CN210174481U

CN210174481U - Ruler

Info

Publication number: CN210174481U
Application number: CN201920947277.3U
Authority: CN
Inventors: Xiaona Dou; 豆小娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-22
Filing date: 2019-06-22
Publication date: 2020-03-24
Anticipated expiration: 2029-06-22

Abstract

The utility model provides a ruler, which comprises a main ruler and an auxiliary ruler, wherein the main ruler is provided with a chute, a slide block is arranged in the chute, the left ends of the main ruler and the auxiliary ruler are connected by a shaft, the shaft part is provided with an angle measuring disc, and the bottom edge of the main ruler is aligned with the 0 scale of the angle measuring disc; the sliding block on the main ruler is provided with three endpoints which are distributed in a triangular shape, the upper two endpoints are short shafts arranged on the sliding chute, one endpoint at the lower part is fixedly connected with a positioning ring, and the positioning ring is arranged on the outer side of the bottom edge of the main ruler; the main ruler and the auxiliary ruler can rotate around the disc; the bottom surface of the auxiliary ruler and the top surface of the main ruler are provided with magnets for attracting, and the auxiliary ruler and the main ruler are combined into a straight plate ruler; the top edge and the bottom edge of the sliding chute are provided with linear scales, and the top edge of the auxiliary ruler is provided with linear scales; two angles are the right angle about vice chi upside, and vice chi is equipped with the sharp scale on being in the side of angulation disc one side, and this novel ration angle, lines length target in place in one step, provide convenience for simple circular, triangle-shaped, rectangle drawing.

Description

Ruler

Technical Field

The utility model belongs to the technical field of stationery, specifically a ruler.

Background

In the initial stage of graphic teaching, students are taught to recognize points, lines, polygons and circles. In the process, a large number of figures need to be drawn, the straight ruler is used for drawing straight lines, and then drawing of triangles and rectangles is completed, and the drawing of circles is multipurpose. Technical personnel in the prior art have provided a product that can draw straight line and can draw circular, as the patent of china, the patent number is: 201420407225.4, the date of the authorized bulletin is: 2015.01.07 discloses a double-gauge ruler, the ruler body 1, the sliding groove 3 opened in the transverse direction of the body 2, the sliding groove 3 is installed with the sliding block 4, the sliding block 4 is installed with the through hole 42, the through hole 42 is used for installing circle drawing tools, such as chalk, pencil and the like, one end of the ruler body 1, 2 is installed with the through hole 6, the through hole 6 is installed with the point device 5 with the magnet 41, the point device 5 is installed with the protractor. The double gauge point device 5 is aligned with the center of a circle, the circle drawing tool is installed in the through hole 42, and a circle is drawn around the point device 5. The tool is very easy to draw a circle. However, the occupied range of the double-rule installation circle drawing tool is large, the drawn line is not easily aligned with the 0-scale position of the protractor, the drawn figure is easy to generate errors, and the device is additionally provided with the protractor, so that the whole structure is large in size and inconvenient to store and use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve not enough among the prior art, provide a small, be convenient for accomodate, can conveniently draw multiple figure and fix a position accurate ruler.

The utility model discloses a specific technical scheme be:

a ruler comprises a main ruler and an auxiliary ruler, wherein the main ruler is provided with a chute, a sliding block is installed in the chute, the left ends of the main ruler and the auxiliary ruler are in shaft connection, a shaft part is provided with an angle measuring disc, and the bottom edge of the main ruler is aligned with 0 scale of the angle measuring disc; the sliding block on the main ruler is provided with three endpoints which are distributed in a triangular shape, the upper two endpoints are short shafts arranged in the sliding chute, one endpoint at the lower part is fixedly connected with a positioning ring, and the positioning ring is arranged on the outer side of the bottom edge of the main ruler; the main ruler and the auxiliary ruler can rotate around the disc; the bottom surface of the auxiliary ruler and the top surface of the main ruler are provided with magnets for attracting, and the auxiliary ruler and the main ruler are combined into a straight plate ruler; the top edge and the bottom edge of the main ruler are provided with linear scales, and the top edge of the auxiliary ruler is provided with linear scales; the left and right angles on the upper side of the auxiliary ruler are right angles, and the side edge of the auxiliary ruler, which is positioned on one side of the angle measuring disc, is provided with linear scales.

The novel quantitative angle and the line length can be in place in one step, and convenience is provided for drawing simple circles, triangles and rectangles.

The main scale and the auxiliary scale shaft end mounting structure are as follows: the shaft end of the main ruler is fixedly connected with a first shaft, and an annular groove is formed in the first shaft; the shaft end of the auxiliary ruler is fixedly connected with a second shaft, the thickness of the auxiliary ruler is the same as that of the main ruler, and the second shaft is matched with the annular groove; the inner wall of the first shaft is in a concave arc shape, the periphery of the angle measuring disc is in a convex arc shape, and the concave arc is matched with the convex arc.

A positioning salient point and a shallow pit are arranged on the contact surface of the first shaft and the angle measuring disc, so that the rotating resistance is maximum when the bottom edge of the first shaft is aligned with the 0 scale; a positioning salient point and a shallow pit are arranged on the contact surface of the first shaft and the second shaft, so that the second shaft has the largest rotation resistance when the first shaft is 90 degrees relative to the second shaft.

The second shaft is a metal ring.

The main scale and the auxiliary scale shaft end mounting structure are as follows: the end of the main ruler shaft is fixedly connected with a first shaft, and the end of the auxiliary ruler shaft is fixedly connected with a second shaft; the first shaft and the second shaft are metal rings; two grooves are formed in the peripheral circle of the angle measuring disc, and the first shaft and the second shaft are respectively installed in the two grooves of the angle measuring disc.

The angle measuring disc is also provided with a limiting ring, the limiting ring is 180-degree arc, and the starting point is at 0-degree position and is used for limiting the main scale; the end point is at 180 degrees and is used for limiting the auxiliary ruler, and the limiting ring is movably buckled on the angle measuring disc.

The angle measuring disc consists of an outer ring with scales and a circle center ring, the circle center ring is a pen point, the circle center hole is connected with the outer ring into a whole through a connecting rod, and the circle center ring protrudes out of the plane of the lower surface of the shaft by 2 mm.

The angle measuring disc is made of transparent materials, a circle center mark is arranged on the center of the angle measuring disc, and the upper surface of the angle measuring disc is a hemispherical surface.

Drawings

FIG. 1 shows a state where the main and auxiliary rulers are connected in parallel;

FIG. 2 is a view showing an opened state of the main scale and the sub scale;

FIG. 3 is a first embodiment of the main and auxiliary ruler shaft structure;

FIG. 4 is a cross-sectional view of an example;

FIG. 5 is a schematic view of a second embodiment of the shaft of the main and auxiliary rulers;

FIG. 6 is an exploded view of the second embodiment.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-6, a ruler comprises a main ruler 2 and an auxiliary ruler 6, wherein the main ruler 2 is provided with a chute 3, a slide block 4 is arranged in the chute 3, the left ends of the main ruler 2 and the auxiliary ruler 6 are connected by a shaft, the shaft is provided with an angle measuring disc 1, and the bottom edge of the main ruler 2 is aligned with the 0 scale of the angle measuring disc 1; the slide block 4 on the main ruler 2 is provided with three endpoints which are distributed in a triangular shape, the upper two endpoints are short shafts 41 arranged in the sliding chute 3, one endpoint at the lower part is fixedly connected with a positioning ring 42, and the positioning ring 42 is arranged at the outer side of the bottom edge of the main ruler 2; the main ruler 2 and the auxiliary ruler 6 can rotate around the angle measuring disc 1; the bottom surface of the auxiliary ruler 6 and the top surface of the main ruler 2 are provided with magnets 5 for attracting, and the two are combined into a straight ruler; the top edge and the bottom edge of the main ruler 2 are provided with linear scales, and the top edge of the auxiliary ruler 6 is provided with linear scales; the left and right angles on the upper side of the auxiliary ruler 6 are right angles, and the side edge of the auxiliary ruler 6 on one side of the angle measuring disc 1 is provided with linear scales.

The ruler can draw circles, arcs and triangles, and the rectangle can be drawn more easily through deformation. The utility model discloses in, the scale interval on 2 bases of main scale should use 1 centre of a circle point of angulation disc to be 0 point seal. The disc size is preferably an integer centimeter unit. The height of the side of the minor ruler is preferably integer centimeter units. The operation of drawing a circle and an arc by using the ruler is the same, the center point of the angulometry disc 1 is pressed at the circle center position, then the slide block 4 is pulled to the scale corresponding to the required radius, the pen point is inserted into the positioning ring 42, the angulometry disc 1 is pressed, and the pen point upwards pushes the ruler to draw a line along with the track of the positioning ring 42. When drawing a triangle, drawing an angle edge, pressing the center of the angle measuring disc 1 at one end of a line segment, rotating the ruler to measure a required angle, pressing the ruler to draw a second angle edge, drawing each edge, determining the side length, and finally connecting the outer ends of the two angle edges. The rectangle is drawn to mainly determine an angle of 90 degrees, the ruler can measure the angle of 90 degrees through the method, a more convenient method can be adopted, namely the auxiliary ruler 6 is opened, and the side edge of the auxiliary ruler is perpendicular to the main ruler 2 when corresponding to 180 degrees. The ruler can simultaneously determine two perpendicular lines, and can determine the length and the width of a rectangle through scales, so that the rectangle can be drawn conveniently.

As shown in fig. 3 and 4, the main ruler and the auxiliary ruler shaft end mounting structure is as follows: the shaft end of the main ruler 2 is fixedly connected with a first shaft 7, and an annular groove 71 is formed in the first shaft 7; the shaft end of the auxiliary ruler 6 is fixedly connected with a second shaft 8, the thickness of the auxiliary ruler 6 is the same as that of the main ruler 2, and the second shaft 8 is matched with the annular groove 71; the angle measuring disc 1 is installed in the first shaft 7, the inner wall of the first shaft 7 is in a concave arc shape, the periphery of the angle measuring disc 1 is in a convex arc shape, and the concave arc is matched with the convex arc.

A positioning salient point and a shallow pit are arranged on the contact surface of the first shaft 7 and the angle measuring disc 1, so that the rotating resistance is maximum when the bottom edge of the first shaft is aligned with the 0 scale; a positioning salient point and a shallow pit are arranged on the contact surface of the first shaft 7 and the second shaft 8, so that the second shaft has the largest rotation resistance when the first shaft is 90 degrees relative to the second shaft. In this example, the second shaft may be a metal ring. Fig. 1 and 2 show the metal ring structure only on the second axis.

As shown in fig. 5 and 6, the main ruler and the auxiliary ruler shaft end mounting structure is as follows: the shaft end of the main ruler 2 is fixedly connected with a first shaft 7, and the shaft end of the auxiliary ruler 6 is fixedly connected with a second shaft 8; the first shaft 7 and the second shaft 8 are metal rings; two grooves 14 are formed in the periphery circle of the angle measuring disc 1, and the first shaft 7 and the second shaft 8 are respectively installed in the two grooves of the angle measuring disc 1. After the two metal rings are sleeved on the disc, the bottom of the disc is provided with a pressing sheet 9 for preventing falling. Furthermore, the angle measuring disc 1 is also provided with a limiting ring, the limiting ring is a 180-degree arc, and the starting point is at the 0-degree position and is used for limiting the main scale; the terminal point is at 180 degrees position for limiting the auxiliary ruler. The limiting ring can be movably buckled on the angle measuring disc 1. The limiting ring can be taken down at any time, and does not prevent the ruler from drawing a round shape or a quantitative large angle.

The angulometry disc comprises outer loop 11 and centre of a circle ring 13 that have the scale, and centre of a circle ring 13 is a nib size, and centre of a circle hole 13 is connected as an organic wholely through connecting rod 12 and outer loop 11, and centre of a circle ring 13 salient is in a 7 lower surface place planes 2mm of axle. The protruding amount of the circular center ring ensures that the ruler can still freely rotate when the angle measuring disc is tightly pressed with the line drawing plane. Therefore, the surface level difference can be reduced as the surface of the plate is flat and has high hardness.

The utility model discloses the angulation disc is transparent material, establishes centre of a circle mark on its center, and angulation disc upper surface is hemisphere surface. The spherical surface has a visual magnifying effect on the scale, which reduces the size of the disc, thereby enabling the ruler to be smaller in size.

The positioning ring of the utility model can be a circular ring or a semi-ring. The ring can only be suitable for small pen points, and the semi-ring can also be suitable for thicker pen points, so that the limitation is smaller.

The above are the illustrative embodiments and descriptions of the present invention, which are used to explain the present invention, but not as a limitation to the present invention, and all simple shapes made without creative efforts shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a ruler, includes main scale and vice chi, is equipped with the spout on the main scale, installs slider, characterized by in the spout: the left ends of the main scale and the auxiliary scale are in shaft connection, the shaft part is provided with an angle measuring disc, and the bottom edge of the main scale is aligned with the 0 scale of the angle measuring disc; the sliding block on the main ruler is provided with three endpoints which are distributed in a triangular shape, the upper two endpoints are short shafts arranged in the sliding chute, one endpoint at the lower part is fixedly connected with a positioning ring, and the positioning ring is arranged on the outer side of the bottom edge of the main ruler; the main ruler and the auxiliary ruler can rotate around the disc; the bottom surface of the auxiliary ruler and the top surface of the main ruler are provided with magnets for attracting, and the auxiliary ruler and the main ruler are combined into a straight plate ruler; the top edge and the bottom edge of the main ruler are provided with linear scales, and the top edge of the auxiliary ruler is provided with linear scales; the left and right angles on the upper side of the auxiliary ruler are right angles, and the side edge of the auxiliary ruler, which is positioned on one side of the angle measuring disc, is provided with linear scales.

2. The ruler of claim 1, wherein: the shaft end of the main ruler is fixedly connected with a first shaft, and an annular groove is formed in the first shaft; the shaft end of the auxiliary ruler is fixedly connected with a second shaft, the thickness of the auxiliary ruler is the same as that of the main ruler, and the second shaft is matched with the annular groove; the inner wall of the first shaft is in a concave arc shape, the periphery of the angle measuring disc is in a convex arc shape, and the concave arc is matched with the convex arc.

3. The ruler of claim 2, wherein: a positioning salient point and a shallow pit are arranged on the contact surface of the first shaft and the angle measuring disc, so that the rotating resistance is maximum when the bottom edge of the first shaft is aligned with the 0 scale; a positioning salient point and a shallow pit are arranged on the contact surface of the first shaft and the second shaft, so that the second shaft has the largest rotation resistance when the first shaft is 90 degrees relative to the second shaft.

4. The ruler of claim 2, wherein: the second shaft is a metal ring.

5. The ruler of claim 1, wherein: the end of the main ruler shaft is fixedly connected with a first shaft, and the end of the auxiliary ruler shaft is fixedly connected with a second shaft; the first shaft and the second shaft are metal rings; two grooves are formed in the peripheral circle of the angle measuring disc, and the first shaft and the second shaft are respectively installed in the two grooves of the angle measuring disc.

6. The ruler of claim 5, wherein: the angle measuring disc is also provided with a limiting ring, the limiting ring is 180-degree arc, and the starting point is at 0-degree position and is used for limiting the main scale; the end point is at 180 degrees and is used for limiting the auxiliary ruler, and the limiting ring is movably buckled on the angle measuring disc.

7. The ruler of any one of claims 1-6, wherein: the angle measuring disc consists of an outer ring with scales and a circle center ring, the circle center ring is a pen point, the circle center hole is connected with the outer ring into a whole through a connecting rod, and the circle center ring protrudes out of the plane of the lower surface of the shaft by 2 mm.

8. The ruler of any one of claims 1-6, wherein: the angle measuring disc is made of transparent materials, a circle center mark is arranged on the center of the angle measuring disc, and the upper surface of the angle measuring disc is a hemispherical surface.