber.
- Chamber 21 and the fourth air chamber 22, the edges of the connecting piece 5 and the third air chamber 21 and the fourth air chamber 22 are stitched and connected to form a sewing thread 4.
- the air pressure balance between the third air chamber 21 and the fourth air chamber 22 can be achieved through a plurality of vent holes 51, and the third air chamber 21 and the fourth air chamber 22 can be kept expanded at the same time as much as possible.
- the number of vent holes 51 on the connecting piece 5 may be one or more than two.
- the connecting piece 5 may not be provided, and the inside of the third air chamber 21 and the fourth air chamber 22 are opened and connected by the sewing thread 4.
- a second protective space 6 is left between the supporting air chamber 1 and the protective air chamber 2 on the side far away from the human body 100, and the second protective space 6 is used to reduce injuries to children.
- the supporting air chamber 1 includes a first air chamber 11 and a second air chamber 12.
- the upper ends of the first air chamber 11 and the second air chamber 12 are connected together, and are branched from the upper end with the protective air chamber 2 respectively. Outside connection
- the lower ends of the first air chamber 11 and the second air chamber 12 and the protective air chamber 2 leave a second protective space 6 on the side away from the human body 100.
- the second protective space 6 is located on the side close to the front of the vehicle.
- the lower ends of the first air chamber 11 and the second air chamber 12 are used to define the left and right boundaries of the second protective space 6, and the protective air chamber 2 is used to define the second protective space 6
- the rear boundary, the upper boundary of the second protection space 6 is the windshield 40, and the front boundary is the instrument panel.
- the second protective space 6 Since the second protective space 6 is located on the front side of the protective air chamber 2, the human body 100 hits the protective air chamber 2 in a forward collision, and the protective air chamber 2 has a relatively large reaction force on the human body 100 while buffering.
- the second protection space 6 can increase the cushioning properties of the protection air chamber 2, and the protection air chamber 2 can be deformed toward the second protection space 6.
- the present invention also provides an automobile, which includes a roof and an instrument panel, and also includes an overhead airbag 10 for the front seats of the automobile, and the upper end of the supporting air chamber 1 is connected with a gas generator.
- the overhead airbag 10 of the front seat of the automobile in this embodiment is installed on the roof of the co-pilot to protect the passengers of the co-pilot.
- the first officer is allowed to ride children aged 3-6. Therefore, the provision of the second protective space 6 in the overhead airbag 10 of the front seat of the automobile can be adapted to the needs of the US market. At the same time, it can also be applied to the protection of adults in the Chinese market when there is no seat belt load.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Description
Claims (10)
- 一种汽车前排座椅头顶安全气囊,其特征在于,包括安装在车顶的支撑气室和保护气室;所述支撑气室展开时从所述车顶朝向仪表板展开;所述保护气室与所述支撑气室连通,所述支撑气室展开后,所述保护气室从所述支撑气室朝向人体的方向展开;所述支撑气室与所述保护气室之间在面向人体的一侧留有第一保护空间,所述第一保护空间对应人体头部,用于保护人体的头部和颈部。
- 根据权利要求1所述的汽车前排座椅头顶安全气囊,其特征在于,所述支撑气室包括第一气室和第二气室;所述保护气室包括第三气室和第四气室,所述第一气室和所述第二气室的上端连接在一起,并从所述上端分叉后分别与所述第三气室与所述第四气室的外侧连接,所述第三气室与所述第四气室的内侧连通;所述第一气室和所述第二气室的的分叉段与所述第三气室和所述第四气室面向人体的一侧之间形成所述第一保护空间。
- 根据权利要求2所述的汽车前排座椅头顶安全气囊,其特征在于,所述第一气室和所述第二气室均为圆管状,展开时从车顶沿挡风玻璃向下延伸。
- 根据权利要求3所述的汽车前排座椅头顶安全气囊,其特征在于,所述第一气室和所述第二气室的下端展开后与所述仪表板抵触,所述第一气室和所述第二气室的中段与所述第三气室和所述第四气室连通。
- 根据权利要求4所述的汽车前排座椅头顶安全气囊,其特征在于,所述第一气室的中段与所述第三气室之间设有第一进气孔,所述第二气室的中段与所述第四气室之间设有第二进气孔。
- 根据权利要求2所述的汽车前排座椅头顶安全气囊,其特征在于,所述第三气室与所述第四气室的内侧连接处的一圈缝纫线位于竖直平面上,所述缝纫线的长度小于所述第三气室和所述第四气室的最大周长。
- 根据权利要求6所述的汽车前排座椅头顶安全气囊,其特征在于,所述第三气室与所述第四气室的内侧连接处还设有连接片,所述连接片 上开设有多个通气孔,所述通气孔连通所述第三气室和所述第四气室,所述连接片的边缘与所述第三气室和所述第四气室缝纫连接形成所述缝纫线。
- 根据权利要求1所述的汽车前排座椅头顶安全气囊,其特征在于,所述支撑气室与所述保护气室之间在远离人体的一侧留有第二保护空间,所述第二保护空间用于减少对儿童的伤害。
- 根据权利要求8所述的汽车前排座椅头顶安全气囊,其特征在于,所述支撑气室包括第一气室和第二气室,所述第一气室和所述第二气室的上端连接在一起,并从所述上端分叉后分别与所述保护气室的外侧连接;所述第一气室和所述第二气室的下端与所述保护气室在远离人体的一侧留有所述第二保护空间。
- 一种汽车,包括车顶和仪表板,其特征在于,还包括权利要求1-9任一项所述的汽车前排座椅头顶安全气囊,所述支撑气室的上端连接气体发生器。
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JP2022531506A JP7423777B2 (ja) | 2019-12-31 | 2020-12-02 | 自動車フロントシートオーバーヘッドエアバッグ及び自動車 |
KR1020227025921A KR20220112855A (ko) | 2019-12-31 | 2020-12-02 | 자동차 앞좌석 오버헤드 에어백 및 자동차 |
US17/757,997 US11964624B2 (en) | 2019-12-31 | 2020-12-02 | Automotive front seat overhead airbag and automobile |
EP20908499.5A EP4086122A4 (en) | 2019-12-31 | 2020-12-02 | OVERHEAD AIRBAG FOR MOTOR VEHICLE FRONT SEAT AND MOTOR VEHICLE |
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CN201911412993.2A CN113060090B (zh) | 2019-12-31 | 2019-12-31 | 汽车前排座椅头顶安全气囊和汽车 |
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Also Published As
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JP2023504102A (ja) | 2023-02-01 |
JP7423777B2 (ja) | 2024-01-29 |
KR20220112855A (ko) | 2022-08-11 |
CN113060090B (zh) | 2023-11-28 |
EP4086122A1 (en) | 2022-11-09 |
US11964624B2 (en) | 2024-04-23 |
CN113060090A (zh) | 2021-07-02 |
US20230015426A1 (en) | 2023-01-19 |
EP4086122A4 (en) | 2024-01-24 |
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