CN109613670B - Novel sealing optical cable joint box without cable breakage and using method thereof - Google Patents
Novel sealing optical cable joint box without cable breakage and using method thereof Download PDFInfo
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- CN109613670B CN109613670B CN201910011098.3A CN201910011098A CN109613670B CN 109613670 B CN109613670 B CN 109613670B CN 201910011098 A CN201910011098 A CN 201910011098A CN 109613670 B CN109613670 B CN 109613670B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
- G02B6/4447—Cable boxes, e.g. splicing boxes with two or more multi fibre cables with divided shells
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a novel sealed optical cable joint box without broken cables and a using method thereof, and relates to the technical field of optical fiber communication equipment. The cable inlet and outlet of the invention adopts the semi-cylindrical connecting pipe and the split type cover nut which are both in split type asymmetric design, the outer wall of the semi-cylindrical connecting pipe on the top cover of the box body is smooth, the outer wall of the semi-cylindrical connecting pipe on the bottom box is provided with an external thread matched with the internal thread of the split type cover nut, thus solving the problem that the cover nut cannot be screwed down due to the unavoidable micro deformation of the box body during injection molding, and the split type structure not only realizes the functions of direct connection and draw-connection of the optical cable, but also ensures the sealing performance of the whole joint box. The split type plastic push block is pushed into the semi-cylindrical connecting pipe, then the split type cover nut is screwed, and the split type plastic push block extrudes the elastic sealing colloid to deform and fill the gap to achieve a sealing effect, so that the sealing performance of the box body is further improved.
Description
Technical Field
The invention relates to the technical field of optical fiber communication equipment, in particular to a novel sealing optical cable joint box without broken cables and a using method thereof.
Background
Cable closure is one of the important components in optical communications networks, primarily for protective splicing and fiber distribution between two or more cables. However, most of the mechanical sealing optical cable splice closures in the market can only realize a simple function of cutting connection, and the optical cables need to be completely cut and then welded, so that the requirement of not cutting the optical cable connection cannot be met. Therefore, the construction time and the optical fiber welding cost are increased, and the communication quality is influenced. However, if the cable inlet and outlet is designed to be a symmetrical split structure, the box body can be slightly deformed during integral injection molding, so that the cover nut cannot be completely screwed down, and the sealing performance of the optical cable joint box is affected.
Therefore, a new optical cable joint box is needed, which not only can realize the functions of direct connection and drawing connection of the optical cable, but also can ensure the sealing performance of the optical cable joint box.
Disclosure of Invention
The invention aims to overcome the defects of the background technology, and provides a novel sealing optical cable joint box without broken cables and a using method thereof, which meet the requirements of drawing and connecting optical cables and ensure the sealing reliability.
The invention also provides a novel sealed optical cable joint box without broken cables, which comprises a box body top cover and a bottom box:
an integrated elastic sealing colloid is arranged between the top cover and the bottom box of the box body; the bottom box is provided with a groove for accommodating the integrated elastic sealing colloid;
semicircular wire holes for the cables to enter and exit are formed in the positions, corresponding to the bottom box, on the top cover of the box body, and the semicircular wire holes respectively extend outwards to form semicircular cylindrical connecting pipes;
the optical cable joint box also comprises a split cover type nut for fixing a cable, and the split cover type nut can be sleeved outside the two semi-cylindrical connecting pipes;
the inner wall of the split cover type nut is provided with internal threads, the outer wall of the semi-cylindrical connecting pipe on the top cover of the box body is smooth, and the outer wall of the semi-cylindrical connecting pipe on the bottom box is provided with external threads matched with the internal threads of the split cover type nut.
On the basis of the scheme, the split cover type nut consists of a male connector and a female connector, and internal threads are arranged on the inner walls of the male connector and the female connector; the male connector is provided with a dovetail tenon, and the female connector is provided with a dovetail mortise matched with the dovetail tenon.
On the basis of the scheme, the joint of the tail ends of the concave-convex plug connectors is provided with screw holes communicated with each other.
