Portable fan

Abstract

The utility model discloses portable fan, including handle part, pivot part, rotating part and blowing part, is equipped with fixed structure on handle part, pivot part is rotatably arranged on handle part around Y axle, rotating part is rotatably arranged on pivot part around Z axle, blowing part connects rotating part. This portable fan structure is novel, through adding pivot part that rotates around Y axle between handle part and blowing part, and setting rotating part that can rotate around Z axle on pivot part, make blowing part have two degrees of freedom of pitch and horizontal rotation simultaneously, to make portable fan's air outlet face angle can be more flexible adjustment, more convenient for user's use, benefit to enhance user's use experience. Portable fan can independently adjust air outlet face pitch angle and horizontal angle, when it is fixed on the columnar object of arbitrary circumferential angle such as backpack pole, baby carriage handrail, bicycle handlebar through fixed structure, can quickly adjust air outlet face to the direction of human face, significantly simplified angle regulation operation, improved use convenience.

Description

Technical Field

[0001] This utility model relates to the field of fan technology, and in particular to portable fans. Background Technology

[0002] Handheld folding fans typically consist of a handle and a blower unit that rotate together. The blower unit houses the motor and fan blades, while the handle unit contains the battery and control panel. The blower unit can tilt relative to the handle unit around the Y-axis to change the tilt angle, making it convenient for users to hold, place, and store.

[0003] In practical use, users often use clamps or other fixing structures to secure the handle to cylindrical objects such as backpack poles, stroller handlebars, and bicycle handlebars to free their hands. However, because the circumferential angle of these cylindrical objects is random, and existing fans only have a Y-axis pitch freedom between the airflow section and the handle, lacking a horizontal rotational freedom around the Z-axis (vertical axis), the airflow surface sometimes cannot be adjusted to be directly facing the user's face. In this case, the user has to loosen the clamps or other fixing structures and find a new installation angle, a cumbersome process. Utility Model Content

[0004] The technical problem solved by this utility model is to provide a portable fan with a more flexible air outlet angle.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a portable fan, comprising:

[0006] The handle portion is provided with a fixing structure;

[0007] A rotating shaft is rotatably mounted on the handle portion about the Y-axis;

[0008] A rotating component, which is rotatably disposed on the rotating shaft portion about the Z-axis;

[0009] A blower section, which is connected to the rotating component.

[0010] In one embodiment, the blower includes a frame, a motor is housed within the frame, the output shaft of the motor is connected to fan blades, and a control board is housed within the handle. The rotating component includes a connected rotating drum and a cover, the cover and the frame enclosing a wiring channel connecting the hollow area of ​​the rotating drum. The rotating shaft has a wiring passage connecting the internal space of the handle and the hollow area of ​​the rotating drum. It also includes a first cable, one end of which is connected to the control board, and the other end of which passes sequentially through the wiring passage, the hollow area of ​​the rotating drum, and the wiring channel to connect to the motor.

[0011] In one embodiment, the frame includes a central portion, spokes, and an outer ring connected sequentially from the inside out, the motor is disposed on the central portion, and the cover portion and one of the spokes enclose the wiring channel.

[0012] In one embodiment, the front of the frame is provided with a mounting groove, in which a semiconductor cooling chip is installed. The frame also includes a second cable, one end of which is connected to the control board, and the other end of which passes through the wiring passage, the hollow area of ​​the rotating cylinder, and the wiring channel to connect to the semiconductor cooling chip.

[0013] In one embodiment, the frame is further provided with a heat-conducting block, one surface of which is the bottom surface of the mounting groove, and the heat-conducting block is provided with a wire-passing hole that connects the mounting groove and the wiring channel.

[0014] In one embodiment, the heat-conducting block is in surface contact with the cooling surface of the semiconductor refrigeration chip.

[0015] In one embodiment, a damping ring is further provided within the rotating shaft portion, a portion of the rotating cylinder portion is rotatably fitted within the damping ring, a limiting block is provided on the rotating shaft portion, a stop block is provided on the damping ring, and the stop block is located on the rotation path of the limiting block.

[0016] In one embodiment, the fixing structure includes a clamping plate and a resetting member. The clamping plate is located on one side of the handle portion and is rotatably connected to the handle portion. The resetting member connects the clamping plate and the handle portion, and a clamping space is formed between the clamping plate and the handle portion.

[0017] In one embodiment, the clamping plate has a limiting groove communicating with the clamping space on the side near the handle, and a first anti-slip pad is provided in the limiting groove.

[0018] In one embodiment, a second anti-slip pad is provided on the side of the handle portion near the clamping plate, and the second anti-slip pad is provided with an arc-shaped groove.

[0019] The beneficial effects of this utility model are as follows:

[0020] This portable fan features a novel structure. By adding a rotating shaft that rotates around the Y-axis between the handle and the air blowing section, and by installing a rotating component on the shaft that can rotate around the Z-axis, the air blowing section has two degrees of freedom: pitch and horizontal rotation. This allows for more flexible adjustment of the air outlet angle, making it more convenient for users and enhancing their experience.

[0021] The portable fan allows for independent adjustment of the airflow tilt and horizontal angles. When fixed to a columnar object at any circumferential angle, such as a backpack handlebar, stroller handlebar, or bicycle handlebar, it can quickly adjust the airflow to face the user's face, significantly simplifying the angle adjustment and improving ease of use. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of a portable fan;

[0024] Figure 2 Cross-section of a portable fan Figure 1 ;

[0025] Figure 3 Cross-section of a portable fan Figure 2 ;

[0026] Figure 4 This is a schematic diagram of the rotating component in a portable fan.

[0027] Figure 5 This is a schematic diagram of the damping ring in a portable fan.

[0028] Explanation of icon numbers:

[0029] 1. Handle part;

[0030] 2. Rotating shaft section;

[0031] 3. Rotating component; 31. Rotating drum section; 311. Limiting block; 32. Covering section;

[0032] 4. Air blowing section; 41. Frame; 411. Center section; 412. Spokes; 413. Outer ring; 414. Mounting slot;

[0033] 5. Fixed structure; 51. Clamping plate;

[0034] 61. Cable routing passageway; 62. Cable routing corridor;

[0035] 7. Heat-conducting block; 71. Wiring hole; 72. Extension plate;

[0036] 8. Damping ring; 81. Stop block;

[0037] 91. First anti-slip mat; 92. Second anti-slip mat; 921. Arc-shaped groove; 93. Third anti-slip mat. Detailed Implementation

[0038] The purpose, features, and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0039] 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.

[0040] It should be noted that if the embodiments of this utility model involve directional indicators such as up, down, left, right, front, back, etc., the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indicators will also change accordingly.

[0041] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are 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. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.

[0042] Furthermore, if the meaning of "and / or" in the entire text is to include three parallel solutions, taking "and A / or B" as an example, it includes solution A, solution B, and a solution that simultaneously satisfies both A and B. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0043] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0044] Example 1

[0045] Please refer to Figures 1 to 5 One embodiment of this utility model is a portable fan, including a handle part 1, a rotating shaft part 2, a rotating component 3, and a blowing part 4. The handle part 1 is provided with a fixing structure 5, so that the portable fan can be fixed to other external objects through the fixing structure 5. Other external objects include, but are not limited to, columnar objects such as backpack bars, stroller handles, and bicycle handlebars. The rotating shaft part 2 is rotatably disposed on the handle part 1 about the Y-axis, the rotating component 3 is rotatably disposed on the rotating shaft part 2 about the Z-axis, and the blowing part 4 is connected to the rotating component 3.

[0046] Specifically, the blower part 4 includes a frame 41, within which a motor (not shown) is housed. The output shaft of the motor is connected to fan blades (not shown). The handle part 1 contains a control board (not shown). In one or more embodiments, the handle part 1 also contains a battery (not shown) electrically connected to the control board, and the motor is powered by the battery. The rotating part 3 includes a connected rotating cylinder part 31 and a cover part 32. The cover part 32 and the frame 41 enclose a wiring channel 61 that connects the hollow area of ​​the rotating cylinder part 31. The rotating shaft part 2 has a wiring passage 62 that connects the internal space of the handle part 1 and the hollow area of ​​the rotating cylinder part 31. The portable fan also includes a first cable (not shown). One end of the first cable is connected to the control board, and the other end of the first cable passes sequentially through the wiring passage 62, the hollow area of ​​the rotating cylinder part 31, and the wiring channel 61 to connect to the motor, thereby enabling the control board to control the start and stop of the motor. More specifically, the frame 41 includes a central part 411, spokes 412, and an outer ring 413 connected sequentially from the inside out. The motor is mounted on the central part 411. There are multiple spokes 412, preferably multiple spokes 412 evenly distributed around the central part 411. The covering part 32 and one of the spokes 412 enclose each other to form the cable routing channel 61. Due to the existence of the cable routing channel 61, the first cable will not swing arbitrarily within the frame 41, avoiding damage to the first cable from the rotation of the fan blades. At the same time, the first cable is hidden, which helps to improve the simplicity and aesthetics of the portable fan.

[0047] In one embodiment, the front of the frame 41 is provided with a mounting groove 414, which is the air outlet surface of the portable fan. The mounting groove 414 is located on the center part 411. A thermoelectric cooler (TEC) (not shown in the figure) is installed in the mounting groove 414. The portable fan also includes a second cable (not shown in the figure). One end of the second cable is connected to the control board, and the other end of the second cable passes through the wiring channel 62, the hollow area of ​​the rotating part 31 and the wiring channel 61 in sequence to connect to the thermoelectric cooler.

[0048] To fully utilize the cooling generated by the thermoelectric cooler, a heat-conducting block 7 is also provided on the frame 41. One surface of the heat-conducting block 7 is the bottom surface of the mounting groove 414. The heat-conducting block 7 has a wire-passing hole 71 connecting the mounting groove 414 and the wiring channel 61, and the wire-passing hole 71 is used to avoid the second cable. Preferably, the heat-conducting block 7 is in surface contact with the cooling surface of the thermoelectric cooler. In some embodiments, the heat-conducting block 7 has an extension piece 72, which is provided corresponding to the spoke 412. The extension piece 72 can increase the heat dissipation area of ​​the heat-conducting block 7, thereby making the outlet air temperature lower.

