WO2022032721A1

WO2022032721A1 - Neck hanging fan

Info

Publication number: WO2022032721A1
Application number: PCT/CN2020/110958
Authority: WO
Inventors: 李享福
Original assignee: 深圳市几素科技有限公司
Priority date: 2020-08-14
Filing date: 2020-08-25
Publication date: 2022-02-17
Also published as: CN213450914U

Abstract

A neck hanging fan (30), comprising an arc-shaped shell (32) and at least three fan assemblies (34). The arc-shaped shell (32) has an accommodating cavity (320), and a plurality of air inlets (321) and a plurality of air outlets (322) communicated with the accommodating cavity (320); at least two partition plates (36) are further provided in the accommodating cavity (320); the at least two partition plates (36) divide the accommodating cavity (320) into at least three accommodating parts (329) which are sequentially arranged in an extending direction of the arc-shaped shell (32); each accommodating part (329) corresponds to at least one air inlet (321) and at least one air outlet (322); the at least three fan assemblies (34) are located in the at least three accommodating parts (329), respectively, and are used for guiding air of the air inlets (321) corresponding to the accommodating parts (329) to the corresponding air outlets (322) to be blown out. The neck hanging fan has improved safety in usage and reduced air blowing concentration.

Description

hanging neck fan

technical field

The invention relates to the field of fans, in particular to a neck hanging fan.

Background technique

In recent years, people are increasingly pursuing a more convenient life. In order to meet the needs of practical fans for outdoor activities or other life scenarios, various portable fans have appeared on the market, such as hanging neck fans. The emergence of hanging neck fans solves the limitations of activities brought by hand-held fans. Whether it is sports, outdoor activities or office use scenarios, hanging neck fans can free the user's hands, and can be used to blow air anytime, anywhere without holding hands. Effect.

In the existing hanging neck fans, there are generally fan assemblies with two exposed blades disposed at both ends of the hanging neck. This kind of fan assembly is not only less safe, easy to get caught in the hair, etc., but also has the problem of excessive ventilation. It is necessary to improve the problems such as discomfort caused by the concentration of the wind.

SUMMARY OF THE INVENTION

In view of this, the present invention provides a hanging neck fan with high safety and comfortable air discharge.

An embodiment of the present invention provides a neck-mounted fan, which includes an arc-shaped casing and at least three sets of fan assemblies, the arc-shaped casing can be worn on the neck of a human body, and the arc-shaped casing has a storage cavity, which is connected to the storage chamber. A plurality of air inlets and a plurality of air outlets are communicated with the cavity, and at least two partitions are also arranged in the receiving cavity, and the at least two partitions divide the receiving cavity into the extending direction of the arc-shaped shell. At least three storage parts arranged in sequence, each storage part corresponds to at least one said air inlet and at least one said air outlet; said at least three sets of fan assemblies are respectively located in said at least three storage parts, said fan The assembly is used for guiding the wind from the air inlet corresponding to the storage portion to the air outlet corresponding to the storage portion for blowing out.

Compared with the prior art, in the neck-mounted fan of the above-mentioned embodiment, the arc-shaped casing has a storage cavity and a plurality of air inlets and outlets communicated with the storage cavity; the at least three sets of fans The components are located in the receiving cavity and are arranged in sequence along the extending direction of the arc-shaped housing, and the at least three sets of fan components can guide the wind from the air inlet to the air outlet for blowing out. Since the fan assembly is located in the storage cavity, foreign objects such as hair are not easily drawn into the fan assembly, and the safety and convenience of use can be improved. In some parts, since the wind moves in each storage part, the concentration of the air outlet can be reduced, making the air outlet more comfortable. In addition, in the hanging neck fan of the above structure, it is also convenient to set the wind strength, the size of the storage part, the size/number of the air inlet and outlet corresponding to the storage part, etc., so that the air outlet of each storage part is the same or different to meet the needs of different users need.

Further, in some embodiments, viewed along a cross section perpendicular to the extending direction of the arc-shaped casing, the thickness of both ends of the arc-shaped casing is smaller than the width of both ends of the arc-shaped casing. Since the thickness of the two ends of the arc-shaped shell is relatively small, it is not too close to the user's face when wearing, and the wearing comfort is high.

