CN211138831U - Multipurpose ruler for mathematics teaching - Google Patents
Multipurpose ruler for mathematics teaching Download PDFInfo
- Publication number
- CN211138831U CN211138831U CN201922293990.3U CN201922293990U CN211138831U CN 211138831 U CN211138831 U CN 211138831U CN 201922293990 U CN201922293990 U CN 201922293990U CN 211138831 U CN211138831 U CN 211138831U
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- CN
- China
- Prior art keywords
- ruler
- mathematics teaching
- multipurpose ruler
- cavity
- drawing board
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Abstract
The utility model relates to a multipurpose ruler for mathematical education belongs to teaching aid technical field, and it includes the body, the body rear end is equipped with the inclined plane, the body has fixed point fixed establishment through activity groove sliding connection, the chisel has the rotation chamber at body front side middle part, it is provided with quick drawing mechanism to rotate the intracavity, the fixed fixture that is equipped with on the body right side terminal surface. This multi-purpose chi of mathematical education can realize having simple structure, gathers ruler, compasses in an organic whole, conveniently draws parallelogram moreover, and the function is diversified, and the practicality is better.
Description
Technical Field
The utility model relates to a teaching aid technical field, more specifically relate to a multipurpose ruler for mathematical education.
Background
At present, the teaching aid function that the teacher used all is more single, so that the teacher need take multiple teaching aid when having lessons, especially mathematics teacher needs multiple teaching aid more in class, for example drawing ruler, compasses, protractor etc. teacher gives lessons and need use different mapping tools when the blackboard mapping, the while again need instruct for the student, and, present drawing ruler function is more single, the teacher also need use strength when the mapping and press the drawing ruler just can the mapping relatively accurate a little, it is extremely troublesome to operate. Therefore, it is necessary to provide a multipurpose ruler for mathematics teaching to solve the above problems.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a multipurpose ruler for mathematical education, it has simple structure, gathers ruler, compasses in an organic whole, conveniently draws parallelogram moreover, and the function is diversified, and the practicality is better.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A multipurpose ruler for mathematical teaching comprises a body, wherein an inclined plane is arranged at the rear end of the body, the body is connected with a fixed point fixing mechanism in a sliding manner through a movable groove, a rotating cavity is formed in the middle of the front side of the body, a quick drawing mechanism is arranged in the rotating cavity, and a clamping mechanism is fixedly arranged on the end face of the right side of the body;
the fixed point fixing mechanism comprises a supporting rod and a limiting cavity cut in the body, a pressing part is arranged at the upper end of the supporting rod, a limiting plate is integrally arranged on the outer edge of the inner side part of the limiting cavity of the supporting rod, a return spring is fixedly connected to the lower end face of the limiting plate, and the bottom end of the spring is freely placed and is not connected with the bottom wall of the limiting cavity;
the rapid drawing mechanism comprises upright columns arranged on two sides of the inner part of the rotating cavity, a drawing board is sleeved on the upright columns, the inner part of the drawing board is connected with a sliding ruler through a sliding block, and the sliding block and the sliding ruler are integrally formed;
fixture is including setting up fixing base on the body right-hand member face, the centre gripping chamber has been seted up to inside lining up of fixing base, fixing base right side threaded connection has the bolt, bolt one end runs through fixing base right side half and extension extremely inside the centre gripping chamber, the other end regulation is equipped with the knob.
Furthermore, the upper surface of the inclined surface is provided with a first scale mark with a numerical value increasing from left to right.
Furthermore, the upper end face of the body is provided with a second scale mark located on the rear side of the movable groove, and the second scale mark increases in numerical value from right to left.
Furthermore, the bottom wall of the rotating cavity is provided with an angle scale value positioned on the outer side of the upright post.
Furthermore, an angle indicator is arranged on one side, close to the stand column, of the upper end face of the drawing board and corresponds to the angle scale value one to one.
Furthermore, the body and the drawing board are made of transparent materials.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme can realize having simple structure, gathers ruler, compasses in an organic whole, conveniently draws parallelogram moreover, and the function is diversified, and the practicality is better.
(2) The utility model discloses a drawing board and body used transparent material, can not appear disturbing during the mapping, conveniently observe the inner structure, satisfy student's curiosity, improve its interest in learning.
