CN209879876U - Infant mathematics teaching board - Google Patents
Infant mathematics teaching board Download PDFInfo
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- CN209879876U CN209879876U CN201920545435.2U CN201920545435U CN209879876U CN 209879876 U CN209879876 U CN 209879876U CN 201920545435 U CN201920545435 U CN 201920545435U CN 209879876 U CN209879876 U CN 209879876U
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- 238000005192 partition Methods 0.000 claims description 27
- 238000000926 separation method Methods 0.000 claims description 18
- 239000011324 bead Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 241001146209 Curio rowleyanus Species 0.000 abstract 1
- 210000004556 brain Anatomy 0.000 abstract 1
- 210000003205 muscle Anatomy 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
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Abstract
The utility model discloses an infant's mathematics teaching board contains the shell, openly be equipped with a first window and two second windows at the shell, be equipped with the apron with shell looks fixed connection at the shell back, be equipped with two cylinders at shell right flank parallel, wear the string of beads dress on the cylinder that lies in shell right side upper portion, be equipped with two and separate disconnected muscle in the shell inside, cut apart into left side, well, the three compartment cavity in right side with the shell inner chamber, and wear to be equipped with the axle device that turns left, well pivot device and the axle device that turns right respectively in left side, well, the three compartment cavity in the right side. The utility model discloses a rotate the pivot on the teaching board and take the number pattern in left digit area, right digit area and the sign pattern on the sign area to show in the window to improve child's attention, make child remember the figure in the window more easily, combine simple mathematical operation simultaneously can provide more chance of moving about the manual brain for child, let child more high-efficient, more happy in the study of digit understanding and mathematics arithmetic, improve infant's interest in learning.
Description
Technical Field
The utility model relates to an infant's teaching equipment, in particular to infant's mathematics teaching board.
Background
The infant stage is a key period for cultivating children to learn well, and the learning characteristics of the children are mainly reflected in: the subjective initiative is not strong, and the attention is easily dispersed, so the key point of the teaching of the infant period lies in cultivating the interest of the learning of the children, and the children can learn the knowledge in the game.
The traditional mathematical education of the infant period usually stays on the simple recognition of numbers and the counting according to the sequence, and the numbers which are picked out independently cannot be recognized well and quickly, and the most basic mathematical addition and subtraction operation cannot be carried out, so that the intelligence improvement progress of the infant is hindered.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the background technology, the utility model aims to provide a mathematical teaching board for infants.
In order to realize the purpose, the utility model discloses a technical scheme be: a teaching board for infant mathematics comprises a teaching board body, wherein the teaching board body comprises a shell, a first window and two second windows are arranged on the front face of the shell, the first window is located in the middle of the front face of the shell, and the two second windows are symmetrically arranged on the left side and the right side of the first window;
two cylinders are arranged on the right side of the shell in parallel, one cylinder is positioned in the middle of the right side of the shell, the other cylinder is positioned on the upper part of the right side of the shell, one ends of the two cylinders are fixedly connected with the right side surface of the shell, the other end of the two cylinders is a free end, and a plurality of beads are arranged on the cylinder positioned on the upper part of the right side of the shell in a penetrating manner;
two partition ribs are arranged in the shell, the inner cavity of the shell is divided into a left partition cavity, a middle partition cavity and a right partition cavity by the two partition ribs, the middle partition cavity is correspondingly communicated with the first window, and the left partition cavity and the right partition cavity are respectively and correspondingly communicated with two second windows positioned on the left side and the right side of the first window;
a left rotating shaft device is arranged in the left separation cavity in a penetrating mode, and the left rotating shaft device is opposite to a second window positioned on the left side of the first window;
a right rotating shaft device is arranged in the right separation cavity in a penetrating manner, and the right rotating shaft device is opposite to a second window positioned on the right side of the first window;
a middle rotating shaft device is arranged in the middle separation cavity in a penetrating mode, and the middle rotating shaft device is opposite to the first window.
