JPH0393604U - - Google Patents
Info
- Publication number
- JPH0393604U JPH0393604U JP76290U JP76290U JPH0393604U JP H0393604 U JPH0393604 U JP H0393604U JP 76290 U JP76290 U JP 76290U JP 76290 U JP76290 U JP 76290U JP H0393604 U JPH0393604 U JP H0393604U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pump
- hydraulic cylinder
- chamber
- cylinder chamber
- 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.)
- Pending
Links
Landscapes
- Actuator (AREA)
Description
第１図は１部を切欠いて示す本考案第１実施例
の油圧シリンダ装置の断面図、第２図イ，ロは本
考案第２実施例及びその作動状況を示す略断面図
である。
１……油圧シリンダ装置、２……ケーシング、
３Ａ，３Ｂ……カバー、４……ポンプ室、５……
シリンダ室、５ａ……ピストン右側域、５ｂ……
ピストン左側域、６……モータ、８……スクリユ
ー、１０……ピストン、１１ａ，１１ｂ……ピス
トンロツド、１３……流路、１４……流路、１５
……電磁開閉弁、１７……油圧シリンダ装置、１
８……シリンダ室、１８ａ……ヘツド側域、１８
ｂ……ロツド側域、１９……ピストン、２０……
ピストンロツド、２１……バランスシリンダ室、
２２……バランスピストン、２３……バネ、２５
……ポンプ室、２６……モータ、２８……スクリ
ユー、２９……流路、３０……流路、３１……電
磁開閉弁。
FIG. 1 is a partially cutaway sectional view of a hydraulic cylinder device according to a first embodiment of the present invention, and FIGS. 2A and 2B are schematic sectional views showing the second embodiment of the present invention and its operating condition. 1...Hydraulic cylinder device, 2...Casing,
3A, 3B...Cover, 4...Pump chamber, 5...
Cylinder chamber, 5a...piston right area, 5b...
Piston left area, 6... Motor, 8... Screw, 10... Piston, 11a, 11b... Piston rod, 13... Channel, 14... Channel, 15
...Solenoid on-off valve, 17...Hydraulic cylinder device, 1
8...Cylinder chamber, 18a...Head side area, 18
b... Rod side area, 19... Piston, 20...
Piston rod, 21...Balance cylinder chamber,
22...Balance piston, 23...Spring, 25
... Pump chamber, 26 ... Motor, 28 ... Screw, 29 ... Channel, 30 ... Channel, 31 ... Solenoid on-off valve.
Claims (1)
スクリユーを収装したポンプ室と、両側にピスト
ンロツドを連結したピストンを収装したシリンダ
室とを、一体に形成し、前記ポンプ室の左右域と
、前記シリンダ室のピストンを挟む左右域とを、
それぞれ対応的に連結する流路を設けてあること
を特徴とするポンプ組込み形油圧シリンダ装置。 (2) 前記ピストンを片側にのみピストンロツド
を連結したピストンに代えると共に、該ピストン
ロツドを貫通させ、且つバネで前記ピストン側に
付勢されたバランスピストンを収装したバランス
シリンダ室を前記シリンダ室に連通して一体に形
成してあることを特徴とする請求項(1)記載のポ
ンプ組込み形油圧シリンダ装置。[Claims for Utility Model Registration] (1) A pump chamber equipped with a motor and housing a screw rotated by the motor, and a cylinder chamber housing a piston connected to piston rods on both sides are integrally formed, The left and right areas of the pump chamber and the left and right areas sandwiching the piston of the cylinder chamber,
A hydraulic cylinder device with a built-in pump, characterized in that flow paths are provided that are connected to each other in a corresponding manner. (2) Replacing the piston with a piston connected to a piston rod only on one side, and communicating with the cylinder chamber a balance cylinder chamber housing a balance piston that passes through the piston rod and is urged toward the piston by a spring. 2. The pump-integrated hydraulic cylinder device according to claim 1, wherein the pump-integrated hydraulic cylinder device is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP76290U JPH0393604U (en) | 1990-01-09 | 1990-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP76290U JPH0393604U (en) | 1990-01-09 | 1990-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0393604U true JPH0393604U (en) | 1991-09-25 |
Family
ID=31504702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP76290U Pending JPH0393604U (en) | 1990-01-09 | 1990-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0393604U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013059860A (en) * | 2013-01-07 | 2013-04-04 | Star Seiki Co Ltd | Electrically-powered holding device |
| JP2019516926A (en) * | 2016-05-18 | 2019-06-20 | ヘルビガー アウトマティジールングステヒニーク ホールディング ゲゼルシャフト ミット ベシュレンクテル ハフツング | Electro-hydraulic linear actuator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619609B2 (en) * | 1979-05-30 | 1986-03-25 | Ricoh Kk |
-
1990
- 1990-01-09 JP JP76290U patent/JPH0393604U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619609B2 (en) * | 1979-05-30 | 1986-03-25 | Ricoh Kk |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013059860A (en) * | 2013-01-07 | 2013-04-04 | Star Seiki Co Ltd | Electrically-powered holding device |
| JP2019516926A (en) * | 2016-05-18 | 2019-06-20 | ヘルビガー アウトマティジールングステヒニーク ホールディング ゲゼルシャフト ミット ベシュレンクテル ハフツング | Electro-hydraulic linear actuator |
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