CN213450914U

CN213450914U - Hanging neck type fan

Info

Publication number: CN213450914U
Application number: CN202021698360.0U
Authority: CN
Inventors: 李享福
Original assignee: Shenzhen Jisu Technology Co Ltd
Current assignee: Shenzhen Jisu Technology Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-15
Anticipated expiration: 2030-08-14
Also published as: WO2022032721A1

Abstract

The utility model provides a hang neck formula fan. The hanging neck type fan comprises an arc-shaped shell and at least three groups of fan components. The arc shell can be worn at human neck department, the arc shell have accomodate the chamber, with accomodate the air intake and the air outlet of chamber intercommunication, it still is provided with two at least baffles in the chamber to accomodate, two at least baffles will accomodate the chamber and cut apart into the edge at least three storage portion that arc shell's extending direction set gradually, every storage portion correspondence has part air intake and part the air outlet. The at least three groups of fan assemblies are respectively positioned in the at least three receiving parts, and the fan assemblies are used for guiding wind of the wind inlets corresponding to the receiving parts to the wind outlets corresponding to the receiving parts to blow out.

Description

Hanging neck type fan

Technical Field

The utility model relates to a fan field, concretely relates to hang neck formula 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-hung fan, a fan assembly is generally provided with two exposed fan blades arranged at two ends of a neck part, the fan assembly is not only low in safety and easy to be involved in hair, but also has the problems of uncomfortable air outlet caused by too concentrated air outlet and the like, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a neck formula fan that hangs that the security is higher, the air-out is comfortable.

An embodiment of the utility model provides a hang neck formula fan, including arc shell and three group fan assembly at least, arc shell can wear in human neck department, arc shell has the chamber of accomodating, with air intake and the air outlet of accomodating the chamber intercommunication, still be provided with at least two baffles in the chamber of accomodating, at least two baffles will be divided into the chamber of accomodating into at least three accomodating parts that set gradually along the extending direction of arc shell, each accomodating part corresponds to partly the air intake and partly the air outlet; the at least three groups of fan assemblies are respectively positioned in the at least three receiving parts, and the fan assemblies are used for guiding wind of the wind inlets corresponding to the receiving parts to the wind outlets corresponding to the receiving parts to blow out.

Compared with the prior art, in the neck hanging fan in the embodiment, the arc-shaped shell is provided with the accommodating cavity, and the air inlet and the air outlet which are communicated with the accommodating cavity; at least three fan unit of group are located accomodate the intracavity, and follow arc shell's extending direction sets gradually, at least three fan unit of group can be with the wind of air intake guides to the air outlet blows out. Because fan unit is located accomodate in the chamber for foreign matter such as hair is difficult for being drawn into fan unit, can improve the security and the convenience of using, at least three fan unit of group are located and accomodate the part along at least three that extending direction set up, because wind can reduce the air-out concentration degree in each accomodate the part internal motion, make the air-out comparatively comfortable. In addition, among the hanging neck formula fan of above-mentioned structure, still conveniently through setting up the wind-force, the size of storage part, the size/quantity etc. of the business turn over wind gap that storage part corresponds for the air-out of each storage part is the same or different, satisfies different users' demand.

Further, in some embodiments, the thickness of the two ends of the arc-shaped shell is smaller than the width of the two ends of the arc-shaped shell when viewed in a cross section perpendicular to the extending direction of the arc-shaped shell. Because the thickness at arc shell both ends is less for can not too be close to user's face when wearing, it is higher to wear the comfort level.

Further, in some embodiments, the thickness of the middle part of the arc-shaped shell is smaller than the width of the middle part of the arc-shaped shell and/or the width of the middle part of the arc-shaped shell is smaller than the width of the two ends of the arc-shaped shell when viewed in a cross section perpendicular to the extension direction of the arc-shaped shell. Specifically, the thickness in the middle of the arc-shaped shell can be basically the same as the thicknesses at the two ends of the arc-shaped shell, the width in the middle of the arc-shaped shell can also be basically the same as the widths at the two ends of the arc-shaped shell, and then the thickness in the middle of the arc-shaped shell is smaller than the widths at the two ends of the arc-shaped shell, so that the thickness in the middle of the arc-shaped shell is smaller, and the comfort level of a user wearing the arc-shaped shell. Furthermore, the width in the middle of the arc-shaped shell can be smaller than the width at the two ends of the arc-shaped shell, so that when the novel neck-protecting cap is worn, the width of the back neck is smaller, and the wearing comfort can be increased.

Further, in some embodiments, a guide plate is further disposed in the receiving portion, the guide plate divides the receiving portion into an air inlet area corresponding to the air inlet and an air outlet area corresponding to the air outlet, and the fan assembly is located between the air inlet area and the air outlet area; the guide panel includes an arc portion protruding toward the air intake area. It can be understood that the arrangement of the guide plate can reduce the adverse effect between the air inlet and the air outlet and improve the air inlet and the air outlet efficiency. Furthermore, the guide board includes the orientation the outstanding arc part in air-out district also can reach effect such as effective guide air inlet, noise reduction, air-out are even.

Further, in some embodiments, the arc-shaped housing includes a first portion and a second portion opposite to the first portion, the first portion and the second portion are respectively used for being located at two sides of the neck of the human body, the receiving cavity includes a first receiving cavity located in the first portion and a second receiving cavity located in the second portion, the at least three sets of fan assemblies include at least two sets of first fan assemblies and at least two sets of second fan assemblies, the partition includes a first partition and a second partition, the first partition is located in the first receiving cavity and divides the first receiving cavity into at least two first receiving portions, the second partition is located in the second receiving cavity and divides the second receiving cavity into at least two second receiving portions, the at least two first receiving portions are arranged along an extending direction of the first portion and respectively receive the at least two sets of first fan assemblies, the at least two second receiving portions are arranged along the extending direction of the second portions and respectively receive the at least two groups of second fan assemblies. It can be understood that through setting up first accomodate the part with the second accomodates part and corresponding first fan unit and second fan unit, not only can avoid the air-out too concentrated, and then the air-out is comfortable, also can improve whole air output, reaches better cooling, enjoys the cool effect.

Further, in some embodiments, a first receiving portion of the first receiving cavity adjacent to the second receiving cavity is in communication with a second receiving portion of the second receiving cavity adjacent to the first receiving cavity. It can be understood that the first receiving part and the second receiving part which are adjacent to the back neck of the human body are communicated, so that the air inlet and outlet at the back neck are more uniform.

Further, in some embodiments, the first partition plate includes at least two, at least two of the first partition plates dividing the first receiving cavity into three of the first receiving portions; the second partition plate includes at least two, and the at least two second partition plates divide the second receiving chamber into three second receiving portions. Can understand, the design of the first baffle of above quantity, second baffle, first portion of accomodating and the second part of accomodating is favorable to the air output of whole string of neck formula fan higher, the air-out is comparatively even to and balance weight, improve and wear the comfort level.

Further, in some embodiments, the first baffle is an arcuate baffle that curves toward an end of the first portion distal from the second portion; the second baffle is an arc-shaped baffle bent towards the end of the second part away from the first part. Furthermore, the arc-shaped partition plate is also beneficial to achieving the effects of effectively guiding air in and out, reducing noise, uniformly discharging air and the like.

Further, in some embodiments, the fan blade structure of the first fan assembly is the same as the fan blade structure of the second fan assembly, and the rotation direction of the fan blade structure of the first fan assembly is opposite to that of the fan blade structure of the second fan assembly. It can be understood that because first fan assembly with second fan assembly sets up relatively and is located the both sides of human neck respectively, and flabellum structure is the same but the rotation direction is different, not only is convenient for assemble, still can make the wind flow in two storage portions roughly symmetrical and towards human neck, reaches the technological effect of comparatively even air-out.

Further, in some embodiments, the fan blade structures of the first fan assembly and the second fan assembly are disposed in axial symmetry, and the rotation directions of the fan blade structures of the first fan assembly and the second fan assembly are the same. It can be understood that because first fan assembly with second fan assembly sets up relatively and is located the both sides of human neck respectively, and flabellum structure symmetry direction of rotation is the same, can the same different flabellum structures of motor drive of facilitate the use, still can make two approximate symmetries of the interior air current of accomodating part and towards human neck, reach the technological effect of comparatively even air-out.

Further, in some embodiments, each of the fan assemblies includes a mounting shaft and fan blades mounted on the mounting shaft, and the mounting shaft of the fan assembly extends in a direction corresponding to a thickness of the arc-shaped casing. With understanding, the extending direction through the installation axle is unanimous with the thickness direction of arc shell, helps reducing the thickness of arc shell, improves and wears the comfort level.

Further, the arc shell is including being used for being close to human neck inside wall, being located the dorsal lateral wall of inside wall, connect in the inside wall with the diapire of lateral wall, connect in between the inside wall with the lateral wall and with the relative roof of diapire, the inside wall the lateral wall the diapire reaches the roof encloses into the storage chamber, the storage chamber is followed the extending direction of arc shell extends, the air intake set up in on the lateral wall, the air outlet set up in the roof is close to one side of human neck. It can be understood that through the air inlet of lateral wall and the air outlet of roof, fan assembly direct rotation can be with the leading-in air outlet discharge of wind of air intake for the wind channel is shorter, and the amount of wind loss is less, and wind-force efficiency is higher.

