CN101393307A - Optical fiber ferrule retainer - Google Patents
Optical fiber ferrule retainer Download PDFInfo
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- CN101393307A CN101393307A CNA2008102151373A CN200810215137A CN101393307A CN 101393307 A CN101393307 A CN 101393307A CN A2008102151373 A CNA2008102151373 A CN A2008102151373A CN 200810215137 A CN200810215137 A CN 200810215137A CN 101393307 A CN101393307 A CN 101393307A
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Abstract
An optical fiber ferrule retainer is composed that a state retaining ferrule is inserted into a ferrule insertion hole in an axial direction, a retention member replaceably attached to the retainer base part integrates a sleeve portion and a fixed portion, the ferrule insertion hole and the split groove are through, a press part that is displaced to be able to press a peripheral surface of the ferrule, the ferrule inserted in the insertion hole is hold by the press of the press part based on an operational component of thedevice base part, and the fixed part can be demounted from the device base part and the retention member can be replaced detachably. In addition, the device holds the ferrule with the state of insertion from the ferrule insertion hole to the axis direction, comprises a holding member for holding the ferrule front end portion projecting from the device body containing the ferrule insertion hole, and the holding member extends from the retention hole extending from the ferrule insertion hole to a radiation 2 direction.
Description
Technical field
The present invention relates to a kind of, for example when using micro-interference instrument apparatus (being also referred to as " interference microscope device ") analysis to constitute the shape etc. of optical fiber ferrule leading section of optical connector, remain on the optical fiber ferrule retainer that the assigned position before the object lens uses for making this optical fiber ferrule.
Background technology
Be used in the optical fiber of optical communication, by for example core about external diameter 10 μ m with the overlayer about being arranged on for example external diameter 125 μ m of its periphery and constituting, connect end at it each other optical connector is set in order to connect optical fiber.
Above-mentioned optical connector possesses the optical fiber ferrule (following is called lasso) that is maintained fixed optical fiber end.This lasso is made of the cylinder-like part that is maintained fixed optical fiber end, therein heart portion through hole insert optical fiber end and by cementing agent etc. fixing after, its front end face grinds to form mirror-like.Then, by make 2 lasso front end face apical graftings by optical connector, make maintained respectively 2 fiber optics connect.
This lasso front end face, known have grind to form with respect to the vertical plane of optical axis or grind to form plane with respect to the optical axis oblique, but recently, pressing force elastic deformation when preceding section passes through apical grafting lasso front end face, for improving lasso front end face close property each other, PC (phisical contact) grinding of implementing to make front end face become spherical shape is gazed at.
Even if, in order to reduce the light loss of following according to the optical fiber connection of optical connector, in lasso, stipulate high-precision all size by JIS, for the lasso of having implemented above-mentioned PC polishing, regulation has the position deviation error between the center (the profile center of optical fiber) of the summit of spherical front end face of scale error, lasso of radius-of-curvature of front end face and fiber cores etc., reaches the standard of the 6th (Entries order) μ m level.
Whether manufactured lasso to be suitable for above-mentioned specification in order checking, and to use above-mentioned micro-interference instrument apparatus.Being constructed as follows of micro-interference instrument apparatus: the object light of the phase information of the surface configuration of the subject that observation interference loading is small or index distribution etc. and the interference fringe that obtains with reference to light, by the shape or the variation of this interference fringe of determination and analysis, obtain the phase information of subject.
When using the lasso that this micro-interference instrument apparatus inspection makes, at the place ahead assigned position with respect to the object lens of micro-interference instrument apparatus, the lasso that need be used for checking remains the ferrule retainer of high position precision.In the past, as ferrule retainer so, the device of knowing that has following patent documentation 1 to be put down in writing.
[patent documentation 1] patent disclosure 2005-69697 communique
Summary of the invention
The ferrule retainer in the past that patent documentation 1 is put down in writing has structure as illustrated in Figure 7.Fig. 7 only represents the body part of ferrule retainer 500, keeps lasso 10 so this device is used for being positioned at Fig. 7 the assigned position in object lens the place ahead of the micro-interference instrument apparatus of left.
Lasso 10 constitutes optical connector, usually, is housed in the plug of optical connector.This lasso 10 remains on the external diameter center of lasso body 11 with an end of monotype type optical fiber (not shown), the maintenance anchor clamps 12 in this lasso body 11 is equipped with the plug that is used for lasso 10 is housed in optical connector.In addition, lasso body 11 is made of zirconia ceramics, and its front end face is become convex by PC polishing so that be close to the front end face of not shown the other side's side lasso easily.
Yet the ferrule retainer so constituting has following problem.That is,, follow repeatedly to keep operation lasso 10, produce abrasion, cause the reduction of the maintenance precision of lasso 10 at lasso inserting hole 561 and the abrasion position A, the B that push in the position 571 at above-mentioned ferrule retainer 500 in the past.
Promptly, being constituted as lasso inserting hole 561 inner faces of support sector 560 and the gap of lasso 10 outsides is set lessly, both center precision are consistent well, when this lasso 10 was inserted in lasso inserting hole 561, the abrasion position A of the open end of above-mentioned lasso inserting hole 561 and the outside of lasso 10 rubbed and produce abrasion.
In addition, pushing in the position 571 of displacement part 570, the fastening operation of displacement part 570 by control member makes notch 550 narrow down and flexural deformation and when keeping operating, and the abrasion position B that pushes the inner face at position 571 produces abrasion by being pressed in lasso 10 side face frictions.
Then, if keep precision to reduce owing to generation makes as above-mentioned abrasion lasso 10, then finally necessary replacing ferrule retainer 500 integral body produce the problem of checking that cost rises.Especially, the mensuration precision height of checking according to the end face of the optical fiber ferrule of micro-interference instrument apparatus, dimensional accuracy as the desired parts of ferrule retainer of determinand holding member is also high, follow the High Level of machining precision, material, processing processing etc. to become the thing of high price, along with the increase inspection amount of the use amount of optical fiber also increases, the separating to disappear of related problem becomes important problem.
The present invention proposes in view of the above problems, its the 1st purpose is, provide a kind of can be low-cost to being accompanied by the optical fiber ferrule retainer that uses the abrasion that caused to tackle in order to keep the lasso that will constitute optical connector to remain high precision repeatedly.
In addition, at above-mentioned ferrule retainer in the past following problem is arranged.Promptly, at above-mentioned ferrule retainer 500 in the past, displacement part 570 shakes displacement with the thin-walled portion of lower side as pivoting point, push the fore-end that keeps lasso 10 in order to push position 571 by it, make the leading section inclined light shaft of this lasso 10 and displacement thus, keeps precision to reduce, the error of measuring precision increases, and analysis result is exerted an influence.
That is, the above-mentioned position 571 of pushing along with the distortion of displacement part 570, is not displacement abreast for the center line of lasso inserting hole, but the displacement obliquely of press surface and center line, because this pressing force influences the optical axis of lasso front end face to become the mode displacement of toppling over.Its result, front end face towards variation, the optical fiber that is positioned at these lasso 10 centers departs from from the lasso front end face center of measuring, and error at measurment is exerted an influence.
In addition, along with keeping operation lasso 10 repeatedly, at lasso inserting hole 561 and push position 571 and produce abrasion, the problem that has the maintenance precision that causes lasso 10 to reduce.That is, when lasso 10 was inserted in lasso inserting hole 561, position 571 generations of pushing of pushing with maintenance lasso 10 time together because of the generation abrasion that rub wore away sometimes.
The present invention proposes in view of the above problems, and its 2nd purpose is, a kind of optical fiber ferrule retainer is provided, and it does not follow the inclination displacement of leading section optical axis that the lasso that constitutes optical connector is pushed maintenance accurately.
For reaching above-mentioned the 1st purpose, the optical fiber ferrule retainer that the present invention is first, a kind of optical fiber ferrule retainer, it is the lasso that will be fixedly installed in optical fiber end, to insert the fixing optical fiber ferrule retainer that keeps with the state of lasso inserting hole of lasso along its direction of principal axis, it is characterized in that, possess the device base portion and be installed in the retaining member of this device base portion replaceably, above-mentioned retaining member, the sleeve part of tubular is formed as one with the fixed part that is fixed in the said apparatus base portion, and have: the lasso inserting hole, it connects above-mentioned sleeve part and fixed part and forms; Cut apart groove, it is formed at the direction of principal axis or the Zhou Fangxiang vertical with direction of principal axis of this lasso inserting hole; Push the position, its variable bit is so that by this part of cutting apart the inner face of the above-mentioned lasso inserting hole that groove divides, push the above-mentioned lasso side face that is inserted into this lasso inserting hole, the said apparatus base portion possesses and applies the above-mentioned control member of pushing the external force of position displacement that makes above-mentioned retaining member; Push pushing of position and keep being inserted in above-mentioned lasso in the above-mentioned lasso inserting hole according to above-mentioned, on the other hand, from said apparatus base portion dismounting said fixing portion and can load and unload and change above-mentioned retaining member.
In addition, particularly, above-mentioned retaining member can be constituted as above-mentioned retaining member, is constituted as: with above-mentioned lasso inserting hole in the end of end, lasso inserting side opposition side possess the above-mentioned groove of cutting apart that axially forms from this end; At a side's of cutting apart the groove division by this above-mentioned position of pushing, the tabular displacement member edge and the direction of principal axis vertical direction of lasso inserting hole are extended and are provided with continuously; With above-mentioned push the position practise physiognomy to and the opposing party's of being divided position is provided with the tabular said fixing portion of extending with above-mentioned displacement member reverse direction continuously; At the end face of the sleeve part side of above-mentioned displacement member, effect with based on the direction of principal axis of the lasso inserting hole of aforesaid operations member parallel push external force.
In addition, particularly, above-mentioned retaining member, can be constituted as with the above-mentioned lasso inserting hole of above-mentioned sleeve part in the end of end, lasso inserting side opposition side be provided with said fixing portion continuously; Possess the above-mentioned groove of cutting apart that axially forms from this end in the end, lasso inserting side of above-mentioned sleeve part, form the sleeve part of cutting apart a side of groove division by this at the above-mentioned position of pushing; This push position effect based on the aforesaid operations member, along the external force of pushing of the vertical direction of the direction of principal axis of lasso inserting hole.
In addition, particularly, above-mentioned retaining member, can be constituted as with above-mentioned lasso inserting hole in the end of end, lasso inserting side opposition side possess the above-mentioned groove of cutting apart that axially forms from this end; Form the sleeve part of cutting apart the side that groove is divided by this at the above-mentioned position of pushing, this push the position effect based on the aforesaid operations member, along the external force of pushing of the vertical direction of lasso inserting hole direction of principal axis; With above-mentioned push the position practise physiognomy to and the opposing party position of being divided is provided with tabular said fixing portion continuously.
In addition, particularly, above-mentioned retaining member, with above-mentioned lasso inserting hole in the end of end, lasso inserting side opposition side possess the above-mentioned groove of cutting apart that axially forms from this end, form the sleeve part of cutting apart the side that groove is divided by this at the above-mentioned position of pushing, push position effect the external force of pushing at this, tabular said fixing portion is being set continuously with above-mentioned the opposing party right, that the be divided position of practising physiognomy, position of pushing based on the aforesaid operations member, vertical direction with lasso inserting hole direction of principal axis.
For reaching above-mentioned the 2nd purpose, the optical fiber ferrule retainer of the 2nd invention, the lasso of optical fiber end will be fixedly mounted on, remaining on lasso with the state that inserts along its direction of principal axis fixes with in the lasso inserting hole, it is characterized in that, possess device body and be installed in this device body and tabular clamping components keeping from the outstanding lasso leading section of said apparatus body with above-mentioned lasso inserting hole, above-mentioned clamping components, possess: retaining hole, it is in the prolongation upper shed of above-mentioned lasso inserting hole; The otch groove, it extends to radiation 2 directions from this retaining hole, and an end is open in the open end of clamping components one side, and the other end is in apolipsis end closure; Fixed part, it is separated by this otch groove, and is fixed on the said apparatus body; Displacement part, it is faced mutually with this fixed part, and be divided into the center and displacement with this apolipsis end of above-mentioned otch groove, the said apparatus body, the displacement adjustment part that possesses the addendum modification of adjusting above-mentioned displacement part, above-mentioned displacement part, perimembranous in above-mentioned retaining hole, possess lasso and push the position, described lasso is pushed the position and can be connected discretely with respect to perimembranous in this retaining hole of said fixing portion by the action of above-mentioned displacement adjustment part and move, and the lasso leading section that will insert the lasso inserting hole of said apparatus body is pushed from the direction vertical with the lasso direction of principal axis.
In addition, above-mentioned clamping components can constitute the part that will contact with above-mentioned lasso as removable miscellaneous part.
At this moment, above-mentioned miscellaneous part, the part that can constitute at cylindrical shell has the axial vertical sleeve of cutting apart of cutting apart groove, and this is cut apart sleeve and also prolongs installing in the lasso inserting hole part of said apparatus body.
In addition, can be constituted as the position that applies based on the above-mentioned displacement pressing force adjustment part, above-mentioned displacement part, be the position than the open end of the more inclined to one side mutually above-mentioned otch groove in center of above-mentioned retaining hole.
Moreover above-mentioned clamping components can be constituted as by near the thinner wall section the apolipsis end of above-mentioned otch groove and connects above-mentioned displacement part and said fixing portion, and above-mentioned displacement part can be the center displacement with above-mentioned thinner wall section to said fixing portion.
In addition, at the optical fiber ferrule retainer of the 1st invention and the 2nd invention, as the section shape of above-mentioned lasso inserting hole, can be made as the circle identical with the section shape of lasso, but if can carry out the lasso location, then be not limited to circle, can form square, rhombus or polygon-shaped.At this moment, the internal diameter of lasso inserting hole means with the outer peripheral face of lasso to contact, and clips the distance between opposed facing of lasso.
As more than, constituting of the optical fiber ferrule retainer of the 1st invention is as follows: to keep lasso at the fixing state that axially inserts with inserting hole of lasso, can be installed in the retaining member of device base portion with changing, sleeve part and fixed part are formed as one, and have the lasso inserting hole of perforation and cut apart groove and the lasso side face can push the ground displacement push the position, by pushing pushing the position by the control member of device base portion, and the lasso that is inserted in the lasso inserting hole is kept, on the other hand, can and can load and unload the replacing retaining member from device base portion dismounting fixed part.
In the ferrule retainer of the 1st invention as constituted above, the abrasion at the insertion end position of inserting by the lasso in following the lasso inserting hole and follow the abrasion of pushing of pushing the position that keep lasso, during according to the maintenance precise decreasing of the lasso of ferrule retainer, stay device base portion with control member etc., can only change the part of the retaining member that constitutes the lasso inserting hole, therefore, the minimizingization of required expense in the time of can seeking to change can be kept stable maintenance precision for a long time.
Promptly, keep lasso with the increase that is accompanied by the inspection amount repeatedly and produce abrasion accordingly at the lasso inserting hole, by changing retaining member according to its wear intensity, and it is relatively whole with the replacing ferrule retainer, the parts price is cheapization, can change termly, can keep the maintenance precision of lasso, and can guarantee good parsing precision.
As more than, constituting of the optical fiber ferrule retainer of the 2nd invention is as follows: lasso is remained on that lasso is fixing use the lasso inserting hole in the mode of axially inserting, possess the clamping components that the lasso leading section of giving prominence to from the device body with lasso inserting hole is carried out clamping.Above-mentioned clamping components, possess from retaining hole and extend to radiation 2 directions in the prolongation upper shed of lasso inserting hole, one end is open in the open end of clamping components one side, the fixed part that the other end is closed at the apolipsis end and separation is faced mutually and the otch groove of displacement part, device body possesses the change adjustment part of the addendum modification of adjusting displacement part, above-mentioned displacement part, perimembranous in retaining hole, possess lasso and push the position, described lasso is pushed the position and can be connected discretely with respect to perimembranous in the retaining hole of fixed part by the action of displacement adjustment part and move, and the lasso leading section is pushed from the direction vertical with the lasso direction of principal axis.
In the 2nd invention ferrule retainer as constituted above, push the displacement at position by the lasso of displacement part, make and to push and constitute the displacement mode of displacement part from the direction vertical with the lasso direction of principal axis, make the optical axis of lasso front end not follow push action to topple over the ground displacement, therefore, the direction invariant position of lasso front end face and being held.Thus, the center of measuring front end face does not change and can improve the maintenance precision, can be good measure.
In addition, can be when the miscellaneous part that contacts with lasso be changed, can be at because of the abrasion that are inserted in the insertion end position that are accompanied by the lasso in the lasso inserting hole and be accompanied by the abrasion of pushing of pushing the position that keep lasso, and the lasso of the ferrule retainer that causes keeps the decline of precision, stay device body with displacement adjustment part etc., can only change the part of the clamping components that constitutes the lasso inserting hole, the minimizingization of required expense in the time of can seeking to change can be kept stable maintenance precision for a long time.
Make above-mentioned miscellaneous part for cutting apart sleeve, feasible replacing therewith lasso contact cut apart sleeve the time, provide this replacing of cutting apart sleeve can all change the part that is contacted with lasso, therefore, the replacement cost when producing abrasion by keeping many lassos repeatedly can be reduced, long mensuration precision can be kept by changing termly to wait.
In addition, if make based on the displacement adjustment part, at the position that the retaining hole center is done in to depart from the position that applies of the pressing force of displacement part, then can seek the minimizing of pressing force, can realize the displacement adjustment part small-sized, when simplifying, adjust pressing quantity easily, and the damage that can prevent to produce the lasso that causes according to excessive pressing force effect.
Moreover if link fixed part and displacement part by thinner wall section, then the displacement of displacement part becomes easily, lowers the required pressing force in displacement adjustment part, can realize small-sized simplification equally.
Description of drawings
Fig. 1 is the cut-open view of the related optical fiber ferrule retainer of embodiments of the present invention 1-1.
Fig. 2 is the front elevation of ferrule retainer shown in Figure 1.
Fig. 3 is the rear view of ferrule retainer shown in Figure 1.
Fig. 4 is the cut-open view of the related optical fiber ferrule retainer of embodiments of the present invention 1-2.
Fig. 5 is the cut-open view of the related optical fiber ferrule retainer of embodiments of the present invention 1-3.
Fig. 6 is the cut-open view of the retaining member in the related optical fiber ferrule retainer of embodiments of the present invention 1-4.
Fig. 7 is the cut-open view of routine in the past related optical fiber ferrule retainer.
Fig. 8 is the cut-open view of the related optical fiber ferrule retainer of the mode 2-1 of enforcement of the present invention.
Fig. 9 is the front elevation of ferrule retainer shown in Figure 8.
Figure 10 is the rear view of ferrule retainer shown in Figure 8.
Figure 11 is the 4-4 cut-open view of Fig. 8.
Embodiment
Below, the embodiment of the ferrule retainer of use description of drawings the 1st invention.
＜embodiment 1-1 〉
Fig. 1 is the cut-open view of the related optical fiber ferrule retainer of embodiments of the present invention 1-1, and Fig. 2 is its front elevation, and Fig. 3 is its rear view.
Illustrated ferrule retainer 100, be to be used for and to be fixedly installed in the lasso 10 of the end of optical fiber shown in Figure 1, remain on the device of the place ahead, objective lens unit assigned position of not shown micro-interference instrument apparatus, be constituted as, the left side of Fig. 1 is that front shown in Figure 2 is the face that is installed in the micro-interference instrument apparatus, and promptly insert from the back side shown in Figure 3 with lasso 10 on the right side of Fig. 1.In addition, the apparatus structure example of micro-interference instrument apparatus has explained at above-mentioned patent documentation 1, therefore, please refer to its record.
As above-mentioned, lasso 10 shown in Figure 1 constitutes the optical connector by not shown the other side's side plug and not shown spigot and faucet joint, and is common, is housed in the plug of optical connector.This lasso 10, an end that keeps monotype type optical fiber (not shown) at the external diameter center of lasso body 11 at this lasso body 11, is equipped with and is used to make lasso 10 to be housed in maintenance anchor clamps 12 in the plug of optical connector.In addition, lasso body 11 is made of zirconia ceramics, and its front end face 11a is become convex by PC polishing, so that be close to the front end face of not shown the other side's side lasso easily, resolves the form accuracy of section 11a before this with above-mentioned microinterferometer device.
The ferrule retainer 100 of present embodiment, possess device base portion 110 that forms by circular tabular component and the retaining member of installing replaceably from front face side at this device base portion 110 130, it is fixing with lasso inserting hole 131 that heart portion has lasso therein, with above-mentioned lasso 10 state that its direction of principal axis inserts that remains along.In addition, device base portion 110 possesses control member 150 (not shown at Fig. 3) is arranged.
Said apparatus base portion 110, the round plate 111 of central authorities and the edge part 112 of the roughly ring-type of neighboring form as one, and at the central portion of the rear side of round plate 111 discoideus rotation confinement plate (not shown) are installed.
As Fig. 2, shown in Figure 3, above-mentioned edge part 112 possesses threaded hole 113 (among the figure 3) and location with recess 114.Threaded hole 113 is to be used for ferrule retainer 100 is installed in microinterferometer Unit Installation screw usefulness, and recess 114 forms the usefulness that is connected with the pin of its location usefulness.
As shown in Figure 1, can load and unload the retaining member 130 that is installed in the front face side of said apparatus base portion 110 with changing, have the cylindrical sleeve portion 133 of central part, at an end of this sleeve part 133 integrally formed tabular fixed part 134 and displacement member 135.Then, this retaining member 130, also assembled by the central part that sleeve part 133 is intercalated in device base portion 110 with gib screw 140 connection fixed parts 134.
At the sleeve part 133 of above-mentioned retaining member 130, at fixed part 134 and displacement member 135, lasso inserting hole 131 axially connects formation.This lasso inserting hole 131 has the internal diameter with the external diameter approximate same size of above-mentioned lasso 10, and above-mentioned sleeve part 133 is constituted as inner face support by lasso inserting hole 131 and is inserted in lasso 10 in this lasso inserting hole 131.
In addition, retaining member 130, with above-mentioned lasso inserting hole 131 in opposition side end, end, lasso inserting side (right side among Fig. 1), have by this end and cut apart groove 137 to what lasso inserting hole 131 direction of principal axis extended to form towards the other end, cut apart groove 137 by this, be divided into and accompany this and cut apart groove 137 opposed facing 2 parts.The above-mentioned groove 137 of cutting apart is not only cut apart sleeve part 133, and as shown in Figure 2, extend to transverse direction (diametric(al)) slot-shaped, about fixed part 134 and displacement member 135 be separated into.
About being divided into by an above-mentioned inner face cutting apart groove 137 lasso inserting holes 131, i.e. the part of the fixed part 134 of pushing position 136 and below (the opposing party) of the part of the displacement member 135 of top (side).Upside is pushed position 136 and is constituted as by push the displacement member 135 that position 136 is arranged on the direction setting vertical with the direction of principal axis of lasso inserting hole 131 continuously at this, and make it possible to this displacement member 135 to the displacement of toppling over sleeve part 133 opposition sides (among the figure left side) accordingly, can push the ground displacement at the side face of the above-mentioned lasso 10 that is inserted in lasso inserting hole 131.
That is, displacement member 135 forms to variable bit and makes the above-mentioned narrowed width of cutting apart groove 137.In addition, position 136 is pushed in the lower end of displacement member 135, when inserting lasso 10 in the above-mentioned lasso inserting hole 131, to be positioned at the fore-end of the lasso 10 of inserting the end that leads to the direction front side of this lasso inserting hole 131, follow above-mentioned displacement, to pushing, and keep being inserted in lasso 10 in the lasso inserting hole 131 with the direction of inserting logical direction approximate right angle of lasso 10.
By the above-mentioned groove 137 of cutting apart, with above-mentioned push position 136 mutually in the face of and the opposing party's's (downside) of being divided position, be fixed part 134, to extending, be installed in device base portion 110 by fastening (Parties め pay け) from the gib screw 140 of face side (Fig. 2 4) with above-mentioned displacement member 135 reverse directions.By this structure, and with the above-mentioned position invariant position of facing mutually at position 136 of pushing, make the mode that keeps with side face and work the lasso 10 that is inserted in lasso inserting hole 131.
At said apparatus base portion 110, in the threaded hole 116 that the rear side position of the above-mentioned displacement member 135 on top forms, screwed togather control member 150.This control member 150, has the thread spindle 151 that is screwed on above-mentioned threaded hole 116, the front end of this thread spindle 151 is inserted logical threaded hole 116 and is connected to above-mentioned displacement member 135 back sides (end faces of sleeve part 133 sides) and can pushes, and is provided with knob 153 in the rear portion side of thread spindle 151.Follow the fastening rotary manipulation of above-mentioned knob 153, act on based on control member 150, the parallel external force of pushing with the direction of principal axis of lasso inserting hole 131 at displacement member 135.Then, become by making this displacement member 135 displacements, and express the above-mentioned structure of pushing the external force of position 136 displacements that makes above-mentioned retaining member 130.
In addition, also can constitute in order easily to carry out the operation of aforesaid operations member 150, or for the predetermined operation amount, and at the control member 150 upright levers of establishing, the moving range of this lever is limited in clip position and liberation position by pin etc. is set.For example, if do not insert in the state of lasso 10 at lasso inserting hole 131, aforesaid operations member 150 is operated greatly, then produce plastic yield in the part of cutting apart groove 137, the possibility that has displacement member 135 not turn back to original position and can not carry out the insertion of lasso 10 thereafter, the mechanism that this is limited necessitates.To its concrete structure, please refer to the record of above-mentioned patent documentation 1.
In addition, the front end opening of above-mentioned lasso inserting hole 131 (left part of Fig. 1), become the viewport of the front end face 11a that is used to observe the lasso 10 that is inserted in this, be constituted as when ferrule retainer 100 is assembled in the micro-interference instrument apparatus, be positioned at the front of object lens.
Follow above-mentioned displacement of pushing position 136, push the side face (top) that is inserted in the lasso 10 in the lasso inserting hole 131, this lasso 10 is fixedly remained on lasso inserting hole 131 by its inner face.On the other hand, with the wear intensity of lasso inserting hole 131 inner faces that keep repeatedly that are accompanied by above-mentioned lasso 10 accordingly, change above-mentioned retaining member 130 from said apparatus base portion 110 dismounting said fixing portions 134 and loading and unloading.
In addition,, can constitute by the stainless steel material (SUS303) that not have to handle as the material example of device base portion 110, but as the material example of retaining member 130, use hard stainless steel material (SUS440), (baked is gone into れ baked I to be necessary to implement Q-tempering
Thermal treatment), the surface treatment of electroless nickel plating.When both are structure as a whole, be necessary to make whole for hard material and carry out surface treatment, it is unfavorable to become at the cost face, for this, changes the improvement that structure also can be sought this point as the present invention by being made as to separate.
If explanation is as the effect of the ferrule retainer 100 of above-mentioned present embodiment, then as following maintenance lasso 10.
At first, control member 150 is operated the liberation position.At this moment, above-mentioned displacement member 135 maintains the state of invariant position, promptly becomes certain state at the above-mentioned interval of cutting apart groove 137 of its total length.
Secondly, with lasso 10, be inserted into from its leading section side in the lasso inserting hole 131 of sleeve part 133 of ferrule retainer 100 and assemble.Lasso inserting hole 131 internal diameters, because of being formed the big or small roughly the same size with the external diameter of lasso 10, so when being inserted into lasso 10 in the lasso inserting hole 131, lasso 10 in the position of regulation, assembled with the posture high precision of regulation.
Then, control member 150 is operated clamping (Network ラ Application プ) position.At this moment, displacement member 135 is operated member 150 and pushes, and to the direction displacement of leaving previously from device base portion 110, by this displacement, displacement member 135 above-mentioned pushed the fore-end of the lasso 10 that position 136 will be inserted in lasso inserting hole 131, to pushing to the direction at right angle greatly, the slotting lasso 10 that leads in lasso inserting hole 131 is remained do not shirk with the logical direction of inserting of lasso 10.
When remove keeping lasso 10, with control member 150 to reverse operation.At this moment, displacement member 135 moves liberation pushing by control member 150 corresponding to retreating of control member 150, direction displacement to the front of approaching device base portion 110, by this displacement, the pushing of fore-end to lasso 10 of pushing position 136 based on displacement member 135 is disengaged, and can be with lasso 10 for to shirk in lasso inserting hole 131.
＜embodiment 1-2 〉
Fig. 4 is the general profile chart of expression optical fiber ferrule retainer 1-2.Ferrule retainer 200 in this embodiment, the mode of cutting apart groove 237 is different from embodiment 1-1.
Particularly, ferrule retainer 200 possesses device base portion 210 and retaining member 230 in the same manner with above-mentioned example.Can load and unload the retaining member 230 that is installed in the front face side of said apparatus base portion 210 with changing, have the sleeve part 233 of tubular central part and be integrally formed in the fixed part 234 and the displacement member 235 of these sleeve part 233 1 ends.And, this retaining member 230, by the central part of sleeve part 233 intercalations at device base portion 210, and assembled by gib screw 240 connection fixed parts 234.
At sleeve part 233, fixed part 234 and the displacement member 235 of above-mentioned retaining member 230, axially breakthrough form becomes lasso inserting hole 231.In addition, retaining member 230, with above-mentioned lasso inserting hole 231 in the opposite side in end, lasso inserting side (right side among Fig. 4) the end near, have at the inner position of above-mentioned displacement member 235 and cut apart groove 237 to what the Zhou Fangxiang vertical with the direction of principal axis of lasso inserting hole 231 extended to form.This cuts apart groove 237, and prolongation extends between device base portion 210 and the displacement member 235, is set to make to these displacement member 235 variable bit the wide variety of cutting apart groove 237.
By the above-mentioned groove 237 of cutting apart, the local inner face of the lasso inserting hole 231 in the central part of displacement member 235 is divided and is pushed position 236.From then on push the tabular displacement member 235 in position 236 to extending with the direction of principal axis vertical direction of lasso inserting hole 231 and being provided with continuously.In addition, with above-mentioned push position 236 mutually in the face of and form the position cut apart groove 237, be provided with continuously to the tabular said fixing portion 234 of extending with displacement member 235 reverse directions.
And constitute, at the end face of sleeve part 233 sides of above-mentioned displacement member 235,, act on the tractive external force parallel and rise with the direction of principal axis of lasso inserting hole 231 by the control member 250 with device base portion 210 is set.
Push position 236 and follow the displacement operation of above-mentioned displacement member 235 and displacement, push the side face (top) that is inserted in the lasso 10 in the lasso inserting hole 231, at lasso inserting hole 231 fixing these lassos 10 that keep according to its inner face.On the other hand, according to the wear intensity of following lasso inserting hole 231 inner faces that keep above-mentioned lasso 10 repeatedly, load and unload and change above-mentioned retaining member 230 from said apparatus base portion 210 dismounting said fixing portions 234.
If explanation is as the effect of the ferrule retainer 200 of above-mentioned present embodiment, then as following maintenance lasso 10.
When control member 250 was operated the liberation position, above-mentioned displacement member 235 maintained the indeclinable state in the interval of cutting apart groove 237, inserted assembling lasso 10 at lasso inserting hole 231.
Then, if control member 250 is operated clip position, then by control member 250 tractive displacement members 235, to the direction displacement that approaches device base portion 210 fronts, by this displacement, displacement member 235 above-mentioned pushed the fore-end that the lasso 10 that is inserted in lasso inserting hole 231 is pushed at position 236, and this lasso 10 remains and do not shirk.When remove keeping lasso 10, by with control member 250 to reverse operation, be disengaged based on the pushing of fore-end to lasso 10 of pushing position 236 of displacement member 235, can in lasso inserting hole 231, shirk lasso 10.
＜embodiment 1-3 〉
Fig. 5 is the cut-open view of the related optical fiber ferrule retainer of embodiments of the present invention 1-3.Ferrule retainer 300 in this embodiment, the form of cutting apart groove 337 is different from embodiment 1-3.
Particularly, ferrule retainer 300 possesses device base portion 310 and retaining member 330 in the same manner with above-mentioned example.Can load and unload the retaining member 330 that is installed in the front face side of said apparatus base portion 310 with changing, have the sleeve part 333 of tubular central part and be integrally formed in these sleeve part 333 1 ends fixed part 334 in full week.Then, this retaining member 330, by the central part of sleeve part 333 intercalations at device base portion 310, and assembled by gib screw 340 connection fixed parts 334.
At the sleeve part 333 and the fixed part 334 of above-mentioned retaining member 330, axially connect and form lasso inserting hole 331.Then, above-mentioned retaining member 330, with the lasso inserting hole 331 of sleeve part 333 in the end of end, lasso inserting side (right side among Fig. 5) opposition side fixed part 334 is set continuously, in the end, lasso inserting side of side in contrast, have by what this end extended to towards the other end that the direction of principal axis of lasso inserting hole 331 forms and cut apart groove 337, cut apart groove 337 by this, clip this and cut apart groove 337 and be divided into opposed facing 2 parts.
By the above-mentioned groove 337 of cutting apart, be that the end of sleeve 333 is divided into up and down the i.e. fixed part of pushing position 336 and below (the opposing party) of top (side) with the part of lasso inserting hole 331.Upside push position 336, being constituted as the external force of pushing that makes based on the vertical direction of the direction of principal axis with lasso inserting hole 331 of the control member 350 that is arranged on device base portion 310 works, and can be to the center position displacement, and constitute at the side face of the above-mentioned lasso 10 that is inserted in lasso inserting hole 331 and push by this pressing force.
Do not forming the above-mentioned opposition side end of cutting apart the lasso inserting hole 331 of groove 337, in periphery, said fixing portion 334 extends to the direction vertical with the direction of principal axis of lasso inserting hole 331, and by the fastening device base portion 310 that is installed in from the gib screw 340 of face side.
Aforesaid operations member 350, be to adjust the above-mentioned member of pushing the displacement at position 336 according to its operational ton, towards above-mentioned push position 336 side faces and along the direction vertical with direction of principal axis extend to form the device base portion 310 threaded hole 341 in, screw togather the threaded portion 351 of control member 350, have knob 353 in rearward end, and can push above-mentioned mode of pushing the side face at position 336 with the front end of above-mentioned threaded portion 351 and be provided with.According to the fastening operation of this knob 353,, thereby pay external force to be pressed into this mode of pushing position 336 in the threaded hole 341 threaded together portions 351 of device base portion 310.
Push position 336 and follow above-mentioned displacement operation and displacement, push the side face (top) that is inserted in the lasso 10 in the lasso inserting hole 331, at lasso inserting hole 331 fixing these lassos 10 that keep by its inner face.On the other hand, according to the wear intensity that is accompanied by lasso inserting hole 331 inner faces that keep above-mentioned lasso 10 repeatedly, load and unload and change above-mentioned retaining member 330 from said apparatus base portion 310 dismounting said fixing portions 334.
If explanation is as the effect of the ferrule retainer 300 of above-mentioned present embodiment, then as following maintenance lasso 10.
When control member 350 was operated the liberation position, the above-mentioned position 336 of pushing maintained the indeclinable state in the interval of cutting apart groove 337, inserted assembling lasso 10 at lasso inserting hole 331.
Then, if control member 350 is operated clip position, then pressing member 336 by this displacement, is pushed root unit (root unit) part of the lasso 10 that is inserted in lasso inserting hole 331 by control member 350 displacement that is pressed, and this lasso 10 is remained do not shirk.When remove keeping the maintenance of lasso 10, by with control member 350 to reverse operation, remove by pushing pushing of the 336 pairs of lassos 10 in position, can in lasso inserting hole 331, shirk lasso 10.
In the present embodiment, by making the lasso 10 that is inserted in lasso inserting hole 331, remain on than leading section by the root at rear unit part, as implementing mode 1-1 and push at fore-end when keeping and compare, the parsing precision of lasso front end face 11a becomes well.Promptly, as implement mode 1-1, according to pushing position 136 when pushing the front that keeps lasso 10, become pressing force thus effect influence the mode displacement that lasso front end face 11a topples over, the fiber optic hub position deviation at lasso 10 centers also can be considered the influence that error at measurment is brought thus.But as present embodiment, when the root unit part that is separated in rear portion side was pushed maintenance lasso 10, favourable point was to follow this toppling over of lasso front end face 11a of pushing to tail off, and departing from also of fiber optic hub position tails off, and keeps precision to uprise, and error at measurment diminishes.
＜embodiment 1-4 〉
Fig. 6 is the general profile chart of the retaining member in the related optical fiber ferrule retainer of present embodiment 1-4.Ferrule retainer 400 in this embodiment makes that the point of pushing position 436 direct displacements and pressing force being worked is different with the 1st embodiment.
In present embodiment, can load and unload the retaining member 430 that is mounted in not shown device base portion front face side with changing, have the sleeve part 433 of tubular central part and at the integrally formed fixed part 434 in an end bottom of this sleeve part 433.Then, this retaining member 430, sleeve part 433 and the central part of Fig. 1 intercalation similarly at the device base portion, assembled by connecting fixed part 434.
At the sleeve part 433 and the fixed part 434 of above-mentioned retaining member 430, axially connect and form lasso inserting hole 431.Then, above-mentioned retaining member 430, with lasso inserting hole 431 in the opposite side in end, lasso inserting side (right side among Fig. 6), have by this end extend to the direction of principal axis of lasso inserting hole 431 towards the other end and form cut apart groove 437, cut apart groove 437 by this, clip this and cut apart groove 437 and be divided into opposed facing two parts.
By an above-mentioned part of cutting apart groove 437 lasso inserting holes 431, promptly the end of sleeve 433 is divided into up and down the i.e. fixed part of pushing position 436 and below (the opposing party) the 434 continuous fixed parts that are provided with of top (side).Upside push position 436, being constituted as the pressing force F that makes based on the vertical direction of the direction of principal axis with lasso inserting hole 431 of the control member that is arranged on not shown device base portion works, can be by this pressing force F along the center position displacement, and constitute at the side face of the above-mentioned lasso 10 that is inserted in lasso inserting hole 431 and push.Other formations are identical with the 1st embodiment.
