Wearable portable fan

Abstract

The utility model discloses a wearable carry-on fan, which comprises a main shell, an installation frame, an electric control area and a fan area, the electric control area and the fan area are formed on the installation frame, the electric control area and the fan area are arranged back to back relative to the installation frame, and the electric control area and the fan area are arranged in an open mode. An air duct wall and a fan arranged in the air duct wall are arranged in the fan area, and a circuit board and a battery which are electrically connected are arranged in the electric control area; the end cover assembly is closed in the electric control area and the fan area, a clamping area is formed on the side of the electric control area, an air inlet area is formed on the side of the fan area, and the clamping area, the electric control area, the fan area and the air inlet area are sequentially arranged in the height direction; the air conditioner further comprises an air outlet area arranged on the peripheral side wall of the mounting frame, the air outlet area is perpendicular to the air inlet area and communicates with the air duct wall, and therefore the assembling efficiency is further improved.

Description

Technical Field

[0001] This utility model relates to the field of portable fan technology, specifically to a wearable personal fan. Background Technology

[0002] In existing technologies, clothing-clamping portable fans typically employ a horizontal functional partition layout, resulting in the clamping mechanism, battery assembly, and fan assembly being arranged in an interlaced manner across multiple spatial dimensions. This layout complicates the assembly process: each component requires assembly operations along different axes, necessitating multiple adjustments to the workpiece's posture during production, thus increasing the production line cycle time.

[0003] In conclusion, the existing technology of portable fans that clip onto clothing limits the mass production efficiency and performance of the products, and breakthroughs are urgently needed through structural innovation. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a wearable portable fan.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] A wearable portable fan, comprising:

[0007] The main housing includes a mounting bracket, and an electrical control area and a fan area formed on the mounting bracket. The electrical control area and the fan area are arranged opposite to each other with respect to the mounting bracket and are open to each other. The fan area is provided with an air duct wall and a fan arranged in the air duct wall. The electrical control area is provided with an electrically connected circuit board and a battery.

[0008] The end cap assembly closes the electronic control area and the fan area, and forms a clamping area on the side of the electronic control area and an air intake area on the side of the fan area. The clamping area, the electronic control area, the fan area and the air intake area are arranged sequentially in the height direction.

[0009] It also includes an air outlet area arranged on the side wall of the mounting frame, which is perpendicular to the air inlet area and connected to the duct wall.

[0010] Furthermore, the end cap assembly includes: an upper end cap, which is closed to the electronic control area, and a clamping plate is rotatably provided on the upper end cap, the clamping plate defining a clamping area on the surface of the upper end cap.

[0011] The lower end cover is closed with the fan area and has an air inlet slot that communicates with the air duct wall. An air inlet frame is provided on the surface of the air inlet slot, and the air inlet frame and the lower end cover form an air inlet area.

[0012] Furthermore, the end cap assembly includes an upper end cap and a lower end cap. The mounting bracket has a bolt position for connecting to the lower end cap. The upper end cap is fastened to the mounting bracket and covers the bolt position.

[0013] Furthermore, the circuit board and the battery are at least partially placed within the projected area of ​​the air duct wall in the height direction; the electronic control area is connected to the fan area, or the electronic control area is connected to the air outlet area.

[0014] Furthermore, the mounting bracket includes a planar extending body and peripheral sidewalls extending on both sides of the body in the height direction. The peripheral sidewalls and the body are provided with connecting members that cooperate with the end cap assembly. The end cap assembly closes with the peripheral sidewalls and defines the electronic control area and the fan area.

[0015] Furthermore, the circuit board and battery are arranged horizontally, the main body is provided with an opening connecting the electronic control area and the fan area, and the circuit board is electrically connected to the fan.

[0016] Furthermore, the circuit board is provided with a charging connection position and a switch component for controlling the battery on / off state. The charging connection position and the switch component are respectively disposed on the peripheral sidewall and the end cover assembly.

[0017] Furthermore, the switch component includes a switch body and curved arms extending on both sides of the switch body. The lower end cover is provided with a connecting protrusion. The curved arms are sleeved on the connecting protrusion and keep the switch component connected to the lower end cover. The circuit board is provided with an actuating element disposed opposite to the switch body.

[0018] Furthermore, the clamping area is provided with a rotating base and a clamping plate rotatably mounted on the rotating base. The clamping plate is located on the surface of the end cap assembly, and the rotating base has a built-in elastic element. The elastic element is connected to the clamping plate and provides a force for the clamping plate to rotate toward the end cap assembly.

[0019] Furthermore, the duct wall is configured as a volute, and the duct wall is open away from the mounting frame. The end cap assembly closes the duct wall. The duct wall extends towards the air outlet area to the peripheral wall of the mounting frame. The air outlet area is provided with multiple air guide ribs, which are gradually tapered in the air outlet direction.

[0020] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0021] This utility model uses the mounting frame as a boundary. By closing the end cap assemblies on both sides of the mounting frame, a clamping area, an electrical control area, a fan area, and an air intake area are formed in an axial sequence along the height direction. This makes the functional areas of the portable fan clearly divided and forms a single assembly axis in the height direction. This allows each component to be assembled in a straight line from top to bottom. Alternatively, components can be pre-assembled on the mounting frame and end cap assemblies, and then the pre-assembled end cap assemblies can be placed on the mounting frame, effectively improving assembly efficiency. At the same time, the components of the clamping area and the air intake area can also be integrated into the end cap assembly, thereby further improving assembly efficiency.

[0022] Compared to traditional three-dimensional staggered assembly processes, this solution reduces workpiece posture adjustment operations, shortens production line cycle time, and significantly reduces labor costs.

[0023] On the other hand, the mounting reference surfaces of the components in the electrical control area and the fan area are all parallel to the height direction, thereby unifying the draft angle of the main housing injection mold, eliminating the complex parting surface problem caused by the traditional multi-directional layout, and reducing mold cost. Attached Figure Description

[0024] Figure 1 This is a structural schematic diagram of the portable fan of this utility model from a first angle;

[0025] Figure 2 This is a structural schematic diagram of the portable fan of this utility model from a second angle;

[0026] Figure 3 This is a structural schematic diagram of the portable fan of this utility model from a third angle;

[0027] Figure 4 This is a structural schematic diagram of the portable fan of this utility model from the fourth angle;

[0028] Figure 5 This is an overall exploded view of the present invention;

[0029] Figure 6 This is another perspective of the overall explosion diagram of this utility model;

[0030] Figure 7 This is an exploded view of the clamping assembly of this utility model;

[0031] Figure 8 This is an exploded view of the clamping component of this utility model from another angle;

[0032] Figure 9 This is a cross-sectional view of the air outlet area of ​​this utility model;

[0033] Figure 10This is a cross-sectional view of the circuit board and battery of this utility model;

[0034] Figure 11 This is a schematic diagram of the fan area of ​​this utility model;

[0035] In the diagram: 1. Main housing; 1.1 Mounting bracket; 1.2 Bolt location; 1.21 Countersunk hole section; 1.22 Connecting part; 1.3 Peripheral side wall; 1.31 Upper side wall; 1.32 Lower side wall; 1.33 Reinforcing frame; 1.4 Main body; 1.41 Through port; 1.42 Connecting port;

[0036] 2. Fan area; 2.1 Fan; 2.2 Assembly space; 2.3 Positioning post; 2.4 Cavity;

[0037] 3. Electrical control area; 3.1 Circuit board; 3.11 Actuating components; 3.2 Battery; 3.3 Charging connection position; 3.4 Limiting block;

[0038] 4. Clamping area; 4.1 Clamping plate; 4.11 Sleeve; 4.12 Clearance opening; 4.2 Rotary seat; 4.3 Elastic element; 4.31 First part; 4.32 Second part;

[0039] 5. Air intake area;

[0040] 6. Air outlet area; 6.1. Air guide ribs; 6.2. Air inlet;

[0041] 7. Air duct wall;

[0042] 8. End cap assembly; 8.1. Upper end cap; 8.11. Extension wall; 8.12. Reinforcing protrusion; 8.13. Rib; 8.2. Lower end cap; 8.21. Connecting protrusion; 8.22. Air inlet slot; 8.23. Air inlet frame; 8.24. Connecting column;

[0043] 9. Connecting components; 9.1. First fastener; 9.2. Second fastener;

[0044] 10. Switch components; 10.1. Curved arm; 10.2. Switch body; 11. Dustproof components; Detailed Implementation

[0045] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0046] It should be understood that although the terms upper, middle, lower, top, one end, etc., appear in this document to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for ease of understanding, and are not used to define any directional or sequential restrictions.

[0047] like Figure 1-11 As shown, a wearable portable fan includes:

[0048] The main housing 1 includes a mounting bracket 1.1, and an electrical control area 3 and a fan area 2 formed on the mounting bracket 1.1. The electrical control area 3 and the fan area 2 are arranged opposite to each other with respect to the mounting bracket 1.1, and the electrical control area 3 and the fan area 2 are open, that is, the openings of the electrical control area 3 and the fan area 2 are opposite to each other. The fan area 2 is provided with an air duct wall 7 and a fan assembly arranged in the air duct wall 7. The fan assembly includes at least a fan 2.1. The electrical control area 3 is provided with an electrically connected circuit board 3.1 and a battery 3.2. The circuit board 3.1 and the battery 3.2 together constitute the electrical control assembly, and the electrical control assembly is electrically connected to the fan 2.1. The mounting bracket 1.1 located between the electrical control area 3 and the fan area 2 provides a wiring channel for the electrical connection between the electrical control assembly and the fan assembly.

[0049] The end cap assembly 8 includes at least two end cap components, which are respectively closed within the electronic control area 3 and the fan area 2. A clamping area 4 is formed on the side of the electronic control area 3, and an air inlet area 5 is formed on the side of the fan area 2. A clamping component is provided on the clamping area 4, and an air inlet component is provided on the air inlet area 5. Preferably, the clamping area 4 and the air inlet area 5 are formed on the surface of the end cap assembly 8 away from the mounting bracket 1.1. The clamping area 4, the electronic control area 3, the fan area 2, and the air inlet area 5 are arranged sequentially in the height direction, so that the functional areas of the portable fan are clearly divided, forming a single assembly axis in the height direction. This allows each component to be assembled in a straight line from top to bottom. Compared with the traditional three-dimensional staggered assembly process, this solution reduces the workpiece posture adjustment operation, shortens the production line cycle time, and significantly reduces labor costs.

[0050] It also includes an air outlet area 6 arranged on the side wall 1.3 of the mounting bracket 1.1, the air outlet area 6 being perpendicular to the air inlet area 5 and connected to the duct wall 7.

[0051] like Figure 5 and Figure 6As shown, in a further embodiment of the mounting bracket 1.1, the mounting bracket 1.1 includes a planar extending body 1.4 and peripheral sidewalls 1.3 extending in the height direction on both sides of the body 1.4. The body 1.4 is a plate-like member, specifically a rectangle, and has rounded corners at the ends. The peripheral sidewalls 1.3 extend along the edge contour of the body 1.4. The peripheral sidewalls 1.3 specifically include an upper sidewall 1.31 and a lower sidewall 1.32. The upper sidewall 1.31, together with the body 1.4, defines an open electronic control area 3, and the lower sidewall 1.32, together with the body 1.4, defines an open fan area. Region 2 creates open installation spaces on both sides of the mounting bracket 1.1, facilitating assembly operations by personnel on the mounting bracket 1.1 without causing interference between the electronic control components and the fan components. Based on this, the end cover assembly 8 closes the electronic control region 3 and the fan components. The clamping components and the air intake components are both mounted on the end cover assembly 8 and are opposite to the surface of the mounting bracket 1.1, which facilitates the configuration of the clamping components and the air intake components on the portable fan and allows the clamping components and the air intake components to be pre-assembled onto the end cover assembly 8, effectively improving assembly efficiency.

[0052] The peripheral sidewall 1.3 and the main body 1.4 are provided with connecting members 9 that cooperate with the end cover assembly 8. The end cover assembly 8 is closed with the peripheral sidewall 1.3, and further defines the electronic control area 3 and the fan area 2. This allows the assembly operation of the end cover assembly to be carried out on both sides without affecting each other. Components can also be pre-assembled on the mounting bracket 1.1 and the end cover assembly 8, and then the pre-assembled end cover assembly 8 can be placed on the mounting bracket 1.1, which effectively improves the assembly efficiency. At the same time, the components of the clamping area 4 and the air inlet area 5 can also be integrated into the end cover assembly 8, thereby further improving the assembly efficiency.

[0053] On the other hand, the mounting reference surfaces of the components in the electronic control area 3 and the fan area 2 are all parallel to the height direction, thereby unifying the draft angle of the injection mold of the main housing 1, eliminating the complex parting surface problem caused by the traditional multi-directional layout, and reducing the mold cost.

[0054] Further reference Figure 5 and Figure 6 and combined Figure 9 As a further embodiment of the end cap assembly 8, the end cap assembly 8 includes:

[0055] The upper cover 8.1 is closed with the electronic control area 3, and the upper cover 8.1 is provided with a clamping assembly. The clamping assembly defines a clamping area 4 on the surface of the upper cover 8.1. The clamping assembly includes at least a clamping plate 4.1 that rotates on the upper cover 8.1. In this way, the clamping assembly and the upper cover 8.1 are modularly integrated.

[0056] The lower end cover 8.2 is closed with the fan area 2 and has an air inlet slot 8.22 that communicates with the air duct wall 7. An air inlet frame 8.23 ​​is provided on the surface of the air inlet slot 8.22. The air inlet frame 8.23 ​​and the lower end cover 8.2 form an air inlet area 5. The air inlet slot 8.22 and the air inlet frame 8.23 ​​constitute an air inlet assembly. In this way, the modular integration of the air inlet assembly, the air inlet area 5 and the lower end cover 8.2 is realized.

[0057] In other embodiments, a metal mesh 12 is also provided between the air inlet ribs 3.1, which serves a protective function while allowing airflow to enter.

[0058] from Figure 9 and Figure 10 As can be seen, both the upper end cover 8.1 and the lower end cover 8.2 are flush with the edge of the peripheral side wall 1.3 of the mounting bracket 1.1, forming a regular outline for the portable fan. The mounting bracket 1.1 has a bolt position 1.2 for connecting to the lower end cover 8.2. The bolt position 1.2 is located in the electrical control area 3. The upper end cover 8.1 is fastened to the mounting bracket 1.1 and covers the bolt position 1.2. In this way, the upper end cover 8.1, the mounting bracket 1.1 and the lower end cover 8.2 are assembled in a single axial direction, ensuring that the position of the fan assembly is fixed before the installation of the electrical control component. This prevents the position of the fan assembly from being touched when connecting the leads of the fan assembly and the electrical control component, thus improving the assembly stability.

[0059] Preferably, the connecting member 9 includes a first fastener 9.1 and a second fastener 9.2 for providing a snap-fit ​​connection between the upper end cover 8.1 and the mounting bracket 1.1. The first fastener 9.1 is disposed on the inner surface of the upper side wall 1.31, and the second fastener 9.2 is disposed at the lower edge of the periphery of the upper end cover 8.1, so that the connecting member 9 between the upper end cover 8.1 and the mounting bracket 1.1 does not occupy the arrangement space of the electronic control components in the electronic control area 3, nor does it occupy the arrangement space of the bolt position 1.2 between the mounting bracket 1.1 and the lower end cover 8.2.

[0060] See Figure 5 and Figure 6As a further embodiment of the connection between the upper end cover 8.1 and the mounting bracket 1.1, the upper end cover 8.1 is flush with the upper edge of the upper side wall 1.31. The first fastener 9.1 is arranged around the upper side wall 1.31. The first fastener 9.1 is specifically a fastener block with a bevel. The second fastener 9.2 is a frame. The fastening is achieved by the docking of the two. The edge of the upper end cover 8.1 also has a downwardly extending extension wall 8.11. The extension wall 8.11 abuts against the inner circumference of the upper side wall 1.31. The extension wall 8.11 is also provided with a reinforcing protrusion 8.12 spaced apart from the second fastener 9.2. The reinforcing protrusion 8.12 is used to increase the structural strength of the upper end cover 8.1 and improve the connection stability between the upper end cover 8.1 and the upper side wall 1.31.

[0061] Preferably, the inner side of the upper cover 8.1 is provided with a plurality of intersecting ribs 8.13, and the reinforcing protrusion 8.12 is integrally formed with the ribs 8.13 and extends to the end of the ribs 8.13.

[0062] Among them, a reinforcing frame 1.33 is provided on the upper side wall 1.31 of the mounting bracket 1.1. The reinforcing frame 1.33 is hollow and extends integrally to the plate-shaped main body 1.4. At least two reinforcing protrusions 8.12 are inserted into the reinforcing frame 1.33 and abut against the inner wall of the reinforcing frame 1.33 to further restrict the position of the upper end cover 8.1 and reduce the movement gap between the upper end cover 8.1 and the upper side wall 1.31.

[0063] As a further embodiment of the connection between the lower end cover 8.2 and the mounting bracket 1.1, the duct wall 7 extends integrally to the lower side of the main body 1.4, wherein the extension direction of the duct wall 7 is consistent with that of the lower side wall 1.32, and an assembly space 2.2 is provided between the duct wall 7 and the lower side wall 1.32. This assembly space 2.2 is used for the aforementioned bolt position 1.2, specifically referring to the countersunk portion 1.21 for inserting bolts, and the connecting portion 1.22 extending relative to the countersunk portion 1.21. The lower end cover 8.2 has a connecting post 8.24 coaxially arranged with the countersunk portion 1.21 corresponding to the connecting portion 1.22. The connecting portion 1.22 has a groove for inserting the connecting post 8.24, and the connecting post 8.24 has a threaded inner hole for bolt mating. The countersunk portion 1.21... Within the assembly space 2.2, corresponding to the side of the main body 1.4 near the electrical control area 3, the connecting part 1.22 is located within the assembly space 2.2, corresponding to the side of the main body 1.4 near the fan area 2. Before the lower end cover 8.2 mates with the mounting bracket 1.1, the fan 2.1 is first positioned in the duct wall 7. Preferably, the duct wall 7 is provided with a positioning component corresponding to the fan 2.1. In this way, the installation of the lower end cover 8.2 limits the fan 2.1 and closes the open fan area 2. At the same time, the space between the duct wall 7 and the lower side wall 1.32 is fully utilized, and bolt positions 1.2 for bolt connection are arranged on the front and back sides of the main body 1.4. After the lower end cover 8.2 is positioned on the mounting bracket 1.1, bolt connection is made on the side of the electrical control area 3 to fix the lower end cover 8.2 on the mounting bracket 1.1.

[0064] from Figure 6 As can be seen, as an option, a positioning post 2.3 is provided in the air duct wall 7 to be inserted and matched with the fan 2.1. The air duct wall 7 is also provided with a recessed cavity 2.4, which is set to correspond to the fan 2.1, thereby positioning the fan 2.1 in the air duct wall 7.

[0065] In some embodiments, the upper end cover 8.1 and the lower end cover 8.2 may both be provided with a snap-fit ​​connection, or both may be provided with a bolt connection.

[0066] Combination Figure 10As shown, specifically, the circuit board 3.1 and the battery 3.2 are at least partially placed within the projected area of ​​the air duct wall 7 in the height direction. During operation, the fan assembly works, allowing airflow to enter the fan area 2 through the air inlet assembly at the axial end of the portable fan, and then be guided by the air duct wall 7 before being output in the air outlet area 6 on the side of the portable fan. It should be noted that, thanks to the above spatial layout, the fan area 2 and the electronic control area 3 share the same structural surface of the mounting bracket 1.1, meaning that the incoming airflow can effectively cool the electronic control components in the electronic control area 3 through the plate-shaped main body 1.4. Of course, there is a wiring opening 1.41 between the electronic control area 3 and the fan area 2, allowing the electronic control area 3 to connect with the fan area 2, which can also achieve heat dissipation for the electronic control area 3. In some embodiments, an additional heat dissipation channel is provided for heat exchange in the electronic control area 3.

[0067] In other embodiments, the air outlet area 6 located on the peripheral sidewall 1.3 extends to the electronic control area 3, so that the electronic control area 3 is connected to the air outlet area 6, thereby enabling the electronic control area 3 to communicate with the outside air. At least part of the airflow can enter through the opening 1.41 between the electronic control area 3 and the fan area 2 and be discharged from the air outlet area 6 to achieve heat dissipation.

[0068] from Figure 10 As can be seen, the circuit board 3.1 and the battery 3.2 are arranged horizontally, and the main body 1.4 is provided with an opening 1.41 connecting the electronic control area 3 and the fan area 2. The circuit board 3.1 is electrically connected to the fan 2.1. By arranging the circuit board 3.1 and the battery 3.2 horizontally, the axial height of the portable fan can be further reduced. In some embodiments, the size of the battery 3.2 is increased in order to ensure working time, which increases the radial size of the portable fan. On this basis, the size of the clamping plate 4.1 is also increased accordingly, thereby further increasing the clamping area and improving the wearing stability of the portable fan.

[0069] Preferably, a limiting block 3.4 for limiting the circuit board 3.1 is also provided in the electronic control area 3. In some embodiments, the limiting block 3.4 may also be provided on the periphery of the battery 3.2 or at the bottom of the battery 3.2.

[0070] In this embodiment, the portable fan is configured for USB charging. The circuit board 3.1 is provided with a charging connection position 3.3 and a switch member 10 for controlling the on / off state of the battery 3.2. The charging connection position 3.3 and the switch member 10 are respectively disposed on the peripheral sidewall 1.3 and the end cover assembly 8.

[0071] Preferably, the charging connection position 3.3 is located on the peripheral sidewall 1.3, specifically on the upper sidewall 1.31. At least one reinforcing protrusion 8.12 is provided on both sides of the charging connection position 3.3. The peripheral sidewall 1.3 is provided with a charging port corresponding to the charging connection position 3.3, and a dustproof component 11 is detachably provided on the charging port. The dustproof component 11 is a conventional accessory in general USB charging devices, and will not be described in detail here.

[0072] Reference Figure 5 and Figure 6 As a further embodiment of the switch component 10, the switch component 10 includes a switch body 10.2, which is positioned on the lower end cover 8.2 and has a connecting port 1.42 on the plate-shaped body 1.4 that connects the electronic control area 3 and the fan area 2. The connecting port 1.42 is located in the assembly space 2.2 outside the air duct wall 7, and the switch body 10.2 is disposed in the connecting port 1.42.

[0073] Furthermore, the switch component 10 also includes curved arms 10.1 extending on both sides of the switch body 10.2. The curved arms 10.1 have staggered arcs. The lower end cover 8.2 is provided with a connecting protrusion 8.21. The curved arms 10.1 are sleeved on the connecting protrusion 8.21 and keep the switch component 10 connected to the lower end cover 8.2. By setting the curved arms 10.1, the positional movement of the switch component 10 is restricted within the limited assembly space 2.2, and the switch component 10 is positioned on the lower end cover 8.2. The circuit board 3.1 is provided with an actuating element 3.11 disposed opposite to the switch body 10.2. The actuating element 3.11 is disposed opposite to the communication port 1.42.

[0074] like Figure 7 and Figure 8 As shown, as a further embodiment of the clamping area 4, the clamping area 4 is provided with a rotating base 4.2 and a clamping plate 4.1 rotatably disposed on the rotating base 4.2. The clamping plate 4.1 and the rotating base 4.2 are located on the surface of the upper end cover 8.1 of the end cover assembly 8, and the rotating base 4.2 has an elastic element 4.3 built in it. The elastic element 4.3 is connected to the clamping plate 4.1 and provides a force for the clamping plate 4.1 to rotate toward the end cover assembly 8, thereby realizing the wearing and clamping of the portable fan on clothing through the clamping plate 4.1.

[0075] Specifically, the elastic element 4.3 is configured as a rod-shaped member with elasticity, such as an iron wire with elastic restoring force. The elastic element 4.3 is configured with a U-shaped first part 4.31 and a second part 4.32 extending on both sides of the first part 4.31. The first part 4.31 is placed inside the rotating seat 4.2, and the second part 4.32 extends along the length direction of the rotating seat 4.2 and the clamping plate 4.1, forming a U-shape perpendicular to the first part 4.31. The clamping plate 4.1 abuts against the second part 4.32 and presses against the second part 4.32 during the rotation and opening of the clamping plate 4.1, forcing the second part 4.32 to bend and deform, while the first part 4.31, placed inside the rotating seat 4.2, does not deform, so as to provide the clamping plate 4.1 with a force towards the upper end cap 8.1. Compared with the spring-actuated means in the prior art, this rod-shaped elastic element 4.3 has better fatigue strength and restoring force. At the same time, the U-shaped second part 4.32 also provides a larger abutment area for the clamping plate 4.1.

[0076] Furthermore, the bottom of the clamping plate 4.1 has a sleeve 4.11, which is hollow to allow the rotating seat 4.2 to be inserted. The sleeve 4.11 and the rotating seat 4.2 are rotatably connected through a shaft hole, and one end of the sleeve 4.11 has a clearance opening 4.12 for providing rotation space and rotation limit.

[0077] like Figure 11 As shown, as a further embodiment of the fan area 2, the duct wall 7 is arranged in the form of a volute, and the duct wall 7 is open away from the mounting frame 1.1. The end cap assembly 8 closes the duct wall 7. The duct wall 7 extends towards the air outlet area 6 to the peripheral side wall 1.3 of the mounting frame 1.1. The air outlet area 6 is provided with a plurality of air guide ribs 6.1, which are gradually tapered in the air outlet direction. In this way, the guiding effect of the airflow on the air outlet area 6 is increased to optimize the air outlet effect.

[0078] Among them, the main body 1.4 of the mounting bracket 1.1 is provided with a sloping air guide 6.2 connected to the air guide 6.1 at the air outlet area 6. This method effectively increases the diffusion effect of the airflow at the air duct wall 7 and improves the effective area of ​​the output airflow.

[0079] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A wearable portable fan, characterized in that, include: The main housing (1) includes a mounting bracket (1.1), and an electrical control area (3) and a fan area (2) formed on the mounting bracket (1.1). The electrical control area (3) and the fan area (2) are arranged opposite to each other with respect to the mounting bracket (1.1), and the electrical control area (3) and the fan area (2) are open to each other. The fan area (2) is provided with a duct wall (7) and a fan (2.1) arranged in the duct wall (7). The electrical control area (3) is provided with an electrically connected circuit board (3.1) and a battery (3.2). The end cap assembly (8) is closed between the electronic control area (3) and the fan area (2), and forms a clamping area (4) on the side of the electronic control area (3) and an air intake area (5) on the side of the fan area (2). The clamping area (4), the electronic control area (3), the fan area (2) and the air intake area (5) are arranged sequentially in the height direction. It also includes an air outlet area (6) arranged on the side wall (1.3) of the mounting bracket (1.1), the air outlet area (6) being perpendicular to the air inlet area (5) and connected to the duct wall (7).

2. The wearable portable fan according to claim 1, characterized in that: The end cap assembly (8) includes: The upper end cover (8.1) is closed with the electronic control area (3), and the upper end cover (8.1) is rotatably provided with a clamping plate (4.1), which defines a clamping area (4) on the surface of the upper end cover (8.1). The lower end cover (8.2) is closed with the fan area (2) and has an air inlet slot (8.22) that communicates with the air duct wall (7). An air inlet frame (8.23) is provided on the surface of the air inlet slot (8.22). The air inlet frame (8.23) and the lower end cover (8.2) form an air inlet area (5).

3. A wearable portable fan according to claim 1, characterized in that: The end cap assembly (8) includes an upper end cap (8.1) and a lower end cap (8.2). The mounting bracket (1.1) has a bolt position (1.2) for connecting to the lower end cap (8.2). The upper end cap (8.1) is fastened to the mounting bracket (1.1) and covers the bolt position (1.2).

4. A wearable portable fan according to claim 1, characterized in that: The circuit board (3.1) and the battery (3.2) are at least partially placed within the projected area of ​​the air duct wall (7) in the height direction; the electronic control area (3) is connected to the fan area (2), or the electronic control area (3) is connected to the air outlet area (6).

5. A wearable portable fan according to claim 1, characterized in that: The mounting bracket (1.1) includes a planar extending body (1.4) and peripheral sidewalls (1.3) extending in the height direction on both sides of the body (1.4). The peripheral sidewalls (1.3) and the body (1.4) are provided with connecting members (9) that cooperate with the end cap assembly (8). The end cap assembly (8) closes with the peripheral sidewalls (1.3) and defines the electronic control area (3) and the fan area (2).

6. A wearable portable fan according to claim 5, characterized in that: The circuit board (3.1) and the battery (3.2) are arranged horizontally, and the main body (1.4) is provided with an opening (1.41) connecting the electronic control area (3) and the fan area (2). The circuit board (3.1) is electrically connected to the fan (2.1).

7. A wearable portable fan according to claim 2, characterized in that: The circuit board (3.1) is provided with a charging connection position (3.3) and a switch component (10) for controlling the on / off state of the battery (3.2). The charging connection position (3.3) and the switch component (10) are respectively disposed on the peripheral sidewall (1.3) and the end cover assembly (8).

8. A wearable portable fan according to claim 7, characterized in that: The switch component (10) includes a switch body (10.2) and curved arms (10.1) extending on both sides of the switch body (10.2). The end cap assembly (8) is provided with a connecting protrusion (8.21). The curved arms (10.1) are sleeved on the connecting protrusion (8.21) and keep the switch component (10) connected to the lower end cap (8.2). The circuit board (3.1) is provided with a trigger (3.11) disposed opposite to the switch body (10.2).

9. A wearable portable fan according to claim 1, characterized in that: The clamping area (4) is provided with a rotating base (4.2) and a clamping plate (4.1) rotatably disposed on the rotating base (4.2). The clamping plate (4.1) is located on the surface of the end cap assembly (8), and the rotating base (4.2) has an elastic element (4.3) built in it. The elastic element (4.3) is connected to the clamping plate (4.1) and provides a force for the clamping plate (4.1) to rotate toward the end cap assembly (8).

10. A wearable portable fan according to claim 1, characterized in that: The air duct wall (7) is arranged in the shape of a volute. The air duct wall (7) is open away from the mounting frame (1.1). The end cap assembly (8) closes the air duct wall (7). The air duct wall (7) extends towards the air outlet area (6) to the peripheral side wall (1.3) of the mounting frame (1.1). The air outlet area (6) is provided with a plurality of air guide ribs (6.1). The plurality of air guide ribs (6.1) are gradually reduced in the air outlet direction.

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