CN212959161U

CN212959161U - Portable fan

Info

Publication number: CN212959161U
Application number: CN202020856021.4U
Authority: CN
Inventors: 李迪初
Original assignee: Changfang Group Kang Mingsheng Shenzhen Technology Co ltd
Current assignee: Changfang Group Kang Mingsheng Shenzhen Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-04-13
Anticipated expiration: 2030-05-20

Abstract

The utility model provides a portable fan, including fan main part, driving motor and blade, driving motor install in the fan main part. The blade includes fixed part and two at least sub-blades, sub-blade evenly distributed in the fixed part lateral wall, the fixed part is one end open-ended drum structure. The driving motor comprises a motor body and a rotating shaft, the rotating shaft of the driving motor is connected to the center of the bottom of the fixing portion, and the motor body of the driving motor is arranged in the fixing portion. The fan main body and the position that the blade corresponds are provided with air inlet structure and air-out structure. The blades are arranged around the driving motor, the problem that the fan size is large due to the fact that the blades are connected with the motor and the thickness of the blades is overlapped is avoided, the portable fan can be thinner, the size is smaller, and the portable fan is convenient to carry.

Description

Portable fan

Technical Field

The utility model belongs to the technical field of portable fan and specifically relates to indicate a portable fan.

Background

Portable fans have received increased attention and use because they tend to sweat in work places where cooling is not available or in crowded subway cars. In the current portable fan, the blades are arranged on a driving shaft of a driving motor, and the main body size of the motor and the size of the blades are overlapped to form a larger thickness, so that the portable fan is larger in structural size and inconvenient to carry. Therefore, there is a need to further reduce the size of the portable fan for the convenience of the user.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a portable fan of a small size is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: the portable fan comprises a fan main body, a driving motor and blades, wherein the driving motor is arranged in the fan main body;

the blades comprise a fixed part and at least two sub-blades, the sub-blades are uniformly distributed on the outer side wall of the fixed part, and the fixed part is of a cylindrical structure with an opening at one end;

the driving motor comprises a motor body and a rotating shaft, the rotating shaft is connected to the center of the bottom of the fixing part, and the motor body is arranged in the fixing part;

the fan main body and the position that the blade corresponds are provided with air inlet structure and air-out structure.

Furthermore, the fan main body comprises a main body upper cover, a main body lower cover, a battery, a circuit board and a control switch, wherein the main body upper cover and the main body lower cover are buckled and connected to form a main body structure;

the air inlet structure is arranged on the lower cover of the main body, the air outlet structure is arranged on the upper cover of the main body, and the motor body of the driving motor is arranged at the central position of the air outlet structure.

Further, a mirror groove is formed in the outer side of the main body upper cover, and a plane mirror is arranged in the mirror groove.

Further, a wind shield is arranged in the fan main body and arranged on the outer side of the blade.

Furthermore, a battery positioning piece and a circuit board positioning piece are arranged in the fan main body.

Further, the battery is a rechargeable battery, a charging interface is arranged on the fan main body, and the charging interface is connected to the circuit board through a circuit.

Further, still include the support, the support set up in the outside of main part lower cover, support swing joint in the main part lower cover.

The beneficial effects of the utility model reside in that: the driving motor is arranged in the fan main body and drives the blades to run. The blade includes a plurality of sub-blades and fixed part, and the periphery at the fixed part is evenly installed to the sub-blade, and the fixed part is one end open-ended cylindric structure. The rotating shaft of the driving motor is connected with the center of the bottom of the fixing part, and the motor body of the driving motor is arranged in the cylindrical structure of the fixing part. According to the above, the utility model discloses with the blade setting around driving motor in the structure, avoided blade and motor to be connected the great problem of back thickness stack and lead to the fan size, can be with the thinness that portable fan was done, the size is littleer, portable.

