Portable fan

Abstract

The application provides a portable fan, comprising: a blowing part, comprising a shell and a fan assembly arranged in the shell, the shell comprising an inner shell and an outer shell arranged inside and outside; a supporting part, the supporting part being provided with a power supply part, the power supply part providing power for the fan assembly; wherein the blowing part further comprises a connecting part, the connecting part being protrudingly arranged outside the outer shell, and the connecting part being pivotally connected with the supporting part. The connecting part and the supporting part are pivotally connected, so that the blowing part can blow air at multiple angles, and through the connecting part protruding from the outer shell, some internal electrical elements can be dispersedly stored, and the space distribution is more reasonable.

Description

Technical Field

[0001] This application relates to the field of fan technology, and more specifically to a portable fan that can pivot and fold. Background Technology

[0002] Existing portable fans typically include an air supply section and a support section. The air supply section houses the fan assembly, while the support section houses the power supply unit, which provides power to the fan assembly to drive its rotation.

[0003] However, the fixed connection of the air supply unit and support unit has a relatively limited range of uses and cannot meet the needs of users in different scenarios. Summary of the Invention

[0004] In view of this, this application provides a portable fan in which the connecting part and the support part are pivotally connected, thereby enabling the air supply part to supply air at multiple angles, and through the connecting part protruding from the outer shell, some internal electrical components can be distributed and stored, resulting in a more reasonable space distribution.

[0005] This application provides a portable fan, including: an air delivery part, including a housing and a fan assembly disposed within the housing, the housing including an inner shell and an outer shell disposed inside and outside; a support part, the support part having a power supply component disposed therein, the power supply component providing power to the fan assembly; wherein, the air delivery part further includes a connecting part, the connecting part protruding from the outer side of the housing, the connecting part being pivotally connected to the support part.

[0006] Furthermore, the connecting part is integrally formed with the outer shell, and a wire passage space is provided between the inner shell and the outer shell, and / or a wire passage space is provided between the inner shell and the connecting part.

[0007] Furthermore, the inner shell includes a mounting base near the air outlet side. The mounting base includes a mounting portion and a hollow cable guide structure disposed outside the mounting portion. The mounting portion is connected to the cable guide structure, and the cable guide structure is connected to the connecting portion. At least a portion of the cable guide structure is radially projected onto the mounting portion and the connecting portion.

[0008] Furthermore, the inner shell also includes a cover body near the air inlet side. The fan assembly includes a motor and fan blades. The motor is mounted on the mounting portion, and the cover body covers the outside of the fan blades. The cover body extends forward and has a portion that radially overlaps with the wiring structure. The cover body has a notch that connects the wiring structure and the connecting portion.

[0009] Furthermore, the connection between the connecting part and the support part is located near the air inlet side, and the connecting part and the support part are connected by a pivot.

[0010] Furthermore, the pivot member protrudes towards the air inlet side relative to the support and connecting parts.

[0011] Furthermore, the pivot member includes a cylindrical portion, and the pivot angle between the connecting portion and the supporting portion is 0-120 degrees.

[0012] Furthermore, the width of the pivot member is smaller than the width of the support portion, and the wires pass from the connection portion through the pivot member and enter the support portion from the left and right sides of the pivot member.

[0013] Furthermore, the support portion contains at least two circuit boards, which are arranged perpendicularly to each other.

[0014] Furthermore, the shapes of the opposite portions of the connecting portion and the supporting portion are matched, and the opposite portions of the connecting portion and the supporting portion are both planar; or, of the opposite portions of the connecting portion and the supporting portion, one has a recessed portion and the other has a protruding portion.

[0015] Compared with the prior art, the portable fan of this application has the following advantages: the connecting part and the support part are pivotally connected, so that the air supply part can deliver air at multiple angles, and through the connecting part protruding from the outer shell, some internal electrical components can be stored in a distributed manner, and the space distribution is more reasonable. Attached Figure Description

[0016] Figure 1 This is a perspective view of a portable fan according to one embodiment of the present application;

[0017] Figure 2 yes Figure 1 A sectional view;

[0018] Figure 3 This is a schematic diagram of the outer casing and connecting parts of this application;

[0019] Figure 4 This is a schematic diagram of the circuit board and the air supply unit of this application.

