CN208619785U - A kind of breathing combination valve - Google Patents
A kind of breathing combination valve Download PDFInfo
- Publication number
- CN208619785U CN208619785U CN201821306347.9U CN201821306347U CN208619785U CN 208619785 U CN208619785 U CN 208619785U CN 201821306347 U CN201821306347 U CN 201821306347U CN 208619785 U CN208619785 U CN 208619785U
- Authority
- CN
- China
- Prior art keywords
- pressure
- valve body
- breathing
- pressure chamber
- combinaing
- 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
Links
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Safety Valves (AREA)
Abstract
The utility model discloses a kind of breathing combination valves, air intake lever extends from the lower end of breathing combinaing valve body, and is connected with pressure-air steel cylinder, provides pressure-air for breathing combinaing valve body, it is provided with high-pressure chamber in breathing combinaing valve body, high-pressure chamber is connected with air intake lever；High-pressure aerated interface, pressure gauge distribution are arranged in the valve body of high-pressure chamber two sides, and high-pressure aerated interface, pressure gauge are connected with high-pressure chamber；High-voltage safety valve body is additionally provided in the breathing combinaing valve body ipsilateral positioned at high-pressure aerated interface, exhaust passage is additionally provided in the breathing combinaing valve body ipsilateral positioned at pressure gauge, it is vented alarm whistle to be arranged in exhaust passage, high-voltage safety valve body, exhaust passage are connected with high-pressure chamber.The utility model can be inflated pressure-air steel cylinder, and matched in the progress of combination switch shank bolt by switch shank and extrude gas control system, convenient and reliable, convenient for operation.
Description
Technical field
The utility model relates to emergency escape breathing technique fields, and in particular to a kind of breathing combination valve.
Background technique
Breathing combination valve is connect with pressure-air steel cylinder, is applied in Emergency Escape Breathing Device, and effect is by gas cylinder
Interior high pressure gas reduces to the medium pressure gas of 8-12bar, then is transported in breathing head by middle pressure pipe, when escaping for user of service just
Often breathing use, performance be directly related to breathing combination valve Emergency Escape Breathing Device whether well work normally.Mesh
Before, breathing combination valve on the market has the disadvantage that
(1) it is not provided with air gauge, can not achieve and be inflated to pressure-air steel cylinder, limits its use scope；
(2), after breathing combination valve use, valve body can exclude remaining air, and user of service can not know remaining
Whether air effectively excludes, because the gas placed for a long time bacterium easy to breed in breathing combination valve, next use will affect
The health of user of service；
(3), using handwheel control in extrude gas, structure is complicated, and control is inconvenient；
(4), when the depressurization to pressure-air breaks down, the air without decompression can directly be exported, it can be right
User of service damages.
Utility model content
The purpose of the utility model is to overcome the problems of existing breathing combination valves.The breathing group of the utility model
Valve is closed, high-pressure aerated interface and pressure gauge is increased, pressure-air steel cylinder can be inflated, and passes through switch shank cooperation
It switchs and extrudes gas control system in the progress of shank bolt, it is convenient and reliable, convenient for operation, and increase high-voltage safety valve body, middle pressure safety
Valve body, the work safety for the combination valve that can ensure respiration, structure novel is easy to use, has a good application prospect.
