CN219360707U

CN219360707U - Blackboard special for Chinese education

Info

Publication number: CN219360707U
Application number: CN202223450530.5U
Authority: CN
Inventors: 陈洁; 叶雅; 周鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-27
Filing date: 2022-11-27
Publication date: 2023-07-18
Anticipated expiration: 2032-11-27

Abstract

The utility model relates to the technical field of teaching aids and discloses a special blackboard for Chinese education, which comprises a bottom plate and double-sided blackboards, wherein vertical shells are fixedly arranged on two sides of the upper surface of the bottom plate, vertical plates are movably sleeved in the two vertical shells, the double-sided blackboards are arranged between the two vertical plates, field grids are printed on two sides of the double-sided blackboards, rotating rods are fixedly arranged on two sides of the double-sided blackboards, one ends of the outer sides of the two rotating rods are rotatably connected with the corresponding vertical plates, a transverse plate is fixedly arranged on the inner side of the vertical plates on one side, bolts are sleeved on the inner threads of the transverse plate, inserting holes are formed in two sides of the rod wall of the rotating rod on one side, and the lower ends of the bolts are inserted into the corresponding inserting holes. The utility model adopts the design of the double-sided writing panel, can greatly improve writing content, adopts the field character grid printing, does not need manual drawing, saves time and labor, and can improve teaching quality.

Description

Blackboard special for Chinese education

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a blackboard special for Chinese education.

Background

The writing of Chinese characters is an important content in primary school Chinese teaching, in order to standardize the writing format of Chinese characters, a teacher needs to draw a field character lattice on a blackboard and write Chinese characters in the field character lattice for teaching, so that more defects can exist:

firstly, more field characters are drawn on a blackboard manually, so that time and labor are wasted, precious classroom time is delayed, and the teaching quality is affected;

secondly, when a teacher teaches new Chinese characters each time, the previous Chinese characters need to be wiped off, and the lines of the grids are easy to wipe off together.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a teacher is required to manually draw out Chinese characters and is very time-consuming and labor-consuming, the teaching quality is affected, and the Chinese characters are easily and carelessly wiped off at the same time, and provides a special blackboard for Chinese education.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a special blackboard of chinese education, includes bottom plate and two-sided blackboard, the upper surface both sides of bottom plate are all fixed to be provided with perpendicular shell, two the inside of perpendicular shell has all been movably cup jointed the riser, two-sided blackboard sets up in two between the riser, the both sides of two-sided blackboard all print the field check, the both sides of two-sided blackboard are all fixed to be provided with the bull stick, two the outside one end of bull stick all rotates with the riser that corresponds to be connected, one side the inboard of riser is fixed to be provided with the diaphragm, the inside thread bush of diaphragm is equipped with the bolt, one side jack has all been seted up to the pole wall both sides of bull stick, the lower extreme of bolt is pegged graft with the jack that corresponds, the downside of two-sided blackboard is provided with U type cleaning board, the inside both sides of U type cleaning board all contradict with one side of corresponding two-sided blackboard, both sides all are fixed to be provided with the fixed shell, the inside of fixed shell is provided with the stop gear of fixing the riser.

Preferably, the transmission mechanism comprises a threaded rod and square rods, side plates are fixedly arranged on two sides of the lower surface of the double-sided blackboard, the threaded rod is rotatably arranged between the two side plates, square grooves are formed in the sides of the threaded rod, the square rods are movably sleeved in the square grooves, the lower ends of the U-shaped cleaning plates are sleeved with rod wall threads of the threaded rod, one ends of the square rods are fixedly sleeved with gears, toothed rings are fixedly arranged on one sides of the side walls of the vertical plates, and the toothed rings are concentrically arranged with corresponding rotating rods and are matched with the toothed rings.

Preferably, the stop gear includes baffle and fixture block, the baffle slides and sets up in the inside of corresponding fixed shell, the fixture block is fixed to be set up in the baffle one side that is close to the riser, a plurality of logical grooves have been seted up in proper order from last to down to the lateral wall of riser, the one end of fixture block extends to the inside of perpendicular shell and pegging graft with corresponding logical groove, the fixed first spring that is provided with in one side that the fixture block was kept away from to the baffle, the other end and the inner wall fixed connection of fixed shell of first spring, the upside of bottom plate is provided with the pulling both sides the pulling mechanism of baffle.