On the basis of the scheme, the optical cable joint box further comprises a split type plastic push block for fixing the cable, the split type plastic push block is formed by clamping two semicircular cylindrical buckles with the same structure, and the split type plastic push block can be clamped in the two semicircular cylindrical connecting pipes.
On the basis of the scheme, the integrated elastic sealing colloid is composed of a strip-shaped sealing ring and an elastic cylindrical structure; the sealing ring can be clamped in the groove, and the elastic cylindrical structure can be clamped in the two semi-cylindrical connecting pipes.
On the basis of the scheme, the elastic cylindrical structure is a barrel-shaped lock catch structure which can be broken off, and the opening is in an occlusion zigzag shape.
On the basis of the scheme, the inner diameter and the outer diameter of the cross section of the plastic push block are the same as those of the cross section of the elastic cylindrical structure.
On the basis of the scheme, hasp assemblies are correspondingly arranged on the peripheries of the top cover and the bottom box of the box body.
The invention also provides a using method of the novel sealing optical cable joint box without broken cables, which comprises the following steps:
breaking the elastic cylindrical structure of the integrated elastic sealing colloid, and clamping and sleeving the optical cable in the elastic cylindrical structure;
covering the top cover, and clamping the sealing ring in the groove;
sleeving the plastic push block on the optical cable and buckling the plastic push block;
sleeving the split cover type nut on the optical cable, and assembling and splicing;
and the split cover type nut is screwed into the two semicircular cylindrical connecting pipes, the split cover type nut is rotated towards the inner direction of the box body, and the split plastic push block extrudes the elastic pressure cylindrical structure to achieve the sealing effect.
On the basis of the scheme, the using method further comprises the following step of tightly buckling the top cover of the box body on the bottom box through the hasp assemblies arranged at the corresponding positions on the peripheries of the top cover of the box body and the bottom box.
Compared with the prior art, the invention has the following advantages:
1. the cable inlet and outlet of the invention adopts the semi-cylindrical connecting pipe and the split type cover nut which are both in split type asymmetric design, the outer wall of the semi-cylindrical connecting pipe on the top cover of the box body is smooth, the outer wall of the semi-cylindrical connecting pipe on the bottom box is provided with an external thread matched with the internal thread of the split type cover nut, thus solving the problem that the cover nut cannot be screwed down due to the unavoidable micro deformation of the box body during injection molding, and the split type structure not only realizes the functions of direct connection and draw-connection of the optical cable, but also ensures the sealing performance of the whole joint box.
2. The invention also comprises a split type plastic push block for fixing the cable, wherein the split type plastic push block is formed by clamping and connecting two semi-cylindrical buckles with the same structure and can be clamped in the two semi-cylindrical connecting pipes. Push split type plastics ejector pad in half cylinder form connecting pipe, then twist split type lid formula nut, extrude the elastic sealing colloid through split type plastics ejector pad, make its deformation fill the gap and reach sealed effect to the leakproofness of box body has further been increased.
Drawings
Fig. 1 is an exploded view of a closure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the installation of the elastic sealant of the closure of the present invention;
fig. 3 is a schematic structural view of a split type plastic push block of the splice closure according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a split cap nut of a closure according to an embodiment of the present invention;
fig. 5 is a schematic view of the screw-tight seal of the closure of the embodiment of the present invention in an assembled state.
In the figure, 1-box top cover, 2-bottom box, 21-groove, 3-integral elastic sealing colloid, 31-sealing ring, 32-elastic cylindrical structure, 4-semi-cylindrical connecting pipe, 5-split cover type nut, 51-male connector, 52-female connector, 53-dovetail tenon, 54-dovetail mortise, 55-screw hole and 6-split plastic push block.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Example 1:
referring to fig. 1, an embodiment of the present invention provides a novel sealed optical cable splice closure without cable breakage, including a closure top cover 1 and a bottom closure 2;
an integrated elastic sealing colloid 3 is arranged between the top cover 1 and the bottom box 2 of the box body; the bottom box 2 is provided with a groove 21 for accommodating the integrated elastic sealing colloid 3;
semicircular wire holes for the cables to enter and exit are formed in the corresponding positions of the top cover 1 and the bottom box 2 of the box body, and the semicircular wire holes extend outwards to form a semi-cylindrical connecting pipe 4;
the optical cable joint box further comprises a split type cover nut 5 for fixing a cable, and the split type cover nut 5 can be sleeved outside the two semi-cylindrical connecting pipes 4;
the inner wall of the split cover type nut 5 is provided with internal threads, the outer wall of the semi-cylindrical connecting pipe 4 on the box body top cover 1 is smooth, and the outer wall of the semi-cylindrical connecting pipe 4 on the bottom box 2 is provided with external threads matched with the internal threads of the split cover type nut 5.
The embodiment of the invention solves the problem that the cover nut cannot be screwed down due to the unavoidable micro deformation of the box body during injection molding, and the split structure not only realizes the functions of direct connection and draw-in connection of the optical cable, but also ensures the sealing performance of the whole joint box.
In a preferred embodiment, the split cover nut 5 is composed of a male connector 51 and a female connector 52, and inner threads are arranged on the inner walls of the male connector 51 and the female connector 52; the male connector 51 is provided with a dovetail tenon 53, and the female connector 52 is provided with a dovetail mortise 54 matched with the dovetail tenon 53. Screw holes 55 communicated with each other are formed at the joint of the ends of the male and female connectors 51. The dovetail groove 54 of the female connector 52 and the dovetail 53 of the male connector 51 are installed in a butt joint mode, and the male connector and the female connector are fixed through the screw 55 to enable the split cover-type nut 5 to be combined more closely.
In a preferred embodiment, the integral elastic sealing colloid 3 is composed of a strip-shaped sealing ring 31 and an elastic cylindrical structure 32; the seal ring 31 can be clamped in the groove 21, and the elastic cylindrical structure 32 can be clamped in the two semi-cylindrical connecting pipes 4. Thereby further increasing the sealing of the cartridge.
As the preferred embodiment, the optical cable joint box further comprises a split type plastic push block 6 for fixing the cable, wherein the split type plastic push block 6 is formed by clamping two semicircular cylindrical buckles with the same structure, and the split type plastic push block 6 can be clamped in the two semicircular cylindrical connecting pipes 4. The inner and outer diameters of the cross section of the split type plastic push block 6 are the same as the inner and outer diameters of the cross section of the elastic cylindrical structure 32. Push split type plastics ejector pad 6 in semi-cylindrical connecting pipe 4, then twist split type lid nut 5, extrude elasticity sealing colloid 3 through split type plastics ejector pad 6, make its deformation fill the gap and reach sealed effect to the leakproofness of box body has further been increased.
In a preferred embodiment, the elastic cylindrical structure 32 is a barrel-shaped lock catch structure that can be broken off, and the opening is in a shape of a snap saw, so that the optical cable can be passed through the opening by breaking off, and the functions of direct connection and draw-connection of the optical cable can be realized.
In a preferred embodiment, the top cover 1 and the bottom case 2 of the case body are correspondingly provided with snap components at the periphery. Thereby further increasing the sealing of the cartridge.
Example 2:
the embodiment of the invention provides a using method of a novel sealing optical cable joint box without broken cables, which comprises the following steps:
breaking the elastic cylindrical structure 32 of the integrated elastic sealing colloid 3, and clamping the optical cable in the elastic cylindrical structure 32;
covering the top cover, and clamping the sealing ring 31 in the groove 21;
sleeving the split type plastic push block 6 on the optical cable and buckling the split type plastic push block;
sleeving the split cover type nut 5 on the optical cable, and assembling and splicing;
the split cover type nut 5 is screwed into the two semi-cylindrical connecting pipes 4, the split cover type nut 5 is rotated towards the inner direction of the box body, and the split plastic push block 6 extrudes the elastic cylindrical structure 32 to achieve the sealing effect.
The embodiment of the invention solves the problem that the cover nut cannot be screwed down due to the unavoidable micro deformation of the box body during injection molding, and the split structure not only realizes the functions of direct connection and draw-in connection of the optical cable, but also ensures the sealing performance of the whole joint box. According to the embodiment of the invention, the split type plastic push block 6 is pushed into the semi-cylindrical connecting pipe 4, then the split type cover nut 5 is screwed, and the split type plastic push block 6 extrudes the elastic sealing colloid 3 to deform and fill the gap to achieve a sealing effect, so that the sealing property of the box body is further improved.
The using method also comprises the following steps that the box body top cover 1 is tightly buckled on the bottom box 2 through the hasp assemblies arranged at the corresponding positions on the peripheries of the box body top cover 1 and the bottom box 2, so that the sealing performance of the box body is further improved.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention, provided they are within the scope of the claims of the present invention and their equivalents. What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (10)
1. The utility model provides a novel sealed optical cable splice box of no disconnected cable, includes box body top cap (1) and end box (2), its characterized in that:
an integrated elastic sealing colloid (3) is arranged between the top cover (1) and the bottom box (2) of the box body; a groove (21) for accommodating the integrated elastic sealing colloid (3) is formed in the bottom box (2);
semicircular wire holes for the cables to enter and exit are formed in the positions, corresponding to the bottom box (2), on the top cover (1) of the box body, and the semicircular wire holes respectively extend outwards to form semicircular cylindrical connecting pipes (4);
the optical cable joint box also comprises a split cover type nut (5) used for fixing a cable, and the split cover type nut (5) can be sleeved outside the two semi-cylindrical connecting pipes (4);
the inner wall of the split cover type nut (5) is provided with internal threads, the outer wall of the semi-cylindrical connecting pipe (4) on the box body top cover (1) is smooth, and the outer wall of the semi-cylindrical connecting pipe (4) on the bottom box (2) is provided with external threads matched with the internal threads of the split cover type nut (5).
2. The novel cable-break-free sealed cable closure of claim 1, wherein:
the split cover type nut (5) is composed of a male connector (51) and a female connector (52), and internal threads are arranged on the inner walls of the male connector (51) and the female connector (52); the male plug connector (51) is provided with a dovetail tenon (53), and the female plug connector (52) is provided with a dovetail mortise (54) matched with the dovetail tenon (53).
3. The novel cable-break-free sealed cable closure of claim 2, wherein:
screw holes (55) which are communicated with each other are arranged at the joint of the tail ends of the concave-convex plug connectors (51).
4. The novel cable-break-free sealed cable closure of claim 1, wherein: the optical cable joint box further comprises a split type plastic push block (6) used for fixing the cable, the split type plastic push block (6) is formed by clamping two semicircular cylindrical buckles with the same structure, and the split type plastic push block (6) can be clamped in the two semi-cylindrical connecting pipes (4).
5. The novel cable-break-free sealed cable closure of claim 4, wherein: the integrated elastic sealing colloid (3) consists of a strip-shaped sealing ring (31) and an elastic cylindrical structure (32); the sealing ring (31) can be clamped in the groove (21), and the elastic cylindrical structure (32) can be clamped in the two semi-cylindrical connecting pipes (4).
6. The novel cable-break-free sealed cable closure of claim 5, wherein: the elastic cylindrical structure (32) is a barrel-shaped lock catch structure which can be broken off, and the opening is in a meshing zigzag shape.
7. The novel cable-break-free sealed cable closure of claim 5, wherein: the inner diameter and the outer diameter of the cross section of the plastic push block (5) are the same as those of the elastic cylindrical structure (32).
8. The novel cable-break-free sealed cable closure of claim 1, wherein: hasp assemblies are correspondingly arranged on the periphery of the box body top cover (1) and the bottom box (2).
9. The use method of the novel cable-break-free sealed cable joint box according to any one of claims 6 to 8, characterized by comprising the following steps:
breaking the elastic cylindrical structure (32) of the integrated elastic sealing colloid (3) and clamping and sleeving the optical cable in the elastic cylindrical structure (32);
covering a top cover, and clamping the sealing ring (31) in the groove (21);
sleeving the plastic push block (5) on the optical cable and buckling the plastic push block;
sleeving the split cover type nut (5) on the optical cable, and assembling and splicing;
and the split cover type nut (5) is screwed into the two semicircular cylindrical connecting pipes (4), the split cover type nut (5) is rotated towards the inner direction of the box body, and the split plastic push block (6) extrudes the elastic pressure cylindrical structure (32) to achieve the sealing effect.
10. Use according to claim 9, characterized in that: the using method further comprises the following step of tightly buckling the box body top cover (1) on the bottom box (2) through the hasp assemblies arranged at corresponding positions on the peripheries of the box body top cover (1) and the bottom box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011098.3A CN109613670B (en) | 2019-01-07 | 2019-01-07 | Novel sealing optical cable joint box without cable breakage and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011098.3A CN109613670B (en) | 2019-01-07 | 2019-01-07 | Novel sealing optical cable joint box without cable breakage and using method thereof |
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| Publication Number | Publication Date |
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| CN109613670A CN109613670A (en) | 2019-04-12 |
| CN109613670B true CN109613670B (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910011098.3A Active CN109613670B (en) | 2019-01-07 | 2019-01-07 | Novel sealing optical cable joint box without cable breakage and using method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904504B (en) * | 2019-12-04 | 2022-09-30 | 烽火通信科技股份有限公司 | Preformed end type extension splicing box |
| CN114415304B (en) * | 2022-01-30 | 2023-10-20 | 华为技术有限公司 | Optical cable splice closure and associated optical cable connection device |
Citations (6)
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| US5862290A (en) * | 1997-05-01 | 1999-01-19 | Lucent Technologies Inc. | Optical fiber cable splice closure |
| CN2598003Y (en) * | 2002-12-12 | 2004-01-07 | 浙江昌宇达光电通信有限公司 | Optical cable connector box |
| EP2273294A2 (en) * | 2009-07-09 | 2011-01-12 | Nexans | Connecting housing for optical fibres |
| CN107065102A (en) * | 2017-04-20 | 2017-08-18 | 中天宽带技术有限公司 | A kind of quick unlatching cable splice closure |
| CN107144929A (en) * | 2017-06-02 | 2017-09-08 | 浙江超前通信设备有限公司 | It is a kind of to seal cable splice closure without screw |
| CN108983380A (en) * | 2018-04-19 | 2018-12-11 | 胡肖平 | A kind of substep sealing structure of cable splice closure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000536A (en) * | 1986-07-21 | 1991-03-19 | At&T Bell Laboratories | Connector for optical fiber cable |
| CN202583515U (en) * | 2012-06-07 | 2012-12-05 | 苏州新海宜通信科技股份有限公司 | Introduced optical cable hot fusion protector |
| US10197758B2 (en) * | 2016-08-02 | 2019-02-05 | David Michael Cloninger | Micro-duct reclamation compression coupling |
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2019
- 2019-01-07 CN CN201910011098.3A patent/CN109613670B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5862290A (en) * | 1997-05-01 | 1999-01-19 | Lucent Technologies Inc. | Optical fiber cable splice closure |
| CN2598003Y (en) * | 2002-12-12 | 2004-01-07 | 浙江昌宇达光电通信有限公司 | Optical cable connector box |
| EP2273294A2 (en) * | 2009-07-09 | 2011-01-12 | Nexans | Connecting housing for optical fibres |
| CN107065102A (en) * | 2017-04-20 | 2017-08-18 | 中天宽带技术有限公司 | A kind of quick unlatching cable splice closure |
| CN107144929A (en) * | 2017-06-02 | 2017-09-08 | 浙江超前通信设备有限公司 | It is a kind of to seal cable splice closure without screw |
| CN108983380A (en) * | 2018-04-19 | 2018-12-11 | 胡肖平 | A kind of substep sealing structure of cable splice closure |
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| CN109613670A (en) | 2019-04-12 |
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