CN202286793U

CN202286793U - Teaching chalk box

Info

Publication number: CN202286793U
Application number: CN2011204664554U
Authority: CN
Inventors: 马承赟
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-09
Filing date: 2011-11-09
Publication date: 2012-07-04
Anticipated expiration: 2021-11-09

Abstract

The utility model provides a teaching chalk box, which relates to a teaching assisting tool and is characterized in that: the upper end of a cuboid box body where the outer wall of a bottom surface is provided with a sucking disk is provided with a box cover; a circular chalk outlet hole of which the inner diameter adapts to the outer diameter of a chalk is formed at the left end of the box cover; the outer wall of the box cover which is adjacent to the chalk outlet hole is rotationally connected with a sealing cover which is provided with a handle and can be used for sealing the chalk outlet hole; a clapboard of which the distance away from the upper end of the box body is the same as the length of a chalk is arranged inside the box body; the left end of the clapboard is provided with a through hole which corresponds to the chalk outlet hole and of which the inner diameter is smaller than the outer diameter of a chalk; a support spring is connected between a push plate above the clapboard and the right side plate surface of the box body; the inner wall of the box body below the clapboard is rotationally connected with a handle through a pin shaft; a carrier rod which adapts to the through hole on the clapboard is fixed at the left end of the handle; a balance spring is connected between the bottom surface of the left end and the box bottom; and the right end of the handle is exposed outside the box body after passing through a rectangular through hole on the right side plate surface of the box body. Due to the adoption of the teaching chalk box, chalks in the box body can be conveniently taken out rapidly, and time and labor are saved.

Description

Chalk holder is used in teaching

Technical field

The utility model relates to teaching appurtenance technical field, and chalk holder is used in specifically a kind of teaching.

Background technology

Chalk be in the teaching through article commonly used, at present, the used chalk of imparting knowledge to students mostly is placed in the chalk holder or wooden etui that paper does; Need in its box, extract during use; Because a large amount of chalks is crowded together, extract very inconvenience, this has brought a lot of troubles for the teacher of teaching.

Summary of the invention

The purpose of the utility model is to overcome above-mentioned deficiency, provides a kind of simple in structure, easy and simple to handle, and chalk holder is used in the teaching of being convenient to the chalk extraction.

The purpose of the utility model is achieved in that this teaching is made up of box body, lid, dividing plate, push pedal, handle, push rod with chalk holder; The cuboid box body upper end that the bottom surface outer wall is provided with sucker is provided with lid; Be provided with the circular chalk that internal diameter and chalk external diameter adapt above the lid left end and portal, what have handle above being rotationally connected near the lid outer wall chalk portals can be with the portal seal cover of sealing of chalk; Box body inside is provided with apart from the box body upper end distance dividing plate identical with chalk length; The dividing plate left end is provided with and the chalk through hole of corresponding internal diameter less than the chalk external diameter that portal; Be connected with support spring between the push pedal of dividing plate top and the box portion right lateral plates; On the inboard wall of cartridge of dividing plate below through the bearing pin handle that is being rotationally connected; Fixing the push rod that adapts with through hole above the dividing plate above the handle left end, be connected with balancing spring between at the bottom of left end bottom surface and the box, the handle right-hand member is exposed at the box body outside after passing the rectangular through holes on the box portion right lateral plates.

Laterally be placed on above the dividing plate in the box body chalk also stable successively through the push pedal clamping; Through sucker this device is absorbed and fixed on the lectern then; During use, push the handle right-hand member, the push rod above the handle left end can will eject chalk and portal near the chalk of the box body leftmost side; The interior chalk of box body moves to left under the effect of push pedal and support spring successively after taking out chalk, and push rod can reset under the effect of support spring.

The advantage of the utility model: simple in structure, easy and simple to handle, can very easily the chalk in the box body be taken out, time saving and energy saving, improve efficiency of teaching.

Description of drawings

Accompanying drawing is the structure cutaway view of the utility model.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail: this teaching is made up of box body 1, lid 2, dividing plate 3, push pedal 4, handle 5, push rod 6 with chalk holder; Cuboid box body 1 upper end that the bottom surface outer wall is provided with sucker 7 is provided with the lid 2 that adapts with it; Be provided with the circular chalk that internal diameter and chalk external diameter adapt above lid 2 left ends and portal, what have handle above being rotationally connected near lid 2 outer walls chalk portals can be with the portal seal cover 8 of sealing of chalk; Box body 1 inside is provided with apart from the box body 1 upper end distance dividing plate 3 identical with chalk length; Dividing plate 3 left ends are provided with and the chalk through hole of corresponding internal diameter less than the chalk external diameter that portal; Be connected with support spring 9 between the push pedal 4 of dividing plate 3 tops and the box body 1 right plate face; On box body 1 inwall of dividing plate 3 belows through the bearing pin handle 5 that is being rotationally connected; Fixing the push rod 6 that adapts with through holes above the dividing plate 3 above handle 5 left ends, be connected with balancing spring 10 between at the bottom of left end bottom surface and the box, handle 5 right-hand members are exposed at box body 1 outside after passing the rectangular through holes on the box body 1 right plate face.

Claims

1. chalk holder is used in a teaching; Form by box body (1), lid (2), dividing plate (3), push pedal (4), handle (5), push rod (6); It is characterized in that cuboid box body (1) upper end that the bottom surface outer wall is provided with sucker (7) is provided with lid (2); Lid (2) is provided with the circular chalk that internal diameter and chalk external diameter adapt and portals above the left end, what have handle above being rotationally connected near lid (2) outer wall chalk portals can be with the portal seal cover (8) of sealing of chalk; Box body (1) inside is provided with apart from box body (1) the upper end distance dividing plate (3) identical with chalk length; Dividing plate (3) left end is provided with and the chalk through hole of corresponding internal diameter less than the chalk external diameter that portal; Be connected with support spring (9) between the push pedal (4) of dividing plate (3) top and box body (1) the right plate face; On box body (1) inwall of dividing plate (3) below through the bearing pin handle (5) that is being rotationally connected; Handle (5) is being fixed above the left end and the push rod (6) that adapts of through hole above the dividing plate (3), is connected with balancing spring (10) between at the bottom of left end bottom surface and the box, and handle (5) right-hand member is exposed at box body (1) outside after passing the rectangular through holes on box body (1) the right plate face.