Handheld fan

Abstract

The utility model relates to the technical field of fans, in particular to a handheld fan. Comprising a fan unit, a connecting unit and a handle, one end of the connecting unit is connected with the fan unit, the other end of the connecting unit is detachably connected with the handle, and the handle comprises a shell and a phase change material filled in the shell; according to the embodiment, the handle is made of the phase-change material, temperature adjustment is conducted by means of the characteristics of the phase-change material, when the handheld fan is used for holding the handheld fan, the handle can effectively cool the hands of a user, so that the cooling effect is improved, heat dissipation is more comprehensive, the handle is detachably arranged, independent refrigeration of the handle is achieved, and the cooling effect is improved. And the cooling effect is effectively improved.

Description

Technical Field

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

[0002] A hand-held fan is a portable electric fan, usually including a base, a handle and a small fan. The hand-held fan is usually designed to be hand-held in size for easy carrying and use. The hand-held fan can provide a cool wind in hot weather to help people stay cool and comfortable. The existing hand-held fans generally only have a blowing function and can only cool down through the small fan, with relatively single functions and poor cooling effects.

[0003] Therefore, it is crucial for those skilled in the art to design a hand-held fan with better cooling effect. Summary of the Utility Model

[0004] The technical problem to be solved in the embodiment of the utility model is to provide a hand-held fan with better cooling effect to solve the problems of relatively single functions and poor cooling effect in the prior art.

[0005] The utility model discloses a hand-held fan, which includes: a fan unit, a connection unit and a handle. One end of the connection unit is connected to the fan unit, and the other end of the connection unit is detachably connected to the handle. Wherein, the handle includes a shell and a phase change material filled in the shell.

[0006] Optionally, one end of the connection unit is provided with an external thread structure, and one end of the handle is provided with an internal thread. The handle is detachably thread-connected to the external thread structure through the internal thread.

[0007] Optionally, a first mounting seat is further provided on the connection unit, and a second mounting seat with an inner concave structure is provided on the fan unit. The first mounting seat is embedded in the inner concave structure and rotatably connected to the second mounting seat.

[0008] Optionally, the connection unit is further provided with a guide post, a first through hole is provided on the first mounting seat, and a second through hole is provided on the second mounting seat. The guide post is arranged through the first through hole and the second through hole.

[0009] Optionally, the fan unit includes an electronic control module, a drive shaft, fan blades and a protective cover; the drive shaft is arranged on the protective cover, the fan blades are arranged in the protective cover and connected to the drive shaft, and the electronic control module is arranged on the back of the protective cover and electrically connected to the drive shaft.

[0010] Optionally, the electronic control module includes a housing, a battery, and a main control board. The main control board is disposed inside the housing, and the battery is disposed inside the housing and electrically connected to the main control board.

[0011] Optionally, a charging interface is further disposed on the main control board, and an avoidance groove for avoiding the charging interface is disposed on the housing.

[0012] Optionally, the protective cover is a hollow structure and is formed with a plurality of air outlets.

[0013] Optionally, the housing is a plastic shell, and an antibacterial agent is disposed in the plastic shell.

[0014] Optionally, the housing is a metal shell, and an antibacterial layer is wrapped outside the metal shell.

[0015] Compared with the prior art, the beneficial effects of the handheld fan provided by the embodiment of the present invention are as follows: By designing a handheld fan including a fan unit, a connection unit, and a handle, one end of the connection unit is connected to the fan unit, and the other end of the connection unit is detachably connected to one end of the handle. The handle includes a housing and a phase change material filled in the housing; by using the phase change material to make the handle and utilizing the characteristics of the phase change material for temperature adjustment, when holding the handheld fan, the handle can effectively cool the user's hand to improve the cooling effect and make the heat dissipation more comprehensive. By setting the handle as detachable, the separate refrigeration of the handle is realized, effectively improving the cooling effect. Description of the Drawings

[0016] The technical solutions of the present invention will be further described in detail below in conjunction with the drawings and embodiments. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the handheld fan provided by the embodiment of the present invention;

[0018] Figure 2 is an exploded view of the handheld fan provided by the embodiment of the present invention;

[0019] Figure 3 is a schematic structural diagram of the second mounting seat and the guide post provided by the embodiment of the present invention;

[0020] Figure 4 is a schematic structural diagram of the fan unit provided by the embodiment of the present invention.

[0021] The reference numerals in the drawings are as follows:

[0022] 100, Fan unit; 200, Connection unit; 300, Handle; 110, Second mounting base; 120, Electric control module; 130, Drive shaft; 140, Fan blade; 150, Protective cover; 210, External thread structure; 220, First mounting base; 230, Guide post; 111, Concave structure; 112, Mounting arm; 113, Second through hole; 240, Buffer ring; 121, Housing; 122, Battery; 123, Main control board; 1211, Avoidance groove; 1231, Charging interface. Detailed implementation manners

[0023] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Now, in conjunction with the drawings, the preferred embodiments of the present invention will be described in detail.

[0024] As Figures 1 to 4 shown, the present invention provides a specific embodiment of a handheld fan.

[0025] A handheld fan, referring to Figure 1 , the handheld fan includes a fan unit 100, a connection unit 200 and a handle 300. One end of the connection unit 200 is connected to the fan unit 100, and the other end of the connection unit 200 is detachably connected to the handle 300. Among them, the handle 300 includes a housing and a phase change material filled in the housing.

[0026] Specifically, referring to Figure 1 , the handheld fan is a portable electric fan. The fan unit 100 in the handheld fan can not only generate air flow and take away the heat around the human body through the air flow, making people feel cool; but also help control the circulation, discharge the humidity and peculiar smell in the environment to provide fresh air; and also help air circulation and reduce the accumulation of dust and harmful substances in the air; the handle 300 in the handheld fan is used to facilitate the user to pick up and control the fan unit 100. The handle 300 is designed such that the user can easily pick up the handheld fan to facilitate carrying it to different occasions, such as outdoor activities, traveling, offices and other places; the connection unit 200 in the handheld fan is used to connect the handle 300 and the fan unit 100.

[0027] Furthermore, the handle 300 is made of a phase change material. The phase change material is a special material that can absorb or release a large amount of heat within a specific temperature range, thereby achieving temperature regulation and heat energy storage; the phase change material utilizes the latent heat absorbed or released during the phase change process of the substance to regulate the temperature; during the phase change process, when the material changes from a solid state to a liquid state, it absorbs latent heat; when it changes from a liquid state to a solid state, it releases latent heat; this characteristic enables the phase change material to be used as a heat insulation material and regulate the temperature by utilizing its characteristic of absorbing or releasing heat.

[0028] Further, the handle 300 is detachably connected to the connection unit 200. When the handheld fan is in a non-use state, the handle 300 made of a phase change material can be detached separately and refrigerated. When the handheld fan needs to be used, the refrigerated handle 300 can be directly reinstalled to the corresponding position, and the operation is very simple. The refrigerated handle 300 can quickly cool the user's skin, and due to the characteristics of the phase change material, the temperature of the handle 300 rises very slowly, and the cooling effect can be maintained for a long time.

[0029] For existing handheld fans, their handles do not have a function of cooling and heat dissipation. Since the handheld fan needs to be held by the user for a long time during use, it is not convenient for the user's hand to dissipate heat.

[0030] In this embodiment, a handheld fan is designed, including a fan unit 100, a connection unit 200, and a handle 300. One end of the connection unit 200 is connected to the fan unit 100, and the other end of the connection unit 200 is detachably connected to one end of the handle 300. Among them, the handle 300 includes a housing and a phase change material filled in the housing. By using a phase change material to make the handle 300 and utilizing the characteristics of the phase change material for temperature adjustment, when holding the handheld fan, the handle 300 can effectively cool the user's hand to improve the cooling effect and make the heat dissipation more comprehensive. By setting the handle 300 to be detachable, the separate refrigeration of the handle 300 is realized, and the cooling effect is effectively improved.

[0031] In one embodiment, referring to Figure 1 and Figure 2 , an external thread structure 210 is provided at one end of the connection unit 200, and an internal thread is provided at one end of the handle 300. The handle 300 is detachably thread-connected to the external thread structure 210 through the internal thread.

[0032] Specifically, referring to Figure 2 , the connection unit 200 is thread-connected to the handle 300. An external thread structure 210 is provided at one end of the connection unit 200 for connecting the handle 300, and an internal thread is provided at one end of the handle 300 for connecting this connection unit 200. When installing the connection unit 200 and the handle 300, only need to insert the external thread structure 210 of the connection unit 200 into the handle 300 and tighten it in cooperation with the internal thread to achieve thread connection. When it is necessary to detach the handle 300 from the connection unit 200, only need to rotate the handle 300 to make the external thread structure 210 disengage from the internal thread, and the disassembly and assembly are simple and convenient.

[0033] In one embodiment, referring to Figures 1 to 3, a first mounting seat 220 is further provided on the connecting unit 200, and a second mounting seat 110 with a concave structure 111 is provided on the fan unit 100. The first mounting seat 220 is embedded in the concave structure 111 and rotatably connected to the second mounting seat 110.

[0034] Specifically, referring to Figures 1 to 3 , the connecting unit 200 is rotatably connected to the fan unit 100 to facilitate adjusting the angle of the fan and realizing multi-angle air outlet for heat dissipation; a first mounting seat 220 is provided on the connecting unit 200, a first through hole 221 is provided on the first mounting seat 220, a second mounting seat 110 is provided on the fan unit 100, a concave structure 111 is provided on the second mounting seat 110, and mounting walls 112 are formed on both sides of the concave structure 111. Second through holes 113 are provided on both mounting walls 112. When the first mounting seat 220 is embedded in the concave structure 111 on the second mounting seat 110, the second through hole 113 and the first through hole 221 are in coaxial positions; the connecting unit 200 is further provided with a guide post 230. When the fan unit 100 and the connecting unit 200 are installed, the first mounting seat 220 of the connecting unit 200 is embedded in the concave structure 111 on the second mounting seat 110, and the second through hole 113 and the first through hole 221 are coaxial. Then, by passing the guide post 230 through the first through hole 221 and the second through hole 113, the connecting unit 200 and the fan unit 100 can be limited.

[0035] Furthermore, referring to Figures 1 to 3 , a buffer ring 240 is sleeved outside the guide post 230 to increase the friction between the guide post 230 and the first through hole 221 and the second through hole 113, so as to prevent the fan unit 100 from shaking with the connecting unit 200 while maintaining a rotatable connection.

[0036] In one embodiment, referring to Figure 1 、 Figure 2 and Figure 4 , the fan unit 100 includes an electronic control module 120, a drive shaft 130, fan blades 140 and a protective cover 150; the drive shaft 130 is provided on the protective cover 150, the fan blades 140 are provided inside the protective cover 150 and connected to the drive shaft 130, and the electronic control module 120 is provided on the back of the protective cover 150 and electrically connected to the drive shaft 130.

[0037] Specifically, referring to Figure 1 、 Figure 2 and Figure 4, the electric control module 120 is arranged on the back of the protective cover 150 and is used to electrically control the driving shaft 130 to rotate. The input end of the driving shaft 130 is arranged outside the protective cover 150 and is electrically connected to the electric control module 120. The output end of the driving shaft 130 extends into the protective cover 150 and is connected to the fan blade 140. The driving shaft 130 is used to drive the fan blade 140 to rotate so as to generate an air flow and take away the heat around the human body through the air flow. Among them, the protective cover 150 is of a hollow structure and is formed with a plurality of air outlets. When the fan blade 140 rotates to generate an air current, the air can be blown out through the plurality of air outlets to achieve a cooling effect.

[0038] In one embodiment, referring to Figure 2 and Figure 4 , the electric control module 120 includes a housing 121, a battery 122 and a main control board 123. The main control board 123 is arranged in the housing 121, and the battery 122 is arranged in the housing 121 and is electrically connected to the main control board 123.

[0039] Specifically, referring to Figure 2 and Figure 4 , the housing 121 is arranged to fit the back of the protective cover 150. The battery 122 is arranged in the housing 121 to provide electric energy. The main control board 123 is respectively connected to the battery 122 and the driving shaft 130 to obtain electric energy and control the movement of the driving shaft 130.

[0040] In one embodiment, referring to Figure 2 and Figure 4 , a charging interface 1231 is further arranged on the main control board 123, and an avoidance groove 1211 for avoiding the charging interface is arranged on the housing 121.

[0041] Specifically, referring to Figure 2 and Figure 4 , the battery 122 is a rechargeable battery 122. By arranging a charging interface on the main board, the battery 122 can be timely replenished with electric energy to realize the recycling of the battery 122.

[0042] In one embodiment, referring to Figure 2 and Figure 4 , a switch 230 is further arranged on the connection unit 200. The switch 230 is in signal connection with the main control board 123. The handheld fan can be turned on or off through the switch 230.

[0043] In one embodiment, the housing on the handle 300 is a plastic shell, and an antibacterial agent is arranged in the plastic shell.

[0044] Specifically, an antibacterial agent is a chemical substance used to inhibit or kill the growth of bacteria, fungi, and other microorganisms; since the user needs to hold the handle of the handheld fan with their hand for a long time during use, adding an antibacterial agent to the plastic shell can better maintain the safety of the product and effectively prevent the growth of bacteria inside the plastic shell.

[0045] Among them, the proportion of the antibacterial agent in the plastic shell is 5%, and at this concentration, it can achieve good growth inhibition of bacteria, fungi, and other microorganisms on the premise of ensuring safety.

[0046] In one embodiment, the housing on the handle 300 is a metal shell, and the outer surface of the metal shell is wrapped with an antibacterial layer.

[0047] Specifically, by setting the housing of the handle 300 as a metal shell, the metal has a certain heat dissipation effect. Since the user needs to hold the handle of the handheld fan with their hand for a long time during use, the metal shell can dissipate heat from the hand in a timely manner. By setting an antibacterial coating on the outer surface of the metal shell, it can effectively prevent the user's hand from being infected by bacteria and fungi.

[0048] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Those skilled in the art can modify the technical solutions recorded in the above embodiments, or perform equivalent replacements for some of the technical features; and all such modifications and replacements should fall within the protection scope of the appended claims of the present invention.

Claims

1. A handheld fan, characterized in that, Comprising: A fan unit, a connection unit, and a handle. One end of the connection unit is connected to the fan unit, and the other end of the connection unit is detachably connected to the handle. Wherein, the handle includes a housing and a phase change material filled in the housing.

2. The handheld fan according to claim 1, wherein, One end of the connection unit is provided with an external thread structure, and one end of the handle is provided with an internal thread. The handle is detachably thread-connected to the external thread structure through the internal thread.

3. The hand-held fan according to claim 1, characterized in that, A first mounting seat is further provided on the connection unit, and a second mounting seat with a concave structure is provided on the fan unit. The first mounting seat is embedded in the concave structure and rotatably connected to the second mounting seat.

4. The hand-held fan according to claim 3, characterized in that, The connection unit is further provided with a guide post, the first mounting seat is provided with a first through hole, and the second mounting seat is provided with a second through hole. The guide post is arranged through the first through hole and the second through hole.

5. The handheld fan according to claim 1, wherein The fan unit includes an electronic control module, a drive shaft, fan blades, and a protective cover; the drive shaft is arranged on the protective cover, the fan blades are arranged inside the protective cover and connected to the drive shaft, and the electronic control module is arranged on the back of the protective cover and electrically connected to the drive shaft.

6. The hand-held fan according to claim 5, wherein, The electronic control module includes a housing, a battery, and a main control board. The main control board is arranged inside the housing, and the battery is arranged inside the housing and electrically connected to the main control board.

7. The handheld fan according to claim 6, characterized in that, A charging interface is further provided on the main control board, and an avoidance groove for avoiding the charging interface is provided on the housing.

8. The hand-held fan according to claim 5, wherein, The protective cover is a hollow structure and is formed with a plurality of air outlets.

9. The hand-held fan according to claim 1, characterized in that, The housing is a plastic shell, and an antibacterial agent is provided in the plastic shell.

10. The hand-held fan according to claim 1, characterized in that, The housing is a metal shell, and an antibacterial layer is wrapped outside the metal shell.

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