Oxygen supply control valve

Abstract

The utility model relates to the field of oxygen supply, in particular to an oxygen supply control valve which comprises a valve body, an air inlet hole is formed in the bottom end of the valve body, an external thread is arranged outside the air inlet hole, and the top end and the front side face of the valve body are detachably connected with a top cover and a side cover respectively. The air inlet control part is detachably connected into the valve body, and an air inlet hole of the air inlet control part is located in the air inlet hole; the air outlet control part is communicated with the air inlet control part; the air outlet nozzle is detachably connected to the rear side face of the valve body, and the air outlet nozzle communicates with the air outlet control part; and the control unit is detachably connected in the valve body, and the control unit is electrically connected with the air inlet control part. According to the intermittent oxygen supply device, the electromagnetic valve is adopted, so that the problem of continuous oxygen supply is effectively solved, and intermittent oxygen supply is further realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oxygen supply, concretely relates to an oxygen supply control valve. BACKGROUND

[0002] Oxygen supply is the indispensable guarantee measure for plateau operation, tourism and health care at present. The common oxygen supply mode at present is oxygen cylinder / oxygen tank oxygen supply, high-purity oxygen is filled into the oxygen cylinder / oxygen tank, and then oxygen supply is controlled through valve opening and closing.

[0003] The control valve at the present stage adopts stop valve control, the control mode is relatively single, only two modes of closing and opening, the opening mode is continuous oxygen supply. The breathing frequency of normal people is about 20 times per minute in the resting state, the normal time ratio of inhalation to exhalation is 1:1.5, and the exhalation time is longer than the inhalation time. And in the exhalation time, the oxygen of continuous oxygen supply is wasted. INVENTION CONTENTS

[0004] The application provides an oxygen supply control valve, solves the problem of oxygen use time reduction caused by continuous oxygen supply, realizes oxygen supply control switch in line with the breathing rhythm, supplies oxygen when inhaling, and closes when exhaling, so that oxygen is saved and oxygen supply duration is prolonged.

[0005] The technical problem solved by the utility model can be realized by the following technical scheme:

[0006] An oxygen supply control valve comprises:

[0007] A valve body, an air inlet is formed in the bottom end of the valve body, an external thread is formed outside the air inlet, and the top end and the front side of the valve body are respectively detachably connected with a top cover and a side cover;

[0008] An air inlet control part, which is detachably connected in the valve body, and an air inlet hole of the air inlet control part is located in the air inlet;

[0009] An air outlet control part, which is in communication with the air inlet control part;

[0010] An air outlet nozzle, which is detachably connected to the rear side of the valve body, and the air outlet nozzle is in communication with the air outlet control part;

[0011] A control unit, which is detachably connected in the valve body, and the control unit is electrically connected with the air inlet control part;

[0012] A battery, which is detachably connected in the valve body, and the battery is electrically connected with the control unit;

[0013] A charging interface, which is detachably connected to the rear side of the valve body, and the charging interface is electrically connected with the control unit;

[0014] The control unit is detachably connected between the side cover and the valve body.

[0015] Further, the air inlet control part comprises a valve core, a rotating column and a rotating switch, the valve body is provided with a mounting hole communicated with the air inlet, the valve core is provided with an adjusting disc at the bottom end, the valve core is detachably connected with the rotating column through the mounting hole at the top end, the rotating column is detachably connected with the rotating switch through the top cover, the rotating switch, the rotating column and the valve core rotate coaxially in the valve body, a plurality of low-pressure air holes with different diameters are arranged in the adjusting disc in a ring shape at equal intervals, and one of the low-pressure air holes is communicated with the air outlet hole of the air outlet control part.

[0016] Further, the air outlet control part comprises an electromagnetic valve, an air passage one, an air passage two, an air passage three and a pressure sensor, the electromagnetic valve is detachably connected in the valve body, the air passage one, the air passage two and the air passage three are located in the valve body, the air inlet hole of the air passage one is communicated with the air inlet, and the air inlet hole of the air passage one is located above one of the low-pressure air holes, the air outlet hole of the air passage one is communicated with the air inlet hole of the electromagnetic valve, one end of the air passage two is communicated with the normally open air hole of the electromagnetic valve, the valve body is provided with a pressure sensor mounting hole, the pressure sensor is detachably connected in the pressure sensor mounting hole, the air passage two is communicated with the pressure sensor mounting hole, the air inlet hole of the air passage three is communicated with the normally closed air outlet hole of the electromagnetic valve, the air outlet hole of the air passage three is communicated with the air outlet nozzle, and the electromagnetic valve and the pressure sensor are electrically connected with the control unit.

[0017] Further, the control unit comprises a button, an indicator light, a display panel and a mainboard, the mainboard is detachably connected in the valve body, the button, the indicator light and the display panel are detachably connected on the side cover, the button, the indicator light and the display panel are electrically connected with the mainboard, and the mainboard is further electrically connected with a battery, a charging interface, the electromagnetic valve and the pressure sensor.

[0018] Further, the valve core is provided with a limiting plane at the top end, the rotating column is provided with a plug hole matched with the limiting plane, and the rotating column is provided with a threaded hole outside, the valve core is inserted into the rotating column, the limiting plane is in contact with the plug hole, a screw is threadedly connected in the threaded hole, and one end of the screw is in contact with the limiting plane.

[0019] Further, the valve core is provided with a sealing groove on the outer circumferential surface, and a sealing ring is embedded in the sealing groove, and the outer ring of the sealing ring is in contact with the inner wall surface of the mounting hole.

[0020] Further, the rotating switch is provided with a digital mark corresponding to the ring-shaped low-pressure air holes on the upper surface, and the top cover is provided with an indicating mark.

[0021] The utility model discloses the beneficial effect is: because adopted the electromagnetic valve, effectively solved the oxygen continuous supply problem, and then realized the oxygen controllable supply.

[0022] Due to the pressure sensor, the control rhythm of the electromagnetic valve can be adjusted in time when the breathing rhythm of the user changes, and the opening and closing of the electromagnetic valve can be automatically linked according to the positive pressure and negative pressure generated by inhalation and exhalation.

[0023] Due to the low-pressure air inlet hole without a hole diameter, the oxygen supply pressure selection is effectively solved, so that the supply amount control problem is solved, and different oxygen supply amounts can be adjusted according to different use habits.

[0024] Due to the connector, the problem of needing to externally connect the air pipe for fixation is effectively solved, the valve body can be directly connected with the air valve of the gas tank through the air inlet hole, and the valve body can be directly connected on the air valve. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model will be further described below in combination with the drawings and examples.

[0026] Figure 1 It is a structural schematic diagram of the utility model.

[0027] Figure 2 It is a top view of the utility model.

[0028] Figure 3 It is a front view of the utility model.

[0029] Figure 4 It is a rear view of the utility model.

[0030] Figure 5 It is a bottom view of the utility model.

[0031] Figure 6 It is a valve body structural schematic diagram of the utility model.

[0032] Figure 7 It is a valve body and valve core connection schematic diagram of the utility model.

[0033] Figure 8 It is a low-pressure air hole and air passage one communication schematic diagram of the utility model.

[0034] Figure 9 It is a air passage one, air passage two and air passage three structural schematic diagram of the utility model.

[0035] In the figure: 1-valve body; 2-air inlet hole; 3-top cover; 4-side cover; 5-air outlet nozzle; 6-battery; 7-charging interface; 8-valve core; 81-limiting plane; 82-screw; 83-sealing ring; 9-rotary column; 10-rotary switch; 101-; digital identification; 102-indication identification; 11-adjusting disc; 110-low pressure air hole; 12-solenoid valve; 13-air passage one; 14-air passage two; 15-air passage three; 16-pressure sensor; 17-button; 18-indicator light; 19-display panel; 20-mainboard. DETAILED DESCRIPTION

[0036] Example 1:

[0037] Reference Figures 1-5 , the utility model embodiment 1 structure schematic diagram, a kind of oxygen supply control valve, comprising:

[0038] Valve body 1, the bottom end of the valve body 1 is provided with air inlet 2, the outer thread is opened outside air inlet 2, and the top end and the front side of valve body 1 are detachably connected top cover 3 and side cover 4 respectively;

[0039] Air inlet control part, the air inlet control part is detachably connected in valve body 1, and the air inlet hole of air inlet control part is located in air inlet 2;

[0040] Air outlet control part, the air outlet control part is communicated with air inlet control part;

[0041] Air outlet nozzle 5, the air outlet nozzle 5 is detachably connected in the rear side of valve body 1, and the air outlet nozzle 5 is communicated with air outlet control part;

[0042] Control unit, the control unit is detachably connected in valve body 1, and the control unit is electrically connected with air inlet control part;

[0043] Battery 6, the battery 6 is detachably connected in valve body 1, and the battery 6 is electrically connected with control unit;

[0044] Charging interface 7, the charging interface 7 is detachably connected in the rear side of valve body 1, and the charging interface 7 is electrically connected with control unit;

[0045] The control unit is detachably connected between side cover 4 and valve body 1.

[0046] Actual use: the valve body 1 is screwed with the gas valve of the oxygen tank through the outer thread of the air inlet 2, and then the gas valve is opened. The oxygen in the tank enters the air inlet 2 through the gas valve, and then enters the air outlet control part through the air inlet control part. Then the control unit is turned on, and the battery 6 provides power for the control unit and the air outlet control part. The air outlet control part is controlled by the control unit to supply air to the air outlet nozzle 5. Then the hose is connected to the air outlet nozzle 5, and the other end of the hose is connected to the breathing mask or breathing nozzle, etc. to provide oxygen for the user. The output of the control unit controls the output of the air outlet control part.

[0047] The battery 6 can be charged by connecting the charging interface 7 to the adapter power supply, so that it can be reused.

[0048] The top cover 3 and the side cover 4 are detachably connected to the valve body 1, which facilitates the disassembly and assembly of the control unit, the air inlet control part and the air outlet control part.

[0049] The oxygen output form can be continuous output and intermittent output, which can be realized by electromagnetic valve and micro air pump.

[0050] Example 2:

[0051] Referring to Figures 1-5 and Figures 7-8 , the difference between this embodiment is that the air inlet control part includes a valve core 8, a rotating column 9 and a rotating switch 10. The valve body 1 has a mounting hole communicating with the air inlet 2. The bottom end of the valve core 8 has an adjusting disc 11. The top end of the valve core 8 is detachably connected to the rotating column 9 through the mounting hole. The rotating column 9 is detachably connected to the rotating switch 10 through the top cover 3. The rotating switch 10, the rotating column 9 and the valve core 8 rotate coaxially in the valve body 1. A plurality of low-pressure air holes 110 of different diameters are arranged in a ring on the adjusting disc 11, and one of the low-pressure air holes 110 communicates with the air inlet hole of the air outlet control part.

[0052] Actual use: the air inlet 2 is communicated with the gas valve of the tank, and then the gas valve is opened. The oxygen enters the air inlet 2, and then enters through one of the low-pressure air holes 110 communicated with the air outlet control part. After passing through the low-pressure air hole 110, it enters the air outlet control part, and then the air outlet control part supplies oxygen. According to different use conditions, the user can adjust the amount of oxygen supplied at one time according to his own condition. By rotating the rotating switch 10, the rotating switch 10 drives the rotating column 9 to rotate, the rotating column 9 drives the valve core 8 to rotate, and the valve core 8 drives the adjusting disc 11 to rotate synchronously when rotating, so as to switch the low-pressure air holes 110 of different diameters on the adjusting disc 11, and then adjust the air outlet according to the communication between different diameters and the air outlet control part.

[0053] Example 3:

[0054] With reference to Figure 1 and Figures 6-9 The difference between the embodiment and the prior art is that the air outlet control part comprises an electromagnetic valve 12, an air passage 1 3, an air passage 2 14, an air passage 3 15 and a pressure sensor 16, the electromagnetic valve 12 is detachably connected in the valve body 1, the air passage 1 3, the air passage 2 14 and the air passage 3 15 are all located in the valve body 1, the air inlet hole of the air passage 1 3 is communicated with the air inlet 2, and the air inlet hole of the air passage 1 3 is located above one of the low-pressure air holes 1 10, the air outlet hole of the air passage 1 3 is communicated with the air inlet hole of the electromagnetic valve 12, one end of the air passage 2 14 is communicated with the normally open air hole of the electromagnetic valve 12, a pressure sensor mounting hole is opened in the valve body 1, the pressure sensor 16 is detachably connected in the pressure sensor mounting hole, the air passage 2 14 is communicated with the pressure sensor mounting hole, the air inlet hole of the air passage 3 15 is communicated with the normally closed air outlet hole of the electromagnetic valve 12, the air outlet hole of the air passage 3 15 is communicated with the air outlet nozzle 5, and the electromagnetic valve 12 and the pressure sensor 16 are electrically connected with the control unit.

[0055] In actual use, oxygen enters the air passage 1 3 and then enters the electromagnetic valve 12, and the air passage 1 3 is communicated with the air inlet hole of the electromagnetic valve 12.

[0056] When inhaling, the air outlet nozzle 5 generates negative pressure, and at the same time, the air passage 3 15 communicated with the air outlet nozzle 5 also generates negative pressure, so that the electromagnetic valve 12 and the air passage 2 14 generate negative pressure through the air passage 3 15, and at the same time, the pressure sensor 16 senses negative pressure and gives an electrical signal to the control unit, indicating that the user is inhaling, and the control unit gives a signal to the electromagnetic valve 12, so that the electromagnetic valve 12 operates, the air inlet hole of the electromagnetic valve 12 is communicated with the normally closed interface, oxygen enters the air passage 3 15 through the electromagnetic valve 12, and then is discharged through the air outlet nozzle 5, thereby providing oxygen for the user. When oxygen is supplied, the pressure sensor 16 will produce slight fluctuation, and the control unit can determine the reason that the oxygen discharge brings about the influence.

[0057] When exhaling, the user exhales gas, so that the oxygen discharged from the air outlet nozzle 5 is pressurized, a large pressure difference is generated, the pressure sensor 16 fluctuates greatly, a positive pressure is formed, the control unit controls the electromagnetic valve 12 to be closed, so that the oxygen supply is closed, and when inhaling again, the electromagnetic valve 12 is opened again.

[0058] Further, the pressure sensor 16 detects the pressure change of the air outlet nozzle 5, so as to determine the breathing state of the user, and the electromagnetic valve 12 is turned on and off to change the supply and cut-off of oxygen.

[0059] In the embodiment, the electromagnetic valve 12 is a V100 series three-way direct-acting electromagnetic valve, which has three interfaces and a power supply interface, has a normally open interface, a normally closed interface and an air inlet hole, and the normally open interface is communicated with the normally closed interface.

[0060] The air passage one 13, the air passage two 14 and the air passage three 15 in the embodiment need to be drilled in two directions or three directions to form the air passage one 13, the air passage two 14 and the air passage three 15 due to the limitation of the processing technology. The excess openings are technically treated by welding or welding or plugging so that the air inlet and air outlet of the air passage one 13, the air passage two 14 and the air passage three 15 are located at reasonable positions.

[0061] Embodiment 4:

[0062] With reference to Figure 1 and Figure 3 The difference of the embodiment is that the control unit comprises a button 17, an indicator light 18, a display panel 19 and a mainboard 20, the mainboard 20 is detachably connected in the valve body 1, the button 17, the indicator light 18 and the display panel 19 are all detachably connected on the side cover 4, the button 17, the indicator light 18 and the display panel 19 are all electrically connected with the mainboard, and the mainboard 20 is also electrically connected with the battery 6, the charging interface 7, the electromagnetic valve 12 and the pressure sensor 16.

[0063] In actual use, the mainboard 20 is started by the button 17, the battery 6 information and the charging state and the sensitivity of the pressure sensor 16 can be displayed through the display panel 19, and the mainboard 20 controls the action of the electromagnetic valve 12 through the signal output by the pressure sensor 16.

[0064] The mainboard 20 is mainly used for data transmission and information processing, and can be adjusted and controlled according to different control requirements.

[0065] The button 17 in the embodiment is a capacitive touch button, which can perform functions such as selection and determination.

[0066] Embodiment 5:

[0067] With reference to Figure 7 The difference of the embodiment is that the valve core 8 is provided with a limiting plane 81 at the top end, the rotating column 9 is provided with a plug hole matched with the limiting plane 81, and the rotating column 9 is provided with a threaded hole, the valve core 8 is inserted into the rotating column 9, the limiting plane 81 is in contact with the plug hole, a screw is screwed in the threaded hole, and one end of the screw 82 is in contact with the limiting plane.

[0068] In actual use, the limiting plane 81 can prevent the rotating column 9 from rotating without driving the valve core 8 to rotate, so that the shape of the connection can be changed by the limiting plane to play the role of a pin key, and the screw 82 can limit the valve core 8 from separating from the rotating column 9.

[0069] Embodiment 6:

[0070] With reference to Figure 7 The difference of the embodiment is that the outer circumferential surface of the valve core 8 is provided with a sealing groove, and a sealing ring 83 is embedded in the sealing groove, and the outer ring of the sealing ring 83 is in contact with the inner wall surface of the mounting hole.

[0071] In actual use, the sealing ring 83 can prevent oxygen from entering the mounting hole and prevent oxygen leakage, and can also control the rotation of the valve core.

[0072] Embodiment 7:

[0073] With reference to Figures 1-2 The difference of the embodiment is that the upper surface of the rotary switch 10 is provided with a digital mark 101 corresponding to the annularly arranged low-pressure air holes 110, and the top cover 3 is provided with an indicating mark 102.

[0074] In actual use, the digital mark 101 is used in cooperation with the indicating mark 102, so that the breathing gear can be accurately adjusted during rotation, so as to adjust the air output.

[0075] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model, and all the changes are within the protection range of the technology.

Claims

1. An oxygen supply control valve characterized by, The utility model relates to a valve body (1) bottom end has the air inlet (2) that opens, the air inlet (2) outside opens the external thread, and valve body (1) top end and its front side face respectively detachable connection top cover (3) and side cover (4); Air inlet control part, air inlet control part detachable connection in valve body (1), and air inlet control part's air inlet hole is located in air inlet (2); Air outlet control part, air outlet control part communicates with air inlet control part; Air outlet nozzle (5), air outlet nozzle (5) detachable connection in valve body (1) rear side face, and air outlet nozzle (5) with air outlet control part communication; Control unit, control unit detachable connection in valve body (1), and control unit with air inlet control part electric connection; Battery (6), battery (6) detachable connection in valve body (1), and battery (6) with control unit electric connection; Charging interface (7), charging interface (7) detachable connection in valve body (1) rear side face, and charging interface (7) with control unit electric connection; The control unit is detachable between the side cover (4) and the valve body (1). The air inlet control part includes: a valve core (8), a rotating column (9) and a rotating switch (10), the valve body (1) is provided with a mounting hole communicating with the air inlet (2), the valve core (8) is provided with an adjusting disc (11) at the bottom end, the valve core (8) is detachably connected with the rotating column (9) through the mounting hole at the top end, the rotating column (9) is detachably connected with the rotating switch (10) through the top cover (3), the rotating switch (10), the rotating column (9) and the valve core (8) rotate coaxially in the valve body (1), a plurality of low-pressure air holes (110) with different diameters are equidistantly arranged on the adjusting disc (11) in a ring shape, and one of the low-pressure air holes (110) communicates with the air inlet hole of the air outlet control part.

2. The oxygen supply control valve according to claim 1, characterized by The air outlet control part includes: a solenoid valve (12), a gas channel one (13), a gas channel two (14), a gas channel three (15) and a pressure sensor (16), the solenoid valve (12) is detachably connected in the valve body (1), the gas channel one (13), the gas channel two (14) and the gas channel three (15) are all located in the valve body (1), the air inlet hole of the gas channel one (13) communicates with the air inlet (2), and the air inlet hole of the gas channel one (13) is located above one of the low-pressure air holes (110), the air outlet hole of the gas channel one (13) communicates with the air inlet hole of the solenoid valve (12), one end of the gas channel two (14) communicates with the normally open air inlet hole of the solenoid valve (12), the valve body (1) is provided with a pressure sensor mounting hole, the pressure sensor (16) is detachably connected in the pressure sensor mounting hole, the gas channel two (14) communicates with the pressure sensor mounting hole, the air inlet hole of the gas channel three (15) communicates with the normally closed air outlet hole of the solenoid valve (12), the air outlet hole of the gas channel three (15) communicates with the air outlet nozzle (5), the solenoid valve (12) and the pressure sensor (16) are electrically connected with the control unit.

3. The oxygen supply control valve according to claim 2, characterized by ​ 4. The oxygen supply control valve according to claim 3, wherein The control unit comprises a button (17), an indicating lamp (18), a display panel (19) and a mainboard (20), the mainboard (20) is detachably connected in the valve body (1), the button (17), the indicating lamp (18) and the display panel (19) are all detachably connected on the side cover (4), the button (17), the indicating lamp (18) and the display panel (19) are all electrically connected with the mainboard, and the mainboard (20) is also electrically connected with the battery (6), the charging interface (7), the electromagnetic valve (12) and the pressure sensor (16).

5. The oxygen supply control valve according to claim 2, wherein The valve core (8) is provided with a limiting plane (81) at the top end, the rotating column (9) is provided with a plug hole matched with the limiting plane, and the rotating column (9) is provided with a threaded hole outside, the valve core (8) is inserted into the rotating column (9), the limiting plane (81) is in contact with the plug hole, and a screw is screwed in the threaded hole, and one end of the screw (82) is in contact with the limiting plane.

6. The oxygen supply control valve according to claim 2, wherein The outer circumferential surface of the valve core (8) is provided with a sealing groove, and the sealing groove is embedded with a sealing ring (83), and the outer ring of the sealing ring (83) is in contact with the inner wall surface of the mounting hole.

7. The oxygen supply control valve according to claim 2, wherein The upper surface of the rotating switch (10) is provided with a digital mark (101) corresponding to the annular low-pressure air hole (110), and the top cover (3) is provided with an indicating mark (102).

Images