CN210835361U - Partitioned double-layer light splitting joint box - Google Patents

Abstract

The utility model discloses a double-deck beam split splice box of subregion formula, include: end box (1), upper cover (2), lower cover (16) and melt fine dish (3), end box (1) and upper cover (2) and lower cover (16) pass through hinged joint, and the front of end box (1) is set up to into cable butt fusion region, and the back of end box (1) is set up to out the cable region, melt fine dish (3) and fix at end box (1) lateral wall through the trip form, the center of melting fine dish (3) still is equipped with butt fusion draw-in groove (5). The utility model discloses box body inner space is rationally distributed normatively, advances the regional mutual independence of cable fusion and the regional mutual independence of going out of cable, but two regional opening and closing independent operation have avoided the problem of opening again after the optical cable fusion, do benefit to the installation and the maintenance of optical cable simultaneously again.

Description

Partitioned double-layer light splitting joint box

Technical Field

The utility model relates to a communication optical cable connection accessory technical field especially relates to a double-deck beam split splice box of subregion formula.

Background

With the rapid development of the FTTX network, the optical cable access is widely used, and the optical fiber is used as a carrier for transmitting optical signals, and has the advantages of large capacity, no interference from an external magnetic field, high fidelity, and reliable communication performance. The optical cable joint box is an essential important component in an optical communication line and plays an important role in connection protection of optical fibers of the optical cable and communication transmission of the optical cable line.

Most of the existing optical cable joint boxes are in a box body form sealed by one bottom and one cover, optical fibers reserved after stripping, fiber melting discs, optical cable fixing devices and the like need to be accommodated in the box body, light splitting devices rarely exist, and in the same box body, fusion welding and light splitting lines of the optical cables are crossed, so that the construction and maintenance are inconvenient, and the optical cable joint boxes are easily disordered, and therefore the traditional optical cable joint boxes cannot meet the functional requirements of the current society on optical cable laying.

Disclosure of Invention

An object of the utility model is to provide a double-deck beam split splice box of subregion to the weak point of background art and current design, the box body adopts business turn over cable subregion structure, and end box openly sets up to into cable fusion splicing region, and end box reverse side sets up to going out the cable region to set up modules such as optical cable is fixed, optic fibre storage, optical fiber fusion splicing, optical cable beam split, adapter draw-in groove in two regions.

A partitioned double-layer light-splitting connector box is characterized by comprising: the fiber melting tray comprises a bottom box, an upper cover, a lower cover and a fiber melting tray body, wherein the bottom box is connected with the upper cover and the lower cover through hinges, the front face of the bottom box is arranged to be a cable inlet fusion area, the back face of the bottom box is arranged to be a cable outlet area, the fiber melting tray body is fixed on the side wall of the bottom box in a tenon mode, and a fusion welding clamping groove is formed in the center of the fiber melting tray body.

The upper cover contracts through big spring and first hasp, the lower cover locks through little spring and second hasp lock, and upper cover, lower cover and end box sealing rubber in the seal groove all around form inclosed box body.

The opening and closing of the cable inlet welding area and the cable outlet area can be operated independently and do not affect each other.

8 optical cable inlets and outlets are formed in the side wall of the front face of the bottom box, and inlet and outlet sealing rubber is arranged for water prevention.

The front side of the bottom box is provided with a cable pressing frame and a reinforcing core pressing column, and the cable pressing frame and the reinforcing core pressing column are connected to the front side of the bottom box through screws.

The cable pressing frame is used for pressing the cable.

The reinforcing core pressing column presses the reinforcing core through a screw.

The front side of the bottom box is provided with a wire arranging ring, and the wire arranging ring is connected to the bottom box through a clamping tenon and used for binding stripped optical fibers.

The front of end box still is equipped with adapter installation position and PLC draw-in groove, and adapter installation position and PLC draw-in groove pass through rectangular boss and form.

The back of the bottom box is provided with an adapter housing and an adapter support, and the adapter housing is fixed above the adapter support through a clamping tenon and is fixed through a screw.

The adapter bracket is fixed on the back of the bottom box in a tenon clamping mode.

The back both sides of end box are fixed with unsettled installed part, and it is fixed through the recess that the boss formed, compress tightly through the screw simultaneously.

The back lateral wall of end box has seted up out the cable mouth, and it is 8U type notches to go out the cable mouth.

The utility model has the advantages that: be applied to FTTH construction, can effectively protect the optical fiber and continue, be applicable to the connection of the straight-through and the bifurcation of various model optical cables within diameter phi 22mm, box body inner space layout is reasonable more standard, advances the cable butt fusion region and goes out the cable region mutual independence, but two regional opening and closing independent operation, avoided the problem of opening repeatedly again after the optical cable butt fusion, do benefit to the installation and the maintenance of optical cable again simultaneously.

Drawings

FIG. 1 is a front view of the cassette-the in-cable fusion zone;

FIG. 2 is a rear view of the cassette-the cable exit region;

in the figure, 1-bottom box; 2-covering the upper cover; 3-melting fiber disc; 4-sealing rubber on the upper cover; 5-welding the clamping groove; 6-large spring; 7-first locking catch; 8-optical cable inlet and outlet; 9-inlet and outlet sealing rubber; 10-a cable pressing frame; 11-a reinforcement core compression column; 12-wire ring tidying; 13-an adapter mounting location; 14-winding a fiber disc; 15-PLC card slot; 16-a lower cover; 17-an adapter housing; 18-an adapter holder; 19-a cable outlet; 20-cable-out sealing rubber; 21-small spring; 22-a second lock catch; 23-suspended mounting.

The specific implementation mode is as follows:

in order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

A partitioned dual-layer optical splitting junction box, comprising: the fiber melting box comprises a bottom box 1, an upper cover 2, a lower cover 16 and a fiber melting disc 3, wherein the bottom box 1 is connected with the upper cover 2 and the lower cover 16 through hinges, the front face of the bottom box 1 is arranged to be a cable inlet welding area, the back face of the bottom box 1 is arranged to be a cable outlet area, the fiber melting disc 3 is fixed on the side wall of the bottom box 1 in a tenon mode, and a welding clamping groove 5 is further formed in the center of the fiber melting disc 3.

A partition type double-layer light splitting joint box assembly mode is as follows:

in the embodiment, a bottom box 1 is connected with an upper cover 2 and a lower cover 16 through hinges, the upper cover sealing rubber 4 and a cable outlet sealing rubber 20 are elastically deformed and sealed into a box body, the upper cover 2 and the lower cover 16 are respectively locked and sealed through a large spring 6 and a small spring 21 and a first lock catch 7 and a second lock catch 22 by utilizing the elastic deformation of the springs, 8 cable inlets and outlets are respectively compressed and sealed by inlet and outlet sealing rubber 9, a cable pressing frame 10 and a reinforcing core pressing column 11 are connected to the front surface of the bottom box 1 through screws, the cable pressing frame 10 and the centers of the cable inlets and outlets 8 form a straight line, a cable disposal ring 12 is connected to the bottom box 1 through a tenon, 2 fiber melting discs 3 are fixed on the inner side of the bottom box 1 through the tenon, an adapter support 18 is fixed on the back surface of the bottom box 1 through the tenon, an adapter housing 17 is fixed above the adapter support 18 through the tenon and is fixed through screws, a suspended mounting piece 23 is fixed, and the hook formed by the mounting part is suspended and mounted and locked by a screw.

A partition type double-layer light splitting joint box installation mode comprises the following steps:

stripping the optical cable, removing the outer sheath, the inner sheath and the loose shrink tube, cleaning and clearing the petroleum filling paste in the optical cable, reserving the optical fiber length of 0.8-1.2 m, and enabling the optical cable to pass through the circular hole reserved in the inlet and outlet sealing rubber 9.

Further, the cable is compressed by the cable compression rack 10, and the reinforcing core compression column 11 compresses the reinforcing core by a screw.

Further, the stripped optical fiber is reserved to be coiled on the fiber winding disc 14, and the end of the stripped optical fiber is led to the fusion splicing clamping groove 5 of the fusion splicing disc 3.

Further, the SC adapter is mounted at the adapter mounting site 13 and the adapter bracket 18.

Furthermore, a branching unit is arranged at the PLC card slot 15, the inlet end is led to the adapter mounting position 13 to be connected with the adapter, and the outlet end is led to the adapter bracket 18 at the back of the bottom box 1 to be connected with the adapter of the outlet cable.

Furthermore, a pigtail is inserted into the other end of the adapter at the adapter mounting position 13, and the end of the pigtail is led to the fusion splicing clamping groove 5 of the fusion splicing disc 3 and connected with the stripped optical fiber by using a heat shrink tube.

Further, inserting the pigtail of the outgoing cable into the adapter bracket 18, and leading the pigtail out of the box body through the outgoing cable sealing rubber 20;

further, the upper cover 2 and the lower cover 16 are pressed by the first locking device and the second locking device.

Further, according to the laying requirements, the suspended installation pieces 23 are automatically positioned and fixed for laying.

The utility model discloses mainly be applied to the FTTH construction, can effectively protect optical fiber continuing, be applicable to the direct and the connection of bifurcation of various model optical cables within diameter phi 22mm, box body inner space layout is reasonable more standard, advances the regional mutual independence of cable fusion and play cable, but two regional opening and closing independent operation have avoided the problem of opening repeatedly again after the optical cable fusion, do benefit to the installation and the maintenance of optical cable simultaneously again.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (13)

1. A partitioned double-layer light-splitting connector box is characterized by comprising: end box (1), upper cover (2), lower cover (16) and melt fine dish (3), end box (1) and upper cover (2) and lower cover (16) pass through hinged joint, and the front of end box (1) is set up to into cable butt fusion region, and the back of end box (1) is set up to out the cable region, melt fine dish (3) and fix at end box (1) lateral wall through the trip form, the center of melting fine dish (3) still is equipped with butt fusion draw-in groove (5).

2. The partitioned double-layer light-splitting adapter box according to claim 1, wherein the upper cover (2) is tightened by a large spring (6) and a first lock catch (7), the lower cover (16) is tightened by a small spring (21) and a second lock catch (22), and the upper cover (2), the lower cover (16) and sealing rubber in sealing grooves around the bottom box (1) form a sealed box body.

3. The partitioned double-layered optical splitting connector box according to claim 2, wherein the cable entrance welding region and the cable exit region can be opened and closed independently without affecting each other.

4. The partitioned double-layer light-splitting connector box according to claim 1, characterized in that 8 optical cable inlets and outlets (8) are formed in the front side wall of the bottom box (1), and an inlet and outlet sealing rubber (9) is provided for water prevention.

5. The partitioned double-layer light splitting joint box according to claim 1, wherein a cable pressing frame (10) and a reinforcing core pressing column (11) are arranged on the front surface of the bottom box (1), and the cable pressing frame (10) and the reinforcing core pressing column (11) are connected to the front surface of the bottom box (1) through screws.

6. The partitioned double-layered optical splitting connector box according to claim 5, wherein the cable pressing frame (10) is used for pressing the optical cable.

7. The partitioned double-layered optical splitting connector box according to claim 5, wherein said core-fastening column (11) fastens the core-fastening by means of a screw.

8. The partitioned double-layer optical splitting connector box according to claim 1, characterized in that the front surface of the bottom box (1) is provided with a wire arranging ring (12), and the wire arranging ring (12) is connected to the bottom box through a tenon for binding the stripped optical fibers.

9. The partitioned double-layer light-splitting adapter box according to claim 1, wherein the front surface of the bottom box (1) is further provided with an adapter mounting position (13) and a PLC (programmable logic controller) slot (15), and the adapter mounting position (13) and the PLC slot (15) are formed by long-strip bosses.

10. The partitioned double-layer light-splitting adapter box according to claim 1, wherein an adapter cover (17) and an adapter support (18) are arranged on the back of the bottom box, and the adapter cover (17) is fixed above the adapter support (18) through a tenon and fixed through a screw.

11. A partitioned double-layered optical splitting connector box according to claim 10, characterized in that said adapter holder (18) is fixed to the back of the bottom box (1) by means of a bayonet lock.

12. The partitioned double-layer light splitting connector box according to claim 1, wherein suspended installation parts (23) are fixed on two sides of the back surface of the bottom box (1), fixed through grooves formed by bosses and pressed through screws.

13. The partitioned double-layer light-splitting connector box according to claim 1, wherein cable outlets (19) are formed in the side wall of the back of the bottom box (1), and the cable outlets (19) are 8U-shaped notches.

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