(3) The utility model discloses a fixed point fixed establishment and fixture person of facilitating the use draw the circle, and the parallelogram is drawn fast to inclined plane cooperation drawing board moreover, need the time of the position of transform ruler many times when having reduced the drawing, draws the accuracy, save time.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a top view of the present invention;
fig. 5 is an enlarged view of a portion a in fig. 1.
The reference numbers in the figures illustrate:
the device comprises a body 1, an inclined plane 101, a pressing part 2, a supporting rod 3, a rotating cavity 4, a vertical column 5, a drawing board 6, an angle scale 7, a sliding ruler 8, an angle indicator 9, a fixing seat 10, a clamping cavity 11, a bolt 12, a knob 13, a sliding block 14, a movable groove 15, a scale mark II 16, a limit plate 17, a limit cavity 18, a return spring 19 and a scale mark I20.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example 1:
referring to fig. 1 and 2, a multipurpose ruler for mathematical education comprises a body 1, wherein an inclined plane 101 is arranged at the rear end of the body 1, a first scale mark 20 with a numerical value increasing from left to right is arranged on the upper surface of the inclined plane 101, the body 1 is slidably connected with a fixed point fixing mechanism through a movable groove 15, a second scale mark 16 positioned at the rear side of the movable groove 15 is arranged on the upper end surface of the body 1, the second scale mark 16 with a numerical value increasing from right to left is arranged in the middle of the front side of the body 1, a rotating cavity 4 is formed in the middle of the front side of the body 1, a quick drawing mechanism is arranged in the rotating cavity 4, and a clamping;
referring to fig. 1 and 3, the fixed-point fixing mechanism includes a supporting rod 3 and a limiting cavity 18 cut inside the body 1, a pressing portion 2 is disposed at the upper end of the supporting rod 3, a limiting plate 17 is integrally disposed at the outer edge of the inner portion of the supporting rod 3 located in the limiting cavity 18, a return spring 19 is fixedly connected to the lower end surface of the limiting plate 17, and the bottom end of the spring 19 is freely placed and is not connected to the bottom wall of the limiting cavity 18;
referring to fig. 1 and 5, the fast drawing mechanism includes two columns 5 disposed at two sides inside the rotating cavity 4, the columns 5 are sleeved with a drawing board 6, the inside of the drawing board 6 is connected with a sliding ruler 8 through a sliding block 14, and the sliding block 14 and the sliding ruler 8 are integrally formed;
referring to fig. 1 and 4, the clamping mechanism includes a fixing base 10 disposed on the right end surface of the body 1, a clamping cavity 11 is formed through the inside of the fixing base 10, a bolt 12 is connected to the right side of the fixing base 10 through a thread, one end of the bolt 12 penetrates through the right half portion of the fixing base 10 and extends into the clamping cavity 11, and a knob 13 is disposed at the other end of the bolt.
Referring to fig. 1, in order to better and more accurately draw the parallelogram, an angle scale 7 located outside the upright 5 is particularly disposed on the bottom wall of the rotation cavity 4, and angle indicators 9 are disposed on the upper end surface of the drawing board 6 near the upright 5, corresponding to the angle scale 7.
In consideration of the inconvenience of drawing caused by the shielding property of the ruler, the body 1 and the drawing board 6 are made of transparent materials.
The working principle of the multipurpose ruler for mathematical education is as follows: when the ruler is used as a straight ruler, straight drawing is carried out by utilizing the first scale mark 20 on the upper surface of the inclined plane 101; when a circle needs to be drawn, a pencil or a chalk is placed in the clamping cavity 11, the knob 13 drives the bolt 12 to rotate, the pencil used for drawing is squeezed, the supporting rod 3 is pushed to the position corresponding to the second scale mark 16 according to the radius of the circle, the pressing part 2 is pressed down by a finger, the supporting rod 3 moves downwards, the return spring 19 is compressed, the bottom end of the supporting rod 3 is in contact with a drawing plane, and then the body 1 is rotated to draw the circle; when a parallelogram needs to be drawn, the drawing boards 6 on two sides are rotated, the angle scale value 7 corresponding to the angle indicator 9 is adjusted according to the drawing angle, the straight line corresponding to the drawing board 6 on the left side and the straight line corresponding to the inclined plane 101 are firstly drawn, then the body 1 is moved leftwards or rightwards according to the length of the straight line drawn by the inclined plane 101, the other side of the parallelogram is drawn according to the drawing board 6 on the right side, and finally the graph is closed.
This multi-purpose chi of mathematical education can realize having simple structure, gathers ruler, compasses in an organic whole, conveniently draws parallelogram moreover, and the function is diversified, and the practicality is better.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a multipurpose ruler for mathematical education, includes body (1), its characterized in that: an inclined plane (101) is arranged at the rear end of the body (1), the body (1) is connected with a fixed point fixing mechanism in a sliding mode through a movable groove (15), a rotating cavity (4) is formed in the middle of the front side of the body (1), a quick drawing mechanism is arranged in the rotating cavity (4), and a clamping mechanism is fixedly arranged on the end face of the right side of the body (1);
the fixed point fixing mechanism comprises a supporting rod (3) and a limiting cavity (18) formed in the body (1), a pressing part (2) is arranged at the upper end of the supporting rod (3), a limiting plate (17) is integrally arranged on the outer edge of the inner side part of the supporting rod (3) located in the limiting cavity (18), a reset spring (19) is fixedly connected to the lower end face of the limiting plate (17), the bottom end of the spring (19) is freely placed and is not connected with the bottom wall of the limiting cavity (18);
the rapid drawing mechanism comprises upright columns (5) arranged on two sides inside the rotating cavity (4), a drawing board (6) is sleeved on the upright columns (5), a sliding ruler (8) is connected inside the drawing board (6) through a sliding block (14), and the sliding block (14) and the sliding ruler (8) are integrally formed;
fixture is including setting up fixing base (10) on body (1) right-hand member face, centre gripping chamber (11) have been seted up in inside lining up of fixing base (10), fixing base (10) right side threaded connection has bolt (12), bolt (12) one end is run through fixing base (10) right side half and extend to inside centre gripping chamber (11), the other end regulation is equipped with knob (13).
2. The multipurpose ruler for mathematics teaching according to claim 1, wherein: the upper surface of the inclined surface (101) is provided with a first scale mark (20) with a numerical value increasing from left to right.
3. The multipurpose ruler for mathematics teaching according to claim 1, wherein: the upper end face of the body (1) is provided with a second scale mark (16) located on the rear side of the movable groove (15), and the second scale mark (16) increases in value from right to left.
4. The multipurpose ruler for mathematics teaching according to claim 1, wherein: and an angle scale value (7) positioned on the outer side of the upright post (5) is arranged on the bottom wall of the rotating cavity (4).
5. The multipurpose ruler for mathematics teaching as claimed in claim 4, wherein: and an angle indicator (9) is arranged on one side, close to the upright post (5), of the upper end surface of the drawing board (6) and corresponds to the angle scale values (7) one to one.
6. The multipurpose ruler for mathematics teaching according to claim 1, wherein: the body (1) and the drawing board (6) are made of transparent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293990.3U CN211138831U (en) | 2019-12-19 | 2019-12-19 | Multipurpose ruler for mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293990.3U CN211138831U (en) | 2019-12-19 | 2019-12-19 | Multipurpose ruler for mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211138831U true CN211138831U (en) | 2020-07-31 |
Family
ID=71751078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922293990.3U Expired - Fee Related CN211138831U (en) | 2019-12-19 | 2019-12-19 | Multipurpose ruler for mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211138831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622495A (en) * | 2021-01-05 | 2021-04-09 | 顾礼敬 | Geometric drawing tool |
| CN113103805A (en) * | 2021-04-21 | 2021-07-13 | 王建星 | Drawing board for teaching |
-
2019
- 2019-12-19 CN CN201922293990.3U patent/CN211138831U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622495A (en) * | 2021-01-05 | 2021-04-09 | 顾礼敬 | Geometric drawing tool |
| CN113103805A (en) * | 2021-04-21 | 2021-07-13 | 王建星 | Drawing board for teaching |
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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 |
Granted publication date: 20200731 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |