CN213934288U

CN213934288U - Optical fiber splicer of unilateral two-way regulation

Info

Publication number: CN213934288U
Application number: CN202120223191.3U
Authority: CN
Inventors: 罗春晖
Original assignee: Signal Fire Technology Co ltd
Current assignee: Signal Fire Technology Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-08-10
Anticipated expiration: 2031-01-27

Abstract

The utility model relates to an optical fiber splicer technical field, concretely relates to unilateral two-way regulation's optical fiber splicer, including adjustment mechanism and optical fiber seat, the optical fiber seat is used for placing or fixing optic fibre, the optical fiber seat includes first optical fiber seat and second optical fiber seat, first optical fiber seat is fixed to be set up, adjustment mechanism includes body frame, first top actuating mechanism, second top actuating mechanism and elastic adjustment piece, elastic adjustment piece one end is connected second optical fiber seat, other end fixed connection the body frame, first top actuating mechanism and second top actuating mechanism can promote respectively from two directions the elastic adjustment piece takes place elastic deformation and makes second optical fiber seat do the motion of X direction and Y direction and then make optic fibre align in fixed position, therefore X, Y need not to adjust to camera shooting mechanism, need not to set up corresponding position control structure again, the manufacturing cost and the assembly difficulty of the optical fiber fusion splicer are obviously reduced.

Description

Optical fiber splicer of unilateral two-way regulation

Technical Field

The utility model relates to an optical fiber splicer technical field, especially an optical fiber splicer of unilateral bidirectional adjustment.

Background

The optical fiber fusion splicer is mainly used in communication cables, and utilizes electrode discharge to melt the sections of two optical fibers to be fused, and simultaneously utilizes a motion mechanism to connect and fuse the two optical fibers with the melted sections into a continuous optical fiber. The fusion quality of the two optical fibers directly determines the signal transmission quality of the line, so the precision requirement of the optical fiber fusion is higher. The section size of optic fibre is less, and in order to realize accurate butt joint, the optical fiber splicer generally is equipped with X to making a video recording mechanism and Y to making a video recording the mechanism, wherein X to making a video recording the orientation of mechanism with Y to the present two of referring to, X all has the contained angle to and level and vertical direction, and Y all has the contained angle to and level and vertical direction, and X to and Y to being two nonparallel directions. The X is to making a video recording the mechanism and the Y is to making a video recording the fusion splice position of shooting two optic fibre of mechanism alignment, and the rethread display enlargies the feedback to operating personnel so that observe, and operating personnel finely tunes the position of both sides optic fibre through X to adjustment mechanism and Y to adjustment mechanism, makes the section of two optic fibres aim at in order to promote the fusion splice quality. One problem that current optical fiber splicer exists is: because the optical fiber seats on the two sides can move, the positions of the fusion adjustment alignment of the optical fibers are random and different each time in the process of fusion of the optical fibers, and the camera possibly needs to be adjusted to align the fusion position of the optical fibers, so that the camera mechanism must be provided with a special high-precision camera position and angle adjusting mechanism, and the assembly difficulty and the manufacturing cost of the optical fiber fusion splicer are obviously increased.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: the utility model provides a need not to adjust the camera position, need not to set up camera position and angle adjustment mechanism promptly the low-cost and the low problem of assembling the degree of difficulty of camera position and angle adjustment mechanism that the optical fiber splicer is provided, lead to at a plurality of optical fiber splices' in-process at the optical fiber splices of in-process that the butt fusion of optic fibre was adjusted at every turn, lead to the position random and different, lead to setting up high accuracy camera position and angle adjustment mechanism, and then make the cost and the assembly degree of difficulty of optical fiber splicer obviously rise.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides an optical fiber splicer of unilateral two-way regulation, includes adjustment mechanism and optical fiber seat, the optical fiber seat is used for placing or fixed optic fibre, the optical fiber seat includes first optical fiber seat and second optical fiber seat, first optical fiber seat is fixed to be set up, adjustment mechanism includes body frame, first to top actuating mechanism, second to top actuating mechanism and elastic adjustment spare, elastic adjustment spare one end is connected second optical fiber seat, other end fixed connection the body frame, first to top actuating mechanism with the second can promote from two directions respectively to top actuating mechanism elastic deformation makes the second optical fiber seat can be X to and the motion of Y to.

