CN112535790A - Oxygen supply valve convenient to regulate and control flow - Google Patents
Oxygen supply valve convenient to regulate and control flow Download PDFInfo
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- CN112535790A CN112535790A CN202110036427.7A CN202110036427A CN112535790A CN 112535790 A CN112535790 A CN 112535790A CN 202110036427 A CN202110036427 A CN 202110036427A CN 112535790 A CN112535790 A CN 112535790A
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- oxygen supply
- oxygen
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- decompression
- supply valve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
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- Emergency Medicine (AREA)
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention relates to an oxygen supply valve convenient for flow regulation and control, which comprises a gas cylinder connector (10), a lung type functional component (4), a pressure reducing switch (1), a negative pressure connector (5) and an oxygen supply connector (6), wherein the oxygen supply valve is connected with an oxygen cylinder through the gas cylinder connector (10), an oxygen supply channel (105) is arranged in the oxygen supply valve, the pressure reducing switch (1) and the oxygen supply connector (6) are both communicated with the oxygen supply channel (105), the oxygen supply connector (6) is positioned at the tail end of the oxygen supply channel (105), the lung type functional component (4) is arranged on the oxygen supply channel (105) between the pressure reducing switch (1) and the oxygen supply connector (6), and the lung type oxygen supply component is communicated with the negative pressure connector (5) and used for controlling the opening and closing of the oxygen supply channel (105). The invention integrally improves the stability of the oxygen supply valve, makes the oxygen supply valve easier to operate and more stable in performance, and can visually observe the oxygen supply state and the oxygen supply frequency.
Description
Technical Field
The invention relates to the technical field of oxygen supply equipment, in particular to an oxygen supply valve convenient for flow regulation and control.
Background
The oxygen supply valve is a valve element mounted on the gas cylinder for controlling the gas release of the gas cylinder. The prior oxygen supply valve has the following problems: one, supply the oxygen valve after opening, to supplying the closing difficulty of oxygen valve, because supply the oxygen valve directly to the high-pressure switch of gas cylinder interface receive the high-pressure gas effect in the gas cylinder, consequently the high-pressure gas is big to high-pressure switch's resistance, when high-pressure switch closes gradually, the resistance that high-pressure switch received also can crescent, the unable situation of twisting of high-pressure switch appears even, simultaneously because high-pressure switch closes the problem of difficulty, consequently when high-pressure switch can't twist, operating personnel can't judge whether high-pressure switch closes completely, there is the problem of gas leakage. Second, supply to be provided with emergency switch on the oxygen valve usually, emergency switch is applicable to the lung formula subassembly and became invalid the back, opens emergency switch, and oxygen can continuously flow out, guarantees like this that the user can continue to use oxygen, belongs to emergent oxygen suppliment guarantee function. The oxygen supply valve is used for emergency closing, the opening state and the closing state of the existing oxygen supply switch are unstable, and the oxygen supply switch is easy to move under the action of external pressing and collision, so that the opening and closing states are switched. Thirdly, can't the visual observation to the actual oxygen suppliment frequency of oxygen supply valve to supply to the oxygen air current for the user relatively gentle, ordinary oxygen suppliment mode adopts lung formula oxygen suppliment again, just can begin the oxygen suppliment when needing lung formula oxygen suppliment subassembly to feel the negative pressure, therefore the user is in the use, hardly the actual oxygen suppliment state of audio-visual judgement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an oxygen supply valve which can be easily opened and closed, is stable in emergency switch and can visually observe the oxygen supply frequency and the on and off states of oxygen supply.
The purpose of the invention is realized by the following technical scheme: the utility model provides a supply oxygen valve convenient to regulation and control flow, includes gas cylinder interface, lung formula functional unit, decompression switch, negative pressure adapter and oxygen suppliment adapter, supply the oxygen valve to pass through gas cylinder interface and be connected with the oxygen cylinder, be provided with the oxygen suppliment passageway in supplying the oxygen valve, decompression switch and oxygen suppliment adapter all communicate with the oxygen suppliment passageway, the oxygen suppliment adapter is located the end of oxygen suppliment passageway, lung formula functional unit sets up on the oxygen suppliment passageway between decompression switch and oxygen suppliment adapter, and the pressure sensing interface and the negative pressure adapter intercommunication of lung formula oxygen suppliment subassembly for control opening and close of oxygen suppliment passageway.
