JP2011145528A - Housing case for fusion splicing machine, and portable fusion splicing system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a housing case for a fusion splicing machine, the housing case facilitating portability for operation, improving workability for fusion splicing, and, in addition, increasing impact resistance. <P>SOLUTION: The housing case 1 includes: a box part 10 composed of a bottom, a front situated on the side of an operator, a pair of side faces 14 facing each other, and a back 15 oppositely facing the front; a lid part 20 that is installed in the upper position of the box part 10 to be opened and closed and that seals the opening of the box part 10; a body belt 30 that is attached to an end on the operator's side of the pair of side faces 14 and that fastens the body of the operator; and a suspension belt 40 that is installed on each of the pair of side faces 14, with one end to the back 15 from the center of gravity of a fusion splicing machine in one of the side faces, that is mounted in a position to the front from the fusion part of the fusion splicing machine, with the other end mounted on the end on the operator's side of one side face, and that is adjustable in length. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fusion splicer housing case and a portable fusion splicing system. The present invention relates to a mold fusion splicing system.

  Conventionally, in the case of optical fiber connection work, an operator transports a portable fusion splicer to a predetermined place, for example, the basement of a manhole or above a power pole, and the fusion splicer and the work table (hereinafter, “ The optical fiber is fusion-spliced using a “splicing machine and work table” (referred to as “portable fusion splicing system”).

  FIG. 10 is a perspective view showing a configuration of a conventional portable fusion splicing system.

  In FIG. 10, the portable fusion splicing system is composed of a fusion splicer 81 and a fusion splicer mounting work table 80 attached to the fusion splicer. The fusion splicer mounting work table 80 holds the base material 82, the angle 83, the fusion splicer mounting fixture 84, and the angle 83 and the fusion splicer mounting fixture 84 so as to be rotatable. And it is comprised with the hinge 85 which can fix and hold | maintain the rotation in arbitrary positions. The hinge 85 is configured as a free-stop type, and the fusion splicer 81 is rotated at an arbitrary angle with respect to the base material 82 with the fusion splicer 81 attached to the fusion splicer mounting fixture 84. Further, the angle can be maintained.

  When performing the fusion splicing operation of the optical fiber, the work belt 86 attached to the base material 82 is turned around the waist of the worker S, and the work table 81 for installing the fusion splicer is placed in front of the worker S. Placed in. Further, a suspension belt 88 attached to the base material 82 is hung on the shoulder of the worker S, and the work table 81 for mounting the fusion splicer is lifted. Thereby, the operator S can operate the fusion splicer 81 with both hands free (see, for example, Patent Document 1).

  11A and 11B are diagrams for explaining another conventional portable fusion splicing system. FIG. 11A is a perspective view showing a configuration of a work box (work table), and FIG. 11B is a conventional portable. It is a figure which shows the use condition of a fusion splicing system.

  11A, a work box 90 includes a main body 93, and a lid 96 that can be opened and closed with respect to the main body 93 via center folding hinges 95a and 95b and a pair of opening and closing hinges (not shown). And have. The main body 93 includes a plate-shaped bottom surface 99, a back surface 101, and side surfaces 103 a and 103 b that are integrally provided, and the lid 96 is closed with respect to the main body 93. A front surface portion 105 and an upper surface portion 107 are provided to cover the front surface and the upper surface. A plate-like mounting portion 113a is provided inside the main body portion 93, and the inside of the main body portion 93 is a two-stage shelf-type mounting portion 113a, 113b (bottom surface portion 99). And its peripheral tools are stored.

  When performing an optical fiber fusion splicing operation, the fusion splicer main body is placed on the upper mounting portion 113a inside the main body 93, and its peripheral tools are placed on the lower mounting portion 113b. Then, a fiber holder (not shown) is mounted on the mounting table 117. In a state where the fusion splicer main body is placed on the placing portion 113a, spaces are formed on both sides of the fusion splicer main body, and small items such as alcohols and tissues can be placed in this space. Yes. In the open state of the lid portion 96 (FIG. 11A), the inner wall surface 105a of the front surface portion 105 of the lid portion 96 becomes a flat surface portion for performing work on the front surface of the main body portion 93, and is fused on this flat surface portion. It is possible to perform fusion splicing work of optical fibers using a connecting machine. Then, the operator can use both hands in a standing state if the upper surface portion 107 (the handle 109) of the lid portion 96 faces the body side and the upper surface portion 107 (the handle 109) is brought into contact with the abdomen and the neck belt 111 is hung on the neck. The work can be performed (FIG. 11B) (Patent Document 2).

JP 2007-193097 A JP 2006-201305 A

  However, in the conventional portable fusion splicing system, an operation torque is generated when the free-stop hinge is rotated, so that it is difficult to change the angle of the fixing tool with respect to the angle, and the workability of the fusion splicing is reduced. There is a problem.

  Further, in other conventional portable fusion splicing systems, work is performed with the upper surface portion (handle) of the lid portion in contact with the operator's abdomen, so the stability is low, and the lid portion May deviate from the position of contact with the abdomen, resulting in a problem of reduced workability. In this system, the fusion part of the fusion splicer and the holding part for holding the fiber after fusion are located in the vicinity of the base part of the neck belt, so that the fiber is moved from the fusion part to the holding part. Neck straps get in the way, reducing workability.

  Furthermore, in the above two portable fusion systems, since a highly rigid work table made of metal or the like is used in order to stabilize the holding position of the fusion splicer, the shock is affected by an external shock. There is a possibility that the fusion splicer that is transmitted to the fusion splicer and requires high-precision positioning will break down.

  An object of the present invention is to provide a storage case for a fusion splicer and a portable type that can be easily carried and operated, can improve the workability of fusion splicing, and can also improve impact resistance. It is to provide a fusion splicing system.

  In order to achieve the above object, a storage case for a fusion splicer according to the present invention is a storage case for a fusion splicer that accommodates a fusion splicer for fusion-connecting optical fibers, and includes a bottom surface portion. A box part composed of a front part located on the worker side, a pair of side parts facing each other, and a back part facing the front part, and an openable / closable upper part of the box part. A lid portion that seals the opening of the pair, a torso belt that is attached to the operator side end portions of the pair of side surface portions and is fastened to the torso of the operator, and one end is provided on each of the pair of side surface portions And the other end is the worker side end of the one side surface portion and is attached to a position closer to the back surface side than the center of gravity position of the fusion splicer and to the front side of the fusion splicer. A length-adjustable suspension belt attached to the section, Serial box portion and the formed lid of flexible material, characterized in that the plate-like body to define a plane of the bottom surface to the bottom surface portion is disposed.

  Preferably, the suspension belt includes a pair of suspension belt bases extending upward from the pair of side surface portions, and a pair of suspension belt bands removably attached to the pair of suspension belt bases, A pair of suspension belt second bases, which are provided at the operator side end portions of the pair of side surface portions and to which the pair of suspension belt bands are detachably attached.

  Preferably, the fusion splicer storage case further includes a pocket provided in at least one of the pair of side surfaces.

  Preferably, a polyurethane layer is formed on the inner surface of the pocket.

  Preferably, the fusion splicer storage case further includes closing means capable of closing the opening of the pocket.

  Preferably, the body belt includes a pair of body belt bases extending laterally from the pair of side surface parts, a pair of fitting members that are detachably attached to the pair of body belt base parts, It has a belt part for body belt which connects the pair of fitting members.

  In order to achieve the above object, a portable fusion splicing system according to the present invention includes a storage case for the fusion splicer and a fusion splicer accommodated in the storage case for the fusion splicer. It is characterized by being configured.

  According to the present invention, the box portion and the lid portion are formed of a flexible material, and a plate-like body that defines the plane of the bottom surface portion is disposed on the bottom surface portion of the box portion. The box portion is supported at a predetermined height in front of the operator by the body belt, and is supported substantially horizontally by adjusting the length of the suspension belt. Thereby, the fusion splicer can be easily supported substantially horizontally at the place where the fusion operation is performed. In addition, since one end of the suspension belt is attached to the back surface side of the center of gravity of the fusion splicer on one side surface and to the front side of the fusion splicer of the fusion splicer, the fusion splicer Can be held stably. Further, the suspension belt does not get in the way when moving the fiber, and further, since a space is generated between the operator and the suspension belt, the operability of the operation unit provided in the fusion splicer is improved. Therefore, workability of fusion splicing can be improved. Further, even when an impact is received from the outside in a state where the fusion splicer is accommodated in the housing case, the impact is absorbed by the flexible material, so that the fusion splicer can be prevented from malfunctioning. . Therefore, it is possible to easily carry and work, improve the workability of fusion splicing, and improve the impact resistance.

