CN217976668U - Head-mounted fan - Google Patents

Abstract

The utility model discloses a head-mounted fan; comprises a wearing piece, a shell, a fan component, a battery and a cap peak; the wearing piece is connected with the shell and used for wearing the shell on the head in a fitting manner; the shape of the shell is matched with the head, an air inlet and an air outlet are arranged on the shell, and the fan assembly and the battery are accommodated in the shell; the fan assembly is electrically connected with the battery and is used for leading out airflow entering from the air inlet through the air outlet; the visor is detachably and/or rotatably connected to the housing. The hat brim is of an independent structure, structures such as a fan assembly and the like are not arranged in the hat brim, the weight of the hat brim is reduced, and the wearing comfort level is improved.

Description

Head-mounted fan

Technical Field

The utility model relates to a fan technical field especially relates to a head-mounted fan.

Background

The fan is a tool for cooling by fresh air. The electric fan is a device which is driven by electricity to generate air flow, and blades arranged in the electric fan rotate after being electrified, so that mechanical energy is converted into wind energy, and the electric fan is converted into natural wind to achieve a cool effect. The fan convenient to carry and use comprises a head-mounted fan, namely the fan is worn on the head for daily use.

The existing head-mounted fan with the brim usually arranges the fan component in the brim, so that the brim is heavier and has poorer wearing comfort.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a head-mounted fan, solves the head-mounted fan and sets up fan assembly in the brim of a hat usually for the weight of brim of a hat department is heavier, wears the relatively poor problem of comfort level.

In order to solve the technical problem, the utility model discloses a technical scheme provide a head-mounted fan, include: the helmet comprises a wearing piece, a shell, a fan assembly, a battery and a brim; the wearing piece is connected with the shell and used for wearing the shell on the head in a fitting manner; the shape of the shell is matched with the head, an air inlet and an air outlet are arranged on the shell, and the fan assembly and the battery are accommodated in the shell; the fan assembly is electrically connected with the battery and is used for leading out airflow entering from the air inlet through the air outlet; the visor is detachably and/or rotatably connected to the housing.

Preferably, the housing comprises a first housing adjacent to the head and a second housing connected with the first housing and far away from the head, the second housing is provided with a first matching structure facing the visor, the visor is provided with a second matching structure facing the second housing, and the first matching structure and the second matching structure are matched, so that the visor and the second housing can be detachably connected and/or rotatably connected.

Preferably, the first matching structure is arranged at two ends of the second shell, the second matching structure is arranged at two ends of the cap peak, and the first matching structure and the second matching structure are pivoted so that the cap peak can rotate up and down.

Preferably, a containing cavity is arranged in the middle of the inside of the shell, a fan assembly is arranged in the containing cavity, the containing cavity is provided with a first exhaust port and a second exhaust port, two ends corresponding to the first exhaust port are respectively provided with a first air deflector and a second air deflector, the first air deflector, the second air deflector and the shell are enclosed to form a first air channel, two ends corresponding to the second exhaust port are respectively provided with a third air deflector and a fourth air deflector, the third air deflector, the fourth air deflector and the shell are enclosed to form a second air channel, and the first air channel and the second air channel are respectively positioned on the left side and the right side of the containing cavity; the first air channel is correspondingly provided with a first air outlet, the second air channel is correspondingly provided with a second air outlet, the first air outlet and the second air outlet are both arranged downwards, and air flow generated by the fan assembly flows out of the first air outlet and the second air outlet through the first air channel and the second air channel respectively.

Preferably, the shell comprises a first shell facing the head and a second shell connected with the first shell and far away from the head, the shell is also internally provided with a first wind gathering plate, the first wind gathering plate and the first shell are enclosed to form a third wind channel, the third wind channel corresponds to a third air outlet, the first wind gathering plate penetrates through a first flow dividing port in the first wind channel, the first flow dividing port is communicated with the first wind channel and the third wind channel, and partial air flow generated by the fan assembly enters the third wind channel from the first wind channel through the first flow dividing port and then flows out from the third air outlet; the second air gathering plate is arranged in the shell, the second air gathering plate, the third air deflector and the first shell are enclosed to form a fourth air channel, the fourth air channel corresponds to a fourth air outlet, a second diversion port penetrates through the third air deflector, the second diversion port is communicated with the second air channel and the fourth air channel, partial air flow generated by the fan assembly enters the fourth air channel from the second air channel through the second diversion port and then flows out from the fourth air outlet.

Preferably, the second air deflector, the accommodating cavity wall and the shell are enclosed together to form a main control cavity, the main control cavity is used for accommodating the main board, the third air deflector, the second air deflector, the accommodating cavity wall and the shell are enclosed to form a battery compartment, the battery compartment is located above the second air duct, and the battery compartment is used for accommodating a battery; the third air outlet and the fourth air outlet are both arranged towards the back.

Preferably, two accommodating cavities are symmetrically arranged in the shell, the two accommodating cavities are separated, the two fan assemblies are respectively arranged in the two accommodating cavities, the two accommodating cavities are respectively provided with a first air outlet and a second air outlet, two ends corresponding to the first air outlet are respectively provided with a first air deflector and a second air deflector, the first air deflector, the second air deflector and the shell are enclosed to form a first air channel, two ends corresponding to the second air outlet are respectively provided with a third air deflector and a fourth air deflector, the third air deflector, the fourth air deflector and the shell are enclosed to form a second air channel, and the first air channel and the second air channel are symmetrically arranged in the shell; the first air channel is correspondingly provided with a first air outlet, the second air channel is correspondingly provided with a second air outlet, the first air outlet and the second air outlet are both arranged downwards, and air flow generated by the fan assembly flows out of the first air outlet and the second air outlet through the first air channel and the second air channel respectively.

Preferably, the shell comprises a first shell facing the head, a second shell connected with the first shell and far away from the head, and a first air collecting plate, wherein the first air collecting plate, the first air deflector and the first shell enclose to form a third air channel, the third air channel corresponds to a third air outlet, a first flow dividing port penetrates through the first air deflector, the first flow dividing port is communicated with the first air channel and the third air channel, and part of air flow generated by the fan assembly enters the third air channel from the first air channel through the first flow dividing port and flows out from the third air outlet; the fan assembly is characterized in that a second air gathering plate is further arranged, the second air gathering plate, a third air deflector and a first shell are enclosed to form a fourth air channel, the fourth air channel corresponds to a fourth air outlet, a second diversion port penetrates through the third air deflector, the second diversion port is communicated with the second air channel and the fourth air channel, partial air flow generated by the fan assembly enters the fourth air channel from the second air channel through the second diversion port, and then flows out from the fourth air outlet.

Preferably, the casing is further provided with a first splitter plate and a second splitter plate, the first splitter plate and the second splitter plate are both arc-shaped, the first splitter plate is arranged in the middle of the first air duct and used for evenly splitting the air flow in the first air duct to the first air outlets on the two sides of the first splitter plate, and the second splitter plate is arranged in the middle of the second air duct and used for evenly splitting the air flow in the second air duct to the second air outlets on the two sides of the second splitter plate.

Preferably, the housing comprises a first housing facing the head and a second housing connected to the first housing and far away from the head, the fan assembly comprises centrifugal fans, and the air inlet comprises a first air inlet arranged in the first housing and a second air inlet arranged in the second housing corresponding to each centrifugal fan; the outer wall of the first shell is provided with a supporting part towards the head, a gap is formed between the supporting part and the first shell, and air flow enters the first air inlet from the gap.

The utility model has the advantages that: the hat brim is of an independent structure, and structures such as a fan assembly and the like are not arranged in the hat brim, so that the weight of the hat brim is reduced, and the wearing comfort level is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a head-mounted fan according to the present invention;

FIG. 2 is a schematic view of a brim of a hat according to an embodiment of the present invention;

fig. 3 is an exploded view of a housing and its internal structure according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a front view of a housing according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of the inside of the housing according to an embodiment of the head-mounted fan of the present invention;

fig. 6 is a schematic structural view of another direction inside the housing according to an embodiment of the head-mounted fan of the present invention;

fig. 7 is a schematic structural view of another direction inside the housing according to an embodiment of the head-mounted fan of the present invention;

fig. 8 is a schematic structural diagram of a first housing according to an embodiment of the head fan of the present invention;

fig. 9 is a schematic structural diagram of a first air deflector, a first air collecting plate and a first flow dividing plate according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a third air deflector and a second air deflector according to an embodiment of the present invention;

fig. 11 is a schematic structural view of another embodiment of a head-mounted fan according to the present invention;

fig. 12 is an exploded view of a housing and its internal structure according to another embodiment of the head fan of the present invention;

fig. 13 is a schematic structural view of the inside of a housing of another embodiment of a head-mounted fan according to the present invention;

fig. 14 is a schematic cross-sectional view of another embodiment of a head-mounted fan according to the present invention;

fig. 15 is a schematic structural view of a first housing according to another embodiment of the head fan of the present invention;

fig. 16 is a schematic structural view of another direction of the first casing according to another embodiment of the head-mounted fan of the present invention;

fig. 17 is a schematic structural view of a rear wall of a first housing according to another embodiment of the head fan of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

For the description of the present invention, the labels "front", "back", "up", "down", "left" and "right" shown in fig. 1 are used for promoting the understanding of the embodiment without limiting the invention. The front-back direction represents the longitudinal direction, the left-right direction represents the lateral direction, and the up-down direction represents the vertical direction.

Fig. 1-17 show embodiments of the head-mounted fan of the present invention, including: the wearing piece 10, the housing 20, the fan assembly 30, the battery 40, and the visor 50; the wearing piece 10 is connected with the shell 20 and is used for wearing the shell 20 on the head in a fitting manner; the shape of the shell 20 is matched with the head, an air inlet and an air outlet are arranged on the shell 20, and the fan assembly 30 and the battery 40 are accommodated in the shell 20; the fan assembly 30 is electrically connected with the battery 40, and the fan assembly 30 is used for guiding out the airflow entering from the air inlet through the air outlet; the visor 50 is removably and/or rotatably coupled to the housing 20.

The brim 50 is arranged to be an independent structure, and structures such as the fan assembly 30 are not arranged in the brim 50, so that the weight of the brim 50 is reduced, and the wearing comfort is improved. The visor 50 is arranged, so that a sun-shading effect can be achieved when the head fan is used outdoors. When the visor 50 is detachably connected to the housing 20, the visor 50 may be installed for sunshade when used outdoors, and the visor 50 may be detached when used indoors, which facilitates daily use and carrying.

The wearing piece 10 is an elastic wearing piece 10 (such as an elastic band, etc.), or a wearing piece 10 capable of adjusting the length (such as one end of the connection part of the wearing piece 10 is provided with a protrusion, the other end of the wearing piece 10 corresponding to the protrusion is provided with a plurality of grooves, the protrusion and the grooves are matched to connect the wearing piece 10, and the length of the wearing piece 10 is adjusted).

Preferably, as shown in fig. 3 and 12, the housing 20 has two ends extending in the head direction to form connecting portions 2011, the connecting portions 2011 are U-shaped, and two ends of the wearing piece 10 penetrate through the connecting portions 2011 at two sides respectively and are connected to the wearing piece 10.

As shown in fig. 3 and 12, the housing 20 includes a first housing 201 adjacent to the head and a second housing 202 connected to the first housing 201 and away from the head, the first housing 201 and the second housing 202 are both arc-shaped, and the first housing 201 is detachably connected to the second housing 202. The first casing 201 and the second casing 202 can be detachably connected by a buckle, or the first casing 201 and the second casing 202 can be connected by a bolt.

The second housing 202 is provided with a first mating structure 501 towards the visor 50, the visor 50 is provided with a second mating structure 502 towards the second housing 202, and the first mating structure 501 and the second mating structure 502 mate such that the visor 50 and the second housing 202 are detachably and/or rotatably connected.

Preferably, as shown in fig. 12, the visor 50 is detachably connected to the second housing 202 through a hook and loop fastener, a hair-shaped portion of the hook and loop fastener is arranged on the outer wall of the second housing 202 as a first engaging structure 501, and a hook-shaped portion of the hook and loop fastener is arranged on the inner edge of the visor 50 as a second engaging structure 502. The hair-like portion of the magic tape can be disposed at the lower portion of the outer wall of the second housing 202, can extend from one end of the second housing 202 to the other end, and can also be divided into two sections, which are disposed at two ends of the second housing 202 respectively. The hook-shaped part of the magic tape is arranged corresponding to the hair-shaped part. Based on the same concept, the hook portion of the hook and loop fastener may be disposed on the outer wall of the second housing 202, and the hair portion may be disposed on the inner edge of the visor 50.

Preferably, as shown in fig. 12, the first engaging structure 501 is a magnetic member, and the second engaging structure 502 is a magnet, which attracts the magnetic member, so that the visor 50 is detachably connected to the housing 20. The magnetic member may be disposed at a lower portion of an outer wall of the second casing 202, may extend from one end of the second casing 202 to the other end, or may be divided into two sections, which are disposed at two ends of the second casing 202 respectively. The magnet can be of a length corresponding to the magnetic part, or can be divided into a plurality of sections of lengths corresponding to the magnetic part. The magnetic part can be made of iron, cobalt, nickel and other metals, and the magnet is a permanent magnet capable of adsorbing iron, cobalt, nickel and other metals. Based on the same concept, the magnet may be disposed on the outer wall of the second housing 202, and the magnetic member may be disposed on the inner edge of the visor 50.

Preferably, the first engaging structure 501 is disposed at two ends of the second housing 202, the second engaging structure 502 is disposed at two ends of the visor 50, and the first engaging structure 501 and the second engaging structure 502 are pivotally connected, so that the visor 50 can rotate up and down.

As shown in fig. 2 and 3, the first mating structure 501 may also be a rotation hole provided at both ends of the second housing 202, and the second mating structure 502 may be a rotation shaft provided at the inner edge of the visor 50 to be fitted with the rotation hole. The shaft is inserted into the hole, so that the visor 50 is detachably and/or rotatably connected to the housing 20.

Screw holes may be formed at both ends of the second housing 202 and the middle portion of the rotation shaft, and screws may be screwed with the screw holes formed at the second housing 202 and the rotation shaft, so as to detachably and rotatably connect the visor 50 to the housing 20. The rotating shaft and the rotating hole can be in transition fit, the transition fit tolerance is preferably selected to be H6/k5, when no external force exists, the fit part has certain friction force to avoid the rotation of the matched structure, and when certain external force exists, the cap peak 50 can rotate for the shell 20 to a certain degree through the external force. The rotating shaft and the rotating hole may be provided with arc-shaped protrusions and grooves at intervals to limit the rotation angle of the visor 50. Through the above arrangement, the visor 50 can be detachably connected to the housing 20, and can also be rotatably connected. The rotating hole and the rotating shaft can also be connected in a mode that the rotating hole and the rotating shaft can only rotate relatively but cannot be detached. When rotatably coupled, the angle of rotation of the visor 50 may be adjusted to accommodate different scenarios. Based on the same concept, the rotation holes may be provided at both ends of the visor 50 and the rotation shafts may be provided at both ends of the second housing 202.

The fan assembly 30 can be vertically disposed and can also be longitudinally or transversely disposed, preferably, the fan assembly 30 is vertically disposed. The vertical arrangement can reduce the space occupied by the fan assembly in the longitudinal or transverse direction and reduce the volume of the housing 20.

Preferably, the fan assembly 30 comprises a centrifugal fan. The centrifugal fan has the advantages of less air inlet requirement, large air outlet quantity, stable operation and low noise.

In an embodiment, as shown in fig. 1 to 10, a containing cavity 303 is disposed in a middle portion of the housing 20, a fan assembly 30 is disposed in the containing cavity 303, the containing cavity 303 is provided with a first exhaust port 3031 and a second exhaust port 3032, a first air deflector 203 and a second air deflector 204 are respectively disposed at two ends corresponding to the first exhaust port 3031, the first air deflector 203, the second air deflector 204 and the housing 20 enclose to form a first air duct 2031, a third air deflector 205 and a fourth air deflector 206 are respectively disposed at two ends corresponding to the second exhaust port 3032, the third air deflector 205, the fourth air deflector 206 and the housing 20 enclose to form a second air duct 2051, and the first air duct 2031 and the second air duct 2051 are respectively located at left and right sides of the containing cavity 303; the first air duct 2031 corresponds to the first air outlet 221, the second air duct 2051 corresponds to the second air outlet 222, the first air outlet 221 and the second air outlet 222 are both arranged downward, and the air flow generated by the fan assembly 30 flows out from the first air outlet 221 and the second air outlet 222 through the first air duct 2031 and the second air duct 2051, respectively.

A first air duct 2031 is formed by enclosing the first air deflector 203, the second air deflector 204 and the casing 20, a second air duct 2051 is formed by enclosing the third air deflector 205, the fourth air deflector 206 and the casing 20, and the enclosed first air duct 2031 and the enclosed second air duct 2051 are both long and narrow. The air flow speed can be increased, the coverage area of the air flow can be increased, and the comfort degree of the head-mounted fan during use can be improved.

The height of the fan blade 302 of a general centrifugal fan applied to a head fan is generally 10-15mm, and the air output is small, so that two centrifugal fans are generally used to increase the air output. In the present invention, when a centrifugal fan is used, it is preferable that the height of the fan blade 302 of the centrifugal fan is 21 to 25mm. When a centrifugal fan is used, the height of the fan blade 302 is increased, so that the air output of the centrifugal fan with the increased height of the fan blade 302 can be equal to or close to the air output of two common centrifugal fans.

Preferably, as shown in fig. 9, the first air guiding plate 203 and the third air guiding plate 205 are respectively disposed at the middle portions of the left and right sides of the casing 20. Each of the first air guiding plate 203 and the third air guiding plate 205 includes an air guiding portion 2033 and a wind shielding portion 2034 connected to the air guiding portion 2033, one end of the air guiding portion 2033 is connected to the cavity wall 303 of the fan assembly 30 and is located above the air outlet of the accommodating cavity 303, the other end of the air guiding portion 2033 is adjacent to one end of the first air outlet 221 or the second air outlet 222 far away from the fan assembly 30 and is connected to the wind shielding portion 2034, and the wind shielding portion 2034 extends toward the direction of the first air outlet 221 or the second air outlet 222. The second air guiding plate 204 and the fourth air guiding plate 206 are arc-shaped and are disposed at the lower side in the housing 20. The wind blocking portion 2034 extends toward the first outlet 221 or the second outlet 222, and the fan assembly 30 blows air downward due to the arrangement of the first wind deflector 203 and the third wind deflector 205. The first air duct 2031 and the second air duct 2051 are respectively formed by the first air deflector 203, the third air deflector 205 and the casing 20 in a surrounding manner, and the first air duct 2031 and the second air duct 2051 are long and narrow, so that the flowing speed of the air flow can be increased, the coverage area of the air flow can be increased, and the comfort level of the head-mounted fan during use can be improved. Preferably, as shown in fig. 4, the first air deflector 203 is obliquely disposed in the housing 20, an upper end of the first air deflector 203 extends to the accommodating cavity 303 at the upper portion of the first exhaust port 3031, and a lower end of the first air deflector 203 extends to an end of the first exhaust port 221 away from the fan assembly 30, so that the first air duct 2031 is obliquely disposed relative to the housing 20. The third air deflector 205 is transversely disposed in the casing 20, the second air duct 2051 is located at the lower portion of the casing 20, and the second air duct 2051 is approximately horizontal. Therefore, the first air duct 2031 and the second air duct 2051 are in a vortex shape, so that the first air outlet 3031 and the second air outlet 3032 in the fan assembly 30 can be farthest away, the air exhausted by the first air outlet 3031 and the second air outlet 3032 is not affected by each other, the air flow flowing out from the first air outlet 3031 and the second air outlet 3032 is uniform, and the use comfort of the head-mounted fan is improved.

Preferably, as shown in fig. 4 to fig. 7, a first wind-gathering plate 207 is further disposed in the casing 20, the first wind-gathering plate 207 and the first casing 201 enclose to form a third air duct 2072, the third air duct 2072 corresponds to the third air outlet 223, a first split 2071 penetrates through the first air duct 2031 of the first wind-gathering plate 207, the first split 2071 communicates the first air duct 2031 and the third air duct 2072, and a part of the air flow generated by the fan assembly 30 enters the third air duct 2072 from the first air duct 2031 through the first split 2071 and then flows out from the third air outlet 223. The second wind collecting plate 208 is further arranged in the housing 20, the second wind collecting plate 208, the third wind collecting plate 205 and the first housing 201 are enclosed to form a fourth wind channel 2082, the fourth wind channel 2082 corresponds to the fourth wind outlet 224, the third wind collecting plate 205 is penetrated by a second split-flow opening 2081, the second split-flow opening 2081 is communicated with the second wind channel 2051 and the fourth wind channel 2082, and partial air flow generated by the fan assembly 30 enters the fourth wind channel 2082 from the second wind channel 2051 through the second split-flow opening 2081 and then flows out from the fourth wind outlet 224. The third air outlet 223 is located on the rear wall of the left side of the first casing 201, and the air outlet direction faces rearward. The fourth air outlet 224 is located on the rear wall of the right side of the first casing 201, and the air outlet direction is backward.

Preferably, as shown in fig. 6, the cross-sectional shape of the first wind collecting plate 207 may be U-shaped, arc-shaped or square, a first branch opening 2071 may be formed on the upper side of the first wind collecting plate 207 adjacent to the fan assembly 30, the first wind collecting plate 207 and the first casing 201 enclose to form a third wind duct 2072, and a third wind outlet 223 with a backward wind outlet direction is formed at a position corresponding to the third wind duct 2072, so that the fan assembly 30 can wind backward. The air is discharged to different directions, and the cooling effect of the head-mounted fan can be improved.

Preferably, as shown in fig. 7, the cross-sectional shape of the second wind collecting plate 208 may be U-shaped, arc-shaped, or square, a second flow splitting opening 2081 may be formed on the lower side of the second wind collecting plate 208 adjacent to the fan assembly 30, the second wind collecting plate 208 and the first housing 201 enclose to form a fourth wind duct 2082, and a fourth wind outlet 224 with a backward wind outlet direction is formed at a position corresponding to the fourth wind duct 2082, so that the fan assembly 30 can wind backward. The air is discharged to different directions, and the cooling effect of the head-mounted fan can be improved.

When in use, only the first air guiding plate 203 and the third air guiding plate 205 may be disposed to realize downward air outlet of the fan assembly 30. Only the first wind collecting plate 207 and the second wind collecting plate 208 may be provided to realize the backward wind outlet of the fan assembly 30. The first air deflector 203 and the third air deflector 205, and the first air collecting plate 207 and the second air collecting plate 208 can be arranged at the same time to realize both downward air blowing and backward air blowing. Upward blowing can also be achieved based on the same concept. For example, the first air collecting plate 207 may be provided with a third diversion port, and the upper portion of the first casing 201 may be provided with a third air outlet 223.

Preferably, as shown in fig. 4, the second air deflector 204, the cavity wall of the accommodating cavity 303 and the housing 20 together enclose to form a main control cavity, and the main control cavity is used for accommodating the main board 70. The shape of the main board 70 is substantially triangular and matches the shape of the main control chamber, thereby making it possible to sufficiently use the space inside the housing 20 and reduce the volume of the housing 20.

Preferably, as shown in fig. 4, the third air deflector 205, the second air deflector 208, the cavity wall of the accommodating cavity 303 and the housing 20 enclose to form a battery compartment, and the battery compartment is located above the second air duct 2051 and is used for accommodating the battery 40. The batteries 40 are provided in two, and the service time of the head-mounted fan can be increased by supplying power to one fan assembly 30 through the two batteries 40. Motherboard 70 electrically connects battery 40, fan assembly 30, and on-off switch 80. The switch 80 can control the battery 40 to supply power or cut off power to the fan assembly 30 through the motherboard 70, thereby controlling the start, stop and speed regulation of the fan assembly 30.

In another embodiment, as shown in fig. 11 to 17, two accommodating chambers 303 are symmetrically arranged in the housing 20, the two accommodating chambers 303 are separated, the two fan assemblies 30 are respectively arranged in the two accommodating chambers 303, the two accommodating chambers 303 are respectively provided with a first exhaust port 3031 and a second exhaust port 3032, two ends corresponding to the first exhaust port 3031 are respectively provided with a first air deflector 203 and a second air deflector 204, the first air deflector 203, the second air deflector 204 and the housing 20 enclose to form a first air duct 2031, two ends corresponding to the second exhaust port 3032 are respectively provided with a third air deflector 205 and a fourth air deflector 206, the third air deflector 205, the fourth air deflector 206 and the housing 20 enclose to form a second air duct 2051, and the first air duct 2031 and the second air duct 2051 are symmetrically arranged in the housing 20; the first air duct 2031 corresponds to the first air outlet 221, the second air duct 2051 corresponds to the second air outlet 222, the first air outlet 221 and the second air outlet 222 are both arranged downward, and the air flow generated by the fan assembly 30 flows out from the first air outlet 221 and the second air outlet 222 through the first air duct 2031 and the second air duct 2051, respectively.

Preferably, as shown in fig. 17, the casing 20 includes a first casing 201 facing the head, a second casing 202 connected to the first casing 201 and far away from the head, and a first wind-collecting plate 207 is further provided, the first wind-collecting plate 207, the first wind-guiding plate 203 and the first casing 201 enclose to form a third wind duct 2072, the third wind duct 2072 corresponds to the third wind outlet 223, the first wind-guiding plate 203 penetrates through a first diversion port 2071, the first diversion port 2071 is communicated with the first wind duct 2031 and the third wind duct 2072, a part of the airflow generated by the fan assembly 30 enters the third wind duct 2032 from the first wind duct 2031 through the first diversion port 2071 and flows out from the third wind outlet 207223; the fan assembly is further provided with a second wind gathering plate 208, the third wind deflector 205 and the first shell 201 are enclosed to form a fourth wind channel 2082, the fourth wind channel 2082 corresponds to a fourth wind outlet 224, the third wind deflector 205 penetrates through a second flow dividing port 2081, the second flow dividing port 2081 is communicated with the second wind channel 2051 and the fourth wind channel 2082, and partial air flow generated by the fan assembly 30 enters the fourth wind channel 2082 from the second wind channel 2051 through the second flow dividing port 2081 and then flows out from the fourth wind outlet 224.

Preferably, as shown in fig. 13, two accommodating chambers 303 are disposed near the middle of the housing 20 or far from the two ends of the housing 20, the two accommodating chambers 303 are separated, and the first air duct 2031 and the second air duct 2051 are separated, the fan assembly 30 includes a centrifugal fan, the centrifugal fan includes fan blades 302 and motors, the rotation directions of the two centrifugal fans are opposite, and in the two fan assemblies 30, the driving shaft of one motor 301 faces the first housing 201, and the driving shaft of the other motor 301 faces the second housing 202.

Preferably, in the two embodiments, as shown in fig. 4 and fig. 15, a first splitter plate 2032 and a second splitter plate 2052 are further disposed in the housing 20, the first splitter plate 2032 and the second splitter plate 2052 are both arc-shaped, the first splitter plate 2032 is disposed in the middle of the first air duct 2031 and is used for uniformly splitting the air flow in the first air duct 2031 to the first air outlets 221 on both sides of the first splitter plate 2032, and the second splitter plate 2052 is disposed in the middle of the second air duct 2051 and is used for uniformly splitting the air flow in the second air duct 2051 to the second air outlets 222 on both sides of the second splitter plate 2052.

The first flow dividing plate 2032 is disposed in the middle of the first air duct 2031, and is capable of dividing the air flow entering the first air duct 2031, that is, the first flow dividing plate 2032 is used as a boundary, so that the first air outlet 221 can be divided into two sections, and the air flow entering the first air duct 2031 can be uniformly divided into two sections of the first air outlet 221, thereby improving the uniformity of the air outlet and the comfort of the head-mounted fan during use. The second diversion plate 2052 functions in the same way as the first diversion plate 2032 and will not be described again.

Preferably, as shown in fig. 12, the first casing 201 includes a first air-out plate 209 and a second air-out plate 2010 which are arranged towards the head or upward, the first air-out plate 209 is correspondingly arranged at a third air duct 2072, the third air outlet 223 is transversely arranged at the first air-out plate 209, the second air-out plate 2010 is correspondingly arranged at a fourth air duct 2082, the fourth air outlet 224 is transversely arranged at the second air-out plate 2010, the third air outlet 223 and the fourth air outlet 224 are both arranged towards the rear or upward, and the first air-out plate 209 and the second air-out plate 2010 are symmetrically arranged.

The first air outlet plate 209 and the second air outlet plate 2010 are detachably connected with the first casing 201, so that the third air duct 2072 and the fourth air duct 2082 can be maintained conveniently.

Preferably, the air inlets include a first air inlet 211 provided in the first housing 201, and a second air inlet 212 provided in the second housing 202, corresponding to each centrifugal fan; the outer wall of the first housing 201 is provided with a support portion 60 facing the head, and a gap is formed between the support portion 60 and the first housing 201, and the air flow enters the first air inlet 211 through the gap. The outer side of the supporting part 60 is also provided with a soft cushion 601, and the soft cushion 601 is close to the head. When the mask is worn, the hard shell 20 can be prevented from being in direct contact with the head, and the wearing comfort level is improved. The cushion 601 may be made of rubber, breathable cotton, or the like.

Preferably, as shown in fig. 1 and 3, a baffle 90 is disposed outside the second air inlet 212, and a gap is formed between the baffle 90 and the second housing 202, and the air flow enters the second air inlet 212 from the gap. The baffle 90 can prevent large impurities from entering the second air inlet 212, and improve the aesthetic property. The baffle 90 may not be provided at the second intake vent 212.

Therefore, the utility model discloses a wear fan sets up the brim of a hat into independent structure, does not set up fan assembly isotructure in the brim of a hat, reduces the weight of the brim of a hat, improves the comfort level of wearing. The hat brim is arranged, so that a sun-shading effect can be achieved when the head-mounted fan is used outdoors. When the brim is detachably connected with the shell, the brim can be installed for shading when used outdoors, and the brim can be detached when used indoors, so that the hat is convenient to use and carry in daily life.

The above is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structure changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the patent protection scope of the present invention.

Claims (10)

1. A head-mounted fan, comprising: the helmet comprises a wearing piece, a shell, a fan assembly, a battery and a cap peak;

the wearing piece is connected with the shell and used for wearing the shell on the head in a fitting manner;

the shape of the shell is matched with that of the head, an air inlet and an air outlet are formed in the shell, and the fan assembly and the battery are accommodated in the shell;

the fan assembly is electrically connected with the battery and is used for guiding out airflow entering from the air inlet through the air outlet;

the visor is detachably and/or rotatably connected with the housing.

2. The head-mounted fan of claim 1, wherein the housing comprises a first housing adjacent to the head and a second housing connected to the first housing and remote from the head, the second housing having a first mating structure facing the visor, the visor having a second mating structure facing the second housing, the first mating structure and the second mating structure mating such that the visor and the second housing are removably and/or rotatably connected.

3. The head-mounted fan of claim 2, wherein the first engaging structures are disposed at two ends of the second housing, the second engaging structures are disposed at two ends of the visor, and the first engaging structures and the second engaging structures are pivotally connected to allow the visor to rotate up and down.

4. The head-mounted fan of claim 1, wherein a cavity is disposed in a middle portion of the housing, a fan assembly is disposed in the cavity, the cavity has a first exhaust opening and a second exhaust opening, a first air deflector and a second air deflector are disposed at two ends corresponding to the first exhaust opening, respectively, the first air deflector, the second air deflector and the housing enclose to form a first air channel, a third air deflector and a fourth air deflector are disposed at two ends corresponding to the second exhaust opening, respectively, the third air deflector, the fourth air deflector and the housing enclose to form a second air channel, and the first air channel and the second air channel are disposed at two sides of the cavity, respectively; the first air channel is correspondingly provided with a first air outlet, the second air channel is correspondingly provided with a second air outlet, the first air outlet and the second air outlet are arranged downwards, and air flow generated by the fan assembly flows out of the first air outlet and the second air outlet through the first air channel and the second air channel respectively.

5. The head-mounted fan of claim 4, wherein the housing includes a first housing facing the head and a second housing connected to the first housing and away from the head, the housing further includes a first wind-collecting plate, the first wind-collecting plate and the first housing enclose to form a third wind channel, the third wind channel corresponds to a third wind outlet, the first wind-collecting plate has a first diversion port penetrating through the first wind channel, the first diversion port communicates the first wind channel and the third wind channel, and a part of the airflow generated by the fan assembly enters the third wind channel from the first wind channel through the first diversion port and then flows out from the third wind outlet;

the fan component is characterized in that a second air gathering plate is further arranged in the shell, the second air gathering plate, the third air gathering plate and the first shell are enclosed to form a fourth air channel, the fourth air channel corresponds to a fourth air outlet, a second diversion port penetrates through the third air gathering plate and is communicated with the second air channel and the fourth air channel, and partial air flow generated by the fan component enters the fourth air channel from the second air channel through the second diversion port and then flows out from the fourth air outlet.

6. The head mounted fan of claim 5, wherein: the second air deflector, the accommodating cavity wall and the shell are enclosed together to form a main control cavity, the main control cavity is used for accommodating a main board, the third air deflector, the second air deflector, the accommodating cavity wall and the shell are enclosed to form a battery compartment, the battery compartment is located above the second air channel, and the battery compartment is used for accommodating a battery; the third air outlet and the fourth air outlet are arranged towards the back.

7. The head-mounted fan according to claim 1, wherein two accommodating cavities are symmetrically formed in the casing, the two accommodating cavities are separated, the two fan assemblies are respectively arranged in the two accommodating cavities, the two accommodating cavities are respectively provided with a first air outlet and a second air outlet, a first air deflector and a second air deflector are respectively arranged at two ends corresponding to the first air outlet, the first air deflector, the second air deflector and the casing enclose to form a first air channel, a third air deflector and a fourth air deflector are respectively arranged at two ends corresponding to the second air outlet, the third air deflector, the fourth air deflector and the casing enclose to form a second air channel, and the first air channel and the second air channel are symmetrically arranged in the casing; the first air channel is correspondingly provided with a first air outlet, the second air channel is correspondingly provided with a second air outlet, the first air outlet and the second air outlet are arranged downwards, and air flow generated by the fan assembly passes through the first air channel and the second air channel respectively and flows out of the first air outlet and the second air outlet.

8. The head-mounted fan according to claim 7, wherein the housing includes a first housing facing the head and a second housing connected to the first housing and away from the head, and a first air collecting plate is further provided, the first air collecting plate, the first air guiding plate and the first housing enclose a third air channel, the third air channel corresponds to a third air outlet, a first flow dividing port penetrates through the first air guiding plate, the first flow dividing port communicates the first air channel and the third air channel, and a part of the air flow generated by the fan assembly enters the third air channel from the first air channel through the first flow dividing port and flows out from the third air outlet;

the fan component is characterized by further comprising a second air collecting plate, the third air deflector and the first shell are enclosed to form a fourth air channel, the fourth air channel corresponds to a fourth air outlet, a second diversion port penetrates through the third air deflector, the second diversion port is communicated with the second air channel and the fourth air channel, and partial air flow generated by the fan component enters the fourth air channel from the second air channel through the second diversion port and then flows out from the fourth air outlet.

9. The head-mounted fan according to claim 4 or 7, wherein a first flow dividing plate and a second flow dividing plate are further disposed in the housing, the first flow dividing plate and the second flow dividing plate are both arc-shaped, the first flow dividing plate is disposed in the middle of the first air duct and is used for uniformly dividing the air flow in the first air duct to the first air outlets on both sides of the first flow dividing plate, and the second flow dividing plate is disposed in the middle of the second air duct and is used for uniformly dividing the air flow in the second air duct to the second air outlets on both sides of the second flow dividing plate.

10. The head-mounted fan as claimed in claim 4 or 7, wherein the housing includes a first housing facing the head and a second housing connected to the first housing and remote from the head, the fan assembly includes centrifugal fans, the air inlet includes a first air inlet provided in the first housing and a second air inlet provided in the second housing corresponding to each of the centrifugal fans; the outer wall of the first shell is provided with a supporting portion facing the head, a gap is formed between the supporting portion and the first shell, and air flow enters the first air inlet from the gap.

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