Handheld high-speed fan

Abstract

The handheld high-speed fan comprises a handle, a cylinder assembly and an electric control assembly, the cylinder assembly comprises a front cover, a front cylinder and a rear cylinder which are detachable, the cylinder assembly is vertically installed at the top of the handle, a containing box is arranged in the rear cylinder, and the electric control assembly is arranged in the containing box. The electric control assembly comprises a main control circuit board installed in the containing box, a battery installed in the handle, a display screen installed on the surface of the handle, a power interface installed in the handle, an adjusting button used for adjusting and controlling the wind speed, a motor installed in the containing box and a switch movably arranged in the containing box. The battery, the display screen, the power interface, the adjusting button, the motor and the switch are electrically connected with the main control circuit board; compared with a traditional mode of adopting fastening screws, the handheld high-speed fan has the advantages that the rear cover, the handle, the front barrel and the rear barrel are convenient to mount and dismount, and mounting and dismounting can be achieved without using a large number of fastening screws.

Description

Technical Field

[0001] The utility model relates to the field of fans, in particular to a handheld high-speed fan. Background Art

[0002] A handheld high-speed fan, as the name suggests, is a high-speed fan designed for handheld use. It is usually small in size, lightweight, easy to carry, and can provide users with fast and strong cool air. It is very suitable for use outdoors or indoors in hot weather. The uses of handheld high-speed fans are very wide, including but not limited to the following aspects: Outdoor cooling: During outdoor activities such as hiking, picnics, camping, etc., a handheld high-speed fan can quickly bring coolness and relieve the discomfort caused by high temperatures. Commuting companion: On the way to and from get off work, especially in the hot summer, a handheld high-speed fan can provide users with instant cool breeze and relieve the stress caused by high temperatures and crowded environments. Office leisure: In the office or at home, a handheld high-speed fan can be used as a small air circulation device to help users stay comfortable and improve work efficiency.

[0003] Existing handheld high-speed fans also have the following drawbacks: They are inconvenient to install and disassemble. Key components of the fan, such as the front cover, front barrel, rear barrel, and rear cover, typically require installation by screws. This involves drilling holes in the fan's surface and tightening the screws. While this installation method is stable, the assembly and disassembly process is cumbersome, making installation and disassembly difficult and affecting the fan's aesthetics. Replacing or repairing components such as the fan's main control circuit board, motor, and fan blades requires significant time and effort to remove and reinstall the screws. Furthermore, tools such as screwdrivers are required, which is very cumbersome and increases maintenance costs and operational difficulty. The installation method using screws is inconvenient for both installation and disassembly. Utility Model Content

[0004] In order to overcome the deficiencies of existing technical solutions, the utility model provides a handheld high-speed fan, which can effectively solve the technical problem that existing fans are inconvenient to install and disassemble.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a handheld high-speed fan, comprising a handle, a cylinder assembly and an electronic control assembly, the cylinder assembly comprising a detachable front cover, a front cylinder and a rear cylinder, the cylinder assembly being vertically mounted on the top of the handle, a storage box being provided inside the rear cylinder, the electronic control assembly comprising a main control circuit board mounted inside the storage box, a battery mounted inside the handle, a display screen mounted on the surface of the handle, a power interface mounted inside the handle, an adjustment button for adjusting and controlling the wind speed, a motor mounted inside the storage box and a switch movably provided on the storage box, the battery, display screen, power interface, adjustment button, motor and switch being electrically connected to the main control circuit board, a fan blade being provided at the output end of the motor, an air duct for circulating air being formed between the front cylinder and the rear cylinder, an air inlet being provided at one end of the rear cylinder, an air outlet being provided at one end of the front cylinder, the air duct being connected to the air inlet and the air outlet respectively, and when the motor drives the fan blade to blow air, The airflow flows through the air inlet and the air duct into the rear tube, and the airflow flows through the air duct and is discharged from the air outlet through the front tube. The storage box is provided with a detachable rear cover, the storage box extends outward to form a locking portion, and a protruding arc-shaped locking block is provided at one end of the storage box close to the locking portion. The edge of the rear cover extends outward to form a plug-in portion, and the edge of the rear cover extends outward to form a snap-fit ​​block. The snap-fit ​​block is provided with a bayonet corresponding to the position of the arc-shaped locking block and matched for snap-fit ​​connection. The edge of the rear tube protrudes to form a snap-fit ​​plate with an opening, and the edge of the front tube protrudes to form a protruding block that is snap-fitted with the snap-fit ​​plate. The inner wall of the front tube protrudes outward to form a mounting portion, and the inner wall of the front tube and the mounting portion are recessed inward to form a mounting groove. The inner wall of the front tube is provided with a conductive screw hole. A connecting plate is installed inside the handle by a screw, and one end of the connecting plate extends to form a connecting block perpendicular to the connecting plate. The connecting block is provided with a circular hole corresponding to the position of the screw hole, and the connecting block is inserted into the mounting groove.

