CN212979691U

CN212979691U - Semi-automatic pushing-wiping type blackboard

Info

Publication number: CN212979691U
Application number: CN202021980016.0U
Authority: CN
Inventors: 郑文文; 鲁冠华; 邱浩; 张子瑶; 史卓越
Original assignee: Shandong Water Conservancy Vocational College
Current assignee: Shandong Water Conservancy Vocational College
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-16
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a semi-automatic pushing and wiping type blackboard, which comprises a frame, wherein an electronic white board is arranged in the middle of the frame, an upper slide rail is arranged at the upper part of the frame, a lower slide rail is arranged at the lower part of the frame, and a movable plate is arranged between the upper slide rail and the lower slide rail; the frame is bilayer structure, including inlayer frame and outer frame, whiteboard fixes on the inlayer frame, the fly leaf slides and locates on the outer frame be equipped with on the fly leaf and erase the mechanism be equipped with spacing fixed establishment on the fly leaf, the fly leaf includes left fly leaf and right fly leaf, locates when left fly leaf and right fly leaf amalgamation one are whole the place ahead of whiteboard locates respectively when separately the both sides of whiteboard. The utility model has the advantages of simple structure and reasonable design, locate and erase the mechanism, be convenient for erase the chalk writing on the fly leaf fast, be equipped with spacing fixed establishment for the position of fixed fly leaf on the frame makes it can not remove when mr writes.

Description

Semi-automatic pushing-wiping type blackboard

Technical Field

The utility model belongs to the technical field of teaching aid technique and specifically relates to a semi-automatic formula blackboard of wiping that pushes away is related to.

Background

At present, multimedia teaching is basically realized in the compulsory education stage of China, a push-pull blackboard is needed for facilitating the use of multimedia, and a whole blackboard is needed when multimedia equipment is not used. However, the existing white board or screen of the projector is generally covered on the existing ordinary blackboard, so that a teacher can not write on the ordinary blackboard when explaining the white board, and the writing area of the blackboard is reduced. The patent No. CN 207842466U discloses a self-erasing multimedia push-pull blackboard, which is used for solving the problem that the existing self-erasing multimedia push-pull blackboard is simple in structure; the electronic whiteboard comprises a frame, wherein an electronic whiteboard is arranged in the middle of the frame, movable plates are arranged on two sides of the electronic whiteboard, an upper sliding rail is arranged at the upper part of the frame, a lower sliding rail is arranged at the lower part of the frame, and the movable plates are arranged between the upper sliding rail and the lower sliding rail; movable rods are arranged on two sides of the electronic whiteboard, a sleeve is sleeved on each movable rod, and a dust-free electric blackboard eraser is fixed at the lower part of each sleeve; the upper portion and the lower part of the movable rod are provided with through holes, the movable rod is connected with a fixed block through a positioning screw, and the fixed block is fixed on the frame. However, the blackboard has the following disadvantages: 1. the movable plates are arranged on two sides of the electronic whiteboard, and the area of the writing blackboard is smaller; the writing requirement of large area can not be met; 2. the dust-free electric blackboard eraser occupies a large volume and is not suitable for being used in classrooms; 3. the movable plate is not provided with a fixing device, so that the movable plate is easy to slide when a teacher writes, and the writing of the teacher is influenced; 4. the fixing mode of the rubbing strip is inconvenient to replace.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a semi-automatic pushing and wiping type blackboard, the utility model adopts the following technical scheme: a semi-automatic pushing-erasing blackboard comprises a frame, wherein an electronic white board is arranged in the middle of the frame, an upper slide rail is arranged at the upper part of the frame, a lower slide rail is arranged at the lower part of the frame, and a movable plate is arranged between the upper slide rail and the lower slide rail; the frame is bilayer structure, including inlayer frame and outer frame, whiteboard is fixed on the inlayer frame, the fly leaf slides and locates on the outer frame be equipped with on the fly leaf and erase the mechanism for erase the chalk writing on the fly leaf be equipped with spacing fixed establishment on the fly leaf for the position of fixed fly leaf on the frame makes it can not remove when mr writes, the fly leaf includes left fly leaf and right fly leaf, locates when left fly leaf and right fly leaf amalgamation become a whole the place ahead of whiteboard, locate respectively when left fly leaf and right fly leaf are separately the both sides of whiteboard.

Preferably, the erasing mechanism comprises an erasing strip and a pressing block, the erasing strip is located between the pressing block and the movable plate, and sliding blocks are arranged at two ends of the pressing block and used for driving the erasing mechanism to move left and right on the movable plate.

Preferably, a dovetail groove is formed in one side face of the pressing block and used for placing the rubbing strip, the pressing block is long, so that the pressing block can be conveniently replaced when the rubbing strip is abraded and the wiping effect is seriously affected, and the pressing block can be continuously used.

Preferably, the pressing block is of a hollow structure, a push-pull handle is arranged on the outer side face of the pressing block, the push-pull handle is arranged in the middle of the pressing block, a teacher can push the erasing mechanism to erase handwriting on the movable plate through the push-pull handle, and the push-pull handle is arranged in the middle and is convenient to grab.

Preferably, it is equipped with dust extraction on the mechanism to erase for the dust on the absorption wiping strip, dust extraction includes the dust absorption mouth, the dust absorption hole is located the one side of clamp plate with the contact of wiping strip, the quantity in dust absorption hole is a plurality of, and the dust absorption mouth is densely distributed at the middle part of briquetting, can guarantee like this to erase the effect the another side of briquetting is equipped with the suction opening, the suction opening is connected with the dust catcher.

Preferably, the limiting and fixing mechanism comprises a knob, a rotating shaft and a stop block, the knob is connected with the stop block through the rotating shaft, the knob is arranged on the outer side of the movable plate, the rotating shaft penetrates through the movable plate, the stop block is arranged on the inner side of the movable plate, when the movable plate needs to be fixed, the knob only needs to be rotated, then the rotating shaft drives the stop block to rotate, the stop block is clamped in the slide way, the movable plate can not slide, and when the movable plate needs to slide, the knob only needs to be rotated.

Preferably, the dust collecting groove is arranged below the movable plate and used for collecting dust which is wiped off, the dust collecting groove is arranged above the lower sliding rail, the dust is prevented from blocking the lower sliding rail, the sliding smoothness is influenced, the dust can be collected, the dust cannot fall into the lower sliding rail, and the phenomenon of blocking cannot be generated when the movable plate is pushed and pulled.

The openings are formed in the two sides of the outer layer frame and used for sliding the sliding plate towards the two sides to expose the electronic whiteboard for use, so that the size of the outer layer frame can be the same as that of the inner layer frame, too much frame material is not needed, the cost is saved, and the waste of resources is avoided.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the structure is simple, and the design is reasonable; 2. the erasing mechanism is arranged to conveniently and quickly erase the chalk marks on the movable plate, so that a teacher can save labor when erasing the blackboard; 3. the limiting and fixing mechanism is used for fixing the position of the movable plate on the frame, so that the movable plate cannot move when a teacher writes, and the writing effect of the teacher is ensured; 4. the dovetail groove is arranged, so that the wiping strip is convenient to replace, and the wiping effect is ensured; 5. the dust suction device is arranged on the pressing block, so that dust can be absorbed conveniently during erasing, the dust is prevented from diffusing in the air, and the dust suction effect is ensured.

Drawings

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

Fig. 2 is a schematic structural view of the present invention when it is deployed.

Fig. 3 is a top view of the present invention.

Fig. 4 is a plan view of the present invention when it is deployed.

Fig. 5 is a side sectional view of the present invention.

Fig. 6 is a schematic structural diagram of the erasing mechanism of the present invention.

Fig. 7 is a top view of the pressing block of the present invention.

Fig. 8 is a schematic structural diagram of the limiting fixing mechanism of the present invention.

Wherein: 1. the cleaning device comprises a frame, 11, an inner frame, 12, an outer frame, 2, a movable plate, 21, a left sliding plate, 22, a right sliding plate, 23, a sliding block, 3, an erasing mechanism, 31, a pressing block, 32, an erasing strip, 33, a dovetail groove, 34, a push-pull handle, 4, a limiting fixing mechanism, 41, a knob, 42, a rotating shaft, 43, a stop block, 5, an electronic white board, 61, a dust suction port, 62, a suction hole and 63.

Detailed Description

The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:

specific example 1: a semi-automatic pushing-erasing blackboard comprises a frame 1, wherein an electronic white board 5 is arranged in the middle of the frame 1, an upper slide rail is arranged at the upper part of the frame 1, a lower slide rail is arranged at the lower part of the frame 1, and a movable plate 2 is arranged between the upper slide rail and the lower slide rail; frame 1 is bilayer structure, including inlayer frame 11 and outer frame 12, whiteboard 5 is fixed on inlayer frame 11, fly leaf 2 slides and locates on outer frame 12 be equipped with on fly leaf 2 and erase mechanism 3 for erase the chalk writing on fly leaf 2 be equipped with spacing fixed establishment 4 on fly leaf 2 for the position of fixed fly leaf 2 on frame 1 makes it can not remove when mr writes, fly leaf 2 includes left fly leaf 21 and right fly leaf 22, locates when left fly leaf 21 and right fly leaf 22 amalgamation one is whole whiteboard electronic whiteboard 5's the place ahead, left fly leaf 21 and right fly leaf 22 locate respectively when separately whiteboard 5's both sides.

The erasing mechanism 3 comprises an erasing strip 32 and a pressing block 31, the erasing strip 32 is located between the pressing block 31 and the movable plate 2, and two ends of the pressing block 31 are provided with sliding blocks 23 for driving the erasing mechanism 3 to move left and right on the movable plate 2.

A dovetail groove 33 is arranged on one side surface of the pressing block 31 and used for placing the rubbing strip 32, and the pressing block 31 is long.

The pressing block 31 is of a hollow structure, a push-pull handle 34 is arranged on the outer side surface of the pressing block 31, and the push-pull handle 34 is arranged in the middle of the pressing block 31.

The dust collection device is arranged on the erasing mechanism 3 and used for absorbing dust on the erasing strip 32, the dust collection device comprises a dust collection port 61, dust collection holes 61 are formed in one side, in contact with the erasing strip 32, of the pressing plate 31, the dust collection holes 61 are a plurality of, a suction hole 62 is formed in the other side face of the pressing plate 31, and the suction hole 62 is connected with a dust collector 63.

The limit fixing mechanism 4 comprises a knob 41, a rotating shaft 42 and a stopper 43, the knob 41 is connected with the stopper 43 through the rotating shaft 42, the knob 41 is arranged on the outer side of the movable plate 2, the rotating shaft 42 penetrates through the movable plate 2, and the stopper 43 is arranged on the inner side of the movable plate 2.

Specific example 2: the wiping mechanism 3 is provided with a dust suction device for absorbing dust on the wiping strip 32, the dust suction device comprises a dust suction port 61, the dust suction hole 61 is formed in one side of the pressing plate 31, which is in contact with the wiping strip 32, the dust suction holes 61 are a plurality of, the other side surface of the pressing plate 31 is provided with a suction hole 62, the suction hole 62 is connected with a dust collector 63, and other structures are the same as those of the embodiment 1.

Specific example 3: the below of fly leaf 2 is equipped with the dust collecting vat for collect the dust of wiping off, the top of slide rail is located down to the dust collecting vat, prevents that the dust from blockking the glide slope, influences gliding smoothness nature.

Openings are formed in two sides of the outer layer frame 12 to slide the movable plate 2 out of the two sides to expose the electronic whiteboard 5 for use, and other structures are the same as those in embodiment 2.

The above embodiments have explained the present invention in detail. Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions, reductions, and substitutions made by the person skilled in the art within the spirit of the present invention also belong to the protection scope of the present invention.

Claims

1. A semi-automatic pushing-erasing blackboard comprises a frame, wherein an electronic white board is arranged in the middle of the frame, an upper slide rail is arranged at the upper part of the frame, a lower slide rail is arranged at the lower part of the frame, and a movable plate is arranged between the upper slide rail and the lower slide rail; the method is characterized in that: the frame is bilayer structure, including inlayer frame and outer frame, whiteboard is fixed on the inlayer frame, the fly leaf slides and locates on the outer frame be equipped with on the fly leaf and erase the mechanism for erase the chalk writing on the fly leaf be equipped with spacing fixed establishment on the fly leaf for the position of fixed fly leaf on the frame makes it can not remove when mr writes, the fly leaf includes left fly leaf and right fly leaf, locates when left fly leaf and right fly leaf amalgamation become a whole the place ahead of whiteboard, locate respectively when left fly leaf and right fly leaf are separately the both sides of whiteboard.

2. The semi-automatic push-erase blackboard according to claim 1, characterised in that: the erasing mechanism comprises an erasing strip and a pressing block, the erasing strip is located between the pressing block and the movable plate, and sliding blocks are arranged at two ends of the pressing block and used for driving the erasing mechanism to move left and right on the movable plate.

3. The semi-automatic push-erase blackboard according to claim 2, characterised in that: a dovetail groove is formed in one side face of the pressing block and used for placing the rubbing strips, and the pressing block is long.

4. A semi-automatic push-erase blackboard according to claim 3, characterised in that: the pressing block is of a hollow structure, a push-pull handle is arranged on the outer side face of the pressing block, and the push-pull handle is arranged in the middle of the pressing block.

5. The semi-automatic push-erase blackboard according to claim 4, characterised in that: the wiping mechanism is provided with a dust suction device for absorbing dust on the wiping strip, the dust suction device comprises a dust suction port, the dust suction port is arranged on one side of the pressing plate, which is in contact with the wiping strip, the number of the dust suction ports is a plurality of, and the other side surface of the pressing block is provided with a suction hole which is connected with a dust collector.

6. A semi-automatic push-and-wipe type blackboard according to any one of claims 1 to 5, characterised in that: the limiting and fixing mechanism comprises a knob, a rotating shaft and a stop block, the knob is connected with the stop block through the rotating shaft, the knob is arranged on the outer side of the movable plate, the rotating shaft penetrates through the movable plate, and the stop block is arranged on the inner side of the movable plate.

7. A semi-automatic push-and-wipe type blackboard according to any one of claims 1 to 5, characterised in that: the dust collecting groove is arranged below the movable plate and used for collecting dust scraped off, the dust collecting groove is arranged above the lower sliding rail, and the dust is prevented from blocking the lower sliding rail and affecting sliding smoothness.

8. A semi-automatic push-and-wipe type blackboard according to any one of claims 1 to 5, characterised in that: openings are arranged on two sides of the outer layer frame and used for sliding the sliding plate to two sides to expose the electronic whiteboard for use.