Breathing machine

Abstract

The breathing machine comprises a main machine and a humidifying tank, the main machine is provided with an inserting base, the humidifying tank is provided with an inserting section, the inserting section can be in inserting fit with the inserting base in the first direction and can be separated from the inserting base in the second direction opposite to the first direction, and the inserting section is provided with an air outlet adapter pipe; the bayonet socket is provided with a receding groove extending in the first direction, so that when the humidifying tank is matched with the main machine in an inserted mode, the air outlet adapter pipe can enter the receding groove in the first direction. In the process of assembling and disassembling the humidifying tank, the protruding air outlet adapter tube does not need to be disassembled, and the humidifying tank inserted with the air outlet adapter tube can be integrally inserted into the bayonet socket, so that the assembling and disassembling steps of the humidifying tank are simplified, and the disassembling step of the air outlet adapter tube in the process of assembling and disassembling the humidifying tank is omitted. In addition, the risk that internal water leaks from the air outlet due to shaking of the humidifying tank is avoided, the cleaning burden of a user is reduced, and the use experience is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of medical equipment, and specifically relates to a ventilator. Background Art

[0002] A ventilator generally includes a main unit and a humidifier tank, wherein a blower and an air inlet are provided inside the main unit. After air enters the main unit from the outside, it is pressurized by the blower and then discharged from the main unit. The humidifier tank contains a certain amount of water and is connected to the air outlet of the main unit. The air that enters the humidifier tank after being pressurized by the blower obtains humidity through contact with water and the heating system of the heating device before entering the patient interface.

[0003] Some ventilation therapy devices connect the main unit and humidifier tank together for the convenience of carrying and use. The air flows out from the air outlet of the main unit, enters the humidifier tank and is humidified, then flows out from the outlet of the humidifier tank, enters the breathing circuit, and finally reaches the patient interface (such as the mask end).

[0004] For example, Chinese patent CN111035839A discloses a humidification tank, which is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe is used to connect with the main body of the ventilator, and the air outlet pipe is used to discharge the humidified gas for use by the user. A plug-in chamber is provided inside the main body shell of the ventilator, and the humidification tank can be inserted into the plug-in chamber from the opening of the main body shell, so that the humidification tank is integrated inside the main body.

[0005] However, in the above scheme, the housing of the ventilator mainframe is provided with a plug interface corresponding to the air outlet of the humidifier tank. When the humidifier tank is inserted into the mainframe, it is necessary to ensure that the air outlet on the humidifier tank and the plug interface on the mainframe are accurately aligned, otherwise the air outlet pipe cannot be installed in place, affecting the structural stability of the whole machine and the sealing of the air outlet. This leads to higher requirements for the relative position accuracy of the air outlet and the plug interface, which not only increases the difficulty of processing and manufacturing to reduce the impact of processing and assembly errors on the relative position of the two, but also increases the requirements for users to install the humidifier tank, resulting in poor user convenience and increased installation difficulty.

[0006] In addition, since the air outlet pipe is externally connected to the air outlet of the humidifying tank, it protrudes from the outer surface of the humidifying tank, so in order to avoid the air outlet pipe from interfering with the main machine, before installing and disassembling the humidifying tank, the air outlet pipe needs to be removed first, and after the humidifying tank is installed, the air outlet pipe is inserted in the plug-in interface and the air outlet. So on the one hand, the assembly and disassembly steps of the humidifying tank are further complicated, the difficulty increases, and the frequent assembly and disassembly of the air outlet pipe increases the risk of the air outlet pipe's sealing performance decreasing or even failing. On the other hand, in the process of the user's manual assembly and disassembly of the humidifying tank, it is inevitable that the humidifying tank will be shaken to a certain extent, and in this process, since the air outlet pipe is removed, the air outlet is in an open state, so when the humidifying tank shakes, it is very easy to cause the water inside it to splash out from the air outlet, not only can the main machine and the outer surface of the humidifying tank be polluted, increase the user's cleaning burden, and there is also the possibility of water splashing to the blower inside the main machine, causing the risk of the blower being damaged by water to increase.

[0007] Moreover, in the above scheme, the edge of the plug interface on the main unit housing is also provided with a snap-on structure. When installing the air outlet pipe, not only is it necessary to plug the air outlet pipe into the air outlet of the humidifier tank, but it is also necessary to snap-on and fix the air outlet pipe to the plug interface. Therefore, the air outlet pipe requires two-step fixing operation, and installation and disassembly are both time-consuming and labor-intensive. Summary of the invention

[0008] The present application provides a ventilator to solve the problem that during the installation of the humidifier tank and the host, the air outlet of the humidifier tank and the plug interface of the host are difficult to accurately position, resulting in greater difficulty in installing the air outlet pipe, and the air outlet is in an open state during the installation and disassembly of the humidifier tank, which is very prone to water leakage.

[0009] The technical solution adopted in this application is:

[0010] A ventilator comprises a main unit and a humidifier tank, wherein the main unit has a socket, and the humidifier tank has a plug section, wherein the plug section can be plugged into and matched with the socket along a first direction and can be separated from the socket along a second direction opposite to the first direction, the plug section is provided with an air outlet transfer tube, and the socket is provided with an avoidance groove extending along the first direction, so that when the humidifier tank is plugged into and matched with the main unit, the air outlet transfer tube can enter the avoidance groove along the first direction.

[0011] The humidifier tank includes a tank body with a water storage cavity and an upper cover assembly that can cover the water storage cavity. When the humidifier tank is plugged into the host, at least part of the inner wall of the socket can abut against at least part of the outer wall of the humidifier tank, so that the upper cover assembly is buckled into the tank body.

[0012] The socket is provided with pressing protrusions on both sides of the avoidance groove, and the pressing protrusions protrude toward the inside of the socket. When the humidifier tank is plugged into the host, the pressing protrusions can abut against the upper cover assembly so that the upper cover assembly is buckled on the tank body.

[0013] The outer surface of the humidification tank has a guide slide extending along the first direction, and the pressing protrusion is in abutment with the guide slide.

[0014] A heating element is also provided in the socket, which is floatingly connected to the socket. The humidification tank has a heat-conducting surface, and the heating element abuts against the heat-conducting surface. The heating element and the avoidance groove are respectively located on opposite sides of the socket so that the heating element and the pressing protrusion clamp the humidification tank.

[0015] The tank body has a water injection port connected to the water storage cavity, and a limiting rib surrounding the water injection port is arranged at the water injection port. When the humidification tank is plugged into the host, the bottom end of the upper cover assembly abuts against the limiting rib.

[0016] One of the inner wall of the plug socket and the outer wall of the plug section is provided with a guide groove extending along the first direction, and the other is provided with a guide rib matched with the guide groove.

[0017] The guide rib extends along the first direction to have a proximal end and a distal end, wherein, when the humidifier tank is plugged into the host along the first direction, the proximal end cooperates with the guide groove before the distal end, and the thickness of the distal end is greater than that of the proximal end.

[0018] The socket has a first end face opposite to the humidification tank along the first direction, the plug-in section has a second end face opposite to the first end face, one of the first end face and the second end face is provided with a plug-in protrusion, and the other of the two is provided with a plug-in groove, and the plug-in protrusion and the plug-in groove are plugged in to limit the humidification tank.

[0019] The humidification tank comprises a tank body with a water storage cavity and an upper cover assembly capable of covering the water storage cavity. The upper cover assembly is provided with an air outlet, and the air outlet adapter tube is plugged and matched with the air outlet.

[0020] The avoidance groove is arranged on the upper side wall of the socket, the upper cover assembly is provided with a mounting boss, the air outlet transfer pipe is arranged on the mounting boss, and when the humidifier tank is plugged into the host, the upper surface of the mounting boss is flush with the upper surface of the socket or forms an arc surface together.

[0021] The upper cover assembly includes a cover body and an unlocking member floatingly mounted on the cover body. The cover body is used to cover the water storage cavity. The unlocking member has a snap-fitting portion. The inner wall of the socket is provided with a mating portion that is snap-fitted with the snap-fitting portion. The unlocking member can move to release the mating portion from the snap-fitting portion.

[0022] The unlocking member includes an operating panel and an elastic rib located below the operating panel. The elastic rib has a fixed end fixed to the operating panel and a free end extending obliquely toward the clamping portion. The free end can swing around the fixed end to make the operating panel float up and down.

[0023] The cover body is provided with an installation sink, the installation sink is provided with a positioning protrusion, the elastic rib is provided with a positioning port cooperating with the positioning protrusion, and the installation sink is also provided with a guide groove located on both sides of the elastic rib, and the guide groove can cooperate with the two ends of the elastic rib to guide the installation of the unlocking part.

[0024] The humidifier tank has a water storage chamber and an air inlet. The air inlet is connected to an air inlet pipe, which extends into the water storage chamber and tilts downward or extends in a curved manner. The airflow in the main unit enters the water storage chamber through the air inlet pipe, contacts the liquid in the water storage chamber and is humidified, and then flows out through the air outlet transfer tube.

[0025] An air outlet pipe is provided inside the main unit, and an air inlet port has an air inlet rib extending toward the main unit on the outer periphery, the air inlet rib forms a docking channel, the air outlet pipe and the air inlet rib are plugged together, and a seal is provided between the air outlet pipe and the air inlet rib, and the seal is respectively abutted and sealed against the air outlet pipe and the air inlet rib in the radial direction of the air outlet pipe.

[0026] The air outlet pipe extends into the docking channel, the sealing member is sleeved on the outer peripheral side of the air outlet pipe and has a sealing lip protruding outward along the radial direction of the air outlet pipe, and the sealing lip abuts against the inner wall of the air inlet rib for sealing.

[0027] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0028] 1. In the present application, the host has a socket, one end of which extends to the end of the host to form a plug-in end with an opening, and the socket has an installation cavity inside for accommodating the plug-in section of the humidification tank. When in use, the user can insert the humidification tank into the installation cavity from the opening so that at least part of the humidification tank is located inside the installation cavity, thereby installing the humidification tank inside the host so that it and the host are assembled into a whole, which is easy to use and carry.

[0029] An air outlet adapter tube is plugged into the side wall of the humidification tank for use in an external pipeline for the discharge of humidified gas for use by users. The socket is provided with an avoidance groove, which extends along a first direction to the plug-in end to form a through opening, so that the avoidance groove is not only in the shape of a long strip extending along the plug-in direction, but also has an area much larger than the opening area of ​​the air outlet on the humidification tank. Therefore, when the humidification tank is installed, the air outlet is more easily aligned with the avoidance groove, and the structure of the horizontally extending avoidance groove can also guide the air outlet adapter tube during the plug-in installation process of the humidification tank, so that the movement direction of the humidification tank is more stable and reliable, and the feeling of sticking is reduced.

[0030] Moreover, since the avoidance groove extends to the plug-in end to form a through-hole, during the process of assembling and disassembling the humidifier tank, it is not necessary to remove the protruding air outlet adapter tube, and the humidifier tank with the air outlet adapter tube plugged in can be inserted into the plug-in seat as a whole. Specifically, after aligning the air outlet adapter tube with the avoidance groove, the humidifier tank is inserted into the installation cavity from the opening. Due to the avoidance of the through-hole, the air outlet adapter tube will not interfere with the plug-in seat, but enter the avoidance groove through the through-hole. This simplifies the assembly and disassembly steps of the humidifier tank, eliminates the step of disassembling the air outlet adapter tube during the assembly and disassembly of the humidifier tank, and also reduces the number of assembly and disassembly times of the air outlet adapter tube to a certain extent, ensuring the connection stability and sealing of the air outlet adapter tube. In addition, since there is no need to remove the air outlet adapter tube during the installation and disassembly of the humidifier tank, the air outlet adapter tube is always connected to the humidifier tank, and the air outlet will not be in a completely open state, thereby avoiding the risk of the humidifier tank shaking and causing internal water to leak from the air outlet, reducing the user's cleaning burden, improving the user experience, and avoiding water splashing into the main unit, ensuring the service life of the fan inside the main unit.

[0031] Furthermore, in the present application, the avoidance groove is only used for the passage of the air outlet transfer tube, and there is no fixation between the main unit and the air outlet transfer tube. The air outlet transfer tube can form a separate module with the humidification tank and be installed on the main unit together with the humidification tank or removed from the main unit.

[0032] 2. As a preferred embodiment of the present application, the socket is provided with pressing protrusions on both sides of the avoidance groove, and the pressing protrusions protrude toward the inside of the socket. When the humidification tank is plugged into the host, the pressing protrusions can abut against the upper cover assembly so that the upper cover assembly is buckled into the tank body. When the humidification tank is inserted into the socket, the pressing protrusions form an extrusion force from the outside toward the inside of the socket on the humidification tank, so that the humidification tank is clamped by the pressing protrusions and keeps the position stable, and the friction resistance between the humidification tank and the socket is increased, so that on the one hand, the gap between the outer peripheral side of the humidification tank and the inner wall of the socket can be reduced, and the shaking of the humidification tank in the socket can be reduced. On the other hand, the fixing stability of the humidification tank can be improved under the extrusion force of the pressing protrusions, and the risk of the humidification tank falling out of the socket can be reduced.

[0033] In addition, the pressing protrusion presses on the upper cover assembly, forming an extrusion force on the upper cover assembly toward the tank body, making the upper cover assembly and the tank body fit more tightly, which not only increases the covering effect of the upper cover assembly on the tank body and reduces the shaking of the upper cover assembly relative to the tank body, but also improves the sealing between the upper cover assembly and the tank body, preventing water inside the tank body from leaking to the outside through the gap between the two.

[0034] 3. As a preferred embodiment of the present application, the tank body has a water injection port connected to the water storage chamber, and a limiting rib surrounding the water injection port is provided at the water injection port. When the humidifier tank is installed on the host, the bottom end of the upper cover assembly abuts against the limiting rib. The limiting rib surrounds the water injection port, which not only plays a limiting role in the installation of the upper cover assembly, but also prevents the upper cover assembly from excessively entering the interior of the water injection port, thereby ensuring a good covering state and sealing. At the same time, after the humidifier tank is installed, the upper cover assembly is pressed by the inner wall of the socket, which increases the abutment force between the upper cover assembly and the limiting rib. Therefore, on the one hand, the two sides of the upper cover assembly are squeezed by the limiting rib and the inner wall of the socket to maintain a stable position. On the other hand, the squeezing force between the upper cover assembly and the limiting rib increases, which also improves the sealing performance between the two and avoids water leakage inside the tank body.

[0035] 4. As a preferred embodiment of the present application, one of the inner wall of the socket and the outer wall of the humidification tank is provided with a guide groove extending along a first direction, and the other is provided with a guide rib matched with the guide groove, the guide rib extends along the first direction to have a proximal end and a distal end, wherein, in the process of plugging the humidification tank with the host, the proximal end is matched with the guide groove before the distal end, and the thickness of the distal end is greater than the thickness of the proximal end. In the process of plugging and installing the humidification tank, the proximal end of the guide rib first enters the guide groove to complete the matching, and as the insertion process proceeds, the guide rib slides toward the host in the guide groove, and the distal end subsequently matches with the guide groove. Among them, the thickness of the proximal end is relatively thin, so that in the early stage of plugging the humidification tank with the host, the gap between the guide rib and the guide groove is relatively large, which is convenient for the user to align and insert the proximal end and the guide groove, and in the process of inserting the humidification tank, the position and angle of the humidification tank can also be adjusted in real time to make the insertion process of the humidification tank smoother and reduce jamming. As the humidifier tank is inserted, the distal end gradually cooperates with the guide groove. The thickness of the distal end is relatively thick, so the gap between it and the guide groove is relatively small, and the distal end even interferes with the inner wall of the guide groove. This not only reduces the shaking of the humidifier tank in the socket after installation, but also forms an inward squeezing force on the humidifier tank, thereby assisting in fixing the humidifier tank and improving the fixing stability of the humidifier tank.

[0036] 5. As a preferred embodiment of the present application, the avoidance groove is arranged on the upper side wall of the socket, the upper cover assembly is provided with a mounting boss, the air outlet transfer pipe is arranged on the mounting boss, and when the humidifier tank is plugged into the host, the upper surface of the mounting boss is flush with the upper surface of the socket or forms an arc surface together. If the avoidance groove is located on the upper side wall of the socket, then the air outlet transfer pipe is correspondingly located on the upper side wall of the humidifier tank, thereby helping to make the height of the air outlet transfer pipe higher than the liquid level of the water in the tank body, thereby preventing water from flowing out through the air outlet transfer pipe. Since the humidifier tank is inserted into the socket, the cross-sectional area of ​​the humidifier tank needs to be designed to be smaller than the cross-sectional area of ​​the installation cavity. Therefore, after the humidifier tank is installed, the two components may produce a step difference on the outer surface of the whole machine, affecting the appearance and feel. By providing a mounting boss on the upper cover assembly, the mounting boss corresponds to the avoidance groove, so that a part of the mounting boss can extend to the outside through the avoidance groove to be flush with the upper surface of the socket, thereby making the upper surface of the whole machine flatter and smoother, and reducing the step difference between the humidification tank and the socket. In addition, since the mounting boss is an upwardly protruding structure, and the air outlet is provided on the mounting boss, the height of the position where the air outlet and the air outlet transfer tube are located is further increased, making them farther from the water level in the tank body, further reducing the risk of water leakage. Not only that, in the process of plugging the humidification tank, the mounting boss can also enter the avoidance groove from the through port, so that the edges on both sides of the avoidance groove cooperate with the mounting boss to form a guide, thereby improving the plug-in stability of the humidification tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0038] Figure 1 This is a schematic diagram of the structure of a ventilator in one embodiment of the present application;

[0039] Figure 2 for Figure 1 Schematic diagram of the assembly of the main unit and humidification tank of the ventilator;

[0040] Figure 3 This is a schematic diagram of the structure of a host in one implementation mode of the present application;

[0041] Figure 4 This is a structural explosion view of a partial area of ​​a host computer according to an embodiment of the present application;

[0042] Figure 5 This is a schematic diagram of the structure of a humidification tank in one embodiment of the present application;

[0043] Figure 6 for Figure 5 Schematic diagram of the structure of the medium humidification tank from another perspective;

[0044] Figure 7 This is a structural explosion view of a humidification tank according to one embodiment of the present application;

[0045] Figure 8 This is a schematic diagram of the structure of a tank body according to an embodiment of the present application;

[0046] Fig. 9 for Figure 8 A cross-sectional view of the middle tank body;

[0047] Fig.10 This is a schematic structural diagram of an upper cover assembly in one embodiment of the present application;

[0048] Fig.11 for Fig.10 Structural explosion view of the middle and upper cover assembly;

[0049] Fig.12 This is a schematic diagram of the structure of an unlocking member in an implementation manner of the present application;

[0050] Fig.13 for Fig.12 A schematic diagram of the structure of the unlocking piece from another perspective;

[0051] Fig.14 A cross-sectional view of a ventilator according to an embodiment of the present application;

[0052] Fig.15 for Fig.14 Magnified view of area A in the middle;

[0053] Fig.16 This is a structural exploded view of a host according to one embodiment of the present application;

[0054] Fig.17 for Fig.16 Magnified view of area B;

[0055] Fig.18 for Fig.16 Magnified view of area C in the middle;

[0056] Fig.19 This is a schematic diagram of assembling a first shell and a second shell in one embodiment of the present application;

[0057] Fig. 20 This is a schematic diagram of the structure of a host in one implementation mode of the present application;

[0058] Fig.21 This is a schematic diagram of the bottom structure of a host in one implementation manner of the present application;

[0059] Fig. 22 This is a schematic structural diagram of a first shell in one implementation manner of the present application;

[0060] Fig.23 This is a schematic structural diagram of a second housing in one implementation of the present application;

[0061] Fig.24 A partial cross-sectional view of a host in one embodiment of the present application;

[0062] Fig.25 It is a schematic structural diagram of a side cover according to one embodiment of the present application.

[0063] in:

[0064] 1 host; 11 socket; 111 plug position; 112 plug end; 113 installation cavity; 114 opening; 115 guide groove; 116 first end face; 117 plug groove; 12 avoidance groove; 121 through opening; 13 pressing protrusion; 14 air outlet duct; 15 first shell; 151 first clamping part; 152 second clamping part; 1521 clamping groove; 1522 insertion groove; 153 alignment groove; 154 surrounding rib; 155 assembly rib; 156 fixing column; 157 supporting boss; 158 connecting part; 16 second shell; 161 first matching part; 162 second matching part; 1621 plug rib; 1622 matching groove; 163 alignment rib; 164 assembly groove; 165 matching column; 17 installation end face;

[0065] 2 humidification tank; 21 tank body; 211 plug-in section; 212 gripping part; 213 guide convex rib; 2131 proximal end; 2132 distal end; 214 water injection port; 215 limiting rib; 216 heat conducting surface; 22 upper cover assembly; 221 cover body; 2211 mounting sink; 2212 positioning protrusion; 2213 guide slide; 2214 plug-in groove; 222 unlocking piece; 2221 clamping part; 2222 elastic rib position; 2223 positioning port; 2224 plug-in block; 2225 fixed end; 2226 free end; 223 air outlet; 23 mounting protrusion; 24 air outlet transfer tube; 25 air inlet; 26 guide slide; 27 second end face; 271 plug-in protrusion; 28 air inlet pipe; 29 air inlet rib;

[0066] 3 heating element; 31 heating element; 32 heating cover plate; 33 bracket;

[0067] 4 elastic support member;

[0068] 5 sealing member; 51 sealing lip;

[0069] 6 card connectors;

[0070] 7 Fasteners;

[0071] 8 side cover; 81 fixing portion; 82 transmission circuit board; 83 snap hook; 84 supporting rib; 85 matching rib. DETAILED DESCRIPTION

[0072] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0073] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0074] In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0075] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0076] In the present application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "implementation method", "example", "one embodiment", "example" or "specific example" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0077] like Figures 1 to 3As shown, a ventilator includes a main unit 1 and a humidifier tank 2, the main unit 1 has a socket 11, the humidifier tank 2 has a plug section 211, the plug section 211 can be plugged with the socket 11 along a first direction and can be separated from the socket 11 along a second direction opposite to the first direction, the plug section 211 is provided with an air outlet transfer tube 24, the socket 11 is provided with an avoidance groove 12 extending along the first direction, so that when the humidifier tank 2 is plugged with the main unit 1, the air outlet transfer tube 24 can enter the avoidance groove 12 along the first direction.

[0078] The host 1 has a socket 11, one end of which extends to the end of the host 1 to form a plug-in position 111, and the plug-in position 111 has a plug-in end 112 with an opening 114 at the end of the host 1. The socket 11 has an installation cavity 113 for accommodating the plug-in section 211 of the humidification tank 2. When in use, the user can insert the humidification tank 2 into the installation cavity 113 from the opening 114, so that at least part of the humidification tank 2 is located inside the plug-in position 111 of the socket 11, thereby installing the humidification tank 2 inside the host 1, so that it and the host 1 are assembled into a whole, which is easy to use and carry.

[0079] Specifically, in one embodiment, Figure 2 As shown, the first direction and the second direction are both the length direction of the host 1 , the plug end 112 is located at one end of the length direction of the host 1 , and the humidification tank 2 is inserted into or taken out of the installation cavity 113 along the length direction of the host 1 .

[0080] It should be noted that the present application does not limit the assembly method of the humidifier tank 2 and the socket 11. In one embodiment, the humidifier tank 2 can be fully extended into the installation cavity 113, that is, after the humidifier tank 2 is installed, it will not protrude from the outer surface of the socket 11, so that the volume of the socket 11 is the volume of the entire ventilator, which helps to achieve the miniaturization of the ventilator.

[0081] In another embodiment, a part of the humidifier tank 2 can extend into the installation cavity 113, so that a part of the humidifier tank 2 is located outside the socket 11, so that the user can easily take the humidifier tank 2 out of the installation cavity 113 by holding the part. Figure 2 As shown, the humidifier tank 2 includes a plug-in section 211 and a gripping portion 212. After the humidifier tank 2 is installed, the plug-in section 211 is located inside the installation cavity 113, and the gripping portion 212 is located outside the installation cavity 113, wherein, along a first direction, a cross-sectional area of ​​the plug-in section 211 is smaller than a cross-sectional area of ​​the gripping portion 212, so that after the plug-in section 211 enters the installation cavity 113, the gripping portion 212 can be flush with the outer surface of the socket 11, thereby improving the overall appearance uniformity of the ventilator and reducing the step difference between the outer surfaces of the two components.

[0082] An air outlet transfer tube 24 is plugged into the side wall of the humidification tank 2 for an external pipeline to discharge the humidified gas for use by the user. The socket 11 is provided with an avoidance groove 12, which extends along a first direction to the plug-in end 112 to form a through opening 121, so that the avoidance groove 12 is not only in the shape of a long strip extending along the plug-in direction, but also has an area much larger than the opening area of ​​the air outlet 223 on the humidification tank 2. Therefore, when the humidification tank 2 is installed, the air outlet 223 is more easily aligned with the avoidance groove 12, and the horizontally extending structure of the avoidance groove 12 can also guide the air outlet transfer tube 24 during the plug-in installation process of the humidification tank 2, so that the movement direction of the humidification tank 2 is more stable and reliable, and the feeling of sticking is reduced.

