CN207976614U - A kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type - Google Patents
A kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type Download PDFInfo
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- CN207976614U CN207976614U CN201721839660.4U CN201721839660U CN207976614U CN 207976614 U CN207976614 U CN 207976614U CN 201721839660 U CN201721839660 U CN 201721839660U CN 207976614 U CN207976614 U CN 207976614U
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- insulated wire
- compression joint
- optical cable
- joint type
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Abstract
The utility model is related to communication equipment field, more particularly to a kind of prefabricated end rubber-insulated wire jumping fiber of SC APC type compression joint types.Including butterfly optical cable and two optical fiber connectors for being separately mounted to butterfly optical cable both ends, the outside portion of the butterfly optical cable is arranged there are two positioning element and welded part, two welded parts are arranged between two positioning elements, each positioning element is arranged at one end on butterfly optical cable and close to optical fiber connector, the distance between adjacent welded part and positioning element are identical, the butterfly optical cable includes bare fibre, reinforcer and sheath successively from the inside to the outside, and each positioning element and welded part are set on the lateral wall of sheath.The utility model solves the problems, such as existing prefabricated end rubber-insulated wire jumping fiber poor sealing, improves tensile property.
Description
Technical field
The utility model is related to communication equipment field, more particularly to a kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type.
Background technology
Currently, with network broadband, the demand of the raising of stability requirement and development IPTV grade high band width services, height is provided
Bandwidth, efficient FTTH networks become current popular problem.FTTH products are predominantly prefabricated into end type leading in cable in the market.
The prefabricated end rubber-insulated wire jumping fiber being commonly used uses clamp connection structure, is mainly characterized by using clamp spring by optical fiber connector pedestal
It connects and fixes on butterfly optical cable.Therefore, existing prefabricated end rubber-insulated wire jumping fiber leakproofness is poor, is easy to after long-time use
Dust is accumulated, using effect is influenced；And clamp connection structure twisting property is poor, tensile property is poor.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of prefabricated end skin of SC-APC types compression joint type
Line jumping fiber.
To solve the above problems, the utility model provides following technical scheme：
A kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type, including butterfly optical cable and two are separately mounted to butterfly optical cable
The optical fiber connector at both ends, the outside portion of the butterfly optical cable are arranged that there are two positioning element and welded part, two pressures
Relay part is arranged between two positioning elements, and each positioning element is arranged on butterfly optical cable and is connected close to optical fiber
One end of device, the distance between adjacent welded part and positioning element are identical, and the butterfly optical cable includes successively from the inside to the outside
Bare fibre, reinforcer and sheath, each positioning element and welded part are set on the lateral wall of sheath.
Further, each positioning element includes rice ring of numbers, and each rice ring of numbers is tube-shaped structure, is being pacified
Under dress state, the lateral wall of the rice ring of numbers madial wall and sheath fits closely, and the diameter of the vertical cross-section of the rice ring of numbers is certainly
One end of clamping welded part gradually extends to one end of optical fiber connector.
Further, each welded part includes heat-shrink tube, and the heat-shrink tube is cyclic annular cylinder structure, the pyrocondensation
The madial wall of pipe and the lateral wall of sheath fit closely, and the madial wall of the heat-shrink tube is barrel-like structure, and the heat-shrink tube is cut
Face diameter gradually extends from one end far from optical fiber connector to one end far from optical fiber connector.
Further, the length of each heat-shrink tube is all higher than the length of meter ring of numbers, the section of each heat-shrink tube
Diameter is more than the diameter of rice ring of numbers.
Further, the length of the rice ring of numbers is 12mm.
Further, the length of the heat-shrink tube is 40mm.
Further, the section internal diameter of the rice ring of numbers is 4mm.
Advantageous effect：A kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type of the utility model, being required according to technology will
Optical cable is cut to corresponding length, and lopping inner diameter of steel flue is 120mm；Pre-assembled compression joint type rubber-insulated wire loose mail and covered wire cable are worn accordingly
Loose mail；Optical cable both ends sheath is divested into 535mm using device for peeling optical cable, exposes internal optical fiber；Excess fiber hard-pressed bale layer is divested, is made
Hard-pressed bale layer retains 15mm, exposes bare fibre；Pre-assembled compression joint type rubber-insulated cable connector uses crimp rings and rubber-insulated cable connector
Press Plier pre-crimping is integrated；Pre-assembled compression joint type rubber-insulated cable connector is integrally penetrated in optical fiber, until wearing motionless.Using
Suitable crimp crimping crimp rings front and back end.It is fixed by heat cure mode using 353ND glue between optical fiber and lock pin, Gu
After change, lock pin is placed in cooling under room temperature, it is using ruby cutting pen that lock pin top is extra after lock pin cooling completely
Optical fiber is cut away, and specific method is：Make the cutting pen edge of a knife and ceramic contact pin end face about when being in 20 degree of angles on optical fiber gently stroke one
Under, then optical fiber being inferred gently with the edge of a knife；Shell is packed on white inner core；Lock pin is ground using grinder and abrasive disk
End face, be specifically divided into remove photoresist, 9um, 1um, 0.05um tetra- grind, remove photoresist be intended to removal insertion core end face residual glue, 9um is thick
Mill, 1um are fine grinding, 0.05um is polishing.400 times are amplified using end surface measurement instrument to the end face after grinding, checking on optical fiber is
It is no have collapse it is scarce, scratch etc. it is bad；Optical index test is carried out to product.Respectively test 1310nm and 1550nm insertion loss and
Return loss；It is required that insertion loss≤0.2dB, return loss >=62dB；It is required to meet product reliability, at optical fiber connector
Locate pulling force and reaches 70N；Twisting property is qualified, solves the problems, such as existing prefabricated end rubber-insulated wire jumping fiber poor sealing, improves
Tensile property.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Reference sign：Butterfly optical cable 1, optical fiber connector 2, rice ring of numbers 3, heat-shrink tube 4.
Specific implementation mode
With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail：
A kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type shown in referring to Fig.1, including butterfly optical cable 1 and two difference
Optical fiber connector 2 mounted on 1 both ends of butterfly optical cable, the outside portion of the butterfly optical cable 1 are arranged that there are two positioning element and pressures
Relay part, two welded parts are arranged between two positioning elements, and each positioning element is arranged at butterfly light
On cable 1 and close to one end of optical fiber connector 2, the distance between adjacent welded part and positioning element are identical, the butterfly
Optical cable 1 includes bare fibre, reinforcer and sheath successively from the inside to the outside, and each positioning element and welded part are set in shield
On the lateral wall of set.
Operation principle：It is required optical cable being cut to corresponding length according to technology, lopping inner diameter of steel flue is 120mm；It is pre-assembled
Compression joint type rubber-insulated wire loose mail and covered wire cable wear corresponding loose mail；Optical cable both ends sheath is divested into 535mm using device for peeling optical cable, is revealed
Go out internal optical fiber；Excess fiber hard-pressed bale layer is divested, hard-pressed bale layer is made to retain 15mm, exposes bare fibre；Pre-assembled compression joint type skin
Crimp rings are integrated with rubber-insulated cable connector using Press Plier pre-crimping by wiring connector；By pre-assembled compression joint type rubber-insulated cable connector
Entirety penetrates in optical fiber, until wearing motionless.Using suitable crimp crimping crimp rings front and back end.Between optical fiber and lock pin
It is fixed by heat cure mode using 353ND glue, after solidification, lock pin is placed in cooling under room temperature, waits for that lock pin has cooled down
Lock pin top excess fiber is cut away using ruby cutting pen after complete, specific method is：Make the cutting pen edge of a knife and ceramic contact pin
When end face is about in 20 degree of angles on optical fiber gently stroke once, then optical fiber being inferred gently with the edge of a knife；Shell is packed into white
On color inner core；Grind insertion core end face using grinder and abrasive disk, be specifically divided into remove photoresist, 9um, 1um, 0.05um tetra- is ground,
It removes photoresist and is intended to removal insertion core end face residual glue, 9um is corase grinding, 1um is fine grinding, 0.05um is polishing.To the end face after grinding
Using end surface measurement instrument amplify 400 times, check on optical fiber whether have collapse it is scarce, scratch etc. it is bad；Optical index survey is carried out to product
Examination.The insertion loss and return loss of 1310 nm and 1550nm are tested respectively；It is required that insertion loss≤0.2dB, return loss >=
62dB；To meet product reliability requirement, pulling force reaches 70N to optical fiber connector 2 everywhere；Twisting property is qualified.
Each positioning element includes rice ring of numbers 3, and each rice ring of numbers 3 is tube-shaped structure, in installation condition
Under, the lateral wall of 3 madial wall of rice ring of numbers and sheath fits closely, and the diameter of the vertical cross-section of the rice ring of numbers 3 is from clamping
One end of welded part gradually extends to one end of optical fiber connector 2, the control sheath that the settings of two rice rings of numbers 3 can stablize
Position, and then can press fitting when can be good at positioning.
Each welded part includes heat-shrink tube 4, and the heat-shrink tube 4 is cyclic annular cylinder structure, the heat-shrink tube 4 it is interior
The lateral wall of side wall and sheath fits closely, and the madial wall of the heat-shrink tube 4 is barrel-like structure, and the section of the heat-shrink tube 4 is straight
One end without leave far from optical fiber connector 2 gradually extends to one end far from optical fiber connector 2, and two heat-shrink tubes 4 can be to two
The connection that a optical fiber connector 2 is stablized, and then the tensile property of optical cable can be increased.
The length of each heat-shrink tube 4 is all higher than the length of meter ring of numbers 3, and the diameter of section of each heat-shrink tube 4 is big
In the diameter of rice ring of numbers 3.
The length of the rice ring of numbers 3 is 12mm.
The length of the heat-shrink tube 4 is 40mm.
The section internal diameter of the rice ring of numbers 3 is 4mm.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Go out any restrictions, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent
Variation and modification, in the range of still falling within the technical solution of the utility model.
Claims (7)
1. a kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type, it is characterised in that：Pacify respectively including butterfly optical cable (1) and two
Optical fiber connector (2) mounted in butterfly optical cable (1) both ends, the outside portion of the butterfly optical cable (1) are arranged that there are two positioning elements
And welded part, two welded parts are arranged between two positioning elements, each positioning element is arranged at butterfly
One end on shape optical cable (1) and close to optical fiber connector (2), the distance between adjacent welded part and positioning element are identical,
The butterfly optical cable (1) includes bare fibre, reinforcer and sheath successively from the inside to the outside, each positioning element and welded part
It is set on the lateral wall of sheath.
2. the prefabricated end rubber-insulated wire jumping fiber of a kind of SC-APC types compression joint type according to claim 1, it is characterised in that：It is each described
Positioning element includes rice ring of numbers (3), and each rice ring of numbers (3) is tube-shaped structure, in the mounted state, the rice ring of numbers
(3) lateral wall of madial wall and sheath fits closely, the vertical cross-section of the rice ring of numbers (3) from one end of clamping welded part to
One end of optical fiber connector (2) gradually extends.
3. the prefabricated end rubber-insulated wire jumping fiber of a kind of SC-APC types compression joint type according to claim 2, it is characterised in that：It is each described
Welded part includes heat-shrink tube (4), and the heat-shrink tube (4) is cyclic annular cylinder structure, the madial wall and sheath of the heat-shrink tube (4)
Lateral wall fit closely, the madial wall of the heat-shrink tube (4) is barrel-like structure, and the section of the heat-shrink tube (4) is from far from light
One end of fiber connector (2) gradually extends to one end far from optical fiber connector (2).
4. the prefabricated end rubber-insulated wire jumping fiber of a kind of SC-APC types compression joint type according to claim 3, it is characterised in that：It is each described
The length of heat-shrink tube (4) is all higher than the length of a meter ring of numbers (3), and the diameter of section of each heat-shrink tube (4) is more than rice ring of numbers (3)
Diameter.
5. the prefabricated end rubber-insulated wire jumping fiber of a kind of SC-APC types compression joint type according to claim 3, it is characterised in that：The rice number
The length of ring (3) is 12mm.
6. the prefabricated end rubber-insulated wire jumping fiber of a kind of SC-APC types compression joint type according to claim 4, it is characterised in that：The pyrocondensation
The length for managing (4) is 40mm.
7. the prefabricated end rubber-insulated wire jumping fiber of a kind of SC-APC types compression joint type according to claim 5, it is characterised in that：The rice number
The section internal diameter of ring (3) is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721839660.4U CN207976614U (en) | 2017-12-25 | 2017-12-25 | A kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721839660.4U CN207976614U (en) | 2017-12-25 | 2017-12-25 | A kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207976614U true CN207976614U (en) | 2018-10-16 |
Family
ID=63771855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721839660.4U Active CN207976614U (en) | 2017-12-25 | 2017-12-25 | A kind of prefabricated end rubber-insulated wire jumping fiber of SC-APC types compression joint type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207976614U (en) |
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2017
- 2017-12-25 CN CN201721839660.4U patent/CN207976614U/en active Active
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