CN206788426U - A kind of fiber cable joint protection and connection device for preparation joint branched cable - Google Patents

Abstract

The utility model discloses a kind of fiber cable joint protection for preparation joint branched cable and connection device; fiber cable joint protection device includes cable connector, protection structure and sealing device; cable connector is connected with branched cable; protection structure is removably tightly connected with cable connector; branched cable one end may pass through cable connector and be placed in protection structure; sealing device is removably tightly connected with protection structure, and fiber cable joint connection device is detachably connected with protection structure.The utility model overcomes the optical fiber of preparation joint branched cable and joint is transporting and easy impaired shortcoming in laid processes; it can be very good to protect the optical fiber of prefabricated optical cable and fibre-optical splice against damages in transport, laid processes; and the optimization for passing through material; make device overall lighter, cost is lower；Simultaneously when optical cable needs continue, extended, it is more convenient, is quick, giving full play to the characteristics of prefabricated optical cable is simple, quick, inexpensive.

Description

A kind of fiber cable joint protection and connection device for preparation joint branched cable

Technical field

It the utility model is related to the fiber optic cable communications in communication field, and in particular to a kind of for preparation joint branched cable Fiber cable joint is protected and connection device.

Background technology

At present, communication field is such as connected using traditional optical cable when using fiber optic cable communications, is required for professional welding skill greatly Art librarian use specialty welder, scene carry out welding, grinding, and field test welding quality, construction cost and difficulty compared with Height, also there is the high requirement of comparison to technical staff.

Existing increasingly popularization uses a kind of preparation joint branched cable in the industry, and this optical cable uses a kind of branched structure light Cable, fiber cable joint can be made in factory in advance, during onsite application, equipment or other light can be directly connected to after the completion of laying Cable.This optical cable is commonly referred to as " preparation joint optical cable " or " pre-connection type optical cable ".It directly connects after can realizing scene laying Use is connect, it is simple, convenient and significantly cost-effective, favored by users, especially in short distance optic communication Using very universal.

But because optical fiber and fibre-optical splice are easier to damage, and joint pre-production is good, the length of optical cable is just fixed not Becoming, this causes " preparation joint optical cable " two deadly defects to be present in practical application, when in transport and laid processes, easily Optical fiber and fibre-optical splice are caused to damage, and once damaged, factory must be returned again and make joint or live welding；Second, in reality During use, if cable length estimates deficiency, or during temporary needs extension optical cable, it is necessary to cut off connecing for optical cable one end Head, live Fusion Joining extension is carried out, so it is lost the advantages of original, influenceed engineering progress on the contrary, be added to This.

For these problems, now in industry also occur successively the protection device of the prefabricated optical cable of some metal materials and The prefabricated optical cable fast splicing device of some splice tray classes.

Although current these protection devices and connection device can solve these problems to a certain extent, exist following Railway Project：

(1) protection device is made using heavy metal material more, though it is sturdy and durable, it is overall more huge, heavy, it is unfavorable for Used in complicated construction environment.And for metal rust preventing, apparatus surface is more using coats of metal such as nickel, not environmentally friendly enough, cost Also it is higher；

(2) connection device is mostly fast splicing box class product, because box body structure limits, typically can all be taken during use The more regular space of relatively large and shape, higher is required to use environment.It is also rather inconvenient to install and use；

(3) current such device is typically all only limited to the problem for solving protection or continuing, can not be simultaneously simultaneous Care for both and the more solution of system.

Utility model content

The utility model is in order to solve the above problems, so as to provide a kind of fiber cable joint for preparation joint branched cable Protection and connection device.

To reach above-mentioned purpose, the technical solution of the utility model is as follows：

A kind of fiber cable joint protection device for preparation joint branched cable, the fiber cable joint protection device include electricity Cable joint, protection structure and sealing device, the cable connector are connected with branched cable, and the protection structure connects with cable Head be removably tightly connected, branched cable one end may pass through cable connector and be placed in protection structure, the sealing device with Protection structure is removably tightly connected.

