Cable stripper and electric power tool

Abstract

To provide a cable stripper and an electric power tool capable of enhancing the efficiency of an operation for stripping coatings from a plurality of types of cables having different outer diameters.SOLUTION: In a cable stripper 1, a change instruction part 14 changes the position of a cable contact part of a cable holding part 10 and the position of a blade tip 921 of a blade part 9 as viewed from an insertion direction of a cable 201. The cable holding part 10 can change the position of the cable contact part so as to match the outer diameter of the cable 201 in accordance with an instruction from the change instruction part 14. The blade part 9 can change the position of the blade tip 921 so as to be linked to the change in the position of the cable contact part of the cable holding part 10.SELECTED DRAWING: Figure 12

Description

[Technical field]

[0001] The present disclosure relates to a cable stripper and a power tool for stripping a cable. [Background technology]

[0002] Patent Document 1 discloses a cable stripper for removing the covering of a cable. The cable stripper described in Patent Document 1 has a plurality of cable holding blocks. The plurality of cable holding blocks move in the radial direction to hold the cables. With the above structure, the cable stripper can hold a plurality of cables with different outer diameters. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] US Patent Application Publication No. 2017 / 0040783 Summary of the Invention [Problem to be solved by the invention]

[0004] In the cable stripper described in Patent Document 1, in order to accommodate cables with different outer diameters, it is necessary to adjust the position of the blade in addition to adjusting the positions of the multiple holding blocks, which reduces the efficiency of the work of stripping the cable coating.

[0005] An object of the present disclosure is to provide a cable stripper and a power tool that can increase the efficiency of the work of stripping the covering of multiple types of cables with different outer diameters. [Means for solving the problem]

[0006] A cable stripper according to an aspect of the present disclosure includes a cable insertion section, a cable holding section, a blade section, a rotating section, and a change instruction section. A cable is inserted into the cable insertion section. The cable holding section holds the cable inserted into the cable insertion section. The blade section has a blade tip that strips at least a portion of the coating of the cable held by the cable holding section. The rotating section rotates the blade section relative to the cable. The change instruction section changes a position of a cable contact section of the cable holding section and a position of the blade tip of the blade section when viewed from the insertion direction of the cable. The cable holding section is capable of changing the position of the cable contact section in accordance with an instruction from the change instruction section. The blade section is capable of changing the position of the blade tip in conjunction with a change in the position of the cable contact section of the cable holding section. The rotating section strips the coating by rotating the blade section relative to the cable held by the cable holding section.

[0007] An electric power tool according to one aspect of the present disclosure includes the cable stripper and a rotation drive mechanism that drives the rotating portion. Effect of the Invention

[0008] The cable stripper and power tool according to the present disclosure can improve the efficiency of the task of stripping the coverings of multiple types of cables with different outer diameters. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a perspective view of a cable stripper according to a first embodiment. [Diagram 2] FIG. 2 is a perspective view of the cable stripper. [Diagram 3] FIG. 3 is a perspective view of the cable stripper shown in FIG. 2 with the handle removed. [Figure 4] FIG. 4 is a perspective view of the cable stripper shown in FIG. 3 with a cam member removed. [Diagram 5]FIG. 5 is a perspective view of the cable stripper shown in FIG. 4 with a bushing case removed. [Figure 6] FIG. 6 is a perspective view of the cable stripper shown in FIG. 5 with the third holding member and the fourth holding member removed. [Figure 7] FIG. 7 is a perspective view of the cable stripper shown in FIG. 6 with the first holding member and the second holding member removed. [Figure 8] FIG. 8 is a perspective view of a blade portion of the cable stripper. [Figure 9] FIG. 9 is a front view of the blade portion of the same. [Figure 10] FIG. 10 is a perspective view of the cable stripper. [Figure 11] FIG. 11 is a perspective view of the pattern determination mechanism. [Figure 12] FIG. 12 is a front view of the cable stripper. [Figure 13] FIG. 13 is a front view of the cable stripper in a state where the handle is removed from the state shown in FIG. 12, showing a first operating state. [Figure 14] FIG. 14 is a front view of the cable stripper in a state where the cam member in FIG. 13 is removed, showing a first operating state. [Figure 15] FIG. 15 is a front view of the cable stripper in a state where the bushing case is removed from the state shown in FIG. 14, showing a first operating state. [Figure 16] FIG. 16 is a front view of the cable stripper in a state where the third holding member and the fourth holding member are removed from FIG. 15, showing a first operating state. [Figure 17] FIG. 17 is a front view of the cable stripper in a state where the first holding member is removed from the state shown in FIG. 16, showing a first operating state. [Figure 18]FIG. 18 is a front view of the cable stripper with the handle removed, showing a second operating state. [Figure 19] FIG. 19 is a front view of the cable stripper in a state where the cam member in FIG. 18 is removed, showing a second operating state. [Figure 20] FIG. 20 is a front view of the cable stripper in a state where the bushing case is removed from the state shown in FIG. 19, showing a second operating state. [Figure 21] FIG. 21 is a front view of the cable stripper shown in FIG. 20 with the third holding member and the fourth holding member removed, showing the second operating state. [Figure 22] FIG. 22 is a front view of the cable stripper shown in FIG. 21 with the first holding member removed, showing the second operating state. [Figure 23] FIG. 23 is a perspective view showing the relationship between a cable holding portion and a blade portion in a cable stripper according to the second embodiment. [Figure 24] FIG. 24 is a front view of the cable stripper with a bushing case removed, showing the first operating state. [Diagram 25] FIG. 25 is a front view of the cable stripper with the bushing case removed, showing a second operating state. [Figure 26] FIG. 26 is a side view of the cable stripper according to the third embodiment. [Figure 27] FIG. 27 is a cross-sectional view of the depth adjustment mechanism of the cable stripper. [Figure 28] FIG. 28 is a side view of the cable stripper according to the fourth embodiment. [Figure 29] FIG. 29 is a side view of the cable stripper according to the fifth embodiment. [Diagram 30] FIG. 30 is a cross-sectional view of a tool coupling mechanism of the cable stripper. [Diagram 31]FIG. 31 is a side view of the power tool according to the sixth embodiment. [Diagram 32] FIG. 32 is a side view of the cable stripper of the electric power tool. [Diagram 33] FIG. 33 is a cross-sectional view of a torque limiter, a reducer, and a tool coupling mechanism of the cable stripper. [Diagram 34] FIG. 34 is a side view of the cable stripper according to the seventh embodiment. [Diagram 35] FIG. 35 is a side view of the cable stripper according to the eighth embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] (First embodiment) A cable stripper 1 according to a first embodiment will be described with reference to Figures 1 to 22. The cable stripper 1 is a device that removes the covering from the end of a cable such as a power cable or an optical cable to expose a core material such as a conductor.

[0011] (1) Basic structure of a cable stripper The cable stripper 1 rotates relative to a cable 201 inserted inside, thereby removing a coating 202 (FIG. 12) from the cable 201 to expose a core material 203 (FIG. 12).

[0012] The cable stripper 1 has a center axis X1 (FIG. 12) that is the center of rotation. The direction in which the center axis X1 extends is defined as an axial direction D1. The direction in which the cable stripper 1 rotates around the center axis X1 is defined as a rotation direction E1.

[0013] The cable stripper 1 mainly includes a rotating part 2, a handle 3, and a cam member 4.

[0014] (2) Handle and cam parts (change instruction part) The handle 3 and the cam member 4 function as a change instruction unit 14 (described later) that instructs the cable holding unit 10 and the blade unit 9 to change the position of the cable contact portion (described later) of the cable holding unit 10 (described later) and the position of the cutting edge 921 (described later) of the blade unit 9 (described later).

[0015] The handle 3 and the cam member 4 are attached to the rotating part 2 so as to be rotatable relative to each other.

[0016] 2, the handle 3 has a disk portion 31 and an outer peripheral wall portion 32. A circular center hole 33 is formed in the disk portion 31. The outer peripheral surface of the outer peripheral wall portion 32 has a wavy shape so that it can be easily gripped and rotated by a human hand.

[0017] As shown in FIG. 3, the cam member 4 is disposed on the surface of the disk portion 31 of the handle 3 opposite to the outer peripheral wall portion 32 side. The cam member 4 is fixed to the handle 3 by a plurality of bolts 17. The cam member 4 is a disk-shaped member and has one slit 41 formed therein. The slit 41 extends approximately 360 degrees or more along the rotation direction E1, and extends along the rotation direction E1 such that the distance to the axis X1 gradually changes from the first end 411 toward the second end 412. The second end 412 is located radially inward of the first end 411. The cam member 4 has a circular center hole 42. The center hole 42 corresponds to and communicates with the center hole 33.

[0018] (3) Rotating section The rotating unit 2 is a mechanism that rotates the blade unit 9 relative to the cable 201 held by the cable holding unit 10 (described later). The rotating unit 2 incorporates various members and mechanisms (described later) of the cable stripper 1.

[0019] (3-1) Bushing case and bushing cap As shown in Figs. 3 to 7, the rotating part 2 has a bushing case 11 and a bushing cap 13. The bushing case 11 has a disk part 111, an outer peripheral side cylindrical part 112, and an inner peripheral side cylindrical part 113. The above-mentioned cam member 4 is rotatably arranged on the disk part 111. Specifically, the outer peripheral edge of the cam member 4 is rotatably supported by the inner peripheral surface of the outer peripheral side cylindrical part 112, and the inner peripheral edge (center hole 42) of the cam member 4 is rotatably supported by the outer peripheral surface of the inner peripheral side cylindrical part 113.

[0020] The inner cylindrical portion 113 is rotatably fitted in the central hole 33 of the handle 3. The bushing case 11 has a circular central hole 114 inside the inner cylindrical portion 113. The central hole 114 corresponds to and communicates with the central holes 33 and 42. The inner cylindrical portion 113 and the central hole 33 are cable insertion portions and have a guide portion 116 that guides the action of inserting the cable 201. Specifically, the guide portion 116 is a chamfered axial tip surface of the inner cylindrical portion 113. The axial tip surface that is the guide portion 116 becomes lower as it approaches the axis X1. The guide portion 116 allows the cable 201 to be smoothly inserted into the inner cylindrical portion 113.

[0021] The bushing case 11 has a ring member 12. The ring member 12 is a narrow annular member, and is fixed to the axial end face of the outer circumferential cylindrical portion 112 of the bushing case 11 by a plurality of bolts 15. The ring member 12 prevents the handle 3 and the cam member 4 from falling off the rotating part 2.

[0022] The bushing case 11 has a cylindrical portion 115. The cylindrical portion 115 extends from the disk portion 111 to the opposite side to the outer circumferential cylindrical portion 112 and the inner circumferential cylindrical portion 113 in the axial direction D1.

[0023] The bushing cap 13 has a disk portion 131 and a cylindrical portion 132. The disk portion 131 is disposed by being fitted into the outer peripheral cylindrical portion 112 at a distance from the disk portion 111 in the axial direction D1, and is fixed to the disk portion 111 by a plurality of bolts and nuts 16. A cable insertion space into which a tip of a cable 201 is inserted is formed radially inside the cylindrical portion 115 and between the disk portion 111 and the disk portion 131. The cable 201 is inserted into the cable insertion space through the central hole 33 and the central hole 114. The bushing cap 13 has a circular central hole 133.

[0024] (3-2) Outline of cable holding section The rotating unit 2 has a cable holding unit 10 (FIG. 5). The cable holding unit 10 holds the tip of the cable 201 inserted into the cable insertion space. The cable holding unit 10 can change the position of the cable contact part in accordance with the outer diameter of the cable 201 according to an instruction from a change instruction unit 14. Details will be described later.

[0025] (3-3) Outline of the blade The rotating unit 2 has a blade unit 9. The blade unit 9 has a cutting edge 921 that peels off at least a part of the coating 202 of the cable 201 held by the cable holding unit 10. The position of the cutting edge 921 of the blade unit 9 can be changed in conjunction with a change in the position of the contact portion of the cable holding unit 10. Details will be described later.

[0026] (4) Details of cable holder As shown in FIG. 5, the cable holding portion 10 has a first holding member 5, a second holding member 6, a third holding member 7, and a fourth holding member 8.

[0027] (4-1) First holding member and second holding member The first holding member 5 and the second holding member 6 are members for sandwiching the cable 201 therebetween, and move toward or away from each other in the first moving direction A1. The first holding member 5 and the second holding member 6 are disposed in the cable insertion space between the disc portion 111 and the disc portion 131.

[0028] As shown in Figs. 5 and 6, the first holding member 5 has a main body 51. The main body 51 is a block-shaped member having a predetermined thickness in the axial direction D1. The main body 51 has a contact recess 52 (one example of a cable contact portion, see Fig. 12) curved in a semicircular shape in a plan view on the axis center X1 side in the first moving direction A1. The contact recess 52 has a shape that can contact the entire or part of the outer circumferential surface of the cable 201. The main body 51 has a first portion 53 on a side away from the contact recess 52 in the first moving direction A1. The first portion 53 is provided with a pin 151 extending on both sides in the axial direction D1. The main body 51 further has a pair of second portions 54, 55 away from the contact recess 52 in a second moving direction B1 perpendicular to the first moving direction A1. The second portions 54, 55 are provided with a pair of pins 155, 156 extending on both sides in the axial direction D1.

[0029] As shown in Figs. 5 and 6, the second holding member 6 has a main body 61. The main body 61 is a block-shaped member having a predetermined thickness in the axial direction D1. The main body 61 has a contact recess 62 (an example of a cable contact portion) curved in a semicircular shape in a plan view on the axis center X1 side in the first moving direction A1. The contact recess 62 has a shape that can contact the entire or part of the outer circumferential surface of the cable 201. The main body 61 has a first portion 63 on a side away from the contact recess 62 in the first moving direction A1. The first portion 63 is provided with a pin 152 extending on both sides in the axial direction D1. The main body 61 further has a pair of second portions 64, 65 away from the contact recess 62 in the second moving direction B1. The second portions 64, 65 are provided with a pair of pins 153, 154 extending on both sides in the axial direction D1.

[0030] 12, the first holding member 5 and the second holding member 6 have guide portions 59, 69 that guide the action of inserting the cable 201. Specifically, the guide portions 59, 69 are chamfered cable insertion sides of the contact recesses 52 and 62. The surfaces that are the guide portions 59, 69 become lower as they approach the axis X1. The guide portions 59, 69 allow the cable 201 to be smoothly inserted into the cable holding part 10.

[0031] (4-2) First movement mechanism The first moving mechanism 301 (FIG. 3) that moves the first holding member 5 and the second holding member 6 will be described. The first moving mechanism 301 is a mechanism that moves the first holding member 5 and the second holding member 6 in a first moving direction A1 by rotation of the handle 3. The first moving mechanism 301 is composed of pins 151, 152, 153, 154, 155, 156 and a cam member 4.

[0032] One ends of the pins 151, 152, 153, 154, 155, 156 are inserted into slits 121, 122, 123, 124, 125, 126 (FIG. 14) provided in the disk portion 111 of the bushing case 11, and the other ends are inserted into a plurality of slits 161, 162, 163, 164, 165, 166 (FIG. 15) provided in the disk portion 131 of the bushing cap 13. These slits extend in the first movement direction A1 except for slit 161, and therefore the pins 151 to 156 are movable only in the first movement direction A1.

[0033] 3, the pins 151 and 152 are inserted into the slit 41 of the cam member 4. Specifically, the pins 151 and 152 are disposed in the slit 41 at positions spaced apart from each other by approximately 180 degrees.

[0034] With the above structure, when the handle 3 and the cam member 4 rotate, a force in the first movement direction A1 acts on the pins 151 and 152 from the slits 41, and as a result, the pins 151 and 152 move toward or away from each other along the first movement direction A1. In other words, the first holding member 5 and the second holding member 6 move toward or away from each other along the first movement direction A1.

[0035] (4-3) Third holding member and fourth holding member The third holding member 7 and the fourth holding member 8 are members for sandwiching the cable 201 therebetween, and move toward or away from each other along a second movement direction B1. The second movement direction B1 is a direction perpendicular to the first movement direction A1.

[0036] The third holding member 7 and the fourth holding member 8 are disposed in the cable insertion space between the disk portion 111 and the disk portion 131. Specifically, the third holding member 7 and the fourth holding member 8 are disposed on the disk portion 111 side of the first holding member 5 and the second holding member 6.

[0037] As shown in Figs. 5 and 6, the third holding member 7 has a main body 71. The main body 71 is a block-shaped member having a predetermined thickness along the axial direction D1. The main body 71 extends in the second moving direction B1, with one end engaging with the first holding member 5 and the other end engaging with the second holding member 6 (described later). The main body 71 has a straight contact portion 72 (an example of a cable contact portion) extending along the first moving direction A1 in a plan view on the axis X1 side in the second moving direction B1. A pair of pins 73, 74 extending on both sides in the axial direction D1 are provided at both ends of the main body 71 in the first moving direction A1.

[0038] The fourth holding member 8 has a main body 81, as shown in Figs. 5 and 6. The main body 81 is a block-shaped member having a predetermined thickness along the axial direction D1. The main body 71 extends in the second moving direction B1, with one end engaging with the first holding member 5 and the other end engaging with the second holding member 6 (described later). The main body 81 has a straight contact portion 82 (an example of a cable contact portion) extending along the first moving direction A1 in a plan view on the axis X1 side in the second moving direction B1. A pair of pins 83, 84 extending on both sides in the axial direction D1 are provided at both ends of the main body 81 in the first moving direction A1.

[0039] The third holding member 7 and the fourth holding member 8 have guide portions 79, 89 that guide the action of inserting the cable 201. Specifically, the guide portions 79, 89 are chamfered cable insertion sides of the straight contact portion 72 and the straight contact portion 82. The surfaces that are the guide portions 79, 89 become lower as they approach the axis X1. The guide portions 79, 89 allow the cable 201 to be inserted smoothly into the cable holding portion 10.

[0040] In the above configuration, at least one point each of the first holding member 5, the second holding member 6, the third holding member 7, and the fourth holding member 8 (four points in total) serves as a cable contact portion that comes into contact with the cable 201. In this way, the cable holding unit 10 can stably hold the cables 201, 204. Note that the number of cable contact portions is preferably at least four, but may be more.

[0041] (4-4)Second movement mechanism The second moving mechanism 302 (FIG. 5) that moves the third holding member 7 and the fourth holding member 8 will be described. The second moving mechanism 302 is a mechanism that moves the third holding member 7 and the fourth holding member 8 in a second moving direction B1 by moving the first holding member 5 and the second holding member 6 in the first moving direction A1. The second moving mechanism 302 is composed of pins 73, 74, 83, 84, the first holding member 5 and the second holding member 6.

[0042] 4 to 6, one end of each of the pins 73, 74, 83, and 84 is inserted into a plurality of slits provided in the disk portion 111 of the bushing case 11. These slits extend in the second movement direction B1, and therefore the pins 73, 74, 83, and 84 are movable only in the second movement direction B1.

[0043] 6, the other end of the pin 73 is inserted into a groove 67 provided in the second holding member 6, and the other end of the pin 74 is inserted into a groove 57 provided in the first holding member 5. The grooves 67, 57 are linear in shape extending in such a way that they move away from the axis X1 as they approach each other in the first movement direction A1 in a plan view seen from the axial direction D1.

[0044] 6, the other end of the pin 83 is inserted into a groove 68 provided in the second holding member 6, and the other end of the pin 84 is inserted into a groove 58 provided in the first holding member 5. The grooves 68, 58 are linear in shape extending in such a way that they move away from the axis X1 as they approach each other in the first movement direction A1 in a plan view seen from the axial direction D1.

[0045] With the above structure, when the first holding member 5 and the second holding member 6 move in the first moving direction A1, a force in the second moving direction B1 acts on the pins 73, 74, 83, 84 from the grooves 67, 57, 68, 58, respectively. As a result, when the first holding member 5 and the second holding member 6 move toward each other along the first moving direction A1, the third holding member 7 and the fourth holding member 8 move toward each other along the second moving direction B1. Also, when the first holding member 5 and the second holding member 6 move away from each other along the first moving direction A1, the third holding member 7 and the fourth holding member 8 move away from each other along the second moving direction B1.

[0046] (5)Blade part (5-1) Basic structure of the blade The blade portion 9 will be further described with reference to Figures 7 to 9. In the first embodiment, the blade portion 9 is a separate body that is movable relative to the cable holding portion 10.

[0047] As shown in FIG. 7, the blade portion 9 is disposed on the disk portion 131 side of the first holding member 5.

[0048] The blade portion 9 has a base 91 and a cutter member 92. The base 91 is a block-shaped member. The cutter member 92 has a cutting edge 921 at its tip. The cutting edge 921 is located at the center hole 133 of the bushing cap 13 in a plan view seen from the axial direction D1.

[0049] (5-2) Third moving mechanism (moving mechanism) The third movement mechanism 303 (FIG. 7) that moves the blade portion 9 will be described. The third movement mechanism 303 is a mechanism that moves the blade portion 9 in accordance with the movement of the cable holding portion 10. The third movement mechanism 303 is composed of a base 91 and a first holding member 5.

[0050] A groove 134 extending in the third movement direction C1 is formed in the disk portion 131. The base 91 of the blade portion 9 fits into the groove 134 and is movable only in the third movement direction C1. The third movement direction C1 is a direction in which the distance of the blade tip 921 from the axis X1 changes when the cutter member 92 moves.

[0051] As shown in Fig. 6, one end of a pin 93 is fixed to the first holding member 5. The pin 93 extends toward the cutter member 92, and the other end is inserted into a groove 95 provided in the base 91. The groove 95 extends in a direction generally perpendicular to the third movement direction. As shown in Fig. 17, the groove 95 has a curved portion in a plan view.

[0052] With the above structure, when the first holding member 5 moves in the first movement direction A1, a force acts on the base 91 from the pin 93 in the third movement direction C1. As a result, when the first holding member 5 and the second holding member 6 move toward each other along the first movement direction A1, the cutting edge 921 of the cutter member 92 moves toward the axis X1 along the third movement direction C1. Also, when the first holding member 5 and the second holding member 6 move away from each other along the first movement direction A1, the cutting edge 921 of the cutter member 92 moves away from the axis X1 along the third movement direction C1.

[0053] As described above, when the first holding member 5 moves along the first moving direction A1, the cutter member 92 moves in the third moving direction C1 in conjunction with the first holding member 5. For example, when a small-diameter cable is used after a large-diameter cable, the first holding member 5 and the second holding member move toward each other along the first moving direction A1, and the cutter member 92 moves to the side where the blade tip 921 approaches the axis X1. For example, when a large-diameter cable is used after a small-diameter cable, the first holding member 5 and the second holding member move away from each other along the first moving direction A1, and the blade portion 9 moves to the side where the blade tip 921 moves away from the axis X1. In this way, the positions of the cable contact portions of the first holding member 5 and the second holding member 6 and the position of the blade tip 921 of the blade portion 9 can be set by a single operation.

[0054] (6) Change Instructions In the above-mentioned structure, the handle 3 and the cam member 4 function as a change instruction unit 14 that instructs the cable holding unit 10 and the blade unit 9 to change the position of the cable contact portion of the cable holding unit 10 and the position of the blade tip 921 of the blade unit 9 when viewed from the insertion direction of the cable 201 (one side of the axial direction D1). Specifically, when the change instruction unit 14 rotates relative to the rotating unit 2, the first moving mechanism 301 moves the first holding member 5 and the second holding member 6 along the first moving direction A1. As a result, the second moving mechanism 302 moves the third holding member 7 and the fourth holding member 8 along the second moving direction, and the third moving mechanism 303 moves the blade unit 9 along the third moving direction C1.

[0055] The positions of the first holding member 5, the second holding member 6, the third holding member 7, the fourth holding member 8, and the blade portion 9 are determined for each rotational position of the change instruction unit 14. In other words, there are a plurality of arrangement relationships between the position of the contact portion of the cable holding unit 10 and the position of the cutting edge 921 of the blade portion 9. For example, in a first arrangement relationship, each member is arranged at a first position close to the axis X1 with respect to a small diameter cable, and in a second arrangement relationship, each member is arranged at a second position far from the axis X1 with respect to a large diameter cable.

[0056] (7) Pattern determination mechanism 11, the cable stripper 1 further includes a pattern determination mechanism 214. The pattern determination mechanism 214 selects and determines a plurality of predetermined coating stripping patterns based on a plurality of positional relationships between the position of the cable contact portion of the cable holding unit 10 and the position of the blade tip 921 of the blade unit 9. The pattern determination mechanism 214 selects one of the plurality of coating stripping patterns according to an instruction from the change instruction unit 14.

[0057] The pattern determination mechanism 214 is composed of the handle 3 and a pin 152. Specifically, as shown in Fig. 11, a plurality of holes 34 are formed in the surface of the handle 3 opposite to the outer circumferential wall portion 32 side, aligned in the rotation direction E1. The pin 152 has a click mechanism consisting of a ball and a spring at its tip. When the hole 34 of the handle 3 comes to the position of the pin 152, the pin 152 enters the position of the hole 34, and the handle 3 is positioned (temporarily held). In this embodiment, since there are four holes 34, the number of the above-mentioned plurality of coating stripping patterns is set to four.

[0058] (8) Stripping Operation First, a pattern selection operation is performed. Specifically, the handle 3 is rotated to select a pattern that matches the type of the corresponding cable 201 by the pattern determination mechanism 214. As a result, the cable holding unit 10 moves to a position where it holds the cable 201, and the blade unit 9 moves to a position where it strips the coating 202 of the cable 201.

[0059] Next, the cable 201 is inserted into the cable stripper 1. Specifically, the tip of the cable 201 is inserted into the central hole 114 of the inner peripheral cylindrical portion 113 of the bushing case 11, and the tip is moved to the position of the cable holding portion 10 and the blade portion 9.

[0060] Next, the rotating unit 2 is rotated relative to the cable 201, whereby the sheath 202 is stripped off by the blade unit 9. In this state, the cable 201 is moved into the cable stripper 1, whereby the sheath 202 is gradually stripped off and the core material 203 is exposed.

[0061] (9) Comparison of operating conditions for small diameter cable and large diameter cable A first operational state, which is an operational state for holding a small diameter cable 201 and stripping the covering, and a second operational state, which is an operational state for holding a large diameter cable 204 and stripping the covering, will be described.

[0062] 13 to 17 show the positional relationship of each mechanism of the cable stripper 1 when a small diameter cable 201 is used as the first operating state. In the first operating state, the cable contact portion of the cable holding portion 10 is in a position to hold the small diameter cable 201, and the blade tip 921 of the cutter member 92 of the blade portion 9 is in a position to strip the coating 202 of the small diameter cable 201 to expose the core material 203.

[0063] 18 to 22 show, in a second operating state, the positional relationship of each mechanism of the cable stripper 1 for a large diameter cable 204. In the second operating state, the cable contact portion of the cable holding portion 10 is in a position to hold the large diameter cable 204, and the blade tip 921 of the cutter member 92 of the blade portion 9 is in a position to strip the coating 205 of the large diameter cable 204 to expose the core material 206.

[0064] The above-mentioned first operating state and second operating state can be switched by rotating the handle 3 relative to the rotating part 2. Hereinafter, the changes in the positions of the mechanisms and parts in the first operating state and the second operating state will be described.

[0065] The first operating state is switched to the second operating state by rotating the change instruction unit 14 counterclockwise in the rotation direction E1. The twentieth operating state is switched to the first operating state by rotating the change instruction unit 14 clockwise in the rotation direction E1.

[0066] As a specific example, a switching operation from a first operating state to a second operating state will be described below.

[0067] First, the handle 3 is rotated counterclockwise in the rotation direction E1. This causes the cam member 4 to rotate clockwise in the rotation direction E1. As a result, in the second operating state (FIG. 18), the cam member 4 moves counterclockwise in the rotation direction E1 compared to the first operating state (FIG. 13). As the cam member 4 moves, the pins 151, 152 (i.e., the first holding member 5 and the second holding member 6) move away from the axis X1 in the first moving direction A1.

[0068] The pins 153, 154, 155 also move away from the axis X1 in the first movement direction A1 in accordance with the movement of the first holding member 5 and the second holding member 6. In the second operating state (FIG. 19), the pins 153, 154, 155, 156 have moved away from the axis X1 in the first movement direction A1 compared to the first operating state (FIG. 14).

[0069] Furthermore, with the movement of the first holding member 5 and the second holding member 6, the set of pins 73, 74 and the set of pins 83, 84 (i.e., the third holding member 7 and the fourth holding member 8) are pushed by the grooves 67, 57, 68, 58, respectively, and move away from the axis X1 in the second movement direction B1. As a result, in the second operating state (FIGS. 20 and 21), the third holding member 7 and the fourth holding member 8 are positioned away from the axis X1 in the second movement direction B1, compared to the first operating state (FIGS. 15 and 16).

[0070] Furthermore, in accordance with the movement of the first holding member 5 in the first movement direction A1, the pin 93 moves in the groove 95, whereby the blade portion 9 moves in the third movement direction C1 away from the axis X1. As a result, in the second operating state (FIG. 22), the cutting edge 921 of the cutter member 92 is located away from the axis X1 compared to the first operating state (FIG. 17).

[0071] (10) Effects In this embodiment, the cable stripper 1 includes an inner circumference side cylindrical portion 113 (cable insertion portion), a cable holding portion 10, a blade portion 9, a rotating portion 2, and a change instruction portion 14. A cable 201 is inserted into the inner circumference side cylindrical portion 113. The cable holding portion 10 holds the cable 201 inserted into the inner circumference side cylindrical portion 113. The blade portion 9 has a blade tip 921 that strips off at least a part of the coating 202 of the cable 201 held by the cable holding portion 10. The rotating portion 2 rotates the blade portion 9 with respect to the cable 201. The change instruction portion 14 changes the position of the cable contact portion of the cable holding portion 10 and the position of the blade tip 921 of the blade portion 9, as viewed from the insertion direction of the cable 201. The cable holding portion 10 can change the position of the cable contact portion to match the outer diameter of the cable 201 according to an instruction from the change instruction portion 14. The blade portion 9 can change the position of the blade tip 921 in response to a change in the position of the cable contact portion of the cable holder 10. The rotating unit 2 rotates the blade portion 9 relative to the cable 201 held by the cable holder 10 to peel off the coating 202.

[0072] In this embodiment, the position of the cable contact portion of the cable holding portion 10 and the position of the cutting edge 921 of the cutting portion 9 can be changed simultaneously in response to an instruction from the change instruction unit 14. This improves work efficiency when handling a plurality of types of cables with different outer diameters.

[0073] The blade portion 9 may move in conjunction with the movement of the second holding member 6.

[0074] Second embodiment The second embodiment will be described with reference to FIGS.

[0075] The cable stripper of the second embodiment has the same basic structure and basic operation as the cable stripper 1 of the first embodiment. Therefore, the second embodiment will mainly describe the differences. In the first embodiment, the cutter member is a separate body that is movable relatively to the first holding member and is driven by the first holding member, but in the second embodiment, the cutter member is fixed to the fourth holding member and is driven by the fourth holding member.

[0076] (1) Cable holder The cable holding portion 10A has a first holding member 5A, a second holding member 6A, a third holding member 7A, and a fourth holding member 8A. The basic structures and basic operations of these members are the same as those in the first embodiment.

[0077] The blade portion 9A has a cutter member 92A. The cutter member 92A is fixed to the fourth holding member 8A. The cutter member 92A is disposed at a position where it can move below the second holding member 6A in the axial direction D1. The cutting edge 921A of the cutter member 92A is at a position where it strips the cable sheath. The cutter member 92A moves integrally with the fourth holding member 8A as it moves in the second moving direction B1. That is, when the third holding member 7A and the fourth holding member 8A move toward each other in the second moving direction B1, the cutting edge 921A of the blade portion 9A moves toward the axis X1, and when the third holding member 7A and the fourth holding member 8A move away from each other in the second moving direction B1, the cutting edge 921A of the blade portion 9A moves away from the axis X1.

[0078] (2) Comparison of operating conditions when a small diameter cable is used and when a large diameter cable is used A first operational state, which is an operational state for holding the small diameter cable 201A and stripping the covering, and a second operational state, which is an operational state for holding the large diameter cable 204A and stripping the covering, will be described.

[0079] 24 shows the positional relationship of each mechanism of the cable stripper when a small diameter cable 201A is used as the first operating state. In the first operating state, the cable contact portion of the cable holding portion 10A is in a position to hold the small diameter cable 201A, and the blade tip 921A of the cutter member 92A of the blade portion 9A is in a position to strip the coating 202A of the small diameter cable 201A to expose the core material 203A.

[0080] 25 shows the positional relationship of each mechanism of the cable stripper for the large diameter cable 204A in the second operating state. In the second operating state, the cable contact portion of the cable holding unit 10A is in a position to hold the large diameter cable 204A, and the blade tip 921A of the cutter member 92A of the blade unit 9A is in a position to strip the coating 205A of the large diameter cable 204A to expose the core material 206A.

[0081] In the operation of transitioning from the first operating state to the second operating state, as the first holding member 5A and the second holding member 6A move, the set of pins 73A, 74A and the set of pins 83A, 84A (i.e., the third holding member 7A and the fourth holding member 8A) are pushed by the grooves 67A, 57A, 68A, 58A, respectively, and move away from the axis X1 in the second movement direction B1. As a result, in the second operating state, the third holding member 7A and the fourth holding member 8A are positioned away from the axis X1 in the second movement direction B1, compared to the first operating state.

[0082] Furthermore, in accordance with the movement of the fourth holding member 8A in the second movement direction B1, the blade portion 9 moves in the second movement direction B1 away from the axis X1. As a result, in the second operating state, the blade tip 921A of the cutter member 92A is located away from the axis X1 compared to the first operating state.

[0083] (3) Effects In this embodiment, the position of the cable contact portion of the cable holding portion 10A and the position of the cutting edge 921A of the cutting portion 9A can be changed simultaneously by instructions from the change instruction unit. This improves work efficiency when handling multiple types of cables that have different outer diameters but a substantially constant thickness of coating.

[0084] Furthermore, since the number of moving parts is reduced compared to the first embodiment, durability of the parts is improved.

[0085] The blade portion 9 may be fixed to the third holding member 7A.

[0086] Third embodiment The third embodiment will be described with reference to FIGS.

[0087] The cable stripper of the third embodiment has the same basic structure and basic operation as the cable stripper 1 of the first embodiment. Therefore, the third embodiment will mainly describe the differences. In the first embodiment, the cable stripper mainly has a handle, a bushing case, and a bushing cap, but the cable stripper of the third embodiment further has a depth adjustment mechanism.

[0088] The cable stripper 501 according to the third embodiment includes the cable stripper 1 according to the first embodiment and a depth adjustment mechanism 101.

[0089] Depth adjustment mechanism 101 is a mechanism for adjusting the length of the portion of the cable whose covering is to be stripped. Depth adjustment mechanism 101 mainly has a cylindrical portion 141 and a stopper 142 disposed inside cylindrical portion 141. Stopper 142 is positioned by bolt 143 which is screwed into stopper 142 from the outside through slit 145 formed in cylindrical portion 141. Stopper 142 can be appropriately positioned relative to cylindrical portion 141 in the direction in which slit 145 extends, so that the length of the portion of the cable whose covering is to be stripped can be appropriately set.

[0090] In the operation of stripping the cable coating, the rotating part of the cable stripper is rotated relative to the cable, and the cutting edge of the cutter member of the blade part strips the cable coating. At this time, the cable is pushed into the cable stripper 1, and the cable coating is stripped away, exposing the core material 203, which becomes longer. In this case, the exposed core material 203 moves from the cable stripper 1 toward the stopper 142, and finally comes into contact with the stopper 142, preventing further movement. As a result, the work of stripping the cable coating is completed. By providing the stopper 142 as described above, the worker can set the length of the cable coating to be stripped.

[0091] (Fourth embodiment) The fourth embodiment will be described with reference to FIG.

[0092] The cable stripper of the fourth embodiment has the same basic structure and basic operation as the cable stripper of the third embodiment. Therefore, the fourth embodiment will mainly describe the differences. In the third embodiment, the cable stripper is manually rotated by an operator to strip the insulation, but the cable stripper of the fourth embodiment has a bit, which allows the cable stripper to be rotated by a rotary drive mechanism.

[0093] A cable stripper 502 according to the fourth embodiment includes the cable stripper 1 according to the first embodiment and a depth adjustment mechanism 101. The depth adjustment mechanism 101 includes a bit 102 as a part of a rotating part. The bit 102 is fixed to a cylindrical part 141 of the depth adjustment mechanism 101, and can be connected to an external rotation drive mechanism (not shown). By using the bit 102, the cable stripper 502 can be attached to the rotation drive mechanism.

[0094] Fifth embodiment The fifth embodiment will be described with reference to FIGS.

[0095] The cable stripper of the fifth embodiment has the same basic structure and basic operation as the cable stripper of the fourth embodiment. Therefore, the fifth embodiment will mainly describe the differences. While the cable stripper of the fourth embodiment has a bit, the cable stripper of the fifth embodiment has a tool coupling mechanism as a detachable part and an electric tool.

[0096] The power tool 701 shown in FIG. 29 mainly includes a rotation drive mechanism 105 and a cable stripper 503.

[0097] The rotary drive mechanism 105 is a rechargeable drill driver or impact driver having an electric motor (not shown).

[0098] The cable stripper 503 includes the cable stripper 1 according to the first embodiment, a depth adjustment mechanism 101, and a tool coupling mechanism 103 as a detachable part.

[0099] The tool coupling mechanism 103 is coupled to the rotary drive mechanism 105. The hexagonal shaft 107 of the tool coupling mechanism 103 is fitted into the output shaft 601 of the rotary drive mechanism 105 to transmit rotation. Furthermore, the rotation stopper recess 108 of the tool coupling mechanism 103 and the rotation stopper protrusion 603 of the rotary drive mechanism 105 mesh with each other, and further the hook 602 of the tool coupling mechanism 103 is fitted into the hook groove 605 of the rotary drive mechanism 105, thereby coupling the two together. The hexagonal shaft 107 is centered by a bearing, so there is less wobbling compared to the fourth embodiment, in which the hexagonal shaft 107 is held by only a bit.

[0100] When the button 606 is pressed, the hook 602 is disengaged from the hook groove 605 , and the tool coupling mechanism 103 can be removed from the rotary drive mechanism 105 .

[0101] When the cable stripper 503 is used with the power tool 701 as in this embodiment, the optimum rotation speed is 100 to 200 rpm. If it is rotated at 250 rpm or more, the cable will swing around, which is dangerous. The rotation speed of a typical screwdriver is 2500 to 3000 rpm for an impact driver and 1500 to 2000 rpm for a screwdriver, so it is desirable to reduce the speed to about 1 / 20 to 1 / 15 by using a reducer. If a reducer is not installed, it is desirable to provide the rotation drive mechanism with a maximum rotation speed adjustment function. However, since there are cases where the operator does not use this function, it is more desirable to automatically limit the maximum rotation speed when the cable stripper is installed.

[0102] Sixth embodiment The sixth embodiment will be described with reference to FIGS.

[0103] The cable stripper of the sixth embodiment has the same basic structure and basic operation as the cable stripper of the fifth embodiment. Therefore, the sixth embodiment will mainly describe the differences. In the cable stripper of the fifth embodiment, the depth adjustment mechanism is directly fixed to the tool coupling mechanism, but the cable stripper of the sixth embodiment has a reducer and a torque limiter between the depth adjustment mechanism and the tool coupling mechanism.

[0104] The power tool 702 shown in FIG. 31 mainly includes a rotary drive mechanism 105 and a cable stripper 505.

[0105] The rotary drive mechanism 105 is a rechargeable drill driver or impact driver having an electric motor (not shown).

[0106] The cable stripper 505 includes the cable stripper 1 according to the first embodiment, the depth adjustment mechanism 101 described above, the reducer 104, a torque limiter 610, and the tool coupling mechanism 103.

[0107] The speed reducer 104 is made of a conventionally known technology such as a planetary gear, etc. The speed reducer 104 can slow down the rotation speed.

[0108] Torque limiter 610 is similar to a clutch used in power tools, and is a mechanism that prevents rotation of ring gear 613 by steel ball 611 and spring 612. When the output torque increases and the torque acting on ring gear 613 becomes large, the cam-shaped protrusion of ring gear 613 pushes steel ball 614 to the left side of the figure, and when steel ball 611 moves to the left side of the figure against the biasing force of spring 612, it starts to spin freely. This makes it possible to block the transmission of excessive torque, ensuring safety.

[0109] Seventh embodiment The seventh embodiment will be described with reference to FIG.

[0110] The cable stripper of the seventh embodiment has the same basic structure and basic operation as the cable stripper of the fifth embodiment. Therefore, the seventh embodiment will mainly describe the differences. In the fifth embodiment, the cable stripper can be used with multiple types of cables, but the cable stripper of the seventh embodiment is a type in which the bushing is replaced for each cable.

[0111] The power tool 703 shown in FIG. 34 mainly includes a rotation drive mechanism 105 and a cable stripper 506.

[0112] The rotary drive mechanism 105 is a rechargeable drill driver or impact driver having an electric motor (not shown).

[0113] The cable stripper 506 includes a conventional cable stripper 106, a depth adjustment mechanism 101, and a tool coupling mechanism 103 as an attachment / detachment part. Unlike the first to sixth embodiments, the conventional cable stripper 106 is of a type in which a bushing is replaced according to the type of cable.

[0114] Since the tool is centered by the tool coupling mechanism 103, there is less wobbling compared to the fourth embodiment in which the tool is held only by the bit.

[0115] Eighth embodiment The eighth embodiment will be described with reference to FIG.

[0116] The cable stripper of the eighth embodiment has the same basic structure and basic operation as the cable stripper of the seventh embodiment. Therefore, the eighth embodiment will mainly describe the differences. In the cable stripper of the seventh embodiment, the depth adjustment mechanism is directly fixed to the tool coupling mechanism, but the cable stripper of the eighth embodiment has a reducer and a torque limiter between the depth adjustment mechanism and the tool coupling mechanism.

[0117] The power tool 704 shown in FIG. 35 mainly includes a rotary drive mechanism 105 and a cable stripper 507.

[0118] The rotary drive mechanism 105 is a rechargeable drill driver or impact driver having an electric motor (not shown).

[0119] The cable stripper 507 includes a conventional cable stripper 106, a depth adjustment mechanism 101, a tool coupling mechanism 103 as an attachment / detachment unit, a reducer 104, and a torque limiter 610. Unlike the first to sixth embodiments, the cable stripper 106 is of a type in which a bushing is replaced according to the type of cable.

[0120] The rotation speed can be slowed down by the reducer 104.

[0121] The torque limiter 610 can cut off the transmission of excessive torque, ensuring safety.

[0122] (Modification) The first to eighth embodiments are merely one of various embodiments of the present disclosure. The first to eighth embodiments can be modified in various ways depending on the design and the like as long as the object of the present disclosure can be achieved. Modifications of the first to eighth embodiments are listed below. The modifications described below can be applied in appropriate combination.

[0123] The number and shapes of the parts constituting the cable holding portion are not particularly limited. For example, the third holding member and the fourth holding member may be omitted.

[0124] The shape of the cable contact portion of the cable holding portion is not particularly limited. For example, the cable contact portions of the first holding member and the second holding member may be linear in plan view, and the cable contact portions of the third holding member and the fourth holding member may be semicircular recessed in plan view.

[0125] The specific structures of the first movement mechanism, the second movement mechanism, and the third movement mechanism are not limited.

[0126] The guide portion may be provided on only one of the cable insertion portion and the cable holding portion. The guide portion may be omitted.

[0127] In the fourth to sixth embodiments, the depth adjustment mechanism may be omitted.

[0128] (Aspect) The present specification discloses the following aspects.

[0129] A cable stripper (1, 501, 502, 503, 505) according to the first embodiment includes a cable insertion portion (113), a cable holding portion (10, 10A), a blade portion (9, 9A), a rotating portion (2), and a change instruction portion (14). A cable (201, 204) is inserted into the cable insertion portion (113). The cable holding portion (10, 10A) holds the cable (201, 204) inserted into the cable insertion portion (113). The blade portion (9, 9A) has a blade tip (921, 921A) that strips at least a portion of the coating (202, 205) of the cable (201, 204) held by the cable holding portion (10, 10A). The rotating portion (2) rotates the blade portion (9, 9A) relative to the cable (201, 204). The change instruction unit (14) changes the positions of the cable contact portions (52, 62, 72, 82) of the cable holding portion (10, 10A) and the positions of the blade edges (921, 921A) of the blade portions (9, 9A) when viewed from the insertion direction of the cables (201, 204). The cable holding portions (10, 10A) can change the positions of the cable contact portions (52, 62, 72, 82) to match the outer diameter of the cables (201, 204) in accordance with instructions from the change instruction unit (14). The blade portions (9, 9A) can change the positions of the blade edges (921, 921A) in conjunction with changes in the positions of the cable contact portions (52, 62, 72, 82) of the cable holding portions (10, 10A). The rotating portion (2) rotates the blade portion (9, 9A) relative to the cable (201, 204) held by the cable holding portion (10, 10A) to strip the coating (202, 205).

[0130] According to this embodiment, the position of the cable contact portion (52, 62, 72, 82) is changed in accordance with the outer diameter of the cable (201, 204) in accordance with an instruction from the change instruction unit (14), and further, the position of the blade tip (921, 921A) of the blade portion (9, 9A) is changed in conjunction with the change in the position of the cable contact portion (52, 62, 72, 82) of the cable holding portion (10, 10A). This makes it possible to increase the efficiency of the work of stripping the coatings (202, 205) of multiple types of cables (201, 204) having different outer diameters.

[0131] In the cable stripper (1, 501, 502, 503, 505) according to the second embodiment, the blade portion (9) and the cable holding portion (10) are separate bodies that are relatively movable in the first embodiment. The cable stripper (1) further includes a movement mechanism (303) that moves the blade portion (9) in accordance with the movement of the cable holding portion (10).

[0132] According to this embodiment, it is possible to increase the efficiency of the work of stripping the coatings (202, 205) of a plurality of types of cables (201, 204) having different outer diameters.

[0133] In the cable stripper (1, 501, 502, 503, 505) according to the third embodiment, the blade portion (9A) is fixed to the cable holding portion (10A) in the first embodiment.

[0134] According to this embodiment, it is possible to improve the efficiency of the work of stripping the coatings (202A, 205A) of multiple different types of cables (201A, 204A) that have different outer diameters but approximately the same coating thickness. In addition, since the number of moving parts is reduced, the durability of the parts is improved.

[0135] In the cable stripper (1, 501, 502, 503, 505) according to the fourth aspect, in any of the first to third aspects, the cable contact portion (52, 62, 72, 82) has at least four contact portions (52, 62, 72, 82) that hold the cable (201, 204) inserted into the cable insertion portion (113).

[0136] According to this embodiment, the cable holder (10, 10A) can stably hold the cable (201, 204).

[0137] In the cable stripper (1, 501, 502, 503, 505) according to the fifth aspect, in any of the first to fourth aspects, at least one of the cable insertion portion (113) and the cable holding portion (10, 10A) has a guide portion (59, 69, 79, 89, 116) that guides the action of inserting the cable (201, 204).

[0138] According to this embodiment, when the cable (201, 204) is inserted into the cable insertion portion (113) or the cable holding portion (10, 10A), the cable (201, 204) can be smoothly inserted.

[0139] A cable stripper (1, 501, 502, 503, 505) according to a sixth aspect is in any one of the first to fifth aspects and further includes a click mechanism (152). The click mechanism (152) realizes a plurality of predetermined coating stripping patterns based on a plurality of positional relationships between the positions of the cable contact portions (52, 62, 72, 82) of the cable holding portion (10, 10A) and the positions of the blade tips (921, 921A) of the blade portions (9, 9A). The change instruction portion (14) operates the click mechanism (152) to select one of the plurality of coating stripping patterns.

[0140] According to this embodiment, by operating the click mechanism (152) through the operation of the change instruction unit (14), one of a plurality of coating stripping patterns can be selected.

[0141] A cable stripper (501, 502, 503, 505) according to a seventh aspect is the same as any of the first to sixth aspects, and further includes a stopper (142). The stopper (142) is capable of contacting the tip of the cable (201, 204) in order to determine the length of the coating (202, 205) of the cable (201, 204) to be stripped.

[0142] According to this embodiment, the length of the coating (202, 205) of the cable (201, 204) to be stripped can be determined by the stopper (142).

[0143] The cable stripper (503, 505) according to an eighth aspect is the same as any of the first to seventh aspects, and further includes a detachable part (103). The detachable part (103) is detachable from the rotary drive mechanism (105). The rotating part (2) rotates by receiving a rotational force of the rotary drive mechanism (105).

[0144] According to this embodiment, the rotating portion (2) is rotated by the rotation drive mechanism (105).

[0145] In a cable stripper (503, 505) according to a ninth aspect, in the eighth aspect, the detachable part (103) has a fixed part (108) fixed to the rotary drive mechanism (105).

[0146] According to this embodiment, the cable strippers (503, 505) are stably attached to the rotary drive mechanism (105). Therefore, there is less vibration, and the coatings (202, 205) of the cables (201, 204) can be neatly stripped.

[0147] In a cable stripper (503, 505) according to a tenth aspect, in any one of the first to ninth aspects, the rotating part (2) further includes a reducer (104).

[0148] According to this embodiment, the rotation speed can be reduced by the reducer (104).

[0149] In a cable stripper (503, 505) according to an eleventh aspect, in any one of the first to ninth aspects, the rotating portion (2) further includes a torque limiter (610).

[0150] According to this embodiment, the torque limiter (610) can prevent the transmission of excessive torque.

[0151] A power tool (701, 702) according to a twelfth aspect includes the cable stripper (1) according to any one of the first to eleventh aspects, and a rotation drive mechanism (105) that drives the rotating part (2).

[0152] According to this embodiment, it is possible to increase the efficiency of the work of stripping the coatings (202, 205) of a plurality of types of cables (201, 204) having different outer diameters. [Explanation of symbols]

[0153] 1: Cable stripper 2: Rotating part 5, 5A: First holding member 6, 6A: Second holding member 7, 7A: Third holding member 8, 8A: Fourth holding member 9, 9A: Blade part 10, 10A: Cable holding part 14: Change instructions section 52, 52A, 62: Contact recess (cable contact portion) 59, 69, 79, 89: Guide section 72, 82: Straight contact section (cable contact section) 101: Depth adjustment mechanism 104: Reducer 105: Rotation drive mechanism 113: Inner cylindrical part (cable insertion part) 116: Guide section 201, 204: Cable 202, 205: Covering 203, 206: Heartwood 303: Third moving mechanism (moving mechanism) 501, 502, 503, 505: Cable strippers 610: Torque limiter 701, 702: Power tools 921, 921A: Cutting edge

Claims

1. a cable insertion portion into which a cable is inserted; a cable holder for holding the cable inserted into the cable insertion portion; a blade portion having a cutting edge configured to strip at least a portion of the sheath of the cable held by the cable holding portion; a rotating portion that rotates the blade portion relative to the cable; a change instruction unit that changes a position of a cable contact portion of the cable holding portion and a position of the blade tip of the blade portion when viewed from an insertion direction of the cable; Equipped with the cable holding unit is capable of changing a position of the cable contact unit in accordance with an instruction from the change instruction unit in accordance with an outer diameter of the cable, the blade portion is capable of varying a position of the blade tip in response to a change in a position of the cable contact portion of the cable holding portion, The rotating unit rotates the blade unit relative to the cable held by the cable holding unit to strip the coating. Cable stripper.

2. The blade portion and the cable holding portion are separate bodies that are movable relative to each other, The cutting tool further includes a movement mechanism that moves the blade portion in accordance with the movement of the cable holding portion.

2. The cable stripper of claim 1.

3. The blade portion is fixed to the cable holding portion.

2. The cable stripper of claim 1.

4. The cable contact portion has at least four contact portions that hold the cable inserted into the cable insertion portion. The cable stripper according to any one of claims 1 to 3.

5. At least one of the cable insertion portion and the cable holding portion has a guide portion that guides the operation of inserting the cable. The cable stripper according to any one of claims 1 to 3.

6. a click mechanism that realizes a plurality of predetermined coating stripping patterns based on a plurality of positional relationships between a position of the cable contact portion of the cable holding portion and a position of the blade tip of the blade portion, the change instruction unit operates the click mechanism to select one of the plurality of coating stripping patterns. The cable stripper according to any one of claims 1 to 3.

7. The cable further includes a stopper that can come into contact with a tip of the cable to define a length of the cable to be stripped of the covering. The cable stripper according to any one of claims 1 to 3.

8. Further comprising a detachable part that is detachable from the rotation drive mechanism, The rotating unit rotates by receiving a rotational force from the rotation drive mechanism. The cable stripper according to any one of claims 1 to 3.

9. The detachable unit has a fixing unit that is fixed to the rotation drive mechanism.

9. The cable stripper of claim 8.

10. The rotating unit further includes a reducer.

10. The cable stripper of claim 9.

11. The rotating portion further includes a torque limiter.

10. The cable stripper of claim 9.

12. A cable stripper according to any one of claims 1 to 3, A rotation drive mechanism that drives the rotating unit; Equipped with a power tool.

Images