AIR DUCT, DRYING UNIT, BASE STATION AND CLEANING SYSTEM

Abstract

The embodiments of this utility model disclose an air duct, a drying assembly, a base station, and a cleaning system. The air duct comprises a first shell and a second shell; the first and second shells can be assembled to form a channel, and the channel can be used for air supply. The air duct further includes snap-fit ​​assemblies and fastening assemblies. In the air duct assembly process, the first and second shells can be snapped together and assembled initially using the snap-fit ​​assemblies. (Fig. 1)

Description

Title of the invention: AIR DUCT, DRYING ASSEMBLY, BASE STATION AND CLEANING SYSTEM technical field

[0001] The embodiments of the present utility model relate to the field of cleaning system technologies, and in particular, an air duct, a drying assembly, a base station and a cleaning system. PREVIOUS ART

[0002] Sweeping robots have been widely used in recent years. A base station for storing such a sweeping robot is generally equipped with an air duct to dry or dissipate heat from the robot, and the air duct must be assembled. In traditional technology, assembly is mainly carried out by fastening with screws; the assembly process is complicated, and it is difficult to achieve precise alignment at the initial stage of the assembly process, resulting in an increased assembly time for the air duct.

[0003] SUMMARY OF THE UTILITY MODEL

[0004] The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.

[0005] To this end, in a first aspect of the present utility model, an air duct is proposed.

[0006] In a second aspect of the present utility model, a drying assembly is proposed.

[0007] In a third aspect of the present utility model, a base station is proposed.

[0008] In a fourth aspect of the present utility model, a cleaning system is proposed.

[0009] For this purpose, according to the first aspect of the embodiments of the present utility model, an air duct comprises: - a first hull and a second hull, a channel being formed between the first hull and the second hull; - a first snap-fit ​​assembly, the first shell being snapped onto the second shell by means of the first snap-fit ​​assembly; and - a first set of fixings, the first shell being fixed to the second shell by means of the first set of fixings.

[0010] In one possible embodiment, the first snap-fit ​​assembly includes a locking hole and a locking block, one of the locking holes and locking block being disposed on the first shell and the other being disposed on the second shell, the locking block being adapted to snap into the locking hole.

[0011] In one possible embodiment, the locking block comprises: - a connector connected to the first shell or the second shell; - at least two locking columns connected to the connector, with a space reserved between two locking columns that are adjacent in their natural state; and - limiting parts arranged at the free ends of the locking columns.

[0012] In one possible embodiment, the air duct further includes a cable management component, the cable management component being disposed on the first shell and / or the second shell.

[0013] In one possible embodiment, the first snap-fit ​​assembly is plural; and / or the first fixing assembly is plural.

[0014] According to the second aspect of the embodiments of this utility model, a drying assembly is provided and comprises: - the air duct according to any technical solution above; and - a heating element disposed in the duct.

[0015] In one possible embodiment, the channel comprises a main channel and at least two secondary channels, where all the secondary channels are connected to the main channel, and the heating element is disposed in the main channel.

[0016] In one possible embodiment, a positioning hole is formed in the heating element, a positioning column is formed on the first shell and / or on the second shell, and the positioning column is adapted to be inserted into the positioning hole.

[0017] In one possible embodiment, the drying assembly further includes an air supply, where the air supply is connected to the first shell and / or the second shell, and an outlet end of the air supply faces the channel.

[0018] In one possible embodiment, part of the first snap-fit ​​assemblies passes through a third air supply shell.

[0019] According to the third aspect of the embodiments of this utility model, a base station is provided and comprises: - the drying assembly according to any technical solution above; and a base station body, the drying assembly being disposed in the base station body.

[0020] In one possible embodiment, the base station further comprises: - a functional device; - a second snap-fit ​​assembly, the functional device being snapped onto the base station body by means of the second snap-fit ​​assembly; and - a second fixing assembly, the functional device being fixed to the base station body by means of the second fixing assembly.

[0021] In one possible embodiment, the functional device includes at least one of the following elements: a water tank, a dust collection tray, a dust bag, a fan, a valve body, a motor and a pipeline.

