阅读说明：本技术 一种模块化黑板 (Modularization blackboard ) 是由 余桂东 殷周平 于 2019-11-07 设计创作，主要内容包括：本发明公开了一种模块化黑板,它包含一块安装板(1),该安装板(1)的中部贯通开设有窗口(a),所述窗口(a)的上下两侧分别设置有相互平行的导轨(2),该导轨(2)的两端分别通过定位杆(3)固定在安装板(1)的背面处,两根导轨(2)之间设置有两个并排的驱动装置,每个驱动装置的一侧设置有一块可以间隙插入到窗口(a)内的黑板(4)；所述驱动装置包含一个驱动板(5),该驱动板(5)的四角端面处均安装有可以沿着导轨(2)的直线方向移动的第一耳座(51),所述的第一耳座(51)内安装有可以与其转动连接配合的第一转轴(52)。本发明结构简单,无需自行擦拭黑板上的文字内容,可以实现对多媒体教学的无缝对接。(The invention discloses a modularized blackboard, which comprises a mounting plate (1), wherein a window (a) is formed in the middle of the mounting plate (1) in a penetrating manner, guide rails (2) which are parallel to each other are respectively arranged on the upper side and the lower side of the window (a), two ends of each guide rail (2) are respectively fixed on the back of the mounting plate (1) through positioning rods (3), two parallel driving devices are arranged between the two guide rails (2), and one side of each driving device is provided with a blackboard (4) which can be inserted into the window (a) in a clearance manner; the driving device comprises a driving plate (5), wherein first lug seats (51) capable of moving along the linear direction of the guide rail (2) are mounted at the end faces of four corners of the driving plate (5), and first rotating shafts (52) capable of being in rotating connection and matching with the first lug seats (51) are mounted in the first lug seats (51). The invention has simple structure, does not need to clean the text content on the blackboard by oneself, and can realize seamless connection of multimedia teaching.)

1. A modularization blackboard is characterized by comprising a mounting plate (1), wherein a window (a) is formed in the middle of the mounting plate (1) in a penetrating mode, guide rails (2) which are parallel to each other are arranged on the upper side and the lower side of the window (a) respectively, two ends of each guide rail (2) are fixed to the back face of the mounting plate (1) through positioning rods (3), two driving devices which are arranged side by side are arranged between the two guide rails (2), and a blackboard (4) which can be inserted into the window (a) in a clearance mode is arranged on one side of each driving device;

the driving device comprises a driving plate (5), first lug seats (51) capable of moving along the linear direction of the guide rails (2) are mounted at the end faces of four corners of the driving plate (5), first rotating shafts (52) capable of being in rotating connection and matching with the first lug seats are mounted in the first lug seats (51), second lug seats (53) are mounted at the side faces of the four corners of the driving plate (5), driving connecting rods (54) capable of being in rotating connection and matching with the second lug seats are mounted on the second lug seats (53), the end portions of the driving connecting rods (54) are in rotating connection and matching with third lug seats (55), the third lug seats (55) are fixedly mounted at the back faces of the four corners of the blackboard (4), a positioning shaft (56) extends downwards from the bottom face of one third lug seat (55) at one end opposite to the driving shaft (6) in the lower portion of the blackboard (4), and a guide plate (7) is arranged between the lower edge of the window (a) and the adjacent guide rails (2), a first guide chute (8) which can be in clearance sliding fit with the positioning shaft (56) is penetratingly arranged on the guide plate (7), and a second guide chute (9) which drives the blackboard (4) to be inserted into the window (a) in a clearance manner is arranged at one end of the first guide chute (8);

the both ends of drive shaft (6) are respectively with positioning seat (10) swivelling joint cooperation, and this positioning seat (10) fixed mounting is in the middle part of mounting panel (1), the middle part fixed mounting of drive shaft (6) has drive gear (11), and the upper end of this drive shaft (6) extends positioning seat (10) and driving motor (12) butt joint, mounting groove (13) have been seted up to one side of drive plate (5), and this mounting groove (13) embedded installation can with drive gear (11) meshing complex rack (14).

2. A modular blackboard according to claim 1, characterised in that the two sides of the window (a) are respectively fitted with a cleaning box (15), the cleaning box (15) is integrally of a box-shaped structure with an opening arranged at one side, a cleaning roller (16) which can be rotationally connected and matched with the cleaning box (15) is arranged in the cleaning box (15), the upper end of the cleaning roller (16) extends out of a cleaning box (15) and is fixedly connected with a cleaning gear (17), one side of the cleaning gear (17) is provided with a cleaning rack (18) engaged with the cleaning gear, two ends of the cleaning rack (18) are fixedly provided with cleaning connecting rods (19), the end part of the cleaning connecting rod (19) is fixedly arranged at one side of the first ear seat (51), a layer of fiber wool layer is implanted at the outer circular surface of the cleaning roller (16), the outer circle surface of the cleaning roller (16) is contacted with the outer side surface of the blackboard (4).

3. The modular blackboard is characterized in that a multimedia teaching display screen is mounted on each of two sides of a mounting plate (1).

Technical Field

The invention relates to the technical field related to teaching aids, in particular to a modular blackboard.

Background

At present, along with the popularization of multimedia teaching equipment, in the application and popularization process, a blackboard always occupies the most important position as a part capable of freely writing, but because the blackboard needs to be repeatedly erased and written, the blackboard has the phenomenon of difficult connection in the process of being matched with the multimedia teaching equipment for use.

Disclosure of Invention

The present invention aims to provide a modular blackboard which can effectively solve the problems existing in the background art.

In order to solve the problems existing in the background technology, the blackboard comprises a mounting plate 1, wherein a window a is formed in the middle of the mounting plate 1 in a penetrating manner, guide rails 2 which are parallel to each other are respectively arranged on the upper side and the lower side of the window a, two ends of each guide rail 2 are respectively fixed on the back of the mounting plate 1 through positioning rods 3, two parallel driving devices are arranged between the two guide rails 2, and one side of each driving device is provided with a blackboard 4 which can be inserted into the window a in a clearance manner;

the driving device comprises a driving plate 5, first lug seats 51 which can move along the linear direction of the guide rails 2 are respectively arranged at the end faces of four corners of the driving plate 5, first rotating shafts 52 which can be rotatably connected and matched with the first lug seats 51 are arranged in the first lug seats 51, second lug seats 53 are respectively arranged at the side faces of the four corners of the driving plate 5, driving connecting rods 54 which can be rotatably connected and matched with the second lug seats 53 are arranged on the second lug seats 53, the end parts of the driving connecting rods 54 are rotatably connected and matched with third lug seats 55, the third lug seats 55 are fixedly arranged at the back faces of the four corners of the blackboard 4, a positioning shaft 56 extends downwards from the bottom face of one third lug seat 55 which is positioned at one end opposite to the driving shaft 6 in the lower part of the blackboard 4, a guide plate 7 is arranged between the lower edge of the window a and the adjacent guide rails 2, a first guide chute 8 which can be in clearance sliding fit with the positioning shaft 56 is arranged on the guide plate, one end of the first guide chute 8 is provided with a second guide chute 9 for driving the blackboard 4 to be inserted into the window a in a clearance way;

the two ends of the driving shaft 6 are respectively in rotating connection and matching with the positioning seat 10, the positioning seat 10 is fixedly installed in the middle of the installation plate 1, the driving gear 11 is fixedly installed in the middle of the driving shaft 6, the positioning seat 10 extends out of the upper end of the driving shaft 6 to be in butt joint with the driving motor 12, an installation groove 13 is formed in one side of the driving plate 5, and a rack 14 which can be in meshing matching with the driving gear 11 is embedded in the installation groove 13.

Cleaning boxes 15 are respectively installed on two sides of the window a, an open box-shaped structure is arranged on one side of the cleaning box 15, a cleaning roller 16 which can be in rotating connection and matching with the cleaning box 15 is installed in the cleaning box 15, the upper end of the cleaning roller 16 extends out of the cleaning box 15 and is fixedly connected with a cleaning gear 17, a cleaning rack 18 which is in meshing matching with the cleaning gear 17 is arranged on one side of the cleaning gear 17, cleaning connecting rods 19 are fixedly installed at two ends of the cleaning rack 18, the end portion of each cleaning connecting rod 19 is fixedly installed on one side of the corresponding first ear seat 51, a fiber wool layer is implanted into the outer circular surface of the cleaning roller 16, and the outer circular surface of the cleaning roller 16 is in contact with the outer side surface of the blackboard 4.

Multimedia teaching display screens are installed on both sides of the installation plate 1.

Due to the adoption of the technical scheme, the invention has the following beneficial effects: the structure is simple, the text content on the blackboard does not need to be wiped by oneself, and the seamless butt joint of the multimedia teaching can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical scheme in the embodiment of the invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the invention.

Referring to fig. 1, the embodiment is realized by adopting the following technical scheme, which comprises a mounting plate 1, wherein a window a is formed in the middle of the mounting plate 1 in a penetrating manner, guide rails 2 which are parallel to each other are respectively arranged on the upper side and the lower side of the window a, two ends of each guide rail 2 are respectively fixed on the back surface of the mounting plate 1 through a positioning rod 3, two parallel driving devices are arranged between the two guide rails 2, and one side of each driving device is provided with a blackboard 4 which can be inserted into the window a with a gap;

the driving device comprises a driving plate 5, first lug seats 51 which can move along the linear direction of the guide rails 2 are respectively arranged at the end faces of four corners of the driving plate 5, first rotating shafts 52 which can be rotatably connected and matched with the first lug seats 51 are arranged in the first lug seats 51, second lug seats 53 are respectively arranged at the side faces of the four corners of the driving plate 5, driving connecting rods 54 which can be rotatably connected and matched with the second lug seats 53 are arranged on the second lug seats 53, the end parts of the driving connecting rods 54 are rotatably connected and matched with third lug seats 55, the third lug seats 55 are fixedly arranged at the back faces of the four corners of the blackboard 4, a positioning shaft 56 extends downwards from the bottom face of one third lug seat 55 which is positioned at one end opposite to the driving shaft 6 in the lower part of the blackboard 4, a guide plate 7 is arranged between the lower edge of the window a and the adjacent guide rails 2, a first guide chute 8 which can be in clearance sliding fit with the positioning shaft 56 is arranged on the guide plate, one end of the first guide chute 8 is provided with a second guide chute 9 for driving the blackboard 4 to be inserted into the window a in a clearance way;

the two ends of the driving shaft 6 are respectively in rotating connection and matching with the positioning seat 10, the positioning seat 10 is fixedly installed in the middle of the installation plate 1, the driving gear 11 is fixedly installed in the middle of the driving shaft 6, the positioning seat 10 extends out of the upper end of the driving shaft 6 to be in butt joint with the driving motor 12, an installation groove 13 is formed in one side of the driving plate 5, and a rack 14 which can be in meshing matching with the driving gear 11 is embedded in the installation groove 13.

Cleaning boxes 15 are respectively installed on two sides of the window a, an open box-shaped structure is arranged on one side of the cleaning box 15, a cleaning roller 16 which can be in rotating connection and matching with the cleaning box 15 is installed in the cleaning box 15, the upper end of the cleaning roller 16 extends out of the cleaning box 15 and is fixedly connected with a cleaning gear 17, a cleaning rack 18 which is in meshing matching with the cleaning gear 17 is arranged on one side of the cleaning gear 17, cleaning connecting rods 19 are fixedly installed at two ends of the cleaning rack 18, the end portion of each cleaning connecting rod 19 is fixedly installed on one side of the corresponding first ear seat 51, a fiber wool layer is implanted into the outer circular surface of the cleaning roller 16, and the outer circular surface of the cleaning roller 16 is in contact with the outer side surface of the blackboard 4.

Multimedia teaching display screens are installed on both sides of the installation plate 1.

The following will further explain the application method and the principle of the technical solution part in this embodiment with reference to the accompanying drawings:

firstly, a driving motor 12 is started to drive a driving shaft 6 to rotate, the driving shaft 6 drives two driving devices to move towards an object direction through a driving gear 11 and two racks 14 respectively in the rotating process, when a blackboard 4 on one side of one driving device completely enters a window a, the other driving device is positioned near the end part of a mounting plate 1, in the moving process of the driving devices, a driving plate 5 firstly drags the blackboard 4 to move along the length direction of a first guide chute 8 through a driving connecting rod 54 by utilizing a positioning shaft 56, and when the positioning shaft 56 progresses into a second guide chute 9, the blackboard 4 completely enters the window a;

the cleaning roller 16 is driven to rotate by the cleaning connecting rod 19, the cleaning rack 18 and the cleaning gear 17 all the time during the movement of the driving plate 5, and the writing on the surface of the blackboard 4 can be erased by the cleaning roller 16 during the rotation.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.