CN214404047U

CN214404047U - Hanging neck fan

Info

Publication number: CN214404047U
Application number: CN202120077569.3U
Authority: CN
Inventors: 赖友; 杨广; 刘凯
Original assignee: Shenzhen Qimiaoxingqiu Culture Creativity Co Ltd
Current assignee: Shenzhen Qimiaoxingqiu Culture Creativity Co Ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-10-15
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a neck hanging fan, which comprises a bent first shell and two second shells which are respectively and rotatably connected with the two ends of the first shell, wherein a first air duct is arranged in the first shell, a second air duct is arranged in the second shells, a first air outlet communicated with the first air duct is arranged on the first shell, a second air outlet communicated with the second air duct is arranged on the second shell, a fan wheel is arranged in the first shell or the second shell, the second shell can be folded or unfolded relative to the first shell, when the second shell is unfolded relative to the first shell, the first air duct is communicated with the second air duct, the fan wheel is used for blowing air into the first air duct and the second air duct, and the air is respectively blown out from the first air outlet and the second air outlet, when the second shell is folded relative to the first shell, at least one second shell rotates to be located in a space area formed by the first shell in a surrounding mode.

Description

Hanging neck fan

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a hang neck fan.

Background

In recent years, people are pursuing more convenient life, and various portable temperature adjusting products such as neck-worn fans appear on the market in order to meet the requirement that fans are needed for outdoor activities or other life scenes.

The neck-worn fan solves the activity limitation caused by the handheld fan, and the neck-worn fan can liberate both hands of a user no matter in use scenes such as sports, outdoor activities or offices, and can achieve the effect of blowing air anytime and anywhere without being held by hands. However, the neck-worn fan is worn on the neck of a human body and needs to be matched with the shape of the neck of the human body, and occupies a large space when being carried out, which causes inconvenience in use.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing technical problem, the utility model provides a go out to carry more convenient string of neck fan.

In order to achieve the above object, the embodiment of the present invention provides a technical solution that:

a neck hanging fan comprises a bent first shell and two second shells which are rotatably connected with two ends of the first shell respectively, a first air duct is arranged in the first shell, a second air duct is arranged in the second shell, a first air outlet communicated with the first air duct is arranged on the first shell, a second air outlet communicated with the second air duct is arranged on the second shell, a fan wheel is arranged in the first shell or the second shell, the second shell rotates relative to the first shell and can be in a folded state or an unfolded state, when the second shell rotates relative to the first shell and is in the unfolded state, the first air duct is communicated with the second air duct, the fan wheel is used for blowing air into the first air duct and the second air duct and blowing air out from the first air outlet and the second air outlet respectively, when the second shell rotates relative to the first shell to be in a folded state, at least one second shell rotates to be located in a space area surrounded by the first shell.

The first casing and the second casing are connected with each other, a rotatable structure is arranged at one end, the first air duct is arranged at a first opening at the tail end of the first casing, and the second air duct is arranged at a second opening at the tail end of the second casing and is positioned on the same side of the rotatable structure.

The first opening and the second opening are the same in shape and size, when the second shell rotates relative to the first shell to be in an unfolded state, the first opening is aligned with the second opening, and the first opening is tightly connected with the second opening through a sealing piece.

The end face of the first shell is provided with a notch at the position of the first opening; and/or a notch is formed on the end surface of the second shell at the position of the second opening;

the sealing piece comprises a soft rubber piece which is attached to the edge of the first opening and the edge of the second opening, the soft rubber piece is clamped in the notch, and the thickness of the soft rubber piece is larger than the depth of the notch.

The sealing piece comprises a soft rubber piece connected to the edge of the first opening through injection molding, and/or a soft rubber piece connected to the edge of the second opening through injection molding.

Wherein, rotatable structure is including locating the terminal spread groove of first casing and follow the terminal protruding connecting portion of stretching of second casing, the relative both sides of connecting portion with be formed with the pivot in the spread groove respectively on the relative both sides face and with the shaft hole that the pivot matches, the protruding income of connecting portion in the spread groove, and pass through the pivot with the shaft hole pivotally connects.

The two second shells are symmetrically arranged at two opposite ends of the first shell, the fan wheels are respectively arranged at the tail ends of the second shells far away from the first shell, a partition plate extending from the position of the fan wheel to the end face of the second shell is arranged in the second shells, the second shells are separated by the partition plate to form a second air duct and a containing cavity, and a circuit board used for controlling the fan wheels to work is arranged in the containing cavity.

The second air outlet is formed in the upper side face of the second shell, the partition board extends from the bottom end, close to the lower side face of the second shell, of the fan wheel towards the end face of the second shell in an inclined mode, an air guide piece is arranged in the second air duct, and the air guide piece extends from the upper side face of the second shell towards the partition board in an inclined mode.

The air guide sheets comprise a plurality of air guide sheets which are arranged at intervals along the extending direction of the second air duct, and the included angle between the air guide sheet close to the fan wheel and the upper side face of the second shell is smaller than the included angle between the air guide sheet close to the tail end of the second shell and the upper side face of the second shell.

The middle part of the first shell is provided with a battery accommodating cavity, and the first air duct is divided into two parts which are respectively and correspondingly communicated with the second air ducts of the two second shells; and/or the presence of a gas in the gas,

the tail end of the second shell, which is far away from the first shell, is provided with a protruding portion extending in opposite directions, a mounting cavity for the fan wheel to be mounted is formed in the protruding portion, and air inlets corresponding to the positions of the fan wheel are formed in two opposite sides of the second shell.

The neck hanging fan provided by the above embodiment includes a first curved casing and two second casings rotatably connected to two ends of the first casing, a first air duct is provided in the first casing, a second air duct is provided in the second casing, a first air outlet communicated with the first air duct is provided on the first casing, a second air outlet communicated with the second air duct is provided on the second casing, a fan wheel is provided in the first casing or the second casing, the second casing rotates relative to the first casing and can be folded or unfolded, when the second casing rotates relative to the first casing and is unfolded, the first air duct and the second air duct are communicated, the fan wheel is used for blowing air into the first air duct and the second air duct and respectively blowing air out from the first air outlet and the second air outlet, when the second shell rotates relative to the first shell to be in a folded state, at least one second shell rotates to be positioned in a space area surrounded by the first shell, wherein the first shell and the second shell can be folded relatively, at least one second shell is positioned in a space area surrounded by the first shell when the neck hanging fan is in the folded state, thereby reducing the space occupied by the folded neck hanging fan and being convenient for being stored when the fan is carried out, when the second shell rotates relative to the first shell and is in an unfolded state, the air channels of the first shell and the second shell are communicated with each other, only the fan wheel is arranged in the first shell or the second shell, the number of the fan wheels required in the neck hanging fan can be reduced, the integral structure of the neck hanging fan is simplified on the premise that the first shell and the second shell can be folded relatively, the weight is reduced, and the cost is reduced.

Drawings

Fig. 1 is a perspective view of a neck hanging fan in a folded state according to an embodiment of the present application;

FIG. 2 is a perspective view of the embodiment of the present application with the neck hanging fan in an unfolded state;

FIG. 3 is an exploded view of the neck hanging fan in the embodiment of the present application;

FIG. 4 is another exploded view of the neck hanging fan in the embodiment of the present application;

FIG. 5 is a cross-sectional view of the neck hanging fan in the embodiment of the present application;

fig. 6 is a partially enlarged view of fig. 5.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the drawings and specific embodiments. 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. In the following description, reference is made to the expression "some embodiments" which describe a subset of all possible embodiments, but it should be understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.

It will also be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "inner," "outer," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 4, an embodiment of the present application provides a neck hanging fan, including a curved first casing 10 and two second casings 20 rotatably connected to two ends of the first casing 10, respectively, a first air duct 11 is disposed in the first casing 10, a second air duct 21 is disposed in the second casing 20, a first air outlet 12 communicated with the first air duct 11 is disposed on the first casing 10, a second air outlet 22 communicated with the second air duct 21 is disposed on the second casing 20, a fan wheel 27 is disposed in the first casing 10 or the second casing 20, the second casing 20 rotates relative to the first casing 10 and can be in a folded state or an unfolded state, when the second casing 20 rotates relative to the first casing 10 and is in an unfolded state, the first air duct 11 is communicated with the second air duct 21, the fan wheel 27 is used for blowing air into the first air duct 11 and the second air duct 21, the air is respectively blown out from the first outlet 12 and the second outlet 22, and when the second casing 20 rotates relative to the first casing 10 to assume a folded state, at least one of the second casings 20 rotates to be located in a space region surrounded by the first casing 10.

In the above embodiment, the hanging neck fan is formed by connecting the first casing 10 and the two second casings 20 rotatably connected to the first casing 10, the first air duct 11 is provided in the first casing 10, the second air duct 21 is provided in the second casing 20, the first casing 10 or the fan wheel 27 is provided in the second casing 20, wherein the first casing 10 can rotate relative to the second casing 20 to be folded, when the neck fan is in folded state, at least one second casing 20 is located in the space region formed by the first casing 10 in a surrounding manner, so that the space occupied by the folded hanging neck fan can be reduced, and the folding hanging neck fan can be conveniently stored when being carried out, and secondly, when the second casing 20 rotates relative to the first casing 10 to be unfolded state, the first fan in the first casing 10 and the second air duct 21 in the second casing 20 are communicated with each other, so that only the first casing 10 or the second casing 20 needs to arrange the fan wheel 27 to wind in the first air duct 11 and the second air duct 21 The number of fan wheels 27 required in the neck hanging fan can be reduced, the whole structure of the neck hanging fan is simplified on the premise that the first shell 10 and the second shell 20 can be folded relatively, the weight is reduced, and the cost is reduced.

Wherein, first casing 10 is the crooked form that matches with human back neck shape, and second casing 20 is connected respectively in the relative both ends of first casing 10, works as second casing 20 for first casing 10 rotates and is fold condition time, and two second casings 20 can rotate respectively to being located towards the direction of the medial surface of first casing 10 encircles in the space region who forms to hang the size of the shared space of neck fan under fold condition is not more than the size of the appearance of first casing 10. Optionally, in this embodiment, when the neck hanging fan is folded, the second casing 20 rotates to a state of substantially closing the openings at the two ends of the first casing 10, and at this time, the size of the space occupied by the neck hanging fan is substantially the same as the shape of the first casing 10, which greatly improves the portability of the neck hanging fan.

In some embodiments, a rotatable structure is disposed at one end where the first housing 10 and the second housing 20 are connected to each other, and the first opening of the first air duct 11 at the end of the first housing 10 and the second opening of the second air duct 21 at the end of the second housing 20 are located on the same side of the rotatable structure. The first opening of the first air duct 11 correspondingly connected with the second air duct 21 and the second opening of the second air duct 21 correspondingly connected with the first air duct 11 are located on the same side of the rotatable structure, so that the opening of the first air duct 11 and the opening of the second air duct 21 are prevented from being blocked by the rotatable structure. When the second housing 20 rotates relative to the first housing 10 to assume an unfolded state, the first opening and the second opening are correspondingly connected to communicate the first air duct 11 with the second air duct 21.

Optionally, the first opening and the second opening have the same shape and size, and when the second housing 20 is rotated relative to the first housing 10 to assume the unfolded state, the first opening is aligned with the second opening, and the first opening and the second opening are tightly connected through a seal. The first opening and the second opening have the same shape and size, and a sealing member is arranged between the first opening and the second opening, so that the sealing property of the communication between the first air duct 11 and the second air duct 21 is ensured, when the second housing 20 rotates relative to the first housing 10 to be in an unfolded state, the joint of the first housing 10 and the second housing 20 is tightly connected, and air leakage of the first air duct 11 and the second air duct 21 at the joint position can be prevented.

Wherein, a notch is formed on the end surface of the first shell 10 at the position of the first opening; and/or a notch is formed on the end surface of the second shell 20 at the position of the second opening; the sealing element comprises a soft rubber piece 33 attached to the edge of the first opening and the edge of the second opening, the soft rubber piece 33 is clamped in the notch, and the thickness of the soft rubber piece 33 is larger than the depth of the notch. Referring to fig. 5 and 6, in the present embodiment, an end surface of the first casing 10 at an edge surrounding the first opening is lower than end surfaces of other portions, so as to form a gap at the position of the first opening, an end surface of the second casing 20 at an edge surrounding the second opening is lower than end surfaces of other portions, so as to form another gap at the position of the second opening, the soft rubber 33 includes a first soft rubber 331 and a second soft rubber 332, the first soft rubber 331 and the second soft rubber 332 are respectively disposed at the gap of the first casing 10 and the gap of the second opening, the thickness of the soft rubber 33 is slightly greater than the depth of the corresponding gap, so that when the second casing 20 rotates relative to the first casing 10 to be in the unfolded state, the soft rubber 33 is squeezed, and is more fully filled in a gap between the edges of the first opening and the second opening when the edges contact, the sealing effect is better. In other embodiments, the soft rubber 33 may be connected to the end surface of the corresponding first shell 10 and/or the second shell 20 by injection molding, and optionally, the sealing member includes the soft rubber 33 connected to the edge of the first opening by injection molding, and/or the soft rubber 33 connected to the edge of the second opening by injection molding. The soft rubber member 33 is disposed on the end surface of the corresponding first casing 10 and/or second casing 20 by injection molding, so that the connection is more stable, and the assembly process of the neck hanging fan can be simplified.

Optionally, the rotatable structure includes a connecting groove 31 respectively disposed at the center of the end of the first casing 10 and a connecting portion 32 extending from the end of the second casing 20, two opposite sides of the connecting portion 32 and two opposite sides of the connecting groove 31 are respectively formed with a rotating shaft and a shaft hole matched with the rotating shaft, the connecting portion 32 extends into the connecting groove 31, and passes through the rotating shaft and the shaft hole are pivotally connected. The second casing 20 is inserted into the corresponding connecting groove 31 of the first casing 10 through the connecting portion 32, and then is pivotally connected with the shaft hole in the connecting groove 31 through the rotating shafts arranged at the two sides of the connecting portion 32, when the first casing 10 and the second casing 20 rotate relatively, the connecting groove 31 provides a space for the connecting portion 32 to rotate inside, so that the first casing 10 and the second casing 20 can be relatively folded under the condition that the whole formed bending arc shape matched with the shape of the neck of a human body is not changed, and the interference is avoided.

In some embodiments, the two second housings 20 are symmetrically disposed at opposite ends of the first housing 10, the fan wheels 27 are respectively disposed at the ends of the second housings 20 far away from the first housing 10, a partition plate 24 extending from the position of the fan wheel 27 to the end surface of the second housing 20 is disposed in the second housing 20, the partition plate 24 partitions the second housing 20 to form the second air duct 21 and an accommodating cavity, and a circuit board 26 for controlling the operation of the fan wheel 27 is disposed in the accommodating cavity. The arrangement of the partition 24 in the second casing 20 divides the space in the second casing 20 into the accommodating cavities relatively independent from the second air duct 21, and circuit elements and circuits such as the circuit board 26 for controlling the operation of the fan 27 are all installed in the accommodating cavities, so that the layout and utilization rate of the space in the second casing 20 can be optimized. Optionally, a control button 23 connected to the circuit board 26 is disposed on the outer side of the second casing 20 for controlling the fan wheel 27 to open or close.

Optionally, the second air outlet 22 is disposed on the upper side surface of the second casing 20, the partition plate 24 extends from the bottom end of the fan wheel 27 close to the lower side surface of the second casing 20 obliquely upward toward the end surface of the second casing 20, an air guiding sheet 25 is disposed in the second air duct 21, and the air guiding sheet 25 extends from the upper side surface of the second casing 20 obliquely toward the partition plate 24. The partition plate 24 is disposed to separate the space inside the second casing 20 into the second air duct 21 with a desired shape and size, and the air guiding sheet 25 can substantially uniformly guide the airflow generated by the fan 27 to flow to the second air outlet 22 on the upper side of the second casing 20. The second air outlet 22 includes air outlets disposed on the upper side of the second casing 20 at intervals, one end of the air guiding sheet 25 can be connected to a position between two adjacent air outlets on the upper side of the second casing 20, and a certain distance is formed between the other end of the air guiding sheet and the partition 24, when the air flows through the air guiding sheet, a part of the air flows changes its original direction and flows to the second air outlet 22 on the upper side of the second casing 20 along the extending direction of the air guiding sheet under the separating action of the end of the air guiding sheet close to the partition 24, so that the air flow blown out from the second air outlet 22 is more uniform, and an appropriate amount of air flow can flow into the first air duct 11 of the first casing 10, thereby ensuring the air outlet force at the first air outlet 12 of the first casing 10.

In some embodiments, the wind-guiding sheet 25 includes a plurality of (i.e., at least two) wind-guiding sheets arranged at intervals along the extending direction of the second wind duct 21, and an included angle between the wind-guiding sheet 25 close to the fan 27 and the upper side surface of the second casing 20 is smaller than an included angle between the wind-guiding sheet 25 close to the end of the second casing 20 and the upper side surface of the second casing 20. The second air duct 21 is divided into a plurality of sections by the plurality of air guide sheets 25, an included angle between the air guide sheet 25 close to the fan wheel 27 and the upper side surface of the second casing 20 is relatively smaller than an included angle between the air guide sheet 25 close to the tail end of the second casing 20 and the upper side surface of the second casing 20, air flow generated by the fan wheel 27 enters each section formed by separating the air guide sheet 25, and then is blown out from the second air outlet 22 at each section, and uniformity of air flow outflow can be improved.

Optionally, a battery accommodating cavity 13 is disposed in the middle of the first casing 10, in this embodiment, the battery accommodating cavity 13 divides the first air duct 11 into two portions respectively corresponding to the second air ducts 21 of the two second casings 20, and in other embodiments, a dividing portion may be disposed in the first air duct 11 to divide the first air duct 11 into two portions respectively corresponding to the second air ducts 21 of the two second casings 20. The battery is arranged in the middle of the first shell 10, and the two fan wheels 27 can supply power simultaneously through the battery arranged on the first shell 10, so that the arrangement of the inner circuit of the neck hanging fan is convenient, and the thickness of the second shell 20 is reduced. The tail end of the second casing 20, which is far away from the first casing 10, is provided with a protruding portion 28 extending in opposite directions, a mounting cavity for the fan wheel 27 to be mounted therein is formed in the protruding portion 28, and air inlets corresponding to the positions of the fan wheel 27 are respectively arranged on two opposite sides of the second casing 20. The end position of the second casing 20 for installing the fan wheel 27 forms the projection 28, and the thickness of the other part of the second casing 20 can be designed to be smaller than the thickness of the fan wheel 27, thereby being beneficial to reducing the thickness dimension of the second casing 20.

The neck hanging fan provided by the embodiment of the application at least has the following characteristics:

the first and the second neck hanging fans comprise a first shell 10 and second shells 20 which are rotatably connected to two ends of the first shell 10, a first air duct 11 is arranged in the first shell 10, a second air duct 21 is arranged in the second shell 20, and the second shell 20 can be folded and stored relative to the first shell 10 so as to be convenient to carry;

secondly, in order to increase the tightness of the communication between the first air duct 11 and the second air duct 21 at the joint of the first shell 10 and the second shell 20, soft rubber pieces 33 are respectively arranged at the mutually connected ends of the first shell 10 and the second shell 20, so that when the neck hanging fan is opened for use, the joint of the first shell 10 and the second shell 20 is tightly connected, and the air leakage of the first air duct 11 and the second air duct 21 at the joint position is prevented;

the third air duct 21 and the second air duct 21 are provided with a plurality of air deflectors 25 therein, when the air current flows through the air deflectors, the air current is separated by one end of the air deflector close to the partition plate 24, and part of the air current changes the original direction and flows to the second air outlet 22 located on the upper side of the second casing 20 along the extending direction of the air deflector, so that the air current blown out from the second air outlet 22 is more uniform, and it is ensured that a proper amount of air current can flow into the first air duct 11 of the first casing 10, and the air outlet force at the first air outlet 12 of the first casing 10 is ensured.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A neck hanging fan is characterized by comprising a bent first shell and two second shells which are respectively and rotatably connected with two ends of the first shell, wherein a first air channel is arranged in the first shell, a second air channel is arranged in the second shells, a first air outlet communicated with the first air channel is arranged on the first shell, a second air outlet communicated with the second air channel is arranged on the second shell, a fan wheel is arranged in the first shell or the second shell, the second shells can rotate relative to the first shell and can be folded or unfolded, when the second shells rotate relative to the first shell and are unfolded, the first air channel is communicated with the second air channel, the fan wheel is used for blowing air into the first air channel and the second air channel and respectively blowing air out from the first air outlet and the second air outlet, when the second shell rotates relative to the first shell to be in a folded state, at least one second shell rotates to be located in a space area surrounded by the first shell.

2. The neck hanging fan as claimed in claim 1, wherein a rotatable structure is provided at an end where the first housing and the second housing are connected to each other, and the first opening of the first air duct at the end of the first housing and the second opening of the second air duct at the end of the second housing are located at the same side of the rotatable structure.

3. The hanging neck fan as claimed in claim 2, wherein the first opening and the second opening are the same in shape and size, and when the second housing is rotated relative to the first housing to be in the unfolded state, the first opening is aligned with the second opening, and the first opening and the second opening are tightly connected by a sealing member.

4. The neck hanging fan as claimed in claim 3, wherein a notch is formed on the end surface of the first housing at the position of the first opening; and/or a notch is formed on the end surface of the second shell at the position of the second opening;

5. The neck fan of claim 3 wherein the seal comprises a soft plastic piece attached to the edge of the first opening by injection molding and/or a soft plastic piece attached to the edge of the second opening by injection molding.

6. The hanging neck fan as claimed in claim 2, wherein the rotatable structure comprises a connecting groove provided at the end of the first casing and a connecting portion protruding from the end of the second casing, wherein a rotating shaft and a shaft hole matching with the rotating shaft are respectively formed at two opposite sides of the connecting portion and two opposite sides surfaces in the connecting groove, and the connecting portion protrudes into the connecting groove and is pivotally connected with the shaft hole through the rotating shaft.

7. The neck hanging fan as claimed in claim 1, wherein the two second housings are symmetrically disposed at opposite ends of the first housing, the impeller is disposed at the end of the second housing away from the first housing, a partition plate is disposed in the second housing and extends from the position of the impeller to the end surface of the second housing, the partition plate partitions the second housing into the second air channel and the accommodating cavity, and a circuit board for controlling the impeller is disposed in the accommodating cavity.

8. The neck hanging fan as claimed in claim 7, wherein the second outlet is disposed at an upper side of the second casing, the partition extends from a bottom end of the fan wheel close to the lower side of the second casing to an end face of the second casing in an inclined manner, and a wind guiding plate is disposed in the second wind channel and extends from the upper side of the second casing to the partition in an inclined manner.

9. The neck hanging fan as claimed in claim 8, wherein the wind-guiding plate includes a plurality of wind-guiding plates arranged at intervals along the extending direction of the second wind channel, and an included angle between the wind-guiding plate near the fan wheel and the upper side surface of the second casing is smaller than an included angle between the wind-guiding plate near the end of the second casing and the upper side surface of the second casing.

10. The neck fan as claimed in claim 7, wherein a battery receiving chamber is provided in the middle of the first housing, and the first duct is divided into two parts respectively corresponding to and communicating with the second ducts of the two second housings; and/or the presence of a gas in the gas,