CN214068002U

CN214068002U - Presentation device is used in computer teaching

Info

Publication number: CN214068002U
Application number: CN202120307644.0U
Authority: CN
Inventors: 段欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-08-27
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to the field of computer teaching demonstration, in particular to a demonstration device for computer teaching, which comprises a cabinet body, wherein the front end of the cabinet body is rotationally connected with a cabinet door, the top center position of the cabinet body is slidably connected with a computer, the top rear side of the cabinet body is fixedly connected with a fixing ring, the inner side of the fixing ring is rotationally connected with a positioning ring, and the outer side of the positioning ring is fixedly connected with a shielding cloth, prevent that the dust from falling on the surface of computer, avoid influencing the use of computer, the clearance is simple.

Description

Presentation device is used in computer teaching

Technical Field

The utility model relates to a computer teaching demonstration field specifically is a presentation device is used in computer teaching.

Background

Computer-aided education is a method and technology for teaching activities under the assistance of computer, discussing teaching contents, arranging teaching process and training teaching with students in a dialogue mode, is a wide application field for teaching teachers with computer assistance or teaching with computers, is an important application field of computers in education, represents a new education technology and teaching mode, provides a good personalized learning environment for students by CAI, comprehensively applies computer technologies such as multimedia, hypertext, artificial intelligence, knowledge base and the like, and overcomes the defects of singleness and sidedness in the traditional teaching mode.

Present computer teaching presentation device is mostly placed in the open, long-time placing on the top of the cabinet body, have a small amount of dust to fall on computer operating system's surface, the dust is piled up the operation that can influence the computer on the surface of computer and is used, is difficult to the clearance, and the cabinet body need be opened to the user of service simultaneously, carries out maintenance to the host computer of the internal portion of cabinet, and computer teaching presentation device is inside not to have the light source, need use the flashlight to throw light on to the inner space.

Disclosure of Invention

An object of the utility model is to provide a presentation device is used in computer teaching to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a demonstration device for computer teaching comprises a cabinet body, wherein the front end of the cabinet body is rotatably connected with a cabinet door, the top center position of the cabinet body is slidably connected with a computer, the top rear side of the cabinet body is fixedly connected with a fixing ring, the inner side of the fixing ring is rotatably connected with a positioning ring, the outer side of the positioning ring is fixedly connected with shielding cloth, the shielding cloth is slidably connected with the cabinet body, the outer side of the shielding cloth is fixedly connected with a magnetic plate, the rear end bottom side of the shielding cloth is slidably connected with a limit buckle, the inner side of the limit buckle is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with the shielding cloth, the top side of the rear end of the cabinet door at the left end is rotatably connected with a connecting shaft, the other end of the connecting shaft is rotatably connected with a rotating rod, the inner side center position of the left end of the cabinet body is rotatably connected with a transmission rod, the inner side of the transmission rod is slidably connected with a vertical shaft, the outer side of the vertical shaft is connected with a spring in a sliding mode, the spring is connected with the transmission rod in a sliding mode, the other end of the spring is connected with a circular ring in a sliding mode, the circular ring is fixedly connected with the cabinet body, the circular ring is connected with the vertical shaft in a sliding mode, the rear end of the inner side of the left end of the cabinet body is fixedly connected with a switch, and the inner side of the top end of the cabinet body is fixedly connected with a bulb.

Preferably, the top edge of the cabinet body is inclined by 30 degrees, and the shielding cloth is made of a plastic dustproof plate.

Preferably, the limit buckle is made of a plate made of an extensible elastic material, a through hole is formed in the outer side of the limit buckle, and a fixing column is fixedly connected to the top side of the front end of the cabinet body.

Preferably, the left and right sides of the cabinet body are fixedly connected with magnetic strip blocks, and the magnetic plates are symmetrically arranged on the left and right sides of the shielding cloth.

Preferably, the outer side center position of the rotating rod is provided with a sliding groove, the inner side of the rotating rod is connected with a positioning column in a sliding mode, the positioning column is fixedly connected with the cabinet body, and the outer side center position of the transmission rod is provided with a limiting groove.

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

1. in the utility model, through the arranged fixing ring, the shielding cloth, the magnetic plate and the fixing column, the arrangement is matched with the sliding connection of the fixing ring and the positioning ring, the fixed connection of the shielding cloth and the magnetic plate and the fixed connection of the fixing column and the cabinet body, after the computer teaching demonstration device is completed, the shielding cloth is pulled to cover above the computer at the top end of the cabinet body, so that the magnetic plate outside the shielding cloth is attached to the magnetic strip block, and meanwhile, the limit buckle is fixed on the fixing column, thereby preventing dust from falling on the surface of the computer, avoiding influencing the use of the computer, and being simple to clean;

2. the utility model discloses in, through connecting axle, bull stick, vertical scroll and the switch that sets up, this kind sets up the rotation of cooperation connecting axle and bull stick and is connected, the sliding connection of vertical scroll and spring and the fixed connection of switch and the cabinet body, and the staff is after pulling open the cabinet door, begins to rotate via connecting axle pulling control bull stick, and the bull stick rotates in the outside of reference column, begins to promote the transfer line and begins to rotate, and extrusion spring compression deformation makes the vertical scroll remove to laminate to the switch, switches on the bulb power, begins to provide the illumination.

Drawings

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

FIG. 2 is a perspective view of the shielding cloth of the present invention;

FIG. 3 is a schematic view of the mounting structure of the connecting shaft of the present invention;

fig. 4 is a schematic structural diagram of a portion a of fig. 3 according to the present invention.

In the figure: 1-cabinet body, 2-cabinet door, 3-computer, 4-fixed ring, 5-positioning ring, 6-shielding cloth, 7-magnetic plate, 8-limit buckle, 9-rotating shaft, 10-magnetic strip block, 11-fixed column, 12-connecting shaft, 13-rotating rod, 14-positioning column, 15-driving rod, 16-vertical shaft, 17-spring, 18-ring, 19-switch and 20-bulb.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a demonstration device for computer teaching comprises a cabinet body 1, wherein the front end of the cabinet body 1 is rotatably connected with a cabinet door 2, the top center position of the cabinet body 1 is slidably connected with a computer 3, the top rear side of the cabinet body 1 is fixedly connected with a fixing ring 4, the inner side of the fixing ring 4 is rotatably connected with a positioning ring 5, the positioning ring 5 is favorably connected with the fixing ring 4 for rotation adjustment, the outer side of the positioning ring 5 is fixedly connected with a shielding cloth 6, the shielding cloth 6 is slidably connected with the cabinet body 1, the outer side of the shielding cloth 6 is fixedly connected with a magnetic plate 7, the rear end bottom side of the shielding cloth 6 is movably connected with a limit buckle 8, the inner side of the limit buckle 8 is rotatably connected with a rotating shaft 9, the rotating shaft 9 is fixedly connected with the shielding cloth 6, the rotating shaft 9 is favorably used for controlling the limit buckle 8 to rotate, the rear end top side of the cabinet door 2 at the left end is rotatably connected with a connecting shaft 12, the other end of the connecting shaft 12 is rotatably connected with a rotating rod 13, the inside central position of the left end of the cabinet body 1 is rotatably connected with a transmission rod 15, the inside of the transmission rod 15 is slidably connected with a vertical shaft 16, the outside of the vertical shaft 16 is slidably connected with a spring 17, the spring 17 is slidably connected with the transmission rod 15, the spring 17 is favorable for pushing the vertical shaft 16 to move, the other end of the spring 17 is slidably connected with a ring 18, the ring 18 is fixedly connected with the cabinet body 1, the ring 18 is slidably connected with the vertical shaft 16, the rear end of the inside of the left end of the cabinet body 1 is fixedly connected with a switch 19, and the inside of the top end of the cabinet body 1 is fixedly connected with a bulb 20.

The top edge of the cabinet body 1 is inclined by 30 degrees, the shielding cloth 6 is made of a plastic dustproof material plate, so that the top edge can prevent some articles from falling off, and meanwhile, the plastic dustproof material reduces the production cost of the shielding cloth 6; the limit buckle 8 is made of a plate made of an extensible elastic material, a through hole is formed in the outer side of the limit buckle 8, a fixed column 11 is fixedly connected to the top side of the front end of the cabinet body 1, the through hole of the limit buckle 8 can be conveniently positioned on the outer side of the fixed column 11, and the position of the limit buckle 8 can be better adjusted through the extensible elastic material; the left side and the right side of the cabinet body 1 are both fixedly connected with magnetic strip blocks 10, the magnetic plates 7 are symmetrically arranged at the left side and the right side of the shielding cloth 6, so that the magnetic plates 7 at the left side and the right side of the shielding cloth 6 are conveniently attached to the outer sides of the magnetic strip blocks 10 for fixing, and the sealing effect is enhanced; the outside central point of bull stick 13 puts and has seted up the spout, and the inboard sliding connection of bull stick 13 has reference column 14, and reference column 14 and cabinet body 1 fixed connection, and the outside central point of transfer line 15 puts and has seted up the spacing groove, and the reference column 14 of being convenient for fixes a position in the spout of bull stick 13, and the inboard spacing groove of transfer line 15 can fix a position vertical scroll 16.

The working process is as follows: the device is provided with an external power supply, the power supply is switched on, the limit button 8 is taken down from the outer side of the fixed column 11 at the front end of the cabinet body 1, a worker takes the magnetic plate 7 at the outer side of the shielding cloth 6 from the magnetic strip block 10 at the outer side of the cabinet body 1, the shielding cloth 6 is turned over to the rear side of the cabinet body 1, the positioning fixing ring 4 is pulled through the positioning ring 5 to position, the demonstration of computer teaching is started by operating the computer 3 at the top end of the cabinet body 1, after the operation is finished, the computer 3 is closed, the shielding cloth 6 at the rear side of the cabinet body 1 is pulled, the shielding cloth 6 is covered at the outer side of the computer 3 at the top end of the cabinet body 1, the position of the magnetic plate 7 is adjusted, the magnetic plate 7 is adsorbed on the magnetic strip block 10 at the outer side of the cabinet body 1 to be fixed, the rotating shaft 9 at the inner side of the limit button 8 is, therefore, the shielding cloth 6 covers the outer side of the computer 3 to protect the computer 3, when the cabinet door 2 at the front end of the cabinet body 1 needs to be opened to maintain the host equipment inside the cabinet body 1, a user pulls the cabinet door 2, the cabinet door 2 at the left side pulls the connecting shaft 12 to start rotating, the connecting shaft 12 pulls the rotating rod 13 to start rotating, the rotating rod 13 starts to rotate regularly through the positioning of the positioning column 14, when the rotating rod 13 rotates to the outer side of the transmission rod 15, the rotating rod 13 pushes the transmission rod 15 to start rotating, the transmission rod 15 pushes the vertical shaft 16 to start moving, the spring 17 outside the extrusion vertical shaft 16 compresses and deforms, the vertical shaft 16 moves and extrudes the switch 19 inside the cabinet body 1, the switch 19 works to switch on the bulb 20 inside the cabinet body 1, the bulb 20 starts to illuminate, the host inside the cabinet body 1 starts to maintain, and after maintenance is finished, the cabinet door 2 is closed, the connecting shaft 12 is reset, the rotating rod 13 is pulled up, the spring 17 extends to push the vertical shaft 16 to leave the switch 19, and the bulb 20 is powered off and stops working.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 presentation device is used in computer teaching, includes the cabinet body (1), its characterized in that: the front end of the cabinet body (1) is rotatably connected with a cabinet door (2), the top center of the cabinet body (1) is slidably connected with a computer (3), the top rear side of the cabinet body (1) is fixedly connected with a fixing ring (4), the inner side of the fixing ring (4) is rotatably connected with a positioning ring (5), the outer side of the positioning ring (5) is fixedly connected with shielding cloth (6), the shielding cloth (6) is slidably connected with the cabinet body (1), the outer side of the shielding cloth (6) is fixedly connected with a magnetic plate (7), the rear end bottom side of the shielding cloth (6) is slidably connected with a limiting buckle (8), the inner side of the limiting buckle (8) is rotatably connected with a rotating shaft (9), the rotating shaft (9) is fixedly connected with the shielding cloth (6), the top side of the rear end of the cabinet door (2) positioned at the left end is rotatably connected with a connecting shaft (12), and the other end of the rotating shaft (13) is rotatably connected with a rotating rod (12), the utility model discloses a cabinet, including the cabinet body, the inboard central point of left end of cabinet body (1) puts and rotates and is connected with transfer line (15), the inboard sliding connection of transfer line (15) has vertical scroll (16), the outside sliding connection of vertical scroll (16) has spring (17), and spring (17) and transfer line (15) sliding connection, the other end sliding connection of spring (17) has ring (18), and ring (18) and cabinet body (1) fixed connection, ring (18) and vertical scroll (16) sliding connection, the inboard rear end fixed connection of left end of the cabinet body (1) has switch (19), the inboard fixedly connected with bulb (20) in top of the cabinet body (1).

2. A presentation device for computer teaching according to claim 1, wherein: the top edge position of the cabinet body (1) is inclined by 30 degrees, and the shielding cloth (6) is made of a plastic dustproof material.

3. A presentation device for computer teaching according to claim 1, wherein: the limiting buckle (8) is made of a plate made of an extensible elastic material, a through hole is formed in the outer side of the limiting buckle (8), and a fixing column (11) is fixedly connected to the top side of the front end of the cabinet body (1).

4. A presentation device for computer teaching according to claim 1, wherein: the utility model discloses a cabinet, including cabinet body (1), the equal fixedly connected with magnetic stripe piece (10) in both sides about the cabinet body (1), magnetic plate (7) are located the left and right sides that hides blocking cloth (6) and are the symmetry setting.

5. A presentation device for computer teaching according to claim 1, wherein: the outer side center position of bull stick (13) has seted up the spout, the inboard sliding connection of bull stick (13) has reference column (14), and reference column (14) and cabinet body (1) fixed connection, the outer side center position of transfer line (15) has seted up the spacing groove.