CN210161829U

CN210161829U - Blackboard eraser convenient to clean

Info

Publication number: CN210161829U
Application number: CN201920953629.6U
Authority: CN
Inventors: 曹百川
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-03-20
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a blackboard eraser of convenient clearance, including casing, dust collection box, bolt, second roller, third gear and wiping cloth, shells inner wall right side is provided with the brush, and the brush rear side is provided with the recess, the dust collection box runs through the casing and sets up inside the recess, and the inside front side of casing is provided with the connecting piece, the bolt runs through the casing upside and is connected with the connecting piece, and is provided with first roller on the left of the connecting piece, first roller downside through connection spare is connected with first gear, and first gear is connected with the connecting rod left end, and the connecting rod is fixed on shells inner wall surface simultaneously, wiping cloth is around first roller, second roller and connecting piece setting. This blackboard eraser of convenient clearance rotates the pivot, and first roller and second roller drive the wiping cloth and remove, and the brush is cleared up the wiping cloth surface, and the dust of dying is stained on the cleaning wiping cloth of being convenient for, prevents that the dust from dispersing the harm personnel health simultaneously.

Description

Blackboard eraser convenient to clean

Technical Field

The utility model belongs to the technical field of the teaching aid, especially, relate to a blackboard eraser of convenient clearance.

Background

The blackboard eraser wipes chalk writing on the surface of the blackboard by using the wiping cloth arranged on the front side, the method is simple to operate, the size of the wiping range is controllable, the surface of the blackboard eraser is dry, and the chalk can be directly re-written after being wiped on the blackboard, so that the blackboard eraser is convenient to use during teaching.

The traditional blackboard eraser is adopted in the market now, and the wiping cloth is fixed inside the blackboard eraser, can't dismantle, and inside the dust got into the blackboard eraser along with wiping cloth repetitious usage, hardly cleared up the dust, pat the blackboard eraser and produce a large amount of dust when clearing up again, harm clearance personnel's health. Therefore, there is a need for an easily cleaned eraser to ameliorate the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a board eraser of convenient clearance aims at solving traditional board eraser, and the wiping cloth is fixed inside the board eraser, can't dismantle, and inside the dust got into the board eraser along with wiping cloth repetitious usage, hardly cleared up the dust, pat the board eraser and will produce a large amount of dust when clearing up, harm the problem that clearance personnel's health exists.

The utility model is realized in such a way, a blackboard eraser convenient for cleaning, which comprises a shell, a dust collecting box, a bolt, a second roller shaft, a third gear and wiping cloth, wherein the right side of the inner wall of the shell is provided with a brush, the rear side of the brush is provided with a groove, the dust collecting box penetrates through the shell and is arranged inside the groove, the front side inside the shell is provided with a connecting piece, the bolt penetrates through the upper side of the shell and is connected with the connecting piece, the left side of the connecting piece is provided with the first roller shaft, the lower side of the first roller shaft penetrates through the connecting piece and is connected with the first gear, the first gear is connected with the left end of a connecting rod, meanwhile, the connecting rod is fixed on the surface of the inner wall of the shell, the second roller shaft is arranged on the right side of the connecting piece, the lower side of the second roller shaft penetrates through the connecting piece and is, the rotating shaft penetrates through the bottom of the shell and is connected with the third gear, and the wiping cloth is arranged around the first roller shaft, the second roller shaft and the connecting piece.

Furthermore, the height of the hairbrush is consistent with that of the second roller shaft, and the hairbrush is attached to the wiping cloth on the surface of the second roller shaft.

Furthermore, the height of the dust collecting box is consistent with that of the hairbrush, and the connection mode of the integrated box and the groove is sliding connection.

Furthermore, the outer end of the lower side of the connecting piece is attached to the inner wall of the shell, the connecting piece is in threaded connection with the bolt, and meanwhile the connecting piece is in sliding connection with the shell.

Furthermore, the first roller shaft is connected with the connecting piece in a rotating mode, the connecting piece is connected with the second roller shaft in a rotating mode, and meanwhile the shape and the size of the second roller shaft are consistent with those of the first roller shaft.

Furthermore, the shape and size of the first gear are consistent with the shape and size of the second gear, the first gear is connected with the connecting rod in a meshing manner, and meanwhile, the connecting rod is connected with the second gear in a meshing manner.

Furthermore, the connection mode of the rotating shaft and the shell is rotation connection, the connection mode of the rotating shaft and the third gear is fixed connection, and meanwhile, the connection mode of the third gear and the connecting rod is meshing connection.

Compared with the prior art, the beneficial effects of the utility model are that: the blackboard eraser convenient to clean is provided with the cleaning mechanism,

(1) the cleaning device is provided with a brush, a dust collecting box, a first roller shaft, a second roller shaft, a rotating shaft and cleaning cloth, the first roller shaft and the second roller shaft are driven to rotate by the rotating shaft, the cleaning cloth is driven to rotate by the first roller shaft and the second roller shaft, the cleaning cloth is attached to the brush to rotate, dust adhered to the cleaning cloth can be conveniently cleaned by the brush, meanwhile, the cleaned dust enters a dust collecting groove, and the dust is prevented from harming the health of personnel;

(2) the cleaning cloth is arranged on the connecting piece, the connecting piece is connected with the shell in a sliding mode, the lower side of the connecting piece is attached to the inner wall of the shell, the cleaning cloth is aged after being used for a long time, the connecting piece is taken out in a sliding mode after the bolt is unscrewed, and the cleaning cloth arranged on the connecting piece can be used again after being replaced.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

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

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 4 is an enlarged schematic view of point A of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the connecting member of the present invention.

In the figure: 1. the cleaning device comprises a shell, 2, a brush, 3, a groove, 4, a dust collecting box, 5, a connecting piece, 6, a bolt, 7, a first roller shaft, 8, a first gear, 9, a connecting rod, 10, a second roller shaft, 11, a second gear, 12, a third gear, 13, a rotating shaft, 14 and cleaning cloth.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: a blackboard eraser convenient to clean is disclosed, as shown in figure 1, figure 3 and figure 5, the right side of the inner wall of a shell 1 is provided with a brush 2, the rear side of the brush 2 is provided with a groove 3, the height of the brush 2 is consistent with the height of a second roller shaft 10, the brush 2 is attached to a wiping cloth 14 on the surface of the second roller shaft 10, the brush 2 rubs the wiping cloth 14 when the wiping cloth 14 moves, the height of the brush 2 is consistent with the height of the second roller shaft 10, the wiping cloth 14 on the surface of the second roller shaft 10 can be cleaned completely by the brush 2, a dust collection box 4 penetrates through the shell 1 and is arranged in the groove 3, a connecting piece 5 is arranged on the front side in the shell 1, the height of the dust collection box 4 is consistent with the height of the brush 2, when the wiping cloth 14 is cleaned by the brush 2, the dust enters the dust collection box 4, the connecting way of the integration box 4 and the groove 3 is in a sliding connection way, bolt 6 runs through 1 upside of casing and is connected with connecting piece 5, and connecting piece 5 left side is provided with first roller 7, the setting of 5 downside outer end laminating casing 1 inner walls of connecting piece, and connecting piece 5 is threaded connection with bolt 6's connected mode, connecting piece 5 is sliding connection with shell 1's connected mode simultaneously, connecting piece 5 downside and casing 1 form seal structure, prevent that the dust from getting into gear structure, influence gear structure life, first roller 7 is connected for rotating with connecting piece 5's connected mode, and connecting piece 5 is connected for rotating with the connected mode of second roller 10, the shape and size of second roller 10 is unanimous with the shape and size of first roller 7 simultaneously, make the rotational speed of first roller 7 and the rotational speed of second roller 10 keep unanimous, be convenient for first roller 7 and second roller 10 drive to wipe cloth 14 and rotate.

As shown in fig. 1, 2 and 4, the lower side of the first roller shaft 7 penetrates through the connecting piece 5 to be connected with the first gear 8, the first gear 8 is connected with the left end of the connecting rod 9, the connecting rod 9 is fixed on the inner wall surface of the shell 1, the shape and size of the first gear 8 are consistent with the shape and size of the second gear 11, the first gear 8 is connected with the connecting rod 9 in a meshing way, the connecting rod 9 is connected with the second gear 11 in a meshing way, the rotating speed of the first gear 8 is consistent with the rotating speed of the second gear 11, the first gear 8 is connected with the first roller shaft 7, the second gear 11 is connected with the second roller shaft 10, so that the first roller shaft 7 and the second roller shaft 10 rotate more smoothly, the second roller shaft 10 is arranged at the right side of the connecting piece 5, the lower side of the second roller shaft 10 penetrates through the connecting piece 5 to be connected with the second gear 11, and the second gear 11 is connected with the, third gear 12 is connected with the connecting rod 9 left end, and the third gear 12 downside is provided with pivot 13, the connected mode of pivot 13 and casing 1 is for rotating the connection, and the connected mode of pivot 13 and third gear 12 is fixed connection, the connected mode of third gear 12 and connecting rod 9 is connected for the meshing simultaneously, the pivot 13 of being convenient for drives first gear 8 and second gear 11 rotation through connecting rod 9 through second gear 12, pivot 13 runs through casing 1 bottom and is connected with third gear 12, wipe cloth 14 around first roller 7, second roller 10 and connecting piece 5 setting.

The utility model discloses a theory of operation and use flow: when the blackboard eraser convenient to clean is used, the two sides of the blackboard eraser are grabbed, the front side of the blackboard eraser is used for wiping the notes to be wiped, after wiping is finished, the rotating shaft 13 is rotated, the rotating shaft 13 drives the connecting rod 9 to rotate through the third gear 12, the connecting rod 9 drives the first roller shaft 7 to rotate through the first gear 8, meanwhile, the connecting rod 9 drives the second roller shaft 10 to rotate through the second gear 11, the first roller shaft 7 and the second roller shaft 10 drive the wiping cloth 14 to rotate, the wiping cloth 14 rubs with the brush 2 attached to the wiping cloth 14 when rotating, the brush 2 cleans dust on the wiping cloth 14, the dust enters the dust collecting box 4, the dust collecting box 4 is prevented from being damaged by the dust, the dust collecting personnel is convenient to be healthy, the dust in the box 4 is pulled outwards to be cleaned, the bolt 6 is screwed off, the connecting piece 5 is taken out in an upward sliding mode, the wiping cloth 14 arranged on the connecting piece 5 is convenient to replace, and the content which is not described in detail in the specification belongs to the prior art known by professional technicians in the field.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a blackboard eraser of convenient clearance, includes casing, dust collection box, bolt, second roller, third gear and wiping cloth, its characterized in that: the right side of the inner wall of the shell is provided with a brush, the rear side of the brush is provided with a groove, the dust collecting box penetrates through the shell and is arranged in the groove, and the front side in the shell is provided with a connecting piece, the bolt penetrates through the upper side of the shell and is connected with the connecting piece, and the left side of the connecting piece is provided with a first roll shaft, the lower side of the first roll shaft penetrates through the connecting piece to be connected with a first gear, the first gear is connected with the left end of the connecting rod, meanwhile, the connecting rod is fixed on the surface of the inner wall of the shell, the second roller shaft is arranged on the right side of the connecting piece, the lower side of the second roller shaft penetrates through the connecting piece to be connected with the second gear, meanwhile, the second gear is connected with the right end of the connecting rod, the third gear is connected with the left end of the connecting rod, and a rotating shaft is arranged on the lower side of the third gear, the rotating shaft penetrates through the bottom of the shell and is connected with the third gear, and the wiping cloth is arranged around the first roller shaft, the second roller shaft and the connecting piece.

2. The blackboard eraser convenient to clean as claimed in claim 1, wherein: the height of the brush is consistent with that of the second roller shaft, and the brush is attached to the wiping cloth on the surface of the second roller shaft.

3. The blackboard eraser convenient to clean as claimed in claim 1, wherein: the height of the dust collecting box is consistent with that of the hairbrush, and the connection mode of the integrated box and the groove is sliding connection.

4. The blackboard eraser convenient to clean as claimed in claim 1, wherein: the outer end of the lower side of the connecting piece is attached to the inner wall of the shell, the connecting piece is in threaded connection with the bolt, and meanwhile the connecting piece is in sliding connection with the shell.

5. The blackboard eraser convenient to clean as claimed in claim 1, wherein: the connection mode of first roller and connecting piece is for rotating being connected, and the connection mode of connecting piece and second roller is for rotating being connected, and the shape and size of second roller is unanimous with the shape and size of first roller simultaneously.

6. The blackboard eraser convenient to clean as claimed in claim 1, wherein: the shape and size of the first gear are consistent with those of the second gear, the first gear is in meshed connection with the connecting rod, and meanwhile the connecting rod is in meshed connection with the second gear.

7. The blackboard eraser convenient to clean as claimed in claim 1, wherein: the connecting mode of pivot and casing is for rotating the connection, and the connecting mode of pivot and third gear is fixed connection, and the connecting mode of third gear and connecting rod is meshing connection simultaneously.