Drawings

The specific structure of the present invention is detailed below with reference to the accompanying drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the present invention provides a portable fan, which includes a fan body, a driving motor 6 and blades 7. The whole structure of the fan main body is rectangular, and the end part and the edge are designed into a streamline type, so that the fan is attractive and practical. Of course, the shape of the fan body may be designed into other shapes as needed. The driving motor 6 is installed in the fan body, and the blades 7 are installed on the driving motor 6. In the utility model, in order to reduce the volume of the portable fan, the connection form of the blades 7 and the driving motor 6 is improved.

Specifically, the blade 7 includes a fixing portion 71 and a plurality of sub-blades 72, and the sub-blades 72 are uniformly distributed on an outer side wall of the fixing portion 71. The fixing portion 71 has a cylindrical structure with one end open. The driving motor 6 includes a motor body and a rotating shaft, the rotating shaft of the driving motor 6 is connected to the bottom center of the fixing portion 71, and the motor body of the driving motor 6 is disposed in the fixing portion 71, that is, in the cylindrical structure of the fixing portion 71. The fan main body is provided with an air inlet structure 21 and an air outlet structure 11 at the position corresponding to the blades 7. When the driving motor 6 drives the blades 7 to rotate, air flows in sequence from the air inlet structure 21, the blades 7 and the air outlet structure 11 to reach a user.

Therefore, the utility model discloses the advantage that the structure brought is: driving motor 6 is connected with blade 7, sets up blade 7 around driving motor 6, has avoided blade 7 and motor 6 to be connected the back thickness stack to lead to the great problem of fan size, can be with the thinner of portable fan doing, the size is littleer, portable.

Specifically, the fan main body in the present embodiment includes a main body upper cover 1, a main body lower cover 2, a battery 3, a circuit board 4, and a control switch 5. The main part upper cover 1 and the main part lower cover 2 are buckled and connected to form a main structure, the battery 3 and the circuit board 4 are installed in the fan main body, the two are arranged on one side in the fan main body as far as possible, the position is as compact as possible, the occupied space is small at the moment, the size of the portable fan can be reduced, and the portable fan is convenient to carry by a user. Be provided with air-out structure 11 on the main part upper cover 1, be provided with air inlet structure 21 on the main part lower cover 2, driving motor 6's motor body installs the central point at air-out structure 11 of main part upper cover 1 and puts, and driving motor 6 also can install on main part lower cover 2 certainly. The driving motor 6 is in circuit connection with the circuit board 4, the circuit board 4 is in circuit connection with the battery 3, the control switch 5 is in circuit connection with the circuit board 4, and the control switch 5 can control the rotation of the driving motor 6, namely, the working state of the fan. Preferably, the control switch 5 can be divided into a plurality of gears, and different blowing grades are suitable.

From the above description, the beneficial effects of the present invention are: the driving motor is arranged in the fan main body and drives the blades to run. The blade includes a plurality of sub-blades and fixed part, and the periphery at the fixed part is evenly installed to the sub-blade, and the fixed part is one end open-ended cylindric structure. The rotating shaft of the driving motor is connected with the center of the bottom of the fixing part, and the motor body of the driving motor is arranged in the cylindrical structure of the fixing part. According to the above, the utility model discloses with the blade setting around driving motor in the structure, avoided blade and motor to be connected the great problem of back thickness stack and lead to the fan size, can be with the thinness that portable fan was done, the size is littleer, portable.

Example 1

A tidy appearance instrument is popular among people during work, and women who love beauty often need to pay attention to whether makeup of the women is interfered by sweat to influence the image of the women in the process of using a portable fan to cool in a workplace with inadequate cooling. Therefore, in the present invention, a mirror groove 12 is provided on the outer side of the main body upper cover 1, and a plane mirror 8 is provided in the mirror groove 12. When the user is using the portable fan, the user can check his or her image using the plane mirror 8. The plane mirror 8 does not occupy space, and is convenient and practical.