[0006] Furthermore, the inner wall of the receiving box extends outward to form a plurality of convex columns of a hollow structure, and the convex columns are used to support and install the main control circuit board.

[0007] Furthermore, the inner wall of the accommodating box extends outward to form a limiting plate, a limiting groove is formed between the limiting plate and the accommodating box, the edge of the rear cover extends outward to form a limiting block, and the limiting block is inserted into the limiting groove to achieve limiting.

[0008] Furthermore, a fixing groove extending along the length direction of the rear tube is provided on the side surface of the rear tube, and a fixing strip extending along the length direction of the front tube is provided on the inner wall of the front tube, and the fixing strip slides into the interior of the fixing groove.

[0009] Furthermore, a positioning groove for installing a display screen and a receiving groove for installing a power interface are provided on the surface of the handle.

[0010] Furthermore, the inner wall of the front cylinder protrudes to form a plurality of mounting blocks, and the surface of the front cover protrudes to form a plurality of snap-in strips corresponding to the positions of the mounting blocks and matingly snapping into the mounting blocks.

[0011] Furthermore, a detachable battery cover is provided at the bottom of the handle.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the handheld high-speed fan of the present invention is provided with a detachable rear cover in the storage box, which is assembled through the snap-fitting portion, the arc-shaped clamping block, the plug-in portion, the buckle block and the bayonet, thereby realizing the installation and disassembly of the rear cover and the storage box; the installation and disassembly of the rear cylinder and the front cylinder are realized by providing a buckle plate on the rear cylinder and a protruding block on the front cylinder for assembly; the installation and disassembly of the front cylinder and the handle are realized by providing a mounting portion, a mounting and screw hole on the front cylinder and providing a connecting plate, a connecting block and a round hole on the handle for assembly; compared with the traditional method of using fastening screws, it is convenient to install and disassemble the rear cover, handle, front cylinder and rear cylinder, and installation and disassembly can be realized without using a large number of fastening screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A perspective view of the front end of the handheld high-speed fan of the present invention;

[0014] Figure 2 A perspective view of the rear end of the handheld high-speed fan of the present invention;

[0015] Figure 3 This is a three-dimensional diagram of the rear cover of the handheld high-speed fan of the present invention;

[0016] Figure 4 A perspective view of the front end of the rear cylinder of the handheld high-speed fan of the present invention;

[0017] Figure 5 A perspective view of the rear end of the rear cylinder of the handheld high-speed fan of the present invention;

[0018] Figure 6 A three-dimensional diagram of the bottom end of the front tube of the handheld high-speed fan of the present invention;

[0019] Figure 7 This is a three-dimensional diagram of the front tube and front cover of the handheld high-speed fan of the present invention;

[0020] Figure 8 This is a three-dimensional diagram of the front tube and connecting plate of the handheld high-speed fan of the present invention;

[0021] Figure 9 A three-dimensional diagram of the handle of the handheld high-speed fan of the present invention;

[0022] Figure 10This is a bottom view of the handheld high-speed fan of the present invention.

[0023] Numbers in the figure:

[0024] 1-Front cover; 2-Front tube; 3-Rear tube; 4-Handle; 5-Rear cover; 6-Air inlet; 7-Air outlet; 8-Air duct; 9-Positioning slot; 10-Accommodating slot; 11-Switch; 12-Adjustment button; 13-Battery cover; 14-Plug-in part; 15-Limiting block; 16-Snap-fit ​​block; 17-Battery socket; 18-Fixed slot; 19-Accommodating box; 20-Snap-fit ​​plate; 21-Circular hole; 22-Connecting block; 23-Limiting slot; 24-Snap-fit ​​part; 25-Arc-shaped snap-fit ​​block; 26-Boss; 27-Fixed bar; 28-Mounting part; 29-Screw hole; 30-Mounting slot; 31-Protruding block; 33-Mounting block; 34-Snap-fit ​​bar; 35-Connecting plate; 36-Limiting plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] like Figures 1-10As shown, the utility model provides a handheld high-speed fan, including a handle 4, a cylinder assembly and an electronic control assembly, the cylinder assembly including a detachable front cover 1, a front cylinder 2 and a rear cylinder 3, the cylinder assembly is vertically mounted on the top of the handle 4, a storage box 19 is provided inside the rear cylinder 3, the electronic control assembly includes a main control circuit board (not shown) installed inside the storage box 19, a battery (not shown) installed inside the handle 4, a display screen (not shown) installed on the surface of the handle 4, a power interface (not shown) installed inside the handle 4, an adjustment button 12 for adjusting the wind speed, and a battery (not shown) installed in the storage box 19. The internal motor (not shown) and the switch 11 movably arranged in the receiving box 19, the battery (not shown), the display screen (not shown), the power interface (not shown), the adjustment button 12, the motor (not shown) and the switch 11 are all electrically connected to the main control circuit board (not shown), the output end of the motor (not shown) is provided with a fan blade (not shown), and an air duct 8 for circulating air is formed between the front tube 2 and the rear tube 3. An air inlet 6 is provided at one end of the rear tube 3, and an air outlet 7 is provided at one end of the front tube 2. The air duct 8 is respectively connected to the air inlet 6 and the air outlet 7. When the motor (not shown) drives When the fan blades (not shown) are blowing, the wind flows through the air inlet 6, through the air duct 8, and into the rear tube 3. The wind flows through the air duct 8 and is discharged from the air outlet 7 through the front tube 2. The storage box 19 is provided with a detachable rear cover 5. The storage box 19 extends outward to form a snap-fit ​​portion 24. One end of the storage box 19 close to the snap-fit ​​portion 24 is provided with a protruding arc-shaped block 25. The edge of the rear cover 5 extends outward to form a plug-in portion 14. The edge of the rear cover 5 extends outward to form a snap-fit ​​block 16. The snap-fit ​​block 16 is provided with a bayonet 17 corresponding to the position of the arc-shaped block 25 and paired for snap-fit ​​connection. The edge of the rear tube 3 protrudes A snap-fit ​​plate 20 with an opening is formed, and a protruding block 31 is protruded from the edge of the front tube 2 to be snapped into the snap-fit ​​plate 20. The inner wall of the front tube 2 protrudes outward and extends to form a mounting portion 28. The inner wall of the front tube 2 and the mounting portion 28 are recessed inward to form a mounting groove 30. The inner wall of the front tube 2 is provided with a conductive screw hole 29. A connecting plate 35 is installed inside the handle 4 by screws. One end of the connecting plate 35 extends to form a connecting block 22 that is perpendicular to the connecting plate 35. The connecting block 22 is provided with a circular hole 21 corresponding to the position of the screw hole 29, and the connecting block 22 is inserted into the mounting groove 30.

[0027] When the rear tube 3 is assembled with the front tube 2, the snap-fit ​​plate 20 and the protruding block 31 are engaged with each other, thereby achieving a firm connection between the rear tube 3 and the front tube 2, which facilitates the installation and disassembly of the front tube 2 and the rear tube 3. When the handle 4 is assembled with the front tube 2, the connecting block 22 is inserted into the mounting groove 30 and fixed by screws passing through the round hole 21 and the screw hole 29, thereby achieving a firm connection between the front tube 2 and the handle 4, which facilitates the installation and disassembly of the front tube 2 and the handle 4. When the rear cover 5 is assembled with the accommodating box 19, the rear cover 5 is inserted into the accommodating box 19 through the plug-in portion 14, and is engaged and connected with the arc-shaped block 25 through the bayonet 17 on the snap-fit ​​block 16, thereby achieving a firm connection between the rear cover 5 and the accommodating box 19, which facilitates the installation and disassembly of the rear cover 5 and the accommodating box 19.

[0028] The inner wall of the accommodating box 19 extends outward to form several bosses 26 of a hollow structure, and the bosses 26 are used to support and install the main control circuit board (not shown). When installing the main control circuit board (not shown), the motor (not shown) is assembled inside the accommodating box 19 so that the output end of the motor (not shown) passes through the accommodating box 19, and the fan blade (not shown) is installed at the output end of the motor (not shown). The main control circuit board (not shown) is installed to the accommodating box 19, and the bosses 26 are screwed in to achieve the installation and fixation of the main control circuit board (not shown). The inner wall of the accommodating box 19 extends outward to form a limit plate 36, and a limit groove 23 is formed between the limit plate 36 and the accommodating box 19. The edge of the back cover 5 extends outward to form a limit block 15, and the limit block 15 is inserted into the inside of the limit groove 23 to achieve limitation. The limit block 15 is inserted into the inside of the limit groove 23 to achieve limitation, which further enhances the back cover 5 and the accommodating box. The connection stability between the storage box 19, the side of the rear tube 3 is provided with a fixing groove 18 extending along the length direction of the rear tube 3, and the inner wall of the front tube 2 is provided with a fixing strip 27 extending along the length direction of the front tube 2, and the fixing strip 27 slides into the inside of the fixing groove 18. During assembly, the fixing strip 27 slides into the inside of the fixing groove 18, further enhancing the connection stability between the rear tube 3 and the front tube 2. The surface of the handle 4 is provided with a positioning groove 9 for installing a display screen (not shown) and a receiving groove 10 for installing a power interface (not shown). The inner wall of the front tube 2 protrudes to form a number of mounting blocks 33, and the surface of the front cover 1 protrudes to form a number of snap-in strips 34 corresponding to the position of the mounting blocks 33 and matingly snapping into the mounting blocks 33, which can facilitate the disassembly of the front cover 1, and the bottom of the handle 4 is provided with a detachable battery cover 13, which is convenient for users to replace batteries (not shown).

[0029] A battery (not shown) is installed inside the handle 4 for providing power to the main control circuit board (not shown). A display screen (not shown) and a power interface (not shown) are installed on the surface of the handle 4. The display screen (not shown) is used to display information such as wind speed. The adjustment button 12 is used to adjust the wind speed. The motor (not shown) generates wind flow by driving the fan blades (not shown) provided at the output end, so that the fan can blow air. The switch 11 is used to turn it on or off. The working principle of the fan blowing air belongs to the existing technology and will not be elaborated on here.

[0030] The handheld high-speed fan of this embodiment has a detachable rear cover 5 in the accommodating box 19, which is assembled through the snap-fitting portion 24, the arc-shaped clamping block 25, the plug-in portion 14, the snap-fitting block 16 and the bayonet 17, thereby realizing the installation and disassembly of the rear cover 5 and the accommodating box 19. The installation and disassembly of the rear cylinder 3 and the front cylinder 2 are realized by providing a snap-fitting plate 20 on the rear cylinder 3 and a protruding block 31 on the front cylinder 2. The installation and disassembly of the front cylinder 2 and the handle 4 are realized by providing a mounting portion 28, a mounting and screw hole 29 on the front cylinder 2 and providing a connecting plate 35, a connecting block 22 and a circular hole 21 on the handle 4. Compared with the traditional method of using fastening screws, the rear cover 5, the handle 4, the front cylinder 2 and the rear cylinder 3 are convenient to install and disassemble, and installation and disassembly can be realized without using a large number of fastening screws.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description. It is intended that all variations within the meaning and range of equivalents of the claims be encompassed within the present invention, and any reference numerals in the claims should not be construed as limiting the claims to which they relate.

Claims

1. A handheld high-speed fan, comprising a handle, a cylinder assembly and an electronic control assembly, wherein the cylinder assembly comprises a detachable front cover, a front cylinder and a rear cylinder, the cylinder assembly being vertically mounted on the top of the handle, a storage box being provided inside the rear cylinder, the electronic control assembly comprising a main control circuit board mounted inside the storage box, a battery mounted inside the handle, a display screen mounted on the surface of the handle, a power interface mounted inside the handle, an adjustment button for adjusting the wind speed, a motor mounted inside the storage box and a switch movably provided on the storage box, the battery, display screen, power interface, adjustment button, motor and switch being electrically connected to the main control circuit board, a fan blade being provided at the output end of the motor, an air duct for circulating air being formed between the front cylinder and the rear cylinder, an air inlet being provided at one end of the rear cylinder, an air outlet being provided at one end of the front cylinder, the air duct being connected to the air inlet and the air outlet respectively, and when the motor drives the fan blades to blow air, the air flows through the air inlet through the air duct into the rear cylinder, and the air flows through the air duct through the front cylinder and is discharged from the air outlet, wherein: The cam is provided with a detachable rear cover, the rear cover extending outwardly to form a locking portion, the rear cover having an end near the locking portion provided with a protruding arc-shaped locking block, the edge of the rear cover extending outwardly to form a plug-in portion, the edge of the rear cover extending outwardly to form a snap-fitting block, the snap-fitting block is provided with a bayonet corresponding to the position of the arc-shaped locking block and matched for snap-fitting connection, the edge of the rear tube protrudes to form a snap-fitting plate with an opening, the edge of the front tube protrudes to form a protruding block that is snap-fitted to the snap-fitting plate, the inner wall of the front tube protrudes outwardly to form a mounting portion, the inner wall of the front tube and the mounting portion are recessed inwardly to form a mounting groove, the inner wall of the front tube is provided with a conductive screw hole, the interior of the handle is fixed with a connecting plate by a screw, one end of the connecting plate extends to form a connecting block perpendicular to the connecting plate, the connecting block is provided with a circular hole corresponding to the position of the screw hole, and the connecting block is inserted into the mounting groove.

2. The handheld high-speed fan according to claim 1, characterized in that: The inner wall of the accommodating box extends outward to form a plurality of convex columns of a hollow structure, and the convex columns are used to support and install the main control circuit board.

3. The handheld high-speed fan according to claim 1, characterized in that: The inner wall of the accommodating box extends outward to form a limiting plate, a limiting groove is formed between the limiting plate and the accommodating box, and the edge of the rear cover extends outward to form a limiting block, which is inserted into the limiting groove to achieve limiting.

4. The handheld high-speed fan according to claim 1, characterized in that: The side surface of the rear tube is provided with a fixing groove extending along the length direction of the rear tube, and the inner wall of the front tube is provided with a fixing strip extending along the length direction of the front tube, and the fixing strip slides into the interior of the fixing groove.

5. The handheld high-speed fan according to claim 1, characterized in that: The surface of the handle is provided with a positioning groove for installing the display screen and a receiving groove for installing the power interface.

6. The handheld high-speed fan according to any one of claims 1 to 5, characterized in that: The inner wall of the front cylinder protrudes to form a plurality of mounting blocks, and the surface of the front cover protrudes to form a plurality of snap-in strips corresponding to the positions of the mounting blocks and matingly snapping into the mounting blocks.

7. The handheld high-speed fan according to any one of claims 1 to 5, characterized in that: A detachable battery cover is provided at the bottom of the handle.

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