CN216374462U

CN216374462U - OPW weaves piece formula PAB air pocket

Info

Publication number: CN216374462U
Application number: CN202121892925.3U
Authority: CN
Inventors: 刘磊; 王辉; 耿胡程; 赵前俊; 杨仕灯
Original assignee: Wuhu Jinpeng Auto Parts Co ltd
Current assignee: Wuhu Jinpeng Auto Parts Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-04-26
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses an OPW woven sheet type PAB air bag, which comprises an air bag body; the air bag body is arranged in an automobile instrument panel, and a gas generator communicated with the air bag body is also arranged in the automobile instrument panel; the air bag body is sewn through an OPW weaving process; the air bag body is provided with an air hole for connecting a gas generator; two connecting sheets are sewn on one side of the air bag body along the length direction of the air bag body, so that the air bag body can form a U-shaped structure with a downward opening under the action of the connecting sheets after being inflated, and two concave grooves are formed on the surface of the side, facing a passenger, of the air bag body. The air bag body is sewn by adopting an OPW weaving process, so that the bag shape of the air bag body can be improved, raw materials are saved, the sewing processing of the PAB air bag is facilitated, the processing speed is improved, the folding and the storage of the PAB air bag are facilitated, and the air bag body can be better suitable for the arrangement and the installation of vehicles.

Description

OPW weaves piece formula PAB air pocket

Technical Field

The utility model relates to the technical field of automobile protection parts, in particular to an OPW woven sheet type PAB air bag.

Background

The safety airbag is the most main protection device in the automobile, and when the automobile collides, the safety airbag after being ignited and inflated can form a protection barrier between a passenger and an interior trim part, so that the passenger is effectively protected, and secondary damage is avoided. The PAB air bag is an air bag applied to the copilot, but because the prior PAB air bag has irregular bag shape, a large amount of raw materials are consumed during production, and the production efficiency is reduced; the conventional PAB air bag is difficult to produce by adopting an OPW weaving process, and the air bag has relatively poor sealing property; meanwhile, the conventional PAB air bag is affected by materials and sewing modes, and the air bag structure is not favorable for folding and storage, so that the air bag cannot be well suitable for arrangement and installation of vehicles.

The utility model provides a piece formula PAB air pocket is woven to OPW can improve its package type through adopting the air pocket body that OPW weaving technology sewed up and forms, for traditional air pocket, can not only save raw and other materials, does benefit to the sewing processing of PAB air pocket, has promoted the process rate, still does benefit to the folding of PAB air pocket and accomodates, the installation of arranging that is applicable to the vehicle that can be better.

Disclosure of Invention

The object of the present invention is to provide an OPW woven sheet PAB airbag to solve the above-mentioned problems of the background art.

In order to achieve the above purpose, the solution of the utility model is: an OPW woven sheet type PAB air bag comprises an air bag body; the air bag body is arranged in an automobile instrument panel, and a gas generator communicated with the air bag body is further arranged in the automobile instrument panel, so that the air bag body is inflated and expanded under the action of the gas generator when a vehicle collides, and a protective barrier is formed between the automobile instrument panel and passengers; the air bag body is sewn through an OPW weaving process; the air bag body is provided with an air hole for connecting a gas generator; two connecting sheets are sewn on one side of the air bag body along the length direction of the air bag body, so that the air bag body can form a U-shaped structure with a downward opening under the action of the connecting sheets after being inflated, and two concave grooves are formed on the surface of the side, facing a passenger, of the air bag body.

Furthermore, an outer wrapping sheet is sewn on the air bag body at the air hole and used for wrapping the folded air bag body.

Furthermore, the sewing position of the connecting piece corresponds to the position of the concave groove after the air bag body is expanded one by one.

Further, the automobile instrument panel comprises a dial main frame and a veneer; the dial main frame is provided with a containing cavity for containing the air bag body and the gas generator; the gas generator is positioned at the bottom of the containing cavity, and the gas bag body is folded and stored above the gas generator; the decorative panel is arranged at the top of the containing cavity and is in contact with the folded air bag body.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the air bag body sewn by the OPW weaving process can improve the bag shape, saves raw materials, is beneficial to sewing and processing of the PAB air bag, improves the processing speed, is also beneficial to folding and containing of the PAB air bag and can be better suitable for arrangement and installation of vehicles compared with the traditional air bag;

(2) the PAB air bag prepared by sewing by adopting a special process has good air tightness, and the service life of the air bag can be effectively prolonged; and the whole PAB air bag has smaller size, a generator structure with smaller size and smaller pressure can be adopted, the occupied space for installing the PAB air bag is reduced, and the arrangement and installation of the PAB air bag in a vehicle are facilitated.

Drawings

FIG. 1 is a schematic partial elevational view of an airbag of the present invention deployed in an automotive instrument panel;

FIG. 2 is a schematic side view of a portion of an airbag of the present invention deployed in an instrument panel of a vehicle;

FIG. 3 is a schematic view of a partial front cross-sectional view of the airbag of the present invention after deployment in the instrument panel of an automobile;

FIG. 4 is a schematic view of a partial cross-sectional structure of the airbag of the present invention when stored in the dashboard of a vehicle;

FIG. 5 is a schematic top view of the airbag of the present invention in a flat state;

FIG. 6 is a schematic bottom view of the airbag of the present invention in a flat state;

FIG. 7 is a schematic view of the connection structure of the airbag body and the wrapping sheet according to the present invention;

FIG. 8 is a schematic view showing the connection structure between the folded airbag body and the wrapping sheet according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the airbag comprises an airbag body 1, a concave groove 11 and an air hole 12;

a connecting sheet 2;

a gas generator 3;

the automobile dashboard 4, the dial main frame 41, the veneer 42 and the accommodating cavity 43;

and an outer cover sheet 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

The first embodiment is as follows:

as shown in fig. 1 to 8, an OPW woven sheet type PAB airbag includes an airbag body 1; the airbag body 1 is arranged in an automobile instrument panel 4, and a gas generator 3 communicated with the airbag body 1 is further arranged in the automobile instrument panel 4, so that the airbag body 1 is inflated and expanded under the action of the gas generator 3 when a vehicle collides, and a protective barrier is formed between the automobile instrument panel 4 and a passenger; the air bag body 1 is sewn through an OPW weaving process; the air bag body 1 is provided with an air hole 12 for connecting the gas generator 3; two connecting sheets 2 are sewn on one side of the air bag body 1 along the length direction of the air bag body, so that the air bag body 1 can form a U-shaped structure with a downward opening under the action of the connecting sheets 2 after being inflated, and two concave grooves 11 are formed on the surface of one side, facing a passenger, of the air bag body 1; the air bag body 1 sewn through the OPW weaving process can improve the bag shape, and compared with the traditional air bag, the air bag can save raw materials, is favorable for folding and storage, can improve the air tightness of the air bag, and ensures the use safety of the air bag; the connecting sheet 2 can limit the shape of the airbag body 1 after the airbag body 1 is inflated, so that the airbag body 1 can be bent and extended downwards after being unfolded, the airbag body 1 is ensured to be positioned between an automobile instrument panel 4 and a passenger, and the purpose of collision protection is achieved; the concave groove 11 can effectively avoid the situation that the face part is completely shielded when a passenger collides the air bag body 1 after the vehicle collides, and the passenger is prevented from suffocating;

referring to fig. 7-8, in the present embodiment, an outer covering sheet 5 is further sewn on the air bag body 1 at the air hole 12 for wrapping the folded air bag body 1; the air bag body 1 sewn by the OPW weaving process can reduce the volume of the whole air bag body 1, is beneficial to wrapping and folding the air bag body 1 and the outer wrapping sheet 5, can release the space of the automobile instrument panel 4 occupied by the folded air bag body 1 to a certain extent, and is beneficial to assembling and using the air bag body 1 in the automobile instrument panel 4;

in the embodiment, the sewing position of the connecting piece 2 corresponds to the position of the depressed groove 11 after the air bag body 1 is expanded one by one, so that the balance of the upper end surface and the lower end surface of the air bag body 1 can be kept consistent after the air bag body 1 is expanded, the air bag body 1 is prevented from inclining and tilting after being expanded, and the protection performance of the air bag body 1 on passengers is ensured;

referring to fig. 4, in the present embodiment, the automobile dashboard 4 includes a dial main frame 41 and a veneer 42; the dial main frame 41 is provided with a containing cavity 43 for containing the air bag body 1 and the gas generator 3; the gas generator 3 is positioned at the bottom of the accommodating cavity 43, and the gas bag body 1 is folded and stored above the gas generator 3; the decorative panel 42 is arranged at the top of the accommodating cavity 43 and is in contact with the folded air bag body 1; the air bag body 1 sewn through the OPW weaving process is small in size and beneficial to folding and storage, so that the gas generator 3 connected with the air bag body 1 can adopt a generator structure with small size and small pressure, the size of a containing cavity 43 for containing the air bag body 1 and the gas generator 3 can be effectively reduced, and the arrangement and installation of the PAB air bag in a vehicle are facilitated; the folded air bag body 1 can be in mutual supporting contact with the veneer 42, so that the supporting force of the veneer 42 is ensured, and the phenomenon of shaking after the veneer 42 is assembled is avoided;

in summary, the OPW woven sheet type PAB airbag provided by the utility model has the advantages that the bag shape of the airbag body 1 formed by sewing the OPW woven process can be improved, raw materials are saved, the PAB airbag is beneficial to sewing and processing, the processing speed is increased, the PAB airbag is beneficial to folding and storing, and the OPW woven sheet type PAB airbag can be better suitable for arrangement and installation of vehicles.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An OPW woven sheet type PAB air bag comprises an air bag body (1); the air bag body (1) is arranged in an automobile instrument panel (4), and a gas generator (3) communicated with the air bag body (1) is further arranged in the automobile instrument panel (4), so that the air bag body (1) is inflated and expanded under the action of the gas generator (3) when a vehicle collides, and a protective barrier is formed between the automobile instrument panel (4) and passengers; the method is characterized in that: the air bag body (1) is sewn through an OPW weaving process; the air bag body (1) is provided with an air hole (12) for connecting the gas generator (3); two connecting sheets (2) are sewn on one side of the air bag body (1) along the length direction of the air bag body, so that a U-shaped structure with a downward opening can be formed under the action of the connecting sheets (2) after the air bag body (1) is inflated, and two concave grooves (11) are formed on the surface of the side, facing a passenger, of the air bag body (1).

2. An OPW woven sheet PAB airbag according to claim 1, wherein: the air bag body (1) at the air hole (12) is also sewed with an outer wrapping sheet (5) for wrapping the folded air bag body (1).

3. An OPW woven sheet PAB airbag according to claim 2, wherein: the sewing positions of the connecting pieces (2) correspond to the positions of the concave grooves (11) of the expanded air bag body (1) one by one.

4. An OPW woven sheet PAB airbag according to any of claims 1-3, wherein: the automobile instrument panel (4) comprises a dial main frame (41) and a veneer (42); the dial main frame (41) is provided with a containing cavity (43) for containing the air bag body (1) and the gas generator (3); the gas generator (3) is positioned at the bottom of the containing cavity (43), and the gas bag body (1) is folded and stored above the gas generator (3); the decorative panel (42) is arranged at the top of the containing cavity (43) and is in contact with the folded air bag body (1).