CN112331030B - Tool for Chinese teaching - Google Patents
Tool for Chinese teaching Download PDFInfo
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- CN112331030B CN112331030B CN202011395055.9A CN202011395055A CN112331030B CN 112331030 B CN112331030 B CN 112331030B CN 202011395055 A CN202011395055 A CN 202011395055A CN 112331030 B CN112331030 B CN 112331030B
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- 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
- G09B19/00—Teaching not covered by other main groups of this subclass
Abstract
The invention relates to the technical field of teaching tools, in particular to a Chinese teaching tool, which comprises a supporting frame and a display device for information transmission, wherein the display device comprises a display unit, a display area is arranged in the display unit, one end of the display area is connected with a transverse shaft, the display area adopts a structure that two display areas which are partially transparent and are arranged in tandem are mutually matched for use, the supporting frame is in an inverted 'mountain' -shaped structure, a long groove for moving the display device is arranged in the supporting frame, the display device and the supporting frame are matched for use to form a structure that the display device moves up and down and is fixed by the supporting frame, and a baffle plate for fixing the display device is arranged on the supporting frame, so that the problems that the prior art Chinese teaching tool cannot provide different teaching contents for students according to teaching progress and enables the different teaching contents to be matched for guiding the students to understand the teaching contents are solved, the invention has wide prospect in the manufacturing industry of teaching tools.
Description
The patent application is divisional application, the application number of a parent application is 2019100514987, and the application date of the parent application is 2019, 01 month and 21 days.
Technical Field
The invention belongs to the technical field of teaching tools, and particularly relates to a tool for Chinese teaching.
Background
The Chinese classroom is an important propagation path of Chinese language, and the traditional Chinese culture is vigorously promoted and propagated in the current era, so that an active and energetic Chinese classroom is very important. However, the Chinese classroom is generally boring and tedious, and is difficult to arouse the learning interest of students, especially ancient poetry, not only is unsmooth and difficult to read, but also needs to combine drawings, comments or times backgrounds for understanding. But the original text, the picture and the annotation can not be displayed simultaneously during explanation, and the better understanding and memorizing effect can be realized only by guiding step by step.
Therefore, a tool which can be used in cooperation with a student to complete a Chinese teaching activity is needed, different teaching contents are provided for the student according to the teaching progress, learning interest is stimulated, thinking of the student is guided, memory is enhanced, and the purpose of facilitating understanding is achieved.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention provides a Chinese teaching tool, which solves the problems that the Chinese teaching tool in the prior art cannot provide different teaching contents for students according to teaching progress and enables the different teaching contents to cooperate with each other to guide the students to understand the teaching contents.
The technical scheme includes that the tool for Chinese teaching comprises a support frame and a display device for information transmission, wherein the display device comprises two display units which are sequentially arranged along the length direction, the display units are of cuboid structures, at least two groups of the display units are arranged along the width direction, the display units are fixedly connected with one another, a display area is arranged in each display unit, one end of each display area is connected with a cross shaft, a structure which pulls the cross shaft to stretch the display areas out of the display units and releases the fixed state of the cross shaft to roll the display areas into the display units is formed, the display areas are formed by partial transparent materials, contents recorded in two display areas in a front-back mode are matched with one another to use the structure which is commonly used for teaching, the support frame is of an inverted ' mountain ' structure ', and an elongated slot for moving the display device is arranged in the support frame, the display device is matched with the support frame to form a structure that the display device moves up and down and is fixed by the support frame, and the support frame is provided with a separation blade for fixing the display device.
Furthermore, the support frame includes left pole, right pole, king-rod and horizontal pole, the central point of display device upper surface puts and is provided with the pull ring, be fixed with the fixed pulley on the horizontal pole intermediate position, be provided with the rope that the horizontal pole one end tip was kept away from to king-rod through the fixed pulley downwardly extending on the pull ring, the one end that the pull ring was kept away from to the rope is fixed on the take-up pulley, forms the structure that rotates the take-up pulley control display device and reciprocate.
Further, the separation blade is including the first separation blade that is used for the cross axle of display element between fixed king-rod and the left pole and the second separation blade that is used for the cross axle of display element between fixed king-rod and the right pole, be provided with the rectangular channel that is used for first separation blade and second separation blade installation on the king-rod, the collapsible connection of first separation blade and second separation blade is inside the rectangular channel, be provided with the draw-in groove that uses with first separation blade and the cooperation of second separation blade tip on the cross axle, form first separation blade and second separation blade card and hold the structure at the fixed show area tensile length in cross axle middle part.
Furthermore, each display unit is internally divided into a rotary part at two ends, a rotary shaft part and a rotary shaft part, wherein the rotary part and the rotary shaft part are positioned in the middle of the rotary part, the rotary part and the rotary shaft are separated by a baffle, the baffle is provided with two central lines which are symmetrically arranged along the length direction of the display unit, each rotary shaft part is provided with a shaft core, a rotary mechanism which is used for pulling the display unit to rotate to the original state after the rotary shaft core rotates is arranged in the rotary part, the end part of each rotary mechanism is provided with a clamping structure for clamping the shaft core, and a display area which can be wound on the outer surface of the shaft core and can be contracted to the display unit is arranged on the shaft core.
Further, rotation mechanism includes the torsional spring, the show unit both ends are provided with and are used for showing unit confined end plate, torsional spring one end bolt fastening is on the end plate, the one end bolted connection that the end plate was kept away from to the torsional spring has the pivot, be provided with the round hole that is used for the pivot to pass on the baffle, be provided with in the round hole with pivot interference fit's bearing, form two pivots and rely on the joint structure of tip to block the structure of axle core jointly.
Furthermore, the clamping structure comprises a rotary piece, one end of the rotary shaft close to the shaft core is provided with a groove with a rectangular structure, one end of the shaft core close to the rotary shaft is provided with a bulge integrated with the rotary shaft, a structure that the bulge is arranged in the groove to connect the rotary shaft with the shaft core is formed, one long edge of the groove is communicated with an arc-shaped groove, one edge of the arc-shaped groove extends to the arc-shaped edge of the rotary shaft, the rotary piece comprises a rotary rod and an arc-shaped piece, the rotary rod is rotatably fixed at the bottom of the groove and the arc-shaped groove by adopting a bolt, the arc-shaped piece is perpendicular to the rotary rod, the bulge is provided with an elastic part, the arc-shaped piece is provided with a clamping groove for the elastic part to enter, the rotary rod drives the arc-shaped piece to rotate to seal the groove opening and is matched with the bottom of the groove to fix the structure that the end part of the shaft core protrudes, one end of the rotary shaft close to the shaft core is provided with an arc-shaped opening for the arc-shaped piece to enter, the bottom of the groove is provided with a spring, the one end that the recess bottom was kept away from to the spring is provided with the stationary blade, the welding of stationary blade one end has the first rack of perpendicular to stationary blade, the arc wall is inside be provided with the gear with first rack toothing, a side that the first rack was kept away from to the gear is provided with rather than the second rack of meshing, second rack and bull stick fixed connection form protruding push down the spring and drive the stationary blade and move down with first rack, and the second rack takes place in the removal of first rack opposite direction under the meshing of gear, promotes the bull stick and rotates the structure that realizes the arc piece and seal the notch.
Furthermore, a concave groove is formed in the center of the fixing plate, a magnet is fixed inside the concave groove, a first clamping block fixed by a bolt is arranged at a position, close to the rotating plate, in the arc-shaped groove, a second clamping block with a hollow groove is arranged at a position, close to the spring, in the arc-shaped groove, and a structure that two convex side edges are fixed under the action of one edge of the first clamping block, the second clamping block and the groove is formed.
Furthermore, the bottom of the support frame is connected with a base with three telescopic rods, and the base controls the telescopic length of the telescopic rods through hydraulic pressure to form a structure that the height of the support frame can be adjusted by the aid of the base.
