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A motor travel switch control mechanism

A travel switch and switch control technology, applied in the direction of electric switches, circuits, building components, etc., can solve the problems of high manufacturing precision and cost, travel displacement, complex structure, etc., to reduce complexity, reliable emergency stop, and improve precision degree of effect

Active Publication Date: 2011-12-28
NINGBO DOOYA MECHANIC & ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the emergency stop switch needs to use the lever to realize the emergency stop, which reduces the reliability of the emergency stop, and because the lever device is composed of the first lever and the second lever, the shrinkage properties of different plastics are different, and the two levers The separation makes the change of the stroke angle easily lead to the movement of the stroke, the structure is also more complicated, and the manufacturing accuracy and cost are high.

Method used

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  • A motor travel switch control mechanism
  • A motor travel switch control mechanism
  • A motor travel switch control mechanism

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] see figure 2 with image 3 , a motor travel switch control mechanism, including a motor housing 1, the bottom of the motor housing 1 is provided with a left-right symmetrical gear box combination 2, the first gear 21 in the middle of the gear box combination 2 meshes with the second gear 22 on both sides . The side of the second gear 22 meshes with the stroke adjustment reset block 4, the stroke adjustment reset block 4 is an independent integral piece, at least includes two parts, the first part 41 is claw-shaped, and meshes with the gear box combination 2, the second The part 42 is substantially horizontal and is located below the stroke adjustment reset block 4 , and the stroke adjustment reset block 4 is rotatably fixed to the motor through the shaft rod 5 .

[0025] A travel switch 6 is arranged on the top of the travel adjustm...

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PUM

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Abstract

A motor travel switch control mechanism, comprising a gearbox assembly (2), a travel switch (6), a travel adjustment reset block (4; 4') engaged with the gearbox assembly, and an emergency stop switch (8; 8'); the emergency stop switch and the travel adjustment reset block can respectively and directly contact the travel switch contact of the travel switch. The switch control mechanism can achieve emergency stop reliably and control travel accurately, with a simple structure and low manufacturing precision and cost.

Description

technical field [0001] The invention relates to a motor, in particular to a travel switch control mechanism of the motor. Background technique [0002] In the lifting mechanism, after the motor is decelerated by the reducer, the output shaft of the reducer is connected to the lifting transmission mechanism, and the object moves up and down through the transmission of the lifting mechanism, and the rising or falling to the required position is generally controlled by the travel switch. That is, the travel of the object is controlled by opening and closing the travel switch. [0003] For example, a lever limit switch disclosed in European Patent Publication No. EP0665361A1, a relatively movable lever device is arranged on the clutch cam, and the lever device is composed of a first lever and a second lever, and the second lever Toggle through the first driving lever, thus the tappet of the touch switch makes the motor stop running, and in an emergency, the tappet can also be t...

Claims

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Application Information

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IPC IPC(8): H01H3/16F16H1/22
CPCE06B9/322H01H19/183H01H3/16F16H1/22E06B9/88
Inventor 俞锡鹏孙勇
Owner NINGBO DOOYA MECHANIC & ELECTRONICS TECH