CN2827747Y - Two-used holder for pointer and chalk - Google Patents
Two-used holder for pointer and chalk Download PDFInfo
- Publication number
- CN2827747Y CN2827747Y CN 200520122595 CN200520122595U CN2827747Y CN 2827747 Y CN2827747 Y CN 2827747Y CN 200520122595 CN200520122595 CN 200520122595 CN 200520122595 U CN200520122595 U CN 200520122595U CN 2827747 Y CN2827747 Y CN 2827747Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- utility
- bushing
- model
- pointer
- 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
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a two-used bushing for a pointer and a chalk, which comprises a bushing and a telescopic rod, wherein the bushing has two segments, both ends of the two segments of the bushing are respectively and symmetrically provided with a chalk core and a compression spring; the telescopic rod is arranged between the two compression springs, and both ends of the telescopic rod are respectively connected with the two segments of the bushing by rotating buttons. The utility model has the advantages of simple structure and convenient use; when the utility model is used for writing, a chalk can be inserted into the chalk core, and the elastic force of the compression springs can be adjusted by the rotating buttons so that the chalk can be extended freely to facilitate writing; when the utility model is used as a pointer, by adjusting the rotating buttons, the chalk is enabled to withdraw in the chalk core of the bushing and the telescopic rod can be elongated. The utility model has a double function, can be widely used for teaching and is an ideal teaching aid.
Description
Technical field the utility model belongs to the teaching aid technical field, is specifically related to a kind of teacher's pointer, dual-purpose sleeve pipe of chalk of can be used as.
All as the teaching aid of function singleness, teacher's pointer is straight-bar type for the teacher's pointer of background technology prior art and chalk, not flexible or folding carry, deposit inconvenience; Fracture easily during chalk writing, time-consuming, effort, take thing.
The summary of the invention the purpose of this utility model provides and a kind ofly saves time, laborsaving, the dual-purpose sleeve pipe of teacher's pointer chalk of economizing thing, to overcome the deficiencies in the prior art.
For achieving the above object, the dual-purpose sleeve pipe of the utility model teacher's pointer chalk, it comprises sleeve pipe and expansion link, said sleeve pipe is two sections, the two ends of two sections sleeve pipes are arranged with chalk core and compression spring respectively, expansion link places between the two compression springs, and the two ends of expansion link are connected with two sections sleeve pipes by knob respectively.
The utility model is simple in structure, easy to use, when writing chalk is inserted the chalk in-core of sleeve pipe, and the elastic force that compresses spring by the knob adjustment freely stretches chalk, is convenient to write; When doing the teacher's pointer use, adjust knob and make chalk take in the chalk in-core of sleeve pipe, the expansion link elongation is got final product.The utlity model has double duty, can be widely used in teaching, is a kind of comparatively desirable teaching aid.
Appended drawings is the utility model structural representation.
The specific embodiment with reference to the accompanying drawings, the dual-purpose sleeve pipe of the utility model teacher's pointer chalk, it comprises sleeve pipe 1 and expansion link 2, sleeve pipe 1 is two sections, the two ends of two sections sleeve pipes 1 are arranged with chalk core 5 and compression spring 3 respectively, expansion link 2 places between the two compression springs 3, and the two ends of expansion link 2 are connected with two sections sleeve pipes 1 by knob 4 respectively.
Claims (1)
1, the dual-purpose sleeve pipe of a kind of teacher's pointer chalk, it comprises sleeve pipe and expansion link, it is characterized in that said sleeve pipe is two sections, and the two ends of two sections sleeve pipes are arranged with chalk core and compression spring respectively, expansion link places between the two compression springs, and the two ends of expansion link are connected with two sections sleeve pipes by knob respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520122595 CN2827747Y (en) | 2005-10-17 | 2005-10-17 | Two-used holder for pointer and chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520122595 CN2827747Y (en) | 2005-10-17 | 2005-10-17 | Two-used holder for pointer and chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2827747Y true CN2827747Y (en) | 2006-10-18 |
Family
ID=37079303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520122595 Expired - Fee Related CN2827747Y (en) | 2005-10-17 | 2005-10-17 | Two-used holder for pointer and chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2827747Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103524A (en) * | 2021-12-15 | 2022-03-01 | 张琳 | Be applicable to teaching aid for middle and primary school's english informatization classroom teaching |
-
2005
- 2005-10-17 CN CN 200520122595 patent/CN2827747Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103524A (en) * | 2021-12-15 | 2022-03-01 | 张琳 | Be applicable to teaching aid for middle and primary school's english informatization classroom teaching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202568737U (en) | Limb positioning supporting frame for orthopedic surgery | |
| CN2827747Y (en) | Two-used holder for pointer and chalk | |
| CN202407812U (en) | Student book folder | |
| CN207842443U (en) | A kind of chalk tube | |
| CN202515053U (en) | Teaching drawing board | |
| CN201833777U (en) | Novel blackboard eraser | |
| CN201977833U (en) | Multifunctional percussion hammer | |
| CN202029591U (en) | Rolling pulling type eraser | |
| CN202383866U (en) | Multifunctional teaching rod | |
| CN201227002Y (en) | Book-stand affix | |
| CN205074967U (en) | Casing pipe | |
| CN204204281U (en) | Elasticity demonstration device special in a kind of physics teaching | |
| CN202439453U (en) | Middle school Chinese teaching blackboard-writing assistant device | |
| CN203149899U (en) | Line marking device for teaching | |
| CN201452728U (en) | Telescopic clothes rack | |
| CN201299282Y (en) | Myopia prevention support for pupils | |
| CN202275530U (en) | English teaching rod | |
| CN205112776U (en) | Novel math graphing education device | |
| CN201096980Y (en) | Ring amplifier | |
| CN201287533Y (en) | Chalk jacket | |
| CN201712301U (en) | Myopia prevention pen | |
| CN201856525U (en) | Small steel ruler provided with paper clip | |
| CN203311659U (en) | Rapid lifting curtain of multi-media classroom | |
| CN203659320U (en) | Wheel mechanism used for teaching | |
| CN201143029Y (en) | Desk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |