CN115331491A

CN115331491A - Portable multi-media computer teaching equipment

Info

Publication number: CN115331491A
Application number: CN202210906492.5A
Authority: CN
Inventors: 赵琦琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-11

Abstract

The invention relates to the technical field of multimedia teaching equipment, in particular to movable multimedia computer teaching equipment which comprises a base, wherein a processing assembly is arranged on the upper surface of the base, a screen is connected onto the processing assembly in a sliding manner, a connecting assembly is arranged on the rear surface of the screen, a limiting assembly is arranged on the upper surface of the processing assembly and positioned on the rear side of the connecting assembly, the screen can be retracted or extended on a fixed shell through the arrangement of a guide rod, the screen can be retracted into the fixed shell when the teaching equipment needs to be moved, the gravity center of the teaching equipment is reduced, the teaching equipment is more stable in the moving process, the screen is prevented from being damaged due to side turning in the moving process, the screen can be retracted into the fixed shell when the teaching equipment is not used in daily life, the screen is protected, and the screen is prevented from being damaged due to unexpected situations.

Description

Portable multi-media computer teaching equipment

Technical Field

The invention relates to the technical field of multimedia teaching equipment, in particular to mobile multimedia computer teaching equipment.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect.

Need use the multimedia computer when carrying out multimedia teaching, can demonstrate some teaching content more vividly to the student through the multimedia computer is taught, different functions can be realized through the screen of multimedia computer simultaneously, can carry out the show of teaching content to the student, also can use as the blackboard simultaneously, portable multimedia computer can make things convenient for the teaching more, can be according to the suitable locating place of the different selection in place, make the use scene of multimedia computer more diversified.

However, the existing multimedia computer has the following disadvantages:

1. when the multimedia computer is moved, because the screen of the multimedia computer has low strength, the multimedia computer is easy to damage, the mobile multimedia computer needs to be more cautious in the moving process, meanwhile, the mobile multimedia computer has higher height and higher gravity center, and is unsafe if the mobile multimedia computer is easy to roll over on uneven ground;

2. the screen of portable computer is at the in-process that uses because can produce static on the screen, consequently can adsorb the dust more easily at the in-process that the screen used, need the user often to clean the screen adsorbed dust on the clearance screen, the user is cleaned some dust when cleaning the screen and is wiped away, some dust can be pushed away at the in-process of cleaning on the screen in addition, lead to the poor effect of cleaning, need frequent the making a round trip to clean just can the sanitization.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a mobile multimedia computer teaching device, which is achieved by the following specific technical means:

a mobile multimedia computer teaching device comprises a base, wherein a processing assembly is arranged on the upper surface of the base, a screen is connected to the processing assembly in a sliding manner, a connecting assembly is arranged on the rear surface of the screen, and a limiting assembly is arranged on the upper surface of the processing assembly and positioned on the rear side of the connecting assembly;

coupling assembling includes the guide bar, there are three guide bar, three from a left side to right evenly distributed in the upper surface rear side of processing assembly the common fixedly connected with connecting plate in bottom of guide bar, the upper surface of connecting plate just is located fixedly connected with gasbag seat between two guide bars, the bottom cover of guide bar is equipped with reset spring, the lower surface bilateral symmetry fixedly connected with of connecting plate retards speed spring, the top of guide bar is connected with the rear surface fixed connection of screen.

Further, the processing assembly comprises a fixed shell, the upper surface of the base is fixedly connected with the fixed shell, the inner left side and the inner right side of the fixed shell are close to the top end position and are fixedly connected with installation telescopic rods, the two telescopic ends of the installation telescopic rods are provided with connecting pieces on the opposite surfaces, the two connecting pieces are rotatably connected with cleaning cloth brush rollers between the opposite surfaces of the connecting pieces, the inner left side and the outer right side of the fixed shell are respectively provided with two mounting plates through bolt fixedly connected with, and the adhesive pieces are rotatably connected between the opposite surfaces of the mounting plates.

Further, spacing subassembly includes C shape installation shell, the upper surface rear side fixedly connected with C shape installation shell of set casing, C shape installation shell divide into two vertical sections and a horizontal segment, the equal sliding connection in one side that two vertical sections of C shape installation shell are inside to be close to C shape installation shell center has the stopper, the equal fixedly connected with spacing spring in both sides around the stopper, the other end and the interior fixed surface of C shape installation shell of spacing spring are connected, two spacing posts of the equal fixedly connected with in two vertical sections of C shape installation shell, the upper surface sliding connection of the horizontal segment of C shape installation shell has the stopper, the stopper runs through the upper surface of C shape installation shell horizontal segment, the lower fixed surface of stopper is connected with two adapter sleeves, the lower fixed surface of adapter sleeve is connected with supporting spring, supporting spring's bottom and the interior fixed surface bottom fixed connection of C shape installation shell, two fixedly connected with linkage rope between the stopper.

Further, the connecting piece includes the mounting box, two all be provided with the mounting box on the flexible end opposite face of installation telescopic link, one side fixedly connected with spliced pole at clearance cloth brush roll center is kept away from to the inside of mounting box, one side that the spliced pole is close to clearance cloth brush roll center is rotated and is connected with the rolling dish, be provided with volute spiral spring between one side that clearance cloth brush roll center was kept away from to the rolling dish and the mounting box, the winding has the haulage rope on the rolling dish, one side and clearance cloth brush roll fixed connection near clearance cloth brush roll center.

Furthermore, one of two spacing posts that the inside setting of vertical section of C shape installation shell one in spacing post is located the stopper and keeps away from one side at C shape installation shell center, another in two spacing posts spacing post is located one corner of the vertical section of C shape installation shell and is located first the rear side of spacing post.

Further, the upper and lower both ends of the screen left and right sides all are seted up with stopper matched with draw-in groove, the height of draw-in groove slightly is greater than the height of stopper.

Furthermore, the adhesive part consists of two supporting rollers and an adhesive tape, wherein the two supporting rollers are rotatably connected with the mounting plate, and the adhesive tape is detachably arranged.

Compared with the prior art, the invention has the following beneficial effects:

1. this portable multimedia computer teaching equipment, setting through the guide bar can be with the screen withdraw or stretch out on the set casing, can withdraw the inside to the set casing with the screen when needs remove teaching equipment, reduce the focus of teaching equipment, it is more stable at the in-process that removes to make teaching equipment, prevent to turn on one's side the damage that causes the screen at the in-process that removes, and can withdraw the screen to the inside of set casing when daily unused, play the guard action to the screen, avoid appearing the unexpected condition and cause the screen to damage.

2. This portable multimedia computer teaching equipment can carry out quick receipts and stretch out the screen through reset spring's setting, makes things convenient for daily use more to guarantee under the assistance of slow spring and gasbag seat can not cause the damage to the screen when the screen is retrieved fast and is stretched out.

3. This portable multimedia computer teaching equipment, can stretch out the surface of retrieving the time to the screen from the inside of set casing through setting up of clearance cloth brush roll and carry out the whole disposable cleanness to the screen, the surface that makes the screen all keeps clean and tidy when using each time, the improvement is experienced watching the screen, guarantee that the screen can be more clear carry out the transmission of content, and through clearance cloth brush roll when carrying out the cleanness to the screen rotation direction of clearance cloth brush roll with the moving direction of screen opposite, can make clean effect better.

Drawings

Fig. 1 is an appearance schematic diagram of the present invention.

Fig. 2 is a rear view cross-sectional view of the present invention.

Figure 3 is a schematic view of a cleaning assembly of the present invention.

Fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention.

FIG. 5 is a schematic view of the cleaning cloth brush roll configuration of the present invention.

Fig. 6 is a top cross-sectional view of the fastening assembly of the present invention.

Fig. 7 is a rear cross-sectional view of the fixing assembly of the present invention.

Fig. 8 is a front cross-sectional view of a connector of the present invention.

Fig. 9 is a side cross-sectional view of a connector of the present invention.

In the figure: 1. a base; 2. a processing component; 3. a limiting component; 4. a connecting assembly; 5. a screen; 21. a stationary housing; 23. adhering the accessory; 24. mounting a plate; 25. installing a telescopic rod; 26. cleaning a cloth brush roll; 27. a connecting member; 31. a C-shaped mounting shell; 32. a limiting spring; 33. a limiting block; 34. a linkage rope; 35. a limiting column; 36. connecting sleeves; 37. a support spring; 38. briquetting; 41. a guide rod; 42. a return spring; 43. a connecting plate; 44. a retard spring; 45. an air bag seat; 271. a winding disc; 272. mounting a box; 273. a hauling rope; 274. a volute spiral spring; 275. connecting columns.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1, a mobile multimedia computer teaching device includes a base 1, a processing assembly 2 is disposed on an upper surface of the base 1, a screen 5 is slidably connected to the processing assembly 2, a connecting assembly 4 is disposed on a rear surface of the screen 5, and a limiting assembly 3 is disposed on the upper surface of the processing assembly 2 and behind the connecting assembly 4.

When the screen 5 needs to be retracted into the processing assembly 2, firstly, the limiting assembly 3 is used for limiting the screen 5, then the screen 5 is retracted into the processing assembly 2 under the action of the connecting assembly 4, meanwhile, the limiting assembly 3 is used for limiting the screen 5 so as to ensure that the screen 5 retracted into the processing assembly 2 is kept fixed, when the screen 5 needs to be extended out of the processing assembly 2, firstly, the limiting assembly 3 is used for limiting the screen 5, then, the screen 5 is extended out of the processing assembly 2 under the action of the connecting assembly 4, after the screen 5 is extended out, the connecting assembly 4 is used for limiting the screen 5 so as to ensure that the screen 5 is stable in the using process, and when the screen 5 is retracted and extended out of the processing assembly 2, the processing assembly 2 can clean the surface of the screen 5 so as to ensure that the screen 5 can be better used.

Please refer to fig. 3, fig. 4, fig. 5, fig. 8 and fig. 9, the processing assembly 2 includes a fixing shell 21, the upper surface of the base 1 is fixedly connected with the fixing shell 21, the left and right sides of the inside of the fixing shell 21 are both fixedly connected with the mounting telescopic rods 25 near the top end, the telescopic ends of the two mounting telescopic rods 25 are both provided with a connecting piece 27 on the opposite surface, the connecting piece 27 includes a mounting box 272, the telescopic ends of the two mounting telescopic rods 25 are both provided with a mounting box 272 on the opposite surface, one side of the mounting box 272 far away from the center of the cleaning cloth brush roller 26 is fixedly connected with a connecting post 275, one side of the connecting post 275 near the center of the cleaning cloth brush roller 26 is rotatably connected with a winding disk 271, a spiral spring 274 is provided between one side of the winding disk 271 far away from the center of the cleaning cloth brush roller 26 and the mounting box 272, a pulling rope 273 is wound on the winding disk 271, one side of the pulling rope 273 is fixedly connected with the cleaning cloth brush roller 26, one end of the pulling rope 273 is fixedly connected with the lower surface of the screen 5, the opposite surface of the two connecting pieces 27 is rotatably connected with a supporting roller 24 connected with a detachable adhesive tape connected with a mounting plate 24.

The surface of the screen 5 can be integrally cleaned in one step when the screen 5 is stretched out from the inside of the fixed shell 21 and retracted through the arrangement of the cleaning cloth brush roller 26, the surface of the screen 5 is kept clean when the screen is used every time, the viewing experience of the screen 5 is improved, the screen 5 can be more clearly transmitted, and the cleaning effect can be better due to the fact that the rotating direction of the cleaning cloth brush roller 26 is opposite to the moving direction of the screen 5 when the screen 5 is cleaned through the cleaning cloth brush roller 26.

When the screen 5 is retracted into the fixed shell 21, the screen 5 drives the winding disc 271 to rotate anticlockwise in the mounting box 272 through the traction rope 273 and simultaneously drives the cleaning cloth brush roller 26 to rotate anticlockwise, at this time, the scroll spring 274 contracts, in the process that the screen 5 is retracted into the fixed shell 21, the cleaning cloth brush roller 26 rotates to clean dust adsorbed on the surface of the screen 5, in the process that the screen 5 is cleaned, the dust cleaned on the cleaning cloth brush roller 26 is timely adhered to the cleaning cloth brush roller through the adhesion piece 23 to prevent the dust cleaned on the cleaning cloth brush roller 26 from being reattached to the screen 5, in addition, the top end of the adhesion piece 23 is tightly attached to the cleaning cloth brush roller 26 under the action of the mounting telescopic rod 25, the effect of the adhesion piece 23 on removing the dust on the cleaning cloth brush roller 26 can be improved, when the screen 5 extends out of the fixed shell 21, under the action of the self elastic force of the scroll spring 274, the cleaning cloth brush roller 26 rotates clockwise to clean the surface of the screen 5 repeatedly, meanwhile, the adhesion piece 23 on the adhesion piece 23 can be replaced periodically as required, and the effect of the adhesion piece 23 on the adhesion piece 23 on the cleaning cloth brush roller 26 can be ensured.

Referring to fig. 6 and 7, the limiting component 3 includes a C-shaped mounting shell 31, the C-shaped mounting shell 31 is fixedly connected to the rear side of the upper surface of the fixing shell 21, the C-shaped mounting shell 31 is divided into two vertical sections and a horizontal section, two limiting columns 35 are fixedly connected to the inner sides of the two vertical sections of the C-shaped mounting shell 31, the upper surface of the horizontal section of the C-shaped mounting shell 31 is slidably connected to the limiting blocks 33, the limiting blocks 33 penetrate through the upper surface of the horizontal section of the C-shaped mounting shell 31, the other ends of the limiting springs 32 are fixedly connected to the inner surface of the C-shaped mounting shell 31, two connecting sleeves 36 are fixedly connected to the lower surfaces of the two vertical sections of the C-shaped mounting shell 31, the bottom ends of the supporting springs 37 are fixedly connected to the bottom end of the C-shaped mounting shell 31, a linking rope 34 is fixedly connected to the upper surface of the horizontal section of the C-shaped mounting shell 31, one of the two limiting columns 35 is located on the side of the vertical section of the screen, and the screen is located on the side of the screen where the limiting column 35, and the screen is located on the side of the screen where the screen.

The linkage rope 34 fixedly connected between the two limiting blocks 33 firstly passes through the two limiting columns 35 in the vertical section of the front side of the C-shaped mounting shell 31, then passes through the two connecting sleeves 36, then passes through the two limiting columns 35 in the vertical section of the rear side of the C-shaped mounting shell 31, the two limiting columns 35 in the two vertical sections are both positioned on the same side of the linkage rope 34, and the position where the linkage rope 34 is in contact with the limiting columns 35 is provided with a limiting clamping ring, so that the linkage rope 34 slides inside the limiting clamping ring on the limiting columns 35.

Referring to fig. 2, the connecting assembly 4 includes guide rods 41, three guide rods 41 are uniformly distributed on the rear side of the upper surface of the stationary housing 21 from left to right, a connecting plate 43 is fixedly connected to the bottom ends of the three guide rods 41, an air bag seat 45 is fixedly connected to the upper surface of the connecting plate 43 and between the two guide rods 41, a return spring 42 is sleeved at the bottom end of each guide rod 41, retarding springs 44 are fixedly connected to the lower surface of the connecting plate 43 in a bilateral symmetry manner, the top ends of the guide rods 41 are fixedly connected to the rear surface of the screen 5, the return spring 42 is in a stretching state when the screen 5 is inside the stationary housing 21, the retarding springs 44 are in a normal state, the return spring 42 is in a normal state when the screen 5 is outside the stationary housing 21, and the retarding springs 44 are in a stretching state.

Can withdraw or stretch out screen 5 on set casing 21 through setting up of guide bar 41, can withdraw screen 5 to the inside of set casing 21 when needs remove teaching equipment, reduce the focus of teaching equipment, make teaching equipment more stable at the in-process that removes, prevent to turn on one's side the in-process that removes and cause the damage of screen 5, and can withdraw screen 5 to the inside of set casing 21 when daily not using, play the guard action to screen 5, avoid appearing unexpected condition and cause screen 5 to damage, can carry out quick withdrawal and stretch out screen 5 through reset spring 42's setting simultaneously, make things convenient for daily use more, and guarantee under the assistance of slow spring 44 and gasbag seat 45 can not cause the damage to screen 5 when screen 5 withdraws fast and stretches out.

When the screen 5 is required to be extended in a specific use, firstly, the press block 38 is pressed into the C-shaped mounting shell 31, at the same time, the supporting spring 37 below the press block 38 is compressed, the press block 38 pulls the limit blocks 33 inside the two vertical sections of the C-shaped mounting shell 31 to move towards the direction far away from the center of the C-shaped mounting shell 31 through the linkage rope 34 in the moving process, at the same time, the limit springs 32 are compressed, when the limit blocks 33 pass through the clamping grooves again, the limit blocks 33 are pushed towards the center of the C-shaped mounting shell 31 under the combined action of the self elastic force of the supporting spring 37 and the self elastic force of the limit springs 32 and are clamped inside the clamping grooves, at the same time, the limit blocks 33 are separated from the clamping grooves at the top ends of the front side and the back side of the screen 5, the screen 5 is pushed out from the inside of the fixing shell 21 under the self elastic force of the return spring 42, and when the return spring 42 pushes the screen 5 out, the speed of the screen 5 is gradually reduced in the extending process under the action of the self elastic force of the slow spring 44, the damage to the screen 5 caused by the excessively high extending speed of the screen 5 is prevented, meanwhile, the air bag seat 45 can be in contact with the top end of the inner surface of the fixed shell 21 when the extending of the screen 5 is finished, the screen 5 is buffered when the extending of the screen 5 is finished, finally, the clamping grooves at the bottom ends of the front side and the rear side of the screen 5 are clamped with the limiting blocks 33, then the extending of the screen 5 is finished, when the screen 5 needs to be retracted, the step of pressing the pressing block 38 is repeated firstly to separate the limiting blocks 33 from the clamping grooves at the bottom ends of the front side and the rear side of the screen 5, then the screen 5 is pressed into the fixed shell 21 by applying the pressure on the screen 5 by the outside and matching with the self elastic force of the air bag seat 45 until the clamping grooves at the top ends of the front side and the rear side of the screen 5 are clamped with the limiting blocks 33, the screen 5 is fixed inside the stationary case 21.

The working principle is as follows: when the screen 5 is required to be retracted into the processing assembly 2, firstly, the screen 5 is cancelled by the limiting assembly 3 to be limited, then, the screen 5 is retracted into the processing assembly 2 under the action of the connecting assembly 4, meanwhile, the screen 5 is limited by the limiting assembly 3, so that the screen 5 retracted into the processing assembly 2 is kept fixed, when the screen 5 is required to be extended out from the processing assembly 2, firstly, the limiting assembly 3 is cancelled to limit the screen 5, then, the screen 5 is extended out to the processing assembly 2 under the action of the connecting assembly 4, after the screen 5 is extended out, the screen 5 is limited by the connecting assembly 4, so that the stability of the screen 5 in the using process is ensured, and when the screen 5 is retracted and extended out from the processing assembly 2, the processing assembly 2 can clean the surface of the screen 5 so as to ensure that the screen 5 can be better used.

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. A mobile multimedia computer teaching apparatus comprising a base (1), characterized in that: the upper surface of the base (1) is provided with a processing assembly (2), the processing assembly (2) is connected with a screen (5) in a sliding mode, the rear surface of the screen (5) is provided with a connecting assembly (4), and the upper surface of the processing assembly (2) and the rear side of the connecting assembly (4) are provided with a limiting assembly (3);

coupling assembling (4) are including guide bar (41), the upper surface rear side of processing assembly (2) has three guide bar (41), three from a left side to right evenly distributed the common fixedly connected with connecting plate (43) in bottom of guide bar (41), the upper surface of connecting plate (43) just is located fixedly connected with gasbag seat (45) between two guide bar (41), the bottom cover of guide bar (41) is equipped with reset spring (42), the lower surface bilateral symmetry fixedly connected with of connecting plate (43) slows down speed spring (44), the top of guide bar (41) is connected with the rear surface fixed connection of screen (5).

2. A mobile multimedia computer teaching device as claimed in claim 1 wherein: processing assembly (2) is including set casing (21), the last fixed surface of base (1) is connected with set casing (21), the side is close to the equal fixedly connected with installation telescopic link (25) of top position department about the inside of set casing (21), two all be provided with connecting piece (27), two on the flexible end opposite face of installation telescopic link (25) rotate between the opposite face of connecting piece (27) and be connected with clearance cloth brush roller (26), the side just is located the below of installation telescopic link (25) and all is two through bolt fixedly connected with mounting panel (24) about the inside of set casing (21) rotate between the opposite face of mounting panel (24) and be connected with adhesion part (23).

3. A mobile multimedia computer teaching device according to claim 2 wherein: spacing subassembly (3) are including C shape installation shell (31), the upper surface rear side fixedly connected with C shape installation shell (31) of set casing (21), C shape installation shell (31) divide into two vertical sections and a horizontal segment, two vertical section inside of C shape installation shell (31) are close to the equal sliding connection in one side at C shape installation shell (31) center and are had stopper (33), the equal fixedly connected with spacing spring (32) in both sides around stopper (33), the other end of spacing spring (32) is connected with the internal surface fixed connection of C shape installation shell (31), two equal fixedly connected with of two vertical section inside of C shape installation shell (31) are spacing post (35), the upper surface sliding connection of the horizontal segment of C shape installation shell (31) has stopper (33), stopper (33) run through the upper surface of C shape installation shell (31) horizontal segment, the lower surface fixedly connected with of stopper (33) has two spacing post (36), the lower surface fixedly connected with of adapter sleeve (36) supports spring (37), the bottom end fixedly connected with of support spring (37) is connected with the bottom end fixedly connected with C shape installation shell (31) and is connected with between two stopper (33) and moves about the rope.

4. A mobile multimedia computer teaching device according to claim 1 wherein: the connecting piece (27) comprises mounting boxes (272), two mounting boxes (272) are arranged on the opposite surfaces of the telescopic ends of the mounting telescopic rods (25), one side, away from the center of the cleaning cloth brush roller (26), of the inside of each mounting box (272) is fixedly connected with a connecting column (275), one side, close to the center of the cleaning cloth brush roller (26), of each connecting column (275) is rotatably connected with a winding disc (271), a volute spring (274) is arranged between one side, away from the center of the cleaning cloth brush roller (26), of each winding disc (271) and the mounting boxes (272), a traction rope (273) is wound on each winding disc (271), and one side, close to the center of the cleaning cloth brush roller (26), of each winding disc is fixedly connected with the cleaning cloth brush roller (26).

5. A mobile multimedia computer teaching device according to claim 3 wherein: one of two spacing posts (35) that the vertical section inside of C shape installation shell (31) set up spacing post (35) are located stopper (33) and keep away from one side at C shape installation shell (31) center, another in two spacing posts (35) spacing post (35) are located one corner of the vertical section of C shape installation shell (31) and are located first the rear side of spacing post (35).

6. A mobile multimedia computer teaching device according to claim 3 wherein: the upper and lower both ends of screen (5) left and right sides all seted up with stopper (33) matched with draw-in groove, the height of draw-in groove slightly is greater than the height of stopper (33).

7. A mobile multimedia computer teaching device according to claim 2 wherein: the adhesive part (23) consists of two supporting rollers and an adhesive tape, the two supporting rollers are rotatably connected with the mounting plate (24), and the adhesive tape is detachably arranged.