JP2001027197A - Fan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the appearance of a fan having an oscillating angle adjustment mechanism, and to save the space for storage. SOLUTION: This fan comprises an oscillation mechanism 5 to continuously change the axial direction of a blade rotated by the drive of a motor 6, and an oscillation adjustment part 4 having an angle adjustment mechanism to change the oscillating angle of the blade 7 by this oscillation mechanism part 5. The motor 6, the oscillation mechanism part 5 and the oscillation adjustment part 4 are arranged substantially on a line in the vertical direction so that the projected shape on the horizontal plane overlaps.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fan equipped with a swing mechanism and a swing adjuster for adjusting the swing angle.

[0002]

FIG. 3 shows an example of a conventional fan having a swing angle adjusting mechanism. In the figure, 101 is a support, and 102 is a blower supported above the support 101. The blower 102 is
It is supported on a support table 103 provided at the upper end of the camera through a swing adjustment section 104 having an angle adjustment mechanism and a swing mechanism section 105. The blower 102 has a motor 106 and a blade 107 that is driven to rotate by the motor 106. A front plate 108 is fixed to the front surface of the motor cover 106, and the blade 107 is covered by a guard portion 109 attached to the front plate 108.

Next, the configurations of the swing adjustment section 104 and the swing mechanism section 105 will be described. On the support 103,
A receiving base 112 is swingably supported about the shaft 111. On the upper side of the receiving base 112, the motor 106 is horizontally and swingably supported by a shaft (not shown) coaxial with the shaft 111. A lever 114 is supported on the receiving base 112 by a shaft 113 so as to be able to swing horizontally, and the receiving base 112 and the lever 114 constitute a swing adjustment unit 104. The lever 114 is held at a predetermined swing position with respect to the cradle 112. A front end of a link arm 115 is connected to a front end of the lever 114 by a shaft 116 so as to be horizontally swingable. Further, on the rear side of the rear motor 106,
The swing drive unit 117 composed of an electric motor, etc.
It is supported by 18 and is provided. This swing drive
Reference numeral 117 denotes a rotary drive of a gear 119 projecting downward. A shaft portion 120 is provided on the lower surface of the gear 119 at a position displaced from the center of rotation.
The rear end of the link arm 115 is swingably connected to the shaft 120. Therefore, when the gear 119 rotates, the motor 106 and further the blade 107 swing horizontally (swing motion) around the shaft 111 under the control of the link arm 115. And lever 114
When the lever 114 is swung with respect to the pedestal 112 by operating the shaft 111 of the motor 106 and the shaft 116 of the link arm 115.
, The swing range of the blade 107 changes. Further, the motor 106 including the swing mechanism 105 is covered by the front plate 108 and the rear case 121.

[0004] As described above, in the conventional fan,
The motor 106 and the swing mechanism 105 are arranged in a horizontal direction, and the swing adjuster 104 is located below the motor 106 and the swing mechanism 105. for that reason,
The motor 106, the swing adjustment unit 104, and the swing mechanism 105 all have a large size, which causes a problem of deteriorating the appearance. In addition, since the blower 102 is large in the shape of protruding rearward, there is a problem that the rear portion of the blower 102 is obstructed during storage.

The present invention is intended to solve such a problem. The entirety of the motor, the swing adjustment section and the swing mechanism can be made thin, and the appearance is good and the storage section can be used for storage. It aims to provide a fan that does not take up space.

[0006]

According to the electric fan of the present invention, the motor, the oscillating mechanism, and the oscillating adjuster are arranged such that the shapes of the projections onto the horizontal plane overlap each other. It is possible to make the whole of the swing adjustment section and the swing mechanism section thin.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a fan according to the present invention will be described below with reference to FIGS. Reference numeral 1 denotes a support, and 2 denotes a blower supported above the support 1.
The blower 2 is supported via a swing adjustment unit 4 and a swing mechanism unit 5 on a support 3 provided at the upper end of the support column 1 so as to be able to turn up and down. The blower 2 has a motor 6 and blades 7 that are driven to rotate by the motor 6. The motor 6 is covered with a pair of front and rear motor covers 8, and these motor covers 8 have flange portions 9 at their butted portions.

Reference numeral 11 denotes a motor support plate as a support member made of a metal material or the like. The motor support plate 11 supports the motor 6 at a portion of the swing mechanism 5 on the support column 1 side. The motor support plate 11 includes a vertical motor mounting portion 12 fixed to the flange portion 9 of the motor cover 8 and a substantially horizontal base portion 13 bent rearward from a lower end of the motor mounting portion 12. Are integrally formed. Reference numeral 16 denotes a drive unit cover that covers the motor cover 8 together with a part of the motor support plate 11 and the swing mechanism 5, and the drive unit cover 16 includes a front case member 17 and a rear case member 18. Further, an annular cap 19 is detachably screwed to a front portion of the front case member 17, whereby a guard portion 20 is attached to the front side of the front case member 17.
Are detachably fixed. The guard portion 20 covers the blade 7 fixed to a rotation output shaft 21 protruding forward of the motor 6.

