Teaching auxiliary scribing device

Abstract

The utility model discloses an auxiliary scribing device for teaching, which comprises a first graduated scale, a second graduated scale and rotating assemblies, and is characterized in that the rotating assemblies are arranged at the ends, close to each other, of the first graduated scale, the second graduated scale and an angle ruler, each rotating assembly comprises a rotating shell, a first spacer block is arranged in each rotating shell, and a second spacer block is arranged in each rotating shell. An angle ruler is arranged at the top end of the first partition block, a first fixing block, a second partition block, a second fixing block and a third partition block are sequentially arranged at the bottom end of the first partition block from top to bottom, and the first graduated scale and the second graduated scale are provided with a first compass assembly and a second compass assembly; through the arrangement of the rotating assembly, the first compass assembly and the second compass assembly, the application range of the device can be effectively expanded, meanwhile, the problem that the device possibly slightly moves in the drawing process is solved, the teaching efficiency and quality are effectively improved, and teaching work is better carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of ruler marking, in particular to a teaching auxiliary marking device. Background Art

[0002] A ruler is also called a measuring ruler or a graduated ruler. It is a tool used to draw lines (especially straight ones) and measure lengths. A ruler usually has graduations to measure lengths. Some rulers have special shapes such as letters or circular holes in the middle to facilitate drawing. They are usually used to measure and calculate lengths. They are generally divided into tape measures, vernier calipers, squares, and rulers.

[0003] The existing patent CN216993699U proposes a ruler with a rotation function. During use, the patent drives the first rotating shaft and the second rotating shaft to rotate. The first rotating shaft rotates the first ruler through the first connecting plate, and the second rotating shaft rotates the second ruler through the second connecting plate, so that the states of the rotated first ruler and the second ruler are adapted to the drawing of subsequent teaching personnel, thereby conveniently realizing the rotation of the first ruler and the second ruler, thereby effectively improving the convenience of subsequent teaching personnel in drawing. However, with the advancement of teaching tasks, the teaching content is not only limited to drawing straight lines, but also circles. At the same time, during the drawing process, slight movement of the device may occur, affecting the drawing effect. Therefore, the utility model proposes a teaching auxiliary marking device. Utility Model Content

[0004] The utility model provides a teaching auxiliary marking device, which solves the limitation of use in the teaching process, can effectively improve the teaching efficiency and quality, and better carry out teaching work.

[0005] To achieve the above-mentioned purpose, the utility model provides a teaching auxiliary marking device, comprising a first scale, a second scale and a rotating assembly, wherein the rotating assembly is provided at one end of the first scale, the second scale and the angle scale close to each other, and the rotating assembly comprises a rotating shell, a first spacer is provided in the rotating shell, and the angle scale is fixed to the outer wall of the first spacer, a first fixed block is provided at the bottom end of the first spacer, a second spacer is provided at the bottom end of the first fixed block, a second fixed block is provided at the lower end of the second spacer, and a third spacer is provided at the lower end of the second fixed block, a first rotating shaft movably passes through the rotating shell, a knob is rotatably connected to the top end of the first rotating shaft, a second suction cup is fixedly connected to the bottom end of the first rotating shaft, a first suction cup is fixedly connected to the bottom outer wall of the first scale away from the rotating assembly, and a first compass assembly and a second compass assembly are respectively provided at one end of the first scale and the second scale away from each other.

[0006] Effectively, the compass assembly comprises a third fixed block, one end of the third fixed block is fixedly connected to the first scale, and the other end of the third fixed block is penetrated by a chalk groove.

[0007] Effectively, a groove is provided at the bottom of one end of the second scale away from the first scale, a second rotating shaft is provided in the groove, the second rotating shaft is rotatably connected to the inner wall of the groove, and one end movably passes through the groove and the second scale, one end of the second rotating shaft arranged outside the second scale is threadedly connected to a nut, one end of the second rotating shaft arranged inside the groove is fixedly connected to a fourth fixed block, and the fourth fixed block is fixedly connected to a cone.

[0008] Effectively, the first rotating shaft movably passes through the first spacer, the first fixed block, the second spacer, the second fixed block and the third spacer, and the knob is arranged on the top of the rotating shell and contacts the rotating shell.

[0009] Effectively, the end of the first fixed block away from the first rotation axis is fixedly connected to the second scale, and the end of the second fixed block away from the first rotation axis is fixedly connected to the first scale.

[0010] Effectively, the size of the chalk groove corresponds to the chalk, the cross-sectional dimension of the groove is larger than the sum of the cross-sectional dimensions of the fourth fixed block and the cone, and the nut contacts the outer wall of the second scale away from the rotating component.

