CN2132432Y

CN2132432Y - Table with lifted moving top

Info

Publication number: CN2132432Y
Application number: CN 92232277
Authority: CN
Inventors: 李久成
Original assignee: DENGTA WOODWORKING MACHINERY PLANT HARBIN CITY
Current assignee: DENGTA WOODWORKING MACHINERY PLANT HARBIN CITY
Priority date: 1992-09-04
Filing date: 1992-09-04
Publication date: 1993-05-12
Anticipated expiration: 2002-09-04

Abstract

The utility model overcomes the defect that the existing desk sold in the market can not be lifted at present. The utility model is composed of a moving upright post, a fixed upright post, a chain, a height adjusting button, a desktop lifting hinge, etc. The required adjusting height can be reached by adjusting a lifting turn knob, and the height is not adjusted and fixed by a plurality of height holes. The desktop has an adjustable angle which can be freely adjusted in a range smaller than ninety DEG. The utility model can be used as a writing desk, a classroom desk, an office desk, a drawing board and a music stand, and has the advantages of simple structure and convenient use.

Description

Table with lifted moving top

The utility model belongs to the household goods class and specifically relates to a grade desk.

Student's table of Chu Shouing in the market, the angle of most of height of table top and desktop is all fixed.In order to adapt to difference student's at school age needs, a kind of student's table that can regulate height of table top is arranged.This student's table is that wooden all the other all are metal structures except desktop, table leg is " fourth " font, a pair of two " Qian " shape metal troughs that are nested together are arranged on column, " Qian " shape groove of outside is a vertical columns, it and horizontal leg link together, " Qian " metal trough of the inside is the active column that can move up and down at vertical columns, it and desktop link together, when regulating height of table top, inner column can move up and down together with desktop, it highly is to regulate by the hole of several differing heights on the outer column, is screwed.This student's table exists certain shortcoming: regulate inconvenience, desktop is fixed, and can not regulate the gradient of desktop.

The purpose of this utility model provides a kind of easy to adjust, has to adapt to different student's needs at school age regulatory function highly, can regulate the desktop gradient again, adapts to different needs.Also can do easel, music easel use.

The utility model is achieved in that active column, vertical columns are " Qian " shape, and active column is in vertical columns, and active column, vertical columns respectively have an open slot, and chain and sprocket engagement are in active column, and chain is fixed on a side of active column.The height adjusting knob is fixed on active column and the vertical columns with axle, and desktop one end rides in the support, and the other end and desktop lifting chain are fixed together, and are axle with the desktop lifting chain, and the desktop angle is less than regulating in the 90 degree scopes.

Advantage of the present utility model is: simple in structure, with low cost, and usefulness more than one, easy to adjust, be the desirable apparatus of student, drawing, music easel.

Fig. 1 is the utility model structural principle schematic front view;

Fig. 2 is the utility model structural principle diagrammatic side view;

Fig. 3 is the utility model leg lifting structure principle schematic front view;

Fig. 4 is the utility model leg lifting structure principle diagrammatic side view;

Fig. 5 is the utility model desktop angle adjustment mechanism principle diagrammatic side view.

Desktop 1, drawer 2, tightening knob 3, height adjusting knob 4, highly fastening button 5, stull 6, facade plate 7, active column 8, vertical columns 9, horizontal leg 10, desktop lifting chain 11, chain 12, support 13, sprocket wheel 14, axle 15, open slot 16.Stull, active column, vertical columns, horizontal leg, facade plate all are metalworks, and the general iron of using can reduce cost.

Below in conjunction with accompanying drawing the utility model embodiment being done a step describes in detail.

Highly highly fastening button 5 is unclamped according to using, rotation height adjusting knob 4 promptly is adjusted to required height, screws highly fastening button 5.The desktop gradient is regulated arbitrarily in less than the scope of an angle of 90 degrees.When regulating the desktop angle, desktop is upwards lifted required angle, desktop lifting chain 11 promptly rotates, moves horizontally again at this moment, when desktop one end rides on facade plate 7 inboards, screws highly fastening button 5, and desktop just can be fixed on certain angle.Desktop unclamps the fastening button of hinge during as easel or music easel, and when desktop was raised to required angle, tightening knob screwed.

Claims

1, the liftable desk of a kind of active desktop is by desktop 1, drawer 2, tightening knob 3, height adjusting knob 4, highly fastening button 5, stull 6, facade plate 7, active column 8, vertical columns 9, horizontal leg 10, desktop lifting chain 11, chain 12, support 13, sprocket wheel 14, axle 15, open slot 16 is formed, it is characterized in that: active column, vertical columns is " Qian " shape, active column is among vertical columns, active column, vertical columns respectively has an open slot, chain and sprocket engagement are in active column, chain is fixed on a side of active column, the height adjusting knob is fixed on active column and the vertical columns with axle, desktop one end rides in the support, the other end and desktop lifting chain are fixed together, with the desktop lifting chain is axle, and the desktop angle is less than regulating in the 90 degree scopes.