CN203930128U - The SC type joints of optical fibre - Google Patents
The SC type joints of optical fibre Download PDFInfo
- Publication number
- CN203930128U CN203930128U CN201420312663.2U CN201420312663U CN203930128U CN 203930128 U CN203930128 U CN 203930128U CN 201420312663 U CN201420312663 U CN 201420312663U CN 203930128 U CN203930128 U CN 203930128U
- Authority
- CN
- China
- Prior art keywords
- lock pin
- optical fiber
- tail optical
- supporting base
- 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.)
- Expired - Lifetime
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 94
- 239000002184 metal Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 239000007767 bonding agent Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The disclosed SC type of the utility model joints of optical fibre, comprise package casing, cover headstock, the first lock pin, the second lock pin, metal caudal peduncle, balancing spring, supporting base, beam ring nut, and gum cover pipe, the first lock pin, the second lock pin and the metal caudal peduncle formation ferrule assembly that is fixed as one, metal tail sleeve is located in described cover headstock, also comprise tail optical fiber holder, the front end of tail optical fiber holder is connected with the inner thread of supporting base, on described tail optical fiber holder, be provided with vertically the through hole adapting with tail optical fiber, on the outer wall of described the first lock pin, edge is circumferentially with annular groove, in described annular groove, be embedded with expanding ring, the front inner wall of described cover headstock is provided with the annular projection coordinating with expanding ring, between described annular projection and expanding ring, be connected with volute spring.The utility model structure arranges advantages of simple, tail optical fiber can not apply difficult loosening, stable working state between pulling force effect, the first lock pin and metal caudal peduncle to ferrule assembly.
Description
Technical field
The utility model relates to optical fibre coupling device technical field, particularly a kind of SC type joints of optical fibre.
Background technology
Along with the development of optical communication technique, light entering and copper back, Fiber to the home is 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 that occur in the market, its structure generally includes package casing, cover headstock, the first lock pin, the second lock pin, metal caudal peduncle, balancing spring, supporting base, beam ring nut, and gum cover pipe, described pullover cover for seat is located in described package casing and is coordinated with package casing clamping, the end of described the first lock pin and the second lock pin is located in described metal caudal peduncle plug-in mounting, and make the first lock pin by bonding agent, the second lock pin and the metal caudal peduncle formation ferrule assembly that is fixed as one, metal tail sleeve is located in described cover headstock, described supporting base is sheathed in package casing and its front end coordinates with the clamping of cover headstock, between described metal caudal peduncle and supporting base, be connected with described balancing spring, described beam ring spiro cap is arranged in the tail end of supporting base, the front end sleeve of described gum cover pipe is located in package casing and is threaded with beam ring nut.During use, in the first lock pin, penetrate pre-buried optical fiber, in the second lock pin, penetrate tail optical fiber, wherein said tail optical fiber inserts in the second lock pin after penetrating successively gum cover pipe, beam ring nut, supporting base, and the end face by tail optical fiber and pre-buried optical fiber intercouples, thereby completes the transmission of light signal.
Yet, the defect of the above-mentioned SC type joints of optical fibre is: first, when carrying out optical fiber installation, mobile for preventing that optical fiber from occurring in lock pin, need to optical fiber and corresponding lock pin be fixed together by bonding agent, the first lock pin due to the above-mentioned joints of optical fibre, the second lock pin and metal caudal peduncle are fixed as one by bonding agent when mounted, and optical cable and tail optical fiber link together, optical cable is being subject to can to apply pulling force effect to tail optical fiber under external force state, for avoiding causing ferrule assembly to occur moving axially because tail optical fiber forms pulling force effect to ferrule assembly, therefore one section of optical fiber section more than needed conventionally can be set when assembling in connector, when optical cable applies pulling force to tail optical fiber, by the optical fiber section of having more than needed, play the effect of pulling force buffering, yet, in practical set process, due to technician's operate miss, the optical fiber segment length more than needed of tail optical fiber arranges shorter sometimes, cannot offset the pulling force from optical cable, make tail optical fiber still can compress described balancing spring by metal caudal peduncle, cause the first lock pin to be synchronized with the movement with metal caudal peduncle, and then cause the insertion core end face of another connector in the end face of the first lock pin and adapter to depart from, affect the normal transmission of signal, the phenomenon that even causes Optical Fiber Transmission to interrupt, the second, because the first lock pin and metal caudal peduncle link together by bonding agent, when connector frequently plugs, easily cause between the first lock pin and metal caudal peduncle and occur vertically loosening phenomenon affecting the normal use of connector.
Utility model content
The purpose of this utility model is for the defect of prior art and deficiency, provides a kind of structure that advantages of simple, tail optical fiber are set and can not apply and between pulling force effect, the first lock pin and metal caudal peduncle, be difficult for the SC type joints of optical fibre loosening, stable working state ferrule assembly.
For achieving the above object, the utility model is by the following technical solutions:
The SC type joints of optical fibre described in the utility model, comprise package casing, cover headstock, the first lock pin, the second lock pin, metal caudal peduncle, balancing spring, supporting base, beam ring nut, and gum cover pipe, described pullover cover for seat is located in described package casing and is coordinated with package casing clamping, the end of described the first lock pin and the second lock pin is located in described metal caudal peduncle plug-in mounting, and make the first lock pin by bonding agent, the second lock pin and the metal caudal peduncle formation ferrule assembly that is fixed as one, metal tail sleeve is located in described cover headstock, described supporting base is sheathed in package casing and its front end coordinates with the clamping of cover headstock, between described metal caudal peduncle and supporting base, be connected with described balancing spring, described beam ring spiro cap is arranged in the tail end of supporting base, the front end sleeve of described gum cover pipe is located in package casing and is threaded with beam ring nut, also comprise tail optical fiber holder, described tail optical fiber holder is installed between supporting base and beam ring nut, and the front end of tail optical fiber holder is connected with the inner thread of supporting base, on described tail optical fiber holder, be provided with vertically the through hole adapting with tail optical fiber, the jack of described through hole and the second lock pin is concentric co-axial setting, on the outer wall of described the first lock pin, edge is circumferentially with annular groove, in described annular groove, be embedded with expanding ring, the front inner wall of described cover headstock is provided with the annular projection coordinating with expanding ring, between described annular projection and expanding ring, be connected with volute spring, described package casing passes through annular projection, volute spring and expanding ring match described the first lock pin are applied to a thrust of pointing to the second lock pin all the time.
Further, the two ends of described tail optical fiber holder are respectively equipped with the cone tank being connected with described through hole, and described cone tank and through hole are concentric co-axial setting.
Further, the cross section of described annular projection is the ladder structure of right angle that front end face is inclined-plane, and the gradient on described inclined-plane is 45 degree.
The beneficial effects of the utility model are: compared with prior art, the utility model is by arranging the tail optical fiber holder being threaded with supporting base, and the through hole adapting with tail optical fiber is set on tail optical fiber holder vertically, when the utility model is installed, tail optical fiber penetrates gum cover pipe successively, beam ring nut, tail optical fiber holder, and after supporting base, insert in the second lock pin, and by bonding agent, tail optical fiber is fixedly connected with tail optical fiber holder, the optical fiber section more than needed of tail optical fiber takes shape between tail optical fiber holder and gum cover pipe, by said structure is set, the pulling force that is subject to optical cable when tail optical fiber is done the used time, first by this pulling force of the optical fiber section of having more than needed buffering, when optical fiber segment length more than needed arranges deficiency, because tail optical fiber is fixedly connected with tail optical fiber holder, tail optical fiber holder screw thread is fixed on supporting base, thereby avoided tail optical fiber directly to apply pulling force effect to ferrule assembly, guaranteed the stability of ferrule assembly position when work, and then there is axially movable phenomenon in the first lock pin while having avoided work, by annular projection, expanding ring and volute spring are set, make the first lock pin be subject to all the time an acting force that points to the second lock pin, simultaneously under the mating reaction of balancing spring, effectively guaranteed the stability of the first lock pin position, avoided the first lock pin because connecting the loosening axially movably phenomenon that causes, the stability that has further guaranteed the transmission of the utility model signal, has extended serviceable life.
Accompanying drawing explanation
Fig. 1 is Integral connection structure schematic diagram of the present utility model;
Fig. 2 is the A place structure for amplifying schematic diagram of Fig. 1;
Fig. 3 is the B place structure for amplifying schematic diagram of Fig. 1.
In figure:
1, package casing; 2, cover headstock; 3, the first lock pin; 4, the second lock pin; 5, metal caudal peduncle; 6, balancing spring; 7, supporting base; 8, beam ring nut; 9, gum cover pipe; 10, tail optical fiber holder; 31, expanding ring; 21, annular projection; 22, volute spring; 101, cone tank; 20, pre-buried optical fiber; 30, tail optical fiber.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
The SC type joints of optical fibre as shown in Figure 1 to Figure 3, comprise package casing 1, cover headstock 2, the first lock pin 3, the second lock pin 4, metal 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 described package casing 1 and coordinates with package casing 1 clamping, the end of described the first lock pin 3 and the second lock pin 4 is located in described metal caudal peduncle 5 plug-in mounting, and make the first lock pin 3 by bonding agent, the second lock pin 4 and the metal caudal peduncle 5 formation ferrule assembly that is fixed as one, metal caudal peduncle 5 is sheathed in described cover headstock 2, described supporting base 7 is sheathed in package casing 1 and its front end coordinates with 2 clampings of cover headstock, between described metal caudal peduncle 5 and supporting base 7, be connected with described balancing spring 6, described beam ring nut 8 covers are arranged in the tail end of supporting base 7, the front end sleeve of described gum cover pipe 9 is located in package casing 1 and is threaded with beam ring nut 8.
The above forms agent structure of the present utility model.
The utility model also comprises tail optical fiber holder 10, described tail optical fiber holder 10 is installed between supporting base 7 and beam ring nut 8, and the front end of tail optical fiber holder 10 is connected with the inner thread of supporting base 7, on described tail optical fiber holder 10, be provided with vertically the through hole adapting with tail optical fiber 30, the jack of described through hole and the second lock pin 4 is concentric co-axial setting.When the utility model is installed, tail optical fiber 30 penetrates gum cover pipe 9 successively, beam ring nut 8, tail optical fiber holder 10, and in rear insertion the second lock pin 4 of supporting base 7, and by bonding agent, tail optical fiber 30 is fixedly connected with tail optical fiber holder 10, the optical fiber section more than needed of tail optical fiber 30 takes shape between tail optical fiber holder 10 and gum cover pipe 9, by said structure is set, the pulling force that is subject to optical cable when tail optical fiber 30 is done the used time, first by this pulling force of the optical fiber section of having more than needed buffering, when optical fiber segment length more than needed arranges deficiency, because tail optical fiber 30 is fixedly connected with tail optical fiber holder 10, tail optical fiber holder 10 screw threads are fixed on supporting base 7, thereby avoided 30 pairs of ferrule assemblies of tail optical fiber directly to apply pulling force effect, guaranteed the stability of ferrule assembly position when work, and then there is axially movable phenomenon in the first lock pin 3 while having avoided work.
On the outer wall of described the first lock pin 3, edge is circumferentially with annular groove, in described annular groove, be embedded with expanding ring 31, the front inner wall of described cover headstock 2 is provided with the annular projection 21 coordinating with expanding ring 31, between described annular projection 21 and expanding ring 31, be connected with volute spring 22, described package casing 1 is matched described the first lock pin 3 is applied to a thrust of pointing to the second lock pin 4 all the time by annular projection 21, volute spring 22 and expanding ring 31.During installation, first the first lock pin 3, the second lock pin 4 and metal caudal peduncle 5 are fixed into and are integrally formed ferrule assembly, the ferrule assembly assembling is inserted from the rear end of cover headstock 2, make the front end of the first lock pin 3 stretch out in the outside of package casing 1, then expanding ring 31 is mounted in annular groove, and then pack volute spring 22 into, volute spring 22 is installed between annular projection 21 and expanding ring 31.
By annular projection 21, expanding ring 31 and volute spring 22 are set, make the first lock pin 3 be subject to all the time an acting force that points to the second lock pin 4, simultaneously under the mating reaction of balancing spring 6, effectively guaranteed the stability of the first lock pin 3 positions, avoided the first lock pin 3 because connecting the loosening axially movably phenomenon that causes, the stability that has further guaranteed the transmission of the utility model signal, has extended serviceable life.
As a kind of preferred implementation, as shown in Figure 2, the two ends of described tail optical fiber holder 10 are respectively equipped with the cone tank 101 being connected with described through hole, described cone tank 101 is concentric co-axial setting with through hole, cone tank 101 is set, be convenient to tail optical fiber 30 and insert in through hole, the utility model is installed more convenient.
As a kind of preferred implementation, as shown in Figure 3, the cross section of described annular projection 21 is the ladder structure of right angle that front end face is inclined-plane, and the gradient on described inclined-plane is 45 degree, makes volute spring 22 of the present utility model install more convenient.
The above is only better embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (3)
1. the SC type joints of optical fibre, comprise package casing (1), cover headstock (2), the first lock pin (3), the second lock pin (4), metal 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 described package casing (1) and coordinates with package casing (1) clamping, the end of described the first lock pin (3) and the second lock pin (4) is located in described metal caudal peduncle (5) plug-in mounting, and make the first lock pin (3) by bonding agent, the second lock pin (4) and metal caudal peduncle (5) the formation ferrule assembly that is fixed as one, metal caudal peduncle (5) is sheathed in described cover headstock (2), described supporting base (7) is sheathed in package casing (1) and its front end coordinates with the clamping of cover headstock (2), between described metal caudal peduncle (5) and supporting base (7), be connected with described balancing spring (6), described beam ring nut (8) cover is arranged in the tail end of supporting base (7), the front end sleeve of described gum cover pipe (9) is located in package casing (1) and is threaded with beam ring nut (8), it is characterized in that: also comprise tail optical fiber holder (10), described tail optical fiber holder (10) is installed between supporting base (7) and beam ring nut (8), and the front end of tail optical fiber holder (10) is connected with the inner thread of supporting base (7), on described tail optical fiber holder (10), be provided with vertically the through hole adapting with tail optical fiber (30), the jack of described through hole and the second lock pin (4) is concentric co-axial setting, on the outer wall of described the first lock pin (3), edge is circumferentially with annular groove, in described annular groove, be embedded with expanding ring (31), the front inner wall of described cover headstock (2) is provided with the annular projection (21) coordinating with expanding ring (31), between described annular projection (21) and expanding ring (31), be connected with volute spring (22), described package casing (1) is by annular projection (21), volute spring (22) and expanding ring (31) match described the first lock pin (3) are applied to a thrust of pointing to the second lock pin (4) all the time.
2. the SC type joints of optical fibre according to claim 1, it is characterized in that: the two ends of described tail optical fiber holder (10) are respectively equipped with the cone tank (101) being connected with described through hole, described cone tank (101) is concentric co-axial setting with through hole.
3. the SC type joints of optical fibre according to claim 1, it is characterized in that: the cross section of described annular projection (21) is the ladder structure of right angle that front end face is inclined-plane, and the gradient on described inclined-plane are 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312663.2U CN203930128U (en) | 2014-06-12 | 2014-06-12 | The SC type joints of optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312663.2U CN203930128U (en) | 2014-06-12 | 2014-06-12 | The SC type joints of optical fibre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203930128U true CN203930128U (en) | 2014-11-05 |
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ID=51825925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420312663.2U Expired - Lifetime CN203930128U (en) | 2014-06-12 | 2014-06-12 | The SC type joints of optical fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203930128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090342A (en) * | 2014-06-12 | 2014-10-08 | 奉化市宇达高科光电器件有限公司 | SC-type fiber connector |
| CN115201973A (en) * | 2022-07-18 | 2022-10-18 | 常州莱特康光电科技有限公司 | Optical fiber jumper wire preparation method and optical fiber jumper wire |
-
2014
- 2014-06-12 CN CN201420312663.2U patent/CN203930128U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090342A (en) * | 2014-06-12 | 2014-10-08 | 奉化市宇达高科光电器件有限公司 | SC-type fiber connector |
| CN104090342B (en) * | 2014-06-12 | 2015-10-28 | 奉化市宇达高科光电器件有限公司 | The SC type joints of optical fibre |
| CN115201973A (en) * | 2022-07-18 | 2022-10-18 | 常州莱特康光电科技有限公司 | Optical fiber jumper wire preparation method and optical fiber jumper wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315500 No. 32 East Feng Road, Yue Lin Street, Zhejiang, Fenghua Patentee after: Ningbo Yuda Electro-Optic Co., Ltd Address before: Liu village in Zhejiang province Ningbo City Golden Road 315500 Fenghua city streets Xiwu Hu Shao Patentee before: Fenghua City space reaches high-tech photoelectric device company limited |