JP2002255456A - Non-contact type cable takeup device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a non-contact type cable takeup device allowing the cable ends to be movable and capable of being accommodated in a casing. SOLUTION: The non-contact type cable takeup device to take up cables connecting apparatuses with one another and accommodate in a case includes a plurality of takeup device units 7 laid one over another in such an arrangement that the cables are wound round upon being partitioned into a movable side cable 20/37 and a stationary side cable 21/28 and that the movable side cable 20/37 is pulled out and connected with the apparatus, and the stationary side cables 21/28 of the takeup device units 7/8 laid one over another are connected by one cable, and the units 7/8 can be operated independently.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a contactless cable winding device used for connecting electric equipment, and more particularly to a contactless cable winding device excellent in workability and storage.

[0002]

2. Description of the Related Art FIG. 8 shows a conventional cable winding device for connecting electric equipment. In the figure, reference numeral 50 denotes a cable winding device, which is used, for example, for LAN connection.

The cable winding device 50 includes an upper case 5
1 and a lower case 52, a cylindrical portion 54 formed at the center of the housing 53, and a first disk portion 55 and a second disk portion formed outside the cylindrical portion 54 as a center. 56
And a spring portion 57 that urges the first disk portion 55 and the second disk portion 56 so as to be rotatable in one direction at a lower portion of the first disk portion 55 around the column portion 54. I have. The first disk portion 55 is provided with a first partition wall 58, and a drawer cable 59 is wound around the partition wall 58 toward the outside and housed. The second disk portion is provided with a second partition wall 60, and the non-pull-out cable 61 extends outward from the second partition wall 60 as a center.
Is wound. A hole (not shown) is formed in the first disk portion 55 near the central axis, and the lead cable 59 and the non-lead cable 61 are connected by a single cable.
The lead cable 59 projects as a lead cable end 62 from a hole (not shown) provided on one side of the housing 53. The non-pull-out cable 61 is drawn out of the case 53 as a non-pull-out cable end 63 from a hole (not shown) provided on one side of the case 53. Cable end 62
When the extraction cable 59 is pulled out from the cable, the non-extraction cable 61 is loosened outward to prevent the cable from being twisted. With such a configuration, when used for LAN connection, the extraction cable 59 extracted from the extraction cable end 62 is connected to, for example, a personal computer, and the fixed cable end 6 is connected.
Reference numeral 3 is used by connecting to a device such as a printer.

[0004]

However, in the conventional cable winding device 50, it is possible to draw out the movable pull-out cable 59, but the non-draw-out cable 61 is used.
Was fixed and the cable ends could not be pulled out. For this reason, the length of the cable to be drawn out is adjusted only by the cable 59 when connecting the electric devices. In addition, since the non-extracting cable end 63 could not be stored inside the cable winding device 50, if the non-extracting cable end 63 is long, the non-extracting cable The ends 63 had to be bundled.

[0005] Further, since the undrawn cable end 63 could not be wound into the cable winding device 50, it was always exposed to the outside of the cable winding device 50. The cable is more severely damaged than the movable cable 59 stored in
In particular, when used for communication, there is a problem that transmission characteristics are deteriorated.

An object of the present invention is to provide a non-contact type cable winding device in which both ends of a cable are movable and can be stored in a housing.

[0007]

In order to achieve the above object, a contactless cable winding device according to claim 1 is provided.
In a contactless cable winding device for winding and storing a cable connecting between devices in a case, the cable is partitioned into a movable side cable and a fixed side cable and wound, and the movable side of the cable is The winding device adapted to pull out the cable and connect to the device is stacked in several stages, and the fixed side cable of the winding device stacked in the several stages is connected with one cable, The stacked winding devices are configured to operate independently and individually. As described above, according to the first aspect of the present invention, it is possible to form a non-contact type cable winding device in which both ends of the cable are movable, a plurality of cables can be pulled out, and the cables can be stored in the housing. it can.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a contactless cable winding device according to an embodiment of the present invention. FIG. 1 is an overall perspective view showing an embodiment of a contactless cable winding device according to the present invention, and FIG.
FIG. 3 is an exploded perspective view showing the contactless cable winding device shown in FIG. 1, and FIG. 4 is a first movable cable wound around the first winding device shown in FIG. FIG. 5 is a plan view of the first winding device showing a state in which all the first movable cables in FIG. 4 are pulled out, and FIG. 6 is a plan view of the second movable cable shown in FIG. FIG. 7 is a plan view of the second winding device in a state in which all the second movable cables in FIG. 6 are pulled out.

In FIG. 1, reference numeral 1 denotes a contactless cable winding device, which has a housing 4 formed by engaging an upper case 2 and a lower case 3 with bolts (not shown). From this housing 4, the first movable cable 5 and the second movable cable 6
Are drawn out.

The housing 4 has a first winding device 7 for winding the first movable cable 5 and a second winding device 8 for winding the second movable cable 6. It is formed in two layers by a rectangular partition plate 9 provided between the take-up device 7 and the second take-up device 8.

The first winding device 7 provided on the upper case 2 has the following configuration. A first movable cable outlet 10 is provided on a side surface of the upper case 2, and the first movable cable 5 is drawn out of the housing 4 from the first movable cable outlet 10.
The partition plate 9 that separates the upper case 2 and the lower case 3
Formed between the side surface 11 and the side surface 12 of the housing 4,
An insertion port 13 which is a through hole is provided at the center of the partition plate 9, and at a position where the insertion port 13 is provided,
Small projections 14 are formed.

A first winding device 7 is provided on the partition plate 9. The first winding device 7 is provided with a first disk portion 15 formed in a disk shape, and houses the first movable cable 5. The first disk portion 15 has a rotating shaft 16
Is provided, the small projection 14 and the rotating shaft 16 are rotatably engaged, and the first disk portion 15 is provided between the first disk portion 15 and the partition plate 9 by a first spring. The portion 17 urges the first movable cable 5 in a direction opposite to the rotation direction when the first movable cable 5 is pulled out.

The first disk unit 15 of the first winding device 7
The partition wall 18 is concentric with the outer edge of the first disk portion 15.
Is provided. A hole 19 through which the first movable cable 5 can be inserted is formed in the partition wall 18, and the first movable cable 5 is divided into a movable cable 20 and a fixed cable 21 with the hole 19 as a boundary. And
The movable side cable 20 is connected to the partition wall 18 as shown in FIG.
The fixed side cable 21 is wound around the inner peripheral surface 23 of the partition wall 18. That is,
The movable side cable 20 and the fixed side cable 21 are separated from the partition wall 1.
It is divided by eight.

In a hole 19 provided in the partition wall 18, a locking portion (not shown) having a convex cross section for locking a boundary portion between the movable cable 20 and the fixed cable 21 of the first movable cable 5 is provided. The movable side cable 20 is formed as shown in FIG.
Fixed cable 2 even if all the cables are pulled out.
1 is not drawn out.

At the approximate center of the top plate 24 of the upper case 2,
A cylindrical fixed-side cable winding portion 25 is formed so as to come over a cable insertion port 26 provided in the disk portion of the reel portion.

The fixed-side cable winding section 25 has a notch 27 formed therein. Then, the fixed side cable 21 is formed in the notch 27, the hollow portion of the fixed side cable winding section 25, the inside of the small projection 14 rotatably engaged with the rotating shaft 16, and the partition plate 9. Insertion port 1
3 and is connected to a fixed-side cable 28 in the lower case 3.

The second winding device 8 housed in the lower case 3 has the following configuration. The second winding device 8 is provided below the partition plate 9 and is a device for winding the second movable cable 6. The second winding device 8 has a second disk portion 31 provided around a small projection 30 provided at the center of the lower case 3 as an axis,
The second disk portion 31 of the second winding device 8 is provided with a cylindrical rotary shaft 32 at a substantially central portion thereof, and at a position where the rotary shaft 32 of the second disk portion 31 is provided. The hole 33 is provided so as to penetrate the hollow portion of the rotating shaft 32. The rotating shaft 32 of the second disk portion 31 is rotatably engaged with the small cylindrical protrusion 30 formed on the bottom plate 29, and is provided between the second disk portion 31 and the bottom plate 29. The second movable cable 6 is urged by the second spring portion 34 in a direction opposite to the rotation direction in which the second movable cable 6 is pulled out.

The second disk portion 31 of the second winding device 8
The partition wall 35 is concentric with the outer edge of the second disk portion 31.
Is provided. A hole 36 through which the second movable cable 6 can be inserted is formed in the partition wall 35, and the second movable cable 6 is divided into a movable-side cable 37 and a fixed-side cable 28 with the hole 36 as a boundary. . The movable cable 37 is wound around the outer peripheral surface 38 of the partition wall 35 as shown in FIG.
Is pulled out through a second movable cable outlet 39 provided on the side surface of the lower case 3, and the fixed side cable 28
Is wound around the inner peripheral surface 40 of the partition wall 35. That is, the movable cable 37 and the fixed cable 28 are separated by the partition wall 35. The hole 36 has a movable cable 37 and a fixed cable 28 of the second movable cable 6.
A locking portion (not shown) having a convex cross section for locking the boundary portion is formed, and the fixed-side cable 28 is not pulled out even when all the movable-side cables 37 are pulled out as shown in FIG. It has become.

The operation of the first winding device 7 of the contactless cable winding device 1 configured as described above is shown in FIG.
A description will be given based on FIG. As shown in FIG. 4, when it is desired to extend the movable side cable 20 from a state where the movable side cable 20 of the first movable cable 5 is completely wound around the partition wall 18, the movable side cable 20 is pulled out. When the movable cable 20 is pulled out, the first winding device 7 rotates in the direction of the arrow against the urging force of the first spring portion 17. The fixed-side cable 21 wound around the inner peripheral surface 23 of the partition wall 18
When the movable cable 20 is completely pulled out through the first movable cable outlet 10 shown in FIG. 3, the fixed cable 21 is The cable is completely wound around the fixed-side cable winding unit 25 in the minimum diameter reduced state.

On the other hand, the pulled out movable side cable 20
Is wound on the outer peripheral surface 22 of the partition wall 18 of the first winding device 7 by rotating the first winding device 7 in the direction opposite to the arrow shown in FIG. 4 by the urging force of the first spring portion 17. Can be At this time, the fixed-side cable 21 that has been wound by the fixed-side cable winding section 25 gradually expands in diameter and is wound around the inner peripheral surface 23 of the partition wall 18. When the movable-side cable 20 is completely wound, the fixed-side cable 21 is completely wound around the inner peripheral surface 23 of the partition wall 18 as shown in FIG. With such a configuration, the torsion of the fixed-side cable 21 that occurs when the fixed-side cable 21 is pulled out is prevented.

Next, the operation of the second winding device 8 of the contactless cable winding device 1 will be described with reference to FIGS. When it is desired to extend the movable cable 37 from the state where the movable cable 37 of the second movable cable 6 is completely wound around the partition wall 35 as shown in FIG. Movable cable outlet 3
Withdraw through 9. When the movable cable 37 is pulled out, the second winding device 8 rotates in the direction of the arrow against the urging force of the second spring portion 34. And the inner peripheral surface 4 of the partition wall 35
When the fixed-side cable 28 wound around 0 is gradually taken up by the fixed-side cable take-up portion 41 and the movable-side cable 37 is completely pulled out, the fixed-side cable 28 has the minimum diameter as shown in FIG. In this state, the cable is completely wound around the fixed-side cable winding section 41.

On the other hand, the movable cable 37 pulled out
Is wound around the outer peripheral surface 38 of the partition wall 35 of the second winding device 8 by the rotation of the second winding device 8 in the direction opposite to the arrow shown in FIG. 6 by the urging force of the second spring portion 34. Can be At this time, the fixed-side cable 28 that has been wound by the fixed-side cable winding section 41 gradually expands in diameter and is wound around the inner peripheral surface 40 of the partition wall 35. When the movable cable 37 is completely wound, the fixed cable 28 is completely wound around the inner peripheral surface 40 of the partition wall 35 as shown in FIG. With such a configuration, the torsion of the fixed-side cable 28 that occurs when the fixed-side cable 28 is pulled out is prevented.

According to the contactless cable winding device 1 configured as described above, the movable cable 20 of the first movable cable 5 that connects the first movable cable 5 to a device (not shown) is connected to the first movable cable 5. The length of the first movable cable 5 can be freely changed as needed by pulling it out or winding it up from the winding device 7. Therefore,
When the device is to be moved, the movable cable 20 may be pulled out to a required length. The same applies when connecting the second movable cable to a device (not shown) by pulling out or winding the movable cable 37 of the second movable cable 6 from the second winding device 8. The length of the second movable cable 6 can be freely changed as needed.

Further, since the first winding device and the second winding device are configured independently of each other, the first movable cable of the first winding device and the second movable cable of the second winding device are provided. Can be connected to an electric device or the like, respectively, and each movable cable can be pulled out or wound up by a required length.

[0025] Even if it is intended to add equipment, an extra winding device that is not connected to the equipment at the time of laying the cable is provided in advance. If it is necessary to extend the number of devices, a movable-side cable having a required length may be pulled out and connected to the devices. Therefore, when moving or adding equipment, cable replacement,
There is no need for additional work, and the equipment can be easily moved and expanded.

Further, since the first winding device 7 and the second winding device 8 are housed in the housing 4, the size of the contactless cable winding device 1 can be reduced, and the contactless cable can be reduced. Carrying of the winding device 1 is also facilitated.

The non-contact type cable winding device 1 is not limited to the above-described structure, but can wind a movable cable, and can connect the fixed side cable 21 of the first winding device 7 with the second cable 21. Any configuration may be used as long as the fixed-side cable 28 in the two-winding device 8 is connected by a single cable. Although two cable winding mechanisms are provided in the present embodiment, the number is not limited to two.

[0028]

As described above, according to the first aspect of the present invention, the conventional fixed cable is made a movable cable, so that both ends of the cable can be housed in the housing, thereby preventing damage to the cable. And stable transmission characteristics of the cable can be obtained. Further, it is not necessary to bundle the cables when carrying the contactless cable winding device.

Further, both ends of the cable can be made movable with a thinner structure than in the case of stacking several conventional cable winding devices.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing one embodiment of a contactless cable winding device according to the present invention.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is an exploded perspective view showing the contactless cable winding device shown in FIG. 1;

FIG. 4 is a plan view showing a state where the first movable cable is wound around the first winding device shown in FIG. 2;

FIG. 5 is a plan view of the first winding device showing a state in which all first movable cables are pulled out.

FIG. 6 is a plan view showing a state where the second movable cable is wound around the second winding device shown in FIG. 2;

FIG. 7 is a plan view of the second winding device showing a state where all the second movable cables are pulled out.

FIG. 8 is a sectional view showing a conventional cable winding device.

[Explanation of symbols]

 1 Non-contact cable winding device 7 First winding device 20, 37 Movable cable 21 , 28 …………… Fixed side cable

Claims (1)

[Claims] 1. A contactless cable winding device for winding and storing a cable connecting between devices in a case,
The cable is divided into a movable-side cable and a fixed-side cable and wound, and a winding device configured to pull out the movable-side cable of the cable and connect to a device is stacked in several stages. The fixed side cables of the winding devices stacked in several stages are connected by a single cable, and the stacked winding devices are configured to operate independently and individually. Contactless cable winding device.