CN102039993A - Injection device for life-saving air bag - Google Patents
Injection device for life-saving air bag Download PDFInfo
- Publication number
- CN102039993A CN102039993A CN2010105493933A CN201010549393A CN102039993A CN 102039993 A CN102039993 A CN 102039993A CN 2010105493933 A CN2010105493933 A CN 2010105493933A CN 201010549393 A CN201010549393 A CN 201010549393A CN 102039993 A CN102039993 A CN 102039993A
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- air
- air door
- pipeline
- pressing plate
- induction apparatus
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Abstract
The invention relates to an injection device for a life-saving air bag, comprising a three-way shell, one end of the shell is an intake end for communicating with a high-pressure gas intake while the other end of which is an outtake end for communicating with the air bag and the final end of which is an air door end for communicating with outside atmosphere, the three ends are intercommunicated, an end cover is arranged on the air door end, an air door hole is formed on the end cover, an air door pressing plate capable of opening and closing the air door hole through elastic deformation under air pressure at two sides of the air door hole is fixed at an inner side of the end cover, and the air door pressing plate comprises a fixed part which is fixed on the end cover, and an elastic bending part which covers and seals the air door hole. The device not only can be reused, but also has no chemical safety problems; air is inhaled under negative pressure which is generated while injecting high-pressure gas in the air bag, and the air door can be automatically closed in an air inflation process. The whole device is light in weight, reliable in sealing, large in injection ratio, automatic in pull-in after injection and very convenient in use and maintenance.
Description
Technical field
The present invention relates to a kind of special-purpose induction apparatus that is used for the life saving air bag gas inflated.
Background technology
Life such as existing life saving air bag when the crisis situation, adopt the mode of chemistry to make two substance reactions often, and moment produces a large amount of gases and fills life saving air bag.This mode is owing to be disposable, and cost own is higher, and reactant may go wrong because of depositing for a long time, causes its safety, reliability lower.
Summary of the invention
The purpose of this invention is to provide a kind of induction apparatus that is used for life saving air bag, in order to solve existing airbag aeration mode cost height, the problem that reliability is low.
For achieving the above object, the solution of the present invention is: a kind of induction apparatus that is used for life saving air bag, comprise a three-way body, housing one end is the inlet end that is used to be communicated with the high pressure gas admission port, the other end is the outlet side that is used for communicated air bags, last end is the air door end that is used to be communicated with ambient atmosphere, above-mentioned three ends are interconnected, described air door end is provided with end cap, have the air door hole on the end cap, the end cap inboard is fixed one can be by the air door pressing plate in elastic deformation folding air door hole under the gas pressure of both sides, air door hole, and described air door pressing plate comprises fixed part that is fixed on the end cap and the elastic bending part branch that covers sealing air door hole.
Adopt this induction apparatus, not only recursive use, and do not have the safety issue of chemical mode; The negative pressure that produces when utilizing high pressure gas to inject air bag, aspirated air, and inflation can be sealed air door when finishing automatically.Whole installation weight is light, and sealing is reliable, and the injection ratio is big, adhesive automatically behind the injection, and working service is all very convenient.
Be equipped with air inlet valve on the described housing inlet end, air inlet valve comprises valve body, is useful on the pipeline that is communicated with described enclosure interior cavity in the valve body, is provided with in the described pipeline to make the check valve that gas can only be from the pipeline admission port to the air extractor duct nonreturn flow.Described check valve is included in the described valve body pipeline spool and the admission piece that is fixed on the pipeline along pipeline bearing of trend free-running fit, slidable fit, admission piece has the air extractor vent that is communicated with described pipeline, spool all has the Thrust Faces that mutual thrust cooperates with admission piece, the air extractor duct of described air extractor vent is located on the Thrust Faces of admission piece, also be provided with the seal ring that is used for blanketing gas around the air extractor duct of described air extractor vent, spool is used to make spool to hold out against the spring of admission piece away from being top-loaded with between end of admission piece and the described pipeline.Described valve body inserts described enclosure interior, is equipped with at least two nozzles towards described housing outlet side on the air extractor duct of valve body.The fixed part of described air door pressing plate and elastic bending part are provided with groove between dividing.Also be embedded with foundary weight on the described air door pressing plate, the end cap outside is fixed with the magnet piece of corresponding described foundary weight.
Description of drawings
Fig. 1 is integral structure figure of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the air inlet valve cutaway view;
Fig. 4 is the cutaway view (the C-C direction of Fig. 2) of air door;
Fig. 5 is the A direction view of Fig. 4;
Fig. 6 is the B direction view of Fig. 4.
The specific embodiment
The present invention will be further described in detail below in conjunction with accompanying drawing.
Induction apparatus shown in Fig. 1-6, comprise a tubular shell with three-port structure, as Fig. 1, left end is for being communicated with the air door end of ambient atmosphere, right-hand member is the outlet side of communicated air bags, the upper end is for connecting the inlet end of high pressure gas, connect on the inlet end and establish air inlet valve, housing is inserted in valve body 11 bottoms of air inlet valve, the negative thread on top is bolted with admission piece 3, be provided with first seal ring 15 between admission piece 3 and the valve body 11, be useful on the pipeline that is communicated with described enclosure interior cavity in the valve body 11, be provided with in the described pipeline and make the check valve that gas can only be from the pipeline admission port to the air extractor duct nonreturn flow.This check valve is included in the valve body pipeline along pipeline bearing of trend free-running fit, the spool 14 of slidable fit and the admission piece 3 that is fixed on the pipeline, admission piece 3 has the air extractor vent of connecting pipeline, spool 14 all has the Thrust Faces that mutual thrust cooperates with admission piece 3, the air extractor duct of air extractor vent is located on the Thrust Faces of admission piece 3, also be provided with second seal ring 16 that is used for blanketing gas around the air extractor duct of air extractor vent, a spacing guide pin bushing 12 is arranged in the pipeline of spool 14 away from an end of admission piece 3, be top-loaded with between spacing guide pin bushing 12 and the spool 14 and be used to make spool 14 to hold out against the spring 13 of admission piece 3.Valve body 11 air extractor ducts are communicated with a plurality of nozzles 10, and nozzle 10 stretches into airduct 1, airduct 1 communicated air bags.
When gas entered air inlet valve, compression spring 13 entered air bag and puts on the air, and became big up to air bag air pressure, and spring 13 is upspring, and stopped up the gas passage once more.
Fig. 2 is the air door end, have the air door hole of symmetry on the end cap 4 of shell, the left and right sides, air door hole concaves, the recessed part outside is fixed with magnet piece 8, the inboard fixing rubber-like air door pressing plate 22 as shown in Figure 6 in end cap 4 middle parts, the middle part of air door pressing plate 22 is screwed onto inboard, end cap 4 middle part by screw 7, pad 6, and the semi-circular portions at two ends can cover cooresponding air door hole fully, and be provided with groove between center fixed part and two ends semi-circular portions, groove face is towards the air door inboard; Also embedded cooresponding semicircle foundary weight 21 on the semi-circular portions of air door pressing plate 22, air door pressing plate 22 constitutes air door 9 with foundary weight 21.(as shown in the figure, the semi-circular portions of above-mentioned semicircle foundary weight 21, air door hole, air door pressing plate 22 all is not complete semicircle.）
When air door 9 is in closed condition, air door pressing plate 22 is from end cap 4 inboard sealing air door holes, and the magnet piece 8 on the end cap 4 can be stablized this state; When air door is opened, external air pressure bends inwards air door pressing plate 22, and the groove on the air door pressing plate 22 can make its easier bending.When gasbag pressure increased, air door pressing plate 22 recovered to stretch, and closes air door.
During use, air inlet valve can be connected on the external gas cylinder, when accident takes place, when needing inflation, control high pressure gas and pour into air inlet valve, enter airduct 1 from nozzle 10, and the formation negative pressure, under the externally atmospheric effect, air door pressing plate 22 bends inwards, air door 9 is opened, and outside atmosphere enters in the lifeboat air bag with high pressure gas; When be inflated to gasbag pressure that spool 14 is subjected to add air inlet valve medi-spring 13 elastic force greater than high-pressure gas pressure after, spool 14 contacts with admission piece 11, forms sealing, stops high pressure gas to flow backwards; When the air bag internal pressure is greater than or equal to external atmosphere pressure, air door pressing plate 22 recovers, and closes the air door hole, and closes by magnetic force and pressure at both sides difference, and prevention gas goes out from the air door orifice flow.
Claims (6)
1. induction apparatus that is used for life saving air bag, it is characterized in that, this induction apparatus comprises a three-way body, housing one end is the inlet end that is used to be communicated with the high pressure gas admission port, the other end is the outlet side that is used for communicated air bags, last end is the air door end that is used to be communicated with ambient atmosphere, above-mentioned three ends are interconnected, described air door end is provided with end cap, have the air door hole on the end cap, the end cap inboard is fixed one can be by the air door pressing plate in elastic deformation folding air door hole under the gas pressure of both sides, air door hole, and described air door pressing plate comprises fixed part that is fixed on the end cap and the elastic bending part branch that covers sealing air door hole.
2. induction apparatus according to claim 1, it is characterized in that, be equipped with air inlet valve on the described housing inlet end, air inlet valve comprises valve body, be useful on the pipeline that is communicated with described enclosure interior cavity in the valve body, be provided with in the described pipeline and make the check valve that gas can only be from the pipeline admission port to pipeline air extractor duct nonreturn flow.
3. induction apparatus according to claim 2, it is characterized in that, described check valve is included in the described valve body pipeline along pipeline bearing of trend free-running fit, the spool of slidable fit and the admission piece that is fixed on the pipeline, admission piece has the air extractor vent that is communicated with described pipeline, spool all has the Thrust Faces that mutual thrust cooperates with admission piece, the air extractor duct of described air extractor vent is located on the Thrust Faces of admission piece, also be provided with the seal ring that is used for blanketing gas around the air extractor duct of described air extractor vent, spool is used to make spool to hold out against the spring of admission piece away from being top-loaded with between end of admission piece and the described pipeline.
4. induction apparatus according to claim 2 is characterized in that described valve body inserts described enclosure interior, is equipped with at least two nozzles towards described housing outlet side on the air extractor duct of valve body.
5. induction apparatus according to claim 1 is characterized in that, the fixed part of described air door pressing plate and elastic bending part are provided with groove between dividing.
6. according to each described induction apparatus among the claim 1-5, it is characterized in that, also be embedded with foundary weight on the described air door pressing plate, the end cap outside is fixed with the magnet piece of corresponding described foundary weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105493933A CN102039993B (en) | 2010-11-18 | 2010-11-18 | Injection device for life-saving air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105493933A CN102039993B (en) | 2010-11-18 | 2010-11-18 | Injection device for life-saving air bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102039993A true CN102039993A (en) | 2011-05-04 |
| CN102039993B CN102039993B (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105493933A Active CN102039993B (en) | 2010-11-18 | 2010-11-18 | Injection device for life-saving air bag |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171747A (en) * | 2013-04-07 | 2013-06-26 | 李存扣 | Lifesaving throwing device |
| CN107521704A (en) * | 2017-07-31 | 2017-12-29 | 凯迈（洛阳）气源有限公司 | A kind of induction apparatus and its damper assemblies |
| CN107651200A (en) * | 2017-10-30 | 2018-02-02 | 航宇救生装备有限公司 | A kind of multiinjector injector for the inflation of civil aircraft slide |
| CN107859257A (en) * | 2017-11-21 | 2018-03-30 | 江苏师范大学 | A kind of lifesaving guardrail |
| CN110376656A (en) * | 2018-04-13 | 2019-10-25 | 同方威视技术股份有限公司 | Bent alpha ray shield door curtain, article rays safety detection apparatus and article safe examination system |
| CN110860048A (en) * | 2019-12-20 | 2020-03-06 | 广州航海学院 | Portable escape device |
Citations (7)
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|---|---|---|---|---|
| US2679654A (en) * | 1950-10-30 | 1954-06-01 | L K Hosking Inc | Tire inflating and servicing device |
| GB1240059A (en) * | 1969-02-27 | 1971-07-21 | Thomas Marpoole Morris | A sheet of panel of flexible material and method and apparatus for producing same |
| CN2167951Y (en) * | 1993-06-24 | 1994-06-08 | 邹宇平 | Automatic life-saving device for person falling in water |
| EP0881417A2 (en) * | 1997-05-30 | 1998-12-02 | Martin Engineering Company | Aerator valve assembly |
| CN2639562Y (en) * | 2003-09-09 | 2004-09-08 | 曹林焕 | Electric aeration air bag |
| CN101463942A (en) * | 2009-01-09 | 2009-06-24 | 凯迈（洛阳）测控有限公司 | Gas container and unidirectional three-way valve for high-pressure air feed |
| CN201932350U (en) * | 2010-11-18 | 2011-08-17 | 凯迈（洛阳）气源有限公司 | Ejection device for lifesaving gasbag |
-
2010
- 2010-11-18 CN CN2010105493933A patent/CN102039993B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2679654A (en) * | 1950-10-30 | 1954-06-01 | L K Hosking Inc | Tire inflating and servicing device |
| GB1240059A (en) * | 1969-02-27 | 1971-07-21 | Thomas Marpoole Morris | A sheet of panel of flexible material and method and apparatus for producing same |
| CN2167951Y (en) * | 1993-06-24 | 1994-06-08 | 邹宇平 | Automatic life-saving device for person falling in water |
| EP0881417A2 (en) * | 1997-05-30 | 1998-12-02 | Martin Engineering Company | Aerator valve assembly |
| CN2639562Y (en) * | 2003-09-09 | 2004-09-08 | 曹林焕 | Electric aeration air bag |
| CN101463942A (en) * | 2009-01-09 | 2009-06-24 | 凯迈（洛阳）测控有限公司 | Gas container and unidirectional three-way valve for high-pressure air feed |
| CN201932350U (en) * | 2010-11-18 | 2011-08-17 | 凯迈（洛阳）气源有限公司 | Ejection device for lifesaving gasbag |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171747A (en) * | 2013-04-07 | 2013-06-26 | 李存扣 | Lifesaving throwing device |
| CN107521704A (en) * | 2017-07-31 | 2017-12-29 | 凯迈（洛阳）气源有限公司 | A kind of induction apparatus and its damper assemblies |
| CN107651200A (en) * | 2017-10-30 | 2018-02-02 | 航宇救生装备有限公司 | A kind of multiinjector injector for the inflation of civil aircraft slide |
| CN107859257A (en) * | 2017-11-21 | 2018-03-30 | 江苏师范大学 | A kind of lifesaving guardrail |
| CN107859257B (en) * | 2017-11-21 | 2019-12-31 | 江苏师范大学 | Lifesaving guardrail |
| CN110376656A (en) * | 2018-04-13 | 2019-10-25 | 同方威视技术股份有限公司 | Bent alpha ray shield door curtain, article rays safety detection apparatus and article safe examination system |
| CN110860048A (en) * | 2019-12-20 | 2020-03-06 | 广州航海学院 | Portable escape device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102039993B (en) | 2012-10-31 |
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