High-stability handheld fan

Abstract

The high-stability handheld fan comprises a fan head, a fan body and a bottom shell which are sequentially arranged from top to bottom, a connecting plate is arranged on the lower surface of the fan head, a limiting step is formed between the connecting plate and the fan head, the connecting plate is provided with a plurality of connecting columns, a bearing plate is arranged on the upper surface of the fan body, and a limiting groove is formed between the bearing plate and the side wall of the fan body. The bearing plate is provided with connecting holes with the same number as the connecting columns, when the fan head is connected with the fan body, the connecting columns are inserted into the connecting holes, the limiting steps are arranged in the limiting grooves, the limiting steps are in close fit with the limiting grooves, and the fan head and the fan body can be connected together by inserting the connecting columns into the connecting holes. By means of the structure, stable connection of the fan head and the fan body can be guaranteed, through close fit between the limiting step and the limiting groove, the assembling gap generated when the fan head and the fan body are connected can be reduced, the fan head can be prevented from shaking, the stability is high, the risk of head breakage is reduced, and the product durability is improved.

Description

Technical Field

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

[0002] In fixed indoor spaces, air conditioning and large fan technologies are becoming more and more mature, and can indeed achieve a good cooling effect. However, in some specific occasions, such as outdoors, travel, student dormitories, etc., small, portable, and hands-free fans are more in line with people's needs. Therefore, in the past two years, more and more small fans have emerged. The fan head and fan body of existing handheld fans are generally directly connected through a bayonet, which will have a shaking gap, low stability, and the risk of breakage. The product is not durable enough. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, a high-stability handheld fan is provided to reduce the assembly gap, improve the stability of the fan, and increase the durability of the product.

[0004] The utility model is implemented by the following technical solutions:

[0005] A high-stability handheld fan includes a fan head, a fan body and a bottom shell arranged in sequence from top to bottom. A connecting plate is provided on the lower surface of the fan head, and a limiting step is formed between the connecting plate and the fan head. The connecting plate is provided with a plurality of connecting columns. A supporting plate is provided on the upper surface of the fan body, and a limiting groove is formed between the supporting plate and the side wall of the fan body. The supporting plate is provided with connecting holes with the same number as the connecting columns. When the fan head is connected to the fan body, the connecting columns are inserted into the connecting holes, and the limiting steps are placed in the limiting grooves. The limiting steps are tightly matched with the limiting grooves.

[0006] Furthermore, an air outlet and an air inlet are respectively provided on the front and rear sides of the fan head, a fan blade is provided inside the fan head between the air outlet and the air inlet, and a refrigeration component is provided on the side wall of the fan head near the air outlet.

[0007] Furthermore, a pressure surface is provided on the fan blade, and an air guide surface located on the fan head is provided between the fan blade and the air inlet.

[0008] Furthermore, the pressurizing surface and the air guiding surface both increase radially in the direction from the air inlet to the air outlet.

[0009] Furthermore, a battery is provided in the fan body.

[0010] Furthermore, a mainboard is provided on the lower surface of the fan head, the mainboard is inserted into the fan body, a first mainboard is provided on the mainboard, a start switch for controlling the start of the fan is provided on the first mainboard, and the battery is electrically connected to the first mainboard.

[0011] Furthermore, a second main board is provided on the fan head, a refrigeration switch for controlling the refrigeration component and a charging interface for charging the battery are provided on the second main board, and the second main board is electrically connected to the battery.

[0012] Furthermore, the fan body and the bottom shell are clamped together.

[0013] Furthermore, a mounting cavity is provided at the bottom of the bottom shell, and a hideable hook structure is provided in the mounting cavity.

[0014] Furthermore, the hook structure includes a hook plate placed in the installation cavity, the hook plate is provided with a mounting hole for connecting to the bottom shell, a hook is rotatably connected to the hook plate, a movable hook is provided on the hook, a hanging portion is formed between the hook and one end of the movable hook, and a spring is provided between the hook and the other end of the movable hook.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. By inserting the connecting column into the connecting hole, the fan head and the fan body can be connected together, thereby ensuring a stable connection between the fan head and the fan body;

[0017] 2. The tight fit between the limiting step and the limiting groove can reduce the assembly gap when connecting the fan head and the fan body, thereby preventing the fan head from shaking, increasing stability, reducing the risk of head breakage, and increasing product durability;

[0018] 3. The air blown out can be cooled by the refrigeration component, so that the fan can be used for rapid cooling;

[0019] 4. By setting a radially increasing pressure surface and air guide surface from the air inlet to the air outlet, the air flow rate can be accelerated;

[0020] 5. The fan can be conveniently hung by setting a hook, and the hook can be conveniently stored in the installation cavity by rotating it. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the cross-section structure;

[0024] Figure 3 Schematic diagram of the back structure;

[0025] Figure 4 Schematic diagram of the fan head structure;

[0026] Figure 5 This is a schematic diagram of the fan structure;

[0027] Figure 6 Schematic diagram of the hook structure. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," and "outer," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] like Figure 1-6 As shown, the utility model is a high-stability handheld fan, comprising a fan head 1, a fan body 2 and a bottom shell 3 arranged in sequence from top to bottom. A connecting plate 41 is provided on the lower surface of the fan head 1, a limiting step 42 is formed between the connecting plate 41 and the fan head 1, and a plurality of connecting columns 43 are provided on the connecting plate 41. A supporting plate 51 is provided on the upper surface of the fan body 2, and a limiting groove 52 is formed between the supporting plate 51 and the side wall of the fan body 2. The supporting plate 51 is provided with connecting holes 53 with the same number as the connecting columns 43. When the fan head 1 is connected to the fan body 2, the connecting columns 43 are inserted into the connecting holes 53. By inserting the connecting columns 43 into the connecting holes 53, the fan head 1 and the fan body can be connected. 2 are connected together, thereby ensuring the stable connection between the fan head 1 and the fan body 2. After the connecting column 43 is inserted into the connecting hole 53, the fixing screw can be screwed into the lower end of the connecting column 43, thereby preventing the connecting column 43 from falling off from the connecting hole 53, thereby ensuring the connection between the fan head 1 and the fan body 2. The limiting step 42 is placed in the limiting groove 52, and the limiting step 42 is tightly matched with the limiting groove 52. Through the tight fit between the limiting step 42 and the limiting groove 52, the assembly gap when the fan head 1 and the fan body 2 are connected can be reduced, thereby preventing the fan head 1 from shaking, having higher stability, reducing the risk of breakage, and increasing product durability.

[0031] Specifically, an air outlet 7 and an air inlet 6 are respectively provided on the front and rear sides of the fan head 1. A fan blade 9 is provided between the air outlet 7 and the air inlet 6 inside the fan head 1. A refrigeration component 8 is provided on the side wall of the fan head 1 near the air outlet 7. When in use, under the action of the fan blade 9, air enters through the air inlet 6, and then the wind is blown out from the air outlet 7. A refrigeration component 8 is provided near the air outlet 7. The refrigeration component 8 can cool the blown air, so that the fan can be used for rapid cooling.

[0032] Specifically, a pressure surface 101 is provided on the fan blade 9, and a wind guide surface 102 is provided on the fan head 1 between the fan blade 9 and the air inlet 6. The pressure surface 101 and the wind guide surface 102 both increase radially in the direction from the air inlet 6 to the air outlet 7. By setting the pressure surface 101 and the wind guide surface 102 that increase radially in the direction from the air inlet 6 to the air outlet 7, the wind flow rate can be accelerated.

[0033] Specifically, a battery 14 is provided in the fan body 2, which can be used to power the fan. A main frame 13 is provided on the lower surface of the fan head 1, which is inserted into the fan body 2. A first main board 111 is provided on the main frame 13, and a start switch 112 for controlling the start of the fan is provided on the first main board 111. The start switch 112 can be used to control the opening and closing of the fan. The battery 14 is electrically connected to the first main board 111. A second main board 83 is provided on the fan head 1, and a refrigeration switch 81 for controlling the refrigeration component 8 and a charging interface 82 for charging the battery 14 are provided on the second main board 83. The second main board 83 is electrically connected to the battery 14, and can be used to control the opening and closing of the refrigeration component 8 through the refrigeration switch 81, and can be used to charge the battery 14 through the charging interface 82.

[0034] Specifically, the fan body 2 and the bottom shell 3 are clamped together, and a mounting cavity is provided at the bottom of the bottom shell 3, and a hideable hook structure is provided in the mounting cavity. The hook structure includes a hook plate 126 placed in the mounting cavity, and a mounting hole 125 for connecting with the bottom shell 3 is provided on the hook plate 126. A hook 121 is rotatably connected to the hook plate 126. By setting the hook 121, the fan can be conveniently hung, and by rotating the hook 121, the hook can be conveniently stored in the mounting cavity. A movable hook 122 is provided on the hook 121, and a hanging portion 124 is formed between the hook 121 and one end of the movable hook 122. A spring 123 is provided between the hook 121 and the other end of the movable hook 122. By setting the movable hook 122, it can be used to facilitate the hanging of the fan to the position to be hung. Pressing the movable hook 122 can open the hanging portion 124, and the spring 123 can be used to reset the movable hook 122.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-stability handheld fan, characterized by: It comprises a fan head (1), a fan body (2) and a bottom shell (3) which are arranged in sequence from top to bottom. The lower surface of the fan head (1) is provided with a connecting plate (41), a limiting step (42) is formed between the connecting plate (41) and the fan head (1), and the connecting plate (41) is provided with a plurality of connecting columns (43). A bearing plate (51) is provided on the upper surface of the fan body (2), and a limiting groove (52) is formed between the bearing plate (51) and the side wall of the fan body (2). The bearing plate (51) is provided with the same number of connection holes (53) as the number of connection columns (43). When the fan head (1) is connected to the fan body (2), the connecting column (43) is inserted into the connecting hole (53), the limiting step (42) is placed in the limiting groove (52), and the limiting step (42) and the limiting groove (52) are tightly matched.

2. The high-stability handheld fan according to claim 1, characterized in that: An air outlet (7) and an air inlet (6) are respectively provided on the front and rear sides of the fan head (1); a fan blade (9) is provided in the fan head (1) between the air outlet (7) and the air inlet (6); and a refrigeration component (8) is provided on the side wall of the fan head (1) near the air outlet (7).

3. The high-stability handheld fan according to claim 2, characterized in that: A pressure surface (101) is provided on the fan blade (9), and an air guide surface (102) located on the fan head (1) is provided between the fan blade (9) and the air inlet (6).

4. The high-stability handheld fan according to claim 3, characterized in that: The pressurizing surface (101) and the air guiding surface (102) both increase radially in the direction from the air inlet (6) to the air outlet (7).

5. The high-stability handheld fan according to claim 4, characterized in that: A storage battery (14) is provided in the fan body (2).

6. The high-stability handheld fan according to claim 5, characterized in that: A main frame (13) is provided on the lower surface of the fan head (1), the main frame (13) is inserted into the fan body (2), a first main board (111) is provided on the main frame (13), a start switch (112) for controlling the start of the fan is provided on the first main board (111), and the battery (14) is electrically connected to the first main board (111).

7. The high-stability handheld fan according to claim 6, characterized in that: The fan head (1) is provided with a second main board (83), the second main board (83) is provided with a refrigeration switch (81) for controlling the refrigeration element (8) and a charging interface (82) for charging the battery (14), and the second main board (83) is electrically connected to the battery (14).

8. The high-stability handheld fan according to claim 1, characterized in that: The fan body (2) and the bottom shell (3) are clamped together.

9. The high-stability handheld fan according to claim 1, characterized in that: The bottom of the bottom shell (3) is provided with a mounting cavity, and a concealable hook structure is provided in the mounting cavity.

10. The high-stability handheld fan according to claim 9, characterized in that: The hook structure comprises a hook plate (126) placed in the installation cavity, the hook plate (126) is provided with a mounting hole (125) for connecting with the bottom shell (3), a hook (121) is rotatably connected to the hook plate (126), a movable hook (122) is provided on the hook (121), a hooking portion (124) is formed between the hook (121) and one end of the movable hook (122), and a spring (123) is provided between the other end of the hook (121) and the movable hook (122).

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