In use, when the blades 7 are moved by the driving motor 6, the surfaces of the blades 7 generate a thrust and a centrifugal force to the air, so that the air can be blown toward a user. Part of the air moves toward the fan body around the blades 7 by centrifugal force and is blown toward the user by the difference in air pressure. In order to better blow air to users during the rotation of the blades 7, the wind energy utilization efficiency is improved. In this embodiment, a wind guard 9 is provided in the fan main body. The wind shield 9 is arranged on one side of the blade 7, and forms a closed space around the blade 7 together with the fan main body, so that air under the centrifugal action is blown to a user as much as possible, and the wind energy utilization efficiency is further improved.

The battery 3 and the circuit board 4 are arranged in the fan main body, and the battery 3 and the circuit board 4 are inevitably shaken, collided and even dropped during use, so that the battery 3 and the circuit board 4 need to be restrained, and the circuit damage is prevented from influencing the working performance of the portable fan. In the present embodiment, a battery positioning member 31 and a circuit board positioning member are provided in the fan main body. When the main body upper cover 1 and the main body lower cover 2 are fastened and connected, the battery 3 and the circuit board 4 can be stably restrained in the fan main body.

Specifically, when the portable fan is supplied with power through the battery 3 in the use process, the battery 3 adopts a rechargeable battery, the charging interface 32 is arranged on the fan main body, and the charging interface 32 is in circuit connection with the circuit board 4, so that the use of a user is facilitated. The charging interface 32 may adopt a microB interface, a typeC interface, or the like.

Example 2

At present, portable fans on the market are various, and the portable fans are convenient for users to hold, but cannot be independently placed on a desktop for use. When the fan is used by being placed on a table, a special pedestal is needed, and the volume of the fan is increased. In this embodiment, be provided with the support in the outside of main part lower cover 2, support swing joint in main part lower cover 2 can expand the support when using, can lock behind the main part on cover 2 when not using, reduces occupation space. Preferably, the position of the bracket is provided with a receiving groove, when the bracket is buckled on the lower cover 2 of the main body, the bracket is just positioned in the receiving groove, and the shape and the size of the receiving groove are matched with the bracket.

To sum up, the utility model provides a portable fan, driving motor install in the fan main part, and driving motor drives the operation of blade. The blade includes a plurality of sub-blades and fixed part, and the periphery at the fixed part is evenly installed to the sub-blade, and the fixed part is one end open-ended cylindric structure. The rotating shaft of the driving motor is connected with the center of the bottom of the fixing part, and the motor body of the driving motor is arranged in the cylindrical structure of the fixing part. According to the above, the utility model discloses with the blade setting around driving motor in the structure, avoided blade and motor to be connected the great problem of back thickness stack and lead to the fan size, can be with the thinness that portable fan was done, the size is littleer, portable. The mirror is arranged, so that the user can conveniently check the makeup. And a wind shield is also arranged, so that the wind energy utilization efficiency can be increased. Meanwhile, the table top is also provided with a support, so that the table top can be used.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A portable fan, characterized in that: the fan comprises a fan main body, a driving motor and blades, wherein the driving motor is arranged in the fan main body;

2. The portable fan of claim 1, wherein: the fan main body comprises a main body upper cover, a main body lower cover, a battery, a circuit board and a control switch, wherein the main body upper cover and the main body lower cover are buckled and connected to form a main body structure;

3. The portable fan of claim 2, wherein: the outside of main part upper cover is provided with the mirror groove, be provided with the level crossing in the mirror groove.

4. The portable fan of claim 1, wherein: a wind shield is arranged in the fan main body and arranged on the outer side of the blade.

5. The portable fan of claim 2, wherein: a battery positioning piece and a circuit board positioning piece are arranged in the fan main body.

6. The portable fan of claim 2, wherein: the battery is rechargeable battery, be provided with the interface that charges on the fan main part, the interface circuit connection that charges is in the circuit board.

7. The portable fan of claim 2, wherein: the support is arranged on the outer side of the lower body cover and movably connected with the lower body cover.