In the above scheme, the left rotating shaft device includes an upper left rotating shaft and a lower left rotating shaft, the upper left rotating shaft and the lower left rotating shaft are horizontally disposed on the upper side and the lower side of a second window located on the left side of the first window, one end of each of the upper left rotating shaft and the lower left rotating shaft is inserted into a partition rib corresponding to the left partition cavity, and the other end of each of the upper left rotating shaft and the lower left rotating shaft penetrates through the left side surface of the housing and extends to the outside of the housing;
the right rotating shaft device comprises an upper right rotating shaft and a lower right rotating shaft, the upper right rotating shaft and the lower right rotating shaft are horizontally arranged on the upper side and the lower side of a second window positioned on the right side of the first window, one end of each of the upper right rotating shaft and the lower right rotating shaft is inserted into a partition rib corresponding to the right partition cavity, and the other end of each of the upper right rotating shaft and the lower right rotating shaft penetrates through the right side surface of the shell and extends to the outside of the shell;
the middle rotating shaft device comprises a middle rotating shaft, the middle rotating shaft vertically penetrates through the middle separation cavity, one end of the middle rotating shaft is inserted into the inner bottom wall of the middle separation cavity, and the other end of the middle rotating shaft penetrates through the inner top wall of the middle separation cavity and extends to the outside of the shell.
In the scheme, a left rotating wheel is sleeved on each of the upper left rotating shaft and the lower left rotating shaft, a left digital band is wound on the two left rotating wheels, one end of the left digital band is wound on the left rotating wheel of the upper left rotating shaft, and the other end of the left digital band is wound on the left rotating wheel of the lower left rotating shaft;
the upper right rotating shaft and the lower right rotating shaft are respectively sleeved with a right rotating wheel, a right digital belt is wound on the two right rotating wheels, one end of the right digital belt is wound on the right rotating wheel of the upper right rotating shaft, and the other end of the right digital belt is wound on the right rotating wheel of the lower right rotating shaft;
the middle rotating shaft is sleeved with a middle rotating wheel, the middle rotating wheel is opposite to the first window on the shell, and a symbol belt is wound on the middle rotating wheel.
In the scheme, the left digital band and the right digital band are both provided with digital patterns from 0 to 9, and the sign band is provided with two mathematical operator patterns of + and-respectively;
in the process of rotating the upper left rotating shaft or the lower left rotating shaft, the digital pattern change on the left digital band can be observed from the second window on the left side of the front surface of the shell;
in the process of rotating the upper right rotating shaft or the lower right rotating shaft, the digital pattern change on the right digital band can be observed from the second window on the right side of the front surface of the shell;
during the rotation of the middle rotating shaft, the change of the mathematical operator pattern on the symbol belt can be observed from the first window in the middle of the front surface of the shell.
In the above scheme, still contain telescopic bracket and base, telescopic bracket's flexible end with teaching board bottom is connected, telescopic bracket's stiff end with the base top is connected.
In the above scheme, the top of the telescopic end of the telescopic support is connected with a support frame, the support frame is provided with a slot which is matched with the bottom of the teaching board in an inserting manner, and the teaching board is inserted into the slot of the support frame through the bottom and is fixedly connected with the telescopic end of the telescopic support.
In the above scheme, the bottom of the base is provided with a plurality of rollers.
Compared with the prior art, the beneficial effects of the utility model are that: the numbers of 0-9 and the operators of plus and minus are displayed in the window one by rotating the rotating shaft on the teaching board, so that the attention of children can be improved, the children can remember the numbers in the window more easily, more practical, manual and mental opportunities can be provided for the children by combining simple mathematical operation, the children can learn the numbers more efficiently and more happily in the process of learning numerical recognition and mathematical arithmetic, and the learning interest of the children is further improved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a rear view of the present invention.
