Triangular warning sign with adjustable display size

Abstract

The invention discloses a triangular warning sign having a function of adjusting display size. The triangular warning sign comprises a central plate and three steel ropes, wherein three long guide pillars are uniformly arranged on the central plate in the circumferential direction at intervals; a pressure sensor assembly is arranged at an upper end of any of the long guide pillars; a guide wheel is arranged at one end of each of the long guide pillars, and a spiral spring is arranged on a rotating position of each of the guide wheels and the corresponding long guide pillar; a rolling wheel is rotatably arranged on the central plate; one end of each of the steel ropes is arranged on the corresponding guide wheel, and the other end of each of the steel ropes is arranged on a corresponding wire groove formed in the rolling wheel; a stopper block is arranged on each of the long guide pillars in a sliding manner, and each stopper block is fixedly arranged on the corresponding steel rope; a warning panel having extensibility is arranged between every two stopper blocks in a tensioning manner; the rolling wheel is driven by a self-locking motor; and the self-locking motor is connected with the pressure sensor assembly. According to the triangular warning sign disclosed by the invention, the size of the warning panels can be automatically adjusted according to actual needs, so that the size of the warning panels of the triangular warning sign can be arbitrarily set according to actual weather situations.

Description

technical field [0001] The invention relates to the technical field of warning devices for private cars, in particular to a triangular warning sign whose display size can be adjusted. Background technique [0002] Triangle warning sign, the exact name should be triangle warning sign, the car triangle warning sign is a passive reflective body made of plastic reflective material, the driver can use the adjustable The retro-reflective performance of the triangle warning sign showing the size can remind other vehicles to pay attention to avoiding to avoid secondary accidents. [0003] Triangular warning signs in the prior art include a triangular warning sign and a fixed support frame for supporting and fixing the triangular warning sign. The triangular warning sign is provided with a light-emitting device, which expands to form a support structure during use to increase the visibility of vehicles behind and avoid The occurrence of the second accident. [0004] The size of the...

AI Technical Summary

Problems solved by technology

[0004] The size of the warning board of the adjustable display size triangle warning board of the above-mentioned structure cannot be adjusted. In order to make it easy for people to see, if the board is set too large, it is easy to be hung upside down by the wind; if a smaller warning board is set, then not easy to find

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