In order to achieve the above object, the technical scheme adopted by the utility model is
A kind of breathing combination valve, including breathing combinaing valve body, switch shank, decompression piston, relief spring, high-pressure safety valve
Body, exhaust alarm whistle, air intake lever, pressure gauge and high-pressure aerated interface,
The air intake lever extends from the lower end of breathing combinaing valve body, and is connected with pressure-air steel cylinder, to exhale
It inhales combinaing valve body and pressure-air is provided, be provided with high-pressure chamber, the high-pressure chamber and air intake lever in the breathing combinaing valve body
It is connected；
The high-pressure aerated interface, pressure gauge distribution are arranged in the valve body of high-pressure chamber two sides, and described high-pressure aerated
Interface, pressure gauge are connected with high-pressure chamber；
It is additionally provided with high-voltage safety valve body in the breathing combinaing valve body ipsilateral positioned at high-pressure aerated interface, it is same to be located at pressure gauge
Exhaust passage is additionally provided in the breathing combinaing valve body of side, the end of exhaust passage, the height is arranged in the exhaust alarm whistle
Pressure safety valve body is connected with high-pressure chamber；
Middle pressure chamber body, the high-pressure chamber, middle pressure chamber body are provided in breathing combinaing valve body above the high-pressure chamber
Between be provided with decompression piston, the decompression piston is mounted in breathing combinaing valve body by relief spring, for pressing in adjusting
Spacing between cavity and high-pressure chamber venthole；
It is provided with above medium pressure cavity in breathing combinaing valve body and switch shank is installed, it is described to switch the upper of shank
Portion is plugged with switch shank bolt, the switch shank bolt and the switch perpendicular setting of shank, and the switch shank bolt
Extend breathing combinaing valve body, the side of the switch shank is provided with middle pressure outlet passageway, the connection of medium pressure outlet passageway
There is middle pressure air outlet, medium pressure air outlet extends breathing combinaing valve body, and is vertically arranged with switch shank, unplugs out
Shank bolt is closed, switch shank moves up, middle pressure outlet passageway is connected with middle pressure chamber body, and arranges by middle pressure air outlet
Gas.
A kind of breathing combination valve above-mentioned further includes middle pressure safety valve body, medium pressure safety valve body and middle pressure chamber body phase
Connection, medium pressure safety valve body are mounted in breathing combinaing valve body.
Sealing rubber cover is arranged in the junction of a kind of breathing combination valve above-mentioned, the air intake lever and breathing combinaing valve body.
A kind of breathing combination valve above-mentioned, is provided with the first filter screen in the air intake lever, in medium pressure air outlet
It is provided with the second filter screen, is provided with third filter screen in the high-pressure aerated interface.
A kind of breathing combination valve above-mentioned, the cracking pressure threshold value of medium pressure safety valve body is between 13-20bar, institute
The cracking pressure threshold value of high-voltage safety valve body is stated between 260-300bar.
A kind of breathing combination valve above-mentioned, the alarm pressure threshold value of the exhaust alarm whistle is less than 10 bar.
The beneficial effects of the utility model are: the breathing combination valve of the utility model, increases high-pressure aerated interface and pressure
Power table can be inflated pressure-air steel cylinder, and matched in the progress of combination switch shank bolt by switch shank and extrude gas control
System, it is convenient and reliable, convenient for operation, and increase high-voltage safety valve body, middle pressure safety valve body, the work for the combination valve that can ensure respiration
Make security performance, structure novel is easy to use, has a good application prospect.
Detailed description of the invention
Fig. 1 is the front side cross-sectional view of the breathing combination valve of the utility model；
Fig. 2 is the rear side cross-sectional view of the breathing combination valve of the utility model.
Attached meaning marked in the figure is as follows:
1: breathing combinaing valve body；2: switch shank；3: middle pressure safety valve body；4: decompression piston；5: relief spring；6: high pressure
Safety valve body；7: exhaust alarm whistle；8: air intake lever；9: pressure gauge；10: high-pressure aerated interface；11: high-pressure chamber；12: exhaust is logical
Road；13: middle pressure chamber body；14: switch shank bolt；15: middle pressure outlet passageway；16: middle pressure air outlet；17: sealing rubber cover；
18: the first filter screens；19: the second filter screens；20: third filter screen.
Specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figures 1 and 2, the breathing combination valve of the utility model, including breathe combinaing valve body 1, switch shank 2, subtract
Piston 4, relief spring 5, high-voltage safety valve body 6, exhaust alarm whistle 7, air intake lever 8, pressure gauge 9 and high-pressure aerated interface 10 are pressed,
The air intake lever 8 extends from the lower end of breathing combinaing valve body 1, and is connected with pressure-air steel cylinder, is
It breathes combinaing valve body 1 and pressure-air is provided, be provided with high-pressure chamber 11, the high-pressure chamber 11 in the breathing combinaing valve body 1
It is connected with air intake lever 8；
The high-pressure aerated interface 10, the distribution of pressure gauge 9 are arranged in the valve body 1 of 11 two sides of high-pressure chamber, and the height
Pressure inflatable interface 10, pressure gauge 9 are connected with high-pressure chamber 11；
It is additionally provided with high-voltage safety valve body 6 in the breathing combinaing valve body 1 ipsilateral positioned at high-pressure aerated interface 10, is located at pressure
Exhaust passage 12 is additionally provided in the ipsilateral breathing combinaing valve body 1 of table 9, exhaust passage 12 is arranged in the exhaust alarm whistle 7
End, the high-voltage safety valve body 6 are connected with high-pressure chamber 11；
Be provided with middle pressure chamber body 13 in the breathing combinaing valve body 1 of 11 top of the high-pressure chamber, the high-pressure chamber 11, in
Decompression piston 4 is provided between pressure cavity 13, the decompression piston 4 is mounted in breathing combinaing valve body 1 by relief spring 5,
For adjusting the spacing between 11 venthole of middle pressure chamber body 13 and high-pressure chamber；
The top of medium pressure cavity 13, which is provided in breathing combinaing valve body 1, is equipped with switch shank 2, the switch shank
2 top is plugged with switch shank bolt 14, the switch shank bolt 14 with switch the perpendicular setting of shank 2, and described open
It closes shank bolt 14 and extends breathing combinaing valve body 1, the side of the switch shank 2 is provided with middle pressure outlet passageway 15, described
Middle pressure outlet passageway 15 is connected with middle pressure air outlet 16, and medium pressure air outlet 16, which is extended, breathes combinaing valve body 1, and with
Switch shank 2 is vertically arranged, and unplugs switch shank bolt 14, and switch shank 2 moves up, by middle pressure outlet passageway 15 and middle pressure chamber body
13 are connected, and are vented by middle pressure air outlet 16.
Preferably, further include middle pressure safety valve body 3, medium pressure safety valve body 3 is connected with middle pressure chamber body 13, it is described in
Pressure safety valve body 3 is mounted in breathing combinaing valve body 1.
Preferably, sealing rubber cover 17 is arranged in the junction of the air intake lever 8 and breathing combinaing valve body 1.
Preferably, it is provided with the first filter screen 18 in the air intake lever 8, is provided with second in medium pressure air outlet 16
Filter screen 19 is provided with third filter screen 20 in the high-pressure aerated interface 10, guarantees that air is entering in breathing combinaing valve body 1
Cleannes afterwards press the output quality of air in guarantee.
Preferably, the cracking pressure threshold value of medium pressure safety valve body 3 is between 13-20bar, the high-voltage safety valve body
The alarm pressure threshold value of 6 cracking pressure threshold value (burst pressure force value) r between 260-300bar, the exhaust alarm whistle 7 are small
In 10 bar, can be adjusted as needed.
The breathing combination valve of the utility model, working principle are as follows: when high pressure gas enters breathing combination by air intake lever 8
In the high-pressure chamber 11 of valve body 1, high pressure gas enters the middle pressure of setting decompression piston by the high pressure air intake hole of high-pressure chamber 11
In cavity 13, high-pressure gas pressure acts on the upper surface of decompression piston 4, moves down decompression piston 4, decompression piston 4 to
Relief spring 5 is compressed after lower movement, is reached until between the base gasket of decompression piston 4 and the high pressure air intake hole of high-pressure chamber 11
To certain gap, the elastic force of pressure and relief spring 5 reaches balance in the middle pressure chamber body 13 where decompression piston 4 at this time, pulls out
Shank bolt 14 is switched out, and under medium pressure gas effect, switch shank 2 is moved up, until fully opening.Middle extrusion gas is led to
Road 15 is connected with middle pressure chamber body 13, and is vented by middle pressure air outlet 16, realizes the output of medium pressure gas, medium pressure gas
Pressure controls between 8-12bar.
