CN215537439U - Ventilation assembly and ventilation device - Google Patents

Abstract

The application discloses a vent assembly and a vent device. The vent assembly includes: the locking device comprises a shell and a locking component, wherein the top of the shell is provided with an assembling port, and the side edge of the shell is provided with a notch; the lock catch component and the shell form elastic pin joint assembly, the lock catch component comprises a hand catch plate and a clamping hook which are in elastic fit, the hand catch plate extends out of the assembly opening, when the hand catch plate resets relative to the shell, the clamping hook is exposed on the inner side of the notch to enable the lock catch component to be in a lock catch state, and when the hand catch plate is pulled relative to the shell, the clamping hook moves towards the bottom of the shell and leaves the notch to enable the lock catch component to be in an unlocking state. In this way, this application can be with realizing the subassembly of ventilating for breather's demountable installation, reliable and stable, convenient operation.

Description

Ventilation assembly and ventilation device

Technical Field

The present application relates to the field of medical device technology, and more particularly, to a vent assembly and a vent apparatus.

Background

In the existing medical apparatus, such as an anesthetic breathing apparatus or a breathing machine, a pipeline assembly is needed for gas delivery to assist in delivering anesthetic or oxygen into a patient, but the existing pipeline assembly for gas delivery is generally complex in structure and inconvenient for frequent disassembly or assembly.

SUMMERY OF THE UTILITY MODEL

The present application generally provides a vent assembly and a vent device that can assist in the assembly and securement of the vent assembly relative to the vent device.

To solve the above technical problem, a first aspect of the present application provides a vent assembly, including: the top of the shell is provided with an assembly port, and the side edge of the shell is provided with a notch; the lock catch component is assembled with the shell in an elastic pivot mode, the lock catch component comprises a catch plate and a clamping hook which are matched with each other in an elastic mode, the catch plate extends out of the assembly opening and is opposite to the shell, when the shell resets, the clamping hook is exposed to the inner side of the notch, so that the lock catch component is in a lock catch state, when the catch plate is opposite to the shell, the clamping hook faces to the bottom of the shell and moves away from the notch, and the lock catch component is in an unlocking state.

In order to solve the above technical problem, a second aspect of the present application provides an air vent device, including: the main machine body is provided with a ventilation assembly assembling groove, and a clamping column is arranged in the ventilation assembly assembling groove; in the ventilation assembly provided by the first aspect, the ventilation assembly is fastened to the fastening column through the hook, and the fastening is released when the fastening plate is pulled up relative to the housing.

The beneficial effect of this application is: different from the situation of the prior art, the top of the shell is provided with the assembly opening, the side edge of the shell is provided with the notch, the locking component and the shell form elastic pin joint assembly, the handle buckling plate of the locking component is elastically matched with the clamping hook, the handle buckling plate extends out of the assembly opening, and when the handle buckling plate resets relative to the shell, the clamping hook is exposed on the inner side of the notch, so that the locking component is in a locking state and can be matched and assembled with the ventilation device, and the ventilation component is fixed on the ventilation device, so that the ventilation device is stable and reliable; when the handle plate is pulled up relative to the shell, the clamping hook moves towards the bottom of the shell and leaves the notch to enable the locking component to be in an unlocking state, so that the ventilation component can be detached, and the operation is convenient.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the ventilator of the present application;

FIG. 2 is an exploded view of an embodiment of the vent assembly of the present application;

FIG. 3 is a schematic structural view of an embodiment of the housing of the present application;

FIG. 4 is an exploded schematic view of an embodiment of the conduit assembly of the present application;

FIG. 5 is an exploded schematic view of another embodiment of the vent assembly of the present application;

FIG. 6 is a partial schematic view of an embodiment of the venting device of FIG. 1 of the present application;

FIG. 7 is a schematic structural view of an embodiment of a thermally conductive member of the present application;

FIG. 8 is a partial schematic view of an embodiment of the vent assembly of FIG. 5 of the present application;

FIG. 9 is a schematic structural view of an embodiment of a heating tube of the present application;

FIG. 10 is a schematic structural diagram of an embodiment of the pipe coupling of the present application;

FIG. 11 is a schematic structural view of an embodiment of the vent base of the present application;

FIG. 12 is a schematic view of the overall structure of an embodiment of the vent assembly of the present application;

FIG. 13 is a schematic structural view of another embodiment of the housing of the present application;

FIG. 14 is a schematic view of an embodiment of the locking assembly of the present application in a locked position;

FIG. 15 is a schematic view of an embodiment of the locking assembly of the present application in an unlocked state;

FIG. 16 is a schematic structural view of an embodiment of a latch assembly of the present application;

FIG. 17 is a schematic structural view of yet another embodiment of the housing of the present application;

FIG. 18 is a schematic structural view illustrating an embodiment of a latch assembly of the present application in a relative assembled relationship with a housing.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an aeration device according to the present application. The ventilating device 10 comprises a main body 11 and a ventilating assembly 12, wherein the main body 11 is provided with a ventilating assembly assembling groove 111, the ventilating assembly 12 is matched with the ventilating assembly assembling groove 111, and the ventilating assembly 12 can be embedded and assembled in the ventilating assembly assembling groove 111, so that the ventilating assembly 12 and the main body 11 form a detachable assembly. The ventilator 10 is a device for performing ventilation, such as a ventilator.

Wherein, the main body 11 includes: the first and second main surfaces 101 and 102 are oppositely arranged, the top and bottom surfaces 103 and 104 are oppositely arranged, and the first and second side surfaces 105 and 106 are oppositely arranged, and for the reason of viewing angle, only the first main surface 101, the top surface 103 and the first side surface 105 are visible in the figure, and the second main surface 102, the bottom surface 104 and the second side surface 106 are not visible. A vent assembly mounting groove 111 is concavely formed in the adjoining areas of the top surface 103 and the first side surface 105 for mounting the vent assembly 12. The above-mentioned first main surface 101 and second main surface 102, the oppositely disposed top surface 103 and bottom surface 104, and the oppositely disposed first side surface 105 and second side surface 106 are only divided from the spatial position where they are located, and are not meant to be separated from each other, for example, the first main surface 101 may be integrally formed with the first side surface 105, and the second main surface 102 may be integrally formed with the second side surface 106.

In a possible embodiment, the venting device 10 further includes an exhaust seat 14, an exhaust passage is formed in the exhaust seat 14, an insertion passage 112 is formed by the main body 11 penetrating from the first main surface 101 to the vent assembly mounting groove 111, the insertion passage 112 is used for mounting the exhaust seat 14, the vent assembly 12 is matched with the vent assembly mounting groove 111, the exhaust seat 14 is matched with the insertion passage 112, the detachable mounting of the exhaust seat 14 and the main body 11 is realized, the detachable mounting of the vent assembly 12 and the main body 11 is realized, and the vent assembly 12 is communicated with the exhaust passage of the exhaust seat 14 after the assembly of the exhaust seat 14 and the vent assembly 12 is completed.

The ventilation device 10 further includes another ventilation assembly 16, the main body 11 is provided with a hanging groove for hanging the other ventilation assembly 16 in the ventilation assembly mounting groove 111, and the other ventilation assembly 16 is hung in the hanging groove and inserted into the ventilation assembly mounting groove 111.

In a possible embodiment, the vent assembly 12 and the further vent assembly 16 may be made of a high temperature resistant material for high temperature sterilization.

Referring to fig. 2, fig. 2 is an exploded view of an embodiment of the vent assembly of the present application. The vent assembly 12 is, for example, an exhalation valve assembly, the vent assembly 12 including: the air pipe assembly 22 comprises an air pipe 221, a heating pipe 222 and a pipe joint 223, the air pipe 221 comprises an input cylinder 311, an inner cylinder (not shown), an outer cylinder 312 and an output cylinder 313, the inner cylinder is axially connected with the input cylinder 311, the outer cylinder 312 is connected to the periphery of the inner cylinder, the output cylinder 313 is radially communicated with the outer cylinder 312, the outer cylinder 312 is used for connecting a PEEP valve diaphragm 23, a valve core 230 matched with the inner cylinder is arranged in the PEEP valve diaphragm 23, the valve core 230 can axially move under the control of a voice coil motor to further close or open the inner cylinder, a first end of the heating pipe 222 is in butt joint with the input cylinder 311, and the pipe joint 223 is in butt joint with a second end of the heating pipe 222 to carry out gas conveying through the pipe assembly 22. Wherein, casing 21 wraps in heating pipe 222 and breather pipe 221 periphery, and pipe joint 223 passes casing 21 and the second end butt joint of heating pipe 222 to with pipe assembly 22 nestification assembly in casing 21, realize the independent assembly of pipe assembly 22, make this pipe assembly 22 can be dismantled, be convenient for carry out operations such as soaking disinfection to it.

In a possible embodiment, with continued reference to fig. 2, the housing 21 may be an integrally formed housing. Or, the housing 21 is formed by assembling at least two sub-housings, specifically, the at least two sub-housings are assembled from left to right, up and down, or front to back. For example, the housing 21 shown in fig. 2 of the present embodiment is formed by splicing a plurality of sub-housings.

The housing 21 may include a top plate 211, an inner plate 212, an outer plate 213, a first side plate 214, and a second side plate 215, wherein the top plate 211, the outer plate 213, and the second side plate 215 are all visible surfaces in fig. 2, and neither the inner plate 212 nor the first side plate 214 is visible due to the view angle. The inner plate 212, the outer plate 213, the first side plate 214 and the second side plate 215 are all connected with the top plate 211, the inner plate 212 and the outer plate 213 are arranged oppositely, and the first side plate 214 and the second side plate 215 are arranged oppositely.

In a possible embodiment, the inner plate 212 may be provided in a U-arc shape.

Therein, the inner plate 212 is provided with a first through hole (which is not visible in the drawing due to the view angle) for exposing the inner and outer cylinders 312 so that the inner and outer cylinders 312 can be fitted with the PEEP valve diaphragm 23.

The outer plate 213 may further have a third through hole 216, and the third through hole 216 is used for inserting a pipe joint 223, so that the ventilation assembly 12 can be connected to other gas transmission pipes through the pipe joint 223.

In one embodiment, the side surface of the housing 21 is provided with a guide rail or a guide groove for assisting alignment assembly, the ventilation assembly groove 111 is provided with a guide structure at a corresponding position to match with the guide rail or the guide groove on the housing 21, and when the ventilation assembly 12 is assembled on the ventilation device 10, the side surface of the housing 21 is matched with the side wall of the ventilation assembly groove 111, so that the guide rail or the guide groove arranged on the side surface of the housing 21 is matched with the guide structure arranged on the ventilation assembly groove 111 for installation and guidance. If the side surface of the housing 21 is provided with a guide rail, the guide structure provided on the side wall of the ventilation assembly mounting groove 111 is a guide groove, and if the side surface of the housing 21 is provided with a guide groove, the guide structure provided on the side wall of the ventilation assembly mounting groove 111 is a guide rail.

For example, referring to fig. 3 and fig. 6 in combination, fig. 3 is a schematic structural diagram of an embodiment of a housing, and fig. 6 is a partial schematic diagram of an embodiment of the ventilation device shown in fig. 1 of the present application. The side surface of the housing 21 is provided with a guide groove 231, the side wall of the vent assembly mounting groove 111 is provided with a guide rail 232, and when the vent assembly 12 is mounted on the vent device 10, the guide groove 231 and the guide rail 232 can be used for installation and guide. Conversely, a guide groove may be formed in the side wall of the ventilation assembly mounting groove 111, and a guide rail matching the guide groove may be provided on the side surface of the housing 21, which also serves as a guide when the ventilation assembly 12 is mounted on the ventilation device 10.

Wherein, the guide rail or guide groove on the housing 21 can be provided on the first side plate 214 or the second side plate 215, and the ventilation assembly assembling groove 111 is provided with the guide rail or guide rail at the position corresponding to the guide rail or guide groove on the housing 21 so as to match with the guide rail or guide groove on the housing 21. Alternatively, a guide groove or a guide rail may be provided on the first side plate 214 of the housing 21, a guide groove or a guide rail may be provided on the second side plate 215, a guide structure may be provided at a position where the ventilation assembly mounting groove 111 corresponds to the guide groove or the guide rail of the first side plate 214, and a guide structure may be provided at a position where the ventilation assembly mounting groove 111 corresponds to the guide groove or the guide rail of the second side plate 215, so that both the first side plate 214 and the second side plate 215 of the housing 21 can play a role in guiding and fitting when the ventilation assembly 12 is mounted on the ventilation device 10.

Wherein a guide rail or channel may be provided near the bottom edge of the first side plate 214 and/or the second side plate 215, and the side wall of the vent assembly mounting slot 111 may also be provided with a guide structure near the bottom to assist in installation.

In one embodiment, the guide rail or groove extends horizontally, i.e., the guide rail or groove on the housing 21 extends horizontally to guide the vent assembly 12 during horizontal insertion relative to the vent assembly mounting slot 111. For example, with continued reference to fig. 3 and fig. 6, the first side plate 214 and the second side plate 215 of the housing 21 are both provided with a guide groove 231, and the guide groove 231 is both disposed along the horizontal direction, and both side walls of the ventilation assembly mounting groove 111 are both provided with a guide rail 232, and the guide rail 232 is also disposed along the horizontal direction, when the ventilation assembly 12 is inserted in the horizontal direction relative to the ventilation assembly mounting groove 111, the first side plate 214 and the second side plate 215 are respectively engaged with both side walls of the ventilation assembly mounting groove 111, so that the guide groove 231 and the guide rail 232 are engaged to guide in the horizontal direction, thereby facilitating the assembly.

In other embodiments, the guide rail or groove may extend in a vertical direction, i.e., the guide rail or groove on the housing 21 extends in a vertical direction to provide a guiding function when the vent assembly 12 is vertically inserted with respect to the vent assembly mounting groove 111.

Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of the pipe assembly shown in fig. 2 according to the present application. The duct assembly 22 includes a vent pipe 221, a heating pipe 222, and a duct joint 223, the vent pipe 221 includes an input tube 311, an inner tube (not shown), an outer tube 312, and an output tube 313, the inner tube is axially connected to the input tube 311, the outer tube 312 is connected to the outer circumference of the inner tube, and the output tube 313 is radially communicated with the outer tube 312. Wherein, the periphery of the input cylinder 311 is radially connected with an air pressure detecting joint 314, the air pressure detecting joint 314 is communicated with the input cylinder 311, and the heating pipe 222 is provided with an axial notch 224 to avoid the air pressure detecting joint 314 when being butted with the input cylinder 311.

Alternatively, a support column (not shown) is radially connected to the outer periphery of the input cylinder 311, and when the heating pipe 222 is butted with the input cylinder 311, the axial notch 224 is used for avoiding the support column; alternatively, the outer circumference of the input cylinder 311 is radially connected with an air pressure detecting joint 314 and a support column, and when the heating pipe 222 is butted with the input cylinder 311, the axial groove 224 is used for avoiding the air pressure detecting joint 314 and the support column.

The outer cylinder 312 may further have an adapter 315 at an outer periphery thereof, the adapter 315 may be connected to the air pressure detecting connector 314 through a pressure pipe, the inner plate 212 of the housing 21 further has a second through hole, the second through hole is used for exposing the adapter 315, and the adapter 315 is used for receiving the air pressure detecting plug 18 protruding from the air vent assembly groove 111 to insert when the air vent assembly 12 is inserted into the air vent assembly groove 111. Specifically, referring to fig. 6, the air pressure detecting plug 18 protruding from the wall surface is disposed on the inner wall of the air vent assembly groove 111, and when the air vent assembly 12 is inserted into the air vent assembly groove 111, the air pressure detecting plug 18 is inserted into the adapter 315, and the air pressure of the air vent pipe 221 can be detected through the pressure pipe connected between the adapter 315 and the air pressure detecting adapter 314.

The input cylinder 311 is further provided with a constraining member 40, and the constraining member 40 is used for constraining the position of the pressure guide pipe connected with the air pressure detection joint 314. Specifically, the pressure detecting joint 314 is used for connecting a pressure guiding pipe for air pressure detection, and after the pressure guiding pipe is connected to the pressure detecting joint 314, the position of the restraining element 40 can be fixed by winding or the like. The constraining member 40 may specifically include a constraining ring 41 having a through hole for passing a pressure pipe, and the pressure pipe is fixed to the constraining ring 41 by passing through and winding.

In an embodiment, the heating pipe 222 may be a metal pipe, which has good heat conductivity, and can increase the temperature of the pipe assembly 22 by heating the heating pipe 222, so that when the pipe assembly 22 delivers the exhaled air of the user, condensed water is not easily generated in the pipe. In an embodiment, please refer to fig. 1 and 5 in combination, and fig. 5 is a schematic structural diagram of another embodiment of the vent assembly of the present application. The ventilation assembly 12 is further provided with a heat conducting member 25, the heat conducting member 25 is arranged in heat conduction fit with the heating pipe 222, the heating body 13 can be arranged in the ventilation assembly assembling groove 111, and when the ventilation assembly 12 is inserted into the ventilation assembly assembling groove 111, the heat conducting member 25 is in heat conduction fit with the heating body 13. Therefore, the heating element 13 can generate heat, and the heat conducting element 25 conducts the heat of the heating element 13 to the heating pipe 222, so that the temperature of the pipe wall of the heating pipe 222 is increased, the temperature difference between the pipe and the exhaled gas of the user is reduced or eliminated, and the generation of condensed water in the pipe is avoided.

Referring to fig. 6, the heating elements 13 are respectively mounted on both sides of the ventilation assembly mounting groove 111, and the heat conducting members 25 are respectively mounted on both sides of the heating pipe 222, so that the heating pipe 222 can be heated on both sides, and thus the heating is more uniform and complete. The ventilating device 10 may further include an elastic member 15, and the elastic member 15 is disposed around the heating element 13 such that the elastic member 15 is compressed when the ventilating assembly 12 is inserted into the ventilating assembly mounting groove 111. On one hand, the heating body 13 and the heat conducting piece 25 can be elastically attached to each other, so that the heat conduction effect is improved; on the other hand, the vent module 12 is elastically engaged with the side wall of the vent module mounting groove 111, so that the vent module 12 is fixed in the vent module mounting groove 111, and is not easily loosened, and is not easily shaken to generate noise when the breather apparatus 10 is moved.

The heating element 13 may be a metal sheet, and the elastic member 15 is a silicone pad provided around the heating element 13. The metal is a good conductor of heat, has good heat conductivity, and can endure high temperature, and this embodiment uses the metal sheet as the heat-generating body 13, and the heating effect is good. The silica gel has excellent high temperature resistance, and is not easy to change the performance or the shape when being heated.

The heating unit 13 may be connected to a heating module inside the ventilation assembly 12 through a connection wire, and the heating module operates to generate heat, and a circuit connection manner thereof is not shown in the figure.

With reference to fig. 5, the first side plate 214 and the second side plate 215 of the housing 21 are planar and have a window 217, so that the window 217 is used to mount the heat conducting element 25.

Referring to fig. 7, the heat conducting member 25 may include a connecting block 51, a heat absorbing plate 52 and a heat releasing plate 53, wherein the heat absorbing plate 52 is planar, the heat releasing plate 53 is arc-planar, and the heat absorbing plate 52 and the heat releasing plate 53 are connected to two sides of the connecting block 51, and after the vent assembly 12 is assembled in the vent assembly assembling groove 111 through the heat conducting member 25, the heat absorbing plate 52 absorbs heat and transfers the heat to the heating pipe 222 through the connecting block 51 and the heat releasing plate 53.

Wherein the heat-conducting member 25 includes a heat-releasing inner surface 54 and a heat-absorbing outer surface 55, the heat-releasing inner surface 54 being visible and the heat-absorbing outer surface 55 being invisible due to the view angle. The heat releasing inner surface 54 is disposed on the heat releasing plate 53, the heat absorbing outer surface 55 is disposed on the heat absorbing plate 52, after the heat conducting member 25 is assembled, the heat releasing inner surface 54 is disposed in the casing 21 and closely attached to the outer wall of the heating pipe 222, when the vent assembly 12 is assembled in the vent assembly assembling groove 111, the heat absorbing outer surface 55 is disposed outside the casing 21 and elastically closely attached to the heating element 13, so that the heat conducting member 25 is fixed to the heating pipe 222, and the heating element 13 can heat the heating pipe 222 through the heat conducting member 25.

A groove 56 is formed between the heat absorbing outer surface 55 and the heat releasing inner surface 54, when the ventilation assembly 12 is assembled in the ventilation assembly assembling groove 111, a part of the shell around the window 217 is clamped in the groove 56, so that the heat conducting piece 25 and the shell 21 are relatively fixed, the shell 21 can be fixed through the elastic close contact of the heat conducting piece 25 and the heating body 13 and the relative fixed relation of the heat conducting piece 25 and the shell 21, and the ventilation assembly 12 is prevented from shaking when the ventilation device 10 is moved, so that noise is generated or the ventilation assembly assembling groove 111 is loosened.

Wherein, the cross section of the heating pipe 222 may be circular, the heat releasing inner surface 54 of the heat conducting member 25 is an arc surface matched and attached with the heating pipe 222, so that the heat releasing inner surface 54 is completely attached with the heating pipe 222, the heat conduction effect is improved, and, when the ventilation assembly 12 is assembled in the ventilation assembly assembling groove 111, the heating pipe 222 and the heat conducting member 25 are better fixed, so that the ventilation assembly 12 is better fixed in the ventilation assembly assembling groove 111.

Wherein, the heat absorbing outer surface 55 is a plane matched and attached with the heating body 13, so that the heat conducting piece 25 is completely attached with the heating body 13, and the heat conducting effect is improved.

In a possible embodiment, referring to fig. 5 and 7, the heating tube 222 is provided with a blind hole 33, the heat-conducting member 25 is provided with a fixing hole 57 corresponding to the blind hole 33, and the heat-conducting member 25 can be detachably fixed to the heating tube 222 through the blind hole 33 and the fixing hole 57 to prevent the heat-conducting member 25 from loosening.

Wherein the fixing hole 57 provided in the heat conductive member 25 penetrates the heat releasing inner surface 54 and the heat absorbing outer surface 55. In an embodiment, each heat-conducting member 25 is provided with two fixing holes 57, and two blind holes 33 are respectively formed on two side edges of the heating pipe 222.

Referring to fig. 7 and 8 in combination, fig. 8 is a partial schematic view of the vent assembly of fig. 5 according to an embodiment of the present application. The periphery of windowing 217 is equipped with first assembly step 220, and heat-conducting member 25 is equipped with the second assembly step 58 that matches with first assembly step 220 to after heat-conducting member 25 assembles, heat-conducting member 25 forms the parallel and level assembly with casing 21, makes heat-conducting member 25 and casing 21 highly laminate, prevents that casing 21 from rocking.

In a possible embodiment, please refer to fig. 9, fig. 9 is a schematic structural diagram of an embodiment of a heating tube according to the present application. The heating tube 222 is provided with an inner annular land 225 to limit the insertion depth of the tube connector 223. The inner diameter of the inner annular step 225 is set to be smaller than the outer diameter of the connection end of the pipe joint 223 so that the connection end of the pipe joint 223 abuts against the inner annular step 225 in the heating pipe 222 to limit the insertion depth of the pipe joint 223 when the pipe joint 223 is mounted in abutment with the heating pipe 222.

Referring to fig. 10, fig. 10 is a schematic structural diagram of an embodiment of a pipe joint according to the present application. The pipe joint 223 may include a straight tube portion 61 and an inclined bent portion 62, the straight tube portion 61 is in butt joint with the heating pipe, the inclined bent portion 62 is far away from the heating pipe 222, and the inclined bent portion 62 may be disposed downward to prevent an exposed end portion of the pipe joint 223 from falling into impurities such as dust. Wherein, the ventilation assembly 12 may further include a sealing ring (not shown), and one end of the pipe joint 223 connected to the heating pipe 222 may be provided with a sealing ring installation groove 63 for sleeving the sealing ring, so as to enhance the sealing performance of the joint of the pipe joint 223 and the heating pipe 222.

With continued reference to fig. 2, the ventilation assembly 12 may further include a base 24, a ventilation tube 221 disposed on the base 24 to form a ventilation seat, an output cylinder 313 flush with or protruding from the base 24 to serve as an exhalation port, a housing 21 covering the heating tube 222 and the ventilation seat and assembled with the base 24, and a tube connector 223 passing through the housing 21 and abutting against the second end of the heating tube 222. Wherein the air pipe 221 and the base 24 may be integrally formed.

Referring to fig. 11, fig. 11 is a schematic structural diagram of an embodiment of the ventilation base of the present application. The ventilation seat 32 comprises a base 24 and a ventilation pipe 221, the ventilation pipe 221 is arranged on the base 24, the base 24 can be provided with a liquid leakage hole 34, the liquid leakage hole 34 is used for facilitating liquid to flow out when the cleaning and drying are carried out, liquid accumulation is avoided or reduced, and the drying effect is better.

In one embodiment, the base 24 is placed on a horizontal bearing surface, and the base 24 has at least three bearing points to make the ventilation seat 32 stably support. For example, the base 24 may have three bearing points A, B, C, so that the base 24 may be stably supported by the bearing points A, B, C, and a plurality of bearing points more than 3 may be further disposed on the base 24 to support the base 24 more stably, for example, edges where any two points are located may also be bearing edges, and all points included in the bearing edges may be bearing points. Wherein, at least three bearing points are not on the same straight line.

Wherein, the distances between the at least three bearing points and the axis of the air pipe 221 are different, and when the base 24 is supported by the at least three bearing points, the axis of the air pipe 221 is inclined relative to the horizontal plane. The concrete can be embodied as follows: when the base 24 is placed on a horizontal plane, the axis of the air pipe 221 is inclined upwards along the extending direction of the input cylinder 311 and inclined downwards along the extending direction of the outer cylinder 312 by being supported by at least three bearing points, so that after the air pipe seat 32 is subjected to immersion type disinfection, water drops or disinfectant in the air pipe 221 can be guided by the air pipe 221 and flow out from the output cylinder 313, and the water drops or disinfectant in the air pipe 221 can be discharged.

In one embodiment, when the air vent seat 32 is placed on a horizontal bearing surface, a depression (e.g., a region near point C in fig. 11) is formed in the base 24 near the output cylinder 313, and the drain hole 34 is opened in the depression of the base 24, so that the liquid, such as disinfectant or water, can be collected in the depression and discharged through the drain hole 34.

Wherein, the vertical distance between the bearing point on the base 24 and the axis of the air pipe 221 is different. The concrete can be embodied as follows: in the axial direction of breather pipe 221, the closer to the bearing point of output cylinder 313, the smaller the vertical distance from the axis of breather pipe 221, and the farther from the bearing point of output cylinder 313, the greater the vertical distance from the axis of breather pipe 221, and thus, a plurality of bearing points may be provided on base 24, so that when breather seat 32 is placed on a horizontal bearing surface, one end of output cylinder 313 is inclined downward. The number of the bearing points and the arrangement positions of the bearing points are various, and are not limited too much. The axis of the air duct 221 of the present embodiment refers to: the axis of the input cylinder 311 or inner cylinder (not shown) or outer cylinder 312 is shown in phantom.

In one possible embodiment, the base 24 has four bearing points, including two far bearing points A, B near the input cylinder 311 and two near bearing points C, D near the outer cylinder 312, the distance between the far bearing point A, B and the axis of the snorkel 221 is greater than the distance between the near bearing point C, D and the axis of the snorkel 221, for example, the distance between the far bearing point A, B and the axis of the snorkel 221 may be 6 cm, and the distance between the near bearing point C, D and the axis of the snorkel 221 may be 5 cm, so that when the snorkel 32 is supported by the four bearing points A, B, C, D, the exhalation port is inclined downward relative to the horizontal bearing surface, and after the snorkel 32 is subjected to immersion sterilization, the snorkel 32 is placed horizontally for quick airing. When the base 24 is placed on a horizontal bearing surface, the exhalation port can be suspended, or one or more bearing points can be arranged on the exhalation port as a support.

The low-lying area of this embodiment is the area near bearing point C, D, can respectively set up a weep hole 34 in the area near bearing point C, D, and when the seat 32 of ventilating was placed the level and is dried, liquid was gathered low-lying area and was flowed out through weep hole 34. The weep holes may be formed in other manners, for example, 3 or more weep holes may be formed in the low-lying region of the base 24, or elongated holes may be formed between the bearing points C, D of the base 24 to reduce the dead angle of the accumulated liquid, so that the liquid flowing to the low-lying region may be discharged through the weep holes.

Here, in the present embodiment, the distance between each bearing point and the axis of snorkel 221 in the vertical direction (i.e., the height distance between the bearing point and the axis of snorkel 221) is taken as the distance between each bearing point and the axis of snorkel 221.

In one embodiment, the output cylinder 313 may be configured to protrude from the base 24, such that the exhalation port formed by the output cylinder 313 may form a snap-fit connection with other components. For example, referring to fig. 1, when the vent assembly 12 is assembled in the vent assembly assembling groove 111, the output cylinder 313 is matched with the air inlet of the exhaust seat 14, so that the output cylinder 313 is communicated with the exhaust passage of the exhaust seat 14, and the air can be exhausted through the output cylinder 313 and the exhaust seat 14. The output cylinder 313 of the present embodiment is engaged with and fixed to the intake port of the exhaust seat 14. It can be understood that, in the case that the output cylinder 313 protrudes from the base 24, when the base 24 is placed on a horizontal bearing surface, the call-out opening formed by the output cylinder 313 serves as a bearing point for supporting.

Referring to fig. 11 and 12 in combination, fig. 12 is a schematic view of an overall structure of an embodiment of the vent assembly of the present application. The base 24 may have a recessed area 321 recessed toward the vent pipe 221 to prevent the disinfectant or clean water from collecting on the lower surface of the base 24 after the air venting assembly 12 is subjected to water immersion disinfection, which may accelerate the airing of the air venting assembly 12.

The input cylinder 311 and the concave area 321 may be provided with a support column 35 for supporting the input cylinder 311. Support plates may also be provided between the air duct 221, the support post 35 and the base 24 to stabilize the air duct 221.

In an embodiment, when the housing 21 is placed on a horizontal bearing surface, the housing 21 has at least three bearing points, so that the housing 21 is stably supported. For example, the housing 21 shown in fig. 13 has three bearing points E, F, G, and when the housing 21 is placed on a horizontal bearing surface, the housing 21 is supported by E, F, G three bearing points, so that the housing 21 is placed smoothly. A greater number of bearing points may be disposed on the lower edge of the housing 21 to provide a more stable support for the housing 21, and the number of bearing points and the arrangement positions of the bearing points may be varied without being limited too much. Wherein, at least three bearing points are not on the same straight line.

Distances between the at least three bearing points and the axis of the air pipe 221 are different, and when the housing 21 is supported by the at least three bearing points, the axis of the air pipe 221 is inclined relative to the horizontal plane. The distance between the bearing point and the axis of the snorkel 221 is referred to as: the distance in the vertical direction between the bearing point and the axis of the breather pipe 221, that is, the height between the bearing point and the axis of the breather pipe 221. Specifically, after ventilation seat 32 is assembled to housing 21, when housing 21 is placed on a horizontal bearing surface, housing 21 is supported by at least three bearing points, and the closer to the bearing point of output cylinder 313 along the axial direction of ventilation pipe 221, the smaller the vertical distance from the axis of ventilation pipe 221, and the farther away from the bearing point of output cylinder 313, the larger the vertical distance from the axis of ventilation pipe 221, so that when ventilation assembly 12 is placed on a horizontal bearing surface, one end of output cylinder 313 is inclined downward, and after ventilation assembly 12 is sterilized in an immersion or shower manner, it is convenient to dry.

Casing 21 can set up the weeping hole to make things convenient for the liquid to flow out when the washing is dried, reduce the gathering volume of water or antiseptic solution inside subassembly 12 of ventilating for dry efficiency, save and dry the time.

In one embodiment, the drain hole may be opened in a low-lying area of the vent assembly 12, specifically, when the vent assembly 12 is placed on a horizontal bearing surface through a bearing point on the housing 21, a low-lying area is formed inside the vent assembly 12, and the liquid such as water or disinfectant is gathered to the low-lying area by gravity and may flow out through the drain hole opened in the low-lying area.

In one possible embodiment, the weep hole may be located on the housing 21 at a contact location where the base 24 fits. Taking the vent seat 32 in fig. 11 and the housing 21 in fig. 13 as examples, when the E, F, G position of the housing 21 is the bearing point, the vent assembly 12 forms a low-lying area at the positions G and C, and the liquid leakage hole can be opened near the bearing point G near the position assembled with the base 24, so that the liquid can flow out smoothly.

A plurality of bearing points can be arranged on the base 24 according to the rule, and the number of the bearing points and the arrangement positions of the bearing points have various modes, which are not limited too much.

In one possible embodiment, the housing 21 has four bearing points, including two far bearing points near the input cylinder 311 and two near bearing points near the outer cylinder 312, for example, E, F in fig. 13 is two far bearing points, G is one of the near bearing points, the bearing point G is disposed on the second side plate 215, and the other near bearing point H can be disposed on the first side plate 214. The distance between the long-distance bearing point and the axis of the ventilation pipe 221 is greater than the distance between the short-distance bearing point and the axis of the ventilation pipe 221, so that when the ventilation assembly 12 is supported by the four bearing points, the exhalation port is arranged in a downward inclined manner relative to the horizontal bearing surface, liquid in the pipeline can flow out conveniently, and liquid accumulation is avoided. Wherein, the extension length of the lower edge of the outer plate 213 is longer than the extension length of the lower edges of the first side plate 214 and the second side plate 215, the bearing point E, F is located at the lower edge of the outer plate 213, further, the lower edge of the outer plate 213 can be arranged in parallel, so that the lower edge of the outer plate 213 is used as a bearing edge, and the housing 21 can be placed more stably. In this embodiment, the low-lying areas are formed near the bearing point G, H, a leakage hole may be formed near G in the area near the contact position with the base 24, another leakage hole may be formed near H, and the two leakage holes operate simultaneously to flow out liquid, thereby reducing liquid accumulation. Still can set up the weeping hole simultaneously in low-lying regional casing 21 and base 24 relevant position, for example, set up the weeping hole near H, G and near C, D simultaneously, improve liquid discharge efficiency, reduce the hydrops dead angle, the quantity of weeping hole, shape and aperture size all can set up as required, for example the weeping hole can be square, shape such as circular, can set up the aperture great, the less weeping hole of quantity, also can set up the aperture less, the more weeping hole of quantity, in order to reach better flowing back effect. The liquid leakage holes are arranged in various ways, which are not listed here.

Referring to fig. 2, the ventilation assembly 12 further includes a locking assembly 27, the locking assembly 27 and the housing 21 form an elastic pivot assembly, the locking assembly 27 includes a handle plate 271 and a hook 272 that are elastically engaged, the top of the housing 21 is provided with an assembly opening (not shown), the side of the housing 21 is provided with a notch 219, the handle plate 271 extends out of the assembly opening, when the handle plate 271 is reset relative to the housing 21, the hook 272 is exposed to the inner side of the notch 219, so that the locking assembly 27 is in a locked state, and when the handle plate 271 is pulled relative to the housing 21, the hook 272 moves towards the bottom of the housing 21 and leaves the notch 219, so that the locking assembly 27 is in an unlocked state. Referring to fig. 14 and 15, fig. 14 shows a locked state, and fig. 15 shows an unlocked state.

Referring to fig. 6, the sidewall of the vent assembly groove 111 is provided with a latching post 17, and the hook 272 can be latched with the latching post 17 and released when the handle plate 271 is pulled up relative to the housing 21. Specifically, when the locking component 27 is in the locked state, the exposed portion of the hook 272 forms a snap fit with the locking post 17 to fix the ventilation component 12 to the ventilation component mounting groove 111, and the locking component 27 is in the unlocked state by pulling up the locking plate 271 relative to the housing 21, so that the ventilation component 12 and the locking post 17 are released from the snap fit, and the ventilation component 12 can move relative to the ventilation component mounting groove 111.

With reference to fig. 2, two sides of the housing 21 are respectively provided with a slot 219, and the slots 219 are respectively formed at the positions where the first side plate 214 and the second side plate 215 are connected to the inner plate 212. The top plate 211 may be formed with a recessed area 218, the recessed area 218 is used for receiving the handle plate 271, the mounting opening is formed in the recessed area 218, and the handle plate 271 can pass through the mounting opening and be received in the recessed area 218, such that the height of the handle plate 271 is lower than the top surface 103 of the main body 11, and the release of the ventilation assembly 12 from the ventilation assembly mounting groove 111 due to the accidental touch of the handle plate 271 is prevented.

Referring to fig. 16, fig. 16 is a schematic structural diagram of an embodiment of a latch assembly according to the present application.

The locking assembly 27 includes a handle plate 271, a hook 272 and a transmission member 273, the handle plate 271 is disposed in the recessed area 218, the hook 272 is disposed in the casing 21, and the handle plate 271 pushes the hook 272 to move through the transmission member 273 when being pulled, so that the locking assembly 27 is in the unlocking state shown in fig. 15.

In one embodiment, the transmission member 273 includes a pivoting lever 731 and a transmission block 732, wherein the transmission block 732 is disposed at an end of the pivoting lever 731, the pivoting lever 731 is pivotally connected to the first side plate 214 and the second side plate 215, the hook 272 is pivotally connected to the first side plate 214 and/or the second side plate 215, the hook 272 includes a transmission arm 721 and a locking arm 722, the transmission arm 721 is in abutting engagement with the transmission block 732, and the locking arm 722 is provided with an anti-falling back-off 723. When the handle plate 271 is pulled, the pivotal lever 731 rotates and drives the transmission block 732 to rotate counterclockwise around the pivotal lever 731, the transmission block 732 pushes the transmission arm 721, and the hook 272 rotates, so that the locking assembly 27 is in the unlocked state.

Referring to fig. 17, fig. 17 is a schematic structural diagram of a further embodiment of the housing of the present application. A hook 272 can be disposed at a position close to the first side plate 214 or the second side plate 215, so as to utilize one hook 272 to cooperate and fix with the buckling column 17; hooks 272 may be disposed adjacent to the first side plate 214 and the second side plate 215, so that the two hooks 272 respectively engage with the corresponding latching posts 17, so that the vent assembly 12 can be fixed in the vent assembly groove 111.

In an embodiment, the transmission arm 721 and the fastening arm 722 can be connected in an L-shape, and the first pivot hole 71 is disposed in the bending region of the transmission arm 721 and the fastening arm 722 to fix the hook 272 to the first side plate 214 and/or the second side plate 215 by using the pivot hole 73. Specifically, a second pivot hole 72 may be formed at a corresponding position of the first side plate 214 and/or the second side plate 215, and the first fixing member 73 is disposed through the first pivot hole 71 and the second pivot hole 72 to pivot the hook 272 with the first side plate 214 and/or the second side plate 215, wherein the first fixing member 73 may be a pin or a bolt, so that the first pivot hole 71 and the second pivot hole 72 can rotate coaxially. When the transmission block 732 pushes the transmission arm 721, the hook 272 can rotate clockwise around the first pivot hole 71, so that the anti-falling back-off 723 slides to the lower left side, and the locking assembly 27 is in an unlocked state.

In one embodiment, a third pivot hole 74 may be formed in the corresponding position of the first side plate 214 and the second side plate 215, and two ends of the pivot rod 731 pass through the third pivot hole 74; or, a third pivot hole 74 is formed at the opposite position of the first side plate 214 and the second side plate 215, a fourth pivot hole 75 is formed at the two ends of the pivot rod 731, and the second fixing element 76 is formed through the third pivot hole 74 and the fourth pivot hole 75 to pivot the pivot rod 731 with the first side plate 214 and the second side plate 215, wherein the second fixing element 76 may be a pin or a bolt, etc., so that the third pivot hole 74 and the fourth pivot hole 75 can rotate coaxially.

Referring to fig. 16 and 18, the inner surface of the handle plate 271 is connected with a curved connecting plate 274, the curved connecting plate 274 penetrates through the assembling hole 77 of the top plate 211, so that the handle plate 271 can be exposed and accommodated in the recessed area 218, the end of the curved connecting plate 274 is connected with a fixing plate 275, the fixing plate 275 is fixedly connected with the pivot rod 731, and when the handle plate 271 is pulled relative to the housing 21, the driving block 732 pushes the hook 272 to move towards the bottom of the housing 21 and leave the notch 219.

Referring to fig. 4, the constraining member 40 may further include a receiving groove 42, the receiving groove 42 is disposed at an outer periphery of the input cylinder 311 and/or the outer cylinder 312, and is used for receiving the locking element 27, and is specifically used for receiving the bending plate 274, and the pressure guiding pipe connected to the air pressure detecting connector 314 may extend along an outer side of the receiving groove 42 to be connected to the adapter 315, so that the receiving groove 42 separates the pressure guiding pipe from the bending plate 274 to prevent the pressure guiding pipe from being pressed when the bending plate 274 rotates downward.

The fixing plate 275 and the pivoting lever 731 can be fixedly connected by screws, and specifically, threaded holes can be formed in the fixing plate 275 and the pivoting lever 731, and the fixing plate 275 and the pivoting lever 731 are fixedly connected by screws passing through the threaded holes, so that when the handle plate 271 is pulled up relative to the housing 21, the pivoting lever 731 is driven to rotate counterclockwise around the shaft, and the driving block 732 is driven to rotate counterclockwise around the shaft of the pivoting lever 731, so as to drive the driving arm 721.

In one embodiment, the driving block 732 may have a fan-shaped block shape, such that the driving block 732 is not easily broken when pushing the driving arm 721. The driving block 732 may be designed as a square block or a polygonal block, etc.

With continued reference to fig. 18, the inner side of the housing 21 is further provided with a partition 26, the ventilation assembly 12 further includes a return spring 276 disposed between the partition 26 and the first side plate 214 and/or the second side plate 215, one end of the return spring 276 is connected to the transmission arm 721, the other end of the return spring 276 is connected to the partition 26, and the return spring 276 applies a pushing force to the transmission arm 721 to make the transmission block 732 abut against the inner surface of the top plate 211 to maintain a return state.

Specifically, a partition 26 may be provided on an inner surface of the first side plate 214 and/or the second side plate 215 for fixing the position of the return spring 276 to prevent the return spring 276 from being displaced. The transmission arm 721 may be provided with a first fixing hole 724, the partition plate 26 may be provided with a second fixing hole 261, one end of the return spring 276 may be abutted against the transmission arm 721 through the first fixing hole 724, and the other end of the return spring 276 may be abutted against the partition plate 26 through the second fixing hole 261. The first fixing hole 724 is opened at a position opposite to the position where the transmission arm 721 abuts against the transmission block 732, so that the return spring 276 can push the transmission block 732 by pushing the transmission arm 721, and the locking assembly 27 is in a locking state.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims (10)

1. A vent assembly, comprising:

the top of the shell is provided with an assembly port, and the side edge of the shell is provided with a notch;

the lock catch component is assembled with the shell in an elastic pivot mode, the lock catch component comprises a catch plate and a clamping hook which are matched with each other in an elastic mode, the catch plate extends out of the assembly opening and is opposite to the shell, when the shell resets, the clamping hook is exposed to the inner side of the notch, so that the lock catch component is in a lock catch state, when the catch plate is opposite to the shell, the clamping hook faces to the bottom of the shell and moves away from the notch, and the lock catch component is in an unlocking state.

2. The vent assembly according to claim 1, wherein the housing includes a top plate, an inner plate and an outer plate connected to the top plate and disposed opposite to each other, and a first side plate and a second side plate connected to the top plate and disposed opposite to each other, the assembly opening is opened in the top plate, and the notches are opened in positions where the first side plate and the second side plate are connected to the inner plate.

3. The vent assembly of claim 2, wherein the top panel defines a recessed area for receiving the handle panel, and wherein the mounting opening opens into the recessed area.

4. The vent assembly of claim 2, wherein the latch assembly further comprises a transmission member pivotally connected to the housing, the catch being moved by the transmission member when the latch plate is pulled.

5. The vent assembly according to claim 4, wherein the transmission member comprises a pivot rod and a transmission block disposed at an end of the pivot rod, and the pivot rod is pivotally connected to the first side plate and the second side plate; the clamping hook is pivoted with the first side plate and/or the second side plate and comprises a transmission arm and a clamping arm, wherein the transmission arm is in butt fit with the transmission block, and the clamping arm is provided with an anti-falling back buckle.

6. The vent assembly of claim 5, wherein the inner surface of the handle plate is connected to an elbow plate extending through the mounting opening, the end of the elbow plate is connected to a fixing plate fixedly connected to the pivot rod, and when the handle plate is pulled relative to the housing, the driving block pushes the hook to move toward the bottom of the housing and leave the notch.

7. The vent assembly of claim 5, wherein the drive block is sector block shaped.

8. The vent assembly of claim 5, wherein the actuator arm and the latch arm are connected in an L-shaped bent manner, and a first pivot hole is formed in a bent region of the actuator arm and the latch arm.

9. The vent assembly according to claim 5, wherein a partition is further disposed inside the housing, the vent assembly further comprising a return spring disposed between the partition and the first and/or second side plates, one end of the return spring being connected to the actuator arm, the other end of the return spring being connected to the partition, the return spring applying a pushing force to the actuator arm to urge the actuator block against the inner surface of the top plate to maintain a return state.

10. An aeration device, comprising:

the main machine body is provided with a ventilation assembly assembling groove, and a clamping column is arranged in the ventilation assembly assembling groove;

the vent assembly of any one of claims 1 to 9, wherein the vent assembly is snapped onto the snap post by the snap hook and is released from the snap when pulled relative to the housing by the snap handle.

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