Further, in some embodiments, the number of the air inlets is multiple, and the multiple air inlets are arranged in the extending direction of the arc-shaped shell. It can be understood that the air inlet range is larger and the wind power efficiency is higher due to the plurality of air inlets. Furthermore, a plurality of air inlets are uniformly distributed, so that air outlet is more uniform. The number of the air inlets corresponding to each fan assembly is the same, and air outlet can be more uniform.

Further, in some embodiments, the intake vent includes at least two adjacently disposed intake portions; the outer side wall comprises a side wall main body with an opening area and a connecting part which is positioned in the opening area and connected with the side wall main body, and the at least two air inlet parts are formed between the connecting part and the side wall main body. It can be understood that the air inlet part is formed in the above mode to improve the uniformity of air inlet and also help to improve the uniformity of air outlet, and the structure is simple and easy to manufacture, and the cost is not easy to increase. Furthermore, the lateral wall still is provided with the air inlet separation blade, the air inlet separation blade corresponds the open region installation for wind can be via the air inlet separation blade with the region between the lateral wall main part, the air inlet part gets into accomodate the chamber. It can be understood that, through the air inlet separation blade, not only can improve business turn over wind security, still make outward appearance pleasing to the eye, comfortable.

Further, in some embodiments, the number of the air outlets is multiple, and the multiple air outlets are arranged in the extending direction of the arc-shaped housing. It can be understood that the air outlet is more uniform through the air outlets. Furthermore, the air outlets are a plurality of strip-shaped air outlets which are parallel to each other, and the strip-shaped extending direction of the air outlets is intersected with the extending direction of the arc-shaped shell. It can be understood that the air outlet design of the above extending direction can be matched with the fan assembly of which the extending direction of the installation shaft extends along the thickness direction of the arc-shaped shell to achieve a better air guiding effect.

Furthermore, the air outlets are uniformly distributed; the air outlets are arranged in a U shape. It can be understood that the plurality of air outlets arranged in the U shape enable the covering range of the air outlet of the hanging neck type fan to be larger, the air outlet amount to be better, and the uneven air outlet can be improved. Furthermore, a plurality of the air outlets are evenly distributed, so that air outlet is more even.

Further, in some embodiments, the outer surface of the bottom wall away from the top wall is an arc surface concave towards the receiving cavity; the concave curvature of the arc surface is gradually increased and then gradually decreased along the direction from one end part of the arc shell to the middle part of the arc shell. It can be understood that the design of the curvature can be more suitable for the curve of the shoulder and the neck of the human body, and the effect of wearing comfort is achieved.

Further, hang neck formula fan still includes the switch button, the switch button set up in the lateral wall just is close to the tip of arc shell. The operation of a user can be facilitated, and the air inlet and the air outlet are not influenced.

Further, in some embodiments, the hanging neck fan further comprises a power indicator light, and the power indicator light is adjacent to the switch key and arranged on the outer side wall. It can be understood that the switch key and the corresponding power indicator lamp can be conveniently installed and wired through the design.

Further, in some embodiments, the fan assembly is a turbofan assembly, and it can be understood that the turbofan assembly has the effects of uniform air outlet, low noise and the like, and the better air outlet effect can be achieved by matching with the air inlet, the air outlet and the accommodating part. The air outlet is arranged on one side of the top wall, which is adjacent to the neck of the human body. Further, the cooperation sets up the air outlet at the roof, also can reach effects such as air-out efficiency is higher, the amount of wind is great.

Further, in some embodiments, the switch and/or the rotation speed of each fan assembly in each receiving portion can be independently adjusted, so that a user can control the switch and the air volume of the fan assembly at a corresponding position according to needs, and the user experience is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 of the present invention;

FIG. 2 is an exploded perspective view of the neck hanging fan shown in FIG. 1;

FIGS. 3-6 are top, bottom, rear and left side views of the muffler fan of FIG. 1;

fig. 7 is a top view of the hanging neck fan shown in fig. 1 with the top wall removed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to 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. 1 to 7, fig. 1 is a schematic perspective view of a neck hanging fan 30 according to the present invention;

fig. 2 is an exploded perspective view of the neck hanging fan 30 shown in fig. 1; fig. 3 to 6 are a top view, a bottom view, a rear side view and a left side view of the muffler type fan 30 shown in fig. 1; fig. 7 is a plan view of the muffler type fan 30 shown in fig. 1 with the top wall 32d removed.

The hanging neck type fan 30 comprises an arc-shaped shell 32 and at least three groups of fan components 34. The arc-shaped housing 32 can be worn at the neck of a human body, the arc-shaped housing 32 has a receiving cavity 320, an air inlet 321 and an air outlet 322 which are communicated with the receiving cavity 320, at least two partition plates 36 are further arranged in the receiving cavity 320, the at least two partition plates 36 divide the receiving cavity 320 into at least three receiving portions 329 which are sequentially arranged along the extending direction of the arc-shaped housing 32, and each receiving portion 329 corresponds to a part of the air inlet 321 and a part of the air outlet 322; the at least three sets of fan assemblies 34 are respectively located in the at least three receiving portions 329, and each fan assembly 34 is configured to guide the wind from the wind inlet 321 corresponding to the receiving portion 329 where it is located to the wind outlet 322 corresponding to the receiving portion 329 and blow out the wind.

Compared with the prior art, in the hanging neck fan 30 of the above embodiment, the arc-shaped housing 32 has a receiving cavity 320, and an air inlet 321 and an air outlet 322 communicated with the receiving cavity 320; the at least three sets of fan assemblies 34 are located in the receiving cavity 320 and sequentially arranged along the extending direction of the arc-shaped housing 32, and the at least three sets of fan assemblies 34 can guide the wind from the wind inlet 321 to the wind outlet 322 for blowing out. Because the fan assembly 34 is located in the accommodating cavity 320, foreign matters such as hair are not easy to be drawn into the fan assembly 34, and the safety and the convenience of use can be improved, the at least three groups of fan assemblies 34 are located in at least three accommodating parts 329 arranged along the extending direction, and the air outlet concentration can be reduced due to the movement of the air in each accommodating part 329, so that the air outlet is more comfortable. In addition, in the above-mentioned neck hanging fan 30, it is also convenient to set the wind intensity, the size of the storage part 329, the size/number of the air inlet/outlet corresponding to the storage part 329, etc. so that the air outlet of each storage part 329 is the same or different, and the requirements of different users are met.

It will be appreciated that the arcuate housing 32 is generally U-shaped. Further, the thickness of both ends of the arc-shaped housing 32 is smaller than the width of both ends of the arc-shaped housing 32 as viewed in a cross section perpendicular to the extending direction of the arc-shaped housing 32. Because the thickness at both ends of arc shell 32 is less for can not be too close to user's face when wearing, it is higher to wear the comfort level.

Further, the thickness of the middle portion of the arc-shaped shell 32 is smaller than the width of the middle portion of the arc-shaped shell 32 and/or the width of the middle portion of the arc-shaped shell 32 is smaller than the width of the two ends of the arc-shaped shell 32 when viewed in a cross section perpendicular to the extending direction of the arc-shaped shell 32. Specifically, the thickness of the middle of the arc-shaped shell 32 may be substantially the same as the thickness of the two ends of the arc-shaped shell 32, the width of the middle of the arc-shaped shell 32 may also be substantially the same as the width of the two ends of the arc-shaped shell 32, and then the thickness of the middle of the arc-shaped shell 32 is smaller than the width of the two ends of the arc-shaped shell 32, so that the thickness of the middle of the arc-shaped shell 32 is smaller, and then the comfort level of the user wearing is higher. Furthermore, the width of the middle portion of the arc-shaped shell 32 can be smaller than the width of the two ends of the arc-shaped shell 32, so that when the novel glasses are worn, the width of the back neck portion is smaller, and the wearing comfort can be improved.

The accommodating cavity 320 is further provided with a guide plate 391, one end of the guide plate 391 is connected to the partition plate 36, the other end of the guide plate 391 extends into the corresponding accommodating part 329 and is adjacent to the fan assembly 34, the accommodating part 329 is divided into an air inlet area 320d corresponding to the air inlet 321 and an air outlet area 320e corresponding to the air outlet 322 by the guide plate 391, and the fan assembly 34 is located between the air inlet area 320d and the air outlet area 320 e; the guide plate 391 includes an arc part 391a protruding toward the blowing-out section 320d

The accommodating part 329 is further provided with a guide plate 391, the guide plate 391 divides the accommodating part 329 into an air inlet area 329c corresponding to the air inlet 321 and an air outlet area 329d corresponding to the air outlet 322, and the fan assembly is located between the air inlet area 329c and the air outlet area 329 d; the guide plate 391 includes an arc-shaped part 391a protruding toward the air intake area 329 c. It can be understood that, by the arrangement of the guide plate 391, the adverse effect between the inlet and outlet air can be reduced, and the inlet and outlet air efficiency can be improved. Furthermore, the guide plate 391 comprises an arc-shaped part 391a protruding towards the air outlet area, so that the effects of effectively guiding air inlet, reducing noise, uniformly discharging air and the like can be achieved. It is understood that the guiding plate 391 and the partition 38 may be fixedly connected to the inner surface of the arc-shaped casing 32 and may be integrally formed with at least a portion of the arc-shaped casing 32, but it is not excluded that the guiding plate and the partition may be separately formed from the arc-shaped casing 32 and then fixed to the arc-shaped casing 32 by gluing, thermal welding or other fixing elements.

Specifically, the arc-shaped casing 32 may be divided into a first portion 323 and a second portion 324 opposite to the first portion 323, the first portion 323 and the second portion 324 are respectively used for being located at two sides of the neck of the human body, the receiving cavity 320 includes a first receiving cavity 320a located in the first portion 323 and a second receiving cavity 320b located in the second portion 324, the at least three sets of fan assemblies 34 include at least two sets of first fan assemblies 341 and at least two sets of second fan assemblies 342, the partition 36 includes a first partition 361 and a second partition 362, the first partition 361 is located in the first receiving cavity 320a and divides the first receiving cavity 320a into at least two first receiving portions 329a, the second partition 322 is located in the second receiving cavity 320b and divides the second receiving cavity 320b into at least two second receiving portions 329b, the at least two first receiving portions 329a are disposed along the extending direction of the first portion 323 and respectively receive the at least two sets of first fan components 341, and the at least two second receiving portions 329b3 are disposed along the extending direction of the second portion 324 and respectively receive the at least two sets of second fan components. It can be understood that, through setting up first accomodate the part with the second accomodates part and corresponding first fan unit 341 and second fan unit 342, not only can avoid the air-out too concentrated, and then the air-out is comfortable, also can improve whole air output, reaches better cooling, enjoys the cool effect.

A first receiving portion 329a of the first receiving cavity 320a adjacent to the second receiving cavity 320b may communicate with a second receiving portion 329b of the second receiving cavity 320b adjacent to the first receiving cavity 320 a. It can be understood that the first receiving portion 329a adjacent to the nape of the human body communicates with the second receiving portion 329b, so that the wind inlet and outlet at the nape is more uniform. Further, the guide plates 391 in the two communicating

housing parts

329a and 329b may also be connected together, so that the overall strength is better.

Further, the first partition 361 includes at least two, at least two of the first partitions 361 dividing the first receiving chamber 320a into three first receiving portions 329 a; the second partition 362 includes at least two, and the second receiving chamber 320b is divided into three second receiving portions 329b by the at least two second partitions 362. It can be understood that the design of the first partition 361, the second partition 362, the first storage portion 329a and the second storage portion 329b in the above number is beneficial to the higher air output and the more uniform air output of the whole hanging neck type fan 30, and the balance weight, so as to improve the wearing comfort.

It is to be understood that, in the present embodiment, the number of the first partitions 361 is three, and in addition to two first partitions 361 located between two adjacent first receiving portions 329a, one first partition 361 is further provided in the first receiving chamber 320a adjacent to the end of the arc housing 32. It is to be understood that, in the present embodiment, the number of the second partitions 362 is three, and one second partition 362 is provided in the second receiving chamber 320b adjacent to the end of the arc-shaped housing 32 in addition to two second partitions 362 located between adjacent two of the second receiving portions 329 b.

In some embodiments, the first partition 361 may be an arc-shaped partition that is bent toward an end of the first portion 323 away from the second portion 324; the second baffle 362 may also be an arcuate baffle that curves toward the end of the second portion 324 distal from the first portion 323. It can be understood that the arc-shaped partition plate is also helpful for achieving the effects of effectively guiding the air to enter and exit, reducing noise, uniformly discharging air and the like.

It is understood that the first portion 323 and the second portion 324 may include three receiving

portions

329a and 329b, and each receiving

portion

329a and 329b receives one fan assembly 34, so that the first portion 323 and the second portion 324 can receive three sets of fan assemblies 34, in this embodiment, the number of the fan assemblies 34 may be six, three sets of fan assemblies are located in the three first receiving portions 329a of the first portion 323, and three other sets of fan assemblies 324 are located in the three second receiving portions 329b of the second portion 324. However, in other embodiments, each receiving

portion

329a and 329b may receive a different number of fan assemblies 34, and is not limited to the above.

In some embodiments, the fan structures of the first fan assembly 341 are the same as the fan structures of the second fan assembly 342, and the fan structures of the first fan assembly 341 rotate in the opposite direction to the fan structures of the second fan assembly 342. It can be understood that, since the first fan assembly 341 and the second fan assembly 342 are disposed opposite to each other and are respectively located at two sides of the neck of the human body, the fan blades have the same structure but different rotation directions, which is not only convenient for assembly, but also enables the air flow in the two receiving

portions

329a and 329b to be substantially symmetrical and to face the neck of the human body, thereby achieving the technical effect of more uniform air outlet.

In other embodiments, the fan blade structures of the first fan assembly and the second fan assembly are disposed in an axisymmetrical manner (not shown), and the rotation directions of the fan blade structures of the first fan assembly and the second fan assembly are the same. It can be understood that, because first fan assembly with second fan assembly sets up relatively and is located the both sides of human neck respectively, and flabellum structure symmetry direction of rotation is the same, can facilitate the use of the same different flabellum structures of motor drive, still can make two wind currents of accomodating in the

part

329a, 329b roughly symmetrical and towards human neck, reach the technological effect of comparatively even air-out.

Each fan assembly 34 includes a mounting shaft 34a and fan blades 34b mounted on the mounting shaft 34a, and the mounting shaft 34a of the fan assembly 34 extends in the same direction as the thickness of the arc-shaped casing 32. It can be understood that, by the extending direction of the mounting shaft 34a being consistent with the thickness direction of the arc-shaped casing 32, the thickness of the arc-shaped casing 32 is reduced, and the wearing comfort is improved.

In addition, the fan assembly 34 is a turbofan assembly, and it can be understood that the turbofan assembly has the effects of uniform air outlet, low noise and the like, and the air inlet and

outlet

321, 322 and the receiving portion 329 are matched to achieve a better air outlet effect. The air outlet 321 is disposed on a side of the top wall 32d adjacent to the neck of the human body. Further, the air outlet 322 disposed on the top wall 32d is matched to achieve the effects of high air outlet efficiency, large air volume and the like. Furthermore, the switch and/or the rotation speed of each fan assembly 34 in each receiving portion 329 can be independently adjusted, so that a user can control the switch and the air volume of the fan assembly 34 at a corresponding position according to needs, and the user experience is improved.

Specifically, the first portion 323 and the second portion 324 of the arc-shaped casing 32 each include an inner side wall 32a for approaching the neck of a human body, an outer side wall 32b located on the back side of the inner side wall 32a, a bottom wall 32c connected to the inner side wall 32a and the outer side wall 32b, and a top wall 32d connected between the inner side wall 32a and the outer side wall 32b and opposite to the bottom wall 32c, wherein the inner side wall 32a, the outer side wall 32b, the bottom wall 32c, and the top wall 32d enclose the receiving cavity 320, the receiving cavity 320 extends along the extending direction of the arc-shaped casing 32, the air inlet 321 is disposed on the outer side wall 32b, and the air outlet 322 is disposed on a side of the top wall 32d adjacent to the neck of the human. It can be understood that, through the air inlet 321 of the outer side wall 32b and the air outlet 322 of the top wall 32d, the fan assembly 34 directly rotates to guide the air from the air inlet 321 into the air outlet 322 for discharging, so that the air duct is shorter, the air volume loss is smaller, and the wind power efficiency is higher.

It can be understood that the number of the air inlets 321 is plural, and the plural air inlets 321 are arranged in the extending direction of the arc-shaped housing 32. It can be understood that the plurality of air inlets 321 can make the air inlet range larger and the wind power efficiency higher. Further, the plurality of air inlets 321 are uniformly distributed, so that air outlet is more uniform. The number of the air inlets 321 corresponding to each fan assembly 34 is the same, so that the air outlet is more uniform.

Further, in some embodiments, the air inlet 321 includes at least two adjacently disposed air inlet portions 321 a; the outer sidewall 32b includes a sidewall body 321c having an opening region 321b and a connecting portion 321d located in the opening region 321b and connected to the sidewall body 321c, wherein the at least two air inlet portions 321a are formed between the connecting portion 321d and the sidewall body 321 c. It can be understood that the air inlet part 321a is formed in the above manner, the uniformity of inlet air can be improved, the uniformity of outlet air can be improved, and the structure is simple and easy to manufacture, so that the cost is not increased easily. In this embodiment, the connecting portion 321d is substantially cross-shaped, and the air inlet 321 is divided into four air inlet portions 321a by the connecting portion 321d, but it can be understood that the shape of the connecting portion 321d is not limited to the cross-shaped, and the number of the air inlet portions 321a is not limited to four.

Further, the outer sidewall 32b is further provided with an air inlet blocking plate 392, and the air inlet blocking plate 392 is installed corresponding to the opening region 321b, so that the wind can enter the receiving cavity 320 through the area between the air inlet blocking plate 392 and the sidewall body 321c and the air inlet portion 321 a. It can be understood that, through the air inlet baffle 392, not only can the safety of air inlet and outlet be improved, but also the appearance is beautiful and comfortable.

Further, in some embodiments, the number of the air outlets 322 is multiple, and the multiple air outlets 322 are arranged in the extending direction of the arc-shaped housing 32. It can be understood that the air outlets 322 make the air outlet more uniform. Further, the plurality of air outlets are 322 a plurality of strip-shaped air outlets parallel to each other, and the extending direction of the strip-shaped air outlets 322 intersects (e.g., approximately perpendicularly intersects) the extending direction of the arc-shaped housing 32. It can be understood that the above design of the air outlet 322 in the extending direction can achieve better air guiding effect by matching the fan assembly 34 with the extending direction of the mounting shaft 34a along the thickness direction of the arc-shaped housing 32. Furthermore, the air outlets 322 are uniformly arranged; the plurality of air outlets 322 are arranged in a U-shape. It can be understood that the U-shaped outlets 322 make the covering range of the outlets of the hanging neck fan 30 larger, the air output is better, and the uneven air output can be improved. In addition, a plurality of air outlet 322 evenly arranges for the air-out is more even.

In the muffler type fan 30, the outer surface of the bottom wall 32c away from the top wall 32d may be an arc surface 3203 concave toward the receiving cavity 320; in a direction from one end of the arc-shaped housing 32 to the middle portion of the arc-shaped housing 32, the concave curvature of the arc-shaped surface 3203 gradually increases and then gradually decreases, so that the bottom walls 32c of the first portion 323 and the second portion 324 are both approximately high at the middle and low at both sides. It can be understood that the design of the curvature can be more suitable for the curve of the shoulder and the neck of the human body, and the effect of wearing comfort is achieved.

Further, the outer surface 3204 of the top wall 32d away from the bottom wall 32c may be in the same shape as the arc surface 3203 and parallel to each other, and the outer surface 3204 of the top wall 32d is also high in the middle and low on both sides. It can be understood that the design of the curvature can be more suitable for the curve of the shoulder and the neck of the human body, and the effect of wearing comfort is achieved. In addition, the hanging neck type fan 30 further includes a switch key 381, a power indicator 382, a circuit board 383 and a battery 384, wherein the switch key 381 is disposed on the outer sidewall 32b and adjacent to an end of the arc-shaped casing 32. The operation of a user can be facilitated, and the air inlet and the air outlet are not influenced. The power indicator 382 is disposed adjacent to the switch key 381 and on the outer sidewall 32 b. The circuit board 383 may be adjacent to the switch key 381 and located in the receiving portion 329. The battery 384 may also be located in the receiving portion 329 and between the two fan assemblies 34. It is understood that the above design can facilitate the installation and routing of the switch key 381, the corresponding power indicator 382, the circuit board 383 and the battery 384. However, in a modified embodiment, the power indicator lamp 382 may be omitted.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will 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 invention.

Claims

1. The utility model provides a hang neck formula fan which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the arc-shaped shell can be worn at the neck of a human body, the arc-shaped shell is provided with a containing cavity, an air inlet and an air outlet, the air inlet and the air outlet are communicated with the containing cavity, at least two partition plates are further arranged in the containing cavity, the containing cavity is divided into at least three containing parts sequentially arranged along the extending direction of the arc-shaped shell through the at least two partition plates, and each containing part corresponds to a part of the air inlet and a part of the air outlet; and

at least three sets of fan components, the at least three sets of fan components are respectively located in the at least three receiving parts, and the fan components are used for guiding the wind of the wind inlets corresponding to the receiving parts to the wind outlets corresponding to the receiving parts and blowing out the wind.

2. The hanging neck fan of claim 1, wherein: and when viewed from the cross section perpendicular to the extension direction of the arc-shaped shell, the thickness of the two ends of the arc-shaped shell is smaller than the width of the two ends of the arc-shaped shell.

3. The hanging neck type fan as claimed in claim 2, wherein: and when viewed from the cross section perpendicular to the extension direction of the arc-shaped shell, the thickness of the middle part of the arc-shaped shell is smaller than the width of the middle part of the arc-shaped shell and/or the width of the middle part of the arc-shaped shell is smaller than the widths of two ends of the arc-shaped shell.

4. The hanging neck fan of claim 1, wherein: the accommodating part is also provided with a guide plate, the guide plate divides the accommodating part into an air inlet area corresponding to the air inlet and an air outlet area corresponding to the air outlet, and the fan assembly is positioned between the air inlet area and the air outlet area; the guide panel includes an arc portion protruding toward the air intake area.

5. The hanging neck fan of claim 1, wherein: the arc-shaped shell comprises a first part and a second part arranged opposite to the first part, the first part and the second part are respectively used for being positioned at two sides of the neck of a human body, the containing cavities comprise a first containing cavity positioned in the first part and a second containing cavity positioned in the second part, the at least three groups of fan components comprise at least two groups of first fan components and at least two groups of second fan components, the partition plates comprise a first partition plate and a second partition plate, the first partition plate is positioned in the first containing cavity and divides the first containing cavity into at least two first containing parts, the second partition plate is positioned in the second containing cavity and divides the second containing cavity into at least two second containing parts, and the at least two first containing parts are arranged along the extending direction of the first part and respectively contain the at least two groups of first fan components, the at least two second receiving portions are arranged along the extending direction of the second portions and respectively receive the at least two groups of second fan assemblies.

6. The hanging neck fan of claim 5, wherein: a first receiving portion of the first receiving cavity adjacent to the second receiving cavity communicates with a second receiving portion of the second receiving cavity adjacent to the first receiving cavity.

7. The hanging neck fan of claim 5, wherein: the first partition plate comprises at least two, and the first receiving cavity is divided into three first receiving parts by the at least two first partition plates; the second partition plate includes at least two, and the at least two second partition plates divide the second receiving chamber into three second receiving portions.

8. The hanging neck fan of claim 5, wherein: the first baffle is an arc-shaped baffle bent towards the end part of the first part far away from the second part; the second baffle is an arc-shaped baffle bent towards the end of the second part away from the first part.

9. The hanging neck fan of claim 5, wherein: the fan blade structure of the first fan assembly is the same as that of the second fan assembly, and the rotating directions of the fan blade structure of the first fan assembly and that of the fan blade structure of the second fan assembly are opposite.

10. The hanging neck fan of claim 5, wherein: the fan blade structure of the first fan component and the fan blade structure of the second fan component are arranged in an axial symmetry mode, and the rotating directions of the fan blade structure of the first fan component and the fan blade structure of the second fan component are the same.

11. The hanging neck fan of claim 1, wherein: each fan assembly comprises an installation shaft and fan blades installed on the installation shaft, and the extending direction of the installation shaft of the fan assembly is consistent with the direction of the thickness of the arc-shaped shell.

12. The hanging neck fan of claim 1, wherein: the arc shell is including being used for being close to human neck inside wall, being located the dorsal lateral wall of inside wall, connect in the inside wall with the diapire of lateral wall, connect in the inside wall with between the lateral wall and with the roof that the diapire is relative, the inside wall the lateral wall the diapire reaches the roof encloses into the storage chamber, the storage chamber is followed the extending direction of arc shell extends, the air intake set up in on the lateral wall, the air outlet set up in the roof with at least one in the inside wall.

13. The hanging neck fan of claim 12, wherein: the number of the air inlets is multiple, and the multiple air inlets are arranged in the extending direction of the arc-shaped shell; the plurality of air inlets are uniformly distributed; the number of the air inlets corresponding to each fan assembly is the same.

14. The hanging neck fan of claim 12, wherein: the air inlet comprises at least two air inlet parts which are arranged adjacently; the outer side wall comprises a side wall main body with an opening area and a connecting part which is positioned in the opening area and is connected with the side wall main body, and the at least two air inlet parts are formed between the connecting part and the side wall main body; the lateral wall still is provided with the air inlet separation blade, the air inlet separation blade corresponds the open region installation for wind can via the air inlet separation blade with region between the lateral wall main part the air inlet part gets into accomodate the chamber.

15. The hanging neck fan of claim 12, wherein: the number of the air outlets is multiple, and the air outlets are arranged in the extending direction of the arc-shaped shell; the plurality of air outlets are a plurality of strip-shaped air outlets which are parallel to each other, and the extending direction of the strips of the air outlets is intersected with the extending direction of the arc-shaped shell; the air outlets are uniformly distributed; the air outlets are arranged in a U shape.

16. The hanging neck fan of claim 12, wherein: the outer surface of the bottom wall, which is far away from the top wall, is an arc surface which is concave towards the accommodating cavity; the concave curvature of the arc surface is gradually increased and then gradually decreased along the direction from one end part of the arc shell to the middle part of the arc shell.

17. The hanging neck fan of claim 12, wherein: the hanging neck type fan further comprises a switch key, and the switch key is arranged on the outer side wall and is adjacent to the end part of the arc-shaped shell; the hanging neck type fan further comprises a power indicator light, and the power indicator light is adjacent to the switch key and arranged on the outer side wall; the fan assembly is a turbofan assembly; the air outlet is arranged on one side of the top wall, which is adjacent to the neck of the human body.

18. The hanging neck fan of claim 1, wherein: the switch and/or the rotating speed of each fan assembly in each receiving part can be independently adjusted.