CN111890823A

CN111890823A - Angle-stable fine-adjustment type compasses

Info

Publication number: CN111890823A
Application number: CN202010816254.6A
Authority: CN
Inventors: 彭泽宸
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-11-06

Abstract

The invention discloses a compasses with stable and fine adjustment angle, which comprises a compasses supporting rod and a drawing rod, wherein the ends of the compasses supporting rod and the drawing rod are mutually hinged, a first hinge seat is arranged on the compasses supporting rod, an adjusting screw is connected in an adjusting screw hole in a threaded manner, a limiting mechanism for preventing the adjusting screw from axially moving is arranged between one end of the adjusting screw and the surface of a second swinging blade, a through hole is arranged on the first swinging blade, a scale adjusting ruler for measuring the size by matching with the opening edge of the through hole is arranged on the second swinging blade, the scale adjusting ruler is movably inserted in the through hole, the axis of the adjusting screw is parallel to the surface of the scale adjusting ruler, the stability of the angle using process is ensured, the angle fine adjustment can be simultaneously carried out, the accuracy is ensured, the circular arc is not required to be matched and measured by an external ruler, the drawing is extremely convenient, and the, the compasses can keep stable angle, and the structure is simple, and the use is convenient.

Description

Angle-stable fine-adjustment type compasses

Technical Field

The invention relates to a study article.

Background

Compasses are used for drawing circles or strings in mathematics and drawing, and are commonly used for drawing rulers and compasses.

But current compasses are drawing the figure in-process, and the angle changes easily, can not provide a stable regulation mode, simultaneously, when drawing the arc of regulation size, need cooperate with the help of the ruler of outside and measure, and it is relatively troublesome to operate like this, can not provide one kind and can accurately adjust the size, can keep the stable compasses of angle again.

Thus, the existing study article is further improved.

Disclosure of Invention

The invention aims to provide compasses which are stable in angle, fine adjustable in angle and accurate in angle.

In order to achieve the purpose, the invention adopts the following scheme:

fine-tuning compasses are stabilized to angle, including tip articulated compasses bracing piece each other and drawing pole be provided with first articulated seat on the compasses bracing piece be provided with the articulated seat of second on the drawing pole, it has first swing leaf to articulate on the first articulated seat, it has second swing leaf to articulate on the articulated seat of second, be provided with the regulation screw on the first swing leaf, it has adjusting screw to adjust screw female connection, be provided with the stop gear who is used for preventing adjusting screw axial displacement between adjusting screw one end and the second swing leaf surface, be provided with the through-hole on the first swing leaf, be provided with the scale regulation chi that is used for cooperateing the measurement size with through-hole opening edge on the second swing leaf, the scale regulation chi activity alternates in the through-hole, adjusting screw axis and scale regulation chi surface parallel set up.

Further, stop gear is including transversely setting up the pivot hole on the second swing leaf, pivot hole opening edge is provided with inside bellied spacing ring, adjusting screw one end is provided with spacing rotation post, spacing rotation post is installed and is rotated and prevent adjusting screw axial displacement with the spacing ring cooperation in the pivot is downthehole.

Furthermore, the cross section of the scale adjusting ruler is rectangular, and the shape of the through hole is the same as that of the cross section.

Furthermore, the surface of the scale adjusting ruler is provided with a plurality of scales, and each scale corresponds to the actual linear distance between the lower ends of the compasses supporting rod and the drawing rod.

Further, the adjusting screw rod is provided with the regulation rotating part for the other end of stop gear.

Furthermore, both sides walls of the upper ends of the compass support rods are respectively provided with a side support rod, a connecting plate is arranged between the upper ends of the two side support rods for connection, and a rotating part is arranged on the upper surface of the connecting plate.

Furthermore, the compass support rod comprises a first rod body and a compass tip arranged at the lower end of the first rod body.

Further, the drawing rod comprises a second rod body, and a detachable pen rod body is arranged at the lower end of the second rod body.

In summary, compared with the prior art, the invention has the beneficial effects that:

the compasses provided by the invention have the advantages that the defects of the existing compasses in the process of drawing graphs are overcome, the stability of the angle using process is ensured, the angle can be finely adjusted, the accuracy is ensured, the external ruler is not needed to be used for measuring and drawing circular arcs in a matching manner, the drawing is extremely convenient, the size can be accurately adjusted, the angle can be kept stable, and the compasses are simple in structure and convenient to use.

Drawings

FIG. 1 is one of the usage state diagrams of the present invention;

FIG. 2 is a second state diagram of the present invention;

FIG. 3 is a third view of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

FIG. 5 is a fourth usage state diagram of the present invention;

fig. 6 is an exploded view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the angle-stable fine-adjustment type compasses comprise a compasses supporting rod 1 and a drawing rod 2, the ends of which are mutually hinged, a first hinge base 3 is arranged on the compasses supporting rod 1, a second hinge base 4 is arranged on the drawing rod 2, a first swinging vane 5 is hinged on the first hinge base 3, a second swinging vane 6 is hinged on the second hinge base 4, an adjusting screw hole 7 is arranged on the first swinging vane 5, an adjusting screw rod 8 is connected with the adjusting screw hole 7 in a threaded manner, a limiting mechanism 9 for preventing the adjusting screw rod 8 from axially moving is arranged between one end of the adjusting screw rod 8 and the surface of the second swinging vane 6, a through hole 10 is arranged on the first swinging vane 5, a scale adjusting ruler 11 for measuring the size matched with the opening edge of the through hole 10 is arranged on the second swinging vane 6, and the scale adjusting ruler 11 is movably inserted in the through hole 10, the axis of the adjusting screw rod 8 is parallel to the surface of the scale adjusting ruler 11;

during the use, when needing to draw appointed radial arc, adjust through wrench movement adjusting screw 8, wrench movement in-process because adjusting screw 8 is rotatory and carry out threaded connection with adjusting screw 7, adjust screw 7 and remove on adjusting screw 8 simultaneously, it carries out the angular oscillation for drawing pole 2 to move in-process drive compasses bracing piece 1 simultaneously, realize the angle modulation of compasses, through the through-hole 10 edge scale regulation chi 11 position that aligns, learn the arc diameter of drawing at present, realize accurate regulation, because adjusting screw 7 and adjusting screw 8 are threaded connection, even there is external force to act on compasses bracing piece 1 or drawing pole 2 when, the angle can not change yet, adjust screw 7 and adjusting screw 8 and realized the stability of angle between them.

The limiting mechanism 9 comprises a rotating shaft hole 901 transversely arranged on the second swinging blade 6, an inward-protruding limiting ring 902 is arranged at the opening edge of the rotating shaft hole 901, a limiting rotating column 903 is arranged at one end of the adjusting screw 8, the limiting rotating column 903 is arranged in the rotating shaft hole 901 to rotate and is matched with the limiting ring 902 to prevent the adjusting screw 8 from moving axially, and the adjusting screw 8 is prevented from falling and stretching.

The cross section of the scale adjusting ruler 11 is rectangular, and the shape of the through hole 10 is the same as the cross section.

The surface of the scale adjusting ruler 11 is provided with a plurality of scales 110, and each scale 110 corresponds to the actual linear distance between the lower ends of the compasses support rod 1 and the drawing rod 2;

the scales 110 correspond to the actual size of the expanding angle of the compasses, and size marks corresponding to the angle are marked on each scale 110.

The other end of the adjusting screw 8 relative to the limiting mechanism 9 is provided with an adjusting rotating part 100.

The two side walls of the upper end of the compass support rod 1 are respectively provided with a side support rod 200, the upper ends of the two side support rods 200 are connected through a connecting plate 300, and the upper surface of the connecting plate 300 is provided with a rotating part 400.

The compass support rod 1 comprises a first rod body 101 and a compass tip 102 arranged at the lower end of the first rod body 101.

The drawing rod 2 comprises a second rod body 201, and a detachable pen rod body 202 is arranged at the lower end of the second rod body 201.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Fine adjustment formula compasses of angular stabilization, including the mutual articulated compasses bracing piece of tip (1) and drawing pole (2), its characterized in that: the compasses support rod (1) is provided with a first hinged seat (3), the drawing rod (2) is provided with a second hinged seat (4), the first hinged seat (3) is hinged with a first swinging blade (5), the second hinged seat (4) is hinged with a second swinging blade (6), the first swinging blade (5) is provided with an adjusting screw hole (7), the adjusting screw hole (7) is internally threaded with an adjusting screw rod (8), a limiting mechanism (9) for preventing the adjusting screw rod (8) from axially moving is arranged between one end of the adjusting screw rod (8) and the surface of the second swinging blade (6), the first swinging blade (5) is provided with a through hole (10), the second swinging blade (6) is provided with a scale adjusting ruler (11) for matching with the opening edge of the through hole (10), and the scale adjusting ruler (11) is movably inserted in the through hole (10), the axis of the adjusting screw rod (8) is parallel to the surface of the scale adjusting ruler (11).

2. The angle-stabilized fine-tuning compass according to claim 1, wherein the limiting mechanism (9) comprises a rotating shaft hole (901) transversely disposed on the second oscillating blade (6), an opening edge of the rotating shaft hole (901) is provided with a limiting ring (902) protruding inwards, one end of the adjusting screw (8) is provided with a limiting rotating column (903), and the limiting rotating column (903) is installed in the rotating shaft hole (901) to rotate and is matched with the limiting ring (902) to prevent the adjusting screw (8) from moving axially.

3. The angle-stabilized vernier compass according to claim 1, wherein the cross-section of the scale (11) is rectangular, and the shape of the through-hole (10) is the same as the cross-section.

4. The angle-stabilized fine-tuning compass according to any one of claims 1-3, wherein the scale (11) has a plurality of scales (110) on the surface thereof, and each scale (110) corresponds to the actual linear distance between the compass support rod (1) and the lower end of the drawing rod (2).

5. The angular stabilized vernier compass according to any one of claims 1 to 3, wherein the other end of the adjusting screw (8) with respect to the position-limiting mechanism (9) is provided with an adjusting rotation portion (100).

6. The angle-stabilized fine-tuning compass according to any one of claims 1-3, wherein two side walls of the upper end of the compass support rod (1) are respectively provided with a side support rod (200), the upper ends of the two side support rods (200) are connected by a connecting plate (300), and the upper surface of the connecting plate (300) is provided with a rotating part (400).

7. The angle-stabilized vernier compass according to claim 6, wherein the compass support rod (1) comprises a first rod (101) and a compass tip (102) disposed at a lower end of the first rod (101).

8. The compasses of claim 6, wherein said drawing rod (2) comprises a second rod (201), and a detachable pen rod (202) is disposed at the lower end of said second rod (201).