CN218347602U - Electric fan and electric fan shell assembly - Google Patents

Abstract

The utility model relates to an electric fan and electric fan casing subassembly. An electric fan case assembly comprising: the air duct shell comprises at least two air duct shells, wherein all the air duct shells are spliced to form a shell assembly with an air outlet channel; the wire routing part is arranged at the splicing position of at least one air duct shell in all the air duct shells and is used for providing a wire routing position for the wire guide piece; the first limiting part and the second limiting part are arranged on two opposite sides of the routing part along a preset direction and are used for installing limiting routing wires arranged at two ends of the wire guiding part in the routing part. Compared with the traditional electric fan, the electric fan shell assembly has the advantages that the wire guiding pieces are arranged at the splicing positions of the air duct shell, the space of an air duct cavity in the electric fan is prevented from being occupied, and the influence on the air outlet effect of the electric fan due to the fact that the volume of the air duct cavity is reduced is avoided.

Description

Electric fan and electric fan shell assembly

Technical Field

The utility model relates to a technical field of electric fan especially relates to an electric fan and electric fan casing subassembly.

Background

When a traditional electric fan (for example, a bladeless fan) is arranged on a circuit, the air duct routing mode of the traditional electric fan is usually external routing, so that a part of volume of an air duct cavity inside the electric fan is used for routing. Under the condition that electric fan appearance modeling is confirmed (namely the electric fan can not arrange because of walking the line, and change the preset outward appearance of electric fan), lead to the volume of the inside wind channel cavity of electric fan to diminish, influence the air-out effect, increase air-out noise.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an electric fan and an electric fan case assembly for solving the problem that the wiring manner of the conventional electric fan affects the air outlet effect.

An electric fan case assembly comprising: the air duct shell comprises at least two air duct shells, wherein all the air duct shells are spliced to form a shell assembly with an air outlet channel; the wire routing part is arranged at the splicing position of at least one air duct shell in all the air duct shells and is used for providing a wire routing position for the wire guiding piece; the first limiting portion and the second limiting portion are arranged on two opposite sides of the routing portion along a preset direction and used for installing limiting routing wires arranged at two ends of the wire guide piece in the routing portion.

When the electric fan shell assembly is used, at least two air duct shells are spliced to form a shell assembly (the shell assembly is provided with an air outlet channel). Furthermore, according to installation requirements, one air duct shell is selected from at least two air duct shells, a routing part is arranged at the splicing position of the selected air duct shell, and installation space is provided for routing of the wire guiding part through the routing part. And then the two ends of the wire guide are installed and limited through the first limiting part and the second limiting part which are arranged on the selected air duct shell, so that the assembly stability of the wire guide at the splicing part of the selected air duct shell is ensured. Therefore, compared with the traditional electric fan, the electric fan shell assembly has the advantages that the wire guiding pieces are arranged at the splicing positions of the air duct shell, the space of an air duct cavity in the electric fan is prevented from being occupied, and the influence of the volume reduction of the air duct cavity on the air outlet effect of the electric fan is avoided.

An electric fan comprises the electric fan shell assembly.

The electric fan adopts the electric fan shell component. Compared with the traditional electric fan, the electric fan shell assembly has the advantages that the wire guiding pieces are distributed at the splicing positions of the air duct shell, the space of an air duct cavity in the electric fan is prevented from being occupied, and therefore the influence of the volume reduction of the air duct cavity on the air outlet effect of the electric fan is avoided.

In one embodiment, the electric fan case assembly further includes an electric control board mounted on the air duct housing, the first limiting portion includes a first wire passing hole and a first wire winding seat provided at a joint of the air duct housing, the first end of the wire guiding member is in wire winding engagement with the first wire winding seat, and the first end of the wire guiding member is electrically connected to the electric control board through the first wire passing hole.

