CN113380078A

CN113380078A - Projection equipment convenient for storage and placement for computer major teaching

Info

Publication number: CN113380078A
Application number: CN202110664476.5A
Authority: CN
Inventors: 赵金币; 琚理; 戚霁
Original assignee: North China University of Science and Technology
Current assignee: North China University of Science and Technology
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-09-10

Abstract

The invention provides a computer professional teaching projection device which is convenient for storage and placement, and relates to the technical field of teaching projection devices. The projection equipment for computer professional teaching, which is easy to be stored and placed, includes a storage box, and three installation sockets are fixedly arranged on the top of the storage box, and an installation card board is fixedly arranged inside the three installation sockets, and the upper end of the installation board is A connecting column is fixedly connected, an electric cylinder is fixedly arranged in the middle of the inner top wall of the storage box, a connecting plate is fixedly connected to the lower end of the electric cylinder, and a limiting plate is fixedly connected to the lower end of the connecting plate. The invention provides projection equipment for computer professional teaching which is easy to be stored and placed. By setting a storage box, the projector is stored in the storage box, so that the storage box is in a sealed state, so as to prevent the lens and the interior of the projector body from entering dust, thereby achieving convenient The purpose of storage, and the hoisting of the storage box is more convenient, and the use is very convenient.

Description

Projection equipment convenient for storage and placement for computer major teaching

Technical Field

The invention relates to the technical field of projection equipment for teaching, in particular to projection equipment for computer major teaching, which is convenient to store and place.

Background

The projector is an optical instrument which uses optical elements to enlarge the profile of a workpiece and projects the workpiece onto a screen, can be used for measuring the profile by using transmitted light and measuring the surface shape without through holes and observing the surface of the workpiece by using reflected light, is particularly suitable for measuring complex profiles and fine workpieces such as clock parts, stamping parts, electronic elements, templates, dies, threads, gears, forming cutters and the like, has high inspection efficiency and convenient use, is widely applied to measuring rooms and production workshops, is particularly suitable for the industries of instruments, meters and clocks, is also called as a projector, is a device capable of projecting images or videos onto a screen, can be connected with computers, VCD, DVD, BD, game machines, DV and the like through different interfaces to play corresponding video signals, and is widely applied to families, offices, schools and entertainment places at present, there are different types of CRT, LCD, DLP, etc. depending on the operation mode.

At present, in the computer application specialty teaching process, the teacher often need use projection arrangement to teach the explanation, but current projection arrangement places stability not high to do not have the function of accomodating, projection arrangement is fixed for a long time and hangs on the roof, a large amount of dusts can all be accumulated with inside to projection arrangement's camera lens for a long time, thereby brought a great deal of inconvenience for the teaching, consequently, need provide a be convenient for accomodate the computer profession teaching of placing and use projection equipment to solve above-mentioned problem of proposing.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the projection equipment for computer major teaching, which is convenient to store and place, and solves the problems that the existing projection device is not high in placement stability and does not have a storage function, the projection device is fixedly hung on a wall top for a long time, and a large amount of dust is accumulated in a lens and the interior of the projection device for a long time, so that inconvenience is brought to teaching.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the projection equipment for computer major teaching convenient to store and place comprises a storage box, wherein three mounting clamping seats are fixedly arranged at the top of the storage box, mounting clamping plates are fixedly arranged inside the three mounting clamping seats, connecting columns are fixedly connected to the upper ends of the mounting clamping plates, electric cylinders are fixedly arranged in the middle of the inner top wall of the storage box, the lower ends of the electric cylinders are fixedly connected with connecting plates, the lower ends of the connecting plates are fixedly connected with limiting plates, the lower ends of the limiting plates are fixedly connected with a plurality of connecting rods, and the lower ends of the connecting rods are fixedly connected with a placement box;

it all fixes two radiator fan that are provided with, four to place case both sides wall radiator fan inside all is provided with radiator fan, place the fixed two slide rails that are provided with of incasement bottom, two the fixed motor that is provided with in slide rail rear end middle part, the output fixedly connected with threaded rod of motor, it is provided with the projecting apparatus body to place incasement portion, the fixed shock pad that is provided with of projecting apparatus body lower extreme, the fixed vibration damping mount that is provided with of shock pad lower extreme, the vibration damping mount lower extreme is provided with four pulleys, four the pulley all slides on the slide rail, the fixed image that is provided with in terminal surface middle part before the projecting apparatus body is thrown and is penetrated the mouth, the fixed radiating groove that has seted up in projecting apparatus body lateral wall rear end, the fixed signal receiver that is provided with in projecting apparatus body top.

Preferably, one end, far away from the three mounting clamping seats, of the mounting clamping plate is fixedly connected with the top of the storage box through a plurality of fixing bolts.

Preferably, the inside both sides of containing box all fixedly are provided with the guide bar, the limiting plate both ends are all fixedly provided with the direction sliding sleeve, two the direction sliding sleeve slides on two guide bars respectively.

Preferably, the storage box bottom both sides are all fixed and are provided with the draw-in groove, it all fixes and is provided with the block board to place bottom of the case portion both sides, the block board is with the fixed joint of draw-in groove.

Preferably, four cooling fans outside all is fixed and is provided with the dust screen.

Preferably, a plurality of vent holes are fixedly formed in the bottom of the placing box.

Preferably, a plurality of damping springs are fixedly arranged between the damping pad and the damping base.

Preferably, the middle part of the bottom surface of the damping base is fixedly provided with a sliding seat, and the sliding seat is in threaded sleeve joint with the threaded rod.

Preferably, the side wall of the projector body is fixedly provided with a USB interface and a loudspeaker.

The working principle is as follows: when the projection equipment for computer major teaching convenient to store and place is used, the mounting clamping plate is firstly inserted into the mounting clamping seat, then one end of the mounting clamping plate positioned at the outer side of the mounting clamping seat is fixed by using a fixing bolt, so that the storage box is hoisted at a required position, then the electric cylinder is started, the electric cylinder extends to drive the connecting plate and the connecting rod to move downwards, the storage box is accurately moved downwards through the limiting action of the limiting rod and the limiting sleeve and is adjusted to a proper position, then the motor is started, the motor rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the sliding seat to move, the sliding seat moves to drive the damping base to move, and further the projector is driven to move forwards to extend out of the storage box, the position of the projector is convenient to adjust, the damping base supports the projector and can play a role in buffering, and the heat dissipation groove can dissipate heat inside the projector, heat dissipation fan can ventilate placing the incasement portion, the circulation of incasement portion air current can be placed in the ventilation hole of cooperation bottom, in time dispel the heat for the projecting apparatus body, guarantee the safety that the projecting apparatus body used, the life of extension projecting apparatus, devices such as signal receiver and USB interface can carry out wireless connection control, connect multiple mobile device, also can connect mobile storage equipment, make the function of projecting apparatus more diversified, bring more experience for the user, the result of use is better.

(III) advantageous effects

The invention provides projection equipment for computer major teaching, which is convenient to store and place. The method has the following beneficial effects:

1. the invention provides a computer professional teaching projection device convenient for storage and placement, which is characterized in that a storage box is arranged to store a projector into the storage box, a telescopic mechanism and a guide mechanism are arranged in the storage box, the storage box can be driven to move up and down through the telescopic action of an electric cylinder during use, when the projector is used, the electric cylinder drives the storage box to move down to stretch out the storage box, then a motor drives the projector to move to stretch out the projector into the storage box, so that the projector can be used, after the projector is used, the projector can be retracted into the storage box, a card and a plate on the storage box are clamped with a clamping groove at the lower end of the storage box, so that the storage box is in a closed state, dust entering into a lens and the interior of a projector body is avoided, and the purpose of convenient storage is achieved.

2. The invention provides a projection device for computer major teaching, which is convenient to store and place.

3. The invention provides computer professional teaching projection equipment convenient to store and place, which is characterized in that a heat dissipation fan is arranged on the side wall of a placement box to ventilate the interior of the placement box, a plurality of ventilation holes at the bottom are matched to circulate air flow in the interior of the placement box, heat dissipation is timely performed on a projector body, the use safety of the projector body is ensured, and a heat dissipation groove on the side wall of the projector can also dissipate heat of the projector body, so that the heat dissipation of the projector is better, and the service life of the projector is prolonged.

4. The projector body is provided with the signal receiving device, the USB interface and other devices, wireless connection control can be performed, various mobile devices can be connected, and the mobile storage device can also be connected, so that the functions of the projector are more diversified, more experience is brought to users, and the using effect is better.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the storage box of the present invention;

FIG. 3 is a side view of the placement box of the present invention;

FIG. 4 is a front cross-sectional view of the holding box of the present invention;

fig. 5 is a side cross-sectional view of the holding box of the present invention.

Wherein, 1, a containing box; 2. installing a card seat; 3. connecting columns; 4. mounting a clamping plate; 5. fixing the bolt; 6. an electric cylinder; 7. a connecting plate; 8. a limiting plate; 9. a connecting rod; 10. a guide sliding sleeve; 11. a guide bar; 12. a card slot; 13. placing a box; 14. a clamping plate; 15. a heat radiation fan; 16. a heat radiation fan; 17. a dust screen; 18. a slide rail; 19. a vent hole; 20. a projector body; 21. an image projection port; 22. a shock pad; 23. a damping mount; 24. a pulley; 25. a damping spring; 26. a sliding seat; 27. an electric motor; 28. a threaded rod; 29. a heat sink; 30. a signal receiving device; 31. a USB interface; 32. a loudspeaker.

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. 1-5, an embodiment of the invention provides a projection device for computer major teaching, which is convenient to store and place, and comprises a storage box 1, wherein three installation clamping seats 2 are fixedly arranged at the top of the storage box 1, so that the storage box 1 is convenient to hoist, an installation clamping plate 4 is fixedly arranged inside the three installation clamping seats 2, a connecting column 3 is fixedly connected to the upper end of the installation clamping plate 4, the storage box 1 is hoisted at the top of a room, an electric cylinder 6 is fixedly arranged in the middle of the inner top wall of the storage box 1 and used for extending out and retracting a placement box 13 into the storage box 1, a connecting plate 7 is fixedly connected to the lower end of the electric cylinder 6, a limiting plate 8 is fixedly connected to the lower end of the connecting plate 7, a plurality of connecting rods 9 are fixedly connected to the lower end of the limiting plate 8, and a placement box 13 is fixedly connected to the lower ends of the connecting rods 9;

two heat dissipation fans 15 are fixedly arranged on both side walls of the placing box 13, heat dissipation fans 16 are arranged inside the four heat dissipation fans 15 and used for ventilating the inside of the placing box 13, two slide rails 18 are fixedly arranged at the bottom of the placing box 13, a motor 27 is fixedly arranged in the middle of the rear ends of the two slide rails 18, a threaded rod 28 is fixedly connected to the output end of the motor 27, a projector body 20 is arranged inside the placing box 13, a shock pad 22 is fixedly arranged at the lower end of the projector body 20 and can play a role of buffering to effectively protect the projector body 20, a shock absorption base 23 is fixedly arranged at the lower end of the shock pad 22, four pulleys 24 are arranged at the lower end of the shock absorption base 23, the four pulleys 24 all slide on the slide rails 18, an image projection port 21 is fixedly arranged in the middle of the front end face of the projector body 20, a heat dissipation groove 29 is fixedly arranged at the rear end of the side wall of the projector body 20, and the heat dissipation groove 29 can dissipate heat inside the projector body 20, the top of the projector body 20 is fixedly provided with a signal receiving device 30, which can be wirelessly connected and controlled to connect with various mobile devices.

One end of the mounting clamping plate 4 far away from the three mounting clamping seats 2 is fixedly connected with the top of the containing box 1 through a plurality of fixing bolts 5, two sides inside the containing box 1 are fixedly provided with guide rods 11, two ends of the limiting plate 8 are fixedly provided with guide sliding sleeves 10, the two guide sliding sleeves 10 respectively slide on the two guide rods 11, two sides of the bottom of the containing box 1 are fixedly provided with clamping grooves 12, two sides of the bottom of the containing box 13 are fixedly provided with clamping plates 14, the clamping plates 14 are fixedly clamped with the clamping grooves 12, the outer sides of four heat dissipation fans 15 are fixedly provided with dust screens 17, the bottom of the containing box 13 is fixedly provided with a plurality of ventilation holes 19 to assist in circulating air flow inside the containing box 13, a plurality of damping springs 25 are fixedly arranged between the damping cushion 22 and the damping base 23, the middle part of the bottom surface of the damping base 23 is fixedly provided with a sliding seat 26, and the sliding seat 26 is in threaded sleeve joint with a threaded rod 28, the side wall of the projector body 20 is fixedly provided with a USB interface 31 and a speaker 32.

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. Projection equipment for computer professional teaching, which is convenient for storage and placement, including a storage box (1), characterized in that: the top of the storage box (1) is fixedly provided with three mounting sockets (2), and the three mounting sockets are (2) An installation card plate (4) is fixedly arranged inside, the upper end of the installation card plate (4) is fixedly connected with a connecting column (3), and an electric cylinder (6) is fixedly arranged in the middle of the inner top wall of the storage box (1). ), the lower end of the electric cylinder (6) is fixedly connected with a connecting plate (7), the lower end of the connecting plate (7) is fixedly connected with a limit plate (8), and the lower end of the limit plate (8) is fixedly connected with a plurality of connecting rods (9), a placing box (13) is fixedly connected to the lower ends of the plurality of connecting rods (9);

Two cooling fans (15) are fixedly arranged on both side walls of the placing box (13), and cooling fans (16) are arranged inside the four cooling fans (15), and the bottom of the placing box (13) is Two sliding rails (18) are fixedly arranged, a motor (27) is fixedly arranged in the middle of the rear end of the two sliding rails (18), and the output end of the motor (27) is fixedly connected with a threaded rod (28), so A projector body (20) is arranged inside the placing box (13), a shock-absorbing pad (22) is fixedly arranged at the lower end of the projector body (20), and a shock-absorbing base is fixedly arranged at the lower end of the shock-absorbing pad (22). (23), the lower end of the shock-absorbing base (23) is provided with four pulleys (24), and the four pulleys (24) all slide on the slide rail (18), and the front surface of the projector body (20) An image projection port (21) is fixedly arranged in the middle, a heat dissipation groove (29) is fixedly opened at the rear end of the side wall of the projector body (20), and a signal receiving device (30) is fixedly arranged on the top of the projector body (20). .

2. The projection device for computer professional teaching according to claim 1, characterized in that: one end of the mounting card plate (4) away from the three mounting card seats (2) passes through a plurality of fixing bolts (5). ) is fixedly connected to the top of the storage box (1).

3. The projection device for computer professional teaching that is convenient for storage and placement according to claim 1, characterized in that: both sides of the storage box (1) are fixedly provided with guide rods (11), and the limit plate ( 8) Guide sliding sleeves (10) are fixed on both ends, and the two guide sliding sleeves (10) slide on the two guide rods (11) respectively.

4. The projection device for computer professional teaching that is convenient for storage and placement according to claim 1, characterized in that: both sides of the bottom of the storage box (1) are fixedly provided with card slots (12), and the storage box (13) ) Both sides of the bottom are fixedly provided with a snap plate (14), and the snap plate (14) is fixedly snapped with the snap slot (12).

5. The projection device for computer professional teaching, which is convenient for storage and placement, according to claim 1, characterized in that: dust-proof nets (17) are fixed on the outer sides of the four cooling fans (15).

6. The projection device for computer professional teaching, which is convenient for storage and placement, according to claim 1, wherein a plurality of ventilation holes (19) are fixedly opened at the bottom of the placement box (13).

7. The projection device for computer professional teaching that is easy to store and place according to claim 1, characterized in that: a plurality of shock-absorbing springs ( 25).

8. The projection device for computer professional teaching that is convenient for storage and placement according to claim 1, wherein a sliding seat (26) is fixedly arranged in the middle of the bottom surface of the shock-absorbing base (23), and the sliding seat (26) Threaded socket with threaded rod (28).

9 . The projection device for computer professional teaching according to claim 1 , wherein the side wall of the projector body ( 20 ) is fixedly provided with a USB interface ( 31 ) and a speaker ( 32 ). 10 .