JP2001268740A - Rechargeable cable sheath stripper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rechargeable cable sheath stripper which strips off the coatings of electric wires having complicated construction, coatings such as the insulators (crosslinked polyethylene insulation), and sheaths (vinyl sheaths) of various kinds of cables such as high-voltage CV power cables, etc., for example with good operatability, certainly and safely on top of that. SOLUTION: This is a rechargeable cable sheath stripper which has an attachment 20 provided with an approximately cylindrical attachment body 21 to be rotated by driving force from the driving motor of a driving part 3 when attached. In an opening formed in the attachment body 21, a working table 30 for fitting a blade 32 is arranged. The working bench 30 has a guide board 35 which guides a broken segment of a coating material cut by the blade 32 to the radial outside of the attachment body 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large-diameter electric wire (also referred to as "an electric cable" in the present specification), for example, a sheath (vinyl sheath) or a cable of each size such as a high-voltage CV cable for electric power. The present invention relates to a rechargeable cable stripper capable of stripping a coating such as a crosslinked polyethylene insulation.

[0002]

2. Description of the Related Art There has been proposed a hand-held wire-sheath stripper 1 used for stripping a wire having a structure as shown in FIGS. The brief description is as follows.

The hand-held electric wire stripper 1 includes a hand-held case 2 having a built-in rechargeable battery 4 and a motor 5, and a cylindrical support 11 is disposed on the upper part of the hand-held case 2. In the hole of the support 11, a tubular piece member 20 is provided.
Is inserted from the front part, and is rotatably mounted on the spot by a retaining screw 15. In this state, the gear 10 connected to the output shaft of the electric motor 5 in the hand-held case 2
And the gear 28 provided on the outer periphery of the piece member 20 mesh with each other, and the rotational force of the electric motor 5 is transmitted to the piece member 20.

[0004] A transparent window 26 is formed in the peripheral wall of the piece member 20, and a cutting edge 32 is fixed to the transparent window 26 so as to protrude inward by a predetermined distance.

Accordingly, when the covered electric wire 100 is inserted through the opening on the distal end side of the piece member 20, the covering layer 101 becomes
The cutting material 32 is cut by the cutting edge 32 which rotates together with the coating material, and the coating material broken piece 102 extends to the outside through the window 26.

[0006] The insertion amount of the insulated wire 100 into the bridge member 20 is determined by abutting the distal end of a stopper 40 attached to the rear end opening of the bridge member 20. Therefore,
When the tip of the insulated wire 100 comes into contact with the tip of the stopper 40, the covering material broken piece 102
1, and the stripping operation of the coating layer 101 is completed.

[0007] Such a hand-held electric wire coating stripper 1 can very suitably strip the coating of a large-diameter electric wire.

[0008]

However, the conventional hand-held electric wire stripper 1 can be applied to a coated electric wire 100 that can be applied.
Is a wire having a more complicated structure, that is, a sheath (vinyl sheath) such as a high-voltage CV cable for power having a shielding layer between a sheath (vinyl sheath) and an insulator (cross-linked polyethylene insulation). ) And insulation (crosslinked polyethylene insulation) with good operability and
Further improvements are desired for reliable and safe stripping.

That is, in an electric wire having a complicated structure, there are many types of coating layers to be stripped, and the stripping dimensions are different from each other. As a result of the experiments of the present inventors, it was found that two types of attachments, an attachment for the jacket and an attachment for the insulator, were required. It has been found that the operability of the coating stripping machine is remarkably reduced, and a great deal of labor is required for an operator, and in some cases, accurate stripping itself becomes difficult.

[0010] Accordingly, an object of the present invention is to provide a cover such as a sheath (vinyl sheath) and an insulator (cross-linked polyethylene insulation) of an electric wire having a complicated structure, for example, various cables such as a high-voltage CV cable for electric power. An object of the present invention is to provide a rechargeable cable sheath stripper that can be peeled off well, securely and safely.

[0011] Another object of the present invention is to provide a cable having a complicated structure, such as a sheath (vinyl sheath) or an insulator (cross-linked polyethylene insulation) of various cables such as a high-voltage CV cable for power, with an accurate coating. It is an object of the present invention to provide a rechargeable cable stripper capable of stripping with good operability, reliably and safely without damaging a coating layer at a stripping length.

[0012]

The above object is achieved by a rechargeable cable sheath stripper according to the present invention. In summary, the present invention provides a grip portion that can be connected to a rechargeable battery, and extends horizontally at the upper end of the grip portion and is integrally formed with the grip portion, and can be driven by the battery. A driving unit provided with a driving motor, a cylindrical support base having a through-hole formed integrally with the driving unit above the driving unit, and a mountable mount in the through-hole of the support base. A rechargeable cable coating stripper having an attachment having a substantially cylindrical attachment body having a through hole formed in an axial direction, the attachment being rotated by a driving force from a driving motor of the driving unit at the time of mounting. In the machine, a workbench for attaching a cutting edge for stripping a cable coating is provided in an opening formed in the attachment main body, and the worktable attaches the coating material broken fragments cut by the cutting edge. A rechargeable cable coating stripping machine, characterized in that it comprises a guide plate for guiding the radially outwardly of the cement body.

According to an embodiment of the present invention, a resin cylinder is provided on the inner surface of the through hole of the attachment body on the cable insertion side.

According to another embodiment of the present invention, a stripping length adjusting means is provided on a side of the attachment main body opposite to the cable insertion side, and the stripping length adjusting means is provided with the attachment main body. A support ring attached to a through-hole entrance opposite to the cable insertion side, a bearing provided in a center hole of the support ring, a support sleeve rotatably installed via the bearing, and the support sleeve A stopper shaft movably disposed in a center hole of the stopper shaft, a stopper flange provided at an inner end portion of the stopper shaft, a spring disposed between the stopper flange and the support sleeve, and the stopper shaft A set screw provided on the support sleeve for fixing the
Having.

According to another embodiment of the present invention, there is provided a protection means detachably attached to the main body of the rechargeable cable sheathing and stripping machine, wherein the protection means is provided integrally with the grip part. And a front face of the protection block is fitted to the machine body so as to fit a connection area between the driving unit and the support base. According to another embodiment, the protective block is made of urethane foam.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a rechargeable cable sheath stripper according to the present invention will be described in more detail with reference to the drawings.

FIGS. 1 and 2 show an embodiment of a rechargeable cable sheath stripper 1 according to the present invention. The rechargeable cable sheath stripper 1 of the present embodiment has a grip portion 2 shaped so that an operator can easily hold it with one hand, and extends horizontally at the upper end of the grip portion 2 and is integrated with the grip portion 2. And a driving unit 3 formed in the A rechargeable battery 4 is freely connected to the lower end of the grip portion 2.

In this embodiment, the driving section 3 has a substantially cylindrical shape, and a space is formed therein. This interior space
Although a left end is opened in FIG. 2, a drive motor 5 is installed inside, and a first drive gear 6 is attached to an output shaft 5 a of the drive motor 5. A cover plate 7 is attached to the front end of the drive unit 3 with screws 8 or the like, and a second drive gear 10 is attached to a shaft 9 rotatably attached to the cover plate 7. The second drive gear 10 meshes with the first drive gear 6 and the second drive gear 1
A part of the outer periphery of the drive unit 3 is exposed to the outside from the outer periphery of the drive unit 3.

On the upper part of the driving unit 3, a cylindrical support base 11 formed in parallel with the driving unit 3 and integrally with the driving unit 3.
Is provided. In a hole 12 formed through the support base 11 in the axial direction, bearings 13 and 14 are provided adjacent to front and rear ends.
Is attached.

An attachment 20 having a substantially cylindrical shape is freely inserted into the through hole 12 of the support base 11, and the outer periphery of the attachment body 21 is rotatably supported on the support base 11 via the bearings 13 and 14. In addition, the attachment 20 is formed on the outer periphery of the attachment body 21, and the tip 15 a of the stopper screw 15 provided on the support base 11 is engaged with the annular groove 22. At this time, the distal end portion 15a of the retaining stopper screw 15 is not pressed against the wall surface of the annular groove 22 of the attachment main body 21.
The movement of the attachment body 21 in the axial direction is prevented, but the rotation of the attachment main body 21 is enabled, because the distal end portion 15a of the fifth member 5 is movably fitted in the annular groove 22.

