CN112373733A - End sealing structure of air bag separating device under longitudinal size constraint condition - Google Patents
End sealing structure of air bag separating device under longitudinal size constraint condition Download PDFInfo
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- CN112373733A CN112373733A CN202011192134.XA CN202011192134A CN112373733A CN 112373733 A CN112373733 A CN 112373733A CN 202011192134 A CN202011192134 A CN 202011192134A CN 112373733 A CN112373733 A CN 112373733A
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- air bag
- connecting joint
- device under
- special
- longitudinal dimension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/645—Separators
Abstract
The invention discloses an end sealing structure of an air bag separating device under the condition of longitudinal dimension constraint, which comprises: the device comprises a clapboard detonator, a mounting seat, a chuck, a connecting joint, a porous gasket, an air bag, a screw and a gas production element; the clapboard detonator is connected with the connecting joint through the mounting seat; the air bag is sleeved at the corresponding position of the special-shaped section of the connecting joint, and the two porous gaskets are respectively wrapped on the outer side of the air bag from the upper direction and the lower direction; the connecting joint, the porous pad and the air bag are provided with through holes or threaded holes which are matched with each other; the screw penetrates through the porous gasket and the through hole on the air bag and is screwed into the threaded hole on the connecting joint; the chuck is embedded in the end part of the connecting joint; the end of the gas generating element is inserted into the chuck. The end sealing structure of the air bag separating device under the longitudinal dimension constraint condition reduces the dimension space requirement in the longitudinal direction and meets the requirement of precision miniaturization of weapon models.
Description
Technical Field
The invention belongs to the technical field of end sealing, and particularly relates to an end sealing structure of an air bag separation device under the condition of longitudinal size constraint.
Background
With the development of the national weapon technology, the requirement on the precision of the weapon is higher and higher, so that the precision of the weapon control equipment is higher. The traditional separation initiating explosive device brings large impact due to the direct action of explosive, and brings adverse effect to the internal control equipment of the weapon. Therefore, low impact separation initiating explosive devices have increasingly greater application requirements. The separation realized by adopting the air bag inflation as the acting energy is one of the development directions of low-impact separation initiating explosive devices.
Before the structure of the air bag separating device is sealed, two ends of the air bag are open structures and are used for installing gas generating elements in the air bag. And after the internal gas production structure is installed, sealing the end head. Under the unrestricted condition of size, modes such as clamp, ribbon or sealing washer of selecting for use suitable specification according to the gasbag size compress tightly, realize the end and seal. The Chinese patent CN205076559U is named as a pollution-free air bag separating device air bag end sealing device, which comprises an end enclosure, an inner clamp, an outer clamp, a cover, a joint and the like, and has complex structure and installation and large volume. Under the application condition of precise miniaturization of weapon models, the size space is small, and the sealing can not be realized by adopting the above patent or other common sealing structures.
Disclosure of Invention
The technical problem of the invention is solved: the defects of the prior art are overcome, the end sealing structure of the air bag separating device under the longitudinal size constraint condition is provided, the size space requirement in the longitudinal direction is reduced, and the requirement of precision miniaturization of weapon models is met.
In order to solve the technical problem, the invention discloses an end sealing structure of an air bag separating device under the condition of longitudinal size constraint, which comprises: the device comprises a clapboard detonator, a mounting seat, a chuck, a connecting joint, a porous gasket, an air bag, a screw and a gas production element;
the clapboard detonator is connected with the connecting joint through the mounting seat;
the air bag is sleeved at the corresponding position of the special-shaped section of the connecting joint, and the two porous gaskets are respectively wrapped on the outer side of the air bag from the upper direction and the lower direction;
the connecting joint, the porous pad and the air bag are provided with through holes or threaded holes which are matched with each other; the screw penetrates through the porous gasket and the through hole on the air bag and is screwed into the threaded hole on the connecting joint;
the chuck is embedded in the end part of the connecting joint;
the end of the gas generating element is inserted into the chuck.
In the end sealing structure of the airbag separation device under the constraint condition of the longitudinal dimension, the end sealing structure further comprises: a gasket; wherein, the gasket sets up the junction department at baffle detonator and mount pad.
