CN205185656U - Teaching aid for mathematics - Google Patents
Teaching aid for mathematics Download PDFInfo
- Publication number
- CN205185656U CN205185656U CN201520829810.8U CN201520829810U CN205185656U CN 205185656 U CN205185656 U CN 205185656U CN 201520829810 U CN201520829810 U CN 201520829810U CN 205185656 U CN205185656 U CN 205185656U
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- CN
- China
- Prior art keywords
- blackboard
- base
- spring
- teaching aid
- utility
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- 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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Abstract
The utility model relates to a teaching aid for mathematics, the on -line screen storage device comprises a base, the base both sides are provided with the bracing piece, and the cover is equipped with the slider on the bracing piece, and the slider outside is connected with the blackboard, and is provided with spring no. 1 between slider and the base, and the slider top is provided with adjusting device, and the blackboard surface is provided with the teaching chi, and the one end of teaching chi is provided with rotary device, and multiunit chalk hole has been offered to the other end, the utility model discloses it is convenient to remove, the accuracy height of just mapping.
Description
Technical field
The utility model relates to mathematical education teaching aid technical field, particularly relates to a kind of mathematics teaching aid.
Background technology
In mathematical education; often can need the figure measuring or draw various angle; but existing mathematics teaching tool conveniently takes measurement of an angle; the volume of instrument is all very large; not only be inconvenient to deposit and carry, and use also very inconvenient, and need explanation limit, limit to map sometimes; such needs are taking and placing teaching ruler repeatedly, can increase the burden of teacher.
Utility model content
The purpose of this utility model is to provide a kind of mathematics teaching aid, solves teaching aid in prior art and uses inconvenience and baroque technical problem;
The technical scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of mathematics teaching aid, comprise base, described base both sides are provided with support bar, described support bar is set with slide block, outside described slide block, is connected with blackboard, and between slide block and base, be provided with spring one, adjusting device is provided with above described slide block, described blackboard surface is provided with teaching ruler, and one end of described teaching ruler is provided with whirligig, and the other end offers many group chalk holes;
On the basis of technique scheme, the utility model can also do following improvement:
Further, described whirligig comprises absorption projection, bearing pin and torque spring, described bearing pin connects blackboard respectively, absorption is protruding, described torque spring is sleeved on bearing pin, adopting the beneficial effect of this step to be adsorbed on blackboard by adsorbing projection by teaching ruler, teaching ruler can be facilitated to rotate by torque spring;
Further, described adjusting device comprises spring two and adjusting nut, described adjusting nut is sleeved on support bar, and described spring two to be sleeved on support bar and between adjusting nut and base, to adopt the beneficial effect of this step to be undertaken spacing by adjusting nut and spring two pairs of blackboards;
Further, below described base, be provided with universal wheel, adopt the beneficial effect of this step to be facilitate the utility model to shift by universal wheel;
Further, described chalk hole is at least three groups;
The utility model is divided into two parts, a blackboard, a teaching ruler, and wherein the upper and lower two ends of blackboard are provided with spring, and the position upper and lower to blackboard by spring limits;
Teaching ruler two ends are respectively arranged with whirligig and chalk hole, when drawing straight line, directly can carry out picture straight line by chalk, teaching ruler can be facilitated to rotate by whirligig, at picture bowlder, can directly centered by whirligig, chalk is placed in chalk hole, carries out picture circle;
In use, can be fixed on blackboard, facilitate explanation limit, limit to map;
The beneficial effects of the utility model:
1. the utility model is divided into blackboard and teaching ruler two parts, and teaching ruler can be fixed on blackboard, also can take down from blackboard, simple and convenient like this;
2. the utility model designs blackboard, the upper and lower both sides of blackboard is provided with spring, spring is provided with adjusting nut, by being fixed the position of blackboard;
3. the utility model designs teaching ruler, and wherein teaching ruler one end is provided with whirligig, and the other end is provided with chalk hole, can conveniently justify like this;
4. the utility model structure is simple, convenient transfer, and convenient mapping.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of mathematics teaching aid described in the utility model specific embodiment;
Fig. 2 is the part diagram of a kind of mathematics teaching aid described in the utility model specific embodiment;
In accompanying drawing, the list of parts representated by each label is as follows:
1, base, 2, support bar, 3, slide block, 4, blackboard, 5, spring one, 6, adjusting device, 7, teaching ruler, 8, whirligig, 9, chalk hole, 10, bearing pin, 11, torque spring, 12, spring two, 13, adjusting nut, 14, universal wheel, 15, absorption is protruding.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The utility model is divided into blackboard and teaching ruler two parts, and teaching ruler can be fixed on blackboard, also can take down from blackboard, simple and convenient like this; The utility model designs blackboard, the upper and lower both sides of blackboard is provided with spring, spring is provided with adjusting nut, by being fixed the position of blackboard; The utility model designs teaching ruler, and wherein teaching ruler one end is provided with whirligig, and the other end is provided with chalk hole, can conveniently justify like this; The utility model structure is simple, convenient transfer, and convenient mapping.
Embodiment:
A kind of mathematics teaching aid, comprise base 1, described base 1 both sides are provided with support bar 2, described support bar 2 is set with slide block 3, is connected with blackboard 4 outside described slide block 3, and is provided with spring 1 between slide block 3 and base 1, adjusting device 6 is provided with above described slide block 3, described blackboard 4 surface is provided with teaching ruler 7, and one end of described teaching ruler 7 is provided with whirligig 8, and the other end offers many group chalk holes 9;
Wherein, described whirligig 8 comprises absorption projection 15, bearing pin 10 and torque spring 11, and described bearing pin 10 connects blackboard 4, absorption protruding 15 respectively, and described torque spring 11 is sleeved on bearing pin 10;
In use, by adsorbing protruding 15, teaching ruler 7 being adsorbed on blackboard 4, teaching ruler can being facilitated to rotate by torque spring 11;
Wherein, described adjusting device 6 comprises spring 2 12 and adjusting nut 13, and described adjusting nut 13 is sleeved on support bar 2, and described spring 2 12 to be sleeved on support bar 2 and between adjusting nut 13 and base 1;
Wherein, undertaken spacing by adjusting nut 13 and spring 2 12 pairs of blackboards 4;
Wherein, universal wheel 14 is provided with below described base 1;
Wherein, described chalk hole 9 is at least three groups;
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a mathematics teaching aid, it is characterized in that, comprise base, described base both sides are provided with support bar, and described support bar is set with slide block, blackboard is connected with outside described slide block, and between slide block and base, being provided with spring one, be provided with adjusting device above described slide block, described blackboard surface is provided with teaching ruler, one end of described teaching ruler is provided with whirligig, and the other end offers many group chalk holes.
2. a kind of mathematics teaching aid according to claim 1, is characterized in that, described whirligig comprises absorption projection, bearing pin and torque spring, and described bearing pin connects blackboard respectively, absorption is protruding, and described torque spring is sleeved on bearing pin.
3. a kind of mathematics teaching aid according to claim 2, it is characterized in that, described adjusting device comprises spring two and adjusting nut, and described adjusting nut is sleeved on support bar, and described spring two to be sleeved on support bar and between adjusting nut and base.
4. a kind of mathematics teaching aid according to claim 3, is characterized in that, be provided with universal wheel below described base.
5. a kind of mathematics teaching aid according to claim 4, is characterized in that, described chalk hole is at least three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829810.8U CN205185656U (en) | 2015-10-23 | 2015-10-23 | Teaching aid for mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829810.8U CN205185656U (en) | 2015-10-23 | 2015-10-23 | Teaching aid for mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205185656U true CN205185656U (en) | 2016-04-27 |
Family
ID=55778684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520829810.8U Expired - Fee Related CN205185656U (en) | 2015-10-23 | 2015-10-23 | Teaching aid for mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205185656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107455963A (en) * | 2017-08-28 | 2017-12-12 | 肖述盛 | A kind of Multifunctional mathematics teaching equipment |
-
2015
- 2015-10-23 CN CN201520829810.8U patent/CN205185656U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107455963A (en) * | 2017-08-28 | 2017-12-12 | 肖述盛 | A kind of Multifunctional mathematics teaching equipment |
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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: 20160427 Termination date: 20161023 |