CN108556528A - A kind of novel multifunctional teaching ruler - Google Patents

Abstract

The invention discloses a kind of novel multifunctional teaching rulers, including slide-rule dial slot, the first batten, the first shaft, angle index slot, protractor, annular groove, limited block, the second shaft, the second batten, chalk barrel, fixing bolt, third batten, stitch, the first card slot, through-hole and the second card slot.This kind of novel multifunctional teaching ruler is simple in structure, simple operation, functional, it is novel in design, drawing can be caused less accurate to avoid being replaced back and forth in teaching process by the way that compasses and protractor are arranged, accuracy when use is improved, has been saved the plenty of time, while avoiding using traditional compasses and malfunctioning；By the way that the ruler of rotation is arranged, ruler, compasses can be integrated and be folded, convenient for storage, while set square can be adjusted to ruler, to increase the length of ruler, the inadequate of traditional ruler length is avoided, keeps the drafting straight line in teaching more accurate, while being easy to carry about with one after folding.

Description

A kind of novel multifunctional teaching ruler

Technical field

The present invention relates to a kind of teaching ruler, specially a kind of novel multifunctional teaching ruler belongs to teaching stationery technology Field.

Background technology

Stationery includes study stationery and office stationary, gift stationery etc., and it is that stationery is one most heavy to learn stationery The branch wanted, study stationery is broadly divided into students' supplies and realia, currently, various teaching equipments are grown rapidly, ruler is made For a kind of common tool of field of stationery, have the function of in drawing and weighing size it is great, especially in mathematics class or system On figure class, what is used is more frequent.

Present ruler structure and function is all relatively simple, in teaching, in order to draw circle, draws angle, horizontal line etc. is usually It wants a variety of rulers or compasses to be used cooperatively, uses very trouble and not portable, need during use frequently more It changes, wastes time, and ruler, set square, compasses etc. store also more wasteful space, and when use common compasses It is easy error.Therefore, a kind of novel multifunctional teaching ruler is proposed regarding to the issue above.

Invention content

The purpose of the present invention is that solve the above-mentioned problems and provides a kind of novel multifunctional teaching ruler.

The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of novel multifunctional teaching ruler, including third Batten, third batten top are equipped with fixing bolt, and slide-rule dial slot, the third are carved in Article 3 plate surface one end The second card slot is offered in batten, the second card slot side wall is rotatablely connected by the second shaft and the first batten, and described first Batten one end is fixedly connected with stitch, and slide-rule dial slot is carved in first batten bottom end, and first batten top top is remote It is fixedly connected with protractor from stitch one end, the protractor surface offers annular groove, angle is carved on the inside of the protractor Scale slot is spent, offers the first card slot in first batten, the first card slot side wall passes through the first shaft and the second batten Rotation connection, and first shaft and the second shaft are located at the first batten both ends, second batten top, which is fixed, to be connected It is connected to chalk barrel, slide-rule dial slot is carved in Article 2 plate surface one end, and the second batten top end surface offers through-hole, Article 2 board bottom end is fixedly connected with limited block.

Preferably, the length of the stitch is more than the length of chalk barrel.

Preferably, the limited block through annular groove and extends to protractor surface, and the limited block is slided with annular Slot is slidably connected.

Preferably, the third batten length is more than the length of the first batten, and the first batten length is more than Article 2 The length of plate, and first shaft to the first batten and stitch shaft to the second batten top apart from equal.

Preferably, the fixing bolt is connected together with through-hole.

Preferably, the width of second batten and the first batten is respectively smaller than the width of the first card slot and the second card slot.

The beneficial effects of the invention are as follows：

1. this kind of novel multifunctional teaching ruler is simple in structure, simple operation, functional, novel in design, pass through setting Compasses and protractor can to avoid replaced back and forth in teaching process cause to draw it is less accurate, it is accurate when improving use Degree, has been saved the plenty of time, while avoiding using traditional compasses and malfunctioning.

2. by the way that the ruler of rotation is arranged, ruler, compasses can be integrated and be folded, convenient for storage, while can Set square is adjusted to ruler, to increase the length of ruler, the inadequate of traditional ruler length is avoided, is made in teaching It is more accurate to draw straight line, while being easy to carry about with one after folding.

Description of the drawings

Fig. 1 is overall structure of the present invention；

Fig. 2 is overlooking structure diagram after the present invention folds.

In figure：1, slide-rule dial slot, the 2, first batten, the 3, first shaft, 4, angle index slot, 5, protractor, 6, annular Sliding slot, 7, limited block, the 8, second shaft, the 9, second batten, 10, chalk barrel, 11, fixing bolt, 12, third batten, 13, needle Foot, the 14, first card slot, 15, through-hole, the 16, second card slot.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

It please refers to Fig.1 shown in -2, a kind of novel multifunctional teaching ruler, including third batten 12, the third batten 12 Top is equipped with fixing bolt 11, is convenient for fixing, and slide-rule dial slot 1 is carved in 12 surface one end of the third batten, convenient for surveying Span is from offering the second card slot 16,16 side wall of the second card slot passes through the second shaft 8 and first in the third batten 12 Batten 2 is rotatablely connected, and described first batten, 2 one end is fixedly connected with stitch 13, and straight line quarter is carved in 2 bottom end of the first batten Slot 1 is spent, first batten, 2 top top is fixedly connected with protractor 5 far from 13 one end of stitch, is convenient for measurement angle, described 5 surface of protractor offers annular groove 6, and angle index slot 4 is carved in 5 inside of the protractor, convenient for reading measurement angle, institute It states and offers the first card slot 14 in the first batten 2,14 side wall of the first card slot is rotated by the first shaft 3 and the second batten 9 Connection, and first shaft, 3 and second shaft 8 is located at 2 both ends of the first batten, 9 top of the second batten, which is fixed, to be connected It is connected to chalk barrel 10, slide-rule dial slot 1 is carved in second batten, 9 surface one end, and 9 top end surface of the second batten offers Through-hole 15,9 bottom end of the second batten are fixedly connected with limited block 7 convenient for the angle of observation protractor 5.

As a kind of technical optimization scheme of the present invention, the length of the stitch 13 is more than the length of chalk barrel 10, is convenient for It paints after placing chalk in chalk barrel 10.

As a kind of technical optimization scheme of the present invention, the limited block 7 is through annular groove 6 and extends to protractor 5 Surface, and the limited block 7 is slidably connected with annular groove 6, convenient for the angle of observation protractor 5.

As a kind of technical optimization scheme of the present invention, 12 length of third batten is more than the length of the first batten 2, First batten, 2 length is more than the length of the second batten 9, and 3 to the first batten of the first shaft 2 and 13 shaft 3 of stitch To 9 top of the second batten apart from equal, convenient for forming right angle triangle.

As a kind of technical optimization scheme of the present invention, the fixing bolt 11 is connected together with through-hole 15, convenient for fixing Second batten 9 and third batten 12.

As a kind of technical optimization scheme of the present invention, the width of second batten, 9 and first batten 2 is respectively smaller than the The width of one card slot 14 and the second card slot 16, convenient for engaging to the second batten 9 and the first batten 2.

In the use of the present invention, when needing measuring angle, fixing bolt 11 is rotated first, makes the second batten 9 and Article 3 Plate 12 detaches, and is rotated further by third batten 12, when making third batten 12 turn to the second card slot 16 to be located at the first 2 surface of batten, stops Rotation stop is dynamic, is rotated further by the second batten 9, and limited block 7 is made to be moved on 5 surface of protractor, when turning to the second batten 9 and the first batten When angle between 2 is with needing measurement angle consistent, stop operating the second batten 9, the number of degrees of the limited block 7 close to 13 one end of stitch The angle that need to as measure；When needing using compasses, third batten 12 is rotated first, makes third batten 12 and the first batten 2 Vertically, then into chalk barrel 10 it is put into chalk, is rotated further by the second batten 9, when turning to the radius for needing to rotate, be rotated further by again Third batten 12 is rotated, when making third batten 12 turn to the second card slot 16 to be located at the first 2 surface of batten, is then painted, After drawing, the second batten 9 is being rotated, so that the second batten 9 is turned in the first card slot 14 and stores.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (6)

1. a kind of novel multifunctional teaching ruler, including third batten (12), it is characterised in that：Third batten (12) top Equipped with fixing bolt (11), slide-rule dial slot (1) is carved in described third batten (12) surface one end, and the third batten (12) is interior The second card slot (16) is offered, the second card slot (16) side wall is rotatablely connected by the second shaft (8) and the first batten (2), Described first batten (2) one end is fixedly connected with stitch (13), and slide-rule dial slot (1), institute are carved in the first batten (2) bottom end It states the first batten (2) top and is fixedly connected with protractor (5) far from stitch (13) one end, protractor (5) surface offers Annular groove (6), protractor (5) inside are carved with angle index slot (4), the first card are offered in first batten (2) Slot (14), the first card slot (14) side wall is rotatablely connected by the first shaft (3) and the second batten (9), and the first axle Bar (3) and the second shaft (8) are located at the first batten (2) both ends, and the second batten (9) top is fixedly connected with chalk barrel (10), slide-rule dial slot (1) is carved in described second batten (9) surface one end, and the second batten (9) top end surface offers logical Hole (15), the second batten (9) bottom end are fixedly connected with limited block (7).

2. a kind of novel multifunctional teaching ruler according to claim 1, it is characterised in that：The length of the stitch (13) More than the length of chalk barrel (10).

3. a kind of novel multifunctional teaching ruler according to claim 1, it is characterised in that：The limited block (7) is run through Annular groove (6) simultaneously extends to protractor (5) surface, and the limited block (7) is slidably connected with annular groove (6).

4. a kind of novel multifunctional teaching ruler according to claim 1, it is characterised in that：The third batten (12) is long Degree is more than the length of the first batten (2), and the first batten (2) length is more than the length of the second batten (9), and the first axle Bar (3) is to the first batten (2) and stitch (13) shaft (3) to the second batten (9) top apart from equal.

5. a kind of novel multifunctional teaching ruler according to claim 1, it is characterised in that：The fixing bolt (11) with Through-hole (15) is connected together.

6. a kind of novel multifunctional teaching ruler according to claim 1, it is characterised in that：Second batten (9) and The width of first batten (2) is respectively smaller than the width of the first card slot (14) and the second card slot (16).