CN205395548U - Blackboard for mathematics teaching - Google Patents
Blackboard for mathematics teaching Download PDFInfo
- Publication number
- CN205395548U CN205395548U CN201620140997.5U CN201620140997U CN205395548U CN 205395548 U CN205395548 U CN 205395548U CN 201620140997 U CN201620140997 U CN 201620140997U CN 205395548 U CN205395548 U CN 205395548U
- Authority
- CN
- China
- Prior art keywords
- ruler
- rocking arm
- slide
- face
- swing joint
- Prior art date
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a blackboard for mathematics teaching, includes base, face, lock nut, horizontal sliding path, slide, vertical slide, drawing ruler, central pivot, ruler rocking arm, rocking arm pointer, U -shaped slide and chalk fixed block, the face is connected on the base, and through lock nut locking, each division of both ends has horizontal sliding path about the face, the slide passes through horizontal sliding path swing joint on the face, open on the slide right side has vertical slide, the drawing ruler passes through vertical slide swing joint on the slide, the ruler rocking arm is through central pivot and drawing ruler swing joint, ruler rocking arm top edge is equipped with sharp scale, rocking arm pointer fixed connection is on the ruler rocking arm, it has the U -shaped slide to open on the ruler rocking arm, the chalk fixed block passes through U -shaped slide swing joint on the ruler rocking arm. The beneficial effect of the utility model and the advantage has: adopt the utility model is used for simple accurate is drilled to the board, and the operation of being convenient for draw reduces teacher's burden of imparting knowledge to students, and the accuracy of drawing has improved the quality of instruction.
Description
Technical field
This utility model relates to a kind of mathematical education blackboard.
Background technology
The process of mathematical education it is frequently necessary to mapping explanation demonstration on blackboard.Generally, teacher on the other hand holds fixing ruler high, a hand-held chalk mapping, draws when angle also inaccurate, and operate and waste time and energy, and time length arm can produce to ache, and affects the quality of instruction of teacher.
Summary of the invention
The purpose of this utility model is in that to provide a kind of mathematical education blackboard, is used for facilitating mathematical education to draw and demonstrates.
This utility model adopts the following technical scheme that a kind of mathematical education blackboard, including base, plate face, locking nut, horizontal slide, slide plate, vertical slideway, drawing ruler, central rotating shaft, ruler rocking arm, rocking arm pointer, U-shaped slideway and chalk fixed block；Plate face is connected on base, and locked by locking nut, upper and lower two ends, plate face respectively have horizontal slide, slide plate is movably connected on plate face by horizontal slide, vertical slideway is had on the right side of slide plate, drawing ruler is movably connected on slide plate by vertical slideway, ruler rocking arm is flexibly connected with drawing ruler by central rotating shaft, ruler rocking arm top edge is provided with slide-rule dial; rocking arm pointer is fixedly connected on ruler rocking arm; having U-shaped slideway on ruler rocking arm, chalk fixed block is movably connected on ruler rocking arm by U-shaped slideway.
This utility model also has following technical characteristic: described drawing ruler top edge is provided with slide-rule dial, and drawing ruler surface has 45 ° of right triangle aperture, 60 ° of right triangle aperture and circular port, and circular port peripheral circumferential is provided with circular scale.
The beneficial effects of the utility model and having the advantages of: adopt this utility model to drill simple and easy to do for plate, it is simple to mapping operation, reduce teachers ' teaching burden, draw accurately, improve quality of instruction.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is further described:
Embodiment 1
As it is shown in figure 1, a kind of mathematical education blackboard, including base 1, plate face 2, locking nut 3, horizontal slide 4, slide plate 5, vertical slideway 6, drawing ruler 7, central rotating shaft 8, ruler rocking arm 9, rocking arm pointer 10, U-shaped slideway 11 and chalk fixed block 12；Plate face 2 is connected on base 1, and locked by locking nut 3, two ends, plate face about 2 respectively have horizontal slide 4, slide plate 5 is movably connected on plate face 2 by horizontal slide 4, vertical slideway 6 is had on the right side of slide plate 5, drawing ruler 7 is movably connected on slide plate 5 by vertical slideway 6, drawing ruler 7 top edge is provided with slide-rule dial, drawing ruler 7 surface has 45 ° of right triangle aperture, 60 ° of right triangle aperture and circular port, circular port peripheral circumferential is provided with circular scale, ruler rocking arm 9 is flexibly connected with drawing ruler 7 by central rotating shaft 8, ruler rocking arm 9 top edge is provided with slide-rule dial, rocking arm pointer 10 is fixedly connected on ruler rocking arm 9, ruler rocking arm 9 has U-shaped slideway 11, chalk fixed block 12 is movably connected on ruler rocking arm 9 by U-shaped slideway 11.
