CN217976669U - Head-mounted fan - Google Patents

Abstract

The utility model discloses a head-mounted fan; comprises a wearing piece, a shell, a fan component and a battery; 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, the shell is provided with an air inlet and an air outlet, and the shell accommodates the fan assembly and the battery; the fan assembly is electrically connected with the battery and is used for guiding out the airflow entering from the air inlet through the air outlet; the air outlet comprises a lower air outlet with a downward air outlet direction and/or a rear air outlet with a backward air outlet direction and/or an upper air outlet with an upward air outlet direction. The air outlet comprises a lower air outlet with downward air outlet direction and/or a rear air outlet with backward air outlet direction and/or an upper air outlet with upward air outlet direction. The air outlet device can be used for discharging air downwards, backwards and/or upwards, so that air can be discharged towards different directions, and the cooling effect of the head-mounted fan can be 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 fan 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 cooling effect. Common portable and user friendly fans include hand held fans, neck hung fans, and head worn fans, where the head worn fan is meant to wear the fan on the head for everyday use.

The existing handheld fan, neck hanging fan and head-mounted fan usually only have air outlet in one direction, and the cooling effect is poor.

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 only has an ascending air-out of side usually, gets the relatively poor problem of cool effect.

In order to solve the above technical problem, the utility model discloses a technical scheme provide a head-mounted fan, include: a wearing piece, a shell, a fan assembly and a battery; 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 air outlet comprises a lower air outlet with a downward air outlet direction and/or a rear air outlet with a backward air outlet direction and/or an upper air outlet with an upward air outlet direction.

Preferably, the lower air outlet comprises a first air outlet and a second air outlet, a first air duct and a second air duct are respectively arranged on the left side and the right side of the fan assembly in the shell, the first air duct is formed by enclosing a first air deflector, a second air deflector and the shell, the second air duct is formed by enclosing a third air deflector, a fourth air deflector and the shell, the first air duct corresponds to the first air outlet, and the second air duct corresponds to the second air outlet; the air flow generated by the fan component flows out from 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, a containing cavity is arranged in the middle of the shell, a fan assembly is arranged in the containing cavity, the containing cavity is provided with a first air outlet and a second air outlet, the first air outlet corresponds to the first air channel, and the second air outlet corresponds to the second air channel; the first air collecting plate is arranged in the shell and is enclosed with the first shell 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 channel of the first air collecting plate, the first flow dividing port is communicated with the first air channel and the third air channel, and partial air flow generated by the fan assembly enters the third air channel from the first air channel through the first flow dividing port and then flows out from the third air outlet; the shell is internally provided with a second air gathering plate, the second air gathering plate, a third air guiding 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 second air guiding plate, the second diversion port is communicated with the second air channel and the fourth air channel, and 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 shell comprises a first shell facing the head and a second shell connected with the first shell and far away from the head, two accommodating cavities are symmetrically arranged in the shell, 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, the first air outlet corresponds to the first air channel, and the second air outlet corresponds to the second air channel; the first air gathering plate, the first air deflector and the first shell are arranged in the shell to 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 partial 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 shell is internally provided with a second air gathering plate, the second air gathering plate, a third air guiding 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 guiding plate, the second diversion port is communicated with the second air channel and the fourth air channel, and 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 head-mounted fan further comprises a main board, the two accommodating cavities are arranged in the middle of the shell in a neighboring mode, the two cavity walls accommodating the cavities and the shell jointly enclose and form a main control cavity, the main board is arranged in the main control cavity, and the shape of the main board is matched with the shape formed by the two accommodating cavities and the shell in an enclosing mode.

Preferably, the rear air outlet comprises a third air outlet and a fourth air outlet, and the first shell comprises a first air outlet plate and a second air outlet plate which face the head; or the upper air outlet comprises a third air outlet and a fourth air outlet, the first shell comprises a first air outlet plate and a second air outlet plate which are arranged upwards, the first air outlet plate is correspondingly arranged at the third air duct, the third air outlet is transversely arranged at the first air outlet plate, the second air outlet plate is correspondingly arranged at the fourth air duct, and the fourth air outlet is transversely arranged at the second air outlet plate.

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 includes a first housing facing the head and a second housing connected to the first housing and away from the head, and the fan assembly includes centrifugal fans, and the air inlets include 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.

Preferably, the outer wall of the first housing is provided with a support portion facing the head portion, a gap is formed between the support portion and the first housing, and the air flow enters the first air inlet from the gap.

Preferably, the housing is connected to a visor, which is detachably and/or rotatably connected to the housing.

The beneficial effects of the utility model are that: the air outlet comprises a lower air outlet with downward air outlet direction and/or a rear air outlet with backward air outlet direction and/or an upper air outlet with upward air outlet direction. The air outlet device can be used for discharging air downwards, backwards and/or upwards, air outlet in different directions is realized, and the cooling effect of the head-mounted fan can be 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 structural view of a visor 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 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 present invention;

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

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

fig. 8 is a schematic structural view of the first casing according to the embodiment 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 the inside of the housing of another embodiment of the head fan according to the present invention;

fig. 15 is a schematic structural view of a first casing 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 casing 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 to facilitate the understanding of the embodiment without limiting the invention. The front-back direction represents the lateral direction, the left-right direction represents the longitudinal direction, and the up-down direction represents the vertical direction.

Fig. 1-17 illustrate an embodiment of the head-mounted fan of the present invention, including a wearing piece 10, a housing 20, a fan assembly 30, and a battery 40; 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 air outlet comprises a lower air outlet with a downward air outlet direction and/or a rear air outlet with a backward air outlet direction and/or an upper air outlet with an upward air outlet direction.

The utility model discloses in, with the air outlet including the decurrent lower air outlet of air-out direction and/or the backward back air outlet of air-out direction and/or the ascending air outlet of air-out direction. The air outlet device can be used for discharging air downwards, backwards and/or upwards, so that air can be discharged towards different directions, and the cooling effect of the head-mounted fan can be improved.

Preferably, as shown in fig. 3 and 12, the lower air outlet includes a first air outlet 221 and a second air outlet 222, a first air duct 2031 and a second air duct 2051 are respectively disposed on the left and right sides of the fan assembly 30 in the housing 20, the first air duct 2031 is formed by enclosing the first air deflector 203, the second air deflector 204 and the housing 20, the second air duct 2051 is formed by enclosing the third air deflector 205, the fourth air deflector 206 and the housing 20, the first air duct 2031 corresponds to the first air outlet 221, and the second air duct 2051 corresponds to the second air outlet 222; the airflow generated by the fan assembly 30 flows out of the first air outlet 221 and the second air outlet 222 through the first air duct 2031 and the second air duct 2051, respectively.

The first air deflector 203 and the second air deflector 204 are arranged on the left side in the casing 20, the third air deflector 205 and the fourth air deflector 206 are arranged on the right side in the casing 20, a first air duct 2031 is formed by enclosing the first air deflector 203 and the second air deflector 204 with the casing 20, a second air duct 2051 is formed by enclosing the third air deflector 205 and the fourth air deflector 206 with the casing 20, the first air outlet 221 is located on the lower portion of the left side of the casing 20, the air outlet direction is downward, the second air outlet 222 is located on the lower portion of the right side of the casing 20, and the air outlet direction is downward.

Preferably, as shown in fig. 3 and 12, the rear air outlet includes a third air outlet 223 and a fourth air outlet 224, the casing 20 is further provided with a first wind-collecting plate 207, the first wind-collecting plate 207 passes through the first wind-guiding plate 203, the first wind-collecting 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, the first wind-collecting plate 207 passes through a first diversion port 2071 in the first air duct 2031, the first diversion port 2071 communicates the first air duct 2031 and the third air duct 2072, and a part of air flow generated by the fan assembly 30 enters the third air duct 2072 through the first diversion port 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 backward. 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.

The cross-sectional shapes of the first wind gathering plate 207 and the second wind gathering plate 208 may be U-shaped, arc-shaped or square, the first branch port 2071 and the second branch port 2081 may be respectively formed on the upper side or the lower side of the first wind gathering plate 207 and the second wind gathering plate 208 adjacent to the fan assembly 30, the first wind gathering plate 207 and the first casing 201 enclose 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. 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 backward wind outlet of the fan assembly 30 can be realized.

Preferably, as shown in fig. 12, the first casing 201 includes a first air outlet plate 209 and a second air outlet plate 2010 facing the head, the first air outlet plate 209 is correspondingly disposed at a third air duct 2072, the third air outlet 223 is transversely disposed at the first air outlet plate 209, the second air outlet plate 2010 is correspondingly disposed at a fourth air duct 2082, and the fourth air outlet 224 is transversely disposed at the second air outlet plate 2010.

Or the upper air outlet includes the third air outlet 223 and the fourth air outlet 224, the first casing 201 includes the first air-out plate 209 and the second air-out plate 2010 that set up, the first air-out plate 209 corresponds and sets up in third wind channel 2072 department, the third air outlet 223 transversely sets up at first air-out plate 209, the second air-out plate 2010 corresponds and sets up in fourth wind channel 2082 department, the fourth air outlet 224 transversely sets up at second air-out plate 2010. The first air outlet plate 209 and the second air outlet plate 2010 are detachably connected to the first casing 201, so that the third air duct 2072 and the fourth air duct 2082 can be maintained conveniently.

When in use, only the first air deflector 203 and the third air deflector 205 may be arranged 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 wind deflector 203 and the third wind deflector 205, and the first wind collecting plate 207 and the second wind collecting plate 208 can be arranged at the same time to realize both downward wind blowing and backward wind 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. 3 and 12, the housing 20 includes a first housing 201 facing 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.

Preferably, as shown in fig. 3 and 12, the intake vent includes a first intake vent 211 provided in the first housing 201 and a second intake vent 212 provided in the second housing 202, corresponding to the fan assembly 30.

Preferably, as shown in fig. 3 and 12, the outer wall of the first housing 201 is provided with a support portion 60 facing the head, the support portion 60 is disposed corresponding to the first air inlet 211, a gap is formed between the support portion 60 and the first housing 201, and the air flow enters the first air inlet 211 from the gap.

Further, as shown in fig. 3 and 12, a cushion 601 is provided outside the support portion 60, and the cushion 601 is adjacent 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, air-permeable cotton, etc.

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 larger impurities from entering the second air inlet 212, and meanwhile, the appearance is improved. The baffle 90 may not be provided at the second intake vent 212.

Preferably, as shown in fig. 3 and 12, the housing 20 includes a first housing 201 facing the head and a second housing 202 connected to the first housing 201 and away from the head, 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.

In one embodiment, as shown in fig. 1 and 10, a containing cavity 303 is formed in the middle 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, the first exhaust port 3031 corresponds to the first air duct 2031, and the second exhaust port 3032 corresponds to the second air duct 2051; the first wind gathering plate 207 is further arranged in the casing 20, the first wind gathering plate 207 and the first casing 201 enclose to form a third wind channel 2072, the third wind channel 2072 corresponds to the third air outlet 223, the first wind gathering plate 207 penetrates through a first split port 2071 in the first wind channel 2031, the first split port 2071 is communicated with the first wind channel 2031 and the third wind channel 2072, and part of air flow generated by the fan assembly 30 enters the third wind channel 2072 from the first wind channel 2031 through the first split port 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 guide 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 second wind guide plate 204 penetrates through the 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.

The height of the fan blade 302 of a general centrifugal fan applied to a head-mounted 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 21-25mm. 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. 4, 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. The first air guiding plate 203 and the third air guiding plate 205 each include 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 accommodating cavity 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 away from the fan assembly 30 and is connected to the wind shielding portion 2034, and the wind shielding portion 2034 extends toward 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.

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 a cavity wall of the accommodating cavity 303 at an 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.

In another embodiment, as shown in fig. 11 and 17, two accommodating cavities 303 are symmetrically arranged in the housing 20, the two accommodating cavities 303 are separated, the two fan assemblies 30 are respectively arranged in the two accommodating cavities 303, the two accommodating cavities 303 are respectively provided with a first exhaust opening 3031 and a second exhaust opening 3032, two ends corresponding to the first exhaust opening 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 opening 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. 13, a first wind collecting plate 207 is further disposed in the casing 20, the first wind collecting plate 207, the first wind deflector 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 deflector 203 penetrates through the first branch port 2071, the first branch port 2071 communicates with the first wind duct 2031 and the third wind duct 2072, and a part of the airflow generated by the fan assembly 30 enters the third wind duct 2072 from the first wind duct 2031 through the first branch port 2071 and flows out from the third wind outlet 223; 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 a motor 301, 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.

In the two embodiments, as shown in fig. 4 and 13, a first flow dividing plate 2032 and a second flow dividing plate 2052 are further disposed in the housing 20, the first flow dividing plate 2032 and the second flow dividing plate 2052 are both arc-shaped, the first flow dividing plate 2032 is disposed in the middle of the first air duct 2031 and is used for uniformly dividing the air flow in the first air duct 2031 to the first air outlets 221 on both sides of the first flow dividing plate 2032, and the second flow dividing plate 2052 is disposed in the middle of the second air duct 2051 and is used for uniformly dividing the air flow in the second air duct 2051 to the second air outlets 222 on both sides of the second flow dividing 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, i.e., 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 evenly divided into two sections of the first air outlet 221, thereby improving the uniformity of the air outlet and the comfort level 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.

In the above two embodiments, the first air guiding plate 203, the second air guiding plate 204, the third air guiding plate 205, the fourth air guiding plate 206, the first flow dividing plate 2032, the second flow dividing plate 2052, the first wind collecting plate 207, and the second wind collecting plate 208 may be independent structures, may be integrated structures, or may be integrated structures with the first casing 201 or the second casing 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, as shown in fig. 4 and 13, the housing 20 has a main control cavity therein, the main control cavity is used for accommodating the main board 70, and the shape of the main board 70 is substantially triangular and matches with the shape of the main control cavity, so that the space in the housing 20 can be fully used, and the volume of the housing 20 can be reduced. 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.

As shown in fig. 4, the housing 20 has a battery compartment therein, and the battery compartment is located above the second wind 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.

As shown in fig. 13, the first air deflector 203, the first air collecting plate 207, the cavity wall of the accommodating cavity 303 and the housing 20 enclose to form a first battery compartment, the first battery compartment is located above the first air duct 2031, the third air deflector 205, the second air collecting plate 208, the cavity wall of the accommodating cavity 303 and the housing 20 enclose to form a second battery compartment, the second battery compartment is located above the second air duct 2051, and the first battery compartment and the second battery compartment are symmetrically arranged. The number of the batteries 40 is two, the two batteries 40 are respectively connected with the two fan assemblies 30, and the two batteries 40 are respectively arranged in the first battery compartment and the second battery compartment. Two fan assembly 30 are connected respectively to two batteries 40, and two batteries 40 set up respectively in the first battery compartment and the second battery compartment of fan assembly 30 both sides, and the symmetry sets up, improves the comfort level that the head-mounted fan used.

Further, as shown in fig. 1 and 11, a visor 50 is coupled to the housing 20, and the visor 50 is detachably 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.

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.

Preferably, 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 and second mating structures 501 and 502 mate such that the visor 50 and the second housing 202 are removably and/or rotatably coupled.

Preferably, as shown in fig. 12, the visor 50 is detachably connected to the second housing 202 through a hook and loop fastener, the hook and loop fastener is disposed on the inner edge of the visor 50 as a first engaging structure 501 disposed on the outer wall of the second housing 202 and a hook and loop fastener is disposed on the outer wall of the second housing 202 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, as shown in fig. 2 and 3, 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 to allow the visor 50 to 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 provided 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 provided at the second housing 202 and the rotation shaft, to detachably and rotatably connect the visor 50 with 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, and the rotation angle of the visor 50 may be limited by the arc-shaped protrusions and grooves. Through the arrangement, the cap peak 50 can be detachably connected with the shell 20, and meanwhile, the cap peak 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.

Therefore, the utility model discloses a head-mounted fan, with the air outlet including the decurrent lower air outlet of air-out direction and/or the backward back air outlet of air-out direction and/or the ascending air outlet of air-out direction. The air outlet device can be used for discharging air downwards, backwards and/or upwards, so that air can be discharged towards different directions, and the cooling effect of the head-mounted fan can be improved.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.

Claims (10)

1. A head-mounted fan, comprising: a wearing piece, a shell, a fan assembly and a battery;

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 the airflow entering from the air inlet through the air outlet;

the air outlet comprises a lower air outlet with a downward air outlet direction and/or a rear air outlet with a backward air outlet direction and/or an upper air outlet with an upward air outlet direction.

2. The head-mounted fan according to claim 1, wherein the lower air outlet includes a first air outlet and a second air outlet, a first air channel and a second air channel are respectively disposed on left and right sides of the fan assembly in the housing, the first air channel is formed by enclosing a first air deflector, a second air deflector and the housing, the second air channel is formed by enclosing a third air deflector, a fourth air deflector and the housing, the first air channel corresponds to the first air outlet, and the second air channel corresponds to the second air outlet; the air flow generated by the fan assembly flows out from the first air outlet and the second air outlet through the first air channel and the second air channel respectively.

3. The head fan as claimed in claim 2, wherein the housing includes a first housing facing the head and a second housing connected to the first housing and away from the head, a cavity is formed in a middle portion of the housing, the fan assembly is disposed in the cavity, the cavity has a first exhaust opening and a second exhaust opening, the first exhaust opening corresponds to the first air channel, and the second exhaust opening corresponds to the second air channel; the first air collecting plate and the first shell are enclosed 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 channel of the first air collecting plate, the first flow dividing port is communicated with the first air channel and the third air channel, and partial air flow generated by the fan assembly enters the third air channel from the first air channel through the first flow dividing port and then flows out from the third air outlet;

the fan component comprises a shell, and is characterized in that a second air gathering plate is further arranged in the shell, the second air gathering plate, a third air guiding 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 second air guiding plate, 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.

4. The head-mounted fan according to claim 2, wherein the housing comprises a first housing facing the head and a second housing connected to the first housing and away from the head, two accommodating cavities are symmetrically formed in the housing, two fan assemblies are respectively disposed in the two accommodating cavities, the two accommodating cavities are respectively provided with a first air outlet and a second air outlet, the first air outlet corresponds to the first air channel, and the second air outlet corresponds to the second air channel; the shell is internally provided with a first air collecting plate, the first air deflector and the first shell are enclosed 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 partial 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 comprises a shell, and is characterized in that a second air gathering plate is further arranged in the shell, the second air gathering plate, a 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.

5. The head-mounted fan according to claim 4, further comprising a main board, wherein the two accommodating cavities are disposed adjacent to a middle portion of the housing, a cavity wall of the two accommodating cavities and the housing together enclose a main control cavity, the main board is disposed in the main control cavity, and a shape of the main board is adapted to a shape enclosed by the two accommodating cavities and the housing.

6. The head-mounted fan as claimed in claim 3 or 4, wherein the rear outlet comprises the third outlet and the fourth outlet, and the first housing comprises a first outlet plate and a second outlet plate facing the head; or the upper air outlet comprises a third air outlet and a fourth air outlet, the first shell comprises a first air outlet plate and a second air outlet plate which are arranged upwards, the first air outlet plate is correspondingly arranged at the third air duct, the third air outlet is transversely arranged at the first air outlet plate, the second air outlet plate is correspondingly arranged at the fourth air duct, and the fourth air outlet is transversely arranged at the second air outlet plate.

7. The head-mounted fan according to claim 3 or 4, 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.

8. The head fan as claimed in claim 2, wherein the housing includes a first housing facing the head and a second housing connected to the first housing and remote from the head, and the fan assembly includes centrifugal fans, and 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.

9. The head mounted fan of claim 8, wherein the outer wall of the first housing is provided with a support portion facing the head, and the support portion and the first housing have a gap therebetween, and the air flow enters the first air inlet from the gap.

10. Head fan according to claim 1, characterized in that a visor is connected to the housing, which visor is detachably and/or rotatably connected to the housing.

Images