[0083] Moreover, since the avoidance groove 12 extends to the plug-in end 112 to form a through-port 121, it is not necessary to remove the protruding air outlet transfer tube 24 during the assembly and disassembly of the humidification tank 2, and the humidification tank 2 with the air outlet transfer tube 24 plugged in can be inserted into the plug-in socket 11 as a whole. Specifically, after aligning the air outlet transfer tube 24 with the avoidance groove 12, the humidification tank 2 is inserted into the installation cavity 113 from the opening 114. Due to the avoidance of the through-port 121, the air outlet transfer tube 24 will not interfere with the plug-in socket 11, but enter the avoidance groove 12 through the through-port 121. In this way, the assembly and disassembly steps of the humidification tank 2 are simplified, and the disassembly steps of the air outlet transfer tube 24 during the assembly and disassembly of the humidification tank 2 are omitted, and the assembly and disassembly times of the air outlet transfer tube 24 are reduced to a certain extent, and the connection stability and sealing of the air outlet transfer tube 24 are ensured. In addition, since there is no need to remove the air outlet switching tube 24 during the installation and disassembly of the humidification tank 2, the air outlet switching tube 24 is always connected to the humidification tank 2, and the air outlet 223 will not be in a completely open state, thereby avoiding the risk of the humidification tank 2 shaking and causing internal water to leak from the air outlet 223, reducing the user's cleaning burden, improving the user experience, and avoiding water splashing into the main unit 1, thereby ensuring the service life of the fan inside the main unit 1.

[0084] Furthermore, in the present application, the avoidance groove 12 is only used for the passage of the air outlet transfer tube 24. There is no fixation between the main unit 1 and the air outlet transfer tube 24. The air outlet transfer tube 24 can form a separate module with the humidification tank 2 and be installed on the main unit 1 together with the humidification tank 2 or removed from the main unit 1.

[0085] Preferably, if Figure 3 , Figure 5 , Figure 6 As shown, the humidifier tank 2 includes a tank body 21 having a water storage cavity and an upper cover assembly 22 capable of covering the water storage cavity. When the humidifier tank 2 is plugged into and matched with the host 1, at least part of the inner wall of the socket 11 can abut against at least part of the outer wall of the humidifier tank 2, so that the upper cover assembly 22 is buckled into the tank body 21.

[0086] When the humidifier tank 2 is inserted into the socket 11, the inner wall of the socket 11 forms an extrusion force on the humidifier tank 2 from the outside toward the inside of the socket 11, so that the humidifier tank 2 is clamped and keeps its position stable, and the friction resistance between the humidifier tank 2 and the socket 11 is increased. On the one hand, it can reduce the gap between the outer side of the humidifier tank 2 and the inner wall of the socket 11, and reduce the shaking of the humidifier tank 2 in the socket 11. On the other hand, it can improve the fixing stability of the humidifier tank 2 under the extrusion pressure of the inner wall of the socket 11, and reduce the risk of the humidifier tank 2 escaping from the socket 11.

[0087] In addition, the inner wall of the socket 11 presses on the upper cover assembly 22, forming an extrusion force on the upper cover assembly 22 toward the tank body 21, so that the upper cover assembly 22 and the tank body 21 fit more tightly, which not only increases the covering effect of the upper cover assembly 22 on the tank body 21 and reduces the shaking of the upper cover assembly 22 relative to the tank body 21, but also improves the sealing between the upper cover assembly 22 and the tank body 21, preventing water inside the tank body 21 from leaking to the outside through the gap between the two.

[0088] Specifically, a sealing ring is provided between the upper cover assembly 22 and the tank body 21. The upper cover assembly 22 can be covered on the tank body 21 by interference fit, snap-fit, etc. Regardless of the method, when the upper cover assembly 22 is subjected to pressure, the sealing ring can be squeezed to improve the sealing between the upper cover assembly 22 and the tank body 21.

[0089] As a preferred embodiment of the present application, Figure 3 , Figure 5 As shown, the socket 11 is provided with pressing protrusions 13 on both sides of the avoidance groove 12, and the pressing protrusions 13 protrude toward the inside of the socket 11. When the humidification tank 2 is plugged into the host 1, the pressing protrusions 13 can abut against the upper cover assembly 22 so that the upper cover assembly 22 is buckled into the tank body 21.

[0090] Further, as shown in the figure, Figure 3 , Figure 5 As shown, the outer surface of the humidification tank 2 has a guide slide 26 extending along the insertion direction of the humidification tank 2 , and the pressing protrusion 13 is in abutment with the guide slide 26 .

[0091] The pressing protrusion 13 can also cooperate with the guide slide 26 to form a guide during the assembly and disassembly process of the humidification tank 2, guiding the humidification tank 2 to reciprocate only in the same direction, reducing the shaking generated during the movement of the humidification tank 2, making the movement of the humidification tank 2 smoother, reducing the jamming, and improving the operating feel. At the same time, the pressing protrusion 13 is located on both sides of the avoidance groove 12, and can form a good guiding effect and pressing force on the humidification tank 2 on both sides of the avoidance groove 12, thereby improving the position accuracy of the humidification tank 2 and the host 1.

[0092] In the present application, the pressing protrusion 13 can be a long strip of ribs, or a convex point or a protrusion structure of other shapes, as long as it can cooperate with the guide slide 26 to guide the movement of the humidification tank 2, and no limitation is made here.

[0093] Of course, the pressing protrusion 13 may also be arranged on the outer surface of the humidification tank 2 , and correspondingly, a guide slide 26 is arranged on the inner wall of the socket 11 to cooperate with the pressing protrusion 13 .

[0094] Preferably, if Figure 3 As shown, the pressing protrusion 13 is arranged on the upper side wall of the socket 11, protruding downward to press the upper cover assembly 22 from top to bottom. Of course, the pressing protrusion 13 can also be arranged on the left and right side walls of the socket 11 to protrude horizontally to press the left and right sides of the humidification tank 2.

[0095] Furthermore, if Figure 3 As shown, a heating element 3 is also provided in the socket 11, and the heating element 3 is floatingly connected to the socket 11. The humidification tank 2 has a heat-conducting surface 216, and the heating element 3 abuts against the heat-conducting surface 216. The heating element 3 and the avoidance groove 12 are respectively located on the opposite sides of the socket 11, so that the heating element 3 and the pressing protrusion 13 clamp the humidification tank 2.

[0096] The heating element 3 is connected in a floating manner inside the socket 11 , so that after the humidification tank 2 is installed, the heating element 3 can always abut against the heat-conducting surface 216 , thereby ensuring the contact effect between the two and thus ensuring the heat transfer efficiency.

[0097] like Figure 4 As shown, there is an elastic support member 4 between the heating element 3 and the inner wall of the socket 11, and the elastic support member 4 is used to apply a force to the heating element 3 toward the installation cavity 113 inside the socket 11. When the humidification tank 2 enters the installation cavity 113, the heating element 3 is squeezed outward, so that the heating element 3 moves away from the humidification tank 2, and the elastic support member 4 is compressed. When the humidification tank 2 is taken out of the installation cavity 113, the elastic support member 4 pushes the heating element 3 to move to the inside of the installation cavity 113 to reset.

[0098] Specifically, the elastic support member 4 can be a silicone member, a spring, etc. It can be one arranged at the center of the heating member 3 or multiple arranged evenly along the circumference of the heating member 3 to provide a uniform and stable elastic force to the heating member 3 .

[0099] Specifically, Figure 4As shown, the heating member 3 includes a bracket 33, a heating element 31 and a heating cover plate 32, the elastic support member 4 acts on the bracket 33, the heating element 31 is located between the bracket 33 and the heating cover plate 32, the heating cover plate 32 has an escape opening for the heating element 31 to at least partially pass through, the position of the heating cover plate 32 is fixed, and the heating element 31 and the bracket 33 can float under the action of the elastic support member 4.

[0100] Preferably, if Figure 3 , Fig. 9 As shown, the heating element 3 is arranged on the lower side wall of the socket 11, the heat conducting surface 216 is located on the lower side wall of the humidification tank 2, and the pressing protrusion 13 and the avoidance groove 12 are arranged on the upper side wall of the socket 11, so that the two can clamp the humidification tank 2 up and down to improve the position stability of the humidification tank 2.

[0101] Furthermore, if Figure 7 , Figure 8 As shown, the tank body 21 has a water injection port 214 connected to the water storage chamber, and a limiting rib 215 surrounding the water injection port 214 is provided at the water injection port 214. When the humidification tank 2 is plugged into the host 1, the bottom end of the upper cover assembly 22 abuts against the limiting rib 215.

[0102] The limiting ribs 215 surround the water injection port 214, which can not only limit the installation of the upper cover assembly 22, but also prevent the upper cover assembly 22 from excessively entering the water injection port 214, thereby ensuring a good covering state and sealing. At the same time, after the humidification tank 2 is installed, the upper cover assembly 22 is pressed by the inner wall of the socket 11, which increases the contact force between it and the limiting ribs 215. Therefore, on the one hand, the upper cover assembly 22 is squeezed by the limiting ribs 215 and the pressing protrusion 13 on both sides to maintain a stable position. On the other hand, the squeezing force between the upper cover assembly 22 and the limiting ribs 215 is increased, which also improves the sealing performance between the two and avoids water leakage inside the tank body 21.

[0103] Specifically, the limiting rib 215 extends from the edge of the water injection port 214 to the inside of the water injection port 214. The limiting rib 215 can be a complete circle to surround the water injection port 214, or can be a plurality of discontinuous convex ribs arranged along the circumference of the water injection port 214.

[0104] It should be noted that the sealing ring can be arranged between the bottom end of the upper cover assembly 22 and the limiting rib 215, so that the upper cover assembly 22 and the limiting rib 215 squeeze the sealing ring up and down to form a seal. The sealing ring can also be arranged between the outer peripheral side of the upper cover assembly 22 and the inner side wall of the water injection port 214, so that the upper cover assembly 22 and the mouth of the water injection port 214 squeeze the sealing ring horizontally to form a seal, which is not limited here.

[0105] In a preferred embodiment of the present application, Figure 3 , Figure 5 , Figure 6 As shown, one of the inner wall of the plug socket 11 and the outer wall of the plug section 211 is provided with a guide groove 115 extending along the plugging direction of the humidifier tank 2, and the other is provided with a guide rib 213 matching the guide groove 115.

[0106] Specifically, Figure 3 , Figure 5 As shown, the humidification tank 2 is plugged into the socket 11 in the horizontal direction, and the guide groove 115 extends in the horizontal direction. The guide rib 213 cooperates with the guide to form a motion guide for the plug-in installation and removal of the humidification tank 2, so that the humidification tank 2 can only move along the extension direction of the guide groove 115, thereby improving the movement reliability and making the installation and removal process of the humidification tank 2 smoother.

[0107] Specifically, the guide rib 213 also extends in a strip shape along the plugging direction of the humidification tank 2. Figure 3 , Figure 5 As shown, the guide rib 213 is provided on the humidification tank 2, and the guide groove 115 is provided on the inner wall of the socket 11. Further, the guide rib 213 is respectively located on the left and right side walls of the humidification tank 2, and the guide groove 115 is correspondingly located on the left and right sides of the humidification tank 2. Of course, the guide groove 115 can also be provided on the outer wall of the humidification tank 2, and the guide rib 213 can be provided on the inner wall of the installation cavity 113.

[0108] Preferably, if Figure 5 , Figure 6 As shown, the guide rib 213 is provided with a plurality of limiting protrusions at intervals along the plugging direction, and the guide rib 213 forms a point contact with the guide groove 115 through the limiting protrusions. When the guide rib 213 enters or slides out of the guide groove 115, the friction between the guide rib 213 and the guide groove 115 can be reduced, so that the disassembly and assembly of the humidification tank 2 is smoother. In addition, the entrance of the guide groove 115 is set to a flaring structure that expands toward the outside of the guide groove 115, or the proximal end 2131 of the guide rib 213 is provided with a guiding inclined surface or a guiding curved surface, so that the two can be better aligned and the guide rib 213 can smoothly enter the guide groove 115.

[0109] Furthermore, if Figure 5 , Figure 6 As shown, the guide rib 213 extends along the first direction to have a proximal end 2131 and a distal end 2132, wherein, in the process of plugging the humidification tank 2 into the host 1 along the first direction, the proximal end 2131 cooperates with the guide groove 115 before the distal end 2132, and the thickness of the distal end 2132 is greater than the thickness of the proximal end 2131.

[0110] During the process of plugging and installing the humidification tank 2, the proximal end 2131 of the guide rib 213 first enters the guide groove 115 to complete the fit, and as the insertion process proceeds, the guide rib 213 slides in the guide groove 115 toward the host 1, and the distal end 2132 subsequently fits with the guide groove 115. Among them, the thickness of the proximal end 2131 is relatively thin, so that in the early stage of plugging the humidification tank 2 and the host 1, the gap between the guide rib 213 and the guide groove 115 is relatively large, which facilitates the user to align the proximal end 2131 and the guide groove 115 and insert it, and in the process of inserting the humidification tank 2, the position and angle of the humidification tank 2 can also be adjusted in real time, so that the insertion process of the humidification tank 2 is smoother and less stuck. As the humidifier tank 2 is inserted, the distal end 2132 gradually cooperates with the guide groove 115. Since the distal end 2132 is thicker, the gap between it and the guide groove 115 is smaller, and even the distal end 2132 interferes with the inner wall of the guide groove 115. This not only reduces the shaking of the humidifier tank 2 in the installation cavity 113 after installation, but also forms an inward squeezing force on the humidifier tank 2, thereby assisting in fixing the humidifier tank 2 and improving the fixing stability of the humidifier tank 2.

[0111] Specifically, in one embodiment, Figure 5 , Figure 6 As shown, the distal end 2132 is provided with a fastening rib to increase the thickness of the distal end 2132, and a guide surface is provided on the side of the fastening rib facing the proximal end 2131, and the guide surface is an inclined surface or an arc surface. In another embodiment, the thickness of the guide rib 213 gradually increases from the proximal end 2131 to the distal end 2132.

[0112] As a preferred implementation of the present application, Figure 3 , Figure 7 As shown, the socket 11 has a first end face 116 opposite to the humidification tank 2 along the first direction, and the plug-in section 211 has a second end face 27 opposite to the first end face 116. One of the first end face 116 and the second end face 27 is provided with a plug-in protrusion 271, and the other of the two is provided with a plug-in groove 117. The plug-in protrusion 271 and the plug-in groove 117 are plugged in to limit the humidification tank 2.

[0113] The plug-in cooperation between the plug-in protrusion 271 and the plug-in groove 117 can further limit the movement of the humidification tank 2 relative to the plug-in socket 11 after the humidification tank 2 is installed, thereby improving the installation stability of the humidification tank 2.

[0114] Specifically, Figure 3 , Figure 7As shown, the plugging protrusion 271 is provided on the first end surface 116, and the plugging groove 117 is provided on the second end surface 27, or the plugging protrusion 271 can also be provided on the second end surface 27, and the plugging groove 117 can be provided on the first end surface 116, which is not limited here. At the same time, this embodiment does not limit the number of the plugging protrusion 271 and the plugging groove 117, and the arrangement positions and arrangements on the first end surface 116 and the second end surface 27.

[0115] Preferably, if Figure 7 As shown, the humidification tank 2 includes a tank body 21 having a water storage cavity, and an upper cover assembly 22 capable of covering the water storage cavity. The upper cover assembly 22 is provided with an air outlet 223 , and the air outlet transfer tube 24 is plugged into and matched with the air outlet 223 .

[0116] The air outlet adapter tube 24 is plugged into the air outlet 223 , so as to form a whole with the upper cover assembly 22 , so that it can be removed from the tank body 21 together with the upper cover assembly 22 , which is convenient for cleaning and installation.

[0117] Furthermore, if Figure 1 As shown, the avoidance groove 12 is arranged on the upper side wall of the socket 11, the upper cover assembly 22 is provided with a mounting boss 23, and the air outlet transfer pipe 24 is arranged on the mounting boss 23. When the humidification tank 2 is installed to the host 1, the upper surface of the mounting boss 23 is flush with the upper surface of the socket 11 or together form an arc surface.

[0118] The avoidance groove 12 is located on the upper side wall of the socket 11, and the air outlet transfer pipe 24 is correspondingly located on the upper side wall of the humidification tank 2, so as to help make the height of the air outlet transfer pipe 24 higher than the liquid level of the water in the tank body 21, and prevent water from flowing out through the air outlet transfer pipe 24. Since the humidification tank 2 is inserted into the socket 11, the cross-sectional area of ​​the humidification tank 2 needs to be designed to be smaller than the cross-sectional area of ​​the socket 11. Therefore, after the humidification tank 2 is installed, the two components may produce a step difference on the outer surface of the whole machine, affecting the appearance and feel. By arranging a mounting boss 23 on the upper cover assembly 22, the mounting boss 23 corresponds to the avoidance groove 12, so that a part of the mounting boss 23 can extend to the outside through the avoidance groove 12 to be flush with the upper surface of the socket 11 or form an arc surface together, so that the upper surface of the whole machine is smoother and smoother, and the step difference between the humidification tank 2 and the socket 11 is reduced. In addition, since the mounting boss 23 is an upwardly protruding structure, and the air outlet 223 is arranged on the mounting boss 23, the height of the position where the air outlet 223 and the air outlet transfer tube 24 are located is further increased, making them farther from the water level in the tank body 21, further reducing the risk of water leakage. Moreover, during the insertion of the humidification tank 2, the mounting boss 23 can also enter the avoidance groove 12 from the through port 121, so that the edges of the two sides of the avoidance groove 12 cooperate with the mounting boss 23 to form a guide, thereby improving the plugging stability of the humidification tank 2.

[0119] Of course, the avoidance groove 12 can also be set on the left and right side walls of the socket 11 , and the air outlet 223 is set corresponding to the avoidance groove 12 .

[0120] Preferably, if Figures 5 to 7 , Fig.10 , Fig.11 As shown, the upper cover assembly 22 includes a cover body 221 and an unlocking member 222. The cover body 221 covers the water storage chamber. The unlocking member 222 has a snap-fitting portion 2221. The inner wall of the socket 11 is provided with a mating portion that is snap-fitted with the snap-fitting portion 2221. The unlocking member 222 can move to release the mating between the snap-fitting portion 2221 and the mating portion.

[0121] Specifically, in one embodiment, Fig.10 , Fig.11 As shown, the clamping part 2221 is a hook, and the matching part is a slot. The hook extends into the slot to achieve clamping fixation, and at the same time, the humidification tank 2 is locked so that it cannot be removed from the installation cavity 113. The unlocking member 222 is floatingly arranged on the upper cover assembly 22. When the user drives the unlocking member 222 to move by pressing or other means, the clamping part 2221 moves with the unlocking member 222, thereby disengaging from the matching part (the hook is removed from the slot). At this time, the humidification tank 2 is unlocked from the socket 11, and the user can take the humidification tank 2 out of the installation cavity 113.

[0122] This embodiment does not limit the connection method between the unlocking member 222 and the cover body 221. In one embodiment, an elastic member is provided between the unlocking member 222 and the cover body 221. The elastic member can be an elastic member such as a spring, a silicone member, etc., so that the unlocking member 222 can float under the action of its own elastic force.

[0123] In another embodiment, if Figures 11 to 13 As shown, the unlocking member 222 includes an operating panel and an elastic rib 2222 located below the operating panel. The elastic rib 2222 has a fixed end 2225 fixed to the operating panel and a free end 2226 extending obliquely toward the clamping portion 2221. The free end 2226 can swing around the fixed end 2225 to make the operating panel float up and down.

[0124] Specifically, Fig.12 , Fig.13 As shown, the clamping portion 2221 is located at one end of the operation panel, and the elastic rib 2222 extends obliquely toward the end where the clamping portion 2221 is located. Therefore, when the user presses the operation panel, the end where the clamping portion 2221 is located will float downward, thereby causing the clamping portion 2221 and the mating portion to disengage and complete the unlocking.

[0125] Preferably, if Fig.11As shown, the upper surface of the cover body 221 has a mounting sink 2211, and the unlocking piece 222 is floatingly mounted on the mounting sink 2211. The mounting sink 2211 is provided with a positioning protrusion 2212, and the elastic rib position 2222 is provided with a positioning port 2223 cooperating with the positioning protrusion 2212. The mounting sink 2211 is also provided with a guide groove 2213 located on both sides of the elastic rib position 2222. The guide groove 2213 can cooperate with the two ends of the elastic rib position 2222 to guide the installation of the unlocking piece 222.

[0126] like Fig.11 As shown, inverted L-shaped ribs are provided on both sides of the positioning protrusion 2212, and the opposite sides of the two inverted L-shaped ribs constitute a guide slot 2213, and the guide slot 2213 extends horizontally. When the unlocking member 222 is installed, the two ends of the elastic rib position 2222 are respectively located in the guide slot 2213, and are guided by the inverted L-shaped ribs to move horizontally until the positioning protrusion 2212 and the positioning port 2223 are matched, so that the unlocking member 222 is fixed to the cover body 221.

[0127] Preferably, one of the opposite end surfaces of the unlocking member 222 and the mounting sink 2211 is provided with a plug-in block 2224 , and the other is provided with a plug-in groove 2214 , and the two are plugged together to limit the relative position of the unlocking member 222 and the cover body 221 .

[0128] like Fig.10 As shown, the operation panel is provided with anti-slip textures to improve the user's feel during operation and enhance the user experience.

[0129] As a preferred implementation of the present application, Figure 8 , Fig. 9 As shown, the humidifier tank 2 has a water storage cavity, and the humidifier tank 2 is also provided with an air inlet 25, to which an air inlet pipe 28 is plugged, and the air inlet pipe 28 extends into the water storage cavity and extends downwardly inclined or curved, and the airflow in the host 1 enters the water storage cavity through the air inlet pipe 28, and after contacting and humidifying the liquid in the water storage cavity, it flows out through the air outlet transfer pipe 24.

[0130] The airflow blown out from the blower inside the main unit 1 enters the water storage chamber through the air inlet 25, is guided by the air inlet pipe 28 extending downward, contacts the water in the water storage chamber to complete humidification, and is discharged from the upper air outlet 223. The air inlet pipe 28 extending downward can make the gas flow toward the liquid surface, thereby ensuring that the gas and water are completely in contact, improving the humidification effect, and at the same time, it can prevent the water in the water storage chamber from flowing into the main unit 1 through the air inlet pipe 28 when the humidification tank 2 is slightly tilted.

[0131] Specifically, the end of the air inlet pipe 28 can be bent downward, or the air inlet pipe 28 can be extended downward in an inclined manner as a whole, so that it is closer and closer to the liquid level in the water storage chamber.

[0132] Preferably, if Fig.14 , Fig.15 As shown, the main unit 1 has an air outlet pipe 14 inside, and the outer periphery of the air inlet 25 has an air inlet rib 29 extending toward the main unit 1, the air inlet rib 29 forms a docking channel, the air outlet pipe 14 and the air inlet rib 29 are plugged together, and a seal 5 is provided between the air outlet pipe 14 and the air inlet rib 29, and the seal 5 is respectively abutted and sealed with the air outlet pipe 14 and the air inlet rib 29 in the radial direction of the air outlet pipe 14.

[0133] The outlet pipe 14 and the air inlet rib 29 are plugged together so that they partially overlap in the axial direction, thereby reducing gas leakage at the connection. At the same time, the seal 5 is located between the two, and the inside and outside are respectively abutted and sealed with the outlet pipe 14 and the air inlet rib 29, thereby achieving radial sealing. Compared with axial sealing, in this embodiment, after the seal 5 abuts against the outlet pipe 14 and the air inlet rib 29 respectively, the seal 5 will be deformed under the action of radial extrusion force, thereby increasing the friction resistance of the outlet pipe 14 and the air inlet rib 29 relative movement in the axial direction, making the plug-in of the two more stable.

[0134] Specifically, Fig.15 As shown, the air outlet pipe 14 extends into the docking channel, the sealing member 5 is sleeved on the outer peripheral side of the air outlet pipe 14 and has a sealing lip 51 protruding radially outward along the air outlet pipe 14 , and the sealing lip 51 abuts against the inner wall of the air inlet rib 29 for sealing.

[0135] Preferably, if Fig.15 As shown, a fixing rib is provided on the outer peripheral side of the air outlet pipe 14 , and the sealing member 5 has a receiving groove matched with the fixing rib to improve the assembly stability of the sealing member 5 and the air outlet pipe 14 .

[0136] The assembly and disassembly process of the main unit 1 and the humidification tank 2 of the ventilator is as follows: after removing the upper cover assembly 22 from the tank body 21, add an appropriate amount of humidifying liquid (such as water) into the tank body 21, snap the upper cover assembly 22 onto the tank body 21, and then plug the humidification tank 2 into the main unit 1 along the first direction. During the plugging process, press the unlocking piece 222 to make the snap-fitting portion 2221 snap-fit ​​with the mating portion, and at the same time, press the protrusion 13 to abut the upper cover assembly 22 to ensure that the upper cover assembly 22 is tightly snapped onto the tank body 21; when separating the humidification tank 2 from the main unit 1, press the unlocking piece 222 and move the humidification tank 22 along the second direction so that the snap-fitting portion 2221 is released from the mating portion, thereby smoothly removing the humidification tank 22 from the main unit 1.

[0137] The present application does not limit the assembly method of the host 1, which can be an integrated structure. In a preferred embodiment, Fig.16 , Fig.19As shown, the host 1 includes a first shell 15 and a second shell 16. The first shell 15 and the second shell 16 cooperate to form an installation cavity 113. The first shell 15 is provided with a snap-fit ​​structure, and the second shell 16 is provided with a matching structure that snaps with the snap-fit ​​structure to enable the first shell 15 and the second shell 16 to be snap-fitted and fixed.

[0138] The first shell 15 and the second shell 16 are fixed by snap-fitting. On the one hand, while ensuring the stability and reliability of the connection, there is no need to use a large number of additional connecting parts such as screws, thereby saving production costs. On the other hand, the processing of the snap-fitting structure and the matching structure is also relatively simple, and the operation during the assembly process is also more convenient, thereby simplifying the assembly steps and improving the assembly efficiency.

[0139] Preferably, the first shell 15 and the second shell 16 are spliced ​​and assembled along a direction perpendicular to the length direction of the host 1. Specifically, Fig.16 , Fig.19 As shown, the first shell 15 and the second shell 16 are spliced ​​up and down to form a complete host 1. Of course, the first shell 15 and the second shell 16 can also be spliced ​​left and right to form the host 1, which is not limited here.

[0140] It should be noted that, in the present application, the first shell 15 and the second shell 16 can be fixed completely by means of snap-fitting, or can be fixed by means of snap-fitting and other methods to improve the fixing stability.

[0141] Preferably, if Figures 16 to 18 As shown, the clamping structure includes a first clamping portion 151 disposed at one end of the first shell 15 along the length direction of the first shell 15, and a second clamping portion 152 disposed at the other end of the first shell 15, and the matching structure includes a first matching portion 161 disposed corresponding to the first clamping portion 151, and a second matching portion 162 disposed corresponding to the second clamping portion 152. Since they are disposed at the end, the first clamping portion 151 and the second clamping portion 152 can be disposed on the outside of the first shell 15, and similarly, the first matching portion 161 and the second matching portion 162 can also be disposed on the outside of the second shell 16, so that during assembly, the assembler can directly see the position of each clamping structure, thereby making it easier to complete the clamping fixation, further reducing the assembly difficulty and improving the assembly efficiency.

[0142] In this embodiment, the first clamping portion 151 and the first matching portion 161, as well as the second clamping portion 152 and the second matching portion 162 can be directly clamped and fixed, or can be clamped by other clamping components. Figures 16 to 19As shown, the first snap-fitting portion 151 includes a first snap-fitting structure, the first matching portion 161 includes a second snap-fitting structure, the first snap-fitting structure and the second snap-fitting structure are snap-fitted, at least one of the second snap-fitting portion 152 and the second matching portion 162 is provided with a snap-fitting groove 1521, and the ventilator also includes a snap-fitting component 6, which is snap-fitted with the snap-fitting groove 1521 to fix the second snap-fitting portion 152 and the second matching portion 162.

[0143] like Fig.16 , Fig.19 As shown, the first buckle structure and the second buckle structure can be directly buckled to complete the fixation, such as Figures 16 to 18 As shown, the second clamping portion 152 and the second matching portion 162 are clamped and fixed by the clamping member 6. Fig.16 , Fig.17 , Fig.18 As shown, the clamping member 6 is a clamp. After the second clamping portion 152 and the second matching portion 162 are assembled, the clamping member 6 is clamped on both sides of the second clamping portion 152 and the second matching portion 162, thereby clamping and fixing the second clamping portion 152 and the second matching portion 162.

[0144] Specifically, the first buckle structure and the second buckle structure can both be protruding buckles, and the two buckles are fixed by buckling, or one of them can be a protruding buckle and the other can be a buckle groove or a buckle interface, so that the buckle can be inserted into the groove or the mouth to complete the buckling.

[0145] Furthermore, if Fig.17 , Fig.18 As shown, at least one of the second clamping portion 152 and the second matching portion 162 is provided with a clamping groove 1521 , and the clamping member 6 is clamped in the clamping groove 1521 to maintain a stable connection and prevent the clamping member 6 from slipping off.

[0146] Preferably, if Figures 16 to 18 As shown, the second clamping portion 152 is located below the second matching portion 162, and the top surface of the second matching portion 162 and the bottom surface of the second clamping portion 152 are both provided with a clamping groove 1521, so that the clamping member 6 is clamped in the clamping groove 1521 from top to bottom. Of course, the clamping groove 1521 can also be provided only on the bottom surface of the second clamping portion 152 or the top surface of the second matching portion 162, so that only one end of the clamping member 6 is clamped in the clamping groove 1521, and the other end directly abuts against the end surface of the second matching portion 162 or the second clamping portion 152.

[0147] like Fig.17 , Fig.18As shown, the second clamping portion 152 includes a first convex rib protruding outward along the length direction of the main unit 1, and the second matching portion also includes a second convex rib protruding outward along the length direction of the main unit 1. One of the opposite sides of the first convex rib and the second convex rib is provided with an insert rib 1621, and the other is provided with an insertion groove 1522, so that the two can be plugged and spliced ​​together, and the clamping part 6 tightly fixes the first convex rib and the second convex rib from the outside.

[0148] Preferably, if Fig.16 , Fig.19 , Fig. 22 , Fig.23 As shown, the inner wall of one of the first shell 15 and the second shell 16 is provided with an alignment groove 153, and the other one is provided with an alignment rib 163 extending into the alignment groove 153. One of the first clamping portion 151 and the first matching portion 161 is provided on the inner wall of the alignment groove 153, and the other one is provided on the outer wall of the alignment rib 163.

[0149] The alignment groove 153 and the alignment rib 163 can play a positioning role in the assembly of the first shell 15 and the second shell 16, thereby improving the position accuracy of the two. At the same time, the first clamping portion 151 and the first matching portion 161 are located at the matching position of the alignment rib 163 and the alignment groove 153, so that after the alignment rib 163 and the alignment groove 153 are positioned, the first clamping portion 151 and the first matching portion 161 are also aligned or clamped. Therefore, when assembling the first shell 15 and the second shell 16, it is only necessary to complete the matching of the alignment rib 163 and the alignment groove 153, so that the first clamping portion 151 and the first matching portion 161 can be synchronously clamped.

[0150] Specifically, in one embodiment, Fig.19 As shown, the first housing 15 is located below the second housing 16, the alignment groove 153 is provided on the inner wall of the first housing 15, and the alignment rib 163 protrudes downward from the lower edge of the second housing 16 so as to be able to extend into the alignment groove 153. The alignment groove 153 extends along the length direction of the host 1, and the first clamping portion 151 is multiple and is arranged at intervals along the length direction of the host 1, so as to achieve multi-point fixation and improve fixation stability.

[0151] Specifically, Fig.19 As shown, the first shell 15 is provided with alignment grooves 153 on both sides along the width direction, and the first clamping parts 151 are provided in the alignment grooves 153 on both sides.

[0152] This embodiment does not limit the formation method of the alignment groove 153. In one embodiment, Fig.19 , Fig. 22As shown, the inner wall of the first shell 15 or the second shell 16 is provided with ribs 154, and the ribs 154 surround the alignment groove 153. The first shell 15 or the second shell 16 can also be partially recessed to form the alignment groove 153, which is not limited here.

[0153] like Fig.19 , Fig. 22 As shown, the alignment groove 153 is located below the alignment rib 163 , and the top of the alignment groove 153 has a passage for the alignment rib 163 to enter and exit.

[0154] In a preferred embodiment, Fig.19 As shown, an edge of one of the first shell 15 and the second shell 16 is provided with a mounting rib 155 , and an edge of the other of the first shell 15 and the second shell 16 is provided with a mounting groove 164 that is plugged and matched with the mounting rib 155 .

[0155] As a preferred embodiment of the present application, Fig.24 As shown, the first shell has a fixing channel, the second shell 16 has a fixing hole, and the ventilator further includes a fastener 7, which passes through the fixing channel and is fastened to the fixing hole.

[0156] After the first shell 15 and the second shell 16 are fixed by snapping, they are fastened together by the fastener 7, which strengthens the connection between the two and improves the connection stability between the two. Not only is the connection stability of the first shell 15 and the second shell 16 improved by the dual methods of snapping and fixing with the fastener 7, but the number of fasteners 7 used can also be significantly reduced, saving costs and reducing assembly difficulty.

[0157] Preferably, the fastener 7 is a screw.

[0158] like Fig.21 , Fig.24 As shown, the clamping structures are arranged at both ends of the first shell 15 along the length direction of the first shell 15, and the fixing channel is located between the two clamping structures. Fig.21 As shown, the outer surface of the first shell 15 is provided with a receiving groove, and the fixing channel is located in the receiving groove.

[0159] Specifically, Figure 22 to Figure 24 As shown, the first shell 15 has a fixing column 156 protruding into the interior of the main unit, and the fixing channel is located inside the fixing column 156. The second shell also has a matching column 165 extending into the interior of the main unit, and a fixing hole is opened in the matching column 165. The fastener 7 extends into the fixing channel to be fastened to the matching column 165.

[0160] Preferably, the receiving groove is located on the bottom surface of the first housing 15, and the fixing column 156 extends vertically upward, so that when the ventilator is placed on a table, the receiving groove and the fastener 7 can be covered to improve the appearance. Fig.19 , Fig.21 As shown, the bottom surface of the first shell 15 is provided with a downwardly protruding support boss 157 to allow the ventilator to be placed stably, and the accommodating sink groove is opened on the support boss 157.

