Cascade type hard telescopic fence

• Main Authors: LIU SHOUWEN, HU LIN, YAO HUA, LIU XIAOXUAN, WANG CHENG, CHENG XUEQING, LI MIN, RUAN XINSHENG, CAO YAN, LIU BIN, CHEN GANG, WU KE, YANG TAO, FU JUN, GAO PURUN, CAO XIAN, ZHAO LU, XIONG JIAN
• Format: Patent
• Language: Chinese; English
• Published: 04.09.2020
• Subjects: BUILDING; BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; FENCING; FIXED CONSTRUCTIONS; MASTS; SWIMMING OR SPLASH BATHS OR POOLS; TENTS OR CANOPIES, IN GENERAL

The invention discloses a cascade type hard telescopic pole. The cascade type hard telescopic pole is provided with a plurality of unit fences, wherein each unit fence comprises a left stand column, aright stand column and a shrinkage fence for connecting the left stand column to the right stand column; rotary shafts are arranged on the bottom of the left stand column and the bottom of the rightstand column, and the bottoms of left and right stand columns are provided with locking bolts for locking the rotary shafts; the lower ends of the rotary shafts are connected to a movable base; a plurality of groups of horizontal fixed columns which are arranged at equal height are arranged on the left and right stand columns; lock arms capable of rotating around the horizontal fixed columns are hung on the horizontal fixed columns; and two lock holes which are reversely formed are arranged on the lock arms. The cascade type hard telescopic fence is simple in structure, is delicate in design,realizes seamless isolation