JP2015008769A - Cutting tool - Google Patents

Cutting tool Download PDF

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JP2015008769A
JP2015008769A JP2013134471A JP2013134471A JP2015008769A JP 2015008769 A JP2015008769 A JP 2015008769A JP 2013134471 A JP2013134471 A JP 2013134471A JP 2013134471 A JP2013134471 A JP 2013134471A JP 2015008769 A JP2015008769 A JP 2015008769A
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cutting
holding
cutting tool
sandwiching
cutting blade
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JP2015008769A5 (en
JP5856586B2 (en
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貴裕 矢田
Takahiro Yada
貴裕 矢田
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Fujiya KK
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Fujiya KK
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Priority to JP2013134471A priority Critical patent/JP5856586B2/en
Priority to TW102129664A priority patent/TWI616285B/en
Priority to PCT/JP2013/084852 priority patent/WO2014207962A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B29/00—Guards or sheaths or guides for hand cutting tools; Arrangements for guiding hand cutting tools
    • B26B29/04—Guards or sheaths for scissors, e.g. combined with manicuring appliances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B17/00—Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Scissors And Nippers (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a cutting tool capable of surely holding a cutting piece, regardless of the size and the length of the cutting piece.SOLUTION: The cutting tool can cut a cutting object by making cutting blades 5a disjunct, by opening-closing a pair of gripping parts 4 around a pivoting axis 3a, by oppositely arranging the cutting blades 5a having the predetermined length outside the pivoting part 3 for pivoting the pair of gripping parts 4, and comprises a pair of plate-like holding parts 8 erected in a position along the respective cutting blades 5a and having mutually opposed holding surfaces and a support part 9 for movably supporting the respective holding parts 8 in the direction crossing the extension direction of the cutting blades.

Description

本発明は、例えばニッパやペンチのような、電子機器の微細なリード線のような細い線又は結束線などの面状体の切断対象物を切断し、切断された切断片の飛散を防止する機能を有する切断具に関する。   The present invention cuts an object to be cut of a planar body such as a fine wire such as a fine lead wire or a binding wire of an electronic device such as nippers or pliers, and prevents the cut pieces from being scattered. The present invention relates to a cutting tool having a function.

従来から微細なリード線や結束線などの切断対象物を切断する道具として広く用いられているニッパにおいて、切断と同時に発生する切断片の落下や飛散を防止するための機構が種々知られている。例えば、特許文献１（特開２００５−２６１５７３号公報）に記載のニッパは、筒体の開口を切断刃の背後に位置して装着することにより、切断片を筒体内に収納し飛散を防止しようとするものである。   Various types of mechanisms have been known for preventing the falling and scattering of cut pieces that occur simultaneously with cutting in a nipper that has been widely used as a tool for cutting objects to be cut such as fine lead wires and binding wires. . For example, in the nipper described in Patent Document 1 (Japanese Patent Laid-Open No. 2005-261573), by mounting the opening of the cylindrical body behind the cutting blade, the cutting piece is stored in the cylindrical body to prevent scattering. It is what.

また、切断片の飛散防止の手段として、切断と同時に切断片を挟持して保持する機構を有するニッパが特許文献２又は特許文献３に開示されている。特許文献２（特開平８−１１７４５７号公報）は、相対向する刃部の傾斜面に切断線を挟持することにより切断片の飛散を防止する可撓性を持ち挟持手段を設けたニッパが開示されている。   Further, Patent Document 2 or Patent Document 3 discloses a nipper having a mechanism for holding and holding a cut piece at the same time as cutting as means for preventing scattering of the cut piece. Patent Document 2 (Japanese Patent Application Laid-Open No. 8-117457) discloses a nipper provided with a holding means having flexibility to prevent scattering of a cut piece by holding a cutting line between inclined surfaces of opposing blade parts. Has been.

特許文献３（特開２００５−６６０７８号公報）には、切断刃に連続して設けられた凸部からなる保持部を備え、切断刃同士を噛み合わせたときに刃先をずらして構成することによって切断片を保持部で挟持するニッパが開示されている。   Patent Document 3 (Japanese Patent Application Laid-Open No. 2005-66078) includes a holding portion formed of a convex portion provided continuously to a cutting blade, and is configured by shifting the blade edge when the cutting blades are engaged with each other. A nipper that holds a cut piece between holding parts is disclosed.

特開２００５−２６１５７３号公報JP 2005-261573 A 特開平８−１１７４５７号公報JP-A-8-117457 特開２００５−６６０７８号公報JP 2005-66078 A

しかし、特許文献１のニッパは、爪切りなどに用いられ切断片が微細な場合は、切断により発生した切断片が筒体内に収納することで飛散を防止することができるが、切断片が長い場合筒体が切断片と干渉し、また、ニッパの使用角度によっては筒体が垂下して使い勝手が悪くなるという問題があった。   However, when the nipper of Patent Document 1 is used for nail cutting or the like and the cut piece is fine, the cut piece generated by cutting can be prevented from being scattered by being stored in the cylinder, but the cut piece is long. In some cases, the cylinder interferes with the cut piece, and depending on the angle of use of the nippers, there is a problem that the cylinder hangs down and becomes unusable.

特許文献２のニッパは、切断刃の傾斜面に挟持手段が設けられており、挟持手段が弾性変形することで切断片を保持するものであるため、挟持手段が大きくなるという問題があった。これにより、切断刃の切刃部分が視認しにくく、微細な作業が困難になる。また、挟持手段は切刃の刃縁から外方向へ後退して設けられているため、挟持手段間の隙間よりも細いリード線などは挟持することができないという問題があった。   The nipper of Patent Document 2 has a problem that the holding means is enlarged because the holding means is provided on the inclined surface of the cutting blade, and the holding means holds the cut piece by elastic deformation. Thereby, it is difficult to visually recognize the cutting blade portion of the cutting blade, and fine work becomes difficult. Further, since the clamping means is provided so as to recede outward from the edge of the cutting blade, there is a problem that a lead wire that is thinner than the gap between the clamping means cannot be clamped.

特許文献３のニッパは、切断刃に連続して設けられた凸部からなる保持部により切断片を挟持するものであり、保持部の隙間寸法に適合する切断片しか保持することができず汎用性に乏しいものであった。また、その形状からプライヤータイプの傾斜面の縁辺に切断刃が設けられ、切断刃同士を噛み合わせることにより切断するタイプのものには、適用することが困難であった。   The nipper of Patent Document 3 is for holding a cut piece by a holding portion formed of a convex portion provided continuously to the cutting blade, and can hold only a cut piece that fits the gap size of the holding portion. It was poor in nature. Further, it has been difficult to apply to a type in which a cutting blade is provided on the edge of the inclined surface of the pliers type due to its shape and cut by engaging the cutting blades.

したがって、本発明が解決しようとする技術的課題は、切断片の大きさや長さに拘わらず、確実に切断片を保持することができる切断具を提供することである。   Therefore, the technical problem to be solved by the present invention is to provide a cutting tool that can reliably hold the cut piece regardless of the size or length of the cut piece.

本発明は、上記技術的課題を解決するために、以下の構成の切断具を提供する。   In order to solve the above technical problem, the present invention provides a cutting tool having the following configuration.

本発明の第１態様によれば、一対の把持部を枢着する枢着部の外に所定長さを有する切断刃が対向して配置され、前記把持部を枢着軸を中心として開閉することにより、前記切断刃が離接して切断対象物を切断可能な切断具において、
前記それぞれの切断刃に沿った位置に立設されて相対向する挟持面を備える板状の一対の挟持部と、
それぞれの前記挟持部を前記切断刃の延在方向に対して交差する向きに移動可能に支持する支持部とを備えることを特徴とする、切断具を提供する。 According to the first aspect of the present invention, the cutting blades having a predetermined length are arranged opposite to each other outside the pivoting portion that pivotally mounts the pair of gripping portions, and the gripping portion is opened and closed around the pivoting shaft. In the cutting tool capable of cutting the object to be cut by separating the cutting blade,
A pair of plate-shaped sandwiching portions each having a sandwiching surface that is erected at a position along each of the cutting blades;
A cutting tool comprising: a support portion that supports each of the holding portions so as to be movable in a direction intersecting with an extending direction of the cutting blade.

本発明の第２態様によれば、前記支持部は、前記挟持部の端部を支点として回転移動可能に支持することを特徴とする、第１態様の切断具を提供する。   According to a second aspect of the present invention, there is provided the cutting tool according to the first aspect, characterized in that the support portion supports the end portion of the clamping portion so as to be rotatable and movable.

