CN206183769U - Medical second grade decompression cabinet - Google Patents
Medical second grade decompression cabinet Download PDFInfo
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- CN206183769U CN206183769U CN201620814687.7U CN201620814687U CN206183769U CN 206183769 U CN206183769 U CN 206183769U CN 201620814687 U CN201620814687 U CN 201620814687U CN 206183769 U CN206183769 U CN 206183769U
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Abstract
The utility model discloses a medical second grade decompression cabinet, including the box, be equipped with the admission line in the box, the pipeline of giving vent to anger, a pressure reduction pipeline and the 2nd pressure reduction pipeline, a pressure reduction pipeline and the 2nd pressure reduction pipeline's input all feeds through with the admission line, and a pressure reduction pipeline and the 2nd pressure reduction pipeline's output all feeds through with the pipeline of giving vent to anger, is provided with first choke valve on the pressure reduction pipeline, is provided with the second choke valve on the 2nd pressure reduction pipeline, still be provided with first relief pressure valve on the pressure reduction pipeline, first relief pressure valve lies in between a pressure reduction pipeline's the input and first choke valve, still is provided with the second relief pressure valve on the 2nd pressure reduction pipeline, and the second relief pressure valve lies in between the 2nd pressure reduction pipeline's the input and second choke valve, first relief pressure valve is the same with the structure of second relief pressure valve. The utility model has the advantages of simple and reasonable structure, convenient to use, pressure -relief is better, and the working property is reliable and stable.
Description
Technical field
The utility model is related to technical field of medical equipment, more particularly to a kind of medical second depressurized case.
Background technology
Oxygen decompressor is essential equipment in modern medical service, and the purpose of decompression is exactly that pipeline pressure control exists
Within certain pressure limit, will such as be controlled in 0.3~0.5Mpa or so for the oxygen pressure in ward, hyperbaric oxygen chamber will be used for
Stress control in 0.6~0.8Mpa or so, and the pressure exported from bus-bar or liquid oxygen tank is general left in 0.8~1.0Mpa
It is right.Authorization Notice No. is a kind of " oxygen second level decompression cabinet " for CN202605473U is disclosed, and its structure is by by admission line
Being branched off into two gas relief lines, and choke valve is respectively provided with each gas relief line carries out flow control, so as to play separator tube
The effect of road pressure, but the defect of this oxygen second level decompression cabinet is：Due to carrying out throttling control only with choke valve, when
When the input pressure fluctuation of admission line is larger, the throttling precision of choke valve in gas relief line is easily influenceed, cause effect of easing stress
It is not good, the stability of decompression cabinet integral working is have impact on to a certain extent.
Utility model content
The purpose of this utility model is the defect and deficiency for prior art, there is provided it is a kind of it is simple and reasonable, make
With convenient, effect of easing stress preferably, the medical second depressurized case of stable and reliable working performance.
To achieve the above object, the utility model uses following technical scheme：
A kind of medical second depressurized case described in the utility model, including casing, are provided with admission line, go out in the casing
The input of feed channel, the first gas relief line and the second gas relief line, first gas relief line and second gas relief line
Connected with the admission line, the output end of first gas relief line and second gas relief line with the escaping pipe
Road is connected, and first throttle valve is provided with first gas relief line, and second throttle is provided with second gas relief line；
The first pressure-reducing valve is additionally provided with first gas relief line, first pressure-reducing valve is located at first relief pipe
Between the input in road and the first throttle valve, the second pressure-reducing valve, described second are additionally provided with second gas relief line
Pressure-reducing valve is located between the input of second gas relief line and the second throttle；First pressure-reducing valve and described
The construction of two pressure-reducing valves is identical；
First pressure-reducing valve includes valve body, the bottom and top cover that are connected with the valve body respectively, and the valve body sets
Have air inlet, gas outlet and valve port, the air inlet is connected by the valve port with the gas outlet, in the valve body and with
The valve port corresponding section is provided with valve element, supports being provided with the first spring between the valve element and the bottom, the valve body with it is described
Diaphragm is provided between top cover, diaphragm seat is fixed with the diaphragm, resilient rubbber cushion, the bullet are arranged with the diaphragm seat
Property be sequentially provided with gland and pallet between rubber blanket and the diaphragm, the diaphragm seat is connected by valve rod with the valve element, institute
State and valve pocket is formed between diaphragm and the valve body, through hole is provided between the valve pocket and the gas outlet, be provided with the top cover
Spring base, supports between the diaphragm and the spring base and is provided with second spring, is arranged with handwheel outside the top cover, the handwheel with
The spring base is connected.
Further, the admission line is provided with the first oxygen gauge, and the outlet pipe is provided with the second oxygen
Pressure gauge.
Further, the first stop valve and the second stop valve, first cut-off are additionally provided with first gas relief line
Valve is located between the input of first gas relief line and first pressure-reducing valve, and second stop valve is located at described first
Between the output end of choke valve and first gas relief line；The 3rd stop valve and the 4th are additionally provided with second gas relief line
Stop valve, the 3rd stop valve is located between the input of second gas relief line and second pressure-reducing valve, and described the
Four stop valves are located between the second throttle and the output end of second gas relief line；It is first stop valve, described
The construction all same of the second stop valve, the 3rd stop valve and the 4th stop valve.
Further, the first throttle valve is identical with the construction of the second throttle.
The beneficial effects of the utility model are：The medical second depressurized case that the utility model is provided, by the first decompression
First pressure-reducing valve is set on pipeline, the first pressure-reducing valve is located between the input of the first gas relief line and first throttle valve,
Second pressure-reducing valve is set on the second gas relief line, the second pressure-reducing valve is located at the input and second throttle of the second gas relief line
Between, when utility model works, the oxygen for entering the first gas relief line (or second gas relief line) by admission line is first passed through
The first pressure-reducing valve (or second pressure-reducing valve) is crossed, makes Oxygen control in the first gas relief line (or second gas relief line) to stablizing shape
State, then carries out throttling control through first throttle valve (or second throttle) again, defeated because of admission line so as to effectively eliminate
The adverse effect for entering pressure oscillation and causing, improves throttling precision so that effect of easing stress of the present utility model is more preferable, workability
Can be more reliable and stable.The utility model structure setting advantages of simple, it is easy to use.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of the pressure-reducing valve of the utility model first.
In Fig. 1 and Fig. 2：
1st, casing；2nd, admission line；21st, the first oxygen gauge；3rd, outlet pipe；31st, the second oxygen gauge；4th,
One gas relief line；5th, the second gas relief line；6th, first throttle valve；7th, second throttle；8th, the first pressure-reducing valve；81st, valve body；811、
Air inlet；812nd, gas outlet；813rd, valve port；82nd, bottom；83rd, top cover；84th, valve element；85th, the first spring；86th, diaphragm；87th, film
Bar；88th, resilient rubbber cushion；89th, gland；90th, pallet；91st, valve rod；92nd, valve pocket；93rd, through hole；94th, spring base；95th, second
Spring；96th, handwheel；9th, the second pressure-reducing valve；10th, the first stop valve；11st, the second stop valve；12nd, the 3rd stop valve；13rd, the 4th section
Only valve.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
It is provided with admission line 2, goes out in a kind of medical second depressurized case as depicted in figs. 1 and 2, including casing 1, casing 1
Feed channel 3, the first gas relief line 4 and the second gas relief line 5, for the ease of medical personnel observe and understand it is of the present utility model enter
Atmospheric pressure and outlet pressure, admission line 2 are provided with the first oxygen gauge 21, and outlet pipe 3 is provided with the second oxygen pressure
The input of table 31, the first gas relief line 4 and the second gas relief line 5 is connected with admission line 2, the first gas relief line 4 and
The output end of two gas relief lines 5 is connected with outlet pipe 3, and first throttle valve 6 is provided with the first gas relief line 4, and second subtracts
Second throttle 7 is provided with pressure pipeline 5, first throttle valve 6 is identical with the construction of second throttle 7.
The first pressure-reducing valve 8 is additionally provided with first gas relief line 4, the first pressure-reducing valve 8 is located at the input of the first gas relief line 4
Between end and first throttle valve 6, the second pressure-reducing valve 9 is additionally provided with the second gas relief line 5, the second pressure-reducing valve 9 subtracts positioned at second
Between the input and second throttle 7 of pressure pipeline 5.
