JP2016086466A - Insulation coating peeler for wire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insulation coating peeler for wire which improves workability in peeling an insulation coating of a wire.SOLUTION: The insulation coating peeler for wire comprises: a stationary holding part 10 for holding a conductor 101 along a wire 100 which is coated with an insulation coating 102; a movable holding part 20 which is in contact with and separated from the stationary holding part 10, the movable holding part 20 holding the wire 100 together with the stationary holding part 10; a blade part 30 engaged into the insulation coating 102 of the wire 100 held by the movable holding part 20 which is in contact with and separated from the stationary holding part 10; at least two or more operation members 40 and 50 for rotation which protrude from the stationary holding part in different directions; and a handle 60 which protrudes from the movable holding part 20 oppositely to the stationary holding part 10 and moves the movable holding part 20 forwards and backwards relatively to the stationary holding part 10. Operation parts 41 and 51 of the operation members 40 and 50 for rotation and the handle 60 are provided to pass on a virtual circle (c) with a holding position (g) of the wire 100 as a center.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an insulating coating stripper for an electric wire for stripping off an insulating coating covering a conductor.

  Conventionally, various strippers for stripping off the insulation coating of electric wires have been provided (see, for example, Patent Document 1).

  As one of them, as shown in FIG. 4, a fixed sandwiching portion 111 and a movable sandwiching portion 112 that sandwich the electric wire 100, a shaft 130 with the movable sandwiching portion 112 attached to the tip portion, and a first that fixes the fixed sandwiching portion 111. A stripper is provided that includes a frame 120 having a support part 121 and a second support part 122 through which the shaft 130 passes, and a blade part 140 for making a cut in the insulating covering 102 covering the conductor 101. Yes.

  The fixed clamping part 111 and the movable clamping part 112 are arrange | positioned so that it may oppose. The fixed clamping part 111 and the movable clamping part 112 have groove parts 111a and 112a on opposing surfaces. The shaft 130 moves forward and backward in the axial direction. As the shaft 130 advances and retreats, the movable holding portion 112 contacts and separates from the fixed holding portion 111.

  The blade part 140 is held by the movable holder 141. The movable holder 141 is supported by a spring 142 implanted in the first support part 121. The blade portion 140 slightly protrudes into the groove portion 111 a of the fixed clamping portion 111 while being urged by the spring 142.

  Then, by arranging the electric wire 100 between the fixed holding portion 111 and the movable holding portion 112 that are separated from each other and moving the shaft 130 forward, the fixed holding portion 111 and the movable holding portion 112 hold the electric wire 100 between them, The blade portion 140 bites into the insulating cover 102 of the electric wire 100. Then, the stripper is rotated such that the electric wire 100 does not rotate in the circumferential direction.

  In order to rotate the stripper, an operation tool (not shown) is alternately engaged with the first support part 121 and the second support part 122 as the operation parts. And the insulation coating body 102 is stripped by moving the electric wire 100 to a length direction.

JP 2001-327025 A

  By the way, the conventional stripper has a gap between the electric wire 100 and the second support part 122 (operation part) rather than the gap between the electric wire 100 and the first support part 121 (operation part) in a state where the electric wire 100 is sandwiched. It is getting bigger.

  For this reason, it is difficult to maintain a fixed posture in which the electric wire 100 is sandwiched, and when the operation tool hooks the first support part 121 (operation part) and rotates the stripper, the operation tool is used as the second support part. The degree of application of the force differs depending on whether the stripper 121 is rotated while the operation unit 121 is engaged. Therefore, this stripper is difficult to strip off the insulating covering 102 of the electric wire 100.

  Then, this invention makes it a subject to provide the insulation coating body stripping device for electric wires which improved the workability | operativity which strips off the insulation coating body of an electric wire.

  An insulating covering stripping device for electric wires according to the present invention includes a fixed sandwiching portion that follows a wire whose conductor is covered with an insulating coating, and a movable sandwiching portion that contacts and separates from the fixed sandwiching portion. And a movable clamping part that sandwiches the electric wire, a blade part that bites into the insulation covering of the electric wire sandwiched between the fixed clamping part and the movable clamping part, and at least two or more rotating operations protruding in different directions from the fixed clamping part A rotating operation member having an operation portion on which an operation tool for indirect hot-line work is hooked, and a member protruding from the movable holding portion in a direction opposite to the fixed holding portion, and fixing the movable holding portion to the fixed holding portion A handle for advancing and retreating with respect to the holding portion, and a handle on which an operation tool for indirect hot-line work is hooked, and the operation portion and the handle of each rotation operating member are centered on the holding position of the electric wire Pass on a virtual circle It is characterized in that is provided. Note that the operation tool for indirect hot-line work is an insulating hook or gripping tool attached to the tip of an insulating operation rod for working from a remote position while ensuring insulation.

  According to this insulation covering stripper for electric wires, when the handle is rotated, the movable holding portion comes close to the fixed holding portion, and the movable holding portion and the fixed holding portion pinch the electric wire. In this state, the blade part bites into the insulating covering of the electric wire. And the operation part of the two or more operation members for rotation which protruded from the fixed clamping part, and the handle which protruded from the movable clamping part pass on the virtual circle centering on the clamping position of an electric wire. Therefore, the rotating operation member and the handle are balanced regardless of the direction, and the operation member and the handle of the rotating operation member in the posture are hooked with the operation tool for indirect live work so that it can be easily operated. It has become.

  And the operation part and handle of each operation member for rotation are provided so that it may pass on the virtual circle centering on the pinching position of an electric wire, and it was latched by the operation tool for indirect hot line work A uniform rotational force is applied from the operation portion and the handle of each rotation operation member, and the insulating covering can be evenly peeled off.

  Here, as an aspect of the insulating coating strip remover for electric wires according to the present invention, a configuration in which the operating portion and the handle of the operating member for rotation are provided with through holes can be adopted.

  According to this wire insulation stripping device, it is easy to hook an operation tool for indirect hot-wire work in the through hole provided in the operation part and handle of the rotary operation member, and for indirect hot-wire work. By pulling or pushing the operation tool, the rotation operation unit and the handle can be rotated around the electric wire clamping position.

  Moreover, as another aspect of the insulation covering stripper for electric wires according to the present invention, at least one of the operation members for rotation includes a cylindrical or columnar grip portion to be clamped by a clamping tool. It is good also as composition which has.

  According to this insulating coating stripper for electric wires, the grip portion is clamped by the clamping tool, so that the insulating coating stripper for electric wires can approach the upper electric wire.

  Further, as still another aspect of the insulation covering stripper for electric wires according to the present invention, a shaft that is screwed into the fixed clamping part and advances and retracts in the axial direction by rotation in the circumferential direction, from the movable clamping part A shaft having the handle attached to one end projecting outward is provided, and the movable holding portion is attached to a fixed position of the shaft so that the movable holding portion can move without rotating in conjunction with the advance and retreat of the shaft. A configuration can be employed.

  According to this wire insulation stripping device, when the handle is rotated, the shaft attached to the handle advances and retreats in the axial direction, and the movable holding portion attached to the fixed position of the shaft is fixedly held. It can be moved in the direction of contacting and separating without rotating to the part.

  Moreover, as still another aspect of the insulation covering stripper for electric wires according to the present invention, the fixed clamping portion includes a groove portion for engaging the electric wire, and the blade edge of the blade portion projects into the groove. A configuration can be employed.

  According to this insulation covering stripping device for electric wires, the direction of the electric wires can be stabilized by engaging the electric wires in the groove portions provided in the fixed clamping portion, and the blade portions protruding into the groove portions can be stabilized. It is possible to make the cutting edge accurately bite into the insulating coating of the electric wire.

  Further, as still another aspect of the insulating covering stripping device for electric wires according to the present invention, the fixed clamping portion has a fixing portion for fixing the rotating operation member, and a groove portion for engaging the electric wire, And the receiving part which fixed the blade part so that the blade edge | tip of the said blade part may protrude in this groove part, and the structure by which the fixing | fixed part and the receiving part were integrated so that isolation | separation was possible is employable.

  According to this insulation covering stripper for electric wires, the fixed clamping portion includes the fixed portion and the receiving portion, and both are detachably integrated, so that the receiving portion is separated from the fixed portion and received. The blade portion fixed to the portion can be easily replaced.

  ADVANTAGE OF THE INVENTION According to this invention, the insulation coating body stripping device for electric wires which improved the operativity which strips off the insulation coating body for electric wires can be provided.

FIG. 1 is a front view showing an embodiment of an insulation covering stripping device for electric wires according to the present invention which is not used. FIG. 2 is a plan view showing an embodiment of the insulation coating stripper for an electric wire according to the present invention in use. FIG. 3 is a front view showing an embodiment of the insulation coating stripper for an electric wire according to the present invention in use. FIG. 4 is a cross-sectional front view illustrating an example of a conventional insulation covering stripper for electric wires.

  An embodiment of an insulation covering stripper for electric wires according to the present invention will be described with reference to FIGS.

  This electric wire insulation covering stripping device (hereinafter referred to as “stripping device”) includes a fixed clamping portion 10 that runs along the electric wire 100 in which the conductor 101 is covered with the insulating coating 102, and the fixed clamping portion 10. A movable clamping unit 20 that contacts and separates, a movable clamping unit 20 that sandwiches the electric wire 100 together with the fixed clamping unit 10, and a blade that bites into the insulating covering 102 of the electric wire 100 sandwiched between the fixed clamping unit 10 and the movable clamping unit 20 Part 30 and two or more rotation operation members protruding in different directions from the fixed clamping part 10 (in this embodiment, described as “first rotation operation member 40” and “second rotation operation member 50”) The first rotation operation member 40, the second rotation operation member 50 having operation portions 41, 51 on which an operation tool (not shown) for indirect hot-line work is hooked, From the movable clamping part 20 Projecting a clamping portion 10 in the opposite direction, a handle 60 for advancing and retracting the movable clamping portion 20 relative to the fixed clamping portion 10, and a handle 60 operating tool for indirect live-line working is hooked.

  As shown in FIG. 3, the operation unit 41 of the first rotation operation member 40, the operation unit 51 of the second rotation operation member 50, and the handle 60 are virtual circles centered on the clamping position g of the electric wire 100. It is provided so that it may pass over c. More specifically, it is an imaginary line (not shown) extending radially (in this embodiment, three directions) with the sandwiching position g as the center, and is equally spaced (120 ° interval in this embodiment). The operation unit 41 of the first rotation operation member 40, the operation unit 51 of the second rotation operation member 50, and the handle 60 are disposed at each intersection of the virtual line and the virtual circle c.

  And the fixed clamping part 10 has the fixing | fixed part 11 which fixes the operation member 40 for 1st rotation, and the operation member 50 for 2nd rotation, and the groove part 12c which engages the electric wire 100, and is in the groove part 12c. The receiving part 12 which fixed the blade part 30 so that the blade edge | tip 31 of the blade part 30 protrudes is provided. The fixing part 11 and the receiving part 12 are integrated so as to be separable by a screw 90.

  The first rotation operation member 40 and the second rotation operation member 50 protrude in the opposite direction from the fixed portion 11 of the fixed clamping portion 10. The fixing portion 11 includes a pair of flat plates 11a facing each other and a spacer portion 11b sandwiched between the pair of flat plates 11a.

  And the receiving part 12 is equipped with the fitting part 12a pinched | interposed into a pair of flat plate 11a, and the main-body part 12b provided in a row by this fitting part 12a, and projecting from the flat plate 11a. A groove 12c is formed in the main body 12b. The groove 12c is formed in a direction perpendicular to the pair of flat plates 11a.

  Then, the first rotation operating member 40 is fixed to one end of the pair of flat plates 11 a of the fixing portion 11. The first rotating operation member 40 includes a first connecting portion 42 sandwiched between one end portions of the flat plate 11a, and an operation portion 41 that is connected to the first connecting portion 42 and protrudes from one end portion of the flat plate 11a. I have. The operation unit 41 includes a through hole 41a. The direction of the through hole 41a is the same as that of the groove portion 12c provided in the receiving portion 12.

  Then, the second rotation operation member 50 is fixed to the other end of the pair of flat plates 11 a of the fixing portion 11. The second rotation operating member 50 is connected to the second connecting portion 52 sandwiched between the other ends of the flat plate 11a and the second connecting portion 52, and is orthogonal to the groove 12c from the other end of the flat plate 11a. And a grip portion 53 protruding in the direction.

  The grip part 53 is a target to be clamped by a clamping tool (not shown) and has a length to be gripped by the clamping tool. The clamping tool is, for example, a pin that connects a fixed grip piece and a movable grip piece, and grips the grip portion 53 by opening and closing the movable grip piece with respect to the fixed grip piece.

  Further, the grip portion 53 is formed in a cylindrical shape in order to reduce the weight. However, the grip part 53 may be formed in a shaft shape. In any case, a through hole 53a is formed in the intermediate portion of the grip portion 53 so as to face the same direction as the groove portion 12c provided in the receiving portion 12. This through hole 53 a is used as the operation portion 51 of the second rotation operation member 50.

  The receiving portion 12 and the movable holding portion 20 are formed so that a female screw and a small hole (both not numbered) in a direction penetrating between the pair of flat plates 11a communicate with each other. The female screw and the small hole are formed in a portion close to the groove 12c. The small holes are formed on both sides of the female screw.

  And the shaft 70 which formed the external thread has penetrated the both internal thread of the receiving part 12 and the movable clamping part 20. As shown in FIG. The shaft 70 advances and retreats in the axial direction by rotation in the circumferential direction. Further, the shaft 70 and the movable clamping unit 20 are engaged so that the movable clamping unit 20 moves in conjunction with the advancement and retraction of the shaft 70.

  A rod 80 is bridged between the small holes. By this rod 80, the movable clamping part 20 moves in the axial direction of the shaft 70 without rotating. Further, a groove 20c is also formed in the movable sandwiching portion 20, and the groove 20c of the movable sandwiching portion 20 and the groove 12c of the fixed sandwiching portion 10 sandwich the electric wire 100 in a state where the movable sandwiching portion 20 is close to the fixed sandwiching portion 10. .

  A holder 71 of the handle 60 is attached to one end of the shaft 70 that protrudes outward from the movable holding portion 20. The handle 60 includes an attachment portion 62 that is fixed by being sandwiched between holders 71 and an operation portion 61 that is connected to the attachment portion 62. The operation part 61 is formed in an annular shape provided with a through hole 61 a, and this through hole 61 a serves as the operation part 61 of the handle 60. Further, when the handle 60 is rotated, the shaft 70 rotates in the circumferential direction and advances and retracts in the axial direction.

  Further, a stopper 72 having an enlarged diameter for preventing the shaft 70 from being pulled out is provided at the other end of the shaft 70 protruding from the receiving portion 12.

  In addition, it is preferable that each member other than the blade part 30 is molded with resin in order to further reduce the weight so that the operator does not get an electric shock.

  This stripper is configured as described above. Next, the usage method will be described.

  In the state where the stripper before work is not in use, the movable clamping unit 20 is separated from the main body 12b as shown in FIG. The first rotation operation member 40 or the second rotation operation member 50 of the stripper is supported by an operation tool for indirect hot-wire work, and the electric wire 100 is inserted into the groove portion 12c provided in the main body portion 12b. In this state, since the length from the clamping position g to the handle 60 is longer than the length from the clamping position g to the first rotation operation member 40 or the second rotation operation member 50, the handle 60 faces downward. .

  By rotating the handle 60 in the tightening direction, the shaft 70 rotates in the circumferential direction and moves forward in the axial direction, that is, moves toward the fixed clamping unit 10. As the shaft 70 advances, the movable clamping unit 20 approaches the main body 12b. Since the rod 80 is bridged between the movable clamping part 20 and the main body part 12b, the movable clamping part 20 does not rotate together. Then, when the electric wire 100 is sandwiched between the groove portion 20c of the movable holding portion 20 and the groove portion 12c of the main body portion 12b, the rotation operation of the handle 60 is stopped.

  At this time, as shown in FIG. 3, the blade edge 31 of the blade portion 30 bites into the insulating cover 102 of the electric wire 100. Further, since the male screw of the shaft 70 and the female screw provided in the fixed clamping portion 10 are screwed together, the cutting edge 31 of the blade portion 30 is firmly maintained in a state of being bitten into the insulating cover 102. .

  And since the operation part 41 of the operation member 40 for 1st rotation, the operation part 51 of the operation member 50 for 2nd rotation, and the handle 60 are located on the virtual circle c centering on the clamping position g of the electric wire 100, Balance the stripper to prevent it from rotating.

  Particularly in this embodiment, the operation unit 41 of the first rotation operation member 40, the operation unit 51 of the second rotation operation member 50, and the handle at the intersection of the virtual circle c centered on the clamping position g and the radial virtual line. Since 60 is located, the same rotational force can be applied from any of the operation unit 41 of the first rotation operation member 40, the operation unit 51 of the second rotation operation member 50, and the handle 60.

  Then, an indirect live tool is hooked on either the operation unit 41 of the first rotation operation member 40, the operation unit 51 of the second rotation operation member 50, or the handle 60, and the stripper with the electric wire 100 as the rotation axis. Rotate.

  By this rotation, the cutting edge 31 of the blade part 30 cuts the insulating covering 102 of the electric wire 100 over the entire circumference. Then, by moving the stripper in the length direction of the electric wire 100, the insulating covering 102 of the electric wire 100 is peeled off so as to draw a spiral.

  When the insulating covering 102 is peeled off at a predetermined length, the stripper stops rotating. Then, the handle 60 is turned downward and the handle 60 is rotated in the direction of loosening. If it does so, the movable clamping part 20 will space apart from the main-body part 12b, and the electric wire 100 will be in the state which remove | deviates from both the groove parts 12c and 20c of the movable clamping part 20 and the main-body part 12b. And a series of work is complete | finished when an indirect hot wire tool latches the operation member 40 for 1st rotation, or the operation member 50 for 2nd rotation, and removes a stripper from the electric wire 100. FIG.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention. For example, although the operation portions 41, 51, 61 provided in the first rotation operation member 40, the second rotation operation member 50, and the handle 60 are the through holes 41a, 51a, 61a in the above-described embodiment, Part.

  Moreover, in the said embodiment, although the grip part 53 was provided as the operation member 50 for 2nd rotation, the operation member 50 for 2nd rotations is good also as an annular member, and the operation member 40 for 1st rotation is also used. The grip portion 53 may be used.

  In the above embodiment, the first rotation operation member 40 and the second rotation operation member 50 are provided so as to protrude in opposite directions, but may be protruded in opposite directions at an angle. Furthermore, the rotation operation members 40 and 50 are not limited to two, and may include three or more.

  Moreover, in the said embodiment, although the blade part 30 was fixed to the receiving part 12, the blade part 30 may be fixed to the movable clamping part 20. FIG.

  In the above embodiment, the rod 80 is bridged between the movable clamping unit 20 and the main body 12b so that the movable clamping unit 20 does not rotate together. However, the movable clamping unit 20 extends from the main body 12b toward the movable clamping unit 20. By providing the guide member, the movable clamping unit 20 may not rotate together.

  Moreover, in the said embodiment, although the electric wire 100 was positioned because the fixed clamping part 10 and the movable clamping part 20 were provided with the groove part, it may replace with a groove part and may position the electric wire 100 by a protrusion and several protrusion. Moreover, in the said embodiment, although the fixed clamping part 10 was what integrated the fixing | fixed part 11 and the receiving part 12 so that isolation | separation was possible, it is good also as an integral thing which cannot isolate | separate the fixing | fixed part 11 and receiving part 12. .

10 ......... Fixed clamping portion 11 ......... Fixed portion 12 ......... receiving portion 12c ... groove 20 ......... movable clamping portion 20c ... groove 30 ......... blade 31 ......... blade tip 40 ......... first Operation member 41 for one rotation ......... Operation part 41a ... Through hole 42 ... ... Connection part 50 ... ... Second rotation operation member 51 ... ... Operation part 52 ... ... Connection part 53 ... ... Grip part 60 ......... Handle 61 ......... Operating section 70 ......... Shaft 100 ... Wire 101 ... Conductor 102 ... Insulation coating c ......... Virtual circle g ......... Pinch position

Claims (6)

  A fixed holding portion that extends along the electric wire whose conductor is covered with an insulating covering, a movable holding portion that contacts and separates from the fixed holding portion, a movable holding portion that holds the electric wire together with the fixed holding portion, and the fixed holding portion and the movable holding portion. A blade portion that bites into the insulation covering of the electric wire sandwiched between the two portions and at least two or more rotating operation members that protrude in different directions from the fixed sandwiching portion, with an operation tool for indirect hot-line work A rotating operation member having an operation portion to be stopped, and a handle that protrudes from the movable holding portion in a direction opposite to the fixed holding portion and advances and retracts the movable holding portion with respect to the fixed holding portion. A handle on which an operation tool for work is hooked, and the operation portion and the handle of each rotation operation member are provided so as to pass on a virtual circle centering on the clamping position of the electric wire. For electric wire Edge covering member stripping unit.   The insulation coating stripper for an electric wire according to claim 1, wherein the operation portion and the handle of the rotation operation member include a through hole.   The insulation covering for electric wires according to claim 1 or 2, wherein at least one of the rotating operation members includes a cylindrical or columnar grip portion to be clamped by a clamping tool. Stripper.   A shaft that is screwed into the fixed clamping portion and advances and retracts in the axial direction by rotation in the circumferential direction, the shaft having the handle attached to one end protruding outward from the movable clamping portion, and the movable clamping portion 4. The electric wire insulation according to claim 1, wherein the electric wire is attached at a fixed position of the shaft so that the wire can move without rotating in conjunction with the advance and retreat of the shaft. 5. Cover stripper.   The said fixed clamping part is provided with the groove part which engages an electric wire, The blade edge | tip of the said blade part protrudes in this groove | channel, The insulation for electric wires as described in any one of Claim 1 thru | or 4 characterized by the above-mentioned. Cover stripper.   The fixed clamping portion has a fixing portion for fixing the rotating operation member, and a groove portion for engaging the electric wire, and the receiving portion that fixes the blade portion so that the blade edge of the blade portion protrudes into the groove portion. The insulating covering stripper for an electric wire according to any one of claims 1 to 5, wherein the fixing portion and the receiving portion are integrated so as to be separable.

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