CN211550030U

CN211550030U - Hanging neck type fan

Info

Publication number: CN211550030U
Application number: CN201921718937.7U
Authority: CN
Inventors: 刘凯
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-09-22
Anticipated expiration: 2029-10-11

Abstract

The utility model provides a hang neck formula fan, including support and an at least subassembly that blows, the support is used for wearing on human neck, the subassembly that blows set up in the support, be equipped with battery and circuit board in the support, the battery with the circuit board electricity is connected, the circuit board with the subassembly electricity of blowing is connected, the support with be equipped with universal coupling mechanism between the subassembly of blowing, universal coupling mechanism makes the subassembly of blowing can be relative the universal free rotation of support.

Description

Hanging neck type fan

Technical Field

The utility model relates to a fan, in particular to hang neck formula fan.

Background

In hot summer, electric fans, air conditioners and the like are cooling equipment which are most commonly used by people, but the cooling equipment can only be used indoors and cannot be carried about, when people go out or have an open rest, the people can only cool themselves by using fans or natural wind, but the people do not have the natural wind many times and are tired by using the fans. In response to the situation, various portable fans appear on the market, most of the portable fans are handheld, taking and storing are inconvenient, hands are tired even if the portable fans are held for a long time, and angle adjustment cannot be flexibly achieved for the portable fans.

In the prior art, the angle of the fan is adjusted by bending the metal hose of the neck hanging fan, but the metal hose is easily damaged by bending the metal hose.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a hang neck formula fan.

In an embodiment, the blowing assembly is a fan, the fan includes a ring-shaped member, fan blades and a connecting portion disposed on an outer side wall of the ring-shaped member, the fan blades are rotatably disposed in the ring-shaped member, the universal connecting mechanism includes a first connecting rod and a second connecting rod, the first connecting rod has a first end and a second end opposite to each other, the second connecting rod is connected with the first connecting rod in a cross shape, a groove is disposed at an end of the bracket, the first end of the first connecting rod is rotatably connected to the groove, and the connecting portion is pivotally connected to two ends of the second connecting rod.

In an embodiment, a protrusion is arranged on one of the first end of the first connecting rod and the inner wall of the groove, and a clamping groove matched with the protrusion is arranged on the other one of the first end of the first connecting rod and the inner wall of the groove, so that the fan can rotate around the axis of the first connecting rod; the connecting part comprises a first part and a second part which are arranged at intervals, shaft holes are respectively arranged on the first part and the second part, and the two shaft holes are respectively sleeved at two ends of the second connecting rod, so that the fan can rotate by taking the axis where the second connecting rod is located as a shaft.

In an embodiment, the blowing assembly is a fan, the fan includes a ring member, fan blades and a connecting portion disposed on an outer side wall of the ring member, the fan blades are rotatably disposed in the ring member, the universal connecting mechanism is a universal ball, the universal ball is disposed on one of an end portion of the bracket and the connecting portion, a shaft sleeve for cooperating with the universal ball is disposed on the other of the end portion of the bracket and the connecting portion, and a damping structure is disposed on an inner wall of the shaft sleeve and/or an outer wall of the universal ball.

In an embodiment, the blowing assembly includes a blowing portion and a wind guiding portion, a receiving cavity is formed in an end portion of the support, an air inlet is formed in the support corresponding to the receiving cavity, the blowing portion is arranged in the receiving cavity or the wind guiding portion, the wind guiding portion is connected to the end portion of the support through the universal connecting mechanism, a flow guiding channel is formed in the wind guiding portion, an air outlet communicated with the flow guiding channel is formed in the wind guiding portion, a through hole is formed in the universal connecting mechanism, and the through hole is communicated with the receiving cavity and the flow guiding channel.

In an embodiment, the universal connection mechanism is a universal ball, the air guide portion is provided with a connection portion, the universal ball is arranged on one of the end portion of the support and the connection portion, the other of the end portion of the support and the connection portion is provided with a shaft sleeve used for being matched with the universal ball, the through hole penetrates through the universal ball, a rotary joint is arranged between the end portion of the support and the air guide portion, the rotary joint is sleeved outside the connection portion, and the rotary joint is flexible to compress, extend or twist along with rotation of the air guide portion.

In some embodiments, the fan includes a grid member for protecting the fan blades, the grid member includes a plurality of grid bars, one end of each grid bar is connected to the inner wall of the ring member, the other end of each grid bar is connected to a motor of the fan, the motor is electrically connected to the circuit board, at least one grid bar is provided with a wire guiding structure therein, and the ring member, the connecting portion and the universal connecting mechanism are respectively provided with a through hole, so that the wire comes out of the motor, passes through the wire guiding structure and passes through the through holes of the ring member, the connecting portion and the universal connecting mechanism respectively to enter the bracket to be connected to the circuit board.

In one embodiment, the bracket is provided with a first bracket end and a second bracket end which are opposite, the two blowing assemblies are arranged in two, and the two blowing assemblies are respectively arranged on the bracket through the universal connection mechanism.

In one embodiment, the hanging neck type fan further comprises a USB interface, a switch and a display lamp, and the USB interface, the switch and the display lamp are electrically connected to the circuit board.

In one embodiment, the USB interface, the switch and the display lamp are arranged on the bracket.

To sum up, the utility model provides a can realize 360 degrees freedom adjustment fan turned angle's hanging neck formula fan. A universal connecting mechanism is arranged between the support and the blowing assembly, in one embodiment, the universal connecting mechanism comprises a first connecting rod and a second connecting rod which are connected in a cross shape, the first connecting rod is rotatably connected to the end part of the support, so that the blowing assembly can rotate by taking the axis of the first connecting rod as a shaft, and the blowing assembly is rotatably connected to the second connecting rod, so that the fan can rotate by taking the axis of the second connecting rod as a shaft, and 360-degree angle adjustment is realized; in another embodiment, the universal connection mechanism can be set as a universal ball, a shaft sleeve is arranged at the end part of the bracket or the blowing assembly, and the universal ball is rotatably connected into the shaft sleeve, so that 360-degree angle adjustment is realized. In addition, in some embodiments, the blowing assembly includes a blowing portion and a wind guiding portion, the blowing portion is disposed in an end portion of the support, the wind guiding portion is connected to the end portion of the support through the universal connection mechanism, and the blowing portion is communicated into the wind guiding portion through the universal connection mechanism, when the blowing assembly is in operation, air enters the blowing portion from the air inlet, the blowing portion blows the air out of the air outlet through the universal connection mechanism and the wind guiding portion, and the wind guiding portion can achieve 360-degree angle adjustment through the universal connection mechanism.

Drawings

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

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

Fig. 3 is a perspective view of the neck hanging fan of the present invention in another embodiment.

Fig. 4 is an exploded view of the hanging neck type fan in fig. 3.

Fig. 5 is a perspective view of the hanging neck type fan of fig. 3 in a further embodiment.

Fig. 6 is an exploded view of the hanging neck type fan of fig. 5.

Fig. 7 is a sectional view of the muffler type fan of fig. 5.

Fig. 8 is a perspective view of the neck hanging fan of the present invention in another embodiment.

Fig. 9 is an exploded view of the hanging neck type fan of fig. 8.

Fig. 10 is a sectional view of the muffler type fan of fig. 8.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention 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 discloses can be the embodiment that other modes realized. 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. 1-10, the utility model provides a can realize 360 degrees freedom adjustment fan turned angle hang neck formula fan 10, this hang neck formula fan 10 includes support 12 and at least one subassembly of blowing, and support 12 is used for dressing on human neck, and the subassembly of blowing sets up in support 12, and the subassembly of blowing can be connected on the tip of support 12 promptly, also can set up in support 12. The battery, the circuit board, the USB interface, the switch and the display lamp (not shown) are disposed in the bracket 12. The battery may be a rechargeable battery, such as a lithium battery. The battery is electrically connected with the circuit board to supply power to the battery, and the blowing assembly, the USB interface, the switch and the display lamp are electrically connected with the circuit board to ensure that all components can normally operate. In other embodiments, other components may be disposed on the support 12.

Be equipped with universal connection mechanism between support 12 and the subassembly of blowing, universal connection mechanism makes the subassembly of blowing carry out universal free rotation, 360 degrees free rotation promptly relative to support 12. In the illustrated embodiment, the stent 12 is a half-torus structure, with the stent 12 having opposing stent first and

second ends

12a, 12 b. The two blowing assemblies are respectively arranged on the bracket 12 through the universal connection mechanism, for example, the two blowing assemblies are connected to the first end 12a of the bracket and the second end 12b of the bracket.

It will be appreciated that in the illustrated embodiment, the cradle has two ends, with each blower assembly being connected at one end by a universal connection. However, in other embodiments, the bracket may have other shapes, and may have other numbers of ends, for example, the bracket has a circular ring shape, and one end or a plurality of ends extend from the circular ring shape, and correspondingly, the number of the blowing assemblies may be set to be one or more, and each blowing assembly is correspondingly connected to one end. Or the blowing component also can not be connected on the end part of the bracket, and the blowing component can be connected on other positions of the bracket through the universal connecting mechanism, or connected on the end part extending out from other positions of the bracket, and the utility model discloses do not limit to this.

In the illustrated embodiment, the two blowing assemblies have the same structure, and therefore, only the connection between one blowing assembly and the rack 12 will be described below, and the connection between the other blowing assembly and the rack 12 is similar and will not be described again. In other embodiments, the structure of the blowing assembly may be configured differently.

In the embodiment shown in fig. 1-2, the blowing assembly is a fan 14, and the fan 14 includes a ring member 16, a motor, fan blades 18, a grill member 20, and a connecting portion. The fan blades 18 are rotatably arranged in the annular member 16, the number of the grating members 20 is two, each grating member 20 comprises a plurality of arc-shaped grating strips 20a, one ends of the grating strips 20a are connected to the inner wall of the annular member 16, and the two grating members 20 are respectively and fixedly arranged on two sides of the fan blades 18 so as to protect the fan blades 18 and prevent hands from touching the fan blades 18. The motor is arranged on the shaft of the fan blade 18, not shown. The motor is electrically connected to the circuit board, for example, by wires. The connection is provided on the outer side wall of the ring 16.

In this embodiment, the universal connection mechanism includes a first connection rod 22 and a second connection rod 24, the first connection rod 22 and the second connection rod 24 are connected in a cross shape, that is, the first connection rod 22 can be disposed on the side wall of the second connection rod 24 or the end portion, or the second connection rod 24 is disposed through the first connection rod 22, and the first connection rod 22 and the second connection rod 24 are both circular. The first connecting rod 22 has a first end 22a and a second end 22b opposite to each other, and the second connecting rod 24 is disposed through the first end 22b, so that the universal connection mechanism is cross-shaped. The bracket 12 has a circular recess 26 in the end surface of the first bracket end 12a, the first connecting rod end 22a is rotatably connected to the recess 26, and the connecting portion is pivotally connected to the two ends of the second connecting rod 24.

More specifically, a protrusion is disposed on one of the first end 22a of the first connecting rod and the inner wall of the groove 26, and a locking groove 28 is disposed on the other of the first end 22a of the first connecting rod and the inner wall of the groove 26 for engaging with the protrusion. In this embodiment, an annular locking groove 28 is formed on an outer side wall of the first end 22a of the first connecting rod, and a protrusion (not shown) is formed on an inner wall of the groove 26, when the fan is installed, the first end 22a of the first connecting rod is inserted into the groove 26, so that the protrusion is locked into the locking groove 28, and the fan 14 can rotate around an axis of the first connecting rod 22. The connecting portion comprises a first portion 30a and a second portion 30b which are arranged at intervals, shaft holes 32 are respectively arranged on the first portion 30a and the second portion 30b, the two shaft holes 32 are coaxial, and the two shaft holes 32 are respectively sleeved at two ends of the second connecting rod 24, so that the connecting portion and the second connecting rod 24 are in pivot connection, and the fan 14 can rotate by taking the axis of the second connecting rod 24 as the axis. Thus, such a universal connection enables 360 degree freedom of angular adjustment of the fan 14.

The motor is electrically connected to the circuit board, for example, by wires. For example, wire guides are provided in a grid 20a, perforations are provided in the ring 16 and the universal connection, such as in the first connecting rod 22, and the wires from the motor pass through the wire guides and then through the perforations in the ring 16 and the first connecting rod 22 into the housing 12, where the wires are routed along the interior of the housing 12 to the circuit board. In other embodiments, the arrangement of the wires may be in other arrangements.

As shown in fig. 3-7, the blowing assembly in this embodiment is also implemented as a fan 14, and the internal structure of the fan 14 is the same as that in the embodiment shown in fig. 1-2, which is not described again. In this embodiment, the universal connection mechanism is a universal ball 34, the universal ball 34 is disposed on one of the first end 12a of the bracket and the connection portion, and a shaft sleeve 36 for cooperating with the universal ball 34 is disposed on the other of the first end 12a of the bracket and the connection portion, so that the fan 14 can realize 360-degree free angle adjustment.

In the embodiment shown in fig. 3-4, the ball 34 is disposed at the first end 12a of the bracket, the sleeve 36 is disposed on the connecting portion 38, and the ball 34 is rotatably disposed within the sleeve 36. Damping structures may be provided on the inner surface of the sleeve 36 and/or on the outer surface of the gimbaled ball 34 to provide resistance to the fan 14 to maintain the angle after it is adjusted.

In the embodiment shown in fig. 5-7, the ball 34 is disposed on the connecting portion 40, the sleeve 36 is disposed on the first end 12a of the bracket, and the ball 34 is rotatably disposed within the sleeve 36. Damping structures may be provided on the inner surface of the sleeve 36 and/or on the outer surface of the gimbaled ball 34 for providing resistance to maintain the angle of the fan 14 after it is adjusted.

The motor is electrically connected to the circuit board, for example, by the wires 21, and the grid bars 20a, the connecting portion 40 and the universal connecting structure may be respectively provided with through holes, so that the motor is electrically connected to the circuit board. As shown in fig. 7, a wire guide 20b is provided in a grill 20a, perforations are provided in the ring member 16, the connecting portion 40 and the universal ball 34, the wires 21 are passed from the motor through the wire guide 20b and then through the perforations in the ring member 16, the connecting portion 40 and the universal ball 34 into the bracket 12, and the wires 21 are connected to the circuit board along the inside of the bracket 12. In other embodiments, the arrangement of the wires may be in other arrangements.

In the embodiment shown in fig. 8-10, the blowing assembly includes a blowing portion 42 and a wind guiding portion 44, a motor and fan blades are disposed in the blowing portion 42 for blowing air, and the motor is electrically connected to a circuit board 46, for example, a wire 48 extends in the bracket 12 and is connected to the circuit board 46, and the circuit board 46 is electrically connected to a battery 47. The first end 12a of the bracket is provided with a containing cavity 50, the blowing part 42 is arranged in the containing cavity 50, and the sidewall of the first end 12a of the bracket is provided with an air inlet 52 corresponding to the containing cavity 50, wherein the air inlet 52 is, for example, a plurality of air inlet holes. The air guiding portion 44 is connected to the first end 12a of the bracket through a universal connection mechanism, an air guiding channel 54 is arranged in the air guiding portion 44, an air outlet 56 communicated with the air guiding channel 54 is arranged on the air guiding portion 44, and the air outlet 56 is, for example, a plurality of air outlets. The universal connection mechanism is provided with a through hole 58, and the through hole 58 is communicated with the accommodating cavity 50 and the flow guide channel 54. For example, a channel 60 is provided in the first end 12a of the holder, the channel 60 communicating the receiving chamber 50 with the through hole 58. In other embodiments, the air blowing portion may be provided in the air guiding portion.

The wind guiding portion 44 can be adjusted in a 360-degree free angle by the embodiment shown in fig. 1-2 or by the structure of the universal connection mechanism in the embodiment shown in fig. 3-7.

When the wind guiding portion 44 realizes 360 degrees free angle adjustment by the structure of the universal connection mechanism in the embodiment shown in fig. 1-2 (not shown). Universal coupling mechanism includes head rod and second connecting rod, the head rod has opposite head rod first end and head rod second end, the head rod second end is worn to locate by the second connecting rod, the tip of support is equipped with the recess, head rod first end rotationally is connected to in the recess, make wind-guiding portion can use the axis at head rod place to rotate as the axle, be equipped with connecting portion in the wind-guiding portion, connecting portion pivotal connection is to second connecting rod both ends, make wind-guiding portion can use the axis at second connecting rod place to rotate as the axle, the both ends setting that the through-hole runs through the head rod. When the fan operates, air enters the accommodating cavity from the air inlet, the air blowing portion operates to blow air into the through hole through the channel, and the air enters the flow guide channel through the through hole and is blown out from the air outlet.

In this embodiment, the wind guiding portion 44 realizes 360-degree free angle adjustment through the structural form of the universal connection mechanism in the embodiment shown in fig. 5 to 7. Specifically, a connecting portion 62 is provided on one side of the air guiding portion 44, a universal ball 64 is provided on the connecting portion 62, and a boss 66 is provided on an end surface of the bracket first end 12 a. The damping structure is arranged on the inner surface of the shaft sleeve 66 and/or the outer surface of the universal ball 64, and is used for providing resistance so that the air guide part 44 can keep the angle after adjusting the angle. The through hole 58 is disposed through the universal ball 64, and the connecting portion 62 is provided with a through hole 62a, the hole 62a communicating with the through hole 58 and the guide passage 54. In the illustrated embodiment, a joint 68 is disposed between the first end 12a of the bracket and the wind guiding portion 44, the joint 68 is sleeved outside the connecting portion 62, and the joint 68 is made of a flexible material, so that the joint 68 can compress, extend or twist along with the rotation of the wind guiding portion 44.

When the hanging neck type fan 10 operates, air enters the accommodating cavity 50 from the air inlet 52, the air blowing part 42 operates to blow air into the through hole 58 through the channel 60, and the air enters the flow guide channel 54 through the through hole 58 and the hole 62a and is blown out from the air outlet 56.

In other embodiments, the universal ball may also be disposed at the first end of the bracket, and the axle sleeve is disposed on the connecting portion.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The utility model provides a hang neck formula fan, includes support and an at least subassembly that blows, the support is used for wearing on human neck, the subassembly that blows set up in the support, be equipped with battery and circuit board in the support, the battery with the circuit board electricity is connected, the circuit board with the subassembly electricity of blowing is connected, a serial communication port, the support with be equipped with universal coupling mechanism between the subassembly of blowing, universal coupling mechanism makes the subassembly of blowing can be relative the universal free rotation of support, hang neck formula fan still includes the USB interface, the USB interface with the circuit board electricity is connected.

2. The hanging neck fan as claimed in claim 1, wherein the blowing assembly is a fan, the fan includes a ring member, a fan blade and a connecting portion disposed on an outer side wall of the ring member, the fan blade is rotatably disposed in the ring member, the universal connecting mechanism includes a first connecting rod and a second connecting rod, the first connecting rod has a first end and a second end opposite to each other, the second connecting rod is connected to the first connecting rod in a cross shape, a groove is disposed at an end of the bracket, the first end of the first connecting rod is rotatably connected to the groove, and the connecting portion is pivotally connected to two ends of the second connecting rod.

3. The hanging neck fan as claimed in claim 2, wherein a protrusion is provided on one of the first end of the first connecting rod and the inner wall of the groove, and a locking groove engaged with the protrusion is provided on the other of the first end of the first connecting rod and the inner wall of the groove, so that the fan can rotate around the axis of the first connecting rod; the connecting part comprises a first part and a second part which are arranged at intervals, shaft holes are respectively arranged on the first part and the second part, and the two shaft holes are respectively sleeved at two ends of the second connecting rod, so that the fan can rotate by taking the axis where the second connecting rod is located as a shaft.

4. The hanging neck fan as claimed in claim 1, wherein the blowing assembly is a fan, the fan includes a ring member, a fan blade and a connecting portion disposed on an outer side wall of the ring member, the fan blade is rotatably disposed in the ring member, the universal connecting mechanism is a universal ball disposed on one of an end portion of the bracket and the connecting portion, a sleeve for engaging with the universal ball is disposed on the other of the end portion of the bracket and the connecting portion, and a damping structure is disposed on an inner wall of the sleeve and/or an outer wall of the universal ball.

5. The hanging neck fan as claimed in claim 1, wherein the blowing assembly comprises a blowing portion and a wind guiding portion, a receiving cavity is formed in an end portion of the bracket, an air inlet is formed in the bracket corresponding to the receiving cavity, the blowing portion is disposed in the receiving cavity or the wind guiding portion, the wind guiding portion is connected to the end portion of the bracket through the universal connecting mechanism, a flow guiding channel is formed in the wind guiding portion, an air outlet communicated with the flow guiding channel is formed in the wind guiding portion, a through hole is formed in the universal connecting mechanism, and the through hole is communicated with the receiving cavity and the flow guiding channel.

6. The hanging neck fan as claimed in claim 5, wherein the universal connection mechanism is a universal ball, the air guiding portion is provided with a connection portion, the universal ball is disposed on one of the end portion of the bracket and the connection portion, the other of the end portion of the bracket and the connection portion is provided with a shaft sleeve for fitting with the universal ball, the through hole penetrates through the universal ball, a joint is disposed between the end portion of the bracket and the air guiding portion, the joint is sleeved outside the connection portion, and the joint is flexible to compress, extend or twist along with rotation of the air guiding portion.

7. The muffler fan as defined in any one of claims 2-4, wherein the fan includes a grill member for protecting the fan blades, the grill member includes a plurality of grill bars, each of the grill bars has one end connected to the inner wall of the ring member and the other end connected to a motor of the fan, the motor is electrically connected to the circuit board, at least one of the grill bars has a wire guiding structure therein, and the ring member, the connecting portion and the universal connecting mechanism are respectively provided with a through hole, such that the wire is led out of the motor through the wire guiding structure and respectively passes through the through holes of the ring member, the connecting portion and the universal connecting mechanism into the bracket to be connected to the circuit board.

8. The hanging neck fan as claimed in claim 1, wherein the bracket has a first end and a second end opposite to each other, the two blowing assemblies are disposed on the bracket through the universal connection mechanism.

9. The hanging neck fan as claimed in any one of claims 1 or 8, further comprising a switch and a display lamp, both of which are electrically connected to the circuit board.

10. The hanging neck fan as claimed in claim 9, wherein the USB interface, the switch and the display lamp are disposed on the bracket.