CN211474489U

CN211474489U - Hanging neck fan

Info

Publication number: CN211474489U
Application number: CN202020122560.5U
Authority: CN
Inventors: 刘凯; 杨广; 伍勋焕
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-09-11
Anticipated expiration: 2030-01-18
Also published as: WO2021143888A1

Abstract

The utility model discloses a hang neck fan, including being used for wearing the arc support on human neck, setting up in the casing at arc support both ends and setting up fan and the drive arrangement in the casing, every casing includes lateral wall and inside wall, and the inside wall is for being close to the casing of neck one side, and a drive arrangement is fixed in on the internal surface of lateral wall, and on another drive arrangement was fixed in the internal surface of inside wall, drive arrangement was used for driving fan to rotate. The driving device is fixed on the inner surface of the outer side wall, the fan is connected with the driving device on the inner surface of the inner side wall, so that the assembling directions of the fans on the left side and the right side are consistent, the fans on the left side and the right side can be of the same type, the problem that the fan is easy to make mistakes during assembling is solved, and the universality of the fan is improved. Because the left fan and the right fan are universal, the production cost is reduced during production, the assembly procedures are reduced during assembly, and the error rate is reduced.

Description

Hanging neck fan

Technical Field

The utility model relates to a fan technical field, concretely relates to hang neck fan.

Background

The fan is a common cooling device and is mainly used for cooling and relieving summer heat and circulating air. The conventional fans are generally classified into a vertical type used by standing on the ground and a wall-mounted type used by hanging on a wall, as household appliances, and the above-mentioned types of fans are used indoors.

In recent years, a neck hanging fan is popular among consumers due to its small size and portability. The neck hanging fan is hung on the neck of a human body, the fans arranged at the two ends of the support rotate to provide flowing air, and the flowing air can be conducted to the periphery of the head, so that the cooling effect is achieved. Traditional neck fan of hanging sets up the fan at arc support both ends because the mirror image installation sets up, for guaranteeing the syntropy air-out, the fan on left and right sides can not be general, and the fan commonality is low, easily assembles mistake and the cost is higher.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a hang neck fan, solves traditional hang neck fan, and the fan that sets up arc support both ends is because mirror image installation sets up, for guaranteeing the syntropy air-out, and the fan on left and right sides can not be general, and the fan suitability is low, easily assembles mistake and the higher problem of cost.

A neck hanging fan comprises an arc-shaped support and shells, wherein the arc-shaped support is used for being worn on the neck of a human body, the shells are arranged at two ends of the arc-shaped support, and a fan and a driving device are respectively arranged in each shell; each shell comprises an outer side wall and an inner side wall, the inner side wall is a side wall close to one side of the neck of the human body, and the outer side wall is a side wall far away from one side of the neck of the human body; the driving device in one of the shells is fixed on the outer side wall, the driving device in the other shell is fixed on the inner side wall, and the driving device is used for driving the fan to rotate.

In one embodiment, the driving device includes a fixing portion and a rotating portion, the fixing portion of the driving device in one of the housings is fixed to the outer sidewall, the fixing portion of the driving device in the other housing is fixed to the inner sidewall, and the rotating portion is fixedly connected to the fan and is configured to drive the fan to rotate.

In one embodiment, a through hole is formed in the axis of the fixing portion, the fan includes an impeller and a rotating shaft, and the rotating shaft is inserted into the through hole, so that the fixing portion is matched with the rotating portion to drive the impeller to rotate.

In one embodiment, a protruding shaft is disposed on an inner surface of the side wall to which the fixing portion is fixed, the fixing portion is sleeved on the protruding shaft and is fixedly connected with the housing, the protruding shaft is of a hollow structure, and a rotating shaft of the fan is inserted into the protruding shaft, so that the fixing portion is matched with the rotating portion to drive the impeller to rotate.

In one embodiment, the driving device is a motor, and the motor in one of the housings is fixed on the outer side wall, and the motor in the other housing is fixed on the inner side wall.

In one embodiment, the fan includes an impeller and a sleeve, and the sleeve is sleeved on a bearing of the motor and is fixedly connected with the bearing, so that the motor drives the impeller to rotate.

In one embodiment, the fan includes an impeller, a groove is disposed at an axial center of the impeller, and the groove is sleeved on a bearing of the motor and is fixedly connected with the bearing, so that the motor drives the impeller to rotate; or, the impeller axle center position is provided with the through-hole that runs through the impeller, the through-hole cover is located on the bearing of motor and with bearing fixed connection makes the motor drives the impeller rotates.

In one embodiment, the casing further comprises a baffle plate arranged in the casing, a through hole is further formed in a side surface of the casing, the side surface is a surface connected between the outer surface of the outer side wall and the outer surface of the inner side wall, and the baffle plate is used for guiding wind generated by rotation of the fan to the through hole and guiding the wind out of the casing through the through hole.

In one embodiment, the housing further includes a covering portion, the outer surface of the outer sidewall is provided with openings corresponding to the fans, the covering portion is disposed on the outer surface of the outer sidewall and covers the openings, and gaps are disposed between the openings.

In one embodiment, the neck hanging fan further comprises a flexible connecting piece, the flexible connecting piece is a universal hose, the arc-shaped support is made of a flexible material, and the universal hose is arranged in the arc-shaped support.

The embodiment of the utility model provides a hang neck fan, through with one of them in the casing drive arrangement is fixed in on the lateral wall, another in the casing drive arrangement is fixed in on the inside wall for the fan assembly direction on left and right sides is unanimous, and the fan on left and right sides can be the same type, has solved the problem that the fan assembly makes mistakes easily and has improved the commonality of fan. Because the left fan and the right fan are universal, the production cost is reduced during production, the assembly procedures are reduced during assembly, and the error rate is reduced.

Drawings

Fig. 1 is a schematic structural view of a neck hanging fan according to an embodiment of the present invention.

3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 of 3 the 3 hanging 3 neck 3 fan 3 shown 3 in 3 fig. 31 3 at 3 a 3- 3 a 3 plane 3. 3

Fig. 3 is an exploded view of the neck hanging fan shown in fig. 1.

Fig. 4 is a schematic structural diagram of the fan and the driving device of the neck hanging fan shown in fig. 3.

Fig. 5 is a schematic structural view of a housing of the neck hanging fan shown in fig. 3.

Fig. 6 is a schematic structural diagram of another casing of a neck hanging fan according to an embodiment of the present invention.

Detailed Description

In order to make the technical solution and advantages of the present invention more clear, the following will further describe the embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 and 3, the neck hanging fan provided by the embodiment of the present invention comprises an arc-shaped support 10 for wearing on the neck of a human body and shells 20 disposed at two ends of the arc-shaped support, wherein each of the shells is internally provided with a fan 30 and a driving device 40, each of the shells 20 comprises an outer side wall 200 and an inner side wall 210, the inner side wall 210 is a side wall close to one side of the neck of the human body, and the outer side wall 200 is a side wall far away from one side of the neck of the human body; the driving device 40 in one of the housings 20 is fixed on the outer sidewall 200, and the driving device 40 in the other housing 20 is fixed on the inner sidewall 210, and the driving device 40 is used for driving the fan 30 to rotate.

In the neck hanging fan provided by the above embodiment, the driving device 40 in one of the casings 20 is fixed on the outer side wall 200, the driving device 40 in the other casing is fixed on the inner side wall 210, and then the fan 30 is connected with the driving device 40, so that the assembling directions of the fans 30 on the left side and the right side are the same, the fans 30 on the left side and the right side can be of the same type, the problem of easy error in fan assembling is solved, and the universality of the fan is improved. Because the left fan and the right fan are universal, the production cost is reduced during production, the assembly procedures are reduced during assembly, and the error rate is reduced.

In one embodiment, as shown in fig. 4, the driving device 40 includes a fixing portion 400 and a rotating portion 410, wherein the fixing portion 400 of the driving device 40 in one housing 20 is fixed on the inner surface of the outer sidewall 200, the fixing portion 400 of the driving device 40 in the other housing 20 is fixed on the inner surface of the inner sidewall 210, and the rotating portion 410 is fixedly connected to the fan 30 for driving the fan 30 to rotate.

Further, a through hole is formed in the axial center of the fixing portion 400, the fan 30 includes an impeller 300 and a rotating shaft 310, and the rotating shaft 310 is inserted into the through hole, so that the fixing portion 400 is matched with the rotating portion 410 to drive the impeller 300 to rotate. In other embodiments, the inner surface of the sidewall fixed with the fixing portion 400 is provided with the protruding shaft 206, the fixing portion 400 is sleeved on the protruding shaft 206 and is fixedly connected with the housing 20, the protruding shaft 206 is a hollow structure, and the rotating shaft 310 of the fan 30 is used for being inserted into the protruding shaft 206, so that the fixing portion 400 is matched with the rotating portion 410 to drive the impeller 300 to rotate.

Specifically, in the embodiment, a driving device is taken as a motor for explanation, the fixing portion 400 is a stator of the driving device 40, one stator is fixed in each of the housings at the two ends of the arc-shaped bracket 10, and one stator is fixed on the inner surface of the outer side wall 200, and the other stator is fixed on the inner surface of the inner side wall 210. The rotating portion 410 is a rotor of the driving device 40, the position of the rotating shaft 310 of the fan 30 is a cavity, the rotor is disposed in the cavity and tightly attached to the wall of the cavity, when the rotating shaft 310 is inserted into the through hole or the protruding shaft 206, the stator is accommodated in the cavity and cooperates with the rotor to form the driving device 40, and after the power is turned on, the rotor rotates to drive the fan impeller to rotate.

In the above-mentioned embodiment, through the assembly direction of change fan for left and right sides fan can the syntropy assembly, has solved the mirror image setting of fan about traditional neck fan, and two fans can not be general and the problem of easy assembly mistake.

In other embodiments, the driving device 40 includes a motor (not shown), and the motor in one housing 20 is fixed to the outer sidewall 200, and the motor in the other housing 20 is fixed to the inner sidewall 210. The fan 30 includes an impeller 300 and a sleeve (not shown) which is sleeved on and fixedly connected with a bearing of the motor, so that the motor drives the impeller 300 to rotate.

Specifically, in this embodiment, one end of the motor is fixed on the inner surface of the casing 20, and the other end of the motor is a rotating bearing, and correspondingly, the fan 30 includes the impeller 300 and a sleeve disposed at the axial center position of the impeller, the sleeve is sleeved on the bearing to fixedly connect the impeller 300 and the bearing, when the motor works, the rotation of the bearing drives the impeller 300 to rotate, so as to realize the normal work of the fan. In other embodiments, the fan comprises an impeller, wherein a groove is formed in the axial center of the impeller, and the groove is sleeved on a bearing of the motor and is fixedly connected with the bearing, so that the motor drives the impeller to rotate; or the through hole penetrating through the impeller is arranged at the axis position of the impeller, and the through hole is sleeved on a bearing of the motor and is fixedly connected with the bearing, so that the motor drives the impeller to rotate. In other embodiments, the fixing manner of the motor bearing and the impeller is not particularly limited.

In one embodiment, as shown in fig. 5, the housing 20 further includes a baffle 230, the baffle 230 is disposed in the housing 20, the housing 20 is further provided with a through hole 240 on a side surface thereof, the side surface is a surface connected between the outer surface of the outer sidewall 200 and the outer surface of the inner sidewall 210, and the baffle 230 is used for guiding the wind generated by the rotation of the fan 30 to the through hole 240 and guiding the wind out of the housing 20 through the through hole 240.

Specifically, casing 20 is provided with fan 30 and drive arrangement 40 by lateral wall 200 and inside wall 210 lock formation one end open-ended cavity in the cavity, and the open position is connected with arc support 10, because arc support 10 inside cavity sets up and casing 20 is comparatively slender, and the wind that the fan rotated the production flows to casing 20 open end easily, is difficult for deriving casing 20, reaches the cooling effect. Through set up cowl 230 in casing 20, and casing 20 side sets up through-hole 240, the wind that fan 30 rotated the production contacts cowl 230 after, flows to through-hole 240 position along cowl 230 to derive casing 20, reach air-out cooling effect. In the present embodiment, to achieve a better wind guiding effect, the baffle 230 is arc-shaped and extends from the side surface provided with the through hole to the other side surface, so that when the outer sidewall 200 and the inner sidewall 210 are fastened, the baffle 230 separates the space where the fan 30 is located into independent spaces, and the extending direction of the baffle 230 is the flow direction of the air. In other possible embodiments, the baffle 230 may be provided in other shapes, and is not particularly limited herein.

In one embodiment, the housing 20 further includes a covering portion 250, the outer surface of the outer sidewall 200 is provided with openings corresponding to the fans 30, the covering portion 250 is disposed on the outer surface of the outer sidewall 210 and covers the openings of the outer sidewall 200 with gaps therebetween. Specifically, when the fan 30 is installed in the housing 20, since the housing 20 is a closed space, in order to ensure that air can enter the housing 20 and the fan 30 can generate flowing air flow when rotating, a corresponding opening needs to be formed on the outer surface of the outer side wall 210. However, since the neck hanging fan needs to be hung on the neck for use, the opening needs to be covered in order to prevent other impurities such as hair from being sucked into the housing 20 and causing the failure of the fan 30. Through the arrangement of the covering part 250, the through hole formed in the outer wall 210 can be covered, so that the situation that sundries such as hair are sucked into the shell 20 to cause the failure of the fan 30 is avoided; meanwhile, a certain gap is left between the covering part 250 and the opening of the outer side wall 210 to ensure the circulation of air.

In one embodiment, as shown in fig. 3, the neck hanging fan further includes a flexible connecting member 50, the flexible connecting member 50 is a universal hose, the arc-shaped support 10 is made of a flexible material, and the flexible connecting member 50 is disposed in the arc-shaped support 10. Wherein, soft connecting piece 50 is the cavity setting, through setting up soft connecting piece 50 of cavity, can with connecting wires such as wire set up in soft connecting piece 50, hang the neck fan when using, arc support 10 is flexible material, for example flexible glue, and flexible material's arc support 10 cooperates universal hose, can be according to user's needs bending deformation for arbitrary angle. Meanwhile, the universal hose ensures the stable connection of the wires.

In one embodiment, as shown in fig. 6, the hanging neck fan further includes a switch portion 60, and the switch portion 60 is disposed on the housing 20. In the present embodiment, the switch unit 60 is fixed to the outer wall 200 by providing a through hole corresponding to the switch unit 60 in the outer wall 200. The starting and the suspension of the neck hanging fan can be realized by adjusting the switch part 200, and meanwhile, the wind power control of the neck hanging fan can be realized by adjusting the switch part 60. In the in-service use scene, hang the neck fan and mostly use under outdoor high temperature environment, when the user briefly got into indoor, accessible switch portion 60 temporarily closed and hung the neck fan, reached the effect of practicing thrift the electric energy for hang the neck fan and can have longer live time. Meanwhile, when the external temperature changes, the wind power of the neck hanging fan can be controlled by adjusting the switch part 60, so that a better cooling effect is achieved. In other embodiments, the switch portion 60 may also include other possible functions, which are not limited herein. Similarly, the switch unit 60 may be disposed at other positions of the neck hanging fan, such as the arc-shaped bracket 10, as long as it is convenient for the user to operate and control.

Further, as shown in fig. 6, the hanging neck fan further includes a battery 70, and the battery is disposed in the housing 20. In the present embodiment, the battery 70 is disposed in the case 20 as an example. By arranging the battery 70 in the housing 20, the battery 70 can provide electric energy for the driving device 40 when the fan 30 rotates, so that the neck hanging fan can work at any time. In other embodiments, the number of the batteries 70 may be two, and one battery 70 is disposed in each housing 20 to respectively provide power for the driving device 40, so that the neck hanging fan has longer endurance. Similarly, the switch unit 60 may be provided in two units, and the driving units 40 on the left and right sides may be separately controlled, so that the driving units 40 may be separately operated.

According to the neck hanging fan provided by the embodiment, the driving device in one of the shells is fixed on the outer side wall, and the driving device in the other shell is fixed on the inner side wall, so that the assembling directions of the left fan and the right fan are consistent, the left fan and the right fan can be of the same type, the problem that the fans are easy to make mistakes during assembling is solved, and the universality of the fans is improved. Because the left fan and the right fan are universal, the production cost is reduced during production, the assembly procedures are reduced during assembly, and the error rate is reduced.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A hang neck fan which characterized in that: the neck-protecting neck comprises an arc-shaped; each shell comprises an outer side wall and an inner side wall, the inner side wall is a side wall close to one side of the neck of the human body, and the outer side wall is a side wall far away from one side of the neck of the human body; the driving device in one of the shells is fixed on the outer side wall, the driving device in the other shell is fixed on the inner side wall, and the driving device is used for driving the fan to rotate.

2. The neck hanging fan as claimed in claim 1, wherein: the driving device comprises a fixing part and a rotating part, wherein the fixing part of the driving device in the shell is fixed on the outer side wall, the fixing part of the driving device in the shell is fixed on the inner side wall, and the rotating part is fixedly connected with the fan and used for driving the fan to rotate.

3. The neck hanging fan as claimed in claim 2, wherein: the fan comprises an impeller and a rotating shaft, wherein the rotating shaft is inserted into the through hole, so that the fixed part is matched with the rotating part to drive the impeller to rotate.

4. The neck hanging fan as claimed in claim 3, wherein: the impeller comprises a shell, a fixed part and a fan, wherein the fixed part is fixed on the inner surface of the side wall, the fixed part is sleeved on the protruding shaft and is fixedly connected with the shell, the protruding shaft is of a hollow structure, and a rotating shaft of the fan is inserted into the protruding shaft, so that the fixed part is matched with the rotating part to drive the impeller to rotate.

5. The neck hanging fan as claimed in claim 1, wherein: the driving device is a motor, the motor in one shell is fixed on the outer side wall, and the motor in the other shell is fixed on the inner side wall.

6. The neck hanging fan as claimed in claim 5, wherein: the fan comprises an impeller and a sleeve, wherein the sleeve is sleeved on a bearing of the motor and fixedly connected with the bearing, so that the motor drives the impeller to rotate.

7. The neck hanging fan as claimed in claim 5, wherein: the fan comprises an impeller, a groove is arranged at the axis position of the impeller, and the groove is sleeved on a bearing of the motor and is fixedly connected with the bearing, so that the motor drives the impeller to rotate; or, the impeller axle center position is provided with the through-hole that runs through the impeller, the through-hole cover is located on the bearing of motor and with bearing fixed connection makes the motor drives the impeller rotates.

8. The hanging neck fan as claimed in any one of claims 1 to 7, wherein: the casing still including set up in baffle in the casing, still be provided with the through-hole on the casing side, the side is for connecting in the surface of lateral wall with the surface between the surface of inside wall, the baffle is used for with the wind direction that the fan rotation produced the through-hole leads through the through-hole the casing.

9. The neck hanging fan as claimed in claim 8, wherein: the casing still includes the portion that closes of lid, the surface of lateral wall be equipped with the trompil that the fan corresponds, the portion that closes of lid set up in just cover on the surface of lateral wall the trompil and in be equipped with the clearance between the trompil.

10. The neck hanging fan as claimed in claim 9, wherein: hang the neck fan and still include flexible connecting piece, flexible connecting piece is universal hose, the arc support material is flexible material, universal hose set up in the arc support.