CN112412847A

CN112412847A - Fan

Info

Publication number: CN112412847A
Application number: CN202011111087.1A
Authority: CN
Inventors: 龙腾
Original assignee: Shenzhen Pudao Electrical Appliance Co ltd
Current assignee: Shenzhen Pudao Electrical Appliance Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-02-26
Anticipated expiration: 2040-10-16
Also published as: CN112412847B

Abstract

The present invention relates to a fan comprising: the fan head comprises a fan head body and a first supporting structure connected with the fan head body, wherein one end of the first supporting structure is provided with a first sleeve interface; a first internal thread is arranged on the inner side wall of the first sleeve interface; the foot disc is detachably connected with the fan head body, and a first connector is arranged on the foot disc; the first joint is provided with a first external thread matched with the first internal thread; the first conductive connection structure comprises a first conductive connection terminal and a first insertion hole inserted with the first conductive connection terminal; the first conductive connecting terminal is arranged on the first supporting structure, extends towards the first sleeve interface and is positioned on a central axis of the first supporting structure, and the first inserting hole is arranged on the first joint; or the first conductive connecting terminal is arranged on the first joint and positioned on the central line of the first joint, and the first inserting hole is arranged on the first supporting structure. The fan has the advantages of simple structure, good stability and strong reliability.

Description

Fan

Technical Field

The present invention relates to home appliances, and more particularly, to a fan.

Background

In the traditional vertical or desktop fan, the fan head and the foot disc are not electrically connected; some direct current fans currently on the market require an electrical connection between the foot plate and the fan head. However, the fan head and the foot disc of the fan are usually plugged in the market at present, and the electric connection of the fan head and the foot disc is realized by plugging two connecting terminals arranged side by side with corresponding jacks. But fan head and foot dish adopt the mode of pegging graft and the structural constraint of terminal itself for the product live time has long the terminal can become flexible, can incline even.

Disclosure of Invention

The invention aims to provide an improved fan.

The technical scheme adopted by the invention for solving the technical problems is as follows: constructing a fan comprising:

the fan head comprises a fan head body and a first supporting structure connected with the fan head body, wherein one end of the first supporting structure is provided with a first sleeve interface; a first internal thread is arranged on the inner side wall of the first sleeve interface;

the foot disc is detachably connected with the fan head body, and a first connector is arranged on the foot disc; a first external thread matched with the first internal thread is arranged on the first joint;

the first conductive connection structure comprises a first conductive connection terminal and a first insertion hole inserted with the first conductive connection terminal; the first conductive connecting terminal is arranged on the first supporting structure, extends towards the first set of interfaces and is positioned on a central axis of the first supporting structure, and the first inserting hole is formed in the first joint so that the first conductive connecting terminal can be inserted into the first joint and is in conductive connection with the first conductive connecting terminal; or the first conductive connecting terminal is arranged on the first joint and is positioned on the central line of the first joint, and the first inserting hole is arranged on the first supporting structure for the first conductive connecting terminal to be inserted and conductively connected with the first conductive connecting terminal.

Preferably, the first conductive connecting terminal comprises a plurality of electrode columns which are sequentially sleeved, and an insulating layer is arranged between two adjacent electrode columns;

and a plurality of conducting strips which are correspondingly connected with the plurality of electrode columns for conducting and/or signal transmission are arranged in the first inserting holes.

Preferably, the plurality of electrode columns comprise a first electrode column, a second electrode column sleeved on the upper part of the first electrode column, and a third electrode column sleeved on the upper part of the second electrode column;

the first electrode column, the second electrode column and the third electrode column are coaxially arranged.

Preferably, the plurality of conductive sheets include a first conductive sheet conductively connected to the first electrode column, a second conductive sheet conductively connected to the second electrode column, and a third conductive sheet conductively connected to the third electrode column.

Preferably, the first electrode column comprises a cylindrical column body and a conical insertion part arranged at one end of the column body;

the second electrode column is sleeved on the columnar body.

