JP2003110261A - Front plate of communication unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the front plate of a communication unit in which a blank plate requiring a troublesome management can be eliminated. SOLUTION: In the body case 11 of a unit body 10, rails 12a and 12b for sliding and securing a front plate 20 and an angular hole 13 are provided. On the other hand, the front plate 20 is provided with rails 22a and 22b corresponding to the rails 12a and 12b, a leaf spring 23 corresponding to the angular hole 13 and a stopper 24. The unit body 10 and the front plate 20 are thereby secured removably. Since the front plate 20 can be used as a blank plate by removing the unit body 10 of a communication unit, a dedicated blank plate can be eliminated.

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a front panel of a communication device unit mounted on a unit shelf of a communication device rack. 2. Description of the Related Art FIG. 2 is an external view showing an example of the configuration of a conventional communication device. This communication device has a plurality of unit shelves 2 mounted on a device rack 1. A fan unit 3 for forced air cooling for discharging the internal air is fixed to the ceiling of the apparatus frame 1, and a ventilation hole 4 for taking in external air is provided at a lower portion of the side surface. [0003] Each unit shelf 2 is for mounting a communication device unit 5 such as a communication line board in a horizontal direction.
The front surface is opened for inserting these communication device units 5, and the upper and lower frames on the front surface are provided with a plurality of screw holes for fixing the communication device units 5. Also,
On the rear surface of the unit shelf 2, a connector (not shown) for electrically connecting each communication device unit is provided. On the other hand, each communication device unit 5 has a structure in which a front plate 5b, which is slightly larger than the main body case 5a, is fixed to a main body case 5a in which a printed circuit board or the like is housed. Then, the main body case 5a of the communication device unit 5 is inserted from the front of the unit shelf 2, and the front panel 5
b is fixed to the upper and lower frames of the unit shelf 2 with screws. In such a communication device, generally, the number of mountable communication device units does not match the number of mountable communication device units, and an empty space is generated on the unit shelf 2. In addition, a predetermined number of empty spaces may be secured in advance in consideration of future expansion. In such a case, a blank plate 6 having the same size as the front plate 5a of the communication device unit 5 is prepared in an empty space of the unit shelf 2 and fixed to the upper and lower frames of the unit shelf 2 with screws. As a result, the opening of the empty space of the unit shelf 2 is closed, so that the effect of forced air cooling by the fan unit 3 can be enhanced, and the intrusion of dust into the apparatus frame 1 can be prevented. [0007] However, the conventional communication device has the following problems. That is, when the communication device unit 5 is added, the blank plate 6 is removed, the additional communication device unit 5 is inserted in its place, and the front plate 5 a of the communication device unit 5 is screwed to the unit shelf 2. The removed blank plate 6 is discarded or stored for future reuse. Therefore, there is a problem that management of disposal and storage is troublesome. The present invention solves the problems of the prior art and provides a front panel of a communication device unit which does not require a blank board which is troublesome to manage. [0009] In order to solve the above-mentioned problems, the present invention provides a communication device having a unit body provided with rails and fixing holes, and mounted in parallel on a unit shelf. A front plate fixed to the unit, provided corresponding to the rail, a sliding portion for fitting and sliding on the rail, and when the sliding portion is fitted on the rail and slid to a predetermined position; A fixing portion having an elastic piece fitted into the fixing hole by an elastic force; and a mounting portion for fixing to the unit shelf. According to the present invention, since the front panel of the communication device unit is configured as described above, the following operation is performed. When mounting the communication device unit on the unit shelf, the sliding portion of the front plate is fitted and slid on the rail of the unit body. When the front plate is slid to a predetermined position, the fixing portion is fitted and fixed to the fixing hole on the unit body side by elastic force. The communication device unit assembled in this manner is mounted on a unit shelf and the mounting portion of the front plate is fixed by screws or the like, thereby completing the mounting. In the empty space of the unit shelf, only the front plate to which the unit body is not fixed is attached as a blank plate. 1 (a) and 1 (b) are external views of a communication device unit showing an embodiment of the present invention. FIG. 1 (a) is an assembly diagram and FIG. b) is an exploded view. This communication device unit is mounted on the unit shelf 2 of FIG. 2 and includes a unit main body 10 and a front plate 20 that can be detachably attached to the unit main body 10. The unit main body 10 has a main body case 11 containing a printed circuit board (not shown) and the like. The main body case 11 is, for example, an iron plate having a thickness of 1 mm and a length of 25 cm.
The main body case 11 has two rails 12a and 12b for mounting the front plate 20 on a surface corresponding to the front surface of the main body case 11.
, And one square hole 13 is provided. The rails 12a and 12b are
The iron plate is punched out and formed into a hook shape, and a sliding portion on the front plate 20 side is fitted and slid, and is held at a predetermined position. The square hole 13 is used to fit a fixing portion on the front plate 20 side so as to fix the front plate 20 so as not to shift from a predetermined position. On the other hand, the front plate 20 is formed to be slightly larger than the front of the main body case 11 and has, for example,
rectangular iron plate 21 mx 10 cm wide x 1.5 mm thick
Further, rails 22a and 22b serving as sliding portions, and a leaf spring 23 and a stopper 24 serving as fixed portions are attached thereto. The rails 22a and 22b are respectively connected to the main body case 11
The front plate 20 is formed in a hook shape so as to be fitted with the side rails 12a and 12b, and can be held at a predetermined position of the main body case 11 by sliding. The stopper 24 is for stopping the front plate 20 slid by the rail at a predetermined position. When the front plate 20 is stopped at a predetermined position of the main body case 11 by the stopper 24, the leaf spring 23 is fitted into the square hole 13 on the main body case 11 side by the elastic force of the spring and fixed so as not to return. Things.
At the upper and lower portions of the front plate 20, mounting portions for fixing to the unit shelf 2, for example, screws 25a and 25b are provided. Next, a method of mounting the communication device unit will be described. When such a communication device unit is mounted on a unit shelf of a communication device, first, the rails 22a and 22b of the front plate 20 are fitted to the rails 12a and 12b of the main body case 11 and slid. When the front plate 20 is slid to a predetermined position, the stopper 24
And the leaf spring 23 is fitted and fixed in the square hole 13 by the force of the spring. Thus, the communication device unit is assembled. Next, the assembled communication device unit is inserted into an empty space of the unit shelf, and the upper and lower screws 25a and 25b of the front plate 20 are screwed into the upper and lower screw holes of the unit shelf. Further, in the empty space where the communication equipment unit is not mounted in the unit shelf, only the front plate 20 is attached as a blank plate. Thereby, the front surfaces of the unit shelves are all closed by the same front plate 20. The front plate 20 to which the unit body 10 is attached, that is, the communication device unit can be distinguished from the blank plate by attaching a label indicating the unit number or the like. When adding a communication device unit, first, a unit body 10 for addition is prepared. Next, the front plate 20 attached as a blank plate to the empty space of the unit shelf is removed, and the detached front plate 2 is removed.
A communication device unit is configured by combining the unit unit 10 for the extension with the unit unit 10 prepared. Further, the assembled communication device unit is mounted in an empty space of the unit shelf. When the communication device unit is to be removed, the communication device unit to be removed from the unit shelf is removed, and the front plate 20 is moved along the rails 12a and 12b while pushing the leaf spring 23 out of the square hole 13 of the main body case 11. Slide. After the unit body 10 and the front plate 20 are separated, only the front plate 20 is attached again to the original location of the unit shelf as a blank plate. As described above, since the communication device unit of the present embodiment is configured such that the unit main body 10 and the front plate 20 are detachable, the front plate 20 can be used as a blank plate. That is, only the front plate 20 can be mounted as a blank plate in the empty space of the unit shelf. Thereby, there is an advantage that a dedicated blank plate is not required, and management of disposal and storage of the blank plate is not required. Further, the unit body 10 and the front plate 20 are
Since the rail 12a and the like, the leaf spring 23, and the stopper 24 are detachably fixed, there is an advantage that assembly and disassembly can be performed without tools. Note that the present invention is not limited to the above embodiment, and various modifications are possible. For example, there are the following modifications. (A) The dimensions and materials of the main body case 10 and the front plate 20 are as follows.
It is not limited to the illustrated one. (B) The shapes and arrangements of the rails 12a, 12b, 22a and 22b provided on the main body case 10 and the front plate 20 are not limited to those illustrated. (C) Screws 25a and 25b for mounting on the unit shelf are mounted on the upper and lower sides of the front plate 20, but only holes for screwing are provided, and screws separately prepared for mounting are provided. You may use it. (D) The front plate 20 is provided with a stopper 24. If the plate spring 23 is configured to stop the left and right movement when fitted into the square hole 13, the stopper 24 is Not required. As described above in detail, according to the present invention, the front plate of the communication device unit is provided with a sliding portion for fitting and sliding on the rail on the unit body side, and the unit. It has a fixing portion that fits into the fixing hole on the main body side by elastic force and is fixed at a predetermined position. This allows the front plate and the unit main body to be freely separated, so that the front plate can be mounted as a blank plate in an empty space where the communication device unit is not mounted. As a result, there is an effect that a dedicated blank plate becomes unnecessary, and management of disposal and storage of the blank plate becomes unnecessary. Further, there is an effect that the unit main body and the front plate can be assembled and disassembled without requiring tools.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external view of a communication device unit according to an embodiment of the present invention. FIG. 2 is an external view illustrating a configuration example of a conventional communication device. [Description of Signs] 10 Unit body 11 Body cases 12a, 12b Rail 13 Square hole 20 Front plate 21 Iron plates 22a, 22b Rail 23 Leaf spring 24 Stoppers 25a, 25b Screw

Claims (1)

1. A front plate having a unit main body provided with a rail and a fixing hole, the front plate being fixed to a communication device unit mounted in parallel on a unit shelf, wherein the rail is provided. A sliding part provided for the slide rail for fitting and sliding on the rail; and when the sliding part is fitted on the rail and slid to a predetermined position, fitted to the fixing hole by elastic force. A front plate of a communication device unit, comprising: a fixing portion having an elastic piece to be fixed; and a mounting portion for fixing to a unit shelf.