本発明の第３態様によれば、前記挟持部及び支持部のそれぞれは、１枚の金属板を折り曲げることにより一体的に構成され、前記挟持部及び支持部間の折り曲げ線は、前記枢着軸に略平行になるように構成されていることを特徴とする、第２態様の切断具を提供する。   According to the third aspect of the present invention, each of the sandwiching portion and the support portion is integrally configured by bending a single metal plate, and the folding line between the sandwiching portion and the support portion is the pivot attachment. A cutting tool according to a second aspect is provided, which is configured to be substantially parallel to an axis.

本発明の第４態様によれば、前記挟持部及び支持部は挟持部材の一部を構成し、
前記挟持部材は、前記支持部に接続し前記枢着軸に直交する方向に伸びる取り付け部を前記枢着軸に固定することにより前記挟持部及び支持部を所定位置に配置することを特徴とする、第３態様の切断具を提供する。 According to the fourth aspect of the present invention, the sandwiching portion and the support portion constitute a part of the sandwiching member,
The clamping member is arranged at a predetermined position by fixing an attachment portion connected to the support portion and extending in a direction orthogonal to the pivot shaft to the pivot shaft. The cutting tool according to the third aspect is provided.

本発明によれば、板状の狭持部は切断刃に沿った位置に立設されているため、切断刃が噛み合ったとき、互いの挟持面が密着する。また、このとき支持部により、切断部は切断刃に対して交差する方向に移動可能に保持されているため、切断対象物の切断時に切断刃が閉じていく際に、挟持面に挟んだ状態となった後も、切断片はそのまま保持された状態を維持することができる。よって、狭持部を密着した状態としても切断刃による切断動作を阻害することはなく、操作性を良好とすることができる。したがって、切断片の大きさや長さに拘わらず、確実に切断片を保持することができる。   According to the present invention, since the plate-like sandwiching portion is erected at a position along the cutting blade, when the cutting blades are engaged with each other, the sandwiching surfaces are brought into close contact with each other. At this time, since the cutting part is held by the support part so as to be movable in a direction intersecting the cutting blade, when the cutting blade closes when the cutting object is cut, it is sandwiched between the holding surfaces. Even after that, the cut piece can be maintained in its held state. Therefore, even when the holding portion is in close contact, the cutting operation by the cutting blade is not hindered, and the operability can be improved. Therefore, the cut piece can be reliably held regardless of the size and length of the cut piece.

さらに、支持部が狭持部を切断刃に対して交差する方向に移動可能に支持することにより、狭持部を板状に構成することができ、刃先を隠蔽することなく、操作時において良好な視認性を確保することができる。   Furthermore, the support part supports the holding part so as to be movable in the direction intersecting the cutting blade, so that the holding part can be configured in a plate shape, and it is good during operation without concealing the blade edge. High visibility can be secured.

本発明の第３態様によれば、１枚の金属板を折り曲げて挟持部及び支持部を構成するため、簡単な構成で板バネのように狭持部の移動を実現しやすく、また、切断片を適度な狭持力で確実に保持することができる。   According to the third aspect of the present invention, since the sandwiching portion and the support portion are configured by bending a single metal plate, it is easy to realize the movement of the sandwiching portion like a leaf spring with a simple configuration, and cutting. The piece can be securely held with an appropriate holding force.

本発明の第４態様によれば、切断具と別部材で構成された挟持部材を切断具に取り付けることにより、狭持部が破損した場合なども取り換え自在とすることができる。また、取り付け位置を枢着軸にすることにより、１組の挟持部材を一度に取り付けすることができ、構成を簡単にすることができる。   According to the fourth aspect of the present invention, it is possible to replace the holding member constituted by a member separate from the cutting tool, by attaching the holding member to the cutting tool, even when the holding portion is damaged. Further, by setting the attachment position as the pivot shaft, one set of clamping members can be attached at a time, and the configuration can be simplified.

本発明の切断具の実施形態にかかるニッパの外観構成を示す斜視図である。It is a perspective view which shows the external appearance structure of the nipper concerning embodiment of the cutting tool of this invention. 図１のニッパの切断刃を開いた状態を示す斜視図である。It is a perspective view which shows the state which opened the cutting blade of the nipper of FIG. 図１のニッパの組立て分解斜視図である。It is an assembly exploded perspective view of the nipper of FIG. 図１のＡ−Ａ線における断面図である。It is sectional drawing in the AA of FIG. 図１のＢ−Ｂ線における断面図である。It is sectional drawing in the BB line of FIG. 図１のニッパの狭持部の移動方向を示す図である。It is a figure which shows the moving direction of the clamping part of the nipper of FIG. 図１のニッパに用いられる右側挟持部材の構成を示す斜視図である。It is a perspective view which shows the structure of the right side clamping member used for the nipper of FIG. 図１のニッパに用いられる左側挟持部材の構成を示す斜視図である。It is a perspective view which shows the structure of the left side clamping member used for the nipper of FIG. 図１のニッパが切断片を挟持している状態を示す部分拡大斜視図である。It is a partial expansion perspective view which shows the state in which the nipper of FIG. 1 has clamped the cutting piece. 本発明の切断具の実施形態にかかるニッパの変形例を示す部分拡大斜視図である。It is a partial expansion perspective view which shows the modification of the nipper concerning embodiment of the cutting tool of this invention.

以下、本発明の切断具の一実施形態に係るニッパについて、図面を参照しながら説明する。   Hereinafter, a nipper according to an embodiment of the cutting tool of the present invention will be described with reference to the drawings.

図１は、本発明の実施形態にかかるニッパの外観構成を示す斜視図である。図２は実施形態にかかるニッパの切断刃を開いた状態を示す斜視図である。本実施形態にかかるニッパ１は、左右一対のステー２ａ，２ｂを中間部分で枢着し、開閉自在に構成したものである。   FIG. 1 is a perspective view showing an external configuration of a nipper according to an embodiment of the present invention. FIG. 2 is a perspective view showing a state in which the cutting blade of the nipper according to the embodiment is opened. The nipper 1 according to the present embodiment is configured such that a pair of left and right stays 2a and 2b are pivotally attached at an intermediate portion so as to be freely opened and closed.

左右一対のステー２ａ，２ｂが枢着する枢着部３は、左右のステーを上下方向に組み合わせて枢着軸３ａにより回転自在に枢着したものである。枢着軸３ａは、図５に示すように、図示下側に位置するステー２ａに設けられた軸部３ｂを図示上側に位置するステー２ｂにはめこんで固定する。また、後述するように軸部３ｂには、挟持部材７ａ，７ｂを取り付けるためのネジ孔３ｃが設けられている。   The pivotally attached portion 3 to which the pair of left and right stays 2a and 2b pivots is a pivotally pivotable pivotal shaft 3a that combines the left and right stays in the vertical direction. As shown in FIG. 5, the pivot shaft 3 a is fixed by fitting a shaft portion 3 b provided on the stay 2 a located on the lower side in the drawing to the stay 2 b located on the upper side in the drawing. Further, as will be described later, the shaft portion 3b is provided with a screw hole 3c for attaching the clamping members 7a and 7b.

ステー２ａ，２ｂは棒状に構成されており、その端部にはそれぞれ把持部４と刃部５が設けられている。ステー２ａ，２ｂは、端部に設けられている刃部５から枢着部３までは少なくとも金属で構成されている。   The stays 2a and 2b are formed in a rod shape, and a grip portion 4 and a blade portion 5 are provided at the ends thereof. The stays 2a and 2b are made of at least a metal from the blade part 5 to the pivot part 3 provided at the end part.

把持部４は、ステンレス、樹脂などから構成されており、ステー２ａと一体又は別部材を固定することで構成される。また、把持部４には、滑り止め等の理由により、ゴムや樹脂などの滑り止めを設けてもよい。   The grip portion 4 is made of stainless steel, resin, or the like, and is configured by fixing the stay 2a integrally or separately. Further, the grip 4 may be provided with a non-slip material such as rubber or resin for reasons such as anti-slip.

刃部５は、ステー２ａ，２ｂの対向側面に構成された凹溝６に設けられており、左右のステー２ａ，２ｂの刃部５の噛み合わせ部分が切断刃５ａとなっている。刃部５は、図５に示す通り、ステー２ａ，２ｂの延在方向に対して傾斜して設けられている。   The blade portion 5 is provided in a concave groove 6 formed on the opposing side surfaces of the stays 2a and 2b, and the meshing portion of the blade portions 5 of the left and right stays 2a and 2b is a cutting blade 5a. As shown in FIG. 5, the blade portion 5 is provided to be inclined with respect to the extending direction of the stays 2 a and 2 b.

切断刃５ａは、ステー２ａ，２ｂの延在方向に所定の長さ寸法を有して設けられており、本実施形態では刃渡り約１．５ｃｍに構成されている。本実施形態では切断刃５ａは直線状に構成されているが、これに限定されるものではなく、曲線で構成されていてもよい。   The cutting blade 5a is provided with a predetermined length dimension in the extending direction of the stays 2a and 2b, and is configured to have a blade span of about 1.5 cm in this embodiment. In the present embodiment, the cutting blade 5a is configured in a straight line, but is not limited thereto, and may be configured in a curved line.

