CN201231627Y - Ruler - Google Patents

Abstract

The utility model discloses a ruler which comprises a main ruler, an auxiliary ruler and an angle ruler; the main ruler is rotationally connected with one end of the auxiliary ruler through a fixed shaft; the ruler is characterized in that the angle ruler and the fixed shaft are fixed between the main ruler and the auxiliary ruler concentrically; a rotary ruler is arranged between the main ruler and the auxiliary ruler; guide rails are arranged on the main ruler and the rotary ruler; the rotary ruler is connected with the main ruler in a sliding way through a wheel shaft. The ruler has the advantages that the design structure is simple; the application is convenient; the rulers are all provided with calibrations to facilitate dimensioning; the main ruler, auxiliary ruler and the angle ruler can be combined to draw different angles; meanwhile, circular patterns or corrugated lines in different sizes can be arranged on the auxiliary ruler to satisfy the drawing requirements so that the ruler has multiple purposes.

Description

A kind of ruler

Technical field

The utility model relates to a kind of ruler, a kind of specifically drawing instrument that changes the ruler combination.

Background technology

Present drawing instrument is more single, multiple tool combinations need be used when graphing, will need to use multiple instrument like this, as ruler, bevel protractor, linear chi or the like, carry inconvenience very, so we need a kind of ruler that can make up the multiple figure of drafting.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of ruler, can draw different figures by combination.

For addressing the above problem, the utility model by the following technical solutions:

A kind of ruler, comprise main scale, secondary chi and bevel protractor, one end of described main scale and secondary chi is rotationally connected by fixed axis, it is characterized in that: described bevel protractor is fixed between main scale and the secondary chi with fixed axis is concentric, be provided with rotary ruler between described main scale and the secondary chi, described main scale and rotary ruler are provided with guide rail, and described rotary ruler is slidingly connected by wheel shaft and main scale.

Below be further improvement of these options:

Described wheel shaft is an I shape, and both ends are arranged on respectively in the guide rail on main scale and the rotary ruler.

Described rotary ruler is provided with scale.

The utility model project organization is simple, easy to use, scale is all arranged on each ruler, conveniently be used for dimensioning, can pass through the combination of main scale, secondary chi and bevel protractor, utilize a ruler to draw different angles, the circular pattern or the waveform lines of different sizes also can be set on secondary chi simultaneously, and convenient needs of drawing make a concrete multiple use of ruler.

The utility model is described in further detail below in conjunction with drawings and Examples:

Description of drawings

Structural representation when accompanying drawing 1 is the utility model embodiment closure;

Accompanying drawing 2 is the vertical view of Fig. 1;

Structural representation when accompanying drawing 3 is opened for the utility model embodiment;

Accompanying drawing 4 is the A-A cross sectional view;

Accompanying drawing 5 is the cutaway view of wheel shaft.

The specific embodiment

Embodiment, as shown in Figure 1, a kind of ruler, comprise main scale 1, secondary chi 2 and bevel protractor 4, main scale 1 is rotationally connected by fixed axis 7 with an end of secondary chi 2, as Fig. 2, shown in Figure 3, bevel protractor 4 and fixed axis 7 concentric being fixed between main scale 1 and the secondary chi 2, be provided with rotary ruler 3 between main scale 1 and the secondary chi 2, as shown in Figure 4, main scale 1 is provided with guide rail 5 with rotary ruler 3, guide rail 8, rotary ruler 3 is slidingly connected by wheel shaft 6 and main scale 1, as shown in Figure 5, wheel shaft 6 is an I shape, and both ends are arranged on 5 on main scale 1 and the rotary ruler 3 respectively, in the guide rail 8, rotary ruler 3 is provided with scale, different scales can be set, as inch etc. on different rulers.

Claims (3)

1, a kind of ruler, comprise main scale (1), secondary chi (2) and bevel protractor (4), described main scale (1) is rotationally connected by fixed axis (7) with an end of secondary chi (2), it is characterized in that: described bevel protractor (4) is fixed between main scale (1) and the secondary chi (2) with fixed axis (7) is concentric, be provided with rotary ruler (3) between described main scale (1) and the secondary chi (2), described main scale (1) is provided with guide rail (5,8) with rotary ruler (3), and described rotary ruler (3) is slidingly connected by wheel shaft (6) and main scale (1).

2, a kind of ruler according to claim 1 is characterized in that: described wheel shaft (6) is an I shape, and both ends are arranged on respectively in the guide rail (5,8) on main scale (1) and the rotary ruler (3).

3, a kind of ruler according to claim 2 is characterized in that: described rotary ruler (3) is provided with scale.

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