The invention has the advantages that the display area which is used in a front-back matching way is adopted to carry out the activity of Chinese teaching, the display area is pulled out as required according to the course progress, students are guided to think, the interest of the students in class is aroused, and the memory of the learned knowledge is enhanced;
the display device is connected with the support frame in a sliding manner, is matched with the take-up pulley through a rope and a fixed pulley for use, and is lifted or lowered as required;
the display unit is used for displaying teaching contents, when the teaching contents need to be displayed, the display area is pulled out, a blocking piece is matched with a clamping groove on a transverse shaft for use, the display area with one pulled out display unit is fixed, the other display area with annotations or pictures is pulled out according to the course progress, the two display areas in front of and behind are matched to form complete teaching contents, and the display area in front does not influence the display of the teaching contents on the display area behind;
The rotary mechanism takes the coil spring as a power source for rewinding in the display area, the display area is more convenient and fast to store, the coil spring transmits rewinding power to the mandrel through the rotating shaft, and the baffle for fixing the rotating shaft is provided with a bearing for reducing friction, so that the rewinding friction of the shaft cloth is reduced;
the clamping structure is arranged for quickly replacing a shaft core with the content of the display area, the groove is used for clamping a protrusion of the shaft core, the clamping groove and the fixed piece on the rotating piece are used for fixing two side surfaces of the protrusion, the rotating piece rotates to close the groove opening through a pushing piece fixedly connected with the spring, and the rotating piece is matched with the spring below the fixed piece to realize fixation; one side face of the groove is matched with the first clamping block and the second clamping block to be used for fixing the other two side faces of the protrusion, and the two protruding end portions are fixed at the fixed interval of the two rotating shafts, so that the core shaft is fixed and rapidly installed and replaced.
Drawings
FIG. 1 is a front view of the Chinese teaching tool of the present invention.
FIG. 2 is a side view of the present invention as a tool for teaching chinese language.
FIG. 3 is a cross-sectional view of a tool display unit for teaching Chinese language according to the present invention.
FIG. 4 is a side view of the spindle of the Chinese teaching tool of the present invention.
FIG. 5 is a cross-sectional view of a spindle of the tool for teaching Chinese language according to the present invention.
FIG. 6 is a side view of the teaching tool rotor of the present invention.
Fig. 7 is a structural view of the axial core of the Chinese teaching tool of the present invention.
The display device comprises a support frame 1, a display device 2, a display unit 201, a display area 202, a transverse shaft 203, a long groove 3, a blocking plate 4, a left rod 101, a right rod 102, a middle rod 103, a transverse rod 104, a pulling ring 5, a fixed pulley 6, a rope 7, a take-up pulley 8, a first blocking plate 401, a second blocking plate 402, a rectangular groove 403, a clamping groove 404, a rotating part 204, a rotating shaft 205, a blocking plate 206, a shaft core 207, a rotating mechanism 9, a clamping structure 10, a torsional spring 901, an end plate 902, a rotating shaft 903, a circular hole 904, a rotating plate 1001, a groove 1002, a protrusion 1003, an arc-shaped groove 1004, a rotating rod 1005, an arc-shaped plate 1006, an elastic element 1007, a 1008 fastening groove, an arc-shaped opening 1009, a 1010 spring, a 1011 fastening plate, a first rack 1012, a 1013 gear, a second rack 1015, a recessed groove 1016, a magnet 1017, a first fixture block 1018, a second fixture 1014 and a 11 base.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings.