Preferably, the lung type oxygen supply assembly is any one of a diaphragm or a diaphragm box.
Preferably, the pressure reducing switch comprises a pressure reducing shaft, a pressure reducing shell, a switch shaft and a switch handle, a shaft hole is arranged on a valve body of the oxygen supply valve, the shaft hole is communicated with a gas cylinder connector, one section of oxygen supply channel between the shaft hole and the gas cylinder connector is a high-pressure channel, the high-pressure channel is coaxial with the shaft hole, one end of the pressure reducing shaft is inserted into the shaft hole, a gap exists between the pressure reducing shaft and the shaft hole, a connecting port of the oxygen supply channel between the shaft hole and the oxygen supply connector is positioned on the side wall of the shaft hole, the other end of the oxygen supply channel is positioned in the pressure reducing shell, the pressure reducing shell is fixedly connected with the valve body, a step hole is arranged in the pressure reducing shell, a step matched with the step hole is arranged on the switch shaft, one end of the switch shaft is abutted against the pressure reducing shaft, the other end of the switch shaft is positioned outside the pressure reducing, and a transmission thread is arranged between the switch shaft and the pressure reduction shell. The pressure reducing shaft reduces the pressure of the gas flowing out of the high-pressure channel in a throttling mode, so that the gas contacted with the switch shaft is low-pressure gas, the screwing resistance of the switch shaft is reduced, a user can easily screw the switch shaft, and the oxygen supply valve can be easily and stably switched.
Preferably, the diameter of one end of the pressure reducing shaft close to the high-pressure channel is smaller than that of the middle part, and the diameter of one end of the pressure reducing shaft in contact with the switch shaft is larger, so that the pressure reducing shaft forms three sections with different diameters. The oxygen supply channel is just opposite to the side face of the section with the minimum diameter, and the section with the maximum diameter of the pressure reducing shaft is completely positioned in the pressure reducing shell.
Preferably, a counter bore is formed in one end, close to the high-pressure channel, of the decompression shaft, a plug is arranged in the counter bore, the thickness of the plug is larger than the depth of the counter bore, the position of the plug is opposite to the high-pressure channel, and the cross-sectional area of the plug is larger than that of the high-pressure channel, so that the plug can completely plug the high-pressure channel.
Preferably, the valve body is provided with a flow restrictor, and the flow restrictor is positioned on an oxygen supply channel between the lung-type functional component and the pressure reduction switch. The flow of oxygen can be adjusted through the flow restrictor, so that the oxygen amount supplied by the oxygen supply valve meets the actual demand of a user. The flow restrictor has a preset flow rate, the flow rate cannot be adjusted after the flow restrictor is set, and if the flow rate needs to be adjusted, the flow restrictor needs to be replaced instead of adjusting the flow rate through the flow restrictor.
Preferably, a pressure gauge, a safety valve and an oxygen charging port are further arranged on the valve body of the oxygen supply valve, and the pressure gauge, the safety valve and the oxygen charging port are communicated with the high-pressure channel.
Preferably, the oxygen supply valve is further provided with an emergency switch and an emergency channel, the emergency switch is located on the emergency channel, the oxygen supply channel and the emergency channel are provided with two connectors, the lung-type functional component is located on the oxygen supply channel between the two connectors, when the lung-type functional component cannot normally operate, the emergency switch can be opened to supply oxygen, after the emergency switch is opened, the oxygen supply mode of the oxygen supply valve is changed into continuous oxygen supply, the emergency switch comprises a lock pin, a fixing ring and a handle, the oxygen supply valve is provided with a pin hole matched with the lock pin, of the two connectors, the connector at the upstream of the air flow is located in the middle of the pin hole, the connector at the downstream of the air flow is located at the bottom of the pin hole, the lock pin is provided with an upper shaft shoulder, a middle shaft shoulder and a lower shaft shoulder, and a first sealing ring is arranged, the locking pin is provided with two matching positions of a locking position and an opening position in the valve body, when the locking pin is located at the locking position, the air source through hole is located between the first sealing ring and the second sealing ring, when the locking pin is located at the opening position, the air source through hole and the air source outlet are located on the same side of the second sealing ring, the fixing ring is fixedly connected with the pin hole, the top of the locking pin penetrates out of the middle of the fixing ring, and the penetrating part of the locking pin is fixedly connected with the handle.
Preferably, the pin hole comprises a large-diameter section and a small-diameter section, the diameter of the upper shaft shoulder is the same between the large-diameter sections, the diameters of the middle shaft shoulder and the lower shaft shoulder are the same as the diameter of the small-diameter section, and the connecting port located at the upstream of the air flow is located on the side wall of the large-diameter section. When the round pin axle is in the locking state, the atmospheric pressure that two terminal surfaces of upper shaft shoulder and well shaft shoulder received is the same, and the up end of lower shaft shoulder then can receive the pressure from the second sealing washer to make the lockpin receive decurrent atmospheric pressure all the time, need exert certain power this moment and just can upwards move the handle, make the lockpin shift up, ensured the stability under the locking position of lockpin, when the lockpin is located the open position, the lockpin moves down and can receive the air current effect, also need exert certain power and just can push down the lockpin. A change in the position of the detent due to an accidental light impact is avoided.
Preferably, the oxygen suppliment is connect the mouth and is located a transparent shell with the negative pressure and connect the mouth, transparent shell and oxygen supply valve's valve body fixed connection, be provided with the floater on the transparent shell with the oxygen suppliment oxygen channel of oxygen suppliment connect the mouth intercommunication, the both sides of oxygen suppliment passageway all are provided with limit structure on the transparent shell, the vertical setting of oxygen suppliment passageway in the transparent shell, and the bottom of oxygen suppliment passageway in the transparent shell and the oxygen suppliment passageway intercommunication in the oxygen valve, top and oxygen suppliment interface intercommunication.
Preferably, can set up the scale on transparent housing, through observing the supply state that the high direct judgement oxygen that beats of floater, when the negative pressure that the user breathes and forms was very low, the oxygen supply volume also can be very little, and consequently the oxygen air current is low to the impact force of floater, and the floater is beated highly and is obviously reduced, consequently, can directly perceived the strong and weak of judgement user's breathing through the height of beating of floater. Through observing the frequency of floater, can directly perceivedly know whether the frequency of oxygen suppliment is normal, can regard as and carry out real-time supervision to lung formula oxygen suppliment subassembly.
Preferably, limit structure of floater both sides is located the upside and the downside of floater respectively, is located the downside limit structure reduces the undergauge section of formation for one section oxygen supply channel diameter, undergauge section top and normal oxygen supply channel's transition face are any one of cambered surface or conical surface, when the air current passes through, the floater can certainly be blown by the air current, can set up the oxygen suppliment mouth in the middle part of this oxygen supply channel for making the air current pass through, when the oxygen circulation, the floater is located the upper portion of this oxygen supply channel under the air current effect, perhaps sets up the diameter of floater into the diameter that is less than this oxygen supply channel, ensures that the floater can not block the circulation of oxygen, the cambered surface matches with the shape of floater, is located the upside limit structure is for setting up arbitrary one kind in lug or the net piece in the oxygen supply channel. When the oxygen supply interface is connected with the top of the channel where the floating ball is located, a convex block or a net piece needs to be arranged in the oxygen supply channel, and the floating ball is prevented from blocking the oxygen supply nozzle.
