CN210983898U - Addition, subtraction, multiplication and division hybrid operation teaching auxiliary device - Google Patents
Addition, subtraction, multiplication and division hybrid operation teaching auxiliary device Download PDFInfo
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- CN210983898U CN210983898U CN201922292120.4U CN201922292120U CN210983898U CN 210983898 U CN210983898 U CN 210983898U CN 201922292120 U CN201922292120 U CN 201922292120U CN 210983898 U CN210983898 U CN 210983898U
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- multiplication
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 239000011324 bead Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 210000004556 brain Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an add and subtract, take advantage of and divide mixed operation teaching auxiliary device, its constitution includes: supporting baseplate and carriage, fixed surface installation locking truckle under the supporting baseplate, the threaded connection supports the cover on the supporting baseplate, insert the bracing piece in the supporting sleeve and pass through the spacing fixed of bolt, carriage bottom fixed connection bearing frame, the bracing piece top cup joints the bearing and rotates and install in the bearing frame, carriage top activity grafting installation lamp box, articulated connection is opened the door on the side about the carriage, the medial surface fixed mounting magnetism clipboard that opens the door, adsorb the briquetting on the magnetism clipboard, the operation axle piece is pegged graft in the carriage interior activity, carriage bottom fixed mounting storage drawer. The device structural design is reasonable, and the operation is very convenient, and improvement student's that can be fine interest in learning through the hand-held exercise, deepens the study impression, improves the learning effect, has extensive practicality.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is an add subtract to multiply and divide mixed operation teaching auxiliary device.
Background
The addition, subtraction, multiplication and division hybrid operation is a knowledge point that every student will learn and master, the teacher is when carrying out mathematics addition, subtraction, multiplication and division teaching, often need write a lot of formulas on the blackboard and supply with the student and watch and calculate, this kind of traditional teaching mode, because the spatial dimension of blackboard is limited, the teacher writes also very tired, and this traditional teaching mode, the student is very boring and boring when studying, can not arouse student's interest in learning, consequently, it makes things convenient for the teacher to teach and use to propose an addition, subtraction, multiplication and division hybrid operation teaching auxiliary device, the combination of manual and brain thinking has been realized, student's comprehension ability has been increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an add subtract to multiply and divide mixed operation teaching auxiliary device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an addition, subtraction, multiplication and division hybrid operation teaching auxiliary device comprises: supporting baseplate and carriage, fixed surface installation locking truckle under the supporting baseplate, the threaded connection supports the cover on the supporting baseplate, insert the bracing piece in the supporting sleeve and pass through the spacing fixed of bolt, carriage bottom fixed connection bearing frame, the bracing piece top cup joints the bearing and rotates and install in the bearing frame, carriage top activity grafting installation lamp box, articulated connection is opened the door on the side about the carriage, the medial surface fixed mounting magnetism clipboard that opens the door, adsorb the briquetting on the magnetism clipboard, the operation axle piece is pegged graft in the carriage interior activity, carriage bottom fixed mounting storage drawer.
Preferably, the auxiliary device for teaching the addition, subtraction, multiplication and division hybrid operation is characterized in that an internal thread sleeve is embedded into the center of the upper surface of the supporting base plate, a threaded rod is arranged at the bottom of the supporting sleeve, and the supporting sleeve is screwed into the internal thread sleeve through the threaded rod and is connected to the supporting base plate through threads.
Preferably, the addition, subtraction, multiplication, division and mixing operation teaching auxiliary device is characterized in that a plurality of limiting holes are formed in the supporting rod, the limiting holes are vertically arranged at equal intervals, the supporting sleeve is provided with jacks, and the supporting rod is inserted into the supporting sleeve and penetrates through the jacks to be inserted into the limiting holes to limit and fix the supporting rod.
Preferably, the addition, subtraction, multiplication and division hybrid operation teaching auxiliary device comprises a shaft lever, two ends of the shaft lever are in threaded connection with T-shaped insertion blocks, two side faces of the inner wall of the supporting frame are provided with T-shaped slots matched with the T-shaped insertion blocks, the shaft lever is inserted into the T-shaped slots through the T-shaped insertion blocks and is installed in the supporting frame in an inserted mode, square blocks are sleeved on the shaft lever, and separating rings are arranged between the square blocks.
Preferably, add and subtract to multiply and divide mixed operation teaching auxiliary device, the lamp box includes the box body, box body top fixed connection lamp plate, L ED lamp pearl of lamp plate side fixed mounting, the box body lower surface is provided with the several inserted bar, the several slot has been seted up at the carriage top, the lamp box inserts the interpolation of slot through the inserted bar and installs at the carriage top, the square groove has been seted up to the box body side, the battery has been put into to the square groove, the battery passes through the connecting wire and the switch is connected with L ED lamp pearl, the switch sets up on the carriage lateral wall.
Compared with the prior art, the beneficial effects of the utility model are that: the device structural design is reasonable, and the operation is very convenient, and improvement student's that can be fine interest in learning through the hand-held exercise, deepens the study impression, improves the learning effect, has extensive practicality.
1. Through setting up the locking truckle at the supporting baseplate lower surface, make things convenient for the device to carry out the position in the classroom and remove, or the mr when giving lessons different classes, can carry out the device between the class and remove, be provided with the bracing piece on the supporting baseplate and support the cover, the bracing piece can stretch out and draw back from top to bottom in supporting the cover and pass through the bolt spacing fixed, can come the holistic height of adjusting device through the flexible distance that changes the bracing piece in the supporting sleeve like this, make things convenient for the student to operate, also make things convenient for other classmates to watch simultaneously, rotate between bracing piece top and the carriage and be connected, can adjust the angle of torsion of carriage like this, make things convenient for its classmates at different angles to watch.
2. At carriage top movable mounting lamp box, and the direction of illumination that L ED lamp pearl of lamp box set up shines downwards, in the carriage of direct irradiation, convenient when light is not enough, the student watches, and the lamp box adopts the power supply mode of battery simultaneously, need not external power supply, has strengthened its practicality, and movable mounting is convenient to the change that charges of battery, and it is more convenient to use.
3. Articulated installation magnetism clipboard is connected at the carriage, and the teacher of giving lessons can write the content of giving lessons on the magnetism clipboard, or comes some picture courseware demonstratees of clamping through the briquetting on the magnetism clipboard, makes things convenient for the teaching more, and the student of reinforcing understands.
4. The operation axle piece is installed to the movable mounting in the carriage, embolias the square block on the axostylus axostyle, sets up digit, addition and subtraction multiplication and division operation symbol, equal sign etc. on the square block, and the student can calculate and obtain the result through stirring the square block, and the understanding ability of student has been increased in the combination of manual and brain thinking.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the door of the present invention.
Fig. 3 is a schematic view of the support sleeve of the present invention.
Fig. 4 is a schematic view of the shaft rod and the T-shaped insert block of the present invention.
Fig. 5 is an installation schematic diagram of the lamp box and the supporting frame of the present invention.
Fig. 6 is a schematic view of the surface of the support rod of the present invention.
In the drawing, 1, locking casters, 2, a supporting bottom plate, 3, a threaded rod, 4, an internal thread sleeve, 5, a supporting sleeve, 6, a bolt, 7, a supporting rod, 8, a bearing, 9, a bearing seat, 10, a storage drawer, 11, a door, 12, a T-shaped insert block 13, a T-shaped slot, 14, a shaft rod, 15, a square block, 16, a separating ring, 17, a lamp box, 18, a pressing block, 19, a jack, 20, a limiting hole, 21, a supporting frame, 22, a square groove, 23, an insert rod, 24, a box body, 25, a storage battery, 26, a square groove, 27, a lamp panel, 28, L, lamp beads, 29, a slot, 30 and a magnetic writing board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an addition, subtraction, multiplication and division hybrid operation teaching auxiliary device comprises: the device comprises a supporting base plate 2 and a supporting frame 21, wherein locking trundles 1 are fixedly arranged on the lower surface of the supporting base plate 2, the upper surface of the supporting base plate 2 is in threaded connection with a supporting sleeve 5, a supporting rod 7 is inserted into the supporting sleeve 5 and is limited and fixed through a bolt 6, a bearing seat 9 is fixedly connected with the bottom of the supporting frame 21, a bearing 8 is sleeved at the top of the supporting rod 7 and is rotatably arranged in the bearing seat 9, a lamp box 17 is movably inserted and installed at the top of the supporting frame 21, the left side surface and the right side surface of the supporting frame 21 are hinged and connected with an opening door 11, a magnetic writing board 30 is fixedly arranged on the inner side surface of the opening door 11, a pressing block 18 is adsorbed on the magnetic writing board 30, an operation shaft element is movably inserted and installed in the supporting frame 21, a storage drawer 10 is fixedly arranged at the bottom of the supporting frame 21, can carry out the device removal between the class, be provided with the bracing piece and support the cover on the supporting baseplate, the bracing piece can stretch out and draw back from top to bottom and pass through the bolt spacing fixed in supporting the cover, can come the holistic height of adjusting device through the flexible distance that changes the bracing piece in supporting the cover like this, make things convenient for the student to operate, also make things convenient for other classmates to watch simultaneously, rotate between bracing piece top and the carriage and be connected, the angle of torsion that can adjust the carriage like this, make things convenient for it to watch at the classmate of different angles, connect articulated installation magnetism clipboard at the carriage, mr gives lessons can write the content of giving lessons on the magnetism clipboard, or come some picture courseware demonstratees through the briquetting on the magnetism clipboard, more convenient teaching, the study understanding of the student of reinforcing.
Specifically, an internal thread sleeve 4 is embedded and installed in the center of the upper surface of the supporting bottom plate 2, a threaded rod 3 is arranged at the bottom of the supporting sleeve 5, and the supporting sleeve 5 is screwed into the internal thread sleeve 4 through the threaded rod 3 and is connected to the supporting bottom plate 2 in an internal thread mode.
Specifically, a plurality of limiting holes 20 are formed in the supporting rod 7, the limiting holes 20 are vertically arranged at equal intervals, the supporting sleeve 5 is provided with an insertion hole 19, and the supporting rod 7 is inserted into the supporting sleeve 5 and penetrates through the insertion hole 19 through the plug pin 6 to be inserted into the limiting holes 20 to limit and fix the supporting rod 7.
Specifically, the operation shaft comprises a shaft rod 14, two ends of the shaft rod 14 are in threaded connection with T-shaped insertion blocks 12, two side faces of the inner wall of the support frame 21 are provided with T-shaped slots 13 matched with the T-shaped insertion blocks 12, the shaft rod 14 is inserted into the T-shaped slots 13 through the T-shaped insertion blocks 12 and is installed in the support frame 21 in an inserted mode, square blocks 15 are sleeved on the shaft rod 14, a separation ring 16 is arranged between the square blocks 15, the operation shaft is movably installed in the support frame, the square blocks are sleeved on the shaft rod, numbers, addition, subtraction, multiplication and division operation symbols, equal signs and the like are arranged on the square blocks, students can operate and obtain results by shifting the square blocks, manual and brain thinking are combined, and understanding ability of students is improved.
Specifically, lamp box 17 includes box body 24, box body 24 side fixed connection lamp plate 27, lamp plate 27 bottom fixed mounting L ED lamp pearl 28, the 24 lower surfaces of box body are provided with several inserted bar 23, several slot 29 has been seted up at carriage 21 top, lamp box 17 inserts the interpolation of slot 29 through inserted bar 23 and installs at carriage 21 top, square groove 26 has been seted up to box body 24 side, place battery 25 in the square groove 26, battery 25 passes through connecting wire and switch 22 and L ED lamp pearl 28 are connected, switch 22 sets up on carriage 21 lateral wall, at carriage top movable mounting lamp box, and the direction of illumination that L ED lamp pearl of lamp box set up is downward irradiation, in the carriage of direct irradiation, conveniently when light is not enough, the student watches, and the lamp box adopts the power supply mode of battery simultaneously, need not external power supply, has strengthened its practicality, and movable mounting is convenient to charge the battery and is changed, and it is more convenient to use.
The working principle is that when the multifunctional desk lamp is used and operated, locking trundles are arranged on the lower surface of a supporting base plate, the multifunctional desk lamp facilitates position movement of a device in a classroom, or a teacher can move the device between classes when giving lessons at different classes, a supporting rod and a supporting sleeve are arranged on the supporting base plate, the supporting rod can stretch up and down in the supporting sleeve and is limited and fixed through a bolt, the overall height of the multifunctional desk lamp can be adjusted by changing the stretching distance of the supporting rod in the supporting sleeve, the multifunctional desk lamp facilitates operation of students, other students can watch conveniently, meanwhile, the top of the supporting rod is rotatably connected with the supporting frame, the twisting angle of the supporting frame can be adjusted, the multifunctional desk lamp facilitates watching at the students at different angles, a magnetic writing board is connected and hinged to the supporting frame, the teacher can write lessons on the magnetic writing board, or a pressing block on the magnetic writing board is used for clamping pictures and displaying, the multifunctional desk lamp is more convenient for teaching, the enhanced study and understanding of students, the multifunctional desk lamp is convenient to use, the multifunctional desk lamp which can be installed in a mode that the multifunctional desk lamp can be used for directly and the students, the multifunctional desk lamp can conveniently change light lamp, the multifunctional desk lamp can conveniently, and the multifunctional desk lamp can conveniently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An addition, subtraction, multiplication and division hybrid operation teaching auxiliary device comprises: supporting baseplate (2) and carriage (21), characterized by: the lower surface of the supporting bottom plate (2) is fixedly provided with a locking caster (1), the upper surface of the supporting bottom plate (2) is in threaded connection with a supporting sleeve (5), a support rod (7) is inserted into the support sleeve (5) and is limited and fixed by a bolt (6), the bottom of the supporting frame (21) is fixedly connected with a bearing seat (9), the top of the supporting rod (7) is sleeved with a bearing (8) and is rotatably arranged in the bearing seat (9), the top of the supporting frame (21) is movably inserted with a lamp box (17), the left side and the right side of the supporting frame (21) are hinged with an opening door (11), a magnetic writing board (30) is fixedly arranged on the inner side surface of the opening door (11), a pressing block (18) is adsorbed on the magnetic writing board (30), the operation shaft piece is movably inserted and installed in the supporting frame (21), and the storage drawer (10) is fixedly installed at the bottom of the supporting frame (21).
2. The addition, subtraction, multiplication, and division hybrid teaching assistance apparatus according to claim 1, wherein: support bottom plate (2) upper surface center department embedding installation internal thread cover (4), support cover (5) bottom and be provided with threaded rod (3), support cover (5) and twist into internal thread cover (4) internal thread through threaded rod (3) and connect on support bottom plate (2).
3. The addition, subtraction, multiplication, and division hybrid teaching assistance apparatus according to claim 1, wherein: the supporting rod (7) is provided with a plurality of limiting holes (20), the limiting holes (20) are vertically arranged at equal intervals, the supporting sleeve (5) is provided with an insertion hole (19), the supporting rod (7) is inserted into the supporting sleeve (5) and penetrates through the insertion hole (19) through the plug pin (6) to be inserted into the limiting holes (20) to limit and fix the supporting rod (7).
4. The addition, subtraction, multiplication, and division hybrid teaching assistance apparatus according to claim 1, wherein: the operation shaft comprises a shaft rod (14), two ends of the shaft rod (14) are in threaded connection with T-shaped insertion blocks (12), two side faces of the inner wall of the support frame (21) are provided with T-shaped slots (13) matched with the T-shaped insertion blocks (12), the shaft rod (14) is inserted into the T-shaped slots (13) through the T-shaped insertion blocks (12) and is installed in the support frame (21) in an inserting mode, square block bodies (15) are sleeved on the shaft rod (14), and separating rings (16) are arranged between the square block bodies (15).
5. The addition, subtraction, multiplication and division hybrid operation teaching auxiliary device according to claim 1, wherein the lamp box (17) comprises a box body (24), the side surface of the box body (24) is fixedly connected with a lamp panel (27), the bottom of the lamp panel (27) is fixedly installed with L ED lamp beads (28), a plurality of insertion rods (23) are arranged on the lower surface of the box body (24), a plurality of insertion slots (29) are formed in the top of the supporting frame (21), the lamp box (17) is inserted into the insertion slots (29) through the insertion rods (23) and installed at the top of the supporting frame (21) in an inserting mode, a square groove (26) is formed in the side surface of the box body (24), a storage battery (25) is arranged in the square groove (26), the storage battery (25) is connected with the L ED lamp beads (28) through a connecting wire and a switch (22), and the switch (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922292120.4U CN210983898U (en) | 2019-12-19 | 2019-12-19 | Addition, subtraction, multiplication and division hybrid operation teaching auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922292120.4U CN210983898U (en) | 2019-12-19 | 2019-12-19 | Addition, subtraction, multiplication and division hybrid operation teaching auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210983898U true CN210983898U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922292120.4U Expired - Fee Related CN210983898U (en) | 2019-12-19 | 2019-12-19 | Addition, subtraction, multiplication and division hybrid operation teaching auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210983898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382141A (en) * | 2020-11-19 | 2021-02-19 | 唐山学院 | Demonstration teaching aid is used in colleges and universities EXECL financial management teaching |
-
2019
- 2019-12-19 CN CN201922292120.4U patent/CN210983898U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382141A (en) * | 2020-11-19 | 2021-02-19 | 唐山学院 | Demonstration teaching aid is used in colleges and universities EXECL financial management teaching |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |