JP2821978B2 - Subrack with cord alignment shelf - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a subrack for accommodating a plurality of units, and more particularly, to a subrack for fixing a cable to a subrack and having a cord arrangement shelf for arranging cords and connecting to a unit. It is about subrack.

In order to mount units used in the field of communication technology, a plurality of units are housed in a subrack, and a cord is connected using a connector. It is necessary to arrange the wires so that the minimum bending radius can be maintained.

[0003] Conventionally, the space required for cord alignment is reduced by using a cord alignment shelf that is arranged so as to be able to slide the cord in the front-rear direction while holding and aligning the cord. At this time, the cable in which the cords are gathered can be fixed to the subrack, eliminating the need for a dedicated locker for straightening, making it a wall-mounted or desktop subrack. Is required to be able to be realized.

[0004]

2. Description of the Related Art FIG. 3 shows an example (1) of a structure of a conventional subrack for mounting a unit, and shows a case in which a slide type cord aligning shelf is provided. In the figure, 1 indicates a locker, and 2 indicates a subrack housed in the locker 1. The subrack 2 is configured to accommodate a plurality of units 3.

Each unit 3 is provided with a receptacle 4 for inputting and outputting signals. Reference numeral 5 denotes a connector connected to each receptacle 4, to which a cord 6 is connected. The cords 6 are assembled and accommodated in a cord duct 8 formed by a rocker support side plate 7.

Reference numeral 9 denotes a cord straightening shelf, which is a subrack 2
And is configured to be able to slide back and forth along the guide plate 10. When the cord straightening shelf 9 slides forward, the locking portion 11 provided at the rear thereof is
It is limited by hitting a stopper portion 12 provided on the upper part of the subrack 2.

A plurality of extra cord clamps 13 are provided on the upper surface of the cord straightening shelf 9 so that the extra length of each cord 6 up to the cord duct 8 can be loosely wound. ing. When the cord straightening shelf 9 is pulled out to the front of the rocker support side plate 7, the cord collecting portion 1
4 so as not to hinder the movement of the slit groove 15.
A and 15B are provided.

[0008] In order to maintain the performance of the cord, there is a type in which a minimum bending radius is specified, and in some cases, it is not allowed to bend too small. For this reason, the cord alignment shelf 9 and the extra cord clamp 13 are provided so that the cord can be held in such a state.

[0009] However, the subrack 2 is almost always mounted on a locker. In such a case, there is another subrack or another panel on the upper part of the cord aligning shelf 9, and the extra length portion of the cord is provided with the extra length clamp 13 It is difficult to perform the work of winding around.

For this reason, the cord aligning shelf 9 is made slidable so that work can be carried out in a state of being pulled out forward, and can be returned to the original position at the end. At this time, in order to prevent the cord collecting portion 14 from being deformed by hitting the rocker support side plate 7, the slit grooves 15A, 1
5B is provided.

In the example shown in FIG. 3, the cable is fixed by a cable fixing portion (not shown) provided on the upper or lower part of the locker, or a dedicated cable connecting portion provided adjacently. Done in the locker,
The cable is disassembled into cords and then mounted on the subrack.

FIG. 4 shows an example (2) of the structure of a conventional unit mounting subrack, showing a case in which another method of arranging extra code lengths is employed. The same items are indicated by the same numbers. Reference numeral 16 denotes a line shelf, on which a plurality of extra cord processing cases 17 are provided. The extra cord length processing case 17 has a plurality of extra cord length clamps 13 similar to that shown in FIG. 3 thereon, and the cord 6 is processed in the same manner as in the embodiment of FIG. It can be accommodated.

In the example shown in FIG. 4, a plurality of extra cord length processing cases 17 accommodate
6, the cords can be stacked and accommodated obliquely, and the cords are processed sequentially from the lower cord excess length processing case with the upper cord excess length processing case removed, and stacked. Has become.

For this reason, in order to protect the cord, the aligning shelf 16 needs to have a certain height.
Is set to 200 mm to 300 mm. In this case, the cable is fixed in a part of the locker 1.

FIG. 5 shows an example (3) of the structure of a conventional unit mounting subrack, in which the code is mounted on the back of the unit on the back of the locker. (a) is a side view and (b) is a rear view. The same parts as those in FIG. 4 are indicated by the same numbers, and 18 is a front door of the locker 1, and the unit 3 is configured to be inserted into the subrack 2 from the front with the front door 18 opened. I have.

Reference numeral 19 denotes a rear door of the locker 1. The connection of the connector 5 to the unit 3 is performed with the rear door 19 opened, and in this state, the cords 6 are aligned on the aligning shelf 16. Reference numeral 20 denotes a cable, a part of which is fixed to the side surface 21 of the locker, and is separated from the cords 6 on the liner shelf 16 through a cord collecting portion 14 from here.

In the case of the example shown in FIG. 5, the aligning shelf 16 for the extra length of the cord must be provided inside the locker 1, and therefore, a dedicated locker must be used. In addition, it is necessary to secure a work area behind the locker 1.

Further, when the front door 18 of the locker 1 is opened, it is unknown whether or not the connector 5 is inserted into each unit 3. Therefore, there is a possibility that the unit 3 may be pulled out with the cord 6 still connected. Because there is, unit 3
It is necessary to provide a pull-out prevention mechanism for the unit 3 on the surface of the device or at another place.

[0019]

As described above, in the conventional unit mounting subrack, it may be necessary to use a dedicated locker, or to provide a cord extra length processing case for fixing a cable. Needed a lot of space inside the locker. Furthermore, when pulling out the cord straightening shelf, it is necessary to fix the cable away from the subrack in order to prevent deformation of the cord leading to the cord straightening shelf. There is a problem that a dedicated locker for connection is required.

The present invention is intended to solve such a problem of the prior art, in which a sub-rack accommodating a unit is provided with a cord aligning shelf for fixing a cable and a cable moving mechanism. This allows the cable to be secured to the subrack, eliminates the need for dedicated lockers, and reduces the space required for mounting the subrack, thus making it a wall or tabletop type It is an object of the present invention to provide a subrack with a cord-aligned shelf, which can not only make it possible but also increase the number of units that can be accommodated.

[0021]

According to the present invention, a cord aligning shelf is provided.
Subrack is connected to cord 6 via connector 5
Subrack 2 that accommodates a plurality of units 3
To adjust the extra length of the code 6 corresponding to the plurality of units 3.
While holding it, and slide it on the upper surface of the subrack 2.
And the slide range is defined by the stopper.
Cord alignment shelf 9 and the cord holding shelf 9
The extension of the cord 6 is moved by the clamp
4 and slide the cord aligning shelf 9
With the extended portion of the slide 6 held,
The slide rail 32 provided so that the
And a cord support device 36 fixed to the side of the
I have.

[0022]

The subrack to be used in the present invention is capable of accommodating a plurality of units 3 to which the cord 6 is connected via the connector 5.

In such a subrack 2, a cord aligning shelf 9 is provided to align and hold the cords from the respective units, and this cord aligning shelf 9 is
To be slidable in the front-rear direction.

A slide tool 34 having a slide rail 32 fixed to the subrack 2 and a clamp 35 slidably mounted on the slide rail 32.
Is provided, and the cord collecting portion 14 in the middle between the cord straightening shelf 9 and the cable 20 where the cords are gathered is supported by the slide member 34 having the clamp 35.

Therefore, in a state where the cable 20 is fixed to the subrack 2, the cord collecting portion 14 moves in accordance with the sliding of the cord straightening shelf 9, so that the cord can always maintain the prescribed minimum bending radius. It is possible to

As described above, according to the present invention, the cable can be fixed to the subrack and the cord can be aligned, so that there is no need for a dedicated locker that takes account of the cord alignment. Since it is not necessary to arrange the cords in the locker or in another locker, the subrack can be configured as a wall-mounted type or a table type.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to FIGS. FIG. 1 shows a state in which a cord straightening shelf according to one embodiment of the present invention is stored, and FIG. 2 shows a state in which the cord straightening shelf according to one embodiment of the present invention is pulled out. The same components as those in FIGS. 3 to 5 are denoted by the same reference numerals, and detailed description will be omitted.

The cord alignment shelf 9 provided above the subrack 2 slides back and forth along a stopper slit 26 with respect to a stopper 25 fixed to the subrack 2, so that It is configured so that it can be pulled forward.

A plurality of extra cord length clamps 13 are provided on the upper part of the cord straightening shelf 9, whereby the extra length up to the cord collecting portion 14 of each cord 6 can be loosely wound. It has become. The cord collecting part 14 is fixed to the cord straightening shelf 9 by a cord fixing member 27.

The cable 20 is fixed by a cable fixing member 28 to a cable fixing base 29 which forms a part of the subrack 2. The tension member 30 of the cable 20 is fixed by a tension member fixture 31.
It is fixed to the cable fixing base 29.

A slide rail 32 is provided on a side surface of the subrack 2, and a slide groove 3 provided on the slide rail 32 is provided.
Along slide 3, a slide 34 is slidably mounted. The cord collecting portion 14 is fixed to the slide member 34 by the clamp 35.

When the cord aligning shelf 9 is slid forward, the cord collecting section 14 moves in accordance with the sliding of the slide member 34. Therefore, the cord collecting section 14 is fixed to the subrack 2 by the cable. From 20, it is possible to move while gently deforming.

When there is no other panel at the upper part of the cord straightening shelf 9 when the cord straightening work is performed, the work is carried out with the cord straightening shelf stored as shown in FIG. It can be performed. However, when there is no space above the cord straightening shelf 9, the work must be performed with the cord straightening shelf pulled out as shown in FIG.

In this case, the cord collecting unit 14 moves with the cord straightening shelf 9 moving forward, thereby preventing the cord from being suddenly deformed. Therefore, when the present invention is applied, since the cable 20 can be fixed in the vicinity of the subrack 2 or to the subrack itself, there is no need to use a dedicated locker for arranging cords, Can reduce the space required for the alignment of the code in.

[0035]

As described above, according to the present invention, a sub-rack for accommodating a plurality of units is provided with a cord straightening shelf for fixing cables, and a cable moving mechanism is provided. It can be fixed in the vicinity of the black or on the subrack itself.

According to the present invention, for code alignment,
It is not necessary to use a dedicated locker, or it is possible to reduce the space required for the alignment of the cord, and therefore, a subrack that houses a plurality of units,
This has the advantage that not only can it be wall-mounted or table-top, but also the number of units that can be accommodated can be increased.

[Brief description of the drawings]

FIG. 1 is a diagram showing a state in which a cord straightening shelf according to an embodiment of the present invention is stored.

FIG. 2 is a view showing a state in which a cord straightening shelf according to one embodiment of the present invention is pulled out.

FIG. 3 is a diagram showing an example (1) of a structure of a conventional unit mounting subrack.

FIG. 4 is a view showing an example (2) of the structure of a conventional unit mounting subrack.

5A and 5B are diagrams showing an example (3) of the structure of a conventional unit mounting subrack, wherein FIG. 5A is a side view and FIG. 5B is a rear view.

[Explanation of symbols]

 2 Subrack 3 Unit 5 Connector 6 Cord 9 Cord straightening shelf 14 Cord collection part 20 Cable 32 Slide rail 34 Slide tool 35 Clamp 36 Cord support device

Continuation of the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) H05K 7/00 H05K 7/02 H05K 7/18

Claims (1)

(57) [Claims] 1. Cord (6) via connector (5)
In the subrack (2) accommodating a plurality of units (3) to be connected to the unit (3), the extra length of the cord (6) corresponding to the plurality of units (3)
While keeping the parts aligned, the subrack
(2) Slide on the top surface and slide with stopper.
A code aligning shelf (9) having a defined ride range and the cord (6) held on the cord aligning shelf (9).
Sliding tool (34) with extension part by clamp (35)
With the slide of the cord straightening shelf (9)
While holding the extension of the cord (6),
A slide rail provided with a slidable tool (34)
(32), said subrack code wire arrangement with a shelf subrack, characterized in that a cord supporting device which is fixed to the side of (2) (36).