CN201845457U - Multifunctional ellipsograph - Google Patents

Abstract

The utility model belongs to a multifunctional ellipsograph which is very convenient and widely used in education and teaching, building industry, ship building, mechanical manufacturing and other industries, and comprises a protractor (1), a right handle (2), a left handle (5), a vernier clip f2 (6), an ellipse drawing line (7), a vernier clip f1 (8) and a connecting plate (11), wherein the protractor (1) is fixed at the upper part of the left handle (5); the upper part of the right handle (2) is connected with the upper part of the left handle (5) by the connecting plate (11); the right handle (2) can be unfolded towards the right upper part; the two ends of the ellipse drawing line (7) are connected with the vernier clip f2 (6) and the vernier clip f1 (8); and the distance between the vernier clip f2 (6) and the vernier clip f1 (8) can be adjusted, so that the size of the ellipse can be decided. The multifunctional ellipsograph has the advantages of simple structure, low cost and high efficiency; in addition, the multifunctional ellipsograph is convenient to use and carry.

Description

Multi-functional with compasses

Technical field

The utility model belongs to education and instruction, building industry, shipbuilding, machine-building, military affairs, and all trades and professions are widely used a kind of multi-functional very easily with compasses.

Background technology

The employed drawing line tool of industry impart knowledge to students now nothing more than ruler, angle square, angle square, compasses are with compasses, if ruler can only be drawn straight line; Angle square can only be made vertical line; Angle square can only be determined angle; Compasses can only be justified, though some comprehensive drawing line tools are also arranged, also want uses that cooperatively interact of several instruments, and indispensable, the while is bringing very inconvenient with several instruments to student, teacher and every profession and trade user.

The utility model content

The purpose of this utility model is above-mentioned deficiency of the prior art and provides a kind of simple in structure, and is easy to carry, the accuracy height, and cost is low, be fit to the multi-functional with compasses of various demands.

The purpose of this utility model can reach by following measure, and it includes the utility model: protractor (1), advise right handle (2), and chalk holder (3), stitch (4) is advised left handle (5), f ₂Trip folder (6) is drawn with circle line (7), f ₁Trip folder (8), web joint (11); Protractor (1) is fixed on rule right handle (5) top, advising right handle (2) top links together by web joint (11) with rule left handle (5) top, advising right handle (2) is can be to upper right expansion, but it does not connect protractor (1), advise right handle (2) lower end chalk holder (3) is installed, stitch (4) is installed in rule left handle (5) lower end, and protractor (1) is gone up design f ₂Trip folder (6) and f ₁Trip folder (8) is drawn with circle line (7) two ends and is connected to f ₂Trip folder (6) and f ₁Trip folder (8), adjustable f ₂Trip folder (6) and f ₁Trip folder (8) is formulated the size of oblong apart.

The utility model is simple in structure, and cost is low, the efficient height, uses advantage easy to carry.

Description of drawings

Fig. 1 is the utility model front schematic view

Fig. 2 is the protractor synoptic diagram

Fig. 3 is a stem back synoptic diagram

Embodiment

The utility model will be further described below in conjunction with accompanying drawing: as Fig. 1,2, shown in 3, protractor (1) is fixed on rule left handle (5) top, protractor (1) basic structure is the same with common protractor, carve from 0 ° to 180 ° the number of degrees on the curcumbitate surface, a design ruler (10) on the left side, advising right handle (2) top links together with screw (12) with the double circular hole of rule left handle (5) top by web joint (11), it is identical with rule left handle (5) length to advise right handle (2), the length metering numeral is arranged above, can be used as ruler, advising right handle (2) is can be to upper right expansion, but it does not connect protractor (1), advise right handle (2) lower end and be installed in chalk holder (3), chalk holder (3) is the same with common compasses chalk holder, can use chalk when using on the blackboard, the time spent can be adorned little pencil on the paper stock, stitch (4) is installed in rule left handle (5) lower end, and stitch (4) is the same with common compasses stitch, draws with circle line (7) two ends and is connected to f ₂Trip folder (6) and f ₁Trip folder (8), adjustable f ₂Trip folder (6) and f ₁Trip folder (8) is formulated the size of oblong apart.

As shown in Figure 3, a trip of design clip slot (9) on protractor (1) left side, its length is swum the f of design in the clip slot (9) less than ruler (10) size ₂Trip folder (6) and f ₁Trip folder (8) is movable, and drawing with circle line (7) is the flexible stretchability of not having.

Claims (2)

1. One kind multi-functional with compasses, it includes protractor (1), advises right handle (2), advises left handle (5), f ₂Trip folder (6) is drawn with circle line (7), f ₁Trip folder (8), web joint (11), screw (12); It is characterized in that: protractor (1) is fixed on rule left handle (5) top, advising right handle (2) top links together with screw (12) with the double circular hole of rule left handle (5) top by web joint (11), advising right handle (2) is to draw with circle line (7) two ends and to be connected to f to upper right expansion ₂Trip folder (6) and f ₁Trip folder (8).
2. 2. according to claim 1 multi-functional with compasses, it is characterized in that: a trip of design clip slot (9) on protractor (1) left side, its length is less than ruler (10) size, and it is flexible drawing with circle line (7), the f of design in the adjustable trip clip slot (9) ₂Trip folder (6) and f ₁Trip folder (8) is formulated the size of oblong apart.

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