If the side face (top) that is inserted in the lasso 10 in the lasso inserting hole 431 by pressing force F displacement, is then pushed by its inner face in the above-mentioned position 436 of pushing, at lasso inserting hole 431 fixing these lassos 10 that keep.On the other hand, according to the wear intensity of lasso inserting hole 431 inner faces that keep above-mentioned lasso 10 repeatedly, change above-mentioned retaining member 430 from 434 loading and unloading of said apparatus base portion dismounting said fixing portion.
Below, use drawing that the embodiment of the ferrule retainer of the 2nd invention is described.
＜embodiment 2-1 〉
Fig. 8 is the cut-open view of the related optical fiber ferrule retainer of the mode 2-1 of enforcement of the present invention, and Fig. 9 is its front elevation, and Figure 10 is its rear view, and Figure 11 is the 4-4 profile of Fig. 8.In addition, in Fig. 8, cutting apart sleeve is that only some is cut-open view.
As above-mentioned, lasso 10 shown in Figure 8 is the thing that constitutes by the optical connector of not shown the other side's side plug and not shown spigot and faucet joint, and is common, is housed in the plug of optical connector.This lasso 10, an end that keeps monotype type optical fiber (not shown) at the external diameter center of lasso body 11 at this lasso body 11, is equipped with and is used to keep to make lasso 10 to be housed in maintenance anchor clamps 12 in the plug of optical connector.In addition, lasso body 11 is made of zirconia ceramics, and its front end face 11a is become convex by PC polishing so that be close to not shown the other side's side front end face easily, resolves the form accuracy of this front end face 11a with above-mentioned microinterferometer device.
The ferrule retainer 200 of present embodiment, possesses the device body 210 that the tabular component by circle forms, with the clamping components 230 that releasably is installed in this device body 210 from front face side, it is fixing with lasso inserting hole 220 (being formed on sleeve 233 inside of cutting apart described later during diagram) that heart portion has lasso therein, and above-mentioned lasso 10 is remained its axial state that is inserted into.In addition, device body 210 possesses the displacement adjustment part 250 of carrying out the clamping operation.
As Fig. 9, shown in Figure 10, above-mentioned edge part 212 possesses threaded hole 213 (among the figure 3) and location with recess 214.Threaded hole 213 is to be used for ferrule retainer 200 is installed in the threaded hole that microinterferometer Unit Installation screw is used, and recess 214 is the parts that are connected usefulness that form with its positioning pin.
As shown in Figure 8, the clamping components 230 that can load and unload the front face side that is installed in said apparatus body 210 is roughly discoid (part of left part shortcoming among Fig. 9) with changing, has the retaining hole 231 of opening in the prolongation of above-mentioned lasso inserting hole 220 at central part.
In the retaining hole 231 of above-mentioned clamping components 230, an end of cutting apart sleeve 233 is installed.Above-mentioned cutting apart in the sleeve 233, the lasso 10 contacted positions with being inserted in lasso inserting hole 220 constitute as other members.This cuts apart sleeve 233, has the vertical groove 233B of cutting apart in the part of cylindrical shell 233A.
The above-mentioned sleeve 233 of cutting apart, the other end are inserted the through hole 215 lead at device body 210 central parts, and both ends remain step-like becoming and prevent the structure that comes off.That is, above-mentioned sleeve 233, one ends of cutting apart are only blocked stage portion in the front face side of the retaining hole 231 of clamping components 230, and other end card ends the stage portion in the rear side of the through hole 215 of said apparatus body 210.
This cuts apart the internal diameter of sleeve 233, less than the internal diameter of retaining hole 231 and through hole 215, makes and inserts above-mentioned lasso 10 with contact in this mode of cutting apart sleeve 233 inner peripheral surfaces.In addition, the internal diameter in the liberation state of cutting apart sleeve 233 of above-mentioned clamping components 230, promptly the lasso inserting hole 220, have the internal diameter bigger than the external diameter of above-mentioned lasso 10, constitute the lasso 10 that will be inserted into by cutting apart sleeve 233 inner face supports.
In addition, above-mentioned clamping components 230 has this clamping components 230 direction perforation in table, is extended to the otch groove 232 of radiation 2 directions (diametric(al) of level among the figure) by above-mentioned retaining hole 231.This otch groove 232 is formed following structure: promptly an end is opened in the open end 232A of clamping components 230 1 sides, and the other end clips retaining hole 231 and sealed by the circular hole apolipsis end 232B with open end 232A opposition side.
And, by above-mentioned otch groove 232 above-mentioned clamping components 230 being separated into, 2 members facing across this otch groove 232 promptly, are separated among the figure displacement part 235 of top among the fixed part 234 of below and the figure.Said fixing portion 234 makes and not to move with respect to the center of lasso inserting hole 220 and be fixed on said apparatus body 210.On the other hand, the ditch groove width variable bit of otch groove 232 is so that be that the center is amplified and dwindled above-mentioned displacement part 235 with the thinner wall section 237 of the prolongation of the apolipsis end 232B of otch groove 232.In order to make these displacement part 235 easy displacements, make above-mentioned thinner wall section 237 size promptly the distance from apolipsis end 232B to the end of clamping components 230 diminish, the clamping components 230 of the prolongation of apolipsis end 232B is excised by peripheral part.
Interior perimembranous in the retaining hole 231 of above-mentioned displacement part 235, by cutting apart sleeve 233 inner faces, constitute and be accompanied by the displacement that approaches said fixing portion 234, push position 236 and clamping is inserted in the lasso of lasso 10 leading sections of this fore-end of cutting apart sleeve 233.That is, between displacement part 235 and fixed part 234, make the above-mentioned internal diameter of cutting apart sleeve 233 diminish, and this cut apart sleeve 233 by compressive strain.Push position 236 based on the lasso of this inner face, it is the position that the mode of clamping the leading section of lasso 10 to follow this displacement is pushed maintenance, do not act on the crooked pressing force of central shaft (optical axis is toppled over) that makes lasso 10, and become from the central shaft vertical direction, with the face of central axes, the structure that pressure is worked.
Assembling about above-mentioned clamping components 230, above-mentioned clamping components 230 with an above-mentioned end intercalation of cutting apart sleeve 233 at the through hole 215 of the central part of device body 210, from then on the through hole 215 outstanding leading sections of cutting apart sleeve 233 mode that is inserted in above-mentioned retaining hole 231 is installed in the front face of device body 210, fastening according to from the gib screw 240 of face side (Fig. 9 3) of fixed part 234, and be installed in the device body 210.
On the other hand, according to the inner face of the lasso inserting hole 220 that keeps repeatedly of following above-mentioned lasso 10, promptly cut apart the wear intensity of sleeve 233, from said apparatus body 210 dismounting said fixing portions 234, what above-mentioned clamping components 230 was changed in loading and unloading cuts apart sleeve 233.
Secondly, be provided with the addendum modification of adjusting above-mentioned displacement part 235 at said apparatus body 210, i.e. connection to said fixing portion 234 separates the displacement adjustment part 250 that addendum modification is adjusted.At the displacement part 235 of above-mentioned clamping components 230, in the end of separating, form to the rear bending parallel with otch groove 232 from otch groove 232, extend to the hooking sheet 238 of the top of device body 210, end displacement adjustment part 250 at these hooking sheet 238 cards.This displacement adjustment part 250 has the clamping control member concurrently, and the front end of the knob of using at rotary manipulation 251 possesses thread spindle 252.Above-mentioned thread spindle 252 is screwed on the threaded hole 217 of device body 210 by the open-work 239 of hooking sheet 238.
As shown in Figure 9, above-mentioned displacement adjustment part 250 the position is set, be the position of the open end 232A side of otch groove 232 relatively, but not be in the prolongation of center of retaining hole 231 of clamping components 230.If will be by the position that applies of the pressing force of the 250 pairs of displacement parts 235 in displacement adjustment part, be made as the relatively position at retaining hole 231 centers, then can seek the attenuating of pressing force, can realize displacement adjustment part 250 small-sized, when simplifying, the pressing quantity adjustment also becomes easily, and the effect that can prevent because of excessive pressing force causes the lasso damage.
The position that the pressing force of above-mentioned displacement adjustment part 250 is worked, if make the ditch groove width of otch groove 232 narrow down and during position that displacement part 235 works, then need not limit especially, but for can be with little pressing force displacement, be preferably, in position, and leave the position of the thinner wall section 237 that becomes center of deformation near the open end 232A of otch groove 232.
In addition, easy for the operation transfiguration that makes above-mentioned displacement adjustment part 250, perhaps for the predetermined operation amount, can constitute in the displacement adjustment part the 250 upright levers of establishing, by pin etc. is set the moving range of this lever is limited in clip position and liberation position.
In addition, the front end opening of above-mentioned lasso inserting hole 220 (left part of Fig. 8), be the viewport of the front end face 11a that is used to observe the lasso 10 that is inserted in this, be constituted as ferrule retainer 200 when being assembled in the micro-interference instrument apparatus, be positioned at the front of object lens.To its concrete structure, please refer to the record of above-mentioned patent documentation 1.
In ferrule retainer 200,, keep lasso 10 as following mode according to above-mentioned clamping components 230 as above-mentioned present embodiment.At first, displacement adjustment part 250 is operated the liberation position.At this moment, above-mentioned displacement part 235 maintains the state of invariant position, the state that the gap of promptly above-mentioned otch groove 232 broadens.Secondly, with lasso 10, be inserted into the lasso inserting hole 220 of cutting apart sleeve 233 of ferrule retainer 200 and assemble from its leading section side.
Then, clip position is operated in displacement adjustment part 250.At this moment, push displacement part 235 by displacement adjustment part 250, the direction displacement that diminishes to the ditch groove width of otch groove 232 near fixed part 234, cut apart sleeve 233 according to this displacement, make its internal diameter diminish and be out of shape, this lasso is pushed position 236 to pushing the fore-end of lasso 10 with the logical rectangular direction of direction of inserting of lasso 10, and remains and do not shirk.The front end face 11a of lasso 10 the regulation the position, with the regulation posture remain high precision.
Remove when keeping lasso 10, to reverse operation displacement adjustment part 250.At this moment, mobile according to retreating of displacement adjustment part 250, being liberated of displacement part 235 based on pushing of displacement adjustment part 250, the direction displacement that broadens to the ditch groove width of otch groove 232, the internal diameter of cutting apart sleeve 233 by this displacement broadens, the pushing of fore-end of the 236 pairs of lassos 10 in position pushed in releasing by this lasso, lasso 10 can be shirked in lasso inserting hole 220.
In the present embodiment, the leading section of the lasso 10 by will being inserted in lasso inserting hole 220 is from the direction vertical with the direction of principal axis of lasso 10, across specialized range push, thus, be not subjected to the power of the front end vergence direction of lasso 10, the parsing precision of lasso front end face 11a becomes well.That is,, then depart from, bring influence to error at measurment in the center of lasso 10 front end face 11a if displacement is tilted for making lasso front end face 11a.For this, follow the inclination of the lasso leading section 11a that pushes to diminish in the present invention, departing from also of the center of optical fiber diminishes, and keeps precision to uprise, and the point that error at measurment diminishes becomes favourable.
Describe for other embodiments of the present invention.In the above-described embodiment, cut apart sleeve 233 as other member settings, be set to, the position that contacts with lasso 10, the position that promptly wears away are become just cut apart sleeve 233, and by wear intensity replacing with regulation, guarantee to keep precision with low cost corresponding to abrasion, also be not contained in present embodiment but the above-mentioned mode of cutting apart sleeve 233 is not set.
Though not shown particularly, at above-mentioned Fig. 8～Figure 11, when this cut apart sleeve 233 when removal, the through hole 215 at the center of device body 210 forms did not have stage portion, its internal diameter is set as the size that is equivalent to lasso 10 external diameters and becomes lasso inserting hole 220.In addition,, remove and be used to keep the above-mentioned stage portion structure of cutting apart sleeve 233, constitute and the leading section of lasso 10 is pushed position 236 by the lasso of press fit as smooth inner peripheral surface for the retaining hole 231 of clamping components 230.
Then, be inserted in the leading section of lasso 10 of the lasso inserting hole 220 of device body 210,,, this part pushed maintenance by according to the displacement of displacement part 235 and the lasso of displacement is pushed position 236 from the outstanding ormal weight of the front end face of device body 210.So do not have the embodiment of cutting apart sleeve 233, making lasso keep precision, be the inclination that the leading section of lasso 10 is not followed optical axis, but and high precision and keeping well really.
In addition, when not possessing the sleeve of cutting apart, if change to keep lasso 10 repeatedly, then at the position of lasso 10 contacted lasso inserting holes 220 therewith, and the inner peripheral surface (lasso is pushed position 236) of the retaining hole 231 of clamping components 230 produce abrasion, lasso keeps precise decreasing.At this moment, have the situation of necessary replacing clamping components 230 and/or device body 210.
More than, the 1st invention and the 2nd each embodiment of inventing are illustrated, but the invention is not restricted to above-mentioned embodiment, variable more various states.
For example, at above-mentioned embodiment, ferrule retainer, as keeping front end face by the lasso of PC polishing, but this ferrule retainer also can keep with respect to the lasso that optical axis is ground into vertical plane front end face, or front end face is ground into the lasso on the plane of oblique with respect to optical axis.
In addition, in above-mentioned embodiment 2-1, the otch groove is formed from the one end to other end linearity ground and extends, also can but with this otch groove, form retaining hole extended with V word shape as the summit.
In addition, as the lasso that remains on above-mentioned ferrule retainer, the situation that the lasso (illustrated situation) of the state that maintenance takes out in the plug of optical connector is arranged, situation with a plug part that keeps the installing optical connector, but, can avoid structure with the recess of the interference of plug etc. and keep by being provided with to avoid according to situation about being fit to separately.
And in the above-described embodiment, lasso is a zirconia ceramics system, maintain monotype type optical fiber at its axle center part, but about lasso, also the lasso that can form for other materials by stainless steel system or plastics system etc., about the optical fiber that keeps, also can be the optical fiber of multi-mode type.
In addition, ferrule retainer of the present invention is not limited to use at the micro-interference instrument apparatus, in the other machines of the inspection that is used in lasso etc., can be used for lasso is remained on the position etc. of regulation.
Claims (10)
1, a kind of optical fiber ferrule retainer is to be fixedly installed in the lasso of optical fiber end, to insert the fixing optical fiber ferrule retainer that keeps with the state of lasso inserting hole of lasso along its direction of principal axis, it is characterized in that,
Possess the device base portion and be installed in the retaining member of this device base portion replaceably,
Above-mentioned retaining member forms as one the sleeve part of tubular and the fixed part that is fixed in the said apparatus base portion, and has:
The lasso inserting hole, it connects above-mentioned sleeve part and fixed part and forms;
Cut apart groove, it is formed at the direction of principal axis or the Zhou Fangxiang vertical with direction of principal axis of this lasso inserting hole;
Push the position, its variable bit, so that, push the above-mentioned lasso side face that is inserted into this lasso inserting hole by this part of cutting apart the inner face of the above-mentioned lasso inserting hole that groove divides,
The said apparatus base portion possesses and applies the above-mentioned control member of pushing the external force of position displacement that makes above-mentioned retaining member;
Push pushing of position and keep being inserted in above-mentioned lasso in the above-mentioned lasso inserting hole according to above-mentioned, on the other hand, from said apparatus base portion dismounting said fixing portion and can load and unload and change above-mentioned retaining member.
2, optical fiber ferrule retainer according to claim 1 is characterized in that,
Above-mentioned retaining member is constituted as:
With above-mentioned lasso inserting hole in the end of end, lasso inserting side opposition side possess the above-mentioned groove of cutting apart that axially forms from this end;
At a side's of cutting apart the groove division by this above-mentioned position of pushing, the tabular displacement member edge and the direction of principal axis vertical direction of lasso inserting hole are extended and are provided with continuously;
With above-mentioned push the position practise physiognomy to and the opposing party's of being divided position is provided with the tabular said fixing portion of extending with above-mentioned displacement member reverse direction continuously;
At the end face of the sleeve part side of above-mentioned displacement member, effect is based on the aforesaid operations member, parallel with the direction of principal axis of the lasso inserting hole external force of pushing.
3, optical fiber ferrule retainer according to claim 1 is characterized in that,
Above-mentioned retaining member is constituted as:
With above-mentioned lasso inserting hole in the end of the opposite side in end, lasso inserting side near, possess the above-mentioned groove of cutting apart that forms along the Zhou Fangxiang vertical with direction of principal axis;
Be divided cutting apart groove by this, be positioned at the above-mentioned position of pushing of cutting apart the more close end of groove than this, tabular displacement member is along extending with the direction of principal axis vertical direction of lasso inserting hole and being provided with continuously;
With above-mentioned push the position practise physiognomy to and do not form the above-mentioned position of cutting apart groove, be provided with continuously along the tabular said fixing portion of extending with above-mentioned displacement member reverse direction;
At the end face of the sleeve part side of above-mentioned displacement member, effect is based on the aforesaid operations member, parallel with the direction of principal axis of lasso inserting hole traction external force.
4, optical fiber ferrule retainer according to claim 1 is characterized in that,
Above-mentioned retaining member is constituted as:
With the above-mentioned lasso inserting hole of above-mentioned sleeve part in the end of end, lasso inserting side opposition side be provided with said fixing portion continuously;
Possess the above-mentioned groove of cutting apart that axially forms from this end in the end, lasso inserting side of above-mentioned sleeve part, form the sleeve part of cutting apart a side of groove division by this at the above-mentioned position of pushing;
Push the push external force of position effect at this based on the direction aforesaid operations member, that the edge is vertical with lasso inserting hole direction of principal axis.
5, optical fiber ferrule retainer according to claim 1 is characterized in that,
Above-mentioned retaining member, with above-mentioned lasso inserting hole in the end of end, lasso inserting side opposition side possess the above-mentioned groove of cutting apart that axially forms from this end,
Form the sleeve part of cutting apart the side that groove is divided by this at the above-mentioned position of pushing, push the push external force of position effect based on the aforesaid operations member, vertical direction with lasso inserting hole direction of principal axis at this,
With above-mentioned the opposing party right, that the be divided position of practising physiognomy, position of pushing tabular said fixing portion is being set continuously.
6, a kind of optical fiber ferrule retainer will be fixedly mounted on the lasso of optical fiber end, remains on lasso with the state that inserts along its direction of principal axis and fixes with in the lasso inserting hole, it is characterized in that,
Possess device body and be installed in this device body and tabular clamping components keeping from the outstanding lasso leading section of said apparatus body with above-mentioned lasso inserting hole,
Above-mentioned clamping components possesses: retaining hole, and it is in the prolongation upper shed of above-mentioned lasso inserting hole; The otch groove, it extends to radiation 2 directions from this retaining hole, and an end is open in the open end of clamping components one side, and the other end is in apolipsis end closure; Fixed part, it is separated by this otch groove, and is fixed on the said apparatus body; Displacement part, it is faced mutually with this fixed part, and is divided into the center and displacement with this apolipsis end of above-mentioned otch groove,
The said apparatus body possesses the displacement adjustment part of the addendum modification of adjusting above-mentioned displacement part,
Above-mentioned displacement part, perimembranous in above-mentioned retaining hole, possess lasso and push the position, described lasso is pushed the position can be near moving with respect to perimembranous in this retaining hole of said fixing portion by the action of above-mentioned displacement adjustment part with leaving, and the lasso leading section that will insert the lasso inserting hole of said apparatus body is pushed from the direction vertical with the lasso direction of principal axis.
7, optical fiber ferrule retainer according to claim 6 is characterized in that,
Above-mentioned clamping components, the part that will contact with above-mentioned lasso is as removable miscellaneous part.
8, optical fiber ferrule retainer according to claim 7 is characterized in that,
Above-mentioned miscellaneous part is that the part at cylindrical shell has the axial vertical sleeve of cutting apart of cutting apart groove, and this is cut apart sleeve and also partly prolongs installing at the lasso inserting hole of said apparatus body.
9, according to each described optical fiber ferrule retainer in the claim 6～8, it is characterized in that,
Based on the position that applies of the above-mentioned displacement pressing force adjustment part, above-mentioned displacement part, be the position of more being partial to the open end of above-mentioned otch groove than the center of above-mentioned retaining hole.
10, according to each described optical fiber ferrule retainer in the claim 6～8, it is characterized in that,
Above-mentioned clamping components connects above-mentioned displacement part and said fixing portion by near the thinner wall section the apolipsis end of above-mentioned otch groove, and above-mentioned displacement part can be that displacement is carried out at the center with above-mentioned thinner wall section with respect to said fixing portion.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-244916 | 2007-09-21 | ||
| JP2007244917 | 2007-09-21 | ||
| JP2007244916A JP4808198B2 (en) | 2007-09-21 | 2007-09-21 | Optical fiber ferrule holding device |
| JP2007244917A JP4808199B2 (en) | 2007-09-21 | 2007-09-21 | Optical fiber ferrule holding device |
| JP2007-244917 | 2007-09-21 | ||
| JP2007244916 | 2007-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101393307A true CN101393307A (en) | 2009-03-25 |
| CN101393307B CN101393307B (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102151373A Expired - Fee Related CN101393307B (en) | 2007-09-21 | 2008-09-01 | Optical fiber ferrule retainer |
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| JP (1) | JP4808198B2 (en) |
| CN (1) | CN101393307B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003287654A (en) * | 2002-03-27 | 2003-10-10 | Honda Tsushin Kogyo Co Ltd | Optical receptacle |
| JP2004012931A (en) * | 2002-06-07 | 2004-01-15 | Fuji Photo Optical Co Ltd | Clamping device of ferrule, and microinterferometer device equipped with the same |
| JP4086290B2 (en) * | 2002-12-03 | 2008-05-14 | フジノン株式会社 | Ferrule clamping device and microscopic interferometer device having the same |
| JP2005069697A (en) * | 2003-08-25 | 2005-03-17 | Fujinon Corp | Ferrule measuring method by microinterferometer apparatus |
| JP2007178980A (en) * | 2005-11-29 | 2007-07-12 | Kyocera Corp | Ferrule holder and eccentricity measuring apparatus using the same |
-
2007
- 2007-09-21 JP JP2007244916A patent/JP4808198B2/en not_active Expired - Fee Related
-
2008
- 2008-09-01 CN CN2008102151373A patent/CN101393307B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4808198B2 (en) | 2011-11-02 |
| JP2009074961A (en) | 2009-04-09 |
| CN101393307B (en) | 2011-01-19 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110119 Termination date: 20190901 |