CN1069891A - Resuscitation and inhalation device - Google Patents
Resuscitation and inhalation device Download PDFInfo
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- CN1069891A CN1069891A CN 91108548 CN91108548A CN1069891A CN 1069891 A CN1069891 A CN 1069891A CN 91108548 CN91108548 CN 91108548 CN 91108548 A CN91108548 A CN 91108548A CN 1069891 A CN1069891 A CN 1069891A
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Abstract
A kind of have the recovery and a device of oxygen uptake dual-use function, and the flow of gas is controlled by valve 21 in this device, valve 21 again by one adjustable, movably magnetic valve spare 30 is controlled.Valve part 30 is subjected to the effect in magnetic field, is exerted pressure by field intensity and moves.Gas enters 21, one on valve by two interchangeable intake valves 12 and is used for recovery, has only oxygen or gas to flow through face shield, and another is used to have the suction of mist.Air pressure in 30 pairs of cavitys 27 of valve part is responsive.When reaching default maximum pressure, valve part 30 just moves with closed control valve 21.
Description
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.
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.
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; One can move back and forth the valve part that is contained in the cavity; A flow control valve that is made it to open by the valve part effect, the facility that high-voltage power supply and valve inlet are coupled together; The gas of changeable pressure is connected to facility in the cavity; Selectively a low-pressure gas is connected to facility in the cavity; Be located at first magnetic part on the valve part; Be located at the another side and second magnetic part spaced apart of first magnetic part; One in first and second magnetic parts can be magnetized, be used for retraining the motion of valve part, when variable air pressure reached predetermined maximum value, valve part can overcome restraining forces (suction in magnetic field) and move, and makes flow control valve can close and make the low pressure gas physical ability to be connected in the cavity; When variable pressure reached the predetermined lower bound value, valve part just moved with the suction in magnetic field, made flow-control system opening of valves.
From another point of view, the present invention is to provide a kind of recovery and inhalation device, it comprises: the flow control valve of cavity air-flow is introduced in a control; A valve part that movably has a magnetic part by the effect of cavity internal gas pressure, this valve part is applied and makes it move to the enable possition on gas flow control valve; A magnetic part that is arranged in cavity; One of two magnetic parts can be magnetized, and its action of a magnetic field is used for retraining the movably motion of valve part on another magnetic part; First and second kinds of intake valves of replaceable use, be used for making first kind of gas under pressure, to arrive 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, and can make gas flow to gas flow control valve continuously when operating second kind of intake valve with hands; Make second kind of gas can enter the gas passage facility of mixing bunker; And the closed facility that is used in combination with first kind of intake valve, it can turn-off the gas passage facility when first kind of intake valve operation, because the operation of first kind of intake valve, first kind of gas can flow in the connecting portion of a connection face shield; Because the operation of second kind of intake valve, first kind of gas before the connecting portion that flows into face shield in mixing bunker with second kind of mixed gases.
From another point of view, but the present invention also from a kind of not only resuscitation and inhalation but also the general device of oxygen uptake broadly are provided, it comprises: the flow control valve of first kind of gas; Overcome the restraining forces of controlling magnetic field under the pressure effect of first kind of gas in cavity and valve part movably, and allow first kind of gas to flow to the intake valve of two kinds of replaceable uses of first kind of 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, at this moment second kind of gas passage of flowing into this device mixing bunker is cut off, and when second kind of intake valve of operation, can make first kind of gas flow to the flow control valve of first kind of gas continuously.
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.
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.
Fig. 1 can be contained on the face shield (not shown) to device shown in Figure 3, is connected with facepiece interior by connecting portion 10, and gas can be sent into from connecting portion 11.First advances oxygen valve 12(ball valve) drive by button 13; Second is advanced the most handy needle-valve of oxygen valve 14() 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 connecting portion 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 connecting portion 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, please see Figure 1,2 and 6 but still have one minimum air communication via hole 78,79 to enter cavity 82 and arrive valve 12(by hole 83 therefrom).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 (12)
1, a kind of resuscitation and inhalation device is characterized in that, this device comprises that one is used for controlling the gas flow control valve (21) of the air-flow of coming cavity (27) and first magnetic part (25) that links together with it; One is connected with another magnetic part (29) for the movably valve part (30) that gas pressure acted in the cavity (27) on it, said movably valve part (30) tends to make said gas flow control valve (21) to move to the enable possition; One of said magnetic part (25) is magnetized, and the action of a magnetic field of magnetized element (25) is gone up so that be constrained to the motion of the movably valve part (30) of gas pressure in the cavity (27) in another magnetic part (29).Also have first and second kinds of intake valves (12,14) of replaceable use to be used for making first kind of gas can under pressure, arrive said gas flow control valve (21) in addition; Have only when operating first kind of intake valve (12) when just allowing by on executing location the time gas to flow into, and when operating second kind of intake valve (14), can make gas flow to said gas flow control valve (21) continuously with hands; Make second kind of gas can enter the gas passage facility (50) of mixing bunker (51) in addition; 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 mixes with said second kind of gas in said mixing bunker (51) at the connecting portion (10) that flows into said face shield before.
2, according to said 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, a kind of resuscitation and inhalation device is characterized in that, said device comprises a flow control valve assembly, and this device comprises a cavity (27); 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); A flow control valve (21) that is made it to open by said valve part (30) effect; The facility that (76) of the inlet of high-voltage power supply and said flow control valve (21) are 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); Be located at first magnetic part (25) on the said valve part (30); Be located at the another side and second magnetic part (29) spaced apart of said first magnetic part (25); 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 restraining forces (suction in magnetic field) 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.
According to the device described in claim 1 or 3, it is characterized in that 4, the distance between the said magnetic part (25,29) is variable.
5, according to the device described in claim 1 or 3, 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 the said magnetic part (25,29).
6, install according to claim 1 or 5, it is characterized in that, said device comprise one 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).
7, install according to claim 1 or 5, it is characterized in that, this device comprises a magnet ring (25) in said shell (20), 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.
8, according to claim 1 or 3 described devices, 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).
9, according to claim 1 or 8 described devices, it is characterized in that, said device is included in the inserts (26) in the said magnet ring (25), can be in said inserts (26) axially movable said bar portion (22), 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.
According to the device described in claim 1 or 3, it is characterized in that 10, said magnetic part (25) is a permanent magnet.
11, according to said device in claim 1 or 7, it is characterized in that, said device comprises an inserts (26) in said magnet ring (25), axially displaceable said bar portion (22) 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).
According to the said device of claim 1, it is characterized in that 12, said device comprises an inlet (76), 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.
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 true CN1069891A (en) | 1993-03-17 |
| CN1103610C 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727977A (en) * | 2012-07-17 | 2012-10-17 | 兴威电脑（昆山）有限公司 | Resuscitator |
| CN105664315A (en) * | 2016-01-12 | 2016-06-15 | 中国人民解放军军事医学科学院实验仪器厂 | Oxygen-supply resuscitation respiratory equipment |
| CN106267488A (en) * | 2016-08-23 | 2017-01-04 | 上海市浦东新区公利医院 | Phase control mode transportation of patients respirator |
Family Cites Families (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
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102727977A (en) * | 2012-07-17 | 2012-10-17 | 兴威电脑（昆山）有限公司 | Resuscitator |
| CN105664315A (en) * | 2016-01-12 | 2016-06-15 | 中国人民解放军军事医学科学院实验仪器厂 | Oxygen-supply resuscitation respiratory equipment |
| CN106267488A (en) * | 2016-08-23 | 2017-01-04 | 上海市浦东新区公利医院 | Phase control mode transportation of patients respirator |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1103610C (en) | 2003-03-26 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Expiration termination date: 20110905 Granted publication date: 20030326 |