CN218010554U - Breathing machine and humidifier device thereof - Google Patents

Abstract

The application discloses breathing machine and humidifier device thereof, this humidifier device includes humidifying jar and breather pipe subassembly. The humidification tank is provided with a through hole which is used for being communicated with a main machine of the breathing machine and used for storing liquid. The breather pipe assembly comprises a breather pipe and a first installation part, one end of the breather pipe is in butt joint with the through hole, and the other end of the breather pipe extends into the humidification tank. The breather pipe is connected with the first installation part, the humidification tank is provided with a second installation part, and the first installation part is detachably connected with the second installation part. Because first installation department is connected with the second installation department is detachable, when needs clean the humidifying jar, can unpack first installation department and second installation department apart, separate breather pipe subassembly and humidifying jar again to clean the clean dead angle that forms between breather pipe subassembly and the humidifying jar, reduce the clean incomplete possibility that leads to breeding the germ of humidifying jar, thereby be favorable to promoting the security of breathing machine.

Description

Breathing machine and humidifier device thereof

Technical Field

The application relates to the technical field of respirators, in particular to a respirator and a humidifier device thereof.

Background

The household sleep type breathing machine is generally applied to individual families, sleep centers and small clinics, and mainly aims at patients with apnea syndrome. A household ventilator (sleep ventilator) generally comprises a main unit and a humidification tank, wherein the humidification tank is usually next to the main unit and is connected with an air outlet of the main unit through a ventilation pipe. However, the existing vent pipe is generally made into an integrated structure with the upper cover of the humidification tank, when the humidification tank is cleaned and disinfected, the narrow corner formed between the vent pipe and the upper cover of the humidification tank and the deep part of the vent pipe are dead corners, the vent pipe is difficult to clean and disinfect in place, and germs are easy to breed, so that the health of a crisis patient is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: the humidifying tank of the existing breathing machine has dead corners which are difficult to clean and is easy to breed germs.

In a first aspect, an embodiment provides a humidifier apparatus, comprising:

the humidification tank is provided with a through hole which is used for being communicated with a main machine of the breathing machine and used for storing liquid;

the breather pipe assembly comprises a breather pipe and a first installation part, one end of the breather pipe is in butt joint with the through hole, and the other end of the breather pipe extends into the humidification tank; the breather pipe with first installation department is connected, the humidifying jar has the second installation department, first installation department with the detachable connection of second installation department.

In one embodiment, the first mounting portion is a fastening structure, and the second mounting portion is a fastening structure, and the fastening structure can be fastened with and disengaged from the fastening structure.

In one embodiment, the buckling structure comprises two oppositely arranged clamping blocks, a gap is formed between the two clamping blocks, the buckling structure comprises a clamping plate and a placing plate, the clamping plate is connected with the middle of the placing plate, and one side of the clamping plate, facing the gap, is provided with an arc surface; when the buckle structure is buckled with the buckling structure, the buckling plate is in interference fit with the gap, and the placing plate is placed on the clamping block; when the buckling structure and the buckling position structure are unlocked, the buckling plate is separated from the gap.

In one embodiment, one end of the vent pipe is in sealing butt joint with the through hole through a sealing ring.

In one embodiment, the ventilation pipe assembly further comprises a stopping part, the stopping part is arranged around the periphery of the ventilation pipe, and when the ventilation pipe is in butt joint with the through hole, the stopping part is in butt joint with the inner wall of the humidification tank.

In one embodiment, the breather pipe assembly further comprises a stopping part, the stopping part is arranged around the periphery of the breather pipe, and when the breather pipe is butted with the through hole, the stopping part is abutted against the inner wall of the humidification tank; one side of the stopping part, which is abutted against the inner wall of the humidification tank, is provided with an embedded groove, the sealing ring is arranged in the embedded groove, and at least part of the sealing ring extends out of the embedded groove and is used for sealing a gap between the stopping part and the inner wall of the humidification tank.

In one embodiment, the through hole comprises an air inlet hole and an air outlet hole, the vent pipe comprises an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are respectively provided with an inlet end and an outlet end, the inlet end of the air inlet pipe is in butt joint with the air inlet hole, and the outlet end of the air inlet pipe extends into the humidification tank; the outlet end of the air outlet pipe is in butt joint with the air outlet hole, and the inlet end of the air outlet pipe extends into the humidifying tank.

In one embodiment, the air inlet pipe and the air outlet pipe are arranged side by side, the air inlet pipe comprises a first section close to the inlet end of the air inlet pipe and a second section close to the outlet end of the air inlet pipe, the outlet end of the air inlet pipe is inclined from one side opposite to the air outlet pipe to the bottom of the humidification tank, and an acute angle is formed between the axis line of the second section and the normal line of the bottom of the humidification tank.

In one embodiment, the air inlet pipe and the air outlet pipe are arranged side by side, the air inlet pipe comprises a first section close to the inlet end of the air inlet pipe and a second section close to the outlet end of the air inlet pipe, and the axis line of the second section is parallel to the normal line of the bottom of the humidification tank.

In one embodiment, the first section of the inlet pipe and the outlet pipe are inclined towards the top of the humidification tank.

In one embodiment, the second section includes a return portion disposed opposite the outlet end of the inlet pipe, and the first section is connected between the return portion and the outlet end of the inlet pipe.

In one embodiment, the humidification tank comprises a tank body and a cover body covering the tank body, and the second installation part is arranged on the tank body or the cover body.

In one embodiment, the air duct assembly is arranged in the middle of the humidification tank.

In one embodiment, the snorkel assembly is integrally formed.

In a second aspect, an embodiment provides a ventilator comprising a humidifier apparatus as claimed in any one of the preceding claims and a host for pressurizing gas to produce gas at positive pressure, the through-holes in the humidification canister and the vent tube assembly being in communication with the host.

According to the breathing machine and the humidifier device thereof, the humidifier device comprises the humidification tank and the ventilation pipe assembly. The humidification tank is provided with a through hole which is used for being communicated with a main machine of the breathing machine and used for storing liquid. The breather pipe assembly comprises a breather pipe and a first installation part, one end of the breather pipe is in butt joint with the through hole, and the other end of the breather pipe extends into the humidification tank. The breather pipe is connected with the first installation part, the humidification tank is provided with a second installation part, and the first installation part is detachably connected with the second installation part. Because first installation department and the detachable connection of second installation department, when the humidifying jar of needs cleaning, can unpack first installation department and second installation department apart, again with the subassembly of ventilating pipe and the separation of humidifying jar to clean the clean dead angle that forms between subassembly of ventilating pipe and the humidifying jar, reduce the clean incomplete possibility that leads to breeding the germ of humidifying jar, thereby be favorable to promoting the security of breathing machine.

Drawings

FIG. 1 is a schematic diagram of a ventilator according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a humidifier apparatus according to an embodiment of the present application;

FIG. 3 is an exploded view of the internal structure of a humidifier apparatus according to one embodiment of the present application;

FIG. 4 is a schematic view of a vent assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of another perspective of a vent assembly according to an embodiment of the present application;

FIG. 6 is a schematic structural view of a vent assembly according to another embodiment of the present application;

FIG. 7 is a schematic cross-sectional view of a can body according to an embodiment of the present disclosure;

FIG. 8 is a schematic cross-sectional view of a canister and vent tube assembly according to an embodiment of the present application;

reference numerals: 1000. a host; 2000. a humidifier device; 2100. a humidifying tank; 2110. a second mounting portion; 2111. a clamping block; 2112. a mounting wall; 2120. a through hole; 2121. an air intake; 2122. an air outlet; 2130. a tank body; 2140. a cover body; 2200. a vent tube assembly; 2210. a breather pipe; 2211. an air inlet pipe; 22111. a first section; 22112. a second section; 22113. a reflux part; 2212. an air outlet pipe; 2220. a first mounting portion; 2221. a clamping plate; 2222. placing the plate; 2223. a raised structure; 2230. a seal ring; 2240. a stopper portion; 2241. and (5) caulking the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in this specification in order not to obscure the core of the present application with unnecessary detail, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of clearly describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where a certain sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

The present embodiments provide a ventilator.

Referring to fig. 1-7, the ventilator includes a main unit 1000 and a humidifier device 2000.

Referring to fig. 1-3, the main body 1000 is used for pressurizing gas to generate positive pressure gas, and the humidifier apparatus 2000 includes a humidification tank 2100 and a snorkel assembly 2200, wherein the humidification tank 2100 has a through hole 2120, and the through hole 2120 and the snorkel assembly 2200 on the humidification tank 2100 are communicated with the main body 1000.

In another aspect, the present implementation further provides a humidifier apparatus 2000.

Referring to fig. 2-5, the humidifier apparatus 2000 includes a humidification canister 2100 and a vent tube assembly 2200.

The humidification tank 2100 has a through hole 2120, the through hole 2120 is used for communicating with the main machine 1000 of the ventilator, and the humidification tank 2100 is used for storing liquid. The vent tube assembly 2200 includes a vent tube 2210 and a first mounting portion 2220, the vent tube 2210 having one end abutting the through hole 2120 and the other end extending into the humidification canister 2100. The vent tube 2210 is connected to a first mounting portion 2220, the humidification canister 2100 has a second mounting portion 2110, and the first mounting portion 2220 is detachably connected to the second mounting portion 2110.

Because first installation department 2220 and second installation department 2110 are detachable to be connected, when needing clean humidifying jar 2100, can unpack first installation department 2220 and second installation department 2110, separate breather pipe assembly 2200 and humidifying jar 2100 again to clean the clean dead angle that forms between breather pipe assembly 2200 and humidifying jar 2100, reduce humidifying jar 2100 and clean the possibility that thoroughly leads to breeding the germ, thereby be favorable to promoting the security of breathing machine.

Referring to fig. 2-4, in an embodiment, the first mounting portion 2220 is a snap structure, and the second mounting portion 2110 is a snap structure, and the snap structure can be engaged with and disengaged from the snap structure.

The user can conveniently engage the snap structure with the catch structure to secure the vent tube assembly 2200 to the humidification canister 2100, or disengage the snap structure from the catch structure to detach the vent tube assembly 2200 from the humidification canister 2100. Specifically, the shape of the snap structure may be a column, a plate, a strip, or any other suitable shape, and the snap structure may be a fit gap, a fit groove, or the like.

Referring to fig. 2-4, in an embodiment, the buckling structure includes two opposite fastening blocks 2111, a gap is formed between the two fastening blocks 2111, the buckling structure includes a fastening plate 2221 and a placing plate 2222, the fastening plate 2221 is connected to a middle portion of the placing plate 2222, and a side of the fastening plate 2221 facing the gap has an arc surface. When the buckle structure is buckled with the buckling structure, the buckling plate 2221 is in interference fit with the gap, and the placing plate 2222 is placed on the clamping block 2111. When the locking structure and the locking structure are unlocked, the locking plate 2221 is separated from the gap.

When installing the snore assembly 2200, the user inserts the engaging plate 2221 into the gap between the two retaining blocks 2111, and places the placing plate 2222 on the retaining blocks 2111, and the fastening of the snore assembly 2200 in the humidification tank 2100 is achieved due to the interference fit of the engaging plate 2221 and the gap. When removing the vent tube assembly 2200, the user removes the snap plate 2221 from the gap between the two snap tabs 2111 and removes the vent tube assembly 2200 from the canister 2100. The process of installation and dismantlement is simple swift, is favorable to promoting user's dismouting efficiency.

Referring to fig. 2-4, 7 and 8, in an embodiment, the arc surface of the engaging plate 2221 has a protruding structure 2223, the locking structure further includes a mounting wall 2112, and the two engaging blocks 2111 are connected to the mounting wall 2112. When the engaging plate 2221 is engaged with the gap between the two engaging blocks 2111, the protruding structure 2223 abuts against the edge of the mounting wall 2112 to prevent the engaging plate 2221 from being disengaged from the gap, so that the engaging plate 2221 is more firmly engaged with the gap, and the mounting of the vent tube assembly 2200 in the humidification canister 2100 is more firmly performed.

Referring to fig. 2, 3, 7 and 8, in one embodiment, an end of the vent tube 2210 sealingly engages the through-hole 2120 via a sealing ring 2230. The seal between the vent tube 2210 and the through-hole 2120 is improved, which is advantageous in preventing gas and liquid from leaking from the joint of the vent tube 2210 and the through-hole 2120.

Referring to fig. 2-4, in one embodiment, the vent tube assembly 2200 further comprises a stopper 2240, the stopper 2240 is disposed around the outer circumference of the vent tube 2210, and when the vent tube 2210 is mated with the through hole 2120, the stopper 2240 is abutted against the inner wall of the humidification canister 2100.

On the one hand, when the vent tube 2210 is abutted to the through hole 2120, the stopper 2240 is abutted against the inner wall of the humidification canister 2100, and can prevent the vent tube 2210 from moving in the vent hole, thereby positioning and confirming the fitting in place. On the other hand, when installing breather pipe assembly 2200, backstop 2240 can play the auxiliary action to the operation of buckle structure and knot position structure block, specifically, earlier with breather pipe 2210 and air vent butt joint to make backstop 2240 contradict with the inner wall of humidifying pot 2100, realize the location to breather pipe assembly 2200 one end, with buckle structure and knot position structure block again, realize leading to the fixed to the other end of breather pipe assembly 2200.

Referring to fig. 2-4, 7 and 8, in one embodiment, the vent pipe assembly 2200 further comprises a stopper 2240, the stopper 2240 is disposed around the periphery of the vent pipe 2210, and when the vent pipe 2210 is abutted with the through hole 2120, the stopper 2240 is abutted against the inner wall of the humidification canister 2100. An embedding groove 2241 is formed in one side, abutted against the inner wall of the humidifying tank 2100, of the stopping part 2240, the sealing ring 2230 is installed in the embedding groove 2241, and at least part of the sealing ring 2230 extends out of the embedding groove 2241 to seal a gap between the stopping part 2240 and the inner wall of the humidifying tank 2100.

So that the stopper 2240 can be abutted against the inner wall of the humidification tank 2100 around the vent pipe 2210, which is beneficial to improving the positioning effect of the stopper 2240 on the vent pipe 2210 and improving the stability of the installation of the vent pipe assembly 2200 in the humidification tank 2100. The stable mounting of the sealing ring 2230 on the stopper 2240 is achieved by the caulking groove 2241, thereby improving the sealing performance between the stopper 2240 and the inner wall of the humidification canister 2100. Specifically, in the present embodiment, the stopper 2240 is a plate-shaped structure, that is, the stopper 2240 is a stop plate. In other embodiments, the stopper 2240 can also be a block structure, a bar structure or other suitable structures.

Referring to fig. 2-4, in one embodiment, the through hole 2120 includes an inlet hole 2121 and an outlet hole 2122, the vent tube 2210 includes an inlet tube 2211 and an outlet tube 2212, the inlet tube 2211 and the outlet tube 2212 each have an inlet end and an outlet end, the inlet end of the inlet tube 2211 is butted against the inlet hole 2121, and the outlet end of the inlet tube 2211 extends into the humidification canister 2100. The outlet end of the outlet tube 2212 is butted with the outlet holes 2122, and the inlet end of the outlet tube 2212 extends into the humidifying tank 2100.

When the respirator is in operation, positive pressure air generated by the main machine 1000 enters the humidifying tank 2100 through the air inlet holes 2121 and the inlet end and the outlet end of the air inlet pipe 2211 for humidification, and the humidified air is discharged out of the humidifying tank through the inlet end and the outlet end of the air outlet pipe 2212 and the air outlet holes 2122.

Referring to fig. 2-5, in one embodiment, the inlet 2211 and outlet 2212 are arranged side by side, the inlet 2211 comprises a first section 22111 near the inlet end of the inlet 2211 and a second section 22112 near the outlet end of the inlet 2211, the outlet end of the inlet 2211 is inclined from the side opposite the outlet 2212 to the bottom of the humidification canister 2100, and the axis of the second section 22112 forms an acute angle with the normal to the bottom of the humidification canister 2100.

On the one hand, the air current that gets into in the humidifying jar 2100 by inlet tube 2211 needs to flow to the opposite side from one side of humidifying jar 2100 and just can discharge from outlet duct 2212, and this has prolonged the dwell time of air current in humidifying jar 2100 to more steam is taken away to the air current and is discharged from outlet duct 2212, is favorable to promoting the humidification effect. On the other hand, the orientation and angle of the second section 22112 of the air outlet tube 2212 are designed, so that when the water vapor in the humidification tank 2100 encounters the cold air inlet tube 2211, water drops formed by water vapor condensation can flow back into the humidification tank 2100 along the obliquely downward outlet end of the air inlet tube 2211, and the water drops are prevented from flowing back into the body communicated with the inlet end of the air inlet tube 2211 from the air inlet tube 2211.

Referring to fig. 6, in another embodiment, the inlet tube 2211 and the outlet tube 2212 are arranged side by side, the inlet tube 2211 comprises a first section 22111 near the inlet end of the inlet tube 2211 and a second section 22112 near the outlet end of the inlet tube 2211, and the axis of the second section 22112 is parallel to the normal of the bottom of the humidification canister 2100.

Since the second section 22112 of the air outlet pipe 2212 faces the bottom of the humidifying pot 2100 vertically, when the water vapor in the humidifying pot 2100 meets the cold air inlet pipe 2211, the water drops formed by the condensation of the water vapor can flow back into the humidifying pot 2100 along the vertically downward outlet end of the air inlet pipe 2211, and the water drops are prevented from entering the machine body communicated with the inlet end of the air inlet pipe 2211 from the air inlet pipe 2211 in a reverse flow manner.

Referring to fig. 3, 7 and 8, in one embodiment, the first section 22111 of the inlet conduit 2211 and the outlet conduit 2212 are angled toward the top of the humidification canister 2100.

The height of the end of the first section 22111, which is far away from the air inlet hole 2121, and the height of the end of the air outlet pipe 2212, which is far away from the air outlet hole 2122, are increased, so that the movement path of the air flow in the humidifying tank 2100 is prolonged, the retention time of the air flow in the humidifying tank 2100 is further prolonged, more water vapor is taken away by the air flow and is discharged from the air outlet pipe 2212, and the humidifying effect is favorably improved.

Referring to fig. 6, in one embodiment, the second section 22112 includes a return portion 22113 disposed opposite the outlet end of the inlet conduit 2211, and the first section 22111 is connected between the return portion 22113 and the outlet end of the inlet conduit 2211.

Due to the addition of the return portion 22113 and the connection of the first section 22111 between the return portion 22113 and the outlet end of the inlet conduit 2211, when moisture in the humidification tank 2100 encounters the cold inlet conduit 2211, the moisture can be liquefied into water droplets at the return portion 22113 and slide back into the humidification tank 2100 along the second section 22112 of the inlet conduit 2211 by the return portion 22113 under the action of gravity. On the other hand, if the first section 22111 of the air inlet tube 2211 is connected to the top of the second section 22112, water drops may flow into the body along the inner wall of the first section 22111.

Referring to fig. 2, 3, 7 and 8, in one embodiment, the wetting pot 2100 includes a pot 2130 and a cover 2140 covering the pot 2130, and the second mounting portion 2110 is disposed on the pot 2130 or the cover 2140. When cleaning, changing water, or the like is required, the user can open the lid body 2140 for operation. Optionally, the cover 2140 may be detachably or removably connected to the tank 2130, for example, the cover 2140 may be rotatably connected to the tank 2130, and the cover 2140 may rotate relative to the tank 2130 to open and close.

The second mounting portion 2110 and the through hole 2120 may be disposed on the cover 2140 or the canister 2130. For example, in this embodiment, the vent assembly 2200 may be mounted to the tank 2130 with the through hole 2120 being located in the middle of the tank 2130 and the second mounting portion 2110 being located on the side of the tank 2130 opposite the vent. In another embodiment, the vent tube assembly 2200 may also be mounted on the cover 2140 with the through hole 2120 being located at the middle of the cover 2140 and the second mounting portion 2110 being located at the top of the cover 2140.

It should be noted that, referring to fig. 2 and 3, the side of the humidifying pot 2100 where the cover 2140 is located is the top of the humidifying pot 2100, the side opposite to the cover 2140 is the bottom of the humidifying pot 2100, and the portion between the cover 2140 and the bottom of the humidifying pot 2100 is the middle of the humidifying pot 2100.

Referring to fig. 2 and 3, in another embodiment, a breather tube assembly 2200 is provided in the middle of the humidification tank 2100. When the humidifying tank 2100 is accidentally turned on or inverted, the liquid in the humidifying tank 2100 is prevented from being poured into the air inlet pipe 2211 and the air outlet pipe 2212, and the 360-degree backflow prevention is realized.

Referring to fig. 2 and 3, in another embodiment, the vent tube assembly 2200 is integrally formed. The production cost of the vent tube assembly 2200 is reduced and the production efficiency of the vent tube assembly 2200 is improved. Specifically, the vent tube assembly 2200 may be integrally formed by injection molding.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims (15)

1. A humidifier apparatus for a ventilator, comprising:

the humidification tank is provided with a through hole which is used for being communicated with a main machine of the breathing machine and used for storing liquid;

the breather pipe assembly comprises a breather pipe and a first installation part, one end of the breather pipe is in butt joint with the through hole, and the other end of the breather pipe extends into the humidification tank; the breather pipe with first installation department is connected, the humidifying jar has the second installation department, first installation department with the detachable connection of second installation department.

2. The humidifier apparatus according to claim 1, wherein the first mounting portion is a snap feature and the second mounting portion is a snap feature, the snap feature being engageable and disengageable with the snap feature.

3. The humidifier device according to claim 2, wherein the catch structure comprises two oppositely disposed clipping blocks, a gap is formed between the two clipping blocks, the catch structure comprises a clipping plate and a placing plate, the clipping plate is connected with a middle portion of the placing plate, and one side of the clipping plate facing the gap has an arc surface; when the buckle structure is buckled with the buckling structure, the buckling plate is in interference fit with the gap, and the placing plate is placed on the clamping block; when the buckling structure and the buckling structure are unlocked, the clamping plate is separated from the gap.

4. The humidifier apparatus according to claim 1, wherein an end of the vent tube is in sealing engagement with the through hole via a sealing ring.

5. The humidifier apparatus of claim 1, wherein the vent tube assembly further comprises a stop disposed around an outer periphery of the vent tube, wherein the stop abuts an inner wall of the humidification canister when the vent tube is engaged with the through hole.

6. The humidifier apparatus as claimed in claim 4, wherein said vent tube assembly further comprises a stop disposed around an outer periphery of said vent tube, said stop abutting against an inner wall of said humidification canister when said vent tube is engaged with said through hole; one side of the stopping part, which is abutted against the inner wall of the humidification tank, is provided with an embedded groove, the sealing ring is arranged in the embedded groove, and at least part of the sealing ring extends out of the embedded groove and is used for sealing a gap between the stopping part and the inner wall of the humidification tank.

7. The humidifier apparatus of claim 1, wherein the through-hole comprises an inlet hole and an outlet hole, the vent tube comprises an inlet tube and an outlet tube, the inlet tube and the outlet tube each having an inlet end and an outlet end, the inlet end of the inlet tube abutting the inlet hole, the outlet end of the inlet tube extending into the humidification tank; the outlet end of the air outlet pipe is in butt joint with the air outlet hole, and the inlet end of the air outlet pipe extends into the humidifying tank.

8. The humidifier apparatus according to claim 7, wherein the inlet tube and the outlet tube are arranged side by side, the inlet tube comprises a first section near an inlet end of the inlet tube and a second section near an outlet end of the inlet tube, the outlet end of the inlet tube is inclined from a side opposite to the outlet tube toward the bottom of the humidification canister, and an axial line of the second section forms an acute angle with a normal line of the bottom of the humidification canister.

9. The humidifier apparatus as claimed in claim 7, wherein said inlet tube and said outlet tube are arranged side by side, said inlet tube comprising a first section near an inlet end of said inlet tube and a second section near an outlet end of said inlet tube, an axis of said second section being parallel to a normal of a bottom of said humidification canister.

10. The humidifier apparatus according to claim 8 or 9, wherein the first section of the inlet tube and the outlet tube are inclined towards the top of the humidification tank.

11. The humidifier apparatus according to claim 8 or 9, wherein the second section includes a return portion disposed opposite the outlet end of the inlet tube, and the first section is connected between the return portion and the outlet end of the inlet tube.

12. The humidifier apparatus according to claim 1, wherein the humidification tank comprises a tank body and a cover body covering the tank body, and the second mounting portion is provided on the tank body or the cover body.

13. The humidifier apparatus of claim 1, wherein the vent assembly is disposed in a central portion of the humidification tank.

14. The humidifier apparatus of any one of claims 1-9,12,13 wherein the vent tube assembly is integrally formed.

15. A ventilator comprising a humidifier apparatus according to any one of claims 1-14 and a main unit for pressurizing gas to produce gas at a positive pressure, the through-holes in the humidification tank and the vent tube assembly being in communication with the main unit.

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