[0011] By adopting the above technical solution, when the device is not in use, the fourth fixing block and the cone can be completely stored in the groove, thereby reducing the possibility of potential danger of the cone.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] The utility model is provided with a rotating component and a compass component. When the device is not in use, it can be rotated and stored through the rotating component. When in use, it is only necessary to rotate the first scale and the second scale to determine the angle and the position, and then fix them to draw. When it is necessary to draw a circle, the cone and the chalk groove are fixed on the blackboard, and the entire teaching auxiliary device is rotated with the rotating component as the center of the circle. When not in use, the nut is rotated, and the nut drives the fourth fixing block and the cone to rotate, so that the fourth fixing block and the cone are stored in the groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work. In the accompanying drawings:

[0015] Figure 1 The general structure diagram of a teaching auxiliary marking device is shown in FIG.

[0016] Figure 2 It is a disassembled diagram of a rotating assembly of a teaching auxiliary marking device;

[0017] Figure 3 It is a structural diagram of the first compass component of a teaching auxiliary marking device;

[0018] Figure 4 The present invention is a structural diagram of the second compass component of a teaching auxiliary marking device.

[0019] Numbers in the figure: 1. first scale; 11. first suction cup; 2. second scale; 3. rotating assembly; 31. rotating shell; 32. first rotating axis; 33. first spacer; 34. first fixed block; 35. second spacer; 36. second fixed block; 37. third spacer; 38. knob; 39. second suction cup; 4. angle ruler; 5. first compass assembly; 51. third fixed block; 52. chalk slot; 6. second compass assembly; 61. cone; 62. fourth fixed block; 63. second rotating axis; 64. nut; 65. groove. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0021] Embodiment 1

[0022] like Figure 1 and Figure 2As shown, the teaching auxiliary marking device of this embodiment includes a first scale 1, a second scale 2 and a rotating assembly 3. The rotating assembly 3 is provided at one end where the first scale 1, the second scale 2 and the angle ruler 4 are close to each other. The rotating assembly 3 includes a rotating shell 31. A first spacer 33 is provided in the rotating shell 31. The angle ruler 4 is fixed to the outer wall of the first spacer 33. A first fixing block 34 is provided at the bottom end of the first spacer 33. A second spacer 35 is provided at the bottom end of the first fixing block 34. The second spacer 3 A second fixing block 36 is arranged at the lower end of the first fixing block 36, a third spacer block 37 is arranged at the lower end of the second fixing block 36, a first rotating shaft 32 movably penetrates the rotating housing 31, a knob 38 is rotatably connected to the top end of the first rotating shaft 32, a second suction cup 39 is fixedly connected to the bottom end of the first rotating shaft 32, a first suction cup 11 is fixedly connected to the bottom end outer wall of the first scale 1 away from the rotating assembly 3, and a first compass assembly 5 and a second compass assembly 6 are respectively arranged at the ends of the first scale 1 and the second scale 2 away from each other;

[0023] The first rotating shaft 32 movably passes through the first spacer 33, the first fixed block 34, the second spacer 35, the second fixed block 36 and the third spacer 37, and the knob 38 is disposed on the top of the rotating housing 31 and contacts the rotating housing 31;

[0024] The first fixed block 34 is fixedly connected to the second scale 2 at one end away from the first rotation axis 32 , and the second fixed block 36 is fixedly connected to the first scale 1 at one end away from the first rotation axis 32 .

[0025] Embodiment 2

[0026] like Figure 1 , Figure 3 and Figure 4 As shown, the first compass assembly 5 includes a third fixed block 51, one end of the third fixed block 51 is fixedly connected to the first scale 1, and the other end of the third fixed block 51 is penetrated by a chalk groove 52, and a groove 65 is formed at the bottom of one end of the second scale 2 away from the first scale 1, and a second rotating shaft 63 is arranged in the groove 65;

[0027] The second rotating shaft 63 is rotatably connected to the inner wall of the groove 65 and one end of the second rotating shaft 63 movably penetrates the groove 65 and the second scale 2. One end of the second rotating shaft 63 disposed outside the second scale 2 is threadedly connected to a nut 64. One end of the second rotating shaft 63 disposed inside the groove 65 is fixedly connected to a fourth fixing block 62. The fourth fixing block 62 is fixedly connected to the cone 61.

[0028] The size of the chalk groove 52 corresponds to the chalk, the cross-sectional dimension of the groove 65 is larger than the sum of the cross-sectional dimensions of the fourth fixed block 62 and the cone 61 , and the nut 64 contacts the outer wall of the second scale 2 away from the rotating assembly 3 .

[0029] Working principle: when the teaching staff needs the first scale 1 and the second scale 2 to draw, first make the first scale 1 parallel to the second scale 2 and the blackboard, and after determining the position and angle, press the first suction cup 11 and the second suction cup 39 toward the blackboard to make the entire teaching auxiliary marking device adsorbed on the blackboard, and then tighten the knob 38 to squeeze the second scale 2, the angle ruler 4, the first spacer 33, the first fixed block 34, the second spacer 35, the second fixed block 36 and the third spacer 37 together to achieve the fixing effect. After fixing, you can draw according to the scale. If you need to use the angle ruler 4 during teaching, adjust the angle of the angle ruler 4, tighten the knob 38 to fix it, and the second scale 2, the angle ruler 4, the first spacer 33, the first fixed block 34, the second spacer 35, the second fixed block 36 and the third spacer 37 are squeezed together to achieve the fixing effect. After fixing, you can draw according to the scale. If you need to use the angle ruler 4 during teaching, adjust the angle of the angle ruler 4, tighten the knob 38 to fix it, and The fixed block 34, the second spacer block 35, the second fixed block 36 and the third spacer block 37 are squeezed together to achieve a fixing effect. After fixing, you can draw according to the scale. The compass assembly will be used when the teaching task requires drawing a circle. When in use, put the chalk into the chalk groove 52 and fix it, rotate the nut 64, the nut 64 drives the second rotating shaft 63, the fourth fixed block 62 and the cone 61 to rotate, and the cone 61 is placed against the blackboard to determine the radius of the circle to be drawn. The chalk groove 52 with the chalk is also placed against the blackboard. The entire teaching auxiliary marking device is rotated 360 degrees with the rotating component 3 as the center of the circle to draw a complete circle. When not in use, the nut 64 is rotated again to retract the second rotating shaft 63, the fourth fixed block 62 and the cone 61 into the groove 65.

[0030] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A teaching auxiliary marking device, comprising a first scale (1), a second scale (2) and a rotating assembly (3), characterized in that: A rotating assembly (3) is provided at one end where the first scale (1), the second scale (2) and the angle scale (4) are close to each other. The rotating assembly (3) comprises a rotating shell (31). A first spacer (33) is provided inside the rotating shell (31). The angle scale (4) is fixed on the outer wall of the first spacer (33). A first fixing block (34) is provided at the bottom end of the first spacer (33). A second spacer (35) is provided at the bottom end of the first fixing block (34). A second fixing block (36) is provided at the lower end of the second spacer (35). A third spacer block (37) is arranged at the lower end of the fixed block (36); a first rotating shaft (32) is movably penetrated through the rotating housing (31); a knob (38) is rotatably connected to the top end of the first rotating shaft (32); a second suction cup (39) is fixedly connected to the bottom end of the first rotating shaft (32); a first suction cup (11) is fixedly connected to the outer wall of the bottom end of the first scale (1) away from the rotating assembly (3); and a first compass assembly (5) and a second compass assembly (6) are respectively arranged at the ends of the first scale (1) and the second scale (2) away from each other.

2. A teaching auxiliary marking device according to claim 1, characterized in that: The first compass assembly (5) comprises a third fixed block (51), one end of the third fixed block (51) is fixedly connected to the first scale (1), and the other end of the third fixed block (51) is penetrated by a chalk groove (52).

3. A teaching auxiliary marking device according to claim 2, characterized in that: A groove (65) is provided at the bottom of one end of the second scale (2) away from the first scale (1), and a second rotating shaft (63) is arranged in the groove (65). The second rotating shaft (63) is rotatably connected to the inner wall of the groove (65), and one end of the second rotating shaft (63) movably passes through the groove (65) and the second scale (2). One end of the second rotating shaft (63) arranged outside the second scale (2) is threadedly connected to a nut (64), and one end of the second rotating shaft (63) arranged inside the groove (65) is fixedly connected to a fourth fixing block (62), and the fourth fixing block (62) is fixedly connected to a cone (61).

4. A teaching auxiliary marking device according to claim 1, characterized in that: The first rotating shaft (32) movably passes through the first spacer (33), the first fixed block (34), the second spacer (35), the second fixed block (36) and the third spacer (37), and the knob (38) is arranged on the top of the rotating shell (31) and contacts the rotating shell (31).

5. A teaching auxiliary marking device according to claim 2, characterized in that: The end of the first fixed block (34) away from the first rotating axis (32) is fixedly connected to the second scale (2), and the end of the second fixed block (36) away from the first rotating axis (32) is fixedly connected to the first scale (1).

6. A teaching auxiliary marking device according to claim 3, characterized in that: The size of the chalk groove (52) corresponds to that of the chalk, the cross-sectional dimension of the groove (65) is larger than the sum of the cross-sectional dimensions of the fourth fixed block (62) and the cone (61), and the nut (64) contacts the outer wall of the end of the second scale (2) away from the rotating assembly (3).

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