A self-locking parasol support rod

Abstract

The invention discloses a self-locking sunshade supporting rod which comprises a telescopic rod and a steering mechanism connected with the telescopic rod in a matched manner. The telescopic rod comprises an inner tube, an outer tube and a locking device, the steering mechanism comprises a mounting seat and an adjusting seat, the locking device comprises a locking sleeve, a locking cylinder cover, a locking ring and an elastic sleeve, a wedge-shaped clamp groove is formed in the inner wall of the elastic sleeve, a wedge-shaped clamping portion is arranged at the lower end of the locking ring in an extending manner, a first spring is arranged between the locking cylinder cover and the elastic sleeve, the steering mechanism further comprises an adjusting nut, a mounting plate and an adjusting ring are arranged in a mounting hole of the mounting seat, a connecting column is arranged at the center of the inner end of the adjusting seat, a free end of the connecting column is fixedly connected with the adjusting nut, a plurality of first projections are arranged at the inner end of the adjusting seat, a plurality of second projections engaged with the first projections are arranged at the end of the adjusting ring, and a second spring is arranged between the adjusting nut and the mounting plate. The self-locking sunshade supporting rod is convenient to operate, capable of automatically locking, high in stability and fine in use effect.

Description

technical field [0001] The invention relates to the technical field of umbrellas, in particular to a self-locking parasol support rod. Background technique [0002] When outdoor activities such as fishing, people often need to use parasol. In order to be easy to carry and easy to use, the support rods of the parasols currently on the market usually have the functions of telescopic and steering adjustment. . [0003] The existing telescopic rod usually includes an inner tube and an outer tube sleeved outside the inner tube. A locking device is arranged between the inner tube and the outer tube. After adjusting the overall length of the telescopic rod as required, the locking device can That is to say, the inner tube and the outer tube can be fastened into one body, and when it needs to be put away, the locking device can be released to put the inner tube into the outer tube. In the current existing technology, most of the locking devices of the telescopic rods adopt the th...

AI Technical Summary

Problems solved by technology

The defect of the above-mentioned steering mechanism is that the operation is cumbersome and inconvenient, and the stability is low, and it is easy to cause looseness between the upper connecting seat and the lower connecting seat during use.

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