CN212536146U

CN212536146U - Folding fan

Info

Publication number: CN212536146U
Application number: CN202021126021.5U
Authority: CN
Inventors: 刘超; 黎超
Original assignee: Zhongshan Boning Intelligent Technology Co ltd
Current assignee: Zhongshan Boning Intelligent Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-12
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a foldable fan, including fan head, connecting portion and handle, the fan head is used for the fanning, connecting portion connect in the bottom of fan head, the outer wall of connecting portion is provided with the installation department, the one end of handle can turn over from top to bottom turn over connect in on the installation department, work as the handle turns over when rolling over to the top, the one side laminating of handle the outer wall of fan head. The utility model discloses a handle can be folded to foldable fan, and turns over when rolling over to the top as the handle, and the fan head can be accomodate to the handle to the outer wall of the one side laminating fan head of handle, convenient to carry turns over the handle of rolling over simultaneously from top to bottom, can make the utility model discloses a foldable fan when placing on the desktop, changes the angle of fan head in a flexible way.

Description

Folding fan

Technical Field

The utility model relates to a fan technical field specifically is a foldable fan.

Background

At present, the fan variety on the market is many, but most fan all only have the fan head and fix the handle at the fan head, and the handle can't be folded and accomodate overhead at the fan, very inconvenient when leading to carrying. When the fan is placed on a desktop in Russian, because the handle is fixed, the angle of the fan head cannot be changed, a user cannot feel wind blown out from the fan at multiple angles, the practicability is poor, and therefore the foldable fan is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foldable fan overcomes shortcoming and not enough among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a foldable fan, includes fan head, connecting portion and handle, the fan head is used for the fan, connecting portion connect in the bottom of fan head, the outer wall of connecting portion is provided with the installation department, the one end of handle turn over about can turn over connect in on the installation department, work as when the handle turns over to the top, the laminating of one side of handle the outer wall of fan head.

In a preferred or alternative embodiment, the fan head comprises a fan front casing, a fan rear casing, fan blades and a drive motor; the fan front shell and the fan rear shell are matched and form a fan blade cavity together; the fan blade and the driving motor are arranged in the fan blade cavity, and the output end of the driving motor is connected with the fan blade.

In a preferred or optional embodiment, the mounting part is a projection arranged on the outer wall of the connecting part, and a mounting hole is arranged on the projection; one end of the handle is provided with a connecting column matched with the mounting hole; the connecting column is inserted in the mounting hole.

In a preferred or optional embodiment, the handle comprises an upper handle shell and a lower handle shell, and the upper handle shell and the lower handle shell are matched and jointly form a power supply accommodating cavity; the foldable fan further comprises a battery; the storage battery is arranged in the power supply accommodating cavity and is electrically connected with the driving motor.

In a preferred or optional embodiment, the connecting part is a shell with a containing cavity; the foldable fan further comprises a control circuit board and a button, the control circuit board is arranged in the accommodating cavity, and the button is arranged on the outer wall of the shell; the control circuit board is respectively electrically connected with the button, the storage battery and the driving motor.

In a preferred or optional embodiment, the connecting column is provided with a first through hole, and the power supply accommodating cavity is communicated with the accommodating cavity after passing through the first through hole, the mounting hole and the bump; the storage battery with be connected with first electric wire between the control circuit board, first electric wire one end is connected the storage battery, the other end of first electric wire is connected to after passing first through-hole and mounting hole in proper order control circuit board.

In a preferred or optional embodiment, a second through hole is arranged at the bottom of the fan blade cavity; the fan head further comprises a hollow column; the second through-hole intercommunication holding chamber and flabellum chamber, driving motor with be connected with the second electric wire between the control circuit board, the one end of second electric wire is connected control circuit board, the other end of second electric wire passes through connect behind second through-hole and the cavity post driving motor's power input end.

In a preferred or optional embodiment, the outer wall of the shell is further provided with a charging interface, and the charging interface is electrically connected with the control circuit board; and the external power supply charges the storage battery after passing through the charging interface and the control circuit board.

