KR200215905Y1 - Auto movable electric fan - Google Patents

Abstract

The present invention relates to an auto-moving fan, comprising a drive ball for moving the fan body, at least four electric drive rollers arranged around the drive ball, coil means and motor means for selective operation of the drive roller. By providing a driving means for moving the fan, which is composed of, etc., it is possible to conveniently move the fan to a desired direction and position only by selective electric control between the driving ball and the driving roller through a simple remote control operation. It is intended to improve convenience and to further increase the overall product value of the fan by providing such an automatic moving means.

Description

Auto movable electric fan {Auto movable electric fan}

The present invention relates to an automatic mobile fan, and more particularly, four drive rollers capable of being electrically driven with the drive ball and a motor for operating the drive roller are arranged around the drive ball for moving the fan body. By controlling each driving roller selectively by remote control operation, it is possible to freely move the fan body in any desired direction, so that the convenience related to the use of the fan can be increased, and the effect of improving the merchandise for the fan can be expected. It relates to a portable fan.

In general, most fans used for homes and businesses are fixed, so they are usually placed in a suitable place.

If the fan is moved as needed during the use of the fan, the small can be moved directly by dragging or moving the large by dragging on the floor, which is inconvenient and cumbersome, and has the disadvantage of scratching the bottom surface of the fan body.

Occasionally, there are wheels on the fan body, but there are inconveniences that a person must push directly, and there is a disadvantage that the direction adjustment is not as desired.

Therefore, the present invention has been devised in view of the above, and a drive ball for moving the fan body, at least four electric drive rollers disposed around the drive ball, and for the selective operation of the drive roller By providing a driving means for moving the fan composed of a coil means and a motor means, it is possible to conveniently move the fan to the desired direction and position only by selective electric control between the driving ball and the driving roller through a simple remote control operation. The purpose of the present invention is to improve the convenience associated with the use of a fan and to further increase the overall product value of the fan by providing such an automatic moving means.

1 is a perspective view showing the bottom structure of the automatic mobile fan according to the present invention

Figure 2 is a perspective view showing the drive means of the automatic mobile fan according to the present invention

3 is a plan view showing the operating relationship of the drive means in the automatic mobile fan according to the present invention

Figure 4 is an exploded perspective view showing a driving roller in the drive means of the automatic mobile fan according to the present invention

Figure 5 is a cross-sectional view showing a state before the contact of the driving roller in the drive means of the automatic mobile fan according to the present invention

6 is a cross-sectional view taken along line A-A of FIG.

Figure 7 is a cross-sectional view showing a state after the contact of the driving roller in the drive means of the automatic mobile fan according to the present invention

Figure 8 is a perspective view showing another embodiment of the drive means of the automatic mobile fan according to the present invention

9 is an enlarged plan view of main parts of FIG. 8;

<Explanation of symbols for main parts of drawing>

10: drive ball 11: drive roller

12: motor 13: drive bevel gear

14 coil 15 roller shaft

16: driving drum 17: pin

18: slot 19: disc clutch

20: roller bracket 21: support

22: motor pulley 23: belt

24: electric pulley 25: electric bevel gear

26: drive gear 27: electric gear

28: contact point 29: guide ball

30: ball bracket 31: bearing

32: key 33: key groove

34: coating layer

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention is installed in the center of the bottom of the fan body freely rotatable structure to move the fan body to move the fan body, and is disposed around the drive ball 10 and selectively contacting and separating the drive ball (10) At least four drive rollers 11 for moving the movement, and each transmission member and the motor 12 as a driving source for imparting a rotational force to each of the drive rollers 11 at the same time, one or two drive rollers ( It is characterized in that the fan body can be moved in the front and rear, left and right directions and diagonal direction by selective transmission between the 11 and the driving ball 10.

In particular, the drive roller 11 has a driving bevel gear 13 at one end and is coupled to a roller shaft 15 around which a coil 14 capable of supplying power is wound, and around the roller shaft 15. And the two combined drive drums 16 which are radially expandable in accordance with the magnetization of the coil 14 and integrally rotated together to be integrally rotated together and rotatable together at the same time. A disc clutch 19 coupled to both ends via a pin 17 and a slot 18 to guide the expansion of the driving drum 16, and fixed to the bottom of the fan body and supporting both ends of the roller shaft 15. It is characterized by consisting of a roller bracket 20.

In addition, the transmission member is coupled to the support (21) installed vertically on the floor of the fan, the top of the support 21 in a rotatable structure and the motor pulley (22) mounted on the shaft of the motor 12 and one Driving pulley 24 coupled to the belt 23 of the drive bevel gear 13 is coupled to the lower end of the support 21 in a rotatable structure and the roller shaft 15 of the drive roller 11 It is characterized in that it is composed of an electric bevel gear 25 for transmitting power by engaging with.

In addition, the transmission member is coupled to the support 21 is installed vertically on the bottom of the fan, and the drive gear 26 coupled to the upper end of the support 21 in a rotatable structure and mounted on the shaft of the motor 12. It is coupled to the driving gear bevel gear 13 and the driving bevel gear 13 in the roller shaft 15 of the drive roller 11 and coupled to the lower end of the support 21, the transmission gear 27 is engaged. It is characterized by consisting of a transmission bevel gear 25 for transmission.

In addition, the four driving rollers 11 are arranged at intervals of 90 ° with respect to the driving ball 10, and the two driving rollers 11 facing each other are set to have rotation directions opposite to each other. It is done.

In addition, the coil 14 is a double coil system wound independently on the roller shaft 15, each coil is provided with a contact 28 which is always in contact with the rotating roller shaft 15 It features.

This will be described in more detail as follows.

1 is a perspective view showing the bottom structure of the automatic mobile fan according to the present invention.

The driving ball 10 is mounted at the center of the floor of the fan main body 100, and the fan main body 100 moves while being guided by the guide balls 29 at four corners as the driving ball 10 moves. It becomes possible.

The guide ball 29 is installed in a structure that can be freely rotated in the ball bracket 30 is fixed on the bottom of the fan body 100, as shown in Figure 6, so that the driving ball 10 Regardless, the movement of the fan body 100 can be stably guided.

Figure 2 is a perspective view showing the driving means of the automatic mobile fan according to the present invention.

The drive means is composed of four drive rollers 11 arranged around the drive ball 10, a motor 12, and a transmission member for powering the drive rollers 11.

Each of the driving rollers 11 can be rotated simultaneously with the operation of one motor 12, and the driving balls 10 are selectively contacted and separated from the driving balls 10 according to a predetermined control method. Allows you to roll in any direction.

To this end, as shown in FIG. 3, four drive rollers 11 are disposed close to the drive ball 10 while maintaining a 90 ° interval along the circumference of the drive ball 10, and at the same time, the drive rollers 11 One by one transmission member is attached, and each driving roller 11 is connected to the belt 23 extending from the motor 12 on one side through the transmission member, and when the motor 12 is driven, it is connected to the belt 23. As a result, power is transmitted to each transmission member so that each driving roller 11 can be rotated.

That is, the four driving rollers 11 can be rotated at the same time with the driving of the motor 12 at all times, and in the case of normal use without moving the fan, each driving roller 11 is rotated by itself. The power relationship with the ball 10 is not made.

At this time, the driving rollers 11 have opposite rotation directions facing each other, thereby rolling the driving balls 10 in the front, rear, left, and right directions by an independent electric motion of each driving roller 11. The driving ball 10 can be rolled in a diagonal direction by the cooperative driving action of two driving rollers 11 adjacent to each other.

In one embodiment of the present invention, the transmission member is a top electric pulley (24) capable of belt transmission, the lower bevel gear 25 for the transmission to enable the gear transmission to the drive roller 11 side, and the fan body ( It is fixed to the bottom of the vertical 100 is composed of a support 21 for supporting the electric pulley 24 and the electric bevel gear 25.

Here, it is also possible to replace the chain transmission method by employing a sprocket means instead of the above pulley means.

Figure 4 is an exploded perspective view showing the components of the drive roller in the drive means of the automatic mobile fan according to the present invention.

The driving roller 11 has a roller shaft 15 is rotatably installed between the two roller brackets 20 fixed to the bottom of the fan body 100 via a bearing 31, and the roller bracket The disc clutch 19 is coupled to both ends of the roller shaft 15 by the key 32 and the key groove 33 so as to be rotatable integrally with the inner side of the roller shaft 15. It consists of a structure enclosed by a drive drum 16 of two combinations.

At this time, the roller shaft 15 is rotatable by receiving power through a driving bevel gear 13 mounted at one end, while the driving drum 16 has slots 18 at both ends thereof. It is coupled to the structure supported by being fitted to the pin 17 protruding from the inner surface of the disc-shaped clutch 19, the two driving drums 16 of the pin 17 by using the clearance gap of the slot 18 It has an operating characteristic that can be extended from the roller shaft 15 while being guided.

This expansion of the driving drum 16 is made by the magnetic force characteristic of the coil 14 wound on the roller shaft 15.

That is, two coil bundles having respective contacts 28 are wound on the roller shaft 15 separately, and when a current is supplied to the coils thus wound, the coil 14 and the driving drum 16 are wound. As the repulsive force is formed, as shown in FIG. 7, both driving drums 16 are opened outwards, and when the current is interrupted, the attraction force is formed between the coil 14 and the driving drum 16, and as shown in FIG. 5. As can be seen, both drive drums 16 are gathered towards the roller shaft 15.

In addition, since the surface of the driving drum 16 is treated with a rubber coating layer 34 having excellent friction characteristics, the driving efficiency of the driving drum 10 may be prevented from being lowered upon contact with the driving ball 10.

8 and 9 show another embodiment of the driving means of the automatic mobile fan according to the present invention.

Here, the motor 12 may be installed using the inner space of the pillar of the fan body 100, the drive gear 26 is mounted on the shaft of the motor 12 and the upper end of each support 21 in each position Since each electric gear 27 which can be engaged with the drive gear 26 at the same time is mounted, the fan can be moved using the gear transmission method.

Therefore, looking at the state of use for the automatic mobile fan of the present invention configured as described above are as follows.

In order to move the fan to a desired place, the motor 12 is operated by operating an ON / OFF switch (not shown) of the remote controller.

Even when the motor 12 is operated, each driving roller 11 has a constant distance from the driving ball 10 while the driving drum 16 is located close to the roller shaft 15 as shown in FIG. 5. Since it has a, it maintains an idle state.

Subsequently, when the electric current is applied to the drive roller 11 by operating the front, rear, left and right switches or the diagonal switch of the remote controller, the driving drum 16 is extended outward due to the magnetic force exerted by the coil 14. As shown in FIG. 7, the driving force is in close contact with the driving ball 10, and thus the driving force of the motor 12 is transmitted to the electric bevel gear 25 and the driving bevel gear 13 through the belt 23, thereby driving the roller. Since the driving ball 10 is rolled while the 11 is rotated, the fan can be moved in a predetermined direction.

For example, the direction in which the fan is moved with reference to FIG. 3 is as follows.

The fan is moved to the lower side of the drawing when the lower one of the four drive rollers 11 is operated, and to the right of the drawing when the right one is operated.

In order to move the fan diagonally, that is, in the lower right direction of the drawing, by operating the right and the lower one together, by simultaneously driving the driving ball 10 with the two driving rollers 11, the fan can be moved in the desired direction. .

Even if the driving roller 11 is operated individually or together with respect to a direction not given, for example, the fan can be conveniently moved in any direction.

As described above, the present invention provides an automatic mobile fan that can be conveniently moved to a desired direction and position even with a simple remote control, and thus, there is an advantage of further improving the convenience associated with the use of the fan. There is an effect that can further increase the value of the product.

Claims (5)

Drive ball 10 is installed in the center of the bottom of the fan body to be freely rotatable to move the fan body, and moved around the drive ball 10 to selectively move and drive the drive ball 10 It is composed of at least four driving rollers 11, each transmission member for simultaneously applying rotational force to each of the driving rollers 11, and a motor 12 as a driving source, and one or two driving rollers 11 and An auto-moving fan, characterized in that the fan body can be moved in the front, rear, left and right directions and diagonal directions by selective transmission between the driving balls 10. 2. The roller shaft (15) according to claim 1, wherein the driving roller (11) has a bevel gear (13) for driving at one end and a coil shaft (15) wound around a coil (14) capable of supplying power, and the roller shaft (15). Two combination drive drums 16 coupled to the circumference and integrally rotated and expandable in the radial direction according to the magnetization of the coil 14, and drive drums integrally coupled to both of the roller shafts 15 and rotatable together. Disc-shaped clutch 19 coupled to both ends of the pin 16 and the slot 18 to guide the expansion of the driving drum 16, and fixed to the bottom of the fan body, the roller shaft 15 Automatic fan, characterized in that consisting of a roller bracket 20 for supporting both ends of the. According to claim 1, The transmission member is coupled to the support 21 is installed vertically on the floor of the fan, the top of the support 21 in a rotatable structure and the motor pulley mounted on the shaft of the motor ( 22 is coupled to the electric pulley 24 connected by one belt 23 and the lower end of the support 21 in an integrally rotatable structure for driving on the roller shaft 15 of the drive roller 11. An automatic mobile electric fan, characterized in that it is composed of an electric bevel gear (25) which is engaged with the bevel gear (13) to transmit power. The driving member of claim 1, wherein the transmission member is coupled to the support 21 which is vertically installed on the bottom of the fan, and is integrally rotatable to the upper end of the support 21 and mounted on the shaft of the motor 12. 26 and a driving bevel gear 13 coupled to the lower end of the support 21 and the drive bevel gear 13 on the roller shaft 15 of the drive roller 11 directly engaged with the drive gear 26. An automatic mobile fan, characterized in that it is composed of an electric bevel gear (25) that is engaged to transfer power. According to claim 1, wherein the four drive rollers 11 are arranged at intervals of 90 degrees around the drive ball 10, the two drive rollers 11 facing each other to have a direction of rotation opposite to each other Auto-moving fan, characterized in that set.