KR20220132928A - Apparatus for mounting curtain air bag cushion - Google Patents

Abstract

The present invention relates to an apparatus for fixing a curtain airbag cushion. The apparatus for fixing a curtain airbag cushion includes an intermediate connection tab (200) and a strap (400) coupled to the curtain airbag cushion (1) by sewing (300), and a mounting plate (100) coupled to the intermediate connection tab (200) and securely coupled to a vehicle body (2), and a fixing member (500) hung on and fixed on a rear surface of the mounting plate (100) by being coupled to the strap (400). The mounting plate (100) is made of a steel material, such that sufficient assembly torque can be maintained when the mounting plate (100) is securely assembled to the vehicle body (2) by a medium of a bolt (600), and the intermediate connection tab (200) and the strap (400) coupled to the curtain airbag cushion (1) by sewing (300) are made of flexible fabric materials, such that the curtain airbag cushion (1) can be prevented from being damaged by the intermediate connection tab (200) and the strap (400) in sewing (300).

Description

Fixing device for curtain airbag cushion {APPARATUS FOR MOUNTING CURTAIN AIR BAG CUSHION}

The present invention is a device used when a folded curtain airbag cushion is fixedly coupled to a vehicle body. More specifically, it is possible to maintain assembly torque when coupled to a vehicle body, and to improve assembly and workability by preventing sagging. It is a technology related to the fixing device of the curtain airbag cushion that can be used.

In general, a vehicle is provided with various types of airbag devices to protect passengers in the event of an accident. Among them, the curtain airbag device is mounted on the side panel of the vehicle body so that the airbag cushion is unfolded in the event of a vehicle rollover or side collision accident. It is a device that protects passengers as it deploys.

In such a curtain airbag device, a curtain airbag cushion folded in a circular shape is fixed to the upper part of the body pillar part, and the folded curtain airbag cushion is deployed by the pressure of the airbag gas generated from the inflator to protect the upper body including the passenger's head. will do

1 is a view in which the circularly folded curtain airbag cushion is fixedly coupled to the vehicle body via a conventional fixing device, and FIG. 2 is a diagram for explaining the conventional fixing device.

That is, the circularly folded curtain airbag cushion (1) is coupled with a mounting tab (10) formed of a flexible material and sewing (11), and an anti-rotation clip (20) is coupled to pass through the mounting tab (10). , as the push retainer is coupled to the rear of the mounting tab 10, and the bolt 30 passes through the anti-rotation clip 20 and the push retainer and is fastened to the vehicle body 2, the mounting tab 10 is the vehicle body ( 2) is fixedly coupled to

In addition, as the circularly folded curtain airbag cushion 1 is wrapped by the strap 40 connected to the mounting tab 10, the folded curtain airbag cushion 1 has the strap 40 and the mounting tab 10 and The structure is fixedly coupled to the vehicle body 2 by the bolt 30 .

In the conventional fixing device as described above, the mounting tab 10 is configured to be directly sewn-coupled to the circularly folded curtain airbag cushion 1, and the mounting tab 10 for sewing-coupled with the curtain airbag cushion 1 is It is not formed of a hard rigid steel or plastic material, but is usually formed of a fabric material with flexible properties.

In addition, if the mounting tab 10, which is directly sewn-coupled to the curtain airbag cushion 1, is formed of a hard steel or plastic material, the curtain airbag cushion 1 is damaged when it is sewn and combined with the curtain airbag cushion 1 There is a fear of giving a bar, in order to prevent this, the mounting tab 10 is formed of a flexible fabric.

However, the conventional fixing device has a disadvantage in that it is difficult to maintain the assembly torque when assembling with the vehicle body 2 using the bolt 30 as the mounting tab 10 is formed of a flexible material, and if the assembly torque is not maintained, Since the fastening force with the vehicle body 2 is weak, there is a disadvantage in that it is easily separated from the vehicle body 2 .

In addition, as the mounting tab 10 is formed of a flexible material, the mounting tab 10 is difficult to maintain its shape due to the load of the anti-rotation clip 20 and the push retainer coupled to the mounting tab 10, resulting in sagging. Therefore, when assembling with the vehicle body 2 using the bolt 30, assembling property and workability are poor.

