CN212817570U

CN212817570U - Humidifying tank and respiratory therapy equipment

Info

Publication number: CN212817570U
Application number: CN202021272656.6U
Authority: CN
Inventors: 胡振湘; 徐结兵; 于海滨
Original assignee: Vincent Medical Manufacturing Co ltd; Vincent Medical Dongguan Technology Co Ltd
Current assignee: Vincent Medical Manufacturing Co ltd; Vincent Medical Dongguan Technology Co Ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-30
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a humidification pot and a respiratory therapy device, wherein the humidification pot comprises a pot body, a water inlet is arranged on the pot body, the humidification pot also comprises a sealed water guide groove piece, one end of the sealed water guide groove piece is arranged in the pot body at the water inlet, and the other end of the sealed water guide groove piece is provided with a water passing port; the float valve is arranged below the sealed water guide groove piece and the water inlet and used for pushing the sealed water guide groove piece to plug the water inlet when the water level in the tank body reaches a specified height; and the protective valve is fixedly arranged on the side of the float valve and used for plugging the water passing opening after the water level in the tank body exceeds a specified height. When the water level in the humidification tank reaches a specified height, the float valve pushes the sealed water guide groove piece to plug the water inlet; when the water inlet and/or the sealed water guide groove part are abraded, the external water continues to enter the tank body, so that the water level in the tank body continues to rise, the protection valve continues to rise and block the water passing port, the external water is prevented from continuing to enter the tank body, the secondary protection of the humidification tank for adding water is realized, and the use safety of the humidification tank is improved.

Description

Humidifying tank and respiratory therapy equipment

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a humidifying tank and respiratory therapy equipment.

Background

The breathing machine humidification tank is an instrument used in cooperation with a breathing machine (or other breathing treatment equipment with the same function), the inside of the breathing machine humidification tank is stored with moisture, and the breathing machine humidification tank is usually connected between the breathing machine and a gas conveying pipeline and is used for humidifying passing gas; if the humidifying tank is heated, the passing gas can be heated. When the humidification tank is used for adding water, the water addition amount is ensured not to exceed a certain height, otherwise, water enters the gas conveying pipeline due to overflow, the patient is choked and coughed, the occurrence probability of the relevant pneumonia of the patient is increased, meanwhile, the illness condition of the patient can be aggravated, and even the suffocation of the patient can be caused in case of emergency.

In order to solve the above problems, the existing humidification tank adopts the structure as shown in fig. 1: humidifying tank, including base 1 and install humidifying tank main part 2 on base 1, be provided with water injection pipe 3 on humidifying tank main part 2, inside confined mount 4 and the buoy 5 of being provided with of humidifying tank main part 2, mount 4 is installed on humidifying tank main part 2's inner wall, mount 4 is coaxial with water injection pipe 3, buoy 5 is corresponding with water injection pipe 3, the upper segment of buoy 5 is installed on mount 4 and can be along mount 4's direction of height reciprocating motion, be provided with on mount 4 can with humidifying tank main part 2 inside communicating connecting hole 6. The inside buoy 5 that corresponds with water injection pipe 3 that has of humidification jar main part 2, when using, intake by water injection pipe 3, get into humidification jar main part 2 by connecting hole 6 in, when water level buoyancy is greater than the volume of this object, buoy 5 can float and upwards walk in aqueous, just in time block at the lower extreme of water injection pipe 3, make the rivers of aseptic water for injection stop, can not be down, thereby reach the effect of jam, just so can restrict the entering that water does not stop, avoid water to overflow, reduce patient and chock and cough, suffocate and breathing machine correlation pneumonia scheduling problem.

Although the problem of water overflow in the existing humidification tank is solved to a certain extent, the sectional area of the water injection pipe 3 is small, and the water sealing part 503 at the upper end of the float valve is easy to damage after being abutted against the water injection pipe for many times, so that water flows out from the gap between the water injection pipe and the upper end face of the float, and the humidification tank loses the control capability on the water amount.

It can be seen that the prior art is still in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a humidification tank and a respiratory therapy apparatus, which aims to solve the problem that the existing humidification tank loses the ability of controlling the water amount when the float valve and/or the water inlet are worn.

The utility model provides a technical scheme that technical problem adopted as follows: a humidification canister comprising: the water inlet has been seted up to the jar body, wherein, the humidifying jar still includes:

one end of the sealed water guide groove part is arranged in the tank body at the water inlet, and the other end of the sealed water guide groove part is provided with a water passing port;

the float valve is arranged below the sealed water guide groove piece and the water inlet and used for pushing the sealed water guide groove piece to plug the water inlet when the water level in the tank body reaches a specified height;

and the protective valve is fixedly arranged on the side of the float valve and used for plugging the water passing opening after the water level in the tank body exceeds a specified height.

Further, the sealing water chute member includes:

the sealing end is arranged between the water inlet and the float valve and is used for plugging the water inlet when the water level in the tank body reaches a specified height;

the water passing port is arranged at the other end opposite to the sealing end and is arranged at the upper end of the protection valve, and water enters the tank body;

and the water guide groove is connected between the sealing end and the water passing port and used for guiding water at the sealing end to the water passing port.

Furthermore, the height of the inner surface of the groove bottom of the sealed water guide groove part at the water passing opening is smaller than that at the sealed end.

Furthermore, a sealing valve plate is arranged at the sealing end, protrudes towards the water inlet and is used for plugging the water inlet when the water level in the tank body reaches a specified height;

and the connecting ring groove is protruded towards the floating valve and used for accommodating and connecting the floating valve.

Further, a guide mechanism vertically extends downwards from the inner surface of the top wall of the tank body, and the guide mechanism is used for guiding and limiting the lifting direction of the floating valve and the protection valve.

Further, the guide mechanism includes:

the guide circular pipe extends downwards from the inner surface of the top wall of the tank body close to the water inlet and is used for guiding and limiting the lifting direction of the float valve;

the first guide column extends downwards from the inner surface of one side of the top wall of the tank body close to the water passing opening;

the second guide column extends downwards from the inner surface of the other side of the top wall of the tank body close to the water passing opening;

the first guide column and the second guide column are used for guiding and limiting the lifting direction of the protection valve.

Furthermore, the humidification tank also comprises a float valve connecting piece, one end of the float valve connecting piece is fixed on the float valve, and the other end of the float valve connecting piece is slidably provided with the protection valve;

the float valve connecting piece is used for driving the protective valve to synchronously lift by the float valve.

Further, the float valve connecting piece comprises a float valve fixing ring and a protective valve bearing plate which are integrally formed;

the floating valve fixing ring is sleeved on the floating valve, and the protection valve is slidably borne on the protection valve bearing plate.

Furthermore, the floating valve fixing ring is arranged in a ring shape, a guide tooth vertically extends on the end face facing the water inlet, the floating valve fixing ring is sleeved on the floating valve, and the guide tooth is accommodated in the guide circular tube and used for limiting the radial movement of the floating valve relative to the guide circular tube;

the end face, facing the water passing opening, of the protection valve bearing plate vertically extends to form a first positioning column and a second positioning column, the protection valve is provided with a first guide groove and a second guide groove at positions corresponding to the first positioning column and the second positioning column, the first positioning column is slidably mounted in the first guide groove, and the second positioning column is mounted in the second guide groove.

The utility model provides a technical scheme that technical problem adopted as follows: a respiratory therapy apparatus, wherein the respiratory therapy apparatus comprises a humidification canister as described above.

Compared with the prior art, the utility model provides a humidifying tank, which comprises a tank body, wherein the tank body is provided with a water inlet, the humidifying tank also comprises a sealed water guide groove part, one end of the sealed water guide groove part is arranged in the tank body at the water inlet, and the other end of the sealed water guide groove part is provided with a water passing port; the float valve is arranged below the sealed water guide groove piece and the water inlet and used for pushing the sealed water guide groove piece to plug the water inlet when the water level in the tank body reaches a specified height; and the protective valve is fixedly arranged on the side of the float valve and used for plugging the water passing opening after the water level in the tank body exceeds a specified height. By arranging the sealed water guide groove piece, the floating valve and the protection valve, when the water level in the tank body of the humidification tank reaches a specified height, the floating valve pushes the sealed water guide groove piece to plug the water inlet; when the water inlet and/or the sealed water guide groove part are worn, and the sealed water guide groove part cannot timely block the water inlet, outside water continuously enters the tank body, so that the water level in the tank body continuously rises, the protection valve continuously rises and is continuously close to the water passing port, the water passing port is timely blocked when the water passing port is contacted, the outside water is effectively prevented from continuously entering the tank body, the secondary protection of adding water into the humidification tank is realized, the problems that the water volume in the tank body is too full, the patient is choked and choked, suffocated and relevant pneumonia of a breathing machine are reduced, and the use safety of the humidification tank is improved.

