CN112121278B - Humidification tank and respiratory treatment equipment - Google Patents
Humidification tank and respiratory treatment equipment Download PDFInfo
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- CN112121278B CN112121278B CN202011173425.4A CN202011173425A CN112121278B CN 112121278 B CN112121278 B CN 112121278B CN 202011173425 A CN202011173425 A CN 202011173425A CN 112121278 B CN112121278 B CN 112121278B
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- 230000000241 respiratory effect Effects 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 284
- 238000007789 sealing Methods 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000002644 respiratory therapy Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 16
- 230000035945 sensitivity Effects 0.000 abstract description 10
- 230000000903 blocking effect Effects 0.000 abstract 1
- 206010035664 Pneumonia Diseases 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 206010003497 Asphyxia Diseases 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action 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
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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 respiratory treatment equipment, the humidification tank comprises: the jar body, first water inlet has been seted up to the jar body, and 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 floating valve is arranged below the first water inlet and the water guide groove and is used for pushing the water guide groove to block the first water inlet when the water level in the tank body reaches a preset height; the protection valve is arranged at the first side of the floating valve and is used for blocking the second water inlet after the water level in the tank body exceeds the preset height; the balance valve is arranged on the second side of the floating valve; wherein the first side and the second side are disposed opposite. Through setting up the balanced valve to control balanced valve and protection valve pile into the setting relatively the floating valve, and then effectually balanced the arrangement of protection valve, avoid floating valve, protection valve and balanced valve to appear the focus skew, guarantee the lift sensitivity of floating valve, protection valve and balanced valve, in time stop liquid entering humidification jar.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a humidification tank and respiratory treatment equipment.
Background
The ventilator humidification tank is an instrument used with a ventilator (or other respiratory treatment equipment with the same function), moisture is stored in the ventilator humidification tank, and the ventilator humidification tank is usually connected between the ventilator and a gas conveying pipeline and is used for humidifying passing gas; if the humidification tank is heated, the passing gas may also be heated. The humidifying tank is required to ensure that the water adding amount cannot exceed a certain height when water is added, otherwise, water enters the gas conveying pipeline due to overflow, so that choking cough occurs to a patient, the occurrence probability of patient-related pneumonia is increased, the illness state of the patient can be aggravated, and even suffocation of the patient is caused when the patient is in danger. In order to solve the problems, the existing humidifying tank has a single floating valve structure, and when the water level in the tank body reaches a preset height, the floating valve seals the water inlet. However, although the problem of overflow of water in the tank is solved to a certain extent, the sectional area of the water inlet is smaller, the upper end of the floating valve is easy to break after being abutted with the water inlet for many times, and a gap still exists between the floating valve and the water inlet after being abutted with each other, so that the humidifying tank loses the capacity of controlling the water quantity.
In order to overcome the defect of a single floating valve structure, a part of humidification tanks are additionally provided with a water inlet, external water firstly enters the water guide structure and then enters the tank body through the water guide structure, and a protection valve is additionally provided, when the floating valve can not timely block the water inlet, the protection valve can timely block the water guide structure, but the design needs to synchronously fix the protection valve on the floating valve, so that the floating valve is unbalanced, 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 tanks.
It can be seen that the prior art is still in need of improvement and development.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide a humidification tank and respiratory therapy equipment, and aims to solve the problems that the lifting sensitivity of a double float valve is low and liquid entering cannot be stopped in time due to gravity center deviation of the double float valve structure of the existing humidification tank.
The technical scheme adopted for solving the technical problems is as follows: a humidification tank comprising: the jar body, the jar body has seted up first water inlet, wherein, 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 floating valve is arranged below the first water inlet and the water guide groove and is used for pushing the water guide groove to seal the first water inlet when the water level in the tank body reaches a preset height;
The protection valve is arranged on the first side of the floating valve and is used for sealing the second water inlet after the water level in the tank body exceeds a preset height;
a balance valve disposed on a second side of the float valve;
wherein the first side and the second side are disposed opposite.
Further, the water guide groove 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 floating 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 on the first end of the water guide groove body in the length direction;
The second water inlet end is arranged on the second end of the length direction of the water guide groove body, and the second water inlet is formed in the bottom of the second water inlet end.
Further, the second water inlet end includes:
a water inlet body;
The water outlet is in a horn shape and extends from the water inlet main body towards the protection valve.
Further, the protection valve includes:
a protection valve body;
the sealing part is arranged on the end face of the protection valve main body, facing the second water inlet end, and is in interference fit with the water outlet;
The first guide hole is arranged along the 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.
Further, the sealing part is arranged in a conical shape matched with the water outlet and is matched with the conical surface of the water outlet.
Further, the balance valve includes:
a balance valve body;
And the third guide hole is arranged along the length direction of the balance valve body.
Further, the inner surface of the top wall of the tank body is vertically extended downwards to form a guide mechanism, and the guide mechanism comprises:
The guide circular tube extends downwards from the inner surface of the top wall of the tank body at the first water inlet to form, and is axially provided with an opening towards one side of the protection valve, and the guide circular tube is in sliding connection with the floating valve;
The first guide column, the second guide column and the third guide column are formed by extending downwards from the inner surface of the top wall of the tank body;
the third guide column is arranged on one side of the guide circular tube, the first guide column and the second guide column are arranged on the other side of the guide circular tube, the first guide column is in sliding connection with the first guide hole, the second guide column is in sliding connection with the second guide hole, and the third guide column is in sliding connection with the third guide hole.
Further, the humidifying tank further 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;
The water guide groove connecting piece is used for connecting the water guide groove on the top wall of the tank body.
Further, the float valve and the protection valve are integrally formed;
The tank body further comprises an air inlet, an air outlet and a heating component;
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 component is connected to the bottom of the tank body.
The technical scheme adopted for solving the technical problems is as follows: a respiratory therapy apparatus, wherein the respiratory therapy apparatus comprises a humidification tank as described above.
Compared with the prior art, the invention provides a humidification tank and respiratory treatment equipment, wherein the humidification tank comprises: the jar body, first water inlet has been seted up to the jar body, 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 floating valve is arranged below the first water inlet and the water guide groove and is used for pushing the water guide groove to seal the first water inlet when the water level in the tank body reaches a preset height; the protection valve is arranged on the first side of the floating valve and is used for sealing the second water inlet after the water level in the tank body exceeds a preset height; a balance valve disposed on a second side of the float valve; wherein the first side and the second side are disposed opposite. Through setting up guiding gutter, floating valve and protective valve, and then when the water level in the tank body of the said humidification tank reaches the appointed height, the said floating valve promotes the said guiding gutter to seal up the said water inlet; when the water inlet and/or the water guide groove are worn, the water guide groove can not timely seal the water inlet, external water continuously enters the tank body, so that the water level in the tank body continuously rises, the protection valve continuously rises and continuously approaches the water passing opening, and when contacting the water passing opening, the water passing opening is timely sealed, 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 excessive water volume in the tank body, patient choking, ventilator-related pneumonia and the like are reduced, 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 floating valve pile sets up, and then effectually balanced the arrangement of protection valve, avoid the focus skew appears in floating valve, protection valve and balanced valve, guarantee the lift sensitivity of floating valve, protection valve and balanced valve in time stops liquid entering humidification jar.
Drawings
FIG. 1 is a schematic perspective view of a humidification tank according to a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective exploded view of a humidification tank in a preferred embodiment of the present invention;
FIG. 3 is a schematic top view of a humidification tank in a preferred embodiment of the invention;
FIG. 4 is a schematic view showing a cross section in the direction I-I in FIG. 3 according to the preferred embodiment of the present invention;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic perspective view of a water guide tank of a humidifying pot in a preferred embodiment of the invention;
FIG. 7 is a schematic top view of a water guide tank of a humidification tank in a preferred embodiment of the invention;
FIG. 8 is a schematic view showing a cross-section in the direction II-II in FIG. 7 in accordance with the preferred embodiment of the present invention;
FIG. 9 is an enlarged schematic view of portion B of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic perspective view of a protection valve and a balance valve of a humidification tank according to a preferred embodiment of the present invention;
FIG. 11 is a schematic perspective view of a tank body of a humidification tank in a preferred embodiment of the present invention;
reference numerals illustrate:
10. A humidifying tank; 11. a tank body; 12. a float valve; 13. a protection valve; 14. a water guide groove; 15. a balancing valve; 16. a connecting piece; 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 guide tank body; 143. sealing the end; 144. a second water inlet end; 145. a water inlet body; 146. a water outlet; 151. a balance valve body; 152. a third guide hole; 161. a double valve connector; 162. and a water guide groove connecting piece.
Detailed Description
The invention provides a humidification tank and respiratory treatment equipment, which are used for making the purposes, technical schemes and effects of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The ventilator humidification tank is an instrument used with a ventilator (or other respiratory treatment equipment with the same function), moisture is stored in the ventilator humidification tank, and the ventilator humidification tank is usually connected between the ventilator and a gas conveying pipeline and is used for humidifying passing gas; if the humidification tank is heated, the passing gas may also be heated. The humidifying tank is required to ensure that the water adding amount cannot exceed a certain height when water is added, otherwise, water enters the gas conveying pipeline due to overflow, so that choking cough occurs to a patient, the occurrence probability of patient-related pneumonia is increased, the illness state of the patient can be aggravated, and even suffocation of the patient is caused when the patient is in danger. In order to solve the problems, the existing humidifying tank has a single floating valve structure, and when the water level in the tank body reaches a preset height, the floating valve seals the water inlet. However, although the problem of overflow of water in the tank is solved to a certain extent, the sectional area of the water inlet is smaller, the upper end of the floating valve is easy to break after being abutted with the water inlet for many times, and a gap still exists between the floating valve and the water inlet after being abutted with each other, so that the humidifying tank loses the capacity of controlling the water quantity.
In order to overcome the defect of a single floating valve structure, a part of the water inlet of the humidifying tank is additionally provided, external water firstly enters the water guide structure and then enters the tank body through the water guide structure, and a protection valve is additionally provided, when the floating valve cannot timely block the water inlet, the water guide structure is blocked in time, but the protection valve is required to be synchronously fixed on the floating valve by the design, so that the floating valve is unbalanced, the lifting sensitivity of the floating valve and the protection valve is further reduced, and the liquid cannot be stopped in time to enter the humidifying tank.
Based on the problem that the lifting sensitivity of the double floating valves is caused by gravity center deviation of the existing humidifying tank in the double floating valve structure, and liquid can not be stopped in time, the invention provides the humidifying tank and the respiratory treatment equipment, and the water inlet is blocked by the water guide tank, the floating valve and the protection valve when the water level in the tank body of the humidifying tank reaches the designated height; when the water inlet and/or the water guide groove are worn, the water guide groove can not timely seal the water inlet, external water continuously enters the tank body, so that the water level in the tank body continuously rises, the protection valve continuously rises and continuously approaches the water passing opening, and when contacting the water passing opening, the water passing opening is timely sealed, 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 excessive water volume in the tank body, patient choking, ventilator-related pneumonia and the like are reduced, 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 floating valve pile sets up, and then effectually balanced the arrangement of protection valve, avoid the focus skew appears in floating valve, protection valve and balanced valve, guarantee the lift sensitivity of floating valve, protection valve and balanced valve in time stops liquid entering humidification jar.
