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CN216518727U - Hang neck fan - Google Patents

Hang neck fan Download PDF

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Publication number
CN216518727U
CN216518727U CN202122131326.6U CN202122131326U CN216518727U CN 216518727 U CN216518727 U CN 216518727U CN 202122131326 U CN202122131326 U CN 202122131326U CN 216518727 U CN216518727 U CN 216518727U
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CN
China
Prior art keywords
air inlet
air
fan
neck
shell
Prior art date
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Active
Application number
CN202122131326.6U
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Chinese (zh)
Inventor
谢佳航
李享福
郑观正
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Shenzhen Jisu Technology Co Ltd
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Shenzhen Jisu Technology Co Ltd
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Application filed by Shenzhen Jisu Technology Co Ltd filed Critical Shenzhen Jisu Technology Co Ltd
Priority to CN202122131326.6U priority Critical patent/CN216518727U/en
Priority to PCT/CN2022/086120 priority patent/WO2022252825A1/en
Priority to GBGB2318502.8A priority patent/GB202318502D0/en
Priority to DE212022000171.0U priority patent/DE212022000171U1/en
Application granted granted Critical
Publication of CN216518727U publication Critical patent/CN216518727U/en
Priority to US18/527,744 priority patent/US20240102488A1/en
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Abstract

The utility model discloses a neck hanging fan which comprises an outer shell, a fan assembly and an inner shell, wherein the outer shell is used for being worn and hung at the neck of a human body and is provided with an air inlet, an air outlet and an air channel formed between the air inlet and the air outlet; the fan assembly is used for leading in external air from the air inlet and leading out the external air from the air outlet through the air duct; the inner shell sets up in the inside of shell, and fan assembly sets up in the inner shell, and inner shell intercommunication air intake and wind channel. The neck hanging fan can supply air and discharge air in a large range, meanwhile, hair is prevented from entering the shell to be twisted, and personal safety is guaranteed.

Description

Hang neck fan
Technical Field
The utility model belongs to the field of fans, and particularly relates to a neck hanging fan.
Background
The existing fan is often provided with hole-shaped structures at the air inlet position, the hairs are extremely easy to enter the fan through the hole-shaped structures, most fan blades rotated by the existing fan are arranged corresponding to the hole-shaped structures, and therefore the hairs entering the hole-shaped structures are easily wound together with the fan blades of the fan, and great safety threats are caused to users of the fan.
Meanwhile, the air inlet position and the range of the existing fan are limited, and the range of air inlet and air outlet cannot be effectively enlarged.
Therefore, how to prevent the fan from twisting and simultaneously enlarge the air inlet and outlet ranges of the fan is a technical problem to be solved by technical personnel in the technical field.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem that the neck hanging fan solves the problems that in the prior art, the fan is prone to twisting, air inlet and outlet positions of the fan are limited, and air inlet and outlet ranges cannot be enlarged.
In order to solve the technical problems, the utility model adopts the technical scheme that the neck hanging fan comprises an outer shell, a fan assembly and an inner shell, wherein the outer shell is used for being worn at the neck of a human body and is provided with an air inlet, an air outlet and an air channel formed between the air inlet and the air outlet; the fan assembly is used for leading in external air from the air inlet and leading out the external air from the air outlet through the air duct; the inner shell sets up in the inside of shell, and fan assembly sets up in the inner shell, and inner shell intercommunication air intake and wind channel.
Preferably, the fan assembly is a turbofan, a first air inlet window and a second air inlet window are arranged on two opposite sides of the turbofan, a first inner air inlet is arranged at a position of the inner shell corresponding to the first air inlet window, and a second inner air inlet is arranged at a position of the inner shell corresponding to the second air inlet window.
Preferably, the outer shell has a chamber that holds that is used for holding the inner shell, and the lateral wall that holds the chamber is formed with at least one air inlet district, and the air intake forms on the air inlet district, and the air intake is linked together with first inside income wind gap and second inside income wind gap.
Preferably, the inner casing includes a first axial casing portion for disposing the first air inlet window, a second axial casing portion for disposing the second air inlet window, and a radial casing portion disposed along a radial direction of a fan rotating shaft of the turbofan, and the at least one air inlet area is disposed opposite to the radial casing portion at an interval, and the at least one air inlet area is away from the first inner air inlet and the second inner air inlet.
