CN212483912U

CN212483912U - Clamping and butting device of optical fiber fusion splicer

Info

Publication number: CN212483912U
Application number: CN202020856686.5U
Authority: CN
Inventors: 刘文彬; 陈宇
Original assignee: Anhui Bohao Precision Instrument Co ltd
Current assignee: Anhui Bohao Precision Instrument Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-05
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to the technical field of light fusion splicers, in particular to a clamping and butting device of an optical fiber fusion splicer; the clamp comprises two clamp bodies which are in mirror symmetry, a bidirectional screw rod and a driving motor, wherein the clamp bodies comprise a lower clamping block and an upper cover plate, rotating pieces are fixedly connected to the front end surface and the rear end surface of the lower clamping block, two lugs are fixedly connected to the rear end surface of the upper cover plate, a rotating shaft is fixedly connected to the lugs, the outer end of the rotating shaft is rotatably connected with the rotating pieces, a torsion spring is arranged on the outer side of the circumference of the rotating shaft, two ends of the torsion spring are respectively fixedly connected with the lugs and the rotating pieces, and arc-shaped clamping grooves which correspond to each other are formed in the upper surface of the lower; the utility model discloses an optical fiber splicer presss from both sides tight interfacing apparatus and presss from both sides tight when docking to the optical fiber end, and it is easy operation not only, swift, presss from both sides tightly moreover and docks the effect excellence, has effectively guaranteed the quality after the optical fiber end butt fusion.

Description

Clamping and butting device of optical fiber fusion splicer

Technical Field

The utility model relates to a light splicer technical field specifically discloses an optical fiber splicer presss from both sides tight interfacing apparatus.

Background

The optical fiber fusion splicer is mainly used for construction and maintenance of optical cables in optical communication, and is used for melting the sections of two optical fibers through a high-voltage electric arc and simultaneously gently pushing the two optical fibers by using a high-precision movement mechanism to fuse the two optical fibers into one optical fiber so as to realize coupling of an optical fiber mode field. The end parts of two optical fibers to be welded need to be clamped in the process of optical fiber welding, if the clamping effect is insufficient, the optical fibers can slide relatively in the clamp when the two optical fibers move close to each other, and the welding quality is seriously affected. At present, anchor clamps on the market divide into upper cover plate and clamp splice down, and the upper cover plate is fixed with realizing through the magnetic stripe down between the clamp splice, because the magnetic stripe adsorption affinity is limited, leads to pressing from both sides tight effect not good.

The utility model with the patent number of CN208351049U discloses an optical fiber clamp for an optical fiber fusion splicer, which comprises a pressing strip, a spring, a threaded rod, a groove, a water outlet pipe, a first flange plate, a hollow cavity, a water inlet pipe and a second flange plate, wherein the pressing strip is assembled at the lower side of a clamping cover, the pressing strip is arranged at the lower side of the groove, the threaded rod is arranged at the upper end surface of the clamping cover, the lower end of the threaded rod extends into the groove, the upper end of the spring is arranged at the upper end surface inside the groove, and the lower end of the spring is arranged at the upper end surface of the pressing strip; this light splicer's optic fibre clamp complex operation in the use, need rotatory threaded rod to compress tightly it, the screw in distance difference of threaded rod also can lead to pressing from both sides tight effect difference moreover, when the threaded rod screw in distance was not enough, its optic fibre will produce the slip near the removal in-process each other, influences its butt fusion quality. Therefore, in order to overcome the above defects of the clamping device of the existing optical fiber fusion splicer, it is a technical problem to be solved to design a clamping and docking device of the optical fiber fusion splicer, which can rapidly clamp and has an excellent clamping effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the aforesaid of present optical fiber splicer with the optical fiber clamp not enough, designing one kind can the tight, and press from both sides tight excellent optical fiber splicer of tight effect of clamp and press from both sides tight interfacing apparatus fast.

The utility model discloses a realize through following technical scheme:

an optical fiber splicer presss from both sides tight interfacing apparatus, includes two mirror symmetry's anchor clamps, two-way lead screw and driving motor, anchor clamps include clamp splice and upper cover plate down, both ends fixedly connected with rotation piece around the rear end face of clamp splice down, fixedly connected with two lugs on the rear end face of upper cover plate, fixedly connected with pivot on the lug, the outer end of pivot is rotated with rotation piece and is connected, is located the circumference outside of pivot is provided with the torsional spring, the both ends of torsional spring respectively with lug, rotation piece fixed connection, the upper surface of clamp splice and the lower surface of upper cover plate all set up the arc clamping groove that corresponds to each other, the preceding terminal surface of upper cover plate is connected with the riser, the lower extreme of riser is connected with the oblique picture peg of elasticity, be provided with a plurality of springs between the medial surface of the oblique picture peg of elasticity and the lateral surface of riser, the upper end of the oblique picture peg of elasticity, a rectangular notch is formed in the front end face of the lower clamping block, a U-shaped clamping strip is connected to the upper end of the rectangular notch, and an insertion bayonet capable of being inserted into the elastic oblique inserting plate is formed between the U-shaped clamping strip and the rectangular notch;

the lower extreme fixedly connected with fixed block of clamp splice down, set up on the fixed block with two-way lead screw on correspond external screw thread matched with screw hole, two-way lead screw passes the screw hole setting, the left end of two-way lead screw is provided with driven gear, be provided with the driving gear on driving motor's the output shaft, driving gear and driven gear intermeshing, the right-hand member of two-way lead screw is provided with the bearing, the left end of two-way lead screw is provided with the bearing frame.

As a further arrangement of the scheme, the arc-shaped clamping groove is divided into an outer skin layer arc-shaped clamping groove and an inner core layer arc-shaped clamping groove; in the clamping process of the optical fiber clamp, the outer skin layer arc-shaped clamp groove can clamp the optical fiber coated with the outer skin layer, the inner core layer arc-shaped clamp groove can clamp the optical fiber inner core stripped of the skin layer, and the clamping effect is better through segmented clamping.

As a further arrangement of the scheme, the anti-skid insections are arranged on the inner wall of the arc-shaped clamping groove of the outer skin layer on the lower clamping block, and the anti-skid insections can increase the clamping force between the outer skin layers of the optical fibers on the premise of not influencing the quality of the inner core of the optical fibers.

As a further arrangement of the above scheme, an inclined insertion surface matched with the elastic inclined insertion plate is arranged at the upper end of the inner side of the outer end surface of the U-shaped clamping strip; the inclined insertion surface can smoothly guide the elastic inclined insertion plate into the U-shaped clamping strip.

As a further arrangement of the scheme, two dovetail slide bars are arranged on the lower surfaces of the lower clamping blocks positioned on two sides of the fixed block; the dovetail slide bar of the optical fiber fusion splicer is matched with the dovetail sliding groove of the optical fiber fusion splicer, so that the two clamps can be prevented from shifting in the moving process, and therefore the two optical fiber ends are guaranteed to be constantly aligned in the fusion splicing process.

Has the advantages that:

1. the utility model discloses when treating the butt fusion of welded fiber end, only need put into the arc clamping groove with the optic fibre tip, then directly cover the upper cover plate on the clamp splice down, its elasticity oblique picture peg can insert wherein along U type card strip, when the upper cover plate is totally closed on the clamp splice down, the strip of support of its elasticity oblique picture peg upper end is butted with the lower terminal surface of U type card strip, thereby can play the fixed action to the upper cover plate, only need to press the elasticity oblique picture peg inwards after the butt fusion is accomplished, until the strip breaks away from the lower terminal surface of U type card strip, its upper cover plate can bounce fast under the effect of torsional spring this moment; compared with the prior art, the optical fiber fusion splicing device has the advantages that the operation is simpler and faster, the clamping effect between the upper cover plate and the lower clamping block is better due to the abutting action between the abutting strip and the lower end face of the U-shaped clamping strip, the optical fibers in the whole optical fiber fusion splicing process cannot move relatively, and the fusion splicing quality is effectively guaranteed;

2. the utility model discloses a driving motor drives a two-way lead screw and rotates, and its two anchor clamps are because on the fixed block with it complex screw hole effect, in opposite directions or back of the body motion when can realizing two anchor clamps, its motion goes on in step, and through the spacing sliding action between the forked tail spout on the forked tail draw runner that sets up and the optical fiber splicer casing in addition, can make the optical fiber end more accurate, the non-deviation at the butt joint in-process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a three-dimensional structure of the present invention;

fig. 2 is a perspective view of the clamp of the present invention in a first state;

figure 3 is a perspective view of the second state of the middle clamp of the present invention

Fig. 4 is an enlarged structural view at a in fig. 2.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", and,

The terms "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like, refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 4, in conjunction with the embodiments.

Example 1

Embodiment 1 describes an optical fiber fusion splicer clamping and butting device, and referring to fig. 1, the main structure of the device comprises two clamps 1 arranged in a mirror symmetry manner, a bidirectional screw 2 and a driving motor 3. Referring to fig. 2 and fig. 3, the clamp 1 includes a lower clamping block 101 and an upper cover plate 102, a rotating member 103 is fixedly connected to both front and rear ends of a rear end surface of the lower clamping block 101, two lugs 104 are fixedly connected to a rear end surface of the upper cover plate 102, a rotating shaft 105 is fixedly connected to the lugs 104, an outer end of the rotating shaft 105 is rotatably connected to the rotating member 103, and a rotating covering function between the lower clamping block 101 and the upper cover plate 102 can be realized through the rotating shaft 105. Meanwhile, a torsion spring 106 is arranged on the outer side of the circumference of the rotating shaft 105, and two ends of the torsion spring 106 are fixedly connected with the lug 104 and the rotating member 103 respectively, and the torsion spring 106 can keep the opening state between the lower clamping block 101 and the upper cover plate 102 under the state without external force.

Referring to fig. 1 or fig. 2, arc-shaped clamping grooves corresponding to each other are respectively formed in the upper surface of the lower clamping block 101 and the lower surface of the upper cover plate 102, the arc-shaped clamping grooves are divided into an outer skin layer arc-shaped clamping groove 107 and an inner core layer arc-shaped clamping groove 108, and anti-skid insections 109 are formed in the inner wall of the outer skin layer arc-shaped clamping groove 107 of the lower clamping block 101.

Referring to fig. 2, 3 and 4, a vertical plate 4 is connected to the front end surface of the upper cover plate 102, an elastic oblique inserting plate 5 is connected to the lower end of the vertical plate 4, a plurality of springs 6 are arranged between the inner side surface of the elastic oblique inserting plate 5 and the outer side surface of the vertical plate 4, the elastic oblique inserting plate 5 bends towards the vertical plate 4 when being pressed, a supporting strip 7 is connected to the upper end of the elastic oblique inserting plate 5, and the supporting strip 7 is in a horizontal state and perpendicular to the vertical plate 4. The front end face of the lower clamping block 101 is provided with a rectangular notch 110, the upper end of the rectangular notch 110 is connected with a U-shaped clamping strip 8, an insertion bayonet capable of being inserted into the elastic oblique inserting plate 5 is formed between the U-shaped clamping strip 8 and the rectangular notch 110, and meanwhile, the upper end of the inner side of the outer end face of the U-shaped clamping strip 8 is provided with an oblique inserting face 801 matched with the elastic oblique inserting plate 5.

Referring to fig. 1 and fig. 3, a fixing block 9 is fixedly connected to a lower end of the lower clamping block 101, a threaded hole 901 matched with a corresponding external thread on the bidirectional screw rod 2 is formed in the fixing block 9, the bidirectional screw rod 2 simultaneously penetrates through the threaded holes 901 on the two clamps 1, a driven gear 10 is arranged at a left end of the bidirectional screw rod 2, a driving gear 11 is arranged on an output shaft of a driving motor 3, the driving gear 11 and the driven gear 10 are meshed with each other, a bearing 12 is arranged at a right end of the bidirectional screw rod 2, the bearing 12 is arranged on an end face of a shell of the optical fiber fusion splicer, a bearing seat 13 is arranged at a left end of the bidirectional screw rod 2, and the bearing seat 13 is arranged on the shell of the.

