CN209248839U - The vertical calculation template of multiplication - Google Patents

Abstract

The utility model discloses the vertical calculation templates of multiplication, including main frame, the inner sidewall of main frame is fixedly installed with fixed frame, the rear wall of fixed frame is fixedly installed with plate, the front side wall of plate is fixedly installed with the first partition rod and the second partition rod, the front side wall of plate is fixedly installed with integer number plate and carry digit letter stencil, the front side wall of plate offers through-hole, the inner sidewall of main frame is equipped with the first pulling plate and the second pulling plate to match with plate, the utility model passes through plate, first partition rod, second partition rod, the structure of integer number plate and carry digit letter stencil, the calculation that can clearly write and carry out multiplication on plate calculates, pass through mainboard, the structure of first pulling plate and the second pulling plate, three-figure multiplication can be decomposed, and respectively in mainboard, a position is carried out on first pulling plate and the second pulling plate, ten and hundred The multiplication of position calculates, convenient for the teaching of teacher and the understanding of student.

Description

The vertical calculation template of multiplication

Technical field

The utility model relates to mathematical teaching apparatus technical fields, the specially vertical calculation template of multiplication.

Background technique

In the mathematics studying of pupil, multiplication calculating is a critically important part, and multiplication calculating is vertical Calculation is since its step is relatively complicated, and the Cognition Understanding scarce capacity of pupil, therefore, when carrying out multiplication study, student It can be difficult to understand for and keep firmly in mind, therefore common mode is by largely practicing being remembered, still, the above method is only used for Student for calculate process memory, the degree of understanding can not be reached, not can solve can be generated in students'learning doubt It is puzzled, and then influence the study after student, if it is possible to designing one kind can clearly show that multiplication calculates process, and be convenient for student The calculation template that process is understood, so that it may problems are solved, for this purpose, it is proposed that the vertical calculation template of multiplication.

Utility model content

The purpose of this utility model is to provide the vertical calculation templates of multiplication, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: the vertical calculation template of multiplication, including main frame Body, the inner sidewall of the main frame are fixedly installed with fixed frame, and the rear wall of the fixed frame is fixedly installed with plate, described flat The front side wall of plate is fixedly installed with the first partition rod and the second partition rod, and the front side wall of the plate is fixedly installed with the first integer Digiboard and carry digit letter stencil, the front side wall of the plate offer first through hole, the inner sidewall of the main frame be equipped with The first pulling plate and the second pulling plate that plate matches.

Preferably, the inner cavity upper side wall of the main frame offers sliding slot, and sliding slot altogether there are two, the inside of the sliding slot Wall is fixedly installed with baffle, and the upper side wall of first pulling plate and the second pulling plate is fixedly installed with fixed link, and fixed link Through baffle, the upper end of the fixed link is fixedly installed with sliding bar, and sliding bar is located in sliding slot, first pulling plate Positioned at the centre of the second pulling plate and plate.

Preferably, the front side wall of first pulling plate is fixedly installed with the second integer number plate and the one zero digiboard, institute The front side wall for stating the first pulling plate offers the second through-hole and the first stock, and the right side wall of first pulling plate is fixedly installed with first Knob.

Preferably, the front side wall of second pulling plate is fixedly installed with third integer number plate and the 2nd 0 digiboard, institute The front side wall for stating the second pulling plate offers the second stock, and the right side wall of second pulling plate is fixedly installed with the second knob.

Preferably, the right side wall of the main frame is fixedly installed with rubber block, and the upper side wall of the rubber block offers cone Shape hole, the inner sidewall of the bellmouth is inserted with cone rubber bar, and the upper end of the cone rubber bar is fixedly installed with pull ring, institute The lower end for stating cone rubber bar is fixedly installed with limited block, and the lower wall of the rubber block offers rectangular channel.

Compared with prior art, the utility model has the beneficial effects that the utility model by plate, the first partition rod, The structure of second partition rod, integer number plate and carry digit letter stencil can clearly write and carry out drilling for multiplication on plate Calculate, by the structure of mainboard, the first pulling plate and the second pulling plate, three-figure multiplication can be decomposed, and exist respectively Position is carried out on mainboard, the first pulling plate and the second pulling plate, the multiplication of ten and hundred calculates, teaching and student convenient for teacher Understand.

Detailed description of the invention

Fig. 1 is the main view of the utility model.

Fig. 2 is the right view of the utility model main frame.

Fig. 3 is the main view cross-sectional view at the utility model rubber block.

Fig. 4 is the main view of the first pulling plate of the utility model.

Fig. 5 is the main view of the second pulling plate of the utility model.

