Pre-learning mathematics addition and subtraction training device

Abstract

The utility model relates to the field of pre-learning mathematics addition and subtraction, in particular to a pre-learning mathematics addition and subtraction training device which comprises a concentric-square-shaped block, a dismounting assembly is arranged on the surface of the concentric-square-shaped block, a splicing assembly is arranged on the surface of the bottom of the concentric-square-shaped block, the dismounting assembly comprises a sleeve fixed to the inner wall of the concentric-square-shaped block, and a sliding groove is formed in the surface of the sleeve. A spring is arranged in the sleeve, a convex column is movably connected to the interior of the sleeve, a first sliding column is fixed to the surface of the convex column, a second sliding column is fixed to the side surface of the convex column, the disassembling assembly further comprises a U-shaped rod arranged on the surface of the concentric-square-shaped block, a limiting hole is formed in the surface of the U-shaped rod, and an annular block is fixed to the surface of the U-shaped rod. The sleeve and the U-shaped rod are arranged in the dismounting assembly, so that when a user slides the first sliding column, the first sliding column can drive the convex column to slide, then the convex column is separated from the limiting hole in the surface of the U-shaped rod, and the U-shaped rod and the abacus beads are convenient to dismount, maintain and replace.

Description

Technical Field

[0001] The utility model relates to the field of preschool mathematics addition and subtraction, in particular to a preschool mathematics addition and subtraction training device. Background Art

[0002] The Preschool Math Addition and Subtraction Training Device is an effective educational tool that helps children learn math in a relaxed and enjoyable atmosphere. By combining physical manipulation with book resources, it can comprehensively improve children's math ability.

[0003] Regarding the above-mentioned related technologies, the inventors believe that the following defects exist: the currently used traditional addition and subtraction learning devices have certain defects, and lack a convenient U-shaped rod disassembly and assembly mechanism, which makes it inconvenient to disassemble and maintain the U-shaped rod and beads. Utility Model Content

[0004] In order to improve certain defects of the traditional addition and subtraction learning device, such as the lack of a convenient disassembly and assembly mechanism of the U-shaped rod, which makes it inconvenient to disassemble and maintain the U-shaped rod and beads, the present application provides a preschool mathematics addition and subtraction training device.

[0005] The present application provides a preschool mathematics addition and subtraction training device adopts the following technical solution: a preschool mathematics addition and subtraction training device, comprising a circular block, a disassembly component provided on the surface of the circular block, and a splicing component provided on the bottom surface of the circular block, the disassembly component comprising a sleeve fixed to the inner wall of the circular block, a sliding groove provided on the surface of the sleeve, and a spring provided inside the sleeve, a convex column movably connected to the interior of the sleeve, a sliding column 1 fixed on the surface of the convex column, and a sliding column 2 fixed on the side surface of the convex column, the disassembly component also comprising a U-shaped rod provided on the surface of the circular block, a limiting hole provided on the surface of the U-shaped rod, a ring block fixed on the surface of the U-shaped rod, and a counting bead movably connected to the surface of the U-shaped rod.

[0006] It is further configured that the bottom surface of the beads contacts the top surface of the annular block, and the surface of the first slide column contacts the inner wall of the slide groove.

[0007] It is further provided that the surface of the boss contacts the inner wall of the sleeve, and the side surface of the spring contacts the side surface of the boss.

[0008] It is further provided that the inner wall of the limiting hole contacts the surface of the convex column, and the circular block forms a movable structure with the U-shaped rod through the through hole.

[0009] It is further configured that the splicing assembly includes a rectangular plate fixed to the surface of the circular block, multiple groups of cylinders are fixed to the surface of the rectangular plate, and the splicing assembly includes a card block fixed to the bottom surface of the circular block, and a magnetic block is fixed to the bottom surface of the card block.

[0010] It is further configured that the splicing assembly includes a concave plate provided on the bottom surface of the circular block, and a plurality of annular grooves are provided on the top surface of the concave plate, a U-shaped plate is fixed to the bottom surface of the concave plate, and a clip is fixed to the surface of the U-shaped plate, a note is provided inside the clip, a fixing plate is fixed to the inner wall of the U-shaped plate, and a magnetic block 2 is fixed to the top surface of the fixing plate.

[0011] Compared with the related art, the preschool mathematics addition and subtraction training device provided by the present invention has the following beneficial effects:

[0012] The utility model provides a preschool mathematics addition and subtraction training device, which is provided with a disassembly component on the surface of a circular block, and a sleeve and a U-shaped rod are provided inside the disassembly component. When a user slides a sliding column, the sliding column can drive a convex column to slide, thereby separating the convex column from the limiting hole on the surface of the U-shaped rod, thereby facilitating the disassembly of the U-shaped rod and the beads, and facilitating maintenance and replacement.

[0013] The utility model provides a preschool mathematics addition and subtraction training device, which adopts a splicing component installed on the surface of a circular block, and a rectangular plate and a cylinder are arranged inside the splicing component, so that users can use rubber bands to display geometry on the surface of the rectangular plate, which is convenient for teaching geometry. At the same time, due to the design of the first magnetic block and the second magnetic block, multiple groups of rectangular plates can be spliced ​​into a whole, and the geometric display effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a preferred embodiment of a preschool mathematics addition and subtraction training device provided by the utility model;

[0015] Figure 2 This is the main view of the utility model;

[0016] Figure 3 This is a top view of the utility model;

[0017] Figure 4 It is a side view of the utility model.

[0018] Numbers in the figure: 1. Circular block; 2. Disassembly assembly; 201. Sleeve; 202. Slide groove; 203. Spring; 204. Boss; 205. Slide column one; 206. Slide column two; 207. U-shaped rod; 208. Limiting hole; 209. Ring block; 210. Beads; 3. Splicing assembly; 301. Rectangular plate; 302. Cylinder; 303. Block; 304. Magnetic block one; 305. Concave plate; 306. Annular groove; 307. U-shaped plate; 308. Clip; 309. Note; 310. Fixed plate; 311. Magnetic block two. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the accompanying drawings, in which typical embodiments of the present invention are shown.

[0020] Example 1:

[0021] like Figure 1-4 As shown, a preschool mathematics addition and subtraction training device of the present invention includes a circular block 1, a disassembly component 2 is provided on the surface of the circular block 1, and a splicing component 3 is provided on the bottom surface of the circular block 1, the disassembly component 2 includes a sleeve 201 fixed to the inner wall of the circular block 1, a sliding groove 202 is provided on the surface of the sleeve 201, and a spring 203 is provided inside the sleeve 201, a boss 204 is movably connected to the inside of the sleeve 201, a sliding column 1 205 is fixed on the surface of the boss 204, and a sliding column 206 is fixed on the side surface of the boss 204, the disassembly component 2 also includes a U-shaped rod 207 provided on the surface of the circular block 1, and a limiting hole 208 is provided on the surface of the U-shaped rod 207, an annular block 209 is fixed on the surface of the U-shaped rod 207, and a counting bead 210 is movably connected to the surface of the U-shaped rod 207.

[0022] like Figure 1-4 As shown, the bottom surface of the bead 210 contacts the top surface of the annular block 209 , and the surface of the slide column 205 contacts the inner wall of the slide groove 202 .

[0023] like Figure 1-4 As shown, the surface of the boss 204 contacts the inner wall of the sleeve 201 , and the side surface of the spring 203 contacts the side surface of the boss 204 .

[0024] like Figure 1-4 As shown, the inner wall of the limiting hole 208 contacts the surface of the protruding column 204 , and the circular block 1 forms a movable structure with the U-shaped rod 207 through the through hole.

[0025] During implementation, when the U-shaped rod 207 and the counting beads 210 need to be disassembled, the sliding column 205 is slid, and the sliding column 205 drives the protrusion 204 to slide, so that the protrusion 204 is separated from the limiting hole 208 on the surface of the U-shaped rod 207. The U-shaped rod 207 and the counting beads 210 can be disassembled by sliding, which is convenient for maintenance and replacement.

[0026] Example 2:

[0027] like Figure 1-4 As shown, based on the first embodiment, the present invention provides a technical solution: the splicing component 3 includes a rectangular plate 301 fixed to the surface of the circular block 1, and multiple groups of cylinders 302 are fixed on the surface of the rectangular plate 301. The splicing component 3 includes a clamping block 303 fixed to the bottom surface of the circular block 1, and a magnetic block 304 is fixed to the bottom surface of the clamping block 303.

[0028] like Figure 1-4 As shown, the splicing assembly 3 includes a concave plate 305 provided on the bottom surface of the circular block 1, and a plurality of annular grooves 306 are provided on the top surface of the concave plate 305. A U-shaped plate 307 is fixed to the bottom surface of the concave plate 305, and a clip 308 is fixed to the surface of the U-shaped plate 307. A note 309 is provided inside the clip 308. A fixing plate 310 is fixed to the inner wall of the U-shaped plate 307, and a magnetic block 2 311 is fixed to the top surface of the fixing plate 310.

[0029] During implementation, since an annular groove 306 is provided on the surface of the concave plate 305, it can be used in conjunction with the clamping block 303, making it convenient to splice together multiple groups of circular blocks 1, and also convenient to splice together multiple groups of rectangular plates 301 into a whole. The setting of the rectangular plate 301 and the cylinder 302 makes it convenient for users to use rubber bands to display geometry on the surface of the rectangular plate 301, which is convenient for teaching geometry.

[0030] The advantages of this technical solution in practical applications include but are not limited to the following:

[0031] 1. The interior of the disassembly assembly 2 is provided with a sleeve 201 and a U-shaped rod 207. When the user slides the slide post 1 205, the slide post 1 205 can drive the boss 204 to slide, thereby separating the boss 204 from the limiting hole 208 on the surface of the U-shaped rod 207, thereby facilitating the disassembly of the U-shaped rod 207 and the beads 210, and facilitating maintenance and replacement;

[0032] 2. The rectangular plate 301 and the cylinder 302 are provided inside the splicing component 3, which makes it convenient for users to use rubber bands to display geometry on the surface of the rectangular plate 301, which is convenient for teaching geometry. At the same time, due to the design of the magnetic block 1 304 and the magnetic block 2 311, multiple groups of rectangular plates 301 can be spliced ​​into a whole, and the geometric display effect is better.

[0033] When the U-shaped rod 207 and the counting beads 210 need to be disassembled in the present technical solution, the sliding column 205 is slid, and the sliding column 205 drives the protruding column 204 to slide, so that the protruding column 204 is separated from the limiting hole 208 on the surface of the U-shaped rod 207. The U-shaped rod 207 and the counting beads 210 can be disassembled by sliding, which is convenient for maintenance and replacement. Since an annular groove 306 is provided on the surface of the concave plate 305, it can be used in conjunction with the card block 303 to facilitate splicing together multiple groups of circular blocks 1, and also to facilitate splicing multiple groups of rectangular plates 301 into a whole. The arrangement of the rectangular plate 301 and the cylinder 302 makes it convenient for users to use rubber bands to demonstrate geometry on the surface of the rectangular plate 301, which is convenient for teaching geometry.

[0034] The above are merely exemplary embodiments of the present disclosure and are not intended to limit the scope of the present disclosure. That is, any equivalent variations and modifications made in accordance with the teachings of the present disclosure are still within the scope of the present disclosure. This application is intended to cover any variations, uses, or adaptations of the present disclosure, including those that adhere to the general principles of the present disclosure and include common knowledge or customary techniques in the art not described in the present disclosure.

Claims

1. A preschool mathematics addition and subtraction training device, comprising a circular block (1), characterized in that: The surface of the circular block (1) is provided with a disassembly component (2), and the bottom surface of the circular block (1) is provided with a splicing component (3); The disassembly assembly (2) includes a sleeve (201) fixed to the inner wall of the circular block (1), a sliding groove (202) is provided on the surface of the sleeve (201), and a spring (203) is provided inside the sleeve (201), a boss (204) is movably connected inside the sleeve (201), a sliding column (205) is fixed on the surface of the boss (204), and a sliding column (206) is fixed on the side surface of the boss (204), the disassembly assembly (2) also includes a U-shaped rod (207) provided on the surface of the circular block (1), a limiting hole (208) is provided on the surface of the U-shaped rod (207), an annular block (209) is fixed on the surface of the U-shaped rod (207), and a counting bead (210) is movably connected to the surface of the U-shaped rod (207).

2. A preschool mathematics addition and subtraction training device according to claim 1, characterized in that: The bottom surface of the counting bead (210) contacts the top surface of the annular block (209), and the surface of the sliding column (205) contacts the inner wall of the sliding groove (202).

3. A preschool mathematics addition and subtraction training device according to claim 1, characterized in that: The surface of the boss (204) contacts the inner wall of the sleeve (201), and the side surface of the spring (203) contacts the side surface of the boss (204).

4. A preschool mathematics addition and subtraction training device according to claim 1, characterized in that: The inner wall of the limiting hole (208) contacts the surface of the convex column (204), and the circular block (1) forms a movable structure with the U-shaped rod (207) through the through hole.

5. A preschool mathematics addition and subtraction training device according to claim 1, characterized in that: The splicing assembly (3) includes a rectangular plate (301) fixed to the surface of the circular block (1), a plurality of groups of cylinders (302) are fixed to the surface of the rectangular plate (301), and the splicing assembly (3) includes a clamping block (303) fixed to the bottom surface of the circular block (1), and a magnetic block (304) is fixed to the bottom surface of the clamping block (303).

6. A preschool mathematics addition and subtraction training device according to claim 1, characterized in that: The splicing assembly (3) includes a concave plate (305) provided on the bottom surface of the circular block (1), and a plurality of annular grooves (306) are provided on the top surface of the concave plate (305). A U-shaped plate (307) is fixed to the bottom surface of the concave plate (305), and a clip (308) is fixed to the surface of the U-shaped plate (307). A note (309) is provided inside the clip (308). A fixed plate (310) is fixed to the inner wall of the U-shaped plate (307), and a second magnetic block (311) is fixed to the top surface of the fixed plate (310).

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