JPH0387976U - - Google Patents
Info
- Publication number
- JPH0387976U JPH0387976U JP15133189U JP15133189U JPH0387976U JP H0387976 U JPH0387976 U JP H0387976U JP 15133189 U JP15133189 U JP 15133189U JP 15133189 U JP15133189 U JP 15133189U JP H0387976 U JPH0387976 U JP H0387976U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- chamber
- cylinder
- piston
- valve
- 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
- 238000005192 partition Methods 0.000 claims description 2
- 210000002159 anterior chamber Anatomy 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
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
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Reciprocating Pumps (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第１図及び第２図は本考案に係る圧力変換装置の
側面断面図、第３図は同要部の平面図、第４図は
第３図−線による断面図である。
Ａ……前部室、Ｂ……後部室、Ｃ……前部室、
Ｄ……後部室、Ｐ……流入口、１……一次側シリ
ンダー、２……二次側シリンダー、４……後側壁
、５……切換弁、６……パイロツトバルブ、７…
…低圧側ピストン、８……前部ピストンロツド、
９……高圧側ピストン、１０……後部ピストンロ
ツド、１７……高圧流路、２０……逆止弁、２５
…逆止弁、３１……供給通路、３５……パイロツ
トスプール、３９……バネ体、４２……プランジ
ヤ。
The drawings show one embodiment of the present invention,
1 and 2 are side sectional views of the pressure transducer according to the present invention, FIG. 3 is a plan view of the main parts thereof, and FIG. 4 is a sectional view taken along the line shown in FIG. 3. A...Anterior chamber, B...Back chamber, C...Anterior chamber,
D...Rear chamber, P...Inlet, 1...Primary side cylinder, 2...Secondary side cylinder, 4...Rear side wall, 5...Switching valve, 6...Pilot valve, 7...
...Low pressure side piston, 8...Front piston rod,
9... High pressure side piston, 10... Rear piston rod, 17... High pressure passage, 20... Check valve, 25
... Check valve, 31 ... Supply passage, 35 ... Pilot spool, 39 ... Spring body, 42 ... Plunger.
補正 平３．３．２６
考案の名称を次のように補正する。
考案の名称 圧力変換装置
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment 3.26.3.26 The name of the invention is amended as follows. Name of the invention: Pressure conversion device The scope of the utility model registration claims and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
１ 内径が大である一次側シリンダー１と、内径
が小である二次側シリンダー２とを直列状に配設
して、これらの内部に、前部ピストンロツド８と
後部ピストンロツド１０を有する低圧側ピストン
７及び高圧側ピストン９を一体連結して往復摺動
自在に配設して、前記一次側シリンダー１を前部
室Ａと後部室Ｂに区画すると共に、二次側シリン
ダー２を前部室Ｃと後部室Ｄに区画し、かつ、流
入口Ｐから、一次側シリンダー１の前部室Ａと後
部室Ｂへの圧油の供給を交互に切換える切換弁６
を一次側シリンダー１の後部に設ける後側壁４に
設け、前記低圧側ピストン７の摺動に連動して前
記切換弁６を作動させるパイロツトバルブ５を後
側壁４内に設けて、同パイロツトバルブ５低圧側
ピストン７の後部に突設する後部ピストンロツド
１０により切換操作自在とし、前記切換弁６から
の排油の一部を二次側シリンダー２の前部室Ｃに
送る供給通路３１の中途に逆止弁２５を設け、さ
らに、二次側シリンダー２の前部室Ｃと後部室Ｄ
を接続する高圧流路１７の中途にも逆止弁２０を
配設して、同後部室Ｄと高圧吐出口２４とを連通
したことを特徴とする圧力変換装置。
２ 上記切換弁６内の切換スプール３５の一側に
はバネ体３９を位置させて押圧付勢すると共に、
同切換スプール３５の他側には、圧油の供給によ
り逆方向に押圧作動するプランジヤ４２を位置さ
せていることを特徴とする請求項１記載の圧力変
換装置。[Claims for Utility Model Registration] 1. A primary cylinder 1 with a large inner diameter and a secondary cylinder 2 with a small inner diameter are arranged in series, and a front piston rod 8 and a A low-pressure side piston 7 and a high-pressure side piston 9 having a rear piston rod 10 are integrally connected and disposed so as to be able to freely reciprocate and partition the primary cylinder 1 into a front chamber A and a rear chamber B, and a secondary side A switching valve 6 that divides the cylinder 2 into a front chamber C and a rear chamber D and alternately switches the supply of pressure oil from the inlet P to the front chamber A and the rear chamber B of the primary cylinder 1.