The matters described as the background art above are only for improving the understanding of the background of the present invention, and should not be taken as an acknowledgment that they correspond to the prior art already known to those of ordinary skill in the art.

Republic of Korea Patent Publication No. 10-2003-0097137

The present invention is a device for fixing a curtain airbag cushion used when a folded curtain airbag cushion is fixedly coupled to a vehicle body. The purpose is to prevent damage to the curtain airbag cushion while maintaining the assembly torque when combined with the vehicle body, and to improve assembly and workability by preventing sagging.

In order to achieve the above object, the present invention provides a device for fixing a curtain airbag cushion, comprising: a mounting plate fixedly coupled to a vehicle body; an intermediate connection tab coupled to the mounting plate; a strap for circumferentially wrapping the curtain airbag cushion in a folded state having one end sewn-coupled with the curtain airbag cushion and the intermediate connection tab and the other end rolled into a circle; and a fixing member coupled to the other end of the strap, passing through the mounting plate, and then hanging on the mounting plate to fix the folded curtain airbag cushion by the strap.

the mounting plate is fixedly coupled to the vehicle body via a bolt passing through the upper end; The mounting plate is characterized in that it is formed of a steel material to prevent sagging due to the load of the intermediate connection tab, the strap, and the curtain airbag cushion.

A first through hole through which the strap passes and a second through hole through which the intermediate connection tab passes are formed in the mounting plate to be vertically spaced apart.

The intermediate connection tab is formed of a flexible material, and as both ends passing through the second through hole of the mounting plate are overlapped and coupled, the mounting plate and the intermediate connection tab are coupled to each other.

The strap is formed of a fabric of a flexible material, one end contacts the back side of the intermediate connection tab and is sewn together with the curtain airbag cushion and the intermediate connection tab, and the other end wraps the circularly folded curtain airbag cushion in the circumferential direction and then mounting It is characterized in that through the first through hole of the plate.

the fixing member is coupled to the strap so that both ends of the fixing member protrude to both sides of the strap; After the fixing member passes through the first through hole of the mounting plate, both ends of the fixing member are caught and fixed to the rear surface of the mounting plate.

The vertical width of the fixing member is formed smaller than the vertical width of the first through hole so that the fixing member can pass through the first through hole; The length in the left and right directions of the fixing member is longer than the length in the left and right directions of the first through hole so that the fixing member can be hooked and fixed to the rear surface of the mounting plate.

The fixing member is characterized in that it is formed of either steel or plastic having rigidity so that the fixing member can be caught and fixed on the back side of the mounting plate after passing through the first through hole.

The curtain airbag cushion fixing device according to the present invention includes an intermediate connection tab and strap that are sewnly coupled to the curtain airbag cushion, a mounting plate coupled to the intermediate connection tab and fixedly coupled to a vehicle body, and a strap coupled to the back of the mounting plate and hooked on the back of the mounting plate. It is a configuration that includes a fixing member that is fixed by falling down, and as the mounting plate is formed of a steel material, it is possible to maintain sufficient assembly torque when assembling it to be fixed to the vehicle body through a bolt, and through this, it is possible to strengthen the fastening force with the vehicle body. This has the effect of improving the problem that the curtain airbag cushion is separated from the vehicle body.

In addition, according to the present invention, as the mounting plate is formed of a steel material, it is possible to prevent sagging due to the load of the intermediate connection tab, the strap, and the curtain airbag cushion. When assembling, there is an effect that can improve the assembly and workability of the operator.

In addition, the present invention has the effect of preventing damage to the curtain airbag cushion by the intermediate connection tab and the strap when the intermediate connection tab and the strap are sewn together by forming the intermediate connection tab and the strap of a flexible material for sewing connection with the curtain airbag cushion. have.

1 is a view of a state in which a folded curtain airbag cushion is fixed to a vehicle body through a conventional fixing device;
2 is a view for explaining a conventional fixing device;
3 is an exploded view of the curtain airbag cushion fixing device according to the present invention;
4 is a view of a state in which one end of a curtain airbag cushion, an intermediate connecting tab, and a strap are sewn-coupled according to the present invention;
5 is a view of a state in which the other end of the strap to which the fixing member is coupled according to the present invention passes through the intermediate connection tab;
6 is a view for explaining a state in which the fixing member passing through the intermediate connection tab is caught and fixed to the intermediate connection tab according to the present invention.

Specific structural or functional descriptions of the embodiments of the present invention disclosed in the present specification or application are only exemplified for the purpose of describing the embodiments according to the present invention, and the embodiments according to the present invention are implemented in various forms. and should not be construed as being limited to the embodiments described in the present specification or application.

Since the embodiment according to the present invention can have various changes and can have various forms, specific embodiments are illustrated in the drawings and described in detail in the present specification or application. However, this is not intended to limit the embodiment according to the concept of the present invention to a specific disclosed form, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms such as first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one element from another element, for example, without departing from the scope of the present invention, a first element may be called a second element, and similarly The second component may also be referred to as the first component.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but it is understood that other components may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle. Other expressions describing the relationship between elements, such as "between" and "immediately between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as "comprises" or "have" are intended to designate that the specified features, numbers, steps, operations, components, parts, or combinations thereof exist, and include one or more other features or numbers. , it should be understood that it does not preclude the existence or addition of steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as meanings consistent with the context of the related art, and unless explicitly defined in the present specification, they are not to be interpreted in an ideal or excessively formal meaning. .

A control unit (controller) according to an exemplary embodiment of the present invention includes a non-volatile memory (not shown) configured to store data relating to an algorithm configured to control the operation of various components of a vehicle or software instructions for reproducing the algorithm; It may be implemented through a processor (not shown) configured to perform operations described below using data stored in the corresponding memory. Here, the memory and the processor may be implemented as separate chips. Alternatively, the memory and processor may be implemented as a single chip integrated with each other. A processor may take the form of one or more processors.

Hereinafter, a fixing device for a curtain airbag cushion according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

A curtain airbag device for a vehicle includes an inflator that generates an airbag gas, and a curtain airbag cushion that is deployed by receiving the airbag gas.

The inflator and the curtain airbag cushion are installed to be positioned on the upper body of the vehicle pillar part, and when the curtain airbag cushion is deployed, the curtain airbag cushion is deployed downward to protect the passengers.

The fixing device according to the present invention is used when the curtain airbag cushion is fixedly installed to the vehicle body above the vehicle pillar.

That is, the fixing device of the curtain airbag cushion according to the present invention includes a mounting plate 100 fixedly coupled to the vehicle body 2 as shown in FIGS. 3 to 6 ; an intermediate connection tab 200 coupled to the mounting plate 100; One end of the curtain airbag cushion (1) and the intermediate connection tab (200) is sewn (300, sewing) coupled and the other end is a strap (400) that wraps around the curtain airbag cushion (1) in a circularly folded state in the circumferential direction; and fixing so that the folded curtain airbag cushion 1 is fixed by the strap 400 as it is coupled to the other end of the strap 400 and is hung on the mounting plate 100 after passing through the mounting plate 100 . member 500; includes.

The mounting plate 100 is fixedly coupled to the vehicle body 2 via the bolt 600 passing through the upper end, and for this purpose, the bolt hole 110 is provided at the upper end of the mounting plate 100 so that the bolt 600 passes through. is formed

In addition, the mounting plate 100 is preferably formed of a steel material to prevent sagging due to the load of the intermediate connection tab 200 , the strap 400 , and the curtain airbag cushion 1 .

When the mounting plate 100 is formed of a steel material, it is possible to maintain sufficient assembly torque when assembling the mounting plate 100 to be fixed to the vehicle body 2 via the bolt 600, and through this, Since the fastening force can be strengthened, the problem of the curtain airbag cushion 1 being separated from the vehicle body 2 can be improved.

In addition, as the mounting plate 100 is formed of a steel material, it is possible to prevent sagging due to the load of the intermediate connection tab 200 , the strap 400 , and the curtain airbag cushion 1 , and through this, the mounting plate 100 . Since it is possible to maintain the shape of the , it is possible to improve the assembly and workability of the operator when assembling with the vehicle body 2 using the bolt 600 .

In the fixing device according to the present invention, the first through hole 120 through which the strap 400 passes and the second through hole 130 through which the intermediate connection tab 200 passes are formed to be vertically spaced apart from the mounting plate 100 . do.

As another example, one through-hole through which the intermediate connection tab 200 and the strap 400 can pass together may be formed in the mounting plate 100 .

The intermediate connection tab 200 is formed of a fabric of a flexible material, and as both ends passing through the second through hole 130 of the mounting plate 100 are coupled to overlap each other, the mounting plate 100 and the intermediate connection The tabs 200 are coupled to each other, and the lower portion of the second through hole 130 is sewn 300 coupled with one end of the curtain airbag cushion 1 and the strap 400 .

The strap 400 is formed of a fabric of a flexible material, and one end is in contact with the back side of the intermediate connection tab 200 to be sewn 300 together with the curtain airbag cushion 1 and the intermediate connection tab 200, and the other end is The circularly folded curtain airbag cushion 1 is wrapped in the circumferential direction and then passes through the first through hole 120 of the mounting plate 100 .

The selvage part of the curtain airbag cushion 1, the intermediate connection tab 200 and one end of the strap 400 are integrated by sewing 300 together, and the intermediate connection tab 200 for the sewing 300 coupling. ) and the strap 400 is preferably formed of a fabric of a flexible material.

In addition, since the intermediate connection tab 200 and the strap 400 are formed of a fabric of a flexible material, when the sewing 300 is combined with the curtain airbag cushion 1, the curtain by the intermediate connection tab 200 and the strap 400 There is also an advantage that can prevent damage to the airbag cushion (1).

As described above, one end of the strap 400 overlaps with the back side of the intermediate connection tab 200, so that the curtain airbag cushion 1, the intermediate connection tab 200, and one end of the strap 400 are sewn together in this order. it might be

As another example, one end of the strap 400 is inserted between the curtain airbag cushion 1 and the intermediate connection tab 200, and the curtain airbag cushion 1, one end of the strap 400, and the intermediate connection tab 200 are sewn together in this order. (300) may be combined.

The fixing member 500 is formed in a straight bar shape, is fixedly coupled to the other end of the strap 400 , and when coupled with the strap 400 , both ends of the fixing member 500 protrude to both sides of the strap 400 . are combined

One end of the strap 400 is sewn 300 together with the curtain airbag cushion 1 and the intermediate connection tab 200, and the other end of the strap 400 is the curtain airbag cushion 1 folded in a circular direction in the circumferential direction. After wrapping, it passes through the first through hole 120 of the mounting plate 100 together with the fixing member 500 and protrudes to the rear of the mounting plate 100 .

When the fixing member 500 together with the other end of the strap 400 penetrates through the first through hole 120 of the mounting plate 100 and protrudes to the rear of the mounting plate 100, a circularly folded curtain airbag cushion ( The strap 400 is pulled down by the weight of 1), whereby both ends of the fixing member 500 are hooked and fixed to the back side of the mounting plate 100, through which the curtain is folded in a circle The airbag cushion 1 has a structure fixed by the strap 400 .

According to the present invention, the vertical width D1 of the fixing member 500 is the upper and lower sides of the first through hole 120 so that the fixing member 500 can penetrate the first through hole 120 of the mounting plate 100 according to the present invention. It is preferable to be formed smaller than the direction width D2.

In addition, the left and right length L1 of the fixing member 500 is the first through hole so that the fixing member 500 can be hung on the back side of the mounting plate 100 and fixed after passing through the first through hole 120 . It is preferable to be formed longer than the left-right direction length (L2) of (120).

In addition, according to the present invention, the fixing member 500 is preferably formed of a rigid structure so that the fixing member 500 can be caught and fixed on the back side of the mounting plate 100 after passing through the first through hole 120 . and the rigid structure may be any one of steel or plastic.

