CN219071617U

CN219071617U - Medical ultrasonic atomizer

Info

Publication number: CN219071617U
Application number: CN202221818401.4U
Authority: CN
Inventors: 江海涛
Original assignee: Hainan Zhengkang Pharmaceutical Co ltd
Current assignee: Hainan Haoyuan Pharmaceutical Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-05-26
Anticipated expiration: 2032-07-15

Abstract

The application discloses medical ultrasonic atomizer, including the atomizer body, the atomizer body includes host computer, atomizing cup, send fog pipe, stings mouth or face guard, and the inside of host computer is equipped with power supply control board, basin, transducer and timer, and transducer and timer all are connected with the power supply control board electricity, and the transducer is installed in basin bottom central point put, and atomizing cup is placed in the basin upper end, and the detachable cover in atomizing cup upper end send fog pipe, send fog pipe upper end to dismantle and cup joint stings mouth or face guard, and the outside of host computer is equipped with the timer knob, and the timer is connected with the rotation of timer knob axle. The atomization time is controlled regularly through the cooperation of the timer knob outside the host machine and the timer inside the host machine, so that the error of manual timing is avoided, the operation is simple, the size is small, and the portable device is convenient to carry.

Description

Medical ultrasonic atomizer

Technical Field

The utility model relates to the field of medical instruments, in particular to a medical ultrasonic atomizer.

Background

The medical atomizer is mainly used for treating various upper and lower respiratory diseases, such as common cold, fever, cough, asthma, sore throat, pharyngitis, rhinitis, bronchitis, pneumoconiosis and other diseases in the trachea, bronchus, alveolus and chest. The aerosol inhalation treatment is an important and effective treatment method in the treatment method of respiratory diseases, and adopts an aerosol inhaler to atomize the liquid medicine into tiny particles, and the medicine enters the respiratory tract and lung to deposit in a respiratory inhalation mode, so that the purpose of painless, rapid and effective treatment is achieved. For the traditional means of treating respiratory diseases such as asthma by taking medicine, the medical atomizer atomizes the medicine liquid into tiny particles, and the medicine enters the respiratory tract and lung to deposit in a respiratory inhalation mode, so that painless, rapid and effective treatment is achieved, and the medical instrument belongs to two types of medical instruments.

At present, medical ultrasonic atomizer need carry out artifical timing atomizing time in the use, can have timing error, and complex operation, and is bulky, inconvenient carry.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, invent a medical ultrasonic atomizer, solve the defects in the prior art, adopt a timer to control the atomization time, avoid errors and tedious manual timing, and have the advantages of simple operation, small volume and convenient carrying.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

medical ultrasonic atomizer, including the atomizer body, the atomizer body includes host computer, atomizing cup, send fog pipe, stings mouth or face guard, and the inside of host computer is equipped with power supply control board, basin, transducer and timer, and transducer and timer are all connected with the power supply control board electricity, and the transducer is installed in basin bottom central point put, and atomizing cup is placed in the basin upper end, and the cover is dismantled to atomizing cup upper end and is sent fog pipe, and send fog pipe upper end to dismantle and cup joint stings mouth or face guard, and the outside of host computer is equipped with the timer knob, and the timer is connected with the rotation of timer knob axle.

Further, the bottom of the water tank is provided with a buoy and a buoy sensor, the buoy sensor is fixedly connected to the bottom of the water tank and is electrically connected with the power supply control board, and the buoy sensor penetrates through the center of the buoy and is movably connected with the buoy.

Further, a water outlet is arranged at the bottom of the water tank, is connected with a water drain pipe and penetrates through the box body to the rear of the box body, and a water drain pipe buckle is arranged at the rear of the box body.

Further, the outside of host computer is equipped with the fan, and the fan below is connected with the motor pivot, and the fan top still is equipped with can dismantle the fan housing, and the fan housing upper end is equipped with air quantity adjust knob, and the fan housing left side is equipped with the air outlet.

Further, the right side of the box body is provided with a heat dissipation window, and the heat dissipation window is provided with a window piece which is inclined outwards and downwards.

Further, a handle fixedly connected with the outside of the host machine is arranged.

Further, the atomizing cup comprises a medicine cup and a medicine cup cover, the medicine cup is provided with a detachable medicine cup cover, the left side of the medicine cup cover is provided with a medicine feeding port, and the right side of the medicine cup cover is provided with a liquid feeding port.

Further, the two sides of the medicine cup cover are provided with the compression blocks which are detachably connected with the medicine cup cover.

Further, send fog pipe to include joint and bellows, the lower extreme detachable of joint closely cup joints in the upper end that send the medicine mouth, and the upper end detachable of joint closely cup joints in the lower extreme of bellows, and the upper end detachable of bellows closely cup joints in the lower extreme of mouthpiece or face guard.

Further, the mouthpiece comprises a mouthpiece seat and a mouthpiece mouth, the lower end of the mouthpiece seat is detachably and tightly sleeved at the upper end of the corrugated pipe, and the upper end of the mouthpiece seat is detachably and tightly sleeved at the lower end of the mouthpiece mouth; the face guard includes takeover and inhalation mask, and takeover lower extreme detachable closely cup joints in the upper end of bellows, and takeover upper end detachable closely cup joints in inhalation mask lower extreme.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model relates to a medical ultrasonic atomizer, which converts electric energy into ultrasonic waves through a transducer in a water tank of a main machine, and the ultrasonic waves act on a medicine cup through water in the water tank and using the water as a medium, so that water-soluble medicines in the medicine cup are changed into tiny fog particles, namely medicine fog, and the medicine fog is led to a mouthpiece or a mask through a fog-delivering pipe and is comfortably delivered into a mouth of a patient. Meanwhile, the timer is adopted to control the atomization time, the timing of 0-60 minutes can be set or continuous work is realized, the error of manual timing is avoided, the operation is simple, the volume is small, and the carrying is convenient.

Drawings

FIG. 1 is a front view of a medical ultrasonic atomizer of the present utility model;

FIG. 2 is a longitudinal sectional view of the medical ultrasonic atomizer of the present utility model;

FIG. 3 is a right side view of the medical ultrasonic atomizer of the present utility model;

FIG. 4 is a left side view of the medical ultrasonic atomizer of the present utility model;

FIG. 5 is a top view of the medical ultrasonic atomizer of the present utility model;

fig. 6 is a schematic view of a fog delivering pipe structure of the medical ultrasonic atomizer;

FIG. 7 is a schematic view of the mouthpiece structure of the medical ultrasonic atomizer of the present utility model;

wherein, the reference numerals are as follows:

1. a host; 2. an atomizing cup; 3. a mist delivery pipe; 31. a joint; 32. a bellows; 4. a mouthpiece; 41. a mouthpiece base; 42. a mouthpiece; 5. a base; 6. a case; 7. a power control board; 8. a water tank; 9. a transducer; 10. a timer; 11. a timer knob; 12. a medicine cup seat; 13. a power switch; 14. an atomization amount adjusting knob; 15. a buoy; 16. a float sensor; 17. an atomizing lamp; 18. a water level lamp; 19. a fan; 20. a motor; 21. a fan cover; 22. an air quantity adjusting knob; 23. a heat radiation window; 24. a handle; 25. a medicine cup; 26. a medicine cup cover; 27. a liquid adding port; 28. and (5) compacting the block.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

For easy understanding, please refer to fig. 1 to 5, the application is a medical ultrasonic atomizer, comprising an atomizer body, wherein the atomizer body comprises a main machine 1, an atomizing cup 2, a mist delivery pipe 3, a mouthpiece 4 or a mask, and the main machine 1 is rectangular in appearance; the host 1 comprises a base 5 and a box body 6 from bottom to top, wherein the base 5 is detachably connected with the box body 6, namely, the base 5 and the box body 6 are fixed or detached through screws around the edge of the base 5; the box 6 comprises a box inner part and a box outer part, wherein the box outer part comprises a box front part, a box rear part, a box left part, a box right part and a box upper part; the power supply control board 7, the water tank 8, the energy converter 9 and the timer 10 are arranged in the host 1, specifically, the power supply control board 7 and the timer 10 are both arranged on the base 5, and the energy converter 9 and the timer 10 are both electrically connected with the power supply control board 7; the transducer 9 is arranged at the center of the bottom of the water tank 8, specifically, the water tank 8 is arranged on the left side above the box body and is recessed towards the inside of the box body, the water tank 8 is in a cylindrical shape with an upward opening, the inner wall of the water tank 8 is detachably sleeved with the medicine cup holder 12, the appearance of the medicine cup holder 12 is a cylindrical ring and is attached to the wall of the water tank 8, the lower end of the medicine cup holder 12 is supported on the bottom surface of the water tank 8, the upper end of the medicine cup holder 12 is detachably sleeved with the atomizing cup 2, the upper end of the atomizing cup 2 is detachably sleeved with the mist delivering pipe 3, and the upper end of the mist delivering pipe 3 is detachably sleeved with the mouthpiece 4 or the mask; the external of the host 1 is provided with a timer knob 11, specifically, the front of the box body corresponding to the timer 10 is provided with the timer knob 11, the timer 10 penetrates through the box body 6 and is connected with the timer knob 11 in a rotating way, the time of the timer 10 can be adjusted through the timer knob 11, and the time of 0-60 minutes can be set or the continuous work, namely the atomization treatment time can be set; the patient sets the time of the timer 10 according to the time required by the medicine atomization treatment, so that the problems that the treatment time is too long, atomized medicine is excessively inhaled or the treatment time is too short, the inhalation amount of the atomized medicine is small, and the effective treatment cannot be achieved due to the fact that the patient forgets the time during the treatment are avoided; the timer 10 can assist the patient in effective nebulization treatment by timing functions; errors caused by manual timing atomization time deviation are avoided.

The timer 10 operates on the principle: when the input condition of the timer 10 meets the timing requirement, the timer starts to count, the set value register stores the set time value unchanged, when the register stores the current time value to change along with the time, once the current time value is increased to be the same as the set time value, the timer 10 acts, the normally open contact is switched on, the normally closed contact is switched off, and the controlled object is acted through a program, so that the purpose of controlling the time is achieved.

The front of the box body is provided with a power switch 13 and a detachable power switch safety protection cover, and the safety protection cover is used for protecting the power switch 13 from false touch and is dustproof and waterproof. The power switch 13 is electrically connected to the power control board 7, and the power switch 13 controls the on-state of the power control board 7. The front of the box body is also provided with an atomization amount adjusting knob 14, the working voltage of the atomizer can be adjusted through the atomization amount adjusting knob 14, and the energy converter 9 converts the received electric energy into ultrasonic waves, so that the atomization amount is adjusted.

When the device works, an external household power supply is connected by using a power line, the power supply switch 13 and the timer 10 are used for controlling the power supply control board 7 to act on the transducer 9 in the water tank 8, the transducer 9 can convert electric energy into ultrasonic waves, water in the water tank 8 acts on the atomizing cup 2 by taking the water as a medium, so that water-soluble medicines in the atomizing cup 2 become extremely tiny fog particles, and then the fog particles pass through the fog delivery pipe 3 to the mouthpiece 4 or the mask, and the medicine fog is delivered into a patient for treatment.

Example 2

On the basis of embodiment 1, further, the bottom of the water tank 8 is provided with a float 15 and a float sensor 16, the float sensor 16 is fixedly connected to the bottom of the water tank 8 and is electrically connected to the power control board 7, the float sensor 16 penetrates through the center of the float 15, so that the float 15 is strung on the rod of the float sensor 16 and a gap is left between the float sensor 16 and the rod of the float sensor 16, and therefore the float 15 can move on the rod, namely, move up and down. The buoy 15 is made of buoyancy material and can float on the water surface. An indicator lamp is arranged in front of the corresponding box body and is electrically connected with the power supply control board 7, and the indicator lamp comprises an atomization lamp 17 and a water level lamp 18. When water exists in the water tank 8, the buoy 15 floats on the water surface according to the water quantity, when the water quantity reaches a specified water level line, the floating buoy 15 contacts the buoy sensor 16, and the sensing information is transmitted to the power supply control board 7 in the form of an electric signal, so that the atomizing lamp 17 is lightened, and the next atomization work can be performed; when the water amount in the water tank 8 is reduced, the buoy 15 is also reduced according to the water amount, until the water amount is lower than the warning line, the buoy sensor 16 cannot sense the buoy 15, and the sensing information is also transmitted to the power control board 7 in the form of an electric signal, so that the water level lamp 18 is lightened, the water amount is indicated to be needed to be added, a user is reminded of the water addition of the water tank 8, and the atomization work is stopped if the water amount is not needed.

Further, a water outlet is arranged at the bottom of the water tank 8, is connected with a water drain pipe and penetrates through the box body 6 to the rear of the box body, and a water drain pipe buckle is arranged at the rear of the box body. The drain pipe material is the rubber hose, can crooked upwards tightly hang the drain pipe export on the drain pipe knot, prevents the water outflow in the basin 8. When the atomizer works, the drain pipe is fastened on the drain pipe fastener, so that the water outlet of the drain pipe is vertically upwards, and water in the water tank 8 is prevented from flowing out; after the atomizer works, when water is needed to be discharged, the water discharge pipe buckle is loosened, so that the water outlet of the water discharge pipe is horizontally placed or obliquely downward with the ground, and water in the water tank 8 flows out according to the water outlet of the water discharge pipe, so that the water in the water tank 8 is conveniently discharged.

Further, a fan 19 is arranged outside the host 1, the lower part of the fan 19 is connected with a rotating shaft of a motor 20, a detachable fan cover 21 is further arranged above the fan 19, an air quantity adjusting knob 22 is arranged at the upper end of the fan cover 21, and an air outlet is arranged at the left side of the fan cover 21. Specifically, the right side is equipped with outside convex fan 19 above the box, and the fan 19 below runs through box 6 and is connected with motor 20 pivot, and motor 20 installs in the box promptly inside, and fan 19 top is equipped with detachable fan housing 21, and fan housing 21 upper end is equipped with air regulation knob 22, and the air outlet has been seted up in the fan housing 21 left side. The fan 19 is used for providing conveying power for atomized medicine mist, and the medicine mist is quickly conveyed into the mouth of a patient through the speed of wind, namely, the rotating speed of the fan 19 can be controlled by the motor 20 through the air quantity adjusting knob 22, so that the air quantity is increased or decreased, and the faster the speed is, the more the air quantity is; the slower the speed, the less the air volume.

Further, a heat dissipation window 23 is provided outside the host computer 1 of the host computer 1, specifically, a heat dissipation window 23 is opened on the right side of the box body, the heat dissipation window 23 is provided with a window sheet inclined downwards outwards, ventilation and heat dissipation are performed through a gap between the window sheet and the window sheet, and the heat dissipation window 23 is mainly used for heat dissipation of internal equipment of the host computer 1, such as a motor 20. When the motor 20 works, heat is generated due to operation, and if the motor 20 is not damaged due to heat dissipation for a long time, the service life of the motor 20 is shortened. The heat dissipation window 23 enables the heat of the motor 20 to be timely dissipated, and the service life of the motor 20 is prolonged, so that the service life of the atomizer is prolonged.

Further, a handle 24 fixedly connected is arranged outside the host 1, specifically, the handle 24 is fixedly connected on the upper surface of the box body, the handle 24 is fixed on the middle position of the front side and the rear side of the upper surface of the box body and spans the upper part of the connection part of the air inlet of the medicine cup cover 26 and the air outlet of the fan cover 21; the mounting of the handle 24 is convenient for personnel to carry the atomizer by hand, and the atomizer can be lifted by one hand, so that the complicated operation during carrying the atomizer is avoided, and the atomizer is convenient to carry; and the handle 24 also allows hanging of the atomizer when it is not in place.

Further, the atomizing cup 2 comprises a cup 25 and a cup cover 26, the appearance of the cup 25 is a downward concave semicircular arc, the appearance of the cup cover 26 is an upward convex semicircular arc, the cup 25 is provided with a detachable cup cover 26, the right side of the cup cover 26 is provided with an air inlet and is correspondingly communicated with an air outlet of the detachable fan cover 21, the left side of the cup cover 26 is provided with a medicine feeding port with an upward opening, the medicine feeding port is provided with a detachable medicine feeding port cap, and the medicine feeding port cap is made of rubber and has elasticity so as to tightly cover the medicine feeding port; when the atomizer is not used, the medicine delivery port cap is tightly sleeved on the medicine delivery port, so that the cleaning of the inside of the medicine cup 25 is protected, and dust or other substances difficult to clean are prevented from falling into the medicine cup 25 from the medicine inlet to cause pollution; the right side of the cup cover 26 is provided with a liquid adding opening 27 with an upward opening, and a detachable liquid adding opening cover is arranged at the liquid adding opening 27, and the liquid adding opening cover is made of rubber material, has elasticity and can tightly cover the liquid adding opening 27; when medicine needs to be added into the medicine cup 25, the liquid filling opening cover is opened, medicine is added into the medicine cup 25 from the liquid filling opening 27, after the medicine adding operation is finished, the liquid filling opening cover is tightly covered in the liquid filling opening 27, medicine mist is prevented from being emitted from the liquid filling opening 27 in the atomization process, and the medicine mist is prevented from being dissipated, so that the medicine mist is prevented from being lost.

Further, the front side and the rear side of the cup cover 26 are provided with compression blocks 28, and the compression blocks 28 are detachably connected with the cup cover 26; one end of the compression block 28 is fixed on the box body through a rotary joint, and the other end of the compression block 28 is pressed on the edge of the medicine cup cover 26 to tightly press the medicine cup cover 26 on the box body; when the cup is opened, one end of the pressing block 28 pressed on the edge of the cup cover 26 is lifted upwards and rotated outwards of the cup cover 26, and the pressing block 28 can be separated from the cup cover 26, so that the cup cover 26 can be detached, and the cup 25 can be taken out.

Further, referring to fig. 6, the mist delivery pipe 3 includes a connector 31 and a bellows 32 from bottom to top, the lower end of the connector 31 is detachably and tightly sleeved at the upper end of the medicine delivery port, the upper end of the connector 31 is detachably and tightly sleeved at the lower end of the bellows 32, and the upper end of the bellows 32 is detachably and tightly sleeved at the lower end of the mouthpiece 4 or the mask. The mist delivery pipe 3 can be lengthened or shortened by the telescopic state of the lines of the corrugated pipe 32 so as to adapt to the use of patients with different heights or different treatment postures of the patients. When a patient performs atomization treatment, the mist delivery pipe 3 is adjusted according to the requirement of the patient, if the patient is not excessively long, the corrugated pipe 32 is in a contracted state, so that the mist delivery pipe 3 is shortened, and the treatment device is suitable for treatment with the mouthpiece 4 or with a mask; if lengthening is required, the bellows 32 is in an extended state, so that the mist delivery pipe 3 is lengthened, and the treatment of the person with the mouthpiece 4 or the mask is suitable. The length of the fog delivering pipe 3 can be adjusted, and the fog delivering pipe is suitable for patients with different heights or different treatment postures of the patients.

Further, referring to fig. 7, the mouthpiece 4 includes a mouthpiece 41 and a mouthpiece 42 from bottom to top, the lower end of the mouthpiece 41 is detachably and tightly sleeved on the upper end of the bellows 32, and the upper end of the mouthpiece 41 is detachably and tightly sleeved on the lower end of the mouthpiece 42; the face guard includes takeover and inhalation mask, takes over the upper end at bellows 32 is closely cup jointed to removable inseparable the of lower extreme, takes over the upper end and cup joints at inhalation mask lower extreme closely, inhalation mask both sides edge is equipped with the cover area, and the cover area can tie up behind patient's brain for inhalation mask is fixed, does not need personnel to lift also be difficult for droing.

The working principle of the utility model is that an external power line is connected, the power switch 13 and the timer 10 are used for controlling the power control board 7 to act on the transducer 9 in the water tank 8, the transducer 9 converts electric energy into ultrasonic wave, water in the water tank 8 is used as a medium to act on the medicine cup 25, so that water-soluble medicine in the atomizing cup 2 is changed into extremely tiny fog particles, namely medicine fog, and the medicine fog is led to the mouthpiece 4 or the mask through the fog-delivering pipe 3 and is comfortably delivered into the mouth of a patient. The timer 10 can set the timing of 0-60 minutes or continuously work, controls the atomization time, assists the patient in effective atomization treatment, avoids errors and other complicated operations of manual timing of the atomization time, and meanwhile, the utility model has simple operation, small volume and convenient carrying.

Although the present utility model has been described with reference to the above preferred embodiments, it should be understood that the present utility model is not limited to the above preferred embodiments, and various changes and modifications can be made therein by one skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. Medical ultrasonic atomizer, including the atomizer body, its characterized in that, the atomizer body includes host computer, atomizing cup, send fog pipe, stings mouth or face guard, the inside of host computer is equipped with power supply control board, basin, transducer and timer, and transducer and timer are all connected with the power supply control board electricity, and the transducer is installed in basin bottom central point put, atomizing cup is placed in the basin upper end, atomizing cup upper end can dismantle the cover and send fog pipe, send fog pipe upper end can dismantle the cover of cup jointing stings mouth or face guard, the outside of host computer is equipped with the timer knob, the timer is connected with the rotation of timer knob axle.

2. The medical ultrasonic atomizer according to claim 1, wherein the bottom of the water tank is provided with a buoy and a buoy sensor, the buoy sensor is fixedly connected to the bottom of the water tank and is electrically connected with the power supply control board, and the buoy sensor penetrates through the center of the buoy and is movably connected with the buoy.

3. The medical ultrasonic atomizer according to claim 1, wherein a drain is provided at the bottom of the water tank, the drain is connected to the drain pipe and penetrates the tank to the rear of the tank, and a drain pipe buckle is provided at the rear of the tank.

4. The medical ultrasonic atomizer according to claim 1, wherein a fan is arranged outside the main machine, the lower part of the fan is connected with a motor rotating shaft, a detachable fan cover is further arranged above the fan, an air quantity adjusting knob is arranged at the upper end of the fan cover, and an air outlet is arranged at the left side of the fan cover.

5. The medical ultrasonic atomizer according to claim 1, wherein the main unit comprises a base and a case, the base is detachably connected with the case, a heat radiation window is arranged on the right side of the case, and the heat radiation window is provided with a window piece which is inclined outwards and downwards.

6. The medical ultrasonic atomizer according to claim 1, wherein a handle is fixedly connected to the outside of the main unit.

7. The medical ultrasonic atomizer according to claim 1, wherein the atomizing cup comprises a medicine cup and a medicine cup cover, the medicine cup is provided with a detachable medicine cup cover, the left side of the medicine cup cover is provided with a medicine feeding port, and the right side of the medicine cup cover is provided with a liquid feeding port.

8. The medical ultrasonic atomizer according to claim 7, wherein the two sides of the cup cover are provided with compression blocks, and the compression blocks are detachably connected with the cup cover.

9. The medical ultrasonic atomizer according to claim 7, wherein the mist delivery pipe comprises a connector and a corrugated pipe, the lower end of the connector is detachably and tightly sleeved at the upper end of the medicine delivery port, the upper end of the connector is detachably and tightly sleeved at the lower end of the corrugated pipe, and the upper end of the corrugated pipe is detachably and tightly sleeved at the lower end of the mouthpiece or the mask.

10. The medical ultrasonic atomizer according to claim 9, wherein the mouthpiece comprises a mouthpiece holder and a mouthpiece, the lower end of the mouthpiece holder is detachably and tightly sleeved on the upper end of the bellows, and the upper end of the mouthpiece holder is detachably and tightly sleeved on the lower end of the mouthpiece; the face guard includes takeover and inhalation mask, take over lower extreme detachable closely cup joints in the upper end of bellows, take over upper end detachable closely cup joints in inhalation mask lower extreme.