CN201390053Y

CN201390053Y - Erasable and writable chalk holder

Info

Publication number: CN201390053Y
Application number: CN200920024269U
Authority: CN
Inventors: 亓文会; 吕美霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-27
Filing date: 2009-03-27
Publication date: 2010-01-27
Anticipated expiration: 2019-03-27

Abstract

The utility model discloses an erasable and writable chalk holder, which comprises a clamping sleeve (1), a blackboard eraser seat (2) and a blackboard eraser (3); the back end of the clamping sleeve (1) is fixed with the blackboard eraser seat (2), the blackboard eraser (3) is fixed in the blackboard eraser seat (2). The erasable and writable chalk holder is characterized in that a chalk positioning plate (7) is fixed at the front part in the cavity of the clamping sleeve (1), the middle of the chalk positioning plate (7) is provided with a chalk positioning hole (8), the back part in the cavity of the clamping sleeve (1) is provided with a pushing plate (6), a top pushing spring (4) is fixed between the pushing plate (6) and the bottom wall of the clamping sleeve (1), the front port of the clamping sleeve (1),is provided with a holding device (9). The erasable and writable chalk holder is convenient and fast to use, and integrates the chalk and the blackboard eraser, and can timely modify the writing wrong words, and increases the writing speed, meanwhile, the erasable and writable chalk holder is clean and pollution-free, and improves the teaching environment for the teachers, and increases the teaching efficiency and is convenient to carry.

Description

Can wipe and to write the chalk clamper

Technical field

The utility model relates to a kind of teaching aid, and specifically a kind of the wiping can be write the chalk clamper.

Background technology

Many weeks, the content of courses need be write with chalk at school the time by school teacher on blackboard, in the process of writing, the general left hand of teacher is taken book, the right hand word that writes with chalk, and occurs when wrong when writing, need put down book, pick up blackboard eraser and make amendment, the weak point of this writing and teaching mode is: the teacher need pick up and put down blackboard eraser repeatedly when writing and alter, reduce the speed of writing, thereby reduced efficiency of teaching; The teacher who has is in order to save trouble, the wrongly written character on directly erasing the board with hand, and with the speed that raising is write, causing the full hand of teacher so all is chalk powder, and the skin of hand is caused certain injury, influences healthy.

Summary of the invention

It is a kind of simple in structure, easy to use that the purpose of this utility model is to provide, and chalk and blackboard eraser are integrated in one, can time update to writing wrongly written character, improve wiping of writing speed and can write the chalk clamper.

In order to reach above purpose, the technical scheme that the utility model adopted is: this can be wiped and can write the chalk clamper, by chuck, blackboard eraser seat and blackboard eraser constitute, the fixing blackboard eraser seat of going up in the rear end of chuck, blackboard eraser is fixed in the blackboard eraser seat, chalk is fixed in the chuck, the teacher writes by hand-held chuck, when mistake occurring, blackboard eraser with the rear end is in time wiped, not only improved writing speed, and the teacher contacts chalk without hand, prevent the injury of chalk to hand, it is characterized in that front portion in the chuck chamber fixing on the chalk location-plate, the middle part of chalk location-plate is provided with the chalk locating hole, rear portion in the chuck chamber is provided with push pedal, the fixing goring push spring of going up between the diapire of push pedal and chuck, front end oral area at chuck is provided with clamping device, chalk passes the clamping hole on the clamping device, pass the chalk locating hole again, withstand in the push pedal, by cooperatively interacting of clamping device and chalk location-plate, chalk is fixed in the chuck, teacher's hand takes chuck to write, when chalk more in short-term, press the handle on the clamping device, chalk is under the effect of goring push spring, released forward by push pedal, when serving as a teacher being of convenient length of thinking that chalk exposes, release handle, clamping device cooperates the clamping chalk once more with the chalk location-plate, prevents that chalk is loosening.The utility model is also implemented by following measure: described clamping device, constitute by handle, grip block and clamp springs, grip block is located at the interior accent of chuck along the place, after the connecting rod of one end passes through hole on the chuck wall, fixing upper handle, conveniently to pass through lever operated grip block, the fixing clamp springs that goes up between the inwall of the other end and chuck, middle part at grip block is provided with clamping hole, chalk passes clamping hole, enter the chalk locating hole, under the effect of clamp springs, make clamping hole and chalk locating hole clamp chalk; On the blackboard eraser seat, be provided with the blackboard eraser lid, after having a class, can cover blackboard eraser, prevent that the chalk powder that adheres on the blackboard eraser from polluting surrounding environment, is easy to carry with blackboard eraser; The overall diameter of described blackboard eraser seat is 3-4cm.When using the utility model, earlier chalk is inserted in the chuck, adjust the length that chalk exposes, write by operating grip, when wrongly written character occurring, the upset chuck is wiped with blackboard eraser and get final product, at school after the end, cover the blackboard eraser lid, release chalk, can be contained in the pocket and take away.

The beneficial effects of the utility model are: compare with blackboard eraser with the chalk of present use, easy to use, quick, chalk and blackboard eraser are integrated in one, can time update write wrongly written character, improve writing speed, simultaneously, totally, pollution-free, improved teacher's teaching environment, improved efficiency of teaching, be convenient to carry.

Description of drawings

Fig. 1 looks schematic diagram for structure master of the present utility model.

Fig. 2 looks schematic diagram for a structure of the present utility model left side.

Fig. 3 analyses and observe enlarged diagram for the utility model along Fig. 2 A-A.

The specific embodiment

Make the utility model with reference to accompanying drawing 1,2.This can be wiped and can write the chalk clamper, by chuck 1, blackboard eraser seat 2 and blackboard eraser 3 constitute, the fixing blackboard eraser seat 2 of going up in the rear end of chuck 1, blackboard eraser 3 is fixed in the blackboard eraser seat 2, chalk is fixed in the chuck 1, it is characterized in that front portion in chuck 1 chamber fixing on chalk location-plate 7, the middle part of chalk location-plate 7 is provided with chalk locating hole 8, rear portion in chuck 1 chamber is provided with push pedal 6, the fixing goring push spring 4 of going up between the diapire of push pedal 6 and chuck 1 is provided with clamping device 9 at the front end oral area of chuck 1, and chalk passes the clamping hole 92 on the clamping device 9, pass chalk locating hole 8 again, withstand in the push pedal 6.Described clamping device 9, constitute by handle 91, grip block 93 and clamp springs 94, grip block 93 is located at the interior accent of chuck 1 along the place, after the connecting rod of one end passes through hole on chuck 1 wall, fixedly upper handle 91, the fixing clamp springs 94 that goes up is provided with clamping hole 92 at the middle part of grip block 93 between the inwall of the other end and chuck 1; On blackboard eraser seat 2, be provided with blackboard eraser lid 5; The overall diameter of described blackboard eraser seat 2 is 3-4cm.

Claims

1, a kind of wiping can be write the chalk clamper, constitute by chuck (1), blackboard eraser seat (2) and blackboard eraser (3), the fixing blackboard eraser seat (2) of going up in the rear end of chuck (1), blackboard eraser (3) is fixed in the blackboard eraser seat (2), it is characterized in that the fixing chalk location-plate (7) of going up in front portion in chuck (1) chamber, the middle part of chalk location-plate (7) is provided with chalk locating hole (8), rear portion in chuck (1) chamber is provided with push pedal (6), the fixing goring push spring (4) of going up between the diapire of push pedal (6) and chuck (1) is provided with clamping device (9) at the front end oral area of chuck (1).

2, the according to claim 1 wiping can be write the chalk clamper, it is characterized in that described clamping device (9), constitute by handle (91), grip block (93) and clamp springs (94), grip block (93) is located at the interior accent of chuck (1) along the place, after the connecting rod of one end passes through hole on chuck (1) wall, fixedly upper handle (91) is fixed between the inwall of the other end and chuck (1) and is gone up clamp springs (94), is provided with clamping hole (92) at the middle part of grip block (93); On blackboard eraser seat (2), be provided with blackboard eraser lid (5).