CN211764543U

CN211764543U - Mathematics is with portable multi-functional measuring device

Info

Publication number: CN211764543U
Application number: CN202020033691.6U
Authority: CN
Inventors: 洪梅
Original assignee: Changzhou Vocational Institute of Light Industry
Current assignee: Changzhou Vocational Institute of Light Industry
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-27
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a portable multifunctional measuring device for mathematics, which comprises a main plate body, a turn button, an angle mark, a length mark, an equilateral triangular groove, a strand-hooking triangular groove, a compass hole and a radius mark, wherein the main plate body is in a semicircular shape, the straight edge side of the main board body is widened, a rotating button is rotationally clamped at the center position of the semicircular edge of the main board body, the semicircular edge of the main plate body is marked with an angle mark, the straight edge of the main plate body is marked with a length mark, the surface of the main board body is provided with an equilateral triangular groove and a triangular groove with a hooked strand, the surface of the main board body is provided with a plurality of rows of compass holes, and the side edge of the compass hole is positioned at the symmetrical side of the angle mark and is correspondingly marked with a radius mark, the portable multifunctional measuring device for mathematics has simple structure, convenient use and convenient carrying, the device can be used for measuring the length and the round angle, and the rotatable device for installing the knob can draw a circle, so that the practicability is stronger.

Description

Mathematics is with portable multi-functional measuring device

Technical Field

The utility model relates to a learning tools technical field specifically is a mathematics is with portable multi-functional measuring device.

Background

Need study measurement in the mathematics study, use many measuring tool, the mathematics measuring tool is devices such as common ruler, set square, protractor, because the study content is comparatively extensive, need carry more instrument when the student uses measuring tool, and is comparatively troublesome, loses easily moreover. Therefore, a portable multifunctional measuring device for mathematics is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mathematics is with portable multi-functional measuring device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mathematics is with portable multi-functional measuring device, includes the mainboard body, turn button, angle mark, length mark, equilateral triangular groove, colludes a thigh triangular groove, compasses hole and radius mark, the mainboard body is semicircle form, and the straight flange side of the mainboard body widens, the central point of the semicircle limit of the mainboard body puts the rotation joint and has the turn button, the semicircle limit mark of the mainboard body has the angle mark, the straight flange mark of the mainboard body has the length mark, equilateral triangular groove has been seted up and colludes a thigh triangular groove on the surface of the mainboard body, the multirow compasses hole has been seted up on the mainboard body surface, and compasses hole side is located the symmetry side correspondence mark of angle mark and has the radius mark.

Preferably, the main board body is made of hard transparent plastics.

Preferably, the semicircular edge and the linear edge of the main plate body are both in a beveled shape.

Preferably, the section of the rotating button is in an I shape, and the rotating button is made of an aluminum alloy material.

Preferably, the caulking groove is opened to the mainboard surface position in the homonymy of radius mark, and the button cooperation card is gone into in the caulking groove, the terminal surface that the button is close to the caulking groove flushes with mainboard surface.

Preferably, the corners of the main board body are provided with round corners.

Compared with the prior art, the beneficial effects of the utility model are that: the device passes through the measurable angle of angle mark, through measurable quantity length of length mark, and the straight line limit of mainboard body can draw the straight line, through equilateral triangular groove and collude the angle commonly used of drawing that the thigh triangular groove can be convenient, when the device draws the circle, with the mainboard body upset, the protruding face laminating paper of turn-button, the user hand is pressed the top surface at the turn-button, but mainboard body circumference is rotatory, select the compasses hole that corresponds the radius according to the mark of radius mark, insert corresponding compasses downthehole rotation mainboard body with the nib and draw the circle, this mathematics is with portable multifunctional measuring device simple structure, high durability and convenient use, can conveniently carry, operative installations measuring length, the fillet, and the rotatable device of installation of turn-button draws the circle, and the practicality is stronger.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of the knob mounting structure of the present invention;

fig. 4 is a schematic side view of the present invention.

In the figure: 1. a main board body; 2. turning a button; 3. an angle scale; 4. a length scale; 5. an equilateral triangular groove; 6. a triangular groove for hooking the strands; 7. a compass hole; 8. caulking grooves; 9. and (6) marking the radius.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a portable multi-functional measuring device is used to mathematics, including the mainboard body 1, the turn button 2, the angle mark 3, length mark 4, equilateral triangle groove 5, collude thigh triangle groove 6, compasses hole 7 and radius mark 9, mainboard body 1 is half circular, and the straight flange side of mainboard body 1 is widened, the central point of the semicircle limit of mainboard body 1 puts the rotation joint and has turn button 2, the semicircle limit mark of mainboard body 1 has angle mark 3, the straight flange mark of mainboard body 1 has length mark 4, equilateral triangle groove 5 has been seted up and colludes thigh triangle groove 6 on the surface of mainboard body 1, multirow compasses hole 7 has been seted up on the surface of mainboard body 1, and the symmetry side that 7 sides in compasses hole correspond and mark and have radius mark 9 in the symmetry side that angle mark 3.

The device passes through 3 measurable angle degrees of angle mark, through 4 measurable length of length mark, and the straight line limit of mainboard body 1 can draw the straight line, through equilateral triangular groove 5 and collude the angle commonly used that can be convenient of thigh triangular groove 6, when the device draws the circle, 1 upset of mainboard body, the protruding face laminating paper of turn button 2, user's hand is pressed at the top surface of turn button 2, but mainboard body 1 circumferencial rotation, but select corresponding radial compasses hole 7 according to the mark of radius mark 9, insert corresponding compasses hole 7 internal rotation mainboard body 1 with the nib and draw the circle, this mathematics is with portable multi-functional measuring device simple structure, it is convenient to use, conveniently carry, can use the device to measure length, the fillet, and the rotatable device of installation of turn button 2 draws the circle, the practicality is stronger.

The main board body 1 is made of hard transparent plastics, so that the production cost is low, and the observation and the scribing are convenient.

The semicircular edge and the linear edge of the main plate body 1 are both in a bevel cutting shape, so that the thicknesses of the semicircular edge and the linear edge of the main plate body 1 are smaller, and alignment measurement is facilitated.

The section of the knob 2 is in an I shape, and the knob 2 is made of aluminum alloy materials, so that the wear resistance is good, and the service life is long.

The caulking groove 8 is seted up to the same side that the mainboard body 1 surface lies in

radius mark

9, and 2 cooperation cards of turn button go into in the caulking groove 8, and the terminal surface that 2 turn buttons are close to caulking groove 8 flushes with mainboard body 1 surface, makes things convenient for the smooth measurement of mainboard body 1 back.

The fillet is all seted up to the corner of mainboard body 1, avoids the too sharp easily to cause the injury to the user of mainboard body 1 corner.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mathematics is with portable multi-functional measuring device, includes the mainboard body (1), turn button (2), angle mark (3), length mark (4), equilateral triangular groove (5), colludes thigh triangular groove (6), compasses hole (7) and radius mark (9), its characterized in that: the improved ruler is characterized in that the main plate body (1) is semicircular, the straight edge side of the main plate body (1) is widened, the central position of the semicircular edge of the main plate body (1) is connected with a rotating button (2) in a rotating mode, the semicircular edge of the main plate body (1) is marked with angle marks (3), the straight edge of the main plate body (1) is marked with length marks (4), the surface of the main plate body (1) is provided with equilateral triangular grooves (5) and hooked triangular grooves (6), the surface of the main plate body (1) is provided with a plurality of rows of compass holes (7), and the sides of the compass holes (7) are located on the symmetrical sides of the angle marks (3) and are correspondingly marked with radius marks (9).

2. A portable multifunctional mathematical measuring device according to claim 1, characterized in that: the main board body (1) is made of hard transparent plastics.

3. A portable multifunctional mathematical measuring device according to claim 1, characterized in that: the semicircular edge and the linear edge of the main plate body (1) are both in a bevel cutting shape.

4. A portable multifunctional mathematical measuring device according to claim 1, characterized in that: the section of the rotating button (2) is in an I shape, and the rotating button (2) is made of an aluminum alloy material.

5. A portable multifunctional mathematical measuring device according to claim 1, characterized in that: the embedding groove (8) is opened to the homonymy that the mainboard body (1) surface is located radius mark (9), and changes button (2) cooperation card and go into in embedding groove (8), the terminal surface that changes button (2) is close to embedding groove (8) flushes with mainboard body (1) surface.

6. A portable multifunctional mathematical measuring device according to claim 1, characterized in that: the corners of the main board body (1) are provided with round corners.