Handheld fan

Abstract

The utility model belongs to the technical field of household appliances, and particularly relates to a handheld fan which comprises a shell, a handle, a battery, a mainboard, a motor and a fan body, the handle is arranged on the side wall of the shell and communicated with the interior of the handle, an air outlet is formed in one end of the shell, a battery installation assembly is arranged in the shell, and the battery installation assembly is connected with the mainboard. The battery installation assembly comprises a battery box and a battery cover, the battery is arranged in the battery box, a motor frame used for installing the motor on the fan is arranged in the handle, and the motor frame is communicated with the battery box. The wiring structure has the technical effects that the internal wiring space is enlarged, wiring is convenient and reliable, and wire pressing, wire folding and wire grinding are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of household appliances, and specifically relates to a handheld fan. Background Art

[0002] Bladeless fans are popular among consumers because they can produce natural and continuous cool breezes, have no strange blade shapes, and have a simple and beautiful appearance. Handheld bladeless fans have an electric motor in the handle that draws air into the fan handle, accelerates the airflow through the unique air duct design in the handle, and then blows it out at high speed through the annular opening of the bladeless fan head. Compared with traditional fans, handheld bladeless fans mainly add an air outlet ring design, manufacturing and assembly links, and the cost has not increased significantly.

[0003] The batteries of most handheld fans on the market are placed in the handle. In order to make the handheld fan small and exquisite, the handle is often set to be relatively small so that it is easy to hold with one hand. This leads to a serious lack of wiring space for battery components in the handle. The wiring is installed blindly during the installation process, which is prone to problems such as wire pressing, wire bending, and wire grinding. Currently, most handheld fans on the market have a large space on the head, and this space has not been well improved and developed, and has not been effectively utilized. Utility Model Content

[0004] The utility model provides a handheld fan to solve the problem of insufficient space such as battery devices in the handle, which is prone to the problem of pressing, folding, and grinding.

[0005] The technical solution adopted by the utility model is:

[0006] A handheld fan comprises a shell, a handle, a battery, a mainboard, a motor and a fan, wherein the handle is arranged on the side wall of the shell and is connected with the interior of the handle, an air outlet is arranged at one end of the shell, a battery installation assembly is arranged inside the shell, the battery installation assembly comprises a battery box and a battery cover, the battery is arranged inside the battery box, a motor frame for installing the motor on the fan is arranged in the handle, and the motor frame is connected with the battery box.

[0007] Through the above technical solution, by reasonably selecting the size of the motor blades and coordinating the air duct design, the basic air outlet performance of the handheld fan can be achieved. The large space of the head can be used to increase the battery volume to increase the battery capacity and increase the battery life, while also ensuring the requirements of a small and exquisite appearance. In addition, by utilizing the large space of the head, the control panel and battery devices can be placed on the head, and at the same time, a larger space is provided for the electrical connection between the various components, so that the wiring space is increased, the wiring is convenient and reliable, and the problems of wire pressing, wire folding, and wire grinding are reduced.

[0008] Preferably, the front end of the battery box is closed, the rear end of the battery cover is closed, the main board is arranged outside the front end wall of the battery box, a certain distance is set between the side walls of the battery box and the side walls of the outer shell, and a first wiring hole is opened on the front end wall of the battery box for electrical connection between the battery and the main board.

[0009] Through the above technical solution, the main board is arranged outside the battery box, so that the space inside the shell can be further utilized, the integration of the internal components of the shell is improved, and the distance between the battery box and the shell allows the wind in the handle to be blown out through the space between the battery box and the shell, thereby increasing the wind force. The first wiring hole is opened on the front end wall of the battery box, which provides a certain space for the electrical connection between the battery and the main board, thereby reducing the wear of the connecting wire.

[0010] Preferably, a flange extending radially outward is provided on the side wall of the battery box, a plurality of first connecting holes are formed on the flange, and a first claw opposite to the first connecting hole is provided at the front end of the battery cover, the first claw is engaged in the first connecting hole to detachably connect the battery box and the battery cover.

[0011] Through the above technical solution, the flange is used to radially limit the battery box and the outer shell, so that the connection between the battery box and the outer shell is more stable, and the battery cover and the battery box are snapped together through the first claw and the first connecting hole, so that the connection between the battery box and the battery cover is stable, and the installation and disassembly between the battery box and the battery cover are also convenient, which makes battery replacement and operation inside the battery box more convenient.

[0012] Preferably, a plurality of limiting tabs are convexly provided on the inner side wall of the housing, and the flange abuts through the plurality of limiting tabs to limit the housing and the battery box axially.

[0013] Through the above technical solution, the position of the flange is limited by the limit plate, which can effectively limit the axial position between the battery box and the shell, so that the position of the battery box in the shell is more precise, which is convenient for the subsequent installation of other components.

[0014] Preferably, a ring edge is protruding outwardly on the front end surface of the battery box, a plurality of mainboard support ribs are radially extended on the inner side wall of the ring edge, a plurality of notches are opened on the mainboard, and the mainboard is circumferentially positioned by the mainboard support ribs.

[0015] Through the above technical solution, a space for placing the mainboard is formed between the ring edge and the front end wall of the battery box, and the mainboard is limited circumferentially by using the supporting ribs and the notch on the mainboard. This makes the installation posture of the mainboard more precise and reduces the displacement of the mainboard after installation, which causes the connecting wire to be offset, thereby reducing the wear on the connecting wire.

[0016] Preferably, the top of the motor frame is open, a plurality of second connecting holes are provided on the side wall of the motor frame, a plurality of second claws are protruding outwardly from the side wall of the battery box, the second claws extend into the interior of the motor frame and engage with the second connecting holes to detachably connect the motor frame to the battery box.

[0017] Through the above technical solution, the second claw and the second connecting hole are used to realize the detachable connection between the motor frame and the battery box, which ensures the stable connection between the battery box and the motor frame and makes the installation and disassembly of the handheld fan more convenient.

[0018] Preferably, the motor is arranged on the outer bottom wall of the motor frame, and a second wiring hole is provided on the bottom wall of the motor frame for electrical connection between the motor and the main board.

[0019] Through the above technical solution, the motor is arranged outside the motor frame, the overall diameter of the handle is reduced, and it is convenient for the user to hold it. A second wiring hole is opened on the bottom wall of the motor frame to facilitate the electrical connection between the motor and the main board. At the same time, the space inside the motor frame is utilized to provide installation space for the motor's connecting wires, thereby avoiding wear of the motor's connecting wires.

[0020] Preferably, a plurality of motor fixing columns are provided on the side walls of the motor frame for radial positioning with the handle.

[0021] Through the above technical solution, the positioning columns on the motor frame can be used to perform radial positioning between the motor frame and the handle, making the installation of the motor frame and the handle more precise. At the same time, the fixing columns are used to form a certain space between the motor frame and the handle, which facilitates the circulation of air from the handle to the casing, thereby increasing the wind force of the fan.

[0022] Preferably, a plurality of limiting ribs are provided on the inner side wall of the handle to limit the handle and the motor frame, and the limiting ribs include a first limiting portion and a second limiting portion which are interconnected at one end, the first limiting portion performs axial limiting, and the second limiting portion performs radial limiting.

[0023] Through the above technical solution, the cooperation of the limiting ribs and the motor fixing column is utilized to limit the handle and the motor frame axially and circumferentially, and the positioning of the handle is more facilitated during the installation of the handle, thereby improving the installation accuracy.

[0024] Preferably, it also includes a display window, a plurality of third claws are protruding outwardly from the display window, a third connecting hole corresponding to the third claws is opened on the front end wall of the battery box, and the third claws extend into the third connecting hole to fix the display window and the battery box.

[0025] Through the above technical solution, the display window can be used to cover the mainboard and other components inside the shell, thereby protecting the various components inside the shell from external influences and making it easier to observe the fan condition; the third claw and the third connecting hole make it easier to install and disassemble the display window.

[0026] Due to the adoption of the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0027] 1. The basic air outlet performance of a handheld fan can be achieved by reasonably selecting the size of the motor blades and coordinating the air duct design. The large space in the head can be used to enlarge the battery volume to increase the battery capacity and battery life, while also ensuring the compact and exquisite appearance. In addition, the control panel and battery components can be placed in the head by utilizing the large space in the head, while also providing more space for the electrical connection between the various components, thereby increasing the wiring space, making the wiring convenient and reliable, and reducing the problems of wire pressing, wire folding, and wire grinding;

[0028] 2. The mainboard is arranged outside the battery box, so that the space inside the shell is further utilized, and the integration of the internal parts of the shell is improved. Through the distance between the battery box and the shell, the wind in the handle can be blown out through the space between the battery box and the shell, thereby increasing the wind force. The front end wall of the battery box is provided with a first wiring hole, which provides a certain space for the electrical connection between the battery and the mainboard, thereby reducing the wear of the connecting wire;

[0029] 3. The motor is arranged outside the motor frame, which reduces the overall diameter of the handle and is convenient for the user to hold. A second wiring hole is opened on the bottom wall of the motor frame to facilitate the electrical connection between the motor and the main board. At the same time, the space inside the motor frame is utilized to provide installation space for the motor's connecting wires, thereby avoiding wear of the motor's connecting wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0031] Figure 1 It is a cross-sectional view of a handheld fan of the present application.

[0032] Figure 2It is a structural diagram for connecting the battery box and the motor frame in the embodiment of the present application.

[0033] Figure 3 It is a structural diagram of the battery box in the embodiment of the present application.

[0034] Figure 4 It is the bottom structure diagram of the battery box in the embodiment of the present application.

[0035] Figure 5 It is a structural diagram of the battery cover in the embodiment of the present application.

[0036] Figure 6 It is a structural diagram of the housing in the embodiment of the present application.

[0037] Figure 7 It is a structural diagram of the mainboard in the embodiment of the present application.

[0038] Figure 8 This is a diagram of the motor frame structure in the embodiment of the present application.

[0039] Fig. 9 This is the bottom structure diagram of the motor frame in the embodiment of the present application

[0040] Fig.10 It is a schematic diagram of the handle structure in the embodiment of the present application.

[0041] Fig.11 It is a schematic diagram of the display window structure in the embodiment of the present application.

[0042] Description of reference numerals:

[0043] 1. Shell; 11. Air outlet; 12. Limiting plate; 2. Handle; 21. Limiting rib; 211. First limiting part; 212. Second limiting part; 22. Connecting part; 3. Battery; 4. Mainboard; 41. Notch; 5. Motor; 6. Fan; 7. Battery mounting assembly; 71. Battery box; 711. First wiring hole; 712. Flange; 7121. First connecting hole; 713. Ring edge; 714. Mainboard supporting rib; 715. Second clamping claw; 716. Third connecting hole; 717. Second bolt protrusion; 72. Battery cover; 721. First clamping claw; 8. Motor frame; 81. Second connecting hole; 82. Second wiring hole; 83. Motor fixing column; 84. First bolt protrusion; 9. Display window; 91. Third clamping claw. DETAILED DESCRIPTION

[0044] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0045] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present invention and the features in each embodiment may be combined with each other without conflict.

[0046] In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0047] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0049] refer to Figure 1-Figure 11A handheld fan includes a housing 1, a handle 2, a battery 3, a mainboard 4, a motor 5 and a fan 6. The handle 2 is arranged on the side wall of the housing 1 and communicated with the inside of the handle 2. An air outlet 11 is arranged at one end of the housing 1, and the other end of the housing 1 is opened. A battery mounting assembly 7 is arranged inside the housing 1. The battery mounting assembly 7 includes a battery box 71 and a battery 3 cover. The battery 3 is arranged inside the battery box 71. A motor frame 8 for mounting the motor 5 on the fan 6 is arranged in the handle 2. The motor frame 8 is communicated with the battery box 71. The handle 2 is communicated with the housing 1, so that air can flow from the handle 2 to the housing 1 and blow out from the air outlet 11.

[0050] By reasonably selecting the size of the fan blades of the motor 5 and coordinating the air duct design, the basic air outlet performance of the handheld fan can be achieved. The large space of the head can be used to increase the volume of the battery 3 to increase the capacity of the battery 3 and increase the battery life, while also ensuring the requirements of a compact and exquisite appearance. In addition, by utilizing the large space of the shell 1, the control board and the battery 3 devices can be placed on the head, and at the same time, a larger space is provided for the electrical connection between the various components, so that the wiring space is increased, the wiring is convenient and reliable, and the problems of wire pressing, wire folding, and wire grinding are reduced.

[0051] The front end of the battery box 71 is closed, and the rear end of the battery 3 cover is closed. When the battery box 71 and the battery 3 cover are buckled, they can form a hollow shell that covers the battery 3 inside. The main board 4 is arranged outside the front end wall of the battery box 71, and a certain distance is set between the side wall of the battery box 71 and the side wall of the shell 1 to facilitate air circulation. A first wiring hole 711 is opened on the front end wall of the battery box 71 for electrical connection between the battery 3 and the main board 4. The connecting wire between the battery box 71 and the main board 4 is connected to the terminal of the battery 3 at one end, and the other end extends out of the battery box 71 through the first wiring hole 711 and is connected to the main board 4.

[0052] The main board 4 is arranged outside the battery box 71, so that the space inside the shell 1 can be further utilized, and the integration of the internal components of the shell 1 is improved. Through the distance between the battery box 71 and the shell 1, the wind in the handle 2 can be blown out through the space between the battery box 71 and the shell 1, thereby increasing the wind force. The front end wall of the battery box 71 opens a first wiring hole 711, which provides a certain space for the electrical connection between the battery 3 and the main board 4, thereby reducing the wear of the connecting wire.

[0053] The side wall of the battery box 71 is provided with a flange 712 extending radially outwardly thereof, and the flange 712 is provided with a plurality of first connection holes 7121, which are arranged at intervals along the circumference of the flange 712. The front end of the battery 3 cover is provided with a plurality of first claws 721, and the number of the first claws 721 and the first connection holes 7121 are the same and their meanings are opposite. When the battery 3 cover moves toward the direction close to the battery box 71 and makes the first claws 721 opposite to the first connection holes 7121, the first claws 721 are engaged in the first connection holes 7121 to detachably connect the battery box 71 and the battery 3 cover.

[0054] The flange 712 is used to radially limit the battery box 71 and the outer shell 1, so that the connection between the battery box 71 and the outer shell 1 is more stable, and the battery 3 cover and the battery box 71 are snapped together through the first claw 721 and the first connecting hole 7121, so that the connection between the battery box 71 and the battery 3 cover is stable, and the installation and disassembly between the battery box 71 and the battery 3 cover are also convenient, making the replacement of the battery 3 and the operation of the inside of the battery box 71 more convenient.

[0055] A plurality of limiting tabs 12 are convexly provided on the inner side wall of the housing 1 , and the plurality of limiting tabs 12 are arranged along the circumferential direction of the housing 1 , and the flange 712 abuts through the plurality of limiting tabs 12 to limit the housing 1 and the battery box 71 axially.

[0056] By limiting the position of the flange 712 using the limiting piece 12 , the axial position between the battery box 71 and the housing 1 can be effectively limited, so that the position of the battery box 71 in the housing 1 is more precise, which is convenient for the subsequent installation of other components.

[0057] A ring edge 713 is protruding outwardly on the front end surface of the battery box 71, and a plurality of mainboard support ribs 714 are radially extended on the inner side wall of the ring edge 713. The mainboard support ribs 714 are arranged along the diameter direction of the battery box 71. A plurality of notches 41 are provided on the mainboard 4. The number of notches 41 is the same as that of the mainboard support ribs 714 and they are opposite to each other. The mainboard support ribs 714 can be inserted into the notches 41 so that the mainboard 4 is circumferentially positioned by the mainboard support ribs 714.

[0058] A space for placing the main board 4 is formed between the ring edge 713 and the front end wall of the battery box 71. At the same time, the main board 4 is limited circumferentially by using the supporting ribs and the notch 41 on the main board 4. This makes the installation posture of the main board 4 more precise and reduces the displacement of the main board 4 after installation, which causes the connecting wire to be offset, thereby reducing the wear on the connecting wire.

[0059] The top of the motor frame 8 is open, and a plurality of second connecting holes 81 are provided on the side wall of the motor frame 8. A plurality of second claws 715 are protruding outwardly from the side wall of the battery box 71. The second claws 715 extend into the interior of the motor frame 8 and engage with the second connecting holes 81 to detachably connect the motor frame 8 to the battery box 71.

[0060] The second claw 715 and the second connecting hole 81 are used to realize a detachable connection between the motor frame 8 and the battery box 71, which ensures a stable connection between the battery box 71 and the motor frame 8 and makes the installation and disassembly of the handheld fan more convenient.

[0061] The motor 5 is arranged on the outer bottom wall of the motor frame 8 , and a second wiring hole 82 is provided on the bottom wall of the motor frame 8 for electrical connection between the motor 5 and the main board 4 .

[0062] The motor 5 is arranged outside the motor frame 8, which reduces the overall diameter of the handle 2 and is convenient for the user to hold. A second wiring hole 82 is opened on the bottom wall of the motor frame 8 to facilitate the electrical connection between the motor 5 and the main board 4. At the same time, the space inside the motor frame 8 is utilized to provide installation space for the connecting wires of the motor 5, thereby avoiding wear of the connecting wires of the motor 5.

[0063] A plurality of motor fixing posts 83 are provided on the side walls of the motor frame 8 for radial positioning with the handle 2 .

[0064] The positioning columns on the motor frame 8 can be used to radially position the motor frame 8 and the handle 2, making the installation of the motor frame 8 and the handle 2 more precise. At the same time, the fixing columns are used to form a certain space between the motor frame 8 and the handle 2, which facilitates the air circulation from the handle 2 to the housing 1 and improves the wind force of the fan 6.

[0065] A plurality of limiting ribs 21 are arranged on the inner side wall of the handle 2 to limit the handle 2 and the motor frame 8. The limiting rib 21 includes a first limiting portion 211 and a second limiting portion 212 which are interconnected at one end. The length direction of the first limiting portion 211 is arranged along the circumference of the handle 2 and axially limits the motor fixing column 83. The length direction of the second limiting portion 212 is arranged along the axial direction of the handle 2 and the second limiting portion 212 performs circumferential limiting.

[0066] By utilizing the cooperation of the limiting ribs 21 and the motor fixing column 83, the handle 2 and the motor frame 8 are limited axially and circumferentially, and the positioning of the handle 2 is more facilitated during the installation of the handle 2, thereby improving the installation accuracy.

[0067] It also includes a display window 9, which has a plurality of third claws 91 protruding outwardly therefrom. A third connecting hole 716 corresponding to the third claws 91 is provided on the front end wall of the battery box 71. The third claws 91 extend into the third connecting hole 716 to secure the display window 9 to the battery box 71.

[0068] The display window 9 can be used to cover the mainboard 4 and other components inside the shell 1, thereby protecting the various components inside the shell 1 from external influences and making it convenient to observe the condition of the fan 6; the third claw 91 and the third connecting hole 716 make it easier to install and disassemble the display window 9.

[0069] During the connection process, the motor 5 is first fixed on the motor frame 8, and then the motor 5 wire is passed through the second connecting hole 81 of the motor frame 8 to the inside of the motor frame 8, and then the motor frame 8 is connected to the battery box 71 through the second clamping claw 715, and the motor 5 wire is passed through the first connecting hole 7121 and connected to the main board 4, thereby completing the routing of the motor 5.

[0070] The top of the side wall of the motor frame 8 is fixedly provided with a first bolt protrusion 84, the top surface of the housing 1 is convexly fixed with a connecting portion 22, and the end of the battery box 71 is integrally provided with a second bolt protrusion 717. First, the handle 2 is inserted into the housing 1 from bottom to top along the direction of the axis of the motor 5, and the handle 2 is rotated until the click fixing column is stuck between the first limiting portion 211 and the second limiting portion 212, and the first bolt protrusion 84, the connecting portion 22 and the second bolt protrusion 717 are opposite, and then the second bolt protrusion 717, the connecting portion 22 and the first bolt protrusion 84 are penetrated by a screw to bolt the battery box 71, the handle 2 and the motor frame 8 together.

[0071] The parts not described in the present invention can be realized by adopting or drawing on the existing technology.

[0072] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0073] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A handheld fan, comprising a housing (1), a handle (2), a battery (3), a mainboard (4), a motor (5) and a fan (6), wherein the handle (2) is arranged on a side wall of the housing (1) and communicates with the interior of the handle (2), and an air outlet (11) is arranged at one end of the housing (1), characterized in that: A battery (3) mounting assembly is arranged inside the housing (1), the battery (3) mounting assembly comprises a battery box (71) and a battery (3) cover, the battery (3) is arranged inside the battery box (71), a motor frame (8) for mounting the motor (5) on the fan (6) is arranged in the handle (2), and the motor frame (8) is connected to the battery (3) mounting assembly.

2. A handheld fan according to claim 1, characterized in that: The front end of the battery box (71) is closed, the rear end of the battery (3) cover is closed, the main board (4) is arranged outside the front end wall of the battery box (71), the inner side wall of the battery box (71) is arranged at a certain distance from the side wall of the battery (3), and the front end wall of the battery box (71) is provided with a first wiring hole (711) for electrically connecting the battery (3) and the main board (4).

3. A handheld fan according to claim 1, characterized in that: A flange (712) is arranged on the side wall of the battery box (71) and is arranged along the radial outward extension thereof. A plurality of first connection holes (7121) are provided on the flange (712). A first clamping claw (721) is arranged opposite to the first connection hole (7121) at the front end of the battery (3) cover. The first clamping claw (721) is clamped in the first connection hole (7121) so as to detachably connect the battery box (71) and the battery (3) cover.

4. A handheld fan according to claim 3, characterized in that: A plurality of limiting plates (12) are protrudingly provided on the inner side wall of the outer shell (1), and the flange (712) is abutted by the plurality of limiting plates (12) to limit the axial position of the outer shell (1) and the battery box (71).

5. A handheld fan according to claim 1, characterized in that: The front end surface of the battery box (71) is provided with an annular edge (713) protruding outwardly, and the inner side wall of the annular edge (713) is provided with a plurality of mainboard (4) supporting ribs extending radially, and the mainboard (4) is provided with a plurality of notches (41), and the mainboard (4) is circumferentially positioned by the mainboard (4) supporting ribs.

6. A handheld fan according to claim 1, characterized in that: The motor frame (8) is open at the top, a plurality of second connection holes (81) are provided on the side wall of the motor frame (8), a plurality of second clamping claws (715) are protruding outwardly from the side wall of the battery box (71), and the second clamping claws (715) extend into the interior of the motor frame (8) and are clamped with the second connection holes (81) to detachably connect the motor frame (8) and the battery box (71).

7. A handheld fan according to claim 1, characterized in that: The motor (5) is arranged on the outer bottom wall of the motor frame (8), and a second wiring hole (82) is opened on the bottom wall of the motor frame (8) for electrical connection between the motor (5) and the main board (4).

8. A handheld fan according to claim 1, characterized in that: A plurality of motor fixing columns (83) are arranged on the side wall of the motor frame (8) so as to be radially positioned with the handle (2).

9. A handheld fan according to claim 8, characterized in that: A plurality of limiting ribs (21) are provided on the inner side wall of the handle (2) to limit the handle (2) and the motor frame (8); the limiting ribs (21) include a first limiting portion (211) and a second limiting portion (212) which are connected to each other at one end; the first limiting portion (211) is used for axial limiting, and the second limiting portion (212) is used for radial limiting.

10. The handheld fan according to claim 1, characterized in that: It also comprises a display window (9), a plurality of third claws (91) are protruding outwardly from the display window (9), a third connection hole (716) corresponding to the third claws (91) is opened on the front end wall of the battery box (71), and the third claws (91) extend into the third connection hole (716) to fix the display window (9) and the battery box (71) together.

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