CN215041694U

CN215041694U - Adjustable blackboard for teaching blackboard newspaper

Info

Publication number: CN215041694U
Application number: CN202121725061.6U
Authority: CN
Inventors: 王跃
Original assignee: Changsha Normal University
Current assignee: Changsha Normal University
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-07
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses an adjustable type blackboard for teaching blackboard newspaper, including the connecting plate, the equal fixedly connected with supporting leg in both ends of connecting plate, two the same crossbearer of top fixedly connected with of supporting leg, be connected with the threaded rod through the bearing on the bottom outer wall of crossbearer, be equipped with the lagging on the outer wall of threaded rod, be equipped with the link on one side outer wall of lagging, fixedly connected with mounting bracket on one side outer wall of link, be equipped with the slide rail on the bottom inner wall of mounting bracket, the equal sliding connection in both sides of slide rail bottom inner wall has blackboard body, two equal fixedly connected with push pedal on one side outer wall of blackboard body, the mounting bracket all is equipped with fixedly on being close to one side inner wall on both sides and wipes. The utility model discloses a can rely on the fixed of mounting bracket one side inner wall to wipe the content on this blackboard when the blackboard is removed to the push pedal, easy operation and cooperation are inseparable, and the practicality is strong.

Description

Adjustable blackboard for teaching blackboard newspaper

Technical Field

The utility model relates to a teaching blackboard technical field especially relates to an adjustable type blackboard for teaching blackboard newspaper.

Background

The teaching blackboard is not a black writing board for teaching, but is a plane board which can be repeatedly written in the traditional sense. The teaching blackboard is hard and non-reflective, and is used for teaching. The board of the teaching blackboard is generally made of magnetic color-coated steel plates, the thickness of the board is more than 0.2 mm-0.4 mm, and the material has the characteristics of wear resistance, no falling off, no fading, durability, good hand feeling of writing, clear handwriting, easy writing and erasing and the like. Green and white boards hold the major market, the second being millboard. The green plate is mainly written by chalk (liquid water-based chalk can also be used for writing); the white board is mainly written by a white board pen, and the beige board is mainly written by a water-based pen. The convenience of the blackboard directly affects the teaching efficiency of teachers.

At present, the existing adjustable blackboard for teaching blackboard newspaper on the market mostly has the following defects in the using process: the blackboard needs to be continuously written and erased in the using process, the chalk dust can be adhered to hands of a teacher or even hairs and clothes when the traditional handheld chalk eraser is used, the chalk dust can be adhered to sweaty arms in summer, and great troubles are caused to the teacher in class. In conclusion, most of the existing adjustable blackboards for teaching blackboard newspaper cannot well meet the actual requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable blackboard for teaching blackboard newspaper.

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

an adjustable blackboard for teaching blackboard newspaper comprises a connecting plate, wherein both ends of the connecting plate are fixedly connected with supporting legs, the top ends of the two supporting legs are fixedly connected with the same transverse frame, the outer wall of the bottom of the transverse frame is connected with a threaded rod through a bearing, the outer wall of the threaded rod is provided with a sleeve block, the outer wall of one side of the sleeve block is provided with a connecting frame, the outer wall of one side of the connecting frame is fixedly connected with a mounting frame, the inner wall of the bottom of the mounting frame is provided with a slide rail, the two sides of the inner wall of the bottom of the slide rail are both connected with blackboard bodies in a sliding way, the outer wall of one side of each of the two blackboard bodies is fixedly connected with a push plate, the inner wall of one side, close to the two sides, of the mounting frame is provided with a fixing wiper, the outer walls of the two sides of the sleeve block are provided with connecting rods, one ends of the two connecting rods are provided with sliders, and the two sliders are connected to the inner walls of the two sides of the cross frame in a sliding mode respectively.

Furthermore, fixedly connected with motor on the top outer wall of crossbearer, the top at the threaded rod is connected to the one end of motor output shaft.

Further, the both sides of mounting bracket bottom outer wall all are equipped with collects and fight, and the import of just collecting fighting is linked together in the inside of mounting bracket, and the bottom of collecting fighting is equipped with the connecting pipe.

Furthermore, the outer wall of one side of the connecting plate is provided with a mounting plate, the outer wall of the top of the mounting plate is provided with a collecting box, the outer wall of the top of the collecting box is provided with a fan, and the outer wall of one side of the collecting box is provided with an ash collecting drawer.

Furthermore, one end of each of the two connecting pipes is provided with a hose, one end of each of the two hoses is fixedly connected to the outer side of each of the two sides of the fan, and the outlet of the fan is communicated with the inside of the collecting box.

Furthermore, a controller is arranged on the outer wall of the bottom of the mounting rack.

Furthermore, two the bottom of supporting leg all is equipped with the supporting seat.

The utility model has the advantages that:

1. through the fixed erasing that sets up, collect and fight and the fan, when writing, low-power fan draws the air from the connecting pipe department, the unrestrained chalk dust of in-process of writing can fall into and collect and fight inside like this, at last through the fan suction collection incasement portion, write at summer mr simultaneously and clean the sweat stain on the blackboard also can be distributed by the air that flows and totally, when mr has written the one side blackboard, can use the another side blackboard, can rely on the fixed erasing of mounting bracket one side inner wall to wipe the content on this blackboard when rethread push pedal removes the blackboard after a period, easy operation and cooperation are inseparable, therefore, the clothes hanger is strong in practicability.

2. Through motor, link and the threaded rod that sets up, the starter motor earlier, the motor drive threaded rod rotates, and when the threaded rod rotated, the cover block of threaded rod outer wall reciprocated along the crossbearer together with connecting rod and slider, and the mounting bracket passes through the link to be fixed on the cover block, and when the threaded rod drove the cover block and reciprocated, the blackboard body followed the mounting bracket and together reciprocated, and the mr is according to the height of oneself, adjusts the height of blackboard, and the device convenient to use satisfies people's demand.

Drawings

FIG. 1 is a three-dimensional structure diagram of an adjustable blackboard for teaching blackboard newspaper according to the present invention;

fig. 2 is a schematic view of a fixed eraser structure of an adjustable blackboard for teaching blackboard newspaper according to the present invention;

FIG. 3 is a back side three-dimensional structure diagram of an adjustable blackboard for teaching blackboard newspaper according to the present invention;

fig. 4 is the utility model provides a link structure sketch map of an adjustable type blackboard for teaching blackboard newspaper.

In the figure: 1-supporting seat, 2-supporting leg, 3-blackboard body, 4-mounting rack, 5-motor, 6-cross frame, 7-push plate, 8-collecting hopper, 9-controller, 10-connecting plate, 11-fan, 12-sliding rail, 13-fixed eraser, 14-threaded rod, 15-connecting rod, 16-hose, 17-connecting pipe, 18-mounting plate, 19-dust collecting drawer and 20-connecting rack.

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.

In the description of this patent, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or component must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be considered limiting of the patent, and the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be construed broadly and may be fixedly connected, detachably connected, or integrally formed, for example; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

Referring to fig. 1-4, an adjustable blackboard for teaching blackboard newspaper comprises a connecting plate 10, wherein both ends of the connecting plate 10 are fixedly connected with supporting legs 2, the top ends of two supporting legs 2 are fixedly connected with a same cross frame 6, the bottom outer wall of the cross frame 6 is connected with a threaded rod 14 through a bearing, the outer wall of the threaded rod 14 is provided with a sleeve block, the outer wall of one side of the sleeve block is provided with a connecting frame 20, the outer wall of one side of the connecting frame 20 is fixedly connected with a mounting frame 4, the inner wall of the bottom of the mounting frame 4 is provided with a slide rail 12, both sides of the bottom inner wall of the slide rail 12 are both slidably connected with blackboard bodies 3, the outer wall of one side of each blackboard body 3 is fixedly connected with a push plate 7, the inner wall of one side of the mounting frame 4 close to both sides is both provided with a fixed eraser 13, both side outer walls of the sleeve block are both provided with connecting rods 15, one end of each connecting rod 15 is provided with a slide block, and the two slide blocks are respectively slidably connected to the inner walls of both sides of the cross frame 6, when the teacher writes one blackboard, the teacher can use the other blackboard, and after a period of time, the blackboard is moved by the push plate, and the content on the blackboard can be erased by means of the fixed eraser on the inner wall of one side of the mounting frame 4.

The utility model discloses in, fixedly connected with motor 5 on the top outer wall of crossbearer 6, the one end of motor 5 output shaft is connected on the top of threaded rod 14, and when threaded rod 14 rotated, the nest block of 14 outer walls of threaded rod reciprocated along crossbearer 6 together with connecting rod 15 and slider.

The utility model discloses in, the both sides of mounting bracket 4 bottom outer wall all are equipped with collects and fight 8, and collect the inside that the import of fighting 8 is in mounting bracket 4 and be linked together, collect the bottom of fighting 8 and be equipped with connecting pipe 17.

The utility model discloses in, be equipped with mounting panel 18 on one side outer wall of connecting plate 10, and be equipped with the collecting box on the top outer wall of mounting panel 18, be equipped with fan 11 on the top outer wall of collecting box, be equipped with collection ash drawer 19 on one side outer wall of collecting box.

The utility model discloses in, the one end of two connecting pipes 17 all is equipped with hose 16, two hose 16's one end difference fixed connection is on outside the both sides of fan 11, the exit of fan 11 is linked together with the inside of collecting box, low-power fan 11 is from connecting pipe 17 suction air, the chalk dust of writing the in-process unrestrained like this can fall into and collect 8 insidely of fighting, collect incasement portion through fan 11 suction at last, write simultaneously summer mr and clean the sweat stain on the blackboard also can be given off totally by the air that flows.

The utility model discloses in, be equipped with controller 9 on the bottom outer wall of mounting bracket 4.

The utility model discloses in, the bottom of two supporting legs 2 all is equipped with supporting seat 1.

The working principle is as follows: when the blackboard eraser is used, a teacher starts the motor 5 firstly when using the blackboard of the blackboard eraser, the motor 5 drives the threaded rod 14 to rotate, when the threaded rod 14 rotates, the sleeve block on the outer wall of the threaded rod 14 moves up and down along the cross frame 6 together with the connecting rod 15 and the sliding block, the mounting frame 4 is fixed on the sleeve block through the connecting frame 20, when the threaded rod 14 drives the sleeve block to move up and down, the blackboard body 3 moves up and down along with the mounting frame 4, the teacher adjusts the height of the blackboard according to the height of the teacher, when the blackboard eraser is used for writing, the fan 11 is started, the low-power fan 11 sucks air from the connecting pipe 17, so that the scattered chalk dust in the writing process can fall into the collecting hopper 8 and is finally sucked into the collecting box through the fan 11, meanwhile, when the teacher writes and cleans the sweat stain on the blackboard in summer, the flowing air can be completely diffused by the flowing air, when the teacher writes one side of the blackboard, the other side of the blackboard can be used, after a period of time, the blackboard is moved by the push plate, and the content on the blackboard can be erased by the fixed eraser on the inner wall of one side of the mounting rack 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The adjustable blackboard for the teaching blackboard newspaper comprises a connecting plate (10) and is characterized in that supporting legs (2) are fixedly connected to the two ends of the connecting plate (10), two supporting legs (2) are fixedly connected to the top ends of the same transverse frame (6), a threaded rod (14) is connected to the outer wall of the bottom of the transverse frame (6) through a bearing, a sleeve block is arranged on the outer wall of the threaded rod (14), a connecting frame (20) is arranged on the outer wall of one side of the sleeve block, a mounting frame (4) is fixedly connected to the outer wall of one side of the connecting frame (20), a sliding rail (12) is arranged on the inner wall of the bottom of the mounting frame (4), blackboard bodies (3) are slidably connected to the two sides of the inner wall of the bottom of the sliding rail (12), push plates (7) are fixedly connected to the outer wall of one side of each blackboard body (3), and fixed wipers (13) are arranged on the inner wall of one side, close to the two sides, of the mounting frame (4), all be equipped with connecting rod (15) on the both sides outer wall of cover block, two the one end of connecting rod (15) all is equipped with the slider, two the slider is sliding connection respectively on the both sides inner wall of crossbearer (6).

2. The adjustable blackboard for blackboard newspaper in teaching as claimed in claim 1, wherein the top outer wall of the cross frame (6) is fixedly connected with a motor (5), and one end of the output shaft of the motor (5) is connected to the top end of the threaded rod (14).

3. The adjustable blackboard for blackboard newspaper as claimed in claim 1, characterized in that the two sides of the outer wall of the bottom of the mounting rack (4) are provided with collecting hoppers (8), and the inlets of the collecting hoppers (8) are positioned inside the mounting rack (4) and communicated with each other, and the bottom of the collecting hoppers (8) are provided with connecting pipes (17).

4. The adjustable blackboard for blackboard newspaper in teaching as claimed in claim 1, wherein the connecting plate (10) is provided with a mounting plate (18) on one side of the outer wall, and the mounting plate (18) is provided with a collection box on the top of the outer wall, the collection box is provided with a fan (11) on the top of the outer wall, and the collection box is provided with a dust collection drawer (19) on one side of the outer wall.

5. The adjustable blackboard for blackboard newspaper in teaching of claim 3, characterized in that one end of each of the two connecting pipes (17) is provided with a hose (16), one end of each of the two hoses (16) is fixedly connected to the outside of the two sides of the fan (11), and the outlet of the fan (11) is communicated with the inside of the collecting box.

6. An adjustable blackboard for teaching blackboard newspaper as claimed in claim 3, characterised in that the bottom external wall of the mounting frame (4) is provided with a controller (9).

7. An adjustable blackboard for blackboard newspaper as claimed in claim 1, characterised in that the bottom ends of the two support legs (2) are each provided with a support (1).