CN214564214U

CN214564214U - Blackboard self-cleaning device for teaching

Info

Publication number: CN214564214U
Application number: CN202022939535.9U
Authority: CN
Inventors: 魏金太; 邓建锋; 韩娅楠; 王鑫; 王婷婷; 陈晨宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-11-02
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a blackboard self-cleaning device is used in teaching, including fixed frame, blackboard, fixed frame fixes on the building outer wall, the inboard fixed mounting of fixed frame has the blackboard still includes drive mechanism, lower drive mechanism, clean mechanism, it includes mounting panel, last rack to go up drive mechanism, it installs on the building outer wall to go up mounting panel fixed mounting. The utility model discloses a function of clean blackboard, realized self-feeding's function here simultaneously, and then realized the function of self-cleaning blackboard, and the clear in-process makes wiping cloth can be tightly pasted on the blackboard, clear comprehensiveness has been guaranteed, can also produce relative movement through brush and wiping cloth, it gets off to wipe adnexed dust on the cloth, and produce the air current through the air exhauster, the dust of cleaing off enters into the collection dirt piece along with the air current, not only can prevent the environment around the dust pollution, still have the function of clean wiping cloth.

Description

Blackboard self-cleaning device for teaching

Technical Field

The utility model relates to a blackboard self-cleaning technical field especially relates to a blackboard self-cleaning device is used in teaching.

Background

When a blackboard is wiped in a teaching break, a layer of white dust is always left on hands, sleeves, hair and shoulders, and some dust is inevitably sucked. The chalk dust is made of gypsum, the main chemical component of the chalk dust is calcium sulfate, and the inhalation of chalk is easy to damage the respiratory system and induce respiratory diseases, so that the respiratory function of the lung is reduced.

The existing equipment at present, some of which are capable of achieving left and right movement of the blackboard eraser by sliding of a sliding rod, is limited by machining and installation precision, is not ideal in the aspect of movement flexibility, and the cleaning degree can be influenced, the blackboard eraser needs to be cleaned after being used, otherwise, the cleaning degree can be influenced next time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blackboard self-cleaning device for teaching in order to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a blackboard self-cleaning device is used in teaching, includes fixed frame, blackboard, fixed frame fixes on the building outer wall, the inboard fixed mounting of fixed frame has the blackboard, its characterized in that: the upper transmission mechanism comprises an upper mounting plate and an upper rack, the upper mounting plate is fixedly mounted on a building outer wall, the lower side of the upper mounting plate is connected with the upper rack through a bolt, the upper rack is located above the fixed frame, a first sliding groove, a second sliding groove and a third sliding groove are formed in the upper mounting plate, the second sliding groove is located between the first sliding groove and the third sliding groove, the lower transmission mechanism comprises a lower mounting plate and a lower rack, the lower mounting plate is fixedly mounted on the building outer wall, the lower rack is connected with the upper side of the lower mounting plate through a bolt, the lower rack is located below the fixed frame, a fourth sliding groove is formed in the lower mounting plate, the fourth sliding groove corresponds to the first sliding groove in position, and the cleaning mechanism comprises a central rod, Mounting panel, motor, elastic component, sleeve pipe, wiping cloth, shell, limiting plate, brush, breather pipe, air exhauster, dust collecting part, well core rod upper end is passed first spout with the mounting panel, and with the mounting panel passes through the bearing and connects, well core rod still through gear one with go up the rack meshing and connect, through gear two with rack meshing connects down, the mounting panel lower extreme is provided with the lug, just lug sliding connection is in the second spout is inboard, there is the motor mounting panel top through bolted connection, the output of motor with well core rod upper end fixed connection, install in the well core rod outside the elastic component, install in the elastic component outside the sleeve pipe, the sleeve pipe outside cover is equipped with wiping cloth, it is provided with the shell to wipe the cloth front end outside, the shell both ends with well core rod passes through the bearing and connects, the welding of shell upper end has the limiting plate, limiting plate upper end stretches into the third spout is inboard, and with third spout sliding connection, the shell front end is seted up jaggedly, and this breach both sides are provided with the brush, just the brush is fixed the shell is inboard, the brush keep away from the one end of shell with wipe cloth contact connection, this breach outside welding has the breather pipe, breather pipe lower extreme opening, this opening part has through the screw connection the air exhauster, the air outlet department of air exhauster is provided with detachable dust arrester, can drive well core rod through the motor and rotate like this setting, well core rod drives the elastic component and rotates, and the elastic component drives the sleeve pipe and rotates, and the sleeve pipe drives wipe cloth and rotate for wipe cloth and blackboard take place the friction, has realized the function of clean blackboard, and well core rod is in the effect of gear one and last rack and gear two and lower rack simultaneously, make well core rod to one side removal, the function of automatic feed has been realized, and then the function of self-cleaning blackboard has been realized, because the elastic characteristic of elastic component, make wiping cloth can be tightly attached on the blackboard, clear comprehensiveness has been guaranteed, can also produce relative movement through brush and wiping cloth, clear away adnexed dust on the wiping cloth, and produce the air current through the air exhauster, the dust of cleaing away down enters into collection dirt spare along with the air current, not only can prevent the environment around the dust pollution, the function of cleaning wiping cloth still has, the clean degree of blackboard has been guaranteed.

Preferably, the elastic component is a spring, the spring is provided with a plurality of groups, the distance between each group is the same, each group is provided with five groups, and the groups are arranged at equal angles, so that the stability of the sleeve can be ensured.

Preferably, the upper rack and the lower rack are identical in structure, and the first gear and the second gear are identical in structure, so that the central rod is stable in movement.

Preferably, the dust collecting piece is a filter and is connected with the air outlet end of the exhaust fan through a hose clamp, so that the dust collecting piece is convenient to disassemble and clean.

Preferably, the dust collecting piece is a dust catching bag and is connected with the air outlet end of the exhaust fan through a binding band or a hose clamp, so that the dust collecting piece is convenient to disassemble and clean.

Has the advantages that:

1. the device can drive the central rod to rotate through the motor, the central rod drives the elastic piece to rotate, the elastic piece drives the sleeve to rotate, and the sleeve drives the wiping cloth to rotate, so that the wiping cloth and the blackboard generate friction, and the function of cleaning the blackboard is realized;

2. due to the elastic characteristic of the elastic piece, the wiping cloth can be tightly attached to the blackboard, and the cleanness is ensured;

3. this device can produce relative movement through brush and wiping cloth, clears away adnexed dust on the wiping cloth to produce the air current through the air exhauster, the dust of clearing away gets into collection dirt spare along with the air current, not only can prevent dust pollution surrounding environment, still has the function of clean wiping cloth, has guaranteed the clean degree of blackboard.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of an automatic cleaning device for teaching blackboards according to the present invention;

FIG. 2 is a front view of the automatic cleaning device for teaching blackboard of the present invention;

FIG. 3 is a sectional view taken along line A-A of the automatic cleaning device for teaching blackboard of the present invention;

fig. 4 is a B-B sectional view of an automatic blackboard cleaning device for teaching of the present invention.

The reference numerals are explained below:

1. a fixed frame; 2. a blackboard; 3. an upper transmission mechanism; 4. a lower transmission mechanism; 5. a cleaning mechanism; 301. An upper mounting plate; 302. an upper rack; 303. a first chute; 304. a second chute; 305. a third chute; 401. a lower mounting plate; 402. a lower rack; 403. a fourth chute; 501. a center pole; 502. mounting a plate; 503. a motor; 504. an elastic member; 505. a sleeve; 506. wiping cloth; 507. a housing; 508. a limiting plate; 510. a breather pipe; 511. an exhaust fan; 512. a dust collecting member; 5021. and (4) a bump.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

