CN105971916B

CN105971916B - Wall-mounted and desk-top dual-purpose fan

Info

Publication number: CN105971916B
Application number: CN201610552450.0A
Authority: CN
Inventors: 何向明; 林光濂
Original assignee: Jiangmen Keye Electric Appliances Manufacturing Co Ltd
Current assignee: Jiangmen Keye Electric Appliances Manufacturing Co Ltd
Priority date: 2016-07-12
Filing date: 2016-07-12
Publication date: 2020-06-19
Anticipated expiration: 2036-07-12
Also published as: CN105971916A; US20180017083A1

Abstract

A wall-mounted and desk-top dual-purpose fan comprises a fan body and a fixed support which are connected with each other; the fixed support comprises a base, a fixed foot, a hook and a fixed screw; the fixed foot is fixed on the base; the fixing feet can be directly placed on the installation surface; when the fan needs to be fixed on the installation surface, the hook penetrates through the base and is fixed on the base, and the fixing screw fixes the hook on the installation surface. The fan fixing and supporting structure is light and compact, the fan can be fixed on the wall surface by only one screw, and the fan fixing and supporting structure is simple and convenient to mount; furthermore, the fixing foot can adapt to the conditions of various installation surfaces, and provides good fixing and supporting effects; furthermore, the fan body has adjustable rotational freedom degree in two directions, and the adjustable angle is large, so that the air supply direction can be flexibly selected.

Description

Wall-mounted and desk-top dual-purpose fan

Technical Field

The invention relates to a fan, in particular to a wall-mounted and desk-top dual-purpose fan.

Background

The electric fan is a household appliance which utilizes a motor to drive fan blades to rotate so as to accelerate the circulation of air, is mainly used for cooling and relieving summer heat and circulating air, and is widely applied to places such as families, offices, shops, hospitals, hotels and the like. The wall-mounted fan is an electric fan mounted on a wall, has the advantages of space saving and wide blowing range, but cannot be moved randomly, and the use range is limited. The desk fan refers to an electric fan placed on a desk top for use, and has the advantages of convenience for a user to move and carry, but most desk fans can only be placed on the desk top for use, occupy indoor space and often affect daily activities of people.

The prior art shows a wall-mounted and desk-top dual-purpose fan, but the prior art generally has the following defects: firstly, the fan base has larger volume and weight and poor fixing effect; secondly, the fan base is usually installed on the wall surface by two or more screws, two screws are required to be respectively driven in during installation, and the two screws are ensured to be positioned on the same horizontal line and have more damages to the wall surface; thirdly, the fan rotating mechanism is complex, the rotating freedom and angle are limited, and the air supply direction can not be flexibly selected.

Disclosure of Invention

In order to solve the technical problems, the invention provides a wall-mounted and table-mounted dual-purpose fan which is light and compact in structure, easy to install, good in fixing effect and large in rotation freedom and angle.

The technical scheme adopted by the invention is as follows:

a wall-mounted and desk-top dual-purpose fan comprises a fan body and a fixed support which are connected with each other; the fixed support comprises a base, a fixed foot, a hook and a fixed screw; the fixed foot is fixed on the base; the fixing feet can be directly placed on the installation surface; when the fan needs to be fixed on the installation surface, the hook penetrates through the base and is fixed on the base, and the fixing screw fixes the hook on the installation surface.

Further, the fixing foot is in a long strip shape, and when the fixing foot is fixed on the installation surface, the end part of the fixing foot is in contact with the installation surface to form at least two supporting points.

Furthermore, the base is of a symmetrical structure, and the supporting points are bilaterally symmetrical or are positioned on the central axis of the base by taking the central axis as a reference.

Furthermore, the fixed feet are two U-shaped feet fixed in parallel, two ends of each U-shaped foot are in contact with the mounting surface, and four supporting points are formed by the two ends of each U-shaped foot.

