CN111311978A - Demonstration device convenient to adjust for computer network development - Google Patents

Abstract

The invention relates to the technical field of computer network development, and discloses a demonstration device for computer network development that is easy to adjust. A demonstration frame is rotatably connected, the lower wall of the demonstration frame is provided with a spring column extending into the groove, a rotating shaft 1 is rotatably connected on the left wall of the inner cavity of the demonstration frame, a display screen is arranged on the rotating shaft 1, and the right end of the rotating shaft 1 is provided with a rotating shaft 1. Symmetrical arc slot. This computer network development is an easy-to-adjust demonstration device. The rubber strip drives the display screen to tilt, and the demonstration frame uses a spring column to rotate within the allowable range. With the pull-out and insertion of the writing pen, the tilting state of the whiteboard is controlled, and the isolation cloth is set. It achieves the effects of being convenient for users to use, improving the convenience of the device, improving the practicability, rationally utilizing the space, and preventing dust from falling into the placing slot when the device is not working.

Description

An easily adjustable demonstration device for computer network development

technical field

The invention relates to the technical field of computer network development, in particular to an easily adjustable demonstration device for computer network development.

Background technique

Computer network technology is the product of the combination of communication technology and computer technology. In the development process of computer network technology, in order to let others know more about the computer network technology developed by developers, it is necessary to carry out this technology for others before promoting the technology. Demonstration and explanation, so you need to use a demonstration device.

At present, most of the demonstration devices used in the market for computer network technology do not have the function of adjusting the angle, or the function of adjusting the angle is still not perfect, which leads to the low convenience of using such devices, and some devices are equipped with When presenting, a whiteboard for writing key information. After adjusting the tilt angle of the whiteboard, it is inconvenient for users to write, which leads to low practicability. In addition, general devices will be equipped with a placement board or slot for notebooks, which is not easy to use. When in use, it cannot be stored, resulting in the occupation of space, and there is no shelter such as tarpaulin on the placement slot, so that when the demonstration device is not used for a long time, a lot of dust will accumulate on it, which will affect the placement of the notebook in the later period. Therefore, a demonstration device that is easy to adjust for the development of computer network technology is proposed.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the shortcomings of the prior art, the present invention provides a demonstration device for computer network development that is easy to adjust, which has the advantages of improving the convenience of the device, improving the practicability, rationally using space, and preventing dust from falling into the placing slot when the device is not working. The advantage is to solve the problems of low installation convenience, low practicability, unreasonable use of space, and dust falling into the placement slot when the general computer network development demonstration device is not working.

(2) Technical solutions

In order to achieve the above-mentioned purposes of improving the convenience of the device, improving the practicability, rationally using the space, and preventing dust from falling into the placing slot when the device is not working, the present invention provides the following technical solutions: a demonstration device for computer network development that is easy to adjust, It includes a base, the bottom of the base is provided with a universal wheel, the top of the base is provided with a telescopic rod, the upper end of the telescopic rod is provided with a mounting plate, the outer side of the upper end of the mounting plate is provided with an annular groove, and the inner side of the upper end of the mounting plate is provided with a uniform The groove, the upper part of the installation plate is connected with a demo frame, the lower wall of the demo frame is provided with a clamping block extending into the annular groove, the lower wall of the demo frame is provided with a spring column extending into the groove, and the inner cavity of the demo frame is provided with A rotating shaft 1 is rotatably connected to the left wall, a display screen is arranged on the rotating shaft 1, a symmetrical arc-shaped groove is opened on the right end of the rotating shaft 1, and a rotating shaft 2 extending into the arc-shaped groove is rotatably connected to the right wall of the inner cavity of the demonstration frame. A spring 1 is arranged between the second rotating shaft and the inner wall of the arc-shaped groove. The rotating shaft 2 is provided with a white board. The upper end of the white board is provided with a symmetrical magnet 1. The front end of the white board is slidably connected with a wiper strip. An arc plate is arranged above the whiteboard, a symmetrical electromagnet is arranged at the lower end of the arc plate, a pen holder is fixedly installed on the right side of the presentation frame, a writing pen is movably inserted into the pen holder, and a magnet sheet is arranged on the right side of the writing pen. The upper part of the pen holder is provided with a horizontal slot, the inner cavity of the horizontal slot is slidably connected with a slider, a second spring is arranged between the slider and the right wall of the inner cavity of the horizontal slot, a second magnet is arranged on the left side of the slider, and the lower end of the slider is Metal balls are arranged, metal sheets are arranged on the lower wall of the inner cavity of the transverse groove, a sleeve is fixedly inserted into the left wall of the demonstration frame, and a rubber strip extending to the rear end of the display screen is arranged in the inner cavity of the sleeve. A threaded plug is arranged at one end away from the display screen, a placing plate is rotatably connected in front of the lower part of the mounting plate, a winding roller is arranged at the front of the placing plate, an isolation cloth is arranged on the winding roller, and a counterweight ball is arranged at the lower end of the isolation cloth. The upper middle of the base is provided with a vertical plate, the left end of the vertical plate is provided with a fixed sleeve, the left side of the placing plate is rotatably connected with a connecting rod extending into the fixed sleeve, and the left end of the vertical plate is provided with a cam.

Preferably, the inner cavity of the annular groove is provided with a symmetrical buffer block, and the buffer block is used to limit and buffer the clamping block at the lower part of the demonstration frame when it rotates.

Preferably, the front end of the whiteboard is provided with a sliding rail matching the wiper bar, and when the presentation on the whiteboard needs to be wiped off, the movable wiper bar moves along the slide rail.

Preferably, after the electromagnet is energized, the magnetism of the adjacent surface of the corresponding magnet 1 is the same, and the two repel each other, and the repulsive force is far greater than the elastic force of the spring 1.

Preferably, the surface magnetism of the magnet piece and the magnet two adjacent to each other are the same, and they repel each other.

Preferably, the front end of the placement board and the rear of the isolation cloth are provided with a placement slot, and the laptop computer can be placed in the placement slot.

(3) Beneficial effects

Compared with the prior art, the present invention provides a demonstration device that is easy to adjust for computer network development, and has the following beneficial effects:

1. This computer network development is a demonstration device that is easy to adjust. When in use, push the whole to a suitable place, lock the universal wheel, and adjust the telescopic rod to meet the height of the user's needs, so as to achieve convenience. Effects used by users.

2. This computer network development uses a demonstration device that is easy to adjust. By rotating and fine-tuning the handle, the threaded plug can be rotated accordingly, and the threaded plug will drive the rubber strip to pull or push the lower part of the display screen, so that the display screen and the whiteboard have corresponding Tilt, so that the audience can get a better viewing angle. If necessary, with the swing of the presentation frame, the lower spring posts can be snapped into different grooves, and the display screen and the whiteboard can be faced in different directions, so as to achieve It has the effect of improving the convenience of the installation.

3. The computer network development uses a demonstration device that is easy to adjust. By turning on the switch of the metal sheet circuit, when the display screen drives the whiteboard to tilt together, the user takes out the writing pen at this time. Under the action of the second, it is driven by the slider to reset to the left, the metal ball under the slider contacts the metal sheet, the circuit is connected, the corresponding electromagnet is activated, and the first magnet is repelled, and the first magnet drives the whiteboard to restore the vertical state. , which is convenient for users to write on the whiteboard, thereby achieving the effect of improving practicability.

4. This computer network development uses a demonstration device that is easy to adjust. By starting the driving device during use, it drives the cam to rotate, and the cam rotates to lift the connecting rod. When the user places the notebook computer and does not use the device, the driving device can be activated again to drive the cam to rotate, and the connecting rod can be put down, and the connecting rod will then put down the placing plate correspondingly, thereby achieving the effect of rational use of space.

5. This computer network development uses a demonstration device that is easy to adjust. By setting a weight ball under the isolation cloth, when the placing plate is hung down and not in use, the weight ball uses its own gravity to pull the isolation cloth from the winding roller, and the cover is closed. Above the placing groove, prevent dust from falling into it. When the placing plate is used and the placing plate is in a horizontal state, under the action of the torsion spring, the winding roller makes the ball roll in the chute and drives the isolation cloth to rewind. The placement slot is exposed, thereby achieving the effect of preventing dust from falling into the placement slot when the device is not working.

Description of drawings

Fig. 1 is the front view of the present invention;

Fig. 2 is the top sectional view of connecting parts such as sleeves of the present invention;

Fig. 3 is the front sectional view of connecting parts such as pen holder of the present invention;

Fig. 4 is the front view of the connection part such as isolation cloth of the present invention;

Fig. 5 is the left side view of the connecting part such as the arc plate of the present invention;

Fig. 6 is the left sectional view of the first-class connecting part of the rotating shaft of the present invention;

Fig. 7 is the top view of the connection parts such as the mounting plate of the present invention;

FIG. 8 is a bottom view of the connecting parts such as the demonstration frame of the present invention.

In the picture: 1- base, 2- universal wheel, 3- telescopic rod, 4- mounting plate, 5- ring groove, 6- groove, 7- demo box, 8- block, 9- spring column, 10- Shaft 1, 11-display screen, 12-arc slot, 13-spindle 2, 14-spring 1, 15-white board, 16-magnet 1, 17-wipe strip, 18-arc board, 19-electromagnet, 20 -pen holder, 21-writing pen, 22-magnet piece, 23-horizontal groove, 24-slider, 25-spring 2, 26-magnet 2, 27-metal ball, 28-metal piece, 29-sleeve, 30- Rubber strip, 31-threaded plug, 32-placement plate, 33-winding roller, 34-isolation cloth, 35-weight ball, 36-rising plate, 37-fixed sleeve, 38-connecting rod, 39-cam.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figure 1-8, a demonstration device for computer network development that is easy to adjust, including a base 1, a universal wheel 2 is arranged below the base 1, a telescopic rod 3 is arranged above the base 1, and the upper end of the telescopic rod 3 is arranged There is a mounting plate 4, an annular groove 5 is provided on the outer side of the upper end of the mounting plate 4, and the inner cavity of the annular groove 5 is provided with a symmetrical buffer block. Position buffering, the inner side of the upper end of the installation plate 4 is provided with a uniform groove 6, the upper part of the installation plate 4 is rotatably connected with a demonstration frame 7, and the lower wall of the demonstration frame 7 is provided with a block 8 extending into the annular groove 5, the demonstration frame The lower wall of 7 is provided with a spring column 9 extending into the groove 6, the left wall of the inner cavity of the demonstration frame 7 is rotatably connected with a rotating shaft one 10, the rotating shaft one 10 is provided with a display screen 11, and the right end of the rotating shaft one 10 is provided with a Symmetrical arc-shaped groove 12, the right wall of the inner cavity of the demonstration frame 7 is rotatably connected with a rotating shaft 2 13 extending into the arc-shaped groove 12, a spring one 14 is arranged between the rotating shaft 2 13 and the inner wall of the arc-shaped groove 12, and the rotating shaft The whiteboard 15 is provided on the second 13, and the front end of the whiteboard 15 is provided with a slide rail matching the wiper strip 17. When the presentation on the whiteboard 15 needs to be wiped off, the movable wiper strip 17 moves along the slide rail, and the upper end of the whiteboard 15 A symmetrical magnet 16 is provided, the front end of the whiteboard 15 is slidably connected with a wiper strip 17, the upper wall of the inner cavity of the demonstration frame 7 and above the whiteboard 15 is provided with an arc-shaped plate 18, and the lower end of the arc-shaped plate 18 is provided with a symmetrical The electromagnet 19, after the electromagnet 19 is energized, has the same magnetic properties as the adjacent surface of the corresponding magnet one 16, and the two repel each other, and the repulsive force of this stock is far greater than the elastic force of the spring one 14. The right side of the demo frame 7 is fixedly installed with a pen holder 20. A writing pen 21 is movably inserted into the pen holder 20. The upper end of the writing pen 21 is provided with an elastic cord extending to the pen holder 20, which can prevent the writing pen 21 from being lost. The right side of the writing pen 21 is provided with a magnet sheet 22. 22 and magnet two 26 have the same surface magnetism, and they repel each other. The upper part of the pen holder 20 is provided with a transverse slot 23, and the inner cavity of the transverse slot 23 is slidably connected with a slider 24. The inner cavity of the slider 24 and the transverse slot 23 is right A second spring 25 is arranged between the walls, a second magnet 26 is arranged on the left side of the slider 24, a metal ball 27 is arranged at the lower end of the slider 24, and a metal sheet 28 is arranged on the lower wall of the inner cavity of the transverse slot 23. A sleeve 29 is fixedly inserted on the left wall, the inner cavity of the sleeve 29 is provided with a thread matching the threaded plug 31, and the inner cavity of the sleeve 29 is provided with a rubber strip 30 extending to the rear end of the display screen 11. And the end away from the display screen 11 is provided with a threaded plug 31, the threaded plug 31 is provided with a rotary handle, a placing plate 32 is rotatably connected in front of the lower part of the mounting plate 4, and the front end of the placing plate 32 is located at the rear of the isolation cloth 34. A placement slot, a notebook computer can be placed in the placement slot, the front part of the placement plate 32 is provided with a winding roller 33, the winding roller 33 is provided with an isolation cloth 34, the lower end of the isolation cloth 34 is provided with a counterweight ball 35, and the middle of the upper end of the base 1 A vertical plate 36 is provided, and the left end of the vertical plate 36 is provided with a fixing sleeve 37, A connecting rod 38 extending into the fixing sleeve 37 is rotatably connected to the left side of the placing plate 32 , and a cam 39 is provided at the left end of the vertical plate 36 .

Working principle: This computer network development uses a demonstration device that is easy to adjust. When in use, push the whole to a suitable place, lock the universal wheel 2, and adjust the telescopic rod 3 to meet the height of the user's needs, and then Rotate and fine-tune the handle to make the threaded plug 31 rotate accordingly, and the threaded plug 31 drives the rubber strip 30 to pull or push the lower part of the display screen 11, so that the display screen 11 and the whiteboard 15 are tilted accordingly, so that the audience can get better If necessary, the display frame 11 and the whiteboard 15 can be faced in different directions by swinging the demonstration frame 7 so that the spring posts 9 at the lower part are snapped into different grooves 6, and the display screen 11 and the whiteboard 15 can be faced in different directions during use. By turning on the switch of the circuit of the metal sheet 28, when the display screen 11 drives the whiteboard 15 to tilt together, the user takes out the writing pen 21 at this time, and the second magnet 26, which was originally under the action of the magnetic force, is immediately slid under the action of the second spring 25. The block 24 is driven to reset to the left, the metal ball 27 under the slider 24 contacts the metal sheet 28, the circuit is connected, the corresponding electromagnet 19 is activated, repelling the magnet one 16, and the magnet one 16 then drives the whiteboard 15 to restore vertical The state is convenient for the user to write on the whiteboard 15. After the writing is completed, the user inserts the writing pen 21 on the pen holder 20, the magnet piece 22 and the second magnet 26 repel each other, and the second magnet 26 then drives the slider 24 to the right Squeeze the spring 25 and move, the metal ball 27 is separated from the metal sheet 28, the electromagnet 19 is powered off, and the whiteboard 15 returns to the original inclined state. In addition, the cam 39 can be driven to rotate by starting the driving device during use, and the cam 39 rotates. Then, the connecting rod 38 is lifted, and the connecting rod 38 will lift the placing plate 32 to make it in a horizontal state, so that the user can place the notebook computer and connect it with the display screen 11. When the device is not in use, it can be used again. Actuating the driving device drives the cam 39 to rotate, lowers the connecting rod 38, and the connecting rod 38 lowers the placing plate 32 accordingly. When in use, the weight ball 35 uses its own gravity to pull down the isolation cloth 34 from the winding roller 33 and cover it on the top of the placing slot to prevent dust from falling. Under the action of the torsion spring, the roller 33 makes the weight ball 35 roll in the chute, and drives the isolation cloth 34 to roll up, exposing the placement groove, thereby achieving the convenience of the user, improving the convenience of the device, and improving the practicability , Reasonable use of space, the effect of preventing dust from falling into the placement slot when the device is not working.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a presentation device that computer network development was used and is convenient for adjust, includes base (1), its characterized in that: the universal wheel (2) is arranged below the base (1), the telescopic rod (3) is arranged above the base (1), the mounting plate (4) is arranged at the upper end of the telescopic rod (3), the annular groove (5) is formed in the outer side of the upper end of the mounting plate (4), the uniform groove (6) is formed in the inner side of the upper end of the mounting plate (4), the demonstration frame (7) is rotatably connected above the mounting plate (4), the lower wall of the demonstration frame (7) is provided with the clamping block (8) extending into the annular groove (5), the lower wall of the demonstration frame (7) is provided with the spring column (9) extending into the groove (6), the left wall of the inner cavity of the demonstration frame (7) is rotatably connected with the first rotating shaft (10), the display screen (11) is arranged on the first rotating shaft (10), the symmetrical arc-shaped grooves (12) are formed in the right end of the first rotating shaft (10), the second rotating shaft (13) extending into the arc, a first spring (14) is arranged between a second rotating shaft (13) and the inner wall of the arc-shaped groove (12), a white board (15) is arranged on the second rotating shaft (13), symmetrical first magnets (16) are arranged at the upper end of the white board (15), an erasing strip (17) is connected at the front end of the white board (15) in a sliding manner, an arc-shaped plate (18) is arranged on the upper wall of the inner cavity of the demonstration frame (7) and above the white board (15), symmetrical electromagnets (19) are arranged at the lower end of the arc-shaped plate (18), a pen holder (20) is fixedly arranged at the right side of the demonstration frame (7), a writing pen (21) is movably inserted into the pen holder (20), a magnet sheet (22) is arranged at the right side of the writing pen (21), a transverse groove (23) is formed in the upper part of the pen holder (20), a sliding block (24) is connected with the inner cavity of the transverse groove (23) in a sliding, a second magnet (26) is arranged on the left side of the sliding block (24), a metal ball (27) is arranged at the lower end of the sliding block (24), a metal sheet (28) is arranged on the lower wall of an inner cavity of the transverse groove (23), a sleeve (29) is fixedly inserted on the left wall of the demonstration frame (7), a rubber strip (30) extending to the rear end of the display screen (11) is arranged in the inner cavity of the sleeve (29), a threaded plug (31) is arranged at one end, far away from the display screen (11), on the rubber strip (30), a placing plate (32) is rotatably connected in front of the lower part of the mounting plate (4), a winding roller (33) is arranged in front of the placing plate (32), an isolation cloth (34) is arranged on the winding roller (33), a counterweight ball (35) is arranged at the lower end of the isolation cloth (34), a vertical plate (36) is arranged in the middle of the upper end of the base (1), a fixing sleeve (37) is arranged at the left end of the vertical, the left end of the vertical plate (36) is provided with a cam (39).

2. An adjustable demonstration device for computer network development according to claim 1 wherein: and symmetrical buffer blocks are arranged in the inner cavity of the annular groove (5).

3. An adjustable demonstration device for computer network development according to claim 1 wherein: the front end of the white board (15) is provided with a slide rail matched with the wiping strip (17).

4. An adjustable demonstration device for computer network development according to claim 1 wherein: and after the electromagnet (19) is electrified, the magnetism of the adjacent surface of the electromagnet is the same as that of the corresponding magnet I (16).

5. An adjustable demonstration device for computer network development according to claim 1 wherein: the magnetic sheet (22) and the adjacent surface of the second magnet (26) have the same magnetism.

6. An adjustable demonstration device for computer network development according to claim 1 wherein: the front end of the placing plate (32) and the rear part of the isolation cloth (34) are provided with placing grooves.

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