When pressing the medium pressure gas hypertonia of cavity 13 in the middle, it can trigger middle pressure safety valve body 4 and open exhaust, under pressure
After drop, it is automatically closed after the cracking pressure threshold value lower than it；After gas is finished, remaining gas passes through 12 row of exhaust passage
It removes, exhaust alarm whistle 7 can issue alarm, remind user of service in the state of exclusion；High pressure gas in pressure-air steel cylinder
It after being finished, can directly directly be inflated into pressure-air steel cylinder by high-pressure aerated interface 10, until pressure gauge 9 shows pressure
Value reaches 210bar, completes the high-pressure aerated of pressure-air steel cylinder, in pressure-air inflation, high pressure gas in pressure-air steel cylinder
Rupture disk explosion row when body is more than cracking pressure threshold value (the burst pressure force value) of high-voltage safety valve body 6, in high-voltage safety valve body 6
Gas, at this point, stopping inflating and re-replacing rupture disk.
In conclusion the breathing combination valve of the utility model, increases high-pressure aerated interface and pressure gauge, it can be to high pressure
Air steel cylinder is inflated, and is matched in the progress of combination switch shank bolt by switch shank and extruded gas control system, convenient and reliable, is convenient for
Operation, and increase high-voltage safety valve body, middle pressure safety valve body, the work safety for the combination valve that can ensure respiration, structure
Novelty, it is easy to use, it has a good application prospect.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of breathing combination valve, it is characterised in that: including breathing combinaing valve body (1), switch shank (2), decompression piston (4),
Relief spring (5), high-voltage safety valve body (6), exhaust alarm whistle (7), air intake lever (8), pressure gauge (9) and high-pressure aerated interface
(10),
The air intake lever (8) is extended from the lower end of breathing combinaing valve body (1), and is connected with pressure-air steel cylinder, is
It breathes combinaing valve body (1) and pressure-air is provided, be provided with high-pressure chamber (11), the high pressure in the breathing combinaing valve body (1)
Cavity (11) is connected with air intake lever (8)；
The high-pressure aerated interface (10), pressure gauge (9) distribution setting are in the valve body (1) of high-pressure chamber (11) two sides, and institute
State high-pressure aerated interface (10), pressure gauge (9) is connected with high-pressure chamber (11)；
High-voltage safety valve body (6) are additionally provided in the breathing combinaing valve body (1) ipsilateral positioned at high-pressure aerated interface (10), are located at pressure
It is additionally provided with exhaust passage (12) in the ipsilateral breathing combinaing valve body (1) of power table (9), exhaust alarm whistle (7) setting is being arranged
The end in gas channel (12), the high-voltage safety valve body (6) are connected with high-pressure chamber (11)；
Middle pressure chamber body (13), the high-pressure chamber are provided in breathing combinaing valve body (1) above the high-pressure chamber (11)
(11), it is provided with decompression piston (4) between middle pressure chamber body (13), the decompression piston (4) is mounted on by relief spring (5) and is exhaled
It inhales in combinaing valve body (1), for adjusting the spacing between middle pressure chamber body (13) and high-pressure chamber (11) venthole；
It is provided with above medium pressure cavity (13) in breathing combinaing valve body (1) and switch shank (2) is installed, the switch needle
The top of bar (2) is plugged with switch shank bolt (14), the switch shank bolt (14) with switch that shank (2) are perpendicular sets
It sets, and the switch shank bolt (14) extends breathing combinaing valve body (1), the side of switch shank (2) is provided with
It presses outlet passageway (15), medium pressure outlet passageway (15) is connected with middle pressure air outlet (16), medium pressure air outlet
(16) extend breathing combinaing valve body (1), and be vertically arranged with switch shank (2), unplug switch shank bolt (14), switch needle
Bar (2) moves up, and middle pressure outlet passageway (15) is connected with middle pressure chamber body (13), and is vented by middle pressure air outlet (16).
2. a kind of breathing combination valve according to claim 1, it is characterised in that: it further include middle pressure safety valve body (3), it is described
Middle pressure safety valve body (3) is connected with middle pressure chamber body (13), and medium pressure safety valve body (3) is mounted on breathing combinaing valve body (1)
It is interior.
3. a kind of breathing combination valve according to claim 1, it is characterised in that: the air intake lever (8) and breathing combination valve
Sealing rubber cover (17) are arranged in the junction of body (1).
4. a kind of breathing combination valve according to claim 3, it is characterised in that: be provided with first in the air intake lever (8)
Filter screen (18), medium pressure air outlet (16) is interior to be provided with the second filter screen (19), in the high-pressure aerated interface (10)
It is provided with third filter screen (20).
5. a kind of breathing combination valve according to claim 1, it is characterised in that: the unlatching of medium pressure safety valve body (3)
Pressure threshold is between 13-20bar, and the cracking pressure threshold value of the high-voltage safety valve body (6) is between 260-300bar.
6. a kind of breathing combination valve according to claim 1, it is characterised in that: the alarm pressure of exhaust alarm whistle (7)
Force threshold is less than 10 bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306347.9U CN208619785U (en) | 2018-08-14 | 2018-08-14 | A kind of breathing combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306347.9U CN208619785U (en) | 2018-08-14 | 2018-08-14 | A kind of breathing combination valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619785U true CN208619785U (en) | 2019-03-19 |
Family
ID=65715610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821306347.9U Active CN208619785U (en) | 2018-08-14 | 2018-08-14 | A kind of breathing combination valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758037A (en) * | 2018-08-14 | 2018-11-06 | 江苏华燕船舶装备有限公司 | A kind of breathing combination valve |
-
2018
- 2018-08-14 CN CN201821306347.9U patent/CN208619785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758037A (en) * | 2018-08-14 | 2018-11-06 | 江苏华燕船舶装备有限公司 | A kind of breathing combination valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103267152B (en) | Combined type bottle valve | |
| CN208619785U (en) | A kind of breathing combination valve | |
| CN206830900U (en) | Current stabilization gas cylinder pressure-reducing valve | |
| WO2023155356A1 (en) | High performance ultra high pressure pump | |
| CN209891312U (en) | Pipeline blocks up with mediation equipment | |
| CN201139881Y (en) | Pressure release valve for air respirator | |
| CN108758037A (en) | A kind of breathing combination valve | |
| CN206391334U (en) | A kind of safe oxygen head box for hyperbaric oxygen chamber | |
| CN205534448U (en) | Adjustable relief pressure valve of flow | |
| CN209701372U (en) | A kind of automatically unloading preventing from mistake in jetting inhalator jar | |
| CN212327142U (en) | Novel airtight face guard of ventilating of old patient | |
| CN202961556U (en) | Positive pressure oxygen breathing device | |
| CN208619786U (en) | A kind of breathing pressure reducing valve | |
| CN210198814U (en) | Collection device for detecting waste gas | |
| CN215567980U (en) | Oxygen supply safety interlocking device for medical oxygen cabin | |
| CN207152860U (en) | A kind of medical automatic controlled amounts breathing equipment | |
| CN208457276U (en) | High-low pressure two-stage pressure relief valve | |
| CN202590196U (en) | Starting device for chemical oxygen self-rescuer | |
| CN214466118U (en) | Valve controlled by air pressure | |
| CN217653668U (en) | Lighter gas-filling assembly with double-layer cylinder | |
| CN219389394U (en) | Quick-pulling gas cylinder valve for escape air respirator | |
| CN108758040A (en) | A kind of breathing pressure reducing valve | |
| CN110500502A (en) | Hand pull type air-filled valve | |
| CN217951311U (en) | Large-traffic compressed air relief pressure valve | |
| CN202056388U (en) | Lever-type cylinder valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |