CN201637881U - Optical fiber fast cold connector - Google Patents
Optical fiber fast cold connector Download PDFInfo
- Publication number
- CN201637881U CN201637881U CN2010201435737U CN201020143573U CN201637881U CN 201637881 U CN201637881 U CN 201637881U CN 2010201435737 U CN2010201435737 U CN 2010201435737U CN 201020143573 U CN201020143573 U CN 201020143573U CN 201637881 U CN201637881 U CN 201637881U
- Authority
- CN
- China
- Prior art keywords
- lock pin
- optical fiber
- connecting pipe
- cavity
- inserting core
- 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 - Fee Related
Links
Images
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model relates to an optical fiber fast cold connector, which comprises an inserting core cavity, wherein one end of the inserting core cavity is provided with a locating outer housing that is connected tightly; a pressing part is arranged on the locating outer housing; an inserting core tail handle is arranged in the inserting core cavity; one end of the inserting core tail handle is provided with a first inserting core that is fixedly connected with the inserting core tail handle; the first inserting core is communicated with the inner inserting slot of the inserting core tail handle; the other end of the first inserting core fixedly connected with the inserting core tail handle is provided with a connecting pipe correspondingly; the first inserting core stretches into the connecting pipe and can slide in the connecting pipe; the other end of the connecting pipe provided with the first inserting core is provided with a second inserting core correspondingly; the second inserting core is fixedly connected with the connecting pipe; the end part in the connecting pipe corresponding to the second inserting core is provided with optical fiber matching liquid; the optical fiber matching liquid surrounds the end part of the second inserting core; and the side wall of the connecting pipe corresponding to the optical fiber matching liquid is provided with an exhaust hole. The optical fiber fast cold connector has simple structure, convenient operation, low continue loss and high stability and reliability.
Description
Technical field
The utility model relates to a kind of connector, and the quick cold connector of especially a kind of optical fiber belongs to the technical field of fibre junction.
Background technology
In the fibre junction field, the mechanical type fibre junction is two kinds of different modes realizing that optical fiber is fixedlyed connected with Fusion Joining.Fiber to the home be deployed in user resident and indoor at the fibre junction point have big and the characteristics that the place disperses of number of users.Because different user is applied to install asynchronism(-nization), same sub-district, similar ADSL service release.After the user arrived to a certain degree, existing workmen and heat sealing machine can not satisfy the time requirement of user's turn up service.Mechanical type fibre junction mode is because simple to operate, and the staff training cycle is short, and instrument is invested characteristics such as little, for the optical fiber large scale deployment provides most cost-effective fibre junction solution.In such as corridor eminence, small space, illumination is not enough, on-the-spot power taking inconvenience etc. occasion.The mechanical type joints of optical fibre provide convenience, practicality, the means that continue efficiently for design, installation, maintainer.In theory, in Fiber to the home engineering, to the family, continuing of the optical cable of registering one's residence of enormous amount, scattered distribution such as capillary all should consider to use the mechanical type joints of optical fibre after the optical splitter beam split.
Optical fiber cold joint technology is guardian technique in optical fiber is registered one's residence engineering, but the insertion loss of optical fiber cold joint product is the resistance for fear of this technology popularization always.Generally the Insertion Loss requirement to the common joints of optical fibre is less than 0.3 or 0.2; Certainly the insertion loss of cold joint product can be more satisfactory state below 0.3 or 0.2.But external domesticly seldom have several companies the insertion loss of cold joint product really can be controlled at below 0.3 or 0.2, and the real insertion loss of this series products of other companies is all at 0.5～0.6.Like product adopts the design of V-type groove mostly, and two ends optical fiber is docked in groove.
The too high The key factor of cold connector Insertion Loss is the low-refraction that the breakpoint place has the clearance to cause.A lot of companies only consider at the breakpoint place when product design and add the matching fluid secluding air, and do not consider the air emptying that how breakpoint place itself is existed, matching fluid wraps up the original micro-air in breakpoint place when using easily, causes insertion loss to maintain about 0.5.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of optical fiber quick cold connector, and it is simple in structure, easy to operate, connecting loss is low, stability and reliability height.
According to the technical scheme that the utility model provides, the quick cold connector of described optical fiber comprises the lock pin cavity; One end of described lock pin cavity is provided with the location overcoat that is fastenedly connected, and puts outside the described location and is provided with the press section; Be provided with plug core tail handle in the described lock pin cavity, an end of described plug core tail handle is provided with first lock pin, and described first lock pin is fixedlyed connected with plug core tail handle; Described first lock pin is connected with slot in the plug core tail handle; First lock pin is provided with connecting pipe corresponding to the other end of fixedlying connected with plug core tail handle; First lock pin stretches in the connecting pipe, and can slide in connecting pipe; Connecting pipe is provided with second lock pin corresponding to the other end that is provided with first lock pin, and described second lock pin is fixedlyed connected with connecting pipe; End corresponding to second lock pin in the connecting pipe is provided with optical fiber matching fluid, and described optical fiber matching fluid is surrounded the end of second lock pin, and connecting pipe is provided with vent port corresponding to the sidewall that optical fiber matching fluid is set.
Described connecting pipe convexes with locating piece corresponding to the end that is provided with second lock pin, and connecting pipe is provided with spring corresponding to the other end that locating piece is set.Described lock pin cavity is provided with mounting groove, and described mounting groove is connected with the lock pin cavity; Be equipped with crimping in the mounting groove and turn round, the lower end that described crimping is turned round is provided with pilot hole, described pilot hole and lock pin cavity concentric; Crimping is turned round and can be slided in mounting groove, and crimping is turned round corresponding to the shape with contacted end of mounting groove and mounting groove and is complementary.Described lock pin cavity is provided with locating slot, and described locating slot is connected with the lock pin cavity; Be equipped with lock pin in the locating slot and push away, the lower end that described lock pin pushes away is provided with fixed orifice, described fixed orifice and lock pin cavity concentric; Lock pin pushes away corresponding to the shape with contacted end of locating slot and locating slot and is complementary.
Described lock pin cavity is provided with the tail cover corresponding to the other end that the location overcoat is set, and described tail cover is fastenedly connected with the lock pin cavity; The end of tail cover is provided with connecting through hole.Described lock pin cavity is provided with equally distributed slot segmentation corresponding to the other end that the location overcoat is set.Be embedded with optical fiber in described second lock pin, described optical fiber is fixedlyed connected with second lock pin; One end of described optical fiber and second lock pin are same plane, and the other end stretches in the connecting pipe after passing second lock pin.
Advantage of the present utility model: by optical fiber matching fluid and vent port are set in connecting pipe, when first lock pin and second lock pin continue, gas in the connecting pipe can be discharged by vent port, when first lock pin and second lock pin are continued, can be in the vacuum state, the loss value when reducing fibre junction.By in second lock pin, being embedded with optical fiber, when second lock pin is connected with other equipment, convenient and swift.Simple in structure, easy to operate, stability and reliability height.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A cut-open view of Fig. 1.
The structural representation that Fig. 3 pushes away for the utility model lock pin.
The structural representation that Fig. 4 turns round for the utility model crimping.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As Fig. 1～shown in Figure 4: the utility model comprises that location overcoat 1, second lock pin 2, locating piece 3, vent port 4, connecting pipe 5, spring 6, first lock pin 7, lock pin cavity 8, plug core tail handle 9, locating slot 10, slot 11, mounting groove 12, crimping turn round 13, tail cover 14, slot segmentation 15, connecting through hole 16, press section 17, fixed orifice 18, pilot hole 19, lock pin push away 20 and optical fiber 21.
As depicted in figs. 1 and 2: an end of described lock pin cavity 8 is provided with the location overcoat 1 that is fastenedly connected, and lock pin cavity 8 stretches in the overcoat 1 of location corresponding to the end that is connected with location overcoat 1, and is fastenedly connected with location overcoat 1.The surface of location overcoat 1 is provided with press section 17, and by pushing described press section 17, convenient location overcoat 1 is connected with other equipment rooms, forms LC type optical fiber quick connector.Be provided with plug core tail handle 9 in the described lock pin cavity 8, an end of plug core tail handle 9 is provided with the first fixedly connected lock pin 7, and the other end is provided with slot 11; Described first lock pin 7 is connected with slot 11, forms the passage that tail optical fiber continues.First lock pin 7 is provided with connecting pipe 5, the first lock pins 7 corresponding to the other end that is connected with plug core tail handle 9 and stretches in the connecting pipe 5, and can slide in connecting pipe 5.Connecting pipe 5 is provided with second lock pin 2 corresponding to the other end that first lock pin 7 is set, and described second lock pin 2 is fixedlyed connected with connecting pipe 5.End corresponding to second lock pin 2 in the connecting pipe 5 stores optical fiber matching fluid, and described optical fiber matching fluid is surrounded the end of second lock pin 2; Connecting pipe 5 is provided with vent port 4 corresponding to the sidewall that optical fiber matching fluid is set.Be embedded with optical fiber 21 in second lock pin 2; By grinding, an end that makes optical fiber 21 is surperficial concordant with second lock pin 2 corresponding to the other end that links to each other with connecting pipe 5 for second lock pin 2, and the other end stretches in the connecting pipe 5 after passing second lock pin 2, can guarantee that tail optical fiber effectively continues.Described connecting pipe 5 convexes with locating piece 3 corresponding to an end that is provided with second lock pin 2, and connecting pipe 5 is provided with spring 6 corresponding to the other end that is provided with locating piece 3, guarantees the elasticity when connecting pipe 5 is connected with lock pin cavity 8.
