JPS62145909U

JPS62145909U -

Info

Publication number: JPS62145909U
Application number: JP3324886U
Authority: JP
Priority date: 1986-03-10
Filing date: 1986-03-10
Publication date: 1987-09-14

Description

[Brief explanation of the drawing]

第１図は本考案の油圧式ラツシユアジヤスタの
第１実施例を示す主要部分の側断面図、第２図は
第１実施例のリテーナの平面図、第３図は第１実
施例の作動を示すための図でチエツクボールが油
圧により最下限位置にある場合の側断面図、第４
図は第２実施例の主要部分の側断面図、第５図は
第２実施例のリテーナの平面図、第６図は第２実
施例の作動を示す側断面図、第７図は第３実施例
の主要部分の側断面図、第８図は第３実施例の弾
性部材の平面図、第９図は第３実施例の作動を示
す側断面図、第１０図は第４実施例の主要部分の
側断面図、第１１図は第４実施例のリテーナの平
面図、第１２図は第４実施例の作動を示す側断面
図、第１３図は従来のラツシユアジヤスタの側断
面図である。（主要部分の符号の説明）１……本体、２……
プランジヤ、３……チエツクボール、７……リタ
ーンスプリング、１０，２０，３０，４０……弁
手段、１４，２４，３４，４４……リテーナ、１
４ａ，２４ａ，３４ａ，４４ａ……フランジ部、
１４ｂ，２４ｂ，３４ｂ，４４ｂ……カツプ部、
１５，２５，３５，４５及び４６……弾性手段。 Fig. 1 is a side cross-sectional view of the main parts of the first embodiment of the hydraulic lash adjuster of the present invention, Fig. 2 is a plan view of the retainer of the first embodiment, and Fig. 3 is a plan view of the retainer of the first embodiment. This is a side sectional view when the check ball is at the lowest position due to hydraulic pressure, and is a diagram to show the operation.
The figure is a side sectional view of the main part of the second embodiment, FIG. 5 is a plan view of the retainer of the second embodiment, FIG. 6 is a side sectional view showing the operation of the second embodiment, and FIG. FIG. 8 is a plan view of the elastic member of the third embodiment, FIG. 9 is a side sectional view showing the operation of the third embodiment, and FIG. 10 is a side sectional view of the fourth embodiment. 11 is a plan view of the retainer of the fourth embodiment, FIG. 12 is a side sectional view showing the operation of the fourth embodiment, and FIG. 13 is a side sectional view of a conventional lash adjuster. It is a diagram. (Explanation of symbols of main parts) 1...Main body, 2...
Plunger, 3... Check ball, 7... Return spring, 10, 20, 30, 40... Valve means, 14, 24, 34, 44... Retainer, 1
4a, 24a, 34a, 44a... flange part,
14b, 24b, 34b, 44b...cup part,
15, 25, 35, 45 and 46... elastic means.

Claims

[Claims for Utility Model Registration] 1. A cup-shaped body, a plunger slidably housed in the cup-shaped body, an oil storage chamber for holding oil in the plunger, and a space defined between the body and the retainer. a high pressure chamber communicating with the oil storage chamber via a passage; a valve means provided near the opening of the passage in the high pressure chamber for controlling the flow of oil between the two chambers; In a hydraulic latch adjuster comprising a biasing coil spring, the valve means includes a retainer comprising a flange portion interposed between the coil spring and the plunger and a cup portion housed within the fill spring; A hydraulic system comprising a ball disposed within the cup portion of the retainer and an elastic means for elastically holding the ball within the cup portion of the retainer so that the ball is positioned with a predetermined gap with respect to the passage opening. Type latch adjuster. 2. The hydraulic lash adjuster according to claim 1, wherein the elastic means is formed from a part of the retainer. 3. The hydraulic lash adjuster according to claim 1, wherein the elastic means is a sheet of elastomer material. 4. The hydraulic system according to claim 1, wherein the elastic means comprises a plate for receiving the balls, and a conical spring disposed between the plate and the bottom of the cup of the retainer. Type latch adjuster. 5. The hydraulic lash adjuster according to claim 3, wherein the seat is reversible.