CN210865127U

CN210865127U - Multimedia electronic blackboard for education and teaching

Info

Publication number: CN210865127U
Application number: CN201920206963.5U
Authority: CN
Inventors: 董雪莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-18
Filing date: 2019-02-18
Publication date: 2020-06-26
Anticipated expiration: 2029-02-18

Abstract

The utility model discloses a multimedia electronic blackboard that education and teaching used, including frame, multimedia equipment and two fly leafs, multimedia equipment fixed mounting is in the inside of frame, two fly leaf sliding connection is on the inner wall of frame, the cavity has been seted up in the fly leaf, the intracavity fixed mounting of fly leaf has the automatic cleaning device of equipment, the automatic cleaning device of equipment includes two rolling grooves, two axis of rotation, slide bar and two spouts, two the top and the bottom in the frame are seted up respectively to the rolling groove the equal fixed mounting in groove in rolling groove has the rack to arrange, two the axis of rotation all rotates and connects on the chamber wall of fly leaf. The utility model discloses an above-mentioned isotructure's cooperation has realized when using multimedia equipment or closing multimedia equipment, through opening the fly leaf or closing the fly leaf, carries out the effect that cleans automatically to multimedia equipment's surface.

Description

Multimedia electronic blackboard for education and teaching

Technical Field

The utility model relates to a multimedia electronic blackboard technical field specifically is a multimedia electronic blackboard that education and teaching was used.

Background

The multimedia blackboard is a general name of digital display type education and teaching products which are represented by a television blackboard and have the functions of audio and video, writing, interaction and the like, including an electronic whiteboard, an intelligent projector and a multimedia electronic platform. The multimedia classroom organically combines theoretical teaching and visual teaching together in a multi-channel teaching content presentation mode, mobilizes various senses of students to participate in learning, improves teaching quality, improves teaching efficiency and enlarges teaching scale. With the advance of the project of 'class-to-class' of the education system in China, the multimedia blackboard is widely applied to classroom teaching, gradually replaces the traditional classroom teaching form of 'blackboard and chalk', and provides guarantee for finally realizing dust-free teaching. However, the existing teaching still cannot leave chalk, so that a large amount of dust and chalk dust are attached to the surface of the multimedia equipment when the multimedia equipment is used, and the multimedia equipment needs to be cleaned when in use, so that the multimedia equipment is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia electronic blackboard that education and teaching used possesses when using multimedia equipment or closing multimedia equipment, through opening the fly leaf or closing the fly leaf, carries out the advantage that cleans automatically to multimedia equipment's surface, has solved traditional multimedia electronic blackboard when using, and multimedia equipment's surface often depends on there is dust and chalk dust, influences the problem of normal use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multimedia electronic blackboard that education and teaching used, includes frame, multimedia equipment and two fly leafs, multimedia equipment fixed mounting is in the inside of frame, two fly leaf sliding connection is on the inner wall of frame, the cavity has been seted up in the fly leaf, the intracavity fixed mounting of fly leaf has the automatic cleaning device of equipment.

The automatic cleaning device for the equipment comprises two rolling grooves, two rotating shafts, a sliding rod and two sliding grooves, wherein the two rolling grooves are respectively arranged at the top and the bottom in a frame, a rack row is fixedly arranged in each rolling groove, the two rotating shafts are rotatably connected to the cavity wall of a movable plate, transmission gears are fixedly connected to the shaft walls of the two rotating shafts, the transmission gears penetrate through the cavity of the movable plate to be meshed with the rack row, cams are fixedly connected to the shaft walls of the two rotating shafts, the sliding rod is slidably connected to the cavity wall of the movable plate, idler wheels are rotatably connected to the two ends of the sliding rod and are mutually extruded, the two sliding grooves are respectively arranged at the back of the movable plate, the two sliding grooves are communicated with the cavity of the movable plate, and two moving blocks are fixedly connected to the rod wall of the sliding rod, the two moving blocks are respectively connected in the grooves of the sliding grooves in a sliding mode, and the two moving blocks penetrate through the sliding grooves and are fixedly connected with a cleaning mechanism.

Preferably, the rotational positions of the two cams are the same.

Preferably, the size of the sliding groove is the same as the maximum moving area of the moving block.

Preferably, the sweeping mechanism comprises two telescopic rods, and one ends of the two telescopic rods are respectively and fixedly connected to the back surfaces of the two moving blocks.

Preferably, the other ends of the two telescopic rods are fixedly connected with a cleaning plate, and the rod walls of the two telescopic rods are sleeved with compression springs.

Compared with the prior art, the beneficial effects of the utility model are as follows:

firstly, the utility model is provided with an automatic cleaning device of the device, a rolling groove, a rack bar, a rotating shaft, a transmission gear, a cam, a sliding rod, a roller, a sliding groove, a moving block and a cleaning mechanism, when two movable plates are pushed to slide towards the middle to close or move towards two sides to open the multimedia device, the transmission gear drives the rotating shaft to rotate under the action of the rack bar meshed with the transmission gear, the rotating shaft drives the cam fixedly connected with the rotating shaft to rotate, the two cams rotate to extrude the two rollers, so that the sliding rod reciprocates up and down along the cavity wall of the movable plate to drive the two moving blocks fixedly connected with the sliding shaft to reciprocate up and down along the groove wall of the sliding groove, the two moving blocks drive the cleaning mechanism fixedly connected with the moving blocks to clean the multimedia device up and down and forth, thereby realizing the use or the closing of the multimedia device, the surface of the multimedia equipment is automatically cleaned.

Two, the utility model discloses a set up the telescopic link, clean board and compression spring, under compression spring's elastic force effect, make and clean the board when reciprocating, closely laminate with multimedia device's surface, improve the efficiency of cleaning.

Drawings

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

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

fig. 3 is a partial side sectional view of the present invention.

In the figure: the device comprises a frame 1, a multimedia device 2, a movable plate 3, an automatic device cleaning device 4, a rolling groove 5, a rack row 6, a rotating shaft 7, a transmission gear 8, a cam 9, a sliding rod 10, a roller 11, a sliding groove 12, a moving block 13, a cleaning mechanism 14, a telescopic rod 15, a cleaning plate 16 and a compression spring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a multimedia electronic blackboard that education and teaching used, includes frame 1, multimedia device 2 and two fly leafs 3, and multimedia device 2 fixed mounting is in the inside of frame 1, and two fly leafs 3 sliding connection have a cavity in the fly leaf 3 on the inner wall of frame 1, and the intracavity fixed mounting of fly leaf 3 has automatic cleaning device 4 of equipment.

The automatic cleaning device 4 of the equipment comprises two rolling grooves 5, two rotating shafts 7, a sliding rod 10 and two sliding grooves 12, wherein the two rolling grooves 5 are respectively arranged at the top and the bottom in the frame 1, rack rows 6 are fixedly arranged in the grooves of the two rolling grooves 5, the two rotating shafts 7 are rotatably connected to the cavity wall of the movable plate 3, transmission gears 8 are fixedly connected to the shaft walls of the two rotating shafts 7, the transmission gears 8 penetrate through the cavity of the movable plate 3 to be meshed with the rack rows 6, cams 9 are fixedly connected to the shaft walls of the two rotating shafts 7, the rotating positions of the two cams 9 are the same, the sliding rod 10 is slidably connected to the cavity wall of the movable plate 3, rollers 11 are rotatably connected to the two ends of the sliding rod 10, the rollers 11 and the cams 9 are mutually extruded, the two sliding grooves 12 are respectively arranged at the back of the movable plate 3, the two sliding grooves 12 are respectively communicated with the cavity of the movable, two moving blocks 13 are respectively connected in a sliding way in a groove of a sliding groove 12, the size of the sliding groove 12 is the same as the maximum moving area of the moving blocks 13, the two moving blocks 13 penetrate through the sliding groove 12 to be fixedly connected with a cleaning mechanism 14, by arranging an automatic cleaning device 4, when the two moving blocks 3 are pushed to slide towards the middle to close or move towards two sides to open the multimedia device 2, a transmission gear 8 drives a rotating shaft 7 to rotate under the action of a rack row 6 meshed with the transmission gear, the rotating shaft 7 rotates to drive a cam 9 fixedly connected with the rotating shaft to rotate, the two cams 9 rotate to extrude two idler wheels 11, so that a sliding rod 10 reciprocates up and down along the cavity wall of the moving blocks 3, thereby driving the two moving blocks 13 fixedly connected with the rotating shaft to reciprocate up and down along the cavity wall of the sliding groove 12, and the two moving blocks 13 drive the cleaning, thereby realize when using multimedia device 2 or closing multimedia device 2, through opening fly leaf 3 or closing fly leaf 3, carry out the effect of automatic cleaning to multimedia device 2's surface, clean mechanism 14 and include two telescopic links 15, the one end of two telescopic links 15 is fixed connection respectively at the back of two movable blocks 13, the other end fixed connection of two telescopic links 15 cleans board 16, compression spring 17 has all been cup jointed on the pole wall of two telescopic links 15, under compression spring 17's elastic force effect, make to clean board 16 when reciprocating, closely laminate with multimedia device 2's surface, improve the efficiency of cleaning.

The working principle is as follows: when the multimedia electronic blackboard for education and teaching is used, when the two movable plates 3 are pushed to slide towards the middle to be closed or move towards two sides to open the multimedia device 2, the transmission gear 8 drives the rotating shaft 7 to rotate under the action of the rack row 6 meshed with the transmission gear 8, the rotating shaft 7 rotates to drive the cam 9 to rotate, the two cams 9 rotate to extrude the two rollers 11, so that the sliding rod 10 reciprocates up and down along the cavity wall of the movable plates 3 to drive the two moving blocks 13 to reciprocate up and down along the groove wall of the sliding groove 12, and the two moving blocks 13 drive the cleaning mechanism 14 to clean the multimedia device 2 up and down in a reciprocating mode, so that the effect of automatically cleaning the surface of the multimedia device 2 by opening the movable plates 3 or closing the movable plates 3 when the multimedia device 2 is used or closed is achieved.

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 multimedia electronic blackboard that education and teaching was used, includes frame (1), multimedia equipment (2) and two fly leafs (3), multimedia equipment (2) fixed mounting is in the inside of frame (1), two fly leaf (3) sliding connection is on the inner wall of frame (1), its characterized in that: a cavity is formed in the movable plate (3), and an automatic equipment cleaning device (4) is fixedly arranged in the cavity of the movable plate (3);

the automatic cleaning device (4) of the equipment comprises two rolling grooves (5), two rotating shafts (7), a sliding rod (10) and two sliding grooves (12), wherein the two rolling grooves (5) are respectively arranged at the top and the bottom in a frame (1), rack bars (6) are fixedly arranged in the grooves of the two rolling grooves (5), the two rotating shafts (7) are rotatably connected to the wall of the movable plate (3), the shaft walls of the two rotating shafts (7) are fixedly connected with transmission gears (8), the transmission gears (8) penetrate through the cavity of the movable plate (3) to be meshed with the rack bars (6), cams (9) are fixedly connected to the shaft walls of the two rotating shafts (7), the sliding rod (10) is slidably connected to the wall of the movable plate (3), and idler wheels (11) are rotatably connected to the two ends of the sliding rod (10), the roller (11) and the cam (9) are mutually extruded, the two sliding grooves (12) are formed in the back face of the movable plate (3), the two sliding grooves (12) are communicated with a cavity of the movable plate (3), two moving blocks (13) are fixedly connected to the rod wall of the sliding rod (10), the two moving blocks (13) are respectively connected into the grooves of the sliding grooves (12) in a sliding mode, and the two moving blocks (13) penetrate through the sliding grooves (12) and are fixedly connected with a cleaning mechanism (14).

2. The multimedia electronic blackboard for education and teaching according to claim 1, characterized in that: the rotational positions of the two cams (9) are the same.

3. The multimedia electronic blackboard for education and teaching according to claim 1, characterized in that: the size of the sliding groove (12) is the same as the maximum moving area of the moving block (13).

4. The multimedia electronic blackboard for education and teaching according to claim 1, characterized in that: the cleaning mechanism (14) comprises two telescopic rods (15), and one ends of the two telescopic rods (15) are respectively and fixedly connected to the back surfaces of the two moving blocks (13).

5. The multimedia electronic blackboard for education and teaching according to claim 4, characterized in that: the other end fixedly connected with of two telescopic link (15) cleans board (16), two all cup joint compression spring (17) on the pole wall of telescopic link (15).