CN201654299U

CN201654299U - Four-core drop cable branching box device

Info

Publication number: CN201654299U
Application number: CN201020178952XU
Authority: CN
Inventors: 吕根良; 黄金安
Original assignee: Jiangsu Yute Optics Science & Technology Co Ltd
Current assignee: Jiangsu Unikit Optical Technology Co Ltd
Priority date: 2010-04-30
Filing date: 2010-04-30
Publication date: 2010-11-24
Anticipated expiration: 2020-04-30

Abstract

The utility model discloses a four-core drop cable branching box device, which is characterized in that the branching box device comprises a box body and a box cover, the box body is arranged inside the box cover, one end of the box body is provided with a first optical cable groove used for holding drop cables while the other end is provided with four second optical cable grooves used for holding bare fibers, the first optical cable groove is communicated with the second optical cables, the four second optical cable grooves are respectively provided with protective sleeves which are provided with optical fiber holes, and fasteners are respectively arranged in the first optical cable grooves and the second optical cable grooves. The four-core drop cable branching box device adopts the full manual press technology without any special tools, can split one four-core drop cable into four branches, fix optical cables reliably and safely without damaging optical fibers or producing extra insertion loss, protect optical cables and reduce potential destruction risk, and further is simple in structure and low in construction strength.

Description

A kind of four-core covered wire cable is box device along separate routes

Technical field

The utility model relates to a kind of along separate routes box device of four-core covered wire cable that is used for, and is specifically related to a kind of be divided into two branch means of cable of four-core covered wire cable that is used for.

Background technology

Along with the development of fiber products, a kind of profile is that rectangle, center are that four-core optical fiber, both sides are that the optical cable of reinforcing element is widely used, and as shown in Figure 8, wherein 11 is optical fiber, and 12 is reinforcing element, and 13 is rubber-insulated wire.

Along with the fiber-to-the-home portfolio of FTTH increases sharply; in order to reduce the core number that improves the corridor optical cable; reduce and lay the optical cable cost; four-core skin cable begins use in enormous quantities; simple and easy, highly reliable branch to floor requires more and more urgent; how four optical-fiber cable is branched off into four single fiber cables; can protect optical fiber to preserve from again; become construction difficult problem; only added a coupling box, with the welding of single core skin cable, this has just increased construction cost greatly in coupling box in the past; reduce operating efficiency, increased difficulty of construction and risk.

There is not this series products at present in the world.

Summary of the invention

Technical problem to be solved in the utility model is at above-mentioned the deficiencies in the prior art; a kind of four-core covered wire cable box device along separate routes is provided; main by using the shunt and the protection of four-core covered wire cable shunt box and four protective sleeve realization four-core covered wire cables; non-fiber making-breaking point in the box, box body to the chucking stretching resistance of optical cable greater than 50N.

For solving the problems of the technologies described above; the technical solution of the utility model is: a kind of four-core covered wire cable is box device along separate routes; it is characterized in that: comprise a box body; one box cover; it is inner that described box body is arranged on the box cover; has first cable duct that is used to hold covered wire cable at described box body one end; be provided with four second cable ducts that are used for containment bare optical fiber at the described other end at box body; described first cable duct is communicated with described second cable duct; in described second cable duct, be respectively arranged with protective sleeve; described protective sleeve is provided with optic fibre hole, is respectively arranged with buckle in described first cable duct and second cable duct.

The utility model four-core covered wire cable is box device along separate routes, mainly four optical fiber that fixed length has been removed outer cable are placed on respectively in the trough separately in the box box body along separate routes, be pressed into by buckle in the hole slot of shunt box body list cable duct side, and then snap in the outer cable of the four-core covered wire cable that is placed on wherein; Four optical fiber are penetrated in the through hole of protective sleeve, protective sleeve is used the same method is separately fixed at four cable duct sides of box body along separate routes then, thereby realizes that four-core covered wire cable one is divided into four purpose again.Box is made up of box body, block, box cover, buckle and protective sleeve along separate routes; being set as the many card bases to hole slot and buckle of group in the box body matches; be pressed into hole slot and then snap in outer cable of the optical cable that is placed in the cable duct or protective sleeve by buckle, thus fixing optical cable cable or protective sleeve outward.Along separate routes establish the optical fiber trough in the box body of box, be designed to the tangent curve that seamlessly transits of big radian, guarantee that the optical fiber that is placed on does not wherein produce bending, and when being subjected to external force, can not produce and lose, guarantee communication quality, and smooth-going being easy to placed.

The utility model four-core covered wire cable box device along separate routes adopts full hand technology, does not use any specific purpose tool, just can realize the purpose that the four-core covered wire cable is divided into two, and the branch line length can be according to the customer requirements cutting; Optical cable is fastening reliable and secure, and pulling-out force can not produce injury to optical fiber greater than 50N, can not produce extra Insertion Loss, and the protection optical cable reduces the latent lesion risk; Simple to operate, construction intensity is little.

Snap together by hook and catching groove at described box body and box cover, and put only buckle escape.

Be provided with the optical fiber trough in described box body, trough is corresponding with the cable duct at two ends, and the cable duct two ends respectively are set as the many card bases to hole slot and buckle of group and match.

The through hole that has the facial expression fibre to pass through in described protective sleeve, the cable duct of cross section and box body matches.

Establish a plurality of card bases at described buckle, the hole slot at card base and box body two ends matches.

Be designed to the tangent curve that seamlessly transits of big radian at described optical fiber trough, guarantee that the optical fiber be placed on does not wherein produce bending, and optical fiber can not produce when being subjected to external force and lose, guarantee communication quality, and smooth-going being easy to be placed.

Compared with prior art, the utlity model has following advantage:

1. the utility model four-core covered wire cable shunt box device adopts box and protective sleeve technology along separate routes, and non-fiber making-breaking point in the box guarantees the optical fiber long-term reliability.

2. the utility model four-core covered wire cable shunt box device adopts box and protective sleeve technology along separate routes, realizes the reliable separated time of optical fiber, and the branch line length can be sheared voluntarily according to client's needs, divides line strength identical with former line, and pulling-out force need not to protect in addition box protection greater than 50N.

3. the utility model four-core covered wire cable shunt box device adopts full hand technology, does not use any specific purpose tool, just can realize that the four-core covered wire cable is divided into two, and simple to operate, construction intensity is little.

4. the utility model optical cable device for fastening sheath trough is designed to the tangent curve that seamlessly transits of big radian, guarantees to be placed on wherein optical fiber and can not produce when being subjected to external force and lose, and with communication quality, and smooth-going being easy to placed.

5. the box device volume is little along separate routes for the utility model four-core covered wire cable, and is in light weight on optical cable, is convenient to pull and places, and need not specially to be attached on the fixture, is easy to lay, and is specially adapted to site operation.

6. the utility model four-core covered wire cable fastening safety of box device along separate routes, the lateral pressure resistant ability is strong, and protection optical fiber preserves from, and the protection optical cable reduces the latent lesion risk.

Description of drawings

Fig. 1 is the utility model four-core covered wire cable box device expansion 3D synoptic diagram along separate routes.

Fig. 2 is the utility model four-core covered wire cable box device box body 3D synoptic diagram along separate routes.

Fig. 3 is the utility model four-core covered wire cable box device block 3D synoptic diagram along separate routes.

Fig. 4 is the utility model four-core covered wire cable box device box cover 3D synoptic diagram along separate routes.

Fig. 5 is the utility model four-core covered wire cable box device buckle protective sleeve 3D synoptic diagram along separate routes.

Fig. 6 is the utility model four-core covered wire cable box device protective sleeve 3D synoptic diagram along separate routes.

Fig. 7 is a four-core covered wire cable 3D synoptic diagram.

Fig. 8 is the sectional view of four optical-fiber cable.

Among the figure: 1. box body, 2. block, 3. box cover, 4. buckle, 5. protective sleeve, 1-1. trough, 1-2. cable duct, 1-3. hole slot, 1-4. hook, 3-1. catching groove, 4-1. card base, 5-1. through hole, 5-2. cross section, 6. four-core covered wire cable, the outer cable of 6-1., 6-2. optical fiber.

Embodiment

Below in conjunction with accompanying drawing, the utility model is elaborated.

Referring to figs. 1 to Fig. 7, the utility model is a kind of four-core covered wire cable box device along separate routes, mainly four optical fiber 6-2 that fixed length has been removed outer cable 6-1 are placed on respectively among the 1-1 of trough separately in the box box body 1 along separate routes, be pressed into by buckle 4 among four hole slot 1-3 of shunt box box body 1 single cable duct 1-2 side, and then snap in the outer cable 6-1 of the four-core covered wire cable 6 that is placed on wherein; Four optical fiber 6-2 are penetrated among the through hole 5-1 of protective sleeve 5, protective sleeve 5 is used the same method is separately fixed at four cable duct 1-2 sides of box box body 1 along separate routes then, thereby realizes the purpose that four-core covered wire cable 6 is divided into two again.Box is made up of box body 1, block 2, box cover 3, buckle 4 and protective sleeve 5 along separate routes; being set as the many card base 4-1 to hole slot 1-3 and buckle 4 of group in the box body 1 matches; be pressed into hole slot 1-3 and then snap in outer cable 6-1 of the optical cable that is placed among the cable duct 1-2 or protective sleeve 5 by buckle 4, thus fixing optical cable cable 6-1 or protective sleeve 5 outward.Along separate routes establish optical fiber trough 1-1 in the box body 1 of box, be designed to the tangent curve that seamlessly transits of big radian, guarantee that the optical fiber 6-2 that is placed on does not wherein produce bending, and when being subjected to external force, can not produce and lose, influence communication quality, and smooth-goingly be easy to placement.

The utility model four-core covered wire cable box device along separate routes adopts full hand technology, does not use any specific purpose tool, just can realize that four-core covered wire cable one is divided into four purpose, and the branch line length can be according to the customer requirements cutting; Optical cable is fastening reliable and secure, and pulling-out force can not produce injury to optical fiber greater than 50N, can not produce extra Insertion Loss, and the protection optical cable reduces the latent lesion risk; Simple to operate, construction intensity is little.

Snap together by linking up with 1-4 and catching groove 3-1 at described box body 1 and box cover 3, and put only buckle 4 escapes.

Be provided with optical fiber trough 1-1 in described box body, trough 1-1 is corresponding with the cable duct 1-2 at two ends, and cable duct 1-2 two ends respectively are set as the many card base 4-1 to hole slot 1-3 and buckle 4 of group and match.

The through hole 5-1 that has the fine 6-2 of facial expression to pass through in described protective sleeve 5, the cable duct 1-2 of cross section 5-2 and box body 1 matches.

Establish a plurality of card base 4-1 at described buckle 4, the hole slot 1-3 at card base 4-1 and box body 1 two ends matches.

Be designed to the tangent curve that seamlessly transits of big radian at described optical fiber trough 1-1, guarantee that the optical fiber be placed on does not wherein produce bending, and optical fiber can not produce when being subjected to external force and lose, guarantee communication quality, and smooth-going being easy to be placed.

Claims

1. four-core covered wire cable box device along separate routes; it is characterized in that: comprise a box body (1); one box cover (3); described box body (1) is arranged on box cover (3) inside; has first cable duct that is used to hold covered wire cable at described box body (1) one end; be provided with four second cable ducts that are used for containment bare optical fiber at the described other end at box body (1); described first cable duct is communicated with described second cable duct; in described second cable duct, be respectively arranged with protective sleeve (5); described protective sleeve (5) is provided with optic fibre hole, is respectively arranged with buckle (4) in described first cable duct and second cable duct.

2. four-core covered wire cable according to claim 1 is box device along separate routes, it is characterized in that: described box body (1) is provided with hook (1-4), described box cover (3) is provided with catching groove (3-1), described box body (1) and box cover (3) snap together by hook (1-4) and catching groove (3-1), and prevent buckle (4) escape.

According to claim 1 or 2 at described four-core covered wire cable box device along separate routes, it is characterized in that: be provided with optical fiber trough (1-1) in described box body (1), optical fiber trough (1-1) is connected (1-2) with first cable duct at two ends with second cable duct.