CN210707295U - Passenger protection device in car and car - Google Patents

Abstract

An in-car passenger protection device and a car relate to the technical field of car safety. This passenger protection device in car sets up in the car under the floor and be located between two rows of seats that set up in opposite directions, and it includes casing, shroud, air pocket and gas generator, the casing with floor fixed connection in the car, gas generator set up in the casing, the air pocket has first opening, first opening connect set up in on the gas generator, just the air pocket folding set up in the casing, the casing orientation one side on floor in the car is provided with the second opening, the shroud lid fits the second opening, gas generator starts to pass through first opening to carry gas in the air pocket, the air pocket volume expansion breaks through the shroud by the second opening outwards extends. The automobile comprises the in-automobile occupant protection device. The vehicle occupant protection device and the vehicle can effectively protect the personal safety of occupants sitting opposite to each other.

Description

Passenger protection device in car and car

Technical Field

The utility model relates to an automobile safety technical field particularly, relates to a passenger protection device and car in car.

Background

As one of the convenient transportation means, the automobile has penetrated into every corner of people's life, and various related problems increase, wherein the problems of potential safety hazards and driving safety are particularly prominent. It is common practice in the manufacture of automobiles to provide safety devices within the vehicle to protect occupants in the event of a vehicle accident, such as a collision or rollover.

The safety device includes a seat belt for restraining the body of an occupant and an airbag for attenuating the impact applied to the occupant. Generally, an airbag is respectively installed at a steering wheel and an instrument panel of a vehicle to protect front passengers, and rear passengers are protected by a safety belt, so that the protection effect is very limited, and particularly, in the case that rear passengers in a multi-purpose vehicle (MPV) are seated in opposition to each other, the vehicle lacks effective protection measures and cannot ensure the personal safety of the passengers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a passenger protection device and car in car can protect effectively in opposite directions and the personal safety of the passenger who sits.

The embodiment of the utility model is realized like this:

an aspect of the embodiment of the utility model provides an interior passenger protection device sets up in the car under the floor and be located between two rows of seats that set up in opposite directions, interior passenger protection device includes casing, shroud, air pocket and gas generator, the casing with floor fixed connection in the car, gas generator set up in the casing, the air pocket has first opening, first opening connect set up in on the gas generator, just the air pocket is folding set up in the casing, the casing orientation one side on floor in the car is provided with the second opening, the shroud lid fits the second opening, gas generator starts to pass through first opening to conveying gas in the air pocket, the air pocket volume expansion breaks through the shroud by the second opening outwards extends. The vehicle occupant protection device can effectively protect the personal safety of the occupants sitting opposite to each other.

Optionally, in the preferred embodiment of the present invention, the airbag further comprises a position-limiting belt, the position-limiting belt is disposed in the airbag, two ends of the position-limiting belt are respectively fixed to positions close to two sides of the first opening, the airbag is inflated to expand to the two ends of the position-limiting belt, and the position-limiting belt is expanded to limit the expansion between the two ends of the position-limiting belt when the airbag is fixed.

Optionally, in a preferred embodiment of the present invention, the air bag is shaped as a funnel, and the first opening is located at a small-diameter end of the funnel.

Optionally, in a preferred embodiment of the present invention, the vehicle further includes a bracket, and the housing is fixedly connected to the floor inside the vehicle through the bracket.

Optionally, in a preferred embodiment of the present invention, the gas generator further comprises a fixing member, and an edge of the gas bag where the first opening is located is disposed on the gas generator through the fixing member.

Optionally, in the preferred embodiment of the present invention, a connecting rod is disposed on one side of the fixing member close to the gas generator, a fixing hole is correspondingly disposed on an outer wall surface of the gas generator, the in-vehicle occupant protection device further includes a fastening member, and the connecting rod of the fixing member passes through the fixing hole of the gas generator and passes through the fastening member fixed to the gas generator.

The embodiment of the utility model provides a further aspect provides a car, including first seat and the second seat that sets up in opposite directions, still include foretell car interior passenger protection device, car interior passenger protection device sets up in the car under the floor, and is located first seat with between the second seat. The vehicle occupant protection device can effectively protect the personal safety of occupants.

Optionally, in a preferred embodiment of the present invention, a distance between the in-vehicle occupant protection device and the first seat is equal to a distance between the in-vehicle occupant protection device and the second seat.

Optionally, in a preferred embodiment of the present invention, the vehicle further comprises a headrest airbag, and the headrest airbag is disposed at the head position of the first seat and/or the head position of the second seat.