During use, adjustable plate face 2 angle is to appropriate location, and rotational lock nut 3 fixes position, plate face 2, is fixed on by chalk in chalk fixed block 12, starts to draw；Regulated the horizontal level of drawing ruler 7 along horizontal slide 4 slip by slide plate 5, regulated the vertical position of drawing ruler 7 along the slip of vertical slideway 6 by drawing ruler 7, after adjustment terminates, drawing ruler 7 moves to required drawing position, utilize slide-rule dial on drawing ruler 7 can complete the drafting of random length straight line, utilize 45 ° of right triangle aperture on drawing ruler 7 and the 60 ° of right triangle aperture can the drafting of complete at 45 ° and 60 ° of direction straight lines, utilize circular scale rotary ruler combination rocking arm 9 to the relevant position on rocking arm pointer 10 and drawing ruler 7 can complete the drafting of any direction straight line, utilize the slide-rule dial on ruler rocking arm 9 that chalk fixed block 12 moves to relevant position and can complete the drafting of any radius circle.
Claims (2)
1. a mathematical education blackboard, including base (1), plate face (2), locking nut (3), horizontal slide (4), slide plate (5), vertical slideway (6), drawing ruler (7), central rotating shaft (8), ruler rocking arm (9), rocking arm pointer (10), U-shaped slideway (11) and chalk fixed block (12)；Plate face (2) is connected on base (1), and by locking nut (3) locking, it is characterized in that: plate face (2) respectively have horizontal slide (4) in two ends up and down, slide plate (5) is movably connected on plate face (2) by horizontal slide (4), slide plate (5) right side has vertical slideway (6), drawing ruler (7) is movably connected on slide plate (5) by vertical slideway (6), ruler rocking arm (9) is flexibly connected with drawing ruler (7) by central rotating shaft (8), ruler rocking arm (9) top edge is provided with slide-rule dial, rocking arm pointer (10) is fixedly connected on ruler rocking arm (9), ruler rocking arm (9) has U-shaped slideway (11), chalk fixed block (12) is movably connected on ruler rocking arm (9) by U-shaped slideway (11).
2. a kind of mathematical education blackboard according to claim 1, it is characterized in that: described drawing ruler (7) top edge is provided with slide-rule dial, drawing ruler (7) surface has 45 ° of right triangle aperture, 60 ° of right triangle aperture and circular port, and circular port peripheral circumferential is provided with circular scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140997.5U CN205395548U (en) | 2016-02-25 | 2016-02-25 | Blackboard for mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140997.5U CN205395548U (en) | 2016-02-25 | 2016-02-25 | Blackboard for mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205395548U true CN205395548U (en) | 2016-07-27 |
Family
ID=56447172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620140997.5U Expired - Fee Related CN205395548U (en) | 2016-02-25 | 2016-02-25 | Blackboard for mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205395548U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718947A (en) * | 2017-08-31 | 2018-02-23 | 邹先微 | A kind of multi-functional blackboard |
| CN107891689A (en) * | 2017-10-23 | 2018-04-10 | 董国玉 | A kind of board for teaching mathematics |
| CN107984941A (en) * | 2017-11-27 | 2018-05-04 | 中原工学院 | A kind of Higher Mathematics Teaching apparatus |
| CN110194013A (en) * | 2019-05-14 | 2019-09-03 | 王梦欣 | A kind of network Mathematical Teaching System |
-
2016
- 2016-02-25 CN CN201620140997.5U patent/CN205395548U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718947A (en) * | 2017-08-31 | 2018-02-23 | 邹先微 | A kind of multi-functional blackboard |
| CN107891689A (en) * | 2017-10-23 | 2018-04-10 | 董国玉 | A kind of board for teaching mathematics |
| CN107984941A (en) * | 2017-11-27 | 2018-05-04 | 中原工学院 | A kind of Higher Mathematics Teaching apparatus |
| CN110194013A (en) * | 2019-05-14 | 2019-09-03 | 王梦欣 | A kind of network Mathematical Teaching System |
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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: 20160727 Termination date: 20180225 |