CN112870496A

CN112870496A - Paediatrics atomizer

Info

Publication number: CN112870496A
Application number: CN202110067572.1A
Authority: CN
Inventors: 李萍; 温素君
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-06-01

Abstract

The invention provides a pediatric atomizer which comprises a connecting valve, a flow rate control mechanism, a mask butt joint mechanism and a trachea butt joint mechanism. The invention can solve the following problems existing in the use of the pediatric atomizer: a. when the atomizer is used, one end of the air pipe is required to be communicated with the atomizer, the other end of the air pipe is required to be communicated with the mask, so that atomized gas flows into the mouth and nose of a child, wherein the air pipe and the mask are often required to be used for multiple times and are required to be disassembled for cleaning and disinfection, the two ends of the air pipe are simply connected, and the air pipe is pulled when the child is not aware of the air pipe, so that the air pipe is disconnected with the mask or the atomizer, the atomized gas is lost, and medicine waste is caused; b. the air inhalation efficiency of children and infants of different ages is different, and because the flow velocity of the atomizing air can not be controlled, when the inhalation efficiency of children is low, a large amount of atomizing air is wasted, so that the treatment effect is not good.

Description

Paediatrics atomizer

Technical Field

The invention relates to the technical field of medical instruments for children, in particular to a pediatric atomizer.

Background

The atomizer atomizes the test solution. The atomizer is an important part of an atomization system, and the performance of the atomizer has a remarkable influence on the precision of measurement, chemical interference and the like, so that the atomizer is required to have stable spraying, fine and uniform droplets and high atomization efficiency. The medical atomizer is mainly used for treating various upper and lower respiratory system diseases, such as common cold, fever, cough, asthma, sore throat, pharyngitis, rhinitis, bronchitis, pneumoconiosis and other diseases in trachea, bronchus, alveolus and thoracic cavity. The atomized inhalation therapy is an important and effective therapy method in the respiratory system disease therapy, the atomized inhalator is adopted to atomize the liquid medicine into tiny particles, and the medicine enters the respiratory tract and the lung for deposition in a respiratory inhalation mode, thereby achieving the purpose of painless, rapid and effective therapy, and being medical equipment necessary for departments such as internal and external departments of hospitals, pediatrics, ENT departments, dermatology departments, nursing homes and the like.

At present, the following problems exist when the pediatric atomizer is used: a. when the atomizer is used, one end of the air pipe is required to be communicated with the atomizer, the other end of the air pipe is required to be communicated with the mask, so that atomized gas flows into the mouth and nose of a child, wherein the air pipe and the mask are often required to be used for multiple times and are required to be disassembled for cleaning and disinfection, the two ends of the air pipe are simply connected, and the air pipe is pulled when the child is not aware of the air pipe, so that the air pipe is disconnected with the mask or the atomizer, the atomized gas is lost, and medicine waste is caused; b. the air inhalation efficiency of children and infants of different ages is different, and because the flow velocity of the atomizing air can not be controlled, when the inhalation efficiency of children is low, a large amount of atomizing air is wasted, so that the treatment effect is not good.

Disclosure of Invention

Technical problem to be solved

The invention provides a pediatric atomizer, which can solve the following problems existing in the use of the pediatric atomizer: a. when the atomizer is used, one end of the air pipe is required to be communicated with the atomizer, the other end of the air pipe is required to be communicated with the mask, so that atomized gas flows into the mouth and nose of a child, wherein the air pipe and the mask are often required to be used for multiple times and are required to be disassembled for cleaning and disinfection, the two ends of the air pipe are simply connected, and the air pipe is pulled when the child is not aware of the air pipe, so that the air pipe is disconnected with the mask or the atomizer, the atomized gas is lost, and medicine waste is caused; b. the air inhalation efficiency of children and infants of different ages is different, and because the flow velocity of the atomizing air can not be controlled, when the inhalation efficiency of children is low, a large amount of atomizing air is wasted, so that the treatment effect is not good.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme: a pediatric atomizer comprises a connecting valve, a flow rate control mechanism, a mask butt-joint mechanism and a gas pipe butt-joint mechanism, wherein the connecting valve is of a hollow shell structure which is communicated from left to right, the outside of the connecting valve is of a step-shaped round platform structure which is symmetrical from left to right, the diameter of the middle part of the connecting valve is larger than the diameters of two sides of the connecting valve, the flow rate control mechanism is arranged inside the connecting valve, the left port of the connecting valve is connected with a connector, the connector of the connecting valve is in quick sealing butt joint with a mask through the mask butt-joint mechanism, and the right port of the connecting valve is in sealing; wherein:

the flow rate control mechanism comprises a rotating disc, a rotating branched chain, a fixing ring, a rotating ring, a fixing groove, a fixing disc, a fixing frame, a connecting rod, a sealing plate, an auxiliary block, a first fixing pin, a second fixing pin and a sealing ring, wherein the connecting valve is vertically and rotatably provided with the rotating disc, the rotating disc is integrally of a hollow middle circular ring structure, the rotating branched chain is arranged at the upper end of the outer side wall of the rotating disc, the fixing ring is fixedly arranged on the left end surface of the rotating disc along the center of the rotating disc, the other end surface of the fixing ring is fixedly arranged on the rotating ring, the annular fixing groove is formed in the middle left side wall of the connecting valve along the center of the connecting valve, the rotating ring is rotatably arranged in the fixing groove, the fixing disc is arranged in the right end direction of the rotating disc, the fixing disc is of the hollow middle circular ring structure, the edge of the right end face of the fixed disc is uniformly and fixedly provided with a first fixing pin along the central circumference of the edge, the right end face of the fixed disc is uniformly provided with a plurality of sealing plates along the center of the right end face of the fixed disc, one end of the fixing plate is rotatably arranged on the first fixing pin, the plurality of sealing plates form a complete circular plate, an auxiliary block is fixedly arranged on the outer side wall of the sealing plate, which is far away from the center and far away from the first fixing pin, and is rotatably connected with a connecting rod through a pin shaft; the left end of the connecting valve is connected with a mask butt-joint mechanism, and the right end of the connecting valve is connected with an air pipe butt-joint mechanism.

The mask butt-joint mechanism comprises a mounting hole, a first sealing gasket, a limiting groove, a pushing rod, a grab handle, a pushing plate, a reset spring, an extrusion groove, a limiting block and an extrusion spring, wherein the right end face of the mask is provided with the mounting hole along the center thereof, the left end face of the mounting hole is provided with the first sealing gasket, the right end face of the interface of the connecting valve is in extrusion contact with the first sealing gasket, the extrusion groove is uniformly arranged on the peripheral side wall of the interface, the limiting block is arranged in the extrusion groove in a sliding manner, the extrusion spring is arranged between the limiting block and the extrusion groove, the limiting groove is uniformly arranged on the peripheral side wall in the mounting hole in a circumferential manner, the outer end of the limiting block is positioned in the limiting groove, the pushing plate is arranged in the limiting groove in a sliding manner, the pushing plate is positioned in, a grab handle is fixedly mounted at the upper end of the push rod, a reset spring is sleeved on the push rod and is located between the push plate and the limiting groove.

Preferably, the trachea docking mechanism includes a docking hole, a mounting ring, a mounting rod, a ring groove, a limiting disc, a connecting ring, a limiting rod and a second sealing pad, the right end face of the connecting valve is provided with the docking hole along the center thereof, the left end face of the docking hole is provided with the second sealing pad, one end of the trachea penetrates the docking hole to be in extrusion contact with the second sealing pad, the mounting ring is fixedly sleeved on the outer side wall of the trachea, the mounting rod is uniformly fixed on the outer side wall of the mounting ring along the circumferential direction, the right end face of the connecting valve is provided with the ring groove by taking the docking hole as the center, the limiting disc is arranged in the ring groove in a rotating manner, the right end face of the limiting disc is fixed with the connecting ring, the right end face of the connecting ring is positioned on the right side direction of the connecting valve, the limiting rod is uniformly fixed on the, and is in press-contact fit.

Preferably, the rotation branch chain include turning block, rotation handle, rotation groove, installation piece and sealed piece, turning disc lateral wall upper end department is fixed with the turning block, the rotation groove has been seted up to the connecting valve up end, the turning block upper end is passed and is rotated the groove, and upper end fixed mounting has the rotation handle, fixed mounting has the installation piece on the turning block, the installation piece is located the connecting valve, the installation piece is whole to be the arc surface structure, sealed piece is installed to installation piece up end, sealed piece contacts with the connecting valve top inner wall, sealed piece will rotate the sealed shutoff of port under the groove all the time.

Preferably, a sealing strip is fixedly installed on the side wall of the adjacent joint of the sealing plates, and the adjacent sealing plates are in contact and sealed fit with each other through the sealing strip.

Preferably, the end face of the outer end of the limiting block towards the left side is an inclined face, and the inclined face gradually inclines outwards from left to right.

Preferably, the fixing frame is of a U-shaped structure, a plurality of fixing frames are circumferentially and uniformly and fixedly connected to the inner side wall of the fixed disc, and the other end of each fixing frame penetrates through the rotating disc and is fixedly mounted on the inner side wall of the connecting valve.

Preferably, rolling steel balls for reducing friction force are uniformly arranged in the fixing groove.

(III) advantageous effects

1. The invention provides a pediatric atomizer, which can solve the following problems existing in the use of the pediatric atomizer: a. when the atomizer is used, one end of the air pipe is required to be communicated with the atomizer, the other end of the air pipe is required to be communicated with the mask, so that atomized gas flows into the mouth and nose of a child, wherein the air pipe and the mask are often required to be used for multiple times and are required to be disassembled for cleaning and disinfection, the two ends of the air pipe are simply connected, and the air pipe is pulled when the child is not aware of the air pipe, so that the air pipe is disconnected with the mask or the atomizer, the atomized gas is lost, and medicine waste is caused; b. the air inhalation efficiency of children and infants of different ages is different, and because the flow velocity of the atomizing air can not be controlled, when the inhalation efficiency of children is low, a large amount of atomizing air is wasted, so that the treatment effect is not good.

2. The flow rate control mechanism designed by the invention utilizes the transmission principle of the connecting rod to control the sealing plate to rotate on the fixed disk, so that the sealing plate can be rotatably opened and closed, then the rotating branch chain is used for controlling the rotating disk to rotate, the rotating disk drives one end of the connecting rod to rotate, the other end of the connecting rod is rotatably connected with the auxiliary block to drive the sealing plate to rotate, and further the sealing plate is controlled to rotate, so that the rotating branch chain can be used for controlling any rotating angle of the sealing plate, the flow rate of atomized gas can be controlled by the sealing plate through the size of an opened space, and the flow rate.

3. According to the mask butt-joint mechanism designed by the invention, the inclined surface is in contact with and extrudes the inner wall of the mounting hole when the interface moves towards the mounting hole by utilizing the characteristics of the spring and the action of the inclined surface of the limiting block, so that the limiting block moves towards the direction of compressing the extrusion spring, the elastic action of the extrusion spring is utilized to push the limiting block to move into the limiting groove, and therefore, the rapid butt-joint locking is realized, and then the limiting block moves the extrusion groove by utilizing the reset spring, the interface is moved, and the mask is separated from the interface.

4. The air pipe butt joint mechanism designed by the invention realizes the limiting and loosening of the installation rod by utilizing the limiting action between the rods and rotating and staggering mode, and fixes and limits the air pipe at the right end of the connecting valve.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a three-dimensional block diagram of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a first perspective three-dimensional block diagram of a flow control mechanism according to the teachings of the present invention;

FIG. 4 is a second perspective three-dimensional block diagram of a flow rate control mechanism according to the teachings of the present invention;

FIG. 5 is a three-dimensional block diagram of the gas tube docking mechanism in the present description;

FIG. 6 is an enlarged view of a portion of FIG. 2;

FIG. 7 is an enlarged view of a portion of FIG. 2 taken at B in the present specification;

FIG. 8 is an enlarged view of a portion of FIG. 2 at C in accordance with the teachings of the present invention;

fig. 9 is a three-dimensional view of a sealing plate in the present specification.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 9, a paediatrics atomizer, including connecting valve 1, velocity of flow control mechanism 2, face guard docking mechanism 3 and trachea docking mechanism 4, connecting valve 1 be for controlling the hollow shell structure who link up, connecting valve 1 outside is bilateral symmetry's step form round platform structure, and the middle part diameter is greater than both sides diameter, connecting valve 1 is inside to be provided with velocity of flow control mechanism 2, connecting valve 1 left side port is connected with interface 11, connecting valve 1's interface 11 passes through face guard docking mechanism 3 and the quick sealed butt joint of face guard, connecting valve 1 right-hand port passes through trachea docking mechanism 4 and the sealed butt joint of trachea mutually.

The face guard docking mechanism 3 include mounting hole 31, sealed pad 32, spacing groove 33, catch bar 34, grab handle 35, slurcam 36, reset spring 37, extrude groove 38, stopper 39 and extrude spring 30, the mounting hole 31 has been seted up along its center to the face guard right-hand member face, sealed pad 32 is installed to the mounting hole 31 left end face, the 11 right-hand member face of interface of connecting valve 1 and sealed pad 32 looks extrusion contact, 11 lateral wall circumference of interface has evenly seted up and has extruded groove 38, it is provided with stopper 39 to slide in the groove 38 to extrude, be provided with between stopper 39 and the extrusion groove 38 and extrude spring 30, the terminal surface of stopper 39 outer end towards the left side direction sets up to the inclined plane, the inclined plane is for leaning out gradually from left side to right, spacing groove 33 has evenly been seted up to circumference on the mounting hole 31 inside wall, stopper 39 outer ends are located spacing groove 33, sliding in the spacing groove 33 and being provided with push plate 36, push plate 36 is located the outside direction of stopper 39, push plate 36 upper end is fixed with catch bar 34, catch bar 34 upper end slides and passes the face guard, catch bar 34 upper end fixed mounting has grab handle 35, the cover is equipped with reset spring 37 on the catch bar 34, reset spring 37 is located between push plate 36 and the spacing groove 33.

When the mask is in specific work, the interface 11 at the left end of the connecting valve 1 is aligned with the mounting hole 31 and is movably mounted, when the inclined surface of the limit block 39 on the outer side wall of the interface 11 is contacted with the edge of the mounting hole 31 at the right end of the mask, the limit block 39 is used for extruding the extrusion spring 30, so that the limit block 39 slides rightwards into the extrusion groove 38, the extrusion spring 30 is in a compressed state, then when the right end of the interface 11 is in extrusion sealing fit with the first sealing gasket 32 in the mounting hole 31, the limit block 39 is moved to the limit groove 33, under the action of the extrusion spring 30, the limit block 39 is moved into the limit groove 33, so that the interface 11 is quickly butted on the mask, meanwhile, the atomized gas is prevented from losing through the first sealing gasket 32, when the mask needs to be dismounted, the grab handle 35 is manually pressed, the push rod 34 is moved towards the limit groove 33, so that the stop 39 is compressed back into the extrusion slot 38 and the mask can then be easily removed, while the push plate 36 will be brought to its initial position under the action of the return spring 37.

Trachea docking mechanism 4 including butt joint hole 41, collar 42, installation pole 43, ring channel 44, spacing dish 45, go-between 46, gag lever post 47 and No. two sealed

pad

48, 1 right-hand member face of connecting valve has seted up butt joint hole 41 along its center, No. two sealed pad 48 are installed to butt joint hole 41 left end face, trachea one end is passed butt joint hole 41 and is sealed pad 48 looks extrusion contact with No. two, fixed cover is equipped with collar 42 on the trachea lateral wall, circumference evenly is fixed with installation pole 43 on the collar 42 lateral wall, the collar channel 44 has been seted up for the center with butt joint hole 41 to the collar 1 right-hand member face of connecting valve 1, the ring channel 44 internal rotation is provided with spacing dish 45, spacing dish 45 right-hand member face is fixed with collar 46, collar 46 right-hand member face is located connecting valve 1 right side upwards, collar 46 right-hand member face evenly is fixed with gag lever 47 along, the gag lever post 47 is L type structure, the installation pole 43 is located gag lever post 47L type structure, and for the extrusion contact cooperation.

During specific work, aim at trachea one end in butt joint hole 41, and make the trachea port extrusion conflict No. two sealed pad 48, then rotate go-between 46, make go-between 46 pass through spacing dish 45 and rotate in ring channel 44, go-between 46 drives gag lever post 47 and rotates in step simultaneously, make the L type structure department of gag lever post 47 rotate installation pole 43 department, and make gag lever post 47 extrusion conflict installation pole 43, avoid the trachea to break away from butt joint hole 41 through installation pole 43, fix spacing at junction valve 1 right-hand member department through gag lever post 47, when needs are dismantled, rotate go-between 46 once more, make gag lever post 47 break away from spacing to installation pole 43, then just can take out the trachea easily.

The flow rate control mechanism 2 comprises a rotating disc 21, a rotating branched chain 22, a fixing ring 23, a rotating ring 24, a fixing groove 25, a fixing disc 26, a fixing frame 27, a connecting rod 28, a sealing plate 29, an auxiliary block 210, a first fixing pin 211, a second fixing pin 212 and a sealing ring 213, the rotating disc 21 is vertically and rotatably arranged in the connecting valve 1, the rotating disc 21 is integrally of a hollow-middle circular ring structure, and the rotating branched chain 22 is arranged at the upper end of the outer side wall of the rotating disc 21; the rotating branched chain 22 comprises a rotating block 221, a rotating handle 222, a rotating groove 223, an installation block 224 and a sealing block 225, the rotating block 221 is fixed at the upper end of the outer side wall of the rotating disc 21, the rotating groove 223 is formed in the upper end face of the connecting valve 1, the upper end of the rotating block 221 penetrates through the rotating groove 223, the rotating handle 222 is fixedly installed at the upper end of the rotating block 221, the installation block 224 is fixedly installed on the rotating block 221, the installation block 224 is located in the connecting valve 1, the installation block 224 is integrally of an arc surface structure, the sealing block 225 is installed on the upper end face of the installation block 224, the sealing block 225 is in contact with the inner wall of the top of the connecting valve 1, and the sealing block 225 seals and blocks the lower port of the rotating groove 223; a fixing ring 23 is fixedly installed on the left end face of the rotating disc 21 along the center of the left end face, the other end face of the fixing ring 23 is fixedly installed on a rotating ring 24, an annular fixing groove 25 is formed in the middle left side wall in the connecting valve 1 along the center of the left side wall, the rotating ring 24 is rotatably installed in the fixing groove 25, rolling steel balls for reducing friction force are uniformly installed in the fixing groove 25, a fixing disc 26 is arranged in the right end direction of the rotating disc 21, the fixing disc 26 is of a hollow ring structure in the middle, the fixing disc 26 and the rotating disc 21 are concentrically arranged, the fixing disc 26 is fixedly installed on the inner wall of the connecting valve 1 through a fixing frame 27, the whole fixing frame 27 is of a U-shaped structure, a plurality of fixing frames 27 are uniformly and fixedly connected on the inner side wall of the fixing disc 26 in the circumferential direction, and the other, a first fixing pin 211 is uniformly fixed at the edge of the right end face of the fixed disk 26 along the central circumference thereof, a plurality of sealing plates 29 are uniformly arranged on the right end surface of the fixed disc 26 along the center thereof, one end of the fixed plate is rotatably arranged on a first fixing pin 211, a plurality of sealing plates 29 form a complete circular plate, the outer side wall of the sealing plate 29 away from the center and the first fixing pin 211 is fixedly provided with an auxiliary block 210, the auxiliary block 210 is rotatably connected with the connecting rod 28 through a pin shaft, a second fixing pin 212 is uniformly and fixedly installed at the edge of the right end face of the rotating disc 21 along the central circumference thereof, the other end of the connecting rod 28 is rotatably connected to the second fixing pin 212, the connecting rod 28 is integrally of an arc-shaped structure which is bent towards the outer side of the fixed disc 26, the right end of the middle inner part of the connecting valve 1 is fixedly provided with a sealing ring 213, and the other end surface of the sealing ring 213 is in sealing contact with the right end surface of the sealing plate 29; the left end of the connecting valve 1 is connected with a mask butt-joint mechanism 3, and the right end of the connecting valve is connected with an air pipe butt-joint mechanism 4.