Further, in some embodiments, viewed along a section perpendicular to the extending direction of the arc-shaped casing, the thickness of the middle portion of the arc-shaped casing is smaller than the width of the middle portion of the arc-shaped casing and/or the middle portion of the arc-shaped casing The width is smaller than the width of both ends of the arc-shaped housing. Specifically, the thickness of the middle part of the arc-shaped casing may be substantially the same as the thickness of both ends of the arc-shaped casing, and the width of the middle part of the arc-shaped casing may also be substantially the same as the width of both ends of the arc-shaped casing, and the arc-shaped casing The thickness of the middle part of the arc-shaped shell is smaller than the width of the two ends of the arc-shaped shell, so that the thickness of the middle part of the arc-shaped shell is smaller, and the wearing comfort of the user is higher. Further, the width of the middle part of the arc-shaped shell can also be smaller than the width of both ends of the arc-shaped shell, and thus when wearing, the smaller width of the back neck can also help to increase wearing comfort.

Further, in some embodiments, the receiving portion is further provided with a guide plate, and 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 , the fan assembly is located between the air inlet area and the air outlet area; the guide plate includes an arc portion protruding toward the air inlet area. It can be understood that, through the arrangement of the guide plate, the adverse effects between the incoming and outgoing air can be reduced, and the efficiency of the incoming and outgoing air can be improved. Further, the guide plate includes an arc-shaped portion protruding toward the air outlet area, which can also achieve the effects of effectively guiding the air intake, reducing noise, and evenly venting the air.

Further, in some embodiments, the arc-shaped housing includes a first part and a second part opposite to the first part, the first part and the second part are respectively used to be located on both sides of the neck of the human body , the receiving cavity includes a first receiving cavity located in the first part and a second receiving cavity located in the second part, and the at least three sets of fan assemblies include at least two sets of first fan assemblies and at least two sets of The second fan assembly, the baffle plate includes a first baffle plate and a second baffle plate, the first baffle plate is located in the first storage cavity and divides the first storage cavity into at least two first storage chambers part, the second partition is located in the second receiving cavity and divides the second receiving cavity into at least two second receiving parts, the at least two first receiving parts extend along the first part The at least two sets of first fan assemblies are arranged in a direction and respectively receive the at least two sets of the first fan assemblies, and the at least two second receiving parts are disposed along the extending direction of the second parts and respectively receive the at least two sets of the second fan assemblies. It can be understood that by arranging the first storage part and the second storage part and the corresponding first fan assembly and the second fan assembly, it can not only avoid the excessive concentration of the air outlet, so that the air outlet is comfortable, but also can improve the overall air outlet volume. , to achieve better cooling and cooling effect.

Further, in some embodiments, 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. It can be understood that the first receiving portion adjacent to the back neck of the human body communicates with the second receiving portion, so that the air entering and leaving the back neck is more uniform.

Further, in some embodiments, the first partition plate includes at least two, and the at least two first partition plates divide the first storage cavity into three first storage parts; The second partition includes at least two partitions, and the at least two second partitions divide the second storage cavity into three second storage parts. It can be understood that the design of the above number of the first clapboard, the second clapboard, the first storage part and the second storage part is conducive to the higher air output, more uniform air output of the entire hanging neck fan, and balanced weight. Improve wearing comfort.

Further, in some embodiments, the first partition is an arc-shaped partition that is bent toward the end of the first part away from the second part; the second partition is toward the second part An arcuate baffle curved at the end away from the first portion. Further, the arc-shaped partition plate also helps to effectively guide the incoming and outgoing air, reduce noise, and evenly discharge the air.

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 fan blade structure of the first fan assembly is the same as that of the second fan assembly. The rotation direction of the fan blade structure is opposite. It can be understood that since the first fan assembly and the second fan assembly are disposed opposite to each other and are located on both sides of the neck of the human body, the fan blades have the same structure but different rotation directions, which not only facilitates assembly, but also allows the two storage parts The wind flow is roughly symmetrical and faces the neck of the human body to achieve the technical effect of more uniform wind discharge.

Further, in some embodiments, the fan blade structure of the first fan assembly and the fan blade structure of the second fan assembly are axially symmetrical, and the fan blade structure of the first fan assembly and the second fan assembly are axially symmetrical. The rotation directions of the fan blade structures of the fan assembly are the same. It can be understood that since the first fan assembly and the second fan assembly are disposed opposite to each other and are located on both sides of the neck of the human body, the fan blade structure has the same symmetrical rotation direction, and it is convenient to use the same motor to drive different fan blade structures. The wind flow in the two receiving parts can also be made to be roughly symmetrical and toward the neck of the human body, so as to achieve the technical effect of more uniform wind discharge.

Further, in some embodiments, each of the fan assemblies includes a mounting shaft and a fan blade mounted on the mounting shaft, and the extension direction of the mounting shaft of the fan assembly is at the position where the thickness of the arc-shaped housing is located. the same direction. It can be understood that the extension direction of the installation shaft is consistent with the thickness direction of the arc-shaped casing, which helps to reduce the thickness of the arc-shaped casing and improve wearing comfort.

