CN112729040A

CN112729040A - Angle ruler

Info

Publication number: CN112729040A
Application number: CN202110069392.7A
Authority: CN
Inventors: 余光明; 谢来益
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-04-30

Abstract

The utility model provides an angle ruler, includes fixed limit, fixed subassembly, counterpoint piece and chi main part, the counterpoint piece is installed in fixed edge, the chi main part is installed in fixed edge through fixed subassembly, the chi main part can rotate on fixed edge to carry out angular adjustment, be equipped with the positioning clearance on the fixed limit, the counterpoint piece adopts transparent material to make, is equipped with the counterpoint line of a dark color on the counterpoint piece, the chi main part includes ruler portion and angle square portion, the bottom edge of ruler portion is connected with the top edge of angle square portion, be equipped with the scale mark that is used for instructing the contained angle size and be used for instructing the digital mark of scale interval on the angle square portion, when the counterpoint line of counterpoint piece aligns with the 0 degree scale mark of angle square portion, the bottom surface on fixed limit is laminated with the upside edge of ruler portion mutually. The invention effectively improves the drawing and processing precision, has strong practicability and has stronger popularization significance.

Description

Angle ruler

Technical Field

The invention relates to measuring and drawing equipment, in particular to an angle ruler.

Background

The angle ruler is an indispensable tool in the industrial field, but at present, no matter China or Japan manufacture, because the angle of the current angle ruler is measured by two lines which are separately aligned by eyes, and the alignment lines are seen from different angles, the angle deviation is easily caused, so each master can tell you that the angle tolerance is between 0.02 and 0.05.

When the traditional angle ruler is used for drawing equal angles, the front and back or left and right equal angles must be adjusted twice, for example, an angle is adjusted first to draw a left angle, then the angle ruler is adjusted in reverse to draw the right angle, and the opposite angle is possibly unequal due to the tolerance described above, so that the angle deviation in subsequent processing is caused, and the processing precision is influenced.

Disclosure of Invention

In view of the above, it is necessary to provide an angle ruler to overcome the disadvantages of the prior art.

The utility model provides an angle ruler, includes fixed limit, fixed subassembly, counterpoint piece and chi main part, the counterpoint piece is installed in fixed edge, the chi main part is installed in fixed edge through fixed subassembly, the chi main part can rotate on fixed edge to carry out angular adjustment, be equipped with the positioning clearance on the fixed limit, the material of counterpoint piece is transparent material, is equipped with the counterpoint line of a dark color on the counterpoint piece, the chi main part includes ruler portion and angle ruler portion, the bottom edge of ruler portion is connected with the top edge of angle ruler portion, be equipped with the scale mark that is used for instructing the contained angle size and be used for instructing the digital mark of scale interval on the angle ruler portion, when the counterpoint line of counterpoint piece aligns with the scale mark of 0 degree of angle ruler portion, the bottom surface on fixed limit is laminated with the upside edge of ruler portion mutually.

Furthermore, the front side of the fixed edge is also provided with a mounting hole, the mounting hole is communicated with the positioning gap, and the alignment piece is arranged in the mounting hole.

Further, the positioning gap penetrates through the upper end face and the lower end face of the fixing edge in the vertical direction, and the positioning gap extends to the end face of one side of the fixing edge in the horizontal direction.

Furthermore, the fixing edge is provided with a fixing hole which penetrates through the front and the back, the fixing hole penetrates through the positioning gap, the angle square part is provided with a center hole, the fixing assembly comprises a locking nut, a locking screw rod and a gasket, the gasket of the fixing assembly is arranged on two sides of the angle square part, the angle square part and the gasket are clamped between the positioning gaps of the fixing edge, and the locking screw rod penetrates through the fixing hole of the fixing edge, the gasket and the center hole of the angle square part.

Further, the center of the hole opening of the central hole is on the same horizontal line with the 0-degree scale mark of the angle square part; and an extension line corresponding to the scale mark of 90 degrees of the angle scale part passes through the center of the hole of the central hole.

Furthermore, the ruler part is provided with scale marks for indicating the length of the straight line and digital marks for indicating scale values.

Furthermore, the straight rule part is also provided with a plurality of guide round holes which are distributed side by side.

Furthermore, the orifice of the round guide hole is arranged in an inverted triangle shape.

Further, the central axis of the hole of the pilot hole is aligned with one of the scale marks of the ruler part.

Furthermore, a plurality of pairs of positioning points are arranged on the angle square part, and an extension line formed by the center of the central hole and each pair of positioning points is aligned with a scale mark on the angle square part.

The invention has the beneficial effects that: through setting up fixed subassembly, counterpoint piece and chi main part, the chi main part can rotate on fixed edge to carry out angular adjustment, when carrying out angle drawing such as, the contained angle between fixed limit and the chi main part is fixed, makes it in follow-up contained angle drawing in-process, accomplishes between fixed limit and the chi main part, need not to carry out angular adjustment again, and the angle is unanimous around the realization, effectively improves the precision of drawing and processing, and the practicality is strong, has stronger popularization meaning.

Drawings

FIG. 1 is a front view of the inventive goniometer;

FIG. 2 is a schematic view of the angle ruler of FIG. 1 during angle drawing;

FIG. 3 is a perspective view of the bevel rule shown in FIG. 1;

fig. 4 is a rear view of the angle ruler shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 4, the present invention provides an angle ruler, which includes a fixing edge 20, a fixing component, an alignment member 30 and a ruler main body 10, wherein the alignment member 30 is mounted on the fixing edge 20, the ruler main body 10 is mounted on the fixing edge 20 via the fixing component, and the ruler main body 10 can rotate on the fixing edge 20 for angle adjustment.

Fixed limit 20 wholly is the rectangle setting, be equipped with positioning gap 21 on the fixed limit 20 to positioning gap 21 runs through the upper and lower terminal surface on fixed limit 20 in vertical direction, and positioning gap 21 extends to the terminal surface on one side of the fixed limit 20 in the horizontal direction, the fixed orifices that runs through around being equipped with on the fixed limit 20 to the fixed orifices passes positioning gap 21. The front side of the fixing edge 20 is further provided with a mounting hole, the mounting hole is communicated with the positioning gap 21, the alignment piece 30 is arranged in the mounting hole, the alignment piece 30 is made of transparent materials, a user can observe the part of the ruler main body 10 corresponding to the alignment piece 30 through the alignment piece 30, and the alignment piece 30 is provided with a dark alignment line 31.

The ruler main body 10 comprises a ruler part 11 and an angle ruler part 12, the bottom edge of the angle ruler part 12 is connected with the top edge of the ruler part 11, and the ruler part 11 is provided with scale marks 111 for indicating the length of a straight line and digital marks 112 for indicating scale values. The angle ruler part 12 is provided with scale marks 121 for indicating the size of the included angle and digital marks 122 (0-180 degrees) for indicating scale values. The angle square part 12 is provided with a central hole, and the center of the hole of the central hole and the 0-degree scale mark of the angle square part 12 are on the same horizontal line. And an extension line corresponding to the 90-degree scale line of the angle rule part 12 passes through the orifice center of the central hole.

The fixing component comprises a locking nut 42, a locking screw rod 41 and a gasket, the gasket of the fixing component is arranged on two sides of the angle ruler part 12, the angle ruler part 12 and the gasket are clamped between the positioning gaps 21 of the fixing edge 20, the locking screw rod 41 penetrates through a fixing hole of the fixing edge 20, the gasket and a central hole of the angle ruler part 12, the locking nut 42 is fixedly connected with the end part of the locking screw rod 41 in a threaded manner so as to extrude the ruler main body 10 to be tightly matched, and the ruler main body 10 cannot rotate freely. The ruler body 10 is rotated so that the alignment line 31 of the alignment member 30 is aligned with the 0-degree scale line of the square portion 12, and at this time, the bottom surface of the fixed side 20 is brought into contact with the upper edge of the straight portion 11.

If two included angles a with equal angles need to be drawn, the fixing edge 20 or the ruler main body 10 is rotated to align the alignment line 31 on the alignment member 30 with the scale mark 121 corresponding to the angle ruler part 12, the locking nut 42 is tightened, the included angle B formed by the fixing edge 20 and the straight ruler part 11 is the included angle a, and after a first included angle is drawn on the workpiece, the fixing edge 20 or the ruler main body 10 is not adjusted to be rotated, and then the second included angle is drawn.

In addition, a plurality of circular guide holes 113 are further formed in the ruler portion 11, the circular guide holes 113 are distributed in parallel, the openings of the circular guide holes 113 are arranged in an inverted triangle, and the central axis of the opening of the circular guide hole 113 is aligned with one of the scale marks 111. When in use, a user can draw an arc line by taking the locking screw as an axis and the corner of the opening of the round guide hole 113 as an end point.

Preferably, the square portion 12 is further provided with a plurality of pairs of positioning points 123, an extension line formed by the center of the central hole and each pair of positioning points 123 is aligned with one scale mark 121 on the square portion 12, in this embodiment, the positioning points 123 are divided into two groups, and the two groups of positioning points 123 are alternately arranged along the arc direction of the square portion 12. In order to further ensure the measurement accuracy, the angle is determined to be the desired angle only when the alignment line 31 on the alignment member 30 is simultaneously aligned with the scale mark 121 and the alignment point 123 on the angle scale portion 12.

The invention has the beneficial effects that: through setting up fixed subassembly, counterpoint piece 30 and chi main part 10, chi main part 10 can rotate on fixed limit 20 to carry out angular adjustment, when waiting angle drawing, fix the contained angle between fixed limit 20 and the chi main part 10, make it accomplish between fixed limit 20 and the chi main part 10 at follow-up contained angle in-process of drawing, need not to carry out angular adjustment again, the angle is unanimous around the realization, effectively improve the precision of drawing and processing, therefore, the clothes hanger is strong in practicability, and has stronger popularization meaning.

The above-mentioned embodiments only express one embodiment of the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the invention. Therefore, the protection scope of the invention patent should be subject to the appended claims.

Claims

1. The utility model provides an angle ruler, its characterized in that, includes fixed limit, fixed subassembly, counterpoint piece and chi main part, the counterpoint piece is installed in fixed edge, the chi main part is installed in fixed edge through fixed subassembly, the chi main part can rotate on fixed edge to carry out angular adjustment, be equipped with the positioning clearance on the fixed limit, the material of counterpoint piece is transparent material, is equipped with the counterpoint line of a dark color on the counterpoint piece, the chi main part includes ruler portion and angle square portion, the bottom edge of ruler portion is connected with the top edge of angle square portion, be equipped with the scale mark that is used for instructing the contained angle size and be used for instructing the digital mark of scale value in the angle square portion, when the counterpoint line of counterpoint piece aligns with the scale mark of 0 degree of angle square portion, the bottom surface on fixed limit is laminated with the upside edge of ruler portion mutually.

2. The angle ruler of claim 1, wherein: the front side of the fixed edge is also provided with a mounting hole, the mounting hole is communicated with the positioning gap, and the alignment piece is arranged in the mounting hole.

3. The angle ruler of claim 1, wherein: the positioning gap penetrates through the upper end face and the lower end face of the fixed edge in the vertical direction, and the positioning gap extends to the end face of one side of the fixed edge in the horizontal direction.

4. The angle ruler of claim 1, wherein: the angle square fixing device is characterized in that a fixing hole which penetrates through the fixing edge in the front and back direction is formed in the fixing edge, the fixing hole penetrates through the positioning gap, a center hole is formed in the angle square portion, the fixing assembly comprises a locking nut, a locking screw and a gasket, the gasket of the fixing assembly is arranged on two sides of the angle square portion, the angle square portion and the gasket are clamped between the positioning gaps of the fixing edge, and the locking screw penetrates through the fixing hole of the fixing edge, the gasket and the center hole of the angle square portion.

5. The angle ruler of claim 4, wherein: the angle ruler part is also provided with a plurality of pairs of positioning points, and an extension line formed by the center hole of the central hole and each pair of positioning points is aligned with a scale mark on the angle ruler part.

6. The angle ruler of claim 4, wherein: the center of the hole opening of the central hole is on the same horizontal line with the 0-degree scale mark of the angle square part; and an extension line corresponding to the scale mark of 90 degrees of the angle scale part passes through the center of the hole of the central hole.

7. The angle ruler of claim 1, wherein: and the ruler part is provided with scale marks for indicating the length of the straight line and digital marks for indicating scale values.

8. The angle ruler of claim 1, wherein: the ruler part is also provided with a plurality of guide round holes which are distributed side by side.

9. The angle ruler of claim 8, wherein: the orifice of the guide round hole is arranged in an inverted triangle shape.

10. The angle ruler of claim 8, wherein: the central axis of the hole of the circular guide hole is aligned with one of the scale marks of the ruler part.