The utility model discloses beneficial effect includes:

the safety device is different from a common safety device in the prior art, the in-car passenger protection device is arranged under the floor in the car and is positioned between two rows of seats which are arranged oppositely, so that the personal safety of passengers sitting oppositely is effectively protected, and the personal safety of the passengers in the car is further protected by matching with other safety devices in the prior art. Specifically, this passenger protection device in car includes casing, shroud, air pocket and gas generator, and casing fixed connection is in the floor in the car, and gas generator sets up in the casing, and the one end of air pocket is provided with first opening, and first opening is connected and is set up on gas generator, and the air pocket is folding to be set up in the casing, and one side that the casing was towards floor in the car still is provided with the second opening, and the shroud lid fits the second opening of casing. When the automobile is impacted by external force, the gas generator can be started to enter a working state, gas is conveyed into the gas bag through the first opening, along with the fact that the gas is continuously filled into the gas bag, the volume of the gas bag is gradually expanded to break through the cover cap, the gas bag can be exposed out of the floor in the automobile through the second opening and continuously extends outwards until the gas bag is filled with the gas, namely the volume of the gas bag is expanded to the maximum, the gas bag is located between passengers seated in the automobile in opposite directions, and therefore personal safety of the passengers seated in opposite directions is effectively protected.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an in-vehicle occupant protection apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an automobile according to an embodiment of the present invention.

Icon: 100-in-vehicle occupant protection device; 10-a housing; 11-a second opening; 20-air pocket; 21-a first opening; 30-a gas generator; 40-a limiting belt; 50-a fastener; 60-a fixing member; 200-automobile; 70-a seat; 71-a first seat; 72-a second seat; 80-headrest airbag.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and fig. 2, the present embodiment provides an automobile 200. The automobile 200 provided in the present embodiment includes a first seat 71 and a second seat 72 that are disposed opposite to each other, and further includes an in-vehicle occupant protection apparatus 100, and the in-vehicle occupant protection apparatus 100 is disposed under the floor in the automobile and is located between the first seat 71 and the second seat 72.

First, the in-vehicle occupant protection apparatus 100 is disposed under an in-vehicle floor (not shown) and between the first seat 71 and the second seat 72, which are disposed oppositely, so as to protect the personal safety of the occupants seated oppositely, and to make the automobile 200 easier to arrange the safety device without occupying the space of other devices (for example, a sunroof of the automobile 200 or an intelligent display screen needs to be disposed on the ceiling of the automobile 200), and even affecting the functions of other devices.

Secondly, when more seats 70 are included in the automobile 200, such as a third seat, a fourth seat, etc., the number of the in-vehicle occupant protection devices 100 can be increased accordingly, and the personal safety of the occupants seated in the two rows of seats 70 facing each other can be protected only by ensuring that the in-vehicle occupant protection devices 100 are disposed under the floor of the automobile and between any two rows of seats 70 disposed facing each other.

Referring to fig. 1, the vehicle occupant protection apparatus 100 includes a housing 10, a cover, an air bag 20, and a gas generator 30, the housing 10 is fixedly connected to a vehicle interior floor, the gas generator 30 is disposed in the housing 10, the air bag 20 has a first opening 21, the first opening 21 is connected to the gas generator 30, the air bag 20 is folded and disposed in the housing 10, a second opening 11 is disposed on a side of the housing 10 facing the vehicle interior floor, the cover covers the second opening 11, the gas generator 30 starts to deliver gas into the air bag 20 through the first opening 21, and the air bag 20 expands in volume and breaks through the cover and extends outward from the second opening 11. The in-vehicle occupant protection apparatus 100 can effectively protect the personal safety of occupants seated in opposition to each other.

First, unlike a conventional safety device, the in-vehicle occupant protection device 100 is disposed under a vehicle interior floor and is located between two rows of seats 70 (i.e., the first seat 71 and the second seat 72) disposed opposite to each other to effectively protect personal safety of occupants seated in opposite directions, and further protects personal safety of occupants in the vehicle 200 in cooperation with another conventional safety device.

Specifically, the vehicle occupant protection device 100 includes a housing 10, a cover, an air bag 20 and a gas generator 30, the housing 10 is fixedly connected to a vehicle interior floor, the gas generator 30 is disposed in the housing 10, one end of the air bag 20 is provided with a first opening 21, the first opening 21 is connected to the gas generator 30, the air bag 20 is folded and disposed in the housing 10, one side of the housing 10 facing the vehicle interior floor is further provided with a second opening 11, and the cover covers the second opening 11 of the housing 10.

When the automobile 200 is impacted by an external force, the gas generator 30 can be started to enter a working state, gas is conveyed into the gas bag 20 through the first opening 21, the gas is continuously filled into the gas bag 20, the volume of the gas bag 20 gradually expands to break through the cover, and the gas bag can be exposed out of the floor in the automobile through the second opening 11 and continuously extends outwards until the gas bag 20 is filled with the gas, namely the volume of the gas bag 20 expands to the maximum, and the gas bag 20 is positioned between passengers seated in opposite directions in the automobile, so that the personal safety of the passengers seated in opposite directions is effectively protected.

Secondly, when the automobile 200 is impacted by an external force, whether the gas generator 30 needs to enter a working state or not needs to be accurately judged according to the impact strength detected by the sensor and the control instruction of the controller, and the process method can be designed by referring to a detection control method for detecting whether the airbag of the safety device is inflated or not in the prior art, which is not particularly limited in this embodiment.

Illustratively, a safety threshold of the impact strength is preset in the controller in advance, after the sensor sends the actual value of the impact strength of the detected automobile 200 to the controller, the controller compares the preset safety threshold with the actual value of the impact strength, when the actual value of the impact strength is smaller than the preset safety threshold, the gas generator 30 is in a standby state, and at this time, the gas generator 30 does not generate gas; when the actual impact force value is greater than or equal to the preset safety threshold, the gas generator 30 is activated to enter the working state and supply gas into the gas bag 20 through the first opening 21.

As described above, when the automobile 200 is impacted by an external force, the gas generator 30 can be activated to enter the operating state, and supply gas into the gas bag 20 through the first opening 21, and as the gas is continuously filled into the gas bag 20, the volume of the gas bag 20 gradually expands to break through the cover, and can also be exposed out of the floor of the automobile through the second opening 11 and continue to extend outward until the gas bag 20 is filled with gas, that is, the volume of the gas bag 20 expands to the maximum, and at this time, the gas bag 20 is located between the passengers seated in opposite directions in the automobile, so as to effectively protect the personal safety of the passengers seated in opposite directions. Unlike the conventional safety device, the in-vehicle occupant protection device 100 is disposed under the floor of the vehicle and between two rows of seats 70 disposed opposite to each other, so as to effectively protect the personal safety of the occupants seated in opposite directions, and further protect the personal safety of the occupants in the vehicle 200 by cooperating with other safety devices in the prior art.

Preferably, in the present embodiment, the distance between the in-vehicle occupant protection apparatus 100 and the first seat 71 is equal to the distance between the in-vehicle occupant protection apparatus 100 and the second seat 72, so that the in-vehicle occupant protection apparatus is at a distance equal to the distance between the occupant seated in the first seat 71 and the occupant seated in the second seat 72 (excluding other uncontrollable artifacts herein), to simultaneously protect the occupants seated in opposite directions.

Referring to fig. 2, preferably, in the present embodiment, the automobile 200 further includes a headrest airbag 80, and the headrest airbag 80 is disposed at a head position of the first seat 71 and/or a head position of the second seat 72.

It should be noted that the headrest airbag 80 may be provided only at the head position of the first seat 71 or only at the head position of the second seat 72, and of course, the headrest airbag 80 may be provided at the head position of the first seat 71 and the head position of the second seat 72, respectively, to provide better protection to the neck of the occupants seated in opposition to each other.

Referring to fig. 2, since the space corresponding to the upper half of the passenger is larger and the space corresponding to the leg of the passenger is smaller between two rows of seats 70 disposed in any opposite direction in the vehicle 200, when the gas generator 30 starts to deliver gas to the airbag 20 through the first opening 21, in order to expand the volume of the side of the airbag 20 close to the upper half of the passenger sufficiently and prevent the side of the airbag 20 close to the leg of the passenger from expanding too fast and colliding with the leg of the passenger to hurt the passenger, in this embodiment, the in-vehicle occupant protection apparatus 100 further includes a position-limiting belt 40, the length of the position-limiting belt 40 is a certain value, the position-limiting belt 40 is disposed in the airbag 20, and both ends of the position-limiting belt 40 are respectively fixed to the positions close to both sides of the first opening 21 (i.e., the side of the airbag 20 close to the leg of the passenger after expansion), and are stretched as the airbag 20 is inflated and expanded to both ends of the position, the check band 40 is deployed to restrict expansion between the ends of the air bag 20 where the check band 40 is fixed.