Referring to fig. 1 to 5 in combination, a first embodiment of the present invention provides a humidification tank 10, comprising: the tank body 11, the tank body 11 is provided with a first water inlet 111; the humidification tank 10 further comprises: the device comprises a tank 11, a water guide tank 14, a float valve 12, a protection valve 13 and a balance valve 15; one end of the water guiding groove 14 is arranged below the first water inlet 111 of the tank 11, and a second water inlet 141 is formed at the other end of the water guiding groove 14; the float valve 12 is disposed below the first water inlet 111 and the water guiding groove 14, and is configured to push the water guiding groove 14 to block the first water inlet 111 when the water level in the tank 11 reaches a preset height; the protection valve 13 is disposed on the first side of the float valve 12, and is configured to seal the second water inlet 141 after the water level in the tank 11 exceeds a preset height; the balance valve 15 is disposed on the second side of the float valve 12; wherein the first side and the second side are disposed opposite.
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 the water level in the tank 11 is also lower than the safe water level when the protection valve 13 seals the second water inlet 141; the water guide groove 14 is arranged between the tank 11 and the float valve 12 and between the tank 11 and the protection valve 13; external liquid (such as water) firstly enters the water guide tank 14 through the first water inlet 111, and then enters the tank 11 through the second water inlet 141 on the water guide tank 14; the float valve 12 is disposed on a side of the water guiding tank 14 away from the first water inlet 111, and is disposed at intervals along the height direction with the first water inlet 111, that is, the first water inlet 111, the water guiding tank 14 and the float valve 12 are sequentially disposed from top to bottom in the height direction, along with the rise of the water level in the tank 11, the float valve 12 pushes the bottom of the water guiding tank 14 to press and seal the first water inlet 111, so as to stop external liquid from entering the tank 11 in time; the other end of the water guiding groove 14 is arranged above the protection valve 13, when the floating valve 12 fails to effectively seal the first water inlet 111, external liquid continuously enters the tank 11 through the first water inlet 111, the water level in the tank 11 continuously rises, the protection valve 13 gradually rises, and when a certain water level is reached, the second water inlet 141 is timely sealed, and then external water is timely stopped from continuously entering the tank 11, so that the secondary protection of adding water to the humidification tank 10 is realized, the overfull water quantity in the tank 11 is avoided, the problems of choking, and ventilator-related pneumonia of a patient are reduced, and the use safety of the humidification tank 10 is improved; it should be emphasized that, when the protection valve 13 is lifted, the balance valve 15 is lifted synchronously, so that the stress of the floating valve 12 is uniform, the gravity centers of the floating valve 12, the protection valve 13 and the balance valve 15 are prevented from shifting, the lifting sensitivity of the floating valve 12, the protection valve 13 and the balance valve 15 is ensured, and the liquid entering the humidification tank 10 is stopped in time.
Referring further to fig. 6 to 9, in other preferred embodiments, the water guiding groove 14 includes: a water guide groove body 142, a sealing end 143 and a second water inlet end 144; a first end of the water guiding tank 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 guiding tank 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 guiding groove body 142 in the length direction; the second water inlet 144 is disposed at a second end of the water guiding tank body 142 in the length direction, and the second water inlet 141 is disposed at the bottom of the second water inlet 144.
It will be appreciated that the water guiding groove 14 is used for guiding the liquid entering through the first water inlet 111 into the tank 11, and the water guiding groove 14 can not only seal the first water inlet 111, but also play a role in guiding water.
Further, the height of the inner surface of the groove bottom of the water guiding groove body 142 decreases from the sealing end 143 to the second water inlet end 144; that is, the groove bottom of the water guiding groove body 142 forms an angle α with the horizontal plane, and the angle α is 3 ° ± 0.5 °. It can be appreciated that the inner surface of the groove bottom of the water guiding groove body 142 is inclined, the sealing end 143 is high, and the second water inlet 144 is low, so that the liquid flowing into the first water inlet 111 can flow into the second water inlet 141 in time under the action of gravity, and flows 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 configured in a bell-mouth shape and is formed by extending from the water inlet body 145 toward the protection valve 13.
It will be appreciated that the water outlet 146 is convex towards the protection valve 13 and that the cross-sectional area of the water outlet 146 decreases in a direction along the protection valve 13 towards the water guiding gutter 14, thereby facilitating the insertion of the protection valve 13 into the sealing portion 132.