Finally, in order to make the two clamps 1 butt-jointed close to each other according to the precision, two dovetail slide bars 14 are provided on the lower surface of the lower clamp block 101 on both sides of the fixed block 9, and the dovetail slide bars 14 can slide along dovetail slide grooves (not shown in the figure) on the housing of the optical fiber fusion splicer.

The utility model discloses a concrete implementation is used

Firstly, peeling off coatings of two optical fiber ends to be welded, wiping the coatings by using cotton dipped with a small amount of alcohol, and cutting the bare optical fiber inner core to a fixed length;

then, the processed optical fiber end is placed into an arc-shaped clamping groove, attention is paid to that the optical fiber coated with the cladding layer is placed into an outer-skin layer arc-shaped clamping groove 107, the bare optical fiber inner core is placed into an inner-core layer arc-shaped clamping groove 108, then the upper cover plate 102 is pressed down, so that the elastic oblique inserting plate 5 is inserted into an insertion bayonet formed between the U-shaped clamping strip 8 and the rectangular notch 110, and the abutting strip 7 is abutted and fixed with the lower end of the U-shaped clamping strip 8 (refer to fig. 3);

then, the box cover of the optical fiber fusion splicer is integrally closed, the driving motor 3 is controlled to rotate through the control panel, the two clamps 1 are close to each other under the action of the threaded holes 901 and the bidirectional screw rod 2, and meanwhile, the two electrode heads are controlled to be fused;

finally, the box cover of the optical fiber fusion splicer is opened after the fusion splicing is completed, the elastic oblique inserting plate 5 is pressed inwards only by a thumb, so that the lower ends of the abutting strips 7 and the U-shaped clamping strips 8 are slipped, the upper cover plate 102 is rebounded quickly under the action of the torsion spring (refer to the attached drawing 2), and the fused optical fiber splicer is taken down to coat the optical fiber splicer.

The utility model discloses an optical fiber splicer presss from both sides tight interfacing apparatus and presss from both sides tight when docking to the optical fiber end, and it is easy operation not only, swift, presss from both sides tightly moreover and docks the effect excellence, has effectively guaranteed the quality after the optical fiber end butt fusion.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An optical fiber splicer presss from both sides tight interfacing apparatus, includes two mirror symmetry's anchor clamps, two-way lead screw and driving motor, its characterized in that, anchor clamps include clamp splice and upper cover plate down, both ends fixedly connected with rotation piece around the rear end face of clamp splice down, fixedly connected with two lugs on the rear end face of upper cover plate, fixedly connected with pivot on the lug, the outer end of pivot rotates with the rotation piece and is connected, is located the circumference outside of pivot and is provided with the torsional spring, the both ends of torsional spring respectively with lug, rotation piece fixed connection, the arc double-layered groove that corresponds to each other has all been seted up on the upper surface of clamp splice down and the lower surface of upper cover plate, the preceding terminal surface of upper cover plate is connected with the riser, the lower extreme of riser is connected with the oblique picture peg of elasticity, be provided with a plurality of springs between the medial surface, the upper end of the elastic oblique inserting plate is connected with a supporting strip perpendicular to the vertical plate, a rectangular notch is formed in the front end face of the lower clamping block, the upper end of the rectangular notch is connected with a U-shaped clamping strip, and an inserting bayonet capable of being inserted into the elastic oblique inserting plate is formed between the U-shaped clamping strip and the rectangular notch;

2. The clamping and butting device for optical fiber fusion splicers according to claim 1, wherein the arc-shaped clamping grooves are divided into outer-skin-layer arc-shaped clamping grooves and inner-core-layer arc-shaped clamping grooves.

3. The clamping and butting device for the optical fiber fusion splicer according to claim 2, wherein anti-skid insections are arranged on the inner wall of the arc-shaped clamping groove of the outer skin layer on the lower clamping block.

4. The clamping and butting device for the optical fiber fusion splicer according to claim 1, wherein an inclined insertion surface matched with the elastic inclined insertion plate is formed at the upper end of the inner side of the outer end surface of the U-shaped clamping strip.

5. The clamping and butting device for the optical fiber fusion splicer according to claim 1, wherein two dovetail slide bars are arranged on the lower surface of the lower clamping block on two sides of the fixing block.