In one embodiment, the first winding seat comprises a first winding post and a first winding block, the first winding post and the first winding block are arranged at an interval at the splicing position of the air duct shell, and the first winding post and the first winding block form a first winding port for winding the wire guide.

In one embodiment, the first position-limiting portion further includes a first sealing element, the first sealing element is disposed in the first wire passing hole, the first sealing element is sleeved outside the wire guide, and the first sealing element is used for sealing the first wire passing hole.

In one embodiment, the first sealing element includes a first sealing block and a second sealing block, the first sealing block is provided with a first buckle, the second sealing block is provided with a first clamping hole matched with the first buckle in a clamping manner, the first sealing block and the second sealing block are both arranged in the first wire passing hole, and the first sealing block and the second sealing block are both matched with the wire guide sleeve.

In one embodiment, the electric fan casing assembly further comprises a shielding cover, a cover opening is reserved at the end of the casing assembly, the shielding cover is arranged at the cover opening, and a stop piece is arranged on the shielding cover and is in interference fit with the first sealing piece.

In one embodiment, an assembly groove is formed in the air duct shell, the electric control board is installed in the assembly groove, a fastening hole is formed in the electric control board, a fastening column opposite to the fastening hole is formed in the air duct shell, and the fastening hole and the fastening column are used for being fastened and matched with a fastening piece.

In one embodiment, the electric fan casing assembly further comprises a flow guide member, an auxiliary wire passing hole is formed in the flow guide member, a positioning member is arranged on the flow guide member, and a positioning hole matched with the flow guide member in a positioning mode is formed in the air duct casing.

In one embodiment, the second limiting portion includes a second wire passing hole and a second wire winding seat, the second wire passing hole is disposed on the air duct housing, the second end of the wire guide is in wire winding fit with the second wire winding seat, and the second end of the wire guide passes through the second wire passing hole.

In one embodiment, the second winding seat includes a second winding post and a second winding block, the second winding post and the second winding block are disposed at an interval on the air duct housing, and the second winding post and the second winding block form a second winding opening for winding the wire guide.

In one embodiment, the first position-limiting portion further includes a second sealing element, the second sealing element is installed in the auxiliary wire passing hole, the second sealing element is sleeved outside the wire guide, and the second sealing element is used for sealing the auxiliary wire passing hole.

In one embodiment, the second sealing element includes a third sealing block and a fourth sealing block, the third sealing block is provided with a second buckle, the fourth sealing block is provided with a second clamping hole matched with the second buckle in a clamping manner, the third sealing block and the fourth sealing block are both arranged in the auxiliary wire passing hole, and the third sealing block and the fourth sealing block are both matched with the wire guide sleeve.

In one embodiment, the electric fan casing assembly further comprises a mounting cover plate, the mounting cover plate is used for being mounted on an electric fan base, a mounting cavity used for being mounted and matched with the casing assembly is formed in the mounting cover plate, a third buckle is arranged on the casing assembly, a fourth buckle matched with the third buckle in a clamping mode is arranged on the mounting cover plate, and a third wire passing hole used for a wire guide to pass through is formed in the mounting cover plate.

Drawings

FIG. 1 is an exploded view of an electric fan and a fan housing assembly;

FIG. 2 is a schematic structural diagram of an electric control board;

FIG. 3 is a schematic view of a first seal;

FIG. 4 is a schematic view of a second seal;

FIG. 5 is a schematic view of the structure of the shielding cover;

FIG. 6 is a schematic view of the structure of the flow guide;

FIG. 7 is a schematic diagram of an internal structure of an electric fan case assembly according to an embodiment of the present invention;

FIG. 8 is a partial enlarged view of portion A of FIG. 7;

FIG. 9 is a schematic view of the internal structure of an electric fan case assembly according to another embodiment;

fig. 10 is a partial structural view of an electric fan case assembly according to still another embodiment.

10. The housing assembly comprises a housing assembly, 11, a cover opening, 12, a third fastener, 13, a locking protrusion, 100, a wire guide, 200, an air duct housing, 210, a wire routing portion, 220, a first limiting portion, 221, a first wire passing hole, 222, a first sealing member, 223, a first sealing block, 2231, a first fastener, 224, a second sealing block, 2241, a first locking hole, 225, a second sealing member, 226, a third sealing block, 2261, a second fastener, 227, a fourth sealing block, 2271, a second clamping hole, 230, a second limiting portion, 231, a second wire passing hole, 240, a first wire winding seat, 241, a first wire winding column, 242, a first wire winding block, 250, a second wire winding seat, 251, a second wire winding column, 252, a second wire winding block, 260, an assembly groove, a positioning hole, 300, a clamping plate, 310, a fastening hole, 400, a shielding cover, 401, 410, a stop member, 500, a flow guide member, 510, a cover plate, 520, a fourth wire passing hole, a mounting hole, 600, a third wire passing hole, 610, an auxiliary mounting hole, and an auxiliary mounting hole.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, 7 and 9, in one embodiment, an electric fan case assembly includes: the air duct comprises at least two air duct shells 200, wherein all the air duct shells 200 are spliced with each other to form a shell assembly with an air outlet channel; the wire routing part 210 is arranged at the splicing position of at least one air duct shell 200 in all the air duct shells and is used for providing a wire routing position for the wire guide 100; the first limiting portion 220 and the second limiting portion 230 are disposed on two opposite sides of the routing portion 210 along a predetermined direction, and are configured to mount a limiting routing wire disposed at two ends of the wire guiding member in the routing portion.

When the electric fan shell assembly is used, at least two air duct shells 200 are spliced to form the shell assembly 10 (the electric fan comprises the shell part of the air duct). Further, according to installation requirements, one air duct housing 200 is selected from at least two air duct housings 200, a routing portion 210 is arranged at a splicing position of the selected air duct housing 200, and an installation space is provided for routing of the wire guide 100 through the routing portion 210. The two ends of the wire guide 100 are mounted and limited by the first limiting part 220 and the second limiting part 230 arranged on the selected air duct shell 200, so that the assembly stability of the wire guide 100 at the splicing position of the selected air duct shell 200 is ensured. Therefore, compared with the traditional electric fan, the electric fan casing assembly has the advantages that the wire guiding pieces 100 are arranged at the splicing positions of the air duct casing 200 in a wiring mode, the space of an air duct cavity in the electric fan is prevented from being occupied, and the influence of the volume reduction of the air duct cavity on the air outlet effect of the electric fan is avoided.

In one embodiment, compared with the traditional electric fan wiring mode, the electric fan casing assembly realizes internal wiring, can avoid adding an additional decorating part to shield the wiring structure, can reduce the whole machine cost and the assembly time, and improves the product cost performance.

In one embodiment, the routing portion 210 includes a wire-locking groove (an integrally connected wire-locking groove) extending in the routing direction on the air duct housing 200, or a plurality of wire-locking grooves spaced apart from each other in the routing direction on the air duct housing 200.

In one embodiment, the mounting housing may be partially secured by bolting when assembled to form the housing assembly 10. Meanwhile, the middle part of the mounting shell is fixed by utilizing the fixed connection modes such as welding, gluing, clamping or screws.

Referring to fig. 1, 2, 7 and 8, in an embodiment, the electric fan casing assembly further includes an electric control board 300, the electric control board 300 is mounted on the air duct housing 200, the first limiting portion 220 includes a first wire passing hole 221 and a first winding seat 240, the first end of the wire guiding member 100 is wound and fitted with the first winding seat 240, and the first end of the wire guiding member 100 is electrically connected to the electric control board 300 through the first wire passing hole 221. Specifically, the first winding base 240 may be integrally formed or spliced with the duct housing 200. Then, the wire guide 100 is wound and fitted with the first winding seat 240, and the first end of the wire guide 100 is inserted into the first wire passing hole 221 and electrically connected to the electronic control board 300. Meanwhile, the installation position of the first winding seat 240 at the splicing position of the air duct shell 200 is close to the first wire passing hole 221, so that the first end of the wire guide 100 can be more conveniently electrically connected with the electric control board 300, and the elastic force of the wire guide 100 per se is prevented from generating installation influence on the first end of the wire guide 100.

As shown in fig. 7 and 8, in one embodiment, the first winding base 240 includes a first winding post 241 and a first winding block 242, the first winding post 241 and the first winding block 242 are spaced apart from each other at a joint of the air duct housing 200, and the first winding post 241 and the first winding block 242 form a first winding opening for winding the wire guide 100. Specifically, the first winding post 241 and the first winding block 242 are spaced apart from each other at the joint of the air duct housing 200, so that the wire guide 100 is wound through the first winding opening. The above-mentioned embodiment can ensure the winding effect of the wire guide 100 and the first winding seat 240, and avoid the wire guide 100 from accidentally bouncing off the first winding seat 240. Further, a first anti-slip protrusion is provided on the first winding post 241 along the circumferential direction of the first winding post 241, and the first winding post 241 may improve a contact effect with the wire guide 100 through the first anti-slip protrusion. In addition, the first winding block 242 may be an arc-shaped block, that is, the first winding opening is an arc-shaped winding opening, which may sufficiently ensure a contact area between the first winding block 242 and the wire guide 100.

Referring to fig. 1, 3, 7 and 8, in an embodiment, the first position-limiting portion 220 further includes a first sealing element 222, the first sealing element 222 is disposed in the first wire passing hole 221, the first sealing element 222 is disposed outside the wire guide 100, and the first sealing element 222 is used for sealing the first wire passing hole 221. In particular, the first seal 222 may be a seal block or gland. In the above embodiment, the first wire passing hole 221 is sealed to improve the stability of the assembly of the wire guide 100 and the first limiting portion 220.

Referring to fig. 1, 3, 7 and 8, in an embodiment, the first sealing element 222 includes a first sealing block 223 and a second sealing block 224, a first buckle 2231 is disposed on the first sealing block 223, a first locking hole 2241 engaged with the first buckle 2231 is disposed on the second sealing block 224, the first sealing block 223 and the second sealing block 224 are disposed in the first wire passing hole 221, and the first sealing block 223 and the second sealing block 224 are engaged with the wire guiding member 100. Specifically, the first sealing block 223 and the second sealing block 224 are clamped and sleeved outside the wire guide 100, so that on one hand, the sealing effect of the first sealing block 223 and the second sealing block 224 on the first wire passing hole 221 can be ensured, and on the other hand, the fixing effect of the first sealing block 223 and the second sealing block 224 on the sleeving of the wire guide 100 can also be ensured. Further, the first sealing block 223 is provided with a first engaging half hole for engaging with the guiding element, and the second sealing block 224 is provided with a second engaging half hole for engaging with the guiding element.

Referring to fig. 1 and 5, in one embodiment, the electric fan casing assembly further includes a shielding cover 400, the end of the casing assembly 10 is provided with a cover opening 11, the shielding cover 400 is covered on the cover opening 11, the shielding cover 400 is provided with a stopper 410, and the stopper 410 is in interference fit with the first sealing member 222. Specifically, the housing assembly 10 is provided with a cover opening 11, so as to facilitate the assembly and disassembly of the electric control board 300 and other components. By installing the shielding cover 400 at the cover opening 11, the internal components of the electric fan are prevented from being exposed to the external environment. Further, the shielding cover 400 can be fixed in a snap-fit manner when being covered with the cover opening 11. For example: the shielding cover 400 is provided with a clamping groove 401, and a clamping protrusion 13 clamped and matched with the clamping groove 401 is additionally arranged at the cover opening 11 along the circumferential direction of the cover opening 11. Further, the stopper 410 is a stopper or a rib, and after the cover 400 is covered on the lid opening 11, the stopper 410 abuts against the first seal 222, so that the first seal 222 is prevented from being blown out by the air flow in the air duct.

Referring to fig. 1, 7 and 9, in an embodiment, a mounting groove 260 is formed on the air duct housing 200, the electronic control board 300 is mounted in the mounting groove 260, a fastening hole 310 is formed on the electronic control board 300, a fastening column 261 opposite to the fastening hole 310 is formed on the air duct housing 200, and both the fastening hole 310 and the fastening column 261 are used for fastening and matching with a fastening piece. Specifically, the mounting groove 260 is formed in the mounting housing, so that the electronic control board 300 can be more effectively mounted on the mounting housing. Further, the fastening holes 310 may be snap holes or threaded holes, and the fastening posts 261 may be threaded posts or snap posts. The fastening holes 310 are tightly matched with the fastening columns 261 through fasteners (fasteners such as buckles or bolts, pins and the like), so that the electronic control board 300 is effectively fixed on the mounting shell.

Referring to fig. 1 and 6, in an embodiment, the electric fan case assembly further includes a flow guiding member 500, an auxiliary wire passing hole 510 is disposed on the flow guiding member 500, a positioning member 520 is disposed on the flow guiding member 500, and a positioning hole 270 is disposed on the air duct case 200 and is in positioning fit with the flow guiding member 500. Specifically, the air guiding member 500 is a guiding plate or a guiding shell, and the guiding member 500 can help the electric fan to convey air into the air duct housing 200. Meanwhile, the auxiliary wire passing hole 510 is formed in the guide member 500, so that the influence of the guide member 500 on the routing of the wire guide member 100 can be avoided. Further, the positioning element 520 is a positioning block or a positioning post. The air guide member 500 is in positioning fit with the positioning hole 270 in the air duct housing 200 through the positioning member 520, so that the installation effect of the air guide member 500 and the air duct housing 200 can be effectively ensured. Further, after the flow guide 500 is installed inside the housing assembly 10, it can be further fixed by screwing, fastening, etc.

Referring to fig. 7 and 9, in an embodiment, the second limiting portion 230 includes a second wire passing hole 231 and a second wire winding seat 250, which are disposed on the air duct housing 200, the second end of the wire guide 100 is wire-wound with the second wire winding seat 250, and the second end of the wire guide 100 passes through the second wire passing hole 231. Specifically, the second wire winding seat 250 may be integrally formed or spliced with the air duct housing 200. Then, the wire is routed along the routing portion 210, the wire portion passes through the auxiliary wire passing hole 510 on the guiding element 500, the wire guiding element 100 is wound and matched with the second wire winding seat 250, and the second end of the wire guiding element 100 passes through the second wire passing hole 231 and is electrically connected with the target circuit element. Meanwhile, the installation position of the second winding seat 250 at the splicing position of the air duct shell 200 is close to the second wire passing hole 231, so that the second end of the wire guide 100 can be electrically connected with a target circuit element more conveniently, and the installation influence of the elastic force of the wire guide 100 on the second end of the wire guide 100 is avoided.

As shown in fig. 7 and 9, in an embodiment, the second winding base 250 includes a second winding post 251 and a second winding block 252, the second winding post 251 and the second winding block 252 are spaced apart from each other on the air duct housing 200, and the second winding post 251 and the second winding block 252 form a second winding opening for winding the wire guide 100. Specifically, the second winding post 251 and the second winding block 252 are spaced apart from each other on the air duct housing 200, so that the wire guide 100 is wound through the second winding opening. The above-mentioned embodiment can ensure the winding effect of the wire guide 100 and the second winding seat 250, and avoid the wire guide 100 from accidentally bouncing off the second winding seat 250. Further, a second anti-slip protrusion is provided on the second wrapping post 251 along the circumferential direction of the second wrapping post 251, and the second wrapping post 251 can improve the contact effect with the wire guide 100 through the second anti-slip protrusion. In addition, the second winding block 252 may be an arc-shaped block, that is, the second winding opening is an arc-shaped winding opening, which may sufficiently ensure the contact area between the second winding block 252 and the wire guide 100.

As shown in fig. 1 and 4, in an embodiment, the first position-limiting portion 220 further includes a second sealing member 225, the second sealing member 225 is disposed in the auxiliary wire through hole 510, the second sealing member 225 is disposed outside the wire guide 100, and the second sealing member 225 is used for sealing the auxiliary wire through hole 510. In particular, the second seal 225 may be a seal block or gland. The above-mentioned embodiment improves the assembling stability of the wire guide 100 and the second position-limiting portion 230 by sealing the auxiliary wire passing hole 510.

Referring to fig. 1 and 4, in an embodiment, the second sealing element 225 includes a third sealing block 226 and a fourth sealing block 227, a second buckle 2261 is disposed on the third sealing block 226, a second buckle hole 2271 engaged with the second buckle 2261 is disposed on the fourth sealing block 227, the third sealing block 226 and the fourth sealing block 227 are both disposed in the auxiliary wire passing hole 510, and the third sealing block 226 and the fourth sealing block 227 are both engaged with the wire guide 100. Specifically, the third sealing block 226 and the fourth sealing block 227 are clamped and sleeved outside the wire guide 100, so that on one hand, the sealing effect of the third sealing block 226 and the fourth sealing block 227 on the auxiliary wire passing hole 510 can be ensured, and on the other hand, the fixing effect of the third sealing block 226 and the fourth sealing block 227 on the sleeving of the wire guide 100 can also be ensured. Furthermore, a third sleeving half hole for sleeving and matching with the guide member is formed in the third sealing block 226, and a fourth sleeving half hole for sleeving and matching with the guide member is formed in the second sealing block 224.

Referring to fig. 1 and 10, in an embodiment, the electric fan case assembly further includes a mounting cover 600, the mounting cover 600 is configured to be mounted on the electric fan base, a mounting cavity configured to be mounted and matched with the case assembly 10 is disposed on the mounting cover 600, a third buckle 12 is disposed on the case assembly 10, a fourth buckle 610 configured to be clamped and matched with the third buckle 12 is disposed on the mounting cover 600, and a third wire passing hole 620 configured to pass through the wire guide 100 is disposed on the mounting cover 600. Specifically, the cover plate 600 can be installed to effectively mount the housing assembly 10 to the base of the electric fan, so as to ensure the delivery effect of the air volume of the electric fan. Further, the shell assembly 10 and the mounting cover plate 600 are fixed in a manner of clamping and matching the third buckle 12 and the fourth buckle 610, so that the shell assembly 10 and the mounting cover plate 600 can be mounted more conveniently. Finally, the third wire passing hole 620 is formed in the mounting cover 600, so that the wire guide 100 can be conveniently connected and matched with the target electrical component of the electric fan.

In one embodiment, an electric fan includes an electric fan housing assembly.

The electric fan adopts the electric fan shell component. Compared with the traditional electric fan, the electric fan shell assembly has the advantages that the wire guiding pieces 100 are distributed at the splicing positions of the air duct shell 200 in a wiring mode, the space of an air duct cavity in the electric fan is prevented from being occupied, and therefore the influence of the volume reduction of the air duct cavity on the air outlet effect of the electric fan is avoided.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (14)

1. An electric fan case assembly, comprising:

the air duct shell comprises at least two air duct shells, wherein all the air duct shells are spliced to form a shell assembly with an air outlet channel;

the wire routing part is arranged at the splicing position of at least one air duct shell in all the air duct shells and is used for providing a wire routing position for the wire guide piece;

the first limiting portion and the second limiting portion are arranged on two opposite sides of the routing portion along a preset direction and used for installing limiting routing wires arranged at two ends of the wire guide piece in the routing portion.

2. The electric fan case assembly according to claim 1, further comprising an electric control board mounted on the air duct housing, wherein the first limiting portion comprises a first wire passing hole and a first wire winding seat provided at a joint of the air duct housing, the first end of the wire guide is in wire winding engagement with the first wire winding seat, and the first end of the wire guide is electrically connected to the electric control board through the first wire passing hole.

3. The electric fan housing assembly as recited in claim 2, wherein said first winding base comprises a first winding post and a first winding block, said first winding post and said first winding block being spaced apart from each other at a junction of said air duct housing, and said first winding post and said first winding block forming a first winding opening for winding said wire guide.

4. The electric fan case assembly as claimed in claim 3, wherein the first position-limiting portion further comprises a first sealing member, the first sealing member is disposed in the first wire passing hole, and the first sealing member is disposed outside the wire guide member, the first sealing member is used for sealing the first wire passing hole.

5. The electric fan case assembly according to claim 4, wherein the first sealing member comprises a first sealing block and a second sealing block, the first sealing block is provided with a first buckle, the second sealing block is provided with a first buckle hole matched with the first buckle in a clamping manner, the first sealing block and the second sealing block are both arranged in the first wire passing hole, and the first sealing block and the second sealing block are both matched with the wire guiding member in a sleeving manner.

6. The electric fan housing assembly of claim 5, further comprising a cover cap, the end of the housing assembly leaving a cover opening, the cover cap positioned at the cover opening, the cover cap having a stop member positioned thereon, the stop member in interference engagement with the first seal member.

7. The electric fan case assembly as claimed in claim 2, wherein the air duct housing is provided with an assembly groove, the electric control board is mounted in the assembly groove, the electric control board is provided with a fastening hole, the air duct housing is provided with a fastening post opposite to the fastening hole, and the fastening hole and the fastening post are both used for fastening and matching with a fastening piece.

8. The electric fan case assembly according to claim 1, further comprising a flow guide member, wherein the flow guide member is provided with an auxiliary wire passing hole, the flow guide member is provided with a positioning member, and the air duct housing is provided with a positioning hole in positioning fit with the flow guide member.

9. The electric fan housing assembly as claimed in claim 8, wherein the second position-limiting portion comprises a second wire passing hole and a second wire winding seat, the second end of the wire guiding member is wire-wound with the second wire winding seat, and the second end of the wire guiding member passes through the second wire passing hole.

10. The electric fan housing assembly as recited in claim 9, wherein said second winding base comprises a second winding post and a second winding block, said second winding post and said second winding block being spaced apart from each other on said air duct housing, and said second winding post and said second winding block forming a second winding opening for winding said wire guide.

11. The electric fan case assembly as claimed in claim 9, wherein the first position-limiting portion further comprises a second sealing member installed in the auxiliary wire through hole and sleeved outside the wire guide, the second sealing member being used for sealing the auxiliary wire through hole.

12. The electric fan case assembly according to claim 11, wherein the second sealing member comprises a third sealing block and a fourth sealing block, the third sealing block is provided with a second buckle, the fourth sealing block is provided with a second buckle hole matched with the second buckle in a clamping manner, the third sealing block and the fourth sealing block are both arranged in the auxiliary wire passing hole, and the third sealing block and the fourth sealing block are both matched with the wire guiding member in a sleeving manner.

13. The electric fan casing assembly according to any one of claims 1 to 12, further comprising a mounting cover plate for mounting on an electric fan base, wherein the mounting cover plate is provided with a mounting cavity for mounting and matching with the casing assembly, the casing assembly is provided with a third buckle, the mounting cover plate is provided with a fourth buckle for clamping and matching with the third buckle, and the mounting cover plate is provided with a third wire passing hole for a wire guide to pass through.

14. An electric fan comprising the electric fan housing assembly of any one of claims 1 to 13.

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