CN205896314U - Seal chamber emergency valve - Google Patents

Seal chamber emergency valve Download PDF

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Publication number
CN205896314U
CN205896314U CN201620763275.5U CN201620763275U CN205896314U CN 205896314 U CN205896314 U CN 205896314U CN 201620763275 U CN201620763275 U CN 201620763275U CN 205896314 U CN205896314 U CN 205896314U
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CN
China
Prior art keywords
valve
emergency valve
emergency
emergent
seal cavity
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.)
Active
Application number
CN201620763275.5U
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Chinese (zh)
Inventor
张群
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.)
Shenzhou Aerospace Beijing Technology Co ltd
Original Assignee
Zhongshan Yuanqi Health Management Co Ltd
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.)
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Publication date
Application filed by Zhongshan Yuanqi Health Management Co Ltd filed Critical Zhongshan Yuanqi Health Management Co Ltd
Priority to CN201620763275.5U priority Critical patent/CN205896314U/en
Application granted granted Critical
Publication of CN205896314U publication Critical patent/CN205896314U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a seal chamber emergency valve, including emergency valve body, emergency valve valve, movement spindle and emergent pull ring, movement spindle one end is fixed in the center of emergency valve valve, the other end pass the emergency valve body the middle part and with emergent pull ring fixed mutually, the relative emergency valve body of emergency valve valve reciprocates, when emergency valve valve one side atmospheric pressure is less than opposite side atmospheric pressure, the automatic switch -on that descends of emergency valve valve, when the atmospheric pressure state was opposite, the emergency valve valve upwards sticis and completely cuts off emergency valve valve both sides. This novel adoption emergency valve carries out self -interacting to excessive pressure and undervoltage condition: when seal chamber's atmospheric pressure was higher than the atmospheric pressure of automatic blow off valve valve air relief door settlement, the automatic blow off valve valve air relief door can automatic gassing come steady pressure. And under the circumstances of power failure or other special accidents, the mechanical characteristic who uses emergency valve can prevent effectively that the interior personnel's emergence circumstances of suffocating of seal chamber from taking place.

Description

A kind of seal cavity emergency valve
Technical field
This utility model belongs to seal member field, is related to a kind of emergency valve carrying out safety self regulation.
Background technology
The human body moment is required for being in the space of certain condition and living environment, a lot of in emergency circumstances, in order to Ensure the life security of people, lifesaving appliance is necessary.In lifesaving appliance, the equipment for completely cutting off outside adverse circumstances is outstanding It is important, such as oxygen cabin.For currently have sealing requirements nacelle using it is impossible to by extensive popularization and application, be primarily due to Current seal cavity volume is big, complex structure, price are high, and safety is not high, needs to have the personnel of Professional knowledge Can be operated.In the case that especially internally air pressure is relatively low, the common standby valve that above-mentioned seal cavity adopts, lead to Enter and need the long period during gas, or need larger pressure difference to be just enough to form quick-make, this has for the human body Potential safety hazard.And existing emergency valve is not directed to seal cavity and uses, and is all more general emergency valve, for inside and outside During pressure change, general emergency valve does not actively carry out assisting the function of opening and closing.
Content of the invention
The technical problems to be solved in the utility model is to provide a kind of to improve in cavity the safety of external seal and just In the effectively urgent emergency valve using.
A kind of seal cavity emergency valve described in the utility model, including emergent valve body and emergency valve valve, it also wraps Include mobile screw and emergent draw ring, described emergent valve body is located at outside seal cavity, and described mobile screw one end is fixed on should The center of anxious valve valve, the other end passes through the middle part of emergent valve body to fix with described emergent draw ring phase, emergency valve valve Relative emergency valve body moves up and down, when emergency valve valve side air pressure is less than opposite side air pressure, under emergency valve valve is automatic Fall connects the both sides of emergency valve valve, and when emergency valve valve side air pressure is higher than opposite side air pressure, emergency valve valve is to tightening Emergency valve body bottom portion is pressed to completely cut off the both sides of emergency valve valve.
Further describe as to a kind of above-mentioned seal cavity emergency valve, described emergency valve valve is located at seal cavity Medial surface.
Further describe as to a kind of above-mentioned seal cavity emergency valve, described mobile screw end is provided with groove, Emergent draw ring passes through described groove to interfix with mobile screw.
Further describe as to a kind of above-mentioned seal cavity emergency valve, the edge of described emergency valve valve is taper Step, the center of this type conical bench and emergency valve body bottom portion is bonded to each other and form sealing structure.
Further describe as to a kind of above-mentioned seal cavity emergency valve, also include plastic feet and axle sleeve, described Plastic feet and axle sleeve are fixed in seal cavity, and described emergency valve bodies top is provided with multiple through holes, connect emergency valve Body inside and outside, be provided with back-moving spring between described emergent valve body and emergency valve valve.
The beneficial effects of the utility model are: carry out self-regulation using emergency valve to overvoltage and under-voltage condition, and pass through Spring energy-storage carries out auxiliary adjustment, can be effectively increased degree easy to use.When the air pressure of cavity is higher than that automatic air release valve sets During air pressure, automatic air release valve meeting automatic deflation, carrys out the pressure in stabilizing cabin, prevents nacelle from explosion, or human body is in Uncomfortable situation and occurs in high pressure.And have a power failure or other special unexpected in the case of, the mechanical property of application emergency valve can Effectively to prevent the asphyxiant situation of personnel in seal cavity.
Brief description
Fig. 1 is overall structure figure of the present utility model;
Fig. 2 is the profile of emergency valve.
Specific embodiment
With reference to Fig. 1-2, a kind of seal cavity emergency valve described in the utility model, including emergent valve body 1 and emergency valve Valve 2, it also includes mobile screw 3 and emergent draw ring 4, and described emergent valve body 1 is located at outside seal cavity, described mobile spiral shell The center of emergency valve valve 2 is fixed in bar 3 one end, the other end pass through emergent valve body 1 middle part and with described emergent draw ring 4 Mutually fix, emergency valve valve 2 relative emergency valve body 1 moves up and down, and the both sides of emergency valve valve 2 are divided into the interior of seal cavity Portion's receiving space and the space outerpace of seal cavity, when emergency valve valve 2 side air pressure is less than opposite side air pressure, emergency valve Valve 2 declines inner accepting space and the space outerpace connecting emergency valve valve 2 both sides automatically, when emergency valve valve 2 side When air pressure is higher than opposite side air pressure, emergency valve valve 2 presses emergent valve body 1 bottom upwards and separates emergency valve valve 2 both sides Space.The seal cavity that this emergency valve is applied can be oxygen cabin, or other lifesaving appliances, mainly in order to provide human body to give birth to In the air feed equipment of life safety.Taking oxygen cabin as a example illustrate below: when the air pressure in seal cavity declines, in the work of gravity With under, emergency valve valve 2 will decline automatically, out of my cabin by the air inlet of emergent valve body 1, enters in seal cavity, from And keep consistent with extraneous pressure in cabin, meanwhile, this mechanical property can have a power failure or other special unexpectedly in the case of, prevent In seal cavity, personnel are ignorant and and asphyxiant situation occurs.
Further describe as to a kind of above-mentioned seal cavity emergency valve, described emergency valve valve 2 is located at annular seal space The medial surface of body.
Further describe as to a kind of above-mentioned seal cavity emergency valve, described mobile screw 3 end is provided with groove 5, emergent draw ring 4 passes through described groove 5 to interfix with mobile screw 3.Convenient by emergent draw ring 4 is arranged, effectively During to needing artificial use emergency valve, can directly open or close.
Further describe as to a kind of above-mentioned seal cavity emergency valve, the edge of described emergency valve valve 2 is cone Shape step, the center of this type conical bench and emergent valve body 1 bottom is bonded to each other and form sealing structure, gas can be effectively increased Close performance.
Further describe as to a kind of above-mentioned seal cavity emergency valve, also include plastic feet 12 and axle sleeve 13, Described plastic feet 12 and axle sleeve 13 are fixed in seal cavity, and described emergent valve body 1 top is provided with multiple through holes 14, To connect inside and the outside of emergent valve body 1, between described emergent valve body 1 and emergency valve valve 2, it is provided with back-moving spring 15.During connecting interior or exterior space, the pressure of back-moving spring 15 deposit in emergency valve can be equipped with mobile screw 3, emergency valve The gravity of valve 2 acts on downwards jointly, thus effectively opening emergency valve valve 2.
As people fall asleep in seal cavity occur have a power failure accident when, because the sealing of seal cavity is very good, under air pressure Fall is slower.Air pressure because being not up to automatic air release valve requires, so automatic air release valve will not start venting function.And adopt If manual modulation valve, need to unscrew manually and just can be exitted, people is in a sleep state it is impossible to that is exitted manually is dynamic Make, so this two devices are invalid, occur in seal cavity during this situation cannot self judgment, people is easy to life danger Danger.Use when it is preferable that, seal cavity inflation during, the finger of people pins emergency valve valve 2, continue 2-3 Can loose one's grip after emergency valve is in sealing state after minute and automatically be closed.
The above not imposes any restrictions to technical scope of the present utility model, all foundation this utility model technical spirit Any modification, equivalent variations and the modification that above embodiment is made, all still falls within the scope of technical solutions of the utility model Interior.

Claims (5)

1. a kind of seal cavity emergency valve, including emergent valve body and emergency valve valve it is characterised in that: also include mobile screw With emergent draw ring, outside seal cavity, emergency valve valve is fixed in described mobile screw one end to described emergent valve body Center, the other end passes through the middle part of emergent valve body to fix with described emergent draw ring phase, emergency valve valve relative emergency valve Body moves up and down, and when emergency valve valve side air pressure is less than opposite side air pressure, it is emergent that emergency valve valve declines connection automatically The both sides of valve valve, when emergency valve valve side air pressure is higher than opposite side air pressure, emergency valve valve presses emergency valve originally upwards Body bottom and completely cut off the both sides of emergency valve valve.
2. a kind of seal cavity emergency valve according to claim 1 it is characterised in that: described emergency valve valve be located at close The medial surface of envelope cavity.
3. a kind of seal cavity emergency valve according to claim 1 it is characterised in that: described mobile screw end is provided with Groove, emergent draw ring passes through described groove to interfix with mobile screw.
4. a kind of seal cavity emergency valve according to claim 1 it is characterised in that: the edge of described emergency valve valve For type conical bench, this type conical bench is bonded to each other with the center of emergency valve body bottom portion and form sealing structure.
5. a kind of seal cavity emergency valve according to claim 1 it is characterised in that: also include plastic feet and axle Set, described plastic feet and axle sleeve are fixed in seal cavity, and described emergency valve bodies top is provided with multiple through holes, connect Emergent valve body inside and outside, be provided with back-moving spring between described emergent valve body and emergency valve valve.
CN201620763275.5U 2016-07-20 2016-07-20 Seal chamber emergency valve Active CN205896314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620763275.5U CN205896314U (en) 2016-07-20 2016-07-20 Seal chamber emergency valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620763275.5U CN205896314U (en) 2016-07-20 2016-07-20 Seal chamber emergency valve

Publications (1)

Publication Number Publication Date
CN205896314U true CN205896314U (en) 2017-01-18

Family

ID=57772956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620763275.5U Active CN205896314U (en) 2016-07-20 2016-07-20 Seal chamber emergency valve

Country Status (1)

Country Link
CN (1) CN205896314U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108679275A (en) * 2018-05-07 2018-10-19 珠海市优氧健康产业有限公司 Oxygen chamber safety valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108679275A (en) * 2018-05-07 2018-10-19 珠海市优氧健康产业有限公司 Oxygen chamber safety valve
CN108679275B (en) * 2018-05-07 2019-11-15 珠海市优氧健康产业有限公司 Oxygen chamber safety valve

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200311

Address after: 603-9, floor 6, building 6, yard 54, Shijingshan Road, Shijingshan District, Beijing 100043

Patentee after: Good sleep (Beijing) Technology Co.,Ltd.

Address before: 415 card, 4 / F, south wing, data trade building, No. 6, Xiangxing Road, Torch Development Zone, Zhongshan City, Guangdong Province

Patentee before: ZHONGSHAN YUANQI HEALTH MANAGEMENT Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210207

Address after: 100045 Room 301, 3rd floor, building 52, Sanlihe 3rd District, Xicheng District, Beijing

Patentee after: Shenzhou Aerospace (Beijing) Technology Co.,Ltd.

Address before: 100043 603-9, 6th floor, building 6, yard 54, Shijingshan Road, Shijingshan District, Beijing

Patentee before: Good sleep (Beijing) Technology Co.,Ltd.

TR01 Transfer of patent right
PP01 Preservation of patent right

Effective date of registration: 20230801

Granted publication date: 20170118

PP01 Preservation of patent right