Referring further to fig. 5 and 10 in combination, in other preferred embodiments, the protection valve 13 includes: a protection valve body 131, a sealing part 132, a first guide hole 133 and a second guide hole 134; the sealing part 132 is disposed on the end surface of the protection valve main 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 along the height direction of the protection valve body 131; the second guide hole 134 is provided along the height direction of the protection valve body 131.
It can be understood that the sealing portion 132 is disposed at the axial center of the protection valve 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 arranged on the protection valve 13 controls the interference fit between the sealing part 132 and the water outlet 146, so that the sealing part 132 is conveniently inserted into the water passing port; meanwhile, the sealing portion 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 be conical and fit with the water outlet 146, and is configured to be conical and fit with the water outlet 146. It can be appreciated that by setting the water outlet 146 to be bell-mouth-shaped, the sealing portion 132 is set to be conical in shape matching with the water outlet 146, so that the sealing portion 132 and the water outlet 146 are in conical surface fit, which is convenient for the protection valve 13 to accurately and rapidly seal the second water inlet 141.
In other embodiments, the balancing valve 15 includes: 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 will be appreciated that the third guide hole 152 is disposed at the axial center of the balance valve body 151.
Referring further to fig. 11, in other preferred embodiments, a guiding mechanism 118 extends vertically downward from the inner surface of the top wall 112 of the tank 11; 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 11 at the first water inlet 111, and is provided with an opening 117 along the axial direction towards one side of the protection valve 13, and the guide circular tube 113 is slidably connected with the float valve 12; it can be understood that one end of the float valve 12 is accommodated in the guiding circular tube 113, and the water level in the tank 11 is slidingly lifted in the guiding circular tube 113 at any time, so that the float valve 12 is ensured to push the water guiding tank 14 to block the first water inlet 111 in time. The third guide post 116 is disposed on one side of the guide circular tube 113, the first guide post 114 and the second guide post 115 are disposed on the other side of the guide circular tube 113, the first guide post 114 is slidably connected with the first guide hole 133, the second guide post 115 is slidably connected with the second guide hole 134, and the third guide post 116 is slidably connected with the third guide hole 152. Further, the lifting direction of the protection valve 13 is regulated and guided by the first guide post 114 and the second guide post 115, and the lifting direction of the balance valve 15 is regulated and guided by the third guide post 116.
Referring further to fig. 2, in other preferred embodiments, the humidification tank 10 further includes a connection 16; the connector 16 includes: a double valve connector 161 and a water guide groove connector 162; the double-valve connecting piece 161 is sleeved on the floating valve 12, 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 water guiding groove connecting piece 162 is used for connecting the water guiding groove 14 to the top wall 112 of the tank 11.
It can be understood that by arranging the double-valve connecting piece 161, the synchronous lifting of the protection valve 13 and the balance valve 15 is further ensured, 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 entering the humidification tank 10 is stopped in time; by arranging the water guide groove connecting piece 162, the water guide groove 14 is fixed and sealed to the top of the tank body 11, and further, a guarantee is provided for the humidifying 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 11 and are symmetrically arranged relative to the first water inlet 111; the heating assembly 19 is connected 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 that the inlet 17 and outlet 18 are used for gas circulation.
In a second embodiment of the invention a respiratory treatment apparatus is provided comprising a humidification tank 10 as described in the above embodiments of the invention. It can be understood that the respiratory treatment device provided by the invention has the functions of wetting and heating by configuring the humidifying tank 10, and the use safety of the respiratory treatment device is improved.
Compared with the prior art, the invention provides a humidification tank and respiratory treatment equipment, wherein the humidification tank comprises: the jar body, first water inlet has been seted up to the jar body, 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 floating valve is arranged below the first water inlet and the water guide groove and is used for pushing the water guide groove to seal the first water inlet when the water level in the tank body reaches a preset height; the protection valve is arranged on the first side of the floating valve and is used for sealing the second water inlet after the water level in the tank body exceeds a preset height; a balance valve disposed on a second side of the float valve; wherein the first side and the second side are disposed opposite. Through setting up guiding gutter, floating valve and protective valve, and then when the water level in the tank body of the said humidification tank reaches the appointed height, the said floating valve promotes the said guiding gutter to seal up the said water inlet; when the water inlet and/or the water guide groove are worn, the water guide groove continuously enters the tank body when the water guide groove fails to timely seal the water inlet, so that the water level in the tank body continuously rises, the protection valve continuously rises and continuously approaches the second water inlet, and when the protection valve contacts the second water inlet, the second water inlet is timely sealed, 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 further realized, the problems of excessive water volume in the tank body, choking, ventilator-related pneumonia of a patient and the like are reduced, 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 floating valve pile sets up, and then effectually balanced the arrangement of protection valve, avoid the focus skew appears in floating valve, protection valve and balanced valve, guarantee the lift sensitivity of floating valve, protection valve and balanced valve in time stops liquid entering humidification jar.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (8)
1. A humidification tank comprising: the jar body, the first water inlet has been seted up to the jar body, its characterized in that, 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 floating valve is arranged below the first water inlet and the water guide groove and is used for pushing the water guide groove to seal the first water inlet when the water level in the tank body reaches a preset height;
The protection valve is arranged on the first side of the floating valve and is used for sealing the second water inlet after the water level in the tank body exceeds a preset height;
a balance valve disposed on a second side of the float valve;
Wherein the first side and the second side are oppositely disposed;
the water guide groove 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 floating 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 on the first end of the water guide groove body in the length direction;
The second water inlet end is arranged on the second end of the water guide groove body in the length direction, and the second water inlet is formed in the bottom of the second water inlet end;
the inner surface of the groove bottom of the water guide groove body is inclined, the sealing end is high, and the second water inlet end is low;
The humidifying tank further 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;
The water guide groove connecting piece is used for connecting the water guide groove on the top wall of the tank body.
2. The humidification tank of claim 1, wherein the second water inlet end comprises:
a water inlet body;
The water outlet is in a horn shape and extends from the water inlet main body towards the protection valve.
3. The humidification tank of claim 2, wherein the protection valve comprises:
a protection valve body;
the sealing part is arranged on the end face of the protection valve main body, facing the second water inlet end, and is in interference fit with the water outlet;
The first guide hole is arranged along the 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.
4. A humidification tank as claimed in claim 3, wherein,
The sealing part is arranged in a conical shape matched with the water outlet and is matched with the conical surface of the water outlet.
5. A humidification tank as claimed in claim 3, wherein the balancing valve comprises:
a balance valve body;
And the third guide hole is arranged along the length direction of the balance valve body.
6. The humidification tank of claim 5, wherein,
The inner surface of the roof of the jar body downwardly extends perpendicularly has guiding mechanism, guiding mechanism includes:
The guide circular tube extends downwards from the inner surface of the top wall of the tank body at the first water inlet to form, and is axially provided with an opening towards one side of the protection valve, and the guide circular tube is in sliding connection with the floating valve;
The first guide column, the second guide column and the third guide column are formed by extending downwards from the inner surface of the top wall of the tank body;
the third guide column is arranged on one side of the guide circular tube, the first guide column and the second guide column are arranged on the other side of the guide circular tube, the first guide column is in sliding connection with the first guide hole, the second guide column is in sliding connection with the second guide hole, and the third guide column is in sliding connection with the third guide hole.
7. Humidification pot of any one of claims 1-6, wherein,
The floating valve and the protection valve are integrally formed;
The tank body further comprises an air inlet, an air outlet and a heating component;
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 component is connected to the bottom of the tank body.
8. A respiratory therapy apparatus comprising a humidification tank according to any one of claims 1 to 7.
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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 (en) | 2020-12-25 |
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