In the figure: 1. a teaching board; 1.1, a shell; 1.1a, a first window; 1.1b, a second window; 1.1c, cylindrical; 1.1d, partition ribs; 1.1e, a left separation chamber; 1.1f, a middle partition chamber; 1.1g, right separation cavity; 1.2, stringing beads; 1.3, a left rotating shaft device; 1.3a, a left upper rotating shaft; 1.3b, a left lower rotating shaft 1.3c and a left rotary shaft; 1.3d, left digit band; 1.4, a right rotating shaft device; 1.4a, a right upper rotating shaft; 1.4b, a lower right rotating shaft; 1.4c, a right-hand wheel; 1.4d, right digit band; 1.5, a central rotating shaft device; 1.5a, a middle rotating shaft; 1.5b, a transfer wheel; 1.5c, symbol band; 2. a telescoping support; 2.1, a telescopic end; 2.1a, a support frame; 2.2, fixing end; 3. a base; 3.1, rollers.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
Fig. 1 and 2 show an embodiment of the teaching board for infant mathematics provided by the present invention, which comprises a teaching board 1, a retractable bracket 2 and a base 3, wherein:
the bottom of teaching board 1 is inserted and is established in the support frame 2.1a slot of the flexible end 2.1 of telescoping shoring 2 to with the flexible end 2.1 fixed connection of telescoping shoring 2, the stiff end 2.2 of telescoping shoring 2 and the top fixed connection of base 3 are equipped with 4 gyro wheels 3.1 in the bottom of base 3.
The teaching board 1 comprises a shell 1.1, wherein the front surface of the shell 1.1 is provided with a first window 1.1a and two second windows 1.1b, the first window 1.1a is positioned in the middle of the front surface of the shell 1.1, the two second windows 1.1b are symmetrically arranged at the left side and the right side of the first window 1.1a, the back surface of the shell 1.1 is also provided with a cover plate (not shown in the figure), and the cover plate is fixed on the back surface of the shell 1.1 through screws;
two cylinders 1.1c are arranged on the right side of the shell 1.1 in parallel, wherein one cylinder 1.1c is positioned in the middle of the right side of the shell 1.1, the other cylinder 1.1c is positioned on the upper part of the right side of the shell 1.1, one end of each of the two cylinders 1.1c is fixedly connected with the right side of the shell 1.1, the other end of each of the two cylinders is a free end, and a plurality of bead strings 1.2 penetrate through the cylinder 1.1c positioned on the upper part of the right side of the shell 1.1;
two partition ribs 1.1d are arranged in the shell 1.1, the inner cavity of the shell 1.1 is divided into a left separation cavity 1.1e, a middle separation cavity 1.1f and a right separation cavity 1.1g by the two partition ribs 1.1d, the middle separation cavity 1.1f is correspondingly communicated with a first window 1.1a, and the left separation cavity 1.1e and the right separation cavity 1.1g are respectively and correspondingly communicated with two second windows 1.1b positioned at the left side and the right side of the first window 1.1a one by one;
a left rotating shaft device 1.3 is arranged in the left separation cavity 1.1e in a penetrating way, and the left rotating shaft device 1.3 is opposite to a second window 1.1b positioned at the left side of the first window 1.1 a;
a right rotating shaft device 1.4 is arranged in the right separation cavity 1.1g in a penetrating way, and the right rotating shaft device 1.4 is opposite to a second window 1.1b positioned on the right side of the first window 1.1 a;
a middle rotating shaft device 1.5 is also arranged in the middle separating chamber 1.1f in a penetrating way, and the middle rotating shaft device 1.5 is opposite to the first window 1.1 a.
