CN203697760U - Chalk sleeve for school - Google Patents
Chalk sleeve for school Download PDFInfo
- Publication number
- CN203697760U CN203697760U CN201420065732.4U CN201420065732U CN203697760U CN 203697760 U CN203697760 U CN 203697760U CN 201420065732 U CN201420065732 U CN 201420065732U CN 203697760 U CN203697760 U CN 203697760U
- Authority
- CN
- China
- Prior art keywords
- chalk
- sleeve
- school
- chalk sleeve
- scale mark
- 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
Links
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a chalk sleeve for a school. The chalk sleeve comprises sleeve pipes, a scale mark and an auxiliary handle connected with the scale mark, clamping ring pieces and open grooves are arranged on the sleeve pipes, inserting blocks are arranged on the upper portions of the sleeve pipes, scales and a sliding groove are arranged on the scale mark, a fastening bolt connected with the inserting blocks is arranged in the sliding groove, an inserting groove corresponding to the inserting blocks is formed in the scale mark, screw holes are formed in the middles of the inserting blocks, and slidable fastening bolts are arranged on the clamping ring pieces. The chalk sleeve for the school is simple in structure and convenient to use, short chalk heads can be placed in the chalk sleeve, a teacher can write on a blackboard conveniently, the scales are arranged on the scale mark, equidistant straight lines can be drawn, and meanwhile the chalk sleeve has the advantage of being low in cost.
Description
Technical field
The utility model relates to teaching aid in, particularly a kind of school chalk sleeve.
Background technology
At present in school instruction, writing on the blackboard one of the content that is absolutely necessary.Teacher or student are in the enterprising andante book of blackboard; usually can run into chalk shortens; the only situation of remaining chalk end; now; the inconvenient utilization of these chalk ends will be thrown away, and cause waste, and teacher is in setting-out; just good utilisation more not of some chalks that shorten, causes some chalk ends to waste and affect teacher's efficiency of teaching.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of school chalk sleeve, simple in structure, easy to use, can save chalk and facilitate teachers ' teaching.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of school chalk sleeve, comprise sleeve pipe, graduated scale and the auxiliary handle being connected with graduated scale, described sleeve pipe is provided with clamping ring and open slot, the top of described sleeve pipe is provided with insertion piece, described graduated scale is provided with scale and sliding tray, is provided with and the fastening bolt that inserts piece and be connected in described sliding tray, is provided with the insertion groove corresponding with inserting piece in described graduated scale.
As preferably, the centre position of described insertion piece is provided with screw.
As preferably, described clamping ring is provided with slidably fastening bolt.
The beneficial effects of the utility model are:
A kind of school of the utility model chalk sleeve, simple in structure, easy to use, short chalk end can be placed in chalk sleeve, convenient while so just making teacher's writing on the blackboard, and graduated scale is provided with scale, can draw equidistant straight line, there is advantage with low cost in the utility model simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of school of the utility model chalk sleeve.
In figure, 1-sleeve pipe, 2-graduated scale, 3-auxiliary handle, 4-clamps ring, 5-open slot, 6-inserts piece, 7-scale, 8-sliding tray, 9-fastening bolt, 10-insertion groove, 11-screw.
The specific embodiment
As shown in Figure 1, a kind of school chalk sleeve, comprise sleeve pipe 1, graduated scale 2 and the auxiliary handle 3 being connected with graduated scale, described sleeve pipe 1 is provided with clamping ring 4 and open slot 5, the top of described sleeve pipe 1 is provided with inserts piece 6, described graduated scale 2 is provided with scale 7 and sliding tray 8, in described sliding tray 8, be provided with and the fastening bolt 9 that inserts piece 6 and be connected, in described graduated scale 2, be provided with the insertion groove corresponding with inserting piece 6 10, the centre position of described insertion piece 6 is provided with screw, and described clamping ring 4 is provided with slidably fastening bolt; Described auxiliary handle 3 can make penholder and use, and also can facilitate teacher to grip, and described sleeve pipe 1 can take off independent use, also can adjust fastening bolt 9, to insert piece 6 and slide in sliding tray, and adjust length and carry out picture four line three lattice etc. afterwards, whole process is easy to realize.
Above-described the utility model embodiment, does not form the restriction to the utility model protection domain.Any modification of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (3)
1. school's chalk sleeve, it is characterized in that: comprise sleeve pipe, graduated scale and the auxiliary handle being connected with graduated scale, described sleeve pipe is provided with clamping ring and open slot, the top of described sleeve pipe is provided with insertion piece, described graduated scale is provided with scale and sliding tray, in described sliding tray, be provided with and the fastening bolt that inserts piece and be connected, in described graduated scale, be provided with the insertion groove corresponding with inserting piece.
2. a kind of school according to claim 1 chalk sleeve, is characterized in that: the centre position of described insertion piece is provided with screw.
3. a kind of school according to claim 1 chalk sleeve, is characterized in that: described clamping ring is provided with slidably fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065732.4U CN203697760U (en) | 2014-02-14 | 2014-02-14 | Chalk sleeve for school |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065732.4U CN203697760U (en) | 2014-02-14 | 2014-02-14 | Chalk sleeve for school |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697760U true CN203697760U (en) | 2014-07-09 |
Family
ID=51048250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420065732.4U Expired - Fee Related CN203697760U (en) | 2014-02-14 | 2014-02-14 | Chalk sleeve for school |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203697760U (en) |
-
2014
- 2014-02-14 CN CN201420065732.4U patent/CN203697760U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20160214 |