CN217145455U - Multifunctional ruler for mathematical education - Google Patents

Abstract

The utility model relates to a mathematical education technical field discloses a multi-functional ruler is used in mathematical education, including backup pad and bending plate, vertical running through has seted up spacing spout between backup pad top and the bottom, spacing spout inner chamber sliding insertion has spacing slide bar and spacing slide pipe, vertical running through has seted up the spout between bending plate top and the bottom, both ends all are connected with the connecting plate through the connecting axle rotation about the bending plate, the vertical slip of spacing slide bar runs through the connecting plate middle part, threaded connection has spacing nut on the spacing slide bar outer wall, spacing nut is located the connecting plate top, connecting chute has been seted up at spacing slide bar top middle part, spacing slide bar top is provided with presses the pressing plate. The utility model discloses not only can draw the straight line at the in-process of in-service use, can also draw the centre of a circle and measure the angle, the effectual practicality that increases this device, and this device simple structure, whole outward appearance is clean and tidy not occupation space portable.

Description

Multifunctional ruler for mathematical education

Technical Field

The utility model relates to a mathematical education technical field specifically is a multi-functional ruler is used in mathematical education.

Background

Mathematics is a general means for human beings to strictly describe the abstract structure and mode of things, can be applied to any problem in the real world, and all mathematical objects are artificially defined in nature. In this sense, mathematics belongs to formal science, not natural science. Different mathematicians and philosophies have a range of views on the exact scope and definition of mathematics.

Straightedges, also known as rulers, have precisely straight edges for measuring length and drawing. The method is widely applied to the subjects of mathematics, measurement, engineering and the like.

Often need use the ruler to draw supplementary teaching of drawing among the mathematical education, but current ruler is at the in-process of in-service use, and the ruler only has the function of drawing the straight line and measuring length, and the less practicality of function is lower.

In order to solve the problem, the utility model provides a multifunctional ruler for mathematical education.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional ruler is used in mathematics teaching has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional ruler for mathematical education comprises a supporting plate and a bending plate;

vertical running through has been seted up spacing spout between backup pad top and the bottom, spacing spout inner chamber sliding insertion has spacing slide bar and spacing slide pipe, vertical running through has been seted up the spout between buckling plate top and the bottom, both ends all are rotated through the connecting axle and are connected with the connecting plate about the buckling plate, the vertical slip of spacing slide bar runs through the connecting plate middle part, threaded connection has limit nut on the spacing slide bar outer wall, limit nut is located the connecting plate top, connecting spout has been seted up at spacing slide bar top middle part, spacing slide bar top is provided with the press board.

As an optimized embodiment of the utility model, the vertical slip of spacing slide tube runs through spacing spout inner chamber middle part.

As an preferable embodiment of the present invention, the bottom of the bending plate is provided with a bending groove.

As a preferred embodiment of the utility model, scale mark A and scale mark B are carved with respectively to both sides face and backup pad top front and back around the bending plate.

As an optimal implementation manner of the utility model, press platen bottom fixed mounting to have link block, link block rotates to imbed and connects the spout inner chamber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a multifunctional ruler for mathematical education, which is characterized in that a support plate is pasted on a blackboard, then a straight line can be drawn on the blackboard through the assistance of the support plate, a pressing plate is pressed, a limit slide bar is tightly pressed on the blackboard through a connecting slide block and a connecting slide groove by the pressing plate, then a chalk is inserted into the inner cavity of the limit slide tube and the chalk is pressed, then the support plate is rotated by taking the limit slide bar as the center of a circle, the support plate drives the chalk to move through the limit slide tube, a circle can be drawn on the backboard, two groups of limit slide bars are mutually close to each other, two groups of limit slide bars push the two ends of a bending plate to move through the connecting plate and the connecting shaft, so that the two ends of the bending plate are mutually close to each other, the bending plate is bent to form a semicircle, then an angle can be measured through a scale line A on the bending plate, so that the device can not only draw a straight line and measure the length in the actual use process, can also draw the centre of a circle and measure the angle, effectively increased the practicality of this device, and this device simple structure, whole outward appearance is clean and tidy, occupation space, portable.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of the multifunctional ruler for mathematics teaching of the present invention;

FIG. 2 is a front sectional view of the support plate, the limit slide bar and the limit nut of the multifunctional ruler for mathematics teaching of the present invention;

FIG. 3 is a top view of the multifunctional ruler for mathematics teaching of the present invention;

FIG. 4 is a top view of the support plate of the multifunctional ruler for mathematics teaching of the present invention;

fig. 5 is the utility model relates to a section connection diagram is looked with the right side of backup pad, spacing slide bar, press plate and the spacing nut of multi-functional ruler for mathematical education.

In the figure: 1. a limiting slide bar; 2. a connecting shaft; 3. bending the groove; 4. a limiting sliding pipe; 5. scale line A; 6. a support plate; 7. a pressing plate; 8. a limit nut; 9. a connecting plate; 10. a limiting chute; 11. scale line B; 12. a chute; 13. connecting the sliding chute; 14. connecting the sliding block; 15. and a bending plate.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in the model of providing with electrical apparatus only supplies the reference, to the ordinary technical personnel in this field, can change the different models that the function is the same according to the in service use condition and use electrical apparatus, to the ordinary technical personnel in this field, can the particular case understand that above-mentioned term is in the utility model provides a concrete meaning.

Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional ruler for mathematics teaching comprises a supporting plate 6 and a bending plate 15;

vertical running through has been seted up spacing spout 12 between 6 tops of backup pad and the bottom, 12 inner chambers of spacing spout slip insert has spacing slide bar 1 and spacing slide tube 4, vertical running through has been seted up spout 10 between 15 tops of buckling plate and the bottom, both ends are all rotated through connecting axle 2 about buckling plate 15 and are connected with connecting plate 9, 1 vertical slip of spacing slide bar runs through connecting plate 9 middle part, threaded connection has limit nut 8 on 1 outer wall of spacing slide bar, limit nut 8 is located connecting plate 9 top, connecting spout 13 has been seted up at 1 top middle part of spacing slide bar, 1 top of spacing slide bar is provided with pressing plate 7.

In the embodiment, the support plate 6 is attached to a blackboard, then a straight line can be drawn on the blackboard through the assistance of the support plate 6, the pressing plate 7 is pressed, the limit slide bars 1 are tightly pressed on the blackboard through the connecting slide blocks 14 and the connecting slide grooves 13 by the pressing plate 7, then chalks are inserted into the inner cavity of the limit slide tubes 4 and pressed, then the support plate 6 is rotated by taking the limit slide bars 1 as the circle center, the support plate 6 drives the chalks to move through the limit slide tubes 4, so that circles can be drawn on the backboard, the two groups of limit slide bars 1 are close to each other, the two groups of limit slide bars 1 push the two ends of the bending plate 15 to move through the connecting plate 9 and the connecting shaft 2, so that the two ends of the bending plate 15 are close to each other, the bending plate 15 is bent to form a semicircle, then the angle can be measured through the scale line A5 on the bending plate 15, so that the device can not only draw a straight line in the actual use process, can also draw the centre of a circle and measure the angle, effectively increased the practicality of this device, and this device simple structure, whole outward appearance is clean and tidy, occupation space, portable

In this embodiment, the limiting sliding tube 4 vertically slides through the middle of the inner cavity of the limiting sliding groove 10, and the sliding groove 10 enables the chalk to pass through the bending plate 15 and be inserted into the inner cavity of the limiting sliding tube 4.

In this embodiment, bending groove 3 has been seted up to bending plate 15 bottom, and through the setting of bending groove 13, bending groove 13 makes bending plate 15 can be more light buckle.

In this embodiment, the front and rear sides of the bending plate 15 and the front and rear sides of the top of the supporting plate 6 are respectively marked with a graduation mark a5 and a graduation mark B11, so that the angle can be measured through the graduation mark a5, and the length can be measured through the graduation mark B11.

In this embodiment, a connecting slider 14 is fixedly installed at the bottom of the pressing plate 7, the connecting slider 14 is rotatably embedded in an inner cavity of the connecting sliding groove 13, and the connecting slider 14 and the connecting sliding groove 13 enable the pressing plate 7 to be rotatably connected with the top of the limiting sliding rod 1.

It should be noted that, the utility model relates to a multifunctional ruler for mathematical education, including spacing slide bar 1, connecting axle 2, bending groove 3, spacing slide tube 4, scale mark A5, backup pad 6 press plate 7, spacing nut 8, connecting plate 9, spacing spout 10, scale mark B11, spout 12, connect spout 13, link block 14, bending plate 15, the part is general standard or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

The working principle is that when the device is used, the supporting plate 6 is attached to a blackboard, then a straight line can be drawn on the blackboard through the assistance of the supporting plate 6, the pressing plate 7 is pressed, the limiting slide bars 1 are tightly pressed on the blackboard through the connecting slide blocks 14 and the connecting slide grooves 13 by the pressing plate 7, then chalks are inserted into the inner cavities of the limiting slide tubes 4 and pressed, then the supporting plate 6 is rotated by taking the limiting slide bars 1 as the circle center, the supporting plate 6 drives the chalks to move through the limiting slide tubes 4, so that circles can be drawn on the backboard, the two groups of limiting slide bars 1 are close to each other, the two groups of limiting slide bars 1 push the two ends of the bending plate 15 to move through the connecting plate 9 and the connecting shaft 2, so that the two ends of the bending plate 15 are close to each other, further the bending plate 15 is bent to form a semicircle, then the angle can be measured through the scale mark A5 on the bending plate 15, so that the device can not only draw a straight line in the actual use process, can also draw the centre of a circle and measure the angle, effectively increased the practicality of this device, and this device simple structure, whole outward appearance is clean and tidy not occupation space portable.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A multifunctional ruler for mathematics teaching is characterized by comprising a supporting plate (6) and a bending plate (15);

vertical running through has seted up spacing spout (12) between backup pad (6) top and the bottom, spacing spout (12) inner chamber slip has inserted spacing slide bar (1) and spacing slide tube (4), vertical running through has seted up spout (10) between buckling plate (15) top and the bottom, both ends are all rotated through connecting axle (2) and are connected with connecting plate (9) about buckling plate (15), spacing slide bar (1) vertical slip runs through connecting plate (9) middle part, threaded connection has spacing nut (8) on spacing slide bar (1) outer wall, spacing nut (8) are located connecting plate (9) top, spacing slide bar (1) top middle part has been seted up and has been connected spout (13), spacing slide bar (1) top is provided with according to clamp plate (7).

2. The multifunctional ruler for mathematics teaching as claimed in claim 1, wherein: the limiting sliding pipe (4) vertically slides to penetrate through the middle of the inner cavity of the limiting sliding groove (10).

3. The multifunctional ruler for mathematics teaching as claimed in claim 1, wherein: the bottom of the bending plate (15) is provided with a bending groove (3).

4. The multifunctional ruler for mathematics teaching as claimed in claim 1, wherein: scale marks A (5) and scale marks B (11) are respectively marked on the front side surface and the rear side surface of the bending plate (15) and the front side surface and the rear side surface of the top of the supporting plate (6).

5. The multifunctional ruler for mathematics teaching as claimed in claim 1, wherein: the bottom of the pressing plate (7) is fixedly provided with a connecting slide block (14), and the connecting slide block (14) is rotatably embedded into an inner cavity of the connecting sliding groove (13).

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