Simple respiratorTechnical Field
The invention relates to the technical field of respirators, in particular to a simple respirator.
Background
The simple respirator is also called a pressurized oxygen supply air bag, is a first aid device for maintaining the simplest manual ventilation, has the advantages of portability and convenient use, has the advantages of ventilation of oxygen sources or not, is commonly used for important occasions such as on-site first aid, transportation of serious patients in a hospital and the like, and is composed of ten component structures of a face mask, a one-way valve (duckbill valve), an exhalation valve, a pressure safety valve, a ball/air bag, an air inlet valve, an air storage valve, an oxygen storage safety valve, an oxygen storage bag and an oxygen connecting port respectively.
According to the standard of the special requirement of the simple respirator, the simple respirator is provided with three types of infants, children and adults, wherein the volumes of the air bags are about 280ml, 500ml and 1500ml respectively, the tidal volume, the frequency and the airway pressure of different age groups are respectively larger than 600ml for adults and 10-12 times per minute, the pressure is less than 60cm H20, the tidal volume of the infants is 15ml/kg, the frequency of the children is 16-20 times per minute, the frequency of the infants is 35 times per minute, and the pressure is less than 40cm H20.
Because the gas supply amount of adults and children is different, the existing simple respirator is generally provided with different air bags and face masks respectively, meanwhile, medical staff is required to adopt different frequencies and forces for pressing the air bags, when pre-hospital first aid is carried out, if the situations of patients cannot be clarified or the situations of large accidents and more injuries are caused, the simple respirator for adults and children are required to be provided, on one hand, the situation that the device is not provided completely can occur, rescue time is delayed, the lives of patients are endangered, and the workload and the working difficulty of the medical staff are increased, so that the simple respirator is provided.
Disclosure of Invention
The invention aims to solve the problems that when pre-hospital first aid is carried out, if the condition of a patient cannot be clarified or the condition of more injuries caused by large accidents is not clear, the simple breathing apparatus for adults and children needs to be arranged at the same time, on one hand, the condition that the device is not fully arranged can occur, the rescuing time is delayed, the life of the patient is endangered, and the workload and the working difficulty of medical staff are increased.
The invention adopts the following technical scheme for realizing the purposes:
The simple respirator comprises a respirator support, wherein an air bag separation cavity is fixedly arranged at the top of the respirator support, air feeding bags are fixedly arranged at two sides of the air bag separation cavity, an air inlet valve is fixedly arranged at one end of each air feeding bag, an air storage valve and an oxygen pipe are fixedly arranged at one side of each air inlet valve, one oxygen storage bag is fixedly arranged at one end of each air storage valve and one oxygen pipe, one three-way air delivery pipe is fixedly arranged at the other end of each air feeding bag, pressure valves and control valves are arranged at two ends, close to the two air feeding bags, of each three-way air delivery pipe, one end, far away from the air feeding bags, of each air feeding bag is fixedly provided with a one-way valve, and a mask component is arranged at the bottom end of each one-way valve;
The mask assembly is used for being respectively adjusted into two masks of children and adults according to the age of a patient;
The mask assembly comprises a butt joint pipe sleeved at the bottom end of the one-way valve, an inner ring air bag cover is fixedly arranged at the bottom end of the butt joint pipe, a first shaping ring is fixedly arranged at the bottom of the inner ring air bag cover, an outer ring air bag cover is fixedly arranged at the bottom of the first shaping ring, a second shaping ring is fixedly arranged at the bottom of the outer ring air bag cover, a communicating pipe and an air blowing pipe are fixedly arranged at the top of the inner ring air bag cover, an interface matched with the communicating pipe is arranged at the top of the outer ring air bag cover, one sides of the communicating pipe and the air blowing pipe are bolted with plug covers matched with the communicating pipe and the air blowing pipe respectively, a plurality of plastic strips are fixedly arranged between the butt joint pipe and the first shaping ring and between the first shaping ring and the second shaping ring, and are respectively positioned inside the inner ring air bag cover and the outer ring air bag cover and uniformly distributed along the axis of the butt joint pipe.
Further, the top of respirator support rotates and installs the steering bull stick, the top and the bottom of steering bull stick all are fixed to be cup jointed the mounted frame, two the mounted frame is all rotated and is installed miniature electric putter in one side that is close to each other, two miniature electric putter's flexible end is close to each other and equal fixed mounting has the thrust plate, two the air feeding sacculus is located two between the thrust plate, the top fixed mounting of respirator support has the fixed bolster, one side fixed mounting of fixed bolster has the locating sleeve, the steering bull stick rotates and installs the inside of locating sleeve, the equal fixed mounting in top and bottom both sides of locating sleeve has the spacing, is located two fixed mounting spacing guide arm between the spacing of same one side, two spacing guide arm is located respectively locating sleeve's top and bottom one side, miniature electric putter is close to one side that the steering bull stick is equal fixed mounting has the locating telescopic handle, locating telescopic handle's flexible end is all fixed mounting has spacing sliding sleeve, two the spacing sliding sleeve is cup jointed respectively in two spacing guide arm.
Further, a hanging plate is fixedly installed on one side of the limiting frame, a side magnetic attraction plate and a frequency modulation switch are fixedly installed on one side, close to the limiting sliding sleeve, of the hanging plate, a magnetic block is fixedly installed on one side, close to each other, of the limiting sliding sleeve, and the magnetic blocks located on the same side correspond to the positions of the side magnetic attraction plate and the frequency modulation switch.
Further, the top and the bottom of the air bag separation cavity are fixedly provided with a forward magnetic suction plate, and the forward magnetic suction plate corresponds to the air pushing pressure plate in position.
Further, a plurality of friction strips which are uniformly distributed are fixedly arranged on the peripheral side of the air feeding balloon.
Further, a blowing nozzle is bolted to one side of the blowing pipe, and the blowing nozzle is matched with the blowing pipe.
Further, a plurality of inner ring magic tapes are fixedly arranged at the top of the inner ring air bag cover, a plurality of outer ring magic tapes are fixedly arranged at the top of the outer ring air bag cover, and the positions of the outer ring magic tapes and the inner ring magic tapes correspond to each other.
Further, an elastic sleeve rope is arranged at the bottom of the outer ring air bag cover, two ends of the elastic sleeve rope are respectively and fixedly arranged at two sides of the top of the outer ring air bag cover, and two ends of the elastic sleeve rope are respectively positioned between two adjacent outer ring magic tapes.
The beneficial effects of the invention are as follows:
1. According to the invention, the two air supply balloons are arranged, when the breathing device is used, the corresponding air supply balloons can be pressed to assist a patient to breathe, and because the two air supply balloons and valve components such as the matched pressure valve and the control valve are different in specification, the air supply quantity of the two air supply balloons each time can respectively correspond to the air supply quantity of an adult and a child, and the original respirators with different specifications are integrated into the same respirator, so that the risk of incomplete breathing of the respirators in the rescue process is effectively avoided;
2. According to the invention, the mask assembly is arranged, so that the inner ring air bag cover and the outer ring air bag cover can be bulged to form a bowl-shaped mask when facing an adult patient, and the communicating pipe is pulled out from the joint when facing a child patient, so that the outer ring air bag cover is folded at the top of the inner ring air bag cover, the inner ring air bag cover is independently used as the mask, the size of the mask is reduced, and the shape and the specification of the mask assembly can be changed according to the age of the patient;
3. According to the invention, the plastic strips are arranged, so that after the mask component is inflated and unfolded, the inner ring air bag cover and the outer ring air bag cover can be adjusted to the required shapes by bending the plastic strips, the first shaping ring and the second shaping ring, the inner ring air bag cover and the outer ring air bag cover (or the independent inner ring air bag cover) can be more attached to the face of a patient, the gas leakage at the joint between the mask and the face of the patient is reduced, and the normal use of the respirator is ensured;
4. According to the invention, the air pushing pressure plates are arranged, so that when the air feeding balloon is required to be pressed, the hanging frame can be rotated to enable the two air pushing pressure plates to synchronously and parallelly move to the top and the bottom of the air feeding balloon, then the two miniature electric push rods respectively drive the two air pushing pressure plates to move up and down, and the air feeding balloon is mechanically pressed, so that manual pressing is replaced, the accurate control of the air transmission quantity can be improved, and the fatigue strength of medical staff can be reduced;
5. According to the invention, the frequency modulation switch is arranged, so that when the air pushing plates move towards the air feeding balloons on two sides respectively, the two magnetic blocks are contacted with the side magnetic suction plates and the frequency modulation switch on one side of the air pushing plates, and are adsorbed and fixed by the side magnetic suction plates, thereby effectively avoiding the air pushing plates from sliding to influence the accuracy of air transmission quantity control, and simultaneously triggering the frequency modulation switch at the position, adjusting the pressing frequency and the pressing depth of the current air pushing plates, and realizing the adjustment and control of air feeding quantity;
6. According to the invention, the positive magnetic suction plate is arranged, so that the air pushing pressure plate is rotated to a position between the two air feeding balloons, and then the two miniature electric push rods drive the air pushing pressure plate to be in contact with the two positive magnetic suction plates, so that the air pushing pressure plate is adsorbed and fixed by the positive magnetic suction plate, further, the two air pushing pressure plates are prevented from shaking, the storage is convenient, meanwhile, after the air pushing pressure plate is fixed, the air feeding balloons can be conveniently pressed manually by medical staff, and various use requirements of the respirator are met;
7. According to the invention, the blowing nozzle is arranged, so that when no inflation tool is arranged on the emergency site, the blowing nozzle on one side of the blowing pipe can be taken down and plugged into one end of the blowing pipe, the blowing nozzle is in butt joint with the blowing pipe, and then medical staff blows air into the inner ring air bag cover and the outer ring air bag cover through the blowing nozzle and the blowing pipe, so that emergency inflation of the outer ring magic tape and the outer ring air bag cover is realized, and the influence on emergency work is avoided;
8. according to the invention, the inner ring magic tape and the outer ring magic tape are arranged, so that when the mask component is replaced by the specification of a child from the specification of an adult, the shrunken outer ring air bag cover can be folded at the top of the inner ring air bag cover, the inner ring magic tape and the outer ring magic tape are mutually adhered in a butt joint manner, the outer ring air bag cover is fixed, and the influence on the normal use of the mask component is avoided;
9. according to the invention, the elastic sleeve rope is arranged, so that the elastic sleeve rope can be sleeved on the head of a patient, the mask assembly after shaping can be closely attached to the face of the patient under the elastic action of the elastic sleeve rope, and meanwhile, after the outer ring air bag cover is folded and fixed on the inner ring air bag cover, part of the two ends of the elastic sleeve rope is folded at the top of the inner ring air bag cover, so that the length of the elastic sleeve rope is shortened, and the length of the elastic sleeve rope can be more suitable for the head shape of a child.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the mating three-dimensional structure of the respirator support and the balloon-giving bag of the present invention;
FIG. 3 is a schematic perspective view of a balloon according to the present invention;
FIG. 4 is a schematic perspective view of a mask assembly of the present invention;
FIG. 5 is a schematic view showing the internal perspective structure of the inner and outer ring airbag covers of the present invention;
FIG. 6 is a schematic view of a three-dimensional structure of a respirator bracket and a miniature electric push rod of the invention;
FIG. 7 is a schematic diagram of a three-dimensional structure of the direction-adjusting rotating rod and the miniature electric push rod in the invention;
FIG. 8 is a schematic view of a three-dimensional structure of the positioning sleeve and the limit guide rod of the invention;
The air bag type air conditioner comprises the following components of 1, a respirator bracket, 2, an air bag separation cavity, 3, an air feeding balloon, 301, a friction strip, 4, an air inlet valve, 5, an air storage valve, 6, an oxygen pipe, 7, an oxygen storage bag, 8, a three-way air pipe, 9, a pressure valve, 10, a control valve, 11, a one-way valve, 12, a butt joint pipe, 13, an inner ring air bag cover, 14, a first shaping ring, 15, an outer ring air bag cover, 16, a second shaping ring, 17, a communicating pipe, 18, an air blowing pipe, 19, a plug cover, 20, a plastic strip, 21, a blowing nozzle, 22, an inner ring velcro, 23, an outer ring velcro, 24, an elastic sleeve rope, 25, a direction adjusting rotating rod, 26, a suspension bracket, 27, a miniature electric push rod, 28, an air pushing pressing plate, 29, a fixed bracket, 30, a positioning sleeve, 31, a limiting bracket, 32, a limiting guide rod, 33, a positioning telescopic rod, 34, a limiting sliding sleeve, 35, a magnetic block, 36, a hanging plate, 37, a side magnetic attraction plate, 38, a frequency modulation switch, 39 and a forward magnetic attraction plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1 to 8, a simple respirator comprises a respirator support 1, as shown in fig. 3, an air bag separation chamber 2 is fixedly arranged at the top of the respirator support 1, an air feeding balloon 3 is fixedly arranged at both sides of the air bag separation chamber 2, an air inlet valve 4 is fixedly arranged at one end of the air feeding balloon 3, an air storage valve 5 and an oxygen pipe 6 are fixedly arranged at one side of the air inlet valve 4, one oxygen storage bag 7 is fixedly arranged at one end of the two air storage valves 5 and one end of the two oxygen pipes 6, one three-way air pipe 8 is fixedly arranged at the other end of the two air feeding balloons 3, a pressure valve 9 and a control valve 10 are respectively arranged at both ends of the three-way air pipe 8, which are close to the two air feeding balloons 3, in the embodiment, cut-off switches are respectively arranged inside the two control valves 10 and used for controlling the communication between the two air feeding balloons 3 and the three-way air pipe 8, a one end of the three-way air feeding balloon 8, which is far from the air feeding balloon 3, is fixedly provided with a one-way valve 11, and the bottom end of the one-way valve 11 is provided with a mask component; specifically, the simple respirator is provided with two air supply balloons 3 which are respectively used for supplying air to adults and children, when the simple respirator is used, the appearance of a mask assembly can be changed according to the age of a patient, then the corresponding air supply balloons 3 are pressed, so that mixed moisture can be sequentially conveyed into the mask assembly through an air inlet valve 4, a forward magnetic suction plate 39, a control valve 10, a three-way air supply pipe 8 and a one-way valve 11 to assist the breathing of the patient, because the two air supply balloons 3 and valve assemblies such as a matched pressure valve 9, a control valve 10 are different in specification, the air supply amount of each of the two air supply balloons 3 can respectively correspond to the air supply amount of the adults and the children, and the respirators with different specifications originally are integrated into the same respirator, the risk of incomplete breathing apparatus preparation in the rescue process is effectively avoided;
the mask assembly is used for being respectively adjusted into two masks of children and adults according to the age of a patient;
As shown in fig. 4, the mask assembly comprises a docking tube 12 sleeved at the bottom end of a one-way valve 11, an inner ring airbag cover 13 is fixedly arranged at the bottom end of the docking tube 12, a plurality of plastic strips 20 are fixedly arranged at the bottom of the inner ring airbag cover 13, a second plastic ring 16 is fixedly arranged at the bottom of the outer ring airbag cover 15, a communicating tube 17 and a gas blowing tube 18 are fixedly arranged at the top of the inner ring airbag cover 13, an interface matched with the communicating tube 17 is arranged at the top of the outer ring airbag cover 15, one side of the communicating tube 17 and one side of the gas blowing tube 18 are bolted with a plug cover 19 matched with the communicating tube 17 and the gas blowing tube 18 respectively, as shown in fig. 5, a plurality of plastic strips 20 are fixedly arranged between the docking tube 12 and the first plastic ring 14 and the first plastic ring 16, the plurality of plastic strips 20 are respectively positioned inside the inner ring airbag cover 13 and the outer ring airbag cover 15 and uniformly distributed along the axis of the docking tube 12, in this embodiment, one end of the communicating tube 17 and the interface at the top of the gas blowing tube 15 can be sealed by a medical adhesive tape, then the other end of the communicating tube 17 and the gas blowing tube 18 can be directly pulled out of the air blowing tube 13 to the air bag cover 13 through the other end of the air blowing tube 18 when the air blowing tube 18 is closed, and the other end of the air bag cover 13 is directly folded into the air bag cover 13, and the air bag cover is closed by the air bag cover 13, when the other end is in a state, the air-filled into the air bag cover is in the state, and the air bag cover is directly, and the air bag is inflated, and the air is 13, then fold outer lane gasbag cover 15 in the top of inner circle gasbag cover 13, make inner circle gasbag cover 13 alone use as the face guard, thereby reduce the face guard volume, make the face guard can adapt to children's face type, make this face guard subassembly can change appearance and specification according to patient's age, improve this respirator's application scope, through setting up plastic strip 20, make after the face guard subassembly is inflated and is expanded, unnecessary gas in inner circle gasbag cover 13 and the outer lane gasbag cover 15 is discharged, make inner circle gasbag cover 13 and outer lane gasbag cover 15 can not excessively bulge, simultaneously through bending a plurality of plastic strips 20 and first shaping ring 14, second shaping ring 16, make inner circle gasbag cover 13 and outer lane gasbag cover 15 can adjust into required shape, make inner circle gasbag cover 13 and outer lane gasbag cover 15 (or alone inner circle gasbag cover 13) can laminate patient's face type more, reduce the gas leakage of face guard and patient's facial seam department, guarantee this respirator's normal use.
As shown in fig. 6, the top of the respirator bracket 1 is rotatably provided with a direction adjusting rotating rod 25, the top and bottom ends of the direction adjusting rotating rod 25 are fixedly sleeved with a hanging bracket 26, one side, close to each other, of the two hanging brackets 26 is rotatably provided with a miniature electric push rod 27, the telescopic ends of the two miniature electric push rods 27 are close to each other and are fixedly provided with air pushing plates 28, the two air feeding bags 3 are positioned between the two air pushing plates 28, the top of the respirator bracket 1 is fixedly provided with a fixing bracket 29, one side of the fixing bracket 29 is fixedly provided with a positioning sleeve 30, the direction adjusting rotating rod 25 is rotatably arranged in the positioning sleeve 30, the two sides of the top and bottom ends of the positioning sleeve 30 are fixedly provided with limiting brackets 31, as shown in fig. 8, the two limiting guide rods 32 are respectively positioned on one side, close to the direction adjusting rotating rod 25, the two sides of the miniature electric push rods 27 are fixedly provided with a positioning telescopic rod 33, the telescopic ends of the positioning telescopic rod are fixedly provided with a limiting sliding sleeve 34, and the two limiting sliding sleeves 34 are respectively sleeved with two limiting guide rods 32 in a sliding manner; specifically, by arranging the air pushing plates 28, when the air pushing plates 3 need to be pressed, the hanging frame 26 can be rotated to drive the upper air pushing plate 28 and the lower air pushing plate 28 to synchronously rotate to the position appointed to the air pushing plates 3 through the direction adjusting rotating rod 25, the air pushing plates 28 can move to the top and the bottom of the air feeding air pushing plates 3 in parallel under the limiting action of the positioning telescopic rod 33, the limiting sliding sleeve 34 and the limiting guide rod 32, then the two miniature electric pushing rods 27 respectively drive the two air pushing plates 28 to move up and down to mechanically press the air feeding air pushing plates 3 instead of manual pressing, not only can improve the accurate control of the gas transmission quantity, but also can reduce the fatigue strength of medical staff.
As shown in FIG. 8, a hanging plate 36 is fixedly installed on one side of a limiting frame 31, a side magnetic suction plate 37 and a frequency modulation switch 38 are fixedly installed on one side of the hanging plate 36 close to a limiting sliding sleeve 34, as shown in FIG. 7, a magnetic block 35 is fixedly installed on one side of the two limiting sliding sleeves 34 close to each other, the positions of the magnetic block 35 on the same side correspond to the positions of the side magnetic suction plate 37 and the frequency modulation switch 38, in the embodiment, the frequency modulation switch 38 on the same side is electrically connected with a micro electric push rod 27, meanwhile, the frequency modulation switch 38 is connected with a singlechip, the output frequency of the micro electric push rod 27 is selected by touching different frequency modulation switches 38, and the output frequency controlled by the two frequency modulation switches 38 is respectively suitable for children and adults.
As shown in fig. 3, the top and bottom of the air bag compartment 2 are fixedly provided with a forward magnetic plate 39, the forward magnetic plate 39 corresponds to the position of the air pushing plate 28, in this embodiment, the air pushing plate 28 is made of magnetic metal, or a magnetic metal sheet can be arranged inside the air pushing plate 28, specifically, by arranging the forward magnetic plate 39, when the simple respirator is idle, the air pushing plate 28 can be rotated to a position between two air feeding bags 3, then the two miniature electric push rods 27 stretch to drive the air pushing plate 28 to press the air bag compartment 2 and respectively contact with the two forward magnetic plates 39, so that the two air pushing plates 28 are adsorbed and fixed by the forward magnetic plate 39, further shaking of the two air pushing plates 28 is prevented, storage is facilitated, and meanwhile, after the air pushing plates 28 are fixed, medical staff can conveniently press the air feeding bags 3 manually, so as to meet various use requirements of the respirator.
As shown in fig. 3, a plurality of friction strips 301 are uniformly distributed on the periphery of the balloon 3, and specifically, by arranging the friction strips 301, the friction force of holding the balloon 3 can be increased by the friction strips 301, so that medical staff can hold the balloon 3 and press the same conveniently.
As shown in fig. 4, a blowing nozzle 21 is bolted to one side of the air blowing pipe 18, the blowing nozzle 21 is matched with the air blowing pipe 18, specifically, by arranging the blowing nozzle 21, when no inflation tool is arranged on the emergency site, the blowing nozzle 21 on one side of the air blowing pipe 18 can be taken down and plugged into one end of the air blowing pipe 18, so that the blowing nozzle 21 is in butt joint with the air blowing pipe 18, and then a medical staff blows air into the inner ring air bag cover 13 and the outer ring air bag cover 15 through the blowing nozzle 21 and the air blowing pipe 18, thereby realizing emergency inflation of the outer ring magic tape 23 and the outer ring air bag cover 15 and avoiding influencing emergency work.
As shown in fig. 4, a plurality of inner ring velcro 22 are fixedly installed at the top of the inner ring airbag housing 13, a plurality of outer ring velcro 23 are fixedly installed at the top of the outer ring airbag housing 15, the positions of the outer ring velcro 23 and the positions of the inner ring velcro 22 correspond to each other, in this embodiment, the inner ring velcro 22 and the outer ring velcro 23 can be hook surfaces and rough surfaces of the same group of velcro respectively, specifically, by arranging the inner ring velcro 22 and the outer ring velcro 23, when the mask assembly is replaced by an adult specification to a child specification, the shrunken outer ring airbag housing 15 can be folded at the top of the inner ring airbag housing 13, and the inner ring velcro 22 and the outer ring velcro 23 are butted and mutually adhered, so that the outer ring airbag housing 15 is fixed, and the normal use of the mask assembly is avoided.
As shown in fig. 4, the bottom of the outer ring airbag cover 15 is provided with an elastic sleeve rope 24, two ends of the elastic sleeve rope 24 are respectively and fixedly arranged at two sides of the top of the outer ring airbag cover 15, and two ends of the elastic sleeve rope 24 are respectively positioned between two adjacent outer ring velcro tapes 23, specifically, the elastic sleeve rope 24 is arranged to enable the elastic sleeve rope 24 to be sleeved on the head of a patient, so that the mask assembly after shaping can be tightly attached to the face of the patient under the elastic action of the elastic sleeve rope 24, and meanwhile, after the outer ring airbag cover 15 is folded and fixed on the inner ring airbag cover 13, a part of two ends of the elastic sleeve rope 24 can be folded at the top of the inner ring airbag cover 13, so that the length of the elastic sleeve rope 24 is shortened, and the length of the elastic sleeve rope 24 can be more suitable for the head shape of children.
In summary, the balloon 3 is selected by rotating the suspension bracket 26 to drive the upper and lower air pushing plates 28 to synchronously rotate to the position assigned to the balloon 3 through the direction adjusting rotating rod 25, and the air pushing plates 28 move to the top and bottom assigned to the balloon 3 in parallel under the limiting action of the positioning telescopic rod 33, the limiting sliding sleeve 34 and the limiting guide rod 32;
the adjustment of the pressing frequency, namely when the air pushing plate 28 moves towards the air feeding bags 3 on two sides respectively, the two magnetic blocks 35 are contacted with the side magnetic suction plates 37 and the frequency modulation switch 38 on one side along with the sliding of the limit sliding sleeve 34 on the limit guide rod 32, so that the air pushing plate 28 is adsorbed and fixed by the side magnetic suction plates 37, the slippage in the process of pressing the air pushing plate 28 to the air feeding bags 3 is effectively avoided, the accuracy of air transmission quantity control is influenced, and meanwhile, the frequency modulation switch 38 at the position is triggered, so that the frequency modulation switch 38 adjusts the advancing frequency and advancing range of the current miniature electric push rod 27 through the singlechip, namely, the pressing frequency and the pressing depth of the current air pushing plate 28 are adjusted, and the adjustment and control of the air feeding quantity are realized;
The adjustment of the mask assembly, when facing adult patients, the inner ring airbag cover 13 can be inflated directly through the air blowing pipe 18, the blown gas can be conveyed to the inner ring airbag cover 15 through the communicating pipe 17, the original folded and shrunken inner ring airbag cover 13 and outer ring airbag cover 15 are inflated to form a bowl-shaped mask, the plug cover 19 is plugged into one end of the air blowing pipe 18 to seal the inner ring airbag cover 13, when facing children patients, the communicating pipe 17 is pulled out of the interface of the top of the outer ring airbag cover 15, then the other plug cover 19 seals the communicating pipe 17, the outer ring airbag cover 15 is kept in a shrunken state, then the outer ring airbag cover 15 is folded at the top of the inner ring airbag cover 13, the inner ring airbag cover 13 is used as a mask alone, the size of the mask is reduced, the mask can be adapted to the face type of the child, meanwhile, the redundant gas in the inner ring airbag cover 13 and the outer ring airbag cover 15 is discharged, the inner ring airbag cover 13 and the outer ring airbag cover 15 can not be inflated too much, and the outer ring airbag cover 13 can be folded into the shape of the inner ring airbag cover 13 or the outer ring airbag cover 13 and the outer ring airbag cover 13 can be adjusted to be required to be in the shape of the airbag cover 13 or the outer ring airbag cover 13 and the outer ring airbag cover (13 is required to be adjusted to be used to the airbag-shaped and the inner ring airbag cover 13 and the airbag cover 13 or the outer ring airbag cover 13;
The respirator is used by sleeving the elastic sleeve rope 24 on the head of a patient, so that the shaped mask assembly is tightly attached to the face of the patient under the elastic action of the elastic sleeve rope 24, the two miniature electric push rods 27 respectively drive the two air pushing pressure plates 28 to move up and down, the air feeding saccule 3 is mechanically pressed, manual pressing is replaced, mixed moisture can be sequentially conveyed to the mask assembly through the air inlet valve 4, the positive magnetic suction plate 39, the control valve 10, the three-way air conveying pipe 8 and the one-way valve 11, and breathing of the patient is assisted, and the air feeding quantity of the two air feeding saccule 3 can be respectively corresponding to the air feeding quantity of an adult and a child due to different specifications of the two air feeding saccule 3, the paired pressure valve 9, the control valve 10 and other valve assemblies.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.