CN209232208U - A kind of primary school mathematics plus-minus method learner - Google Patents

Abstract

The utility model discloses a kind of primary school mathematics plus-minus method learners, including rectangular box and U-shaped fork, rectangular box top side is equipped with boss portion, and boss portion top outer wall both sides position is provided with strip groove, the U-shaped fork both ends are hinged with two strip groove inner walls respectively, the U-shaped fork sidewall sheath is equipped with the bead component equidistantly distributed, the rectangular box top outer wall both sides are provided with placing groove at position, and placing groove specification is adapted with bead component specification, boss portion top outer wall is equipped with conductive mechanism close to two strip groove middle positions, the conductive mechanism includes ring plate in two arc conduction outer ring plates and arc conduction.The utility model, which facilitates, realizes folding to U-shaped fork, and bead component convenient for collecting is easy to operate, reduces the volume of learner, is convenient for carrying, and is easy to use, and reaches different visual effects, more convenient demonstration mathematics addition and subtraction, more intuitively.

Description

A kind of primary school mathematics plus-minus method learner

Technical field

The utility model relates to learner technical field more particularly to a kind of primary school mathematics plus-minus method learners.

Background technique

Pupil is when having just enter into a study of numbers and signed magnitude arithmetic(al), the method for generalling use several fingers, both hands It is used in combination, it is easy to malfunction；Teachers ' teaching is generally using wall chart or in such a way that the symbols such as blackboard upper drawing circle, triangle know number, wall chart Number, several examples only on wall chart cannot be modified at random, and draws a picture to compare on blackboard and waste time, and need to draw a picture wiping It wipes, it is very inconvenient；Sometimes teacher is also demonstrated with the mode that ball or building blocks etc. are put on religion table, inconvenient to carry, due to table Face is blocked, and heel row student may not see Chu, influences teaching efficiency.Existing learner demonstration is not intuitive enough, so proposing A kind of primary school mathematics plus-minus method learner.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of primary school mathematics proposed add Subtraction learner.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of primary school mathematics plus-minus method learner, including rectangular box and U-shaped fork, rectangular box top side are equipped with Boss portion, and boss portion top outer wall both sides position is provided with strip groove, the U-shaped fork both ends respectively with two strip groove inner walls Hingedly, the U-shaped fork sidewall sheath is equipped with the bead component that equidistantly distributes, equal at the position of the rectangular box top outer wall both sides It is provided with placing groove, and placing groove specification is adapted with bead component specification, boss portion top outer wall is close to two strip grooves Middle position is equipped with conductive mechanism, and the conductive mechanism includes ring plate in two arc conduction outer ring plates and arc conduction, And ring plate is symmetricly set at the position of strip groove both sides in two arc conduction outer ring plates and two arc conductions, described in two Ring plate is rabbeted with boss portion top outer wall in arc conduction outer ring plate and two arc conductions, and hair is equipped in the bead component Optical assembly, and luminescence component is electrically connected with conductive mechanism.

Preferably, the bead component includes plastic hoop, and plastic hoop is hollow structure, and the plastics ring-side wall is equipped with ring Shape slot, and annular groove inner wall is connected with light penetrating ring, plastic hoop top outer wall and bottom end outer wall middle position, which are rabbeted, to be had Magnet ring piece, and two magnet ring pieces are socketed with U-shaped fork outer wall.

Preferably, the luminescence component includes the conductive component being symmetricly set at the top and bottom of plastic hoop, the conduction Component includes conductive inner ring and conductive outer ring, and conductive inner ring and conductive outer ring are rabbeted with plastics ring-side wall, lead described in two Electric inner ring is connected by conducting wire, and two conductive outer rings are connected by conducting wire.

Preferably, rabbeting respectively at the position of plastic hoop inner wall both sides has the first color lamp and the second color lamp, and described first Color lamp and the one of pin of the second color lamp are in series with diode, and two diode one end and one of them described conduction are outer Ring connection, first color lamp and the second color lamp another pin are connect with conductive inner ring.

Preferably, the light penetrating ring is by flexible and transparent resin injection molding.

Preferably, outer wall four angular positions in the rectangular box bottom end are provided with card slot, and four card slot inner walls block It is connected to non-slipping block.

Preferably, the rectangular box inner wall is equipped with lithium-cell plate, and two arcs in one of conductive mechanism are led Ring plate and two arc conduction outer ring plates are connect with the anode and cathode of lithium battery respectively in electricity, and the two of another conductive mechanism Ring plate and two arc conduction outer ring plates are connect with the cathode of lithium-cell plate and anode respectively in a arc conduction.

The utility model has the following beneficial effects:

1. by the U-shaped fork of setting, the placing groove being equipped with facilitates the folding realized to U-shaped fork, bead convenient for collecting Component, it is easy to operate, the volume of learner is reduced, is convenient for carrying, is easy to use.

2. the lighting means being equipped with, the conductive component being equipped with may be implemented to calculate by the conductive mechanism of setting Pearl component is moved to U-shaped fork both ends, when being electrically connected with two conductive mechanisms, so that the first color lamp and the second color lamp difference It shines, reaches different visual effects, more convenient demonstration mathematics addition and subtraction, more intuitively.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of primary school mathematics plus-minus method learner structural schematic diagram；

Fig. 2 be the utility model proposes a kind of primary school mathematics plus-minus method learner rectangular box overlooking structure diagram；

Fig. 3 be the utility model proposes a kind of primary school mathematics plus-minus method learner bead component sectional structure signal Figure；

Fig. 4 be the utility model proposes a kind of primary school mathematics plus-minus method learner luminescence component circuit connection signal Figure.

In figure: 1 non-slipping block, 2 rectangular boxs, 3 bead components, 4 U-shaped forks, 5 strip grooves, 6 arc conduction outer ring plates, 7 arcs Ring plate, 8 placing grooves, 9 first color lamps, 10 conductive outer rings, 11 conductive inner ring, 12 magnet ring pieces, 13 second color lamps, 14 are thoroughly in shape conduction The ring of light, 15 plastic hoops.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-4, a kind of primary school mathematics plus-minus method learner, including rectangular box 2 and U-shaped fork 4, rectangular box 2 push up Hold side to be equipped with boss portion, and boss portion top outer wall both sides position is provided with strip groove 5,4 both ends of U-shaped fork respectively with two items 5 inner wall of shape slot is hinged, and 4 sidewall sheaths of U-shaped fork are equipped with the bead component 3 equidistantly distributed, 2 top outer wall both sides position of rectangular box Place is provided with placing groove 8, and 8 specification of placing groove is adapted with 3 specification of bead component, and boss portion top outer wall is close to two bar shapeds 5 middle position of slot is equipped with conductive mechanism, and conductive mechanism includes ring plate 7 in two arc conduction outer ring plates 6 and arc conduction, And ring plate 7 is symmetricly set at 5 both sides position of strip groove in two arc conduction outer ring plates 6 and two arc conductions, two Ring plate 7 is rabbeted with boss portion top outer wall in arc conduction outer ring plate 6 and two arc conductions, and hair is equipped in bead component 3 Optical assembly, and luminescence component is electrically connected with conductive mechanism.

In the utility model, bead component 3 includes plastic hoop 15, and plastic hoop 15 is hollow structure, 15 side wall of plastic hoop Equipped with annular groove, and annular groove inner wall is connected with light penetrating ring 14, and 15 top outer wall of plastic hoop and bottom end outer wall middle position are equal Interlocking has magnet ring piece 12, and two magnet ring pieces 12 are socketed with 4 outer walls of U-shaped fork, and luminescence component includes being symmetricly set on plastic hoop The conductive component of 15 top and bottom, conductive component include conductive inner ring 11 and conductive outer ring 10, and conductive inner ring 11 and conduction Outer ring 10 is rabbeted with 15 side wall of plastic hoop, and two conductive inner ring 11 are connected by conducting wire, and two conductive outer rings 10 pass through conducting wire It connects, interlocking has the first color lamp 9 and the second color lamp 13 respectively at 15 inner wall both sides position of plastic hoop, and the first color lamp 9 and second is color The one of pin of lamp 13 is in series with diode, and two diode one end are connect with one of conductive outer ring 10, and first Color lamp 9 and second color lamp 13 another pin are connect with conductive inner ring 11, and light penetrating ring 14 is molded by flexible and transparent resin Type, rectangular box 2 bottom end outer wall, four angular positions are provided with card slot, and four card slot inner walls are connected with non-slipping block 1, rectangle 2 inner wall of box body is equipped with lithium-cell plate, and ring plate 7 and two arc conductions in two arcs conduction in one of conductive mechanism Outer ring plate 6 is connect with the anode and cathode of lithium battery respectively, ring plate 7 and two in two arcs conduction of another conductive mechanism A arc conduction outer ring plate 6 is connect with the cathode of lithium-cell plate and anode respectively.

Working principle: in use, then the U-shaped fork 4 of rotary expansion connects circuit, magnetic so that U-shaped fork 4 is in a vertical state Ring plate 12 fits closely two adjacent bead components 3, so that luminescence component forms parallel connection, so that the first color lamp 9 or the Two color lamps 13 shine, so that light penetrating ring 14 shines, may then pass through and are moved to bead component 3 separately along one end of U-shaped fork 4 Outer one end, progress mathematics addition and subtraction teaching demonstration, conductive mechanism, the lighting means being equipped with, the conductive component being equipped with, Bead component 3 may be implemented and be moved to U-shaped fork both ends, when being electrically connected with two conductive mechanisms, so that 9 He of the first color lamp Second color lamp 13 shines respectively, reaches different visual effects, more convenient demonstration mathematics addition and subtraction.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (7)

1. a kind of primary school mathematics plus-minus method learner, including rectangular box (2) and U-shaped fork (4), which is characterized in that the rectangle Box body (2) top side is equipped with boss portion, and boss portion top outer wall both sides position is provided with strip groove (5), the U-shaped fork (4) both ends are hinged with two strip groove (5) inner walls respectively, and U-shaped fork (4) sidewall sheath is equipped with the bead component equidistantly distributed (3), it is provided with placing groove (8) at rectangular box (2) the top outer wall both sides position, and placing groove (8) specification and bead group Part (3) specification is adapted, and boss portion top outer wall is equipped with conductive mechanism close to two strip groove (5) middle positions, The conductive mechanism includes ring plate (7) in two arc conduction outer ring plates (6) and arc conduction, and two arc conduction outer ring plates (6) and in two arc conductions ring plate (7) is symmetricly set at strip groove (5) both sides position, and two arcs are conductive outer Ring plate (7) is rabbeted with boss portion top outer wall in ring plate (6) and two arc conductions, and hair is equipped in the bead component (3) Optical assembly, and luminescence component is electrically connected with conductive mechanism.

2. a kind of primary school mathematics plus-minus method learner according to claim 1, which is characterized in that the bead component (3) Including plastic hoop (15), and plastic hoop (15) is hollow structure, and plastic hoop (15) side wall is equipped with annular groove, and in annular groove Wall is connected with light penetrating ring (14), and plastic hoop (15) the top outer wall and bottom end outer wall middle position, which are rabbeted, magnet ring piece (12), and two magnet ring pieces (12) are socketed with U-shaped fork (4) outer wall.

3. a kind of primary school mathematics plus-minus method learner according to claim 1, which is characterized in that the luminescence component includes The conductive component being symmetricly set at the top and bottom of plastic hoop (15), the conductive component include outside conductive inner ring (11) and conduction Ring (10), and conductive inner ring (11) and conductive outer ring (10) are rabbeted with plastic hoop (15) side wall, two conductive inner ring (11) it is connected by conducting wire, two conductive outer rings (10) are connected by conducting wire.

4. a kind of primary school mathematics plus-minus method learner according to claim 3, which is characterized in that in the plastic hoop (15) Interlocking has the first color lamp (9) and the second color lamp (13), first color lamp (9) and the second color lamp (13) respectively at the position of wall both sides One of pin is in series with diode, and two diode one end are connect with conduction outer ring (10) described in one of them, institute It states the first color lamp (9) and the second color lamp (13) another pin is connect with conductive inner ring (11).

5. a kind of primary school mathematics plus-minus method learner according to claim 2, which is characterized in that the light penetrating ring (14) by Flexible and transparent resin injection molding.

6. a kind of primary school mathematics plus-minus method learner according to claim 1, which is characterized in that the rectangular box (2) Outer wall four angular positions in bottom end are provided with card slot, and four card slot inner walls are connected with non-slipping block (1).

7. a kind of primary school mathematics plus-minus method learner according to claim 1, which is characterized in that the rectangular box (2) Inner wall is equipped with lithium-cell plate, and ring plate (7) and two arcs are conductive outer in two arcs conduction in one of conductive mechanism Ring plate (6) is connect with the anode and cathode of lithium battery respectively, in two arcs of another conductive mechanism are conductive ring plate (7) and Two arc conduction outer ring plates (6) connect with the cathode of lithium-cell plate and anode respectively.