Preferably, a first thread sleeve in a hollow cylindrical shape is arranged in the first sleeve interface of the first support structure;

the first internal thread is arranged on the inner side wall of the first threaded sleeve;

the first joint is cylindrical.

Preferably, the first thread bush comprises a first top wall, a first side wall arranged on the first top wall and extending downwards, and a first opening arranged at one end of the first side wall and opposite to the first top wall;

the first conductive connecting terminal is encapsulated on the first top wall through injection molding.

Preferably, the foot disc comprises a chassis and a second support structure arranged on the chassis for detachable connection with the first support structure, the first joint being arranged on the second support structure.

Preferably, the second support structure is detachably connected to the chassis;

a second set of interface is arranged at one end of the second supporting structure, which is far away from the first joint; a second thread sleeve is arranged in the second sleeve interface; a second internal thread is arranged on the inner side of the second thread sleeve;

a second joint for the second thread sleeve to be sleeved in is arranged on the chassis; the outer side wall of the second joint is provided with second external threads matched with second internal threads of the second thread sleeve;

the fan further comprises a second conductive connection structure; the second conductive connecting structure comprises a second conductive connecting terminal and a second inserting hole, and the second conductive connecting terminal is arranged on the second supporting structure, extends towards the second threaded sleeve and is positioned on the central axis of the second threaded sleeve; the second plug hole is formed in the second connector, and is used for the second conductive connecting terminal to be inserted into and electrically connected with the second conductive connecting terminal so as to transmit electric signals or control signals.

Preferably, the first support structure is cylindrical;

and/or the second support structure is cylindrical.

The fan has the following beneficial effects: this fan sets up first internal thread through setting up at first set of interface, set up the external screw thread at first joint, make this fan head can with this foot dish threaded connection, and through setting up this first electrically conductive connecting terminal on the axis of this first supporting structure or this first set of interface, thereby can avoid this fan head and this foot dish not hard up with this first spliced eye grafting, and can be convenient for this fan head and this foot dish carry out the biography electricity, can improve the stability that fan head and this foot dish are connected.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a fan according to some embodiments of the present invention;

FIG. 2 is an exploded view of the fan shown in FIG. 1;

FIG. 3 is another exploded view of the fan shown in FIG. 1;

FIG. 4 is a schematic structural view of a first support structure of the fan shown in FIG. 1;

FIG. 5 is a schematic structural view of a second support structure of the fan shown in FIG. 1;

FIG. 6 is a partial cross-sectional view of the fan of FIG. 1;

FIG. 7 is a cross-sectional view of a first conductive connection terminal of the fan shown in FIG. 6;

FIG. 8 is a cross-sectional view of a conductive sheet of the fan of FIG. 6;

FIG. 9 is a schematic view of the fan shown in FIG. 1 with the second support structure and the foot plate separated;

FIG. 10 is a schematic view of a second support structure of the fan of FIG. 9 at another angle;

FIG. 11 is a structural diagram of a foot plate of the fan shown in FIG. 1;

fig. 12 is a partial sectional view of the foot plate and the second support structure of the fan shown in fig. 1.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Fig. 1 to 3 show some preferred embodiments of the fan of the present invention. The fan can be used for supplying air to play a role in heat dissipation and temperature reduction on the space. The fan has the advantages of simple structure, good stability and strong reliability.

As shown in fig. 1-3, in some embodiments, the fan may include a fan head 10 and a foot plate 20. In some embodiments, the fan head 10 can be detachably connected to the foot plate 20, and specifically, in this embodiment, the fan head 10 can be detachably connected to the foot plate 20 by providing a first thread structure. In some embodiments, the fan further comprises a first electrically conductive connection structure operable to electrically conductively connect the fan head 10 and the foot pads 20.

In some embodiments, the fan head 10 may include a fan head body 11 and a first support structure 12; the fan head body 11 may include a housing, fan blades disposed in the housing, and a driving mechanism disposed on the housing and connected to the fan blades to drive the fan blades to rotate. The first supporting structure 12 can be connected to the fan head body 11, can be cylindrical, and can be disposed lengthwise, the first supporting structure 12 can be used to support the fan head body 11, and in some embodiments, the fan head body 11 can be disposed at one end of the first supporting structure 12.

In some embodiments, the first support structure 12 may be a hollow structure, and a first socket may be disposed at one end of the first support structure 12, and the first socket may be disposed on the foot plate 20. In some embodiments, a first threaded sleeve 121 may be disposed in the first sleeve interface, the first threaded sleeve 121 may be a hollow cylindrical structure, and the first threaded sleeve 121 may include a first top wall 1211, a first side wall 1212, and a first opening. The first top wall 1211 can be circular, and the first sidewall 1212 can be disposed on the first top wall 1211 and can extend downward. The first opening may be disposed at one end of the first sidewall 1212 and may be disposed opposite to the first top wall 1211, which may be used for connecting with the foot plate 20. In some embodiments, a first via 1213 may be disposed on the first top wall 1211, and the first via 1213 may be located at a central axis of the first top wall 1211.

In some embodiments, the foot plate 20 may include a base plate 21 and a second support structure 22, and the base plate 21 may serve as a support that may be placed on a table or floor. The second supporting structure 22 may be disposed on the chassis 21, may be disposed perpendicular to the chassis 21, and may be used for supporting the fan head 10. It will be appreciated that in some embodiments, the second support structure 22 may be omitted. The base plate 21 and the second support structure 22 may be detachably connected, and in particular, in some embodiments, the base plate 21 and the second support structure 22 may be detachably connected by providing a second threaded structure. In some embodiments, the fan may further include a second conductive connection structure that may be used to removably connect the chassis 21 with the second support structure 22.

In some embodiments, the chassis 21 may include a disc-shaped body 211, a control circuit board may be disposed in the chassis 21, and the chassis 21 may be connected to an external power device through a connection line to access power to the control circuit board. It will be appreciated that in other embodiments, the bottom plate 21 may not be limited to being disc-shaped.

In some embodiments, the second support structure 22 may be cylindrical, and the second support structure 22 may be disposed lengthwise. In some embodiments, a second set of interfaces may be provided at one end of the second support structure 22, which may be used to removably connect with the chassis 21. In some embodiments, a second threaded sleeve 221 may be disposed in the second sleeve interface, the second threaded sleeve 221 may be a hollow cylindrical structure, and the second threaded sleeve 221 may include a second top wall 2211, a second side wall 2222, and a second opening. The second top wall 2211 may be circular, and the second side wall 2222 may be disposed on the second top wall 2211 and may extend downward. The second opening may be disposed at one end of the second side wall 2222, and may be disposed opposite to the second top wall 2211, which may be used to connect with the foot plate 20.

Further, in some embodiments, the foot plate 20 may have a second joint 212, specifically, in some embodiments, the second joint 212 may be disposed on the bottom plate 21 and may protrude from the disc-shaped body 211 of the bottom plate 21, which may be nested by the first socket, specifically, which may be used to detachably connect with the first threaded sleeve 121. In some embodiments, the second connector 212 may be cylindrical, although it is understood that in other embodiments, it may not be limited to being cylindrical.

Further, in some embodiments, the first thread structure may include a first internal thread 1214 and a first external thread 2212, and the first internal thread 1214 may be disposed on an inner sidewall of the first sleeve interface, and in particular, in some embodiments, may be disposed on an inner sidewall of the first threaded sleeve 121. In some embodiments, the first external thread 2212 may be disposed on the first joint 221, located on the outer sidewall of the first joint 221, and may be matched with the first internal thread 1214, so as to screw the first support structure 12 and the second support structure 22, thereby preventing the first support structure 12 and the second support structure 22 from being loosened, which may result in a first conductive connection structure being loosened, and further, may improve the stability of the connection between the fan head 10 and the foot plate 20. Further, in some embodiments, the first internal thread 1214 may not be limited to being disposed on an inner sidewall of the first set interface, the first external thread 2212 may not be limited to being disposed on the first joint 221, in some embodiments, the first threaded sleeve 121 may be disposed on the second support structure 22 such that the first internal thread 1214 is disposed on the second support structure 22, and the first joint 221 may be disposed on the first support structure 11 such that the first external thread 2212 may be disposed on the first support structure 11.

Further, in some embodiments, the first conductive connection structure may include a first conductive connection terminal 30 and a first insertion hole 2211. In some embodiments, the first conductive connection terminal 30 can be disposed on the first support structure 12 and can extend toward the first socket, and can be encapsulated on the first top wall 1211 by injection molding, and the first conductive connection terminal 30 can be located on a central axis of the first support structure, which can rotate along with the first support structure 11, thereby facilitating screwing of the first support structure 11 and the second support structure 22. In some embodiments, the first insertion hole 2211 may be disposed on the first connector 221, which may be located at a central axis of the first connector 221 and may extend along an axial direction of the first connector 221, and the first insertion hole 2211 may allow the first conductive connection terminal 30 to be inserted therein and may be electrically connected to the first conductive connection terminal 30. It is understood that, in other embodiments, the first conductive connection terminal may not be limited to being disposed on the first support structure 12, and the first insertion hole 211 may not be limited to being disposed on the first connector 221. In some embodiments, the first conductive connection terminal 30 may be disposed on the first connector 221 and located on a center line of the first connector 221, and the first insertion hole 2211 may be disposed on the first support structure 12 and located on a center axis of the first support structure 12, and may be disposed corresponding to the first conductive connection terminal 30, which is inserted into and electrically connected to the first conductive connection terminal for transmitting an electrical signal or a control signal.

Further, in some embodiments, the first conductive connection terminal 30 may be penetrated from the first top wall 1211 of the first threaded sleeve 121, and in particular, it may be penetrated from the via 1213 on the first top wall 1211. In some embodiments, the first conductive connection terminal 30 may include a plurality of electrode posts sequentially sleeved, and the plurality of electrode posts may be used for transmitting an electrical signal or a control signal. The electrode column can be made of conductive metal, an insulating layer can be arranged between two adjacent electrode columns, the insulating layer can be positioned on a contact surface of the electrode column and the other electrode column, and the insulating layer can play an insulating role.

In some embodiments, the plurality of electrode columns may include a first electrode column 31, a second electrode column 32, and a third electrode column 33, and the first electrode column 31, the second electrode column 32, and the third electrode column 33 may be coaxially disposed. The first electrode column 31 is a solid structure, and in some embodiments, the first electrode column 31 may include a cylindrical body 311 and a plug portion 312, and the cylindrical body 311 may be cylindrical and may be disposed lengthwise. The plug part 312 may be conical, the plug part 312 may be disposed at one end of the column 311, and the radial dimension of the plug part 312 may be gradually decreased toward a direction away from the column 311. In some embodiments, the plug portion 312 can be integrally formed with the column 311. Specifically, in some embodiments, the plug portion 312 and the column 311 may be integrally formed by casting. In some embodiments, the second electrode column 32 may be cylindrical, and the second electrode column 32 may be hollow and have two ends penetrating therethrough, and may be disposed on the upper portion of the first electrode column 31, specifically, the second electrode column 32 may be disposed on the column 311. The outer sidewall of the pillar 311 may be provided with an insulating layer to be insulated from the second electrode pillar 32. The length of the second electrode column 32 can be less than the length of the first electrode column 31, and the length of the second electrode column 32 is less than or equal to the length of the column 311 of the first electrode column 31. In some embodiments, the third electrode pillar 33 may be cylindrical, hollow and has two ends penetrating through, and may be sleeved on the upper portion of the second electrode pillar 32, and the length thereof may be smaller than that of the second electrode pillar 32. In some embodiments, the outer sidewall of the second electrode pillar 32 contacting the third electrode pillar 33 may be provided with an insulating layer, and thus may be provided with an insulating layer from the third electrode pillar 33.

In some embodiments, a plurality of conductive sheets may be disposed in the first insertion hole 2211, and the plurality of conductive sheets may be correspondingly connected to the plurality of electrode columns to facilitate electrical conduction and signal transmission with the electrode columns. The conductive sheet may be disposed along the longitudinal extension of the first insertion hole 2211. The conductive sheet may be a metal dome, and in some embodiments, the conductive sheet may be a copper sheet. In some embodiments, the plurality of conductive sheets may include a first conductive sheet 2213, a second conductive sheet 2214, and a third conductive sheet 2215, the length of the first conductive sheet 2213 may be less than the length of the second conductive sheet 2214, and the length of the second conductive sheet 2214 may be less than the length of the third conductive sheet 2215. The first conductive sheet 2213 can be disposed corresponding to the first electrode column 31 and can be electrically connected to the first electrode column 31, and the second conductive sheet 2214 can be disposed corresponding to the second electrode column 32 and can be electrically connected to the second electrode column 32. The third conductive sheet 2215 can be disposed corresponding to the third electrode column 33, and can be electrically connected to the third electrode column 33. It will be appreciated that in some embodiments, the electrode column and the conductive sheet may not be limited to three, which may be two or more than three. In some embodiments, a first conductive plate fixing structure 2216 may be further disposed in the first insertion hole 2211, the first conductive plate fixing structure 2216 may be used to connect the first conductive plate 2213, the second conductive plate 2214 and the third conductive plate 2215, the first conductive plate fixing structure 2216 is made of an insulating material, the first conductive plate 2213 and the second conductive plate 2214 may be inserted into the first conductive plate fixing structure 2216, and the third conductive plate 2215 may be in a hollow cylinder shape and may be sleeved on the first conductive plate fixing structure.

Further, in some embodiments, the second thread structure may include a second internal thread 2224 and a second external thread 2112, and the second internal thread 2224 may be provided in the second set of interfaces, and in particular, may be provided on an inner sidewall of the second threaded sleeve 22 in the second set of interfaces. In some embodiments, the second external thread 2112 may be disposed on an outer sidewall of the second connector 2211 of the chassis 21, which may be disposed corresponding to the second internal thread 222 to mate with the second internal thread 2224 for screwing.

Further, in some embodiments, the fan may further include a second conductive connection structure, the second conductive connection structure may include a second conductive connection terminal 40 and a second insertion hole 2111, the second conductive connection terminal 40 may be disposed on the second support structure 22, and in particular, in some embodiments, the second conductive connection terminal 40 may penetrate through the second via hole 2223 on the second top wall 2221 of the second threaded sleeve 222. The second conductive connection terminal 40 may extend toward the second threaded sleeve 222 and may be located on a central axis of the second threaded sleeve 222. Of course, it is understood that in other embodiments, the second conductive connection terminal 40 may not be limited to being disposed on the second threaded sleeve 222. In other embodiments, the second conductive connection terminal 40 may be disposed on the second tab 212. In some embodiments, the second inserting hole 2111 may be disposed on the second connector 212, which may be disposed corresponding to the second conductive connecting terminal 40, and may be used for inserting the second conductive connecting terminal 40 and electrically connecting with the second conductive connecting terminal 40 for transmitting electrical signals or control signals.