Next, the swinging mechanism 4 for continuously changing the axial direction of the blade 7 and the swinging adjusting unit 4 having an angle adjusting mechanism for adjusting the axially changing range of the blade 7 are described.
Will be described. On the support 3, a shaft 31
The cradle 32 is supported so as to be able to swing horizontally about the center. Above the pedestal 32, the motor support plate 11 is horizontally and swingably supported together with the motor 6 and the like by a shaft 33 coaxial with the shaft 31 housed in the pedestal 32. The shaft portion 33 is connected to the front portion of the base portion 13 of the motor support plate 11 by being mounted on the shaft, and supports the motor 6 and a part of the swing mechanism 5 at a right angle. A lever 35 for angle adjustment is supported on the receiving table 32 by a shaft 34 so as to be able to swing horizontally. The swing adjusting section 4 having an angle adjusting mechanism by the receiving table 32 and the lever 35 is provided. Is configured. The lever 35 is held at a predetermined swing position with respect to the receiving table 32. A front end of a first link arm 36 as a connecting body is connected to a front end of the lever 35 by a shaft 37 so as to be horizontally swingable. Further, on the rear portion of the base piece 13 of the motor support plate 11, a swing drive section 38 composed of an electric motor or the like is supported. The swing drive section 38 has a rotation output shaft 39 protruding downward, and one end of a second link arm 40 as a connecting body is fixed to the rotation output shaft 39.
The other end of the second link arm 40 has the first
The rear end of the link arm 36 is connected by a shaft 41 so as to be horizontally swingable.

As described above, the swing mechanism 5 is provided below the rear portion of the motor 6, and the swing adjusting section 4 is provided below the swing mechanism 5. Motor 6, swing mechanism 5, and swing adjuster 4
Are arranged substantially linearly in the vertical direction so that their projected shapes on a horizontal plane overlap each other, that is, are arranged so that they overlap each other when viewed from above. More specifically, in the swing mechanism 5, the projection shape on the horizontal plane overlaps with the motor 6 in more than half including the swing drive unit 38, and the swing adjustment unit 4 mostly The projected shape overlaps with the swing mechanism 5.

Next, the operation of the above configuration will be described. In the swing mechanism 5, when the rotation output shaft 39 of the swing drive unit 38 rotates, the motor cover 8 and the blades 7 are further controlled by the link arms 36 and 40 to restrict the position.
Swing (swing motion) around 33. As a result, the axial direction of the blade 7, that is, the blowing direction changes continuously. Then, operate the lever 35 to receive the lever 35
When it is rotated with respect to 32, the position of the shaft portion 37, which is the rotation fulcrum of the first link arm 36, changes, so that the swing angle in the swing motion transmitted by the swing mechanism 5 is changed. And the swing range of the blade 7 changes.

According to the configuration of the above embodiment, the motor 6, the swing mechanism 5 and the swing adjusting unit 4 are arranged substantially linearly in the vertical direction, and are arranged so that their projected shapes on a horizontal plane overlap each other. The motor 6, the swing mechanism 5, and the swing adjuster 4 can be made thinner as a whole, and a fan whose swing angle can be adjusted can improve the appearance. At the same time, there is no protrusion in the horizontal direction in the blower 2, so that it is not necessary to take up space at the time of storage or the like.

Note that the present invention is not limited to the above-described embodiment, and various modifications can be made. For example,
In the above-described embodiment, the example in which the blower swings in the left-right direction has been described.However, the swing adjustment unit can freely select not only the swing range of the blower but also the swing angle of the blower up, down, left, and right. In this way, a three-dimensional swing motion can be performed.

[0014]

According to the electric fan of the first aspect of the present invention, the whole of the motor, the swing adjusting section and the swing mechanism section can be made thinner, and the appearance can be improved, and the space can be saved when storing. I'm done.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a vicinity of a blower showing an embodiment of a fan of the present invention.

FIG. 2 is a top view of the same.

FIG. 3 is a side cross-sectional view showing an example of a conventional fan near a blower.

[Explanation of symbols]

 4 Swing adjustment unit 5 Swing mechanism 6 Motor 7 Blade

Claims (1)

[Claims] 1. A blade, a motor for driving the blade to rotate, a swing mechanism for continuously changing the axial direction of the blade, and a range for changing the axial direction of the blade by the swing mechanism. A fan provided with a swing adjustment section having an angle adjustment mechanism, wherein the motor, the swing mechanism section, and the swing adjustment section are arranged so that shapes projected on a horizontal plane overlap each other. .