CN212529155U

CN212529155U - Drawing rule convenient to fix with drawing board and use

Info

Publication number: CN212529155U
Application number: CN202021140014.0U
Authority: CN
Inventors: 赵素梅; 张新义
Original assignee: Dali University
Current assignee: Dali University
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-02-12
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a drawing ruler convenient for being fixed with a drawing board, which comprises a main ruler which is horizontally arranged, wherein both ends of the main ruler are respectively provided with a fixed drawing board caliper and a sliding drawing board caliper which are both vertical to the main ruler and are horizontally arranged downwards; one side of the bottom of the main ruler is cut upwards to form an auxiliary ruler movable groove, the top of the main ruler is cut downwards to form an angle ruler movable groove communicated with the auxiliary ruler movable groove, an angle ruler is connected in the angle ruler movable groove in a sliding mode along the length direction, and the angle ruler extends from the angle ruler movable groove to the auxiliary ruler movable groove and reaches the edge of the main ruler; the center of one side of the angle ruler close to the edge of the main ruler is rotatably connected with an auxiliary ruler, the angle ruler is provided with angle scales which take a connecting point rotating with the auxiliary ruler as a circle center, and the auxiliary ruler penetrates through the angle ruler to be connected with an angle pointer. The utility model discloses be difficult for rocking with the fixed back of drawing board, reduce the number of times of adjustment ruler, possess the function of ruler, set square and angle square simultaneously, need not make a round trip to switch the ruler, improve drawing efficiency.

Description

Drawing rule convenient to fix with drawing board and use

Technical Field

The utility model relates to a drawing tool technical field, in particular to drawing rule convenient to with fixed use of drawing board.

Background

Can use T square and a word chi in engineering drawing often, but T square and a word chi all rock after fixed with the drawing board easily, lead to the position that needs continuous adjustment ruler at the drawing in-process, otherwise will lead to the lines to draw askew. And still need use ruler, set square and angle square and T square cooperation setting-out strip at the drawing in-process, a plurality of rulers make a round trip to switch with the cooperation of T square, and it is inconvenient to use, and drawing efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drawing rule convenient to fix with the drawing board and use is difficult for rocking with the fixed back of drawing board, reduces the number of times of adjustment ruler, possesses the function of ruler, set square and angle square simultaneously, need not make a round trip to switch the ruler, improves drawing efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a drawing ruler convenient to be fixedly used with a drawing board comprises a main ruler which is horizontally arranged, wherein length scales are arranged on one edge of the upper surface of the main ruler along the length direction, two ends of the main ruler are respectively downwards provided with a fixed drawing board caliper and a sliding drawing board caliper which are vertical to the main ruler and are horizontally arranged, and the sliding drawing board caliper slides along the length direction of the main ruler;

one side of the bottom of the main ruler is cut upwards to form an auxiliary ruler movable groove, the top of the main ruler is cut downwards to form a bevel ruler movable groove communicated with the auxiliary ruler movable groove, a bevel ruler is connected in the bevel ruler movable groove in a sliding mode along the length direction, and the bevel ruler extends from the bevel ruler movable groove into the auxiliary ruler movable groove and reaches the edge of the main ruler;

the angle scale is characterized in that the center of one side, close to the edge of the main scale, of the angle scale is rotatably connected with an auxiliary scale, the upper surface of the auxiliary scale is provided with length scales along the length direction, the angle scale is provided with angle scales which take connecting points with the auxiliary scale as circle centers, the auxiliary scale penetrates through the angle scale and is connected with an angle pointer, and the angle pointer is located on the upper surface of the angle scale and coincides with the central line of the auxiliary scale.

Through adopting above-mentioned technical scheme, during the drawing, on putting the drawing board with the device, according to the position of the big or small adjustment slip drawing board slide caliper rule of version, make two drawing board caliper rules block respectively in both ends about the drawing board, simultaneously because the length of main scale is the same with the length of drawing board, make the main scale can regard as the abscissa to transversely place on the drawing board, when needing to draw the straight line, pull out the supplementary drawing straight line of cooperation main scale with vice chi, when rotating vice chi, the angle pointer follows the rotation, can obtain the angle of the straight line of drawing through the scale reading on the angle ruler.

The utility model discloses a further set up to: the angle ruler is provided with a connecting ring at the joint with the auxiliary ruler, the auxiliary ruler is provided with a rotating shaft which penetrates through the connecting ring and is connected with the angle pointer, and the angle pointer, the rotating shaft and the auxiliary ruler are connected approximately in a Z shape.

The utility model discloses a further set up to: the upper surface of the angle ruler far away from one end of the auxiliary ruler is provided with a raised sliding strip, and the upper end of the angle ruler movable groove far away from one side of the auxiliary ruler is provided with a C-shaped sliding rail matched with the raised sliding strip.

The utility model discloses a further set up to: the main scale is arranged in a transparent manner.

Through adopting above-mentioned technical scheme, be convenient for see through the reading of main scale and see the bevel protractor.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, the main scale is fixed with the drawing board through the drawing board calipers on the left side and the right side, so that the main scale can be transversely placed on the drawing board as a horizontal coordinate to assist drawing, the main scale cannot shake left and right when moving up and down, the number of times of adjusting the main scale is reduced, and the drawing efficiency is improved;

and the matching of the secondary ruler and the angle ruler can replace a straight ruler, a set square and a conventional angle measuring ruler, the drawing is performed by matching with the main ruler, the use of the ruler does not need to be switched back and forth, and the drawing efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view for showing the connection relationship of the sub ruler, the angle ruler and the angle indicating hand;

figure 3 is a cross-sectional view of the main scale.

In the figure: 1. a main scale; 21. fixing a drawing board caliper; 22. sliding a chart caliper; 3. a secondary ruler movable groove; 4. a movable groove of the angle ruler; 5. an angle ruler; 51. a connecting ring; 6. a secondary ruler; 61. a rotating shaft; 62. an angle pointer; 71. a raised slider; 72. c type slide rail.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An embodiment, a drawing rule convenient to fix with drawing board and use, refer to fig. 1-3, including being the main scale 1 that the level set up, the length of main scale 1 is the same with the length of drawing board, and one side of main scale 1 upper surface is provided with the length scale along length direction, and the both ends of main scale 1 are provided with respectively downwards and all are perpendicular with it and be a fixed drawing board slide caliper rule 21 and a slip drawing board slide caliper rule 22 that the level set up, and slip drawing board slide caliper rule 22 slides along length direction of main scale 1, runs through slip drawing board slide caliper rule 22 middle part and sets up the spout (the picture is neglected) with main scale 1 sliding connection.

One side of main scale 1 bottom upwards cuts and forms an auxiliary scale movable slot 3, and the top of main scale 1 cuts downwards and forms an angle scale movable slot 4 that is linked together with auxiliary scale movable slot 3, has a rectangular angle scale 5 along length direction sliding connection in the angle scale movable slot 4, and angle scale 5 extends to auxiliary scale movable slot 3 in and reaches the edge of main scale 1 from angle scale movable slot 4.

The center of one side of the angle ruler 5 close to the edge of the main ruler 1 is rotatably connected with a pair of auxiliary rulers 6, the left side and the right side of the upper surface of each auxiliary ruler 6 are respectively provided with a length scale along the length direction, the angle ruler 5 is provided with an angle scale which takes a connecting point rotating with the auxiliary ruler 6 as the circle center, the auxiliary ruler 6 penetrates through the angle ruler 5 and is connected with an angle pointer 62, and the angle pointer 62 is positioned on the upper surface of the angle ruler 5 and the central line of the angle pointer coincides with the central line of the auxiliary ruler 6.

The upper surface of one end of the angle ruler 5, which is far away from the auxiliary ruler 6, is provided with a convex sliding strip 71, and the upper end of one side of the angle ruler movable groove 4, which is far away from the auxiliary ruler 6, is provided with a C-shaped sliding rail 72 matched with the convex sliding strip 71.

The angle ruler 5 is provided with a connecting ring 51 at the joint with the auxiliary ruler 6, the auxiliary ruler 6 is provided with a rotating shaft 61 which passes through the connecting ring 51 and is connected with an angle pointer 62, and the angle pointer 62, the rotating shaft 61 and the auxiliary ruler 6 are connected approximately in a Z shape.

In order to reduce the thickness, the sub-scale 6, the angle scale 5, and the angle indicator 62 are made of a thin metal sheet.

The use method comprises the following steps: during the drawing, on putting the drawing board with the device, according to the position of the big or small adjustment slip drawing board slide caliper rule 22 of version, make two drawing board slide caliper rules block in both ends about the drawing board respectively, simultaneously because the length of main scale 1 is the same with the length of drawing board, make main scale 1 can transversely place on the drawing board as the abscissa, when needing to draw the straight line, pull out the supplementary straight line of drawing of cooperation main scale 1 with vice chi 6, when rotating vice chi 6, angle pointer 62 follows the rotation, can draw the angle of the straight line of drawing through the scale reading on the angle rule 5.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a drawing rule convenient to with fixed use of drawing board, is including main scale (1) that is the level setting, its characterized in that: one edge of the upper surface of the main scale (1) is provided with length scales along the length direction, two ends of the main scale (1) are respectively provided with a fixed chart caliper (21) and a sliding chart caliper (22) which are vertical to the main scale and are horizontally arranged downwards, and the sliding chart caliper (22) slides along the length direction of the main scale (1);

one side of the bottom of the main ruler (1) is cut upwards to form an auxiliary ruler movable groove (3), the top of the main ruler (1) is cut downwards to form an angle ruler movable groove (4) communicated with the auxiliary ruler movable groove (3), an angle ruler (5) is connected in the angle ruler movable groove (4) in a sliding mode along the length direction, and the angle ruler (5) extends into the auxiliary ruler movable groove (3) from the angle ruler movable groove (4) and reaches the edge of the main ruler (1);

angle rule (5) are close to the center on one side at main scale (1) edge rotates and is connected with vice chi (6), the upper surface of vice chi (6) is provided with the length scale along length direction, be provided with on angle rule (5) with the angle scale of vice chi (6) pivoted tie point as the centre of a circle, vice chi (6) pass angle rule (5) are connected with angle pointer (62), angle pointer (62) are located upper surface and the central line of angle rule (5) with the coincidence of the central line of vice chi (6).

2. A drawing rule adapted for fixed use with drawing boards, according to claim 1, wherein: the angle ruler (5) is provided with a connecting ring (51) at the connecting position with the auxiliary ruler (6), the auxiliary ruler (6) is provided with a rotating shaft (61) which penetrates through the connecting ring (51) and is connected with the angle pointer (62), and the angle pointer (62), the rotating shaft (61) and the auxiliary ruler (6) are connected approximately in a Z shape.

3. A drawing rule adapted for fixed use with drawing boards, according to claim 1, wherein: the angle ruler is characterized in that a protruding sliding strip (71) is arranged on the upper surface of one end, far away from the auxiliary ruler (6), of the angle ruler (5), and a C-shaped sliding rail (72) matched with the protruding sliding strip (71) is arranged at the upper end of one side, far away from the auxiliary ruler (6), of the angle ruler movable groove (4).

4. A drawing rule adapted for fixed use with drawing boards, according to claim 1, wherein: the main scale (1) is arranged in a transparent manner.