JP2017133636A

JP2017133636A - Wiper

Info

Publication number: JP2017133636A
Application number: JP2016015370A
Authority: JP
Inventors: 入江　勉; Tsutomu Irie; 勉入江; 原田　和政; Kazumasa Harada; 和政原田
Original assignee: Mitsuboshi Belting Ltd
Current assignee: Mitsuboshi Belting Ltd
Priority date: 2016-01-29
Filing date: 2016-01-29
Publication date: 2017-08-03

Abstract

PROBLEM TO BE SOLVED: To provide a wiper which can be easily attached to and detached from a direction intersecting with a moving direction with respect to a rail even if an engagement part engaged with a raceway surface of the rail is formed, in a constitution including an elastic member and a rigid member.SOLUTION: A wiper 1 includes two opposing parts 11 which oppose each other while separating from each other in an opposing direction intersecting with a moving direction, and a connecting part 12 for connecting the two opposing parts 11. The wiper 1 also has an elastic member 1e which constitutes at least a lip part 1a, and is composed of an elastic material, and two rigid members 1r which are fixed to the elastic member 1e, and composed of materials which are higher in rigidity than the elastic material. The two rigid members 1r are arranged while separating from each other in the opposing direction. A middle region 12x sandwiched by the two rigid members 1r in the opposing direction at the connecting part 12 is constituted of the elastic member 1e.SELECTED DRAWING: Figure 2

Description

本発明は、レールの軌道面に沿って移動する可動体に固定され、軌道面に摺接するリップ部を有し、リップ部と軌道面との摺接により軌道面上の異物を除去するワイパーに関する。 The present invention relates to a wiper that has a lip portion that is fixed to a movable body that moves along a raceway surface of a rail, has a lip portion that is in sliding contact with the raceway surface, and removes foreign matter on the raceway surface by sliding contact between the lip portion and the raceway surface. .

特許文献１には、可動体の移動方向両端部に設けられたユニット装着部に対してワンタッチで着脱可能なカートリッジ式のワイパーユニットが示されている。特許文献１のワイパーユニットは、可動体の移動方向から見てコの字状であって、レールを３方向から挟むように構成されており、コの字を形成する上壁部及び下壁部の延在方向（移動方向と交差する方向）に着脱可能となっている。 Patent Document 1 discloses a cartridge-type wiper unit that can be attached and detached with one touch to unit mounting portions provided at both ends in the moving direction of a movable body. The wiper unit of Patent Document 1 has a U-shape when viewed from the moving direction of the movable body, and is configured to sandwich the rail from three directions, and an upper wall portion and a lower wall portion that form a U-shape. Can be attached and detached in the extending direction (direction intersecting the moving direction).

特許文献２及び特許文献３には、スライダ（可動体）の移動方向から見てコの字状であって、レールを３方向から挟むように構成されており、対向する両内側縁にレールの軌道面と係合する突起（係合部）が形成されたサイドシール及びシール装置（ワイパー）が示されている。特許文献２及び特許文献３のワイパーは、ゴム等からなるシール部材（弾性部材）と芯金又は補強板（剛性部材）とを含み、シール部材（弾性部材）の表面におけるリップ部を除く略全域に芯金又は補強板（剛性部材）が接合されている。 Patent Document 2 and Patent Document 3 have a U-shape when viewed from the moving direction of the slider (movable body), and are configured to sandwich the rail from three directions. A side seal and a sealing device (wiper) in which protrusions (engaging portions) that engage with the raceway surface are formed are shown. The wipers of Patent Document 2 and Patent Document 3 include a seal member (elastic member) made of rubber or the like and a core metal or a reinforcing plate (rigid member), and substantially the entire area excluding the lip portion on the surface of the seal member (elastic member). A cored bar or a reinforcing plate (rigid member) is joined to each other.

特開２００４−１０６０６６号公報JP 2004-106066 A 特開２００８−１３３９３９号公報JP 2008-133939 A 特開平７−３５１４６号公報JP-A-7-35146

特許文献２及び特許文献３のワイパーのように、弾性部材と剛性部材とを含む構成において、レールの軌道面と係合する係合部が形成されている場合に、弾性部材の表面におけるリップ部を除く略全域に剛性部材が接合されていると、特許文献１のようにワイパーをレールに対して移動方向と交差する方向に着脱することは困難である。 In the configuration including the elastic member and the rigid member as in the wipers of Patent Document 2 and Patent Document 3, when the engaging portion that engages the track surface of the rail is formed, the lip portion on the surface of the elastic member When the rigid member is joined to substantially the entire area excluding the case, it is difficult to attach and detach the wiper in the direction intersecting the moving direction with respect to the rail as in Patent Document 1.

本発明の目的は、弾性部材と剛性部材とを含む構成において、レールの軌道面と係合する係合部が形成されている場合においても、レールに対して移動方向と交差する方向に容易に着脱することができる、ワイパーを提供することである。 It is an object of the present invention to provide a configuration including an elastic member and a rigid member, and even in the case where an engaging portion that engages with a rail track surface is formed, the rail can be easily moved in a direction intersecting the moving direction. It is to provide a wiper that can be detached.

本発明に係るワイパーは、レールの軌道面に沿って移動する可動体における前記レールに対する移動方向の両端面の少なくとも一方に固定され、前記軌道面に摺接するリップ部を有し、前記リップ部と前記軌道面との摺接により前記軌道面上の異物を除去するワイパーにおいて、前記移動方向と交差する対向方向に互いに離隔しつつ対向する２つの対向部と、前記２つの対向部を連結する連結部とを含み、前記２つの対向部と前記連結部とで囲まれた空間に前記レールが配置され、前記レールを３方向から挟むように構成されており、前記２つの対向部の少なくとも一方における前記空間と対向する対向面に、前記軌道面と係合する係合部であって、前記移動方向及び前記対向方向と交差する方向への前記ワイパーの前記レールからの着脱を規制する係合部が設けられており、少なくとも前記リップ部を構成し、弾性材料からなる弾性部材と、前記弾性部材に対して固定され、前記弾性材料よりも剛性が高い材料からなる複数の剛性部材とを備え、前記複数の剛性部材が前記対向方向に離隔して配置され、前記連結部における前記対向方向に前記複数の剛性部材に挟まれた中領域が前記弾性部材で構成されていることを特徴とする。 The wiper according to the present invention has a lip portion that is fixed to at least one of both end surfaces of the movable body that moves along the track surface of the rail in the moving direction with respect to the rail, and that is in sliding contact with the track surface, In the wiper that removes foreign matter on the raceway surface by sliding contact with the raceway surface, two opposing portions that are opposed to each other in the opposing direction intersecting the moving direction and a connection that connects the two opposing portions. The rail is disposed in a space surrounded by the two opposing portions and the connecting portion, and is configured to sandwich the rail from three directions, and at least one of the two opposing portions An engaging portion that engages with the raceway surface on an opposing surface that faces the space, wherein the wiper is attached to and detached from the rail in a direction that intersects the moving direction and the opposing direction. An engaging member is provided, and at least the lip portion is formed, and an elastic member made of an elastic material and a plurality of rigidity made of a material fixed to the elastic member and having a higher rigidity than the elastic material A plurality of rigid members spaced apart from each other in the facing direction, and an intermediate region sandwiched between the plurality of rigid members in the facing direction in the connecting portion is configured by the elastic member. It is characterized by.

本発明によれば、複数の剛性部材が対向方向に離隔して配置され、連結部における対向方向に複数の剛性部材に挟まれた中領域が弾性部材で構成されている。そのため、中領域を弾性変形させることによって、２つの対向部の対向面間の距離を大きくし、係合部とレールの軌道面との係合を解除することができる。したがって、本発明に係るワイパーは、弾性部材と剛性部材とを含む構成において、レールの軌道面と係合する係合部が形成されている場合においても、レールに対して移動方向と交差する方向に容易に着脱することができる。 According to the present invention, the plurality of rigid members are spaced apart from each other in the facing direction, and the middle region sandwiched between the plurality of rigid members in the facing direction in the connecting portion is formed of an elastic member. Therefore, by elastically deforming the middle region, the distance between the opposing surfaces of the two opposing portions can be increased, and the engagement between the engaging portion and the track surface of the rail can be released. Therefore, the wiper according to the present invention has a configuration including an elastic member and a rigid member, and even when an engagement portion that engages with the track surface of the rail is formed, the direction that intersects the moving direction with respect to the rail. Can be easily attached and detached.

