CN216812220U

CN216812220U - Miniature fan

Info

Publication number: CN216812220U
Application number: CN202220045593.3U
Authority: CN
Inventors: 黄�益
Original assignee: Shenzhen Shishangpin Technology Co ltd
Current assignee: Shenzhen Shishangpin Technology Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-24
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a miniature fan, which relates to the technical field of fans and comprises an air inlet cover, an air outlet window, a bottom shell, a battery, a PCB (printed circuit board), a fan blade module and a motor for driving the fan blade module to rotate, wherein a partition plate is detachably fixed in the bottom shell; the battery and the PCB are arranged between the bottom surface of the partition plate and the bottom shell, the motor and the fan blade module are arranged between the top surface of the partition plate and the air inlet cover, and the motor is fixed on the partition plate; redesigned and distributed the air outlet window of the micro fan. The miniature fan can be used independently without a support, can be horizontally arranged on a platform, the air inlet cover faces upwards, the air outlet window is positioned on the side part, air can be normally exhausted from the side direction, if the platform is smooth enough, the whole miniature fan can rotate in situ under the drive of wind power, and the experience is excellent. The miniature fan can be directly hung at the bottom end of a neck hanging piece, a complex angle adjusting structure is not needed, the structure is simple, and wind energy blown out from the air outlet window can be just blown to the head, the neck and other areas.

Description

Miniature fan

Technical Field

The utility model relates to the technical field of fans, in particular to a miniature fan.

Background

In recent years, people increasingly pursue more convenient life, and in order to meet the requirement that fans need to be used in outdoor activities or other life and work scenes, various portable micro fans are appeared on the market, and the micro fans can be used independently or connected to a neck hanging piece to form the neck hanging fan. This kind of current miniature fan includes air inlet cover, air-out window, drain pan, battery, PCB board, flabellum module and motor isotructure, and the air-out window sets up the central point at the drain pan, and battery, PCB board and motor electric connection, when motor drive flabellum module rotated, from the air inlet cover air inlet, from the air-out window air-out on the drain pan. The air outlet mode of the existing miniature fan is poor in applicability in many times. For example, when the single micro fan is laid on a platform without a mounting bracket, the air inlet cover must be attached to the platform downwards, or the air outlet window must be attached to the platform downwards, which makes it difficult to blow air normally and efficiently; for example, when the existing micro fan is connected to a neck hanging piece, the neck hanging piece can be blown only by a flexible and large-range angle adjusting structure, and the structure is complex.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a micro fan that alleviates the above problems.

In order to alleviate the above problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a miniature fan which comprises an air inlet cover, an air outlet window, a bottom shell, a battery, a PCB (printed circuit board), a fan blade module and a motor for driving the fan blade module to rotate, wherein a partition plate is detachably fixed in the bottom shell; the battery and the PCB are arranged between the bottom surface of the partition plate and the bottom shell, the motor and the fan blade module are arranged between the top surface of the partition plate and the air inlet cover, and the motor is fixed on the partition plate; the fan blade module is arranged in the fan housing, and the fan blade module is arranged in the fan housing; the air outlet window is provided with air deflectors, and all the air deflectors incline towards the inner side in the anticlockwise direction or incline towards the inner side in the clockwise direction.

In the scheme, the air outlet window of the miniature fan is redesigned and distributed. This miniature fan can need not the support and uses alone, can put its flat platform in, and the air inlet cover is up, and the air-out window is located the lateral part, just can normally air-out from the side direction, if the platform is enough smooth, whole miniature fan under wind-force drive, still can rotate in situ, and experience is splendid. The miniature fan can be directly hung at the bottom end of the neck hanging piece, a complex angle adjusting structure is not needed, the structure is simple, and wind energy blown out from the air outlet window can be just blown to the head, the neck and other areas.

In a preferred embodiment of the present invention, the partition is a light-transmitting member, and the PCB board is mounted with an LED decorative lamp.

In this scheme, when the LED ornament lamp is bright, can see through the baffle and diverge, that is to say, make the miniature fan luminous, elegant appearance.

In a preferred embodiment of the present invention, the partition plate and the bottom case are detachably and fixedly connected by a screw; the air inlet cover is clamped on the partition plate through a buckle assembly.

In a preferred embodiment of the present invention, the bottom of the bottom casing is in interference fit with a base.

This miniature fan can rotate when placing in the platform, has designed the base after, and the drain pan just need not directly rub with the platform contact.

In a preferred embodiment of the present invention, the edge portion of the air inlet cover is provided with a plurality of downward notches, the edge portion of the bottom case is provided with a plurality of upward notches, the notches of the air inlet cover and the notches of the bottom case are combined in a one-to-one correspondence manner to form a plurality of air outlets, and the air outlet windows are mounted in the air outlets in a one-to-one correspondence manner.

This scheme is to the breach design that corresponds that the edge of air inlet cover and drain pan gone on, is convenient for assemble the air-out window.

In a preferred embodiment of the present invention, when the fan blade module rotates, the wind blown out from the wind outlet windows is tangent to a circular line where each of the wind outlet windows is located.

This scheme is equivalent to carried out the angle restriction to the aviation baffle of air-out window for this miniature fan can ensure to rotate in the original place when placing in the platform use, then need not worry about the platform that falls down because of the position change when rotating.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is an exploded view of a micro fan according to the present invention;

FIG. 2 is a schematic view of the structure of the air inlet cover of the present invention;

FIG. 3 is a schematic structural diagram of the bottom case according to the present invention;

in the figure: 1-an air inlet cover, 2-a fan blade module, 3-a motor, 4-an air outlet window, 5-a partition plate, 6-an air blowing control key, 7-a PCB (printed Circuit Board), 8-a battery, 9-a bottom shell, 10-a base, 11-an air deflector, 12-a notch and 13-a notch.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides a micro fan, which includes an air inlet cover 1, an air outlet window 4, a bottom case 9, a battery 8, a PCB board 7, a fan blade module 2, and a motor 3 for driving the fan blade module 2 to rotate, wherein a partition plate 5 is detachably fixed in the bottom case 9; the battery 8 and the PCB 7 are arranged between the bottom surface of the partition plate 5 and the bottom shell 9, the motor 3 and the fan blade module 2 are arranged between the top surface of the partition plate 5 and the air inlet cover 1, and the motor 3 is fixed on the partition plate 5; the air outlet windows 4 are detachably arranged between the air inlet cover 1 and the side edge part of the bottom shell 9, and the air outlet windows 4 are annularly and equidistantly arranged around the fan blade module 2; the air outlet window 4 is provided with air deflectors 11, and all the air deflectors 11 incline towards the inner side in the anticlockwise direction or incline towards the inner side in the clockwise direction.

In the utility model, the outer contour of the air outlet window 4 is an arc structure, and each air outlet window 4 is equivalently arranged on an annular contour track concentric with the fan blade module 2.

In the utility model, the partition plate 5 is provided with the wire passing hole, so that a motor cable can pass through the wire passing hole to electrically connect the motor 3 and the PCB 7.

In the utility model, the outer side wall of the bottom shell 9 is provided with the hanging lug, so that the hanging lug can be conveniently hung at a certain position for use.

The miniature fan can be used independently, and the using method comprises the following steps: the micro fan is horizontally arranged on the smooth platform surface, the air inlet cover 1 faces upwards, air is exhausted from the air outlet window 4 after the fan is started, and the micro fan can be driven by wind power to rotate on the platform surface in a positioning mode under the action of the air deflector 11.

The micro fan can be matched with other structures for use, such as a U-shaped neck hanging piece, the micro fan is vertically arranged and hung at the end of the U-shaped neck hanging piece, after the micro fan is started, air can be blown to a vertical surface, and the head, the neck, the hands and other parts of a user can dissipate heat.

In an alternative embodiment of the utility model, the partition 5 is a light-transmitting member, and the PCB 7 is provided with an LED decorative lamp.

In the present embodiment, the PCB board 7 obtains power from the battery 8, and then drives the LED decorative lamp to emit light.

In an alternative embodiment of the utility model, the partition 5 and the bottom shell 9 are removably and fixedly connected by means of screws; the air inlet cover 1 is clamped on the partition plate 5 through a buckle assembly.

In this embodiment, the buckle assembly includes the elastic buckle that sets up in baffle 5 to and set up the draw-in groove in air inlet cover 1, and when the assembly, air inlet cover 1 is with elastic buckle elastic bending, and the assembly is accomplished promptly behind the draw-in groove of air inlet cover 1 is slided in the matching of elastic buckle, when pulling down, reverse operation can.

In an alternative embodiment of the present invention, the bottom of the bottom shell 9 is interference-locked to a base 10.

In the embodiment, the base 10 and the bottom case 9 are connected by interference fit, the interference force is not required to be too large, and the requirement that ordinary people can use fingers to break the base 10 off the bottom case 9 is met.

In an alternative embodiment of the present invention, as shown in fig. 2, the edge portion of the air inlet cover 1 is provided with a plurality of downward notches 12, as shown in fig. 3, the edge portion of the bottom shell 9 is provided with a plurality of upward notches 13, the notches of the air inlet cover 1 and the notches of the bottom shell 9 are combined in a one-to-one correspondence manner to form a plurality of air outlets, and the air outlet windows 4 are mounted in the air outlets in a one-to-one correspondence manner.

In this embodiment, the air outlet window 4 and the partition plate 5 and the bottom case 9 are all in an assembly connection relationship, wherein the edge of the air outlet window 4 can be provided with a clamping groove, the edge of the notch 13 of the bottom case 9 is clamped by the clamping groove, and two ends of the air outlet window 4 are elastically clamped with the upward convex part of the edge of the partition plate 5.

In an alternative embodiment of the present invention, the charging port of the battery 8 and the blowing control button 6 connected to the PCB board 7 are disposed at the outer circumferential side of the bottom chassis 9.

In the conventional art, the charging port of the battery 8 and the blowing control button 6 are generally disposed on the fan support, but in the present invention, since there is no fan support, it is optionally disposed on the bottom case 9.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A micro fan comprises an air inlet cover, an air outlet window, a bottom shell, a battery, a PCB (printed circuit board), a fan blade module and a motor for driving the fan blade module to rotate, and is characterized in that a partition plate is detachably fixed in the bottom shell; the battery and the PCB are arranged between the bottom surface of the partition plate and the bottom shell, the motor and the fan blade module are arranged between the top surface of the partition plate and the air inlet cover, and the motor is fixed on the partition plate; the fan blade module is arranged in the fan housing, and the fan blade module is arranged in the fan housing; the air outlet window is provided with air deflectors, and all the air deflectors incline towards the inner side in the anticlockwise direction or incline towards the inner side in the clockwise direction.

2. The micro-fan of claim 1, wherein the partition is a light-transmissive member, and the PCB board is mounted with an LED decorative lamp.

3. The micro fan as claimed in claim 1, wherein the partition plate and the bottom case are detachably and fixedly coupled by a screw; the air inlet cover is clamped on the partition plate through a buckle assembly.

4. The micro fan as claimed in claim 3, wherein the bottom of the bottom case is press-fit with a base.

5. The micro fan as claimed in claim 1, wherein the air inlet cover has a plurality of downwardly facing notches at an edge portion thereof, the bottom housing has a plurality of upwardly facing notches at an edge portion thereof, the air inlet cover and the bottom housing are correspondingly combined to form a plurality of air outlets, and the air outlet windows are correspondingly mounted at the air outlets.

6. The micro-fan of claim 1, wherein a charging port of the battery and a blowing control button connected to the PCB are disposed at an outer circumferential side of the bottom case.

7. The micro-fan of claim 1, wherein when the fan blade module rotates, the air blown out from the air outlet windows is tangential to a loop line on which each of the air outlet windows is located.