CN215294436U

CN215294436U - Teaching aid for mathematics and applied mathematics teaching

Info

Publication number: CN215294436U
Application number: CN202120026238.7U
Authority: CN
Inventors: 李媛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-12-24
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a mathematics and applied teaching aid for mathematical education. The technical key points are as follows: including the guard box, guard box one side is equipped with the opening, the guard box is close to the inside wall fixedly connected with actuating mechanism of ground one side, a plurality of connecting axle one end of the equal fixedly connected with in actuating mechanism's both ends, the connecting axle other end runs through and rotates to be connected in the guard box lateral wall, all overlap on a plurality of connecting axles and establish and the first sprocket of fixedly connected with, be equipped with the second sprocket in addition, second sprocket and first sprocket pass through chain drive and connect, run through and the fixedly connected with transmission shaft on the second sprocket, transmission shaft one end runs through and rotates to be connected in the guard box lateral wall, first fixed block of chain fixedly connected with and second fixed block, first fixed block one side fixedly connected with clipboard, fixedly connected with display screen on the second fixed block, display screen and clipboard all can arrange in the guard box inside. The utility model has the advantages that: the writing board can be used on the display screen respectively, and the structure is simple and easy to realize.

Description

Teaching aid for mathematics and applied mathematics teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a teaching aid is used in mathematics and applied mathematics teaching.

Background

Applied mathematics is a general term of various mathematical disciplines or branches with strong applicability, generally refers to a part with strong applicability in all mathematical theories and methods, is very important in the teaching of advanced mathematics, masters the basic theory and the basic method of mathematical science, and can cultivate and apply mathematical knowledge and solve the capability of practical problems by using a computer. In the teaching of present classroom, the teacher uses diversified teaching tool, and the use of electronic display screen and mathematics teaching show board has taken up very big proportion in the teaching.

The above prior art solution has the following drawbacks: show board and display screen need separately use, and current teaching aid operation is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a mathematics and applied teaching aid for mathematical education, its advantage that has: the first sprocket that sets up can rotate under actuating mechanism's drive to the drive belt through setting up will move transmission to the second sprocket, in the chain motion process, first fixed block can follow the chain and rise or descend, the second fixed block can follow the chain and descend or rise, can rise the display screen that falls simultaneously with the clipboard when needs use the clipboard, can use the display screen when needs, the clipboard falls, moreover, the steam generator is simple in structure, and the steam generator is easy to operate, can realize using respectively without rotatory teaching aid, and has strong practicality.

The above object of the present invention can be achieved by the following technical solutions:

a teaching aid for mathematics and applied mathematics teaching comprises a protective box, wherein an opening is formed in one side, far away from the ground, of the protective box, the opening direction is along the vertical direction, a driving mechanism is fixedly connected to the inner side wall, close to one side of the ground, of the protective box, two ends of the driving mechanism are respectively and fixedly connected with one end of a plurality of connecting shafts, the other ends of the connecting shafts are respectively and rotatably connected to the side wall of the protective box, a first chain wheel is sleeved and fixedly connected onto the connecting shafts, a second chain wheel is arranged, the second chain wheel is connected with the first chain wheel through chain transmission, a transmission shaft is connected onto the second chain wheel in a penetrating and fixedly connected manner, one end of the transmission shaft is connected onto the side wall of the protective box in a penetrating and rotating manner, a first fixed block and a second fixed block are fixedly connected onto the chain, a writing board is fixedly connected to one side of the inner side wall of the protective box by the first fixed block, fixedly connected with display screen on the second fixed block, the display screen with the clipboard all can be arranged in inside the guard box.

Through adopting above-mentioned technical scheme, the first sprocket of setting can rotate under actuating mechanism's drive, thereby the drive belt through setting up will move and transmit to the second sprocket, in the chain motion process, first fixed block can follow the chain and rise or descend, the second fixed block can follow the chain and descend or rise, can rise the display screen that falls simultaneously with the clipboard when needs use the clipboard, can be when needs use the display screen, the clipboard falls, moreover, the steam generator is simple in structure, and easy to operate can realize using respectively without rotatory teaching aid, and has strong practicality.

The present invention may be further configured in a preferred embodiment as: actuating mechanism includes the motor, the motor is dual output motor, the shell body fixed connection of motor in the guard box inside wall, the output fixedly connected with reduction gears of motor, reduction gears fixed connection in the guard box inside wall, reduction gears with connecting axle one end fixed connection.

By adopting the technical scheme, the set double-output motor can provide rotating power for the set first chain wheels simultaneously, so that the set first chain wheels obtain the same power, the stability of the display screen or the writing board in the ascending or descending process is ensured, the set speed reducing mechanism can reduce the rotating speed of the motor, and the stability of the working process is further ensured.

The present invention may be further configured in a preferred embodiment as: the speed reducing mechanism comprises a first bevel gear, the first bevel gear is sleeved with a sleeve and fixedly connected to the output end of the motor, the first bevel gear is meshed with a second bevel gear, the second bevel gear is penetrated by and fixedly connected with a supporting shaft, the supporting shaft is arranged along the vertical direction, one end of the supporting shaft close to the ground is inserted into the protecting box and is rotationally connected to the protecting box, the second bevel gear is meshed with a third bevel gear, and the third bevel gear is sleeved with a sleeve and is fixedly connected to the connecting shaft.

Through adopting above-mentioned technical scheme, the reduction gears who sets up decelerate the motor through a plurality of bevel gears that set up, and the bevel gear that sets up can obtain great speed reduction effect, and meanwhile, the bevel gear reduction gears transmission that sets up is stable, has higher precision, ensures the stability of display screen and clipboard lift in-process.

The present invention may be further configured in a preferred embodiment as: the protective box is close to lateral wall fixedly connected with bracing piece one end on one side of ground, the bracing piece sets up along vertical direction, bracing piece other end fixedly connected with elevating system one side, elevating system opposite side fixedly connected with base.

Through adopting above-mentioned technical scheme, the elevating system who sets up can go up and down according to the demand of difference, has promoted the practicality of device.

The present invention may be further configured in a preferred embodiment as: elevating system includes the cylinder, cylinder shell body fixed connection in ground one side is kept away from to the base, the cylinder direction of stretching out and drawing back is along vertical direction, cylinder output end fixedly connected with limiting plate one side, the limiting plate opposite side with the back shaft is close to ground one end fixed connection, the edge of limiting plate runs through and sliding connection has a plurality of gag lever posts, gag lever post one end fixed connection in ground one side is kept away from to the base.

Through adopting above-mentioned technical scheme, the cylinder that sets up can stretch out and draw back when needing, has both made things convenient for and has gone up and down according to teacher's different demands, has also made things convenient for the convenient removal that falls when removing, has stronger practicality, and limiting plate and the gag lever post of setting can provide the holding power at the flexible in-process of cylinder, improve the stability of lift in-process.

The present invention may be further configured in a preferred embodiment as: the base is close to the edge on one side of ground and is equipped with a plurality of universal wheels.

Through adopting above-mentioned technical scheme, the universal wheel of setting can be convenient to the removal of teaching aid.

To sum up, the utility model discloses a following at least one useful technological effect:

1. can rotate under actuating mechanism's drive through the first sprocket that sets up, thereby the drive belt through setting up will move the transmission to the second sprocket, in the chain motion process, first fixed block can follow the chain and rise or descend, the second fixed block can follow the chain and descend or rise, can rise the display screen that falls simultaneously with the clipboard when needs use the clipboard, can be when needs use the display screen, the clipboard falls, moreover, the steam generator is simple in structure, and the steam generator is easy to operate, can realize using respectively without rotatory teaching aid, and has strong practicality.

2. The double-output motor can provide rotating power for the plurality of first chain wheels, so that the plurality of first chain wheels obtain the same power, the stability of the display screen or the writing board in the ascending or descending process is ensured, the rotating speed from the motor can be reduced by the speed reducing mechanism, and the stability of the working process is further ensured.

3. The cylinder through setting up can stretch out and draw back when needing, has both made things convenient for and has gone up and down according to teacher's different demands, has also made things convenient for and has fallen the convenient removal when removing, has stronger practicality, and limiting plate and the gag lever post of setting can provide the holding power at the flexible in-process of cylinder, improve the stability of lift in-process.

Drawings

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

fig. 2 is a first view structural diagram of the present invention;

fig. 3 is a state diagram of the writing board of the present invention when it is raised.