This technical scheme provides an optical fiber splicer of unilateral two-way regulation, wherein, the unilateral indicates: the optical fiber seats are used for placing or fixing two optical fibers and are respectively arranged along two sides of the fusion position of the two optical fibers, and the optical fiber seat on one side is adjusted to realize the butt joint of the two optical fibers. In order to achieve the purpose, in the technical scheme, the adjusting mechanism comprises a main frame and an elastic adjusting piece. The main frame is a bearing and supporting structure of each mechanism. The elastic adjusting piece is an elastic body and can be elastically deformed under the action of external force, and the default shape can be restored after the external force is cancelled. Elastic adjusting part one end with the second optic fibre seat is connected, the other end with body frame fixed connection, through this setting, the elastic adjusting part drives promptly when taking place elastic deformation the motion of second optic fibre seat has played the technological effect of adjusting the position of second optic fibre seat promptly. In order to enable the elastic adjusting piece to generate elastic deformation, the adjusting mechanism is further provided with a first butting mechanism and a second butting mechanism, the first butting mechanism and the second butting mechanism respectively push the elastic adjusting piece to generate elastic deformation in two directions, and the second optical fiber seat is enabled to move in the X direction and the Y direction under the matching of the first butting mechanism and the second butting mechanism, so that the one-side two-way adjustment of the optical fiber fusion splicer is realized. Wherein X and Y refer to the orientation of the two cameras of the fusion splicer, and X and Y are two non-parallel directions, and are conventional arrangements of fusion splicers, as will be understood by those skilled in the art. The two directions in which the first jacking mechanism and the second jacking mechanism respectively push the elastic adjusting piece in two directions are understood that the pushing directions of the first jacking mechanism and the second jacking mechanism are different and not parallel. The first jacking mechanism and the second jacking mechanism can respectively push the elastic adjusting piece and finally drive the second optical fiber seat to do X-direction and Y-direction or X-direction and Y-direction compound motion. The first and second jacking mechanisms may be general motion mechanisms, and the first and second jacking mechanisms are common mechanisms in mechanical assemblies, so that the technical solution is not specifically described herein, but is not affected by those skilled in the art. Similarly, the elastic adjusting member is also a common elastic structure, which should have a certain elastic deformation capability, and may be, for example, rubber, metal, etc. Considering that the displacement of the optical fiber adjustment is small, a material with a larger elastic modulus should be selected, and it is common knowledge in the art for those skilled in the art to combine the elastic adjustment member actually selected from proper materials.

Under the above arrangement, the position of the first optical fiber seat is fixed, and the position of the second optical fiber seat only needs to be adjusted in the process of adjusting the fusion position of the optical fibers, so that when the optical fibers on two sides are aligned, the position of fusion splicing at each time is inevitably a relatively fixed position, and the position is determined by the fixed first optical fiber seat, therefore, the camera shooting mechanism of the optical fiber fusion splicer can be fixedly arranged, a special adjusting mechanism does not need to be arranged for the camera shooting mechanism, and the assembly difficulty and the manufacturing cost of the optical fiber fusion splicer can be remarkably reduced.

As the utility model discloses a preferred scheme, first jacking mechanism promotes along vertical direction or horizontal direction elasticity regulating part, the second is to jacking mechanism promotes the direction of elasticity regulating part with first jacking mechanism promotes the direction of elasticity regulating part is 10 to 90 contained angles. The first ejection mechanism pushes the elastic adjusting piece in the vertical or horizontal direction, so that the elastic adjusting piece is easier to set and more stable in structure. Simultaneously, in order to play the technical effect that the second optical fiber seat is pushed to do the motion in X direction and Y direction, the second is further set up the second is to pushing up actuating mechanism and is pushing up the direction of elastic adjusting piece with first is pushing up actuating mechanism and is pushing up the direction of elastic adjusting piece and be 10 to 90 contained angles.

As the preferred scheme of the utility model, first jacking mechanism upwards promotes along vertical direction the elasticity regulating part, second jacking mechanism upwards promotes along X to or Y the elasticity regulating part. Under the arrangement, the first jacking mechanism is vertically arranged, so that the implementation is easier, and the structure is more stable. Because of X all has the contained angle to and level and vertical direction, Y all has the contained angle to and level and vertical direction, so the second is to the top actuating mechanism promotion the direction of elasticity adjusting part with first top actuating mechanism promotes along vertical direction there is the contained angle in the direction of elasticity adjusting part, in addition, the second is to the top actuating mechanism X to or Y to promoting the elasticity adjusting part can manipulate more easily the movement track of second optic fibre seat.

As a preferred embodiment of the present invention, the elastic adjustment member includes a first main body and a second main body, the second main body is connected to the second optical fiber holder, and the first main body and the second main body constitute a bending elastic adjustment member. This technical scheme prescribes a limit the structure of elasticity regulating part, further prescribes an elasticity regulating part is the structure of buckling, and it lies in that elasticity regulating part is the structure of buckling, when receiving the thrust that comes from first to the top-action mechanism with the different directions that second to the top-action mechanism applyed, can set up thrust vertically or almost perpendicularly act on the contact surface correspondingly to promote the promotion effect, reduce the thrust that first to the top-action mechanism and second to the top-action mechanism needs the output, also can avoid skidding.

It should be noted that, in the present application, the first body and the second body are not bent structures themselves, and therefore, in the above definition, the elastic adjusting member should be regarded as a bent structure with a middle portion, and only one bending position and two bending edges exist.

As a preferable embodiment of the present invention, the first body and the second body constitute an L-shaped elastic adjustment member. The technical scheme limits that the elastic adjusting piece is L-shaped, and the L-shaped elastic adjusting piece easily ensures that the thrust acts on the contact surface vertically or almost vertically. The space structure required by the structure is smaller, so that the welding machine can be designed more compactly, the deformation direction of the welding machine is basically consistent with the direction of thrust, the welding machine is convenient to operate practically, and the welding machine is more conventional in shape structure and convenient to produce practically.

As the preferred scheme of the utility model, the elasticity adjusting part is the metal component, be equipped with in the elasticity adjusting part and run through double-phase opposite undercut portion. The technical scheme limits the elastic adjusting piece to be a metal component, the metal elastic modulus is large, and the deformation amount generated under the same external force is small, so that the precision is high. In addition, because the metal elastic modulus is large, a hollow part penetrating through two opposite sides is further arranged in the elastic adjusting piece, the thrust required by the same deformation of the elastic adjusting piece can be reduced through the arrangement, the deformation amount of the elastic adjusting piece under the unit thrust can be flexibly adjusted through the hollow parts with different positions, sizes and quantities, and the corresponding arrangement can be carried out according to actual needs, so that the metal elastic modulus adjusting piece has good practicability.

As a preferable aspect of the present invention, the elastic adjustment member is a cupronickel member. The technical scheme limits that the elastic adjusting piece is a cupronickel component, the cupronickel elastic modulus is large, and the deformation amount generated under the same external force is small, so that the cupronickel component has high precision, is excellent in mechanical property and meets the requirement of long-term use.

As the utility model discloses a preferred scheme, first to the top actuating mechanism include first to lead screw and first to actuating mechanism, first to the actuating mechanism drive first to lead screw axial motion, second to the top actuating mechanism includes second to lead screw and second to actuating mechanism, the second is to the actuating mechanism drive second is to lead screw axial motion, first to the lead screw with the second is to the lead screw promotes respectively elastic deformation takes place for the elastic adjusting piece. The technical scheme provides the arrangement of the first jacking mechanism and the second jacking mechanism, and the first jacking mechanism drives the first feed screw rod to move axially and the like, which are conventional means in the field. The first guide screw and the second guide screw are high in precision and small in friction force, and the requirement for adjusting the optical fiber position of the optical fiber fusion splicer is met.

As the utility model discloses a preferred scheme, the body frame supports to be connected optical fiber splicer's X is to making a video recording the mechanism and the Y is to making a video recording the mechanism. The body frame supports X, Y simultaneously and makes a video recording the mechanism and other adjustment mechanism subassemblies, and each mechanism connects more firmly, and overall structure is compacter simple.

As the utility model discloses an optimal scheme, first optic fibre seat with second optic fibre seat all includes connecting seat and V type groove, the connecting seat upper end sets up V type groove, the connecting seat lower extreme of second optic fibre seat is connected the elasticity regulating part. The V-shaped groove is used for placing optical fibers.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the adjusting mechanism is only used for controlling and adjusting the position of the second optical fiber seat, when the optical fiber fusion splicer is used, the optical fibers on the second optical fiber seat are aligned with the optical fibers of the first optical fiber seat through the adjustment of the adjusting mechanism in the X direction and the Y direction, and the aligned positions of the two optical fibers are fixed due to the fixed position of the first optical fiber seat, so that the X, Y of the optical fiber fusion splicer does not need to be adjusted to the position of the camera shooting mechanism, namely, a X, Y position adjusting structure for the camera shooting mechanism does not need to be additionally arranged, and the manufacturing cost and the assembly difficulty of the optical fiber fusion splicer can be obviously reduced;

2. a metal component with a larger elastic modulus is arranged as the elastic adjusting piece, and the displacement adjusting amount generated under the same thrust is smaller, so that the adjusting precision is higher;

3. set up in the elasticity adjusting part of great elastic modulus draw out the portion of empting, can reduce the elasticity adjusting part produces the required thrust of the same deformation volume, consequently, sets up through nimble draw out the portion of empting can correspond the size that the adjustment displacement volume corresponds required thrust, has fine practicality.

Drawings

Fig. 1 is a schematic perspective view of an optical fiber fusion splicer according to the present application;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic front view of an optical fiber fusion splicer according to the present application;

FIG. 4 is a schematic front view of the adjusting mechanism and the fiber holder of the present application;

FIG. 5 is a schematic front view of the fiber holder and the adjustment mechanism without the mainframe according to the present application;

FIG. 6 is a front view of the elastic adjustment member of the present application;

FIG. 7 is a schematic diagram of a manner in which the adjustment mechanism adjusts the fiber holder according to the present application.

The labels in the figure are: 1-adjusting mechanism, 11-main frame, 12-first jacking mechanism, 121-first jacking rod, 122-first driving mechanism, 13-second jacking mechanism, 131-second jacking rod, 132-second driving mechanism, 14-elastic adjusting piece, 141-first main body, 142-second main body, 143-hollowed part, 2-X direction camera shooting mechanism, 3-Y direction camera shooting mechanism, 4-optical fiber seat, 41-connecting seat, 42-V-shaped groove, 43-first optical fiber seat, 44-second optical fiber seat, 5-X direction electrode, 6-Y direction electrode and 7-optical fiber.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Examples

The embodiment provides an optical fiber fusion splicer with one-side bidirectional adjustment. As shown in fig. 1 and 2, the optical fiber fusion splicer comprises a conventional X-direction electrode 5, a conventional Y-direction electrode 6, a conventional X-direction imaging mechanism 2, a conventional Y-direction imaging mechanism 3, an optical fiber holder 4 and an adjusting mechanism 1.

As shown in fig. 1 to 4, the optical fiber holders 4 are two, namely, a first optical fiber holder 43 and a second optical fiber holder 44, the first optical fiber holder 43 and the second optical fiber holder 44 both include a connection holder 41 and a V-shaped groove 42, the V-shaped groove 42 is disposed at the upper end of the connection holder 41, and the optical fibers 7 to be fusion-spliced are respectively placed in the V-shaped grooves 42 of the first optical fiber holder 43 and the second optical fiber holder 44. The X-direction electrode 5 and the Y-direction electrode 6 discharge the fused optical fiber 7 by using the arc respectively, and before the fused optical fiber 7 is discharged, the position of the second optical fiber holder 44 needs to be adjusted by the adjusting mechanism 1 so that the fusion-spliced end faces of the two optical fibers 7 to be fusion-spliced are aligned. Because the size of the welding end face of the optical fiber 7 is small, the welding positions of the two optical fibers 7 are aligned and shot by the X-direction camera 2 and the Y-direction camera 3, and then the welding positions are amplified and fed back to an operator through a display so as to be convenient to observe and adjust the welding positions of the aligned optical fibers 7.

The X-direction electrode 5 and the Y-direction electrode 6 refer to corresponding electrodes respectively located on the frames of the X-direction imaging mechanism 2 and the Y-direction imaging mechanism 3, and the name "X-direction" or "Y-direction" does not mean that the two electrodes have directionality.

