CN210300234U

CN210300234U - Double-screen platform for college English teaching

Info

Publication number: CN210300234U
Application number: CN201920276967.0U
Authority: CN
Inventors: 兰晶
Original assignee: Lushan College of Guangxi University of Science and Technology
Current assignee: Lushan College of Guangxi University of Science and Technology
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-04-14
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a double screen podium is used in college english teaching, including two stands, two be equipped with the oscilaltion blackboard between the lateral wall of stand, two the mounting groove has all been seted up to the lateral wall that the stand is close to the oscilaltion blackboard, and the diapire fixedly connected with servo motor of one of them mounting groove, another the diapire of mounting groove is rotated through the pivot and is connected with the ball that matches with servo motor's output shaft, the cover is equipped with the sliding block rather than matcing on the ball, two be equipped with the stopper mechanism who matches with the sliding block between the diapire of mounting groove, the lower extreme lateral wall fixedly connected with mount pad of sliding block, the groove has been seted up to accomodate by the lateral wall that the mount. The utility model discloses utilize servo motor, ball, mount pad, live-rollers and hard sponge to wipe the content on the blackboard automatically, alleviateed mr's burden to the time of giving lessons of saving.

Description

Double-screen platform for college English teaching

Technical Field

The utility model relates to a teaching aid technical field especially relates to a double screen podium is used in college english teaching.

Background

College english is the more important part in the english study to corresponding four six grades of exams have still been seted up, and the student of english specialty requires more to the study of college english moreover, in order to ensure to satisfy the demand in the society, when carrying out college english teaching, generally uses the oscilaltion blackboard to write, convenient and fast, and the content of writing is also more.

When using the oscilaltion blackboard to carry out english teaching, the mr still needs the content of writing on the manual blackboard of erasing, and time of not only wasting on class like this also brings extra teaching burden for the mr, reduces the teaching quality, for this reason, we propose a college english teaching and use two screen podium to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the teacher manually erases the content of writing on the oscilaltion blackboard and not only wastes the time of giving lessons, brings extra teaching burden moreover, reduces the problem of teaching quality, and the english teaching of a university uses double-screen podium provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a college english teaching is with two screen podium, includes two stands, two be equipped with the oscilaltion blackboard between the lateral wall of stand, two the stand is close to the lateral wall of oscilaltion blackboard and has all seted up the mounting groove, the diapire fixedly connected with servo motor of one of them mounting groove, another the diapire of mounting groove rotates through the pivot and is connected with the ball that matches with servo motor's output shaft, the cover is equipped with the sliding block rather than matching on the ball, two be equipped with the stopper mechanism who matches with the sliding block between the diapire of mounting groove, the lower extreme lateral wall fixedly connected with mount pad of sliding block, the mount pad has been seted up near the lateral wall of oscilaltion blackboard and has been accomodate the groove, the both sides lateral wall of accomodating the groove all is connected with the live.

Preferably, the limiting mechanism comprises a limiting rod and two limiting rods fixedly connected with the bottom walls of the mounting grooves, limiting blocks are sleeved on the limiting rods in a sliding mode, fixing rods are fixedly connected with the lower ends of the limiting blocks, and one ends of the limiting blocks and the upper end side walls of the sliding blocks are fixedly connected with the fixing rods.

Preferably, the elastic mechanism comprises a groove, the side walls of the two sides of the accommodating groove are provided with grooves, a sliding rod is fixedly connected between the side walls of the two sides of the groove, a sliding block is sleeved on the sliding rod and fixedly connected with the side walls of the groove through springs, a connecting rod is fixedly connected with the side wall of the sliding block, and a rotating roller is rotatably connected between the side walls of the connecting rod through a rotating shaft.

Preferably, the lower end side wall of the accommodating groove is provided with a horn hole, and the lower end side wall of the mounting seat is provided with a collecting box matched with the horn hole.

Preferably, a dust cover is arranged on the servo motor.

Preferably, the rotating roller and the hard sponge penetrate through the opening of the accommodating groove, and the hard sponge is abutted against the side wall of the up-down lifting blackboard.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the servo motor is utilized to drive the ball screw to rotate, so that the sliding block and the mounting seat move, the rotating roller and the hard sponge on the mounting seat can erase the written contents on the blackboard above the up-down lifting blackboard during moving, and the chalk dust is rotated into the accommodating groove through rotation, so that the burden of a teacher is relieved, the teaching time of the teacher is prolonged, and the injury of the chalk dust to the teacher is reduced;

2. utilize slider, slide bar and spring and connecting rod to connect rotatable live-rollers and hard sponge, can make hard sponge and oscilaltion blackboard tightly support together like this, guarantee the clean of erasing, in addition, utilize the horn hole and collect the box and can collect the chalk dust of erasing, avoid the chalk dust to fly apart, cause the injury to the human body, also conveniently collect the processing.

Drawings

Fig. 1 is a schematic structural view of a double-screen platform for college english teaching according to the present invention;

FIG. 2 is a schematic structural view of the mounting base;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

fig. 4 is a schematic view of the mechanism at B in fig. 2.

In the figure: the blackboard comprises a vertical column 1, a lifting blackboard 2, a servo motor 3, a ball screw 4, a sliding block 5, a limiting mechanism 6, a limiting rod 601, a limiting block 602, a fixed rod 603, a mounting seat 7, an elastic mechanism 8, a sliding rod 801, a sliding block 802, a connecting rod 803, a spring 804, a rotating roller 9, hard sponge 10 and a collecting box 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a double-screen platform for college english teaching comprises two upright posts 1, an up-down lifting blackboard 2 is arranged between the side walls of the two upright posts 1, mounting grooves are arranged on the side walls of the two upright posts 1 close to the up-down lifting blackboard 2, a servo motor 3 is fixedly connected with the bottom wall of one mounting groove, a dust cover is arranged on the servo motor 3, the dust cover can prevent chalk dust from entering the servo motor 3 and ensure the normal work of the servo motor, a ball screw 4 matched with the output shaft of the servo motor 3 is rotatably connected with the bottom wall of the other mounting groove through a rotating shaft, a sliding block 5 matched with the ball screw 4 is sleeved on the ball screw 4, a limiting mechanism 6 matched with the sliding block 5 is arranged between the bottom walls of the two mounting grooves, the limiting mechanism 6 comprises a limiting rod 601, a limiting rod 601 is fixedly connected between the bottom, the lower end of the limiting block 602 is fixedly connected with a fixing rod 603, one end of the fixing rod 603, which is far away from the limiting block 602, is fixedly connected with the side wall of the upper end of the sliding block 5, and the sliding block 5 cannot rotate along the ball screw 4 but transversely moves along the ball screw 4 through the limitation of the limiting rod 601 and the limiting block 602;

the side wall of the lower end of the sliding block 5 is fixedly connected with a mounting seat 7, the side wall of the mounting seat 7, which is close to the up-down lifting blackboard 2, is provided with an accommodating groove, the side wall of the lower end of the accommodating groove is provided with a horn hole, the side wall of the lower end of the mounting seat 7 is provided with a collecting box 11 matched with the horn hole, chalk dust entering the accommodating groove along with the hard sponge 10 can enter the accommodating box through the horn hole when falling, the collection is convenient, the chalk dust is prevented from influencing the health of teachers and students, the side walls of the two sides of the accommodating groove are both connected with rotating rollers 9 through elastic mechanisms 8, each elastic mechanism 8 comprises a groove, the side walls of the two sides of the accommodating groove are both provided with grooves, and;

the cover is equipped with slider 802 on the slide bar 801, slider 802 passes through the lateral wall fixed connection of spring and recess, the lateral wall fixedly connected with connecting rod 803 of slider 802, thereby it makes slider 802 remove to offset with the lateral wall of oscilaltion blackboard 2 through hard sponge 10, and then compression spring, the rebound force effect that makes the spring like this can make hard sponge 10 tightly support the lateral wall of oscilaltion blackboard 2, guarantee the cleanness of erasing, it is connected with live-rollers 9 to rotate through the pivot between the lateral wall of two connecting rods 803, live-rollers 9's lateral wall parcel has hard sponge 10, live-rollers 9 and hard sponge 10 all run through the opening of accomodating the groove, hard sponge 10 offsets with the lateral wall of oscilaltion blackboard 2.

When the up-and-down blackboard 2 is used for teaching, the blackboard needing to write contents is pulled down, when the contents on the upper blackboard need to be erased, the servo motor 3 is opened, the servo motor 3 drives the ball screw to rotate, under the limitation of the limiting rod 601 and the limiting block 602, the sliding block 5 slides along the ball screw 4, the sliding block 5 drives the mounting seat 7 and the rotating roller 9 to move, the rotating roller 9 and the hard sponge 10 start to rotate under the friction force of the side wall of the up-and-down blackboard 2 when moving, simultaneously, the hard sponge 10 and the up-and-down blackboard 2 drive the sliding block 802 to move and compress the spring when offsetting, the rebound force of the spring can enable the hard sponge 10 to tightly abut against the up-and-down blackboard 2, the contents on the up-and-down blackboard 2 are ensured to be erased completely, thus, the burden of teachers is lightened, the teaching time is saved, and chalk dust can enter the storage box through the storage groove and the, the scattering of the dust can be avoided to influence the physical health of teachers and students.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The double-screen platform for college English teaching comprises two stand columns (1) and is characterized in that a vertically lifting blackboard (2) is arranged between the side walls of the two stand columns (1), mounting grooves are formed in the side walls, close to the vertically lifting blackboard (2), of the two stand columns (1), a servo motor (3) is fixedly connected to the bottom wall of one mounting groove, the bottom wall of the other mounting groove is rotatably connected with a ball screw (4) matched with an output shaft of the servo motor (3) through a rotating shaft, a sliding block (5) matched with the ball screw is sleeved on the ball screw (4), a limiting mechanism (6) matched with the sliding block (5) is arranged between the bottom walls of the two mounting grooves, a mounting seat (7) is fixedly connected to the side wall of the lower end of the sliding block (5), and a containing groove is formed in the side wall, close to the vertically lifting blackboard (2), of the, the lateral wall of both sides of accomodating the groove all is connected with live-rollers (9) through elastic mechanism (8), the lateral wall parcel of live-rollers (9) has hard sponge (10).

2. The double-screen podium for college english teaching of claim 1, characterized in that, the stopper mechanism (6) includes a limiting rod (601), the limiting rod (601) is fixedly connected between the bottom walls of two of the mounting grooves, a limiting block (602) is slidably sleeved on the limiting rod (601), a fixing rod (603) is fixedly connected to the lower end of the limiting block (602), and one end of the fixing rod (603) far away from the limiting block (602) is fixedly connected to the upper end side wall of the sliding block (5).

3. The double-screen podium for college english teaching of claim 1, characterized in that, elastic mechanism (8) includes the recess, the both sides lateral wall of receiving the groove is seted up flutedly, slide bar (801) is fixedly connected with between the both sides lateral wall of recess, the cover is equipped with slider (802) on slide bar (801), and slider (802) pass through spring (804) and the lateral wall fixed connection of recess, the lateral wall fixed connection of slider (802) has connecting rod (803), and two the rotating roller (9) is connected through the pivot rotation between the lateral wall of connecting rod (803).

4. The double-screen podium for college english teaching of claim 1, characterized in that, the lower end lateral wall of the accepting groove is opened with a trumpet hole, and the lower end lateral wall of the mounting seat (7) is provided with a collecting box (11) matching with the trumpet hole.

5. The double-screen podium for college english teaching according to claim 1, characterized in that the servo motor (3) is provided with a dust cover.

6. The double-screen podium for college english teaching of claim 1, characterized in that, the rotating roller (9) and the hard sponge (10) both pass through the opening of the storage slot, and the hard sponge (10) is against the side wall of the up-down blackboard (2).