CN212229840U

CN212229840U - Computer network teaching demonstration device

Info

Publication number: CN212229840U
Application number: CN202021456476.3U
Authority: CN
Inventors: 邱海斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-12-25
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to a computer network teaching demonstration device, which comprises a top plate and a bottom plate, wherein the top plate is positioned above the bottom plate, the back sides of the top plate and the bottom plate are fixedly connected with a mounting rack, the top side of the bottom plate is connected with a mounting plate, the front side of the top plate is embedded with a connecting box, the left side of the top of the bottom plate is dug with a first groove, the left side of the first groove runs through the left side of the bottom plate, the right side of the first groove is dug with a second groove, a guide rod is fixedly connected between the inner walls of the second groove, a sliding block is movably sleeved on the outer wall of the guide rod, the top side of the sliding block is fixedly connected with the bottom side of the mounting plate, the connecting box comprises a first box body and a second box body, the teaching demonstration efficiency is greatly improved, the teaching quality is further improved, the reciprocating motion, time and labor are saved, and the practicability is further improved.

Description

Computer network teaching demonstration device

Technical Field

The utility model relates to a computer network teaching presentation device belongs to computer technical field.

Background

The computer is commonly known as a computer, is modern an electronic computing machine for high-speed calculation, can carry out numerical calculation, can carry out logic calculation again, still have the memory function, can be according to the program operation, automatic and high-speed processing mass data's modern intelligent electronic equipment, current presentation device has the teaching demonstration screen usually, when explaining, still need utilize the blackboard to carry out the face and write the explanation, teacher moves back and forth with the blackboard before the display screen on the podium and has reduced teaching efficiency, simultaneously when using the projecting apparatus show, need look for the position of putting the projecting apparatus safely, and hanging and accomodating of projection cloth are comparatively troublesome, can waste a large amount of time, for this reason, provide computer network teaching presentation device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides computer network teaching presentation device, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the computer network teaching demonstration device comprises a top plate and a bottom plate, wherein the top plate is positioned above the bottom plate, a mounting frame is fixedly connected with the rear sides of the top plate and the bottom plate, a mounting plate is connected with the top side of the bottom plate, a connecting box is embedded in the front side of the top plate, a first groove is dug in the left side of the top of the bottom plate, the left side of the first groove penetrates through the left side of the bottom plate, a second groove is dug in the right side of the first groove, a guide rod is fixedly connected between the inner walls of the second groove, a sliding block is movably sleeved on the outer wall of the guide rod, the top side of the sliding block is fixedly connected with the bottom side of the mounting plate, the connecting box comprises a first box body and a second box body, the front side of the first box body is fixedly connected with the second box body, a sliding groove is dug, the bottom side of the writing board is connected with the inner wall of the first groove in a sliding mode, a fixing shaft is arranged between the inner walls of the second box bodies, projection cloth is arranged on the fixing shaft, a hook is fixedly connected to the bottom side of the projection cloth, and the projection cloth penetrates through the bottom side of the second box bodies.

As a further description of the above scheme, the mounting bracket is specifically an H-shaped structure, and four corners of the mounting bracket are all provided with bolt holes in a penetrating manner.

As a further description of the above scheme, the top side of the top plate is symmetrically provided with lifting lugs, and the bottom sides of the lifting lugs are all fixedly connected with the top plate.

As a further description of the above scheme, the top plate and the mounting plate are respectively of an L-shaped structure, the connection box is fixedly connected with the inner side of the top plate, and four corners of the inner side of the mounting plate are respectively provided with screw holes in a penetrating manner.

As a further description of the above scheme, a clockwork spring is sleeved on the fixed shaft, one end of an inner ring of the clockwork spring is fixedly connected with the fixed shaft, and one end of the inner ring of the clockwork spring is fixedly connected with the projection cloth.

As further description of the above scheme, the first box body is flush with the front side of the bottom plate, the second box body extends out of the front side of the bottom plate, and the front side of the bottom plate is fixedly connected with a hanging ring.

The utility model discloses beneficial effect:

1. by arranging the guide rod and the sliding block, the sliding block can drive the mounting plate and the demonstration screen to move rightwards, and the projection cloth is pulled out downwards and fixed, so that the projection cloth can be used on the left side, and the demonstration screen can be used on the right side, the teaching demonstration efficiency is greatly improved, and the teaching quality is further improved;

2. the writing board is arranged, so that the writing board and the demonstration screen are assembled adjacently, the writing board is matched with the demonstration screen for explanation teaching, the back-and-forth movement between the demonstration screen and the blackboard is not needed, and the teaching efficiency is further improved;

3. through setting up projection cloth, can pull out projection cloth from second box inner chamber, use projection cloth and demonstration screen equipment cooperation, do not need teacher's personnel to make a round trip to carry projection cloth, labour saving and time saving, the practicality further improves.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is the appearance structure schematic diagram of the computer network teaching demonstration device of the utility model.

Fig. 2 is the bottom plan view of the computer network teaching demonstration device of the utility model.

Fig. 3 is the first box body and the second box body section structure side view of the computer network teaching demonstration device of the utility model.

Reference numbers in the figures: 1. a top plate; 2. a base plate; 3. a mounting frame; 4. mounting a plate; 5. a connection box; 6. a first groove; 7. a second groove; 8. a guide bar; 9. a slider; 10. a first case; 11. a second box body; 12. a sliding groove; 13. a writing board; 14. a fixed shaft; 15. A projection cloth; 16. hooking; 17. lifting lugs; 18. a clockwork spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a computer network teaching demonstration device comprises a top plate 1 and a bottom plate 2, wherein the top plate 1 is positioned above the bottom plate 2, a mounting frame 3 is fixedly connected to the rear sides of the top plate 1 and the bottom plate 2, the mounting frame 3 is of an H-shaped structure, bolt holes are formed in four corners of the mounting frame 3 in a penetrating manner, the mounting frame 3 can be fixed on a wall surface by arranging the mounting frame 3, the whole device can be fixed on the wall surface by utilizing bolts to be connected with the bolt holes, the whole device is more convenient to assemble, splice, disassemble and maintain, the top side of the bottom plate 2 is connected with a mounting plate 4, a connecting box 5 is embedded in the front side of the top plate 1, the top plate 1 and the mounting plate 4 are of an L-shaped structure respectively, the connecting box 5 is fixedly connected with the inner side of the top plate 1, screw holes are formed in the four, bottom plate 2 left side is run through in first recess 6 left side, first recess 6 right side is dug and is equipped with second recess 7, fixedly connected with guide bar 8 between the 7 inner walls of second recess, the movable sleeve is equipped with sliding block 9 on the 8 outer walls of guide bar, through setting up guide bar 8 and sliding block 9, sliding block 9 can carry out lateral shifting on guide bar 8, and mounting panel 4 passes through screwed connection with the demonstration screen rear side and fixes, when needs use projection cloth 15 and demonstration screen simultaneously, can drive mounting panel 4 and demonstration screen with sliding block 9 and move right, pull out projection cloth 15 downwards fixedly, thereby can use projection cloth 15 in the left side, use the demonstration screen in the right side, improved the efficiency of teaching demonstration greatly, further improved the teaching quality simultaneously, sliding block 9 top side and mounting panel 4 bottom side fixed connection, connecting box 5 includes first box body 10, The front side of the first box body 10 is fixedly connected with the second box body 11, a sliding groove 12 is dug in the left side of the bottom of the first box body 10, the left side of the sliding groove 12 penetrates through the left side of the first box body 10, a writing board 13 is connected to the inner wall of the sliding groove 12 in a sliding manner, the writing board 13 can be connected with the sliding groove 12 by arranging the writing board 13, the writing board 13 is assembled adjacent to the demonstration screen, the writing board 13 is matched with the demonstration screen for explaining and teaching, the back and forth movement between the demonstration screen and the blackboard can be avoided, the teaching efficiency is further improved, the bottom side of the writing board 13 is connected with the inner wall of the first groove 6 in a sliding manner, a fixed shaft 14 is arranged between the inner walls of the second box body 11, projection cloth 15 is arranged on the fixed shaft 14, the projection cloth 15 can be pulled out from the inner cavity of the second box body 11 by arranging the projection cloth 15, and the, the teacher personnel do not need to make a round trip to carry projection cloth 15, labour saving and time saving, and the practicality further improves, 15 bottom sides fixedly connected with couples 16 of projection cloth, projection cloth 15 runs through the 11 bottom sides of second box body.

Specifically, as shown in fig. 1, lifting lugs 17 are symmetrically arranged on the top side of the top plate 1, and the bottom sides of the lifting lugs 17 are fixedly connected with the top plate 1.

Specifically, as shown in fig. 3, a clockwork spring 18 is sleeved on the fixed shaft 14, one end of an inner ring of the clockwork spring 18 is fixedly connected with the fixed shaft 14, one end of the inner ring of the clockwork spring 18 is fixedly connected with the projection cloth 15, by arranging the clockwork spring 18, when the projection cloth 15 is not used, the hook 16 on the projection cloth 15 can be separated from the hanging ring, and the projection cloth 15 can be automatically wound into the inner cavity of the second box body 11 under the action of the clockwork spring 18.

Specifically, as shown in fig. 1, the first box body 10 is flush with the front side of the bottom plate 2, the second box body 11 extends out of the front side of the bottom plate 2, and the front side of the bottom plate 2 is fixedly connected with a hanging ring.

The utility model discloses when using, fix mounting bracket 3 on the wall, utilize bolt and bolt hole connection, can fix the integrated device at the wall, mounting panel 4 passes through screwed connection with the demonstration screen rear side and fixes, when needs use projection cloth 15 simultaneously and demonstration screen, can move mounting panel 4 and demonstration screen right with sliding block 9 drive, it is fixed to pull out projection cloth 15 downwards, use projection cloth 15 in the left side, use the demonstration screen in the right side, when not using projection cloth 15, can separate 16 and links on the projection cloth 15, under clockwork spring 18's effect, can make the automatic rolling of projection cloth 15 get into 11 inner chambers of second box body, be connected board 13 and sliding groove 12, make board 13 and the adjacent equipment of demonstration screen, board 13 cooperation demonstration screen carries out the teaching of explaining.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. Computer network teaching presentation device, including roof (1), bottom plate (2), its characterized in that, roof (1) is located bottom plate (2) top, roof (1) and bottom plate (2) rear side fixedly connected with mounting bracket (3), bottom plate (2) top side is connected with mounting panel (4), roof (1) front side inlays and is equipped with connecting box (5), bottom plate (2) top left side is dug and is equipped with first recess (6), bottom plate (2) left side is run through in first recess (6) left side, first recess (6) right side is dug and is equipped with second recess (7), fixedly connected with guide bar (8) between second recess (7) inner wall, movable sleeve is equipped with sliding block (9) on guide bar (8) outer wall, sliding block (9) top side and mounting panel (4) bottom side fixed connection, connecting box (5) are including first box body (10), Second box body (11), first box body (10) front side and second box body (11) fixed connection, dig in first box body (10) bottom left side and be equipped with slip recess (12), slip recess (12) left side is run through first box body (10) left side, just slip recess (12) inner wall sliding connection has board (13), board (13) bottom side and first recess (6) inner wall sliding connection, be provided with fixed axle (14) between second box body (11) inner wall, be equipped with projection cloth (15) on fixed axle (14), projection cloth (15) bottom side fixedly connected with couple (16), projection cloth (15) run through second box body (11) bottom side.

2. The computer network teaching demonstration device of claim 1 wherein: the mounting bracket (3) is of an H-shaped structure, and bolt holes are formed in four corners of the mounting bracket (3) in a penetrating mode.

3. The computer network teaching demonstration device of claim 1 wherein: lifting lugs (17) are symmetrically arranged on the top side of the top plate (1), and the bottom sides of the lifting lugs (17) are fixedly connected with the top plate (1).

4. The computer network teaching demonstration device of claim 1 wherein: roof (1) and mounting panel (4) are L type structure respectively, connecting box (5) and the inboard fixed connection of roof (1), four corners of mounting panel (4) inboard link up respectively and are equipped with the screw hole.

5. The computer network teaching demonstration device of claim 1 wherein: the projection cloth is characterized in that a clockwork spring (18) is sleeved on the fixed shaft (14), one end of an inner ring of the clockwork spring (18) is fixedly connected with the fixed shaft (14), and one end of the inner ring of the clockwork spring (18) is fixedly connected with the projection cloth (15).

6. The computer network teaching demonstration device of claim 1 wherein: first box body (10) and bottom plate (2) front side parallel and level, bottom plate (2) front side is stretched out in second box body (11), bottom plate (2) front side fixedly connected with link.