In the end sealing structure of the airbag separation device under the constraint condition of the longitudinal dimension, the end sealing structure further comprises: silicone rubber; and silicon rubber is coated at the connecting thread positions between the air bag and the connecting joint, between the chuck and the gas generating element, between the connecting joint and the mounting seat and between the clapboard detonator and the mounting seat.
In the end sealing structure of the airbag separation device under the above-mentioned longitudinal dimension constraint condition, the structure at the position on the connection joint, which is connected with the airbag, is: a non-rotating body of a special-shaped structure; the non-revolving body is of a special-shaped structure, wherein the longitudinal length of the non-revolving body is short, and the transverse length of the non-revolving body is long; the non-revolving body has a special-shaped structure of a waist shape, or an elliptical shape, or a waist shape with air bags with storage grooves at two sides.
In the end sealing structure of the airbag separation device under the condition of the longitudinal dimension constraint, after the airbag is sleeved at the corresponding position of the special-shaped section of the connecting joint, if the airbag has an excess length part, the excess length part of the airbag is accommodated in the airbag accommodating groove.
In the end sealing structure of the air bag separation device under the constraint condition of the longitudinal dimension, the porous gasket is in a special-shaped porous structure and is matched with the structure of the special-shaped section of the connecting joint; the special-shaped section of the connecting joint is provided with a threaded hole matched with the hole on the porous gasket.
In the end sealing structure of the air bag separation device under the longitudinal dimension constraint condition, a metal partition plate with a certain thickness D is arranged in the partition plate exploder.
In the end sealing structure of the air bag separation device under the above longitudinal dimension constraint condition, the value range of the thickness D is as follows: 1.5-2.4 mm.
The invention has the following advantages:
(1) the invention discloses an end sealing structure of an air bag separating device under the condition of longitudinal dimension constraint.A part of a connecting joint connected with an air bag adopts a special-shaped structure, compared with a general revolving body structure form, the size space requirement in the longitudinal direction is reduced, and further, an air bag accommodating groove can be arranged on the connecting joint, so that the size in the transverse direction can be reduced.
(2) The invention discloses an end sealing structure of an air bag separating device under the constraint condition of longitudinal dimension, the connection strength of an air bag can adjust the number of screws and the tightening force according to different pressures in the air bag, and the air bag separating device can adapt to the pressure intensity of 0.5-10 MPa in the air bag.
(3) The invention discloses an end sealing structure of an air bag separating device under the condition of longitudinal size constraint, which is simple and convenient in structure and excellent in sealing effect by adopting a metal partition plate, threaded connection and silicon rubber filling.
Drawings
FIG. 1 is a schematic structural view of a tip seal structure of an air bag separation device under a constraint of a longitudinal dimension in an embodiment of the present invention;
FIG. 2 is a schematic view of a connection fitting according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a connection joint with an airbag at various locations according to an embodiment of the present invention
FIG. 4 is a schematic view of a porous pad according to an embodiment of the present invention;
fig. 5 is a schematic view of a bulkhead initiator according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In this embodiment, as shown in fig. 1, the end sealing structure of the airbag separation device under the constraint condition of the longitudinal dimension comprises: the explosion-proof device comprises a clapboard detonator 1, a mounting seat 4, a clamping head 5, a connecting joint 6, a porous gasket 7, an air bag 8, a screw 9 and a gas generating element 10. The partition board exploder 1 is connected with the connecting joint 6 through the mounting seat 4; the air bag 8 is sleeved at the corresponding position of the special-shaped section of the connecting joint 6, and the two porous gaskets 7 are respectively wrapped on the outer side of the air bag 8 from the upper direction and the lower direction; through holes or threaded holes which are matched with each other are arranged on the connecting joint 6, the porous gasket 7 and the air bag 8; the screw 9 is screwed into the threaded hole on the connecting joint 6 after passing through the through holes on the porous gasket 7 and the air bag 8; the chuck 5 is embedded in the end part of the connecting joint 6; the end of the gas generating element 10 is inserted into the chuck 5.
