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发明公开
CN102235201A 可变阀升程装置 有权

可变阀升程装置
摘要：
本发明涉及一种可变阀升程装置，其可以包括外挺杆本体，其掣子部分连接孔和外挺杆本体引导孔，可以形成在所述外挺杆本体之内；内挺杆本体，其内挺杆本体引导孔可以形成在所述内挺杆本体之内，并且能够滑动地设置在所述外挺杆本体之内；掣子部分，其可以设置在所述内挺杆本体引导孔之内，并且选择性地接合到所述掣子部分连接孔；掣子部分支撑销，其沿着所述内挺杆本体引导孔的纵向方向引导所述掣子部分，并且可以连接到所述内挺杆本体；液压压力腔室；以及柱塞，其可以滑动地设置在所述外挺杆本体引导孔中，并且根据从所述液压压力腔室供应的液压压力而选择性地使所述掣子部分插入到所述掣子部分连接孔内。
摘要（英）：

A variable valve lift apparatus may include an outer tappet body of which a latching portion connecting hole and an outer tappet body guide hole may be formed therewithin, an inner tappet body of which an inner tappet body guide hole may be formed therewithin and slidably disposed within the outer tappet body, a latching portion which may be disposed within the inner tappet body guide hole and selectively coupled to the latching portion connecting hole, a latching portion support pin which guides the latching portion along a longitudinal direction of the inner tappet body guide hole and may be connected to the inner tappet body, a hydraulic pressure chamber, and a plunger which may be slidably disposed in the outer tappet body guide hole and selectively inserts the latching portion into the latching portion connecting hole according to the hydraulic pressure supplied from the hydraulic pressure chamber.

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