CN219891795U

CN219891795U - Primary school mathematics arithmetic demonstration teaching aid

Info

Publication number: CN219891795U
Application number: CN202222360228.4U
Authority: CN
Inventors: 李培
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-10-24
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a primary school mathematics arithmetic demonstration teaching aid, which relates to the technical field of teaching aids and comprises a display board, wherein a front protection component and a rear protection component are arranged on two sides of the display board, so that the primary school mathematics arithmetic demonstration teaching aid can be opened to serve as a support frame to lift the display board when in use, is convenient for students to observe, can retract the two protection components when in idle, can play a role of protecting the display board and parts inside the display board, can play a role of a handle, and is convenient for teachers to carry. Through setting up a plurality of demonstration subassemblies and can calculate according to the teaching needs of mathematics, satisfy primary school's mathematical education demand, utilize this demonstration teaching aid can fully transfer student's study interest, make the better study mathematical knowledge of student. Through setting up the disinfection subassembly, can utilize disinfection subassembly bottom brush hair to clean its surface with the antiseptic solution when rotating demonstration subassembly, can accomplish timely disinfection clean effect.

Description

Primary school mathematics arithmetic demonstration teaching aid

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a primary school mathematics arithmetic demonstration teaching aid.

Background

The teaching aid refers to a model, a physical object, a specimen, an instrument, a chart, a slide show and the like for explaining something, and comprises teaching equipment, a teaching instrument, practical training equipment, educational equipment, experimental equipment, a teaching specimen, a teaching model and the like. In order to excite the learning interest of students in the primary school mathematics teaching process, arithmetic demonstration teaching aids are often used, so that the fun of mathematics teaching is increased, and the students can quickly learn algorithms.

As the pupil initially contacts mathematics, the addition, subtraction, multiplication and division operation mathematics teacher in mathematics generally adopts a blackboard and chalk to give lessons and teaching, and the interactivity of the student and the teacher is poor, so that the student cannot keep up with the learning rhythm of the teacher, the learning efficiency is reduced, in addition, the addition, subtraction, multiplication and division operation teaching is quite boring, the student lacks learning interest to mathematics, and the development of mathematics teaching work is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a primary school mathematics arithmetic demonstration teaching aid, which solves the problems that a mathematics teacher adopts a blackboard and chalk to give lessons and the interactivity of students is poor, so that the students cannot keep up with the learning rhythm of the teacher, the learning efficiency of the students is reduced, the learning enthusiasm of the students cannot be mobilized by the traditional mathematics teaching mode, and the development of mathematics teaching work is not facilitated.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a primary school's mathematics arithmetic demonstration teaching aid, includes the show board, both sides wall all rotates respectively through the hinge and is connected with preceding protection subassembly and back protection subassembly around the show board, a plurality of movable cavities have evenly been seted up in the front of show board, and the mounting groove that is linked together with the movable cavity inside has been seted up at the top of show board, the inside of mounting groove is through bolt fixedly connected with disinfection subassembly, every the equal fixedly connected with regulating spindle in inside in movable cavity, and movable cavity bottom fixedly connected with LED lamp strip, wherein two are continuous rotate the cover on the regulating spindle outer wall and be equipped with square piece, and all rotate the cover on the outer wall of other regulating spindles and be equipped with demonstration subassembly.

The disinfection subassembly includes the disinfection box, the inside of disinfection box is hollow structure, and the inside fixedly connected with sponge of cavity of disinfection box, the bottom of sponge is fixed to be provided with the brush hair, the annotate liquid hole that is linked together with its cavity is seted up at the top of disinfection box.

Further, preceding protection component and back protection component are two structural identical components, preceding protection component includes guard plate and fixed connection at the handle at the guard plate top, lifting rectangular hole and magnet mounting groove have been seted up to a lateral wall of handle, and the inside fixedly connected with powerful magnet piece in magnet mounting groove.

Further, the demonstration assembly comprises a first demonstration block, a second demonstration block and a third demonstration block, wherein the first demonstration block, the second demonstration block and the third demonstration block are all decaprism bodies with the same structure, and ten faces of the first demonstration block, the second demonstration block and the third demonstration block are sequentially provided with ten Arabic numerals from zero to ten respectively.

Further, the square blocks are of cube structures, four operation symbols of addition, subtraction, multiplication and division are respectively arranged on four faces of one square block, and equal signs and unequal signs are respectively arranged on two faces of the other square block.

Further, a battery groove is formed in the bottom of the display board, a lithium battery is arranged in the battery groove and is electrically connected with the LED lamp strip through wires.

Further, the bottom of the disinfection assembly is connected with the top of the demonstration assembly and the square block.

Advantageous effects

The utility model provides a primary school mathematics arithmetic demonstration teaching aid. Compared with the prior art, the method has the following beneficial effects:

1. primary school's mathematics arithmetic demonstration teaching aid through set up preceding protective component and back protective component in the both sides of show board, can open it when using and raise the show board as the support frame, be convenient for the student observe, can pack up two protective components when idle, not only can play the effect of protection show board and inside spare part, can play the effect of handle simultaneously moreover, the teacher of being convenient for carries.

