CN219312389U

CN219312389U - Combined ruler

Info

Publication number: CN219312389U
Application number: CN202223456422.9U
Authority: CN
Inventors: 季霏
Original assignee: Heilongjiang Economic Management Cadre College
Current assignee: Heilongjiang Economic Management Cadre College
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-07-07
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a combined ruler which comprises a main ruler plate and an arc-shaped plate fixedly arranged on one side edge of the main ruler plate, wherein a scale mark and an angle mark are respectively arranged on the main ruler plate and the arc-shaped plate, and a sliding groove is formed in the main ruler plate. According to the utility model, the scale marks on the main scale plate are utilized to draw a straight line, the angle marks on the arc plate are utilized to draw angles, meanwhile, the gap between the arc plate and the main scale plate is convenient for grasping the main scale plate, the rotating block axially rotates and is arranged in the through hole of the main scale plate near the first end, the rotating block is utilized as a center point, the rotating block is fixed, the main scale plate is swung to draw a round shape through the chalk inserted in the sliding block slot, the distance from the sliding block to the rotating block is the radius of the center, the distance from the sliding block to the rotating block is adjusted to adjust the round shape, and further, the drawing of the graph is facilitated for teachers through the design of integrating multiple functions.

Description

Combined ruler

Technical Field

The utility model relates to the technical field of ruler tools, in particular to a combined ruler tool.

Background

Ruler tools such as a ruler, a compass, a protractor and the like are used as auxiliary tools for mathematical education, so that teachers can draw circles, straight lines and triangles conveniently.

At present, most of conventionally used rulers are single types of individuals, so that teachers need to take a ruler, compasses and a protractor respectively when carrying the ruler, and the single ruler is inconvenient to carry and inconvenient to store.

Disclosure of Invention

The utility model aims to provide a combined ruler which can draw straight lines, angles and circles, and is convenient to carry and store due to the integrated design.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a combination chi utensil, includes main scale board and fixed mounting in the arc of a main scale board side, scale mark and angle mark have been seted up respectively on main scale board and the arc, the spout has been seted up on the main scale board, the slip is provided with the slider in the spout, and has seted up the slot of grafting chalk on the slider, the perforation has been seted up to the outer wall that the main scale board is close to first end, and the interior rotation of perforation is provided with the turning block.

Preferably, the outer wall of the main ruler plate, which is positioned at one side of the chute, is provided with a circular radius mark.

Preferably, a plurality of elastic sheets are fixedly arranged in the slot.

Preferably, the sliding blocks are symmetrically provided with fastening rods in a sliding manner, the main springs are respectively and fixedly arranged on the fastening rods, and the first ends of the fastening rods are respectively attached to the inner walls of the sliding grooves.

Preferably, the first end of the rotating block is fixedly provided with an anti-skid rubber pad.

Preferably, the main scale plate is a transparent plastic plate.

In the technical scheme, the combined ruler provided by the utility model has the following beneficial effects: through utilizing the scale mark on the main scale board to carry out sharp drawing, the angle mark on utilizing the arc is in order to realize the drawing of angle, clearance between arc and the main scale board is in order to grasp the main scale board of taking simultaneously, be close to the interior pivoted turning block that axial rotated the setting in the first end perforation through the main scale board, with utilize the turning block as centre of a circle point, fixed turning block and swing main scale board carry out circular shape drawing with the chalk of pegging graft in the slot through the slider, and the distance of slider to the turning block is the radius in centre of a circle, and then through the integrative design of multiple function collection, with help the teacher carry out the drawing of figure, and portable.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of a structure according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional structure of a slider according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a main ruler plate; 2. a rotating block; 3. a slide block; 4. an arc-shaped plate; 11. a scale mark; 12. a chute; 13. a circular radius mark; 21. an anti-slip rubber pad; 31. a slot; 32. an elastic sheet; 33. a fastening rod; 34. a main spring; 41. and (5) an angle mark.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-3, a combined ruler comprises a main ruler plate 1 and an arc-shaped plate 4 fixedly mounted on one side edge of the main ruler plate 1, wherein a scale mark 11 and an angle mark 41 are respectively arranged on the main ruler plate 1 and the arc-shaped plate 4, a sliding groove 12 is formed in the main ruler plate 1, a sliding block 3 is arranged in the sliding groove 12 in a sliding manner, a slot 31 for inserting chalk is formed in the sliding block 3, a through hole is formed in the outer wall of the main ruler plate 1 close to the first end, and a rotating block 2 is axially arranged in the through hole in a rotating manner. Through utilizing scale mark 11 on main scale board 1 to carry out the drawing of sharp, angle scale 41 on utilizing arc board 4 is in order to realize the drawing of angle, clearance between arc board 4 and the main scale board 1 is so that the grasp takes main scale board 1 simultaneously, be close to the rotatory piece 2 that axial rotation set up in the first end perforation through main scale board 1, with utilize rotatory piece 2 as the centre of a circle point, fixed rotatory piece 2 and swing main scale board 1 carry out circular drawing with the chalk of pegging graft in through slider 3 slot 31, and the slider 3 is the radius of centre of a circle to the distance of rotatory piece 2, adjust slider 3 to the distance of rotatory piece 2 in order to adjust circular size, and then through the integrative design of multiple function collection, in order to help the teacher to carry out the drawing of figure, and portable.

As shown in fig. 1, as a further technical solution provided by the present utility model, in order to accurately obtain the distance from the sliding block 3 to the rotating block 2, the outer wall of the main scale plate 1 located at one side of the chute 12 is provided with a circular radius mark 13, and the radius of the drawn circle is adjusted by comparing the circular radius marks 13.

Further, in order to quickly fix the chalk in the slot 31, a plurality of elastic pieces 32 are fixedly installed in the slot 31, and when the chalk is inserted into the slot 31, the chalk presses the elastic pieces 32, and the chalk presses and fixes the chalk under the elasticity of the elastic pieces 32.

Furthermore, in order to fix the position of the sliding block 3 in the sliding groove 12, the sliding block 3 is symmetrically provided with fastening rods 33 in a sliding manner, the fastening rods 33 are respectively and fixedly provided with a main spring 34, the first ends of the main springs 34 are fixedly arranged on the sliding block 3, the first ends of the fastening rods 33 are respectively attached to the inner wall of the sliding groove 12, the sliding block 3 is stabilized in the sliding groove 12 by respectively attaching the first ends of the two fastening rods 33 to the inner wall of the sliding groove 12, when the position of the sliding block 3 in the sliding groove 12 needs to be adjusted, the second ends of the fastening rods 33 are simultaneously pressed, so that the fastening rods 33 slide and the first ends of the fastening rods 33 are respectively separated from the inner wall of the sliding groove 12, at this time, the sliding block 3 can move, after the adjustment is completed, the fastening rods 33 are released, and at this time, the sliding block 3 is fixed at the pushing position of the main spring 34.

Specifically, the first end of the rotating block 2 is fixedly provided with an anti-slip rubber pad 21, and the sliding of the rotating block 2 is reduced by using the anti-slip rubber pad 21.

More specifically, the main scale plate 1 is a transparent plastic plate.

Working principle: when the drawing of straight line and angle is needed, utilize scale 11 on main scale board 1 in order to carry out the drawing of straight line, draw in order to realize the drawing of angle at the angle mark 41 that utilizes on arc 4, clearance between arc 4 and the main scale board 1 is in order to grasp main scale board 1 simultaneously, through pressing down the second end of fastening rod 33 simultaneously, so that fastening rod 33 slides and the first end of fastening rod 33 breaks away from spout 12 inner wall respectively, slider 3 can remove with reference to circular radius mark 13 at this moment, with the length of adjustment drawing circular radius, loosen fastening rod 33 after the adjustment, at this moment, main spring 34 pushes away fastening rod 33 respectively, utilize the first end of two fastening rods 33 to laminate respectively in spout 12 in order to make slider 3 stable in spout 12, insert the chalk in slot 31 with the chalk, at this moment with the extrusion fixed chalk under the elasticity of elastic piece 32, at this moment, in order to make anti-skidding rubber pad 21 one side laminate on the blackboard, at this moment, the second end of pressing down rotating block 2 is in order to make rotating block 2 be fixed on, swing main scale board 1 in order to carry out the chalk through the interior of slider 3 slot 31, carry out the distance of round 3 in order to draw the whole design of a plurality of round, and the distance is adjusted in order to carry out the convenient to draw the whole figure, and the multiple figure is realized.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a combination chi utensil, its characterized in that includes main scale board (1) and fixed mounting arc (4) in a main scale board (1) side, scale mark (11) and angle mark (41) have been seted up on main scale board (1) and the arc (4) respectively, spout (12) have been seted up on main scale board (1), the interior slip of spout (12) is provided with slider (3), and has seted up slot (31) of grafting chalk on slider (3), the perforation has been seted up near the outer wall of first end to main scale board (1), and the axial rotation is provided with turning block (2) in the perforation.

2. A combination ruler according to claim 1, wherein the outer wall of the main ruler plate (1) at one side of the chute (12) is provided with a circular radius mark (13).

3. A combination ruler according to claim 1, wherein a plurality of elastic sheets (32) are fixedly arranged in the slot (31).

4. A combination ruler according to claim 1, wherein the sliding blocks (3) are symmetrically provided with fastening rods (33) in a sliding manner, the fastening rods (33) are respectively fixedly provided with main springs (34), and first ends of the fastening rods (33) are respectively attached to the inner walls of the sliding grooves (12).

5. A combination ruler according to claim 1, characterised in that the first end of the turning block (2) is fixedly fitted with an anti-slip rubber pad (21).

6. A combination ruler according to claim 1, wherein the main ruler plate (1) is a transparent plastic plate.