CN201061964Y - Multifunctional combined teaching aid - Google Patents

Abstract

The utility model discloses a many function combination teaching aid. This kind of many function combination teaching aid, bolt 5 passes ruler 1, ruler 2, the hole on protractor 3 and tape measure 4 is screwed together by nut 6, contained angle size accessible elasticity nut 6 between ruler 1 and ruler 2 is adjusted and is fixed, ruler 1 and ruler 2's front end respectively sets up a cylinder clamp 7, 8, one of them cylinder clamp presss from both sides chalk or other pens, the rule awl of another cylinder clamp compasses, the border of ruler 1 and ruler 2 is equipped with the length scale, seted up hole groove 9 on ruler 1's the top surface, its inside callipers are equipped with one row of slidable pen clip 10, the pen clip is established chalk or other pens in these pen clips 10, adjust the distance between the pen clip as required, can make the parallel line that the width is not uniform. The utility model discloses can realize drawing straight line, parallel line, circle, circular arc, measure the angle, measure multiple functions such as length, blackboard and write to compact structure, light and handy, easily carry convenient to use.

Description

Multi-functional combined appliance for teaching

Technical field

The utility model relates to a kind of stationery.

Background technology

Existing teaching aid, mostly be to separate separately as ruler, compasses, protractor, blackboard eraser etc., a teaching class often will use multiple teaching aid, the teacher haves no alternative but once to embrace a lot of teaching aids to the classroom, to go up many classes in one day, must embrace repeatedly to embrace between office and classroom to go, both heaviness was also inconvenient.

Summary of the invention

The purpose of this utility model be to provide multiple teaching aids such as a kind of ruler, compasses, protractor, blackboard eraser and tape measure combine not only lightly, but also the convenient multi-functional teaching aid that uses.

Technical solution adopted in the utility model is, this multi-functional combined appliance for teaching, the hole that bolt passes on ruler, protractor and the tape measure lumps together by nut is stubborn, the front end of two rulers respectively is provided with cylinder folder, its chi limit is provided with the length scale, offer hole slot on the end face of last ruler, be arranged with slidably pen clip in it.

Kind

Owing to taked technique scheme, so the utility model can be realized picture straight line, parallel lines, circle, circular arc, the tolerance angle, multiple function such as measure length, erase the board and write, and compact conformation, lightly are easy to carry about with one, and be easy to use.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the utility model stereoscopic schematic diagram;

Fig. 2 is the structural representation of the utility model ruler 1 and pen clip 10.

The specific embodiment

Embodiment 1, as Fig. 1, shown in Figure 2, this multi-functional combined appliance for teaching, bolt 5 passes ruler 1, ruler 2, hole on protractor 3 and the tape measure 4 is twisted by nut 6 and is lumped together, corner dimension between ruler 1 and the ruler 2 can be by degree of tightness nut 6 adjustings and fixing, the front end of ruler 1 and ruler 2 respectively is provided with cylinder folder 7,8, one of them cylinder folder folder chalk or other pen, the rule awl of another cylinder folder folder compasses, the edge of ruler 1 and ruler 2 is provided with the length scale, offer hole slot 9 on the end face of ruler 1, be arranged with one in it and arrange slidably pen clip 10, folder is established chalk or other pen in these pen clips 10, regulates the distance between pen clip as required, can make the parallel lines that width differs.

Embodiment 2, as embodiment 1 described a kind of multi-functional combined appliance for teaching, offer a hole slot 11 in the bottom surface of ruler 2, card is established blackboard eraser 12 and cylinder folder 8 within it, offer groove 13 in the side of ruler 2, card is established formula table 14 and rotating shaft 15 thereof in it, side is established the manual commentaries on classics Handcuffs 16 of rotating shaft 15, can list some mathematical formulae or other formula commonly used on the formula table 14, when the need time spent pinches the formula table edge and pulls out, the time spent rotation manual is not changeed and to be turned round 16 and roll and get final product, and offers arc slotted eye 17 on the protractor 3, is fixed in card on the ruler 1 and turns round 18 and be arranged in the arc slotted eye 17.

Claims (2)

1. A multifunctional combined teaching aid, characterized in that: bolts (5) pass through the holes on the ruler (1), ruler (2), protractor (3) and tape measure (4) and are screwed together by nuts (6) Together, the front ends of the ruler (1) and the ruler (2) are respectively provided with a cylindrical clamp (7), (8), the ruler edge is provided with a length scale, and the top surface of the ruler (1) is provided with a hole (9), the inner card is provided with a row of slidable pen holders (10). 2. A kind of multifunctional combined teaching aid according to claim 1, characterized in that: a hole (11) is provided on the bottom surface of the ruler (2), and a blackboard eraser (12) and a cylinder clip (12) are clamped therein. 8), a groove (13) is provided on the side of the ruler (2), and a formula table (14) and its rotating shaft (15) are clamped in it, and the manual turning shaft (16) of the rotating shaft (15) is established on the side, and the protractor (3) is provided with an arc slot hole (17), and the buckle (18) fixed on the ruler (1) is clamped in the arc slot hole (17).

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