CN102298179B - Connector for optical fiber of tight-buffered optical cable - Google Patents
Connector for optical fiber of tight-buffered optical cable Download PDFInfo
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- CN102298179B CN102298179B CN 201110242495 CN201110242495A CN102298179B CN 102298179 B CN102298179 B CN 102298179B CN 201110242495 CN201110242495 CN 201110242495 CN 201110242495 A CN201110242495 A CN 201110242495A CN 102298179 B CN102298179 B CN 102298179B
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- contact pin
- caudal peduncle
- ceramic
- optic cable
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Abstract
The invention relates to a connector for an optical fiber of a tight-buffered optical cable, which comprises a ceramic contact pin, a contact pin tail handle, an inner sleeve, a shell, a tail bed, a spring, a fastener and the tight-buffered optical cable, wherein the front end of the contact pin tail handle is connected and fixed with the rear end of the ceramic contact pin; the optical fiber of the tight-buffered optical cable penetrates through the central through hole of the ceramic contact pin; an outer sheath is connected with the ceramic contact pin and the contact pin tail handle after penetrating into the through hole at the rear end of the contact pin tail handle; the front end of the contact pin tail handle is provided with an annular step; the inner wall of the inner sleeve is provided with an annular step and a contact pin stopping step; the spring is sheathed onto the contact pin tail handle; the contact pin tail handle penetrates into the central through hole of the inner sleeve; the spring is arranged between the annular step of the contact pin tail handle and the annular step of the inner wall of the inner sleeve; the rear end of the contact pin tail handle is sheathed and fixed with the front end of the tail bed after extending out of the rear end face of the inner sleeve; the outer sheath of the optical cable is locked by the fastener; and the shell is sheathed at the outer side of the inner sleeve. The connector for the optical fiber of the tight-buffered optical cable has the advantages that the optical fiber and the outer sheath of the tight-buffered optical cable synchronously do a limit axial movement, thus, the optical fiber is prevented from bending, the phenomenon that a gap is generated between the optical fiber and the butted end face of the contact pin because the optical cable is pulled is avoided, and the manufacturing process is simplified.
Description
Technical field
What the present invention relates to is a kind of tight sleeve optic cable joints of optical fibre.Belong to technical field of optical fiber communication.
Background technology
Along with Fibre Optical Communication Technology constantly develops, the optical fiber cable of supporting application presents variation, and using external diameter except that routine is the indoor single fiber cable of 2mm and 3mm, a kind of butterfly leading in cable that Fiber to the home uses occurred.Conventional indoor single fiber cable is loose nested structure, and promptly optical fiber and oversheath right and wrong are close-connected, and optical fiber can be movable in sheath; And the butterfly leading in cable is a tight tube structure; Be that optical fiber closely is connected with oversheath, very close to each other between optical fiber and oversheath, stiff in sheath.Prior art has three types to the joints of optical fibre of this tight sleeve optic cable: the first kind is to make with the connector loose mail with conventional indoor single fiber cable; Oversheath is fixed; These joints of optical fibre in use; Internal optical fiber occurs with the axial rollback of contact pin, produce crooked even fracture in that connector is inner, cause the loss of light signal even open circuit; Second type is lengthening connector internal cavities, enough curved spaces is arranged after making internal optical fiber with the axial rollback of contact pin, is unlikely bending and fractures, but still have the crooked problem that causes loss of optical signal; The 3rd type is that oversheath closely is connected through special metal caudal peduncle with contact pin, and when the axial rollback of contact pin, tight sleeve optic cable is also retreated thereupon; Internal optical fiber can not produce bending; Avoided the loss of optical signal that causes because of fibre-optical bending even open circuit, but such connector is when optical cable is drawn, contact pin is retreated thereupon; The contact pin end face that links to each other with the opposite end produces the gap, causes loss of optical signal.Simultaneously, in these three types of connector procedures, it is high all to exist cable outer sheath to open the stripping dimension precision requirement, and the section of having diameter is the optical fiber of 0.25mm between contact pin and oversheath, exposes the problem that fractures easily.
Summary of the invention
What the present invention proposed is a kind of tight sleeve optic cable joints of optical fibre; Its purpose is intended to overcome the above-mentioned defective of existing in prior technology; Be applicable to tight sleeve optic cables such as butterfly leading in cable; Can make oversheath and the ceramic insertion core and the synchronous axially-movable of caudal peduncle of tight sleeve optic cable, and, make the connection of optical fiber more reliable and more stable the effectively restriction of axially-movable distance; Eliminate the fiber segment that exposes the 0.25mm diameter between contact pin and oversheath simultaneously, make joints of optical fibre manufacture craft simpler.