In figure: 1, main frame, 2, fixed frame, 3, plate, the 4, first partition rod, the 5, second partition rod, the 6, first integer number Letter stencil, 7, first through hole, 8, carry digit letter stencil, the 9, first pulling plate, the 10, second pulling plate, the 11, the 1st digiboard, 12, sliding slot, 13, baffle, 14, fixed link, 15, sliding bar, the 16, first stock, the 17, first knob, the 18, second stock, the 19, second knob, 20, rubber block, 21, bellmouth, 22, cone rubber bar, 23, pull ring, 24, limited block, 25, rectangular channel, the 26, second integer number Plate, the 27, second through-hole, 28, third integer number plate, the 29, the 2nd 0 digiboard.

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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, the utility model provides a kind of technical solution: the vertical calculation mould of multiplication Plate, including main frame 1, the inner sidewall of main frame 1 are fixedly installed with fixed frame 2, and the rear wall of fixed frame 2 is fixedly installed with plate 3, the front side wall of plate 3 is fixedly installed with the first partition rod 4 and the second partition rod 5, and the first partition rod 4 and the second partition rod 5 divide The cut-off rule of the vertical calculation of multiplication is not represented, and the front side wall of plate 3 is fixedly installed with the first integer number plate 6 and carry digit letter stencil 8, the front side wall of plate 3 offers first through hole 7, and as shown in Figure of description 1, the first integer number plate 6 is biggish pros Shape plate, carry digit letter stencil 8 are lesser square plate, and first through hole 7 is octagon hole, wherein on the first integer number plate 6 Write respectively multiplier, multiplicand, calculating process number and as a result, on carry digit letter stencil 8 write be used for carry number, just In operation, the inner sidewall of main frame 1 is equipped with the first pulling plate 9 and the second pulling plate 10 to match with plate 3, and plate 3 is mainly used The operation of units in the integrally displaying and three digit multiplyings of calculation process, while passing through first through hole 7 for rear side Content on first pulling plate 9 and the second pulling plate 10 is shown.

Specifically, the inner cavity upper side wall of main frame 1 offers sliding slot 12, and sliding slot 12 altogether there are two, sliding slot 12 it is interior Side wall is fixedly installed with baffle 13, and the upper side wall of the first pulling plate 9 and the second pulling plate 10 is fixedly installed with fixed link 14, and solid Fixed pole 14 runs through baffle 13, and the lower wall of baffle 13 offers groove body, and the thickness of the groove body of baffle 13 is less than sliding bar 15 Thickness, fixed link 14 run through the groove body of baffle 13, and the upper end of fixed link 14 is fixedly installed with sliding bar 15, and sliding bar 15 is distinguished In sliding slot 12, the first pulling plate 9 is located at the centre of the second pulling plate 10 and plate 3, therefore the sliding bar 15 of the first pulling plate 9 connection In the sliding slot 12 of front side, the sliding bar 15 of the second pulling plate 10 connection is located in the sliding slot 12 of rear side, the cunning on the first pulling plate 9 Lever 15 is located in the sliding slot 12 of front side, and the sliding bar 15 on the second pulling plate 10 is located in the sliding slot 12 of rear side, therefore by first Pulling plate 9 and the second pulling plate 10 can be drawn first respectively in main frame 1, and in the effect of sliding bar 15 and sliding slot 12 The movement that plate 9 and the second pulling plate 10 are pulled out and be pushed into.

Specifically, the front side wall of the first pulling plate 9 is fixedly installed with the second integer number plate 26 and the one zero digiboard 11, The shape of second integer number plate 26 and the first integer number plate 6 is identical as effect, and the one zero digiboard 11 is circular slab, and its With digital zero, the front side wall of the first pulling plate 9 offers the second through-hole 27 and the first stock 16, the second through-hole 27 and first on surface The shape of through-hole 7 is identical as effect, and the first stock 16 plays the role of cut-off rule, and the right side wall of the first pulling plate 9 is fixedly installed with First knob 17, the first pulling plate 9 is mainly used for the calculating to tens in three digit multiplication, and second on the first pulling plate 9 is logical Hole 27 can show the content on the second pulling plate 10, and can be realized the pull-out of the first pulling plate 9 by the first knob 17 And reset.

Specifically, the front side wall of the second pulling plate 10 is fixedly installed with third integer number plate 28 and the 2nd 0 digiboard 29, the shape of third integer number plate 28 and the first integer number plate 6 is identical as effect, the 2nd 0 digiboard 29 and the 1st number The shape of letter stencil 11 is identical as effect, and the front side wall of the second pulling plate 10 offers the second stock 18, and the second stock 18 plays segmentation The effect of line, the right side wall of the second pulling plate 10 are fixedly installed with the second knob 19, and the second pulling plate 10 is mainly used for three digit multiplication The calculating of middle hundreds, and pass through the second knob 19 and can be realized the pull-out and reset of the second pulling plate 10.

Specifically, the right side wall of main frame 1 is fixedly installed with rubber block 20, the upper side wall of rubber block 20 offers taper Hole 21, for the inner sidewall of bellmouth 21 inserted with cone rubber bar 22, the upper end of cone rubber bar 22 is fixedly installed with pull ring 23, cone The lower end of shape rubber rods 22 is fixedly installed with limited block 24, and the lower wall of rubber block 20 offers rectangular channel 25, when usual, taper Rubber rods 22 are inserted into bellmouth 21, enable limited block 24 be located at the position of 20 downside of rubber block, and then can prevent the first drawing The pull-out of plate 9 and the second pulling plate 10 prevents the first pulling plate 9 from falling with the second pulling plate 10, when needing to pull out the first pulling plate 9 and second When pulling plate 10, pull ring 23 is pulled up, limited block 24 is enabled to be moved into rectangular channel 25.

Working principle: in calculation template vertical using this multiplication, this device being hung up, then by multiplier and multiplicand point Do not write in the first integer number plate 6 of the top of the first partition rod 4, then can the first partition rod 4 and the second partition rod 5 it Between part calculate process, while carry digit being write on carry digit letter stencil 8, finally below the second partition rod 5 Final result is written in first integer number plate 6, can clearly be shown entire multiplication calculation process, wherein due to The presence of first through hole 7 and the second through-hole 27 can write on the tens of multiplicand on the first pulling plate 9, and the progress of this part Resulting in can also write on the first pulling plate 9, and the hundreds of multiplicand and resulting in for this part can write on the second pulling plate On 10, therefore in teaching process, the first pulling plate 9 or the second pulling plate 10 can be pulled out respectively, student is enabled to understand, multiplication is vertical to drill The process of calculation be a position of multiplicand, ten and hundred be multiplied respectively with multiplier, then by the process of each results added, enable and learning Life can be clearly understood from the process of each step during the vertical calculation of multiplication, the understanding and convenient for student to this partial knowledge It practises.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. the vertical calculation template of multiplication, it is characterised in that: including main frame (1), the inner sidewall of the main frame (1) is fixedly mounted Have fixed frame (2), the rear wall of the fixed frame (2) is fixedly installed with plate (3), the fixed peace of the front side wall of the plate (3) Equipped with the first partition rod (4) and the second partition rod (5), the front side wall of the plate (3) is fixedly installed with the first integer number plate (6) it is offered first through hole (7) with carry digit letter stencil (8), the front side wall of the plate (3), the inner sidewall of the main frame (1) It is equipped with the first pulling plate (9) and the second pulling plate (10) to match with plate (3).

2. the vertical calculation template of multiplication according to claim 1, it is characterised in that: on the upside of the inner cavity of the main frame (1) Wall offers sliding slot (12), and sliding slot (12) altogether there are two, the inner sidewall of the sliding slot (12) is fixedly installed with baffle (13), The upper side wall of first pulling plate (9) and the second pulling plate (10) is fixedly installed with fixed link (14), and fixed link (14) runs through The upper end of baffle (13), the fixed link (14) is fixedly installed with sliding bar (15), and sliding bar (15) is located at sliding slot (12) in, first pulling plate (9) is located at the centre of the second pulling plate (10) and plate (3).

3. the vertical calculation template of multiplication according to claim 1, it is characterised in that: the front side wall of first pulling plate (9) It is fixedly installed with the second integer number plate (26) and the one zero digiboard (11), the front side wall of first pulling plate (9) offers The right side wall of second through-hole (27) and the first stock (16), first pulling plate (9) is fixedly installed with the first knob (17).

4. the vertical calculation template of multiplication according to claim 1, it is characterised in that: the front side wall of second pulling plate (10) It is fixedly installed with third integer number plate (28) and the 2nd 0 digiboard (29), the front side wall of second pulling plate (10) offers The right side wall of second stock (18), second pulling plate (10) is fixedly installed with the second knob (19).

5. the vertical calculation template of multiplication according to claim 1, it is characterised in that: the right side wall of the main frame (1) is solid Dingan County is equipped with rubber block (20), and the upper side wall of the rubber block (20) offers bellmouth (21), the bellmouth (21) it is interior Side wall is fixedly installed with pull ring (23), the taper inserted with cone rubber bar (22), the upper end of the cone rubber bar (22) The lower end of rubber rods (22) is fixedly installed with limited block (24), and the lower wall of the rubber block (20) offers rectangular channel (25).