CN2041571U - Multi-functional combined reducer for breathing apparatus - Google Patents
Multi-functional combined reducer for breathing apparatus Download PDFInfo
- Publication number
- CN2041571U CN2041571U CN 88217234 CN88217234U CN2041571U CN 2041571 U CN2041571 U CN 2041571U CN 88217234 CN88217234 CN 88217234 CN 88217234 U CN88217234 U CN 88217234U CN 2041571 U CN2041571 U CN 2041571U
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- Prior art keywords
- decompressor
- high pressure
- spring
- pressure
- valve
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- Expired - Lifetime
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model relates to a portable multi-functional combined reducer for breathing apparatus, which is formed by combining and integrating a pressure reduction device, a safety valve, a pressure indicating apparatus and a residual gas warning device, and no pipes are used. The utility model has the advantages of reasonable design, compact structure, small size, high safety and good gas tightness. The gas supply with fixed quantity in a fixed quantity hole type can be realized, and the high flow rate output, which is more than 300l/min, can be realized by enlarging the output aperture; output flow rate can not be reduced because of frosting during the long time high flow rate output.
Description
This utility model relates to a kind of Portable, personal breathing protective respirator decompressor, is to the improvement of former respiratory organ with the decompressor structure.
At present, the known respiratory organ that is used to protect all is to be provided with separately with the decompressor of decompressor, relief valve, pressure-indication means etc., middlely links to each other with pipeline.This structure, pipe joint is more, and air-tightness is relatively poor, moreover this structural volume is bigger, and weight is also heavier, has increased load for the on-the-spot rescue personnel, so that can delay rescue personnel's the rescue time, so just may directly have influence on the success or failure of rescue.
The purpose of this utility model is to overcome that above-mentioned respiratory organ is big with the decompressor volume, the deficiency of poor air-tightness, and a kind of integrated multifunctional assembled decompressor is provided.
Technical solution of the present utility model: is one with respiratory organ with decompressor, relief valve, pressure-indication means and the residual air warning devices modular design of decompressor, press chamber and high pressure chest in dividing in the decompressor housing, the middle pressure between chamber and the high pressure chest is equipped with decompressor, middle chamber one side and the medium pressure gas delivery outlet of pressing communicates, and presses relief valve during opposite side is equipped with.High pressure chest communicates with gases at high pressure input port, pressure-indication means mouth respectively, at the opposite side of high pressure chest the residual air warning devices is housed also.Adopt the decompressor of this structure, middle no pipeline connects, and its overall dimension is reduced greatly, and airtight reliability significantly improves.
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the left side view of Fig. 1.
Among the figure, 1 is valve rod, and 2 is valve, and 3 is nickel screen; 4 for pressing the nickel screen screw, and 5 for connecing the pressure-indication means mouth, and 6 is the medium pressure gas delivery outlet; 7 for regulating medicated cap, and 8 is protective sleeve, and 9 is sealing member; 10 is piston, 11; 12 is spring, and 13 for drawing lid; 14 is locking cap, and 15 is sealing member, and 16 is locking cap; 17 is jackscrew, and 18 is back-up ring, and 19 is packing ring; 20 is the decompressor housing, and 21 is relief valve, and 22 is jackscrew; 23 are the alarm whistle, and 24 are back of the body medicated cap, and 25 is the nozzle body; 26 is sealing member, and 27 is spring, and 28 is the alarm device main body; 29 is the valve pad, and 30 for opening dead head, 31; 32 is sealing member; 33 is spring, and 34 is top for opening, and 35 is the gases at high pressure input port; 36 is set bolt, and 37 is the hands cushion rubber, and 38 is sealing member.
Decompressor of the present utility model is by valve rod 1; valve 2; locking cap 16; draw and cover 13; locking cap 14; piston 10; sealing member 9; 15; back-up ring 18; protective sleeve 8 and spring 11; 12 and relief valve 21 form; locking cap 16 suit valves 2; valve rod 1 back adopts the form of being threaded to be loaded between the middle pressure chamber B and high pressure chest A in the decompressor housing 20; one end of valve rod 1 with draw cover 13 the employing thread connection be one; piston 10 is sleeved on to draw and covers on 13; and it is piston 10 is fixing with locking cap 14; then with regulating medicated cap 7 with spring 11; 12 are pressed on the piston 10, seal with protective sleeve 8 at last.
The set bolt 36 of band passage is equipped with at 35 places, gases at high pressure input port, and the source of the gas drainage screen is equipped with at the passage place of set bolt 36.When gases at high pressure after gases at high pressure input port 35 and set bolt 36 enter high pressure chest A, enter the middle chamber B of pressure by the gap between valve rod 1 and the valve 2, because the force value of 11,12 pairs of pistons of spring has been given earlier and having been adjusted, the gas in the central pressure chamber B is a certain numerical value P
BThe time, P
BAct on power and the interior gas pressure P of high pressure chest A on the piston 10
AAct on the power on the valve rod 1 and the pressure of 11,12 pairs of pistons 10 of spring and balance each other, at this moment, the gas output pressure of decompressor is P
BWhen the gas output of decompressor reduces, to press the pressure in the B of chamber to raise in making, the power that acts on the piston 10 increases, piston 10 moves upward and compresses spring 11,12, drives valve rod 1 simultaneously and moves upward, and the gap between valve rod 1 and the valve 2 is reduced, when pressing the interior high pressure gas scale of construction of chamber B and its output gas flow to adapt in entering, the gap no longer changes between valve rod 1 and the valve 2, and at this moment, the gas pressure in the middle pressure chamber B is P
B'.When the gas output of decompressor increases, in in making, press the pressure of intracavity to reduce, the power that acts on the piston 10 reduces, piston 10 moves downward at acting force of the spring, also drives valve rod 1 simultaneously and moves downward, and the gap between valve rod 1 and the valve 2 is increased, when the high pressure gas scale of construction of pressure intracavity and its output adapt in entering, gap between valve rod 1 and the valve 2 no longer increases, and at this moment, the gas pressure in the middle pressure chamber B is P
B".If with P
B± △ P
BValue is decided to be decompressor gas output pressure ultimate value, so, is giving under the fixed bleed pressure condition, and the pressure that gives 11,12 pairs of pistons 10 of spring of adjusting earlier can guarantee this decompressor gas output pressure ultimate value P
B± △ P
BP
B± △ P
BBe to determine according to concrete instructions for use.When decompressor does not have gas output,, piston 10 will be moved upward, until the gap between valve rod 1 and the valve 2 is closed fully because gas pressure rises in the middle pressure chamber B.
Be not difficult to find out, if the gas pressure P in the high pressure chest A
ADuring minimizing, will cause piston 10 to move downward, the gap between intensifying valve 2 and the valve rod 1 increases the gas output pressure of this decompressor, the characteristics of Here it is this decompressor.
What medium pressure gas delivery outlet 6 of the present utility model adopted is the reaming structure, when being medium pressure gas output, export through adding the large aperture then through one section small-bore earlier, the output flow that has so just guaranteed medium pressure gas can be realized quantitatively output with dosing hole, also can adopt the method that strengthens output control aperture to realize big flow output, gas flow output can be reached more than the 300L/min.When long-time big flow was exported, the phenomenon of flow also can not appear reducing because of frosting.
The residual air warning devices that this utility model adopts by warning devices main body 28, open top 34, open dead head 30, valve pad 29, nozzle body 25, spring 33,27, the sealing member 26,31,32 and the alarm whistle 23, back of the body medicated cap 24 are formed.Warning devices main body 28 adopts the side that is loaded on decompressor housing 20 and communicate with high pressure chest A of being threaded.Opening top 34 front ends is cone shape, be loaded on the endoporus of opening dead head 30 after being inserted in spring 33, to open top 34 and open dead head and pack into together in the warning devices main body 28 then, compress with spring 27, adopt the form of being threaded to be loaded on the warning devices main body outside nozzle body 25 again, and spring 27 compressed, at last the valve pad 29 and the alarm whistle 23 are loaded on the nozzle body 25, with back of the body medicated cap 24 tight jails.Like this, the gas pressure P in high pressure chest A
AWhen acting on unlatching top 34 and opening on the dead head 30, make unlatching top 34 and unlatching dead head 30 compress springs 27 and move right, make unlatching top 34 and open dead head 30 to contact also airtight with valve pad 29.Spring 27 acts on the power of opening on the dead head 30 and gives earlier and mixing up.Gas P in high pressure chest A
AWhen dropping to a certain numerical value, act on open top 34 and the power on the dead head 30 of opening less than the active force of spring 27, open dead head 34 and open dead head 30 under spring 27 power effects to left movement, opening dead head 30 disengages with valve pad 29, gases at high pressure are by opening top 34 and open the cavity that slit between the dead head 30 flows into 25 of warning devices main body 28 and nozzle bodies, and 23 flow out and send audible alarm through the warning whistle.
