CN1103610C - Resuscitation and inhalation device - Google Patents
Resuscitation and inhalation device Download PDFInfo
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- CN1103610C CN1103610C CN91108548A CN91108548A CN1103610C CN 1103610 C CN1103610 C CN 1103610C CN 91108548 A CN91108548 A CN 91108548A CN 91108548 A CN91108548 A CN 91108548A CN 1103610 C CN1103610 C CN 1103610C
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- valve
- control valve
- gas
- flow control
- cavity
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Abstract
The present invention relates to a device with dual functions of resuscitation and oxygen inhalation. The gas flow quantity in the device of the present invention is controlled by a valve 21 which is controlled by an adjustable and movable magnetic valve piece 30; under the action of a magnetic field, the valve piece 30 can move by pressure exerted by the magnetic field. Through two gas inlet valves 12 which can be alternatively used, gas enters the valve 21; one of the two gas inlet valves 12 is used for resuscitation, and only oxygen or gas flows through face shields; the other one of the two gas inlet valves 12 is used for sucking mixed gas; the valve piece 30 is sensitive to the air pressure in a cavity 27. When reaching the preset maximum pressure, the valve piece 30 moves to close the control valve 21.
Description
Invention field
The present invention relates to a kind of flow control valve door gear that is used in control fluid supply on the equipment such as inhalation device.
The present invention proposes a kind of can be by the manual resuscitation and inhalation device of non-medical personnel.This device has can guarantee that gas pressure can not surpass the protection facility of safety margins.
Background technology
The existing different valve of many kinds in the prior art, the shortcoming of their maximums are that member is too complicated or because their architectural characteristics own make the application of valve be restricted.
For example United States Patent (USP) U.S.No.4006742 provides a kind of resuscitation and inhalation device that has flow control valve equally, but this device need be provided with button 28 and spring-loaded flow control valve 22 is carried out hand control, therefore structure is very complicated, is difficult to simply, by-pass valve control reliably.
Summary of the invention
Therefore, need a kind of fairly simple, reliable and economic device, the object of the present invention is to provide a kind of like this device, this device of magnet valve that comprises is wanted and can be used under various mode, and the pressure in the system is variable.
From an aspect, the present invention is to provide a kind of flow control valve assembly, it comprises a cavity; A gas flow control valve that is used for controlling the air-flow of coming cavity; The facility that the inlet of high-voltage power supply and said flow control valve is coupled together; The gas that is used to be communicated with a variable pressure flows to the facility of said cavity; Selectively a low-pressure gas is connected to the facility of said cavity; It is characterized in that this device comprises that also one can move back and forth and is contained in the said cavity and is the valve part of the gas pressure in the said cavity, this valve part can act on flow control valve and make it to open; This device also comprises first magnetic part that is arranged on this valve part and is arranged on the another side of said first magnetic part and second magnetic part of spaced apart certain distance; One of said first and second magnetic parts are magnetized, and are used for retraining moving of the said valve part that caused by said air pressure in cavity; When said variable air pressure reached predetermined maximum value, said valve part can overcome magnetically confined power (suction in magnetic field) and move, and makes said flow control valve can close and make said low pressure gas physical ability to be connected to the connecting portion of said cavity; When said variable pressure reached the predetermined lower limit value, said valve part moved along with the suction in said magnetic field, made said flow-control opening of valves.
From another point of view, the present invention is to provide a kind of recovery and inhalation device, it comprises a gas flow control valve that is used for controlling the air-flow of coming cavity; First and second kinds of intake valves of replaceable use, be used for making first kind of gas can under pressure, arrive said gas flow control valve, have only when operating first kind of intake valve when just allowing by on executing location the time gas to flow into hands, and when operating second kind of intake valve, can make gas flow to said gas flow control valve continuously; Make second kind of gas can enter the gas passage facility of mixing bunker; And with said first kind of valve base piece that intake valve is used in combination, it can turn-off said gas passage facility when the operation of first kind of intake valve; Because the operation of said first kind of intake valve, said first kind of gas can flow in the connecting portion of a connection face shield; Because the operation of said second kind of intake valve, said first kind of gas is before the connecting portion that flows into said face shield, mix with said second kind of gas in said mixing bunker, it is characterized in that, this device also comprises first magnetic part relevant with gas flow control valve; This device also is provided with one and is contained in and tends in the said cavity make said gas flow control valve move to the valve part of enable possition, can move and comprise one second magnetic part under the effect of this valve part gas pressure in cavity; In said first and second magnetic parts one is magnetized, the action of a magnetic field that magnetic part produced that is magnetized on another magnetic part so that constrain in the movably motion of valve part under the gas pressure in the cavity.
From another point of view, but recovery of the present invention and inhalation device from broadly resuscitation and inhalation generally oxygen uptake again.
In embodiment preferably of the present invention, the distance between two magnetic parts can change.An annular bracket spare is housed in the housing of this device, and movably valve part is located in this bracket spare and is seated on the valve seat of bracket spare, and bracket spare can move on housing, so as to changing the distance between the magnetic part.
Another preferably way be to be provided with an inlet that gas can be sent to first and second kinds of intake valves, be provided with the control valve that can control the air-flow there of flowing through in the porch, control valve is provided with to making predetermined minimum gas flow by first flow channel of unlatching all the time with for making gas flow be not more than second flow channel that gas communication that predetermined maximum increases can be opened.
Of the present invention one big characteristics are that valve is convenient to open to let pass, and comparable spring type valve need keep-up pressure and could open clearance.In addition, compare with prior art systems, the position between each valve of the present invention is separate.
Control valve of the present invention application in other respects comprises and is used for clutch transmission or hot executive system, will be understandable.
The accompanying drawing summary
Accompanying drawing is used for illustrating embodiment preferably of the present invention, wherein:
Fig. 1 is vertical cross section figure of apparatus of the present invention;
Figure 1A is a part of side view of looking from the arrow A direction in Fig. 1;
Fig. 2 is along the profile of II-II line in Fig. 1;
Fig. 3 is along the profile of III-III line in Fig. 1;
Fig. 4 is the profile of the decomposition of oxygen flow control valve shown in Figure 1, magnetic part and inserts;
Fig. 5 is the profile on this device top, and constructional there improvement situation is described;
Fig. 5 A is the profile after flow control valve amplifies among Fig. 5;
Fig. 6 represents how flow control valve to be applied to the connecting portion of oxygen main pipe and this device.
Most preferred embodiment
Fig. 1 can be contained on the face shield (not shown) to device shown in Figure 3, is connected with facepiece interior by adapter 10, and gas can be sent into from connecting portion 11.First advances oxygen valve 12 (ball valve) and is driven by button 13; Second is advanced oxygen valve 14 (the most handy needle-valve) oxygen can be provided continuously.
Adorning an oxygen flow control valve 21 in main casing 20, this valve has bar portion 22 and head 23.Bar portion has the plane that extends longitudinally and can allow gas to flow through bar portion 22.Have a politef spare 24 clampings a magnet ring 25, valve rod 22 just moves in the inserts 26 of magnet ring.Head 23 is that valve 21 is seated in the part on the valve seat.Around the parts 24 is a cavity 27.Centrage and valve 21 connect the valve 30 that also has of being aligned, a magnetic metal spare 29 with bolt 28 bolts on it.Valve 30 moves in an adjustable valve seat 31, and the way that this valve seat 31 can be used on housing 20 internal rotation moves the distance that is used for preestablishing between magnetic part 29 and 25 vertically.There is a light spring 32 that the base 33 of valve part 30 declines and parts 31 is kept in touch.Another kind of way is to make in the hole of inserts 26 along the hole to the groove that stretches, and cylindrical shape is made by bar portion 22.
Fig. 4 represents an O type ring 39, and this ring is contained on the housing 20 inserts 26 and magnet ring 25 hermetically.
When being used for the i.e. recovery of second wind, button 13 can be pushed, bar 43 just makes it lift off a seat 40 valve 12 jack-up.Oxygen is through connecting portion 11, and valve 12 enters cavity 44, and by passage 45, groove 46 and passage 47 enter cavity 48.Along with the unlatching of valve 21, Oxygen Flow is crossed bar portion 22 to cavity 27, enters adapter 10 through passage 50, cavity 51, filter 52.
Oxygen in cavity 27 acts on valve 30, when the pressure in the cavity 27 reaches the maximum pressure of permission, moves on the valve 30 valve 21 can be closed.Valve 21 is closed under the effect of the Oxygen Flow of coming from passage 47.So just be through with the oxygen uptake stage.Patient breathes out waste gas then, and through cavity 51, passage 50, comes out from steam vent 53 at cavity 27, valve 30, recess 74 and 19, and gas is turned to by fairing cap 54.When finishing when exhaling, spring 32 sets back valve part 30, and valve 21 is opened, and then begins next circulation.The pressure that makes valve part 30 begin to move depends on the distance between magnet ring 25 and the magnetic metal spare 29, and this distance can obtain by adjusting valve base piece 31.
When being used for general oxygen uptake, valve 14 can provide the oxygen of controlled continuous-flow.Oxygen passes through groove 60,61 from connector 11, passage 62, and valve seat 40 enters groove 46, passes through passage 47 again, arrives cavity 48.Continue the valve 21 of flowing through again, enter cavity 27,, arrive cavity 51 through passage 50.In recovery mode, when button 13 was pushed into, annular seating 65 had blocked the path that leads to passage 66 and 67.In oxygen inhalation mode, button 13 is in the position, outside, so air can flow into cavity 51 and mix with oxygen, flow to adapter 10 then, and flows to cavity 27.Passage 66 can be seen clearlyer in Figure 1A, also can see in Fig. 3.
Valve part 30 makes it reach the maximum of permission by the maximum oxygen atmospheric pressure that is controlled at quadrat method in the cavity 27.When oxygen uptake reached maximum pressure, valve 30 moved, and valve 21 is closed.When breathing out end, valve part 30 is opened valve 21, and next circulation is restarted.The waste gas of breathing out is overflowed from passage 67 through cavity 51.
Fig. 5 illustrates a kind of mechanism that parts 31 are adjusted by the rotation of outer sleeve 70.This outer sleeve is connected with housing 20 by screw thread 71, and is fixed on the valve base part 31 by screw 72.Valve base piece 31 will move with outer sleeve 70 with medicated cap 73 and fairing cap 54, and the distance that can make between magnet ring 25 and the magnetic metal spare 29 that moves of parts 31 changes.
Valve 21 also is shown in the drawings in constructional a kind of improvement.Preferably there is a circular cross-section in bar portion 22, in the hole 34 of inserts 26, move back and forth, match ratio between it and the hole 34 is tightr, but can in the hole, be free to slide, just on head 23, one section cross section that dwindles 35 is arranged in bar portion 22, and head 23 is seated in a position on the O type ring 39 of hole 34 enlarged.There is a recess 48 lower end of inserts 26.Here with in housing 20, only establish shown in Fig. 1 single passage 47 different be to be provided with the hole 37 of two recesses 48 that are separated from each other and lead to.After O shape ring 39, also be provided with from the hole 34 holes 38 that extend up to cavity 27.When valve 21 was opened, oxygen can be from the hole 37 comes out, and through head 23, O shape ring 39, hole 38, enters cavity 27.Bar portion 22 is led by hole 34.Adopting two holes 37 is in order to avoid any by single hole or channel-like institute issuable " jet " effect when valve 21 is closed.Can see more clear among this Fig. 5 of the being configured in A.
Oxygen supply can pass through control valve shown in Figure 6, and the oxygen supply source is connected at inlet 76.The lower end of valve control piece 77 is provided with hole 78, is seated at it and also is provided with transverse holes 79 on valve seat above position.Hole 80 will enter the mouth and 76 link in the cavity 81 below valve part 77.When valve part 77 was closed, it was seated on the top periphery of cavity 81, also arrived valves 12 (please see Figure 1,2 and 6) by hole 83 therefrom but still have one minimum air communication via hole 78,79 to enter cavity 82.This minimum air-flow is being controlled in hole 78 and 79.When control piece 77 and valve 12 opened, the air-flow that between the top periphery of the portion that is located of parts 77 and cavity 81, can obtain increasing, air-flow available maximum can be set by the diameter in hole 83.
In not exceeding scope of the present invention, above-mentioned these embodiment can also make various variations.
Claims (20)
1. a resuscitation and inhalation device comprises a gas flow control valve (21) that is used for controlling the air-flow of coming cavity (27); First and second kinds of intake valves (12 of replaceable use, 14), be used for making first kind of gas can under pressure, arrive said gas flow control valve (21), have only when operating first kind of intake valve (12) when just allowing by on executing location the time gas to flow into hands, and when operating second kind of intake valve (14), can make gas flow to said gas flow control valve (21) continuously; Make second kind of gas can enter the gas passage facility (50) of mixing bunker (51); And the valve base piece (40) that is used in combination with said first kind of intake valve (12), it can turn-off said gas passage facility (50) when first kind of intake valve (12) operated; Because the operation of said first kind of intake valve (12), said first kind of gas can flow in the connecting portion (10) of a connection face shield; Because the operation of said second kind of intake valve (14), said first kind of gas at the connecting portion (10) that flows into said face shield before, in said mixing bunker (51), mix with said second kind of gas, it is characterized in that this device also comprises first magnetic part (25) relevant with gas flow control valve (21); This device also is provided with one and is contained in and tends to make said gas flow control valve (21) to move to the valve part (30) of enable possition in the said cavity (27), can move and comprise one second magnetic part (29) under the effect of this valve part (30) gas pressure in cavity (27); One in said first and second magnetic parts (25,29) is magnetized, the action of a magnetic field that magnetic part produced that is magnetized on another magnetic part so that constrain in the movably motion of valve part (30) under the gas pressure in the cavity (27).
2. according to said resuscitation and inhalation device in the claim 1, it is characterized in that, said first kind of intake valve (12) comprises an operating parts (13), said operating parts (13) contains a button that can slide vertically in a valve base piece (40), said first intake valve (12) is a ball valve, and said button (13) has a termination (43), and it can leave its valve seat (40) with said ball valve (12) jack-up when said button (13) is mobile.
3. according to the resuscitation and inhalation device described in the claim 1, it is characterized in that the distance between said first and second magnetic parts (25,29) is variable.
4. according to the resuscitation and inhalation device described in the claim 1, it is characterized in that, this device comprises a housing (20), annular bracket spare (31) in said housing (20), said movably valve part (30) is exactly to locate in said annular bracket spare (31) and be located on the valve seat (33) of said bracket spare (31), said bracket spare (31) can be gone up at housing (20) and move, so as to changing the distance between said first and second magnetic parts (25,29).
5. resuscitation and inhalation device according to claim 1, it is characterized in that, said device comprise annular bracket spare (31) in said housing (20) of a shell (20),, one be positioned at the sleeve (70) on the said shell (20) and be positioned at said sleeve (70) and said shell (20) between be threaded (71), and said sleeve (70) linked the facility of said bracket spare (31), said sleeve (70) can change distance between said first and second magnetic parts (25,29) in the rotation on the said shell (20).
6. resuscitation and inhalation device according to claim 1, it is characterized in that, said first magnetic part (25) is a magnet ring (25), this magnet ring is arranged in the shell (20) of this device, and be positioned on same the centrage with said movably valve part (30) and spaced apart, said flow control valve (21) is contained in the said magnet ring (25) and can moves vertically.
7. resuscitation and inhalation device according to claim 1, it is characterized in that, said valve part (21) comprises a bar portion (22) and a head (23), with one movably valve part (30) act on the end of said bar portion (22), said head (23) is forming a part that cooperates with valve seat away from an end of said movably valve part (30).
8. resuscitation and inhalation device according to claim 1, it is characterized in that, said first magnetic part (25) is a magnet ring (25), said device is included in the inserts (26) in the said magnet ring (25), can be in said inserts (26) the bar portion (22) of axially movable oxygen flow control valve, and in order to make gas flow through said bar portion (22), the measure of on the whole length of said bar portion, being taked.
9. according to the resuscitation and inhalation device described in the claim 1, it is characterized in that said first magnetic part (25) is a permanent magnet.
10. according to said resuscitation and inhalation device in the claim 1, it is characterized in that, said first magnetic part (25) is a magnet ring (25), said device comprise one in said magnet ring (25) inserts (26) and in said inserts (26) axially displaceable bar portion (22), in said inserts (26), the fluted said bar portion (22) that extends longitudinally in makes air-flow can pass through said bar portion (22).
11., it is characterized in that said device comprises an inlet (76) according to the said resuscitation and inhalation device of claim 1, so that supply said gas first kind (12) and second kind of (14) intake valve to said replaceable use; A control valve (77) that is contained in said porch (76), the air-flow of said inlet (76) so that control is flowed through, said control valve (77), comprise a first fluid passage (78), this passage open all the time in case make a predetermined minimum air flow be able to by, also have one second fluid passage that can open (79) in addition, make it to reach predetermined maximum value so that increase air-flow.
12. a flow control valve assembly comprises a cavity (27); A gas flow control valve (21) that is used for controlling the air-flow of coming cavity (27); The facility that the inlet (76) of high-voltage power supply and said flow control valve (21) is coupled together; The gas that is used to be communicated with a variable pressure flows to the facility of said cavity (27); Selectively a low-pressure gas is connected to the facility of said cavity (27); It is characterized in that this device comprises that also one can move back and forth and is contained in the said cavity (27) and is the valve part (30) of the gas pressure in the said cavity (27), this valve part (30) can act on flow control valve (21) and make it to open; This device also comprises second magnetic part (29) of first magnetic part (25) that is arranged on this valve part (30) and the another side that is arranged on said first magnetic part (25) and spaced apart certain distance; One of said first and second magnetic parts (25,29) are magnetized, and are used for the moving of said valve part (30) that constraint causes by said air pressure in cavity (27); When said variable air pressure reaches predetermined maximum value, said valve part (30) can overcome magnetically confined power and move, and makes said flow control valve (21) can close and make said low pressure gas physical ability to be connected to the connecting portion of said cavity (27) (11); When said variable pressure reached the predetermined lower limit value, said valve part (30) moved along with the suction in said magnetic field, and said flow control valve (21) is opened.
13. the flow control valve assembly according to described in the claim 12 is characterized in that, the distance between said first and second magnetic parts (25,29) is variable.
14. according to the flow control valve assembly described in the claim 12, it is characterized in that, this device comprises a housing (20), annular bracket spare (31) in said housing (20), said movably valve part (30) is exactly to locate in said annular bracket spare (31) and be located on the valve seat (33) of said bracket spare (31), said bracket spare (31) can be gone up at housing (20) and move, so as to changing the distance between said first and second magnetic parts (25,29).
15. flow control valve assembly according to claim 14, it is characterized in that, said device comprise annular bracket spare (31) in said housing (20) of a shell (20),, one be positioned at the sleeve (70) on the said shell (20) and be positioned at said sleeve (70) and said shell (20) between be threaded (71), and said sleeve (70) linked the facility of said bracket spare (31), said sleeve (70) can change distance between the said magnetic part (25,29) in the rotation on the said shell (20).
16. flow control valve assembly according to claim 14, it is characterized in that, said first magnetic part (25) is a magnet ring (25), this magnet ring is arranged in the shell (20) of this device, and also spaced apart on same centrage with said movably valve part (30) position, said flow control valve (21) is contained in the said magnet ring (25) and can moves vertically.
17. flow control valve assembly according to claim 12, it is characterized in that, said valve part (21) comprises a bar portion (22) and a head (23), with one movably valve part (30) act on the end of said bar portion (22), said head (23) is forming a part that cooperates with valve seat away from an end of said movably valve part (30).
18. flow control valve assembly according to claim 17, it is characterized in that, said first magnetic part (25) is a magnet ring (25), said device also is included in the inserts (26) in the said magnet ring (25), can be in said inserts (26) the bar portion (22) of axially movable oxygen flow control valve, and in order to make gas flow through said bar portion (22), the measure of on the whole length of said bar portion, being taked.
19. the flow control valve assembly according to described in the claim 12 is characterized in that, said first magnetic part (25) is a permanent magnet.
20. according to said flow control valve assembly in the claim 16, it is characterized in that, said first magnetic part (25) is a magnet ring (25), said device also comprises an inserts (26) in said magnet ring (25), the bar portion (22) of axially displaceable oxygen flow control valve in said inserts (26), in said inserts (26), the fluted said bar portion (22) that extends longitudinally in makes air-flow can pass through said bar portion (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91108548A CN1103610C (en) | 1991-09-05 | 1991-09-05 | Resuscitation and inhalation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91108548A CN1103610C (en) | 1991-09-05 | 1991-09-05 | Resuscitation and inhalation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1069891A CN1069891A (en) | 1993-03-17 |
| CN1103610C true CN1103610C (en) | 2003-03-26 |
Family
ID=4909354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91108548A Expired - Lifetime CN1103610C (en) | 1991-09-05 | 1991-09-05 | Resuscitation and inhalation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1103610C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727977B (en) * | 2012-07-17 | 2014-12-03 | 兴威电脑（昆山）有限公司 | Resuscitator |
| CN105664315B (en) * | 2016-01-12 | 2018-08-17 | 中国人民解放军军事医学科学院实验仪器厂 | Oxygen supply recovery breathing apparatus |
| CN106267488B (en) * | 2016-08-23 | 2018-05-25 | 上海市浦东新区公利医院 | Phase control mode transportation of patients lung ventilator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853105A (en) * | 1971-12-16 | 1974-12-10 | P Kenagy | Insufflator gas flow device |
| US3931829A (en) * | 1973-06-29 | 1976-01-13 | Oxequip Health Industries | Valved service outlet |
| US4006742A (en) * | 1973-12-27 | 1977-02-08 | Stephen Donald Flynn | Positive pressure resuscitator |
-
1991
- 1991-09-05 CN CN91108548A patent/CN1103610C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853105A (en) * | 1971-12-16 | 1974-12-10 | P Kenagy | Insufflator gas flow device |
| US3931829A (en) * | 1973-06-29 | 1976-01-13 | Oxequip Health Industries | Valved service outlet |
| US4006742A (en) * | 1973-12-27 | 1977-02-08 | Stephen Donald Flynn | Positive pressure resuscitator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1069891A (en) | 1993-03-17 |
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Expiration termination date: 20110905 Granted publication date: 20030326 |