CN219427807U - Turntable ruler - Google Patents

Abstract

The utility model provides a turntable ruler, which comprises a turntable ruler and an outer ring ruler, wherein a circle of rotating groove is formed in the side edge of the turntable ruler, a mounting opening is formed in the rotating groove, a first positioning hole is formed in the circle center of the turntable ruler, at least one second positioning hole is formed in the left side and the right side of the turntable ruler, the second positioning holes and the first positioning holes are positioned on the same straight line, a middle hole circle is formed in the middle of the outer ring ruler, the middle hole circle is identical to the outer diameter of the turntable ruler, a mounting strip is arranged on the inner side of the outer ring ruler, and the turntable ruler is assembled through the mounting opening.

Description

a turntable ruler

technical field

The utility model relates to the technical field of rulers, in particular to a turntable ruler.

Background technique

Ruler is a widely used tool for drawing at present, especially among students and drawing engineers and technicians, there are often various graphics in the drawing process, such as circles, ellipses, quadrilaterals and polygons, etc., will use a variety of The ruler is inconvenient to carry and the efficiency is not high. It is extremely inconvenient to use and needs to be improved.

Utility model content

The main purpose of the utility model is to provide a turntable ruler to solve the problems that students or drawing engineers and technicians need to use various rulers in the drawing process, which is inconvenient to carry and the efficiency is not high. In order to solve the above problems, the present application provides the following improvement scheme, a turntable ruler includes a turntable ruler and an outer ring ruler, wherein the side of the turntable ruler is provided with a circle of turning grooves, and an installation opening is opened on the turning groove, and the turntable ruler A first positioning hole is provided at the center of the circle, and at least one second positioning hole is provided on each of its left and right sides, and the second positioning hole and the first positioning hole are on the same straight line;

There is a middle hole circle in the middle of the outer ring ruler, and if the diameter of the middle hole circle is the same as that of the turntable ruler, a mounting strip is provided on the inner side of the outer ring ruler, and the installation strip passes through the installation port to assemble the turntable ruler.

In order to achieve the above object, the utility model provides the following solutions:

Further, a plurality of third positioning holes are arranged around the first positioning hole, and the size of each positioning hole is the same.

Further, four linear grooves are provided on the turntable ruler, and the linear grooves are distributed in a square shape on the periphery of the second positioning hole and the third positioning hole.

Further, the turntable ruler is provided with a plurality of geometric grooves.

Further, the edge of the turntable ruler is provided with a boss, and the boss is provided with a circle of convex points, which is convenient for rotating the turntable ruler.

Further, three evenly distributed mounting strips are provided on the inner side of the outer ring ruler.

The utility model provides the beneficial effect of a turntable ruler: when the turntable ruler is assembled on the outer ring ruler, the first positioning hole, the second positioning hole and the third positioning hole on the turntable ruler can be used to draw each position by rotating the turntable ruler. Various circles and arcs, geometric grooves and linear grooves on the turntable ruler can directly draw straight lines and existing common geometric figures, making drawing very convenient.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model. Obviously, the accompanying drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, without paying Under the premise of creative work, other drawings can also be obtained based on these drawings.

In the attached picture:

Fig. 1 is the overall schematic diagram of a kind of turntable ruler of the present utility model;

Fig. 2 is the exploded schematic diagram of a kind of turntable ruler of the present utility model;

Fig. 3 is a schematic side view of the turntable ruler of the present invention.

Detailed ways

In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplification of the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific orientation construction and operation, therefore should not be construed as limiting the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present utility model can be understood according to specific situations.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative work all belong to the protection scope of the utility model.

As shown in Figures 1-3, an embodiment of the present application provides a turntable ruler including a turntable ruler 1 and an outer ring ruler 2, wherein the side of the turntable ruler 1 is provided with a circle of rotating grooves 109, and on the turning groove 109 is set There is an installation opening 108, a first positioning hole 101 is provided at the center of the turntable ruler 1, and at least one second positioning hole 102 is provided on each of its left and right sides, and the second positioning hole 102 and the first positioning hole 101 are on the same line superior;

In the middle of the outer ring ruler 2, there is a middle hole circle 202, and the diameter of the middle hole circle 202 is the same as that of the turntable ruler 1. The inner side of the outer ring ruler 2 is provided with a mounting strip 201, and the installation strip 201 is assembled with the turntable ruler 1 through the installation opening 108.

Specifically, as shown in Figure 1-3, the turntable ruler 1 and the outer ring ruler 2 are made of plastic, and a middle hole circle 202 is set in the middle of the outer ring ruler 2, and its diameter and thickness are the same as those of the turntable ruler 1. The side of the turntable ruler 1 is provided with a circle of rotating groove 109, and an installation opening 108 is provided on the rotation groove 109. At the same time, three installation strips 201 are evenly distributed and smaller in size than the installation opening 108 on the inside of the outer ring ruler 2, and its The thickness is smaller than the width of the rotating groove 109. When assembling, first buckle the installation port 108 of the turntable ruler 1 into one of the installation bars 201, and then press and rotate the turntable ruler 1. At this time, the installation bar 201 enters the turning groove 109 and continues to rotate. Until the mounting bars 201 are all inserted into the rotating groove 109, the turntable ruler 1 can rotate in the outer ring ruler 2 like this.

To disassemble the turntable ruler 1, rotate the installation port 108 to the installation bar 201, and push it up from the bottom to the top, let the installation port 108 withdraw from the installation bar 201, and then rotate the outer ring ruler 2 until the installation bar 201 is completely withdrawn That's it.

The central point of turntable ruler 1 is provided with first positioning hole 101, can be used as the center of circle when drawing, at least 1 second positioning hole 102 is respectively provided with at the left and right sides of first positioning hole 101, first positioning hole 101 to the 2nd positioning hole The distance between the two positioning holes 102 can be used as a radius, and the rotary dial chi 1 can be used to draw a circle or an arc line, or one of the second positioning holes 102 can be used as the center of circle, and the distance to the other second positioning hole 102 is the radius drawing Figure, in like manner, when a plurality of second positioning holes 102 are offered, more figures of different sizes can be drawn by rotating the dial ruler 1 .

As shown in FIG. 1 , a plurality of third positioning holes 103 are opened around the first positioning hole 101 . With reference to the above method, various sizes and irregular patterns can be drawn. It should be noted that the above-mentioned positioning holes have the same size, which can reduce product mold opening and production costs, and improve product competitiveness.

Also offer 4 linear grooves 104 on the turntable ruler 1 to draw straight lines, and are distributed in a square shape on the periphery of the positioning holes, and simultaneously, a plurality of geometric grooves 105 are also provided in the gaps between each positioning hole and the linear grooves 104, such as Triangle, circle, ellipse, quadrilateral and polygon, utilize above-mentioned geometric shape groove 105 and linear groove 104 to be able to make more complex figures by rotating turntable ruler 1, not only have fully utilized the space but also can reduce carrying drawing tool, have also improved Mapping efficiency.

As shown in FIG. 2 , a circle of bosses 107 is provided on the edge of the turntable ruler 1 , and a circle of convex points 106 is provided on the boss 107 to facilitate more precise and convenient rotation of the turntable ruler 1 .

Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: they can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features; and these The modification or replacement does not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (6)

1. A turntable ruler is characterized by comprising a turntable ruler and an outer ring ruler,

the side of the turntable ruler is provided with a circle of rotating groove, the rotating groove is provided with a mounting opening, the circle center of the turntable ruler is provided with a first positioning hole, the left side and the right side of the first positioning hole are respectively provided with at least one second positioning hole, and the second positioning holes and the first positioning holes are positioned on the same straight line;

the middle of outer lane chi has seted up the mesopore circle, the mesopore circle is the same with carousel chi diameter, the inboard of outer lane chi is equipped with the installation strip, the installation strip is through the installation mouth come the assembly carousel chi.

2. A rotary ruler according to claim 1 wherein the periphery of the first locating hole is provided with a plurality of third locating holes, each locating hole having the same size.

3. The rotary rule according to claim 1, wherein 4 linear grooves are formed in the rotary rule, and the linear grooves are distributed in a square shape on the periphery of the second positioning hole and the third positioning hole.

4. A rotary scale according to claim 3 wherein the scale is provided with a plurality of geometric grooves.

5. The rotary rule of claim 4, wherein a boss is provided on a circle of the edge of the rotary rule, and a circle of protruding points are provided on the boss to facilitate rotation of the rotary rule.

6. A rotary rule according to claim 1, wherein 3 evenly distributed mounting bars are provided on the inside of the outer rule.