CN215927841U - Hanging neck type fan and fan device for hanging neck type fan - Google Patents

Abstract

The embodiment of the application provides a hanging neck type fan and a fan device thereof, and the hanging neck type fan comprises an arc-shaped shell and a fan assembly, wherein the shell comprises a first shell and a second shell, at least one of the first shell and the second shell comprises a first part, a second part and a third part, the first part is provided with a first accommodating cavity and a first air outlet communicated with the first accommodating cavity, the second part is provided with a second accommodating cavity and a second air outlet communicated with the second accommodating cavity, the third part is provided with a third accommodating cavity communicated between the first accommodating cavity and the second accommodating cavity, and at least one of the first shell and the second shell is also provided with an air inlet communicated with at least one of the first accommodating cavity, the second accommodating cavity and the third accommodating cavity; the fan assembly is at least partially located in the third accommodating cavity and used for guiding the wind from the wind inlet to the first wind outlet and the second wind outlet respectively to blow out.

Description

Hanging neck type fan and fan device for hanging neck type fan

Technical Field

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

Background

In recent years, people are pursuing more convenient life, and various portable fans such as neck-hung fans appear on the market in order to meet the requirement that practical fans are needed for outdoor activities or other life scenes. The activity limitation that handheld fan brought has been solved in appearance of hanging neck formula fan, no matter be sports, outdoor activities or use scenes such as office, hang neck formula fan can all liberate user's both hands, need not handheld effect that can realize anytime and anywhere bloies.

In the existing neck hanging fan, a fan assembly with two exposed fan blades arranged at two ends of a neck hanging piece is generally arranged, the fan assembly is low in safety and easy to be involved in hair and the like, and the problems of uncomfortable air outlet and the like caused by too concentrated air outlet exist, so that the problem needs to be improved.

In addition, as shown in fig. 1, among a correlation technique, two free ends of hanging neck formula fan are generally for just being human face, are the important region for human face cooling, however, two free ends do not design the exhaust vent, and form two calm areas E, because the existence in calm area E, prior art can only blow the position at chin group, ear and the back of the ear rear portion of people's face, and can't cover the position of blowing to the mouth nose mouth, lead to the cooling effect not good, seriously influence user's use experience.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a neck hanging fan and a fan device for the same, which have high safety, comfortable air outlet, and good cooling effect and use experience.

The embodiment of the utility model provides a neck hanging fan which comprises an arc-shaped shell and a fan assembly, wherein the shell comprises a first shell and a second shell, the first shell and the second shell are oppositely arranged and are respectively arranged at two opposite sides of the neck of a human body, at least one of the first shell and the second shell comprises a first part, a second part and a third part, the third part is connected between the first part and the second part, the first part is provided with a first containing cavity and a first air outlet communicated with the first containing cavity, the second part is provided with a second containing cavity and a second air outlet communicated with the second containing cavity, the third part is provided with a third containing cavity communicated between the first containing cavity and the second containing cavity, and at least one of the first shell and the second shell is further provided with a first containing cavity and a second containing cavity, At least one air inlet communicated with the second accommodating cavity and the third accommodating cavity; the fan assembly is at least partially located in the third accommodating cavity and used for guiding the wind from the wind inlet to the first wind outlet and the second wind outlet respectively to blow out.

Compared with the prior art, in the hanging neck type fan in the above embodiment, the fan assembly is at least partially disposed in the third accommodating cavity, and the air from the air inlet is respectively guided to the first air outlet of the first portion and the second air outlet of the second portion and blown out from the first air outlet and the second air outlet, so that the air outlet amount is increased, the air outlet efficiency is improved, the purpose of rapid cooling can be achieved, and the user experience is better, in addition, the fan assembly is at least partially disposed in the third accommodating cavity, the air from the fan assembly can be blown out from the first air outlet and the second air outlet on both sides, the air outlet of the fan assembly can be effectively utilized, the problem of reduction of air efficiency caused by that a large amount of air outlet directly faces the end housing is avoided, and further, noise is reduced, air volume loss is reduced, and the air outlet efficiency is improved, in addition, foreign matter such as hair is not easily caught in the fan assembly, and safety and convenience in use can be improved. In addition, fan unit is located two between the air outlet, also can avoid the free end to be the cooling effect that the calm zone leads to not good, use experience not good scheduling problem.

Further, in some embodiments, the third portion includes a no-wind area located between the first air outlet and the second air outlet and corresponding to the position of the fan assembly, the no-wind area is not designed with an air outlet, and the no-wind area corresponds to the fan assembly, so that the air outlet of the fan assembly can be distributed at the air outlets on both sides, which not only improves the air efficiency, but also makes the air outlet softer and more comfortable. In addition, the design in calm zone can also avoid the air-out to directly blow the discomfort that facial portion leads to, separates the air outlet of both sides through calm zone, also can make the air-out dispersion in both sides, avoids everywhere to face the facial air-out amount of wind all higher and dry for a long time the condition emergence that probably leads to user's facial paralysis, improves hang the safety in utilization of neck formula fan.

Further, in some embodiments, the first housing portion and the second housing portion each include the first portion, the second portion and the third portion, the fan assemblies include two, one of the fan assemblies is located in the third receiving cavity of the first housing portion, and is used for guiding the wind from the wind inlet of the first housing portion to the first wind outlet of the first housing portion and the second wind outlet of the first housing portion to blow out respectively; the other fan assembly is located in the third accommodating cavity of the second housing portion and used for guiding the air from the air inlet of the second housing portion to the first air outlet of the second housing portion and the second air outlet of the second housing portion respectively to blow out. Through first casing portion with second casing portion all sets up the first part the second part with the third part, and be in respectively set up one in the third part fan unit will simultaneously first casing portion the wind of air intake guides respectively to first casing portion first air outlet and first casing portion the second air outlet with second casing portion the wind of air intake guides respectively to second casing portion first air outlet and second air outlet blows out, has improved air input and air output, has reached rapid cooling's purpose, and symmetry and human neck both sides air-out, and human comfort level is higher.

Further, in some embodiments, the fan assembly includes a turbo fan including a fan shaft and a plurality of turbine blades annularly disposed about the fan shaft. Through inciting somebody to action fan unit sets up to turbine fan can effectively reduce hang the work noise of neck formula fan, improve simultaneously hang the air-out efficiency of neck formula fan.

Further, in some embodiments, the plurality of turbine blades includes a first end face and a second end face aligned in an extending direction of the fan shaft; the gap between the first end face and the shell is in the range of 1 mm to 6 mm and/or the gap between the second end face and the shell is in the range of 1 mm to 6 mm, the diameter of the turbofan is in the range of 35 mm to 45 mm, and the thickness of the turbofan in the direction of the fan shaft is in the range of 10 mm to 25 mm. The air outlet efficiency of the fan assembly can be improved by matching the three parameters, namely, the gap between the first end face and the shell is in the range of 1-6 mm and/or the gap between the second end face and the shell is in the range of 1-6 mm, the diameter of the turbofan is in the range of 35-45 mm, the thickness of the turbofan in the direction of the fan shaft is in the range of 10-25 mm.

Further, in some embodiments, the first portion, the second portion, and the third portion each include a first inner side panel for adjacent a neck of a person, a first outer side panel disposed opposite the first inner side panel, a first connecting panel connected between the first inner side panel and the second inner side panel and for adjacent a head of a person, a second connecting panel disposed opposite the first connecting panel, the first portion further including a first end panel connected between the first inner side panel, the first outer side panel, the first connecting panel, and the second connecting panel; the air inlet is at least arranged on one of the first inner side plate of the third part and the first outer side plate of the third part, the first air outlet is arranged on the first inner side plate of the first part, and the second air outlet is arranged on the first inner side plate of the second part; the first end surface corresponds to the first inner side plate of the third portion and the second end surface corresponds to the first outer side plate of the third portion; the fan shaft extends in a direction from the first inner side plate to the first outer side plate. The air inlet is at least arranged on one of the first inner side plate of the third portion and the first outer side plate of the third portion, the first air outlet is arranged on the first inner side plate of the first portion, the second air outlet is arranged on the first inner side plate of the second portion, the fan assembly can be located between the first air outlet and the second air outlet, the fan assembly can blow air from the air inlet to the first air outlet and the second air outlet from two sides, air outlet of the first air outlet and air outlet of the second air outlet are not affected with each other, loss in an air outlet process is reduced, and air outlet efficiency of the hanging neck type fan is improved.

Further, in some embodiments, the air intakes are respectively disposed on the first inner side plate of the third portion and the first outer side plate of the third portion; the first inner side plate of the third part comprises a first main body part with a first opening and a first cover plate arranged at the first opening, and the air inlet comprises a plurality of first air inlet holes arranged on the first cover plate; the first opening and the first cover plate are both circular, and the first air inlet holes are uniformly distributed on the first cover plate; the first outer side plate of the third part comprises a second main body part with a second opening and a second cover plate arranged at the second opening, and the air inlet comprises a plurality of second air inlet holes arranged on the second cover plate; the second opening and the second cover plate are both circular, and the plurality of second air inlet holes are uniformly distributed on the second cover plate. Through setting up first opening with first cover plate is circular, the second opening with the second cover plate is circular, makes first opening with the second opening with fan assembly turbo fan matches more, simultaneously, and is a plurality of first fresh air inlet evenly distributed is in on the first cover plate, it is a plurality of second fresh air inlet evenly distributed is in on the second cover plate, make turbo fan's air-out is more smooth and easy, even, is favorable to promoting hang the air-out efficiency of neck formula fan.

Further, in some embodiments, the hanging neck type fan further includes a first partition portion at least partially located in the third receiving cavity and covering the fan assembly on a side adjacent to the human face and the second portion, a second partition portion covering the periphery of the fan assembly and facing the first partition portion, a first air guiding portion connecting the second partition portion and located in the first receiving cavity, and a second air guiding portion located in the second receiving cavity, where the first air guiding portion divides the first receiving cavity into a first receiving space and a first air duct communicated with the first air outlet of the first portion, and the second air guiding portion divides the second receiving cavity into a second receiving space and a second air duct communicated with the second air outlet of the second portion. Through the arrangement of the first partition plate portion, the second partition plate portion, the first air guide portion and the second air guide portion, a first air channel communicated with the first air outlet of the first portion and a second air channel communicated with the second air outlet of the second portion can be divided by the first accommodating cavity, and the first air channel and the second air channel respectively guide the air outlet of the fan assembly to the first air outlet and the second air outlet, so that loss in the air outlet process is reduced, the air outlet is more accurate, and the air outlet efficiency is improved.

Further, in some embodiments, the hanging neck type fan further includes a first partition portion at least partially located in the third receiving cavity and covering the fan assembly adjacent to the human face and the first portion, a second partition portion covering the periphery of the fan assembly and facing the first partition portion, a first air guiding portion located in the first receiving cavity, and a second air guiding portion located in the second receiving cavity and connected to the second partition portion, where the first air guiding portion divides the first receiving cavity into a first receiving space and a first air channel communicated with the first air outlet of the first portion, and the second air guiding portion divides the second receiving cavity into a second receiving space and a second air channel communicated with the second air outlet of the second portion.

Further, in some embodiments, the hanging neck fan includes a first auxiliary air deflector and a second auxiliary air deflector, and the first auxiliary air deflector is used for dividing the first air duct into a first sub-air duct communicated with a part of the first air outlet of the first portion and a second sub-air duct communicated with the other part of the first air outlet of the first portion; the second auxiliary air deflector is used for dividing the second air duct into a third sub-air duct communicated with one part of the air outlet of the second part and a fourth sub-air duct communicated with the other part of the air outlet of the second part. The first air duct is divided into the first sub air duct and the second sub air duct by the first auxiliary air deflector, and the second air duct is divided into the third sub air duct and the fourth sub air duct by the second auxiliary air deflector, so that air outlet of the first air outlet and the second air outlet is more uniform, loss in the air outlet process is reduced, air outlet is more accurate, and air outlet efficiency is improved.

Further, in some embodiments, the hanging neck type fan further includes an electric control assembly, the electric control assembly includes at least one of a battery, a circuit board and a control key, and at least a portion of the electric control assembly is located in the first receiving space or the second receiving space. Through automatically controlled subassembly does hang the power supply of neck formula fan, makes hang neck formula fan portable use, simultaneously, at least part of automatically controlled subassembly is located first accomodate the space or the space is accomodate to the second, has improved hang the security of neck formula fan.

Further, in some embodiments, the arcuate housing further comprises a connector connected between the first housing portion and the second housing portion; the connecting piece is a flexible connecting piece which can be manually bent and shaped. Connect in through the setting in first casing portion with between the second casing portion the connecting piece, just the connecting piece makes for the flexible connection spare that can manually buckle and stereotype hang neck formula fan and wear more comfortablely, and can buckle the adjustment according to user's needs, and user experience is better.

The application also provides a fan device for the hanging neck type fan, the fan device comprises a fan component and a shell part, the shell part comprises a first part, a second part and a third part, the third part is connected between the first part and the second part, the first part is provided with a first containing cavity and a first air outlet communicated with the first containing cavity, the second part is provided with a second containing cavity and a second air outlet communicated with the second containing cavity, the third part is provided with a third containing cavity communicated between the first containing cavity and the second containing cavity, and the shell part is further provided with an air inlet communicated with at least one of the first containing cavity, the second containing cavity and the third containing cavity; the fan assembly is at least partially located in the third accommodating cavity and used for guiding the wind from the wind inlet to the first wind outlet and the second wind outlet respectively to blow out.

Compared with the prior art, in the fan device, at least part of the fan component is arranged in the third accommodating cavity, and simultaneously the air of the air inlet is respectively guided to the first air outlet of the first part and the second air outlet of the second part to be blown out, and simultaneously the air is blown out from the first air outlet and the second air outlet, so that the air outlet quantity is increased, the air outlet efficiency is improved, the purpose of rapid cooling can be achieved, the user experience is better, in addition, at least part of the fan component is arranged in the third accommodating cavity, the air of the fan component can be blown out from the first air outlet and the second air outlet on two sides, the air outlet of the fan component can be effectively utilized, the problem that the air efficiency is reduced due to the fact that a large amount of air is directly blown out towards the end part shell is avoided, the noise is reduced, the air quantity loss is reduced, and the air outlet efficiency is improved, in addition, foreign matter such as hair is not easily caught in the fan assembly, and safety and convenience in use can be improved. In addition, fan unit is located two between the air outlet, also can avoid the free end to be the cooling effect that the calm zone leads to not good, use experience not good scheduling problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic perspective view of a neck-hanging fan in the related art.

Fig. 2 is a schematic perspective view of a hanging neck type fan according to an embodiment of the utility model.

Fig. 3 is a schematic perspective view of the hanging neck type fan shown in fig. 2 at another angle.

Fig. 4 is a perspective exploded view of the hanging neck type fan shown in fig. 2.

Fig. 5 is a schematic perspective view of a portion of the hanging neck type fan shown in fig. 2.

Fig. 6 is a sectional view of the muffler type fan shown in fig. 2.

Fig. 7 is a sectional view of a hanging neck type fan according to another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "first," "second," and "third," etc. in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprises" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Referring to fig. 2-3, fig. 2 is a schematic perspective view of a neck hanging fan 1 according to an embodiment of the present invention, and fig. 3 is a schematic perspective view of the neck hanging fan 1 shown in fig. 2 at another angle. The hanging neck type fan 1 comprises an arc-shaped shell 10 and a fan assembly 20. Hang neck formula fan 1 and wear in human neck department, make the user can release both hands, convenience of customers can also carry out other operations when blowing the cooling, and can hand-carry.

Referring to fig. 4-6, fig. 4 is an exploded perspective view of the hanging neck type fan 1 shown in fig. 2, fig. 5 is a partial perspective view of the hanging neck type fan 1 shown in fig. 2, and fig. 6 is a sectional view of the hanging neck type fan 1 shown in fig. 2. In this embodiment, the housing 10 includes a first housing portion 11 and a second housing portion 12, the first housing portion 11 and the second housing portion 12 are disposed opposite to each other and are disposed on opposite sides of a neck of a human body, at least one of the first housing portion 11 and the second housing portion 12 includes a first portion 111, a second portion 112, and a third portion 113, the third portion 113 is connected between the first portion 111 and the second portion 112, the first portion 111 has a first receiving cavity 111a and a first air outlet 111b communicated with the first receiving cavity 111a, the second portion 112 has a second receiving cavity 112a and a second air outlet 112b communicated with the second receiving cavity 112a, the third portion 113 has a third receiving cavity 113a communicated between the first receiving cavity 111a and the second receiving cavity 112a, and at least one of the first housing portion 11 and the second housing portion 12 further has a first receiving cavity 111a An air inlet 114 communicating with at least one of the second receiving chamber 112a and the third receiving chamber 113 a; the fan assembly 20 is at least partially disposed in the third receiving cavity 113a, and is used for guiding the wind from the wind inlet 114 to the first wind outlet 111b and the second wind outlet 112b respectively for blowing out.

In the hanging neck fan 1 of the above embodiment, the fan assembly 20 is at least partially disposed in the third receiving cavity 113a, and the air from the air inlet 114 is respectively guided to the first air outlet 111b of the first portion 111 and the second air outlet 112b of the second portion 112 to be blown out, so that the air output is increased due to the fact that the air is simultaneously blown out from the first air outlet 111b and the second air outlet 112b, the air output efficiency is improved, the purpose of rapid cooling can be achieved, and the user experience is better, in addition, the fan assembly 20 is at least partially disposed in the third receiving cavity 113a, the air of the fan assembly 20 can be blown out from the first air outlet 111b and the second air outlet 112b on both sides, the air output of the fan assembly 20 can be effectively utilized, and the problem of wind efficiency reduction caused by a large amount of air output directly facing to the end housing can be avoided, and then reduce the noise, reduce the air loss and promote the air-out efficiency, in addition, foreign matters such as hair are difficult to be drawn into the fan assembly 20, can improve security and the convenience of use. In addition, the fan assembly 20 is located between the two air outlets 111b and 112b, so that the problems of poor cooling effect, poor use experience and the like caused by the fact that the free end is the windless area E in the prior art shown in fig. 1 can be solved, an effective first air outlet 111b can be added at one end of the first portion 111 far away from the third portion 113, and therefore it is ensured that wind energy blown out of the first air outlet 111b completely covers the face of a person to blow, and effective blowing of key positions such as mouth, nose and mouth is achieved.

Further, in some embodiments, the third portion 113 includes a no-wind area N located between the first air outlet 111b and the second air outlet 112b and corresponding to the position of the fan assembly 20, where the no-wind area N is not designed as an air outlet, but only is designed as a blind hole N1 (i.e., a groove) that does not output wind, and the no-wind area N corresponds to the fan assembly 20, so that the wind output of the fan assembly 20 can be distributed at the air outlets 111b and 112b on both sides, which not only improves the wind efficiency, but also makes the wind output more gentle and comfortable. In addition, the design of calm zone N can also avoid the air-out to directly blow the face and lead to the uncomfortable sense, through calm zone N separates the air outlet 111b, 112b of both sides, also can make the air-out disperse in both sides, avoids everywhere to all be higher towards facial air-out amount of wind and the long condition of highly probably leading to user's facial paralysis takes place for a long time of blowing, improves hang the safety in utilization of neck fan 1. Furthermore, the calm zone N of this embodiment can be set up corresponding to the ear position of people's face, avoids "calling" noise that wind formed when directly blowing the ear, also avoids influencing user's normal hearing, improves and uses experience.

Further, in order to achieve the purposes of better comfort for the user, uniform air outlet, and rapid cooling of the neck of the human body, in this embodiment, the first housing portion 11 and the second housing portion 12 both include the first portion 111, the second portion 112, and the third portion 113, and the fan assemblies 20 include two fan assemblies 20, one fan assembly 20 is located in the third receiving cavity 113a of the first housing portion 11, and is configured to guide the wind from the wind inlet 114 of the first housing portion 11 to the first wind outlet 111b of the first housing portion 11 and the second wind outlet 112b of the first housing portion 11, respectively, and blow out the wind; the other fan assembly 20 is located in the third receiving cavity 113a of the second housing portion 12, and is configured to guide the wind from the wind inlet 114 of the second housing portion 12 to the first wind outlet 111b of the second housing portion 12 and the second wind outlet 112b of the second housing portion 12 respectively to blow out, it can be understood that the first housing portion 11 and the second housing portion 12, where the neck hanging fan 1 is located on two sides of the neck of the human body respectively, are symmetrically designed, that is, the first housing portion 11 and the second housing portion 12 are both provided with the first portion 111, the second portion 112 and the third portion 113, and the third portion 113 of the first housing portion 11 and the third portion 113 of the second housing portion 12 are respectively provided with one fan assembly 20, and when the neck hanging fan 1 is in operation, the fan assemblies 20 located on two sides of the neck of the human body respectively will blow out the wind inlet 114 of the first housing portion 11 The wind is guided to the first outlet 111b of the first housing portion 11 and the second outlet 112b of the first housing portion 11 to be blown out, and the wind of the wind inlet 114 of the second housing portion 12 is guided to the first outlet 111b of the second housing portion 12 and the second outlet 112b of the second housing portion 12 to be blown out. Through first casing portion 11 with second casing portion 12 all sets up first part 111 second part 112 with third part 113, and respectively set up one in the third part 113 fan assembly 20, simultaneously will first casing portion 11 the wind of air intake 114 leads respectively to first casing portion 11 first air outlet 111b and first casing portion 11 second air outlet 112b with second casing portion 12 the wind of air intake 114 leads respectively to second casing portion 12 first air outlet 111b and second casing portion 12 second air outlet 112b blows out, has improved intake and air output, has reached rapid cooling's purpose, and symmetry and human neck both sides air-out, and human comfort level is higher.

Further, the fan assembly 20 includes a turbo fan 21, the turbo fan 21 includes a fan shaft 211 and a plurality of turbine blades 212 annularly arranged around the fan shaft 211, and an air flow direction of the turbo fan 21 is perpendicular to the fan shaft 211, so that a larger air volume can be output with a smaller space occupation, and an air outlet rate of the neck hanging fan 1 is larger. Through with fan assembly 20 sets up to turbofan 21 can effectively reduce hang neck formula fan 1's work noise, improves simultaneously hang neck formula fan 1's air-out efficiency.

Specifically, the plurality of turbine blades 212 includes a first end surface 212a and a second end surface 212b aligned in the extending direction of the fan shaft 211; a gap between the first end surface 212a and the housing 10 is in a range of 1 mm to 6 mm and/or a gap between the second end surface 212b and the housing 10 is in a range of 1 mm to 6 mm, a diameter of the turbofan 21 is in a range of 35 mm to 45 mm, and a thickness of the turbofan 21 in a direction of the fan shaft 211 is in a range of 10 mm to 25 mm; preferably, the gap between the first end surface 212a and the housing 10 is 1 mm and/or the gap between the second end surface 212b and the housing 10 is 1 mm. The air outlet efficiency of the fan assembly 20 can be improved by matching the three parameters that the gap between the first end surface 212a and the housing 10 is in the range of 1 mm to 6 mm and/or the gap between the second end surface 212b and the housing 10 is in the range of 1 mm to 6 mm, the diameter of the turbofan 21 is in the range of 35 mm to 45 mm, the thickness of the turbofan 21 along the direction of the fan shaft 211 is in the range of 10 mm to 25 mm; preferably, the gap between the first end surface 212a and the housing 10 is 1 mm and/or the gap between the second end surface 212b and the housing 10 is 1 mm, so that the air outlet efficiency of the fan assembly 20 is better.

Further, the first portion 111, the second portion 112 and the third portion 113 each include a first inner side plate 115 for being adjacent to the neck of the human body, a first outer side plate 116 disposed opposite to the first inner side plate 115, a first connecting plate 117 connecting between the first inner side plate 115 and the second inner side plate and for being adjacent to the head of the human body, a second connecting plate 118 disposed opposite to the first connecting plate 117, the first portion 111 further includes a first end plate 119 connecting between the first inner side plate 115, the first outer side plate 116, the first connecting plate 117 and the second connecting plate 118; the air inlet 114 is disposed at least on one of the first inner side plate 115 of the third portion 113 and the first outer side plate 116 of the third portion 113, the first air outlet 111b is disposed on the first inner side plate 115 of the first portion 111, and the second air outlet 112b is disposed on the first inner side plate 115 of the second portion 112; the first end face 212a corresponds to the first inner side panel 115 of the third portion 113, and the second end face 212b corresponds to the first outer side panel 116 of the third portion 113; the fan shaft 211 extends in a direction from the first inner side plate 115 to the first outer side plate 116. By disposing the air inlet 114 at least on one of the first inner side plate 115 of the third portion 113 and the first outer side plate 116 of the third portion 113, disposing the first air outlet 111b on the first inner side plate 115 of the first portion 111, and disposing the second air outlet 112b on the first inner side plate 115 of the second portion 112, the fan assembly 20 can be located between the first air outlet 111b and the second air outlet 112b, the fan assembly 20 can blow the air from the air inlet 114 to the first air outlet 111b and the second air outlet 112b from two sides, the air from the first air outlet 111b and the second air outlet 112b do not affect each other, the loss in the air outlet process is reduced, and the air outlet efficiency of the hanging neck fan 1 is improved.

Further, the air inlets 114 are respectively disposed on the first inner side plate 115 of the third portion 113 and the first outer side plate 116 of the third portion 113, so that a stuffy wind effect caused when only the air inlets are disposed on the first inner side plate 115 or the first outer side plate 116 can be avoided, full flow of wind in the air inlet, the air outlet and the air duct between the air inlet and the air outlet is ensured, the flow of wind is smoother, and wind noise is reduced; the first inner side plate 115 of the third portion 113 includes a first main body portion 115b having a first opening 115a and a first cover plate 115c mounted to the first opening 115a, and the intake vent 114 includes a plurality of first intake holes 115d provided in the first cover plate 115 c; the first opening 115a and the first cover plate 115c are both circular, and the first air inlet holes 115d are uniformly distributed on the first cover plate 115 c; the first outer side plate 116 of the third portion 113 includes a second main body 116b having a second opening 116a and a second cover plate 116c mounted to the second opening 116a, and the intake vent 114 includes a plurality of second intake holes 116d disposed on the second cover plate 116 c; the second opening 116a and the second cover plate 116c are both circular, and the second air inlet holes 116d are uniformly distributed on the second cover plate 116 c. In this embodiment, when the fan assembly 20 adopts the turbofan 21, the air inlet and outlet of the turbofan 21 is in a ring turbine type, so that the first opening 115a and the first cover plate 115c, and the second opening 116a and the second cover plate 116c both adopt a circular shape to be more matched with the air inlet and outlet of the turbofan 21, so that the air loss is smaller. Through setting up first opening 115a with first cover plate 115c is circular, second opening 116a with second cover plate 116c is circular, makes first opening 115a with second opening 116a with fan assembly 20 turbo fan 21 more matches, simultaneously, and is a plurality of first fresh air inlet 115d evenly distributed is in on the first cover plate 115c, it is a plurality of second fresh air inlet 116d evenly distributed is in on the second cover plate 116c, makes turbo fan 21's air-out is more smooth and easy, even, is favorable to promoting hang the air-out efficiency of neck fan 1.

Furthermore, the hanging neck type fan 1 further comprises a first partition plate 121 at least partially located in the third receiving cavity 113a and covering the fan assembly 20 on the side adjacent to the human face and the second portion 112, a second partition plate 122 covering the periphery of the fan assembly 20 and facing the first partition plate 121, a first wind guiding part 123 connecting the second partition plate 122 and located in the first receiving cavity 111a, and a second wind guiding part 124 located in the second receiving cavity 112a, the first air guiding part 123 divides the first receiving chamber 111a into a first receiving space 111c and a first air duct 125 communicating with the first air outlet 111b of the first portion 111, the second air guiding portion 124 divides the second receiving cavity 112a into a second receiving space 112c and a second air duct 126 communicating with the second air outlet 112b of the second portion 112. It can be understood that the outlet air of the fan assembly 20 is guided by the first partition portion 121 and the second partition portion 122 from both sides of the fan assembly 20, blown to the first air guiding portion 123 and the second air guiding portion 124, and finally blown into the first air channel 125 and the second air channel 126 by the first air guiding portion 123 and the second air guiding portion 124, and then blown out from the first air outlet 111b and the second air outlet 112 b. By providing the first partition portion 121, the second partition portion 122, the first air guiding portion 123 and the second air guiding portion 124, the first air duct 125 that communicates the first receiving cavity 111a with the first air outlet 111b of the first portion 111 and the second air duct 126 that communicates the second receiving cavity 112a with the second air outlet 112b of the second portion 112 can be divided, and the first air duct 125 and the second air duct 126 respectively guide the outlet air of the fan assembly 20 to the first air outlet 111b and the second air outlet 112b, so that loss in the outlet air process is reduced, the outlet air is more accurate, and the outlet air efficiency is improved.

Further, the hanging neck fan 1 includes a first auxiliary air deflector 127 and a second auxiliary air deflector 128, where the first auxiliary air deflector 127 is used to divide the first air duct 125 into a first sub-air duct 125a communicated with a part of the first air outlet 111b of the first portion 111 and a second sub-air duct 125b communicated with the other part of the first air outlet 111b of the first portion 111; the second auxiliary air deflector 128 is configured to divide the second air duct 126 into a third sub-air duct 126a communicating with some of the air outlets 111b and 112b of the second portion 112 and a fourth sub-air duct 126b communicating with another part of the air outlets 111b and 112b of the second portion 112. The first air duct 125 is divided into the first sub-air duct 125a and the second sub-air duct 125b by the first auxiliary air deflector 127, and the second air duct 126 is divided into the third sub-air duct 126a and the fourth sub-air duct 126b by the second auxiliary air deflector 128, so that the air outlet of the first air outlet 111b and the second air outlet 112b is more uniform, the loss in the air outlet process is reduced, the air outlet is more accurate, and the air outlet efficiency is improved.

Further, the end portions of the first auxiliary air guiding plate 127 and the second auxiliary air guiding plate 128, which are adjacent to the air outlets 111b and 112b, may be disposed perpendicular to or close to the vertical air outlets 111b and 112b, so that the air is blown out approximately perpendicular to the surface of the first connecting plate 117 by the guiding action of the first auxiliary air guiding plate 127 and the second auxiliary air guiding plate 128, thereby ensuring the blowing effect of direct blowing, avoiding the phenomenon of cross talk between the inclined air blows in the prior art, and ensuring the blowing wind power.

Further, the hanging neck type fan 1 further includes an electronic control assembly 30, the electronic control assembly 30 includes at least one of a battery 31, a circuit board 32 and a control button 33, and at least a portion of the electronic control assembly 30 is located in the first receiving space 111c or the second receiving space 112 c. Through automatically controlled subassembly 30 is the power supply of hanging neck formula fan 1 makes hang neck formula fan 1 portable use, simultaneously, at least part of automatically controlled subassembly 30 is located first accommodation space 111c or second accommodation space 112c has improved hang neck formula fan 1's security.

Further, the housing 10 further comprises a connecting member 13, wherein the connecting member 13 is connected between the first housing part 11 and the second housing part 12; the connecting piece 13 is a flexible connecting piece which can be bent and shaped manually. Connect in through the setting first casing portion 11 with between the second casing portion 12 connecting piece 13, just connecting piece 13 makes for the flexible connection spare that can manually buckle and stereotype hang 1 adjustment of buckling of neck formula fan, and can buckle according to user's needs, user experience is better. In other embodiments, the connecting member 13 may not be provided, that is, the first housing portion 11 and the second housing portion 12 are directly connected in this case; alternatively, the first housing part 11 and the second housing part 12 are integrally formed and mounted by a first inner side plate 115 or a first outer side plate 116 which is opened; alternatively, the first inner side plate 115 of the first housing part 11 and the second housing part 12 is integrally formed, and a first outer side plate 116 is provided in an uncovered manner; alternatively, the first outer side plate 116 of the first housing part 11 and the second housing part 12 may be integrally formed, and a first inner side plate 115 may be provided in a tear-open manner.

It should be particularly noted that, in the present embodiment, the electronic control assembly 30 is preferably disposed in the first receiving space 111c, and when the electronic control assembly is used, the end of the first portion 111 is generally in a suspended state, so that heat of the electronic control assembly 30 can be prevented from being conducted to a human body, thereby improving user experience.

Referring to fig. 7, fig. 7 is a cross-sectional view of a hanging neck type fan 1 according to another embodiment of the present invention. The hanging neck type fan of the other embodiment is basically the same as the hanging neck type fan 1 of the embodiment shown in fig. 2-6, that is, the above description of the hanging neck type fan 1 of the embodiment shown in fig. 2-6 can be basically applied to the hanging neck type fan 1 shown in fig. 7, and the main difference between the two is that: the first partition 121, the second partition 122, the first air guiding part 123, the second air guiding part 124, the first auxiliary air guiding plate 127, and the second auxiliary air guiding plate 128 are different in air duct and air path.

Specifically, in the another embodiment, the hanging neck type fan 1 further includes a first partition 121 at least partially located in the third receiving cavity 113a and covering the fan assembly 20 on the side near the human face and the first portion 111, a second partition 122 covering the periphery of the fan assembly 20 and facing the first partition 121, a first wind guiding part 123 located in the first receiving cavity 111a, a second wind guiding part 124 located in the second receiving cavity 112a and connected to the second partition 122, the first air guiding part 123 divides the first receiving chamber 111a into a first receiving space 111c and a first air duct 125 communicating with the first air outlet 111b of the first portion, the second air guiding portion 124 divides the second receiving cavity 112a into a second receiving space 112c and a second air duct 126 communicating with the second air outlet 112b of the second portion 112.

The first auxiliary air deflector 127 is configured to divide the first air duct 125 into a first sub-air duct 125a communicated with a portion of the first air outlet 111b of the first portion 111 and a second sub-air duct 125b communicated with the other portion of the first air outlet 111b of the first portion 111; the second auxiliary air deflector 128 is configured to divide the second air duct 126 into a third sub-air duct 126a communicating with some of the air outlets 111b and 112b of the second portion 112 and a fourth sub-air duct 126b communicating with another part of the air outlets 111b and 112b of the second portion 112. The first air duct 125 is divided into the first sub-air duct 125a and the second sub-air duct 125b by the first auxiliary air deflector 127, and the second air duct 126 is divided into the third sub-air duct 126a and the fourth sub-air duct 126b by the second auxiliary air deflector 128, so that the air outlet of the first air outlet 111b and the second air outlet 112b is more uniform, the loss in the air outlet process is reduced, the air outlet is more accurate, and the air outlet efficiency is improved.

The different beneficial effects of this embodiment from the embodiments of fig. 2 to 6 include: in the cross section shown in fig. 7, when the fan assembly 20 rotates clockwise, the wind blows out from the position of the fan assembly 20 close to the second connecting plate 118 in the tangential direction, then blows out into the second wind channel 126 due to the inertia of rotation, accelerates along the arc shape of the second wind guiding portion 124 and the second auxiliary wind guiding plate 128, and finally blows out from the first wind outlet 111b far away from the second connecting plate 118, so that the wind speed and the wind power of the outlet wind can be further increased, unlike the extrusion outlet wind of the second wind outlet 112b at this time.

The present application further provides a fan assembly for use with the neckdown fan of any of the embodiments of figures 2-7, the fan apparatus includes a fan assembly 20 and a housing portion 11 or 12, the housing portion 11 or 12 including a first portion 111, a second portion 112 and a third portion 113, the third portion 113 is connected between the first portion 111 and the second portion 112, the first portion 111 has a first receiving cavity 111a and a first outlet 111b communicating with the first receiving cavity 111a, the second portion 112 has a second receiving cavity 112a and a second air outlet 112b communicated with the second receiving cavity 112a, the third portion 113 has a third receiving cavity 113a communicating between the first receiving cavity 111a and the second receiving cavity 112a, the housing portion 11 or 12 has an air inlet 114 communicating with at least one of the first receiving chamber 111a, the second receiving chamber 112a, and the third receiving chamber 113 a; the fan assembly 20 is at least partially disposed in the third receiving cavity 113a, and is used for guiding the wind from the wind inlet 114 to the first wind outlet 111b and the second wind outlet 112b respectively for blowing out.

In the fan apparatus, the fan assembly 20 is at least partially disposed in the third receiving cavity 113a, and simultaneously the air from the air inlet 114 is respectively guided to the first air outlet 111b of the first portion 111 and the second air outlet 112b of the second portion 112 to be blown out, and because the air is simultaneously blown out from the first air outlet 111b and the second air outlet 112b, the air outlet amount is increased, the air outlet efficiency is improved, the purpose of rapid cooling can be achieved, and the user experience is better, in addition, the fan assembly 20 is at least partially disposed in the third receiving cavity 113a, the air of the fan assembly 20 can be blown out from the first air outlet 111b and the second air outlet 112b on both sides, so that the air outlet of the fan assembly 20 can be effectively utilized, and the problem of wind efficiency reduction caused by a large amount of air outlet directly facing to the end housing is avoided, and then reduce the noise, reduce the air loss and promote the air-out efficiency, in addition, foreign matters such as hair are difficult to be drawn into the fan assembly 20, can improve security and the convenience of use. In addition, the fan assembly 20 is located between the two air outlets 111b and 112b, so that the problems of poor cooling effect, poor use experience and the like caused by the fact that the free end is the windless area E in the prior art shown in fig. 1 can be solved, an effective first air outlet 111b can be added at one end of the first portion 111 far away from the third portion 113, and therefore it is ensured that wind energy blown out of the first air outlet 111b completely covers the face of a person to blow, and effective blowing of key positions such as mouth, nose and mouth is achieved.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The utility model provides a hang neck formula fan which characterized in that: the method comprises the following steps:

an arc-shaped shell, which comprises a first shell part and a second shell part, wherein the first shell part and the second shell part are oppositely arranged and are respectively arranged at two opposite sides of the neck of a human body, at least one of the first housing portion and the second housing portion comprises a first portion, a second portion, and a third portion, the third part is connected between the first part and the second part, the first part is provided with a first receiving cavity and a first air outlet communicated with the first receiving cavity, the second part is provided with a second containing cavity and a second air outlet communicated with the second containing cavity, the third portion has a third receiving cavity communicating between the first receiving cavity and the second receiving cavity, at least one of the first housing part and the second housing part is also provided with an air inlet communicated with at least one of the first accommodating cavity, the second accommodating cavity and the third accommodating cavity;

and the fan assembly is at least partially positioned in the third accommodating cavity and used for guiding the wind of the wind inlet to the first wind outlet and the second wind outlet respectively to blow out.

2. The hanging neck fan of claim 1, wherein: the third portion comprises a calm zone which is located between the first air outlet and the second air outlet and corresponds to the position of the fan assembly.

3. The hanging neck fan of claim 1, wherein: the first housing part and the second housing part respectively comprise the first part, the second part and the third part, the fan assemblies comprise two parts, one fan assembly is positioned in the third accommodating cavity of the first housing part and is used for guiding the wind of the wind inlet of the first housing part to the first wind outlet of the first housing part and the second wind outlet of the first housing part respectively to blow out; the other fan assembly is located in the third accommodating cavity of the second housing portion and used for guiding the air from the air inlet of the second housing portion to the first air outlet of the second housing portion and the second air outlet of the second housing portion respectively to blow out.

4. The hanging neck fan of claim 3, wherein: the fan assembly includes a turbofan including a fan shaft and a plurality of turbine blades annularly disposed about the fan shaft; a plurality of the turbine blades include a first end surface and a second end surface arranged in an extending direction of the fan shaft; the diameter of the turbofan is in the range of 35 mm to 45 mm, the thickness of the turbofan in the direction of the fan shaft is in the range of 10 mm to 25 mm, the gap between the first end face and the housing is in the range of 1 mm to 6 mm and/or the gap between the second end face and the housing is in the range of 1 mm to 6 mm.

5. The hanging neck fan of claim 4, wherein: the fan assembly includes a turbofan including a fan shaft and a plurality of turbine blades annularly disposed about the fan shaft; the first part, the second part and the third part respectively comprise a first inner side plate used for being close to the neck of a human body, a first outer side plate arranged opposite to the first inner side plate, a first connecting plate connected between the first inner side plate and the second inner side plate and used for being close to the head of the human body, and a second connecting plate arranged opposite to the first connecting plate, and the first part further comprises a first end plate connected among the first inner side plate, the first outer side plate, the first connecting plate and the second connecting plate; the air inlet is at least arranged on one of the first inner side plate of the third part and the first outer side plate of the third part, the first air outlet is arranged on the first inner side plate of the first part, and the second air outlet is arranged on the first inner side plate of the second part; the first end surface corresponds to the first inner side plate of the third portion and the second end surface corresponds to the first outer side plate of the third portion; the fan shaft extends in a direction from the first inner side plate to the first outer side plate.

6. The hanging neck fan of claim 5, wherein: the air inlets are respectively arranged on the first inner side plate of the third part and the first outer side plate of the third part; the first inner side plate of the third part comprises a first main body part with a first opening and a first cover plate arranged at the first opening, and the air inlet comprises a plurality of first air inlet holes arranged on the first cover plate; the first opening and the first cover plate are both circular, and the first air inlet holes are uniformly distributed on the first cover plate; the first outer side plate of the third part comprises a second main body part with a second opening and a second cover plate arranged at the second opening, and the air inlet comprises a plurality of second air inlet holes arranged on the second cover plate; the second opening and the second cover plate are both circular, and the plurality of second air inlet holes are uniformly distributed on the second cover plate.

7. The hanging neck fan of claim 1, wherein: the hanging neck type fan further comprises a first partition plate part which is at least partially positioned in the third accommodating cavity and covers the face part of the fan assembly and one side of the second part, which is adjacent to the human body, a second partition plate part which covers the periphery of the fan assembly and is opposite to the first partition plate part, a first air guide part which is connected with the second partition plate part and positioned in the first accommodating cavity, and a second air guide part which is positioned in the second accommodating cavity, wherein the first air guide part divides the first accommodating cavity into a first accommodating space and a first air channel communicated with the first air outlet of the first part, and the second air guide part divides the second accommodating cavity into a second accommodating space and a second air channel communicated with the second air outlet of the second part; or the like, or, alternatively,

the hanging neck type fan further comprises a first partition plate portion, a second partition plate portion, a first air guide portion and a second air guide portion, the first partition plate portion is located at least in part in the third containing cavity and covers the portion, close to the face of a human body, of the fan assembly and one side of the first portion, the second partition plate portion covers the periphery of the fan assembly and is opposite to the first partition plate portion, the first air guide portion is located in the first containing cavity, the second air guide portion is located in the second containing cavity and is connected with the second partition plate portion, the first containing cavity is divided into a first containing space and a first air channel communicated with the first air outlet of the first portion by the first air guide portion, and the second containing cavity is divided into a second containing space and a second air channel communicated with the second air outlet of the second portion by the second air guide portion.

8. The hanging neck fan of claim 7, wherein: the neck hanging type fan comprises a first auxiliary air deflector and a second auxiliary air deflector, wherein the first auxiliary air deflector is used for dividing the first air channel into a first sub-air channel communicated with one part of the air outlet of the first part and a second sub-air channel communicated with the other part of the air outlet of the first part; the second auxiliary air deflector is used for dividing the second air duct into a third sub-air duct communicated with one part of the air outlet of the second part and a fourth sub-air duct communicated with the other part of the air outlet of the second part.

9. The hanging neck fan of claim 7, wherein: the hanging neck type fan further comprises an electric control assembly, the electric control assembly comprises at least one of a battery, a circuit board and a control key, and at least part of the electric control assembly is located in the first containing space or the second containing space;

the housing further comprises a connector connected between the first housing portion and the second housing portion; the connecting piece is a flexible connecting piece which can be manually bent and shaped.

10. A fan device for a neck hanging fan, the fan device comprising a fan assembly and a housing portion, the housing portion comprising a first portion, a second portion and a third portion, the third portion being connected between the first portion and the second portion, the first portion having a first receiving cavity and a first air outlet communicating with the first receiving cavity, the second portion having a second receiving cavity and a second air outlet communicating with the second receiving cavity, the third portion having a third receiving cavity communicating between the first receiving cavity and the second receiving cavity, the housing portion further having an air inlet communicating with at least one of the first receiving cavity, the second receiving cavity and the third receiving cavity; the fan assembly is at least partially located in the third accommodating cavity and used for guiding the wind from the wind inlet to the first wind outlet and the second wind outlet respectively to blow out.

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