切断刃５ａの上方には、切断刃５ａの延在方向に沿って伸びる金属板で構成された狭持部８が立設されている。狭持部８は相対向して配置され，互いの対向面を挟持面とするものである。また、狭持部８の下端８ａは切断刃５ａに近接して設けられているが、わずかな隙間を形成するように配置されている（図４参照）。   Above the cutting blade 5a, a holding portion 8 made of a metal plate extending along the extending direction of the cutting blade 5a is erected. The sandwiching portions 8 are arranged so as to face each other, and the opposing surfaces are sandwiched surfaces. Moreover, although the lower end 8a of the clamping part 8 is provided close to the cutting blade 5a, it is arrange | positioned so that a slight clearance may be formed (refer FIG. 4).

狭持部８は、支持部９により、切断刃５ａの延在方向に対して交差する方向に移動可能に支持されている。支持部９は、狭持部８と一体的に構成され、狭持部に対して略９０度の角度で折り曲げられた薄手の金属板で構成されており、狭持部８と支持部９との間の折り曲げ線９ａが枢着軸３ａと略平行になるように構成される。   The holding portion 8 is supported by the support portion 9 so as to be movable in a direction intersecting with the extending direction of the cutting blade 5a. The support portion 9 is configured integrally with the holding portion 8 and is formed of a thin metal plate bent at an angle of about 90 degrees with respect to the holding portion. The fold line 9a is configured to be substantially parallel to the pivot shaft 3a.

上記のように構成された狭持部８と支持部９は板バネのように作用し、折り曲げ線９ａを中心として図６の矢印９０に示すように支持部８が切断刃５ａの延在方向に対して交差する方向に回転移動可能である。   The sandwiching portion 8 and the support portion 9 configured as described above act like a leaf spring, and the support portion 8 extends in the extending direction of the cutting blade 5a as shown by an arrow 90 in FIG. Can be rotated in a direction intersecting with.

図３に示すように、本実施形態において狭持部８と支持部９は、ニッパ１に脱着可能に取り付けられる挟持部材７ａ，７ｂの一部として構成されている。挟持部材７ａ，７ｂは、図７及び図８にそれぞれ示すように、１枚の金属板を折り曲げることにより構成されている。   As shown in FIG. 3, in the present embodiment, the sandwiching portion 8 and the support portion 9 are configured as a part of sandwiching members 7 a and 7 b that are detachably attached to the nipper 1. As shown in FIGS. 7 and 8, the sandwiching members 7 a and 7 b are configured by bending a single metal plate.

左右の挟持部材７ａ，７ｂは、図７及び図８にそれぞれ示すように、１枚の金属板を折り曲げて狭持部８と支持部９を含む各部位を構成する。挟持部材７ａ，７ｂは、上記の通り、狭持部８と支持部９のほか、取り付け部１０、ずれ防止ストッパ１１を備える。左右の挟持部材７ａ，７ｂを構成する金属板は、後述する折り曲げ線９ａにおけるバネ性を確保できるものであれば良く、厚み約０．２から１ｍｍ程度のステンレス板、鋼板、アルミニウム板などが好適に用いられる。本実施形態では０．５ｍｍのステンレス板が用いられている。   As shown in FIGS. 7 and 8, the left and right holding members 7 a and 7 b constitute respective parts including a holding portion 8 and a support portion 9 by bending a single metal plate. As described above, the holding members 7a and 7b include the holding portion 8 and the support portion 9, as well as the attachment portion 10 and the shift prevention stopper 11. The metal plates constituting the left and right clamping members 7a and 7b may be any metal plate that can ensure the spring property at the bending line 9a described later, and a stainless steel plate, steel plate, aluminum plate having a thickness of about 0.2 to 1 mm is preferable. Used for. In the present embodiment, a 0.5 mm stainless plate is used.

狭持部８は図示するように、略三角形状に構成された平板状であり、その下端８ａは、切断刃５ａの傾斜角度に沿うように傾斜辺となっている。   As shown in the figure, the sandwiching portion 8 is a flat plate having a substantially triangular shape, and a lower end 8a thereof is an inclined side along the inclination angle of the cutting blade 5a.

支持部９は、狭持部８に対して垂直な主面を有する略台形形状の部材である。支持部９は枢着部３に近接するようにニッパの凹溝６内に収納される。   The support portion 9 is a substantially trapezoidal member having a main surface perpendicular to the holding portion 8. The support portion 9 is accommodated in the concave groove 6 of the nipper so as to be close to the pivot attachment portion 3.

取り付け部１０は、支持部９に対して垂直方向に折り曲げられた状態に設けられており、ニッパの枢着部３の上面に積層するように構成されている。取り付け部１０には、ビス挿入孔１０ａが設けられている。   The attachment portion 10 is provided in a state bent in the vertical direction with respect to the support portion 9 and is configured to be laminated on the upper surface of the pivotal attachment portion 3 of the nipper. The mounting portion 10 is provided with a screw insertion hole 10a.

ずれ防止ストッパ１１は、左右の挟持部材７ａ，７ｂがズレないようにするためのものであり、把持部４のネック部分４ａの側面に係合可能な係合壁１１ａを有している。   The slip prevention stopper 11 is for preventing the left and right clamping members 7a and 7b from shifting, and has an engagement wall 11a that can be engaged with the side surface of the neck portion 4a of the grip portion 4.

それぞれの挟持部材７ａ，７ｂは、図３に示すように、左側挟持部材７ｂの上に右側挟持部材７ａを積層し、それぞれのビス挿入孔１０ａにビス１２を挿入して枢着軸３ａに設けられたネジ孔３ｃにビス止めされる。   As shown in FIG. 3, each clamping member 7a, 7b is provided on the pivot shaft 3a by laminating the right clamping member 7a on the left clamping member 7b and inserting screws 12 into the respective screw insertion holes 10a. The screw hole 3c is screwed.

ニッパに取り付けられた挟持部材７ａ，７ｂは、ずれ防止ストッパ１１の係合壁１１ａが把持部４のネック部分４ａに係合し、支持部９及び狭持部８が刃部５の凹溝６内に収容される。狭持部８は、切断刃５ａに沿って伸びるように立設された状態に配置される。   The clamping members 7 a and 7 b attached to the nippers have the engaging wall 11 a of the slip prevention stopper 11 engaged with the neck portion 4 a of the grip portion 4, and the support portion 9 and the holding portion 8 are the concave grooves 6 of the blade portion 5. Housed inside. The sandwiching portion 8 is arranged in a standing state so as to extend along the cutting blade 5a.

この状態でニッパの把持部４を開閉操作すると、ずれ防止ストッパ１１によって挟持部材７ａ，７ｂとステー２ａ，２ｂは、枢着軸３ａを中心として一体的に動作する。すなわち、ステー２ａ，２ｂの開閉動作に伴う刃部５の開閉時においても、狭持部８が切断刃５ａに沿った状態を維持することができる。   When the gripper 4 of the nipper is opened and closed in this state, the holding members 7a and 7b and the stays 2a and 2b are integrally operated around the pivot shaft 3a by the slip prevention stopper 11. That is, even when the blade portion 5 is opened and closed in accordance with the opening and closing operation of the stays 2a and 2b, the holding portion 8 can be maintained along the cutting blade 5a.

なお、狭持部８を切断刃５ａの上方に完全に固定する必要はなく、例えば、大径の切断片を挟持可能とするために狭持部８に若干の遊びを許容することもできる。例えば、ずれ防止可能ストッパ１１をネック４ａに対して遊びをもたせ、ビス１２の締め付け強度を調整することで狭持部８に遊びをもたせることができる。   Note that it is not necessary to completely fix the sandwiching portion 8 above the cutting blade 5a. For example, a slight play can be allowed in the sandwiching portion 8 so that a large-diameter cutting piece can be sandwiched. For example, it is possible to allow the holding portion 8 to have play by adjusting the tightening strength of the screw 12 by providing the stopper 11 capable of preventing slippage to the neck 4a.

このように挟持部材７ａ，７ｂを枢着軸３ａにビス止めすることにより取り付けることで、挟持部材７ａ，７ｂを簡単に脱着させることができ、かつ、適切な位置に支持部９及び狭持部８を配置することができる。したがって、挟持部材７ａ，７ｂが使用により経年劣化した場合などでも、挟持部材７ａ，７ｂを交換することで支持部９及び狭持部８を適切な位置に配置させることができる。   By attaching the clamping members 7a and 7b to the pivot shaft 3a with screws as described above, the clamping members 7a and 7b can be easily detached, and the support portion 9 and the holding portion are placed at appropriate positions. 8 can be arranged. Therefore, even when the clamping members 7a and 7b have deteriorated over time, the support part 9 and the clamping part 8 can be arranged at appropriate positions by exchanging the clamping members 7a and 7b.

図９は、本実施形態にかかるニッパが切断片を挟持している状態を示す部分拡大斜視図である。本実施形態にかかるニッパにより切断対象物を切断するには、把持部４を操作して刃部５の切断刃５ａの間に切断対象物を配置し、刃部５を閉じることにより切断刃により切断対象物を切断する。   FIG. 9 is a partially enlarged perspective view showing a state in which the nipper according to the present embodiment holds a cut piece. In order to cut the cutting object with the nipper according to the present embodiment, the gripping unit 4 is operated to place the cutting object between the cutting blades 5a of the blade part 5, and the cutting part 5 is closed by the cutting blade. Cut the object to be cut.

このとき、刃部５が噛み合う前に、狭持部８が切断対象物に当接する。さらに刃部５を閉じていくと、折り曲げ線９ａを中心として狭持部８が切断刃５ａの延在方向に対して交差する方向に移動し、刃部５の動作及び切断対象物の挟持を維持する。その状態で刃部５によって切断対象物が切断された後は、狭持部８によって切断片１００が挟持された状態となっており、切断片１００の飛散及び脱落を防止することができる。   At this time, before the blade part 5 meshes, the holding part 8 contacts the cutting object. When the blade portion 5 is further closed, the sandwiching portion 8 moves in a direction intersecting the extending direction of the cutting blade 5a with the folding line 9a as the center, and the operation of the blade portion 5 and the clamping of the object to be cut are performed. maintain. After the cutting object is cut by the blade part 5 in this state, the cutting piece 100 is sandwiched by the sandwiching part 8, so that the cutting piece 100 can be prevented from scattering and dropping off.

図１０は、変形例にかかるニッパの構成を示す図である。変形例にかかるニッパは、Ｌ字形に折り曲げて構成された狭持部８及び支持部９を採用し、支持部９を凹溝６の枢着軸側の側壁６ａに直接固定させたものである。このように構成することにより、狭持部を切断刃に沿った位置に立設させ、かつ、切断刃に対して交差する方向に移動可能に保持させることができる。   FIG. 10 is a diagram illustrating a configuration of a nipper according to a modification. The nipper according to the modification employs a sandwiching portion 8 and a support portion 9 that are bent into an L shape, and the support portion 9 is directly fixed to the side wall 6a of the recessed groove 6 on the pivot shaft side. . By comprising in this way, a holding | grip part can be erected in the position along a cutting blade, and can be hold | maintained so that a movement in the direction which cross | intersects with a cutting blade is possible.

以上説明したように、本実施形態にかかるニッパによれば、板状の狭持部は切断刃に沿った位置に立設されているため、切断刃が噛み合ったとき、互いの挟持面が密着する。また、このとき支持部により、切断部は切断刃に対して交差する方向に移動可能に保持されているため、切断対象物の切断時に切断刃が閉じていく際に、挟持面に挟んだ状態となった後も、切断片はそのまま保持された状態を維持することができる。よって、狭持部を密着した状態としても切断刃による切断動作を阻害することはなく、操作性を良好とすることができる。また、支持部が狭持部を切断刃に対して交差する方向に移動可能に支持することにより、狭持部を板状に構成することができ、刃先を隠蔽することなく、操作時において良好な視認性を確保することができる。   As described above, according to the nipper according to the present embodiment, the plate-like sandwiching portion is erected at a position along the cutting blade, so that when the cutting blade is engaged, the holding surfaces of each other are in close contact with each other. To do. At this time, since the cutting part is held by the support part so as to be movable in a direction intersecting the cutting blade, when the cutting blade closes when the cutting object is cut, it is sandwiched between the holding surfaces. Even after that, the cut piece can be maintained in its held state. Therefore, even when the holding portion is in close contact, the cutting operation by the cutting blade is not hindered, and the operability can be improved. In addition, the support part supports the holding part so as to be movable in a direction intersecting the cutting blade, so that the holding part can be configured in a plate shape, and it is good at the time of operation without concealing the blade edge. High visibility can be secured.

