Fractional demonstration device for teaching
By designing a score demonstration device with Braille lettering and magnetic connection, the problem that blind children and visually impaired students cannot intuitively feel the score area, achieving more efficient teaching results.
Patent Information
- Application Number
- CN202421309948.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The traditional vision-based score demonstration device cannot meet the learning needs of blind children and visually impaired students. Students cannot intuitively feel the area occupied between the pointers, resulting in poor teaching results.
A teaching score demonstration device is designed, including a circular bearing seat, annular groove, a fixed column, a rotating sleeve and a roll of paper. Braille engraving is installed on the surface of the roll of paper, which is easy to operate through magnetic connections and knobs, and students can feel different through touch. The area of the fraction.
Through Braille engraving and magnetic connection, students can directly feel the meaning of different scores, which significantly improves the teaching effect and allows students to understand the concept of scores more intuitively.
Smart Images
Figure CN222145673U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of educational supplies, in particular to a fraction demonstration device for teaching. Background Art
[0002] In the field of special education technology, learning and understanding fractions has always been a challenge for blind children and other visually impaired students. Due to the visual limitations of these students, traditional vision-based fraction demonstration devices cannot meet their learning needs.
[0003] Traditional fraction demonstration devices mostly indicate by means of pointers, and students feel by touch. However, this method is not intuitive, and students cannot directly feel the occupied area formed by the two pointers, resulting in poor teaching results.
[0004] Therefore, a teaching fraction demonstration device is needed to improve the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to provide a teaching fraction demonstration device to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A fraction demonstration device for teaching comprises a circular supporting seat, a circular groove is provided in the middle of the upper surface of the supporting seat, an annular groove is provided on the side of the circular groove, a fixing column is fixedly connected to the middle of the circular groove, and a fixing shaft is rotatably connected to the fixing column, a sleeve is rotatably sleeved on the outer side of the fixing shaft, a paper roll is stretched and wound on the sleeve, and a positioning piece is provided at one end of the paper roll, a sleeve groove is provided on the outer side of the upper surface of the supporting seat, and an indicator piece is matchedly provided in the sleeve groove.
[0008] As a preferred solution of the utility model, the positioning member includes a fixing strip fixedly connected to one end of the paper roll, and one end of the fixing strip is fixedly connected to a swivel, the swivel cooperates with the fixing column to be connected for limited rotation, and the other end of the fixing strip has a limiting protrusion, which extends to the inside of the annular groove.
[0009] As a preferred solution of the present invention, the fixing strip is magnetic.
[0010] As a preferred solution of the utility model, the surface of the roll of paper is rough, which is convenient for users to feel.
[0011] As a preferred solution of the utility model, one end of the sleeve is fixedly connected to a knob, and the knob is rotatably connected to the fixed shaft.
[0012] As a preferred solution of the utility model, the indicator is a ring that cooperates with the sleeve groove, and a plurality of Braille characters are provided on the ring.
[0013] As a preferred solution of the utility model, the collar is made of iron, a magnet is embedded on the lower surface of the sleeve groove, and the collar is magnetically connected to the magnet.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model provides a retractable roll of paper on the outer side of a fixed shaft in conjunction with the instructions in Braille on the sleeve ring, so that students can fully feel the meanings represented by different fractions when using the paper, and can directly understand the fractions represented by multiple fractions in conjunction with the Braille, thereby improving the teaching effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 It is a top view of the utility model;
[0018] Figure 3 For this utility model Figure 1 The enlarged view of point A in the middle;
[0019] Figure 4 It is a cross-sectional view of the utility model.
[0020] In the figure: a bearing seat 1, a collar 2, an annular groove 3, a fixing column 4, a rotating ring 5, a fixing strip 6, a paper roll 7, a sleeve 8, a knob 9, a circular groove 10, Braille lettering 11, a protruding end 12, a magnet 13, and a fixing shaft 14. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0025] See also Figure 1-4 , the utility model provides a technical solution:
[0026] For example, please refer to Figure 1 , 2 , 3 and 4, a teaching fraction demonstration device, comprising a circular supporting seat 1, a circular groove 10 is provided in the middle of the upper surface of the supporting seat 1, an annular groove 3 is provided on the side of the circular groove 10, a fixing column 4 is fixedly connected to the middle of the circular groove 10, and a fixing shaft 14 is rotatably connected to the fixing column 4, a sleeve 8 is rotatably sleeved on the outer side of the fixing shaft 14, a knob 9 is fixedly connected to one end of the sleeve 8, and the knob 9 is rotatably connected to the fixing shaft 14, the sleeve 8 is stretchably wound with a roll of paper 7, and a positioning member is provided at one end of the roll of paper 7, a sleeve groove is provided on the outer side of the upper surface of the supporting seat 1, and an indicator is matched in the sleeve groove.
