CN219553119U

CN219553119U - Division calculating rule mechanism

Info

Publication number: CN219553119U
Application number: CN202320317849.6U
Authority: CN
Inventors: 张月玲
Original assignee: Fuzhou College of Foreign Studies and Trade
Current assignee: Fuzhou College of Foreign Studies and Trade
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-08-18
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to a division calculating rule mechanism which comprises a sliding rod, a dividend ruler, a divisor ruler and a quotient ruler, wherein the front surface of the dividend ruler is respectively provided with scale marks, the dividend ruler and the trademark ruler are mutually perpendicular and are fixed into a whole, a first sliding block is vertically fixed at the bottom end of the divisor ruler, the trademark ruler is perpendicular to the divisor ruler and penetrates through a sliding groove on the first sliding block, and the sliding rod is arranged at the bevel edge position of the mechanism and is respectively connected with a second sliding block, a third sliding block, a fourth sliding block and a fifth sliding block. The values of the dividend and the divisor can be set on the dividend scale and the divisor scale respectively through manual adjustment, and the display value of the point C on the quotient scale is the quotient. The division calculation process is organized, visualized and visualized, movable and adjustable, and intuitiveness and interestingness of division calculation are improved. The teaching demonstration device is used for teaching demonstration of primary school classrooms, developing the visual thinking of students and inspiring the students.

Description

Division calculating rule mechanism

Technical Field

The utility model relates to a division calculating rule mechanism.

Background

In the teaching process of schools, the display of division calculation is often remained in the teaching of pure theory, and the visual and visual demonstration teaching aid is lacked, so that the visual thinking of students cannot be developed, and the intuitiveness and interestingness of the division calculation cannot be increased.

Disclosure of Invention

In view of the defects in the prior art, the technical problem to be solved by the utility model is to provide a division calculating rule mechanism.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a division calculating rule mechanism, includes slide bar and openly be provided with the dividend scale, divisor scale, the quotient scale of scale mark respectively, by divisor scale and trade mark scale mutually perpendicular and fixed as an organic wholely, divisor scale bottom vertical fixation has first slider, trade mark scale perpendicular to divisor scale and pass the spout on the first slider, the slide bar sets up in the hypotenuse position of mechanism and is connected with second slider, third slider, fourth slider, fifth slider on it respectively, is passed the spout on the second slider by the divisor scale, and the second slider articulates the slide bar through round pin axle A, and the slide bar still passes the spout on the third slider, five sliders, and the divisor scale passes the spout on the fourth slider, articulates through round pin axle B between third slider and the fourth slider, and the fifth slider articulates through round pin axle C and first slider, all is provided with the reading hole that is used for exposing the corresponding scale mark of below on the corner is offered on the connection corner of divisor scale and is also for exposing the reading hole that the corresponding scale mark of below and this reading hole is a unit length between this reading hole and the round pin axle C.

Preferably, the dividend scale and the divisor scale are set to be equal in length, and the scale range is 0-10 or integral multiple thereof.

Compared with the prior art, the utility model has the following beneficial effects:

the values of the dividend and the divisor can be set on the dividend scale and the divisor scale respectively through manual adjustment, and the display value of the point C on the quotient scale is the quotient. The division calculation process is organized, visualized and visualized, movable and adjustable, and intuitiveness and interestingness of division calculation are improved. The teaching demonstration device is used for teaching demonstration of primary school classrooms, developing the visual thinking of students and inspiring the students.

The utility model will be described in further detail with reference to the drawings and the detailed description.

Drawings

Fig. 1 is a schematic view of the construction of an embodiment of the present utility model.

In the figure: 1-slide bar, 2-dividend scale, 3-divisor scale, 4-quotient scale, 5-first slide block, 6-second slide block, 7-third slide block, 8-fourth slide block, 9-fifth slide block, 10-reading hole, A-pin A, B-pin B, C-pin C.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As shown in fig. 1, this embodiment provides a division calculating rule mechanism, including slide bar 1 and the dividend scale 2, divisor scale 3, the trade mark chi 4 that openly is provided with the scale mark respectively, dividend scale and trade mark chi mutually perpendicular just are fixed as an organic wholely, and the corner origin is O is connected to both, divisor scale bottom vertical fixation has first slider 5, trade mark chi perpendicular to divisor scale and pass the spout on the first slider, the slide bar sets up in the hypotenuse position of mechanism and is connected with second slider 6, third slider 7, fourth slider 8, fifth slider 9 on it respectively, and the dividend scale passes the spout on the second slider, and the second slider articulates the slide bar through round pin axle a, and the slide bar still passes the spout on the third, the fifth slider, and the divisor scale passes the spout on the fourth slider, articulates through round pin axle B between third slider and the fourth slider, and the fifth slider articulates with first slider through round pin axle C.

In the embodiment of the utility model, the positions corresponding to the pin shafts A, B, C are respectively provided with a reading hole 10 for exposing the corresponding scale marks below, the connecting corner of the divisor scale and the first sliding block is also provided with a reading hole for exposing the corresponding scale marks below, and the hole distance between the reading hole and the pin shaft C is one unit length.

In the embodiment of the utility model, at the pin shaft A, when the slide bar is hinged on the front surface of the second slide block, the pin shaft A adopts a cylinder pin, and a through hole in the middle of the cylinder pin forms a reading hole; when the sliding rod is hinged to the back surface of the second sliding block, a reading hole is formed in the second sliding block; at the pin shaft B, a reading hole is formed in a fourth sliding block, and the third sliding block is hinged to the back surface of the fourth sliding block; at the pin C, a reading hole is formed in the first sliding block, and a fifth sliding block is hinged to the back face of the first sliding block. The above description is merely an embodiment of the present utility model, and the specific design is not limited thereto.

In the embodiment of the utility model, the dividend scale and the divisor scale are set to be equal in length, and the scale range is 0-10 or integral multiple thereof.

In the embodiment of the utility model, the working principle of the division calculating rule mechanism is as follows:

the mechanism is operated: the values of the dividend and the divisor can be set on the dividend scale and the divisor scale respectively through manual adjustment, and the display value of the point C on the quotient scale is the quotient.

Principle of mechanism: setting the center of a reading hole on the connection corner of the divisor scale and the first sliding block as D. Since triangle BDC and triangle AOC are similar, the ratio of OA length and DB length is equal to the ratio of OC length and DC length, because DC length is 1, the ratio of OA length and DB length is OC. The mechanism can also be applied in reverse, corresponding to a multiplication mechanism. Setting the DBC length and the OC length, the OA length value is the product of the DBC length and the OC length.

The length of each rod and the scales thereof in fig. 1 are only used for illustration, and the rod length and the scales can be flexibly set according to the requirement occasion by specific products. The dividend scale and the divisor scale may be set to be equal in length, and the scale range is usually 0 to 10 or integer multiples thereof.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A division slide rule mechanism, characterized in that: the numerical control device comprises a slide bar and a dividend scale, a divisor scale and a quotient scale, wherein graduation marks are respectively arranged on the front surface of the slide bar, the dividend scale and the trademark scale are mutually perpendicular and fixed into a whole, a first slide block is vertically fixed at the bottom end of the divisor scale, the trademark scale is perpendicular to the divisor scale and penetrates through a slide groove on the first slide block, the slide bar is arranged at the bevel edge of the mechanism and is respectively connected with a second slide block, a third slide block, a fourth slide block and a fifth slide block, the dividend scale penetrates through the slide groove on the second slide block, the second slide block is hinged with the slide bar through a pin shaft A, the slide bar also penetrates through the slide groove on the third slide block and the fifth slide block, the divisor scale penetrates through the slide groove on the fourth slide block, the third slide block is hinged with the fourth slide block through a pin shaft B, reading holes for exposing the graduation marks are respectively arranged at the positions corresponding to the pin shaft A, B, C, and the reading holes for exposing the graduation marks are also arranged on the connecting corners of the divisor scale and the first slide block, and the hole distance between the reading holes and the pin shaft C is one unit length.

2. The division-slide mechanism of claim 1, wherein: the dividend scale and the divisor scale are set to be equal in length, and the scale range is 0-10 or integral multiple of the scale range.