JP7449369B2 - neck fan - Google Patents

Description

TECHNICAL FIELD This application relates to the field of fans, and more particularly to neck fans.

In recent years, more and more people are seeking a more convenient life, and various portable fans, such as neck fans, have appeared on the market to meet the need for practical fans in outdoor and other life scenarios. With the advent of neck-hanging fans, the limitations of hand-held fans have been eliminated. Regardless of the use scene, such as sports, outdoor activities, or offices, neck-hanging fans can free up the user's hands and can be used at any time without having to hold them in the hand. The effect of applying wind can be achieved anywhere.

Conventional neck-hanging fans generally have two fan assemblies with exposed blades at both ends of the neck-hanging part.Such fan assemblies are less safe and can easily get caught in hair, etc. However, there were also problems such as unpleasant air flow due to excessively concentrated air flow, which needed to be improved.

In view of the above, the present application provides a neck fan that is highly safe and provides comfortable ventilation.

According to one embodiment of the present application, a neck fan is provided that includes an arcuate housing and at least four fan assemblies. The arc-shaped housing can be attached to the nape of the human body, and has a first part and a second part located on both sides of the nape of the human body, and the first part and the second part are both a side wall structure surrounding a storage chamber; the first portion and the second portion further each have an air inlet and an air outlet communicating with the storage chamber; and the storage chamber is provided with at least one partition plate. and the at least one partition plate divides the storage chamber into at least two storage portions provided in sequence along the direction of extension of the arcuate housing, each storage portion having a portion of the air inlet. and corresponds to a portion of the air outlet. Each fan assembly is located in a corresponding one of the storage parts and is used to guide and blow out the air in the air inlet corresponding to the storage part to the air outlet corresponding to the storage part, and The number of air outlets is plural, and the size, shape and/or distance between two adjacent air outlets of the plurality of air outlets are gradually adjusted in a predetermined manner along the direction of extension of the arcuate housing. Changes to

Compared to the prior art, in the neck fan of the above embodiment, the arcuate housing has a first portion and a second portion located on both sides of the nape of the human body, and the first portion and the second portion are located on both sides of the nape of the human body. Each of the two sections has a storage chamber and an air inlet and an air outlet communicating with the storage chamber, each storage chamber being divided into at least two storage sections by a partition plate, and each fan assembly located within the storage section. However, the air at the air inlet can be guided to the air outlet and blown out. Since the fan assembly is located in the storage chamber, foreign objects such as hair will not be easily drawn into the fan assembly, improving safety and convenience of use. The at least four fan assemblies are located in at least four storage sections provided along the extension direction. Since there are multiple storage sections, the length of the air duct in each storage section is short, and the movement of the air in each storage section not only reduces the concentration of air blowing, but also makes the air blowing comfortable and reduces noise. However, it is also possible to reduce the loss of air volume. The inventor of the present application has discovered through research that generally speaking, the longer the air duct, the longer the time for the wind to flow within the casing, causing more noise and loss of air volume. It was discovered that the problems of high noise and air loss can be significantly improved. Furthermore, by designing the air outlet with the above-mentioned extension direction, size, shape, and spacing, the air blowing from the neck fan can be made more comfortable and soft, and the user's usage experience can be improved.

Further, in some embodiments, when a direction in which the first portion faces the second portion is defined as a first elongation direction, the size of the plurality of air outlets of the first portion may be adjusted along the first elongation direction. If the direction in which the second portion gradually becomes smaller and the second portion moves toward the first portion is defined as a second elongation direction, the size of the plurality of air outlets of the second portion gradually decreases along the second elongation direction. becomes smaller. It can be seen that by designing the air outlet with the above size, the air blowing of the neck fan can be made more comfortable and soft, and the user's usage experience can be improved.

Furthermore, in some embodiments, the air outlet is a bar-shaped air inlet, and the extension direction of the bar-shaped air inlet forms a preset included angle with the extension direction of the arcuate housing. It can be seen that by designing the air outlet in the above extension direction, the air blowing from the neck fan can be made more comfortable and soft, and the user's usage experience can be improved. In particular, when the preset included angle is 90 degrees, the air blowing efficiency of the air outlet is also high.

Further, in some embodiments, the shape of the air outlet is at least one of a petal shape and a heart shape. It can be seen that the petal-shaped or heart-shaped air outlet has the technical effect of improving the uniformity of air blowing, and is more beautiful.

Furthermore, in some embodiments, the side wall structure includes a first side wall near the nape of the human body, and a second side wall provided opposite to the first side wall, and the air inlet is located at the side of the neck of the human body. The air outlet is provided in a portion of the first side wall near the second side wall, or a portion of the second side wall near the first side wall. It can be understood that by designing a ventilation passageway in which air enters from the outside and air exits from the top or bottom, ventilation efficiency can be improved and the heat dissipation effect can be enhanced.

Also, in some embodiments, each said fan assembly corresponds to a plurality of said air inlets. It can be seen that air enters through the plurality of air inlets, which not only looks beautiful, but also prevents foreign matter from getting caught, improving safety.

Additionally, in some embodiments, the number of air inlets corresponding to each fan assembly is the same, and the corresponding plurality of air inlets of each fan assembly are arranged in an annular manner. It can be seen that the above design not only looks good and prevents foreign objects from getting caught, but also achieves a favorable air intake effect according to the shape of the fan assembly.

In some embodiments, a plurality of ventilation holes are provided in the first side wall at a position corresponding to each of the fan assemblies, and each of the ventilation holes is arc-shaped, and The plurality of ventilation ports are arranged in a ring shape. It can be seen that the above design not only looks good and prevents foreign objects from being drawn in, but also achieves a favorable ventilation effect according to the shape of the fan assembly.

In some embodiments, each of the first part and the second part has a connecting end connected to the other part and a free end separated from the other part, and the connecting end The size of the corresponding air inlet of the fan assembly adjacent to the free end is smaller than the size of the corresponding air inlet of the fan assembly adjacent to the free end, and the outer diameter of the vane assembly adjacent to the connecting end is , smaller than an outer diameter of the vane assembly adjacent the free end. By designing the size of the air inlet of different sizes and the outer diameter of the vane assembly of different sizes, the size of the arcuate housing can be gradually reduced along the direction from the free end to the connecting end. , it can be seen that this is more suitable for the curve of the neck of the human body and improves the comfort of wearing.

In some embodiments, both the first portion and the second portion further include a cover plate, the cover plate disposed on a side of the second side wall remote from the first side wall corresponding to the air inlet. An air inlet gap is further formed between the edge of the cover plate and the second side wall and communicating with the air inlet. It can be seen that by placing a cover plate over the air inlet and letting air in through the air inlet gap and the air inlet, not only does it look beautiful, but it also prevents foreign matter from getting caught, improving safety. .

In some embodiments, the cover plate includes a cover plate body and a first attachment part provided on the cover plate body, and the second side wall includes a first attachment part that mates with the first attachment part. two attachment portions are provided, the first attachment portion mating with the second attachment portion for removably or movably attaching the cover plate to a side of the second side wall remote from the first side wall. The interlocking structure of the first mounting part and the second mounting part realizes a removable or movable mounting of the cover plate and the second side wall, which facilitates technical aspects such as convenient assembly and disassembly and convenient use. I can understand that it is effective.

In some embodiments, there are a first attachment state and a second attachment state between the first attachment part and the second attachment part, and in the first attachment state, the edge of the cover plate and the An air inlet gap communicating with the air inlet is formed between the cover plate and the second side wall, and in the second mounting configuration, an edge of the cover plate contacts the second side wall to seal the air inlet. There is a first mounting state and a second mounting state between the first mounting part and the second mounting part, and in the first mounting state, ingress of air can be achieved through the air inlet gap; It can be seen that in the second attached state, the air inlet gap is closed to seal the air inlet, thereby preventing dust from entering the casing and providing a dustproof effect.

In some embodiments, one of the first mounting portion and the second mounting portion is a mounting shaft, and the other of the first mounting portion and the second mounting portion is configured to accommodate and attach the mounting shaft. It is a mounting hole. Due to the structure of matching the mounting hole and the mounting shaft, the cover plate can be assembled to the second side wall, which has the technical effect of more convenient assembly.

In some embodiments, the second side wall includes a side wall main body and a recessed portion connected to the side wall main body and recessed toward the first side wall, and the air inlet is connected to the recessed portion. and the cover plate is disposed over the recess, the cover plate at least partially connecting with an edge of the side wall body connected to the recess to form the air inlet gap. It can be seen that the design of the recessed portion is useful for reducing the overall size of the neck fan and improving its aesthetic appearance.

In some embodiments, each fan assembly has a drive shaft and a vane assembly attached to the drive shaft, the drive shaft extending in a direction of the first sidewall toward the second sidewall. The partition plate is connected to a surface of the first side wall facing the second side wall and extends toward the second side wall. Each fan assembly has a drive shaft and a vane assembly attached to the drive shaft, the drive shaft extending from the first side wall in a direction toward the second side wall of the first side wall. The thickness of the casing in the direction toward the second side wall can be made thinner to improve wearing comfort, and the extension direction of the partition plate matches the extension direction of the drive shaft, allowing for compact assembly of parts and hanging. It can be seen that this also helps in reducing the overall size of the fan.

In some embodiments, the partition plate includes a main body, a first guide, and a second guide, and the first side wall includes an inner wall, an upper wall connected to both sides of the inner wall, and a lower wall. a wall, the air outlet is located on the top wall, one end of the body portion is connected to one end of the bottom wall adjacent to the end plate portion, and the other end of the body portion is connected to the center of the top wall. an arcuate first portion extending toward a central portion of the top wall and adjacent to a central portion of the top wall, the first guide portion being disposed around an outer periphery of the vane assembly adjacent to the end plate portion; a second portion connected between the first portion and the upper wall, the second guide portion being connected to the main body portion and disposed around the outer periphery of the adjacent blade assembly; Ru. The main body part is mainly used to define two storage parts, and the first guide part and the second guide part are respectively used to guide the wind by conforming to the outer shape of the blade assembly, and more. It can be understood that a good air guidance effect can be achieved.

In some embodiments, the neck fan further includes an electric control assembly having a battery and a circuit board, and the second guide part and the main body part surround a storage space between the second guide part and the main body part, and the storage space includes the second guide part and the main body part. Used to house at least a portion of the electrical control assembly. By storing the electric control assembly in the storage space, the heat of the electric control assembly can be prevented from being transmitted to the storage part and will not affect the cooling effect, and further, with such a design, It is understood that heat dissipation and wiring for the electrical control assembly can be designed independently to improve the safety of electricity consumption.

In some embodiments, the electrical control assembly further includes a switch button and a data port, and the second sidewall of the second portion has a first opening corresponding to the switch button and a first opening corresponding to the data port. a second opening, the switch button being mounted in correspondence with the first opening and connected to the circuit board; and the data port being mounted in correspondence with the second opening. Connect to the circuit board. The design of the switch button and data port in the above positions makes it easy for the user to operate and use, and improves the user experience.

In some embodiments, the second side wall includes a side wall body and an auxiliary plate, the auxiliary plate corresponding to the shape and position of the partition plate, and connected between the side wall body and the partition plate. Ru. It can be seen that the auxiliary plate can be further combined with the partition plate to surround the air duct of the fan assembly to achieve a better wind guiding effect.

In some embodiments, the partition plate includes a main body portion and a guide portion, the shape of the main body portion conforms to at least a portion of the outer shape of the fan assembly, and the partition plate is disposed around an outer periphery of the fan assembly, The guide part is connected to the main body part and forms an air duct that communicates with the air outlet together with the side wall structure. It is understood that by adapting the outer shape of the fan assembly to the main body part and surrounding the air duct communicating with the air outlet by the guide part and the side wall structure, a better wind guiding effect can be achieved and the air inlet and outlet efficiency can be improved. can.

In some embodiments, in the first portion and the second portion, the guide portion includes a first guide portion located between two of the fan assemblies, and a first guide portion located between the other of the fan assemblies. a second guide part located on a side away from the second part, the second guide part extending from one of the first part and the second part toward the other; A side of the guide part remote from the air duct surrounds a storage space together with the side wall structure, and the neck fan further includes an electric control assembly having a battery and a circuit board, and the storage space includes a battery and a circuit board. used to accommodate at least one of the following. It can be seen that by arranging the electric control assembly in the storage space, the configuration of the neck fan can be effectively balanced and the wearing comfort can be improved.

In order to more clearly explain the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings necessary for explaining the embodiments or the prior art will be briefly introduced below. Moreover, the drawings in the following description are only examples of the present application, and it goes without saying that those skilled in the art can obtain other drawings based on the provided drawings without creative efforts.
1 is a schematic diagram of a three-dimensional structure of a neck fan according to a first embodiment of the present application; FIG. FIG. 2 is a three-dimensional exploded schematic diagram of the neck fan shown in FIG. 1. FIG. FIG. 2 is a schematic three-dimensional structure diagram of a neck fan according to a second embodiment of the present application. FIG. 4 is a three-dimensional exploded schematic diagram of the neck fan shown in FIG. 3;

Hereinafter, the technical solutions in the embodiments of the present application will be clearly and completely explained with reference to the drawings in the embodiments of the present application. Further, it goes without saying that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments in this application without creative efforts are also included in the protection scope of this application.

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

In order to make the solution of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Further, it goes without saying that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of this application.

Terms such as "first," "second," and "third" in the specification, claims, and drawings of this application are used not to describe a particular order, but to distinguish between different objects. used for. Also, the term "comprising" and variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the steps or units listed, but may optionally further include steps or units not listed, or may optionally include steps or units not listed. Other steps or units specific to these processes, methods, products or devices may be included.

<First example>
Referring to FIGS. 1 and 2, FIG. 1 is a three-dimensional structure schematic diagram of a neck fan 30 according to a first embodiment of the present application, and FIG. 2 is a three-dimensional exploded schematic diagram of the neck fan 30 shown in FIG. . The neck fan 30 may include an arc-shaped housing 10 and at least four fan assemblies 20, and the fan assemblies 20 may be housed within the arc-shaped housing 10. It can be understood that this embodiment will mainly be described with reference to an example in which the neck fan 30 includes four fan assemblies 20.

The arc-shaped housing 10 can be worn on the nape of a human body. The arc-shaped housing 10 has a first part 11 and a second part 12, and the first part 11 and the second part 12 are respectively located on both sides of the nape of the human body. Each of the second portions 12 is connected to an inner wall 101 near the nape of the human body, an outer wall 102 provided opposite to the inner wall 101, and between the inner wall 101 and the outer wall 102. , an upper wall 103 near the head of the human body, and a lower wall 104 connected between the inner wall 101 and the outer wall 102 and provided opposite to the upper wall 103.

The storage chamber 105 is surrounded by the inner wall 101, the outer wall 102, the upper wall 103, and the lower wall 104, and the first portion 11 and the second portion 12 each have an air passageway communicating with the storage chamber 105. It further includes an inlet 106 and an air outlet 107. Specifically, in this embodiment, the inner wall 101, the lower wall 104, and the upper wall 103 may be integrally connected (for example, in an integrally molded structure) to form a first side wall, and the outer wall Reference numeral 102 may be a second side wall provided opposite to the first side wall, and the storage chamber 105 is formed surrounded by the first side wall and the second side wall.

The storage chamber 105 is further provided with at least one partition plate 13, and the at least one partition plate 13 divides the storage chamber 105 into at least one partition plate provided in order along the extending direction of the arc-shaped housing 10. Divided into two storage parts 105a, 105b, each storage part 105a, 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 storage sections 105a, 105b, and directs air from the air inlet 106 corresponding to the storage section 105a, 105b to the air outlet 107 corresponding to the storage section 105a, 105b. Used to guide and blow out. The number of air outlets 107 is plural, and the plurality of air outlets 107 are provided along the extending direction of the arcuate housing 10, and the size and shape of the plurality of air outlets 107 and/or two adjacent air outlets 107 are The distance between the outlets 107 gradually changes in a predetermined manner along the direction of extension of the arcuate housing 10.

Compared to the prior art, in the neck fan 30 of the above embodiment, the arcuate housing 10 has a first portion 11 and a second portion 12 located on both sides of the nape of the human body, and the first portion Each of the section 11 and the second section 12 has a storage chamber 105 and an air inlet 106 and an air outlet 107 that communicate with the storage chamber 105, and each storage chamber 105 is divided into at least two storage sections 105a, 105b by a partition plate 13. Each fan assembly 20 is located in the housing portions 105a and 105b, and can guide the air from the air inlet 106 to the air outlet 107 and blow it out. Since the fan assembly 20 is located within the storage chamber 105, foreign objects such as hair are not easily drawn into the fan assembly, thereby improving safety and convenience of use. The at least four fan assemblies 20 are located in at least four storage parts 105a and 105b provided along the extension direction. Since there are multiple storage parts 105a and 105b, the length of the air duct of each storage part 105a and 105b is short, and the movement of the air in each storage part 105a and 105b not only reduces the concentration of air but also makes the air flow comfortable. It is also possible to reduce noise and reduce air volume loss. The inventor of the present application has discovered through research that generally the longer the air duct, the longer the flow time of the wind inside the casing, which causes more noise and loss of air volume. It was discovered that by doing so, the problems of noise and large airflow losses could be significantly improved. Furthermore, by designing the air outlet 107 with the above-mentioned extension direction, size, shape, and spacing, the air blowing from the neck fan 30 can be made more comfortable and soft, and the user's usage experience can be improved.

Each fan assembly 20 has a drive shaft 21 and a blade assembly 22 attached to the drive shaft 21, and the drive shaft 21 extends in a direction toward the outer wall 102 of the inner wall 101, The thickness of the casing in the direction from the inner wall 101 to the outer wall 102 can be reduced to improve wearing comfort.

Further, the air inlet 106 is provided on the outer wall 102 and the air outlet 107 is provided on the upper wall 103. Placing the air inlet 106 on the outer wall 102 makes it very easy to take in air because the outer wall 102 faces the outside, making air intake smooth; and in combination with the drive shaft 21 extending along the direction of the inner wall 101 toward the outer wall 102, the vane assembly 20 can directly guide the wind from the air inlet 106 to the air outlet 107, Higher wind guiding efficiency can be achieved, and furthermore, the air outlet 107 is arranged on the upper wall 103, so that the air is blown towards the face and head of the human body, and has a better rapid cooling effect. Understand what can be achieved.

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

Additionally, each fan assembly 20 corresponds to a plurality of air inlets 106. It can be seen that air enters through the plurality of air inlets 106, and not only does it look beautiful, but it also prevents foreign matter from getting caught, improving safety.

Further, the number of the air inlets 106 corresponding to each of the fan assemblies 20 is the same, and the plurality of air inlets 106 corresponding to each of the fan assemblies 20 are arranged in an annular shape. It can be seen that the above design not only looks good and prevents foreign matter from being drawn in, but also achieves a favorable air intake effect in accordance with the shape of the fan assembly 20.

Furthermore, a plurality of ventilation holes 108 are provided at positions corresponding to each of the fan assemblies 20 on the inner wall 101, each of the ventilation holes 108 having an arc shape, and a plurality of ventilation holes 108 corresponding to each of the fan assemblies 20 The ventilation ports 108 are arranged in an annular manner. It can be seen that the above design not only looks good and prevents foreign matter from being drawn in, but also provides a favorable ventilation effect in accordance with the shape of the fan assembly 20.

Further, the blade assembly 20 is a turbine blade assembly. It can be seen that by adopting the turbine blade assembly, lower noise and higher safety effects can be achieved.

Furthermore, the neck fan 30 further includes a connecting 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, and in this embodiment, the connecting portion 14 is used to connect the first portion 11 and the second portion together. However, in other embodiments, the connecting portion 14 is integrally molded with one of the first portion 11 and the second portion 12, and is further molded with the first portion 11. It may be assembled and connected together with the other of the second portions 12. The structure of the connecting portion 14 varies and will not be repeated here.

The first portion 11 and the second portion 12 are located at one end remote from the connecting portion 14 and are connected between the upper wall 103, the lower wall 104, the inner wall 101, and the outer wall 102. It further includes an end plate portion 109. The size of the corresponding air inlet 106 of the fan assembly 20 adjacent to the connection portion 14 is smaller than the size of the corresponding air inlet 106 of the fan assembly 20 adjacent to the end plate portion 109; The outer diameter of the vane assembly 20 adjacent to 14 is smaller than the outer diameter of the vane assembly 14 adjacent to the end plate portion 109 . In other words, in the first portion 11 and the second portion 12, one end where the end plate portion 109 is arranged can be defined as a free end, and one end adjacent to the connecting portion 14 can be defined as a connecting end. It can be defined as In this embodiment, the size of the corresponding air inlet 106 of the fan assembly 20 adjacent to the connecting end is smaller than the size of the corresponding air inlet 106 of the fan assembly 20 adjacent to the free end; The outer diameter of the vane assembly 20 adjacent to the connecting end is smaller than the outer diameter of the vane assembly 20 adjacent to the free end. The size of the arc-shaped housing 10 is gradually reduced along the direction from the end plate part 109 to the connection part 14 by the size design of the air inlet 106 of different size and the outer diameter design of the blade assembly 20 of different size. It can be seen that this is more suitable for the curve of the neck of the human body and improves wearing comfort. In this embodiment, the shape of the end plate portion 109 is arcuate, which not only provides a good appearance and a good wearing feeling, but also provides better air inflow and outflow effects in accordance with the shape of the storage portion 105a and the shape of the fan assembly 20. can be achieved.

In addition, in the first part 11 or the second part 12, the inner wall 101, the upper wall 103, the lower wall 104, the end plate part 109, and the partition plate 13 may have an integrally molded structure. , it can be understood that the outer wall 102 may be integrally engaged with the upper wall 103, the lower wall 104, and the end plate part 109 via a locking member. There are various forms of engagement or other integral connections, all of which are applicable and will not be repeated here.

Further, the number of the air outlets 107 is plural, and the plurality of air outlets 107 are arranged along the extending direction of the arc-shaped housing 10, extend to a position adjacent to the connection part 14, and The size of the air outlet 107 gradually decreases in the direction from the end plate portion 109 toward the connection portion. The plurality of air outlets 107 can increase safety, and the plurality of air outlets 107 gradually become smaller along the direction from the end plate part 109 toward the connecting part 14, and the air outlets 107 gradually become smaller. By concentrating the airflow, the strength of the airflow can be improved, and in combination with the storage parts 105a and 105b where the air volume is gradually lost along the direction of extension of the air duct, the entire airflow can be made more uniform and comfortable. I understand that it is possible. Specifically, the direction in which the first portion 11 moves toward the second portion 12 can be defined as a first extension direction D1, and the size of the plurality of air outlets 107 of the first portion 11 is determined by the first extension direction D1. A direction in which the second portion 12 gradually becomes smaller along the elongation direction D1 and moves toward the first portion 11 can be defined as a second elongation direction D2, and the plurality of air outlets 107 of the second portion 12 The size gradually decreases along the second elongation direction D2. Further, the air outlet 107 is a rod-shaped air inlet, and the extending direction of the rod-shaped air inlet forms a preset included angle with the extending direction of the arc-shaped housing 10, and the preset included angle is It may be 90 degrees. It can be seen that by designing the air outlet 107 in the above-described extending direction, the air blowing from the neck fan 30 can be made more comfortable and soft, and the user's usage experience can be improved. In particular, the preset included angle is 90 degrees, and the air blowing efficiency of the air outlet 107 is also high.

Furthermore, the partition plate 13 is connected to a surface of the inner wall 101 facing the outer wall 102 and extends toward the outer wall 102 . The partition plate 13 includes a main body part 130, a first guide part 131, and a second guide part 132, one end of the main body part 130 is connected to one end of the lower wall 104 adjacent to the end plate part 109, The other end of the main body part 130 extends toward the center of the upper wall 103 and is adjacent to the center of the upper wall 103, and the first guide part 131 is adjacent to the end plate part 109. The second guide portion includes an arc-shaped first portion 131a provided around the outer periphery of the blade assembly 20, and a second portion 131b connected between the first portion 131a and the upper wall 103. 132 is connected to the main body part 130 and is provided around the outer periphery of the vane assembly 20 adjacent to the connection part 14 . The main body part 130 is mainly used to define two storage parts 105a and 105b, and the first guide part 131 and the second guide part 132 are adapted to the outer shape of the blade assembly 20 to guide the wind. It can be understood that this is used to provide better ventilation guidance effects.

Further, one end of the second guide section 132 remote from the main body section 130 extends to the connection section 14, and the second guide section 132 extends along the direction from the end plate section 109 toward the connection section 14. The distance between the lower wall 104 and the lower wall 104 gradually decreases until a tangent is reached, and then gradually increases and is maintained within a preset distance value range. The preset distance value can be set according to actual needs, specifically, it can be half the distance between the upper wall 103 and the lower wall 104. The above-described design of the second guide part 132 allows the air duct to extend to the position of the connection part 14, and by combining it with the air outlet 107 extending to the position of the connection part 14, the air duct can extend to the position of the connection part 14. The air blowing range of the neck fan 30 is wide, and the cooling effect is favorable.

Furthermore, the neck fan 30 further includes an electric control assembly 15 having a battery (not shown) and a circuit board 151, and a storage space 133 is surrounded between the second guide part 132 and the main body part 130. , the storage space 133 is used to accommodate at least a portion of the electrical control assembly 15. By storing the electric control assembly 15 in the storage space 133, the heat of the electric control assembly 15 can be prevented from entering the storage parts 105a, 105b and will not affect the cooling effect, and further, It can be seen that such a design allows the heat dissipation, wiring, etc. to be independently designed for the electrical control assembly 15, thereby increasing the safety of electricity consumption.

The electrical control assembly 15 further includes a switch button 152 and a data port 153, and the outer wall 102 of the second portion 12 corresponds to the first opening 102a corresponding to the switch button 152 and the data port 153. The switch button 152 is attached to the first opening 102a and connected to the circuit board 151, and the data port 153 is connected to the second opening 102b. The circuit board 151 is attached to the circuit board 151 and connected to the circuit board 151. The design of the switch button 152 and the data port 153 in the above positions allows the user to easily operate and use it, improving the user's experience. Furthermore, it can be seen that, except for the electrical control assembly 15, the structures and elements of the first part 11 and the second part 12 are all symmetrically arranged to enhance wearing comfort.

Further, the outer wall 102 includes a side wall main body 1021 and an auxiliary plate 1022 (signs are reversed in the figure), and the auxiliary plate 1022 corresponds to the shape and position of the partition plate 13, and the side wall main body 1021 and the partition plate 13. It can be seen that the auxiliary plate 1022 is further combined with the partition plate 13 to surround the air duct of the fan assembly 20 to achieve a better wind guiding effect.

<Second example>
Referring to FIGS. 3 and 4, FIG. 3 is a three-dimensional structure schematic diagram of a neck fan 30 according to a second embodiment of the present application, and FIG. 4 is a three-dimensional exploded schematic diagram of the neck fan 30 shown in FIG. . The neck fan 30 may include an arc-shaped housing 10 and at least four fan assemblies 20, and the fan assemblies 20 may be housed within the arc-shaped housing 10. It will be understood that this embodiment will mainly be described with an example in which the neck fan 30 includes four fan assemblies 20.

The arc-shaped housing 10 can be attached to the nape of the human body, and has a first part 11 and a second part 12 located on both sides of the nape of the human body, and the first part 11 and the second part 12 both include a side wall structure surrounding a storage chamber 105, and each of the first portion 11 and the second portion 12 further includes an air inlet 106 and an air outlet 107 communicating with the storage chamber 105, respectively.

The storage chamber 105 is further provided with at least one partition plate 13, and the at least one partition plate 13 divides the storage chamber 105 into at least one partition plate provided in order along the extending direction of the arc-shaped housing 10. Divided into two storage parts 105a, 105b, each storage part 105a, 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 storage parts 105a, 105b, and the air from the air inlet 106 corresponding to the storage part 105a, 105b is transferred to the air outlet 107 corresponding to the storage part 105a, 105b. Used to guide and blow out. The number of the air outlets 107 is plural, and the plurality of air outlets 107 are provided along the extending direction of the arcuate housing 10, and the size and shape of the plurality of air outlets 107 and/or two adjacent air outlets 107 are The distance between the outlets 107 gradually changes in a predetermined manner along the direction of extension of the arcuate housing 10.

Compared to the prior art, in the neck fan 30 of the above embodiment, the arcuate housing 10 has a first portion 11 and a second portion 12 located on both sides of the nape of the human body, and Each of the section 11 and the second section 12 has a storage chamber 105 and an air inlet 106 and an air outlet 107 communicating with the storage chamber 105, and each storage chamber 105 is divided into at least two storage sections 105a and 105b by a partition plate 13. The fan assemblies 20 are divided and each fan assembly 20 is located in the housing parts 105a and 105b, and can guide the air from the air inlet 106 to the air outlet 107 and blow it out. Since the fan assembly 20 is located within the storage chamber 105, foreign objects such as hair are not easily drawn into the fan assembly, thereby improving the safety and convenience of use. The at least four fan assemblies 20 are located in at least four storage portions 105a and 105b provided along the extension direction. Since there are multiple storage parts 105a and 105b, the length of the air duct of each storage part 105a and 105b is short, and the movement of the air in each storage part 105a and 105b not only reduces the concentration of air but also makes the air flow comfortable. It is also possible to reduce noise and reduce air volume loss. The inventors of the present application have discovered through research that generally the longer the air duct, the longer the flow time of the wind inside the casing, which causes more noise and loss of air volume. We discovered that by doing so, we can significantly improve the problems of noise and large air volume losses.

Specifically, the side wall structure includes a first side wall 101' near the nape of the human body, and a second side wall 102 provided opposite to the first side wall 101', and the air inlet 106 is connected to the The air outlet 107 is provided in a second side wall 102, and the air outlet 107 is provided in a portion of the first side wall 101' that is close to the second side wall 102, or a portion of the second side wall 102 that is close to the first side wall 101'. It is set in. In this embodiment, the air outlet 107 is disposed at a portion of the first side wall 101' near the second side wall 102, and is used so as to be adjacent to the user's head and face.

Moreover, specifically, the direction in which the first portion 11 faces the second portion 12 can be defined as a first extension direction D1, and the size of the plurality of air outlets 107 of the first portion 11 is A direction in which the second portion 12 gradually becomes smaller along the first elongation direction D1 and moves toward the first portion 11 can be defined as a second elongation direction D2, and the plurality of air in the second portion 12 The size of the outlet 107 gradually decreases along the second elongation direction D2. Further, the air outlet 107 is a rod-shaped air inlet, and the extending direction of the rod-shaped air inlet forms a preset included angle with the extending direction of the arc-shaped housing 10, and the preset included angle is It may be 90 degrees. It can be seen that by designing the air outlet 107 in the above-described extending direction, the air blowing from the neck fan 30 can be made more comfortable and soft, and the user's usage experience can be improved. In particular, the preset included angle is 90 degrees, and the air blowing efficiency of the air outlet 107 is also high. In another embodiment, the shape of the air outlet 107 may be at least one of a petal shape and a heart shape. It can be seen that the petal-shaped or heart-shaped air outlet 107 has a technical effect of good uniformity of air blowing, and is more beautiful.

Further, each fan assembly 20 has a drive shaft 21 and a blade assembly 22 attached to the drive shaft 21, and the drive shaft 21 extends along the direction of the first side wall 101' toward the second side wall 102. By extension, the thickness of the casing in the direction from the first side wall 101' to the second side wall 102 can be reduced to improve wearing comfort.

Placing the air inlet 106 on the second side wall 102 makes it very easy to take in air because the second side wall 102 faces the outside, making the air intake smooth and further protecting the user's head and face. and a drive shaft 21 extending along the direction of the first side wall 101' toward the second side wall 102, the vane assembly 20 directs the air from the air inlet 106 to the air outlet. 107, which can achieve higher wind guiding efficiency, and furthermore, since the air outlet 107 is arranged in the part of the first side wall 101' adjacent to the face and head of the human body, It can be seen that by directing the air toward the face and head of the human body, a better rapid cooling effect can be achieved.

A plurality of ventilation holes 108 are provided at positions corresponding to each of the fan assemblies 20 on the first side wall 101', and each of the ventilation holes 108 has an arc shape, and The ventilation ports 108 are arranged in an annular manner. It can be seen that the above design not only looks good and prevents foreign matter from being drawn in, but also provides a favorable ventilation effect in accordance with the shape of the fan assembly 20.

Furthermore, each of the first part 11 and the second part 12 has a connecting end 10a connected to the other part and a free end 10b separated from the other part, and the connecting end 10b is separated from the other part. The size of the corresponding air inlet 106 of the fan assembly 20 adjacent to the free end 10b is smaller than the size of the corresponding air inlet 106 of the fan assembly 20 adjacent to the free end 10b and adjacent to the connecting end 10a. The outer diameter of the vane assembly 20 is smaller than the outer diameter of the vane assembly 20 adjacent the free end 10b. The size of the arc-shaped housing is gradually reduced along the direction from the free end 10b to the connecting end 10a by the size design of the air inlet 106 of different sizes and the outer diameter design of the vane assembly 20 of different sizes. It can be seen that this is more suitable for the curve of the neck of the human body and improves the comfort of wearing.

In this embodiment, both the first part 11 and the second part 12 further include a cover plate 16, which covers the first side wall of the second side wall 102 in correspondence with the air inlet 106. An air inlet gap 161 is further formed between the edge of the cover plate 16 and the second side wall 102 and communicated with the air inlet 106, which is disposed on the side remote from the cover plate 101'. Further, the second side wall 102 includes a side wall main body 102c and a recess 102d connected to the side wall main body 102c and recessed toward the first side wall 101', and the air inlet 106 is connected to the recess 102d. 102d, the cover plate 16 is disposed over the recess 102d, and the cover plate 16 is at least partially connected to an edge of the side wall body 102c connected to the recess 102d to open the air inlet. A gap 161 is formed. By covering the air inlet 106 with the cover plate 16 and letting air in through the air inlet gap 161 and the air inlet 106, it not only looks beautiful, but also prevents foreign matter from getting caught, improving safety. I can understand that. The design of the recessed portion 102d also helps in reducing the overall size of the neck fan 30 and improving its appearance.

Further, the cover plate 16 includes a cover plate main body 162 and a first mounting portion 163 provided on a side of the cover plate main body 162 adjacent to the second side wall 102 . , a second mounting portion 102e may be provided adjacent to the cover plate 16 and mating with the first mounting portion 163. Specifically, the second attachment part 102e may be provided at a position between the plurality of air inlets 106 on the recessed part 102d.

Further, the cover plate 16 includes a cover plate main body 162 and a first mounting part 163 provided on the cover plate main body 162, and the second side wall 102 is provided with a first mounting part 163. A second attachment portion 102e is provided, and the first attachment portion 163 is assembled with the second attachment portion 102e to place the cover plate 16 on the side of the second side wall 102 away from the first side wall 101' (for example, , removably or movably attached). Due to the structure in which the first mounting part 163 and the second mounting part 102e are assembled, removable or movable mounting between the cover plate 16 and the second side wall 102 is realized, and convenient assembly and disassembly are possible. It can be understood that technical effects such as convenient use can be obtained. Specifically, the second mounting portion 102e may be disposed on the recessed portion 102d at a position between the plurality of air inlets 106.

Furthermore, there are a first mounting state and a second mounting state between the first mounting portion 163 and the second mounting portion 102e, and in the first mounting state, the edge of the cover plate 16 and the second mounting state An air inlet gap 161 communicating with the air inlet 106 is formed between the side wall 102 and the edge of the cover plate 16 contacts the second side wall 102 to seal the air inlet 106 in the second attached state. do. There are a first attachment state and a second attachment state between the first attachment part 163 and the second attachment part 102e, and in the first attachment state, air entry is achieved through the air inlet gap 161. In the second installed state, the air inlet gap 161 can be closed and the air inlet 106 can be sealed, thereby preventing dust from entering the inside of the casing when the neck fan 30 is not in use. It can be understood that this can be avoided and the dust prevention effect can be achieved.

It should be noted that it can be understood that the first mounting state and the second mounting state can be mutually converted. In some embodiments, switching between the first attachment state and the second attachment state is achieved by moving the cover plate 16 into the first attachment state by a configuration of the first attachment portion and the second attachment portion having a relationship such as an elastic engagement fit. This can be achieved when pushing the second side wall 102 in a certain direction. For example, when pressed for the first time, switching from the first attachment state to the second attachment state is achieved, and when pressed next, switching from the second attachment state to the first attachment state is realized. There are various structures for implementing the above push switching control, but they will not be described in detail here.

In this embodiment, the first mounting portion 163 is a mounting shaft connected to the cover plate main body 162, and the second mounting portion 102e is a mounting hole that is connected to the mounting shaft. Here, the first mounting portion 163 may be a mounting hole provided in the cover plate main body 162, and the second mounting portion 102e may be a mounting shaft that fits with the mounting hole. It can be seen that the cover plate 16 can be assembled to the second side wall 102 by the structure of matching the mounting hole and the mounting shaft, which has the technical effect of making the assembly more convenient.

In this embodiment, the partition plate 13 includes a main body part 131 and a guide part 132, the shape of the main body part 131 conforms to at least a part of the outer shape of the fan assembly 20, and the partition plate 13 is arranged around the outer periphery of the fan assembly 20. The guide part 132 is connected to the main body part 131 and is used to form an air duct that communicates with the air outlet 107 together with the side wall structure. By adapting the outer shape of the fan assembly 20 to the main body part 131 and surrounding the air duct 17 communicating with the air outlet 107 by the guide part 132 and the side wall structure, a better wind guiding effect can be achieved and the air inlet and outlet efficiency can be improved. I understand that it is possible to improve

In addition, in the first portion 11 and the second portion 12, the guide portion 132 includes a first guide portion 132a located between the two fan assemblies 20, and the other fan of the fan assembly 20. a second guide part 132b located on a side remote from the assembly 20, the second guide part 132b extending from one of the first part 11 and the second part 12 toward the other. The side of the second guide part 132b remote from the air duct 17 surrounds the storage space 18 together with the side wall structure, and the neck fan 30 may further include an electric control assembly 15, The control assembly 15 includes a battery and a circuit board, and the storage space 18 may be used to accommodate at least one of the battery and the circuit board. It can be seen that by disposing the electric control assembly 15 in the storage space 18, the configuration of the neck fan 30 can be effectively balanced and the wearing comfort can be improved.

Additionally, the blade assembly 20 may be a turbine blade assembly. It can be seen that by adopting the turbine blade assembly, lower noise and higher safety effects can be achieved.

The above examples are only used to explain the technical solutions of the present invention, and do not limit them. Although the present invention has been explained in detail with reference to the above-mentioned embodiments, a person skilled in the art can still make modifications to the technical solutions described in each of the above-mentioned embodiments, or Equivalent substitutions can be carried out for some of the technical features, and these modifications or substitutions take the essence of the corresponding technical solution out of the scope of the technical solution of each embodiment of the invention. You should understand that you will not be allowed to deviate from this.

Claims (14)

A neck fan comprising an arcuate housing and at least four fan assemblies, the fan comprising:
The arc-shaped housing can be attached to the nape of the human body, and has a first part and a second part located on both sides of the nape of the human body, and the first part and the second part are both a side wall structure surrounding a storage chamber, the first part and the second part each further having an air inlet and an air outlet communicating with the storage chamber, and the storage chamber is provided with at least one partition plate. , the at least one partition plate divides the storage chamber into at least two storage parts sequentially provided along the extension direction of the arcuate housing, each storage part including a part of the air inlet and a part of the air inlet. corresponding to a portion of the air outlet;
Each of the fan assemblies is located in a corresponding one of the storage parts and is used to guide and blow out the air from the air inlet corresponding to the storage part to the air outlet corresponding to the storage part, and The number of air outlets is plural, and the plurality of air outlets are provided along the extension direction of the arcuate housing, and the size, shape, and/or distance between two adjacent air outlets of the plurality of air outlets are determined. gradually changes in a preset manner along the direction of extension of the arcuate housing ;
The side wall structure includes a first side wall near the neck of the human body and a second side wall provided opposite to the first side wall, the air inlet is provided in the second side wall, and the air outlet is provided in the second side wall. is provided in a portion of the first side wall near the second side wall, or provided in a portion of the second side wall near the first side wall,
Both the first part and the second part further include a cover plate, and the cover plate is disposed on a side of the second side wall remote from the first side wall corresponding to the air inlet, and an air inlet gap communicating with the air inlet is further formed between an edge of the cover plate and the second side wall;
The cover plate includes a cover plate main body and a first mounting part provided on the cover plate main body, and the second side wall is provided with a second mounting part that fits with the first mounting part, The first attachment part is configured to be removably or movably attached to the second side wall on the side of the second side wall remote from the first side wall in conjunction with the second attachment part,
There are a first attachment state and a second attachment state between the first attachment part and the second attachment part, and in the first attachment state, there is a gap between the edge of the cover plate and the second side wall. An air inlet gap communicating with the air inlet is formed, and in the second installed state, an edge of the cover plate contacts the second side wall to seal the air inlet . If the direction in which the first portion moves toward the second portion is defined as a first elongation direction, the size of the plurality of air outlets of the first portion gradually decreases along the first elongation direction, and the size of the plurality of air outlets of the first portion gradually decreases along the first elongation direction. 2 . The air outlet according to claim 1 , wherein a direction in which a portion faces the first portion is defined as a second elongation direction, and the size of the plurality of air outlets of the second portion gradually decreases along the second elongation direction. Neck fan. The air outlet is a rod-shaped air outlet , and the extending direction of the rod-shaped air outlet forms a preset included angle with the extending direction of the arc-shaped housing, and the preset included angle is 90 degrees. The neck fan according to claim 1. The neck fan according to claim 1, wherein the shape of the air outlet is at least one of a petal shape and a heart shape. Each fan assembly corresponds to a plurality of air inlets, the number of corresponding air inlets of each fan assembly is the same, and the corresponding plurality of air inlets of each fan assembly has an annular shape; A plurality of ventilation holes are provided in the first side wall at positions corresponding to each of the fan assemblies, each of the ventilation holes having an arc shape, and the corresponding plurality of ventilation holes of each of the fan assemblies arranged in an annular shape. The neck fan according to claim 1 . Each of the first part and the second part has a connecting end connected to the other part and a free end separated from the other part, and the fan assembly adjacent to the connecting end has a connecting end connected to the other part and a free end separated from the other part. The size of the corresponding air inlet is smaller than the size of the corresponding air inlet of the fan assembly adjacent the free end, and the outer diameter of the vane assembly adjacent the connecting end is smaller than the size of the corresponding air inlet of the fan assembly adjacent the free end. The neck fan of claim 1 , wherein the neck fan is smaller than the outer diameter of the blade assembly. The second side wall includes a side wall main body and a recessed part connected to the side wall main body and recessed toward the first side wall, the air inlet is located in the recessed part, and the cover plate is The neck fan of claim 1 , wherein the cover plate is disposed over the recess and is at least partially connected to an edge of the side wall body connected to the recess to form the air inlet gap. One of the first mounting part and the second mounting part is a mounting shaft, and the other of the first mounting part and the second mounting part is a mounting hole for housing and mounting the mounting shaft. The neck fan described in 1 . Each of the fan assemblies has a drive shaft and a blade assembly attached to the drive shaft, the drive shaft extending in a direction of the first side wall toward the second side wall, and the drive shaft extending toward the second side wall of the partition plate. is connected to a surface of the first side wall facing the second side wall and extends toward the second side wall. The partition plate includes a main body part, a first guide part, and a second guide part, the first side wall includes an inner wall, an upper wall and a lower wall connected to both sides of the inner wall, and the air outlet is located on the upper wall, one end of the main body portion is connected to one end adjacent to the end plate portion of the lower wall, the other end of the main body portion extends toward the center of the upper wall, Adjacent to a central portion of the upper wall, the first guide portion includes an arc-shaped first portion provided around an outer periphery of the vane assembly adjacent to the end plate portion, and a first portion and the upper wall. a second portion connected between the blade assembly, and the second guide portion is connected to the main body portion and is disposed around the outer periphery of the adjacent blade assembly. Hanging fan. further comprising an electrical control assembly having a battery and a circuit board, the second guide part and the main body part surrounding a storage space, the storage space for accommodating at least a portion of the electrical control assembly. wherein the electrical control assembly further includes a switch button and a data port, and the second side wall of the second portion has a first opening corresponding to the switch button and a second opening corresponding to the data port. the switch button is mounted corresponding to the first opening and connected to the circuit board, and the data port is mounted corresponding to the second opening and connected to the circuit board. The neck fan according to claim 10 . The second side wall includes a side wall main body and an auxiliary plate, the auxiliary plate corresponds to the shape and position of the partition plate, and is connected between the side wall main body and the partition plate . Neck fan. The partition plate includes a main body part and a guide part, the shape of the main body part matches at least a part of the outer shape of the fan assembly, and the partition plate is disposed around the outer periphery of the fan assembly, and the guide part is arranged around the outer periphery of the fan assembly. 10. The neck fan of claim 9 , wherein the fan is connected to a wall structure and forms an air duct in communication with the air outlet. In the first portion and the second portion, the guide portion includes a first guide portion located between the two fan assemblies, and a first guide portion located on a side of the fan assembly remote from the other fan assembly. a second guide part extending from one of the first part and the second part toward the other, and away from the air duct of the second guide part. the other side encloses a storage space together with the side wall structure, the neck fan further includes an electrical control assembly having a battery and a circuit board, and the storage space houses at least one of the battery and the circuit board. The neck fan according to claim 13 , which is used for.