JPH021523Y2 - - Google Patents
Info
- Publication number
- JPH021523Y2 JPH021523Y2 JP14608884U JP14608884U JPH021523Y2 JP H021523 Y2 JPH021523 Y2 JP H021523Y2 JP 14608884 U JP14608884 U JP 14608884U JP 14608884 U JP14608884 U JP 14608884U JP H021523 Y2 JPH021523 Y2 JP H021523Y2
- Authority
- JP
- Japan
- Prior art keywords
- mounting
- groove
- cylinder
- mounting groove
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000012530 fluid Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2892—Means for indicating the position, e.g. end of stroke characterised by the attachment means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Description
【考案の詳細な説明】
(産業上の利用分野)
本考案は、ピストンに設けられた永久磁石に応
動して動作しそれによりピストンのストローク位
置を検出する位置検出器を備えた流体圧シリンダ
に関し、特に位置検出器のシリンダへの取付構造
に関する。[Detailed description of the invention] (Field of industrial application) The present invention relates to a fluid pressure cylinder equipped with a position detector that operates in response to a permanent magnet provided on the piston and thereby detects the stroke position of the piston. In particular, the present invention relates to a structure for mounting a position detector to a cylinder.
(従来技術及びその問題点)
位置検出器を流体圧シリンダに取付けるにあた
つて、従来ではシリンダ本体の外周面に取付用バ
ンドを装着しこのバンドを介して検出器を取付け
るか、あるいはシリンダ本体に装備されているシ
リンダカバー取付用のタイロツド又は検出器取付
用としてシリンダ本体にビス等で装備した取付バ
ーを介して検出器を取付けているが、いずれの場
合においても位置検出器とバンド、タイロツド又
は取付バーとの間に、ブラケツトのような何らか
の中間取付部材を介在させる必要があると共に、
この中間取付部材自体を取付けるためのビス類を
必要とするために、部材点数が多くなつて取付け
作業が非常に面倒であるうえ、外観上の体裁も悪
かつた。(Prior art and its problems) Conventionally, when attaching a position detector to a fluid pressure cylinder, a mounting band is attached to the outer peripheral surface of the cylinder body and the detector is attached via this band, or the detector is attached to the cylinder body. The detector is attached via a tie rod for attaching the cylinder cover that is equipped to the cylinder cover, or a mounting bar that is attached to the cylinder body with screws, etc. for attaching the detector, but in either case, the position detector, band, and tie rod are attached Or, it is necessary to interpose some intermediate mounting member such as a bracket between the mounting bar and the mounting bar.
Since screws and the like are required to attach the intermediate attachment member itself, the number of parts increases, making the attachment work extremely troublesome, and the appearance is also unsightly.
(問題点を解決するための技術的手段)
本考案は上述した従来の問題点を解決すること
を目的としてなされたもので、その技術的手段
は、シリンダ本体の外側面所要部に、外側の幅狭
溝部と内側の幅広溝部とから成る断面略T字状の
取付溝をシリンダ本体軸方向に条設する一方、ピ
ストンに設けられた永久磁石に応動して動作する
検出手段を内蔵していて上記取付溝に係入可能に
形成されたボデイーと、このボデイーに一体連設
されていて上記取付溝の少なくとも幅広溝部に嵌
合可能に形成された取付片と、この取付片に螺入
された固定ねじとから成る位置検出器を備え、し
かして上記位置検出器のボデイーを上記取付溝に
係入すると共に取付片をこの取付溝の幅広溝部に
嵌合して上記固定ねじによりこの取付片を幅広溝
部内面に圧接固定して成ることである。(Technical means for solving the problem) The present invention was made with the aim of solving the above-mentioned conventional problems. A mounting groove with a substantially T-shaped cross section consisting of a narrow groove part and a wide inner groove part is provided in the axial direction of the cylinder body, and a detection means that operates in response to a permanent magnet provided on the piston is built-in. A body formed to be able to fit into the mounting groove, a mounting piece integrally connected to the body and formed to be able to fit into at least the wide groove portion of the mounting groove, and a mounting piece screwed into the mounting piece. The body of the position detector is engaged with the mounting groove, and the mounting piece is fitted into the wide groove of the mounting groove, and the mounting piece is secured by the fixing screw. It is formed by being press-fitted and fixed to the inner surface of the wide groove.
(実施例)
次に本考案の一実施例を第1図〜第4図に基づ
いて説明する。(Example) Next, an example of the present invention will be described based on FIGS. 1 to 4.
これらの図においてAは片ロツドタイプの小型
空気圧シリンダ、BはこのシリンダAに取付けら
れた位置検出器を示している。 In these figures, A indicates a small single-rod type pneumatic cylinder, and B indicates a position detector attached to this cylinder A.
空気圧シリンダAは、ヘツドカバー2が一体に
形成されているアルミ合金製のシリンダ本体1
と、先端部にアルミ合金製のピストン3を備えて
シリンダ本体1のシリンダ穴1aに挿入されたピ
ストンロツド4と、シリンダ穴1aの開口端部に
装着されたロツドカバー5とからなり、ピストン
3のロツド側側面部にはリング状の永久磁石3a
が装着されている。 The pneumatic cylinder A has a cylinder body 1 made of aluminum alloy, into which a head cover 2 is integrally formed.
It consists of a piston rod 4 with an aluminum alloy piston 3 at its tip and inserted into the cylinder hole 1a of the cylinder body 1, and a rod cover 5 attached to the open end of the cylinder hole 1a. A ring-shaped permanent magnet 3a is installed on the side surface.
is installed.
シリンダ本体1は短四角柱状を成していて、そ
の一外側面に、外側の幅狭溝部6aと内側の幅広
溝部6bとから成る断略T字状の取付溝6が、シ
リンダ本体1の軸方向に全長に亘つて条設されて
おり、この取付溝6の幅広溝部6bは第1図及び
第2図で明らかなようにその断面がシリンダ穴1
aと同心的に円弧状に形成されている。また、シ
リンダ本体1にはその内部のロツド側室及びヘツ
ド側室にそれぞれ通じている吸排気ポート7,8
が穿設されている。尚、このシリンダ本体1はア
ルミ合金を例えば押出し加工することによつて一
体形成されたものである。 The cylinder body 1 has a short rectangular prism shape, and a T-shaped mounting groove 6 consisting of an outer narrow groove portion 6a and an inner wide groove portion 6b is formed on one outer side of the cylinder body 1. As is clear from FIGS. 1 and 2, the wide groove portion 6b of the mounting groove 6 has a cross section that is similar to the cylinder hole 1.
It is formed in an arc shape concentrically with a. The cylinder body 1 also has intake and exhaust ports 7 and 8 that communicate with the rod side chamber and the head side chamber, respectively.
is drilled. The cylinder body 1 is integrally formed by extruding an aluminum alloy, for example.
各位置検出器Bは第4図から明らかなように、
シリンダ本体1の取付溝6に係入可能であつて、
その長手方向に沿つて空洞部9aが設けられた略
直方体状のボデイー9と、このボデイー9の空洞
部9aに嵌挿固定されていて、ピストン3に装着
してある永久磁石3aに応動して動作する検出手
段としてのリードスイツチ10と、ボデイー9の
一端部に一体連設されていて、その断面がシリン
ダ本体1のT字状取付溝6の断面形状に対応する
形状に形成されている取付片11と、この取付片
11の一側端部において該取付片の厚み方向に貫
設されているねじ孔12に螺入されるビスなどの
固定ねじ13と、から構成される。上記取付片1
1は上記取付溝6の深さと同じ寸法の厚みを有す
るもので、この取付溝6の幅狭溝部6aに嵌合可
能な幅狭片部11aと、同取付溝6の幅広溝部6
bに嵌合可能な幅広片部11bとから成り、また
上記ボデイー9は取付片11と同様に取付溝6の
深さと同寸法の厚みを有するが、その幅は取付溝
6における幅狭溝部6aの溝幅の1/2より若干狭
くなつている(これは第1図に示す如く2個の検
出器B,Bのボデイー9,9が取付溝6に並列状
態で嵌まり合うようにするためである)。また、
第4図に示すように取付片11を構成している幅
広片部11bの両側突出部11b0,11b0はその
片方の突出部11b0がボデイー9の側縁に沿つて
延設されている。尚、上記ボデイー9と取付片1
1とは適当な合成樹脂によつて一体成形されてい
る。 As is clear from FIG. 4, each position detector B is
can be engaged in the mounting groove 6 of the cylinder body 1,
A substantially rectangular parallelepiped body 9 is provided with a cavity 9a along its longitudinal direction, and is fitted and fixed into the cavity 9a of the body 9, and is responsive to a permanent magnet 3a attached to the piston 3. A reed switch 10 as an operating detection means is integrally connected to one end of the body 9, and its cross section is formed in a shape corresponding to the cross-sectional shape of the T-shaped mounting groove 6 of the cylinder body 1. It consists of a piece 11 and a fixing screw 13 such as a screw that is screwed into a screw hole 12 extending through the thickness of the attachment piece at one end of the attachment piece 11. Above mounting piece 1
Reference numeral 1 has the same thickness as the depth of the mounting groove 6, and includes a narrow piece portion 11a that can fit into the narrow groove portion 6a of the mounting groove 6, and a wide groove portion 6 of the mounting groove 6.
Similarly to the mounting piece 11, the body 9 has a thickness that is the same as the depth of the mounting groove 6, but its width is larger than that of the narrow groove part 6a in the mounting groove 6. (This is so that the bodies 9, 9 of the two detectors B and B fit into the mounting groove 6 in parallel, as shown in Figure 1.) ). Also,
As shown in FIG. 4, one of the protrusions 11b 0 and 11b 0 on both sides of the wide piece 11b constituting the mounting piece 11 extends along the side edge of the body 9. . In addition, the above body 9 and mounting piece 1
1 is integrally molded from a suitable synthetic resin.
上記位置検出器Bの取付けにあたつては、第1
図に示すように、2個の位置検出器B,Bを互い
に逆向きの状態で取付溝6に嵌め入れ、この取付
溝6に嵌合した双方の取付片11,11をこの取
付溝6に沿つて対向方向に摺動させつつ、双方の
ボデイー9,9を横向きに相隣り合つた状態に位
置させる。そしてかかる状態から、各取付片11
のねじ孔12に固定ねじ13を螺入してこのねじ
13の先端が取付溝6の底面に接当するまでねじ
込む。そして更にこのねじ13を締め込むと、第
2図で示されるように各取付片11における幅広
片部11bの両側突出部11b0,11b0が取付溝
6における幅広溝部6bと幅狭溝部6aとの境界
段部に圧接され、それによつて各位置検出器Bが
取付溝6の定位置に固定されることになる。 When installing the above position detector B, the first
As shown in the figure, the two position detectors B, B are fitted into the mounting groove 6 in opposite directions, and both mounting pieces 11, 11 fitted into the mounting groove 6 are inserted into the mounting groove 6. While sliding the bodies 9 in opposite directions along the body, both bodies 9, 9 are positioned sideways next to each other. From this state, each mounting piece 11
Screw the fixing screw 13 into the screw hole 12 until the tip of the screw 13 comes into contact with the bottom surface of the mounting groove 6. When this screw 13 is further tightened, as shown in FIG. , and thereby each position detector B is fixed at a fixed position in the mounting groove 6.
前記各リードスイツチ10にはリード線10a
が接続されており、これによつて所要の結線が行
えるようになつている。また、前記永久磁石3a
は、ピストン3のロツド側側面に当接した状態で
ピストンロツド4に個定リング14を介して固定
された支持リング15に取着されており、この永
久磁石3aの磁力によつてリードスイツチ10を
作動させるようになつている。したがつて、位置
検出器Bをシリンダ本体1の所要位置に取付けて
おくことによつて、ピストン3のストローク位置
の検出を行うことができる。 Each reed switch 10 has a lead wire 10a.
are connected to each other, so that the required connections can be made. Moreover, the permanent magnet 3a
is attached to a support ring 15 that is fixed to the piston rod 4 via an individual ring 14 while in contact with the side surface of the rod side of the piston 3, and the reed switch 10 is moved by the magnetic force of this permanent magnet 3a. It's starting to work. Therefore, by attaching the position detector B at a required position on the cylinder body 1, the stroke position of the piston 3 can be detected.
図中16はシリンダAにおけるロツドカバー固
定用割リング、17はクツシヨンリングを示す。 In the figure, 16 indicates a split ring for fixing the rod cover in cylinder A, and 17 indicates a cushion ring.