It is a perspective view which shows roughly the structure of the storage case for fusion splicers which concerns on embodiment of this invention. It is a top view which shows the structure of the storage case for fusion splicers of FIG. It is a side view which shows the structure of the storage case for fusion splicers of FIG. 1, (a) is a right view, (b) is a left view. It is a front view which shows the structure of the storage case for fusion splicers of FIG. It is a bottom view which shows the structure of the storage case for fusion splicers of FIG. It is a side view which shows the open state of the cover part in FIG. It is a top view which shows the open state of the cover part in FIG. It is a perspective view which shows the structure of the fusion splicer accommodated in the storage case for fusion splicers of FIG. It is a figure which shows the use condition of the storage case for fusion splicers of FIG. It is a perspective view which shows the structure of the conventional portable fusion splicing system. It is a figure for demonstrating the other conventional portable fusion splicing system, (a) is a perspective view which shows the structure of a work box (working table), (b) is the conventional portable fusion splicing system. It is a figure which shows the use condition of.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a diagram schematically illustrating the configuration of a storage case for a fusion splicer according to an embodiment of the present invention, and FIG. 2 is a plan view illustrating the configuration of a box portion in FIG. 3 is a side view showing the configuration of the storage case for the fusion splicer shown in FIG. 1, wherein (a) is a right side view and (b) is a left side view. 4 is a front view showing the configuration of the storage case for the fusion splicer in FIG. 1, and FIG. 5 is a bottom view showing the configuration of the storage case for the fusion splicer in FIG.

  1 to 5, the fusion splicer case 1 includes a bottom surface portion 11, a front surface portion 12 located on the operator side, a pair of side surface portions 13, 14 facing each other, and a back surface portion facing the front surface portion 12. 15 on the upper part of the box part 10, a lid part 20 that seals the opening part of the box part 10, and the worker side end parts of the pair of side face parts 13, 14. A fuselage belt 30 that is attached and fastened to the operator's torso, and a pair of side surface portions 13 and 14, one end is on the back side (back surface portion 15 side) from the center of gravity position of the fusion splicer, and melted. There is provided a suspension belt 40 that is attached at a position closer to the front side (front side 12 side) than the fusion part of the arrival / disconnection machine and whose other end is attached to the worker side end part of the side face part.

  The box part 10 and the cover part 20 are formed of a flexible material, and are composed of, for example, a laminate of PE (polyethylene). In this laminate, for example, the first layer (inner layer) is a 210 denier PE fiber layer, the second layer is a sheet-like PE foam, and the third layer (outer layer) is a 600 denier PE fiber layer. The bottom surface portion 11 is provided with a plate-like body 17 defining the plane of the bottom surface portion, and this plate-like body 17 is made of, for example, PP (polypropylene) or PE (FIG. 2). The bottom surface portion 11 supports the bottom surface of the fusion splicer accommodated in the box portion 10 in cooperation with the plate-like body 17 so that the fusion splicer can be used when the box portion 10 is held substantially horizontally. Is held approximately horizontally. Moreover, the fastener 18 is provided in the bottom face part 11, and the plate-shaped body 17 can be removed. Thereby, when the fusion splicer is not accommodated, the fusion splicer accommodation case 1 can be folded and carried.

  A plate-like body similar to the plate-like body 17 may be included in each of the front surface portion 12, the pair of side surface portions 13 and 14, and the back surface portion 15. Thereby, a fusion splicer can be supported more reliably.

  The internal dimensions of the box portion 10 are, for example, a length of 290 mm, a width of 162 mm, and a height of 90 mm.

  The lid portion 20 includes a lid main portion 21 provided so as to face the bottom surface portion 11 in the closed state, a convex portion 22 provided on the back side of the lid main portion 21, an outer peripheral portion of the lid portion 20, and a box It has the fastener 23 which joins the part 10 (FIG. 1, FIG. 4). An operation panel of the fusion splicer is located directly below the lid main portion 21, and a fusion portion and a reinforcing sleeve heating processing portion of the fusion splicer are located directly below the convex portion 22, respectively (FIGS. 8 and 9). reference). The fastener 23 is provided over the entire outer periphery of the lid portion 20, and when the fastener 23 is completely closed in a state where the fusion splicer is accommodated in the box portion 10, the fusion splicer is sealed in the box portion 10. Is done.

  Moreover, one hook-and-loop fastener (not shown) is attached to the back side of the front part side of the cover part 20, and the other hook-and-loop fastener 24 is attached to the back side of the bottom part 11 (FIG. 5). One hook-and-loop fastener is locked to the hook-and-loop fastener 24 in a state where the lid 20 is opened and the lid 20 is bent. Thereby, the cover part 20 is fixed in an open state (refer FIG. 9).

  The outer peripheral surface of the bottom surface portion 11 of the box portion 10 is provided with an opening on the back surface portion 15 side, and has a pocket 11a in which documents necessary for work are stored. As a result, the operator can take out documents and the like with the fusion splicer storage case 1 attached.

  The body belt 30 includes PP body belt base portions 33 and 34 extending laterally from each of the pair of side surface portions 13 and 14, detachable POM resin buckles 35 and 36, and a body belt base portion. 33 and 34 and PP belt members 37 and 38 for connecting the buckles 35 and 36, respectively, and a body belt belt portion 39 for connecting the buckle 35 and the buckle 36 (FIG. 3 (a), FIG. 3 (b)). The box part 10 is easily supported at a predetermined height by turning the belt part 39 for the body belt around the body of the operator and fitting the buckles 35 and 36. The body belt band 39 has a length adjusting mechanism (not shown), and the body belt band 39 is fastened to the operator's body by adjusting the length with the length adjusting mechanism.

  The suspension belt 40 includes a pair of suspension belt first base portions 41 and 42 extending obliquely upward from the pair of side surface portions 13 and 14 and a pair of suspension belt base portions 41 and 42 detachably attached to the pair of suspension belt base portions 41 and 42. A second pair of suspension belts provided on the operator side end portions of the suspension belt belt portions 43 and 44 and the pair of side surface portions 13 and 14 and to which the pair of suspension belt belt portions 43 and 44 are detachably attached. And bases 45 and 46. The suspension belt 40 is made of, for example, a PP tape material.

  The pair of first base portions 41 and 42 for the suspension belt are on the back side (the back surface portion 15 side) from the center of gravity position of the fusion splicer and on the near side (the front portion 12 side) than the fusion portion of the fusion splicer. It is attached to the position. Thereby, the fusion splicer can be stably held in a state where the operator hangs the suspension belt 40 on the shoulder. Also, when performing the fiber fusion work, the suspension belt 40 does not get in the way, and there is a space between the worker and the suspension belt 40. The operation part of the machine can be operated and workability is improved.

  Preferably, the pair of first base portions 41 and 42 for the suspension belt are attached at positions that substantially coincide with the center of gravity of the fusion splicer. Thereby, a fusion splicer can be hold | maintained more stably. In this Embodiment, a pair of 1st base parts 41 and 42 for suspension belts are attached so that the distance from the back | inner side end surface of this 1st base to the front part 12 may be 190 mm, for example.

  The belt first base portions 41 and 42 are attached to the pair of side surface portions 13 and 14 with a predetermined width in the longitudinal direction of the box portion 10. Therefore, even if the position of the center of gravity in the longitudinal direction of the fusion splicer is deviated depending on the type of the fusion splicer, if the position of the center of gravity is within the predetermined mounting width of the first base portions 41 and 42 for belts, The destination machine is held stably.

  The pair of first suspension belt bases 41 and 42 are attached to the box portion 10 at such an angle that the box portion 10 is held substantially horizontally when the operator hangs the suspension belt 40 on both shoulders. . Thereby, workability is improved when performing the fiber fusion work.

  Rings 47 and 48 are attached to the ends of the pair of first suspension belt bases 41 and 42, and rings 49 and 50 are attached to the ends of the pair of suspension belt second bases 45 and 46. ing. Further, hooks 51, 52, 53, 54 corresponding to the rings 47, 48, 49, 50 are attached to the respective end portions of the pair of suspension belt bands 43, 44.

  Also, the fusion splicer storage case 1 includes a pair of pockets 61 and 62 provided on the pair of side surfaces 13 and 14, and a fastening string (closing means) that can close the openings 61 a and 62 a of the pocket pairs 61 and 62. 63, 64 (FIGS. 2 and 4). Inside the pair of pockets 61 and 62, accessories for connecting the fiber, for example, a cutter for cutting the fiber, alcohol for wiping the fiber, a fiber piece after cutting, and the like are stored. Since the openings 61a and 62a are closed by the fastening straps 63 and 64, even if the fusion splicer housing case 1 is tilted during movement, accessory parts and fiber pieces fall from the pocket pairs 61 and 62. Therefore, the accessory parts and the like can be securely held in the pocket pairs 61 and 62. The inner surfaces 61b and 62b of the pocket pairs 61 and 61 are formed of a PU (polyurethane) layer. Thereby, the cut fiber piece does not pass through the pocket pairs 61 and 62 and protrude or fall outside, and the cut fiber piece can be securely stored.

  6 is a side view showing the opened state of the lid 20 in FIG. 1, and FIG. 7 is a plan view showing the opened state of the lid 20 in FIG.

  6 and 7, the box portion 10 includes a block body 71 disposed in contact with the front surface portion 12 and a block body 72 laid on the bottom surface portion 11 (FIG. 7). The block body 71 is affixed to the front surface portion 12 with a surface fastener (not shown), and the block body 72 is affixed to the bottom surface portion 11 with a surface fastener (not shown). The block bodies 71 and 72 are composed of PE foam blocks on the inside and 210 denier PE fiber layers on the outer layer. The block body 71 is located between the worker and the fusion splicer in a state in which the worker wears the fusion splicer housing case 1 and deforms according to the body shape of the worker. As a result, stability is improved, and the fusion splicer housing case 1 can be reliably held in front of the operator. Further, when the fusion splicer having a height higher than usual is accommodated, the height inside the accommodation case is changed by removing the block body 72. In other words, the block body 72 serves as a height adjusting member that adjusts the height inside the housing case. Thereby, even when using a fusion splicer having different sizes, the fusion splicer can be accommodated in the fusion splicer accommodation case 1, and is highly versatile. In particular, there are fusion splicers of the same type that are different in height but have substantially the same outer shape, and when these fusion splicers are used, Versatility can be improved.

  The box portion 10 includes a pair of hooks 73a and 73b that are attached to the inner surfaces of the pair of side surface portions 12 and 13 and are detachably locked to the fusion splicer. The pair of hooks 73a and 73b are locked to a pair of locking protrusions (described later) provided on the upper surface of the fusion splicer in a state where the fusion splicer is accommodated in the box part 10. Thereby, the fusion splicer can be fixed to the box part 10 and the fusion splicer can be prevented from dropping from the box part 10.

  For example, a fusion splicer as shown in FIG. 8 is accommodated in the fusion splicer accommodation case 1 configured as described above.

  FIG. 8 is a perspective view showing the configuration of the fusion splicer accommodated in the fusion splicer accommodation case of FIG. 1.

  As shown in FIG. 8, the fusion splicer 74 includes a main body portion 74a and a support structure 74b that holds the main body portion horizontally.

  The main body 74a is provided with a fusion part 75 for fusing an optical fiber, a display part 76, an operation part 77, and a reinforcing sleeve heating processing part 78 for heating the optical fiber reinforcing sleeve on the upper surface. The main body 74a includes a pair of locking protrusions 79a and 79b on the upper surface thereof, and a pair of hooks 73a and 73 attached to the box 10 are locked.

  The support structure 74 b includes four legs 74 c that extend downward from the bottom surface of the fusion splicer 74. The leg 74c is formed from an elastic material, for example, a rubber material. These four leg portions 74 c are placed on the upper surface of the block body 72, whereby the fusion splicer 74 is held substantially parallel to the block body 72.

  In a state where the fusion splicer 74 configured as described above is accommodated in the fusion splicer accommodation case 1, the inner side surface of the box portion 10 is in pressure contact with the side surfaces of the four leg portions 74c. Thereby, it can suppress that the fusion splicer 74 falls from the box part 10. FIG.

  In the present embodiment, the position of the center of gravity of the fusion splicer 74 in the longitudinal direction is directly below the hinge of the fusion part 75. In a state where the fusion splicer 74 is accommodated in the fusion splicer housing case 1, the position of the center of gravity in the longitudinal direction of the fusion splicer 74 is in the range of the predetermined mounting width of the first base portions 41 and 42 for belts.

