Porous guide plate

• Main Authors: ZHANG PENG, LEI BENXI, LIN HAIYAN, WANG QUAN, ZHAO SUNFU
• Format: Patent
• Language: Chinese; English
• Published: 19.12.2023
• Subjects: BLASTING; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; OTHER DOMESTIC STOVES OR RANGES; RANGES; VENTILATING; WEAPONS

The utility model provides a porous guide plate, which relates to the technical field of school supplies and comprises a limiting long plate, limiting holes are formed in the limiting long plate, sliding grooves are formed in the limiting long plate, sliding plates are movably embedded in the two sliding grooves, limiting grooves are formed in the positions, close to the two ends, of the sliding plates, and the limiting holes are formed in the limiting long plate. Two limiting grooves are formed in the two ends of the sliding plate, springs are fixedly connected to the interiors of the two limiting grooves, the two ends of each spring are fixedly connected with movable rods, the two springs are movably connected to the two ends of the sliding plate through the two springs, and grooves are formed in the bottoms of the long limiting plates. Then a movable rod is pressed to be parallel to the inner wall of the sliding plate under the action of an internal spring, then a limiting long plate is pulled to enable th