Reference numerals: 1. a protection box; 2. an opening; 3. a drive mechanism; 31. a motor; 32. a speed reduction mechanism; 321. a first bevel gear; 322. a second bevel gear; 323. a support shaft; 324. a third bevel gear; 4. a connecting shaft; 5. a first sprocket; 6. a chain; 7. a second sprocket; 8. a drive shaft; 9. a first fixed block; 10. a second fixed block; 11. a writing board; 12. a display screen; 13. a support bar; 14. a lifting mechanism; 141. a cylinder; 142. a limiting plate; 143. a limiting rod; 15. a base; 16. a universal wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figures 1 and 2, a teaching aid for mathematics and applied mathematics teaching disclosed by the utility model comprises a protection box 1, an opening 2 is arranged on one side of the protection box 1 far from the ground, the opening 2 can facilitate the in and out of a writing board 11 and a display screen 12, the direction of the opening 2 is along the vertical direction, a driving mechanism 3 is fixedly connected with the inner side wall of one side of the protection box 1 near the ground, the driving mechanism 3 can realize double output, the stability of the motion process can be ensured, one end of a plurality of connecting shafts 4 is fixedly connected with both ends of the driving mechanism 3, the number of the connecting shafts 4 is two, the two connecting shafts 4 are symmetrically arranged about the protection box 1, the two connecting shafts 4 are positioned on the same axis, the other ends of the connecting shafts 4 are penetrated and rotatably connected with the side wall of the protection box 1, first chain wheels 5 are sleeved and fixedly connected with the connecting shafts 4, the number of the first chain wheels 5 is two, the two connecting shafts 4 are respectively sleeved with the two connecting shafts 4, the first chain wheel 5 is not interfered with the inner side wall of the protective box 1, the second chain wheel 7 is additionally arranged, the first chain wheel and the second chain wheel are connected through chain transmission, the second chain wheel 7 is completely the same as the first chain wheel 5, the first chain wheel 5 and the second chain wheel 7 are arranged on the same plane and on the same vertical straight line, stable lifting of a writing board 11 and a display screen 12 can be realized, a transmission shaft 8 penetrates through and is fixedly connected with the second chain wheel 7, one end of the transmission shaft 8 penetrates through and is rotatably connected with the side wall of the protective box 1, a first fixed block 9 and a second fixed block 10 are fixedly connected with the chain 6, the fixed connection mode has no specific requirements, the number of the first fixed blocks 9 and the number of the second fixed blocks 10 are two, the two first fixed blocks 9 and the two second fixed blocks 10 are arranged on the same horizontal straight line, when the first fixed block 9 is arranged on one side far away from the ground, the second fixed block 10 is arranged on one side near the ground, can realize when the clipboard 11 rises or descends, display screen 12 is for descending or rise, realizes using respectively, and first fixed block 9 is close to 1 inside wall one side fixedly connected with clipboard 11 of guard box, fixedly connected with display screen 12 on the second fixed block 10, and display screen 12 and clipboard 11 all can be placed in inside the guard box 1.

As shown in fig. 1, the driving mechanism 3 includes a motor 31, the motor 31 is a dual-output motor 31, the rotating speed of the motor 31 should be small, stable lifting is ensured, an outer shell of the motor 31 is fixedly connected to the inner side wall of the protection box 1, the fixed connection mode is through bolt connection, an output end of the motor 31 is fixedly connected to a speed reduction mechanism 32, the speed reduction mechanism 32 can enable the output rotating speed of the motor 31 to be reduced to the required stable lifting speed reduction, the speed reduction mechanism 32 is fixedly connected to the inner side wall of the protection box 1, the speed reduction mechanism 32 is fixedly connected to one end of the connecting shaft 4, and the fixed connection mode has no specific requirement.

As shown in fig. 1, the speed reducing mechanism 32 includes a first bevel gear 321, the diameter of the first bevel gear 321 is smaller, the number of the first bevel gears 321 is two, the first bevel gears 321 are symmetrically arranged with respect to the motor 31, the first bevel gear 321 is not interfered with the inner side wall of the protection box 1, the first bevel gear 321 is sleeved and fixedly connected with the output end of the motor 31, the first bevel gear 321 is engaged with a second bevel gear 322, the diameter of the second bevel gear 322 should be larger than the diameter of the first bevel gear 321 to obtain a larger transmission ratio for speed reduction, a support shaft 323 penetrates through and is fixedly connected to the second bevel gear 322, the support shaft 323 is not interfered with the connecting shaft 4, the support shaft 323 is arranged in a vertical direction, one end of the support shaft 323 close to the ground is inserted and rotatably connected to the protection box 1, the second bevel gear 322 is engaged with a third bevel gear 324, the diameter of the third bevel gear 324 should be larger to obtain a larger transmission ratio, the purpose of speed reduction is achieved, the third bevel gear 324 is not interfered with the inner side wall of the protection box 1, and the third bevel gear 324 is sleeved and fixedly connected with the connecting shaft 4.

As shown in fig. 1 and 3, the outer side wall of the protection box 1 near one side of the ground is fixedly connected with one end of a support rod 13, the support rod 13 is arranged along the vertical direction, the other end of the support rod 13 is fixedly connected with one side of an elevating mechanism 14, the elevating mechanism 14 can realize that the protection box 1 is elevated according to the requirement, and the other side of the elevating mechanism 14 is fixedly connected with a base 15.

As shown in fig. 1 and 3, the lifting mechanism 14 includes a cylinder 141, the power of the cylinder 141 meets the requirement, the outer shell of the cylinder 141 is fixedly connected to one side of the base 15 far away from the ground, the cylinder 141 stretches out and draws back in the vertical direction, the output end of the cylinder 141 is fixedly connected with one side of the limiting plate 142, the limiting plate 142 is arranged in the horizontal direction, the other side of the limiting plate 142 is close to one end of the ground with the supporting shaft 323, the corners of the limiting plate 142 are penetrated through and slidably connected with a plurality of limiting rods 143, the number of the limiting rods 143 is four, and one end of each limiting rod 143 is fixedly connected to one side of the base 15 far away from the ground.

The implementation principle of the embodiment is as follows: first sprocket 5 that sets up can rotate under actuating mechanism 3's drive, thereby transmit the motion to second sprocket 7 through the drive belt that sets up, in 6 motion processes of chain, chain 6 can be followed to first fixed block 9 and rise or descend, chain 6 can be followed to second fixed block 10 and fall or ascend, can rise clipboard 11 and descend display screen 12 simultaneously when needing to use clipboard 11, can use display screen 12 when needs, clipboard 11 descends, moreover, the steam generator is simple in structure, easy to operate, can realize using respectively without rotatory teaching aid, and the device has strong practicality.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a mathematics and applied mathematics teaching aid, includes guard box (1), its characterized in that, guard box (1) is kept away from ground one side and is equipped with opening (2), opening (2) direction is along vertical direction, guard box (1) is close to inside wall fixedly connected with actuating mechanism (3) of ground one side, the equal fixedly connected with a plurality of connecting axle (4) one end in both ends of actuating mechanism (3), a plurality of the connecting axle (4) other end runs through and rotates and connect in guard box (1) lateral wall, a plurality of all overlap on connecting axle (4) and establish and fixedly connected with first sprocket (5), be equipped with second sprocket (7) in addition, second sprocket (7) with first sprocket (5) are connected through chain (6) transmission, run through and fixedly connected with transmission shaft (8) on second sprocket (7), transmission shaft (8) one end runs through and rotates and connect in guard box (1) lateral wall, chain (6) first fixed block of fixedly connected with (9) and second fixed block (10), first fixed block (9) are close to guard box (1) inside wall one side fixedly connected with clipboard (11), fixedly connected with display screen (12) are gone up in second fixed block (10), display screen (12) with clipboard (11) all can be arranged in inside guard box (1).

2. The teaching aid for mathematics and applied mathematics teaching of claim 1, characterized in that actuating mechanism (3) includes motor (31), motor (31) are dual output motor (31), the shell body fixed connection of motor (31) in protection case (1) inside wall, the output fixedly connected with reduction gears (32) of motor (31), reduction gears (32) fixed connection in protection case (1) inside wall, reduction gears (32) with connecting axle (4) one end fixed connection.

3. The teaching aid for mathematics and applied mathematics teaching of claim 2, characterized in that, reduction gears (32) include first bevel gear (321), first bevel gear (321) cover establish and fixed connection in motor (31) output, first bevel gear (321) meshing has second bevel gear (322), run through and fixedly connected with back shaft (323) on second bevel gear (322), back shaft (323) set up along vertical direction, back shaft (323) are close to ground one end and insert establish and rotate connect in guard box (1), second bevel gear (322) meshing has third bevel gear (324), third bevel gear (324) cover establish and fixed connection in connecting axle (4).

4. A teaching aid for mathematics and applied mathematics teaching as claimed in claim 3, characterized in that the lateral wall of guard box (1) near one side of ground is fixedly connected with one end of a supporting rod (13), the supporting rod (13) is arranged along the vertical direction, the other end of the supporting rod (13) is fixedly connected with one side of a lifting mechanism (14), and the other side of the lifting mechanism (14) is fixedly connected with a base (15).

5. The teaching aid of claim 4, wherein the lifting mechanism (14) comprises a cylinder (141), the outer shell of the cylinder (141) is fixedly connected to one side, far away from the ground, of the base (15), the cylinder (141) extends and retracts in the vertical direction, the output end of the cylinder (141) is fixedly connected with one side of a limiting plate (142), the other side of the limiting plate (142) is fixedly connected with one end, near the ground, of the supporting shaft (323), the corners of the limiting plate (142) are connected with a plurality of limiting rods (143) in a penetrating and sliding mode, and one end of each limiting rod (143) is fixedly connected to one side, far away from the ground, of the base (15).

6. A teaching aid for mathematics and application mathematics according to claim 4, characterized in that the base (15) is provided with a plurality of universal wheels (16) at the corners of one side close to the ground.