Butterfly leading in cable
Technical field
The utility model belongs to optical fiber cable technical field, especially relates to butterfly leading in cable.
Background technology
People's Republic of China (PRC) communication industry standard YD/T 1997-2009 defines the technical requirement of Access Network butterfly leading in cable and the structure of recommendation.Its appendix A recommends 6 kinds of typical structures, because this optical cable is mainly used in fiber active linker, and fiber active linker is when making, normally the two ends of butterfly leading in cable is each passed through the external member of truncated cone-shaped, for the outer Width not requirement substantially of optical cable.Therefore, applicant think this kind of optical cable also also exist structure optimization possibility thus reach low-carbon environment-friendly, joint Zhi Jiangben object.
Utility model content
In order to solve the problem, the purpose of this utility model discloses a kind of butterfly leading in cable; It realizes by the following technical solutions.
In the utility model first embodiment, butterfly leading in cable, the sheath including optical fiber, be distributed in the pair of reinforcing pieces of the upper and lower both sides of optical fiber symmetrically, optical fiber and reinforcement integral coating lived, the sheath of the arranged on left and right sides of optical fiber is provided with tearing port; It is characterized in that also having a micro-sleeve pipe in described sheath, optical fiber is arranged in micro-sleeve pipe, and the axis of micro-sleeve pipe overlaps with the central axis of sheath, and fiber outer surface is coated with greasy for preventing water, and reinforcement edge is 0.4mm to the minor increment at sheath edge.
In the utility model second embodiment, butterfly leading in cable, the sheath including optical fiber, be distributed in the pair of reinforcing pieces of the upper and lower both sides of optical fiber symmetrically, optical fiber and reinforcement integral coating lived, the sheath of the arranged on left and right sides of optical fiber is provided with tearing port; It is characterized in that also there is in described sheath a micro-sleeve pipe, optical fiber is arranged in micro-sleeve pipe, the axis of micro-sleeve pipe overlaps with the central axis of sheath, fiber outer surface is coated with greasy for preventing water, four angles place of sheath all forms L shape groove, and reinforcement edge is 0.4mm to the minor increment at sheath edge.
In the utility model the 3rd embodiment, butterfly leading in cable, the sheath including optical fiber, be distributed in the pair of reinforcing pieces of the upper and lower both sides of optical fiber symmetrically, optical fiber and reinforcement integral coating lived, the sheath of the arranged on left and right sides of optical fiber is provided with tearing port; It is characterized in that four angles place of described sheath all forms L shape groove, reinforcement edge is 0.4mm to the minor increment at sheath edge.
In the utility model the 4th embodiment, butterfly leading in cable, the sheath including optical fiber, be distributed in the pair of reinforcing pieces of the upper and lower both sides of optical fiber symmetrically, optical fiber and reinforcement integral coating lived, the sheath of the arranged on left and right sides of optical fiber is provided with tearing port; It is characterized in that also there is in described sheath a micro-sleeve pipe, optical fiber is arranged in micro-sleeve pipe, the axis of micro-sleeve pipe overlaps with the central axis of sheath, fiber outer surface is coated with greasy for preventing water, four angles place of sheath all forms L shape groove, the sheath edge of optical fiber left and right side is circular arc, and reinforcement edge is 0.4mm to the minor increment at sheath edge.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that described optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described reinforcement is steel wire or glass fiber reinforced plastics or aramid yarn.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the diameter of described reinforcement is 0.35 ~ 0.65mm.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described sheath is low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the height of described sheath is 2.6 ~ 3.2mm.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the width of described sheath is 1.6 ~ 2.2mm.
The utility model have use more flexibly, low-carbon environment-friendly, the Advantageous Effects such as cost is lower, block-water effect is better, weight is lighter, transportation cost is lower more.
Accompanying drawing explanation
Fig. 1 is the perspective view after one section of stripping of the utility model embodiment 1.
Fig. 2 is the cross-sectional structure schematic diagram after Fig. 1 amplifies.
Fig. 3 is the perspective view after one section of stripping of the utility model embodiment 2.
Fig. 4 is the cross-sectional structure schematic diagram after Fig. 3 amplifies.
Fig. 5 is the perspective view after one section of stripping of the utility model embodiment 3.
Fig. 6 is the cross-sectional structure schematic diagram of the utility model embodiment 4.
