CN211000672U

CN211000672U - Novel electric blackboard eraser

Info

Publication number: CN211000672U
Application number: CN201822170618.9U
Authority: CN
Inventors: 胡科
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hunan City University
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2020-07-14
Anticipated expiration: 2028-12-24

Abstract

The utility model discloses a novel electronic blackboard eraser, including the drive storehouse, the bottom outer wall in drive storehouse has blackboard body through the bolt fastening, and blackboard body's both sides all have the fan through the bolt fastening, one side that drive storehouse was kept away from to blackboard body is provided with the magnetic sheet, and blackboard body has handheld blackboard eraser through magnetic sheet magnetic adsorption, the inner wall in drive storehouse is provided with hydraulic stem group, and the output shaft welding of hydraulic stem group has Y type support, the both sides inner wall of Y type support is connected with the friction roller through the bearing, and the junction of Y type support and friction roller is provided with the joint spring. The utility model discloses electronic blackboard eraser divide into two parts, and partly cleans for full blackboard subregion, and another part is the regional blackboard eraser of repairing of hand-held type, and the full blackboard subregion is cleaned through rolling friction on the extending structure cooperation, and the blackboard eraser is repaired to the hand-held type region is based on the on-off control motor, drives the rotatory brush in arranging the blackboard eraser in and removes the powder handwriting.

Description

Novel electric blackboard eraser

Technical Field

The utility model relates to a blackboard eraser technical field especially relates to a novel electronic blackboard eraser.

Background

The blackboard is the facility that is essential in the teaching, need clean the blackboard before the class, and present blackboard adopts manually to clean more, wastes time and energy, also makes the classroom dust fly upward easily, influences the inside environment in classroom, hardly wipes the upper portion of blackboard to shorter classmate moreover. The electric chalk eraser is characterized in that a part of electric chalk eraser drives a long erasing strip arranged on the edge of a blackboard based on a switch control motor, the blackboard is wiped cleanly by moving left and right or up and down, but part of characters cannot be erased, writing and fixing notifications can be given in some areas of the blackboard, and erasing cannot be carried out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel electric blackboard eraser.

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

the utility model provides a novel electric blackboard eraser, includes the driving chamber, the bottom outer wall in driving chamber has blackboard body through the bolt fastening, and blackboard body's both sides all have the fan through the bolt fastening, one side that driving chamber was kept away from to blackboard body is provided with the magnetic sheet, and blackboard body has handheld blackboard eraser through magnetic sheet magnetic adsorption, driving chamber's inner wall is provided with hydraulic stem group, and the output shaft welding of hydraulic stem group has Y type support, the both sides inner wall of Y type support is connected with the friction roller through the bearing, and the junction of Y type support and friction roller is provided with the joint spring, blackboard body's bottom outer wall has the board that turns over through the hinged joint, and turns over the bottom outer wall of board and open there is the spout, spout inner wall sliding connection has the dust collecting tank, the one end outer wall that turns over the board has chalk.

Preferably, the inner wall of drive storehouse is provided with the bar water tank, and the both sides outer wall edge of friction roller all opens the alternately hole for water spraying, Y type support is hollow structure, and the bar water tank link up mutually through Y type support and alternately hole for water spraying.

Preferably, a fixed shaft is arranged at the joint of the Y-shaped support and the friction roller, and electromagnetic valves are connected to the outer walls of the two sides of the fixed shaft in a clamping manner.

Preferably, a rough surface is bonded to the outer wall of one side of the friction roller, a fluff surface is bonded to the outer wall of the other side of the friction roller, and the sections of the rough surface and the fluff surface are of a spiral structure.

Preferably, handheld blackboard eraser includes that shell, storage ash storehouse, wiping switch and USB2.0 charge mouthful, and storage ash storehouse joint is at one side outer wall top of shell, and USB2.0 charges mouthful setting in the opposite side outer wall bottom of shell, wipes the switch setting on the top outer wall of shell.

Preferably, a storage battery pack is fixed on one side of the shell, close to the USB2.0 charging port, through a bolt, the USB2.0 charging port is connected with an inverter through a wire, the inverter is connected with the storage battery pack through a wire, a miniature dust collector is fixed on the other side of the shell through a bolt, and the output end of the miniature dust collector is communicated with the dust storage bin.

Preferably, the inner wall of the top of the shell is fixed with a mute motor through a bolt, an output shaft of the mute motor is sleeved with a rotating brush, and the outer wall of the bottom of the rotating brush and the outer wall of the bottom of the shell are located on the same horizontal plane.

Preferably, the fan, the hydraulic rod group and the electromagnetic valve are all connected with a switch, the silent motor is connected with the wiping switch through a lead, and the switch and the wiping switch are all connected with a P L C controller through leads.

The utility model has the advantages that:

1. the electric blackboard eraser is divided into two parts, one part is used for subarea scrubbing of the whole blackboard, the other part is used for a handheld regional finishing blackboard eraser, the subarea scrubbing of the whole blackboard is matched with rolling friction through a telescopic structure, the rolling friction is matched with a rough surface and a fluff surface through a high-low order groove of a spiral structure, so that chalk marks are removed more quickly, and the handheld regional finishing blackboard eraser is based on a switch control motor and drives a rotary brush arranged in the blackboard eraser to wipe powder handwriting;

2. when the electric blackboard eraser is used for cleaning all blackboards in different areas, the electric blackboard eraser can be matched with the water tank inside the blackboard eraser to spray water in a cross mode, the blackboard surface is soaked, rolling friction is carried out, the phenomenon that some powder handwriting is left on the blackboard and marks are not easy to erase is reduced, and the phenomenon that the marks are left on the blackboard by the powder handwriting can not be interfered by historical characters and marks when the blackboard is used for writing.

Drawings

Fig. 1 is a schematic structural view of a novel electric blackboard eraser provided by the present invention;

fig. 2 is a schematic structural view of a friction roller of the novel electric blackboard eraser provided by the present invention;

fig. 3 is a schematic view of a cross-sectional structure of a handheld blackboard eraser of the novel electric blackboard eraser.

In the figure: the blackboard comprises a blackboard body 1, a friction roller 2, a driving bin 3, a turning plate 4, a dust collecting groove 5, a handheld blackboard eraser 6, a chalk barrel 7, a fan 8, a rough surface 9, a fixing shaft 10, a crossed water spraying hole 11, a fluff surface 12, a storage battery pack 13, a wiping switch 14, a mute motor 15, an ash storage bin 16, a miniature dust collector 17, a rotary brush 18 and a charging port 19USB 2.0.

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.

Referring to fig. 1-3, a novel electric blackboard eraser, including a driving cabin 3, a blackboard body 1 is fixed on the outer wall of the bottom of the driving cabin 3 through a bolt, and fans 8 are fixed on both sides of the blackboard body 1 through bolts, a magnetic plate is arranged on one side of the blackboard body 1 away from the driving cabin 3, and a handheld blackboard eraser 6 is magnetically adsorbed on the blackboard body 1 through the magnetic plate, a hydraulic rod set is arranged on the inner wall of the driving cabin 3, and a Y-shaped bracket is welded on the output shaft of the hydraulic rod set, the inner walls of both sides of the Y-shaped bracket are connected with a friction roller 2 through a bearing, and a clamping spring is arranged at the joint of the Y-shaped bracket and the friction roller 2, a turning plate 4 is fixed on the outer wall of the bottom of the blackboard body 1 through a hinge, a chute is arranged on the outer wall of the bottom of the turning plate 4, a dust collecting groove 5 is slidably connected on the inner wall of the chute, a pen container 7 is connected with a pen container powder 7 through a shaft at the outer wall of one end of the turning plate 4, a bar-shaped water tank is arranged on the inner wall of the driving cabin 3, and the outer wall of both sides of the friction roller 2, and the edges of both sides of the friction roller 2 are provided with cross water spraying holes 11, and the friction roller 2, and the other side of the friction roller 2 is provided with a dust collecting box, and the outer wall of the friction roller 12, and the other side of the dust collecting box 2, and the dust collecting box is connected with a USB switch, and a USB switch, the USB switch is connected with a USB switch, the USB switch 16, the USB switch is connected with a USB switch, the USB switch 2, the USB switch is connected with a USB switch, the USB.

The working principle is as follows: the electric blackboard eraser is divided into two parts, one part is used for subarea scrubbing of a full blackboard, the other part is used for a handheld regional finishing blackboard eraser, the subarea scrubbing of the full blackboard is matched with an upper friction roller 2 through a telescopic structure in a driving bin 3, rolling friction is carried out through a high-low order groove of a spiral structure, powder handwriting is removed more quickly by matching with a rough surface 9 and a fluff surface 12 of the groove, the handheld regional finishing blackboard eraser is used for controlling a mute motor 15 based on an erasing switch 14 to drive a rotary brush 18 arranged in the blackboard eraser to erase chalk, when the subarea scrubbing of the full blackboard is carried out, water can be alternately sprayed through a cross water spraying hole 11 by matching with an internal water tank, the blackboard surface is soaked, then rolling friction is carried out, and some chalk residual marks are reduced.

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

Claims

1. A novel electric blackboard eraser comprises a driving bin (3) and is characterized in that a blackboard body (1) is fixed on the outer wall of the bottom of the driving bin (3) through bolts, fans (8) are fixed on the two sides of the blackboard body (1) through bolts, a magnetic plate is arranged on one side, away from the driving bin (3), of the blackboard body (1), a handheld blackboard eraser (6) is magnetically adsorbed on the blackboard body (1) through the magnetic plate, a hydraulic rod set is arranged on the inner wall of the driving bin (3), a Y-shaped support is welded on an output shaft of the hydraulic rod set, friction rollers (2) are connected on the inner walls of the two sides of the Y-shaped support through bearings, a clamping spring is arranged at the joint of the Y-shaped support and the friction rollers (2), a turning plate (4) is fixed on the outer wall of the bottom of the blackboard body (1) through hinges, and a sliding groove is formed in the outer wall of, the inner wall of the sliding groove is connected with a dust collecting groove (5) in a sliding manner, and the outer wall of one end of the turning plate (4) is connected with a chalk barrel (7) through a shaft.

2. The novel electric blackboard eraser as claimed in claim 1, wherein the inner wall of the driving chamber (3) is provided with a bar-shaped water tank, the edges of the outer walls of the two sides of the friction roller (2) are both provided with crossed water spray holes (11), the Y-shaped bracket is of a hollow structure, and the bar-shaped water tank is communicated with the crossed water spray holes (11) through the Y-shaped bracket.

3. The novel electric blackboard eraser as claimed in claim 2, characterized in that a fixed shaft (10) is arranged at the joint of the Y-shaped bracket and the friction roller (2), and electromagnetic valves are connected to the outer walls of the two sides of the fixed shaft (10) in a clamping manner.

4. The novel electric blackboard eraser as claimed in claim 3, characterized in that a rough surface (9) is adhered to the outer wall of one side of the friction roller (2), a fluff surface (12) is adhered to the outer wall of the other side of the friction roller (2), and the sections of the rough surface (9) and the fluff surface (12) are of a spiral structure.

5. The novel electric blackboard eraser according to claim 1, wherein the handheld blackboard eraser (6) comprises a housing, a dust storage bin (16), a wiping switch (14) and a USB2.0 charging port (19), the dust storage bin (16) is clamped on the top of the outer wall of one side of the housing, the USB2.0 charging port (19) is arranged on the bottom of the outer wall of the other side of the housing, and the wiping switch (14) is arranged on the outer wall of the top of the housing.

6. The novel electric blackboard eraser according to claim 5, characterized in that one side of the casing close to the USB2.0 charging port (19) is fixed with the storage battery (13) through a bolt, the USB2.0 charging port (19) is connected with an inverter through a wire, the inverter is connected with the storage battery (13) through a wire, the other side of the casing is fixed with the mini dust collector (17) through a bolt, and the output end of the mini dust collector (17) is communicated with the dust storage bin (16).

7. The novel electric blackboard eraser as claimed in claim 6, wherein the mute motor (15) is fixed on the top inner wall of the housing through bolts, the rotating brush (18) is sleeved on the output shaft of the mute motor (15), and the bottom outer wall of the rotating brush (18) and the bottom outer wall of the housing are located on the same horizontal plane.

8. The novel electric blackboard eraser as claimed in claim 6, characterized in that the fan (8), the hydraulic rod set and the solenoid valve are all connected with a switch, and the silent motor (15) is connected with the erasing switch (14) through a wire, and the switch and the erasing switch (14) are both connected with a P L C controller through wires.