CN212046620U

CN212046620U - Modified middle-position teaching aid for mathematical education

Info

Publication number: CN212046620U
Application number: CN202020105910.7U
Authority: CN
Inventors: 崔发昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-12-01
Anticipated expiration: 2030-01-17

Abstract

The utility model particularly relates to a teaching aid technical field especially relates to a teaching aid is used in middle-position mathematics teaching of modified, including show board and wiping bar, the front end upside and the downside of show board transversely are provided with the slide bar, and the front end fixed connection of fixed plate and show board is all passed through at the both ends of two slide bars, the slip through-hole that runs through about the upside and the downside of wiping bar all are provided with, and two slip through-hole slip covers establish the outside at two slide bars, the outside longitudinal sliding cover of wiping bar is equipped with cleans the piece, clean the front end of piece and install the handle, and the rear end of cleaning the piece is provided with cleans cloth, clean the rear end of cloth and the front end of show board and paste tightly, clean cloth and carry out the optional position at the front end of show board through the drive and clean, clean in time and convenient, improve teaching.

Description

Modified middle-position teaching aid for mathematical education

Technical Field

The utility model particularly relates to a teaching aid technical field especially relates to a teaching aid is used in middle-position vocational mathematics teaching of modified.

Background

Mathematics is a subject of studying concepts such as quantity, structure, variation, space, and information, and belongs to a form science from a certain point of view. A teaching aid for mathematical education is an auxiliary device for assisting teachers in performing mathematical education on students.

Through the retrieval, chinese patent publication is CN 204990854U's utility model discloses a modified teaching aid for mathematical education, including the storing seat, be equipped with the stand pipe on the storing seat, the stand pipe endotheca is equipped with the fall way, and the tip of fall way is equipped with the mathematical education show board, and the mathematical education show board is connected with the analysis board, is equipped with between analysis board and the mathematical education show board and folds paper.

The above patents suffer from the following disadvantages: it is not convenient for clean the mathematics characters after writing on the show board, and external use blackboard eraser often loses easily, when needs in time use, often can not find and influence teaching efficiency, leads to its use limitation higher.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing an improved teaching aid for middle-duty mathematical education.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a teaching aid is used in modified middle-position mathematics teaching, including show board and wiping bar, the front end upside and the downside of show board transversely are provided with the slide bar to the front end fixed connection of fixed plate and show board is all passed through at the both ends of two slide bars, the upside and the downside of wiping bar all are provided with the slip through-hole that runs through about, and two slip through-hole slip covers establish the outside at two slide bars, the outside longitudinal sliding cover of wiping bar is equipped with cleans the piece, clean the front end of piece and install the handle, and clean the rear end of piece and be provided with and clean cloth, clean the rear end of cloth and the front end of show board paste tightly.

Furthermore, the rear end of show board is attached to have the magnet board to the front end of show board adsorbs the set-square, ruler and the protractor that have the iron material.

Further, still include regulating plate and bottom plate, the bottom left side and the right side of regulating plate all through the extension board with the top left side and the right side longitudinal connection of bottom plate, and the bottom left side and the right side of show board all vertically are provided with the support column, and the left side and the right side of regulating plate all vertically are provided with sliding through hole, and two support columns slide and pass two sliding through hole and stretch out to the bottom of regulating plate, and the bottom of two support columns transversely is provided with the connecting plate, and the middle part of regulating plate is provided with the screw through-hole that runs through from top to bottom, and the screw is provided with the lead screw in the screw through-hole, the top and the bottom of lead screw.

Furthermore, a hand wheel is fixedly sleeved on the upper side of the outer portion of the lead screw and is positioned between the display board and the adjusting plate.

Furthermore, the bottom four corners of the bottom plate are provided with rollers.

Further, the cavity has all been seted up to the four corners position department of bottom plate bottom to inside damping spring and the limiting plate of all vertically being provided with of cavity, the limiting plate is located damping spring's downside, and the bottom of cavity is provided with and the communicating support through-hole in the external world, and supports the inside pillar that is provided with of through-hole, and the top of pillar is connected with the bottom middle part of limiting plate, the bottom of pillar with the top of gyro wheel is connected.

Furthermore, a bearing seat is arranged at the top end of the roller, a bearing is arranged inside the bearing seat, and the bottom end of the strut is inserted into an inner ring of the bearing.

Furthermore, the rear end of the wiping block is provided with a mounting plate through a bolt, and the wiping cloth is connected to the rear end of the mounting plate.

The utility model has the advantages that: through the cooperation of slide bar and slip through-hole, the wiping rod of being convenient for is along the direction lateral shifting of slide bar, makes and wipes cloth and can horizontal position control, through the wiping rod with wipe the vertical sliding fit between the piece, can drive and wipe cloth longitudinal movement to can drive and wipe cloth and carry out the optional position at the front end of show board and clean, clean in time and convenient, improve teaching efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the display board and the magnet board according to the present invention;

FIG. 3 is a schematic diagram of the right view structure of the connection of the wiping block, the handle, the mounting plate and the bolt of the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 5 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.

In the figure: 1. a display board; 2. a wiping lever; 3. a slide bar; 4. a wiping block; 5. a handle; 6. wiping cloth; 7. a magnet plate; 8. a set square; 9. a straightedge; 10. a protractor; 11. an adjusting plate; 12. a base plate; 13. a support pillar; 14. a connecting plate; 15. a lead screw; 16. a hand wheel; 17. a roller; 18. a damping spring; 19. a limiting plate; 20. a pillar; 21. a bearing seat; 22. mounting a plate; 23. and (4) bolts.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, an improved teaching aid for middle-duty mathematics teaching comprises a display board 1 and a wiping rod 2, slide rods 3 are transversely arranged on the upper side and the lower side of the front end of the display board 1, both ends of the two slide rods 3 are fixedly connected with the front end of the display board 1 through a fixing plate, sliding through holes penetrating left and right are arranged on the upper side and the lower side of the wiping rod 2, the two sliding through holes are slidably sleeved outside the two slide rods 3, a wiping block 4 is longitudinally slidably sleeved outside the wiping rod 2, a handle 5 is arranged at the front end of the wiping block 4, the wiping block 4 is convenient to move through the handle 5, a wiping cloth 6 is arranged at the rear end of the wiping block 4, the rear end of the wiping cloth 6 is tightly attached to the front end of the display board 1, the wiping rod 2 is convenient to transversely move along the direction of the slide rods 3 through the matching of the slide rods 3 and the sliding through holes, so, through the cooperation of wiping rod 2 and wiping the vertical sliding between 4, can drive and wipe 6 longitudinal movement of cloth to can drive and wipe cloth 6 and carry out the optional position at the front end of show board 1 and clean, clean timely and convenient, improve teaching efficiency, the rear end of wiping piece 4 installs mounting panel 22 through bolt 23, wipe cloth 6 and connect the rear end at mounting panel 22, through the dismantlement of bolt 23, the mounting panel 22 of being convenient for is dismantled together with wiping cloth 6, thereby is convenient for wash or change the dismantlement of wiping cloth 6.

It should be noted in addition that the rear end of show board 1 is attached to magnet board 7 to the front end of show board 1 adsorbs set-square 8, ruler 9 and the protractor that has the iron material, through the attraction between set-square 8, ruler 9 and the protractor 10 and the magnet board 7 of iron material, the teacher of being convenient for draws mathematical graph on show board 1, prevent that the position after aiming at between set-square 8, ruler 9 and the protractor 10 instrument and the show board 1 from taking place relative slip and influence the setting-out position, reduce teacher's hard and press, convenient operation, the setting-out is accurate.

It should be further noted that the display device also comprises an adjusting plate 11 and a bottom plate 12, the left side and the right side of the bottom end of the adjusting plate 11 are longitudinally connected with the left side and the right side of the top end of the bottom plate 12 through support plates, the left side and the right side of the bottom end of the display plate 1 are longitudinally provided with support columns 13, the left side and the right side of the adjusting plate 11 are longitudinally provided with sliding through holes, the two support columns 13 slide through the two sliding through holes and extend to the bottom end of the adjusting plate 11, the bottom ends of the two support columns 13 are transversely provided with a connecting plate 14, the middle part of the adjusting plate 11 is provided with a threaded through hole which penetrates up and down, a screw 15 is arranged in the threaded through hole, the top end and the bottom end of the screw 15 are respectively rotatably connected with the bottom end of the display plate 1 and the top end of the connecting, the multifunctional teaching aid can be suitable for students in different positions to observe and use, and can be suitable for teachers in different heights to use for teaching, a hand wheel 16 is fixedly sleeved on the upper side of the outer portion of the lead screw 15, the hand wheel 16 is located between the display board 1 and the adjusting board 11, the lead screw 15 is convenient for teachers to rotate, labor is saved, the bottom four corners of the bottom board 12 are provided with idler wheels 17, the whole body can conveniently move and the teaching use position can be changed, the four corners of the bottom board 12 are provided with cavities, damping springs 18 and limiting plates 19 are longitudinally arranged in the cavities, the limiting plates 19 are located on the lower sides of the damping springs 18, supporting through holes communicated with the outside are arranged at the bottom ends of the cavities, supporting columns 20 are arranged in the supporting through holes, the top ends of the supporting columns 20 are connected with the middle portions of the bottom, through the scalability of damping spring 18, make pillar 20 can drive gyro wheel 17 bradyseism from top to bottom to can improve the bradyseism ability of show board 1 when removing the teaching position, the top of gyro wheel 17 is provided with bearing frame 21 to bearing frame 21 is inside to be provided with the bearing, the bottom of pillar 20 inserts in the inner circle of bearing, makes things convenient for gyro wheel 17 turned angle, thereby turns to when being convenient for show board 1 adjustment teaching position.

The working principle of the embodiment is as follows: during the use, at first, with show board 1 through gyro wheel 17 the rotation can turn to remove to teaching user position, gyro wheel 17 chooses for use the common gyro wheel 17 that has self-locking function on the market, with the wheel locking, guarantee to show board 1 place stably, then rotate hand wheel 16, adjust show board 1 to suitable use height, carry out mathematical education through show board 1, and through the set-square 8 of iron material, the mathematics figure is drawn on show board 1 to ruler 9 and protractor 10, high durability and convenient use, when needs clean show board 1, can clean the position through using handle 5, transversely or longitudinal sliding wipe cloth 6 and clean can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a teaching aid is used in middle-position mathematics teaching of modified, includes show board (1), its characterized in that: still include wiping bar (2), the front end upside and the downside of show board (1) transversely are provided with slide bar (3), and the both ends of two slide bar (3) all are through the front end fixed connection of fixed plate with show board (1), the upside and the downside of wiping bar (2) all are provided with the slip through-hole that runs through about, and two slip through-holes slip the cover and establish the outside at two slide bar (3), the outside longitudinal sliding cover of wiping bar (2) is equipped with wipes piece (4), wipe handle (5) installed to the front end of piece (4), and the rear end of wiping piece (4) is provided with wipes cloth (6), the rear end of wiping cloth (6) is pasted tightly with the front end of show board (1).

2. An improved teaching aid for middle-aged mathematics as claimed in claim 1, wherein: the rear end of the display board (1) is attached with a magnet board (7), and the front end of the display board (1) is attached with a triangular plate (8), a straight ruler (9) and a protractor (10) which are made of iron materials.

3. An improved teaching aid for middle-aged mathematics as claimed in claim 1, wherein: still include regulating plate (11) and bottom plate (12), the bottom left side and the right side of regulating plate (11) all through the extension board with the top left side and the right side longitudinal connection of bottom plate (12), and the bottom left side and the right side of show board (1) all vertically are provided with support column (13), and the left side and the right side of regulating plate (11) all vertically are provided with sliding through hole, and two sliding through hole are passed in two support column (13) slides and stretch out to the bottom of regulating plate (11), and the bottom of two support column (13) transversely is provided with connecting plate (14), and the middle part of regulating plate (11) is provided with the screw through-hole that runs through from top to bottom, and threaded through-hole threaded connection has set up lead screw (15), the top and the bottom of lead screw (15) respectively with the bottom of show board (1).

4. An improved teaching aid for middle-aged mathematics as claimed in claim 3, wherein: the hand wheel (16) is fixedly sleeved on the upper side of the outer part of the lead screw (15), and the hand wheel (16) is positioned between the display board (1) and the adjusting board (11).

5. An improved teaching aid for middle-aged mathematics as claimed in claim 3, wherein: and idler wheels (17) are arranged at four corners of the bottom end of the bottom plate (12).

6. An improved teaching aid for middle-aged mathematics as claimed in claim 5, wherein: the cavity has all been seted up to the four corners position department of bottom plate (12) bottom to inside damping spring (18) and the limiting plate (19) of all vertically being provided with of cavity, limiting plate (19) are located damping spring (18) downside, and the bottom of cavity is provided with the communicating support through-hole with the external world, and supports through-hole inside and be provided with pillar (20), and the top of pillar (20) is connected with the bottom middle part of limiting plate (19), the bottom of pillar (20) with the top of gyro wheel (17) is connected.

7. An improved teaching aid for middle-aged mathematics as claimed in claim 6, wherein: the top end of the roller (17) is provided with a bearing seat (21), a bearing is arranged inside the bearing seat (21), and the bottom end of the strut (20) is inserted into an inner ring of the bearing.

8. An improved teaching aid for middle-aged mathematics as claimed in claim 1, wherein: the rear end of the wiping block (4) is provided with a mounting plate (22) through a bolt (23), and the wiping cloth (6) is connected to the rear end of the mounting plate (22).