[0022] In one possible embodiment, the base station body comprises: - a plurality of plate bodies; - a third snap-fit ​​assembly, the adjacent plate bodies being snapped together by means of the third snap-fit ​​assembly and assembled to form a base station shell; and - a third set of fixings, the adjacent plate bodies being fixed by means of the third set of fixings and assembled to form the base station shell.

[0023] According to the fourth aspect of the embodiments of this utility model, a cleaning system is proposed and comprises: - the base station according to any of the above technical solutions; and - a main body of cleaning equipment suitable for being stationed in the base station.

[0024] Compared to the prior art, the present utility model includes at least the following beneficial effects.

[0025] The air duct according to the embodiments of this utility model comprises the first shell and the second shell. The first and second shells can be assembled to form a channel, and the channel can be used for air supply. The air duct further comprises the first snap-fit ​​assemblies and the first fastening assemblies. In the air duct assembly process, the first and second shells can be snapped together and assembled initially using the first snap-fit ​​assemblies.In this case, the first snap-fit ​​assemblies can play a preliminary positioning role and simultaneously allow the first and second shells to be pre-connected. Then, the first and second shells can be permanently fixed using the first fixing assemblies, making the connection between the first and second shells more reliable. Thanks to the arrangement of the first snap-fit ​​assemblies, the assembly and positioning of the first and second shells can be facilitated, and during use, the first snap-fit ​​assemblies can also serve as auxiliary fixings, so that the number... the number of screws used can be reduced to improve the efficiency of the air duct assembly. Brief description of the drawings

[0026] Various other advantages and benefits will become clear to those with ordinary skills in the art upon reading the following detailed descriptions of the preferred embodiments. The accompanying drawings are intended solely to show the preferred embodiments and are not to be considered as limiting the utility of this model. Furthermore, the same components are designated by the same reference numerals throughout the drawings. In the figures:

[0027] [Fig. 1] is a structural diagram of an air duct according to an embodiment of the present utility model seen from one angle;

[0028] [Fig.2] is a partially enlarged diagram at point A of [Fig. 1];

[0029] [Fig.3] is a structural diagram of an air duct according to an embodiment of the present utility model seen from another angle;

[0030] [Fig.4] is a structural diagram of an exploded state of an air duct according to a mode of realization of the present utility model;

[0031] [Fig.5] is a partially enlarged diagram at point B of [Fig.4];

[0032] [Fig.6] is a structural diagram of a drying assembly according to a mode of realization of the present utility model seen from one angle;

[0033] [Fig.7] is a structural diagram of a drying assembly according to a mode of realization of the present utility model seen from another angle;

[0034] [Fig.8] is a partially enlarged diagram at point C of [Fig.7];

[0035] [Fig.9] is a structural diagram of an exploded state of a drying assembly according to a embodiment of the present utility model seen from an angle;

[0036] [Fig. 10] is a structural diagram of an exploded state of a drying assembly according to a a different way of implementing the present utility model;

[0037] [Fig. 11] is a structural diagram of a base station according to an embodiment of the present utility model;

[0038] [Fig. 12] is a structural diagram of an installation state of a base station according to a method of implementation of the present utility model;

[0039] [Fig. 13] is a structural diagram of a method of fixing a functional device of a base station according to an embodiment of the present utility model;

[0040] [Fig. 14] is a partially enlarged diagram at point D of [Fig. 13];

[0041] [Fig. 15] is a structural diagram of a base station with a functional device partially hidden according to one embodiment of the present utility model;

[0042] [Fig. 16] is a partially enlarged diagram at point E of [Fig. 15];

[0043] [Fig. 17] is a structural diagram of an exploded state of a base station according to an embodiment of the present utility model; and

[0044] [Fig. 18] is a partially enlarged diagram at point F of [Fig. 17].

[0045] The corresponding relationship between the reference symbols and the component names in [Fig. 1] to 18 is as follows:

[0046] 100 air duct;

[0047] 110 first shell, 120 second shell, 130 first snap-fit ​​assembly, 140 first set of fixings, 150 cable management components;

[0048] 111 main channel, 112 secondary channel, 131 locking hole, 132 block of locking, 141 screw, 142 screw hole;

[0049] 1321 connector, 1322 locking column, 1323 limiting part;

[0050] 200 drying assembly;

[0051] 210 heating element, 220 positioning hole, 230 positioning column, 240 air supply;

[0052] 310 base station body, 320 functional device, 330 second assembly snap-fit, 340 second fixing set, 350 plate body, 360 third snap-fit ​​set, 370 third fixing set. DETAILED DESCRIPTION

[0053] To better understand the above technical solutions, the technical solutions of the embodiments of this utility model will be described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiments of this utility model and the specific features of the embodiments are detailed illustrations of the technical solutions of the embodiments of this utility model, and not limitations of the technical solutions of this utility model. In the absence of conflict, the embodiments of this utility model and the technical features of the embodiments may be combined.

[0054] As illustrated in [Fig. 1] to 5, according to a first aspect of the embodiments of the present utility model, an air duct 100 is provided and comprises: a first shell 110 and a second shell 120, a channel being formed between the first shell 110 and the second shell 120; first snap-fit ​​assemblies 130, the first shell 110 being snapped onto the second shell 120 by means of the first snap-fit ​​assemblies 130; and first fixing assemblies 140, the first shell 110 being fixed to the second shell 120 by means of the first fixing assemblies 140.

[0055] The air duct 100 according to the embodiment of this utility model comprises the first shell 110 and the second shell 120. The first shell 110 and the second shell 120 can be assembled to form the channel, and the channel can be used for air supply. The air duct 100 further comprises the first snap-fit ​​assemblies 130 and the first fastening assemblies 140. In the assembly process of the air duct 100, the first shell 110 and the second shell 120 can be snapped together and assembled using the first snap-fit ​​assemblies 130 initially.In this case, the first snap-fit ​​assemblies 130 can play a preliminary positioning role, allowing the first shell 110 and the second shell 120 to be pre-connected simultaneously. Then, the first shell 110 and the second shell 120 can be permanently fixed using the first fixing assemblies 140, thus making the connection between the first shell 110 and the second shell 120 more reliable. Thanks to the arrangement of the first snap-fit ​​assemblies 130, the assembly and positioning of the first shell 110 and the second shell 120 can be facilitated. During use, the first snap-fit ​​assemblies 130 can also serve as auxiliary fixings, reducing the number of screws required to improve the efficiency of the air duct 100 assembly.

[0056] It can be understood that the first fastener sets 140 can include screws 141 and screw holes 142, and the number of screws arranged can be reduced by means of the arrangement of the first snap-fit ​​sets 130, so that the efficiency of the assembly of the air duct 100 can be improved and the cost reduced at the same time.

[0057] In some embodiments, some of the first snap-fit ​​assemblies 130 are arranged on the first shell 110, and others of the first snap-fit ​​assemblies 130 are arranged on the second shell 120; and some of the first fixing assemblies 140 are arranged on the first shell 110, and others of the first fixing assemblies 140 are arranged on the second shell 120.

[0058] As illustrated in [Fig. 1] to 5, in one possible embodiment, the first snap-fit ​​assembly 130 includes a locking hole 131 and a locking block 132, one of the locking holes 131 and locking block 132 is disposed on the first shell 110, the other of the locking holes 131 and locking block 132 is disposed on the second shell 120, and the locking block 132 is adapted to snap into the locking hole 131.

[0059] In this technical solution, the structural composition of the first snap-fit ​​assembly 130 is further provided. The first snap-fit ​​assembly 130 may include the locking hole 131 and the locking block 132. When The first shell 110 and the second shell 120 are assembled, the locking block 132 can be snapped into the locking hole 131. On this basis, the initial positioning of the first shell 110 and the second shell 120 can be completed, then the first fixing set 140 is arranged, so that the efficiency of the assembly can be improved.

[0060] As illustrated in [Fig. 1] to 5, in one possible embodiment, the locking block 132 comprises a connector 1321, the connector 1321 being connected to one of the first shell 110 and second shell 120; at least two locking columns 1322, the locking columns 1322 being connected to the connector 1321, and a space being reserved between two adjacent locking columns 1322 in the natural state; and limiting parts 1323 disposed at the free ends of the locking columns 1322.

[0061] In this technical solution, the structural composition of the locking block 132 is further provided. The locking block 132 may include the connector 1321, the locking columns 1322, and the limiting parts 1323. The locking block 132 is connected to the first shell 110 or the second shell 120 by means of the connector 1321. When the locking block 132 is snapped into the locking hole 131, the two adjacent locking columns 1322 move closer together under the guiding effect of the limiting parts 1323, so that the limiting parts 1323 pass through the locking hole 131 and subsequently lose the guiding effect, the locking columns 1322 reset, the locking columns 1322 are located in the locking hole 131, and the limiting parts 1323 can act as a limiting force.Based on this, the snap-fitting of the first shell 110 and the second shell 120 can be completed.

[0062] As illustrated in [Fig. 1] to 5, in one possible embodiment, the air duct 100 further includes a cable management component 150, and the cable management component 150 is disposed on the first shell 110 and / or the second shell 120.

[0063] In this technical solution, the cable management component 150 can further be arranged on the first shell 110 and / or the second shell 120, and the cables can be housed thanks to the arrangement of the cable management component 150.

[0064] In some embodiments, the cable management component 150 may include a groove through which the cables can be housed.

[0065] As illustrated in [Fig. 1] to 5, in one possible embodiment, a plurality of first snap-fit ​​assemblies 130 is provided; and / or a plurality of first fixing assemblies 140 is provided.

[0066] In this technical solution, there may be a plurality of first snap-fit ​​assemblies 130 and a plurality of first fastening assemblies 140, and the The connection between the first shell 110 and the second shell 120 can be more reliable thanks to the arrangement of the plurality of first snap-fit ​​assemblies 130 and the plurality of first fixing assemblies 140.

[0067] As illustrated in [Fig.6] to [Fig.10], according to a second aspect of the embodiments of the present utility model, a drying assembly 200 is provided and includes: the air duct 100 according to any technical solution above; and a heating element 210 disposed in the duct.

[0068] The drying assembly 200 according to the embodiment of the present utility model includes the heating element 210 and the air duct 100. In the process of use, the heating element 210 generates thermal energy, and the thermal energy can be transferred via the duct under the effect of an airflow to obtain a drying effect.

[0069] For the drying assembly 200 according to the embodiment of the present utility model, in the assembly process, the heating element 210 can be connected to the first shell 110 or the second shell 120 first, then the first shell 110 and the second shell 120 can be snapped together and assembled using the first snap-fit ​​assemblies 130. In this case, the first snap-fit ​​assemblies 130 can play a preliminary positioning role, and at the same time, the first shell 110 and the second shell 120 are preliminaryly connected. Subsequently, the first shell 110 and the second shell 120 can be permanently fixed using the first fixing assemblies 140, so that the connection between the first shell 110 and the second shell 120 is more reliable, and at the same time, the heating element 210 is fixed.Thanks to the arrangement of the first snap-fit ​​assemblies 130, the assembly and positioning of the first shell 110 and the second shell 120 can be facilitated. During use, the first snap-fit ​​assemblies 130 can also serve as auxiliary fasteners, so that the number of screws 141 used can be reduced to improve the efficiency of the air duct 100 assembly.

[0070] As illustrated in [Fig.6] to 10, in one possible embodiment, the channel comprises: a main channel 111 and at least two secondary channels 112, all the secondary channels 112 being connected to the main channel 111, and the heating element 210 is disposed in the main channel 111.

[0071] In this technical solution, when the air duct 100 is applied to the drying assembly 200, a channel style is further provided. The channel may include the main channel 111 and secondary channels 112, and the heating element 210 is arranged in the main channel 111. Based on the arrangement of the secondary channels, the drying assembly 200 can emit thermal energy in the two directions above, so that the drying efficiency can be improved. and simultaneously the arrangement of the entire 200 drying unit on the equipment is made more flexible.

[0072] As illustrated in [Fig.6] to 10, in one possible embodiment, the heating element 210 is provided with a positioning hole 220, the first shell 110 and / or the second shell 120 is / is provided with a positioning column 230, and the positioning column 230 is adapted to be inserted into the positioning hole 220.

[0073] In this technical solution, the method for securing the heating element 210 is further provided. The heating element 210 may include the positioning hole 220; the positioning column 230 may be arranged on the first shell 110 and / or the second shell 120; then the positioning column 230 is inserted into the positioning hole 220 to complete the securing of the heating element 210. Simultaneously, the assembly of the first shell 110 and the second shell 120 may also serve to limit the movement of the heating element 210, and the process of securing the heating element 210 may eliminate the need for screws 141, thus further improving the assembly efficiency of the drying unit 200.

[0074] As illustrated in [Fig.6] to 10, in one possible embodiment, the drying assembly 200 further includes an air supply 240, the air supply 240 is connected to the first shell 110 and / or the second shell 120, and an outlet end of the air supply 240 faces the channel.

[0075] In this technical solution, the drying assembly 200 may further include the air supply 240, and the airflow generated by the air supply 240 during operation can transfer the thermal energy generated by the heating element 210, thus improving drying efficiency. The air supply 240 is connected to the first shell 110 and / or the second shell 120, making the drying assembly 200 modular and therefore more convenient for mounting on the equipment.

[0076] As illustrated in [Fig.6] to [Fig.10], in one possible embodiment, some of the first snap-fit ​​assemblies 130 pass through a third shell of the air supply 240.

[0077] In this technical solution, some of the first snap-fit ​​assemblies 130 can pass through the third shell of the air supply 240. On this basis, provided that the first shell 110 and the second shell 120 are connected, the first snap-fit ​​assemblies 130 can also play a role in fixing the air supply 240, so that the assembly efficiency of the drying assembly 200 can be further improved, the fixing of the air supply 240 is more reliable, and this is beneficial for reducing the volume of the drying assembly 200.

[0078] As illustrated in [Fig. 1 1] and 12, according to a third aspect of the embodiments of the present utility model, a base station is provided and comprises: the drying assembly 200 according to any technical solution above; and a base station body 310, the drying assembly 200 being disposed in the base station body 310.

[0079] The base station according to the embodiment of this utility model comprises the drying assembly 200 according to any of the above technical solutions. Consequently, the base station exhibits all the beneficial effects of the drying assembly 200 according to the above technical solutions.

[0080] The base station according to the embodiment of the present utility model comprises the base station body 310 and the drying assembly 200, a storage bin for storing a main body of cleaning equipment can be formed in the base station body 310, the channel of the drying assembly 200 can be directed to the storage bin, and the thermal energy generated by the drying assembly 200 can dry the cleaning elements of the main body of cleaning equipment in the storage bin.

[0081] It can be understood that the number of screws 141 used can be reduced for the drying assembly 200 thanks to the arrangement of the first snap-fit ​​assemblies 130, so that the cost of the drying assembly 200 is reduced and the cost of the base station is further reduced.

[0082] As illustrated in [Fig. 13] to 16, in one possible embodiment, the base station further comprises: a functional device 320; a second snap-fit ​​assembly 330, by which the functional device 320 is snapped onto the base station body 310; and a second fixing assembly 340, the functional device 320 being fixed to the base station body 310 by means of the second fixing assembly 340.

