CN203351084U - Math teaching aid - Google Patents
Math teaching aid Download PDFInfo
- Publication number
- CN203351084U CN203351084U CN 201320500637 CN201320500637U CN203351084U CN 203351084 U CN203351084 U CN 203351084U CN 201320500637 CN201320500637 CN 201320500637 CN 201320500637 U CN201320500637 U CN 201320500637U CN 203351084 U CN203351084 U CN 203351084U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- connecting rod
- teaching aid
- connection rod
- 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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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a math teaching aid, comprising a connection rod; one end of the connection rod is hinged to a first sleeve internally provided with a first telescopic rod; the first sleeve is provided with a first locking bolt; the other end of the connection rod is hinged to a second sleeve internally provided with a second telescopic rod; the second sleeve is provided with a second locking bolt; the first and second telescopic rods are connected by a third locking bolt; a support is arranged at the lower part of the connection rod; one of the sides of the connection rod is provided with a sucker. During use, the teaching aid can be placed on a teaching desk for performing triangle conversion and explaining by the support, the teaching aid can also be placed on a blackboard by the sucker as needed for performing the triangle conversion and explaining, and the length of the first and second telescopic rods at two ends of the connection rod can be adjusted, the use is convenient and the teaching effect is good.
Description
Technical field
The utility model relates to a kind of teaching aid, relates to specifically a kind of mathematics teaching aid.
Background technology
In the teaching process of Mathematics Curriculum, need to use a lot of teaching aids, when lecturing triangle, need to use the triangle teaching ruler, present triangle teaching ruler needs the hand-held teaching aid of teacher to be explained, usually the hand-held triangle teaching ruler in teacher one side, the shape of one side adjusting triangle shape teaching ruler, in order to explain difform triangle, use inconvenience, teaching efficiency is poor.
The utility model content
Problem to be solved in the utility model is to provide a kind of easy to use, the mathematics teaching aid that teaching efficiency is good.
For addressing the above problem, the technical scheme that the utility model adopts is: a kind of mathematics teaching aid, comprise connecting rod, one end of described connecting rod is hinged with the first sleeve, be provided with the first expansion link in described the first sleeve, be provided with the first clamping screw on described the first sleeve, the other end of described connecting rod is hinged with the second sleeve, be provided with the second expansion link in described the second sleeve, be provided with the second clamping screw on described the second sleeve, described the first expansion link is connected by the 3rd clamping screw with the second expansion link, the bottom of described connecting rod is provided with bearing, a wherein side of described connecting rod is provided with sucker.
A kind of concrete prioritization scheme, the quantity of described bearing is two, and one of them bearing is positioned at an end of connecting rod, and the another one bearing is positioned at the other end of connecting rod.
The utility model is taked above technical scheme, have the following advantages: during use, can teaching aid be placed on lectern and carry out leg-of-mutton conversion and explanation by bearing, also can by sucker, teaching aid be placed on blackboard and carry out leg-of-mutton conversion and explanation as required, and first expansion link at connecting rod two ends and the length of the second expansion link can be regulated, easy to use, teaching efficiency is good.
The accompanying drawing explanation
Accompanying drawing 1 is the structural representation that in the utility model embodiment, a kind of mathematics is used teaching aid;
The vertical view that accompanying drawing 2 is accompanying drawing 1.
In figure:
The 1-connecting rod; The 2-sucker; The 3-bearing; 4-the first sleeve; 5-the first clamping screw; 6-the first expansion link; 7-the 3rd clamping screw; 8-the second expansion link; 9-the second clamping screw; 10-the second sleeve.
Embodiment
Embodiment: as shown in Figures 1 and 2, a kind of mathematics teaching aid, comprise connecting rod l, one end of described connecting rod 1 is hinged with the first sleeve 4, be provided with the first expansion link 6 in described the first sleeve 4, be provided with the first clamping screw 5 on described the first sleeve 4, the other end of described connecting rod 1 is hinged with the second sleeve 10, be provided with the second expansion link 8 in described the second sleeve 10, be provided with the second clamping screw 9 on described the second sleeve 10, described the first expansion link 6 is connected by the 3rd clamping screw 7 with the second expansion link 8, the bottom of described connecting rod 1 is provided with bearing 3, a wherein side of described connecting rod 1 is provided with sucker 2.
The quantity of described bearing 3 is two, and one of them bearing 3 is positioned at an end of connecting rod 1, and another one bearing 3 is positioned at the other end of connecting rod 1.
Claims (2)
1. a mathematics teaching aid, comprise connecting rod (1), it is characterized in that: an end of described connecting rod (1) is hinged with the first sleeve (4), be provided with the first expansion link (6) in described the first sleeve (4), be provided with the first clamping screw (5) on described the first sleeve (4), the other end of described connecting rod (1) is hinged with the second sleeve (10), be provided with the second expansion link (8) in described the second sleeve (10), be provided with the second clamping screw (9) on described the second sleeve (10), described the first expansion link (6) is connected by the 3rd clamping screw (7) with the second expansion link (8), the bottom of described connecting rod (1) is provided with bearing (3), a wherein side of described connecting rod (1) is provided with sucker (2).
2. a kind of mathematics teaching aid as claimed in claim 1, it is characterized in that: the quantity of described bearing (3) is two, one of them bearing (3) is positioned at an end of connecting rod (1), and another one bearing (3) is positioned at the other end of connecting rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320500637 CN203351084U (en) | 2013-08-10 | 2013-08-10 | Math teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320500637 CN203351084U (en) | 2013-08-10 | 2013-08-10 | Math teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351084U true CN203351084U (en) | 2013-12-18 |
Family
ID=49750954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320500637 Expired - Fee Related CN203351084U (en) | 2013-08-10 | 2013-08-10 | Math teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351084U (en) |
-
2013
- 2013-08-10 CN CN 201320500637 patent/CN203351084U/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 |
Granted publication date: 20131218 Termination date: 20140810 |
|
| EXPY | Termination of patent right or utility model |