Umbrellas are inevitable in our lives. Umbrellas are inseparable items in our lives. When it rains or snows, we can’t do without it. The sun is scorching, and we need an umbrella to provide shade. All kinds of umbrellas make it difficult for us to choose. The automatic umbrella can automatically open and close the umbrella, which can solve a lot of our troubles. So, do you know the working principle and structure of an automatic umbrella?
Working principle and structure of automatic umbrella
1. The principle of the automatic umbrella is: there is a compression spring sheath outside the compression spring of the open umbrella, the compression spring sheath is sheathed in the frame connecting sleeve, and there are radial clamps on the frame connecting sleeve. The two ends of the clamp are wedge-shaped and can slide left and right. There is a spring pin on the outside of the connecting sleeve, and there are sliding multi-threaded spiral inner and outer sleeves on the top of the umbrella handle. There are matching multi-threads between them. When the umbrella is closed, the sliding outer and inner sleeves can be extended. Compress the open umbrella compression spring, and the clip on the frame connector can position the open umbrella compression spring when it is in place.
2. The fully automatic umbrella is an umbrella top composed of umbrella cloth, umbrella ribs, umbrella hoop, spring, top hat, string, etc. The umbrella pole with metal sticks passing through the heart and the umbrella handle with switch are the three major ones. The main component.
3. The metal rod passing through the pole is connected with one end of the umbrella rib through a thin rope, and the switch on the umbrella handle is connected underneath. The closing and opening of the switch drives the metal rod to move up and down. The string acts on one end of the umbrella rib to drive the other section of the umbrella rib covered with umbrella cloth to tilt or fall. The umbrella opens or closes. The spring in the top of the umbrella is to overcome the umbrella. The cloth tension is too large and it plays a supplementary role.
4. Fully automatic umbrella, including umbrella surface, umbrella pole, umbrella handle, support rod, umbrella surface support rod, support rod connecting seat.
Its characteristics are:
(1) A linkage mechanism, consisting of a mobile switch, steel wire rope, upper and lower bearings, gears and transmission chain, is installed in the umbrella pole;
(2) Install a bearing on the top and the bottom of the umbrella pole, and use a steel wire rope ring to wrap the two bearings. A "Z"-shaped movable switch seat hole is opened at a suitable position under the umbrella pole, and the wire rope at the corresponding position is connected to the wire rope. A switch that moves up and down;
(3) One side of the wire rope above the umbrella pole is connected to the wire rope for a transmission chain, and a gear is installed on each side of the umbrella pole at the corresponding position, and the gear is meshed with the transmission chain to rotate, and the gears are fixed with several bevel surfaces. Support rod.