CN206287712U - A kind of mathematical education coordinatometer of right angle - Google Patents

Abstract

The utility model discloses a rectangular coordinate ruler for mathematics teaching, which comprises a transverse guide rail, a rectangular coordinate ruler frame body, a longitudinal guide rail, a horizontal bar and a vertical groove. The two adjacent sides of the frame of the coordinate ruler are respectively provided with a transverse guide rail and a longitudinal guide rail. A cross bar positioning sleeve is installed on the longitudinal guide rail. A rod sleeve is installed in the middle of the cross bar positioning sleeve. A horizontal bar, a horizontal groove is opened in the horizontal bar, a longitudinal bar positioning sleeve is installed on the horizontal guide rail, the vertical bar positioning sleeve is connected with a vertical bar, a vertical slot is opened in the vertical bar, and the rectangular coordinate ruler for mathematics teaching , The structural design is reasonable, and the operation is easy to use for a hundred years. It avoids the reduction of drawing accuracy caused by multiple movements of the rectangular coordinate ruler frame, increases the convenience of operation, and improves the efficiency and effect of rectangular coordinate system drawing.

Description

A Cartesian Coordinate Ruler for Mathematics Teaching

technical field

The utility model relates to the technical field of mathematics teaching appliances, in particular to a rectangular coordinate ruler for mathematics teaching.

Background technique

Stationery is often used in mathematics teaching and student homework. Mathematics stationery is mainly for the convenience of students and teachers in drawing. Traditional stationery includes rulers, protractors, and compasses. At present, in the process of mathematics teaching, it is necessary to draw on the blackboard , it is necessary to use drawing tools to improve the efficiency and quality of drawing, especially when teaching mathematics, it is necessary to use the Cartesian coordinate system to display functions and other abstract subjects by drawing graphics in the Cartesian coordinate system. The traditional The way to draw a Cartesian coordinate system is to use a ruler to measure and move it multiple times. During the drawing process, the ruler needs to be moved continuously, resulting in low stability and affecting the accuracy of the drawing. The accuracy of teaching data, and it is difficult to attract students' attention, prolonging the drawing time of graphics, wasting precious teaching time, and reducing teaching quality and efficiency.

Utility model content

The purpose of this utility model is to provide a rectangular coordinate ruler for mathematics teaching, to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A rectangular coordinate ruler for mathematics teaching, comprising a horizontal guide rail, a rectangular coordinate ruler frame, a longitudinal guide rail, a horizontal bar and a vertical groove, the inside of the rectangular coordinate ruler frame is provided with a coordinate system drawing groove, and the rectangular coordinate ruler frame inner side Horizontal scale lines and vertical scale lines are arranged on the top, and horizontal guide rails and longitudinal guide rails are respectively provided on two adjacent sides of the frame of the rectangular coordinate ruler. Sliding seat, a sliding knob is provided on the sliding seat, a rod sleeve is pierced in the middle of the cross bar positioning sleeve, a cylinder adjustment button is provided on the cross bar positioning sleeve, a cross bar is installed in the rod sleeve, and a horizontal groove is opened in the cross bar , the longitudinal rod positioning sleeve is installed on the horizontal guide rail, the vertical rod positioning sleeve is connected with the vertical rod, the vertical rod is provided with a vertical groove, and the end of the longitudinal guide rail far away from the ferromagnetic block is provided with a horizontal baffle, and the horizontal baffle It is arranged on the frame of the rectangular coordinate ruler and is perpendicular to the longitudinal guide rail; the end of the transverse guide rail away from the ferromagnetic block is provided with a longitudinal baffle, and the longitudinal baffle is arranged on the frame of the rectangular coordinate ruler and is perpendicular to the transverse guide rail.

As a further solution of the utility model: the transverse guide rail and the longitudinal guide rail are perpendicular to each other, and a ferromagnetic block is installed at the junction of the transverse guide rail and the longitudinal guide rail.

As a further solution of the present invention: the structure of the longitudinal bar positioning sleeve is the same as that of the cross bar positioning sleeve.

As a further solution of the present invention: positioning pins are arranged in both the horizontal groove and the vertical groove.

As a further solution of the utility model: the end of the longitudinal guide rail away from the ferromagnetic block is provided with a horizontal baffle, and the horizontal baffle is arranged on the frame of the rectangular coordinate ruler and is perpendicular to the longitudinal guide rail; the horizontal guide rail is far away from the ferromagnetic block One end is provided with a longitudinal baffle, and the longitudinal baffle is arranged on the frame of the rectangular coordinate ruler and arranged vertically with the transverse guide rail.

As a further solution of the present invention: both the inner side of the horizontal baffle and the longitudinal baffle are provided with placement grooves.

As a further solution of the utility model: a ferromagnetic block is installed at the junction of the transverse baffle and the longitudinal baffle.

Compared with the prior art, the utility model has the beneficial effects that: the rectangular coordinate ruler for mathematics teaching has a reasonable structural design, can be operated and used for only a hundred years, and avoids the reduction of drawing accuracy caused by multiple movements of the rectangular coordinate ruler frame. The convenience of operation is increased, and the efficiency and effect of rectangular coordinate system drawing are improved.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1-Positioning sleeve for longitudinal rod, 2-Lateral guide rail, 3-Lateral scale line, 4-Ferromagnetic block, 5-Rectangular coordinate ruler frame, 6-Longitudinal guide rail, 7-Longitudinal scale line, 8-Coordinate system Draw line groove, 9-sliding knob, 10-sliding seat, 11-rod sleeve, 12-barrel adjustment button, 13-crossbar positioning sleeve, 14-positioning needle, 15-crossbar, 16-transverse groove, 17- Horizontal baffle, 18-vertical bar, 19-vertical slot, 20-placement slot, 21-longitudinal baffle.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, in the utility model embodiment, a kind of rectangular coordinate ruler for teaching mathematics, comprises horizontal guide rail 2, rectangular coordinate ruler frame body 5, longitudinal guide rail 6, cross bar 15 and vertical groove 19, described rectangular coordinate ruler The frame body 5 is a rectangular frame body structure, and the inside of the rectangular coordinate ruler frame body 5 is provided with a coordinate system drawing groove 8, and the rectangular coordinate ruler frame body 5 is provided with a horizontal scale line 3 and a vertical scale line 7 on the inner surface of the rectangular coordinate ruler frame body 5. Two adjacent sides of the body 5 are respectively provided with a transverse guide rail 2 and a longitudinal guide rail 6, the transverse guide rail 2 and the longitudinal guide rail 6 are perpendicular to each other, and a ferromagnetic block 4 is installed at the intersection of the transverse guide rail 2 and the longitudinal guide rail 6, and the ferromagnetic block 4 Absorbed on the iron blackboard to facilitate the fixing of the rectangular coordinate ruler frame 5; the longitudinal guide rail 6 is equipped with a crossbar positioning sleeve 13, and the side of the crossbar positioning sleeve 13 is connected to the sliding seat 10, and the sliding seat 10 is provided with a sliding knob 9. A rod sleeve 11 is pierced in the middle of the cross-bar positioning sleeve 13, and a cylinder adjustment button 12 is provided on the cross-bar positioning sleeve 13. A cross-bar 15 is installed in the rod sleeve 11, and a transverse groove 16 is opened in the cross-bar 15. The longitudinal bar positioning sleeve 1 is installed on the described transverse guide rail 2, the structure of the longitudinal bar positioning sleeve 1 is the same as that of the cross bar positioning sleeve 13, the vertical bar positioning sleeve 1 is connected with the vertical bar 18, and the vertical bar 18 is provided with a vertical groove 19, Both the horizontal slot 16 and the vertical slot 19 are provided with positioning pins 14 .

One end of the longitudinal guide rail 6 away from the ferromagnetic block 4 is provided with a transverse baffle 17, and the transverse baffle 17 is arranged on the Cartesian frame 5 and is vertically arranged with the longitudinal guide rail 6; One end of is provided with longitudinal baffle 21, and longitudinal baffle 21 is arranged on rectangular frame body 5 and is vertically arranged with transverse guide rail 2, and the inner side of described transverse baffle 17 and longitudinal baffle 21 is all provided with placement groove 20, The setting of the placement slot 20 is convenient for the parking of the horizontal bar 15 and the vertical bar 18, and a ferromagnetic block 4 is installed at the junction of the transverse baffle 17 and the longitudinal baffle 21, and the setting of the two ferromagnetic blocks 4 adds a rectangular coordinate ruler frame 5 fixed stability.