The attachment body 21 has a through hole 23 formed along the central axis, and a cable insertion side through hole, that is, a cable insertion area 23a is formed on the left side in FIGS. Adjacent to this cable insertion area 23a,
As can be understood with reference to FIGS. 3 and 4, the peripheral wall has an angle (α), for example, α = 70 to 120 degrees (90 degrees in this embodiment), and an axial width (W) = 2 to 4 cm ( In this embodiment, the cutout is 3 cm), and an opening 25 communicating with the through hole 23 is formed. Also, one side 2 of the opening 25 in the circumferential direction.
A block-shaped work table 30 is provided at 5a.
In this embodiment, the worktable 30 is formed integrally with the outer peripheral wall of the attachment body 21.

More specifically, in this embodiment, the work table 30 is formed integrally with the attachment body 21 by casting. The workbench 30 has an elongated mounting groove 33 for the cutting edge 32 which is located adjacent to the cable insertion side through hole 23a of the attachment body 21, that is, at the left end of the opening 25 in FIGS. 1 and 2. The cutting edge 32 is attached to the elongated attachment groove 33 with a screw 34. Slender mounting groove 3
At 3, the projecting length of the cutting edge 32 into the through hole 23 is set to be equal to or less than the coating thickness. As shown in FIG.
Preferably, the cutting edge 32 is oriented such that the tip is tangential to the outer circumference of the cable coating.

More specifically, in FIG. 4, the position of the tip of the cutting edge 32 (indicated by the diameter A) corresponds to the position of the cable 10 inserted into the cable insertion side through hole 23a of the attachment body 21.
It is changed corresponding to the cross-sectional area (S) of 0, and in the present embodiment, for example, the dimensions can be as shown in Table 1 below.

[0024]

[Table 1] Further, the work table 30 has an inclined guide surface 30a facing the opening 25 of the work table 30 and guiding the coating material broken pieces 102 cut by the cutting edge 32 outward, and an inclined guide surface 30a. A guide plate attachment surface 30b is formed to extend more outward in the radial direction at a predetermined angle (β) with respect to the inclined guide surface 30a. A guide plate 35 for guiding the covering material broken pieces 102 further outward is mounted on the guide plate mounting surface 30b. The outside dimensions B and C of the worktable 30 are set to dimensions suitable for attaching the guide plate 35. In the present embodiment, β is set to 135 degrees, though not limited thereto.

Referring to FIGS. 3 to 5, a guide plate 35 mounted on the guide plate mounting surface 30b with screws 36.
Is shown. The guide plate 35 extends further outward than the workbench mounting surface 30b. As a result of the research experiments by the present inventors, the amount of outward extension of the guide plate 35 can be set arbitrarily, but as shown in FIG. 3, the radius (R) from the center of the attachment body 21 is 5 mm. It was found that by setting the length to ８8 cm, the covering material fragments 102 could continuously extend outward without being entangled with the machine body.

The guide plate 35 is formed with a notch 37 for mounting the cutting edge 32.
0b, for example, provided over a width of about 2 to 4 cm,
A tongue piece 38 is formed on a side of the work table 30 and bent downward so as to fit the side surface of the work table 30. The operation of the guide plate 35 will be described later in more detail.

As shown in FIGS. 5 and 6, a resin cylinder 27, for example, is press-fitted into the cylindrical attachment body 21 from the position where the work table 30 is attached to the inner periphery of the cable insertion side through hole 23a. The inner peripheral surface of the resin cylinder 27 can be used as the cable insertion side through hole 23a. The resin cylinder 27 is inserted in the cable insertion-side through hole 23a, for example, in order to prevent damage to the insulator in a region where stripping is not performed at the time of stripping the insulator of the cable. In addition, the friction between the outer periphery of the cable inserted into the cable insertion side through hole 23a of the attachment 20 is reduced, and the rotation of the attachment 20 is smoothly performed.

On the other hand, the cylindrical attachment body 21 has an outer peripheral portion adjacent to the work table 30 and the work table 3.
The driven gear 28 is fixed at a rear end portion from zero. The driven gear 28 connects the attachment 20 to the support base 11.
The second drive gear 10 meshes with the second drive gear 10 by being inserted into the through hole 12.

As shown in FIGS. 5 and 6, according to the present invention, the attachment 20 is inserted into the attachment 20 in order to strip the end of the cable by a predetermined length. A stripping length adjusting means 40 which comes into contact with the leading end of the stripped cable can be provided.

According to the present embodiment, the stripping length adjusting means 40 is provided with a screw 41 at the entrance of the attachment body through hole 23 on the rear end side 23b opposite to the cable insertion side 23a.
Has a support ring 42 attached thereto. A support sleeve 44 is rotatably installed via a bearing 43 provided in a center hole of the support ring 42. Further, the support sleeve 4
A stopper shaft 46 is movably fitted in and disposed in the center hole 45 of 4. Stopper flanges 47 a and 47 b having a diameter larger than that of the stopper shaft 46 are formed at the front end and the rear end of the stopper shaft 46, respectively.
A spring 48 is mounted between the support sleeve 44 a and the support sleeve 44. The support sleeve 44 is provided with a set screw 49 for fixing the stopper shaft 46 at a predetermined position against the force of the spring 48 for urging the stopper shaft 46 leftward in FIG.

According to the present invention, as shown in FIGS. 7A and 7B, the attachment 20 having the above-described structure has through holes 23 of various diameters so as to adapt to the diameter of the cable. Is prepared. In addition, a resin cylinder 27 is provided in the cable insertion area of the attachment.
As described above, the stripping length adjusting means 40 may also be provided.

Next, the operation of the rechargeable cable sheath stripper 1 according to the present invention having the above configuration will be described.

For example, in the case of the power high-voltage cable 100 or the like, when performing the cable terminal treatment, it is necessary to first remove the cable sheath (vinyl sheath) coating layer 101 from the tip over a predetermined length.

In stripping the coating layer 101, first, a length obtained by adding the length of the cable insertion side through hole 23a of the attachment to the length of stripping the cable jacket of the cable 100 is measured. , FIGS. 2, 8 and 9
As shown in (1), the stripping length adjusting means 200 is attached to the cable 100.

Although any means can be used for the stripping length adjusting means 200, the stripping length adjusting means 200 used in this embodiment will be briefly described with reference to FIGS. It is as follows.

The sheath stripping length adjusting means 200 has a cylindrical holder 201, and a cylindrical support 202 is slidably disposed inside the holder 201. Cylindrical support 20
2 has a screw 20 at one end and a cylindrical support 202.
A nut member 204 fixed at 3 is provided. or,
The holding member 206 is attached to the cylindrical support 202 with a screw 205.
Has been fixed. That is, the gripping member 206 is formed of a plate material, the tip gripping portion 206a is formed in a V shape, and the other end fixing portion 206b is fixed to the cylindrical support 202 with the screw 205. The connecting portion 206c that connects the fixing portion 206b and the grip portion 206a and extends in the radial direction of the cylindrical holder 201 is engaged with the groove 201a formed in the cylindrical holder 201 in the axial direction. Therefore, the gripping member 206 can reciprocate in the axial direction without rotating with respect to the cylindrical holder 201.

Further, a stopper 207 is fixed to the tip of the cylindrical holder 201 on the side where the gripping member 206 is disposed with a screw 208, and a compression spring 209 is provided between the stopper 207 and the nut member 204. Are located. Therefore, the nut member 204 and the cylindrical support 202
The gripping member 206 is biased rightward in FIG.

On the other hand, a screw shaft 210 is disposed inside the cylindrical holder 201 so as to extend in the axial direction, and is screwed to the nut member 204 so that there is no relative rotation with the nut member 204. Fixed. The screw shaft 210 is provided with the gripping member 206 of the cylindrical holder 201.
Adjustment nut 21 provided on the side opposite to the side where
1 is rotatably screwed.

In the above configuration, by rotating the adjustment nut 211 in any one direction, the adjustment nut 211
In FIG. 9, it can be moved in the direction away from the cylindrical holder 201 to the right side. That is, the gripping member 206
It is possible to project in the direction away from the stopper 207 to the left in FIG. 9 against the spring 209.
In this state, the tip 206a of the gripping member 206 and the stopper 2
07 and a cable 100 (or 10) having a predetermined diameter.
0 ') is inserted. The cable 100 is connected to the spring 20
9, the gripping member 206 urged to the right in FIG.
Is gripped by the tip 206a of the second member and the stopper 207. Next, the adjustment nut 211 is brought into contact with the end of the cylindrical holder 201 by rotating the adjustment nut 211 to the opposite side. By further rotating the adjustment nut 211, the screw shaft 210 is moved rightward in FIG.
As a result, the sheath stripping length adjusting means 200 tightens the outer periphery of the cable 100 by the distal end 206a of the
Firmly fixed to zero.

The end covering layer 1 of the cable 100 to which the jacket stripping length adjusting means 200 is attached in this manner.
The attachment 20 having the through hole 23a suitable for the outer diameter of 01 is selected. Selected attachment 20
Is attached to the rechargeable cable sheath stripper 1 of the present invention.

That is, as shown in FIGS. 1 and 2, the attachment 20 is inserted into the through hole 12 of the support base 11, and the driven gear 28 is meshed with the second driving gear 10 of the driving section 3.

Next, the cable insertion-side through hole 23a of the attachment 20 is inserted into the end of the cable.

Thereafter, the lock button 1 provided on the grip 2
When the switch button 16 is operated while pressing 7, the drive motor 5 connected to the battery 4 is driven. As described above, by providing the interlock mechanism, safety in operation can be ensured. The interlock mechanism will be described later in detail.

The torque of the drive motor 5 is transmitted to the driven gear 28 of the attachment 20 via the first and second drive gears 6 and 10 to rotate the attachment 20.
The rotation direction of the attachment 20 is the direction of the arrow in FIG.

The cutting edge 32 rotating together with the attachment body 21 comes into contact with the outer coating layer 101 at the end of the cable, and cuts the coating layer 101 spirally and continuously along the circumferential direction. The cut coating layer 101 becomes an elongated broken piece 102 (FIGS. 2 to 4), passes through the opening 25 and the inclined guide surface 30 a of the worktable 30, and is further opened by a guide plate, that is, an anti-entanglement blade 35. Guided outside through 25. The anti-entanglement blade 35 guides the broken piece 102 as high as possible from the opening 25,
Thus, the broken pieces 102 are not entangled with the stripper 1, and do not hinder the stripping operation of the operator. According to the present invention, it was found that the provision of the anti-entanglement blade 35 did not cause the broken pieces 102 to be entangled around the machine main body, so that workability was extremely good.

By moving the attachment 20 forward while performing the stripping operation, the distal end of the attachment 20 comes into contact with the mounted stripping length adjusting means 200 and further progress is prevented. Is done. At this point, the attachment 20 is rotated two or three times. As a result, the coating fragment 102 is cut off from the cable tip.

With such a configuration, according to the present invention, it is possible to realize an extremely accurate stripping length of the cable jacket.

Thereafter, when the finger is released from the switch 16, the lock button 17 is automatically returned to the locked state by the interlock mechanism, and the drive motor 5 is stopped. Then
Pull out the attachment 20 from the cable tip. Thereby, the stripping operation of the cable jacket 101 is completed.

Next, the operation of stripping the insulator of the cable using the rechargeable cable stripper according to the present invention will be described. As the attachment 20, FIGS.
As shown in FIG. 10 and FIG. 10, it is preferable to use a cable provided with a resin cylinder 27 in the cable insertion area and with a stripping adjustment means 40 attached.

In the above-described embodiment, in the CV cable 100 or the like in which the sheath has been completely stripped, it is necessary to remove the covering layer 101 such as a cable insulator over a predetermined length from the end. It is said.

The covering layer 1 of the tip of the cable 100
The attachment 20 suitable for the outer diameter of 01 is selected.
The stripping length adjusting means 40 is set in the rear end opening 23b of the selected attachment.

Next, as shown in FIG. 10, the ruler 11 is inserted through the cable insertion port 23a of the selected attachment.
0, the stopper flange 47a is pushed in with a ruler 110 against the force of the spring 48 of the stripping length adjusting means 40, and when the stripping length has a predetermined dimension, the retaining screw 49 is tightened. Stopper center axis 46
Is fixed in that position.

Subsequently, the adjusted attachment 20 is attached to the rechargeable cable sheath stripper 1 of the present invention. That is, the attachment 20 is inserted into the through hole 12 of the support base 11, and the gear 28 meshes with the drive gear 10 of the drive unit 3. Next, the lock button 1 provided on the grip 2
When the switch button 16 is operated while pressing 7, the drive motor 5 connected to the battery 4 is driven.

The torque of the drive motor 5 is transmitted to the driven gear 28 of the attachment 20 via the first and second drive gears 6 and 10 as shown in FIG.
Rotate 0. The rotation direction of the attachment 20 is set to the arrow X direction in FIG.

The cutting edge 32 rotating together with the attachment body 21 comes into contact with the insulator coating layer 101 at the end of the cable, and cuts the coating layer 101 spirally and continuously along the circumferential direction. As described above, the cut coating layer 1
01 becomes an elongated broken piece 102 (FIGS. 2 and 3), passes through the opening 25 and the guide inclined surface 30a of the worktable 30, and
Further, it is guided to the outside by a guide plate, that is, an anti-entanglement blade 35.

By moving the attachment 20 forward while performing the stripping operation of the coating, the front end of the cable is connected to the stopper flange of the stripping length adjusting means 40 attached from the rear end side of the through hole 23 of the attachment 20. 47a, and further progress is prevented. At this point, the attachment 20 is rotated two or three times. As a result, the coating fragment 102 is cut off from the cable tip.

According to the present invention, the stopper flange 47a of the stripping adjusting means 40 can move relative to the attachment body 21 without moving relative to the cable end in a state in which the stopper flange 47a is in contact with the cable end. As a result, the rotational movement of the attachment main body 21 is not hindered, and extremely good excising of the fragment 80 can be performed. With this configuration, according to the present invention, it is possible to realize a very accurate stripping length of the cable coating layer. In addition, by providing the resin cylinder 27 in the cable insertion region 23 of the attachment 20, damage to the insulator covering layer 101 can be prevented.

Thereafter, when the finger is released from the switch 16, the lock button 17 automatically returns to the locked state, and the drive motor 5 stops. Next, the attachment 20 is pulled out from the cable tip. Thereby, the stripping operation of the cable insulator covering layer 101 is completed.

According to the present invention, the protection means 50 can be mounted on the machine main body in order to more easily perform the above-mentioned stripping operation of the coating layer such as the jacket or the insulator.
According to one embodiment, the protection means 50 comprises
As shown in (1), it has a grip portion 51 and a protection block 52 made of, for example, urethane foam provided integrally with the grip portion 51. By making the protection block 52 made of urethane foam, it is possible to obtain an effect that damage due to impact can be eliminated and the weight can be reduced.

According to the present embodiment, the front surface of the protection block 52 is formed into a substantially W-shape suitable for the connection region between the cylindrical driving part 3 and the support base 11, and formed through the protection block 52. A metal nut 55 is mounted in the hole 54 thus formed. One end of the nut 55 is screwed to a screw shaft 51a provided at the tip of the grip portion 52, and the other end is screwed to a bolt 53 provided in a connection area of the machine body. Thereby, the protection means 50 is attached and fixed to the machine body.

When the protection means 50 is attached to the machine main body, the gripping part 51 of the protection means 50 and the grip part 2 of the machine main body can be held by both hands to perform the stripping operation, and the workability is improved. Significantly improved.

Next, the interlock mechanism will be described.

FIGS. 13 and 14 show one embodiment of the interlock mechanism. In this embodiment, the interlock mechanism 7
Numeral 0 has a plate-shaped rectangular lock button 17 which is slidably disposed adjacent to and above the switch button 16. Both ends of the lock button 17 are arranged so as to protrude slightly to both sides of the grip portion 2. Further, the lock button 17 is configured such that one end of the tension spring 71 is
Locked by a pin 72 fixed to the lock button 17, the lock button 17 is urged in the direction of arrow X in FIG.

