CN217244248U - Hot air assembly and feeding bottle cleaning machine - Google Patents

Abstract

The utility model discloses a hot air assembly and a feeding bottle cleaning machine, wherein the hot air assembly comprises a shell and a heating element, a heating air channel and a ventilation air channel are arranged in the shell, one end of the ventilation air channel is communicated with the heating air channel, and the other end of the ventilation air channel is provided with a ventilation interface; at least one part of the heating element is arranged in the heating air duct, wherein at the joint of the ventilation air duct and the heating air duct, the bottom wall of the ventilation air duct is lower than the bottom wall of the heating air duct and is provided with an overflow port. According to the utility model discloses hot-blast subassembly, the diapire that will ventilate the wind channel in this hot-blast subassembly sets to the diapire that is less than hot-blast wind channel to set up the overflow mouth, the in-process towards heating the wind channel circulation, can improve the stability of heat-seal subassembly operation by the liquid that the ventilation interface enters into in the wind channel.

Description

Hot air assembly and feeding bottle cleaning machine

Technical Field

The utility model relates to a washing equipment technical field, in particular to hot-blast subassembly and feeding bottle cleaning machine that includes this hot-blast subassembly.

Background

Along with the rise of the national standard of living, the market demand of the mother and infant disinfection articles is more and more extensive. In the family of the newborn babies, the feeding bottle is indispensable, and in order to ensure the health of the babies, the feeding bottle needs to be cleaned and sterilized frequently, which undoubtedly increases the burden of life. In the related technology, for disinfection or drying of cleaned articles, hot air needs to be supplied into the washing cavity, and moisture in the washing cavity is taken away by the hot air, so that the purposes of drying and the like are achieved. The hot air assembly generally needs to utilize a heating element to heat the supplied air, but in the washing process of the milk bottle cleaning machine, washing water enters the hot air assembly through an opening communicated with the washing cavity of the hot air assembly, and the stable operation of the heating element is adversely affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot-blast subassembly, the diapire that will ventilate the wind channel in this hot-blast subassembly sets to be less than the diapire that adds the hot air duct to set up the overflow mouth, can improve the stability of heat-seal subassembly operation.

Another object of the utility model is to provide a feeding bottle cleaning machine with this hot-blast subassembly.

The hot air assembly comprises a shell and a heating element, wherein a heating air channel and a ventilation air channel are arranged in the shell, one end of the ventilation air channel is communicated with the heating air channel, and the other end of the ventilation air channel is provided with a ventilation interface; at least one part of the heating element is arranged in the heating air duct, wherein at the joint of the ventilation air duct and the heating air duct, the bottom wall of the ventilation air duct is lower than the bottom wall of the heating air duct and is provided with an overflow port.

According to the utility model discloses hot-blast subassembly, the diapire in the ventilation duct is set to the diapire that is less than heating duct in this hot-blast subassembly, and the overflow mouth has been set up, the in-process towards heating duct circulation is being gone into to the liquid that enters into in the ventilation duct by the ventilation interface, because the difference has between ventilation duct and the heating duct, can avoid liquid to enter into in the heating duct, and can conveniently enter into the liquid discharge in the ventilation duct through the overflow mouth, with further steady operation that avoids influencing heating element, can improve the stability of heat seal subassembly operation.

In addition, according to the hot air assembly of the above embodiment of the present invention, the following additional technical features may also be provided:

optionally, the bottom wall of the ventilation air duct extends gradually downwards in a direction from the ventilation interface to the heating air duct and extends to the overflow opening.

Optionally, a first blocking rib is arranged on the bottom wall of the heating air duct at the joint of the ventilation air duct and the heating air duct, and the bottom wall of one end of the ventilation air duct is lower than the first blocking rib, so that the overflow port is constructed below the first blocking rib.

Optionally, the first blocking rib is in an arc shape extending in a direction away from the heating air duct and gradually inclining upwards.

Optionally, a second rib is disposed on at least one of the top wall and the side wall of the one end of the ventilation air duct.

Optionally, the second rib is configured in a shape of gradually decreasing thickness in a direction toward the inner space of the ventilation air duct.