The left rotating shaft device 1.3 comprises an upper left rotating shaft 1.3a and a lower left rotating shaft 1.3b, the upper left rotating shaft 1.3a and the lower left rotating shaft 1.3b are horizontally arranged on the upper side and the lower side of a second window 1.1b positioned on the left side of the first window 1.1a, one end of the upper left rotating shaft 1.3a and one end of the lower left rotating shaft 1.3b are inserted into a partition rib 1.1d corresponding to the left partition cavity 1.1e, and the other end of the upper left rotating shaft 1.3a and the other end of the lower left rotating shaft 1.3b penetrate through the left side surface of the shell 1.1 and extend to the;
the right rotating shaft device 1.4 comprises an upper right rotating shaft 1.4a and a lower right rotating shaft 1.4b, the upper right rotating shaft 1.4a and the lower right rotating shaft 1.4b are horizontally arranged on the upper side and the lower side of a second window 1.1b positioned on the right side of the first window 1.1a, one end of each of the upper right rotating shaft 1.4a and the lower right rotating shaft 1.4b is inserted into a partition rib 1.1d corresponding to the right partition cavity 1.1g, and the other end of each of the upper right rotating shaft 1.4a and the lower right rotating shaft 1.4b penetrates through the right side surface of the shell 1.1 and extends to the outside of the shell;
the middle rotating shaft device 1.5 includes a middle rotating shaft 1.5a, the middle rotating shaft 1.5a vertically penetrates through the middle partition compartment 1.1f, one end of the middle rotating shaft 1.4 is inserted on the inner bottom wall of the middle partition compartment 1.1f, and the other end passes through the inner top wall of the middle partition compartment 1.1f and extends to the outside of the outer shell 1.1.
A left rotating wheel 1.3c is respectively sleeved on the left upper rotating shaft 1.3a and the left lower rotating shaft 1.3b, a left digital belt 1.3d is wound on the two left rotating wheels 1.3c, one end of the left digital belt 1.3d is wound on the left rotating wheel 1.3c of the left upper rotating shaft 1.3a, and the other end is wound on the left rotating wheel 1.3c of the left lower rotating shaft 1.3 b;
a right rotating wheel 1.4c is respectively sleeved on the right upper rotating shaft 1.4a and the right lower rotating shaft 1.4b, a right digital belt 1.4d is wound on the two right rotating wheels 1.4c, one end of the right digital belt 1.4d is wound on the right rotating wheel 1.4c of the right upper rotating shaft 1.4a, and the other end is wound on the right rotating wheel 1.4c of the right lower rotating shaft 1.4 b;
a middle rotating wheel 1.5b is sleeved on the middle rotating shaft 1.5a, the middle rotating wheel 1.5b is opposite to the first window 1.1a on the shell 1.1, and a symbol belt 1.5c is wound on the middle rotating wheel 1.5 b.
Digital patterns from 0 to 9 are arranged on the left digital band 1.3d and the right digital band 1.4d, and two mathematical operator patterns of + and-are arranged on the symbol band 1.5 c;
in the process of rotating the left upper rotating shaft 1.3a or the left lower rotating shaft 1.3b, the digital pattern change on the left digital band 1.3d can be observed from the second window 1.1b on the left side of the front surface of the shell 1.1;
in the process of rotating the right upper rotating shaft 1.4a or the right lower rotating shaft 1.4b, the digital pattern change on the right digital band 1.4d can be observed from the second window 1.1b on the right side of the front surface of the shell 1.1;
during the rotation of the central axis 1.5a, the mathematical operator pattern on the symbol strip 1.5c can be observed from the first window 1.1a in the middle of the front surface of the housing 1.1.
