一种防误触的微动开关式升降机超载保护器

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By employing anti-accidental activation and anti-loosening mechanisms, the problem of equipment shutdown caused by accidental activation and loose power cords in the elevator overload protector has been solved, achieving effective triggering and stable equipment operation under actual overload conditions.

CN224512960UActive Publication Date: 2026-07-17SHANDONG HAOKE MASCH EQUIP CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SHANDONG HAOKE MASCH EQUIP CO LTD
Filing Date: 2025-09-09
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

Existing elevator overload protectors are prone to sudden shutdown due to accidental activation of the main switch or loose power cord, affecting normal operation.

Method used

The design incorporates anti-accidental activation and anti-loosening mechanisms. By using limit rods and clamping rings to filter out accidental activation forces, the protection is ensured to be triggered only in the event of a genuine overload. The clamping rings also provide additional pull-out resistance to prevent equipment shutdown.

Benefits of technology

It effectively reduces the false trigger rate, ensuring that protection is triggered only when there is a real overload, avoiding production interruptions and equipment damage caused by malfunctions, and preventing equipment shutdowns due to plug detachment.

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Abstract

本实用新型提供了一种防误触的微动开关式升降机超载保护器，属于工程机械安全防护领域，包括支架，所述支架的顶部设置有保护器本体，所述支架的前侧设置有防误触机构，所述防误触机构包括固定架，总开关钮是保护器本体的执行终端，一旦被误触，会直接引发保护器动作，如切断升降机电源、锁止运行机构，导致正常装载时突然停机，影响作业效率，通过在总开关钮转动至开启或关闭时，在防误触机构的设计下，可过滤掉衣物擦过、轻微碰撞等瞬时误触这类干扰的按压力，同时保证超载时的有效触发，可将总开关钮的误触率降低，确保仅在真实超载时才触发保护，避免因误动作导致的生产中断和设备损耗。

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Claims

1. A microswitch type elevator overload protector with anti-mis-touch, comprising a bracket (1), characterized in that, The top of the bracket (1) is provided with a protector body (2), the top of the bracket (1) is provided with a wiring terminal (3), and the front side of the bracket (1) is provided with an anti-accidental contact mechanism (4). The anti-accidental touch mechanism (4) includes a fixing frame (40), which is fixedly installed on the front side of the protector body (2). A main switch button (41) is rotatably installed on the inner wall of the fixing frame (40). A hollow block (42) is fixedly installed on the surface of the main switch button (41). A limit rod (43) is slidably installed on the inner wall of the hollow block (42). A connecting button (44) is fixedly installed on the surface of the limit rod (43).

2. A microswitch type elevator overload protector according to claim 1, wherein A spring seat (45) is provided between the limiting rod (43) and the hollow block (42), and the main switch (41) is electrically connected to the protector body (2).

3. The microswitch type elevator overload protector according to claim 1, wherein The number of the limiting rod (43), connecting button (44) and spring seat (45) is set to two, and they are symmetrical to each other along the vertical central axis of the fixing frame (40). A hollow frame (46) is fixedly installed on the front side of the protector body (2).

4. The microswitch type elevator overload protector according to claim 1, wherein The surface of the limiting rod (43) near the hollow frame (46) is set as an arc surface. The number of hollow frames (46) is set to four, in pairs, and they are symmetrical to each other along the vertical central axis of the fixed frame (40).

5. The microswitch type elevator overload protector according to claim 1, wherein The protector body (2) is provided with an anti-loosening mechanism (5) on the rear side. The anti-loosening mechanism (5) includes a power tube (50). The power tube (50) is located on the rear side of the protector body (2). A connecting frame (51) is fixedly installed on the rear side of the protector body (2). A sliding groove is provided on the outer wall of the power tube (50).

6. The microswitch type elevator overload protector according to claim 1, wherein A connecting frame (51) is fixedly installed on the rear side of the protector body (2). A pull rod (52) is slidably installed on the inner wall of the connecting frame (51). A clamping ring (53) is fixedly installed on the surface of the pull rod (52) near the power cylinder (50). A spring seat (54) is provided between the clamping ring (53) and the connecting frame (51). An anti-slip pad (55) is provided on the surface of the clamping ring (53).

7. A microswitch type elevator overload protector according to claim 6, wherein The rear side of the clamping ring (53) is set as an inclined surface, and the number of the connecting frame (51), pull rod (52), clamping ring (53), spring seat II (54) and anti-slip pad (55) is set to two, and they are symmetrical to each other along the vertical central axis of the power cylinder (50).