[0020] Figure 5 This is an exploded view of the air supply section of this application;

[0021] Figure 6 This is a perspective view of a portable fan according to another embodiment provided in this application;

[0022] Figure 7 yes Figure 6 A schematic diagram of the pivoting state;

[0023] Figure 8 This is a schematic diagram showing the screen and buttons located on the same circuit board. Detailed Implementation

[0024] To facilitate a better understanding of the purpose, structure, features, and effects of this application, the application will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0025] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intervening component present.

[0026] In this application, the use of terms such as "first" and "second" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0027] In the description of this application, the terms "front", "rear", "left", "right", "upper", "lower", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0028] like Figure 1 and Figure 2 As shown, this application provides a portable fan. The portable fan includes an air delivery part 1 and a support part 2. The air delivery part 1 includes a housing 11 and a fan assembly 4 disposed within the housing 11. The support part 2 is provided with a power supply component 5, which provides power to the fan assembly 4. In this embodiment, the portable fan is a handheld fan. In other embodiments, the portable fan may also be a neck fan, a desktop fan, etc.

[0029] like Figures 2 to 4 As shown, the support portion 2 also includes two electrically connected circuit boards, which are arranged perpendicularly to each other. Specifically, the circuit boards include a horizontally arranged first circuit board 61 and a vertically arranged second circuit board 62. In portable fans, the internal space of the support portion 2 is limited, especially when the power supply component 5 is placed there. Therefore, by providing two circuit boards and arranging the first circuit board 61 and the second circuit board 62 perpendicularly to each other, the connections between the wires, connectors, and circuit boards are distributed, thereby solving the problem of limited internal space in the support portion 2. In other embodiments, the support portion 2 may also provide more than two circuit boards.

[0030] like Figures 2 to 5As shown, the air supply unit 1 also includes a connecting part 16, which protrudes from the outer side of the housing 11 and is connected to the support part 2. In this embodiment, the connecting part 16 and the housing 11 are integrally formed, which saves assembly time and makes the connection between the connecting part 16 and the housing 11 more stable. Specifically, the housing 11 includes an inner shell 13 and an outer shell 12, which are integrally formed.

[0031] like Figures 2 to 5 As shown, the connecting part 16 is inserted downward into the support part 2. The connecting part 16 has multiple hollowed-out portions 161, and the inner side of the shell wall of the support part 2 has protruding posts 21 that insert into the hollowed-out portions 161. Specifically, the connecting part 16 has hollowed-out portions 161 on both the air inlet and air outlet sides, and the shell wall of the support part 2 has protruding posts 21 on both the air inlet and air outlet sides. The support part 2 includes two interlocking half-shells, and the multiple protruding posts 21 of the two half-shells are respectively inserted into the multiple hollowed-out portions 161, thereby ensuring a stable connection between the connecting part 16 and the support part 2. Furthermore, because the connecting part 16 is inserted into the support part 2, the connection between the air supply part 1 and the handheld part can be well hidden, resulting in a simpler and more aesthetically pleasing appearance.

[0032] like Figures 2 to 4 As shown, the first circuit board 61 is fixed upward to the connecting portion 16. Specifically, the connecting portion 16 may be provided with a fixing post, and the fixing member passes through the first circuit board 61 and is fixed upward to the fixing post, thereby preventing the first circuit board 61 from shifting. The supporting portion 2 is provided with an outwardly exposed interface 71 and an anti-accidental touch button 72, both of which are electrically connected to the first circuit board 61. In this embodiment, one of the interface 71 and the anti-accidental touch button 72 is located above the first circuit board 61, and the other is located below the first circuit board 61, thereby maximizing the utilization of the layout space of the first circuit board 61. Of course, at least one of the interface 71 and the anti-accidental touch button 72 can also be located on the edge of the first circuit board 61, as long as the connector terminals of the interface 71 or the anti-accidental touch button 72 can be soldered to the surface of the first circuit board 61.

[0033] like Figures 2 to 4As shown, the second circuit board 62 is disposed between the support portion 2 and the connecting portion 16. The connecting portion 16 is inserted downward into the outer wall of the support portion 2, which serves to limit the second circuit board 62. In addition, to further fix the second circuit board 62, a foolproof part can be provided on the front side of the outer wall of the connecting portion 16. The foolproof part passes directly through the second circuit board 62, thereby limiting the second circuit board 62. Similar to the first circuit board 61, the connecting portion 16 can be provided with a fixing post. The fixing member passes through the second circuit board 62 and is fixed to the connecting portion 16, thereby preventing the second circuit board 62 from shifting. In this embodiment, the second circuit board 62 is disposed in the area of ​​the support portion 2 near the air outlet side. Of course, the second circuit board 62 can also be disposed on the left or right side of the support portion 2. The support portion 2 is provided with an outwardly exposed switch 74, which is electrically connected to the second circuit board 62.

[0034] The first circuit board 61 is also provided with a control chip, which is used to control the operation of the circuit.

[0035] In this embodiment, the power supply component 5 is located below the two circuit boards. The power supply component 5 is connected to the first circuit board 61, and the first circuit board 61 is connected to the fan assembly 4. The fan assembly 4 includes a high-speed motor 41. This enables the power supply component 5 to drive the high-speed motor 41.

[0036] like Figures 6 to 8 As shown, in this embodiment, the switch 74 includes a button. The support part 2 also includes an outwardly exposed screen 73. The screen 73 and the button are located on the same circuit board, that is, both the screen 73 and the button are located on the second circuit board 62. The screen 73 and the button share a single circuit board, which avoids additional cables and connectors and reduces internal space occupation. The switch command and screen feedback signal are transmitted within the same board, and the shortened path reduces signal attenuation and electromagnetic interference risks. When the user adjusts the fan speed through the physical switch in the same area, the screen 73 displays information such as the speed setting and battery level in real time, making the operation intuitive and providing timely feedback without needing to shift the user's gaze or repeatedly confirm the status. In this embodiment, the button is a physical button, and the screen 73 only has a display function. In other embodiments, the screen 73 can also be a touch screen, and the button is integrated into the screen 73. The screen 73 and the button are located facing the user on the air outlet side, so that after the user presses the button, they can more intuitively feel the change in fan speed and the change in the screen 73, making the interaction smoother.

[0037] like Figures 6 to 8As shown, in this embodiment, the screen 73, the buttons, and the circuit board are disposed on the support portion 2. The support portion 2 includes a boss 22, and the screen 73 and the buttons are disposed in the area of ​​the boss 22. The front surface of the boss 22 does not exceed the front surface of the air supply portion 1, thereby preventing the support portion 2 from protruding too much. The boss 22 is provided in two ways: firstly, it allows the relatively rounded support portion 2 to be placed flat on a plane; secondly, the boss 22 provides space for the second circuit board 62.

[0038] like Figures 6 to 8 As shown, in this embodiment, the air supply unit 1 includes the connecting part 16, which is pivotally connected to the support part 2. By pivotally connecting the connecting part 16 to the support part 2, the portable fan can have multiple usage forms and more diverse applications. In the folded state, it can be used on a desktop, wrapped with a cord, or hung around the neck, among other scenarios.

[0039] The connection between the connecting part 16 and the support part 2 is located on the air inlet side. Therefore, when the support part 2 is hung around the neck with lanyards on both sides, it is only necessary to rotate the air supply part 1 and the support part 2 to change the air supply part 1 from horizontal to vertical air supply, thus freeing the user's hands. However, when the portable fan is hung around the neck with lanyards, to avoid accidental button presses, the button can be flush with the surface of the protrusion 22, or the button can be slightly recessed into the surface of the protrusion 22.

[0040] In other embodiments, the screen 73, the buttons, and the circuit board may also be housed within the connecting portion 16. That is, only the power supply component is housed within the support portion 2, thereby reducing the length of the support portion 2 and correspondingly increasing the length of the connecting portion 16.

[0041] like Figures 6 to 8 As shown, in this embodiment, the connecting part 16 is positioned close to the air inlet side of the support part 2. The connecting part 16 and the support part 2 are connected by a pivot 3, which protrudes towards the air inlet side relative to the support part 2 and the connecting part 16. When the connecting part 16 and the support part 2 are not folded, the user is less likely to see the pivot structure between them, resulting in a better appearance. The pivot 3 protrudes towards the air inlet side, allowing the connecting part 16 to separate further from the support part 2 when the connecting part 16 and the support part 2 are folded. When the support part 2 is wrapped with a rope and hung around the neck, the air delivery part 1 can be further away from the user's body, resulting in better air delivery.

[0042] like Figures 6 to 8As shown, the pivot member 3 includes a cylindrical portion, and the pivot angle between the connecting portion 16 and the supporting portion 2 is 0-120 degrees. The large range of pivot angles between the connecting portion 16 and the supporting portion 2 can adapt to different usage requirements. The width of the pivot member 3 is smaller than the width of the supporting portion 2, allowing for better concealment of the pivot member 3. The wire enters the supporting portion 2 from the connecting portion 16 via the pivot member 3, and from both the left and right sides of the pivot member 3. Entering the supporting portion 2 from both the left and right sides of the pivot member 3 disperses the wires, preventing them from becoming too dense and causing compression. Of course, in other embodiments, the wires can also enter the supporting portion 2 from one side.

[0043] like Figures 6 to 8 As shown, the buttons include a first button 751 and a second button 752. The first button 751 is used to start and stop the fan assembly 4 and increase the fan speed of the fan assembly 4, while the second button 752 is used to decrease the fan speed of the fan assembly 4. The screen 73 is located above the first button 751 and the second button 752. The screen 73, the first button 751, and the second button 752 have a simple and aesthetically pleasing overall appearance and are easy to operate. Preferably, the screen 73 is located on the support part 2 near the air supply part 1 for easy viewing by the user.

[0044] like Figures 6 to 8 As shown, in this embodiment, the connecting part 16 and the supporting part 2 are partially pivotally connected, and the internal space of the supporting part 2 is even more insufficient. Therefore, at least a portion of the second circuit board 62 can be disposed between the shell wall of the supporting part 2 and the power supply component 5. The shell wall of the supporting part 2 generally has a protruding locking part that limits the power supply component 5. By utilizing the area of ​​the locking part on the shell wall of the supporting part 2, a portion of the second circuit board 62 can be accommodated, thereby making the internal space more compact and reasonable.

[0045] like Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, the connecting part 16 is integrally formed with the outer shell 12. A wire-passing space is provided between the inner shell 13 and the outer shell 12, and also between the inner shell 13 and the connecting part 16. Alternatively, a wire-passing space is provided directly between the inner shell 13 and the connecting part 16. Because the air supply part 1 and the support part 2 are pivotally connected via the connecting part 16, a wire-passing space is provided between the inner shell 13 and the connecting part 16, and the internal space of the connecting part 16 can be used to accommodate the wire. Furthermore, since the connecting part 16 and the support part 2 are pivotally connected, the internal space of the connecting part 16 can be used to allow sufficient slack for the wire, ensuring that the wire will not be rotated or pulled. Figure 6 and Figure 7 Although not specifically shown, the structural relationship between the housing 11 and the connecting part 16 is similar to that of... Figures 2 to 5 The structures of the housing 11 and the connecting part 16 shown are similar.

[0046] like Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 As shown, the inner shell 13 includes a mounting base 14 located near the air outlet side. The mounting base 14 includes a mounting portion 141 and a hollow cable guide structure 142 disposed outside the mounting portion 141. The mounting portion 141 is connected to the cable guide structure 142, and the cable guide structure 142 is connected to the connecting portion 16. At least a portion of the cable guide structure 142 is vertically projected onto the mounting portion 141 and the connecting portion 16. That is, at least a portion of the cable guide structure 142 is located in the same radial region as the mounting portion 141 and the connecting portion 16. This reduces the bending path of the wire from the mounting portion 141 through the cable guide structure 142 to the connecting portion 16, and also helps to extend the service life of the wire. Figure 6 and Figure 7 Although not specifically shown, the structural relationship between the housing 11 and the connecting part 16 is similar to that of... Figures 2 to 5 The structures of the housing 11 and the connecting part 16 shown are similar.

[0047] like Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 7 As shown, the inner shell 13 includes a cover 15, which is located near the air inlet side. The fan assembly 4 includes a motor 41 and fan blades 42. The motor 41 is mounted on the mounting portion 141, and the cover 15 covers the outside of the fan blades 42. The cover 15 extends forward and has a radially overlapping portion with the wire-passing structure 142. The cover 15 has a notch 151 that connects the wire-passing structure 142 and the connecting portion 16. In this embodiment, the cover 15 extends forward to abut against the mounting base 14, thereby connecting the air duct surface and ensuring smooth fluid flow. Simultaneously, the cover 15 has the notch 151 at the position where the wire-passing structure 142 and the connecting portion 16 connect, thus not affecting the wire passage and preventing the cover 15 from damaging the wire. Figure 6 and Figure 7 Although not specifically shown, the structural relationship between the housing 11 and the connecting part 16 is similar to that of... Figures 2 to 5 The structures of the housing 11 and the connecting part 16 shown are similar.

[0048] like Figure 6 and Figure 7 As shown, the shapes of the opposite portions of the connecting portion 16 and the supporting portion 2 match, further concealing the pivot structure. In this embodiment, the opposite portions of the connecting portion 16 and the supporting portion 2 are both planar. In other embodiments, one of the opposite portions of the connecting portion 16 and the supporting portion 2 may have a recessed portion and the other a protruding portion, allowing the two portions to partially fit together.

[0049] The above detailed description is only an illustration of the preferred embodiment of this application and is not intended to limit the patent scope of this application. Therefore, all equivalent technical changes made using the content of this invention's specification and illustrations are included within the patent scope of this invention.

Claims

1. A portable fan, characterized in that, include: An air supply unit includes a housing and a fan assembly disposed within the housing, the housing comprising an inner shell and an outer shell disposed inside the housing; A support section is provided, wherein a power supply component is provided within the support section, and the power supply component provides power to the fan assembly; The air supply unit further includes a connecting part, which protrudes from the outer side of the housing and is pivotally connected to the support part.

2. The portable fan as described in claim 1, characterized in that: The connecting part is integrally formed with the outer shell, and a wire passage space is provided between the inner shell and the outer shell, and / or, a wire passage space is provided between the inner shell and the connecting part.

3. The portable fan as described in claim 2, characterized in that: The inner shell includes a mounting base near the air outlet side. The mounting base includes a mounting portion and a hollow cable guide structure disposed outside the mounting portion. The mounting portion is connected to the cable guide structure, and the cable guide structure is connected to the connecting portion. At least a portion of the cable guide structure is radially projected onto the mounting portion and the connecting portion.

4. The portable fan as described in claim 3, characterized in that: The inner shell also includes a cover, which is close to the air inlet side. The fan assembly includes a motor and fan blades. The motor is mounted on the mounting part, and the cover covers the outside of the fan blades. The cover extends forward and has a portion that radially overlaps with the wiring structure. The cover has a notch that connects the wiring structure and the connecting part.

5. The portable fan as described in claim 1, characterized in that: The connection between the connecting part and the support part is located near the air inlet side, and the connecting part and the support part are connected by a pivot.

6. The portable fan as described in claim 5, characterized in that: The pivot member protrudes toward the air inlet side relative to the support and connecting parts.

7. The portable fan as described in claim 5, characterized in that: The pivot member includes a cylindrical portion, and the pivot angle between the connecting portion and the supporting portion is 0-120 degrees.

8. The portable fan as described in claim 5, characterized in that: The width of the pivot member is smaller than the width of the support portion. The wires pass from the connection portion through the pivot member and enter the support portion from the left and right sides of the pivot member.

9. The portable fan as described in claim 1, characterized in that: The support section contains at least two circuit boards, which are arranged perpendicularly to each other.

10. The portable fan as claimed in claim 1, characterized in that: The shapes of the opposite portions of the connecting part and the supporting part are matched, and the opposite portions of the connecting part and the supporting part are both planar; or, of the opposite portions of the connecting part and the supporting part, one has a recessed portion and the other has a protruding portion.

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