CN211808704U - High school mathematics teaching is used as drawing ruler - Google Patents
High school mathematics teaching is used as drawing ruler Download PDFInfo
- Publication number
- CN211808704U CN211808704U CN201921963980.XU CN201921963980U CN211808704U CN 211808704 U CN211808704 U CN 211808704U CN 201921963980 U CN201921963980 U CN 201921963980U CN 211808704 U CN211808704 U CN 211808704U
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- China
- Prior art keywords
- ruler
- ruler body
- high school
- parallel
- school mathematics
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- Expired - Fee Related
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Abstract
The utility model discloses a high school mathematics teaching is as drawing ruler, including blade and notes liquid chamber, the blade openly is provided with a U-shaped arch, and this protruding inside is provided with the U-shaped and annotates the liquid chamber, just protruding top is provided with auxiliary assembly, blade top and both sides all are provided with the length scale, auxiliary assembly includes two guide bars that are parallel to each other. Has the advantages that: the utility model discloses a liquid chamber is annotated to the U-shaped of filling water completely in the inside setting of blade to can confirm the horizontal situation of the line segment drawn directly perceivedly through the position of annotating the coloured solution in liquid intracavity both ends, with the convenience when improving the drawing water flat line, and set up the auxiliary rod that can parallel rise on the blade, with the parallel effect of ensureing that required drawing two parallel lines, improve the teaching quality, the practicality is strong.
Description
Technical Field
The utility model relates to a mathematics subject teaching equipment field, concretely relates to high school mathematics teaching is as drawing ruler.
Background
High school mathematics refers to mathematical knowledge to be learned in high school, and in the teaching process of high school mathematics, geometric figure learning related to mathematics is one of indispensable learning links, so that certain requirements on the blackboard drawing skill of mathematical education personnel are required. The drawing ruler is one of necessary auxiliary equipment in the process of drawing mathematical geometry figures.
The applicant finds that at least the following technical problems exist in the prior art: the mathematic drawing ruler used at present can only assist teaching personnel to draw straight lines, the levelness of line segments and the parallelism of two line segments are determined by manual adjustment of the drawing personnel, the drawing accuracy of geometric figures is poor, the teaching effect of students is easily influenced, and the requirement on the experience level of operators is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high school mathematics teaching is used as the drawing ruler in order to solve above-mentioned problem, can confirm the horizontal situation of the line segment of drawing directly perceivedly through the drawing ruler, and is more convenient to the drawing of water flat line and parallel lines, sees the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a high school mathematics teaching is used as drawing ruler, including blade and notes liquid chamber, the blade front is provided with a U-shaped arch, and the inside of this arch is provided with U-shaped notes liquid chamber, and the arch top is provided with auxiliary assembly, blade top and both sides all are provided with length scale;
the auxiliary assembly comprises two guide rods which are parallel to each other, one end of each guide rod is hinged to the ruler body, the other end of each guide rod is hinged to an auxiliary rod, and the ruler body and the two guide rods form a parallelogram structure together.
Adopt above-mentioned high school mathematics teaching as drawing ruler, when using, follow the blade top draws the line segment of first required drawing, when needing to draw the line segment that is parallel to each other with first line segment, teaching personnel press the blade makes it support tightly with the blackboard, upwards stimulates simultaneously the auxiliary rod is right through two parallel to each other the guide bar is right the auxiliary rod supports to ensure the auxiliary rod all with the blade is in the state of being parallel to each other in the optional position, thereby follows under the support of guide bar the parallel line is drawn to the length direction of auxiliary rod top, accomplishes the drawing process of parallel line.
Preferably, the ruler body comprises a ruler body and a sealing plate arranged on the front face of the ruler body, the liquid injection cavity is formed between the ruler body and the sealing plate, and the liquid injection cavity comprises two vertical parts parallel to each other and a communicating part extending horizontally.
Preferably, both ends of the communicating part are respectively communicated with the two vertical parts, and colored liquid which is not completely filled in the two groups of vertical parts is filled in the liquid injection cavity.
Preferably, the bottom of the ruler body is provided with an angle adjusting assembly, the angle adjusting assembly comprises a fixing ring fixed at the bottom of the sealing plate, a support rod is arranged in the fixing ring, a semicircular ruler is fixed at one end of the back of the support rod, a stop block is fixed at the other end of the support rod, a spring is sleeved on the support rod between the stop block and the fixing ring, a semicircular limiting groove is formed in the center of the back of the ruler body, the semicircular ruler is placed in the limiting groove, positioning rods are arranged on the ruler body on two sides of the semicircular ruler, and one end of the positioning rod, which is far away from the ruler body, is flush with the positions of two ends of the semicircular ruler scale.
