WO2015003352A1

WO2015003352A1 - Miniature fan

Info

Publication number: WO2015003352A1
Application number: PCT/CN2013/079181
Authority: WO
Inventors: 樊书印
Original assignee: Fan Shuyin
Priority date: 2013-07-09
Filing date: 2013-07-11
Publication date: 2015-01-15
Also published as: CN103334949A; CN103334949B

Abstract

A miniature fan comprising a housing and a motor (2) arranged within the housing, also comprising a fixing frame (1) used for fixing the motor (2). Because the miniature fan is provided with the fixing frame (1) used for fixing the motor (2), first the motor (2) is fixed by the fixing frame (1), and then the fixing frame (1) is fixed within the housing, and, because the fixing frame (1) allows for convenient fitting with the housing for fixing and allows for firm fixing, normal operation of the motor (2) can be ensured by the fixing frame (1).

Description

Miniature fan

[Technical Field]

The present invention relates to the field of household appliances, and more particularly to a miniature fan. 【Background technique】

At present, the fans on the market mainly include ceiling fans and floor fans. The ceiling fans generally have no fan protection cover, and the floor fans basically have fan protection covers to avoid harming the user. In order to meet people's needs, some portable micro fans have appeared on the market. These miniature fans are mostly small, mainly including a housing and a motor and a fan blade disposed in the housing, and have a built-in battery or a rechargeable battery. It is easy to carry and use.

I have designed a miniature fan that includes a housing that is generally in the shape of a car wheel, a rechargeable battery that is mounted in the housing, a charging interface for charging, a power control switch, and a soft material that is placed outside the housing. The fan blade and the fixing member for fixing the blade; the fixing member is tightly coupled with the output end of the motor, so that the rotation of the motor drives the fixing member to rotate, thereby driving the blade to rotate. The housing includes a first placement portion and a second placement portion connected by a connector, the housing including a front case and a rear case fixed by screws, the first placement portion including a first placement groove disposed at the front case And a second placement groove disposed at the rear case; the second placement portion includes a first groove disposed at the front case and a second groove disposed at the rear case. The motor is placed between the first placement slot and the second placement slot. When the front shell and the rear shell are fixed, the first placement slot and the second placement slot cooperate with the fixed motor; the power control switch and the charging interface are both installed in the second Place it in the slot. Since the fan blade is disposed outside the casing without any obstruction, the waste of the air volume is avoided, thereby increasing the wind power; in addition, the fan blade is made of a soft material, and is not caused by the user even if it is touched by the user. hurt. This program is not public.

However, the motor vibrates during operation, so that it is easy to shake, since the motor is directly fixed by the first placement groove of the front and rear casings and the second placement groove, and the second placement groove of the rear case is further provided with a charging interface and The power control switch, so that the fixing of the motor is not strong. [Summary of the Invention]

The technical problem to be solved by the present invention is to provide a micro fan with a fixed motor.

The object of the present invention is achieved by the following technical solutions: A microfan comprising a housing and a motor placed in the housing, and a mounting bracket for fixing the motor.

Preferably, the housing includes a front housing and a rear housing, and the front housing and the rear housing are respectively provided with a first placement slot and a second placement slot, and the motor is placed in the first placement slot and the second placement slot The fixing frame includes a fixing plate, a first through hole for passing through the motor is disposed in a middle portion of the fixing plate, and a side of the fixing plate extends along the first through hole for a placement The first convex edge of the motor. Providing a first through hole on the fixing frame and a first protruding edge of the first through hole, placing the motor from the first through hole into the first protruding edge, so that the motor is restrained in the first protruding edge, The holder is then mated with the rear case and the front case to securely hold the motor in the housing.

Preferably, the first placement groove edge is provided with a recess, and the first convex edge is placed in the recess. This is a form of fit between the holder and the front case, with the first flange being placed into the recess so that one side of the holder is constrained within the recess.

Preferably, the inner surface of the first flange is provided with a protrusion for limiting the motor. The motor is placed in the first flange, and the volume of the first flange is larger than the volume of the motor to facilitate the placement of the motor. In order to limit the motor, a protrusion is provided in the first flange so that the protrusion limits the motor.

Preferably, the motor comprises two opposite rectangular sides, and the first protruding edge is provided with a limiting plate for respectively limiting the rectangular side. This is a specific structure of the motor. Two opposite rectangular sides are provided for convenient limitation. Two limiting plates are arranged in the first protruding edge to fit the sides of the rectangle, so that the limiting plate can limit the motor. Fixed to prevent the motor casing from rotating within the first ledge.

Preferably, the other side of the fixing plate is provided with a second protruding edge, a part of the motor is placed in the second protruding edge, and a second positioning groove edge is provided with the second protruding edge. Three convex edges. Therefore, the other side of the fixing frame is fixed by the second convex edge and the third convex edge on the rear casing, and both sides of the fixing frame are fixed, so that the fixing frame is firmly fixed between the rear casing and the front casing, and the motor It is firmly fixed in the holder so that the motor can work normally. Preferably, the second convex edge outer surface is provided with a first platform for placing the third convex edge, and the third convex edge inner surface is provided with a second platform for placing the second convex edge . This is a form of engagement of the second ledge such that the second ledge is constrained to the rear casing to prevent movement of the retainer.

Preferably, the fixing plate is provided with a fixing post, and the rear casing is further provided with a second groove connected to the second placing groove through a connecting member, and the connecting member is provided with a fixing post for placing the fixing column. Jack. The two sides of the fixing frame are respectively limited by the front shell and the rear shell, and then fixed by the fixing post and the jack, and the fixing bracket is firmly fixed between the front shell and the rear shell.

Preferably, the second ledge and the third ledge are both provided with openings for placing wires. The opening is provided to facilitate the fit between the second ledge and the third ledge, and material and wire length are saved.

Preferably, the first protruding edge, the second protruding edge and the third protruding edge root are all provided with reinforcing ribs. Set the ribs to increase the firmness.

In the present invention, since the micro fan is provided with a fixing frame for fixing the motor, the fixing frame first fixes the motor, and then the fixing frame is fixed in the casing, and the fixing frame is conveniently fixed and fixed to the casing, and is fixed firmly. The mounting bracket ensures that the motor is working properly.

[Description of the Drawings]

1 is an overall structural view of a micro fan according to an embodiment of the present invention;

2 is a schematic structural view of a view of a fixing frame according to an embodiment of the present invention;

3 is a schematic structural view of another view of the fixing frame according to the embodiment of the present invention;

4 is a schematic structural view of a motor according to an embodiment of the present invention;

Figure 5 is a schematic view showing the cooperation of the front case and the fixing frame according to the embodiment of the present invention;

6 is a schematic structural view of a front case according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a rear case according to an embodiment of the present invention.

Wherein: 1, the fixing frame; 11, the first convex edge; 111, the limiting plate; 112, the protrusion; 12, the second convex edge; 121, the first platform; 13, the second through hole; 14, the opening; , motor; 21, rectangular side; 22, curved side; 23, limit member; 24, motor output shaft; 3, front shell; 31, first placement slot; Three-way hole; 33, recess; 4, rear shell; 41, third convex edge; 411, second platform; 42, second placement groove; 43, cylinder; 44, jack; 5, connecting piece; Leaf; 7, bracket.

【detailed description】

The invention will now be further described with reference to the drawings and preferred embodiments.

The present invention discloses a micro fan including a housing and a motor placed in the housing, as shown in Figs. 1 to 7, further including a holder 1 for fixing the motor 2. In the present invention, since the micro fan is provided with a fixing frame 1 for fixing the motor 2, the fixing frame 1 first fixes the motor 2, and then the fixing frame 1 is fixed in the housing, because the fixing frame 1 is conveniently fixed with the housing. , and fixed firmly, so that the fixing frame 1 can ensure the normal operation of the motor 2.

FIG. 1 is a schematic view showing the overall structure of the micro fan. The housing of the micro fan is an automobile wheel structure. The micro fan further includes a rechargeable battery installed in the housing, a charging interface for charging, and a setting. A blade 6 made of a soft material outside the casing and a fixing member for fixing the blade 6, the casing includes both ends and a side wall, and the blade 6 is fixed to one end of the casing by a fixing member. Since the end of the housing of the micro fan is circular, the structure enclosed by the blade 6 is also circular, so that when the size of the blade 6 is set, the blade 6 can be enlarged compared to a rectangle or other shape. In turn, it is possible to increase the area of the micro fan blower. Since the fan blade 6 is disposed outside the casing without any obstruction, the waste of the air volume is avoided, thereby increasing the wind power; in addition, the blade 6 is made of a soft material, even if the user touches it. It causes damage. At the bottom of the housing, there is a bracket 7 for supporting the micro fan body, and the support of the micro fan through the bracket 7 makes it stable and convenient to use.

The housing includes a second placement portion for placing a rechargeable battery and a first placement portion for placing the motor 2, the power control switch, and the charging interface, the first placement portion and the second placement portion being integrated by the connector 5 connection. The housing includes a front case 3 and a rear case 4 fixed by screws, a front case as shown in FIG. 6 and a rear case as shown in FIG. 7, and the rear case 4 is provided with a screw hole, and the corresponding front case 3 is provided with The screw hole of the screw hole is matched. The front housing 3 and the rear housing 4 are cooperatively fixed to form the first placement portion and the second placement portion. The fan blade 6 and the fixing member for fixing the blade 6 are disposed at the front shell end; Both the shutdown and charging interfaces are located on the rear housing end. The first placement portion includes a first placement groove 31 disposed at the front case 3 and the second placement groove 42 disposed at the rear case 4; the second placement portion includes a first portion disposed at the front case 3 A recess and a second recess disposed at the rear case 4, the power control switch and the charging interface being placed in the second placement slot 42.

In this embodiment, as shown in FIG. 5, the front case and the fixing frame are matched, and the motor 2 is placed between the first placement slot 31 and the second placement slot 42. The mounting bracket 1 includes a a fixing plate, a first through hole for passing through the motor is disposed in a middle portion of the fixing plate, and a first protruding edge 11 for placing the motor 2 is extended along a first through hole toward a side of the fixing plate; a through hole and a first ledge 11 matching the first through hole, the motor 2 is placed from the first through hole into the first ledge 11, so that the motor 2 is restrained in the first ledge 11, and then The fixing frame 1 is further engaged with the rear case 4 and the front case 3, so that the motor 2 is firmly fixed in the housing, thereby ensuring the normal operation of the motor 2. The first placement groove 31 is provided with a recess 33 along its edge, and the first flange 11 is placed in the recess 33. This is a fitting manner of the holder 1 and the front case 3, and the first flange 11 is placed in the recess 33 so that the side of the holder 1 is restrained in the recess 33.

In this embodiment, the fixing frame shown in FIG. 2 and FIG. 3 is fixedly fixed to the front and rear shells on both sides of the fixing frame 1, and one side is fixed by the first protruding edge 11 and the front housing 3, and the other is fixed. More specifically, in combination with the rear case shown in FIG. 7, the other side of the fixing plate is provided with a second flange 12, and the motor 2 is partially placed in the second flange 12, and the second placement groove 42 is edged. Provided with a third flange 41 that cooperates with the second flange 12; thus the other side of the holder 1 is engaged by the second flange 12 and the third flange 41 on the rear shell 4, and both sides of the holder 1 are The motor 1 is fixed, and the holder 1 is firmly fixed between the rear case 4 and the front case, and the motor 2 is firmly fixed in the holder 1, so that the motor 2 can be normally operated. The second edge of the second flange 12 is provided with a first platform 121 for placing the third flange 41, and the second edge of the third edge 41 is provided with a second platform 411 for placing the second flange 12; This is a manner of engagement of the second ledge 12 such that the second ledge 12 is constrained to the rear housing 4, thereby preventing the retaining frame 1 from moving.

The front shell 3 and the rear shell 4 respectively limit the two sides of the fixing frame 1. In order to fix the fixing bracket 1 more firmly, in order to ensure the normal operation of the motor 2, the following fixing is also provided, and the fixing plate is provided with a fixing column ( Figure The rear case 4 is further provided with a second recess connected to the second placement slot 42 through the connecting member 5, and the connecting member 5 is provided with a socket 44 for placing the fixing post; The two sides of the frame 1 are respectively restrained by the front case 3 and the rear case 4, and then fixed together with the insertion hole 44 through the fixing post, and the fixing frame 1 is firmly fixed between the front case 3 and the rear case 4. A reinforcing rib is disposed between the fixing post and the second flange 12 in this embodiment, thereby increasing the firmness of the fixing post. An upwardly-shaped cylinder 43 is disposed on the connecting member 5 of the embodiment. The insertion hole 44 is disposed on the cylinder 43. The fixing post is inserted into the insertion hole 44 of the cylinder 43. The insertion hole 44 is a circular hole. The corresponding fixed column has a cylindrical structure, and the fixed column is rounded to facilitate insertion into the socket 44.

In the present embodiment, the first flange 11 and the second flange 12 are both configured in cooperation with the motor 2, more specifically, the motor shown in FIG. 4, the motor includes two opposite rectangular sides 21 and The rectangular side surface 21 is connected with two opposite curved side surfaces 22, and in conjunction with FIG. 2 and FIG. 3, the first protruding edge 11 is provided with a limiting plate 111 for respectively limiting the rectangular side surface 21; The two opposite rectangular side faces 21 and the two opposite curved side faces 22 are arranged to facilitate the limiting. The first limiting edge 11 is provided with two limiting plates 111 and the rectangular side faces 21, so that the limiting plate 111 can The motor 2 is limited and fixed to prevent the motor 2 housing from rotating within the first flange. In order to further limit and fix the motor 2, the inner surface of the first flange 11 is provided with a protrusion 112 for limiting the curved side surface 22 of the motor 2; the motor 2 is placed in the first flange 11, The volume of the first ledge 11 is larger than the volume of the motor 2 to facilitate the placement of the motor 2. In order to limit the motor 2, a projection 112 is provided in the first ledge 11 so that the projection 112 limits the motor 2. Therefore, by limiting and fixing the motor 2, the motor 2 can be firmly fixed in the fixing frame 1, and the fixing frame 1 is firmly fixed between the front case and the rear case, so that the motor 2 is firmly fixed. It is fixed in the housing so that the motor 2 can be operated normally.

Of course, the motor of the present embodiment can also be provided in other configurations, and the holder is provided in cooperation with the structure of the motor to fix the motor.

In this embodiment, the second flange 12 and the third flange 41 are both provided with an opening 14 for placing a wire; the opening 14 is provided to facilitate the cooperation between the second flange 12 and the third flange 41, and Save material and wire length. In this embodiment, the lower portion of the motor is provided with an energized portion (not shown) connected to the wire, and the energized portion protrudes outside the motor. When the motor and the first flange are engaged, the energized portion and the fixed plate are A through hole edge cooperates so that the limit motor continues upward.

In the present embodiment, the second flange 12 is larger than the first flange 11, the first flange 11 functions as a fixed motor 2, and the second flange 12 is mainly for mating with the rear shell 4. The first flange 11 is placed into the recess 33 in the first placement slot 31, wherein the motor 2 is partially placed in the first placement slot 31, and the third slot in the middle of the first placement slot 31 is provided for placing the motor output shaft 24. The hole 32, the motor 2 is disposed around the motor output shaft 24 with a limiting portion 23 that cooperates with the third through hole 32. The limiting portion 23 is disposed in the third through hole 32 and is sized corresponding to the third through hole 32. In the first placement groove 31, there are provided bumps (not shown) for restraining the motor 2 around the third through holes 32, and the bumps are four, evenly arranged.

In this embodiment, the root portions of the first flange 11 and the third flange 41 are provided with reinforcing ribs (not shown), and the reinforcing ribs are provided to increase the firmness.

In this embodiment, the fixing plate has a circular structure, and the fixing plate is provided with a second through hole 13 formed in a ring shape around the first protruding edge 11 and the second protruding edge 12, so that the setting can save not only the saving. Material, and beautiful appearance.

In this embodiment, an opening 14 is disposed around the first protruding edge 11. The motor 2 generates heat during operation, and the motor 2 is fixed in the first protruding edge 11, and an opening 14 is disposed around the first protruding edge 11. This is beneficial to the heat dissipation of the motor 2, and also saves material.

The above is a further detailed description of the present invention in conjunction with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention can be made without departing from the spirit and scope of the invention.

Claims

Rights request

1. A micro fan, including a casing and a motor placed in the casing, characterized in that it also includes a fixing bracket for fixing the motor.

2. The micro fan according to claim 1, wherein the housing includes a front shell and a rear shell, and the front shell and the rear shell are respectively provided with a first placement slot and a second placement slot, and the motor Placed between the first placement slot and the second placement slot; the fixing frame includes a fixing plate, and a first through hole is provided in the middle of the fixing plate for passing through the motor, along the first through hole A first ledge for placing the motor extends from the hole to one side of the fixing plate.

3. The micro fan according to claim 2, characterized in that a depression is provided on the edge of the first placement groove, and the first convex edge is placed in the depression.

4. The micro fan according to claim 2, wherein a protrusion for limiting the position of the motor is provided on the inner surface of the first protrusion.

5. The micro fan according to claim 2, wherein the motor includes two opposite rectangular side surfaces, and the first convex edge is provided with limiting plates for respectively limiting the rectangular side surfaces.

6. The micro fan according to claim 2, wherein a second convex edge is provided on the other side of the fixing plate, a part of the motor is placed in the second convex edge, and the second placement slot The edge is provided with a third convex edge that cooperates with the second convex edge.

7. The micro fan according to claim 6, wherein the outer surface of the second convex edge is provided with a first platform for placing the third convex edge, and the inner surface of the third convex edge is provided with There is a second platform for placing the second ledge.

8. The micro fan according to claim 6, wherein the fixing plate is provided with a fixing post, and the rear shell is further provided with a second groove connected to the second placement groove through a connecting piece, so The connecting piece is provided with an insertion hole for placing the fixing post.

9. The micro fan according to claim 6, wherein the second convex edge and the third convex edge are both provided with openings for placing wires.

10. The micro fan according to claim 6, wherein the first convex edge, the second convex edge and the third convex edge are all provided with reinforcing ribs at their roots.