JP2000308248A - Swivel unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To separate a display device from a swivel unit for forming a unit product, at the same time reduce cable lengths and reduce scattering, simplify wiring work, improve reliability, and reduce space. SOLUTION: In the swivel unit, a swivel rail 5 is rotatably provided on the upper surface of a swivel base 18, electrical equipment 8 can be attached to or detached from the swivel rail 5, a power feed output connector 12 is mounted to the tip of a power feed cable 3 extended from the swivel rail 5, and the power feed output connector 12 can be connected to a power feed input connector 11 that is provided at electrical equipment 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a swivel unit capable of rotatably supporting a display device and supplying power to the display device.

[0002]

2. Description of the Related Art There is a swivel unit as a mechanism for rotating in a horizontal direction in order to adjust a display device such as a display device to a position where a plurality of persons can view the display device or to adjust the display device to an easily viewable position.

A conventional swivel unit 4 will be described with reference to FIGS.

The display device 2 is rotatably provided on the swivel unit 4, a power cable (not shown) connected to an external power source such as a commercial power source is connected to the swivel unit 4, and the power cable is a power supply cable 3. It is connected to the.

An intermediate portion of the power supply cable 3 is fixed to a fixed shaft 1 protruding from the swivel unit 4, and is further spirally wound around the fixed shaft 1 before being connected to the display device 2. Have been. The fixed shaft 1 coincides with the rotation center of the display device 2. Thus, 1 from the swivel unit 4 to the display device 2
The power supply cables 3 are connected to each other.

When the display device 2 rotates in the negative direction about the fixed shaft 1, the power supply cable 3 is rewound (FIGS. 7A and 7B). When the display device 2 rotates in the + direction, the power supply cable 3 rotates. 3 (see FIG. 8A)
(B)), the power supply cable 3 is protected from excessive tension.

[0007]

However, since the conventional swivel unit 4 is connected from the swivel unit 4 to the display device 2 with the single power supply cable 3, a long power supply cable is required.

[0008] When the power supply cable 3 is wound around the fixed shaft 1, there is much variation due to the operator, such as the excess length or the looseness of the power supply cable 3 from the swivel unit 4 to the display device 2. , The power supply cable 3
When there is no extra length, the power supply cable 3 is pulled and disconnected before the swivel unit 4 finishes rotating. or,
Since the display device 2 and the swivel unit 4 are integrated, assembly wiring is troublesome, and assembly work of the swivel unit 4 and display device 2 cannot be performed in parallel. In the case of performing the operation, the display device 2 is inconvenient, for example, the display device 2 cannot be separated from the swivel unit 4, and the maintainability is poor.

[0009] Furthermore, there is a disadvantage that the swivel unit 4 alone and the display device 2 alone cannot be sold as a unit.

In view of such circumstances, the present invention makes it possible to separate the display device from the swivel unit, to make it possible to commercialize the unit, to shorten the cable length, reduce variations, and to simplify the wiring work. The purpose is to improve reliability and reduce space.

[0011]

SUMMARY OF THE INVENTION According to the present invention, a swivel rail is rotatably provided on an upper surface of a swivel base, and an electric device can be detachably attached to the swivel rail. The present invention relates to a swivel unit in which a power supply output connector is mounted, and the power supply output connector is connectable to a power supply input connector provided in the electric device. And a swivel unit in which a cable buffer band is formed by winding the power supply cable around the central concave portion, and a groove extending in a radial direction is formed in the swivel rail, and the power supply extending from the cable buffer band is formed. A swivel unit having a cable fixed in the groove, and a power receiving cable connected to a base end of the power supply cable. Install the Kuta, but according to the swivel unit and a power supply input connector of the power receiving connector and the electrical device apparatus was the same standard as to be connected to an external power supply cable via the power receiving connector.

[0012] By rotating the swivel rail, the direction of the electric product can be easily changed. When a power supply output connector of the swivel unit is connected to the electric device, power is supplied to the electric device, and the power supply output connector is disconnected. This makes it possible to easily attach and detach the electric appliance.

When the electric product is rotated, the power supply cable is wound or unwound in the rotation direction of the swivel rail by the cable buffer band, so that the length of the power supply cable is insufficient in the rotation range of the swivel rail. In addition, since the power supply cable is fixed in the groove, unnecessary bending of the power supply cable can be avoided, and the burden on the power supply cable can be reduced.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

In FIGS. 1 to 4, the same components as those in FIG. 5 are denoted by the same reference numerals.

FIGS. 1 and 2 show a swivel unit 4 having a power supply input / output and a display device 8 according to the present invention.

The swivel rail 5 located on the upper surface of the swivel unit 4 is rotatably provided on a swivel base 18 to be described later, and the display device 8 is fixed to the swivel rail 5.

The display device 8 includes a keyboard 7 and a display 6 provided to be tiltable on the keyboard 7.
The swivel rail 5 has a female screw 10 in a cylindrical hole 9 protruding from three places on the bottom surface of the display 6.
The swivel rail 4 can be easily detached from the swivel unit 4 by detaching the swivel rail 5.

A power supply input connector 11 is provided on the back surface of the keyboard 7 and can be fitted and detached from a power supply output connector 12 attached to one end of a power supply cable 3 extending from the swivel unit 4.

The details of the swivel unit 4 will be described with reference to FIGS.

At the outer edge of the swivel rail 5, three cylindrical seats 39 are provided.
The display device 8 is detachably fixed to the swivel rail 5 by inserting and screwing the conical screw 10 into the cylindrical hole 9 and the cylindrical seat 39. A rectangular long groove 13 is provided on the upper surface side of the swivel rail 5 in a radial direction, and a power supply output side portion of the power supply cable 3 is fixed so as to be detachable. The power supply output connector 12 is attached to the end of the power supply cable 3.

A rotary shaft 14 protrudes from a central portion of the lower surface side of the swivel rail 5, and a ring-shaped sliding surface 15 is formed around the rotary shaft 14. A stopper 16 is provided at the position.

An outer annular seat 19 is formed on the upper surface of the swivel base 18, and a swivel ring 17 having substantially the same diameter as the ring-shaped sliding surface 15 is fitted to the outer annular seat 19. The swivel base 18 is fixed from the lower side by a screw 20. The upper surface of the swivel ring 17 is a ring-shaped sliding surface 36, and the ring-shaped sliding surface 36 comes into sliding contact with the ring-shaped sliding surface 15.

The outer annular seat 19 of the swivel base 18
An inner annular seat 21 is provided concentrically on the inner side, and a stopper 22 is attached to the inner annular seat 21, and the stopper 22 contacts the stopper 16. Further, the inner annular seat 21
A central concave portion 26 is formed inside the central concave portion 26, a hole 23 is formed in the central portion of the central concave portion 26, and a rectangular hole 27 is formed in the peripheral wall.

A rotary shaft 14 of the swivel rail 5 is rotatably inserted into the hole 23, and a swivel presser 24 is fixed to a lower end of the rotary shaft 14 by a screw 25.
The swivel presser 24 is rotatable with respect to the swivel base 18, and the swivel rail 5 can rotate and slide with respect to the swivel base 18 via the swivel ring 17. A chassis 30 is fixed to the lower surface of the swivel base 18 with a female screw 29, and rubber feet 34 are provided at four appropriate positions on the lower surface of the chassis 30.

The power supply cable 3 passes through the rectangular long groove 13 and passes through the vicinity of the center of the swivel rail 5.
The cable is wound around the rotary shaft 14 in a circular manner within the central concave portion 26 (double winding in the drawing) to form a cable buffer band, and is further inserted through the rectangular hole 27 of the peripheral wall of the central concave portion 26. The lower surface of the swivel base 18 is fixed by a cable clamp 28.

A power receiving connector 3 is provided at the rear of the chassis 30.
5 is attached, and the base end of the power supply cable 3 is connected to the power receiving connector 35. A connector 41 of a power cable 40 connected to an external commercial power supply fits into the power receiving connector 35.

The swivel ring 17, the swivel base 18, and the chassis 30 are provided with through holes 31, 32, and 33 at a plurality of positions, for example, three places at positions overlapping each other. The female screw 10 for fixing 8 to the swivel rail 5 passes through the through holes 31, 32, 33 and is screwed.

The display device 8 is mounted on the swivel rail 5 of the swivel unit 4, and the female screw 10 passes through the chassis 30, the swivel base 18, and the swivel ring 17, and the swivel rail 5 and the display device 8 Is detachably fixed to the cylindrical hole 9.

The power supply output connector 12 of the swivel unit 4 is connected to the power supply input connector 11 of the display device 8, the connector 41 is fitted to the power receiving connector 35 of the swivel unit 4, and the power supply cable 40 is connected thereto. When the display device 8 is connected to an external power source through the power supply cable 3, power is supplied to the display device 8, and the display device 8 becomes operable.

When the display device 8 is rotated to the right or left to turn it in a desired direction, the swivel rail 5 also rotates integrally with the display device 8 and a ring-shaped sliding surface on the lower surface side of the swivel rail 5. Reference numeral 15 denotes a ring-shaped sliding surface 36 on the upper surface side of the swivel ring 17 fitted to the outer annular seat 19 of the swivel base 18 and smoothly rotates and slides around the rotary shaft 14.

When the rotation angle of the display device 8 is increased, the stopper 16 inside the ring-shaped sliding surface 15 on the lower surface side of the swivel rail 5 is connected to the swivel base 1.
8, slides inside the inner annular seat 21 and comes into contact with the stopper 22 fixed to the inner annular seat 21 to stop the rotation of the swivel rail 5, that is, the display device 8.

Even if the display device 8 is rotated in the opposite direction, the stoppers 16 and 22 similarly come into contact from the opposite direction, and the rotation is stopped.
A wide angle rotation is possible.

When the swivel rail 5 rotates left and right,
Since the power supply cable 3 is double-wound in the central concave portion 26 of the swivel base 18 to form a cable buffer band, the power supply cable 3 is wound or unwound according to the rotation direction,
In addition, since the cable clamp 28 prevents the power supply cable 3 from being displaced, a large load is not applied to the power supply cable 3 and there is no possibility of disconnection even when the wide angle rotation of 300 degrees is repeated.

When the display device 8 is to be repaired, replaced, or replaced with another electric product, the power supply output connector 12 is detached from the power supply input connector 11 and the conical screw 10 is pulled out, so that the display device 8 can be easily removed. Can be done.

Further, even if the power supply cable 3 is disconnected due to the durability limit of the power supply cable 3 of the swivel unit 4, the swivel unit 4 can be easily repaired.

Further, if the power supply input connector 11 and the power reception connector 35 have the same standard, even if the power supply input connector 11 and the power reception connector 35 are disconnected due to repair of the swivel unit 4 or the like, a power cable is connected to the power supply input connector 11 of the display device 8. 40
By connecting the connector 41, the display device 8 can be used.

It is needless to say that what is attached to the swivel rail 5 may be any other electrical equipment which requires power supply other than the display device 8.

[0039]

As described above, according to the present invention, the swivel unit can be separated from the display device.
Since the swivel unit is unitized and provided with a power supply input connector and a power supply output connector, and electrical equipment such as a display device can be detachably fixed, the length of the power supply cable can be shortened, assembly wiring, repair and repair The power supply cable is easy to replace, and the length of the power supply cable is not easily varied in production. Therefore, there is no fear of the power supply cable being disconnected due to shortage of the power supply cable. And various other excellent effects.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an embodiment of the present invention.

FIG. 2 is a bottom view of the display device according to the embodiment of the present invention.

FIG. 3 is a sectional view in the embodiment of the present invention.

FIG. 4 is an exploded perspective view in the embodiment of the present invention.

FIG. 5 is an explanatory diagram of a conventional display device with a swivel.

FIGS. 6A and 6B are explanatory diagrams showing a relationship between the conventional display device and a cable.

FIGS. 7A and 7B show a state of use (-150) of the conventional example.
FIG. 4 is an explanatory diagram showing a relationship between a display device and a cable at the time of (degree rotation).

FIGS. 8A and 8B show the use state (+150) of the conventional example.
FIG. 4 is an explanatory diagram showing a relationship between a display device and a cable at the time of (degree rotation).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Swivel unit 2 Display device 3 Power supply cable 4 Swivel unit 8 Display device 11 Power supply input connector 12 Power supply output connector 14 Rotary shaft 15 Ring-shaped sliding surface 16 Stopper 17 Swivel ring 18 Swivel base 19 Outer annular seat 24 Swivel holder 30 Chassis

Claims (4)

[Claims] A swivel rail is rotatably provided on an upper surface of a swivel base, an electric device is detachably mounted on the swivel rail, and a power supply output connector is attached to a tip of a power supply cable extending from the swivel rail, and the power supply is provided. A swivel unit, wherein an output connector is connectable to a power supply input connector provided in the electric device. 2. The cable damper band according to claim 1, wherein a central concave portion is formed around a swivel rail rotation center between the swivel base and the swivel rail, and the power supply cable is wound around the central concave portion to form a cable buffer band. Swivel unit. 3. The swivel unit according to claim 2, wherein a groove extending in a radial direction is formed in said swivel rail, and a power supply cable extending from said cable buffer band is fixed to said groove. 4. A power receiving connector is attached to a base end of the power supply cable so as to be connectable to an external power supply cable via the power receiving connector, and the power receiving connector and the power supply input connector on the electric device have the same standard. The swivel unit according to claim 1.