Portable foldable fan

Abstract

The utility model discloses a portable foldable fan which comprises a fan frame, a motor, fan blades, a handle, a circuit board and an energy storage battery. A containing cavity is formed in the back face of the fan frame, and a first connecting part is arranged on the back side edge of the bottom of the fan frame. The motor is arranged in the containing cavity, and the driving end of the motor extends into the fan frame. The fan blades are arranged in the fan frame, and the centers of the fan blades are connected with the driving end of the motor; a second connecting part is arranged on the back side edge of the top of the handle, and the second connecting part is rotationally connected with the first connecting part; the circuit board is arranged in the handle, and the circuit board is electrically connected with the motor; the energy storage battery is arranged in the handle, and the energy storage battery is electrically connected with the circuit board. When a user needs to place the fan on a table top, the user only needs to rotate the handle to enable the handle to be horizontally placed, and then the fan can be stably placed on the table top.

Description

Technical Field

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

[0002] In the summer, people will inevitably encounter moments when there is no fan or air conditioner when they go out. In order to enable people to use fans at any time when they go out, some portable handheld fans have appeared on the market.

[0003] However, although these fans can be held in the hand and are easy to use, the hand-held part of the fan is usually slender and easy to collapse when placed vertically, making it difficult to place the fan stably on a desktop or other location, which brings inconvenience to the user. In addition, the user needs to hold the fan in his hand all the time when going out, and cannot free his hands, which also brings great inconvenience to the user and is not conducive to improving the user experience. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a portable foldable fan to solve the technical problem in the prior art that handheld fans cannot be placed stably.

[0005] The utility model is realized by the following technical solution: a portable foldable fan, comprising a fan frame, a motor, fan blades, a handle, a circuit board and an energy storage battery;

[0006] The back of the fan frame is provided with a receiving cavity, and the back side of the bottom of the fan frame is provided with a first connecting portion;

[0007] The motor is arranged in the accommodating cavity, and the driving end of the motor extends into the interior of the fan frame;

[0008] The fan blades are arranged in the fan frame, and the centers of the fan blades are connected to the driving end of the motor;

[0009] A second connecting portion is provided on the top back side of the handle, and the second connecting portion is rotatably connected to the first connecting portion;

[0010] The circuit board is disposed in the handle, and the circuit board is electrically connected to the motor;

[0011] The energy storage battery is arranged in the handle, and the energy storage battery is electrically connected to the circuit board.

[0012] In a possible implementation manner, first hanging holes are provided on both sides of the back side of the handle.

[0013] In a possible implementation manner, a second hanging hole is provided on the lower side wall of the handle.

[0014] In a possible embodiment, the fan frame includes a front frame, a middle frame and a rear frame, the front frame and the rear frame are respectively located on the front and rear sides of the middle frame, the middle frame is movably connected to the rear frame, and the front frame is movably connected to the rear frame.

[0015] In a possible implementation manner, a first connecting column is provided on the middle frame, a first connecting hole is provided on the rear frame, and the first connecting column is inserted into the first connecting hole.

[0016] In a possible implementation, the front frame is provided with a first clip, the rear frame is provided with a first slot, and the first clip passes through the middle frame and extends into the first slot to be clip-connected with the rear frame.

[0017] In a possible embodiment, the fan frame further includes a connecting piece, the accommodating cavity is arranged on the rear frame, the connecting piece is arranged at the opening of the accommodating cavity, a second clip is provided on the connecting piece, a second clip groove is provided on the rear frame, and the second clip extends into the second clip groove and is connected to the rear frame clip.

[0018] In a possible implementation manner, a limiting groove is provided on an inner wall of the connecting member, and a limiting protrusion is provided on the motor, and the limiting protrusion extends into the limiting groove.

[0019] In a possible embodiment, the handle includes a front shell and a rear shell, the front shell is provided with a second connecting column, the rear shell is provided with a second connecting hole, and the second connecting column is inserted into the second connecting hole.

[0020] In a possible implementation, the rear housing is provided with studs and support columns, the middle portion of the circuit board is disposed on the studs, and the corners of the circuit board are disposed on the support columns.

[0021] Compared with the prior art, the beneficial effect of the present invention is that: by arranging a first connecting part on the fan frame and a second connecting part on the handle, and rotatably connecting the first connecting part and the second connecting part, the fan frame and the handle can be rotatably connected. When the user needs to place the fan on the desktop, he only needs to rotate the handle so that the handle is placed horizontally, and the fan can be placed stably on the desktop. In addition, the energy storage battery is arranged in the handle to increase the weight of the handle, so that the center of the fan is close to the handle, which can further improve the stability of the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of a portable foldable fan of the present invention;

[0023] Figure 2 This is a schematic structural diagram of the portable foldable fan of the present invention in a folded state;

[0024] Figure 3 This is an exploded schematic diagram of the portable foldable fan of the present invention;

[0025] Figure 4 This is a schematic structural diagram of the rear frame of the portable foldable fan of the present invention;

[0026] Figure 5 This is a schematic structural diagram of a connecting member in a portable foldable fan of the present invention;

[0027] Figure 6 This is a schematic structural diagram of the rear housing of the portable foldable fan of the present invention.

[0028] In the picture:

[0029] 100, sash frame; 101, accommodating cavity; 102, first connecting portion; 103, front frame; 1031, first buckle; 104, middle frame; 1041, first connecting column; 1042, first connecting protrusion; 1043, annular step; 105, rear frame; 1051, first connecting hole; 1052, first connecting slot; 1053, first clamping slot; 1054, second clamping slot; 106, connecting member; 1061, second buckle; 1062, wire groove; 1063, limit groove;

[0030] 200, motor; 201, limiting protrusion;

[0031] 300, fan blades;

[0032] 400, handle; 401, second connecting portion; 402, power button; 403, first hanging hole; 404, second hanging hole; 405, front housing; 4051, second connecting column; 4052, second connecting protrusion; 406, rear housing; 4061, second connecting hole; 4062, second connecting groove; 4063, stud; 4064, support column;

[0033] 500, circuit board; 501, charging interface;

[0034] 600. Energy storage battery. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0036] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0037] In addition, the descriptions of "first", "second", etc. in this application are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0038] like Figure 1-6A portable foldable fan shown includes a fan frame 100, a motor 200, fan blades 300, a handle 400, a circuit board 500 and an energy storage battery 600; a accommodating cavity 101 is provided on the back of the fan frame 100, and a first connecting portion 102 is provided on the bottom back side of the fan frame 100; the motor 200 is arranged in the accommodating cavity 101, and the driving end of the motor 200 extends into the interior of the fan frame 100; the fan blades 300 are arranged in the fan frame 100, and the center of the fan blades 300 is connected to the driving end of the motor 200; a second connecting portion 401 is provided on the top back side of the handle 400, and the second connecting portion 401 is rotatably connected to the first connecting portion 102; the circuit board 500 is arranged in the handle 400, and the circuit board 500 is electrically connected to the motor 200; the energy storage battery 600 is arranged in the handle 400, and the energy storage battery 600 is electrically connected to the circuit board 500. It should be noted that the blowing side of the fan is the front and the leeward side is the back; the accommodating chamber 101 is annular, and the bottom of the accommodating chamber 101 has a through hole for the rotation shaft of the power supply motor 200 to pass through, the middle part of the fan blade 300 is annular, and is sleeved on the outer wall of the accommodating chamber 101, and is loosely matched with the outer wall of the accommodating chamber 101, and a fixing hole is provided at the center of the fan blade 300, and the rotation shaft of the motor 200 extends into the fixing hole and is fixedly connected to the fan blade 300, so that the motor 200 drives the fan blade 300 to rotate; the first connecting part 102 is cylindrical, and the number of the second connecting parts 401 is two, and they are respectively rotatably connected to the two ends of the first connecting part 102; a power button 402 is provided on the side wall of the handle 400, and the circuit A switch position corresponding to the power button 402 is provided on the board 500. When the user presses the power button 402, the power button 402 triggers the switch position on the circuit board 500, so that the circuit board 500 sends an on or off signal to the motor 200 to achieve the effect of controlling the fan to turn on or off; a charging interface 501 is also provided on the circuit board 500, and a through hole for the charging interface 501 to pass through is provided on the handle 400. The user can use a power adapter to connect to the charging interface 501 to charge the energy storage battery 600. In addition, a charging indicator light is also provided on the circuit board 500. When the fan is charging, the indicator light emits red light and goes out after being fully charged to serve as a reminder to the user.

[0039] The beneficial effect of the present invention is that by arranging a first connection part 102 on the fan frame 100 and a second connection part 401 on the handle 400, and making the first connection part 102 and the second connection part 401 rotatably connected, the fan frame 100 and the handle 400 are rotatably connected. When the user needs to place the fan on the desktop, he only needs to rotate the handle 400 so that the handle 400 is placed horizontally, and the fan can be placed stably on the desktop. In addition, the energy storage battery 600 is arranged in the handle 400 to increase the weight of the handle 400, so that the center of the fan is close to the handle 400, which can further improve the stability of the fan.

[0040] Please refer to Figure 1 In one possible embodiment, first hanging holes 403 are provided on both sides of the back of the handle 400. It should be noted that the first hanging holes 403 have multiple uses. They can be used with pendants for decoration or with a lanyard. When using the fan with a lanyard, the user simply passes the lanyard through the two first hanging holes 403, freeing the user's hands and providing convenience. The fan can also be in an open state when worn around the neck. Simply fold the fan and place the front of the handle 400 against the chest to direct air toward the user's chin, thereby cooling the user. This allows the user to simply hang the fan around their neck, significantly improving the user experience. Furthermore, a buckle is provided at the first hanging hole 403, onto which both the pendant and the lanyard can be attached. The buckle can be added as needed. This means that the user can directly attach various pendants or lanyards, or first attach a buckle, lobster clasp, or other accessory.

[0041] Please refer to Figure 1 In one possible embodiment, a second hanging hole 404 is provided on the side wall of the lower end of the handle 400. It is easy to understand that the function of the second hanging hole 404 is similar to that of the first hanging hole 403. When a hanging rope is used at the second hanging hole 404, the hanging rope can be tied to the wrist of the human body, which can also achieve the effect of freeing the user's hands and making it easier for the user to carry. In addition, the second hanging hole 404 can also be used with a ring buckle, and a hanging ornament can be used on the ring buckle. The fan can also be hung on a bag through the ring buckle, providing convenience for the user to carry the fan and making it easier for the user to store it at home. For example, the user can hang the fan on a wall or a storage rack through the ring buckle, so that the user can quickly find and take it when using it next time.

[0042] Please refer to Figure 3 In one possible embodiment, the sash frame 100 includes a front frame 103, a middle frame 104, and a rear frame 105. The front frame 103 and the rear frame 105 are located on the front and rear sides of the middle frame 104, respectively. The middle frame 104 and the rear frame 105 are movably connected, and the front frame 103 and the rear frame 105 are movably connected. It is easy to understand that the movably connected middle frame 104 and the rear frame 105, and the movably connected front frame 103 and the rear frame 105, can facilitate workers to assemble the sash frame 100, thereby improving the assembly efficiency of the sash frame 100.

[0043] Please refer to Figure 3 and Figure 4In one possible embodiment, a first connecting post 1041 is provided on the middle frame 104, and a first connecting hole 1051 is provided on the rear frame 105. The first connecting post 1041 is inserted into the first connecting hole 1051. It should be noted that there are two first connecting posts 1041 and two first connecting holes 1051, respectively, disposed on either side of the lower end of the middle frame 104, and two first connecting holes 1051 are respectively disposed on either side of the lower end of the rear frame 105. In addition, a first connecting protrusion 1042 is provided on one end of the middle frame 104 close to the rear frame 105, and a first connecting groove 1052 is provided on one end of the rear frame 105 close to the middle frame 104. Both the first connecting protrusion 1042 and the first connecting groove 1052 are annular, and the first connecting protrusion 1042 extends into the first connecting groove 1052, which helps to improve the connection stability between the middle frame 104 and the rear frame 105.

[0044] Please refer to Figure 3 and Figure 4 In a possible embodiment, a first buckle 1031 is provided on the front frame 103, and a first slot 1053 is provided on the rear frame 105. The first buckle 1031 passes through the middle frame 104 and extends into the first slot 1053 to be buckled and connected to the rear frame 105. It should be noted that there are multiple first clips 1031 and first slots 1053, and multiple first clips 1031 are evenly spaced along the circumferential wall of the front frame 103, and multiple first slots 1053 are evenly spaced along the inner wall of the rear frame 105, and each first clip 1031 corresponds to each first slot 1053 one by one; in addition, an annular step 1043 is provided on the inner wall of the middle frame 104, and the front frame 103 extends into the middle frame 104 and collides with the annular step 1043. The annular step 1043 has a groove for the first clip 1031 to pass through. The first clip 1031 passes through the groove and extends into the first slot 1053 to be snap-connected with the rear frame 105, so as to realize the connection between the front frame 103, the middle frame 104 and the rear frame 105, thereby improving the overall structural stability of the fan frame 100.

[0045] Please refer to Figures 3 to 5In a possible embodiment, the fan frame 100 further includes a connecting member 106, the accommodating cavity 101 is provided on the rear frame 105, the connecting member 106 is provided at the opening of the accommodating cavity 101, a second clip 1061 is provided on the connecting member 106, and a second clip groove 1054 is provided on the rear frame 105. The second clip 1061 extends into the second clip groove 1054 and is clip-connected with the rear frame 105. It should be noted that the upper end of the connecting member 106 is disc-shaped, and a plurality of second clips 1061 are evenly spaced along the circumferential wall of the disc. A plurality of second clips 1061 are provided on the inner wall of the accommodating cavity 101, which correspond one to one with the second clips 1061. When the second clips 1061 are inserted into the second clips 1054, the upper end of the connecting member 106 is clip-connected with the rear frame 105. In addition, the first connecting portion 102 is composed of the rear frame 105 and the connecting member 106. The lower end of the connecting member 106 has half of the first connecting portion 102, and the lower end of the rear frame 105 has the other half of the first connecting portion 102. A screw hole is provided in the middle of the first connecting portion 102, so that the lower end of the connecting member 106 is bolted to the lower end of the rear frame 105. When assembling, first put the second clips 1061 in the second clips 1054. The connecting part 401 is placed into the first connecting part 102 on the upper half of the rear frame 105, and then the connecting piece 106 is installed to form a complete first connecting part 102, so that the first connecting part 102 and the second connecting part 401 are rotatably connected. After tightening the bolts, the first connecting part 102 and the second connecting part 401 can be fitted more closely to increase the friction between the first connecting part 102 and the second connecting part 401, so that the upper part of the fan will not rotate without external force, which is beneficial to improving the overall stability of the fan; in addition, a wire groove 1062 is also provided on the connecting piece 106, and the wire groove 1062 is connected to the inside of the handle 400 through the first connecting part 102 and the second connecting part 401, so that the circuit board 500 can be smoothly connected to the motor 200 wires.

[0046] Please refer to Figure 3 and Figure 5 In one possible embodiment, a limiting groove 1063 is provided on the inner wall of the connector 106, and a limiting protrusion 201 is provided on the motor 200, which extends into the limiting groove 1063. It is easy to understand that after the motor 200 is placed in the accommodating cavity 101, the limiting protrusion 201 extends into the limiting groove 1063, which can fix the motor 200, prevent the motor 200 from shaking unexpectedly, and help improve the stability of the motor 200.

[0047] Please refer to Figure 3 and Figure 6In one possible embodiment, the handle 400 includes a front shell 405 and a rear shell 406. The front shell 405 is provided with a second connecting post 4051, and the rear shell 406 is provided with a second connecting hole 4061. The second connecting post 4051 is inserted into the second connecting hole 4061. It should be noted that there are multiple second connecting posts 4051 and multiple second connecting holes 4061, and each second connecting post 4051 corresponds to each second connecting hole 4061. In addition, a second connecting protrusion 4052 is provided at one end of the front shell 405 near the rear shell 406, and a second connecting groove 4062 is provided at one end of the rear shell 406 near the front shell 405. Both the second connecting protrusion 4052 and the second connecting groove 4062 are rectangular, and the second connecting protrusion 4052 extends into the second connecting groove 4062, which helps to improve the connection stability between the front shell 405 and the rear shell 406.

[0048] Please refer to Figure 6 In one possible embodiment, the rear housing 406 is provided with studs 4063 and support columns 4064. The middle portion of the circuit board 500 is disposed on the studs 4063, and the corners of the circuit board 500 are disposed on the support columns 4064. It is easy to understand that the circuit board 500 is fixed to the studs 4063 by bolts. There are two support columns 4064, each supporting two corners of the circuit board 500. The other two corners of the circuit board 500 are supported by the inner sidewall of the rear housing 406, thereby improving the stability of the circuit board 500.

[0049] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A portable foldable fan, characterized in that: Including fan frame, motor, fan blades, handle, circuit board and energy storage battery; The back of the fan frame is provided with a receiving cavity, and the back side of the bottom of the fan frame is provided with a first connecting portion; The motor is arranged in the accommodating cavity, and the driving end of the motor extends into the interior of the fan frame; The fan blades are arranged in the fan frame, and the centers of the fan blades are connected to the driving end of the motor; A second connecting portion is provided on the top back side of the handle, and the second connecting portion is rotatably connected to the first connecting portion; The circuit board is disposed in the handle, and the circuit board is electrically connected to the motor; The energy storage battery is arranged in the handle, and the energy storage battery is electrically connected to the circuit board.

2. The portable foldable fan according to claim 1, wherein: First hanging holes are provided on both sides of the back side of the handle.

3. The portable foldable fan according to claim 1, wherein: A second hanging hole is provided on the side wall of the lower end of the handle.

4. The portable foldable fan according to claim 1, wherein: The fan frame includes a front frame, a middle frame and a rear frame. The front frame and the rear frame are respectively located at the front and rear sides of the middle frame. The middle frame is movably connected to the rear frame, and the front frame is movably connected to the rear frame.

5. The portable foldable fan according to claim 4, wherein: The middle frame is provided with a first connecting column, the rear frame is provided with a first connecting hole, and the first connecting column is inserted into the first connecting hole.

6. The portable foldable fan according to claim 4, wherein: The front frame is provided with a first buckle, the rear frame is provided with a first slot, and the first buckle passes through the middle frame and extends into the first slot to be buckled and connected with the rear frame.

7. The portable foldable fan according to claim 4, wherein: The fan frame also includes a connecting piece, the accommodating cavity is arranged on the rear frame, the connecting piece is arranged at the opening of the accommodating cavity, a second clip is provided on the connecting piece, a second clip slot is provided on the rear frame, and the second clip extends into the second clip slot and is connected to the rear frame clip.

8. The portable foldable fan according to claim 7, wherein: A limiting groove is provided on the inner wall of the connecting piece, and a limiting protrusion is provided on the motor, and the limiting protrusion extends into the limiting groove.

9. The portable foldable fan according to claim 1, wherein: The handle includes a front shell and a rear shell. The front shell is provided with a second connecting column. The rear shell is provided with a second connecting hole. The second connecting column is inserted into the second connecting hole.

10. The portable foldable fan according to claim 9, wherein: The rear shell is provided with studs and support columns, the middle portion of the circuit board is arranged on the studs, and the corners of the circuit board are arranged on the support columns.

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