Referring to fig. 2, in the present embodiment, the airbag 20 is shaped as a funnel, and the first opening 21 is located at the small-caliber end of the funnel, so as to meet the space design that the space corresponding to the upper body of the occupant is larger and the space corresponding to the leg of the occupant is smaller between two rows of seats 70 arbitrarily arranged in opposite directions in the automobile 200.

In the present embodiment, the in-vehicle occupant protection apparatus 100 further includes a bracket (not shown in the drawings), and the housing 10 is fixedly connected to the in-vehicle floor through the bracket, so as to stably fixedly connect the in-vehicle occupant protection apparatus 100 to the in-vehicle floor.

Referring to fig. 1, in the present embodiment, the in-vehicle occupant protection apparatus 100 further includes a fixing member 60, and the edge of the air bag 20 where the first opening 21 is located is connected to the gas generator 30 through the fixing member 60. Specifically, a connecting rod is disposed on one side of the fixing member 60 close to the gas generator 30, a fixing hole is correspondingly disposed on an outer wall surface of the gas generator 30, the in-vehicle occupant protection apparatus 100 further includes a fastening member 50, and the connecting rod of the fixing member 60 passes through the fixing hole of the gas generator 30 and is fixedly connected to the gas generator 30 through the fastening member 50.

The housing 10 may be designed as a rectangular parallelepiped, the fixing element 60 may be a rectangular ring structure adapted to the shape of the housing 10, and meanwhile, one side of the fixing element 60 near the inside of the housing 10 is further provided with several connecting screws (e.g., four connecting screws for fixing four corners of the air bag 20), and the fastening element 50 correspondingly selects a connecting nut, so that when the edge of the air bag 20 where the first opening 21 of the air bag 20 is located is connected to the gas generator 30 through the fixing element 60, the connecting screw of the fixing element 60 passes through the fixing hole of the gas generator 30 and is fixedly connected to the gas generator 30 through the connecting nut.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides an interior passenger protection device, sets up in the car under the floor and be located between two rows of seats that set up in opposite directions, a serial communication port, interior passenger protection device includes casing, shroud, air pocket and gas generator, the casing with floor fixed connection in the car, gas generator set up in the casing, the air pocket has first opening, first opening connect set up in on the gas generator, just the air pocket folding set up in the casing, the casing orientation one side on floor in the car is provided with the second opening, the shroud lid fits the second opening, gas generator starts to pass through first opening to conveying gas in the air pocket, the air pocket volume expansion breaks through the shroud by the second opening outwards extends.

2. The in-vehicle occupant protection apparatus according to claim 1, further comprising a stopper belt provided in the airbag and having both ends fixed to positions near both sides of the first opening, respectively, wherein the airbag is inflated and expanded until both ends of the stopper belt stretch, and the stopper belt is deployed to restrict expansion of the airbag between the ends of the stopper belt.

3. The in-vehicle occupant protection apparatus according to claim 1, wherein said air bag has a funnel shape, and said first opening is located at a small-caliber end of said funnel shape.

4. The in-vehicle occupant protection apparatus according to claim 1, further comprising a bracket, wherein said housing is fixedly connected to said in-vehicle floor via said bracket.

5. The in-vehicle occupant protection apparatus according to claim 1, further comprising a fixing member, wherein an edge of the air bag where the first opening is located is connected to the gas generator through the fixing member.

6. The vehicle occupant protection apparatus according to claim 5, wherein a connecting rod is provided at a side of the fixing member close to the gas generator, a fixing hole is correspondingly provided at an outer wall surface of the gas generator, and the vehicle occupant protection apparatus further comprises a fastening member, wherein the connecting rod of the fixing member passes through the fixing hole of the gas generator and is fixedly connected to the gas generator through the fastening member.

7. An automobile comprising a first seat and a second seat disposed opposite to each other, and further comprising an in-vehicle occupant protection apparatus according to any one of claims 1 to 6 disposed under an in-vehicle floor between the first seat and the second seat.

8. The automobile of claim 7, wherein a distance between the in-vehicle occupant protection device and the first seat is equal to a distance between the in-vehicle occupant protection device and the second seat.

9. The automobile of claim 7, further comprising a headrest airbag disposed at a head position of the first seat and/or a head position of the second seat.

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