CN205311159U - Universal blackboard - Google Patents

Abstract

The utility model discloses an universal blackboard is the roll lateral shifting of 101 realizations frame 100 outside of two closed slides of two lateral shifting cell boards 202 gyro wheel 205 through its bottom on outer frame 100 about, every lateral shifting cell board comprises with the little outer frame 201 that hangs lower movable plate two last lower movable plate that arrange from top to bottom, two go up lower movable plate through the flexibility on it restrict 204 hang outside little pulley on the frame inside casing 203 on. The beneficial effects of the utility model are that: one, possess four blackboard face, write regional greatly. Two, application module ization design theory has realized two push -and -pulls of controlling of going up lower movable plate, makes each blackboard face's removal more nimble, provides convenience in the time of can having the overcover in one side of blackboard.

Description

A kind of universal blackboard

Technical field

The utility model relates to a kind of blackboard, the especially a kind of blackboard that can adjust arbitrarily plate face position.

Background technology

At present, the Push-pull blackboard that most of colleges and universities are used is mainly divided into the plug-type and type of push and pull up down in left and right, and left and right Push-pull blackboard is made up of two blackboard surfaces, can move left and right, but this blackboard writing region is less, can not fully apply metope space, classroom. Type of push and pull up down blackboard is two blackboard surfaces each side, two blackboard surface push-and-pulls up and down of every side, and this blackboard writing region is large, can make full use of metope space. In current teaching, projecting apparatus becomes indispensable instruments used for education already, but in spatial limitation, projector curtain is usually arranged on the top of blackboard one side. In the time that projector curtain puts down, will block the blackboard of a side, the blackboard surface of half cannot be used, affect teaching.

Utility model content

Cannot possess in order to overcome existing blackboard metope space, classroom and the flexible mobile advantage of blackboard surface of making full use of simultaneously, the utility model provides a kind of universal blackboard, this blackboard has four blackboard surfaces, not only write region large, and can move flexibly, even if a side of blackboard has covering, four blackboard surfaces also can be write cmpletely, greatly improve efficiency of teaching. The purpose of this utility model is to realize by following means:

A kind of universal blackboard, two closed slides of the roller 205 of two of left and right transverse shifting cell board 202 by its upper bottom portion on outside framework 100,101 transverse shiftings of realizing at outside framework 100 that roll; Every transverse shifting cell board is made up of with the little outside framework 201 that suspension moves up and down plate two blocks of plates that move up and down of arranging up and down, and two move up and down plate and are suspended on the pulley 203 on little outside framework inside casing by the flexible strand 204 on it.

The utility model application module design concept, four blackboard surfaces are divided into two modules, two blackboard surfaces of each module are stuck in the sliding tray of outside framework, and a flexible strand is walked around a pulley and connected two blackboard surfaces, has so just realized in the push-and-pull up and down when two blackboard surfaces in front module. The below of this module is provided with two rollers, and two move up and down plate and wrapped up by a large outside framework, and move up and down the roller of plate and the assembling of the guide rail of outside framework, has so just realized two left and right push-and-pulls that move up and down plate. In the time that a side of blackboard is covered, two blackboard surfaces of opposite side can be write by upper and lower push-and-pull, write when full when the blackboard surface of this side, can write by left and right push-and-pull the blackboard surface of opposite side.

Compared with prior art, the beneficial effects of the utility model are: one, have four blackboard surfaces, write region large. Two, application module design concept, has realized two left and right push-and-pulls that move up and down plate, makes the movement of each blackboard surface more flexible, can in the time that a side of blackboard has overcover, provide convenience.

Brief description of the drawings

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is the utility model general structure schematic perspective view.

Fig. 2 is the A-A cutaway view Amplified image of Fig. 1.

Fig. 3 is the B-B cutaway view Amplified image of Fig. 1.

Fig. 4 is the little outside framework schematic perspective view of the utility model.

Fig. 5 is the K portion enlarged drawing of Fig. 4.

Fig. 6 is the little outside framework front view of the utility model.

Fig. 7 is the C-C cutaway view of Fig. 6.

Fig. 8 is the schematic perspective view that the utility model moves up and down the roller that plate installs below.

100. outside frameworks in figure, 101. guide rails, 102. guide grooves, 200. move up and down plate, 201. little outside frameworks, 202. blackboard surfaces, 203. pulleys, 204. flexible strand, 205. rollers, 206. sliding trays.

Detailed description of the invention

Fig. 1 is general structure of the present utility model, the outside framework shown in a Fig. 4 that moved up and down plate outer wrapping shown in two Fig. 3.

In the embodiment shown in fig. 4, two blackboard surfaces 202 are arranged in the sliding tray 206 of little outside framework 201, and a flexible strand 204 is walked around the upper end that pulley 203 connects two blackboard surfaces 202, has so just realized sliding up and down of two blackboard surfaces 202. Two rollers 205 with groove are installed in the lower end of little outside framework 201, the whole plate that moves up and down can be moved left and right.

Two upper ends that move up and down plate (Fig. 3) are stuck in the guide groove 102 of outside framework (Fig. 2), the groove that moves up and down the roller 205 (Fig. 5) of the lower end of plate (Fig. 3) matches with the guide rail 101 of outside framework (Fig. 2), realizes and moves up and down moving left and right of plate.

Claims (2)

1. a universal blackboard, is characterized in that, the two transverse shifting cell boards in left and right (202) are by its bottomTwo closed slides (101) scrolling realization of roller (205) on outside framework (100) at outside framework100 transverse shifting; Every transverse shifting cell board is by two moving up and down plate and hanging of arranging up and downThe little outside framework (201) of lower shifting board forms, and two move up and down plate by the flexible strand (204) on itBe suspended on the pulley (203) on little outside framework inside casing.

2. universal blackboard according to claim 1, is characterized in that, in the vertical frame of little outside framework, establishesBe equipped with and be convenient to two and move up and down plate and realize smoothly the sliding tray (206) moving up and down.