CN111369834A - Preschool education is with multi-functional teaching device - Google Patents
Preschool education is with multi-functional teaching device Download PDFInfo
- Publication number
- CN111369834A CN111369834A CN202010256003.7A CN202010256003A CN111369834A CN 111369834 A CN111369834 A CN 111369834A CN 202010256003 A CN202010256003 A CN 202010256003A CN 111369834 A CN111369834 A CN 111369834A
- Authority
- CN
- China
- Prior art keywords
- movable plate
- cam
- rotating shaft
- arc
- conveyor belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
- G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
- G09B1/04—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols
- G09B1/06—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a single symbol or a single combination of symbols and being attachable to, or mounted on, the support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention relates to a teaching tool, in particular to a multifunctional teaching device for preschool education, and belongs to the technical field of preschool education. The cam of the invention rotates a circle, the grooved wheel rotates 1/4 circles, the conveyor belt moves a working position, each working position of the conveyor belt is provided with a group of pictures containing patterns and pictures containing names, the upper conveyor belt is provided with pictures containing patterns, the lower conveyor belt is provided with pictures containing names, and the upper and lower conveyor belts synchronously convey pictures to realize picture-text contrast teaching. The cam is mainly divided into four stages in the process of clockwise rotating for one circle from the initial position, and the first stage is used for teaching children to recognize and learn patterns displayed by the upper conveyor belt and names displayed by the lower conveyor belt for the first time; the second stage is used for imagining the upper pattern by displaying the name of the lower part; the third stage is used for teaching children to recognize and learn patterns displayed by the upper conveyor belt and names displayed by the lower conveyor belt for the second time; the fourth stage is to imagine the name below by displaying the pattern above.
Description
Technical Field
The invention relates to a teaching tool, in particular to a multifunctional teaching device for preschool education, and belongs to the technical field of preschool education.
Background
Preschool Education (Preschool Education) is Education in which parents and young students systematically, programmatically, scientifically and scientifically stimulate their brains by various methods, entities, and so on to gradually improve the functions of various parts of the brains. Preschool education is one of the important contents of preschool education and is a part of the scientific system constituting the preschool education. Children are the basic stage of intelligence development of life and the fastest development period, and proper and correct preschool education plays a great role in the intelligence development of children and the development of children in the future. None of the development of very young children is associated with adequate and correct preschool education, especially preschool education in intelligence. To provide preschool education for children, most preschool education teaching boards are used for teaching knowledge to children. However, most of the conventional teaching boards for preschool education are common teaching boards, which are easy to write and erase, but it is difficult to attract the attention of children and excite the imagination of children, and thus it is difficult to improve the learning effect and imagination of children. Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a multifunctional teaching device for preschool education that can realize the graph-text contrast teaching, attract the attention of children, and stimulate the imagination of children.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is how to provide a multifunctional teaching device for pre-academic education, which can realize image-text comparison teaching, attract the attention of children and stimulate the imagination of children.
In order to solve the technical problems, the invention provides a multifunctional teaching device for preschool education, which comprises a shell, a transmission mechanism and an execution mechanism, wherein the transmission mechanism is positioned in the shell, the execution mechanism is connected with the transmission mechanism, the shell comprises a front shell and a rear shell, the front shell is detachably connected with the rear shell, a teaching white board is arranged on the outer surface of the front shell, observation windows are respectively formed in the teaching white board and the front shell, a plurality of heat dissipation holes are formed in the outer surface of the rear shell, and a motor base is fixedly arranged on the inner surface of the rear shell.
As a further improvement of the present invention, the transmission mechanism includes a servo motor, a coupler, a rotating shaft, a cam, a sheave transmission mechanism, a bevel gear transmission mechanism and a belt transmission mechanism, the rotating shaft includes a first rotating shaft, a second rotating shaft and a third rotating shaft, one end of the first rotating shaft is connected to the output end of the servo motor through the coupler, the other end is rotatably installed in the first mounting seat hole, the sheave transmission mechanism includes a notched disc, a shift lever and a sheave, the notched disc and the cam are both fixedly connected to the first rotating shaft through a key connection, the shift lever is fixedly connected to the notched disc, the bevel gear transmission mechanism includes a first bevel gear and a second bevel gear which are engaged with each other, and a third bevel gear and a fourth bevel gear which are engaged with each other, the sheave and the first bevel gear are both fixedly connected to the second rotating shaft through a key connection, the second bevel gear and the third bevel gear are fixedly connected with the third rotating shaft through key connection, the fourth bevel gear is fixedly connected with the first pulley shaft through key connection, the belt transmission mechanism comprises a first belt wheel shaft, a second belt wheel shaft, a belt wheel and a conveyor belt, an upper rotary shaft seat and a lower rotary shaft seat are arranged on the inner surface of the front shell, the first pulley shaft and the second pulley shaft are rotatably arranged on the upper shaft seat and the lower shaft seat, the two ends of the first pulley shaft and the second pulley shaft are both fixedly provided with the pulleys, the two pulleys at the same horizontal height are connected through a conveyor belt, the belt wheel is fixedly connected with the first belt wheel shaft and the second belt wheel shaft through keys, pictures with patterns are detachably stuck on the surface of the upper conveying belt, and pictures with names are detachably stuck at the corresponding position of the lower conveying belt.
As a further improvement of the invention, the actuating mechanism comprises an upper movable plate, an upper inserting plate, an upper connecting spring, a lower movable plate, a lower inserting plate and a lower connecting spring, wherein the upper movable plate and the lower movable plate are respectively positioned at the upper side and the lower side of the cam and are always in high secondary line contact with the cam under the action of spring force, the upper movable plate is fixedly connected with the upper inserting plate, the lower movable plate is fixedly connected with the lower inserting plate, the front shell is provided with an upper inserting groove and a lower inserting groove, the upper inserting plate and the lower inserting plate are respectively inserted into the upper inserting groove and the lower inserting groove in a sliding manner, the front shell is provided with an upper rectangular groove and a lower rectangular groove, the upper connecting spring is installed in the upper inserting groove in a compression manner, one end of the upper connecting spring is fixedly connected with the upper movable plate, the other end of the upper connecting spring is fixedly connected with the lower end face, the other end is fixedly connected with the upper end surface of the lower slot.
As a further improvement of the invention, the cam outer contour line has a circle center of 01Arc AB, straight line BC, center of circle 02The circular arc CD and the straight line DA are enclosed, the circular arc AB is tangent to the straight line BC, the straight line BC is tangent to the circular arc CD, the circular arc CD is tangent to the straight line DA, the straight line DA is tangent to the circular arc AB, the first rotating shaft and the second rotating shaft are installed at the same horizontal height, the extending end of the shift lever is provided with a cylindrical pin, the circle center of the sheave is 03Four radial grooves are arranged in the circumferential direction, and at the initial position, the connecting line of the first rotating shaft and the second rotating shaft is 0203And the axis of symmetry 0 of the cam102Collinear, said deflector rod symmetry axis 02E and the center line 0203The included angle a between is 45 degrees, and the cylindric lock on the driving lever is about to break away from the radial groove of sheave, go up fly leaf, lower fly leaf and move extreme position and contact with cam circular arc CD under the spring force effect of last connecting spring, lower connecting spring respectively, at this moment, with last fly leaf fixed connection's last picture peg and with lower fly leaf fixed connection's lower picture peg also move extreme position, observation window is in complete open mode.
As a further improvement of the present invention, an upper display area, an explanation area and a lower display area are sequentially arranged on the outer surface of the front housing from top to bottom, an upper viewing port and a lower viewing port are respectively arranged on the upper display area and the lower display area, the teaching whiteboard comprises a first whiteboard embedded in the upper display area, a second whiteboard embedded in the explanation area and a third whiteboard embedded in the lower display area, the viewing window comprises an upper viewing port arranged in the upper display area and a lower viewing port arranged in the lower display area, and further comprises an upper rectangular viewing port arranged in the first whiteboard and a lower rectangular viewing port arranged in the third whiteboard, wherein the upper viewing port and the lower viewing port respectively correspond to the upper rectangular viewing port and the lower rectangular viewing port.
As a further improvement of the present invention, the first mounting seat hole is disposed on the inner surface of the front housing, one end of the second rotating shaft is rotatably mounted in the second mounting seat hole, a bearing is fixedly disposed in the second mounting seat hole, and the second rotating shaft and the bearing are in interference fit, wherein the second mounting seat hole is disposed on the inner surface of the rear housing, the third rotating shaft is rotatably mounted on the supporting frame, and the supporting frame is fixedly connected to the inner surface of the front housing.
As a further improvement of the invention, the multifunctional teaching device for preschool education further comprises a storage mechanism, the storage mechanism comprises a storage box fixedly arranged on the inner side surface of the rear shell, a first rectangular groove and a first plug board, the first rectangular groove and the first plug board are arranged on the outer side surface of the rear shell, a first accommodating cavity and a second accommodating cavity are formed in the storage box and are separated from each other, the first accommodating cavity is used for accommodating a whiteboard pen, the second accommodating cavity is used for accommodating a whiteboard eraser, a first arc limiting plate and a second arc limiting plate are respectively arranged on the outer sides of the first accommodating cavity and the second accommodating cavity, the first arc limiting plate is used for limiting the whiteboard pen to prevent the whiteboard pen from slipping out of the first accommodating cavity when being taken and placed, the second accommodating cavity is used for limiting the whiteboard eraser to prevent the whiteboard from slipping out of the second accommodating cavity when being taken and placed, a first slot penetrating through the first accommodating cavity and the second accommodating cavity is formed in the first rectangular groove, the first inserting plate is slidably mounted in the first inserting groove, is opened when the whiteboard pen and/or the whiteboard eraser are/is required to be taken and placed, and is closed when the whiteboard pen and/or the whiteboard eraser are/is not required to be taken and placed.
As a further improvement of the invention, the multifunctional teaching device for preschool education further comprises a moving mechanism, the moving mechanism comprises a carriage for moving the teaching device and universal wheels with brakes and having a braking function, the carriage is detachably mounted at the bottom of the shell, and the bottom of the carriage is provided with four universal wheels with brakes, so that the teaching device can be freely moved and effectively fixed.
As a further improvement of the present invention, the front housing is provided with a first groove, a second groove, a third groove, and a fourth groove, the rear housing is provided with a first protrusion, a second protrusion, a third protrusion, and a fourth protrusion which are matched with the first groove, the second groove, the third groove, and the fourth groove, and the first protrusion, the second protrusion, the third protrusion, and the fourth protrusion are respectively and fixedly connected with the first groove, the second groove, the third groove, and the fourth groove by screws, so that the mounting and dismounting of the front housing and the rear housing are facilitated, the seamless butt joint of the connection part is realized, and the front housing is beautiful and the teaching staff is not easily scratched.
During operation, the servo motor drives the first rotating shaft to rotate clockwise, the cam and the notch disc rotate synchronously along with the first rotating shaft from the initial position until the C point of the cam is moved to be in contact with the upper movable plate, in the process, the arc CD of the cam is always in contact with the upper movable plate and the lower movable plate simultaneously, and the deflector rod is separated from the radial groove of the grooved pulley, so that the positions of the upper movable plate and the lower movable plate are unchanged, the grooved pulley is still, the position of the conveyor belt is unchanged, the upper observation window and the lower observation window are always in an open state, and the content of pictures displayed behind the observation windows is unchanged;
the cam and the notched disc continue to rotate clockwise along with the first rotating shaft until the cam moves to the arc AB middle point of the cam to be contacted with the upper movable plate, in the process, a straight line BC of the cam is contacted with the upper movable plate successively with the arc AB, the cam drives the upper movable plate to move upwards until the cam moves to the upper limit position, the upper observation window is completely shielded by the upper inserting plate, the arc CD of the cam is contacted with the lower movable plate all the time, and the deflector rod is separated from the radial groove of the grooved pulley, so that the position of the upper movable plate is changed, the position of the lower movable plate is unchanged, the position of the conveyor belt is unchanged, the upper observation window is opened to be closed, the lower observation window is always in an open state, and the content;
the cam and the notched disc continue to rotate clockwise along with the first rotating shaft until the cam moves to a position D and contacts with the upper movable plate, in the process, an arc AB and a straight line DA of the cam are sequentially contacted with the upper movable plate, the upper connecting spring drives the upper movable plate to move downwards until the upper movable plate moves to a lower limit position, the upper observation window is completely opened, an arc CD of the cam is always contacted with the lower movable plate, and meanwhile, the deflector rod is separated from a radial groove of the grooved wheel, so that the position of the upper movable plate is changed, the position of the lower movable plate is unchanged, the position of the conveyor belt is unchanged, the upper observation window is opened from being closed, the lower observation window is always opened, and the content of a picture displayed behind the observation window;
the cam and the notched disc continue to rotate clockwise along with the first rotating shaft until the C point of the cam is contacted with the lower movable plate, in the process, the arc CD of the cam is always contacted with the upper movable plate and the lower movable plate simultaneously, and the deflector rod is separated from the radial groove of the grooved wheel, so that the positions of the upper movable plate and the lower movable plate are unchanged, the position of the conveyor belt is unchanged, the upper observation window and the lower observation window are always in an open state, and the content of pictures displayed behind the observation windows is unchanged;
the cam and the notched disc continue to rotate along with the first rotating shaft until the cam moves to the middle point of the arc AB of the cam to be contacted with the lower movable plate, in the process, the straight line BC of the cam and the arc AB are sequentially contacted with the lower movable plate, the cam drives the lower movable plate to move downwards until the lower movable plate moves to the lower limit position, the lower observation window is completely shielded by the lower inserting plate, the arc CD of the cam is always contacted with the upper movable plate, and the deflector rod is separated from the radial groove of the grooved pulley, so that the position of the upper movable plate is unchanged, the position of the lower movable plate is changed, the position of the conveyor belt is unchanged, the upper observation window is always in an open state, the lower observation window is closed from the open state, and the content of pictures; at the moment, the deflector rod is about to enter the radial groove of the grooved wheel;
the cam and the notched disc continue to rotate along with the first rotating shaft until the cam moves to the position D and contacts with the lower movable plate, in the process, the arc AB and the straight line DA of the cam sequentially contact with the lower movable plate, the lower connecting spring drives the lower movable plate to move upwards until the lower movable plate moves to the upper limit position, the observation window below the lower movable plate is completely opened, the deflector rod drives the grooved pulley to rotate, the grooved pulley sequentially drives the bevel gear transmission mechanism and the belt transmission mechanism to move, and the upper conveyor belt and the lower conveyor belt synchronously move; the cam arc CD is always contacted with the upper movable plate, so that the position of the upper movable plate is unchanged, the position of the lower movable plate is changed, the position of the conveyor belt is changed, the upper observation window is always in an open state, the lower observation window is in a state from closed to open, the content of pictures displayed behind the observation window begins to change, and at the moment, the deflector rod does not completely leave the radial groove of the grooved wheel;
the cam and the notch disc continue to rotate along with the first rotating shaft until the cam and the notch disc move to the symmetrical shaft 0 of the cam102The cam is positioned in a horizontal position, in the process, the arc CD of the cam is always in contact with the upper movable plate and the lower movable plate at the same time, the upper and lower observation windows are completely opened, the deflector rod continuously drives the grooved pulley to rotate until the grooved pulley leaves the grooved pulley, and the grooved pulley sequentially drives the bevel gear transmission mechanism and the belt transmission mechanism to move, so that the upper and lower conveyor belts synchronously move; when the deflector rod completely leaves the grooved pulley, the conveyor belt stops moving, the grooved pulley finishes one-time transposition at the moment, the conveyor belt enters the next working position, so that the positions of the upper movable plate and the lower movable plate are not changed, the position of the conveyor belt is changed, the observation windows at the upper part and the lower part are always in an open state, the picture content displayed by the observation windows behind is changed into the next group of learning content, a group of image-text comparison learning is further finished, and the reciprocating cycle is realized along with the continuous rotation of the cam.
The invention has the following advantages:
(1) the cam of the invention rotates a circle, the sheave rotates 1/4 circles, the conveyor belt moves a working position, each working position of the conveyor belt is provided with a group of pictures containing patterns and pictures containing names, the upper conveyor belt is provided with pictures containing patterns, the lower conveyor belt is provided with pictures containing names, and the upper and lower conveyor belts synchronously convey pictures to realize picture-text contrast teaching, wherein, every time the cam rotates a circle, the observation port can automatically display the next group of pictures containing patterns and pictures containing names.
(2) The cam is mainly divided into four stages in the process of clockwise rotating for one circle from the initial position, wherein the first stage comprises the following steps: the upper observation port is opened, the lower observation port is opened, the stage is used for teaching children to recognize and learn the patterns displayed by the upper conveying belt and the names displayed by the lower conveying belt for the first time, and the patterns and the names are simultaneously displayed to vividly perform image-text teaching, so that the attention of the children can be attracted; and a second stage: the upper observation port is opened from open to close and then from closed to open and the lower observation port is opened, the stage is used for imagining an upper pattern by displaying a lower name, imagination of the child is stimulated by gradual disappearance and gradual appearance of the pattern of the upper observation port, and the gradual appearance of the pattern can assist the child to excite imagination again to imagine a complete pattern because the imagination of part of the child is not strong enough to imagine a complete pattern through learning in the first stage and the lower name; and a third stage: the upper observation port is opened, the lower observation port is opened, and the stage is used for teaching children to recognize and learn the patterns displayed by the upper conveying belt and the names displayed by the lower conveying belt for the second time, and performing image-text teaching by simultaneously displaying the patterns and the names vividly and vividly, so that the purpose of strengthening learning is achieved; a fourth stage: the upper observation port is opened, the lower observation port is opened from opening to closing and then from closing to opening, the stage is used for imagining the name of the lower part by displaying the pattern of the upper part, the memory of the child is strengthened by gradually disappearing and gradually appearing the name of the lower observation port, and the gradually appearing name can assist the child to strengthen the memory again to imagine the name of the lower part because the memory of part of the child is not strong enough to learn through the first three stages and the upper pattern has memorized the name of the lower part.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1: the invention has the overall structure schematic diagram;
FIG. 2: FIG. 1 is a rear view of the present invention;
FIG. 3: the internal structure of the invention is shown schematically;
FIG. 4: FIG. 3 is a front view of the present invention;
FIG. 5: FIG. 4 is a top plan view of the present invention;
FIG. 6: schematic representation of the transmission mechanism of the present invention;
FIG. 7: the structure of the front case of the invention is shown schematically;
FIG. 8: the structure of the rear shell is shown schematically;
FIG. 9: the invention discloses a partial structure schematic diagram of a cam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention will be further described with reference to the accompanying figures 1 to 9:
as shown in fig. 1, 4 and 8, the invention provides a multifunctional teaching device for preschool education, comprising a housing, a transmission mechanism located inside the housing and an actuating mechanism connected with the transmission mechanism, wherein the housing comprises a front housing 1 and a rear housing 2, the front housing 1 and the rear housing 2 are detachably and fixedly connected, specifically, the front housing 1 is provided with a first groove 101, a second groove 102, a third groove 103 and a fourth groove 104, the rear housing 2 is provided with a first convex part 201, a second convex part 202, a third convex part 203 and a fourth convex part 204 matched with the first groove 101, the second groove 102, the third groove 103 and the fourth groove 104, the first convex part 201, the second convex part 202, the third convex part 203 and the fourth convex part 204 are respectively and fixedly installed in the first groove 101, the second groove 102, the third groove 103 and the fourth groove 104 by screws 50, and the arrangement is convenient for realizing the installation and the detachment of the front housing 1 and the rear housing 2, meanwhile, seamless butt joint of the connecting parts is realized, so that the shell is attractive, and personnel for teaching, carrying, overhauling and the like are not easy to scratch. In addition, in order to facilitate the manufacturing process and reduce the manufacturing cost, the structural dimensions of the first groove 101, the second groove 102, the third groove 103, and the fourth groove 104 may be set to be the same, while the structural dimensions of the first protrusion 201, the second protrusion 202, the third protrusion 203, and the fourth protrusion 204 may be set to be the same.
For realizing the teaching of picture and text contrast, be equipped with show district 3 in proper order in front on 1 surface top-down, explanation district 4 and show district 5 down, and be provided with viewing aperture 6 and viewing aperture 7 down on show district 3 and show district 5 down respectively on, go up viewing aperture 6 and be used for looking at the picture, viewing aperture 7 is used for seeing the text down, for the convenience explains when the teaching of picture and text contrast, be provided with the teaching whiteboard of being convenient for write and erase on 1 surface of casing in front, and divide into first blank 8, second blank 9, third blank 10 triplex with the teaching whiteboard, and respectively with show district 3, explanation district 4 and show district 5 down correspondingly. Wherein, first blank 8 scarf joint in last show district 3, second blank 9 scarf joint in explanation district 4, and third blank 10 scarf joint in show district 5 down, for making better being applicable to procapsid 1 of teaching blank, set up the last rectangle viewing aperture that suits with last viewing aperture 6 at first blank 8, set up the lower rectangle viewing aperture that suits with viewing aperture 7 down at third blank 10.
As shown in fig. 1, 2, 3, 5, 6, 7 and 8, a plurality of heat dissipation holes 24 are formed in the outer surface of the rear case 2, so as to dissipate heat generated during the operation of the internal mechanism and allow the operation of the internal mechanism to be observed. The inner surface of the rear shell 2 is fixedly provided with a motor base 25, and the transmission mechanism comprises a servo motor 26, a coupler 27, a rotating shaft, a cam 42, a sheave transmission mechanism, a bevel gear transmission mechanism and a belt transmission mechanism, which are fixedly arranged on the motor base 25. The rotating shafts comprise a first rotating shaft 28, a second rotating shaft 31 and a third rotating shaft 34, one end of the first rotating shaft 28 is connected with the output end of the servo motor 26 through a coupler 27, the other end of the first rotating shaft is rotatably installed in a first installation seat hole 43, and the first installation seat hole 43 is arranged on the inner surface of the front shell 1; one end of the second rotating shaft 31 is rotatably installed in the second installation seat hole 54, a bearing is fixedly arranged in the second installation seat hole 54, the bearing and the second rotating shaft 31 are in interference fit so as to sufficiently fix the second rotating shaft 31, the second rotating shaft 31 is effectively prevented from being inclined, and the meshing effect among the bevel gears is reduced, wherein the second installation seat hole 54 is arranged on the inner surface of the rear shell 2; the third shaft 34 is rotatably mounted on a support bracket 53, and the support bracket 53 is fixedly connected to the inner surface of the front case 1. The grooved wheel transmission mechanism comprises a notched disc 29, a shifting rod 30 and a grooved wheel 32, the notched disc 29 and a cam 42 are fixedly connected to the first rotating shaft 28 through keys, and the shifting rod 30 is fixedly connected with the notched disc 29 and is preferably of an integrated structure. The bevel gear transmission mechanism comprises a first bevel gear 33 and a second bevel gear 35 which are meshed with each other, and a third bevel gear 36 and a fourth bevel gear 37 which are meshed with each other, the grooved pulley 32 and the first bevel gear 33 are fixedly connected to the second rotating shaft 31 through key connections, the second bevel gear 35 and the third bevel gear 36 are fixedly connected to the third rotating shaft 34 through key connections, and the fourth bevel gear 37 is fixedly connected to the first pulley shaft 38 through key connections. The belt transmission mechanism comprises a first belt wheel shaft 38, a second belt wheel shaft 39, belt wheels 40 and a transmission belt 41, two upper shaft seats 15 and two lower shaft seats 16 are arranged on the inner surface of the front shell 1, the first belt wheel shaft 38 and the second belt wheel shaft 39 are rotatably mounted on the upper shaft seats 15 and the lower shaft seats 16, the belt wheels 40 are fixedly arranged at two ends of the first belt wheel shaft 38 and two ends of the second belt wheel shaft 39, and the two belt wheels 40 at the same horizontal height are connected through the transmission belt 41 and used for transmitting motion and power. The belt wheel 40 is fixedly connected with the first belt wheel shaft 38 and the second belt wheel shaft 39 through keys, pictures with patterns are pasted on the surface of the upper conveying belt 41, pictures with names are pasted at corresponding positions of the lower conveying belt 41, the pictures with the patterns at the upper part and the pictures with the names at the lower part are in a group and respectively correspond to the pictures and characters for picture-text comparison learning, a plurality of groups of the pictures are arranged on the upper conveying belt 41 and the lower conveying belt 41, and the patterns of the pictures at the upper part can be exemplified by animals, plants, living goods and character relations (such as grande, milky milk, father, mom, brother, sister and the like), and the patterns of the pictures at the lower part are written descriptions of the names corresponding to the patterns at the upper part.
As shown in fig. 3, 4, 5, and 6, the actuator of the present invention includes an upper movable plate 44, an upper insertion plate 45, an upper connection spring 46, a lower movable plate 47, a lower insertion plate 48, and a lower connection spring 49, wherein the upper movable plate 44 and the lower movable plate 47 are respectively located at the upper and lower sides of the cam 42, and are always in high-order linear contact with the cam 42 under the action of a spring force, the upper movable plate 44 is fixedly connected to the upper insertion plate 45, the lower movable plate 47 is fixedly connected to the lower insertion plate 48, the front housing 1 is provided with an upper insertion slot 11 and a lower insertion slot 12, the upper insertion plate 45 and the lower insertion plate 48 are respectively slidably inserted into the upper insertion slot 11 and the lower insertion slot 12, and the upper observation port 6 and the lower observation port 7 are opened and closed by the upper insertion plate 45 and the lower insertion plate 48 moving in the upper. The front casing 1 is provided with upper rectangular channel 13 and lower rectangular channel 14, go up connecting spring 46 compression and install in last slot 11, and its one end and last fly leaf 44 fixed connection, the terminal surface fixed connection under the other end and last slot 11, thereby install connecting spring 46 through the compression and guarantee to go up fly leaf 44 and contact with cam 42 all the time, connecting spring 49 compression is installed in lower slot 12 down, and its one end and lower fly leaf 47 fixed connection, the other end and lower slot 12 up end fixed connection, thereby it guarantees through compression installation down connecting spring 49 that lower fly leaf 47 contacts with cam 42 all the time.
As shown in fig. 3, 4 and 9, the outer contour line of the cam 42 is centered at 01Arc AB, straight line BC, center of circle 02The arc CD and the straight line DA are enclosed, the arc AB is tangent to the straight line BC, the straight line BC is tangent to the arc CD, the arc CD is tangent to the straight line DA, and the straight line DA is tangent to the arc AB. The first rotating shaft 28 and the second rotating shaft 31 are installed at the same horizontal height, a cylindrical pin is arranged at the extending end of the shift lever 30, and the circle center of the grooved wheel 32 is 03Four radial grooves are provided in the circumferential direction of the sheave 32. In the initial position (i.e., in the position shown in FIG. 9), the first shaft 28 is connected to the second shaft 31 at the center line 0203With axis of symmetry 0 of cam 42102Collinear, deflector rod 30 symmetry axis 02E and the center line 0203The included angle a between the two plates is 45 °, and the cylindrical pin on the shift lever 30 is about to be disengaged from the radial groove of the sheave 32 (i.e. at the critical position of being disengaged from the sheave), the upper movable plate 44 and the lower movable plate 47 move to the extreme positions under the spring force of the upper connecting spring 46 and the lower connecting spring 49, respectively, and contact with the circular arc CD of the cam 42, at this time, the upper insert plate 45 fixedly connected with the upper movable plate 44 and the lower insert plate 48 fixedly connected with the lower movable plate 47 also move to the extreme positions, i.e. the upper movable plate 44 is at the lower extreme positionLower movable panel 47 is in an upper limit position in which both upper viewing port 6 and lower viewing port 7 are in a fully open position.
As shown in fig. 1, 2 and 8, the multifunctional teaching device for preschool education further comprises a storage mechanism, the storage mechanism comprises a storage box 17 fixedly arranged on the inner side surface of the rear shell 2, a first rectangular groove 18 arranged on the outer side surface of the rear shell 2 and a first plug board 55, and the storage box 17 is provided with a first accommodating cavity 19 and a second accommodating cavity 20 which are separated from each other. The first accommodating cavity 19 is used for accommodating a whiteboard pen, the second accommodating cavity 20 is used for accommodating a whiteboard eraser, a first arc limiting plate 21 and a second arc limiting plate 22 are respectively arranged on the outer sides of the first accommodating cavity 19 and the second accommodating cavity 20, wherein the first arc limiting plate 21 is used for limiting the whiteboard pen to prevent the whiteboard pen from slipping out of the first accommodating cavity 19 when being taken and placed, the second accommodating cavity 20 is used for limiting the whiteboard eraser to prevent the whiteboard pen from slipping out of the second accommodating cavity 20 when being taken and placed, the whiteboard pen and the whiteboard eraser can be prevented from falling off when being taken and placed conveniently, a first slot 23 penetrating through the first accommodating cavity 19 and the second accommodating cavity 20 is formed in the first rectangular groove 18, the first inserting plate 55 is slidably installed in the first slot 23 and is opened when the whiteboard pen and/or the whiteboard eraser is required to be taken and placed, and is closed when the whiteboard eraser is not required to be taken and placed. The accommodating mechanisms are symmetrically arranged on the two sides of the rear shell 2, so that a young teacher can quickly and conveniently take and place the white board pen and the white board eraser when teaching is carried out on the left side or the right side of the device, and the teaching efficiency and the comfort level can be greatly improved.
As shown in fig. 1 and 2, the multifunctional teaching device for preschool education further comprises a moving mechanism, the moving mechanism comprises a carriage 51 for moving the teaching device and a universal wheel 52 with a brake function, the carriage 51 is detachably mounted at the bottom of the shell, and four universal wheels 52 with brakes are arranged at the bottom of the carriage 51, so that the teaching device can be freely moved and effectively fixed.
During operation, the servo motor 26 drives the first rotating shaft 28 to rotate clockwise, the cam 42 and the notch disc 29 rotate synchronously with the first rotating shaft 28 from the initial position until the point C of the cam 42 contacts with the upper movable plate 44 (i.e. the straight line BC is in the horizontal direction), during the process, the arc CD of the cam 42 always contacts with the upper movable plate 44 and the lower movable plate 47 at the same time, and the shift lever 30 is separated from the radial groove of the grooved pulley 32, so the positions of the upper movable plate 44 and the lower movable plate 47 are unchanged, the grooved pulley 32 is stationary, so that the position of the conveyor belt 41 is unchanged, the upper and lower observation windows are always in an open state, and the content of pictures displayed behind the observation windows is unchanged;
the cam 42 and the notch disc 29 continue to rotate clockwise along with the first rotating shaft 28 until the arc AB middle point of the cam 42 contacts the upper movable plate 44 (i.e. the symmetry axis 0)102In the vertical direction), a straight line BC and an arc AB of the cam 42 are sequentially contacted with the upper movable plate 44, the cam 42 drives the upper movable plate 44 to move upwards until the upper movable plate moves to the upper limit position, the upper observation window is completely shielded by the upper inserting plate 45, an arc CD of the cam 42 is always contacted with the lower movable plate 47, and meanwhile, the shift lever 30 is separated from a radial groove of the grooved wheel 32, so that the position of the upper movable plate 44 is changed, the position of the lower movable plate 47 is unchanged, the position of the conveyor belt 41 is unchanged, the upper observation window is opened to be closed, the lower observation window is always in an open state, and the content of pictures displayed behind the observation window is unchanged;
the cam 42 and the notch disc 29 continue to rotate clockwise along with the first rotating shaft 28 until the D point of the cam 42 contacts the upper movable plate 44 (i.e. the straight line DA is in the horizontal direction), in the process, the arc AB of the cam 42 contacts the upper movable plate 44 with the straight line DA successively, the upper connecting spring 46 drives the upper movable plate 44 to move downwards until the upper movable plate moves to the lower limit position, the upper observation window is completely opened, the arc CD of the cam 42 always contacts the lower movable plate 47, and the shift lever 30 is separated from the radial groove of the grooved wheel 32, so that the position of the upper movable plate 44 is changed, the position of the lower movable plate 47 is unchanged, the position of the conveyor belt 41 is unchanged, the upper observation window is opened from closing, the lower observation window is always opened, and the content of pictures displayed by the observation window is unchanged;
the cam 42 and the notched disc 29 continue to rotate clockwise along with the first rotating shaft 28 until the point C of the cam 42 contacts the lower movable plate 44 (i.e. the straight line BC is in the horizontal direction), in the process, the circular arc CD of the cam 42 always contacts the upper movable plate 44 and the lower movable plate 47 at the same time, and the shift lever 30 is disengaged from the radial groove of the grooved wheel 32, so that the positions of the upper movable plate 44 and the lower movable plate 47 are unchanged, the position of the conveyor belt 41 is unchanged, the upper observation window and the lower observation window are always in an open state, and the content of pictures displayed behind the observation windows is unchanged;
the cam 42 and the notch disc 29 continue to rotate along with the first rotating shaft 28 until the middle point of the arc AB of the cam 42 contacts the lower movable plate 44 (i.e. the symmetry axis 0)102In the vertical direction), a straight line BC and an arc AB of the cam 42 are sequentially contacted with the lower movable plate 47, the cam 42 drives the lower movable plate 47 to move downwards until the lower movable plate moves to a lower limit position, a lower observation window is completely shielded by the lower inserting plate 48, an arc CD of the cam 42 is always contacted with the upper movable plate 44, and meanwhile, the shift lever 30 is separated from a radial groove of the grooved wheel 32, so that the position of the upper movable plate 44 is unchanged, the position of the lower movable plate 47 is changed, the position of the conveyor belt 41 is unchanged, the upper observation window is always in an open state, the lower observation window is in a closed state from the open state, and the content of pictures displayed behind the observation window is unchanged; at this time, the shift lever 30 is about to enter the radial groove of the sheave 32;
the cam 42 and the notch disc 29 continue to rotate along with the first rotating shaft 28 until the D point of the cam 42 is contacted with the lower movable plate 44 (namely the straight line DA is positioned in the horizontal direction), in the process, the arc AB of the cam 42 and the straight line DA are contacted with the lower movable plate 47 in sequence, the lower connecting spring 49 drives the lower movable plate 47 to move upwards until the lower movable plate moves to the upper limit position, the lower observation window is completely opened, the poking rod 30 drives the grooved pulley 32 to rotate, the grooved pulley 32 drives the bevel gear transmission mechanism and the belt transmission mechanism to move in sequence, and the pictures pasted on the upper conveying belt 41 are carried by the upper conveying belt 41, and the characters pasted on the lower conveying belt 41 are synchronously moved; the cam 42 is always in contact with the upper movable plate 44, so the position of the upper movable plate 44 is unchanged, the position of the lower movable plate 47 is changed, the position of the conveyor belt 41 is changed, the upper observation window is always in an open state, the lower observation window is in a closed state to an open state, the content of pictures displayed behind the observation windows begins to change, and at the moment, the shift lever 30 does not completely leave the radial groove of the grooved wheel 32;
the cam 42 and the notch disc 29 follow the first shaft 28 continue to rotate until they reach the axis of symmetry 0 of the cam 42102The circular arc CD of the cam 42 is always in contact with the upper movable plate 44 and the lower movable plate 47 at the same time in the process, the upper and lower observation windows are completely opened, the poking rod 30 continues to drive the grooved pulley 32 to rotate until leaving the grooved pulley 32, the grooved pulley 32 sequentially drives the bevel gear transmission mechanism and the belt transmission mechanism to move, and synchronous movement of pictures pasted on the upper conveying belt 41 and characters pasted on the lower conveying belt 41 carried by the upper conveying belt 41 is realized; when the shift lever 30 completely leaves the grooved pulley 32, the conveyor belt 41 stops moving, at this time, the grooved pulley 32 finishes one-time transposition, the conveyor belt 41 enters the next working position, so that the positions of the upper movable plate 44 and the lower movable plate 47 are not changed, the position of the conveyor belt 41 is changed, the upper and lower observation windows are always in an open state, the picture content displayed behind the observation windows is changed into the next group of learning content, and then a group of image-text comparison learning is finished, and the reciprocating cycle is performed along with the continuous rotation of the cam.
In summary, the cam 42 of the present invention rotates once, the sheave 32 rotates 1/4 cycles, the conveyor belt 41 moves one working position, each working position of the conveyor belt 41 has a group of pictures with patterns and names, the upper conveyor belt 41 has pictures with patterns, the lower conveyor belt 41 has pictures with names, and the upper and lower conveyor belts 41 are synchronously conveyed to implement image-text comparison teaching, wherein each time the cam 42 rotates once, the viewing port automatically displays the next group of pictures with patterns and names.
The cam 42 of the present invention is mainly divided into four stages in the process of clockwise rotation from the initial position by one turn, the first stage: the upper observation port 6 is opened, the lower observation port 7 is opened, and the stage is used for teaching children to recognize and learn the patterns displayed by the upper conveying belt 41 and the names displayed by the lower conveying belt 41 for the first time, and performing image-text teaching vividly by displaying the patterns and the names at the same time, so that the attention of the children can be attracted; and a second stage: the upper viewing port 6 is opened from open to close and then from closed to open and the lower viewing port 7 is opened, the stage is used for imagining an upper pattern by displaying a lower name, the imagination of the child is stimulated by gradual disappearance and gradual appearance of the pattern of the upper viewing port 6, and the imagination of part of the child is not strong enough to imagify a complete pattern by learning in the first stage and the name of the lower part, and the gradual appearance of the pattern can help the child to excite the imagination again to imagine the complete pattern; and a third stage: the upper observation port 6 is opened, the lower observation port 7 is opened, and the stage is used for teaching children to recognize and learn the pattern displayed by the upper conveyor belt 41 and the name displayed by the lower conveyor belt 41 for the second time, and performing image-text teaching vividly by displaying the pattern and the name at the same time, so that the purpose of reinforcement learning is achieved; a fourth stage: the upper observation port 6 is opened, the lower observation port 7 is opened from opening to closing and then closed to opening, the upper pattern is displayed to imagine the name of the lower part, the name of the lower observation port 7 gradually disappears and appears to strengthen the memory of the child, and the memory of part of the child is not strong enough to play a role in learning in the first two stages and memorizing the name of the lower part by the upper pattern, and the gradual appearance of the name can help the child to strengthen the memory again to remember the name of the lower part.
The above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a preschool education is with multi-functional teaching device which characterized in that: including the casing, be located the inside drive mechanism of casing and the actuating mechanism who is connected with drive mechanism, the casing includes procapsid and back casing, the procapsid with the connection can be dismantled to the back casing, the procapsid surface is provided with the teaching blank, the teaching blank with observation window has all been seted up on the procapsid, a plurality of louvres have been seted up to back casing surface, the internal fixed surface of back casing is provided with the motor cabinet.
The transmission mechanism comprises a servo motor, a coupler, a rotating shaft, a cam, a sheave transmission mechanism, a bevel gear transmission mechanism and a belt transmission mechanism which are fixedly arranged on a motor base, the rotating shaft comprises a first rotating shaft, a second rotating shaft and a third rotating shaft, one end of the first rotating shaft is connected with the output end of the servo motor through the coupler, the other end of the first rotating shaft is rotatably arranged in a first mounting seat hole, the sheave transmission mechanism comprises a notched disc, a deflector rod and a sheave, the notched disc and the cam are fixedly connected with the first rotating shaft through keys, the deflector rod is fixedly connected with the notched disc, the bevel gear transmission mechanism comprises a first bevel gear and a second bevel gear which are mutually meshed and a third bevel gear and a fourth bevel gear which are mutually meshed, and the sheave and the first bevel gear are fixedly connected with the second rotating shaft through keys, the second bevel gear and the third bevel gear are fixedly connected with the third rotating shaft through key connection, the fourth bevel gear is fixedly connected with the first pulley shaft through key connection, the belt transmission mechanism comprises a first belt wheel shaft, a second belt wheel shaft, a belt wheel and a conveyor belt, an upper rotary shaft seat and a lower rotary shaft seat are arranged on the inner surface of the front shell, the first pulley shaft and the second pulley shaft are rotatably arranged on the upper shaft seat and the lower shaft seat, the two ends of the first pulley shaft and the second pulley shaft are both fixedly provided with the pulleys, the two pulleys at the same horizontal height are connected through a conveyor belt, the belt wheel is fixedly connected with the first belt wheel shaft and the second belt wheel shaft through keys, pictures with patterns are detachably stuck on the surface of the upper conveying belt, and pictures with names are detachably stuck at the corresponding position of the lower conveying belt.
