Tubular motor reduction gearbox with protection mechanism

Abstract

The invention discloses a tubular motor reduction gearbox with a protection mechanism. The tubular motor reduction gearbox comprises a motor and a reduction gearbox body, the reduction box body comprises an internal gear sleeve, a pressure sensor is arranged on the internal gear sleeve, and the pressure sensor is connected with a control switch; a connection sleeve with a positioning hole is arranged on a rotary shaft of the motor, a connection shaft is arranged in the reduction gearbox body, the interior of the connection shaft is provided with an internal cavity, a guiding block is arrangedin the internal cavity, and an elastic piece is arranged on the guiding block; the connection shaft is provided with a communication hole with a locking rod arranged in, the interior of the connectionshaft is provided with a cavity, the side wall of the locking rod is provided with a limiting block, and sleeved with a driving spring; and the side wall of the connection shaft is provided with a sliding groove communicated with the internal cavity, a sliding block is slidably connected with the interior of the sliding groove, the connection shaft is wound with a coil, and the two ends of the coil are connected with a control switch. The tubular motor reduction gearbox has the following advantages and effects that the effect of protecting the motor can be achieved by adopting the pressure sensor and the motor protection mechanism; the locking device has the effect of being convenient to mount and labor saving; and the stability is high, and the tubular motor reduction gearbox has the effect of noise reduction.

Description

technical field [0001] The invention relates to the field of reduction boxes, in particular to a tubular motor reduction box with a protection mechanism. Background technique [0002] The gearbox is a kind of power transmission equipment. At present, the reduction box on the market is also called a speed reducer or a reducer, and it works according to the principle that the prime mover is connected to the reduction box, and the reduction box is connected to the working machine. The tubular motor reducer is mainly used on rolling doors or shutters, and the rolling doors or shutters are driven by the rotation of the rotor. The existing tubular motor reducer usually includes a coupling, a planetary gear train, a planet carrier and an inner gear sleeve. The planetary gear train includes a planetary gear and a sun gear, and the sun gear is connected with the coupler. [0003] The Chinese patent with the existing notification number CN203743315U discloses a tubular motor gearbox...

AI Technical Summary

Problems solved by technology

[0004] But the above-mentioned tubular motor reduction box has the following disadvantages: in normal working condition, the gears in the planetary gear train mesh with each other. Still connected with the coupler, the shaft of the motor still has a force of circumferential rotation under the driving action of the motor. After the torque is generated on the shaft of the motor, it is easy to damage the motor, and there is no protection for the motor.

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