Preferably, a plurality of flat angle clamps with open tops are arranged on the top of the projection on the front surface of the ruler body, and the guide rod is clamped into the flat angle clamps.
Preferably, the flat angle clamp is made of plastic materials, and the flat angle clamp is connected with the ruler body through screws.
Has the advantages that: the utility model discloses a liquid chamber is annotated to the U-shaped of filling water completely in the inside setting of blade to can confirm the horizontal situation of the line segment drawn directly perceivedly through the position of annotating the coloured solution in liquid intracavity both ends, with the convenience when improving the drawing water flat line, and set up the auxiliary rod that can parallel rise on the blade, with the parallel effect of ensureing that required drawing two parallel lines, improve the teaching quality, the practicality is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a view of the expanding structure of the auxiliary assembly of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a rear view structural diagram of the present invention;
fig. 5 is a left side view of the flat-foot card of the present invention.
The reference numerals are explained below:
1. a ruler body; 101. a ruler body; 101a, a limiting groove; 101b, a positioning rod; 102. closing the plate; 2. a liquid injection cavity; 3. an angle adjusting component; 301. a semicircular ruler; 302. a fixing ring; 303. a stay bar; 304. a stopper; 305. a spring; 4. an auxiliary component; 401. a guide bar; 402. an auxiliary lever; 5. a flat-foot card.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
Referring to fig. 1-5, the utility model provides a ruler for high school mathematics teaching, which comprises a ruler body 1 and a liquid injection cavity 2, wherein the front surface of the ruler body 1 is provided with a U-shaped bulge, the inside of the bulge is provided with a U-shaped liquid injection cavity 2, the ruler body 1 comprises a ruler body 101 and a sealing plate 102 arranged on the front surface of the ruler body 101, the liquid injection cavity 2 is formed between the ruler body 101 and the sealing plate 102, and the liquid injection cavity 2 comprises two vertical parts which are parallel to each other and a communicating part which extends horizontally, two ends of the communicating part are respectively communicated with the two vertical parts, colored liquid which is not completely filled in the two groups of vertical parts is filled in the liquid injection cavity 2, an auxiliary component 4 is arranged above the bulge, length scales are arranged on the top and two sides of the ruler body 1, by observing the horizontal height of the colored solution at the two ends of the liquid injection cavity 2, whether the ruler body 1 is in a horizontal state or not is judged, and the levelness of the drawn line segment is improved.
The auxiliary assembly 4 comprises two guide rods 401 which are parallel to each other, one end of each guide rod 401 is hinged to the ruler body 1, the other end of each guide rod 401 is hinged to an auxiliary rod 402, the ruler body 1 and the two guide rods 401 jointly form a parallelogram structure, the auxiliary rod 402 which is parallel to the ruler body 1 is lifted, parallel lines which are parallel to the ruler body 1 are drawn through the auxiliary rod 402, and the drawing convenience of the horizontal lines in the teaching process is improved.
As an alternative embodiment, the bottom of the ruler body 1 is provided with the angle-adjusting assembly 3, the angle-adjusting assembly 3 comprises a fixing ring 302 fixed at the bottom of the closing plate 102, the fixing ring 302 is internally provided with a stay 303, one end of the back surface of the stay 303 is fixed with a semicircular ruler 301, the other end of the stay 303 is fixed with a stopper 304, a spring 305 is sleeved on the stay 303 between the stopper 304 and the fixing ring 302, the center of the back surface of the ruler body 101 is provided with a semicircular limiting groove 101a, the semicircular ruler 301 is placed in the limiting groove 101a, the ruler bodies 101 at both sides of the semicircular ruler 301 are both provided with positioning rods 101b, one end of the positioning rod 101b far away from the ruler body 101 is flush with both ends of the scale of the semicircular ruler 301, when a diagonal line of a set angle needs to be drawn, the stopper 304 is pressed downwards, the stay 303 and the semicircular ruler 301 are driven by the stopper 304 to move downwards, the semicircular ruler 301 is pulled out of the semicircular ruler 301 from the limiting groove 101a, and then the semicircular ruler 301, then the stopper 304 is released, the spring 305 drives the stopper 304 and the stay 303 to move, so that the semicircular ruler 301 is tightly pressed against the inside of the limiting groove 101a again, and the required oblique line is drawn through the angle formed by the semicircular ruler 301 and the ruler body 1. Be provided with a plurality of open-top's straight angle card on the positive protruding top of blade 1, and inside guide bar 401 card goes into the straight angle card, the straight angle card is the plastics material, and the straight angle card passes through screw connection with blade 1, fixes the auxiliary assembly 4 of fold condition through the straight angle card to prevent that guide bar 401 and auxiliary rod 402 from causing the influence to the drawing process.
By adopting the structure, when the ruler is used, a first line segment to be drawn is drawn along the top of the ruler body 1, when a line segment parallel to the first line segment needs to be drawn, a teaching worker presses the ruler body 1 to be tightly abutted against a blackboard, pulls the auxiliary rod 402 upwards at the same time, supports the auxiliary rod 402 through the two parallel guide rods 401, ensures that the auxiliary rod 402 is parallel to the ruler body 1 at any position, draws parallel lines along the length direction of the top of the auxiliary rod 402 under the support of the guide rods 401, and completes the drawing process of the parallel lines;
annotate liquid chamber 2 through the U-shaped that fills water totally in the inside setting of blade 1 to can confirm the level situation of the line segment drawn directly perceivedly through annotating the position of the coloured solution in 2 interior both ends of liquid chamber, with the convenience when improving the drawing water flat line, and set up the auxiliary rod 402 that can parallel rise on blade 1, with the parallel effect of ensureing that required drawing two parallel lines, improve the teaching quality, the practicality is strong.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a high school mathematics teaching is used as drawing ruler which characterized in that: the measuring tape comprises a measuring tape body (1) and a liquid injection cavity (2), wherein a U-shaped bulge is arranged on the front surface of the measuring tape body (1), the U-shaped liquid injection cavity (2) is arranged in the bulge, an auxiliary component (4) is arranged above the bulge, and length scales are arranged on the top and two sides of the measuring tape body (1);
the auxiliary assembly (4) comprises two guide rods (401) which are parallel to each other, one end of each guide rod (401) is hinged to the ruler body (1), the other end of each guide rod (401) is hinged to an auxiliary rod (402), and the auxiliary rods (402), the ruler body (1) and the two guide rods (401) jointly form a parallelogram structure.
2. The high school mathematics teaching as a ruler in claim 1, wherein: the ruler body (1) comprises a ruler body (101) and a sealing plate (102) arranged on the front face of the ruler body (101), the liquid injection cavity (2) is formed between the ruler body (101) and the sealing plate (102), and the liquid injection cavity (2) comprises two vertical parts which are parallel to each other and a communicating part which extends horizontally.
3. The high school mathematics teaching as claimed in claim 2, wherein: the two ends of the communicating part are respectively communicated with the two vertical parts, and colored liquid which is not completely filled in the two groups of vertical parts is filled in the liquid injection cavity (2).
4. The high school mathematics teaching as a ruler in claim 3, wherein: the angle adjusting device is characterized in that an angle adjusting component (3) is arranged at the bottom of the ruler body (1), the angle adjusting component (3) comprises a fixing ring (302) fixed at the bottom of the sealing plate (102), a support rod (303) is arranged inside the fixing ring (302), a semicircular ruler (301) is fixed at one end of the back of the support rod (303), a stop block (304) is fixed at the other end of the support rod (303), a spring (305) is sleeved on the support rod (303) between the stop block (304) and the fixing ring (302), a semicircular limiting groove (101 a) is formed in the center of the back of the ruler body (101), the semicircular ruler (301) is placed in the limiting groove (101 a), positioning rods (101 b) are arranged on the ruler body (101) on two sides of the semicircular ruler (301), and one end, far away from the ruler body (101), of the positioning rod (101 b) is flush with the two ends of the scale of the semicircular ruler (301).
5. The high school mathematics teaching as a ruler in claim 1, wherein: the ruler body (1) is positive the protruding top is provided with a plurality of open-topped straight angle clamps, just guide bar (401) card is gone into inside the straight angle clamp.
6. The high school mathematics teaching as claimed in claim 5, wherein: the flat angle clamp is made of plastic materials and is connected with the ruler body (1) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921963980.XU CN211808704U (en) | 2019-11-14 | 2019-11-14 | High school mathematics teaching is used as drawing ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921963980.XU CN211808704U (en) | 2019-11-14 | 2019-11-14 | High school mathematics teaching is used as drawing ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211808704U true CN211808704U (en) | 2020-10-30 |
Family
ID=73027547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921963980.XU Expired - Fee Related CN211808704U (en) | 2019-11-14 | 2019-11-14 | High school mathematics teaching is used as drawing ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211808704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386492A (en) * | 2021-07-06 | 2021-09-14 | 燕山大学 | Convenient ruler drawing tool and using method thereof |
-
2019
- 2019-11-14 CN CN201921963980.XU patent/CN211808704U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386492A (en) * | 2021-07-06 | 2021-09-14 | 燕山大学 | Convenient ruler drawing tool and using method thereof |
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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: 20201030 Termination date: 20201114 |