The utility model collection decompressor, safety valve, pressure-indication means and residual air warning device and one, compact conformation, volume is little. Multiple functional, air-tightness is good, and is safe and reliable during use.
Claims (6)
1, a kind of respiratory organ comprises decompressor with integrated multifunctional assembled decompressor, it is characterized in that it is combined into one structure with decompressor, relief valve, pressure-indication means and residual air warning devices; Disjoining pressure chamber A and middle pressure chamber B are equipped with decompressor between high pressure chest A and the middle pressure chamber B in the decompressor housing 20; A middle side and the medium pressure gas delivery outlet 6 of chamber B of pressing communicates, and presses relief valve 21 during opposite side is equipped with; High pressure chest A respectively with gases at high pressure input port 35, connect pressure-indication means mouth 5 and communicate, at the opposite side of high pressure chest A the residual air warning devices is housed also.
2, respiratory organ according to claim 1 is characterized in that with integrated multifunctional assembled decompressor medium pressure gas delivery outlet 6 is the reaming structure, i.e. export through adding the large aperture then through one section small-bore earlier during medium pressure gas output.
3; respiratory organ according to claim 1 and 2 is with integrated multifunctional assembled decompressor; it is characterized in that described decompressor is by valve rod 1; valve 2; locking cap 16; draw and cover 13; locking cap 14; piston 10; sealing member 9; 15; back-up ring 18; regulate medicated cap 7; protective sleeve 8; and spring 11; 12; relief valve 21 is formed; locking cap 16 suit valves 2; valve rod 1 back adopts the form of being threaded to be loaded between the middle pressure chamber B and high pressure chest A in the decompressor housing 20; one end of valve rod 1 cover 13 employings and is threaded to one with drawing; piston 10 is enclosed within to draw and covers on 13; and it is piston 10 is fixing with locking cap 14; then with regulating medicated cap 7 with spring 11; 12 are pressed on the piston 10, seal with protective sleeve 8 at last.
4, according to claim 1,2,3 described respiratory organs are with integrated multifunctional assembled decompressor, it is characterized in that described residual air warning devices is by warning devices main body 28, open top 34, open dead head 30, valve pad 29, nozzle body 25, spring 33,27, sealing member 26,31,32 and the alarm whistle 23, back of the body medicated cap 24 is formed, warning devices main body 28 adopts the side that is loaded on decompressor housing 20 and communicate with high pressure chest A of being threaded, opening top 34 front ends is cone shape, be loaded on unlatching dead head 30 endoporus after being inserted in spring 34, in the warning devices main body 28 of packing into together then, compress with spring 27, nozzle body 25 being adopted the form of being threaded to be loaded on outside the warning devices main body and with spring 27 compresses again, at last the valve pad 29 and the alarm whistle 23 are loaded on the nozzle body 25, with back of the body medicated cap 24 tight jails.
5, according to claim 1,2,3,4 described respiratory organs with integrated multifunctional assembled decompressor, it is characterized in that described gases at high pressure delivery outlet 35 places are equipped with the set bolt 36 of band passage, the source of the gas drainage screen is equipped with at the passage place of set bolt 36.
6, according to claim 1,2,3,4,5 described respiratory organs with integrated multifunctional assembled decompressor, it is characterized in that connecing pressure-indication means mouth 5 places and nickel screen 3 be housed and press nickel screen screw 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88217234 CN2041571U (en) | 1988-12-14 | 1988-12-14 | Multi-functional combined reducer for breathing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88217234 CN2041571U (en) | 1988-12-14 | 1988-12-14 | Multi-functional combined reducer for breathing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2041571U true CN2041571U (en) | 1989-07-26 |
Family
ID=4849793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88217234 Expired - Lifetime CN2041571U (en) | 1988-12-14 | 1988-12-14 | Multi-functional combined reducer for breathing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2041571U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157203A (en) * | 2012-11-09 | 2013-06-19 | 上海宝亚安全装备有限公司 | Rapid connecting device |
| CN103453316A (en) * | 2012-06-04 | 2013-12-18 | 上海鹰格安防设备有限公司 | Double-pressure-output decompressor |
| CN105517634A (en) * | 2013-08-28 | 2016-04-20 | 株式会社山凊 | Pressure adjuster for respirator |
| CN105531001A (en) * | 2013-08-28 | 2016-04-27 | 株式会社山凊 | Easily-assembled pressure adjuster for respirator |
| CN105555367A (en) * | 2013-08-28 | 2016-05-04 | 株式会社山凊 | Pressure adjuster having easy pressure reduction control for respirator |
| CN105641791A (en) * | 2016-03-17 | 2016-06-08 | 北京大学深圳医院 | First-aid respirator |
| CN106267609A (en) * | 2016-08-11 | 2017-01-04 | 中国船舶重工集团公司第七0四研究所 | Meet an urgent need for boats and ships the decompressor of respiratory system |
| TWI576123B (en) * | 2015-01-22 | 2017-04-01 | 山凊股份有限公司 | Ventilator |
| CN108969922A (en) * | 2018-08-17 | 2018-12-11 | 上海宝亚安全装备股份有限公司 | A kind of respirator pressure reducer alarm whistle device |
-
1988
- 1988-12-14 CN CN 88217234 patent/CN2041571U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453316A (en) * | 2012-06-04 | 2013-12-18 | 上海鹰格安防设备有限公司 | Double-pressure-output decompressor |
| CN103157203B (en) * | 2012-11-09 | 2015-09-16 | 上海宝亚安全装备有限公司 | A kind of Quick Connect Kit |
| CN103157203A (en) * | 2012-11-09 | 2013-06-19 | 上海宝亚安全装备有限公司 | Rapid connecting device |
| CN105531001B (en) * | 2013-08-28 | 2019-01-08 | 株式会社山凊 | Hold the pressure regulator of easy-to-assemble respirator |
| CN105517634A (en) * | 2013-08-28 | 2016-04-20 | 株式会社山凊 | Pressure adjuster for respirator |
| CN105531001A (en) * | 2013-08-28 | 2016-04-27 | 株式会社山凊 | Easily-assembled pressure adjuster for respirator |
| CN105555367A (en) * | 2013-08-28 | 2016-05-04 | 株式会社山凊 | Pressure adjuster having easy pressure reduction control for respirator |
| CN105555367B (en) * | 2013-08-28 | 2019-01-08 | 株式会社山凊 | It is easy to adjust the pressure regulator of the respirator of decompression |
| CN105517634B (en) * | 2013-08-28 | 2019-01-08 | 株式会社山凊 | The pressure regulator of respirator |
| TWI576123B (en) * | 2015-01-22 | 2017-04-01 | 山凊股份有限公司 | Ventilator |
| CN105641791A (en) * | 2016-03-17 | 2016-06-08 | 北京大学深圳医院 | First-aid respirator |
| CN106267609A (en) * | 2016-08-11 | 2017-01-04 | 中国船舶重工集团公司第七0四研究所 | Meet an urgent need for boats and ships the decompressor of respiratory system |
| CN106267609B (en) * | 2016-08-11 | 2019-04-05 | 中国船舶重工集团公司第七0四研究所 | Decompressor for ship emergency respiratory system |
| CN108969922A (en) * | 2018-08-17 | 2018-12-11 | 上海宝亚安全装备股份有限公司 | A kind of respirator pressure reducer alarm whistle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |