Waist hanging fan

Abstract

The utility model discloses a waist hanging fan which comprises a shell, a fan, a control circuit board and a battery are arranged in the shell, the fan and the battery are both electrically connected with the control circuit board, and an air inlet and an air outlet corresponding to the fan are formed in the shell. The shell is further provided with a battery cavity, the shell is provided with an opening communicated with the battery cavity, a sealing cover is arranged at the opening, and the battery is detachably arranged in the battery cavity; according to the waist hanging fan, the battery is detachably arranged in the battery cavity, and the sealing cover capable of covering the opening is arranged, so that the battery can be conveniently detached in use, and the problem that an existing waist hanging fan is inconvenient to use is solved.

Description

Technical Field

[0001] This utility model relates to the field of fan technology, specifically to a waist-mounted fan. Background Technology

[0002] An electric fan generally refers to a device that uses electricity to generate airflow. The fan inside is powered and then converted into natural wind to achieve a cooling effect. Existing electric fans are relatively large, mainly divided into floor-standing, tabletop, and clip-on types. However, these three types of electric fans are too bulky and inconvenient to power, making them impractical to carry around. Therefore, there is a need to develop a portable fan to meet the different needs of different people. For example, delivery drivers, food delivery workers, and other personnel who need to spend long periods outdoors need to place a fan near their body to achieve a cooling effect when their hands are occupied. Office workers need to place a small fan on their desk to meet their needs.

[0003] Some waist-mounted fans on the market can be worn around the waist to cool the body, and are often used for extended periods, especially in summer. However, the batteries in existing waist-mounted fans are not easily replaceable, causing inconvenience. Therefore, there is a need to design a waist-mounted fan with easily replaceable batteries to meet this need. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing a waist-mounted fan that allows for convenient battery replacement, thus meeting the usage needs of existing waist-mounted fans.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A waist-mounted fan includes a housing, inside which are a fan, a control circuit board, and a battery. The fan and the battery are electrically connected to the control circuit board. The housing has an air inlet and an air outlet corresponding to the fan.

[0007] The housing also includes a battery cavity with an opening communicating with the battery cavity. The opening is covered with a cap, and the battery is detachably placed in the battery cavity. By detachably placing the battery in the battery cavity and providing a cap that can close the opening, the battery can be easily removed during use, solving the problem of inconvenience in using existing waist-mounted fans.

[0008] As a preferred embodiment, the cap can be flipped to cover the opening, or the cap can be detachably installed at the opening.

[0009] As a preferred embodiment, the cover is snapped onto the housing or connected by screws.

[0010] As a preferred embodiment, one side of the cover is rotatably connected to the housing, and the other side of the cover is detachably connected to the housing.

[0011] As a preferred embodiment, the cover has a rotating shaft arranged opposite to it, and the housing has a shaft hole corresponding to the rotating shaft. During assembly, the rotating shaft is rotatably disposed in the shaft hole so that the cover can be flipped and closed at the opening.

[0012] As a preferred embodiment, the cover is also provided with a buckle on one side, and the housing is provided with a corresponding buckle groove. During assembly, the buckle is engaged in the groove.

[0013] As a preferred embodiment, the shaft hole is a strip-shaped hole that extends in the front-to-back direction, and the slot has a forward-opening insertion port.

[0014] As a preferred embodiment, the control circuit board is provided with two elastic conductive posts that penetrate the bottom of the battery cavity and extend into the battery cavity. The control circuit board is electrically connected to the battery through the elastic conductive posts. During assembly, two conductive blocks at one end of the battery abut against the corresponding elastic conductive posts, and the other end of the battery abuts against the cover.

[0015] As a preferred embodiment, the battery cavity has a first mating portion, and the battery has a second mating portion corresponding to the first mating portion.

[0016] As a preferred embodiment, the battery is provided with a first charging port.

[0017] As a preferred embodiment, the housing is provided with a second charging port.

[0018] As a preferred embodiment, the air outlet is equipped with an air guide that can adjust the airflow direction.

[0019] As a preferred embodiment, the air guide is an air guide tube, which is rotatably adjustable and located at the air outlet.

[0020] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, by detachably placing the battery in the battery cavity and providing a cover that can close the opening, the battery can be easily removed during use, which facilitates the long-term use of the waist-hanging fan, meets the usage needs of existing waist-hanging fans, and improves market competitiveness.

[0021] To more clearly illustrate the structural features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments: Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the assembly structure of an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of an embodiment of the present utility model;

[0024] Figure 3 This is a schematic diagram of the cap opening according to an embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the cap being closed according to an embodiment of this utility model;

[0026] Figure 5 This is an exploded view of the internal structure of an embodiment of the present utility model;

[0027] Figure 6 yes Figure 5 A magnified schematic diagram of the structure at point A in the middle.

[0028] Explanation of reference numerals in the attached diagram:

[0029] 10-Housing; 11-Air inlet; 111-Air inlet cover; 12-Air outlet; 121-Air guide; 13-Fan; 131-Air concentrator; 14-Opening; 141-Shaft hole; 142-Slot; 15-Cap; 151-Shaft; 152-Guide slope; 153-Snap-on; 154-Open arrow mark; 16-First mounting hole; 17-Waist clip; 18-Anti-slip part;

[0030] 20-Inner shell; 201-Battery cavity; 21-First anti-foolproof slope; 22-Second mounting hole; 23-Battery; 24-Second anti-foolproof slope; 25-First charging port;

[0031] 30 - Control circuit board; 31 - Adjustment switch; 32 - Second charging port; 33 - Flexible conductive post; Detailed Implementation

[0032] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 the utility model and simplifying the description, and do not indicate or imply that the position 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 utility model.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Example 1

[0035] like Figure 1-6 As shown, this utility model discloses a waist-mounted fan, including a housing 10. The housing 10 houses a fan 13, a control circuit board 30, and a battery 23. Both the fan 13 and the battery 23 are electrically connected to the control circuit board 30. The housing 10 has an air inlet 11 and an air outlet 12 corresponding to the fan 13. An air inlet shroud 111 is also provided at the air inlet 11 of the housing 10. The air inlet shroud 111 prevents large external particles from entering the fan 13, thus protecting the fan 13. The housing 10 also includes a waist-mounted hanging device. Clip 17 allows for easy hanging of the waist fan on the waist via a waistband hanger; the housing 10 also includes a concentrator 131, which concentrates the air output from the fan 13 to increase airflow; the housing 10 also includes a battery compartment 201; the housing 10 has an opening 14 communicating with the battery compartment 201, and a cover 15 is provided at the opening 14, where the battery 23 is detachably housed; the control circuit board 30 has two elastic... The control circuit board 30 is electrically connected to the battery 23 via the conductive post 33. During assembly, two conductive blocks (not shown) at one end of the battery 23 abut against the corresponding elastic conductive post 33, and the other end of the battery 23 abuts against the cover 15. The two elastic conductive posts 33 can elastically extend and retract in the vertical direction. The cover 15 is also provided with a buckle 153 on the other side, and the housing 10 is provided with a corresponding buckle groove 142. During assembly, the buckle 153 is fastened in the buckle groove 142. The buckle groove 142 and the shaft hole 14 are connected. All components are located within the opening 14. By setting the elastic conductive post 33, the battery 23 and the control circuit board 30 can be connected through the elastic conductive post 33. On the other hand, the elasticity of the elastic conductive post 33 can push the battery 23, so that the battery 23 abuts against the cover 15, making the connection between the buckle 153 and the slot 142 more stable. By detachably setting the battery 23 in the battery cavity 201 and setting the cover 15 that can close the opening 14, the battery 23 can be easily removed during use, solving the problem of inconvenience in the use of existing waist-mounted fans.

[0036] The cover 15 can be flipped to close the opening 14.

[0037] One side of the cover 15 is rotatably connected to the housing 10, and the other side of the cover 15 is detachably connected to the housing 10.

[0038] It should be understood that the cover 15 and the housing 10 can be installed using a detachable installation structure commonly used by those skilled in the art.

[0039] The battery cavity 201 has a first mating part, and the battery has a second mating part corresponding to the first mating part. The first mating part is a first anti-mistake slope 21 disposed in the battery cavity 201, and the second mating part is a second anti-mistake slope 24 disposed on the battery 23. Through the cooperation of the first anti-mistake slope 21 and the second anti-mistake slope 24, a mistake-proof function can be achieved, which can prevent the positive and negative terminals from being installed in reverse when the battery 23 is installed into the battery cavity 201.

[0040] It should be noted that the first mating part can also be configured as a groove, and the second mating part can be configured as a protrusion. The mating of the protrusion and the groove can also play a role in preventing mistakes.

[0041] Specifically, the outer side wall of the housing 10 is also provided with an anti-slip part 18; by providing the anti-slip part 18, it is easy to pick up and put away the waist-mounted fan.

[0042] The battery 23 has a first charging port 25, through which the battery 23 can be directly charged.

[0043] The housing is provided with a second charging port 32, which is electrically connected to the control circuit board 30. The control circuit board 30 also has an adjustment switch 31. The air volume of the waist-mounted fan can be adjusted by setting the adjustment switch 31. The charging cable is inserted into the second charging port 32, so that the charging cable, the main control circuit board 32 and the battery 23 are electrically connected in sequence to charge the battery 23. Thus, the waist-mounted fan can be conveniently charged without removing the battery 23.

[0044] The cover 15 has a rotating shaft 151 arranged opposite to it. The housing 10 has a shaft hole 141 corresponding to the rotating shaft 151. During assembly, the rotating shaft is rotatably disposed in the shaft hole 141 so that the cover 15 can be flipped to cover the opening 14. The end face of the rotating shaft 151 has a guide slope 152. The shaft hole 141 is a strip-shaped hole that extends in the front-back direction. The slot 142 has a forward-opening insertion port. By setting the guide slope 152, it is easy to insert the rotating shaft 151 into the shaft hole 141. By setting the shaft hole 141 as a strip-shaped hole, it is easy to engage and lock the buckle 153 with the slot 142. The shaft hole 141 and the slot 142 are both located in the opening 14. During assembly, the cover 15 is pushed backward so that the buckle 153 is inserted into the slot 142 from the insertion port.

[0045] The outer side of the cover 15 is also provided with an opening arrow mark 154; by setting the opening arrow mark 154, it is easy for the user to open the cover 15.

[0046] The housing 10 is provided with a detachable inner shell 20, and the battery cavity 201 is disposed in the inner shell 20; the housing 10 has a first mounting hole 16, and the inner shell 20 has a second mounting hole 22. The inner shell 20 is detachably installed in the housing 10 by screwing the second mounting hole 22 into the first mounting hole 16.

[0047] The housing 10 is provided with a mounting post, and the first mounting hole 16 is provided on the mounting post.

[0048] There are two fans 13, which are located on both sides of the battery cavity 201.

[0049] An adjustable air guide 121 is provided at the air outlet 12; the air guide 121 is an air guide tube, which is rotatably adjustable at the air outlet 12; the air outlet direction can be adjusted by providing the air guide 121.

[0050] The air guide duct is connected to the air concentrator 131. The air guide duct has an air guiding channel inside. The rotation adjustment angle of the air guide duct is 90 degrees. The rotation axis of the air guide duct extends in the left and right direction.

[0051] It should be noted that the air guide 121 can also be an air guide plate.

[0052] The method of using this utility model is as follows: Push the cover 15 forward according to the arrow marking 154 to disengage the buckle 153 from the slot 142 to open the cover 15 and remove the battery 23 for replacement; after replacing the battery 23, close the cover 15 and push it backward to insert the buckle 153 into the slot 142. The battery 23 is pushed against the cover 15 by the elastic conductive element, which in turn pushes the cover 15 to keep the cover 15 securely closed.

[0053] Example 2

[0054] The difference between this embodiment and embodiment 1 is that the cover 15 is detachably installed at the opening 14, and the cover 15 and the housing 10 can be connected separately by snap-fit ​​or by screws.

[0055] It should be understood that the cover 15 and the housing 10 can be installed using a detachable installation structure commonly used by those skilled in the art.

[0056] The method of using this utility model is as follows: after disconnecting the cover 15 from the housing 10, remove the cover 15, take out the battery 23 and replace it; after replacing the battery 23, put the cover 15 back on.

[0057] This utility model allows for the convenient removal of the battery 23 during use by detachably placing the battery 23 in the battery cavity 201 and providing a cover 15 that can seal the opening 14. This facilitates the long-term use of the waist-mounted fan, meets the usage needs of existing waist-mounted fans, and enhances market competitiveness.

[0058] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Therefore, any modifications, equivalent substitutions, improvements, etc., made to the above embodiments based on the actual technical aspects of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A waist-mounted fan, characterized in that: The device includes a housing, inside which are a fan, a control circuit board, and a battery. The fan and the battery are electrically connected to the control circuit board. The housing has an air inlet and an air outlet corresponding to the fan. The housing also includes a battery cavity with an opening communicating with the battery cavity. A cover is provided at the opening, and the battery is detachably disposed in the battery cavity. One side of the cover is rotatably connected to the housing, and the other side of the cover is detachably connected to the housing. The cover has a rotating shaft arranged opposite to it, and the housing has a shaft hole corresponding to the rotating shaft. During assembly, the rotating shaft is rotatably disposed in the shaft hole so that the cover can be flipped and closed at the opening.

2. A waist-mounted fan according to claim 1, characterized in that, The other side of the cover is also provided with a buckle, and the housing is provided with a corresponding buckle groove. During assembly, the buckle is fastened in the groove.

3. A waist-mounted fan according to claim 2, characterized in that, The shaft hole is a strip-shaped hole that extends in the front-to-back direction, and the slot has a forward-opening insertion port.

4. A waist-mounted fan according to claim 1, characterized in that, The control circuit board has two elastic conductive posts that penetrate the bottom of the battery cavity and extend into the battery cavity. The control circuit board is electrically connected to the battery through the elastic conductive posts. During assembly, two conductive blocks at one end of the battery abut against the corresponding elastic conductive posts, and the other end of the battery abuts against the cover.

5. A waist-mounted fan according to claim 1, characterized in that, The battery cavity has a first mating portion, and the battery has a second mating portion corresponding to the first mating portion.

6. A waist-mounted fan according to claim 1, characterized in that, The battery is provided with a first charging port.

7. A waist-mounted fan according to claim 1, characterized in that, The housing is provided with a second charging port.

8. A waist-mounted fan according to claim 1, characterized in that, The air outlet is equipped with an adjustable air guide.

9. A waist-mounted fan according to claim 8, characterized in that, The air guide is an air guide tube, which is rotatably adjustable and located at the air outlet.

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