Scriber for primary school mathematics teaching

Abstract

The utility model relates to the technical field of mathematics teaching, and discloses a scriber for primary school mathematics teaching, which comprises a main body mechanism and a line drawing connecting mechanism, the line drawing connecting mechanism is located above the main body mechanism, and the main body mechanism comprises a straight line scriber body, a storage connecting groove, a fixing through hole, a connecting transverse plate and a mounting block. The storage connecting grooves are fixedly formed in the left end and the right end of the front end of the straight line scriber body, and the fixing through holes are fixedly formed in the left end and the right end of the upper end of the straight line scriber body. According to the scriber for primary school mathematics teaching, through installation of the main body mechanism, the centralized storage and connection capacity of the scriber is improved, in the actual use process, the straight line scriber body can be conveniently connected with the protractor body and the triangular scriber body, storage and taking operation are convenient, and the scriber is convenient to use. And the situation that a certain scriber is lost is not prone to occurring, and the use convenience of the scriber for primary school mathematics teaching is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mathematics teaching, in particular to a marking device for primary school mathematics teaching. Background Art

[0002] When primary schools teach length units or figures in mathematics, they need to use the marker for primary school mathematics teaching to draw lines. The marker can be used to draw lines of different lengths and angles, or to draw different figures.

[0003] The marking tools include rulers, triangles or protractors. However, in the prior art, these marking tools used for primary school mathematics teaching are placed separately and have poor centralized storage and connection capabilities during use. As a result, teachers easily lose them when taking or placing them, which affects the efficiency of finding them and the convenience of use. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The utility model aims to provide a marker for primary school mathematics teaching, so as to solve the problem of poor centralized storage and connection capability of the prior art mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a marker for primary school mathematics teaching, comprising a main body mechanism and a line drawing connection mechanism, wherein the line drawing connection mechanism is located above the main body mechanism, the main body mechanism comprises a straight line marker body, a storage connection groove, a fixed through hole, a connecting cross plate and a mounting block, the storing connection groove is fixedly arranged at the left and right ends of the front end of the straight line marker body, the fixed through hole is fixedly arranged at the left and right ends of the upper end of the straight line marker body, the connecting cross plate is movably installed at the inner end of the storing connection groove, the connecting cross plate is located at the front end of the straight line marker body, and the mounting block is fixedly installed at the upper end of the connecting cross plate.

[0008] Preferably, the main body mechanism also includes a telescopic rod, a fixed sleeve and a return spring, the telescopic rod is fixedly mounted on the upper end of the mounting block, the fixed sleeve is movably mounted on the upper end of the telescopic rod, the return spring is fixedly mounted in the middle of the mounting block and the fixed sleeve, and the return spring is located at the outer end of the telescopic rod.

[0009] Preferably, the line drawing connection mechanism includes a straight line scale line, a circular groove, a square groove, a triangular groove, a protractor body, a first connecting groove, a first connecting rod, a first limit block, a protractor scale line, a triangular line drawing body, a second connecting groove, a second connecting rod, a second limit block and a triangular line drawing scale line, and the straight line scale line is fixedly mounted on the upper end of the straight line drawing body.

[0010] Preferably, the circular groove is fixedly set on the upper end of the straight line marker body, the square groove is fixedly set on the upper end of the straight line marker body, the square groove is located on the right side of the circular groove, and the triangular groove is fixedly set on the upper end of the straight line marker body, the triangular groove is located on the right side of the square groove.

[0011] Preferably, the protractor body is movably mounted on the front end of the left end connecting horizontal plate, the first connecting groove is fixedly arranged at the rear end of the protractor body, the first connecting rod is fixedly mounted on the front end of the left end connecting horizontal plate, the first limit block is fixedly mounted on the front end of the first connecting rod, and the protractor scale line is fixedly mounted on the upper end of the protractor body.

[0012] Preferably, the triangular marker body is movably mounted on the front end of the right end connecting horizontal plate, the second connecting groove is fixedly arranged on the rear end of the triangular marker body, the second connecting rod is fixedly mounted on the front end of the right end connecting horizontal plate, the second limit block is fixedly mounted on the front end of the second connecting rod, and the triangular marker scale line is fixedly mounted on the upper end of the triangular marker body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The marker for elementary school mathematics teaching has improved centralized storage and connection capabilities through the installation of the main body. In actual use, the straight line marker body can be conveniently connected with the protractor body and the triangle marker body, which is convenient for storage and taking out homework, and it is not easy to lose one of them, thereby improving the convenience of use of the marker for elementary school mathematics teaching;

[0015] 2. The marking device for primary school mathematics teaching has improved the marking and connection and disassembly capabilities of the utility model by installing a marking connection mechanism. In actual use, the marking operation can be conveniently performed according to the needs of use, and the protractor body, the triangle marking device body and the connecting horizontal plate can be mechanically installed and disassembled, which is convenient for performing different marking operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2This is a schematic diagram of the three-dimensional split structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the enlarged structure of the local details of the main mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the enlarged structure of the local details of the line drawing connection mechanism of the utility model.

[0020] In the figure: 1. main body; 101. straight line marker body; 102. storage connection groove; 103. fixed through hole; 104. connecting horizontal plate; 105. mounting block; 106. telescopic rod; 107. fixed sleeve; 108. reset spring; 2. line drawing connection mechanism; 201. straight line scale line; 202. circular groove; 203. square groove; 204. triangular groove; 205. protractor body; 206. first connection groove; 207. first connecting rod; 208. first limit block; 209. protractor scale line; 210. triangular marker body; 211. second connection groove; 212. second connecting rod; 213. second limit block; 214. triangular marker scale line. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a line marker for primary school mathematics teaching, comprising a main body mechanism 1 and a line drawing connection mechanism 2, the line drawing connection mechanism 2 is located above the main body mechanism 1, the main body mechanism 1 comprises a straight line marker body 101, a receiving connection groove 102, a fixed through hole 103, a connecting cross plate 104 and a mounting block 105, the receiving connection groove 102 is fixedly arranged at the left and right ends of the front end of the straight line marker body 101, the fixed through hole 103 is fixedly arranged at the left and right ends of the upper end of the straight line marker body 101, the connecting cross plate 104 is movably installed at the inner end of the receiving connection groove 102, the connecting cross plate 104 is located at the front end of the straight line marker body 101, and the mounting block 105 is installed. The block 105 is fixedly mounted on the upper end of the connecting cross plate 104. The main body mechanism 1 also includes a telescopic rod 106, a fixed sleeve 107 and a reset spring 108. The telescopic rod 106 is fixedly mounted on the upper end of the mounting block 105. The fixed sleeve 107 is movably mounted on the upper end of the telescopic rod 106. The reset spring 108 is fixedly mounted in the middle of the mounting block 105 and the fixed sleeve 107. The reset spring 108 is located at the outer end of the telescopic rod 106. Pressing the fixed sleeve 107 drives the fixed sleeve 107 to extend and retract on the telescopic rod 106 through the reset spring 108, and the connecting cross plate 104 is inserted into the receiving connection groove 102, and the fixed sleeve 107 is inserted into the fixed through hole 103.

[0023] The line drawing connection mechanism 2 includes a straight line scale line 201, a circular groove 202, a square groove 203, a triangular groove 204, a protractor body 205, a first connecting groove 206, a first connecting rod 207, a first stop block 208, a protractor scale line 209, a triangular marker body 210, a second connecting groove 211, a second connecting rod 212, a second stop block 213 and a triangular marker scale line 214. The straight line scale line 201 is fixedly mounted on the upper end of the straight line marker body 101, the circular groove 202 is fixedly mounted on the upper end of the straight line marker body 101, the square groove 203 is fixedly mounted on the upper end of the straight line marker body 101, the square groove 203 is located on the right side of the circular groove 202, the triangular groove 204 is fixedly mounted on the upper end of the straight line marker body 101, the triangular groove 204 is located on the right side of the square groove 203, and the protractor body 205 is movably mounted on the front of the left end connecting the horizontal plate 104 The first connecting groove 206 is fixedly arranged at the rear end of the protractor body 205, the first connecting rod 207 is fixedly installed at the front end of the left end connecting horizontal plate 104, the first limiting block 208 is fixedly installed at the front end of the first connecting rod 207, the protractor scale line 209 is fixedly installed at the upper end of the protractor body 205, the triangular marker body 210 is movably installed at the front end of the right end connecting horizontal plate 104, the second connecting groove 211 is fixedly arranged at the rear end of the triangular marker body 210, the second connecting rod 212 is fixedly installed at the front end of the right end connecting horizontal plate 104, the second limiting block 213 is fixedly installed at the front end of the second connecting rod 212, and the triangular marker scale line 214 is fixedly installed at the upper end of the triangular marker body 210, the first connecting rod 207 and the first limiting block 208 are erected and placed in the first connecting groove 206 on the protractor body 205, and then the first connecting rod 207 and the first limiting block 208 are horizontally placed in front of the first connecting groove 206.

[0024] Working principle: When it is needed, firstly, the first connecting rod 207 and the first limiting block 208 are erected and placed into the first connecting groove 206 on the protractor body 205, and then the first connecting rod 207 and the first limiting block 208 are placed horizontally in front of the first connecting groove 206, and the protractor body 205 is connected to the connecting horizontal plate 104. The triangle marker body 210 is connected to the second connecting horizontal plate 104 through the above operation, and then the fixed sleeve 107 is pressed to drive the fixed sleeve 107 to extend and retract on the telescopic rod 106 through the reset spring 108, and the connecting horizontal plate 104 is inserted into the storage connecting groove 1 02, insert the fixed sleeve 107 into the fixed through hole 103, connect the connecting cross plate 104 with the straight line marker body 101, and connect the straight line marker body 101 with the protractor body 205 and the triangular marker body 210 as a whole and place them together, so that it is convenient to disassemble them later. The required graphics can be drawn through the circular groove 202, the square groove 203 and the triangular groove 204, the required lines can be drawn through the straight line scale line 201 and the triangular marker scale line 214, and the angle of the graphic or the angle value of the intersection of two lines can be measured through the protractor scale line 209.

[0025] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A marking device for primary school mathematics teaching, comprising a main body mechanism (1) and a marking connection mechanism (2), characterized in that: The line drawing connection mechanism (2) is located above the main mechanism (1). The main mechanism (1) comprises a straight line drawing device body (101), a receiving connection groove (102), a fixing through hole (103), a connecting transverse plate (104) and a mounting block (105). The receiving connection groove (102) is fixedly arranged at the left and right ends of the front end of the straight line drawing device body (101). The fixing through hole (103) is fixedly arranged at the left and right ends of the upper end of the straight line drawing device body (101). The connecting transverse plate (104) is movably mounted at the inner end of the receiving connection groove (102). The connecting transverse plate (104) is located at the front end of the straight line drawing device body (101). The mounting block (105) is fixedly mounted at the upper end of the connecting transverse plate (104).

2. The marker for elementary school mathematics teaching according to claim 1, characterized in that: The main body mechanism (1) further comprises a telescopic rod (106), a fixed sleeve (107) and a return spring (108); the telescopic rod (106) is fixedly mounted on the upper end of the mounting block (105); the fixed sleeve (107) is movably mounted on the upper end of the telescopic rod (106); the return spring (108) is fixedly mounted in the middle of the mounting block (105) and the fixed sleeve (107); and the return spring (108) is located at the outer end of the telescopic rod (106).

3. The marker for elementary school mathematics teaching according to claim 2, characterized in that: The line drawing connection mechanism (2) comprises a straight line scale line (201), a circular groove (202), a square groove (203), a triangular groove (204), a protractor body (205), a first connecting groove (206), a first connecting rod (207), a first stop block (208), a protractor scale line (209), a triangular line drawing body (210), a second connecting groove (211), a second connecting rod (212), a second stop block (213) and a triangular line drawing scale line (214), wherein the straight line scale line (201) is fixedly mounted on the upper end of the straight line drawing body (101).

4. The marker for elementary school mathematics teaching according to claim 3, characterized in that: The circular groove (202) is fixedly arranged at the upper end of the straight line marker body (101), the square groove (203) is fixedly arranged at the upper end of the straight line marker body (101), the square groove (203) is located on the right side of the circular groove (202), and the triangular groove (204) is fixedly arranged at the upper end of the straight line marker body (101), the triangular groove (204) is located on the right side of the square groove (203).

5. The marker for elementary school mathematics teaching according to claim 4, characterized in that: The protractor body (205) is movably mounted on the front end of the left end connecting transverse plate (104), the first connecting groove (206) is fixedly arranged on the rear end of the protractor body (205), the first connecting rod (207) is fixedly mounted on the front end of the left end connecting transverse plate (104), the first limit block (208) is fixedly mounted on the front end of the first connecting rod (207), and the protractor scale line (209) is fixedly mounted on the upper end of the protractor body (205).

6. The marker for elementary school mathematics teaching according to claim 5, characterized in that: The triangular marker body (210) is movably mounted on the front end of the right end connecting horizontal plate (104), the second connecting groove (211) is fixedly arranged on the rear end of the triangular marker body (210), the second connecting rod (212) is fixedly mounted on the front end of the right end connecting horizontal plate (104), the second limit block (213) is fixedly mounted on the front end of the second connecting rod (212), and the triangular marker scale line (214) is fixedly mounted on the upper end of the triangular marker body (210).

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