CN200963415Y - Oxygen bag capable of automatic controlling flow - Google Patents
Oxygen bag capable of automatic controlling flow Download PDFInfo
- Publication number
- CN200963415Y CN200963415Y CN 200620106731 CN200620106731U CN200963415Y CN 200963415 Y CN200963415 Y CN 200963415Y CN 200620106731 CN200620106731 CN 200620106731 CN 200620106731 U CN200620106731 U CN 200620106731U CN 200963415 Y CN200963415 Y CN 200963415Y
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- China
- Prior art keywords
- bag
- oxygen
- inner bag
- piston
- cylinder assembly
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- Expired - Fee Related
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Abstract
An automatic flow control oxygen bag comprises a double-layered bag body and an automatic flow control device, which is characterized in that the double-layered bag body consists of an inner bag and an outer bag, and the automatic flow control device consists of a box cover, a box body, a cylinder assembly, a piston, an inner bag locking device, a spring and a locking screw. The cylinder assembly consists of a chassis, a gas slot, a gas chamber, an oxygen valve and a gas tube joint; the locking screw consisting of a bolt and two nuts integrates and locks the box cover, the box body and the cylinder assembly; the piston is connected with the inner bag locking device by the screw and locks. The utility model has the advantages of convenient use, no artificial pressure, automatic keeping of constant oxygen flow, strong high-pressure resistance, convenient storage and carrying and space saving, thereby, the utility model can satisfy the requirements of first aid and medical work.
Description
Technical field
This utility model relates to the oxygen supply device of medical apparatus and instruments, especially refers to a kind of oxygen bag with high pressure resistant, automatic constant oxygen supply, function such as easy to use.
Background technology
Oxygen bag be escort that the critical patient goes to hospital or the process of transferring from one hospital to another in requisite oxygen supply device.It should have characteristics such as easy to carry, safe in utilization.But the present following shortcoming of using of oxygen bag ubiquity:
1. the oxygen bag capacity is few.Because bag adopts the non-poromeric material of monolayer, retractility is poor, so oxygen capacity is very limited, and anti-high pressure is not strong.
2. oxygen supply automatically needs with weight or artificial pressurization.In carrying first aid process, the easy landing of weight causes oxygen supply to interrupt, or because of artificial pressurization increases manpower, brings very big inconvenience to medical and nursing work.
3. because of the pressure transient of oxygen bag, oxygen flow is wayward during oxygen supply, is difficult to accomplish the scientific quantitative analysis supply.Oxygen flow changes and acute variation with pressure in the oxygen bag, and it is unfavorable that patient is caused.
Summary of the invention
For overcoming above shortcoming, this utility model provides a kind of high pressure resistant, double-deck oxygen bag that retractility is strong, and provide one to overlap the oxygen flow automaton, it can make in the oxygen bag air pressure constant, keep oxygen flow stable automatically, and under oxygen bag depletion of QI idle state, have functions such as compression storage bag.
The technical solution of the utility model is as follows: flow is controlled oxygen bag automatically, comprises double-deck bag and flow automatic control device, it is characterized in that double-deck bag is made of inner bag (elastic bag that retractility is strong) and outer bag (the soft overcoat of high strength inductility); Flow automatic control device is made of lid, box body, cylinder assembly, piston, inner bag locker, spring, lock screw; Cylinder assembly is made of chassis, air cleft, air cavity, oxygen valve, air pipe interface; Lock screw is made of bolt and two nuts, and lid, box body and cylinder assembly are connected as one and lock; Piston links to each other with screw with the inner bag locker and locks, and both tops are touched face and are provided with rubber gasket; Piston is with cylinder assembly that bright finish is airtight to be connected.Spring housing is outside piston, and its two ends are cylinder assembly and inner bag locker; The inner bag bag mouth grips in the contact surface of piston and inner bag locker, and rubber gasket works the effect of fastening.Outer bag tightly is enclosed within the inner bag outside, and bag mouth is anchored in the rough contact surface between lid and the box body, keeps the depletion of QI air-tight state between inner bag and outer bag.
The concrete operating procedure of this utility model is as follows:
One. inflate standby.External Oxygen tube and air pipe interface are joined, open oxygen valve, begin inflation, along with amount of oxygen in the bag increases, inner bag expands and drives outer bag expansion, and when treating that outer bag is expanded to the limit, the bag internal pressure rises to maximum, closes oxygen valve, and inflation is finished.At this moment, because the bag internal pressure makes spring be in the compression limit state, air cleft contracts to minimum.
Two. use.External Oxygen tube and air pipe interface are joined, open oxygen valve, bag internal oxygen gas can discharge under the effect of inner bag elastic pressure automatically, along with amount of oxygen in the bag reduces, the bag internal pressure descends thereupon, and the spring pressure also reduces thereupon, under the effect of spring restoring force, piston rises, and causes air cleft to increase gradually, thereby the amount of oxygen that has kept discharging from air cleft in the unit interval is stablized.In this process, outer bag is close to inner bag surfaces automatically and dwindles with inner bag under the atmospheric pressure effect.
Principle of the present utility model is: establishing oxygen flow is V, and air pressure is P in the bag, and air cleft length is that L, width are S, and available V=P*L*S represents this principle.Even will keep oxygen flow V constant, constant in the air cleft width S, when air pressure P in the bag increased, the spring pressurized caused the air cleft length L to be dwindled; And when air pressure P in the bag reduced, under the effect of spring restoring force, the rising of piston caused the air cleft length L to increase, and had guaranteed that therefore oxygen flow V's is stable.
The designed flow of this utility model is controlled oxygen bag automatically, adopts the double-ply bag body structure, is equipped with flow automatic control device, has easy to use; Need not manually pressurize, keep oxygen flow constant automatically; Barotolerance is strong; Storage, easy to carry; Save advantages such as space, can effectively satisfy the needs of first aid and medical and nursing work.
Description of drawings
Profile when Fig. 1 is this utility model dormant state;
Fig. 2 is an axonometric chart of the present utility model.
Among the figure: the 32-air cleft 33-air cavity 34-oxygen valve 35-air pipe interface of the outer bag of 1-lid 2-box body 3-cylinder assembly 4-piston 5-inner bag locker 6-lock screw 7-spring 8-9-inner bag 31-chassis
The specific embodiment
Present embodiment is made of double-deck bag and flow automatic control device.
The inner bag 9 of double-deck bag is made of the very strong rubber material of retractility, and bag mouth is fastened in the contact surface of piston 4 and inner bag locker 5; Outer bag 8 is selected the fire-proof and water-proof flexible material of inductility, barotolerance strong (maximum can reach 50kpa), breathability difference for use, during use, it tightly is enclosed within inner bag outside, makes between inside and outside bag to keep the depletion of QI air-tight state, bag mouth is anchored in the rough contact surface between lid 1 and the box body 2.
Flow automatic control device is made of lid 1, box body 2, cylinder assembly 3, piston 4, inner bag locker 5, lock screw 6, spring 7.
Piston 4 links to each other with screw with inner bag locker 5 and locks, and both tops are touched face and are provided with rubber gasket.
Spring 7 is enclosed within outside the piston 4, and it is respectively inner bag locker 5 and chassis 31 in two ends up and down.
Air pipe interface 35 links to each other with air cavity 33, and is provided with oxygen valve 34.
Empty bag inflation: external source oxygen hose and air pipe interface 35 are joined, open oxygen valve 34 and begin inflation, oxygen can enter by air cavity 33, air cleft 32 always, inner bag 9 expands and drives outer bag 8 expansions, when treating that outer bag 8 is expanded to the limit, inner bag 9 pressure rise to maximum, close oxygen valve 34, and inflation is finished.At this moment, because the bag internal pressure reaches maximum, make spring 7 be in the compression limit state, air cleft 32 contracts to minimum.
Give oxygen therapy: oxygen bag joins Oxygen tube and air pipe interface 35 in use, opens oxygen valve 34, and oxygen flows out with constant basis under the effect of inner bag elastic force, can carry out to oxygen therapy and nursing routinely.
Storage: double-deck bag can be stored in the flow automatic control device under no gaseity, so not only is easy to carry, but also can saves the space.
Claims (3)
1. flow is controlled oxygen bag automatically, comprise double-deck bag and flow automatic control device, wherein double-deck bag is made of the inner bag (9) and the outer bag (8) of different materials, flow automatic control device is by lid (1), box body (2), cylinder assembly (3), piston (4), inner bag locker (5), lock screw (6), spring (7) constitutes, cylinder assembly (3) is by chassis (31), air cleft (32), air cavity (33), oxygen valve (34) and air pipe interface (35) constitute, it is characterized in that: lid (1), box body (2) and cylinder assembly (3) connect as one and lock by lock screw (6), piston (4) links to each other with screw with inner bag locker (5) and locks, piston (4) is with cylinder assembly (3) that bright finish is airtight to be connected, spring (7) is enclosed within outside the piston (4), its two ends are cylinder assembly (3) and inner bag locker (5), the bag mouth of inner bag (9) grips in the contact surface of piston (4) and inner bag locker (5), outer bag (8) tightly is enclosed within inner bag (9) outside, and bag mouth is anchored in the rough contact surface between lid (1) and the box body (2).
2. flow according to claim 1 is controlled oxygen bag automatically, it is characterized in that, described piston (4) touches face with the top of inner bag locker (5) and is provided with rubber gasket.
3. flow according to claim 1 is controlled oxygen bag automatically, it is characterized in that, described air pipe interface (35) links to each other with air cavity (33), and is provided with oxygen valve (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106731 CN200963415Y (en) | 2006-08-10 | 2006-08-10 | Oxygen bag capable of automatic controlling flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106731 CN200963415Y (en) | 2006-08-10 | 2006-08-10 | Oxygen bag capable of automatic controlling flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200963415Y true CN200963415Y (en) | 2007-10-24 |
Family
ID=38867428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620106731 Expired - Fee Related CN200963415Y (en) | 2006-08-10 | 2006-08-10 | Oxygen bag capable of automatic controlling flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200963415Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833402A (en) * | 2016-03-17 | 2016-08-10 | 北京大学深圳医院 | First-aid oxygen bag constant-pressure auxiliary device |
-
2006
- 2006-08-10 CN CN 200620106731 patent/CN200963415Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833402A (en) * | 2016-03-17 | 2016-08-10 | 北京大学深圳医院 | First-aid oxygen bag constant-pressure auxiliary device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |