CN219382061U - Multipurpose ruler-compass combined device - Google Patents

Multipurpose ruler-compass combined device Download PDF

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Publication number
CN219382061U
CN219382061U CN202123115333.3U CN202123115333U CN219382061U CN 219382061 U CN219382061 U CN 219382061U CN 202123115333 U CN202123115333 U CN 202123115333U CN 219382061 U CN219382061 U CN 219382061U
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CN
China
Prior art keywords
supporting leg
base
ruler
connecting hole
compass
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Application number
CN202123115333.3U
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Chinese (zh)
Inventor
刘满荣
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Individual
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Individual
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Priority to CN202123115333.3U priority Critical patent/CN219382061U/en
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Publication of CN219382061U publication Critical patent/CN219382061U/en
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Abstract

The utility model discloses a multipurpose ruler-compass combiner which comprises a base, wherein the cross section of the base is L-shaped, a rotating shaft is fixedly connected to the outer side surface of the base, a connecting hole a is formed in the inner side surface perpendicular to the outer side surface of the base, a connecting hole b is tangential to the connecting hole a, the base is hinged with a first supporting leg through the connecting hole a, a compass tip is axially arranged at the center of one end of the first supporting leg far away from the base, and ruler scales are carved on the outer side edge of the first supporting leg; the base is hinged with the second supporting leg through a connecting hole b, a chalk hole is formed in the center of one end of the second supporting leg away from the base in the axial direction, a hidden groove is formed in the second supporting leg, a protractor is arranged at the intersection of the first supporting leg and the second supporting leg, and a blackboard eraser groove is formed after the first supporting leg and the second supporting leg are combined. The tool such as compasses, the ruler, the protractor, the marker pen, the blackboard eraser and the like are stored and tidied together, so that the portable ruler is convenient to carry, simple in structure and convenient to operate in use.

Description

Multipurpose ruler-compass combined device
Technical Field
The utility model belongs to the technical field of teaching aids, and particularly relates to a multipurpose ruler and compass combiner.
Background
In daily teacher's teaching, drawing tool is the necessary instrument of giving lessons of teacher, and the teacher needs to draw various figures such as coordinate graph, table, circular on the blackboard, in order to draw more regular such as chart, and the blackboard writing is pleasing to the eye, and the teacher often takes various drawing tools such as various teaching tools such as compasses, ruler, measuring angle board etc. when giving lessons, just need to be with the help of ruler and protractor when measuring length or angle, leads to the teacher to need a large amount of teaching appurtenances when giving lessons. Because the tools have different shapes, different sizes and a large number, the tools are troublesome to carry, and bring a great deal of inconvenience to teaching work of teachers.
Disclosure of Invention
The utility model aims to provide a multipurpose ruler-compass combiner, which solves the problem that a teacher needs to carry a plurality of teaching aids when taking class.
The multipurpose ruler-compass combiner comprises a base, wherein the cross section of the base is L-shaped, a rotating shaft is fixedly connected to the outer side face of the base, a connecting hole a and a connecting hole b are formed in the inner side face perpendicular to the outer side face, the connecting hole a is tangential to a circle formed by the connecting hole b, the base is hinged with a first supporting leg through the connecting hole a, a compass tip is axially arranged at the center of one end of the first supporting leg far away from the base, and ruler scales are carved on the outer side edge of the first supporting leg; the base is hinged with the second supporting leg through a connecting hole b, a chalk hole is formed in the center of one end of the second supporting leg away from the base in the axial direction, a hidden groove is formed in the second supporting leg, a protractor is arranged at the joint of the first supporting leg and the base, and a blackboard eraser groove is formed in the position, close to the base, of the first supporting leg and the second supporting leg.
The present utility model is also characterized in that,
the blackboard eraser groove is arranged on the same side of the ruler graduation and the hidden groove and on the different side of the ruler graduation and the hidden groove.
The tail end of the ruler scale is aligned with one end of the first supporting leg far away from the base.
The zero scale line of the protractor coincides with the inner edge of the second supporting leg, and the circle center of the protractor is positioned at the midpoint of the connection of the circle centers of the connecting hole a and the connecting hole b.
The blind groove opening is provided with a cover plate which is suitable for the blind groove opening, and the cover plate is connected with the blind groove in a drawing mode.
The blind groove opening is rectangular, and the longer two sides of the rectangle are equal to the distance between the inner side and the outer side of the first supporting leg.
The utility model has the advantages that,
(1) The utility model can conveniently store and arrange the tools such as the compasses, the ruler, the protractor, the marker pen, the blackboard eraser and the like together, is convenient to carry, has a simple structure, and is convenient to operate during use.
(2) The blind groove opening is provided with the cover plate, so that articles in the blind groove can be prevented from falling.
(3) The rotary shaft is convenient for a user to draw circles by using compasses, so that the efficiency is improved.
Drawings
FIG. 1 is a schematic elevational view of a multi-purpose ruler-gauge combiner of the present utility model;
FIG. 2 is a side view of the base of the multi-purpose ruler combination of the present utility model;
fig. 3 is a schematic view of the back structure of the multipurpose ruler combiner of the present utility model.
In the figure, a rotating shaft 1, a base 2, a first supporting leg 3, a second supporting leg 4, a connecting hole a5, a connecting hole b6, a protractor 7, a ruler scale 8, a hidden groove 9, a blackboard erasing groove 10, a chalk hole 11 and a compass tip 12.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The structure of the multipurpose ruler-compass combiner is shown in fig. 1, the multipurpose ruler-compass combiner comprises a base 2, the cross section of the base 2 is L-shaped, and a rotating shaft 1 is fixedly connected to one outer side surface of the base, as shown in fig. 2; the rotary shaft is arranged, so that a user can draw a circle by using the compasses conveniently, and the efficiency is improved; the inner side surface perpendicular to the outer side surface is provided with a connecting hole a5 and a connecting hole b6, the connecting hole a5 is tangential to the connecting hole b6, one end of the first supporting leg 3 is hinged with the base 2 through the connecting hole a5, one end of the second supporting leg 4 is hinged with the base 2 through the connecting hole b6, and the first supporting leg 3 and the second supporting leg 4 are thicker rectangular columns;
the center of one end of the first supporting leg 3 far away from the base 2 is provided with a compass point 12 along the axial direction; the outer side edge of the first supporting leg 3 is carved with a ruler scale 8, and the tail end of the ruler scale 8 is aligned with the edge of the end, far away from the base 2, of the first supporting leg 3;
the second landing leg 4 is kept away from the center of one end of the base 2 and is axially provided with a chalk hole 11, the second landing leg 4 is provided with a hidden groove 9, the distances between the longer two sides of the hidden groove 9 and the inner side and the outer side of the second landing leg 4 are equal, chalk and a marker pen can be placed in the hidden groove 9, a cover capable of being pulled is arranged above the hidden groove 9, the area of the cover can cover the hidden groove 9, and objects in the hidden groove 9 can be prevented from falling.
The intersection of the first supporting leg 3 and the second supporting leg 4 is provided with a protractor 7, a zero scale line of the protractor 7 coincides with the inner edge of the second supporting leg 4, and the circle center of the protractor 7 is positioned on the connecting line of the circle centers of the connecting hole a5 and the connecting hole b 6.
As shown in fig. 3, the first leg 3 and the second leg 4 are engraved with a blackboard eraser groove 10 for placing a blackboard eraser on the opposite sides of the ruler graduation 8 and the hidden groove 9.
In use, a teacher places a marker pen and a chalk into the hidden groove 9, when in use, the hidden groove 9 cover plate is pulled open, the chalk is taken out to be placed at the chalk hole 11, the length of the chalk is adjusted, the compass point 12 is pressed on the blackboard, the distance between the first supporting leg 3 and the second supporting leg 4 is adjusted, the rotating shaft 1 is rotated, and the chalk draws a circle on the blackboard; when the angle is required to be measured, the inner side edge of the second supporting leg 4 is aligned with one side of the angle to be measured, the first supporting leg 3 is rotated until the inner side edge of the first supporting leg 3 is aligned with the other side of the angle to be measured, the scale on the protractor 7 is checked, and the angle of the angle to be measured is read; when the length needs to be measured, aligning the zero scale position of the outer side edge of the first supporting leg 3 carved with the ruler scale 8 with one end of the length to be measured, checking the position of the other end of the length to be measured corresponding to the ruler scale 8, and reading the length to be measured; when the writing content is required to be wiped, the blackboard eraser is taken out from the blackboard eraser groove 10 for use.
The utility model can conveniently store and arrange the tools such as the compasses, the ruler, the protractor, the marker pen, the blackboard eraser and the like together, is convenient to carry, has a simple structure, and is convenient to operate during use.

Claims (6)

1. The multipurpose ruler and compass combiner is characterized by comprising a base (2), wherein the cross section of the base (2) is L-shaped, a rotating shaft (1) is fixedly connected to the outer side surface of the base (2), a connecting hole a (5) and a connecting hole b (6) are formed in the inner side surface perpendicular to the outer side surface, the connecting hole a (5) is tangential to a circle formed by the connecting hole b (6), the base (2) is hinged to a first supporting leg (3) through the connecting hole a (5), a compass tip (12) is axially arranged at the center of one end of the first supporting leg (3) far away from the base (2), and ruler scales (8) are carved on the outer side edge of the first supporting leg (3); the base (2) is hinged with the second supporting leg (4) through a connecting hole b (6), a chalk hole (11) is formed in the center of one end, far away from the base (2), of the second supporting leg (4), a hidden groove (9) is formed in the second supporting leg (4), a protractor (7) is arranged at the joint of the first supporting leg (3) and the second supporting leg (4) with the base (2), and a blackboard eraser groove (10) is formed in the position, close to the base (2), of the first supporting leg (3) and the second supporting leg (4).
2. The multipurpose ruler and compass combiner according to claim 1, wherein the ruler graduation (8) and the hidden groove (9) are on the same side, and the blackboard eraser groove (10) is arranged on the opposite side of the ruler graduation (8) and the hidden groove (9).
3. A multi-purpose ruler-scale combination according to claim 1, wherein the end of the ruler scale (8) is aligned with the end of the first leg (3) remote from the base (2).
4. The multipurpose ruler and compass combiner according to claim 1, wherein zero graduation marks of the protractor (7) are coincident with the inner edge of the second supporting leg (4), and the center of the protractor (7) is located at the midpoint of the connection between the centers of the connecting hole a (5) and the connecting hole b (6).
5. The multipurpose ruler and compass combiner according to claim 1, wherein a cover plate is arranged at the opening of the hidden groove (9), and the cover plate is connected with the hidden groove (9) in a drawing mode.
6. The multipurpose ruler and compass combiner according to claim 1, wherein the blind groove (9) is rectangular in opening, and the longer sides of the rectangle are equal in distance from the inner side and the outer side of the first supporting leg (3).
CN202123115333.3U 2021-12-10 2021-12-10 Multipurpose ruler-compass combined device Active CN219382061U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123115333.3U CN219382061U (en) 2021-12-10 2021-12-10 Multipurpose ruler-compass combined device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123115333.3U CN219382061U (en) 2021-12-10 2021-12-10 Multipurpose ruler-compass combined device

Publications (1)

Publication Number Publication Date
CN219382061U true CN219382061U (en) 2023-07-21

Family

ID=87191844

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123115333.3U Active CN219382061U (en) 2021-12-10 2021-12-10 Multipurpose ruler-compass combined device

Country Status (1)

Country Link
CN (1) CN219382061U (en)

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