Optionally, the heating air duct extends in a horizontal direction, an opening of the ventilation interface faces, and the ventilation air duct is an arc-shaped channel.

Optionally, be equipped with first rib on the diapire of one end in ventilation wind channel, be equipped with on the diapire in heating wind channel and be close to the second rib of first rib, first rib with the second rib all downwardly extending, just construct between first rib with the second rib the overflow mouth.

Optionally, a first limiting rib and a second limiting rib are arranged in the heating air duct, and the heating element is limited between the first limiting rib and the second limiting rib.

According to the utility model discloses feeding bottle cleaning machine, including base and hot-blast subassembly, be equipped with the vent on the base, hot-blast subassembly is according to aforementioned hot-blast subassembly, the ventilation interface with the vent is put through mutually.

Drawings

Fig. 1 is a schematic view of a hot air assembly according to an embodiment of the present invention.

Fig. 2 is a partially enlarged schematic view of the area circled a in fig. 1.

Fig. 3 is a schematic view of a base of the baby bottle cleaning machine according to an embodiment of the present invention.

Reference numerals:

the hot air component 10, the housing 11, the heating element 12, the heating air duct 101, the ventilation air duct 102, the ventilation interface 103, the overflow port 104, the first blocking rib 111, the second blocking rib 112, the first rib 113, the second rib 114, the first limiting rib 115, the second limiting rib 116, the base 20, the seat body 21, the water path plate 22, the spray arm 23, the cover plate 24, the positioning rib 241, the baffle 25, the ventilation opening 201, the water collecting tank 202, the water outlet 203, the ventilation opening 204, and the notch 205.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, a hot air assembly 10 according to an embodiment of the present invention includes a housing 11 and a heating element 12, the housing 11 has a heating air duct 101 and a ventilation air duct 102 therein, one end of the ventilation air duct 102 is connected to the heating air duct 101, and the other end has a ventilation interface 103; at least a part of the heating element 12 is disposed in the heating air duct 101, wherein at the joint of the ventilation air duct 102 and the heating air duct 101, the bottom wall of the ventilation air duct 102 is lower than the bottom wall of the heating air duct 101 and is provided with an overflow port 104.

The ventilation air duct 102 may be an air inlet duct of the hot air assembly 10, or an air outlet duct of the ventilation air duct 102, that is, the air flow heated by the heating air duct 101 may be sent to the ventilation air duct 102 and sent to the cleaning device; the air flow in the cleaning device may be sent to the heating air duct 101, and sent to the cleaning device after being condensed and heated by the heating air duct 101. Of course, the hot air assembly 10 of the present invention may be provided in other configurations. When the hot air assembly 10 is operated, hot air can be provided for the cleaning device. When the hot air assembly 10 is not operated and the interior of the cleaning device is washed with liquid such as water, the liquid in the washing process splashes into the ventilation air duct 102, at least a part of the liquid entering the ventilation air duct 102 flows towards the heating air duct 101 along the bottom wall of the ventilation air duct 102, when the liquid flows to the joint of the ventilation air duct 102 and the heating air duct 101, the liquid is difficult to continue to flow towards the heating air duct 101 when the liquid flows to the joint of the ventilation air duct 102 and the heating air duct 101 due to the height drop between the bottom wall of the ventilation air duct 102 and the bottom wall of the heating air duct 101, and the overflow port 104 is further arranged at the position, so that the liquid is discharged out of the ventilation air duct 102 through the overflow port 104, and the liquid is prevented from entering the heating air duct 101 to influence the normal operation of the heating element 12.

According to the utility model discloses hot-blast subassembly 10, the diapire with ventilation duct 102 sets to be less than the diapire of heating duct 101 in this hot-blast subassembly 10, and overflow mouth 104 has been set up, the in-process towards heating duct 101 circulation of the liquid that enters into in ventilation duct 102 by ventilation interface 103, because the difference has between ventilation duct 102 and the heating duct 101, can avoid liquid to enter into in the heating duct 101, and can conveniently enter into the liquid discharge in the ventilation duct 102 through overflow mouth 104, with further avoiding influencing heating element 12's steady operation, can improve the stability of heat-seal subassembly operation.