The actuating mechanism comprises an upper movable plate, an upper inserting plate, an upper connecting spring, a lower movable plate, a lower inserting plate and a lower connecting spring, the upper movable plate and the lower movable plate are respectively positioned at the upper side and the lower side of the cam and are always in high secondary line contact with the cam under the action of spring force, the upper movable plate is fixedly connected with the upper inserting plate, the lower movable plate is fixedly connected with the lower inserting plate, the front shell is provided with an upper slot and a lower slot, the upper inserting plate and the lower inserting plate are respectively inserted in the upper slot and the lower slot in a sliding way, the front shell is provided with an upper rectangular groove and a lower rectangular groove, the upper connecting spring is arranged in the upper slot in a compression way, and one end of the lower connecting spring is fixedly connected with the lower movable plate, the other end of the lower connecting spring is fixedly connected with the lower end face of the upper slot, the lower connecting spring is arranged in the lower slot in a compression mode, one end of the lower connecting spring is fixedly connected with the lower movable plate, and the other end of the lower connecting spring is fixedly connected with the upper end face of the lower slot.
2. The multifunctional teaching device for preschool education as claimed in claim 1, wherein: the outer contour line of the cam is 0 from the circle center1Arc AB, straight line BC, center of circle 02The circular arc CD and the straight line DA are enclosed, the circular arc AB is tangent to the straight line BC, the straight line BC is tangent to the circular arc CD, the circular arc CD is tangent to the straight line DA, the straight line DA is tangent to the circular arc AB, the first rotating shaft and the second rotating shaft are installed at the same horizontal height, the extending end of the shift lever is provided with a cylindrical pin, the circle center of the sheave is 03Four radial grooves are arranged in the circumferential direction, and at the initial position, the connecting line of the first rotating shaft and the second rotating shaft is 0203And the axis of symmetry 0 of the cam102Collinear, said deflector rod symmetry axis 02E and the center line 0203The included angle a between is 45 degrees, and the cylindric lock on the driving lever is about to break away from the radial groove of sheave, go up fly leaf, lower fly leaf and move extreme position and contact with cam circular arc CD under the spring force effect of last connecting spring, lower connecting spring respectively, at this moment, with last fly leaf fixed connection's last picture peg and with lower fly leaf fixed connection's lower picture peg also move extreme position, observation window is in complete open mode.
3. The multifunctional preschool education teaching according to claim 1, characterized in that: procapsid surface top-down is equipped with show area, explanation district and lower show area in proper order, go up the show area with be provided with viewing aperture and lower viewing aperture on the show area down respectively, the teaching blank includes scarf joint in the first blank of last show area, scarf joint in the second blank in explanation district and scarf joint in the third blank of show area down, the viewing window is including seting up the last viewing aperture of last show area, seting up the lower viewing aperture of show area down, still including seting up the last rectangle viewing aperture of first blank and seting up the rectangle viewing aperture under the third blank, wherein, go up the viewing aperture with down the viewing aperture correspond with last rectangle viewing aperture and lower rectangle viewing aperture respectively.
4. The multifunctional preschool education teaching according to claim 1, characterized in that: first mount pad hole set up in procapsid internal surface, second pivot one end is rotated and is installed in the second mount pad downthehole, second mount pad downthehole fixed bearing that is provided with, the second pivot with be interference fit between the bearing, wherein, the second mount pad hole set up in back casing internal surface, the third pivot is rotated and is installed on the support frame, support frame fixed connection is in procapsid internal surface.
5. The multifunctional preschool education teaching according to claim 1, characterized in that: the storage device also comprises a storage mechanism, the storage mechanism comprises a storage box fixedly arranged on the inner side surface of the rear shell, a first rectangular groove and a first plug board, the first rectangular groove and the first plug board are arranged on the outer side surface of the rear shell, a first accommodating cavity and a second accommodating cavity which are separated from each other are arranged on the storage box, wherein the first accommodating cavity is used for accommodating a whiteboard pen, the second accommodating cavity is used for accommodating a whiteboard eraser, the outer sides of the first accommodating cavity and the second accommodating cavity are respectively provided with a first arc limiting plate and a second arc limiting plate, wherein the first arc limiting plate is used for limiting the whiteboard marker so as to prevent the whiteboard marker from slipping out of the first accommodating cavity when being taken and placed, the second containing cavity is used for limiting the white board eraser so as to prevent the white board eraser from slipping to the outside of the second containing cavity when being taken and placed, a first slot penetrating through the first accommodating cavity and the second accommodating cavity is formed in the first rectangular groove, and the first inserting plate is slidably mounted in the first slot.
6. The multifunctional teaching device for preschool education as claimed in claim 1, wherein: still include moving mechanism, moving mechanism is including the trailing bar 51 that is used for removing the teaching device and the universal wheel 52 of stopping of area of taking brake function, trailing bar 51 demountable installation in the casing bottom, trailing bar 51 bottom is provided with four universal wheels 52 of stopping of area, the free movement of being convenient for and effective fixed teaching device.
7. The multifunctional teaching device for preschool education as claimed in claim 1, wherein: the front shell is provided with a first groove, a second groove, a third groove and a fourth groove, the rear shell is provided with a first convex part, a second convex part, a third convex part and a fourth convex part which are matched with the first groove, the second groove, the third groove and the fourth groove, and the first convex part, the second convex part, the third convex part and the fourth convex part are fixedly connected with the first groove, the second groove, the third groove and the fourth groove through screws respectively.
8. The multifunctional teaching device for preschool education as claimed in claim 1, wherein: during operation, the servo motor drives the first rotating shaft to rotate clockwise, the cam and the notch disc rotate synchronously along with the first rotating shaft from the initial position until the C point of the cam is moved to be in contact with the upper movable plate, in the process, the arc CD of the cam is always in contact with the upper movable plate and the lower movable plate simultaneously, and the deflector rod is separated from the radial groove of the grooved wheel, so that the positions of the upper movable plate and the lower movable plate are unchanged, the grooved wheel is still, the position of the conveyor belt is unchanged, the upper observation window and the lower observation window are always in an open state, and the content of pictures displayed behind the observation windows is unchanged.
The cam and the notched disc rotate clockwise continuously along with the first rotating shaft until the cam moves to the arc AB middle point of the cam to be contacted with the upper movable plate, in the process, the straight line BC of the cam and the arc AB are contacted with the upper movable plate successively, the cam drives the upper movable plate to move upwards until the cam moves to the upper limit position, the upper observation window is completely shielded by the upper inserting plate, the arc CD of the cam is contacted with the lower movable plate all the time, and the poking rod is separated from the radial groove of the grooved wheel, so that the position of the upper movable plate is changed, the position of the lower movable plate is unchanged, the position of the conveyor belt is unchanged, the upper observation window is opened to be closed, the lower observation window is always opened, and the content of pictures displayed.
The cam and the notched disc rotate clockwise continuously along with the first rotating shaft until the cam moves to a position D and contacts with the upper movable plate, in the process, the arc AB and the straight line DA of the cam are sequentially contacted with the upper movable plate, the upper connecting spring drives the upper movable plate to move downwards until the upper movable plate moves to a lower limit position, the upper observation window is completely opened, the arc CD of the cam is always contacted with the lower movable plate, and meanwhile, the deflector rod is separated from the radial groove of the grooved wheel, so that the position of the upper movable plate is changed, the position of the lower movable plate is unchanged, the position of the conveyor belt is unchanged, the upper observation window is opened from closing to opening, the lower observation window is always opened, and the content of pictures displayed behind the observation window is.
The cam and the notched disc rotate clockwise continuously along with the first rotating shaft until the C point of the cam is contacted with the lower movable plate, in the process, the arc CD of the cam is always contacted with the upper movable plate and the lower movable plate simultaneously, and the deflector rod is separated from the radial groove of the grooved wheel, so that the positions of the upper movable plate and the lower movable plate are unchanged, the position of the conveyor belt is unchanged, the upper observation window and the lower observation window are always in an open state, and the content of pictures displayed behind the observation windows is unchanged.
The cam and the notched disc continue to rotate along with the first rotating shaft until the cam moves to the middle point of the arc AB of the cam to be contacted with the lower movable plate, in the process, the straight line BC of the cam and the arc AB are sequentially contacted with the lower movable plate, the cam drives the lower movable plate to move downwards until the lower movable plate moves to the lower limit position, the lower observation window is completely shielded by the lower inserting plate, the arc CD of the cam is always contacted with the upper movable plate, and the deflector rod is separated from the radial groove of the grooved pulley, so that the position of the upper movable plate is unchanged, the position of the lower movable plate is changed, the position of the conveyor belt is unchanged, the upper observation window is always in an open state, the lower observation window is closed from the open state, and the content of pictures; at this time, the deflector rod is about to enter the radial groove of the grooved wheel.
The cam and the notched disc continue to rotate along with the first rotating shaft until the cam moves to the position D and contacts with the lower movable plate, in the process, the arc AB and the straight line DA of the cam sequentially contact with the lower movable plate, the lower connecting spring drives the lower movable plate to move upwards until the lower movable plate moves to the upper limit position, the observation window below the lower movable plate is completely opened, the deflector rod drives the grooved pulley to rotate, the grooved pulley sequentially drives the bevel gear transmission mechanism and the belt transmission mechanism to move, and the upper conveyor belt and the lower conveyor belt synchronously move; the cam circular arc CD is always contacted with the upper movable plate, so that the position of the upper movable plate is unchanged, the position of the lower movable plate is changed, the position of the conveyor belt is changed, the upper observation window is always in an open state, the lower observation window is in a state from closed to open, the content of pictures displayed behind the observation window begins to change, and at the moment, the deflector rod does not completely leave the radial groove of the grooved wheel.
The cam and the notched disc continuously rotate along with the first rotating shaft until the symmetrical shaft 0102 of the cam moves to be located at a horizontal position, in the process, the arc CD of the cam is always in contact with the upper movable plate and the lower movable plate simultaneously, the upper and lower observation windows are completely opened, the poking rod continuously drives the grooved wheel to rotate until the grooved wheel leaves, and the grooved wheel sequentially drives the bevel gear transmission mechanism and the belt transmission mechanism to move, so that the upper and lower conveying belts synchronously move; when the deflector rod completely leaves the grooved pulley, the conveyor belt stops moving, the grooved pulley finishes one-time transposition at the moment, the conveyor belt enters the next working position, so that the positions of the upper movable plate and the lower movable plate are not changed, the position of the conveyor belt is changed, the observation windows at the upper part and the lower part are always in an open state, the picture content displayed by the observation windows behind is changed into the next group of learning content, a group of image-text comparison learning is further finished, and the reciprocating cycle is realized along with the continuous rotation of the cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256003.7A CN111369834A (en) | 2020-04-02 | 2020-04-02 | Preschool education is with multi-functional teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256003.7A CN111369834A (en) | 2020-04-02 | 2020-04-02 | Preschool education is with multi-functional teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111369834A true CN111369834A (en) | 2020-07-03 |
Family
ID=71210855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010256003.7A Withdrawn CN111369834A (en) | 2020-04-02 | 2020-04-02 | Preschool education is with multi-functional teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111369834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735229A (en) * | 2021-01-16 | 2021-04-30 | 潍坊工程职业学院 | Think political affairs education with adjustable display device |
-
2020
- 2020-04-02 CN CN202010256003.7A patent/CN111369834A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735229A (en) * | 2021-01-16 | 2021-04-30 | 潍坊工程职业学院 | Think political affairs education with adjustable display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108269426A (en) | A kind of Chinese vocabulary explanation displaying teaching aid | |
| CN111369834A (en) | Preschool education is with multi-functional teaching device | |
| JP2012200345A (en) | Shutter yakumono (accessory) device | |
| CN103824479A (en) | Training aid for learning English words | |
| CN209331605U (en) | The adjustable displaying device of Art Design teaching | |
| CN108961938B (en) | A mathematics teaching aid for digital reasoning and memory training | |
| CN111932960A (en) | Show instrument of guide infant's literacy exercise | |
| CN113487956A (en) | Intelligent mechanical design classroom demonstration teaching aid | |
| CN207367433U (en) | A kind of primary school's English teaching reviews device with auxiliary | |
| CN109637199A (en) | A kind of alphanumeric arrangement combined type word-building device | |
| CN206179319U (en) | Economic management demonstrates fence | |
| CN206700772U (en) | Pieced gear timing clock | |
| CN214541065U (en) | Demonstration board for education | |
| CN208781418U (en) | A kind of numerical medium art teaching displaying device | |
| CN209560792U (en) | A kind of preschool education English assistant teaching aid | |
| CN208908089U (en) | A kind of modified word-teaching plate | |
| CN209183008U (en) | A kind of English teaching teaching aid | |
| CN206961374U (en) | English teaching aid | |
| CN209357249U (en) | A kind of autonomous learning primary school Chinese Chinese idiom educational toy | |
| CN113593311B (en) | Be applied to children english study toy | |
| CN109892912A (en) | A kind of showcase with rotation function | |
| CN208061493U (en) | A kind of English card learning device | |
| CN214335993U (en) | Interesting english learning device | |
| CN212256695U (en) | Multiple material blooming demonstration device | |
| CN203849880U (en) | An English word learning teaching aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200703 |
|
| WW01 | Invention patent application withdrawn after publication |