A wall-mounted and table-type dual-purpose fan includes a fan body and a fixing support connected with the fan body and comprising a base, fixing legs fixed to the base and directly placed on an installation surface, a hook and a fixing screw; when the fan needs to be fixed to the installation surface, the hook penetrates through the base and is fixed to the base and the installation surface through the fixing screw. The structure used for fixing and supporting is light and compact, and the fan can be fixed to wall surfaces through only one screw and is easy and convenient to install; furthermore, the fixing legs can adapt to various installation surface conditions and provide good fixing and supporting effects; furthermore, the fan body has an adjustable degree of rotating freedom in two directions, and large adjustable angles and flexible air supply direction selection are achieved.

CROSS-REFERENCE TO RELATED APPLICATION

This application claims priority to CN 201610552450.0, having a filing date of Jul. 12, 2016, the entire contents of which are hereby incorporated by reference.

FIELD OF TECHNOLOGY

The following relates to a fan, in particular to a wall-mounted and table-type dual-purpose fan.

BACKGROUND

An electric fan is a domestic appliance according to which air circulation is accelerated by driving fan blades to rotate by a motor, and electric fans are mainly used for summer heat relieving and air circulation, and widely applied to places such as families, offices, stores, hospitals, hotels, etc. A wall-mounted fan refers to an electric fan installed on a wall and has the advantages of being capable of saving space and is wide in air blowing range, however, a wall-mounted fan cannot be moved freely, and consequentially the application range of the wall-mounted fan is limited. A table-type fan refers to an electric fan placed on a table surface for use and has the advantage of being convenient to move and carry by a user, however, most table-type fans can only be placed on table surfaces for use, indoor space is occupied, and daily activities of people are often affected.

A wall-mounted and table-type dual-purpose fan in the known art generally has the disadvantages that firstly, the fan base is large in size and weight and poor in fixing effect; secondly, the fan base is installed on a wall surface usually through two or more screws, in the installation process, the two screws need to be drilled into the wall surface independently, the effect that the two screws are located on the same horizontal line needs to be guaranteed, and the wall surface is severely damaged; thirdly, a fan rotating mechanism is complex, the degree of rotating freedom and the rotating angle are limited, and the air supply direction cannot be selected flexibly.

SUMMARY

An aspect relates to a wall-mounted and table-type dual-purpose fan which is light and compact in structure, easy to install, good in fixing effect and large in degree of rotating freedom and rotating angle.

This aspect is achieved by the following technical solution. The wall-mounted and table-type dual-purpose fan includes a fan body and a fixing support connected with the fan body; the fixing support includes a base, fixing legs, a hook and a fixing screw; the fixing legs are fixed to the base; the fixing legs can be directly placed on an installation surface; when the fan needs to be fixed to the installation surface, the hook penetrates through the base and is fixed to the base, and the hook is fixed to the installation surface through the fixing screw.

Further, the fixing legs are each in a long strip shape, and when the fan is fixed to the installation surface, the ends of the fixing legs make contact with the installation surface to form at least two supporting points.

Further, the base is of a symmetrical structure, and the supporting points are bilaterally symmetrical with the central axis of the base as the datum or are located on the central axis.

Further, the fixing legs are two U-shaped legs which are fixed in parallel, and the two ends of each U-shaped leg both make contact with the installation surface, so that four supporting points are formed.

Further, the hook includes a connection part and two side parts, and the two side parts are fixed to the two sides of the connection part correspondingly; the hook further includes a fixing bolt and a fixing nut; the fixing bolt penetrates through the two side parts correspondingly and is screwed through the fixing nut, so that the hook and the base are fixedly connected; the fixing screw penetrates through one side part to fix the hook to the installation surface.

Further, the wall-mounted and table-type dual-purpose fan further includes a rotary adjustment support; the fan body is connected with the fixing support through the rotary adjustment support; the rotary adjustment support includes two rotary shafts and a rotary underframe; the two sides of the fan body are fixedly connected with the rotary shafts correspondingly; the rotary shafts are connected with the two ends of the rotary underframe in a rotatably adjustable mode; the rotary underframe is connected with the base in a rotatably adjustable mode.

Further, the rotary shafts are located on the same axis, and the shared axis of the rotary shafts penetrates through the center of the fan body.

Further, the rotary underframe is connected with the base in a rotatably adjustable mode, and the rotary underframe can rotate around its central axis; the central axis of the rotary underframe penetrates through the center of the fan body and is perpendicular to the shared axis of the rotary shafts.

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

Further, the fan body includes a first net cover, a second net cover, blades, a blade fixing frame, a motor, a motor fixing frame, a switch and an electric wire connecting end; the blades are all fixed to the blade fixing frame, and the motor is connected with the blade fixing frame and drives the blade fixing frame to rotate; the switch and the electric wire connecting end are both electrically connected with the motor; the motor, the switch and the electric wire connecting end are all fixed to the motor fixing frame, the motor fixing frame is fixed to the center of the second net cover, and the first net cover covers the second net cover and is fixedly connected with the second net cover.

The wall-mounted and table-type dual-purpose fan of the embodiments of the present invention has the following advantages that:1. The structure used for fixing and supporting is light and compact, the fan can be fixed to the wall surface through only one screw, and installation is easy and convenient;2. The fixing legs can adapt to various installation surface conditions, and good fixing and supporting effects are provided;3. The fan body has the adjustable degree of rotating freedom in two directions, the adjustable angle is large, and the air supply direction can be selected flexibly.

DETAILED DESCRIPTION OF THE EMBODIMENTS

Please refer toFIG. 1andFIG. 2for the solid diagram and the side view of the fan of embodiments of the present invention. The wall-mounted and table-type dual-purpose fan includes a fan body1, a rotary adjustment support2and a fixing support3, wherein the fan body1is connected with the fixing support3through the rotary adjustment support2, and the fixing support3can be arranged on an installation surface such as a table surface or a wall surface. In embodiments of the present invention, the table surface refers to a horizontal or approximately-horizontal surface such as the ground or a tabletop, the wall surface refers to the vertical or oblique surface of a wall or a stone wall and the like, and the wall-mounted and table-type dual-purpose fan of embodiments of the present invention can also be placed on a lumpy surface or a curved surface for use.

The fan body1includes a first net cover11, a second net cover12, blades13, a blade fixing frame14, a motor15, a motor fixing frame16, a switch17, an electric wire connecting end18and a capacitor. The blade fixing frame14is in a five-pointed star shape, and the five blades13are all fixed to the blade fixing frame14. A rotary shaft21of the motor15is connected with the center of the blade fixing frame14and drives the blade fixing frame14to rotate. The motor fixing frame16is a sheet support which is approximately round, one end of the motor15is fixed to the motor fixing frame16, and the switch17and the electric wire connecting end18are also fixed to the motor fixing frame16. The switch17is electrically connected with the motor15and can adjust the rotating speed of the motor15and accordingly adjust the rotating speed of the blades13. The capacitor (not shown in FIGS) is electrically connected with the motor15. The electric wire connecting end18is electrically connected with the motor15, the electric wire connecting end18is also connected with an electric wire (not shown in FIGs), the electric wire can be connected with an external power source, and accordingly the motor15is connected with the power source. Through the motor fixing frame16, the fan is easy to assemble and compact in structure and electrical connection is achieved. The motor fixing frame16is fixed to the center of the second net cover12, and the first net cover11covers the second net cover12and is fixedly connected with the second net cover12.

The adjustable adjustment support2includes two rotary shafts21and a rotary underframe22. Please refer toFIG. 3which is the enlarged view of the A portion inFIG. 1. The two rotary shafts21are short shafts and are located on the same axis, and the shared axis penetrates through the center of the fan body1. The rotary underframe22is a U-shaped frame and is specifically formed by bending a long metal piece, and round through holes221are formed in the two ends of the rotary underframe22. One end of the rotary shafts21is fixedly connected with the first net cover11and/or the second net cover12of the fan body1, the other end of the rotary shafts21stretches into the round through holes221in the ends of the rotary underframe22, and the end portions211of the other ends of the rotary shafts21protrude out of the rotary underframe22. The rotary shafts21can rotate relative to the rotary underframe22when not fixed, and the free rotating angle of the rotary shafts21can reach 360 degrees. When needing to be fixed, the rotary shafts21and the rotary underframe22can be fixed through threads, for example, the end portions211, protruding out of the rotary underframe22, of the rotary shafts21are provided with external threads, and the rotary shafts21are fixed to the rotary underframe22in a screwed mode through nuts; when the angle of the fan body1relative to the rotary underframe22needs to be adjusted, the nuts are unscrewed, the fan body1is adjusted to the required angle, and then the nuts are screwed. The rotary underframe22and a base32can also be connected in another way, for example, a clamping mechanism is arranged between each rotary shaft21and the rotary underframe22, concave parts and convex teeth which can be clamped with the concave parts are arranged on the clamping mechanism, and when a user rotates the rotary shafts21relative to the rotary underframe22by certain angles by overcoming the friction force between the concave parts and the convex teeth, the rotary shafts21can be fixed to each clamping position to a certain extent without becoming loose.

The fixing support3includes the base32, an anti-sliding piece31, a hook33, fixing legs34, a fixing bolt35, a fixing nut and a fixing screw36. Please refer toFIG. 4which is the solid diagram of the base of embodiments of the present invention. The base32is rectangular and can also be round, oval, square or trapezoidal or in other shapes in other embodiments. Please refer toFIG. 5which is the solid diagram of the rotary underframe and the fixing support of embodiments of the invention. The bottom of the rotary underframe22is connected with the base32, specifically, the rotary underframe22can be connected with the base32in the rotatably adjustable mode around the central axis of the rotary underframe22, and the central axis of the rotary underframe22penetrates through the center of the fan body1and is perpendicular to the shared axis of the rotary shafts21. The rotary underframe22and the base32can be connected through the threads, for example, the screws are made to penetrate through the rotary underframe22and the base32at the same time and are screwed through the nuts. When the angle of the rotary underframe22relative to the base32needs to be adjusted, the nuts are unscrewed, the rotary underframe22is adjusted to the required angle, and then the nuts are screwed. The free adjustment angle can reach 360 degrees. The anti-sliding piece31is clamped between the rotary underframe22and the base32and used for preventing sliding and paint falling or damage caused by friction between the rotary underframe22and the base32, so that the abrasion resistance is improved. The rotary underframe22and the base32can also be connected in another way, that is, a clamping mechanism is arranged between the rotary underframe22and the base32, and concave parts and convex teeth clamped with the concave parts are arranged on the clamping mechanism. When the user rotates the rotary underframe22relative to the base32by a certain angle by overcoming the friction force between the concave parts and the convex teeth, the rotary underframe22can be fixed to each clamping position to a certain extent without becoming loose.

Please refer toFIGS. 6(a) and 6(b)which are the schematic diagram of the hook of embodiments of the invention, whereinFIG. 6 (a)is the front view of the hook, andFIG. 6 (b)is the section view of the hook. The hook33is approximately in a U shape and is specifically formed by bending a long metal piece. The hook33includes a connection part331and two side parts332, and the two side parts332are fixed to the two sides of the connection part331correspondingly. The side parts332and the connection part331can be connected in a right-angled mode or in an arc-shaped mode. A square through hole321is formed in the base32, and when the hook33penetrates through the square through hole321in the base32, the connection part331is attached to the base32and hooks to the base32. Two horizontal corresponding bolt fixing holes333are formed in the two side parts332correspondingly, and the fixing bolt35horizontally penetrates through the two bolt fixing holes333and is screwed through the fixing nut (not shown in FIGs), so that the two side parts332are fixed to the base32, and the hook33is fixedly connected with the base32. One of the two side parts332is long, and the other side part332is short; a screw fixing hole334is formed in the long side part332, and the screw fixing hole334is located above the bolt fixing holes333and is approximately shaped like the Arabic number “8”; the diameter of the upper portion of the screw fixing hole334is smaller than that of the head of the fixing screw36, and the screw fixing hole334is used for allowing the fixing screw36to be screwed therein, so that the hook33is fixed to the wall surface; the diameter of the lower portion of the screw fixing hole334is larger than that of the head of the fixing screw36, and when the fan needs to be dismounted from the wall, the hook33is integrally pushed upwards, and the head of the fixing screw36penetrates through the lower portion of the screw fixing hole334, so that the hook33is disengaged from the fixing screw36, and the fan can be dismounted from the wall accordingly.

The fixing legs34are two U-shaped legs which are consistent in shape and size, and the two fixing legs34are arranged on the upper edge and the lower edge of the base32in parallel and fixed through screws. Each U-shaped leg includes a straight connection part341and curved parts342fixed to the two ends of the straight connection part341, wherein the straight connection part341is fixed to the base32, the ends of the curved parts342make contact with the installation surface such as the wall surface or the table surface to form two supporting points, and the two supporting points are bilaterally symmetrical with the central axis of the base32as the datum; four bilaterally-symmetrical supporting points are formed by the two U-shaped legs. Especially when the fan is fixed to the wall for use, after the hook33is fixed to the wall surface through the fixing screw36, the base32is supported by the U-shaped legs, and the fan is stably supported on the wall surface. The end faces of the curved parts342can be curved surfaces, and the ends of the curved parts342are in point contact with the installation surface at the moment; the end faces of the curved parts342can also be planes, and the ends of the curved parts342are in surface contact with the installation surface at the moment; preferably, the end faces of the curved parts342are planes in the embodiment. Meanwhile, the anti-sliding piece31or a concave-convex coarse structure can be arranged on the ends, making contact with the wall surface or the table surface, of the U-shaped legs, so that the friction force is increased; or a certain bonding structure is additionally arranged, and the bonding structure and the installation surface are bonded when needed, so that a better fixing effect is achieved. The fixing legs are not limited to be in the U shape and can also be in an M shape or a V shape or an E shape and the like, or be of the structure of half of the M shape or the V shape or the E shape and the like, or the structure which has a radian and is changed from the M shape or the V shape or the E shape and the like, and the fixing legs can be in any shape provided with the ends which can make contact with the wall surface or the table surface to form the supporting points. When the fan of embodiments of the present invention is fixed to a lumpy surface or a curved surface for use, the shape of the fixing legs can be changed accordingly, for example, the straight connection parts are changed into curved connection parts, and the inclination angles of the ends of the curved parts are changed, so that the fixing legs adapt to the lumpy surface or the curved surface; meanwhile, the shape and length of the hook can also be changed accordingly. The number of the fixing legs is not limited to two and can be one or three or more. The shapes and sizes of the two fixing legs can also be inconsistent. The number and positions of the ends forming the supporting points can also be changed accordingly; in the above embodiment, the four supporting points are located on the four vertexes of a rectangle, the supporting points can also be the four vertexes of an isosceles trapezoid or the three vertexes of an isosceles triangle, and at the moment, a supporting point located on the central axis of the base also exists besides two bilaterally-symmetrical supporting points.

According to the wall-mounted and table-type dual-purpose fan of embodiments of the present invention, the structure used for fixing and supporting is light and compact, the fan can be fixed to the wall surface through only one screw, and installation is easy and convenient; furthermore, the fixing legs of embodiments of the present invention can adapt to various installation surface conditions, and good fixing and supporting effects are provided; furthermore, the fan body has the adjustable degree of rotating freedom in two directions, the adjustable angle is large, and the air supply direction can be selected freely.