CN215621053U

CN215621053U - Automatic cleaning electric blackboard

Info

Publication number: CN215621053U
Application number: CN202122099993.0U
Authority: CN
Inventors: 陆海燕
Original assignee: Chengdu Aeronautic Polytechnic
Current assignee: Chengdu Aeronautic Polytechnic
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-25
Anticipated expiration: 2031-09-01

Abstract

The utility model belongs to the technical field of education and teaching, and discloses an automatic cleaning electric blackboard which comprises a blackboard, an all-in-one machine, a protective shell and a lead screw, wherein a first gear is fixedly arranged at the lower end of the lead screw, a second gear is meshed with the left side of the first gear, a right fixed block is movably sleeved at the upper end of the lead screw in a sleeved mode, a transmission structure is arranged at the top of the second gear, and a first corrugated pipe is fixedly arranged on the left side of the transmission structure. The blackboard eraser cleaning device achieves the purpose of good automatic cleaning effect through the matching work of the transmission structure, the first connecting pipe, the second corrugated pipe and the like, the two lead screws work to drive the cleaning eraser to move up and down through the right fixing block and the left fixing block so as to clean the surface of a blackboard, the cleaning is more convenient, the classroom time can be effectively saved, the cleaning eraser can be driven by the lead screws to move left and right through the transmission structure and other matching structures, and the cleaning achieves better effect.

Description

Automatic cleaning electric blackboard

Technical Field

The utility model belongs to the technical field of education and teaching, and particularly relates to an automatic cleaning electric blackboard.

Background

The blackboard is an important teaching tool, is a plane which can be repeatedly written by chalk, is generally made of wood boards or ground glass and the like, can be written on by using specific writing materials such as chalk and the like, and can be used for teaching knowledge to students in such a mode.

Most of existing blackboards adopt a mode of combining a writing blackboard and a multimedia machine, dust caused by writing can be reduced to a certain degree, but the phenomenon of dust still exists on the writing blackboard inevitably, the blackboard needs to be wiped after writing is finished, and valuable classroom time is wasted; and can make the dust of chalk scatter when wiping the blackboard, both influenced the clean and tidy nature in classroom, can make the dust produce certain harm to health again, consequently design one kind to above-mentioned problem and can carry out clear device to the blackboard automatically, can the waste of effectual reduction classroom time to handle the problem of dust scattering and can guarantee that the classroom is clean and tidy, reduce the influence to health.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides an automatic cleaning electric blackboard which has the advantages of good automatic cleaning effect and good dust collecting effect.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic cleaning electric blackboard comprises a blackboard, an all-in-one machine, a protective shell and a lead screw, wherein a first gear is fixedly mounted at the lower end of the lead screw, a second gear is meshed at the left side of the first gear, a right fixing block is movably sleeved at the upper end of the lead screw, a transmission structure is arranged at the top of the second gear, a first corrugated pipe is fixedly mounted at the left side of the transmission structure, a first connecting pipe is fixedly communicated with the left side of the first corrugated pipe, a second corrugated pipe is fixedly communicated with the left side of the first connecting pipe, a connecting shell is fixedly mounted at the right side of the second corrugated pipe, a left fixing block is fixedly connected with the left end of the connecting shell, a cleaning board eraser is fixedly sleeved at the back of the connecting shell, a spring is fixedly connected with the front side of the cleaning board eraser, and the right fixing block and the left fixing block are driven by the lead screw to move up and down to clean the surface of the blackboard, and can make the cleaning blackboard eraser remove about when reciprocating through first gear and cooperation structure combined action, can reach better clean effect.

As a preferred technical scheme of the utility model, the right side of the connecting shell is fixedly communicated with a second connecting pipe, the back of the second connecting pipe is fixedly provided with a negative pressure fan, the bottom of the second connecting pipe is fixedly communicated with a processing bin, and the rectangular cavities arranged at the upper end and the lower end of the connecting shell are matched with circular holes and other structures, so that generated dust can be adsorbed and collected during cleaning, the dust generated during cleaning can be effectively reduced, and a better effect is achieved.

As a preferable technical scheme of the utility model, the upper end and the lower end of the connecting shell are both provided with rectangular cavities, the right side of each rectangular cavity is provided with a circular hole, the rectangular cavities are fixedly communicated with second connecting pipes, and dust generated during cleaning can be adsorbed through the rectangular cavities and the circular holes, so that a better effect is achieved.

As a preferred technical scheme of the utility model, the front surface of the negative pressure fan is provided with a connecting pipe, the connecting pipe is in an L shape, one section of the connecting pipe is connected with the negative pressure fan, the other end of the connecting pipe is positioned in the second connecting pipe, the end positioned in the second connecting pipe is provided with a downward opening, and the opening is provided with a filter screen.

As a preferred technical scheme of the utility model, the transmission structure comprises a first connecting rod, a limiting block and a second connecting rod, the left end of the first connecting rod is movably sleeved with a second gear, the limiting block is movably sleeved with the second connecting rod, a first corrugated pipe is fixedly arranged on the right side of the second connecting rod, the second connecting rod is driven to move left and right through the rotation of the second gear to extrude and contract the first corrugated pipe, and the cleaning eraser can be matched with other structures to achieve the purpose of moving left and right, so that the cleaning effect is better.

As a preferred technical scheme of the utility model, the middle part of the second connecting pipe is made of an elastic corrugated pipe, the length value of the second connecting pipe when the second connecting pipe is unfolded is larger than the height value of the blackboard, the upper end of the second connecting pipe is movably sleeved with the right fixed block, and the second connecting pipe can be matched and extended when the connecting shell moves, so that the reasonability of the structure can be ensured.

Compared with the prior art, the utility model has the following beneficial effects:

1. the blackboard eraser cleaning device achieves the purpose of good automatic cleaning effect through the matching work of the transmission structure, the first connecting pipe, the second corrugated pipe and the like, the two lead screws work to drive the cleaning eraser to move up and down through the right fixing block and the left fixing block so as to clean the surface of a blackboard, the cleaning is more convenient, the classroom time can be effectively saved, the cleaning eraser can be driven by the lead screws to move left and right through the transmission structure and other matching structures, and the cleaning effect is better.

2. The dust collector achieves the purpose of good dust collecting effect through the matching work of the structures such as the second connecting pipe, the negative pressure fan, the processing bin and the like, the rectangular cavity and the circular hole are formed in the upper end and the lower end of the connecting shell, the dust collector can be matched with the negative pressure fan to adsorb and collect falling dust during cleaning, meanwhile, the dust collector can be kept opened to collect falling dust during writing, and the dust collector can be cleaned through the processing bin after collection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of a second bellows according to the present invention;

FIG. 4 is a schematic structural view of a negative pressure fan according to the present invention;

FIG. 5 is a sectional view of the structure of the present invention at the connection with the housing.

In the figure: 1. a blackboard; 2. an all-in-one machine; 3. a protective housing; 4. a lead screw; 5. a first gear; 6. a right fixed block; 7. a second gear; 8. a second connecting pipe; 9. a transmission structure; 10. a negative pressure fan; 11. a first bellows; 12. cleaning the blackboard eraser; 13. a first connecting pipe; 14. a second bellows; 15. connecting the shell; 16. a spring; 17. a left fixed block; 18. and (6) processing the bin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model provides an automatic cleaning electric blackboard, which comprises a blackboard 1, an all-in-one machine 2, a protective shell 3 and a lead screw 4, wherein a first gear 5 is fixedly installed at the lower end of the lead screw 4, a second gear 7 is meshed with the left side of the first gear 5, a right fixed block 6 is movably sleeved at the upper end of the lead screw 4, a transmission structure 9 is arranged at the top of the second gear 7, a first corrugated pipe 11 is fixedly installed at the left side of the transmission structure 9, a first connecting pipe 13 is fixedly communicated with the left side of the first corrugated pipe 11, a second corrugated pipe 14 is fixedly communicated with the left side of the first connecting pipe 13, a connecting shell 15 is fixedly installed at the right side of the second corrugated pipe 14, a left fixed block 17 is fixedly connected with the left end of the connecting shell 15, a cleaning board eraser 12 is fixedly sleeved at the back of the connecting shell 15, a spring 16 is fixedly connected with the front of the cleaning board eraser 12, and the cleaning board eraser 12 drives the right fixed block 6 and the left fixed block 17 to move up and down through the lead screw 4 so that the cleaning board eraser 12 can carry out the surface of the blackboard 1 The cleaning blackboard eraser 12 can move left and right while moving up and down through the combined action of the first gear 5 and the matching structure, and a better cleaning effect can be achieved.

Wherein, the fixed intercommunication in right side of connecting shell 15 has second connecting pipe 8, and the back fixed mounting of second connecting pipe 8 has negative-pressure air fan 10, and the fixed intercommunication in bottom of second connecting pipe 8 has processing storehouse 18, and rectangular cavity and circular port isotructure through connecting shell 15 upper and lower end setting mutually support, can adsorb the collection to the dust that produces when clean, and the dust that produces when can effectual reduction is clean reaches better effect.

Wherein, the rectangle chamber has all been seted up to the last lower extreme of connecting shell 15, and the circular port has been seted up on the right side in rectangle chamber, and the fixed intercommunication in rectangle chamber has second connecting pipe 8, can adsorb the dust that produces when cleaning through rectangle chamber and circular port, reaches better effect.

Wherein, the front of negative pressure fan 10 is provided with the connecting pipe, and the shape of connecting pipe is L shape, and negative pressure fan 10 is connected to connecting pipe one section, and the other end is located second connecting pipe 8, and the end opening that is located second connecting pipe 8 is downward and the opening part is installed the filter screen.

Wherein, transmission structure 9 is the head rod, stopper and second connecting rod triplex, the left end and the second gear 7 activity of head rod are cup jointed, the stopper cup joints with the second connecting rod activity, the right side fixed mounting of second connecting rod has first bellows 11, it removes to control through the rotation of second gear 7 drive second connecting rod and extrudees shrink to first bellows 11, can reach the purpose that removes about cleaning board eraser 12 with other structure cooperations, make clean effect better.

Wherein, the middle part of second connecting pipe 8 is made for elastic bellows, and the length value when second connecting pipe 8 expandes is greater than blackboard 1's height value, and right fixed block 6 has been cup jointed in the upper end activity of second connecting pipe 8, and second connecting pipe 8 can cooperate the extension when connecting shell 15 and remove, can guarantee the rationality of structure.

The working principle and the using process of the utility model are as follows:

the work of the negative pressure fan 10 is kept during writing, and dust falling during writing can be adsorbed and collected;

or after writing, the screw rod 4 and the negative pressure fan 10 are synchronously started, the cleaning eraser 12 and the connecting shell 15 move upwards under the driving of the screw rod 4 by the right fixing block 6 and the left fixing block 17, and meanwhile, the first gear 5 and the second gear 7 are matched to achieve the effect of enabling the connecting shell 15 and the cleaning eraser 12 to move left and right through the first corrugated pipe 11 and the second corrugated pipe 14, so that the cleaning effect is better, and the cleaning eraser 12 can be tightly attached to the blackboard 1 through the matching of the connecting shell 15, the spring 16 and the cleaning eraser 12;

the negative pressure fan 10 generates suction force to adsorb and collect dust through a circular hole formed in the connecting shell 15, the dust is collected into the processing bin 18 through the second connecting pipe 8, and the dust can be conveniently processed after cleaning.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic clear electronic blackboard, includes blackboard (1), all-in-one (2), protecting sheathing (3) and lead screw (4), its characterized in that: a first gear (5) is fixedly arranged at the lower end of the screw rod (4), a second gear (7) is meshed with the left side of the first gear (5), the upper end of the lead screw (4) is movably sleeved with a right fixed block (6), the top of the second gear (7) is provided with a transmission structure (9), a first corrugated pipe (11) is fixedly arranged at the left side of the transmission structure (9), a first connecting pipe (13) is fixedly communicated with the left side of the first corrugated pipe (11), a second corrugated pipe (14) is fixedly communicated with the left side of the first connecting pipe (13), a connecting shell (15) is fixedly arranged at the right side of the second corrugated pipe (14), the left end of the connecting shell (15) is fixedly connected with a left fixed block (17), the back of the connecting shell (15) is fixedly sleeved with a cleaning eraser (12), and the front of the cleaning eraser (12) is fixedly connected with a spring (16).

2. An automatically cleaning electric blackboard according to claim 1, characterized in that: the right side of the connecting shell (15) is fixedly communicated with a second connecting pipe (8), the back of the second connecting pipe (8) is fixedly provided with a negative pressure fan (10), and the bottom of the second connecting pipe (8) is fixedly communicated with a processing bin (18).

3. An automatically cleaning electric blackboard according to claim 2, characterized in that: the upper end and the lower end of the connecting shell (15) are both provided with rectangular cavities, the right sides of the rectangular cavities are provided with circular holes, and the rectangular cavities are fixedly communicated with second connecting pipes (8).

4. An automatically cleaning electric blackboard according to claim 2, characterized in that: the front side of the negative pressure fan (10) is provided with a connecting pipe, and the connecting pipe is L-shaped.

5. An automatically cleaning electric blackboard according to claim 1, characterized in that: the transmission structure (9) is composed of a first connecting rod, a limiting block and a second connecting rod, the left end of the first connecting rod is movably sleeved with a second gear (7), the limiting block is movably sleeved with the second connecting rod, and a first corrugated pipe (11) is fixedly mounted on the right side of the second connecting rod.

6. An automatically cleaning electric blackboard according to claim 2, characterized in that: the middle part of the second connecting pipe (8) is made of an elastic corrugated pipe, the length value of the second connecting pipe (8) when the second connecting pipe is unfolded is larger than the height value of the blackboard (1), and the upper end of the second connecting pipe (8) is movably sleeved with the right fixing block (6).