CN215860866U

CN215860866U - Hanging neck fan

Info

Publication number: CN215860866U
Application number: CN202121533378.XU
Authority: CN
Inventors: 李伟平; 杨广
Original assignee: Shenzhen Magic Cube Digital Technology Co ltd
Current assignee: Shenzhen Magic Cube Digital Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-02-18
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a neck hanging fan which comprises a neck wearing frame and two fan sets respectively connected to two opposite ends of the neck wearing frame, wherein each fan set comprises at least two fans, the fans in each fan set are at least partially overlapped along the central axis direction of the fan, each fan comprises a shell, a fan wheel contained in the shell and an air outlet arranged on one side of the shell, and the adjacent fans in each fan set are connected in a relatively rotating manner.

Description

Hanging neck fan

Technical Field

The utility model relates to the field of fans, in particular to a neck hanging fan.

Background

In recent years, people are pursuing more convenient life, and various portable fans such as neck hanging fans appear on the market in order to meet the requirement that the fans are needed to be used in outdoor activities or other life scenes. The neck hanging fan can be worn on the neck of a user for use, however, the air outlet direction of the known neck hanging fan is usually fixed, so that the requirements of the user in different application scenes cannot be flexibly met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a neck hanging fan which is adjustable in air outlet direction and wider in application.

A neck hanging fan comprises a neck wearing frame and two fan sets respectively connected to two opposite ends of the neck wearing frame, each fan set comprises at least two fans, the fans in each fan set are at least partially overlapped along the central axis direction of the fan, each fan comprises a shell, a fan wheel contained in the shell and an air outlet arranged on one side of the shell, and the adjacent fans in each fan set are connected in a relative rotating mode.

Each fan set comprises a first fan and a second fan, a first connecting shaft and a first connecting hole are respectively arranged on two opposite sides of the shell of the first fan, a second connecting hole matched with the first connecting shaft is arranged at the tail end of the neck wearing frame, a second connecting shaft matched with the first connecting hole is arranged on one side, facing the first fan, of the shell of the second fan, a second connecting shaft is arranged on the neck wearing frame, the first fan is inserted into the second connecting hole through the first connecting shaft and is installed on the neck wearing frame, and the second fan is inserted into the first connecting hole through the second connecting shaft and is connected with the first fan in a relatively rotating mode.

Wherein, the side surfaces in the first connecting hole and the second connecting hole are respectively provided with a rotating groove, the outer surfaces of the first connecting shaft and the second connecting shaft are respectively provided with a clamping block, the first connecting shaft is inserted in the second connecting hole and is rotatably clamped in the rotating groove through the clamping block so as to limit the first fan to be separated from the neck wearing frame along the direction of the central shaft; the second connecting shaft is inserted into the first connecting hole and rotatably clamped in the rotating groove through the clamping block so as to limit the second fan to be separated from the first fan along the direction of the central shaft.

The shell comprises a left shell and a right shell which are detachably connected, the first connecting shaft and the second connecting shaft are respectively arranged on the outer surface of the left shell, the outer surface of the right shell of the first fan protrudes outwards to form a connecting column, and the first connecting hole is formed in the connecting column.

The fan set comprises at least one fan, and is characterized in that at least one fan in at least one fan set further comprises a mounting shell, the mounting shell is arranged at one end of the shell corresponding to the fan, an accommodating cavity is formed between the mounting shell and the end face of the shell, and the accommodating cavity is used for accommodating a battery for providing electric energy for the fan and/or a circuit board for controlling the fan to work.

The mounting shell is provided with a switch key on one side departing from the shell, and the switch key is used for controlling the opening and closing and/or gear switching of the fans in the fan set.

At least one fan in each fan set comprises the installation shell, a switch key is arranged on the installation shell and used for controlling the opening and closing and/or gear switching of the corresponding fan in the fan set.

The other end of the shell, which is far away from the mounting shell, is provided with an air inlet; or, the two opposite ends of the shell and the mounting shell are respectively provided with an air inlet.

The neck wearing frame is internally provided with a battery for providing electric energy for the fan and/or a circuit board for controlling the fan to work, and the neck wearing frame is further provided with a switch key.

Each air outlet of the fan comprises a plurality of strip-shaped air outlet holes which are arranged along the circumferential direction of the corresponding shell at intervals, and the length of each air outlet hole along the direction of the central shaft is greater than or equal to the height of the fan wheel corresponding to the fan.

In summary, the neck hanging fan provided in the embodiments of the present invention includes a neck wearing frame and two fan sets respectively connected to two opposite ends of the neck wearing frame, each fan set includes at least two fans, the fans in each fan set are at least partially overlapped along a central axis direction thereof, air outlets are disposed at one side of a housing corresponding to the fans, and adjacent fans in each fan set are rotatably connected with each other, so that the air outlets of the fans in the fan sets can be adjusted to face the same or different directions, respectively, so that the fan sets can intensively dissipate heat of a certain part of a body or dissipate heat of multiple parts of the body through the fans, respectively, flexibly meet requirements of users in different application scenes, and improve an application range of the neck hanging fan.

Drawings

Fig. 1 is a perspective view of a neck hanging fan in an embodiment.

Fig. 2 is an exploded view of the neck hanging fan shown in fig. 1.

Fig. 3 is a sectional view of the neck hanging fan shown in fig. 1.

Detailed Description

The utility model is further described with reference to the following detailed description of embodiments in conjunction with the accompanying drawings.

Before the embodiments are described in detail, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model is capable of embodiments in other forms of implementation. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

As shown in fig. 1 to 3, an embodiment of the utility model provides a neck hanging fan, which includes a neck wearing frame 10 and two fan sets 20 respectively connected to two opposite ends of the neck wearing frame 10, each of the fan sets 20 includes at least two fans, the fans in each of the fan sets 20 are at least partially overlapped along a central axis direction thereof, each of the fans includes a housing 23, a fan wheel accommodated in the housing 23, and an air outlet 252 disposed at one side of the housing 23, and adjacent fans in each of the fan sets 20 are relatively rotatably connected.

In the above embodiment, the neck hanging fan includes a neck wearing frame 10 and two fan sets 20 respectively connected to two opposite ends of the neck wearing frame 10, each fan set 20 includes at least two fans, the fans in each fan set 20 are at least partially overlapped along a central axis direction thereof, the air outlet 252 is disposed at one side of the housing 23 corresponding to the fans, and adjacent fans in each fan set 20 are rotatably connected with each other, so that the air outlets 252 of the fans in the fan sets 20 can be adjusted to face the same or different directions, respectively, so that the fan sets 20 can radiate heat to a certain part of a body in a concentrated manner or radiate heat to multiple parts of the body through the fans, flexibly meet requirements of a user in different application scenes, and improve an application range of the neck hanging fan.

Wherein, the fans in each fan set 20 are at least partially overlapped along the central axis direction thereof by: the central axes of the fans in the fan set 20 are coaxial respectively, and the projections of the fans on a plane perpendicular to the central axes are completely overlapped; alternatively, the central axes of the plurality of fans in the fan group 20 are offset from each other, but the projections of the plurality of fans on a plane perpendicular to the central axes partially overlap.

In some embodiments, each of the fan sets 20 includes a first fan 21 and a second fan 22, two opposite sides of the housing 23 of the first fan 21 are respectively provided with a first connection shaft 210 and a first connection hole 212, the end of the neck wear frame 10 is provided with a second connection hole 112 matching with the first connection shaft 210, one side of the housing 23 of the second fan 22 facing the first fan 21 is provided with a second connection shaft 222 matching with the first connection hole 212, the first fan 21 is mounted on the neck wear frame 10 by inserting the first connection shaft 210 into the second connection hole 112, and the second fan 22 is rotatably connected with the first fan 21 by inserting the second connection shaft 222 into the first connection hole 212. Wherein, the first fan 21 and the neck wearing frame 10, and the first fan 21 and the second fan 22 are respectively connected with the connecting holes through connecting shafts in an inserting way, thereby being convenient for assembly and disassembly. The second fan 22 and the first fan 21 are relatively rotatably connected through the second connection shaft 222 and the first connection hole 212 in a matching manner, so that the orientation of the air outlet 252 of the second fan 22 can be adjusted; the first fan 21 and the neck wear rack 10 are connected in a relatively rotatable manner through the cooperation of the first connecting shaft 210 and the second connecting hole 112, and the orientation of the air outlet 252 of the first fan 21 can be adjusted, so that the orientations of the air outlets 252 of the first fan 21 and the second fan 22 in each fan set 20 can be adjusted relatively independently, and different requirements of users can be met more flexibly. It should be noted that, in other embodiments, the positions of the first connecting shaft 210 and the second connecting hole 112 connecting the first fan 21 and the neck wear rack 10 can be interchanged, and the positions of the second connecting shaft 222 connecting the first fan 21 and the second fan 22 and the first connecting hole 212 can also be interchanged, and the two solutions are substantially equivalent, and the first fan 21 and the neck wear rack 10 can also be fixedly connected by the first connecting shaft 210 and the second connecting hole 112 in a mutually matching manner.

Optionally, the side surfaces in the first connection hole 212 and the second connection hole 112 are respectively provided with a rotation groove 215, the outer surfaces of the first connection shaft 210 and the second connection shaft 222 are respectively provided with a fixture block 216, the first connection shaft 210 is inserted into the second connection hole 112 and is rotatably clamped in the rotation groove 215 through the fixture block 216, so as to limit the first fan 21 from being separated from the neck wear rack 10 along the central axis direction; the second connecting shaft 222 is inserted into the first connecting hole 212 and rotatably engaged in the rotating groove 215 via the engaging block 216, so as to limit the second fan 22 from being separated from the first fan 21 along the central axis direction. The rotating groove 215 comprises a first groove part and a second groove part which are arranged along the axis direction of the corresponding connecting hole in a partially staggered mode and are communicated with each other, the first groove part and the second groove part are generally L-shaped integrally, when the connecting shaft is inserted into the corresponding connecting hole, the fixture block 216 on the connecting shaft is aligned with the first groove part in the corresponding connecting hole, the connecting shaft is rotated to enable the fixture block 216 to slide to the second groove part from the first groove part, the fixture block 216 is clamped in the second groove part to be connected, the connecting shaft is limited to be separated from the corresponding connecting hole along the direction of the central shaft through the matching of the fixture block 216 and the rotating groove 215, and the connecting shaft is simple in structure and is more stable after installation.

Optionally, the housing 23 includes a left shell 231 and a right shell 232 that are detachably connected, the first connecting shaft 210 and the second connecting shaft 222 are respectively disposed on an outer surface of the left shell 231, an outer surface of the right shell 232 of the first fan 21 protrudes outward to form a connecting column, and the first connecting hole 212 is disposed in the connecting column. Casing 23 sets up to be formed by the equipment of left shell 231 and right shell 232 detachable, and the connecting axle all sets up on left shell 231, makes things convenient for the equipment of fan on the one hand, and on the other hand left shell 231 can adopt the same structural design, can reduce fan design, manufacturing cost.

In some embodiments, at least one of the fans in at least one of the fan sets 20 further includes a mounting shell 24, the mounting shell 24 is disposed at one end of the housing 23 corresponding to the fan, and a receiving cavity is formed between the mounting shell 24 and an end surface of the housing 23, and the receiving cavity is used for receiving a battery 26 for supplying power to the fan and/or a circuit board 27 for controlling the operation of the fan. The shape and the size of the mounting shell 24 correspond to the shape and the size of the end face of the shell 23 of the fan respectively, the mounting shell 24 is detachably connected with the shell 23 of the corresponding fan, and the battery 26, the circuit board 27 and the like can be conveniently accommodated through the arrangement of the mounting shell 24; secondly, through the arrangement of the installation shell 24, the fan set 20 can be formed into a relatively independent and complete module, and when the neck hanging fan set 20 is installed, the fan set 20 can be connected with the neck wearing frame 10 as a modularized whole, so that the light design of the neck wearing frame 10 is facilitated.

The side of the mounting shell 24 away from the housing 23 is provided with a switch button 28, and the switch button 28 is used for controlling the on/off and/or gear shifting of the fans in the fan set 20. The switch button 28 is electrically connected to the circuit board 27, and the switch button 28 may be only a button for controlling the fan to be turned on or off, or only a button for controlling the fan to be switched between different gears, or a button for controlling the fan to be turned on or off and controlling the fan to be switched between gears. Each fan set 20 may be provided with at least one fan mounting shell 24, the fan set 20 may be provided with the mounting shell 24 only in one of the fans, and the switch button 28 provided on the mounting shell 24 is used to control the fans in the fan set 20 to be synchronously turned on, turned off, or shifted.

As another optional embodiment, each fan in the fan set 20 may further include the mounting shell 24, the mounting shell 24 is provided with a switch button 28, and the switch button 28 is used for controlling the on/off and/or gear shifting of the corresponding fan in the fan set 20. Set up respectively through each fan installation shell 24, through switch button 28 on installation shell 24 control respectively corresponding opening, switching or the gear switching of fan, convenience of customers carries out independent control to a plurality of fans in same fan group 20, so, a plurality of fans not only can adjust the orientation of air outlet 252 mutually independently in same fan group 20, and can open independently, close or the gear switching adjusts the amount of wind, can satisfy user's different demands more nimble.

Optionally, the other end of the housing 23 facing away from the mounting shell 24 is provided with an air inlet 251; or, the opposite ends of the housing 23 and the mounting shell 24 are respectively provided with an air inlet 251. The position of the air inlet 251 can correspond to the position of the fan wheel, and the air inlet 251 can be arranged on only one of the housing 23 and the mounting shell 24 as an air inlet in the working process of the fan, or the air inlet 251 can be arranged on both of the housing 23 and the mounting shell 24, so as to improve the air inlet efficiency of the fan.

In another alternative embodiment, the battery 26 for supplying electric power to the fan and/or the circuit board 27 for controlling the operation of the fan may also be disposed in the neck wear frame 10, and the switch button 28 may also be disposed on the neck wear frame 10, where the switch button 28 is used for controlling the on/off and/or gear shifting of the fans in the fan set 20. Thus, the neck wearing frame 10 is internally provided with a battery for providing electric energy for the fan and/or a circuit board 27 for controlling the fan to work, the neck wearing frame 10 is also provided with a switch key 27, and the battery 26, the circuit board 27 and the switch key 28 are arranged on the neck wearing frame 10, so that the whole size of the fan set 20 can be reduced.

Optionally, the air outlet 252 of each fan includes a plurality of strip-shaped air outlets arranged at intervals along the circumferential direction of the corresponding housing 23, and the length of each air outlet along the central axis direction is greater than or equal to the height of the fan wheel corresponding to the fan. The air outlet 252 is formed by a plurality of air outlets, and the size and arrangement of the air outlets can be adjusted, so that the air outlet of the fan is more uniform.

In summary, the neck hanging fan provided in the embodiments of the present invention at least has the following features:

the first fan group 20 at the two ends of the neck wear frame 10 respectively comprises at least two fans, and the adjacent fans are respectively connected in a relatively rotatable manner, so that the air outlets 252 of the fans in the fan group 20 can be adjusted to respectively face the same or different directions, so that the fans in the fan group 20 can intensively dissipate heat of a certain part of a body or respectively dissipate heat of a plurality of parts of the body through the fans, the requirements of a user in different application scenes are flexibly met, and the application range of the neck hanging fan is expanded;

secondly, at least one fan or each fan in the fan set 20 is provided with a mounting shell 24, and the mounting shell 24 is connected with a shell 23 of the fan to provide a containing space for a battery 26, a circuit board 27 and the like, so that the fan set 20 can be formed into a functional independent and complete module, when the neck hanging fan set 20 is assembled, the fan set 20 is connected with the neck wearing frame 10 as a modularized whole, and the light design of the neck wearing frame 10 is facilitated;

thirdly, the plurality of fans in the fan set 20 can be provided with the switch keys 28 for unified control or can be respectively provided with the switch keys 28 for independent control, and the plurality of fans can be independently turned on and off or switched between gears to conveniently adjust the air volume, so that different requirements of users can be more flexibly met.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a hang neck fan, its characterized in that, wear the frame including the neck and connect respectively in the frame is worn to the neck two fan groups of relative both ends, each fan group includes two at least fans, each fan in the fan group along its central axis direction at least part superpose, each fan include the casing, accept in fan wheel in the casing and locate the air outlet of casing one side, but each fan group adjacent the fan is connected with rotating relatively.

2. The neck hanging fan as claimed in claim 1, wherein each of the fan sets comprises a first fan and a second fan, the first fan has a first connecting shaft and a first connecting hole on opposite sides of the housing, the neck frame has a second connecting hole at a distal end thereof, the second fan has a second connecting shaft engaged with the first connecting shaft on a side thereof facing the first fan, the first fan is mounted on the neck frame by inserting the first connecting shaft into the second connecting hole, and the second fan is rotatably connected to the first fan by inserting the second connecting shaft into the first connecting hole.

3. The neck hanging fan as claimed in claim 2, wherein the first connecting hole and the second connecting hole are respectively provided with a rotating groove on the side surface thereof, the first connecting shaft and the second connecting shaft are respectively provided with a clamping block on the outer surface thereof, the first connecting shaft is inserted into the second connecting hole and rotatably clamped in the rotating groove by the clamping block, so as to limit the first fan to be separated from the neck wearing frame along the central axis direction; the second connecting shaft is inserted into the first connecting hole and rotatably clamped in the rotating groove through the clamping block so as to limit the second fan to be separated from the first fan along the direction of the central shaft.

4. The neck hanging fan as claimed in claim 2, wherein the housing comprises a left housing and a right housing detachably connected with each other, the first connecting shaft and the second connecting shaft are respectively disposed on an outer surface of the left housing, an outer surface of the right housing of the first fan protrudes outward to form a connecting column, and the first connecting hole is disposed in the connecting column.

5. The hanging neck fan as claimed in claim 1, wherein at least one of the fans in at least one of the fan sets further comprises a mounting case, the mounting case is disposed at one end of the casing corresponding to the fan, and a receiving cavity is formed between the mounting case and an end surface of the casing, and the receiving cavity is used for receiving a battery for supplying power to the fan and/or a circuit board for controlling the operation of the fan.

6. The neck fan as claimed in claim 5, wherein the mounting case is provided with a switch button on a side thereof away from the housing, the switch button being used to control the switching and/or gear shifting of the plurality of fans in the fan set.

7. The neck fan as claimed in claim 5, wherein at least one of the fans in each of the fan sets includes the mounting case, and the mounting case is provided with a switch button for controlling on/off and/or gear shifting of the corresponding fan in the fan set.

8. The neck hanging fan as claimed in claim 5, wherein the housing has an air inlet at the other end away from the mounting case; or, the two opposite ends of the shell and the mounting shell are respectively provided with an air inlet.

9. The neck hanging fan as claimed in claim 1, wherein a battery for supplying electric energy to the fan and/or a circuit board for controlling the fan to work are arranged in the neck wearing frame, and a switch button is further arranged on the neck wearing frame.

10. The hanging neck fan as claimed in any one of claims 1 to 9, wherein the air outlet of each fan includes a plurality of strip-shaped air outlets spaced along a circumferential direction of the housing, and a length of each air outlet along the central axis direction is greater than or equal to a height of a fan wheel of the corresponding fan.