In a preferred embodiment of the present utility model, the cable connector is locking type nylon cable joint.

In a preferred embodiment of the present utility model, the protection structure from top to bottom includes nylon screw thread and connected successively Adapter, the first ripple hose coupling, nylon corrugated protective conduits and the second corrugated flexible hose joint, the nylon screw nipple and electricity Cable joint is threadedly coupled, and the first ripple hose coupling is threadedly coupled with nylon screw nipple, the nylon ripple protection Pipe one end snaps connection with the first ripple hose coupling, the nylon corrugated protective conduits other end and the second corrugated flexible hose joint card Button connection, the sealing device are connected with the second corrugated flexible hose joint sealing.

In a preferred embodiment of the present utility model, the sealing device is a closure, the closure and Two corrugated flexible hose joint screw threads connect.

In a preferred embodiment of the present utility model, the closure bottom is provided with laying towing point.

A kind of fiber cable joint connection device for preparation joint branched cable, the fiber cable joint connection device and protection Structure is detachably connected, wherein one end of a branched cable may pass through one that protection structure is placed in fiber cable joint connection device End, one end of another branched cable can be placed in the other end of fiber cable joint connection device.

In a preferred embodiment of the present utility model, the fiber cable joint connection device from top to bottom includes the successively One nylon reducing ring, the first protection aluminum pipe, metal adapter ring, metal flange piece, the double male screw shackles of metal, the second protection Aluminum pipe and the second nylon reducing ring, described first nylon reducing ring one end are connected with the second corrugated flexible hose joint screw thread, and described One protection aluminum pipe is threadedly coupled with the first nylon reducing ring other end, and the metal adapter ring and the first protection aluminum pipe screw thread connect Connect, the metal flange piece is caught in metal adapter ring, and the double male screw shackles of the metal connect with metal adapter ring screw thread Connect, the second protection aluminum pipe is threadedly coupled with the double male screw shackles of metal, and the second nylon reducing ring and second is protected Protect aluminum pipe threaded connection.

The beneficial effects of the utility model are：

The utility model overcome preparation joint branched cable optical fiber and joint transport and laid processes in easy quilt The shortcomings that damage, it can be very good to protect the optical fiber of prefabricated optical cable and fibre-optical splice against damages in transport, laid processes, and And by the optimization of material, make device overall lighter, cost is lower；Simultaneously when optical cable needs continue, extended, be more convenient, Fast, the characteristics of prefabricated optical cable is simple, quick, inexpensive is given full play to, is really brought to user and uses upper facility.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of fiber cable joint protection device；

Fig. 2 is the explosive view of fiber cable joint protection device；

Fig. 3 is fiber cable joint connection device and fiber cable joint protection device cooperation schematic diagram；

Fig. 4 is the explosive view of fiber cable joint connection device.

Embodiment

In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under Face combines and is specifically illustrating, and the utility model is expanded on further.

Referring to Fig. 1, the fiber cable joint protection device provided by the utility model for preparation joint branched cable, it is to use Optical fiber and joint in parcel branched cable end, are protected, it includes cable connector to the optical fiber and joint of optical cable end 100th, protection structure 200 and sealing device 300.

Cable connector 100, its locking type nylon cable are connect, and it is connected with branched cable, and branched cable one end can be worn Cross cable connector 100.

Protection structure 200, it is removably tightly connected with cable connector 100, and it is close for being carried out to branched cable Envelope protection, it is disposed inside that branched cable one end may pass through cable connector 100.

Protection structure 200 from top to bottom includes nylon screw nipple 210, the first ripple hose coupling 220, nylon successively The corrugated flexible hose joint 240 of corrugated protective conduits 230 and second.

Nylon screw nipple 210 is threadedly coupled with cable connector 100, the first ripple hose coupling 220 and nylon screw thread Connecting tube 210 is threadedly coupled, and the one end of nylon corrugated protective conduits 230 snaps connection with the first ripple hose coupling 220, the other end with Second corrugated flexible hose joint 240 snaps connection.

So, nylon screw nipple 210, the first ripple hose coupling 220, the ripple of nylon corrugated protective conduits 230 and second Line hose coupling 240 passes sequentially through detachably connected so as to form protection structure 200, is easy to repair and installs.

Sealing device 300, its specific closure, it is specifically threadedly coupled with the second corrugated flexible hose joint 240, and it is to use Sealed in by the bottom of the second corrugated flexible hose joint 240, and laying towing point 310 is specifically provided with closure bottom.

Due between locking type nylon cable joint 100, nylon screw nipple 210, the first ripple hose coupling 220, And second between corrugated flexible hose joint 240 and sealing device 300 successively using threaded connection so that the sound construction after connection It is not easy to loosen.

Further, since the ripple hose coupling 220 of nylon corrugated protective conduits 230 and first and the second corrugated flexible hose joint 240 Between using special unidirectional buckle fixed form, so that nylon corrugated protective conduits 230 are easy to that hose coupling can be penetrated Kink buckle in, the ripple notch on the surface of nylon corrugated protective conduits 230 is caught in around four uniform unidirectional buckles, When reversely pullling nylon corrugated protective conduits 230, unidirectional buckle circumferentially uniformly tightly blocks neck so that structure is very firm Gu

By the connection of above-mentioned part, the specific installing engineering of fiber cable joint protection device is as follows：

Before making joint on the optical fiber at branched cable both ends, in advance locking type nylon cable joint 100, nylon screw thread Connecting tube 210, the first ripple hose coupling 220 are assembled with thread connecting mode, and are inserted in the both ends of branched cable, will Optical cable termination sequentially passes through locking type nylon cable joint 100, the ripple hose coupling 220 of nylon screw nipple 210 and first；

Then fiber optic cable production fibre-optical splice is given according to normal joint production process：Stripping fiber optic cables oversheath, the length of stripping Degree does not exceed the length of nylon corrugated protective conduits 230, and generally, the length of nylon corrugated protective conduits 230 can be according to reality Border application requirement is set, and fiber connector, grinding, cleaning, detection are made on branched cable；

After tool joint monitor is qualified, penetrated from the one end of nylon corrugated protective conduits 230, the other end passes, nylon corrugated protective conduits 230 are pierced into the kink buckle of the first ripple hose coupling 220 and are connected, and the second corrugated flexible hose then is connect into 240 and nylon Corrugated protective conduits 230 are to snap connection；

Hand-held fixed locking type nylon cable joint 100, light pull branched cable, makes fibre-optical splice be in protection pipe, Then locking type nylon cable joint 100 is tightened, it is firmly clamped optical cable, sealing device 300 and corrugated flexible hose are connect First 240 seal with screwed joint, so, branched cable and fibre-optical splice are just loaded into protection pipe to be protected well.

The preparation joint branched cable protected by the application can make transport as the transport and laying ordinary optical cable More simple with laying, optical cable only need to hold fixed nylon screw nipple 210, back out after good using live laying installation First ripple hose coupling 220, kept when screwing nylon corrugated protective conduits 230 will not concomitant rotation, after backing out, by the first ripple Hose coupling 220, nylon corrugated protective conduits 230, the second corrugated flexible hose joint 240 and end seal device 300 are entirely removed, dew Go out cable and joint in branched cable, be directly used in equipment connection communication or with other cable connections, it is not necessary to welding or grinding, The optical cable technology personnel of specialty are not needed, operate very simple.

The application uses high performance nylon tubulose attachment structure, is fixedly clamped by gland head on cable outer sheath, by light The protection completely of cable and fiber cable joint is overall light inside device, is easy to cable laying operation, and when transport and draw operations, external force is only It is applied on protection device and cable outer sheath, optical cable inner core is not influenceed, protective value is reliable.

Referring to Fig. 3 and Fig. 4, the application is except protecting optical cable, moreover it is possible to while quick connection, continuity between optical cable are realized, The application also includes a fiber cable joint connection device 400 to match with fiber cable joint protection device.

When the preparation joint optical cable for being mounted with fiber cable joint protection device needs to continue extension, a same peace must be prepared The preparation joint optical cable of fiber cable joint protection device has been filled, the sealing device 300 in fiber cable joint protection device has been removed, will Fiber cable joint connection device 400 is attached with fiber cable joint protection device.

So, wherein one end of a branched cable, which may pass through protection structure, is placed in fiber cable joint connection device 400 One end, one end of another branched cable can be placed in the other end of fiber cable joint connection device 400, so as to realize between optical cable Quick connection, continuity.

Fiber cable joint connection device 400 from top to bottom successively include the first nylon reducing ring 410, first protection aluminum pipe 420, The double male screw shackles 450, second of metal adapter ring 430, metal flange piece 440, metal protect the nylon of aluminum pipe 460 and second Reducing ring 470.

The one end of first nylon reducing ring 410 is specifically threadedly coupled with the second corrugated flexible hose joint 240, the first protection aluminum pipe 420 are threadedly coupled with the other end of the first nylon reducing ring 410, and metal adapter ring 430 is threadedly coupled with the first protection aluminum pipe 420, Metal flange piece 440 can be caught in metal adapter ring 430, the double male screw shackles 450 of metal and the screw thread of metal adapter ring 430 Connection, the second protection aluminum pipe 460 are threadedly coupled with the double male screw shackles 450 of metal, the second nylon reducing ring 470 and second Protection aluminum pipe 460 is threadedly coupled.

Due to the first nylon of the corrugated flexible hose joint 240 and fiber cable joint connection device 400 of fiber cable joint protection device Reducing ring 410, first protects the double male screw shackles 450, second of aluminum pipe 420, metal adapter ring 430, metal to protect aluminum pipe 460th, between the second nylon reducing ring 460, successively using threaded connection, so that attachment structure is firmly not easy to loosen, and It is also convenient for detachable maintaining.

In addition, the first protection aluminum pipe 420 and second protects aluminum pipe 460 to use high-quality national standard aluminium, have quite superior Resistance against physical impact property, effectively protect the safety for the connecting portion that continues.

By the connection of above-mentioned part, the specific installing engineering of fiber cable joint connection device 400 is as follows：

The sealing device 300 of the fiber cable joint protection device of " splicing cables to be extended " is removed, then locking type Buddhist nun Imperial cable connector 100 is unscrewed, and touches to send and changes optical cable, fiber cable joint is stretched out from nylon corrugated protective conduits 230；

Then by the first nylon reducing ring 410 with the second corrugated flexible hose joint 240 to be threadedly coupled, by the first nylon reducing The other end of ring 410, to be threadedly coupled, the other end of the first protection aluminum pipe 420 is transferred with metal with the first protection aluminum pipe 420 The male thread end of ring 430 is accessed on the ST flanges on metal flange piece 440 to be threadedly coupled, by the ST fiber cable joints of stretching, then Metal flange piece 440 is caught in into metal to turn in connection ring 430；

Then hold fixed nylon screw nipple 210, gently draw cable end, make in nylon corrugated protective conduits 230 optical cable from So elongation, then tighten locking type nylon cable joint 100；

