CN111311978A

CN111311978A - Demonstration device convenient to adjust for computer network development

Info

Publication number: CN111311978A
Application number: CN202010186771.XA
Authority: CN
Inventors: 徐丹
Original assignee: Zhejiang Zhiguantong Network Technology Co Ltd
Current assignee: Luoyang Normal University
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-06-19
Anticipated expiration: 2040-03-17
Also published as: CN111311978B

Abstract

The invention relates to the technical field of computer network development and discloses a demonstration device convenient to adjust for computer network development. This presentation device that computer network development was adjusted with being convenient for drives the display screen slope through the rubber strip, and the demonstration frame utilizes the spring post in the permission internal rotation, and the slope state of control blank is set up the spacer cloth in the extraction and the insertion of cooperation writing pen to reached convenience of customers use, promoted the device convenience, improved practicality, rational utilization space, the device is out of work when avoiding the dust to fall into the effect in the standing groove.

Description

Demonstration device convenient to adjust for computer network development

Technical Field

The invention relates to the technical field of computer network development, in particular to a conveniently-adjusted demonstration device for computer network development.

Background

The computer network technology is a product combining communication technology and computer technology, and in the development process of the computer network technology, in order to enable others to know the computer network technology developed by developers more, the demonstration and explanation of the technology need to be carried out on others before the technology is popularized, so that a demonstration device needs to be used.

At present, most of demonstration devices for computer network technology in the market do not have the function of adjusting angles, or the function of adjusting angles is still imperfect, so that the convenience of using the devices is low, part of the devices are provided with white boards for users to write key information during demonstration, the white boards are used for writing after the inclination angles are adjusted, the writing of the users is inconvenient, so the practicability is low, in addition, common devices are provided with placing boards or placing grooves for placing notebooks, the common devices cannot be stored when not used, the space is occupied, the placing grooves are not provided with shelters such as tarpaulin, so that the demonstration devices can accumulate a large amount of dust when not used for a long time, the placing of the notebooks in later period is influenced, and therefore, the demonstration devices convenient to adjust for computer network technology development are provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the conveniently-adjusted demonstration device for computer network development, which has the advantages of improving the convenience of the device, improving the practicability, reasonably utilizing the space, preventing dust from falling into the placing groove when the device does not work and the like, and solves the problems that the general demonstration device for computer network development is low in convenience and practicability, does not reasonably utilize the space, and dust can fall into the placing groove when the device does not work.

(II) technical scheme

In order to achieve the purposes of improving the convenience of the device, improving the practicability, reasonably utilizing the space, preventing dust from falling into the placing groove when the device does not work and the like, the invention provides the following technical scheme: a conveniently-adjusted demonstration device for computer network development comprises a base, universal wheels are arranged below the base, a telescopic rod is arranged above the base, a mounting plate is arranged at the upper end of the telescopic rod, a circular groove is formed in the outer side of the upper end of the mounting plate, a uniform groove is formed in the inner side of the upper end of the mounting plate, a demonstration frame is rotatably connected above the mounting plate, a clamping block extending into the circular groove is arranged on the lower wall of the demonstration frame, a spring column extending into the groove is arranged on the lower wall of the demonstration frame, a first rotating shaft is rotatably connected to the left wall of an inner cavity of the demonstration frame, a display screen is arranged on the first rotating shaft, a symmetrical arc-shaped groove is formed in the right end of the first rotating shaft, a second rotating shaft extending into the arc-shaped groove is rotatably connected to the right wall of the inner cavity of the demonstration frame, a first spring is arranged between, the front end of the white board is connected with a wiping strip in a sliding manner, an arc-shaped board is arranged on the upper wall of an inner cavity of the demonstration frame and above the white board, symmetrical electromagnets are arranged at the lower end of the arc-shaped board, a pen holder is fixedly arranged on the right side of the demonstration frame, a writing pen is movably inserted on the pen holder, a magnet sheet is arranged on the right side of the writing pen, a transverse groove is formed in the upper portion of the pen holder, a sliding block is connected to the inner cavity of the transverse groove in a sliding manner, a spring II is arranged between the sliding block and the right wall of the inner cavity of the transverse groove, a magnet II is arranged on the left side of the sliding block, a metal ball is arranged at the lower end of the sliding block, a metal sheet is arranged on the lower wall of the inner cavity of the transverse groove, a sleeve is fixedly inserted on the left wall of the demonstration frame, a rubber strip extending to the rear end, be provided with the isolation cloth on the winding roller, the lower extreme of isolation cloth is provided with the counter weight ball, and the upper end middle part of base is provided with the riser, and the left end of riser is provided with fixed cover, and the left side of placing the board is rotated and is connected with the connecting rod that extends to in the fixed cover, and the left end of riser is provided with the cam.

Preferably, the inner cavity of the annular groove is provided with symmetrical buffer blocks, and the buffer blocks are used for limiting and buffering the clamping blocks at the lower part of the demonstration frame when the demonstration frame rotates.

Preferably, the front end of the whiteboard is provided with a slide rail matched with the wiping strip, and when the demonstration document on the whiteboard needs to be erased, the movable wiping strip moves along the slide rail.

Preferably, the electromagnet has the same magnetic property with the adjacent surface of the corresponding magnet I after being electrified, the electromagnet and the corresponding magnet I repel each other, and the repulsion force of the electromagnet is far greater than the elastic force of the spring I.

Preferably, the adjacent surfaces of the magnet piece and the magnet have the same magnetism, and the magnet piece and the magnet repel each other.

Preferably, the front end of the placing plate and the rear part of the isolation cloth are provided with a placing groove, and a notebook computer can be placed in the placing groove.

(III) advantageous effects

Compared with the prior art, the invention provides a conveniently-adjusted demonstration device for computer network development, which has the following beneficial effects:

1. this presentation device that computer network development was adjusted with being convenient for through when using, will wholly push away to suitable place, lock the universal wheel, the telescopic link is adjusted in the cooperation to meet the demand height that needs the user, thereby reached convenience of customers' use effect.

2. This presentation device that is convenient for adjust is used in computer network development, through rotating the fine setting to the rotating handle, make the corresponding rotation of screw thread stopper, the screw thread stopper drives the lower part of rubber strip pulling or promotion display screen promptly, make display screen and blank take place corresponding slope, so that spectator obtains better viewing angle, if needs, the cooperation swing demonstration frame, in the spring post joint of messenger's lower part different recesses, can be with display screen and blank different directions in the face of, thereby reached the effect that has promoted the device convenience.

3. This presentation device that is convenient for adjust is used in computer network development, through the switch of opening the sheetmetal circuit, when the display screen drives the blank and together inclines, the user takes out the pen this moment, receive magnetic force's magnet two originally, at once under the effect of spring two, it resets to be driven the left side by the slider, the metal ball of slider below contacts the sheetmetal promptly, make the circuit switch-on, corresponding electro-magnet starts, repelling magnet one, magnet one drives the blank then and resumes vertical state, the person of facilitating the use writes on the blank, thereby reached the effect that has improved the practicality.

4. This presentation device that computer network development was used and is convenient for to adjust, through start drive arrangement when using, drive the cam and rotate, the cam rotates jacking connecting rod then, the board jack-up will be placed to the connecting rod, makes it be the horizontality to the user places notebook computer, and when not using the device, can start drive arrangement once more and drive the cam and rotate, puts down the connecting rod, the connecting rod is then again corresponding will place the board and put down, thereby has reached the effect in rational utilization space.

5. This presentation device that computer network development was used and is convenient for adjust, through set up the counter weight ball in the below of barrier cloth, when placing the board and hanging down when not using, the counter weight ball utilizes self gravity, with the barrier cloth from around the roller pull-up, the lid is in the top of standing groove, prevent that the dust from falling into, when using to place the board and be the horizontality, around the roller promptly under the effect of torsional spring, make the counter weight ball roll in the spout, and drive the barrier cloth rolling, expose the standing groove, thereby reached the effect that the device was out of work and avoided the dust to fall into in the standing groove.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top cross-sectional view of a connection portion of a bushing or the like in accordance with the present invention;

FIG. 3 is a front sectional view of a connecting portion of a pen stand and the like according to the present invention;

FIG. 4 is a front view of a connecting portion of the separator and the like of the present invention;

FIG. 5 is a left side view of a portion of the connection of the present invention, such as an arcuate plate;

FIG. 6 is a left side view of an isometric connection of the spindle of the present invention;

FIG. 7 is a top view of the attachment portion of the mounting plate and the like of the present invention;

fig. 8 is a bottom view of the connecting portion of the demonstration frame of the present invention.

In the figure: 1-base, 2-universal wheel, 3-telescopic rod, 4-mounting plate, 5-annular groove, 6-groove, 7-demonstration frame, 8-fixture block, 9-spring column, 10-first rotating shaft, 11-display screen, 12-arc groove, 13-second rotating shaft, 14-first spring, 15-white plate, 16-first magnet, 17-rubbing strip, 18-arc plate, 19-electromagnet, 20-pen rack, 21-writing pen, 22-magnet sheet, 23-transverse groove, 24-slide block, 25-second spring, 26-second magnet, 27-metal ball, 28-metal sheet, 29-sleeve, 30-rubber strip, 31-threaded plug, 32-placing plate, 33-winding roller and 34-isolation cloth, 35-counterweight ball, 36-vertical plate, 37-fixing sleeve, 38-connecting rod and 39-cam.

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.

Referring to fig. 1-8, a demonstration device for computer network development and convenient adjustment comprises a base 1, universal wheels 2 are arranged below the base 1, a telescopic rod 3 is arranged above the base 1, a mounting plate 4 is arranged at the upper end of the telescopic rod 3, an annular groove 5 is arranged at the outer side of the upper end of the mounting plate 4, symmetrical buffer blocks are arranged in the inner cavity of the annular groove 5 and used for limiting and buffering a fixture block 8 at the lower part of the demonstration frame 7 when the demonstration frame 7 rotates, uniform grooves 6 are arranged at 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 fixture block 8 extending into the annular groove 5 is arranged at the lower wall of the demonstration frame 7, spring columns 9 extending into the grooves 6 are arranged at the lower wall of the demonstration frame 7, a first rotating shaft 10 is rotatably connected to the left wall of the inner cavity of the demonstration frame, the right end of the first rotating shaft 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 second rotating shaft 13 extending into the arc-shaped groove 12, a first spring 14 is arranged between the second rotating shaft 13 and the inner wall of the arc-shaped groove 12, the second rotating shaft 13 is provided with a white board 15, the front end of the white board 15 is provided with a slide rail matched with a wiping strip 17, when a demonstration manuscript on the white board 15 needs to be erased, the movable wiping strip 17 moves along the slide rail, the upper end of the white board 15 is provided with a symmetrical first magnet 16, the front end of the white board 15 is slidably connected with the wiping strip 17, the upper wall of the inner cavity of the demonstration frame 7 and positioned above the white board 15 are provided with an arc-shaped plate 18, the lower end of the arc-shaped plate 18 is provided with symmetrical electromagnets 19, after the electromagnets 19 are electrified, the surfaces adjacent to the corresponding first magnets 16 are the same in magnetism and, a writing pen 21 is movably inserted into the pen rack 20, an elastic rope extending to the pen rack 20 is arranged at the upper end of the writing pen 21, the writing pen 21 can be prevented from being lost, a magnet piece 22 is arranged on the right side of the writing pen 21, the magnetic properties of the adjacent surfaces of the magnet piece 22 and the magnet piece 26 are the same, the magnet piece 22 and the magnet piece 26 are mutually exclusive, a transverse groove 23 is formed in the upper portion of the pen rack 20, a sliding block 24 is connected to the inner cavity of the transverse groove 23 in a sliding manner, a spring piece 25 is arranged between the sliding block 24 and the right wall of the inner cavity of the transverse groove 23, a magnet piece 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 piece 28 is arranged on the lower wall of the inner cavity of the transverse groove 23, a sleeve 29 is fixedly inserted into the left wall of the demonstration frame 7, a thread matched with the thread plug 31 is arranged in the inner cavity of, the screw plug 31 is provided with a rotating handle, the lower front part of the mounting plate 4 is rotatably connected with a placing plate 32, the front end of the placing plate 32 is arranged behind an isolation cloth 34, a placing groove is formed in the placing groove, a notebook computer can be placed in the placing groove, the front part of the placing plate 32 is provided with a winding roller 33, the winding roller 33 is provided with the isolation cloth 34, the lower end of the isolation cloth 34 is provided with a counterweight ball 35, the middle part of the upper end of the base 1 is provided with a vertical plate 36, the left end of the vertical plate 36 is provided with a fixing sleeve 37, the left side of the placing plate 32 is rotatably connected with a connecting rod 38 extending into the fixing sleeve 37, and.

The working principle is as follows: the demonstration device convenient to adjust for computer network development is characterized in that when the demonstration device is used, the whole body is pushed to a proper place to lock the universal wheel 2, the telescopic rod 3 is adjusted in a matched mode to meet the height required by a user, then the rotary handle is rotated and finely adjusted to enable the threaded plug 31 to correspondingly rotate, the threaded plug 31 drives the rubber strip 30 to pull or push the lower portion of the display screen 11, the display screen 11 and the white board 15 are correspondingly inclined, so that audiences can obtain a better viewing angle, if needed, the demonstration frame 7 is swung in a matched mode to enable the spring columns 9 on the lower portion of the demonstration frame to be clamped in different grooves 6, the display screen 11 and the white board 15 can face different directions, in addition, the switch of a metal sheet 28 circuit can be opened when the display screen 11 drives the white board 15 to incline together, the user takes out the writing pen 21 at the moment, the magnet II 26 which is originally acted by magnetic force, the slide block 24 is driven to reset to the left side immediately under the action of the second spring 25, the metal ball 27 below the slide block 24 contacts the metal sheet 28 to enable the circuit to be switched on, the corresponding electromagnet 19 is started to repel the first magnet 16, the first magnet 16 drives the white board 15 to return to the vertical state, a user can conveniently write on the white board 15, after writing is finished, the user inserts the writing pen 21 on the pen rack 20, the magnet sheet 22 repels the second magnet 26, the second magnet 26 drives the slide block 24 to squeeze the second spring 25 to the right side and move, the metal ball 27 is separated from the metal sheet 28, the electromagnet 19 is powered off, the white board 15 returns to the original inclined state, in addition, when the notebook computer is used, the driving device is started to drive the cam 39 to rotate, the cam 39 rotates to lift the connecting rod 38, the connecting rod 38 lifts the placing plate 32 to enable the placing plate to be in the horizontal state, so that the user can place, and connect it with display screen 11, and when not using the device, can start drive arrangement once more and drive cam 39 and rotate, put down connecting rod 38, connecting rod 38 then again corresponding will place board 32 and put down, and during this period, through set up counter weight ball 35 in the below of barrier cloth 34, when placing board 32 and hanging down not using, counter weight ball 35 utilizes self gravity, with barrier cloth 34 from around the roller 33 to pull down, the lid is in the top of standing groove, prevent that the dust from falling into, when using to place board 32 and be horizontal state, around roller 33 promptly under the effect of torsional spring, make counter weight ball 35 roll in the spout, and drive barrier cloth 34 rolling, expose the standing groove, thereby reached convenient user's use, promoted the device convenience, improved the practicality, rationally utilize the space, the effect that the dust was avoided falling into in the standing groove when the device was out of work.

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 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.