KR920010152A - Swash plate piston pump, motor - Google Patents

Swash plate piston pump, motor Download PDF

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Publication number
KR920010152A
KR920010152A KR1019910021411A KR910021411A KR920010152A KR 920010152 A KR920010152 A KR 920010152A KR 1019910021411 A KR1019910021411 A KR 1019910021411A KR 910021411 A KR910021411 A KR 910021411A KR 920010152 A KR920010152 A KR 920010152A
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KR
South Korea
Prior art keywords
valve plate
cylinder block
jaw
hole
motor
Prior art date
Application number
KR1019910021411A
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Korean (ko)
Other versions
KR100236732B1 (en
Inventor
사토시 마쓰모토
코지 사토
도시유키 다케우치
시게루 마쓰오
하지메 아베
Original Assignee
오카노 사다오
도시바기카이 가부시키가이샤
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Application filed by 오카노 사다오, 도시바기카이 가부시키가이샤 filed Critical 오카노 사다오
Publication of KR920010152A publication Critical patent/KR920010152A/en
Application granted granted Critical
Publication of KR100236732B1 publication Critical patent/KR100236732B1/en

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  • Hydraulic Motors (AREA)

Abstract

내용 없음No content

Description

사판식(斜板式)피스톤펌프ㆍ모터Swash plate piston pumps and motors

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 관한 사판식피스톤펌프·모터의 전체 단면도.1 is an overall cross-sectional view of a swash plate piston pump and motor according to the present invention.

제2도는 본 발명에 관한 다른 실시예를 표시하는 사판식피스톤펌프·모터의 전체 단면도.2 is an overall sectional view of a swash plate piston pump and motor showing another embodiment according to the present invention.

제3도는 제1도의 A-A 단면도.3 is a cross-sectional view taken along line A-A of FIG.

Claims (2)

실린더부럭과 샤프트를 일체적으로 구성해서 이것을 베어링에 의해 회전이 자유롭게 지지하고 또 상기 실린더부럭에 형성된 복수의 실린더구멍에 각각 피스톤을 슬라이드 가능하게 삽입함과 동시에 이 실리더부럭의 단면은 커버로 위치가 결정되고 상기 실린더부럭의 축방향으로는 이동이 자재로운 밸브플레이트에 슬라이드 하기 쉽고 단단하게 가압접촉되어 있고 또 상기 밸브플레이트의 이면에 흡입측 또는 토출측의 포트에 연통하는 부시를 설치해 이 부시에 작용하는 유압력에 의해 상기 밸브 플레이트의 단면을 실리더부럭의 단면에 가압접촉하는 사판식피스톤펌프·모터에 있어서 상기 밸브플레이트는 고압 및 저압유의 공급을 전환하는 복수의 눈썹형 포트와 이 눈섭형포트 사이에서 압유를 도입하는 소경공과 실린더부럭의 단면과 슬라이드하는 면의 반대면으로부터 상기 소경공에 연통하도록 형성된 턱이 있는 구멍과, 이 턱이 있는 구멍에 축방향으로 슬라이드 가능하게 삽입된 피스톤을 설치해, 압력에 의한 상기 밸브플레이트를 실린더부럭 단면에 가압접촉하도록 구성하는 것을 특징으로 하는 사판식피스톤펌프·모터.The cylinder block and the shaft are integrally formed to support the rotation freely by a bearing, and the piston is slidably inserted into the plurality of cylinder holes formed in the cylinder block, and the cross section of the cylinder block is positioned as a cover. The axial direction of the cylinder block is easily slid to the valve plate which is easily moved, and is firmly pressed against the valve plate, and the bush is provided on the rear surface of the valve plate to communicate with the port on the suction side or the discharge side. In a swash plate piston pump and a motor in which the end face of the valve plate is pressure-contacted to the end face of the cylinder block by the hydraulic force, the valve plate includes a plurality of eyebrow port and the eyelash port for switching supply of high pressure and low pressure oil. Cross section and slide of small diameter hole and cylinder block to introduce pressure oil between A jaw-shaped hole formed to communicate with the small-diameter hole from the opposite side of the surface and a piston slidably inserted in the jaw-shaped hole are provided to pressurize the valve plate under pressure to the cylinder block end face. A swash plate piston pump and a motor, characterized in that it is configured to 제1항에 있어서, 상기 밸브플레이트는 복수의 눈썸형포트와 이 눈썸형 포트 사이에서 상기 실린더 구멍내의 압유를 도입하는 소경공으로 구성함과 동시에, 커버의 상기 밸브플레이트측에 실린더부럭의 단면과 슬라이드하는 면쪽에서 상기 소경공을 통해서 연통하는 턱이 있는 구멍을 형성하고 또 이 턱이 있는 구멍에 축방향으로 슬라이드 가능하게 중공피스톤을 삽입해서 유압력에 의해 상기 밸브플레이트를 실린더부럭 단면에 가압접촉시킴을 특징으로 하는 상기 사판식피스톤펌프·모터.2. The valve plate according to claim 1, wherein the valve plate comprises a plurality of eyelet ports and a small diameter hole for introducing the hydraulic oil in the cylinder bore between the eyelet ports, and at the same time, the end face and the slide of the cylinder block on the valve plate side of the cover. A hole with a jaw communicating with the small diameter hole is formed on the surface thereof, and a hollow piston is slidably inserted into the hole with the jaw in the axial direction to pressurize the valve plate to the cylinder block by the hydraulic force. Said swash plate piston pump motor. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910021411A 1990-11-29 1991-11-27 Swash plate piston pump.motor KR100236732B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP90-125223 1990-11-29
JP1990125223U JP2502901Y2 (en) 1990-11-29 1990-11-29 Swash plate type piston pump / motor

Publications (2)

Publication Number Publication Date
KR920010152A true KR920010152A (en) 1992-06-26
KR100236732B1 KR100236732B1 (en) 2000-01-15

Family

ID=14904890

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910021411A KR100236732B1 (en) 1990-11-29 1991-11-27 Swash plate piston pump.motor

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JP (1) JP2502901Y2 (en)
KR (1) KR100236732B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230040263A (en) * 2021-09-15 2023-03-22 나부테스코 가부시키가이샤 Fluid machine and construction machine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3514631B2 (en) 1998-07-31 2004-03-31 イートン機器株式会社 Axial piston pump / motor
KR101181157B1 (en) 2006-07-26 2012-09-17 한라공조주식회사 Shaft Support Structure of Variable Capacity Compressor
JP5523980B2 (en) * 2010-08-10 2014-06-18 東芝機械株式会社 Hydraulic motor with slip suppression and startup efficiency improvement functions
JP7083679B2 (en) * 2018-03-30 2022-06-13 ナブテスコ株式会社 Fluid motor
JP7356804B2 (en) * 2019-02-13 2023-10-05 ナブテスコ株式会社 Fluid pressure rotating equipment and construction machinery
JP7430495B2 (en) * 2019-07-19 2024-02-13 ナブテスコ株式会社 Fluid machinery and construction machinery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1222382A (en) * 1967-06-22 1971-02-10 Boulton Aircraft Ltd Swash plate type hydraulic pumps and motors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230040263A (en) * 2021-09-15 2023-03-22 나부테스코 가부시키가이샤 Fluid machine and construction machine

Also Published As

Publication number Publication date
KR100236732B1 (en) 2000-01-15
JP2502901Y2 (en) 1996-06-26
JPH0482377U (en) 1992-07-17

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