CN213550371U

CN213550371U - Computer teaching lectern

Info

Publication number: CN213550371U
Application number: CN202022340779.5U
Authority: CN
Inventors: 李永亮
Original assignee: Shandong Transport Vocational College
Current assignee: Shandong Transport Vocational College
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-29
Anticipated expiration: 2030-10-20

Abstract

The utility model belongs to the technical field of the teaching equipment, especially, computer teaching lectern to the lectern of current computer teaching usefulness when using the computer, can not carry out fine placing to the computer, leads to the computer to glue the dust easily, ageing with higher speed, and can not keep apart the protection to the computer when placing, leads to the problem that the student bumped easily, the scheme as follows is put forward now, and it includes the casing, one side of casing is equipped with the opening, the top fixed mounting of casing has the operation panel, it is connected with the screw rod that two symmetries set up to rotate on the inner wall of casing, fixed mounting has the motor on the bottom inner wall of casing, and the output shaft and two screw rod transmissions of motor are connected, and threaded connection has same movable plate on two screw rods. The utility model is simple in operation, convenient to use can seal the protection to display screen and host computer, can also dispel the heat to the host computer simultaneously, and the people of being convenient for use.

Description

Computer teaching lectern

Technical Field

The utility model relates to a teaching equipment technical field especially relates to a computer teaching lectern.

Background

With the development of science and technology, computers have been used in teaching as an indispensable tool. The computer teaching mode is greatly different from the traditional teaching mode, and many textbooks require teachers to perform on-site operation demonstration on the computer, so that students can better master the textbooks.

The existing teacher desk for computer teaching can not well place a computer when the computer is used, so that the computer is easily stuck with dust, aging is accelerated, and the computer can not be isolated and protected when being placed, so that students can easily break.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the lectern of current computer teaching usefulness when using the computer, can not carry out fine placing to the computer, lead to the computer to glue the dust easily, ageing with higher speed, and can not keep apart the protection to the computer when placing, lead to the student to bump the shortcoming of damage easily, and a computer teaching lectern that proposes.

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

a computer teaching lectern comprises a shell, wherein one side of the shell is provided with an opening, the top of the shell is fixedly provided with an operation plate, the inner wall of the shell is rotatably connected with two symmetrically arranged screw rods, the inner wall of the bottom of the shell is fixedly provided with a motor, an output shaft of the motor is in transmission connection with the two screw rods, the two screw rods are in threaded connection with a same movable plate, the top of the movable plate is fixedly provided with a support plate, the support plate is fixedly provided with a display screen, the inner wall of the shell is fixedly provided with a separation plate, one side of the separation plate is fixedly provided with a placing box, the placing box is connected with a placing frame in a sliding manner, the separation plate is fixedly provided with an air guide pipe, one side of the shell is provided with an air outlet, the inner wall of the air outlet is fixedly, one end of the rotating rod is fixedly provided with a fan blade, and the fan blade is matched with the air outlet hole.

Preferably, the output shaft of the motor is fixedly sleeved with a first chain wheel, the two screws are fixedly sleeved with second chain wheels, the first chain wheel and the two second chain wheels are meshed with a same chain, and the output shaft of the motor can drive the two screws to rotate simultaneously through the mutual meshing of the first chain wheel, the two second chain wheels and the chain.

Preferably, the outside of bull stick is rotated the cover and is equipped with the location case, and the output shaft of location case and motor rotates and is connected, and fixed mounting has first conical gear on the output shaft of motor, and fixed cover is equipped with second conical gear on the bull stick, first conical gear and second conical gear intermeshing, and the output shaft of motor can drive the bull stick through the intermeshing of first conical gear and second conical gear and rotate.

Preferably, swing joint has the buffer board on the screw rod, and the top fixed mounting of buffer board has buffer spring, buffer spring's top and operation panel fixed connection, and buffer spring can cushion and reset the movable plate through the buffer board.

Preferably, the standing groove has been seted up at the top of operation panel, and sliding connection has the apron on the inner wall of standing groove, apron and backup pad fixed connection, and the setting of apron and standing groove can protect and seal the display screen, can also make things convenient for the teacher to normally operate simultaneously.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the first chain wheel, the two second chain wheels and the chain are meshed with each other, so that the output shaft of the motor can drive the two screw rods to rotate simultaneously, and the display screen is driven to move out of the shell for use through threaded connection of the screw rods and the moving plate;

(2) because the intermeshing of first conical gear and second conical gear for the output shaft of motor can drive the bull stick and rotate, and then drives the flabellum and dispels the heat to the host computer of placing in the box, and the people of being convenient for use.

The utility model is simple in operation, convenient to use can seal the protection to display screen and host computer, can also dispel the heat to the host computer simultaneously, and the people of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a computer teaching lectern provided by the present invention;

fig. 2 is a schematic side view of a computer teaching lectern according to the present invention;

fig. 3 is a schematic structural diagram of a part a of the teaching desk of the present invention.

In the figure: the device comprises a shell 1, an operating panel 2, a screw rod 3, a moving plate 4, a supporting plate 5, a display screen 6, a cover plate 7, a placing groove 8, a buffer spring 9, a buffer plate 10, a motor 11, a partition plate 12, an air guide pipe 13, a fixed rod 14, a positioning box 15, a rotating rod 16, fan blades 17, an air outlet 18, a filter plate 19, a placing box 20 and a placing rack 21.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, a computer teaching desk comprises a housing 1, an opening is provided at one side of the housing 1, an operation panel 2 is fixedly installed at the top of the housing 1, two symmetrically arranged screws 3 are rotatably connected to the inner wall of the housing 1, a motor 11 is fixedly installed at the inner wall of the bottom of the housing 1, an output shaft of the motor 11 is in transmission connection with the two screws 3, the two screws 3 are in threaded connection with a same moving plate 4, a support plate 5 is fixedly installed at the top of the moving plate 4, a display screen 6 is fixedly installed on the support plate 5, a partition plate 12 is fixedly installed at the inner wall of the housing 1, a placing box 20 is fixedly installed at one side of the partition plate 12, a placing frame 21 is slidably connected in the placing box 20, an air guide pipe 13 is fixedly installed on the partition plate 12, an air outlet 18 is provided at, the inner wall of the air guide pipe 13 is fixedly provided with a fixed rod 14, the fixed rod 14 is rotatably connected with a rotating rod 16, one end of the rotating rod 16 is fixedly provided with a fan blade 17, and the fan blade 17 is matched with the air outlet 18.

In this embodiment, the output shaft of the motor 11 is fixedly sleeved with a first chain wheel, the two screws 3 are fixedly sleeved with second chain wheels, and the first chain wheel and the two second chain wheels are engaged with a same chain.

In this embodiment, the outer side of the rotating rod 16 is rotatably sleeved with the positioning box 15, the positioning box 15 is rotatably connected with the output shaft of the motor 11, the output shaft of the motor 11 is fixedly provided with a first bevel gear, the rotating rod 16 is fixedly sleeved with a second bevel gear, and the first bevel gear and the second bevel gear are meshed with each other.

In this embodiment, swing joint has buffer board 10 on the screw rod 3, and buffer spring 9 is fixed to the top fixed mounting of buffer board 10, and buffer spring 9's top and operation panel 2 fixed connection.

In this embodiment, standing groove 8 has been seted up at the top of operation panel 2, and sliding connection has apron 7 on standing groove 8's the inner wall, apron 7 and backup pad 5 fixed connection.

Example two

Referring to fig. 1-3, a computer teaching desk comprises a shell 1, an opening is arranged on one side of the shell 1, an operation plate 2 is welded on the top of the shell 1, two symmetrically arranged screw rods 3 are rotatably connected on the inner wall of the shell 1, a motor 11 is fixed on the inner wall of the bottom of the shell 1 through bolts, the output shaft of the motor 11 is in transmission connection with the two screw rods 3, a same moving plate 4 is in threaded connection with the two screw rods 3, a support plate 5 is welded on the top of the moving plate 4, a display screen 6 is welded on the support plate 5, a partition plate 12 is welded on the inner wall of the shell 1, a placing box 20 is welded on one side of the partition plate 12, a placing frame 21 is slidably connected in the placing box 20, an air guide pipe 13 is welded on the partition plate 12, an air outlet 18 is arranged on one side of the shell 1, the fixed rod 14 is rotatably connected with a rotating rod 16, one end of the rotating rod 16 is welded with a fan blade 17, and the fan blade 17 is matched with the air outlet 18.

In this embodiment, fixed cover is equipped with first sprocket on motor 11's the output shaft, and fixed cover is equipped with the second sprocket on two screw rods 3, and the meshing has same chain on first sprocket and two second sprockets, and motor 11's output shaft can drive two screw rods 3 and rotate simultaneously through the intermeshing of first sprocket, two second sprockets and chain.

In this embodiment, the outside of bull stick 16 is rotated the cover and is equipped with location case 15, and location case 15 rotates with the output shaft of motor 11 to be connected, and the welding has first conical gear on the output shaft of motor 11, and the fixed cover is equipped with second conical gear on the bull stick 16, first conical gear and second conical gear intermeshing, and the output shaft of motor 11 can drive bull stick 16 through the intermeshing of first conical gear and second conical gear and rotate.

In this embodiment, swing joint has buffer board 10 on the screw rod 3, and buffer spring 9 has been welded at the top of buffer board 10, and buffer spring 9's top and operation panel 2 fixed connection, buffer spring 9 can cushion and reset moving plate 4 through buffer board 10.

In this embodiment, standing groove 8 has been seted up at the top of operation panel 2, and sliding connection has apron 7 on standing groove 8's the inner wall, apron 7 and 5 fixed connection of backup pad, apron 7 can protect and seal display screen 6 with standing groove 8's setting, can also make things convenient for the teacher to normally operate simultaneously.

In the embodiment, when the computer is used, a host of the computer is placed on the placing rack 21, the host is moved into the placing box 20 by pushing the placing rack 21 for sealing protection, when the computer is needed, the motor 11 is started to be switched on and off, the output shaft of the motor 11 drives the two screw rods 3 to rotate through the mutual meshing of the first chain wheel, the two second chain wheels and the chain, the screw rods 3 drive the moving plate 4 to move through the threaded connection with the moving plate 4, the moving plate 4 drives the supporting plate 5 to move, the supporting plate 5 drives the display screen 6 and the cover plate 7 to move upwards, so that the display screen 6 is moved out of the shell 1, when the moving plate 4 moves to a certain position, the threads on the screw rods 3 are finished, and the buffer springs 9 are in a compressed state, when the screw rods 3 rotate reversely, the buffer springs 9 can drive the moving plate 4 to form threaded connection with, meanwhile, the output shaft of the motor 11 drives the rotating rod 16 to rotate through the mutual meshing of the first bevel gear and the second bevel gear, the rotating rod 16 drives the fan blades 17 to rotate, and the rotating fan blades 17 form air flow, so that the host in the placing box 20 is cooled, and the use of people is facilitated. All structures in this application can carry out the selection of material and length according to actual use condition, and the attached drawing is the schematic diagram, and its specific size and proportion need adjust according to actual conditions, and the adjustment and the change of adaptation can be carried out according to actual conditions to its inside electric elements that relates.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A computer teaching lectern comprises a shell (1) and is characterized in that one side of the shell (1) is provided with an opening, an operation board (2) is fixedly mounted at the top of the shell (1), two symmetrical screw rods (3) are rotatably connected to the inner wall of the shell (1), a motor (11) is fixedly mounted on the inner wall of the bottom of the shell (1), an output shaft of the motor (11) is in transmission connection with the two screw rods (3), the two screw rods (3) are in threaded connection with a same movable plate (4), a support plate (5) is fixedly mounted at the top of the movable plate (4), a display screen (6) is fixedly mounted on the support plate (5), a partition plate (12) is fixedly mounted on the inner wall of the shell (1), a placement box (20) is fixedly mounted at one side of the partition plate (12), and a placement rack (21) is slidably connected with the placement, the air guide pipe is characterized in that an air guide pipe (13) is fixedly mounted on the partition plate (12), an air outlet (18) is formed in one side of the shell (1), a filter plate (19) is fixedly mounted on the inner wall of the air outlet (18), a fixed rod (14) is fixedly mounted on the inner wall of the air guide pipe (13), a rotating rod (16) is rotatably connected onto the fixed rod (14), a fan blade (17) is fixedly mounted at one end of the rotating rod (16), and the fan blade (17) is matched with the air outlet (18).

2. The computer teaching lectern of claim 1, wherein the output shaft of the motor (11) is fixedly sleeved with a first chain wheel, the two screws (3) are fixedly sleeved with a second chain wheel, and the first chain wheel and the two second chain wheels are meshed with the same chain.

3. The computer teaching lectern of claim 1, wherein a positioning box (15) is rotatably sleeved on the outer side of the rotating rod (16), the positioning box (15) is rotatably connected with an output shaft of the motor (11), a first bevel gear is fixedly mounted on the output shaft of the motor (11), a second bevel gear is fixedly sleeved on the rotating rod (16), and the first bevel gear and the second bevel gear are meshed with each other.

4. The computer teaching lectern of claim 1, wherein the screw (3) is movably connected with a buffer plate (10), a buffer spring (9) is fixedly mounted at the top of the buffer plate (10), and the top end of the buffer spring (9) is fixedly connected with the operation board (2).

5. The computer teaching lectern of claim 1, wherein a placing groove (8) is formed in the top of the operation board (2), a cover plate (7) is connected to the inner wall of the placing groove (8) in a sliding manner, and the cover plate (7) is fixedly connected with the support plate (5).