CN210759940U

CN210759940U - Portable mathematics teaching board

Info

Publication number: CN210759940U
Application number: CN201920882418.8U
Authority: CN
Inventors: 朱玲芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-06-16
Anticipated expiration: 2029-06-13

Abstract

A portable mathematics teaching board comprises a support, pulleys, a cabinet door, a support rod, a blackboard frame, fixing screws, a rotating shaft, a metal blackboard, a sliding ruler, sliding screws, a sliding rotating ruler and positioning screws, wherein the rotating ruler comprises a slider, a sliding rod, a protractor, a rotating shaft, an outer ruler and an inner ruler, the pulleys are arranged at the bottom end of the support, a tool cabinet is arranged in the support, the cabinet door is arranged in front of the tool cabinet, the support rod is arranged at the left side and the right side of the upper end of the support, the left end and the right end of the blackboard frame are rotatably connected with the support rod through the rotating shaft, the utility model has simple structure and convenient carrying, is particularly suitable for being used by a student guidance mechanism in a class system, is also provided with a tool storage cabinet, can make a drawn figure more concrete and vivid, and helps students analyze concrete geometric figures from correct image models, so that the understanding is easier and the teaching quality is improved.

Description

Portable mathematics teaching board

Technical Field

The utility model belongs to the technical field of the mathematical education instrument, concretely relates to portable mathematics teaching board.

Background

In mathematical education, since teachers draw graphics roughly and then add auxiliary lines for segmentation and then derive analysis and calculation through formulas when performing graphic subject answering analysis, geometric segmentation and addition of some auxiliary lines in subsequent teaching are very inaccurate due to the drawn graphics are very nonstandard, misleading can be caused on a visual model for students, the students become more abstract, the students understand more complicated, and the classroom teaching quality is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a portable mathematics teaching board to solve the actual problem that proposes among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a portable mathematics teaching board comprises a support, pulleys, a cabinet door, a support rod, a blackboard frame, fixing screws, a rotating shaft, a metal blackboard, a sliding ruler, sliding screws, a sliding angle gauge and positioning screw holes, wherein the sliding angle gauge comprises a slider, a sliding rod, an angle gauge, a rotating shaft, an outer ruler and an inner ruler, the pulleys are arranged at the bottom end of the support, a tool cabinet is arranged in the support, the cabinet door is arranged in front of the tool cabinet, the support rod is arranged at the left side and the right side of the upper end of the support, the left end and the right end of the blackboard frame are rotatably connected with the support rod through the rotating shaft, the metal blackboard is arranged on the front surface and the rear surface of the blackboard frame, the sliding screws are arranged at the two ends of the sliding ruler and the two ends of the sliding ruler are slidably connected with the left side and the right side of the blackboard frame through the sliding screws, and, the left and right sides of blackboard frame is equipped with the location screw, set screw passes the bracing piece with location screw threaded connection, the smooth rod set up in the bottom of slider, the protractor set up in the slider top, the bottom of outer chi is passed through the axis of rotation with the slider rotates to be connected, interior chi cover is established in the outer chi and with outer chi sliding connection.

Furthermore, a sliding chute matched with the sliding bar is arranged on the sliding ruler.

Furthermore, a scale value is arranged on the sliding ruler.

Furthermore, the left side and the right side of the blackboard frame are provided with slide rails matched with the slide screws for use.

Furthermore, the outer ruler and the inner ruler are both provided with scale values.

(III) advantageous effects

The utility model provides a portable mathematics teaching board, the utility model discloses simple structure, the transport of being convenient for, the student tutor mechanism of specially adapted class system uses, still is equipped with the instrument storing compartment, can be so that the more concrete image of figure of drawing, and help the student can follow the concrete geometric figure of analysis on the exact image model for it is easier to understand, improves the quality of teaching.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

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

FIG. 3 is a schematic view of the sliding rotary ruler of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-bracket, 2-pulley, 3-cabinet door, 4-support rod, 5-blackboard frame, 6-fixed screw, 7-rotating shaft, 8-metal blackboard, 9-sliding ruler, 10-sliding screw, 11-sliding rotating ruler, 12-positioning screw hole, 111-sliding block, 112-sliding bar, 113-protractor, 114-rotating shaft, 115-outer ruler and 116-inner ruler.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a portable mathematics teaching board comprises a support 1, pulleys 2, a cabinet door 3, a support rod 4, a blackboard frame 5, fixing screws 6, a rotating shaft 7, a metal blackboard 8, a sliding ruler 9, sliding screws 10, a sliding rotating ruler 11 and positioning screw holes 12, wherein the sliding rotating ruler 11 comprises a sliding block 111, a sliding rod 112, a protractor 113, a rotating shaft 114, an outer ruler 115 and an inner ruler 116, the pulleys 2 are arranged at the bottom end of the support 1, a tool cabinet is arranged in the support 1, the cabinet door 3 is arranged in front of the tool cabinet, the support rod 4 is arranged at the left side and the right side of the upper end of the support 1, the left end and the right end of the blackboard frame 5 are rotatably connected with the support rod 4 through the rotating shaft 7, the metal blackboard 8 is arranged on the front side and the back side of the blackboard frame 5, the sliding screws 10 are arranged at the two ends of the sliding ruler 9, the two ends of the sliding ruler 9 are, the left side and the right side of the blackboard frame 5 are provided with positioning screw holes 12, fixing screws 6 penetrate through the support rods 4 and are in threaded connection with the positioning screw holes 12, the sliding bar 112 is arranged at the bottom end of the sliding block 111, the protractor 113 is arranged above the sliding block 111, the bottom end of the outer ruler 115 is rotatably connected with the sliding block 111 through the rotating shaft 114, and the inner ruler 116 is sleeved in the outer ruler 115 and is in sliding connection with the outer ruler 115; a sliding chute matched with the sliding bar 112 is arranged on the sliding ruler 9; the slide rule 9 is provided with a scale value; sliding rails matched with the sliding screws 10 are arranged on the left side and the right side of the blackboard frame 5; both the outer scale 115 and the inner scale 116 are provided with scale values.

When the utility model is used in concrete, when teaching needs to be drawn and explained, the sliding ruler 9 can be slid to a corresponding position according to needs, the outer ruler 115 is rotated according to the protractor 113, wherein the inner ruler 116 can be freely stretched according to the length of the drawn line segment, the line segment of the required angle can be drawn at the position by pressing the outer ruler 115 with one hand after the position and the angle are determined, especially some irregular triangles are drawn, parallel lines and auxiliary dividing lines of various figures are drawn, the sliding ruler 9 can draw horizontal lines on the metal blackboard 8, a common teacher needs to carry out formula derivation calculation after geometric analysis, because the blackboard has limited space, the previous derivation process and figures can not be erased, in order to avoid repeated labor, the fixing screw 6 on the support rod 4 can be unscrewed, the fixing screw 6 is fixed after the blackboard frame 5 is rotated, and then, subsequent analysis and derivation calculation is carried out on the metal blackboard 8 on the other side of the blackboard frame 5, and the original blackboard is turned over after the calculation is finished to explain the geometric figure.

The utility model discloses simple structure, the transport of being convenient for, the student tutor mechanism of specially adapted class system uses, still is equipped with the instrument storing compartment, can be so that the more concrete image of figure of drawing, and help student can follow the concrete geometric figure of analysis on the exact image model for it is easier to understand, improves the quality of teaching.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A portable mathematics teaching board which characterized in that: comprises a support (1), pulleys (2), a cabinet door (3), a support rod (4), a blackboard frame (5), a fixing screw (6), a rotating shaft (7), a metal blackboard (8), a sliding ruler (9), a sliding screw (10), a sliding rotating ruler (11) and a positioning screw hole (12), wherein the sliding rotating ruler (11) comprises a sliding block (111), a sliding bar (112), a protractor (113), a rotating shaft (114), an outer ruler (115) and an inner ruler (116), the pulleys (2) are arranged at the bottom end of the support (1), a tool cabinet is arranged in the support (1), the cabinet door (3) is arranged in front of the tool cabinet, the support rod (4) is arranged at the left side and the right side of the upper end of the support (1), the left end and the right end of the blackboard frame (5) are rotatably connected with the support rod (4) through the rotating shaft (7), the metal blackboard frame (8) is arranged on the front surface and the back surface of the, slide screw (10) set up in the both ends of slide rule (9) just the both ends of slide rule (9) are passed through slide screw (10) with blackboard frame (5) left and right sides sliding connection, slip commentaries on classics chi (11) with slide rule (9) sliding connection, the left and right sides of blackboard frame (5) is equipped with location screw (12), set screw (6) are passed bracing piece (4) with location screw (12) threaded connection, draw runner (112) set up in the bottom of slider (111), protractor (113) set up in slider (111) top, the bottom of outer chi (115) is passed through axis of rotation (114) with slider (111) rotate and are connected, interior chi (116) cover establish in outer chi (115) and with outer chi (115) sliding connection.

2. A portable mathematics teaching board according to claim 1, characterized in that: and a sliding chute matched with the sliding bar (112) for use is arranged on the sliding ruler (9).

3. A portable mathematics teaching board according to claim 1, characterized in that: the slide rule (9) is provided with scale values.

4. A portable mathematics teaching board according to claim 1, characterized in that: the left side and the right side of the blackboard frame (5) are provided with sliding rails matched with the sliding screws (10).

5. A portable mathematics teaching board according to claim 1, characterized in that: the outer ruler (115) and the inner ruler (116) are both provided with scale values.