Waist-hung fan

By plugging the detachable cooling fan into the master control unit or connecting it with a power cord, the problems of portability and multi-position cooling of the waist-mounted fan are solved, and flexible cooling effects and multi-functional use are achieved.

CN223374675UActive Publication Date: 2025-09-23DONGGUAN FENGLINXING DIGITAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423032802.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-09-23
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing waist-mounted fans are large in size, have low portability, and can only cool down one part of the body, but cannot dissipate heat from multiple parts at the same time.

Method used

The detachable cooling fan is designed to be connected to the master control unit via a plug or power cord, allowing the cooling fan to be installed at any position on the belt and can be placed on a desktop for use via a bracket plate.

Benefits of technology

The portability and practicality of the waist-mounted fan are improved, and it can dissipate heat to multiple parts at the same time, which is suitable for use in different occasions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waist hanging fan which comprises a master control machine, cooling fans are detachably installed on the two sides of the master control machine respectively, a first hanging part used for being hung on a waistband is arranged on the master control machine, and fan joint openings are formed in the two sides of the master control machine. A first power supply connecting port which is electrically connected with the cooling fan is arranged in the fan joint port, and a switch button and a second power supply connecting port which is used for being connected with a power line are further arranged on the master control machine; the cooling fans are detachably installed on the two sides of the master control machine, certain flexibility is improved, the mode that the cooling fans and the master control machine are integrally arranged in the prior art is replaced, the overall size can be controlled, the portability of the cooling device is further improved, meanwhile, the cooling fans and the master control machine are powered on in two modes, and the cooling device is more convenient to use. The problem that an existing waist-hung fan can only be installed on one part of a waistband or an external bandage, and multiple parts cannot be cooled at the same time is solved.
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Description

Technical Field

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

[0002] Waist-mounted fans are portable cooling devices designed specifically for hot weather. Lightweight, portable, stylish, and affordable, they're suitable for a variety of occasions. They not only provide powerful airflow to quickly cool users, but some models also feature intelligent control, allowing users to adjust the airflow and temperature to suit their personal comfort level via a mobile app or mini-program. Their practicality and versatility make them an ideal companion for outdoor activities, sports, and work in the summer, helping people stay cool and comfortable in hot environments.

[0003] In order to maintain its long battery life, the existing waist-hanging fan is equipped with a master control machine for providing power to the fan and controlling the fan's opening and closing. Small fans are fixed on both sides of the master control machine, and the whole is hung around the waist. Its position on the belt or external strap is adjusted according to needs to cool down different parts of the body. Although this waist-hanging fan has a good cooling effect, it is large in size and has low portability. It can only be installed in one part of the belt or external strap, so it cannot cool down multiple parts of the body at the same time. Its portability and practicality still have some room for optimization and improvement. Summary of the Invention

[0004] In order to solve the above-mentioned technical problems, the utility model provides a waist-hanging fan.

[0005] The technical solution of the present utility model is achieved as follows:

[0006] A waist-hanging fan includes a master control unit, cooling fans are detachably mounted on both sides of the master control unit, a first hanging component for hanging on a waist belt is provided on the master control unit, fan joints are provided on both sides of the master control unit, a first power connection port for establishing an electrical connection with the cooling fan is provided in the fan joints, and a switch button and a second power connection port for connecting a power cord are also provided on the master control unit.

[0007] Furthermore, the cooling fan includes a housing, a motor and fan blades connected to the transmission end of the motor. An air guide component is removably installed at one end of the housing, and an air inlet grille is provided at the other end of the housing. The motor is fixedly installed inside the housing at one end close to the air inlet grille.

[0008] Furthermore, an outer wall of one side of the shell is provided with an inserting block for inserting into the fan joint and connecting to the internal power supply of the master control machine.

[0009] Furthermore, the outer wall of the shell is provided with a second hanging component for the supply belt to pass through and hang on the belt, and the shell is also provided with a power connection part for establishing an electrical connection with the master control machine, and the power connection part and the power connection port are connected to each other through a power cord.

[0010] Furthermore, the first hanging component includes a first fixing plate, a first fixing column and a fixing block, the fixing block is integrally arranged at one end of the first fixing plate and connected to the outer wall of the master control machine, the first fixing column is integrally arranged on a surface of the other end of the first fixing plate corresponding to the outer wall of the master control machine, and the other end of the first fixing column is fixedly connected to the outer wall of the master control machine.

[0011] Furthermore, the second hanging component includes a second fixing plate and a second fixing column, the second fixing plate is provided with an opening for the belt to pass through, the second fixing column is fixed on a surface of the second fixing plate close to the outer wall of the cooling fan, and the other end of the second fixing column is fixedly connected to the outer wall of the cooling fan.

[0012] Furthermore, a bracket plate is installed on the first hanging component.

[0013] Furthermore, a receiving groove for accommodating the bracket plate is formed on the first hanging component, and one end of the bracket plate is axially connected to the receiving groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The utility model improves a certain degree of flexibility by detachably installing the cooling fans on both sides of the master control machine, replacing the existing method of integrating the cooling fans with the master control machine. The cooling fans can be removed from the master control machine, and one or two cooling fans can be retained. The overall volume can be controlled, further improving its portability, solving the problem that the existing waist-hanging fans are large in volume and low in portability. At the same time, there are two power-on methods between the cooling fans and the master control machine in the utility model, one is to directly plug in the two sides of the master control machine to connect the power supply, and the other is to connect the cooling fans to the master control machine with a power cord when the cooling fans are in a separated state. At this time, the cooling fans can be placed at any part of the waist belt, and heat dissipation in multiple parts can be achieved, thereby improving its practicality, and solving the problem that the existing waist-hanging fans can only be installed at one part on the waist belt or external strap and cannot cool multiple parts at the same time. In summary, the utility model improves the portability and practicality of the waist-hanging fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a waist-mounted fan of the utility model;

[0017] Figure 2This is a schematic diagram of the structure of a waist-mounted fan of the present invention;

[0018] Figure 3 This is a cross-sectional view of the heat dissipation fan in the present invention;

[0019] Figure 4 This is a schematic structural diagram of the heat dissipation fan in Example 2.

[0020] 1. Master controller; 2. Cooling fan; 21. Housing; 22. Motor; 23. Fan blades; 24. Air guide components; 25. Air inlet grille; 26. Inserts;

[0021] 3. First hanging component; 31. First fixing plate; 32. First fixing column; 33. Fixing block;

[0022] 4. Fan connector; 5. First power connector; 6. Second power connector;

[0023] 7. Second hanging component; 71. Second fixing plate; 72. Second fixing column; 73. Opening;

[0024] 8. Power connection; 9. Bracket plate; 10. Storage slot; 11. Switch button. DETAILED DESCRIPTION

[0025] In order to make the purposes, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] Example 1

[0027] like Figure 1-3 As shown, a waist-hanging fan includes a master control machine 1, and cooling fans 2 are detachably installed on both sides of the master control machine 1. The master control machine 1 is provided with a first hanging component 3 for hanging on a waist belt, and fan joints 4 are provided on both sides of the master control machine 1. A first power connection port 5 for establishing an electrical connection with the cooling fan 2 is provided in the fan joint 4. The master control machine 1 is also provided with a switch button 11 and a second power connection port 6 for connecting a power cord.

[0028] In this embodiment, the cooling fan 2 is a component that can be detachably mounted on the master control machine 1. The cooling fan 2 that can be removed at any time improves the overall portability of the waist-hanging fan, replacing the existing waist-hanging fan that integrates the cooling fan 2 with the master control machine 1, making the waist-hanging fan more flexible.

[0029] Furthermore, the cooling fan 2 includes a housing 21, a motor 22 and fan blades 23 connected to the transmission end of the motor 22. An air guide component 24 is removably installed at one end of the housing 21, and an air inlet grille 25 is provided at the other end of the housing 21. The motor 22 is fixedly installed inside the housing 21 at one end close to the air inlet grille 25.

[0030] Furthermore, an insert 26 is provided on one outer wall of the housing 21 for insertion into the fan interface 4 and connection to the power supply within the master control unit 1. When the cooling fan 2 is connected to the master control unit 1 via the insert 26, the cooling fan 2 is connected to the power supply within the master control unit 1, and the master control unit 1 can control the opening and closing of the cooling fan 2.

[0031] Furthermore, the first hanging component 3 includes a first fixing plate 31, a first fixing column 32 and a fixing block 33. The fixing block 33 is integrally arranged at one end of the first fixing plate 31 and connected to the outer wall of the master control machine 1. The first fixing column 32 is integrally arranged on a surface of the other end of the first fixing plate 31 corresponding to the outer wall of the master control machine 1. The other end of the first fixing column 32 is fixedly connected to the outer wall of the master control machine 1.

[0032] In this embodiment, the master control machine 1 can be hung on a waist belt, and by installing the cooling fans 2 on both sides thereof, the master control machine 1 can be combined into a waist-hanging fan for heat dissipation.

[0033] Furthermore, a bracket plate 9 is installed on the first hanging component 3 .

[0034] Furthermore, the first hanging component 3 is provided with a receiving slot 10 for accommodating a bracket plate 9, and one end of the bracket plate 9 is pivotally connected to the receiving slot 10. The bracket plate 9 can be opened and used as a bracket to support the waist-hanging fan, so that the waist-hanging fan can be placed on a desktop and used as a fan.

[0035] The working process and principle of this utility model are as follows:

[0036] The user first hangs the master controller 1 of the waist-hanging fan on the belt, and then fixes the cooling fans 2 on both sides of the master controller 1 by disassembly and installation. The cooling fans 2 are connected to the power supply in the fan joint 4 on the master controller 1 through the plug blocks 26 on the side walls of the shell 21 to achieve electrical connection. When the user presses the switch button 11 on the master controller 1, the power supply inside the master controller 1 will supply power to the cooling fans 2, causing the fan blades 23 to rotate to generate wind force, thereby achieving the heat dissipation effect.

[0037] By designing the cooling fan 2 as a detachable component, the user can install or remove the fan at any time as needed, which increases the portability and flexibility of the product. At the same time, the design of the first hanging component 3 and the bracket plate 9 on the master control machine 1 allows the waist-hanging fan to not only be fixed on the belt for use, but also be placed on the desktop and used as an ordinary fan. This design is not only suitable for personal heat dissipation during outdoor activities, but can also be used as a fan indoors, realizing the function of multiple uses.

[0038] Example 2

[0039] like Figure 1-4 As shown, a waist-hanging fan includes a master control machine 1, and cooling fans 2 are detachably installed on both sides of the master control machine 1. The master control machine 1 is provided with a first hanging component 3 for hanging on a waist belt, and fan joints 4 are provided on both sides of the master control machine 1. A first power connection port 5 for establishing an electrical connection with the cooling fan 2 is provided in the fan joint 4. The master control machine 1 is also provided with a switch button 11 and a second power connection port 6 for connecting a power cord.

[0040] In this embodiment, the cooling fan 2 is a component that can be detachably mounted on the master control machine 1. The cooling fan 2 that can be removed at any time improves the overall portability of the waist-hanging fan, replacing the existing waist-hanging fan that integrates the cooling fan 2 with the master control machine 1, making the waist-hanging fan more flexible.

[0041] Furthermore, the cooling fan 2 includes a housing 21, a motor 22 and fan blades 23 connected to the transmission end of the motor 22. An air guide component 24 is removably installed at one end of the housing 21, and an air inlet grille 25 is provided at the other end of the housing 21. The motor 22 is fixedly installed inside the housing 21 at one end close to the air inlet grille 25.

[0042] Furthermore, the outer wall of the shell 21 is provided with a second hanging component 7 for the supply belt to pass through and hang on the belt. The shell 21 is also provided with a power connection part 8 for establishing an electrical connection with the master control machine 1. The power connection part 8 and the power connection port are interconnected through a power cord.

[0043] In this embodiment, the cooling fan 2 can be electrically connected to the master control machine 1 through a power cord. The master control machine 1 supplies power to the cooling fan 2, and the cooling fan 2 can be moved to any part of the belt without having to be attached to the master control machine 1. This improves portability and makes the cooling fan 2 more versatile, allowing it to cool different parts at the same time, thereby improving its practicality.

[0044] Furthermore, the first hanging component 3 includes a first fixing plate 31, a first fixing column 32 and a fixing block 33. The fixing block 33 is integrally arranged at one end of the first fixing plate 31 and connected to the outer wall of the master control machine 1. The first fixing column 32 is integrally arranged on a surface of the other end of the first fixing plate 31 corresponding to the outer wall of the master control machine 1. The other end of the first fixing column 32 is fixedly connected to the outer wall of the master control machine 1.

[0045] In this embodiment, the master control machine 1 can be hung on a waist belt, and by installing the cooling fans 2 on both sides thereof, the master control machine 1 can be combined into a waist-hanging fan for heat dissipation.

[0046] Furthermore, the second hanging component 7 includes a second fixing plate 71 and a second fixing column 72. The second fixing plate 71 is provided with an opening 73 for the belt to pass through. The second fixing column 72 is fixed on a surface of the second fixing plate 71 close to the outer wall of the cooling fan 2. The other end of the second fixing column 72 is fixedly connected to the outer wall of the cooling fan 2.

[0047] Furthermore, a bracket plate 9 is installed on the first hanging component 3 .

[0048] Furthermore, the first hanging component 3 is provided with a receiving slot 10 for accommodating a bracket plate 9, and one end of the bracket plate 9 is pivotally connected to the receiving slot 10. The bracket plate 9 can be opened and used as a bracket to support the waist-hanging fan, so that the waist-hanging fan can be placed on a desktop and used as a fan.

[0049] The user first secures the waist-mounted fan's master controller 1 to the belt via the first mounting component 3. Next, the user secures the cooling fan 2 to an appropriate location on the belt via the second mounting component 7. The user then connects the cooling fan 2's power connector 8 to the power connector within the fan interface 4 on the master controller 1 via a power cord to establish an electrical connection. The user then controls the cooling fan 2's on and off using the switch button 11 on the master controller 1. When the switch button 11 is activated, the power supply within the master controller 1 supplies power to the cooling fan 2 via the first power connector 5, activating the fan's motor 22 and rotating the fan blades 23 to generate airflow, thereby achieving a cooling effect. This design allows the cooling fan 2 to provide cooling at any location on the belt, increasing flexibility and convenience.

[0050] The master control machine 1 serves as the central hub and is connected to the cooling fan 2 through a power cord to provide power and control the fan's switch. The detachable design of the cooling fan 2 allows the user to install the fan at any position on the belt as needed to cool down specific areas. In addition, the bracket plate 9 on the first hanging component 3 is designed so that the waist-hanging fan can not only be worn for use, but can also be placed on a desktop and used as an ordinary fan. This multifunctional design allows the waist-hanging fan to play a role in different occasions, and can provide an effective cooling solution whether it is outdoor activities or indoor work.

[0051] The above detailed description of the specific embodiments of the utility model is intended only as an example. The utility model is not limited to the specific embodiments described above. Those skilled in the art should understand that the above embodiments and descriptions are merely illustrative of the principles of the utility model. Various changes and improvements may be made to the utility model without departing from the spirit and scope of the utility model. Such changes and improvements fall within the scope of the utility model for which protection is sought. The scope of protection claimed in the utility model is defined by the appended claims and their equivalents.

Claims

1. A waist-mounted fan, characterized in that: The invention comprises a master control machine (1), cooling fans (2) are detachably mounted on both sides of the master control machine (1), a first hanging component (3) for hanging on a belt is provided on the master control machine (1), fan joints (4) are provided on both sides of the master control machine (1), a first power connection port (5) for establishing an electrical connection with the cooling fan (2) is provided in the fan joints (4), and a switch button (11) and a second power connection port (6) for connecting a power cord are also provided on the master control machine (1).

2. The waist-mounted fan according to claim 1, characterized in that: The heat dissipation fan (2) comprises a housing (21), a motor (22) and a fan blade (23) connected to the transmission end of the motor (22); an air guide component (24) is detachably mounted on one end of the housing (21); an air inlet grille (25) is provided on the other end of the housing (21); and the motor (22) is fixedly mounted inside the housing (21) at one end close to the air inlet grille (25).

3. The waist-mounted fan according to claim 2, characterized in that: An outer wall of one side of the housing (21) is provided with an inserting block (26) for inserting into the fan joint (4) and connecting to the internal power supply of the master control machine (1).

4. The waist-mounted fan according to claim 2, characterized in that: The outer wall of the housing (21) is provided with a second hanging component (7) for the waist belt to pass through and be hung on the waist belt. The housing (21) is also provided with a power connection portion (8) for establishing an electrical connection with the master control machine (1). The power connection portion (8) and the power connection port are connected to each other via a power line.

5. The waist-mounted fan according to claim 1, characterized in that: The first hanging component (3) comprises a first fixing plate (31), a first fixing column (32) and a fixing block (33); the fixing block (33) is integrally arranged at one end of the first fixing plate (31) and connected to the outer wall of the master control machine (1); the first fixing column (32) is integrally arranged on a surface of the other end of the first fixing plate (31) corresponding to the outer wall of the master control machine (1); the other end of the first fixing column (32) is fixedly connected to the outer wall of the master control machine (1).

6. The waist-mounted fan according to claim 4, characterized in that: The second hanging component (7) includes a second fixing plate (71) and a second fixing column (72). The second fixing plate (71) is provided with an opening (73) for the belt to pass through. The second fixing column (72) is fixed on a surface of the second fixing plate (71) close to the outer wall of the cooling fan (2). The other end of the second fixing column (72) is fixedly connected to the outer wall of the cooling fan (2).

7. The waist-mounted fan according to claim 1, characterized in that: A bracket plate (9) is mounted on the first hanging component (3).

8. The waist-mounted fan according to claim 1, characterized in that: The first hanging component (3) is provided with a receiving groove (10) for accommodating the bracket plate (9), and one end of the bracket plate (9) is axially connected in the receiving groove (10).