| CPC H01R 39/08 (2013.01) | 6 Claims |

|
1. A retractable slip ring transmission mechanism, comprising:
a housing, a connecting wire, a telescopic component, and a transmitting component;
wherein the housing comprises a front housing and a rear housing, the front housing is connected to the rear housing, and the front housing is provided with an axle centre;
wherein a self-locking locator is provided on the rear housing;
wherein the telescopic component comprises a first fixed part, an elastic part and a second fixed part; the first fixed part and the second fixed part are provided with mounting holes corresponding to the axle centre, the second fixed part is provided with a holding compartment on one side for placing the elastic part, the first fixed part and the second fixed part are pivotably socketed on the axle centre through the mounting holes, and the first fixed part is connected to the holding compartment;
wherein the holding compartment is provided with an opening one end of the elastic part is provided on outside of the holding compartment and the other end of the elastic part is coiled in the holding compartment through the opening, and the one end of the elastic part is connected to the second fixed part;
wherein the axle centre is provided with a slot for snapping to the elastic part, the elastic part is provided with a card corresponding to the slot, and the slot on the axle centre is snapped to the card of the elastic part;
wherein the connecting wire is wrapped around the telescopic component, and the telescopic component is rotatably provided in the housing;
wherein the second fixed part is provided with a self-locking locating track at another side, and the self-locking locator is configured for positioning the self-locking locating track to rotation;
wherein the self-locking locating track comprises outer rings, middle rings, an inner ring, and locating blocks, and the outer rings are connected to the middle rings;
wherein when pulling the connecting wire, the self-locking locating track rotates, and the self-locking locator slides from the inner ring of the self-locking locating track to the outer rings and slides between the outer rings and the middle rings;
wherein when the pulling of the connecting wire is stopped, under an action of the elastic part, the self-locking locating track rotates in an opposite direction and the self-locking locator is seated within the locating blocks of the self-locking locating track; and
when the connecting wire is slightly pulled again, the self-locking locator slides from the locating blocks of the self-locking locating track to the inner ring and slides in the inner ring;
wherein another side of the second fixed part is further provided with side tracks corresponding to the outer rings, middle tracks corresponding to the middle rings, sliding tracks corresponding to the locating blocks, and an inner track;
wherein the side tracks are connected to the middle tracks, the outer rings are disposed between the side tracks and the sliding tracks, the middle rings are disposed between the middle tracks and the sliding tracks, the inner ring is disposed between the sliding tracks and the inner track, the locating blocks are disposed between the side tracks and the inner track and also arranged between the sliding tracks;
wherein the side tracks are provided with first gliding arcs corresponding to the locating blocks, the side tracks are connected with the middle tracks through the first sliding arcs, the inner track is provided with second gliding arcs corresponding to the first gliding arcs, and the first gliding arcs and the second gliding arcs are disposed at each end of the locating blocks;
wherein each of the locating blocks is provided with a third gliding arc and a fourth gliding arc, and a locating bayonet is provided between the third gliding arc and the fourth gliding arc, and the locating bayonet is an arc with upper and lower crossing that are configured to snap with the self-locking locator; and
wherein the sliding tracks are provided with bevels on both sides, one side of the sliding tracks corresponds to the locating bayonet, and another side of the sliding tracks corresponds to the third gliding arc.
|