A pilot valve 5 is provided in the rear wall 4 to operate the switching valve 6 in conjunction with the sliding of the low pressure side piston 7. A rear piston rod 10 protruding from the rear of the low-pressure side piston 7 allows switching operation, and a check is provided midway through the supply passage 31 that sends a portion of the drained oil from the switching valve 6 to the front chamber C of the secondary cylinder 2. A valve 25 is provided, and a front chamber C and a rear chamber D of the secondary cylinder 2 are provided.
A pressure conversion device characterized in that a check valve 20 is also disposed midway in a high-pressure flow path 17 connecting the rear chamber D and a high-pressure discharge port 24. 2. A spring body 39 is positioned on one side of the switching spool 35 in the switching valve 6 to press and bias it, and
2. The pressure converting device according to claim 1, wherein a plunger 42 is located on the other side of the switching spool 35 and is pressed in the opposite direction by supply of pressure oil.
【図面の簡単な説明】
図面は本考案の一実施例を示すものであつて、
第１図及び第２図は本考案に係る圧力変換装置の
側面断面図、第３図は同要部の平面図、第４図は
第３図−線による断面図である。
Ａ……前部室、Ｂ……後部室、Ｃ……前部室、
Ｄ……後部室、Ｐ……流入口、１……一次側シリ
ンダー、２……二次側シリンダー、４……後側壁
、５……パイロツトバルブ、６……切換弁、７…
…低圧側ピストン、８……前部ピストンロツド、
９……高圧側ピストン、１０……後部ピストンロ
ツド、１７……高圧流路、２０……逆止弁、２５
…逆止弁、３１……供給通路、３５……切換スプ
ール、３９……バネ体、４２……プランジヤ。[Brief Description of the Drawings] The drawings show one embodiment of the present invention.
1 and 2 are side sectional views of the pressure transducer according to the present invention, FIG. 3 is a plan view of the main parts thereof, and FIG. 4 is a sectional view taken along the line shown in FIG. 3. A...Anterior chamber, B...Back chamber, C...Anterior chamber,
D...Rear chamber, P...Inlet, 1...Primary side cylinder, 2...Secondary side cylinder, 4...Rear side wall, 5...Pilot valve, 6...Switching valve, 7...
...Low pressure side piston, 8...Front piston rod,
9... High pressure side piston, 10... Rear piston rod, 17... High pressure passage, 20... Check valve, 25
... Check valve, 31 ... Supply passage, 35 ... Switching spool, 39 ... Spring body, 42 ... Plunger.
Claims (1)
が小である二次側シリンダー２とを直列状に配設
して、これらの内部に、前部ピストンロツド８と
後部ピストンロツド１０を有する低圧側ピストン
７及び高圧側ピストン９を一体連結して往復摺動
自在に配設して、前記一次側シリンダー１を前部
室Ａと後部室Ｂに区画すると共に、二次側シリン
ダー２を前部室Ｃと後部室Ｄに区画し、かつ、流
入口Ｐから、一次側シリンダー１の前部室Ａと後
部室Ｂへの圧油の供給を交互に切換えるパイロツ
トバルブ６を一次側シリンダー１の後部に設ける
後側壁４に設け、前記低圧側ピストン７の摺動に
連動して前記パイロツトバルブ６を作動させる切
換弁５を後側壁４内に設けて、同切換弁５を低圧
側ピストン７の後部に突設する後部ピストンロツ
ド１０により切換操作自在とし、前記パイロツト
バルブ６からの排油の一部を二次側シリンダー２
の前部室Ｃに送る供給通路３１の中途に逆止弁２
５を設け、さらに、二次側シリンダー２の前部室
Ｃと後部室Ｄを接続する高圧流路１７の中途にも
逆止弁２０を配設して、同後部室Ｄと高圧吐出口
２４とを連通したことを特徴とする圧力変換装置
。 ２ 上記パイロツトバルブ６内のパイロツトスプ
ール３５の一側にはバネ体３９を位置させて押圧
付勢すると共に、同パイロツトスプール３５の他
側には、圧油の供給により逆方向に押圧作動する
プランジヤ４２を位置させていることを特徴とす
る請求項１記載の圧力変換装置。[Claims for Utility Model Registration] 1. A primary cylinder 1 with a large inner diameter and a secondary cylinder 2 with a small inner diameter are arranged in series, and a front piston rod 8 and a A low-pressure side piston 7 and a high-pressure side piston 9 having a rear piston rod 10 are integrally connected and disposed so as to be able to freely reciprocate and partition the primary cylinder 1 into a front chamber A and a rear chamber B, and a secondary side A pilot valve 6 that divides the cylinder 2 into a front chamber C and a rear chamber D and alternately switches the supply of pressure oil from the inlet P to the front chamber A and the rear chamber B of the primary cylinder 1 is connected to the primary cylinder. A switching valve 5 is provided in the rear wall 4 provided at the rear of the piston 1, and operates the pilot valve 6 in conjunction with the sliding of the low pressure piston 7. A rear piston rod 10 protruding from the rear of the pilot valve 7 allows switching operation, and a part of the drained oil from the pilot valve 6 is transferred to the secondary cylinder 2.
A check valve 2 is installed in the middle of the supply passage 31 that sends to the front chamber C.
5 is provided, and a check valve 20 is also provided in the middle of the high-pressure passage 17 that connects the front chamber C and the rear chamber D of the secondary cylinder 2 to connect the rear chamber D and the high-pressure discharge port 24. A pressure transducer characterized by communicating with each other. 2. A spring body 39 is positioned on one side of the pilot spool 35 in the pilot valve 6 to press and bias it, and a plunger is provided on the other side of the pilot spool 35 that presses in the opposite direction by supplying pressure oil. 4. The pressure transducer according to claim 1, further comprising: 42 located therein.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989151331U JP2512551Y2 (en) | 1989-12-26 | 1989-12-26 | Pressure converter |
| DE1990614089 DE69014089T2 (en) | 1989-12-26 | 1990-12-21 | Pressure boosting device. |
| EP19900125101 EP0435196B1 (en) | 1989-12-26 | 1990-12-21 | Pressure converting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989151331U JP2512551Y2 (en) | 1989-12-26 | 1989-12-26 | Pressure converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0387976U true JPH0387976U (en) | 1991-09-09 |
| JP2512551Y2 JP2512551Y2 (en) | 1996-10-02 |
Family
ID=15516254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989151331U Expired - Lifetime JP2512551Y2 (en) | 1989-12-26 | 1989-12-26 | Pressure converter |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0435196B1 (en) |
| JP (1) | JP2512551Y2 (en) |
| DE (1) | DE69014089T2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000047894A1 (en) * | 1999-02-15 | 2000-08-17 | Kazutomi Yokota | Trace liquid suction and discharge device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5484269A (en) * | 1995-04-24 | 1996-01-16 | Moog Inc. | Fluid intensifier |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4868803U (en) * | 1971-12-01 | 1973-09-01 | ||
| JPS5612977A (en) * | 1979-07-12 | 1981-02-07 | Nissan Motor | Paint dryer |
| JPS6332172A (en) * | 1986-07-24 | 1988-02-10 | Nippon Pneumatic Kogyo Kk | High pressure water generating device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE904858C (en) * | 1951-12-04 | 1954-02-22 | Wilhelm Reppel | Back and forth pressure intensifier for pneumatic systems |
| GB1281627A (en) * | 1969-10-18 | 1972-07-12 | Aisin Seiki | Hydraulic intensifier |
| FR2134650B1 (en) * | 1971-04-30 | 1974-07-26 | Bendix Corp | |
| DE3323902C1 (en) * | 1983-07-02 | 1984-08-30 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Pressure intensifier |
-
1989
- 1989-12-26 JP JP1989151331U patent/JP2512551Y2/en not_active Expired - Lifetime
-
1990
- 1990-12-21 DE DE1990614089 patent/DE69014089T2/en not_active Expired - Fee Related
- 1990-12-21 EP EP19900125101 patent/EP0435196B1/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4868803U (en) * | 1971-12-01 | 1973-09-01 | ||
| JPS5612977A (en) * | 1979-07-12 | 1981-02-07 | Nissan Motor | Paint dryer |
| JPS6332172A (en) * | 1986-07-24 | 1988-02-10 | Nippon Pneumatic Kogyo Kk | High pressure water generating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000047894A1 (en) * | 1999-02-15 | 2000-08-17 | Kazutomi Yokota | Trace liquid suction and discharge device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0435196A1 (en) | 1991-07-03 |
| EP0435196B1 (en) | 1994-11-09 |
| JP2512551Y2 (en) | 1996-10-02 |
| DE69014089D1 (en) | 1994-12-15 |
| DE69014089T2 (en) | 1995-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03121079U (en) | ||
| JPS61197301U (en) | ||
| JPH03129785U (en) | ||
| JP2557245Y2 (en) | Pilot operated check valve structure | |
| JPH0459379U (en) | ||
| JPH0225702U (en) | ||
| JP2512551Y2 (en) | Pressure converter | |
| JPS62108601U (en) | ||
| JPS6039521Y2 (en) | pressure booster | |
| JPH0342075U (en) | ||
| JPH0466406U (en) | ||
| JPS6354868U (en) | ||
| JPH0332179U (en) | ||
| JPH0178702U (en) | ||
| JPH0378980U (en) | ||
| JPH0222673U (en) | ||
| JPS61138660U (en) | ||
| JPH0352404U (en) | ||
| JPH0343163U (en) | ||
| JPH0198903U (en) | ||
| JPS61168302U (en) | ||
| JPS61146533U (en) | ||
| JPH02131072U (en) | ||
| JPH03123986U (en) | ||
| JPS6443278U (en) |