CN214688749U

CN214688749U - Novel push-pull blackboard

Info

Publication number: CN214688749U
Application number: CN202121023353.5U
Authority: CN
Inventors: 谢利民; 李端
Original assignee: Shaanxi Hongri Modern Industrial Co ltd
Current assignee: Shaanxi Hongri Modern Industrial Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-12
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a novel push-pull blackboard, which belongs to the technical field of teaching tools and specifically comprises an installation frame, a fixed blackboard and a movable blackboard, wherein a collection box is arranged below the installation frame, two drainage plates are obliquely arranged in a collection tank, the relative outer ends of the two drainage plates are respectively connected with the top ends of the two sides of the collection tank, mounting grooves for mounting suction fans are also formed in the two sides of the collection box, and a first cleaning mechanism is arranged between the two second filter screens; the utility model discloses make things convenient for the operator to carry out the push-and-pull to movable blackboard, the use switches each other between fixed blackboard and movable blackboard, through first filter screen, can collect dropping at the inside chalk end of recess, through starting the suction fan, inside the dust absorption entering collection box that makes the operator produce when using the blackboard, avoid chalk dust pollution classroom environment, cause harm to the human body.

Description

Novel push-pull blackboard

Technical Field

The utility model belongs to the technical field of the teaching tool, concretely relates to novel plug-type blackboard.

Background

Push-and-pull blackboard also known as compound blackboard is the more popular new-type clipboard of schools in every place nearly two years, and push-and-pull blackboard is the same with ordinary teaching blackboard usage on the surface, but pushes away and keeps off behind two faces outside, has just appeared interactive whiteboard or liquid crystal touch TV, can realize the audio-visual education, and push-and-pull blackboard's maximum function is just in here: the traditional teaching and the modern teaching are combined, namely the writing board and the electronic white board are switched randomly, so that the teaching pen is safe and convenient.

However, most of the existing blackboard dust is collected through a partition plate at the bottom, so that the accumulated dust is scattered and pollutes the classroom environment.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a novel plug-type blackboard has the convenient characteristics of collecting chalk head and chalk dust.

In order to achieve the above object, the utility model provides a following technical scheme: a novel push-pull blackboard comprises an installation frame, a fixed blackboard and a movable blackboard, wherein the fixed blackboard is arranged in the installation frame, grooves are respectively formed in the top and the bottom of the installation frame along the length direction of the fixed blackboard, slide rods are respectively arranged in the two grooves, the movable blackboard is movably sleeved on the slide rods to enable the movable blackboard to move left and right along the length direction of the slide rods, the movable blackboard is positioned in front of the fixed blackboard and parallel to the fixed blackboard, a first filter screen is arranged in each groove and positioned below the slide rods, a collection box is arranged below the installation frame, a collection tank is arranged in the collection box and communicated with the grooves, two drainage plates are obliquely arranged in the collection tank, the outer ends of the two drainage plates, which are opposite, are respectively connected with the top ends of the two sides of the collection tank, the inner ends of the two drainage plates, are respectively connected with a second filter screen, and the bottom of the second filter screen is connected with the bottom of the collection tank, the mounting groove that is used for installing the suction fan is still offered to the both sides of collecting the box, and two mounting grooves all communicate with the collecting vat, are provided with first clearance mechanism between two second filter screens.

Preferably, the bottoms of two sides of the movable blackboard are respectively provided with an annular ring, the two annular rings are movably sleeved on the sliding rod, and the inner ring of the annular ring is provided with a first cleaning brush for cleaning the surface of the sliding rod.

Preferably, the fixed scraper blade that is provided with in bottom of annular ring, the scraper blade is located first filter screen top for the clearance drops the chalk point on first filter screen, and two sides of installing frame are provided with respectively retrieves the box, and the accumulator has been seted up respectively to the relative inboard of box is retrieved to both sides, and two accumulators all communicate with the recess, are provided with the clearance door that is used for clearing up the chalk point inside the recovery box on two recovery boxes respectively.

Preferably, first clearance mechanism includes movable plate and two slide rails, the both ends of two slide rails respectively with collecting vat fixed connection, two slide rails are parallel and all set up perpendicularly with the collecting vat, seted up two spouts on the movable plate and made movable plate and slide rail swing joint, the both ends difference fixedly connected with riser of movable plate, the relative outside of two risers and the bottom of movable plate are equipped with the second cleaning brush respectively for clear up two second filter screens and collecting vat bottoms portion, be provided with the handle on the movable plate.

Preferably, a sealing door for cleaning dust in the collecting tank is arranged on the front side of the collecting box.

Preferably, a control switch is arranged on the mounting frame and used for starting or closing the suction fan.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses make things convenient for the operator to carry out the push-and-pull to movable blackboard, the use switches each other between fixed blackboard and movable blackboard, through first filter screen, can collect dropping at the inside chalk end of recess, through starting the suction fan, inside the dust absorption entering collection box that makes the operator produce when using the blackboard, avoid chalk dust pollution classroom environment, cause harm to the human body.

Drawings

The accompanying drawings 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 invention and not to limit the invention. In the drawings:

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

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

FIG. 3 is a schematic left side view of the present invention;

FIG. 4 is a schematic view of the structure of the annular ring and the scraper of the present invention;

FIG. 5 is a schematic view of a partially enlarged view of the A-A of the present invention;

in the figure: 1. installing a frame; 2. fixing the blackboard; 3. a slide bar; 4. a movable blackboard; 5. a first filter screen; 6. a collection box; 7. collecting tank; 8. a drainage plate; 9. a second filter screen; 10. an air suction fan; 11. an annular ring; 12. a first cleaning brush; 13. a squeegee; 14. a recovery box; 15. cleaning the door; 16. moving the plate; 17. a slide rail; 18. a vertical plate; 19. a second cleaning brush; 20. a handle; 21. a sealing door; 22. and controlling the switch.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present embodiment provides the following technical solutions: a novel push-pull blackboard comprises a mounting frame 1, a fixed blackboard 2 and a movable blackboard 4, wherein the fixed blackboard 2 is arranged inside the mounting frame 1, grooves are respectively formed in the top and the bottom of the mounting frame 1 along the length direction of the fixed blackboard 2, slide rods 3 are respectively arranged inside the two grooves, the movable blackboard 4 is movably sleeved on the slide rods 3 to enable the movable blackboard 4 to move left and right along the length direction of the slide rods 3, the movable blackboard 4 is positioned on the front side of the fixed blackboard 2 and is parallel to the fixed blackboard 2, an operator can conveniently push and pull the movable blackboard 4, the movable blackboard 2 and the movable blackboard 4 can be mutually switched for use, a first filter screen 5 is arranged in the groove and is positioned below the slide rods 3 to prevent chalk heads from falling into a collecting box 6, annular rings 11 are respectively arranged at the bottoms of two side edges of the movable blackboard 4, and the two annular rings 11 are movably sleeved on the slide rods 3, the inner ring of the annular ring 11 is provided with a first cleaning brush 12 for cleaning the surface of the sliding rod 3, when a worker pushes and pulls the movable blackboard 4, the annular ring 11 and the first cleaning brush move along the length direction of the sliding rod 3 to clean chalk dust falling on the surface of the sliding rod 3, so that the chalk dust is prevented from adhering to the sliding rod 3 for a long time, and the movable blackboard 4 cannot move, the bottom of the annular ring 11 is fixedly provided with a scraper 13, the scraper 13 is positioned above the first filter screen 5 and used for cleaning chalk ends falling on the first filter screen 5, two side edges of the mounting frame 1 are respectively provided with a recovery box 14, the opposite inner sides of the recovery boxes 14 at two sides are respectively provided with a recovery groove, the two recovery grooves are communicated with the grooves, the two recovery boxes 14 are respectively provided with a cleaning door 15 for cleaning the chalk ends in the recovery boxes 14, and the movable blackboard 4 can move through the scraper 13, the chalk end falling on the first filter screen 5 is scraped and conveyed, so that the chalk end enters the recovery boxes 14 at two sides, an operator opens the cleaning door 15 to clean the chalk end in the recovery boxes 14, the collection box 6 is arranged below the mounting frame 1, the collection box 6 is internally provided with a collection groove 7 and communicated with the groove, the collection groove 7 is internally and obliquely provided with two drainage plates 8, the opposite outer ends of the two drainage plates 8 are respectively connected with the top ends of the two sides of the collection groove 7, the opposite inner ends of the two drainage plates 8 are respectively connected with a second filter screen 9, the bottom of the second filter screen 9 is connected with the bottom of the collection groove 7, the two sides of the collection box 6 are also provided with mounting grooves for mounting suction fans 10, the two mounting grooves are both communicated with the collection groove 7, and by starting the suction fans 10, dust generated when the operator uses the blackboard is absorbed and enters the collection box 6, so that the classroom environment pollution caused by the chalk dust is avoided, the cleaning device is characterized in that a first cleaning mechanism is arranged between the two second filter screens 9 and comprises a moving plate 16 and two slide rails 17, two ends of the two slide rails 17 are respectively and fixedly connected with the collecting tank 7, the two slide rails 17 are parallel and are both perpendicular to the collecting tank 7, two chutes are formed in the moving plate 16 to movably connect the moving plate 16 with the slide rails 17, two ends of the moving plate 16 are respectively and fixedly connected with vertical plates 18, second cleaning brushes 19 are respectively arranged on the opposite outer sides of the two vertical plates 18 and the bottom of the moving plate 16 and used for cleaning the bottoms of the two second filter screens 9 and the collecting tank 7, a handle 20 is arranged on the moving plate 16, the moving plate 16 is pulled by the handle 20 to simultaneously clean the inner sides of the second filter screens 9 on two sides and the bottom of the collecting tank 7 through the second cleaning brushes 19, so as to avoid the second filter screens 9 from being blocked, a sealing door 21 for cleaning dust in the collecting tank 7 is arranged on the front side of the collecting box 6, by opening the sealing door 21, the chalk dust in the collecting tank 7 is cleaned, and the mounting frame 1 is provided with a control switch 22 for starting or closing the suction fan 10.

The utility model discloses a theory of operation: when an operator uses the blackboard, the fan is started through the control switch 22, chalk dust generated in the using process of the operator is absorbed into the collecting box 6, when the movable blackboard 4 is pushed and pulled, the operator can mutually switch between the fixed blackboard 2 and the movable blackboard 4 for use, the flexibility of the blackboard is increased, the annular ring 11 moves along with the movable blackboard 4 while the movable blackboard 4 is pushed and pulled, the first cleaning brush 12 cleans the surface of the sliding rod 3, chalk heads falling on the first filter screen 5 are cleaned into the recycling boxes 14 on two sides through the scraper 13, the phenomenon that the first filter screen 5 is blocked due to long-time accumulation of the chalk heads is avoided, after the blackboard is used, the suction fan 10 is closed, the cleaning door 15 is opened by the operator, the chalk heads in the recycling boxes 14 are processed, then the sealing door 21 is opened, the handle 20 is pulled by the operator, the moving plate 16 moves back and forth along the length direction of the sliding rail 17, so that the second cleaning brush 19 cleans the opposite inner sides of the two second filter screens 9 and the bottom of the collecting gutter 7, and performs centralized processing of the chalk dust inside the collecting gutter 7.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel push-pull blackboard is characterized in that: comprises a mounting frame (1), a fixed blackboard (2) and a movable blackboard (4), wherein the fixed blackboard (2) is arranged in the mounting frame (1), the top and the bottom of the mounting frame (1) are respectively provided with a groove along the length direction of the fixed blackboard (2), a slide bar (3) is respectively arranged in the two grooves, the movable blackboard (4) is movably sleeved on the slide bar (3) to enable the movable blackboard (4) to move left and right along the length direction of the slide bar (3), the movable blackboard (4) is positioned at the front side of the fixed blackboard (2) and is parallel to the fixed blackboard (2), a first filter screen (5) is arranged in the groove and is positioned below the slide bar (3), a collecting box (6) is arranged below the mounting frame (1), a collecting groove (7) is arranged in the collecting box (6) and is communicated with the grooves, two drainage plates (8) are obliquely arranged in the collecting groove (7), the relative outer ends of two drainage plates (8) are connected with the both sides top of collecting vat (7) respectively, and the relative inner of two drainage plates (8) is connected with second filter screen (9) respectively, and the bottom and the collecting vat (7) bottom of second filter screen (9) are connected, and the mounting groove that is used for installing suction fan (10) is still offered to the both sides of collecting box (6), and two mounting grooves all communicate with collecting vat (7), are provided with first clearance mechanism between two second filter screens (9).

2. A novel push-pull blackboard according to claim 1, characterised in that: the blackboard cleaning device is characterized in that annular rings (11) are respectively arranged at the bottoms of two side edges of the movable blackboard (4), the two annular rings (11) are movably sleeved on the sliding rod (3), and a first cleaning brush (12) is arranged on the inner ring of each annular ring (11) and used for cleaning the surface of the sliding rod (3).

3. A novel push-pull blackboard according to claim 2, characterised in that: the fixed scraper blade (13) that is provided with in bottom of annular circle (11), scraper blade (13) are located first filter screen (5) top for the clearance drops the chalk end on first filter screen (5), and two sides of installing frame (1) are provided with respectively and retrieve box (14), and the accumulator has been seted up respectively to the relative inboard of box (14) is retrieved to both sides, and two accumulators all communicate with the recess, are provided with respectively on two recovery boxes (14) and are used for clearing up clearance door (15) of retrieving the inside chalk end of box (14).

4. A novel push-pull blackboard according to claim 1, characterised in that: first clearance mechanism includes movable plate (16) and two slide rails (17), the both ends of two slide rails (17) respectively with collecting vat (7) fixed connection, two slide rails (17) are parallel and all set up perpendicularly with collecting vat (7), two spouts have been seted up on movable plate (16) and have made movable plate (16) and slide rail (17) swing joint, the both ends difference fixedly connected with riser (18) of movable plate (16), the relative outside of two riser (18) and the bottom of movable plate (16) are equipped with second cleaning brush (19) respectively for clear up two second filter screens (9) and collecting vat (7) bottom, be provided with handle (20) on movable plate (16).

5. A novel push-pull blackboard according to claim 4, characterised in that: the front side of the collecting box (6) is provided with a sealing door (21) for cleaning dust in the collecting tank (7).

6. A novel push-pull blackboard according to claim 1, characterised in that: the mounting frame (1) is provided with a control switch (22) for starting or closing the suction fan (10).