CN215814588U

CN215814588U - Electronic teaching board

Info

Publication number: CN215814588U
Application number: CN202122414898.5U
Authority: CN
Inventors: 权巧丽; 刘彦青; 陈新; 郑晓莉; 崔彦飞
Original assignee: Weinan Normal University
Current assignee: Weinan Normal University
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-02-11
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to the technical field of teaching equipment, in particular to an electronic teaching board which comprises an electronic blackboard. In the utility model, the writing mechanisms are arranged at the two ends of the electronic blackboard, and the electronic blackboard is used for conveniently displaying English teaching materials, thereby facilitating English teaching of teachers, facilitating the use of the writing board by pulling the writing board to move to a proper position and then engaging the rack plate with the gear, so that the writing board drives the gear to rotate when moving, and then the rotating rod, the belt wheel II, the belt wheel I, the screw rod and the spiral ring are matched for use, thereby enabling the rectangular frame, the second rotating seat and the push rod to move, and utilizing the moving push rod to push the fixed block, thereby enabling the self-locking universal wheel at the corresponding position to move, and then improved the stability when this electron teaching board uses, avoided the teacher to topple over backward when writing on the clipboard this electron teaching board, improved the result of use of this electron teaching board.

Description

Electronic teaching board

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to an electronic teaching board.

Background

The electronic blackboard adopts reliable and stable infrared induction location technique, LCD screen technique and computer technology in an organic whole, it has integrateed the projector, electronic whiteboard, the LCD TV, a great deal of office equipment functions such as computer, including special software of writing, it is more convenient to make information processing, the demonstration is more lively, thereby the teacher of being more convenient for imparts knowledge to students, and when english teacher teaches, often need extend the inside of imparting knowledge to students on the electronic blackboard, at this moment just need write the teaching content to the teacher manually, and write on electronic blackboard and shelter from the teaching content easily, it is inconvenient to use, and some current electronic blackboards all are movable, but stability when current movable electronic blackboards used is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the electronic blackboard is inconvenient to write and has poor stability when used, the electronic teaching board is provided.

The purpose of the utility model can be realized by the following technical scheme:

an electronic teaching board comprises an electronic blackboard, wherein both ends of the electronic blackboard are provided with writing mechanisms, each writing mechanism comprises a writing board, the top of the writing board is fixedly connected with a limiting plate, the bottom of the limiting plate is contacted with the top of the electronic blackboard, the bottom of the writing board is fixedly connected with a rectangular shell, the top of the rectangular shell is contacted with the bottom of the electronic blackboard, one end of the bottom of the rectangular shell is fixedly connected with a fixed shell, both ends of the bottom of the fixed shell are fixedly connected with telescopic plates, one end of each telescopic plate is fixedly connected with a fixed block, the bottom of each fixed block is fixedly connected with a self-locking universal wheel, when the electronic teaching board is used, the electronic teaching board is convenient to move to a proper position by using the self-locking universal wheels, English teaching materials are convenient to display by using the electronic blackboard, and teachers can conveniently carry out English teaching and move to the proper position by pulling the writing boards, thereby facilitating use of the writing board.

Further, the width of the writing board is the same as that of the electronic blackboard, and the length of the writing board is the same as one half of that of the electronic blackboard.

Further, the middle positions at the two ends of the top of the electronic blackboard are fixedly connected with limit blocks, limit grooves are formed in the bottoms of the limit plates, the limit blocks are connected with the limit grooves in the corresponding positions in a sliding mode, and the limit blocks are limited by the limit grooves.

The fixed shell is characterized in that a rectangular frame is slidably connected to the outer side of the fixed shell, two sides of the rectangular frame are fixedly connected with a second rotating seat, the inside of the second rotating seat is rotatably connected with a first pushing rod, the outer side of one end of the first pushing rod is rotatably connected with a first rotating seat, and the bottom of the first rotating seat is fixedly connected with the top of a fixed block corresponding to a position.

The bottom of the rectangular shell is provided with a first rectangular hole corresponding to the position of the fixed shell, the middle position of the bottom surface in the rectangular shell is rotatably connected with a screw rod, and the top of the screw rod penetrates through the first rectangular hole to be rotatably connected with the inner top surface of the rectangular shell at the corresponding position.

Further, the two ends of the bottom of one side of the electronic blackboard are fixedly connected with rack plates, sliding through holes are formed in the positions, corresponding to the rack plates, of the tops of the rectangular shells, and the rack plates are connected with the sliding through holes in the corresponding positions in a sliding mode.

Further lie in, the other end of rectangle shell inside rotates and is connected with the dwang, the top in the dwang outside is cup jointed and is fixed with the gear, and the gear meshes with the rack plate that corresponds position department, the bottom in the dwang outside is cup jointed and is fixed with band pulley two, the top of screw rod is cup jointed and is fixed with band pulley one, the transmission is connected with the belt between band pulley one and the band pulley two.

The screw rod is provided with a first rectangular hole and a second rectangular hole, the two sides of the fixed shell are provided with a screw ring, the outer side of the screw rod is connected with the screw ring in a screwing mode, the outer side of the screw ring is symmetrically and fixedly connected with two connecting blocks, and one end of each connecting block penetrates through the first rectangular hole at the corresponding position to be fixedly connected with the inner side wall of the rectangular frame.

The utility model has the beneficial effects that:

1. by arranging the writing mechanisms at the two ends of the electronic blackboard and utilizing the electronic blackboard to conveniently display English teaching materials, thereby facilitating English teaching of teachers, facilitating the use of the writing board by pulling the writing board to move to a proper position and then engaging the rack plate with the gear, so that the writing board drives the gear to rotate when moving, and then the rotating rod, the belt wheel II, the belt wheel I, the screw rod and the spiral ring are matched for use, thereby enabling the rectangular frame, the second rotating seat and the push rod to move, and utilizing the moving push rod to push the fixed block, thereby enabling the self-locking universal wheel at the corresponding position to move, and then improved the stability when this electron teaching board uses, avoided the teacher to topple over backward when writing on the clipboard this electron teaching board, improved the result of use of this electron teaching board.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the electronic blackboard according to the present invention;

FIG. 3 is a schematic view of the writing mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

fig. 6 is a schematic view showing the positional relationship between the electronic blackboard and the writing mechanism in the present invention.

In the figure: 100. an electronic blackboard; 110. a rack plate; 120. a limiting block; 200. a writing mechanism; 210. a writing board; 220. a limiting plate; 230. a rectangular shell; 231. a slide through hole; 232. a first rectangular hole; 240. a stationary case; 241. a second rectangular hole; 242. a retractable plate; 250. a screw; 251. a first belt wheel; 260. a push rod; 261. rotating the first base; 262. a fixed block; 263. a self-locking universal wheel; 270. rotating the rod; 271. a gear; 280. a belt; 290. a rectangular frame; 291. a second rotating seat; 292. connecting blocks; 293. and (4) a spiro ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an electronic teaching board includes an electronic blackboard 100, two ends of the electronic blackboard 100 are respectively provided with a writing mechanism 200, the writing mechanism 200 includes a writing board 210, a top of the writing board 210 is fixedly connected with a limiting board 220, a bottom of the limiting board 220 is in contact with a top of the electronic blackboard 100, a bottom of the writing board 210 is fixedly connected with a rectangular shell 230, a top of the rectangular shell 230 is in contact with a bottom of the electronic blackboard 100, one end of the bottom of the rectangular shell 230 is fixedly connected with a fixed shell 240, two ends of the bottom of the fixed shell 240 are respectively fixedly connected with a retractable board 242, one end of the retractable board 242 is fixedly connected with a fixed block 262, a bottom of the fixed block 262 is fixedly connected with a self-locking universal wheel 263, during use, the electronic teaching board is convenient to move to a proper position by using the self-locking universal wheel 263, and English teaching materials are convenient to be displayed by using the electronic blackboard 100, so that a teacher can conveniently perform English teaching, and by pulling the tablet 210, the tablet 210 is moved to a proper position, thereby facilitating the use of the tablet 210.

The width of the writing board 210 is the same as the width of the electronic blackboard 100, the length of the writing board 210 is the same as one half of the length of the electronic blackboard 100, the middle positions of the two ends of the top of the electronic blackboard 100 are fixedly connected with the limit blocks 120, the bottom of the limit plates 220 is provided with limit grooves, the limit blocks 120 are in sliding connection with the limit grooves at the corresponding positions, the limit plates 220 are limited by the limit blocks 120 and the limit grooves, the outer side of the fixed shell 240 is in sliding connection with the rectangular frame 290, the two sides of the rectangular frame 290 are fixedly connected with the rotating seats 291, the inner parts of the rotating seats 291 are in rotating connection with the push rod 260, the outer side of one end of the push rod 260 is in rotating connection with the rotating seat 261, the bottom of the rotating seat 261 is fixedly connected with the top of the fixed block 262 at the corresponding position, the position of the bottom of the rectangular shell 230, which corresponds to the fixed shell 240, the rectangular hole 232 is provided at the middle position of the inner bottom of the rectangular shell 230, and the top of the screw 250 passes through the first rectangular hole 232 to be rotatably connected with the inner top surface of the rectangular shell 230 at the corresponding position.

The two ends of the bottom of one side of the electronic blackboard 100 are fixedly connected with the rack plates 110, the top of the rectangular shell 230 is provided with a sliding through hole 231 corresponding to the rack plate 110, and the rack plate 110 is slidably connected with the sliding through hole 231 at the corresponding position, the other end inside the rectangular shell 230 is rotatably connected with a rotating rod 270, the top of the outer side of the rotating rod 270 is fixedly sleeved with a gear 271, the gear 271 is engaged with the rack plate 110 at the corresponding position, the bottom of the outer side of the rotating rod 270 is fixedly sleeved with the second belt wheel, the top of the screw 250 is fixedly sleeved with the first belt wheel 251, the belt 280 is in transmission connection between the first belt wheel 251 and the second belt wheel, the bottom of the two sides of the fixed shell 240 is provided with the second rectangular hole 241, the outer side of the screw 250 is spirally connected with the spiral ring 293, the outer side of the spiral ring 293 is symmetrically and fixedly connected with two connecting blocks 292, and one end of each connecting block 292 penetrates through the second rectangular hole 241 at the corresponding position to be fixedly connected with the inner side wall of the rectangular frame 290.

The working principle is as follows: when the electronic teaching board is used, the self-locking universal wheel 263 is used for facilitating the electronic teaching board to move to a proper position, the electronic blackboard 100 is used for facilitating English teaching, when the writing board 210 is needed to be used, the writing board 210 needed to be used is pulled to move to the proper position for facilitating the use of the writing board 210, the writing board 210 moves to drive the rectangular shell 230 to move, the gear 271 moves, the gear 271 is meshed with the rack plate 110, the movable gear 271 rotates, the gear 271 and the rotating rod 270 rotate, the rotating rod 270 rotates to drive the second belt wheel to rotate, the belt 280 is used for driving the first belt wheel 251 and the screw rod 250 to rotate, the spiral ring 293 screwed with the screw rod 250 moves downwards, and the spiral ring 293 moves downwards to drive the connecting block 292 and the rectangular frame 290 to move downwards, thereby make the one end of rotating seat two 291 and catch bar 260 remove downwards, and utilize expansion plate 242 to carry on spacingly to fixed block 262, make the other end of catch bar 260 promote fixed block 262 and remove, thereby make corresponding position department auto-lock universal wheel 263 remove, and then improved the stability when this electron teaching board uses, this electron teaching board emptys backward when avoiding the teacher to write on clipboard 210, improved the result of use of this electron teaching board.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the utility model to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides an electronic teaching board, includes blackboard (100), its characterized in that, the both ends of blackboard (100) all are provided with writes mechanism (200), it includes clipboard (210) to write mechanism (200), the top of clipboard (210) has linked firmly limiting plate (220), and the top contact of limiting plate (220) bottom and blackboard (100), the bottom of clipboard (210) has linked firmly rectangular shell (230), and the bottom contact of rectangular shell (230) top and blackboard (100), the one end of rectangular shell (230) bottom has linked firmly set casing (240), the both ends of set casing (240) bottom have all linked firmly expansion plate (242), the one end of expansion plate (242) has linked firmly fixed block (262), the bottom of fixed block (262) has linked firmly auto-lock universal wheel (263).

2. An electronic teaching board according to claim 1, wherein the width of the writing board (210) is the same as the width of the electronic blackboard (100), and the length of the writing board (210) is the same as one-half of the length of the electronic blackboard (100).

3. The electronic teaching board according to claim 1, wherein the middle positions of the two ends of the top of the electronic blackboard (100) are fixedly connected with limit blocks (120), the bottom of each limit plate (220) is provided with a limit groove, and each limit block (120) is slidably connected with the corresponding limit groove.

4. The electronic teaching board according to claim 1, wherein a rectangular frame (290) is slidably connected to the outer side of the fixed casing (240), two rotating seats (291) are fixedly connected to both sides of the rectangular frame (290), a push rod (260) is rotatably connected to the inner portion of the rotating seat two (291), a rotating seat one (261) is rotatably connected to the outer side of one end of the push rod (260), and the bottom of the rotating seat one (261) is fixedly connected to the top of the fixed block (262) at the corresponding position.

5. The electronic teaching board according to claim 1, wherein a first rectangular hole (232) is formed at the bottom of the rectangular shell (230) at a position corresponding to the fixed shell (240), a screw rod (250) is rotatably connected to a middle position of the inner bottom surface of the rectangular shell (230), and the top of the screw rod (250) passes through the first rectangular hole (232) and is rotatably connected to the inner top surface of the rectangular shell (230) at a corresponding position.

6. The electronic teaching board according to claim 1, wherein the rack plates (110) are fixedly connected to both ends of the bottom of one side of the electronic blackboard (100), the sliding through holes (231) are formed in the positions, corresponding to the rack plates (110), of the top of the rectangular shell (230), and the rack plates (110) are slidably connected with the sliding through holes (231) in the corresponding positions.

7. The electronic teaching board according to claim 5, wherein the other end inside the rectangular shell (230) is rotatably connected with a rotating rod (270), the top of the outer side of the rotating rod (270) is fixedly connected with a gear (271) in a sleeved mode, the gear (271) is meshed with a rack plate (110) at a corresponding position, the bottom of the outer side of the rotating rod (270) is fixedly connected with a second belt wheel in a sleeved mode, the top of the screw rod (250) is fixedly connected with a first belt wheel (251) in a sleeved mode, and a belt (280) is in transmission connection between the first belt wheel (251) and the second belt wheel.

8. The electronic teaching board according to claim 5, wherein the bottom of the two sides of the fixing housing (240) is provided with a second rectangular hole (241), the outer side of the screw (250) is screwed with a screw ring (293), the outer side of the screw ring (293) is symmetrically and fixedly connected with two connecting blocks (292), and one end of each connecting block (292) passes through the second rectangular hole (241) at the corresponding position to be fixedly connected with the inner side wall of the rectangular frame (290).