Further, the arc-shaped shell includes an inner side wall close to the neck of the human body, an outer side wall located on the back side of the inner side wall, a bottom wall connected to the inner side wall and the outer side wall, and a bottom wall connected to the inner side wall and the outer side wall. The top wall between the outer side walls and opposite to the bottom wall, the inner side wall, the outer side wall, the bottom wall and the top wall enclose the storage cavity, and the storage cavity is along the The extension direction of the arc-shaped housing extends, the air inlet is arranged on the outer side wall, and the air outlet is arranged on the side of the top wall adjacent to the neck of the human body. It can be understood that through the air inlet of the outer side wall and the air outlet of the top wall, the fan assembly can directly rotate the air from the air inlet to the air outlet and discharge it, so that the air duct is short, the air volume loss is small, and the wind efficiency is high.

Further, in some embodiments, a plurality of the air inlets are arranged in the extending direction of the arc-shaped housing. It can be understood that the multiple air inlets can make the air intake range larger and the wind efficiency higher. Further, a plurality of the air inlets are evenly arranged, which can make the air outlet more uniform. The number of the air inlets corresponding to each of the fan assemblies is the same, which can also make the air outlet more uniform.

Further, in some embodiments, each receiving portion corresponds to a plurality of the air inlets, and the air inlets include at least two adjacent air inlet portions; the outer sidewall includes a sidewall body having an opening area and a The opening area is connected to the connecting portion of the side wall body, and the at least two air inlet portions are formed between the connecting portion and the side wall body. It can be understood that forming the air inlet portion in the above manner can improve the uniformity of the air inlet and also help to improve the uniformity of the air outlet, and the above structure is also relatively simple and easy to manufacture, and it is not easy to increase the cost. Further, the outer side wall is also provided with an air inlet baffle, and the air inlet baffle is installed corresponding to the opening area, so that the wind can pass through the area between the air inlet baffle and the side wall body, and the air inlet. The wind part enters the receiving cavity. It can be understood that the wind inlet baffle can not only improve the safety of the wind in and out, but also make the appearance beautiful and comfortable.

Further, in some embodiments, a plurality of the air outlets are arranged in the extending direction of the arc-shaped housing. It can be understood that the multiple air outlets make the air out more uniform. Further, the plurality of the air outlets are a plurality of mutually parallel bar-shaped air outlets, and the extending direction of the bars of the air outlets intersects with the extending direction of the arc-shaped housing. It can be understood that the design of the air outlet in the above extension direction and the fan assembly in which the extension direction of the installation shaft is along the thickness direction of the arc-shaped casing can achieve a better air guiding effect.

Further, the plurality of air outlets are evenly arranged; the plurality of air outlets are arranged in a U shape. It can be understood that the plurality of air outlets arranged in a U shape makes the neck-mounted fan air outlet cover a larger range, has a better air output, and can also improve the uneven air output. Further, a plurality of the air outlets are evenly arranged, so that the air outlet is more uniform.

Further, in some embodiments, the outer surface of the bottom wall away from the top wall is a concave arc-shaped surface facing the receiving cavity; along one end of the arc-shaped casing to the arc-shaped casing In the direction of the middle portion, the concave curvature of the arc-shaped surface gradually becomes larger and then gradually becomes smaller. It can be understood that the above curvature design can be more suitable for the curve of the shoulder and neck of the human body, so as to achieve the effect of wearing comfort.

Further, the hanging neck fan further includes a switch button, and the switch button is disposed on the outer side wall and is adjacent to an end of the arc-shaped housing. It is convenient for users to operate, and does not affect the incoming and outgoing air.

Further, in some embodiments, the hanging neck fan further includes a power indicator light, and the power indicator light is adjacent to the switch button and disposed on the outer side wall. It can be understood that the above design can facilitate the installation and wiring of the switch button and the corresponding power indicator light.

Further, in some embodiments, the fan assembly is a turbo fan assembly. It can be understood that the use of the turbo fan assembly has the effects of uniform air output and lower noise, and in conjunction with the air inlet, air outlet, and storage portion, it can be To achieve better ventilation effect. . The air outlet is arranged on a side of the top wall adjacent to the neck of the human body. Further, in cooperation with the air outlet provided on the top wall, effects such as higher air outlet efficiency and larger air volume can also be achieved.

Further, in some embodiments, the switch and/or the rotational speed of each fan assembly in each of the storage parts can be independently adjusted, so that the user can control the switch and air volume of the fan assembly at the corresponding position according to the needs, so as to improve the performance of the fan assembly. user experience.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative work.

Fig. 1 is the three-dimensional structure schematic diagram of the hanging neck type fan of the present invention;

Figures 2-5 are the top view, bottom view, rear side view and left side view of the hanging neck fan shown in Figure 1;

Fig. 6 is a perspective exploded schematic view of the hanging neck fan shown in Fig. 1;

FIG. 7 is a top view of the hanger fan shown in FIG. 1 with the top wall removed.

detailed description

The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in 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. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The terms "first", "second" and "third" in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices.

Please refer to FIGS. 1 to 7. FIG. 1 is a schematic three-dimensional structure diagram of the neck-mounted fan 30 of the present invention; 6 is an exploded perspective view of the hanging neck fan 30 shown in FIG. 1; FIG. 7 is a top view of the hanging neck fan 30 shown in FIG. 1 with the top wall 32d removed.

The hanging neck fan 30 includes an arc-shaped casing 32 and at least three sets of fan assemblies 34 . The arc-shaped casing 32 can be worn on the neck of the human body, and the arc-shaped casing 32 has a receiving cavity 320 , an air inlet 321 and an air outlet 322 communicating with the receiving cavity 320 , and the air inlet 321 and the air outlet 322 can be multiple, and at least two partitions 36 are also provided in the receiving cavity 320 , and the at least two partitions 36 divide the receiving cavity 320 into successively along the extending direction of the arc-shaped housing 32 . The provided at least three receiving parts 329, each receiving part 329 corresponds to a part of the air inlet 321 (such as at least one of the air inlets 321) and part of the air outlet 322 (such as at least one of the air outlets 322); The at least three sets of fan assemblies 34 are respectively located in the at least three receiving parts 329, and each of the fan assemblies 34 is used to guide the wind from the air inlet 321 corresponding to the receiving part 329 where it is located. The air outlet 322 corresponding to the receiving portion 329 blows out.

Compared with the prior art, in the hanging neck fan 30 of the above-mentioned embodiment, the arc-shaped housing 32 has a storage cavity 320 and an air inlet 321 and an air outlet 322 communicating with the storage cavity 320; the at least three A group of fan assemblies 34 are located in the receiving cavity 320 and are arranged in sequence along the extending direction of the arc-shaped housing 32 . The at least three groups of fan assemblies 34 can guide the wind from the air inlet 321 to the air outlet 322 blow out. Since the fan assembly 34 is located in the receiving cavity 320, foreign objects such as hair are not easily drawn into the fan assembly 34, which can improve the safety and convenience of use. The at least three sets of fan assemblies 34 are located along the extending direction. In at least three of the storage portions 329, the wind movement in each of the storage portions 329 can reduce the concentration of the outlet air, making the outlet air more comfortable. In addition, in the hanging neck fan 30 of the above structure, it is also convenient to set the wind strength, the size of the storage part 329, the size/number of the air inlet and outlet corresponding to the storage part 329, etc., so that the air outlet of each storage part 329 is the same or different, Meet the needs of different users.

It can be understood that the arc-shaped housing 32 is generally U-shaped. Further, viewed from a cross section perpendicular to the extending direction of the arc-shaped casing 32 , the thickness of the two ends of the arc-shaped casing 32 is smaller than the width of the two ends of the arc-shaped casing 32 . Because the thickness of both ends of the arc-shaped shell 32 is small, it will not be too close to the user's face when wearing, and the wearing comfort is high.

Further, viewed along a section perpendicular to the extending direction of the arc-shaped casing 32, the thickness of the middle of the arc-shaped casing 32 is smaller than the width of the middle of the arc-shaped casing 32 and/or the width of the middle of the arc-shaped casing 32 It is smaller than the width of both ends of the arc-shaped housing 32 . Specifically, the thickness of the middle portion of the arc-shaped housing 32 may be substantially the same as the thickness of both ends of the arc-shaped housing 32, and the width of the middle portion of the arc-shaped housing 32 may also be substantially the same as the width of both ends of the arc-shaped housing 32, Furthermore, the thickness of the middle part of the arc-shaped shell 32 is smaller than the width of both ends of the arc-shaped shell 32, so that the thickness of the middle part of the arc-shaped shell 32 is smaller, so that the wearing comfort of the user is higher. Further, the width of the middle of the arc-shaped shell 32 may also be smaller than the width of the two ends of the arc-shaped shell 32, and when wearing, the smaller width of the back neck can also help to increase wearing comfort.

The receiving cavity 320 is also provided with a guide plate 391 , one end of the guide plate 391 is connected to the partition plate 36 , and the other end extends into the corresponding receiving part 329 and is adjacent to the fan assembly 34 . The plate 391 divides the receiving portion 329 into an air inlet area 320d corresponding to the air inlet 321 and an air outlet area 320e corresponding to the air outlet 322. The fan assembly 34 is located in the air inlet area 320d and the air outlet area 320d. Between the wind regions 320e; the guide plate 391 includes an arc-shaped portion 391a protruding toward the wind outlet region 320d

The receiving portion 329 is further provided with a guide plate 391, and the guide plate 391 divides the receiving portion 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, The fan assembly is located between the air inlet area 329c and the air outlet area 329d; the guide plate 391 includes an arc portion 391a protruding toward the air inlet area 329c. It can be understood that, through the arrangement of the guide plate 391, the adverse effect between the incoming and outgoing air can be reduced, and the efficiency of the incoming and outgoing air can be improved. Further, the guide plate 391 includes an arc-shaped portion 391a protruding toward the air outlet area, which can also achieve the effects of effectively guiding the incoming air, reducing noise, and evenly discharging the air. It can be understood that the guide plate 391 and the partition plate 38 can be connected and fixed with the inner surface of the arc-shaped casing 32, and can be integrally formed with at least part of the arc-shaped casing 32, but it is not excluded that they can be connected with any The arc-shaped casings 32 are independently formed, and then fixed to the arc-shaped casings 32 by gluing, heat welding or other fixing elements.

Specifically, the arc-shaped housing 32 can be divided into a first part 323 and a second part 324 opposite to the first part 323 , and the first part 323 and the second part 324 are respectively used for the parts located on the neck of the human body. On both sides, the receiving cavity 320 includes a first receiving cavity 320a located in the first part 323 and a second receiving cavity 320b located in the second part 324, and the at least three sets of fan assemblies 34 include at least two sets The first fan assembly 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 The first receiving cavity 320a is divided into at least two first receiving parts 329a, and the second partition 322 is located in the second receiving cavity 320b and divides the second receiving cavity 320b into at least two first receiving parts 329a. Two accommodating portions 329b, the at least two first accommodating portions 329a are disposed along the extending direction of the first portion 323 and respectively accommodate the at least two sets of the first fan assemblies 341, the at least two second accommodating portions 329b3 The extending direction of the second portion 324 is disposed and accommodates the at least two groups of second fan assemblies respectively. It can be understood that by arranging the first storage part and the second storage part and the corresponding first fan assembly 341 and the second fan assembly 342, it can not only prevent the air from being too concentrated, and make the air discharge more comfortable, but also improve the overall The air output can achieve better cooling and cooling 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 320a. It can be understood that the first receiving portion 329a adjacent to the back neck of the human body communicates with the second receiving portion 329b, so that the air entering and leaving the back neck is more uniform. Further, the guide plates 391 in the two communicating

receiving parts

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

Further, the first partitions 361 include at least two, and the at least two first partitions 361 divide the first storage cavity 320a into three first storage parts 329a; the second partitions The plate 362 includes at least two, and at least two of the second partitions 362 divide the second receiving cavity 320b into three of the second receiving portions 329b. It can be understood that the design of the above number of the first partition plate 361 , the second partition plate 362 , the first storage portion 329 a and the second storage portion 329 b is beneficial to the higher and more uniform air output of the entire neck-mounted fan 30 . And balance weight, improve wearing comfort.

It can be understood that, in this embodiment, the number of the first partitions 361 is three, except for the two first partitions 361 located between two adjacent first receiving portions 329a, adjacent to the arc A first partition plate 361 is also provided in the first receiving cavity 320a at the end of the outer shell 32 . It can be understood that, in this embodiment, the number of the second partitions 362 is three, except for the two second partitions 362 located between two adjacent second receiving portions 329b, adjacent to the arc A second partition plate 362 is also provided in the second receiving cavity 320b at the end of the outer shell 32 .

In some embodiments, the first partition 361 may be an arc-shaped partition bent toward the end of the first portion 323 away from the second portion 324 ; the second partition 362 may also be an arc-shaped partition toward the end The second part 324 is away from the curved partition at the end of the first part 323 . It can be understood that the arc-shaped partition plate also helps to effectively guide the incoming and outgoing air, reduce noise, and evenly discharge the air.

It can be understood that the first part 323 and the second part 324 may each include three receiving

parts

329a, 329b, and each receiving

part

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

portion

329a, 329b can also receive a different number of the fan assemblies 34, which is not limited to the above.

In some embodiments, the fan blade structure of the first fan assembly 341 is the same as that of the second fan assembly 342 , and the fan blade structure of the first fan assembly 341 is the same as that of the second fan assembly 342 The rotation direction of the fan blade structure is opposite. It can be understood that, because the first fan assembly 341 and the second fan assembly 342 are disposed opposite to each other and are located on both sides of the neck of the human body, the fan blades have the same structure but different rotation directions, which not only facilitates assembly, but also allows two storage The wind flow in the

parts

329a and 329b is generally symmetrical and faces the neck of the human body, so as to achieve the technical effect of more uniform wind discharge.

In other embodiments, the fan blade structure of the first fan assembly and the fan blade structure of the second fan assembly are axially symmetrically arranged (not shown), and the fan blade structure of the first fan assembly and all The rotation directions of the blade structures of the second fan assembly are the same. It can be understood that since the first fan assembly and the second fan assembly are disposed opposite to each other and are located on both sides of the neck of the human body, the fan blade structure has the same symmetrical rotation direction, and it is convenient to use the same motor to drive different fan blade structures. The airflow in the two receiving

parts

329a and 329b can also be made to be substantially symmetrical and directed toward the neck of the human body, so as to achieve the technical effect of more uniform airflow.

Each of the fan assemblies 34 includes a mounting shaft 34a and a fan blade 34b mounted on the mounting shaft 34a. The extending direction of the mounting shaft 34a of the fan assembly 34 is consistent with the direction of the thickness of the arc-shaped housing 32 . It can be understood that the extension direction of the mounting shaft 34a is consistent with the thickness direction of the arc-shaped casing 32, which helps to reduce the thickness of the arc-shaped casing 32 and improve wearing comfort.

In addition, the fan assembly 34 is a turbo fan assembly. It can be understood that the use of the turbo fan assembly has the effects of uniform air output and lower noise, and in conjunction with the air inlet and

air outlets

321 , 322 and the receiving portion 329 , better performance can be achieved. wind effect. The air outlet 321 is disposed on the side of the top wall 32d adjacent to the neck of the human body. Further, in cooperation with the air outlet 322 disposed on the top wall 32d, effects such as higher air outlet efficiency and larger air volume can also be achieved. Further, the switch and/or the rotational speed of each fan assembly 34 in each of the storage parts 329 can be independently adjusted, so that the user can control the switch and air volume of the fan assembly 34 at the corresponding position according to the needs, so as to improve the user's convenience. experiential.

Specifically, the first part 323 and the second part 324 of the arc-shaped housing 32 each include an inner side wall 32a for being close to the neck of the human body, an outer side wall 32b located on the back side of the inner side wall 32a, and connecting to the inner side wall 32a and The bottom wall 32c of the outer side wall 32b, the top wall 32d connected between the inner side wall 32a and the outer side wall 32b and opposite to the bottom wall 32c, 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 housing 32, and the air inlet 321 is disposed on the outer side wall 32b , the air outlet 322 is arranged on the side of the top wall 32d adjacent to the neck of the human body. 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 can directly rotate the air from the air inlet 321 to be discharged into the air outlet 322, so that The air duct is shorter, the air volume loss is smaller, and the wind efficiency is higher.

It can be understood that a plurality of the air inlets 321 are arranged in the extending direction of the arc-shaped housing 32 . It can be understood that the multiple air inlets 321 can make the air intake range larger and the wind efficiency higher. Further, a plurality of the air inlets 321 are evenly arranged, which can make the air outlet more uniform. The number of the air inlets 321 corresponding to each of the fan assemblies 34 is the same, which can also make the air outlet more uniform.

Further, in some embodiments, the air inlet 321 includes at least two adjacent air inlet portions 321a; the outer sidewall 32b includes a sidewall body 321c having an opening area 321b and a side wall body 321c located in the opening area 321b and connected The at least two air inlet portions 321a are formed between the connecting portion 321d of the side wall main body 321c and the connecting portion 321d and the side wall main body 321c. It can be understood that forming the air inlet portion 321a in the above manner can improve the uniformity of the air intake and also help to improve the uniformity of the air outlet, and the above structure is also relatively simple and easy to manufacture, and is not easy to increase the cost. In this embodiment, the connecting portion 321d is substantially in the shape of a “cross”, and the air inlet 321 is divided into four air inlet portions 321a by the connecting portion 321d. However, it can be understood that the connecting portion 321d has The shape is not limited to the "cross" shape, and the number of the air inlet portions 321a is not limited to four.

Further, the outer side wall 32b is further provided with an air inlet baffle 392, and the air inlet baffle 392 is installed corresponding to the opening area 321b, so that the wind can pass between the air inlet baffle 392 and the side wall main body 321c. area, the air inlet portion 321a enters the receiving cavity 320 . It can be understood that the wind inlet baffle 392 can not only improve the safety of the wind in and out, but also make the appearance beautiful and comfortable.

Further, in some embodiments, each of the receiving

portions

329 a and 329 b corresponds to a plurality of the air inlets 322 , and the plurality of the air outlets 322 are arranged in the extending direction of the arc-shaped housing 32 . It can be understood that the plurality of the air outlets 322 make the air out more uniform. Further, the plurality of the air outlets are 322 plurality of mutually parallel bar-shaped air outlets, and the extension direction of the bars of the air outlets 322 intersects with the extension direction of the arc-shaped housing 32 (for example, substantially perpendicularly intersects). . It can be understood that the design of the air outlet 322 in the above extending direction cooperates with the fan assembly 34 in which the extending direction of the installation shaft 34a is along the thickness direction of the arc-shaped housing 32 to achieve a better air guiding effect. Further, the plurality of the air outlets 322 are evenly arranged; the plurality of the air outlets 322 are arranged in a U shape. It can be understood that the plurality of air outlets 322 arranged in a U shape enables the air outlet of the hanging neck fan 30 to cover a larger area, improve the air outlet volume, and also improve the uneven air outlet. In addition, the plurality of the air outlets 322 are evenly arranged, so that the air outlet is more uniform.

In the hanging neck type fan 30 , the outer surface of the bottom wall 32 c away from the top wall 32 d may be an arc-shaped surface 3203 concave toward the receiving cavity 320 ; To the direction of 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 approximately Both are high in the middle and low on both sides. It can be understood that the above curvature design can be more suitable for the curve of the shoulder and neck of the human body, so as to achieve the effect of wearing comfort.

Further, the outer surface 3204 of the top wall 32d away from the bottom wall 32c may be the same in shape as the curved 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 above curvature design can be more suitable for the curve of the shoulder and neck of the human body, so as to achieve the effect of wearing comfort. In addition, the hanging neck fan 30 further includes a switch button 381 , a power indicator light 382 , a circuit board 383 and a battery 384 . The switch button 381 is disposed on the outer side wall 32 b and is adjacent to the end of the arc-shaped housing 32 . It is convenient for users to operate, and does not affect the incoming and outgoing air. The power indicator 382 is adjacent to the switch button 381 and is disposed on the outer side wall 32b. The circuit board 383 may be adjacent to the switch button 381 and located in the receiving portion 329 . The battery 384 may also be located in the receiving portion 329 between the two fan assemblies 34 . It can be understood that the above design can facilitate the installation and wiring of the switch button 381 , the corresponding power indicator light 382 , the circuit board 383 and the battery 384 . However, in a modified embodiment, the power indicator 382 may also be omitted.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements 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

A hanging neck fan is characterized in that: comprising:

An arc-shaped shell, which can be worn on the neck of a human body, the arc-shaped shell has a storage cavity, a plurality of air inlets and a plurality of air outlets communicated with the storage cavity, and the storage cavity is further provided with At least two partitions, the at least two partitions divide the storage cavity into at least three storage parts arranged in sequence along the extending direction of the arc-shaped shell, and each storage part corresponds to at least one of the air inlets and at least one of said air outlets; and

At least three sets of fan assemblies, the at least three sets of fan assemblies are respectively located in the at least three receiving parts, and the fan assemblies are used to guide the wind from the air inlets corresponding to the receiving parts to the corresponding parts of the receiving parts. of the air outlet.
The hanging neck type fan according to claim 1, characterized in that, viewed along a section perpendicular to the extending direction of the arc-shaped casing, the thickness of both ends of the arc-shaped casing is smaller than the width of the two ends of the arc-shaped casing.
The hanging-neck fan according to claim 2, characterized in that: viewed from a cross section perpendicular to the extending direction of the arc-shaped casing, the thickness of the middle part of the arc-shaped casing is smaller than the width and/or the width of the middle part of the arc-shaped casing. 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.
The hanging neck fan according to claim 1, wherein a guide plate is further provided in the receiving part, and the guide plate divides the receiving part into an air inlet area corresponding to the air inlet and a corresponding air inlet area. In the air outlet area of the air outlet, the fan assembly is located between the air inlet area and the air outlet area; the guide plate includes an arc-shaped portion protruding toward the air inlet area.
The hanging neck fan according to claim 1, wherein the arc-shaped housing comprises a first part and a second part opposite to the first part, the first part and the second part are respectively used for Located on both sides of the neck of the human body, the storage cavity includes a first storage cavity located in the first part and a second storage cavity located in the second part, and the at least three sets of fan assemblies include at least two sets of second storage chambers. A fan assembly 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 storage cavity and divides the first storage cavity There are at least two first receiving parts, the second partition is located in the second receiving cavity and divides the second receiving cavity into at least two second receiving parts, the at least two first receiving parts The at least two sets of first fan assemblies are arranged along the extending direction of the first part and respectively accommodate the at least two sets of first fan assemblies, and the at least two second receiving parts are arranged along the extending direction of the second part and respectively accommodate the at least two sets of first fan assemblies. Two fan assemblies.
The hanging neck fan according to claim 5, wherein a first receiving portion of the first receiving cavity adjacent to the second receiving cavity and a portion of the second receiving cavity adjacent to the first receiving cavity The second receiving part is connected.
The hanging neck fan according to claim 5, wherein the first partition plate comprises at least two, and the at least two first partition plates divide the first storage cavity into three of the first partition plates. a receiving part; the second partition includes at least two, and the at least two second partitions divide the second receiving cavity into three second receiving parts.
The hanging neck fan according to claim 5, wherein the first partition is an arc-shaped partition that is bent toward the end of the first part away from the second part; the second partition is is an arcuate baffle curved towards the end of the second portion remote from the first portion.
The hanging neck fan according to claim 5, wherein the structure of the fan blade of the first fan assembly is the same as that of the second fan assembly, and the structure of the fan blade of the first fan assembly is the same as the structure of the fan blade of the second fan assembly. The rotation directions of the blade structures of the second fan assembly are opposite.
The hanging neck fan according to claim 5, wherein the fan blade structure of the first fan assembly and the fan blade structure of the second fan assembly are axially symmetrical, and the fan blade structure of the first fan assembly is axially symmetrical. The rotation direction of the blade structure is the same as that of the blade structure of the second fan assembly.
The hanging neck fan according to claim 1, wherein each of the fan assemblies includes a mounting shaft and a fan blade mounted on the mounting shaft, and the extending direction of the mounting shaft of the fan assembly is the same as that of the fan assembly. The thickness of the arc-shaped casing is in the same direction.
The hanging neck fan according to claim 1, wherein the arc-shaped housing comprises an inner side wall close to the neck of a human body, an outer side wall located on the back side of the inner side wall, an outer side wall connected to the inner side wall and the The bottom wall of the outer side wall, the top wall connected between the inner side wall and the outer side wall and opposite to the bottom wall, the inner side wall, the outer side wall, the bottom wall and the top wall surrounding The storage cavity is formed into the storage cavity, the storage cavity extends along the extension direction of the arc-shaped housing, the air inlet is arranged on the outer side wall, and the air outlet is arranged in the top wall and the inner side wall at least one of.
The hanging neck fan according to claim 12, wherein: a plurality of the air inlets are arranged in the extending direction of the arc-shaped housing; a plurality of the air inlets are evenly arranged; each of the fans The number of the air inlets corresponding to the components is the same.
The hanging neck fan according to claim 12, wherein: the air inlet comprises at least two adjacent air inlet parts; the outer side wall comprises a side wall body with an opening area and a side wall located in the opening area and The connecting part connecting the side wall main body, the at least two air inlet parts are formed between the connecting part and the side wall main body; The opening area is installed so that the wind can enter the receiving cavity through the area between the wind inlet baffle and the side wall body and the wind inlet part.
The hanging neck fan according to claim 12, wherein each receiving portion corresponds to a plurality of the air inlets, and the plurality of the air outlets are arranged in the extending direction of the arc-shaped housing; The air outlet is a plurality of parallel bar-shaped air outlets, and the extension direction of the bars of the air outlet intersects with the extension direction of the arc-shaped housing; the plurality of air outlets are evenly arranged; The air outlets are arranged in a U shape.
The hanging neck fan according to claim 12, wherein: the outer surface of the bottom wall away from the top wall is an arc-shaped surface concave toward the receiving cavity; along one end of the arc-shaped casing In the direction from the upper part to the middle part of the arc-shaped shell, the concave curvature of the arc-shaped surface gradually becomes larger and then gradually becomes smaller.
The hanging neck fan according to claim 12, wherein the hanging neck fan further comprises a switch button, and the switch button is arranged on the outer side wall and is adjacent to the end of the arc-shaped casing; The hanging neck fan further includes a power indicator light, which is adjacent to the switch button and disposed on the outer side wall; the fan assembly is a turbo fan assembly; the air outlet is disposed adjacent to the top wall One side of the human neck.
The hanging neck fan according to claim 1, wherein the switch and/or the rotational speed of each of the fan assemblies in each of the storage parts can be independently adjusted.