Drawings

FIG. 1 is a cross-sectional view of a prior art humidification tank;

FIG. 2 is a schematic perspective view of a humidification tank in accordance with a preferred embodiment of the present invention;

FIG. 3 is a schematic side view of a humidification canister in accordance with a preferred embodiment of the present invention;

FIG. 4 is a schematic sectional view taken along line I-I of FIG. 3 according to the preferred embodiment of the present invention;

FIG. 5 is a schematic perspective view of a sealed gutter member of a humidification tank in accordance with a preferred embodiment of the present invention;

FIG. 6 is a schematic view of another perspective of the sealed flume member of the humidification tank in accordance with the preferred embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of a sealed sink member of a humidification tank in accordance with a preferred embodiment of the present invention;

FIG. 8 is a schematic perspective view of a body of a humidification tank in accordance with a preferred embodiment of the present invention;

FIG. 9 is a schematic perspective view of a float valve connecting member of the humidification tank in accordance with the preferred embodiment of the present invention;

FIG. 10 is a schematic perspective view of a protection valve of a humidification tank in accordance with a preferred embodiment of the present invention;

FIG. 11 is an enlarged view of portion A of FIG. 4;

FIG. 12 is a schematic view of the deformed configuration of FIG. 11;

FIG. 13 is a schematic view of the deformed configuration of FIG. 11;

description of reference numerals:

10. a humidifying tank; 11. a tank body; 12. a float valve; 13. a protection valve; 14. sealing the water chute member; 15. a float valve connection; 17. an air inlet; 18. an air outlet; 19. heating the plate; 111. a water inlet; 112. a guide mechanism; 113. a guide circular tube; 114. a first guide post; 115. a second guide post; 116. a notch; 121. a connecting projection; 131. a first guide groove; 132. a second guide groove; 141. a water outlet; 142. sealing the end; 143. a water chute; 144. the bottom of the tank; 145. sealing the valve plate; 146. a connecting ring groove; 151. a float valve fixing ring; 152. a protection valve carrier plate; 153. a guide tooth; 154. a first positioning post; 155. and a second positioning column.

Detailed Description

The utility model provides a humidifying pot and respiratory therapy equipment, which aims to make the purpose, technical proposal and effect of the utility model clearer and clearer, and the following description refers to the attached drawings and is right to the example of the utility model. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Although the problem of water overflow in the existing humidification tank is solved to a certain extent, the sectional area of the water injection pipe 3 is small, and the water sealing part 503 at the upper end of the float valve is easy to damage after being abutted against the water injection pipe for many times, so that water flows out from the gap between the water injection pipe and the upper end face of the float, and the humidification tank loses the control capability on the water amount. It can be understood that if there are more dust particles or other impurities on the buoy upper end face, or after the service life is long, the damage appears, and the buoy can't be attached to the water injection pipe, and then the water outlet of the water injection pipe can't be blocked. If the problem is solved in a direction of preventing the upper end surface of the float from being contaminated with impurities such as dust particles, it is difficult to achieve the problem, or it is possible to achieve the problem but the cost is high.

Therefore, based on the technical problems in the humidification tank in the prior art, the utility model provides a novel humidification tank, and by arranging a sealing water guide groove piece, a floating valve and a protection valve, when the water level in the tank body of the humidification tank reaches a specified height, the floating valve pushes the sealing water guide groove piece to plug the water inlet; when the water inlet and/or the sealed water guide groove part are worn, and the sealed water guide groove part cannot timely block the water inlet, outside water continuously enters the tank body, so that the water level in the tank body continuously rises, the protection valve continuously rises and is continuously close to the water passing port, the water passing port is timely blocked when the water passing port is contacted, the outside water is effectively prevented from continuously entering the tank body, the secondary protection of adding water into the humidification tank is realized, the problems that the water volume in the tank body is too full, the patient is choked and choked, suffocated and relevant pneumonia of a breathing machine are reduced, and the use safety of the humidification tank is improved.

Referring to fig. 2 to 4, a humidification tank 10 is provided in a first embodiment of the present invention, in which the humidification tank 10 includes a tank body 11 (a casing of the humidification tank 10 of the present invention), a sealing water guiding channel member 14, a float valve 12 and a protection valve 13; the tank body 11 is provided with a water inlet 111; one end of the sealed water chute member 14 is installed in the tank body 11 at the water inlet 111, and the other end is provided with a water passing opening 141 for plugging the water inlet 111 and guiding a water inlet path; it can be understood that the outside water enters the sealed water chute member 14 through the water inlet 111, then flows to the water outlet 141 opened on the sealed water chute member 14 under the guidance of the sealed water chute member 14, and then flows into the tank 11 through the water outlet 141; the float valve 12 is arranged below the sealed water guide channel member 14 and the water inlet 111, that is, the float valve 12 is arranged below one end of the sealed water guide channel member 14 at the water inlet 111, and when the water level in the tank body 11 reaches a specified height, the float valve 12 is used for pushing the sealed water guide channel member 14 to block the water inlet 111; the protection valve 13 is fixedly installed at a side of the float valve 12, that is, the protection valve 13 is fixedly installed below one end of the water inlet 111 of the sealed water chute member 14, and when the water level in the tank 11 exceeds a predetermined height, the protection valve 13 is used for blocking the water passing port 141.

It can be understood that, to the humidifying jar 10 of different model specifications, the safe water level (the highest water level that can not take place the potential safety hazard) is different, the utility model discloses do not need right the appointed height specifically limits, and technical personnel in the field can carry out the adaptability adjustment according to the parameter of humidifying jar 10, and this need not pay out creative work, no matter how the specific numerical value of appointed height, all should belong to the utility model discloses a protection scope. By arranging the sealed water guide groove part 14, the float valve 12 and the protection valve 13, when the water level in the tank body 11 of the humidification tank 10 reaches a specified height, the float valve 12 pushes the sealed water guide groove part 14 to seal the water inlet 111; when the water inlet 111 and/or the sealed water guide groove member 14 are worn and the sealed water guide groove member 14 cannot timely block the water inlet 111, the external water continuously enters the tank body 11, so that the water level in the tank body 11 continuously rises, the protection valve 13 continuously rises and continuously approaches the water passing port 141, and the water passing port 141 is timely blocked when the external water contacts the water passing port 141, so that the external water is effectively prevented from continuously entering the tank body 11, the secondary protection of adding water into the humidification tank 10 is realized, the problem that a patient is choked, suffocated, pneumonia related to a breathing machine and the like is solved, and the use safety of the humidification tank 10 is improved.

Referring further to fig. 5-7, in some preferred embodiments, the sealing gutter member 14 includes a sealing end 142, a water passage opening 141, and a water chute 143; the sealing end 142 is arranged between the water inlet 111 and the float valve 12, and the sealing end 142 is used for plugging the water inlet 111 under the pushing of the float valve 12 when the water level in the tank body 11 reaches a specified height; the water passing opening 141 is arranged at the other end opposite to the sealing end 142, and is arranged at the upper end of the protection valve 13 for the external water to enter the tank body 11; the water chute 143 is connected between the sealing end 142 and the water passing port 141, and is used for guiding water at the sealing end 142 to the water passing port 141; it can be understood that the external water flows into the sealed end 142 through the water inlet 111, and then the water at the sealed end 142 is guided to the water outlet 141 through the water chute 143, and then flows into the tank 11 through the water outlet 141; the sealed water guide channel member 14 can not only block the water inlet 111, but also play a role in guiding water, and simultaneously can provide through holes for external water to flow into the tank body 11.

In some preferred embodiments, the inner surface of the trough bottom 144 of the sealed sink member 14 has a height at the water outlet 141 that is less than the height at the sealed end 142. That is, the groove bottom 144 of the sealed water chute member 14 forms an included angle α with the horizontal plane, and the included angle α is 3 ° ± 0.5 °. It can be understood that the inner surface of the groove bottom 144 of the sealed water chute member 14 is inclined, and the sealed end 142 is high and the water passing opening 141 is low, so as to ensure that the water flowing from the water inlet 111 can flow into the water passing opening 141 in time under the action of gravity and then flow into the tank 11 through the water passing opening 141.

In other preferred embodiments, a sealing valve plate 145 and a connecting ring groove 146 are arranged at the sealing end 142; the sealing valve plate 145 protrudes towards the water inlet 111 and is used for plugging the water inlet 111 when the water level in the tank body 11 reaches a specified height; the connecting ring groove 146 is convex towards the float valve 12 and is used for accommodating and connecting the float valve 12; the axial cross sections of the float valve 12 and the protection valve 13 are both in a convex shape, and the top of the float valve 12 is provided with a connecting protrusion 121 corresponding to the connecting ring groove 146.

It can be understood that the connecting protrusion 121 at the top of the float valve 12 is received in the connecting ring groove 146 and can extend into the connecting ring groove 146 or move out of the connecting ring groove 146 according to the water level in the tank 11; the sealing valve plate 145 has certain elasticity, and can be elastically deformed under the action of the float valve 12 to block the water inlet 111.

Referring further to fig. 8, in other preferred embodiments, a guide mechanism 112 vertically extends downward from an inner surface of the top wall of the tank 11, and the guide mechanism 112 is used for guiding and limiting the lifting direction of the float valve 12 and the protection valve 13. It can be understood that the floating valve 12 and the protection valve 13 are lifted by the buoyancy of the water in the tank body 11, and the guiding mechanism 112 is arranged, so that the lifting position and direction of the floating valve 12 and the protection valve 13 are limited, the floating valve 12 and the protection valve 13 can be ensured to timely block the water inlet 111 and the water outlet 141, so that the external water is effectively prevented from continuously entering the tank body 11, the secondary protection of adding water into the humidification tank 10 is realized, the problem that the patient is choked and coughed, suffocated and pneumonia related to the breathing machine is solved, and the use safety of the humidification tank 10 is improved.

In some embodiments, the guiding mechanism 112 includes a guiding circular tube 113, a first guiding column 114 and a second guiding column 115; the guide circular pipe 113 is formed by extending downwards from the inner surface of the top wall of the tank body 11 near the water inlet 111 and is used for guiding and limiting the lifting direction of the float valve 12; the first guide column 114 and the second guide column 115 are formed by extending downwards from the inner surface of the top wall of the tank 11 close to the water gap 141, that is, the first guide column 114 is formed by extending downwards from the inner surface of the top wall of the tank 11 at one side close to the water gap 141, and the second guide column 115 is formed by extending downwards from the inner surface of the top wall of the tank 11 at the other side close to the water gap 141; the first and second guide posts 114 and 115 serve to guide a lifting direction of the protection valve 13.

Referring to fig. 9 and 10 in a further combination, in other preferred embodiments, the humidification tank 10 further includes a float valve connection member 15, and the float valve connection member 15 is used for the float valve 12 to drive the protection valve 13 to lift and lower synchronously; one end of the float valve connecting piece 15 is fixed on the float valve 12, and the other end is slidably installed on the protection valve 13.

It can be understood that a notch 116 is formed on the side wall of the guide circular tube 113 facing the water passing port 141, and the float valve connecting piece 15 is lifted through the notch 116; the floating valve 12 drives the protection valve 13 to synchronously lift through the floating valve connecting piece 15; after the float valve 12 pushes the sealing water chute member 14 to block the water inlet 111, the height of the float valve 12 is not raised, but the protection valve 13 can be raised upwards relative to the float valve connecting member 15; when the water level in the tank 11 is lowered, the height of the protection valve 13 is lowered until the water level reaches a designated height, the protection valve 13 is lowered onto the float valve connecting piece 15, and then the height is lowered continuously along with the float valve 12 and the float valve connecting piece 15.

In some embodiments, the float valve coupling 15 includes a float valve fixing ring 151 and a protection valve carrier plate 152, the float valve fixing ring 151 and the protection valve carrier plate 152 being integrally formed; the float valve fixing ring 151 is sleeved on the float valve 12, and the protection valve 13 is slidably supported on the protection valve supporting plate 152.

Further, the floating valve fixing ring 151 is arranged in a circular ring shape, a guide tooth 153 vertically extends on an end surface facing the water inlet 111, the floating valve fixing ring 151 is sleeved on the floating valve 12, and the guide tooth 153 is accommodated in the guide circular tube 113 and used for limiting the radial movement of the floating valve 12 relative to the guide circular tube 113; a first positioning column 154 and a second positioning column 155 vertically extend from an end surface of the protection valve carrier plate 152 facing the water gap 141, a first guide groove 131 and a second guide groove 132 are formed in positions of the protection valve 13 corresponding to the first positioning column 154 and the second positioning column 155, the first positioning column 154 is slidably installed in the first guide groove 131, and the second positioning column 155 is installed in the second guide groove 132.

In other preferred embodiments, the humidification tank 10 is further provided with a water inlet micro-pipe, an air inlet 17, an air outlet 18 and a heating plate 19; the lower end of the water inlet micro-pipe is positioned in the water inlet 111, and the upper end of the water inlet micro-pipe protrudes out of the outer wall of the tank body 11; the air inlet 17 and the air outlet 18 are arranged on the top wall of the tank body 11, and the heating plate 19 is arranged at the bottom of the tank body 11 and used for sealing the tank body 11 and heating water in the tank body 11.

Referring to fig. 11 to 13, in some preferred embodiments, the external water is introduced into the water inlet 111 through the water inlet micro-pipe, then flows into the sealed end 142 of the sealed water chute 14, then flows into the water outlet 141 through the water chute 143 under the action of gravity, and then flows into the tank 11 through the water outlet 141, so that the water level in the tank 11 continuously rises, and when the floating valve 12 synchronously drives the protection valve 13 to float upward through the floating valve connecting member 15, the top of the floating valve 12 extends into the circular guide pipe 113; when the water level in the tank body 11 reaches a specified height, the sealing valve plate 145 of the sealing end 142 of the sealing water guide piece is pushed to block the water inlet 111; if the float valve 12 can push the sealing valve plate 145 to block the water inlet 111 in time, the outside water does not enter the tank body 11; if the sealed water guide channel member 14 and/or the water inlet 111 are worn or impurities are accumulated, the floating valve 12 pushes the sealing valve plate 145 to block the water inlet 111 in a contact manner, but the external water still can enter the sealed water guide channel member 14 through the water inlet 111, so that the water level in the tank body 11 continues to rise, the protection valve 13 continues to rise, and along with the continuous rise of the water level in the tank body 11, the protection valve 13 continues to float upwards, and after contacting the water passing port 141, the water passing port 141 is timely blocked, so that the external water is timely prevented from continuing to enter the tank body 11 (the inside of the tank body 11 refers to a cavity surrounded by the tank body 11 and the heating plate 19, and the space where the sealed water guide channel member 14 is located is not included); thereby realizing the secondary protection of adding water to the humidifying tank 10, avoiding the water in the tank body 11 from being overfilled, reducing the problems of patient's choking cough, suffocation, relevant pneumonia of a breathing machine and the like, and improving the use safety of the humidifying tank 10.

In a second embodiment of the present invention, a respiratory therapy device is provided, wherein the respiratory therapy device comprises a humidification canister 10 as described in the previous embodiments of the present invention. It can be understood that, in the respiratory therapy device provided by the present invention, by adopting the humidification tank 10 of the present invention, when the water level in the tank body 11 of the humidification tank 10 reaches a specified height, the float valve 12 pushes the sealing water guide channel member 14 to block the water inlet 111; when the water inlet 111 and/or the sealed water guide groove member 14 are worn and the sealed water guide groove member 14 cannot timely block the water inlet 111, the external water continuously enters the tank body 11, so that the water level in the tank body 11 continuously rises, the protection valve 13 continuously rises and continuously approaches the water passing port 141, and the water passing port 141 is timely blocked when the external water contacts the water passing port 141, so that the external water is effectively prevented from continuously entering the tank body 11, the secondary protection of adding water into the humidification tank 10 is realized, the problem that a patient is choked, choked and suffocated, the related pneumonia of a breathing machine and the like is solved, and the use safety of the respiratory therapy equipment is improved.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. A humidification canister comprising: the jar body, the water inlet has been seted up to the jar body, its characterized in that, the humidifying jar still includes:

2. The humidification canister of claim 1, wherein the sealed sink member comprises:

3. The humidification tank of claim 2,

the height of the inner surface of the groove bottom of the sealed water guide groove piece at the water passing opening is smaller than that at the sealed end.

4. The humidification tank of claim 2,

the sealing end is provided with a sealing valve plate which is protruded towards the water inlet and is used for plugging the water inlet when the water level in the tank body reaches a specified height;

5. The humidification tank of claim 4,

and a guide mechanism vertically extends downwards from the inner surface of the top wall of the tank body and is used for guiding and limiting the lifting direction of the float valve and the protection valve.

6. The humidification canister of claim 5, wherein the guide mechanism comprises:

7. The humidification tank of claim 6,

the humidifying tank also comprises a floating valve connecting piece, one end of the floating valve connecting piece is fixed on the floating valve, and the other end of the floating valve connecting piece is slidably provided with the protection valve;

8. The humidification tank of claim 7,

the float valve connecting piece comprises a float valve fixing ring and a protective valve bearing plate which are integrally formed;

9. The humidification tank of claim 8,

the floating valve fixing ring is arranged in a ring shape, guide teeth vertically extend from the end face, facing the water inlet, of the floating valve fixing ring, the floating valve fixing ring is sleeved on the floating valve, and the guide teeth are contained in the guide circular tube and used for limiting the radial movement of the floating valve relative to the guide circular tube;

10. A respiratory treatment apparatus, characterized in that it comprises a humidification canister as claimed in any one of claims 1 to 9.