In this embodiment, the adjustment of the fusion position of the optical fiber 7 is performed by the adjusting mechanism 1.

As shown in fig. 3 and 4, in the present embodiment, the adjustment mechanism 1 includes a main frame 11, a first abutting mechanism 12, a second abutting mechanism 13, and an elastic adjustment member 14. The main frame 11 is connected with the first jacking mechanism 12, the second jacking mechanism 13 and the elastic adjusting piece 14 in a supporting mode. Meanwhile, the main frame 11 supports and connects the X-direction imaging mechanism 2 and the Y-direction imaging mechanism 3, and the X-direction electrode 5, the Y-direction electrode 6, the first optical fiber holder 43, and other mechanisms are disposed on the frames of the X-direction imaging mechanism 2 and the Y-direction imaging mechanism 3. The structure of the optical fiber fusion splicer is more compact through the arrangement of the common supporting structure.

The connecting seat 41 of the first optical fiber seat 43 is fixedly connected with the frames of the X-direction imaging mechanism 2 and the Y-direction imaging mechanism 3, and the positions of the connecting seat are fixed. The connecting seat 41 of the second optical fiber seat 44 is fixedly connected to the elastic adjusting member 14, and the position of the second optical fiber seat 44 changes along with the deformation of the elastic adjusting member 14, that is, the position of the optical fiber 7 on the second optical fiber seat 44 is adjusted in the above manner.

As shown in fig. 5 and 6, the elastic adjustment member 14 includes a first body 141 and a second body 142, and the first body 141 and the second body 142 are vertically connected to form an L-shaped elastic adjustment member 14. The first body 141 and the second body 142 are made of cupronickel members. A hollowed part 143 is arranged in the middle of the first body 141, and the hollowed part 143 penetrates through two pairs of side surfaces of the first body 141; similarly, a hollow portion 143 is disposed in the middle of the second body 142, and the hollow portion 143 penetrates through two pairs of side surfaces of the second body 142. The setting of the hollowed part 143 reduces the external force required to be applied by elastic deformation of the elastic adjusting piece 14, and the hollowed part 143 is used for accurately controlling the external force generated by elastic deformation of the elastic adjusting piece 14, so that the adjusting precision of the adjusting mechanism 1 can be controlled.

The first jacking mechanism 12 comprises a first jacking rod 121 and a first driving mechanism 122, the first driving mechanism 122 drives the first jacking rod 121 to move axially, the second jacking mechanism 13 comprises a second jacking rod 131 and a second driving mechanism 132, and the second driving mechanism 132 drives the second jacking rod 131 to move axially. The first direction driving mechanism 122 and the second direction driving mechanism 132 each include a motor, a control unit, a transmission member, and other conventional structures, and the specific implementation method thereof belongs to the conventional technical means in the field, and is not described herein again, and those skilled in the art can make appropriate settings.

The main frame 11 is provided with a plane and an inclined plane, the first pushing mechanism 12 is arranged on the plane of the main frame 11, the plane is a horizontal plane, and the second pushing mechanism 13 is arranged on the inclined plane of the main frame 11. The first pushing mechanism 12 pushes the first body 141 of the elastic adjustment member 14 in a vertical direction through the first feed screw 121. The second urging mechanism 13 urges the second body 142 of the elastic adjusting member 14 in the Y direction through the second urging screw 131. The first pushing mechanism 12 and the second pushing mechanism 13 can respectively push the elastic adjusting member 14 from two directions to elastically deform, so that the second optical fiber holder 44 moves in the X direction and the Y direction. Referring to the present embodiment, in other embodiments, the included angle between the two directions should be controlled to be as small as 10 ° to 90 ° to obtain better pushing effect and more compact space.

With the above arrangement, as shown in fig. 7, the first abutting-against mechanism 12 and the second abutting-against mechanism 13 push the elastic adjusting member 14 to be elastically deformed, so that the second optical fiber holder 44 moves in the X direction and the Y direction. Under the action of the camera mechanism and the display, the operator can adjust the second fiber holder 44 to move in the X direction and the Y direction, so that the fusion spliced end face of the optical fiber 7 on the second fiber holder 44 is aligned with the fusion spliced end face of the optical fiber 7 on the first fiber holder 43.

Through the arrangement, the first optical fiber seat 43 is fixed in position, the adjusting mechanism 1 is provided with the first upward pushing mechanism 12, the second upward pushing mechanism 13 and the elastic adjusting piece 14, so that the second optical fiber seat 44 can independently move in the X direction and the Y direction, the structure is simple and compact, the cost is low, the second optical fiber seat 44 and the alignment position of the first optical fiber seat 43 are in fixed positions, and therefore the adjustment of the X direction camera shooting mechanism 2 and the Y direction camera shooting mechanism 3 is not needed, namely the adjustment of the X direction camera shooting mechanism 2 and the Y direction camera shooting mechanism 3 is not needed, the cost of the fusion splicer is further remarkably reduced, and the assembly difficulty is low.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like 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 fusion splicer with unilateral bidirectional adjustment comprises an adjusting mechanism (1) and an optical fiber seat (4), the optical fiber holder (4) is used for placing or fixing an optical fiber (7), the optical fiber holder (4) comprises a first optical fiber holder (43) and a second optical fiber holder (44), characterized in that the first optical fiber seat (43) is fixedly arranged, the adjusting mechanism (1) comprises a main frame (11), a first jacking mechanism (12), a second jacking mechanism (13) and an elastic adjusting piece (14), one end of the elastic adjusting piece (14) is connected with the second optical fiber seat (44), the other end is fixedly connected with the main frame (11), the first jacking mechanism (12) and the second jacking mechanism (13) can respectively push the elastic adjusting piece (14) from two directions to generate elastic deformation, so that the second optical fiber seat (44) can move in the X direction and the Y direction.

2. An optical fiber fusion splicer according to claim 1, wherein the first abutting mechanism (12) pushes the elastic adjustment member (14) in a vertical direction or a horizontal direction, and the direction in which the second abutting mechanism (13) pushes the elastic adjustment member (14) is at an angle of 10 ° to 90 ° to the direction in which the first abutting mechanism (12) pushes the elastic adjustment member (14).

3. An optical fiber fusion splicer according to claim 2, wherein the first butting mechanism (12) pushes the elastic adjustment member (14) in a vertical direction, and the second butting mechanism (13) pushes the elastic adjustment member (14) in an X-direction or a Y-direction.

4. An optical fiber fusion splicer according to claim 1, wherein the elastic adjustment member (14) comprises a first body (141) and a second body (142), the first body (141) being fixedly connected to the main frame (11), the second body (142) being connected to the second optical fiber holder (44), the first body (141) and the second body (142) forming a bent elastic adjustment member (14).

5. An optical fiber fusion splicer according to claim 4, characterized in that the first body (141) and the second body (142) constitute one L-shaped elastic adjustment member (14).

6. An optical fiber fusion splicer according to any of claims 1 to 5, characterized in that the elastic adjustment member (14) is a metal member, and a hollowed portion (143) is provided in the elastic adjustment member (14) to penetrate through the two opposite surfaces.

7. An optical fiber fusion splicer according to claim 6, characterized in that the elastic adjustment member (14) is a cupronickel member.

8. The fusion splicer according to any one of claims 1 to 5, wherein the first jacking mechanism (12) comprises a first jacking rod (121) and a first jacking mechanism (122), the first jacking mechanism (122) drives the first jacking rod (121) to move axially, the second jacking mechanism (13) comprises a second jacking rod (131) and a second jacking mechanism (132), the second jacking rod (131) drives the second jacking rod (131) to move axially, and the first jacking rod (121) and the second jacking rod (131) respectively push the elastic adjusting member (14) to deform elastically.

9. An optical fiber fusion splicer according to any of claims 1 to 5, wherein the main frame (11) supports an X-direction imaging mechanism (2) and a Y-direction imaging mechanism (3) which connect the optical fiber fusion splicer.

10. An optical fiber fusion splicer according to any one of claims 1 to 5, wherein the first optical fiber holder (43) and the second optical fiber holder (44) each comprise a connecting holder (41) and a V-shaped groove (42), the upper end of the connecting holder (41) is provided with the V-shaped groove (42), and the lower end of the connecting holder (41) of the second optical fiber holder (44) is connected to the elastic adjusting member (14).