CN216772607U

CN216772607U - Portable multimedia teaching equipment

Info

Publication number: CN216772607U
Application number: CN202122509150.3U
Authority: CN
Inventors: 余雄豹
Original assignee: Microprinter Innovation Technology Shenzhen Co ltd
Current assignee: Microprinter Innovation Technology Shenzhen Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-06-17
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a portable multimedia teaching device, relating to the technical field of multimedia teaching devices, comprising: a storage box; and a slider. According to the utility model, the lifting mechanism is arranged, the sliding block moves downwards to drive the first rack to push the gear to rotate, the third rack drives the display screen to move upwards through the sliding block, so that the display screen is rapidly moved to the outside, the gear rotates and simultaneously drives the first rotating roller to rotate, the other group of first rotating rollers are driven to rotate through the conveying belt, the half gear rotates to be in contact with the second rack, the second rack is pushed to drive the wiping strip to move towards one end, when the half gear is not in contact with the second rack any more, the spring telescopic rod resets to drive the wiping strip to move towards the other end, so that the wiping strip can perform reciprocating movement to wipe the surface of the display screen, the display screen is rapidly moved to the outside through the matching of the plurality of parts, the steps are reversely operated to rapidly accommodate the display screen into the accommodating box, and therefore, a user can conveniently carry the display screen.

Description

Portable multimedia teaching equipment

Technical Field

The utility model relates to the technical field of multimedia teaching equipment teaching, in particular to portable multimedia teaching equipment.

Background

Teaching is a unique talent training activity of human beings, which is formed by the teaching of teachers and the learning of students, through the activity, teachers purposefully, plan and organically guide students to learn and master cultural science knowledge and skills, and at present, teachers need to use multimedia teaching equipment to assist teachers to teach students when teaching the students.

Current multimedia teaching equipment generally shows teaching teacher's teaching content through the display screen, and multimedia teaching equipment is bulky, when the teacher when going to student's family to teach, because the great inconvenient teacher of multimedia teaching equipment volume carries.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the existing multimedia teaching equipment is inconvenient to carry, a portable multimedia teaching equipment is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a hand-held portable multimedia teaching device comprising:

a storage box;

the sliding block is connected inside the containing box in a sliding mode, and a display screen is installed on the inner wall of the sliding block;

the blackboard is fixedly connected to the inner wall of the containing box;

the supporting mechanism comprises a limiting rod, a bolt, a supporting rod, a screw rod, a second rotating roller, a motor and a sliding block, wherein the motor is installed inside the containing box, the screw rod is rotatably connected to the output end of the motor, the second rotating roller is sleeved on the outer wall of the screw rod, the sliding block is slidably connected to the outer wall of the screw rod, the supporting rod is rotatably connected to the inner wall of the sliding block, the limiting rod is slidably connected to the inner wall of the sliding block, and the bolt is rotatably connected to the inner wall of the limiting rod;

and the lifting mechanism is positioned on the inner wall of the containing box and enables the display screen to move to the outside from the inside of the containing box.

As a still further scheme of the utility model: elevating system is including cleaning strip, spring telescopic link, first rack, semi-gear, second rack, gear, first rotation roller and third rack, first rack fixed connection is in the one end of slider, semi-gear rotates the inner wall of connection at the containing box, gear rotates even just at the inner wall i of containing box, and the gear is located the below of semi-gear, first rotation roller cup joints at the gear outer wall, third rack fixed connection is at the outer wall of sliding block, clean strip sliding connection at the inner wall of containing box, and the one end of cleaning the strip supports the outer wall at the sliding block, second rack fixed connection is in the one side of cleaning the strip, the one end fixed connection of cleaning the spring telescopic link is at the opposite side of strip, and the other end of spring telescopic link fixes the inner wall at the containing box.

As a still further scheme of the utility model: the outer wall fixedly connected with pivot of bracing piece, the bracing piece rotates through outer wall pivot and slider to be connected, bracing piece outer wall pivot inner wall seted up with gag lever post assorted mounting hole.

As a still further scheme of the utility model: the outer wall fixedly connected with stopper of slider, the slider cup joints on the lead screw through the outer wall stopper, the inner wall of containing box seted up with slider outer wall stopper assorted spacing groove.

As a still further scheme of the utility model: the second rotating rollers are provided with two groups, and the two groups of second rotating rollers are rotatably connected through the conveying belt.

As a still further scheme of the utility model: the outer wall fixedly connected with pivot of gear, the gear passes through the outer wall pivot and is connected with the containing box rotation, the outer wall fixedly connected with pivot of half-gear, the half-gear passes through the outer wall pivot and is connected with the containing box rotation, first rotation roller is provided with two sets ofly, and is two sets of first rotation roller passes through the conveyer belt rotation and connects, and is a set of first rotation roller cup joints in the pivot of gear outer wall, and another group first rotation roller cup joints in the pivot of half-gear outer wall.

As a still further scheme of the utility model: clean the outer wall fixedly connected with stopper of strip, the inner wall of containing box is seted up and is cleaned a assorted spout, clean the strip through outer wall fixed connection's stopper and containing box sliding connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the supporting mechanism, when the device is required to be used, the device is firstly placed on a desktop, the bolt is firstly disassembled, after the limiting rod is disassembled, the motor is started again, the motor rotates to drive the screw rod to rotate, the screw rod rotates to drive the second rotating roller to rotate, so that the second rotating roller rotates to drive the other group of screw rods to rotate through the conveying belt, thereby enabling the two groups of sliding blocks to synchronously move downwards, when the sliding blocks move downwards, the supporting rods are driven to move downwards, when the supporting rods rotate when contacting with the table top, when the two groups of supporting rods are opened for a certain angle to support the containing box, the limiting rods are inserted into the inner walls of the supporting rods, the support rod is limited, the limit rod is fixed by screwing the bolt, the storage box is stably placed through the matching of the plurality of parts, and the stability of the storage box during placement is improved;

2. through setting up elevating system, the slider downstream drives first rack promotion gear revolve, make the third rack drive display screen rebound through the sliding block, thereby with display screen high-speed movment to the external world, it is rotatory to drive first rotor roll when the gear is rotatory, it is rotatory to drive another a set of first rotor roll through the conveyer belt, make half gear revolve and second rack contact, it drives the strip of cleaning to move to one end to promote the second rack, when the half gear no longer with the second rack contact, the spring telescopic link resets and drives the strip of cleaning and remove to the other end, make the strip of cleaning carry out reciprocating motion and clean the display screen surface, the cooperation through above multiunit part with display screen high-speed movability to the external world, carry out reverse operation with above-mentioned step and make the display screen accomodate the containing box inside fast, thereby the person of facilitating the use carries.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is an enlarged view of the utility model at B;

fig. 5 is an enlarged view of the present invention at C.

In the figure: 1. a storage box; 2. a slider; 3. a limiting rod; 4. a bolt; 5. a support bar; 6. a blackboard; 7. a wiping strip; 8. a screw rod; 9. a display screen; 10. a spring telescopic rod; 11. a first rack; 12. a half gear; 13. a second rack; 14. a gear; 15. a first rotating roller; 16. a third rack; 17. a second rotating roller; 18. a motor; 19. a slide block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 5, in an embodiment of the present invention, a portable multimedia teaching apparatus includes:

a storage box 1;

the sliding block 2 is connected inside the containing box 1 in a sliding mode, and a display screen 9 is installed on the inner wall of the sliding block 2;

the blackboard 6 is fixedly connected with the inner wall of the containing box 1;

the supporting mechanism comprises a limiting rod 3, a bolt 4, a supporting rod 5, a screw rod 8, a second rotating roller 17, a motor 18 and a sliding block 19, the motor 18 is installed inside the containing box 1, the screw rod 8 is rotatably connected to the output end of the motor 18, the second rotating roller 17 is sleeved on the outer wall of the screw rod 8, the sliding block 19 is slidably connected to the outer wall of the screw rod 8, the supporting rod 5 is rotatably connected to the inner wall of the sliding block 19, the limiting rod 3 is slidably connected to the inner wall of the sliding block 19, and the bolt 4 is rotatably connected to the inner wall of the limiting rod 3;

and the lifting mechanism is positioned on the inner wall of the containing box 1 and enables the display screen 9 to move to the outside from the inside of the containing box 1.

Please refer to fig. 2 to 4, the lifting mechanism includes a wiping strip 7, a spring telescopic rod 10, a first rack 11, a half gear 12, a second rack 13, a gear 14, a first rotating roller 15 and a third rack 16, the first rack 11 is fixedly connected to one end of a sliding block 19, the half gear 12 is rotatably connected to the inner wall of the containing box 1, the gear 14 is rotatably connected to the inner wall i of the containing box 1, the gear 14 is located below the half gear 12, the first rotating roller 15 is sleeved on the outer wall of the gear 14, the third rack 16 is fixedly connected to the outer wall of the sliding block 2, the wiping strip 7 is slidably connected to the inner wall of the containing box 1, one end of the wiping strip 7 is abutted against the outer wall of the sliding block 2, the second rack 13 is fixedly connected to one side of the wiping strip 7, one end of the spring telescopic rod 10 is fixedly connected to the other side of the wiping strip 7, and the other end of the spring telescopic rod 10 is fixed to the inner wall of the containing box 1, the function of rapid lifting of the display screen 9 is realized through the matching of the plurality of groups of parts.

Please refer to fig. 3, the outer wall of the support rod 5 is fixedly connected with a rotating shaft, the support rod 5 is rotatably connected with the sliding block 19 through the outer wall rotating shaft, and the inner wall of the outer wall rotating shaft of the support rod 5 is provided with a mounting hole matched with the limiting rod 3, so that the support rod 5 can rotate conveniently and can be inserted into the support rod 5 through the limiting rod 3 to limit the support rod 5.

Please refer to fig. 3 emphatically, the outer wall of the sliding block 19 is fixedly connected with a limiting block, the sliding block 19 is sleeved on the screw rod 8 through the outer wall limiting block, and the inner wall of the containing box 1 is provided with a limiting groove matched with the outer wall limiting block of the sliding block 19, so that the sliding block 19 can slide on the containing box 1 conveniently.

Referring to fig. 2 and 5, the second rotating rollers 17 are provided in two sets, and the two sets of second rotating rollers 17 are rotatably connected by a conveyor belt, so that the two sets of second rotating rollers 17 can rotate synchronously.

Please refer to fig. 2 to 4, the outer wall of the gear 14 is fixedly connected with a rotating shaft, the gear 14 is rotatably connected with the containing box 1 through the outer wall rotating shaft, the outer wall of the half gear 12 is fixedly connected with a rotating shaft, the half gear 12 is rotatably connected with the containing box 1 through the outer wall rotating shaft, two sets of first rotating rollers 15 are provided, the two sets of first rotating rollers 15 are rotatably connected through a conveyor belt, one set of first rotating rollers 15 is sleeved on the rotating shaft of the outer wall of the gear 14, the other set of first rotating rollers 15 is sleeved on the rotating shaft of the outer wall of the half gear 12, so that the gear 14 rotates to enable the half gear 14 to synchronously rotate through the two sets of first rotating rollers 15.

Please refer to fig. 2 emphatically, the outer wall fixedly connected with stopper of wiping strip 7, the inner wall of containing box 1 is provided with and wipes strip 7 assorted spout, wipes strip 7 through outer wall fixedly connected's stopper and containing box 1 sliding connection, is convenient for wipe strip 7 and slides.

The working principle of the utility model is as follows: firstly, when the device is needed, the device is placed on a table top, the bolt 4 is firstly disassembled, the limiting rod 3 is disassembled, then the motor 18 is started, the motor 18 rotates to drive the screw rod 8 to rotate, the screw rod 8 rotates to drive the second rotating roller 17 to rotate, the second rotating roller 17 rotates to drive the other screw rod 8 to rotate through the conveyor belt, so that the two groups of slide blocks 19 synchronously move downwards, the slide blocks 19 move downwards to drive the support rods 5 to move downwards, the support rods 5 rotate when being contacted with the table top, when the two groups of support rods 5 are opened for a certain angle to support the containing box 1, then the limiting rod 3 is inserted into the inner wall of the support rods 5 to limit the support rods 5, the limiting rod 3 is fixed through screwing the bolt 4, the function of stable placement of the containing box 1 is realized through the matching of the plurality of parts, the slide blocks 19 move downwards and simultaneously drive the first rack 11 to move downwards, the first rack 11 moves downwards to push the gear 14 to rotate, the gear 14 rotates to push the third rack 16 to move upwards, the third rack 16 moves upwards to drive the display screen 9 to move upwards through the sliding block 2, so that the display screen 9 is moved to the outside from the inside of the containing box 1, the gear 14 rotates and simultaneously drives the first rotating roller 15 to rotate, the first rotating roller 15 rotates to drive the other group of first rotating rollers 15 to rotate through the conveying belt, so as to drive the half gear 12 to rotate, the half gear 12 rotates to be in contact with the second rack 13, the second rack 13 is pushed to drive the wiping strip 7 to move towards one end, when the half gear 12 is not in contact with the second rack 13, the spring telescopic rod 10 is not reset by external pulling force any more and drives the wiping strip 7 to move towards the other end, the wiping strip 7 performs reciprocating movement to wipe the surface of the display screen 9 through continuous rotation of the half gear 12, and the function of rapidly moving the display screen 9 to the outside is realized through the cooperation of the plurality of parts, the steps are reversely operated, so that the display screen 9 is rapidly stored in the storage box 1, and the storage box is convenient for a user to carry.

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

Claims

1. A portable handheld multimedia teaching device, comprising:

a storage box (1);

the sliding block (2) is connected inside the containing box (1) in a sliding mode, and a display screen (9) is installed on the inner wall of the sliding block (2);

the blackboard (6), the said blackboard (6) is fixedly connected to the inner wall of the containing box (1);

the supporting mechanism comprises a limiting rod (3), a bolt (4), a supporting rod (5), a screw rod (8), a second rotating roller (17), a motor (18) and a sliding block (19), the motor (18) is installed inside the containing box (1), the screw rod (8) is rotatably connected to the output end of the motor (18), the second rotating roller (17) is sleeved on the outer wall of the screw rod (8), the sliding block (19) is slidably connected to the outer wall of the screw rod (8), the supporting rod (5) is rotatably connected to the inner wall of the sliding block (19), the limiting rod (3) is slidably connected to the inner wall of the sliding block (19), and the bolt (4) is rotatably connected to the inner wall of the limiting rod (3);

and the lifting mechanism is positioned on the inner wall of the containing box (1) and enables the display screen (9) to move to the outside from the inside of the containing box (1).

2. A hand-held portable multimedia teaching device according to claim 1, wherein the lifting mechanism comprises a wiping strip (7), a spring telescopic rod (10), a first rack (11), a half gear (12), a second rack (13), a gear (14), a first rotating roller (15) and a third rack (16), the first rack (11) is fixedly connected to one end of a sliding block (19), the half gear (12) is rotatably connected to the inner wall of the containing box (1), the gear (14) is rotatably connected to the inner wall i of the containing box (1), the gear (14) is located below the half gear (12), the first rotating roller (15) is sleeved on the outer wall of the gear (14), the third rack (16) is fixedly connected to the outer wall of the sliding block (2), the wiping strip (7) is slidably connected to the inner wall of the containing box (1), and the one end of cleaning strip (7) supports the outer wall at sliding block (2), second rack (13) fixed connection is in the one side of cleaning strip (7), the one end fixed connection of spring telescopic link (10) is in the opposite side of cleaning strip (7), and the other end of spring telescopic link (10) is fixed at the inner wall of containing box (1).

3. The portable multimedia teaching device as claimed in claim 1, wherein the outer wall of the support rod (5) is fixedly connected with a rotating shaft, the support rod (5) is rotatably connected with the sliding block (19) through the rotating shaft of the outer wall, and the inner wall of the rotating shaft of the outer wall of the support rod (5) is provided with a mounting hole matched with the limiting rod (3).

4. The portable multimedia teaching equipment as claimed in claim 1, wherein the outer wall of the sliding block (19) is fixedly connected with a limiting block, the sliding block (19) is sleeved on the screw rod (8) through the outer wall limiting block, and the inner wall of the containing box (1) is provided with a limiting groove matched with the outer wall limiting block of the sliding block (19).

5. A hand-portable multimedia teaching apparatus according to claim 1, characterized in that said second turning rollers (17) are provided in two sets, and said two sets of second turning rollers (17) are rotatably connected by a belt.

6. A portable multimedia teaching apparatus according to claim 2, characterized in that the outer wall of the gear (14) is fixedly connected with a rotating shaft, the gear (14) is rotatably connected with the containing box (1) through the outer wall rotating shaft, the outer wall of the half gear (12) is fixedly connected with a rotating shaft, the half gear (12) is rotatably connected with the containing box (1) through the outer wall rotating shaft, the first rotating rollers (15) are provided with two sets, the two sets of the first rotating rollers (15) are rotatably connected through a conveyor belt, one set of the first rotating rollers (15) is sleeved on the outer wall rotating shaft of the gear (14), and the other set of the first rotating rollers (15) is sleeved on the outer wall rotating shaft of the half gear (12).

7. The portable multimedia teaching equipment as claimed in claim 2, wherein the outer wall of the wiping strip (7) is fixedly connected with a limiting block, the inner wall of the containing box (1) is provided with a sliding groove matched with the wiping strip (7), and the wiping strip (7) is slidably connected with the containing box (1) through the limiting block fixedly connected with the outer wall.