CN206860995U - The air bag connection valve that can be fed back - Google Patents

The air bag connection valve that can be fed back Download PDF

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Publication number
CN206860995U
CN206860995U CN201720257813.8U CN201720257813U CN206860995U CN 206860995 U CN206860995 U CN 206860995U CN 201720257813 U CN201720257813 U CN 201720257813U CN 206860995 U CN206860995 U CN 206860995U
Authority
CN
China
Prior art keywords
feedback
valve
valve body
air bag
interface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720257813.8U
Other languages
Chinese (zh)
Inventor
柳初萌
顾靖华
刘平小
范维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Navy Medicine Research Institute of PLA
Original Assignee
Navy Medicine Research Institute of PLA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Navy Medicine Research Institute of PLA filed Critical Navy Medicine Research Institute of PLA
Priority to CN201720257813.8U priority Critical patent/CN206860995U/en
Application granted granted Critical
Publication of CN206860995U publication Critical patent/CN206860995U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of air bag link valve fed back, including air inlet joint, valve body, steam supply valve, inflatable interface, feedback valve and feedback interface;Air inlet joint is connected with valve body;Gas is inflated by steam supply valve from inflatable interface to diving dress all the way;Another way gas enters feedback interface by feedback valve;Feedback interface is connected with valve body;Feedback valve has feedback diaphragm, feedback spring, feedback spring seat, feedback valve rod and feedback valve body;Feedback valve body is fixed on valve body, and feedback diaphragm is arranged between feedback valve body and valve body, and feedback spring is arranged between feedback valve body and feedback diaphragm, and feedback valve rod is arranged on the opposite side of feedback diaphragm, relative with feedback spring.It the advantage is that and the blowing pressure of air bag connection valve is fed back into inflating controller in real time, eliminate safe hidden trouble, ensure that diver quickly escape danger from underwater security.

Description

The air bag connection valve that can be fed back
Technical field
It the utility model is related to a kind of inflation system, and in particular to a kind of air bag connection valve fed back.
Background technology
The major function for the air bag connection valve that can be fed back is to ensure the normal gas of diver of quick diving dress of escaping danger Supply.With the continuous development of deep ocean work, the research to diver's underwater escape is increasingly valued by people.Implementing During underwater escape, diver needs quickly to escape danger diving dress, is pressurizeed into Quick-pressing cabin, treat in Quick-pressing cabin pressure with After extraneous hydraulic balance, open and covered on compression chamber, diver leaves Quick-pressing cabin, by the floating of diving dress offer that quickly escape danger Power, floating upward quickly to the water surface., it is necessary to be filled by inflation system for quick diving dress of escaping danger in pressure process in Quick-pressing cabin Gas, ensure diver's eupnea.The air demand of conventional inflation system can not with the pressure change adjust automatically in Quick-pressing cabin, Crush injury and the excessive quick diving dress balloon rupture etc. of escaping danger of drowned or air demand occurs in the presence of due to the too small diver of air demand Potential safety hazard.How the air demand of inflation system is enable with the pressure change adjust automatically in Quick-pressing cabin, to eliminate safety Hidden danger, it is an important subject of this area.
Utility model content
The purpose of this utility model is to provide a kind of air bag connection valve fed back, and ensures that diver is quick from underwater security Escape danger.
The utility model provides a kind of air bag connection valve fed back, including air inlet joint, valve body, steam supply valve, inflation connect Mouth, feedback valve and feedback interface;Air inlet joint is connected with valve body;Gas is entered by steam supply valve from inflatable interface to diving dress all the way Row inflation;Another way gas enters feedback interface by feedback valve;Feedback interface is connected with valve body;Feedback valve has feedback film Piece, feedback spring, feedback spring seat, feedback valve rod and feedback valve body;Feedback valve body is fixed on valve body, and feedback diaphragm is arranged on Feed back between valve body and valve body, feedback spring is arranged between feedback valve body and feedback diaphragm, and feedback valve rod is arranged on feedback film The opposite side of piece is relative with feedback spring.
Further, the utility model provides a kind of air bag connection valve fed back, also with following characteristics:Feed back in valve body There is the heart metering hole and the air inlet joint of air bag connection valve to turn on.
Further, the utility model provides a kind of air bag connection valve fed back, also with following characteristics:Feedback interface with Valve body screw thread connects, and is sealed using sealing ring.
Further, the utility model provides a kind of air bag connection valve fed back, also with following characteristics:Air inlet joint with Valve body screw thread connects, and is sealed using sealing ring.
Further, the utility model provides a kind of air bag connection valve fed back, also with following characteristics:Steam supply valve bag Include:Supply valve body, supply spring, lock nut, adjusting screw rod and supply valve rod;Adjusting screw rod is fixed on supply by lock nut On valve body, supply spring one end is enclosed on adjusting screw rod, and the other end is placed in the centre bore of supply valve rod.
Brief description of the drawings
Fig. 1 is the front view for the air bag connection valve that can be fed back.
Fig. 2 is the right view for the air bag connection valve that can be fed back.
Fig. 3 is the structure chart of safety valve.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the front view for the air bag connection valve that can be fed back.
Fig. 2 is the right view for the air bag connection valve that can be fed back.
As depicted in figs. 1 and 2, air bag connection valve 2 includes:Air inlet joint 210, valve body 220, steam supply valve 230, inflatable interface 240th, feedback valve 250, feedback interface 260 and safety valve 270.
Air inlet joint 210 is threadedly coupled with valve body 220, is sealed using sealing ring.Air inlet joint 210 and supply air line 3 conductings.Gas is inflated by steam supply valve 230 from inflatable interface 240 to diving dress all the way.Another way gas passes through feedback valve 250 enter feedback interface 260.Feedback interface 260 is threadedly coupled with valve body 220, is sealed using sealing ring.Feedback interface will Gas is transported in the feedback cavity of ventilating control valve.
Fig. 3 is the structure chart of safety valve.
As shown in figure 3, safety valve 270 includes:Emergency valve seat 203, safe bonnet 204, O-ring seals 201 and 202, peace Full spring 205, lock nut 206, adjusting screw rod 207, safety lever 208, limit journey pad 209.Emergency valve seat 203, safe bonnet 204 are fixed by screws on safety valve body 220, form Safety shell.The circumference of emergency valve seat 203 sets O-ring seals 201. Adjusting screw rod 207 is fixed on safe bonnet 204 by lock nut 206.The one end of safety spring 205 is enclosed on adjusting screw rod 207, The other end is placed in the centre bore of safety lever 208.The circumference of safety lever 208 sets O-ring seals 202.Limit journey pad 209 is set On the circumference of safety lever 208, the stroke of limited spring compression.
The structure of steam supply valve 230 is similar to the structure of safety valve 270.The steam supply valve of steam supply valve 230 includes, and supply valve body, supplies Gas spring, lock nut, adjusting screw rod and supply valve rod.Adjusting screw rod is fixed on supply valve body by lock nut, supplies bullet Spring one end is enclosed on adjusting screw rod, and the other end is placed in the centre bore of supply valve rod.
When diving dress needs inflation, diving dress inflation inlet is docked with steam supply valve 230, and valve rod 208 is exerted a force, and supplies spring 205 compressions, the gap that gas is opened between valve rod 208 and supply valve seat 203 enter in diving dress.The inflation inlet of diving dress with After steam supply valve 230 separates, the resilience of spring 205 is supplied, valve body 208 automatically closes gap, keeps sealing.
Feedback valve 250 includes:Feedback diaphragm 251, feedback spring 252, feedback spring seat 253, feedback valve rod 254 and feedback Valve body 255.Feedback valve body 255 is fixed by screws on the valve body 220 of air bag connection valve.Feedback diaphragm 251 is arranged on feedback Between valve body 255 and the valve body of air bag connection valve 220.Feedback spring 252 be arranged on feedback valve body 255 and feedback diaphragm 251 it Between.Feedback valve rod 254 is arranged on the opposite side of feedback diaphragm 251, relative with feedback spring 252.Feedback valve body 255 center has Metering hole and the air inlet joint 210 of air bag connection valve turn on.
Feedback interface 260 is tightly connected with feedback valve body 255.Charge air conditioning is more than the pressure in ventilating control valve feedback cavity Power, gas can be delivered gas in the feedback cavity of ventilating control valve from feedback valve into feedback interface.

Claims (5)

  1. A kind of 1. air bag connection valve fed back, it is characterised in that:Including air inlet joint, valve body, steam supply valve, inflatable interface, anti- Present valve and feedback interface;
    Wherein, air inlet joint is connected with valve body;Gas is inflated by steam supply valve from inflatable interface to diving dress all the way;It is another Road gas enters feedback interface by feedback valve;Feedback interface is connected with valve body;
    Feedback valve has feedback diaphragm, feedback spring, feedback spring seat, feedback valve rod and feedback valve body;Feedback valve body is fixed on On valve body, feedback diaphragm is arranged between feedback valve body and valve body, and feedback spring is arranged between feedback valve body and feedback diaphragm, Feedback valve rod is arranged on the opposite side of feedback diaphragm, relative with feedback spring.
  2. 2. the air bag connection valve according to claim 1 fed back, it is characterised in that:Wherein, feeding back valve body center has Metering hole turns on the air inlet joint of air bag connection valve.
  3. 3. the air bag connection valve according to claim 1 fed back, it is characterised in that:Wherein, feedback interface and valve body spiral shell Line connects, and is sealed using sealing ring.
  4. 4. the air bag connection valve according to claim 1 fed back, it is characterised in that:Wherein, air inlet joint and valve body spiral shell Line connects, and is sealed using sealing ring.
  5. 5. the air bag connection valve according to claim 2 fed back, it is characterised in that:Wherein, steam supply valve includes:Steam supply valve Body, supply spring, lock nut, adjusting screw rod and supply valve rod;
    Adjusting screw rod is fixed on supply valve body by lock nut, and supply spring one end is enclosed on adjusting screw rod, and the other end is placed on In the centre bore for supplying valve rod.
CN201720257813.8U 2017-03-16 2017-03-16 The air bag connection valve that can be fed back Expired - Fee Related CN206860995U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720257813.8U CN206860995U (en) 2017-03-16 2017-03-16 The air bag connection valve that can be fed back

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720257813.8U CN206860995U (en) 2017-03-16 2017-03-16 The air bag connection valve that can be fed back

Publications (1)

Publication Number Publication Date
CN206860995U true CN206860995U (en) 2018-01-09

Family

ID=60815857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720257813.8U Expired - Fee Related CN206860995U (en) 2017-03-16 2017-03-16 The air bag connection valve that can be fed back

Country Status (1)

Country Link
CN (1) CN206860995U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180109

Termination date: 20190316

CF01 Termination of patent right due to non-payment of annual fee