In this embodiment, the end sealing structure of the airbag separation device under the constraint condition of the longitudinal dimension may further include: a gasket 2. Wherein, the gasket 2 is arranged at the connecting position of the clapboard detonator 1 and the mounting seat 4, and the sealing performance of the connecting position is ensured.
In this embodiment, the end sealing structure of the airbag separation device under the constraint condition of the longitudinal dimension may further include: and silicone rubber 3. Wherein, the connection thread positions between the air bag 8 and the connection joint 6, between the chuck 5 and the gas generating element 10, between the connection joint 6 and the mounting seat 4 and between the clapboard detonator 1 and the mounting seat 4 are coated with silicon rubber 3, so as to ensure the sealing performance of the connection positions.
In the embodiment, the structure of the connecting joint (6) at the position connected with the air bag (8) is as follows: a non-rotating body of a special-shaped structure; the non-revolving body is of a special-shaped structure, wherein the longitudinal length of the non-revolving body is short, and the transverse length of the non-revolving body is long; the non-revolving body has a special-shaped structure of a waist shape, or an elliptical shape, or a waist shape with air bags (11) with storage grooves at both sides, as shown in fig. 3. Preferably, after the air bag (8) is sleeved at the position corresponding to the special-shaped section of the connecting joint (6), if the air bag (8) has an excess length part, the excess length part of the air bag (8) is accommodated in the air bag accommodating groove. Wherein, the setting position of the air bag accommodating groove 11 can be flexibly adjusted according to the actual installation space requirement.
In the present embodiment, as shown in fig. 5, the separator initiator 1 is internally provided with a metal separator 12 having a certain thickness D. Preferably, the thickness D has a value range of: 1.5-2.4 mm.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (8)
1. An end seal arrangement for an air bag separator subject to longitudinal dimensional constraints, comprising: the device comprises a clapboard detonator (1), a mounting seat (4), a chuck (5), a connecting joint (6), a porous gasket (7), an air bag (8), a screw (9) and a gas generating element (10);
the clapboard detonator (1) is connected with the connecting joint (6) through the mounting seat (4);
the air bag (8) is sleeved at the corresponding position of the special-shaped section of the connecting joint (6), and the two porous gaskets (7) are respectively wrapped on the outer side of the air bag (8) from the upper direction and the lower direction;
through holes or threaded holes which are matched with each other are formed in the connecting joint (6), the porous gasket (7) and the air bag (8); the screw (9) is screwed into the threaded hole on the connecting joint (6) after penetrating through the porous gasket (7) and the through hole on the air bag (8);
the chuck (5) is embedded in the end part of the connecting joint (6);
the end of the gas generating element (10) is inserted into the chuck (5).
2. The tip seal arrangement for an air bag separator device under longitudinal dimension constraints of claim 1, further comprising: a washer (2); wherein, the gasket (2) is arranged at the connecting position of the clapboard detonator (1) and the mounting seat (4).
3. The tip seal arrangement for an air bag separator device under longitudinal dimension constraints of claim 1, further comprising: a silicone rubber (3); wherein, the connecting thread positions between the air bag (8) and the connecting joint (6), between the chuck (5) and the gas generating element (10), between the connecting joint (6) and the mounting seat (4) and between the clapboard detonator (1) and the mounting seat (4) are coated with silicon rubber (3).
4. The end sealing structure of an air bag separating device under the condition of longitudinal dimension constraint according to claim 1, characterized in that the structure on the connecting joint (6) at the position connected with the air bag (8) is as follows: a non-rotating body of a special-shaped structure; the non-revolving body is of a special-shaped structure, wherein the longitudinal length of the non-revolving body is short, and the transverse length of the non-revolving body is long; the non-revolving body has a special-shaped structure of a waist shape, or an elliptical shape, or a waist shape with air bags (11) with storage grooves at both sides.
5. The end sealing structure of the airbag separation device under the condition of the longitudinal dimension constraint according to claim 4 is characterized in that after the airbag (8) is sleeved at the corresponding position of the special-shaped section of the connecting joint (6), if the airbag (8) has an excess length part, the excess length part of the airbag (8) is accommodated in the airbag accommodating groove.
