CN202815271U - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN202815271U CN202815271U CN 201220331145 CN201220331145U CN202815271U CN 202815271 U CN202815271 U CN 202815271U CN 201220331145 CN201220331145 CN 201220331145 CN 201220331145 U CN201220331145 U CN 201220331145U CN 202815271 U CN202815271 U CN 202815271U
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- Prior art keywords
- shell
- joints
- optical fibre
- jack
- ring
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- Expired - Fee Related
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Abstract
The utility model relates to an optical fiber connector, comprising a connecting base and a connector, wherein the connecting base comprises a flange disc, the front end of the flange disc is provided with a jack, the middle portion of the flange disc is provided with a plurality of axial holes, each axial hole contains an insertion core assembly, the connector comprises a housing, a connection sleeve wrapping the housing and a tail sleeve connected with the tail portion of the housing, and the connection sleeve can move axially along the housing. The optical fiber connector is characterized in that the flange disc is also provided with axially-distributed pins, the front ends of the pins are exposed to the jack, the head portion of the housing is detachably connected with a socket, the front end of the socket is provided with a cylindrical plug matched with and inserted into the jack, and the cylindrical plug is provided with blind holes allowing the front ends of the pins to insert thereinto. When the connector is mutually matched and connected with the connecting base, the pins are matched with the blind holes, thereby playing an excellent positioning guide effect, being helpful for precisely butting the two optical fiber end faces after connection, and further ensuring the optical transmission system reliability.
Description
Technical field
The utility model relates to a kind of connector, specifically refers to a kind of joints of optical fibre.
Background technology
The joints of optical fibre are to be used for connecting between optical cable and the optoelectronic components and between the optoelectronic components between the optical cable in Fiber Optical Communication System.It is that two fiber end faces that need to connect are critically docked, and goes so that the luminous energy of launching fiber output can be coupled to receive in the optical fiber to greatest extent.
When the joints of optical fibre are applied to when outdoor, it is necessary for optical fiber and connects and provide sealing property higher internal environment.At present, the joints of optical fibre of waterproof include connector and Connection Block, wherein the ring flange of Connection Block is fixedly mounted on the appts wall, be provided with ceramic contact pin in the ring flange, the other end that connects the inside cable of ceramic contact pin is fixedly connected with the standard actions plug, and the termination of standard actions plug is connected on the interior optic module of equipment; Be provided with the ceramic contact pin that connects outdoor optical cable in the housing of connector.
Although the joints of optical fibre work of said structure is good, but in installation process is found, be connected with connector when Connection Block and insert when connecting, if there is not in advance each other certain positioning and guiding, the precision docking of two fiber end faces will be affected, and then reliability and the properties of optical transmission system can be affected.
The utility model content
Technical problem to be solved in the utility model is the present situation for prior art, and a kind of joints of optical fibre that connector and Connection Block reliably are located by connecting are provided.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of joints of optical fibre, comprise Connection Block and connector, wherein Connection Block includes ring flange, front end at described ring flange has jack, the middle part of this ring flange has a plurality of axial holes, accommodates ferrule assembly in each axial hole; Described connector then includes shell, be enclosed within the adapter sleeve on the shell and be connected to the tail cover of shell afterbody, described adapter sleeve can move axially along shell, the end face of tail cover has the through hole that passes for outdoor optical cable, it is characterized in that: the contact pin that also is provided with axial distribution on the described ring flange, the head end of this contact pin is exposed in the described jack, the head dismounting of described shell is connected with jack base, the front end of this jack base has the cannon plug that matches and peg graft with described jack, and has the blind hole of inserting for described contact pin head end in this cannon plug.
Preferably, the rear port of described each axial hole is spacing in described axial hole with described ferrule assembly with pad, and the tail end of described contact pin is inserted in the pilot hole of pad.At this moment, replace the wherein gib screw of a pad with contact pin, therefore when the assembling pad, just gone less the installation of a screw, and can utilize contact pin, avoided the fixing imbalance problem that brings of single screw.
In above-mentioned preferred version, the afterbody dismounting of described ring flange is connected with a housing, the end face of this housing has the hole with the cock body close-fitting, have a plurality of apertures that pass for inside cable on the described cock body, tightly be inserted with the sleeve pipe of hard-pressed bale outside inside cable in each aperture, by the seal chamber of this housing, cock body and sleeve pipe formation Connection Block inside, such structure has the simple characteristics of assembling, and also has tension, the anti-advantage that pushes away.
In above-mentioned preferred version, the tail end of described contact pin is inserted in the spacing hole of cock body after by the pilot hole on the pad, utilize this contact pin to play positioning action to cock body, can effectively avoid cock body when assembling, to occur rotating and causing optic fibre turning, guarantee optical effect.
Preferably, described ring flange afterbody also be provided be pressed on the described inside cable and with the pressure welding case that described cock body inner face offsets, can further improve tensile property.
In above-mentioned each scheme, the inwall of described shell has an interior omoplate, the afterbody of this shell accommodate with this in the centring ring that offsets of omoplate and be enclosed within the outer compression lining of centring ring, the afterbody of described compression lining has successively along circumferential a plurality of elastic arms spaced apart, has outer chamfering on each elastic arm, and described tail cover is threaded mutually with the afterbody of shell, and have the interior inclined-plane that matches with chamfering on each elastic arm on this tail cover inwall, the head of described centring ring has and the flange that compresses liner head and offset simultaneously.During use, when the tail external threading is connected on the shell, compress the outer chamfering of each elastic arm on the lining by the extruding of interior inclined-plane, compress lining one axial force and radial force thereby give, radial force is closed up each elastic arm, upwards oppress the outer peripheral face of centring ring in week, make at leisure banding outdoor optical cable and finish radial seal of centring ring, simultaneously, axial force is supported on the interior omoplate of shell centring ring and is finished axial seal, thereby the utility model good seal performance not only, can be useful in high humidity, high salt etc. comparatively use under the rugged environment, and make things convenient for the front and back of outdoor optical cable to regulate, also has simultaneously fixedly outdoor optical cable position, cause the advantage of fracture or the distortion of internal optical fiber welding when preventing external force push-and-pull outdoor optical cable, fastness after guarantee connecting, reliability, and have the characteristics of long service life.
Preferably, the free ending tool of described each elastic arm has the lug boss of inside extension and makes each elastic arm form ratchet, then has the ring groove that inserts for each lug boss on the outer peripheral face of described centring ring, in order to play better banding effect.
In above-mentioned each scheme, have bulge loop on the outer peripheral face of described jack base, have the locating slot that embeds for O-ring seal at the outer peripheral face of the jack base of these bulge loop both sides.Utilize the O-ring seal in each locating slot so that between jack base and the shell, jack base be connected after fiber bench between have better sealing function.
The tail end of described jack base is threaded mutually with case head, and described case head end face and described bulge loop offset.Easy to assembly, and good seal performance.
Be preferably, have a step on the head outer peripheral face of described shell, described adapter sleeve inwall has interior flange collar, and flange collar is spacing between described bulge loop and step in this, so that adapter sleeve is spacing on shell reliably.
Compared with prior art, owing to set up contact pin in the Connection Block of the present utility model, and in connector, set up the blind hole that matches with contact pin, therefore, when the mutual inserting of connector and Connection Block is connected, by means of cooperating of contact pin and blind hole, can play good positioning and guiding effect, the precision of two fiber end faces after being conducive to peg graft is docked, and then can guarantee the reliability of optical transmission system.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 be among Fig. 1 A-A to cut-open view;
Fig. 3 be among Fig. 2 B-B to cut-open view;
Fig. 4 is the three-dimensional exploded view of Connection Block among Fig. 1;
Fig. 5 is the three-dimensional exploded view of connector among Fig. 1.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Extremely shown in Figure 5 such as Fig. 1, these joints of optical fibre comprise Connection Block 10 and connector 20, wherein Connection Block comprises ring flange 11, housing 12, cock body 13 and ferrule assembly 14, wherein the front end of ring flange 11 has the jack 111 that inserts for connector 20, the periphery of front end have with connector 20 in the external thread that is threaded mutually of following adapter sleeve 22, the middle part of this ring flange 11 has two axial holes 112, accommodate described ferrule assembly 14 in each axial hole, usually, this ferrule assembly 14 adopts ceramic material; The rear port of each axial hole is spacing in axial hole 112 with the ceramic insertion core assembly with pad 15, screw 16 of pad 15 usefulness is fixed on the ring flange 11, on ring flange, also be inserted with simultaneously the contact pin 17 of axial distribution, the tail end of this contact pin 17 is inserted in the pilot hole 151 of pad 15, the head end of this contact pin 17 is exposed in the jack 111, in order to socket connection 20 o'clock, the jack base 24 in the connector 20 is played good positioning action.
