CN217401204U

CN217401204U - Portable fan convenient to it is clean

Info

Publication number: CN217401204U
Application number: CN202123440584.9U
Authority: CN
Inventors: 赖友; 杨广; 伍勋焕
Original assignee: Shenzhen Ruiwu Digital Technology Co ltd
Current assignee: Shenzhen Ruiwu Digital Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-09
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a portable fan convenient to it is clean, including the casing with set up in fan subassembly in the casing, be provided with in the casing and be used for acceping fan subassembly accept the chamber and with accept the opening of chamber intercommunication, fan subassembly include the mounting bracket, set up in motor on the mounting bracket and with the fan wheel that motor drive connects, the mounting bracket set up in the opening part and with casing detachably connects, the fan wheel with the motor is located accept the intracavity. Among the above-mentioned technical scheme of this application, because the fan includes the casing and sets up the fan subassembly in the casing, the casing is provided with the chamber of acceping and with the opening of acceping the chamber intercommunication that is used for acceping the fan subassembly, and the fan subassembly passes through the mounting bracket and is connected and the lid closes the opening with casing detachably. The user can accomplish the installation and the dismantlement of fan subassembly through the operation mounting bracket, cleans the impeller at any time to guarantee the cleanliness factor of air-out.

Description

Portable fan convenient to it is clean

Technical Field

The utility model relates to a small-size household electrical appliances technical field especially relates to a portable fan convenient to it is clean.

Background

In recent years, people are pursuing more and more convenient life, and various portable fans such as a neck hanging fan or a hand held fan are appeared on the market in order to meet the requirement that the fan is needed to be used in outdoor activities or other life scenes.

At present, in portable fans on the market, a fan blade structure is difficult to detach and clean, and a large amount of dust can be attached to the surface of the fan blade after long-time use, so that the size of wind speed and the cleanness of outlet air are affected.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model is to provide a portable fan convenient to it is clean.

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

the utility model provides a portable fan convenient to it is clean, include the casing with set up in fan subassembly in the casing, be provided with in the casing and be used for acceping fan subassembly accept the chamber, be provided with on the casing with accept the opening of chamber intercommunication, fan subassembly include the mounting bracket, set up in motor on the mounting bracket and with the fan wheel that motor drive connects, the mounting bracket set up in the opening part and with casing detachably connects, the fan wheel with the motor is located accept the intracavity.

Preferably, the mounting bracket is located within the opening and is removably connected to a side wall of the opening.

Preferably, the mounting bracket is in threaded connection with the side wall of the opening, or the mounting bracket is in snap fit with the side wall of the opening.

Preferably, one of the outer peripheral surface of the mounting frame and the side wall of the opening is provided with a clamping convex block, and the other is provided with a clamping groove; the clamping groove comprises an introduction groove and a limiting groove connected with the introduction groove, and the limiting groove extends along the circumferential direction of the opening; after the clamping lug enters the leading-in groove, the mounting frame rotates relative to the opening, so that the clamping lug is clamped into the limiting groove.

Preferably, the clamping protrusion comprises a stopping portion and a limiting portion connected with the stopping portion, the stopping portion extends along the axial direction of the opening, the limiting portion extends along the circumferential direction of the opening, the limiting portion is clamped into the limiting groove, and the stopping portion stops on the groove wall of the leading-in groove.

Preferably, be provided with the arc bellying on the spacing portion, the arc bellying court the open-ended axial is protruding to be established, be provided with correspondingly on the cell wall of spacing groove with arc bellying complex arc depressed part.

Preferably, a circle of stopping flange is convexly arranged on the side wall of the opening, the mounting frame abuts against the stopping flange, one end of the stopping part is connected with the limiting part, and the other end of the stopping part is connected with the stopping flange; or the like, or, alternatively,

and a guide inclined plane is arranged at the joint of the guide groove and the limiting groove and used for guiding the clamping convex block to smoothly enter the limiting groove.

Preferably, one side of the mounting frame, which faces away from the fan wheel, is concave or convex to form at least one handle position.

Preferably, be provided with a plurality of fresh air inlets on the mounting bracket, it is a plurality of the fresh air inlet is followed open-ended circumference interval arrangement, it is equipped with a plurality ofly to detain the hand position, and every adjacent two be provided with one between the fresh air inlet detain the hand position.

Preferably, the casing is the arc, can be used to wear to the human neck, the both ends of casing are equipped with respectively accept the chamber with the fan subassembly, the opening is located on the inside wall of casing.

Among the above-mentioned technical scheme of this application, because portable fan includes the casing and sets up the fan subassembly in the casing, the casing is provided with the chamber of acceping that is used for acceping the fan subassembly and with the opening of acceping the chamber intercommunication, the mounting bracket sets up in the opening part and is connected with casing detachably. The user can accomplish the installation and the dismantlement of fan subassembly through the operation mounting bracket, cleans the impeller at any time to guarantee the cleanliness factor of air-out.

Drawings

FIG. 1 is a perspective view of a portable fan for facilitating cleaning in an embodiment of the present application;

FIG. 2 is a partial view of a portable fan for facilitating cleaning in an embodiment of the present application;

FIG. 3 is a partial view of the fan assembly shown disassembled in an embodiment of the present application;

FIG. 4 is a partial view of the snap tab of FIG. 3;

FIG. 5 is a partial view of the clamping groove of FIG. 3;

FIG. 6 is a partial cross-sectional view of a portable fan that facilitates cleaning in an embodiment of the present application.

The reference numbers indicate:

100-shell, 101-containing cavity, 102-opening, 103-air duct, 104-air outlet, 105-stop flange, 106-air inlet, 107-shielding cover, 108-circuit board, 109-switch button, 110-clamping convex block, 111-stop part, 112-limiting part and 113-arc convex part; 200-a fan assembly, 210-a mounting frame, 211-a handle position, 212-an air inlet hole, 213-a mounting part, 220-a motor, 221-a stator, 222-a rotor, 230-a fan wheel, 240-a clamping groove, 241-an introduction groove, 242-a limiting groove, 243-an arc-shaped concave part and 244-a guide inclined plane.

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 herein in the description of the invention 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 describes 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. As used herein, the terms "vertical," "horizontal," "inner," "outer," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

The embodiment of the application provides a portable fan convenient to clean, and the portable fan can be a handheld fan, a neck hanging fan and other small fans. The drawings of the present embodiment are illustrated with a neck hanging fan.

Referring to fig. 1 to 6, a portable fan for cleaning includes: the fan assembly comprises a shell 100 and a fan assembly 200 arranged in the shell 100, wherein a containing cavity 101 used for containing the fan assembly 200 is arranged in the shell 100, an opening 102 communicated with the containing cavity 101 is formed in the shell 100, the fan assembly 200 comprises a mounting frame 210, a motor 220 arranged on the mounting frame 210 and a fan wheel 230 in transmission connection with the motor 220, the mounting frame 210 is arranged at the opening 102 and detachably connected with the shell 100, and the fan wheel 230 and the motor 220 are located in the containing cavity 101. When more dust or dirt adheres to the fan wheel 230, a user can operate the mounting frame 210 to separate from the casing 100, and detach the whole fan assembly 200, so that the fan wheel 230 can be cleaned, and the dirty fan wheel 230 is prevented from affecting the wind speed and the cleanness of the outlet air.

In the above technical solution of the present application, because the fan includes the housing 100 and the blower assembly 200 disposed in the housing 100, the housing 100 is provided with the accommodating cavity 101 for accommodating the blower assembly 200 and the opening 102 communicated with the accommodating cavity 101, the mounting frame 210 is disposed at the opening 102 and detachably connected to the housing 100, and the fan wheel 230 and the motor 220 are located in the accommodating cavity 101. The user can accomplish the installation and the dismantlement of fan subassembly 200 through operation mounting bracket 210, cleans fan wheel 230 at any time to guarantee the cleanliness factor of air-out.

Referring to fig. 3 to 5, as a preferred embodiment of the present invention, the sidewall of the opening 102 extends toward the interior of the receiving cavity 101 such that the sidewall has a sufficient axial length, and the mounting frame 210 is located in the opening 102 and detachably connected to the sidewall of the opening 102, and the mounting frame 210 covers the opening 102. Further, the mounting bracket 210 may be screwed with a sidewall of the opening 102, the sidewall of the opening 102 is provided with an internal thread, and an outer circumferential surface of the mounting bracket 210 is provided with an external thread. Still alternatively, the mounting bracket 210 is snap-fitted to the side wall of the opening 102, so that the mounting bracket 210 can be easily detached from the opening 102. Still alternatively, the peripheral casing 100 of the mounting bracket 210 is snap-connected around the peripheral portion of the opening 102, while the fan wheel 230 and the motor 220 are located in the receiving cavity 101.

As a specific embodiment of the present invention, one of the outer peripheral surface of the mounting frame 210 and the side wall of the opening 102 is provided with a clamping protrusion 110, and the other is provided with a clamping groove 240, and the clamping protrusion 110 can be clamped into the clamping groove 240 to lock the mounting frame 210 at a specific position on the housing 100. In the embodiment shown in the drawings, the sidewall of the opening 102 is provided with the locking protrusion 110, the outer circumferential surface of the mounting bracket 210 is provided with the locking groove 240, the locking groove 240 includes an introduction groove 241 and a limit groove 242 connected to the introduction groove 241, and the limit groove 242 extends along the circumferential direction of the opening 102. When the fan assembly 200 is required to be installed, the locking protrusion 110 enters the guiding groove 241, and the mounting frame 210 is rotated relative to the opening 102, so that the locking protrusion 110 is locked in the limiting groove 242, thereby achieving the locking of the position. When the blower assembly 200 needs to be disassembled, the mounting bracket 210 is rotated in the opposite direction relative to the opening 102, and the locking protrusion 110 is withdrawn from the limiting groove 242, so that the mounting bracket 210 is separated from the housing 100.

Further, the clamping protrusion 110 includes a stopping portion 111 and a limiting portion 112 connected to the stopping portion 111, the stopping portion 111 extends along the axial direction of the opening 102, the limiting portion 112 extends along the circumferential direction of the opening 102, the limiting portion 112 is clamped into the limiting groove 242, and the stopping portion 111 stops on the groove wall of the guiding groove 241 to prompt the user that the user has rotated to the position. Further, the limiting portion 112 may further be provided with an arc-shaped protruding portion 113, the arc-shaped protruding portion 113 is protruded toward the axial direction of the opening 102, and an arc-shaped recessed portion 243 matched with the arc-shaped protruding portion 113 is correspondingly provided on a groove wall of the limiting groove 242. The arc-shaped protrusions 113 are clamped into the arc-shaped recesses 243 to further lock the position of the mounting frame 210, and the clamping force prevents the clamping protrusions 110 from falling out of the clamping grooves 240 during shaking.

As an optional embodiment of the present invention, a connection portion between the introduction groove 241 and the limiting groove 242 is provided with a guide inclined surface 244 for guiding, and the guide inclined surface 244 is used for guiding the limiting portion 112 to smoothly enter the limiting groove 242. A circle of stopping flange 105 is further protruded on the sidewall of the opening 102, the mounting frame 210 abuts against the stopping flange 105 and is stopped at a specific depth of the opening 102, one end of the stopping portion 111 is connected with the limiting portion 112, and the other end is connected with the stopping flange 105.

Referring to fig. 1 and fig. 6, as an embodiment of the present invention, a plurality of spaced fastening positions 211 are protruded on a side of the mounting frame 210 facing away from the fan wheel 230, and the fastening positions 211 extend along a radial direction of the opening 102. In the embodiment shown in the drawings, the handle 211 is in the shape of an arc plate and protrudes out of the surface of the mounting block 210, and the handle 211 is used for facilitating the user to rotate the mounting block 210. In other embodiments, there may be only one locking position 211, and the locking position 211 may also be a concave groove formed on a side of the mounting frame 210 facing away from the fan wheel 230, so as to facilitate the user to operate the mounting frame. Further, a plurality of air inlet holes 212 are formed in the mounting frame 210, the air inlet holes 212 are arranged at intervals along the circumferential direction of the opening 102, and a fastening position 211 is formed between every two adjacent air inlet holes 212. An air duct 103 communicated with the accommodating cavity 101 is formed in the casing 100, a plurality of air outlet holes 104 communicated with the air duct 103 are formed in the casing 100, outside air enters the accommodating cavity 101 from the air inlet holes 212 and is accelerated by the fan wheel 230 to form air flow, and the air flow is sent to the neck of a human body from the air outlet holes 104. Further, the method is carried out. The mounting bracket 210 is provided with a mounting portion 213 protruding toward one side of the impeller 230, the motor 220 includes a stator 221 and a rotor 222 disposed around the stator 221, the impeller 230 is sleeved on the rotor 222, and the stator 221 is fixed on the mounting portion 213. When the motor 220 is energized, the magnetic field inside changes to rotate the rotor 222 relative to the stator 221, and the fan wheel 230 rotates to fan along with the rotation of the rotor 222.

In the embodiment shown in the drawings, the housing 100 is arc-shaped and can be used to be worn on the neck of a human body, two ends of the housing 100 are respectively provided with the accommodating cavity 101 and the fan assembly 200, the opening 102 is disposed on one side of the housing 100 close to the neck of the human body, that is, on the inner side wall of the housing 100, and one side of the housing 100 away from the neck of the human body can also be provided with an air inlet 106 corresponding to the fan assembly 200, that is, the air inlet 106 is disposed on the outer side wall of the housing 100, a shielding cover 107 is disposed at the air inlet 106, an air inlet gap is formed between the shielding cover 107 and the air inlet 106, and by the arrangement of the shielding cover 107, sundries can be prevented from entering the fan from the air inlet 106. In addition, the shell is also internally provided with a circuit board 108 electrically connected with the motor 220, one side of the shell, which is away from the neck of the human body, is also provided with a switch key 109, the switch key 109 corresponds to a switch on the circuit board 108, and a user can turn on or off the fan assembly 200 by touching the switch key 109.

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

Claims

1. The utility model provides a portable fan convenient to it is clean, its characterized in that, including the casing with set up in fan subassembly in the casing, be provided with in the casing and be used for acceping the chamber of acceping of fan subassembly, be provided with on the casing with accept the opening of chamber intercommunication, the fan subassembly include the mounting bracket, set up in motor on the mounting bracket and with the flabellum wheel that motor drive connects, the mounting bracket set up in the opening part and with casing detachably connects, the flabellum wheel with the motor is located accept the intracavity.

2. The portable fan of claim 1, wherein the mounting bracket is positioned within the opening and removably coupled to a sidewall of the opening.

3. The portable fan of claim 2, wherein the mounting bracket is threaded or snap-fitted to the side wall of the opening.

4. The portable fan as claimed in claim 2, wherein one of the outer circumferential surface of the mounting frame and the side wall of the opening is provided with a chucking protrusion, and the other thereof is provided with a chucking groove; the clamping groove comprises an introduction groove and a limiting groove connected with the introduction groove, and the limiting groove extends along the circumferential direction of the opening; after the clamping lug enters the leading-in groove, the mounting frame rotates relative to the opening, so that the clamping lug is clamped into the limiting groove.

5. The portable fan as claimed in claim 4, wherein the locking protrusion includes a stopping portion and a limiting portion connected to the stopping portion, the stopping portion extends along an axial direction of the opening, the limiting portion extends along a circumferential direction of the opening, the limiting portion is locked in the limiting groove, and the stopping portion is stopped on a groove wall of the guiding groove.

6. The portable fan as claimed in claim 5, wherein the position-limiting portion has an arc-shaped protrusion protruding toward the axial direction of the opening, and the wall of the position-limiting groove has an arc-shaped recess correspondingly engaged with the arc-shaped protrusion.

7. The portable fan as claimed in claim 5, wherein a ring of stopping flange is protruded from a sidewall of the opening, the mounting frame abuts against the stopping flange, one end of the stopping portion is connected to the limiting portion, and the other end of the stopping portion is connected to the stopping flange; or the like, or a combination thereof,

8. The portable fan of claim 2, wherein the side of the mounting bracket facing away from the fan wheel is recessed or raised to form at least one locking position.

9. The portable fan as claimed in claim 8, wherein the mounting frame is provided with a plurality of air inlet holes, the air inlet holes are spaced along a circumferential direction of the opening, the fastening position is provided with a plurality of fastening positions, and one fastening position is provided between every two adjacent air inlet holes.

10. The portable fan according to any one of claims 1 to 9, wherein the housing is arc-shaped and can be worn to a neck of a human body, the housing has the accommodating cavity and the blower assembly at two ends, and the opening is disposed on an inner side wall of the housing.