In some embodiments, the second conductive connection terminal 40 may also include a plurality of electrode pillars sequentially sleeved, and an insulating layer may be disposed between adjacent electrode pillars. The electrode column can be made of conductive metal, an insulating layer can be arranged between two adjacent electrode columns, the insulating layer can be positioned on a contact surface of the electrode column and the other electrode column, and the insulating layer can play an insulating role. The plurality of electrode columns may include a fourth electrode column 41, a fifth electrode column 42, and a sixth electrode column 43. The fourth electrode column 41 has a solid structure, and in some embodiments, the fourth electrode column 41 may include a cylindrical body 411 and a plug part 412, and the cylindrical body 411 may have a cylindrical shape and may be disposed lengthwise. The plug part 412 may be conical, the plug part 412 may be disposed at one end of the column 411, and the radial dimension of the plug part 412 may be gradually decreased toward a direction away from the column 411. In some embodiments, the plug 412 can be integrally formed with the column 411. Specifically, in some embodiments, the plug part 412 may be integrally formed with the column 411 by casting. In some embodiments, the fifth electrode column 42 may be cylindrical, and the fifth electrode column 42 may be hollow and have two ends penetrating therethrough, and may be sleeved on the upper portion of the fourth electrode column 41, specifically, the fifth electrode column 42 may be sleeved on the column 411. The outer sidewall of the pillar 411 may be provided with an insulating layer to be insulated from the fifth electrode column 42. The length of the fifth electrode column 42 can be less than the length of the fourth electrode column 41, and the length of the fifth electrode column 42 is less than or equal to the length of the column 411 of the fourth electrode column 41. In some embodiments, the sixth electrode column 43 may be cylindrical, and has a hollow structure with two ends penetrating therethrough, and the length thereof may be smaller than that of the fifth electrode column 42, and the sixth electrode column may be sleeved on the upper portion of the fifth electrode column 42. In some embodiments, the outer sidewall of the fifth electrode column 42 contacting the sixth electrode column 43 may be provided with an insulating layer, and further may be provided with an insulating layer from the sixth electrode column 43.

In some embodiments, a plurality of conductive pieces may be disposed in the second insertion hole 2121, and the plurality of conductive pieces may be correspondingly connected to the plurality of electrode columns to facilitate electrical conduction and signal transmission with the electrode columns. The conductive plate may extend along the longitudinal direction of the second insertion hole 2121. The conductive sheet may be a metal dome, and in some embodiments, the conductive sheet may be a copper sheet. In some embodiments, the plurality of conductive pieces may include a fourth conductive piece 2123, a fifth conductive piece 2124, and a sixth conductive piece 2125, the fourth conductive piece 2123 may have a length less than the fifth conductive piece 2124, and the fifth conductive piece 2124 may have a length less than the sixth conductive piece 2125. The fourth conducting strip 2123 can be disposed corresponding to the first electrode column 31 and can be electrically connected to the first electrode column 31, and the fifth conducting strip 2124 can be disposed corresponding to the second electrode column 32 and can be electrically connected to the second electrode column 32. The sixth conductive sheet 2125 can be disposed corresponding to the third electrode column 33, and can be electrically connected to the third electrode column 33. It will be appreciated that in some embodiments, the electrode column and the conductive sheet may not be limited to three, which may be two or more than three. In some embodiments, a second conductive plate fixing structure 2126 may be further disposed in the second inserting hole 2121, the second conductive plate fixing structure 2126 may be configured to connect the fourth conductive plate 2123, the fifth conductive plate 2124, and the sixth conductive plate 2125, the second conductive plate fixing structure 2126 is made of an insulating material, the fourth conductive plate 2123 and the fifth conductive plate 2124 may be inserted into the second conductive plate fixing structure, and the sixth conductive plate 2125 may be hollow and may be sleeved on the second conductive plate fixing structure 2126.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. A fan, comprising:

the fan head (10) comprises a fan head body (11) and a first supporting structure (12) connected with the fan head body (11), wherein one end of the first supporting structure (12) is provided with a first sleeve interface; a first internal thread (1214) is arranged on the inner side wall of the first sleeve interface;

the foot disc (20) is detachably connected with the fan head body (11), and a first joint (221) is arranged on the foot disc (20); a first external thread (2212) matched with the first internal thread (1214) is arranged on the first joint (221);

a first conductive connection structure including a first conductive connection terminal (30) and a first insertion hole (2211) to which the first conductive connection terminal (30) is inserted; the first conductive connecting terminal (30) is arranged on the first supporting structure (12), extends towards the first set of interfaces and is positioned on a central axis of the first supporting structure, and the first inserting hole (2211) is arranged on the first connector (221) so that the first conductive connecting terminal (30) can be inserted into the first inserting hole and is in conductive connection with the first conductive connecting terminal (30); or the first conductive connection terminal (30) is arranged on the first connector (221) and is located on the center line of the first connector (221), and the first insertion hole (2211) is arranged on the first support structure (12) for the first conductive connection terminal (30) to be inserted into and electrically connected with the first conductive connection terminal (30).

2. The fan according to claim 1, wherein the first conductive connection terminal (30) comprises a plurality of electrode posts sequentially sleeved with each other, and an insulating layer is disposed between two adjacent electrode posts;

a plurality of conducting strips which are correspondingly connected with the electrode columns for conducting and/or signal transmission are arranged in the first inserting hole (2211).

3. The fan as claimed in claim 2, wherein the plurality of electrode columns includes a first electrode column (31), a second electrode column (32) sleeved on an upper portion of the first electrode column (31), and a third electrode column (33) sleeved on an upper portion of the second electrode column (32);

the first electrode column (31), the second electrode column (32) and the third electrode column (33) are coaxially arranged.

4. The fan as claimed in claim 3, wherein the plurality of conductive sheets includes a first conductive sheet (2213) conductively connected to the first electrode column (31), a second conductive sheet (2214) conductively connected to the second electrode column (32), and a third conductive sheet (2215) conductively connected to the third electrode column (33).

5. The fan as claimed in claim 3, wherein the first electrode column (31) comprises a cylindrical body (311) and a conical insertion portion (312) provided at one end of the cylindrical body (311);

the second electrode column (32) is sleeved on the cylindrical body (311).

6. The fan according to claim 1, characterized in that a first threaded sleeve (121) having a hollow cylindrical shape is provided in the first sleeve mouth of the first support structure (12);

the first internal thread (1214) is arranged on the inner side wall of the first threaded sleeve (121);

the first joint (221) is cylindrical.

7. The fan as claimed in claim 6, wherein the first threaded sleeve (121) includes a first top wall (1211), a first side wall (1212) disposed on the first top wall (1211) and extending downward, and a first opening disposed at one end of the first side wall (1212) and disposed opposite to the first top wall (1211);

the first conductive connection terminal (30) is injection-molded and encapsulated on the first top wall (1211).

8. The fan according to claim 1, characterized in that said foot disc (20) comprises a chassis (21) and a second support structure (22) arranged on said chassis (21) to be removably connected with said first support structure (12), said first joint (221) being arranged on said second support structure (22).

9. The fan according to claim 8, characterized in that said second support structure (22) is removably connected to said chassis (21);

one end of the second supporting structure (22) is provided with a second interface, and the other end of the second supporting structure is far away from the first joint (221); a second threaded sleeve (222) is arranged in the second sleeve interface; a second internal thread (2224) is arranged on the inner side of the second thread sleeve (222);

a second joint (211) for the second threaded sleeve (222) to be sleeved in is arranged on the chassis (21); the outer side wall of the second joint (211) is provided with second external threads (2112) matched with second internal threads (2224) of the second threaded sleeve (222);

the fan further comprises a second conductive connection structure; the second conductive connection structure comprises a second conductive connection terminal (40) and a second insertion hole (2111), wherein the second conductive connection terminal (40) is arranged on the second support structure (22), extends towards the second threaded sleeve (222), and is positioned on the central axis of the second threaded sleeve (222); the second inserting hole (2111) is formed in the second connector (212) and used for inserting the second conductive connecting terminal (40) and being in conductive connection with the second conductive connecting terminal (40) so as to transmit electric signals or control signals.

10. The fan according to claim 8, characterized in that said first support structure (12) is cylindrical;

and/or the second support structure (22) is cylindrical.