CN202025108U - Fast joint for optical fibers - Google Patents
Fast joint for optical fibers Download PDFInfo
- Publication number
- CN202025108U CN202025108U CN201120007719XU CN201120007719U CN202025108U CN 202025108 U CN202025108 U CN 202025108U CN 201120007719X U CN201120007719X U CN 201120007719XU CN 201120007719 U CN201120007719 U CN 201120007719U CN 202025108 U CN202025108 U CN 202025108U
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- optical fiber
- bottom land
- type bottom
- joint body
- cold joint
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Abstract
The utility model relates to the technical field of an optical fiber connector, in particular to a fast joint for optical fibers, which comprises a ceramic head, a V-shaped groove base and an optical fiber cold connecting body, wherein the ceramic head is fixed at the front end of the V-shaped groove base, the optical fiber is pre-buried in the ceramic head, a V-shaped groove is arranged on the V-shaped groove base, matching liquid is stored in the V-shaped groove, the optical fiber extends into the V-shaped groove, the optical fiber cold connecting body is provided with a penetrated groove, the V-shaped groove base is sheathed in the groove of the optical fiber cold connecting body, a cover plate is assembled above the V-shaped groove base, the V-shaped groove base is sheathed with a sleeve buckle for tightly pressing the cover plate, a window is formed on the optical fiber cold connecting body, and the cover plate and the sleeve buckle are exposed at the window part. The geometrical position and the concentricity of two butt joint optical fibers can be ensured through the V-shaped groove, the locking state and the unlocking state can be realized through the compression matching between the sleeve buckle and the cover plate, and the free conversion between the locking state and the unlocking state can be realized, so the optical fibers are precisely positioned and fixed, and the minimum optical fiber connection loss and the reliable and safe mechanical performance are ensured.
Description
Technical field
The utility model relates to the optical fiber splicing device technical field, refers in particular to a kind of optical fiber rapid-acting coupling.
Background technology
At present, in the communications field, the application of optical fiber is very extensive, when situation is transmitted in the butt joint of handling optical fiber, needs Fast Installation, and for example the shunt of optical fiber continues: cross-connecting box, floor light is case, fiber distribution box, user's integrated information case, information panel along separate routes.A kind of optical fiber quick coupling structure on the market is simple, but optical fiber is difficult to realization butt joint with one heart, is difficult to realize the location of optical fiber and fix that simultaneously, it is all undesirable to insert characterisitic parameters such as loss and return loss.
Therefore, based on the defective of above-mentioned existing fiber joint, need improve existing fibre-optical splice.
The utility model content
The purpose of this utility model is to provide a kind of optical fiber rapid-acting coupling at the deficiencies in the prior art, this optical fiber rapid-acting coupling has solved existing fibre-optical splice and has been difficult to realize butt joint with one heart, is difficult to realize the location of optical fiber and fixing problem, has reduced the insertion loss simultaneously, has improved return loss.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of optical fiber rapid-acting coupling comprises ceramic head, V-type bottom land seat, optical fiber cold joint body, and ceramic head is fixed in V-type bottom land seat front end, and ceramic head is embedded with optical fiber, offers the V-type groove on the V-type bottom land seat, and V-type groove internal memory contains matching fluid, and optic fibre extension is to the V-type groove; Optical fiber cold joint body has the groove of perforation, and V-type bottom land cover for seat is located in the groove of optical fiber cold joint body, and V-type bottom land seat top is equipped with cover plate, and V-type bottom land cover for seat is provided with the hitch of holddown plate, and the optical fiber cold joint is body formed window, and cover plate, hitch are revealed in this window place.
The middle part of described V-type bottom land seat is wide, afterbody is narrow, and the middle part of the groove of optical fiber cold joint body has block, and block is offered porose, and the afterbody of V-type bottom land seat is buckled in the place, hole of this block.
The afterbody of described V-type bottom land seat is arranged with spring, and middle part, the rear end that the front end of spring is resisted against V-type bottom land seat is resisted against the block place of optical fiber cold joint body.
Form groove on the described V-type bottom land seat, correspondence forms projection on the cover plate.
The rear end of described optical fiber cold joint body is pivoted with gland and is furnished with stubborn cap.
Described optical fiber cold joint body is arranged with SC side's shell.
The front end at described cover plate top forms wedge.
The rear end of described optical fiber cold joint body has the clamping threaded collar, and gland also has the clamping threaded collar.
The clamping threaded collar front end of described optical fiber cold joint body, gland has the clamping boss, position, the hole ovalize of clamping boss.
The beneficial effects of the utility model are: the V-type groove can guarantee the geometric position and the concentricity of two butt joint optical fiber; By the compression fit of hitch and cover plate and V-type bottom land seat, can realize locking and unblanking two states and energy freely be changed, thereby optical fiber is carried out accurate localization and fixing, guarantee minimum optical fiber junction loss and reliable, safe mechanical property.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a local enlarged diagram one of the present utility model;
Fig. 3 is a local enlarged diagram two of the present utility model;
Element and Reference numeral:
Ceramic head 1, V-type bottom land seat 2,
Cover plate 3, spring 4,
Hitch 5, optical fiber cold joint body 6,
Gland 7 is twisted cap 8,
V-type groove 11, groove 12,
Wedge 15, block 16,
Clamping threaded collar 17, clamping boss 18,
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
See Fig. 1, a kind of optical fiber rapid-acting coupling of the utility model comprises: ceramic head 1, V-type bottom land seat 2, optical fiber cold joint body 6, ceramic head 1 is fixed in V-type bottom land seat 2 front ends, ceramic head 1 is embedded with optical fiber 9, offer V-type groove 11 on the V-type bottom land seat 2, V-type groove internal memory contains matching fluid, and optical fiber 9 extends in the V-type groove 11, store matching fluid in the V-type groove 11, realize optical fiber 9 and user side fiber alignment; The composition of optical fiber is a silicon dioxide, light conductivity with height, during two fiber alignments, because there is the gap in fiber end face, Fresnel reflection causes fibre loss big, utilizes the matching fluid with the identical refractive index of optical fiber, optical fiber is immersed in the matching fluid, reduce Fresnel reflection, guarantee that light signal prolongs rectilinear propagation, increase the percent of pass of light signal, reduce loss; Optical fiber cold joint body 6 has the groove of perforation, and this groove is offered along the main direction of optical fiber cold joint body 6, and V-type bottom land seat 2 is sheathed in the groove of optical fiber cold joint body 6; The groove that is positioned at optical fiber cold joint body 6 afterbodys is a fiber guides groove 19; V-type bottom land seat 2 tops are equipped with cover plate 3, V-type bottom land seat 2 is arranged with the hitch 5 of holddown plate 3, plastic arrow 20 on the hitch 5, optical fiber cold joint body 6 forms window 13, cover plate 3, hitch 5 are revealed in this window 13 places, at these window 13 places, promptly can regulating sleeve button 5, make cover plate 3 and V-type bottom land seat 2 realize locking and the unlocking condition conversion.
The middle part of described V-type bottom land seat 2 is wide, afterbody is narrow, the middle part of the groove of optical fiber cold joint body 6 forms block 16, block 16 is offered porose, the afterbody of V-type bottom land seat 2 pass from the hole of block 16 and hook in the hole of this block 16, the middle part contact of V-type bottom land seat 2 is limited in this block 16 places; The afterbody of described V-type bottom land seat 2 is arranged with spring 4, and middle part, rear end that the front end of spring 4 is resisted against V-type bottom land seat 2 are resisted against this block 16 places.
The effect of spring 4 of the present utility model has: (1) make optical fiber cold joint body 6 front ends, comprise that the main part of ceramic head 1 still can slightly move, and plays certain buffer action; Force transmission when (2) guaranteeing that other ports such as the utility model and adapter continue is to ceramic head 1, guarantee ceramic head 1 and with the adapter closed butt joint, thereby avoid false butt joint generation.
The front end at described cover plate 3 tops forms wedge 15, when hitch 5 is positioned at cover plate 3 rear portions, when A place as shown in FIG., hitch 5 inboards did not contact with wedge 15,3 pairs of V-type bottom lands of cover plate seat 2 did not have acting force, cover plate 3 is in unlocking condition, when hitch 5 moves forward, hitch 5 is inboard during with wedge 15 tight contacts, B place as shown in FIG., the acting force of 5 pairs of cover plates 3 of hitch makes cover plate 3 compress V-type bottom land seat 2, is in locking state; Under accurately controlling, the two states of locking and unblank can freely be changed, thereby optical fiber is carried out accurate localization and fixing, guarantees minimum optical fiber junction loss and reliable, safe mechanical property.
The rear end of described optical fiber cold joint body 6 is pivoted with gland 7 and is furnished with stubborn cap 8, the groove of gland 7 rotatable covering optical fiber cold joint bodies 6, and this gland 7 of Unscrew can insert optical fiber, and behind the fibre junction, closed gland 7 screws then and twists cap 8.
Has clamping threaded collar 17 in the groove of the rear end of optical fiber cold joint body 6, gland 7 also has clamping threaded collar 17, when gland 7 complete closures, when fitting tightly together with optical fiber cold joint body 6,17 pairs of optical fiber oversheaths of clamping threaded collar and skin cable crust carry out clamping and locking, the optical fiber oversheath of clamping threaded collar 17 clampings, skin cable crust have certain snap-in force, when stubborn cap 8 rotates to extreme position, locking optical fiber or skin cable, realize fixation, crust by 17 pairs of optical fiber oversheaths of clamping threaded collar, skin cable carries out clamping, fixedly 3.0mm tail optical fiber, skin cable.
Clamping threaded collar 17 front ends of optical fiber cold joint body 6, gland 7 have clamping boss 18, and clamping boss 18 is primarily aimed at clamping locking 2.0mm tail optical fiber and 0.25mm optical fiber and designs.Position, clamping boss 18 hole ovalize clamp structure, diameter 2.0mm optical fiber there is good clamping action, for the optical fiber of diameter 0.25mm, the PVC oversheath (the oversheath diameter is 2.0mm) by put customization on optical fiber can carry out good clamping to it equally.
The above mechanism makes the utility model increase greatly the diameter range of clamping optical fiber, continues fast in the scene that can be applied to multiple optical fiber such as 2.0mm, 3.0mm optical fiber, skin cable optical fiber, 0.25mm optical fiber.The joints of optical fibre are suitable for the termination to the 0.25mm precoated fiber, also can mate with the 0.9mm tight tube fiber.Be suitable for directly assembling on the oversheath of the butterfly type leading in cable that is of a size of 2.0 * 3.0mm simultaneously.
The utility model adopts following technology:
1, fiber end face grinding technique: fiber end face guarantees the strict demand of optical-fiber-connector end to geometric configuration through multiple tracks grinding technics such as factory's corase grind, fine grindings;
2, V-type groove fixed fiber technology: utilize geometrical principle, triangle is determined an incircle and its center of circle, and two butt joint optical fiber are placed the V-type groove, guarantees the geometric position and the concentricity of two butt joint optical fiber;
3, preset the matching fluid technology: the matching fluid in the V-type groove and had similar specific refractivity by the field optical fibers fibre core of termination, guarantee the reliable transmission of light signal, improve and insert loss, return loss characteristic;
4, cover plate and hitch fit structure: realize locking and unblanking two states and energy freely be changed, thereby optical fiber is carried out accurate localization and fixing, guarantee minimum optical fiber junction loss and reliable, safe mechanical property.
The utility model patent is compared similar connector, and integrated degree improves greatly, and assurance, is all carried out on same supporting body again to stubborn cap from ceramic head to the V-type groove, has improved the reliability of cold joint.
The utility model patent design is ingenious, and assembling and need not professional anchor clamps when installing is convenient to operation, is convenient to dismounting, and one-step installation is unsuccessful can to repeat multi-pass operations, has improved utilization factor, and gland can open and close, and visual degree improves during operation.
The utility model can guarantee installation quality and installation effectiveness, high performance-price ratio, need not during installation to grind, need not injecting glue, need not consumptive material, have installation quality height, success ratio height, reliability height and characteristics such as quick are installed, easy simple to operate, in installation process,, an a kind of optical fiber rapid-acting coupling is installed only needs 1-2 minute time from the opening stripping, clean, cut, be registered to crimping of optical cable; Do not need power supply, heating furnace or heating lamp during installation, installation personnel sets up with retrieving tool all very flexible.
The utlity model has widespread popularity: no matter the Optical cross connects case, or floor light along separate routes case, fiber distribution box, user's integrated information case, information panel, a kind of optical fiber rapid-acting coupling of the utility model can both be used.
The utility model is a standard SC type, satisfies YD/T 1272.3-2005 industry standard and " fiber active linker reliability requirement and test method " industry standard, and satisfies the requirement of GR-326-CORE international standard.
Certainly, the embodiment of the above, it is preferred embodiments of the present utility model, and unrestricted the utility model practical range, so all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.
Claims (9)
1. optical fiber rapid-acting coupling is characterized in that: comprise ceramic head, V-type bottom land seat, optical fiber cold joint body, ceramic head is fixed in V-type bottom land seat front end, ceramic head is embedded with optical fiber, offer the V-type groove on the V-type bottom land seat, V-type groove internal memory contains matching fluid, and optic fibre extension is to the V-type groove; Optical fiber cold joint body has the groove of perforation, and V-type bottom land cover for seat is located in the groove of optical fiber cold joint body, and V-type bottom land seat top is equipped with cover plate, and V-type bottom land cover for seat is provided with the hitch of holddown plate, and the optical fiber cold joint is body formed window, and cover plate, hitch are revealed in this window place.
2. a kind of optical fiber rapid-acting coupling according to claim 1 is characterized in that: the middle part of described V-type bottom land seat is wide, afterbody is narrow, and the middle part of the groove of optical fiber cold joint body has block, and block is offered porose, and the afterbody of V-type bottom land seat is buckled in the place, hole of this block.
3. a kind of optical fiber rapid-acting coupling according to claim 2 is characterized in that: the afterbody of described V-type bottom land seat is arranged with spring, and middle part, the rear end that the front end of spring is resisted against V-type bottom land seat is resisted against the block place of optical fiber cold joint body.
4. a kind of optical fiber rapid-acting coupling according to claim 1 is characterized in that: form groove on the described V-type bottom land seat, correspondence forms projection on the cover plate.
5. a kind of optical fiber rapid-acting coupling according to claim 1 is characterized in that: the rear end of described optical fiber cold joint body is pivoted with gland and is furnished with stubborn cap.
6. a kind of optical fiber rapid-acting coupling according to claim 1 is characterized in that: described optical fiber cold joint body is arranged with SC side's shell.
7. a kind of optical fiber rapid-acting coupling according to claim 1 is characterized in that: the front end at described cover plate top forms wedge.
8. a kind of optical fiber rapid-acting coupling according to claim 5 is characterized in that: the rear end of described optical fiber cold joint body has the clamping threaded collar, and gland also has the clamping threaded collar.
9. a kind of optical fiber rapid-acting coupling according to claim 8 is characterized in that: the clamping threaded collar front end of described optical fiber cold joint body, gland has the clamping boss, position, the hole ovalize of clamping boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120007719XU CN202025108U (en) | 2011-01-11 | 2011-01-11 | Fast joint for optical fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120007719XU CN202025108U (en) | 2011-01-11 | 2011-01-11 | Fast joint for optical fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202025108U true CN202025108U (en) | 2011-11-02 |
Family
ID=44850053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120007719XU Expired - Fee Related CN202025108U (en) | 2011-01-11 | 2011-01-11 | Fast joint for optical fibers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202025108U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376512A (en) * | 2012-04-24 | 2013-10-30 | 苏州新海宜通信科技股份有限公司 | Butterfly-type optical cable jumping fiber and tail fiber connector |
| CN103543499A (en) * | 2012-07-11 | 2014-01-29 | 上海宽岱电讯科技发展有限公司 | Optical fiber connector |
| CN103869421A (en) * | 2012-12-11 | 2014-06-18 | 泰科电子公司 | Field-installable optical splice |
| CN104052013A (en) * | 2014-06-23 | 2014-09-17 | 江苏中天科技股份有限公司 | Junction box for through-flow wires |
| CN104536104A (en) * | 2014-11-24 | 2015-04-22 | 国家电网公司 | Rapid optical cable connection box |
| RU2624398C2 (en) * | 2015-05-13 | 2017-07-03 | Эй.Джей. УОРЛД КО., ЛТД. | Optical connector |
| CN106990483A (en) * | 2017-05-16 | 2017-07-28 | 苏州专创光电科技有限公司 | A kind of optical fibre connector device |
| CN110888200A (en) * | 2019-11-22 | 2020-03-17 | 浙江光塔节能科技有限公司 | Optical fiber connector |
-
2011
- 2011-01-11 CN CN201120007719XU patent/CN202025108U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376512A (en) * | 2012-04-24 | 2013-10-30 | 苏州新海宜通信科技股份有限公司 | Butterfly-type optical cable jumping fiber and tail fiber connector |
| CN103543499A (en) * | 2012-07-11 | 2014-01-29 | 上海宽岱电讯科技发展有限公司 | Optical fiber connector |
| CN103869421A (en) * | 2012-12-11 | 2014-06-18 | 泰科电子公司 | Field-installable optical splice |
| CN103869421B (en) * | 2012-12-11 | 2017-05-24 | 泰科电子公司 | Field-installable optical splice |
| CN104052013A (en) * | 2014-06-23 | 2014-09-17 | 江苏中天科技股份有限公司 | Junction box for through-flow wires |
| CN104536104A (en) * | 2014-11-24 | 2015-04-22 | 国家电网公司 | Rapid optical cable connection box |
| CN104536104B (en) * | 2014-11-24 | 2018-05-29 | 国家电网公司 | Optical cable quick coupling box |
| RU2624398C2 (en) * | 2015-05-13 | 2017-07-03 | Эй.Джей. УОРЛД КО., ЛТД. | Optical connector |
| CN106990483A (en) * | 2017-05-16 | 2017-07-28 | 苏州专创光电科技有限公司 | A kind of optical fibre connector device |
| CN110888200A (en) * | 2019-11-22 | 2020-03-17 | 浙江光塔节能科技有限公司 | Optical fiber connector |
| CN110888200B (en) * | 2019-11-22 | 2024-04-12 | 浙江光塔安全科技有限公司 | Optical fiber connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20150111 |
|
| EXPY | Termination of patent right or utility model |