Teaching whiteboard convenient to adjust
Technical Field
The utility model relates to the technical field of teaching whiteboards, in particular to a teaching whiteboard convenient to adjust.
Background
In Japanese teaching, teaching workers can use the display board to teach for students except for tools such as a blackboard and multimedia fixed on a wall, and a placing board is arranged below the display board main body and used for placing writing tools such as a blackboard eraser and a whiteboard pen.
Through searching, the utility model patent with the Chinese application number of CN202020118943.5 discloses a Japanese teaching display board, which comprises a display board main body, wherein side support columns are arranged on two sides of the display board main body, the display board main body is movably installed with the side support columns through a connection adjusting device, a bottom transverse connecting rod is arranged at the lower position between the side support columns, universal wheels are arranged at the bottoms of the side support columns, a group of side support columns positioned on the left side is provided with a placement box at the upper position of the bottom transverse connecting rod, and a group of side support columns positioned on the right side is provided with a side opening groove at the upper position of the bottom transverse connecting rod.
When japanese teaches, the mr can write the content that will explain before the class on the show board, and its show board's quantity is one, and at the in-process mr of japanese teaching can explain a plurality of knowledge points, when every section lesson needs the knowledge point of explanation more, single show board is difficult to satisfy the demand, and frequent change content can influence teaching consistency, reduces classroom efficiency, and in addition, the height of its support column is fixed to the position of show board installation on the support column is also fixed, and it is inconvenient to adjust the height of show board according to the user demand.
Disclosure of utility model
(One) solving the technical problems
Aiming at the problems in the prior art, the utility model provides a teaching whiteboard convenient to adjust, so as to solve the technical problems that in the background art, when the number of knowledge points required to be explained is large in each lesson, a single display board is difficult to meet the requirements, the teaching consistency is influenced by frequent replacement, and the classroom efficiency is reduced.
(II) technical scheme
In order to achieve the purpose, the teaching whiteboard convenient to adjust comprises a base, wherein the top end of the base is connected with a containing box through an adjusting mechanism, a plurality of containing grooves are uniformly formed in the top end of the containing box, a fixing frame is inserted into the containing box, the teaching whiteboard is installed in the fixing frame, the side ends of the containing box are in threaded connection with first screws at positions corresponding to the containing grooves, the adjusting mechanism comprises two vertical plates, two adjusting grooves are formed in the bottom end of the containing box, the two vertical plates are respectively inserted into the two adjusting grooves, the two vertical plates are respectively connected with the base in a rotating mode, a plurality of first clamping grooves are uniformly formed in the side ends of the vertical plates, a plurality of second screws matched with the first clamping grooves are in threaded connection with the side ends of the containing box, more knowledge points are convenient to write on the plurality of teaching whiteboard, when the corresponding knowledge points are needed, the corresponding teaching whiteboard is only needed to be pulled to the outside of the containing box, the teaching whiteboard is needed to be replaced, the classroom is avoided, the classroom is more time is avoided, and the classroom is not required to be frequently replaced.
The utility model is further characterized in that the top end of the base is fixedly connected with two fixing plates, the two fixing plates are respectively and rotatably connected with rotating shafts, and the two rotating shafts are respectively and fixedly connected with two vertical plates, so that the angles of the storage box and the teaching whiteboard can be conveniently adjusted.
The utility model is further characterized in that the side end of one rotating shaft is fixedly connected with a round seat, a plurality of second clamping grooves are uniformly formed in the outer portion of the round seat, the bottom end of the base is fixedly connected with a fixed seat, clamping columns matched with the second clamping grooves are arranged on the fixed seat in a sliding mode, a fixing ring is fixedly connected to the outer portion of each clamping column and located on the upper side of the fixed seat, and a compression spring is arranged between each fixing ring and the corresponding fixed seat, so that the round seat and the vertical plate can be fixed conveniently.
The utility model further provides that the compression spring is sleeved outside the clamping column, so that the compression spring can play a limiting role.
The utility model is further arranged that the bottom end of the clamping column is fixedly connected with the pedal, and the pedal is stepped on by the foot, so that the clamping column can conveniently move downwards.
The utility model is further provided with the handles fixedly connected with the top ends of the fixing frames, so that the fixing frames and the teaching white board can be conveniently pulled out from the storage groove.
The utility model is further provided that universal wheels with self-locking function are arranged at four corners of the bottom end of the base, so that the universal wheels can be conveniently moved.
The utility model is further characterized in that the front end of the storage box is fixedly connected with the placement seat, and the placement seat is provided with the placement groove, so that tools such as blackboard eraser, pen and the like can be stored conveniently.
(III) beneficial effects
Compared with the prior art, the utility model provides the teaching whiteboard convenient to adjust, which has the following beneficial effects:
1. The teacher can write the knowledge points on a plurality of teaching whiteboards respectively before class, when corresponding knowledge points need to be displayed, only the corresponding teaching whiteboards need to be pulled to the outside of the storage box, so that frequent content replacement of the teacher in teaching is avoided, more time in the class is avoided, and class efficiency can be guaranteed.
2. Through setting up fixed plate, pivot and riser, be convenient for rotate the riser, the riser drives containing box, fixed frame and teaching whiteboard and rotates, is convenient for adjust the angle of teaching whiteboard, and simultaneously through the riser in the inside slip of adjustment tank, be convenient for adjust the height of containing box and teaching whiteboard, make teaching whiteboard adapt to different height student's demand, promote teaching interactivity.
3. Through the screw-down second screw, make second screw insert the inside of corresponding first draw-in groove on the riser, can guarantee the steadiness that riser and containing box are connected, promote solid fixed ring and draw-in column through compression spring and upwards move, make the draw-in column insert the inside to corresponding second draw-in groove, be convenient for fix circle seat, pivot, riser and containing box, guarantee its stability in the use.
Drawings
FIG. 1 is a schematic diagram of a front face structure of a teaching whiteboard which is convenient to adjust;
FIG. 2 is a schematic diagram of the connection between the fixing frame and the teaching whiteboard;
FIG. 3 is a schematic view of the structure of the fixing plate, the vertical plate and the rotating shaft in the utility model;
FIG. 4 is a schematic view of the structure of the present utility model with the fixing base, circular base, compression spring, pedal and clamping post engaged;
Fig. 5 is a schematic structural view of the storage box in the present utility model.
In the figure, 1, a base; 2, a storage box, 3, a storage groove, 4, a fixed frame, 5, a teaching whiteboard, 6, a first screw, 7, a vertical plate, 8, an adjusting groove, 9, a first clamping groove, 10, a second screw, 11, a fixed plate, 12, a rotating shaft, 13, a round seat, 14, a second clamping groove, 15, a fixed seat, 16, a clamping column, 17, a fixed ring, 18, a compression spring, 19, a pedal, 20, a lifting handle, 21, a universal wheel, 22, a placing seat, 23 and a placing groove.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally in the directions shown in the drawings or in the vertical, vertical or gravitational directions, and similarly, for convenience of understanding and description, the terms "left" and "right" are used generally in the directions shown in the drawings, and the terms "inner" and "outer" are used to refer to the inner and outer sides with respect to the outline of each component itself, but the terms of orientation are not intended to limit the present utility model.
Please see fig. 1-5, a teaching whiteboard convenient to adjust, the on-line screen storage device comprises a base 1, universal wheels 21 with self-locking function are all installed in the bottom four corners position of base 1, be convenient for remove it, the top of base 1 is connected with containing box 2 through adjustment mechanism, the front end fixedly connected with placing seat 22 of containing box 2, be provided with standing groove 23 on the placing seat 22, be convenient for deposit tools such as blackboard sashes and pens, the top of containing box 2 evenly is provided with a plurality of containing grooves 3, the inside of containing groove 3 has inserted fixed frame 4, the internally mounted of fixed frame 4 has teaching whiteboard 5, the equal fixedly connected with carrying handle 20 in top of a plurality of fixed frames 4, be convenient for take out the inside of fixed frame 4 and teaching whiteboard 5 from containing groove 3, the side of containing box 2 and the equal threaded connection of a plurality of containing grooves 3 have first screw 6, make the side of first screw 6 tightly support with the side of fixed frame 4, be convenient for carry out the fixation to fixed frame 4 and teaching whiteboard 5, adjustment mechanism includes two risers 7, the bottom of two containing boxes 7 are provided with two sets of 7, the inside of two vertical boxes 7 are connected with 10, the inside of two vertical boxes 10 are connected with the corresponding to the vertical slots 9, the inside of two vertical boxes 10, the two vertical boxes are connected with the vertical boxes 10, the inside is connected with the vertical slots 10, the two vertical boxes are connected with the corresponding vertical slots, the two vertical boxes are connected with the vertical boxes 9, the two vertical boxes are connected with the vertical boxes are respectively, the two vertical boxes are connected with the vertical boxes and 10, the two vertical boxes are connected with the vertical boxes and 10, and 10 are respectively.
Specifically, the mr can write knowledge points on a plurality of teaching whiteboards 5 respectively before the lesson, then put fixed frame 4 and teaching whiteboards 5 in the inside of corresponding storage tank 3, be convenient for accomodate and preserve teaching whiteboards 5, avoid the word on the teaching whiteboards 5 to be wiped off, when need demonstrate corresponding knowledge points, only need corresponding teaching whiteboards 5 draw to the outside of containing box 2 can, avoided the mr frequently to change content teaching continuity on the classroom, avoid delaying the more time of classroom, can guarantee classroom efficiency, slide in adjusting the inside of groove 8 through riser 7, be convenient for adjust the height of containing box 2 and teaching whiteboards 5, make teaching whiteboards 5 adapt to different height student's demand, promote teaching interactivity.
Referring to fig. 1, 3 and 4, the top end of the base 1 is fixedly connected with two fixing plates 11, the two fixing plates 11 are respectively and rotatably connected with a rotating shaft 12, the two rotating shafts 12 are respectively and fixedly connected with two vertical plates 7, the angle of the storage box 2 and the teaching whiteboard 5 is convenient to adjust, the side end of one rotating shaft 12 is fixedly connected with a round seat 13, a plurality of second clamping grooves 14 are uniformly formed in the outer portion of the round seat 13, the bottom end of the base 1 is fixedly connected with a fixing seat 15, clamping columns 16 matched with the second clamping grooves 14 are slidably arranged on the fixing seat 15, the outer portion of the clamping columns 16 is located on the upper side of the fixing seat 15 and fixedly connected with a fixing ring 17, a compression spring 18 is arranged between the fixing ring 17 and the fixing seat 15, the round seat 13 and the vertical plates 7 are convenient to fix, the compression spring 18 is sleeved on the outer portion of the clamping columns 16, the compression spring 18 is convenient to play a limiting role, the bottom end of the clamping columns 16 is fixedly connected with a pedal 19, feet are stepped on the pedal 19, and the clamping columns 16 are convenient to move downwards.
Specifically, pedal on pedal 19, pedal 19 drives card post 16 to move down, make card post 16 and second draw-in groove 14 separation, through setting up fixed plate 11, pivot 12 and riser 7, be convenient for rotate riser 7, riser 7 drives containing box 2, fixed frame 4 and teaching whiteboard 5 and rotate, be convenient for adjust the angle of teaching whiteboard 5, remove the foot from pedal 19, promote solid fixed ring 17 and card post 16 through compression spring 18 and upwards remove, make card post 16 insert the inside of corresponding second draw-in groove 14, be convenient for fix circular seat 13, pivot 12, riser 7 and containing box 2, guarantee its stability in the use.
In summary, the whole device is in use:
Before a teacher makes a lesson, knowledge points can be written on a plurality of teaching whiteboards 5 respectively, then a fixing frame 4 and the teaching whiteboards 5 are placed in corresponding containing grooves 3, then first screws 6 are screwed to fix the fixing frame 4 and the teaching whiteboards 5, then the teaching whiteboards are pushed to proper positions in classrooms, then universal wheels 21 are locked, then the corresponding first screws 6 are screwed, then the corresponding fixing frame 4 and the teaching whiteboards 5 are pulled to move upwards, the teaching whiteboards 5 are moved to the upper side of the containing box 2, at the moment, the fixing frame 4 is still positioned in the containing grooves 3, then the first screws 6 are screwed to fix the fixing frame 4 and the teaching whiteboards 5, when the height of the teaching whiteboards 5 are required to be adjusted, second screws 10 are screwed to separate the second screws 10 from the first clamping grooves 9, then through riser 7 with proper height when adjusting groove 8's inside slip with containing box 2, fixed frame 4 and teaching whiteboard 5, then screw down second screw 10, and make second screw 10 insert to the inside of corresponding first draw-in groove 9, make riser 7 and containing box 2 firm link together, when need adjust the angle of teaching whiteboard 5, will pedal on pedal 19, pedal 19 drives card post 16 and moves down, make card post 16 and second draw-in groove 14 separation, then rotate riser 7, containing box 2, fixed frame 4 and teaching whiteboard 5, rotate to suitable angle with teaching whiteboard 5, then remove the foot from pedal 19, promote solid fixed ring 17 and card post 16 upwards to remove through compression spring 18, make card post 16 insert to the inside of corresponding second draw-in groove 14, fix circle seat 13, pivot 12, riser 7 and containing box 2.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.