As shown in fig. 1-4, an automatic blackboard cleaning device for teaching comprises a fixed frame 1 and a blackboard 2, wherein the fixed frame 1 is fixed on the outer wall of a building, the blackboard 2 is fixedly arranged on the inner side of the fixed frame 1, and the automatic blackboard cleaning device is characterized in that: the cleaning mechanism comprises an upper transmission mechanism 3, a lower transmission mechanism 4 and a cleaning mechanism 5, wherein the upper transmission mechanism 3 comprises an upper mounting plate 301 and an upper rack 302, the upper mounting plate 301 is fixedly mounted on the outer wall of a building, the upper rack 302 is connected to the lower part of the upper mounting plate 301 through a bolt, the upper rack 302 is positioned above a fixed framework 1, a first sliding groove 303, a second sliding groove 304 and a third sliding groove 305 are formed in the upper mounting plate 301, the second sliding groove 304 is positioned between the first sliding groove 303 and the third sliding groove 305, the lower transmission mechanism 4 comprises a lower mounting plate 401 and a lower rack 402, the lower mounting plate 401 is fixedly mounted on the outer wall of the building, the lower rack 402 is connected to the upper part of the lower mounting plate 401 through a bolt, the lower rack 402 is positioned below the fixed framework 1, a fourth sliding groove 403 is formed in the lower mounting plate 401, the fourth sliding groove 403 corresponds to the position of the first sliding groove 303, the cleaning mechanism 5 comprises a central rod 501, a mounting plate 502, a lower rack 302 and a cleaning mechanism, The device comprises a motor 503, an elastic piece 504, a sleeve 505, wiping cloth 506, a shell 507, a limiting plate 508, a brush, a vent pipe 510, an exhaust fan 511 and a dust collecting piece 512, wherein the upper end of a central rod 501 penetrates through a first chute 303 and a mounting plate 502 and is connected with the mounting plate 502 through a bearing, the central rod 501 is also meshed with an upper rack 302 through a first gear and is meshed with a lower rack 402 through a second gear, a lug 5021 is arranged at the lower end of the mounting plate 502, the lug 5021 is slidably connected to the inner side of a second chute 304, the motor 503 is connected above the mounting plate 502 through a bolt, the output end of the motor 503 is fixedly connected with the upper end of the central rod 501, the elastic piece 504 is arranged on the outer side of the central rod 501, the sleeve 505 is arranged on the outer side of the elastic piece 504, the wiping cloth 506 is sleeved on the outer side of the sleeve 505, the shell 507 is provided with the outer side of the front end of the wiping cloth 506, two ends of the shell 507 are connected with the central rod 501 through bearings, the limiting plate 508 is welded on the upper end of the shell 507, the upper end of the limiting plate 508 extends into the inner side of the third chute 305 and is connected with the third chute 305 in a sliding manner, the front end of the shell 507 is provided with a notch, two sides of the notch are provided with brushes which are fixed on the inner side of the shell 507, one end of each brush, which is far away from the shell 507, is connected with the wiping cloth 506 in a contact manner, the outer side of the notch is welded with a vent pipe 510, the lower end of the vent pipe 510 is provided with an opening, the opening is connected with an exhaust fan 511 through a screw, the air outlet of the exhaust fan 511 is provided with a detachable dust collecting piece 512, the arrangement can drive the central rod 501 to rotate through the motor 503, the central rod 501 drives the elastic piece 504 to rotate, the elastic piece 504 drives the sleeve 505 to rotate, the sleeve 505 drives the wiping cloth 506 to rotate, so that the wiping cloth 506 rubs against the blackboard 2, thereby realizing the function of cleaning the blackboard, meanwhile, the central rod 501 has the functions of the first gear, the second gear and the lower rack 402, the central rod 501 is enabled to move towards one side, the function of automatic feeding is realized, and the function of automatic cleaning of the blackboard is further realized, due to the elastic characteristic of the elastic piece 504, the wiping cloth 506 can be tightly attached to the blackboard 2, the cleaning comprehensiveness is ensured, the brush can move relative to the wiping cloth 506 to remove dust attached to the wiping cloth 506, the exhaust fan 511 generates air flow, the removed dust enters the dust collecting piece 512 along with the air flow, not only can the dust be prevented from polluting the surrounding environment, but also the function of cleaning the wiping cloth 506 is realized, the cleaning degree of the blackboard 2 is ensured, the elastic piece 504 is a spring, the spring is provided with a plurality of groups, the distance between each group is the same, each group is provided with five, and the arrangement is in equal angle, the arrangement can ensure the stability of the sleeve 505, and the upper rack 302 and the lower rack 402 have the same structure, the first gear and the second gear have the same structure, so that the central rod 501 is stable when moving, the dust collecting piece 512 is a filter and is connected with the air outlet end of the exhaust fan 511 through a hose clamp, and the dust collecting piece 512 is convenient to disassemble and clean.

The dust collecting element 512 can also be a dust catching bag and is connected with the air outlet end of the exhaust fan 511 through a binding band or a hose clamp, so that the dust collecting element 512 can be conveniently detached and cleaned

In the structure, when in use, the motor 503 and the exhaust fan 511 are started, the motor 503 drives the central rod 501 to rotate, the central rod 501 drives the elastic member 504 to rotate, the elastic member 504 drives the sleeve 505 to rotate, the sleeve 505 drives the wiping cloth 506 to rotate, so that the wiping cloth 506 rubs with the blackboard 2, and the function of cleaning the blackboard is realized, meanwhile, the central rod 501 moves to one side under the action of the first gear, the second gear and the lower rack 402, so that the central rod 501 moves towards one side, the function of automatic feeding is realized, and further the function of automatically cleaning the blackboard is realized, meanwhile, the brush and the wiping cloth 506 move relatively, dust attached to the wiping cloth 506 is removed, the exhaust fan 511 generates air flow, the removed dust enters the dust collecting part 512 along with the air flow, the dust can be prevented from polluting the surrounding environment, and the function of cleaning the wiping cloth 506 is also realized, the degree of cleanness of the blackboard 2 is ensured.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a blackboard self-cleaning device is used in teaching, includes fixed frame (1), blackboard (2), fixed frame (1) is fixed on the building outer wall, fixed frame (1) inboard fixed mounting have blackboard (2), its characterized in that: the cleaning device is characterized by further comprising an upper transmission mechanism (3), a lower transmission mechanism (4) and a cleaning mechanism (5), wherein the upper transmission mechanism (3) comprises an upper mounting plate (301) and an upper rack (302), the upper mounting plate (301) is fixedly mounted on the outer wall of a building, the lower side of the upper mounting plate (301) is connected with the upper rack (302) through a bolt, the upper rack (302) is located above the fixed frame (1), a first sliding groove (303), a second sliding groove (304) and a third sliding groove (305) are formed in the upper mounting plate (301), the second sliding groove (304) is located between the first sliding groove (303) and the third sliding groove (305), the lower transmission mechanism (4) comprises a lower mounting plate (401) and a lower rack (402), the lower mounting plate (401) is fixedly mounted on the outer wall of the building, the upper side of the lower mounting plate (401) is connected with the lower rack (402) through a bolt, the lower rack (402) is positioned below the fixed frame (1), a fourth chute (403) is formed in the lower mounting plate (401), the fourth chute (403) corresponds to the first chute (303), the cleaning mechanism (5) comprises a central rod (501), a mounting plate (502), a motor (503), an elastic piece (504), a sleeve (505), wiping cloth (506), a shell (507), a limiting plate (508), a vent pipe (510), an exhaust fan (511) and a dust collecting piece (512), the upper end of the central rod (501) penetrates through the first chute (303) and the mounting plate (502) and is connected with the mounting plate (502) through a bearing, the central rod (501) is further meshed with the upper rack (302) through a first gear and is meshed with the lower rack (402) through a second gear, a bump (5021) is arranged at the lower end of the mounting plate (502), just lug (5021) sliding connection is in second spout (304) is inboard, there is motor (503) mounting panel (502) top through bolted connection, the output of motor (503) with well core rod (501) upper end fixed connection, install well core rod (501) the outside elastic component (504), install elastic component (504) the outside sleeve pipe (505), sleeve pipe (505) outside cover is equipped with wipe cloth (506), wipe cloth (506) front end outside is provided with shell (507), shell (507) both ends with well core rod (501) pass through the bearing and are connected, the welding of shell (507) upper end has limiting plate (508), limiting plate (508) upper end stretches into third spout (305) is inboard, and with third spout (305) sliding connection, the shell (507) front end is seted up jaggedly, this breach both sides are provided with the brush, just the brush is fixed shell (507) is inboard, the brush is kept away from the one end of shell (507) with wipe cloth (506) contact connection, this breach outside welding has breather pipe (510), breather pipe (510) lower extreme opening, this opening part have through the screw connection air exhauster (511), the air outlet department of air exhauster (511) is provided with detachable collection dirt spare (512).

2. An automatic cleaning device for teaching blackboard according to claim 1, characterized in that: the elastic piece (504) is a spring, the spring is provided with a plurality of groups, the distance between each group is the same, and each group is provided with five and is arranged at equal angles.

3. An automatic cleaning device for teaching blackboard according to claim 1, characterized in that: the upper rack (302) and the lower rack (402) are identical in structure, and the first gear and the second gear are identical in structure.

4. An automatic cleaning device for teaching blackboard according to claim 1, characterized in that: the dust collecting piece (512) is a filter and is connected with the air outlet end of the exhaust fan (511) through a hose clamp.

5. An automatic cleaning device for teaching blackboard according to claim 1, characterized in that: the dust collecting piece (512) is a dust catching bag and is connected with the air outlet end of the exhaust fan (511) through a binding band or a hose clamp.