CN2341782Y

CN2341782Y - Cutter for optical fibre

Info

Publication number: CN2341782Y
Application number: CN 98242556
Authority: CN
Inventors: 王春明; 毕振华
Original assignee: HUAERGUANG COMMUNICATION CO Ltd NANJING
Current assignee: HUAERGUANG COMMUNICATION CO Ltd NANJING
Priority date: 1998-11-03
Filing date: 1998-11-03
Publication date: 1999-10-06
Anticipated expiration: 2008-11-03

Abstract

The utility model relates to a cutter for optical fibers, which is composed of a base, an upper cover, a cutting component, and a clamping component, wherein, the top of the base is provided with a positioning plate of the optical fibers, and a press cover and a pair of lower press plates; the upper cover is movably connected with the top of the base; the internal side of the base is provided with an elastic press cap and a pair of upper press plates; the right side of the base is also provided with a straight groove; the cutting component comprises a support seat, a bracket, and a blade; the bracket which is provided with the blade can move back and forth on the support seat; the clamping component is composed of a connecting arm, a press arm, and a button; the button is arranged on the press arm end; the lower end of the button is connected with a press rod, and the press arm can be buckled in the straight groove of the press cover. The utility model has the advantages of simple structure, convenient operation, favorable cutting performance.

Description

Optical fiber cutter

The utility model relates to a kind of the coupling with the tools of fiber end face, specifically a kind of optical fiber cutter.

Optical cable owing to be subjected to the restriction of orographic condition, as crossing over a hill possibly, cross the river, cuting through road etc., often needs segmentation to lay in laid processes.And the length of optical fiber itself is also owing to made, transported and the restriction of condition such as construction, and its length is limited, is generally the 2-4 kilometer.Therefore, this is with regard to the coupling that has the optical fiber problem that continues.And the key that the optical fiber coupling continues at first is to process high-quality fiber end face.Desirable fiber end face should be that end face is smooth, smooth, and vertical with shaft axis of optic fibre.And it is domestic at present when the optical fiber cable laying operation, many with shearing, anvil block formula or electrodynamic type machining tool easily.Of low quality when the former processes end face, need repeated multiple times just can produce qualified end face sometimes, the latter is complex structure, fragile then, and costs an arm and a leg.

The purpose of this utility model just provides a kind of precision height, simple in structure, easy to operate, can produce the machining tool of desirable fiber end face.

The utility model is made of pedestal, loam cake, cutting assembly, four major parts that hold down assembly, the cavity that the pedestal right side has front and back to connect, cutting assembly promptly is positioned at it, the pedestal top is provided with optical fiber position-board, gland and lower platen, and optical fiber position-board is fixed on the cavity left side, which is provided with guide groove, gland is positioned at the optical fiber position-board top, flexibly connect with optical fiber position-board, lower platen is a pair of, and the cavity left and right sides respectively has one; Loam cake is connected with the pedestal top movable, and its inboard is provided with elasticity pressure cap and a pair of top board, and when loam cake and base seat lid lumped together, pressure cap suppressed gland, and top board then presses together correspondingly with lower platen, and the loam cake right side also has straight trough one; Cutting assembly comprises bearing, support and blade, and bearing is fixed on the pedestal, and blade is rack-mount, and support can move front and back on bearing; Holding down assembly is made of linking arm, pressure arm and button, and linking arm and pedestal, pressure arm and linking arm are flexible connection, and button is positioned at the pressure arm end, and its lower end is connected to a depression bar, and pressure arm can be fastened in the straight trough of gland.

The utility model is simple in structure, and is easy to use, has good cut-out performance, is a kind of desirable fiber end face tools.

The utility model is described in further detail below in conjunction with accompanying drawing.

Figure one is a front view of the present utility model.

Figure two is the vertical view of figure one.

Figure three is the left view of figure one.

Referring to each accompanying drawing, pedestal 1 of the present utility model is the matrix that connects each component part, the cavity 18 that its right side has front and back to connect, and optical fiber position-board 7 is fixed on cavity 18 left sides, which is provided with guide groove, is used to place optical fiber.Gland 6 flexibly connects with the optical fiber position-board 7 that is positioned at its top.A pair of lower platen 12 is separately fixed at the left and right sides of cavity 18.Loam cake 3 flexibly connects by a major axis 2 and matrix, and can rotate for the axle center by this major axis 2.These loam cake 3 inboards are provided with elasticity pressure cap 5 and a pair of top board 8, and this elasticity pressure cap 5 is made of cap body and spring 4, and under the effect of spring 4, cap body one end stretches out loam cake 3.When loam cake 3 and pedestal 1 covered together, pressure cap 5 suppressed

gland

6, and 8 of top boards and lower platen 12 press together correspondingly, and loam cake 3 right sides also have straight trough 13 one.

The bearing 17 of cutting assembly is fixed in the cavity 18 on the pedestal 1, and support 16 moves before and after can be on bearing 17.In order further to improve the precision of cutting, the cutting assembly of present embodiment also has the blade height guiding mechanism, this mechanism is made up of support arm 15, adjustment screw 22, fixed strip 20, match with it, support 16 tops longitudinally, laterally respectively have one groove, support arm 15 promptly embeds in the cannelure, and fixed strip 20 embeds the transverse groove that is positioned at support 16 1 ends, makes support 16 and support arm 15 relative fixed.Adjust screw 22 and be positioned at fixed strip 20 middle parts, its lower end passes support arm 15 and contacts with support 16.Like this, adjust screw 22 by rotation, the distance of adjusting 16 on support arm 15 and support reaches the purpose of adjusting blade 14 height.When the utility model had above-mentioned blade height guiding mechanism, blade 14 was installed on the support arm 15, and during this mechanism, 14 on blade is not directly installed on the support 16.

Blade 14 of the present utility model has two kinds of installation forms, and a kind of is fixed, and another kind is turnable.When adopting fixed blade, blade only needs the top to have blade to get final product, and when adopting the rotary type blade, then the periphery of blade is blade entirely, and present embodiment promptly adopts the rotary type blade.At this moment, need at the dog screw of establishing on the support 16 more than one 21, embodiment is two.Whether contact with blade 14 by dog screw 21, control the rotation of blade 14.

Holding down assembly is made of linking arm 19, pressure arm 10 and button 9, and linking arm 19 is flexible connection with pedestal 1, pressure arm 10 with linking arm 19, and button 9 is positioned at pressure arm 10 ends, and its lower end is connected to a depression bar 11, and pressure arm 10 can be fastened in the straight trough 13 of loam cake 3.

During work, open loam cake 3, gland 6 and pressure arm 10, the optical fiber that desire is cut off is put into to the guide groove of optical fiber position-board 7, gland 6 and loam cake 3 close, this moment, the cap body of pressure cap 5 suppressed gland 6 under the effect of spring 4, simultaneously, two top boards 8 of loam cake 3 inboards also are laminated together with a pair of lower platen 12 at pedestal 1 top, and the optical fiber of desiring to cut is pushed down.Then, promote cutting assembly to a side shifting, make blade 14 cut optical fiber, mark slight sulculus one in the optical fiber bottom along the direction of arrow.At last, the pressure arm 10 that closes again, and push button 9 downwards, and transfer the pressure on the optical fiber by depression bar 11, optical fiber is fractureed, it is neat, bright and clean so just to obtain a section, with the perpendicular high-quality optical fiber of shaft axis of optic fibre, in order to making fibre-optical splice.

Claims

1, a kind of optical fiber cutter, it is characterized in that it is made of pedestal (1), loam cake (3), cutting assembly, four major parts that hold down assembly, the cavity (18) that pedestal (1) right side has front and back to connect, cutting assembly promptly is positioned at it, pedestal (1) top is provided with optical fiber position-board (7), gland (10) and lower platen (12), optical fiber position-board (7) is fixed on cavity (18) left side, which is provided with guide groove, gland (6) is positioned at optical fiber position-board (7) top, flexibly connect with optical fiber position-board (7), lower platen (12) is a pair of, and cavity (18) left and right sides respectively has one; Loam cake (3) is connected with pedestal (1) top movable, its inboard is provided with elasticity pressure cap (5) and a pair of top board (8), when loam cake (3) and pedestal (1) cover together, pressure cap (5) suppresses gland (6), top board (12) then presses together correspondingly with lower platen (8), and loam cake (3) right side also has one straight trough (13); Cutting assembly comprises bearing (17), support (16) and blade (14), and bearing (17) is fixed on the pedestal (1), and blade (14) is installed on the support (17), and support (16) can move before and after bearing (17) is gone up; Holding down assembly is made of linking arm (19), pressure arm (10) and button (9), and linking arm (19) is flexible connection with pedestal (1), pressure arm (10) with linking arm (19), and button (9) is positioned at pressure arm (10) end, and its lower end is connected to a depression bar (11).

2, optical fiber cutter as claimed in claim 1, it is characterized in that cutting assembly also comprises a blade height guiding mechanism, form by support arm (15), adjustment screw (22), fixed strip (20), match with it, support (16) top longitudinally, laterally respectively has one groove, support arm (15) promptly embeds in the cannelure, fixed strip (20) embeds the transverse groove that is positioned at support one end, make support (16) and support arm (15) relative fixed, adjust screw (22) and be positioned at fixed strip (20) middle part, its lower end passes support arm (15) and contacts with support (16).

3, optical fiber cutter as claimed in claim 1, the blade (14) that it is characterized in that cutting assembly can be gone up rotation at support (16), laterally be provided with the dog screw (21) more than on the support (16), by whether contacting of dog screw (21) and blade (14), control the rotation of blade (14).