The first embodiment is as follows: according to the attached drawings of the specification, the Chinese teaching tool comprises a support frame 1, wherein the support frame 1 is made of a material with low density, such as plastic or metal aluminum, and the outer edge surface of the support frame 1 is subjected to arc treatment to prevent a sharp part from scratching a human body. Still including being used for information transfer's display device 2, display device 2 includes that two are arranged the display element 201 that sets up in proper order along length direction, and display element 201 is the cuboid structure, and display element 201 has at least two sets of along its width direction range, and display element 201 has four at least, adopts this arrangement, and four little blackboards make up the structure of a big blackboard in the classroom of being similar to also can be as required along display element 201 width direction parallel a set of or multiunit. Each display unit 201 is fixedly connected with each other, the outer walls of the display units 201 are connected through bolts, and the length directions of the display units are connected through bolts by using end plates 902 close to each other. The inside show area 202 that is fixed with through axle core 207 screw of show unit 201, show area 202 is the flexible material that can roll up, show area 202 is used for writing down the teaching content, and the part that does not write down the teaching content in the show area 202 that is located the front end must be transparent, and the show area 202 that is located the rear end is according to the transparent part of front end show area 202 writing down corresponding teaching content, realizes that the cooperation of show area 202 content is used the function of being convenient for the student easily to understand around the realization. One end of the display area 202 is connected with a cross shaft 203 through a screw, the cross shaft 203 is in a cylindrical rod shape, the cross shaft 203 can move in the long groove 3 and is fixed through the baffle 4, and the cross shaft 203 and the display area 202 form a structure which pulls the cross shaft 203 to stretch the display area 202 out of the display unit 201 and releases the fixing state of the cross shaft 203 to roll the display area 202 into the display unit 201. The display area 202 is made of a partially transparent material to form a structure for teaching, wherein the contents recorded in the two display areas 202 are matched with each other. The support frame 1 is an inverted 'mountain' -shaped structure, the support frame 1 comprises a left rod 101, a right rod 102, a middle rod 103 and a cross rod 104, and the support frame 1 is integrally formed or all the rod pieces are welded and connected. The central point of display device 2 upper surface puts and is provided with pull ring 5, and pull ring 5 adopts bolted connection's mode to fix the central point who puts at display device 2, and the one end that display device 2 was kept away from to pull ring 5 is provided with hollow ring. Be fixed with fixed pulley 6 on the horizontal pole 104 intermediate position, fixed pulley 6 adopts and fixes with horizontal pole 104 welding or bolt fastening's pulley lever, the welding has the round bar that is used for fixed pulley 6 pivoted on the pulley lever, be equipped with on the pull ring 5 and keep away from the rope 7 of horizontal pole 104 one end tip through fixed pulley 6 downwardly extending to king-rod 103, the one end that pull ring 5 was kept away from to rope 7 is fixed on take-up pulley 8, take-up pulley 8 is prior art, adopt the take-up pulley 8 of balcony jacket clothes sunning frame, form and rotate the structure that take-up pulley 8 control display device 2 reciprocated. The long groove 3 used for moving the display device 2 is arranged in the support frame 1, the long groove 3 is formed by hollow structures on the left rod 101, the right rod 102, the middle rod 103 and the cross rod 104 together, and the display device 2 is matched with the support frame 1 to form a structure that the display device 2 moves up and down and is fixed by the support frame 1. The supporting frame 1 is provided with a baffle 4 for fixing the display device 2, the baffle 4 comprises a first baffle 401 for fixing a transverse shaft 203 of the display unit 201 between the middle rod 103 and the left rod 101 and a second baffle 402 for fixing the transverse shaft 203 of the display unit 201 between the middle rod 103 and the right rod 102, the middle rod 103 is provided with a rectangular groove 403 for installing the first baffle 401 and the second baffle 402, the first baffle 401 and the second baffle 402 are connected in the rectangular groove 403 in a retractable manner, the transverse shaft 203 is provided with a clamping groove 404 matched with the end parts of the first baffle 401 and the second baffle 402, a structure that the first baffle 401 and the second baffle 402 are clamped in the middle part of the transverse shaft 203 to fix the stretching length of the display area 202 is formed, the first baffle 401 and the second baffle 402 have the same structure, and comprises a main rod fixed in the rectangular groove 403 and an expansion rod capable of moving in the main rod, the expansion rod is a prior art and can adopt a pneumatic rod, one end of the telescopic rod far away from the main rod is provided with a fixing sheet 1011 matched with the clamping groove 404.
