CN212593420U - Humidifying tank and respiratory therapy equipment - Google Patents

Abstract

The utility model discloses a humidifying jar and respiratory therapy equipment, humidifying jar are including a jar body, and the water inlet has been seted up to a jar body, and the below of water inlet is provided with the float valve, and the outer fringe of float valve is provided with the protection valve, and jar internal reservation has the mouth of a river of crossing that is located the float valve upper end, and the water of pouring into from the external world flows to the float valve below through water inlet, water crossing behind the mouth of a river in proper order, crosses the mouth of a river and is highly surpassed by the protection valve shutoff after appointed height at the come-up. When the water level in the tank body fails to reach the designated height, the water level in the tank body continues to rise under the condition that the water level is blocked by the floating valve in time, so that the floating height of the floating valve exceeds the designated height, and the water inlet is blocked under the driving of the floating valve by the protection valve which is newly added at the moment, so that water is prevented from continuing to enter the tank body, the secondary protection of adding water into the humidification tank is realized, the problem that the water in the tank body is overfull is avoided, the problems that a patient is choked and coughed, suffocates and pneumonia related to a breathing machine and the like are solved, 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 prior art not enough, an object of the utility model is to provide a humidifying jar and respiratory therapy equipment aims at improving current humidifying jar when the buoy up end damages, and the water injection pipe will unable to be hugged closely to the buoy up end, leads to water to flow from the clearance of water injection pipe and buoy up end, and the humidifying jar loses the problem to the controllability of water yield.

The utility model provides a technical scheme that technical problem adopted as follows: the utility model provides a humidifying tank, includes a jar body, the water inlet has been seted up to the jar body, wherein, the below of water inlet is provided with the float valve, the outer fringe of float valve is provided with the protection valve, the internal reservation of jar has to be located the mouth of a river of crossing of float valve upper end, and the water that pours into from the external world flows to behind water inlet, the mouth of a river of crossing in proper order the float valve below, cross the mouth of a river and be in the float valve's come-up height surpasss behind the assigned height by the protection valve shutoff.

Further, a sealing piece is arranged at the upper end of the float valve and used for plugging the water inlet when the water level rises to a specified height.

Furthermore, a connecting groove is formed in the upper end of the floating valve, a connecting bulge is arranged at the lower end of the sealing element, and the shape of the connecting bulge is matched with that of the connecting groove.

Furthermore, the protection valve and the float valve are integrally formed, detachably connected or fixedly connected and used for plugging the water passing opening after the floating height of the float valve exceeds a specified height.

Further, the protection valve is arranged to be in a horn mouth shape, and the protection valve is sleeved on the floating valve.

Furthermore, a hollow guide cylinder extends downwards from the inner surface of the top wall surface of the tank body;

the water inlet is arranged at the axis of the top of the hollow guide cylinder;

the top of the float valve can be separately contained in the hollow guide cylinder, and the water passing port is formed between the hollow guide cylinder and the float valve.

Further, the protection valve includes:

a protection valve body provided on an outer side of the float valve;

the outer ring body is fixedly arranged on the inner surface of one end of the hollow guide cylinder close to the float valve;

the water passing port is formed between the protection valve main body and the outer ring body, and the outer ring body and the protection valve main body are used for plugging the water passing port.

Furthermore, an outer ring concave platform for installing the outer ring body is annularly arranged on the inner surface of the hollow guide cylinder close to the opening;

and a protection concave table for installing the protection valve main body is arranged on the outer surface of the floating valve.

Further, the humidification tank further comprises:

the lower end of the water inlet micro-pipe is positioned in the hollow guide cylinder, and the upper end of the water inlet micro-pipe protrudes out of the outer wall of the tank body;

when the floating height of the floating valve reaches a designated height, the sealing element blocks the water inlet micro-pipe, the protection valve main body is positioned at the lower end of the outer ring body, and a gap is formed between the protection valve main body and the outer ring body;

when the floating height of the floating valve exceeds the designated height, the sealing piece blocks the water inlet micro-pipe, and the protection valve main body is extruded and attached to the lower surface of the outer ring body to block the water passing port.

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 jar and respiratory therapy equipment, the humidifying jar is including a jar body, the water inlet has been seted up to the jar body, the below of water inlet is provided with the float valve, the outer fringe of float valve is provided with the protection valve, the internal reservation of jar has and is located the mouth of a river of crossing of float valve upper end is gone through in proper order from external water that pours into the mouth of a river water inlet, cross behind the mouth of a river flow extremely the float valve below, cross the mouth of a river and be in the come-up height of float valve is surpassed behind the assigned height quilt the protection valve shutoff. When the water level in the tank body fails to reach the designated height, the water level in the tank body continues to rise under the condition that the water level is blocked by the floating valve in time, so that the floating height of the floating valve exceeds the designated height, and the water inlet is blocked under the driving of the floating valve by the protection valve which is newly added at the moment, so that water is prevented from continuing to enter the tank body, the secondary protection of adding water into the humidification tank is realized, the problem that the water in the tank body is overfull is avoided, the problems that a patient is choked and coughed, suffocates and pneumonia related to a breathing machine and the like are solved, 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 perspective exploded view of the humidification canister in accordance with the preferred embodiment of the present invention;

FIG. 4 is a schematic side view of a humidification canister in accordance with a preferred embodiment of the present invention;

FIG. 5 is a schematic sectional view taken along line I-I of FIG. 4 according to the preferred embodiment of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a schematic view of the modified structure of FIG. 6;

FIG. 8 is a schematic view of the modified structure of FIG. 6;

FIG. 9 is an enlarged schematic view of portion B of FIG. 6;

FIG. 10 is a schematic view of the modified structure of FIG. 6;

FIG. 11 is a schematic view of the deformed configuration of FIG. 10;

FIG. 12 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. a seal member; 15. a water inlet micro-pipe; 16. a water outlet; 17. an air inlet; 18. an air outlet; 19. heating the plate; 111. a water inlet; 112. a hollow guide cylinder; 113. an outer ring concave station; 121. a connecting groove; 122. protecting the concave platform; 131. an outer ring body; 132. a protection valve body; 141. and a connecting projection.

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.

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 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 problem that exists among the above-mentioned prior art humidifying jar, the utility model provides a novel humidifying jar additionally sets up a protection valve in the outer fringe of float valve, and then when the water inlet fails to reach the assigned height at the internal water level of jar, by under the timely shutoff of float valve the condition, the internal water level of jar continues to rise, and then makes the come-up height of float valve exceed the assigned height, and the protection valve that newly adds at this moment under the drive of float valve the shutoff water inlet, and then the prevention water continues to get into jar body, and then realize the watered second grade protection of humidifying jar, avoids the internal water volume of jar to overfill, reduces patient and chocks and coughs, suffocates and breathing machine correlation pneumonia scheduling problem, promotes the safety in utilization of humidifying jar.

Referring to fig. 2 to 5, the first embodiment of the present invention provides a humidification tank 10, wherein the humidification tank 10 includes a tank body 11 (the present invention refers to a casing of the humidification tank 10), a water inlet 111 is provided on the tank body 11, a float valve 12 is provided inside the tank body 11, the float valve 12 is provided below the water inlet 111 of the tank body 11, a water outlet 16 located at the upper end of the float valve 12 is reserved in the tank body 11, and a protection valve 13 is provided at the outer edge of the float valve 12.

Liquid injected from the outside flows to the lower part of the float valve 12 after sequentially passing through the water inlet 111 and the water passing port 16 and enters the inside of the tank body 11; the water level is increased along with the increase of the water in the humidification tank 10, the rising height of the float valve 12 is also increased, and under normal conditions, when the water level in the tank body 11 reaches a specified height, the float valve 12 can normally block the water inlet 111, so that the water is stopped from continuously entering the tank body 11.

However, when the float valve 12 and/or the water inlet 111 are worn, when the water level in the tank 11 reaches a specified height, the float valve 12 cannot normally stop water from entering the tank 11, that is, water still continuously flows into the tank 11, so that the water level in the tank 11 still continuously rises, and the safety of a patient is endangered; that is to say, the floating height of float valve 12 surpasses the appointed height, and external water still constantly gets into jar body 11, and at this moment, set up in the timely shutoff of protection valve 13 on the outer aid of float valve 12 crosses the mouth of a river 16, and then in time stop the water and continue to flow into jar body 11, and then realize the watered second grade protection of humidification jar 10, avoid jar internal water volume to be too full too high, reduce the patient and choke and cough, suffocate and breathing machine correlation pneumonia scheduling problem, promote humidification jar 10's safety in utilization.

It can be understood that the humidifying tank 10 provided in the utility model has two sets of valve bodies on the structure for preventing water from entering the tank body 11, wherein the float valve 12 is a first-stage valve body, and the protection valve 13 is a second-stage valve body; when the first-stage valve body can not effectively stop water flow, the second-stage valve body stops water flow, so that the humidification tank 10 has a second-stage protection function on water level control, the problems that the water volume in the tank body 11 is too full, the patient is choked and coughed, suffocates, pneumonia related to a breathing machine and the like are reduced, and the use safety of the humidification tank 10 is improved.

It should be noted that, to the humidification 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 humidification 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.

Referring to fig. 6 to 8 in a further preferred embodiment, the present invention provides a humidification tank 10, wherein the humidification tank 10 includes a tank body 11 (a housing of the middle finger humidification tank 10 of the present invention), a sealing member 14 and a float valve 12 are disposed inside the tank body 11, the sealing member 14 may be a part of the float valve 12, or the sealing member 14 and the float valve 12 may be two relatively independent components; further, a connecting groove 121 is formed in the upper end of the float valve 12, a connecting protrusion 141 is arranged at the lower end of the sealing element 14, and the shape of the connecting protrusion 141 is matched with the shape of the connecting groove 121. The sealing element 14 is arranged below the water inlet 111 of the tank body 11, the float valve 12 is arranged below the sealing element 14, and as the water level of the water in the tank body 11 of the humidification tank 10 increases continuously, the height of the float valve 12 rises along with the water level, and the sealing element 14 is pushed to rise gradually until the sealing element 14 blocks the water inlet 111.

Furthermore, the sealing element 14 is of a hollow structure, so that the upper end surface of the sealing element 14 is not subjected to a supporting force below, and can be stressed to be concave when being attached to the lower end surface of the water inlet 111, thereby improving the sealing performance of the sealing element 14; meanwhile, a stroke space is provided for the protection valve 13 to be in place for plugging the water passing port 16.

And simultaneously, the utility model discloses still reserve in the side of the upper end of float valve 12 and have a mouth of a river 16, the water that injects from water inlet 111 gets into jar body 11 back, will flow into jar body 11 in must pass through mouth of a river 16, in order to prevent that sealing member 14 from becoming invalid and bring the potential safety hazard, the utility model discloses still set up float valve 12 when reacing the assigned height, will cross 16 shutoff at the mouth of a river through protection valve 13 to prevent that sealing member 14 from becoming invalid after, will cross mouth of a river 16 and stop through protection valve 13, the water level that stops jar internal 11 continues to increase. The protection valve 13 may be a part of the float valve 12, or the protection valve 13 and the float valve 12 may be configured independently of each other. That is, the protection valve 13 is integrally formed, detachably connected, or fixedly connected to the float valve 12.

In other preferred modes, the humidification tank 10 can also adopt another mode when controlling the water level in the tank body 11, which is as follows: as the water level in the tank body 11 of the humidification tank 10 is increased continuously, the height of the float valve 12 is increased, the protection valve 13 can be started to block the water passing port 16, and therefore the water level in the tank body 11 is prevented from being increased continuously. If the protection valve 13 is failed, the liquid continuously enters the tank body 11 of the humidification tank 10, the water level is continuously raised again, and after the water level rises to another specified height, the sealing member 14 is pushed to rise to block the water inlet 111, so that the water level in the tank body 11 is prevented from continuously rising to overflow from the air inlet or the air outlet of the humidification tank 10. 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.

In some embodiments, as water continuously flows into the humidification tank 10, the float valve 12 is continuously lifted and continuously approaches the water inlet 111, and after the water level reaches a designated height, the water inlet 111 is contacted and blocked.

As a modification of this embodiment, the water passing opening 16 is arranged as a water passing gap, the outer edge of the float valve 12 is provided with a protection valve 13, and the protection valve 13 and the float valve 12 are integrally formed, detachably connected or fixedly connected; the protection valve 13 is used for plugging the water passing port 16 after the floating height of the floating valve 12 exceeds a specified height; that is, when the rising height of the float valve 12 exceeds a designated height, the drain port 16 is sealed by the protection valve 13.

In other embodiments, if the protection valve 13 is removed and the float valve 12 is directly used to block the water passing gap, the float valve 12 needs to be lifted to a higher position or the volume of the float valve 12 is increased, the length of the hollow guide cylinder 112 is increased, etc. to block the water passing gap, which may cause the following problems: 1. the water level in the tank body is higher than the safe water level, so that the scheme of the water passing port 16 cannot be realized; 2. the weight of the float valve 12 is increased, the required buoyancy is increased, and the water passing port 16 and even the water inlet 111 cannot be plugged; 3. increasing the production difficulty of the humidification tank 10 and the like.

The utility model discloses preferred protection valve 13 and float valve 12 fixed connection (the concrete connection mode has a lot of, for example establishes the protection valve 13 in the float valve 12 outer fringe with interference fit's mode cover, bonds protection valve 13 in the float valve 12 outer fringe with the mode of waterproof glue, again perhaps the spiro union in the foreign aid of float valve 12). Because the protection valve 13 and the float valve 12 are usually made of different materials and have different production processes, compared with an integrally formed structure, the split structure is more convenient to produce and has lower cost.

Further, a protection concave platform 122 is annularly arranged on the outer surface of the float valve 12, and the protection concave platform 122 is matched with the protection valve 13 and used for installing and bearing the protection valve 13. Specifically, the longitudinal section of the float valve 12 is in a convex shape, and the protection concave table 122 is formed along the outer surface of the float valve 12 along an annular concave shape, so that the float valve 12 bears the protection valve 13, and the protection valve 13 is driven to block the water passing port 16.

In other embodiments, the protection valve 13 is provided in the form of a bell mouth; it will be appreciated that, in the assembled condition, the protection valve 13 is fitted over the float valve 12; specifically, the protection valve 13 and the float valve 12 are in interference fit, adhesion or threaded connection.

Specifically, the protection valve 13 includes a fixing portion and a sealing portion that are integrally formed; the fixed portion is connected to the protection valve 13, and the sealing portion is used for sealing the water passing opening 16. It can be understood that the sealing portion is made of a soft material and has a certain elastic deformation capability, so as to ensure the sealing effect of the protection valve 13 on the water passing opening 16.

In other preferred embodiments, the inner surface of the can 11 that is avoided at the top thereof extends downwardly with a hollow guide cylinder 112; the water inlet 111 is arranged at the axis of the top of the hollow guide cylinder 112; the top of the float valve 12 is detachably received in the hollow guide cylinder 112, and the drainage port 16 is formed between the hollow guide cylinder 112 and the float valve 12. It is understood that the top of the float valve 12 is received in the hollow guide cylinder 112, and the hollow guide cylinder 112 is used for limiting the ascending and descending directions of the float valve 12 when the water level in the tank 11 changes; meanwhile, when the float valve 12 is accommodated in the hollow guiding cylinder 112, a gap exists between the outer surface of the float valve 12 and the inner surface of the hollow guiding cylinder 112; that is, the drain port 16 or a water gap is formed between the outer surface of the float valve 12 and the inner surface of the hollow guide cylinder 112.

In other preferred embodiments, the protection valve 13 includes a protection valve main body 132 and an outer ring body 131; the protection valve main body 132 is provided on the outer side of the float valve 12; the outer ring body 131 is fixedly arranged on the inner surface of one end of the hollow guide cylinder 112 close to the float valve 12; the excess water opening 16 is formed between the protection valve main body 132 and the outer ring body 131, and the outer ring body 131 and the protection valve main body 132 are used for sealing the excess water opening 16. It can be understood that the outer ring body 131 is disposed at the upper end of the protection valve main body 132, when the float valve 12 fails to timely and effectively block the water inlet 111, the protection valve main body 132 gradually rises and gradually contacts and seals the outer ring body 131, so as to timely and effectively block the water passing port 16, so that the humidification tank 10 has a secondary protection function in water level control, thereby preventing the water in the tank body 11 from being overfilled, reducing the problems of patient's choking cough, suffocation, ventilator-related pneumonia and the like, and improving the safety of the humidification tank 10.

With further reference to fig. 9, an outer ring concave platform for installing the outer ring body 131 is formed around the inner surface of the hollow guiding cylinder 112 near the opening; a protection concave table 122 for installing the protection valve main body 132 is arranged on the outer surface of the floating valve 12; it can be understood that when the float valve 12 floats upwards, the protection valve 13 is pushed to rise upwards by the protection concave platform 122, so as to gradually approach the outer ring body 131, and contact and press the outer ring body 131; the outer ring body 131 is necessarily pushed upwards by the protection valve 13, and the protection valve main body 132 is effectively stopped under the action of the outer ring concave table, so that the water inlet 16 is stopped together with the protection valve main body 132.

In some preferred embodiments, the humidification tank is further provided with an air inlet 17, an air outlet 18 and a heating plate 19, wherein the air inlet 17 and the air outlet 18 are opened at the top of the tank body 11, and the heating plate 19 is installed at the bottom of the tank body 11 and is used for heating the water in the tank body 11.

Referring further to fig. 6 to 8, in some preferred embodiments, when water continuously flows into the humidification tank 10, the water level in the tank 11 continuously rises, the float valve 12 continuously rises, so that the sealing member 14 at the top of the float valve 12 is continuously close to the water inlet 111, and contacts and seals the water inlet 111 when the water level in the tank 11 reaches a specified level, thereby preventing external water from continuously entering the tank 11; when the sealing element 14 and/or the water inlet 111 are worn or garbage is accumulated, the sealing element 14 cannot effectively block the water inlet 111, so that outside water continues to enter the tank body 11, the water level in the tank body 11 continues to rise after reaching a specified height, the float valve 12 continues to rise, the protection valve main body 132 is further synchronously driven to continue to rise and gradually approach the outer ring body 131, and after contacting the outer ring body 131, the water passing opening 16 is blocked by being matched with the outer ring body 131, so that water is effectively prevented from continuing to enter the tank body 11 (the inside of the tank body 11 refers to a space outside the hollow guide cylinder 112).

Referring further to fig. 10 to 12, in some preferred embodiments, the humidification tank 10 further includes a water inlet microtube 15, a lower end of the water inlet microtube 15 is located in the hollow guiding cylinder 112, and an upper end of the water inlet microtube 15 protrudes out of the tank 11; further, the water inlet micro-pipe 15 is installed in the water inlet 111, and the process that the floating valve 12 and the protection valve 13 control water to enter the tank body 11 is the same, only the plugging object of the sealing element 14 is replaced by the water inlet micro-pipe 15, and the specific process is not described again.

The utility model also provides a respiratory therapy equipment, which comprises the humidifying pot 10 in the above embodiment of the utility model. It can be understood that a protection valve 13 is additionally arranged at the outer edge of the float valve 12, and further under the condition that the water inlet 111 is not plugged by the float valve 12 in time when the water level in the tank body 11 reaches the designated height, the water level in the tank body 11 continues to rise, so that the floating height of the float valve 12 exceeds the designated height, and the protection valve 13 which is newly added at this time plugs the water inlet 111 under the driving of the float valve 12, so as to prevent water from continuing to enter the tank body 11, further realize the secondary protection of adding water to the humidification tank 10, avoid the water volume in the tank body 11 from being overfilled, reduce the problems of choking and coughing of a patient, suffocation of the patient, relevant pneumonia of a breathing machine and the like, and improve the use safety of the respiratory therapy equipment.

Compared with the prior art, the utility model provides a humidifying jar and respiratory therapy equipment, the humidifying jar is including a jar body, the water inlet has been seted up to the jar body, the below of water inlet is provided with the float valve, the outer fringe of float valve is provided with the protection valve, the internal reservation of jar has and is located the mouth of a river of crossing of float valve upper end is gone through in proper order from external water that pours into the mouth of a river water inlet, cross behind the mouth of a river flow extremely the float valve below, cross the mouth of a river and be in the come-up height of float valve is surpassed behind the assigned height quilt the protection valve shutoff. When the water level in the tank body fails to reach the designated height, the water level in the tank body continues to rise under the condition that the water level is blocked by the floating valve in time, so that the floating height of the floating valve exceeds the designated height, and the water inlet is blocked under the driving of the floating valve by the protection valve which is newly added at the moment, so that water is prevented from continuing to enter the tank body, the secondary protection of adding water into the humidification tank is realized, the problem that the water in the tank body is overfull is avoided, the problems that a patient is choked and coughed, suffocates and pneumonia related to a breathing machine and the like are solved, and the use safety of the humidification tank 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 (10)

1. A humidification canister comprising: the water inlet is formed in the tank body, and the water inlet is characterized in that a floating valve is arranged below the water inlet, a protection valve is arranged at the outer edge of the floating valve, a water passing port located at the upper end of the floating valve is reserved in the tank body, water injected from the outside flows to the position below the floating valve after passing through the water inlet and the water passing port in sequence, and the water passing port is blocked by the protection valve after the floating height of the floating valve exceeds a specified height.

2. The humidification tank of claim 1,

and a sealing piece is arranged at the upper end of the float valve and used for plugging the water inlet when the water level rises to a specified height.

3. The humidification tank of claim 2,

a connecting groove is formed in the upper end of the floating valve, a connecting bulge is arranged at the lower end of the sealing element, and the shape of the connecting bulge is matched with that of the connecting groove.

4. The humidification tank of claim 2,

the protection valve and the floating valve are integrally formed, detachably connected or fixedly connected and are used for plugging the water passing port after the floating height of the floating valve exceeds a specified height.

5. The humidification tank of claim 4,

the protection valve is arranged in a horn mouth shape, and the protection valve is sleeved on the floating valve.

6. The humidification tank of claim 5,

a hollow guide cylinder extends downwards from the inner surface of the top wall surface of the tank body;

the water inlet is arranged at the axis of the top of the hollow guide cylinder;

the top of the float valve can be separately contained in the hollow guide cylinder, and the water passing port is formed between the hollow guide cylinder and the float valve.

7. The humidification canister of claim 6, wherein the protection valve comprises:

a protection valve body provided on an outer side of the float valve;

the outer ring body is fixedly arranged on the inner surface of one end of the hollow guide cylinder close to the float valve;

the water passing port is formed between the protection valve main body and the outer ring body, and the outer ring body and the protection valve main body are used for plugging the water passing port.

8. The humidification tank of claim 7,

the inner surface of the hollow guide cylinder is close to the opening and is annularly provided with an outer ring concave platform for mounting the outer ring body;

and a protection concave table for installing the protection valve main body is arranged on the outer surface of the floating valve.

9. The humidification tank of claim 7, further comprising:

the lower end of the water inlet micro-pipe is positioned in the hollow guide cylinder, and the upper end of the water inlet micro-pipe protrudes out of the outer wall of the tank body;

when the floating height of the floating valve reaches a designated height, the sealing element blocks the water inlet micro-pipe, the protection valve main body is positioned at the lower end of the outer ring body, and a gap is formed between the protection valve main body and the outer ring body;

when the floating height of the floating valve exceeds the designated height, the sealing piece blocks the water inlet micro-pipe, and the protection valve main body is extruded and attached to the lower surface of the outer ring body to block the water passing port.

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

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