Then fiber cable joint will be stretched out by same step " for extending splicing cables ", by the second nylon reducing ring 470, second The double male screw shackles 450 of aluminum pipe 460, metal are protected, are inserted in successively on the fiber cable joint of " for extending splicing cables ", by light Cable joint is inserted on the ST flanges on metal flange piece 440, then hand-held fixed metal adapter ring 430, by the double male spiral shells of metal Line connection ring 450, to be threadedly coupled, holds the double male screw shackles 450 of fixed metal, by metal pair with metal adapter ring 430 Male screw shackle 450 with second protection one end of aluminum pipe 460 to be threadedly coupled, it is hand-held to fix the second protection aluminum pipe 460, by the The other end of two protection aluminum pipes 460, to be threadedly coupled, fixes the second nylon reducing ring 470 and light with the second nylon reducing ring 470 Nylon screw nipple 410 in cable joint protection device, twist the second corrugated flexible hose joint of " for extending splicing cables " 240, make the second nylon reducing ring 470 with the second corrugated flexible hose joint 240 to be threadedly coupled, hold " for extending splicing cables " Fixed nylon screw nipple 410, gently draws cable end, optical cable in protection pipe is extended naturally, tighten locking type nylon cable and connect First 100.So, " splicing cables to be extended " " for extending splicing cables " with regard to successful connection with getting up.

Implementation based on such scheme, the application can be effectively protected branched cable and fibre-optical splice, make optical cable and connect Head is not easy to be damaged in transport and laid processes, while realization that can also be easily and effectively extends splicing cables, and in connection device Protect aluminum pipe effectively to protect fiber cable joint from pressure injury, make the laying of optical cable, installation more convenient, use, extension are more Flexibly, and product uses environmentally friendly nylon material and high-quality national standard aluminium, and overall lighter, protective value is more guaranteed.

The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims (5)

1. A kind of 1. fiber cable joint protection device for preparation joint branched cable, it is characterised in that the fiber cable joint protection Device includes cable connector, protection structure and sealing device, and the cable connector is connected with branched cable, the protection knot Structure is removably tightly connected with cable connector, and branched cable one end may pass through cable connector and be placed in protection structure, described Sealing device is removably tightly connected with protection structure, and the protection structure from top to bottom includes nylon and is threadedly coupled successively Pipe, the first ripple hose coupling, nylon corrugated protective conduits and the second corrugated flexible hose joint, the nylon screw nipple and cable Joint screw thread is connected, and the first ripple hose coupling is threadedly coupled with nylon screw nipple, the nylon corrugated protective conduits One end snaps connection with the first ripple hose coupling, the nylon corrugated protective conduits other end and the second corrugated flexible hose joint buckle Connection, the sealing device is connected with the second corrugated flexible hose joint sealing, and the sealing device is a closure, the closure It is connected with the second corrugated flexible hose joint screw thread.
2. 2. a kind of fiber cable joint protection device for preparation joint branched cable according to claim 1, its feature exist In the cable connector is locking type nylon cable joint.
3. 3. a kind of fiber cable joint protection device for preparation joint branched cable according to claim 1, its feature exist In the closure bottom is provided with laying towing point.
4. 4. a kind of being used for for fiber cable joint protection device for preparation joint branched cable based on described in claim 1 is prefabricated The fiber cable joint connection device of linker branches optical cable, it is characterised in that the fiber cable joint connection device and protection structure are removable Connection is unloaded, one end of one of branched cable may pass through one end that protection structure is placed in fiber cable joint connection device, another One end of individual branched cable can be placed in the other end of fiber cable joint connection device.
5. 5. a kind of fiber cable joint connection device for preparation joint branched cable according to claim 4, its feature exist In the fiber cable joint connection device from top to bottom includes the first nylon reducing ring, the first protection aluminum pipe, metal switching successively The double male screw shackles of ring, metal flange piece, metal, the second protection aluminum pipe and the second nylon reducing ring, first nylon Reducing ring one end is connected with the second corrugated flexible hose joint screw thread, the first protection aluminum pipe and the first nylon reducing ring other end spiral shell Line is connected, and the metal adapter ring is threadedly coupled with the first protection aluminum pipe, and the metal flange piece is caught in metal adapter ring, institute State the double male screw shackles of metal to be threadedly coupled with metal adapter ring, the second protection aluminum pipe connects with the double male screw threads of metal Ring threaded connection is connect, the second nylon reducing ring is threadedly coupled with the second protection aluminum pipe.