CN214523031U

CN214523031U - Multi-functional teaching blackboard convenient to remove

Info

Publication number: CN214523031U
Application number: CN202120682960.6U
Authority: CN
Inventors: 蔡海生
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-03
Filing date: 2021-04-03
Publication date: 2021-10-29
Anticipated expiration: 2031-04-03

Abstract

The utility model discloses a multi-functional teaching blackboard convenient to remove, including base and panel, panel fixed mounting is in the top of base, the top of base and the equal fixed mounting in both sides that is located the panel have first chute board, the inside sliding connection of first chute board has the connecting rod, the first spring of bottom fixedly connected with on connecting rod surface, the one end fixed connection of first spring is in the top of base, the utility model relates to a panel teaching equipment technical field. This multi-functional teaching blackboard convenient to remove can carry out nimble extension and shrink to the subplate through set up the spout between subplate and panel, writes more contents as needs, can stretch, enlarges and writes the area, utilizes the handspike to retrieve the subplate inside the panel after the use is accomplished, makes things convenient for next time to use, simultaneously through setting up the friction plate at the panel top, makes the subplate tensile or when accomodating, cleans automatically, for teaching time has been saved, teaching efficiency has been improved.

Description

Multi-functional teaching blackboard convenient to remove

Technical Field

The utility model relates to a teaching equipment technical field specifically is a multi-functional teaching blackboard convenient to remove.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige.

The existing movable teaching blackboard is single in fixed structure, small in writing area, and when the area of the blackboard with more writing contents cannot bear, the blackboard needs to be continuously and repeatedly wiped to be repeatedly written, so that time and labor are wasted, the teaching effect is reduced, and the blackboard is not stable enough and the teaching efficiency is greatly reduced due to the fact that the blackboard is convenient to move when the blackboard is written.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a multi-functional teaching blackboard convenient to remove has solved the teaching blackboard and has write the problem that the area is less and the body steadiness is poor.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multifunctional teaching blackboard convenient to move comprises a base and a panel, wherein the panel is fixedly arranged at the top of the base, first sliding groove plates are fixedly arranged at the top of the base and positioned on two sides of the panel, a connecting rod is connected inside the first sliding groove plates in a sliding manner, a first spring is fixedly connected to the bottom of the surface of the connecting rod, one end of the first spring is fixedly connected to the top of the base, a supporting column is fixedly connected to one end of the connecting rod, a fixing support is fixedly connected to the bottom of the supporting column, levers are fixedly arranged on two sides of the panel, an inclined plate matched with the supporting column is rotatably connected to the top end of each lever, sliding grooves are formed in two sides of the inner wall of the panel, sliding plates are connected inside the sliding grooves in a sliding manner, an auxiliary plate is fixedly connected between the two sliding plates, and the top of the auxiliary plate penetrates through the panel and extends to the outside of the panel, the upper parts of the two sides of the auxiliary plate are fixedly connected with baffle plates matched with the inclined plates.

Preferably, the both sides of subplate and the equal fixed mounting in upper portion that is located the slide have a spacing section of thick bamboo, the top and the equal fixed mounting in bottom of a spacing section of thick bamboo inner wall have a second spout board, two sliding connection has the slider between the second spout board, one side fixedly connected with second spring of slider, the one end fixed connection of second spring is in the right side of a spacing section of thick bamboo inner wall, the opposite side fixedly connected with guide arm of slider, the one end of guide arm runs through a spacing section of thick bamboo and extends to the outside of a spacing section of thick bamboo, the spacing hole with guide arm looks adaptation is all seted up on the both sides of panel inner wall and the upper portion that is located the spout.

Preferably, the upper part and the lower part of the two sides of the panel, which are positioned in the limiting hole, are both fixedly provided with a reset cylinder.

Preferably, one side fixedly connected with third spring of a section of thick bamboo inner wall resets, the one end fixedly connected with slide bar of third spring, the slide bar runs through a section of thick bamboo that resets and extends to the outside of a section of thick bamboo that resets, two the guide way that cooperatees and use with the slide bar is all seted up to the relative one side of a section of thick bamboo that resets, two fixedly connected with and spacing hole looks adaptation's handspike between the slide bar.

Preferably, a friction plate matched with the auxiliary plate is fixedly arranged at the top of the panel.

Preferably, universal wheels are fixedly mounted on two sides of the bottom of the base.

Advantageous effects

The utility model provides a multi-functional teaching blackboard convenient to remove. Compared with the prior art, the method has the following beneficial effects:

(1) this multi-functional teaching blackboard convenient to remove can extend in a flexible way and shrink the subplate through set up the spout between subplate and panel, writes more contents as needs, can stretch, enlarges and writes the area, utilizes the handspike to retrieve the subplate inside the panel after the use is accomplished, makes things convenient for next time to use, simultaneously through setting up the friction plate at the panel top, when making the subplate tensile or accomodate, cleans automatically, for the teaching time has been saved, the teaching efficiency has been improved.

(2) This multi-functional teaching blackboard convenient to remove, the baffle that makes subplate both sides fixed mounting through the drawing of subplate carries out the rising motion, give the support column through reaction force when the swash plate is raised to the baffle, make the support column drive fixed bolster downwardly extending to ground, thereby realize holistic stability, the panel is more firm can not take place the skew when making to write teaching content, after the use is accomplished, utilize under the common cooperation of handspike and first spring to make the support column reset, the convenience is removed the teaching blackboard at any time.

Drawings

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

fig. 2 is a cross-sectional view of the panel structure of the present invention;

fig. 3 is a sectional view of the structure of the limiting cylinder of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

fig. 5 is a side view of the fixing bracket structure of the present invention.

In the figure: 1. a base; 2. a panel; 3. a first chute plate; 4. a connecting rod; 5. a first spring; 6. a support pillar; 7. fixing a bracket; 8. a lever; 9. a sloping plate; 10. a chute; 11. a slide plate; 12. a sub-board; 13. a baffle plate; 14. a limiting cylinder; 15. a second chute plate; 16. a slider; 17. a second spring; 18. a guide bar; 19. a limiting hole; 20. a reset cylinder; 21. a third spring; 22. a slide bar; 23. a guide groove; 24. a handspike; 25. a friction plate; 26. a universal wheel.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional teaching blackboard convenient to move comprises a base 1 and a panel 2, wherein the panel 2 is fixedly arranged at the top of the base 1, a first chute plate 3 is fixedly arranged at the top of the base 1 and positioned at two sides of the panel 2, a connecting rod 4 is connected inside the first chute plate 3 in a sliding manner, a first spring 5 is fixedly connected at the bottom of the surface of the connecting rod 4, one end of the first spring 5 is fixedly connected at the top of the base 1, one end of the connecting rod 4 is fixedly connected with a supporting column 6, the bottom of the supporting column 6 is fixedly connected with a fixing bracket 7, levers 8 are fixedly arranged at two sides of the panel 2, the top end of each lever 8 is rotatably connected with an inclined plate 9 matched with the supporting column 6, chutes 10 are formed at two sides of the inner wall of the panel 2, sliding plates 11 are connected inside the chutes 10 in a sliding manner, auxiliary plates 12 are fixedly connected between the two sliding plates 11, the tops of the auxiliary plates 12 penetrate through the panel 2 and extend to the outside of the panel 2, the upper parts of two sides of the auxiliary plate 12 are fixedly connected with baffle plates 13 matched with the inclined plate 9, the two sides of the auxiliary plate 12 and the upper parts of the sliding plates 11 are fixedly provided with limiting cylinders 14, the top and the bottom of the inner wall of the limiting cylinder 14 are fixedly provided with second sliding groove plates 15, a sliding block 16 is connected between the two second sliding groove plates 15 in a sliding way, one side of the sliding block 16 is fixedly connected with a second spring 17, one end of the second spring 17 is fixedly connected with the right side of the inner wall of the limiting cylinder 14, the other side of the sliding block 16 is fixedly connected with a guide rod 18, one end of the guide rod 18 penetrates through the limiting cylinder 14 and extends to the outside of the limiting cylinder 14, the two sides of the inner wall of the panel 2 and the upper part of the sliding groove 10 are both provided with limiting holes 19 matched with the guide rod 18, the upper parts and the lower parts of the two sides of the panel 2 and the upper parts and the lower parts of the limiting holes 19 are both fixedly provided with reset cylinders 20, one side of the inner wall of the reset cylinders 20 is fixedly connected with a third spring 21, one end fixedly connected with slide bar 22 of third spring 21, slide bar 22 runs through a section of thick bamboo 20 that resets and extends to the outside of a section of thick bamboo 20 that resets, the guide way 23 that cooperatees and use with slide bar 22 has all been seted up to two relative one sides of a section of thick bamboo 20 that resets, fixedly connected with between two slide bars 22 and the handspike 24 of spacing hole 19 looks adaptation, the top fixed mounting of panel 2 has the friction plate 25 with subplate 12 looks adaptation, the felt has been pasted at the back of friction plate 25, the felt laminating is in the front of subplate 12, subplate 12 is through tensile and felt friction, the equal fixed mounting in both sides of base 1 bottom has universal wheel 26.

And those not described in detail in this specification are well within the skill of those in the art.

During operation, pull out subplate 12 from panel 2 is inside through the staff, when tensile certain distance, spacing section of thick bamboo 14 of subplate 12 bottom can utilize the extension of second spring 17 to inject guide arm 18 in spacing hole 19, make subplate 12 stabilize in the current position, baffle 13 also can rise when subplate 12 is tensile, through baffle 13 lifting swash plate 9, make the another side of swash plate 9 descend, can contact the top that support column 6 made support column 6 downstream when swash plate 9 descends, support column 6 utilizes the slip of connecting rod 4 to compress first spring 5, until support column 6 drives fixed bolster 7 and contacts ground.

During the removal, through promoting at handspike 24, let guide arm 18 extrude second spring 17 and make guide arm 18 and spacing hole 19 break away from the cooperation, guide arm 18 and spacing hole 19 break away from the cooperation back, subplate 12 can move down because of the action of gravity, in the withdrawal panel 2, extend after first spring 5 loses pressure and drive connecting rod 4 upwards slip in first spout board 3, connecting rod 4 drives support column 6 and upwards resets, accomplish after resetting alright remove with promoting the blackboard wholly.

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

Claims

1. The utility model provides a multi-functional teaching blackboard convenient to remove, includes base (1) and panel (2), panel (2) fixed mounting is in the top of base (1), its characterized in that: the top of the base (1) and two sides of the panel (2) are fixedly provided with first chute plates (3), the inner part of each first chute plate (3) is connected with a connecting rod (4) in a sliding manner, the bottom of the surface of each connecting rod (4) is fixedly connected with a first spring (5), one end of each first spring (5) is fixedly connected to the top of the base (1), one end of each connecting rod (4) is fixedly connected with a supporting column (6), the bottom of each supporting column (6) is fixedly connected with a fixed support (7), two sides of the panel (2) are fixedly provided with levers (8), the top ends of the levers (8) are rotatably connected with inclined plates (9) matched with the supporting columns (6), two sides of the inner wall of the panel (2) are provided with sliding grooves (10), the inner parts of the sliding grooves (10) are connected with sliding plates (11), and two auxiliary plates (12) are fixedly connected between the sliding plates (11), the top of subplate (12) runs through panel (2) and extends to the outside of panel (2), the equal fixedly connected with in upper portion of subplate (12) both sides and swash plate (9) looks adaptation baffle (13).

2. The multifunctional teaching blackboard convenient to move according to claim 1, characterized in that: the both sides of subplate (12) and the equal fixed mounting in upper portion that is located slide (11) have spacing section of thick bamboo (14), the top and the equal fixed mounting in bottom of spacing section of thick bamboo (14) inner wall have second chute board (15), two sliding connection has slider (16) between second chute board (15), one side fixedly connected with second spring (17) of slider (16), the one end fixed connection of second spring (17) is on the right side of spacing section of thick bamboo (14) inner wall, the opposite side fixedly connected with guide arm (18) of slider (16), the one end of guide arm (18) runs through spacing section of thick bamboo (14) and extends to the outside of spacing section of thick bamboo (14), the both sides of panel (2) inner wall and the upper portion that is located spout (10) all set up spacing hole (19) with guide arm (18) looks adaptation.

3. The multifunctional teaching blackboard convenient to move according to claim 2, characterized in that: and reset cylinders (20) are fixedly arranged on the two sides of the panel (2) and positioned at the upper part and the lower part of the limiting hole (19).

4. The multifunctional teaching blackboard convenient to move according to claim 3, characterized in that: one side fixedly connected with third spring (21) of a section of thick bamboo (20) inner wall resets, the one end fixedly connected with slide bar (22) of third spring (21), slide bar (22) run through a section of thick bamboo (20) that resets and extend to the outside of a section of thick bamboo (20) that resets, two guide way (23) that cooperate and use with slide bar (22), two are all seted up to the one side that resets that a section of thick bamboo (20) is relative hand push rod (24) of fixedly connected with and spacing hole (19) looks adaptation between slide bar (22).

5. The multifunctional teaching blackboard convenient to move according to claim 1, characterized in that: and a friction plate (25) matched with the auxiliary plate (12) is fixedly arranged at the top of the panel (2).

6. The multifunctional teaching blackboard convenient to move according to claim 1, characterized in that: and universal wheels (26) are fixedly mounted on two sides of the bottom of the base (1).