CN214822176U - Push-pull erasable blackboard - Google Patents
Push-pull erasable blackboard Download PDFInfo
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- CN214822176U CN214822176U CN202120737422.2U CN202120737422U CN214822176U CN 214822176 U CN214822176 U CN 214822176U CN 202120737422 U CN202120737422 U CN 202120737422U CN 214822176 U CN214822176 U CN 214822176U
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Abstract
The utility model provides a formula blackboard can be wiped in push-and-pull relates to teaching aid technical field, including frame, plate body and first push-and-pull board, the plate body is installed in the frame, and first push-and-pull board slides and sets up in the frame, installs the surface matched with brush body of writing with the plate body on the lateral wall of first push-and-pull board. The brush body is arranged on the side wall of the first push-pull plate, so that characters on the plate body can be erased while the first push-pull plate is moved, cleaning time is saved, and flying chalk dust can be blocked; meanwhile, the shorter people can clean the blackboard conveniently.
Description
Technical Field
The utility model relates to a teaching aid technical field, more specifically relates to a push-and-pull erasable blackboard.
Background
The blackboard is a plane capable of repeatedly writing, the board surface is hard, the blackboard is mainly used for teaching, and specific writing materials such as chalk can be used for writing on the blackboard.
The existing blackboard is relatively complicated to erase after being fully written with characters; meanwhile, the chalk dust can fly in the cleaning process, which is not beneficial to the health of teachers and students; for the situation that the blackboard is higher or for the shorter personnel, people can hardly clear the writing at a higher position when clearing the blackboard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a push-pull erasable blackboard which is convenient for users to erase chalk dust and can reduce the flying of the chalk dust; meanwhile, people can conveniently clean the characters at higher positions.
The embodiment of the utility model is realized like this:
the utility model discloses some embodiments provide a push-and-pull erasable blackboard, including frame, plate body and first push-and-pull board, the plate body is installed in the frame, and first push-and-pull board slides and sets up in the frame, installs on the lateral wall of first push-and-pull board with the writing surface matched with brush body of plate body.
In some embodiments of the present invention, the writing tool further comprises a second push-pull plate slidably disposed in the frame, the first push-pull plate is disposed between the second push-pull plate and the plate, and a brush body is mounted on a side wall of the second push-pull plate and is engaged with the writing surface of the first push-pull plate.
In some embodiments of the present invention, the frame further comprises an automatic sliding mechanism, and the first push-pull plate and the second push-pull plate are slidably connected to the frame through the automatic sliding mechanism.
In some embodiments of the present invention, the first push-pull plate and the second push-pull plate are both provided with rolling wheels, the frame is provided with a rolling groove, the first push-pull plate and the second push-pull plate are slidably connected through the rolling wheels disposed in the rolling groove, the automatic sliding mechanism includes a rotating electrical machine and an electronic control box, the rolling wheels are in transmission connection with the rotating electrical machine, and the electronic control box is connected with the rotating electrical machine.
In some embodiments of the present invention, a buffer member for reducing the impact is disposed between the frame and the first push-pull plate, and between the frame and the second push-pull plate.
In some embodiments of the present invention, the buffer member includes a damping spring, a first sliding member and a second sliding member, the first sliding member has a sliding groove, the second sliding member is disposed in the sliding groove, the second sliding member is slidably connected to the first sliding member, the first sliding member is connected to the inner side wall of the frame, the second sliding member can abut against the outer side walls of the first push-pull plate and the second push-pull plate, the damping spring is clamped between the first sliding member and the second sliding member, and two ends of the damping spring are respectively connected to the first sliding member and the second sliding member.
In some embodiments of the present invention, the second push-pull plate is an electronic whiteboard.
In some embodiments of the present invention, the second push-pull plate is a liquid crystal handwriting board, a handwriting pen is disposed on the second push-pull plate, and the handwriting pen is magnetically connected to the second push-pull plate.
In some embodiments of the present invention, the frame perpendicular to the sliding direction of the first push-pull plate and the second push-pull plate can be detached.
In some embodiments of the present invention, the frame is provided with a groove for collecting chalk dust.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
the utility model provides a push-and-pull erasable blackboard, including frame, plate body and first push-and-pull board, the plate body is installed in the frame, and first push-and-pull board slides and sets up in the frame, installs the surface matched with brush body of writing with the plate body on the lateral wall of first push-and-pull board. The first push-pull plate is arranged in the frame in a sliding mode, the brush body is arranged on the back face of the first push-pull plate, the first push-pull plate slides along the frame, and characters on the plate body can be erased by the brush body on the first push-pull plate; the first push-pull plate drives the brush body to erase characters on the plate body by utilizing the sliding function of the first push-pull plate, and compared with a blackboard eraser with a small area for erasing characters, the first push-pull plate with a large area saves the time for erasing characters; meanwhile, as the brush body is positioned between the first push-pull plate and the plate body, the first push-pull plate has a blocking effect on chalk dust in the process of erasing characters, so that the flying of the chalk dust can be reduced, and the health of teachers and students is facilitated; in addition, the contents on the whole board body can be erased only by moving the first push-pull board, and even if the position of the characters is higher or the height of a user is lower, the characters at the high position can be erased. The brush body is arranged on the side wall of the first push-pull plate, so that characters on the plate body can be erased while the first push-pull plate is moved, cleaning time is saved, and flying chalk dust can be blocked; meanwhile, the shorter people can clean the blackboard conveniently.
When the multifunctional eraser is in actual use, the first push-pull plate slides along the frame, and the brush body can be brushed along the surface of the plate body to erase characters on the plate body.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of a push-pull erasable blackboard according to an embodiment of the present invention;
FIG. 2 is a schematic view of a buffer structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of the whole structure of the push-pull erasable blackboard according to the embodiment of the present invention after being disassembled;
fig. 4 is a cross-sectional view of the whole structure of the push-pull erasable blackboard according to the embodiment of the present invention.
Icon: 1-a frame; 2-a plate body; 3-a first push-pull plate; 4-a brush body; 5-a second push-pull plate; 6-rolling wheels; 7-rolling groove; 8-a rotating electrical machine; 9-an electronic control box; 10-a buffer member; 11-a damping spring; 12-a first slide; 13-a second slide; 14-a chute; 15-stylus pen; 16-groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
Please refer to fig. 1. Fig. 1 is a schematic view of the overall structure of a push-pull erasable blackboard according to an embodiment of the present invention.
The utility model provides a push-and-pull erasable blackboard, including frame 1, plate body 2 and first push-and-pull board 3, plate body 2 is installed in frame 1, and first push-and-pull board 3 slides and sets up in frame 1, installs on the lateral wall of first push-and-pull board 3 with plate body 2 write surface matched with brush body 4.
In the present embodiment, based on fig. 1, the frame 1 is a rectangular frame 1, the size of the plate body 2 matches with that of the frame 1, and the plate body 2 is fixedly installed in the frame 1; the height of the first push-pull plate 3 is the same as that of the frame 1, the length of the first push-pull plate 3 is half of that of the frame 1, and the first push-pull plate 3 can slide along the length direction of the frame 1; the brush body 4 is fully distributed on one side, facing the plate body 2, of the first push-pull plate 3, the material and the structure of the brush body 4 are the same as those of the bristles of an existing blackboard eraser, and the brush body 4 is abutted to the writing surface of the plate body 2. Sliding the first push-pull plate 3 along the frame 1, and the brush body 4 on the first push-pull plate can erase characters on the plate body 2; the first push-pull plate 3 drives the brush body 4 to erase characters on the plate body 2 by utilizing the sliding function of the first push-pull plate 3, and compared with an eraser with a smaller area for erasing characters, the first push-pull plate 3 with a larger area saves the time for erasing characters; meanwhile, as the brush body 4 is positioned between the first push-pull plate 3 and the plate body 2, the first push-pull plate 3 has a blocking effect on chalk dust in the process of erasing characters, so that the flying of the chalk dust can be reduced, and the health of teachers and students can be facilitated; in addition, the contents on the whole plate body 2 can be erased only by moving the first push-pull plate 3, and even if the position of the characters is higher or the height of a user is lower, the characters at the high position can be erased.
In practical use, the first push-pull plate 3 slides along the frame 1, and the brush body 4 can be brushed along the surface of the plate body 2 to erase characters on the plate body 2.
Furthermore, the multifunctional pen holder further comprises a second push-pull plate 5, wherein the second push-pull plate 5 is arranged in the frame 1 in a sliding mode, the first push-pull plate 3 is arranged between the second push-pull plate 5 and the plate body 2, and a brush body 4 matched with the writing surface of the first push-pull plate 3 is arranged on the side wall of the second push-pull plate 5.
