Portable fan

Abstract

The utility model is suitable for the technical field of electrical equipment, and provides a portable fan which comprises a fan body, a power assembly and a support assembly are installed on the fan body through an installation shell, the support assembly is provided with an installation base, a rotating frame and a supporting frame, the installation base is installed on the installation shell, and the rotating frame is installed on the supporting frame. The rotating frame is used for adjusting the direction of the supporting frame, and the supporting frame is used for supporting the fan body. According to the portable fan, the support assembly is arranged, the installation base is installed on the back face of the fan body, when a user needs to place the portable fan on a table top, the rotating frame is rotated, and the orientation of the supporting frame is adjusted through the rotating frame so that the orientation of the supporting frame can be met; the orientation of the fan body is adjusted according to the requirements of a user so that the fan body can be supported through the supporting frame, when the fan does not need to be placed on a table top, the supporting frame can be rotated to be located on the same plane with the rotating frame so that the user can carry the fan conveniently, and the problem that an existing handheld and desk type fan is poor in universality is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical equipment, and in particular relates to a portable fan. Background Art

[0002] In order to enjoy coolness anytime and anywhere, portable small fans have been recognized by the market and are often used in the following scenarios: personal use, outdoor activities, office or learning environments, medical care, fitness, kitchen use, etc.

[0003] Portable fans can effectively provide cool airflow, meeting users' cooling needs in hot weather. The working principle of common portable fans is mainly based on the motor driving the fan blades to rotate. The negative pressure generated by the rotation of the fan blades draws in the surrounding air and pushes it out, thus generating airflow.

[0004] In the prior art, there are various types of portable fans currently on the market, such as pole-type small fans and desktop small fans. However, pole-type small fans cannot be placed independently on a table for use and require the support of a stand to stand on the table. Desktop small fans can be placed directly on the table using a stand, but are inconvenient to hold in hand. Therefore, although existing small fans are small in size, they are not very versatile as both handheld and desktop fans. Utility Model Content

[0005] The purpose of the embodiments of the present utility model is to provide a portable fan, aiming to solve the problem that existing small fans are small in size but have poor versatility between handheld and desktop fans.

[0006] The embodiment of the present utility model is implemented as follows: a portable fan, the portable fan comprising:

[0007] A fan body, wherein the fan body is mounted with a power assembly and a bracket assembly via a mounting shell, the mounting shell being provided with an internal cavity for mounting the power assembly, the bracket assembly being mounted on an outer wall of the mounting shell, and the power assembly being used to generate airflow;

[0008] The bracket assembly is provided with a mounting seat, a rotating frame and a supporting frame. The mounting seat is installed on the mounting shell. The rotating frame is rotatably connected to the mounting seat. The rotating frame is used to adjust the direction of the supporting frame. The supporting frame is rotatably connected to the rotating frame. The supporting frame is used to support the fan body.

[0009] Preferably, the fan body also includes a protective shell, which is connected to the mounting shell and is installed on the outer side of the mounting shell. The protective shell is cylindrical and is provided with a first positioning hole and a second positioning hole. The first positioning hole and the second positioning hole are respectively provided on two opposite sides of the protective shell. The first positioning hole is used to position the mounting shell, and the second positioning hole is used to position the mounting seat of the bracket assembly.

[0010] Preferably, the mounting shell includes a first surface shell, a second surface shell and a top shell, the first surface shell and the second surface shell are respectively semi-enclosed shells, the first surface shell is provided with a first mounting protrusion, a first positioning protrusion and a first mounting hole, the first mounting protrusion is used to mount the second surface shell, the first positioning protrusion is used to position the top shell, and the first mounting hole is used to mount the power component;

[0011] The second side shell is provided with a first mounting groove, a second positioning protrusion, a second mounting hole and a heat dissipation hole. The first mounting groove cooperates with the first mounting protrusion to connect the first side shell and the second side shell. The second positioning protrusion is used to position the top shell. The second mounting hole is used to install the bracket assembly. The heat dissipation hole is used to allow air to circulate inside the fan body to achieve heat dissipation.

[0012] Preferably, the top shell includes an air outlet plate and a mounting ring, the air outlet plate is provided with a plurality of strip-shaped air outlet holes, the air outlet holes are used to discharge air to facilitate the outflow of the airflow generated by the power assembly, the air outlet plate is provided with a mounting portion and a positioning portion, the outer diameter of the mounting portion is smaller than the outer diameter of the positioning portion, and the mounting portion is connected to the first positioning protrusion of the first side shell and the second positioning protrusion of the second side shell through the first connecting hole respectively;

[0013] The positioning portion is used to position the mounting ring. The front of the mounting ring is mounted on the air outlet plate. A plurality of first positioning grooves are provided on the back of the mounting ring. The first positioning grooves are used to position a first positioning protrusion and a second positioning protrusion respectively.

[0014] Preferably, a second mounting groove for mounting a rotating frame and a support frame is provided on the upper end surface of the mounting seat, a third mounting hole and a plurality of positioning blocks in a circular array are provided at the center of the wall surface of the second mounting groove, the third mounting hole is used to mount the rotating frame, the positioning block is used to position the rotating frame, and a plurality of cylindrical second mounting protrusions are provided on the lower end surface of the mounting seat, and the second mounting protrusions are mounted on the mounting shell through fixing parts.

[0015] Preferably, the rotating frame is provided with a rotating part and a connecting part, and a strip protrusion is provided on the upper end surface of the rotating part, and the strip protrusion is used for the user to grasp so that the user can rotate the rotating frame to adjust the direction of the support frame. A third mounting protrusion and a plurality of positioning grooves in a ring array are provided at the center position of the lower end surface of the rotating part, and the third mounting protrusion is installed on the third mounting hole of the mounting seat through a rotating member, and the positioning groove is used to cooperate with the positioning block to connect the rotating frame to the mounting seat, and the connecting part is provided with a fourth mounting hole, and the fourth mounting hole is rotatably connected to the support frame.

[0016] Preferably, the support frame is a semi-closed ring, and fifth mounting holes are respectively provided on two opposite sides of the support frame opening. The fifth mounting hole is connected to the fourth mounting hole through a rotating shaft so that the support frame is rotatably connected to the rotating frame to facilitate the support frame to support the fan body.

[0017] Preferably, the power assembly includes a power part, a control panel, a fan wheel and a display screen. The power part is connected to the fan wheel in a transmission manner. The power part is used to provide power to the fan wheel so as to drive the fan wheel to rotate so as to generate airflow. The control panel is used to install a switch button and a charging interface. The control panel is installed on the inner wall of the mounting shell, and the control panel is electrically connected to the display screen.

[0018] Preferably, the display screen is mounted on the outer wall of the mounting shell through a mounting bracket, a plurality of connecting protrusions are provided on the bottom surface of the mounting bracket, the connecting protrusions are connected to the mounting shell, the top surface of the mounting bracket is connected to the display screen through a cylindrical protrusion, an air inlet is provided on the mounting bracket, the air inlet is used to guide air into the inside of the fan body, and the display screen is used to display the power supply and wind speed level of the fan.

[0019] The embodiment of the present invention provides a portable fan, which is provided with a fan body, a power component of the fan body and a bracket component installed on the mounting shell, the power component installed inside the mounting shell is used to generate airflow to achieve airflow cooling for the user, and the bracket assembly is installed on the back of the mounting shell through a mounting base, and the mounting base is rotatably connected to the rotating frame, and the rotating frame is rotatably connected to the support frame. When the user needs to place the portable fan on a table, the rotating frame is rotated and the direction of the support frame is adjusted by the rotating frame to meet the direction of the support frame, and the direction of the fan body is adjusted according to user needs to support the fan body with the support frame. When the fan does not need to be placed on the table, the support frame can be rotated so that it is located on the same plane as the rotating frame for easy carrying by the user, thereby solving the problem of poor versatility of existing handheld and desktop fans. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional structural diagram of a portable fan provided by an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the back structure of a portable fan provided by an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of the structure of a portable fan after the support frame is flipped over according to an embodiment of the present invention;

[0023] Figure 4 A schematic diagram of the structure of a portable fan after the rotating frame is rotated provided by an embodiment of the utility model;

[0024] Figure 5 A schematic diagram of the internal structure of a portable fan provided by an embodiment of the utility model;

[0025] Figure 6 A schematic structural diagram of a mounting base for a portable fan provided by an embodiment of the present utility model;

[0026] Figure 7 This is a structural schematic diagram of a support frame and a rotating frame in a portable fan provided by an embodiment of the utility model.

[0027] In the accompanying drawings: 1. Fan body; 11. Mounting shell; 111. Heat dissipation hole; 112. Air outlet; 113. Top shell; 114. First side shell; 12. Protective shell; 13. Power assembly; 131. Fan wheel; 132. Control panel; 1321. Power switch; 1322. Charging port; 133. Display screen; 1331. Mounting bracket; 2. Bracket assembly; 21. Mounting seat; 211. Second mounting slot; 212. Third mounting hole; 213. Positioning block; 214. Second mounting protrusion; 22. Support frame; 23. Rotating frame; 231. Third mounting protrusion; 232. Positioning slot; 24. Rotating shaft. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0030] like Figure 1-7FIG. 1 is a structural diagram of a portable fan provided by an embodiment of the present invention, comprising: a fan body 1, wherein the fan body 1 is provided with a power assembly 13 and a bracket assembly 2 mounted through a mounting shell 11, wherein the mounting shell 11 is provided with an internal cavity for mounting the power assembly 13, and the bracket assembly 2 is mounted on an outer wall surface of the mounting shell 11, and the power assembly 13 is used to generate airflow;

[0031] The bracket assembly 2 is provided with a mounting seat 21, a rotating frame 23 and a support frame 22. The mounting seat 21 is installed on the mounting shell 11. The rotating frame 23 is rotatably connected to the mounting seat 21. The rotating frame 23 is used to adjust the direction of the support frame 22. The support frame 22 is rotatably connected to the rotating frame 23. The support frame 22 is used to support the fan body 1.

[0032] In an embodiment of the present invention, preferably, the portable fan mainly includes a fan body 1 and a bracket assembly 2. The fan body 1 includes a mounting shell 11 and a power assembly 13. The power assembly 13 is installed in the cavity inside the mounting shell 11, and the bracket assembly 2 is installed on the mounting shell 11. The power assembly 13 is used to generate airflow to cool down the user. The bracket assembly 2 is installed on the back of the mounting shell 11 using a mounting seat 21. A rotating frame 23 rotatably connected to the mounting seat 21 is provided on the mounting seat 21, and a support frame 22 rotatably connected to the rotating frame 23 is provided. When the fan body 1 needs to be placed on a table, the support frame 22 can be flipped to form a certain angle with the fan body 1 to facilitate supporting the fan body 1, and the direction of the support frame 22 can be adjusted by rotating the rotating frame 23 to change the direction of the air outlet 112 of the fan body 1. When the fan body 1 does not need to be placed on the table, the support frame 22 can be reset so that it is located in the same plane as the rotating frame 23 and is parallel to the back of the fan body 1, which is convenient for users to carry or hold. Compared with existing handheld or desktop fans, its versatility is improved.

[0033] In one embodiment of the present invention, the present invention provides a fan body 1, a power component 13 of the fan body 1 and a bracket component 2 installed on the mounting shell 11 are installed using a mounting shell 11, the power component 13 installed inside the mounting shell 11 is used to generate airflow to achieve airflow to cool the user, and the bracket component 2 is installed on the back of the mounting shell 11 through a mounting base 21, and the mounting base 21 is rotatably connected to the rotating frame 23, and the rotating frame 23 is rotatably connected to the support frame 22. When the user needs to place the portable fan on a table, the rotating frame 23 is rotated, and the orientation of the support frame 22 is adjusted using the rotating frame 23 to meet the orientation of the support frame 22, and the orientation of the fan body 1 is adjusted according to user needs so as to use the support frame 22 to support the fan body 1. When the fan does not need to be placed on the table, the support frame 22 can be rotated so that it is located on the same plane as the rotating frame 23 for easy carrying by the user, thereby solving the problem of poor versatility of existing handheld and desktop fans.

[0034] like Figure 1-7 As shown, as a preferred embodiment of the present utility model, the fan body 1 also includes a protective shell 12, the protective shell 12 is connected to the mounting shell 11, the protective shell 12 is installed on the outer side of the mounting shell 11, the protective shell 12 is cylindrical, and the protective shell 12 is provided with a first positioning hole and a second positioning hole, the first positioning hole and the second positioning hole are respectively provided on two opposite sides of the protective shell 12, the first positioning hole is used to position the mounting shell 11, and the second positioning hole is used to position the mounting seat 21 of the bracket assembly 2.

[0035] In an embodiment of the present utility model, preferably, the fan body 1 can also be installed on the outer wall surface of the mounting shell 11 through a protective shell 12. The protective shell 12 is used to protect the mounting shell 11 and position the mounting shell 11 and the bracket assembly 2 through the first positioning hole and the second positioning hole. The protective shell 12 can be an elliptical cylindrical shell, and through holes for installing connecting ropes are provided on the curved surfaces on both sides of the protective shell 12, so that users can carry the portable fan conveniently.

[0036] like Figure 1-7 As shown, as a preferred embodiment of the present utility model, the mounting shell 11 includes a first surface shell 114, a second surface shell and a top shell 113. The first surface shell 114 and the second surface shell are semi-enclosed shells respectively. The first surface shell 114 is provided with a first mounting protrusion, a first positioning protrusion and a first mounting hole. The first mounting protrusion is used to mount the second surface shell, the first positioning protrusion is used to position the top shell 113, and the first mounting hole is used to mount the power assembly 13.

[0037] The second side shell is provided with a first mounting groove, a second positioning protrusion, a second mounting hole and a heat dissipation hole 111. The first mounting groove cooperates with the first mounting protrusion to connect the first side shell 114 with the second side shell. The second positioning protrusion is used to position the top shell 113. The second mounting hole is used to install the bracket 1331 component. The heat dissipation hole 111 is used to allow air to circulate inside the fan body 1 to achieve heat dissipation.

[0038] In an embodiment of the present utility model, preferably, the mounting shell 11 is mainly composed of a first surface shell 114, a second surface shell and a top shell 113. The first surface shell 114 and the second surface shell are respectively semi-enclosed rectangular shells with a certain cavity. The first mounting protrusion on the first surface shell 114 is embedded in the first mounting groove of the second surface shell. A plurality of cylindrical protrusions can be provided on the inner wall surface of the first surface shell 114 to facilitate positioning of the power component 13. The first positioning protrusion can be provided on a side surface of the first surface shell 114 and is located on the same plane as the second positioning protrusion on the second surface shell to facilitate connection with the top shell 113. The first mounting hole is located on the inner wall surface of the first surface shell 114 to facilitate connection with the power component 13 and the first mounting hole and the heat dissipation hole 111 of the second surface shell can be located on two opposite surfaces to facilitate air circulation on the heat dissipation hole 111 power component 13 to play a heat dissipation role. The second mounting hole for mounting the bracket 1331 component can be located on the back of the second surface shell.

[0039] like Figure 1-7 As shown, as a preferred embodiment of the present utility model, the top shell 113 includes an air outlet plate and a mounting ring. The air outlet plate is provided with a plurality of strip-shaped air outlet holes 112. The air outlet holes 112 are used to discharge air to facilitate the outflow of the airflow generated by the power assembly 13. The air outlet plate is provided with a mounting portion and a positioning portion. The outer diameter of the mounting portion is smaller than the outer diameter of the positioning portion. The mounting portion is connected to the first positioning protrusion of the first surface shell 114 and the second positioning protrusion of the second surface shell through the first connecting hole.

[0040] The positioning portion is used to position the mounting ring. The front of the mounting ring is mounted on the air outlet plate. A plurality of first positioning grooves 232 are provided on the back of the mounting ring. The first positioning grooves 232 are used to position the first positioning protrusion and the second positioning protrusion respectively.

[0041] In an embodiment of the present utility model, preferably, the top shell 113 is mainly composed of an air outlet plate and a mounting ring. The air outlet plate is installed on the first surface shell 114 and the second surface shell through the mounting ring. The air outlet plate is first positioned using the mounting ring, and the first positioning groove 232 on the mounting ring is respectively matched with the first positioning protrusion and the second positioning protrusion so that the first surface shell 114 and the second surface shell are completely connected. Then, the positioning portion of the air outlet plate is installed on the mounting ring, and the first connecting hole of the air outlet plate mounting portion is matched with the first positioning protrusion and the second positioning protrusion so that it is completely connected with the first surface shell 114 and the second surface shell. A plurality of side-by-side strip air outlet holes 112 are arranged on the air outlet plate to facilitate the outflow of air generated by the power component 13 to achieve cooling of the user.

[0042] like Figure 1-7 As shown, as a preferred embodiment of the present invention, the upper end surface of the mounting seat 21 is provided with a second mounting groove 211 for mounting the rotating frame 23 and the support frame 22, and the center position of the groove wall of the second mounting groove 211 is provided with a third mounting hole 212 and a plurality of positioning blocks 213 in a circular array. The third mounting hole 212 is used to mount the rotating frame 23, and the positioning block 213 is used to position the rotating frame 23. The lower end surface of the mounting seat 21 is provided with a plurality of cylindrical second mounting protrusions 214, and the second mounting protrusions 214 are mounted on the mounting shell 11 through fixings.

[0043] In an embodiment of the present utility model, preferably, the mounting seat 21 can be a shell with a disc shape and a circular second mounting groove 211. The depth of the mounting seat 21 can be the same as the thickness of the rotating frame 23 and the support frame 22. A third mounting hole 212 for mounting the rotating frame 23 can be provided at the center of the inner wall surface of the mounting seat 21 to facilitate the rotation of the rotating frame 23. The positioning block 213 in a circular array with the third mounting hole 212 can be used to position the rotating frame 23, so that when the rotating frame 23 rotates to a certain angle, the positioning block 213 can be used to prevent the rotating frame 23 from rotating and failing to support the fan body 1. The positioning block 213 has a certain damping effect. The second mounting protrusion 214 on the bottom surface of the mounting seat 21 is embedded in the second mounting hole and is completely connected to the first surface shell 114 using a fixing piece.

[0044] like Figure 1-7As shown, as a preferred embodiment of the present invention, the rotating frame 23 is provided with a rotating part and a connecting part, and a strip protrusion is provided on the upper end surface of the rotating part. The strip protrusion is used for the user to grasp so that the user can rotate the rotating frame 23 to adjust the direction of the support frame 22. A third mounting protrusion 231 and a plurality of positioning grooves 232 in a ring array are provided at the center position of the lower end surface of the rotating part. The third mounting protrusion 231 is installed on the third mounting hole 212 of the mounting seat 21 through a rotating member. The positioning groove 232 is used to cooperate with the positioning block 213 to connect the rotating frame 23 to the mounting seat 21. The connecting part is provided with a fourth mounting hole, and the fourth mounting hole is rotatably connected to the support frame 22.

[0045] In the embodiment of the present utility model, preferably, the rotating frame 23 is composed of a disc-shaped rotating part and a square connecting part, a strip protrusion is provided on the front of the rotating part, and both sides of the strip protrusion are grooves with a certain depth so that the user can grasp the strip protrusion and rotate to adjust the direction of the support frame 22. A third mounting protrusion 231 and a plurality of positioning grooves 232 in a circular array with the third mounting protrusion 231 as the center can be provided at the center of the circle on the back of the disc-shaped rotating part. The third mounting protrusion 231 can be cylindrical and embedded in the third mounting hole 212 of the mounting seat 21. At most one positioning groove 232 cooperates with the positioning block 213. When the rotating frame 23 is rotated, the user grasps the strip protrusion and can use the rotating part to drive the rotating frame 23 on the mounting seat 21 to rotate so as to change the direction of the support frame 22. Fourth mounting holes are respectively provided on the two opposite sides of the square connecting part. The fourth mounting hole can be a strip hole with a certain length to facilitate connection with the support frame 22.

[0046] like Figure 1-7 As shown, as a preferred embodiment of the present invention, the support frame 22 is a semi-closed ring, and fifth mounting holes are respectively provided on two opposite sides of the opening of the support frame 22. The fifth mounting hole is connected to the fourth mounting hole through a rotating shaft 24 so that the support frame 22 is rotatably connected to the rotating frame 23 to facilitate the support frame 22 to support the fan body 1.

[0047] In an embodiment of the present utility model, preferably, the support frame 22 can be a semi-closed annular disk with a notch, and the inner diameter of the support frame 22 is not less than the outer diameter of the rotating frame 23 so that the support frame 22 and the rotating frame 23 are completely connected and when the rotating frame 23 and the support frame 22 are not rotating and supporting the fan body 1, the support frame 22 and the rotating frame 23 are located on the same horizontal plane, and two fifth mounting holes with the same axis are respectively provided at both ends of the opening of the support frame 22 so that the rotating shaft 24 can pass through the fourth mounting hole and the fifth mounting hole to completely connect the support frame 22 and the rotating frame 23, so that the support frame 22 can rotate around the rotating shaft 24.

[0048] like Figure 1-7 As shown, as a preferred embodiment of the present invention, the power assembly 13 includes a power part, a control panel 132, a fan wheel 131 and a display screen 133. The power part is connected to the fan wheel 131 in a transmission manner. The power part is used to provide power to the fan wheel 131 so as to drive the fan wheel 131 to rotate so as to generate airflow. The control panel 132 is used to install a switch button and a charging interface 1322. The control panel 132 is installed on the inner wall of the mounting shell 11. The control panel 132 is electrically connected to the display screen 133.

[0049] In an embodiment of the present utility model, preferably, the power assembly 13 is mainly composed of a power part, a control panel 132, a fan wheel 131 and a display screen 133. The power part can be an electric motor or a motor. The transmission end of the power part is connected to the fan wheel 131 and drives the fan wheel 131 to rotate. The fan wheel 131 rotates to draw air from the heat dissipation hole 111 or the air inlet of the mounting shell 11 and discharges it from the air outlet 112, generating airflow to achieve a cooling effect. The power part and the display screen 133 are electrically connected to the control panel 132 respectively. A switch button, a charging interface 1322 and other electronic components can be installed on the control panel 132. The switch button and the charging interface 1322 can be positioned at the bottom of the mounting shell 11 to facilitate turning on or off the portable fan and charging the portable fan.

[0050] like Figure 1-7 As shown, as a preferred embodiment of the present invention, the display screen 133 is installed on the outer wall of the mounting shell 11 through a mounting bracket 1331, a plurality of connecting protrusions are provided on the bottom surface of the mounting bracket 1331, and the connecting protrusions are connected to the mounting shell 11, and the top surface of the mounting bracket 1331 is connected to the display screen 133 through a cylindrical protrusion, and an air inlet is provided on the mounting bracket 1331, and the air inlet is used to guide air into the interior of the fan body 1, and the display screen 133 is used to display the power supply and wind speed position of the fan.

[0051] In an embodiment of the utility model, preferably, the display screen 133 is mainly used to display the opening status, wind speed level and power percentage of the portable fan, so that the user can charge the portable fan in time through the charging interface 1322 according to the power percentage, so that it can be used when going out. The display screen 133 is installed on the mounting shell 11 through a mounting bracket 1331 with a certain height, and an air inlet is provided on the mounting bracket 1331 so that it is opposite to the fan wheel 131 so that the fan wheel 131 can inhale air. The mounting bracket 1331 can be installed on the first mounting hole of the first surface shell 114. The first mounting hole is connected to the air inlet, which not only facilitates the air to be inhaled by the fan wheel 131, but also can dissipate heat for the display screen 133, power parts, etc.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A portable fan, characterized in that: The portable fan comprises: A fan body, wherein the fan body is mounted with a power assembly and a bracket assembly via a mounting shell, the mounting shell being provided with an internal cavity for mounting the power assembly, the bracket assembly being mounted on an outer wall of the mounting shell, and the power assembly being used to generate airflow; The bracket assembly is provided with a mounting seat, a rotating frame and a supporting frame. The mounting seat is installed on the mounting shell. The rotating frame is rotatably connected to the mounting seat. The rotating frame is used to adjust the direction of the supporting frame. The supporting frame is rotatably connected to the rotating frame. The supporting frame is used to support the fan body.

2. The portable fan according to claim 1, wherein The fan body also includes a protective shell, which is connected to the mounting shell and is installed on the outer side of the mounting shell. The protective shell is cylindrical and is provided with a first positioning hole and a second positioning hole. The first positioning hole and the second positioning hole are respectively provided on two opposite sides of the protective shell. The first positioning hole is used to position the mounting shell, and the second positioning hole is used to position the mounting seat of the bracket assembly.

3. The portable fan according to claim 1, wherein The mounting shell includes a first surface shell, a second surface shell and a top shell, wherein the first surface shell and the second surface shell are semi-enclosed shells respectively, and the first surface shell is provided with a first mounting protrusion, a first positioning protrusion and a first mounting hole, wherein the first mounting protrusion is used to mount the second surface shell, the first positioning protrusion is used to position the top shell, and the first mounting hole is used to mount the power assembly; The second side shell is provided with a first mounting groove, a second positioning protrusion, a second mounting hole and a heat dissipation hole. The first mounting groove cooperates with the first mounting protrusion to connect the first side shell and the second side shell. The second positioning protrusion is used to position the top shell. The second mounting hole is used to install the bracket assembly. The heat dissipation hole is used to allow air to circulate inside the fan body to achieve heat dissipation.

4. The portable fan according to claim 3, characterized in that The top shell includes an air outlet plate and a mounting ring. The air outlet plate is provided with a plurality of strip-shaped air outlet holes. The air outlet holes are used to discharge air to facilitate the outflow of air generated by the power assembly. The air outlet plate is provided with a mounting portion and a positioning portion. The outer diameter of the mounting portion is smaller than the outer diameter of the positioning portion. The mounting portion is connected to the first positioning protrusion of the first shell and the second positioning protrusion of the second shell through the first connecting hole. The positioning portion is used to position the mounting ring. The front of the mounting ring is mounted on the air outlet plate. A plurality of first positioning grooves are provided on the back of the mounting ring. The first positioning grooves are used to position a first positioning protrusion and a second positioning protrusion respectively.

5. The portable fan according to claim 1, wherein The upper end surface of the mounting seat is provided with a second mounting groove for mounting a rotating frame and a support frame, a third mounting hole and a plurality of positioning blocks in a circular array are provided at the center of the wall surface of the second mounting groove, the third mounting hole is used for mounting the rotating frame, the positioning block is used for positioning the rotating frame, and a plurality of cylindrical second mounting protrusions are provided on the lower end surface of the mounting seat, and the second mounting protrusions are mounted on the mounting shell through fixing members.

6. The portable fan according to claim 5, characterized in that The rotating frame is provided with a rotating part and a connecting part, and a strip-shaped protrusion is provided on the upper end surface of the rotating part, and the strip-shaped protrusion is used for the user to grasp so that the user can rotate the rotating frame to adjust the direction of the support frame. A third mounting protrusion and a plurality of positioning grooves in an annular array are provided at the center position of the lower end surface of the rotating part, and the third mounting protrusion is installed on the third mounting hole of the mounting seat through a rotating member, and the positioning groove is used to cooperate with the positioning block to connect the rotating frame to the mounting seat, and the connecting part is provided with a fourth mounting hole, and the fourth mounting hole is rotatably connected to the support frame.

7. The portable fan according to claim 6, characterized in that The support frame is semi-closed ring-shaped, and fifth mounting holes are respectively provided on two opposite sides of the support frame opening. The fifth mounting hole is connected to the fourth mounting hole through a rotating shaft so that the support frame is rotatably connected to the rotating frame to facilitate the support frame to support the fan body.

8. The portable fan according to claim 1, wherein The power assembly includes a power part, a control panel, a fan wheel and a display screen. The power part is connected to the fan wheel in a transmission manner. The power part is used to provide power to the fan wheel so as to drive the fan wheel to rotate in order to generate airflow. The control panel is used to install a switch button and a charging interface. The control panel is installed on the inner wall of the mounting shell. The control panel is electrically connected to the display screen.

9. The portable fan according to claim 8, characterized in that The display screen is mounted on the outer wall of the mounting shell via a mounting bracket. A plurality of connecting protrusions are provided on the bottom surface of the mounting bracket, and the connecting protrusions are connected to the mounting shell. The top surface of the mounting bracket is connected to the display screen via a cylindrical protrusion. An air inlet is provided on the mounting bracket, and the air inlet is used to guide air into the interior of the fan body. The display screen is used to display the power supply and wind speed level of the fan.

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