Preferably, the housing is adapted to be worn around the neck of a person, the at least one air intake zone comprising an upper air intake zone, a lower air intake zone and/or an end air intake zone.
Preferably, the first air inlet direction is formed when the external air is introduced from the air inlet of the air inlet area, the second air inlet direction is formed when the external air enters the accommodating cavity through the air inlet and then is introduced into the first internal air inlet or the second internal air inlet, and the air inlet included angle between the first air inlet direction and the second air inlet direction is 85-95 degrees.
Preferably, the inner shell further comprises a wind guide portion, the wind guide portion is provided with a wind guide opening, the wind guide opening is communicated with the first inner wind inlet and the second inner wind inlet, and the wind inlet is close to the wind guide portion and is far away from the fan assembly.
Preferably, the edge of the air guide opening is turned outwards and abuts against the inner wall of the shell, and the gap between the edge of the air guide opening and the inner wall of the shell is closed; the aperture of the air guide opening gradually increases towards the direction of the air duct.
Preferably, the combination of the inner shell and the fan assembly is at least three, and is correspondingly arranged at the first end part, the second end part and the connecting part connecting the first end part and the second end part of the outer shell.
Preferably, the number of the air guiding portions is two, and the air guiding directions of the two air guiding portions are opposite.
The utility model has the beneficial effects that: the utility model discloses a neck hanging fan which comprises an outer shell, a fan assembly and an inner shell, wherein the outer shell is used for being worn and hung at the neck of a human body and is provided with an air inlet, an air outlet and an air channel formed between the air inlet and the air outlet; the fan assembly is used for guiding external air in from the air inlet and guiding the external air out from the air outlet through the air duct; the inner shell sets up in the inside of shell, and fan assembly sets up in the inner shell, and inner shell intercommunication air intake and wind channel. The neck hanging fan can supply air and discharge air in a large range, meanwhile, hair is prevented from entering the shell to be twisted, and personal safety is guaranteed.
Drawings
FIG. 1 is a schematic view of a neck hanging fan according to an embodiment of the present invention;
FIG. 2 is an exploded view of the embodiment of FIG. 1;
FIG. 3 is an exploded view of an inner case and a fan assembly of another embodiment of the neck fan of the present invention;
FIG. 4 is a cross-sectional view of an end of the housing of another embodiment of the neck fan of the present invention;
FIG. 5 is a schematic view of an inner casing of another embodiment of the neck hanging fan of the present invention;
FIG. 6 is an internal view of an end of the housing of another embodiment of the neck fan of the present invention;
FIG. 7 is an exploded view of the connection of the inner shell, the fan assembly and the shock absorber in another embodiment of the neck fan of the present invention.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
In the drawings, an arrow X indicates a front-rear direction and also a radial direction, an arrow Y indicates a lateral direction, i.e., a left-right direction, and an arrow Z indicates a vertical direction, i.e., an up-down direction.
With reference to fig. 1, 2 and 3, the neck hanging fan comprises an outer shell 1, a fan assembly 2 and an inner shell 3, wherein the outer shell 1 is used for being worn on the neck of a human body, and the outer shell 1 is provided with an air inlet C1, an air outlet C2 and an air duct C3 formed between an air inlet C1 and an air outlet C2; the fan assembly 2 is used for guiding outside air in from the air inlet C1 and guiding the outside air out from the air outlet C2 through the air duct C3; inner shell 3 sets up in the inside of shell 1, and fan assembly 2 sets up in inner shell 3, inner shell 3 intercommunication air intake C1 and wind channel C3, through setting up inner shell 3, fan assembly 2 has been protected on the one hand, make fan assembly 2 avoid the external world to touch the damage, on the other hand, human hair has still been prevented from getting into and stretching into fan assembly 2 from air intake C1, play the effect that blocks hair entering fan assembly 2 promptly, thereby avoided hair and pivoted flabellum to take place the winding condition, the emergence of the condition of having avoided the hank to send out promptly, guarantee user safety.
Preferably, the fan assembly 2 is a turbofan, two opposite sides of the turbofan are provided with a first air inlet window 21 and a second air inlet window (located on one opposite side of the first air inlet window 21, not shown), two air inlet windows distributed oppositely are arranged to realize double-side air inlet, air inlet volume is increased, stuffy air is not formed, and air noise is reduced, a first internal air inlet K1 is arranged at a position of the inner shell 3 corresponding to the first air inlet window 21, and a second internal air inlet K2 is arranged at a position corresponding to the second air inlet window, so that air enters the first internal air inlet K1 and enters the second internal air inlet K2 respectively and then enters the first air inlet window 21 and the second air inlet window, and then is driven by a fan blade of the turbofan and is blown into the air duct and blown out from the air outlet C2, thereby completing the whole blowing operation, and the setting accelerates the contact speed of the air with the turbofan, so that the blowing operation is more efficient, guaranteed the intake, improved the utilization ratio that the air that gets into in the inner shell 3 bloied the operation fast, this kind of setting has reduced the distance of marcing in the air sends into fan assembly 2 in addition, effectively reduces the noise that the circulation of air produced, effectively reduces wind promptly and makes an uproar.
Preferably, the outer shell 1 has the chamber 11 that holds that is used for holding the inner shell 3, specifically, hold the chamber 11 and set up in the tip of outer shell 1, the lateral wall that holds the chamber 11 is formed with at least one air inlet district, and air intake C1 is formed on the air inlet district, and air intake C1 is linked together with first inside income wind gap K1 and second inside income wind gap K2, guarantees that the air that gets into the outer shell 1 can smooth get into first inside income wind gap K1 and second inside income wind gap K2, and then accomplishes final operation of blowing.
Preferably, the inner casing 3 includes a first axial casing portion 31 for disposing the first air inlet window 21, a second axial casing portion 32 for disposing the second air inlet window, and a radial casing portion 33 disposed along a radial direction of a fan rotating shaft of the turbofan, at least one air inlet region is disposed opposite to the radial casing portion 33 at an interval, and at least one air inlet region is away from the first inner air inlet K1 and the second inner air inlet K2, the arrangement is such that the air inlet C1 of the air inlet region does not directly correspond to the first inner air inlet K1 and the second inner air inlet K2, and it is prevented that hair is directly inserted into the inner casing 3 after being inserted into the air inlet C1, and a situation of hair curling with the fan assembly 2 occurs, and therefore, the arrangement can maximally prevent hair from being inserted into the inner casing 3 and twisted with fan blades, thereby protecting safety of a user, and at the arrangement is such that air inserted from the air inlet C1 position does not completely squeeze into the first inner air inlet K1 and the second inner air inlet K2, because some air inlet areas are far away from the first internal air inlet K1 and the second internal air inlet K2, air can enter the first internal air inlet K1 and the second internal air inlet K2 in a distributed mode, the situation that air enters in an extrusion mode cannot occur, the situation that air is extruded is avoided, and air noise is reduced.
Preferably, as shown in fig. 4, when the housing 1 is used to be worn around the neck of a human body, the at least one air inlet region includes an upper air inlet region 111, a lower air inlet region 112 and/or an end air inlet region 113, the upper air inlet region 111 cooperates with the lower air inlet region 112 or the end air inlet region 113 to increase the air inlet volume, the lower air inlet region 112 and the end air inlet region 113 are disposed such that the opening of the inlet air is far away from the user, the generated noise can be transmitted to the far distance to achieve a good noise reduction effect, and the lower air inlet region 112 and the end air inlet region 113 are also disposed such that the user can not suck hair into the fan blades of the fan assembly 2 to form a hair curling phenomenon when wearing the neck fan, thereby ensuring the safety of the user. In other words, in a preferred embodiment, only the lower air inlet area 112 may be provided, and since the opening of the lower air inlet area 112 faces downward, it is possible to prevent hair or other foreign objects from falling into such air inlet openings due to gravity when in use; of course, only the end air inlet area 113 may be provided, and since the opening of the end air inlet area 113 faces to the side far away from the human body, the noise generated by the fan and the wind beating the air duct can be transmitted from the opening of the end air inlet area 113 and spread in the direction far away from the user, so that the noise can be effectively reduced; of course, a combination of the lower air inlet area 112 and the end air inlet area 113 can also be arranged to ensure that the air inlet volume can be adapted to any high-power fan to provide enough air inlet channels and air volume; of course, any combination of the upper air intake area 111, the lower air intake area 112 and the end air intake area 113 can be used to meet different application scenarios.
Preferably, a first air inlet direction is formed when external air is introduced from the air inlet C1 of the air inlet area, a second air inlet direction is formed when the external air enters the accommodating chamber 11 through the air inlet C1 and is introduced into the first internal air inlet K1 or the second internal air inlet K2, an air inlet included angle between the first air inlet direction and the second air inlet direction is 85 degrees to 95 degrees, and more preferably, the air inlet included angle between the first air inlet direction and the second air inlet direction is 90 degrees. This kind of setting makes outside air and fan assembly 2 contact and the cooperation accomplish the operation of blowing need have twice different air inlet directions, and this twice air inlet direction is nearly perpendicular, this kind of setting form makes the hair even get into shell 1 along first air inlet direction on the one hand, can not continue to get into inner shell 3 along second air inlet direction yet, can not take place the hank with the contact of fan assembly 2 more and send out, the hank has been avoided promptly sending out, on the other hand, first air inlet direction and second air inlet direction are nearly perpendicular, also make fan assembly 2's flabellum sheltered from, external dust can not get into fan assembly 2 with sewage easily, fine protection fan assembly 2.
Preferably, with reference to fig. 3 and 4, the inner casing 3 further includes a wind guiding portion 34, the wind guiding portion 34 is provided with a wind guiding opening 341, the wind guiding opening 341 is communicated with the first internal wind inlet K1 and the second internal wind inlet K2, in this embodiment, the wind inlet C1 is disposed adjacent to the wind guiding portion 34 and is far away from the fan assembly 2, specifically, the rear side wind inlet region 114 in fig. 4 is shown in the drawing, the wind inlet C1 is disposed in the rear side wind inlet region 114, the arrangement form of the wind inlet C1 in this embodiment increases the wind inlet amount, and increases the wind inlet range, so that the air entering the outer casing 1 is distributed more uniformly, thereby avoiding the occurrence of a wind squeezing condition and reducing wind noise.
Preferably, with reference to fig. 1 to 4, the edge 3411 of the air guiding opening 341 is turned outwards and abuts against the inner wall of the housing 1, so as to seal the gap between the edge 3411 of the air guiding opening 341 and the inner wall of the housing 1, and this arrangement prevents the air coming out of the air guiding opening 341 from flowing into the gap between the edge 3411 of the air guiding opening 341 and the inner wall of the housing 1, rather than flowing along the air duct C3, so as to prevent the air from flowing around to form wind noise, thereby achieving the effect of reducing wind noise, and on the other hand, ensuring that the air coming out of the air guiding opening 341 can completely flow along the air duct C3, ensuring the total amount of air required by the blowing operation, and improving the air supply efficiency.
Preferably, the aperture of the air guide opening 341 gradually increases towards the air duct C3, the aperture increases to gradually disperse the air to avoid squeezing the air, thereby reducing the wind noise, and simultaneously increasing the air supply aperture, so that the amount of air entering the air duct C3 increases, the amount of external air is also increased, and the air blowing experience of the user is improved.
Preferably, the combination of the inner casing 3 and the fan assembly 2 is at least three, and the connecting parts are correspondingly arranged at the first end part and the second end part of the outer casing 1 and are connected between the first end part and the second end part, the connecting parts are positioned at the middle position of the outer casing 1, the plurality of fan assemblies 2 and the inner casing 3 are arranged, the blowing range can be enlarged, and the blowing experience of a user is improved.
Preferably, as shown in fig. 5, there are two air guiding portions 34, and the air guiding directions of the two air guiding portions 34 are opposite, specifically, the air guiding directions of the air guiding openings 341 of the two air guiding portions 34 are opposite. For example, in the embodiment where the wind guiding portion 34 is two, the corresponding fan assembly 2 may be disposed on the connecting portion connecting the first end portion and the second end portion, so that the air can be simultaneously blown to the first end portion and the second end portion by one fan assembly 2. Of course, the fan assembly 2 may be disposed at the first end portion or the second end portion, and correspondingly, the fan assembly may be disposed at a middle position of the first end portion to blow air to both ends of the first end portion.
Preferably, the inboard intermediate position of shell 1 is provided with the laminating portion 4 that is used for conveniently laminating human neck, sets up that laminating portion 4 can be better let the human neck of laminating of shell 1, lets on the one hand to join in marriage to hang the experience better, and on the other hand also lets shell 1 and human neck laminating inseparabler for this hang the difficult drop of neck fan.
Preferably, laminating portion 4 includes two laminating pads 41, and the shape of laminating pad 41 is the arc with the crooked shape looks adaptation of human neck, and the human neck of laminating that the arc can be better strengthens fastness and the stability that should hang the neck fan and join in marriage the string.
Preferably, be connected through elastic moving part between laminating pad 41 and the shell 1, through setting up elastic moving part, can turn to adaptability adjustment laminating pad 41 when the activity at human motion or human neck, make laminating pad 41 laminate throughout and live human neck, strengthen this string of neck fan and the laminating compactness of neck, should hang the neck fan and drop when avoiding human activity, this kind of setting also makes human laminating portion 4 can not chuck people's neck when the motion activity simultaneously, played fine protecting effect.
Preferably, elastic moving part is spring and/or elastic ball, the spring has fine buffering effect, can let laminating pad 41 developments follow human neck, elastic ball then has better roll slip characteristic, let laminating pad 41 have the slip effect on the short distance, be difficult for more paining human neck, the elastic characteristic that elastic ball has is gone up in the reunion simultaneously, can be better let laminating pad 41 developments follow human neck and carry out the adaptability elastic sliding under the micro-distance, both prevent to hang the neck fan and break away from the neck, the combination compactness of neck fan and neck is hung in the guarantee, avoid laminating pad 41 to chuck the neck again, the user is improved and is experienced this use of hanging the neck fan.
Preferably, conformable pad 41 is a soft and/or elastic material that avoids snagging on the neck while imparting cushioning to the relative motion of the neck and conformable pad 41.
Preferably, the fan assembly 2 includes a fan wheel and a motor for driving the fan wheel to rotate, and the rotating speed of the fan wheel is controlled and adjusted by adjusting the rotating speed of the motor, so as to adjust the intensity of the blowing operation and the blowing amount.
Preferably, the housing 1 has an arc-shaped tubular structure adapted to the shape of the neck of a human body, and electronic components, such as a circuit board, a battery, various modules, and the like, may be disposed in the tubular structure.
Preferably, air outlet C2 sets up the inboard and/or the upper surface at shell 1, in practical application, this kind of setting of air outlet C2 can directly aim at skin and blow when the neck fan is joined in marriage to hang at the neck, shell 1's inboard is just facing neck skin, the maximize improves user's experience of blowing, and shell 1's upper surface is the neck top that corresponds the human body, cheek and head, this kind of setting of air outlet C2 can be fine blow the position of above-mentioned human body, on a large scale the operation of blowing, improve user's experience of blowing.
Preferably, at least one inner shell 3 sets up the tip at outer shell 1, and inner shell 3 sets up the weight that can aggravate outer shell 1 tip at outer shell 1's tip, when should hanging the neck fan in actual joining in marriage, if the weight of the tip of suitable increase outer shell 1, the whole focus that makes the neck fan of can being fine shifts forward, be about to should hang the neck fan steadily and hang in the antethorax position of human body, avoided the condition that should hang the neck fan and drop from the neck rear, this kind of setting has strengthened the human body and has joined in marriage when hanging the neck fan and hang stability promptly.
Preferably, a battery 5 is arranged in the middle of the inside of the casing 1, a switch button 13 is arranged on the casing 1, the battery can supply power to the fan assembly 2, and the switch button 13 controls the fan assembly to be turned on and off.
Referring to fig. 6 and 7 again, in another embodiment, the neck hanging fan includes an outer shell 1, a fan assembly 2, an inner shell 3 and a shock absorbing body 6, the outer shell 1 is used for being worn on the neck of a human body, the outer shell 1 is provided with an air inlet C1, an air outlet C2 and an air duct C3, and the air duct C3 is used for air circulation; the fan assembly 2 is used for guiding outside air from the air inlet C1, entering the air duct C3 and being guided out through the air outlet C2; the inner shell 3 is arranged inside the outer shell 1, the fan assembly 2 is arranged in the inner shell 3, and the inner shell 3 is communicated with the air inlet C1 and the air duct C3; the body 6 that moves away to avoid possible earthquakes sets up in the inside of shell 1, and connect inner shell 3 and shell 1, be used for the shock attenuation, this embodiment and the difference of above-mentioned embodiment lie in the body 6 that moves away to avoid possible earthquakes, through setting up the body 6 that moves away to avoid possible earthquakes, isolated inner shell 3 and the direct rigid contact of shell 1, avoided direct touching between the two, avoided vibrations to conduct the human body promptly, promote user use experience, simultaneously because the two is not direct contact, fundamentally has stopped the wearing and tearing loss between the two, the life of shell 1 and inner shell 3 has been prolonged.
Preferably, the inner shell 3 is provided with a clamping portion 35 for clamping the shock absorbing body 6, the shock absorbing body 6 is connected with the outer shell 1 through a connecting piece 7, on one hand, the clamping portion 35 fixes the firm shock absorbing body 6, on the other hand, the clamping portion clamps the shock absorbing body 6, so the shock absorbing body is detachable and not integrally connected, and the shock absorbing body 6 which is damaged or excessively worn can be conveniently replaced in time.
Preferably, the shock absorbing body 6 is provided with a connecting hole 61 for inserting the connecting member 7, and one end of the connecting member 7 is connected to the inner wall of the housing 1, so as to ensure that the connecting member 7 can firmly fix the shock absorbing body 6.
Preferably, the shock absorbing body 6 is a cylindrical elastic body, which is conveniently and firmly clamped by the clamping portion 35, and the connecting member 7 is a rod, which is conveniently inserted into the shock absorbing body 6.
Preferably, the shock absorbing body 6 is made of silica gel, has moderate hardness, reduces shock and has good shock absorbing effect.
Preferably, the clamping portion 35 includes the first clamping arm 351 and the second clamping arm 352 that gradually draw close to each other, and the first clamping arm 351 and the second clamping arm 352 set up on the surface of the inner shell 3, and the clamping strength can be gradually enhanced by the clamping arms that gradually draw close to each other, so as to ensure the firm clamping of the clamping portion 35 to the shock absorbing body 6 and avoid the shock absorbing body 6 to break away from the clamping portion 35.
Preferably, the tip of shell 1 has the chamber 11 that holds that is used for holding inner shell 3, it is the ellipsoid type to hold chamber 11, a plurality of air intakes C1 set up the radial surface who holds chamber 11, air intake C1 sets up and can avoid corresponding with the first inside income wind gap K1 and the inside income wind gap K2 of second of inner shell 3 at the radial surface who holds chamber 11, thereby avoid the hair to directly get into first inside income wind gap K1 and the inside income wind gap K2 of second again and contact with fan assembly 2 after getting into from air intake C1, with this emergence of taking place the hank condition, this kind of setting has avoided the emergence of the hank condition, guarantee user's safety in utilization.
Preferably, the radial surface of the accommodating chamber 11 has an air inlet area, the air inlet C1 is disposed in the air inlet area, the air inlet area includes a first air inlet area 115, a second air inlet area 116, a third air inlet area 117 and a fourth air inlet area 118, the first air inlet area 115 is disposed below the front side of the accommodating chamber 11, the second air inlet area 116 is disposed at the front side of the accommodating chamber 11, the third air inlet area 117 is disposed at the lower side of the accommodating chamber 11, the fourth air inlet area 118 is disposed at the upper side of the accommodating chamber 11, the air inlet areas cooperate with each other to increase the air inlet amount, increase the air blowing amount and improve the air blowing experience of the user, the first air inlet area 115 and the second air inlet area 116 are disposed such that the air inlet opening is far away from the user, the generated noise can be transmitted to a far away, and a good noise reduction effect is achieved, the positions of the first air inlet area 115, the second air inlet area 116 and the third air inlet area 117 are also configured such that the user can not suck the hanging neck of the hanging fan into the fan blades of the fan assembly 2 to form a curling phenomenon, the use safety of the user is ensured.
Preferably, the inner shell 3 has an accommodating portion 36 and an air guiding portion 34 which are communicated with each other, the accommodating portion 36 is used for accommodating the fan assembly 2, the accommodating portion 36 is provided with an air inlet window for air to enter, the structure is similar to that of the first internal air inlet K1 and the second internal air inlet K2, and details are not repeated here, the air guiding portion 34 is provided with an air guiding opening 341, the air guiding opening 341 extends and faces the air duct C3, the accommodating portion 36 on one hand protects the fan assembly 2 from being attacked by external rainwater or dust, on the other hand, prevents hair entering from the air inlet C1 position from further entering the inner shell 3, thereby avoiding the hair from contacting the fan assembly 2 and causing a twisting situation, and ensuring user safety.
Preferably, the edge of the air guiding opening 341 is turned outwards and extends to the inner wall of the housing 1 for closing the gap between the edge of the air guiding opening 341 and the inner wall of the housing 1, and the technical effects are as described above and will not be described herein again.
Based on the above embodiment, the utility model discloses a neck hanging fan, which comprises an outer shell, a fan assembly and an inner shell, wherein the outer shell is used for being worn on the neck of a human body and is provided with an air inlet, an air outlet and an air channel formed between the air inlet and the air outlet; the fan assembly is used for leading in external air from the air inlet and leading out the external air from the air outlet through the air duct; the inner shell sets up in the inside of shell, and fan assembly sets up in the inner shell, and inner shell intercommunication air intake and wind channel. The neck hanging fan can supply air and discharge air in a large range, meanwhile, hair is prevented from entering the shell to be twisted, and personal safety is guaranteed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A neck hanging fan is characterized by comprising:
the shell is used for being worn at the neck of a human body and is provided with an air inlet, an air outlet and an air channel formed between the air inlet and the air outlet;
the fan assembly is used for guiding external air in from the air inlet and guiding the external air out from the air outlet through the air duct;
the inner shell, set up in the inside of shell, just fan assembly set up in the inner shell, the inner shell intercommunication the air intake with the wind channel.
2. The neck fan as claimed in claim 1, wherein the fan assembly is a turbofan, the turbofan has a first air inlet window and a second air inlet window on opposite sides thereof, and the inner shell has a first inner air inlet corresponding to the first air inlet window and a second inner air inlet corresponding to the second air inlet window.
3. The neck fan as claimed in claim 2, wherein the outer housing has a receiving cavity for receiving the inner housing, at least one air inlet area is formed on a sidewall of the receiving cavity, the air inlet is formed on the air inlet area, and the air inlet is communicated with the first and second inner air inlets.
4. The neck fan of claim 3, wherein the inner housing includes a first axial housing portion for disposing the first air inlet window, a second axial housing portion for disposing the second air inlet window, and a radial housing portion disposed radially of a fan shaft of the turbofan, the at least one air inlet region being spaced opposite the radial housing portion and being distal from the first interior air inlet and the second interior air inlet.
5. The neck fan of claim 4 wherein the at least one air intake zone comprises an upper air intake zone, a lower air intake zone, and/or an end air intake zone when the housing is worn around the neck of a person.
6. The neck fan as claimed in claim 5, wherein a first air inlet direction is formed when external air is introduced from the air inlet of the air inlet region, a second air inlet direction is formed when external air enters the accommodating chamber through the air inlet and is introduced into the first internal air inlet or the second internal air inlet, and an air inlet included angle between the first air inlet direction and the second air inlet direction is between 85 ° and 95 °.
7. The neck hanging fan as claimed in claim 2 or 3, wherein the inner shell further comprises a wind guide portion, the wind guide portion is provided with a wind guide opening, the wind guide opening is communicated with the first inner wind inlet and the second inner wind inlet, and the wind inlet is adjacent to the wind guide portion and is far away from the fan assembly.
8. The hanging neck fan as claimed in claim 7, wherein the edge of the air guide opening is turned outwards and abuts against the inner wall of the shell for closing a gap between the edge of the air guide opening and the inner wall of the shell; the aperture of the air guide opening gradually increases towards the direction of the air duct.
9. The neck fan as claimed in any one of claims 1 to 6, wherein the number of the combination of the inner case and the fan assembly is at least three, and the combination is disposed at a first end portion, a second end portion and a connecting portion connecting the first end portion and the second end portion of the outer case.
10. The neck hanging fan as claimed in claim 7, wherein the number of the wind guiding portions is two, and the wind guiding directions of the two wind guiding portions are opposite.
CN202122131326.6U 2021-06-04 2021-09-03 Hang neck fan Active CN216518727U (en)

Priority Applications (5)

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CN202122131326.6U CN216518727U (en) 2021-09-03 2021-09-03 Hang neck fan
PCT/CN2022/086120 WO2022252825A1 (en) 2021-06-04 2022-04-11 Hanging neck fan
GBGB2318502.8A GB202318502D0 (en) 2021-06-04 2022-04-11 Hanging neck fan
DE212022000171.0U DE212022000171U1 (en) 2021-06-04 2022-04-11 Neck fan
US18/527,744 US20240102488A1 (en) 2021-06-04 2023-12-04 Neck fan

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CN202122131326.6U CN216518727U (en) 2021-09-03 2021-09-03 Hang neck fan

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CN216518727U true CN216518727U (en) 2022-05-13

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