CN201637879U - Optical fiber rapid cooling connector - Google Patents
Optical fiber rapid cooling connector Download PDFInfo
- Publication number
- CN201637879U CN201637879U CN201020143560XU CN201020143560U CN201637879U CN 201637879 U CN201637879 U CN 201637879U CN 201020143560X U CN201020143560X U CN 201020143560XU CN 201020143560 U CN201020143560 U CN 201020143560U CN 201637879 U CN201637879 U CN 201637879U
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- Prior art keywords
- lock pin
- optical fiber
- connecting pipe
- cavity
- insert core
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Abstract
The utility model relates to an optical fiber rapid cooling connector which comprises an insert core cavity, and one end of the insert core cavity is fixedly connected with a locating and protecting sleeve. An insert core tail handle is arranged in the insert core cavity, one end of the insert tail handle is provided with a fixedly connected first insert core. The other end of the insert core tail handle relatively to the end provided with the first insert core penetrates into the insert core cavity and is firmly connected with the insert core cavity. The other end of the first insert core relatively to the end embedded in the insert core cavity stretches into a connecting pipe, and the first insert core can slide in the connecting pipe. The other end of the connecting pipe relatively to the end provided with the first insert core is provided with a second insert core, and one end of the second insert core stretches into the connecting pipe and is fixedly connected with the connecting pipe. One end of the connecting pipe adjacent to the second insert core is provided with optical fiber matching fluid, and the side wall of the connecting pipe relative to the optical fiber matching fluid is provided with exhaust holes. The utility model has simple structure, convenient operation, low splice loss, high stability and high security.
Description
Technical field
The utility model relates to a kind of joints of optical fibre, 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, the location protective sleeve that an end setting of described lock pin cavity is fastenedly connected; Be provided with plug core tail handle in the described lock pin cavity; One end of described plug core tail handle is provided with the first fixedly connected lock pin, and the other end is provided with slot, and described slot is connected with first lock pin; Plug core tail handle penetrates in the lock pin cavity corresponding to the other end that first lock pin is set, and is fastenedly connected with the lock pin cavity; First lock pin stretches in the connecting pipe corresponding to the other end that is embedded in the lock pin cavity, and first lock pin can slide in connecting pipe; Connecting pipe is provided with second lock pin corresponding to the other end that first lock pin is set; One end of second lock pin stretches in the connecting pipe, and fixedlys connected with connecting pipe; End corresponding to second lock pin in the described 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; Connecting pipe is provided with spring corresponding to the other end that locating piece is set.Be provided with optical fiber in described second lock pin, described optical fiber is fixedlyed connected with second lock pin; One end of optical fiber penetrates in second lock pin, and stretches out second lock pin; The end face of the other end of optical fiber and second lock pin is same plane.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 protective sleeve 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 location protective sleeve is provided with the location shell, and described location shell can slide by the relative positioning protective sleeve; Described location shell is provided with first stopper slot, and the shape of described first stopper slot is complementary with first limited block of location protective sleeve.Also be provided with second stopper slot on the shell of described location, described second stopper slot is connected with first stopper slot; Described second stopper slot and the second limited block corresponding matching of locating on the protective sleeve; The shape of second stopper slot and second limited block match.Described lock pin cavity is provided with equally distributed slot segmentation corresponding to the other end that the location protective sleeve is set.
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.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 structural representation of the utility model location shell.
Fig. 3 is the structural representation of the utility model location protective sleeve.
The structural representation that Fig. 4 pushes away for the utility model lock pin.
The structural representation that Fig. 5 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 5: the utility model comprises that location shell 1, location protective sleeve 2, locating piece 3, spring 4, lock pin cavity 5, first lock pin 6, plug core tail handle 7, lock pin push away 8, crimping turns round 9, tail cover 10, connecting pipe 11, vent port 12, slot 13, connecting through hole 14, slot segmentation 15, mounting groove 16, locating slot 17, second lock pin 18, first stopper slot 19, second stopper slot 20, second limited block 21, first limited block 22, fixed orifice 23, pilot hole 24 and optical fiber 25.
As shown in Figure 1: an end of described lock pin cavity 5 is embedded in the protective sleeve 2 of location, and is fastenedly connected with location protective sleeve 2.Be provided with plug core tail handle 7 in the described lock pin cavity 5, an end of described plug core tail handle 7 is provided with the first fixedly connected lock pin 6, and the other end is provided with slot 13.Plug core tail handle 7 forms two valve structures corresponding to the end that slot 13 is set, and the tail optical fiber that the passage that plug core tail handle 7 utilizes slot 13 to form will be to be continued is connected with first lock pin 6.Described first lock pin 6 is provided with connecting pipe 11, the first lock pins 6 corresponding to the other end that is connected with plug core tail handle 7 and stretches in the connecting pipe 11, and can slide in connecting pipe 11.Connecting pipe 11 is provided with second lock pin, 18, the second lock pins 18 corresponding to the other end that first lock pin 6 is set and fixedlys connected with connecting pipe 11.Be embedded with optical fiber 25 in described second lock pin 18, an end of described optical fiber 25 penetrates in second lock pin 18, and stretches in the connecting pipe 11, is convenient to optical fiber 25 and is connected with tail optical fiber in first lock pin 6.The end face that second lock pin 18 makes second lock pin 18 and optical fiber 25 by grinding corresponding to the other end that links to each other with connecting pipe 11 at grade, convenient second lock pin 18 is connected with other equipment.Connecting pipe 11 is provided with optical fiber matching fluid corresponding to the end of second lock pin 18, and described optical fiber matching fluid is surrounded the end of second lock pin 18; Connecting pipe 11 is provided with vent port 12 corresponding to the surface that optical fiber matching fluid is set, and when first lock pin 6 slided in connecting pipe 11, the gas between first lock pin 6 and second lock pin, 18 ends can be discharged outside the connecting pipe 11 by vent port 12.Second lock pin 18 passes outside the protective sleeve 2 of location corresponding to the other end that is connected with connecting pipe 11.Connecting pipe 11 is provided with locating piece 3 corresponding to the end that second lock pin 18 is set, and contiguous block 11 is provided with spring 4 corresponding to the other end that locating piece 3 is set, and guarantees pack into the elasticity of lock pin cavity 5 and location protective sleeve 2 of connecting pipe 11.
As Fig. 1, Fig. 2 and shown in Figure 3: as described in be with location shell 1 on the location protective sleeve 2, described location shell 1 with locate protective sleeve 2 and can slide relatively.Described location protective sleeve 2 is provided with first limited block 22 and second limited block 21; when location shell 1 is enclosed within on the protective sleeve 2 of location; first limited block 22 and second limited block 21 respectively with first stopper slot 19, second stopper slot 20 corresponding matching of location on the shell 1, guarantee that location shell 1 is enclosed within the position on the protective sleeve 2 of location.Described first stopper slot 19 is connected with second stopper slot 20.The shape of described first limited block 22 and first stopper slot 19 matches, and the shape of second limited block 21 and second stopper slot 20 matches; When promotion location shell 1 slided on the protective sleeve 2 of location, first limited block 21 and second limited block 22 can limit the position of location shell 1, are convenient to locate the installation and the dismounting of shell 1.
As Fig. 1, Fig. 4 and shown in Figure 5: as described in the sidewall of lock pin cavity 5 be provided with mounting groove 16 and locating slot 17, described mounting groove 16 all is connected with lock pin cavity 5 with locating slot 17.Be equipped with crimping in the described mounting groove 6 and turn round 9, crimping is turned round 9 lower end and is provided with pilot hole 24; Crimping turns round 9 when being embedded in the mounting groove 16, pilot hole 24 and lock pin cavity 5 concentrics, and 9 upper end is turned round in crimping and the shape of mounting groove 16 is complementary, and crimping is turned round 9 and can be slided in mounting groove 16.Be equipped with lock pin in the locating slot 17 and push away 8, lock pin pushes away 8 lower end and is provided with fixed orifice 23; Lock pin pushes away 8 when being embedded in the locating slot 17, and lock pin pushes away the fixed orifice 23 and lock pin cavity 5 concentrics of 8 lower ends, and lock pin pushes away 8 upper end and the shape of locating slot 17 is complementary.
Lock pin cavity 5 is provided with equally distributed slot segmentation 15 corresponding to the other end with location protective sleeve 2, and described slot segmentation 15 is three, makes lock pin cavity 5 form three valve structures corresponding to the end that slot segmentation 15 is set.Lock pin cavity 5 is provided with tail cover 10 corresponding to being provided with slot segmentation 15 ends, and described tail cover 10 is fastenedly connected with lock pin cavity 5.Be provided with connecting through hole 14 in the tail cover 10, connecting through hole 14 is connected the passage that the formation tail optical fiber is connected with first lock pin 6 with passage in lock pin cavity 4 and the plug core tail handle 7.In the tail cover 10 is pyramidal structure, and when tail cover 10 was installed on the lock pin cavity 5, tail cover 10 can make three valve structures of lock pin cavity 5 ends shrink, and makes the end of lock pin cavity 5 can clamp tail optical fiber.
Plug core tail handle 7 stretches in the lock pin cavity 5 corresponding to the other end that first lock pin 6 is set, and plug core tail handle 7 is passed lock pin respectively and pushed away the fixed orifice 23 of 8 lower ends and the pilot hole 24 that 9 lower ends are turned round in crimping.When plug core tail handle 7 was passed lock pin and pushed away 8 fixed orifice 23, plug core tail handle 7 was utilized adhesive glue and lock pin to push away 8 to fixedly connected; Push away 8 upper end by promoting lock pin, can adjust the position that plug core tail handle 7 is positioned at lock pin cavity 5.Crimping is turned round 9 and is enclosed within on the plug core tail handle 7, turns round 9 positions that are positioned on the plug core tail handle 7 by adjusting crimping, crimping turns round 9 can adjust the opening degree of plug core tail handle 7 end slots 13, thereby has adjusted the degree that plug core tail handle 7 clamps the tail optical fiber that continues, and is easy to operate.
As Fig. 1～shown in Figure 5: 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 14 of tail cover 10.The described tail optical fiber that penetrates behind the connecting through hole 14, pass the passage of lock pin cavity 5 again after, penetrate in the plug core tail handle 7, and continue with first lock pin 6 of plug core tail handle 7 ends.Promote plug core tail handle 7, first lock pin 6 is slided in connecting pipe 11; Along with first slip of lock pin 6 in connecting pipe 11, the gas of first lock pin 6 and second lock pin, 18 ends is discharged from vent port 12; When first lock pin 6 closely contacts with the end of second lock pin 18, the optical fiber matching fluid that the end that first lock pin 6 and second lock pin are 18 is stored in the connecting pipe 11 is surrounded, guarantee that first lock pin 6 and second lock pin 18 are in the vacuum contact condition, the loss value in the time of can reducing first lock pin 6 and second lock pin 18 and continue.After first lock pin 6 and second lock pin 18 continue and finish, lock pin is pushed away 8 to be turned round 9 with crimping and is placed on respectively in locating slot 17 and the mounting groove 16, the pilot hole 24 and lock pin cavity 5 equal concentrics of 9 lower ends turned round in fixed orifice 23, the crimping of lock pin body 8 lower ends, after plug core tail handle 7 is inserted in mounting hole 23 and the pilot hole 24, guarantee that plug core tail handle 7 and lock pin cavity 5 also are that concentric is installed.After fixed orifice 23 is passed in the end of plug core tail handle 7,, make plug core tail handle 7 and lock pin push away 8 and fixedly connected by the adhesive glue on plug core tail handle 7 and fixed orifice 23 in advance.Promote lock pin and push away 8, thereby can adjust the position of plug core tail handle 7.Plug core tail handle 7 has different diameters corresponding to slot 13 1 ends are set, and turns round 9 in the position of plug core tail handle 7 by adjusting crimping, can adjust plug core tail handle 7 corresponding to the openings of sizes that slot 13 is set, and realizes the different clamped conditions of 7 pairs of tail optical fibers of plug core tail handle.By be embedded with optical fiber 25 in second lock pin 18, an end of described optical fiber 25 penetrates in second lock pin 18; Optical fiber 25 stretches out second lock pin 18 corresponding to the end that penetrates second lock pin 18, and the end face of the other end and second lock pin 18 at grade.After first lock pin 6 and second lock pin 18 continue and finish,, be convenient to being connected of second lock pin 18 and other equipment rooms by pre-buried optical fiber 25 in second lock pin 18.
Lock pin cavity 5 is provided with tail cover 10 corresponding to the end that slot segmentation 15 is set, and tail cover 10 is fastenedly connected by screw thread and lock pin cavity 5.In the tail cover 10 is pyramidal structure, is fastenedly connected with lock pin cavity 5 by tail cover 10, makes three valve structures of lock pin cavity 5 compress contraction, reaches the purpose that lock pin cavity 5 clamps the tail optical fiber that continues again.Connecting pipe 11 is provided with spring 4, guarantees the elasticity when connecting pipe 11 is connected with lock pin cavity 5.Described connecting pipe 11 is provided with location protective sleeve 2 corresponding to the end that second lock pin 18 is set; location protective sleeve 2 is fastenedly connected with lock pin cavity 5; make plug core tail handle 5, first lock pin 6, connecting pipe 11 and second lock pin 18 be positioned at the cavity of relative closure, can reduce the volatilization of connecting pipe 11 inner fiber matching fluids.Also be provided with location shell 1 on the described location protective sleeve 2, location shell 1 and location protective sleeve 2 corresponding matching can make things convenient for installing and locating shell 1.
The utility model is by being provided with optical fiber matching fluid and vent port 12 in connecting pipe 11, when first lock pin 6 and second lock pin 18 continue, gas in the connecting pipe 11 can be discharged by vent port 12, when first lock pin 6 and second lock pin 18 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.
Claims (9)
1. the quick cold connector of optical fiber comprises lock pin cavity (5), the location protective sleeve (2) that an end setting of described lock pin cavity (5) is fastenedly connected; It is characterized in that: be provided with plug core tail handle (7) in the described lock pin cavity (5); One end of described plug core tail handle (7) is provided with fixedly connected first lock pin (6), and the other end is provided with slot (13), and described slot (13) is connected with first lock pin (6); Plug core tail handle (7) penetrates in the lock pin cavity (5) corresponding to the other end that first lock pin (6) is set, and is fastenedly connected with lock pin cavity (5); First lock pin (6) stretches in the connecting pipe (11) corresponding to the other end that is embedded in lock pin cavity (5), and first lock pin (6) can slide in connecting pipe (11); Connecting pipe (11) is provided with second lock pin (18) corresponding to the other end that first lock pin (6) is set; One end of second lock pin (18) stretches in the connecting pipe (11), and fixedlys connected with connecting pipe (11); End corresponding to second lock pin (18) in the described connecting pipe (11) is provided with optical fiber matching fluid, and described optical fiber matching fluid is surrounded the end of second lock pin (18), and connecting pipe (11) is provided with vent port (12) 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 (11) convexes with locating piece (3) corresponding to the end that is provided with second lock pin (18); Connecting pipe (11) is provided with spring (4) corresponding to the other end that locating piece (3) is set.
4. the quick cold connector of optical fiber according to claim 1 is characterized in that: be provided with optical fiber (25) in described second lock pin (18), described optical fiber (25) is fixedlyed connected with second lock pin (18); One end of optical fiber (25) penetrates in second lock pin (18), and stretches out second lock pin (18); The end face of the other end of optical fiber (25) and second lock pin (18) is same plane.
5. the quick cold connector of optical fiber according to claim 1 is characterized in that: described lock pin cavity (5) is provided with mounting groove (16), and described mounting groove (16) is connected with lock pin cavity (5); Be equipped with crimping in the mounting groove (16) and turn round (9), the lower end that (9) are turned round in described crimping is provided with pilot hole (24), described pilot hole (24) and lock pin cavity (5) concentric; Crimping is turned round (9) and can be slided in mounting groove (16), and crimping is turned round (9) and is complementary corresponding to the shape with contacted end of mounting groove (16) and mounting groove (16).
6. the quick cold connector of optical fiber according to claim 1 is characterized in that: described lock pin cavity (5) is provided with locating slot (17), and described locating slot (17) is connected with lock pin cavity (5); Be equipped with lock pin in the locating slot (17) and push away (8), the lower end that described lock pin pushes away (8) is provided with fixed orifice (23), described fixed orifice (23) and lock pin cavity (5) concentric; Lock pin pushes away (8) and is complementary corresponding to the shape with contacted end of locating slot (17) and locating slot (17).
7. the quick cold connector of optical fiber according to claim 1 is characterized in that: described lock pin cavity (5) is provided with tail cover (10) corresponding to the other end that location protective sleeve (2) is set, and described tail cover (10) is fastenedly connected with lock pin cavity (5); The end of tail cover (10) is provided with connecting through hole (14).
8. the quick cold connector of optical fiber according to claim 1 is characterized in that: described location protective sleeve (2) is provided with location shell (1), and described location shell (1) can slide by relative positioning protective sleeve (2); Described location shell (1) is provided with first stopper slot (19), and the shape of described first stopper slot (19) is complementary with first limited block (22) of location protective sleeve (2).
9. optical fiber quick connector according to claim 8 is characterized in that: also be provided with second stopper slot (20) on the described location shell (1), described second stopper slot (19) is connected with first stopper slot (19); Described second stopper slot (20) and second limited block (21) corresponding matching of locating on the protective sleeve (2); The shape of second stopper slot (19) and second limited block (21) match.
10. the quick cold connector of optical fiber according to claim 1 is characterized in that: described lock pin cavity (5) is provided with equally distributed slot segmentation (15) corresponding to the other end that location protective sleeve (2) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020143560XU CN201637879U (en) | 2010-03-17 | 2010-03-17 | Optical fiber rapid cooling connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020143560XU CN201637879U (en) | 2010-03-17 | 2010-03-17 | Optical fiber rapid cooling connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637879U true CN201637879U (en) | 2010-11-17 |
Family
ID=43082383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020143560XU Expired - Fee Related CN201637879U (en) | 2010-03-17 | 2010-03-17 | Optical fiber rapid cooling connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201637879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072937A (en) * | 2016-11-14 | 2018-05-25 | 住友电气工业株式会社 | Optical conenctor |
| CN110196470A (en) * | 2019-04-29 | 2019-09-03 | 宁波天韵通信设备有限公司 | Fiber stub porcelain bushing |
-
2010
- 2010-03-17 CN CN201020143560XU patent/CN201637879U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072937A (en) * | 2016-11-14 | 2018-05-25 | 住友电气工业株式会社 | Optical conenctor |
| CN110196470A (en) * | 2019-04-29 | 2019-09-03 | 宁波天韵通信设备有限公司 | Fiber stub porcelain bushing |
| CN110196470B (en) * | 2019-04-29 | 2021-04-16 | 宁波天韵通信设备有限公司 | Optical fiber core insert ceramic sleeve |
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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 |