なお、本発明は上記実施形態に限定されるものではなく、その他種々の態様で実施可能である。上記実施形態では、切断具の例としてニッパを例にとって説明したが、ペンチ、ラジオペンチ、はさみなどの一対の把持部が枢着し、把持部を操作することで切断刃が開閉する切断具に広く適用可能である。   In addition, this invention is not limited to the said embodiment, It can implement in another various aspect. In the above embodiment, a nipper has been described as an example of a cutting tool. However, a pair of gripping parts such as pliers, radio pliers, and scissors is pivotally attached, and a cutting tool that opens and closes by operating the gripping part is used. Widely applicable.

狭持部及び支持部の構成は上記実施形態及び変形例の構成の他、狭持部を狭持部を切断刃に沿った位置に立設させ、かつ、切断刃に対して交差する方向に移動可能に保持させることができるものであれば特にその構成は問わない。例えば、支持部としては、狭持部の先端側を回転軸として移動可能とする構成を採用してもよい。   In addition to the configurations of the above-described embodiment and the modified example, the sandwiching portion and the support portion are configured so that the sandwiching portion is erected at a position along the cutting blade and intersects the cutting blade. The structure is not particularly limited as long as it can be held movably. For example, the support portion may be configured to be movable with the front end side of the holding portion as a rotation axis.

１ ニッパ
２ａ，２ｂ ステー
３ 枢着部
３ａ 枢着軸
４ 把持部
５ 刃部
５ａ 切断刃
６ 凹溝
７ａ，７ｂ 挟持部材
８ 狭持部
９ 支持部
１０ 取り付け部
１１ ずれ防止ストッパ


DESCRIPTION OF SYMBOLS 1 Nipper 2a, 2b Stay 3 Pivoting part 3a Pivoting shaft 4 Gripping part 5 Blade part 5a Cutting blade 6 Groove 7a, 7b Holding member 8 Nipping part 9 Supporting part 10 Attachment part 11 Slip prevention stopper


Claims (4)

一対の把持部を枢着する枢着部の外に所定長さを有する切断刃が対向して配置され、前記把持部を枢着軸を中心として開閉することにより、前記切断刃が離接して切断対象物を切断可能な切断具において、
前記それぞれの切断刃に沿った位置に立設されて相対向する挟持面を備える板状の一対の挟持部と、
それぞれの前記挟持部を前記切断刃の延在方向に対して交差する向きに移動可能に支持する支持部とを備えることを特徴とする、切断具。 A cutting blade having a predetermined length is disposed opposite to a pivoting portion that pivotally mounts a pair of gripping portions, and the cutting blade is separated from each other by opening and closing the gripping portion about the pivoting shaft. In a cutting tool capable of cutting an object to be cut,
A pair of plate-shaped sandwiching portions each having a sandwiching surface that is erected at a position along each of the cutting blades;
A cutting tool comprising: a support portion that supports each of the holding portions so as to be movable in a direction intersecting with an extending direction of the cutting blade. 前記支持部は、前記挟持部の端部を支点として回転移動可能に支持することを特徴とする、請求項１に記載の切断具。   2. The cutting tool according to claim 1, wherein the support portion supports the end portion of the sandwiching portion so as to be rotatable and movable with the end portion of the holding portion as a fulcrum. 前記挟持部及び支持部のそれぞれは、１枚の金属板を折り曲げることにより一体的に構成され、前記挟持部及び支持部間の折り曲げ線は、前記枢着軸に略平行になるように構成されていることを特徴とする、請求項２に記載の切断具。   Each of the sandwiching portion and the support portion is integrally configured by bending a single metal plate, and a folding line between the sandwiching portion and the support portion is configured to be substantially parallel to the pivot shaft. The cutting tool according to claim 2, wherein the cutting tool is provided. 前記挟持部及び支持部は挟持部材の一部を構成し、
前記挟持部材は、前記支持部に接続し前記枢着軸に直交する方向に伸びる取り付け部を前記枢着軸に固定することにより前記挟持部及び支持部を所定位置に配置することを特徴とする、請求項３に記載の切断具。 The clamping part and the support part constitute a part of the clamping member,
The clamping member is arranged at a predetermined position by fixing an attachment portion connected to the support portion and extending in a direction orthogonal to the pivot shaft to the pivot shaft. The cutting tool according to claim 3.
JP2013134471A 2013-06-27 2013-06-27 Cutting tool Active JP5856586B2 (en)

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US2938266A (en) * 1959-04-30 1960-05-31 Mathias Klein & Sons Oblique cutting plier
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