CN219139471U - Neck hanging fan capable of reducing air quantity loss - Google Patents

Abstract

The utility model provides a neck hanging fan capable of reducing air quantity loss, which comprises a bracket and a fan arranged in the bracket, wherein an air guide piece is arranged at the periphery of the fan, a first air channel and a second air channel are formed in the bracket, the first air channel is formed between the air guide piece and the side wall of the bracket, the second air channel extends along the length direction of the bracket, an air guide opening is formed on the air guide piece, a wind shielding piece is arranged at the air guide opening, air guided out of the air guide opening is shunted to the first air channel and the second air channel through the wind shielding piece, a first air outlet is formed on the side wall of the first air channel, and a second air outlet is formed on the side wall of the second air channel. The neck hanging fan capable of reducing the air quantity loss can effectively improve the air outlet intensity and the air outlet efficiency, so that the product experience of a user is improved, the practicability is high, and the neck hanging fan is suitable for popularization and application.

Description

Neck hanging fan capable of reducing air quantity loss

Technical Field

The utility model relates to the technical field of fans, in particular to a neck hanging fan capable of reducing air quantity loss.

Background

With the improvement of living standard, air conditioners are widely used in home or office environments to adjust indoor temperature to increase comfort of people. However, the air conditioner is not suitable for open environment such as outdoor, so various portable fans such as hand-held fans, neck-hanging fans, etc. have been developed to provide cool air to help the human body cool. Compared with the hand-held fan which needs to be held by hand, the neck-hanging fan is erected on the neck of a human body as wearable equipment, so that the hands of a user can be liberated, and the hand-held fan is popular with the public.

However, in order to realize multi-position air outlet, the existing neck hanging fan generally adopts direct holes on the side wall of the periphery of the fan to realize air diversion, so that air leakage occurs in the running process of the fan due to incomplete side wall of the periphery of the fan, thereby consuming a part of air quantity, generating extra air quantity loss, leading to the air quantity generated by the fan not fully entering an air channel and then being blown out from an air outlet, reducing the air outlet intensity, the air outlet quantity and the air outlet efficiency, and affecting the product experience of users.

Disclosure of Invention

In view of the above, the present utility model provides a neck-hanging fan capable of effectively solving the above problems and reducing air loss.

The utility model provides a neck hanging fan capable of reducing air quantity loss, which comprises a bracket and a fan arranged in the bracket, wherein an air guide piece is arranged at the periphery of the fan, a first air channel and a second air channel are formed in the bracket, the first air channel is formed between the air guide piece and the side wall of the bracket, the second air channel extends along the length direction of the bracket, an air guide opening is formed on the air guide piece, a wind shielding piece is arranged at the air guide opening, air guided out of the air guide opening is shunted to the first air channel and the second air channel through the wind shielding piece, a first air outlet is formed on the side wall of the first air channel, and a second air outlet is formed on the side wall of the second air channel.

In an embodiment, the wind shielding member has a first end and a second end opposite to each other, the first end is connected to the side wall of the bracket, and the second end is located on the air outlet path of the air guide port.

In one embodiment, the wind guide member is curved in an arc-shaped structure around the fan and has opposite starting and ending ends, the wind guide opening is formed between the starting and ending ends, and one end of the wind shielding member is located between the starting and ending ends in the width direction of the bracket.

In an embodiment, a distance between the wind guide piece and the axis of the fan gradually increases from the start end to the end; and/or the terminal extends a preset distance towards the direction of the second air duct in the bending direction deviating from the air guide piece.

In an embodiment, a wind deflector is connected between the wind deflector and the side wall of the bracket.

In one embodiment, a side wall of the wind shielding member, which is close to one side of the fan, is bent into an arc-shaped structure in a direction away from the fan and forms a part of a side wall of the first air duct.

In an embodiment, a distance between a side wall of the wind shielding member, which is close to one side of the fan, and the wind guiding member is greater than a distance between a side wall of the bracket and the wind guiding member.

In some embodiments, the support includes a second housing and first housings connected to two ends of the second housing, each of the first housings is internally communicated with the second housing, each of the first housings includes a storage portion and a connection portion connected to the storage portion, a storage cavity is formed in each of the storage portions, the neck hanging fan includes two fans, the two fans are respectively disposed in the two storage cavities, the connection portion is connected to one end of the second housing, the wind shielding member is connected to an inner wall of the connection portion, the first air duct is formed in the storage portion and is separated from the storage cavity by the wind shielding member, and the second air duct extends from the inside of the connection portion to the inside of the second housing.

In an embodiment, one side of each containing portion is provided with an air inlet corresponding to the fan, the opposite side of each containing portion is provided with a containing cavity, the neck hanging fan comprises a battery and a circuit board, the battery is arranged in one containing cavity, the circuit board is arranged in the other containing cavity, and the battery and the fan are respectively and electrically connected with the circuit board.

In an embodiment, a surface shell is detachably connected to the opposite side of each storage part, the accommodating cavity is formed in the surface shell, a switch, a display screen and a charging interface are arranged on the surface shell, and the switch, the display screen and the charging interface are respectively and electrically connected with the circuit board.

In summary, the utility model provides a neck hanging fan capable of reducing air quantity loss, the periphery of the fan is additionally provided with an air guide piece, the air guide piece ensures that the air quantity generated by the fan can be fully blown out from an air guide opening, the air guide opening of the air guide piece is provided with a wind shielding piece, the integral integrity of the air guide piece is maintained, the extra air quantity loss is avoided, the wind shielding piece shunts the air led out from the air guide opening, one part of the air is blown out from a first air outlet through a first air duct, and the other part of the air is blown out from a second air outlet through a second air duct, so that the neck hanging fan can realize multi-position efficient air outlet. The neck hanging fan capable of reducing the air quantity loss can effectively improve the air outlet intensity and the air outlet efficiency, so that the product experience of a user is improved, the practicability is high, and the neck hanging fan is suitable for popularization and application.

Drawings

Fig. 1 is a schematic perspective view of a neckline fan according to an embodiment of the utility model.

Fig. 2 is an exploded view of the necktie fan of fig. 1.

Fig. 3 is a perspective view of the neckline fan at another angle.

Fig. 4 is an exploded view of the necktie fan of fig. 3.

Fig. 5 is a partial perspective sectional view of the neck fan.

Fig. 6 is a side sectional view of the neck fan.

Fig. 7 is a schematic perspective view of a neckline fan according to another embodiment of the present utility model.

Fig. 8 is an exploded view of the necktie fan of fig. 7.

Detailed Description

Before the embodiments are explained in detail, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The utility model is capable of other embodiments and of being practiced or of being carried out in various ways. 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 the terms "comprising," "including," "having," and the like are intended to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present utility model is not limited to the number of the element as one, but may include a plurality of the elements.

As shown in fig. 1-8, the present utility model provides a neck hanging fan 10 capable of reducing air loss, which can be worn on the neck of a human body to be carried by the user, and can regulate the temperature of the human body at any time and any place. The neck fan 10 includes a bracket 12 and a fan 14 disposed in the bracket 12.

In the illustrated embodiment, the bracket 12 is generally U-shaped and includes two symmetrically disposed first housings 16 and a second housing 18 connected between the two first housings 16, the two first housings 16 respectively communicating with the interior of the second housing 18. In the present embodiment, the two first housings 16 are symmetrically disposed and have the same internal structure and connection structure with the second housing 18, and only one first housing 16 and the connection structure with the second housing 18 will be described in detail below.

The first housing 16 includes a receiving portion 20 and a connecting portion 22 integrally connected, and the connecting portion 22 is located between the second housing 18 and the receiving portion 20. Optionally, the second housing 18 is of a deformable structure, for example, the second housing 18 is made of a flexible material and is in an arc shape adapted to the radian of the human back neck, so as to increase wearing comfort, and enable the whole support 12 to be elastically deformed by bending the second housing 18, so as to change the usage form of the neck hanging fan 10, and facilitate wearing and removing from the neck of a user. The flexible material is, for example, soft rubber.

The end of the second shell 18 connected with the connecting part 22 is provided with a hard connecting piece 24, and the end of the connecting part 22 connected with the second shell 18 is sleeved on the connecting piece 24 and fixedly connected with the connecting piece 24. Preferably, the outer surface of the connecting portion 22 smoothly transitions with the outer surface of the second housing 18, so that the product is aesthetically pleasing. In the illustrated embodiment, the two are fixed by screws, for example, fixing holes 26 are formed in the connecting portion 22, fixing columns 28 are correspondingly formed in the connecting piece 24, and when the fixing columns 28 are mounted, the fixing columns are clamped into the fixing holes 26 and then connected and fixed by screws.

In the illustrated embodiment, the connecting portion 22 is further provided with a cover member 30 corresponding to the position of the screw, the cover member 30 is covered on the inner side surface of the connecting portion 22, and is fixed, for example, by means of adhesion, fastening, or the like, the position of the cover member 30 corresponding to the screw is provided with a avoiding groove 32, and when the cover member 30 is fixed on the connecting portion 22, the head of the screw extends into the avoiding groove 32 to cover the screw, so that the product is attractive.

Preferably, the cover 30 is provided with a marking portion 30a on an outer surface thereof, the marking portion 30a being used to indicate a direction for a user, so that the user can wear the cover correctly.

In the illustrated embodiment, the first housing 16 includes a first outer housing 16a and a first inner housing 16b that are coupled to each other in a butt-joint manner, and are detachably coupled to each other, for example, by a snap fit, so as to facilitate disassembly and maintenance.

The housing portion 20 has a housing cavity 34, and the fan 14 is disposed in the housing cavity 34, and the fan 14 is, for example, a centrifugal fan. Specifically, a rotating shaft 36 is provided on an inner wall of the first housing 16a, and the fan 14 is mounted on the rotating shaft 36. The periphery of the fan 14 is surrounded by an air guide piece 38, the air guide piece 38 is fixedly connected to the inner wall of the containing part 20, and an air guide opening 40 is formed in the air guide piece 38. A first air duct 42 and a second air duct 44 are formed in the bracket 12, wherein the first air duct 42 is formed between the air guide 38 and a side wall of the first housing 16, and the second air duct 44 extends along a length direction of the bracket 12.

The wind shielding piece 46 is arranged at the wind guide opening 40, wind generated by the operation of the fan 14 is guided out through the wind guide opening 40, and the wind guided out by the wind guide opening 40 is split through the wind shielding piece 46 and flows into the first air duct 42 and the second air duct 44 respectively. A first air outlet 48 is arranged on the side wall of the first air duct 42, and a second air outlet 50 is arranged on the side wall of the second air duct 44, wherein the first air outlet 48 is arranged on the top side wall of the first air duct 42 and is arranged near the joint of the containing part 20 and the connecting part 22, so that the air blown out from the first air outlet 48 can be blown to the face of a human body; the second air outlet 50 includes a plurality of air outlet holes, and a plurality of air outlet holes are distributed on the top lateral wall of the second casing 18 along the length direction of the support 12 for the wind that blows out from the second air outlet 50 can blow human neck region, thereby realizes simultaneously blowing to the different positions of human body and adjusting the temperature, promotes the temperature adjustment experience sense of user.

Optionally, a wind deflector 52 is connected between the wind guiding member 38 and the side wall of the accommodating portion 20, the wind deflector 52 is disposed near one end of the first air outlet 48 away from the connecting portion 22, the wind deflector 52 forms a terminal point of the first air duct 42, so as to shorten the length of the first air duct 42 and avoid reducing the air outlet wind power of the first air outlet 48 due to overlong first air duct 42.

The wind shielding member 46 has a first end 46a and a second end 46b opposite to each other, the first end 46a is fixedly connected to the top sidewall of the connecting portion 22, the first end 46a is located near a side of the first air outlet 48 near the second housing 18, and the second end 46b is located on the air outlet path of the air guiding opening 40 to split the air guided out from the air guiding opening 40.

In the illustrated embodiment, the wind shielding member 46 has a triangular shape with a hollow interior, so that the overall weight of the neck fan 10 can be reduced, the carrying is convenient, and the wind shielding member 46 is curved in an arc shape in a direction away from the fan 14. One side edge of the wind shield 46 forms a first end 46a, and a corner of the wind shield 46 opposite the first end 46a forms a second end 46b. The side edge of the wind shielding member 46 near the fan 14 forms a part of the side wall of the first air duct 42, and the side edge of the wind shielding member 46 near the fan 14 is curved in an arc shape adapted to the curvature of the wind guiding member 38.

In other embodiments, the wind shielding member 46 may have a plate-like structure, that is, the wind shielding member 46 has only one side wall, and this side wall is the side wall of the wind shielding member 46 near the fan 14, and the weight of the neck fan 10 may be further reduced.

Preferably, the distance between the side wall of the wind shielding member 46 near the fan 14 and the wind guiding member 38 is greater than the distance between the side wall of the first housing 16 and the wind guiding member 38, so that the first air outlet 48 can evenly output air.

The wind guide 38 is curved around the fan 14 in an arc structure and has a start end 38a and a finish end 38b, the wind guide 40 is formed between the start end 38a and the finish end 38b, the distance between the wind guide 38 and the axis of the fan 14 increases gradually from the start end 38a to the finish end 38b, the curvature radius of the wind guide 38 increases gradually from the start end 38a to the finish end 38b, and the finish end 38b of the wind guide 38 extends a predetermined distance toward the second air duct 44 away from the curved direction of the wind guide 38.

In the illustrated embodiment, the second end 46a of the wind shield 46 is located outside the wind guide 40, and the second end 46b of the wind shield 46 is located between the start end 38a and the end 38b of the wind guide 38 in the width direction of the first housing 16.

Preferably, the second air duct 44 extends from the air blocking member 46 to the arc corner of the second housing 18, the second air duct 44 on both sides of the second housing 18 is symmetrical to each other, and the plurality of air outlets on the second housing 18 are also symmetrically distributed. Optionally, a baffle is disposed at the arc corner of the second housing 18, and the baffle separates the two second air channels 44, so as to avoid the second air channels 44 from being too long to affect the wind power of the second air outlet 50.

The inner side wall of the accommodating portion 20 is provided with an air inlet 54 corresponding to the fan 14, and the fan 14 is operated to suck air from the air inlet 54 to generate air which is split by the wind shielding member 46 and then blown out from the first air outlet 48 and the second air outlet 50 respectively.

In the illustrated embodiment, the neck fan 10 includes a battery 56 and a circuit board 58, with the fan 14 and battery 56 being electrically connected to the circuit board 58, respectively.

In the embodiment shown in fig. 1 to 6, the accommodating portion 20 is formed with an accommodating chamber 60 in the thickness direction, and the battery 56 and the circuit board 58 are disposed in the accommodating chamber 60. Specifically, the outer sides of the two housing portions 20 in the thickness direction are detachably connected with a face case 62, respectively, the face case 62 is, for example, snap-fitted to the housing portions 20, and the housing chamber 60 is formed in the face case 62. The first air duct 42 is formed inside the receiving portion 20 and is separated from the receiving cavity 34 by a wind shielding member 46, and the second air duct 44 extends from the inside of the connecting portion 22 to the inside of the second housing 18.

The battery 56 is installed in the accommodating cavity 60 of one of the face cases 62, and the circuit board 58 is installed in the accommodating cavity 60 of the other face case 62, so that the whole structure of the neck hanging fan 10 is balanced. The circuit board 58 is provided with a switch 64 and a charging interface 68, the switch 64 is, for example, a micro switch, the panel shell 62 provided with the circuit board 58 is also provided with a display screen 66, the switch 64, the display screen 66 and the charging interface 68 are respectively electrically connected with the circuit board 58, wherein the switch 64 is used for controlling the start, stop, adjustment and the like of the power element of the neck hanging fan 10, the display screen 66 is used for displaying the operation condition of the neck hanging fan 10, and the charging interface 68 can be connected with an external power supply to charge the battery 56. The face shell 62 provided with the circuit board 58 is provided with a button 64a and a socket 68a corresponding to the switch 64 and the charging interface 68, respectively, so that the switch 64 can be triggered by the button 64a and the charging interface 68 can be plugged in through the socket 68 a.

The side wall of the accommodating part 20 corresponding to one side of the accommodating cavity 60 is provided with a threading opening 70, the threading opening 70 is communicated with the accommodating cavity 34 and the accommodating cavity 60, a wire connected with the battery 56 passes through the corresponding threading opening 70 to enter the accommodating cavity 34, passes through the inside of the second shell 18 together with a wire connected with the corresponding fan 14 to enter the accommodating cavity 34 at the other side, and then passes through the corresponding threading opening 70 to be connected to the circuit board 58.

Preferably, the threading opening 70 is covered by a cover plate (not shown), and the cover plate is closed at the threading opening 70 after wiring is completed to fill the gap, so that the air guide 38 maintains integrity, and the air quantity loss is reduced.

The air inlet 54 and the face-piece 62 are disposed on opposite sides of the receptacle 20, respectively, and in some embodiments, the air inlet 54 may also be disposed on an outer sidewall of the receptacle 20, and correspondingly, the face-piece 62 is disposed on an inner sidewall of the receptacle 20.

In the embodiment shown in fig. 7-8, the battery 56 and the circuit board 58 are disposed within the second housing 18. Specifically, a battery mounting portion is provided in the second housing 18, the battery mounting portion is provided in an intermediate position of the second housing 18, and the battery 56 is mounted in the battery mounting portion. The battery mounting portion can seal the battery 56, so that the battery 56 is isolated from the second air duct 44, and when the neck fan 10 is operated, the influence of the heat generated by the battery 56 on the air outlet temperature due to the heat entering the second air duct 44 is avoided, thereby influencing the product experience. The second housing 18 is provided with no air outlet corresponding to the battery mounting portion, so as to cover the battery mounting portion, and prevent the user from seeing the battery mounting portion through the air outlet and affecting the beauty.

The circuit board 58 is provided on an inner surface of a side outer wall of the second housing 18, for example, a plurality of foam 82 is provided on the circuit board 58, and the circuit board 58 is adhered and fixed to an inner wall of the second housing 18 by the foam 82.

The first air duct 42 is formed inside the receiving portion 20 and is separated from the receiving cavity 34 by a wind shielding member 46, and the second air duct 44 extends from the inside of the connecting portion 22 to the inside of the second housing 18.

In this embodiment, the circuit board 58 is provided with a switch 74, a charging interface 76 and an indicator light 78, wherein the switch 74 is, for example, a micro switch, and the switch 74, the charging interface 76 and the indicator light 78 are electrically connected to the circuit board 58. The switch 74 is used for controlling the start, stop, adjustment, etc. of the power element of the neck fan 10, the charging interface 76 can be connected to an external power source to charge the battery 56, and the indicator light 78 is used for displaying the running state of the neck fan 10. The second housing 18 is provided with a button 74a, a socket and an indicator light hole 78a corresponding to the switch 74, the charging interface 76 and the indicator light 78, respectively, so that the switch 64 can be triggered by the button 74a, the charging interface 68 can be plugged in through the socket, and the indicator light 78 can be exposed through the indicator light hole 78a for the user to watch.

The housing cover 80 is detachably connected to the outer side of the housing portion 20 in the thickness direction, the housing cover 80 is in a sheet shape, and the housing cover 80 is, for example, snap-fitted to the housing portion 20, thereby achieving a decorative covering function.

The air inlet 54 and the cover 80 are disposed on opposite sides of the receptacle 20, respectively, and in some embodiments, the air inlet 54 may also be disposed on an outer sidewall of the receptacle 20, and correspondingly, the cover 80 is disposed on an inner sidewall of the receptacle 20.

In summary, the utility model provides a neck hanging fan capable of reducing air quantity loss, the periphery of the fan is additionally provided with an air guide piece, the air guide piece ensures that the air quantity generated by the fan can be fully blown out from an air guide opening, the air guide opening of the air guide piece is provided with a wind shielding piece, the integral integrity of the air guide piece is maintained, the extra air quantity loss is avoided, the wind shielding piece shunts the air led out from the air guide opening, one part of the air is blown out from a first air outlet through a first air duct, and the other part of the air is blown out from a second air outlet through a second air duct, so that the neck hanging fan can realize multi-position efficient air outlet. The neck hanging fan capable of reducing the air quantity loss can effectively improve the air outlet intensity and the air outlet efficiency, so that the product experience of a user is improved, the practicability is high, and the neck hanging fan is suitable for popularization and application.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed are illustrative and not restrictive. The scope of the utility model 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 (10)

1. The utility model provides a but hang neck fan of reduction amount of wind loss, its characterized in that, includes the support and locates fan in the support, the fan periphery is equipped with wind-guiding piece, be formed with first wind channel and second wind channel in the support, first wind channel form in wind-guiding piece with between the lateral wall of support, the second wind channel is followed the length direction of support extends, wind-guiding piece is formed with the wind guide mouth, wind guide mouth department is equipped with the piece of keeping out wind, wind that the wind guide mouth derived is through wind-guiding piece reposition of redundant personnel extremely first wind channel with the second wind channel, be equipped with first air outlet on the lateral wall of first wind channel, be equipped with the second air outlet on the lateral wall of second wind channel.

2. The neck fan of claim 1, wherein the wind shielding member has a first end and a second end opposite to each other, the first end being connected to a side wall of the bracket, and the second end being located in an air outlet path of the air guide opening.

3. The neck fan of claim 1, wherein said wind guide is curved in an arc-shaped configuration around said fan and has opposite starting and ending ends, said wind guide is formed between said starting and ending ends, and one end of said wind shielding member is located between said starting and ending ends in a width direction of said bracket.

4. The neck hanging fan capable of reducing air quantity loss according to claim 3, wherein the distance between the air guide piece and the axis of the fan gradually increases from the starting end to the terminal end; and/or the terminal extends a preset distance towards the direction of the second air duct in the bending direction deviating from the air guide piece.

5. The neck fan capable of reducing air loss according to claim 3, wherein a wind shield is connected between the wind guide and the side wall of the bracket.

6. The neck fan of claim 1, wherein a side wall of the wind shielding member adjacent to the fan is curved in an arc-shaped configuration in a direction away from the fan and forms a part of a side wall of the first air duct.

7. The neck fan of claim 6, wherein the distance between the side wall of the wind shielding member near the fan and the wind guiding member is greater than the distance between the side wall of the bracket and the wind guiding member.

8. The neck fan of any one of claims 1 to 7, wherein the bracket comprises a second housing and first housings connected to both ends of the second housing, the interior of each first housing is communicated with the interior of the second housing, each first housing comprises a receiving portion and a connecting portion connected to the receiving portion, a receiving cavity is formed in each receiving portion, the neck fan comprises two fans, the two fans are respectively arranged in the two receiving cavities, the connecting portion is connected to one end of the second housing, the wind shielding member is connected to the inner wall of the connecting portion, the first air duct is formed in the interior of the receiving portion and separated from the receiving cavity by the wind shielding member, and the second air duct extends from the interior of the connecting portion to the interior of the second housing.

9. The neck hanging fan capable of reducing air quantity loss according to claim 8, wherein one side of each containing part is provided with an air inlet corresponding to the fan, the opposite side of each containing part is provided with a containing cavity, the neck hanging fan comprises a battery and a circuit board, the battery is arranged in one containing cavity, the circuit board is arranged in the other containing cavity, and the battery and the fan are respectively and electrically connected with the circuit board.

10. The neck hanging fan capable of reducing air quantity loss according to claim 9, wherein a face shell is detachably connected to the opposite side of each containing part, the containing cavity is formed in the face shell, a switch, a display screen and a charging interface are arranged on the face shell, and the switch, the display screen and the charging interface are respectively and electrically connected with the circuit board.

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