CN210348913U

CN210348913U - Teaching board for computer teaching

Info

Publication number: CN210348913U
Application number: CN201921403530.5U
Authority: CN
Inventors: 车营; 郭强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-17
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a teaching board for computer teaching, including base and sheet frame, the inside of sheet frame is inlayed and is had the clipboard, the front gliding laminating from top to bottom of clipboard has the bar eraser, the top of sheet frame is fixed with the dust removal case, the dust cage towards the one side of bar eraser is installed the suction hood of opening down, the inside of dust removal case is fixed with the dust catcher, the dust catcher passes through the dust absorption pipe intercommunication with the suction hood, but the clipboard is from the one side horizontal slip's of bar eraser install the accessory plate, the laminating of the front detachable of accessory plate has projection cloth, through lifting support fixed connection between sheet frame and the base, the last fixed surface of base has the storage tank, the inside mutually independent locker room that is equipped with of storage tank. The utility model discloses, through the cooperation of bar blackboard eraser and suction hood, both be convenient for clean the writing board, reduced again and cleaned the condition of in-process dust diffusion pollution indoor environment.

Description

Teaching board for computer teaching

Technical Field

The utility model relates to a computer teaching technical field specifically is a computer teaching is with teaching board.

Background

The computer is commonly called computer, is an electronic computer for high-speed calculation, can perform numerical calculation and logic calculation, and also has the function of storage and memory. The intelligent electronic device is a modern intelligent electronic device capable of operating according to programs, automatically and high-speed processing mass data, a computer teacher needs to write teaching contents on a teaching board when explaining computer knowledge to students, and the teaching board is fixed in size and can only write a certain amount of teaching contents, so that new contents are frequently erased and written after explanation, but the existing teaching board for computer teaching is not provided with a device for erasing, the erasing process needs to be performed by means of small blackboard eraser, time and labor are wasted, a large amount of dust is diffused in the erasing process, the environment is polluted, the functions are fewer, and the teaching use requirements of the teacher cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching board is used in computer teaching possesses the advantage of being convenient for clean and inhale the ash dust fall, has solved the inconvenient clean scheduling problem after the teaching board uses.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching board for computer teaching comprises a base and a board frame, wherein a writing board is embedded in the board frame, the front surface of the writing board is jointed with a strip-shaped eraser which can slide up and down, the upper end surface of the strip-shaped eraser is connected with the inner top edge of the plate frame through an extension spring, a push-pull handle is arranged on the strip-shaped eraser, a dust removal box is fixed at the top of the plate frame, a dust hood with a downward opening is arranged on one surface of the dust removal box facing the strip-shaped eraser, a dust collector is fixed in the dust removing box and is communicated with the dust hood through a dust collecting pipe, an auxiliary board is arranged on one side of the writing board, which is far away from the strip-shaped eraser, and can slide left and right, the front surface of the auxiliary board is detachably attached with projection cloth, through lifting support fixed connection between sheet frame and the base, the last fixed surface of base has the storage tank, the inside mutually independent locker room that is equipped with of storage tank.

Preferably, the lifting support comprises an outer sleeve and an inner sleeve rod, the bottom end of the outer sleeve is fixedly welded on the upper surface of the base, one end of the inner sleeve rod is inserted in the outer sleeve in a telescopic mode, the other end of the inner sleeve rod is fixedly connected with the bottom edge of the plate frame, adjusting holes are formed in the corresponding positions of the inner sleeve rod and the outer sleeve, and butterfly fastening nuts are inserted in the adjusting holes.

Preferably, two sliding grooves which are in a vertical state are symmetrically arranged on two sides in the board frame, two balls with the same size are installed at two ends of the strip-shaped eraser, and the two balls are respectively clamped in the two sliding grooves in a sliding mode.

Preferably, the bottom edge of the plate frame is fixed with an ash receiving hopper, the length of the ash receiving hopper is matched with that of the writing board, the interior of the ash receiving hopper is inclined towards the center, an ash discharging port is formed in the center of the ash receiving hopper, and a sealing plug is filled in the ash discharging port.

Preferably, the projection cloth has a size corresponding to that of the auxiliary plate, and the projection cloth is fastened to the auxiliary plate through a snap.

Preferably, two support plates are symmetrically arranged on the upper side and the lower side of one surface of the writing board, which is away from the strip-shaped eraser, slide rails are horizontally arranged on the opposite surfaces of the two support plates, slide bars are arranged on the top edge and the bottom edge of the auxiliary board, and the two slide bars are respectively clamped on the two slide rails in a sliding manner.

Preferably, the two sides of the front surface of the storage box are hinged with box doors, a seat plate is fixed at the top of the storage box, and a rubber cushion is laid on the upper surface of the seat plate.

Preferably, a controller is fixed on one side of the plate frame close to the dust hopper, the controller is electrically connected with the dust collector, and a switch button is arranged on the controller.

Preferably, the bottom four corners of base are installed and are removed the wheel, it is provided with the brake block to remove to take turns.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses an outer sleeve, inner loop pole, regulation hole and butterfly fastening nut that set up have reached the effect of adjusting the clipboard height, and during the teaching, the teacher's accessible loosens the butterfly fastening nut on the regulation hole, adjusts the inner loop pole and stretches out or stretch into certain length from the outer sleeve, screws up butterfly fastening nut afterwards, makes the clipboard rise or descend to suitable height to reduce the clipboard too high or cross lowly and the inconvenience brought for the teaching.

Two, the utility model discloses a bar blackboard eraser that sets up, the ball, the spout, push-and-pull handle and extension spring, the clear effect to the clipboard has been reached, when cleaning the clipboard, push-and-pull handle is pulled downwards, extension spring between bar blackboard eraser and the sheet frame is tensile deformation under the effect of external force, bar blackboard eraser is under the roll cooperation of ball and spout simultaneously, remove and clean the chalk word on the clipboard along the clipboard downstream, after cleaning, loosen push-and-pull handle, bar blackboard eraser is under extension spring's elasticity restoring force effect, the ball at its both ends upwards rolls along the spout, make bar blackboard eraser resume initial position, thereby the clean degree of difficulty and the intensity of clipboard have been reduced.

The dust diffusion effect when the writing board is clean is achieved through the dust hood, the dust collector and the controller which are arranged, the controller is electrically connected with the dust collector, the switch button on the controller controls the dust collector to operate, the dust collector can absorb and collect dust which is wiped off through the dust collection pipe and the dust hood when working, and therefore the effect of reducing dust which scatters to pollute the indoor environment is achieved, and the dust collector is more convenient to use.

The auxiliary board, the projection cloth, the supporting plate, the sliding groove and the sliding strip are arranged, the effect of facilitating teaching video projection is achieved, the sliding strip slides left and right along the sliding groove, the auxiliary board is convenient to pull out, the auxiliary board is convenient to move to the position right behind the writing board after projection use, the whole size is reduced, and the occupied space is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front sectional view of the plate frame of the present invention;

fig. 3 is a side view of the plate frame of the present invention;

FIG. 4 is a sectional view of the inside of the dust box of the present invention;

fig. 5 is a top view of the ash receiving hopper of the present invention.

In the figure: 1-base, 2-sheet frame, 3-writing board, 4-lifting bracket, 5-extension spring, 6-strip eraser, 7-dust hood, 8-dust removal box, 9-auxiliary board, 10-projection cloth, 11-hasp, 12-adjusting hole, 13-inner loop bar, 14-outer sleeve, 15-butterfly fastening nut, 16-moving wheel, 17-rubber cushion, 18-seat board, 19-storage box, 20-storage chamber, 21-chamber door, 22-brake pad, 23-ash receiving bucket, 24-switch button, 25-controller, 26-chute, 27-ball, 28-push-pull handle, 29-supporting board, 30-slide rail, 31-slide bar, 32-dust collector, 33-dust collecting tube, 34-ash discharge port.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a teaching board for computer teaching comprises a base 1 and a board frame 2, wherein a writing board 3 is embedded in the board frame 2, a bar-shaped eraser 6 is attached to the front surface of the writing board 3 in a vertically sliding manner, the upper end surface of the bar-shaped eraser 6 is connected with the inner top edge of the board frame 2 through a tension spring 5, a push-pull handle 28 is installed on the bar-shaped eraser 6, when teaching contents on the writing board 3 need to be rewritten and replaced, the push-pull handle 28 is held and pulled downwards, chalk characters on the writing board 3 are wiped off in the downward moving process of the bar-shaped eraser 6, so that the cleaning effect is achieved, a dust removal box 8 is fixed at the top of the board frame 2, a dust hood 7 with a downward opening is installed on one surface of the dust removal box 8 facing the bar-shaped eraser 6, a dust collector 32 is fixed in the dust removal box 8, the dust collector 32 is of a DX700 type, the dust collector 32 is small in size and stable and reliable in work, and is communicated with the dust hood, in the process of cleaning the writing board 3, the dust collector 32 can be switched on to work by connecting an external power supply, the dust collector 32 can generate induced air suction when working, and dust diffused in the cleaning process is introduced into a cavity of the dust collector through the dust hood 7 and the dust suction pipe 33, so that the effect of reducing the dust diffusion pollution environment is achieved, the auxiliary board 9 is installed on one side, which is far away from the strip-shaped blackboard eraser 6, of the writing board 3 in a left-right sliding mode, the projection cloth 10 is detachably attached to the front side of the auxiliary board 9, in the teaching process, a teacher can project some computer teaching video contents on the projection cloth 10 by means of external projection instruments to increase the teaching effect, the plate frame 2 is fixedly connected with the base 1 through the lifting support 4, the storage box 19 is fixed on the upper surface of the base 1, mutually independent storage chambers 20 are arranged in the storage box 19, and the storage chambers 20 can be used for storing some, so as to be convenient for taking and using in the teaching process.

The lifting support 4 comprises an outer sleeve 14 and an inner loop bar 13, the bottom end of the outer sleeve 14 is fixedly welded on the upper surface of the base 1, one end of the inner loop bar 13 is telescopically inserted into the outer sleeve 14, the other end of the inner loop bar 13 is fixedly connected with the bottom edge of the plate frame 2, an adjusting hole 12 is arranged at the corresponding position of the inner loop bar 13 and the outer sleeve 14, a butterfly fastening nut 15 is inserted into the adjusting hole 12, a teacher can adjust the inner loop bar 13 to extend out of or into the outer sleeve 14 by loosening the butterfly fastening nut 15 on the adjusting hole 12 during teaching, then the butterfly fastening nut 15 is screwed down to enable the writing board 3 to rise or fall to a proper height so as to reduce inconvenience brought to the teaching due to overhigh or overlow writing board 3, two sliding grooves 26 in a vertical state are symmetrically arranged at two sides in the plate frame 2, two ends of the strip-shaped eraser 6 are provided with two balls 27 with, the two balls 27 are respectively clamped in the two sliding grooves 26 in a sliding manner, after the writing board is wiped, the push-pull handle is loosened after the wiping is finished, the balls at the two ends of the bar-shaped board wiper roll upwards along the sliding grooves under the elastic restoring force action of the extension spring, and the bar-shaped board wiper is restored to the initial position, so that the cleaning difficulty and the cleaning strength of the writing board are reduced.

An ash receiving hopper 23 is fixed at the bottom edge of the plate frame 2, the length of the ash receiving hopper 23 is matched with that of the writing board 3, the ash receiving hopper 23 can contain dust wiped off from the writing board 3 for centralized treatment, the interior of the ash receiving hopper 23 is inclined towards the center, an ash discharging port 34 is formed in the center of the ash receiving hopper 23 for conveniently discharging the dust in the ash receiving hopper 23, a sealing plug is filled in the ash discharging port 34, the sealing plug in the ash discharging port 34 is opened, the size of the projection cloth 10 is matched with that of the auxiliary board 9, the projection cloth 10 is fastened on the auxiliary board 9 through a hasp 11, two support plates 29 are symmetrically arranged on the upper side and the lower side of one surface of the writing board 3, which is far away from the strip-shaped eraser 6, slide rails 30 are horizontally arranged on the opposite surfaces of the two support plates 29, slide bars 31 are arranged on the top edge and the bottom edge of the auxiliary board 9, the two slide bars 31 are respectively slidably clamped on the two slide rails 30, and slide bars 31 slide left and right along the slide, not only facilitating the pulling out of the auxiliary board 9, but also facilitating the movement of the auxiliary board 9 to the right back of the writing board 3 after the projection use, reducing the whole volume and occupying no space, wherein, two sides of the front of the storage box 19 are hinged with box doors 21, the top of the storage box 19 is fixed with a seat board 18, the upper surface of the seat board 18 is paved with a rubber cushion 17 which facilitates the accumulation of the teacher, the multifunctional chair has the advantages that the chair has a rest function, the use effect is good, the controller 25 is fixed at the position, close to the ash receiving hopper 23, of one side of the plate frame 2, the controller 25 is electrically connected with the dust collector 32, the switch button 24 is arranged on the controller 25, the controller 25 adopts a PLC model, this model controller 25 is small and exquisite more, and actual operation is more simple and convenient, and the bottom four corners of base 1 is installed and is removed wheel 16, removes and is provided with brake block 22 on the wheel 16, through the setting that removes the wheel for the bulk movement is more nimble, convenient.

The working principle is as follows: when the teaching board for computer teaching is used, the teaching board is moved into a classroom, the moving wheel 16 is locked by the brake block 22, then the butterfly-shaped fastening nut 15 on the lifting support 4 is loosened, the inner sleeve rod 13 is forcibly extended out of the outer sleeve 14 or into a certain distance, then the butterfly-shaped fastening nut 15 is screwed in the corresponding adjusting hole 12, the writing board 3 is lifted or lowered to a proper height, then chalk and teaching books are taken out of the storage box, teaching contents are written on the writing board 3 and a lecture can be given, when the teaching contents on the writing board 3 need to be rewritten and replaced, the push-pull handle 28 on the bar-shaped board eraser 6 is held by a hand and pulled downwards, the tension spring 5 between the bar-shaped board eraser 6 and the board frame 2 is stretched and deformed under the action of external force, meanwhile, the bar-shaped board eraser 6 moves downwards along with the writing board 3 and wipes off the chalk characters on the writing board 3, after the cleaning is finished, the push-pull handle 28 is released, the balls 27 at the two ends of the strip-shaped eraser 6 roll upwards along the sliding groove 26 under the action of the elastic restoring force of the extension spring 5, so that the strip-shaped eraser 6 is restored to the initial position, in the process of cleaning the writing board 3, a user can start the dust collector 32 through the switch button 24 on the controller 25, the dust collector 32 absorbs and collects the scattered and flying dust in the cleaning process through the dust collecting pipe 33 and the dust hood 7 when working, so that the pollution of the dust diffusion to the indoor environment can be reduced, meanwhile, in the teaching process, a teacher can pull out the auxiliary board 9 behind the writing board 3 rightwards to expose the projection cloth 10 on the auxiliary board 9, then project teaching videos on the projection cloth 10 by means of an external projector, after the projection is finished, push the auxiliary board 9 leftwards, the sliding strip 31 moves along the sliding rail 30, and finally, the auxiliary plate 9 is movably fixed between two support plates 29 behind the writing board 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a computer teaching is with teaching board, includes base (1) and sheet frame (2), its characterized in that: the blackboard eraser is characterized in that a writing board (3) is embedded in the board frame (2), the front surface of the writing board (3) can be vertically and slidably attached to a bar-shaped eraser (6), the upper end face of the bar-shaped eraser (6) is connected with the top edge of the board frame (2) through a tension spring (5), a push-pull handle (28) is installed on the bar-shaped eraser (6), a dust removal box (8) is fixed at the top of the board frame (2), a dust hood (7) with a downward opening is installed on one surface of the dust removal box (8) facing the bar-shaped eraser (6), a dust collector (32) is fixed in the dust removal box (8), the dust collector (32) is communicated with the dust hood (7) through a dust collection pipe (33), an auxiliary board (9) can be horizontally and slidably installed on one surface of the writing board (3) facing away from the bar-shaped eraser (6), and projection cloth (10) is detachably attached to the front surface of the auxiliary board (9), through lifting support (4) fixed connection between sheet frame (2) and base (1), the upper surface of base (1) is fixed with storage tank (19), storage tank (19) inside is equipped with mutually independent locker room (20).

2. A teaching board for computer teaching according to claim 1, wherein: lifting support (4) include outer sleeve (14) and interior loop bar (13), the bottom fixed welding of outer sleeve (14) is on base (1) upper surface, the flexible grafting of one end of interior loop bar (13) is in outer sleeve (14), the other end of interior loop bar (13) and the base fixed connection of sheet frame (2), be equipped with regulation hole (12) on interior loop bar (13) and the corresponding position of outer sleeve (14), butterfly fastening nut (15) are equipped with in the interpolation of regulation hole (12).

3. A teaching board for computer teaching according to claim 1, wherein: the inside bilateral symmetry of sheet frame (2) is equipped with two spout (26) that are vertical state, two equidimension balls (27) are installed at the both ends of bar blackboard eraser (6), two balls (27) slide joint respectively in two in spout (26).

4. A teaching board for computer teaching according to claim 1, wherein: the bottom of sheet frame (2) is fixed with connects ash bucket (23), the length that connects ash bucket (23) and the length looks adaptation of clipboard (3), the inside that connects ash bucket (23) is to central slope form, and connects the center department of ash bucket (23) and seted up ash discharge mouth (34), the sealing plug has been filled in to ash discharge mouth (34).

5. A teaching board for computer teaching according to claim 1, wherein: the upper side and the lower side of one surface, which is far away from the strip-shaped eraser (6), of the writing board (3) are symmetrically provided with two supporting plates (29), the two opposite surfaces of the supporting plates (29) are horizontally provided with sliding rails (30), the top edge and the bottom edge of the auxiliary board (9) are respectively provided with sliding strips (31), and the two sliding strips (31) are respectively clamped on the two sliding rails (30) in a sliding manner.

6. A teaching board for computer teaching according to claim 1, wherein: two sides of the front surface of the storage box (19) are hinged with box doors (21), a seat plate (18) is fixed at the top of the storage box (19), and a rubber cushion (17) is laid on the upper surface of the seat plate (18).

7. A teaching board for computer teaching according to claim 1, wherein: the size of the projection cloth (10) is matched with that of the auxiliary plate (9), and the projection cloth (10) is fastened on the auxiliary plate (9) through a buckle (11).

8. A teaching board for computer teaching according to claim 1, wherein: a controller (25) is fixed at a position close to the ash hopper (23) on one side of the plate frame (2), the controller (25) is electrically connected with the dust collector (32), and a switch button (24) is arranged on the controller (25).

9. A teaching board for computer teaching according to claim 1, wherein: the bottom four corners of base (1) are installed and are removed wheel (16), be provided with brake block (22) on removing wheel (16).