CN212861377U - Curtain formula gasbag air pocket rubber coating sewing structure - Google Patents
Curtain formula gasbag air pocket rubber coating sewing structure Download PDFInfo
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- CN212861377U CN212861377U CN202021976131.0U CN202021976131U CN212861377U CN 212861377 U CN212861377 U CN 212861377U CN 202021976131 U CN202021976131 U CN 202021976131U CN 212861377 U CN212861377 U CN 212861377U
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- sewing
- sewing thread
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- bag body
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Abstract
The utility model discloses a curtain type air bag gluing and sewing structure, which comprises an air bag body formed by combining two pieces of cloth through bonding glue and sewing through sewing threads, wherein the middle part in the air bag body is provided with an air guide area and inflation areas positioned at two ends of the air guide area; the sewing position of the sewing thread is positioned at the outer sides of the adhesive glue on the two cloth pieces and is arranged in parallel with the adhesive glue; the two cloth pieces are adhered to the upper side and the lower side of the air guide area and the outer side of the sewing thread through adhesive glue, and the two cloth pieces and the adhesive glue on the inner side of the sewing thread are symmetrically arranged based on the sewing thread. The beneficial effects are that: friction between the sewing thread and the cloth cover can not be generated along with jolting and vibration of the automobile in the running process, partial burrs and abrasion of the sewing thread can not be generated after the sewing thread is used for a long time, the sewing thread has positive effects on the performance of the module and the service life of the module, and the aging stability of the airbag module can be ensured; and the width of the adhesive area can be reduced, the adhesive application amount is reduced, and the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to a curtain formula gasbag structure field, in particular to curtain formula gasbag air pocket rubber coating sewing structure.
Background
The existing curtain type air bag is formed by bonding two pieces of cloth along a glue coating line by using bonding glue and sewing the two pieces of cloth along the central line of a bonded glue coating area by using a sewing thread, wherein the width of the glue coating area is at least 10 mm. According to the structure, after sewing, the sewing thread is arranged at the most protruding position of the outer surface of the cloth, after the sewing thread is folded, friction is generated between the sewing thread and the cloth surface along with jolting and vibration of an automobile in the driving process, so that the sewing thread sewn on the glue coating after being used for a long time can generate partial burrs and abrasion, the performance of a module and the service life of the module can be influenced by the phenomenon in the past, potential hidden dangers are caused, and the service life requirement of a safety part for more than 10 years can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can guarantee the ageing stability of gasbag module is provided, long service life can reduce manufacturing cost's a curtain formula gasbag rubber coating sewing structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a curtain type air bag gluing and sewing structure comprises an air bag body formed by combining two cloth pieces through gluing and sewing by sewing threads, wherein the middle part in the air bag body is provided with an air guide area and inflation areas positioned at two ends of the air guide area; it is characterized in that: the sewing position of the sewing thread is positioned at the outer sides of the adhesive glue on the two cloth pieces and is arranged in parallel with the adhesive glue; the two cloth pieces are adhered to the upper side and the lower side of the air guide area and the outer side of the sewing thread through adhesive glue, and the two cloth pieces and the adhesive glue on the inner side of the sewing thread are symmetrically arranged based on the sewing thread.
It is further preferable that the width of the adhesive glue located at both inner and outer sides of the sewing thread is 5-6mm to reduce the amount of the applied glue.
It is further preferred that the sewing thread is spaced from the outer edge of the adhesive on the inner side by 0 to 2 mm.
Preferably, the inner surfaces of the two cloth pieces are respectively provided with a silica gel coating to improve the sealing performance of the air bag body.
Preferably, the inflatable region of the front portion of the air bag body is provided with two circular non-inflatable regions arranged in a front-back direction, the center of the inflatable region of the rear portion of the air bag body is provided with a circular non-inflatable region, and the non-inflatable region is formed by bonding and gluing two cloth pieces and sewing the two cloth pieces through a sewing thread and is used for controlling the unfolded shape of the air bag body.
The utility model has the advantages that:
1. the sewing position of the sewing thread is positioned at the outer sides of the adhesive glue on the two cloth pieces and is arranged in parallel with the adhesive glue; therefore, the sewing thread does not protrude out of the outer surface of the cloth, and even after being folded, friction cannot be generated between the sewing thread and the cloth cover along with jolting and vibration of an automobile in the driving process, so that the sewing thread cannot generate partial burrs and abrasion after being used for a long time, the sewing thread has positive effects on the performance of the module and the service life of the module, and the aging stability of the airbag module can be ensured; and the width of the adhesive area can be reduced, the adhesive application amount is reduced, the manufacturing cost is reduced, and the product has more advantages.
2. The two cloth pieces are bonded by the adhesive glue corresponding to the upper side and the lower side of the air guide area and positioned on the outer side of the sewing thread, and are symmetrically arranged with the adhesive glue positioned on the inner side of the sewing thread based on the sewing thread, and the parts with concentrated inflation stress of the air bag are protected by coating the adhesive on the two sides, so that the stable performance of the air bag can be ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
fig. 4 is a schematic view of the inflated structure of fig. 2.
In the figure: the air bag comprises an air bag body 1, an air guide area 101, an inflation area 102, a non-inflation area 103, a cloth piece 2, a silica gel coating 201, sewing threads 3 and adhesive 4.
Detailed Description
As shown in fig. 1-4, the utility model relates to a curtain airbag gluing and sewing structure, which comprises an airbag body 1 formed by two cloth pieces 2 which are adhered by adhesive 4 and sewn by sewing thread 3, an air guide area 101 is arranged in the middle of the inside of the airbag body 1, and inflation areas 102 communicated with the air guide area 101 are respectively arranged at the two ends of the air guide area 101 at the front and the rear parts of the airbag body 1. The sewing position of the sewing thread 3 is positioned at the outer sides of the adhesive 4 on the two cloth pieces 2 and is arranged in parallel with the adhesive 4; the distance between the sewing thread 3 and the outer edge of the adhesive 4 positioned at the inner side is 0-2 mm.
The two cloth pieces 2 are bonded by the adhesive 4 at the upper and lower sides of the air guide area 101 and at the outer side of the sewing thread 3, the bonding areas extend to the upper and lower edges of the inflation area 102 at the two ends of the air guide area 101, and the adhesive 4 at the outer side of the sewing thread 3 and the adhesive 4 at the inner side of the sewing thread 3 are symmetrically arranged based on the sewing thread 3. The width of the adhesive 4 on the inner and outer sides of the sewing thread 3 is 5-6mm to reduce the amount of adhesive.
The inner surfaces of the two cloth pieces 2 are respectively provided with a silica gel coating 201 to improve the sealing performance of the air bag body 1. Two circular non-inflating areas 103 arranged back and forth are arranged in the inflating area 102 at the front part of the air bag body 1, a circular non-inflating area 103 is arranged at the center of the inflating area 102 at the rear part of the air bag body 1, and the non-inflating area 103 is formed by bonding two cloth pieces 2 through bonding glue 4 and sewing through a sewing thread 3 and is used for controlling the unfolded shape of the air bag body 1.
In the curtain type airbag gluing and sewing structure, the sewing position of the sewing thread 3 is positioned at the outer side of the adhesive 4 on the two cloth pieces 2 and is arranged in parallel with the adhesive; therefore, the sewing thread 3 does not protrude out of the outer surface of the cloth, and even if the air bag body 1 is folded, friction cannot be generated between the sewing thread 3 and the cloth surface along with jolting and vibration of an automobile in the driving process, so that the sewing thread cannot generate partial phenomena of burrs and abrasion after being used for a long time, the sewing thread has positive effects on the performance of the module and the service life of the module, and the aging stability of the air bag module can be ensured; and the width of the adhesive area can be reduced, and the adhesive application amount is reduced by more than half, so that the manufacturing cost is reduced, and the product has more advantages.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A curtain type air bag gluing and sewing structure comprises an air bag body formed by combining two cloth pieces through gluing and sewing by sewing threads, wherein the middle part in the air bag body is provided with an air guide area and inflation areas positioned at two ends of the air guide area; the method is characterized in that: the sewing position of the sewing thread is positioned at the outer sides of the adhesive glue on the two cloth pieces and is arranged in parallel with the adhesive glue; the two cloth pieces are adhered to the upper side and the lower side of the air guide area and the outer side of the sewing thread through adhesive glue, and the two cloth pieces and the adhesive glue on the inner side of the sewing thread are symmetrically arranged based on the sewing thread.
2. The curtain airbag gluing and sewing structure as claimed in claim 1, wherein: the width of the adhesive glue positioned on the inner side and the outer side of the sewing thread is 5-6mm so as to reduce the gluing amount.
3. A curtain airbag glue-coating sewing structure according to claim 1 or 2, characterized in that: the distance between the sewing thread and the outer edge of the adhesive glue positioned on the inner side of the sewing thread is 0-2 mm.
4. The curtain airbag gluing and sewing structure as claimed in claim 3, wherein: the inner surfaces of the two cloth pieces are respectively provided with a silica gel coating to improve the sealing performance of the air bag body.
5. The curtain airbag glue-coating sewing structure of claim 4, which is characterized in that: the inflatable air bag comprises an air bag body, wherein the front part of the air bag body is provided with an inflatable air bag body, the rear part of the air bag body is provided with an inflatable air bag body, the inflatable air bag body is provided with an inflatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021976131.0U CN212861377U (en) | 2020-09-11 | 2020-09-11 | Curtain formula gasbag air pocket rubber coating sewing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021976131.0U CN212861377U (en) | 2020-09-11 | 2020-09-11 | Curtain formula gasbag air pocket rubber coating sewing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212861377U true CN212861377U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021976131.0U Active CN212861377U (en) | 2020-09-11 | 2020-09-11 | Curtain formula gasbag air pocket rubber coating sewing structure |
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| CN (1) | CN212861377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856986A (en) * | 2021-08-16 | 2021-12-31 | 可隆（南京）特种纺织品有限公司 | Method for producing curtain airbag having high pressure retention and curtain airbag obtained thereby |
-
2020
- 2020-09-11 CN CN202021976131.0U patent/CN212861377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856986A (en) * | 2021-08-16 | 2021-12-31 | 可隆（南京）特种纺织品有限公司 | Method for producing curtain airbag having high pressure retention and curtain airbag obtained thereby |
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