CN211364068U

CN211364068U - Combined dust-free green board

Info

Publication number: CN211364068U
Application number: CN201921956709.3U
Authority: CN
Inventors: 周济传; 饶碧伟; 周兴
Original assignee: Shixing Jingyin Technology Co ltd
Current assignee: Shixing Jingyin Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-28
Anticipated expiration: 2029-11-13

Abstract

The utility model belongs to the technical field of the teaching aid, especially, be a modular dustless green board, to the inconvenient high-efficient swift handwriting of wiping of current green board, wipe the problem that the in-process produced the raise dust easily, the scheme is as follows now put forward, it includes frame and the inboard green board body of fixed connection at the frame, the inboard sliding connection of frame has the rectangular pipe, the inboard rotation of rectangular pipe is connected with the pivot that a plurality of levels set up, the fixed cover in the outside of pivot is equipped with the flabellum, the one end that the pivot is close to the green board body extends to the outside and the fixedly connected with board of rectangular pipe and wipes, one side that the green board body was kept away from to the rectangular pipe is rotated and is connected with the transmission shaft of vertical setting, the other end of pivot and the outside of transmission shaft are all. The utility model has the advantages of reasonable design, conveniently clean the chalk writing on green board body surface, and can absorb and clean the dust that produces, avoid producing a large amount of flying dust, ensure teacher and student's health.

Description

Combined dust-free green board

Technical Field

The utility model relates to a teaching aid technical field especially relates to a modular dustless green board.

Background

The green board is a common teaching board writing tool, and as the green color is a common color in nature, and is also a protective color, and is easier to be absorbed by human eyes than spectra of other colors, students sitting behind classrooms can see the green board more clearly. And the environment-friendly blackboard writing is not easy to cause eyestrain, is beneficial to eyesight, and can be combined with an electronic whiteboard to realize the combination of traditional blackboard writing and electronic education. For example, chinese patent with publication number CN208896707U discloses a combined sliding green plate, which comprises an outer frame, an electronic white plate fixed in the middle of the outer frame, and a green plate slidably mounted in the outer frame and located at two sides of the electronic white plate, a collecting box with the length the same as that of the frame at the bottom of the outer frame is arranged at the bottom of the outer frame, a cleaning member for cleaning dust in the collecting box is slidably arranged in the collecting box along the length direction of the collecting box, dust outlets are formed at two ends of the collecting box in the length direction, a driving mechanism for driving the cleaning member to reciprocate in the length direction of the collecting box and sweep the dust out of the dust outlets at two ends is arranged on the collecting box, and dust storage boxes are arranged at the lower ends of the dust outlets at two ends. After the dust collecting box is arranged, when dust is treated, the dust collecting box only needs to be detached and poured from the dust outlet, and the dust collecting box is detached easily compared with a direct dust collecting box, so that the effect of cleaning the dust conveniently is achieved.

However, the design has defects, the green plate designed by the patent is inconvenient, efficient and rapid in erasing handwriting, and dust is easily generated in the erasing process to influence the personal health of teachers and students, so that a combined type dust-free green plate is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects that the existing green plate is inconvenient, efficient and quick to wipe out handwriting and dust easily generated in the wiping process, and providing the combined type dust-free green plate.

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

modular dustless green board, including frame and the inboard green board body of fixed connection at the frame, the inboard sliding connection of frame has the rectangular pipe, the inboard of rectangular pipe rotates the pivot that is connected with a plurality of levels and sets up, the fixed cover in the outside of pivot is equipped with the flabellum, the one end that the pivot is close to the green board body extends to the outside and the fixedly connected with board of rectangular pipe and wipes, the transmission shaft that is connected with vertical setting is rotated to one side that the green board body was kept away from to the rectangular pipe, the other end of pivot and the outside of transmission shaft all fix the cover and are equipped with bevel gear, two corresponding bevel gear intermeshing, the top and the equal fixedly connected with helical gear in bottom of transmission shaft, the inboard top and the equal fixedly connected with rack in inboard.

Preferably, the top and the bottom of the inner side of the outer frame are both provided with sliding grooves, and the top and the bottom of the rectangular pipe are in sliding connection with the corresponding sliding grooves, so that the rectangular pipe can stably and smoothly move.

Preferably, the inner wall of the bottom side of the sliding groove below the two sliding grooves is provided with a storage hole, and a rubber plug is movably clamped in the storage hole, so that accumulated dust in the storage hole can be conveniently cleaned.

Preferably, a plurality of inlet ports have been seted up to one side that the rectangular pipe is close to the green board body, the outside of transmission shaft is rotated the cover and is equipped with a plurality of limiting plates, and the outside fixed connection of limiting plate and rectangular pipe conveniently inhales the dust.

Preferably, the top side and the bottom side of frame all are equipped with the otic placode, and the otic placode passes through bolt fixed connection on the frame, the green plate body passes through bolt fixed connection in the inboard of frame, conveniently combines whole device, and conveniently installs the device on the wall.

Preferably, the outer side of the rotating shaft is fixedly sleeved with an inner ring of a bearing, and an outer ring of the bearing is fixedly connected with the inner side of the rectangular tube, so that the rotating shaft rotates stably.

The combined type dust-free green board of the utility model has the advantages that the rectangular pipe is pushed to move at the front side of the green board body, the rectangular pipe drives the board eraser to move at the front side of the green board body, the helical gear walks and rotates on the rack, the helical gear drives the transmission shaft to rotate, the transmission shaft drives the rotating shaft to rotate through the helical gear, and the rotating shaft drives the fan blades and the board eraser to rotate;

the combined type dust-free green board of the utility model rotates and advances at the front side of the green board body through the board eraser, so that chalk marks on the surface of the green board body can be erased, dust is sucked into the rectangular pipe when the fan blade rotates, the dust falls into the storage hole, and the dust in the storage hole can be cleaned regularly by opening the rubber plug;

the utility model has the advantages of reasonable design, conveniently clean the chalk writing on green board body surface, and can absorb and clean the dust that produces, avoid producing a large amount of flying dust, ensure teacher and student's health.

Drawings

FIG. 1 is a schematic structural view of a combined type dust-free green sheet provided by the present invention;

fig. 2 is a schematic structural diagram of a portion a of the combined type dust-free green sheet provided by the present invention.

In the figure: 1. a green sheet body; 2. an outer frame; 3. a rectangular tube; 4. a rotating shaft; 5. a fan blade; 6. erasing the blackboard; 7. a drive shaft; 8. a bevel gear; 9. a helical gear; 10. a rack; 11. a chute; 12. a storage hole; 13. a rubber stopper; 14. an air inlet; 15. an ear plate.

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. 1-2, dustless green board of combination formula, including frame 2 and the inboard green board body 1 of fixed connection at frame 2, the inboard sliding connection of frame 2 has rectangular pipe 3, the inboard rotation of rectangular pipe 3 is connected with pivot 4 that a plurality of levels set up, the fixed cover in the outside of pivot 4 is equipped with flabellum 5, pivot 4 is close to one end of green board body 1 and extends to the outside and the fixedly connected with board of rectangular pipe 3 and wipes 6, one side that green board body 1 was kept away from to rectangular pipe 3 rotates the transmission shaft 7 that is connected with vertical setting, the other end of pivot 4 and the outside of transmission shaft 7 are all fixed the cover and are equipped with bevel gear 8, two corresponding bevel gear 8 intermeshing, the equal fixedly connected with helical gear 9 in top and the bottom of transmission shaft 7, the equal fixedly connected with rack 10 in inboard top and the inboard bottom of frame 2, helical.

The utility model discloses in, spout 11 has all been seted up to the inboard top and the inboard bottom of frame 2, the top and the bottom of rectangular pipe 3 and corresponding 11 sliding connection of spout for the steady smooth and easy removal of rectangular pipe 3.

The utility model discloses in, seted up on the bottom side inner wall of the spout 11 that lies in the below in two spouts 11 and deposited hole 12, and deposited hole 12 in the activity card be equipped with rubber stopper 13, the accumulational dust in the hole 12 is deposited in the convenient clearance.

The utility model discloses in, a plurality of inlet ports 14 have been seted up to one side that rectangular tube 3 is close to green board body 1, and the outside of transmission shaft 7 is rotated the cover and is equipped with a plurality of limiting plates, and limiting plate and rectangular tube 3's outside fixed connection, conveniently inhales the dust.

The utility model discloses in, the top side and the bottom side of frame 2 all are equipped with otic placode 15, and otic placode 15 passes through bolt fixed connection on frame 2, and green board body 1 conveniently gets up whole device combination through bolt fixed connection in the inboard of frame 2, and the convenience is installed the device on the wall.

The utility model discloses in, the fixed cover in the outside of pivot 4 is equipped with the inner circle of bearing, and the outer lane of bearing and the inboard fixed connection of rectangular pipe 3 for pivot 4 is rotatory steadily.

The utility model discloses in, when using, promote the front side removal of rectangular pipe 3 at green board body 1, rectangular pipe 3 drives blackboard eraser 6 and removes at green board body 1's front side, helical gear 9 walks and rotates on rack 10 this moment, helical gear 9 drives transmission shaft 7 rotatory, transmission shaft 7 drives pivot 4 rotatoryly through helical gear 8, pivot 4 drives flabellum 5 and blackboard eraser 6 is rotatory, blackboard eraser 6 is rotatory and gos forward in green board body 1's front side, can wipe the chalk writing on green board body 1 surface, and in sucking the rectangular pipe 3 with the dust when flabellum 5 is rotatory, the dust falls in depositing hole 12, open rubber stopper 13 can regularly clear up the dust of depositing in hole 12.

Claims

1. The combined dust-free green board comprises an outer frame (2) and a green board body (1) fixedly connected to the inner side of the outer frame (2), and is characterized in that the inner side of the outer frame (2) is slidably connected with a rectangular pipe (3), the inner side of the rectangular pipe (3) is rotatably connected with a plurality of rotating shafts (4) horizontally arranged, the outer sides of the rotating shafts (4) are fixedly sleeved with fan blades (5), one end of each rotating shaft (4) close to the green board body (1) extends to the outer side of the rectangular pipe (3) and is fixedly connected with a board wiper (6), one side of each rectangular pipe (3) far away from the green board body (1) is rotatably connected with a vertically arranged transmission shaft (7), the other end of each rotating shaft (4) and the outer side of each transmission shaft (7) are both fixedly sleeved with bevel gears (8), the two corresponding bevel gears (8) are mutually meshed, and the top end, the top and the bottom of the inner side of the outer frame (2) are fixedly connected with racks (10), and the helical gears (9) are meshed with the corresponding racks (10).

2. The combined type dust-free green board as claimed in claim 1, wherein the inner top and the inner bottom of the outer frame (2) are both provided with sliding grooves (11), and the top and the bottom of the rectangular tube (3) are slidably connected with the corresponding sliding grooves (11).

3. The combined type dust-free green board as claimed in claim 2, wherein the inner wall of the bottom side of the lower chute (11) of the two chutes (11) is provided with a storage hole (12), and the storage hole (12) is movably clamped with a rubber plug (13).

4. The combined type dust-free green board according to claim 1, wherein a plurality of air inlet holes (14) are formed in one side, close to the green board body (1), of the rectangular pipe (3), a plurality of limiting plates are rotatably sleeved on the outer side of the transmission shaft (7), and the limiting plates are fixedly connected with the outer side of the rectangular pipe (3).

5. The combined type dust-free green board as claimed in claim 1, wherein the outer frame (2) is provided with ear plates (15) at the top side and the bottom side, the ear plates (15) are fixedly connected to the outer frame (2) through bolts, and the green board body (1) is fixedly connected to the inner side of the outer frame (2) through bolts.

6. The combined type dust-free green board as claimed in claim 1, wherein the outer side of the rotating shaft (4) is fixedly sleeved with the inner ring of the bearing, and the outer ring of the bearing is fixedly connected with the inner side of the rectangular pipe (3).