[0083] In this technical solution, the functional device 320 of the base station can be connected to the base station body 310 by means of the second snap-fit ​​assembly 330 and the second fastening assembly 340. When the functional device 320 is assembled on the base station, the functional device 320 and the base station body 310 can be snapped and assembled first by means of the second snap-fit ​​assembly 330. In this case, the second snap-fit ​​assembly 330 can play a preliminary positioning role. Simultaneously, the functional device 320 and the base station body 310 are preliminaryly connected, and then the base station body 310 and the functional device 320 can be permanently fixed by means of the second fastening assembly 340, so that the connection between the base station body 310 and the functional device 320 is more reliable.Thanks to the arrangement of the second set. With the snap-fit ​​assembly 330, the assembly and positioning of the base station body 310 and the functional device 320 can be facilitated. During operation, the second snap-fit ​​assembly 330 can also serve as an auxiliary fastener, thus reducing the number of screws 141 used, thereby improving the efficiency of installing the functional device 320 and reducing costs.

[0084] In some embodiments, part of the second snap-fit ​​assembly 330 is disposed on the functional device 320, and the other part of the second snap-fit ​​assembly 330 is disposed on the base station body 310; and part of the second fastening assembly 340 is disposed on the functional device 320, and the other part of the second fastening assembly 340 is disposed on the base station body 310.

[0085] In one possible embodiment, the functional device 320 comprises at least one of the following: a water tank, a dust collection bin, a dust bag, a fan, a valve body, a motor and a pipeline.

[0086] In this technical solution, the type of functional device 320 is further provided, and the functional device 320 can be any device to be assembled on the base station body 310.

[0087] As illustrated in [Fig. 17] to 18, in one possible embodiment, the base station body 310 comprises a plurality of plate bodies 350; a third snap-fit ​​assembly 360, the adjacent plate bodies 350 being snapped together by means of the third snap-fit ​​assembly 360 and assembled to form a base station shell; and a third fastening assembly 370, the adjacent plate bodies 350 being fastened by means of the third fastening assembly 370 and assembled to form the base station shell.

[0088] In this technical solution, the style of the base station body 310 is further provided. The base station body 310 can comprise a plurality of plate bodies 350. When the base station shell is assembled, the adjacent plate bodies 350 can be snapped together and assembled first using the third snap-fit ​​assembly 360. In this case, the third snap-fit ​​assembly 360 can play a preliminary positioning role; at the same time, the plate bodies 350 are preliminaryly connected, and then the plate bodies 350 can be permanently fixed using the third fixing assembly 370, so that the connection of the plurality of plate bodies 350 is more reliable. Thanks to the arrangement of the third snap-fit ​​assembly 360, the assembly and positioning of the plate bodies 350 can be facilitated.In the process of use, the third 360 snap-fit ​​assembly can still play an auxiliary fastening role, so that the number of 141 screws used can be reduced to improve the efficiency of the assembly of the base station body 310 and reduce the cost.

[0089] It can be understood that some of the plate bodies 350 serve as side walls of the base station hull, and some of the plate bodies 350 serve as top and bottom plates.

[0090] According to a fourth aspect of the embodiments of the present utility model, a cleaning system is provided and includes: the base station according to any technical solution above; and a main body of cleaning equipment adapted to be stationed in the base station.

[0091] In some embodiments, the cleaning system may be an automatic cleaning system, and the main body of cleaning equipment may be a sweeping robot.

[0092] The cleaning system according to the embodiment of this utility model includes the base station according to any of the above technical solutions. Consequently, the cleaning system exhibits all the beneficial effects of the base station according to the above technical solutions.

[0093] In this utility model, the terms "first," "second," and "third" are purely descriptive and shall not be construed as indicating or implying relative importance; the term "plurality of" refers to two or more unless explicitly defined otherwise. Terms such as "installation," "coupling," "connection," and "fixation" shall be understood broadly. For example, "connection" may be a fixed connection, a detachable connection, or an integral connection; and "coupling" may be a direct coupling or an indirect coupling via an intermediary. For those with ordinary skills in the art, the specific meanings of the above terms in this utility model may be understood according to the specific situations.

[0094] In the descriptions of this utility model, it shall be understood that the orientation or position relation indicated by terms such as "upper", "lower", "left", "right", "front" and "rear" is based on the orientation or position relation shown in the accompanying drawings, is solely for the convenience of describing this utility model and simplifying the descriptions, instead of indicating or implying that the apparatus or unit mentioned must have a specific direction and be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of this utility model.

[0095] In the description, descriptions of terms such as "an embodiment," "certain embodiments," and "specific embodiments" mean that specific features, structures, materials, or characteristics described in relation to the embodiments or examples are included in at least one embodiment or example of the present utility model. In the description, schematic expressions of the above terms do not refer necessarily to the same embodiment or example. Furthermore, the specific characteristics, structures, materials or features described can be combined in one or more embodiments or examples in an appropriate manner.

Claims

Demands

1. Air duct (100), comprising: - a first shell (110) and a second shell (120), a channel being formed between the first shell (110) and the second shell (120); - a first snap-fit ​​assembly (130), the first shell (110) being snapped onto the second shell (120) by means of the first snap-fit ​​assembly (130); and - a first fixing assembly (140), the first shell (110) being fixed to the second shell (120) by means of the first fixing assembly (140).

2. Air duct (100) according to claim 1, wherein the first snap-fit ​​assembly (130) comprises a locking hole (131) and a locking block (132), one of the locking hole (131) and locking block (132) being disposed on the first shell (110), and the other being disposed on the second shell (120), the locking block (132) being adapted to snap into the locking hole (131).

3. Air duct (100) according to claim 2, wherein the locking block (132) comprises: - a connector (1321) connected to the first shell (110) or the second shell (120); - at least two locking columns (1322) connected to the connector (1321), a space being reserved between two locking columns (1322) adjacent in the natural state; and - limiting parts (1323) disposed at the free ends of the locking columns (1322).

4. Air duct (100) according to any one of claims 1 to 3, further comprising a cable management component (150), the cable management component (150) being disposed on the first shell (110) and / or the second shell (120).

5. Air duct (100) according to any one of claims 1 to 3, wherein the first snap-fit ​​assembly (130) is plural; and / or the first fastening assembly (140) is plural.

6. Drying assembly (200), comprising: - the air duct (100) according to any one of claims 1 to 5; and - a heating element (210) disposed in the channel.

7. Drying assembly (200) according to claim 6, wherein the channel comprises a main channel (111) and at least two secondary channels (112), all the secondary channels (112) being connected to the main channel (111), and the heating element (210) is disposed in the main channel (111).

8. Drying assembly (200) according to claim 6, wherein a positioning hole (220) is formed on the heating element (210), a positioning column (230) is formed on the first shell (110) and / or on the second shell (120), and wherein the positioning column (230) is adapted to be inserted into the positioning hole (220).

9. Drying assembly (200) according to any one of claims 6 to 8, further comprising an air supply (240), the air supply (240) being connected to the first shell (110) and / or the second shell (120), an outlet end of the air supply (240) facing the channel.

10. Drying assembly (200) according to claim 9, wherein a portion of the first snap-fit ​​assemblies (130) passes through a third air supply shell (240).

11. Base station (310), comprising: - the drying assembly (200) according to any one of claims 6 to 10; and - a base station body (310), the drying assembly (200) being disposed in the base station body (310).

12. Base station (310) according to claim 11, further comprising: - a functional device (320); - a second snap-fit ​​assembly (330), the functional device (320) being snapped onto the base station body (310) by means of the second snap-fit ​​assembly (330); and - a second fastening assembly (340), the functional device (320) being fastened to the base station body (310) by means of the second fastening assembly (340).

13. Base station (310) according to claim 12, wherein the functional device (320) comprises at least one of the following: a water tank, a dust collection tray, a dust bag, a fan, a valve body, a motor and a pipeline.

14. Base station (310) according to any one of claims 11 to 13, wherein the base station body (310) comprises: - a plurality of plate bodies (350); - a third snap-fit ​​assembly (360), the adjacent plate bodies (350) being snapped together by means of the third snap-fit ​​assembly (360) and assembled to form a base station shell; and - a third fastening assembly (370), the adjacent plate bodies (350) being fastened by means of the third fastening assembly (370) and assembled to form the base station shell.

15. Cleaning system comprising: - the base station (310) according to any one of claims 11 to 14; and - a main body of cleaning equipment adapted to be stationed in the base station (310).

Images