CN211390752U - Function drawing rule for higher mathematics - Google Patents
Function drawing rule for higher mathematics Download PDFInfo
- Publication number
- CN211390752U CN211390752U CN202020108367.6U CN202020108367U CN211390752U CN 211390752 U CN211390752 U CN 211390752U CN 202020108367 U CN202020108367 U CN 202020108367U CN 211390752 U CN211390752 U CN 211390752U
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- circular plate
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- strip
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Abstract
The utility model discloses a function drawing rule for advanced mathematics, which comprises a foundation plate and a circular plate which are connected with each other, wherein the foundation plate is provided with a circular through hole, the circular plate is arranged in the circular through hole, and the outer edge of the circular plate is attached to the inner wall of the circular through hole; the circular plate is provided with at least two strip-shaped holes along the radial direction, the adjacent strip-shaped holes are arranged perpendicular to each other, each strip-shaped hole extends to the edge of the circular plate along the center of the circular plate, and one ends of the strip-shaped holes, which are deviated from the edge of the circular plate, are communicated with each other; the circular plate is also provided with a plurality of arc-shaped holes with different radians for drawing function curves; the edge of the circular plate and the edge of the circular through hole are respectively provided with angle scales, and the two angle scales are both positioned on the scale surface of the foundation plate; the strip-shaped hole is provided with length scales along the extension direction. The utility model provides a user is perpendicular function image's X axle and Y axle respectively through two bar holes of mutually perpendicular in the technical scheme, and the point of assistance-localization real-time curve function reaches the purpose of drawing out the function curve fast through the adjacent point of different arc jogged joints.
Description
Technical Field
The utility model relates to a mathematics appurtenance technical field, in particular to function drawing rule for higher mathematics.
Background
Mathematics is a science of studying real world spatial forms and quantitative relationships. The method is divided into elementary mathematics and advanced mathematics, has wide application in scientific development and modern life and production, is an indispensable basic tool for learning and researching modern scientific technology, and the knowledge and application of basic mathematics are an indispensable part in personal and team life.
In advanced mathematical education, function curves are drawn to help students understand the meaning of functions and deepen the understanding of the functions, but the conventional drawing rule cannot assist in drawing smooth curves when drawing function images, and only a teacher can draw the curves by himself, so that the teaching quality is influenced, and the teaching time is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a function drawing rule for higher mathematics aims at solving the problem that current function drawing rule for higher mathematics can't draw out function curve influence teaching quality and teaching speed fast.
In order to achieve the above object, the present invention provides a technical solution:
a function drawing rule for advanced mathematics comprises a base plate and a circular plate which are connected with each other, wherein the base plate is provided with a circular through hole, the circular plate is arranged in the circular through hole, and the outer edge of the circular plate is attached to the inner wall of the circular through hole, so that the circular plate rotates in the plane of the circular through hole along the center of the circular plate; the circular plate is provided with at least two strip-shaped holes along the radial direction, the adjacent strip-shaped holes are perpendicular to each other, each strip-shaped hole extends to the edge of the circular plate along the center of the circular plate, and one ends of the strip-shaped holes, which are deviated from the edge of the circular plate, are communicated with each other; the circular plate is also provided with a plurality of arc-shaped holes with different radians for drawing function curves; the edge of the circular plate and the edge of the circular through hole are respectively provided with angle scales, and the two angle scales are both positioned on the scale surface of the foundation plate; the strip-shaped holes are provided with length scales along the extension direction.
Preferably, the circular plate is provided with four strip-shaped holes, wherein at least one strip-shaped hole is internally provided with partitions at intervals along the extension direction of the strip-shaped hole, so that the strip-shaped hole is internally divided into a plurality of holes along the extension direction of the strip-shaped hole.
Preferably, a limiting plate is arranged at one end, away from the scale surface, of the circular through hole, the limiting plate is fixedly connected with the inner wall surface of the circular through hole, and one side, away from the scale surface, of the limiting plate is flush with the side surface, away from the scale surface, of the foundation plate; the foundation plate further comprises a retaining ring, and the retaining ring is fixed at one end, away from the limiting plate, of the circular through hole, so that circular plates in the circular through hole are attached to the limiting plate and the retaining ring respectively; the angle scales of the foundation plate are arranged on one side of the retaining ring departing from the circular plate.
Preferably, the foundatin plate is the rectangle, just the edge of foundatin plate all sets up the length scale.
Preferably, a push plate is further arranged on one side of the circular plate, where the angle scale is arranged, and a user pushes the push plate to enable the circular plate to rotate.
