CN102364363B

CN102364363B - Optical fiber clamping device for optical fiber cold connector

Info

Publication number: CN102364363B
Application number: CN 201110339149
Authority: CN
Inventors: 李志宏; 关梦琳; 周阳; 张绪
Original assignee: NANJING PUTIAN TELEGE INTELLIGENT BUILDING Ltd
Current assignee: NANJING PUTIAN TELEGE INTELLIGENT BUILDING Ltd
Priority date: 2011-11-01
Filing date: 2011-11-01
Publication date: 2013-09-25
Anticipated expiration: 2031-11-01
Also published as: CN102364363A

Abstract

The invention relates to an optical fiber clamping device for an optical fiber cold connector. The optical fiber clamping device is characterized by comprising three positioning pins A, B and C which are tightly pressed against one another to form an optical fiber through hole, wherein a pressing plate arranged in a base clamping groove and a V-shaped positioning piece form a positioning cavity; the three positioning pins A, B and C are arranged in the positioning cavity; the positioning pin A and the positioning pin B in the three positioning pins A, B and C are clamped in four elastic arms in the V-shaped positioning piece; a steel ball arranged in a base positioning hole is pressed against the positioning pin C in the three positioning pins A, B and C; a reed with a buckle is used for clamping the pressing plate and a base from one side, and a pick of the reed with the buckle is used for compressing the steel ball tightly to be tightly pressed against the third positioning pin C; and a reed with a hole is used for clamping the pressing plate and the base from the other side, so that a penetrated optical fiber is fixed in the optical fiber through hole. The optical fiber clamping device has the advantages that: the optical fiber cold connector with an optical fiber butt joint device breaks through the conventional structure and has the characteristics of simple structure, reliable performance, long service life, capability of being used repeatedly, low cost and the like.

Description

The optic fibre clamp that is used for cold splice for optical fibers

Technical field

What the present invention relates to is a kind of optic fibre clamp for cold splice for optical fibers, belongs to the optical fiber splicing device technical field.

Background technology

At present, be used for the mode fixed fiber that the cold joint connector product of fiber alignment mainly adopts V-type groove and briquetting to compress, thereby the action of hold down gag is to reduce with the slit pressed fiber of V-type groove and realize two fiber alignments by pressing down briquetting, in this kind mode, the processing of V-type groove belongs to inside dimension, and size is minimum, machining precision is difficult to control, detection difficulty is big, cause the butt joint index to descend easily, and cost is higher, needs when wearing fibre V-type groove and briquetting are separated, compress briquetting again, complex operation after wearing fine the end.

Summary of the invention

What the present invention proposed is a kind of optic fibre clamp for cold splice for optical fibers, its purpose is intended to overcome the above-mentioned defective of existing in prior technology, adopt three pilot pins to be close to the space grip optical fiber of formation mutually, adopt three pins of part clamping such as V-type keeper, broken through traditional structure, simple and reliable for structure, long service life, reusable, cost is low.

Technical solution of the present invention: it is characterized in that comprising A, B, three pilot pins of C, described A, B, three pilot pins of C are mutually near forming the optical fiber through hole; Be positioned over pressing plate and V-type keeper formation positioning chamber in the pedestal draw-in groove, A, B, three pilot pins of C are placed in this positioning chamber, and A pilot pin, the B pilot pin in A, B, three pilot pins of C is clamped in four elastic arms in the V-type keeper; Be positioned over steel ball in the pedestal pilot hole and withstand C pilot pin in A, B, three pilot pins of C; The bracelet reed clamps pressing plate and pedestal from a side of pressing plate and pedestal, and the plectrum of bracelet reed compresses steel ball simultaneously, and reed with holes clamps pressing plate and pedestal from the opposite side of pressing plate and pedestal, and the optical fiber that penetrates is fixed in the optical fiber through hole.

The present invention compared with prior art has following advantage: 1) the present invention breaks through the structure of the fixing butt joint of traditional V-type groove optical fiber, adopt three pilot pins to be close to the space grip optical fiber of formation mutually, simple in structure, easy to process, precision is easy to control and detects, and manufacturing cost reduces greatly.2) the present invention is in wearing fine process, and there are adaptive process in three pilot pins and optical fiber, need not manually to split structure, namely recover tightening state after fibre to be worn puts in place, and is simple to operate, the merging precision height.3) the formed optical fiber through hole of three pilot pins of the present invention is except the space of receiving optical fiber, also has three subtriangular spaces, and the optical fiber matching fluid that is extruded in the time of can be for fiber alignment provides the deposit space.4) pilot pin of the present invention adopts the non-corrosive material manufacturing, and reliable in structure is not subject to factor affecting connecting qualities such as temperature variation, material aging, long service life.

Description of drawings

Fig. 1 is the clamp device cut-open view.

Fig. 2 is the pedestal synoptic diagram.

Fig. 3 is V-type keeper synoptic diagram.

Fig. 4 is the pilot pin structural representation.

Fig. 5 is the pressing plate synoptic diagram.

Fig. 6 is the steel ball partial schematic diagram.

Fig. 7-a is bracelet reed synoptic diagram.

Fig. 7-b is reed synoptic diagram with holes.

Among the figure 1 is pedestal, the 2nd, and V-type keeper, the 3rd, pilot pin, the 4th, pressing plate, the 5th, steel ball, the 6th, bracelet reed, the 7th, reed with holes; 1-1 is caulking groove, and 1-2 is pilot hole, and 1-3 is draw-in groove, and 1-7 is the stuck point hole; 2-1 is positioning chamber, and 2-2 is elastic arm; 3-1 is the optical fiber through hole, and 3-2 is spigot surface; 4-1 is lever arm, and 4-2 is stuck point; 6-1 is plectrum.

Embodiment

Contrast accompanying drawing 1-2, the structure of cold splice for optical fibers comprises pedestal 1, pedestal 1 is provided with the described clamp device of clamp device that is clamped in the pilot pin after two fiber end faces are fitted and comprises: V-type keeper 2, A, B, three pilot pins 3 of C, pressing plate 4, steel ball 5, bracelet reed 6 and reed with holes 7; Wherein V-type keeper 2 is embedded among the caulking groove 1-1 of pedestal 1; A, B, three pilot pins 3 of C are mutually near forming optical fiber through hole 3-1; Pressing plate 4 is positioned among the draw-in groove 1-3 of pedestal 1, pressing plate 4 forms positioning chamber 2-1 with V-type keeper 2, this positioning chamber 2-1 places A, B, three pilot pins 3 of C, and four elastic arm 2-2 of V-type keeper 2 clamp two pilot pins 3 of A, B in A, B, three pilot pins 3 of C; Steel ball 5 is positioned among the pilot hole 1-2 of pedestal 1, and steel ball 5 withstands the C root pilot pin 3 in A, B, three pilot pins 3 of C; Bracelet reed 6 clamps a side of pressing plate 4 and pedestal 1, and the plectrum 6-1 of bracelet reed 6 compresses steel ball 5 simultaneously, thereby holds out against the C pilot pin 3 in A, B, three pilot pins 3 of C; Reed 7 with holes clamps another side of pressing plate 4 and pedestal 1, and the optical fiber that penetrates is fixed among the optical fiber through hole 3-1.

Contrast accompanying drawing 3, positioning chamber 2-1 is formed by V-type keeper 2 and pressing plate in the V-type keeper 2, and positioning chamber 2-1 places A, B, three pilot pins of C, and four elastic arm 2-2 of V-type keeper 2 clamp two pilot pins of A, B in A, B, three pilot pins of C.

Near forming optical fiber through hole 3-1, A, B, three pilot pin 3 two ends of C are provided with spigot surface 3-2 mutually for contrast accompanying drawing 4, A, B, three pilot pins 3 of C.

Contrast accompanying drawing 5, pressing plate 4 is provided with lever arm 4-1, and stuck point 4-2 is arranged on the lever arm 4-1, and the stuck point hole on the pedestal and the stuck point 4-2 on the pressing plate 4 match, thereby pressing plate 4 is stuck in the pedestal; The elastic arm both sides that the lever arm 4-1 of pressing plate is pressed into the V-type keeper are tightening up elastic arm, thus the stationary positioned pin.

Contrast accompanying drawing 6, steel ball 5 is positioned in the pilot hole of pedestal, and steel ball withstands the C pilot pin in A, B, three pilot pins of C.

Contrast accompanying drawing 7-a, 7-b, bracelet reed 6 clamps pressing plate and pedestal from a side of pressing plate and pedestal, the plectrum 6-1 of bracelet reed 6 compresses steel ball simultaneously, and reed 7 with holes clamps pressing plate and pedestal from the opposite side of pressing plate and pedestal, and the optical fiber that penetrates is fixed in the optical fiber through hole.

Claims

1. a cold splice for optical fibers is characterized in that comprising pedestal, and pedestal is provided with the clamp device that is clamped at after two fiber end faces are fitted in the pilot pin; Described clamp device comprises: V-type keeper, A, B, three pilot pins of C, pressing plate, steel ball, bracelet reed and reed with holes; Wherein the V-type keeper is embedded in the caulking groove of pedestal; A, B, three pilot pins of C are mutually near forming the optical fiber through hole; Pressing plate is positioned in the draw-in groove of pedestal, and pressing plate and V-type keeper form positioning chamber, and this positioning chamber is placed A, B, three pilot pins of C, and four elastic arms of V-type keeper clamp two pilot pins of A, B in A, B, three pilot pins of C; Steel ball is positioned in the pilot hole of pedestal, and steel ball withstands the C root pilot pin in A, B, three pilot pins of C; The bracelet Spring clip presses a side of plate and pedestal, and the plectrum of bracelet reed compresses steel ball simultaneously, thereby holds out against the C pilot pin in A, B, three pilot pins of C; Spring clip with holes presses another side of plate and pedestal, and the optical fiber that penetrates is fixed in the optical fiber through hole; Positioning chamber is formed by V-type keeper and pressing plate in the described V-type keeper, and positioning chamber is placed A, B, three pilot pins of C, and four elastic arms of V-type keeper clamp two pilot pins of A, B in A, B, three pilot pins of C; Near forming the optical fiber through hole, A, B, three pilot pin two ends of C are provided with spigot surface mutually for described A, B, three pilot pins of C; Described pressing plate is provided with lever arm, and stuck point is arranged on the lever arm, and the stuck point hole on the pedestal and the stuck point on the pressing plate match, thus with pressure board in pedestal; The elastic arm both sides that the lever arm of pressing plate is pressed into the V-type keeper are tightening up elastic arm, thus the stationary positioned pin; Described steel ball is positioned in the pilot hole of pedestal, and steel ball withstands the C pilot pin in A, B, three pilot pins of C; Described bracelet reed clamps pressing plate and pedestal from a side of pressing plate and pedestal, and the plectrum of bracelet reed compresses steel ball simultaneously, and reed with holes clamps pressing plate and pedestal from the opposite side of pressing plate and pedestal, and the optical fiber that penetrates is fixed in the optical fiber through hole.