CN213768060U

CN213768060U - Novel multi-purpose chi of mathematics

Info

Publication number: CN213768060U
Application number: CN202022807303.8U
Authority: CN
Inventors: 罗仕春
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-23
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a novel multi-purpose chi of mathematics relates to teaching aid technical field. The utility model discloses a ruler main part, be provided with main scale on one side of ruler main part length direction, the ruler main part is provided with the middle handle that is used for taking that is fixed with in one side of main scale, the ruler main part is constructed in the one side that is located the handle and is had the spout, install the first auxiliary assembly who is used for drawing the circle in the spout, one side that main scale was kept away from to the ruler main part is constructed and is had square notch, it has two and two rotatable accomodations of auxiliary assembly that are used for drawing the angle line in the ruler main part to articulate in the square notch. The utility model discloses a cooperation of first, second auxiliary assembly can draw circle and angle line on guaranteeing the straight basis of ruler main part drawing straight line, and the cooperation structure when can collecting, makes the utility model discloses compact structure conveniently carries and accomodates, still can be used for the centre gripping to be used for correcting the red pen of operation through detachable elasticity buckle, has avoided the process of looking for.

Description

Novel multi-purpose chi of mathematics

Technical Field

The utility model relates to a teaching aid equipment technical field, concretely relates to novel multi-purpose chi of mathematics.

Background

Mathematics (mathematics or maths) is a subject of studying concepts such as quantity, structure, variation, space, and information, and belongs to a form science from a certain point of view. Mathematicians and philosophies have a range of views on the exact scope and definition of mathematics. In human historical development and social life, mathematics also plays an irreplaceable role and is an essential basic tool for learning and researching modern science and technology. In the process of mathematical education of primary and secondary schools, a drawing tool is often required to be used. The existing drawing tools for mathematical teaching are mostly straightedges, squares, protractors, compasses and the like

Conventional drawing tools such as set squares can be used to draw triangles, rulers can be used to draw straight lines, and protractors can be used to draw angles of different angles. The drawing teaching aids used for drawing have the following defects: the function is more single, and a lot of, accomodates and carry all inconveniently, and need paste on the blackboard when using, and is more difficult when taking down, and easy landing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving current drawing instrument function more singleness, and a large amount, accomodate and carry all inconvenient problems, the utility model provides a novel mathematics multipurpose ruler.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a novel mathematics multipurpose ruler, includes the ruler main part, be provided with main scale on one side of ruler main part length direction, the ruler main part is fixed with the handle that is used for holding in the middle of being provided with one side of main scale, the ruler main part is constructed in the one side that is located the handle and is had the spout, install the first auxiliary assembly who is used for drawing the circle in the spout, one side that main scale was kept away from to the ruler main part is constructed and is had square notch, it has the second auxiliary assembly and the rotatable accomodating of auxiliary assembly that are used for drawing the angle line to articulate in the ruler main part in square notch.

Further, supplementary subassembly one is including the activity place first supplementary chi in the spout, the one end of first supplementary chi outside the spout is constructed with the dog, the one end fixed mounting that the dog was kept away from to first supplementary chi has the centre gripping pipe that is used for the centre gripping chalk, the ruler main part deviates from one side center of handle and is constructed and be used for supporting rotatory protruding nail.

Furthermore, a first threaded hole is formed in one end, close to the stop block, of the ruler main body, and a first fixing piece used for abutting against the first auxiliary ruler is connected to the first threaded hole in a threaded mode.

Further, two supplementary subassembly construct the screwed hinge bar including the supplementary chi two and the end that is constructed with articulated piece, supplementary chi two is located the other end structure of articulated piece and is constructed with the pointer, supplementary chi two is articulated through the hinge bar with the ruler main part, it dodges the groove to be constructed to be used for holding pointer pivoted in the ruler main part, the ruler main part is located to dodge the groove top and is constructed with two fan-shaped breachs, the ruler main part is located to be constructed with on the fan-shaped piece in the middle of two fan-shaped breachs and uses the pin joint as 0-90's angle scale of original point, the ruler main part is located to dodge the groove below and is constructed the screw hole that has with threaded connection on the hinge bar.

Furthermore, two elastic buckles used for fixing the gel pen are detachably mounted on the ruler main body.

The utility model has the advantages as follows:

1. the utility model discloses a cooperation of first, second auxiliary assembly can draw circle and angle line on guaranteeing the straight rule main part and draw sharp basis, and the cooperation structure when can collecting makes the utility model discloses compact structure conveniently carries and accomodates.

2. The utility model discloses a detachable elasticity buckle can be used for the centre gripping to be used for the red pen of correction operation, has avoided the process of looking for.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top perspective view of the present invention;

fig. 3 is a schematic view of the main body of the ruler of the present invention;

FIG. 4 is a schematic view of the auxiliary components of the present invention;

reference numerals: 1. a straightedge body; 101. main scales; 102. a square notch; 103. a first threaded hole; 104. a fixing member; 105. an avoidance groove; 106. a sector-shaped notch; 107. an angle scale; 2. a grip; 3. a chute; 4. a first auxiliary component; 401. a first auxiliary scale; 402. a stopper; 403. clamping the tube; 404. a convex nail; 5. a second auxiliary component; 501. a second auxiliary ruler; 502. an indicator needle; 503. a hinged lever; 6. an elastic buckle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in figures 1, 2, 3 and 4, a novel mathematics multipurpose ruler comprises a ruler main body 1, a main scale 101 is arranged on one side of the ruler main body 1 in the length direction, a handle 2 for holding is fixed in the middle of one side of the ruler main body 1 provided with the main scale 101, when in use, the handle 2 is held by hand, the novel mathematics multipurpose ruler is placed on a blackboard, a chute 3 is formed on one side of the ruler main body 1 positioned on the handle 2, an auxiliary assembly I4 for drawing circles is installed in the chute 3, a square notch 102 is formed on one side of the ruler main body 1 far away from the main scale 101, an auxiliary assembly II 5 for drawing angle lines is hinged on the ruler main body 1, and the auxiliary assembly II 5 can be rotatably accommodated in the square notch 102, wherein the auxiliary assembly I4 can be accommodated in the ruler main body 1, the auxiliary assembly II 5 can be rotatably placed on the square notch 102, so that the utility model is compact as a whole, is convenient to carry and use.

As shown in fig. 1, 2 and 3, in some embodiments, the auxiliary assembly one 4 includes a first auxiliary ruler 401 movably disposed in the chute 3, a stopper 402 is configured at an end of the first auxiliary ruler 401 outside the chute 3, a holding tube 403 for holding chalk is fixedly installed at an end of the first auxiliary ruler 401 away from the stopper 402, a protruding nail 404 for supporting rotation of the ruler main body 1 is configured at a center of a side of the ruler main body 1 facing away from the handle 2, the chalk is fixed in the holding tube 403 when in use, the first auxiliary ruler 401 is adjusted to a proper distance by the stopper 402, the protruding nail 404 is abutted against the blackboard, and the utility model is rotated to draw a circle; the position of the convex nail 404 is equivalent to the circle center of the drawing circle, and the clamping pipe 403 fixes the chalk by friction force and close fit with the chalk.

As shown in fig. 1, 2 and 3, in some embodiments, a first threaded hole 103 is formed at an end of the straightedge body 1 close to the stop 402, a fixing member 104 for abutting against the first auxiliary ruler 401 is threadedly connected to the first threaded hole 103, and the first auxiliary ruler 401 can abut against the first auxiliary ruler 401 by rotating the fixing member 104 when adjusted, so as to be fixed.

As shown in fig. 1 and 4, in some embodiments, the auxiliary assembly two 5 includes an auxiliary scale two 501 configured with a hinge block and a hinge rod 503 with a thread at the end, the auxiliary scale two 501 is configured with a pointer 502 at the other end of the hinge block, the auxiliary scale two 501 is hinged with the straightedge body 1 through the hinge rod 503, an avoidance groove 105 for accommodating the pointer 502 for rotation is configured on the straightedge body 1, two scallops 106 are configured on the avoidance groove 105 of the straightedge body 1, an angle scale 107 with a hinge point as the origin is configured on the scallop between the two scallops 106, a threaded hole connected with the thread on the hinge rod 503 is configured on the straightedge body 1 below the avoidance groove 105, the angle between the auxiliary scale two 501 and the straightedge body 1 can be determined by the cooperation of the pointer 502 and the angle scale 107 when the auxiliary scale two 501 is rotated, after the adjustment is completed, the hinge rod 503 is rotated, the fixing is realized by increasing the friction force between the ruler main body 1 and the auxiliary ruler II 501, and then the corresponding angle line is drawn by chalk.

As shown in fig. 1, in some embodiments, two elastic buckles 6 for fixing a gel pen are detachably mounted on the ruler body 1, and can be used for clamping a red pen for correction work.

Claims

1. The utility model provides a novel multi-purpose chi of mathematics, includes ruler main part (1), its characterized in that, be provided with main scale (101) on one side of ruler main part (1) long direction, be fixed with in the middle of one side that is used for main scale (101) handle (2) of holding in ruler main part (1), ruler main part (1) is constructed spout (3) in one side that lies in handle (2), install in spout (3) and be used for drawing auxiliary assembly one (4) of circle, one side that main scale (101) were kept away from in ruler main part (1) is constructed square notch (102), it has auxiliary assembly two (5) and the rotatable accomodating of auxiliary assembly two (5) that are used for drawing the angle line to articulate in ruler main part (1) in square notch (102).

2. The novel mathematics multipurpose ruler of claim 1, characterized in that said auxiliary assembly one (4) comprises a first auxiliary ruler (401) movably placed in the chute (3), a stop block (402) is formed at one end of said first auxiliary ruler (401) outside the chute (3), a holding tube (403) for holding chalk is fixedly installed at one end of said first auxiliary ruler (401) far from said stop block (402), and a protruding nail (404) for supporting rotation is formed at the center of one side of said ruler main body (1) far from said grip (2).

3. A novel mathematics multipurpose ruler as claimed in claim 2, characterized in that the end of the ruler main body (1) near the stop block (402) is configured with a first threaded hole (103), and the first threaded hole (103) is screwed with a fixing piece (104) for abutting against the first auxiliary ruler (401).

4. The new mathematics multipurpose ruler of claim 1, characterized in that said second auxiliary assembly (5) comprises a second auxiliary ruler (501) configured with hinging block and a hinging rod (503) with screw thread at the end, the other end of the auxiliary ruler II (501) positioned on the hinge block is provided with an indicator needle (502), the second auxiliary ruler (501) is hinged with the ruler main body (1) through a hinge rod (503), an avoiding groove (105) for accommodating the rotation of the pointer (502) is formed on the ruler main body (1), two fan-shaped notches (106) are formed above the avoidance groove (105) of the ruler main body (1), an angle scale (107) of 0-90 degrees taking a hinge point as an origin is constructed on a fan-shaped block of the ruler main body (1) positioned between the two fan-shaped notches (106), the ruler main body (1) is located and dodges the screw hole that threaded connection was gone up with articulated rod (503) below groove (105) structure.

5. The novel mathematics multipurpose ruler as claimed in claim 1, characterized in that two elastic buckles (6) for fixing gel pens are detachably mounted on said ruler body (1).