CN210363124U

CN210363124U - Electric blackboard eraser

Info

Publication number: CN210363124U
Application number: CN201821936460.5U
Authority: CN
Inventors: 许涵山; 梁昕; 张伟伟
Original assignee: Nanjing Institute of Mechatronic Technology
Current assignee: Nanjing Institute of Mechatronic Technology
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2020-04-21
Anticipated expiration: 2028-11-23

Abstract

The utility model discloses an electric blackboard eraser, including blackboard main part, first erection column, second erection column and removal base plate, first erection column and second erection column are installed respectively to the upper end and the lower extreme of blackboard main part, first erection column with the second erection column about the blackboard main part is the symmetric distribution, first erection column with the baffle is all installed at the both ends of second erection column, the baffle about first erection column with the second erection column is the symmetric distribution, first erection column with the slide rail is all installed to the intermediate position department of second erection column surface upper end, the removal fixture block is all installed to the both sides of the inside intermediate position department of slide rail, remove the fixture block and be in the inside symmetric distribution that is of slide rail, two the slide rail about the blackboard main part is the symmetric distribution. The utility model discloses a set up a series of structures and make this device have the characteristics of being convenient for remove and reduce friction.

Description

Electric blackboard eraser

Technical Field

The utility model relates to a teaching facility apparatus field specifically is an electric blackboard eraser.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard and is mainly used for teaching, is generally made of wood boards or ground glass and can be written on by specific writing materials such as chalk and the like, the black board is mostly black, dark green, white or beige, the green board is dark green, the blackboard is written by chalk, does not irritate human eyes and is beneficial to the protection of eyesight, the white board is white, various water-based colored pens are used for writing, blackboard newspaper takes a fixed or movable blackboard as a carrier, and chalk or advertising pigment as a popular propaganda place of a writing and drawing tool.

The blackboard is the indispensable facility in the teaching, need clean the blackboard before class, and present blackboard adopts manual clean of wiping more, wastes time and energy, also makes the teacher's dust fly upward easily, influences the inside environment in classroom, and the higher place of blackboard moreover, and the upper end of blackboard is hardly wiped to short classmate and mr, influences the use, consequently, we have proposed an electronic blackboard eraser solution problem in order to solve this a series of problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric blackboard eraser to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electric blackboard eraser comprises a blackboard main body, a first mounting column, a second mounting column and a movable base plate, wherein the first mounting column and the second mounting column are respectively installed at the upper end and the lower end of the blackboard main body, the first mounting column and the second mounting column are symmetrically distributed relative to the blackboard main body, baffles are respectively installed at the two ends of the first mounting column and the second mounting column, the baffles are symmetrically distributed relative to the first mounting column and the second mounting column, slide rails are respectively installed at the middle positions of the upper ends of the surfaces of the first mounting column and the second mounting column, movable clamping blocks are respectively installed at the two sides of the middle positions inside the slide rails, the movable clamping blocks are symmetrically distributed inside the slide rails, the slide rails are symmetrically distributed relative to the blackboard main body, a movable frame is installed at one side of the upper end of the surface of the blackboard main body, and an installation plate is arranged at the upper end of the movable frame, the lower ends of two ends of the mounting plate are respectively provided with a telescopic rod, the two telescopic rods are symmetrically distributed around the mounting plate, the lower ends of the two telescopic rods are respectively provided with a clamping block, the two clamping blocks are symmetrically distributed around the mounting plate, the clamping blocks are in a convex shape, mounting bolts are respectively arranged on two sides of the lower end of the clamping block, movable wheels are respectively sleeved on the surfaces of the two mounting bolts, the two movable wheels are symmetrically distributed in the clamping blocks, the two clamping blocks are fixedly connected with the slide rail in a clamping manner, the movable wheels are fixedly connected with the movable clamping blocks in the slide rail in a clamping manner, the clamping blocks move in the slide rail, one side of the blackboard main body is provided with a movable base plate, the movable base plate is positioned on one side of the first mounting column and fixedly connected with the first mounting column, and one side of the upper end of the surface of the movable base plate is provided with a, the interlock rack is installed to the opposite side of removal base plate surface upper end, the fixed plate is installed to the upper end of removal base plate surface, the motor mounting bracket is installed to one side of fixed plate surface upper end, the internally mounted of motor mounting bracket has driving motor, the interlock gear is installed to driving motor's output, the interlock gear passes remove the base plate with interlock rack toothing connects, the one end of fixed plate with remove a fixed connection.

Preferably, the lower end of the mounting plate is provided with three connecting rods, the lower ends of the three connecting rods are provided with connecting plates, and the lower ends of the surfaces of the connecting plates are provided with blackboard eraser blocks.

Preferably, the three connecting rods are symmetrically distributed on the surface of the movable frame and are located at the inner sides of the telescopic rods, the upper ends of the three connecting rods are fixedly connected with the lower end of the mounting plate and the lower end of the connecting plate.

Preferably, the connecting plate is located at the upper end of the surface of the blackboard main body and located on the opposite surface of the first mounting column and the second mounting column.

Preferably, a clamping groove is installed on one side of the lower end of the surface of the movable substrate, the clamping groove is concave, and the clamping groove is in clamping connection with the sliding block.

Preferably, the mounting groove has been seted up to the one end of mounting panel, the inside cover of mounting groove is equipped with the fixed plate, and passes through fixing bolt fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization through fixed plate and driving motor's setting for the integrated device has fine removal effect, and the interlock gear and the interlock rack toothing of the driving motor output of fixed plate upper end are connected, drive the fixed plate and remove, and the integrated device of being convenient for has good removal effect, is convenient for drive the removal frame and removes.

Through the setting that removes the frame for the integrated device has fine effect of cleaning, drive when the fixed plate removes and remove the frame and remove, remove the solid piece of frame lower extreme card and remove inside the slide rail, through the setting of movable wheel, reduced the friction when making to remove the frame and remove, more made things convenient for overall structure's removal, through the setting of telescopic link, make the integrated device have fine regulation effect, be convenient for adjust the height of blackboard eraser piece.

Drawings

FIG. 1 is a schematic diagram of the structure of the device of the present invention;

FIG. 2 is a schematic side view of the apparatus of the present invention;

fig. 3 is a schematic diagram of a structure in fig. 2 according to the present invention.

In the figure: the blackboard comprises a blackboard body 1, a first mounting column 2, a second mounting column 3, a movable base plate 4, a movable frame 5, a baffle 6, a telescopic rod 7, a mounting plate 8, a connecting plate 9, a connecting rod 10, a blackboard eraser block 11, a fixing bolt 12, an engaging gear 13, a motor mounting frame 14, a driving motor 15, an engaging rack 16, a fixing plate 17, a sliding block 18, a clamping groove 19, a clamping block 20, a movable clamping block 21, a sliding rail 22, a mounting bolt 23 and a movable wheel 24.

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. 1-3, the present invention provides a technical solution: an electric blackboard eraser comprises a blackboard main body 1, a first mounting column 2, a second mounting column 3 and a movable base plate 4, wherein the upper end and the lower end of the blackboard main body 1 are respectively provided with the first mounting column 2 and the second mounting column 3, the first mounting column 2 and the second mounting column 3 are symmetrically distributed relative to the blackboard main body 1, two ends of the first mounting column 2 and the second mounting column 3 are respectively provided with a baffle 6, the baffles 6 are symmetrically distributed relative to the first mounting column 2 and the second mounting column 3, the middle positions of the upper ends of the surfaces of the first mounting column 2 and the second mounting column 3 are respectively provided with a slide rail 22, two sides of the middle position inside the slide rail 22 are respectively provided with a movable clamping block 21, the movable clamping blocks 21 are symmetrically distributed inside the slide rails 22, the two slide rails 22 are symmetrically distributed relative to the blackboard main body 1, one side of the upper end of the surface of the blackboard main body 1 is provided with a movable frame 5, the upper end of, the lower ends of two ends of the mounting plate 8 are respectively provided with a telescopic rod 7, the two telescopic rods 7 are symmetrically distributed about the mounting plate 8, the lower ends of the two telescopic rods 7 are respectively provided with a clamping block 20, the two clamping blocks 20 are symmetrically distributed about the mounting plate 8, the clamping blocks 20 are in a convex shape, the two sides of the lower end of each clamping block 20 are respectively provided with a mounting bolt 23, the surfaces of the two mounting bolts 23 are respectively sleeved with a movable wheel 24, the two movable wheels 24 are symmetrically distributed in the clamping blocks 20, the two clamping blocks 20 are fixedly connected with a slide rail 22, the movable wheels 24 are fixedly connected with a movable clamping block 21 in the slide rail 22, the clamping blocks 20 move in the slide rail 22, one side of the blackboard main body 1 is provided with a movable base plate 4, the movable base plate 4 is positioned on one side of the first mounting column 2 and fixedly connected with the first mounting column 2, one side of the upper end of the surface of the movable base, the upper end on the surface of the movable substrate 4 is provided with a fixed plate 17, one side of the upper end on the surface of the fixed plate 17 is provided with a motor mounting frame 14, a driving motor 15 is arranged inside the motor mounting frame 14, the output end of the driving motor 15 is provided with an engagement gear 13, the engagement gear 13 penetrates through the movable substrate 4 to be meshed and connected with an engagement rack 16, and one end of the fixed plate 17 is fixedly connected with the movable frame 5.

Preferably, the lower end of the mounting plate 8 is provided with three connecting rods 10, the lower ends of the three connecting rods 10 are provided with a connecting plate 9, and the lower end of the surface of the connecting plate 9 is provided with a blackboard eraser block 11, so that the blackboard eraser block 11 can conveniently erase the blackboard body 1.

Preferably, the three connecting rods 10 are symmetrically distributed on the surface of the movable frame 5 and are located on the inner sides of the two telescopic rods 7, the upper ends of the three connecting rods 10 are fixedly connected with the lower end of the mounting plate 8, and the lower ends of the three connecting rods 10 are fixedly connected with the upper end of the connecting plate 9, so that the blackboard eraser block 11 can be mounted and dismounted conveniently.

Preferably, the connecting plate 9 is located at the upper end of the surface of the blackboard main body 1 and is located on the opposite surface of the first mounting column 2 and the second mounting column 3, so that the blackboard eraser block 11 can be used for wiping the surface of the blackboard main body 1 comprehensively.

Preferably, a clamping groove 19 is installed on one side of the lower end of the surface of the movable substrate 4, the clamping groove 19 is in a concave shape, and the clamping groove 19 is in clamping connection with the sliding block 18, so that the movable substrate 4 can be moved and fixed conveniently.

Preferably, the mounting groove has been seted up to the one end of mounting panel 8, and the inside cover of mounting groove is equipped with fixed plate 17, and just through fixing bolt 12 fixed connection, is convenient for remove base plate 4 and drives removing moving of putting up 5 and remove.

The working principle is as follows: the user passes through telescopic link 7 and adjusts blackboard eraser block 11's height, be convenient for remove blackboard main part 1, driving motor 15 of fixed plate 17 upper end drives fixed plate 17 through interlock gear 13 and interlock rack 16 and removes, the card groove 19 of fixed plate 17 lower extreme slides at the slider 18 upper end of moving base plate 4, it removes to drive removal frame 5 to drive when fixed plate 17 removes, when removing frame 15 and removing, remove 15 lower extreme card block 20 of removal frame and remove inside slide rail 22, setting through movable wheel 24, make and reduce the friction when removing frame 5 and remove, more convenient overall structure's removal, make the integrated device have fine removal effect, friction when having reduced the removal, be convenient for to blackboard main part 1 clean, manpower and materials have been saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 an electronic blackboard eraser, includes blackboard main part (1), first erection column (2), second erection column (3) and removal base plate (4), its characterized in that: the blackboard comprises a blackboard body (1), wherein a first mounting column (2) and a second mounting column (3) are respectively installed at the upper end and the lower end of the blackboard body (1), the first mounting column (2) and the second mounting column (3) are symmetrically distributed about the blackboard body (1), a baffle (6) is installed at the two ends of the first mounting column (2) and the second mounting column (3), the baffle (6) is symmetrically distributed about the first mounting column (2) and the second mounting column (3), a sliding rail (22) is installed at the middle position of the upper surface end of the first mounting column (2) and the second mounting column (3), a movable clamping block (21) is installed at the two sides of the middle position inside the sliding rail (22), the movable clamping block (21) is symmetrically distributed inside the sliding rail (22), and the sliding rail (22) is symmetrically distributed about the blackboard body (1), the blackboard is characterized in that a moving frame (5) is installed on one side of the upper end of the surface of the blackboard main body (1), an installation plate (8) is arranged at the upper end of the moving frame (5), telescopic rods (7) are installed at the lower ends of the two ends of the installation plate (8), the two telescopic rods (7) are symmetrically distributed relative to the installation plate (8), clamping blocks (20) are installed at the lower ends of the two telescopic rods (7), the two clamping blocks (20) are symmetrically distributed relative to the installation plate (8), the clamping blocks (20) are in a convex shape, installation bolts (23) are installed on the two sides of the lower end of each clamping block (20), movable wheels (24) are sleeved on the surfaces of the two installation bolts (23), the two movable wheels (24) are symmetrically distributed in the clamping blocks (20), and the two clamping blocks (20) are connected with the slide rails (22) in a clamping manner, the movable wheel (24) is fixedly connected with the movable clamping block (21) in the slide rail (22) in a clamping manner, the clamping block (20) moves in the slide rail (22), a movable base plate (4) is installed on one side of the blackboard main body (1), the movable base plate (4) is located on one side of the first mounting column (2) and is fixedly connected with the first mounting column (2), a sliding block (18) is installed on one side of the upper end of the surface of the movable base plate (4), an occlusion rack (16) is installed on the other side of the upper end of the surface of the movable base plate (4), a fixing plate (17) is installed on the upper end of the surface of the movable base plate (4), a motor mounting frame (14) is installed on one side of the upper end of the surface of the fixing plate (17), a driving motor (15) is installed in the motor mounting frame (14), an occlusion gear (13) is installed at, the meshing gear (13) penetrates through the movable base plate (4) to be meshed with the meshing rack (16), and one end of the fixed plate (17) is fixedly connected with the movable frame (5).

2. The electric blackboard eraser according to claim 1, characterized in that: three connecting rods (10) are installed to the lower extreme of mounting panel (8), three connecting plate (9) are installed to the lower extreme of connecting rod (10), blackboard eraser piece (11) are installed to the lower extreme on connecting plate (9) surface.

3. The electric blackboard eraser according to claim 2, characterized in that: three connecting rod (10) are the symmetric distribution on removal frame (5) surface, and are located two the inboard of telescopic link (7), three the upper end of connecting rod (10) with the lower extreme of mounting panel (8), three the lower extreme of connecting rod (10) with the upper end fixed connection of connecting plate (9).

4. The electric blackboard eraser according to claim 2, characterized in that: the connecting plate (9) is located at the upper end of the surface of the blackboard main body (1) and located on the opposite surface of the first mounting column (2) and the second mounting column (3).

5. The electric blackboard eraser according to claim 1, characterized in that: one side of the lower end of the surface of the movable substrate (4) is provided with a clamping groove (19), the clamping groove (19) is concave, and the clamping groove (19) is fixedly connected with the sliding block (18) in a clamping manner.

6. The electric blackboard eraser according to claim 1, characterized in that: the mounting groove has been seted up to the one end of mounting panel (8), the inside cover in mounting groove is equipped with fixed plate (17), and through fixing bolt (12) fixed connection.