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发明授权
CN105264625B 桃心自锁式按钮 有权

桃心自锁式按钮
摘要：
一种桃心自锁式按钮(100)，包括一个外壳(110)和一个推杆(120)；该推杆(120)滑动地安装在所述外壳(110)中；所述推杆(120)上形成有一个桃心结构(1231)；所述按钮包括一个针(150)和一个弹性元件(160)；所述针(150)的一端固定在所述外壳(110)上，另一端与所述桃心结构(1231)配合；所述弹性元件(160)设置在所述外壳(110)与所述推杆(120)之间并将所述针(150)压向所述桃心结构(1231)使得所述针(150)与所述桃心结构(1231)保持接触。该桃心自锁式按钮的桃心结构设置在推杆上，使得模具简单、成本较低；而且，利用外壳与推杆之间的弹性元件将针压向推杆上的桃心结构使得针在移动过程中一直与桃心结构接触，实现了自锁功能且提高了机械寿命。
摘要（英）：

A heart-shaped self-locking button (100) comprising one housing (110) and one push rod (120). The push-rod (120) is slideably arranged with the housing (110). A heart-shaped structure (1231) is formed on the push rod (120). The button comprises one pin (150) and one flexible element (160). One end of the pin (150) is fixed on the housing (110), while the other end is fitted with the heart-shaped structure (1231). The flexible element (160) is arranged between the housing (110) and the push rod (120) and presses the pin (150) towards the heart-shaped structure (1231) to allow the pin (150) to be in constant contact with the heart-shaped structure (1231). The heart-shaped structure of the heart-shaped self-locking button is arranged on the push rod, thus allowing for a simple mold and lowered costs. Also, the flexible element between the housing and the push rod is utilized to press the pin towards the heart-shaped structure on the push rod to allow the pin to be in constant contact with the heart-shaped structure when moving, thus implementing a self-locking function and an extended mechanical life.

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