When the mask is in specific work, when atomizing gas flows to the mask through the gas pipe, the rotating handle 222 is manually held, the rotating handle 222 drives the rotating block 221 to move along the rotating groove 223, so that the rotating disc 21 is driven to rotate, the rotating block 221 can drive the sealing block 225 on the mounting block 224 to synchronously move when moving, the sealing block 225 is always in sealing contact with the lower port of the rotating groove 223, the sealing performance of the connecting valve 1 and the outside is ensured, the atomizing gas in the connecting valve 1 flows out, unnecessary waste is caused, the rotating disc 21 can drive the fixing ring 23 to synchronously rotate, the fixing ring 23 is mounted on the rotating ring 24, the rotating ring 24 rotates in the fixing groove 25, meanwhile, rolling steel balls are arranged in the fixing groove 25, the friction force generated when the rotating ring 24 rotates in the fixing groove 25 can be effectively reduced, and the rotating disc 21 can rotate more smoothly; the fixed frame 27 is fixed on the inner wall of the connecting valve 1 by the fixed disc 26, wherein the fixed frame 27 is of a U-shaped structure, which effectively prevents the fixed frame 27 from contacting with the rotating disc 21 to cause interference of parts, and simultaneously ensures that the fixed disc 26 is in a static state when the rotating disc 21 rotates, then the first fixed pin 211 on the rotating disc 21 synchronously rotates along with the rotating disc 21, so that the first fixed pin 211 drives the connecting rod 28 to move, the other end of the connecting rod 28 is rotationally connected with the auxiliary block 210 through a pin shaft, so that the connecting rod 28 drives the auxiliary block 210 to move, and the auxiliary block 210 drives the sealing plate 29 to move, because one end of the sealing plate 29 is rotationally mounted on the fixed disc 26 through the second fixed pin 212, the sealing block 225 can only rotate through the second fixed pin 212, so that the atomized gas flows towards the mask through the, the size of the opening circulation hole of the sealing plate 29 is controlled, and the flow speed of the atomizing gas is changed. Wherein, a sealing ring 213 is arranged on the right end face of the middle part of the connecting valve 1, and the sealing ring 213 is in sealing contact with the sealing plate 29, so as to prevent the atomizing gas from flowing out through the gap between the sealing plate 29 and the connecting valve 1.

A sealing strip 29a is fixedly installed on the side wall of the adjacent joint of the sealing plates 29, the sealing plates 29 are in contact and matched with each other in a sealing mode through the sealing strip 29a, the sealing strip 29a is arranged, and when the adjacent sealing plates 29 are in contact and closed to block the circulation of atomized gas, the atomized gas flows out through the gap of the joint.

The method comprises the following specific steps during working:

the first step is as follows: the interface 11 at the left end of the connecting valve 1 is in quick sealing butt joint with a mask through a mask butt joint mechanism 3, then the right end of the connecting valve 1 is in quick butt joint with an air pipe through an air pipe butt joint mechanism 4, and then the other end of the air pipe is communicated with an atomizer;

the second step is that: starting the atomizer to enable the atomizer to generate atomized gas and flow out of the connecting valve 1 through the gas pipe;

the third step: the flow rate control mechanism 2 in the connecting valve 1 is controlled by rotating the branched chain 22, and the proper flow rate of the atomizing gas is selected, flows to the face mask through the connecting valve 1 and finally flows to the mouth and the nose of the child through the face mask.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a paediatrics atomizer, includes connecting valve (1), flow rate control mechanism (2), face guard docking mechanism (3) and trachea docking mechanism (4), its characterized in that: the connecting valve (1) is of a hollow shell structure which is through from left to right, the outside of the connecting valve (1) is of a bilaterally symmetrical step-shaped circular truncated cone structure, the diameter of the middle part of the connecting valve is larger than the diameters of the two sides of the connecting valve, a flow rate control mechanism (2) is arranged inside the connecting valve (1), the left port of the connecting valve (1) is connected with a connector (11), the connector (11) of the connecting valve (1) is in quick sealing butt joint with a mask through a mask butt joint mechanism (3), and the right port of the connecting valve (1) is in sealing butt joint with a gas pipe through a gas pipe butt joint mechanism (; wherein:

the flow rate control mechanism (2) comprises a rotating disc (21), a rotating branched chain (22), a fixing ring (23), a rotating ring (24), a fixing groove (25), a fixing disc (26), a fixing frame (27), a connecting rod (28), a sealing plate (29), an auxiliary block (210), a first fixing pin (211), a second fixing pin (212) and a sealing ring (213), wherein the rotating disc (21) is vertically arranged in the connecting valve (1) in a rotating mode, the rotating disc (21) is integrally of a hollow-middle circular ring structure, the rotating branched chain (22) is arranged at the upper end of the outer side wall of the rotating disc (21), the fixing ring (23) is fixedly arranged on the left end face of the rotating disc (21) along the center of the left end face, the other end face of the fixing ring (23) is fixedly arranged on the rotating ring (24), the annular fixing groove (25) is formed in the middle left, the rotating ring (24) is rotatably installed in the fixing groove (25), a fixing disc (26) is arranged in the right end direction of the rotating disc (21), the fixing disc (26) is of a middle hollow circular ring structure, the fixing disc (26) and the rotating disc (21) are concentrically arranged, the fixing disc (26) is fixedly installed on the inner wall of the connecting valve (1) through a fixing frame (27), a first fixing pin (211) is uniformly fixed at the edge of the right end face of the fixing disc (26) along the central circumferential direction of the edge, a plurality of sealing plates (29) are uniformly arranged at the right end face of the fixing disc (26) along the central direction of the edge, one end of each fixing plate is rotatably installed on the first fixing pin (211), a plurality of sealing plates (29) form a complete circular plate, and an auxiliary block (210) is fixedly installed on the outer side wall of each sealing plate (29) far away, the auxiliary block (210) is rotatably connected with the connecting rod (28) through a pin shaft, a second fixing pin (212) is uniformly and fixedly installed at the edge of the right end face of the rotating disc (21) along the circumferential direction of the center of the edge, the other end of the connecting rod (28) is rotatably connected to the second fixing pin (212), the connecting rod (28) is integrally of an arc-shaped structure bent towards the outer side of the fixed disc (26), a sealing ring (213) is fixedly installed at the right end inside the middle of the connecting valve (1), and the other end face of the sealing ring (213) is in sealing contact with the right end face of the sealing plate (29); the left end of the connecting valve (1) is connected with a mask butt-joint mechanism (3), and the right end is connected with an air pipe butt-joint mechanism (4);

the mask butt-joint mechanism (3) comprises a mounting hole (31), a first sealing gasket (32), a limiting groove (33), a push rod (34), a grab handle (35), a push plate (36), a reset spring (37), an extrusion groove (38), a limiting block (39) and an extrusion spring (30), the mounting hole (31) is formed in the right end face of the mask along the center of the mask, the first sealing gasket (32) is mounted on the left end face of the mounting hole (31), the right end face of an interface (11) of the connecting valve (1) is in extrusion contact with the first sealing gasket (32), the extrusion groove (38) is uniformly formed in the circumferential direction of the outer side wall of the interface (11), the limiting block (39) is arranged in the extrusion groove (38) in a sliding manner, the extrusion spring (30) is arranged between the limiting block (39) and the extrusion groove (38), and the uniform limiting groove (33) is formed, stopper (39) outer end is located spacing groove (33), it is provided with slurcam (36) to slide in spacing groove (33), slurcam (36) are located stopper (39) outside direction, slurcam (36) upper end is fixed with catch bar (34), the face guard is passed in catch bar (34) upper end slip, catch bar (34) upper end fixed mounting has grab handle (35), the cover is equipped with reset spring (37) on catch bar (34), reset spring (37) are located between catch bar (36) and spacing groove (33).

2. A pediatric nebulizer as defined in claim 1 wherein: trachea docking mechanism (4) including butt joint hole (41), collar (42), installation pole (43), ring channel (44), spacing dish (45), go-between (46), gag lever post (47) and No. two sealed pad (48), connection valve (1) right-hand member face has seted up butt joint hole (41) along its center, No. two sealed pad (48) are installed to butt joint hole (41) left end face, trachea one end is passed butt joint hole (41) and is sealed the pad (48) with No. two and extrude the contact mutually, fixed cover is equipped with collar (42) on the trachea lateral wall, circumference evenly is fixed with installation pole (43) on collar (42) lateral wall, connection valve (1) right-hand member face uses butt joint hole (41) to set up ring channel (44) as the center, ring channel (44) internal rotation is provided with spacing dish (45), spacing dish (45) right-hand member face is fixed with go-between (46), go up the go-between (46) right-hand member is located connecting valve (1) right side direction, go-between (46) right-hand member face evenly is fixed with gag lever post (47) along its central circumference, gag lever post (47) are L type structure, installation pole (43) are located gag lever post (47) L type structure, and for the extrusion contact cooperation.

3. A pediatric nebulizer as defined in claim 1 wherein: rotate branch chain (22) including turning block (221), rotation handle (222), rotation groove (223), installation piece (224) and sealed piece (225), carousel (21) lateral wall upper end department is fixed with turning block (221), rotation groove (223) have been seted up to connecting valve (1) up end, turning block (221) upper end is passed and is rotated groove (223), and upper end fixed mounting has rotation handle (222), fixed mounting has installation piece (224) on turning block (221), installation piece (224) are located connecting valve (1), installation piece (224) are whole to be the arc surface structure, sealed piece (225) are installed to installation piece (224) up end, sealed piece (225) contact with connecting valve (1) top inner wall, sealed piece (225) will rotate groove (223) down port seal throughout and plug up.

4. A pediatric nebulizer as defined in claim 1 wherein: sealing strips (29a) are fixedly mounted on the side walls of adjacent connecting positions of the sealing plates (29), and the adjacent sealing plates (29) are in contact and are in sealing fit with each other through the sealing strips (29 a).

5. A pediatric nebulizer as defined in claim 1 wherein: the terminal surface of stopper (39) outer end towards left side direction set up to the inclined plane, the inclined plane is for turning right from a left side and outwards leaning gradually.

6. A pediatric nebulizer as defined in claim 1 wherein: the whole U type structure that is of mount (27), a plurality of mounts (27) of the even fixedly connected with of circumference on fixed disk (26) inside wall, mount (27) other end pass rolling disc (21) fixed mounting in on the inside wall of connecting valve (1).

7. A pediatric nebulizer as defined in claim 1 wherein: and rolling steel balls for reducing friction force are uniformly arranged in the fixing groove (25).