CN211918213U

CN211918213U - Multifunctional teaching ruler for mathematics

Info

Publication number: CN211918213U
Application number: CN202020440587.9U
Authority: CN
Inventors: 王翠萍
Original assignee: Yancheng Institute of Industry Technology
Current assignee: Yancheng Institute of Industry Technology; Yancheng Vocational Institute of Industry Technology
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-13
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a multi-functional teaching ruler for mathematics, including main scale and vice chi, the one end of main scale and vice chi is rotated through rotating and is connected, one side of main scale is provided with lock nut, one side fixedly connected with digital display angle gauge of lock nut, the inside of main scale has been seted up and has been run through the groove, the inside that runs through the groove is provided with the telescopic ruler, the bar mouth has been seted up to the surface of main scale. The utility model discloses a setting of major-minor chi, digital display angle gauge and chalk snap ring has realized that a teaching ruler just can be to drawing and measuring circular, the triangle-shaped of different angles, straight line, wave line and angle, through the setting of the telescopic ruler of scalable length, is convenient for draw the straight line and the circle of different length to the carrying and the accomodating of the teaching ruler of being convenient for, through emitting diode's setting, can make the teaching ruler act as the laser pen, the knowledge point that oneself said is clear in the instruction of being convenient for, so that better teaching.

Description

Multifunctional teaching ruler for mathematics

Technical Field

The utility model relates to a teaching field especially relates to multi-functional teaching chi for mathematics.

Background

At present, in the mathematical education process, the mr often need carry multiple drawing apparatus, conveniently draws various sharp, angle or draw the circle, and current drawing apparatus function is more single, can only draw sharp, protractor and ruler combination be used for drawing the angle, the compasses is used for drawing the circle etc. comparatively inconvenient, and the great inconvenient of area of occupation is carried and is accomodate.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a multifunctional teaching ruler for mathematics.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multifunctional teaching ruler for mathematics comprises a main ruler and an auxiliary ruler, wherein one ends of the main ruler and the auxiliary ruler are rotatably connected, one side of the main ruler is provided with a locking nut, one side of the locking nut is fixedly connected with a digital display angle gauge, a through groove is formed in the main ruler, a telescopic ruler is arranged in the through groove, the outer surface of the main ruler is provided with a strip-shaped opening, the strip-shaped opening is positioned on one side of the digital display angle gauge and is positioned right above the telescopic ruler, one end of the main ruler, which is far away from the angle gauge, is fixedly connected with a U-shaped plate, the U-shaped plate is positioned on the upper surface of the strip-shaped opening, the upper surface of the telescopic ruler is provided with a plurality of fixing grooves, the fixing grooves are positioned right below the strip-shaped opening, the middle position of the inner side wall of the U-shaped plate is fixedly connected with a rotating rod, the outer surface of the rotating rod is sleeved, the both ends of spring are connected with the lower fixed surface of the interior diapire of U template and L type fixed plate respectively, spring one end and arbitrary fixed slot block are kept away from to L type fixed plate, the one end fixedly connected with chalk snap ring of main scale is kept away from to the extension ruler, the cavity has been seted up to the one end inside that lock nut was kept away from to the auxiliary scale, the inside of cavity is provided with battery, control switch and emitting diode, the lateral wall that the cavity was run through to control switch and emitting diode's one end extends to the outside of auxiliary scale, one side fixedly connected with magnet piece that the main scale was kept away from to the auxiliary scale.

Furthermore, the storage battery, the control switch and the light emitting diode are electrically connected.

Furthermore, scales are arranged on the outer surfaces of the main ruler, the auxiliary ruler and the telescopic ruler.

Further, the main scale and the telescopic scale are the same in width.

Further, the lower surface of the auxiliary ruler is provided with a sliding block, and the sliding block is connected with a sliding groove in the bottom wall of the through groove in a sliding mode.

Further, the lower surface of the auxiliary ruler is arranged in a wave shape.

The utility model discloses following beneficial effect has:

1. through the arrangement of the main ruler, the auxiliary ruler, the iron stone sucking sheet, the locking nut, the digital display angle gauge and the chalk clamping ring, the auxiliary ruler is fixed on the blackboard by carrying the main ruler with the auxiliary ruler through the iron stone sucking sheet, the digital display angle gauge follows the display angle by rotating the main ruler, and the chalk is fixed through the chalk clamping ring, so that the drawing and the measurement of a circular triangle, a straight line, a wave line and an angle with different angles by using one teaching ruler are realized.

2. The setting of telescopic ruler, fixed slot, spring, L type fixed plate, the one end through pressing the L type fixed plate that is close to spring one side makes the other end upwarp of L type fixed plate and break away from the fixed slot, later stimulates the telescopic ruler to loosen after wanting flexible length, makes the one end of L type fixed plate fixed with the fixed slot block once more, is convenient for draw the straight line and the circle of different length through the flexible of telescopic ruler to the teaching ruler's of being convenient for carry and accomodate.

3. Through the arrangement of the storage battery, the light-emitting diode and the control switch, the control switch is pressed down to enable the storage battery to electrify and light the light-emitting diode, and the LED can serve as a laser pen, so that the knowledge points which are known by the user can be conveniently indicated and clarified, and better teaching is facilitated.

The utility model discloses a setting of major-minor chi, digital display angle gauge and chalk snap ring has realized that a teaching ruler just can be to drawing and measuring circular, the triangle-shaped of different angles, straight line, wave line and angle, through the setting of the telescopic ruler of scalable length, is convenient for draw the straight line and the circle of different length to the carrying and the accomodating of the teaching ruler of being convenient for, through emitting diode's setting, can make the teaching ruler act as the laser pen, the knowledge point that oneself said is clear in the instruction of being convenient for, so that better teaching.

Drawings

Fig. 1 is a front view of the multifunctional mathematics teaching ruler provided by the utility model;

fig. 2 is a schematic structural view of the multifunctional mathematics teaching ruler provided by the utility model;

FIG. 3 is a side sectional view of the multifunctional mathematics teaching ruler A provided by the utility model;

fig. 4 is the utility model provides a multi-functional teaching ruler's for mathematics plan view.

Illustration of the drawings:

1. a main scale; 2. a secondary ruler; 3. locking the nut; 4. a telescopic ruler; 5. a through groove; 6. a strip-shaped opening; 7. a U-shaped plate; 8. a slider; 9. a light emitting diode; 10. a control switch; 11. a digital display angle gauge; 12. a chalk snap ring; 13. an L-shaped fixing plate; 14. fixing grooves; 15. rotating the rod; 16. a spring; 17. a magnet piece; 18. a cavity; 19. and (4) a storage battery.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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.

Referring to fig. 1-4, the present invention provides an embodiment: a multifunctional teaching ruler for mathematics comprises a main ruler 1 and an auxiliary ruler 2, wherein one ends of the main ruler 1 and the auxiliary ruler 2 are rotatably connected, one side of the main ruler 1 is provided with a locking nut 3, one side of the locking nut 3 is fixedly connected with a digital display angle gauge 11, the main ruler 1 is internally provided with a through groove 5, the through groove 5 is internally provided with a telescopic ruler 4, the outer surface of the main ruler 1 is provided with a strip-shaped opening 6, the strip-shaped opening 6 is positioned on one side of the digital display angle gauge 11, the strip-shaped opening 6 is positioned right above the telescopic ruler 4, one end of the main ruler 1 far away from the digital display angle gauge 11 is fixedly connected with a U-shaped plate 7, the U-shaped plate 7 is positioned on the upper surface of the strip-shaped opening 6, the upper surface of the telescopic ruler 4 is provided with a plurality of fixing grooves 14, the plurality of fixing grooves 14 are positioned right below the strip-shaped opening 6, the middle, be provided with spring 16 between the one end of L type fixed plate 13 and the U type board 7, the both ends of spring 16 are connected with the interior diapire of U type board 7 and the lower fixed surface of L type fixed plate 13 respectively, spring 16 one end and arbitrary fixed slot 14 block are kept away from to L type fixed plate 13, the one end fixedly connected with chalk snap ring 12 of main scale 1 is kept away from to telescopic ruler 4, cavity 18 has been seted up to the one end inside that lock nut 3 was kept away from to secondary scale 2, the inside of cavity 18 is provided with battery 19, control switch 10 and emitting diode 9, the lateral wall that cavity 18 was run through to the one end of control switch 10 and emitting diode 9 extends to the outside of secondary scale 2, one side fixedly connected with magnet piece 17 that main scale 1 was kept away.