The joint between the ventilation air duct 102 and the heating air duct 101 has a fall, and the bottom wall of the ventilation air duct 102 connected to one end of the heating air duct may be inclined downward to form the fall, or the bottom wall of the whole ventilation air duct 102 may be inclined downward gradually to form the fall, as shown in fig. 1, in some embodiments of the present invention, the bottom wall of the ventilation air duct 102 gradually extends downward in the direction from the ventilation interface 103 to the heating air duct 101, and extends to the overflow port 104. Thus, when liquid enters the ventilation air duct 102 from the ventilation interface 103, the liquid will gradually flow downwards under the guiding action of the bottom wall of the ventilation air duct 102 until the liquid is discharged from the overflow opening 104. Through the drainage effect of the bottom wall of the ventilation air duct 102, the liquid can stably flow to the overflow port 104, the splashing of the liquid in the ventilation channel, the injection of the heating air duct 101 under the action of kinetic energy and the like are avoided, the liquid can be further effectively prevented from entering the heating air duct 101, and the protection effect on the heating element 12 in the heating air duct 101 is improved.

In general, the liquid flow entering the hot air assembly 10 is relatively small, and effective water prevention of the heating element 12 can be realized through the height difference between the ventilation air duct 102 and the bottom wall of the heating air duct 101, and in extreme cases, when the liquid flow entering the hot air assembly 10 is relatively large, liquid splashing may occur, and the like, therefore, the present invention further provides a first blocking rib 111 to prevent the splashed liquid from entering the heating air duct 101, as shown in fig. 1, at the joint of the ventilation air duct 102 and the heating air duct 101, the bottom wall of the heating air duct 101 is provided with the first blocking rib 111, the first blocking rib 111 can extend in a direction away from the heating air duct 101, or extend toward the ventilation interface 103, so that the end bottom wall of the ventilation air duct 102 connected with the heating air duct 101 is lower than the first blocking rib 111, and in the process of the liquid flowing to the heating air duct 101, the first blocking rib 111 can block the liquid from splashing, so as to prevent the splashed liquid from entering the heating air duct 101. Moreover, the overflow port 104 may be disposed below the first rib 111, so that the liquid flowing to the joint of the heating air duct 101 and the ventilation air duct 102 can be quickly discharged, and the splashing problem caused by the accumulation of the liquid at the joint is avoided.

Wherein, can set up a plurality of overflow openings 104 in the junction of ventilation wind channel 102 and heating wind channel 101, also can set up a rectangular shape overflow opening 104 to improve the effect of drainage, avoid overflow opening 104 to be blockked up and lead to the unable overflow problem of liquid.

In order to further prevent the liquid from splashing into the heating air duct 101, the first blocking rib 111 may be arranged in a form of inclining towards a direction away from the bottom wall of the ventilation air duct 102, as shown in fig. 1, the first blocking rib 111 is connected with the bottom wall of the heating air duct 101 and extends towards a direction away from the heating air duct 101, and in the extending direction, the first blocking rib 111 is arranged in a form of inclining upwards gradually, and the first blocking rib 111 may be arranged in an arc shape in the air flow direction, so that the liquid can be further prevented from entering the heating air duct 101, and the waterproof effect of the heating element 12 in the hot air assembly 10 is effectively improved.

It should be further noted that, besides circulating along the bottom wall of the ventilation air duct 102, the liquid entering the ventilation air duct 102 may also be attached to the top wall or the side wall of the ventilation air duct 102 and circulate along the top wall or the side wall of the ventilation air duct 102, and therefore, this portion of liquid also needs to be isolated, as shown in fig. 2, in some embodiments of the present invention, the second blocking rib 112 is disposed on the top wall of the ventilation air duct 102, and the liquid circulating along the top wall of the ventilation air duct 102 is guided downwards by the blocking of the second blocking rib 112, so that the liquid is guided onto the bottom wall of the ventilation air duct 102 or is guided towards the overflow opening 104, which can further improve the waterproof effect. Of course, the second ribs 112 may be disposed on the side wall of the ventilation air duct 102. Wherein, the second rib 112 may be only arranged on the top wall of the ventilation air duct 102; the second ribs 112 may be provided only on the side walls of the ventilation air duct 102; second ribs 112 may also be provided on both the top and side walls of the ventilation air duct 102.

