CN100451706C - Environment-resistance optical fiber connector - Google Patents
Environment-resistance optical fiber connector Download PDFInfo
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- CN100451706C CN100451706C CNB2006100405821A CN200610040582A CN100451706C CN 100451706 C CN100451706 C CN 100451706C CN B2006100405821 A CNB2006100405821 A CN B2006100405821A CN 200610040582 A CN200610040582 A CN 200610040582A CN 100451706 C CN100451706 C CN 100451706C
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- optical fiber
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- line tube
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Abstract
The present invention relates to an environment resistance optical fiber connector. A free end connector and a fixed end connector, or a free end and the free end connector of the present invention adopt a neutral double-bayonet type fast connection and separation structure; when the optical fiber connector is inserted, an optical fiber joint assembly on a positioning hole of the free end connector is inserted with a butt joint hole of the abutted free end connecter or the abutted fixed end connecter, a positioning pin and an abutted guide hole are inserted together, a locking pin and an abutted locking hole are clamped together, and a main casing body made of metallic material and a multiple positioning locking device are used. The optical fiber connector has the properties of vibration resistance, impact resistance, tensile resistance, water resistance, high temperature resistance and corrosion resistance; in addition, the optical fiber connector has the characteristics of accurate positioning, small succession attenuation, high echo coefficient, firm dynamic locking, stable optical fiber transmission, etc.; a flange and a sealing ring which are arranged on the fixed end connector are convenient for sealing and fixing installation. The present invention has the connection form of a free end and another free end and has strong connection randomness and convenient and rapid maintenance. Thereby, the present invention is more suitable for a long distance field communication network.
Description
Technical field
The present invention relates to a kind of connector, specifically relate to a kind of joints of optical fibre that are used for aerospace system and military equipment system adverse environment resistant.
Background technology
At present, the joints of optical fibre in commercialization and the military affairs/aerospace applications comprise free connector and stiff end connector, and its free end adopts with the connected mode of stiff end with free end, free end and is threaded, and connects loaded down with trivial details, connection is slow with velocity of separation, does not have locking safety apparatus; And lock sleeve adopts plastic, owing to have inevitable distortion inaccuracy in the plastic parts moulding technology, makes optical fiber plastic connector locking place easily get loose, do not possess waterproof, anti-salt fog performance, tensile strength is low, and butt joint is skew easily, cause the insertion loss big, return loss is low, the data transmission instability.
Summary of the invention
In order to overcome the shortcoming that prior art exists, the purpose of this invention is to provide a kind ofly solve adverse environment resistant in military affairs, the aerospace applications, the decay that continues is little, dynamically lock the joints of optical fibre firm, that transmission is more stable.
The technical solution adopted in the present invention: a kind of environment-resistance optical fiber connector mainly comprises free connector, stiff end connector, described free connector comprises that lock sleeve interface inner chamber is equipped with plug body, the connection of plug body afterbody places the length of lock sleeve inner chamber to protect the line tube, long protecting is with copper washer, a stage clip on the line tube, spring piece together tight cap and end to end cover piece together tight cap and be tightened in the long line tube afterbody that protects successively, the tight cap tail end of cover assembly is with water-proof rubber sleeve end to end, and length is protected the line tube inner chamber and is provided with the optical cable fixation kit; The plug body face of plugging together is provided with fiber orientation hole, butt hole, register pin, register pin pilot hole and end-face seal ring, and the fibre-optical splice assembly is housed in the pilot hole, and the optical fiber ceramic joint is housed in the butt hole; Lock sleeve interface cylinder both sides respectively are provided with a locking pin, respectively are provided with a locking hole and a locking slot on the locking pin that stretch out both sides in addition;
Described stiff end connector comprises that lock sleeve interface inner chamber is equipped with plug body, the connection of plug body afterbody places the length of lock sleeve inner chamber to protect the line tube, long protecting is with copper washer, a stage clip on the line tube, spring piece together tight cap and end to end cover piece together tight cap and be tightened in the long line tube afterbody that protects successively, the tight cap tail end of cover assembly is with water-proof rubber sleeve end to end, and length is protected the line tube inner chamber and is provided with the optical cable fixation kit; The plug body face of plugging together is provided with fiber orientation hole, butt hole, register pin, register pin pilot hole and end-face seal ring, and the fibre-optical splice assembly is housed in the pilot hole, and the optical fiber ceramic joint is housed in the butt hole; Lock sleeve interface cylinder both sides respectively are provided with a locking pin, respectively are provided with a locking hole and a locking slot on the locking pin that stretch out both sides in addition; The lock sleeve cylinder is provided with mounting flange and flange seal circle, the weak point that lock sleeve inner chamber plug body afterbody connects protects and is provided with a bowl-type block-regulations in the line tube cylindrical shell and draws the optical cable locking body, and locking body is provided with many anti-rotation shrinkage pools and is mated condition with the short stopping screw that protects line tube tail end;
Fibre-optical splice assembly on the pilot hole of described free connector is the state of plugging together with butt hole on free connector that docks or the stiff end connector, register pin is the state of plugging together with the pilot hole that docks, and two locking pins are fastening state with locking hole on the locking pin that docks.
Above-mentioned optical cable fixation kit comprises that line ball body, retaining ring, assembly tightly overlap, and line ball scapus face is provided with many optical cable skeletons by retaining ring with piece together tight cover locking, pieces together tightly to put being provided with many anti-rotation shrinkage pools, is mated condition with the long stopping screw that protects line tube tail end.
Described plug body tail end protects line tube junction with length and is provided with two stopping screws, and the plug body cylinder is provided with O-ring seal and locating slot, and locating slot and the protruding key of lock sleeve inwall are the location mated condition.
Fibre-optical splice assembly in the described pilot hole comprises that the optical fiber ceramic joint is fixed in the locating sleeve, is with inner sheath and oversheath on the locating sleeve, and oversheath is tightened on the pilot hole.
Be with stage clip and compression spring sleeve on the described optical fiber ceramic joint tailstock, spacing by the cover plate that lock onto the plug body tail end.
Described spring is pieced together tight cap and is provided with 2-5 O-ring seal.
Described free connector or stiff end connector tail end can connect the wire spring that protects that is placed on the optical cable.
The lock sleeve of described free end and stiff end connector adopts aluminium alloy or aldary or stainless steel material.
The present invention adopts neutral dual-mouth formula to connect fast and isolating construction, and unique master metal case material structure and the multiple positioning and locking device of employing, make that connector possesses antivibration, anti-ly dashes, tension, waterproof, performance such as high temperature resistant, corrosion-resistant, and have accurate positioning, continue that decay is little, echo coefficient height, dynamically lock characteristics such as firm, that Optical Fiber Transmission is more reliable and stable.This connector has the type of attachment of free end and free end, free end and stiff end, particularly free end and free-ended type of attachment, and it is strong to connect randomness, and is easy to maintenance quick, is applicable to that longer distance field connects and transmission.
Description of drawings
Fig. 1 is a free connector structural representation of the present invention;
Fig. 2 is a stiff end connector construction synoptic diagram of the present invention;
Fig. 3 is free connector of the present invention and stiff end connector connection diagram;
Fig. 4 is free connector of the present invention and free connector connection diagram.
In the accompanying drawing, locking pin 1, locking hole 2, end-face seal ring 3, plug body 4, lock sleeve 5, O-ring seal 6, stopping screw 7, locating slot 8, the protruding key 9 of lock sleeve inwall, the long line tube 10, copper washer 11 of protecting, stage clip 12, O-ring seal 13, spring are pieced together tight cap 14, stopping screw 15, anti-rotation shrinkage pool 16, cover is pieced together tight cap 17, water-proof rubber sleeve 18, optical cable 19 end to end, piece together tight cover 20, retaining ring 21, line ball body 22, optical cable skeleton 23, optical fiber 24, trip bolt 25, cover plate 26, compression spring sleeve 27, stage clip 28, lock sleeve 29, positioning guide hole 30, butt hole 31, inner sheath 32, locking slot 33, optical fiber ceramic joint 34,35, locating sleeve 36, oversheath 37, register pin 38, fiber orientation hole 39, mounting flange 40, flange seal circle 41, the short line tube 42 that protects, anti-rotation shrinkage pool 43, stopping screw 44, block-regulations is drawn optical cable locking body 45.
Embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Free connector in shown in Figure 1 by lock sleeve 5, plug body 4, length is protected line tube 10, rail unit is formed, plug body 4 places lock sleeve 5 inner chambers, the plug body afterbody connects the long line tube 10 that protects, and by two stopping screws of plug body tail end, 7 location, prevents to be connected loosening with the long line tube that protects; The long stage clip 12 that is with on the line tube that protects can make plug body keep good dynamic connecting state under height vibration or shock environment, can guarantee the airtight cooperation of interface again; The plug body cylinder is with O-ring seal 6, makes its cylinder and lock sleeve 5 inner wall sealings, more waterproof; The locating slot 8 of plug body 4 cylinders cooperates with the protruding key 9 of lock sleeve inwall, and is spacing mutually, makes optical fiber not twist because of the plug body rotation and breaks, and guarantees rapid abutting joint; Being screwed in the long spring that protects line tube tail end pieces together many O-ring seals 13 of tight cap 14 cylinders and closely cooperates with lock sleeve 5 tail end inwalls, guarantee lock sleeve afterbody waterproof, the cover end to end that is with optical cable water-proof rubber sleeve 18 is in addition pieced together the interior length of tight cap 17 and lock sleeve and is protected being connected of line tube tail end, makes more waterproof, counter-bending of the optical cable 19 that passes wherein.The plug body face of plugging together is provided with register pin 38, pilot hole 30 and O-ring seal 3, when free end and free end or free end and stiff end connector plug together, plays mutual location, guiding, airtight effect mutually mutually; The plug body face that plugs together also is provided with pilot hole 39 and butt hole 31; optical fiber ceramic joint 34 is housed in the butt hole; the fibre-optical splice assembly is housed in the pilot hole; oversheath 37 on the optical fiber ceramic joint 35 wherein is tightened on the pilot hole 39; both protected ceramic joint; again can be accurately with the plug body end face that docks on butt hole dock mutually, the accurate contact of the optical fiber ceramic joint when having guaranteed to plug together in two holes, data signal transmission continues stable.The cover plate 26 that is fixed on plug body 4 tail ends by trip bolt 25 can more closely be pressed in two ceramic joints 34,35 in butt hole 31 and the pilot hole 39 by stage clip on the ceramic joint tailstock 28 and compression spring sleeve 27.Optical cable 19 passes gum cover 18, the tight cap 17 of cover assembly enters the tight cover of spring assembly 14 endoporus end to end, optical cable skeleton 23 is fixed on the long line ball body 22 that protects in the line tube 10, compress by retaining ring 21, the tight cover 20 of assembly, prevent that optical cable is broken by external force, optical fiber 24 passes the ceramic joint that connects respectively in pilot hole and the butt hole by line ball body 22 endoporus.
In shown in Figure 2, the flange 40 on the stiff end connector locking cover outer cylinder is installed with device panel, and its flange seal circle 41 can be sealed and matched with equipment, plays waterproof, antivibration effect; The plug body afterbody connects and shortly to protect line tube 42, and its inner chamber is provided with the bowl-type block-regulations and draws locking body 45, the block-regulations on the optical cable can be drawn to be fixed in short protecting in the line tube, makes optical fiber not influenced by external force and breaks.The stiff end connector is except that above-mentioned syndeton, and the structure at other each positions is identical with the free connector structure.
In shown in Figure 3, the lock sleeve 5 interface cylinder both sides of free connector and stiff end connector are equipped with locking pin 29, also are respectively equipped with locking slot 33 and locking hole 2 on the locking pin 1 that stretch out both sides in addition.When free connector and stiff end connector plugged together, locking pin 29 turned clockwise along the locking slot of butt joint and falls into locking hole, and can hear the clear and melodious locking sound, it is interconnected, firm locking.During separation, be rotated counterclockwise, skid off the locking hole and the locking slot of butt joint, can extract up to locking pin.The stiff end connector also can be furnished with demultplexer, can transmit the multichannel data signal.This connector tail end can also be furnished with the wire spring of protecting, and plays the function of anti-optical cable bending.This mode of plugging together is applicable to being connected of optical cable and equipment, can be widely used in fiber optic local area network and fiber-to-the-home etc.
Plugging together of free connector shown in Figure 4 and free connector is identical with separate mode and connected mode shown in Figure 3.This mode of plugging together is applicable to open-air connection of long distance between optical cable and the optical cable, can be widely used in optical fiber cable for field operation, communication network and Fiber To The Curb etc.