上述した実施例によれば、各位置検出器Bの外
側面がシリンダ本体1の外側面と面一の状態とな
つて位置検出器B全体が取付溝6内に完全に埋入
されるため、外観上の体裁が非常に良くなる。ま
た、位置検出器Bの構造からして2個の位置検出
器B,Bを、1つの取付溝6内にそのスペースを
有効に利用して取付けることができる利点があ
る。 According to the embodiment described above, the outer surface of each position detector B is flush with the outer surface of the cylinder body 1, and the entire position detector B is completely embedded in the mounting groove 6. The appearance will be much better. Further, due to the structure of the position detector B, there is an advantage that two position detectors B, B can be mounted in one mounting groove 6 by effectively utilizing the space thereof.
以上の実施例では、シリンダ本体1の外側面に
1つの取付溝6を設けているが、この取付溝6は
必要に応じて複数併設してもよい。また、シリン
ダ本体1は本実施例では四角柱状としているが、
円筒形や六角柱等の多角柱状のシリンダ本体を用
いてもよい。 In the above embodiment, one attachment groove 6 is provided on the outer surface of the cylinder body 1, but a plurality of attachment grooves 6 may be provided as necessary. Furthermore, although the cylinder body 1 is shaped like a square prism in this embodiment,
A cylinder body having a polygonal column shape such as a cylinder or a hexagonal column may be used.
また本実施例のシリンダは、シリンダ穴の径及
びストロークが比較的小さいものであるため、ヘ
ツトカバーをシリンダ本体と一体に形成しそして
吸排気ポートをシリンダ本体に設けているが、シ
リンダ穴径、ストロークが比較的大きいシリンダ
にあつてはシリンダ本体を独立のものとしてこの
両端にヘツトカバー及びロツトカバーを個別に取
付けるようにすればよく、またこの場合吸排気ポ
ートはヘツトカバー及びロツトカバーに設けるこ
とができる。 Furthermore, since the cylinder of this example has a relatively small diameter and stroke of the cylinder hole, the head cover is formed integrally with the cylinder body and the intake and exhaust ports are provided in the cylinder body. In the case of a relatively large cylinder, the cylinder body may be made independent and a head cover and a rod cover may be separately attached to both ends of the cylinder body, and in this case, the intake and exhaust ports may be provided on the head cover and the rod cover.
更に本実施例では取付片6の断面形状をシリン
ダ本体1の取付溝6の断面形状(略T字状)と対
応する形状と成して、取付片6全体を取付溝6に
嵌合させるようにしているが、この取付片6を前
述の幅広片部11bのみから構成してこの幅広片
部11bのみを取付片6の幅広溝部6bに嵌合さ
せるようにしてもよいわけである。またボデイー
9は必ずしも本実施例のように取付溝6内に完全
に埋入させる必要がなく、シリンダ本体1の外側
面から多少突出させるようにしてもよい。 Furthermore, in this embodiment, the cross-sectional shape of the mounting piece 6 is made to correspond to the cross-sectional shape (substantially T-shaped) of the mounting groove 6 of the cylinder body 1, so that the entire mounting piece 6 is fitted into the mounting groove 6. However, the mounting piece 6 may be composed only of the aforementioned wide piece portion 11b, and only this wide piece portion 11b may be fitted into the wide groove portion 6b of the mounting piece 6. Further, the body 9 does not necessarily have to be completely embedded in the mounting groove 6 as in this embodiment, but may be made to protrude somewhat from the outer surface of the cylinder body 1.
(考案の効果)
本考案によれば、位置検出器を取付けるための
特別なバンドや取付バーが不要となつて検出器の
取付けが容易となり、しかも取付溝をシリンダ本
体の外側面に凹設しているためシリンダ本体の材
料を有効に利用できると共に、シリンダ本体の外
面に取付けられた位置検出器の嵩張り、出つ張り
をできるだけ少なくすることができて外観上の体
裁を良くすることができる。また本考案によれ
ば、位置検出器自体に取付片を一体に形成してい
るため、従来のようにブラケツト等の中間取付部
材が一切不要であり、しかも取付けにあたり固定
ねじを締付けるだけでよいから、従来のものに比
べて部材点数が少なく、位置検出器の取付け作業
が非常に簡単にしかも迅速に行える。(Effects of the invention) According to the invention, there is no need for a special band or mounting bar for mounting the position detector, making it easier to mount the detector.Moreover, the mounting groove is recessed in the outer surface of the cylinder body. Therefore, the material of the cylinder body can be used effectively, and the bulk and protrusion of the position detector attached to the outer surface of the cylinder body can be minimized, making it possible to improve the appearance. . Furthermore, according to the present invention, since the mounting piece is integrally formed on the position detector itself, there is no need for any intermediate mounting members such as brackets as in the conventional case, and all that is required for mounting is tightening the fixing screw. , the number of parts is smaller than that of the conventional one, and the work of installing the position detector can be done very easily and quickly.
第1図は本考案の実施例を示す位置検出器付き
流体圧シリンダの外観斜視図、第2図は同上のシ
リンダの一部断面側面図、第3図は同上のシリン
ダの一部断面正面図、第4図は同上のシリンダに
おける位置検出器の一部断面斜視図である。
A……流体圧シリンダ、B……位置検出器、1
……シリンダ本体、3a……永久磁石、6……取
付溝、6a……幅狭溝部、6b……幅広溝部、9
……ボデイー、10……リードスイツチ(検出手
段)、11……取付片、12……ねじ孔、13…
…固定ねじ。
Fig. 1 is an external perspective view of a fluid pressure cylinder with a position detector showing an embodiment of the present invention, Fig. 2 is a partially sectional side view of the same cylinder, and Fig. 3 is a partially sectional front view of the same cylinder. , FIG. 4 is a partially cross-sectional perspective view of the position detector in the same cylinder. A...Fluid pressure cylinder, B...Position detector, 1
...Cylinder body, 3a...Permanent magnet, 6...Mounting groove, 6a...Narrow groove part, 6b...Wide groove part, 9
...Body, 10...Reed switch (detection means), 11...Mounting piece, 12...Screw hole, 13...
...Fixing screw.
Claims (1)
部と内側の幅広溝部とから成る断面略T字状の取
付溝をシリンダ本体軸方向に条設する一方、ピス
トンに設けられた永久磁石に応動して動作する検
出手段を内蔵していて上記取付溝に係入可能に形
成されたボデイーと、このボデイーに一体連設さ
れていて上記取付溝の少なくとも幅広溝部に嵌合
可能に形成された取付片と、この取付片に螺入さ
れた固定ねじとから成る位置検出器を備え、しか
して上記位置検出器のボデイーを上記取付溝に係
入すると共に取付片をこの取付溝の幅広溝部に嵌
合して上記固定ねじによりこの取付片を幅広溝部
内面に圧接固定して成る位置検出器付き流体圧シ
リンダ。 A mounting groove with a roughly T-shaped cross section consisting of an outer narrow groove part and an inner wide groove part is provided in a required part of the outer surface of the cylinder body in the axial direction of the cylinder body. a body that incorporates a detection means that operates as a sensor and is formed so as to be able to fit into the mounting groove, and a mounting that is integrally connected to the body and formed so that it can fit into at least the wide groove portion of the mounting groove. and a fixing screw screwed into the mounting piece, and the body of the position detector is engaged with the mounting groove, and the mounting piece is fitted into the wide groove of the mounting groove. A fluid pressure cylinder with a position detector, in which the mounting piece is press-fitted and fixed to the inner surface of the wide groove by the fixing screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14608884U JPH021523Y2 (en) | 1984-09-27 | 1984-09-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14608884U JPH021523Y2 (en) | 1984-09-27 | 1984-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6159905U JPS6159905U (en) | 1986-04-22 |
JPH021523Y2 true JPH021523Y2 (en) | 1990-01-16 |
Family
ID=30704330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14608884U Expired JPH021523Y2 (en) | 1984-09-27 | 1984-09-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH021523Y2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0425526Y2 (en) * | 1985-05-10 | 1992-06-18 | ||
JPH087123Y2 (en) * | 1989-07-21 | 1996-03-04 | 株式会社コガネイ | Position detection sensor mounting structure |
JPH0743458Y2 (en) * | 1990-01-10 | 1995-10-09 | エスエムシー株式会社 | Fluid pressure cylinder with magnetic proximity switch |
JP2575053Y2 (en) * | 1991-03-14 | 1998-06-25 | 黒田精工株式会社 | Cylinder device |
ATE524667T1 (en) * | 2007-02-23 | 2011-09-15 | Schaeffler Technologies Gmbh | SLAVE CYLINDER WITH DISTANCE MEASUREMENT DEVICE |
JP6085844B2 (en) * | 2015-07-02 | 2017-03-01 | Smc株式会社 | Oscillating actuator with position detector |
-
1984
- 1984-09-27 JP JP14608884U patent/JPH021523Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6159905U (en) | 1986-04-22 |
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