Preferably, the second rib 112 is disposed at the one end of the ventilation air duct 102, that is, the second rib 112 is disposed at the end of the ventilation air duct 102 connected to the heating air duct 101. So as to further achieve the aim of effective water resistance.

In addition, the second rib 112 itself may have a certain flow guiding effect, so as to further improve the flow guiding effect of the second rib 112. The second ribs 112 may be provided in a form of gradually decreasing in thickness, and specifically, in a direction toward the inner space of the ventilation air duct 102, the thickness of the second ribs 112 may be gradually decreased. The first side face, facing the ventilation interface 103, of the second blocking rib 112 can be set to be perpendicular to or inclined to the plane of the inner surface of the ventilation air duct 102, and the second side face, far away from the ventilation interface 103, of the second blocking rib 112 is set to be an inclined plane, that is, the second side face is a wedge-shaped face inclined relative to the first side face, so that the end portion, far away from the inner surface of the ventilation air duct 102, of the second blocking rib 112 can be set to be thin, adsorption of liquid is reduced, rapid flow guiding and drainage are achieved, and further water proofing is achieved.

As shown in fig. 1, in some embodiments of the present invention, the heating air duct 101 may be arranged to extend in a horizontal direction so as to reduce the space occupied by the heating air duct 101, improve the space utilization, and further improve the waterproof effect, and of course, the heating air duct 101 may also be arranged in a slightly inclined form, for example, the heating air duct 101 may be arranged to be inclined by 0 to 60 ° with respect to the horizontal plane (for example, inclined downward or upward in a direction away from the ventilation air duct 102). And the ventilation interface 103 may be provided in an open-faced manner to facilitate connection to a corresponding interface on the cleaning device. At this time, the ventilation interface 103 faces the heating air duct 101 horizontally, so the ventilation air duct 102 can be set to be an arc-shaped channel, so that water flow entering the ventilation air duct 102 can smoothly circulate, effective water resistance can be achieved, and air flow circulating through the hot air assembly 10 can also be conveniently and smoothly circulated.

In order to form the overflow port 104 conveniently, at the connection position of the ventilation air duct 102 and the heating air duct 101, the bottom wall of the end part of the ventilation air duct 102 is connected with a first rib 113, the bottom wall of the heating air duct 101 is connected with a second rib 114, the second rib 114 is close to the first rib 113, and the first rib 113 and the second rib 114 both extend downwards, so that the overflow port 104 can be formed between the first rib 113 and the second rib 114, and because the first rib 113 is connected to the end edge of the bottom wall of the ventilation air duct 102, water flow entering the ventilation air duct 102 can be conveniently and stably circulated, and further, the water resistance is realized.

In addition, for the convenience to heating element 12 location, the utility model discloses in set up location structure in hot air duct 101, location structure can be including relative first spacing muscle 115 that sets up, the spacing muscle 116 of second, first spacing muscle 115, position between the spacing muscle 116 of second can be used for installing heating element 12, thereby can be through first spacing muscle 115, the spacing muscle 116 of second comes to carry on spacingly to heating element 12, wherein first spacing muscle 115, at least one in the spacing muscle 116 of second can set to the annular of continuous extension, and like this, first spacing muscle 115, the spacing muscle 116 of second plays certain waterproof effect.

As described above, the present invention provides a hot air module 10, when the hot air module 10 is connected to the bottom of the cleaning device, if there is liquid such as water entering the hot air module 10 through the ventilation interface 103 (for example, water drops in the cleaning process, or water leakage occurs, etc.), the lower shell of the hot air module 10 is provided with a structure having a height difference (i.e., the height difference at the connection between the heating air duct 101 and the ventilation air duct 102), so as to avoid the liquid flowing to the heating element 12. The utility model provides a waterproof construction is with low costs, simple structure, can play waterproof effectively.

The heating element 12 of the present invention can be a PTC, a heating tube, etc.

In addition, the utility model also provides a feeding bottle cleaning machine can include base 20 and hot-blast subassembly 10, is equipped with vent 201 on the base 20, and hot-blast subassembly 10 is according to aforementioned hot-blast subassembly 10, and ventilation interface 103 communicates with vent 201.

According to the utility model discloses feeding bottle cleaning machine, owing to set up foretell hot-blast subassembly 10, when water in the base 20 entered into hot-blast subassembly 10 through vent 201, because the diapire with ventilation duct 102 sets to be less than the diapire with hot-blast duct 101 in this hot-blast subassembly 10, and overflow mouth 104 has been set up, the in-process towards heating duct 101 circulation of liquid that enters into ventilation duct 102 by ventilation interface 103, because have the drop between ventilation duct 102 and the heating duct 101, can avoid liquid to enter into in the heating duct 101, and can conveniently enter into the liquid discharge in the ventilation duct 102 through overflow mouth 104, in order further to avoid influencing the steady operation of heating element 12, can improve the stability of heat-seal subassembly operation.

In addition, the hot air assembly 10 of the present invention can be applied to other washing apparatuses such as a dishwasher.

As shown in fig. 3, the base 20 of the present invention may include a base body 21, a water collecting tank 202 and a water outlet 203 are provided on the base body 21, the water collecting tank 202 may be used for storing water, and water may be discharged to the spray arm 23 through the water outlet 203 for washing. The base 20 may further include a cover plate 24, the cover plate 24 covers the base body 21 and covers the water collecting tank 202 to form a cavity, the base body 21 is provided with a ventilation opening 201, the ventilation opening 201 is communicated with the cavity to ventilate the cavity and send out the air through the ventilation opening 204, so that the air can enter the cavity of the washing apparatus through the ventilation opening 201, and the drying effect is achieved. The cover plate 24 is provided with a vent 204 in communication with the cavity, the vent 204 being operable to vent air. In order to improve the air flow circulation efficiency, a plurality of air vents 204 can be arranged on the cover plate 24, and the air vents 204 are arranged at other positions on the surface of the cover plate 24, so that the air flow can circulate in the whole cleaning cavity to take away the moisture on the outer wall of the feeding bottle, and the drying effect is improved. Specifically, on the upper surface of the cover body, the vent 204 may be provided in a long strip shape to facilitate the spatial arrangement. Specifically, when the nursing bottle drying device is used, the hot air assembly 10 can be connected to the lower portion of the seat body 21, air flow generated by the hot air assembly 10 is sent out through the ventilation opening 201, and enters the cleaning cavity of the nursing bottle through the plurality of ventilation openings 204 in the cavity to dry the nursing bottle.

The base 20 also includes a waterway plate 22 and a spray arm 23. Specifically, the waterway plate 22 is disposed in the cavity, a water channel capable of connecting with the water outlet 203 is formed in the waterway plate 22, the spray arm 23 is connected with the waterway plate 22 and is communicated with the water channel, and the spray arm 23 penetrates through the cover plate 24. The cover plate 24 is also provided with a return opening, wherein the return opening can be used for draining. During operation, water is sprayed out from the spray arm 23 to wash articles, washing water can flow back to the cavity through the backflow port and is collected through the water collecting groove 202, so that the washing machine can be cleaned circularly and is beneficial to keeping the interior of the washing equipment clean.

Referring to fig. 3, the cover plate 24 is provided with a positioning rib 241, the positioning rib 241 protrudes from the upper surface of the cover plate 24, and the positioning rib 241 is adapted to cooperate with the spray arm 23 to position the feeding bottle such that the spray arm 23 and the at least one vent 204 communicate with the inner space of the feeding bottle. The positioning rib 241 can facilitate the placement of the feeding bottle. The positioning rib 241 is configured in an arc shape extending in a direction around the spray arm 23, the positioning rib 241 is configured in an annular strip and configured as the vent 204, it is possible to vent the inside of the baby bottle through the vent 204,

with reference to fig. 3, optionally, a gap 205 is formed on the circumferential surface of the cover plate 24, and a ventilation structure communicated with the cavity is configured between the cover plate 24 and the inner circumferential surface of the seat body 21. The gap 205 may serve as a vent and drain. During ventilation, steam can enter the cleaning cavity of the equipment from the notch 205 and the vent 204, so that the cleaning cavity is filled with the steam quickly, and the working efficiency is improved. During cleaning, the washing water can be discharged at the notch 205 to avoid water storage in the cleaning cavity, and the notch 205 is communicated with the cavity to enable the washing water to flow back to the cavity through the notch 205 and then be recycled to the water collecting tank 202.

With reference to fig. 3, the base further comprises: and the baffle 25 is connected with the annular rib and arranged around the annular rib, wherein the baffle 25 is higher than the inner bottom surface of the cavity, and/or the baffle 25 is not lower than the working water level on the seat body 21. Particularly, baffle 25 highly is higher than the operating water level on the pedestal 21, can play the effect of isolated water in air outlet department, prevents that the water in the pedestal 21 from getting into the air outlet, improves the security of feeding bottle cleaning machine operation. Specifically, with the water adsorptivity, the baffle 25 limits the water level fluctuation range near the air outlet position to near the height of the baffle 25, thereby preventing water from entering the blower port.

Furthermore, the terms "first", "second" and "first" 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 indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A hot air assembly, comprising:

the heating air duct comprises a shell (11), wherein a heating air duct (101) and a ventilation air duct (102) are arranged in the shell (11), one end of the ventilation air duct (102) is communicated with the heating air duct (101), and the other end of the ventilation air duct is provided with a ventilation interface (103);

a heating element (12), at least a part of the heating element (12) is arranged in the heating air duct (101),

wherein, at the joint of the ventilation air duct (102) and the heating air duct (101), the bottom wall of the ventilation air duct (102) is lower than the bottom wall of the heating air duct (101) and is provided with an overflow port (104).

2. The hot air assembly according to claim 1, characterized in that the bottom wall of the ventilation air duct (102) extends gradually downwards in the direction from the ventilation interface (103) to the heating air duct (101) and to the overflow opening (104).

3. The hot air assembly according to claim 2, wherein a first blocking rib (111) is arranged on a bottom wall of the heating air duct (101) at a joint of the ventilation air duct (102) and the heating air duct (101), and a bottom wall of the one end of the ventilation air duct (102) is lower than the first blocking rib (111), so that the overflow port (104) is formed below the first blocking rib (111).

4. The hot air assembly according to claim 3, wherein the first rib (111) has an arc shape extending in a direction away from the heating air duct (101) and gradually inclined upward.

5. The hot air assembly according to any one of claims 1 to 4, wherein at least one of the top wall and the side wall of the one end of the ventilation air duct (102) is provided with a second rib (112).

6. The hot air assembly according to claim 5, characterized in that the second rib (112) is configured in a shape of decreasing thickness in a direction towards the inner space of the ventilation air duct (102).

7. The hot air assembly according to any one of claims 1 to 4, characterized in that the heating air duct (101) extends in a horizontal direction, the opening of the ventilation interface (103) faces, and the ventilation air duct (102) presents an arc-shaped passage.

8. The hot air assembly according to any one of claims 1 to 4, wherein a first rib (113) is provided on a bottom wall of the one end of the ventilation air duct (102), a second rib (114) is provided on a bottom wall of the heating air duct (101) and is close to the first rib (113), the first rib (113) and the second rib (114) both extend downward, and the overflow port (104) is configured between the first rib (113) and the second rib (114).

9. The hot air assembly according to any one of claims 1 to 4, wherein a first limiting rib (115) and a second limiting rib (116) are arranged in the heating air duct (101), and the heating element (12) is limited between the first limiting rib (115) and the second limiting rib (116).

10. A baby bottle cleaning machine, characterized by comprising:

the air conditioner comprises a base (20), wherein a ventilation opening (201) is formed in the base (20);

a hot air assembly according to any one of claims 1 to 9, the ventilation interface (103) being in communication with the ventilation opening (201).

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