[0049] Optionally, the portable fan also includes a damping ring 8 disposed within the rotating shaft portion 2. A portion of the rotating cylinder portion 31 is rotatably fitted within the damping ring 8. The rotating shaft portion 2 is provided with a limiting block 311, and the damping ring 8 is provided with a stop block 81. The stop block 81 is located on the rotation path of the limiting block 311. The cooperation between the stop block 81 and the limiting block 311 can prevent the rotating component 3 from rotating excessively, thereby preventing the first / second cable from becoming entangled and damaged, which helps to ensure the service life of the portable fan. The damping ring 8 can provide damping, thereby preventing the rotating component 3 from rotating arbitrarily and affecting the user experience.

[0050] In this embodiment, the fixing structure 5 includes a clamping plate 51 and a reset member (not shown in the figure). The clamping plate 51 is located on one side of the handle portion 1 and is rotatably connected to the handle portion 1. The reset member connects the clamping plate 51 and the handle portion 1, forming a clamping space between the clamping plate 51 and the handle portion 1. The clamping space is used to clamp other foreign objects. The reset member can be a torsion spring or the like. To improve the stability of the portable fan when mounted on other foreign objects, the clamping plate 51 is provided with a limiting groove communicating with the clamping space on the side near the handle portion 1. A first anti-slip pad 91 is provided in the limiting groove. The handle portion 1 is provided with a second anti-slip pad 92 on the side near the clamping plate 51. The second anti-slip pad 92 is provided with an arc-shaped groove 921, which corresponds to the limiting groove.

[0051] In another embodiment, the fixing structure 5 may be constructed in other ways, such as having an elastic open ring.

[0052] The handle part 1 is also provided with a third anti-slip pad 93 on the side away from the clamp 51. When the portable fan is placed on the table, the third anti-slip pad 93 is used to contact the table to achieve an anti-slip effect.

[0053] The above are merely optional embodiments of this utility model and do not limit the patent scope of this utility model. All equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A portable fan, characterized in that: include The handle portion is provided with a fixing structure; A rotating shaft is rotatably mounted on the handle portion about the Y-axis; A rotating component, which is rotatably disposed on the rotating shaft portion about the Z-axis; A blower section, which is connected to the rotating component.

2. The portable fan according to claim 1, characterized in that: The blower unit includes a frame, a motor is installed inside the frame, and the output shaft of the motor is connected to fan blades. A control board is installed inside the handle. The rotating component includes a connected rotating drum and a cover. The cover and the frame enclose a wiring channel that connects the hollow area of ​​the rotating drum. The rotating shaft has a wiring passage that connects the internal space of the handle and the hollow area of ​​the rotating drum. It also includes a first cable. One end of the first cable is connected to the control board, and the other end of the first cable passes through the wiring passage, the hollow area of ​​the rotating drum, and the wiring channel in sequence to connect to the motor.

3. The portable fan according to claim 2, characterized in that: The frame includes a central part, spokes and an outer ring connected sequentially from the inside out. The motor is located on the central part, and the cover and one of the spokes enclose the wiring channel.

4. The portable fan according to claim 2, characterized in that: The frame has a mounting groove on the front, in which a thermoelectric cooler is installed. It also includes a second cable, one end of which is connected to the control board, and the other end of which passes through the wiring passage, the hollow area of ​​the rotating cylinder, and the wiring channel to connect to the thermoelectric cooler.

5. The portable fan according to claim 4, characterized in that: The frame is also provided with a heat-conducting block, one surface of which is the bottom surface of the mounting groove, and the heat-conducting block is provided with a wire-passing hole that connects the mounting groove and the wiring channel.

6. The portable fan according to claim 5, characterized in that: The heat-conducting block is in surface contact with the cooling surface of the semiconductor cooling chip.

7. The portable fan according to claim 2, characterized in that: It also includes a damping ring disposed within the rotating shaft portion, a portion of the rotating cylinder portion being rotatably fitted within the damping ring, a limiting block being provided on the rotating shaft portion, a stop block being provided on the damping ring, and the stop block being located on the rotation path of the limiting block.

8. The portable fan according to claim 1, characterized in that: The fixing structure includes a clamping plate and a resetting member. The clamping plate is located on one side of the handle portion and is rotatably connected to the handle portion. The resetting member connects the clamping plate and the handle portion, and a clamping space is formed between the clamping plate and the handle portion.

9. The portable fan according to claim 8, characterized in that: The clamping plate has a limiting groove on the side near the handle that communicates with the clamping space, and a first anti-slip pad is provided in the limiting groove.

10. The portable fan according to claim 8, characterized in that: The handle portion is provided with a second anti-slip pad on the side near the clamping plate, and the second anti-slip pad is provided with an arc-shaped groove.

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