[0027] The roll of paper 7 is pulled by the positioning piece, and the surface that is unfolded by pulling is the score it represents. With the help of the indicator, students can intuitively understand the score it represents. The roll of paper 7 can be wound up to change its display area. It is easy to use. The roll of paper 7 can be rolled up by the knob 9.
[0028] Please refer to Figure 1 , 2 And 3, the positioning member includes a fixing strip 6 fixedly connected to one end of the paper roll 7, and one end of the fixing strip 6 is fixedly connected to a swivel 5, the swivel 5 cooperates with the fixing column 4 to limit rotation connection, the other end of the fixing strip 6 has a limiting convex portion, the limiting convex portion extends to the inside of the annular groove 3, the fixing strip 6 is magnetic, and the surface of the paper roll 7 is a rough surface, which is convenient for users to feel.
[0029] The supporting base 1 is made of metal as a whole, and the fixing strip 6 can be magnetically positioned with the supporting base 1 to facilitate positioning for display. The limiting protrusion cooperates with the annular groove 3 to maintain stable rotation during rotation. The surface of the paper roll 7 is rough, which is convenient for users to feel. Students can intuitively feel the area occupied by the representative score, thereby improving the teaching effect.
[0030] Please refer to Figure 1 , 2 and 3, the indicator is a ring 2 that cooperates with the sleeve groove, and a plurality of Braille characters 11 are provided on the ring 2. The ring 2 is made of iron, and a magnet 13 is inlaid on the lower surface of the sleeve groove. The ring 2 is magnetically connected to the magnet 13.
[0031] The sleeve ring 2 can be easily disassembled and replaced according to the teaching content when in use. The Braille lettering 11 can be replaced according to the different teaching contents to meet the needs of teaching at different stages.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fraction demonstration device for teaching, comprising a circular supporting seat (1), characterized in that: A circular groove (10) is provided in the middle of the upper surface of the bearing seat (1), and an annular groove (3) is provided on the side of the circular groove (10). A fixing column (4) is fixedly connected to the middle of the circular groove (10), and a fixing shaft (14) is rotatably connected to the fixing column (4). A sleeve (8) is rotatably sleeved on the outer side of the fixing shaft (14), and a paper roll (7) is stretched and wound on the sleeve (8), and a positioning member is provided at one end of the paper roll (7). A sleeve groove is provided on the outer side of the upper surface of the bearing seat (1), and an indicator member is provided in the sleeve groove.
2. The teaching fraction demonstration device according to claim 1, characterized in that: The positioning member comprises a fixing strip (6) fixedly connected to one end of the paper roll (7), one end of the fixing strip (6) being fixedly connected to a rotating ring (5), the rotating ring (5) being connected to the fixing column (4) in a limited rotational manner, and the other end of the fixing strip (6) having a limiting convex portion, the limiting convex portion extending into the interior of the annular groove (3).
3. The teaching fraction demonstration device according to claim 2, characterized in that: The fixing strip (6) is magnetic.
4. The teaching fraction demonstration device according to any one of claims 1 to 3, characterized in that: The surface of the roll paper (7) is a rough surface, which is convenient for users to feel.
5. The teaching fraction demonstration device according to claim 4, characterized in that: One end of the sleeve (8) is fixedly connected to a knob (9), and the knob (9) is rotatably connected to a fixed shaft (14).
6. The teaching fraction demonstration device according to claim 4, characterized in that: The indicator is a sleeve ring (2) that cooperates with the sleeve groove, and a plurality of Braille characters (11) are provided on the sleeve ring (2).
7. The teaching fraction demonstration device according to claim 6, characterized in that: The sleeve ring (2) is made of iron material, and a magnet (13) is inlaid on the lower surface of the sleeve groove, and the sleeve ring (2) is connected to the magnet (13) by magnetic attraction.