CN208559270U - A kind of air bag of vehicle distal end impact - Google Patents

Abstract

The utility model discloses a kind of air bag of vehicle distal end impact, including the tray assembly being placed on vehicle seat side skeleton, contain air bag, air guide bag and aerator in the tray assembly, the air bag goes to upper and lower two parts after aerator is full of expansion, and the volume of upper part is less than the volume of lower part point；The bottom of the air bag is arranged in the air guide bag, and the aerator is fixed on the inside of air guide bag；The inside of the air guide bag is also provided with multiple gas ports.The utility model can alleviate the mutual collision between occupant, can also reduce the side whipping injury of non-collision side occupant.

Description

A kind of air bag of vehicle distal end impact

Technical field

The utility model belongs to the technical field of automotive safety equipment, more particularly to a kind of vehicle peace of distal end impact Full air bag.

Background technique

When vehicle crashes, the injury of passenger how is reduced by vehicle body, interior restraint system, one Since straight, domestic and international expert puts into a large amount of manpower financial capacities to this and goes to improve, and has obtained centainly to the protection of single occupant so far Effect.In collision process, occupant becomes to be increasingly urgent to the collision damage of occupant.EuroNCAP considered in 18 years in side in the original plan Increase the collision damage evaluation between front-row occupant in the operating condition of face collision.In side collision, collide side occupant had compared with It is protected for mature installing side airbag, but the occupant of non-collision side can collide under side impact with collision side occupant, cause Head, neck and basin damage (especially head).Air bag is placed among occupant, and the collision between occupant can be effectively relieved Injury.But due to there is certain space among occupant, air bag can not be almost supported by boundary, and air bag itself is needed to have one Fixed structural support.So the pouch-type structural design optimization of distal balloon just seems increasingly important.

Utility model content

The utility model is in order to solve technical problem present in above-mentioned background technique, under the operating condition impacted according to distal end, To reduce the collision damage between occupant, proposes a kind of air bag device of vehicle distal end impact, be mainly used for rushing in side The occupant of effective protection non-collision side when hitting.

The utility model is realized using following technical scheme: a kind of air bag of vehicle distal end impact, including peace The tray assembly on vehicle seat side skeleton is set, contains air bag, air guide bag and aerator, the gas in the tray assembly Capsule goes to upper and lower two parts after aerator is full of expansion, and the volume of upper part is less than the volume of lower part point；

The bottom of the air bag is arranged in the air guide bag, and the aerator is fixed on the inside of air guide bag；The air guide The inside of bag is also provided with multiple gas ports.

Further, the inside air bag is equipped with two drawstrings, and first drawstring is located at the upper part of air bag, is half arc Shape；Article 2 drawstring is located at the center-bottom of air bag, oval.

Further, the gas port is three, is divided into two groups, and one group is made of a gas port, and another is then residue Two gas port compositions, two groups of gas ports are symmetrically arranged inside air guide bag.

Further, the aerator is upside down in the inside of the air guide bag.

Further, the internal Sewing of first drawstring has table cloth, and the inside of the Article 2 drawstring equally sews There is table cloth.

Further, first drawstring and Article 2 drawstring are made of the low cloth of air penetrability, are wide length Strip.

The utility model has the beneficial effects that passenger riding in non-collision side is non-at this time when side collision occurs for vehicle The occupant of collision side is then distally impacted.If no distal balloon protection, the occupant of non-collision side is almost without any in addition to seat Spare part constraint can directly collide with the occupant for colliding side, especially collide with its shoulder.Even if not occurring occupant's Mutually collision, the occupant of non-collision side is as inertia side whipping is excessive, and dislocation injures between causing chest and sitting basin.At this During one, if there is distal balloon protection between occupant, the mutual collision between occupant can be alleviated, non-collision side occupant can also be reduced Side whipping injury.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the air bag of the utility model.

Fig. 2 is the positive structure schematic after the airbag deployment of the utility model.

Fig. 3 is the schematic diagram of internal structure of the air bag of the utility model.

Each mark of Fig. 1 to Fig. 3 are as follows: 1 air bag, 2 air guide bags, 3 aerators, 4 gas ports, 5 first drawstrings, 6 Article 2 Drawstring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

It please refers to shown in Fig. 1 to 3, the utility model provides a kind of technical solution: a kind of safety of vehicle distal end impact Air bag contains air bag 1, air guide bag 2 and inflation in tray assembly including the tray assembly being placed on vehicle seat side skeleton Device 3, air bag 1 go to upper and lower two parts after aerator is full of expansion, and the volume of upper part is less than the volume of lower part point.

The bottom of air bag 1 is arranged in air guide bag 2, and aerator 3 is inverted the inside for being fixed on air guide bag 2；The inside of air guide bag 2 It is also provided with multiple gas ports 4.Gas port 4 is three, is divided into two groups, and one group is made of a gas port 4, and another is then residue Two gas ports 4 form, and two groups of gas ports 4 are symmetrically arranged inside air guide bag 2.This ensure that gas enters in air guide Bag, the gas port that can be crossed on inner bag enter in the chamber below air bag, are respectively enterd in the region of the left and right sides by runner, gas is several It is filled in full left and right sides region simultaneously and reduces air bag shaking to fill entire air bag of satisfying.

Two drawstrings are equipped with inside air bag 1, first drawstring 5 is located at the upper part of air bag 1, is half arc shape；Article 2 Drawstring 6 is located at the center-bottom of air bag 1, oval.

The internal Sewing of first drawstring 5 has table cloth, and the inside of Article 2 drawstring 6 is equally sewed with table cloth.

A kind of vehicle of utility model air bag of distal end impact, structure is similar with installing side airbag, is all disposed within seat In the foaming layer of chair back, rear support is unfolded among occupant in distal balloon, is slightly less than lower part in distribution, upper volume up and down, Bilateral symmetry is distributed.Air bag protection scope need to cover the head-neck-chest of occupant.Due to the particularity of distal end impact, air bag needs pressure maintaining Time at least at 100ms or more (the side collision general dwell time is within 30ms).The air penetrability of airbag fabric is smaller, pressure maintaining Time is more long, so the long period is needed to carry out pressure maintaining, it is necessary first to which the air penetrability of airbag fabric is small.Air bag in sewing process, Sewing needle has some impact on the structure of airbag fabric, to change the air penetrability of airbag fabric.It is found in research, removes sewing needle pair Structure has reduction outer, and the technique of sewing also has different influences to the structure of air bag, and wherein crosspointer chain seam influences most air penetrability It is small.The dwell time of the air bag of crosspointer chain seam substantially can achieve 100ms, if desired be further added by the dwell time, can be with air bag Special air bag applies sealant on suture, the dwell time can will extend to 300ms or more.

Air bag is substantially that vertical direction is supported, and whether the thickness of air bag chamber will have a direct impact on air bag can be vertical Support.If the length of oval drawstring is too short, chamber can be caused excessive, aerator can not fill entire air bag of satisfying.Similarly semicircle Arc drawstring can be weakened to the protecting effect on head in collision process in this way, drawstring is too short, it is possible that breakdown gas Capsule phenomenon.The drawstring length and position optimized can effectively guarantee the shape after airbag deployment, and reduce the wound of occupant Evil.When side distal end is impacted, distal balloon is unfolded rapidly, is stable between occupant, can protect non-collision side occupant's Head-neck-chest, reduction occupant in the case where distal end is impacted, which laterally throws away, to be damaged.

Therefore first drawstring and Article 2 drawstring are made of the low cloth of air penetrability, are wide strip.

For those skilled in the art, it is possible to understand that in the situation for not departing from the principles of the present invention and spirit Under a variety of change, modification, replacement and modification can be carried out to these embodiments, the scope of the utility model is by appended claims And its equivalent limits.

Claims (6)

1. a kind of vehicle air bag of distal end impact, including the tray assembly being placed on vehicle seat side skeleton, It is characterized in that, air bag, air guide bag and aerator are contained in the tray assembly, and the air bag is in after aerator is full of expansion Upper and lower two parts, the volume of upper part are less than the volume of lower part point；

The bottom of the air bag is arranged in the air guide bag, and the aerator is fixed on the inside of air guide bag；The air guide bag Inside is also provided with multiple gas ports.

2. a kind of air bag of vehicle distal end impact according to claim 1, which is characterized in that the inside air bag Equipped with two drawstrings, first drawstring is located at the upper part of air bag, is half arc shape；The centre that Article 2 drawstring is located at air bag is inclined Lower part, it is oval.

3. a kind of vehicle according to claim 1 air bag of distal end impact, which is characterized in that the gas port is Three, it is divided into two groups, one group is made of a gas port, and another is then remaining two gas ports composition, two groups of gas port difference It is symmetricly set on inside air guide bag.

4. a kind of air bag of vehicle distal end impact according to claim 1, which is characterized in that the aerator falls It sets in the inside of the air guide bag.

5. a kind of air bag of vehicle distal end impact according to claim 2, which is characterized in that first drawing The internal Sewing of band has table cloth, and the inside of the Article 2 drawstring is equally sewed with table cloth.

6. a kind of air bag of vehicle distal end impact according to claim 2, which is characterized in that first drawing Band and Article 2 drawstring are made of the low cloth of air penetrability, are wide strip.