KR100255054B1 - Seal up apparatus of cable connection box - Google Patents

Abstract

PURPOSE: A sealing apparatus of an optical communication cable connection box is provided to be easily assembled and dissembled by fastening a box body and a sealing cover using flanges and bolts, thereby enhancing the workability. CONSTITUTION: A sealing cover(10) has a metal fixing member(12), a cable guide and a plurality of flange parts(5). A main holder(20) is fixed to a fixing member of the sealing cover(10) using an U-shape bracket(23) and plural through holes(23a) formed on one side of a connecting member(21). An arrangement panel(30) has plural arrangement plates(33) for branch lines(A) of an optical cable and is matched to the through holes(23a) to be stacked by a stepwise. A box body(40) has a flange(45) and plural bosses(41) for preventing deformation of the box body(40). The bosses(41) are formed with constant spaces on an outer surface of the box body(40).

Description

Sealing device for optical communication cable junction box

The present invention relates to a sealing device for an optical communication cable connection branch box which continuously connects an optical communication cable which performs a function of transmitting various information by laying underground, and in more detail, the optical cable is inserted into the optical cable guide unit. Flanges formed on the outer periphery of the enclosure and the outer periphery of the enclosure, which are arranged in order to arrange the branch lines of the optical communication cable separated from the outer shell, and are arranged in a cylindrical housing and combined as a sealing cover from the outside. It can be combined and separated as a bolt by using a part, and by forming a screw part on the outer periphery of the optical cable guide part, the cap nut which inserts the sealing into it is highly efficient and prevents foreign matter from penetrating into the inside of the enclosure. Sealing device for optical communication cable junction box It relates.

In general, the structure of the optical communication cable junction box is composed of two half-moon-shaped pipes and the cover, and in particular, the optical cable guide part provided in the cover is made of a tube-shaped structure so that the optical cable can be inserted into the pipe. After cutting the tip of the tubular optical cable guide portion and inserting the optical cable therein, the outer periphery is sealed with a thermocompression tape and heat shrinks again to maintain airtightness.

However, the conventional optical cable connection branch box having the above-described configuration has a structure in which the girder pipe is divided into two, and because of the large number of joining portions, the sealing force is remarkably dropped, so that various foreign substances penetrate into the inside and degrade the call sensitivity. It is pointed out that, moreover, it is inherent in the problem that the work efficiency decreases because this work can be completed only through several processes.

The present invention has been proposed to eliminate the above problems, the object of the present invention is to form a flange portion on the outer periphery of the enclosure and the sealing cover in order to increase the work efficiency and sealing effect combined as a bolt And to provide a sealing device of the optical communication cable junction box that can facilitate the separation to increase the work efficiency.

Another object of the present invention is a bracket provided on the main holder which is fixed to the inner side of the sealing cover can be laminated step by step using an elastic clip provided on one side of the rearranged panel arranged neatly arranged optical cables The present invention provides a sealing device for an optical communication cable junction box having a structure.

Another object of the present invention is to insert the sealing seal in the groove formed on one end of the housing in order to maintain the airtight inside, the inner circumference of the cap nut fastening from both sides of the cable inserted into the cable guide It is to provide a sealing device of the optical communication cable junction box that can prevent the foreign matter from penetrating the inside of the housing by inserting the sealing to the coupling.

Another object of the present invention is the structure of the housing provided with a deformation preventing boss that is arranged at a plurality of equal intervals on the outer periphery of the housing in order to prevent the housing from being deformed in accordance with the change of the external environment to respond to changes in the external environment. It is to provide a sealing device for the optical communication cable connection branch box having a.

The overall configuration of the present invention for achieving the above object is the fixing member of the metal material for fixing the main holder in the center of the blocking film is extended to the inside, and fixed support by inserting the incoming optical cable and the drawn optical cable in the outer periphery of the fixing member The cable guide part is protruded inwards and outwards, and a thread part is formed on the outer periphery, and the inner periphery of the screw part is configured to screw-in a cap nut in which a sealing is inserted, and a flange part for engaging with the enclosure is provided at equal intervals on the outer periphery. A sealing cover disposed of; The fixing member provided at the central portion of the sealing cover has a plurality of fastening holes formed at one end thereof, and a through hole formed at one side of the bracket and the connecting member having a "c" shape configured to stack the rearranging panels stepwise. The main holder fixed by using; A rearranging panel which aligns the branching lines of the optical cables with a rearranging panel, which is arranged at the center of the upper surface, in a stepwise manner, by mating the casing holes formed in the bracket by using elastic clips formed with projections on both sides of one side end; One side is provided with a recess for inserting the sealing seal on the outer circumference of the opening and the outer side of the arranging panel integrally coupled with the main holder, and on the outside with the flange formed on the outer circumference of the sealing cover as a bolt. The flange unit for coupling is provided and the outer periphery is composed of a combination of extrapolating the enclosure that is provided at equal intervals of the deformation preventing boss for adapting to changes in the external temperature.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall configuration diagram illustrating a state in which the sealing device of the optical communication cable junction box of the present invention is coupled

Figure 2 is an exploded perspective view illustrating each configuration state of the sealing device of the optical communication cable junction box of the present invention

Figure 3 is a perspective view illustrating the overall configuration of the cable branch line arrangement panel that is one component of the present invention

Figure 4 is a partially cutaway perspective view illustrating a state in which the optical communication cable coupled to the sealing cover which is one component of the present invention

5 is a cross-sectional view of the optical communication cable coupled to the sealing cover.

<Explanation of symbols for main parts of the drawings>

(1) (2)... Incoming optical cable (1 ') (2') Outgoing optical cable (3); Fastening member

(4) (4 ')... Cap nut 5... Flange portion 6... Sealing (7) (7 ')... Screw

(8)… Optical cable guide 10. Sealing cover 11... Barrier 20... Main holder

(23)... Bracket 30... Arrangement panel 40... Enclosure 41... Strain Relief Boss

(42)... Opening 43. Groove 44. Sealing seal 45... Flange part

The overall configuration of the present invention is a sealing cover for guiding the incoming light cable and the outgoing light cable stably and to prevent the ingress of various foreign matters therein; A main holder (20) for cascading a rearranging panel for aligning branch lines separating the skin of the optical cable guided by the optical cable guide part provided in the sealing cover; A rearranging panel 30 sequentially stacked on a fastening hole formed in a bracket provided in the main holder; It consists of a housing | casing 40 for preventing the intrusion of various foreign substances into the branch line A arrange | positioned at the arrange | positioning panel.

The overall configuration of the sealing cover 10 is a win-ban shape in the center of the blocking film 11 is fixed to the fixing member 12 of a metal material extending inward in order to fix the main holder 20, the fixing At the outer periphery of the member 12, cable guides 8 for inserting the incoming optical cable 1, 2 and the outgoing optical cable 1 ', 2' protrude inwards and outwards, 7) (7 ') are formed, respectively.

The screw portion 7 ', which protrudes inwardly of the cable guide portion 8, is screwed with a cap nut 4', in which a sealing 6 'is inserted into the inner circumference, and the screw portion 7 protrudes outward. The cap nut which consists of the structure which couples the crimping member 3 in which the knurling part 3a for crimping an optical cable in the inner surface by inserting the sealing 6 in the inner periphery and cutting the outer end part as the bolt 3b. (4) is to screw together.

In addition, five flange portions 5 are formed on the outer circumferential edge at equal intervals, and the flange portions 45 mate with the flange portion 45 provided on the outer circumference of the housing 40 to be coupled as bolts 16.

In addition, the main holder 20 is configured such that the connecting member 21 and the bracket 23 are integrally formed, and a through hole 21a is formed at one side of the connecting member 21 to form the through hole 21a. It is fitted to the fixing member 12 extending inwardly of the sealing cover 10 to be fixed integrally, and the other end of the connecting member 21 is provided with a "23" shaped bracket 23 and On the bracket 23 is made of a structure in which the fastening hole (23a) is disposed.

The overall configuration of the rearranging panel 30 is a rectangular panel, and an alignment plate 33 for aligning the branch lines of the optical cable is provided at the center of the upper surface of the panel, and outward protrusions are formed at both ends of one side. And an elastic clip 31 having an elastic force inward and outward to match the protrusion formed at the end of the elastic clip 31 with the fastening hole 23a formed in the bracket 23. .

In addition, the structure of the housing 40 has a cylindrical shape, one side of which is closed and one side has an opening 42, and a recess for inserting the sealing sealing 44 on the outer circumference of the opening 42. (43) is formed, the outer periphery of the flange portion 45 is arranged at equal intervals to the flange portion (5) provided in the sealing cover 10 is made of a structure that is coupled as a bolt (16) will be.

According to the present invention configured as described above, when the optical cable is inserted into the cable guide portion 8 and the skin is peeled off at a predetermined portion of the tip portion, the branch lines A constituting the optical cable are branched, respectively. After arranging on the alignment plate 33 provided on the upper surface of the rear panel 30 in order, the end is joined with the end of the outgoing optical cable 1 ', 2', and the outgoing optical cable 1 ', 2'. In the same manner as the inlet optical cable (1) and (2), the ends of the cuff are stripped of the skin and bound together with the inlet optical cable. When several arrangement panels 30 for aligning branch lines are used, By sequentially stacking on the fastening holes 23a formed in the bracket 23, it can be integrally combined in a step shape.

The blocking film 11 is used as a means for preventing the penetration of various foreign matters such as dust or water into a minute gap between the optical cable inserted in the optical cable guide 8 and the cable guide 8. Threads 7 and 7 'are formed on the outer circumference of the cable guide 8 protruding inward and outward, and the threaded parts 7 and 7' engage the nut 4 and 4 '. In the inner side, the nut 4 'with the sealing 6' inserted in the inner circumference is engaged, and the outer threaded portion 7 with the sealing 6 interposed in the inner circumference, and the outer end is split in half. The sealing 6 inserted into the inner circumference as the fastening member 3 is coupled as the bolt 3b serves to prevent the ingress of various foreign substances, and the end of the cap nut 4 coupled to the outside. Fastening member 3 coupled to the forming a knurled portion (3a) on the inner periphery inserted into the cable guide (8) Air optical cable (1) and (2) that has a function to prevent the entry.

When peeling the skin surrounding the cable with respect to a certain length of the end of the optical cable inserted into the optical cable guide (8), the branch line (A) is exposed to the outside, this branch line (A) of the arrangement panel (30) After aligning on the alignment plate 33 provided on the upper surface, the end is connected to the lead wire, and then using the elastic clip 31 provided at one end of the alignment plate 33, the main holder 20 It is matched with the fastening hole 23a formed in the bracket 23 integrally mounted on the top.

In this way, after the main holder 20 and the rear panel 30 are sequentially coupled to the inside of the sealing cover 10, the cylindrical enclosure (in order to protect the branch line A arranged on the rear panel 30) 40, the enclosure 40 is fitted with a sealing sealing 44 on the groove portion 43 formed on the outer periphery of the opening 42 as described above and provided in the sealing cover 10 When the flange portion 45 provided on the outer periphery of the flange portion 5 and the housing 40 is coupled to match, the screw portion is screwed using the bolt 16 to complete a series of operations.

As described above, the present invention can increase work efficiency by screwing together the flanges provided at the outer periphery of the sealing cover and the enclosure, and also seals the inner periphery of the threaded portions formed on both sides of the optical cable guide part. By screwing in the inserted cap nut and using the sealing seal in the groove of the outer circumference of the enclosure, it can completely block the ingress of various foreign substances and water such as water, so that the sealing force can be improved and the call sensitivity is improved. It is a very useful invention that can be further increased.

Claims (1)

In the center of the blocking film 11, a metal fixing member 12 for fixing the main holder 20 extends inwardly, and an outer optical edge of the fixing member 13 has an incoming optical cable (1) (2) and an outgoing optical cable. A cable guide 8 for inserting and fixing (1 ') and 2' is fixed to the inner and outer portions so as to protrude outwards, and threaded portions 7 and 7 'are formed on the outer periphery thereof. Screw the cap nut 4 'with the sealing 6' inserted into the inner circumference, and insert the seal 6 'into the inner circumference 7 in the outer thread portion 7 and cut a predetermined portion of the end to cut a null on the inner circumferential surface. It is configured to screw the cap nut 4 integrally coupled to the fastening member 3 having the ring portion 3a as a bolt 3b, and the flange portion 5 for engaging the enclosure 40 is equidistant at the outer circumference. Sealing cover 10 and excreted in; In the fixing member 12 provided at the central portion of the sealing cover 10, a plurality of fastening holes 23a are formed at one end thereof, so that the “c” character configured to stack the rearranging panel 30 stepwise. A main holder 20 fixed using a through hole 21a formed at one side of the bracket 23 and the connecting member 21 having a shape; The fastening hole is formed in the bracket 23 by using the elastic clip 31 which is provided with projections outward on both sides of one end of the alignment plate 33 for aligning the branch line A of the optical cable. A rearranging panel 30 that matches with 23a and is laminated stepwise; The outer periphery of the opening 42 is provided with a recess 43 for inserting the sealing sealing 44 on the outer circumference of the opening panel 30 integrally coupled with the main holder 20, and a sealing cover on the outside. A flange portion 45 is provided to mate with the flange portion 5 formed on the outer circumferential edge of (10) to mate as a bolt 16, and the deformation preventing boss 41 is adapted to the change of the external temperature on the outer circumference. The apparatus for sealing an optical communication cable junction box, characterized in that the configuration is extrapolated to the housing 40 is disposed at equal intervals.