JP2018111163A - Sealant attachment jig - Google Patents

Sealant attachment jig Download PDF

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JP2018111163A
JP2018111163A JP2017003536A JP2017003536A JP2018111163A JP 2018111163 A JP2018111163 A JP 2018111163A JP 2017003536 A JP2017003536 A JP 2017003536A JP 2017003536 A JP2017003536 A JP 2017003536A JP 2018111163 A JP2018111163 A JP 2018111163A
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jig
sealing material
hollow inner
wall surface
end side
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JP6795984B2 (en
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彰 上田
Akira Ueda
彰 上田
純一 山下
Junichi Yamashita
純一 山下
謙一 ▲高▼橋
謙一 ▲高▼橋
Kenichi Takahashi
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Nippon Valqua Industries Ltd
Nihon Valqua Kogyo KK
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Nippon Valqua Industries Ltd
Nihon Valqua Kogyo KK
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Abstract

PROBLEM TO BE SOLVED: To provide a sealant attachment jig capable of being easily attached when attached in an annular groove provided in the inner wall of a rod head.SOLUTION: A sealant attachment jig comprises a guide jig 100 and a push-in jig 200, where a hollow inner wall face 120 has a shape of narrowing from one end side to the other end side; further, a projection amount of an inward projecting plate-like guide wall 130 from the hollow inner wall face 120 is so provided as to become gradually larger from one end side to the other end side. The push-in jig 200 is so provided as to extend from one face of a discoidal push-in plate and comprises: a pair of slide walls, pushed in along both side faces of the guide walls 130 when the sealant 20 is pushed in to the side of the rod head 40; and a push-in member so provided as to extend from one face of the push-in plate and so pushed in as to be elastically deformable inward along the holle inner wall face 120 when the sealant 20 is pushed in to the side of the rod head 40.SELECTED DRAWING: Figure 7

Description

この発明は、シール材装着用治具の構造に関する。   The present invention relates to the structure of a sealing material mounting jig.

ロッドヘッドが摺動する筒状の内周壁を有するロッドヘッドにおいては、内周壁に設けられた半径方向の外側に凹む環状溝に、種々のシール材が装着されており、内周壁とロッドヘッドとの摺動面において、外部と内部と環境を隔離して、外部からダスト等の外部への混入、または、内部から外部への摺動油等の漏出を防止している。このようなシール材は、たとえば、特開２０１６−０４５０６８号公報（特許文献１）および特開２００９−２５７３７６号公報（特許文献２）に開示されている。   In the rod head having a cylindrical inner peripheral wall on which the rod head slides, various sealing materials are mounted in an annular groove recessed in the radial direction provided on the inner peripheral wall, and the inner peripheral wall, the rod head, In the sliding surface, the outside and the inside are separated from each other to prevent the dust from entering the outside or the leakage of the sliding oil from the inside to the outside. Such a sealing material is disclosed by Unexamined-Japanese-Patent No. 2006-045068 (patent document 1) and Unexamined-Japanese-Patent No. 2009-257376 (patent document 2), for example.

特開２０１６−０４５０６８号公報JP, 2006-045068, A 特開２００９−２５７３７６号公報JP 2009-257376 A

このようなシール材を、ロッドヘッドの内周壁に設けられた環状溝に装着する場合には、通常環状溝は、ロッドヘッドの軸方向の内部に設けられており、手作業でシール材を変形させながら装着する必要があり、決して作業効率が良いものとは言えなかった。   When such a sealing material is mounted in an annular groove provided on the inner peripheral wall of the rod head, the annular groove is usually provided in the axial direction of the rod head, and the sealing material is deformed manually. It was not possible to say that the work efficiency was good.

この発明の目的は、上記の課題を解決することにあり、シール材を、ロッドヘッドの内周壁に設けられた環状溝に装着する場合に、容易に装着することが可能な構成を備える、シール材装着用治具を提供することにある。   An object of the present invention is to solve the above-described problems, and a seal having a configuration that can be easily mounted when the sealing material is mounted in an annular groove provided on the inner peripheral wall of the rod head. The object is to provide a material mounting jig.

このシール材装着用治具は、内部に軸方向に延びる筒状の内周壁に設けられた半径方向の外側に凹む環状溝を有するロッドヘッドに、円環状の弾性変形可能なシール材を装着する際に用いられる、シール材装着用治具であって、以下の構成を備える。   This sealing material mounting jig mounts an annular elastically deformable sealing material on a rod head having an annular groove recessed outward in the radial direction provided in a cylindrical inner peripheral wall extending in the axial direction. This is a sealing material mounting jig used at the time, and has the following configuration.

当該シール材装着用治具は、上記ロッドヘッドに装着される中空内壁面を有する円筒状のガイド治具と、上記ガイド治具の上記中空内壁面に沿って上記シール材を上記ロッドヘッド側に押し込む押込み治具と、を備える。   The sealing material mounting jig includes a cylindrical guide jig having a hollow inner wall surface mounted on the rod head, and the sealing material is disposed on the rod head side along the hollow inner wall surface of the guide jig. A pushing jig for pushing in.

上記ガイド治具の上記中空内壁面は、上記中空内壁面の一方端側の開口直径が、上記シール材の外径直径と略同一に設けられ、上記中空内壁面の他方端側の開口直径が、上記環状溝の内周側直径と略同一またはそれ以下となるように設けられることで、上記中空内壁面の一方端側から他方端側に向けて窄む形状を有し、上記ガイド治具の上記中空内壁面には、軸方向に沿って半径方向の内側に向って突出する板状のガイド壁が設けられており、上記ガイド壁の上記中空内壁面からの突出量は、一方端側から他方端側に向けて徐々に大きくなるように設けられている。   The hollow inner wall surface of the guide jig has an opening diameter on one end side of the hollow inner wall surface substantially the same as an outer diameter diameter of the sealing material, and an opening diameter on the other end side of the hollow inner wall surface. The guide jig has a shape that is narrowed from one end side to the other end side of the hollow inner wall surface by being provided so as to be substantially equal to or less than the inner peripheral side diameter of the annular groove. The hollow inner wall surface is provided with a plate-shaped guide wall that protrudes radially inward along the axial direction. The amount of protrusion of the guide wall from the hollow inner wall surface is on one end side. Is provided so as to gradually increase toward the other end.

上記押込み治具は、盤状の押込みプレートと、上記押込みプレートの一方面から延びるように設けられ、上記シール材の上記ロッドヘッド側への押し込み時に、上記ガイド壁の両側面に沿って押入れられる一対のスライド壁と、上記押込みプレートの一方面から延びるように設けられ、上記シール材の上記ロッドヘッド側への押し込み時に上記中空内壁面に沿って内側に弾性変形可能なように押入れられる押込み部材と、を備える。   The pushing jig is provided so as to extend from a plate-like pushing plate and one surface of the pushing plate, and is pushed along both side surfaces of the guide wall when the sealing material is pushed into the rod head side. A pair of slide walls and a pushing member provided so as to extend from one side of the pushing plate, and pushed into the inside of the hollow inner wall so as to be elastically deformable when the sealing material is pushed into the rod head side. And comprising.

他の形態では、上記押込み部材は、上記一対のスライド壁を半径方向の両側から挟む位置において、一対に設けられている。   In another form, the pushing member is provided in a pair at a position sandwiching the pair of slide walls from both sides in the radial direction.

このシール材装着用治具によれば、シール材を、ロッドヘッドの内周壁に設けられた環状溝に装着する場合に、容易に装着することが可能な構成を備える、シール材装着用治具の提供を可能とする。   According to this sealing material mounting jig, the sealing material mounting jig has a configuration that can be easily mounted when the sealing material is mounted in the annular groove provided on the inner peripheral wall of the rod head. Can be provided.

ロッドヘッドとシール材との関係を示す斜視図である。It is a perspective view which shows the relationship between a rod head and a sealing material. ロッドヘッドとシール材との関係を示す縦断面図である。It is a longitudinal cross-sectional view which shows the relationship between a rod head and a sealing material. 実施の形態におけるシール材装着用治具のガイド治具の断面図であり、図４中のＩＩＩ−ＩＩＩ線矢視断面に相当する図である。It is sectional drawing of the guide jig of the jig | tool for sealing material mounting in embodiment, and is a figure corresponded in the III-III line | wire arrow cross section in FIG. 実施の形態におけるシール材装着用治具のガイド治具の平面図である。It is a top view of the guide jig of the jig | tool for sealing material mounting in embodiment. 実施の形態におけるシール材装着用治具の押込み治具の斜視図である。It is a perspective view of the pushing jig | tool of the jig | tool for sealing material mounting in embodiment. 図５中ＶＩ−ＶＩ線矢視断面図である。FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 5. 実施の形態におけるシール材装着用治具のガイド治具および押し治具を用いた、シール材のロッドヘッドへの装着状態を示す縦断面図である。It is a longitudinal cross-sectional view which shows the mounting state to the rod head of the sealing material using the guide jig and pushing jig | tool of the sealing material installation jig | tool in embodiment. シール材のガイド治具に対する初期位置状態の平面図である。It is a top view of the initial position state with respect to the guide jig of a sealing material. シール材のガイド治具に対する最終位置状態の平面図である。It is a top view of the final position state with respect to the guide jig of a sealing material.

本発明に基づいた実施の形態におけるシール材装着用治具について、以下、図を参照しながら説明する。なお、以下に説明する実施の形態において、個数、量などに言及する場合、特に記載がある場合を除き、本発明の範囲は必ずしもその個数、量などに限定されない。また、同一の部品、相当部品に対しては、同一の参照番号を付し、重複する説明は繰り返さない場合がある。   A sealing material mounting jig according to an embodiment of the present invention will be described below with reference to the drawings. Note that in the embodiments described below, when referring to the number, amount, and the like, the scope of the present invention is not necessarily limited to the number, amount, and the like unless otherwise specified. The same parts and corresponding parts are denoted by the same reference numerals, and redundant description may not be repeated.

（シール材２０、ロッドヘッド４０）
図１および図２を参照して、シール材２０とロッドヘッド４０との関係を示す。図１は、シール材２０とロッドヘッド４０との関係を示す斜視図、図２は、ロッドヘッド４０とシール材２０との関係を示す縦断面図である。 (Sealing material 20, rod head 40)
With reference to FIG. 1 and FIG. 2, the relationship between the sealing material 20 and the rod head 40 is shown. FIG. 1 is a perspective view showing the relationship between the sealing material 20 and the rod head 40, and FIG. 2 is a longitudinal sectional view showing the relationship between the rod head 40 and the sealing material 20.

弾性部材からなるシール材２０は、円環状の形状を有し、天然ゴム、合成ゴム、樹脂ゴム等が用いられることで、形状を一次的に変形させることができる。本実施の形態においては、断面形状が略Ｕ字形状のシール材２０を示しているが、シール材２０の断面形状には様々なものが用いられ、Ｕ字形状に限定されるものではない。   The sealing material 20 made of an elastic member has an annular shape, and the shape can be temporarily deformed by using natural rubber, synthetic rubber, resin rubber, or the like. In the present embodiment, the sealing material 20 having a substantially U-shaped cross-section is shown. However, various cross-sectional shapes of the sealing material 20 are used, and the shape is not limited to the U-shape.

ロッドヘッド４０は、内部に軸方向に延びる筒状の内周壁４２に設けられた半径方向の外側に凹む環状溝４２ｈを有する。この環状溝４２ｈの底面４２ｈ１の直径と、シール材２０の外径直径とは、略同一またはシール材２０の方が若干大きく設けられている。よって、環状溝４２ｈにシール材２０を装着するためには、内周壁４２の直径寸法よりもシール材２０の外径寸法が一旦小さくなるようにシール材２０を変形させる必要がある。   The rod head 40 has an annular groove 42h that is recessed in the radially outer side provided in a cylindrical inner peripheral wall 42 that extends in the axial direction. The diameter of the bottom surface 42h1 of the annular groove 42h and the outer diameter of the sealing material 20 are substantially the same or the sealing material 20 is slightly larger. Therefore, in order to attach the sealing material 20 to the annular groove 42h, it is necessary to deform the sealing material 20 so that the outer diameter of the sealing material 20 is once smaller than the diameter of the inner peripheral wall 42.

（シール材装着用治具）
図３から図６を参照して、シール材装着用治具の構造について説明する。図３は、シール材装着用治具のガイド治具１００の断面図であり、図４中のＩＩＩ−ＩＩＩ線矢視断面に相当する図、図４は、シール材装着用治具のガイド治具１００を示す平面図、図５は、シール材装着用治具の押込み治具２００を示す斜視図、図６は、図５中ＶＩ−ＶＩ線矢視断面図である。 (Jig for mounting sealing material)
With reference to FIGS. 3 to 6, the structure of the sealing material mounting jig will be described. FIG. 3 is a cross-sectional view of the guide jig 100 of the seal material mounting jig, corresponding to the cross section taken along line III-III in FIG. 4, and FIG. 5 is a plan view showing the tool 100, FIG. 5 is a perspective view showing the pushing jig 200 of the jig for attaching the sealing material, and FIG. 6 is a cross-sectional view taken along line VI-VI in FIG.

（ガイド治具１００）
図３および図４を参照して、ガイド治具１００の構成について説明する。ガイド治具１００は、ロッドヘッド４０の一方端側に装着される中空内壁面１２０を有する円筒状の形態を有している。ガイド治具１００の中空内壁面１２０は、その一方端側から他方端側に向けて窄む円錐型の形状を有している。 (Guide jig 100)
The configuration of the guide jig 100 will be described with reference to FIGS. 3 and 4. The guide jig 100 has a cylindrical shape having a hollow inner wall surface 120 attached to one end side of the rod head 40. The hollow inner wall surface 120 of the guide jig 100 has a conical shape that narrows from one end side toward the other end side.

より具体的には、中空内壁面１２０の一方端側の開口直径が、シール材２０の外径直径と略同一に設けられ、中空内壁面１２０の他方端側の開口直径が、環状溝４２ｈの内周側直径（図２中のφＤ１）と略同一またはそれ以下となるように設けられることで、中空内壁面１２０の一方端側から他方端側に向けて窄む円錐型の形状となる。   More specifically, the opening diameter on one end side of the hollow inner wall surface 120 is provided substantially the same as the outer diameter diameter of the sealing material 20, and the opening diameter on the other end side of the hollow inner wall surface 120 is equal to that of the annular groove 42 h. By being provided so as to be substantially equal to or less than the inner peripheral diameter (φD1 in FIG. 2), the hollow inner wall surface 120 has a conical shape that narrows from one end side toward the other end side.

本実施の形態の中空内壁面１２０には、環状溝４２ｈの近傍の内周壁４２を覆う延在部１２０ｈが設けられている。この延在部１２０ｈは、必須の構成ではないが、環状溝４２ｈにシール材２０を円滑に装着する点は設けられていることが好ましい。   The hollow inner wall surface 120 of the present embodiment is provided with an extending portion 120h that covers the inner peripheral wall 42 in the vicinity of the annular groove 42h. Although this extending part 120h is not an essential configuration, it is preferable that a point for smoothly mounting the sealing material 20 in the annular groove 42h is provided.

ガイド治具１００の中空内壁面１２０には、その軸方向に沿って半径方向の内側に向って突出する板状のガイド壁１３０が設けられている。このガイド壁１３０の中空内壁面１２０からの突出量は、一方端側から他方端側に向けて徐々に大きくなるように設けられている。したがって、ガイド壁１３０の半径方向の内側の端部は、徐々に傾斜するテーパ形状となる。   The hollow inner wall surface 120 of the guide jig 100 is provided with a plate-shaped guide wall 130 that protrudes radially inward along the axial direction. The protrusion amount of the guide wall 130 from the hollow inner wall surface 120 is provided so as to gradually increase from one end side to the other end side. Therefore, the radially inner end portion of the guide wall 130 has a gradually tapered shape.

ガイド壁１３０の他方端側に治する下端部の最大突出量は、中空内壁面１２０の他方端側の最小内壁とガイド壁１３０の先端との間の隙間（図４中のＳ）が、シール材２０の厚さの２倍以上あれば良い。これは、後の図９で説明するように、この隙間部分をシール材２０が折り畳まれた状態で通過する必要があるからである。   The maximum protrusion amount of the lower end portion cured on the other end side of the guide wall 130 is determined by the gap between the smallest inner wall on the other end side of the hollow inner wall surface 120 and the tip end of the guide wall 130 (S in FIG. 4). What is necessary is just to be twice or more the thickness of the material 20. This is because, as will be described later with reference to FIG. 9, it is necessary to pass through this gap portion in a state where the sealing material 20 is folded.

（押込み治具２００）
次に、図５および図６を参照して、押込み治具２００の構成について説明する。押込み治具２００は、盤状の押込みプレート２１０と、この押込みプレート２１０の一方面から延びるように設けられたスライド壁２３０と、押込みプレート２１０の一方面（図示において下面）から延びるように設けられた押込み部材２２０と、を備える。 (Pushing jig 200)
Next, the configuration of the pushing jig 200 will be described with reference to FIGS. 5 and 6. The pushing jig 200 is provided so as to extend from a plate-like pushing plate 210, a slide wall 230 provided so as to extend from one surface of the pushing plate 210, and one surface (lower surface in the drawing) of the pushing plate 210. And a pressing member 220.

押込みプレート２１０は剛性を有する所定の厚みを有する。形状は円形形状である必要なく、矩形形状等であってもよい。   The pushing plate 210 has a predetermined thickness having rigidity. The shape need not be a circular shape, and may be a rectangular shape or the like.

スライド壁２３０は、押込みプレート２１０の一方面から延びるように設けられ、シール材２０のロッドヘッド４０側への押し込む時に、ガイド壁１３０の両側面に沿って押入れられるように一対に設けられている。   The slide walls 230 are provided so as to extend from one surface of the push plate 210 and are provided in a pair so as to be pushed along both side surfaces of the guide wall 130 when the seal material 20 is pushed into the rod head 40 side. .

押込み部材２２０は、シール材２０のロッドヘッド４０側への押し込み時に中空内壁面１２０に沿って内側に弾性変形可能なように押入れられる。よって、押込み部材２２０は、弾性変形可能な樹脂材料で構成されているとよい。弾性変形が可能であれば、金属材料でもよい。   The pushing member 220 is pushed in so as to be elastically deformable inward along the hollow inner wall surface 120 when the sealing material 20 is pushed into the rod head 40 side. Therefore, it is preferable that the pushing member 220 is made of an elastically deformable resin material. A metal material may be used as long as elastic deformation is possible.

本実施の形態における押込み部材２２０は、図６に示すように、スライド壁２３０を半径方向の両側から挟む位置において一対に設けられているが、シール材２０のロッドヘッド４０側への押し込み時に中空内壁面１２０に沿って内側に弾性変形可能な形態であれば、たとえば、一対に設けられることなく、略半円形状の部材を用いてもよい。   As shown in FIG. 6, the pushing member 220 in the present embodiment is provided in a pair at a position sandwiching the slide wall 230 from both sides in the radial direction, but is hollow when the sealing material 20 is pushed into the rod head 40 side. As long as it can be elastically deformed inward along the inner wall surface 120, for example, a substantially semicircular member may be used without being provided as a pair.

（シール材２０のロッドヘッド４０への装着）
図７から図９を参照して、シール材装着用治具のガイド治具１００および押込み治具２００を用いた、シール材２０のロッドヘッド４０への装着について説明する。図７は、ガイド治具１００および押込み治具２００を用いた、シール材２０のロッドヘッド４０への装着状態を示す縦断面図、図８および図９は、シール材２０のガイド治具１００に対する初期位置状態および最終位置状態の平面図である。 (Mounting of the sealing material 20 to the rod head 40)
With reference to FIGS. 7 to 9, mounting of the sealing material 20 to the rod head 40 using the guide jig 100 and the pushing jig 200 of the sealing material mounting jig will be described. FIG. 7 is a longitudinal sectional view showing a mounting state of the sealing material 20 to the rod head 40 using the guide jig 100 and the pushing jig 200. FIGS. 8 and 9 show the sealing material 20 with respect to the guide jig 100. It is a top view of an initial position state and a final position state.

図７に示すように、シール材２０をガイド治具１００の一方端側（上端側）に配置し、シール材２０の上側にガイド治具１００を配置する。この初期位置状態においては、図８に示すように、中空内壁面１２０の一方端側において円形状のままでシール材２０が配置される。   As shown in FIG. 7, the sealing material 20 is disposed on one end side (upper end side) of the guide jig 100, and the guide jig 100 is disposed on the upper side of the sealing material 20. In this initial position state, as shown in FIG. 8, the sealing material 20 is arranged in a circular shape on one end side of the hollow inner wall surface 120.

次に、押込み治具２００を他方端（下方側）に向って徐々に押し下げる。これにより、シール材２０は、押込み部材２２０およびスライド壁２３０の先端で押し下げられる。この際に、シール材２０は、中空内壁面１２０およびガイド壁１３０の外表面に沿って変形しながら、他方端（下方側）に押し下げられる。   Next, the pushing jig 200 is gradually pushed down toward the other end (downward side). As a result, the sealing material 20 is pushed down at the ends of the pushing member 220 and the slide wall 230. At this time, the sealing material 20 is pushed down to the other end (downward side) while being deformed along the outer surfaces of the hollow inner wall surface 120 and the guide wall 130.

押込み部材２２０により最も押し下げられたシール材２０は、中空内壁面１２０の最終位置状態では、図９に示すように略ハート型に変形する。その後、押込み部材２２０をさらに押し下げることにより、シール材２０は、ガイド治具１００の最下端位置から突出し、外の拡がろうとする弾性変形に基づき、ロッドヘッド４０の環状溝４２ｈに装着されることとなる。   The seal member 20 most depressed by the pushing member 220 is deformed into a substantially heart shape as shown in FIG. 9 in the final position of the hollow inner wall surface 120. Thereafter, by further pushing down the pushing member 220, the sealing material 20 protrudes from the lowermost position of the guide jig 100, and is mounted in the annular groove 42h of the rod head 40 based on the elastic deformation to expand outside. It becomes.

このように、本実施の形態におけるシール材装着用治具によれば、ガイド治具に沿って押込み治具を押し下げることのみで、容易にシール材をロッドヘッド４０の環状溝４２ｈに装着させることが可能となる。   Thus, according to the sealing material mounting jig in the present embodiment, the sealing material can be easily mounted in the annular groove 42h of the rod head 40 only by pressing down the pressing jig along the guide jig. Is possible.

なお、上記シール材装着用治具の構成において、ガイド治具１００および押込み治具２００は、ロッドヘッド４０の内周壁４２の内径に適合する一意の外形形状であるが、ロッドヘッド４０にも種々の内径を有する種類が存在することから、ガイド治具１００および押込み治具２００に外形寸法を可変とする機構を付加してもよい。これにより、複数種類のロッドヘッド４０に対して一つのガイド治具１００および押込み治具２００で対応することが可能となる。   In the configuration of the sealing material mounting jig described above, the guide jig 100 and the pushing jig 200 have unique outer shapes that match the inner diameter of the inner peripheral wall 42 of the rod head 40. Therefore, a mechanism for changing the outer dimensions of the guide jig 100 and the pushing jig 200 may be added. Thereby, it is possible to deal with a plurality of types of rod heads 40 with one guide jig 100 and push jig 200.

今回開示された実施の形態はすべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は上記した説明ではなくて特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。   The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

２０ シール材、４０ ロッドヘッド、４２ 内周壁、４２ｈ 環状溝、４２ｈ１ 底面、１００ ガイド治具、１２０ 中空内壁面、１２０ｈ 延在部、１３０ ガイド壁、２００ 押込み治具、２１０ 押込みプレート、２２０ 押込み部材、２３０ スライド壁。   20 sealing material, 40 rod head, 42 inner peripheral wall, 42h annular groove, 42h1 bottom surface, 100 guide jig, 120 hollow inner wall surface, 120h extension, 130 guide wall, 200 pushing jig, 210 pushing plate, 220 pushing member 230 slide walls.

Claims (2)

内部に軸方向に延びる筒状の内周壁に設けられた半径方向の外側に凹む環状溝を有するロッドヘッドに、円環状の弾性変形可能なシール材を装着する際に用いられる、シール材装着用治具であって、
当該シール材装着用治具は、
前記ロッドヘッドに装着される中空内壁面を有する円筒状のガイド治具と、
前記ガイド治具の前記中空内壁面に沿って前記シール材を前記ロッドヘッド側に押し込む押込み治具と、を備え、
前記ガイド治具の前記中空内壁面は、前記中空内壁面の一方端側の開口直径が、前記シール材の外径直径と略同一に設けられ、前記中空内壁面の他方端側の開口直径が、前記環状溝の内周側直径と略同一またはそれ以下となるように設けられることで、前記中空内壁面の一方端側から他方端側に向けて窄む形状を有し、
前記ガイド治具の前記中空内壁面には、軸方向に沿って半径方向の内側に向って突出する板状のガイド壁が設けられており、
前記ガイド壁の前記中空内壁面からの突出量は、一方端側から他方端側に向けて徐々に大きくなるように設けられており、
前記押込み治具は、
盤状の押込みプレートと、
前記押込みプレートの一方面から延びるように設けられ、前記シール材の前記ロッドヘッド側への押し込み時に、前記ガイド壁の両側面に沿って押入れられる一対のスライド壁と、
前記押込みプレートの一方面から延びるように設けられ、前記シール材の前記ロッドヘッド側への押し込み時に前記中空内壁面に沿って内側に弾性変形可能なように押入れられる押込み部材と、を備える、シール材装着用治具。 For mounting a sealing material used when mounting an annular elastically deformable sealing material on a rod head having an annular groove recessed radially outwardly provided on a cylindrical inner peripheral wall extending in the axial direction. A jig,
The sealing material mounting jig is
A cylindrical guide jig having a hollow inner wall surface attached to the rod head;
A pushing jig for pushing the sealing material into the rod head side along the hollow inner wall surface of the guide jig,
The hollow inner wall surface of the guide jig has an opening diameter on one end side of the hollow inner wall surface that is substantially the same as an outer diameter diameter of the sealing material, and an opening diameter on the other end side of the hollow inner wall surface. In addition, by being provided so as to be substantially the same as or less than the inner peripheral side diameter of the annular groove, it has a shape that narrows from one end side to the other end side of the hollow inner wall surface,
The hollow inner wall surface of the guide jig is provided with a plate-shaped guide wall that protrudes radially inward along the axial direction,
The amount of protrusion of the guide wall from the hollow inner wall surface is provided so as to gradually increase from one end side to the other end side,
The pushing jig is
A board-shaped indentation plate;
A pair of slide walls provided so as to extend from one surface of the push plate, and pushed along the both side surfaces of the guide wall when the seal material is pushed into the rod head side;
A pressing member provided so as to extend from one surface of the pressing plate, and being pressed inward so as to be elastically deformable along the hollow inner wall surface when the sealing material is pressed toward the rod head. Material mounting jig. 前記押込み部材は、前記一対のスライド壁を半径方向の両側から挟む位置において、一対に設けられている、請求項１に記載のシール材装着用治具。   2. The sealing material mounting jig according to claim 1, wherein the pressing member is provided in a pair at a position where the pair of slide walls are sandwiched from both sides in the radial direction.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018202605A (en) * 2017-05-30 2018-12-27 センサータ テクノロジーズ インコーポレーテッド Washer fixation method and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4989554U (en) * 1972-11-22 1974-08-02
US4719684A (en) * 1986-09-30 1988-01-19 The Boeing Company Apparatus for inserting seals into internal grooves of valve bores
JPH0392223A (en) * 1989-09-05 1991-04-17 Nok Corp Bush press-fitting device and bush press-fitting method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4989554U (en) * 1972-11-22 1974-08-02
US4719684A (en) * 1986-09-30 1988-01-19 The Boeing Company Apparatus for inserting seals into internal grooves of valve bores
JPH0392223A (en) * 1989-09-05 1991-04-17 Nok Corp Bush press-fitting device and bush press-fitting method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018202605A (en) * 2017-05-30 2018-12-27 センサータ テクノロジーズ インコーポレーテッド Washer fixation method and system
JP7285627B2 (en) 2017-05-30 2023-06-02 センサータ テクノロジーズ インコーポレーテッド Washer fixing method and system

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