[0161] As a preferred embodiment of the present application, Fig. 20 As shown, one end of the first housing is provided with a first mating end face, and one end of the second housing is provided with a second mating end face, and the first mating end face and the second mating end face cooperate to form a mounting end face 17, and the ventilator further comprises a side cover 8 fixed to the mounting end face, and a sealing member is provided between the side cover 8 and the host 1. The mounting end face is located on the other side opposite to the mounting cavity 113 along the length direction of the host 1.

[0162] This embodiment does not limit the fixing method of the side cover 8 and the host 1. Preferably, Fig. 20 , Fig.25 As shown, the first housing is provided with a connecting portion 158, and the side cover 8 is provided with a fixing portion 81. After the connecting portion 158 and the fixing portion 81 are plugged and matched, the side cover 8 can rotate around the matching position. When the side cover 8 is rotated to a position covering the end of the host 1, the side cover 8 is locked with the second housing 16 or the internal components of the host 1 by fastening components such as screws. In this way, the side cover 3 is fixed to at least two of the internal components of the host 1, the first housing 15, and the second housing 16 at the same time, thereby improving the stability of the overall structure.

[0163] Preferably, if Fig.25 As shown, the ventilator also includes a transmission circuit board 82. A fixing rib is provided on the side of the side cover 8 facing the host 1. The fixing rib forms an installation position for installing the transmission circuit board 82. The fixing rib has a snap-on hook 83. The snap-on hook 83 snaps and fixes the transmission circuit board 82.

[0164] like Fig.25 As shown, the snap hooks 83 are located on both sides of the installation position, and avoidance grooves are provided on the corresponding two sides of the transmission circuit board 82. The snap hooks 83 pass through the avoidance grooves to snap into the edges of the avoidance grooves.

[0165] In one embodiment, if Fig.25 As shown, a support rib 84 is provided in the mounting position, and the support rib 84 is used to support the transmission circuit board 82 so that there is a heat dissipation gap between the transmission circuit board 82 and the side cover 8. As a preferred embodiment, Fig.25 As shown, at least a portion of the fixing ribs constitute the supporting ribs 84 , which abut against the side of the transmission circuit board 82 facing the side cover 8 .

[0166] Preferably, the side cover 8 is provided with a matching rib 85, and the main unit 1 is provided with a matching groove 1622, and the two are plugged in and matched. Fig.18 , Fig.25As shown, the matching groove 1622 is disposed on the second matching portion 162 .

[0167] As a preferred embodiment, the installation method of the ventilator housing is as follows: after aligning the first shell 15 and the second shell 16, the first clamping portion 151 and the first matching portion 161 are clamped together, and the second clamping portion 152 and the second matching portion 162 are clamped together to complete the pre-fixation of the first shell 15 and the second shell 16, and then the first shell 15 and the second shell 16 are fixed by the fastener 7; then the side cover 8 is installed, and after the fixing portion 81 on the side cover 8 is plugged into the connecting portion 158, the side cover 8 is rotated around the matching position, and when the side cover 8 is rotated to the position covering the end of the host 1, the side cover 8 is locked with the host 1 by a second fastener such as a screw.

[0168] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0169] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0170] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A ventilator, comprising a host and a humidifier tank, wherein the host has a socket, and the humidifier tank has a plug section, wherein the plug section can be plugged with the socket in a first direction and can be separated from the socket in a second direction opposite to the first direction, characterized in that: The plug-in section is provided with an air outlet adapter tube, and the plug-in seat is provided with an avoidance groove extending along the first direction, so that when the humidifier tank is plugged into the host, the air outlet adapter tube can enter the avoidance groove along the first direction.

2. The ventilator according to claim 1, characterized in that: The humidifier tank includes a tank body having a water storage cavity and an upper cover assembly capable of covering the water storage cavity. When the humidifier tank is plugged into and matched with the host, at least part of the inner wall of the socket can abut against at least part of the outer wall of the humidifier tank, so that the upper cover assembly is buckled into the tank body.

3. The ventilator according to claim 2, characterized in that: The socket is provided with pressing protrusions on both sides of the avoidance groove, and the pressing protrusions protrude toward the inside of the socket. When the humidifier tank is plugged into the host, the pressing protrusions can abut against the upper cover assembly so that the upper cover assembly is buckled into the tank body.

4. The ventilator according to claim 3, characterized in that: The outer surface of the humidification tank has a guide slide extending along the first direction, and the pressing protrusion is in abutment with the guide slide.

5. The ventilator according to claim 3, characterized in that: A heating element is also provided in the socket, and the heating element is floatingly connected to the socket. The humidification tank has a heat-conducting surface, and the heating element abuts against the heat-conducting surface. The heating element and the avoidance groove are respectively located on opposite sides of the socket, so that the heating element and the pressing protrusion clamp the humidification tank.

6. The ventilator according to claim 2, characterized in that: The tank body has a water inlet connected to the water storage cavity, and a limiting rib surrounding the water inlet is provided at the water inlet. When the humidification tank is plugged into the host, the bottom end of the upper cover assembly abuts against the limiting rib.

7. The ventilator according to claim 1, characterized in that: One of the inner wall of the plug socket and the outer wall of the plug section is provided with a guide groove extending along the first direction, and the other is provided with a guide rib matched with the guide groove.

8. The ventilator according to claim 7, characterized in that: The guide rib extends along the first direction to have a proximal end and a distal end, wherein, during the process of the humidifier tank being plugged into the host along the first direction, the proximal end cooperates with the guide groove before the distal end, and the thickness of the distal end is greater than the thickness of the proximal end.

9. The ventilator according to claim 1, characterized in that: The socket has a first end face opposite to the humidification tank along the first direction, the plug-in section has a second end face opposite to the first end face, one of the first end face and the second end face is provided with a plug-in protrusion, and the other of the two is provided with a plug-in groove, and the plug-in protrusion and the plug-in groove are plugged in to limit the humidification tank.

10. The ventilator according to claim 1, characterized in that: The humidification tank comprises a tank body with a water storage cavity and an upper cover assembly capable of covering the water storage cavity. The upper cover assembly is provided with an air outlet, and the air outlet adapter tube is plugged and matched with the air outlet.

11. The ventilator according to claim 10, characterized in that: The avoidance groove is arranged on the upper side wall of the socket, the upper cover assembly is provided with a mounting boss, and the air outlet transfer pipe is arranged on the mounting boss. When the humidifier tank is plugged into the host, the upper surface of the mounting boss is flush with the upper surface of the socket or forms an arc surface together.

12. The ventilator according to claim 10, characterized in that: The upper cover assembly includes a cover body and an unlocking member floatingly mounted on the cover body, the cover body is used to cover the water storage chamber, the unlocking member has a snap-fitting portion, the inner wall of the socket is provided with a mating portion that is snap-fitted with the snap-fitting portion, and the unlocking member can move to disengage the snap-fitting portion from the mating portion.

13. The ventilator according to claim 12, characterized in that: The unlocking member includes an operating panel and an elastic rib located below the operating panel, wherein the elastic rib has a fixed end fixed to the operating panel and a free end extending obliquely toward the clamping portion, and the free end can swing around the fixed end to make the operating panel float up and down.

14. The ventilator according to claim 13, characterized in that The cover body is provided with an installation sink, the installation sink is provided with a positioning protrusion, the elastic rib is provided with a positioning port cooperating with the positioning protrusion, the installation sink is also provided with a guide slot located on both sides of the elastic rib, and the guide slot can cooperate with the two ends of the elastic rib to guide the installation of the unlocking piece.

15. The ventilator according to claim 1, characterized in that The humidifier tank has a water storage cavity, and is also provided with an air inlet, to which an air inlet pipe is plugged, and the air inlet pipe extends into the water storage cavity and extends downwardly tilted or bent, and the airflow in the host enters the water storage cavity through the air inlet pipe, contacts with the liquid in the water storage cavity and is humidified, and then flows out through the air outlet transfer pipe.

16. The ventilator according to claim 15, characterized in that The main unit has an air outlet pipe inside, the outer periphery of the air inlet has air inlet ribs extending toward the main unit, the air inlet ribs form a docking channel, the air outlet pipe and the air inlet ribs are plugged together, a seal is provided between the air outlet pipe and the air inlet ribs, the seal is respectively abutted and sealed against the air outlet pipe and the air inlet ribs in the radial direction of the air outlet pipe.

17. The ventilator according to claim 16, characterized in that The air outlet pipe extends into the docking channel, the sealing member is sleeved on the outer peripheral side of the air outlet pipe and has a sealing lip protruding radially outward along the air outlet pipe, and the sealing lip abuts and seals against the inner wall of the air inlet rib.

Images