CN202319574U - Multifunctional compasses - Google Patents

Abstract

The utility model discloses a pair of multifunctional compasses, which comprises two compass legs (1) and (2) with length scales and a countersunk locking device (3), wherein the compass leg (1) is a concave sinking slot; the compass leg (2) is a convex insert block, and the two are connected through the countersunk locking device (3); and angle scales and a pointer (4) are arranged at the connection ends of the two compass legs respectively. The pair of multifunctional compasses disclosed by the utility model realizes multiple functions by one tool, is convenient and practical, and saves time and labor.

Description

A kind of multifunctional compass

Technical field

The utility model relates to a kind of compasses, relates in particular to a kind of multifunctional compass.

Background technology

In daily teaching, production; The manual drawing drawing need be by multiple instrument, and protractor, compasses, ruler, drawing square etc. are when particularly teacher imparts knowledge to students; Must use these instruments that the student is carried out drawing teaching; Bring all drawing instruments, and these drawing instruments generally all have bigger volume, cause carrying inconvenience; School or production unit need be bought multiple instrument, have increased production cost.

In the existing drawing tool, draw circle and must use compasses, as need bowlder with certain angle of picture, existing compasses must cooperate ruler, protractor just can finish the work, and have promptly wasted the time, have also expended manpower.

In existing production and the daily teaching, need a kind of convenient and practical drawing instrument, can accomplish the drawing work that above-mentioned multiple instrument could be accomplished, but not appear in the newspapers in the prior art.

Summary of the invention

The purpose of the utility model is in order to address the above problem, a kind of multifunctional compass to be provided, and can accomplish the manual drawing work that a plurality of instruments could be accomplished with this instrument, and convenient and swift, the time and labour saving.

In order to achieve the above object, the technological means of the utility model employing is:

A kind of multifunctional compass comprises two compass foot and countersunk head locking devices that are provided with the length scale; One of said compass foot is the spill deep gouge, and another is the convex abaculus, connects through the countersunk head locking device; At the link of two compass foots, one is provided with angle index, and one is provided with pointer.

The beneficial effect of the utility model is: can be used as ruler for single compass foot when perhaps two compass foots draw back into level and use; Spill deep gouge of compass foot, a convex abaculus, guaranteed compasses can free folding at 0 to 180 degree, the countersunk head locking device is used for fixing on certain angle and don't influences other functions; Angle index and pointer in the setting of compass foot link can be measured or draw arbitrarily angled; The multiple function of instrument, convenient and practical, the time and labour saving.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the front view of the utility model;

Fig. 2 is the left view of the utility model.

The specific embodiment

Like Fig. 1, shown in 2, a kind of multifunctional compass comprises two compass foots 1 that are provided with the length scale and 2 and countersunk head locking device 3; Said compass foot 1 is the spill deep gouge, and compass foot 2 is the convex abaculus, connects through countersunk head locking device 3; Compass foot 1 is provided with round pin fixed cover 5 and round pin 6, and compass foot 2 is provided with drawing pen fixed cover 7 and drawing pen clip 8 and drawing pen 9, and drawing pen clip 8 is used to clamp drawing pen 9; Simultaneous graphic system pen clip 8 can also be used to prolong the use length of drawing pen 9; When for example drawing pen is pencil-lead or chalk, be installed on the drawing pen fixed cover 7 with crossing drawing pen clip 8, the clip of opening drawing pen clip 8 is the length that scalable drawing pen 9 stretches out; Even make drawing pen 9 short, also be unlikely to waste; At the link of two compass foots, compass foot 1 is provided with angle index, and compass foot 2 is provided with pointer 4.

During use, can be used as multiple instrument

Ruler: can utilize a compass foot or pull into 180 degree to two compass foots to get final product;

Compasses: with a compass foot is that central point can be drawn any circle;

Protractor: overlap the angle value of reading pointer 4 scale representatives pointed with two angles of surveyed pin with two compass foot interior lines;

Square or freely draw angle square: compass foot is drawn back,, promptly can be used as square and use,, only need draw back compass foot and make pointer 4 sensings need the angle of picture to get final product in like manner for arbitrarily angled when pointer 4 points to 90 when spending.

Claims (3)

1. a multifunctional compass is characterized in that: comprise two compass foot (1) and (2) and countersunk head locking devices (3) that are provided with the length scale; Said compass foot (1) is the spill deep gouge, and compass foot (2) is the convex abaculus, connects through countersunk head locking device (3); At the link of two compass foots, one is provided with angle index, and one is provided with pointer (4).

2. multifunctional compass according to claim 1 is characterized in that: said compass foot (1) is provided with round pin fixed cover (5) and round pin (6).

3. multifunctional compass according to claim 1 is characterized in that: said compass foot (2) is provided with drawing pen fixed cover (7) and drawing pen clip (8) and drawing pen (9).

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