In one embodiment, according to the drawings, each display unit 201 is divided into three parts, namely a turning part 204 at two ends, a rotating shaft part 205 and a rotating shaft 903 in the middle of the turning part 204, the display unit 201 is externally provided with a hollow rectangular housing, a cover connected in a hinged manner is arranged on the housing, and an opening for moving the display area 202 out of the display unit 201 is arranged at one end of the cover far away from the hinged structure. The middle of the rotating part 204 and the rotating shaft 903 is separated from the baffle 206, the baffle 206 and the shell are integrally molded by injection molding, and two baffles 206 are symmetrically arranged about the center line of the length direction of the display unit 201. Each rotating shaft part 205 is provided with a shaft core 207, a rotating mechanism 9 which is used for pulling the display area 202 to drive the shaft core 207 to rotate and then can rotate to an original state is arranged in the rotating part 204, the rotating mechanism 9 comprises a torsion spring 901, two ends of the display unit 201 are provided with end plates 902 used for sealing the display unit 201, and the end plates 902 and the shell are clamped or fixed by threads. One end of a torsion spring 901 is fixed on the end plate 902 through a bolt, one end of the torsion spring 901, which is far away from the end plate 902, is connected with a rotating shaft 903 through a bolt, a round hole 904 for the rotating shaft 903 to pass through is arranged on the baffle 206, and a bearing in interference fit with the rotating shaft 903 is arranged in the round hole 904, so that a structure that the two rotating shafts 903 are clamped on the shaft core 207 through the clamping structure 10 at the end part is formed. The mandrel 207 is provided with a display area 202 which can be wound on the outer surface of the mandrel 207 and contracted to the display unit 201.
In an embodiment, according to the attached drawings, the end of each turning mechanism 9 is provided with a clamping structure 10 for clamping the shaft core 207, the clamping structure 10 includes a rotating plate 1001, one end of the rotating shaft 903 near the shaft core 207 is provided with a groove 1002 with a rectangular structure, and the groove 1002 extends from the outer surface of the rotating shaft 903 in the diameter direction of the rotating shaft 903 in a rectangular shape, but does not penetrate through the rotating shaft 903. One end of the shaft core 207 close to the rotating shaft 903 is provided with a protrusion 1003 which is integrated with the shaft core, the thickness of the protrusion 1003 is the same as the width of the groove 1002, and a structure that the protrusion 1003 is arranged in the groove 1002 to connect the rotating shaft 903 and the shaft core 207 is formed. A long side of the groove 1002 is communicated with an arc-shaped groove 1004, one side of the long side of the groove 1002 extends to the arc-shaped edge of the rotating shaft 903, the rotating sheet 1001 comprises a rotating rod 1005 and an arc-shaped sheet 1006, the rotating rod 1005 and the arc-shaped sheet 1006 are integrally manufactured or welded, the rotating rod 1005 is rotatably fixed to the bottoms of the groove 1002 and the arc-shaped groove 1004 through bolts, and the arc-shaped sheet 1006 is perpendicular to the rotating rod 1005. Be provided with elastic component 1007 on the arch 1003, be provided with the fastening groove 1008 that is used for elastic component 1007 to get into on the arc piece 1006, fastening groove 1008 and arc piece 1006 structure as an organic whole form bull stick 1005 and drive arc piece 1006 and rotate and seal recess 1002 mouth and with the protruding 1003 of recess 1002 bottom cooperation fixed axle core 207 tip. The one end that pivot 903 is close to axle core 207 is provided with the arc mouth 1009 that is used for arc piece 1006 to get into, and recess 1002 bottom joint has spring 1010, and recess 1002 bottom is provided with the joint groove that is used for spring 1010 joint, and the one end that recess 1002 bottom was kept away from to spring 1010 is provided with the stationary blade 1011, and the one side that the stationary blade 1011 is close to spring 1010 is provided with the fixed slot of joint spring 1010. One end of the fixing piece 1011 is welded with a first rack 1012 vertical to the fixing piece 1011, a gear 1013 engaged with the first rack 1012 is arranged in the arc slot 1004, a round bar which is integrated with the arc slot 1004 and rotates by the gear 1013 is arranged in the arc slot 1004, and a fixing head for preventing the gear 1013 from moving up and down is arranged on the round bar. A second rack 1014 meshed with the side surface of the gear 1013 away from the first rack 1012 is arranged on the side surface of the gear 1013, a track for moving the second rack 1014 is arranged inside the arc-shaped groove 1004, the second rack 1014 is fixedly connected or in contact connection with the rotating rod 1005, the end of the second rack 1014 contacts one side of the rotating rod 1005, so that the protrusion 1003 presses the spring 1010 to drive the fixed plate 1011 and the first rack 1012 to move downwards, the second rack 1014 moves in the opposite direction of the first rack 1012 under the meshing of the gear 1013, and the rotating rod 1005 is pushed to rotate to realize the structure that the arc-shaped plate 1006 closes the opening of the groove 1002.
In the above embodiment, as shown in the drawings, a recessed groove 1015 is formed in the center of the fixing plate 1011, a magnet 1016 is fixed in the recessed groove 1015 by screws, a first latching block 1017 fixed by a bolt is arranged in the arc groove 1004 near the rotating plate 1001, a second latching block 1018 with a hollow groove is arranged in the arc groove 1004 near the spring 1010, the hollow groove is used for mounting and moving the gear 1013 and the rack, the first latching block 1017 and the second latching block 1018 are fixed to the bottom of the arc groove 1004 by bolts, and two sides of the protrusion 1003 are fixed under the action of the first latching block 1017, the second latching block 1018 and one edge of the groove 1002.
In an embodiment, as shown in the drawing, a base 11 with three telescopic rods is connected to the bottom of the support frame 1, the three telescopic rods correspond to the left rod 101, the right rod 102 and the middle rod 103 respectively, and the base 11 adopts the prior art, and the telescopic lengths of the telescopic rods are controlled hydraulically to form a structure that the height of the support frame 1 is adjusted by means of a fixing bolt.
Instructions for use: the display area is fixed on the detachable shaft core, corresponding teaching contents are recorded on the display area according to different class hour contents, the shaft core is replaced according to class hours, and the take-up pulley and the rope are used for lifting or lowering the position of the display device, so that the shaft core is convenient to replace; in the same class hour, according to the lecture progress two show districts about record different contents, show the district through the transparent position of front end show district with the rear end of its cooperation use and present teaching content, accomplish the cooperation from beginning to end, comment, picture and characters help student to understand and remember jointly, mr draws the cross axle downwards, and the separation blade is used for the position of fixed cross axle, and the separation blade is relieved the fixing of separation blade to the cross axle at the course end, and the show district is automatic to be rewound.
The invention adopts the display area which is used in a front-back matching way to carry out the activity of Chinese teaching, realizes the pulling-out of the display area according to the course progress, guides students to think, excites the interest of the students in class and enhances the memory of the learned knowledge; the display device is connected with the support frame in a sliding manner, is matched with the take-up pulley through a rope and a fixed pulley for use, and is lifted or lowered as required; the display unit is used for displaying teaching contents, when the teaching contents need to be displayed, the display area is pulled out, a blocking piece is matched with a clamping groove on a transverse shaft for use, the display area with one pulled out display unit is fixed, the other display area with annotations or pictures is pulled out according to the course progress, the two display areas in front of and behind are matched to form complete teaching contents, and the display area in front does not influence the display of the teaching contents on the display area behind; the rotary mechanism takes the coil spring as a power source for rewinding in the display area, the display area is more convenient and fast to store, the coil spring transmits rewinding power to the mandrel through the rotating shaft, and the baffle for fixing the rotating shaft is provided with a bearing for reducing friction, so that the rewinding friction of the shaft cloth is reduced; the clamping structure is arranged for quickly replacing a shaft core with the content of the display area, the groove is used for clamping a protrusion of the shaft core, the clamping groove and the fixed piece on the rotating piece are used for fixing two side surfaces of the protrusion, the rotating piece rotates to close the groove opening through a pushing piece fixedly connected with the spring, and the rotating piece is matched with the spring below the fixed piece to realize fixation; one side face of the groove is matched with the first clamping block and the second clamping block to be used for fixing the other two side faces of the protrusion, and the two protruding end portions are fixed at the fixed interval of the two rotating shafts, so that the core shaft is fixed and rapidly installed and replaced.
The present invention has been described in detail with reference to the specific embodiments and examples, but these are not to be construed as limiting the invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.
Claims (1)
1. The tool for Chinese teaching comprises a supporting frame (1) and is characterized by further comprising a display device (2) used for information transmission, wherein the display device (2) comprises two display units (201) sequentially arranged along the length direction, the display units (201) are of a cuboid structure, the display units (201) are at least arranged in two groups along the width direction, the display units (201) are fixedly connected with each other, a display area (202) is arranged inside the display units (201), one end of the display area (202) is connected with a transverse shaft (203), a structure for pulling the transverse shaft (203) to stretch the display area (202) out of the display units (201) and releasing the fixed state display area (202) of the transverse shaft (203) from being rolled into the display units (201) is formed, and the display area (202) adopts a part of transparent material to form a structure for teaching by mutually matching the contents recorded in the two display areas (202) in a front-back manner, the display device is characterized in that the support frame (1) is of an inverted 'mountain' -shaped structure, a long groove (3) used for moving the display device (2) is arranged in the support frame (1), the display device (2) and the support frame (1) are matched for use to form a structure that the display device (2) moves up and down and is fixed by the support frame (1), a blocking piece (4) used for fixing the display device (2) is arranged on the support frame (1), the inside of each display unit (201) is divided into a rotary part (204) positioned at two ends, a rotary shaft part (205) positioned in the middle of the rotary part (204) and a rotary shaft (903), the rotary parts (204) and the rotary shaft (903) are separated from a blocking plate (206), the blocking plates (206) are symmetrically arranged relative to the central line of the display unit (201) in the length direction, each rotary shaft part (205) is provided with a shaft core (207), the rotary part (204) is internally provided with rotary mechanisms (9) which are used for pulling the display area (202) to drive the shaft core (207) to rotate and then can rotate to the original state, each rotary mechanism (9) is provided with a clamping structure (10) for clamping the shaft core (207) at the end part, the shaft core (207) is provided with a display area (202) which can be wound on the outer surface of the shaft core (207) and can contract to the display unit (201), the rotary mechanism (9) comprises a torsion spring (901), the two ends of the display unit (201) are provided with end plates (902) for closing the display unit (201), one end of the torsion spring (901) is fixed on the end plates (902) through bolts, one end of the torsion spring (901) far away from the end plates (902) is connected with a rotating shaft (903) through a bolt, the baffle plate (206) is provided with a round hole (904) through which is used for the rotating shaft (903) to pass, and a bearing which is in interference fit with the rotating shaft (903) is arranged in the round hole (904), a structure that two rotating shafts (903) clamp a shaft core (207) together by means of a clamping structure (10) at the end part is formed, the clamping structure (10) comprises a rotating piece (1001), a groove (1002) with a rectangular structure is formed in one end, close to the shaft core (207), of each rotating shaft (903), a protrusion (1003) integrated with the rotating shaft (903) is arranged at one end, close to the rotating shaft (903), of each shaft core (207), the protrusion (1003) is arranged in the groove (1002) to connect the rotating shaft (903) with the shaft core (207), one long side of each groove (1002) is communicated with an arc-shaped groove (1004) extending to the arc-shaped edge of the rotating shaft (903), each rotating piece (1001) comprises a rotating rod (1005) and an arc-shaped piece (1006), each rotating rod (1005) is rotatably fixed at the bottoms of the groove (1002) and the arc-shaped grooves (1004) by bolts, and each arc-shaped piece (1006) is perpendicular to the rotating rod (1005), an elastic piece (1007) is arranged on the protrusion (1003), a fastening groove (1008) for the elastic piece (1007) to enter is formed in the arc-shaped piece (1006), a rotating rod (1005) is formed to drive the arc-shaped piece (1006) to rotate, the opening of the groove (1002) is sealed, and the structure of the protrusion (1003) at the end part of the shaft core (207) is fixed in a matching manner with the bottom of the groove (1002), an arc-shaped opening (1009) for the arc-shaped piece (1006) to enter is arranged at one end, close to the shaft core (207), of the rotating shaft (903), a spring (1010) is arranged at the bottom of the groove (1002), a fixing piece (1011) is arranged at one end, far away from the bottom of the groove (1002), a first rack (1012) perpendicular to the fixing piece (1011) is welded at one end of the fixing piece (1011), a gear (1013) meshed with the first rack (1012) is arranged inside the arc-shaped groove (1004), and a second rack (1014) meshed with the first rack (1012) is arranged at one side surface, far away from the first rack (1012) of the gear (1013), the second rack (1014) is fixedly connected with the rotating rod (1005) to form a protrusion (1003) to press the spring (1010) to drive the fixing sheet (1011) and the first rack (1012) to move downwards, the second rack (1014) moves in the direction opposite to the direction of the first rack (1012) under the meshing of the gear (1013) to push the rotating rod (1005) to rotate to realize the structure that the arc-shaped sheet (1006) seals the opening of the groove (1002), the support frame (1) comprises a left rod (101), a right rod (102), a middle rod (103) and a cross rod (104), the central position of the upper surface of the display device (2) is provided with a pull ring (5), the middle position of the cross rod (104) is fixed with a fixed pulley (6), the pull ring (5) is provided with a rope (7) which extends downwards to the end part of the middle rod (103) far away from the cross rod (104) through the fixed pulley (6), and one end part of the rope (7) far away from the pull ring (5) is fixed on the take-up pulley (8), a structure that a rotary take-up pulley (8) controls the up-and-down movement of the display device (2) is formed, the blocking piece (4) comprises a first blocking piece (401) used for fixing a transverse shaft (203) of the display unit (201) between the middle rod (103) and the left rod (101) and a second blocking piece (402) used for fixing the transverse shaft (203) of the display unit (201) between the middle rod (103) and the right rod (102), a rectangular groove (403) used for installing the first blocking piece (401) and the second blocking piece (402) is formed in the middle rod (103), the first blocking piece (401) and the second blocking piece (402) are connected in the rectangular groove (403) in a retractable manner, a clamping groove (404) matched with the end parts of the first blocking piece (401) and the second blocking piece (402) is formed in the transverse shaft (203), and the first blocking piece (401) and the second blocking piece (402) are clamped in the middle part of the transverse shaft (203) to fix the stretching length of the display area (202), the support is characterized in that a concave groove (1015) is formed in the center of the fixing plate (1011), a magnet (1016) is fixed in the concave groove (1015), a first clamping block (1017) fixed by a bolt is arranged in the arc groove (1004) close to the rotating plate (1001), a second clamping block (1018) with a hollow groove is arranged in the arc groove (1004) close to the spring (1010), two side edges forming the protrusion (1003) are fixed under the action of the first clamping block (1017), the second clamping block (1018) and one edge of the groove (1002), a base (11) with three telescopic rods is connected to the bottom of the support frame (1), the telescopic length of the telescopic rods is controlled by the base (11) through hydraulic pressure, and a structure that the height of the support frame (1) can be adjusted by the base (11) is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011395055.9A CN112331030B (en) | 2019-01-21 | 2019-01-21 | Tool for Chinese teaching |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910051498.7A CN109584682B (en) | 2019-01-21 | 2019-01-21 | Tool for Chinese teaching activities |
| CN202011395055.9A CN112331030B (en) | 2019-01-21 | 2019-01-21 | Tool for Chinese teaching |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910051498.7A Division CN109584682B (en) | 2019-01-21 | 2019-01-21 | Tool for Chinese teaching activities |
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| CN112331030A CN112331030A (en) | 2021-02-05 |
| CN112331030B true CN112331030B (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910051498.7A Expired - Fee Related CN109584682B (en) | 2019-01-21 | 2019-01-21 | Tool for Chinese teaching activities |
| CN202011395055.9A Active CN112331030B (en) | 2019-01-21 | 2019-01-21 | Tool for Chinese teaching |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910051498.7A Expired - Fee Related CN109584682B (en) | 2019-01-21 | 2019-01-21 | Tool for Chinese teaching activities |
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| CN (2) | CN109584682B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129002B (en) * | 2021-12-01 | 2023-08-11 | 延边大学 | Teaching graph suspension display device for history education |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109584682A (en) | 2019-04-05 |
| CN112331030A (en) | 2021-02-05 |
| CN109584682B (en) | 2020-12-22 |
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Inventor after: Wang Xiaofeng Inventor after: Wang Ye Inventor after: Han Mingrui Inventor after: Zhang Fangfang Inventor after: Gong Yanwen Inventor after: Wang Yan Inventor before: Han Mingrui Inventor before: Wang Xiaofeng Inventor before: Wang Ye Inventor before: Wang Yan Inventor before: Gong Yanwen |
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