2. Primary school's mathematics arithmetic demonstration teaching aid through setting up a plurality of demonstration subassemblies and can calculate according to the teaching needs of mathematics to every demonstration subassembly can satisfy the operation needs of three digits and below, satisfies primary school's mathematics teaching needs, utilizes this demonstration teaching aid can fully mobilize student's study interest, improves student and mr's interactivity, makes the better study mathematical knowledge of student.

3. The utility model provides a primary school's mathematics arithmetic demonstration teaching aid through setting up disinfection subassembly, can utilize disinfection subassembly bottom brush hair to clean its surface with the antiseptic solution when rotating demonstration subassembly, can accomplish timely disinfection clear effect, avoids in the interactive in-process with the student, the condition that hand bacterium takes place cross infection, has guaranteed student, mr's health.

Drawings

FIG. 1 is a perspective view of the storage state of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional structure of the teaching state of the present utility model;

FIG. 3 is a schematic view of an exploded perspective view of the present utility model;

fig. 4 is an exploded perspective view of the sterilization assembly of the present utility model.

In the figure: 1. a display board; 2. a front guard assembly; 21. a protection plate; 22. a handle; 23. pulling the elongated aperture; 24. a strong magnet block; 3. a rear guard assembly; 4. a movable cavity; 5. a mounting groove; 6. a sterilization assembly; 61. a sterilization box; 62. a liquid injection hole; 63. a sponge; 64. brushing; 7. an adjusting shaft; 8. LED light bar; 9. a presentation component; 91. a first presentation block; 92. a second presentation block; 93. a third presentation block; 10. square blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides two technical schemes:

a first embodiment is shown in fig. 1-3: comprises a display board 1, front and rear side walls of the display board 1 are respectively and rotatably connected with a front protection component 2 and a rear protection component 3 through hinges, a plurality of movable cavities 4 are uniformly formed in the front surface of the display board 1, a mounting groove 5 communicated with the interiors of the movable cavities 4 is formed in the top of the display board 1, a disinfection component 6 is fixedly connected in the mounting groove 5 through bolts, an adjusting shaft 7 is fixedly connected in the interiors of each movable cavity 4, an LED lamp strip 8 is fixedly connected at the bottom of the cavity of the movable cavity 4, square blocks 10 are rotatably sleeved on the outer walls of two continuous adjusting shafts 7, a demonstration component 9 is rotatably sleeved on the outer walls of other adjusting shafts 7, the front protection component 2 and the rear protection component 3 are identical components in two structures, the front protection component 2 comprises a protection plate 21 and a lifting handle 22 fixedly connected to the top of the protection plate 21, a lifting strip hole 23 and a magnet mounting groove are formed in one side wall of the lifting strip 22, the inner part of the magnet installation groove is fixedly connected with a powerful magnet block 24, the demonstration assembly 9 comprises a first demonstration block 91, a second demonstration block 92 and a third demonstration block 93, the first demonstration block 91, the second demonstration block 92 and the third demonstration block 93 are all decagonal bodies with the same structure, ten faces of the first demonstration block 91, the second demonstration block 92 and the third demonstration block 93 are sequentially and respectively provided with ten Arabic numbers from zero to ten, the square block 10 is of a square structure, four faces of one square block 10 are respectively provided with four arithmetic signs of addition, subtraction, multiplication and division, two faces of the other square block 10 are respectively provided with equal signs and unequal signs, the bottom of the demonstration board 1 is provided with a battery groove, the inner part of the battery groove is provided with a lithium battery, the lithium battery is respectively electrically connected with the LED lamp strip 8 through wires, the bottom of the sterilizing module 6 is connected with the top of the demonstration module 9 and the square block 10. The mounting groove 5 is linear distribution, and mounting groove 5 and activity chamber 4 position one-to-one, demonstration subassembly 9 and square piece 10 distribute in proper order from left to right, and the order of arranging is left side two and right side one is demonstration subassembly 9, and other two positions are square piece 10, and the hinge can satisfy and rotate one hundred eighty degrees.

Through set up preceding protective component 2 and back protective component 3 in the both sides of show board 1, can open it when using and raise the show board as the support frame, be convenient for the student observe, can pack up two protective components when idle, not only can play the effect of protection show board and inside spare part, can play the effect of handle simultaneously moreover, the teacher of being convenient for carries.

Can calculate according to the teaching needs of mathematics through setting up a plurality of demonstration subassemblies 9 to every demonstration subassembly can satisfy the operation needs of three digits and below, satisfies primary school's mathematical education demand, utilizes this demonstration teaching aid can fully transfer student's study interest, improves student and mr's interactivity, makes the better study mathematical knowledge of student.

The second embodiment, as shown in fig. 4, differs from the first embodiment mainly in that: the disinfection assembly 6 comprises a disinfection box 61, the interior of the disinfection box 61 is of a hollow structure, a sponge 63 is fixedly connected with the interior of a cavity of the disinfection box 61, bristles 64 are fixedly arranged at the bottom of the sponge 63, and a liquid injection hole 62 communicated with the interior of the cavity of the disinfection box 61 is formed in the top of the disinfection box 61.

Through setting up disinfection subassembly 6, can utilize disinfection subassembly bottom brush hair 64 to clean its surface with the antiseptic solution when rotating demonstration subassembly, can accomplish timely disinfection clean effect, avoid in the interactive in-process with the student, the hand bacterium takes place the cross infection's condition, guaranteed student, mr's health.

When the novel multifunctional combined type demonstration device is used, the front protection component 2 and the rear protection component 3 are firstly rotated for one hundred eighty degrees around the hinge to be opened, the tops of the front protection component 2 and the rear protection component 3 are vertically downwards, the demonstration board 1 is lifted, then the demonstration component 9 and the square block can be rotated according to teaching requirements to form different formulas, the LED lamp strip 8 can play a role of illuminating the demonstration component 9 when the optical fibers are insufficient, the brush hair 64 at the bottom of the disinfection component 6 and the top of the demonstration component 9 are rubbed in the rotation process of the demonstration component 9, the disinfectant stored in the sponge 63 is coated on the surface of the demonstration component, the cleaning and sterilizing effects can be achieved, the disinfectant can be periodically added into the sponge 63 through the liquid injection hole 62, after teaching is finished, the front protection component 2 and the rear protection component 3 can be reversely rotated for one hundred eighty degrees around the hinge to be closed, the two protection components are mutually attracted by the powerful magnet blocks 24 on the side walls of the two protection components, the powerful magnet blocks 24 are firmly connected, and a teacher can lift the demonstration device through the lifting strip hole 23.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a primary school's mathematics arithmetic demonstration teaching aid, includes show board (1), its characterized in that: front and rear side walls of the display board (1) are respectively connected with a front protection component (2) and a rear protection component (3) through hinges in a rotating mode, a plurality of movable cavities (4) are uniformly formed in the front face of the display board (1), mounting grooves (5) communicated with the interiors of the movable cavities (4) are formed in the top of the display board (1), disinfection components (6) are fixedly connected to the interiors of the mounting grooves (5) through bolts, adjusting shafts (7) are fixedly connected to the interiors of the movable cavities (4), LED lamp strips (8) are fixedly connected to the bottoms of the cavities of the movable cavities (4), square blocks (10) are sleeved on the outer walls of the two continuous adjusting shafts (7) in a rotating mode, and demonstration components (9) are sleeved on the outer walls of the other adjusting shafts (7) in a rotating mode;

the disinfection subassembly (6) is including disinfection box (61), the inside of disinfection box (61) is hollow structure, and the inside fixedly connected with sponge (63) of cavity of disinfection box (61), the bottom of sponge (63) is fixed to be provided with brush hair (64), annotate liquid hole (62) that are linked together with its cavity inside are seted up at the top of disinfection box (61).

2. A primary school mathematics demonstration teaching aid according to claim 1, characterized in that: the front protection assembly (2) and the rear protection assembly (3) are two components with identical structures, the front protection assembly (2) comprises a protection plate (21) and a handle (22) fixedly connected to the top of the protection plate (21), a lifting strip hole (23) and a magnet mounting groove are formed in one side wall of the handle (22), and a powerful magnet block (24) is fixedly connected to the inner part of the magnet mounting groove.

3. A primary school mathematics demonstration teaching aid according to claim 1, characterized in that: the demonstration assembly (9) comprises a first demonstration block (91), a second demonstration block (92) and a third demonstration block (93), wherein the first demonstration block (91), the second demonstration block (92) and the third demonstration block (93) are all decaprism bodies with the same structure, and ten faces of the first demonstration block (91), the second demonstration block (92) and the third demonstration block (93) are sequentially provided with ten Arabic numerals from zero to ten respectively.

4. A primary school mathematics demonstration teaching aid according to claim 1, characterized in that: the square blocks (10) are of cube structures, four arithmetic symbols of addition, subtraction, multiplication and division are respectively arranged on four surfaces of one square block (10), and equal signs and unequal signs are respectively arranged on two surfaces of the other square block (10).

5. A primary school mathematics demonstration teaching aid according to claim 1, characterized in that: the bottom of show board (1) has seted up the battery jar, and the inside of battery jar is provided with the lithium cell, and the lithium cell passes through wire and LED lamp strip (8) electric connection respectively.

6. A primary school mathematics demonstration teaching aid according to claim 1, characterized in that: the bottom of the disinfection component (6) is connected with the top of the demonstration component (9) and the square block (10).