Embodiment
embodiment 1
Ask for an interview Fig. 1 and Fig. 2, butterfly leading in cable, the sheath 1 including optical fiber 5, be distributed in the pair of reinforcing pieces 2 of the upper and lower both sides of optical fiber symmetrically, optical fiber and reinforcement integral coating lived, the sheath of the arranged on left and right sides of optical fiber is provided with tearing port 3; It is characterized in that also having a micro-sleeve pipe 4 in described sheath, optical fiber is arranged in micro-sleeve pipe, and the axis of micro-sleeve pipe overlaps with the central axis of sheath, and fiber outer surface is coated with greasy for preventing water, and reinforcement edge is 0.4mm to the minor increment at sheath edge.
embodiment 2
Ask for an interview Fig. 3 and Fig. 4, butterfly leading in cable, the sheath 1 including optical fiber 5, be distributed in the pair of reinforcing pieces 2 of the upper and lower both sides of optical fiber symmetrically, optical fiber and reinforcement integral coating lived, the sheath of the arranged on left and right sides of optical fiber is provided with tearing port 3; It is characterized in that also there is in described sheath a micro-sleeve pipe 4, optical fiber is arranged in micro-sleeve pipe, the axis of micro-sleeve pipe overlaps with the central axis of sheath, fiber outer surface is coated with greasy for preventing water, four angles 6 place of sheath all forms L shape groove, and reinforcement edge is 0.4mm to the minor increment at sheath edge.
embodiment 3
Ask for an interview Fig. 5, butterfly leading in cable, the sheath 1 including optical fiber 5, be distributed in the pair of reinforcing pieces 2 of the upper and lower both sides of optical fiber symmetrically, optical fiber and reinforcement integral coating lived, the sheath of the arranged on left and right sides of optical fiber is provided with tearing port 3; It is characterized in that four angles 6 place of described sheath all forms L shape groove, reinforcement edge is 0.4mm to the minor increment at sheath edge.
embodiment 4
Ask for an interview Fig. 6, butterfly leading in cable, the sheath 1 including optical fiber 5, be distributed in the pair of reinforcing pieces 2 of the upper and lower both sides of optical fiber symmetrically, optical fiber and reinforcement integral coating lived, the sheath of the arranged on left and right sides of optical fiber is provided with tearing port 3; It is characterized in that also there is in described sheath a micro-sleeve pipe 4, optical fiber is arranged in micro-sleeve pipe, the axis of micro-sleeve pipe overlaps with the central axis of sheath, fiber outer surface is coated with greasy for preventing water, four angles 6 place of sheath all forms L shape groove, the sheath edge of optical fiber left and right side is circular arc 7, and reinforcement edge is 0.4mm to the minor increment at sheath edge.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that described optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described reinforcement is steel wire or glass fiber reinforced plastics or aramid yarn.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the diameter of described reinforcement is 0.35 ~ 0.65mm.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described sheath is low-smoke non-halogen flame-retardant tygon or medium density polyethylene or high density polyethylene or Polyvinylchloride.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the height of described sheath is 2.6 ~ 3.2mm.
Butterfly leading in cable described in above-mentioned arbitrary embodiment, is characterized in that the width of described sheath is 1.6 ~ 2.2mm.
Above-mentioned embodiment 1 or embodiment 2 or the butterfly leading in cable described in embodiment 4, is characterized in that the external diameter of described micro-sleeve pipe is 0.45 ~ 0.9mm; The internal diameter of micro-sleeve pipe is 0.25 ~ 0.35mm.
Above-mentioned embodiment 1 or embodiment 2 or the butterfly leading in cable described in embodiment 4, is characterized in that the material of described micro-sleeve pipe is nylon or Polyvinylchloride or tetrafluoroethene.
In the utility model, owing to employing micro-sleeve pipe, optical fiber can penetrate in micro-sleeve pipe easily; optical fiber can not be put into, because wire jumper is generally below 20 meters, therefore when producing optical cable; fibre can be worn easily; and, dissimilar optical fiber can be placed according to the demand of client, and optical cable of the prior art cannot reach this function; in addition; owing to scribbling ointment outside optical fiber, therefore effectively can block water, effectively protect optical fiber.
In the utility model embodiment 2 to embodiment 4, four angles place of sheath all forms L shape groove, therefore effectively can reduce the consumption of sheath material, reaches the object of joint Zhi Jiangben, low-carbon environment-friendly, and does not affect use completely.Through measuring and calculating, during sheath use low-smoke non-halogen flame-retardant tygon, consumption 25% can be saved; During sheath use medium density polyethylene, consumption 17% can be saved; During sheath use high density polyethylene, consumption 19% can be saved; During sheath use Polyvinylchloride, consumption 21% can be saved; Therefore, the object of joint Zhi Jiangben is reached.
Therefore, the utility model have use more flexibly, low-carbon environment-friendly, the Advantageous Effects such as cost is lower, block-water effect is better, weight is lighter, transportation cost is lower more.
The utility model is not limited to above-mentioned preferred forms, and should be appreciated that design of the present utility model can be implemented to use by other various forms, they drop in protection domain of the present utility model equally.