Preferably, the pulling mechanism comprises a pedal and pull ropes, sliding rods are fixedly arranged on two sides of the upper surface of the bottom plate, the pedal is arranged on the upper side of the bottom plate, two pull ropes are movably sleeved with the corresponding sliding rods, the pull ropes are fixedly arranged on two sides of the upper surface of the pedal respectively, the other ends of the pull ropes are all extended to the inside of corresponding fixing shells, one ends of the pull ropes are fixedly connected with corresponding baffle plates, one sides of the pull ropes, which are close to the fixing shells, are fixedly provided with fixing blocks, guide wheels are rotatably arranged on the front sides of the fixing blocks, and the pull ropes are all in contact with the upper surfaces of the corresponding guide wheels.

Preferably, universal wheels with foot brakes are arranged on two sides of the lower surface of the bottom plate.

Preferably, the two rod walls of the slide rods are movably sleeved with second springs, and two ends of each second spring are fixedly connected with the corresponding pedal and the bottom plate respectively.

Preferably, the top ends of the sliding rods at both sides are fixedly provided with stop blocks.

Compared with the prior art, the special blackboard for Chinese education has the following beneficial effects:

1. according to the special blackboard for Chinese education, the design of the double-sided writing panel is adopted, so that writing content can be greatly improved, the field character grid is printed, manual drawing is not needed, time and labor are saved, and teaching quality can be improved;

2. according to the special blackboard for Chinese education, when the double-sided blackboard needs to be cleaned, the square rod is pulled, the gear is pulled to be meshed with the toothed ring, and then the double-sided blackboard is rotated, so that the gear revolves relative to the toothed ring which is fixedly arranged, namely, the gear rotates to drive the threaded rod to rotate, namely, the U-shaped cleaning plate can be driven to move, and the double-sided blackboard can be cleaned efficiently;

3. this special blackboard of chinese education through trampling the footboard, even make both sides stay cord pulling corresponding baffle, will both sides fixture block to the pulling in the fixed shell that corresponds, releases the spacing of both sides riser promptly, conveniently pulls both sides riser promptly, conveniently adjusts the height of two-sided blackboard promptly, and the people of convenient different heights use.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the design of the double-sided writing panel is adopted, the writing content can be greatly improved, the field character grid is printed, manual drawing is not needed, time and labor are saved, and the teaching quality can be improved.

Drawings

FIG. 1 is a schematic diagram of a special blackboard for Chinese education;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a perspective view of the U-shaped cleaning plate of fig. 1.

In the figure: 1 bottom plate, 2 vertical shell, 3 vertical plates, 4 bull stick, 5 double-sided blackboard, 6 field check, 7 diaphragm, 8 bolts, 9U formula cleaning board, 10 curb plate, 11 threaded rod, 12 gear, 13 ring gear, 14 footboard, 15 fixed shell, 16 baffle, 17 fixture block, 18 first spring, 19 fixed block, 20 guide pulley, 21 stay cord, 22 slide bar, 23 second spring, 24 dog, 25 universal wheel, 26 square pole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, special blackboard for chinese education, including bottom plate 1 and two-sided blackboard 5, the upper surface both sides of bottom plate 1 are all fixed and are provided with perpendicular shell 2, riser 3 has all been cup jointed to the inside of two perpendicular shells 2 in the activity, two-sided blackboard 5 sets up between two risers 3, field grid 6 has all been printed to two sides of two-sided blackboard 5, the both sides of two-sided blackboard 5 are all fixed and are provided with bull stick 4, the outside one end of two bull sticks 4 all rotates with riser 3 that correspond to be connected, the inboard of one side riser 3 is fixed and is provided with diaphragm 7, the inside thread bush of diaphragm 7 is equipped with bolt 8, jack has all been seted up to the pole wall both sides of one side bull stick 4, the lower extreme of bolt 8 is pegged graft with corresponding jack, the downside of two-sided blackboard 5 is provided with the inside both sides of U type cleaning board 9,U type cleaning board 9 and all contradicts with one side of corresponding blackboard 5, the downside of two-sided cleaning board 9 is provided with the drive mechanism that drives U type cleaning board 9 and removes, the inboard of two-sided perpendicular shell 2 is all fixed with fixed shell 15, the inside of fixed shell 15 is provided with the stop gear of fixed riser 3.

The transmission mechanism comprises a threaded rod 11 and a square rod 26, side plates 10 are fixedly arranged on two sides of the lower surface of the double-sided blackboard 5, the threaded rod 11 is rotatably arranged between the two side plates 10, a square groove is formed in the side of the threaded rod 11, the square rod 26 is movably sleeved in the square groove, the lower end of the U-shaped cleaning plate 9 is in threaded sleeve joint with the rod wall of the threaded rod 11, a gear 12 is fixedly sleeved at one end of the square rod 26, a toothed ring 13 is fixedly arranged on the side wall of one side of the vertical plate 3, the toothed ring 13 and a corresponding rotating rod 4 are concentrically arranged, and the gear 12 and the toothed ring 13 are matched.

Stop gear includes baffle 16 and fixture block 17, baffle 16 slides and sets up in the inside of corresponding fixed shell 15, fixture block 17 is fixed to be set up in baffle 16 one side that is close to riser 3, a plurality of logical grooves have been seted up in proper order from last to lower to the lateral wall of riser 3, the one end of fixture block 17 extends to the inside of perpendicular shell 2 and pegging graft with corresponding logical groove, baffle 16 is kept away from the fixed first spring 18 that is provided with in one side of fixture block 17, the other end and the inner wall fixed connection of fixed shell 15 of first spring 18, the upside of bottom plate 1 is provided with the pulling mechanism of pulling both sides baffle 16.

The pulling mechanism comprises a pedal 14 and pull ropes 21, wherein slide bars 22 are fixedly arranged on two sides of the upper surface of the bottom plate 1, the pedal 14 is arranged on the upper side of the bottom plate 1, two ends of the pedal are movably sleeved with the corresponding slide bars 22, the two pull ropes 21 are fixedly arranged on two sides of the upper surface of the pedal 14 respectively, the other ends of the two pull ropes 21 are all extended to the corresponding fixing shells 15, one ends of the two pull ropes 21 are fixedly connected with the corresponding baffle 16, a fixing block 19 is fixedly arranged on one side, close to the two fixing shells 15, of the fixing block 19, guide wheels 20 are rotatably arranged on the front side of the fixing block 19, and the pull ropes 21 on two sides are all abutted to the upper surface of the corresponding guide wheels 20.

Universal wheels 25 with foot brakes are arranged on two sides of the lower surface of the bottom plate 1, so that the movement and the fixing of equipment are facilitated.

The rod walls of the two slide rods 22 are movably sleeved with a second spring 23, and two ends of the second spring 23 are fixedly connected with the corresponding pedal 14 and the bottom plate 1 respectively, so that the pedal 14 is convenient to reset.

The top ends of the slide bars 22 on both sides are fixedly provided with a stop block 24 to prevent the pedal 14 from slipping off the upper ends of the slide bars 22 as much as possible.

In the utility model, when in use, the double-sided blackboard 5 adopts the design of the double-sided writing panels, so that the writing content can be greatly improved, and meanwhile, the field character grids 6 are printed on both sides of the double-sided blackboard 5, so that manual drawing is not needed, time and labor are saved, and the teaching quality can be improved; after the use is finished, when the double-sided blackboard 5 needs to be cleaned, the square rod 26 is pulled to pull the gear 12 to be meshed with the toothed ring 13, and then the double-sided blackboard 5 is rotated by taking the rotating rod 4 as the shaft, so that the gear 12 revolves relative to the toothed ring 13 which is fixedly arranged, namely, the gear 12 rotates to drive the threaded rod 11 to rotate, namely, the U-shaped cleaning plate 9 can be driven to move, and the double-sided blackboard 5 can be cleaned efficiently; when people of different heights use, the height of the double-sided blackboard 5 needs to be adjusted by stepping on the pedal 14, namely, the two side pull ropes 21 pull the corresponding baffle 16, namely, the two side clamping blocks 17 pull into the corresponding fixing shells 15, namely, the limit of the two side risers 3 is relieved, namely, the two side risers 3 are conveniently pulled, namely, the height of the double-sided blackboard 5 is conveniently adjusted, and people of different heights are conveniently used.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The special blackboard for Chinese education comprises a bottom plate (1) and double-sided blackboards (5), and is characterized in that two sides of the upper surface of the bottom plate (1) are fixedly provided with vertical shells (2), two vertical shells (2) are movably sleeved with vertical plates (3), the double-sided blackboards (5) are arranged between the two vertical plates (3), two sides of the double-sided blackboards (5) are respectively printed with a field grid (6), two sides of the double-sided blackboards (5) are fixedly provided with a rotating rod (4), one end of the outer side of each rotating rod (4) is rotatably connected with the corresponding vertical plate (3), one side of each rotating rod is fixedly provided with a transverse plate (7), one side of each transverse plate (7) is provided with a bolt (8), two sides of a rod wall of each rotating rod (4) are respectively provided with a jack, the lower ends of each bolt (8) are spliced with corresponding jacks, the lower sides of each double-sided blackboard (5) are respectively provided with a U-shaped cleaning plate (9), two sides of each U-shaped cleaning plate (9) are fixedly provided with two sides of the corresponding double-sided blackboard (5) which are fixedly provided with a transmission mechanism (15), the inside of the fixed shell (15) is provided with a limiting mechanism for fixing the vertical plate (3).

2. The special blackboard for Chinese education according to claim 1, characterized in that the transmission mechanism comprises a threaded rod (11) and a square rod (26), the side plates (10) are fixedly arranged on two sides of the lower surface of the double-sided blackboard (5), the threaded rod (11) is rotatably arranged between the two side plates (10), a square groove is formed in the side of the threaded rod (11), the square rod (26) is movably sleeved in the square groove, the lower end of the U-shaped cleaning plate (9) is in threaded sleeve connection with the rod wall of the threaded rod (11), a gear (12) is fixedly sleeved at one end of the square rod (26), a toothed ring (13) is fixedly arranged on one side of the side wall of the vertical plate (3), and the toothed ring (13) is concentrically arranged with the corresponding rotating rod (4), and the gear (12) is matched with the toothed ring (13).

3. The blackboard special for Chinese education according to claim 1, characterized in that the limit mechanism comprises a baffle (16) and a clamping block (17), the baffle (16) is slidably arranged in the corresponding fixing shell (15), the clamping block (17) is fixedly arranged on one side of the baffle (16) close to the vertical plate (3), a plurality of through grooves are sequentially formed in the side wall of the vertical plate (3) from top to bottom, one end of the clamping block (17) extends to the inside of the vertical shell (2) and is inserted into the corresponding through groove, a first spring (18) is fixedly arranged on one side of the baffle (16) away from the clamping block (17), the other end of the first spring (18) is fixedly connected with the inner wall of the fixing shell (15), and a pulling mechanism for pulling two sides of the baffle (16) is arranged on the upper side of the bottom plate (1).

4. The blackboard special for Chinese education according to claim 3, wherein the pulling mechanism comprises a pedal (14) and pull ropes (21), sliding rods (22) are fixedly arranged on two sides of the upper surface of the bottom plate (1), the pedal (14) is arranged on the upper side of the bottom plate (1) and movably sleeved with the corresponding sliding rods (22) at two ends, the two pull ropes (21) are fixedly arranged on two sides of the upper surface of the pedal (14) respectively, the other ends of the two pull ropes (21) are extended to the inside of corresponding fixing shells (15), one ends of the two pull ropes (21) are fixedly connected with corresponding baffle plates (16), fixing blocks (19) are fixedly arranged on one sides, close to the corresponding fixing shells (15), of the front sides of the fixing blocks (19) are rotatably provided with guide wheels (20), and the two pull ropes (21) are in contact with the upper surfaces of the corresponding guide wheels (20).

5. The blackboard special for Chinese education according to claim 1, wherein universal wheels (25) with foot brakes are arranged on both sides of the lower surface of the base plate (1).

6. The blackboard special for Chinese education according to claim 4, wherein the two sliding rods (22) have two movable walls sleeved with a second spring (23), and two ends of the second spring (23) are fixedly connected with the corresponding pedal (14) and the base plate (1) respectively.

7. The blackboard special for Chinese education according to claim 4, wherein the top ends of the sliding rods (22) on both sides are fixedly provided with stoppers (24).