JPH0458603U - - Google Patents
Info
- Publication number
- JPH0458603U JPH0458603U JP10186690U JP10186690U JPH0458603U JP H0458603 U JPH0458603 U JP H0458603U JP 10186690 U JP10186690 U JP 10186690U JP 10186690 U JP10186690 U JP 10186690U JP H0458603 U JPH0458603 U JP H0458603U
- Authority
- JP
- Japan
- Prior art keywords
- end cap
- piston
- piston rod
- cylinder tube
- conductive
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 2
Description
第１図は本考案のシリンダ装置の帯電防止構造
の実施例１であるシリンダ装置を示す断面図、第
２図は実施例１のシリンダ装置の帯電防止構造を
詳細に示す断面図、第３図は本考案のシリンダ装
置の帯電防止構造の実施例２であるシリンダ装置
の要部を示す断面図、第４図は実施例２のシリン
ダ装置の帯電防止構造を詳細に示す正面図、第５
図は本考案のシリンダ装置の帯電防止構造の実施
例３であるシリンダ装置の要部を示す断面図、第
６図は実施例３のシリンダ装置の帯電防止構造を
詳細に示す正面図、第７図は本考案のシリンダ装
置の帯電防止構造の実施例４であるシリンダ装置
の要部を示す断面図である。
１，１ａ，１ｂ，１ｃ……シリンダ装置、２…
…シリンダチユーブ、３……ロツドカバー（エン
ドキヤツプ）、３ａ……貫通孔、３ｂ……嵌合溝
、４……ヘツドカバー（エンドキヤツプ）、５…
…ピストン、６……ピストンロツド、７，７ａ，
７ｂ……導電部材、８，９……給排ポート、１０
……右側流体室、１１……左側流体室、１２……
ピストンパツキン、１３……ロツドパツキン、１
４……鋼球、１５……スプリング（弾性部材）、
１６……ねじ（嵌合部材）、１７……ブラシ、１
８……摺動子、１９……突出部。
FIG. 1 is a sectional view showing a cylinder device which is Embodiment 1 of the antistatic structure of the cylinder device of the present invention, FIG. 2 is a sectional view showing details of the antistatic structure of the cylinder device of Embodiment 1, and FIG. 4 is a sectional view showing the main parts of a cylinder device which is a second embodiment of the antistatic structure for a cylinder device of the present invention, FIG. 4 is a front view showing details of the antistatic structure of the cylinder device according to the second embodiment, and FIG.
Embodiment 3 The figure is a sectional view showing the main parts of a cylinder device which is a third embodiment of the antistatic structure for a cylinder device of the present invention, FIG. 6 is a front view showing the antistatic structure of a cylinder device according to the third embodiment in detail, The figure is a sectional view showing the main parts of a cylinder device which is a fourth embodiment of the antistatic structure for a cylinder device of the present invention. 1, 1a, 1b, 1c... cylinder device, 2...
...Cylinder tube, 3... Rod cover (end cap), 3a... Through hole, 3b... Fitting groove, 4... Head cover (end cap), 5...
...Piston, 6...Piston rod, 7, 7a,
7b... Conductive member, 8, 9... Supply/discharge port, 10
...Right fluid chamber, 11...Left fluid chamber, 12...
Piston Patsukin, 13... Rod Patsukin, 1
4... Steel ball, 15... Spring (elastic member),
16...Screw (fitting member), 17...Brush, 1
8...Slider, 19...Protrusion.
Claims (1)
ピストンと、該ピストンに固定されて少なくとも
一端側がエンドキヤツプを貫通してシリンダチユ
ーブ外に突出されるピストンロツドとを備え、少
なくとも前記ピストンロツドおよび前記エンドキ
ヤツプまたは前記シリンダチユーブが導電性材料
により形成され、前記ピストンロツドまたは前記
シリンダチユーブが導電部材を介して前記エンド
キヤツプに点接触されることを特徴とするシリン
ダ装置の帯電防止構造。 ２ 前記エンドキヤツプに径方向に貫通される貫
通孔が形成され、該貫通孔に装着される導電性の
鋼球と、該鋼球が導電性の弾性部材を介して前記
ピストンロツドに点接触される導電性の嵌合部材
とを備え、前記ピストンロツドが前記鋼球、弾性
部材および嵌合部材を介して前記エンドキヤツプ
に点接触されることを特徴とする請求項１記載の
シリンダ装置の帯電防止構造。 ３ 前記エンドキヤツプの内周面に嵌合溝が形成
され、該嵌合溝に嵌合されて前記ピストンロツド
に点接触される導電性のブラシを備え、前記ピス
トンロツドが前記ブラシを介して前記エンドキヤ
ツプに点接触されることを特徴とする請求項１記
載のシリンダ装置の帯電防止構造。 ４ 前記シリンダチユーブ、前記ピストンおよび
該ピストンに嵌装されるマグネツトが導電性材料
により形成され、該マグネツトの外周面に配設さ
れて前記シリンダチユーブに点接触される導電性
のブラシを備え、前記ピストンロツドが前記ピス
トン、マグネツト、ブラシ、シリンダチユーブを
介して前記エンドキヤツプに点接触されることを
特徴とする請求項１記載のシリンダ装置の帯電防
止構造。 ５ 前記エンドキヤツプの外周面にワンタツチで
嵌装され、前記ピストンロツドの前記シリンダチ
ユーブ外に突出される突出部に点接触される導電
性の摺動子を備え、前記ピストンロツドが前記摺
動子を介して前記エンドキヤツプに点接触される
ことを特徴とする請求項１記載のシリンダ装置の
帯電防止構造。 ６ シリンダチユーブ内に摺動自在に収納される
ピストンと、該ピストンに固定されて少なくとも
一端側がエンドキヤツプを貫通してシリンダチユ
ーブ外に突出されるピストンロツドとを備え、前
記ピストンと前記シリンダチユーブ、または前記
ピストンロツドと前記エンドキヤツプとの摺動面
に配設されるパツキンが導電性ゴム材とされるこ
とを特徴とするシリンダ装置の帯電防止構造。 ７ シリンダチユーブ内に摺動自在に収納される
ピストンと、該ピストンに固定されて少なくとも
一端側がエンドキヤツプを貫通してシリンダチユ
ーブ外に突出されるピストンロツドとを備え、前
記ピストンと前記シリンダチユーブ、または前記
ピストンロツドと前記エンドキヤツプとの摺動面
に塗布される潤滑油が導電性の潤滑油とされるこ
とを特徴とするシリンダ装置の帯電防止構造。[Claims for Utility Model Registration] 1. A piston that is slidably housed within a cylinder tube, and a piston rod that is fixed to the piston and that has at least one end extending through an end cap and protrudes outside the cylinder tube, Antistatic structure for a cylinder device, characterized in that at least the piston rod and the end cap or the cylinder tube are formed of a conductive material, and the piston rod or the cylinder tube is in point contact with the end cap via a conductive member. . 2. A through hole is formed in the end cap in a radial direction, and a conductive steel ball is attached to the through hole, and the steel ball is brought into point contact with the piston rod via a conductive elastic member. 2. The antistatic structure for a cylinder device according to claim 1, further comprising a conductive fitting member, wherein the piston rod is brought into point contact with the end cap via the steel ball, the elastic member, and the fitting member. . 3. A fitting groove is formed in the inner peripheral surface of the end cap, and a conductive brush is fitted in the fitting groove and brought into point contact with the piston rod, and the piston rod is connected to the end cap via the brush. 2. The antistatic structure for a cylinder device according to claim 1, wherein the antistatic structure is in point contact with the cylinder device. 4. The cylinder tube, the piston, and the magnet fitted in the piston are made of a conductive material, and include a conductive brush disposed on the outer peripheral surface of the magnet and brought into point contact with the cylinder tube, 2. The antistatic structure for a cylinder device according to claim 1, wherein the piston rod is in point contact with the end cap via the piston, magnet, brush, and cylinder tube. 5. A conductive slider is fitted to the outer circumferential surface of the end cap with one touch and is brought into point contact with a protrusion of the piston rod that protrudes outside the cylinder tube, and the piston rod is connected to the slider through the slider. 2. The antistatic structure for a cylinder device according to claim 1, wherein said end cap is brought into point contact with said end cap. 6. A piston that is slidably housed in a cylinder tube, and a piston rod that is fixed to the piston and has at least one end extending through an end cap and protrudes outside the cylinder tube, the piston and the cylinder tube, or An antistatic structure for a cylinder device, characterized in that a packing disposed on a sliding surface between the piston rod and the end cap is made of a conductive rubber material. 7. A piston that is slidably housed in a cylinder tube, and a piston rod that is fixed to the piston and has at least one end extending through an end cap and protrudes outside the cylinder tube, the piston and the cylinder tube, or An antistatic structure for a cylinder device, characterized in that the lubricating oil applied to the sliding surfaces of the piston rod and the end cap is conductive lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101866U JP2534904Y2 (en) | 1990-09-28 | 1990-09-28 | Antistatic structure of cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101866U JP2534904Y2 (en) | 1990-09-28 | 1990-09-28 | Antistatic structure of cylinder device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0458603U true JPH0458603U (en) | 1992-05-20 |
| JP2534904Y2 JP2534904Y2 (en) | 1997-05-07 |
Family
ID=31845657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990101866U Expired - Fee Related JP2534904Y2 (en) | 1990-09-28 | 1990-09-28 | Antistatic structure of cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534904Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015182710A (en) * | 2014-03-26 | 2015-10-22 | 株式会社ショーワ | Trim/tilt device and ship propulsion machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4966140A (en) * | 1972-10-25 | 1974-06-26 | ||
| JPS57171102A (en) * | 1981-03-31 | 1982-10-21 | Fujitsu Ltd | Two-stage action cylinder |
| JPS62242979A (en) * | 1986-04-15 | 1987-10-23 | Fuji Xerox Co Ltd | Offset preventive mechanism for fixing device |
| JPH01137275A (en) * | 1987-11-25 | 1989-05-30 | Canon Inc | Contact electrifying device |
| JPH0293506U (en) * | 1989-01-10 | 1990-07-25 |
-
1990
- 1990-09-28 JP JP1990101866U patent/JP2534904Y2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4966140A (en) * | 1972-10-25 | 1974-06-26 | ||
| JPS57171102A (en) * | 1981-03-31 | 1982-10-21 | Fujitsu Ltd | Two-stage action cylinder |
| JPS62242979A (en) * | 1986-04-15 | 1987-10-23 | Fuji Xerox Co Ltd | Offset preventive mechanism for fixing device |
| JPH01137275A (en) * | 1987-11-25 | 1989-05-30 | Canon Inc | Contact electrifying device |
| JPH0293506U (en) * | 1989-01-10 | 1990-07-25 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015182710A (en) * | 2014-03-26 | 2015-10-22 | 株式会社ショーワ | Trim/tilt device and ship propulsion machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2534904Y2 (en) | 1997-05-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |