JP2011160539A - Wire covering stripping tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wire covering stripping tool wherein it is possible not only to cope with wires of various types and sizes but also to simplify the work of stripping the covering material on an electric wire. <P>SOLUTION: The wire covering stripping tool 1 includes a holding portion 2 that slidably holds an electric wire X and a cutting blade 4 that cuts the covering material Y on the held electric wire X. The cutting blade 4 is configured to be displaceable relative to the holding portion 2 so that it can be advanced to or retreated from the held electric wire X. The holding portion 2 includes a pair of clamping portions 21, 22 that can be brought into or out of contact with each other so that they can clamp and hold the electric wire X between them. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an electric wire covering stripping tool applied to an electric wire whose core wire is covered with a covering material.

  Conventionally, as an electric wire covering stripping tool applied to an electric wire whose core wire is covered with a covering material, an electric wire covering / peeling device provided with a holding portion that slidably holds the electric wire and a cutting blade that cuts the covering material of the electric wire A tool is known (for example, Patent Document 1). And since there are various types and sizes of electric wires, the electric wire covering stripping tool is required to be able to respond flexibly to the types and sizes of the electric wires (the outer diameter of the electric wires and the thickness of the covering material). The

  Therefore, the cutting blade can be displaced relative to the holding portion, so that the cutting blade can advance and retreat with respect to the held electric wire, and the cylindrical shape has different inner diameters so as to correspond to the outer diameters of various electric wires. There has been proposed an electric wire covering / peeling tool that can be attached and detached (for example, Patent Document 2). According to such a wire covering / peeling tool, the cutting blade can be advanced / retracted with respect to the electric wire according to the type and size of the electric wire, and can be flexibly handled by selecting and attaching a holding portion having an appropriate inner diameter.

JP-A-6-261432 Japanese Patent Laid-Open No. 10-145926

  However, in the wire covering and peeling tool according to Patent Document 2, it is necessary to attach or detach after selecting an appropriate holding portion according to the outer diameter of the wire. Therefore, when peeling the coating of multiple wires, it is necessary to attach and detach the holding parts many times, and it is necessary to have (carry) multiple holding units according to each wire Therefore, the operation becomes very complicated.

  Therefore, in view of such circumstances, the present invention is not only capable of flexibly responding to various types and sizes of electric wires, but also capable of simplifying the work of peeling the wire covering material. It is an object to provide a peeling tool.

  An electric wire covering / peeling tool according to the present invention includes a holding portion that slidably holds an electric wire and a cutting blade that cuts the covering material of the electric wire to be held, and the cutting blade advances and retreats with respect to the electric wire held. In an electric wire covering / peeling tool configured to be relatively displaceable with respect to the holding portion, the holding portion includes a pair of holding portions that can be brought into and out of contact with each other so that the electric wire can be held therebetween. It is characterized by that.

  According to the electric wire covering / peeling tool according to the present invention, the cutting blade can advance and retreat with respect to the electric wire to be held, and the holding portion is provided with a pair of holding portions that can be contacted and separated. As a result, according to the type and size of the electric wire, the cutting blade can be moved forward and backward with respect to the electric wire, and a pair of clamping parts can be moved closer together to hold and hold the electric wire, thereby flexibly handling various electric wires. can do.

  Moreover, in the electric wire coating | peeling peeling tool which concerns on this invention, each clamping part may be equipped with at least 1 rolling element which is arrange | positioned so that an electric wire may be contacted and rolls as an electric wire slides.

  According to the wire covering / peeling tool having such a configuration, at least one rolling element disposed so as to be in contact with the electric wire is provided in each clamping portion. Thereby, since a rolling element rolls as an electric wire slides, it can suppress that a frictional force generate | occur | produces between an electric wire and a holding | maintenance part. Therefore, since the electric wire can be smoothly slid, it is possible to further simplify the operation of peeling the coating material of the electric wire.

  Further, in the wire covering / peeling tool according to the present invention, at least one of the sandwiching portions includes a pair of rolling elements, and the cutting blade cuts a pair of rolling members so as to cut a portion of the covering material positioned between the pair of rolling elements. You may arrange | position between moving bodies.

  According to the wire covering / peeling tool having such a configuration, a pair of rolling elements is provided in at least one of the clamping portions. Since the cutting blade is disposed between the pair of rolling elements, the part of the covering material positioned between the pair of rolling elements, that is, the part of the covering material stably held by the pair of rolling elements can be cut. As a result, the wire covering material can be stably cut.

  Moreover, in the electric wire coating | coated stripping tool which concerns on this invention, a rolling element is a roller, Comprising: Each may be arrange | positioned so that it may rotate centering on the same direction.

  According to the wire covering / peeling tool having such a configuration, the rolling elements are rollers, and the respective rolling elements are arranged so as to rotate around the same direction. As a result, when the electric wire is slid in the circumferential direction, the holding part pinches the electric wire so that the axial direction of each rolling element is parallel to the axial direction of the electric wire, thereby rotating the rolling element. On the other hand, in order to slide the electric wire in the axial direction, the holding part holds the electric wire so that the axial direction of each rolling element and the axial direction of the electric wire are orthogonal to each other. Can be rotated.

  Further, in the electric wire covering / peeling tool according to the present invention, each rolling element is formed in a spherical shape, and each clamping part exposes a part of the rolling element so that the rolling element contacts the electric wire, thereby rolling the rolling element. You may provide the accommodating part accommodated so that movement is possible.