The afterbody dismounting of above-mentioned ring flange 11 is connected with described housing 12, in the present embodiment, be threaded between housing 12 and the ring flange 11, have the hole 121 with cock body 13 close-fittings on the end face of this housing, have two apertures 131 on the cock body 13, be equipped with inside cable a in each aperture, in each aperture, tightly be inserted with the thermoplastic sleeve pipe 18 of hard-pressed bale outside inside cable simultaneously.
Cause optic fibre turning in order to prevent above-mentioned cock body from when assembling, rotating, affect optical effect, in the present embodiment, also be provided with spacing hole 132 on the cock body 13, the tail end of above-mentioned contact pin 17 is inserted in this spacing hole 132 after by the pilot hole 151 on the pad, namely utilize this contact pin to play positioning action to cock body 13, can effectively avoid cock body rotation when assembling, to occur.
In order to prevent that cock body 13 is drawn out in housing 12 under the effect of external force, on the side face of above-mentioned cock body 13, also has the flange 133 that offsets with housing.Simultaneously also be provided with the pressure welding case 19 that is pressed on the inside cable and offsets with the cock body inner face at ring flange 11 afterbodys, after this pressure welding case is pressed into polygon, be stuck in the aperture place, even if having under the pullling of external force, also inside cable a can not pulled out from Connection Block and have preferably tension function, simultaneously because above-mentioned thermoplastic sleeve pipe 18 close-fittings at aperture, push away function so that present embodiment also has to resist.
In addition, have the ring groove 113 that embeds for O-ring seal at the installed surface of above-mentioned ring flange 11, so that this Connection Block forms the airtight circle of a circle when being installed in the mounting hole place of equipment box, to finish in the case isolation with the case external environment.
Above-mentioned connector 20 includes shell 21, is enclosed within the adapter sleeve 22 on the shell, the tail cover 23 that is connected to the shell afterbody and jack base 24, centring ring 25 and compresses lining 26, its housing 21 is tubular body, its inwall has an interior omoplate 211, head has internal thread, have a step 212 on the outer peripheral face, the afterbody of this shell also has external thread.
Above-mentioned centring ring 25 is placed on the afterbody of shell 21, centring ring 25 heads have with above-mentioned shell in the flange 251 that offsets of interior omoplate 211, have ring groove 252 on the afterbody outer peripheral face.
Above-mentioned compression lining 26 is positioned at the afterbody of shell 21, and be enclosed within outside the above-mentioned centring ring 25, the head of this compression lining 26 and the flange of above-mentioned centring ring 251 offset, the afterbody of this compression lining 26 has successively along circumferential a plurality of elastic arms 261 spaced apart, has outer chamfering on each elastic arm, in order to have better banding effect, in the present embodiment, the free ending tool of each elastic arm has the lug boss 262 of inside extension and makes each elastic arm form ratchet, when each elastic arm is closing up under the state, each lug boss can insert in the ring groove 252 of above-mentioned centring ring, makes each ratchet compress the side face of centring ring.
Above-mentioned tail cover 23 is designed to cylinder-shaped, it is threaded mutually with the afterbody external thread of above-mentioned shell 21, and above-mentioned centring ring 25, compression lining 26 are enclosed in the shell 21, end face at this tail cover 23 has the through hole 231 that passes for outdoor optical cable 27, and has the interior inclined-plane 232 that matches with outer chamfering on each elastic arm on this tail cover inwall.Like this, when rotation tail cover 23, when making it be threaded on the shell 21, compress the outer chamfering of each elastic arm 261 on the lining by 232 extruding of interior inclined-plane, compress lining one axial force and radial force thereby give, radial force is closed up each elastic arm 261, at the outer peripheral face of upwards oppressing centring ring week, makes at leisure banding outdoor optical cable and finish radial seal of centring ring; Axial force then makes centring ring 25 support on the interior omoplate 11 of shell and finishes axial seal.
Above-mentioned jack base 24 is threaded on the head internal thread of shell 21, the front end of this jack base has the cannon plug that matches and peg graft with jack 111 on the ring flange 11, and has the blind hole 244 of inserting for above-mentioned contact pin 17 head ends in this cannon plug; Have two axially extending bores 241 at this jack base 24, accommodate sleeve 28 in each through hole and be arranged in the ceramic contact pin assembly 29 of sleeve, and with pad 210 that ceramic contact pin assembly etc. is spacing in through hole.Simultaneously, in order to play better sealing function, have bulge loop 242 at the outer peripheral face of jack base 24, have the locating slot 243 that embeds for O-ring seal b at the outer peripheral face of the jack base of these bulge loop both sides.When the head of jack base is threaded with shell 21 heads mutually with the tail end of Connection Block 10 grafting, jack base, the blue dish of light in case head end face, the Connection Block 11 end faces offset with this bulge loop 242 respectively, and utilize O-ring seal in two locating slots 243, play good sealing function.
Above-mentioned adapter sleeve 22 is used for connector is connected with Connection Block, the head of this adapter sleeve 22 has internal thread, can with Connection Block in ring flange 11 be threaded mutually, this adapter sleeve inwall has interior flange collar 221, should between the spacing bulge loop 242 and the step 212 of shell at above-mentioned jack base of flange collar 221, so that adapter sleeve neither can break away from connector, can move axially a segment distance along shell again simultaneously, the realization connector is connected with Connection Block.
Claims (10)
1. joints of optical fibre, comprise Connection Block (10) and connector (20), wherein Connection Block (10) includes ring flange (11), front end at described ring flange has jack (111), the middle part of this ring flange has a plurality of axial holes (112), accommodates ferrule assembly (14) in each axial hole; Described connector (20) then includes shell (21), be enclosed within the adapter sleeve (22) on the shell and be connected to the tail cover (23) of shell afterbody, described adapter sleeve (22) can move axially along shell (21), the end face of tail cover (23) has the through hole (231) that passes for outdoor optical cable, it is characterized in that: the contact pin (17) that also is provided with axial distribution on the described ring flange (11), the head end of this contact pin is exposed in the described jack (111), the head dismounting of described shell (21) is connected with jack base (24), the front end of this jack base has the cannon plug that matches and peg graft with described jack (111), and has the blind hole (244) of inserting for described contact pin (17) head end in this cannon plug.
2. the joints of optical fibre according to claim 1, it is characterized in that: the rear port of described each axial hole (112) is spacing in described axial hole with described ferrule assembly (14) with pad (15), and the tail end of described contact pin (17) is inserted in the pilot hole (151) of pad (15).
3. the joints of optical fibre according to claim 1, it is characterized in that: the afterbody dismounting of described ring flange (11) is connected with a housing (12), the end face of this housing has the hole (121) with cock body (13) close-fitting, have a plurality of apertures (131) that pass for inside cable on the described cock body (13), tightly be inserted with the sleeve pipe (18) of hard-pressed bale outside inside cable in each aperture.
4. the joints of optical fibre according to claim 3 is characterized in that: the tail end of described contact pin (17) is inserted in the spacing hole (132) of cock body (13) after by the pilot hole (151) on the pad (15).
5. the joints of optical fibre according to claim 3 is characterized in that: described ring flange (11) afterbody also is provided with the pressure welding case (19) that is pressed on the described inside cable and offsets with described cock body (13) inner face.
6. according to claim 1 to the described joints of optical fibre of 5 arbitrary claims, it is characterized in that: the inwall of described shell (21) has an interior omoplate (211), the afterbody of this shell accommodate with this in the centring ring (25) that offsets of omoplate and be enclosed within the outer compression lining (26) of centring ring, the afterbody of described compression lining (26) has successively along circumferential a plurality of elastic arms (261) spaced apart, each elastic arm has outer chamfering on (261), and described tail cover (23) is threaded mutually with the afterbody of shell (21), and have the interior inclined-plane (232) that matches with chamfering on each elastic arm (261) on this tail cover (23) inwall, the head of described centring ring (25) has and the flange (251) that compresses liner head and offset simultaneously.
7. the joints of optical fibre according to claim 6, it is characterized in that: the free ending tool of described each elastic arm (261) has the lug boss (262) of inside extension and makes each elastic arm form ratchet, then has the ring groove (252) that inserts for each lug boss on the outer peripheral face of described centring ring (25).
8. according to claim 1 to the described joints of optical fibre of 5 arbitrary claims, it is characterized in that: have bulge loop (242) on the outer peripheral face of described jack base (24), have the locating slot (243) that embeds for O-ring seal (b) at the outer peripheral face of the jack base (24) of this bulge loop (242) both sides.
9. the joints of optical fibre according to claim 7, it is characterized in that: the tail end of described jack base (24) is threaded mutually with case head, and described shell (21) head end and described bulge loop (242) offset.
10. the joints of optical fibre according to claim 7, it is characterized in that: have a step (212) on the head outer peripheral face of described shell (21), described adapter sleeve (22) inwall has interior flange collar (221), and flange collar (221) is spacing between described bulge loop (242) and step (212) in this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331145 CN202815271U (en) | 2012-07-10 | 2012-07-10 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331145 CN202815271U (en) | 2012-07-10 | 2012-07-10 | Optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202815271U true CN202815271U (en) | 2013-03-20 |
Family
ID=47874127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220331145 Expired - Fee Related CN202815271U (en) | 2012-07-10 | 2012-07-10 | Optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202815271U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379876A (en) * | 2017-08-18 | 2017-11-24 | 广东省博物馆 | A kind of mill for repairing residual waste paper matter calligraphy and painting rubs side mouth instrument with the hands |
| CN107884879A (en) * | 2017-11-10 | 2018-04-06 | 中航光电科技股份有限公司 | A kind of short formula protective cover of the joints of optical fibre |
| CN110007408A (en) * | 2019-05-06 | 2019-07-12 | 中国电子科技集团公司第三十四研究所 | A kind of moisture seal type connector based on high power single mode guarantor/mono- special optical fiber partially |
-
2012
- 2012-07-10 CN CN 201220331145 patent/CN202815271U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379876A (en) * | 2017-08-18 | 2017-11-24 | 广东省博物馆 | A kind of mill for repairing residual waste paper matter calligraphy and painting rubs side mouth instrument with the hands |
| CN107884879A (en) * | 2017-11-10 | 2018-04-06 | 中航光电科技股份有限公司 | A kind of short formula protective cover of the joints of optical fibre |
| CN107884879B (en) * | 2017-11-10 | 2019-05-21 | 中航光电科技股份有限公司 | A kind of short formula protective cover of optical fiber connector |
| CN110007408A (en) * | 2019-05-06 | 2019-07-12 | 中国电子科技集团公司第三十四研究所 | A kind of moisture seal type connector based on high power single mode guarantor/mono- special optical fiber partially |
| CN110007408B (en) * | 2019-05-06 | 2023-10-03 | 中国电子科技集团公司第三十四研究所 | Dampproofing sealed connector based on high-power single mode protection/single offset special optic fibre |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: NINGBO JUNPER COMPANY Effective date: 20131226 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131226 Address after: 315041 Zhejiang city of Ningbo province high tech Zone Branch Road No. 58 Patentee after: Junper (Ningbo) Corporation Address before: Branch Road Ningbo city science and Technology Park in Zhejiang province 315041 No. 58 Patentee before: Junper (Ningbo) Corporation Patentee before: Ningbo Junper Company |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315041 Zhejiang high tech Zone in Ningbo City, the 189 Lane Road, No. 2 Yunsheng science and Technology Industrial Park Building No. 9 A7-3-1 Patentee after: Ningbo lucky Technology Co., Ltd. Address before: 315041 Zhejiang city of Ningbo province high tech Zone Branch Road No. 58 Patentee before: Junper (Ningbo) Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20170710 |