前記中領域に欠損部が設けられてよい。
上記構成によれば、欠損部がない場合に比べ、中領域をより弾性変形させ易くなる。したがって、ワイパーをレールに対して移動方向と交差する方向により容易に着脱することができる。 A defect portion may be provided in the middle region.
According to the said structure, compared with the case where there is no defect | deletion part, it becomes easier to elastically deform a middle area | region. Therefore, the wiper can be easily attached to and detached from the rail in the direction intersecting the moving direction.

前記欠損部は、前記連結部における前記空間とは反対側の面に形成された、曲面状の凹部であってよい。
上記構成によれば、中領域を弾性変形させたときに欠損部を始点として弾性部材が裂けることを抑制することができる。 The defective portion may be a curved concave portion formed on a surface of the connecting portion opposite to the space.
According to the above configuration, when the middle region is elastically deformed, the elastic member can be prevented from tearing starting from the missing portion.

前記複数の剛性部材は、それぞれ、前記ワイパーを前記可動体に固定するための固定部材が取り付けられる取付部を構成してよい。
上記構成によれば、固定部材の取り付けに係る力に耐えることができ、ワイパーを可動体に強固に固定することができる。 Each of the plurality of rigid members may constitute an attachment portion to which a fixing member for fixing the wiper to the movable body is attached.
According to the said structure, it can endure the force which concerns on attachment of a fixing member, and can fix a wiper to a movable body firmly.

本発明の第１実施形態に係るワイパーが、可動体に固定され、可動体と共にレールに装着された状態を示す、側面図である。It is a side view showing the state where the wiper concerning a 1st embodiment of the present invention was fixed to the movable body, and was attached to the rail with the movable body. （ａ）は、本発明の第１実施形態に係るワイパーの前方から見た全体図である。（ｂ）は、図２（ａ）のＩＩＢ−ＩＩＢ線に沿った断面図である。（ｃ）は、図２（ａ）のＩＩＣ−ＩＩＣ線に沿った断面図である。（ｄ）は、図２（ａ）のＩＩＤ−ＩＩＤ線に沿った断面図である。(A) is the whole view seen from the front of the wiper concerning a 1st embodiment of the present invention. (B) is sectional drawing which followed the IIB-IIB line | wire of Fig.2 (a). (C) is sectional drawing along the IIC-IIC line | wire of Fig.2 (a). (D) is sectional drawing along the IID-IID line | wire of Fig.2 (a). 本発明の第１実施形態に係るワイパーがレールに装着された状態を示す、図１のＩＩＩ−ＩＩＩ線に沿った断面図である。It is sectional drawing along the III-III line | wire of FIG. 1 which shows the state with which the wiper which concerns on 1st Embodiment of this invention was mounted | worn to the rail. 本発明の第１実施形態に係るワイパーをレールから取り外す作業の第１段階を示す、図２（ｄ）に対応する断面図である。It is sectional drawing corresponding to FIG.2 (d) which shows the 1st step of the operation | work which removes the wiper which concerns on 1st Embodiment of this invention from a rail. 本発明の第１実施形態に係るワイパーをレールから取り外す作業の第２段階を示す、図２（ｄ）に対応する断面図である。It is sectional drawing corresponding to FIG.2 (d) which shows the 2nd step of the operation | work which removes the wiper which concerns on 1st Embodiment of this invention from a rail. （ａ）は、本発明の第２実施形態に係るワイパーの前方から見た全体図である。（ｂ）は、図６（ａ）のＶＩＢ−ＶＩＢ線に沿った断面図である。(A) is the whole view seen from the front of the wiper concerning a 2nd embodiment of the present invention. (B) is sectional drawing which followed the VIB-VIB line | wire of Fig.6 (a). （ａ）は、比較例に係るワイパーの前方から見た全体図である。（ｂ）は、図７（ａ）のＶＩＩＢ−ＶＩＩＢ線に沿った断面図である。(A) is the whole view seen from the front of the wiper concerning a comparative example. (B) is sectional drawing which followed the VIIB-VIIB line | wire of Fig.7 (a). 本発明の第１実施例に係るワイパーをレールから取り外す作業の第３段階を示す、図３に対応する断面図である。It is sectional drawing corresponding to FIG. 3 which shows the 3rd step of the operation | work which removes the wiper which concerns on 1st Example of this invention from a rail. 本発明の第１実施例に係るワイパーをレールから取り外す作業の第４段階を示す、図３に対応する断面図である。It is sectional drawing corresponding to FIG. 3 which shows the 4th step of the operation | work which removes the wiper which concerns on 1st Example of this invention from a rail. 本発明の第１実施例に係るワイパーをレールから取り外す作業の第５段階を示す、図３に対応する断面図である。It is sectional drawing corresponding to FIG. 3 which shows the 5th step of the operation | work which removes the wiper which concerns on 1st Example of this invention from a rail.

本発明の第１実施形態に係るワイパー１は、図１に示すように、レール２の軌道面２ａに沿って往復移動する可動体３におけるレール２に対する移動方向（ワイパー１の「厚み方向」と同じ方向。以下、単に「移動方向」という。）の両端面３ａに固定される。レール２及び可動体３は、工作機械、産業機械等に用いられるリニアガイドを構成する。ワイパー１は、図２及び図３に示すように、軌道面２ａに摺接するリップ部１ａを有し、リップ部１ａと軌道面２ａとの摺接により軌道面２ａ上の異物を除去するものである。 As shown in FIG. 1, the wiper 1 according to the first embodiment of the present invention has a moving direction with respect to the rail 2 in the movable body 3 that reciprocates along the track surface 2 a of the rail 2 (the “thickness direction” of the wiper 1). The same direction (hereinafter simply referred to as “movement direction”) is fixed to both end faces 3a. The rail 2 and the movable body 3 constitute a linear guide used for machine tools, industrial machines, and the like. As shown in FIGS. 2 and 3, the wiper 1 has a lip portion 1a that is in sliding contact with the raceway surface 2a, and removes foreign matter on the raceway surface 2a by sliding contact between the lip portion 1a and the raceway surface 2a. is there.

ワイパー１は、２つの対向部１１と、２つの対向部１１を連結する連結部１２とを含む。２つの対向部１１は、移動方向と交差する対向方向（ワイパー１の「幅方向」と同じ方向。以下、単に「対向方向」という。）に互いに離隔しつつ対向している。連結部１２は、対向方向に延在している。ワイパー１は、移動方向から見てコの字状であって、２つの対向部１１と連結部１２とで囲まれた空間１３にレール２が配置され、２つの対向部１１と連結部１２とでレール２を３方向から挟むように構成されている。 The wiper 1 includes two opposing portions 11 and a connecting portion 12 that connects the two opposing portions 11. The two facing portions 11 face each other in a facing direction (the same direction as the “width direction” of the wiper 1; hereinafter, simply referred to as “facing direction”) intersecting the moving direction. The connecting portion 12 extends in the facing direction. The wiper 1 has a U-shape when viewed from the moving direction, and the rail 2 is arranged in a space 13 surrounded by the two facing portions 11 and the connecting portion 12, and the two facing portions 11 and the connecting portion 12 The rail 2 is sandwiched from three directions.

ワイパー１の前面（図２（ａ）及び図３に描かれている面、図２（ｂ），（ｃ）の左側の面、図２（ｄ）の上側の面であって、可動体３に固定される後面とは反対側の面）には、空間１３を囲むように、溝１ｂが形成されている。ワイパー１において溝１ｂよりも空間１３に近い部分が、リップ部１ａに該当する。リップ部１ａにおける空間１３を画定する面は、前方（ワイパー１の後面から前面に向かう方向）に向かって空間１３が小さくなるように傾斜している。 The front surface of the wiper 1 (the surface depicted in FIGS. 2 (a) and 3), the left surface in FIGS. 2 (b) and 2 (c), and the upper surface in FIG. A groove 1b is formed so as to surround the space 13 on the surface opposite to the rear surface fixed to the surface. A portion of the wiper 1 closer to the space 13 than the groove 1b corresponds to the lip portion 1a. The surface that defines the space 13 in the lip portion 1a is inclined so that the space 13 becomes smaller toward the front (in the direction from the rear surface to the front surface of the wiper 1).

２つの対向部１１における高さ方向（ワイパー１の高さ方向であり、ワイパー１の厚み方向及び幅方向と直交する方向）の一端及び他端には、それぞれ、ワイパー１を可動体３に固定するためのボルト（固定部材）が取り付けられるボルト孔１５が、厚み方向に貫通して設けられている。 The wiper 1 is fixed to the movable body 3 at one end and the other end in the height direction (the height direction of the wiper 1 and the direction perpendicular to the thickness direction and the width direction of the wiper 1) in the two facing portions 11. Bolt holes 15 to which bolts (fixing members) for mounting are attached are provided penetrating in the thickness direction.

２つの対向部１１における空間１３と対向する対向面１１ａには、それぞれ、軌道面２ａの凹部２ｙ及び凸部２ｘと係合する凸部１１ｘ及び凹部１１ｙが設けられている（図３参照）。凸部１１ｘ及び凹部１１ｙは、移動方向及び対向方向と交差する方向（例えば、高さ方向）へのワイパー１のレール２からの着脱を規制するものである。 Convex portions 11x and concave portions 11y that engage with the concave portions 2y and the convex portions 2x of the raceway surface 2a are respectively provided on the opposing surfaces 11a facing the space 13 in the two opposing portions 11 (see FIG. 3). The convex portion 11x and the concave portion 11y regulate attachment / detachment of the wiper 1 from the rail 2 in a direction (for example, a height direction) intersecting the moving direction and the opposing direction.

ワイパー１は、弾性材料からなる弾性部材１ｅと、弾性材料よりも剛性が高い材料からなる２つの剛性部材１ｒとを含む。 The wiper 1 includes an elastic member 1e made of an elastic material and two rigid members 1r made of a material having higher rigidity than the elastic material.

弾性部材１ｅを構成する弾性材料は、例えば、クロロプレンゴム、ニトリルゴム、水素化ニトリルゴム、エチレンプロピレンゴム、ウレタンゴム、アクリルゴム、シリコーンゴム、フッ素ゴム等のゴム成分を含むゴム組成物や、ポリウレタン等である。弾性部材１ｅをゴム組成物で構成する場合、補強のため、カーボンブラック、老化防止剤、可塑剤、加硫促進剤、加硫剤等の配合剤を配合することが好ましい。 The elastic material constituting the elastic member 1e is, for example, a rubber composition containing a rubber component such as chloroprene rubber, nitrile rubber, hydrogenated nitrile rubber, ethylene propylene rubber, urethane rubber, acrylic rubber, silicone rubber, fluorine rubber, or polyurethane. Etc. When the elastic member 1e is composed of a rubber composition, it is preferable to blend compounding agents such as carbon black, an antioxidant, a plasticizer, a vulcanization accelerator, and a vulcanizing agent for reinforcement.

剛性部材１ｒを構成する材料は、例えば、炭素鋼、合金鋼等である。具体的には、例えば、冷間圧延鋼板、電気亜鉛めっき鋼板、ステンレス鋼板、アルミニウム合金板等を、剛性部材１ｒとして用いてよい。また、必要に応じて、剛性部材１ｒの表面に、メッキ等の防錆処理を施してよい。 The material constituting the rigid member 1r is, for example, carbon steel, alloy steel or the like. Specifically, for example, a cold rolled steel plate, an electrogalvanized steel plate, a stainless steel plate, an aluminum alloy plate, or the like may be used as the rigid member 1r. Moreover, you may give rust prevention processes, such as plating, to the surface of the rigid member 1r as needed.

弾性部材１ｅは、板状の部材であって、移動方向から見たワイパー１のリップ部１ａを含む全領域を構成する。 The elastic member 1e is a plate-like member and constitutes the entire region including the lip portion 1a of the wiper 1 as viewed from the moving direction.

２つの剛性部材１ｒは、それぞれ板状の部材であって、対向方向に離隔して配置されている。したがって、連結部１２における対向方向に２つの剛性部材１ｒに挟まれた中領域１２ｘは、弾性部材で構成されている。２つの剛性部材１ｒは、それぞれ、接着剤等によって弾性部材１ｅの表面に固定されており、ワイパー１の前面に露出している。 Each of the two rigid members 1r is a plate-like member, and is disposed so as to be separated in the facing direction. Therefore, the middle region 12x sandwiched between the two rigid members 1r in the opposing direction in the connecting portion 12 is formed of an elastic member. The two rigid members 1r are respectively fixed to the surface of the elastic member 1e by an adhesive or the like, and are exposed on the front surface of the wiper 1.

つまり、ワイパー１の前面は、中領域１２ｘとリップ部１ａを含む周縁部分とが弾性部材１ｅで構成されており、それ以外の部分は剛性部材１ｒで構成されている。ワイパー１の後面は、全体が弾性部材１ｅで構成されている。中領域１２ｘは、ワイパー１の厚み方向全体において、弾性部材１ｅで構成されている。 That is, the front surface of the wiper 1 includes the middle region 12x and the peripheral portion including the lip portion 1a formed of the elastic member 1e, and the other portion includes the rigid member 1r. The entire rear surface of the wiper 1 is composed of an elastic member 1e. The middle region 12x is composed of the elastic member 1e in the entire thickness direction of the wiper 1.

弾性部材１ｅ及び２つの剛性部材１ｒには、それぞれ、ボルト孔１５が貫通して設けられている。ボルトは、ワイパー１の前面からボルト孔１５に挿入される。 Bolt holes 15 are provided through the elastic member 1e and the two rigid members 1r, respectively. The bolt is inserted into the bolt hole 15 from the front surface of the wiper 1.

中領域１２ｘの幅（２つの剛性部材１ｒにおける対向方向の間隔）Ｇは、２つの対向部１１の対向面１１ａ間の距離（本実施形態の場合は、特に、当該距離の最大値及び最小値Ｄ）、弾性部材１ｅを構成する材料の特性（硬度、曲げやねじりに対する剛性等）、弾性部材１ｅの形状や寸法から定まる弾性部材１ｅの曲げやねじり等の弾性変形のし易さ、等に応じて決定してよい。 The width (interval in the opposing direction of the two rigid members 1r) G of the middle region 12x is the distance between the opposing surfaces 11a of the two opposing parts 11 (in the case of this embodiment, in particular, the maximum value and the minimum value of the distance). D), characteristics of the material constituting the elastic member 1e (hardness, rigidity against bending and torsion, etc.), ease of elastic deformation such as bending and torsion of the elastic member 1e determined from the shape and dimensions of the elastic member 1e, etc. It may be decided accordingly.

なお、２つの対向部１１の対向面１１ａ間の距離の最小値Ｄは、２つの対向部１１の凸部１１ｘの先端面間の距離である。 In addition, the minimum value D of the distance between the opposing surfaces 11a of the two opposing parts 11 is the distance between the front end surfaces of the convex parts 11x of the two opposing parts 11.

弾性部材１ｅの硬さは、デュロメータＡ硬さ（ＪＩＳＫ６２５３（２０１２）準拠のタイプＡデュロメーター（ゴム硬さ計）により測定した値）で７５〜９０であることが好ましい。弾性部材１ｅの硬さがデュロメータＡ硬さで７５より低い場合、リップ部１ａの先端１ａ１の耐摩耗性が悪化する問題、軌道面２ａに飛散した切り粉によるリップ部１ａの裂け、欠け、捲れ等の損傷が生じ易くなる問題、グリスや切削油の付着によりリップ部１ａが膨潤し易くなり、ワイプ性能（ワイパー１における軌道面２ａ上の異物を除去する性能）や、ワイパー１の耐摩耗性・耐損傷性等の耐久性が悪化する問題等が生じ得る。弾性部材１ｅの硬さがデュロメータＡ硬さで９０より高い場合、弾性部材１ｅの曲げやねじりに対する剛性が大きくなり過ぎて、ワイパー１をレール２に対して着脱する作業が困難になり得る。 The hardness of the elastic member 1e is preferably 75 to 90 in terms of durometer A hardness (a value measured by a type A durometer (rubber hardness meter) compliant with JIS K6253 (2012)). When the hardness of the elastic member 1e is less than 75 in durometer A hardness, there is a problem that the wear resistance of the tip 1a1 of the lip portion 1a is deteriorated, and the lip portion 1a is torn, chipped, or curled due to chips scattered on the raceway surface 2a. The lip portion 1a easily swells due to adhesion of grease or cutting oil, wipe performance (performance of removing foreign matter on the track surface 2a in the wiper 1), and wear resistance of the wiper 1. -Problems such as deterioration of durability such as damage resistance may occur. When the hardness of the elastic member 1e is higher than 90 in durometer A hardness, the rigidity of the elastic member 1e with respect to bending or twisting becomes too large, and the operation of attaching / detaching the wiper 1 to / from the rail 2 may be difficult.

ワイパー１を製造するには、例えば、先ず、２つの剛性部材１ｒを下型のキャビティ内に配置し、その上に弾性部材１ｅとなる未加硫ゴムシートを配置した後、下型のキャビティに対応するキャビティを有する上型を、下型に対して組み付けて、型閉めする。そして、加熱・加圧を所定時間行い、未加硫ゴムシートを加硫して得られた成形体を脱型することで、ワイパー１が完成する。 In order to manufacture the wiper 1, for example, first, the two rigid members 1r are disposed in the cavity of the lower mold, and an unvulcanized rubber sheet to be the elastic member 1e is disposed on the rigid member 1r. The upper mold having the corresponding cavity is assembled to the lower mold and the mold is closed. And the wiper 1 is completed by performing heating and pressurizing for a predetermined time and removing the molded product obtained by vulcanizing the unvulcanized rubber sheet.

次いで、ワイパー１をレール２から取り外す作業について説明する。 Next, an operation for removing the wiper 1 from the rail 2 will be described.

作業者は、先ず、各ボルト孔１５からボルトを抜き取り、ワイパー１を可動体３から分離させる。作業者は、次に、例えば両手の指先を用いて、ワイパー１をレール２上に保持した状態で、図４に示すように、２つの対向部１１に前後方向（「移動方向」及び「厚み方向」と同じ方向）の偶力（即ち、一方（図４の右側）の対向部１１に前方の力、他方（図４の左側）の対向部１１に後方（ワイパー１の前面から後面に向かう方向）の力）を加える。すると、中領域１２ｘにおける対向方向の一方側と他方側とに前後方向に反対方向の曲げ応力（一方側に前方の曲げ応力、他方側に後方の曲げ応力）が生じ、中領域１２ｘが弾性変形する。これにより、２つの対向部１１の先端（高さ方向に連結部１２から離隔した端部）近傍が前後方向に互いに離隔し、対向面１１ａ間の距離の最小値Ｄが外力付与前（図２（ｄ）参照）よりも大きくなる。 The operator first removes the bolt from each bolt hole 15 and separates the wiper 1 from the movable body 3. Next, for example, using the fingertips of both hands, the operator holds the wiper 1 on the rail 2 and moves the two opposing portions 11 in the front-rear direction (“movement direction” and “thickness” as shown in FIG. Direction (the same direction as the direction)) (i.e., a forward force on one (right side in FIG. 4) facing portion 11 and a rear (left side in FIG. 4) facing portion 11 rearward (from the front surface to the rear surface of wiper 1). (Direction) force). Then, bending stresses in opposite directions in the front-rear direction (front bending stress on one side and rear bending stress on the other side) are generated on one side and the other side in the opposite direction in the middle region 12x, and the middle region 12x is elastically deformed. To do. As a result, the vicinity of the tips of the two opposing portions 11 (the end portions separated from the coupling portion 12 in the height direction) are separated from each other in the front-rear direction, and the minimum value D of the distance between the opposing surfaces 11a is before applying an external force (FIG. 2). (See (d)).

このとき、２つの対向部１１の先端近傍の前後方向の離隔量は、弾性部材１ｅの材料特性（硬度、曲げ剛性等）、中領域１２ｘの形状や寸法から定まる中領域１２ｘの曲げ弾性変形のし易さ、等に応じて、中領域１２ｘの弾性限度内で、適宜決定してよい。 At this time, the distance in the front-rear direction near the tips of the two opposing portions 11 is the bending elastic deformation of the middle region 12x determined from the material properties (hardness, bending rigidity, etc.) of the elastic member 1e and the shape and dimensions of the middle region 12x. It may be determined as appropriate within the elastic limit of the middle region 12x according to ease of operation.

作業者は、その後、２つの対向部１１の先端近傍が前後方向に互いに離隔した状態を保持したまま、図５に示すように、２つの対向部１１の凸部１１ｘ（特に、リップ部１ａ）に前後方向（一方に前方、他方に後方）のひねりを加える。すると、中領域１２ｘにおける対向方向の一方側と他方側とに前後方向に反対方向のねじり応力が生じ、さらに当該ねじり応力に伴って、連結部１２のリップ部１ａ近傍に対向方向の引張力が生じ、中領域１２ｘが弾性変形する。これにより、２つの対向部１１の先端近傍（特に、凸部１１ｘ）は、前後方向及び対向方向に互いにさらに離隔し、対向面１１ａ間の距離の最小値Ｄがひねりを加える前（図４参照）よりも大きくなる。 Thereafter, the operator maintains the state where the tips of the two opposing portions 11 are separated from each other in the front-rear direction, as shown in FIG. 5, and the convex portions 11x of the two opposing portions 11 (particularly, the lip portion 1a). Add a twist in the fore-and-aft direction (front on one side and rear on the other). Then, a torsional stress in the opposite direction occurs in the front-rear direction on one side and the other side in the opposite direction in the middle region 12x, and a tensile force in the opposite direction is generated in the vicinity of the lip portion 1a of the connecting portion 12 along with the torsional stress. As a result, the middle region 12x is elastically deformed. As a result, the vicinity of the tips of the two opposing portions 11 (particularly, the convex portion 11x) is further separated from each other in the front-rear direction and the opposing direction, and before the minimum value D of the distance between the opposing surfaces 11a is twisted (see FIG. 4). ).

なお、図４の第１段階から図５の第２段階に移行する過程において、作業者は、２つの対向部１１の先端近傍（特に、凸部１１ｘ）のリップ部１ａを、レール２の凹部２ｙに強く押し付ける。これにより、一方の対向部１１の先端近傍（特に、凸部１１ｘ）のリップ部１ａは、後面がレール２の側面に圧接され、他方の対向部１１の先端近傍（特に、凸部１１ｘ）のリップ部１ａは、前面がレール２の側面に圧接される。 In the process of shifting from the first stage in FIG. 4 to the second stage in FIG. 5, the operator applies the lip 1 a in the vicinity of the tips of the two opposing portions 11 (particularly, the convex portion 11 x) to the concave portion of the rail 2. Press strongly against 2y. As a result, the lip portion 1a in the vicinity of the tip of the one opposing portion 11 (particularly, the convex portion 11x) has the rear surface pressed against the side surface of the rail 2, and the vicinity of the tip of the other opposing portion 11 (particularly, the convex portion 11x). The front surface of the lip 1 a is pressed against the side surface of the rail 2.

図５の第２段階で、ワイパー１のレール２に対する着脱方向（移動方向と交差する方向。以下、単に「着脱方向」という。）を高さ方向とした場合に、高さ方向と直交する方向における対向面１１ａ間の距離の最小値Ｄが高さ方向と直交する方向における軌道面２ａの最大幅Ｗよりも大きい場合、作業者は、高さ方向に沿ってワイパー１をレール２から取り外すことができる。 In the second stage of FIG. 5, the direction perpendicular to the height direction when the attachment / detachment direction of the wiper 1 with respect to the rail 2 (direction intersecting the movement direction; hereinafter simply referred to as “attachment / detachment direction”) is defined as the height direction. When the minimum value D of the distance between the opposing surfaces 11a is larger than the maximum width W of the track surface 2a in the direction orthogonal to the height direction, the operator removes the wiper 1 from the rail 2 along the height direction. Can do.

一方、図５の第２段階で、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄが着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗ以下の場合、作業者は、例えば両手の指先を用いて、２つの対向部１１にひねりを加えた状態（図５に示すように、最小値Ｄを形成する各対向面１１ａの点を結ぶ直線が、対向方向と交差した状態）を保持して、対向面１１ａ間の距離の最小値Ｄを維持しつつ、ワイパー１のレール２に対する方向や位置を変化させる。これにより、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄが着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗよりも大きくなると、作業者は、着脱方向（高さ方向）に沿ってワイパー１をレール２から取り外すことができる。 On the other hand, in the second stage of FIG. 5, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attachment / detachment direction (height direction) is the maximum of the track surface 2a in the direction orthogonal to the attachment / detachment direction (height direction). In the case of a large W or less, the operator uses, for example, the fingertips of both hands to twist the two facing portions 11 (as shown in FIG. 5, the point on each facing surface 11a that forms the minimum value D). The direction and position of the wiper 1 with respect to the rail 2 are changed while maintaining the minimum value D of the distance between the opposed surfaces 11a while maintaining the state where the connecting straight line intersects the opposed direction. Thereby, when the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attachment / detachment direction (height direction) is larger than the maximum width W of the track surface 2a in the direction orthogonal to the attachment / detachment direction (height direction), The operator can remove the wiper 1 from the rail 2 along the attaching / detaching direction (height direction).