The utility model provides an infant's mathematics teaching board, its specific use is as follows:
(1) the digital patterns on the left digital band 1.3d are sequentially displayed in a second window 1.1b on the left side of the teaching board 1 by rotating the upper left rotating shaft 1.3a or the lower left rotating shaft 1.3b on the teaching board 1; or the upper right rotating shaft 1.4a or the lower right rotating shaft 1.4b on the teaching board 1 is rotated, so that the digital patterns on the right digital band 1.4d are sequentially displayed in the second window 1.1b on the right side of the teaching board 1; the teacher teaches the children one by one to recognize and read the numbers displayed in the second window 1.1b, so that the children can have preliminary understanding on the numbers;
(2) when the child knows the numbers from 0 to 9, the child randomly rotates the upper left rotating shaft 1.3a or the lower left rotating shaft 1.3b on the teaching board 1, so that the number pattern on the left number belt 1.3d is randomly presented in the second window 1.1b on the left side of the teaching board 1; or randomly rotating the upper right rotating shaft 1.4a or the lower right rotating shaft 1.4b on the teaching board 1 to make the digital patterns on the right digital band 1.4d randomly appear in the second window 1.1b on the right side of the teaching board 1 and make the children read the numbers displayed in the second window 1.1 b;
(3) after the children are completely familiar with the numbers from 0 to 9, the children can form teams in pairs, one of the children randomly rotates the left upper rotating shaft 1.3a or the left lower rotating shaft 1.3b on the teaching board 1, so that the number pattern on the left number belt 1.3d is randomly presented in the second window 1.1b on the left side of the teaching board 1; or the upper right rotating shaft 1.4a or the lower right rotating shaft 1.4b on the teaching board 1 is rotated, so that the digital patterns on the right digital band 1.4d are randomly presented in the second window 1.1b on the right side of the teaching board 1, and another child reads the numbers displayed in the second window 1.1b, and after one group of exercises is finished, the two children exchange roles to carry out the next group of exercises;
(4) after the child completely grasps the numbers from 0 to 9, the teacher rotates the middle rotating shaft 1.5a on the teaching board 1 again to enable the operation symbols of the "+" and the "-" on the symbol strip 1.5c to be sequentially presented in the first window 1.1a, and the teacher teaches the child one by one to know the operation symbols displayed in the first window 1.1a and explains the specific meanings of the "+" and the "-" to the child;
(5) after the child has a preliminary understanding about "+" and "-", the child is first taught a simple addition operation, the teacher rotates the upper left rotating shaft 1.3a or the lower left rotating shaft 1.3b on the teaching board 1 to present the digital pattern on the left digital band 1.3d in the second window 1.1b on the left side of the teaching board 1, rotates the upper right rotating shaft 1.4a or the lower right rotating shaft 1.4b to present the digital pattern on the right digital band 1.4d in the second window 1.1b on the right side of the teaching board 1, rotates the middle rotating shaft 1.5a to present "+" on the symbol band 1.5c in the first window 1.1a on the teaching board 1, then takes out the corresponding number of beads 1.2 from the upper right cylinder 1.1c of the casing 1.1 and penetrates into the middle cylinder 1.1c on the right side of the casing 1.1 according to the numbers displayed in the two second windows 1.1b, and finally penetrates into the middle cylinder 1.1c of the middle cylinder 1.1c on the right side of the casing 1, obtaining an operation result and reading the operation result;
(6) after the child understands the operation rule of "+", the teacher can randomly rotate the upper left rotating shaft 1.3a or the lower left rotating shaft 1.3b on the teaching board 1 to enable the digital pattern on the left digital band 1.3d to be presented in the second window 1.1b on the left side of the teaching board 1, rotate the upper right rotating shaft 1.4a or the lower right rotating shaft 1.4b to enable the digital pattern on the right digital band 1.4d to be presented in the second window 1.1b on the right side of the teaching board 1, and enable the child to take down the corresponding number of beads 1.2 from the cylinder 1.1c on the upper right side of the shell 1.1 by hands according to the digital patterns displayed in the two second windows 1.1b and to penetrate the cylinder 1.1c in the middle of the right side of the shell 1.1, and then the number of the beads 1.2 penetrating the cylinder 1.1c in the middle of the right side of the shell 1.1 is counted to obtain the operation result, and the operation result is read;
(7) after the children master the operation method of '+', the children can form teams in pairs, one of the children randomly rotates the left upper rotating shaft 1.3a or the left lower rotating shaft 1.3b on the teaching board 1, so that the digital pattern on the left digital band 1.3d is presented in the second window 1.1b on the left side of the teaching board 1, the right upper rotating shaft 1.4a or the right lower rotating shaft 1.4b is rotated, so that the digital pattern on the right digital band 1.4d is presented in the second window 1.1b on the right side of the teaching board 1, the other child answers according to the numbers displayed in the two second windows 1.1b, and the operation result is read, and after one group of exercises is finished, the two children exchange roles, and then the next group of exercises are carried out;
(8) after the child completely masters the operation method of "+", the child is taught to perform simple operation of "-", the teacher rotates the upper left rotating shaft 1.3a or the lower left rotating shaft 1.3b on the teaching board 1 respectively to make the digital patterns on the left digital band 1.3d appear in the second window 1.1b on the left side of the teaching board 1, rotates the upper right rotating shaft 1.4a or the lower right rotating shaft 1.4b to make the digital patterns on the right digital band 1.4d appear in the second window 1.1b on the right side of the teaching board 1, and simultaneously, the teacher notices that the numbers in the second window 1.1b on the left side of the teaching board 1 are larger than the numbers in the second window 1.1b on the right side of the teaching board 1, and then rotates the middle rotating shaft 1.5a to make the "-" on the symbol band 1.5c appear in the first window 1.1a of the teaching board 1;
firstly, according to the number displayed in the second window 1.1b on the left side of the teaching board 1, taking down a corresponding number of beads 1.2 from the cylinder 1.1c on the upper part on the right side of the outer shell 1.1, penetrating the beads 1.1c on the middle part on the right side of the outer shell 1.1, then according to the number displayed in the second window 1.1b on the right side of the teaching board 1, taking down the corresponding beads 1.2 from the cylinder 1.1c which has just penetrated the beads 1.2, penetrating the beads back to the cylinder 1.1c on the upper part on the right side of the outer shell 1.1, and finally counting the number of the beads 1.2 left on the cylinder 1.1c on the middle part on the right side of the outer shell 1.1, namely, obtaining an operation result and reading the number;
(9) after the child understands the operation rule of "-", the teacher can randomly rotate the upper left rotating shaft 1.3a or the lower left rotating shaft 1.3b on the teaching board 1 to enable the digital pattern on the left digital band 1.3d to be presented in the second window 1.1b on the left side of the teaching board 1, rotate the upper right rotating shaft 1.4a or the lower right rotating shaft 1.4b to enable the digital pattern on the right digital band 1.4d to be presented in the second window 1.1b on the right side of the teaching board 1, so that the child can automatically penetrate the beads 1.2 and take off the beads 1.2 according to the numbers displayed in the two second windows 1.1b, and the number of the beads 1.2 left on the middle cylinder 1.1c on the right side of the shell 1.1 is the operation result, and then read out the number;
(10) after the children master the operation method of the minus, the children can form teams in pairs, one of the children randomly rotates the upper left rotating shaft 1.3a or the lower left rotating shaft 1.3b on the teaching board 1, so that the digital pattern on the left digital band 1.3d is displayed in the second window 1.1b on the left side of the teaching board 1, the upper right rotating shaft 1.4a or the lower right rotating shaft 1.4b is rotated, the digital pattern on the right digital band 1.4d is displayed in the second window 1.1b on the right side of the teaching board 1, the other child can respond according to the digital patterns displayed in the two second windows 1.1b, the operation result is read, and after one group of exercises is finished, the two children can interchange roles, and the next group of exercises are carried out.
The above is only the embodiment of the present invention, not the scope of the present invention, all of which utilize the equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied in other related technical fields, all of which are included in the same principle in the protection scope of the present invention.
Claims (7)
1. The teaching board for the mathematics of the children comprises a teaching board (1) and is characterized in that the teaching board (1) comprises a shell (1.1), the front surface of the shell (1.1) is provided with a first window (1.1a) and two second windows (1.1b), the first window (1.1a) is positioned in the middle of the front surface of the shell (1.1), the two second windows (1.1b) are symmetrically arranged at the left side and the right side of the first window (1.1a), and the back surface of the shell (1.1) is provided with a cover plate fixedly connected with the shell (1.1);
two cylinders (1.1c) are arranged on the right side of the shell (1.1) in parallel, one cylinder (1.1c) is located in the middle of the right side of the shell (1.1), the other cylinder (1.1c) is located on the upper portion of the right side of the shell (1.1), one ends of the two cylinders (1.1c) are fixedly connected with the right side face of the shell (1.1), the other end of the two cylinders is a free end, and a plurality of beads (1.2) are arranged on the cylinder (1.1c) located on the upper portion of the right side of the shell (1.1) in a penetrating mode;
the inner cavity of the shell (1.1) is divided into a left separating cavity (1.1e), a middle separating cavity (1.1f) and a right separating cavity (1.1f) by the two separating ribs (1.1d), the middle separating cavity (1.1f) is correspondingly communicated with the first window (1.1a), and the left separating cavity (1.1e) and the right separating cavity (1.1g) are respectively correspondingly communicated with the two second windows (1.1b) positioned at the left side and the right side of the first window (1.1 a);
a left rotating shaft device (1.3) is arranged in the left separation cavity (1.1e) in a penetrating way, and the left rotating shaft device (1.3) is opposite to a second window (1.1b) positioned at the left side of the first window (1.1 a);
a right rotating shaft device (1.4) is arranged in the right separation cavity (1.1g) in a penetrating way, and the right rotating shaft device (1.4) is opposite to a second window (1.1b) positioned on the right side of the first window (1.1 a);
a middle rotating shaft device (1.5) is also arranged in the middle separating chamber (1.1f) in a penetrating way, and the position of the middle rotating shaft device (1.5) is opposite to that of the first window (1.1 a).
2. The children mathematics teaching board according to claim 1, wherein, the left rotating shaft device (1.3) comprises a left upper rotating shaft (1.3a) and a left lower rotating shaft (1.3b), the left upper rotating shaft (1.3a) and the left lower rotating shaft (1.3b) are horizontally arranged on the upper and lower sides of the second window (1.1b) on the left side of the first window (1.1a), one end of the left upper rotating shaft (1.3a) and one end of the left lower rotating shaft (1.3b) are inserted on the partition rib (1.1d) corresponding to the left partition cavity (1.1e), and the other end of the left upper rotating shaft (1.3a) and the other end of the left lower rotating shaft pass through the left side of the shell (1.1) and extend to the outside of the shell (1.1);
the right rotating shaft device (1.4) comprises an upper right rotating shaft (1.4a) and a lower right rotating shaft (1.4b), the upper right rotating shaft (1.4a) and the lower right rotating shaft (1.4b) are horizontally arranged on the upper side and the lower side of a second window (1.1b) on the right side of the first window (1.1a), one end of each of the upper right rotating shaft (1.4a) and the lower right rotating shaft (1.4b) is inserted into a partition rib (1.1d) corresponding to the right partition cavity (1.1g), and the other end of each of the upper right rotating shaft (1.4a) and the lower right rotating shaft (1.4b) penetrates through the right side face of the shell (1.1) and extends to the outside of the shell (1.1;
the middle rotating shaft device (1.5) comprises a middle rotating shaft (1.5a), the middle rotating shaft (1.5a) vertically penetrates through the middle separating cavity (1.1f), one end of the middle rotating shaft (1.5) is inserted into the inner bottom wall of the middle separating cavity (1.1f), and the other end of the middle rotating shaft penetrates through the inner top wall of the middle separating cavity (1.1f) and extends to the outside of the shell (1.1).
3. The child mathematics teaching board according to claim 2, characterized in that, a left wheel (1.3c) is sleeved on each of said left upper rotating shaft (1.3a) and left lower rotating shaft (1.3b), a left digital band (1.3d) is wound on two said left wheels (1.3c), one end of said left digital band (1.3d) is wound on the left wheel (1.3c) of the left upper rotating shaft (1.3a), and the other end is wound on the left wheel (1.3c) of the left lower rotating shaft (1.3 b);
a right rotating wheel (1.4c) is sleeved on each of the upper right rotating shaft (1.4a) and the lower right rotating shaft (1.4b), a right digital band (1.4d) is wound on each of the two right rotating wheels (1.4c), one end of each right digital band (1.4d) is wound on the right rotating wheel (1.4c) of the upper right rotating shaft (1.4a), and the other end of each right digital band is wound on the right rotating wheel (1.4c) of the lower right rotating shaft (1.4 b);
the middle rotating shaft (1.5a) is sleeved with a middle rotating wheel (1.5b), the middle rotating wheel (1.5b) is opposite to a first window (1.1a) on the shell (1.1), and a symbol belt (1.5c) is wound on the middle rotating wheel (1.5 b).
4. The child mathematics teaching board according to claim 3, characterized in that on said left (1.3d) and right (1.4d) digital bands are provided with digital patterns from 0 to 9, on said sign band (1.5c) are provided with two mathematical operator patterns "+" and "-";
in the process of rotating the left upper rotating shaft (1.3a) or the left lower rotating shaft (1.3b), the digital pattern change on the left digital belt (1.3d) can be observed from a second window (1.1b) on the left side of the front surface of the shell (1.1);
in the process of rotating the right upper rotating shaft (1.4a) or the right lower rotating shaft (1.4b), the digital pattern change on the right digital belt (1.4d) can be observed from a second window (1.1b) on the right side of the front surface of the shell (1.1);
during the rotation of the central axis (1.5a), the mathematical operator pattern changes on the symbol strip (1.5c) can be observed from the first window (1.1a) in the middle of the front surface of the shell (1.1).
5. The children's mathematics teaching board according to any one of claims 1 to 4, characterized in that it further comprises a telescopic bracket (2) and a base (3), the telescopic end (2.1) of said telescopic bracket (2) is connected with the bottom of said teaching board (1), and the fixed end (2.2) of said telescopic bracket (2) is connected with the top of said base (3).
6. The infant mathematics teaching board according to claim 5, characterized in that, a supporting frame (2.1a) is connected with the top of the telescopic end (2.1) of the telescopic bracket (2), a slot matching with the bottom of the teaching board (1) is arranged on the supporting frame (2.1a), the teaching board (1) is inserted into the slot of the supporting frame (2.1a) through the bottom and is connected and fixed with the telescopic end (2.1) of the telescopic bracket (2).
7. A child mathematics teaching board according to claim 5, characterized in that a number of rollers (3.1) are provided at the bottom of the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920545435.2U CN209879876U (en) | 2019-04-22 | 2019-04-22 | Infant mathematics teaching board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920545435.2U CN209879876U (en) | 2019-04-22 | 2019-04-22 | Infant mathematics teaching board |
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| Publication Number | Publication Date |
|---|---|
| CN209879876U true CN209879876U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920545435.2U Expired - Fee Related CN209879876U (en) | 2019-04-22 | 2019-04-22 | Infant mathematics teaching board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593370A (en) * | 2021-07-30 | 2021-11-02 | 脑谷人工智能研究院(南京)有限公司 | Teaching equipment for guiding children to correctly learn |
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2019
- 2019-04-22 CN CN201920545435.2U patent/CN209879876U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593370A (en) * | 2021-07-30 | 2021-11-02 | 脑谷人工智能研究院(南京)有限公司 | Teaching equipment for guiding children to correctly learn |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |