JPH01114903U - - Google Patents

Info

Publication number
JPH01114903U
JPH01114903U JP914388U JP914388U JPH01114903U JP H01114903 U JPH01114903 U JP H01114903U JP 914388 U JP914388 U JP 914388U JP 914388 U JP914388 U JP 914388U JP H01114903 U JPH01114903 U JP H01114903U
Authority
JP
Japan
Prior art keywords
oil
oil sump
plunger
sump
port
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
Application number
JP914388U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP914388U priority Critical patent/JPH01114903U/ja
Publication of JPH01114903U publication Critical patent/JPH01114903U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案に係る油圧タペツトの第１実
施例を示す断面図、第２図は第２実施例に供され
る筒壁部材を示す正面図、第３図は第３実施例を
示す要部断面図、第４図は第４実施例を示す要部
断面図、第５図は従来の油圧タペツトが適用され
た動弁機構を示す断面図である。 ２３……油圧タペツト、２４……タペツトボデ
イ、２５……プランジヤ、２６……隔壁、２７…
…油溜室、２７ａ……第１油溜部、２７ｂ……第
２油溜部、２８……高圧室、２９……連通口、３
３……油排出口、３４……筒壁部材、３６……油
導入口、３８……油供給口、４２……オリフイス
。 Fig. 1 is a sectional view showing a first embodiment of the hydraulic tappet according to this invention, Fig. 2 is a front view showing a cylindrical wall member used in the second embodiment, and Fig. 3 is a third embodiment. FIG. 4 is a sectional view of essential parts showing a fourth embodiment, and FIG. 5 is a sectional view showing a valve mechanism to which a conventional hydraulic tappet is applied. 23... Hydraulic tappet, 24... Tappet body, 25... Plunger, 26... Bulkhead, 27...
...Oil sump chamber, 27a...First oil sump section, 27b...Second oil sump section, 28...High pressure chamber, 29...Communication port, 3
3... Oil discharge port, 34... Cylinder wall member, 36... Oil inlet, 38... Oil supply port, 42... Orifice.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 有底円筒状のタペツトボデイ内に、所定個所に
油排出口を有するプランジヤを摺動自在に収納す
ると共に、該プランジヤの底部隔壁により隔成さ
れた高圧室と油溜室とを上記隔壁に有する連通口
を介して連通し、かつ上記油溜室内を外側の第１
油溜部と内側の第２油溜部とに画成する筒壁部材
を備えた油圧タペツトにおいて、上記プランジヤ
の側壁に形成されて外部からの油を上記第１油溜
部に導入する油導入口と上記油排出口との間に、
排出流量制御用のオリフイスを形成すると共に、
上記筒壁部材に形成されて上記第１油溜部から第
２油溜部内に作動油を供給する油供給口を上記油
導入口より低位に配置したことを特徴とする油圧
タペツト。 A plunger having an oil discharge port at a predetermined location is slidably housed in a bottomed cylindrical tapepet body, and a high pressure chamber and an oil reservoir chamber separated by a bottom partition of the plunger are connected to each other by the partition. communicates with each other through a port, and connects the oil sump chamber with an outer first
In a hydraulic tappet equipped with a cylindrical wall member defining an oil sump and a second oil sump on the inside, an oil introduction is formed on the side wall of the plunger to introduce oil from the outside into the first oil sump. Between the mouth and the oil discharge port,
In addition to forming an orifice for controlling the discharge flow rate,
A hydraulic tappet characterized in that an oil supply port formed in the cylindrical wall member and supplying hydraulic oil from the first oil sump to the second oil sump is disposed at a lower level than the oil inlet.
JP914388U 1988-01-27 1988-01-27 Pending JPH01114903U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP914388U JPH01114903U (en) 1988-01-27 1988-01-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP914388U JPH01114903U (en) 1988-01-27 1988-01-27

Publications (1)

Publication Number Publication Date
JPH01114903U true JPH01114903U (en) 1989-08-02

Family

ID=31215636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP914388U Pending JPH01114903U (en) 1988-01-27 1988-01-27

Country Status (1)

Country Link
JP (1) JPH01114903U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015107937A1 (en) * 2014-01-20 2015-07-23 日鍛バルブ株式会社 Hydraulic lash adjuster
EP3078819A1 (en) * 2015-04-02 2016-10-12 Otics Corporation Lash adjuster
EP3232024A4 (en) * 2014-12-11 2018-08-01 Hangzhou XZB Tech Co. Ltd Columnar-type hydraulic tappet

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015107937A1 (en) * 2014-01-20 2015-07-23 日鍛バルブ株式会社 Hydraulic lash adjuster
JP5948511B2 (en) * 2014-01-20 2016-07-06 日鍛バルブ株式会社 Hydraulic lash adjuster
CN106414919A (en) * 2014-01-20 2017-02-15 日锻汽门株式会社 Hydraulic lash adjuster
US9803518B2 (en) 2014-01-20 2017-10-31 Nittan Valve Co., Ltd. Hydraulic lash adjuster
CN106414919B (en) * 2014-01-20 2018-01-19 日锻汽门株式会社 Hydraulic type clearance adjuster
EP3232024A4 (en) * 2014-12-11 2018-08-01 Hangzhou XZB Tech Co. Ltd Columnar-type hydraulic tappet
EP3078819A1 (en) * 2015-04-02 2016-10-12 Otics Corporation Lash adjuster
CN106050346A (en) * 2015-04-02 2016-10-26 欧德克斯有限公司 Lash adjuster
JP2016196818A (en) * 2015-04-02 2016-11-24 株式会社オティックス Lash adjuster
US10072534B2 (en) 2015-04-02 2018-09-11 Otics Corporation Lash adjuster

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