JP3088679U - Rotating structure of electric fan - Google Patents

Abstract

(57) [Problem] To provide a fan turning structure in which a fixed frame turns left and right at a predetermined angle, thereby enabling the fan to turn. To provide a turning structure of a fan capable of changing a blowing direction. SOLUTION: A set of propellers is mounted on a fixed frame, the fixed frame is pivotally provided between a coupling seat and a limit seat, and a motor is mounted on the fixed frame and a crankshaft is provided. When the motor is rotating, the fixed frame pivots at a predetermined angle to the left and right because the one end of the crankshaft is pivoted to the coupling seat when the motor is rotating.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 This invention relates to the turning structure of a fan, particularly applied to a box-type or stand-type fan, and can adjust the direction of air blowing without changing the position of the fan, thereby improving the practicality. .

[0002]

[Prior art]

 When working or living in an environment that is too hot, humans are often left floating and unable to concentrate, and they can't concentrate on their work. is there. However, due to the effects of global warming, the temperature of the atmosphere has risen steadily, and in the summer of certain tropical regions and subtropics, the temperature often rises above 35 degrees Celsius. Using such a method, the environment temperature is lowered to create a comfortable living environment.

[0003] As is well known, there are various types of electric fans, and the box type and the seat type electric fans cannot be turned left and right, so that the blowing direction of the wind is restricted, which is extremely inconvenient in use. .

[0004]

[Problems to be solved by the invention]

 According to the invention, a propeller assembly is mounted on a fixed frame, the fixed frame is pivotally provided between a coupling seat and a limit seat, and a motor is mounted on the fixed frame, and a crankshaft is used. One end of the crankshaft is pivotally mounted on the coupling seat when the motor is rotating, and the electric fan can pivot by rotating the fixed frame to the right and left at a predetermined angle when the motor is rotating. The main object is to provide a turning structure of a fan having the above configuration.

In this invention, a plurality of recesses are arranged at the lower end of the limit seat in order to slide the limit pin on the bottom seat to be positioned. The effect of restricting the position can be obtained by using the gold and the slide groove at the lower end of the limit seat, so that the direction of the wind can be changed without moving the position of the fan. Its purpose is to provide a structure.

[0006]

[Means for Solving the Problems]

 Means for Solving the Problems To achieve the above object, the invention of claim 1 of the present application is directed to a rotating structure of an electric fan comprising a fixed frame, a coupling seat, a limit seat, a bottom seat, and a fixed seat. A propeller set is provided at the upper end of the frame, and a motor is provided on one side thereof. The motor pivotally connects the crankshaft downward, and the outer end of the crankshaft pivots on a coupling seat. In addition, a uniaxial hole is provided at the lower end of the fixed frame, the connecting seat is provided with a shaft rod projecting downward to penetrate the axial hole of the fixed frame, and A plurality of screw holes are provided, whereby the tightening element can be tightened and connected to the limit seat after passing through the screw hole and the shaft hole, and the upper end surface of the limit seat has a connection seat. One hole is provided at the place corresponding to the shaft rod, and also at the place corresponding to the screw hole of the coupling seat. The lower end of the limit seat has a plurality of dents that are properly arranged and recessed, and a slide groove is formed at an appropriate location. A pivot rod extends and protrudes also from the lower end surface of the limit seat, and a pivot hole is provided at an appropriate place of the bottom seat to penetrate the pivot rod of the limit seat. A receiving hole is provided around the pivot hole for accommodating the limit pin and the elastic element which can be positioned in the recess of the limit seat by urging the limit pin upward. At a suitable place on the periphery, there is a limiter protruding upward to move into and limit the slide groove of the limit seat, and the fixed seat has a pivot rod of the limit seat mounted on a pivot hole of the bottom seat. After passing through the fan, they can be assembled and fixed by the fixing seat, so that the fan can send the wind while turning easily, and Left does not move can adjust the blowing direction of wind, and the gist that it is an orbiting structure of fan, characterized in that can improve the practicality of use.

[0007] In the invention of claim 2 of the present application, an accommodating hole for accommodating a ball urged upward by the elastic element is provided in a peripheral edge of an upper end of the limit seat, and thereby, when turning, The gist of the present invention is a turning structure of a fan according to claim 1, wherein the turning structure is more easily and smooth.

[0008] The invention according to claim 3 of the present application is characterized in that an electric lamp set is separately provided in the bottom seat and can be used as a night lamp. And

[0009]

[Embodiment of the invention]

 First, referring to FIG. 1 to FIG. 3, the present invention comprises a fixing frame (1), a coupling seat (2), a limit seat (3), a bottom seat (4), and a fixing seat (5). , The swivel structure of the fan,

A propeller set (11) is provided at an upper end of the fixed frame (1), and a motor (12) is provided on one side thereof, and the motor (12) is moved downward by a crankshaft ( 13), the outer end of the crankshaft (13) is pivotally connected to the coupling seat (2), and the lower end of the fixed frame (1) is provided with a uniaxial hole (14). .

The connecting seat (2) is provided with a shaft rod (21) projecting downward so as to penetrate the shaft hole (14) of the fixed frame (1). Screw holes (22) are provided so that the tightening element (221) can pass through the screw holes (22) and the shaft hole (14) and then be tightened and connected to the limit seat (3). Can be.

A hole (31) is provided at a position corresponding to the shaft rod (21) of the coupling seat (2) on the upper end surface of the limit seat (3), and a screw hole (31) of the coupling seat (2) is provided. A screw hole (32) is also provided at a position corresponding to (22), and a ball (331) urged upward by an elastic element (332) is provided on the periphery of the upper end of the limit seat (3). An accommodating hole (33) for accommodating is provided, and a plurality of recesses (34) are properly arranged in the outer peripheral edge of the lower end face of the limit seat (3) so as to be arranged in a row. Here, a slide groove (35) is recessed, and a pivot rod (36) extends and protrudes from the lower end surface of the limit seat (3).

A suitable hole in the bottom seat (4) is provided with a pivot hole (41) for passing through a pivot rod (36) of the limit seat (3). Accommodated to accommodate the limit pin (421) and the elastic element (422) that can be located in the recess (34) of the limit seat (3) by urging the limit pin (421) upward. A hole (42) is provided, and projecting upward at an appropriate point on the periphery of the pivot hole (41) to move into the sliding groove (33) of the limit seat (3) and limit. The bottom seat (4) is provided with a separate electric lamp set (44), which can be used as a night lamp.

The fixed seat (5) is formed by assembling them with the fixed seat (5) after the pivot rod (36) of the limit seat (3) passes through the pivot hole (41) of the bottom seat (4). Can be fixed.

As shown in FIGS. 4 to 7, the assembling of the present invention is performed after the shaft rod (21) of the coupling seat (2) passes through the shaft hole (14) of the fixing frame (1). After passing through the hole (31) of the limit seat (3), the fastening element (221) separately separates the screw hole (22) of the coupling seat (2) and the screw hole (32) of the limit seat (3). And the outer end of the crankshaft (13) pivoted below the motor (12) of the fixed frame (1) is pivoted to the coupling seat (2). The rod (36) is passed through the pivot hole (41) of the bottom seat (4), and the lower end surface of the pivot rod (36) is connected to the fixing seat (5) and fixed.

The use of the present invention is as shown in FIG. 8, when the motor (12) in the fixed frame (1) is rotating, the outer end of the crankshaft (13) is connected to the coupling seat (2). The fixed frame (1) can be turned left and right at a predetermined angle by utilizing the reaction force, and the ball located in the accommodation hole (33) at the upper end of the limit seat (3). According to (331), the turning of the fixed frame (1) can be performed more smoothly, and the user can also turn the limit seat (3) to the bottom seat (4). ), A plurality of depressions (34) are arranged in a row at the lower end surface, so that the bottom seat (4) can be placed in different depressions (34) using the limit pins (421) in the receiving holes (42). It can be moved to obtain a localization effect, and the slide groove (53) of the limit seat (3) and the limit screw (43) of the bottom seat (4) By restricting the position using, the wind direction can be changed without moving the fan.

[0017]

[Effect of the invention]

 This invention has the following effects. A motor is provided on the fixed frame, and the motor is mounted on the joint seat with a crankshaft below the motor, so that the fixed frame can be turned to the right and left at a predetermined angle by using the reaction force of the rotation of the motor. , Convenience in use can be improved.

The fan of the present invention can adjust the wind blowing direction by slightly turning the limit seat directly, so that it is not necessary to move the position of the fan, so that the utility is extremely high.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of the present invention.

FIG. 2 is an exploded perspective view of a locally enlarged part of the present invention.

FIG. 3 is a perspective bottom view of the limit seat according to the present invention.

FIG. 4 is a side sectional view of the assembled state of the present invention.

FIG. 5 is a perspective view of the assembled state of the present invention.

FIG. 6 is a top view of the assembled state of the present invention.

FIG. 7 is a top sectional view of a partially enlarged view of the assembled state of the present invention.

FIG. 8 is an operation diagram of a use state of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixed frame 11 Propeller set 12 Motor 13 Crankshaft 14 Shaft hole 2 Connecting seat 21 Shaft rod 22 Screw hole 221 Tightening element 3 Limit seat 31 Hole 32 Screw hole 33 Housing hole 331 Ball 332 Screw element 34 Depression 35 Slide groove 36 pivot Rod 4 Bottom seat 41 Pivot hole 42 Receiving hole 421 Limiting pin 422 Elastic element 43 Limiting gold 5 Fixed seat 44 Electric light set

Claims (3)

[Utility model registration claims] 1. A turning structure of a fan comprising a fixed frame, a coupling seat, a limit seat, a bottom seat, and a fixed seat, wherein a propeller set is provided at an upper end of the fixed frame, and A motor is provided on one side, and the motor pivotally connects the crankshaft downward, and the outer end of the crankshaft is pivotally connected to the coupling seat, and a single shaft hole is formed at the lower end of the fixed frame. The coupling seat is provided with a shaft rod projecting downward to penetrate the shaft hole of the fixed frame, and the coupling seat is provided with a plurality of screw holes, whereby the fastening element is After passing through the screw hole and the shaft hole, it can be tightened and connected to the limit seat, and a hole is provided in an upper end surface of the limit seat at a position corresponding to the shaft rod of the connection seat, and A screw hole is also provided at a place corresponding to the screw hole of the seat. A plurality of depressions are properly arranged in the rim at the edge, and a slide groove is formed at an appropriate place, while a pivot rod also extends to the lower end surface of the limit seat. The bottom seat is provided with a pivot hole at an appropriate place to penetrate a pivot rod of the limit seat, and a limit pin and a limit pin are raised around the pivot hole. An accommodating hole is provided for accommodating the elastic element that can be biased and localized in the recess of the limit seat,
And, at a suitable place on the periphery of the pivot hole, there is a limit metal protruding upward to move into the slide groove of the limit seat and limit, and the fixed seat is a pivot rod of the limit seat. After passing through the pivot hole of the bottom seat, they can be assembled and fixed by the fixing seat, so that the fan can send the wind while turning conveniently and change the wind blowing direction without moving the position. A turning structure of an electric fan, which can be adjusted to improve practicality in use. 2. The upper end of the limit seat is provided with an accommodation hole for accommodating a ball urged upward by the elastic element, thereby making it easier and smoother to turn. The turning structure of the electric fan according to claim 1, wherein: 3. The turning structure of an electric fan according to claim 1, wherein an electric lamp set is separately provided in the bottom seat, and can be used as a night lamp.