In the present embodiment, based on fig. 1, the first push-pull plate 3 is a blackboard for writing, and the surface of the second push-pull plate 5 can also write; the length of the second push-pull plate 5 is half of the length of the frame 1, and the second push-pull plate 5 can slide along the length direction of the frame 1; the brush body 4 is fully distributed on one side of the second push-pull plate 5 facing the first push-pull plate 3, and the brush body 4 is abutted against the writing surface of the first push-pull plate 3. The addition of the second push-pull plate 5 can further increase the writable area of the blackboard; the second push-pull plate 5 slides along the frame 1, and the brush body 4 on the second push-pull plate can erase the characters on the first push-pull plate 3. The second push-pull plate 5 can also block the flying chalk dust during the erasing process.
Example 2
Please refer to fig. 1. Fig. 1 is a schematic view of the overall structure of a push-pull erasable blackboard according to an embodiment of the present invention.
The present embodiment is proposed based on the technical solution of embodiment 1, and further includes an automatic sliding mechanism, and the first push-pull plate 3 and the second push-pull plate 5 are slidably connected to the frame 1 through the automatic sliding mechanism.
In the present embodiment, the first push-pull plate 3 and the second push-pull plate 5 can automatically slide in the frame 1 by an automatic sliding mechanism; during the automatic sliding process, the brush body 4 on the first push-pull plate 3 and the brush body 4 on the second push-pull plate 5 can automatically erase the characters on the second push-pull plate 5 and the plate body 2. Compared with manual pulling, the cleaning process is more labor-saving; meanwhile, in the sliding process of the first push-pull plate 3 and the second push-pull plate 5, people do not need to stand beside the blackboard, and the influence of chalk dust on human health is further reduced.
Further, the first push-pull plate 3 and the second push-pull plate 5 are both provided with rolling wheels 6, the frame 1 is provided with a rolling groove 7, the first push-pull plate 3 and the second push-pull plate 5 are in sliding connection through the rolling wheels 6 arranged in the rolling groove 7, the automatic sliding mechanism comprises a rotating motor 8 and an electric control box 9, the rolling wheels 6 are in transmission connection with the rotating motor 8, and the electric control box 9 is connected with the rotating motor 8.
In the present embodiment, based on fig. 1, two rolling wheels 6 are respectively mounted on the top and the bottom of the first push-pull plate 3, and two rolling wheels 6 are also respectively mounted on the top and the bottom of the first push-pull plate 3; the method comprises the following steps that two rotating motors 8 with the models of PLF60-L1 are selected, and the two rotating motors 8 are respectively installed on the top of a first push-pull plate 3 and the top of a second push-pull plate 5 through bolts; the two rotating motors 8 respectively control the rolling wheels 6 on the left side of the top of the first push-pull plate 3 and the rolling wheels 6 on the left side of the top of the second push-pull plate 5; the power output shaft of the rotating motor 8 is in transmission connection with the rotating shaft of the rolling wheel 6 through a coupler; an electric control box 9 with the model of ES-AG-ANH is selected, the electric control box 9 is connected with the rotating motors 8 through leads, two groups of control buttons are arranged on the electric control box 9, and the two groups of control buttons respectively control the starting and the closing of the two rotating motors 8; each group of control buttons has two control keys which respectively control the positive rotation and the negative rotation of the rotating motor 8. When the blackboard needs to be cleaned, the sliding push-pull plate and the sliding direction thereof are selected according to the position of the first push-pull plate 3 or the second push-pull plate 5, and the first push-pull plate 3 or the second push-pull plate 5 can be controlled to slide by pressing the corresponding control key; the arrangement of the rolling wheels 6 can reduce the noise when the first push-pull plate 3 or the second push-pull plate 5 slides relative to the frame 1; the electric control box 9 can be arranged at different positions according to the habit of a user, and is more friendly to the user.
In other embodiments except the above embodiment, the top and bottom of the first push-pull plate 3 are respectively provided with three rolling wheels 6, and the top and bottom of the first push-pull plate 3 are also respectively provided with three rolling wheels 6; the number of the rotating motors 8 is two, and the two rotating motors 8 are respectively arranged at the bottom of the first push-pull plate 3 and the bottom of the second push-pull plate 5 through bolts; the two rotating motors 8 respectively control the rolling wheel 6 on the right side of the bottom of the first push-pull plate 3 and the rolling wheel 6 on the right side of the bottom of the second push-pull plate 5; gears are arranged on a power output shaft of the rotating motor 8 and a rotating shaft of the rolling wheel 6, and the rotating motor 8 is in transmission connection with the rotating shaft of the rolling wheel 6 through the gears.
Example 3
Please refer to fig. 1 and fig. 2. FIG. 1 is a schematic view of an overall structure of a push-pull erasable blackboard according to an embodiment of the present invention; fig. 2 is a schematic structural view of the buffer 10 according to the embodiment of the present invention.
In this embodiment, based on the technical solution of embodiment 1, a buffer 10 for reducing impact is disposed between the frame 1 and the first push-pull plate 3, and between the frame 1 and the second push-pull plate 5.
In the embodiment, when the first push-pull plate 3 and the second push-pull plate 5 slide to the end of the frame 1, impact occurs with the frame 1; by arranging the buffer part 10, the impact generated when the first push-pull plate 3 and the second push-pull plate 5 collide with the frame 1 can be reduced, and the damage of the first push-pull plate 3, the second push-pull plate 5 and the frame 1 can be reduced; meanwhile, the buffer part 10 can reduce the noise generated when the first push-pull plate 3 and the second push-pull plate 5 collide with the frame 1, and the influence on the mood of students or teachers is avoided.
Further, the buffer 10 includes a damping spring 11, a first sliding member 12 and a second sliding member 13, the first sliding member 12 is provided with a sliding slot 14, the second sliding member 13 is disposed in the sliding slot 14, the second sliding member 13 is slidably connected with the first sliding member 12, the first sliding member 12 is connected with the inner side wall of the frame 1, the second sliding member 13 can be abutted against the outer side walls of the first push-pull plate 3 and the second push-pull plate 5, the damping spring 11 is clamped between the first sliding member 12 and the second sliding member 13, and two ends of the damping spring 11 are respectively connected with the first sliding member 12 and the second sliding member 13.
In the present embodiment, based on fig. 1 and fig. 2, the number of the buffering members 10 is two, wherein one buffering member 10 is installed on the inner side wall of the left side frame of the frame 1, and the other buffering member 10 is installed on the inner side wall of the right side frame of the frame 1; the first sliding part 12 is connected with the inner side wall of the frame 1 through a bolt, a sliding groove 14 matched with the second sliding part 13 in shape is formed in the end part, far away from the side wall of the frame 1, of the first sliding part 12, and the second sliding part 13 is arranged in the sliding groove 14 in a sliding mode; two ends of the damping spring 11 are respectively connected with the first sliding part 12 and the second sliding part 13; the damping spring 11 can play a damping role and simultaneously prevent the first sliding part 12 from being separated from the second sliding part 13; when the first push-pull plate 3 or the second push-pull plate 5 slides to the two sides of the frame 1, the side wall of the first push-pull plate abuts against the second sliding part 13, the second sliding part 13 is extruded towards the first sliding part 12, the first sliding part 12 slides along the sliding groove 14, and the damping spring 11 is compressed; the damping spring 11 acts as a buffer during compression.
In other embodiments except the above embodiment, the number of the buffering members 10 is four, two buffering members 10 are installed on the inner side wall of the left side frame of the frame 1, and the other two buffering members 10 are installed on the inner side wall of the right side frame of the frame 1.
In other embodiments except the above embodiments, the buffer member 10 is a buffer foam, and the buffer foam is attached to the inner side walls of the left and right side frames of the frame 1; the buffering foam has the advantages of low production cost and simplicity in installation.
In other embodiments except for the above embodiment, the buffer member 10 is made of buffer foam, and the buffer foam is attached to the left and right side walls of the first push-pull plate 3 and the second push-pull plate 5.
Example 4
Please refer to fig. 1. Fig. 1 is a schematic view of the overall structure of a push-pull erasable blackboard according to an embodiment of the present invention.
In this embodiment, it is proposed based on the technical solution of embodiment 1 that the second push-pull plate 5 is an electronic whiteboard.
In this embodiment, since the second push-pull plate 5 is at the outermost layer and there is no carrier for carrying the brush 4, the second push-pull plate 5 is configured such that the electronic whiteboard does not need to be cleaned by the brush 4; meanwhile, by arranging the electronic whiteboard, the intelligent effect of the blackboard can be enhanced, and the teaching effect is improved.
Example 5
Please refer to fig. 1. Fig. 1 is a schematic view of the overall structure of a push-pull erasable blackboard according to an embodiment of the present invention.
