CN2677956Y - Frame type fibre-optical band and loose double-pipe mixed optical cable - Google Patents
Frame type fibre-optical band and loose double-pipe mixed optical cable Download PDFInfo
- Publication number
- CN2677956Y CN2677956Y CN 200420017258 CN200420017258U CN2677956Y CN 2677956 Y CN2677956 Y CN 2677956Y CN 200420017258 CN200420017258 CN 200420017258 CN 200420017258 U CN200420017258 U CN 200420017258U CN 2677956 Y CN2677956 Y CN 2677956Y
- Authority
- CN
- China
- Prior art keywords
- optical
- sleeve pipe
- skeleton
- loose sleeve
- optical cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Abstract
The utility model relates to a frame type optical fiber band and loose double-pipe mixed optical cable used for light transmission line of optical telecommunications network, comprising a frame, a water-blocking member and an outer sheath. A circular direction of the frame is provided with an optical fibre band groove and an optical fibre band. The difference is that a casing groove is also arranged in the circular direction of the frame and the casing groove is coated with a loose pipe sheathed with an optical fibre. The utility model has the advantages that both the optical fibre band and a separable optical fibre are arranged in the optical cable by simultaneously arranging the optical fibre band and the loose pipe in the frame type optical cable. The mixed optical cable composed by the method is more suitable for matching in construction with originally coated optical cables and optical fibre distributing frames (ODF frame). Users can continuously connect by the band type optical fibre in the optical cable or the separable optical fibre according to requirement when users meet branching. The utility model is convenient for the optical cable construction under complicated states and lowers the cost of optical cable laying.
Description
Technical field
The utility model relates to a kind of skeleton fibre ribbon that is used for the fiber optic communication network optical transmission line and mixes with loose sleeve pipe optical cable is set.
Background technology
Existing slotted core cable is made of skeleton, the fibre ribbon, waterstop, moisture barrier and the oversheath that are installed in the skeleton grooves, and the big characteristics of fibre ribbon amount that intensity is good owing to having for slotted core cable, structure is provided with rationally, can place are widely used.Yet existing slotted core cable only is placed with fibre ribbon, joins with former laying optical cable and fibre distribution frame (ODF frame) when slotted core cable in practice of construction, need be when difference when separating fine continued access, can't realize easily, brought trouble to construction.
Summary of the invention
Technical problem to be solved in the utility model be to overcome the deficiency that prior art exists and provide a kind of when construction, be convenient to ribbon fiber with separate skeleton fibre ribbon and the loose sleeve pipe composite cable that fibre continues.
The utility model is that the technical scheme that problem adopted of the above-mentioned proposition of solution is: include skeleton 1, water-blocking component and oversheath 10, being circumferentially with fine trough of belt 7 and installing fibre ribbon 3 of skeleton, its difference be skeleton circumferentially also be provided with bushing slot 9, lay the loose sleeve pipe 8 that is set with optical fiber in the bushing slot.
Press such scheme, described skeleton middle part is installed on central reinforce member 5; Described water-blocking component is a waterstop 2, and is wrapped in the periphery of skeleton; Be coated with moisture barrier 6 at water-blocking component, described moisture barrier is moistureproof aluminium strip or moistureproof steel band; Described oversheath 10 is the PE oversheath.
The beneficial effects of the utility model are by fibre ribbon and loose sleeve pipe are set in slotted core cable simultaneously, make that existing fibre ribbon has separation optical fiber again in the optical cable, constituting the mixed type optical cable thus more is applicable in construction and the cooperating of former laying optical cable and fibre distribution frame (ODF frame), the user can continue with ribbon fiber in the cable or separation fibre when difference as required, bring convenience to the optical cable construction under the complex state, also can reduce the cost of fiber cable laying.
Description of drawings
Fig. 1 is the radial section structural drawing of an embodiment of the utility model.
Embodiment
An embodiment of the present utility model as shown in Figure 1, include the skeleton 1 that extends to two of a uniform cross section, make by high density polyethylene, the skeleton middle part is installed on central reinforce member 5, central reinforce member is the metal center reinforcement, at fine trough of belt 7 of circumferentially offering of skeleton and bushing slot 9, wherein fine trough of belt can be 2-12, bushing slot can be 1-2, fine trough of belt and bushing slot all in the shape of a spiral shape or SZ strand shape extend forward, lay the fibre ribbon 3 that is formed by stacking in fine trough of belt, fibre ribbon is lined up flat by optical fiber communication and is formed with UV curing acrylic resin-coating or bonding, can be 4 cores, 6 cores or 8 core fibre bands; Lay the loose sleeve pipe 8 that is set with optical fiber in the bushing slot, loose sleeve pipe can be provided with the 1-8 root, is coated with multifiber in the loose sleeve pipe, is extruded into sleeve pipe with plastics in outside of fiber and forms, and fills greasy for preventing water simultaneously between pipe and optical fiber; Be surrounded with waterstop 2 in the skeleton periphery of having installed fibre ribbon and loose sleeve pipe, the moistureproof aluminium strip of vertical again bag outside waterstop, outermost layer coats oversheath 10, and oversheath can be the PE oversheath, can install in the oversheath and tear rope 4, constitute a kind of mixed type optical cable of half dry type structure.
The fine trough of belt of the utility model skeleton and bushing slot number should be earlier according to contained fibre ribbon in the cable with separate how many designs of optical fiber, for example, this optical cable can form and comprise 432 core ribbon fibers and add 48 cores and separate the optical fiber structure of totally 480 cores.The pine bushing slot specially loosens sleeve pipe, and its size (mainly being groove width) is according to diameter and how many decisions of loose sleeve pipe, and all the other each groove sizes of putting fibre ribbon design by corresponding requirements.
During the utility model stranding fibre ribbon routinely technology put into fine trough of belt, the pine sleeve pipe adopt initiatively unwrapping wire separately or and drain into bushing slot, to guarantee that by structural design and Tension Control optical fiber all obtains suitable surplus length in fibre ribbon and the sleeve pipe, carry out the processing and the making of waterstop, moisture barrier and oversheath then successively.
Claims (7)
1, a kind of skeleton fibre ribbon and loose sleeve pipe composite cable, include skeleton (1), water-blocking component and oversheath (10), being circumferentially with fine trough of belt (7) and installing fibre ribbon (3) of skeleton, it is characterized in that skeleton circumferentially also be provided with bushing slot (9), lay the loose sleeve pipe (8) that is set with optical fiber in the bushing slot.
2,, it is characterized in that described skeleton middle part is installed on central reinforce member (5) by described skeleton fibre ribbon of claim 1 and loose sleeve pipe composite cable.
3, by claim 1 or 2 described skeleton fibre ribbons and loose sleeve pipe composite cable, it is characterized in that described water-blocking component is waterstop (2), wrapped in the periphery of skeleton.
4, by claim 1 or 2 described skeleton fibre ribbons and loose sleeve pipe composite cable, it is characterized in that being coated with moisture barrier (6) at water-blocking component.
5, by described skeleton fibre ribbon of claim 4 and loose sleeve pipe composite cable, it is characterized in that described moisture barrier (6) is moistureproof aluminium strip or moistureproof steel band.
6, by claim 1 or 2 described skeleton fibre ribbons and loose sleeve pipe composite cable, it is characterized in that described oversheath (10) is the PE oversheath.
7, by claim 1 or 2 described skeleton fibre ribbons and loose sleeve pipe composite cable, it is characterized in that fine trough of belt is 2-12, bushing slot is 1-2, fine trough of belt and bushing slot all in the shape of a spiral shape or SZ strand shape extend forward, in fine trough of belt, lay the fibre ribbon (3) that is formed by stacking, lay the loose sleeve pipe (8) that is set with optical fiber in the bushing slot, loose sleeve pipe is provided with the 1-8 root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420017258 CN2677956Y (en) | 2004-02-26 | 2004-02-26 | Frame type fibre-optical band and loose double-pipe mixed optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420017258 CN2677956Y (en) | 2004-02-26 | 2004-02-26 | Frame type fibre-optical band and loose double-pipe mixed optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2677956Y true CN2677956Y (en) | 2005-02-09 |
Family
ID=34583101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420017258 Expired - Lifetime CN2677956Y (en) | 2004-02-26 | 2004-02-26 | Frame type fibre-optical band and loose double-pipe mixed optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2677956Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730667A (en) * | 2015-04-23 | 2015-06-24 | 龚利芬 | Skeleton type optical cable and manufacturing method thereof |
-
2004
- 2004-02-26 CN CN 200420017258 patent/CN2677956Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730667A (en) * | 2015-04-23 | 2015-06-24 | 龚利芬 | Skeleton type optical cable and manufacturing method thereof |
| CN104730667B (en) * | 2015-04-23 | 2017-12-01 | 浙江江山博奥电气有限公司 | Slotted core cable and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140226 Granted publication date: 20050209 |