CN101726804B - Automatic opening-closing dust cap optical fiber connector - Google Patents
Automatic opening-closing dust cap optical fiber connector Download PDFInfo
- Publication number
- CN101726804B CN101726804B CN200910211763XA CN200910211763A CN101726804B CN 101726804 B CN101726804 B CN 101726804B CN 200910211763X A CN200910211763X A CN 200910211763XA CN 200910211763 A CN200910211763 A CN 200910211763A CN 101726804 B CN101726804 B CN 101726804B
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- lock pin
- dust cap
- connector
- cover
- locking device
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Abstract
The invention relates to a connector, in particularly to an automatic opening-closing dust cap optical fiber connector. According to the technical scheme of the invention, the automatic opening-closing dust cap optical fiber connector comprises a connector internal sleeve, wherein a locating piece is convexly arranged in the connector internal sleeve; both ends of the connector internal sleeve are respectively provided with an insert core cavity; each insert core cavity is provided with a locating locking device; the locating locking device slides corresponding to the insert core cavity; a connecting spring is arranged between the locating locking device and the pressing part of the insert core cavity; the front end of each locating locking device is provided with a dust cap, and the dust caps are hinged with each other; the rear end of each locating locking device is provided with a locating locking block; the connector internal sleeve is provided with a locating hole in which a locating block is allowed to be embedded; the end part of the pressing part is provided with a pressing connecting rod; a fastened insert core tail bushing is arranged in an insert core connecting pipe on the lower part of the each insert core cavity; and the end part of the insert core tail bushing is provided with a ceramic insert core. The invention has the advantages of convenient operation and high safety and reliability.
Description
Technical field
The present invention relates to a kind of connector, especially a kind of automatic opening-closing dust cap optical fiber connector.
Background technology
The joints of optical fibre are devices that optical fiber cable termination is connected with switch, are the passages of transmitting optical signal, the cleaning of fiber end face and smooth be the important prerequisite that can signal unimpeded transmission, if that just is difficult to finish the coupling of optical fiber to end face by dust or oil pollution.Dust cap in the joints of optical fibre is very important, and it can protect fiber end face not to be subjected to dust, greasy dirt, and the interference of harmful laser of causing because of network failure.
What ordinary optic fibre wire jumper in the market adopted is the design of plug-in dust cap, inserts when using and pulls up dust cap earlier, is with dust cap in the time of need not pulling up connector again.The drawback of this product is that operation is loaded down with trivial details and protective value is poor.Will pull up dust cap earlier and expose insertion core end face and just can connect, the time spent also will be with dust cap to connector.Because the very little length of dust cap is no more than 10 millimeters, diameter and is no more than 4 millimeters, be not easy to preserve very much, in case dust cap is lost or in time do not cover dust cap, contaminated or that wire jumper that weares and teares of insertion core end face has just lost the value that reuses.And the improper wearing and tearing that also can cause end face of gesture during the plug dust cap.
The optical patchcord device that has the automatic dustproof cap in the market costs an arm and a leg, it adopts monoblock type lock pin structure, when the angle of milled ceramic plug end face does not reach the detection index, can't grind once more, lock pin and loose mail are scrapped with regard to integral body, cause the waste of material, and the some glue inconvenient operation of the joints of optical fibre of monoblock type lock pin.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of automatic opening-closing dust cap optical fiber connector is provided, it is easy to operate, and is safe and reliable.
According to technical scheme provided by the invention, a kind of automatic opening-closing dust cap optical fiber connector comprises cover in the connector; The top of cover inwall convexes with locating piece in the described connector, the two ends of cover are equipped with the lock pin cavity in the connector, described lock pin cavity is provided with the location locking device, the top of location locking device and the shape of locating piece match, described location locking device is relative with the lock pin cavity to slide, be provided with between the press section on location locking device and the lock pin cavity and be connected spring, the front end of described location locking device is provided with the dust cap that is hinged, the rear end of location locking device is provided with locked of location, put in the described connector and be provided with the pilot hole that allows locating piece to embed, the end of described press section is provided with pushes connecting rod, describedly push the top that connecting rod is positioned at pilot hole, be provided with the lock pin tail sleeve pipe that is fastenedly connected in the lock pin connecting pipe of described lock pin cavity bottom, the end of described lock pin tail sleeve pipe is equipped with ceramic insertion core by fastening spring, and the end of the interior ceramic insertion core of cover closely contacts in the described connector; The size of described dust cap and lock pin connecting pipe is complementary; During described connection spring reset, dust cap is positioned at the end of lock pin connecting pipe, closely contacts with the lock pin connecting pipe; When described connection spring extruding was shunk, dust cap was positioned at the upside of lock pin connecting pipe.