The storage battery 19, the control switch 10 and the light-emitting diode 9 are electrically connected and used for controlling the on-off of the light-emitting diode 9; the outer surfaces of the main ruler 1, the auxiliary ruler 2 and the telescopic ruler 4 are provided with scales, so that measurement is convenient; the main scale 1 and the telescopic scale 4 have the same width, so that the step condition when a straight line is drawn is avoided; the lower surface of the auxiliary ruler 2 is provided with a slide block 8, the slide block 8 is connected with a slide groove on the inner bottom wall of the through groove 5 in a sliding manner, and the non-telescopic ruler 4 is separated from the main ruler 1 from the through surfaces on the two sides of the through groove 5; the lower surface of the auxiliary ruler 2 is in a wave-shaped arrangement, so that a wave line can be conveniently drawn.

The working principle is as follows: the teaching ruler is adsorbed on a blackboard through a magnet piece 17, the teaching ruler is loosened by rotating a locking nut 3, a main ruler 1 can move on an auxiliary ruler 2, a digital display angle gauge 11 is opened, the main ruler 1 is stirred, the main ruler 1 rotates, the digital display angle gauge 11 displays the rotating angle, the measurement of triangle convenient angles with different angles is convenient to draw, chalk is clamped in the chalk clamping ring 12, the main ruler 1 is pulled to rotate for 360 degrees to draw a circle, the other end of an L-shaped fixing plate 13 is upwarped and separated from a fixing groove 14 by pressing one end of the L-shaped fixing plate 13 close to one side of a spring 16, then the telescopic ruler 4 is pulled to the length to be stretched and loosened, one end of the L-shaped fixing plate 13 is clamped and fixed with the fixing groove 14 again through the elastic force of the spring 16, the extension and the shortening of the main ruler 1 are convenient, the teaching ruler can draw circles with different lengths and different diameters and is convenient to store and carry, the battery 19 is powered to light the light emitting diode 9 by pressing the control switch 10, and can be used as a laser pen.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Multi-functional teaching ruler for mathematics, including main scale (1) and vice chi (2), its characterized in that: one end of a main scale (1) is rotatably connected with one end of a secondary scale (2), a locking nut (3) is arranged on one side of the main scale (1), a digital display angle gauge (11) is fixedly connected with one side of the locking nut (3), a through groove (5) is formed in the main scale (1), a telescopic scale (4) is arranged in the through groove (5), a strip-shaped opening (6) is formed in the outer surface of the main scale (1), the digital display opening (6) is positioned on one side of the angle gauge (11), the strip-shaped opening (6) is positioned right above the telescopic scale (4), a U-shaped plate (7) is fixedly connected with one end of the main scale (1) far away from the digital display angle gauge (11), the U-shaped plate (7) is positioned on the upper surface of the strip-shaped opening (6), a plurality of fixing grooves (14) are formed in the upper surface of the telescopic scale (4), and the plurality of fixing grooves (14) are positioned right below the strip-shaped opening (6, inside wall middle part fixedly connected with dwang (15) of U template (7), the surface of dwang (15) has cup jointed L type fixed plate (13), be provided with spring (16) between one end of L type fixed plate (13) and U template (7), the both ends of spring (16) are connected with the lower fixed surface of the interior diapire of U template (7) and L type fixed plate (13) respectively, spring (16) one end and arbitrary fixed slot (14) block are kept away from to L type fixed plate (13), the one end fixedly connected with chalk snap ring (12) of main scale (1) are kept away from in expansion scale (4), cavity (18) have been seted up to one end inside that lock nut (3) were kept away from in auxiliary scale (2), the inside of cavity (18) is provided with battery (19), control switch (10) and emitting diode (9), the lateral wall that the one end of control switch (10) and emitting diode (9) runs through cavity (18) extends to auxiliary scale (2) The side of the auxiliary ruler (2) far away from the main ruler (1) is fixedly connected with a magnet piece (17).

2. The multi-functional teaching ruler for mathematics of claim 1, wherein: the storage battery (19), the control switch (10) and the light-emitting diode (9) are electrically connected.

3. The multi-functional teaching ruler for mathematics of claim 1, wherein: the outer surfaces of the main ruler (1), the auxiliary ruler (2) and the telescopic ruler (4) are provided with scales.

4. The multi-functional teaching ruler for mathematics of claim 1, wherein: the main scale (1) and the telescopic scale (4) are the same in width.

5. The multi-functional teaching ruler for mathematics of claim 1, wherein: the lower surface of the auxiliary ruler (2) is provided with a sliding block (8), and the sliding block (8) is in sliding connection with a sliding groove in the bottom wall of the through groove (5).

6. The multi-functional teaching ruler for mathematics of claim 1, wherein: the lower surface of the auxiliary ruler (2) is arranged in a wave shape.