KR20070008945A - Fiber terminal case - Google Patents

Abstract

An optical terminal case is provided to easily separate and connect an optical terminal from/to an adapter holder by vertically moving up and down an adapter holder and fixing the adapter holder in a desirable position while the adapter holder is moving. An optical terminal case includes an adapter holder(30) erectly disposed on a portion adjacent to an inner wall(10a) of a case body(10) and having an adapter support hole(32a) formed on the center to support plural adapters(20), and an optical fiber cord(40) having an optical terminal(42) connected to/separated from the adapter of the adapter holder. The adapter holder comprises a holder body(32) disposed in the center of the adapter support hole and provided with sliding plates(32b) at both ends, and a support bracket(34) equipped with a support plate(34a) contacted with the sliding plate of the holder body and fixed to the case body to guide the vertical up/down motions of the sliding plate.

Description

Fiber terminal case {Fiber terminal case}

1 is a perspective view showing an optical terminal box according to the prior art.

2 is a perspective view showing an optical terminal box according to the present invention.

Figure 3 is a schematic side cross-sectional view showing an adapter holder of the optical terminal box according to the present invention.

** Description of the symbols for the main parts of the drawings **

1: main body case 2: cover

3: adapter 4: adapter holder

5: fiber optic cord 5a: optical connector

6: storage plate 10: main body case

10a: inner wall 12: cover

20: adapter 30: adapter holder

32 holder body 32a adapter support hole

32b: sliding plate 32c: guide protrusion

32d: fixing hole 34: support bracket

34a: support plate 34b: guide ball

34c: fixing hole 34d: attachment piece

36: fixture 40: optical fiber cord

42: optical connector 50: storage plate

60: fastener

The present invention relates to an optical terminal box, and more particularly, to facilitate the separation and connection of the optical connector to the adapter holder by allowing the adapter holder to be lifted up and down and at the same time to secure the adapter holder in the desired position during the lift. It is about the optical terminal box.

In general, with the development of network communication such as the Internet, and as a transmission medium for transmitting a large amount of data such as video and voice, optical communication systems using optical fibers are widely used.

There are various types of optical cable such as loose tube type and ribbon type. Especially, loose tube type optical cable used in subscriber network premises and distribution points requiring large-capacity high-speed communication is used for galvanized stiffness or FRP. It consists of a tube-shaped inner sheath and an outer sheath coated with black polyethylene using a jelly compound and a loose tube made of thermoplastic compound.

On the other hand, in order to configure the optical subscriber cable network is installed in the interior and exterior walls or telephone poles of the optical subscriber is an optical terminal box as a subscriber terminal device necessary to perform the connection and distribution function between the external optical path and the subscriber transmission module.

 This optical terminal box will be described with reference to FIG. 1.

The optical terminal box of the prior art according to FIG. 1 constitutes an exterior with a box-shaped body case 1 having an open upper side and a cover 2 covering the body case 1, and the body case 1 An adapter holder 4 for supporting a plurality of adapters 3, an optical connector 5a coupled to the adapter 3, and an optical fiber cord 5 provided at a distal end thereof, A storage plate 6 and the like are provided for accommodating and storing the fusion splicers interconnecting the optical fibers.

However, since the optical terminal box of the prior art has a structure in which the adapter holder 4 is disposed adjacent to the inner wall surface of the main body case 1 in order to maximize the utilization of the internal space of the main body case 1, the operator has an inner wall surface. The optical connector 5a, which is connected to the adapter holder 4 facing the front side, or the connection of the separated optical connector 5a to the adapter holder 4 has been very difficult.

In particular, since a worker with a large hand cannot detach and connect the optical connector 5a to the adapter holder 4 itself, the entire adapter holder 4 can be detached directly from the main body case 1 so that the optical connector 5a can be removed. The separation and connection work should be performed. In this case, the work efficiency and the work efficiency are reduced as a result of wasting a lot of labor and work time due to the frequent connection and disconnection of the optical connector 5a.

The present invention has been made to solve this problem, the adapter holder is lifted up and down, and at the same time it is possible to fix the adapter holder in the desired position during the lifting, making it easy to remove and connect the optical connector to the adapter holder. The purpose is to provide an optical box that is lost.

The optical terminal box of the present invention for achieving the above object is an adapter holder upright disposed in the inner wall surface adjacent to the case body and the adapter support hole for supporting a plurality of adapters in the center, and connected to and disconnected from the adapter of the adapter holder An optical terminal box provided with an optical fiber cord having an optical connector, the adapter holder comprising: a holder body in which the adapter support hole is disposed at the center and sliding plates at both ends thereof; The support plate is provided in close contact with the sliding plate of the holder body to guide the up and down of the sliding plate, characterized in that consisting of a support bracket fixed to the case body.

In addition, in the optical terminal box according to the present invention, it is preferable that the guide protrusion is formed to protrude from the sliding plate, and the guide protrusion is disposed on the support plate corresponding thereto to slide only in the vertical direction.

In addition, in the optical terminal box according to the present invention, it is preferable that fastening holes are formed on the same vertical line of the sliding plate and the supporting plate in the vertical direction, and fastening holes fastened to these matching fastening holes.

In addition, in the optical terminal box according to the present invention, one fastening hole is formed in the upper end of the support plate, it is preferable that a plurality of fastening holes are formed spaced apart at regular intervals in the vertical direction on the sliding plate.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

As shown in Figures 2 and 3, the optical terminal box according to the present invention is disposed upright in the vicinity of the inner wall surface (10a) of the case body 10 and the adapter support hole 32a for supporting the plurality of adapters 20 in the center Is provided with an optical fiber cord 40 having an adapter holder 30 formed therein) and an optical connector 42 connected to and disconnected from the adapter 20 of the adapter holder 30.

The adapter holder 30 is in close contact with the holder body 32 having the adapter support hole 32a disposed at the center and provided with sliding plates 32b at both ends thereof, and the sliding plate 32b of the holder body 32. The support plate 34a is provided to guide the up and down of the sliding plate 32b, and consists of a support bracket 34 fixedly installed on the case body 10.

Here, the holder body 32 is a plate of a shape that is bent at a right angle while going straight with a certain length period, the adapter support hole (32a) on the bent surface in parallel in the same direction of the bending surface of the plate Each pair is formed up and down.

In addition, the guide protrusions 32c for guiding the lifting and lowering of the sliding plate 32b are lifted up and down along the guide holes 34b of the support plate 34a at the lower ends of the sliding plates 32b at both ends of the holder body 32. Is formed to protrude, and the support plate 34a corresponding thereto is formed with a guide hole 34b having a vertical long hole shape in which the guide protrusion 32c is disposed to guide the slide only in the vertical direction.

Further, fixing holes 32d and 34c are formed in the vertical direction on the same vertical line between the sliding plate 32b and the support plate 34a, respectively, and are separately inserted into and fastened to the corresponding fixing holes 32d and 34c. The fixture 36 of is provided.

In the embodiment of the present invention, one fixing hole 34c is formed at the upper end of the support plate 34a, and two fixing holes 32d are formed in the sliding plate 32b at regular intervals along the vertical direction. . Of course, two or more may be formed.

In addition, a thread is formed on the inner circumferential surface of the fixing hole 32d of the sliding plate 32b, and correspondingly, a thread is formed on the outer circumferential surface of the fixture 36 to be screwed together.

Although the sliding plate 32b may be firmly fixed in the raised or lowered state by screwing in this way, the fastener (in the state where the fixing holes 32d and 34c of the sliding plate 32b and the support plate 34a are coincident with each other). The slide plate 32b may be supported to stop in place at the raised or lowered position by the degree of insertion 36).

On the other hand, the fixing bracket 34 is bent at right angles to the support plate (34a) and the attachment piece portion (34d) in close contact with the bottom surface of the main body case 10 through the fastener 60, such as screw the main body case (10) ) Is fixed to the bottom surface.

Reference numeral 12 denotes a cover that covers the main body case 10, and 50 denotes a storage plate for accommodating and storing fusion splicers for fusion-splicing the incoming and outgoing optical fibers.

In the optical terminal box of the present invention according to this configuration, the optical connector 42 of the adapter 20 of the adapter holder 30 connected to the side facing the inner wall surface 10a of the main body case 10, or when the connection operation, First, the fastener 36 is separated from the fixing hole 32d of the sliding plate 32b and the fixing hole 34c of the support plate 34a so that the sliding plate 32b can be lifted up and down, and then the sliding plate ( While raising 32b) to the desired height, the fixing holes 32d and 34c located at the corresponding heights of the sliding plate 32b and the support plate 34a are matched, and then the fastener 36, which has been separated again, is placed on the same line. The sliding plate 32b is fixed in an elevated state by being inserted into and fastened to the corresponding fixing holes 32d and 34c.

In this state, the optical connector 42 can be separated and connected smoothly. When the optical connector 42 is removed or connected, the fastener 36 is fixed to the fixing holes 32d and 34c. The sliding plate 32b is allowed to descend, and the sliding plate 32b naturally falls freely by gravity and returns to its original state.

Then, the fastener 36, which has been separated again, is fastened to the fixing holes 32d and 34c of the sliding plate 32b and the support plate 34a so that they are fixed.

As described above, the optical terminal box of the present invention allows the adapter holder to be lifted up and down, and at the same time, the adapter holder can be fixed at a desired position during the lift, so that the optical connector can be easily separated and connected to the adapter holder. As a result, the work time is shortened and the work efficiency is improved.

Claims (4)

An adapter holder 30 disposed upright in the vicinity of the inner wall surface 10a of the case body 10 and having an adapter support hole 32a for supporting the plurality of adapters 20 in the center thereof; In an optical terminal box provided with an optical fiber cord 40 having an optical connector 42 connected to and disconnected from an adapter 20, The adapter holder 30, A holder body 32 in which the adapter support hole 32a is disposed at the center portion and a sliding plate 32b is provided at both ends thereof; A support bracket (34) provided with a support plate (34a) in close contact with the sliding plate (32b) of the holder body (32) to guide the up and down of the sliding plate (32b) and fixed to the case body (10); Optical terminal box, characterized in that consisting of. The guide hole (32c) is formed in the sliding plate 32b protruding, the guide hole (32c) is disposed on the support plate (34a) corresponding to the guide hole (sliding only in the vertical direction) ( 34b) is an optical terminal box, characterized in that formed. The fixing holes 32d and 34c are formed on the same vertical line between the sliding plate 32b and the support plate 34a in the vertical direction, respectively. Optical terminal box, characterized in that provided with a fastener 36 is inserted into the fastening. According to claim 3, wherein one fixing hole (34c) is formed in the upper end of the support plate 34a, a plurality of fixing holes (32d) formed in the sliding plate 32b in the vertical direction spaced apart at regular intervals. Optical terminal box.

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