Further, the hook comprises a connecting part and two side parts, and the side parts are respectively fixed on two sides of the connecting part; the fixing device also comprises a fixing bolt and a fixing nut; the fixing bolts respectively penetrate through the two side parts and are screwed by the fixing nuts, so that the hook is fixedly connected with the base; the fixing screw penetrates through one side part to fix the hook on the mounting surface.

Further, the device also comprises a rotation adjusting bracket; the fan body is connected with the fixed bracket through the rotation adjusting bracket; the rotation adjusting bracket comprises two rotating shafts and a rotating underframe; two sides of the fan body are fixedly connected with the rotating shaft respectively; the rotating shafts are respectively connected with two ends of the rotating underframe in a rotatable and adjustable manner; the rotating chassis is rotatably and adjustably connected with the base.

Further, the rotating shafts are located on the same axis, and the common axis of the rotating shafts passes through the center of the fan body.

Further, the rotating chassis is rotatably and adjustably connected with the base, and the rotating chassis can rotate around a central shaft of the rotating chassis; the central shaft of the rotating underframe passes through the center of the fan body and is vertical to the common axis of the rotating shaft.

Further, the rotating underframe is a U-shaped frame.

Furthermore, the fan body comprises a first mesh enclosure, a second mesh enclosure, blades, a blade fixing frame, a motor fixing frame, a switch and an electric wire connecting end; the blades are respectively fixed on the blade fixing frames, and the motor is connected with the blade fixing frames and drives the blade fixing frames to rotate; the switch and the wire connecting end are respectively electrically connected with the motor; the motor, the switch and the electric wire connecting end are respectively fixed on the motor fixing frame, the motor fixing frame is fixed at the center of the second mesh enclosure, and the first mesh enclosure covers the second mesh enclosure and is fixedly connected with the second mesh enclosure.

The wall-mounted and desk-top dual-purpose fan has the following advantages:

1. the structure for fixing and supporting is light and compact, the fan can be fixed on the wall surface by only one screw, and the installation is simple and convenient;

2. the fixing feet can adapt to the conditions of various mounting surfaces and provide good fixing and supporting effects;

3. the fan body has adjustable rotational freedom degree in two directions, and the adjustable angle is large, can select the air supply direction in a flexible way.

For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a fan of the present invention;

FIG. 2 is a side view of the fan of the present invention;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is a perspective view of the base of the present invention;

FIG. 5 is a perspective view of the rotating chassis and stationary bracket of the present invention;

fig. 6 is a schematic view of a hanger of the present invention, with 6(a) being a front view of the hanger and 6(b) being a cross-sectional view of the hanger.

Detailed Description

Please refer to fig. 1 and 2, which are a perspective view and a side view of the fan of the present invention. The invention relates to a wall-mounted and table-mounted dual-purpose fan, which comprises a fan body 1, a rotation adjusting support 2 and a fixing support 3, wherein the fan body 1 is connected with the fixing support 3 through the rotation adjusting support 2, and the fixing support 3 can be arranged on an installation surface, such as a table top or a wall surface. In the invention, the table top refers to a horizontal or approximately horizontal surface such as a ground surface or a table top, and the wall surface refers to a vertical or inclined surface such as a wall or a stone wall.

The fan body 1 comprises a first mesh enclosure 11, a second mesh enclosure 12, blades 13, a blade fixing frame 14, a motor 15, a motor fixing frame 16, a switch 17, an electric wire connecting end 18 and a capacitor. The blade fixing frame 14 is in a pentagram shape, and five blades 13 are respectively fixed on the blade fixing frame 14. The rotating shaft 21 of the motor 15 is connected with the center of the blade holder 14 and drives the blade holder 14 to rotate. The motor fixing frame 16 is an approximately circular sheet-shaped bracket, and one end of the motor 15 is fixed on the motor fixing frame 16. A switch 17 and a wire connecting end 18 are also respectively fixed on the motor fixing frame 16. The switch 17 is electrically connected to the motor 15, and can adjust the rotation speed of the motor 15 and thus the rotation speed of the blade 13. A capacitor (not shown) is electrically connected to the motor 15. The wire connection terminal 18 is electrically connected to the motor 15, and a wire (not shown) is connected to the wire connection terminal 18 and is connectable to an external power source to connect the motor 15 to the power source. The motor mount 16 provides electrical connections for the fan that are simple to assemble and compact. The motor fixing frame 16 is fixed at the center of the second mesh enclosure 12, and the first mesh enclosure 11 covers the second mesh enclosure 12 and is fixedly connected with the second mesh enclosure.

The rotation-adjusting carriage 2 comprises two rotation shafts 21 and a rotating chassis 22. Please refer to fig. 3, which is an enlarged view of a point a in fig. 1. The two rotation axes 21 are short axes and are located on the same axis, and the common axis passes through the center of the sector 1. The rotating chassis 22 is a U-shaped frame, which is formed by bending a long metal sheet, and two ends of the rotating chassis are provided with circular through holes 221. One end of the rotating shaft 21 is fixedly connected to the first mesh enclosure 11 and/or the second mesh enclosure 12 of the fan body 1, and the other end thereof penetrates through the circular through hole 221 at the end of the rotating chassis 22, and the end 211 at the other end of the rotating shaft 21 protrudes out of the rotating chassis 22. When not fixed, the rotating shaft 21 can rotate relative to the rotating chassis 22, and the free rotation angle can reach 360 degrees. When the fan body 1 needs to be adjusted relative to the rotating base frame 22, the nut is loosened, the fan body 1 is adjusted to a required angle, and then the nut is tightened. Another connection method can be used between the rotating chassis 22 and the base 32, for example, a clamping mechanism is provided between the rotating shaft 21 and the rotating chassis 22, the clamping mechanism is provided with a concave portion and a convex tooth which can be clamped with each other, when a user overcomes the friction force between the concave portion and the convex tooth to rotate the rotating shaft 21 relative to the rotating chassis 22 by a certain angle, the rotating shaft 21 can be fixed at each clamping position to a certain extent, and no looseness occurs.

The fixing bracket 3 comprises a base 32, an anti-slip sheet 31, a hook 33, a fixing foot 34, a fixing bolt 35, a fixing nut and a fixing screw 36. Please refer to fig. 4, which is a perspective view of the base of the present invention. The base 32 is rectangular, and may have other shapes such as circular, oval, square, trapezoidal, and the like in other embodiments. Please refer to fig. 5, which is a perspective view of the rotating base frame and the fixing bracket of the present invention. The bottom of the rotating chassis 22 is connected to the base 32, and in particular, the rotating chassis 22 is rotatably and adjustably connected to the base 32 about its central axis, which central axis of the rotating chassis 22 passes through the center of the fan body 1 and is perpendicular to the common axis of the rotating shaft 21. The rotating chassis 22 and the base 32 can be connected by a screw, such as a screw, passing through the rotating chassis 22 and the base 32 at the same time, and a nut can be screwed, when the angle of the rotating chassis 22 relative to the base 32 needs to be adjusted, the nut is unscrewed, the rotating chassis 22 is adjusted to the required angle, and then the nut is screwed. The freely adjustable angle can reach 360 degrees. The anti-slip sheet 31 is clamped between the rotating chassis 22 and the base 32 to prevent sliding, and also prevent paint falling or damage caused by friction between the rotating chassis 22 and the base 32, thereby improving wear resistance. Another connection method can be adopted between the rotating chassis 22 and the base 32, that is, a clamping mechanism is arranged between the rotating chassis 22 and the base 32, and the clamping mechanism is provided with a concave part and a convex tooth which can be clamped with each other, so that when a user overcomes the friction force between the concave part and the convex tooth and rotates the rotating chassis 22 relative to the base 32 by a certain angle, the rotating chassis 22 can be fixed on each clamping position to a certain extent and can not be loosened.

Please refer to fig. 6, which is a schematic diagram of the hook of the present invention, wherein 6(a) is a front view of the hook 33, and 6(b) is a cross-sectional view of the hook 33. The hook 33 is substantially U-shaped and is formed by bending a long piece of metal. The hook 33 includes a connection portion 331 and two side portions 332, and the side portions 332 are fixed to both sides of the connection portion 331, respectively. The connection between the side portion 332 and the connecting portion 331 may be a right angle connection or a certain arc. The base 32 has a square through hole 321, and when the hook 33 passes through the square through hole 321 in the base 32, the connecting portion 331 is attached to and hooked on the base 32. Two bolt fixing holes 333 are respectively formed in the two side portions 332, and the fixing bolts 35 horizontally pass through the two bolt fixing holes 333 and are screwed by fixing nuts (not shown), so that the two side portions 332 and the base 32 are fixed to each other, and the hook 33 and the base 32 are fixedly connected. One of the two side portions 332 is longer, the other side portion 332 is shorter, a screw fixing hole 334 is formed in the longer side portion 332, the screw fixing hole 334 is located above the screw fixing hole 333, the shape of the screw fixing hole 334 is approximate to an 8 shape, the caliber of the upper portion of the screw fixing hole is smaller than that of the head portion of the fixing screw 36, the screw fixing hole is used for being screwed in the fixing screw 36 to fix the hook 33 on the wall surface, the caliber of the lower portion of the screw fixing hole is larger than that of the head portion of the fixing screw 36, when the fan needs to be dismounted from the wall, the hook 33 is integrally pushed upwards, the head portion of the fixing screw 36 penetrates through the lower portion of the screw fixing hole.

The fixing legs 34 are two U-shaped legs having the same shape and size, which are disposed in parallel with each other on the upper and lower edges of the base 32 and fixed by screws. Wherein, the U type foot includes straight connecting portion 341 and fixes the flexion 342 at its both ends, and this straight connecting portion 341 and base 32 are fixed, and the tip of this flexion 342 contacts with installation face such as wall or mesa, forms two strong points, and these two strong points use the axis of base 32 as the benchmark bilateral symmetry, and the conformal four bilateral symmetry's of formation of two U type feet strong points. Particularly, when the fan is used for fixing on a wall, the U-shaped leg supports the base 32 and stably supports the fan on the wall surface after the hook 33 is fixed to the wall surface by the fixing screw 36. The end surface of the bent portion 342 may be a curved surface, in which case the end portion is in point contact with the mounting surface, or the end surface of the bent portion 342 may be a flat surface, in which case the end portion is in surface contact with the mounting surface, and in this embodiment, the end surface of the bent portion 342 is preferably a flat surface. Meanwhile, the end part of the U-shaped foot, which is contacted with the wall surface or the table top, can be provided with an anti-slip sheet 31 or a concave-convex and rough structure to increase the friction force, or a certain bonding structure is added, and the U-shaped foot is bonded with the mounting surface when needed, so that the U-shaped foot has a better fixing effect. The fixing feet are not limited to the shape of a U, but can be M-shaped, V-shaped, E-shaped, half structures of the shapes, or other shapes with radian, and only the shape can provide the end part which is contacted with the wall surface or the table surface to form the supporting point. When the hook is fixed on an uneven surface or a curved surface, the shape of the fixing foot can be correspondingly changed, if the straight connecting part is changed into a bent connecting part, the angle of the end surface of the bent part is inclined so as to adapt to the uneven surface or the curved surface, and meanwhile, the shape and the length of the hook are correspondingly changed. The number of the fixing feet is not limited to two, and can be one, three or more. The two securing feet may also be non-uniform in shape and size. The number and position of the end portions forming the supporting points can be changed correspondingly, in the above embodiment, the four supporting points are located at four vertexes of the rectangle, the supporting points can also be four vertexes of an isosceles trapezoid, or three vertexes of an isosceles triangle, and at this time, in addition to the two supporting points which are symmetrical left and right, there is also one supporting point located on the central axis of the base.

The wall-mounted and desk-top dual-purpose fan has a light and compact structure for fixing and supporting, and can be fixed on a wall surface by only one screw, so that the fan is simple and convenient to mount; furthermore, the fixing foot can adapt to the conditions of various installation surfaces, and provides good fixing and supporting effects; furthermore, the fan body has adjustable rotational freedom degree in two directions, and the adjustable angle is large, so that the air supply direction can be flexibly selected.

The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a hanging and desk-top dual-purpose fan which characterized in that: comprises a fan body and a fixed bracket which are connected with each other; the fixed support comprises a base, a fixed foot, a hook and a fixed screw; the fixed foot is fixed on the base, the base is of a symmetrical structure, and at least two support end parts which are bilaterally symmetrical by taking the central axis of the base as a reference are arranged on the fixed foot; the fixing foot can be directly placed on the installation surface, and the supporting end part is in contact with the installation surface to form at least two supporting points; when the fan needs to be fixed on the installation surface, the hook penetrates through the base and is fixed on the base and located between the two supporting end portions, and the fixing screw fixes the hook on the installation surface.

2. A wall-mounted and desk-top dual-purpose fan as defined in claim 1, wherein: the fixed foot is in a strip shape, and the supporting end parts are positioned at two ends of the fixed foot.

3. A wall-mounted and desk-top dual-purpose fan as defined in claim 2, wherein: the fixed feet are two U-shaped feet which are fixed in parallel, two ends of each U-shaped foot are in contact with the mounting surface, and four supporting points are formed by the two U-shaped feet in a conformal mode.

4. A wall-mounted and desk-top dual-purpose fan as defined in claim 1, wherein: the hook comprises a connecting part and two side parts, and the side parts are respectively fixed on two sides of the connecting part; the fixing device also comprises a fixing bolt and a fixing nut; the fixing bolts respectively penetrate through the two side parts and are screwed by the fixing nuts, so that the hook is fixedly connected with the base; the fixing screw penetrates through one side part to fix the hook on the mounting surface.

5. A wall-mounted and desk-top dual-purpose fan as claimed in any one of claims 1 to 4, wherein: the device also comprises a rotary adjusting bracket; the fan body is connected with the fixed bracket through the rotation adjusting bracket; the rotation adjusting bracket comprises two rotating shafts and a rotating underframe; two sides of the fan body are fixedly connected with the rotating shaft respectively; the rotating shafts are respectively connected with two ends of the rotating underframe in a rotatable and adjustable manner; the rotating chassis is rotatably and adjustably connected with the base.

6. The dual-purpose wall-mounted and desk fan of claim 5, wherein: the rotating shafts are positioned on the same axis, and the common axis of the rotating shafts passes through the center of the fan body.

7. The dual-purpose wall-mounted and desk fan of claim 6, wherein: the rotating underframe is rotatably and adjustably connected with the base and can rotate around a central shaft of the rotating underframe; the central shaft of the rotating underframe passes through the center of the fan body and is vertical to the common axis of the rotating shaft.

8. The dual-purpose wall-mounted and desk fan of claim 5, wherein: the rotating underframe is a U-shaped frame.

9. A wall-mounted and desk-top dual-purpose fan as claimed in any one of claims 1 to 4, wherein: the fan body comprises a first mesh enclosure, a second mesh enclosure, blades, a blade fixing frame, a motor fixing frame, a switch and an electric wire connecting end; the blades are respectively fixed on the blade fixing frames, and the motor is connected with the blade fixing frames and drives the blade fixing frames to rotate; the switch and the wire connecting end are respectively electrically connected with the motor; the motor, the switch and the electric wire connecting end are respectively fixed on the motor fixing frame, the motor fixing frame is fixed at the center of the second mesh enclosure, and the first mesh enclosure covers the second mesh enclosure and is fixedly connected with the second mesh enclosure.