CN213628072U

CN213628072U - Hanging neck type fan

Info

Publication number: CN213628072U
Application number: CN202022210032.8U
Authority: CN
Inventors: 李享福
Original assignee: Shenzhen Jisu Technology Co Ltd
Current assignee: Shenzhen Jisu Technology Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-06
Anticipated expiration: 2030-09-30
Also published as: WO2022073279A1

Abstract

The utility model provides a hang neck formula fan. The hanging neck type fan comprises an arc-shaped shell and at least four fan components. The arc-shaped shell is provided with a first part and a second part, the first part and the second part are respectively provided with a containing cavity, an air inlet and an air outlet which are communicated with the containing cavity, the containing cavity is also internally provided with at least one partition plate, the containing cavity is divided into at least two containing parts which are sequentially arranged along the extending direction of the arc-shaped shell by the at least one partition plate, and each containing part corresponds to part of the air inlet and part of the air outlet; each fan assembly is located in a corresponding one of the receiving portions, each fan assembly is used for guiding wind from the wind inlet corresponding to the receiving portion to the wind outlet corresponding to the receiving portion and blowing out the wind, each fan assembly is provided with a driving shaft and a fan blade assembly mounted on the driving shaft, and the driving shaft extends along the direction of the inner side wall of the arc-shaped shell towards the outer side wall.

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 fan, it includes arc shell and at least four fan assembly, arc shell can wear in human neck department, arc shell has first portion and second portion, first portion reaches the second portion is used for being located the both sides of human neck respectively, first portion reaches the second portion all includes the inside wall that is used for being close to human neck one side, the lateral wall that sets up with the inside wall relatively, connect between inside wall and the lateral wall and be used for being close to human head's roof, connect between inside wall and the lateral wall and the bottom wall that sets up with the roof relatively, inside wall, lateral wall, roof and bottom wall enclose into the storage chamber, first portion and the second portion still have respectively with the air intake and the air outlet that the storage chamber communicates, the accommodating cavity is also internally provided with at least one partition plate, the accommodating cavity is divided into at least two accommodating parts which are sequentially arranged along the extending direction of the arc-shaped shell by the at least one partition plate, and each accommodating part corresponds to part of the air inlet and part of the air outlet; each fan assembly is positioned in a corresponding one of the accommodating parts, each fan assembly is used for guiding the wind from the wind inlet corresponding to the accommodating part to the wind outlet corresponding to the accommodating part and blowing out the wind, each fan assembly is provided with a driving shaft and a fan blade assembly arranged on the driving shaft, the driving shaft extends along the direction of the inner side wall towards the outer side wall, the hanging neck type fan further comprises a connecting part connected between the first part and the second part, the first part and the second part also comprise an end plate part which is positioned at one end far away from the connecting part and is connected among the top wall, the bottom wall, the inner side wall and the outer side wall, the number of the air outlets is more than one, the air outlets are arranged along the extension direction of the arc-shaped shell and extend to the positions close to the connecting parts; the plurality of air outlets are gradually reduced in size in a direction from the end plate portion toward the connection portion.

Compared with the prior art, in the neck hanging fan in the above embodiment, the arc-shaped housing has the first portion and the second portion respectively located at two sides of the neck of the human body, the first portion and the second portion respectively have the receiving cavity and the air inlet and the air outlet communicated with the receiving cavity, each receiving cavity is divided into at least two receiving portions by the partition plate, and each fan assembly is located in the receiving portion and can guide the air from the air inlet to the air outlet to blow out. Because fan unit is located accomodate the chamber for foreign matter such as hair is difficult for being drawn into fan unit, can improve security and the convenience of use, four at least fan unit are arranged in four at least storage part that set up along the extending direction, owing to have a plurality of storage part, make every storage part's wind channel length shorter, wind not only can reduce the air-out concentration degree in each storage part internal motion, make the air-out comparatively comfortable, can also reduce the noise and reduce the amount of wind loss, because of this application inventor research discovery, the longer wind channel that leads to wind is longer at casing flow time more, the noise and the amount of wind loss that lead to are all big, through dividing a plurality of storage part, then can obviously improve the big problem of noise and amount of wind loss. Further, each fan assembly is provided with a driving shaft and a fan blade assembly installed on the driving shaft, the driving shaft extends along the direction from the inner side wall to the outer side wall, the thickness of the shell along the direction from the inner side wall to the outer side wall is small, and wearing comfort is improved.

Further, in some embodiments, the air inlet is disposed on the outer sidewall; the air outlet is arranged on the top wall. It can be understood that sets up the air intake in the lateral wall, because the outside wall face is outside, is favorable to the air inlet very much for the air inlet is smooth and easy, and further the cooperation sets up in the air outlet of roof and follows the drive shaft that the direction of lateral wall orientation extended of inside wall can make flabellum subassembly directly guide the wind of air intake to the air outlet reaches higher wind guide efficiency, and in addition, the air outlet setting is at the roof for the air-out can reach better quick cooling effect towards human face and head.

Further, in some embodiments, an end of the drive shaft is secured to the inner sidewall. It can be understood that the design is further matched with the air inlet positioned on the outer side wall, and a better air inlet effect can be achieved.

Further, in some embodiments, each of the fan assemblies corresponds to a plurality of the air inlets. It can be understood that the air inlet is adopted in a plurality of air inlets, so that the appearance is attractive, foreign matters are not easy to be involved, and the safety is improved.

Further, in some embodiments, the number of the air inlets corresponding to each of the fan assemblies is the same; each fan component corresponds a plurality of air inlets and encloses into the ring. It can be understood that the design not only enables the appearance to be attractive and the foreign matters not to be easily involved, but also can be matched with the shape of the fan assembly to achieve a better air inlet effect.

Further, in some embodiments, a plurality of ventilation openings are formed in the inner side wall corresponding to the position of each fan assembly, each ventilation opening is arc-shaped, and the plurality of ventilation openings corresponding to each fan assembly are arranged along a ring shape. It can be understood that the design not only enables the appearance to be attractive and the foreign matters not to be easily involved, but also can be matched with the shape of the fan assembly to achieve a better ventilation effect.

Further, in some embodiments, the fan assembly is a turbine fan assembly. It can be understood that the turbine fan blade assembly can achieve the effects of lower noise and higher safety.

Further, in some embodiments, the hanging neck fan further includes a connecting portion connected between the first portion and the second portion, and the first portion and the second portion further include an end plate portion located at an end away from the connecting portion and connecting the top wall, the bottom wall, the inner side wall, and the outer side wall. The size of the air inlet corresponding to the fan assembly adjacent to the connecting part is smaller than that of the air inlet corresponding to the fan assembly adjacent to the end plate part; the outer diameter of the fan blade assembly adjacent to the connecting portion is smaller than the outer diameter of the fan blade assembly adjacent to the end plate portion. It can be understood that through the design of the air intake size of not unidimensional and the flabellum subassembly external diameter of not unidimensional, make along the tip board portion extremely the direction of connecting portion, the size of arc shell can reduce gradually, more adapts to the curve of human neck department, increases and wears the comfort level.

Further, in some embodiments, the number of the air outlets is multiple, and the multiple air outlets are arranged along the extending direction of the arc-shaped shell and extend to positions adjacent to the connecting portion; the plurality of air outlets are gradually reduced in size in a direction from the end plate portion toward the connection portion. It can be understood that a plurality of air outlets can be so that the security is higher, and is a plurality of the air outlet is along following end plate portion orientation the direction of connecting portion reduces gradually, and the air outlet that reduces gradually can make the air-out concentrate, improves air-out intensity, further cooperates along the portion of accomodating of wind channel extending direction amount of wind gradual loss, can be so that whole air-out is more even comfortable.

Further, in some embodiments, the partition board is connected to a surface of the inner side wall facing the outer side wall and extends toward the outer side wall, the partition board includes a main body portion and a first guiding portion and a second guiding portion, one end of the main body portion is connected to one end of the bottom wall adjacent to the end plate portion, the other end of the main body portion extends toward the middle of the top wall and adjacent to the middle of the top wall, and the first guiding portion includes an arc-shaped first portion surrounding the periphery of the fan blade assembly adjacent to the end plate portion and a second portion connected between the first portion and the top wall; the second guide part is connected with the main body part and is arranged around the periphery of the fan blade assembly adjacent to the connecting part. It can be understood that the main body part is mainly used for dividing two containing parts, and the first guide part and the second guide part are respectively used for adapting to the appearance of the fan blade assembly so as to guide wind and achieve a better wind outlet guide effect.

Further, in some embodiments, an end of the second guide portion away from the body portion extends to the connecting portion; along the direction of the end plate portion towards the connecting portion, the distance between the second guide portion and the bottom wall gradually decreases to be tangent, then gradually increases and is maintained within a preset distance value range. The above design of the second guide part can enable the air duct to extend to the connecting part, and the air outlet at the connecting part is matched and extended, so that the air outlet range of the neck hanging type fan is large, and the cooling effect is good.

Further, in some embodiments, the hanging neck type fan further includes an electronic control assembly, the electronic control assembly includes a battery and a circuit board, a receiving space is further defined between the second guiding portion and the main body portion, and the receiving space is used for receiving at least part of the electronic control assembly. As can be understood, the electric control assembly is accommodated in the accommodating space, so that heat of the electric control assembly can be prevented from entering the accommodating part, and the influence on the cooling effect is avoided; in addition, the design can also enable the electric control assembly to independently design heat dissipation, routing and the like, and increase the electricity utilization safety.

Further, in some embodiments, the electronic control assembly further includes a switch button and a data port, the outer sidewall of the second portion includes a first opening corresponding to the switch button and a second opening corresponding to the data port, the switch button is installed corresponding to the first opening and connected to the circuit board, and the data port is installed corresponding to the second opening and connected to the circuit board. The switch keys and the data ports in the positions are designed to facilitate operation and use of users, and user experience is high.

Further, in some embodiments, the outer sidewall includes a sidewall body and an auxiliary plate corresponding to a shape and a position of the partition and connected between the sidewall body and the partition. It can be understood that the auxiliary plate can further cooperate with the partition plate to enclose an air duct of the fan assembly, so as to achieve a better air guiding effect.

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 a perspective exploded view of the hanging neck type fan shown in fig. 1.

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. 1-2, fig. 1 is a schematic perspective view of a neck hanging fan 30 according to the present invention, and fig. 2 is a schematic perspective exploded view of the neck hanging fan 30 shown in fig. 1. The hanging neck type fan 30 comprises an arc-shaped casing 10 and at least four fan components 20, wherein the fan components 20 can be accommodated in the arc-shaped casing 10. It should be understood that in the present embodiment, the hanging neck type fan 30 mainly includes four fan assemblies 20 as an example.

The arc-shaped housing 10 can be worn on the neck of a human body, the arc-shaped housing 10 has a first portion 11 and a second portion 12, the first portion 11 and the second portion 12 are respectively used for being located at two sides of the neck of the human body, the first portion 11 and the second portion 12 both include an inner side wall 101 for being close to one side of the neck of the human body, an outer side wall 102 arranged opposite to the inner side wall 101, a top wall 103 connected between the inner side wall 101 and the outer side wall 102 and used for being close to the head of the human body, and a bottom wall 104 connected between the inner side wall 101 and the outer side wall 102 and arranged opposite to the top wall 103.

The inner side wall 101, the outer side wall 102, the top wall 103 and the bottom wall 104 enclose a receiving cavity 105, and the first portion 11 and the second portion 12 further have an air inlet 106 and an air outlet 107 respectively communicated with the receiving cavity 105.

The accommodating cavity 105 is further provided with at least one partition plate 13, the accommodating cavity 105 is divided into at least two

accommodating parts

105a and 105b sequentially arranged along the extending direction of the arc-shaped housing 11 by the at least one partition plate 13, and each

accommodating part

105a and 105b corresponds to a part of the air inlet 106 and a part of the air outlet 107; each fan assembly 20 is located in a corresponding one of the

receiving portions

105a, 105b, each fan assembly 20 is configured to guide the wind from the wind inlet 106 corresponding to the

receiving portion

105a, 105b to the wind outlet 107 corresponding to the

receiving portion

105a, 105b for blowing out, and each fan assembly 20 has a driving shaft 21 and a fan assembly 22 mounted on the driving shaft 21, wherein the driving shaft 21 extends along the inner side wall 101 towards the outer side wall 102.

Compared with the prior art, in the hanging neck fan 30 of the above embodiment, the arc-shaped housing 10 has the first portion 11 and the second portion 12 respectively located at two sides of the neck of the human body, the first portion 11 and the second portion 12 respectively have the receiving cavity 105 and the air inlet 106 and the air outlet 107 communicated with the receiving cavity 105, each receiving cavity 105 is further divided into at least two receiving

portions

105a and 105b by the partition 13, and each fan assembly 20 is located in the receiving

portions

105a and 105b and can guide the air from the air inlet 106 to the air outlet 107 for blowing out. Because the fan assembly 20 is located in the containing cavity 105, foreign matters such as hair are not easy to be drawn into the fan assembly, and the safety and the convenience of use can be improved, the at least four fan assemblies 20 are located in the at least four containing

parts

105a and 105b arranged along the extending direction, and the plurality of containing

parts

105a and 105b are arranged, so that the air channel length of each containing

part

105a and 105b is shorter, the air movement in each containing

part

105a and 105b can not only reduce the air outlet concentration degree, so that the air outlet is more comfortable, but also can reduce the noise and reduce the air volume loss, the research of the inventor of the application finds that the longer the air channel is, the longer the air flowing time in the shell is, the larger the noise and the air volume loss are, and the problem of large noise and air volume loss can be obviously improved by dividing the plurality of containing

parts

105a and 105 b. Further, each fan assembly 20 has a driving shaft 21 and a fan assembly 22 mounted on the driving shaft 21, and the driving shaft 21 extends along the inner side wall 101 toward the outer side wall 102, so that the thickness of the casing along the direction from the inner side wall 101 to the outer side wall 102 is small, and the wearing comfort is improved.

Further, the air inlet 106 is disposed on the outer sidewall 102; the air outlet 107 is disposed on the top wall 103. It can be understood that, set up air intake 106 in lateral wall 102, because lateral wall 102 is to the outside, be favorable to the air inlet very much for the air inlet is smooth and easy, further the cooperation set up in the air outlet of roof 103 and follow drive shaft 21 that inside wall 101 extends towards the direction of lateral wall 102, can make flabellum subassembly 20 directly guide the wind of air intake 106 to air outlet 107 reaches higher wind guide efficiency, and in addition, air outlet 106 sets up at roof 103 for the air-out is towards human face and head, can reach better quick cooling effect.

Further, one end of the driving shaft 21 is fixed to the inner sidewall 101. It can be appreciated that the above design further cooperates with the air inlet 106 located on the outer sidewall 102, so that the air inlet 106 is not blocked, and a better air inlet effect can be achieved.

Further, each of the fan assemblies 20 corresponds to a plurality of the air inlets 106. It can be understood that the air inlet 106 is adopted for air inlet, so that the appearance is attractive, foreign matters are not easy to be involved, and the safety is improved.

Further, the number of the air inlets 106 corresponding to each fan assembly 20 is the same; each fan assembly 20 is formed to surround a ring shape corresponding to the plurality of air inlets 106. It can be understood that the design not only makes the appearance beautiful and not easy to be involved with foreign matters, but also can be matched with the shape of the fan component 20 to achieve better air inlet effect.

Further, a plurality of ventilation openings 108 are formed in the inner side wall 101 at positions corresponding to each fan assembly 20, each ventilation opening 108 is arc-shaped, and the plurality of ventilation openings 108 corresponding to each fan assembly 20 are annularly arranged. It can be understood that the above design not only makes the appearance beautiful and not easy to be involved in foreign matters, but also can be matched with the shape of the fan assembly 20 to achieve better ventilation effect.

Further, the fan blade assembly 20 is a turbine fan blade assembly. It can be understood that the turbine fan blade assembly can achieve the effects of lower noise and higher safety.

Further, the hanging neck type fan 20 further includes a connection part 14 connected between the first part 11 and the second part 12. The connecting portion 14 is used to connect the first portion 11 and the second portion 12 together, in this embodiment, the connecting portion 14 may be formed separately from both the first portion 11 and the second portion, but in other embodiments, the connecting portion 14 may be formed integrally with one of the first portion 11 and the second portion 12 and then assembled and connected with the other of the first portion 11 and the second portion 12. Since the structure of the connecting portion 14 is various, it will not be described herein.

The first portion 11 and the second portion 12 further include an end plate 109 located at an end away from the connecting portion 14 and connecting the top wall 103, the bottom wall 104, the inner side wall 101 and the outer side wall 102. The size of the air inlet 106 corresponding to the fan assembly 20 adjacent to the connecting portion 14 is smaller than the size of the air inlet 106 corresponding to the fan assembly 20 adjacent to the end plate portion 109; the outer diameter of the blade assembly 20 adjacent the connecting portion 14 is smaller than the outer diameter of the blade assembly 14 adjacent the end plate portion 109. It can be understood that, by designing the sizes of the air inlets 106 with different sizes and designing the outer diameters of the fan blade assemblies 20 with different sizes, the size of the arc-shaped housing 10 can be gradually reduced along the direction from the end plate portion 109 to the connecting portion 14, so as to adapt to the curve of the neck of a human body, and increase the wearing comfort. In this embodiment, the shape of the end plate 109 is an arc shape, which not only has good aesthetic property and wearing comfort, but also can match with the shape of the accommodating part 105a and the shape of the fan assembly 20 to achieve good air inlet and outlet effects.

It is understood that, in the first portion 11 or the second portion 12, the inner wall 101, the top wall 103, the bottom wall 104, the end plate 109, and the partition 13 may be formed integrally, and the outer wall 102 may be engaged with the top wall 103, the bottom wall 104, and the end plate 109 integrally by a fastener. The buckles or other connection integrated modes are more and applicable, and are not repeated here.

Further, the number of the air outlets 107 is multiple, and the multiple air outlets 107 are arranged along the extending direction of the arc-shaped housing 10 and extend to a position adjacent to the connecting portion 14; the size of the plurality of air outlets 107 is gradually reduced in a direction from the end plate portion 109 toward the connecting portion. It can be understood that the safety can be higher for a plurality of air outlets 107, and a plurality of air outlets 107 along from end plate portion 109 towards the direction of connecting portion 14 reduces gradually, and the air outlet 107 that reduces gradually can make the air-out concentrate, improves air-out intensity, further cooperates along the

storage portion

105a, 105b of wind volume gradual loss of wind channel extending direction, can make whole air-out more evenly comfortable.

Further, the partition board 13 is connected to a surface of the inner side wall 101 facing the outer side wall 102 and extends toward the outer side wall 102, the partition board 13 includes a main body portion 130, a first guiding portion 131 and a second guiding portion 132, one end of the main body portion 130 is connected to one end of the bottom wall 104 adjacent to the end plate portion 109, the other end of the main body portion 130 extends toward a middle of the top wall 103 and adjacent to a middle of the top wall 103, the first guiding portion 131 includes an arc-shaped first portion 131a annularly disposed on the periphery of the fan blade assembly 20 adjacent to the end plate portion 109 and a second portion 131b connected between the first portion 131a and the top wall 103; the second guiding portion 132 is connected to the main body portion 130 and is disposed around the fan blade assembly 20 adjacent to the connecting portion 14. It can be understood that the main body 130 is mainly used for dividing the two receiving

portions

105a and 105b, and the first guide portion 131 and the second guide portion 132 are respectively used for adapting to the shape of the fan blade assembly 20 to guide the wind, so as to achieve a better wind outlet guiding effect.

Further, one end of the second guide portion 132 away from the body portion 130 extends to the connecting portion 14; in a direction toward the connecting portion 14 along the end plate portion 109, a distance between the second guiding portion 132 and the bottom wall 103 gradually decreases to be tangent, then gradually increases and is maintained within a preset distance value range, where the preset distance value may be set according to actual needs, and specifically may be a half of a distance between the top wall 103 and the bottom wall 104. The above design of the second guiding portion 132 can make the air duct extend all the way to the position of the connecting portion 14, and the air outlet 107 at the position of the connecting portion 14 is matched to extend, so that the air outlet range of the neck hanging fan 30 is large, and the cooling effect is good.

Further, the hanging neck fan 30 further includes an electronic control assembly 15, the electronic control assembly 15 includes a battery (not shown) and a circuit board 151, a receiving space 133 is further defined between the second guiding portion 132 and the main body portion 130, and the receiving space 133 is used for receiving at least a portion of the electronic control assembly 15. It can be understood that, by receiving the electronic control assembly 15 in the receiving space 133, heat of the electronic control assembly 15 can be prevented from entering the receiving

portions

105a and 105b, so that the cooling effect is prevented from being affected; in addition, the design can also enable the electric control assembly 15 to independently design heat dissipation, routing and the like, and increase the electricity utilization safety.

Further, the electronic control assembly 15 further includes a switch button 152 and a data port 153, the outer sidewall 102 of the second portion 12 includes a first opening 102a corresponding to the switch button 152 and a second opening 102b corresponding to the data port 153, the switch button 152 is installed corresponding to the first opening 102a and connected to the circuit board 151, and the data port 153 is installed corresponding to the second opening 102b and connected to the circuit board 151. The switch keys 152 and the data ports 153 in the above positions are designed to facilitate the operation and use of users, and the user experience is high. Furthermore, it is understood that the first portion 11 and the second portion 12 are symmetrically configured and arranged with respect to the electrical control assembly 15 to increase the comfort of the wearer.

Further, the outer sidewall 102 includes a sidewall body 1021 and an auxiliary plate 1022, wherein the auxiliary plate 1021 corresponds to the shape and position of the partition 1022 and is connected between the sidewall body 1021 and the partition 13. It can be understood that the auxiliary plate 1021 may further cooperate with the partition 13 to form an air channel of the fan assembly 20, so as to achieve a better wind guiding effect.

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: the method comprises the following steps:

the arc-shaped shell can be worn at the neck of a human body, the arc-shaped shell is provided with a first part and a second part, the first part and the second part are respectively used for being positioned at two sides of the neck of the human body, the first part and the second part respectively comprise an inner side wall close to one side of the neck of the human body, an outer side wall opposite to the inner side wall, a top wall connected between the inner side wall and the outer side wall and used for being close to the head of the human body, and a bottom wall connected between the inner side wall and the outer side wall and opposite to the top wall, the inner side wall, the outer side wall, the top wall and the bottom wall define a containing cavity, the first part and the second part are respectively provided with an air inlet and an air outlet communicated with the containing cavity, at least one partition plate is further arranged in the containing cavity, and the at least one partition plate divides the containing cavity into at least two containing parts which are sequentially arranged along the, each accommodating part corresponds to part of the air inlet and part of the air outlet; and

at least four fan assemblies, each fan assembly being located in a corresponding one of the receiving portions, each fan assembly being configured to guide the wind from the wind inlet corresponding to the receiving portion to the wind outlet corresponding to the receiving portion and blow the wind out, each fan assembly having a driving shaft and a fan blade assembly mounted on the driving shaft, the driving shaft extending along the inner sidewall in a direction toward the outer sidewall,

the hanging neck type fan further comprises a connecting part connected between the first part and the second part, the first part and the second part further comprise end plate parts which are located at one ends far away from the connecting part and connected between the top wall, the bottom wall, the inner side wall and the outer side wall, the number of the air outlets is multiple, and the air outlets are arranged along the extending direction of the arc-shaped shell and extend to positions close to the connecting part; the plurality of air outlets are gradually reduced in size in a direction from the end plate portion toward the connection portion.

2. The hanging neck fan of claim 1, wherein: the air inlet is arranged on the outer side wall; the air outlet is arranged on the top wall.

3. The hanging neck fan of claim 1, wherein: each fan assembly corresponds to a plurality of air inlets; the number of the air inlets corresponding to each fan assembly is the same; each fan component corresponds to a plurality of air inlets and is encircled into a ring; the inside wall corresponds every fan assembly's position is provided with a plurality of vents, every the vent is the arc, and every fan assembly corresponds a plurality of the vent sets up along the annular.

4. The hanging neck fan of claim 1, wherein: one end of the driving shaft is fixed on the inner side wall; the fan blade assembly is a turbine fan blade assembly.

5. The hanging neck fan of claim 1, wherein: the size of the air inlet corresponding to the fan assembly adjacent to the connecting portion is smaller than that of the air inlet corresponding to the fan assembly adjacent to the end plate portion.

6. The hanging neck fan of claim 1, wherein: the outer diameter of the fan blade assembly adjacent to the connecting portion is smaller than the outer diameter of the fan blade assembly adjacent to the end plate portion.

7. The hanging neck fan of claim 1, wherein: the partition board is connected to the surface, facing the outer side wall, of the inner side wall and extends towards the outer side wall, the partition board comprises a main body part, a first guide part and a second guide part, one end of the main body part is connected with one end, adjacent to the end plate, of the bottom wall, the other end of the main body part extends towards the middle of the top wall and is adjacent to the middle of the top wall, and the first guide part comprises an arc-shaped first part and a second part, wherein the arc-shaped first part is arranged around the periphery of the fan blade assembly adjacent to the end plate, and the second part is connected between the; the second guide part is connected with the main body part and is arranged around the periphery of the fan blade assembly adjacent to the connecting part.

8. The hanging neck fan of claim 7, wherein: one end of the second guiding part, which is far away from the main body part, extends to the connecting part; along the direction of the end plate portion towards the connecting portion, the distance between the second guide portion and the bottom wall gradually decreases to be tangent, then gradually increases and is maintained within a preset distance value range.

9. The hanging neck fan of claim 7, wherein: the hanging neck type fan further comprises an electric control assembly, the electric control assembly comprises a battery and a circuit board, a containing space is further enclosed between the second guide part and the main body part, and the containing space is used for containing at least part of the electric control assembly; the electronic control assembly further comprises a switch key and a data port, the outer side wall of the second portion comprises a first opening corresponding to the switch key and a second opening corresponding to the data port, the switch key is installed corresponding to the first opening and connected with the circuit board, and the data port is installed corresponding to the second opening and connected with the circuit board.

10. The hanging neck fan of claim 7, wherein: the outer side wall comprises a side wall main body and an auxiliary plate, and the auxiliary plate corresponds to the partition plate in shape and position and is connected between the side wall main body and the partition plate.