When utility model works, the oxygen of the first gas relief line 4 (or second gas relief line 5) is entered by admission line 2
Gas first passes through the first pressure-reducing valve 8 (or second pressure-reducing valve 9), makes the oxygen control in the first gas relief line 4 (or second gas relief line 5)
Make stable state, then carry out throttling control through first throttle valve 6 (or second throttle 7) again, so as to effectively eliminate because
The adverse effect that the input pressure of admission line 2 fluctuates and causes, improves throttling precision so that decompression effect of the present utility model
More preferably, service behaviour is more reliable and stable for fruit.
Specifically, the first pressure-reducing valve 8 is identical with the construction of the second pressure-reducing valve 9, and the present embodiment is with the knot of the first pressure-reducing valve 8
Illustrated as a example by structure, the first pressure-reducing valve 8 includes valve body 81, the bottom 82 and top cover 83 that are connected with valve body 81 respectively, valve
Body 81 is provided with air inlet 811, gas outlet 812 and valve port 813, and air inlet 811 is connected by valve port 813 with gas outlet 812, valve
In body 81 and valve element 84 is provided with the corresponding section of valve port 813, supports being provided with the first spring 85, valve body 81 between valve element 84 and bottom 82
Diaphragm 86 is provided between top cover 83, diaphragm seat 87 is fixed with diaphragm 86, resilient rubbber cushion 88 is arranged with diaphragm seat 87,
Gland 89 and pallet 90 are sequentially provided between resilient rubbber cushion 88 and diaphragm 86, diaphragm seat 87 is connected by valve rod 91 with valve element 84
Connect, valve pocket 92 is formed between diaphragm 86 and valve body 81, be provided between valve pocket 92 and gas outlet 812 in through hole 93, top cover 83 and be provided with
Spring base 94, is supported between diaphragm 86 and spring base 94 and is provided with second spring 95, and handwheel 96, handwheel 96 and bullet are arranged with outside top cover 83
Spring abutment 94 is connected.
When in use, first pass through rotation hand wheel 96 moves down spring base 94 to first pressure-reducing valve 8, forces second spring 95
Diaphragm 86 and diaphragm 87 1 downward active forces of seat are compressed and give, diaphragm seat 87 promotes valve element 84 downward by valve rod 91
Mobile, valve port 813 is opened, and is connected between air inlet 811 and gas outlet 812, and the gas in the first gas relief line 4 is successively through air inlet
When mouth 811 and valve port 813 flow to gas outlet 812, some gas via through holes 93 enters in valve pocket 92, when in gas outlet 812
When pressure is higher, will be pressed on diaphragm 86 in gas in valve pocket 92 so that valve element 84 in the presence of the first spring 85 on move, this
When gas outlet 812 in pressure reduce；When pressure is relatively low in gas outlet 812, valve element 84 is under the pressure effect of second spring 95
Moved down with diaphragm 86 again, so as to adjust the gas pressure of gas outlet 812.It is made up of resilient rubbber cushion 88, gland 89 and pallet 90
Dampening assembly, when diaphragm 86 is produced vibration by gas pressure intensity, pressure reaches elasticity by diaphragm 86 through pallet 90 and gland 89
This pressure is absorbed and eliminated by rubber blanket 88, resilient rubbber cushion 88, improves pressure controlled effect.
The first stop valve 10 and the second stop valve 11 are additionally provided with first gas relief line 4, the first stop valve 10 is located at first
Between the input of gas relief line 4 and the first pressure-reducing valve 8, the second stop valve 11 is located at the gas relief line 4 of first throttle valve 6 and first
Output end between；The 3rd stop valve 12 and the 4th stop valve 13 are additionally provided with second gas relief line 5, the 3rd stop valve 12 is located at
Between the input of the second gas relief line 5 and the second pressure-reducing valve 9, the 4th stop valve 13 depressurizes positioned at second throttle 7 and second
Between the output end of pipeline 5；The construction of the first stop valve 10, the second stop valve 11, the 3rd stop valve 12 and the 4th stop valve 13
All same.By setting the first stop valve 10, the second stop valve 11, the 3rd stop valve 12 and the 4th stop valve 13, can be effective
The opening and closing function to corresponding gas relief line is realized, reliability of the present utility model is further ensured.
The above is only better embodiment of the present utility model, therefore all according to described in the utility model patent claim
Construction, the equivalent change or modification done of feature and principle, be included in the utility model patent claim.
Claims (4)
1. a kind of medical second depressurized case, including casing, is provided with admission line, outlet pipe, the first relief pipe in the casing
The input of road and the second gas relief line, first gas relief line and second gas relief line connects with the admission line
Logical, the output end of first gas relief line and second gas relief line is connected with the outlet pipe, and described first subtracts
First throttle valve is provided with pressure pipeline, second throttle is provided with second gas relief line, it is characterised in that：
The first pressure-reducing valve is additionally provided with first gas relief line, first pressure-reducing valve is located at first gas relief line
Between input and the first throttle valve, the second pressure-reducing valve, second decompression are additionally provided with second gas relief line
Valve is located between the input of second gas relief line and the second throttle；First pressure-reducing valve subtracts with described second
The construction of pressure valve is identical；
First pressure-reducing valve include valve body, respectively with the valve body be connected bottom and top cover, the valve body be provided with into
Gas port, gas outlet and valve port, the air inlet are connected by the valve port with the gas outlet, in the valve body and with it is described
Valve port corresponding section is provided with valve element, supports being provided with the first spring, the valve body and the top cover between the valve element and the bottom
Between be provided with diaphragm, diaphragm seat is fixed with the diaphragm, be arranged with resilient rubbber cushion, the elastic rubber on diaphragm seat
Gland and pallet are sequentially provided between rubber cushion and the diaphragm, the diaphragm seat is connected by valve rod with the valve element, the film
Valve pocket is formed between piece and the valve body, through hole is provided between the valve pocket and the gas outlet, spring is provided with the top cover
Seat, supports between the diaphragm and the spring base and is provided with second spring, is arranged with handwheel outside the top cover, the handwheel with it is described
Spring base is connected.
2. medical second depressurized case according to claim 1, it is characterised in that：The admission line is provided with the first oxygen
Pressure gauge, the outlet pipe is provided with the second oxygen gauge.
3. medical second depressurized case according to claim 1, it is characterised in that：Is additionally provided with first gas relief line
One stop valve and the second stop valve, first stop valve are located at input and described first decompression of first gas relief line
Between valve, second stop valve is located between the first throttle valve and the output end of first gas relief line；Described
The 3rd stop valve and the 4th stop valve are additionally provided with two gas relief lines, the 3rd stop valve is located at second gas relief line
Between input and second pressure-reducing valve, the 4th stop valve is located at the second throttle and second gas relief line
Output end between；The structure of first stop valve, second stop valve, the 3rd stop valve and the 4th stop valve
Make all same.
4. medical second depressurized case according to claim 1, it is characterised in that：The first throttle valve and the second section
The construction for flowing valve is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620814687.7U CN206183769U (en) | 2016-07-28 | 2016-07-28 | Medical second grade decompression cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620814687.7U CN206183769U (en) | 2016-07-28 | 2016-07-28 | Medical second grade decompression cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206183769U true CN206183769U (en) | 2017-05-24 |
Family
ID=58736658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620814687.7U Active CN206183769U (en) | 2016-07-28 | 2016-07-28 | Medical second grade decompression cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206183769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481812A (en) * | 2018-10-30 | 2019-03-19 | 江苏卫蓝医疗科技有限公司 | A kind of second depressurized device of oxygen |
| CN110566813A (en) * | 2019-08-06 | 2019-12-13 | 浙江强盛医用工程有限公司 | medical gas large-flow pressure reducing device |
-
2016
- 2016-07-28 CN CN201620814687.7U patent/CN206183769U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109481812A (en) * | 2018-10-30 | 2019-03-19 | 江苏卫蓝医疗科技有限公司 | A kind of second depressurized device of oxygen |
| CN110566813A (en) * | 2019-08-06 | 2019-12-13 | 浙江强盛医用工程有限公司 | medical gas large-flow pressure reducing device |
| CN110566813B (en) * | 2019-08-06 | 2021-05-18 | 浙江强盛医用工程有限公司 | Medical gas large-flow pressure reducing device |
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