Technical solution of the present invention: it is characterized in that comprising ceramic contact pin, contact pin caudal peduncle, interior cover, shell, tailstock, spring, fixture and tight sleeve optic cable; Wherein ceramic contact pin, contact pin caudal peduncle, interior cover, shell, tailstock, spring are equipped with central through hole; The front end through hole of contact pin caudal peduncle is connected fixing with the rear end of ceramic contact pin; The optical fiber of tight sleeve optic cable runs through the central through hole of ceramic contact pin, and the rear end through hole that the oversheath of tight sleeve optic cable penetrates the contact pin caudal peduncle is connected with ceramic contact pin and contact pin caudal peduncle; The front end of contact pin caudal peduncle is provided with ring-shaped step, and the inwall of interior cover is provided with ring-shaped step, and spring housing is on the contact pin caudal peduncle; In the central through hole that overlaps in the contact pin caudal peduncle is through; Spring is arranged between contact pin caudal peduncle ring-shaped step and the interior cover inwall ring-shaped step, and the front end socket of cover rear end face and tailstock was fixed in stretched out the rear end of contact pin caudal peduncle, and fixture is located at the tailstock rear portion; Fixture locking cable outer sheath, the cover outside in shell is socketed in.
Advantage of the present invention: the optical fiber of tight sleeve optic cable and oversheath are connected with ceramic contact pin and contact pin caudal peduncle, and when the axial rollback of contact pin, tight sleeve optic cable is also retreated thereupon, and internal optical fiber can not produce bending, has avoided the loss of optical signal that causes because of fibre-optical bending; In the inwall of cover be provided with contact pin stopping step, when having avoided being drawn because of optical cable, contact pin is excessively retreated thereupon, the contact pin end face generation gap that links to each other with the opposite end causes loss of optical signal.Simultaneously, do not expose the fiber segment of 0.25mm diameter between contact pin and oversheath, simplified joints of optical fibre manufacture craft.
Description of drawings
Accompanying drawing 1 is the perspective exploded view of the tight sleeve optic cable joints of optical fibre.
Accompanying drawing 2 is cross-sectional view of Fig. 1.
Accompanying drawing 3 is interior cover inwall synoptic diagram of the tight sleeve optic cable joints of optical fibre.
Accompanying drawing 4A is the cable outer sheath and the tailstock sleeve pipe crimping fastening structure synoptic diagram of tight sleeve optic cable connector.
Accompanying drawing 4B is the cable outer sheath and the tailstock screw threads for fastening structural representation of tight sleeve optic cable connector.
Among the figure 1 is ceramic contact pin, the 2nd, contact pin caudal peduncle, the 3rd, interior cover, the 4th, shell, the 5th, tailstock, the 6th, spring, the 7th, fixture, the 8th, tight sleeve optic cable.
Embodiment
To combine the accompanying drawing among the embodiment below, technical scheme is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.
In the upper surface of cover 3 lower surface and tailstock 5 be provided with corresponding convexity and or groove, the axial activity of tailstock 5 led limits its rotation simultaneously; Contrast accompanying drawing 1,4A, 4B, it is clamping forms that fixture 7 is locked at tailstock 5 rear portions with cable outer sheath, is intended to cable outer sheath closely is connected with tailstock 5, or the crimping of employing sleeve pipe, screw threads for fastening or gluing connects etc.
When connector is connected with the opposite end; The stressed axial rollback of ceramic contact pin; The while compression spring, because contact pin caudal peduncle, tailstock, tight sleeve optic cable and ceramic contact pin are connected as a single entity, tight sleeve optic cable is also retreated thereupon; The connector internal optical fiber can not produce bending, has avoided the loss of optical signal that causes because of fibre-optical bending; In the inwall of cover be provided with contact pin stopping step, when having avoided being drawn because of optical cable, ceramic contact pin is excessively retreated thereupon, the contact pin end face generation gap that links to each other with the opposite end causes loss of optical signal.
The oversheath of tight sleeve optic cable 8 directly inserts the rear end through hole of contact pin caudal peduncle, does not have the optical fiber of 0.25mm diameter to expose, and manufacturing process does not need its special protection, and technology is simple, and quality is controlled easily.
Claims (4)
1. tight sleeve optic cable joints of optical fibre; It is characterized in that comprising ceramic contact pin, contact pin caudal peduncle, interior cover, shell, tailstock, spring, fixture and tight sleeve optic cable; Wherein ceramic contact pin, contact pin caudal peduncle, interior cover, shell, tailstock, spring are equipped with central through hole; The front end through hole of contact pin caudal peduncle is connected fixing with the rear end of ceramic contact pin; The optical fiber of tight sleeve optic cable runs through the central through hole of ceramic contact pin, and the rear end through hole that the oversheath of tight sleeve optic cable penetrates the contact pin caudal peduncle is connected with ceramic contact pin and contact pin caudal peduncle; The front end of contact pin caudal peduncle is provided with ring-shaped step, and the inwall of interior cover is provided with ring-shaped step, and spring housing is on the contact pin caudal peduncle; In the central through hole that overlaps in the contact pin caudal peduncle is through; Spring is arranged between contact pin caudal peduncle ring-shaped step and the interior cover inwall ring-shaped step, and the front end socket of cover rear end face and tailstock was fixed in stretched out the rear end of contact pin caudal peduncle, fixedly was located at the tailstock rear portion; Fixture locking cable outer sheath, the cover outside in shell is socketed in.
2. a kind of tight sleeve optic cable joints of optical fibre according to claim 1; The front end ring-shaped step that it is characterized in that the contact pin caudal peduncle is provided with one or more projections; Inwall at interior cover offers and the corresponding groove of projection, and projection embeds corresponding groove, and contact pin caudal peduncle and ceramic contact pin are not rotated; Groove is ended at the middle part of interior cover, forms contact pin stopping step, and contact pin stopping step and contact pin caudal peduncle upper protruding block bottom surface are touched, and stops contact pin caudal peduncle and ceramic contact pin rollback.
3. a kind of tight sleeve optic cable joints of optical fibre according to claim 1, the upper surface of the lower surface of cover and tailstock is provided with corresponding convexity and or groove in it is characterized in that.
4. a kind of tight sleeve optic cable joints of optical fibre according to claim 1 is characterized in that fixture is locked at the tailstock rear portion with cable outer sheath and adopts clamping, or sleeve pipe crimping or screw threads for fastening or gluing connecing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110242495 CN102298179B (en) | 2011-08-23 | 2011-08-23 | Connector for optical fiber of tight-buffered optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110242495 CN102298179B (en) | 2011-08-23 | 2011-08-23 | Connector for optical fiber of tight-buffered optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102298179A CN102298179A (en) | 2011-12-28 |
| CN102298179B true CN102298179B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110242495 Active CN102298179B (en) | 2011-08-23 | 2011-08-23 | Connector for optical fiber of tight-buffered optical cable |
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| CN (1) | CN102298179B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998753B (en) * | 2012-11-28 | 2015-04-08 | 江苏宇特光电科技股份有限公司 | Field assembly type optical fiber connector |
| US9235010B2 (en) * | 2013-06-28 | 2016-01-12 | Commscope Technologies Llc | Robust optical crimp connector |
| CN107422418B (en) * | 2015-04-15 | 2019-08-13 | 江苏华脉新材料有限公司 | Self-bearing type butterfly leading in cable stripping device |
| CN105372766B (en) * | 2015-11-25 | 2017-06-27 | 中航光电科技股份有限公司 | Jack contact and the joints of optical fibre |
| CN111239915B (en) * | 2019-12-23 | 2022-03-25 | 南京续点通信科技有限公司 | Optical cable fastening device and optical fiber connector |
| CN113589459A (en) * | 2021-07-28 | 2021-11-02 | 江苏亨通光网科技有限公司 | 5.0mm round cable optical fiber assembly and manufacturing method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19910163C2 (en) * | 1999-02-24 | 2002-05-29 | Infineon Technologies Ag | Optical connector and connection |
| US6758603B2 (en) * | 2002-07-08 | 2004-07-06 | Hon Hai Precision Ind. Co., Ltd. | Optical connector assembly |
| CN2578843Y (en) * | 2002-11-25 | 2003-10-08 | 中国电子科技集团公司第二十三研究所 | Cable connector |
| CN2607583Y (en) * | 2003-04-15 | 2004-03-24 | 上海邮迅通信发展有限公司 | FC connector type light fixed attenuator |
| CN2854626Y (en) * | 2005-12-23 | 2007-01-03 | 武汉楚星光纤应用技术有限公司 | Fibre-optical quick coupler |
| CN202204962U (en) * | 2011-08-23 | 2012-04-25 | 南京普天通信股份有限公司 | Tight-jacketed optical cable optical fiber connector |
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2011
- 2011-08-23 CN CN 201110242495 patent/CN102298179B/en active Active
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| Publication number | Publication date |
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| CN102298179A (en) | 2011-12-28 |
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