JP5900997B1 - wrench - Google Patents
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- JP5900997B1 JP5900997B1 JP2015058831A JP2015058831A JP5900997B1 JP 5900997 B1 JP5900997 B1 JP 5900997B1 JP 2015058831 A JP2015058831 A JP 2015058831A JP 2015058831 A JP2015058831 A JP 2015058831A JP 5900997 B1 JP5900997 B1 JP 5900997B1
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Abstract
【課題】種々のサイズの六角ナットの頭部を挟持でき、しかも回転操作性が良好なレンチを提供する。【解決手段】レンチ１は、対向する一方の面２Ａと他方の面とを貫通する貫通孔２Ｃを有する環状部材２を有している。保持部材６は、その一端６Ａでボルトの頭部を保持するものである。全ての保持部材６の一端６Ａとは反対側の他端６Ｂの周面には、第１の歯車６Ｃが形成されている。貫通孔２Ｃを中心にＹ方向に回動可能な板状部材７が、一方の面２Ａよりも図１の紙面手前側に配置されている。板状部材７の第１の面には、全ての保持部材６の第１の歯車６Ｃと噛み合う第２の歯車が形成されている。板状部材７のＹ方向への回動に伴い、保持部材６の全てが回転する。その回転による、保持部材６の周面に形成されるねじ山と螺合する環状部材２に形成されたねじ溝とのねじ作用が、保持部材６が環状部材２の径方向Ｚへの移動を可能とする。【選択図】図１[PROBLEMS] To provide a wrench capable of holding the heads of hexagon nuts of various sizes and having good rotational operability. A wrench (1) has an annular member (2) having a through hole (2C) penetrating through one face (2A) and the other face. The holding member 6 holds the head of the bolt at one end 6A. A first gear 6C is formed on the peripheral surface of the other end 6B opposite to the one end 6A of all the holding members 6. A plate-like member 7 that can rotate in the Y direction around the through-hole 2C is disposed on the front side of the sheet of FIG. A second gear that meshes with the first gears 6 </ b> C of all the holding members 6 is formed on the first surface of the plate-like member 7. As the plate member 7 rotates in the Y direction, all of the holding member 6 rotates. Due to the rotation, the screw action of the screw groove formed on the annular member 2 that engages with the screw thread formed on the peripheral surface of the holding member 6 causes the holding member 6 to move in the radial direction Z of the annular member 2. Make it possible. [Selection] Figure 1
Description
本発明は、レンチに関する。 The present invention relates to a wrench.
通常のレンチは、握り部の先端に二股状に分岐した左右一組の挟持片を形成し、この左右一組の挟持片の間に、六角ナットの頭部が嵌合される凹部であって、その左右一組の挟持片より先の部分が開放された開放部を有する構造を有している。 A normal wrench forms a pair of left and right clamping pieces bifurcated at the tip of a grip part, and is a recess into which the head of a hexagon nut is fitted between the pair of left and right clamping parts. , And a structure having an open portion in which a portion ahead of the pair of right and left clamping pieces is opened.
このような通常のレンチは、六角ナットの頭部を左右一組の挟持片で嵌合したまま回転させると、上述の開放部の存在により、左右一組の挟持片から六角ナットの頭部が外れ易く、回転操作性が良好でないという問題を有している。この問題は、左右一組の挟持片の間隔を自由に調整できるいわゆるモンキーレンチの場合には、六角ナットの頭部との嵌合の状態に緩みが生じがちなため、より大きい。 In such a normal wrench, when the head of the hexagon nut is rotated with the pair of left and right holding pieces fitted, the head of the hexagon nut is removed from the pair of right and left holding pieces due to the presence of the above-mentioned opening portion. There is a problem that it is easy to come off and rotation operability is not good. This problem is greater in the case of a so-called monkey wrench that can freely adjust the distance between the pair of left and right clamping pieces, since the fitting state with the head of the hex nut tends to be loosened.
一方、いわゆるめがねレンチは、六角ナットの頭部を囲むリング状の挟持部を有し、上述の「一組の挟持片」のように開放部がないため、回転操作性が良好であり、上述の問題は生じない。 On the other hand, the so-called eyeglass wrench has a ring-shaped clamping part surrounding the head of the hexagon nut, and has no open part like the above-mentioned "one set of clamping pieces", so that the rotational operability is good. The problem does not occur.
そこで、通常のレンチに、いわゆるめがねレンチの構成要素の一部を取り入れたレンチが提案されている。すなわち、左右一組の挟持片の開放部に、左右一組の挟持片の間隔を狭めた外れ防止用突起を設ける構造のレンチが提案されている（特許文献１参照）。 Therefore, a wrench has been proposed in which some of the components of a so-called eyeglass wrench are incorporated into a normal wrench. That is, there has been proposed a wrench having a structure in which a release preventing projection having a narrow interval between a pair of left and right clamping pieces is provided at an open portion of the pair of right and left clamping pieces (see Patent Document 1).
上記の左右一組の挟持片の開放部に、左右一組の挟持片の間隔を狭めた外れ防止用突起を設ける構造のレンチは、上述のモンキーレンチのように、挟持片の間隔を自由に調整できるといった、便利な機能を付加することができない。 A wrench with a structure for providing a protrusion for preventing the detachment by narrowing the distance between the pair of left and right holding pieces at the open part of the pair of right and left holding pieces, like the above-mentioned monkey wrench, allows the gap between the holding pieces to be freely set. Convenient functions that can be adjusted cannot be added.
そこで本発明は、種々のサイズの六角ナットの頭部を挟持でき、しかも回転操作性が良好なレンチを提供することを目的とするものである。 SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a wrench that can hold the heads of hexagon nuts of various sizes and that has good rotational operability.
上記目的を達成するため、対向する一方の面と他方の面とを貫通する貫通孔を有する環状部材を有するレンチは、複数の棒状の保持部材の一端でボルトの頭部を保持するものであり、全ての保持部材の一端とは反対側の他端の周面のみには、第１の歯車が形成され、保持部材の一端と他端との間の周面には、環状部材と螺合するねじ溝が形成され、貫通孔の貫通軸を中心に回動可能な板状部材が、その第１の面と一方の面とが対向するように配置され、第１の面には、全ての保持部材の第１の歯車と噛み合う第２の歯車が形成され、板状部材の回動に伴い第２の歯車から第１の歯車へ力が伝達され、保持部材の全てが回転し、回転によって行われる、保持部材の周面に形成されるねじ山と螺合する、環状部材に形成されたねじ溝とのねじ作用によって、保持部材が環状部材の径方向への移動が可能であることを特徴とする。 In order to achieve the above object, a wrench having an annular member having a through-hole penetrating one opposing surface and the other surface holds the head of the bolt at one end of a plurality of rod-shaped holding members. The first gear is formed only on the peripheral surface of the other end opposite to one end of all the holding members, and the peripheral surface between the one end and the other end of the holding member is screwed with the annular member. A plate-like member that is formed to be capable of rotating about the through-axis of the through-hole is disposed so that the first surface and one surface thereof are opposed to each other. A second gear that meshes with the first gear of the holding member is formed, and the force is transmitted from the second gear to the first gear as the plate-like member rotates, so that all of the holding member rotates and rotates. The screw action with the thread groove formed in the annular member, which is screwed with the thread formed on the peripheral surface of the holding member Therefore, the holding member is characterized in that movable in the radial direction of the annular member.
また、上記目的を達成するため、対向する一方の面と他方の面とを貫通する貫通孔を有する環状部材を有するレンチは、複数の棒状の保持部材の一端でボルトの頭部を保持するものであり、全ての保持部材の一端とは反対側の他端の周面には、凸部、凹部または凹凸が形成され、保持部材の一端と他端との間の部分のみが、環状部材に設けられる保持部材の挿通用の孔を挿通可能であり、貫通孔の貫通軸を中心に回動可能な板状部材が、その第１の面と一方の面とが対向するように配置され、第１の面には、全ての保持部材の凸部、凹部または凹凸と嵌合する溝および／または突起が第１の面の周方向に沿って渦巻き状に形成され、板状部材の回動に伴い溝および／または突起から凸部、凹部または凹凸へ力が伝達され、溝および／または突起から凸部、凹部または凹凸へ伝達される力が、保持部材を環状部材の径方向へ移動させることを特徴とする。 Moreover, in order to achieve the said objective, the wrench which has the cyclic | annular member which has a through-hole which penetrates one opposing surface and the other surface hold | maintains the head part of a volt | bolt at the end of several rod-shaped holding members. A convex portion, a concave portion or an unevenness is formed on the peripheral surface of the other end opposite to one end of all the holding members, and only the portion between the one end and the other end of the holding member is an annular member. A plate-like member that can be inserted through the hole for insertion of the holding member provided and is rotatable about the through-axis of the through-hole is disposed such that the first surface and one surface thereof are opposed to each other, Grooves and / or protrusions that fit the convex portions, concave portions, or concave and convex portions of all the holding members are formed in a spiral shape on the first surface along the circumferential direction of the first surface, and the plate-like member is rotated. Accordingly, a force is transmitted from the groove and / or protrusion to the convex part, concave part or concave and convex, and the groove and / or protrusion Protrusions from the force transmitted to the recess or irregularity, the holding member and moving in the radial direction of the annular member.
本発明により、種々のサイズの六角ナットの頭部を挟持でき、しかも回転操作性が良好なレンチを提供することができる。 According to the present invention, it is possible to provide a wrench that can hold the heads of hexagon nuts of various sizes and has good rotational operability.
以下、本発明の実施の形態に係るレンチの構成および動作について説明する。図１は本発明の実施の形態に係るレンチの平面図である。図２は、図１の底面図である。図３は、図１の正面図である。図４は、図１のＡ−Ａ断面図である。図５は、図２からカバー部材をはずした状態を示す図である。図６は、図１から押さえ板をはずした状態を示す図である。図７は、本発明の実施の形態に係るレンチの斜視図である。図８は、図1のＢ−Ｂ断面図である。 Hereinafter, the configuration and operation of the wrench according to the embodiment of the present invention will be described. FIG. 1 is a plan view of a wrench according to an embodiment of the present invention. FIG. 2 is a bottom view of FIG. FIG. 3 is a front view of FIG. 4 is a cross-sectional view taken along line AA in FIG. FIG. 5 is a view showing a state where the cover member is removed from FIG. FIG. 6 is a view showing a state in which the pressing plate is removed from FIG. FIG. 7 is a perspective view of the wrench according to the embodiment of the present invention. 8 is a cross-sectional view taken along the line BB in FIG.
（本発明の実施の形態に係るレンチの構成）
本発明の実施の形態に係るレンチ１は、対向する一方の面２Ａと他方の面２Ｂとを貫通する貫通孔２Ｃを有する環状部材２を有している。ここで、レンチ１は、６つの棒状の保持部材６の一端６Ａで、貫通孔２Ｃの貫通軸Ｘを中心に６０°間隔の６箇所でボルトの頭部を保持するものである。そして、全ての保持部材６の一端６Ａとは反対側の他端６Ｂの周面には、第１の歯車６Ｃが形成されている。
(Configuration of wrench according to the embodiment of the present invention)
The wrench 1 according to the embodiment of the present invention has an annular member 2 having a through hole 2C that penetrates one surface 2A and the other surface 2B facing each other. Here, the wrench 1 is one end 6A of six rod-shaped holding members 6 that holds the heads of bolts at six points spaced by 60 ° around the through-axis X of the through-hole 2C. A first gear 6C is formed on the peripheral surface of the other end 6B opposite to the one end 6A of all the holding members 6.
そして、貫通孔２Ｃの貫通軸Ｘを中心に図１に示すＹ方向に回動可能な円環状の板状部材７が、一方の面２Ａよりも図１の紙面手前側に配置されている。一方の面２Ａと対向する板状部材７の第１の面７Ａには、全ての保持部材６の第１の歯車６Ｃと噛み合う第２の歯車７Ｃが形成されている。図６の紙面手前側には、第１の面７Ａとは反対側の面の第２の面７Ｂが見えている。 An annular plate-like member 7 that can rotate in the Y direction shown in FIG. 1 about the through-axis X of the through-hole 2C is disposed on the front side of the drawing in FIG. A second gear 7C that meshes with the first gears 6C of all the holding members 6 is formed on the first surface 7A of the plate-like member 7 facing the one surface 2A. A second surface 7B, which is the surface opposite to the first surface 7A, is visible on the front side in FIG.
そして、板状部材７のＹ方向への回動に伴い、第１の歯車６Ｃと噛み合う第２の歯車７Ｃの作用によって、保持部材６の全てが図３に示すＹ’方向に回転する。その回転によって行われる、保持部材６の周面に形成されるねじ山６Ｄ（図８)と螺合する環状部材２に形成されたねじ溝２Ｄ（図８)とのねじ作用によって、保持部材６が環状部材２の径方向Ｚ（図１)への移動が可能である。 As the plate-like member 7 rotates in the Y direction, the entire holding member 6 rotates in the Y ’ direction shown in FIG. 3 by the action of the second gear 7C that meshes with the first gear 6C. The holding member 6 is caused by the screw action of the thread 6D (FIG. 8) formed on the peripheral surface of the holding member 6 and the thread groove 2D (FIG. 8) formed in the annular member 2 to be screwed together. Can move the annular member 2 in the radial direction Z (FIG. 1).
環状部材２からは、その径方向Ｚに持ち手８が伸びている。この持ち手８は、レンチ１を用いてボルトを回す際に力が加えられる部位である。 A handle 8 extends in the radial direction Z from the annular member 2. The handle 8 is a portion to which a force is applied when the bolt is turned using the wrench 1.
環状部材２の他方の面２Ｂには、カバー部材１１が配置されている。カバー部材１１は、保持部材６の他端６Ｂを避けるための図３に示す貫通孔１１Ｂと、環状部材２の貫通孔２Ｃを避けるための貫通孔１１Ｃと、持ち手８を避けるための図７に示す切り欠き１１Ｄが形成されたカップ状の形状である。カバー部材１１は、図４に示すように、環状部材２の一方の面２Ａと、他方の面２Ｂと、カバー部材１１の６つの固定穴１１Ａと、後述する押さえ板と、を貫通する６つのボルト１２と、ボルト１２にそれぞれ取り付けられるナット１３とで、環状部材２に固定されている。 A cover member 11 is disposed on the other surface 2B of the annular member 2. The cover member 11 has a through hole 11B shown in FIG. 3 for avoiding the other end 6B of the holding member 6, a through hole 11C for avoiding the through hole 2C of the annular member 2, and FIG. It is the cup-shaped shape in which the notch 11D shown in FIG. As shown in FIG. 4, the cover member 11 has six surfaces penetrating one surface 2 </ b> A of the annular member 2, the other surface 2 </ b> B, six fixing holes 11 </ b> A of the cover member 11, and a pressing plate described later. The bolt 12 and nuts 13 attached to the bolts 12 are fixed to the annular member 2.
環状部材２の一方の面２Ａには、円環形状の押さえ板１４が配置されている。図４に示すように、押さえ板１４は、板状部材７の貫通孔７Ｄの内壁７Ｅとその上側縁部７Ｆを覆うように配置されている。押さえ板１４と、内壁７Ｅとその上側縁部７Ｆとの間にはそれぞれ隙間７Ｇ，７Ｊが設けられている。そのため、板状部材７は環状部材２に固定されつつ、貫通孔２Ｃを中心に回動自由とされている。なお、板状部材７の第２の面７Ｂの上側縁部７Ｆよりも外側には、指などで板状部材７を回動させる力を加える際の滑り止めとなる凹凸状の凹凸部７Ｈが形成されている。 An annular holding plate 14 is disposed on one surface 2 </ b> A of the annular member 2. As shown in FIG. 4, the pressing plate 14 is disposed so as to cover the inner wall 7 </ b> E of the through hole 7 </ b> D of the plate-like member 7 and its upper edge 7 </ b> F. Clearances 7G and 7J are provided between the pressing plate 14, the inner wall 7E and the upper edge portion 7F, respectively. For this reason, the plate-like member 7 is fixed to the annular member 2 and is freely rotatable around the through hole 2C. In addition, on the outer side of the upper edge portion 7F of the second surface 7B of the plate-like member 7, there is a concavo-convex portion 7H that serves as an anti-slip when applying a force to rotate the plate-like member 7 with a finger or the like. Is formed.
（本発明の実施の形態に係るレンチの動作）
図９は、図１のＢ−Ｂ断面図であって、環状部材２、保持部材６および板状部材７のみを示した図であり、板状部材７を回動動作させる前の状態を示す図である。図１０は、図１のＢ−Ｂ断面図であって、環状部材２、保持部材６および板状部材７のみを示した図であり、板状部材７を回動動作させた後の状態を示す図である。
(Operation of the wrench according to the embodiment of the present invention)
FIG. 9 is a cross-sectional view taken along the line B-B of FIG. 1, showing only the annular member 2, the holding member 6, and the plate member 7, and shows a state before the plate member 7 is rotated. FIG. FIG. 10 is a cross-sectional view taken along the line BB in FIG. 1 and shows only the annular member 2, the holding member 6, and the plate-like member 7, and shows a state after the plate-like member 7 is rotated. FIG.
図９に示した状態から、板状部材７を図１に示すＹの一方の方向に回動させると、保持部材６を図１に示すＺ方向に移動させることができる。図９に示した状態から保持部材６を貫通軸Ｘに近づくように板状部材７を回動させると、第２の歯車７Ｃから第１の歯車６Ｃへ力が伝達される。すると、ねじ山６Ｄ（図８)と螺合するねじ溝２Ｄ（図８)とのねじ作用によって図１０に示すように保持部材６の一端６Ａが互いに近づくように移動する。図９から図１０に示す状態へと動作させるのとは反対方向Ｙに板状部材７を回転させると、保持部材６の一端６Ａが互いに離れるように移動する。なお、ねじ溝２Ｄが形成される孔を保持部材６の挿通用の孔と言うこととする
2
When the plate-like member 7 is rotated in one direction Y shown in FIG. 1 from the state shown in FIG. 9, the holding member 6 can be moved in the Z direction shown in FIG. When the plate member 7 is rotated so that the holding member 6 approaches the penetrating axis X from the state shown in FIG. 9, force is transmitted from the second gear 7C to the first gear 6C. Then, one end 6A of the holding member 6 moves so as to approach each other as shown in FIG. 10 by the screw action of the thread 6D (FIG. 8) and the thread groove 2D (FIG. 8) to be screwed. When the plate member 7 is rotated in the direction Y opposite to the operation from the state shown in FIG. 9 to FIG. 10, the one end 6A of the holding member 6 is moved away from each other. The hole in which the thread groove 2D is formed is referred to as a hole for inserting the holding member 6.
2
（本発明の実施の形態によって得られる主な効果）
本発明の実施の形態に係るレンチ１は、上述のようにそれぞれの保持部材６の一端６Ａの互いの距離を変化させることができる。この一端６Ａは、ボルトの頭部を保持する部分である。そのため、種々のサイズの六角ナットの頭部を挟持できる。しかもボルトの頭部は、貫通孔２Ｃの貫通軸Ｘを中心に６０°間隔の６箇所で保持部材６によって保持される。そのため、回転操作性が良好なレンチを提供することができる。
(Main effects obtained by the embodiment of the present invention)
The wrench 1 according to the embodiment of the present invention can change the distance between the ends 6A of the holding members 6 as described above. The one end 6A is a portion that holds the head of the bolt. Therefore, the heads of hex nuts of various sizes can be clamped. In addition, the heads of the bolts are held by the holding member 6 at six points spaced by 60 ° around the through-axis X of the through-hole 2C. Therefore, it is possible to provide a wrench with good rotational operability.
（他の形態）
上述した本発明の実施の形態に係るレンチ１は、本発明の好適な形態の一例ではあるが、これに限定されるものではなく本発明の要旨を変更しない範囲において種々の変形実施が可能である。
(Other forms)
The wrench 1 according to the embodiment of the present invention described above is an example of a preferred embodiment of the present invention, but is not limited thereto, and various modifications can be made without departing from the scope of the present invention. is there.
たとえば、本発明の実施の形態に係るレンチ１は、６つの棒状の保持部材６の一端６Ａで、貫通孔２Ｃの貫通軸Ｘを中心に６０°間隔の６箇所でボルトの頭部を保持するものである。しかし、保持部材６は、貫通孔２Ｃの貫通軸Ｘを中心に１２０°間隔の３箇所でボルトの頭部を保持するものであってもよい。また、保持部材６は、貫通孔２Ｃの貫通軸Ｘを中心に１８０°間隔の２箇所でボルトの頭部を保持するものであってもよい。このように、２箇所でボルトの頭部を保持するレンチであっても、環状部材２を備えており、従来のモンキーレンチのように開放部がないため、回転操作性の良好さを損なうことはない。 For example, the wrench 1 according to the embodiment of the present invention holds the heads of bolts at six positions with an interval of 60 ° around the through-axis X of the through-hole 2C at one end 6A of six rod-shaped holding members 6. Is. However, the holding member 6 may hold the heads of the bolts at three positions with an interval of 120 ° around the through-axis X of the through-hole 2C. Moreover, the holding member 6 may hold | maintain the head part of a volt | bolt in two places of the 180 degree space | interval centering | focusing on the penetration axis X of 2 C of through-holes. Thus, even a wrench that holds the bolt head at two locations is provided with the annular member 2 and there is no open portion like the conventional monkey wrench, thus impairing the rotational operability. There is no.
また、ねじ溝２Ｄとねじ山６Ｄは、設けなくてもよい。たとえば、対向する一方の面と他方の面とを貫通する貫通孔を有する環状部材を有するレンチが、複数の棒状の保持部材６の一端６Ａでボルトの頭部を保持するものであり、全ての保持部材６の一端６Ａとは反対側の他端６Ｂの周面には、凸部、凹部または凹凸が形成され、貫通孔２Ｃの貫通軸Ｘを中心に回動可能な板状部材７が、その第１の面７Ａと一方の面２Ａとが対向するように配置され、第１の面７Ａには、全ての保持部材６の凸部、凹部または凹凸と嵌合する溝および／または突起が形成され、板状部材７の回動に伴い溝および／または突起から凸部、凹部または凹凸へ力が伝達され、溝および／または突起から凸部、凹部または凹凸へ伝達される力が、保持部材６を環状部材２の径方向Ｚへ移動させることとしてもよい。 Further, the thread groove 2D and the thread 6D may not be provided. For example, a wrench having an annular member having a through-hole penetrating one surface and the other surface holds the heads of bolts at one end 6A of a plurality of rod-shaped holding members 6. On the peripheral surface of the other end 6B opposite to the one end 6A of the holding member 6, a convex part, a concave part or an uneven part is formed, and a plate-like member 7 that can rotate around the through-axis X of the through-hole 2C, The first surface 7A and the one surface 2A are arranged so as to face each other, and grooves and / or protrusions that fit the convex portions, concave portions, or concave and convex portions of all the holding members 6 are formed on the first surface 7A. As the plate-like member 7 is rotated, force is transmitted from the groove and / or projection to the convex portion, concave portion or concave / convex, and the force transmitted from the groove and / or projection to the convex portion, concave portion or concave / convex is retained. The member 6 may be moved in the radial direction Z of the annular member 2.
このような構成を採用したレンチについて説明する。板状部材７の第１の面７Ａの溝および／または突起は、第１の面７Ａの周方向に沿って渦巻き状（スパイラル状）に形成される。そして、保持部材６の周面に形成される凸部、凹部または凹凸は、その溝および／または突起と嵌合する。そして、板状部材７が回動すると、溝および／または突起があたかもレコードの溝で、凸部、凹部または凹凸がレコード針のように摺動動作し、保持部材６が環状部材２の径方向Ｚに移動可能となる。 A wrench employing such a configuration will be described. The grooves and / or protrusions on the first surface 7A of the plate-like member 7 are formed in a spiral shape (spiral shape) along the circumferential direction of the first surface 7A. And the convex part, recessed part, or unevenness | corrugation formed in the surrounding surface of the holding member 6 fits with the groove | channel and / or protrusion. When the plate-like member 7 is rotated, the groove and / or the protrusion is a groove of the record, and the convex portion, the concave portion or the concave and convex portions slide like a record needle, and the holding member 6 is in the radial direction of the annular member 2. It becomes possible to move to Z.
ここで、板状部材７の第１の面７Ａに形成されるのが溝の場合は、保持部材６の周面に形成されるのは凸部であり、その凸部が溝に嵌合する。また、板状部材７の第１の面７Ａに形成されるのが突起の場合は、保持部材６の周面に形成されるのは凹部であり、その突起が凹部に嵌合する。また、板状部材７の第１の面７Ａに形成されるのが溝および突起の場合は、保持部材６の周面に形成されるのは凹凸であり、その突起が凹に嵌合し、且つ溝が凸に嵌合する。 Here, when the groove is formed on the first surface 7A of the plate-like member 7, the protrusion is formed on the peripheral surface of the holding member 6, and the protrusion fits into the groove. . Further, when the projection is formed on the first surface 7A of the plate-like member 7, it is a recess that is formed on the peripheral surface of the holding member 6, and the projection fits into the recess. Further, in the case where grooves and protrusions are formed on the first surface 7A of the plate-like member 7, it is unevenness that is formed on the peripheral surface of the holding member 6, and the protrusions fit into the recesses, And the groove fits in a convex manner.
図１１は、板状部材７の第１の面７Ａに形成されるのが渦巻き状の溝２１であり、保持部材６の周面に形成されるのが凸部２２である場合の板状部材７と保持部材６の動作を説明する図である。板状部材７を図１に示すのと同様にＹ方向に回動させると、凸部２２は溝２１に嵌合した状態で溝２１に沿って摺動し、保持部材６が図１に示すのと同様に径方向Ｚに移動する。このように、レンチ１と同様に板状部材７をＹ方向に回動させることで、保持部材６を径方向Ｚに移動させることができる。 In FIG. 11, the spiral member 21 is formed on the first surface 7 </ b> A of the plate member 7, and the convex member 22 is formed on the peripheral surface of the holding member 6. 7 is a view for explaining the operation of the holding member 6 and FIG. When the plate-like member 7 is rotated in the Y direction in the same manner as shown in FIG. 1, the convex portion 22 slides along the groove 21 while being fitted in the groove 21, and the holding member 6 is shown in FIG. It moves to the radial direction Z like. As described above, the holding member 6 can be moved in the radial direction Z by rotating the plate-like member 7 in the Y direction in the same manner as the wrench 1.
１ レンチ
２ 環状部材
２Ａ 一方の面
２Ｂ 他方の面
２Ｃ 貫通孔
２Ｄ ねじ溝
６ 保持部材
６Ａ 一端
６Ｂ 他端
６Ｃ 第１の歯車
６Ｄ ねじ山
７ 板状部材
７Ａ 第１の面
７Ｂ 第２の面
７Ｃ 第２の歯車
Ｘ 貫通軸
Ｚ 径方向
1 wrench 2 annular member 2A one surface 2B other surface 2C through hole 2D thread groove 6 holding member 6A one end 6B other end 6C first gear 6D thread 7 plate-like member 7A first surface 7B second surface 7C Second gear X Through shaft Z Radial direction
Claims (2)
複数の棒状の保持部材の一端でボルトの頭部を保持するものであり、
全ての上記保持部材の上記一端とは反対側の他端の周面のみには、第１の歯車が形成され、
上記保持部材の上記一端と上記他端との間の周面には、上記環状部材と螺合するねじ溝が形成され、
上記貫通孔の貫通軸を中心に回動可能な板状部材が、その第１の面と上記一方の面とが対向するように配置され、
上記第１の面には、全ての上記保持部材の上記第１の歯車と噛み合う第２の歯車が形成され、
上記板状部材の上記回動に伴い上記第２の歯車から上記第１の歯車へ力が伝達され、上記保持部材の全てが回転し、
上記回転によって行われる、上記保持部材の周面に形成されるねじ山と螺合する、上記環状部材に形成されたねじ溝とのねじ作用によって、
上記保持部材が上記環状部材の径方向への移動が可能であることを特徴とするレンチ。 In the wrench having an annular member having a through-hole penetrating one surface and the other surface facing each other,
The head of the bolt is held at one end of a plurality of rod-shaped holding members,
A first gear is formed only on the peripheral surface of the other end opposite to the one end of all the holding members,
On the peripheral surface between the one end and the other end of the holding member, a thread groove that is screwed with the annular member is formed,
A plate-like member that is rotatable about the through-axis of the through-hole is disposed such that the first surface and the one surface face each other,
A second gear that meshes with the first gears of all the holding members is formed on the first surface,
A force is transmitted from the second gear to the first gear with the rotation of the plate member, and all of the holding members rotate,
By the screw action of the thread groove formed in the annular member, which is screwed with the thread formed on the peripheral surface of the holding member, which is performed by the rotation.
The wrench characterized in that the holding member is movable in the radial direction of the annular member.
複数の棒状の保持部材の一端でボルトの頭部を保持するものであり、
全ての上記保持部材の上記一端とは反対側の他端の周面には、凸部、凹部または凹凸が形成され、
上記保持部材の上記一端と上記他端との間の部分のみが、上記環状部材に設けられる上記保持部材の挿通用の孔を挿通可能であり、
上記貫通孔の貫通軸を中心に回動可能な板状部材が、その第１の面と上記一方の面とが対向するように配置され、
上記第１の面には、全ての上記保持部材の上記凸部、凹部または凹凸と嵌合する溝および／または突起が上記第１の面の周方向に沿って渦巻き状に形成され、
上記板状部材の上記回動に伴い上記溝および／または突起から上記凸部、凹部または凹凸へ力が伝達され、
上記溝および／または突起から上記凸部、凹部または凹凸へ伝達される力が、
上記保持部材を上記環状部材の径方向へ移動させることを特徴とするレンチ。 In the wrench having an annular member having a through-hole penetrating one surface and the other surface facing each other,
The head of the bolt is held at one end of a plurality of rod-shaped holding members,
On the peripheral surface of the other end opposite to the one end of all the holding members, a convex part, a concave part or an uneven part is formed,
Only the portion between the one end and the other end of the holding member can be inserted through the hole for insertion of the holding member provided in the annular member,
A plate-like member that is rotatable about the through-axis of the through-hole is disposed such that the first surface and the one surface face each other,
On the first surface, grooves and / or protrusions that fit into the convex portions, concave portions, or concave and convex portions of all the holding members are formed in a spiral shape along the circumferential direction of the first surface ,
A force is transmitted from the groove and / or projection to the convex portion, concave portion or concave and convex as the plate member rotates,
The force transmitted from the groove and / or projection to the convex portion, concave portion or concave and convex portions is
A wrench characterized by moving the holding member in the radial direction of the annular member.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1713803A (en) * | 1926-11-15 | 1929-05-21 | Lucius E Whiton | Lathe chuck |
| US6752047B1 (en) * | 2003-04-22 | 2004-06-22 | Yi Min Lee | Ratchet wrench with adjustable working size |
| CN102430996A (en) * | 2011-09-24 | 2012-05-02 | 山东科技大学 | Three jaw chuck type shifting wrench |
| CN102658533A (en) * | 2012-04-26 | 2012-09-12 | 刘士进 | Three-jaw adjustable sleeve |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1713803A (en) * | 1926-11-15 | 1929-05-21 | Lucius E Whiton | Lathe chuck |
| US6752047B1 (en) * | 2003-04-22 | 2004-06-22 | Yi Min Lee | Ratchet wrench with adjustable working size |
| CN102430996A (en) * | 2011-09-24 | 2012-05-02 | 山东科技大学 | Three jaw chuck type shifting wrench |
| CN102658533A (en) * | 2012-04-26 | 2012-09-12 | 刘士进 | Three-jaw adjustable sleeve |
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