The invention has the following advantages:
1. the closing resistance of the high-pressure switch of the oxygen supply valve is reduced, so that a user can easily close the oxygen supply valve, the oxygen supply valve can be ensured to be completely closed, and the condition of air leakage caused by incomplete closing is avoided;
2. the emergency switch can be pressed by gas in the gas cylinder after being closed, so that the purpose of utilizing the gas for self-locking is realized, and the emergency switch can be opened only by applying certain force by a user after the emergency switch is closed, so that the stability of the locking state of the emergency switch is ensured;
3. through the state of beating of floater, can the size of oxygen suppliment oxygen flow by visual observation to can observe whether the oxygen suppliment frequency is normal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is another schematic structural view of the present invention;
FIG. 3 is a schematic structural view of a pressure relief switch;
FIG. 4 is a schematic structural diagram of an emergency switch;
FIG. 5 is a schematic structural view of a transparent shell, an oxygen supply nozzle and a negative pressure nozzle;
FIG. 6 is a schematic view of the position of the float;
in the figure: 1-pressure reducing switch, 2-pressure gauge, 3-emergency switch, 4-lung function component, 5-negative pressure connector, 6-oxygen supply connector, 7-oxygen charging port, 8-safety valve, 9-current limiter, 10-gas cylinder connector, 12-transparent shell, 13-floating ball, 14-reducing section, 101-pressure reducing shell, 102-pressure reducing shaft, 103-high pressure channel, 104-plug, 105-oxygen supply channel, 106-switch shaft, 107-switch handle, 301-handle, 302-lock pin, 303-fixing ring, 304-upper shaft shoulder, 305-middle shaft shoulder, 306-lower shaft shoulder, 307-second sealing ring and 308-first sealing ring.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1-6, an oxygen supply valve convenient to regulation and control flow, including gas cylinder interface 10, lung formula functional component 4, decompression switch 1, negative pressure connector 5 and oxygen suppliment connector 6, the oxygen supply valve passes through gas cylinder interface 10 and is connected with the oxygen cylinder, be provided with oxygen suppliment passageway 105 in the oxygen supply valve, decompression switch 1 and oxygen suppliment connector 6 all communicate with oxygen suppliment passageway 105, oxygen suppliment connector 6 is located oxygen suppliment passageway 105's end, lung formula functional component 4 sets up on oxygen suppliment passageway 105 between decompression switch 1 and oxygen suppliment connector 6, and the pressure sensing interface and the negative pressure connector 5 intercommunication of lung formula oxygen suppliment subassembly for control oxygen suppliment passageway 105 opens and close.
Preferably, the lung type oxygen supply assembly is any one of a diaphragm or a diaphragm box. The opening and closing of oxygen supply channel 105 are controlled according to the breathing of the user to lung type oxygen supply assembly 4, so that a pressure sensing interface is arranged in the lung type oxygen supply assembly 4, the pressure sensing interface is used for receiving a negative pressure signal in the breathing process of the user, a diaphragm structure is arranged, the diaphragm deforms when the user inhales, the oxygen supply channel 105 is opened, and when the user does not inhale, the diaphragm automatically returns to block the oxygen supply channel 105.
Preferably, the pressure reducing switch 1 comprises a pressure reducing shaft 102, a pressure reducing housing 101, a switch shaft 106 and a switch handle 107, a shaft hole is arranged on a valve body of the oxygen supply valve, the shaft hole is communicated with the gas cylinder connector 10, one section of oxygen supply channel 105 between the shaft hole and the gas cylinder connector 10 is a high-pressure channel 103, the high-pressure channel 103 is coaxial with the shaft hole, one end of the pressure reducing shaft 102 is inserted into the shaft hole, a gap exists between the pressure reducing shaft 102 and the shaft hole, a connecting port of the oxygen supply channel 105 between the shaft hole and the oxygen supply connector 6 is positioned on the side wall of the shaft hole, the other end of the oxygen supply channel is positioned in the pressure reducing housing 101, the pressure reducing housing 101 is fixedly connected with the valve body, a step hole is arranged in the pressure reducing housing 101, a step matched with the step hole is arranged on the switch shaft 106, one end of the switch shaft 106 is abutted against the pressure reducing shaft 102, a switch handle 107 is fixed on one end of the switch shaft 106 outside the pressure reducing casing 101, and a transmission thread is arranged between the switch shaft 106 and the pressure reducing casing 101. The decompression shaft 102 decompresses the gas flowing out of the high-pressure passage 103 in a throttling mode, so that the gas contacted with the switch shaft 106 is low-pressure gas, the screwing resistance of the switch shaft 106 is reduced, a user can easily screw the switch shaft 106, and the oxygen supply valve is easily and stably switched.
Preferably, the decompression shaft 102 has a smaller diameter at one end near the high-pressure passage 103 than at the middle portion and a larger diameter at the end contacting the switch shaft 106, so that the decompression shaft 102 has three sections with different diameters. The oxygen supply passage 105 faces the side of the section having the smallest diameter, and the section having the largest diameter of the decompression shaft 102 is entirely located in the decompression housing 101.
Preferably, a counter bore is arranged at one end of the decompression shaft 102 close to the high-pressure channel 103, a plug 104 is arranged in the counter bore, the thickness of the plug 104 is greater than the depth of the counter bore, the position of the plug 104 is over against the high-pressure channel 103, and the cross-sectional area of the plug 104 is greater than that of the high-pressure channel 103, so that the plug 104 can completely block the high-pressure channel 103.
Preferably, the valve body is provided with a flow restrictor 9, and the flow restrictor 9 is positioned on the oxygen supply channel 105 between the lung function assembly 4 and the pressure reduction switch 1. The flow of oxygen can be adjusted by the flow restrictor 9, so that the amount of oxygen supplied by the oxygen supply valve meets the actual demand of the user.
Preferably, a pressure gauge 2, a safety valve 8 and an oxygen charging port 7 are further arranged on the valve body of the oxygen supply valve, and the pressure gauge 2, the safety valve 8 and the oxygen charging port 7 are all communicated with the high-pressure channel 103.
Preferably, the oxygen supply valve is further provided with an emergency switch 3 and an emergency channel, the emergency switch (3) is located on the emergency channel, the oxygen supply channel 105 and the emergency channel have two connecting ports, the lung-type functional component is located on the oxygen supply channel between the two connecting ports, that is, the lung-type oxygen supply component 4 and the emergency switch are in a parallel connection relationship, when the lung-type oxygen supply component 4 fails, the emergency switch 3 can be supplied with oxygen by opening the emergency switch 3, the emergency switch 3 comprises a lock pin 302, a fixing ring 303 and a handle 301, the oxygen supply valve is provided with a pin hole matched with the lock pin 302, of the two connecting ports, the connecting port at the upstream of the air flow is located in the middle of the pin hole, the connecting port at the downstream of the air flow is located at the bottom of the pin hole, the lock pin 302 is provided with an upper shaft shoulder 304, a middle shaft shoulder 305 and a lower shaft shoulder 306, and in a state that, a second sealing ring 307 is arranged between the middle shaft shoulder 305 and the lower shaft shoulder 306, the locking pin 302 has two matching positions of a locking position and an opening position in the valve body, when the locking pin 302 is at the locking position, the air source through hole is positioned between the first sealing ring 308 and the second sealing ring 307, when the locking pin 302 is at the opening position, the air source through hole and the air source outlet are positioned at the same side of the second sealing ring 307, the fixing ring 303 is fixedly connected with the pin hole, the top of the locking pin 302 penetrates out of the middle part of the fixing ring 303, and the penetrating part is fixedly connected with the handle 301.
Preferably, the pin hole includes a large diameter section and a small diameter section, the diameter of the upper shoulder 304 is the same between the large diameter sections, the diameter of the middle shoulder 305 and the diameter of the lower shoulder 306 are the same as the diameter of the small diameter section, and the connection port located upstream of the gas flow is located on the side wall of the large diameter section. When the pin shaft is in a locked state, the air pressure on the two end faces of the upper shoulder 304 and the middle shoulder 305 is the same, and the pressure on the upper end face of the lower shoulder 306 is the same as that of the second sealing ring 307, so that the lock pin 302 is always subjected to downward air pressure, and at the moment, a certain force needs to be applied to move the handle 301 upwards and move the lock pin 302 upwards, so that the stability of the lock pin 302 in a locked position is ensured, when the lock pin 302 is located in an open position, the lock pin 302 moves downwards and is subjected to air flow, and a certain force needs to be applied to press the lock pin 302 downwards. A change in the position of locking pin 302 due to an accidental light impact is avoided.
Preferably, oxygen suppliment spigot 6 is located a transparent shell 12 with negative pressure spigot 5, transparent shell 12 and the valve body fixed connection who supplies the oxygen valve, be provided with floater 13 in the oxygen supply passageway 105 with oxygen suppliment spigot 6 intercommunication on the transparent shell 12, oxygen supply passageway 105's both sides all are provided with limit structure on the transparent shell 12, the vertical setting of oxygen supply passageway 105 in the transparent shell 12, and oxygen supply passageway 105's in the oxygen supply passageway 105 in the transparent shell 12 and the oxygen suppliment passageway 105 intercommunication in supplying the oxygen valve, top and oxygen suppliment interface intercommunication.
Preferably, can set up the scale on transparent housing 12, directly judge the supply state of oxygen through observing the jump height of floater 13, when the negative pressure that the user breathed and forms was very low, the oxygen supply volume also can be very little, therefore the impact force of oxygen air current to the floater is low, and the floater jump height obviously reduces, consequently, can directly perceived the strong and weak of judging user's breathing through the jump height of floater. Whether the frequency of oxygen suppliment is normal can be known directly perceivedly through observing the frequency of floater 13, can regard as and carry out real-time supervision to lung formula oxygen suppliment subassembly.
Preferably, the limiting structures at two sides of the floating ball 13 are respectively located at the upper side and the lower side of the floating ball 13, the limiting structure at the lower side is a reduced diameter section 14 formed by reducing the diameter of an oxygen supply channel 105, the transition surface between the top of the reducing section 14 and the normal oxygen supply channel 105 is any one of an arc surface or a conical surface, when air flows through, the floating ball 13 is blown by the air flow, and in order to enable the air flow to pass through, the oxygen supply nozzle 6 can be arranged in the middle of the oxygen supply channel 105, when oxygen circulates, the floating ball 13 is positioned on the upper part of the oxygen supply channel 105 under the action of air flow, or the diameter of the floating ball 13 is set to be smaller than that of the oxygen supply channel 105, so that the floating ball 13 can not block the circulation of oxygen, the cambered surface is matched with the floating ball 13 in shape, and the limiting structure positioned on the upper side is any one of a convex block or a net sheet arranged in the oxygen supply channel 105. When the oxygen supply interface is connected with the top of the channel where the floating ball 13 is located, a bump or a net piece needs to be arranged in the oxygen supply channel 105 to block the floating ball 13 from blocking the oxygen supply nozzle 6.
Claims (10)
1. The utility model provides an oxygen supply valve convenient to regulation and control flow which characterized in that: including gas cylinder interface (10), lung formula functional component (4), decompression switch (1), negative pressure connector (5) and oxygen suppliment connector (6), the oxygen supply valve passes through gas cylinder interface (10) and is connected with the oxygen cylinder, be provided with oxygen suppliment passageway (105) in the oxygen supply valve, decompression switch (1) and oxygen suppliment connector (6) all communicate with oxygen suppliment passageway (105), oxygen suppliment connector (6) are located the end of oxygen suppliment passageway (105), lung formula functional component (4) set up on oxygen suppliment passageway (105) between decompression switch (1) and oxygen suppliment connector (6), and the pressure sensing interface and the negative pressure connector (5) intercommunication of lung formula oxygen suppliment subassembly for the opening and close of control oxygen suppliment passageway (105).
2. An oxygen supply valve for facilitating the regulation of flow according to claim 1, wherein: the lung type oxygen supply assembly is any one of a diaphragm or a diaphragm box.
3. An oxygen supply valve for facilitating the regulation of flow according to claim 1, wherein: decompression switch (1) is including decompression axle (102), decompression shell (101), switch shaft (106) and switch handle (107), be provided with the shaft hole on the valve body of oxygen supply valve, shaft hole and gas cylinder interface (10) intercommunication, one section oxygen suppliment passageway (105) between shaft hole and gas cylinder interface (10) are high-pressure channel (103), high-pressure channel (103) are coaxial with the shaft hole, decompression axle (102) one end is inserted in the shaft hole, there is the clearance between decompression axle (102) and the shaft hole, the connector of oxygen suppliment passageway (105) between shaft hole and the oxygen suppliment faucet (6) is located the shaft hole lateral wall, and the other end is located decompression shell (101), decompression shell (101) and valve body fixed connection, be provided with the step hole in decompression shell (101), be provided with the step that matches with the step hole on switch shaft (106), switch shaft (106) one end supports and leans on decompression axle (102), and the other end is located decompression shell (101) outside, the one end that the step hole diameter is big is located the one side that is close to decompression axle (102), switch shaft (106) are located one of the outer one of decompression shell (101) and are served and be fixed with switch handle (107), be provided with transmission screw thread between switch shaft (106) and decompression shell (101).
4. An oxygen supply valve for facilitating the regulation of flow according to claim 3, wherein: one end of the decompression shaft (102) close to the high-pressure channel (103) is provided with a counter bore, a plug (104) is arranged in the counter bore, the thickness of the plug (104) is larger than the depth of the counter bore, the position of the plug (104) is over against the high-pressure channel (103), and the cross sectional area of the plug (104) is larger than that of the high-pressure channel (103).
5. An oxygen supply valve for facilitating the regulation of flow according to claim 1, wherein: the valve body is provided with a flow restrictor 9, and the flow restrictor 9 is positioned on an oxygen supply channel (105) between the lung type functional component (4) and the pressure reducing switch (1).
6. An oxygen supply valve for facilitating the regulation of flow according to claim 3, wherein: still be provided with manometer (2), relief valve (8) and oxygenate mouthful (7) on the valve body of oxygen supply valve, manometer (2), relief valve (8) and oxygenate mouthful (7) all communicate with high-pressure channel (103).
7. An oxygen supply valve for facilitating the regulation of flow according to claim 1, wherein: the oxygen supply valve is also provided with an emergency switch (3) and an emergency channel, the emergency switch (3) is positioned on the emergency channel, the oxygen supply channel (105) and the emergency channel are provided with two connecting ports, the lung type functional component is positioned on the oxygen supply channel between the two connecting ports, the emergency switch (3) comprises a lock pin (302), a fixing ring (303) and a handle (301), the oxygen supply valve is provided with a pin hole matched with the lock pin (302), of the two connecting ports, the connecting port positioned at the upstream of the airflow is positioned in the middle of the pin hole, the connecting port positioned at the downstream of the airflow is positioned at the bottom of the pin hole, the lock pin (302) is provided with an upper shaft shoulder (304), a middle shaft shoulder (305) and a lower shaft shoulder (306), in the state that the lock pin (302) is vertically arranged, a first sealing ring (308) is arranged above the upper shaft shoulder (304), and a second sealing ring (307) is arranged between the middle shaft shoulder, the locking pin (302) is provided with two matching positions of a locking position and an opening position in the valve body, when the locking pin (302) is located at the locking position, the air source through hole is located between the first sealing ring (308) and the second sealing ring (307), when the locking pin (302) is located at the opening position, the air source through hole and the air source outlet are located on the same side of the second sealing ring (307), the fixing ring (303) is fixedly connected with the pin hole, the top of the locking pin (302) penetrates out of the middle of the fixing ring (303), and the penetrating part of the locking pin (302) is fixedly connected with the lifting handle (301).
8. An oxygen supply valve for facilitating the regulation of flow according to claim 7, wherein: the pin hole comprises a large-diameter section and a small-diameter section, the diameter of the upper shaft shoulder (304) is the same between the large-diameter sections, the diameters of the middle shaft shoulder (305) and the lower shaft shoulder (306) are the same as the diameter of the small-diameter section, and the connecting port located at the upstream of the airflow is located on the side wall of the large-diameter section.
9. An oxygen supply valve for facilitating the regulation of flow according to claim 1, wherein: oxygen suppliment connects mouth (6) and negative pressure to connect mouth (5) to be located a transparent shell (12), transparent shell (12) and the valve body fixed connection who supplies the oxygen valve, be provided with floater (13) in oxygen suppliment passageway (105) with oxygen suppliment connects mouth (6) intercommunication on transparent shell (12), the both sides of oxygen suppliment passageway (105) all are provided with limit structure on transparent shell (12), oxygen suppliment passageway (105) vertical setting in transparent shell (12), and the bottom of oxygen suppliment passageway (105) in transparent shell (12) and oxygen suppliment passageway (105) intercommunication in supplying the oxygen valve, top and oxygen suppliment interface intercommunication.
10. An oxygen supply valve for facilitating the regulation of flow according to claim 9, wherein: the limit structure of floater (13) both sides is located the upside and the downside of floater (13) respectively, is located the downside limit structure reduces reducing section (14) that form for one section oxygen supply channel (105) diameter, reducing section (14) top is arbitrary one in cambered surface or the conical surface with the transition face of normal oxygen supply channel (105), the cambered surface and the shape phase-match of floater (13) are located the upside limit structure is for setting up in the lug or the arbitrary one in the net piece in oxygen supply channel (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110036427.7A CN112535790A (en) | 2021-01-12 | 2021-01-12 | Oxygen supply valve convenient to regulate and control flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113332549A (en) * | 2021-05-19 | 2021-09-03 | 吉林大学 | Oxygen supply device for nursing megaloblastic anemia |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113332549A (en) * | 2021-05-19 | 2021-09-03 | 吉林大学 | Oxygen supply device for nursing megaloblastic anemia |
| CN113332549B (en) * | 2021-05-19 | 2022-06-03 | 吉林大学 | Oxygen supply device for nursing megaloblastic anemia |
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