CN216019734U

CN216019734U - Multimedia network teaching management device

Info

Publication number: CN216019734U
Application number: CN202122464910.3U
Authority: CN
Inventors: 薛云兰; 邵桐杰; 黄嘉浩; 骆祥军
Original assignee: Guangdong Polytechnic Institute
Current assignee: Guangdong Polytechnic Institute
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-15
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a multimedia network teaching management device, which belongs to the technical field of network teaching management and comprises a computer desk, wherein a first accommodating groove is arranged on the computer desk, a second accommodating groove is arranged on the computer desk, a pair of first protection plates are arranged on the computer desk in a rotating manner, a support column is arranged on the computer desk in a sliding manner, a protection box is fixedly arranged at the upper end of the support column, the end part of the movable inserted rod leaves a circular slot by moving the inserted rod, a rotating handle is rotated and drives a rotating ring to rotate, the rotating ring drives a limiting shaft to rotate, the limiting shaft drives a semicircular gear to rotate, the semicircular gear rotates by taking the limiting rod as the center, the semicircular gear drives the support column to move by a toothed plate, the support column moves along the computer desk, the support column drives the protection box to lift, so that the height of a screen is adjusted, and then the movable inserted rod is moved, make the tip insert in the circular slot, with the fixed structure, make things convenient for the teacher to teach.

Description

Multimedia network teaching management device

Technical Field

The utility model relates to the technical field of network teaching management, in particular to a multimedia network teaching management device.

Background

Multimedia is a complex of multiple media, typically including text, sound, and images. In a computer system, multimedia refers to a man-machine interactive information exchange and dissemination medium that combines two or more media. The media used include text, pictures, photos, sounds, animations and movies, and the interactive functions provided by the programs;

at present, most schools go on class through a multimedia network, a computer and a large screen are arranged in a classroom to show students, the traditional computer is structurally fixed together with a desk, the screen cannot be adjusted, and the body of a teacher is damaged by long-time use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a multimedia network teaching management device, so as to solve the problems in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a multimedia network teaching management device, includes the desk, be equipped with the first groove of accomodating on the desk, the last second that is equipped with of desk is accomodate the groove, it is equipped with a pair of first protection board to rotate on the desk, it is equipped with the support column to slide on the desk, the fixed protection box that is equipped with in support column upper end, the standing groove has been seted up to protection box upper surface, support column one end is passed the desk, first accomodating inslot is equipped with elevating system.

Preferably, elevating system includes the gag lever post, gag lever post one end is connected with the first inslot wall of accomodating rotation, the gag lever post other end is fixed and is equipped with semi-circular gear, desk one side is rotated and is equipped with rotatory ring, the fixed spacing axle that is equipped with of rotatory ring one end, spacing axle one end and semi-circular gear one side fixed connection, the fixed pinion rack that is equipped with in support column one side, the pinion rack meshes with semi-circular gear mutually.

Preferably, a rotating handle is fixedly arranged on one side, away from the first accommodating groove, of the rotating ring, a movable inserting rod is arranged on the rotating handle in a sliding mode, the rotating handle is located at the edge of the rotating ring, the movable inserting rod is in an L shape, and a circular slot is formed in one side of the computer desk.

Preferably, the support column lower extreme is fixed and is equipped with the spacing ring, the wire casing has all been seted up on spacing ring, support column and the protection box, the wire casing is the cylinder shape.

Preferably, a second protection plate is rotatably arranged on the protection box, a second clamping block is fixedly arranged at one end of the second protection plate, a first clamping block is fixedly arranged at one end of the protection box, and limiting grooves are formed in the first clamping block and the second clamping block.

Preferably, one end of the limit shaft is located at the edge of the semicircular gear, and the other end of the limit shaft is located at the edge of the rotating ring.

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

1. the end part of the movable inserted rod leaves the circular slot by moving the inserted rod, the rotating handle is rotated, the rotating handle drives the rotating ring to rotate, the rotating ring drives the limiting shaft to rotate, the limiting shaft drives the semicircular gear to rotate, the semicircular gear rotates by taking the limiting rod as a center, the semicircular gear drives the supporting column to move through the toothed plate, the supporting column moves along the computer desk, the supporting column drives the protection box to lift, so that the height of the screen is adjusted, then the end part of the movable inserted rod is inserted into the circular slot by moving the movable inserted rod, the structure is fixed, and teachers can conveniently teach;

2. when not using, make its and protection box upper surface laminating mutually through rotatory second protection shield, spacing groove on the first fixture block of first fixture block passes, and the rethread lock runs through the groove on the first fixture block, protects the screen in the standing groove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic diagram of an explosive structure according to the present invention;

FIG. 3 is a schematic cross-sectional view of a computer desk according to the present invention;

FIG. 4 is a schematic structural diagram of the lifting mechanism of the present invention;

in the figure: 1. a computer desk; 11. a first receiving groove; 12. a second receiving groove; 13. a first protective plate; 14. a support pillar; 15. a protection box; 16. a placement groove; 2. a lifting mechanism; 21. a limiting rod; 22. a semi-circular gear; 23. a rotating ring; 24. a limiting shaft; 25. a toothed plate; 3. rotating the handle; 31. moving the inserted rod; 32. a circular slot; 4. a limiting ring; 41. a wire releasing groove; 5. a second protective plate; 51. a first clamping block; 52. a second fixture block; 53. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the present invention provides a multimedia network teaching management device, which comprises a computer desk 1, wherein the computer desk 1 is provided with a first receiving groove 11, the computer desk 1 is provided with a second receiving groove 12, the computer desk 1 is rotatably provided with a pair of first protection plates 13, the computer desk 1 is slidably provided with a support pillar 14, the upper end of the support pillar 14 is fixedly provided with a protection box 15, the upper surface of the protection box 15 is provided with a placement groove 16, one end of the support pillar 14 passes through the computer desk 1, the lower end of the support pillar 14 is fixedly provided with a limit ring 4, the support pillar 14 and the protection box 15 are all provided with a placement groove 41, the placement groove 41 is cylindrical, the first receiving groove 11 is internally provided with a lifting mechanism 2, the first receiving groove 11 and the second receiving groove 12 have equal space, the first protection plate 13 is used for sealing the first receiving groove 11 and the second receiving groove 12 to place dust into, the limit ring 4 is used for limiting the support pillar 14, the first groove 11 of accomodating is equipped with the host computer, and 14 upper ends of support column are located 1 tops of desk, and the lower extreme is located first groove 11 of accomodating inside, is used for placing the screen in the standing groove 16, drives support column 14 through elevating system 2 and removes, and support column 14 drives the 15 lifts of protection box to the height of adjustment screen makes things convenient for the teacher to teach.

Elevating system 2 includes gag lever post 21, gag lever post 21 one end is connected with the first 11 inner walls rotation of accomodating, gag lever post 21 other end is fixed and is equipped with

semi-circular gear

22, 1 one side of desk is rotated and is equipped with rotatory ring 23, rotatory ring 23 one end is fixed and is equipped with spacing axle 24, spacing axle 24 one end and semi-circular gear 22 one side fixed connection, the fixed pinion rack 25 that is equipped with in support column 14 one side, pinion rack 25 meshes with semi-circular gear 22 mutually, rotatory ring 23 passes 1 lateral wall of desk, one end is located and first accomodating inslot 11, rotatory ring 23 rotates and drives spacing axle 24 and rotate, spacing axle 24 drives semi-circular gear 22 and rotates, semi-circular gear 22 rotates with gag lever post 21 as the center, semi-circular gear 22 drives support column 14 through pinion rack 25 and removes, support column 14 removes along desk 1.

Rotatory ring 23 is kept away from first holding groove 11 one side and is fixed to be equipped with rotatory handle 3, it is equipped with removal inserted bar 31 to slide on the rotatory handle 3, rotatory handle 3 is located rotatory ring 23 border position, it is the L shape to remove inserted bar 31, circular slot 32 has been seted up to desk 1 one side, spacing 24 one end is located half-round gear 22 border position, spacing 24 other ends are located rotatory ring 23 border position, a plurality of circular slots 32 have been seted up to desk 1 side, through removing inserted bar 31, make remove inserted bar 31 tip leave in circular slot 32, rotate rotatory handle 3, rotatory handle 3 drives rotatory ring 23 and rotates, when adjusting the position, through removing removal inserted bar 31, make the tip insert in circular slot 32, it is fixed with the structure.

The last rotation of protection box 15 is equipped with second protection shield 5, the fixed second fixture block 52 that is equipped with of 5 one end of second protection shield, the fixed first fixture block 51 that is equipped with of 15 one end of protection box, spacing groove 53 has all been seted up on first fixture block 51 and the second fixture block 52, make it laminate mutually with protection box 15 upper surface through rotatory second protection shield 5, spacing groove 53 on second fixture block 52 is passed through to first fixture block 51, the groove on first fixture block 51 is run through to the rethread lock, protect the screen in standing groove 16.

The working principle is as follows: at first through removing inserted bar 31, make remove inserted bar 31 tip leave in circular slot 32, rotate rotatory handle 3, rotatory handle 3 drives rotatory ring 23 and rotates, rotatory ring 23 rotates and drives spacing axle 24 and rotate, spacing axle 24 drives half-round gear 22 and rotates, half-round gear 22 uses gag lever post 21 to rotate as the center, half-round gear 22 drives support column 14 through pinion rack 25 and removes, support column 14 removes along desk 1, support column 14 drives protection box 15 lift, thereby adjust the height of screen, then through removing removal inserted bar 31, make the tip insert in circular slot 32, with fixed structure, make things convenient for the teacher to teach.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a multimedia network teaching management device, includes desk (1), its characterized in that: be equipped with first groove (11) of accomodating on desk (1), it accomodates groove (12) to be equipped with the second on desk (1), it is equipped with a pair of first protection board (13) to rotate on desk (1), it is equipped with support column (14) to slide on desk (1), fixed protection box (15) that are equipped with in support column (14) upper end, standing groove (16) have been seted up to protection box (15) upper surface, desk (1) is passed to support column (14) one end, be equipped with elevating system (2) in first groove (11) of accomodating.

2. The multimedia network teaching management device according to claim 1, wherein the lifting mechanism (2) comprises a limiting rod (21), one end of the limiting rod (21) is rotatably connected with the inner wall of the first accommodating groove (11), the other end of the limiting rod (21) is fixedly provided with a semicircular gear (22), one side of the computer desk (1) is rotatably provided with a rotating ring (23), one end of the rotating ring (23) is fixedly provided with a limiting shaft (24), one end of the limiting shaft (24) is fixedly connected with one side of the semicircular gear (22), one side of the supporting column (14) is fixedly provided with a toothed plate (25), and the toothed plate (25) is meshed with the semicircular gear (22).

3. The multimedia network teaching management device as claimed in claim 2, wherein the rotating ring (23) is fixedly provided with a rotating handle (3) at a side away from the first receiving slot (11), the rotating handle (3) is slidably provided with a movable insertion rod (31), the rotating handle (3) is located at an edge position of the rotating ring (23), the movable insertion rod (31) is L-shaped, and a circular slot (32) is formed at one side of the computer table (1).

4. The multimedia network teaching management device according to claim 1, wherein a limiting ring (4) is fixed to the lower end of the supporting column (14), and the limiting ring (4), the supporting column (14) and the protection box (15) are all provided with a wire placing groove (41), wherein the wire placing groove (41) is cylindrical.

5. The multimedia network teaching management device according to claim 1, wherein a second protection board (5) is rotatably disposed on the protection box (15), a second locking block (52) is fixedly disposed at one end of the second protection board (5), a first locking block (51) is fixedly disposed at one end of the protection box (15), and both the first locking block (51) and the second locking block (52) are provided with a limiting groove (53).

6. The multimedia network teaching management device as claimed in claim 2, wherein one end of the limit shaft (24) is located at the edge of the semicircular gear (22), and the other end of the limit shaft (24) is located at the edge of the rotating ring (23).