6. The end sealing structure of the airbag separation device under the condition of the constraint of the longitudinal dimension as recited in claim 1 is characterized in that the porous gasket (7) is of a special-shaped porous structure and is matched with the structure of the special-shaped section of the connecting joint (6); the special-shaped section of the connecting joint (6) is provided with a threaded hole matched with the hole on the porous gasket (7).
7. End sealing structure of an airbag separation device under the condition of longitudinal dimension constraint according to claim 1, characterized in that a metal partition (12) with a certain thickness D is arranged inside the partition initiator (1).
8. The end seal structure of an air bag separating device under the condition of longitudinal dimension constraint according to claim 7, wherein the thickness D has a value range of: 1.5-2.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192134.XA CN112373733B (en) | 2020-10-30 | 2020-10-30 | End sealing structure of air bag separating device under longitudinal size constraint condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192134.XA CN112373733B (en) | 2020-10-30 | 2020-10-30 | End sealing structure of air bag separating device under longitudinal size constraint condition |
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| CN112373733A true CN112373733A (en) | 2021-02-19 |
| CN112373733B CN112373733B (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011192134.XA Active CN112373733B (en) | 2020-10-30 | 2020-10-30 | End sealing structure of air bag separating device under longitudinal size constraint condition |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263032Y (en) * | 1996-04-22 | 1997-09-24 | 陈显和 | Safety air bag for car |
| CN2663772Y (en) * | 2003-07-16 | 2004-12-15 | 青岛港（集团）有限公司 | Safety charging connector |
| CN200979053Y (en) * | 2006-10-17 | 2007-11-21 | 渤海船舶重工有限责任公司 | Self-expansion type pressure testing plugging device |
| EP2692620A1 (en) * | 2011-03-31 | 2014-02-05 | Takata Corporation | Air bag device and air bag cover |
| KR20180137352A (en) * | 2017-06-16 | 2018-12-27 | 주식회사다스 | Side airbag device for seat of vehicle |
| CN109751926A (en) * | 2018-12-26 | 2019-05-14 | 北京宇航系统工程研究所 | A kind of pollution-free air bag separator for the flat throwing separation of large-scale radome fairing |
| CN211252517U (en) * | 2019-10-12 | 2020-08-14 | 南京信息职业技术学院 | Vehicle-mounted deflation air bag device for protecting pedestrians |
| CN111734732A (en) * | 2020-06-18 | 2020-10-02 | 天津爱思达新材料科技有限公司 | Self-locking base of quick connecting mechanism |
-
2020
- 2020-10-30 CN CN202011192134.XA patent/CN112373733B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263032Y (en) * | 1996-04-22 | 1997-09-24 | 陈显和 | Safety air bag for car |
| CN2663772Y (en) * | 2003-07-16 | 2004-12-15 | 青岛港（集团）有限公司 | Safety charging connector |
| CN200979053Y (en) * | 2006-10-17 | 2007-11-21 | 渤海船舶重工有限责任公司 | Self-expansion type pressure testing plugging device |
| EP2692620A1 (en) * | 2011-03-31 | 2014-02-05 | Takata Corporation | Air bag device and air bag cover |
| KR20180137352A (en) * | 2017-06-16 | 2018-12-27 | 주식회사다스 | Side airbag device for seat of vehicle |
| CN109751926A (en) * | 2018-12-26 | 2019-05-14 | 北京宇航系统工程研究所 | A kind of pollution-free air bag separator for the flat throwing separation of large-scale radome fairing |
| CN211252517U (en) * | 2019-10-12 | 2020-08-14 | 南京信息职业技术学院 | Vehicle-mounted deflation air bag device for protecting pedestrians |
| CN111734732A (en) * | 2020-06-18 | 2020-10-02 | 天津爱思达新材料科技有限公司 | Self-locking base of quick connecting mechanism |
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|---|---|
| CN112373733B (en) | 2022-07-05 |
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