CN112121278A - Humidifying tank and respiratory therapy equipment - Google Patents
Humidifying tank and respiratory therapy equipment Download PDFInfo
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- CN112121278A CN112121278A CN202011173425.4A CN202011173425A CN112121278A CN 112121278 A CN112121278 A CN 112121278A CN 202011173425 A CN202011173425 A CN 202011173425A CN 112121278 A CN112121278 A CN 112121278A
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- 238000002644 respiratory therapy Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 277
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 16
- 230000035945 sensitivity Effects 0.000 abstract description 10
- 230000029058 respiratory gaseous exchange Effects 0.000 description 12
- 206010003497 Asphyxia Diseases 0.000 description 6
- 206010035664 Pneumonia Diseases 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
- A61M16/162—Water-reservoir filling system, e.g. automatic
- A61M16/164—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system
- A61M16/165—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
- A61M16/162—Water-reservoir filling system, e.g. automatic
- A61M16/164—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system
- A61M16/165—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator
- A61M16/167—Water-reservoir filling system, e.g. automatic including a liquid inlet valve system with a float actuator acting vertically on the valve
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Air Humidification (AREA)
Abstract
The invention discloses a humidification tank and a respiratory therapy device, wherein the humidification tank comprises: jar body, jar body have been seted up first water inlet, and the humidifying jar still includes: one end of the water guide groove is arranged below the first water inlet of the tank body, and the other end of the water guide groove is provided with a second water inlet; the float valve is arranged below the first water inlet and the water guide groove and used for pushing the water guide groove to plug the first water inlet when the water level in the tank body reaches a preset height; the protective valve is arranged on the first side of the floating valve and used for plugging the second water inlet after the water level in the tank body exceeds a preset height; the balance valve is arranged on the second side of the floating valve; wherein the first side and the second side are oppositely arranged. Through setting up the balanced valve to control balanced valve and the relative float valve of protection valve pile up to set up, and then the effectual arrangement of balancing the protection valve, avoid float valve, protection valve and balanced valve barycenter skew to appear, guarantee float valve, protection valve and balanced valve's lift sensitivity, in time intercept liquid and get into the humidifying jar.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a humidification pot 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 problems, when the water level in the tank body reaches a preset height, the float valve blocks the water inlet in the single float valve structure of the existing humidification tank. But though the problem of the water yield overflow in the jar has been solved to a certain extent, but the sectional area of water inlet is less, and the easy breakage that produces of float valve upper end and water inlet after many times butt still can have the clearance after the butt between float valve and the water inlet for the humidifying jar loses the controllability to the water yield.
In order to overcome the defects of a single floating valve structure, a water inlet is additionally arranged at part of the humidification tank, external water firstly enters the water guide structure and then enters the tank body through the water guide structure, a protection valve is additionally arranged, when the floating valve cannot block the water inlet in time, the water guide structure is protected and blocked in time, however, the protection valve is required to be synchronously fixed on the floating valve in the design, the floating valve is heavier, the lifting sensitivity of the floating valve and the protection valve is further reduced, and liquid cannot be stopped in time to enter the humidification tank.
It can be seen that the prior art is still in need of improvement and development.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention aims to provide a humidification tank and a respiratory therapy apparatus, which aims to solve the problems that the existing humidification tank has a double-float valve structure, the gravity center shift causes the lifting sensitivity of the double-float valve, and the liquid inlet can not be stopped in time.
The technical scheme adopted by the invention for solving the technical problem is as follows: a humidification canister comprising: the jar body, first water inlet has been seted up to the jar body, wherein, the humidifying jar still includes:
one end of the water chute is arranged below the first water inlet of the tank body, and the other end of the water chute is provided with a second water inlet;
the floating valve is arranged below the first water inlet and the water guide groove and used for pushing the water guide groove to plug the first water inlet when the water level in the tank body reaches a preset height;
the protective valve is arranged on the first side of the floating valve and used for plugging the second water inlet after the water level in the tank body exceeds a preset height;
a balancing valve disposed on a second side of the float valve;
wherein the first side and the second side are oppositely disposed.
Further, the water chute includes:
the first end of the water guide groove body in the length direction is arranged between the first water inlet of the tank body and the float valve, and the second end of the water guide groove body in the length direction is arranged above the protection valve;
the sealing end is arranged at the first end of the water chute body in the length direction;
and the second water inlet end is arranged at the second end of the length direction of the water guide groove body, and the second water inlet is arranged at the bottom of the second water inlet end.
Further, the second water inlet end comprises:
a water inlet body;
the delivery port sets up to the horn mouth shape, and certainly the water inlet main part orientation the direction of protection valve extends the shaping.
Further, the protection valve includes:
a protection valve body;
the sealing part is arranged on the end face, facing the second water inlet end, of the protection valve main body and is in interference fit with the water outlet;
a first guide hole provided along a height direction of the protection valve main body;
and the second guide hole is arranged along the height direction of the protection valve main body.
Furthermore, the sealing part is arranged to be conical and matched with the water outlet, and the sealing part is matched with the conical surface of the water outlet.
Further, the balancing valve includes:
a balanced valve body;
and the third guide hole is formed along the length direction of the balance valve body.
Further, the inner surface of the roof of the jar body is downward vertical extension to have a guiding mechanism, guiding mechanism includes:
the guide circular pipe extends downwards from the inner surface of the top wall of the tank body at the first water inlet and is formed, an opening is formed in one side, facing the protective valve, of the guide circular pipe along the axial direction, and the guide circular pipe is connected with the float valve in a sliding mode;
the first guide column, the second guide column and the third guide column extend downwards from the inner surface of the top wall of the tank body;
wherein, the third guide post set up in one side of direction pipe, first guide post and second guide post set up in the opposite side of direction pipe, first guide post with first guiding hole sliding connection, the second guide post with second guiding hole sliding connection, the third guide post with third guiding hole sliding connection.
Further, the humidification pot also comprises a connecting piece;
the connector includes:
the double-valve connecting piece is sleeved on the floating valve, one end of the double-valve connecting piece is connected with the protection valve, and the other end of the double-valve connecting piece is connected with the balance valve;
and the water chute connecting piece is used for connecting the water chute to the top wall of the tank body.
Further, the float valve and the protection valve are integrally formed;
the tank body also comprises an air inlet, an air outlet and a heating assembly;
the air inlet and the air outlet are arranged on the top of the tank body and are symmetrically arranged relative to the first water inlet;
the heating assembly is connected to the bottom of the tank body.
The technical scheme adopted by the invention for solving the technical problem is as follows: a respiratory therapy apparatus, wherein the respiratory therapy apparatus comprises a humidification canister as described above.
Compared with the prior art, the invention provides a humidification tank and respiratory therapy equipment, wherein the humidification tank comprises: the jar body, first water inlet has been seted up to the jar body, the humidifying jar still includes: one end of the water chute is arranged below the first water inlet of the tank body, and the other end of the water chute is provided with a second water inlet; the floating valve is arranged below the first water inlet and the water guide groove and used for pushing the water guide groove to plug the first water inlet when the water level in the tank body reaches a preset height; the protective valve is arranged on the first side of the floating valve and used for plugging the second water inlet after the water level in the tank body exceeds a preset height; a balancing valve disposed on a second side of the float valve; wherein the first side and the second side are oppositely disposed. By arranging the water guide groove, 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 water guide groove to plug the water inlet; when the water inlet and/or the water chute are worn and the water chute cannot timely block the water inlet, the external 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, and the water passing port is timely blocked when the water passing port is contacted, so that the external water is effectively prevented from continuously entering the tank body, the secondary protection of adding water to the humidification tank is realized, the problems of over-full water in the tank body, the patient's choking, suffocation, ventilator-related pneumonia and the like are solved, and the use safety of the humidification tank is improved; further, through setting up the balanced valve, and control balanced valve and protection valve are relative the float valve piles up to set up, and then effectual balanced the arrangement of protection valve avoids the focus skew appears in float valve, protection valve and balanced valve, ensures the lift sensitivity of float valve, protection valve and balanced valve, in time stops liquid entering humidifying jar.
Drawings
FIG. 1 is a schematic perspective view of a humidification canister in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic exploded perspective view of a humidification canister in accordance with a preferred embodiment of the present invention;
FIG. 3 is a schematic top view of a humidification tank in accordance with a preferred embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line I-I of FIG. 3 according to the preferred embodiment of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic perspective view of a water chute of a humidification tank in accordance with a preferred embodiment of the present invention;
FIG. 7 is a schematic top view of a flume of a humidification tank in accordance with a preferred embodiment of the invention;
FIG. 8 is a schematic sectional view taken along line II-II of FIG. 7 in accordance with a preferred embodiment of the present invention;
FIG. 9 is an enlarged view of portion B of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic perspective view of the protective valve and the balance valve of the humidification tank in accordance with the preferred embodiment of the present invention;
FIG. 11 is a schematic perspective view of a body of a humidification tank in accordance with a preferred embodiment of the present invention;
description of reference numerals:
10. a humidifying tank; 11. a tank body; 12. a float valve; 13. a protection valve; 14. a water chute; 15. a balancing valve; 16. a connecting member; 17. an air inlet; 18. an air outlet; 19. a heating assembly; 111. a first water inlet; 112. a top wall; 113. a guide circular tube; 114. a first guide post; 115. a second guide post; 116. a third guide post; 117. an opening; 118. a guide mechanism; 131. a protection valve body; 132. a sealing part; 133. a first guide hole; 134. a second guide hole; 141. a second water inlet; 142. a water chute body; 143. sealing the end; 144. a second water inlet end; 145. a water inlet body; 146. a water outlet; 151. a balanced valve body; 152. a third guide hole; 161. a double valve connection; 162. a chute connector.
Detailed Description
The invention provides a humidification pot and a respiratory therapy device, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and examples. 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 problems, when the water level in the tank body reaches a preset height, the float valve blocks the water inlet in the single float valve structure of the existing humidification tank. But though the problem of the water yield overflow in the jar has been solved to a certain extent, but the sectional area of water inlet is less, and the easy breakage that produces of float valve upper end and water inlet after many times butt still can have the clearance after the butt between float valve and the water inlet for the humidifying jar loses the controllability to the water yield.
In order to overcome the defects of a single floating valve structure, a water inlet is additionally arranged at part of the humidification tank, external water firstly enters the water guide structure and then enters the tank body through the water guide structure, a protection valve is additionally arranged, when the floating valve cannot block the water inlet in time, the water guide structure is protected and blocked in time, however, the protection valve is required to be synchronously fixed on the floating valve in the design, the floating valve is heavier, the lifting sensitivity of the floating valve and the protection valve is further reduced, and liquid cannot be stopped in time to enter the humidification tank.
Based on the problems that the lifting sensitivity of the double-floating valve is caused by the gravity center shift of the existing humidification tank in the double-floating valve structure and the liquid can not be stopped in time, the invention provides the humidification tank and the respiratory therapy equipment, and the floating valve pushes the water guiding groove to block the water inlet when the water level in the tank body of the humidification tank reaches the designated height by arranging the water guiding groove, the floating valve and the protection valve; when the water inlet and/or the water chute are worn and the water chute cannot timely block the water inlet, the external 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, and the water passing port is timely blocked when the water passing port is contacted, so that the external water is effectively prevented from continuously entering the tank body, the secondary protection of adding water to the humidification tank is realized, the problems of over-full water in the tank body, the patient's choking, suffocation, ventilator-related pneumonia and the like are solved, and the use safety of the humidification tank is improved; further, through setting up the balanced valve, and control balanced valve and protection valve are relative the float valve piles up to set up, and then effectual balanced the arrangement of protection valve avoids the focus skew appears in float valve, protection valve and balanced valve, ensures the lift sensitivity of float valve, protection valve and balanced valve, in time stops liquid entering humidifying jar.
Referring to fig. 1 to 5, in a first embodiment of the present invention, a humidification tank 10 is provided, which includes: the water tank 11 is provided with a first water inlet 111; the humidification tank 10 further comprises: the device comprises a tank body 11, a water guide groove 14, a float valve 12, a protection valve 13 and a balance valve 15; one end of the water chute 14 is arranged below the first water inlet 111 of the tank body 11, and the other end of the water chute 14 is provided with a second water inlet 141; the float valve 12 is arranged below the first water inlet 111 and the water chute 14 and used for pushing the water chute 14 to block the first water inlet 111 when the water level in the tank body 11 reaches a preset height; the protection valve 13 is arranged on the first side of the float valve 12 and is used for plugging the second water inlet 141 after the water level in the tank body 11 exceeds a preset height; the balance valve 15 is arranged on the second side of the floating valve 12; wherein the first side and the second side are oppositely disposed.
It can be understood that the preset height of the water level in the tank 11 is not higher than the safe water level of the tank 11, and when the protection valve 13 seals the second water inlet 141, the water level in the tank 11 is also lower than the safe water level; the water chute 14 is arranged between the tank body 11 and the float valve 12, and between the tank body 11 and the protection valve 13; external liquid (such as water) firstly enters the water chute 14 through the first water inlet 111, and then enters the interior of the tank 11 through the second water inlet 141 on the water chute 14; the float valve 12 is arranged on one side of the water chute 14, which is far away from the first water inlet 111, and is arranged at an interval with the first water inlet 111 along the height direction, that is, the first water inlet 111, the water chute 14 and the float valve 12 are arranged in sequence from top to bottom in the height direction, and as the water level in the tank body 11 rises, the float valve 12 pushes the tank bottom of the water chute 14 to press and block the first water inlet 111, so as to stop external liquid from entering the tank body 11 in time; the other end of the water chute 14 is arranged above the protection valve 13, when the first water inlet 111 cannot be effectively blocked by the float valve 12, external liquid continues to enter the tank body 11 through the first water inlet 111, the water level inside the tank body 11 continues to rise, the protection valve 13 gradually rises, and when the water level is a certain level, the second water inlet 141 is blocked in time, so that the external water is stopped from continuing to enter the tank body 11 in time, thereby realizing secondary protection of adding water into the humidification tank 10, avoiding the overfilling of the water in the tank body 11, reducing the problems of choking, suffocation, ventilator-related pneumonia and the like of a patient, and improving the use safety of the humidification tank 10; it should be emphasized that, while the US book protection valve 13 is lifted, the balance valve 15 is lifted synchronously, so that the floating valve 12 is stressed uniformly, the gravity center deviation of the floating valve 12, the protection valve 13 and the balance valve 15 is avoided, the lifting sensitivity of the floating valve 12, the protection valve 13 and the balance valve 15 is ensured, and the liquid is stopped from entering the humidification tank 10 in time.
Referring further to fig. 6 to 9, in other preferred embodiments, the chute 14 includes: a chute body 142, a sealing end 143, and a second water inlet end 144; a first end of the water chute body 142 in the length direction is arranged between the first water inlet 111 of the tank 11 and the float valve 12, and a second end of the water chute body 142 in the length direction is arranged above the protection valve 13; the sealing end 143 is disposed at a first end of the water chute body 142 in the length direction; the second water inlet end 144 is disposed at a second end of the water chute body 142 in the length direction, and the second water inlet 141 is disposed at the bottom of the second water inlet end 144.
It can be understood that the water chute 14 is used for guiding the liquid entering through the first water inlet 111 into the tank 11, and the water chute 14 can both block the first water inlet 111 and play a role in guiding the water.
Further, the height of the inner surface of the bottom of the water chute body 142 decreases from the sealing end 143 to the second water inlet end 144; that is, an included angle α is formed between the bottom of the water chute body 142 and the horizontal plane, and the included angle α is 3 ° ± 0.5 °. It can be understood that the inner surface of the bottom of the water chute body 142 is inclined, the sealing end 143 is high, and the second water inlet end 144 is low, so as to ensure that the liquid flowing into the first water inlet 111 can timely flow into the second water inlet 141 under the action of gravity, and then flow into the tank 11 through the second water inlet 141.
In other preferred embodiments, the second water inlet 141 includes: a water inlet body 145 and a water outlet 146; the water outlet 146 is formed in a bell-mouth shape and extends from the water inlet body 145 toward the protection valve 13.
It is understood that the water outlet 146 is protruded toward the protection valve 13, and the cross-sectional area of the water outlet 146 is decreased in a direction toward the water guide groove 14 along the protection valve 13, thereby facilitating the insertion of the protection valve 13 into the sealing part 132.
Referring further to fig. 5 and 10 in combination, in other preferred embodiments, the protection valve 13 includes: a protection valve main body 131, a sealing part 132, a first guide hole 133, and a second guide hole 134; the sealing part 132 is disposed on an end surface of the protection valve body 131 facing the second water inlet end 144, and is in interference fit with the water outlet 146; the first guide hole 133 is provided in a height direction of the protection valve main body 131; the second guide hole 134 is provided in the height direction of the protection valve main body 131.
It is understood that the sealing portion 132 is disposed at the axial center of the protection valve main body 131, and the first guide hole 133 and the second guide hole 134 are symmetrically disposed at both sides of the sealing portion 132; the sealing part 132 is arranged on the protection valve 13, and the sealing part 132 is controlled to be in interference fit with the water outlet 146, so that the sealing part 132 is convenient to insert into the water passing hole; meanwhile, the sealing part 132 is in interference fit with the water outlet 146, so that the sealing stability of the protection valve 13 and the second water inlet 141 is effectively improved.
Further, the sealing portion 132 is configured to have a conical shape matching the water outlet 146 and to be in conical fit with the water outlet 146. It can be understood that, by setting the water outlet 146 to be in a flared shape and setting the sealing portion 132 to be in a conical shape matching with the water outlet 146, the sealing portion 132 and the water outlet 146 are in a conical fit, which facilitates the protection valve 13 to precisely and rapidly seal the second water inlet 141.
In other embodiments, the balancing valve 15 comprises: a balance valve body 151 and a third guide hole 152, the third guide hole 152 being provided along a length direction of the balance valve body 151. It is understood that the third pilot hole 152 is provided at the axial center of the balance valve body 151.
Referring further to FIG. 11, in other preferred embodiments, the inner surface of the top wall 112 of the tank 11 has a guide 118 extending vertically downward; the guide mechanism 118 includes: a guide circular tube 113, a first guide post 114, a second guide post 115 and a third guide post 116; the guide circular tube 113 extends downwards from the inner surface of the top wall 112 of the tank body 11 at the first water inlet 111, an opening 117 is formed in one side of the guide circular tube facing the protection valve 13 along the axial direction, and the guide circular tube 113 is connected with the float valve 12 in a sliding manner; it can be understood that one end of the float valve 12 is accommodated in the guide circular tube 113, and slides and rises in the guide circular tube 113 at any time according to the water level in the tank 11, thereby ensuring that the float valve 12 timely pushes the water chute 14 to block the first water inlet 111. Third guide post 116 set up in one side of direction pipe 113, first guide post 114 and second guide post 115 set up in the opposite side of direction pipe 113, first guide post 114 with first guiding hole 133 sliding connection, second guide post 115 with second guiding hole 134 sliding connection, third guide post 116 with third guiding hole 152 sliding connection. The lifting direction of the protection valve 13 is limited and guided by the first guide post 114 and the second guide post 115, and the lifting direction of the balance valve 15 is limited and guided by the third guide post 116.
Referring further to fig. 2, in other preferred embodiments, the humidification tank 10 further includes a connecting member 16; the connecting member 16 includes: a double valve connector 161 and a gutter connector 162; the double-valve connecting piece 161 is sleeved on the float valve 12, and one end of the double-valve connecting piece is connected with the protection valve 13, and the other end of the double-valve connecting piece is connected with the balance valve 15; the chute connector 162 is used to connect the chute 14 to the top wall 112 of the tank 11.
It can be understood that the double-valve connecting piece 161 is arranged, so that synchronous lifting of the protection valve 13 and the balance valve 15 is further ensured, gravity center offset of the float valve 12, the protection valve 13 and the balance valve 15 is avoided, the lifting sensitivity of the float valve 12, the protection valve 13 and the balance valve 15 is ensured, and liquid is stopped from entering the humidification tank 10 in time; the guiding gutter 14 is fixed and sealed on the top of the tank body 11 by arranging the guiding gutter connecting piece 162, so that a guarantee is provided for the humidification tank 10 to be provided with the secondary protection valve 13.
In other preferred embodiments, the float valve 12 and the protection valve 13 are integrally formed; the tank 11 further comprises an air inlet 17, an air outlet 18 and a heating assembly 19; the air inlet 17 and the air outlet 18 are arranged on the top of the tank body 11 and are symmetrically arranged relative to the first water inlet 111; the heating assembly 19 is attached to the bottom of the tank 11. It will be appreciated that the heating assembly 19 is used to heat the liquid in the tank 11, and the gas inlet 17 and outlet 18 are used for gas communication.
In a second embodiment of the invention there is provided a respiratory treatment apparatus comprising a humidification canister 10 as described in the above embodiments of the invention. It can be understood that the respiratory therapy equipment provided by the invention is provided with the humidification pot 10, so that the respiratory therapy equipment has the functions of wet slipping and temperature rising, and the use safety of the respiratory therapy equipment is improved.
Compared with the prior art, the invention provides a humidification tank and respiratory therapy equipment, wherein the humidification tank comprises: the jar body, first water inlet has been seted up to the jar body, the humidifying jar still includes: one end of the water chute is arranged below the first water inlet of the tank body, and the other end of the water chute is provided with a second water inlet; the floating valve is arranged below the first water inlet and the water guide groove and used for pushing the water guide groove to plug the first water inlet when the water level in the tank body reaches a preset height; the protective valve is arranged on the first side of the floating valve and used for plugging the second water inlet after the water level in the tank body exceeds a preset height; a balancing valve disposed on a second side of the float valve; wherein the first side and the second side are oppositely disposed. By arranging the water guide groove, 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 water guide groove to plug the water inlet; when the water inlet and/or the water chute are worn and the water chute cannot timely block the water inlet, the external 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, and the water passing port is timely blocked when the water passing port is contacted, so that the external water is effectively prevented from continuously entering the tank body, the secondary protection of adding water to the humidification tank is realized, the problems of over-full water in the tank body, the patient's choking, suffocation, ventilator-related pneumonia and the like are solved, and the use safety of the humidification tank is improved; further, through setting up the balanced valve, and control balanced valve and protection valve are relative the float valve piles up to set up, and then effectual balanced the arrangement of protection valve avoids the focus skew appears in float valve, protection valve and balanced valve, ensures the lift sensitivity of float valve, protection valve and balanced valve, in time stops liquid entering humidifying jar.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A humidification canister comprising: the jar body, first water inlet has been seted up to the jar body, its characterized in that, the humidifying jar still includes:
one end of the water chute is arranged below the first water inlet of the tank body, and the other end of the water chute is provided with a second water inlet;
the floating valve is arranged below the first water inlet and the water guide groove and used for pushing the water guide groove to plug the first water inlet when the water level in the tank body reaches a preset height;
the protective valve is arranged on the first side of the floating valve and used for plugging the second water inlet after the water level in the tank body exceeds a preset height;
a balancing valve disposed on a second side of the float valve;
wherein the first side and the second side are oppositely disposed.
2. The humidification canister of claim 1, wherein the water chute comprises:
the first end of the water guide groove body in the length direction is arranged between the first water inlet of the tank body and the float valve, and the second end of the water guide groove body in the length direction is arranged above the protection valve;
the sealing end is arranged at the first end of the water chute body in the length direction;
and the second water inlet end is arranged at the second end of the length direction of the water guide groove body, and the second water inlet is arranged at the bottom of the second water inlet end.
3. The humidification canister of claim 2, wherein the second water inlet end comprises:
a water inlet body;
the delivery port sets up to the horn mouth shape, and certainly the water inlet main part orientation the direction of protection valve extends the shaping.
4. The humidification canister of claim 3, wherein the protection valve comprises:
a protection valve body;
the sealing part is arranged on the end face, facing the second water inlet end, of the protection valve main body and is in interference fit with the water outlet;
a first guide hole provided along a height direction of the protection valve main body;
and the second guide hole is arranged along the height direction of the protection valve main body.
5. The humidification tank of claim 4,
the sealing part is arranged to be conical and matched with the water outlet, and the sealing part is matched with the conical surface of the water outlet.
6. The humidification canister of claim 4, wherein the balancing valve comprises:
a balanced valve body;
and the third guide hole is formed along the length direction of the balance valve body.
7. The humidification tank of claim 6,
the inner surface of the roof of the jar body extends perpendicularly downwards has guiding mechanism, guiding mechanism includes:
the guide circular pipe extends downwards from the inner surface of the top wall of the tank body at the first water inlet and is formed, an opening is formed in one side, facing the protective valve, of the guide circular pipe along the axial direction, and the guide circular pipe is connected with the float valve in a sliding mode;
the first guide column, the second guide column and the third guide column extend downwards from the inner surface of the top wall of the tank body;
wherein, the third guide post set up in one side of direction pipe, first guide post and second guide post set up in the opposite side of direction pipe, first guide post with first guiding hole sliding connection, the second guide post with second guiding hole sliding connection, the third guide post with third guiding hole sliding connection.
8. The humidification canister of claim 7, further comprising a connector;
the connector includes:
the double-valve connecting piece is sleeved on the floating valve, one end of the double-valve connecting piece is connected with the protection valve, and the other end of the double-valve connecting piece is connected with the balance valve;
and the water chute connecting piece is used for connecting the water chute to the top wall of the tank body.
9. The humidification tank of any one of claims 1 to 8,
the float valve and the protection valve are integrally formed;
the tank body also comprises an air inlet, an air outlet and a heating assembly;
the air inlet and the air outlet are arranged on the top of the tank body and are symmetrically arranged relative to the first water inlet;
the heating assembly is connected to the bottom of the tank body.
10. A respiratory therapy apparatus, characterized in that it comprises a humidification canister as claimed in any one of claims 1 to 9.
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| CN202011173425.4A CN112121278B (en) | 2020-10-28 | 2020-10-28 | Humidification tank and respiratory treatment equipment |
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| CN202011173425.4A CN112121278B (en) | 2020-10-28 | 2020-10-28 | Humidification tank and respiratory treatment equipment |
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| CN112121278A true CN112121278A (en) | 2020-12-25 |
| CN112121278B CN112121278B (en) | 2024-04-26 |
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|---|---|
| CN112121278B (en) | 2024-04-26 |
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