CN114953805B

CN114953805B - College english teaching is with multi-media equipment

Info

Publication number: CN114953805B
Application number: CN202210621612.7A
Authority: CN
Inventors: 邓婷; 李林; 吴国军
Original assignee: Jiangxi Normal University
Current assignee: Jiangxi Normal University
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2023-07-18
Anticipated expiration: 2042-06-02
Also published as: CN114953805A

Abstract

The invention relates to the technical field of teaching equipment, and discloses multimedia equipment for college English teaching, which comprises a case, wherein a driving rotating plate is rotatably connected above the case, a driven rotating plate is rotatably connected to the top surface of the driving rotating plate, and a vertical groove is formed in the driving rotating plate. According to the invention, the driving baffle rod and the driven baffle rod are respectively connected to the bottom surfaces of the driving rotating plate and the driven rotating plate, and the friction pad is arranged on the outer wall of the driven baffle rod, so that the driven rotating plate receives larger friction force during rotation, when the driving rotating plate is rotated rapidly, the elastic potential energy is stored through the buffer spring and then is converted into the rotation kinetic energy of the driven rotating plate slowly, so that hands are prevented from extending into the driven rotating plate to rotate books, the light reflected by the hands is prevented from affecting images displayed on a screen, the books are prevented from being unstable due to too fast rotation, the comfort of students watching videos is improved, and the stimulation to visual nerves of the students is reduced.

Description

College english teaching is with multi-media equipment

Technical Field

The invention relates to the technical field of teaching equipment, in particular to multimedia equipment for college English teaching.

Background

The multimedia device uses a digital video display table to project the written text, the teaching materials, the charts, the pictures, the real objects and the pictures written by teachers on a screen in real time. In the english teaching process, sometimes need put books or files on the screen through the video show stand for real-time lecture.

The video display table is also called a physical display table, and is a novel visual media device. The device is essentially image information acquisition equipment, converts sceneries on a display stand into video signals by using a camera, and then plays the video signals by using a television or a projector. When the method is used in teaching, the projection of the real object can be performed, and the appearance characteristics of the real object can be truly reproduced; the projection can also be performed on images, picture data, transparent projection films, slides, and the like; the writing on the paper can be directly projected to replace a blackboard, so that the blackboard is practical and convenient and is popular with teachers. Currently, in conditional schools, video display stands have become an integral medium in multimedia classrooms.

However, in the prior art, when books are placed on a physical display table, if the placement angle is inclined, the positions of the books are basically adjusted directly and manually, and because the manual adjustment is performed, the action range is larger, when a camera shoots synchronously, a messy image can appear on a display screen, when the shot light is opened, hands move under the light to reflect the light in different directions, so that a dazzling reflecting surface can appear on the image displayed on the screen, the visual nerve of a student is stimulated, the visual feeling of the student is influenced when the student watches the video image on the screen, the learning attention of the student is reduced, and when the books are turned over, the presentation of the image is also influenced by the hands.

Disclosure of Invention

Aiming at the defects of the prior college English teaching multimedia equipment in the use process, the invention provides the college English teaching multimedia equipment, which has the advantages of discarding the influence of overlarge action amplitude when a manual directly contacts with a book to rotate or turn pages so as to influence the visual perception of students, and solves the problems in the prior art.

The invention provides the following technical scheme: the utility model provides a university is multimedia equipment for english teaching, includes the quick-witted case, the top of machine case rotates and is connected with the initiative revolving stage, the top surface of initiative revolving stage rotates and is connected with the driven revolving stage, vertical groove has been seted up on the initiative revolving stage, be provided with initiative shelves pole and driven shelves pole on the bottom surface of initiative revolving stage respectively, initiative shelves pole and driven shelves pole extend to the quick-witted incasement, driven shelves pole is provided with the friction pad on the outer wall of quick-witted incasement, be connected with buffer spring between initiative shelves pole and the driven shelves pole, be provided with the page turning spout in the back plate of machine case, page turning spout sliding connection has page turning device, the middle part of driven revolving stage is provided with positioner.

Preferably, the number of the driving gear lever and the driven gear lever is two and distributed in a staggered way, the driving gear lever is fixedly connected to the driving rotating plate and is positioned in the vertical groove, and the buffer spring is sequentially connected between the driving gear lever and the driven gear lever.

Preferably, the page turning sliding groove comprises page turning sections, horizontal sections and reset sections, wherein the number of the horizontal sections is two and is respectively connected with two ends of the page turning sections, the horizontal sections are smoothly connected with the reset sections, and racks are arranged on the inner wall of the page turning sliding groove.

Preferably, the page turning device comprises a gear, a transmission is connected to a driving shaft of the gear, a negative pressure piece is connected to an output end of the transmission, the negative pressure piece is connected with an air pump, one end of the gear, far away from the transmission, is rotationally connected with a vertical sliding rail, a driving end of a transverse telescopic rod is slidingly connected to a side face of the vertical sliding rail, a fixing end of the transverse telescopic rod is mounted on the inner wall of the case, and the gear is meshed with the rack.

Preferably, when the negative pressure piece moves from one side of the page turning section to the other side, the negative pressure piece rotates by 90 degrees, a rotating motor is arranged between a pipeline of the negative pressure piece and the adsorption head, and the rotating motor is used for adjusting the initial direction of the adsorption head of the negative pressure piece.

Preferably, the positioning device comprises a moving block, a clamping groove, a groove and a grabbing bar, wherein the moving block is movably sleeved at the middle part of the case, the clamping block is connected to the side wall of the bottom end of the moving block, the clamping groove is formed in the inner wall of the case, the clamping block is connected with the clamping groove in a clamping mode, the top of the moving block is provided with the groove, the grabbing bar is arranged in the groove, and a space is reserved between the inner wall of the groove and the grabbing bar.

The invention has the following beneficial effects:

1. according to the invention, the driving baffle rod and the driven baffle rod are respectively connected to the bottom surfaces of the driving rotating plate and the driven rotating plate, and the friction pad is arranged on the outer wall of the driven baffle rod, so that the driven rotating plate receives larger friction force during rotation, when the driving rotating plate is rotated rapidly, the elastic potential energy is stored through the buffer spring and then is converted into the rotation kinetic energy of the driven rotating plate slowly, so that hands are prevented from extending into the driven rotating plate to rotate books, the light reflected by the hands is prevented from affecting images displayed on a screen, the books are prevented from being unstable due to too fast rotation, the comfort of students watching videos is improved, and the stimulation to visual nerves of the students is reduced.

2. According to the invention, the page turning chute is arranged on the rear plate of the case, and the page turning device capable of automatically moving is arranged in the page turning chute to turn pages of books, so that a mode that hands extend into the driven rotating plate to turn pages is abandoned, the hands are prevented from entering under the camera, the influence of the hands on images presented on the screen is further prevented, and the attention of students is ensured not to be dispersed.

3. According to the invention, the movable block is arranged on the driven rotating plate and is stabilized by the clamping of the clamping block and the clamping groove, when books with thicker binding line positions are required to be placed, the movable block is pressed downwards, the book binding positions are placed in the inner groove, the stability of the books is improved by utilizing the action of the edges of the inner groove on the books, and the books are prevented from tipping.

Drawings

FIG. 1 shows the present invention is a structural schematic diagram of (a);

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is an enlarged schematic view of FIG. 1 at B;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a partial top view of an active turret plate according to the present invention;

fig. 6 is a schematic side view of the present invention.

In the figure: 1. a chassis; 2. a driving rotating plate; 201. a driving gear lever; 202. a vertical groove; 3. a driven rotating plate; 301. a driven gear lever; 302. a friction pad; 4. a buffer spring; 5. turning over the page chute; 501. turning the page segment; 502. a horizontal section; 503. a reset section; 504. a rack; 6. a page turning device; 601. a gear; 602. a transmission; 603. a negative pressure member; 604. a vertical slide rail; 605. a transverse telescopic rod; 7. a positioning device; 701. a moving block; 702. a clamping block; 703. a clamping groove; 704. a groove; 705. and (5) grabbing the strip.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, a multimedia device for college english teaching includes a chassis 1, the chassis 1 includes a lower plate, side plates on two sides, a rear plate, and an upper plate above the side plates and the rear plate, a display screen is installed on the upper plate for teaching operation, a driving rotating plate 2 is rotatably connected on the lower plate of the chassis 1, a driven rotating plate 3 is rotatably connected above the driving rotating plate 2, a vertical groove 202 is formed on the driving rotating plate 2, a driven retaining rod 301 is fixedly connected on the bottom surface of the driven rotating plate 3, the driven retaining rod 301 penetrates through the vertical groove 202, a driving retaining rod 201 is connected on the bottom surface of the driving rotating plate 2, referring to fig. 1, a positioning groove is formed on the chassis 1, the section of the positioning groove is in a T shape, the bottom ends of the driving retaining rod 201 and the driven retaining rod 301 are both in the T shape and are slidably connected in the positioning groove, a buffer spring 4 is connected between the adjacent driving retaining rod 201 and the driven retaining rod 301, a friction pad 302 is arranged on the outer wall of the driven retaining rod 301, and when the driven retaining rod 301 rotates, the friction pad 302 rubs with the inner wall of the chassis 1. Referring to fig. 5, the number of the driving lever 201 and the driven lever 301 is two and the driving lever 201 and the driven lever 301 are staggered, so that the number of the buffer springs 4 is four to connect the driving lever 201 and the driven lever 301 in sequence. When a book file is projected, the book is placed on the driven rotating plate 3, if the book is placed and inclined, the driving rotating plate 2 is adjusted to rotate, and the driving rotating plate 2 and the driven rotating plate 3 are coaxial and circular, so that the rotation angle of the driving rotating plate 2 is the same as that of the case 1, for example, the book is inclined by about 45 degrees, the driving rotating plate 2 is adjusted to rotate by about 45 degrees, then the driving rotating plate 2 can rotate quickly due to the action of the friction pad 302, the buffer spring 4 positioned on one side of the rotating direction on the driving baffle 201 is extruded, the other buffer spring 4 is stretched, elastic potential energy is stored, and then the driven rotating plate 3 slowly moves in the same direction as the driving rotating plate 2 due to deformation energy of the buffer spring 4, so that the driven rotating plate 3 can be prevented from rotating too quickly to influence visual perception.

The side groove is formed in the case 1, the active rotating plate 2 is located in the side groove, the active rotating plate 2 is supported at a fixed height through the active baffle 201, a gap exists between the active rotating plate 2 and the surface of the case 1, and the active rotating plate 2 is prevented from being contacted with the surface of the case 1 when rotating, so that the case 1 is prevented from obstructing the rotation of the active rotating plate 2, and the agility of rotating the active rotating plate 2 is improved. In addition, referring to fig. 4 and 5, the top surfaces of the driving rotating plate 2 and the driven rotating plate 3 are circular, so that when the book placed on the driven rotating plate 3 is inclined, the book can be aligned by rotating the driven rotating plate 3.

Referring to fig. 1, a page turning chute 5 is arranged in a rear plate of a case 1, the page turning chute 5 comprises a page turning section 501, a horizontal section 502 and a reset section 503, the horizontal section 502 is provided with two sections and is respectively positioned at two ends of the page turning section 501, the reset section 503 is in smooth connection with the horizontal section 502, the reset section 503 has the same shape as the page turning section 501, but the reset section 503 is positioned above the page turning section 501, a rack 504 is arranged on the inner wall of the page turning chute 5, a page turning device 6 is slidingly connected in the page turning chute 5, the page turning device 6 is used for automatically turning pages, the page turning device 6 comprises a gear 601, the gear 601 is meshed with the rack 504, a driving shaft of the gear 601 is connected with a transmission 602, an output shaft of the transmission 602 is connected with a negative pressure piece 603, the negative pressure piece 603 is communicated with an air pump, and the air pump is not shown in the figure, a plurality of schemes of negative pressure are formed through an air pump connecting pipeline in the prior art through suction, and then articles are adsorbed, so that the negative pressure piece 603 can be freely adjusted in a state, and the angle of the negative pressure piece 603 can be freely adjusted to enable the page turning piece to be placed on a corresponding page to a position of a book 3; one end of the gear 601 far away from the transmission 602 is rotationally connected with a vertical sliding rail 604, referring to fig. 6, the vertical sliding rail 604 is vertically arranged in the case 1, the vertical sliding rail 604 can transversely and horizontally move, a lateral sliding connection of the vertical sliding rail 604 is provided with a transverse telescopic rod 605, a fixed end of the transverse telescopic rod 605 is installed in the case 1, the vertical sliding rail 604 is driven to horizontally move through the telescopic of the transverse telescopic rod 605, then the gear 601 is driven to transversely move, and the gear 601 is limited by the shape of the page turning sliding groove 5 and is meshed with the rack 504, so that the gear 601 rotates while moving along the page turning sliding groove 5. By setting the gear tooth ratio of the rack 504 to the gear 601 and setting the gear ratio of the transmission 602, the gear 601 rotates by about 90 degrees when moving from one end to the other end of the page turning section 501, referring to fig. 1, when the page needs to be turned from the right side to the left side, the negative pressing piece 603 positioned on the right side of the page turning section 501 is vertically downward, the negative pressing piece 603 moving to the left side of the page turning section 501 rotates by about 960 degrees and then is in a horizontal state, at this time, by controlling the air pump to be closed, the negative pressing piece 603 horizontally moves along the horizontal section 502 so as to be removed from the page, then enters the reset section 503, and by meshing with the rack 504 in the reset section 503, the value of the transmission 602 is adjusted, and the negative pressing piece 603 is rotated again to the right side of the page turning section 501 and then is in a vertically downward state; in addition, referring to fig. 6, a rotating motor is connected between the pipe of the negative pressure member 603 and the suction head, and the initial angle of the negative pressure member 603 can be adjusted by controlling the rotating motor, when the page is turned from right to left, the initial state of the negative pressure member 603 is vertically downward when the page is turned from right, so that the negative pressure member 603 can be horizontally right when moving to the left of the page turning section 501; when the page is turned from left to right, the negative pressure piece 603 is vertically downward at the left side in the initial state, so when the negative pressure piece 603 moves to the right side of the page turning section 501, the negative pressure piece 603 horizontally turns left, thereby facilitating page turning of a book, and when suction force disappears, the page moves to the other side after passing through the binding line position in the middle of the book, thus the page can be prevented from moving backwards to cause the problem of page turning failure, the driving of the page turning device 6 can be controlled by software and displayed on a display screen, manual page turning is not needed, and the phenomenon that hands are unstable and visual feeling of students is influenced when the page is turned can be avoided.

Referring to fig. 1 and 3, an inner groove is formed in the middle of a driven rotating plate 3, a positioning device 7 is slidably connected in the inner groove, the positioning device 7 comprises a moving block 701, a clamping block 702 is arranged on the outer wall of the moving block 701, a clamping groove 703 matched with the clamping block 702 is formed in the inner wall of the driven rotating plate 3, when the moving block 701 is pressed downwards, the clamping block 702 moves downwards along with the moving block 701 and is clamped in the clamping groove 703 below, so that stability of the moving block 701 is maintained, a groove 704 is formed in the top of the moving block 701, a gripping bar 705 is arranged in the middle of the groove 704, a certain interval is reserved between two sides of the gripping bar 705 and the side wall of the groove 704, fingers can be inserted into the interval to pinch the gripping bar 705, then lift upwards, the clamping block 702 falls off from the clamping groove 703 under a large pulling force, then is clamped in the clamping groove 703 above, and when the clamping block 702 is clamped in the clamping groove 703 above, the top surface of the moving block 701 is flush with the top surface of the driven rotating plate 3. When the books are required to be placed on the driven rotating plate 3, the pages are generally adhered together through wires and glue, so that the binding wires of the books are thicker, if the books are directly placed on the horizontal driven rotating plate 3, the books are easy to tilt and clamp, therefore, an inner groove is formed in the middle of the driven rotating plate 3, when the pages with the binding wires are required to be placed, the moving block 701 is pressed downwards, then the part of the binding wires of the books is placed in the inner groove, the stability of the books is ensured by the resistance of the edge of the inner groove, and when a piece of paper or a flat data file is placed on the driven rotating plate 3, the moving block 701 can be pulled upwards to be flush with the top surface of the driven rotating plate 3, so that the data file is horizontally and flatly placed on the driven rotating plate 3.

The application method of the invention is as follows:

the movable block 701 is pressed downwards, the binding part of the book is placed in the inner groove of the driven rotating plate 3, if the book is inclined, the driving rotating plate 2 is rotated according to the visual angle, and the rotating speed of the driven rotating plate 3 is slower due to the friction effect between the friction pad 302 and the case 1, so that the rotating angle of the driving rotating plate 2 is larger than that of the driven rotating plate 3, the buffer spring 4 is deformed, then the buffer spring 4 slowly recovers deformation, the driven rotating plate 3 is pushed to rotate, the effect of slowly adjusting the driven rotating plate 3 is achieved, and the phenomenon that the driven rotating plate 3 rotates faster to influence the display effect of video images on a screen is avoided.

The user operates the display screen to display the next page and the previous page, and the next page and the previous page respectively represent page turning downwards and page turning upwards, when the page needs to be turned downwards, the negative pressing piece 603 is adjusted to be in a vertical downward state when the right side of the page turning section 501 by the rotating motor, then the transverse telescopic rod 605 is contracted from an extension state, the gear 601 moves along the page turning section 501 and rotates under the action of the rack 504, when the negative pressing piece 603 moves to the left side of the page turning section 501, the negative pressing piece 603 rotates to the right side by 90 degrees, then the transverse telescopic rod 605 continuously contracts, the negative pressing piece 603 moves transversely along the horizontal section 502, is drawn out from the lower side of the page, and then moves to the right side of the page turning section 501 again along the reset section 503 and is in a vertical downward state; when a page is turned up, the negative pressing member 603 is in a downward state at the left side of the page turning section 501, the rest is unchanged, and the lateral telescopic rod 605 is extended from a contracted state.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a university english teaching is with multi-media equipment, includes quick-witted case (1), its characterized in that: the automatic hinge is characterized in that a driving rotating plate (2) is rotationally connected above the case (1), a driven rotating plate (3) is rotationally connected to the top surface of the driving rotating plate (2), a vertical groove (202) is formed in the driving rotating plate (2), a driving baffle rod (201) is arranged on the bottom surface of the driving rotating plate (2), a driven baffle rod (301) is arranged on the bottom surface of the driven rotating plate (3), the driving baffle rod (201) and the driven baffle rod (301) extend into the case (1), a friction pad (302) is arranged on the outer wall of the driven baffle rod (301) located in the case (1), a buffer spring (4) is connected between the driving baffle rod (201) and the driven baffle rod (301), a page turning sliding groove (5) is arranged in the rear plate of the case (1), a page turning device (6) is connected in a sliding mode, and a positioning device (7) is arranged in the middle of the driven rotating plate (3).

The number of the driving baffle rods (201) and the driven baffle rods (301) is two and distributed in a staggered mode, the driving baffle rods (201) are fixedly connected to the driving rotating plate (2) and located in the vertical grooves (202), the driven baffle rods (301) penetrate through the vertical grooves (202), and the buffer springs (4) are sequentially connected between the driving baffle rods (201) and the driven baffle rods (301).

2. A college english teaching multimedia device according to claim 1, wherein: the page turning sliding groove (5) comprises page turning sections (501), horizontal sections (502) and reset sections (503), wherein the number of the horizontal sections (502) is two and is respectively connected to two ends of the page turning sections (501), the horizontal sections (502) are smoothly connected with the reset sections (503), and racks (504) are arranged on the inner wall of the page turning sliding groove (5).

3. A college english teaching multimedia device according to claim 2, wherein: the page turning device (6) comprises a gear (601), a transmission (602) is connected to a driving shaft of the gear (601), a negative pressure piece (603) is connected to an output end of the transmission (602), an air pump is connected to the negative pressure piece (603), one end of the gear (601), far away from the transmission (602), is rotationally connected with a vertical sliding rail (604), a driving end of a transverse telescopic rod (605) is slidingly connected to a side face of the vertical sliding rail (604), a fixing end of the transverse telescopic rod (605) is mounted on the inner wall of the case (1), and the gear (601) is meshed with a rack (504).

4. A college english teaching multimedia device according to claim 3, wherein: when the negative pressure piece (603) moves from one side of the page turning section (501) to the other side, the negative pressure piece (603) rotates by 90 degrees, a rotating motor is arranged between a pipeline of the negative pressure piece (603) and the adsorption head, and the rotating motor is used for adjusting the initial direction of the adsorption head of the negative pressure piece (603).

5. A college english teaching multimedia device according to claim 1, wherein: the positioning device (7) comprises a moving block (701), a clamping block (702), a clamping groove (703), a groove (704) and a grabbing bar (705), wherein the moving block (701) is movably sleeved at the middle part of the chassis (1), the clamping block (702) is connected to the side wall of the bottom end of the moving block (701), the clamping groove (703) is formed in the inner wall of the chassis (1), the clamping block (702) is clamped with the clamping groove (703), the top of the moving block (701) is provided with the groove (704), the grabbing bar (705) is arranged in the groove (704), and an interval is reserved between the inner wall of the groove (704) and the grabbing bar (705).