CN203752747U - Sine curve plotting instrument - Google Patents
Sine curve plotting instrument Download PDFInfo
- Publication number
- CN203752747U CN203752747U CN201420121480.2U CN201420121480U CN203752747U CN 203752747 U CN203752747 U CN 203752747U CN 201420121480 U CN201420121480 U CN 201420121480U CN 203752747 U CN203752747 U CN 203752747U
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- CN
- China
- Prior art keywords
- rotating shaft
- gear
- casing
- sine curve
- slide rail
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a sine curve plotting instrument. In the common teaching and life process, a sine curve is manually drawn in a free-hand mode, and great inconvenience is brought to teaching and learning. The sine curve plotting instrument comprises a speed adjusting mechanism and a sine curve mechanism, wherein the speed adjusting mechanism and the sine curve mechanism are connected into a whole through a connecting rod, and the speed adjusting mechanism comprises a box body. A first rotating shaft, a second rotating shaft and a third rotating shaft are arranged in the box body, a vertical sliding groove is formed in the box body, one end of the third rotating shaft is movably arranged in the vertical sliding groove, a first gear and a third gear are arranged on the first rotating shaft in a spaced mode, a second gear and a fourth gear are arranged on the second rotating shaft, the third gear is meshed with the fourth gear, and a rack meshed with the first gear is arranged on the first gear. The sine curve mechanism comprises a vertical sliding rail, a transverse sliding rail and a two-effort rod, a chalk clamp is arranged between the vertical sliding rail and the two-effort rod, the other end of the two-effort rod is fixedly connected with the transverse sliding rail, and a telescopic rod which slides in the transverse direction of the telescopic rod is arranged on the transverse sliding rail in a clamped mode. The sine curve plotting instrument is simple in structure and capable of plotting the precise sine curve and enriches the teaching life.
Description
Technical field
the utility model relates to a kind of plotter, especially a kind of sine curve plotter.
Background technology
Along with popularizing of social development and education, the demand of teaching aid is more and more extensive.Common teaching aid is varied, such as ruler, compasses, set square, teaching pole etc. are not only for teacher provides good demonstration, has also given great convenience to Students ' Learning simultaneously.Wherein, in teaching, there is no the sinusoidal drawing teaching aid of a kind of energy accurate Drawing, on market, lack this kind of easy light and handy sine curve plotter yet.
In general teaching and life, drawing sine curve is free-hand drafting artificially, the curve of drawing out is neither attractive in appearance, also inaccuracy, especially Arts and Building class student are very high to the curve required precision of drawing in the time drawing, common drawing instrument or free-hand drafting very difficult reaches requirement, and teaching and study are brought to very big inconvenience.
Summary of the invention
The purpose of this utility model is to provide a kind of a kind of sine curve plotter simple and compact for structure and flexible to operation.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of sine curve plotter, comprises the speed adjusting gear and the sine mechanism that are connected as a single entity by connecting rod;
Described speed adjusting gear comprises casing, sets gradually from top to bottom the first rotating shaft, the second rotating shaft and the 3rd rotating shaft in casing; The first rotating shaft two ends are fixed on cabinet wall, one end of the second rotating shaft is fixed on cabinet wall, and the other end stretches out casing and is connected with outside wind, is provided with vertical chute on casing, one end of the 3rd rotating shaft is movably arranged in vertical chute, and the other end is flexibly connected with casing by support; In described the first rotating shaft, be arranged at intervals with the first gear and the 3rd gear, in the second rotating shaft, be arranged at intervals with the second gear and the 4th gear, the 3rd gear and the 4th gear are meshed, the bottom of the first gear is provided with the tooth bar engaging with it, and the other end of tooth bar stretches out casing and end is provided with fixture; In described the 3rd rotating shaft, be movably set with the cone dish and the left belt wheel that are connected, cone dish is connected by belt with the second gear, and left belt wheel is connected with sine mechanism by belt;
Described sine mechanism comprises perpendicular slide rail, sideslip rail and two power bars, between perpendicular slide rail and two power bars, be provided with chalk folder, slide and be arranged on perpendicular slide rail in chalk folder one end, the other end is fixed on two power bar one end, the other end of two power bars and sideslip rail are connected, and are arranged with the expansion link that can laterally slide along it on sideslip rail, between expansion link and perpendicular slide rail, are fixed with flexible pole socket, on flexible pole socket, be provided with rotating right belt wheel, right belt wheel is connected with left belt wheel by belt; Described connecting rod one end is fixed on casing, and the other end is fixed on perpendicular slide rail.
Described the first rotating shaft, the second rotating shaft and the 3rd rotating shaft are parallel to each other and are in the same plane; Two power bars and perpendicular slide rail are in the same plane, and described flexible pole socket sidepiece has rectangular opening, and expansion link stretches into rectangular opening and holds out against by bolt.
Compared with prior art, the utlity model has following beneficial effect:
1. the utility model meets that classroom attends class that needs are drawn on blackboard and the demand of student's operation completely, and the sine curve amplitude of drawing out regulates arbitrarily between 0-20cm, and circular frequency ω regulates arbitrarily within the scope of 0.6-2.5rad/s.
3. the utility model structurally, has been selected the most reasonably sine mechanism, has selected rack-and-pinion transmission and the mode with transmission combination on transmission mechanism, reliable transmission, and gearratio is accurate, and therefore, the sine curve precision of drawing is higher.
4, the utility model is simple in structure, easy to operate, can draw out accurate sine curve, has greatly enriched teaching life.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to schematic diagram;
Fig. 3 is the structural representation of sine mechanism;
Fig. 4 is that B in Fig. 1 is to schematic diagram.
Wherein: 1. casing; 2. the first rotating shaft; 3. the second rotating shaft; 4. the 3rd rotating shaft; 5. vertical chute; 6. support; 7. the first gear; 8. the 3rd gear; 9. the second gear; 10. the 4th gear; 11. tooth bars; 12. cone dishes; 13. left belt wheels; 14. perpendicular slide rails; 15. sideslip rails; 16. 2 power bars; 17. chalk folders; 18. expansion links; 19. flexible pole sockets; 20. right belt wheels; 21. connecting rods; 22. handles.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the utility model is described in detail.
Referring to Fig. 1, a kind of sine curve plotter, comprises the speed adjusting gear and the sine mechanism that connect by connecting rod 21.
Referring to Fig. 2, described speed adjusting gear comprises casing 1, sets gradually from top to bottom that the first rotating shaft 2, the second rotating shaft 3 and the 3rd rotating shaft 4, the first rotating shafts 2, the second rotating shaft 3 and the 3rd rotating shaft 4 are parallel to each other and in the same plane in casing 1; The first rotating shaft 2 two ends are fixed on casing 1 inwall, one end of the second rotating shaft 3 is fixed on casing 1 inwall, the other end stretches out casing 1 and is connected with outside wind 22, on casing 1, be provided with vertical chute 5, one end of the 3rd rotating shaft 4 is movably arranged in vertical chute 5, and the other end is flexibly connected with casing 1 by support 6; In the first rotating shaft 2, be arranged at intervals with the first gear 7 and the 3rd gear 8, in the second rotating shaft 3, be arranged at intervals with the second gear 9 and the 4th gear 10, the 3rd gear 8 and the 4th gear 10 are meshed, the bottom of the first gear 7 is provided with the tooth bar 11 engaging with it, and the other end of tooth bar 11 stretches out casing 1 and end is provided with fixture; In the 3rd rotating shaft 4, be movably set with the cone dish 12 and the left belt wheel 13 that are connected, cone dish 12 is connected by belt with the second gear 9, and left belt wheel 13 is connected with sine mechanism by belt.
The effect of speed adjusting gear is input power, speed change, transferring power and changes the sinusoidal frequencies omega of drawing.Because needs transmit power, what gear did is to rotatablely move, and will have so axle to provide support for these gears.Due to the transmission of gear for fixed than transmission, so in the time that the number of teeth of two gears that are meshed is different, the rotating speed that he transmits will change, and just need to have such a device to realize this function for the change sinusoidal frequencies omega of drawing.
Referring to Fig. 3, sine mechanism comprises perpendicular slide rail 14, sideslip rail 15 and two power bars 16, two power bars 16 and perpendicular slide rail 14 are in the same plane, between perpendicular slide rail 14 and two power bars 16, be provided with chalk folder 17, chalk presss from both sides 17 one end slips and is arranged on perpendicular slide rail 14, the other end is fixed on two power bar 16 one end, the other end of two power bars 16 and sideslip rail 15 are connected, on sideslip rail 15, be arranged with the expansion link 18 that can laterally slide along it, between expansion link 18 and perpendicular slide rail 14, be fixed with flexible pole socket 19, on flexible pole socket 19, be provided with rotating right belt wheel 20, right belt wheel 20 is connected with left belt wheel 13 by belt, connecting rod 21 one end are fixed on casing 1, and the other end is fixed on perpendicular slide rail 14.
Flexible pole socket 19 sidepieces have rectangular opening, and expansion link 18 stretches into rectangular opening and holds out against by bolt.
Operation principle of the present utility model is: fixture is fixed on blackboard, in the time that illustrator uses hand along counter clockwise direction turning handle 22, the 4th gear 10 is followed the second rotating shaft 3 and is rotated, then the 4th gear 10 drives the 3rd gear 8 to rotate along clockwise direction, and the 3rd gear 8 and the first gear 7 are all connected with the first rotating shaft 2, so the first rotating shaft 2 and the first gear 7 all clockwise rotate with the 3rd gear 8, final speed adjusting gear and sine mechanism do level rectilinear motion to the right under the drive of the first gear 7.
When the second rotating shaft 3 rotates counterclockwise, under bel-drivenn effect, cone dish 12 rotates counterclockwise with the second rotating shaft 3, cone dish 12 is connected with left belt wheel 13, left belt wheel 13 also rotates counterclockwise, transmission bottom right belt wheel 20 at belt also rotates in the counterclockwise direction, under the drive of right belt wheel 20, expansion link 18 also rotates in the counterclockwise direction, slide in expansion link 18 tops on sideslip rail 15, force the 15 in the vertical direction motions of sideslip rail simultaneously, because two power bars 16 are connected with sideslip rail 15, therefore two power bars 16 also in the vertical direction move, thereby drive chalk folder 17 to slide on perpendicular slide rail 14, because sine mechanism and speed adjusting gear are connected by connecting rod and have level rectilinear motion to the right.After synthetic these two motions, chalk folder is just a sine curve with respect to the track of blackboard.
If change the gearratio of belt between the 4th gear 10 and cone dish 12, stretch into and firmly push up left belt wheel 13 from vertical chute 5 with a push rod, thereby make left belt wheel 13 push the other end of the 3rd rotating shaft 4 to together with cone dish 12, it is apart from adjusting according to actual conditions.
Claims (2)
1. a sine curve plotter, is characterized in that: comprise the speed adjusting gear and the sine mechanism that are connected as a single entity by connecting rod (21);
Described speed adjusting gear comprises casing (1), sets gradually from top to bottom the first rotating shaft (2), the second rotating shaft (3) and the 3rd rotating shaft (4) in casing (1); The first rotating shaft (2) two ends are fixed on casing (1) inwall, one end of the second rotating shaft (3) is fixed on casing (1) inwall, the other end stretches out casing (1) and is connected with outside wind (22), on casing (1), be provided with vertical chute (5), one end of the 3rd rotating shaft (4) is movably arranged in vertical chute (5), and the other end is flexibly connected with casing (1) by support (6); In described the first rotating shaft (2), be arranged at intervals with the first gear (7) and the 3rd gear (8), in the second rotating shaft (3), be arranged at intervals with the second gear (9) and the 4th gear (10), the 3rd gear (8) and the 4th gear (10) are meshed, the bottom of the first gear (7) is provided with the tooth bar (11) engaging with it, and the other end of tooth bar (11) stretches out casing (1) and end is provided with fixture; In described the 3rd rotating shaft (4), be movably set with the cone dish (12) and the left belt wheel (13) that are connected, cone dish (12) is connected by belt with the second gear (9), and left belt wheel (13) is connected with sine mechanism by belt;
Described sine mechanism comprises perpendicular slide rail (14), sideslip rail (15) and two power bars (16), between perpendicular slide rail (14) and two power bars (16), be provided with chalk folder (17), slide and be arranged on perpendicular slide rail (14) in chalk folder (17) one end, the other end is fixed on two power bar (16) one end, the other end of two power bars (16) and sideslip rail (15) are connected, on sideslip rail (15), be arranged with the expansion link (18) that can laterally slide along it, between expansion link (18) and perpendicular slide rail (14), be fixed with flexible pole socket (19), on flexible pole socket (19), be provided with rotating right belt wheel (20), right belt wheel (20) is connected with left belt wheel (13) by belt, it is upper that described connecting rod (21) one end is fixed on casing (1), and the other end is fixed on perpendicular slide rail (14).
2. a kind of sine curve plotter according to claim 1, is characterized in that: described the first rotating shaft (2), the second rotating shaft (3) and the 3rd rotating shaft (4) are parallel to each other and are in the same plane; Two power bars (16) and perpendicular slide rail (14) are in the same plane, and described flexible pole socket (19) sidepiece has rectangular opening, and expansion link (18) stretches into rectangular opening and holds out against by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121480.2U CN203752747U (en) | 2014-03-18 | 2014-03-18 | Sine curve plotting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121480.2U CN203752747U (en) | 2014-03-18 | 2014-03-18 | Sine curve plotting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752747U true CN203752747U (en) | 2014-08-06 |
Family
ID=51248053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420121480.2U Withdrawn - After Issue CN203752747U (en) | 2014-03-18 | 2014-03-18 | Sine curve plotting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203752747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950325A (en) * | 2014-03-18 | 2014-07-30 | 西安工业大学 | Sine curve drawing instrument |
| CN106004180A (en) * | 2016-06-24 | 2016-10-12 | 贵州大学 | Demonstration teaching aid for drawing sine curves and cosine curves and using method thereof |
-
2014
- 2014-03-18 CN CN201420121480.2U patent/CN203752747U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950325A (en) * | 2014-03-18 | 2014-07-30 | 西安工业大学 | Sine curve drawing instrument |
| CN103950325B (en) * | 2014-03-18 | 2015-08-05 | 西安工业大学 | Sine curve plotter |
| CN106004180A (en) * | 2016-06-24 | 2016-10-12 | 贵州大学 | Demonstration teaching aid for drawing sine curves and cosine curves and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |