CN2464553Y

CN2464553Y - Slide blackboard

Info

Publication number: CN2464553Y
Application number: CN 00267698
Authority: CN
Inventors: 敖祎
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-26
Filing date: 2000-12-26
Publication date: 2001-12-12
Anticipated expiration: 2010-12-26

Abstract

The utility model relates to a novel slide blackboard, which belongs to the technical field of the subgroup of blackboards under the subclass of writing or drawing articles and auxiliary writing or drawing articles in the class of writing or drawing instruments and office articles under the subsection of printing in the section of operation and transportation according to the International Patent Classification (IPC). The serial number is B43L1/04. The blackboard is composed of connection ropes, a right pulley, an upper blackboard frame, an upper blackboard, a right rotary block, a lower blackboard frame, a lower blackboard, a large framework, a cross beam, a left pulley, a left rotary block, an upper hair felt and a lower hair felt. The blackboard is characterized in that the upper rectangular blackboard and the lower rectangular blackboard are respectively arranged on the upper rectangular blackboard frame and the lower rectangular blackboard frame. The utility model is a novel slide blackboard with practical value.

Description

Novel extracting and pushing type blackboard

The utility model relates to novel extracting and pushing type blackboard.Belong to operation Department of Transportation by International Patent Classification (IPC) (IPC) classification, printing branch is write or drawing appliance, the big class of office appliance is write or drawing article, the assistant product group of writing or draw, big group of reusable plate of writing or drawing or tablet, the little technical group field of blackboard.Be numbered B43L1/04.

At present, existing and once had about big group of the reusable plate of writing or drawing or tablet, the technology of blackboard group was all done very fruitful effort to the demand of novel extracting and pushing type blackboard, also once designed many outstanding technical schemes.As declaring by Lee is latent of the Decree of Patent Office of China in 1996, Granted publication number is CN2187117Y, and China Patent No. (ZL) is: No. 94237149.6 utility model title is the utility model patent of " magnetic small blackboard ", the technical scheme that is adopted.Big group of the reusable plate of writing or drawing or tablet, blackboard group technical elements is a routine of great value invention, and it has solved the problem of magnetic small blackboard effectively.But still have some deficits, when it also is difficult to solve two blackboards uses, when blackboard makes progress, can be automatically the clean problem of downward blackboard eraser.

The purpose of this utility model is to provide a kind of novel extracting and pushing type blackboard.When using to solve two blackboards, when blackboard makes progress, can be automatically the clean problem of downward blackboard eraser.

The purpose of this utility model is achieved in that the novel extracting and pushing type blackboard of this utility model.Mainly by connection cord, right pulley, go up the blackboard frame, go up blackboard, the right-hand rotation piece, down the blackboard frame, down blackboard, big frame, crossbeam, left chain wheel, left-hand rotation piece, go up felt, felt constitutes down.Its major part right pulley, right pulley are by selecting for use on the market.Its left-hand rotation piece is parallel six shapes with the right-hand rotation piece, makes material with wooden unit, through the machining manufacturing.Its last blackboard frame and following blackboard frame are rectangular shape, make material with wooden unit, through the machining manufacturing.Its crossbeam is a rectangular shape, makes material with wooden unit, through the machining manufacturing.The last felt of its rectangular shape and following felt adopt adhesive method to be installed on the last blackboard frame and following blackboard frame of rectangular shape, form the adhesive structure of a rectangular shape.The last blackboard of its rectangular shape and following blackboard adopt clamping means to be installed in respectively on the last blackboard frame and following blackboard frame of rectangular shape.Form the clamping structure of a rectangular shape.The left-hand rotation piece of its parallelepiped shape and right-hand rotation piece adopt the axle coupling method to be installed on the big frame of rectangular shape.Form the shaft coupling structure of a rectangular shape.Its round-shaped left chain wheel and right pulley adopt the axle coupling method to be installed on the crossbeam of rectangular shape.Form the shaft coupling structure of a rectangular shape.The last blackboard frame of its rectangular shape and following blackboard frame adopt the chute coupling method to be installed on the big frame of rectangular shape.Form the chute draw bail of a rectangular shape.Its following blackboard frame acts on blackboard by last felt and play felt, thereby makes the satisfied requirement that can automatic blackboard cleaning of felt and following felt.Its last blackboard frame acts on down the blackboard frame by connection cord, can keep the right and left weight balancing thereby connection cord is finished, thus the task that blackboard frame and following blackboard frame are moved up and down easily.So just realized the purpose of this utility model.

Big group of the utility model and the original reusable plate of writing or drawing or tablet, the technology of blackboard group has been compared three advantages and improvement;

The first, because the utility model has designed felt and following felt in technical scheme, so solved the clean problem of blackboard eraser of the face of can taking out blackboard automatically;

The second, because the utility model designed left-hand rotation piece and right-hand rotation piece in technical scheme, the problem that do not collide so solved that blackboard can move up and down;

The 3rd, because the utility model has designed blackboard frame and following blackboard frame in technical scheme, can install blackboard and following blackboard so solved, can install the problem of felt and following felt.Thereby in the time of just more effectively having solved two blackboards uses, when blackboard makes progress, can be automatically the clean problem of downward blackboard eraser.

Accompanying drawing provides structural representation of the present utility model:

Fig. 1 is the general structure schematic diagram of novel extracting and pushing type blackboard of the present utility model;

Fig. 2 is that the A of novel extracting and pushing type blackboard of the present utility model is to the sectional structure schematic diagram;

Fig. 3 is the last blackboard frame of novel extracting and pushing type blackboard of the present utility model and the structural representation of following blackboard frame;

The numbering of parts explanation in the schematic diagram: 13 times felts of felt on 7 times blackboards of 6 times blackboard frames of blackboard 5 right-hand rotation pieces, 8 big frames, 9 crossbeams, 10 left chain wheels, the 11 left-hand rotation pieces 12 on the blackboard frame 4 on 1 connection cord, 2 right pulley 3

Below in conjunction with accompanying drawing, the utility model is described further:

As shown in the figure, novel slide blackboard of the present utility model. Mainly by connection cord 1, right cunning Wheel 2, upper blackboard frame 3, upper blackboard 4, right-hand rotation piece 5, lower blackboard frame 6, lower blackboard 7, Big frame 8, crossbeam 9, right pulley 10, left-hand rotation piece 11, upper felt 12, lower felt 13 consist of. Its major part right pulley 2, right pulley 10 are by selecting on the market. Its left-hand rotation Piece 11 is parallel six shapes with right-hand rotation piece 5, makes material with wooden unit, through the machining manufacturing. Its upper blackboard frame 3 and lower blackboard frame 6 are rectangular shape, make material with wooden unit, through cutting Processing and manufacturing. Its crossbeam 9 is rectangular shapes, makes material with wooden unit, through the machining manufacturing. The upper felt 12 of its rectangular shape and lower felt 13 adopt adhesive method to be installed in cuboid On the upper blackboard frame 3 and lower blackboard frame 6 of shape, form the adhesive structure of a rectangular shape. It The upper blackboard 4 of rectangular shape and lower blackboard 7 adopt clamping means to be installed in respectively rectangle shape On the upper blackboard frame 3 and lower blackboard frame 6 of shape. Form the clamping structure of a rectangular shape. It The left-hand rotation piece 11 of parallelepiped shape and right-hand rotation piece 5 adopt the axle coupling methods to be installed in rectangular On the big frame 8 of shape shape. Form the shaft coupling structure of a rectangular shape. Its circular shape The left chain wheel 10 of shape and right pulley 2 adopt the axle coupling method to be installed in the crossbeam 9 of rectangular shape On. Form the shaft coupling structure of a rectangular shape. The upper blackboard frame 3 of its rectangular shape Adopt the chute coupling method to be installed on the big frame 8 of rectangular shape with lower blackboard frame 6. Form The chute draw bail of a rectangular shape. Its lower blackboard frame 6 is by upper felt 12 and lower Felt 13 acts on blackboard 4, can be certainly thereby felt 12 and lower felt 13 are satisfied The moving requirement that erases the board. Its upper blackboard frame 3 acts on lower blackboard frame 6 by connection cord 1, Can keep the right and left weight balancing thereby connection cord 1 is finished, thereby conveniently make the blackboard frame 3 and lower blackboard frame 6 task of moving up and down easily. So just realized the purpose of this utility model. Thereby in the time of just having solved two blackboards uses, when blackboard makes progress, can be automatically downward blackboard eraser Clean problem.

Below by embodiment, the utility model is done more detailed description:

Embodiment 1, in force, if use blackboard at school the time, when on following blackboard 7, writing full letter written with chalk, only need following blackboard 7 is upwards pushed away, because last blackboard frame 3 is connected by connection cord 1 with following blackboard frame 6, so do not cost power when upwards pushing away blackboard frame 6, when blackboard frame 6 moves up instantly, the last felt 12 and the following felt 13 of following blackboard frame 6 back will be wiped clean the last blackboard 4 on the blackboard frame 3, and the last blackboard 4 of blackboard frame 3 drives moves downward on this moment, because the effect of left-hand rotation piece 11 and right-hand rotation piece 5, last blackboard frame 3 and following blackboard frame 6 can not collide mutually, thereby can wipe clean the last blackboard 4 of following blackboard frame 6 back.

Embodiment 2, in force, if the utility model not will with blackboard all wipe clean, can wipe with the letter written with chalk that blackboard eraser is wiped needs, just can continue to have used clean blackboard.Thereby just can realize the purpose of this utility model.

Realize that preferred plan of the present utility model is is material with the wooden unit, utilize the basic equipment of blackboard processing factory, take cutting, bonding to produce by batch, the demand with supply teaching circle so just can realize practical value of the present utility model and economic worth better.

Claims

1. novel extracting and pushing type blackboard, it is by connection cord (1), right pulley (2), last blackboard frame (3), last blackboard (4), right-hand rotation piece (5), following blackboard frame (6), following blackboard (7), big frame (8), crossbeam (9), left chain wheel (10), left-hand rotation piece (11), last felt (12), following felt (13) constitutes, the last felt (12) of its rectangular shape and following felt (13) are installed on the last blackboard frame (3) and following blackboard frame (6) of rectangular shape, it is characterized in that on its last blackboard (4) and last blackboard frame (3) and following blackboard frame (6) that following blackboard (7) is installed in rectangular shape respectively of rectangular shape.

2. novel extracting and pushing type blackboard according to claim 1 is characterized in that on its left-hand rotation piece (11) and big frame (8) that right-hand rotation piece (5) is installed in rectangular shape of parallelepiped shape.

3. novel extracting and pushing type blackboard according to claim 1, it is characterized in that it round-shaped left chain wheel (10) and right pulley (2) be installed in rectangular shape crossbeam (9) on.

4. novel extracting and pushing type blackboard according to claim 1 is characterized in that on its last blackboard frame (3) and big frame (8) that following blackboard frame (6) is installed in rectangular shape of rectangular shape.