CN216697579U

CN216697579U - Portable addition and subtraction learning device for primary school mathematics

Info

Publication number: CN216697579U
Application number: CN202123356892.3U
Authority: CN
Inventors: 相春梅; 相冬梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-07
Anticipated expiration: 2031-12-29

Abstract

The application discloses a portable addition and subtraction learning device for primary school mathematics, which comprises a base, an addition and subtraction device, a positioning device and a verification device; the adding and subtracting device comprises a protection frame, a storage groove, a drawer, a clamping groove, a handle, a placing groove, a weight sensor, a first fixing column, a second fixing column, a first button, a third fixing column, a second button, a third button and a lantern ring, wherein the storage groove is formed in the base, the top end of the base is fixedly connected with the protection frame, and the protection frame is slidably connected with the movable plate. This application calculates the lantern ring weight on first fixed column, second fixed column and the third fixed column through weighing transducer, calculates the addition and subtraction result through first button and second button and third button to add and subtract the calculation result and show under the effect of singlechip and display screen, carry out calculation result report through loudspeaker, thereby conveniently verify the use to the addition and subtraction result.

Description

Portable addition and subtraction learning device for primary school mathematics

Technical Field

The application relates to the field of primary school teaching equipment, in particular to a portable addition and subtraction learning device for primary school mathematics.

Background

Teaching aids are general names of various appliances used for enabling students to understand teaching contents visually and vividly and tools used by teachers during teaching, are called teaching aids for short, can improve learning interest of the students, enrich perceptual knowledge, help to form clear concepts, and develop observation ability and thinking ability of the students, and are generally divided into three types, namely common teaching aids, special teaching aids and infant teaching aids.

When an existing pupil just enters a grade to learn figures and add-subtract operation, the pupil usually adopts a method of counting fingers, uses two hands together and is easy to make mistakes; the teacher teaching device is inconvenient to verify, generally adopts a hanging picture or a mode of drawing characters such as circles, triangles and the like on a blackboard to learn numbers, and the existing learning device is not visual enough in demonstration and inconvenient to carry and use. Therefore, the portable addition and subtraction learning device for primary school mathematics is provided for solving the problems.

Disclosure of Invention

The embodiment provides a portable addition and subtraction learning device for primary school mathematics, which is used for solving the problem that when an existing primary school student just enters a grade to learn figures and add and subtract arithmetic, the existing primary school student usually adopts a method of counting fingers, and both hands are used together, so that an error is easy to occur; inconvenient verification, teacher's teaching generally adopts the mode of hanging a picture or drawing symbols such as circle, triangle on the blackboard and knowing, and current learner demonstration is directly perceived inadequately, carries awkward problem.

According to one aspect of the application, a portable addition and subtraction learning device for primary mathematics is provided, which comprises a base, an addition and subtraction device, a positioning device and a verification device;

the adding and subtracting device comprises a protection frame, a storage groove, a drawer, a clamping groove, a handle, a placing groove, a weight sensor, a first fixed column, a second fixed column, a first button, a third fixed column, a second button, a third button and a lantern ring, the storage groove is formed in the base, the top end of the base is fixedly connected with the protection frame, and the inside of the protection frame is connected with a movable plate in a sliding mode;

the positioning device comprises a movable plate, a handle, a positioning plate, a positioning rod, a spring, a positioning hole and connecting grooves, a placing groove is formed in the protecting frame, and the connecting grooves are formed in two sides of the top of the protecting frame;

the verifying device comprises a loudspeaker, a display screen, a status lamp, a single chip microcomputer and a battery, the single chip microcomputer and the battery are arranged inside the movable plate, and the loudspeaker is arranged on one end side wall of the movable plate.

Further, the inside sliding connection drawer of storing tank, the one end lateral wall fixed connection handle of drawer, the draw-in groove has been seted up to the inside of drawer, the lantern ring has been placed to the inside of draw-in groove.

Further, the one end lateral wall fixed connection first fixed column, second fixed column and the third fixed column of fly leaf, all cup jointed the lantern ring on first fixed column, second fixed column and the third fixed column.

Further, gravity sensors are installed at the bottoms of the first fixing column, the second fixing column and the third fixing column, and the lengths of the first fixing column, the second fixing column and the third fixing column are the same.

Further, one end of the movable plate is provided with a first button, a second button and a third button, the first button is a result button, and the second button and the third button are an addition button and a subtraction button respectively.

Furthermore, the inside sliding connection locating lever of spread groove, the one end fixed connection locating plate of locating lever, the locating lever is T type structure with the locating plate.

Furthermore, a spring is sleeved on the outer side of the positioning rod, one end of the spring is fixedly connected with one end of the positioning plate, and the other end of the spring is fixedly connected with the inner wall of the connecting groove.

Further, the status light is installed to the one end of fly leaf, the equal electric connection singlechip of status light, first button, second button, third button, weight sensor, loudspeaker and display screen and battery.

Furthermore, both sides of the top of the movable plate are provided with positioning holes, and the positioning holes are clamped and connected with the positioning rods.

Further, the top end fixed connection handle of fly leaf, the display screen is installed to fly leaf one end lateral wall, fly leaf sliding connection is in the inside standing groove of protective frame.

Through the embodiment of the application, the addition and subtraction device, the positioning device and the verification device are adopted, so that the problem that when an existing pupil just enters a grade to learn figures and add and subtract calculation, the pupil usually adopts a method of counting fingers, uses two hands together and is easy to make mistakes is solved; inconvenient verification, teacher's teaching generally adopts the mode of hanging a picture or drawing symbols such as circle, triangle on the blackboard and knowing, and current learner demonstration is directly perceived inadequately, carries awkward problem.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic overall structure diagram of an embodiment of the present application;

fig. 3 is an enlarged view of a portion a in fig. 2 according to an embodiment of the present disclosure.

Fig. 4 is a schematic position diagram of a drawer, a card slot and a handle according to an embodiment of the present application.

In the figure: 1. a base; 2. a protective frame; 3. a storage tank; 301. a drawer; 302. a card slot; 4. a handle; 5. a placement groove; 6. a weight sensor; 7. a first fixed column; 8. a second fixed column; 9. a first button; 10. a third fixing column; 11. a second button; 12. a third button; 13. a collar; 14. a movable plate; 15. a handle; 16. a horn; 17. a display screen; 18. a status light; 19. positioning a plate; 20. positioning a rod; 21. a spring; 22. positioning holes; 23. connecting grooves; 24. a single chip microcomputer; 25. a battery.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a portable addition and subtraction learning device for primary mathematics comprises a base 1, an addition and subtraction device, a positioning device and a verification device;

the adding and subtracting device comprises a protection frame 2, a storage groove 3, a drawer 301, a clamping groove 302, a handle 4, a placing groove 5, a weight sensor 6, a first fixing column 7, a second fixing column 8, a first button 9, a third fixing column 10, a second button 11, a third button 12 and a lantern ring 13, wherein the storage groove 3 is formed in the base 1, the top end of the base 1 is fixedly connected with the protection frame 2, and the interior of the protection frame 2 is slidably connected with a movable plate 14;

the positioning device comprises a movable plate 14, a handle 15, a positioning plate 19, a positioning rod 20, a spring 21, a positioning hole 22 and connecting grooves 23, a placing groove 5 is formed in the protection frame 2, and the connecting grooves 23 are formed in two sides of the top of the protection frame 2;

the verification device comprises a loudspeaker 16, a display screen 17, a status lamp 18, a single chip microcomputer 24 and a battery 25, the single chip microcomputer 24 and the battery 25 are installed inside the movable plate 14, and the loudspeaker 16 is installed on one end side wall of the movable plate 14.

The drawer is pulled out from the storage groove through the handle, the lantern rings in the clamping groove are taken out, a certain number of lantern rings are obtained according to the addition and subtraction requirement, the lantern rings are respectively sleeved with the first fixing column, the second fixing column and the third fixing column, and addition and subtraction learning is carried out according to the number of the sleeved lantern rings.

A drawer 301 is slidably connected inside the storage groove 3, a handle 4 is fixedly connected to the outer side wall of one end of the drawer 301, a clamping groove 302 is formed inside the drawer 301, and a lantern ring 13 is placed inside the clamping groove 302; the side wall of one end of the movable plate 14 is fixedly connected with a first fixed column 7, a second fixed column 8 and a third fixed column 10, and lantern rings 13 are sleeved on the first fixed column 7, the second fixed column 8 and the third fixed column 10; gravity sensors are mounted at the bottoms of the first fixing column 7, the second fixing column 8 and the third fixing column 10, and the first fixing column 7, the second fixing column 8 and the third fixing column 10 are the same in length; a first button 9, a second button 11 and a third button 12 are mounted at one end of the movable plate 14, the first button 9 is a result button, and the second button 11 and the third button 12 are an addition button and a subtraction button respectively; the inside of the connecting groove 23 is slidably connected with a positioning rod 20, one end of the positioning rod 20 is fixedly connected with a positioning plate 19, and the positioning rod 20 and the positioning plate 19 are in a T-shaped structure; a spring 21 is sleeved on the outer side of the positioning rod 20, one end of the spring 21 is fixedly connected with one end of the positioning plate 19, and the other end of the spring 21 is fixedly connected with the inner wall of the connecting groove 23; a status light 18 is mounted at one end of the movable plate 14, and the status light 18, the first button 9, the second button 11, the third button 12, the weight sensor 6, the loudspeaker 16 and the display screen 17 are all electrically connected with a single chip microcomputer 24 and a battery 25; positioning holes 22 are formed in both sides of the top of the movable plate 14, and the positioning holes 22 are clamped and connected with positioning rods 20; the top end of the movable plate 14 is fixedly connected with a handle 15, a display screen 17 is installed on the side wall of one end of the movable plate 14, and the movable plate 14 is slidably connected in the placing groove 5 inside the protection frame 2.

When the device is used, firstly, all electrical components in the device are externally connected with a control switch and a power supply, then the drawer 301 is pulled out from the storage groove 3 through the handle 4, the lantern rings 13 in the clamping groove 302 are taken out, a certain number of lantern rings 13 are obtained according to the requirement of addition and subtraction, the lantern rings 13 are respectively sleeved with the first fixing column 7, the second fixing column 8 and the third fixing column 10, addition and subtraction learning is carried out according to the number of the sleeved lantern rings 13, the weights of the lantern rings 13 on the first fixing column 7, the second fixing column 8 and the third fixing column 10 are calculated through the weight sensor 6, addition and subtraction results are calculated through the first button 9, the second button 11 and the third button 12, the addition and subtraction results are displayed under the action of the singlechip 24 and the display screen 17, the calculation results are broadcasted through the loudspeaker 16, so that the addition and subtraction results are conveniently verified and conveniently used, through pulling locating plate 19, locating plate 19 drives locating lever 20 and slides along connecting groove 23, and locating lever 20 drives spring 21 compression and holds power, and locating lever 20 shifts out from locating hole 22 is inside, then pulls movable plate 14 through handle 15 and shifts out from the inside of storage tank 3 to conveniently carry and place, convenient to use.

The application has the advantages that:

1. the drawer is drawn out of the storage groove through the handle, the lantern rings in the clamping groove are taken out, a certain number of lantern rings are obtained according to the addition and subtraction requirements, the lantern rings are respectively sleeved with the first fixing column, the second fixing column and the third fixing column, and addition and subtraction learning is carried out according to the number of the sleeved lantern rings;

2. this application is rational in infrastructure, calculates the lantern ring weight on first fixed column, second fixed column and the third fixed column through weighing transducer, calculates the addition and subtraction result through first button and second button and third button to will add and subtract the calculation result and show under the effect of singlechip and display screen, report through loudspeaker calculation result, thereby conveniently verify the addition and subtraction result, facilitate the use.

3. This application is rational in infrastructure, and through the pulling locating plate, the locating plate drives the locating lever and slides along the spread groove, and the locating lever drives the spring compression and holds power, and the locating lever shifts out from the locating hole is inside, then shifts out from the storage tank is inside through handle pulling fly leaf to conveniently carry and place convenient to use.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Portable addition subtraction learning device of primary school's mathematics, its characterized in that: comprises a base (1), an adding and subtracting device, a positioning device and a verification device;

the adding and subtracting device comprises a protection frame (2), a storage groove (3), a drawer (301), a clamping groove (302), a handle (4), a placing groove (5), a weight sensor (6), a first fixing column (7), a second fixing column (8), a first button (9), a third fixing column (10), a second button (11), a third button (12) and a lantern ring (13), wherein the storage groove (3) is formed in the base (1), the top end of the base (1) is fixedly connected with the protection frame (2), and the protection frame (2) is connected with a movable plate (14) in a sliding manner;

the positioning device comprises a movable plate (14), a handle (15), a positioning plate (19), a positioning rod (20), a spring (21), a positioning hole (22) and connecting grooves (23), a placing groove (5) is formed in the protection frame (2), and the connecting grooves (23) are formed in two sides of the top of the protection frame (2);

verifying attachment includes loudspeaker (16), display screen (17), status light (18), singlechip (24) and battery (25), the internally mounted of fly leaf (14) has singlechip (24) and battery (25), loudspeaker (16) are installed to the one end lateral wall of fly leaf (14).

2. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: the inside sliding connection drawer (301) of storage tank (3), one end lateral wall fixed connection handle (4) of drawer (301), draw-in groove (302) have been seted up to the inside of drawer (301), lantern ring (13) have been placed to the inside of draw-in groove (302).

3. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: the side wall of one end of the movable plate (14) is fixedly connected with a first fixed column (7), a second fixed column (8) and a third fixed column (10), and lantern rings (13) are sleeved on the first fixed column (7), the second fixed column (8) and the third fixed column (10).

4. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: weight sensors (6) are installed at the bottoms of the first fixing column (7), the second fixing column (8) and the third fixing column (10), and the lengths of the first fixing column (7), the second fixing column (8) and the third fixing column (10) are the same.

5. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: a first button (9), a second button (11) and a third button (12) are installed at one end of the movable plate (14), the first button (9) is a result button, and the second button (11) and the third button (12) are an addition button and a subtraction button respectively.

6. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: the positioning rod (20) is connected with the connecting groove (23) in a sliding mode, one end of the positioning rod (20) is fixedly connected with the positioning plate (19), and the positioning rod (20) and the positioning plate (19) are of a T-shaped structure.

7. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: the outer side of the positioning rod (20) is sleeved with a spring (21), one end of the spring (21) is fixedly connected with one end of the positioning plate (19), and the other end of the spring (21) is fixedly connected with the inner wall of the connecting groove (23).

8. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: status light (18) are installed to the one end of fly leaf (14), status light (18), first button (9), second button (11), third button (12), weight sensor (6), loudspeaker (16) and display screen (17) all electric connection singlechip (24) and battery (25).

9. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: positioning holes (22) are formed in the two sides of the top of the movable plate (14), and the positioning holes (22) are clamped and connected with the positioning rods (20).

10. The portable addition-subtraction learner for primary school mathematics according to claim 1, wherein: the top end of the movable plate (14) is fixedly connected with a handle (15), a display screen (17) is installed on the side wall of one end of the movable plate (14), and the movable plate (14) is connected in the placing groove (5) in the protection frame (2) in a sliding mode.