In this embodiment, it is provided based on the technical solution of embodiment 1 that the second push-pull plate 5 is a liquid crystal handwriting board, the second push-pull plate 5 is provided with a handwriting pen 15 in a matching manner, and the handwriting pen 15 is magnetically connected with the second push-pull plate 5.
In the embodiment, the liquid crystal handwriting board has the advantage that chalk dust is not generated in the writing and erasing processes, and is beneficial to the health of teachers and students; meanwhile, since the second push-pull plate 5 is at the outermost layer and there is no carrier for carrying the brush 4, the second push-pull plate 5 is configured as a liquid crystal writing pad that does not need to be cleaned by the brush 4.
In the above embodiment, the liquid crystal handwriting board further comprises a handwriting pen 15, the handwriting pen 15 is used for writing on the liquid crystal handwriting board, and the handwriting pen 15 is magnetically connected with the second push-pull plate 5; the shape of the writing pen 15 is the same as that of a common chalk, so that a user can conveniently and seamlessly switch between the writing pen 15 and the chalk; a magnet is arranged inside the stylus pen 15, the wall surface of the second plate body 2 is provided with the magnet, and the stylus pen 15 is connected with the second plate body 2 in a magnetic attraction manner; the magnetic connection is easy to take and fix, and the stylus pen 15 is not easy to lose.
Example 6
Please refer to fig. 3. Fig. 3 is a schematic view of the whole structure of the push-pull erasable blackboard according to the embodiment of the present invention after being disassembled.
In this embodiment, based on the technical solution of embodiment 1, the frame 1 is detachable from the frame perpendicular to the sliding direction of the first push-pull plate 3 and the second push-pull plate 5.
In the embodiment, the frame 1 is a rectangular structure, the first push-pull plate 3 and the second push-pull plate 5 slide along the horizontal direction of the frame 1, and the frame on the right side of the frame 1 is detachably connected with the frame 1 through bolts; when the first push-pull plate 3 or the second push-pull plate 5 needs to be replaced due to damage or service life, or the brush body 4 on the first push-pull plate 5 needs to be cleaned or replaced, the right side frame of the frame 1 is detached, and the first push-pull plate 3 and the second push-pull plate 5 can be detached from the frame 1 by sliding along the rolling groove 7.
In other embodiments than the above, the frame 1 has a rectangular structure, the first push-pull plate 3 and the second push-pull plate 5 slide along the vertical direction of the frame 1, and the frame on the top of the frame 1 is detachably connected with the frame 1 through bolts.
In other embodiments except the above embodiments, the frame 1 has a rectangular structure, the first push-pull plate 3 and the second push-pull plate 5 slide along the horizontal direction of the frame 1, and the frame on the right side of the frame 1 is magnetically connected with the frame 1.
Example 7
Please refer to fig. 4. Fig. 4 is a cross-sectional view of the overall structure of the push-pull erasable blackboard according to the embodiment of the present invention.
The present embodiment proposes that, based on the technical solution of embodiment 1, the frame 1 is provided with a groove 16 for collecting chalk dust.
In this embodiment, based on fig. 4, a groove 16 is formed between the first push-pull plate 3 and the plate body 2, and between the second push-pull plate 5 and the first push-pull plate 3, the groove 16 is formed on the inner side wall of the bottom edge of the frame 1, and the length of the groove 16 is the same as the length of the bottom edge of the frame 1; when the brush body 4 sweeps the chalk dust off, the chalk dust is collected in the groove 16; by arranging the groove 16 for collecting chalk dust, the chalk dust can be prevented from being accumulated at the joint of the first push-pull plate 3 and the frame 1 and the joint of the second push-pull plate 5 and the frame 1 to influence the sliding of the first push-pull plate 3 and the second push-pull plate 5; meanwhile, in the sliding process of the first push-pull plate 3 or the second push-pull plate 5, the disturbance to the chalk dust at the bottom is reduced, and the flying of the chalk dust is reduced.
To sum up, the utility model provides a push-and-pull erasable blackboard, including frame 1, plate body 2 and first push-and-pull board 3, plate body 2 is installed in frame 1, and first push-and-pull board 3 slides and sets up in frame 1, installs on the lateral wall of first push-and-pull board 3 and writes surface matched with brush body 4 with plate body 2. The first push-pull plate 3 is arranged in the frame 1 in a sliding manner, the back surface of the first push-pull plate is provided with a brush body 4, the first push-pull plate 3 slides along the frame 1, and the brush body 4 on the first push-pull plate can erase characters on the plate body 2; the first push-pull plate 3 drives the brush body 4 to erase characters on the plate body 2 by utilizing the sliding function of the first push-pull plate 3, and compared with an eraser with a smaller area for erasing characters, the first push-pull plate 3 with a larger area saves the time for erasing characters; meanwhile, as the brush body 4 is positioned between the first push-pull plate 3 and the plate body 2, the first push-pull plate 3 has a blocking effect on chalk dust in the process of erasing characters, so that the flying of the chalk dust can be reduced, and the health of teachers and students can be facilitated; in addition, the contents on the whole plate body 2 can be erased only by moving the first push-pull plate 3, and even if the position of the characters is higher or the height of a user is lower, the characters at the high position can be erased. The utility model can erase the characters on the plate body 2 while moving the first push-pull plate 3 by arranging the brush body 4 on the side wall of the first push-pull plate 3, thereby saving the cleaning time and blocking the flying chalk dust; meanwhile, the shorter people can clean the blackboard conveniently.
In practical use, the first push-pull plate 3 slides along the frame 1, and the brush body 4 can be brushed along the surface of the plate body 2 to erase characters on the plate body 2.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The push-pull erasable blackboard is characterized by comprising a frame, a blackboard body and a first push-pull plate, wherein the blackboard body is installed in the frame, the first push-pull plate is arranged in the frame in a sliding mode, and a brush body matched with the writing surface of the blackboard body is installed on the side wall of the first push-pull plate.
2. A push-pull erasable blackboard according to claim 1, further comprising a second push-pull plate slidably disposed within the frame, wherein the first push-pull plate is disposed between the second push-pull plate and the board body, and wherein a brush body is mounted on a side wall of the second push-pull plate for engaging a writing surface of the first push-pull plate.
3. A push-pull erasable blackboard according to claim 2, further comprising an automatic sliding mechanism, wherein the first push-pull plate and the second push-pull plate are slidably connected to the frame through the automatic sliding mechanism.
4. A push-pull erasable blackboard according to claim 3, wherein the first push-pull plate and the second push-pull plate are both provided with rolling wheels, the frame is provided with rolling grooves, the first push-pull plate and the second push-pull plate are slidably connected through the rolling wheels arranged in the rolling grooves, the automatic sliding mechanism includes a rotating motor and an electric control box, the rolling wheels are in transmission connection with the rotating motor, and the electric control box is connected with the rotating motor.
5. A push-pull erasable blackboard according to claim 2, wherein shock absorbing members for reducing shock are provided between the frame and the first push-pull plate and between the frame and the second push-pull plate.
6. The push-pull erasable blackboard of claim 5, wherein the buffer includes a damping spring, a first slider and a second slider, the first slider defines a sliding slot, the second slider is disposed in the sliding slot, the second slider is slidably connected to the first slider, the first slider is connected to the inner sidewall of the frame, the second slider is capable of abutting against the outer sidewalls of the first push-pull plate and the second push-pull plate, the damping spring is clamped between the first slider and the second slider, and two ends of the damping spring are respectively connected to the first slider and the second slider.
7. A push-pull erasable blackboard according to claim 2, wherein the second push-pull plate is an electronic whiteboard.
8. A push-pull erasable blackboard according to claim 2, wherein the second push-pull plate is a liquid crystal writing pad, the second push-pull plate is provided with a writing pen in a matching manner, and the writing pen is magnetically connected with the second push-pull plate.
9. A push-pull erasable blackboard according to claim 2, wherein the frame has a frame detachable from the frame perpendicular to the sliding direction of the first push-pull plate and the second push-pull plate.
10. A push-pull erasable blackboard according to claim 2, wherein the frame is provided with a groove for collecting chalk dust.
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| CN202120737422.2U CN214822176U (en) | 2021-04-12 | 2021-04-12 | Push-pull erasable blackboard |
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| CN202120737422.2U CN214822176U (en) | 2021-04-12 | 2021-04-12 | Push-pull erasable blackboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115534559A (en) * | 2022-11-04 | 2022-12-30 | 黄益冬 | Language teaching device for colleges and universities |
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2021
- 2021-04-12 CN CN202120737422.2U patent/CN214822176U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115534559A (en) * | 2022-11-04 | 2022-12-30 | 黄益冬 | Language teaching device for colleges and universities |
| CN115534559B (en) * | 2022-11-04 | 2023-12-19 | 北京金通元祐科贸有限公司 | Language teaching device for universities |
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