Conveniently-installed blackboard for junior school students

Abstract

The invention discloses a conveniently-installed blackboard for junior school students. The blackboard comprises a bottom plate and a blackboard body, wherein the blackboard body is located at the upper portion of the bottom plate, first fixing plates are respectively fixedly connected to two sides of the bottom of the bottom plate, sliding grooves are formed in the portions, between the two firstfixing plates, of the two sides of the bottom of the bottom plate, the left side of an inner cavity of each sliding is fixedly connected with a sliding rod, and the right end of each sliding rod is fixedly connected with the right side of the inner cavity of the corresponding sliding groove. According to the conveniently-installed blackboard for the junior school students, the bottom plate, the blackboard body, the first fixing plates, the sliding grooves, the sliding rods, sliding blocks, clamping plates, threaded rods, threaded tubes, a first electric telescopic rod, a vertical rod, a second electric telescopic rod, a cross rod, a first supporting block, a second supporting block and a chalk box cooperate with one another to achieve the purpose of fixing the blackboard, so that the installation and disassembly of the blackboard are convenient, a teacher does not delay the teaching progress due to the inconvenience of the installation of the blackboard, and the teacher can use the blackboard conveniently, and the problem of inconvenient installation of blackboard for the junior high school students is solved.

Description

technical field [0001] The invention relates to the technical field of blackboards, in particular to an easy-to-install blackboard for junior high school students. Background technique [0002] The blackboard does not specifically refer to the black board surface. In the traditional sense, it is a plane that can be repeatedly written with chalk. The board surface is hard and is mostly used for teaching. Blackboards are generally made of wood or frosted glass. Writing materials are written on it, mostly black, dark green, white or beige, but the general blackboards for junior high school students are mostly inconvenient to install, and the inconvenience of installing blackboards for junior high school students will affect the use of the blackboard by school teachers It will cause inconvenience and even delay the teaching progress. Due to the above problems, we have introduced a blackboard for junior high school students that is easy to install. Contents of the invention ...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide an easy-to-install blackboard for junior high school students, which has the advantages of easy installation of the blackboard for junior high school students and solves the problem of inconvenient installation of the blackboard for junior high school students

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