CN105511027A - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN105511027A CN105511027A CN201610044036.9A CN201610044036A CN105511027A CN 105511027 A CN105511027 A CN 105511027A CN 201610044036 A CN201610044036 A CN 201610044036A CN 105511027 A CN105511027 A CN 105511027A
- Authority
- CN
- China
- Prior art keywords
- ring
- supporting base
- steel ball
- lock pin
- caudal peduncle
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3881—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using grooves to align ferrule ends
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses an optical fiber connector which comprises a packaging casing, a sleeve head base, a first insertion core, a second insertion core, a tail handle, a balance spring, a supporting seat, a bundling ring nut and a rubber sleeve. A pair of installing grooves are symmetrically formed in the outer wall of the rear end of the sleeve head base, steel balls are movably arranged in the installing grooves, the outer wall of the front end of the supporting seat is provided with annular clamping grooves matched with the steel balls, the inner wall of the packaging casing is further provided with annular avoiding grooves matched with the steel balls, the rear end of the sleeve head base is fixedly connected with a rear base, a returning spring is arranged between the rear base and the packaging casing in an abutting-against mode, the outer wall of the middle of the sleeve head base is provided with a large diameter part, and the packaging casing is movably arranged between the large diameter part and the returning spring. The outer portion of the tail handle is provided with a lacing sleeve, and a wedge-shaped locking ring extends at the front end of the lacing sleeve. An outer sleeve ring extends on the outer wall of the tail handle and is in thread fitting with the wedge-shaped locking ring, and a wedge-shaped clamping groove is formed between the outer sleeve ring and the tail handle. The optical fiber connector is simple and rational in structure, convenient and fast to install, not subject to damage easily and long in service life.
Description
Technical field
The present invention relates to optical fibre splice technical field, particularly a kind of joints of optical fibre.
Background technology
Along with the development of optical communication technique, light entering and copper back, fiber to the home are widely used, and the joints of optical fibre are also widely used among continuing of optical fiber.The joints of optical fibre can be divided into by connector version: FC, SC, ST, LC, D4, DIN, MU, MT etc.
The SC type joints of optical fibre of the prior art, its structure generally includes package casing, cover headstock, first lock pin, second lock pin, caudal peduncle, balancing spring, supporting base, beam ring nut and gum cover pipe, pullover cover for seat is located in package casing, first lock pin and the second lock pin are to inserting in caudal peduncle, first lock pin, second lock pin and caudal peduncle to be fixed as one formation ferrule assembly by cementing agent, caudal peduncle is sheathed in headstock, supporting base is sheathed in package casing and its front end and cover headstock snap-fit engagement, balancing spring is connected with between caudal peduncle and supporting base, beam ring spiro cap is connected to the tail end of supporting base, the front end sleeve of gum cover pipe to be located in package casing and to be connected with beam ring its thread.During use, penetrate pre-buried optical fiber in the first lock pin, penetrate tail optical fiber in the second lock pin, wherein, tail optical fiber inserts in the second lock pin through after gum cover pipe, beam ring nut and supporting base successively.Intercoupled by the end face of tail optical fiber and pre-buried optical fiber, thus complete the transmission of light signal.
But, this joints of optical fibre but have following defect in actual use: first, first lock pin, the second lock pin and caudal peduncle are connected to form ferrule assembly by means of only adhesive bond, during owing to using, the first lock pin needs frequent plug, can decline because of the bond strength of cementing agent after a long time use, cause between the first lock pin and caudal peduncle and occur loosening, impact normally uses; The second, supporting base and cover headstock are directly by buckle clamping, and not only dismounting is comparatively inconvenient for the interface arrangment of this rigidity, but also easily in assembling process stress excessive and cause the damage of element.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, a kind of simple and reasonable, quick and easy for installation, not fragile, joints of optical fibre that serviceable life is longer are provided.
For achieving the above object, the present invention is by the following technical solutions:
A kind of joints of optical fibre of the present invention, comprise package casing, cover headstock, first lock pin, second lock pin, caudal peduncle, balancing spring, supporting base, beam ring nut and gum cover pipe, described pullover cover for seat is located in package casing, described first lock pin and the second lock pin are to inserting in caudal peduncle, first lock pin, second lock pin and caudal peduncle to be fixed as one formation ferrule assembly by cementing agent, described caudal peduncle is sheathed in headstock, and the front end of caudal peduncle offsets with cover headstock, described beam ring spiro cap is connected to the rear end of supporting base, the front end sleeve of described gum cover pipe to be located in package casing and to be connected with beam ring its thread,
The front end of described supporting base is inserted in cover headstock, the rear end outer wall of cover headstock is arranged with a pair mounting groove, the inwall of the through cover headstock of mounting groove, steel ball is movably equipped with in mounting groove, the front end outer wall of supporting base is provided with the ring-type draw-in groove matched with steel ball, and steel ball supports in ring-type draw-in groove by the inwall of package casing; The inwall of described package casing is also provided with the ring-type escape groove coordinated with steel ball, and the rear end of cover headstock is fixedly connected with back seat, to being provided with for making ring-type escape groove away from the back-moving spring of steel ball between back seat and package casing; The middle part outer wall of described cover headstock is provided with large-diameter portion, and package casing is movably set between large-diameter portion and back-moving spring;
The outside of described caudal peduncle is provided with lacing jacket, the front end of lacing jacket is extended with wedge lock ring, the inwall of wedge lock ring is wedge surface, the outer wall of described caudal peduncle is extended with outer sleeve, the inwall of outer sleeve coordinates with the outer wall thread of wedge lock ring, described outer sleeve be formed with the wedge shape draw-in groove matched with wedge lock ring between caudal peduncle, to being provided with described balancing spring between described lacing jacket and supporting base.
Further, the front end of described supporting base is provided with the first inclined-plane matched with steel ball; The sidewall of described ring-type draw-in groove is provided with the second inclined-plane coordinated with steel ball; The sidewall of described ring-type escape groove is provided with the 3rd inclined-plane coordinated with steel ball.
Further, the front periphery of described supporting base is extended with the annular projection matched with balancing spring, and the rear end that described annular projection is located in balancing spring is outside.
Further, the rear end of described supporting base has been threaded tail optical fiber holder, and described tail optical fiber holder and the second lock pin are that concentric co-axial is arranged.
Beneficial effect of the present invention is: the present invention is by arranging mounting groove in the rear end of cover headstock, and steel ball is set in mounting groove, the front end outer wall of supporting base arranges the ring-type draw-in groove coordinated with steel ball, the inwall of package casing arranges the ring-type escape groove coordinated with steel ball, the rear end of cover headstock arranges back seat, to establishing back-moving spring between back seat and package casing, during installation, first by supporting base, beam ring nut and gum cover pipe are fixed together, then package casing is pulled to the back-end, ring-type escape groove is moved to and steel ball opposite position place, and then supporting base is entered to cover headstock interpolation, the front end of supporting base contacts with steel ball, by steel ball pushing and pressing in ring-type escape groove, the ring-type draw-in groove of supporting base is moved to and steel ball corresponding position, now unclamp package casing, package casing resets under the effect of back-moving spring, steel ball departs from ring-type escape groove and supports in ring-type draw-in groove, thus realize fixing the installation of supporting base, with adopt compared with rigidity interface arrangment in prior art, it is more convenient when the present invention installs, and not easily cause the damage of part in installation process, by the outer setting lacing jacket at caudal peduncle, the extended wedge lock ring in front end of lacing jacket, and outer sleeve that is extended in the outside of caudal peduncle and wedge lock ring threaded engagement, when the first lock pin and the second lock pin are to after being inserted in and being fixed together in caudal peduncle and by cementing agent and forming ferrule assembly, tightening lacing jacket makes wedge lock ring embed in wedge shape draw-in groove, realize the banding to caudal peduncle, thus effectively prevent the phenomenon causing the first lock pin to come off from caudal peduncle because of ageing of binders, extend serviceable life.Vibrational power flow advantages of simple of the present invention.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the A place structure for amplifying schematic diagram in Fig. 1;
Fig. 3 is the B place structure for amplifying schematic diagram in Fig. 1.
In Fig. 1 to Fig. 3:
1, package casing; 11, ring-type escape groove; 111, the 3rd inclined-plane; 2, headstock is overlapped; 21, mounting groove; 22, steel ball; 23, large-diameter portion; 3, the first lock pin; 4, the second lock pin; 5, caudal peduncle; 51, outer sleeve; 52, wedge shape draw-in groove; 6, balancing spring; 7, supporting base; 71, ring-type draw-in groove; 72, the first inclined-plane; 73, the second inclined-plane; 74, annular projection; 8, beam ring nut; 9, gum cover pipe; 10, back seat; 101, back-moving spring; 12, lacing jacket; 121, wedge lock ring; 13, tail optical fiber holder; 14, pre-buried optical fiber; 15, tail optical fiber.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of joints of optical fibre as shown in Figure 1 to Figure 3, comprise package casing 1, cover headstock 2, first lock pin 3, second lock pin 4, caudal peduncle 5, balancing spring 6, supporting base 7, beam ring nut 8 and gum cover pipe 9, described cover headstock 2 is sheathed in package casing 1, first lock pin 3 and the second lock pin 4 are to inserting in caudal peduncle 5, first lock pin 3, second lock pin 4 and caudal peduncle 5 to be fixed as one formation ferrule assembly by cementing agent, during installation, pre-buried optical fiber 14 is plugged in the first lock pin 3, the front end of tail optical fiber 15 penetrates in the second lock pin 4, described caudal peduncle 5 is sheathed in headstock 2, and the front end of caudal peduncle 5 offsets with cover headstock 2, described beam ring nut 8 is socketed on the rear end of supporting base 7, the front end sleeve of described gum cover pipe 9 to be located in package casing 1 and to be threaded with beam ring nut 8.
The front end of described supporting base 7 is inserted in cover headstock 2, the rear end outer wall of cover headstock 2 is arranged with a pair mounting groove 21, the inwall of the through cover headstock 2 of mounting groove 21, steel ball 22 is movably equipped with in mounting groove 21, the front end outer wall of supporting base 7 is provided with the ring-type draw-in groove 71 matched with steel ball 22, and steel ball 22 supports in ring-type draw-in groove 71 by the inwall of package casing 1; The inwall of described package casing 1 is also provided with the ring-type escape groove 11 coordinated with steel ball 22, and the rear end of cover headstock 2 is fixedly connected with back seat 10, to being provided with for making ring-type escape groove 11 away from the back-moving spring 101 of steel ball 22 between back seat 10 and package casing 1; The middle part outer wall of described cover headstock 2 is provided with large-diameter portion 23, and package casing 1 is movably set between large-diameter portion 23 and back-moving spring 101.
Preferably, the front end of described supporting base 7 is provided with the first inclined-plane 72 matched with steel ball 22; The sidewall of described ring-type draw-in groove 71 is provided with the second inclined-plane 73 coordinated with steel ball 22; The sidewall of described ring-type escape groove 11 is provided with the 3rd inclined-plane 111 coordinated with steel ball 22.Coordinated with steel ball 22 respectively by the first inclined-plane 73, inclined-plane 72, second, ensure that in disassembly process, supporting base 7 can realize fast insert-pull; When back-moving spring 101 drives package casing 1 to reset, steel ball 22 can be effectively made to depart from ring-type escape groove 11 by the 3rd inclined-plane 111.
During installation, first by supporting base 7, beam ring nut 8 and gum cover pipe 9 are fixed together, then package casing 1 is pulled back, ring-type escape groove 11 is moved to and steel ball 22 opposite position place, and then in cover headstock 2, supporting base 7 is inserted, the front end of supporting base 7 contacts with steel ball 22, steel ball 22 is pushed against in ring-type escape groove 11, the ring-type draw-in groove 71 of supporting base 7 is moved to and steel ball 22 corresponding position, now unclamp package casing 1, package casing 1 resets under the effect of back-moving spring 101, steel ball 22 departs from ring-type escape groove 11 and supports in ring-type draw-in groove 71, thus realize fixing the installation of supporting base 7, with adopt compared with rigidity interface arrangment in prior art, the present invention installs more convenient, and not easily cause the damage of part in installation process.
The outside of described caudal peduncle 5 is provided with lacing jacket 12, the front end of lacing jacket 12 is extended with wedge lock ring 121, the inwall of wedge lock ring 121 is wedge surface, the outer wall of described caudal peduncle 5 is extended with outer sleeve 51, the inwall of outer sleeve 51 coordinates with the outer wall thread of wedge lock ring 121, described outer sleeve 51 be formed with the wedge shape draw-in groove 52 matched with wedge lock ring 121 between caudal peduncle 5, to being provided with described balancing spring 6 between described lacing jacket 12 and supporting base 7.
When the first lock pin 3 and the second lock pin 4 are to after being inserted in and being fixed together in caudal peduncle 5 and by cementing agent and forming ferrule assembly, tightening lacing jacket 12 makes wedge lock ring 121 embed in wedge shape draw-in groove 52, to realize the banding to caudal peduncle 5, thus effectively prevent ageing of binders and cause the phenomenon that the first lock pin 3 comes off from caudal peduncle 5, extend serviceable life.
The front periphery of described supporting base 7 is extended with the annular projection 74 matched with balancing spring 6, and the rear end that described annular projection 74 is located in balancing spring 6 is outside, by arranging annular projection 74, effectively improves the stability of balancing spring 6 location status.The rear end of described supporting base 7 has been threaded tail optical fiber holder 13, described tail optical fiber holder 13 and the second lock pin 4 are arranged in concentric co-axial, by arranging tail optical fiber holder 13, can the optical fiber section of having more than needed of tail optical fiber 15 be taken shape between tail optical fiber holder 13 and gum cover pipe 9 during installation, when tail optical fiber is subject to the pulling force effect of optical cable, utilize the optical fiber section of having more than needed effectively can play the effect of this pulling force of buffering.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (4)
1. joints of optical fibre, comprise package casing (1), cover headstock (2), first lock pin (3), second lock pin (4), caudal peduncle (5), balancing spring (6), supporting base (7), beam ring nut (8) and gum cover pipe (9), described cover headstock (2) is sheathed in package casing (1), described first lock pin (3) and the second lock pin (4) are to inserting in caudal peduncle (5), first lock pin (3), second lock pin (4) and caudal peduncle (5) to be fixed as one formation ferrule assembly by cementing agent, described caudal peduncle (5) is sheathed in headstock (2), and the front end of caudal peduncle (5) offsets with cover headstock (2), described beam ring nut (8) is socketed on the rear end of supporting base (7), the front end sleeve of described gum cover pipe (9) to be located in package casing (1) and to be threaded with beam ring nut (8), it is characterized in that:
The front end of described supporting base (7) is inserted in cover headstock (2), the rear end outer wall of described cover headstock (2) is arranged with a pair mounting groove (21), the inwall of the through cover headstock (2) of mounting groove (21), steel ball (22) is movably equipped with in mounting groove (21), the front end outer wall of supporting base (7) is provided with the ring-type draw-in groove (71) matched with steel ball (22), and steel ball (22) supports in ring-type draw-in groove (71) by the inwall of package casing (1), the inwall of described package casing (1) is also provided with the ring-type escape groove (11) coordinated with steel ball (22), the rear end of cover headstock (2) is fixedly connected with back seat (10), to being provided with for making ring-type escape groove (11) away from the back-moving spring (101) of steel ball (22) between back seat (10) and package casing (1), the middle part outer wall of described cover headstock (2) is provided with large-diameter portion (23), and package casing (1) is movably set between large-diameter portion (23) and back-moving spring (101), the outside of described caudal peduncle (5) is provided with lacing jacket (12), the front end of lacing jacket (12) is extended with wedge lock ring (121), the inwall of wedge lock ring (121) is wedge surface, the outer wall of described caudal peduncle (5) is extended with outer sleeve (51), the inwall of outer sleeve (51) coordinates with the outer wall thread of wedge lock ring (121), the wedge shape draw-in groove (52) matched with wedge lock ring (121) is formed between outer sleeve (51) with caudal peduncle (5), to being provided with described balancing spring (6) between lacing jacket (12) and supporting base (7).
2. the joints of optical fibre according to claim 1, is characterized in that: the front end of described supporting base (7) is provided with the first inclined-plane (72) matched with steel ball (22); The sidewall of described ring-type draw-in groove (71) is provided with the second inclined-plane (73) coordinated with steel ball (22); The sidewall of described ring-type escape groove (11) is provided with the 3rd inclined-plane 111 coordinated with steel ball (22).
3. the joints of optical fibre according to claim 1, it is characterized in that: the front periphery of described supporting base (7) is extended with the annular projection (74) matched with balancing spring (6), the rear end that annular projection (74) is located in balancing spring (6) is outside.
4. the joints of optical fibre according to claim 1, it is characterized in that: the rear end of described supporting base (7) has been threaded tail optical fiber holder (13), and tail optical fiber holder (13) and the second lock pin (4) are arranged in concentric co-axial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044036.9A CN105511027B (en) | 2016-01-21 | 2016-01-21 | A kind of joints of optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044036.9A CN105511027B (en) | 2016-01-21 | 2016-01-21 | A kind of joints of optical fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105511027A true CN105511027A (en) | 2016-04-20 |
| CN105511027B CN105511027B (en) | 2017-08-01 |
Family
ID=55719131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610044036.9A Expired - Fee Related CN105511027B (en) | 2016-01-21 | 2016-01-21 | A kind of joints of optical fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105511027B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318975A (en) * | 2017-11-14 | 2018-07-24 | 烽火通信科技股份有限公司 | A kind of joint of connector, adapter and fast insert-pull |
| CN110927892A (en) * | 2019-12-19 | 2020-03-27 | 武汉邮埃服光电科技有限公司 | Optical fiber connector assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234124A (en) * | 1996-07-25 | 1999-11-03 | 莱维顿制造有限公司 | Fiber optic cable connector apparatus and method |
| EP1562058A1 (en) * | 2004-02-05 | 2005-08-10 | TRUMPF Laser GmbH + Co.KG | Plug-and-socket connection for a laser light cable connector |
| US20050238289A1 (en) * | 2003-11-25 | 2005-10-27 | Zygo Corporation | Optical fiber connectors and systems including optical fiber connectors |
| CN202583526U (en) * | 2012-04-24 | 2012-12-05 | 深圳日海通讯技术股份有限公司 | Optical fiber field connector |
-
2016
- 2016-01-21 CN CN201610044036.9A patent/CN105511027B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234124A (en) * | 1996-07-25 | 1999-11-03 | 莱维顿制造有限公司 | Fiber optic cable connector apparatus and method |
| US20050238289A1 (en) * | 2003-11-25 | 2005-10-27 | Zygo Corporation | Optical fiber connectors and systems including optical fiber connectors |
| EP1562058A1 (en) * | 2004-02-05 | 2005-08-10 | TRUMPF Laser GmbH + Co.KG | Plug-and-socket connection for a laser light cable connector |
| CN202583526U (en) * | 2012-04-24 | 2012-12-05 | 深圳日海通讯技术股份有限公司 | Optical fiber field connector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318975A (en) * | 2017-11-14 | 2018-07-24 | 烽火通信科技股份有限公司 | A kind of joint of connector, adapter and fast insert-pull |
| CN108318975B (en) * | 2017-11-14 | 2024-01-30 | 烽火通信科技股份有限公司 | A connector, adapter and quick-plug optical fiber connection component |
| CN110927892A (en) * | 2019-12-19 | 2020-03-27 | 武汉邮埃服光电科技有限公司 | Optical fiber connector assembly |
| CN110927892B (en) * | 2019-12-19 | 2021-12-07 | 武汉邮埃服光电科技有限公司 | Optical fiber connector assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105511027B (en) | 2017-08-01 |
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Effective date of registration: 20190726 Address after: 442100 Beicheng Industrial Park, Hongta Town, Fang County, Shiyan City, Hubei Province Patentee after: Hubei Guanghong Communication Technology Co., Ltd. Address before: 325000 Room 503, Block A, New Century Building, Fenghe Residential Area, Anyang Street, Wenzhou City, Zhejiang Province Patentee before: Shi Mingbo |
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Granted publication date: 20170801 Termination date: 20200121 |
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