CN216518750U

CN216518750U - Foldable and rotatable handheld fan

Info

Publication number: CN216518750U
Application number: CN202123019946.7U
Authority: CN
Inventors: 李伟汉
Original assignee: Individual
Current assignee: Li Weihan; Shenzhen Zouyuan Technology Co.,Ltd.
Priority date: 2021-12-04
Filing date: 2021-12-04
Publication date: 2022-05-13
Anticipated expiration: 2031-12-04

Abstract

The utility model discloses a foldable and rotatable handheld fan which comprises a shell, a rotating handle, a PCB (printed circuit board), a lithium battery, a brush motor and a fan blade assembly, wherein an accommodating cavity is arranged in the shell, the lithium battery is arranged in the accommodating cavity, the brush motor is arranged at the top of the lithium battery, the brush motor is connected with the fan blade assembly through an output shaft, the PCB is arranged at the side end of the lithium battery, the PCB and the brush motor are respectively and electrically connected with the lithium battery, a slotted hole is formed in the shell, a connecting column is arranged on the rotating handle, and the rotating handle is connected with the slotted hole through the connecting column. In the foldable and rotatable handheld fan, the brush motor can drive the fan blade assembly to rotate through the output shaft, so that the fan blade assembly generates air volume, the rotating handle can rotate to adjust the angle through rotation, a user can conveniently adjust the angle to the optimal angle for use, when the fan is used up, the rotating handle can rotate and the shell can be folded, so that the fan is convenient to store, and the fan is high in practicability.

Description

Foldable and rotatable handheld fan

Technical Field

The utility model relates to the technical field of handheld fans, in particular to a foldable and rotatable handheld fan.

Background

The handheld fan is a fan that can be held by the palm, and is a rechargeable mobile fan, and in the conventional technology, the handheld fan of adoption all adopts fixed cylindricality handle, unable adjustment handle's angle, will be difficult to adjust to the most comfortable angle of user's use, adopt fixed handle to bring certain restriction and inconvenience for the user when accomodating and carrying, in addition, the unable angle regulation of flabellum and folding accomodating of tradition adoption, cause the harm of flabellum and influence the use of fan easily when depositing and accomodating.

Therefore, in order to achieve convenient and reasonable use of the handheld fan, a set of foldable and rotatable handheld fan needs to be designed.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the foldable and rotatable handheld fan is provided, wherein the handle angle can be rotatably adjusted, and the fan blade angle can be adjusted.

The technical scheme of the utility model is as follows: a foldable and rotatable handheld fan comprises a shell, a rotating handle, a PCB (printed circuit board), a lithium battery, a brush motor and a fan blade assembly, wherein a containing cavity is arranged in the shell, the lithium battery is arranged in the containing cavity, the brush motor is arranged at the top of the lithium battery, the brush motor is connected with the fan blade assembly through an output shaft, the PCB is arranged at the side end of the lithium battery, the PCB and the brush motor are respectively and electrically connected with the lithium battery, a slotted hole is formed in the shell, a connecting column is arranged on the rotating handle, and the rotating handle is connected with the slotted hole through the connecting column;

the fan blade assembly comprises a plurality of groups of fan blades and a fixing cover, a plurality of groups of connecting shafts and through grooves are arranged in the fixing cover, the connecting shafts are respectively arranged on the left side and the right side of the fixing cover, the through grooves are arranged between the connecting shafts, the fan blades are respectively sleeved on the connecting shafts, and the through grooves are connected with output shafts of the brush motors.

By adopting the technical scheme, in the foldable and rotatable handheld fan, the PCB is respectively provided with the USB output module and the charging module, the USB output module is arranged on one side of the PCB, the charging module is arranged on the other side of the PCB, and the USB output module and the charging module are respectively and electrically connected with the PCB.

By adopting the technical scheme, soft rubber pads are respectively arranged on the front side and the rear side of the rotating handle in the foldable and rotatable handheld fan.

By adopting the technical scheme, in the foldable and rotatable handheld fan, the PCB is further provided with a switch key, and the switch key is arranged at the side end of the charging module.

By adopting the technical scheme, in the foldable and rotatable handheld fan, the shell comprises an upper shell and a lower shell, a clamping block is arranged at the side end of the upper shell, a groove is arranged at the side end of the lower shell, and the clamping block is connected with the groove in a clamping manner.

Compared with the prior art, the utility model has the following beneficial effects:

by adopting the technical scheme, in the foldable and rotatable handheld fan, the brush motor can drive the fan blade assembly to rotate through the output shaft, so that the fan blade assembly generates air volume, the rotating handle can be rotated to adjust the angle, a user can conveniently adjust the angle to the optimal angle for use, the rotating handle can be rotated and the shell can be folded after the fan is used, the fan is convenient to store and carry, and the practicability is high; in the fan blade assembly, a user can adjust the angle of the fan blades, so that the fan blades can be conveniently folded and stored after the fan is used up, and the phenomenon that the service life of the fan is influenced because the fan blades are damaged when the fan is carried is prevented; USB output module's setting, the charging wire that has USB socket is connected to the accessible supplies power to other electronic equipment, realizes the multi-functional use of fan, and when the inside electric quantity of lithium cell used up, the accessible module of charging charges to the lithium cell to make lithium cell repeatedly usable, guarantee the feature of environmental protection of fan.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded schematic view of the present invention;

FIG. 3 is a schematic view of the fixing cover structure of the present invention;

FIG. 4 is a schematic diagram of a PCB structure of the present invention;

fig. 5 is a schematic structural diagram of the housing of the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, a collapsible rotatory handheld fan, includes casing 1, twist grip 2, PCB board 3, lithium cell 4, has brush motor 5 and fan blade assembly 6, be equipped with in the casing 1 and hold cavity 10, lithium cell 4 is located and is held in cavity 10, there is brush motor 5 to locate lithium cell 4 top, there be brush motor 5 through the output shaft with fan blade assembly 6 connects, lithium cell 4 side is located to PCB board 3, PCB board 3 and have brush motor 5 respectively with lithium cell 4 through electric connection, be equipped with slotted hole 11 on the casing 1, be equipped with spliced pole 20 on the twist grip 2, twist grip 2 passes through spliced pole 20 and is connected with slotted hole 11. In this embodiment, there is brush motor 5 accessible output shaft to drive 6 rotations of flabellum subassembly, makes 6 productions amount of wind of flabellum subassembly, 2 accessible rotation angle regulation angles of twist grip to the user of being convenient for adjusts to best angle and uses, can rotate twist grip 2 after having used up and fold with casing 1, is convenient for accomodate and carries, and the practicality is strong.

As shown in fig. 2 and 3, the fan blade assembly 6 includes a plurality of sets of fan blades 60 and a fixing cover 61, a plurality of sets of connecting shafts 610 and through grooves 611 are disposed in the fixing cover 61, the connecting shafts 610 are respectively disposed on the left and right sides of the fixing cover 61, the through grooves 611 are disposed between the connecting shafts 610, the fan blades 60 are respectively sleeved on the connecting shafts 610, and the through grooves 611 are connected to the output shaft of the brush motor 5. In this embodiment, the user can adjust the angle of flabellum 60 to be convenient for the fan use up the back can fold and accomodate flabellum 60, flabellum 60 when preventing to carry receives the harm and influences the life of fan.

As shown in fig. 4, preferably, the PCB 3 is provided with a USB output module 30 and a charging module 31, the USB output module 30 is disposed on one side of the PCB 3, the charging module 31 is disposed on the other side of the PCB 3, and the USB output module 30 and the charging module 31 are electrically connected to the PCB 3 respectively. In this embodiment, USB output module 30's setting, the charging wire that has USB socket is connected to the accessible supplies power to other electronic equipment, makes the fan carry out multi-functional use, and when the inside electric quantity of lithium cell 4 used up, accessible charging module 31 charges lithium cell 4 to make lithium cell 4 repeatedly usable, guarantee the feature of environmental protection of fan.

As shown in fig. 2, preferably, soft rubber pads 7 are respectively provided on the front and rear sides of the rotating handle 2. In this embodiment, the setting of soft glue pad 7 can increase the frictional force of twist grip 2 when handheld, and the hand appears smooth when preventing to use, and the security is high.

As shown in fig. 4, preferably, a switch button 32 is further disposed on the PCB 3, and the switch button 32 is disposed at a side end of the charging module 31.

As shown in fig. 5, preferably, the housing 1 includes an upper housing 12 and a lower housing 13, a latch 120 is disposed at a side end of the upper housing 12, a groove 130 is disposed at a side end of the lower housing 13, and the latch 120 is connected to the groove 130 by a snap fit.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A foldable and rotatable hand-held fan, comprising: the lithium battery brush comprises a shell, a rotating handle, a PCB (printed circuit board), a lithium battery, a brush motor and a fan blade assembly, wherein an accommodating cavity is arranged in the shell, the lithium battery is arranged in the accommodating cavity, the brush motor is arranged at the top of the lithium battery and is connected with the fan blade assembly through an output shaft, the PCB is arranged at the side end of the lithium battery, the PCB and the brush motor are respectively and electrically connected with the lithium battery, a slotted hole is formed in the shell, a connecting column is arranged on the rotating handle, and the rotating handle is connected with the slotted hole through the connecting column;

2. The foldable rotating handheld fan of claim 1, wherein: the PCB is provided with a USB output module and a charging module respectively, the USB output module is arranged on one side of the PCB, the charging module is arranged on the other side of the PCB, and the USB output module and the charging module are electrically connected with the PCB respectively.

3. The foldable rotating handheld fan of claim 1, wherein: soft rubber pads are respectively arranged on the front side and the rear side of the rotating handle.

4. The foldable rotating handheld fan of claim 2, wherein: still be equipped with the switch button on the PCB board, just the switch button is located the module side that charges.

5. The foldable rotating handheld fan of claim 1, wherein: the shell comprises an upper shell and a lower shell, a clamping block is arranged at the side end of the upper shell, a groove is formed in the side end of the lower shell, and the clamping block is connected with the groove in a clamping mode.