CN216714767U

CN216714767U - Fan and chassis structure thereof

Info

Publication number: CN216714767U
Application number: CN202123276253.6U
Authority: CN
Inventors: 胡一群; 黎尚民
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-10
Anticipated expiration: 2031-12-23

Abstract

The application relates to a fan and a chassis structure thereof, the chassis structure of the fan comprises: a base; one end of the power line is arranged in the base in a winding manner; the stop mechanism is arranged in the base; the stop mechanism comprises a support, a pressure head and a swing rod; the support is fixed on the base, the swing rod is pivoted to the support, the pressure head is connected to the swing rod, and the other end of the power line can penetrate through and be exposed out of the support; when the swing rod is in a natural state, the pressure head presses the power line to the support; the swing rod can rotate around a pivot point relative to the support under the action of external force and drive the pressure head to release the power line so as to allow the power line to stretch relative to the base. A fan comprises the chassis structure of the fan. By means of the fan and the chassis structure thereof, a user can adjust the length of the power line at any time according to actual requirements and fix the power line, and the fan is convenient to use and operate.

Description

Fan and chassis structure thereof

Technical Field

The present application relates to the field of fan technology, and more particularly, to a fan and a chassis structure thereof.

Background

The fan is of various types and is provided with a power cord. The power cord of the fan is mostly exposed to the outside and bundled by a binding band. When the user is using, power cord length adjustment is inconvenient, and the power cord is easy deposition of dust and easy damage.

Disclosure of Invention

Therefore, it is necessary to provide a fan and a chassis structure thereof for solving the problems of inconvenient length adjustment and easy damage of a power line.

A chassis structure of a fan, comprising:

a base;

one end of the power line is arranged in the base in a winding manner;

the stop mechanism is arranged in the base; the stop mechanism comprises a support, a pressure head and a swing rod; the support is fixed on the base, the swing rod is pivoted to the support, the pressure head is connected to the swing rod, and the other end of the power line can penetrate through and be exposed out of the support;

when the swing rod is in a natural state, the pressure head presses the power line to the support; the swing rod can rotate around a pivot point relative to the support under the action of external force and drive the pressure head to release the power line so as to allow the power line to stretch relative to the base.

According to the chassis structure of the fan, when the power line is not needed to be used, the power line can be stored in the base and fixed through the stop mechanism, so that the power line is effectively protected; when the power cord needs to be used, order about the pendulum rod and rotate, make the power cord flexible in order to adjust length for the base after, can fix once more through ending the position mechanism. The user can adjust the length of power cord and fixed power cord at any time according to actual demand, and the user of being convenient for uses and operates.

In one embodiment, a pivot point of the swing rod and the support is taken as a dividing point, and the swing rod is divided into a first end and a second end by the dividing point; the pressure head is arranged at the first end of the oscillating bar;

the stop mechanism comprises an elastic piece, and the elastic piece is limited between the second end of the swing rod and the support and used for providing restoring force for the rotation of the swing rod.

In one embodiment, the second end of the swing rod is provided with a first protruding end, one side of the support facing the swing rod is provided with a second protruding end, and two ends of the elastic element are respectively fixed at the first protruding end and the second protruding end.

In one embodiment, the stop mechanism further comprises a button, the button is disposed at the second end of the swing link, and pressing the button can drive the swing link to rotate around the pivot point.

In one embodiment, the support has a connecting portion, the swing link is rotatably connected to the connecting portion, and a connection point of the swing link and the connecting portion is the pivot point.

In one embodiment, the distance between the pivot point and the button is 2/3 of the total length of the swing rod.

In one embodiment, a groove is formed in one side, facing the power cord, of the pressure head, and a flange is arranged on the periphery of the power cord and can be clamped in the groove.

In one embodiment, the number of the flanges is multiple, and the flanges are arranged at intervals along the extending direction of the power line.

In one embodiment, a roller is arranged on one side of the pressure head facing the power line, and the roller can rotate relative to the pressure head.

In one embodiment, the power cord extension device further comprises a winding mechanism, the winding mechanism is arranged in the base, the power cord is wound on the winding mechanism, and the power cord is driven to move by the winding mechanism to enable the power cord to extend and retract relative to the base.

In one embodiment, the winding mechanism comprises a winding disc and a clockwork spring, the winding disc is rotatably arranged in the base, and the clockwork spring is arranged in the winding disc; the power line is wound on the wire spool, and when the power line is stretched outwards, the power line drives the wire spool to rotate so as to compress and wind the clockwork spring; when the clockwork spring is relaxed and reset, the clockwork spring drives the wire spool to rotate in the opposite direction for resetting, and the power wire is wound on the wire spool again.

In one embodiment, the power line comprises a wire body and a charging connector, the charging connector is connected to the end of the wire body, and the wire body is wound on the winding mechanism.

In one embodiment, the base comprises a bottom plate and a cover plate, the bottom plate and the cover plate enclose a cavity, the power line and the stop mechanism are both arranged in the cavity, a wire outlet is formed in the outer wall of the cavity, and the charging connector is movably pulled out of the wire outlet.

In one embodiment, the base comprises a storage cover, and the storage cover is arranged at the outlet.

A fan comprises the chassis structure of the fan.

When the power cord of the fan is not needed to be used, the power cord can be contained in the base and fixed through the stop mechanism; when the power cord needs to be used, order about the pendulum rod and rotate, make the power cord flexible in order to adjust length for the base after, can fix once more through ending the position mechanism. The user can adjust the length of power cord and fixed power cord at any time according to actual demand, and the user of being convenient for uses and operates.

Drawings

FIG. 1 is a schematic view of a base structure of a fan according to an embodiment (showing a cover plate);

FIG. 2 is a schematic view of a chassis structure of the fan shown in FIG. 1 (a cover plate is not shown);

FIG. 3 is a top view of the chassis structure of the fan shown in FIG. 2;

FIG. 4 is a schematic view of a head in a chassis configuration of the fan of FIG. 2;

fig. 5 is a schematic diagram of a power cord in the chassis structure of the fan shown in fig. 2.

Reference numerals:

100. a base; 101. an outlet; 102. a cavity; 110. a base plate; 120. a storage cover; 200. a power line; 201. a flange; 210. a wire body; 220. a charging connector; 300. a stop mechanism; 310. a support; 311. A second protruding end; 312. a connecting portion; 320. a swing rod; 330. a pressure head; 331. a groove; 332. a roller; 340. a button; 350. an elastic member; 400. a winding mechanism; 410. a wire spool; 420. a spiral spring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.

In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

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 application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "initially", "connected", "secured", and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; 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 application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. 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 and 2, a chassis structure of a fan in an embodiment includes a base 100, a power cord 200 and a stop mechanism 300, wherein one end of the power cord 200 is disposed in the base 100 in a winding manner, and the stop mechanism 300 is disposed in the base 100. The stopping mechanism 300 includes a support 310, a swing rod 320 and a pressing head 330, the pressing head 330 is connected to the swing rod 320, the swing rod 320 is pivoted to the support 310, the support 310 is fixed to the base 100, and the other end of the power cord 200 can penetrate through and be exposed out of the support 310.

As shown in fig. 2, when the swing link 320 is in the natural state, the pressing head 330 presses the power cord 200 against the support 310; the swing link 320 can also rotate around the pivot point relative to the support 310 under the external force, and drive the pressing head 330 to release the power cord 200, so as to allow the power cord 200 to extend and retract relative to the base 100.

Through the arrangement, when the power line 200 is not needed to be used, the power line 200 can be accommodated in the base 100 and fixed through the stop mechanism 300, so that the power line 200 is effectively protected; when the power cord 200 needs to be used, the swing link 320 is driven to rotate, so that the power cord 200 can be fixed again through the stop mechanism 300 after being stretched and contracted relative to the base 100 to adjust the length. The user can adjust the length of power cord 200 and fixed power cord 200 at any time according to actual demand, and the user of being convenient for uses and operates.

In a particular embodiment, the fan body structure is mounted to the base 100. One end of the power cord 200 is connected to a component inside the body structure of the fan, and the other end of the power cord 200 is connected to an external power source and used to supply power to the fan.

In the embodiment shown in fig. 3, the pivot point of the swing link 320 and the support 310 is taken as a boundary point, and the swing link 320 is divided into a first end and a second end by the boundary point.

In this embodiment, the ram 330 is disposed at a first end of the swing link 320.

As shown in fig. 3, the stopping mechanism 300 further includes an elastic member 350, and the elastic member 350 is limited between the second end of the swing link 320 and the support 310 and is used for providing a restoring force for the rotation of the swing link 320.

In a specific embodiment, the elastic member 350 may be a spring or a leaf spring.

Specifically, as shown in the embodiment shown in fig. 3, the second end of the swing link 320 is provided with a first protruding end, the side of the support 310 facing the swing link 320 is provided with a second protruding end 311, and two ends of the elastic member 350 are respectively fixed to the first protruding end and the second protruding end 311.