In a preferred or optional embodiment, the mounting hole is provided with an annular groove along the edge close to the connecting column, and an annular damping part is arranged on the annular groove; the connecting column penetrates through the annular damping piece and then is inserted into the mounting hole.

In a preferred or alternative embodiment, the other face of the handle is provided with wings extending from both sides in the width direction of the handle.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a handle can be folded to foldable fan, and turns over when rolling over to the top as the handle, and the fan head can be accomodate to the handle to the outer wall of the one side laminating fan head of handle, convenient to carry turns over the handle of rolling over simultaneously from top to bottom, can make the utility model discloses a foldable fan when placing on the desktop, changes the angle of fan head in a flexible way.

Drawings

Fig. 1 is a schematic structural view of a foldable fan according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fan head according to an embodiment of the present invention;

fig. 3 is a schematic view of a connecting portion structure according to an embodiment of the present invention;

FIG. 4 is a schematic view of the handle and the annular damping member according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a control circuit board and a button according to an embodiment of the present invention;

FIG. 6 is a schematic view of a handle according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of a fan head according to an embodiment of the present invention;

fig. 8 is a schematic view illustrating a storage state of the foldable fan according to an embodiment of the present invention;

fig. 9 is a schematic view illustrating a placement state of a foldable fan desktop according to an embodiment of the present invention;

fig. 10 is a schematic view illustrating a handheld state of a foldable fan according to an embodiment of the present invention.

In the figure: 1 fan joint, 11 fan front shells, 111 fan blade cavities, 12 fan rear shells, 13 fan blades, 14 driving motors, 15 hollow columns, 2 connecting parts, 21 mounting parts, 211 mounting holes, 212 annular grooves, 213 annular damping parts, 22 first convex blocks, 23 second convex blocks, 3 handles, 31 handle upper shells, 32 handle lower shells, 33 connecting columns, 331 first through holes, 332 second through holes, 333 wing parts, 4 storage batteries, 5 control circuit boards, 6 buttons, 7 charging interfaces and 9 anti-slip rubber pads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the foldable fan in the present embodiment includes a fan head 1, a connecting portion 2, and a handle 3. The fan head 1 is used for fanning, the connecting part 2 is connected to the bottom of the fan head 1, the outer wall of the connecting part 2 is provided with a mounting part 21, and one end of the handle 3 can be connected to the mounting part 21 in a vertically-folded mode. When the handle 3 is turned over to the upper side, one side of the handle 3 is attached to the outer wall of the fan head 1.

The fan head 1 may be a conventional micro fan head 1, and referring to fig. 2, in the embodiment, the fan head 1 includes a fan front case 11, a fan rear case 12, fan blades 13, and a driving motor 14. The front fan shell 11 and the rear fan shell 12 are both provided with hollow structures, and the hollow structures can let air pass through and are the existing structures of the fan head 1. Referring to fig. 3, the front fan housing 11 and the rear fan housing 12 cooperate to form a blade cavity 111, and the front fan housing 11 and the rear fan housing 12 can cooperate by a snap structure. The fan blade 13 and the driving motor 14 are disposed in the fan blade cavity 111, and the output end of the driving motor 14 is connected to the fan blade 13, i.e. the driving motor 14 controls the rotation of the fan blade 13.

Referring to fig. 3 and 4, in the present embodiment, the mounting portion 21 is a bump disposed on an outer wall of the connecting portion 2, and specifically, in the present embodiment, the bump is composed of a first bump 22 and a second bump 23. The first bump 22 and the second bump 23 are oppositely arranged on two sides of the connecting portion, the first bump 22 and the second bump 23 are both provided with mounting holes 211, the mounting holes 211 are provided with annular grooves 212 along the edges of the mounting holes 211 close to the connecting column 33, and the annular grooves 212 are provided with annular damping pieces 213. One end of the handle 3 is provided with a connecting column 33 which is matched with the mounting hole 211, and the connecting column 33 is inserted into the mounting hole 211 after passing through the annular damping member 213. The connecting post 33 can rotate relative to the mounting hole 211. It should be noted that the outer wall of the annular damping member 213 abuts the inner wall of the annular groove 212, and the inner wall thereof abuts the outer wall of the connecting column 33. In this embodiment, the annular damping member 213 is disposed on the annular groove 212, so that the connection post 33 and the mounting hole 211 can be more tightly fitted, that is, the handle 3 can be kept in a folded state when being folded.

Referring to fig. 4, in the present embodiment, the handle 3 includes an upper handle shell 31 and a lower handle shell 32, and the connecting column 33 is disposed at one end of the lower handle shell 32; the handle upper shell 31 and the handle lower shell 32 are matched and jointly form a power supply accommodating cavity, and the handle upper shell 31 and the handle lower shell 32 can be matched through a buckle or other matching modes. The foldable fan of this embodiment further includes a storage battery 4, and the storage battery 4 is disposed in the power supply accommodating cavity and electrically connected to the driving motor 14, that is, the storage battery 4 supplies power to the driving motor 14. In addition, the battery 4 is heavy, so that the center of gravity of the foldable fan of the present embodiment can be close to the handle 3 by the battery 4.

The connecting portion 2 of the present embodiment is a housing having a receiving cavity, and in fact, during production, a part of the connecting portion 2 is formed by injection molding integrally with the front fan housing 11, and another part of the connecting portion 2 is formed by injection molding integrally with the rear fan housing 12.

Referring to fig. 5, further, the foldable fan of the present embodiment further includes a control circuit board 5 and a button 6, the control circuit board 5 is disposed in the accommodating cavity, and the button 6 is disposed on an outer wall of the housing; the control circuit board 5 is respectively electrically connected with the button 6, the storage battery 4 and the driving motor. That is, the storage battery 4 supplies power to the driving motor through the control circuit board 5, and the button 6 may close or open the power input to the driving motor through the control circuit board 5. Furthermore, a charging interface 7 is further formed in the outer wall of the shell, and the charging interface 7 is electrically connected with the control circuit board 5; the external power supply charges the storage battery 4 through the charging interface 7 and the control circuit board 5.

The folding fan of the present embodiment achieves the above-described electrical connection by the following structure:

firstly, referring to fig. 6, a first through hole 331 is formed in the connection column 33, the power supply accommodating cavity is communicated with the accommodating cavity through the first through hole 331, the mounting hole 211 and the bump, a first wire is connected between the storage battery 4 and the control circuit board 5, one end of the first wire is connected with the storage battery 4, and the other end of the first wire sequentially passes through the first through hole 331 and the mounting hole 211 and then is connected to the control circuit board 5; next, referring to fig. 7, the bottom of the fan blade cavity 111 is provided with a second through hole 332, the fan head 1 further includes a hollow column 15, and the hollow column 15 is disposed in a vertical direction of the second through hole 332; the second through hole 332 is communicated with the accommodating cavity and the fan blade cavity 111, a second wire is connected between the driving motor and the control circuit board 5, one end of the second wire is connected with the control circuit board 5, and the other end of the second wire is connected with a power supply input end of the driving motor after passing through the second through hole 332 and the hollow column 15. It should be noted that, because the annular damping member 213 is disposed on the annular groove 212, when the connection post 33 rotates relative to the mounting hole 211, the annular damping member 213 does not affect the first wire, i.e. does not cause the first wire twisted, and meanwhile, the hollow post 15 is disposed to prevent the second wire from contacting the fan blade 13.

Referring to fig. 8-10, the handle 3 is folded to have three states:

(1) the storage state is as follows: the handle 3 is turned over to the upper side, and one side of the handle 3 is attached to the outer wall of the fan head 1.

(2) The desktop is placed: when the handle 3 extends lengthwise perpendicular to the fan head 1.

(3) A handheld state: the handle 3 is folded to the lower side.

In addition, the wing parts 333 extend from the other side of the handle 3 along the two sides of the width direction, and the wing parts 333 can make the folding fan more stable when being placed on a table top, so that a user can position and hold the folding fan when holding the folding fan. As an implementation mode, the folding fan further comprises an anti-slip rubber pad 9, the anti-slip rubber pad 9 is arranged on the other side of the handle 3, and the anti-slip rubber pad 9 can prevent the folding fan from easily slipping when the folding fan is placed on a table.

Compared with the prior art, the folding fan in the embodiment of the utility model is arranged in the handle through the storage battery, so that the air intake of the fan head is larger when the handle is not in the storage state; the gravity center of the folding fan is close to the handle, the fan head is more stable when the handle is placed on the table top, and the fan head is not easy to topple over when being in a handheld state. Meanwhile, the handle is kept in a turnover state by arranging the damping piece.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foldable fan, includes fan head (1), connecting portion (2) and handle (3), its characterized in that: connecting portion (2) connect in the bottom of fan head (1), the outer wall of connecting portion (2) is provided with installation department (21), the one end of handle (3) can turn over from top to bottom turn over connect in on installation department (21), work as when handle (3) turn over to the top, the laminating of one side of handle (3) the outer wall of fan head (1).

2. The foldable fan of claim 1, wherein: the fan head (1) comprises a fan front shell (11), a fan rear shell (12), fan blades (13) and a driving motor (14), wherein the fan front shell (11) is matched with the fan rear shell (12) and forms a fan blade cavity (111) together; flabellum (13) and driving motor (14) set up in flabellum chamber (111), just driving motor (14) output is connected flabellum (13).

3. A foldable fan according to claim 2, wherein: the mounting part (21) is a bump arranged on the outer wall of the connecting part (2), and a mounting hole (211) is formed in the bump; one end of the handle (3) is provided with a connecting column (33) matched with the mounting hole (211); the connecting column (33) is inserted into the mounting hole (211).

4. A foldable fan according to claim 3, wherein: the handle (3) comprises an upper handle shell (31) and a lower handle shell (32), and the upper handle shell (31) and the lower handle shell (32) are matched and jointly form a power supply accommodating cavity; the folding fan further comprises a storage battery (4), and the storage battery (4) is arranged in the power supply accommodating cavity and is electrically connected with the driving motor (14).

5. The foldable fan of claim 4, wherein: the connecting part (2) is a shell with an accommodating cavity; the foldable fan further comprises a control circuit board (5) and a button (6), the control circuit board (5) is arranged in the accommodating cavity, and the button (6) is arranged on the outer wall of the shell; the control circuit board (5) is electrically connected with the button (6), the storage battery (4) and the driving motor (14) respectively.

6. The foldable fan of claim 5, wherein: the connecting column (33) is provided with a first through hole (331), and the power supply accommodating cavity is communicated with the accommodating cavity after passing through the first through hole (331), the mounting hole (211) and the bump; the storage battery (4) and be connected with first electric wire between control circuit board (5), first electric wire one end is connected storage battery (4), the other end of first electric wire is connected to after passing first through-hole (331) and mounting hole (211) in proper order control circuit board (5).

7. A foldable fan according to claim 5 or 6, characterised in that: a second through hole (332) is formed in the bottom of the fan blade cavity (111); the fan head (1) further comprises a hollow column (15); the second through hole (332) communicates the accommodating cavity and the fan blade cavity (111), a second electric wire is connected between the driving motor (14) and the control circuit board (5), one end of the second electric wire is connected with the control circuit board (5), and the other end of the second electric wire passes through the second through hole (332) and the hollow column (15) and then is connected with the power input end of the driving motor (14).

8. The foldable fan of claim 7, wherein: the outer wall of the shell is further provided with a charging interface (7), and the charging interface (7) is electrically connected with the control circuit board (5); and the external power supply charges the storage battery (4) after passing through the charging interface (7) and the control circuit board (5).

9. The foldable fan of claim 8, wherein: the mounting hole (211) is provided with an annular groove (212) along the edge close to the connecting column (33), and an annular damping piece (213) is arranged on the annular groove (212); the connecting column (33) penetrates through the annular damping piece (213) and then is inserted into the mounting hole (211).

10. A foldable fan according to any one of claims 1 to 5 and 8, further comprising: and wing parts (333) extending from the other side of the handle (3) along the two sides of the width direction.