なお、中領域１２ｘの弾性等にもよるが、図５の第２段階で、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄが着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗ以下であっても、作業者は、着脱方向（高さ方向）に沿ってワイパー１をレール２から取り外してよい。 Although depending on the elasticity of the middle region 12x, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attaching / detaching direction (height direction) is the attaching / detaching direction (height direction) in the second stage of FIG. The operator may remove the wiper 1 from the rail 2 along the attaching / detaching direction (height direction) even if the width is equal to or less than the maximum width W of the raceway surface 2a in the direction orthogonal to.

レール２から取り外されたワイパー１は、中領域１２ｘの自己弾性回復力により、即座に、レール２から取り外される前と同様のフラットな状態（図２参照）に戻る。リップ部１ａの損傷の有無等を点検し、使用可能と判断されれば、レール２から取り外されたワイパー１を、再度レール２に取り付けて使用することも可能である。 The wiper 1 removed from the rail 2 immediately returns to the same flat state (see FIG. 2) as before being removed from the rail 2 by the self-elastic recovery force of the middle region 12x. If the lip portion 1a is checked for damage or the like, and it is determined that it can be used, the wiper 1 removed from the rail 2 can be attached to the rail 2 again and used.

次いで、ワイパー１をレール２に取り付ける作業について説明する。 Next, an operation for attaching the wiper 1 to the rail 2 will be described.

作業者は、先ず、例えば両手の指先を用いて、図４に示すように、２つの対向部１１に前後方向の偶力（即ち、一方（図４の右側）の対向部１１に前方の力、他方（図４の左側）の対向部１１に後方（ワイパー１の前面から後面に向かう方向）の力）を加える。すると、中領域１２ｘにおける対向方向の一方側と他方側とに前後方向に反対方向の曲げ応力（一方側に前方の曲げ応力、他方側に後方の曲げ応力）が生じ、中領域１２ｘが弾性変形する。これにより、２つの対向部１１の先端（高さ方向に連結部１２から離隔した端部）近傍が前後方向に互いに離隔し、対向面１１ａ間の距離の最小値Ｄが外力付与前（図２（ｄ）参照）よりも大きくなる。 First, the operator uses, for example, the fingertips of both hands, as shown in FIG. 4, the front / rear direction couple (that is, the right side in FIG. 4) Then, a backward force (a direction from the front surface to the rear surface of the wiper 1) is applied to the other facing portion 11 (left side in FIG. 4). Then, bending stresses in opposite directions in the front-rear direction (front bending stress on one side and rear bending stress on the other side) are generated on one side and the other side in the opposite direction in the middle region 12x, and the middle region 12x is elastically deformed. To do. As a result, the vicinity of the tips of the two opposing portions 11 (the end portions separated from the coupling portion 12 in the height direction) are separated from each other in the front-rear direction, and the minimum value D of the distance between the opposing surfaces 11a is before applying an external force (FIG. 2). (See (d)).

図５の第２段階で、着脱方向を高さ方向とした場合に、高さ方向と直交する方向における対向面１１ａ間の距離の最小値Ｄが高さ方向と直交する方向における軌道面２ａの最大幅Ｗよりも大きい場合、作業者は、着脱方向に沿ってワイパー１をレール２に取り付けることができる。 In the second stage of FIG. 5, when the attaching / detaching direction is the height direction, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the height direction is the track surface 2a in the direction orthogonal to the height direction. When larger than the maximum width W, the operator can attach the wiper 1 to the rail 2 along the attaching / detaching direction.

一方、図５の第２段階で、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄが着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗ以下の場合、作業者は、例えば両手の指先を用いて、２つの対向部１１にひねりを加えた状態（図５に示すように、最小値Ｄを形成する各対向面１１ａの点を結ぶ直線が、対向方向と交差した状態）を保持して、対向面１１ａ間の距離の最小値Ｄを維持しつつ、ワイパー１のレール２に対する方向や位置を変化させる。これにより、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄが着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗよりも大きくなると、作業者は、着脱方向（高さ方向）に沿ってワイパー１をレール２に取り付けることができる。 On the other hand, in the second stage of FIG. 5, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attachment / detachment direction (height direction) is the maximum of the track surface 2a in the direction orthogonal to the attachment / detachment direction (height direction). In the case of a large W or less, the operator uses, for example, the fingertips of both hands to twist the two facing portions 11 (as shown in FIG. 5, the point on each facing surface 11a that forms the minimum value D). The direction and position of the wiper 1 with respect to the rail 2 are changed while maintaining the minimum value D of the distance between the opposed surfaces 11a while maintaining the state where the connecting straight line intersects the opposed direction. Thereby, when the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attachment / detachment direction (height direction) is larger than the maximum width W of the track surface 2a in the direction orthogonal to the attachment / detachment direction (height direction), The operator can attach the wiper 1 to the rail 2 along the attaching / detaching direction (height direction).

なお、中領域１２ｘの弾性等にもよるが、図５の第２段階で、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄが着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗ以下であっても、作業者は、着脱方向（高さ方向）に沿ってワイパー１をレール２に取り付けてよい。 Although depending on the elasticity of the middle region 12x, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attaching / detaching direction (height direction) is the attaching / detaching direction (height direction) in the second stage of FIG. The operator may attach the wiper 1 to the rail 2 along the attachment / detachment direction (height direction) even if the width is equal to or less than the maximum width W of the raceway surface 2a in the direction orthogonal to.

レール２に取り付けられたワイパー１は、中領域１２ｘの自己弾性回復力により、即座に、レール２に取り付けられる前と同様のフラットな状態（図２参照）に戻る。その後、作業者は、各ボルト孔１５にボルトを挿入し、各ボルトを締め付けて、ワイパー１を可動体３に固定する。 The wiper 1 attached to the rail 2 immediately returns to the same flat state (see FIG. 2) as before being attached to the rail 2 due to the self-elastic recovery force of the middle region 12x. Thereafter, the operator inserts bolts into the respective bolt holes 15, tightens the respective bolts, and fixes the wiper 1 to the movable body 3.

以上に述べたように、本実施形態によれば、２つの剛性部材１ｒが対向方向に離隔して配置され、連結部１２における対向方向に２つの剛性部材１ｒに挟まれた中領域１２ｘが弾性部材１ｅで構成されている。そのため、中領域１２ｘを弾性変形させることによって、２つの対向部１１の対向面１１ａ間の距離を大きくし、凸部１１ｘ及び凹部１１ｙと軌道面２ａの凹部２ｙ及び凸部２ｘとの係合を解除することができる。したがって、本実施形態に係るワイパー１は、弾性部材１ｅと剛性部材１ｒとを含む構成において、レール２の軌道面２ａと係合する係合部（凸部１１ｘ及び凹部１１ｙ）が形成されている場合においても、レール２に対して移動方向と交差する方向に容易に着脱することができる。 As described above, according to the present embodiment, the two rigid members 1r are spaced apart in the opposing direction, and the middle region 12x sandwiched between the two rigid members 1r in the opposing direction in the connecting portion 12 is elastic. It is comprised by the member 1e. Therefore, by elastically deforming the middle region 12x, the distance between the opposing surfaces 11a of the two opposing portions 11 is increased, and the engagement between the convex portions 11x and the concave portions 11y and the concave portions 2y and the convex portions 2x of the raceway surface 2a is achieved. It can be canceled. Therefore, the wiper 1 according to the present embodiment has an engagement portion (a convex portion 11x and a concave portion 11y) that engages with the raceway surface 2a of the rail 2 in a configuration including the elastic member 1e and the rigid member 1r. Even in the case, it can be easily attached to and detached from the rail 2 in the direction intersecting the moving direction.

２つの剛性部材１ｒは、それぞれ、ワイパー１を可動体３に固定するための固定部材（ボルト）が取り付けられる取付部（ボルト孔１５）を構成している。
上記構成によれば、固定部材（ボルト）の取り付けに係る力に耐えることができ、ワイパー１を可動体３に強固に固定することができる。 Each of the two rigid members 1r constitutes an attachment portion (bolt hole 15) to which a fixing member (bolt) for fixing the wiper 1 to the movable body 3 is attached.
According to the above configuration, it is possible to withstand the force related to the attachment of the fixing member (bolt), and the wiper 1 can be firmly fixed to the movable body 3.

続いて、図６を参照し、本発明の第２実施形態について説明する。 Subsequently, a second embodiment of the present invention will be described with reference to FIG.

