JP2003076303A - Rotating and internally illuminating signboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a rotating and internally illuminating signboard in which inspection and exchange for maintenance, and repair are easily applied. SOLUTION: The signboard consists of a pole 21 which is located on a ground side and fixed to the ground, a support 20 which is located in a midair side, hollow inside and is integrally formed with a frame 22 that stores an electric motor 70 and a transmission means 50, a signboard frame 10 which rotates around the support 20, a spindle 30 which is integrally formed with the frame 10 and a divided spindle 40 which is attachable and detachable by the spindle 30 and connecting means 30a and 40a. Force of the motor 70 is transmitted to the frame 10 through the means 50, the spindle 40, the means 30a and 40a and the spindle 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary internally illuminated signboard, and by slowly rotating the entire signboard while illuminating the inside, the contents displayed on the signboard can be displayed from any direction at night. , Among the rotating illuminated signs that people around can see, the equipment that needs frequent inspection and repair is installed in the high position in the air,
The purpose of the present invention is to obtain a rotary endoscopic signboard that is easy to inspect and replace and easy to repair.

[0002]

2. Description of the Related Art On the roofs and premises of food shops, gas stations, drug stores, convenience stores, various chain stores, etc., you can see rotating signboards that rotate as a whole. As for the size of the rotating signboard,
The length of the signboard is 2 to 10 meters, the width is 2 to 5 meters, the total height from the ground is 5 to 15 meters, and the weight is 500 kg to 300.
The sign of 0kg is rotating. At the time of rotation, the rotation of the electric motor was transmitted to the signboard to rotate the entire signboard.

As a first method of the power unit for rotating the entire rotating signboard, the rotation of the electric motor is transmitted to the gearbox by the belt, and the rotation of the gearbox is received by the bearing assembly to rotate the entire rotating signboard. Was there. In this case, the weight of the entire rotating signboard is supported by a turntable arranged on the mast.

As a second method of the power unit for rotating the entire rotating signboard, the rotation of the electric motor is transmitted to the driving urethane shaft with a bearing by a belt, and the rotation of the driving urethane shaft is rotated on the outer periphery of the driving urethane shaft. Was transmitted to the outer periphery of the rotary shaft as a frictional force, and the rotary shaft was rotated by the frictional force to rotate the entire rotating signboard. In this case, the tension of the belt is adjusted by an adjusting device (a device that adjusts the distance between the electric motor and the drive urethane shaft by adjusting the bolt).

As a third method of the power unit for rotating the entire rotating signboard, the rotation of the electric motor located at a high place on the ground is integrated with the rotating signboard whose center of rotation is the same by a clutch. It was transmitted to the rotation axis of and rotated the entire rotating signboard. That is, there was an integral body which could not be separated into the main shaft and the split main shaft as seen in FIG.

[0006]

However, in the case of such a conventional rotating signboard, in both the first method and the second method, since the rotation of the electric motor is transmitted by the belt, the belt is used for a long time. There was an inconvenience that it had to be regularly inspected and replaced for its growth.

That is, in the first method, the belt needs to be inspected for tension and wear quite frequently (every day), and replacement every three years is instructed. Further, in the second method, in order to secure the frictional force, in addition to the first method, it is necessary to consider the wear of urethane.

On the other hand, in the third method, when the slip ring penetrating the rotary shaft forming the rotary signboard is damaged or the clutch attached to the end of the rotary shaft is damaged. , Had to lift a heavy weight signboard frame in a high position for replacement or repair work. The present invention aims to solve such problems.

[0009]

According to the present invention, a pillar 21 fixed to the ground on the ground side and a frame 22 hollow in the air and containing an electric motor 70 and a transmission means 50 are integrated. The pillar 20, the signboard frame 10 rotating around the pillar 20, the main shaft 30 integrated with the signboard frame 10, the main shaft 30 and the connecting means 3
0a, 40a, which is a detachable main spindle 40, and the power of the electric motor 70 is transmitted to the sign frame 10 via the transmitting means 50, the split main spindle 40, the connecting means 30a, 40a, and the main spindle 30. The signboard frame 10, the main shaft 30, and the split main shaft 40 support most of the weight of the signboard frame 10, the main shaft 30, and the split main shaft 40 by the supporting means 28 provided on the support column 20, thereby rotating the whole signboard frame 10. Is supported by a holding means 29 arranged between the signboard frame 10 and the support column 20, and further, the electric motor 70 and the transmission means 50.
And the split spindle 40 and the connecting means 30a, 40a
And the center of rotation of the main shaft 30 integrated with the signboard frame 10 is on the same axis, and further, from the pillar 20 to the inside of the signboard frame 10. For the transmission of electric power from the side of the frame 22 to the surface of the divided main shaft 40 arranged inside the frame 22 that constitutes the support column 20, the divided main shaft 40 slides by the rotation of the divided main shaft 40. It is characterized in that a slip ring 60 for transmitting electricity is arranged on the side of the main shaft 40, and further, the transmission means 50 is based on the clutch 50 that transmits using friction, and the connection means 30a, 40a are bolts. Flange 30 fixed with
a, 40a, the supporting means 28 is a thrust bearing 28 for supporting a load, and the holding means 29 is a wheel 29 for supporting rotation, thereby solving the above problems. did.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The rotary internally illuminated signboard of the present invention will be described in detail with reference to the accompanying drawings by way of examples. Here, FIG.
FIG. 2 is a cross-sectional view showing the rotary internally illuminated signboard of the present invention.
FIG. 3 is a cross-sectional view of a slip ring used for the rotary internally illuminated signboard of the present invention, and FIG. 3 is a detailed view of another embodiment of the cross sectional view showing the rotary internally illuminated signboard of the present invention.

As is apparent from FIG. 1, 10 is a signboard frame, and the signboard frame body 10a and the seat 10b are integrally formed by welding or fixing them by bolts (not shown). Further, the main shaft 30 and the split main shaft 40 are provided, and the flanges 30a and 40a serving as the connecting means 30a and 40a are formed on the respective main shafts 30 and 40a.
Both 0 and the split spindle 40 are connected together and are easily separated.

In this case, the flanges 30a and 40a can be fixed by disposing a plurality of bolts at equal intervals in the circumferential direction. The flange 30a,
40a arranges each group of the plurality of bolts at equal intervals in the circumferential direction by preparing a plurality of groups of the plurality of bolts, and the plurality of bolts of each group are equally spaced from each other. It is also considered when placing in.

Here, the seat 10b forming the signboard frame 10 and the main shaft 30 are screwed together, so that the signboard frame 10, the main shaft 30 and the split main shaft 40 are also integrated. However, the coupling between the seat 10b and the main shaft 30 is not limited to screwing, and other coupling methods such as welding or bolting with a flange may be used. In addition, there are cases where the connection is made with a key.

In this embodiment, the main shaft 30 and the divided main shaft 40 are divided, but the divided main shaft 40 may be further divided depending on the situation. Furthermore,
The main shaft 30 and the split main shaft 40 are provided with holes in the shafts so as to have a hollow structure for wiring, which will be described later.

On the other hand, the total weight of the signboard frame 10, the main shaft 30 and the split main shaft 40 is supported by the support columns 20 installed on the ground. In order to smoothly rotate the signboard frame 10, the signboard frame 10, the main shaft 30 and the signboard frame 10 are divided between the seat 10b forming the signboard frame 10 and the seat 23 forming the support column 20. A thrust bearing 28 is provided as a supporting means 28 for supporting the weight of the main shaft 40.

In this case, the support column 20 is composed of a column 21, a hollow frame 22 and a seat 23, and the components 21, 22, 23 are integrated by bolts 25, 24. They are connected and fixed to the ground by anchor bolts 26.

Further, when the signboard frame 10 is rotated, a plurality of wheels 29 as holding means 29 are arranged at equal intervals on the signboard frame 10 so that the large and heavy signboard frame 10 smoothly rotates in the lower part. The rotation is supported by coming into contact with the outer circumference of the column 21 that constitutes the support column 20. The wheel 29 has bearings and has rubber formed on its surface.

By the way, the main shaft 30 and the split main shaft 40, which are integrated with the signboard frame 10, have their centers of rotation all on the same axis, and the clutch 50 as the transmission means 50.
The rotation of the electric motor 70 is also transmitted on the same shaft center by being connected to the electric motor 70 via. However, the connection between the split main shaft 40 and the electric motor 70 is not limited to the clutch 50, and may be a coupling joint or a fluid joint.

Although not specifically shown in FIG. 1, a bevel gear or a spur gear is used to transmit the rotation of the electric motor 70 to the main shaft 30 integrated with the signboard frame 10. Therefore, a transmission method that is not on the same axis of rotation is also conceivable.

Here, the electric motor 70 is fixed to the frame 22 constituting the support column 20 by bolts 71.

On the other hand, in the case of the rotary internally illuminated signboard according to the present invention, the signboard frame main body 10a constituting the signboard frame 10 needs illumination at night. Therefore, electricity is sent to the signboard frame 10 from the ground power source (not shown) through the slip ring 60.

In this case, the slip ring 60 is the outer cylinder 6
0a and the inner cylinder 60b, the outer cylinder 60a is
The inner cylinder 60b is fixed to the frame 22 constituting the support column 20 by bolts 61, and is fixed to the outer circumference of the inner cylinder 60b so as to penetrate the split main shaft 40. Therefore, the inner cylinder 60
The b is fitted to the split main shaft 40 so that it can rotate together with the rotation.

On the other hand, two grooves 60 are formed on the outer circumference of the inner cylinder 60b.
e is machined, and the brass ring 60 is on the bottom of the groove 60e.
f is arranged in an insulated state. Further, some sets of contacts 60d are arranged in the two grooves 60e between the outer cylinder 60a and the inner cylinder 60b and are evenly arranged in the circumferential direction to contact the outer cylinder 60a. Contact 60d between child 60d
A brass ring 60 in which the inner ring 60b is provided at the bottom of the groove 60e.
A spring 60c is provided for forcibly contacting f.

In this case, the spring 60c and the contactor 60d located on the outer cylinder 60a are housed in the hole formed inside the outer cylinder 60a along the groove 60e formed on the outer circumference of the inner cylinder 60b. There is. Further, as described above, it is desirable that these holes formed on the circumference of the outer cylinder 60a are equally divided in the circumferential direction, but the holes are equally divided in the circumferential direction. No need.

Here, the spring 60c and the contact 60d
The purpose of the brass ring 60f is to ensure that current flows from the outer cylinder 60a to the inner cylinder 60b while the inner cylinder 60b is rotating as the split spindle 40 rotates.

With this structure, electricity sent from a power source (not shown) on the ground is distributed to the frame 22 forming the support column 20 and the outer cylinder 60a forming the slip ring 60. Wiring 68 from the installed power supply,
It is possible to send electricity to the signboard frame 10 via the contactor 60d and the brass ring 60f and the wiring 67 to the signboard frame main body disposed inside the split spindle 40.

A feature of the present invention is that the sign frame 10, the main shaft 30 and the split main shaft 40 are integrated, and the main shaft 30 and the split main shaft 40 are flanges 30a, 40.
Since disconnection and connection are possible at the portion a, when the slip ring 60, the clutch 50, the electric motor 70, and other devices fail, the main shaft 30 and the split main shaft 40 are connected. By detaching the flanges 30a and 40a and releasing the coupling of the clutch 50, there is the convenience that each device can be easily repaired.

To describe this in more detail, the spindle 30
And the flanges 30a, 40a connecting the split spindle 40
Is disengaged and the clutch 50 is disengaged into a part connected to the shaft of the electric motor 70 and a part connected to the split main shaft 40, whereby the split main shaft 40 and the slip ring 60 are separated.
Thus, a part of the clutch 50 is integrated and separated from the other parts. For this reason, it is more effective if a repair window (not shown) is provided on the side surface of the frame 22 that constitutes the support column 20.

Further, the frame 2 which constitutes the support column 20.
2 is for repairing the electric motor 70, the clutch 50, the slip ring 60, and the split main shaft 40 as they are when the bolt 71 fixing the electric motor 70 and the bolt 61 fixing the slip ring 60 are removed. If it is shaped so that it can be moved to the window, it will be more convenient for repair.

The rotary internally illuminated signboard according to the present invention is constructed as described above, and its operation will be described below.

When the entire signboard frame 10 is to be rotated, the electric motor 70 is activated when the electric motor 70 is operated.
The rotation of 0 is transmitted to the split main shaft 40 that is integrated with the sign frame 10 and the main shaft 30 via the clutch 50.
In this case, the divided spindle 40 and the spindle 30 are
Since the main shaft 30 and the signboard frame 10 are connected by screwing, the signboard frame 10, the main shaft 30, and the split main shaft 40 are integrated, and the signboard frame 40 rotates as the split main shaft 40 rotates. 10 is also designed to rotate.

Further, the signboard frame 10 is a thrust bearing 2
8, the wheel 29 receives the total weight and rotates, but at the same time, the wheel 29 is in contact with the outer periphery of the support column 20 to support the rotation, so that smooth rotation is possible.

On the other hand, when the signboard frame 10 is rotating, the electricity sent from the ground power source (not shown) is
Wiring 68 from a power source arranged in a column 21 that forms the support column 20 to the frame 22 and an outer cylinder 60a that forms the slip ring 60, a spring 60c, and a contactor 60d.
Then, it is sent to the signboard frame 10 via the brass ring 60f and the wiring 67 to the signboard frame main body arranged inside the split spindle 40.

The frame 22 which constitutes the support column 20
If some trouble occurs in the electric motor 70, the clutch 50, or the slip ring 60, which are stored in the high position, and it is necessary to replace or repair the split spindle 40, The flanges 30a, 40a connecting the main shaft 30 are disengaged, and further the clutch 50 is disengaged to connect the main shaft 40, the slip ring 60, and the clutch 50 to the main shaft 40 side. Since the parts can be integrated and separated, it is possible to relatively easily replace or repair the electric motor 70, the clutch 50, and the slip ring 60.

Here, FIG. 3 shows a detailed view of another embodiment of the sectional view showing the rotary internally illuminated signboard of the present invention. Even if the shapes are different, the seat 10b and the thrust bearing 28 are shown.
The seat 23 has the same function as that shown in FIG.
The flanges 30a and 40a also have the same function as in FIG.

On the other hand, regarding the slip ring 60A,
Although the structure is different from the slip ring 60 shown in FIG. 2, functionally, the outer cylinder 60a corresponds to the outer column 60Aa, and the inner cylinder 60b corresponds to the slip ring main body 60Ab. Although the spring 60c is not specifically shown, a spring-shaped leaf spring is used, and the contact 60d corresponds to the brush 6.
It is 0Ad, and the groove 60e and the brass ring 60f are combined.
Have the same function.

The slip ring 60A is placed on the table 62, and the table 62 is mounted on the bolt 61.
It is fixed to the frame 22 by. Such a structure can be used also in the slip ring 60, and as a result, as will be described below, a part of the clutch 50, the split main shaft 40, and the slip ring 60A.
It became possible to easily separate them by integrating them.

Further, although the clutch 50 is not shown in detail in FIG. 1, in FIG. 3, the first sprocket 50a is fixed to the shaft of the electric motor 70 so that the rotation of the electric motor 70 can be transmitted. And roller chain 5
0b to the second sprocket 50c to the electric motor 70
Is transmitting the rotation.

The second sprocket 50c has an end portion 50
The hub 50d having the da formed therein, the masatsu plate 50e, the second sprocket 50c, the masatsu plate 50e, the disc spring 50f, the pilot plate 50g, and the adjusting nut 50h are arranged in an array, and the split main shaft 40 penetrates through the central portion.

In this case, by tightening the adjusting nut 50h, the hub 5 including the hub 50d and the adjusting nut 50h is
The parts 50d, 50e, 50c, 50e, 50f, 5 located between the end 50da of 0d and the adjusting nut 50h.
0g and 50h are integrated, and at the same time, the contact between the second sprocket 50c and the mass plate 50e on both sides thereof can be adjusted. Further, on the side of the end different from the end 50da of the hub 50d, the adjusting nut 50h coupled by screwing is connected.
The plurality of adjusting bolts 501 arranged on the side surfaces of the second sprocket 50c and the mass plate 50 on both sides of the second sprocket 50c.
The contact of e is adjustable.

Further, by disposing a key (not shown) further on the end side of the end 50da of the hub 50d, the hub 50d
Parts 50d, 50e, 50c, 50 integrated with
e, 50f, 50g, and 50h are securely fixed to the split spindle 40.

With this structure, the clutch 50 can be divided into two parts by disconnecting and removing the roller chain 50b forming the clutch 50. Only the split main shaft 40 and the slip ring 60A can be integrated and easily separated.

[0043]

As is apparent from the above description, according to the rotating interior illuminated signboard according to the present invention, Since the center of rotation of the electric motor and that of the signboard frame are on the same axis, the use of the V-belt is unnecessary, and therefore, the inspection and replacement of tension wear are not necessary. 2. By connecting a flange between the main frame and the split main spindle of the signboard frame, the main spindle and the split main spindle, which were integrated, to facilitate separation, the split main spindle, slip ring, and part of the clutch can be removed together. This has made it possible to replace and repair devices such as electric motors, clutches, and slip rings that are installed high above the ground. 3. By supporting the signboard frame by the thrust bearing which is the supporting means and by the wheels which are the holding means, it is possible to rotate the signboard frame smoothly even though it is a considerably large object.

[Brief description of drawings]

FIG. 1 is a sectional view showing a rotary internally illuminated signboard of the present invention.

FIG. 2 is a cross-sectional view of a slip ring used for the rotary internally illuminated signboard of the present invention.

FIG. 3 is a detailed view of another embodiment of the cross-sectional view showing the rotary internally illuminated signboard of the present invention.

[Explanation of symbols]

10 ... Signboard frame 10a ... Signboard frame body 10b ... 20 ... Support 21 ... Pillar 22 ... Frame 23 ... 24: Bolt 25 ... Bolt 26: Anchor bolt 28 ... Thrust bearing (supporting means) 29 ... Wheels (holding means) 30 ... Spindle 30a ... Flange (connecting means) 40-split spindle 40a ... Flange (connecting means) 50 ... Clutch (transmission means) 50a ... First sprocket 50b ... Roller chain 50c ... Second sprocket 50d ... Hub 50da ... end 50e ... Massatsu plate 50f ・ ・ ・ ・ Disc spring 50g ... ・ Pilot plate 50h ... Adjusting nut 50i ... Adjustment bolt 60-Slip ring 60a ... ・ External cylinder 60b ... Inner cylinder 60c ... Spring 60d ... Contactor 60e ... ・ Groove 60f ... Brass ring 60A ... Slip ring 60Aa ... Outer support 60Ab ... Slip ring body 60Ad ... brush 61 ... Bolt 62 ... stand 67 Wiring to the signboard frame body 68: Wiring from the power supply 69 ... Bearing 70 ... Electric motor 71 ... Bolt

Claims (5)

[Claims] 1. A pillar (2) fixed to the ground on the ground side.
1) and a hollow electric motor (70) inside
And a pillar (20) integrally formed with a frame (22) accommodating the transmission means (50), a signboard frame (10) rotating around the pillar (20), and the signboard frame (10). The main shaft (30) and a split main shaft (40) that is detachable from the main shaft (30) by connecting means (30a, 40a), and the power of the electric motor (70) is transmitted to the transmission means (50). A rotating internally illuminated signboard capable of being transmitted to the signboard frame (10) through the split main shaft (40), the connecting means (30a, 40a), and the main shaft (30). 2. The signboard frame (10), the main shaft (30), and most of the weight of the split main shaft (40) is supported by a support means (28) arranged on the support column (20). (10) The rotating internally illuminated signboard according to claim 1, wherein the rotation of the whole is supported by a holding means (29) arranged between the signboard frame (10) and the column (20). 3. The electric motor (70), the transmission means (50), the split spindle (40), the connection means (30a, 40a), and the sign frame (10) are integrated with each other. The rotary endoscopic signboard according to claim 1 or 2, wherein all the rotation centers of the main shaft (30) are on the same axis. 4. The split spindle (40) arranged inside the frame (22) constituting the pillar (20) for transmitting electric power from the pillar (20) to the inside of the signboard frame (10). ), A slip ring (60) for transmitting electricity from the side of the frame (22) to the side of the split spindle (40) is arranged while sliding by the rotation of the split spindle (40). The rotating endoscopic signboard according to any one of claims 1 to 3, which is characterized. 5. The transmission means (50) is a clutch (50) that transmits by friction, and the connection means (30a, 40a) is a flange (30a, 40a) fixed by a bolt. Yes, said supporting means (28) is by means of a thrust bearing (28) for supporting the load and said holding means (29) is by means of wheels (29) for supporting the rotation. Item 5. The rotating internally illuminated signboard according to any one of items 4.