  FIG. 9 is a diagram illustrating a usage state of the fusion splicer housing case 1 of FIG. 1. In the present embodiment, a configuration in which the fusion splicer 74 is accommodated in the fusion splicer accommodation case 1 is referred to as a fusion splicing system.

  In FIG. 9, when using the fusion splicer housing case 1, first, the body belt 30 attached to the box portion 10 is turned to the operator's waist and the length is adjusted by a length adjusting mechanism (not shown). Insert the buckles 35 and 36 while adjusting the angle. At this time, the body belt is fastened to the operator's waist and fixed at a predetermined height. Next, a pair of suspension belt bands 43 and 44 are hung on both shoulders of the operator, and the length of the box 10 is adjusted in front of the operator's abdomen while adjusting the length by the length adjusting mechanisms 43a and 44a. The box portion 10 is lifted by the pair of suspension belt bands 43 and 44 so as to be substantially horizontal. Thereby, the box part 10 is supported substantially horizontally in front of the worker's abdomen. When the fusion splicer 74 is accommodated in the box portion 10 in this state, the bottom surface of the fusion splicer 74 is supported by the plate-like body 17 included in the bottom surface portion 11 of the box portion 10, The connecting machine is held almost horizontally. Further, the pair of hooks 73 a and 73 b are locked to the locking projections 79 a and 79 b, and the fusion splicer 74 is fixed to the box part 10.

  When the worker moves, with the box portion 10 supported by the body belt 30 and the suspension belt 40, the fastener 23 provided on the lid portion 20 is fully closed, and the fusion splicer 74 is installed in the box portion 10. Is closed, and the box 10 is tilted toward the operator. Since the box 10 and the body belt bases 33 and 34 are formed of a flexible material, the box 10 can be easily tilted. Then, the box part 10 is returned to the original position at the destination. According to this, even when heading to the moving destination through a narrow passage or the like, it is possible to move with the fusion splicer housing case 1 attached, and the fusion splicer 74 can be easily leveled even at the moving destination. Can be supported.

  When performing fusion splicing of optical fibers, the fastener 23 is fully opened, the lid 20 is moved to a position of about 180 ° with respect to the box 10, and the lid 20 is folded and attached to the lid. The provided surface fastener (not shown) is locked to the surface fastener 24 of the bottom surface portion 11. Then, the optical fiber fusion / reinforcement sleeve is heated in the fusion part 76 and the reinforcement sleeve heat treatment part 78 of the fusion splicer 74 located on the back side of the pair of suspension belt bands 43 and 44. Execute. Further, an arm is put between the belt part 43 for the suspension belt and the operator, and the operation part 77 of the fusion splicer 74 is operated.

  As described above, according to the present embodiment, the box portion 10 and the lid portion 20 are formed of a flexible material, and the plate-like body 17 that defines the plane of the bottom portion is formed on the bottom portion 11 of the box portion. Arranged. The box portion 10 is supported at a predetermined height by the body belt 30 in front of the operator, and is supported substantially horizontally by adjusting the length of the suspension belt 40. Thereby, the fusion splicer 74 can be easily supported substantially horizontally at the place where the fusion work is performed. Further, the first base portions 41 and 42 of the suspension belt 40 are located on the back side (back surface portion 15 side) of the center of gravity of the fusion splicer 74 in the side surface portions 13 and 14 and more than the fusion splice portion of the fusion splicer. Since it is attached to the position on the near side (front portion 12 side), the fusion splicer 74 can be stably held in a state where the operator hangs the suspension belt 40 on the shoulder. In addition, the suspension belt 40 does not get in the way when the fiber is moved from the fusion portion 76 to the reinforcing sleeve heating processing portion 78, and a space is created between the operator and the suspension belt 40. Operability is improved. Therefore, workability of fusion splicing can be improved. Even when the fusion splicer 74 is accommodated in the fusion splicer housing case 1, even if an impact is received from the outside, the impact is absorbed by the flexible material, so that the fusion splicer 74 fails. Can be prevented. Therefore, the fusion splicer 74 can be easily carried and operated, the workability of the fusion splicing can be improved, and the impact resistance can be improved.

  In this embodiment, the pair of side portions 13 and 14 are provided with the pocket pairs 61 and 62. However, the present invention is not limited to this, and at least one of the pair of side portions 13 and 14 is provided with a pocket. May be. A plurality of pockets may be provided on one of the pair of side surface portions 13 and 14.

  Further, in the present embodiment, the fastening strings 63 and 64 are provided in the openings of the pocket pairs 13 and 14, but the present invention is not limited to this, and a tape-shaped hook-and-loop fastener, a snap-fit piece that can be freely inserted and removed, and the like. Other closing means may be provided.

  In the present embodiment, the other surface fastener 24 is provided on the back side of the bottom surface portion 11, but the present invention is not limited to this, and other locking members such as snap-fit pieces may be provided.

  Moreover, in this Embodiment, although each hook and ring comprise the latching mechanism which latches the suspension belt 40 to the box part 10, it does not restrict to this. Another locking mechanism capable of detachably attaching the suspension belt 40 to the box portion 10 may be provided.

  Moreover, in this Embodiment, although it is comprised so that the suspending belt 40 may be hung on an operator's shoulder, it is not restricted to this. When the fusion splicing operation is finished, the fuselage belt 30 can be hung on the shoulder and moved while the fusion splicer 74 is sealed in the box portion 10. In this case, the hooks 51, 52, 53, 54 can be removed from the rings 47, 48, 49, 50, and the suspension belt 40 can be removed from the box portion 10.

  In the present embodiment, the pair of hooks 73a and 73b are attached to the inner surfaces of the pair of side surface portions 12 and 13, but the present invention is not limited to this, and the fusion splicer 74 can be fixed to the box portion 10. As long as it is attached, it may be attached at any position. In addition, the pair of hooks 73a and 73b are locked to the pair of locking protrusions 79a and 79b provided on the upper surface of the main body portion 74a. You may be latched by a pair of provided latching protrusions.

  The embodiment of the present invention described above is merely an example, and various modifications can be made without departing from the gist of the present invention.

DESCRIPTION OF SYMBOLS 1 Storage case for fusion splicers 10 Box part 11 Bottom part 12 Front part 13,14 A pair of side part 15 Back part 17 Plate body 20 Lid part 30 Body belt 40 Suspension belt 61,62 Pocket pair 71,72 Block body

Claims (7)

A fusion splicer housing case for housing a splicer for splicing optical fibers,
A box part composed of a bottom part, a front part located on the worker side, a pair of side parts facing each other, and a back part facing the front part;
A lid that is provided at the top of the box so as to be openable and closable, and seals the opening of the box;
A torso belt attached to the operator side end of the pair of side surfaces and fastened to the torso of the operator;
Provided in each of the pair of side surface portions, and one end is attached to the back surface side of the center of gravity position of the fusion splicer at one side surface portion and attached to the front side of the fusion splicer of the fusion splicer. And the other end is provided with a length-adjustable suspension belt attached to the worker side end of the one side surface,
The container case for a fusion splicer, wherein the box portion and the lid portion are formed of a flexible material, and a plate-like body defining a plane of the bottom surface portion is disposed on the bottom surface portion.   The suspension belt includes a pair of suspension belt bases extending upward from the pair of side surface portions, a pair of suspension belt bands removably attached to the pair of suspension belt bases, and the pair of suspension belts. The fusion splicer according to claim 1, further comprising: a pair of suspension belt second base portions that are provided at end portions on the worker side of the side surface portion and to which the pair of suspension belt bands are detachably attached. Storage case.   The storage case for a fusion splicer according to claim 1, further comprising a pocket provided in at least one of the pair of side portions.   4. A storage case for a fusion splicer according to claim 3, wherein a polyurethane layer is formed on the inner surface of the pocket.   5. The storage case for a fusion splicer according to claim 3, further comprising closing means capable of closing the opening of the pocket.   The body belt includes a pair of body belt bases extending laterally from the pair of side surface parts, a pair of fitting members removably attached to the pair of body belt base parts, The housing case for a fusion splicer according to claim 1, further comprising a body belt belt portion for connecting the fitting members.   A portable fusion splicing system comprising the fusion splicer housing case according to any one of claims 1 to 6 and the fusion splicer accommodated in the fusion splicer housing case.

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