CN202269553U - Chalk self-taking box for teaching - Google Patents
Chalk self-taking box for teaching Download PDFInfo
- Publication number
- CN202269553U CN202269553U CN2011204250667U CN201120425066U CN202269553U CN 202269553 U CN202269553 U CN 202269553U CN 2011204250667 U CN2011204250667 U CN 2011204250667U CN 201120425066 U CN201120425066 U CN 201120425066U CN 202269553 U CN202269553 U CN 202269553U
- Authority
- CN
- China
- Prior art keywords
- chalk
- box body
- box
- left end
- teaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a chalk self-taking box for teaching, relating to an auxiliary teaching appliance. The chalk self-taking box for teaching is characterized in that the upper end of a cuboid box body (the outer wall of the bottom surface thereof is provided with a sucking disc) is provided with a box lid, a round chalk outlet hole (the inner diameter thereof fits with the outer diameter of a chalk) is arranged above the left end of the box lid, and the outer wall of the box lid near the chalk outlet hole is rotatablely connected with a seal cover which is provided with a handle and can seal the chalk outlet hole; the inside of a box body is provided with a partition board (the distance between the partition board and the upper end of the box body is the same as the length of the chalk), the left end of the partition board is provided with a through hole (the through hole is corresponding to the chalk outlet hole, and the inner diameter thereof is less than the outer diameter of the chalk), a supporting spring is connected between a pushing board above the partition board and the right-side board surface of the box body, the inner wall of the box body below the partition board is rotatablely connected with a hand shank by a hinge pin, a push rod fitting with the through hole on the partition board is fixed on the left end of the hand shank, a balancing spring is connected between the bottom surface of the left end of the hand shank and the bottom of the box, and the right end of the hand shank passes through the rectangular through hole on the right-side board surface of the box body and then is exposed to the outside of the box body. The chalk self-taking box for teaching can help people to quickly take chalks out of the box body, thereby saving time and labor.
Description
Technical field
The utility model relates to teaching appurtenance technical field, and specifically a kind of teaching is with the chalk box of asking for.
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, is convenient to teaching that chalk extracts with the chalk box of asking for.
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 the chalk box of asking for; 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 the chalk box of asking for; 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)
1. a teaching is with the chalk box of asking for; 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204250667U CN202269553U (en) | 2011-10-23 | 2011-10-23 | Chalk self-taking box for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204250667U CN202269553U (en) | 2011-10-23 | 2011-10-23 | Chalk self-taking box for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202269553U true CN202269553U (en) | 2012-06-13 |
Family
ID=46189947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204250667U Expired - Fee Related CN202269553U (en) | 2011-10-23 | 2011-10-23 | Chalk self-taking box for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202269553U (en) |
-
2011
- 2011-10-23 CN CN2011204250667U patent/CN202269553U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20121023 |