CN214705096U - Multi-functional teaching aid that junior middle school english was used - Google Patents

Multi-functional teaching aid that junior middle school english was used Download PDF

Info

Publication number
CN214705096U
CN214705096U CN202120828315.0U CN202120828315U CN214705096U CN 214705096 U CN214705096 U CN 214705096U CN 202120828315 U CN202120828315 U CN 202120828315U CN 214705096 U CN214705096 U CN 214705096U
Authority
CN
China
Prior art keywords
teaching aid
box
case lid
middle school
junior middle
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.)
Expired - Fee Related
Application number
CN202120828315.0U
Other languages
Chinese (zh)
Inventor
高继霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202120828315.0U priority Critical patent/CN214705096U/en
Application granted granted Critical
Publication of CN214705096U publication Critical patent/CN214705096U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

The utility model provides a multi-functional teaching aid that junior middle school english was used relates to the teaching aid field. The utility model provides a multi-functional teaching aid that junior middle school's english was used, includes box and case lid of mutual lock joint, and box and case lid pass through spring hasp to be connected, and the case lid top articulates there is the show board, and week side border in the case lid all rotates and is connected with the bracing piece, has seted up in the box with bracing piece matched with skewer hole. The utility model integrates the containing mechanism and the display mechanism of the teaching aid in the whole structure, thereby realizing the simultaneous use of two functions and improving the practicability of the device; simultaneously case lid accessible bracing piece joint in the cuttage of box downthehole and then realize the lifting function of show board, make the bandwagon effect of this device better, the suitability is stronger.

Description

Multi-functional teaching aid that junior middle school english was used
Technical Field
The utility model relates to a teaching aid field particularly, relates to a multi-functional teaching aid that junior middle school english was used.
Background
In order to cultivate the interest of students in English, the current English teachers can display a large number of teaching aids such as cards, puppets and the like in a classroom to attract the attention of children, and cultivate the interest of learning English, and a large number of teaching aids need to be brought to the classroom by the teachers and are inconvenient to carry; in addition, the teacher not only needs to carry teaching aids to the classroom, but also needs to bring the teaching aids to the classroom together with textbooks, data, teaching notes, workbooks, water cups and other tools, most classrooms need to go upstairs and go upstairs, and the teacher is inconvenient to carry a large number of articles to go to the teaching, so the teacher urgently needs a teaching aid box.
Simultaneously, the teacher when carrying out english teaching, need to demonstrate to the student to the file or the data that the teaching was used, supply the student to watch, the show method that the teacher used simultaneously is to hand corresponding file or data, and it is very inconvenient during the show, extravagant teacher's physical power very much, and because shake appears easily during the manpower show, lead to the bandwagon effect not good, the teaching effect is not good, therefore mr still needs a display device.
The device that does not have the case and the show mechanism that will accomodate the teaching aid on the existing market and merge appears, leads to the blank in market.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-functional teaching aid that english was used in just, it can also carry out the show operation of imparting knowledge to students when can accomodating teaching aid.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a multi-functional teaching aid that junior middle school english was used, box and case lid including mutual lock joint, box and case lid pass through spring hasp and connect, the case lid top articulates there is the show board, week side border in the case lid all rotates and is connected with the bracing piece, seted up in the box with bracing piece matched with skewer hole.
In some embodiments of the utility model, above-mentioned box and case lid all become the rectangle form, it is provided with the lug to lie in its corner in the box, the skewer hole is seted up along vertical direction in the lug.
In some embodiments of the present invention, the support rod is a telescopic rod.
In some embodiments of the utility model, above-mentioned the case lid inside wall is provided with joint spare, joint spare is used for the card to put the bracing piece is kept away from the connection the one end of case lid.
In some embodiments of the present invention, the box body is provided with a plurality of partitions, and the box body is divided into a plurality of cavities by the partitions.
In some embodiments of the present invention, a rubber layer is laid on the bottom of the box body.
In some embodiments of the utility model, above-mentioned the case lid is extended one of them side along the department articulated show board that has, the show inboard intussuseption is filled with iron plate, the face of show board attached with iron plate matched with magnet piece.
In some embodiments of the present invention, the side wall of the box cover and the display board are connected to an elastic band.
The utility model discloses an in some embodiments, above-mentioned the spout has all been seted up to the both sides that the show board is relative, the spout is provided with the slide rail, sliding connection has the subplate, the subplate is provided with the couple towards the regional lateral wall of show.
In some embodiments of the utility model, above-mentioned case lid top is provided with the handle, seted up in the show board with handle assorted opening.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
the embodiment of the utility model provides a multi-functional teaching aid that junior middle school english was used, including the box and the case lid of mutual lock joint, box and case lid pass through spring hasp and connect, and the case lid top articulates there is the show board, and week side border in the case lid all rotates and is connected with the bracing piece, seted up in the box with bracing piece matched with skewer hole. Teaching tools and books used for English teaching are contained in the box body, the teaching tools used by teachers can be regularly contained, the occupied space of the teaching tools can be reduced, and the carrying portability of the teaching tools can be improved; the case body and the case cover which are mutually buckled can be quickly disassembled and assembled, and meanwhile, the case cover is fixedly connected with the case body by utilizing the snap fasteners, so that the connection between the case body and the case cover is more stable and firmer, the case body can be prevented from falling off in the carrying and carrying process, the teaching aid is prevented from scattering, and the protection safety of the teaching aid is further improved; the display board hinged to the top of the box cover can be turned over, and files for display can be fixed on the display board after turning over, so that the teaching aid display device can achieve the display effect of files or data during teaching while the teaching aid is stored, the combination of the two functions enables the device to have higher practical value, and the teaching cost of teachers during teaching aid storage and display operation can be reduced; the bottom in the case cover is rotatably connected with a supporting rod, the supporting rod can be clamped in a plugging hole in the case body to be fixed after being unfolded, the height of a display board hinged to the top of the case cover can be raised through the arrangement, students positioned at the back row of a classroom can clearly hang and see displayed files or data, and the adaptability of the device can be improved; the utility model integrates the containing mechanism and the display mechanism of the teaching aid in the whole structure, thereby realizing the simultaneous use of two functions and improving the practicability of the device; simultaneously case lid accessible bracing piece joint in the cuttage of box downthehole and then realize the lifting function of show board, make the bandwagon effect of this device better, the suitability is stronger.
When in-service use, the teacher can place articles such as teaching aid books that the teaching was used in the box before going to the classroom, and utilize the hasp of case lid both sides to connect fixedly, place the completion back, bring the integrated device into the classroom, open the case lid, take out the teaching aid that need use, and turn over the bracing piece bottom the case lid card and put into the cuttage downthehole, open the show board at case lid top after the joint is accomplished, be fixed in on the show board with the data or the file that the student needed to watch can.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a combined structure of a multifunctional teaching aid according to an embodiment of the present invention;
fig. 2 is a schematic view of an expanded structure of the multifunctional teaching aid according to the embodiment of the present invention;
fig. 3 is a schematic view of a bottom view of the case cover according to the embodiment of the present invention;
fig. 4 is a schematic view of the internal structure of the box according to the embodiment of the present invention.
Icon: 1-a box body; 101-a skewer hole; 1011-bump; 102-a separator; 1021-a cavity; 103-a rubber layer; 2-box cover; 201-support rods; 202-a clip; 203-a display board; 2031-magnet block; 2032-through hole; 2033-subplate; 2034-hook; 2035-elastic band; 204-a handle; 3-spring hasp.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "vertical", "inner" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the utility model is usually placed when using, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the term "vertical" and the like, if present, does not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1, fig. 1 is a schematic view of a combined structure of a multifunctional teaching aid according to an embodiment of the present invention;
fig. 2 is a schematic view of an expanded structure of the multifunctional teaching aid according to the embodiment of the present invention; fig. 3 is a schematic bottom view of the case cover 2 according to the embodiment of the present invention; fig. 4 is a schematic view of the internal structure of the case 1 according to the embodiment of the present invention.
The embodiment of the utility model provides a multi-functional teaching aid that junior middle school's english was used, including box 1 and case lid 2 of mutual lock joint, box 1 and case lid 2 pass through snap 3 to be connected, and 2 tops of case lid articulate has show board 203, and week side border in the case lid 2 is all rotated and is connected with bracing piece 201, has seted up in box 1 with bracing piece 201 matched with skewer hole 101. The box body 1 is used for containing teaching tools and books used for English teaching, the teaching tools used by teachers can be regularly contained, the occupied space of the teaching tools can be reduced, and the carrying portability of the teaching tools can be improved; the case body 1 and the case cover 2 which are buckled with each other can be quickly disassembled and assembled, and meanwhile, the case cover 2 is fixedly connected with the case body 1 by the snap fasteners 3, so that the case body 1 and the case cover 2 are more stably and firmly connected, the case body 1 can be prevented from falling off in the carrying and lifting process, the teaching aid is prevented from scattering, and the protection safety of the teaching aid is further improved; the display board 203 hinged to the top of the box cover 2 can be turned over, and files for display can be fixed on the display board 203 after the display board is turned over, so that the teaching aid display device can achieve the display effect of files or data during teaching while the teaching aid is stored, the device has higher practical value due to the combination of the two functions, and the teaching cost of teachers during storage of the teaching aid and display operation can be reduced; the bottom in the case cover 2 is rotatably connected with a supporting rod 201, the supporting rod 201 can be clamped in a skewing hole 101 in the case body 1 to realize fixation after being unfolded, and the arrangement can lift the height of a display board 203 hinged to the top of the case cover 2, so that students in the back row of a classroom can clearly hang and see displayed files or data, and the adaptability of the device can be improved; the utility model integrates the containing mechanism and the display mechanism of the teaching aid in the whole structure, thereby realizing the simultaneous use of two functions and improving the practicability of the device; simultaneously case lid 2 accessible bracing piece 201 joint and then realize the lifting function of show board 203 in the skewer hole 101 of box 1, make the bandwagon effect of this device better, the suitability is stronger.
In the time of in-service use, the teacher is before going to the classroom, can place articles such as teaching aid books that the teaching was used in box 1, and the hasp 3 that utilizes 2 both sides of case lid connects fixedly, place the completion back, bring the integrated device into the classroom, open case lid 2, take out the teaching aid that needs use, and in turning over the bracing piece 201 of 2 bottoms of case lid put into insertion hole 101, open the show board 203 at 2 tops of case lid after the joint is accomplished, be fixed in on the show board 203 with the data or the file that the student need watch.
In some embodiments of the present invention, as shown in fig. 4, the box body 1 and the box cover 2 are rectangular, and the corner of the box body 1 is provided with a protrusion 1011, and the skewer hole 101 is provided in the protrusion 1011 along the vertical direction.
The convex block 1011 in this embodiment is in a quarter-cylinder shape, and the convex block 1011 and the corner of the box body 1 are in an integrated assembly form, and the convex block 1011 can play a role in enhancing the structural strength of the whole box body 1; the cylindric skewer hole 101 of seting up in the lug 1011 simultaneously can be used for holding the body of rod of bracing piece 201, and its four corners all is provided with skewer hole 101, makes bracing piece 201 can be fixed firm after the expansion card, avoids the crooked condition of case lid 2 to take place.
In some embodiments of the present invention, as shown in fig. 3, the support rod 201 is a telescopic rod.
The support rod 201 in the embodiment comprises an inner rod and an outer rod sleeved outside the inner rod, the end of the outer rod is rotatably connected with the bottom of the box cover 2, the rotating connection mode is a connection means in the prior art, and is not elaborated in detail here, one end of the inner rod is inserted into the insertion hole 101 to be fixed, and meanwhile, the butt joint of the inner rod and the outer rod can be butted and locked by bolts; teacher's accessible is adjusted the height of bracing piece 201 and then is made the more clear that show board 203 can show, makes the back row student see the show content clearly equally.
In some embodiments of the present invention, as shown in fig. 3, the inner sidewall of the case cover 2 is provided with a joint member 202, and the joint member 202 is used for clamping the supporting rod 201 to keep away from the end connected to the case cover 2.
The clip 202 in this embodiment is circular, and a notch is formed on one side of the clip facing the support rod 201, and the support rod 201 can be clipped into the clip 202 through the notch for placement and fixation.
In some embodiments of the present invention, as shown in fig. 4, a plurality of partition plates 102 are disposed in the box body 1, and the box body 1 is separated into a plurality of cavities 1021 by the plurality of partition plates 102.
Baffle 102 in this embodiment is two, sets up two baffles 102 and can separate three cavity 1021 with box 1, and the teacher can carry out classified storage with the teaching aid, makes the teacher take to use the teaching aid convenient more fast.
In some embodiments of the present invention, as shown in fig. 2, a rubber layer 103 is laid on the bottom of the box 1. The problem that the box body 1 is damaged due to the fact that the box body 1 collides with the ground surface can be prevented from occurring by arranging the rubber layer 103 at the bottom of the box body 1.
In some embodiments of the present invention, as shown in fig. 1 and 2, the box cover 2 is hinged to the display board 203 along one side edge thereof, the display board 203 is filled with an iron plate, and the magnet block 2031 matched with the iron plate is attached to the surface of the display board 203.
In some embodiments of the present invention, as shown in fig. 2, an elastic band 2035 is connected to the side wall of the box cover 2 attached to the display board 203. The two ends of the elastic band 2035 are respectively connected with the top surface of the box cover 2 and the surface of the display board 203, so as to play a supporting role, and the display board 203 can be positioned by the elastic band 2035 after being opened, so that the display board can be placed and displayed along an inclined direction.
In some embodiments of the present invention, as shown in fig. 2, the sliding grooves are disposed on both sides of the display board 203, the sliding grooves are provided with sliding rails, the sliding rails are connected to the sub-board 2033, and the sub-board 2033 is provided with a hook 2034 towards the side wall of the display area. The both sides setting at show board 203 can tensile subplate 2033, and the lateral wall of subplate 2033 has the couple 2034 that is used for hanging the teaching aid or the file, makes the use of this device more convenient.
In some embodiments of the present invention, as shown in fig. 2, a handle 204 is disposed on the top of the box cover 2, and a through hole 2032 matched with the handle 204 is disposed in the display board 203.
Handle 204 in this embodiment is a plastic ribbon, and handle 204 is arranged to facilitate carrying by a teacher.
To sum up, the embodiment of the utility model provides a multi-functional teaching aid that junior middle school english was used, including box 1 and case lid 2 of mutual lock joint, box 1 and case lid 2 pass through snap 3 to be connected, and 2 tops of case lid articulate has display board 203, and week side border in the case lid 2 is all rotated and is connected with bracing piece 201, has seted up in box 1 with bracing piece 201 matched with plughole 101. The box body 1 is used for containing teaching tools and books used for English teaching, the teaching tools used by teachers can be regularly contained, the occupied space of the teaching tools can be reduced, and the carrying portability of the teaching tools can be improved; the case body 1 and the case cover 2 which are buckled with each other can be quickly disassembled and assembled, and meanwhile, the case cover 2 is fixedly connected with the case body 1 by the snap fasteners 3, so that the case body 1 and the case cover 2 are more stably and firmly connected, the case body 1 can be prevented from falling off in the carrying and lifting process, the teaching aid is prevented from scattering, and the protection safety of the teaching aid is further improved; the display board 203 hinged to the top of the box cover 2 can be turned over, and files for display can be fixed on the display board 203 after the display board is turned over, so that the teaching aid display device can achieve the display effect of files or data during teaching while the teaching aid is stored, the device has higher practical value due to the combination of the two functions, and the teaching cost of teachers during storage of the teaching aid and display operation can be reduced; the bottom in the case cover 2 is rotatably connected with a supporting rod 201, the supporting rod 201 can be clamped in a skewing hole 101 in the case body 1 to realize fixation after being unfolded, and the arrangement can lift the height of a display board 203 hinged to the top of the case cover 2, so that students in the back row of a classroom can clearly hang and see displayed files or data, and the adaptability of the device can be improved; the utility model integrates the containing mechanism and the display mechanism of the teaching aid in the whole structure, thereby realizing the simultaneous use of two functions and improving the practicability of the device; simultaneously case lid 2 accessible bracing piece 201 joint and then realize the lifting function of show board 203 in the skewer hole 101 of box 1, make the bandwagon effect of this device better, the suitability is stronger.
In the time of in-service use, the teacher is before going to the classroom, can place articles such as teaching aid books that the teaching was used in box 1, and the hasp 3 that utilizes 2 both sides of case lid connects fixedly, place the completion back, bring the integrated device into the classroom, open case lid 2, take out the teaching aid that needs use, and in turning over the bracing piece 201 of 2 bottoms of case lid put into insertion hole 101, open the show board 203 at 2 tops of case lid after the joint is accomplished, be fixed in on the show board 203 with the data or the file that the student need watch.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a multi-functional teaching aid that junior middle school's english was used, its characterized in that, box and case lid including mutual lock joint, box and case lid pass through spring hasp and connect, the case lid top articulates there is the show board, week side border in the case lid all rotates and is connected with the bracing piece, seted up in the box with bracing piece matched with skewer hole.
2. A multifunctional teaching aid for junior middle school english according to claim 1, characterized in that the box and the box cover are rectangular, and a protrusion is provided in the box at a corner thereof, and the skewer hole is opened in the protrusion in a vertical direction.
3. The multifunctional teaching aid for junior middle school english of claim 1, characterized in that, the bracing piece is the telescopic link.
4. The multifunctional teaching aid for junior middle school english according to claim 1, characterized in that a clamping piece is arranged on the inner side wall of the case cover and used for clamping the supporting rod to be far away from one end connected with the case cover.
5. The multifunctional teaching aid for junior middle school english according to claim 1, characterized in that a plurality of baffles are arranged in the box body, and the box body is divided into a plurality of cavities through a plurality of baffles.
6. The multifunctional teaching aid for junior middle school english according to claim 1, characterized in that a rubber layer is laid on the bottom of the case.
7. The multifunctional teaching aid for junior middle school english according to claim 1, characterized in that the case lid is hinged along one side edge thereof with a display board, the display board is filled with an iron plate, and a magnet block matched with the iron plate is attached to the surface of the display board.
8. The multifunctional teaching aid for junior middle school english according to claim 7, characterized in that the side wall of the case lid that is attached to the display board is connected with an elastic band.
9. The multifunctional teaching aid for junior middle school english according to claim 8, characterized in that the opposite sides of the display board are provided with sliding grooves, the sliding grooves are provided with sliding rails, the sliding rails are connected with auxiliary boards, and the side walls of the auxiliary boards facing the display area are provided with hooks.
10. The multifunctional teaching aid for junior middle school english according to claim 1, characterized in that the top of the case cover is provided with a handle, and the display board is provided with an opening matched with the handle.
CN202120828315.0U 2021-04-21 2021-04-21 Multi-functional teaching aid that junior middle school english was used Expired - Fee Related CN214705096U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120828315.0U CN214705096U (en) 2021-04-21 2021-04-21 Multi-functional teaching aid that junior middle school english was used

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120828315.0U CN214705096U (en) 2021-04-21 2021-04-21 Multi-functional teaching aid that junior middle school english was used

Publications (1)

Publication Number Publication Date
CN214705096U true CN214705096U (en) 2021-11-12

Family

ID=78532849

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120828315.0U Expired - Fee Related CN214705096U (en) 2021-04-21 2021-04-21 Multi-functional teaching aid that junior middle school english was used

Country Status (1)

Country Link
CN (1) CN214705096U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114582204A (en) * 2022-03-07 2022-06-03 南昌工学院 Display device is used to english specialty linguistics course

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114582204A (en) * 2022-03-07 2022-06-03 南昌工学院 Display device is used to english specialty linguistics course
CN114582204B (en) * 2022-03-07 2023-12-19 南昌工学院 Display device for English professional linguistic course

Similar Documents

Publication Publication Date Title
WO2012061915A1 (en) Articulatable structure in fractal form
CN214705096U (en) Multi-functional teaching aid that junior middle school english was used
CN211511147U (en) Portable folding chair
KR100924949B1 (en) Collection box for art-instrument
CN210574455U (en) Ancient poetry memorial auxiliary device
JP3130881U (en) Storage case for brochures
KR200461289Y1 (en) A portable reading partition combined with a file box
CN212815092U (en) Multifunctional teaching desk
US5154467A (en) Portable storage rack for containers
CN210520405U (en) Classroom desk convenient to classify and memory space is big
CN209064602U (en) A kind of teaching aid box easy to use easy to disassemble
CN209460975U (en) A kind of Multifunctional mathematics teaching teaching aid
US1839558A (en) Educational apparatus
CN207618208U (en) A kind of Portable teaching apparatus storage box
CN215501637U (en) Gravity experiment device for physics learning of high school students
CN215125047U (en) Multifunctional teaching aid bag for teaching
CN217644787U (en) Multifunctional experiment table
CN212036613U (en) Desk for students in classroom
CN210960814U (en) High school student uses knapsack convenient to data is categorised
CN2285922Y (en) Double side magnetic teaching aid case
CN215873913U (en) High school student learns to accomodate storage device with examination paper classification
CN214475594U (en) Teaching demonstration device
CN212990409U (en) Preschool education specialty is with teaching show board
CN221341663U (en) Building block storage box
CN216128053U (en) Two-sided foldable teaching aid that international economy and trade teaching were used

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211112

CF01 Termination of patent right due to non-payment of annual fee