【発明の詳細な説明】 この発明は被覆電線を複数本束ねて、その外側を更にプ
ラスチック、ゴム等で被覆したケーブルの被覆部を切刃
を用いて剥離するケーブルストリッパーに関する。ケー
ブルの被覆を剥離する場合、剥離しようとする長さの位
置にケーブルの被覆部に輪切り状の切り込みを入れ筒状
の被覆を引き抜くか、或いは輪切り状の切り込みとは別
にこの切り込み部からケーブルの先端まで別の刃物で被
覆部に縦割りの切り込みを入れ、被覆を剥ぎ取る方法で
行うのが一般的である。この発明は、ケーブルの被覆部
に輪切り状の切り込みを入れ、極めて迅速で精確かつ容
易に切り込みが入れられ、かつ内部電線にキズを付ける
ことなく、奇麗に剥離できるケーブルストリッパーを提
供することにある。この発明を図面に示す実施例にもと
ずき説明する。第１図ないし第３図に示すものは第一実
施例であり、柄１は細長い二枚の板を重ね合わせリベッ
ト２で固定されている。柄１の前部には二枚の板の一方
の板の内側に薄板の切刃３を収納するため、切刃３の板
厚より少し厚目の凹段部４を設け、この凹段部４の中に
ケーブルの被覆部に輪切り状の切り込みをいれるため、
鋭角に対向した勾配面５を有する巾細扇形の穴６を設
け、刃先がこの勾配面５の一方の面に沿って少し突出す
るように切刃３が取り付けられている。切刃３の前部の
固定穴７は柄１の凹段部４の中に有る長穴８をガイドと
して前後に移動でき、切刃３の後部の端部９は凹段部４
の当部１０に当接し、当部１０は長穴８と平行のため、
切刃３は勾配面５と平行で出し入れ自在に必要量を突出
させられる。柄１の長穴８と切刃３の固定穴７を通して
ボルト１１が挿着されており、ナット１２により切刃３
は柄１に固定される。柄１の後端部には指の通る大きさ
の穴１３が設けられている。第４図および第５図に示す
ものは第二実施例であり、ケーブルの被覆部に輪切り状
の切り込みを入れるため、柄２１の前部の凹段部２４の
中に鋭角に対向した勾配面２５を有する溝２６を設け、
切刃２３が刃先をこの勾配面２５の一方の面に添って面
と平行に出し入れ自在に必要量を突出できるように取り
付けられている。柄２１の後端部には指の通る大きさの
穴３３が設けられている。第６図ないし第９図に示すも
のは第三実施例であり、第一実施例の穴６の側面にケー
ブル押さえを追加することと、柄１の前端部にケーブル
の被覆部を縦割りするための切り込みを入れる切刃を追
加して取り付けたものである。柄４１は細長い二枚の板
を重ね合わせ、リベット４２で固定されている。柄４１
の前部には二枚の板の一方の板の内側に薄板の切刃４３
を収納するため、切刃４３の板厚より少し厚目の凹段部
４４を設け、この凹段部４４の中にケーブルの被覆部に
輪切り状の切り込みを入れるため、鋭角に対向した勾配
面４５を有する巾細扇形の穴４６を設け、刃先がこの勾
配面４５の一方の面に添って少し突出するように切刃４
３が取り付けられている。切刃４３の前部の固定穴４７
は柄４１の凹段部４４の中に有る長穴４８をガイドとし
て前後に移動でき、切刃４３の後部の端部４９は凹段部
４４の当部５０に当接し、当部５０は長穴４８と平行の
ため、切刃４３は勾配面４５と平行で出し入れ自在に必
要量を突出させられる。柄４１の長穴４８と切刃４３の
固定穴４７を通してボルト５１が挿着されており、ナッ
ト５２により切刃４３は柄４１に固定される。柄４１の
後端部には指の通る大きさの穴５３が設けられている。
更に、柄４１の穴３５部の一方の外側面に長穴状の内面
中空で、この内面の長穴よりも少し小さい長穴を外面に
設けた当板５４を固定し、この中空部の中に、円板状の
板５５に扇形の穴５６を設け、この扇形の穴５６に添っ
てＬ字形の押さえ板５７を円板状の板５５と垂直に固定
して、この扇形の穴５６が柄４１の穴４６の全面を自在
に移動でき、円板状の板５５は中空部の中を外部に外れ
ることなく自在に回転、移動できるように取り付けられ
ている。また、柄４１の先端に斜面５８を設け、柄４１
の前部の凹段部４４の板と板の間に切刃５９を挟み、切
刃５９の先端が斜面５８のほぼ中央部から少し突出する
ようにとりつけられている。切刃５９の後部の固定穴６
０は柄４１の凹段部４４の中に有る長穴６１をガイドと
して上下に移動でき、切刃５９の前部の上面は当ピン６
２に当接し、長穴６１及び固定穴６０を通してボルト６
３が挿着され、ナット６４で締め付けられているため、
切刃５９の刃先先端は長穴６１の固定する位置により出
し入れ自在に必要量を突出させて固定できる。柄４１の
先端の斜面５８を挟むように柄４１の両外側面に薄板状
の押さえバネ６５が圧接し取り付けられ、押さえバネ６
５の先端面は斜面５８と平行に所用量突出している。こ
のように構成されているので、第一実施例及び第二実施
例において、切刃３、２３の刃先を穴６及び溝２６の勾
配面５、２５より剥離しようとするケーブルの被覆部の
厚さに合わせて突出固定し、ケーブルを手で保持し、穴
６又は溝２６に通して、剥離しようとする長さの位置に
切刃３、２３の刃先を合わせ柄１、２１をケーブルと直
角にして引けば切刃３、２３の刃先は被覆部を切り込
み、更に柄１、２１の後端の穴１３、３３に指を通し柄
１、２１を廻せば被覆部の全周に輪切り状の切り込みが
入れられる。このとき、柄１、２１をケーブルに対して
切刃３、２３の有る方向へ廻せば、ケーブルは穴６又は
溝２６の切刃３、２３の有る方の摩擦抵抗が大きく、勾
配面に沿って食い込み勝手に移動し柄１、２１の引く力
が小さくても容易に、かつ精確に切り込みが入れられ
る。穴６又は溝２６よりケーブルを外し、ケーブルの切
り込み部を屈曲させながら剥離部を引けば筒状に被覆が
引き抜かれ剥離できる。第三実施例においては、ケーブ
ルの被覆部に輪切り状の切り込みを入れる方法は前記第
一実施例の場合とほぼ同じで、ケーブルを円板状の板５
５の穴５６及び柄４１の穴４６を通して、剥離しようと
する長さの位置に切刃４３の刃先を合わせ、ケーブルを
押さえ板５７のＬ字形内側に沿わせて手で保持し、柄４
１をケーブルと直角にして引けば切刃４３の刃先は被覆
部を切り込み、更に柄４１の後端の穴５３に指を通し柄
４１を廻せば被覆部の全周に輪切り状の切り込みが入れ
られる。このとき、ケーブルは押さえ板５７で保持され
るため、柄４１と直角で、かつ横づれすることがなく、
輪切り状の切り込みが螺旋状にねじれて切れることがな
くなる。更に、柄４１の先端に取付けた切刃５９の刃先
突出量をケーブルの被覆部の厚さに合わせて突出固定
し、切刃５９の刃先先端を前記輪切り状の切り込み部に
合わせ、柄４１先端の両側面に取り付けた押さえバネ６
４で挟んで、斜面５８を被覆部に押し当ててケーブルの
先端方向に引けば被覆部に縦割りの切り込みを入れるこ
とができる。ここで、ケーブルの輪切り状の切り込みを
屈曲させ、縦割りの切り込みを剥ぎ取れば被覆を簡単に
剥離することができる。この発明は上記実施例により説
明したように、ケーブルの被覆部に輪切り状の切り込
み、及び縦割りの切り込みを迅速かつ精確に入れること
ができ、奇麗でかつ容易にケーブルの被覆を剥離するこ
とができる。The present invention relates to a cable stripper for bundling a plurality of covered electric wires and peeling the covering part of the cable, the outside of which is further covered with plastic, rubber or the like, with a cutting blade. When stripping the cable sheath, make a ring-shaped cut in the sheath of the cable at the position of the length to be stripped and pull out the tubular sheath, or separate the cable sheath from this slit separately from the slit. It is a general method to make a vertical cut in the covering portion with another blade up to the tip and peel off the covering. The present invention is to provide a cable stripper in which a loop-shaped cut is made in a coating portion of a cable, the cut is made extremely quickly, accurately and easily, and can be neatly peeled off without scratching the internal electric wire. . The present invention will be described based on the embodiments shown in the drawings. 1 to 3 show the first embodiment, in which a handle 1 is formed by stacking two elongated plates and fixing them with a rivet 2. In order to accommodate the thin cutting blade 3 inside one of the two plates in the front part of the handle 1, a concave step portion 4 slightly thicker than the plate thickness of the cutting blade 3 is provided. Since a loop-shaped cut is made in the sheath of the cable in 4,
A narrow fan-shaped hole 6 having an inclined surface 5 opposed to an acute angle is provided, and the cutting blade 3 is attached so that the cutting edge slightly projects along one surface of the inclined surface 5. The fixing hole 7 in the front part of the cutting blade 3 can be moved back and forth using the elongated hole 8 in the concave step part 4 of the handle 1 as a guide, and the rear end 9 of the cutting blade 3 is formed in the concave step part 4.
Abutting against the contact part 10 of the
The cutting edge 3 is parallel to the inclined surface 5 and can be projected and retracted in a necessary amount so that it can be freely taken in and out. A bolt 11 is inserted through the elongated hole 8 of the handle 1 and the fixing hole 7 of the cutting blade 3, and the cutting blade 3 is fixed by the nut 12.
Is fixed to handle 1. The rear end of the handle 1 is provided with a hole 13 that is large enough for a finger to pass through. FIG. 4 and FIG. 5 show a second embodiment, in order to make a circular cut-shaped cut in the covering portion of the cable, a sloped surface facing at an acute angle in the concave step portion 24 at the front of the handle 21. Providing a groove 26 having 25,
The cutting edge 23 is attached so that the cutting edge can be freely inserted and withdrawn along the one surface of the sloped surface 25 in parallel with the surface. A hole 33 having a size through which a finger can pass is provided at the rear end of the handle 21. 6 to 9 show the third embodiment, in which a cable retainer is added to the side surface of the hole 6 of the first embodiment, and the cable covering portion is vertically divided at the front end of the handle 1. It is equipped with an additional cutting blade for making a cut. The handle 41 is formed by stacking two long and narrow plates and fixing them with rivets 42. Handle 41
The front part of the two plates has a thin blade 43 on the inside of one of the two plates.
In order to accommodate the cut edge 43, a concave step portion 44 slightly thicker than the plate thickness of the cutting blade 43 is provided, and in order to make a circular cut-shaped cut in the covering portion of the cable in the concave step portion 44, a sloped surface facing an acute angle is formed. A narrow fan-shaped hole 46 having 45 is provided, and the cutting edge 4 is formed so that the cutting edge projects a little along one surface of the sloped surface 45.
3 is attached. Fixing hole 47 in front of cutting blade 43
Can be moved back and forth using the elongated hole 48 in the recessed step portion 44 of the handle 41 as a guide, the rear end portion 49 of the cutting blade 43 abuts against the contact portion 50 of the recessed step portion 44, and the contact portion 50 is long. Since the cutting edge 43 is parallel to the hole 48, the cutting edge 43 is parallel to the sloped surface 45 and can be freely retracted and protruded by a necessary amount. A bolt 51 is inserted through a long hole 48 of the handle 41 and a fixing hole 47 of the cutting blade 43, and the cutting blade 43 is fixed to the handle 41 by a nut 52. At the rear end of the handle 41, a hole 53 having a size through which a finger can pass is provided.
Further, a holding plate 54 having an elongated hollow inner surface hollow on one outer surface of the hole 35 of the handle 41 and having an elongated hole slightly smaller than the elongated inner surface on the outer surface is fixed. , A disc-shaped plate 55 is provided with a fan-shaped hole 56, and an L-shaped pressing plate 57 is vertically fixed to the disc-shaped plate 55 along the fan-shaped hole 56. The entire surface of the hole 46 of the handle 41 can be freely moved, and the disk-shaped plate 55 is attached so that it can be freely rotated and moved in the hollow portion without being removed to the outside. In addition, a slope 58 is provided at the tip of the handle 41 so that the handle 41
A cutting edge 59 is sandwiched between the plates of the concave stepped portion 44 at the front of the cutting edge 59, and the tip of the cutting edge 59 is attached so as to slightly project from the substantially central portion of the inclined surface 58. Fixing hole 6 at the rear of cutting blade 59
0 can be moved up and down by using the long hole 61 in the concave step portion 44 of the handle 41 as a guide, and the upper surface of the front portion of the cutting edge 59 is the pin 6
2 and contact the bolt 6 through the long hole 61 and the fixing hole 60.
3 is inserted and tightened with the nut 64,
The tip end of the cutting edge 59 can be fixed by projecting a necessary amount so that it can be freely taken in and out depending on the position where the long hole 61 is fixed. A thin plate-shaped pressing spring 65 is press-fitted and attached to both outer side surfaces of the handle 41 so as to sandwich the inclined surface 58 of the tip of the handle 41.
The tip surface of 5 projects a certain amount in parallel with the inclined surface 58. Since it is configured in this way, in the first and second embodiments, the thickness of the coating portion of the cable which is to be peeled off the cutting edges of the cutting blades 3 and 23 from the sloped surfaces 5 and 25 of the hole 6 and the groove 26. The cable is held by hand, the cable is passed through the hole 6 or the groove 26, and the cutting edges of the cutting blades 3 and 23 are aligned with the position of the length to be peeled off. If the blade is pulled, the cutting edges of the cutting blades 3 and 23 cut into the covering portion, and if the fingers are passed through the holes 13 and 33 at the rear ends of the handles 1 and 21, and the handles 1 and 21 are turned, a circular slice shape is formed on the entire circumference of the covering portion. A cut is made. At this time, if the handles 1 and 21 are turned in the direction in which the cutting blades 3 and 23 are present with respect to the cable, the cable has a larger frictional resistance in the hole 6 or the groove 26 where the cutting blades 3 and 23 are present, and along the slope surface Even if the pulling force of the handles 1 and 21 is small, it is possible to easily and accurately make a cut. If the cable is removed from the hole 6 or the groove 26 and the peeling portion is pulled while bending the cut portion of the cable, the coating can be pulled out in a tubular shape and peeled. In the third embodiment, the method of making a circular cut in the coating portion of the cable is almost the same as in the case of the first embodiment, and the cable is a disc-shaped plate 5.
5 through the hole 56 of the handle 41 and the hole 46 of the handle 41, align the blade edge of the cutting blade 43 with the position of the length to be peeled off, hold the cable by hand along the L-shaped inside of the pressing plate 57, and move the handle 4
If 1 is pulled at a right angle to the cable, the cutting edge of the cutting blade 43 cuts the covering portion, and if a finger is put through the hole 53 at the rear end of the handle 41 and the handle 41 is turned, a round cut-shaped notch is formed on the entire circumference of the covering portion. To be At this time, since the cable is held by the pressing plate 57, the cable is at a right angle to the handle 41 and is not laterally displaced.
The sliced cut does not twist and twist in a spiral shape. Furthermore, the blade tip projection amount of the cutting blade 59 attached to the tip of the handle 41 is projected and fixed in accordance with the thickness of the coating portion of the cable, and the blade tip tip of the cutting blade 59 is aligned with the circular cut portion, and the handle 41 tip. Spring 6 attached to both sides of the
It is possible to make vertical cuts in the covering portion by sandwiching them with No. 4 and pressing the inclined surface 58 against the covering portion and pulling it toward the tip of the cable. Here, the coating can be easily peeled off by bending the loop-shaped cut of the cable and peeling off the vertical cut. As described in the above embodiments, the present invention can quickly and accurately make a circular cut and a vertical cut in the coating portion of the cable, and can cleanly and easily peel off the coating of the cable. it can.
【図面の簡単な説明】[Brief description of drawings]
第１図ないし第３図は第一実施例を示すもので、第１図
は側面図、第２図は平面図、第３図は第２図のＡ−Ａ線
矢視断面図である。第４図および第５図は第二実施例を
示すもので、第４図は側面図、第５図は平面図である。
第６図ないし第９図は第三実施例を示すもので、第６図
は側面図、第７図は平面図、第８図は第７図のＢ−Ｂ線
矢視断面図、第９図は正面図である。 １、２１、４１：柄 ３、２３、４３：切刃 ５、２５、４５：勾配面 ６、４６：穴 ２６：溝 １３、３３、５３：穴1 to 3 show the first embodiment, FIG. 1 is a side view, FIG. 2 is a plan view, and FIG. 3 is a sectional view taken along the line AA of FIG. 4 and 5 show the second embodiment, FIG. 4 is a side view, and FIG. 5 is a plan view.
6 to 9 show a third embodiment, FIG. 6 is a side view, FIG. 7 is a plan view, FIG. 8 is a sectional view taken along the line BB of FIG. 7, and FIG. The figure is a front view. 1, 21, 41: Handle 3, 23, 43: Cutting edge 5, 25, 45: Gradient surface 6, 46: Hole 26: Groove 13, 33, 53: Hole