本発明の第２実施形態に係るワイパー１０１は、中領域１２ｘに欠損部１２ｘａが設けられている点において第１実施形態のワイパー１と異なり、それ以外は第１実施形態のワイパー１と同じ構成である。 The wiper 101 according to the second embodiment of the present invention is different from the wiper 1 of the first embodiment in that a defect portion 12xa is provided in the middle region 12x, and the other configurations are the same as the wiper 1 of the first embodiment. It is.

欠損部１２ｘａは、連結部１２における空間１３とは反対側の面に形成された、曲面状の凹部である。当該凹部は、移動方向から見て、空間１３に向けて凸となる円弧形状である。円弧形状の頂点は、中領域１２ｘの高さ方向の略半分の位置にある。 The missing portion 12xa is a curved concave portion formed on the surface of the connecting portion 12 opposite to the space 13. The concave portion has an arc shape that is convex toward the space 13 when viewed from the moving direction. The apex of the arc shape is at approximately half the height of the middle region 12x.

以上に述べたように、本実施形態によれば、第１実施形態と同様の構成による同様の効果に加え、下記の効果が得られる。 As described above, according to the present embodiment, the following effects can be obtained in addition to the same effects by the same configuration as that of the first embodiment.

中領域１２ｘに欠損部１２ｘａが設けられている。
上記構成によれば、欠損部１２ｘａがない場合に比べ、中領域１２ｘをより弾性変形させ易くなる。したがって、ワイパー１０１をレール２に対して移動方向と交差する方向により容易に着脱することができる。 A defect portion 12xa is provided in the middle region 12x.
According to the said structure, compared with the case where there is no defect | deletion part 12xa, it becomes easier to elastically deform the middle region 12x. Therefore, the wiper 101 can be easily attached to and detached from the rail 2 in the direction intersecting the moving direction.

欠損部１２ｘａは、連結部１２における空間１３とは反対側の面に形成された、曲面状の凹部である。
上記構成によれば、中領域１２ｘを弾性変形させたときに欠損部１２ｘａを始点として弾性部材１ｅが裂けることを抑制することができる。 The missing portion 12xa is a curved concave portion formed on the surface of the connecting portion 12 opposite to the space 13.
According to the above configuration, when the middle region 12x is elastically deformed, it is possible to suppress the elastic member 1e from being split starting from the missing portion 12xa.

続いて、本発明の実施例１、２及び比較例に係るワイパーを用いて行った、レールに対する着脱動作について説明する。 Then, the attachment / detachment operation | movement with respect to a rail performed using the wiper which concerns on Example 1, 2 of this invention and a comparative example is demonstrated.

実施例１のワイパーは、第１実施形態のワイパー１と同様の構成である。実施例２のワイパーは、第２実施形態のワイパー１０１と同様の構成である。比較例のワイパーは、第１実施形態のワイパー１において剛性部材１ｒを分離させずに中領域１２ｘにも配置した構成（図７のワイパー５０１のように、弾性部材１ｅの表面におけるリップ部１ａを除く略全域に１つの剛性部材１ｒが接合された構成）である。 The wiper of Example 1 has the same configuration as the wiper 1 of the first embodiment. The wiper of Example 2 has the same configuration as the wiper 101 of the second embodiment. The wiper of the comparative example has a configuration in which the rigid member 1r is not separated in the wiper 1 of the first embodiment and is also disposed in the middle region 12x (like the wiper 501 in FIG. 7), the lip portion 1a on the surface of the elastic member 1e is arranged. The configuration is such that one rigid member 1r is joined to substantially the whole area except for the above.

＜実施例１、２及び比較例に共通の構成＞
・レール２：リニアガイド用のレール（日本精工社製の型番「ＨＳＲ２０Ａ」）を用い、水平面に沿って延在するように固定した。
・弾性部材１ｅ：ニトリルゴムを含むゴム組成物（ゴム配合は、ＮＢＲ１００質量部、ＦＥＦカーボンブラック５０質量部、プロセスオイル１０質量部、硫黄２．５質量部、加硫促進剤１．５質量部）で構成され、デュロメータＡ硬さで８０のものを用いた。
・剛性部材１ｒ：厚さ２ｍｍの冷間圧延鋼板の表面に亜鉛メッキを施したものを用いた。
・弾性部材１ｅと剛性部材１ｒとの接合：接着剤（ロード社製の商品名「ケムロック２０５」）を用いた。
・リップ部１ａの幅と溝１ｂの幅との計：４ｍｍ
・ワイパー１の厚み：５ｍｍ
・軌道面２ａの最大幅Ｗ：対向面１１ａ間の距離の最小値Ｄの約１．５倍 <Configuration common to Examples 1 and 2 and Comparative Example>
Rail 2: A linear guide rail (manufactured by Nippon Seiko Co., Ltd., model number “HSR20A”) was used so as to extend along a horizontal plane.
Elastic member 1e: rubber composition containing nitrile rubber (rubber blended: NBR 100 parts by weight, FEF carbon black 50 parts by weight, process oil 10 parts by weight, sulfur 2.5 parts by weight, vulcanization accelerator 1.5 parts by weight ), And a durometer A hardness of 80 was used.
-Rigid member 1r: A cold rolled steel sheet having a thickness of 2 mm and having a galvanized surface was used.
Bonding of the elastic member 1e and the rigid member 1r: An adhesive (trade name “Chemlock 205” manufactured by Lord Corporation) was used.
・ Total of the width of the lip 1a and the width of the groove 1b: 4 mm
・ Thickness of wiper 1: 5 mm
The maximum width W of the raceway surface 2a: about 1.5 times the minimum value D of the distance between the opposing surfaces 11a

＜実施例１、２に共通の構成＞
・中領域１２ｘの移動方向から見た形状（実施例２では、欠損部１２ｘａを形成する前）：正方形（実施例２では、欠損部１２ｘａを構成する凹部における円弧形状の頂点を、当該正方形の対角線の交点とした。）
・中領域１２ｘの幅Ｇ：ワイパー１の幅の約２５％、連結部１２のリップ部１ａの幅の約３分の２
・中領域１２ｘの高さ：ワイパー１の高さの約４０％
・中領域１２ｘの厚み：５ｍｍ（ワイパー１の厚みと同じ） <Configuration common to Examples 1 and 2>
-Shape seen from the moving direction of the middle region 12x (in Example 2, before forming the defect 12xa): square (in Example 2, the apex of the arc shape in the concave portion forming the defect 12xa is (It was the intersection of diagonal lines.)
The width G of the middle region 12x: about 25% of the width of the wiper 1 and about two thirds of the width of the lip 1a of the connecting portion 12
-Height of the middle region 12x: about 40% of the height of the wiper 1
-Thickness of the middle region 12x: 5 mm (same as the thickness of the wiper 1)

＜実施例１の取り外し作業＞
第１実施形態で述べた方法で、実施例１のワイパーをレールから取り外した。図４の第１段階（ひねりを加える前）において、対向面１１ａ間の距離の最小値Ｄは、外力付与前（図２（ｄ）参照）よりも約５％大きくなった。図５の第２段階（ひねりを加えた状態）において、対向面１１ａ間の距離の最小値Ｄは、ひねりを加える前（図４参照）よりも約４０％大きくなった（したがって、外力付与前（図２（ｄ）参照）よりも約４５％大きくなった）。 <Removal of Example 1>
The wiper of Example 1 was removed from the rail by the method described in the first embodiment. In the first stage of FIG. 4 (before adding a twist), the minimum value D of the distance between the opposed surfaces 11a is about 5% larger than that before applying an external force (see FIG. 2D). In the second stage of FIG. 5 (a state in which a twist is added), the minimum value D of the distance between the opposing surfaces 11a is about 40% larger than before the twist is applied (see FIG. 4) (therefore, before applying an external force). (It was about 45% larger than that shown in FIG. 2 (d)).

図５の第２段階で、着脱方向を高さ方向とした場合に、高さ方向と直交する方向における対向面１１ａ間の距離の最小値Ｄは高さ方向と直交する方向における軌道面２ａの最大幅Ｗ（外力付与前の最小値Ｄよりも約５０％大きい値）よりも若干小さかった。そのため、図８〜図１０に示すように、２つの対向部１１にひねりを加えた状態（図５の第２段階の状態）を保持して、対向面１１ａ間の距離の最小値Ｄを維持しつつ、ワイパー１のレール２に対する方向や位置を変化させることにより、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄを着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗよりも大きくして、着脱方向（高さ方向）に沿ってワイパー１をレール２から取り外した。 In the second stage of FIG. 5, when the attaching / detaching direction is the height direction, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the height direction is the value of the track surface 2a in the direction orthogonal to the height direction. It was slightly smaller than the maximum width W (a value about 50% larger than the minimum value D before applying external force). Therefore, as shown in FIGS. 8 to 10, the minimum value D of the distance between the opposing surfaces 11 a is maintained while maintaining the state where the two opposing portions 11 are twisted (the second stage state in FIG. 5). However, by changing the direction and position of the wiper 1 relative to the rail 2, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attachment / detachment direction (height direction) is orthogonal to the attachment / detachment direction (height direction). The wiper 1 was removed from the rail 2 along the attachment / detachment direction (height direction) with the maximum width W of the raceway surface 2a in the direction to be removed.

具体的には、先ず、図８に示すように、最小値Ｄを形成する各対向面１１ａの点を結ぶ直線の対向方向に対する角度θを、約０°から約１５°とした。これにより、着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗは、対向方向における軌道面２ａの最大幅よりも約２％小さくなった。このとき、一方（図８の右側）の対向部１１の先端近傍（特に、凸部１１ｘ）のリップ部１ａは、後面が凸部２ｘに圧接され、他方（図８の左側）の対向部１１の先端近傍（特に、凸部１１ｘ）のリップ部１ａは、前面が凹部２ｙに圧接されていた。また、このとき、他方の対向部１１の先端近傍は、溝１ｂがなくなるように変形していた。しかし、この段階でも、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄは、着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗよりも若干小さかった。そのため、着脱方向（高さ方向）に沿ってワイパー１をレール２から取り外そうとしたとき、他方の対向部１１の先端近傍（特に、凸部１１ｘ）がレール２の凸部２ｘに引っ掛かった。 Specifically, first, as shown in FIG. 8, the angle θ with respect to the opposing direction of the straight line connecting the points of the opposing surfaces 11a forming the minimum value D was set from about 0 ° to about 15 °. As a result, the maximum width W of the track surface 2a in the direction orthogonal to the attaching / detaching direction (height direction) is about 2% smaller than the maximum width of the track surface 2a in the facing direction. At this time, the lip portion 1a in the vicinity (particularly, the convex portion 11x) of one (right side in FIG. 8) of the opposing portion 11 has the rear surface pressed against the convex portion 2x and the other (left side in FIG. 8) opposing portion 11. The front surface of the lip portion 1a in the vicinity of the tip (particularly, the convex portion 11x) was pressed against the concave portion 2y. At this time, the vicinity of the tip of the other facing portion 11 is deformed so that the groove 1b is eliminated. However, even at this stage, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attachment / detachment direction (height direction) is greater than the maximum width W of the track surface 2a in the direction orthogonal to the attachment / detachment direction (height direction). Was also slightly smaller. Therefore, when trying to remove the wiper 1 from the rail 2 along the attaching / detaching direction (height direction), the vicinity of the tip of the other facing portion 11 (particularly, the convex portion 11x) is caught by the convex portion 2x of the rail 2. .

そこで、次に、他方（図９の左側）の対向部１１の先端近傍（特に、凸部１１ｘ）をレール２の凸部２ｘに接触させた状態で、その接触点を支点にワイパー１を図９で反時計回りに５°回転させて、θ＝約２０°とし、一方（図９の右側）の対向部１１の先端近傍（特に、凸部１１ｘ）とレール２との間に隙間を生じさせた。このとき、θを増加させた分、着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗは、図８のときよりも約２％小さくなった。しかしながら、この段階でも、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄは、着脱方向（高さ方向）と直交する方向における軌道面２ａの最大幅Ｗよりも若干小さかった。 Therefore, next, the wiper 1 is illustrated with the contact point as a fulcrum in a state where the vicinity (particularly, the convex portion 11x) of the other opposing portion 11 (left side in FIG. 9) is in contact with the convex portion 2x of the rail 2. 9 is rotated counterclockwise by 5 ° to θ = about 20 °, and a gap is formed between the vicinity of the tip of the opposing portion 11 (particularly, the convex portion 11x) and the rail 2 on one side (right side in FIG. 9). I let you. At this time, the maximum width W of the track surface 2a in the direction orthogonal to the attaching / detaching direction (height direction) is about 2% smaller than that in FIG. However, even at this stage, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attachment / detachment direction (height direction) is greater than the maximum width W of the track surface 2a in the direction orthogonal to the attachment / detachment direction (height direction). Was also slightly smaller.

そこで、次に、θ＝２０°を維持しつつ、一方（図１０の右側）の対向部１１の先端近傍（特に、凸部１１ｘ）とレール２との間に生じた隙間がゼロになる方向に、最小値Ｄを形成する各対向面１１ａの点を結ぶ直線に沿って、ワイパー１を移動させた。これにより、他方の対向部１１の先端近傍（特に、凸部１１ｘ）がレール２の凸部２ｘに引っ掛かることがなくなり、着脱方向（高さ方向）に沿ってワイパー１をレール２から取り外すことができた。上記のワイパー１の移動時に、一方（図１０の右側）の対向部１１の先端近傍（特に、凸部１１ｘ）を溝１ｂがなくなるまでレール２に圧接させてもよく、また、一方（図１０の右側）の対向部１１の先端近傍（特に、凸部１１ｘ）とレール２との接触点を支点にワイパー１をさらに反時計回りに少し回転させてから、ワイパー１をレール２から取り外すこともできる。 Therefore, next, in the direction in which the gap generated between the vicinity of the tip of the opposing portion 11 (particularly, the convex portion 11x) and the rail 2 becomes zero while maintaining θ = 20 °. Then, the wiper 1 was moved along a straight line connecting the points of the opposing surfaces 11a forming the minimum value D. As a result, the vicinity of the tip of the other opposing portion 11 (particularly, the convex portion 11x) is not caught by the convex portion 2x of the rail 2, and the wiper 1 can be removed from the rail 2 along the attaching / detaching direction (height direction). did it. During the movement of the wiper 1, the vicinity (particularly, the convex portion 11x) of the opposing portion 11 on one side (right side in FIG. 10) may be brought into pressure contact with the rail 2 until the groove 1b disappears. The wiper 1 is further rotated counterclockwise a little at the contact point between the vicinity of the tip of the opposing portion 11 (particularly the convex portion 11x) and the rail 2 on the fulcrum, and the wiper 1 can be removed from the rail 2 it can.

レール２から取り外されたワイパー１は、中領域１２ｘの自己弾性回復力により、即座に、レール２から取り外される前と同様のフラットな状態（図２参照）に戻った。 The wiper 1 removed from the rail 2 immediately returned to the same flat state (see FIG. 2) as before being removed from the rail 2 due to the self-elastic recovery force of the middle region 12x.

＜実施例１の取り付け作業＞
第１実施形態で述べた方法で、実施例１のワイパーをレールに取り付けた。レール２に取り付けられたワイパー１は、中領域１２ｘの自己弾性回復力により、即座に、レール２に取り付けられる前と同様のフラットな状態（図２参照）に戻った。その後、各ボルト孔１５にボルトを挿入し、各ボルトを締め付けて、ワイパー１を可動体３に固定した。 <Installation work of Example 1>
The wiper of Example 1 was attached to the rail by the method described in the first embodiment. The wiper 1 attached to the rail 2 immediately returned to the same flat state (see FIG. 2) as before being attached to the rail 2 due to the self-elastic recovery force of the middle region 12x. Thereafter, a bolt was inserted into each bolt hole 15, and each bolt was tightened to fix the wiper 1 to the movable body 3.

＜実施例２の取り外し作業＞
第１実施形態で述べた方法で、実施例２のワイパーをレールから取り外した。図４の第１段階（ひねりを加える前）において、対向面１１ａ間の距離の最小値Ｄは、外力付与前（図２（ｄ）参照）よりも約５％大きくなった（実施例１と同様）。図５の第２段階（ひねりを加えた状態）において、対向面１１ａ間の距離の最小値Ｄは、外力付与前（図２（ｄ）参照）よりも約５０％大きくなった（実施例１よりも約５％大きくなった）。したがって、実施例２では、実施例１とは異なり、図５の第２段階で、着脱方向（高さ方向）と直交する方向における対向面１１ａ間の距離の最小値Ｄが高さ方向と直交する方向における軌道面２ａの最大幅Ｗよりも大きくなり、着脱方向（高さ方向）に沿ってワイパー１をレール２から取り外すことができた。 <Removal of Example 2>
The wiper of Example 2 was removed from the rail by the method described in the first embodiment. In the first stage of FIG. 4 (before the twist is added), the minimum value D of the distance between the opposing surfaces 11a is about 5% larger than that before the external force is applied (see FIG. 2D) (see Example 1). The same). In the second stage of FIG. 5 (in a state where a twist is added), the minimum value D of the distance between the opposed surfaces 11a is about 50% larger than that before external force is applied (see FIG. 2D) (Example 1). About 5% larger). Therefore, in the second embodiment, unlike the first embodiment, the minimum value D of the distance between the opposing surfaces 11a in the direction orthogonal to the attaching / detaching direction (height direction) is orthogonal to the height direction in the second stage of FIG. Thus, the wiper 1 can be removed from the rail 2 along the attaching / detaching direction (height direction).

＜実施例２の取り付け作業＞
第１実施形態で述べた方法で、実施例２のワイパーをレールに取り付けた。レール２に取り付けられたワイパー１０１は、中領域１２ｘの自己弾性回復力により、即座に、レール２に取り付けられる前と同様のフラットな状態（図６参照）に戻った。その後、各ボルト孔１５にボルトを挿入し、各ボルトを締め付けて、ワイパー１０１を可動体３に固定した。 <Installation work of Example 2>
The wiper of Example 2 was attached to the rail by the method described in the first embodiment. The wiper 101 attached to the rail 2 immediately returned to the same flat state (see FIG. 6) as before being attached to the rail 2 due to the self-elastic recovery force of the middle region 12x. Thereafter, a bolt was inserted into each bolt hole 15, and each bolt was tightened to fix the wiper 101 to the movable body 3.

＜比較例の取り外し作業＞
第１実施形態で述べた方法で、比較例のワイパーをレールから取り外そうとしたが、弾性部材１ｅの表面におけるリップ部１ａを除く略全域に１つの剛性部材１ｒが接合された構成であるため、２つの対向部の対向面間の距離を大きくすることができなかった。そのため、ワイパー５０１を、レール２に対して移動方向と平行な方向に移動させて（即ち、着脱方向をワイパーの高さ方向ではなく移動方向として）、レール２から取り外さなければならず、作業が困難であった。 <Removal work of comparative example>
In the method described in the first embodiment, the wiper of the comparative example was tried to be removed from the rail, but one rigid member 1r is joined to substantially the entire area except the lip portion 1a on the surface of the elastic member 1e. For this reason, the distance between the opposing surfaces of the two opposing portions could not be increased. For this reason, the wiper 501 must be removed from the rail 2 by moving the wiper 501 in a direction parallel to the moving direction with respect to the rail 2 (that is, making the attaching / detaching direction not the height direction of the wiper). It was difficult.

＜比較例の取り付け作業＞
第１実施形態で述べた方法で、比較例のワイパーをレールに取り付けようとしたが、弾性部材１ｅの表面におけるリップ部１ａを除く略全域に１つの剛性部材１ｒが接合された構成であるため、２つの対向部の対向面間の距離を大きくすることができなかった。そのため、ワイパー５０１を、レール２に対して移動方向と平行な方向に移動させて（即ち、着脱方向をワイパーの高さ方向ではなく移動方向として）、レール２に取り付けなければならず、作業が困難であった。 <Attachment work of comparative example>
Although the method described in the first embodiment tried to attach the wiper of the comparative example to the rail, since one rigid member 1r is joined to substantially the entire area except the lip portion 1a on the surface of the elastic member 1e. The distance between the opposing surfaces of the two opposing portions could not be increased. Therefore, the wiper 501 must be attached to the rail 2 by moving the wiper 501 in a direction parallel to the moving direction with respect to the rail 2 (that is, setting the attaching / detaching direction as the moving direction instead of the wiper height direction). It was difficult.

以上、本発明の好適な実施の形態について説明したが、本発明は上述の実施形態に限られるものではなく、特許請求の範囲に記載した限りにおいて様々な設計変更が可能なものである。 The preferred embodiments of the present invention have been described above, but the present invention is not limited to the above-described embodiments, and various design changes can be made as long as they are described in the claims.

・ワイパー（及び可動体）は、レールの軌道面に沿って往復移動することに限定されず、一方向（片道）のみ移動してもよい。
・ワイパーは、可動体の移動方向の両端面に固定されることに限定されず、可動体の移動方向の一方の端面のみに固定されてもよい。
・ワイパーの移動方向から見た形状は、コの字状に限定されず、例えばＨ状であってもよい。
・ワイパーを可動体に固定するための固定部材は、ボルトに限定されず、ネジ等であってもよい。取付部の形態は、固定部材の種類に応じて変更されてよい。
・剛性部材は、取付部を構成しなくてもよい。
・欠損部は、曲面状（移動方向から見て円弧状）の凹部に限定されず、例えば移動方向から見て矩形状やＶ字状の凹部であってもよい。また、欠損部が設けられる部分は、中領域における前記リップ部以外の部分である限りは、中領域におけるリップ部を構成する面とは反対側の面に限定されない。欠損部は、凹部に限定されず、例えば、厚み方向に貫通する貫通孔、凹部と貫通孔との組合せ等であってもよい。 The wiper (and the movable body) is not limited to reciprocating along the rail track surface, and may move only in one direction (one way).
The wiper is not limited to being fixed to both end faces in the moving direction of the movable body, and may be fixed only to one end face in the moving direction of the movable body.
-The shape seen from the moving direction of the wiper is not limited to a U-shape, and may be an H shape, for example.
-The fixing member for fixing a wiper to a movable body is not limited to a volt | bolt, A screw etc. may be sufficient. The form of the attachment portion may be changed according to the type of the fixing member.
-A rigid member does not need to comprise an attaching part.
The defect portion is not limited to a concave portion having a curved surface shape (arc shape when viewed from the moving direction), and may be, for example, a rectangular shape or a V-shaped concave portion when viewed from the moving direction. Moreover, as long as it is a part other than the said lip | rip part in a middle region, the part in which a defect | deletion part is provided is not limited to the surface on the opposite side to the surface which comprises the lip | rip part in a middle region. The defect portion is not limited to the concave portion, and may be, for example, a through hole penetrating in the thickness direction, a combination of the concave portion and the through hole, or the like.

１；１０１ワイパー
１ａリップ部
１ｅ弾性部材
１ｒ剛性部材
１１対向部
１１ａ対向面
１１ｘ凸部（係合部）
１１ｙ凹部（係合部）
１２連結部
１２ｘ中領域
１２ｘａ欠損部（凹部）
１３空間
１５ボルト孔（取付部）
２レール
２ａ軌道面
３可動体
３ａ端面 DESCRIPTION OF SYMBOLS 1; 101 Wiper 1a Lip part 1e Elastic member 1r Rigid member 11 Opposing part 11a Opposing surface 11x Convex part (engaging part)
11y recess (engagement part)
12 connecting part 12x middle region 12xa missing part (recessed part)
13 Space 15 Bolt hole (mounting part)
2 rail 2a raceway surface 3 movable body 3a end surface

Claims

A movable body that moves along the track surface of the rail has a lip portion that is fixed to at least one of both end surfaces in the moving direction with respect to the rail, and that is in sliding contact with the track surface, and the sliding contact between the lip portion and the track surface In the wiper for removing foreign matter on the raceway surface by
A space surrounded by the two opposing portions and the connecting portion, including two opposing portions that face each other in the opposing direction intersecting the moving direction, and a connecting portion that connects the two opposing portions. The rail is arranged on the rail, and the rail is sandwiched from three directions.
The rail of the wiper in a direction intersecting the moving direction and the facing direction on an opposing surface facing the space in at least one of the two facing portions, the engaging portion engaging with the track surface. There is an engaging part that regulates the attachment and detachment from the
An elastic member comprising at least the lip portion and made of an elastic material;
A plurality of rigid members made of a material fixed to the elastic member and having higher rigidity than the elastic material;
The wiper characterized in that the plurality of rigid members are spaced apart from each other in the facing direction, and a middle region sandwiched between the plurality of rigid members in the facing direction in the connecting portion is configured by the elastic member. .

The wiper according to claim 1, wherein a defect portion is provided in the middle region.

The wiper according to claim 2, wherein the defective portion is a curved concave portion formed on a surface of the connecting portion opposite to the space.

The wiper according to any one of claims 1 to 3, wherein each of the plurality of rigid members constitutes an attachment portion to which a fixing member for fixing the wiper to the movable body is attached.