CN201338476Y

CN201338476Y - Multi-functional ruler

Info

Publication number: CN201338476Y
Application number: CNU2008201315348U
Authority: CN
Inventors: 熊健
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-04
Filing date: 2008-09-04
Publication date: 2009-11-04
Anticipated expiration: 2018-09-04

Abstract

The utility model provides an improved ruler type drawing tool which has the functions of a ruler, compasses, a set square and a protractor. The drawing tool is characterized in that the surface of a ruler which is adjacent to the back is provided with a slot; two reverse-T shaped rotating shafts are arranged in the slot, wherein one rotating shaft is sleeved in a ruler rod while the other rotating shaft is sleeved in a straight rod; a fastening piece is arranged on the straight rod to clamp circle drawing materials such as a lead core, a ball pen and the like so as to perform the function of the compasses; a slide block is sleeved on the straight rod; a set square is formed when the ruler rod is in sliding connection with the top of the straight rod; angles are marked on the ruler, and a protractor is formed when the ruler rod coincides with the angles; and the drawing tool also has a simplified mode that a fastening piece is directly arranged on the ruler to perform the functions of the compasses and the ruler. The drawing tool has simple structure and is portable.

Description

Multifunctional ruler

Technical field

The utility model relates to a kind of improved ruler, belongs to the improvement of the improvement of drawing instrument in the cultural goods, particularly ruler.

Background technology

In the middle of present drawing instrument, each and every one instrumental function is single, is ruler as ruler, does not have other functions concurrently, is using and is carrying and all make troubles; In addition compasses in use manyly when power is big easily slide, and draw that the bowlder yardstick is many can not directly be seen, and the lead for retractable pencil of folder usefulness with other materials is many can not be general, change difficult.

The utility model content

The utility model provides a kind of improved ruler type drawing instrument, has the function of ruler, compasses, set square, protractor, and is simple in structure, easy to carry.

The purpose of this utility model is achieved in that at ruler one end one hollow semi-circular semi-ring cover is set, and pass with center of circle screw, screw bottom, the center of circle is the semi-ring nut, top is the semi-ring nut, the chi back is the T shape chi back of the body, overlap in T shape chi back cover side, cover top, side installs and fixes bolt, the side prolongs two orthodromes that bear symmetry in the cover side, a hole is done at the orthodrome center, and bolt passes circular hole, little circular arc of bolt top welding, draw the roundwood feed collet therein like this, thereby constitute the function of ruler and compasses; For possessing ruler, compasses, set square, protractor four functions, then make a clearance groove at the nearly back of ruler, the clearance groove two ends link to each other with the chi face with connecting plate, two inverted T-shaped slide-bars are arranged on the clearance groove, in order to chi bar and straight-bar to be installed, the inverted T-shaped slide-bar slides in the middle of clearance groove, in the middle of the T shape slide-bar of installation chi bar is hollow, center of circle awl passes in the middle of the T shape slide-bar, vertex of a cone end is provided with handle in the center of circle, T shape slide-bar overcoat axle sleeve, axle sleeve links to each other with the chi bar, the one side of chi bar is carved with vertical face scale, T shape bar is made at chi bar back, cover side's cover on the T shape bar, installation side, cover center, side cover set bolt, prolong two orthodromes that symmetry by side's cover, a hole is done at an orthodrome center therein, and threading, bolt passes circular hole, little circular arc of bolt top welding, the end of chi bar has one section extension rod, overlaps straight-bar on the T shape slide-bar of installation straight-bar, the positive hollow core of T shape slide-bar of cover straight-bar and with the fixing straight-bar of hold-down screw, there is the lower edge projection the nearly chi face of straight-bar lower edge, and the nearly straight-bar end of chi face is carved a holddown groove, at the straight-bar end one skewed slot is arranged, the angle of skewed slot and level is whole by the chi face in order to control, the chi bar, the triangle that the straight-bar three constitutes, scale and angle index are arranged on the chi face, for an angle of 90 degrees, extend to clearance groove by an angle of 90 degrees and form center line in the angle index center.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 looks squarely schematic diagram for two function chis of the present utility model;

Fig. 2 is two function chi schematic top view of the present utility model;

Fig. 3 is two a function chi back of the body sides cover generalized sections;

Fig. 4 is four function chi schematic top view of the present utility model;

Fig. 5 is the schematic side view of straight-bar;

Fig. 6 is the schematic side view of chi bar;

1, two function chis among Fig. 1-Fig. 3; 2, semi-ring cover; 3, scale; 4, center of circle screw; 5, semi-ring nut; 6, semi-ring nut; 7, the T shape chi back of the body; 8, set bolt; 9, side's cover; 10, orthodrome; 11, bolt; 12, little circular arc;

13, four function chis among Fig. 4-Fig. 6; 14, scale; 15, angle index; 16, connecting plate; 17, clearance groove; 18, center of circle awl; 19, T shape slide-bar; 20, axle sleeve; 21, chi bar; 22, straight-bar; 23, skewed slot; 24, chi face; 25, T shape bar; 26, side's cover; 27, side's cover set bolt; 28, orthodrome; 29, bolt; 30, little circular arc; 31, handle; 32, vertical face scale; 33, holddown groove; 34, lower edge projection; 35, hold-down screw; 36, extension rod 37, center line.

The specific embodiment

Make semi-circular and boring formation semi-ring cover (2) at an end of two function chis (1) among Fig. 1, pass with center of circle screw (4), center of circle screw (4) is fixing with semi-ring nut (5) and semi-ring nut (6), do not make it slippage, making semi-circular is to be convenient to when ruler uses, so not oblique when setting level, T shape is also made at the ruler back, promptly form the T shape chi back of the body (7), go up cover side's cover (9) at the T shape chi back of the body (7), center, cover (9) top, side is hollow to install and fix bolt (8), and the side prolongs two orthodromes (10) that bear symmetry in cover (9) side, a hole is done at an orthodrome (10) center therein, for ease of doing hole and cover bolt, this orthodrome center is made flat, and threading, bolt (11) passes circular hole, bolt (a 11) top welding little circular arc (12).

Make a clearance groove (17) at the nearly back of four function chis (13) among Fig. 4, clearance groove (17) two ends link to each other with chi face (24) with connecting plate (16), (17) have two inverted T-shaped slide-bars (19) on the clearance groove, inverted T-shaped slide-bar (19) slides in the middle of clearance groove (17), for ease of sliding and using, T shape slide-bar (19) lower plane is equal with the chi bottom surface, be hollow in the middle of the T shape slide-bar (19) wherein, center of circle awl (18) passes in the middle of the T shape slide-bar (19), center of circle awl (18) is manufactured with general screw, for ease of rotating center of circle awl (18), be provided with handle (31) on awl (18) top, the center of circle, T shape slide-bar (19) overcoat axle sleeve (20), axle sleeve (20) links to each other with chi bar (21), the one side of chi bar (21) is carved with vertical face scale (32), T shape bar (25) is made at chi bar (21) back, T shape bar (25) is gone up cover side's cover (26), side's cover (26) center also is hollow with the side's of installation cover set bolt (27), prolong two orthodromes (28) that symmetry by square cover (26), a hole is done at an orthodrome (28) center therein, and threading, bolt (29) passes circular hole, bolt (a 29) top welding little circular arc (30), another T shape slide-bar (19) is gone up cover straight-bar (22), straight-bar (22) is fixing in order to avoid when rotating or slippage during taking and placing by hold-down screw (35), the nearly chi face (24) of straight-bar (22) has lower edge projection (34), nearly straight-bar (22) end of chi face (24) is carved a holddown groove (33), holddown groove (33) is parallel with zero graduation, and make straight-bar (22) when keeping flat its lower edge projection (34) just in time put into holddown groove (33), make straight-bar (22) and chi face (24) form the right angle, carve skewed slot (23) at the terminal back of the body of straight-bar (22) with miter angle, when using as set square, for ease of using, skewed slot (23) angle of inclination is 45 degree, with 20 centimetres of chis, from straight-bar (22) perpendicular to chi face scale (14) along to skewed slot (23), can be made as 8 centimetres, when the extension rod (36) of chi bar (21) is put into skewed slot (23), put into and hold the chi face along distance about 11.3 (square roots of 128) centimetre, like this by chi face (24), chi bar (21), straight-bar (22) constitutes an isosceles right triangle, scale (14) and angle index (15) are arranged on the chi face (24),, extend to clearance groove by an angle of 90 degrees and form center line (37) for an angle of 90 degrees in angle index (15) center.

Using method is: for two function chis, when making chi, keep flat and get final product, if it is also passable that sensation side's cover (9) in the way, then slips out it, in the time will making compasses, clamping circle tool between orthodrome (10) and little circular arc (12), good scale, fixedly hold-down screw (8) gets final product; For four function chis, in the time will making ruler, place clearance groove (17) middle on chi bar (21) and straight-bar (22), be stuck in the clearance groove (17), whole device is exactly a ruler; In the time will doing the compasses use, then chi bar (21) is pulled out, folder lead for retractable pencil or other pen cores between orthodrome (28) and little circular arc (30), drive fixedly lead for retractable pencil of little circular arc (30) with bolt (29), side's cover (26) slides into the suitable place of vertical face scale (32) of required radius, the side's of tightening cover set bolt (27) gets final product the picture circle then; In the time will doing the set square use, straight-bar (22) is placed in the holddown groove (33), again the terminal extension rod of chi bar (21) (36) is put into straight-bar (22) and gone up skewed slot (23), just constituted a set square by straight-bar (22) and chi face (24), chi bar (21) three; When the use that will do protractor, chi bar (21) slides to center line (37), and then the aequum angle is indicated by the angle and the angle index (15) of four function chis (13) and chi bar (21).

Claims

1, a kind of multifunctional ruler, comprise two function chis (1) and four function chis (13), it is characterized in that: the end at two function chis (1) has semi-circular semi-ring cover (2), and pass with center of circle screw (4), center of circle screw (4) bottom is semi-ring nut (5), top is semi-ring nut (6), the chi back is the T shape chi back of the body (7), go up cover side's cover (9) at the T shape chi back of the body (7), cover (9) top, side installs and fixes bolt (8), and the side prolongs two orthodromes (10) that bear symmetry in cover (9) side, and a hole is done at orthodrome (10) center, bolt (11) passes circular hole, bolt (a 11) top welding little circular arc (12); Make a clearance groove (17) at the nearly back of four function chis (13), clearance groove (17) two ends link to each other with four function chis (13) with connecting plate (16), (17) have two inverted T-shaped slide-bars (19) on the clearance groove, inverted T-shaped slide-bar (19) slides in the middle of clearance groove (17), be hollow in the middle of the T shape slide-bar (19) wherein, center of circle awl (18) passes in the middle of the T shape slide-bar (19), be provided with handle (31) on awl (18) top, the center of circle, T shape slide-bar (19) overcoat axle sleeve (20), axle sleeve (20) links to each other with chi bar (21), the one side of chi bar (21) is carved with vertical face scale (32), T shape bar (25) is made at chi bar (21) back, T shape bar (25) is gone up cover side's cover (26), installation side, side's cover (26) center cover set bolt (27), prolong two orthodromes (28) that symmetry by square cover (26), a hole is done at an orthodrome (28) center therein, and threading, bolt (29) passes circular hole, bolt (a 29) top welding little circular arc (30), the end of chi bar (21) has one section extension rod (36), another T shape slide-bar (19) is gone up cover straight-bar (22), the positive hollow core of the T shape slide-bar (19) of cover straight-bar (22) and with the fixing straight-bar (22) of hold-down screw (35), there is lower edge projection (34) the nearly chi face lower edge of straight-bar (22), nearly straight-bar (22) end of chi face (24) is carved a holddown groove (33), at straight-bar (22) end one skewed slot (23) is arranged, scale (14) and angle index (15) are arranged on the chi face (24),, extend to clearance groove by an angle of 90 degrees and form center line (37) for an angle of 90 degrees in angle index (15) center.

2, multifunctional ruler according to claim 1 is characterized in that: skewed slot (23) is degree angle, 30 degree angle to 60 with the slanted angle of horizontal plane.