CN209928682U - Primary school mathematics angle measurement learning tools - Google Patents
Primary school mathematics angle measurement learning tools Download PDFInfo
- Publication number
- CN209928682U CN209928682U CN201821605356.8U CN201821605356U CN209928682U CN 209928682 U CN209928682 U CN 209928682U CN 201821605356 U CN201821605356 U CN 201821605356U CN 209928682 U CN209928682 U CN 209928682U
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- protractor
- movable block
- setting element
- angle measurement
- scale
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- Expired - Fee Related
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Abstract
The utility model provides a primary school's mathematics angular surveying learning apparatus, including first protractor and connection hinge, first protractor lower extreme integration is provided with the connection hinge, and connection hinge opposite side integration is provided with the second protractor, and the embedding of first protractor below is provided with scale and setting element, and the setting element is located the scale top, and first protractor middle part is rotated through the bearing and is connected with the guide bar, and the outside nestification of setting element is provided with the movable block, and upper end swing joint has fastening bolt, and the movable block below runs through and is provided with and presss from both sides a hole. The utility model discloses whole device stable in structure measures that the use limitation is little, has more the explanatory when comparing to the angular measurement, and the function is abundant, and convenient to use is dexterous, has very high spreading value.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is a primary school's mathematics angular surveying learning apparatus.
Background
The teaching aid is a general name of various appliances used by students for intuitively and vividly understanding teaching contents and appliances used by teachers during teaching, is rich in variety, and can help to form a clear concept and develop the observation ability and thinking ability of the students;
when the angle gauge is used for primary school mathematical teaching, students generally need to be taught to measure and know the angle, so that the angle gauge is needed.
However, in the actual use process of the equipment, the existing protractor is generally semicircular, so that the device has large use limitation in measurement, has no explanation in angle measurement comparison, and has single function and inconvenient and smart use. Therefore, it is necessary to provide a new learning tool for measuring an angle of primary mathematics, which is a further research on the existing learning tool for measuring an angle of primary mathematics.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the device and measuring the use limitation big, do not have the explanatory when comparing to the angular measurement, the function singleness of device moreover uses the technical problem of convenient dexterity inadequately, provides a primary school's mathematics angular measurement learning aid, through setting up, with wait parts, can make the device measure the use limitation little, more have the explanatory when comparing to the angular measurement, the function is abundant, convenient to use is dexterity, has extensive practicality to teaching aid technical field.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a primary school mathematics angular surveying learning apparatus, includes first protractor and connection hinge, first protractor lower extreme integration is provided with the connection hinge, it is provided with the second protractor to connect hinge opposite side integration, first protractor below embedding is provided with scale and setting element, the setting element is located the scale top, first protractor middle part is rotated through the bearing and is connected with directional pole, the outside nestification of setting element is provided with the movable block, movable block upper end swing joint has fastening bolt, the movable block below is run through and is provided with and presss from both sides a hole.
As a further proposal of the utility model, the positioning piece is wholly shaped like an I and is parallel to the graduated scale.
As a further proposal of the utility model, the diameter of the pen holding hole is five centimeters at zero point, and the height thereof always extends out of the lower edge of the graduated scale.
As a further aspect of the present invention, the length of the pointing rod is greater than the length of the radius of the first protractor by three centimeters.
As a further aspect of the present invention, the first protractor and the second protractor are equal in size.
As a further aspect of the present invention, the fastening bolt is movably connected to the movable block through a screw, and the other side of the fastening bolt can be extended to the upper surface of the positioning member.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the positioning piece is integrally in an I shape and is parallel to the graduated scale, the diameter of the pen clamping hole is five centimeters at zero, the height of the pen clamping hole extends out of the lower edge of the graduated scale all the time, the first protractor and the second protractor are equal in size, the first protractor and the second protractor are opened by the connecting hinge, so that the device integrally forms a three-hundred-sixty-degree protractor, and further measures data, compared with the prior device, the angle measurement comparison is set to be more explanatory and more suitable for measuring in classroom workers, meanwhile, the rotation of the pointing rod can be utilized, the accuracy of measured data is improved, the graduated scale can measure the length of a marking line, the device is more convenient and flexible in use, chalk is placed into the pen clamping hole, and is used for rounding by the rotation of the device, so that the function of the device is more diversified in use, the problems that the existing device is large in measurement and use limitation, single in function and not flexible enough in use are solved.
In conclusion, the whole device has the advantages of stable structure, small limitation in measurement and use, better explanatory performance in angle measurement comparison, rich functions, convenience and flexibility in use and high popularization value.
Drawings
Fig. 1 is a schematic view of the whole local structure of the present invention.
Fig. 2 is a schematic view of the overall front expansion structure of the present invention.
Fig. 3 is a schematic view of the movable block structure of the present invention.
Fig. 4 is a schematic side view of the present invention.
In the figure: 1-a first protractor, 2-a second protractor, 3-a pointing rod, 4-a movable block, 5-a connecting hinge, 101-a graduated scale, 102-a positioning piece, 401-a fastening bolt and 402-a pen clamping hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
the utility model provides a learning tool for angle measurement of primary school mathematics, which comprises a first protractor 1 and a connecting hinge 5, wherein the lower end of the first protractor 1 is integrally provided with the connecting hinge 5, the other side of the connecting hinge 5 is integrally provided with a second protractor 2, the first protractor and the second protractor are opened by utilizing the connecting hinge, so that the device integrally forms a protractor with three hundred and sixty degrees, and further measures data, compared with the prior device, the angle measurement comparison is more explanatory, the device is more suitable for measuring in classroom workers, a graduated scale 101 and a positioning piece 102 are embedded below the first protractor 1, the positioning piece 102 is positioned above the graduated scale 101, the graduated scale can measure the length of a marked line, so that the device is more convenient and flexible when in use, the middle part of the first protractor 1 is connected with a pointing rod 3 through the rotation of a bearing, the accuracy of measured data is improved by means of rotation of the pointing rod, the movable block 4 is arranged outside the positioning piece 102 in a nested mode, the upper end of the movable block 4 is movably connected with a fastening bolt 401, a pen clamping hole 402 is formed in the lower portion of the movable block 4 in a penetrating mode, chalk is placed into the pen clamping hole, and the device rotates to make a circle, so that the functions of the device are more diversified when the device is used.
Example two:
the utility model provides a primary school's mathematics angular surveying learning apparatus, wherein, setting element 102 wholly is "worker" font, and with the scale 101 between keep parallel, press from both sides a hole 402 diameter and be five centimetres at zero point, and its height extends scale 101 down edge always, 3 length of directional pole are greater than three centimetres of radius length of first protractor 1, first protractor 1 all matches with 2 sizes of second protractor, pass through screw thread swing joint between fastening bolt 401 and the movable block 4, and its opposite side can extend to setting element 102 upper surface always.
When the utility model is used, firstly, the completeness of the function of the device is ensured, the preparation work of the device is completed, then when the angle needs to be measured, the first protractor 1 and the second protractor 2 are opened by utilizing the connecting hinge 5, so that the device integrally forms a three-hundred-sixty-degree protractor, and then the data is measured, compared with the prior device, the angle measurement is more explanatory, the device is more suitable for measuring in classroom work, meanwhile, the accuracy of the measured data can be improved by utilizing the rotation of the pointing rod 3, then, the length of the marking line can be measured by utilizing the graduated scale 101, so that the device is more convenient and flexible when the device is used for drawing a circle, when the device is required to be used for drawing a circle, the movable block 4 can be utilized to move on the positioning part 102, and the radius of the circle can be determined by matching with the graduated scale 101, the movable block 4 is fixed on the positioning piece 102 by the fastening bolt 401, and finally, the chalk is placed in the chalk clamping hole 402, and the device rotates to make a circle, so that the functions of the device are more diversified when the device is used.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a learning aid is measured to primary school's mathematics angle, includes first protractor (1) and connection hinge (5), first protractor (1) lower extreme integration is provided with connection hinge (5), its characterized in that, connection hinge (5) opposite side integration is provided with second protractor (2), embedding is provided with scale (101) and setting element (102) first protractor (1) below, setting element (102) are located scale (101) top, first protractor (1) middle part is rotated through the bearing and is connected with directional pole (3), setting element (102) outside nestification is provided with movable block (4), movable block (4) upper end swing joint has fastening bolt (401), movable block (4) below is run through and is provided with and presss from both sides a hole (402).
2. An angle measurement learning tool according to claim 1, wherein the positioning member (102) is in the shape of an I and parallel to the scale (101).
3. An elementary school mathematics angle measurement learning tool according to claim 1, characterized by that, the diameter of said pen holding hole (402) is a zero point five centimeters, and its height extends all the way out of the lower edge of the graduated scale (101).
4. An elementary school mathematics angle measurement learning appliance according to claim 1, characterized by that, the length of the pointing stick (3) is more than three centimeters from the radius of the first protractor (1).
5. An elementary school mathematics angle measurement learning tool according to claim 1, characterized in that said first protractor (1) and second protractor (2) are all of comparable size.
6. An angle measuring and learning tool for primary school mathematics according to claim 1, wherein the fastening bolt (401) is movably connected with the movable block (4) through screw threads, and the other side of the fastening bolt can extend to the upper surface of the positioning piece (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605356.8U CN209928682U (en) | 2018-09-26 | 2018-09-26 | Primary school mathematics angle measurement learning tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605356.8U CN209928682U (en) | 2018-09-26 | 2018-09-26 | Primary school mathematics angle measurement learning tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209928682U true CN209928682U (en) | 2020-01-10 |
Family
ID=69066538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821605356.8U Expired - Fee Related CN209928682U (en) | 2018-09-26 | 2018-09-26 | Primary school mathematics angle measurement learning tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209928682U (en) |
-
2018
- 2018-09-26 CN CN201821605356.8U patent/CN209928682U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200110 Termination date: 20200926 |