Venetian blind and transmission operation method thereof

Abstract

A venetian blind is installed with a side seal (4) at one end of upper rail (9) and is installed with a rope lock (10) at the other end. A transverse shaft (8) is installed between the side seal cover and the rope lock. The upper part of lifting rope (11) is installed in a rope locker. An adjustor connection base (7) is installed on the transverse shaft and the corresponding place of hole site of venetian blind sheet. A bidirectional warping drum (5) is installed on the transverse shaft and in the adjustor connection base. One side of bidirectional warping drum is installed with a driving wheel (6). The front side and back side at the upper end of cloth edge ladder (2) are respectively installed on the driving wheel. A sheet connection rope (3) is coiled on the bidirectional warping drum. The transmission operation method is that the lifting rope is lifted downwards for driving the rotation of rope lock and the rotation of transverse shaft so that the bidirectional warping drum and driving wheel rotate. When the driving wheel rotates, the horizontal angle of venetian blind sheet varies and the bidirectional warping drum rotates. The venetian blind sheet is laid down or retracted to the required position by the sheet connection rope. According to the invention, the using functions of lifting, rotating, etc. of venetian blind can be finished through the transmission operation of an adjustor and a lifting rope.

Description

1. Technical field [0001] The invention relates to a blind used in daily life and a transmission operation method thereof. 2. Background technology [0002] At present, venetian blinds are composed of venetian blinds, upper rails, lower rails, curtain lifting adjustment devices (including lifting pull cords), curtain corner adjustment devices (including corner ladder ropes or corner rods) and other components, of which: on the venetian blinds There are two or more holes, and two or more lift ropes are correspondingly passed through the holes of the venetian blinds, and the venetian blinds are driven by operating two or more lift ropes to drive metal worms and worm gears. Lifting (and preventing the horizontal sliding of the venetian blinds), the lifting rope is a straight line about twice the vertical length of the venetian blind itself, which mainly plays the role of lifting the venetian blinds. When the venetian blinds are raised, there will be more The pull rope twice as...

AI Technical Summary

Problems solved by technology

Due to the holes on the venetian blinds, even if the venetian blinds are "completely closed", the light leakage generated by the holes of the venetian blinds (called light leakage phenomenon) cannot be completely blocked, thus affecting the shading effect of the venetian blinds

[0003] Since the two sets of adjustment devices for the lifting and lowering of the curtain and the angle of the curtain are respectively operated by the lifting rope and the corner ladder rope (or corner rod) to adjust the lifting and rotation of the venetian blinds, the corner ladder rope (or corner rod) and redundant The special lifting pull cords are placed on both sides of the blinds, which not only affects the appearance but also is inconvenient to use. At the same time, it causes a large increase in the use of pull cords and the use of corner ladder ropes (or corner rods) increases the cost of each pair of curtains.

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