WO2015003349A1

WO2015003349A1 - Miniature fan

Info

Publication number: WO2015003349A1
Application number: PCT/CN2013/079175
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: CN103334941A; CN103334941B

Abstract

A miniature fan comprising a housing (1) that is overall a cylindrical structure, a battery and a motor that are arranged within the housing (1), fan blades (2) that are arranged outside of the housing, and a fixing element that is used for fixing the fan blades. A weight-reducing structure is provided on the housing (1). Because the weight-reducing structure is provided on the housing of the miniature fan, the weight of the housing is reduced, as such, the weight of the entire miniature fan is reduced, thus not only facilitating use and portability for a user, but also conserving materials.

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 designed a miniature fan, including a housing with a cylindrical structure, a motor mounted in the housing, a rechargeable battery, a charging interface for charging and a power control switch, and a fan blade disposed outside the housing. In the fixing member of the fixed 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. 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, since the housing of the micro fan has a cylindrical structure as a whole, the housing is set to be heavy, so that the overall weight of the micro fan is increased, which is inconvenient to use and carry.

[Summary of the Invention]

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

The object of the present invention is achieved by the following technical solutions: A miniature fan comprising a housing having a cylindrical body as a whole, a battery and a motor mounted in the housing, and a blade disposed outside the housing and A fixing member for fixing the blade, wherein the casing is provided with a weight reducing structure.

Preferably, the weight reducing structure comprises a weight reducing hole disposed at both ends of the housing. The housing of the micro fan has a cylindrical structure, including two ends and a side wall, and the motor is disposed in the middle of the housing, and the motor output end is fixed The pieces are coupled so that the blades are located at one end of the casing; the weight reduction holes are provided at both ends of the casing to greatly reduce the weight of the casing, thereby reducing the weight of the microfan.

Preferably, the housing comprises a front shell and a rear shell fixed by screws, and the weight reducing holes of the front shell and the weight reducing holes of the rear shell are correspondingly disposed. The corresponding weight reducing holes are respectively arranged on the front shell and the rear shell, so that the structure of the front shell and the rear shell are kept consistent, and the firmness of the shell can be ensured when the front shell and the rear shell are fixed, and the whole shell is ensured. More beautiful and stylish.

Preferably, the weight reducing holes are spaced apart from each other, and a connecting member is formed between the weight reducing holes. By uniformly arranging the weight reducing holes, the formed connecting members are also uniformly distributed, so that the force between the connecting members can be made uniform, thereby increasing the firmness of the casing, so that the rigidity of the casing can be ensured. Lower the weight of the housing.

Preferably, the outer surface and the inner surface of the connecting member are provided with a recess. Setting the recess saves material and reduces the weight of the housing.

Preferably, the connecting member is connected to the first placing portion at one end and the second placing portion at the other end; the motor is placed in the first placing portion, and the battery is placed in the second placing portion. The housing is divided into three parts by providing a weight reducing hole: a connecting member and a first placing portion and a second placing portion connected by the connecting member, the first placing portion is located at a central portion of the housing, and the second placing portion is located outside the connecting member The device for placing the micro fan can be installed by the first placement portion and the second placement portion, and the space of the housing can be utilized reasonably.

Preferably, the weight reducing structure further comprises a slot disposed on a sidewall of the housing. Setting the slot saves material and reduces the weight of the housing.

Preferably, the housing comprises a front case and a rear case fixed by screws, and the slot of the front case and the slot of the rear case are correspondingly disposed. The corresponding front and rear shells are respectively provided with corresponding slots, so that the front shell and the rear shell are consistent in structure, and the securing of the shell is ensured when the front shell and the rear shell are fixed, and the whole shell is further improved. Beautiful and stylish.

Preferably, the slot comprises a uniform rectangular slot on both sides of the side wall of the housing, and the rectangular slot is provided with a chamfer on one side of the opening. This is a specific structure of the slot, the rectangular slot is located at the edge of the side wall of the housing, and the rectangular slots are connected by a connecting strap, thereby increasing the housing The firmness; the rectangular slot is provided with a chamfer on one side of the opening to smooth the edges of the casing, and also saves material and reduces weight.

Preferably, the slot includes a uniform trapezoidal slot, the trapezoidal slot includes a trapezoidal slot provided on the front shell and a trapezoidal slot on the rear shell, when the front and rear shells are fixed The trapezoidal slot on the front case cooperates with the trapezoidal slot on the rear case. This is a specific structure for grooving. When the front and rear shells are fixed, the trapezoidal slot on the front shell and the trapezoidal slot on the rear shell form a hexagonal groove, which not only saves material but also reduces weight. It is also beautiful.

The present invention provides a weight reducing structure on the housing of the micro-speaker, which reduces the weight of the housing, thereby reducing the weight of the entire micro-speaker, thereby not only facilitating the user's use and carrying, but also saving material.

[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 front surface of a front case according to an embodiment of the present invention;

3 is a schematic structural view of a reverse side of a front case according to an embodiment of the present invention.

Wherein: 1, the housing; 2, the fan blade; 3, the front shell; 31, the weight reduction hole; 32, the connecting member; 33, the recess; 34, the rectangular slot; 35, trapezoidal slot; 36, the first slot 37, the first groove.

【detailed description】

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

The invention discloses a micro fan comprising a housing having a cylindrical structure as a whole, a battery and a motor mounted in the housing, a blade disposed outside the housing and a fixing member for fixing the blade, such as As shown in FIG. 1 to FIG. 3, the housing 1 is provided with a weight reducing structure. The present invention is provided with a weight reducing structure on the housing 1 of the micro-speaker, so that the weight of the housing 1 is reduced, thereby reducing the weight of the entire micro-speaker, thereby not only facilitating the user's use and carrying, but also saving material.

FIG. 1 is a schematic view showing the overall structure of the micro fan, and the whole of the housing 1 of the micro fan The body has a cylindrical structure, and the blade 2 is fixed to one end of the casing 1 by a fixing member; since one end of the casing 1 of the micro fan is circular, the structure enclosed by the blade is also circular, thereby setting a fan When the size of the leaf 2 is larger than that of a rectangle or other shape, the fan blade can be enlarged, and the area of the micro fan blowing can be increased. The housing includes a front shell and a rear shell fixed by screws, and the rear shell is provided with a screw hole, and the corresponding front shell is provided with a screw hole column that cooperates with the screw hole. The blade 2 and the fixing member for fixing the blade are disposed at the front shell end. The micro fan further includes a rechargeable battery installed in the housing 1, a charging interface for charging, a motor, and a power control switch; wherein the power control switch and the charging interface are both fixed in the middle of the housing 1 by glue bonding Position, and the power control switch and charging interface are both set at the rear housing end.

As can be seen from Fig. 1, the middle portion of the front case and the middle portion of the rear case are provided with outwardly protruding projections, thereby increasing the space inside the casing 1, thereby facilitating the placement of the motor, the power control switch and the charging interface, and This setting is also convenient for the user to control and use.

In the present embodiment, as shown in FIG. 1, FIG. 2 and FIG. 3, the weight reducing structure includes a weight reducing hole 31 provided at both ends of the casing 1 and a slot provided on the side wall of the casing, thereby being lightened The weight of the housing 1. The specific structure is as follows.

The weight reducing structure comprises evenly spaced weight reducing holes 31 disposed at two ends of the casing 1; the casing of the micro fan has a cylindrical structure including two ends and a side wall, and the motor is disposed in the middle of the casing, and the motor output end is The fixing member is coupled and the blade 2 is located at one end of the housing 1. The weight reducing hole 31 is provided at both ends of the housing to greatly reduce the weight of the housing 1, thereby reducing the weight of the micro fan. The plurality of weight reducing holes 31 are provided on the casing 1 and are evenly distributed, so that the connecting members 32 are formed between the weight reducing holes 31, and the connecting members 32 are also uniformly distributed; 31 and the connecting member 32, the force between the respective connecting members 32 can be made uniform, thereby increasing the firmness of the casing 1, so that the weight of the casing 1 can be alleviated while ensuring the firmness of the casing 1. The casing 1 includes a front casing 3 and a rear casing fixed by screws (not shown in the drawings, since the front casing and the rear casing are correspondingly arranged, only a schematic structural view of the front casing is given), so that the front casing 3 and the rear casing are both A weight reducing hole 31 is provided, and the weight reducing hole 31 of the front case 3 and the weight reducing hole of the rear case are correspondingly disposed; the corresponding lightening hole 31 is respectively disposed on the front case 3 and the rear case, so that the front case 3 and Back shell knot The structure is consistent, and the rigidity of the casing 1 is ensured when the front casing 3 and the rear casing are fixed, and the overall appearance of the casing 1 is more beautiful and shaped.

One end of the connecting member 32 is connected to the first placing portion, and the other end is connected to the second placing portion; the motor is placed in the first placing portion, and the battery is placed in the second placing portion. The housing 1 is divided into three parts by providing a weight reducing hole 31: a connecting member 32 and a first placing portion and a second placing portion connected by a connecting member 32, the first placing portion being located in the middle of the housing 1, and the second placing portion being located The motor, the power control switch, and the charging interface are all fixed in the first placement portion, wherein the power control switch is fixed in the first placement portion by glue bonding, and the rechargeable battery is fixedly mounted on the second placement portion. In the inside; the device for placing the micro fan can be installed by the first placement portion and the second placement portion, and the space of the casing 1 can be utilized reasonably.

The outer surface and the inner surface of the connecting member 32 are respectively provided with a recess 33. The recess 33 can save material, reduce the weight of the housing 1, and make the appearance beautiful.

The first placement portion includes a first placement groove 36 disposed at the front case and a second placement groove disposed at the rear case; the second placement portion includes a first groove 37 disposed at the front case and disposed at a second recess at the rear case; the power control switch and the charging interface are disposed in the second placement slot, and the power control switch is glued in the second placement slot.

The first placement portion and the second placement portion are both annular structures.

The weight reducing structure further comprises a slot arranged at the side wall of the housing, the slot is arranged to save material and reduce the weight of the housing; the slot comprises a trapezoidal slot 35 and a sidewall of the housing Rectangular slots 34 on both sides; the housing 1 includes a front housing 3 and a rear housing fixed by screws, the slots of the front housing 3 and the slots of the rear housing are correspondingly disposed, and the rectangular slot 34 is The side of the opening is chamfered. This is a specific structure of the slotted portion. The rectangular slot 34 is located at the edge of the side wall of the housing, and the corresponding front slot 3 and the rear shell are respectively provided with corresponding slots, so that the front shell 3 and the rear shell are in the structure. The above is consistent, and the rigidity of the housing is ensured when the front case 3 and the rear case are fixed, and the whole of the case 1 is more beautiful and shaped. The rectangular slots 34 are evenly spaced and connected by a splicing strap so that the sides of the rectangular slot 34 are evenly stressed, and the robustness of the housing 1 is also increased. The rectangular slot 34 is provided on one side of its opening The chamfering can smooth the edges of the casing 1, and also saves material, reduces weight, and also makes the casing 1 more aesthetically pleasing.

The slot includes a uniform trapezoidal slot 35, the trapezoidal slot 35 is also connected to the strap, and the trapezoidal slot 35 is spaced apart from the rectangular slot 34. The trapezoidal slot 35 includes a front cover. The trapezoidal slot 35 on the 3 and the trapezoidal slot on the rear case cooperate with the trapezoidal slot 35 on the front case 3 when the front case 3 and the rear case are fixed. This is a specific structure for providing the trapezoidal slot 35. When the front case 3 and the rear case are fixed, the trapezoidal slot 35 on the front case 3 and the trapezoidal slot on the rear case cooperate to form a hexagonal groove, which not only saves Material, light weight, and beautiful.

The housing 1 of the micro-fan of the present invention is integrally arranged corresponding to the structure of the automobile wheel, and has a cartoon appearance and an aesthetic appearance.

The housing is provided with an aesthetically pleasing groove at the junction of the first placement portion and the connecting member 32. The esthetic groove is a circular groove, and the middle portion of the esthetic groove is provided with a convex column, and the column is a hexagonal prism. This structure corresponds to the screw and screw cap structure on the wheel of the car, which also saves material to some extent and reduces the weight of the casing. Moreover, the beautiful grooves are evenly spaced, so that the outer shape of the casing is more beautiful.

In the present embodiment, the provision of the groove also facilitates the placement of the micro fan, which prevents the housing from sliding. The slits described in this embodiment may also be provided as triangles, other polygonal structures, and the like.

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 with an overall cylindrical structure, a battery and a motor installed in the casing, fan blades arranged outside the casing and a fixing member for fixing the fan blades, It is characterized in that the housing is provided with a weight-reducing structure.

2. The micro fan according to claim 1, wherein the weight reduction structure includes weight reduction holes provided at both ends of the housing.

3. The micro fan according to claim 2, wherein the housing includes a front shell and a rear shell fixed by screws, and the weight reduction holes of the front shell and the weight reduction holes of the rear shell are arranged correspondingly.

4. The micro fan according to claim 3, wherein the weight reduction holes are arranged at regular intervals, and connecting pieces are formed between the weight reduction holes.

5. The micro fan according to claim 4, characterized in that both the outer surface and the inner surface of the connecting piece are provided with depressions.

6. The micro fan according to claim 4, wherein one end of the connector is connected to the first placement part, and the other end is connected to the second placement part; the motor is placed in the first placement part, and the battery placed in the second placement part.

7. The micro fan according to claim 1, wherein the weight reduction structure further includes a slot provided on the side wall of the housing.

8. The micro fan according to claim 7, wherein the housing includes a front shell and a back shell fixed by screws, and the slots of the front shell and the slots of the back shell are arranged correspondingly.

9. The micro fan according to claim 8, characterized in that, the slots include rectangular slots evenly distributed on both sides of the side wall of the housing, and the rectangular slots are provided on one side of the opening. chamfer.

10. The micro fan according to claim 8, wherein the slots include evenly distributed trapezoidal slots, and the trapezoidal slots include trapezoidal slots provided on the front shell and trapezoidal slots on the rear shell. Trapezoidal slots. When the front shell and the rear shell are fixed, the trapezoidal slots on the front shell cooperate with the trapezoidal slots on the rear shell.