The working principle of the utility model is: the rectangular coordinate ruler for mathematics teaching has a reasonable structural design and can be operated and used for only a hundred years. The fast fixing of the rectangular coordinate ruler frame 5 is realized by the ferromagnetic block 4, and the stability is good. When drawing a rectangular coordinate system on the blackboard, first move the crossbar positioning sleeve 13 upwards to make the crossbar 15 touch the horizontal baffle 17, and adjust the sliding knob 9 so that the sliding seat 10 is fixed on the longitudinal guide rail 6, and then move the longitudinal pole positioning sleeve 1 Make the vertical rod 18 move, and determine the position of the vertical rod 18 on the horizontal scale line 3 through the positioning pin 14 in the vertical groove 19 and draw a straight line along the vertical groove 19 with chalk to realize multiple vertical drawing. After completion, move The vertical rod positioning sleeve 1 moves the vertical rod 18 to the side of the longitudinal baffle 21 and fixes it. Adjust the sliding knob 9 to move the horizontal rod positioning sleeve 13 to move the horizontal rod 15 up and down, and draw a straight line along the horizontal groove 16 with chalk, thus completing the right angle The drawing of the coordinate system avoids the reduction of drawing accuracy caused by moving the rectangular coordinate ruler frame 5 for many times, increases the convenience of operation, and improves the efficiency and effect of drawing in the rectangular coordinate system.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. a rectangular coordinate ruler for mathematics teaching, comprising a transverse guide rail, a rectangular coordinate ruler frame, a longitudinal guide rail, a cross bar and a vertical groove, is characterized in that, the inside of the rectangular coordinate ruler frame is provided with a coordinate system drawing groove, A horizontal scale line and a vertical scale line are arranged on the inner side of the rectangular coordinate ruler frame, and horizontal guide rails and longitudinal guide rails are respectively arranged on two adjacent sides of the rectangular coordinate ruler frame body, and a cross bar positioning sleeve is installed on the longitudinal guide rail. The side of the cross bar positioning sleeve is connected to the sliding seat, and the sliding seat is provided with a sliding knob. The middle part of the cross bar positioning sleeve is pierced with a rod sleeve. A horizontal groove is provided in the rod, a longitudinal rod positioning sleeve is installed on the horizontal guide rail, the vertical rod positioning sleeve is connected with a vertical rod, and a vertical groove is provided in the vertical rod. 2 . A rectangular coordinate ruler for mathematics teaching according to claim 1 , wherein the transverse guide rail and the longitudinal guide rail are perpendicular to each other, and a ferromagnetic block is installed at the junction of the transverse guide rail and the longitudinal guide rail. 3 . 3 . A rectangular coordinate ruler for mathematics teaching according to claim 1 , characterized in that, the positioning sleeve of the longitudinal bar has the same structure as the positioning sleeve of the horizontal bar. 4 . 4. A rectangular coordinate ruler for mathematics teaching according to claim 1, characterized in that positioning pins are arranged in the horizontal groove and the vertical groove. 5. A kind of rectangular coordinate ruler for mathematics teaching according to claim 1 or 2, characterized in that, one end of the longitudinal guide rail away from the ferromagnetic block is provided with a transverse baffle, and the transverse baffle is arranged on the rectangular coordinate ruler frame On the body and perpendicular to the longitudinal guide rail; the end of the transverse guide rail away from the ferromagnetic block is provided with a longitudinal baffle, and the longitudinal baffle is arranged on the Cartesian frame and perpendicular to the transverse guide rail. 6. A rectangular coordinate ruler for mathematics teaching according to claim 5, characterized in that, the inner side of the transverse baffle and the longitudinal baffle are both provided with placement grooves. 7. A rectangular coordinate ruler for mathematics teaching according to claim 5, wherein a ferromagnetic block is installed at the junction of the transverse baffle and the longitudinal baffle.