Preferably, the numerical value marked by the length scale of each strip-shaped hole increases progressively from the circle center of the circular plate to the edge direction of the circular plate.
Preferably, the numerical value of one of the two angle scales increases progressively along the clockwise direction, and the numerical value of the other angle scale decreases progressively along the clockwise direction.
Preferably, the arc-shaped holes are sequentially arranged from the center of the circular plate to the edge of the circular plate at intervals, and each arc-shaped hole is arranged between the adjacent strip-shaped holes.
Compared with the prior art, the utility model discloses possess following beneficial effect at least:
the user passes through the X axle and the Y axle of two bar holes of mutually perpendicular difference perpendicular function image, and the point of auxiliary positioning curve function through the adjacent point of different arc hole connection, reaches the purpose of drawing the function curve fast, makes the user draw smooth function curve fast with the function drawing rule through advanced mathematics to promote teaching quality and teaching speed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the functional drawing rule for advanced mathematics of the present invention;
FIG. 2 is a schematic view of the base plate with the retaining ring removed;
FIG. 3 is a schematic structural view of a circular plate;
fig. 4 is a schematic structural view of the buckle.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
11 | Circular through |
| 12 | |
13 | Retaining |
| 2 | |
21 | Strip- |
| 22 | Arc- |
23 | |
| 3 | |
4 | Angle scale |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a function drawing rule for higher mathematics.
A function drawing rule for advanced mathematics comprises a base plate 1 and a circular plate 2 which are connected with each other, wherein the base plate 1 is provided with a circular through hole 11, the circular plate 2 is arranged in the circular through hole 11, and the outer edge of the circular plate 2 is attached to the inner wall of the circular through hole 11, so that the circular plate 2 rotates in the plane where the circular through hole 11 is located along the center of the circular plate 2; the circular plate 2 is provided with at least two strip-shaped holes 21 along the radial direction, the adjacent strip-shaped holes 21 are arranged perpendicular to each other, each strip-shaped hole 21 extends to the edge of the circular plate 2 along the center of the circular plate 2, and one ends of the strip-shaped holes 21 departing from the edge of the circular plate 2 are communicated with each other; the circular plate 2 is also provided with a plurality of arc-shaped holes 22 with different radians for drawing function curves; the edge of the circular plate 2 and the edge of the circular through hole 11 are respectively provided with angle scales 4, and the two angle scales 4 are both positioned on the scale surface of the foundation plate 1; the strip-shaped hole 21 is provided with a length scale 3 along the extension direction.
The user is through the X axle and the Y axle of two bar holes 21 difference perpendicular function image of mutually perpendicular, and the point of auxiliary positioning curve function connects adjacent point through different arc hole 22, reaches the purpose of drawing the function curve fast, makes the user draw smooth function curve fast with the function drawing rule through advanced mathematics to promote teaching quality and teaching speed.
Specifically, when the function curve is drawn on the blackboard using the function drawing rule for higher mathematics, the scale surface is located on the side of the base plate 1 away from the blackboard, and the scale surface faces the user.
The circular plate 2 is provided with four holes 21, wherein at least one strip-shaped hole 21 is internally provided with partitions at intervals along the extension direction thereof, so that the strip-shaped hole 21 is internally divided into a plurality of holes along the extension direction thereof. The four shape holes 21 make the strip-shaped holes 21 cross on the circular plate 2, so that the circular plate 2 can conveniently position the points of the function curve in each quadrant of the function image; the partition divides a strip-shaped hole 21 into a plurality of holes, so that a user can draw dotted lines through the strip-shaped hole 21, and the use function of the function drawing ruler for advanced mathematics is increased.
A limiting plate 12 is arranged at one end of the circular through hole 11, which is far away from the scale surface, the limiting plate 12 is fixedly connected with the inner wall surface of the circular through hole 11, and one side of the limiting plate 12, which is far away from the scale surface, is flush with the side surface of the foundation plate 1, which is far away from the scale surface; the foundation plate 1 further comprises a retaining ring 13, and the retaining ring 13 is fixed at one end, away from the limiting plate 12, of the circular through hole 11, so that the circular plate 2 positioned in the circular through hole 11 is attached to the limiting plate 12 and the retaining ring 13 respectively; the angle scale 4 of the base plate 1 is arranged on one side of the retaining ring 13 departing from the circular plate 2. The circular plate 2 is restricted to rotate in the circular through hole 11 by the cooperation of the retaining ring 13 and the stopper plate 12.
The foundatin plate 1 is the rectangle, and the edge of foundatin plate 1 all sets up length scale 3. The base plate 1 can be used as a general drawing rule.
A push plate 23 is further provided at a side of the circular plate 2 where the angle scale 4 is provided, and a user pushes the push plate 23 to rotate the circular plate 2.
The numerical value marked on the length scale 3 of each strip-shaped hole 21 increases from the center of the circular plate 2 to the edge of the circular plate 2. The marking of the length scale 3 value accords with the use habit of a common user.
The numerical value of one angle scale 4 of the two angle scales 4 increases progressively along the clockwise direction, and the numerical value of the other angle scale 4 decreases progressively along the clockwise direction. The two angle scales 4 have different numerical directions, so that when an angle needs to be drawn, only one line needs to be drawn, and then the circular plate 2 is rotated to see the degree of the angle scale 4 corresponding to the 0 degree of the other angle scale 4, which is the angle required by a user.
The arc holes 22 are sequentially arranged from the center of the circular plate 2 to the edge of the circular plate 2 at intervals, and each arc hole 22 is disposed between adjacent strip-shaped holes 21. The arc-shaped holes 22 are arranged orderly, which is convenient for users to use.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A function drawing rule for advanced mathematics is characterized by comprising a base plate and a circular plate which are connected with each other, wherein the base plate is provided with a circular through hole, the circular plate is arranged in the circular through hole, and the outer edge of the circular plate is attached to the inner wall of the circular through hole, so that the circular plate rotates in the plane where the circular through hole is located along the center of the circular plate; the circular plate is provided with at least two strip-shaped holes along the radial direction, the adjacent strip-shaped holes are perpendicular to each other, each strip-shaped hole extends to the edge of the circular plate along the center of the circular plate, and one ends of the strip-shaped holes, which are deviated from the edge of the circular plate, are communicated with each other; the circular plate is also provided with a plurality of arc-shaped holes with different radians for drawing function curves; the edge of the circular plate and the edge of the circular through hole are respectively provided with angle scales, and the two angle scales are both positioned on the scale surface of the foundation plate; the strip-shaped holes are provided with length scales along the extension direction.
2. A drawing rule for functions of higher mathematics according to claim 1, wherein the circular plate is provided with four bar-shaped holes, and at least one of the bar-shaped holes is provided with partitions at intervals along the extending direction thereof, so that the bar-shaped hole is divided into a plurality of holes along the extending direction thereof.
3. The drawing rule for functions for higher mathematics according to claim 1, wherein a limiting plate is arranged at one end of the circular through hole, which is far away from the scale surface, the limiting plate is fixedly connected with the inner wall surface of the circular through hole, and one side of the limiting plate, which is far away from the scale surface, is flush with the side of the foundation plate, which is far away from the scale surface; the foundation plate further comprises a retaining ring, and the retaining ring is fixed at one end, away from the limiting plate, of the circular through hole, so that circular plates in the circular through hole are attached to the limiting plate and the retaining ring respectively; the angle scales of the foundation plate are arranged on one side of the retaining ring departing from the circular plate.
4. The drawing rule of function for higher mathematics as claimed in claim 1, wherein the base plate is rectangular and the length scales are provided on the edges of the base plate.
5. A drawing rule for higher mathematical functions according to any of claims 1-4, wherein a push plate is further provided on the side of the circular plate where the angle scale is provided, and a user pushes the push plate to rotate the circular plate.
6. A drawing rule according to any one of claims 1-4, wherein the length scales of the strip-shaped holes are marked with numerical values which increase from the center of the circular plate toward the edge of the circular plate.
7. A drawing rule for higher mathematical functions according to any of claims 1-4, wherein the value of one of the two angle scales increases in a clockwise direction and the value of the other angle scale decreases in a clockwise direction.
8. A drawing rule according to any one of claims 1-4, wherein the arc holes are sequentially spaced from the center of the circular plate to the edge of the circular plate, and are disposed between adjacent ones of the strip holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020108367.6U CN211390752U (en) | 2020-01-17 | 2020-01-17 | Function drawing rule for higher mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020108367.6U CN211390752U (en) | 2020-01-17 | 2020-01-17 | Function drawing rule for higher mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211390752U true CN211390752U (en) | 2020-09-01 |
Family
ID=72216947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020108367.6U Expired - Fee Related CN211390752U (en) | 2020-01-17 | 2020-01-17 | Function drawing rule for higher mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211390752U (en) |
-
2020
- 2020-01-17 CN CN202020108367.6U patent/CN211390752U/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 |
Granted publication date: 20200901 Termination date: 20210117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |