CN210759944U

CN210759944U - Literature teaching board

Info

Publication number: CN210759944U
Application number: CN201921168222.9U
Authority: CN
Inventors: 李燕凌
Original assignee: HEBEI UNIVERSITY OF ECONOMICS AND BUSINESS
Current assignee: HEBEI UNIVERSITY OF ECONOMICS AND BUSINESS
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-06-16
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a literature teaching board, include mobilizable two stands and install the clipboard between two stands. The literature teaching board also comprises a wiping roller which is transversely arranged between the two upright posts and is attached to the surface of the writing board; and a transmission mechanism is arranged in the upright post, and can form the up-and-down guiding movement and rotation of the wiping roller under the driving of external force. The utility model discloses a literature teaching board is convenient for clean the chalk writing content in teaching.

Description

Literature teaching board

Technical Field

The utility model relates to a teaching equipment technical field, in particular to literature teaching board.

Background

The teaching of Chinese language and literature mainly teaches the basic theory and basic knowledge of Chinese and linguistics, so that the trainees can obtain basic training about theoretical thinking and professional skills and master the basic abilities of investigation and language teaching.

At present, the traditional equipment for Chinese language and literature teaching is a teaching writing board with a fixed structure, generally a blackboard, and relevant contents of teaching are written on the blackboard by using chalk. Due to the characteristics of literature teaching, writing contents on the blackboard are more, the blackboard eraser is frequently used for manually erasing contents written by chalks, time is consumed, and dust can cause great harm to the health of an eraser.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a literature teaching board for facilitating the cleaning of writing contents of a chalk in teaching.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a literature teaching board comprising two posts that are movable, and a writing board mounted between the two posts, the literature teaching board further comprising:

the wiping roller is transversely arranged between the two upright posts and is attached to the surface of the writing board; and a transmission mechanism is arranged in the upright post, and can form the up-and-down guiding movement and rotation of the wiping roller under the driving of external force.

Further, the upright column is hollow and forms a cavity, and the transmission mechanism comprises a lead screw, a lead screw sliding block, a moving gear and a rack which are arranged in the cavity; the two lead screws which are respectively arranged in the cavities of the two upright posts are synchronously arranged and can rotate under the driving of the external force, and the lead screw sliding blocks which are screwed on the lead screws are driven to move up and down; the movable gear is rotatably sleeved on the lead screw sliding block, is meshed with the rack and can move along with the lead screw sliding block and rotate simultaneously; the wiping roller is arranged between the two moving gears.

Furthermore, the transmission mechanism further comprises a linkage shaft which is positioned below the writing board and is transversely arranged between the two upright posts, two transverse gears which are fixedly arranged at two ends of the linkage shaft, and a vertical gear which is fixedly connected at the lower end of the screw rod and is meshed with the transverse gears.

Furthermore, a motor is arranged on one of the two transverse gears in a driving mode, the motor forms the external force drive, and a control switch and a storage battery which are electrically connected with the motor are arranged on the literature teaching board.

Furthermore, a cross beam fixedly connected between the two upright columns is arranged below the writing board, and the linkage shaft penetrates through an inner cavity of the cross beam.

Furthermore, a movable connecting shaft penetrates through the wiping roller, and two ends of the movable connecting shaft are fixedly connected to the two movable gears.

Further, a bearing is arranged between the lead screw sliding block and the movable gear.

Furthermore, a shielding cover is covered above the wiping roller, and two ends of the shielding cover are installed on the screw rod sliding block through connecting rods.

Furthermore, the curtain is characterized by further comprising top beams connected to the top ends of the two upright posts, a curtain is arranged in each top beam, and the bottom edge of each curtain is connected to the shielding cover, so that the curtain can be folded or unfolded along with the up-and-down movement of the wiping roller.

Compared with the prior art, the utility model discloses following advantage has:

literature teaching board, through the setting of wiping roller, can wipe the content of writing with the chalk on the clipboard fast to can avoid using the manual health harm of wiping person of blackboard eraser. The up-and-down movement of the wiping roller is realized by adopting the lead screw, and the rotation of the wiping roller can be realized while the wiping roller moves up and down by utilizing the meshing of the rack and the moving gear, so that the wiping function of the wiping roller can be well realized.

In addition, the arrangement of the linkage shaft can form the synchronous rotation of the two lead screws which are respectively arranged in the two vertical columns, thereby being beneficial to improving the running stability of the wiping roller. The action of adopting motor drive wiping roller can further promote the convenience that literature teaching board used. And establish the shielding cover through covering on wiping roller to set up the curtain for the literature teaching board, the realization of the multimedia teaching of not only being convenient for, and make collecting and expansion of curtain more convenient.

Drawings

The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:

fig. 1 is a schematic perspective view of a literature teaching board according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a wiping roller and a transmission mechanism thereof mounted on a column according to an embodiment of the present invention;

fig. 3 is a front view of a transmission structure with a schematic partial cross-sectional structure according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of the screen and the shielding case of FIG. 2;

description of reference numerals:

1-upright column, 101-assembly part, 102-rack, 103-strip hole, 11-foot beam and 12-universal wheel;

2-cross beam, 3-top beam, 4-writing board, 5-curtain and 501-bottom edge;

6-motor, 601-control switch;

701-transverse gear, 702-linkage shaft, 703-vertical gear, 704-screw, 705-screw slider, 706-moving gear, 707-bearing and 708-moving linkage shaft;

8-wiping roller, 801-shade cover, 802-connecting rod.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, terms of orientation such as left, right, up, down, and the like are used in the illustrated state for convenience of description, and should not be construed as limiting the structure of the present invention.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The present embodiment relates to a literature teaching board that facilitates wiping of writing contents of a chalk in teaching. The literature teaching board comprises two movable upright posts and a writing board arranged between the two upright posts. Meanwhile, the literature teaching board further comprises a wiping roller which is transversely arranged between the two upright posts and attached to the surface of the writing board; and a transmission mechanism is arranged in the upright post, and under the drive of external force, the transmission mechanism can form the up-and-down guiding movement and rotation of the wiping roller, so that the writing content of the chalk on the writing board can be wiped.

Based on the above general design principle, an exemplary structure of the literature teaching board of the present embodiment is shown in fig. 1, which mainly includes two movable columns 1 and a writing board 4 installed between the two columns 1. In order to ensure the stable standing and convenient movement of the whole literature teaching board, in the embodiment, the foot beams 11 are arranged below the two upright posts 1, the two universal wheels 12 are arranged at the lower parts of the foot beams 11, and the total four universal wheels 12 form four supporting legs of the literature teaching board and can roll to walk, so that the literature teaching board can be moved and used.

The literature teaching board also comprises a wiping roller 8 which is transversely arranged between the two upright posts 1 and is attached to the surface of the writing board 4; and a transmission mechanism is arranged in the upright post 1, and can form the up-and-down guiding movement and rotation of the wiping roller 8 under the driving of external force. By the up-and-down movement and the rotation of the wiping roller 8, the content of the chalk on the writing board 4 can be wiped off quickly.

In order to realize the action of the wiping roller 8, as shown in fig. 1 and fig. 2, the upper half part of the upright post 1 is hollow, a cavity is formed inside the upright post 1, and the transmission mechanism comprises a lead screw 704, a lead screw slider 705, a moving gear 706 and a rack 102 which are arranged in the cavity; the two screw rods 704 respectively arranged in the cavities of the two upright posts 1 are synchronously arranged and can rotate under the drive of external force and drive the screw rod sliding block 705 screwed on the screw rods 704 to move up and down; the moving gear 706 is rotatably sleeved on the screw rod sliding block 705, is meshed with the rack 102, and can move along with the screw rod sliding block 705 and rotate at the same time; the wiping roller 8 is mounted between two moving gears 706. Obviously, both ends of the wiping roller 8, which is horizontally placed between the two uprights 1, need to penetrate the outer wall of the upright 1 to be connected to the moving gear 706 located in the cavity, and therefore, a long hole 103 is opened on the side wall of the fitting part 101 of the upright 1 for both ends of the wiping roller 8 to pass through and move up and down.

The up-and-down movement of the wiping roller 8 is realized by the screw 704, and the rotation of the wiping roller 8 can be realized by the engagement of the rack 102 and the moving gear 706 while the wiping roller 8 moves up and down, so that the wiping function of the wiping roller 8 can be well realized.

In order to facilitate the improvement of the operation stability of the wiping roller 8, in this embodiment, the transmission mechanism further includes a linking shaft 702 located below the writing board 4 and transversely installed between the two upright posts 1, two transverse gears 701 fixedly installed at two ends of the linking shaft 702, and a vertical gear 703 fixedly connected to the lower end of the screw 704 and engaged with the transverse gear 701. Synchronous transmission of the screw rods 704 on the left side and the right side is achieved through the linkage shaft 702, and the direction of the rotation axis is changed through transmission of the transverse gear 701 and the vertical gear 703.

As shown in fig. 1 and fig. 2 and fig. 3, a motor 6 is drivingly mounted on one of the two transverse gears 701, that is, an output rotating shaft of the motor 6 is fixedly connected to one transverse gear 701 in a sleeved manner, and the motor 6 constitutes an external force drive. In addition, a control switch 601 and a battery electrically connected to the motor 6 are provided on the literature teaching board. The motor 6 can be driven forward or reversed by operating the control switch 601, so that the wiping roller 8 can be moved up and down. The operation and control adopt the action of motor 6 drive wiping roller 8, can further promote the convenience that the literature teaching board used.

In order to improve the integral aesthetic feeling and the safety of the literature teaching board, a beam 2 fixedly connected between the two upright posts 1 is arranged below the writing board 4, and the linkage shaft 702 can be arranged in an internal cavity of the beam 2 in a penetrating way.

As shown in fig. 4, a movable connecting shaft 708 is arranged in the wiping roller 8, and the wiping roller 8 is fixedly connected to the two movable gears 706 through two ends of the movable connecting shaft 708, so that the firmness and the assembly flexibility of the wiping roller 8 can be improved. The wiping roller 8 may be made of various materials such as a brush roller, a felt roller, etc. which can be formed to wipe the contents written with chalk.

As shown in fig. 2, a bearing 707 is installed between the screw block 705 and the moving gear 706, so that the moving gear 706 can rotate more smoothly.

As shown in fig. 3, in order to facilitate the realization of multimedia teaching, the literature teaching board further includes a top beam 3 connected to the top ends of the two upright posts 1, a curtain 5 is installed inside the top beam 3, and the bottom edge 501 of the curtain 5 is connected to the shield 801, so that the curtain 5 can be folded or unfolded along with the up-and-down movement of the wiping roller 8. The shielding cover 801 covers the wiping roller 8, so that the curtain 5 can be pulled, and the curtain 5 can be collected and unfolded more conveniently; and can carry out the shade to the dust that wiping roller 8 cleaned off to alleviate the condition of raise dust, do benefit to the personnel's of giving lessons health. Both ends of the shield cover 801 may be mounted on the screw slider 705 through a connecting rod 802 penetrating through the elongated hole 103.

In order to collect the falling dust in time, a dust collecting box can be arranged at the front part of the beam 2 to receive the falling chalk dust in time, so that the dust collecting box is convenient to process and reduces the cleaning work on the ground.

The literature teaching board described in this embodiment can quickly erase the contents written with chalk on the writing board 4 by the arrangement of the wiping roller 8, and can avoid the health damage to the wiper caused by manual wiping with a blackboard eraser. And can expand the curtain 5 while wiping, broadcast the multimedia auxiliary teaching content through the projection, and pack up the curtain 5 after broadcasting, continue for the teaching to write and use.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A literature teaching board comprising two movable uprights (1), and a writing board (4) mounted between said uprights (1), characterized in that it further comprises:

the wiping roller (8) is transversely arranged between the two upright posts (1) and is attached to the surface of the writing board (4); a transmission mechanism is arranged in the upright post (1), and can form the up-and-down guiding movement and rotation of the wiping roller (8) under the driving of external force;

the upright post (1) is hollow and forms a cavity, and the transmission mechanism comprises a lead screw (704), a lead screw sliding block (705), a moving gear (706) and a rack (102) which are arranged in the cavity; the two lead screws (704) which are respectively arranged in the cavities of the two upright posts (1) are synchronously arranged and can rotate under the driving of the external force, and the lead screw sliding blocks (705) which are in threaded connection with the lead screws (704) are driven to move up and down; the moving gear (706) is rotatably sleeved on the lead screw sliding block (705) and meshed with the rack (102), and can move along with the lead screw sliding block (705) and simultaneously rotate; the wiping roller (8) is arranged between the two moving gears (706);

a movable connecting shaft (708) penetrates through the wiping roller (8), and two ends of the movable connecting shaft (708) are fixedly connected to the two movable gears (706).

2. The literature teaching board according to claim 1, wherein: the transmission mechanism further comprises a linkage shaft (702) which is positioned below the writing board (4) and is transversely arranged between the two upright posts (1), two transverse gears (701) fixedly arranged at two ends of the linkage shaft (702), and a vertical gear (703) which is fixedly connected to the lower end of the screw rod (704) and is meshed with the transverse gears (701).

3. The literature teaching board according to claim 2, wherein: and a motor (6) is arranged on one of the two transverse gears (701) in a driving way, the motor (6) forms the external force drive, and a control switch (601) and a storage battery which are electrically connected with the motor (6) are arranged on the literature teaching board.

4. The literature teaching board according to claim 2, wherein: a beam (2) fixedly connected between the two upright posts (1) is arranged below the writing board (4), and the linkage shaft (702) penetrates through an inner cavity of the beam (2).

5. The literature teaching board according to claim 1, wherein: and a bearing (707) is arranged between the lead screw sliding block (705) and the movable gear (706).

6. The literature teaching board according to any one of claims 1 to 5 wherein: a shielding cover (801) is covered above the wiping roller (8), and two ends of the shielding cover (801) are installed on the screw rod sliding block (705) through a connecting rod (802).

7. The literature teaching board according to claim 6, wherein: the curtain is characterized by further comprising top beams (3) connected to the top ends of the two upright columns (1), a curtain (5) is arranged inside the top beams (3), the bottom edge (501) of the curtain (5) is connected to the shielding cover (801), and the curtain (5) can be folded or unfolded along with the up-and-down movement of the wiping roller (8).