  According to the wire covering / peeling tool having such a configuration, each rolling element formed in a spherical shape is accommodated in the accommodating portion so as to be able to roll. And when a part of rolling element is exposed, a rolling element can contact an electric wire and can clamp an electric wire. Thereby, when sliding an electric wire in the circumferential direction and an axial center direction, a rolling element can be rolled in any direction, without changing arrangement | positioning of an electric wire.

  As described above, according to the wire covering / peeling tool according to the present invention, the cutting blade is advanced and retracted with respect to the electric wire according to the type and size of the electric wire, and the electric wire is held by holding the pair of holding portions close to each other. By doing so, it is possible not only to respond flexibly to various electric wires, but also to achieve an excellent effect that simplification of the work of peeling the coating material of the electric wires can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS It is a general view of the electric wire covering peeling tool which concerns on one Embodiment of this invention, Comprising: (a) is a front view, (b) shows a rear view. It is a general view of the electric wire covering peeling tool which concerns on the embodiment, (a) is a left view, (b) shows a right view. It is a general view of the electric wire covering peeling tool concerning the embodiment, (a) is a sectional view in an AA line of Drawing 2, and (b) shows a sectional view in a BB line. It is a general view of the electric wire covering peeling tool which concerns on the embodiment, Comprising: (a) is an expanded sectional view in the CC line of FIG. 3, (b) shows the expanded sectional view in the DD line of FIG. It is a figure explaining the 1st method of cut | disconnecting the coating | covering material of an electric wire with the electric wire coating | peeling peeling tool which concerns on the same embodiment, Comprising: (a) And (b) each shows whole sectional drawing. It is a figure explaining the 1st method of cut | disconnecting the coating | covering material of an electric wire with the electric wire coating | peeling peeling tool which concerns on the same embodiment, Comprising: (a) And (b) each shows whole sectional drawing. It is a figure explaining the 2nd method of cut | disconnecting the coating | covering material of an electric wire with the electric wire coating | peeling peeling tool which concerns on the same embodiment, Comprising: (a) And (b) each shows whole sectional drawing. It is a figure explaining the 2nd method of cut | disconnecting the coating | covering material of an electric wire with the electric wire coating | peeling peeling tool which concerns on the same embodiment, Comprising: (a) And (b) each shows whole sectional drawing. It is a general view of the electric wire covering peeling device which concerns on other embodiment of this invention, Comprising: (a) is a front view, (b) shows a left view. It is a general view of the electric wire covering peeling tool concerning the embodiment, (a) is a sectional view in the EE line of Drawing 9, (b) shows a sectional view in the FF line. It is a whole figure of the electric wire covering peeling tool concerning the embodiment, (a) is a sectional view in the GG line of Drawing 10, (b) shows an expanded sectional view in the HH line. It is a figure explaining the method of cut | disconnecting the coating | covering material of an electric wire with the electric wire coating | peeling peeling tool which concerns on the same embodiment, Comprising: (a) And (b) each shows whole sectional drawing. It is a figure explaining the method of cut | disconnecting the coating | covering material of an electric wire with the electric wire coating | peeling peeling tool which concerns on the same embodiment, Comprising: (a) And (b) each shows whole sectional drawing. It is a general view of the electric wire coating peeling tool which concerns on other embodiment of this invention, Comprising: (a) is a front view, (b) shows sectional drawing. It is a figure explaining operation | movement of the electric wire coating | coated peeling tool which concerns on the same embodiment, Comprising: (a) And (b) shows the whole sectional drawing, respectively.

  Hereinafter, 1st Embodiment in the electric wire coating | coated stripping tool which concerns on this invention is described with reference to FIGS.

  As shown in FIGS. 1 to 4, the electric wire covering / peeling tool 1 according to the present embodiment is applied to cut the covering material Y of the electric wire X and peel the covering material Y from the core wire Z (electric wire X). . The electric wire X is formed with different outer diameter dimensions or different thickness dimensions of the covering material Y depending on the type and size.

  The wire covering / peeling tool 1 includes a holding part 2 having a pair of holding parts 21 and 22 that hold the electric wire X in a slidable manner, and contact / separation means 3 that contacts and separates the pair of holding parts 21 and 22. Is provided. In addition, the wire covering / peeling tool 1 enables the cutting blade 4 that cuts the covering material Y of the electric wire X held by the holding portion 2 and the electric wire X that is held by the holding portion 2 so that the cutting blade 4 can advance and retreat. Therefore, the displacement means 5 which displaces the cutting blade 4 relatively with respect to the holding | maintenance part 2 is provided.

  One clamping part (hereinafter also referred to as “first clamping part”) 21 includes a pair of rolling elements 211 and 211 that are arranged in contact with the electric wire X and roll as the electric wire X slides. Further, the first clamping unit 21 includes shaft bodies 213 and 213 for pivotally attaching the rolling elements 211 to the first main body 212.

  The other clamping part (hereinafter, also referred to as “second clamping part”) 22 includes a pair of rolling elements 221 and 221 that are arranged so as to contact the electric wire X and roll as the electric wire X slides. In addition, the second clamping unit 22 includes shaft bodies 223 and 223 for pivotally attaching the rolling elements 221 to the second main body 222.

  The rolling elements 211 and 221 are rollers, and the shafts 213 and 223 are arranged in the same direction, that is, arranged in parallel to each other, so that each of them rotates (rotates) around the same direction. To be moved). In addition, each rolling element 211, 221 is arranged on the outer peripheral portion in order to prevent the electric wire X from being displaced in the axial direction when the electric wire X is arranged and held in a direction orthogonal to the axial direction. Grooves (concave portions) arranged in the circumferential direction are formed.

  The contact / separation means 3 includes a first fixed body 31 attached to the first sandwiching portion 21, a first movable body 32 attached to the second sandwiching portion 22 and displaced relatively to the first fixed body 31, And a first operation unit 33 operated by an operator. Then, the contact / separation means 3 has a pair of members in a direction (radial direction) perpendicular to the axial direction of the rolling elements 211 and 221 when the first movable body 32 is displaced relative to the first fixed body 31. The clamping parts 21 and 22 are brought into and out of contact with each other.

  The first fixed body 31 is disposed so as to cover the second sandwiching portion 21, and is fixed to the first main body 212 via the connecting portion 311. In addition, the first fixed body 31 is configured to maintain a state in which a screw portion (female screw) 312 that is screwed with the first movable body 32 and the axial directions of the rolling elements 211 and 221 are arranged in parallel. The 1st movable body 32 is provided with the plate-shaped guide parts 313 and 313 which guide the 2nd clamping part 22 (2nd main body 222), when it displaces relatively. In addition, the connection part 311 is arrange | positioned rather than each rolling element 211,221 so that it may not interfere with the electric wire X hold | maintained.

  While the 1st movable body 32 is formed in elongate, it equips one end part with the pivotal attachment part 321 pivotally attached to the 2nd main body 222. As shown in FIG. The first movable body 32 includes a screw portion (male screw) 322 that is screwed with the screw portion 312 of the first fixed body 31. The first operation portion 33 includes an annular portion 331 that is fixed to the other end portion of the first movable body 32 and can be hooked to the tip of an insulating operation rod (not shown).

  The cutting blade 4 is formed in a plate shape, and has a sharp tip formed to cut the covering material Y of the electric wire X. Then, the cutting blade 4 is switched by the displacing means 5 between a state in which it is arranged along the axial direction of the rolling elements 211 and 221 and a state in which it is arranged along the radial direction of the rolling elements 211 and 221. Configured to be possible. Further, the cutting blade 4 has a pair of rolling members 21 and 22 in order to cut a portion of the covering material Y located between the pair of rolling elements 211 and 211 (221 and 221) of each sandwiching portion 21 and 22. It arrange | positions between the moving bodies 211 and 211 (221,221).

  The displacement means 5 includes a second fixed body 51 attached to the first holding part 21, a second movable body 52 fixed to the cutting blade 4 and displaced relatively to the second fixed body 51, and an operator. And a second operation unit 53 to be operated. And the displacement means 5 is the radial direction of the rolling element 211, ie, the direction where the clamping parts 21 and 22 contact / separate, when the 2nd movable body 52 displaces relatively with respect to the 2nd fixed body 51. The cutting blade 4 is displaced relative to the first clamping part 21.

  The second fixed body 51 is disposed in a cylindrical shape along the radial direction of the rolling elements 211, 221 (the direction in which the clamping portions 21, 22 are in contact with and away from each other), and the first main body on the side opposite to the first fixed body 31. 212 is fixed. The second fixed body 51 includes a screw portion (male screw) 511 that is screwed into the second movable body 52 in the outer peripheral portion, and a through-hole 512 that is inserted into the second movable body 52 therein.

  The second movable body 52 is formed in a long shape, one end is fixed to the cutting blade 4, and the other end is pivotally attached to the second operation portion 53. The second movable body 52 is configured to be detachable from the second fixed body 51 by being inserted into and removed from the through hole 512 of the second fixed body 51. In addition, the second movable body 52 can be displaced relative to the second fixed body 51 in the longitudinal direction (insertion / removal direction) when inserted into the through hole 512, while the second fixed body 52 in the circumferential direction. By being locked by 51, it is possible to prevent rotational displacement relative to the second fixed body 51.

  Specifically, the second movable body 52 is configured to have a square cross-sectional shape and to be fitted with a through-hole 512 having a square cross-sectional shape. Thereby, the displacement means 5 is in a state in which the cutting blade 4 is positioned along the axial direction of the rolling elements 211 and 221 by inserting the second movable body 52 into the through hole 512 at a predetermined position. The cutting blade 4 is configured to be switchable to a state in which the cutting blade 4 is positioned along the radial direction of the rolling elements 211 and 221.

  The second operation portion 53 includes a screw portion (female screw) 531 that is formed in a cylindrical shape and is screwed with the screw portion 511 of the second fixed body 51 at the inner peripheral portion. The second operation portion 53 includes an annular portion 532 that is fixed to the other end side of the screw portion 531 and can be hooked to the tip of an insulating operation rod (not shown). Note that the second operation portion 53 pivotally attaches the second movable body 52 on the other end side of the inner peripheral portion of the screw portion 531.

  About the structure of the electric wire coating stripping tool 1 which concerns on this embodiment, it is as above, Next, about the 1st method of cut | disconnecting the coating | covering material Y of the electric wire X using the electric wire coating stripping tool 1 which concerns on this embodiment. This will be described with reference to FIGS.

  First, the cutting blade 4 is a target by screwing the second fixed body 51 and the second operation portion 53 of the displacing means 5 and displacing the second movable body 52 with respect to the second fixed body 51. It arrange | positions in the position according to the electric wire X. At this time, the plate-shaped cutting blade 4 is arranged in a direction perpendicular to the axial direction of the rolling elements 211 and 221. And the electric wire X is positioned between the 1st clamping part 21 and the 2nd clamping part 22 in the state which made the axial center direction of each rolling element 211,221 and the axial center direction of the electric wire X parallel.

  In this state, the first fixed body 31 and the first movable body 32 of the contact / separation means 3 are screwed together, and the second holding part 22 is brought close to the first holding part 21. Then, as shown to Fig.5 (a), the electric wire X can be clamped by a pair of clamping parts 21 and 22, specifically, the outer edge part of the four rolling elements 211, 211, 221, and 221. At this time, the plate-shaped cutting blade 4 is arranged in a direction orthogonal to the axial direction of the electric wire X.

  Then, when the wire covering stripping tool 1 is rotated in the circumferential direction of the electric wire X (the direction indicated by the two-dot chain line in FIG. 5A), the outer peripheral surface of the covering material Y is slid while the rolling elements 211 and 221 rotate. While moving, the cutting blade 4 cuts the coating material Y in the circumferential direction. Further, when the electric wire covering / peeling tool 1 is rotated, the cutting blade 4 cuts the covering material Y in the circumferential direction, and the first step is completed.

  Next, the first fixed body 31 and the first movable body 32 of the contacting / separating means 3 are screwed together, and the second holding part 22 is separated from the first holding part 21 as shown in FIG. Then, the electric wire X is positioned such that the axial center direction of each of the rolling elements 211 and 221 is orthogonal to the axial direction of the electric wire X, and the electric wire X is positioned between the first clamping portion 21 and the second clamping portion 22. The coating peeling tool 1 is moved. At this time, the cutting blade 4 is arranged at a position corresponding to the target electric wire X by the displacing means 5 as necessary.

  In this state, the first fixed body 31 and the first movable body 32 of the contact / separation means 3 are screwed together, and the second holding part 22 is brought close to the first holding part 21. Then, as shown in FIG. 6 (a), the electric wire X is clamped between the pair of clamping parts 21, 22, specifically, the grooves (recesses on the outer peripheral part) of the four rolling elements 211, 211, 221, and 221. it can.

  And if the electric wire coating | peeling stripping tool 1 is moved to the axial center direction (direction of the dashed-two dotted line of FIG. 6A) of the electric wire X, the outer peripheral surface of the coating | covering material Y will rotate while each rolling element 211,221 rotates. While sliding, the cutting blade 4 cut | disconnects the coating | covering material Y in an axial center direction. Further, when the wire covering / peeling tool 1 is moved, the cutting blade 4 cuts the covering material Y by a predetermined length in the axial direction, and the second step is completed.

  Further, the second clamping unit 22 is separated from the first clamping unit 21 by the contact / separation means 3. The electric wire X is positioned such that the axial direction of each of the rolling elements 211 and 221 is parallel to the axial direction of the electric wire X and the electric wire X is positioned between the first clamping portion 21 and the second clamping portion 22. The coating peeling tool 1 is moved. In this state, when the second clamping part 22 is brought close to the first clamping part 21 by the contact / separation means 3, the electric wire X can be clamped by the pair of clamping parts 21 and 22, as shown in FIG. Moreover, the cutting blade 4 is arrange | positioned in the position corresponding to the electric wire X used as the object by the displacement means 5 as needed.

  Then, when the wire covering / peeling tool 1 is rotated in the circumferential direction of the electric wire X (in the direction of the two-dot chain line in FIG. 6B), the outer peripheral surface of the covering material Y is slid while the rolling elements 211 and 221 rotate. In addition, the cutting blade 4 cuts the covering material Y in the circumferential direction. Thereby, a 3rd step is completed and the cut | disconnected coating | covering material Y can be peeled from the core wire Z (electric wire X).

  Next, a second method of cutting the covering material Y of the electric wire X using the electric wire covering / peeling tool 1 according to the present embodiment will be described with reference to FIGS.

  First, as shown to Fig.7 (a), the plate-shaped cutting blade 4 is arrange | positioned in the direction parallel to the axial center direction of each rolling element 211,221. And the electric wire X is clamped by a pair of clamping parts 21 and 22 so that the axial center direction of each rolling element 211,221 and the axial center direction of the electric wire X may orthogonally cross. At this time, the plate-shaped cutting blade 4 is arranged in a direction orthogonal to the axial direction of the electric wire X.

  And when the electric wire coating stripping tool 1 is rotated in the circumferential direction of the electric wire X (in the direction of the two-dot chain line in FIG. 7A), the rolling elements 211 and 221 slide on the outer peripheral surface of the covering material Y. The cutting blade 4 cuts the covering material Y in the circumferential direction, and the first step is completed. At this time, the rolling elements 211 and 221 slide on the outer peripheral surface of the covering material Y without rotating.

  Next, the second fixed body 51 of the displacing means 5 and the second operation portion 53 are screwed together, and the second movable body 52 is displaced relative to the second fixed body 51. As a result, the cutting blade 4 is retracted from the electric wire X, and the second movable body 52 and the second operation portion 53 are removed from the second fixed body 51 as shown in FIG. Further, the second movable body 52 is inserted into the through-hole 512 of the second fixed body 51 so that the plate-shaped cutting blade 4 is arranged in a direction perpendicular to the axial direction of the rolling elements 211 and 221. The movable body 52 and the second operation unit 53 are attached to the second fixed body 51 again.

  And the 2nd movable body 52 is displaced relatively with respect to the 2nd fixed body 51 by screwing the 2nd fixed body 51 and the 2nd operation part 53, and as shown to Fig.8 (a). The cutting blade 4 is caused to enter the electric wire X up to a position corresponding to the electric wire X to be processed. At this time, since the plate-shaped cutting blade 4 is positioned by the displacing means 5, it is arranged in a direction parallel to the axial center direction of the electric wire X.

  And if the electric wire coating | peeling stripping tool 1 is moved to the axial center direction (direction of the dashed-two dotted line of FIG. 8A) of the electric wire X, each rolling element 211,221 will slide on the outer peripheral surface of the coating | covering material Y. At the same time, the cutting blade 4 cuts the covering material Y by a predetermined length in the axial direction, and the second step is completed. At this time, the rolling elements 211 and 221 slide on the outer peripheral surface of the covering material Y while rotating.

  Further, the cutting blade 4 is retracted from the electric wire X, the second movable body 52 and the second operation portion 53 are detached from the second fixed body 51, and the plate-shaped cutting blade 4 is the axis of each rolling element 211, 221. The second movable body 52 is inserted into the through hole 512 of the second solid body 51 so as to be arranged in a direction parallel to the direction. And the 2nd movable body 52 and the 2nd operation part 53 are again attached to the 2nd fixed body 51, and as shown in FIG.8 (b), it is with respect to the electric wire X to the position according to the electric wire X used as object. The cutting blade 4 is entered.

  After that, when the wire covering / peeling tool 1 is rotated in the circumferential direction of the electric wire X (in the direction of the two-dot chain line in FIG. 8B), the rolling elements 211 and 221 slide on the outer peripheral surface of the covering material Y. The cutting blade 4 cuts the covering material Y over the circumferential direction. At this time, the rolling elements 211 and 221 slide on the outer peripheral surface of the covering material Y without rotating. Thereby, a 3rd step is completed and the cut | disconnected coating | covering material Y can be peeled from the core wire Z (electric wire X).

  As described above, according to the electric wire covering / peeling tool 1 according to the present embodiment, the cutting blade 4 can advance and retreat with respect to the electric wire X held by the holding portion 2 by the displacing means 5. Furthermore, the pair of clamping parts 21 and 22 provided in the holding part 2 can be contacted and separated by the contacting / separating means 3. Thereby, according to the kind and size of electric wire X, while cutting blade 4 advances and retreats with respect to electric wire X, a pair of holding parts 21 and 22 are approached, and electric wire X is held and held, and various It is possible to flexibly cope with the electric wire, and it is possible to simplify the work of peeling the covering material Y of the electric wire X.

  In addition, according to the wire covering / peeling tool 1 according to the present embodiment, each of the holding portions 21 and 22 is provided with a pair of rolling elements 211 and 221 disposed so as to be in contact with the wire X. Thereby, since each rolling element 211,221 rolls as each clamping part 21,22 (holding part 2) slides on the electric wire X, the electric wire X and each clamping part 21,22 (holding part 2) ), The generation of frictional force can be suppressed. Therefore, since the electric wire covering stripping tool 1 can smoothly slide the electric wire X, the work of peeling the covering material Y of the electric wire X can be further simplified.

  In addition, according to the wire covering / peeling tool 1 according to the present embodiment, a pair of rolling elements 211 and 221 are provided in each of the clamping portions 21 and 22, respectively. And since the cutting blade 4 is arrange | positioned between a pair of rolling elements 211,211 (221,221), the site | part of the coating | covering material Y located between a pair of rolling elements 211,211 (221,221), ie, a pair The portions of the covering material Y that are stably held by the rolling elements 211, 211 (221, 221) can be cut, and as a result, the covering material Y of the electric wire X can be stably cut.

  Further, according to the wire covering / peeling tool 1 according to the present embodiment, the rolling elements 211 and 221 are rollers, and all the rolling elements 211, 211, 221, and 221 are arranged so as to rotate around the same direction. Established. Thereby, while the axial direction of each rolling element 211,221 and the axial direction of the electric wire X are parallel, each rolling element 211,221 can be rotated and the electric wire X can be slid in the circumferential direction. In a state where the axial center direction of each rolling element 211, 221 and the axial center direction of the electric wire X are orthogonal, the rolling element 211, 221 can be rotated and the electric wire X can be slid in the axial direction.

  Further, according to the wire covering / peeling tool 1 according to the present embodiment, when the electric wire X is held, the annular portion 331 of the first operation portion 33 and the annular portion 532 of the second operation portion 53 are arranged on both sides of the electric wire X. Therefore, the annular operation portions 331 and 532 can be hooked on the tip of the insulating operation rod and operated. Therefore, the present invention can also be applied to an indirect hot wire operation in which the covering material Y at the intermediate portion of the installed electric wire X is cut and peeled off.

  Next, a second embodiment of the wire covering and peeling tool according to the present invention will be described with reference to FIGS. 9-13, the part which attached | subjected the code | symbol same as the code | symbol of FIGS. 1-8 represents the structure or element substantially the same as 1st Embodiment.

  As shown in FIGS. 9 to 11, the wire covering / peeling tool 10 according to the present embodiment is in contact with the holding portion 20 having a pair of holding portions 24 and 25 that hold the electric wire X and hold it slidably. The separation means 3, the cutting blade 4, and the displacement means 5 are provided. Here, the electric wire covering / peeling tool 10 according to the present embodiment is greatly different from the electric wire covering / peeling tool 1 according to the first embodiment only in the configuration of the holding portion 20, so that the contacting / separating means 3, The description about the cutting blade 4 and the displacement means 5 is abbreviate | omitted.

  One clamping part (hereinafter, also referred to as “first clamping part”) 24 includes a pair of rolling elements 241 and 241 that are arranged in contact with the electric wire X and roll as the electric wire X slides. The rolling element 241 is formed in a spherical shape. The first clamping unit 24 includes a first main body 242 that accommodates the pair of rolling elements 241 and 241 and is fixed to the second fixed body 51 of the displacing means 5.

  The first main body 242 includes housing portions 242a and 242a for exposing a part of each rolling element 241 so that each rolling element 241 contacts the electric wire X and accommodating each rolling element 241 so as to allow rolling. The first main body 242 includes a communication hole 242 b that is disposed between the pair of housing portions 242 a and 242 a and communicates with the through hole 512 of the second fixed body 51.

  Each housing portion 242a has an opening smaller than the rolling body 241 on the inner side, specifically, the other housing portion 242a side in order to expose a part of the rolling body 241 and prevent the rolling body 241 from coming out. And provided on the other clamping part (hereinafter also referred to as “second clamping part”) 25 side. Further, the communication hole 242b is formed in the same shape as the through hole 512, that is, in a square shape, in order to position the cutting blade 4.

  The 2nd clamping part 25 is arrange | positioned so that the electric wire X may be contacted, and may be provided with a pair of rolling elements 251 and 251 that roll as the electric wire X slides, and each rolling element 251 is formed in a spherical shape. The second clamping unit 25 includes a second main body 252 that houses a pair of rolling elements 251 and 251 and is pivotally attached to the first movable body 32 of the contacting / separating means 3.

  The 2nd main body 252 is equipped with accommodating part 252a, 252a which exposes a part of each rolling element 251 so that each rolling element 251 contacts the electric wire X, and accommodates each rolling element 251 so that rolling is possible. Each accommodating portion 252a exposes a part of the rolling element 251 and has an opening smaller than the rolling element 251 on the inner side, specifically, the other accommodating portion in order to prevent the rolling element 251 from coming out. It is provided on the 252a side and the first clamping unit 24 side.

  By the way, the four rolling elements 241, 241, 251, and 251 are arranged so that their centers are located on the same plane (hereinafter also referred to as “center passage plane”). The plate-shaped cutting blade 4 can be switched between a state arranged along a direction parallel to the center passage surface and a state arranged along a direction orthogonal to the center passage surface. Configured.

  The configuration of the wire covering / peeling tool 10 according to the present embodiment is as described above. Next, with respect to a method of cutting the covering material Y of the wire X using the wire covering / peeling tool 10 according to the present embodiment, FIG. This will be described with reference to FIG.

  First, as shown to Fig.12 (a), the plate-shaped cutting blade 4 is arrange | positioned in the direction parallel to a center passage surface. And the electric wire X is arrange | positioned so that the axial center direction of the electric wire X may be orthogonal to the cutting blade 4, and the electric wire X is clamped by a pair of clamping parts 24 and 25. FIG. Then, when the wire covering stripping tool 10 is rotated in the circumferential direction of the electric wire X (the direction indicated by the two-dot chain line in FIG. 12A), the outer peripheral surface of the covering material Y is slid while the rolling elements 241 and 251 roll. In addition, the cutting blade 4 cuts the covering material Y in the circumferential direction. Thereby, the first step is completed.

  Next, as shown in FIG. 12B, the second movable body 52 and the second operation part 53 are removed from the second fixed body 51. And the 2nd movable body 52 and the 2nd operation part 53 are again attached to the 2nd fixed body 51 so that the plate-shaped cutting blade 4 may be arrange | positioned in the direction parallel to the axial center direction of the electric wire X, FIG. ), The cutting blade 4 is caused to enter the electric wire X up to a position corresponding to the electric wire X to be processed.

  From this state, when the electric wire covering stripping tool 10 is moved in the axial center direction of the electric wire X (in the direction of the two-dot chain line in FIG. 13A), the rolling elements 241 and 251 roll while the covering material Y is moving. While sliding on the outer peripheral surface, the cutting blade 4 cuts the coating material Y by a predetermined length in the axial direction. Thereby, the second step is completed.

  Further, the second movable body 52 and the second operation portion 53 are detached from the second fixed body 51, and the second movable body 52 is arranged so that the plate-like cutting blade 4 is arranged in a direction orthogonal to the axial center direction of the electric wire X. And the 2nd operation part 53 is attached to the 2nd fixing body 51 again. And as shown in FIG.13 (b), the cutting blade 4 is made to approach with respect to the electric wire X to the position according to the electric wire X used as object.

  Then, when the electric wire coating stripping tool 10 is rotated in the circumferential direction of the electric wire X (in the direction of the two-dot chain line in FIG. 13B), the outer circumferential surface of the covering material Y is rolled while the rolling elements 241 and 251 roll. While sliding, the cutting blade 4 cut | disconnects the coating | covering material Y over the circumferential direction. Thereby, a 3rd step is completed and the cut | disconnected coating | covering material Y can be peeled from the core wire Z (electric wire X).

  As described above, according to the wire covering / peeling tool 10 according to the present embodiment, the rolling elements 241 and 251 formed in a spherical shape are accommodated in the accommodating portions 242a and 252a in a rollable manner. And a part of each rolling element 241,251 is exposed, and each rolling element 241,251 can contact the electric wire X and can clamp the electric wire X. FIG. Accordingly, when the electric wire X is slid in the circumferential direction and the axial direction, the rolling elements 241 and 251 can be rolled in any direction without changing the arrangement of the electric wire X.

  Next, a third embodiment of the wire covering and peeling tool according to the present invention will be described with reference to FIGS. 14 and 15, the parts denoted by the same reference numerals as those in FIGS. 1 to 8 represent substantially the same configurations or elements as those in the first embodiment.

  As shown in FIGS. 14 and 15, the wire covering / peeling tool 11 contacts and separates the holding portion 2, the cutting blade 4, and the first and second holding portions 21 and 22, and also holds the cutting blade 4 in the holding portion 2. And contact / separation displacement means 6 for relatively displacing. Here, the electric wire covering / peeling tool 11 according to the present embodiment is largely different from the electric wire covering / peeling tool 1 according to the first embodiment only in the configuration of the contact / separation displacement means 6, and therefore, the holding unit 2. And the description about the cutting blade 4 is abbreviate | omitted.

  The contact / separation displacement means 6 includes a fixed body 61 fixed to the first sandwiching portion 21, a first movable body 62 fixed to the second sandwiching portion 22 and displaced relatively to the fixed body 61, and a first And a first operation unit 63 operated by an operator to displace the movable body 62. The contact / separation displacement means 6 is fixed to the cutting blade 4 and is operated by an operator to displace the second movable body 64 that is relatively displaced with respect to the first movable body 62 and the second movable body 62. And a second operation unit 65.

  The fixed body 61 is fixed to the first main body 212 via a connecting portion 611 disposed outside the rolling elements 211 and 221. The fixed body 61 guides the second main body 222 when the first movable body 62 is relatively displaced so as to maintain a state in which the axial center directions of the rolling elements 211 and 221 are arranged in parallel. Flat guide portions 612 and 612 are provided. The fixed body 61 is inserted into the first movable body 62 and has an opening 613 in which no screw is formed and an annular projecting engagement that locks the first operating portion 63 so as not to be separated while being rotatable. And a stop piece 614.

  The first movable body 62 is disposed in a cylindrical shape along the radial direction of the rolling element 211 (the direction in which the clamping portions 21 and 22 are in contact with and away from each other). The first movable body 62 includes a first screw portion (male screw) 621 that is screwed into the first operation portion 63 on the outer peripheral portion on one end portion (an end portion fixed to the second holding portion 22) side. At the same time, a through hole 622 inserted into the second movable body 64 is provided along the axial direction.

  The first movable body 62 includes a second screw portion (male screw) 623 that is screwed with the second operation portion 65 on the outer peripheral portion on the other end side. Further, the first movable body 62 includes a projecting portion 624 that is disposed between the first and second screw portions 621 and 623 and projects outward in the radial direction, and the projecting portion 624 is locked to the first operating portion 63. This prevents the second clamping unit 22 from approaching the first clamping unit 21 more than necessary (for example, colliding).

  The first operation portion 63 is formed in a cylindrical shape, and has a screw portion (female screw) 631 that is screwed with the first screw portion 621 of the first movable body 62 at the inner peripheral portion, and radially outward from the outer peripheral portion. And a pair of protruding pieces 632 and 632 for being picked by an operator. The first operating portion 63 can be rotated and displaced with respect to the fixed body 61 by being locked to the locking piece 614 of the fixed body 61, but can not be brought into contact with and separated from the fixed body 61, and thus can rotate. Thus, the first movable body 62 is displaced relative to the fixed body 61.

  The second movable body 64 is formed in a long shape, one end is fixed to the cutting blade 4, and the other end is pivotally attached to the second operation unit 65. The second movable body 64 is configured to be detachable from the first movable body 62 by being inserted into and removed from the through hole 622 of the first movable body 62. In addition, the second movable body 64 is configured to fit in the through hole 622 having a square cross-sectional shape and a square cross-sectional shape. It can switch to the state each positioned along the axial center direction and radial direction of 211,221.

  The second operation portion 65 includes a screw portion (female screw) 651 that is formed in a cylindrical shape and is screwed with the second screw portion 623 of the first movable body 62 at the inner peripheral portion. The second operation portion 65 includes an annular portion 652 that is fixed to the other end of the screw portion 651 and can be hooked to the tip of an insulating operation rod (not shown). The second operation unit 65 pivotally attaches the second movable body 64 on the other end side of the inner peripheral portion of the screw portion 651.

  As described above, in the wire covering / peeling tool 11 in the state shown in FIG. 14, when the first operation unit 63 is rotated, the first movable body 62 is moved relative to the fixed body 61 as shown in FIG. Are relatively displaced. Thereby, a pair of clamping parts 21 and 22 approach (contact / separate) in the direction orthogonal to the axial center direction of the rolling elements 211 and 221. At this time, the second movable body 64 is also integrated with the first movable body 62 and displaced relative to the fixed body 61.

  Further, when the second operation unit 65 is rotated, the second movable body 64 is displaced relative to the first movable body 62 as shown in FIG. The body 64 is also displaced relative to the fixed body 61. As a result, the cutting blade 4 is displaced relative to the second clamping part 22 in the radial direction of the rolling elements 211, 221, that is, in the direction in which the clamping parts 21, 22 are in contact with and away from each other.

  In addition, the electric wire coating / peeling tool according to the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made without departing from the gist of the present invention. Further, the configurations and methods of the plurality of embodiments described above may be arbitrarily adopted and combined (even if the configurations and methods according to one embodiment are applied to the configurations and methods according to other embodiments). Of course, it is of course possible to arbitrarily select configurations, methods, and the like according to various modifications described below and employ them in the configurations, methods, and the like according to the above-described embodiments.

  For example, in the electric wire sheath peeling tools 1, 10, and 11 according to the above-described embodiment, the case has been described in which the sandwiching portions 21, 22, 24, and 25 include a pair of rolling elements 211, 221, 241, and 251. Not limited to. For example, the clamping unit may include one or more rolling elements, or one clamping unit and the other clamping unit may include different numbers of rolling elements, and the clamping unit does not include the rolling elements. It may be the case.

  Moreover, in the electric wire coating | coated peeling tools 1,10,11 which concern on the said embodiment, the case where the cutting blade 4 is arrange | positioned between a pair of rolling elements 211,211 (221,221,241,241,251,251). Although demonstrated, it is not restricted to such a case, The case where it arrange | positions outward rather than a pair of rolling elements 211,211 (221,221,241,241,251,251) may be sufficient.

  Moreover, in the electric wire coating | peeling stripping tool 1,10,11 which concerns on the said embodiment, although the 2nd movable bodies 52 and 64 and the through-holes 512 and 622 demonstrated the case where it was square-shaped cross-sectional shape, such a case For example, the second movable body and the through hole may have a cross-shaped cross-section, and when the second movable body is inserted into the through hole, the cutting blade cuts the covering material Y. It is preferable to be configured to be positioned at a predetermined position.

  Moreover, in the electric wire coating | peeling stripping tool 1,10,11 which concerns on the said embodiment, although the case where the cutting blade 4 was formed in plate shape was demonstrated, it is not restricted to such a case, for example, a cutting blade is needle-shaped. It may be formed. According to such a configuration, there is no restriction in the direction in which the cutting blade cuts the covering material Y, and thus, for example, it was necessary when cutting with the wire covering stripping tools 1 and 10 according to the first and second embodiments. The operation of changing the arrangement of the electric wires X to be sandwiched and the operation of changing the arrangement of the cutting blade 4 can be omitted.

  Moreover, in the electric wire coating stripping tools 1, 10, and 11 according to the above-described embodiment, the contact / separation means 3, the displacement means 5 and the contact / separation displacement means 6 are fixed mechanisms 31, 51, 61 and a movable body 32, respectively by a screw mechanism. Although the case where 52, 62, and 64 are displaced relatively was demonstrated, it is not restricted to such a case. For example, the movable body may be fixed to the fixed body by the fastening means while sliding on the fixed body, and may be displaced or fixed relative to the fixed body via the ratchet mechanism. You may do it.

  Moreover, in the electric wire coating peeling tools 1 and 10 which concern on the said 1st and 2nd embodiment, although the electric wire coating peeling tools 1 and 10 were moved and the case where the coating material Y was cut | disconnected was demonstrated, in such a case The case is not limited, and the wire X may be moved to cut the covering material Y.

  DESCRIPTION OF SYMBOLS 1,10,11 ... Electric wire covering stripping tool, 2,20 ... Holding part, 4 ... Cutting blade, 21, 22, 24, 25 ... Holding part, 211,221, 241,251 ... Rolling element, 251a, 252a ... Housing Part, X ... electric wire, Y ... covering material

Claims (5)

A holding portion that slidably holds the electric wire, and a cutting blade that cuts the covering of the electric wire to be held; the cutting blade is configured to move forward and backward with respect to the held electric wire; In the wire sheath peeling tool configured to be relatively displaceable,
The holding part includes a pair of holding parts that can be brought into and out of contact with each other so that the electric wire can be held and held.   The wire covering / peeling tool according to claim 1, wherein each holding portion includes at least one rolling element that is disposed so as to be in contact with the electric wire and rolls as the electric wire slides.   The electric wire according to claim 2, wherein at least one sandwiching portion includes a pair of rolling elements, and the cutting blade is disposed between the pair of rolling elements so as to cut a portion of the covering material positioned between the pair of rolling elements. Cover stripping tool.   The electric wire covering and peeling device according to claim 2 or 3, wherein the rolling elements are rollers, and each of the rolling elements is disposed so as to rotate around the same direction.   3. Each rolling element is formed in a spherical shape, and each clamping part includes an accommodating portion that exposes a part of the rolling element such that the rolling element contacts the electric wire and accommodates the rolling element in a rollable manner. 3. The wire coating stripping tool according to 3.

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