Claims (6)
1, a kind of environment-resistance optical fiber connector, mainly comprise free connector, stiff end connector, it is characterized in that: free connector comprises that lock sleeve (5) interface inner chamber is equipped with plug body (4), the connection of plug body afterbody places the length of lock sleeve inner chamber to protect line tube (10), long protecting is with copper washer (11), a stage clip (12) on the line tube, spring piece together tight cap (14) and end to end cover piece together tight cap (17) and be tightened in the long line tube afterbody that protects successively, the tight cap tail end of cover assembly is with water-proof rubber sleeve (18) end to end, and length is protected the line tube inner chamber and is provided with the optical cable fixation kit; The plug body face of plugging together is provided with fiber orientation hole (39), butt hole (31), register pin (38), register pin pilot hole (30) and end-face seal ring (3), and the fibre-optical splice assembly is housed in the pilot hole, and optical fiber ceramic joint (34) is housed in the butt hole; Lock sleeve interface cylinder both sides respectively are provided with a locking pin (29), respectively are provided with a locking hole (2) and a locking slot (33) on the locking pin (1) that stretch out both sides in addition;
Described stiff end connector comprises that lock sleeve interface inner chamber is equipped with plug body, the connection of plug body afterbody places the length of lock sleeve inner chamber to protect the line tube, long protecting is with copper washer, a stage clip on the line tube, spring piece together tight cap and end to end cover piece together tight cap and be tightened in the long line tube afterbody that protects successively, the tight cap tail end of cover assembly is with water-proof rubber sleeve end to end, and length is protected the line tube inner chamber and is provided with the optical cable fixation kit; The plug body face of plugging together is provided with fiber orientation hole, butt hole, register pin, register pin pilot hole and end-face seal ring, and the fibre-optical splice assembly is housed in the pilot hole, and the optical fiber ceramic joint is housed in the butt hole; Lock sleeve interface cylinder both sides respectively are provided with a locking pin, respectively are provided with a locking hole and a locking slot on the locking pin that stretch out both sides in addition; The lock sleeve cylinder is provided with mounting flange and flange seal circle, the weak point that lock sleeve inner chamber plug body afterbody connects protects and is provided with a bowl-type block-regulations in the line tube cylindrical shell and draws the optical cable locking body, and locking body is provided with many anti-rotation shrinkage pools and is mated condition with the short stopping screw that protects line tube tail end;
Fibre-optical splice assembly on the pilot hole of described free connector (39) is the state of plugging together with butt hole on free connector that docks or the stiff end connector, register pin (38) is the state of plugging together with the pilot hole that docks, and two locking pins (29) are fastening state with locking hole on the locking pin that docks;
Described optical cable fixation kit comprises line ball body (22), retaining ring (21), pieces together tight cover (20), line ball scapus face is provided with many optical cable skeletons (23) by retaining ring and the tight cover locking of assembly, piece together tightly to put being provided with many anti-rotation shrinkage pools (16), be mated condition with the long stopping screw (15) that protects line tube tail end;
Described plug body tail end protects line tube junction with length and is provided with two stopping screws (7), and the plug body cylinder is provided with O-ring seal (6) and locating slot (8), and locating slot and the protruding key of lock sleeve inwall (9) are the location mated condition.
2, a kind of environment-resistance optical fiber connector according to claim 1, it is characterized in that: the fibre-optical splice assembly in the described pilot hole comprises that optical fiber ceramic joint (35) is fixed in the locating sleeve (36), be with inner sheath (32) and oversheath (37) on the locating sleeve, oversheath is tightened on the pilot hole (39).
3, a kind of environment-resistance optical fiber connector according to claim 1 is characterized in that: be with stage clip (28) and compression spring sleeve (27) on described optical fiber ceramic joint (34) (35) tailstock, and spacing by the cover plate that lock onto the plug body tail end (26).
4, a kind of environment-resistance optical fiber connector according to claim 1 is characterized in that: described spring is pieced together tight cap (14) and is provided with 2-5 O-ring seal (13).
5, a kind of environment-resistance optical fiber connector according to claim 1 is characterized in that: described free connector or stiff end connector tail end connect the wire spring that protects that is placed on the optical cable.
6, a kind of environment-resistance optical fiber connector according to claim 1 is characterized in that: the lock sleeve of described free end and stiff end connector adopts aluminium alloy or aldary or stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100405821A CN100451706C (en) | 2006-05-26 | 2006-05-26 | Environment-resistance optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100405821A CN100451706C (en) | 2006-05-26 | 2006-05-26 | Environment-resistance optical fiber connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1851511A CN1851511A (en) | 2006-10-25 |
| CN100451706C true CN100451706C (en) | 2009-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100405821A Active CN100451706C (en) | 2006-05-26 | 2006-05-26 | Environment-resistance optical fiber connector |
Country Status (1)
| Country | Link |
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| CN (1) | CN100451706C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012547B (en) * | 2010-11-12 | 2012-01-04 | 泰兴市航联电连接器有限公司 | Optical cable connector for environment resistant neutral optical cable |
| CN103185924B (en) * | 2011-12-27 | 2015-01-21 | 鸿富锦精密工业（深圳）有限公司 | Waterproof optical fiber connector, optical fiber plug and optical fiber adapter of waterproof optical fiber connector |
| CN105347119B (en) * | 2015-11-25 | 2017-05-03 | 孙绍昕 | Device for automatically collecting, releasing, storing and distributing fibers |
| CN105425348A (en) * | 2015-12-23 | 2016-03-23 | 哈尔滨工业大学 | Optical fiber vacuum penetration connector |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58107508A (en) * | 1981-12-22 | 1983-06-27 | Seiko Instr & Electronics Ltd | Connector of multicored optical fiber |
| JPS62257112A (en) * | 1986-04-30 | 1987-11-09 | Boueichiyou | Optical fiber connector |
| JPH10288722A (en) * | 1997-04-14 | 1998-10-27 | Seiko Instr Inc | Coupling structure of optical connector |
| US6206580B1 (en) * | 1997-12-12 | 2001-03-27 | Yazaki Corporation | Optical connector |
| CN1380986A (en) * | 2000-05-12 | 2002-11-20 | 稻垣武雄 | Optical fiber connector |
| US6533468B2 (en) * | 1996-07-15 | 2003-03-18 | Seiko Instruments Inc. | Universal optical fiber connectors and basic plugs thereof |
| CN2578843Y (en) * | 2002-11-25 | 2003-10-08 | 中国电子科技集团公司第二十三研究所 | Cable connector |
| JP2004126371A (en) * | 2002-10-04 | 2004-04-22 | Seiko Instruments Inc | Optical connector plug and assembly for optical connector plug |
| CN1629668A (en) * | 2003-12-05 | 2005-06-22 | 精工电子有限公司 | Optical connector plug and optical connector |
-
2006
- 2006-05-26 CN CNB2006100405821A patent/CN100451706C/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58107508A (en) * | 1981-12-22 | 1983-06-27 | Seiko Instr & Electronics Ltd | Connector of multicored optical fiber |
| JPS62257112A (en) * | 1986-04-30 | 1987-11-09 | Boueichiyou | Optical fiber connector |
| US6533468B2 (en) * | 1996-07-15 | 2003-03-18 | Seiko Instruments Inc. | Universal optical fiber connectors and basic plugs thereof |
| JPH10288722A (en) * | 1997-04-14 | 1998-10-27 | Seiko Instr Inc | Coupling structure of optical connector |
| US6206580B1 (en) * | 1997-12-12 | 2001-03-27 | Yazaki Corporation | Optical connector |
| CN1380986A (en) * | 2000-05-12 | 2002-11-20 | 稻垣武雄 | Optical fiber connector |
| JP2004126371A (en) * | 2002-10-04 | 2004-04-22 | Seiko Instruments Inc | Optical connector plug and assembly for optical connector plug |
| CN2578843Y (en) * | 2002-11-25 | 2003-10-08 | 中国电子科技集团公司第二十三研究所 | Cable connector |
| CN1629668A (en) * | 2003-12-05 | 2005-06-22 | 精工电子有限公司 | Optical connector plug and optical connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1851511A (en) | 2006-10-25 |
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Owner name: TAIXING AEROSPACE ELECTRIC APPLIANCE COMPANY LIMIT Free format text: FORMER OWNER: TAIXING SPACE ELECTRICAL CONNECTOR FACTORY Effective date: 20100706 |
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Free format text: CORRECT: ADDRESS; FROM: 225441 DASHENGSANLIAN SECTION, TAICHANG ROAD, TAIXING CITY, JIANGSU PROVINCE TO: 225400 ZHOUQIAO GROUP, SANLIAN VILLAGE, BINJIANG TOWN, TAIXING CITY, JIANGSU PROVINCE |
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Effective date of registration: 20100706 Address after: 225400 Zhou Qiao group, Sanlian Village, Binjiang Town, Taixing, Jiangsu Patentee after: TAIXING SPACE APPLIANCE CO., LTD. Address before: 225441 Sanlian section, Tai Chang Road, Taixing, Jiangsu Patentee before: Taixing City Aerospace Electric Connector Plant |