As described above, the fixing device of the curtain airbag cushion according to the embodiment of the present invention includes the intermediate connection tab 200 and the strap 400 coupled to the curtain airbag cushion 1 and the sewing 300, and the intermediate connection tab 200 and In a configuration including a mounting plate 100 coupled and fixedly coupled to the vehicle body 2, a fixing member 500 coupled to the strap 400 and fastened to the rear surface of the mounting plate 100, the mounting plate ( As 100) is formed of a steel material, it is possible to maintain sufficient assembly torque when assembling it to be fixed to the vehicle body 2 via the bolt 600, and through this, it is possible to strengthen the fastening force with the vehicle body 2, thereby making it possible to strengthen the curtain airbag. There is an advantage that can improve the problem that the cushion 1 is separated from the vehicle body (2).

In addition, according to the present invention, as the mounting plate 100 is formed of a steel material, it is possible to prevent sagging due to the load of the intermediate connection tab 200 , the strap 400 , and the curtain airbag cushion 1 , through which the mounting plate 100 is formed of a steel material. Since it is possible to maintain the shape of 100 , there is an advantage in that the assembly and workability of the operator can be improved when assembling with the vehicle body 2 using the bolt 500 .

In addition, in the present invention, the intermediate connection tab 200 and the strap 400 are formed of a fabric of a flexible material for coupling the sewing 300 with the curtain airbag cushion 1, so that when the sewing 300 is coupled, the intermediate connection tab ( 200) and the strap 400, there is also an advantage that can prevent damage to the curtain airbag cushion (1).

Although the present invention has been shown and described with respect to specific embodiments, it is within the art that the present invention can be variously improved and changed without departing from the spirit of the present invention provided by the following claims. It will be obvious to those of ordinary skill in the art.

1 - Curtain Airbag Cushion
2 - body
100 - mounting plate
110 - bolt hole
120 - first through hole
130 - second through hole
200 - Intermediate connection tap
300 - plush
400 - strap
500 - fixing member
600 - volts

Claims (8)

a mounting plate fixedly coupled to the vehicle body;
an intermediate connection tab coupled to the mounting plate;
a strap for circumferentially wrapping the curtain airbag cushion in a folded state having one end sewn-coupled with the curtain airbag cushion and the intermediate connection tab and the other end rolled into a circle; and
and a fixing member coupled to the other end of the strap, passing through the mounting plate, and fixed to the mounting plate so that the folded curtain airbag cushion is fixed by the strap. The method according to claim 1,
the mounting plate is fixedly coupled to the vehicle body via a bolt passing through the upper end;
The mounting plate is a fixing device for a curtain airbag cushion, characterized in that it is formed of a steel material to prevent sagging due to the load of the intermediate connection tab, the strap, and the curtain airbag cushion. The method according to claim 1,
The mounting plate has a first through hole through which a strap passes and a second through hole through which an intermediate connection tab passes, and is vertically spaced apart from each other. 4. The method of claim 3,
The intermediate connection tab is formed of a fabric of a flexible material, and as both ends passing through the second through hole of the mounting plate are overlapped and coupled to each other, the mounting plate and the intermediate connection tab are coupled to each other. Device. 4. The method of claim 3,
The strap is formed of a fabric of a flexible material, one end contacts the back side of the intermediate connection tab and is sewn together with the curtain airbag cushion and the intermediate connection tab, and the other end wraps the circularly folded curtain airbag cushion in the circumferential direction and then mounting A device for fixing a curtain airbag cushion, characterized in that it passes through the first through hole of the plate. 4. The method of claim 3,
the fixing member is coupled to the strap so that both ends of the fixing member protrude to both sides of the strap;
After the fixing member passes through the first through hole of the mounting plate, both ends of the fixing member are hooked to the rear surface of the mounting plate and fixed. 7. The method of claim 6,
The vertical width of the fixing member is formed smaller than the vertical width of the first through hole so that the fixing member can pass through the first through hole;
A fixing device for a curtain airbag cushion, characterized in that the left and right length of the fixing member is longer than the left and right length of the first through hole so that the fixing member can be hung and fixed to the rear surface of the mounting plate. 7. The method of claim 6,
A fixing device for a curtain airbag cushion, characterized in that the fixing member is formed of either steel or plastic having rigidity so that the fixing member can be caught and fixed on the back side of the mounting plate after passing through the first through hole.

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