The switch button 16 and the lock button 1
7, a lever 74 that swings around a support shaft 73 is arranged. A guide pin 75 is provided at an end of the swing lever 74 opposite to the support shaft 73 and is slidably fitted in a guide groove 76 formed in the lock button 17. Further, the swing lever 74 is provided with a stopper 77 that engages with the operation piece 16a provided on the switch button 16 and prevents the switch button 16 from moving.

In the interlock mechanism 70 having the above structure, as can be understood by referring to FIGS. 14A and 14B, FIG.
1 is urged in the direction of the arrow X.
The stopper 77 of the swing lever 74 is engaged with the operation piece 16a of the switch button 16, and the operation of the switch button 16 is disabled.

Now, as shown in FIG. 14B, the lock button 17 is pushed in the direction of the arrow Y against the urging force of the tension spring 71. Thereby, the guide groove 7 of the lock button 17 is provided.
6, the guide pin 75 is also pushed in the direction of arrow Y, and the swing lever 74 swings around the support shaft 3. Therefore, the stopper 77 of the swing lever 74 is disengaged from the engagement with the operation piece 16a of the switch button 16, and the operation of the switch button 16 is enabled. Therefore, the switch button 16 is operated in the arrow Z direction, that is, in the switch ON direction, while the lock button 17 is pressed in the arrow Y direction. As a result, the switch operating member 16b formed on the switch button 16 operates the switch SW, and the drive motor 5 is turned on. The operating piece 16a is provided with a stopper 77.
14A, and prevents the lock button 17 from returning to the state shown in FIG.

If the finger is released from the switch button 16, the switch button 16 returns to the position shown in FIG. Accordingly, the engagement between the operation piece 16a and the stopper 77 is released, and the lock button 17 is returned to the state shown in FIG. As a result, the operation of the switch button 16 is disabled by the lock button 17.

As described above, according to the present invention, the grip 2
The drive motor 5 is driven for the first time by operating the switch button 16 while depressing the lock button 17 provided on the vehicle. On the other hand, when the switch button 16 is released, the operation of the switch button 16 is automatically disabled. Therefore, by providing such an interlock mechanism, it is possible to ensure operational safety.

[0069]

As described above, the present invention relates to a grip portion which can be connected to a rechargeable battery, and extends horizontally at the upper end of the grip portion and is formed integrally with the grip portion. A drive unit provided with a drive motor that can be driven by the drive unit, a cylindrical support base having a through hole formed integrally with the drive unit on the upper part of the drive unit, and mounted in the through hole of the support base A rechargeable cable covering, comprising: an attachment having a substantially cylindrical attachment body having a through hole formed in an axial direction, the attachment being freely arranged, and being rotated by a driving force from a driving motor of a driving unit at the time of mounting. In the stripper, a workbench for attaching a cutting edge for stripping a cable coating is provided in an opening formed in the attachment body, and the worktable is configured to cut the coating material fragments cut by the cutting edge into the attachment body. Since it is configured to have a guide plate for guiding the radially outward, (1) wire having a complex structure, for example a power high CV
The sheath (vinyl sheath) of the cable and the like and the cable insulator can be peeled off with good operability, and also reliably and safely. (2) Further, by providing a resin cylinder at the inner peripheral portion of the through hole on the cable insertion side and providing a stripping length adjusting means at the rear of the attachment, the cable insulator is particularly removed at the time of stripping the cable insulator. The coating can be stripped at the correct length without damage. (3) Further, by using the protection means attached to the machine body, the peeling operation can be performed while holding the protection means with both hands, and the operation can be performed with good operability and reliably and safely. Such an effect can be obtained.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing one embodiment of a rechargeable cable sheath stripper of the present invention.

FIG. 2 is a sectional view showing an embodiment of the rechargeable cable sheath stripper of the present invention.

FIG. 3 is a cross-sectional view taken along a line III-III in FIG. 2, illustrating a configuration of an embodiment of a worktable in the rechargeable cable sheath stripper of the present invention.

FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 2, illustrating the configuration of an embodiment of the worktable in the rechargeable cable sheath stripper of the present invention.

FIG. 5 is a perspective view showing one embodiment of a rechargeable cable sheath stripper of the present invention equipped with a guide plate.

FIG. 6 is a cross-sectional view showing one embodiment of the rechargeable cable sheath stripper of the present invention equipped with a stripping length adjusting means.

FIG. 7 is a front view showing another embodiment of the attachment that can be mounted on the rechargeable cable sheath stripper of the present invention.

FIG. 8 is a perspective view showing a state in which the sheath stripping length adjusting means is attached to the cable jacket.

FIG. 9 is a longitudinal sectional view of a sheath stripping length adjusting means.

FIG. 10 is a diagram illustrating a preparatory step of an attachment before being attached to the rechargeable cable stripper according to the present invention.

FIG. 11 is a front view of one embodiment of the protection means used in the rechargeable cable sheath stripper of the present invention.

FIG. 12 is a perspective view showing an embodiment in which protection means is attached to the rechargeable cable sheath stripper of the present invention.

FIG. 13 is an exploded perspective view of one embodiment of an interlock mechanism.

FIG. 14 is a plan view illustrating the operation of the interlock mechanism.

FIG. 15 is a perspective exploded view of a conventional cable coating stripper.

FIG. 16 is a cross-sectional view of a conventional cable coating stripper.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rechargeable cable stripper 2 Grip part 3 Drive part 4 Battery 5 Drive motor 11 Support base 20 Attachment 21 Attachment main body 23a Cable insertion side through hole 30 Work table 32 Blade edge 30a Inclined guide surface 30b Guide plate mounting surface 35 Guide plate Reference Signs List 40 Stripping length adjusting means 42 Support ring 43 Bearing 44 Support sleeve 46 Stopper shaft 47a, 47b Stopper flange 48 Spring 49 Set screw 50 Protection means 70 Interlock mechanism 100 Cable 101 Coating layer 102 Fragment 200 Stripping length Adjustment means

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Keizo Kushida 3-5-5 Shiba 3-chome, Minato-ku, Tokyo Keiai Aiuchi F-term (reference) 3C061 AA35 EE22 5G353 AB03 AC03 CA01 DA05 EA01 EA02 EA04 EA09

Claims (5)

[Claims] 1. A grip that can be connected to a rechargeable battery, and a drive that extends horizontally at an upper end of the grip and is formed integrally with the grip, and is drivable by the battery. A drive unit provided with a motor, a cylindrical support base having a through hole formed integrally with the drive unit above the drive unit, and a mounting part disposed so as to be freely mountable in the through hole of the support base; At times, the attachment is provided with an attachment body having a substantially cylindrical shape with a through hole formed in the axial direction, which is rotated by a driving force from a driving motor of the driving unit, and a rechargeable cable coating stripper having: In an opening formed in the attachment main body, a work table for attaching a cutting edge for stripping a cable coating is provided,
The rechargeable cable stripper according to claim 1, wherein the work table includes a guide plate that guides the broken piece of the coating material cut by the cutting edge to the outside in the radial direction of the attachment body. 2. The rechargeable cable sheath stripper according to claim 1, wherein a resin cylinder is provided on an inner surface of the cable insertion side through hole of the attachment body. 3. A stripping length adjusting means is provided on a side of the attachment body opposite to a cable insertion side,
The stripping length adjusting means includes: a support ring attached to a through hole entrance portion of the attachment body opposite to a cable insertion side; a bearing provided in a center hole of the support ring; and A support sleeve rotatably installed, a stopper shaft movably disposed in a center hole of the support sleeve, a stopper flange provided at an inner end of the stopper shaft, the stopper flange and the support sleeve And a set screw provided with the support sleeve for fixing the stopper shaft at a predetermined position. Machine. 4. A rechargeable cable sheath stripper having protection means detachably attached to the main body, wherein the protection means includes a grip portion and a protection block provided integrally with the grip portion. The rechargeable cable stripper according to claim 1, 2 or 3, wherein a front surface of the protection block is fitted to the machine body so as to fit a connection area between the driving unit and the support table. . 5. The stripper of claim 4, wherein the protection block is made of urethane foam.