Put in the described connector and be provided with the connector overcoat, the inwall of described connector overcoat is provided with the fixed installation groove, puts in the described connector to be provided with interior cover mounting blocks, and described interior cover mounting blocks is embedded in the fixed installation groove; The overcoat web joint of described connector overcoat is provided with the overcoat connecting hole.
The locating piece of cover is provided with orthogonal baffle plate in the described connector, the bottom of cover is provided with sleeve mounting groove and sleeve mounting hole in the described connector, the lower end of described baffle plate is provided with sleeve, described sleeve is embedded in the sleeve mounting groove corresponding to an end that is provided with the sleeve locating piece, and closely contacts with baffle plate.
The outside of the dust cap support of described dust cap is provided with jointed shaft, and the inboard is provided with the dust cap sliding shoe.Described lock pin connecting pipe is provided with the slip locating piece, and the bottom of described slip locating piece is provided with sliding tray, and top is provided with locating slot.
The side plate inboard of described location locking device is provided with the side plate sliding axle, and described side plate front end is provided with web joint, and described web joint is provided with the spring coupling shaft; The end of described side plate is provided with hinge hole, and the rear end of described side plate is provided with fixed head.
One end of described lock pin tail sleeve pipe is provided with the lock pin mounting groove.Insert dustproof inserting in the described connector in the cover, described dustproof end of inserting is provided with inserting handle, described dustproof insert with inserting handle be fishtail.
Described dustproof plugging is provided with interior cover protection tube, and described interior cover protection tube and lock pin installation cavity are complementary.
Advantage of the present invention: adopt the two-part lock pin, easy to operate, improved work efficiency; By cooperatively interacting of locating piece and pilot hole, the location locking device is slided on the slip locating piece, the motion that drives dust cap is opened automatically with closed, can effectively protect the ceramic insertion core that is positioned at the connector cover, protects effective.Use dustproof inserting, make to be enclosed within the connector when not using, avoid the pollution of dust and greasy dirt, good looking appearance.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a nested structure synoptic diagram in the connector of the present invention.
Fig. 3 is the upward view of Fig. 2.
Fig. 4 is the side view of Fig. 2.
Fig. 5 is the structural representation of connector overcoat of the present invention.
Fig. 6 is the A-A cut-open view of Fig. 5.
Fig. 7 is a tube-in-tube structure synoptic diagram of the present invention.
Fig. 8 is the structural representation of lock pin tail sleeve pipe of the present invention.
Fig. 9 is the structural representation of lock pin cavity of the present invention.
Figure 10 is the B-B cut-open view of Fig. 9.
Figure 11 is the structural representation of location of the present invention locking device.
Figure 12 is the right view of Figure 11.
Figure 13 is the upward view of Figure 11.
Figure 14 is the A-A cut-open view of Figure 12.
Figure 15 is a dust cap structural representation of the present invention.
Figure 16 is a dustproof inserting structure synoptic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As Fig. 1～shown in Figure 16: the present invention includes connector overcoat 1; cover 2 in the connector; dust cap 3; location locking device 4; connect spring 5; lock pin cavity 6; lock pin tail sleeve pipe 7; ceramic insertion core 8; ferrule passageway 9; sleeve 10; overcoat connecting hole 11; fastening spring 12; pilot hole 13; locating piece 14; sleeve mounting hole 15; groove 16; interior cover mounting blocks 17; lock pin installation cavity 18; baffle plate 19; fixed installation groove 20; press section 21; sliding tray 22; slip locating piece 23; locating slot 24; lock pin connecting pipe 25; hinge hole 26; locate locked 27; side plate sliding axle 28; web joint 29; spring coupling shaft 30; jointed shaft 31; sleeve mounting groove 32; side plate 33; sleeve locating piece 34; dust cap support 35; lock pin mounting groove 36; overcoat web joint 37; push connecting rod 38; dust cap sliding shoe 39; inserting handle 40; dustproof slotting 41; interior cover protection tube 42 and fixed head 43.
As Fig. 1 and shown in Figure 8: be provided with cover 2 in the connector in the connector overcoat 1, the two ends of cover 2 are equipped with lock pin cavity 6 in the connector, described lock pin cavity 6 is provided with location locking device 4, location locking device 4 lock pin cavity 6 relatively slides, lock pin cavity 6 is provided with press section 21, the end of press section 21 is provided with pushes connecting rod 38, and described press section 21 is a fishtail.Described location locking device 4 is provided with 21 of press sections and is connected spring 5, and the front end of location locking device 4 is provided with the dust cap 3 that is hinged, and described dust cap 3 is complementary with the size of the lock pin connecting pipe 25 of lock pin cavity 6 bottoms.When described connection spring 5 was in reset mode, dust cap 3 was positioned at the front end of lock pin connecting pipe 25, and closely contacted with lock pin connecting pipe 25.Locating piece 14 in the front end of described location locking device 4 and the connector in the cover 2 matches, and described location locking device 4 is provided with locked 27 of location, and cover 2 is provided with the pilot hole 13 that allows the locked embedding in location in the connector.Be provided with lock pin tail sleeve pipe 7 in the described lock pin connecting pipe 25, described lock pin tail sleeve pipe 7 and lock pin connecting pipe 25 are connected by screw threads for fastening.The end of described lock pin tail sleeve pipe 7 is provided with lock pin mounting groove 36, and described lock pin tail sleeve pipe 7 is equipped with ceramic insertion core 8 corresponding to an end that is provided with lock pin mounting groove 36 by fastening spring 12, and the two ends ceramic insertion core 8 in the described connector in the cover 2 closely contacts.
As Fig. 2～shown in Figure 7: as described in the connector locating piece 14 of cover 2 be provided with orthogonal baffle plate 19, described baffle plate 19 is formed for lock pin cavity 6 with the interior cover of connector 2 bottoms and inserts lock pin installation cavitys 18, described baffle plate 19 lower ends are provided with sleeve 10, one end of sleeve 10 is provided with sleeve locating piece 34, described sleeve locating piece 34 embeds in the sleeve mounting groove 32 of cover 2 in the connector, and sleeve locating piece 34 closely contacts with the lower end of baffle plate 19.Sleeve 10 in the described connector in the cover 2 is 2, and described two sleeves 10 closely contact corresponding to an end that is provided with sleeve locating piece 34, and two sleeves 10 form the passage 9 that ceramic insertion core 8 connects.Cover mounting blocks 17 in cover 2 is provided with in the described connector, the inwall of connector overcoat 1 has fixed installation groove 20, cover mounting blocks 17 embeds in the fixed installation grooves 20 in described, is used for being connected of cover 2 and connector overcoat 1 in the connector, overlaps 2 two ends in the described connector and has groove 16.
As Fig. 1, Fig. 9 and shown in Figure 10: as described in lock pin cavity 6 comprise lock pin connecting pipe 25, slip locating piece 23 and press section 21.Described slip locating piece 23 is provided with sliding tray 22 corresponding to the junction with lock pin connecting pipe 25, and the upper surface of slip locating piece 23 is provided with locating slot 24.Described press section 21 is a fishtail, the end of described press section 21 is provided with pushes connecting rod 38, presses down press section 21, and locked 27 of location in pushing connecting rod 38 and embedding pilot hole 13 contacted, under the downward pressure effect of pushing connecting rod 38, locked 27 of location and pilot hole 13 are separated.
As Figure 11, Figure 12, Figure 13 and shown in Figure 14: as described in location locking device 4 comprise side plate 33, the interior survey of described biside plate 33 is equipped with side plate sliding axle 28, described side plate sliding axle 28 is embedded in the sliding tray 22 of slip locating piece 23, and side plate 33 is by side plate sliding axle 28 and sliding tray 22 and the 23 relative slips of slip locating piece.The front end of described side plate 33 is provided with hinge hole 26.The shape of the locating piece 14 of cover 2 matches in the front end of described location locking device 4 and the connector.The front end of location locking device 4 is provided with web joint 29, described web joint 29 is positioned at the downside of location locking device 4, web joint 29 is provided with spring coupling shaft 30, described spring coupling shaft 30 is provided with and connects spring 5, described spring coupling shaft 30 be connected spring 5 and all be positioned at locating slot 24, the other end of described connection spring 5 links to each other with the lower end of press section 21.The rear end of described side plate 33 is provided with fixed head 43, is used to strengthen the strength of joint of 33 of biside plates.
As Fig. 1 and shown in Figure 15: as described in dust cap 3 be provided with dust cap support 35, the outside of described dust cap support 35 is provided with jointed shaft 31, the inboard is provided with dust cap sliding shoe 39.Described jointed shaft 31 is embedded in the hinge hole 26, be used for being hinged of 4 of dust cap 3 and location locking devices, described dust cap sliding shoe 39 is embedded in the sliding tray 22, dust cap 3 can slide with respect to lock pin cavity 6, when dust cap 3 slides at location locking device 4 relative lock pin cavitys 6, can be reposefully and the end separating of lock pin connecting pipe 25, the ceramic insertion cores 8 in the lock pin connecting pipe 25 are better docked.
As shown in figure 16: described dustproof slotting 41 end is provided with inserting handle 40, and dustproof slotting 41 are provided with interior cover protection tube 42, and described interior cover protection tube 42 and lock pin installation cavity 18 are complementary.When in connector, not carrying out ceramic insertion core 8 connections in the cover 2; insert in the cover 2 to prevent dust in the connector and insert 41; protection lock pin installation cavity 18 is not subjected to the pollution of greasy dirt and dust; prevent the scratch that lock pin installation cavity 18 caused because of misoperation; influence the connection of ceramic insertion core 8; described dustproof insert 41 with the fishtail of inserting handle for launching, the cavity of cover 2 in the bigger protection connector.
During use, utilize fastening spring 12 will have the optical fiber of ceramic insertion core 8, be installed in the lock pin mounting groove 36 of lock pin tail sleeve pipe 7 in the end of lock pin tail sleeve pipe 7.Lock pin tail sleeve pipe 7 penetrates in the lock pin connecting pipe 25 corresponding to the end that ceramic insertion core 8 is installed, and lock pin tail sleeve pipe 7 utilizes the screw thread of end and lock pin connecting pipe 25 to be fastenedly connected.Described location locking device 4 is positioned on the lock pin cavity 6, and side plate sliding axle 28 all is positioned at sliding tray 22 with dust cap sliding shoe 39, makes lock pin cavity 6 slips relatively reposefully of location locking device 4.The front end of location locking device 4 utilizes hinge hole 26 and dust cap jointed shaft 31 to be hinged.When dust cap 3 is not subjected to acting force at connection spring 5, closely contact with the end of lock pin connecting pipe 25, protection is positioned at the ceramic insertion core 8 of lock pin connecting pipe 25.Utilize the mounting hole 15 of cover 2 bottoms in the connector, the bottom installing sleeve 10 of cover 2 in baffle plate 19 and connector.The sleeve locating piece 34 of two sleeves 10 contacts, and an end of sleeve locating piece 34 is positioned at the mounting groove 32 of bottom, and the other end closely contacts with the bottom of baffle plate 19.10 in two sleeves be connected to ceramic insertion core 8 interconnective passages 9, the end of described ceramic insertion core 8 is positioned at passage 9 and closely contact.The two ends that described lock pin cavity 6 inserts cover 2 in the connector, the top of location locking device 4 and the shape of locating piece 14 match, insertion along with lock pin cavity 6, locating piece 14 is by matching with locking device 4 tops, location, location locking device 4 relative lock pin cavitys 6 are slided backward, the slip of location locking device 4 relative lock pin cavitys 6, drive dust cap 3 separates with lock pin connecting pipe 25 ends, and the ceramic insertion core 8 that is positioned at lock pin connecting pipe 25 reveals.Sliding backward of location locking device 4 is squeezed connection spring 5.Along with the continuation of lock pin cavity 6 is inserted in the connector in the cover 2, the locked locating piece 27 of locking device 4 rear ends, location embeds in the connectors in the pilot hole 13 on the cover 2, overlaps 2 be connected in locked lock pin cavity 6 and the connector.
When locked locating piece 27 embedded pilot hole 13, the dust cap sliding shoe 31 of described dust cap 3 drove dust cap 3 smooth sliding, and whole dust cap 3 is opened at last fully, is positioned at the top of lock pin connecting pipe 25.Described lock pin connecting pipe 25 closely contacts with baffle plate 19 corresponding to the end that is positioned at connector cover 2, and baffle plate 19 is for providing dust cap 3 and separating of lock pin connecting pipe 25 space.Described sleeve 10 is positioned at lock pin connecting pipe 25 corresponding to an end that is provided with sleeve locating piece 34, with lock pin connecting pipe 25 clearance fit.Push the top that connecting rod is positioned at pilot hole 13 on the press section 21, press section 21 is a fishtail, and good looking appearance is generous, and described press section 21 is a spring members, can press down press section 21, makes to push connecting rod 38 and contact with locked locating piece 27.
When in needs are untied lock pin cavity 6 and connector, overlapping 2,,, locked locating piece 27 is separated with pilot hole 13 by pushing connecting rod 38 by pressing down the end of press section 21.After cover 2 separates in lock pin cavity 6 and connector; connect spring 5 and enter relaxed state; connect spring 5 drive location locking devices 4 and dust cap 3 and travel forward, dust cap 3 is closely contacted, the ceramic insertion core 8 in the protection lock pin connecting pipe 25 with the end of lock pin connecting pipe 25.By connector overcoat 1 is set, the mounting hole 15 of protection bottom is avoided the pollution of greasy dirt and dust, and described connector overcoat 1 is provided with overcoat web joint 37 and overcoat connecting hole 11, and convenient whole connector is fixedlyed connected with other equipment.When cover 2 does not use in the connector, insert in 41 the lock pin installation cavitys 18 corresponding to cover 2 in one section insertion connector of cover protection tube 43 in being provided with dustproof, dustproof to insert 41 be fishtail, and area is big, and foreign material such as blocks dust enter in the connector and overlap in 2 preferably.
Claims (10)
1. automatic opening-closing dust cap optical fiber connector, it is characterized in that: comprise cover (2) in the connector, the top of cover (2) inwall convexes with locating piece (14) in the described connector, the two ends of cover (2) are equipped with lock pin cavity (6) in the connector, described lock pin cavity (6) is provided with location locking device (4), the top of location locking device (4) and the shape of locating piece (14) match, the relative slip of described location locking device (4) with lock pin cavity (6), be provided with and be connected spring (5) between the press section (21) on location locking device (4) and the lock pin cavity (6), the front end of described location locking device (4) is provided with the dust cap (3) that is hinged with it, the rear end of location locking device (4) is provided with locked locating piece (27), cover (2) is provided with the pilot hole (13) that allows locked locating piece (27) to embed in the described connector, the end of described press section (21) is provided with pushes connecting rod (38), describedly push the top that connecting rod (38) is positioned at pilot hole (13), be provided with the lock pin tail sleeve pipe (7) that is fastenedly connected in the lock pin connecting pipe (25) of described lock pin cavity (6) bottom, the end of described lock pin tail sleeve pipe (7) is equipped with ceramic insertion core (8) by fastening spring (12), and the end of cover (2) interior ceramic insertion core (8) closely contacts in the described connector; Described dust cap (3) is complementary with the size of lock pin connecting pipe (25); Described connection spring (5) is when resetting, and dust cap (3) is positioned at the end of lock pin connecting pipe (25), closely contacts with lock pin connecting pipe (25); When described connection spring (5) extruding was shunk, dust cap (3) was positioned at the upside of lock pin connecting pipe (25).
2. automatic opening-closing dust cap optical fiber connector according to claim 1, it is characterized in that: cover (2) is provided with connector overcoat (1) in the described connector, the inwall of described connector overcoat (1) is provided with fixed installation groove (20), cover mounting blocks (17) in cover (2) is provided with in the described connector, described interior cover mounting blocks (17) is embedded in the fixed installation groove (20); The overcoat web joint (37) of described connector overcoat (1) is provided with overcoat connecting hole (11).
3. automatic opening-closing dust cap optical fiber connector according to claim 1, it is characterized in that: the locating piece (14) of cover (2) is provided with baffle plate orthogonal with it (19) in the described connector, the bottom of cover (2) is provided with sleeve mounting groove (32) and sleeve mounting hole (15) in the described connector, the lower end of described baffle plate (19) is provided with sleeve (10), described sleeve (10) is embedded in the sleeve mounting groove (32) corresponding to an end that is provided with sleeve locating piece (34), and closely contacts with baffle plate (19).
4. automatic opening-closing dust cap optical fiber connector according to claim 1 is characterized in that: the outside of the dust cap support (35) of described dust cap (3) is provided with jointed shaft (31), and the inboard is provided with dust cap sliding shoe (39).
5. automatic opening-closing dust cap optical fiber connector according to claim 1, it is characterized in that: described lock pin connecting pipe (25) is provided with slip locating piece (23), the bottom of described slip locating piece (23) is provided with sliding tray (22), and top is provided with locating slot (24).
6. automatic opening-closing dust cap optical fiber connector according to claim 1, it is characterized in that: side plate (33) inboard of described location locking device (4) is provided with side plate sliding axle (28), described side plate (33) front end is provided with web joint (29), and described web joint (29) is provided with spring coupling shaft (30); The end of described side plate (33) is provided with hinge hole (26), and the rear end of described side plate (33) is provided with fixed head (43).
7. automatic opening-closing dust cap optical fiber connector according to claim 1 is characterized in that: an end of described lock pin tail sleeve pipe (7) is provided with lock pin mounting groove (36).
8. automatic opening-closing dust cap optical fiber connector according to claim 1, it is characterized in that: insert dustproof insert (41) in the described connector in the cover (2), described dustproof end of inserting (41) is provided with inserting handle (40), and described dustproof insert (41) are fishtail with inserting handle (40).
9. automatic opening-closing dust cap optical fiber connector according to claim 8 is characterized in that: described dustproof insert (41) are provided with interior cover protection tube (42), and described interior cover protection tube (42) is complementary with lock pin installation cavity (18).
10. automatic opening-closing dust cap optical fiber connector according to claim 1 is characterized in that: described press section (21) are fishtail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910211763XA CN101726804B (en) | 2009-11-03 | 2009-11-03 | Automatic opening-closing dust cap optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910211763XA CN101726804B (en) | 2009-11-03 | 2009-11-03 | Automatic opening-closing dust cap optical fiber connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101726804A CN101726804A (en) | 2010-06-09 |
| CN101726804B true CN101726804B (en) | 2011-08-03 |
Family
ID=42447934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910211763XA Expired - Fee Related CN101726804B (en) | 2009-11-03 | 2009-11-03 | Automatic opening-closing dust cap optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101726804B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3376271B1 (en) * | 2015-12-17 | 2021-09-01 | Huawei Technologies Co., Ltd. | Optical fibre adapter |
| CN115144972B (en) * | 2022-07-18 | 2023-06-20 | 烽火通信科技股份有限公司 | Waterproof and dustproof connector, adapter and connector assembly |
| CN117055172B (en) * | 2023-09-20 | 2024-06-25 | 湖南恒凯通信息科技有限公司 | Automatic centering optical fiber connector |
-
2009
- 2009-11-03 CN CN200910211763XA patent/CN101726804B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101726804A (en) | 2010-06-09 |
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