JP2015025506A - 流体圧シリンダ - Google Patents
流体圧シリンダ Download PDFInfo
- Publication number
- JP2015025506A JP2015025506A JP2013155369A JP2013155369A JP2015025506A JP 2015025506 A JP2015025506 A JP 2015025506A JP 2013155369 A JP2013155369 A JP 2013155369A JP 2013155369 A JP2013155369 A JP 2013155369A JP 2015025506 A JP2015025506 A JP 2015025506A
- Authority
- JP
- Japan
- Prior art keywords
- plug
- rod
- piston rod
- piston
- pin
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims abstract description 37
- 239000010720 hydraulic oil Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 5
- 230000013011 mating Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Images
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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
Description
図1に示す油圧シリンダ(流体圧シリンダ)1は、筒状をしたシリンダチューブ10と、シリンダチューブ10内にヘッド側室2とボトム側室3を仕切るピストン70と、ピストン70に連結されてシリンダチューブ10の一端から突出するピストンロッド30とを備える。
次に、図6を参照して、本発明の第2実施形態を説明する。以下では、上記第1実施形態と異なる点を中心に説明し、上記第1実施形態の流体圧シリンダと同一の構成には同一の符号を付して説明を省略する。
10 シリンダチューブ
11 ロッド内通路
16 開口端
21 ロッド内通路
25 横孔
28 内周ネジ部
30 ピストンロッド
40 プラグ
41 外周ネジ部
42 外周溝
43 係合部
55 シールリング
57 ピン
71 ピストンアッシ
75 内周面
77 係合部
Claims (4)
- 流体圧源からシリンダチューブ内に導かれる作動流体圧によってピストンロッドが軸方向に移動する流体圧シリンダであって、
前記ピストンロッドに軸方向に沿って形成され、前記流体圧源と前記シリンダチューブ内を連通するロッド内通路と、
前記ロッド内通路のシリンダチューブ内に開口する開口端から挿入されるプラグと、
前記ピストンロッドに径方向に沿って形成され、前記ロッド内通路を横切る横孔と、
前記横孔に挿入されるピンと、を備え、
前記ロッド内通路の内周に内周ネジ部が形成され、
前記プラグは、
前記内周ネジ部に螺合する外周ネジ部と、
前記ピンに係合して前記プラグの回り止めをする係合部と、を有することを特徴とする流体圧シリンダ。 - 前記ロッド内通路の内周と前記プラグの間に介装されるシールリングをさらに備え、
前記プラグは前記シールリングが介装される外周溝を有し、
前記シールリングが前記プラグと前記軸孔の間を封止することを特徴とする請求項1に記載の流体圧シリンダ。 - 前記ピストンロッドに連結されるピストンアッシをさらに備え、
前記ピンが前記ピストンアッシの内側に配置され、
前記ピストンアッシの内周面によって前記ピンの抜け止めが行われることを特徴とする請求項1または2に記載の流体圧シリンダ。 - 前記ピストンロッドに締結されるピストンアッシをさらに備え、
前記ピストンアッシは前記ピンに係合して前記ピストンアッシの回り止めをする係合部を有することを特徴とする請求項1または2に記載の流体圧シリンダ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013155369A JP5746281B2 (ja) | 2013-07-26 | 2013-07-26 | 流体圧シリンダ |
US14/906,606 US10145394B2 (en) | 2013-07-26 | 2014-06-06 | Fluid pressure cylinder |
PCT/JP2014/065127 WO2015012003A1 (ja) | 2013-07-26 | 2014-06-06 | 流体圧シリンダ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013155369A JP5746281B2 (ja) | 2013-07-26 | 2013-07-26 | 流体圧シリンダ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015025506A true JP2015025506A (ja) | 2015-02-05 |
JP2015025506A5 JP2015025506A5 (ja) | 2015-05-07 |
JP5746281B2 JP5746281B2 (ja) | 2015-07-08 |
Family
ID=52393056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013155369A Active JP5746281B2 (ja) | 2013-07-26 | 2013-07-26 | 流体圧シリンダ |
Country Status (3)
Country | Link |
---|---|
US (1) | US10145394B2 (ja) |
JP (1) | JP5746281B2 (ja) |
WO (1) | WO2015012003A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020180637A (ja) * | 2019-04-24 | 2020-11-05 | Kyb株式会社 | 流体圧シリンダ |
WO2023053737A1 (ja) * | 2021-09-30 | 2023-04-06 | 株式会社小松製作所 | 油圧シリンダ |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2605451B (en) * | 2021-04-01 | 2023-07-26 | Caterpillar Global Mining Llc | Hydraulic cylinder cushioning |
CN115013381B (zh) * | 2022-07-02 | 2024-05-28 | 安徽工程大学 | 一种带有锁止功能的多级液压缸导向装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4636874Y1 (ja) * | 1968-05-29 | 1971-12-18 | ||
JPS4812498B1 (ja) * | 1969-01-16 | 1973-04-20 | ||
JPH0449262U (ja) * | 1990-09-03 | 1992-04-27 | ||
JP2003166508A (ja) * | 2001-11-29 | 2003-06-13 | Kayaba Ind Co Ltd | 油圧シリンダ |
JP2004068927A (ja) * | 2002-08-06 | 2004-03-04 | Showa Corp | 車両用の油圧緩衝器 |
US20060032369A1 (en) * | 2004-08-13 | 2006-02-16 | The Stanley Works | Piston-piston rod retaining assembly for a hydraulic piston and cylinder unit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0215004Y2 (ja) * | 1984-12-21 | 1990-04-23 | ||
JPS646403U (ja) | 1987-06-30 | 1989-01-13 | ||
JPH0515603Y2 (ja) | 1987-11-17 | 1993-04-23 | ||
DE4400483C2 (de) * | 1994-01-11 | 1996-12-19 | Invest Tech Ag | Linearantriebszylinder |
JP5707301B2 (ja) * | 2011-11-01 | 2015-04-30 | Kyb−Ys株式会社 | 流体圧シリンダ及びその製造方法 |
-
2013
- 2013-07-26 JP JP2013155369A patent/JP5746281B2/ja active Active
-
2014
- 2014-06-06 US US14/906,606 patent/US10145394B2/en active Active
- 2014-06-06 WO PCT/JP2014/065127 patent/WO2015012003A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4636874Y1 (ja) * | 1968-05-29 | 1971-12-18 | ||
JPS4812498B1 (ja) * | 1969-01-16 | 1973-04-20 | ||
JPH0449262U (ja) * | 1990-09-03 | 1992-04-27 | ||
JP2003166508A (ja) * | 2001-11-29 | 2003-06-13 | Kayaba Ind Co Ltd | 油圧シリンダ |
JP2004068927A (ja) * | 2002-08-06 | 2004-03-04 | Showa Corp | 車両用の油圧緩衝器 |
US20060032369A1 (en) * | 2004-08-13 | 2006-02-16 | The Stanley Works | Piston-piston rod retaining assembly for a hydraulic piston and cylinder unit |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020180637A (ja) * | 2019-04-24 | 2020-11-05 | Kyb株式会社 | 流体圧シリンダ |
JP7360253B2 (ja) | 2019-04-24 | 2023-10-12 | Kyb株式会社 | 流体圧シリンダ |
WO2023053737A1 (ja) * | 2021-09-30 | 2023-04-06 | 株式会社小松製作所 | 油圧シリンダ |
DE112022003430T5 (de) | 2021-09-30 | 2024-04-18 | Komatsu Ltd. | Hydraulikzylinder |
Also Published As
Publication number | Publication date |
---|---|
JP5746281B2 (ja) | 2015-07-08 |
US20160160893A1 (en) | 2016-06-09 |
WO2015012003A1 (ja) | 2015-01-29 |
US10145394B2 (en) | 2018-12-04 |
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