Hand-operated lifting type monitoring dais

Abstract

The invention discloses a hand-operated lifting type monitoring dais comprising a desk body; the desk body comprises a desk top; two sides on the bottom of the desk top are fixedly provided with a plurality of vertical support rods; a bottom support board is on the ground, and the top of the bottom support board is provided with a plurality of vertical plug holes; the vertical support rods are plugged in corresponding vertical plug holes; the outer side wall of the bottom support board is fixedly provided with a protection cover; the top plate of the protection cover is provided with a plug through hole; a rack is plugged in the plug through hole; the bottom of the rack is in the protection cover; the side wall of the rack is provided with a locating plug hole; a rotary shaft is in the protection cover, and hinged to the side wall of the protection cover and the side wall of the bottom support board; the outer end of the rotary shaft extends outside the protection cover; the portion, in the protection cover, of the rotary shaft is fixedly provided with an adjusting gear engaged with the rack; the outer end of the rotary shaft is fixedly provided with rotating disks; two rotating disks can be simultaneously swung by hand, thus adjusting the desk top to go up and down, and satisfying height demands of users on the desk top.

Description

Technical field: [0001] The invention relates to the technical field of teaching tools, and more specifically relates to a manual lifting monitoring platform. Background technique: [0002] The podium is a table set in front of the teacher when the teacher is giving lectures. It is used to place various teaching supplies. At the same time, the teacher can sit on a chair and be behind the table to display some teaching supplies on the table. , the height of the table body cannot be adjusted, and it cannot be adjusted according to the height of the user, so that when the height of the table body does not match the user, the user cannot use it normally, which affects the use effect. Invention content: [0003] The purpose of the present invention is to address the deficiencies of the prior art, and to provide a manual lifting monitoring platform, which can manually shake the two rotating disks at the same time, so as to realize the up and down adjustment of the table board, t...

AI Technical Summary

Problems solved by technology

[0002] The podium is a table set in front of the teacher when the teacher is giving lectures. It is used to place various teaching supplies. At the same time, the teacher can sit on a chair and be behind the table to display some teaching supplies on the table. , the height of the table body cannot be adjusted, and it cannot be adjusted according to the height of the user, so that when the height of the table body does not match the user, the user cannot use it normally, which affects the use effect

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