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Throttle valve reversing closing apparatus

A gate and shaft technology, applied in the field of gates, can solve the problems of no overload protection, weak gate strength, unprotected motor, etc., and achieve the effect of not being easy to bend and increasing strength

Active Publication Date: 2009-01-14
GRG BAKING EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the gates in the past are opened and closed by swinging up and down. The strength of the gate is weak, and there is no overload protection.

Method used

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  • Throttle valve reversing closing apparatus
  • Throttle valve reversing closing apparatus
  • Throttle valve reversing closing apparatus

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The gate kickback device of the present invention is used to avoid injury to the operator and damage to the motor caused by rapid operation of the gate when the gate is opened and closed.

[0016] refer to figure 1 and figure 2 As shown, the gate kickback device includes an overload protection mechanism 1 and a kickback mechanism 2, wherein the overload protection mechanism 1 is used to limit the damage to the motor caused by excessive operation during opening and closing, and it includes a rotating shaft 10 and sleeved on The gear 11, a compression spring 12 and two friction plates 13 on it, the gear 11 is sleeved on the rotating shaft 10, and there is a certain gap with the rotating shaft 10, the gear 11 is meshed with the gear at the end of the motor, so that it It can rotate freely on the rotating shaft 10, but does not rotate with the rotating shaft 10; the friction plate 13 is tightly sleeved on the rotating shaft 10, and is pressed against the gear 11 by the sp...

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PUM

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Abstract

The invention is a throttle valve fastening device, comprising overload protection mechanism and fastening mechanism cooperating with electric motor, where the overload protection mechanism comprises rotating shaft as well as a gear, a pressure spring and two friction plates jacketed on the rotating shaft, the gear engages with that of the electric motor, the friction plates are placed in between the pressure spring and the gear, so as to rotate the rotating shaft by the friction produced between the friction plates and the gear. And its gate is arc, uneasy to bend and able to effectively enhance gate intensity; the motor can be protected when overloaded; it drives the gate to open and close by cam, and makes the gate naturally fall and closed through torsion of torsion spring, so uneasy to clip damage hands, and additionally, the cam will continue turning after the gate closed, so as to be able to fasten the gate, playing the role of anti-prizing.

Description

technical field [0001] The invention relates to a gate, in particular to a reverse buckle device for a gate. Background technique [0002] Most of the gates in the past are opened and closed by swinging up and down. The strength of the gate is weak, and there is no overload protection. Contents of the invention [0003] Based on the deficiencies of the prior art, the main purpose of the present invention is to provide a cam-driven arc gate with overload protection, which can not only improve the strength of the gate, but also has overload protection, so that it is not easy to pinch hands when the gate is closed. [0004] The present invention provides a gate reverse buckle device, which includes an overload protection mechanism and a reverse buckle mechanism. The overload protection mechanism includes a rotating shaft, a gear sleeved on the rotating shaft, a compression spring, two friction plates and a locking mechanism. , the gear meshes with the gear of the motor, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H13/02
Inventor 马立均
Owner GRG BAKING EQUIP CO LTD