In the present embodiment, as shown in fig. 3, the coils at the two ends of the elastic member 350 are respectively sleeved on the first extending end and the second extending end 311, so that the two ends of the elastic member 350 are respectively fixed to the swing link 320 and the support 310. In other embodiments, two ends of the elastic member 350 may be respectively provided with a hook, and the hook is inserted through the swing link 320 or the support 310, so that the two ends of the elastic member 350 are respectively fixed to the swing link 320 and the support 310.

In this embodiment, the first protruding end and the swing link 320 are integrally formed, and the second protruding end 311 and the support 310 are integrally formed, so that the mechanical strength is high and the integrity is good. In other embodiments, the first protruding end and the swing link 320 may be in a split structure, and the second protruding end 311 and the support 310 may be in a split structure.

As shown in fig. 3, the stop mechanism 300 further includes a button 340, the button 340 is disposed at the second end of the swing link 320, and the pressing of the button 340 can drive the swing link 320 to rotate around the pivot point.

It can be understood that, as shown in fig. 2 and 3, when the swing link 320 is in the natural state, the elastic member 350 is in the natural state, the power cord 200 is pressed by the pressing head 330 towards the support 310, and the power cord 200 is fixed by the pressing force of the pressing head 330 and the support 310; when an external force is applied to the button 340, the swing link 320 is driven to rotate the swing link 320 around the pivot point, and the pressing head 330 is driven to release the power cord 200, so as to allow the power cord 200 to extend and retract relative to the base 100, and the elastic member 350 is in a compressed state; when the external force pressing the button 340 is removed, the elastic member 350 will recover its original shape due to elastic deformation, and the swing link 320 returns under the restoring force of the elastic member 350, and at the same time, the pressing head 330 is driven to return, and at this time, the swing link 320 is in the natural state again.

In the embodiment shown in fig. 3, the support 310 has a connecting portion 312, the swing link 320 is rotatably connected to the connecting portion 312, and the connecting point of the swing link 320 and the connecting portion 312 is a pivot point.

In this embodiment, the connection portion 312 is spaced apart from the second protruding end 311.

In the present embodiment, as shown in fig. 3, the swing link 320 is pivotally connected to the connection portion 312 by a pin. The number of the connecting portions 312 is two, the two connecting portions 312 are arranged at intervals, the support 310 is arranged between the two connecting portions 312 in a penetrating manner, and the pin shaft is arranged between the two connecting portions 312 and the support 310 in a penetrating manner, so that the support 310 is rotatably connected to the connecting portions 312.

In other embodiments, the swing link 320 may also be pivotally connected to the connection portion 312 via a hinge or a hinge. The number of connections 312 may also be other values.

In the present embodiment, the connecting portion 312 and the support 310 are integrally formed, and have high mechanical strength and good integrity. In other embodiments, the connecting portion 312 and the support 310 may also be a separate structure, and the connecting portion 312 and the support 310 may be connected by riveting or clipping.

In the embodiment shown in fig. 3, the distance between the pivot point and the button 340 is 2/3 of the total length of the swing link 320.

It can be understood that the distance between the pivot point and the button 340 is twice the distance between the pivot point and the pressure head 330, so that the actuating arm is larger than the resistance arm, and the swing link 320 can be driven to rotate only by applying a small force to the button 340, which is convenient for the user to use.

In the present embodiment, the swing lever 320 has a flat plate shape. In other embodiments, the swing link 320 may be cylindrical or other shapes.

In the embodiment shown in fig. 3 and 4, a groove 331 is provided on a side of the pressure head 330 facing the power cord 200, a flange 201 is provided on the outer periphery of the power cord 200, and the flange 201 can be held in the groove 331.

With this arrangement, when the power cord 200 needs to be fixed, the power cord 200 is pressed by the pressing head 330 and the holder 310, and the power cord 200 is prevented from being stretched or retracted relative to the base 100 by the snap-fit positioning of the flange 201 and the recess 331.

In this embodiment, as shown in fig. 5, the number of the flanges 201 is plural, and the flanges 201 are provided at intervals in the extending direction of the power cord 200. Correspondingly, the number of the grooves 331 is also plural, and one groove 331 corresponds to one flange 201.

In the present embodiment, as shown in fig. 4, the flange 201 and the wire body 210 of the power cord 200 are formed integrally. In other embodiments, the flange 201 and the wire body 210 of the power cord 200 may also be of a split structure, the flange 201 may be sleeved on the outer periphery of the wire body 210 of the power cord 200, and the flange 201 is fixed on the outer periphery of the wire body 210 of the power cord 200 by an interference fit manner.

In the embodiment shown in fig. 4, the side of the ram 330 facing the power cord 200 is provided with a roller 332, and the roller 332 is rotatable relative to the ram 330.

Through this setting, can effectively avoid pressure head 330 towards one side of power cord 200 and power cord 200 periphery direct contact, reduce the frictional force between the two, when power cord 200 need not to fix, the smooth drawing or the retraction of power cord 200 of the gyro wheel 332 rotation energy of being convenient for simultaneously.

In this embodiment, as shown in fig. 4, a plurality of rollers 332 are provided in a side of the pressing head 330 facing the power cord 200, and the plurality of rollers 332 are provided at intervals.

Specifically, as shown in fig. 4, a roller 332 is disposed in at least one of the plurality of grooves 331, which is beneficial to improve space utilization. For example, the number of the grooves 331 is five, two grooves 331 are not provided with the roller 332, the other three grooves 331 are provided with the roller 332, the grooves 331 not provided with the roller 332 are used for being clamped with the flange 201, and the grooves 331 provided with the roller 332 are not clamped with the flange 201.

In other embodiments, the roller 332 and the recess 331 may be spaced side by side, and the roller 332 is not accommodated in the recess 331.

In the embodiment shown in fig. 3, the chassis structure of the fan further includes a winding mechanism 400, the winding mechanism 400 is disposed in the base 100, and the power cord 200 is wound around the winding mechanism 400.

In this embodiment, the power cord 200 can be extended or retracted relative to the base 100 by actuating the winding mechanism 400. Through this setting, be convenient for control power cord 200's tensile length, improve user experience and feel.

Specifically, as shown in fig. 3, the winding mechanism 400 includes a winding disc 410 and a spring 420, the winding disc 410 is rotatably disposed in the base 100, and the spring 420 is disposed in the winding disc 410; the power cord 200 is wound on the wire spool 410, and when the power cord 200 is stretched outwards, the power cord 200 drives the wire spool 410 to rotate, so that the spring 420 is compressed and wound; when the spring 420 is relaxed and reset, the spring 420 drives the spool 410 to rotate in the opposite direction for resetting, and the power cord 200 is rewound on the spool 410.

In the embodiment, a rotation shaft is provided at a middle portion of the wire spool 410, and the rotation shaft is rotatably connected to the base 100.

As shown in fig. 5, the power cord 200 includes a cord body 210 and a charging connector 220, the charging connector 220 is connected to an end of the cord body 210, and the cord body 210 is wound around the winding mechanism 400.

In this embodiment, one end of the wire body 210 away from the charging connector 220 is connected to a component inside the body structure of the fan, and the charging connector 220 is connected to an external power supply.

In the present embodiment, the charging connector 220 is a three-pin power plug. In other embodiments, the charging connector 220 may be a Lightning connector, a Micro-USB connector or a Type-C connector.

In the embodiment shown in fig. 1 and 2, the base 100 includes a bottom plate 110 and a cover plate, and the bottom plate 110 and the cover plate are connected to enclose the cavity 102.

In this embodiment, the power cord 200 and the stop mechanism 300 are both disposed in the cavity 102, the outlet 101 is formed on the outer wall of the cavity 102, and the charging connector 220 is movably pulled out from the outlet 101.

In the present embodiment, the bottom plate 110 and the cover plate are integrally formed, and have high mechanical strength and good integrity. In other embodiments, the bottom plate 110 and the cover plate may be a split structure to facilitate assembly and disassembly of the components in the cavity 102.

In the embodiment shown in fig. 1, the base 100 includes a receiving cover 120, and the receiving cover 120 is disposed over the outlet 101. Through the arrangement, each component contained in the cavity 102 can be effectively protected, and dust or liquid is prevented from entering the cavity 102.

In the present embodiment, as shown in fig. 2, the storage cover 120 and the cover plate can be closed and separated, the outlet 101 can be closed by closing the storage cover 120, and the outlet 101 can be exposed by removing the storage cover 120. In other embodiments, the storage cover 120 can be further rotatably connected to the cover plate, and the outlet 101 can be exposed or closed by rotating the storage cover 120, so as to facilitate storage and convenient use.

Referring to fig. 1, an embodiment of a fan includes the chassis structure of the fan.

With this arrangement, when the power cord 200 is not used, it can be stored in the base 100 and fixed by the stop mechanism 300; when the power cord 200 needs to be used, the swing link 320 is driven to rotate, so that the power cord 200 can be fixed again through the stop mechanism 300 after being stretched or retracted relative to the base 100 to adjust the length. The user can adjust the length of power cord 200 and fixed power cord 200 at any time according to actual demand, and the user of being convenient for uses and operates.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A chassis structure of a fan, comprising:

a base (100);

a power cord (200) having one end wound in the base (100);

the stop mechanism (300) is arranged in the base (100); the stop mechanism (300) comprises a support (310), a pressure head (330) and a swing rod (320); the support (310) is fixed on the base (100), the swing rod (320) is pivoted to the support (310), the pressure head (330) is connected to the swing rod (320), and the other end of the power line (200) can penetrate through and is exposed out of the support (310);

when the swing rod (320) is in a natural state, the pressure head (330) presses the power line (200) to the support (310); the swing rod (320) can also rotate around a pivot point relative to the support (310) under the action of external force, and drives the pressure head (330) to release the power line (200), so that the power line (200) can be allowed to stretch and retract relative to the base (100).

2. The chassis structure of the fan as claimed in claim 1, wherein a pivot point of the swing link (320) and the support (310) is taken as a dividing point, and the swing link (320) is divided into a first end and a second end by the dividing point; the pressure head (330) is arranged at the first end of the swing rod (320);

the stop mechanism (300) comprises an elastic element (350), and the elastic element (350) is limited between the second end of the swing rod (320) and the support (310) and used for providing restoring force for the rotation of the swing rod (320).

3. The chassis structure of the fan according to claim 2, wherein the second end of the swing link (320) is provided with a first protruding end, a side of the support (310) facing the swing link (320) is provided with a second protruding end (311), and two ends of the elastic member (350) are respectively fixed to the first protruding end and the second protruding end (311).

4. The chassis structure of the fan as claimed in claim 2, wherein the stop mechanism (300) further comprises a button (340), the button (340) is disposed at the second end of the swing link (320), and pressing the button can drive the swing link (320) to rotate around the pivot point.

5. The chassis structure of the fan as claimed in claim 4, wherein the support (310) has a connection portion (312), and the swing link (320) is rotatably connected to the connection portion (312) and its connection point with the connection portion is the pivot point.

6. The chassis structure of the fan as claimed in claim 5, wherein the distance between the pivot point and the button (340) is 2/3 of the total length of the swing link (320).

7. The chassis structure of the fan as claimed in claim 1, wherein a groove (331) is formed on a side of the pressure head (330) facing the power cord (200), a flange (201) is formed on the periphery of the power cord (200), and the flange (201) can be clamped in the groove (331).

8. The chassis structure of the fan according to claim 7, wherein the number of the flanges (201) is plural, and the flanges (201) are arranged at intervals along an extending direction of the power cord (200).

9. The chassis structure of the fan as claimed in claim 1, wherein a side of the head (330) facing the power cord (200) is provided with a roller (332), the roller (332) being rotatable with respect to the head (330).

10. The chassis structure of the fan as claimed in claim 1, further comprising a winding mechanism (400), wherein the winding mechanism (400) is disposed in the base (100), and the power cord (200) is wound around the winding mechanism (400), and the power cord (200) can be extended and retracted relative to the base (100) by driving the winding mechanism (400).

11. The chassis structure of a fan according to claim 10, wherein said winding mechanism (400) comprises a winding disc (410) and a clockwork spring (420), said winding disc (410) being rotatably disposed in said base (100), said clockwork spring (420) being disposed in said winding disc (410); the power wire (200) is wound on the wire spool (410), and when the power wire (200) is stretched outwards, the power wire (200) drives the wire spool (410) to rotate so as to compress and wind the clockwork spring (420); when the clockwork spring (420) is relaxed and reset, the clockwork spring (420) drives the wire spool (410) to rotate in the opposite direction for resetting, and the power wire (200) is wound on the wire spool (410) again.

12. The chassis structure of the fan as claimed in claim 10, wherein the power cord (200) comprises a cord body (210) and a charging connector (220), the charging connector (220) is connected to an end of the cord body (210), and the cord body (210) is wound around the winding mechanism (400).

13. The chassis structure of the fan according to claim 12, wherein the base (100) includes a bottom plate (110) and a cover plate, the bottom plate (110) and the cover plate enclose a cavity, the power cord (200) and the stop mechanism (300) are both disposed in the cavity, an outlet (101) is formed in an outer wall of the cavity, and the charging connector (220) is movably pulled out from the outlet (101).

14. The chassis structure of a fan according to claim 13, wherein the base (100) includes a receiving cover (120), and the receiving cover (120) is provided to cover the outlet (101).

15. A fan comprising a chassis structure of a fan as claimed in any one of claims 1 to 14.