CN203228551U - Novel compass - Google Patents

Abstract

The utility model relates to a daily article, in particular to an arc compass for drawing an angle. It includes a rotating shaft, a hinge, a left compass foot, a right compass foot, a pen body, a dial, a pointer, a compass tip, a fixed foot bracket, a pen tip and a nib. 1. The right compass foot is fixedly connected with the hinge through the connecting shaft, and the pen body is mounted on the lower end of the left compass foot through the connecting shaft and can rotate left and right around the connecting shaft. The lower end of the nib is fixed, the pointer is connected to the middle part of the right compass leg, the dial is fixed to the middle part of the leg with the right compass leg as the axis and sticks to the pointer surface, the tip of the compass is fixed to the lower end of the right compass leg, and the The fixed foot support is connected to the bottom of the right support foot and can be turned up and down. It overcomes the disadvantage that traditional compasses can only draw arcs with unknown angles, and produces certain beneficial effects.

Description

A new type of compasses

technical field

The utility model relates to a daily article, in particular to an arc compass for drawing an angle.

Background technique

There are many types of compasses currently on the market, and almost all types can only draw arcs with unknown angles. However, in actual drawing work, it is often necessary to draw arcs with a fixed arc. Such traditional compasses are not easy to draw arcs accurately. The size of the radian requires a protractor, which is very inconvenient and not very economical; the second is that when the arc is drawn, it needs to be altered, which is time-consuming and laborious, and the efficiency is poor.

Utility model content

The utility model aims to solve the above problems, and provides a new type of compasses, which overcomes the shortcomings of traditional compasses that can only draw arcs with unknown angles, time-consuming, and waste materials. The technical scheme adopted is as follows:

A kind of arc compass for drawing a radian. It includes a rotating shaft, a hinge, a left compass foot, a right compass foot, a pen body, a dial, a pointer, a compass tip, a fixed foot bracket, a pen tip and a nib. The rotating shaft is connected to the hinge through a screw. The right compass foot is fixedly connected to the hinge through the connecting shaft, the pen body is mounted on the lower end of the left compass foot through the connecting shaft and can rotate left and right around the connecting shaft, the pen tip is fixedly connected to the lower end of the pen body through a screw, and the pen head and the pen point The lower end is fixed, the pointer is connected to the middle part of the right compass leg, the dial is fixed to the middle part of the leg with the right compass leg as the axis, the tip of the compass is fixed to the lower end of the right compass leg, and the fixed leg bracket is connected to the right The lower part of the legs can be turned up and down.

The utility model has the following advantages: simple structure, convenient use, clever combination of the protractor and the compasses, which saves time and labor for drawing arcs and improves drawing efficiency.

Description of drawings

Fig. 1: Structural schematic diagram of the utility model;

Symbol Description

1. Shaft, 2. Folding leaf, 3. Connecting shaft, 4. Left compass foot, 5. Right compass foot, 6. Pen body, 7. Screw, 8. Nut, 9. Pen tip, 10. Pen tip, 11. Pointer, 12. dial, 13. compass tip, 14. fixed foot bracket.

Detailed ways

Below in conjunction with accompanying drawing and example the utility model is described further:

As shown in Figure 1, a new type of compass of the utility model includes a rotating shaft 1, a hinge 2, a connecting shaft 3, a left compass leg 4, a right compasses leg 5, a pen body 6, a screw 7, a nut 8, and a nib 9 , nib 10, pointer 11, dial 12, compass point 13 and fixed foot support 14, described rotating shaft 1 is connected with hinge 2 by screw 7, described left compass leg 4, right compasses leg 5 are connected by connecting shaft 3 The hinges are fixed, the pen body 6 is mounted on the lower end of the left compass leg 4 through the connecting shaft 3 and can rotate left and right around the connecting shaft 3, the nib 10 is affixed to the lower end of the pen body through a screw, the nib 9 and the nib 10 The lower end is affixed, the pointer 11 is connected to the middle part of the right compass leg 5, the dial 12 is fixed to the middle part of the right compasses leg 5 with the right compass leg 5 as the axis, and the compass tip 13 is affixed to the lower end of the right compasses leg 5 , the fixed foot bracket 14 is connected to the bottom of the right compass foot 5 and can be turned up and down.

When in use, separate the left compass leg 4 and the right compasses leg 5, insert the compass tip 13 at the specified position on the paper, turn over the fixed leg bracket 14 to make the tip stick to the paper, unscrew the pointer 11, and rotate the dial 12. Align the pointer with the zero mark line, turn the rotating shaft 1, and stop drawing when the pointer points to the specified angle.

The utility model has been described above with examples, but the utility model is not limited to the above-mentioned specific embodiments, and any changes or modifications made based on the utility model all belong to the protection scope of the utility model.

Claims (1)

1. A new type of compass, characterized in that it includes a rotating shaft (1), a hinge (2), a connecting shaft (3), a left compass foot (4), a right compass foot (5), a pen body (6), and a screw (7), nut (8), nib (9), nib (10), pointer (11), dial (12), compass tip (13) and fixed foot bracket (14), the shaft (1) The hinge (2) is connected with the screw (7), the left compass leg (4) and the right compasses leg (5) are fixed to the hinge through the connecting shaft (3), and the pen body (6) is connected to the The shaft (3) is mounted on the lower end of the left compass leg (4) and can rotate left and right around the connecting shaft (3). The nib (10) is fixedly connected to the lower end of the pen body through a screw. The nib (9) and the nib (10) The lower end is affixed, the pointer (11) is connected to the middle part of the right compass leg (5), and the dial (12) is fixedly connected to the middle part of the right compasses leg (5) with the right compass leg (5) as the axis. The tip (13) is fixedly connected to the lower end of the right compass leg (5), and the fixed leg support (14) is connected to the lower part of the right compasses leg (5) and can be turned up and down.

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