As Fig. 2, Fig. 3 and shown in Figure 4: as described in plug core tail handle 9 stretch in the lock pin cavity 8 corresponding to the end that slot 11 is set.Lock pin cavity 8 is provided with mounting groove 12 and locating slot 10, and described locating slot 10 is connected with mounting groove 12 even lock pin cavitys 8.Be equipped with lock pin in the described locating slot 10 and push away 20, the lower end of lock pin body 20 is provided with fixed orifice 18; Lock pin pushes away 20 when being embedded in the locating slot 10, fixed orifice 18 and lock pin cavity 8 concentrics; Lock pin pushes away 20 upper end and the shape of locating slot 10 is complementary.Be equipped with crimping in the mounting groove 12 and turn round 13, described crimping is turned round 13 bottom and is provided with pilot hole 19; Crimping turns round 13 when being embedded in the mounting groove 12, pilot hole 19 and lock pin cavity 8 concentrics; 13 top is turned round in crimping and the shape of mounting groove 12 is complementary.When plug core tail handle 9 stretched in the lock pin cavity 8 corresponding to the end that slot 11 is set, the end of plug core tail handle 9 was passed fixed orifice 18 and pilot hole 19 respectively; When plug core tail handle 9 is passed fixed orifice 18,, make lock pin push away 20 and fixedly connected with plug core tail handle 9 by on plug core tail handle 9 and fixed orifice 18, adhesive glue being set in advance; Push away 20 by lock pin and can adjust the position that plug core tail handle 9 is positioned at lock pin cavity 8.Plug core tail handle 9 is corresponding to the end diameter difference that slot 11 is set, and crimping is turned round 13 pilot hole 19 and is enclosed within on the plug core tail handle 9, and mobile crimping turns round 13, realizes the adjustment to slot 11 opening degrees of plug core tail handle 9, adjusts the clamping degree of 9 pairs of tail optical fibers that continue of plug core tail handle.
Described lock pin cavity 8 is provided with tail cover 14 corresponding to the other end that location overcoat 1 is set, and the end of described tail cover 14 is provided with connecting through hole 16.Lock pin cavity 8 is provided with equally distributed slot segmentation 15 corresponding to the end that tail cover 14 is set, and described slot segmentation 15 is three, makes lock pin cavity 8 become three valve structures corresponding to the end that tail cover 14 is set.Tapered in the tail cover 14, when tail cover 14 and 8 of lock pin cavitys were fastenedly connected, tail cover 14 can make three valve structures of lock pin cavity 8 ends shrink, and lock pin cavity 8 can further clamp the tail optical fiber that continues.
As Fig. 1～shown in Figure 4: during use, tail optical fiber that earlier will be the to be continued fixed length cutting of removing photoresist, tail optical fiber that again will be to be continued penetrates the connecting through hole 16 of tail cover 14.The described tail optical fiber that penetrates behind the connecting through hole 16, pass the passage of lock pin cavity 8 again after, slot 11 backs by plug core tail handle 9 are also stretched in first lock pin 7, described tail optical fiber is connected with first lock pin 7 by specific processing.Promote plug core tail handle 9, first lock pin 7 is slided in connecting pipe 5; Along with first slip of lock pin 7 in connecting pipe 5, the gas of first lock pin 7 and second lock pin, 2 ends is discharged from vent port 4; When first lock pin 7 closely contacts with the end of second lock pin 2, the optical fiber matching fluid that the end that first lock pin 7 and second lock pin are 2 is stored in the connecting pipe 5 is surrounded, guarantee that first lock pin 7 and second lock pin 2 are in the vacuum contact condition, the loss value in the time of can reducing first lock pin 7 and second lock pin 2 and continue.By being embedded with optical fiber 21 in second lock pin 2, described optical fiber 21 is corresponding to being positioned at the length of connecting pipe 5 inner end length greater than second lock pin 2, can guarantee contacting between optical fiber 21 and tail optical fiber; Pre-buried optical fiber 21 in second lock pin 2, and second lock pin 2 makes second lock pin 2 and optical fiber 21 at grade corresponding to the other end that links to each other with connecting pipe 5 through grinding is installed and convenient and swift when using.After first lock pin 7 and second lock pin 2 continue and finish, lock pin is pushed away 20 to be turned round 13 with crimping and is placed on respectively in locating slot 10 and the mounting groove 12, the pilot hole 19 and lock pin cavity 8 equal concentrics of 13 lower ends turned round in fixed orifice 18, the crimping of lock pin body 20 lower ends, after plug core tail handle 9 is inserted in mounting hole 18 and the pilot hole 19, guarantee that plug core tail handle 9 and lock pin cavity 8 also are that concentric is installed, make 2 concentric contacts of first lock pin 7 and second lock pin simultaneously, the tail optical fiber that guarantees first lock pin, 7 ends contacts with the effective of optical fiber 21 in second lock pin 2.
After fixed orifice 18 is passed in the end of plug core tail handle 9,, make plug core tail handle 9 and lock pin push away 20 and fixedly connected by the adhesive glue on plug core tail handle 9 and fixed orifice 18 in advance.Promote lock pin and push away 20, thereby can adjust the position of plug core tail handle 9.Plug core tail handle 9 has different diameters corresponding to slot 11 1 ends are set, and turns round 13 in the position of plug core tail handle 9 by adjusting crimping, can adjust plug core tail handle 9 corresponding to the openings of sizes that slot 11 is set, and realizes the different clamped conditions of 9 pairs of tail optical fibers of plug core tail handle.
The utility model is by being provided with optical fiber matching fluid and vent port 4 in connecting pipe 5, when first lock pin 7 and second lock pin 2 continue, gas in the connecting pipe 5 can be discharged by vent port 4, when first lock pin 7 and second lock pin 2 are continued, can be in the vacuum state, the loss value when reducing fibre junction.Simple in structure, easy to operate, stability and reliability height.By in second lock pin 2, being embedded with optical fiber 21, the second lock pins 2 when being connected, convenient and swift with other equipment.On the overcoat 1 of location, be provided with press section 17 simultaneously, can realize the end of second lock pin 2 and being connected of other equipment rooms by pressing described press section 17.Simple in structure, easy to operate, stability and reliability height.
Claims (7)
1. the quick cold connector of optical fiber comprises lock pin cavity (8), it is characterized in that: an end of described lock pin cavity (8) is provided with the location overcoat (1) that is fastenedly connected, and described location overcoat (1) is provided with press section (17); Be provided with plug core tail handle (9) in the lock pin cavity (8), an end of described plug core tail handle (9) is provided with first lock pin (7), and described first lock pin (7) is fixedlyed connected with plug core tail handle (9); Described first lock pin (7) is connected with the interior slot of plug core tail handle (9) (11); First lock pin (7) is provided with connecting pipe (5) corresponding to the other end of fixedlying connected with plug core tail handle (9); First lock pin (7) stretches in the connecting pipe (5), and can slide in connecting pipe (5); Connecting pipe (5) is provided with second lock pin corresponding to the other end that is provided with first lock pin (7), and (2, described second lock pin (2) is fixedlyed connected with connecting pipe (5); End corresponding to second lock pin (2) in the connecting pipe (5) is provided with optical fiber matching fluid, and described optical fiber matching fluid is surrounded the end of second lock pin (2), and connecting pipe (5) is provided with vent port (4) corresponding to the sidewall that optical fiber matching fluid is set.
2. the quick cold connector of optical fiber according to claim 1 is characterized in that: described connecting pipe (5) convexes with locating piece (3) corresponding to the end that is provided with second lock pin (2), and connecting pipe (5) is provided with spring (6) corresponding to the other end that locating piece (3) is set.
3. the quick cold connector of optical fiber according to claim 1 is characterized in that: described lock pin cavity (8) is provided with mounting groove (12), and described mounting groove (12) is connected with lock pin cavity (8); Be equipped with crimping in the mounting groove (12) and turn round (13), the lower end that (13) are turned round in described crimping is provided with pilot hole (19), described pilot hole (19) and lock pin cavity (8) concentric; Crimping is turned round (13) and can be slided in mounting groove (12), and crimping is turned round (13) and is complementary corresponding to the shape with contacted end of mounting groove (12) and mounting groove (12).
4. the quick cold connector of optical fiber according to claim 1 is characterized in that: described lock pin cavity (8) is provided with locating slot (10), and described locating slot (10) is connected with lock pin cavity (8); Be equipped with lock pin in the locating slot (10) and push away (20), the lower end that described lock pin pushes away (20) is provided with fixed orifice (18), described fixed orifice (18) and lock pin cavity (8) concentric; Lock pin pushes away (20) and is complementary corresponding to the shape with contacted end of locating slot (10) and locating slot (10).
5. the quick cold connector of optical fiber according to claim 1 is characterized in that: described lock pin cavity (8) is provided with tail cover (14) corresponding to the other end that location overcoat (1) is set, and described tail cover (14) is fastenedly connected with lock pin cavity (8); The end of tail cover (14) is provided with connecting through hole (16).
7. the quick cold connector of optical fiber according to claim 1 is characterized in that: described lock pin cavity (8) is provided with equally distributed slot segmentation (15) corresponding to the other end that location overcoat (1) is set.
8. the quick cold connector of optical fiber according to claim 1 is characterized in that: be embedded with optical fiber (21) in described second lock pin (2), described optical fiber (21) is fixedlyed connected with second lock pin (2); One end of described optical fiber (21) and second lock pin (2) are same plane, and the other end stretches in the connecting pipe (5) after passing second lock pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201435737U CN201637881U (en) | 2010-03-17 | 2010-03-17 | Optical fiber fast cold connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201435737U CN201637881U (en) | 2010-03-17 | 2010-03-17 | Optical fiber fast cold connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637881U true CN201637881U (en) | 2010-11-17 |
Family
ID=43082385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201435737U Expired - Fee Related CN201637881U (en) | 2010-03-17 | 2010-03-17 | Optical fiber fast cold connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201637881U (en) |
Cited By (1)
| 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 |
-
2010
- 2010-03-17 CN CN2010201435737U patent/CN201637881U/en not_active Expired - Fee Related
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 |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008086443A3 (en) | High pressure connect fitting | |
| CN101833142A (en) | Insert device with exhausting function | |
| CN201637881U (en) | Optical fiber fast cold connector | |
| CN101833141B (en) | Ferrule device with exhausting slot | |
| CN210430759U (en) | Cable fixing device for weak current engineering | |
| CN101833144A (en) | Covered wire cold connector | |
| CN203481612U (en) | Connector plugging and pulling out device | |
| CN201637879U (en) | Optical fiber rapid cooling connector | |
| CN102565964B (en) | Optical fiber mechanical splicer and on-site manufactured optical fiber connector based on same | |
| CN203673107U (en) | Quick-plugging optical fiber connector | |
| CN204439823U (en) | A kind of electric energy meter tray device | |
| CN218236558U (en) | Municipal drainage engineering pipeline coupling mechanism | |
| CN203421377U (en) | Rapidly-disassembling-and-assembling adapter | |
| CN201637877U (en) | Insert core body device with venting function | |
| CN201637878U (en) | Insert core body device with vent groove | |
| CN203082420U (en) | Plastic pressure pipe connecting quick-change connector | |
| CN110994279A (en) | Automatic change connector | |
| CN102141657B (en) | Fast optical fiber connector | |
| CN201637883U (en) | Water-proof and anti-shock mechanical splice | |
| CN201637880U (en) | Rubber-covered wire cold-welding coupler | |
| CN202057836U (en) | Rapid optical fiber connector | |
| CN201637882U (en) | Cold joint linear attenuator | |
| CN201984187U (en) | Connecting structure of optical fiber cold connection inserting core body | |
| CN203773098U (en) | Actuating device for optical fiber connector | |
| CN101833143B (en) | Cold-lapping linear attenuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20140317 |