CN216268367U

CN216268367U - Adjustable teaching whiteboard

Info

Publication number: CN216268367U
Application number: CN202123042644.1U
Authority: CN
Inventors: 郑洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-12
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a debugged teaching whiteboard, which comprises a support A, a support B and bottom frames, wherein the bottoms of the support A and the support B are respectively provided with the bottom frames, the bottoms of the two bottom frames are respectively provided with a pulley, the middle part of the two bottom frames is connected with a fixed cross rod, a rectangular frame is arranged between the support A and the support B close to the upper end, the support A and the support B are connected with the rectangular frame through angle locking shafts, a teaching board is arranged in the rectangular frame, when the writing area is insufficient during teaching, a locking screw can be unscrewed, then a light sliding plate can slide downwards, then the locking screw is screwed, at the moment, the sliding plate and the teaching board can achieve the screen connecting effect, the writing area is increased, the problem that the teaching board needs to be continuously turned over due to the insufficient writing area is avoided, teaching contents can be written on the teaching board after the lower sliding plate is placed, therefore, coherent teaching contents do not need to be erased, and the teaching efficiency of the teacher is further improved.

Description

Adjustable teaching whiteboard

Technical Field

The utility model belongs to the technical field of related teaching equipment, and particularly relates to a debugged teaching whiteboard.

Background

The adjustable teaching whiteboard is an appliance used for writing and demonstrating in the education industry, and generally, the movable teaching whiteboard is placed in a classroom or a meeting room and used for writing contents with a marker pen or a water-based pen, so that the teaching and demonstrating effects are achieved.

The prior art of the adjustable teaching whiteboard has the following problems: the area can be write not enough to current debugging teaching blank, just need clean or turn over one side just to continue the teaching under the condition of writing full teaching content on the blank, will cause the influence to some students who do not remember the note like this, and continuous simultaneously cleans and the blank that overturns also can exert an influence to teacher's teaching efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a debuggeable teaching whiteboard so as to solve the problem that the whiteboard needs to be continuously turned over and wiped when the writing area of the whiteboard is insufficient during teaching, which is provided by the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a testable teaching whiteboard comprises a support A, a support B and bottom frames, wherein the bottoms of the support A and the support B are respectively provided with the bottom frames, the bottoms of the two bottom frames are respectively provided with a pulley, the middle part of the two bottom frames is connected with a fixed cross rod, a rectangular frame is arranged between the support A and the support B close to the upper end, the support A and the support B are respectively connected with the rectangular frame through an angle locking shaft, a teaching board is arranged inside the rectangular frame, the outer wall of the front end of the rectangular frame is provided with a sliding plate device, the sliding plate device comprises a metal sliding plate, a light sliding plate, a locking screw, a metal sliding rail A, U type sliding groove and a metal sliding rail B, the metal sliding rail B is arranged on the outer wall of the front end of the leftmost side of the rectangular frame, the metal sliding rail B is arranged on the outer wall of the front end of the rightmost side of the rectangular frame, and U-type sliding grooves are respectively penetrated inside the metal sliding rail A and the metal sliding rail B, and a locking screw penetrates through the outer wall of the metal sliding rail A close to the front end of the lower side, two metal sliding pieces are arranged in the U-shaped sliding grooves, and a light sliding plate is arranged between the two metal sliding pieces.

Preferably, the rectangular frame adopts the aluminum alloy to make, rectangular frame all has sprayed paint on the outer wall all around, teaching board surface covering has the baking finish coating, teaching board and rectangular frame pass through screw fixed connection.

Preferably, the support A, the support B, the underframe and the fixed cross rod are made of stainless steel, the support A, the support B and the underframe are fixedly connected through welding, and the underframe and the fixed cross rod are fixedly connected through welding.

Preferably, the rectangular frame can be rotatably adjusted between the support A and the support B through the angle locking shafts, and the outer walls of the left end and the right end of the rectangular frame are not attached to the outer wall of the right end of the support A and the outer wall of the left end of the support B after the angle locking shafts are unscrewed.

Preferably, the length of the metal slide rail A and the length of the metal slide rail B are larger than the longitudinal height of the rectangular frame, the outer wall of each metal slide sheet is attached to the inner wall of the U-shaped slide groove, and the metal slide sheets can slide up and down in the U-shaped slide groove.

Preferably, the pulley sets up four altogether, four the pulley all adopts the universal wheel design, four the pulley all has the brake function by oneself, four the lower extreme of pulley keeps on same horizontal plane.

Compared with the prior art, the utility model provides a debuggeable teaching whiteboard, which has the following beneficial effects:

1. the utility model adds the sliding plate device on the outer wall of the front end of the rectangular frame, the device is internally provided with the light sliding plate, when the writing area is not enough during teaching, the locking screw can be unscrewed, then the light sliding plate slides downwards, then the locking screw is screwed, at the moment, the sliding plate and the teaching board can achieve the screen connecting effect, the writing area is increased, the problem that the teaching board needs to be turned over continuously due to insufficient writing area is avoided, the teaching content can be written on the teaching board after the lower sliding plate is placed, therefore, the coherent teaching content is not needed to be erased, the teaching efficiency of a teacher is further increased, because the device is completely attached on the outer wall of the front end of the rectangular frame, when the angle of the teaching board needs to be adjusted through the angle locking shaft, the angle of the device can be adjusted along with the teaching board, the requirement of increasing the writing area is met, and the teaching content on the teaching board can be conveniently written by the teacher, because the sliding plate is made of a lighter material, the position can be more easily and conveniently adjusted up and down;

2. the sliding plate device of the utility model has the following specific use process: firstly, the locking screw on the sliding plate is screwed off, then the sliding plate is placed at the top end of the U-shaped sliding groove in the two sliding rails, then the locking screw is screwed on and fixed, then the whole device is adhered to the outer walls of the left end and the right end of the rectangular frame in a flush manner through an adhesive, the two sliding rails can be pressed lightly, the sliding rails can be connected with the rectangular frame more tightly, the adhering speed is accelerated, then the device is laid flat and kept still for a while, the metal sliding rails can be slightly shaken off before use, if the metal sliding rails have no shaking signs, the device is connected with the rectangular frame more tightly, the device can be used normally, when more contents need to be written during teaching, the locking screw can be unscrewed, the sliding plate is placed downwards to a proper position, then the locking screw is screwed to fix the sliding plate, and then the teaching contents can be written on the second teaching plate, after the teaching is finished, erasing the handwriting of the teaching board, and then adjusting the sliding board to be flush with the rectangular frame.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

fig. 1 is a schematic structural diagram of a testable teaching whiteboard according to the present invention;

FIG. 2 is a schematic view of the construction of the teaching board and the sliding board according to the present invention;

fig. 3 is a schematic perspective disassembled structure view of the sliding plate device of the present invention;

fig. 4 is a schematic front structural diagram of a debuggable teaching whiteboard according to the present invention;

in the figure: 1. a pulley; 2. a bracket A; 3. a sliding plate device; 4. an angle locking shaft; 5. a rectangular frame; 6. a teaching board; 7. a bracket B; 8. a chassis; 9. fixing the cross bar; 10. a metal slip sheet; 11. a lightweight slip sheet; 12. locking screws; 13. a metal slide rail A; 14. a U-shaped chute; 15. and a metal slide rail B.

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.

Example one

Referring to fig. 1, fig. 2, fig. 3, and fig. 4, the present invention provides a technical solution: the utility model provides a can debug teaching whiteboard, including support A2, support B7 and chassis 8, chassis 8 is all installed to support A2 and support B7 bottom, two chassis 8 bottoms all are provided with pulley 1, pulley 1 sets up four altogether, four pulley 1 all adopt the universal wheel design, four pulley 1 are all from having brake function, four pulley 1's lower extreme keeps on same horizontal plane, four pulley 1 are all from having brake function and being convenient for remove and the position of fixed teaching whiteboard, all keep at same horizontal plane more steady when it uses, it is more smooth in the removal process, two chassis 8 middle departments are connected with fixed horizontal pole 9, support A2, support B7, chassis 8 and fixed horizontal pole 9 all adopt the stainless steel to make, support A2 and support B7 pass through welded fastening with chassis 8, two chassis 8 and fixed horizontal pole 9 pass through welded fastening and are connected, the stainless steel becomes to have increased support A2, support B7 and chassis 8, four pulley 1 all install chassis 8, four pulley 1 all have the brake function, the brake function of brake function, the brake function of the bottom of support A, the bottom of support B7, the support A, the bottom of the support B is connected with the fixed horizontal pole of the fixed horizontal pole 9, the support B, the support A is connected with the fixed horizontal pole of the support B, the support B is connected through welded fastening and the support A, the support B can be connected through welded fastening and the support B, the support B can be connected with the support B, the support B can be connected with the support B, the support B can be connected with the support B, the support B can be connected with the support of the support B, the support of the support, Support B7, the frame intensity of chassis 8 and fixed horizontal pole 9, it is more firm to make its connection through the welding, support A2 and support B7 are close to and are provided with rectangular frame 5 between the upper end, support A2 and support B7 all are connected through angle locking shaft 4 with rectangular frame 5, rectangular frame 5 inside is provided with teaching board 6, be provided with sliding plate device 3 on the outer wall of rectangular frame 5 front end, rectangular frame 5 adopts the aluminum alloy to make, rectangular frame 5 all has sprayed paint on the outer wall all around, teaching board 6 surface covering has the baking finish coating, teaching board 6 and rectangular frame 5 pass through screw fixed connection, rectangular frame 5 adopts the aluminum alloy to make it light durable, and is convenient for install and dismantle, teaching board 6 surface covering has the baking finish coating, the writing is more clear when writing, also be convenient for clean simultaneously.

Example two

Referring to fig. 1, fig. 2, fig. 3, and fig. 4, the present invention provides a technical solution: a testable teaching whiteboard is disclosed, a rectangular frame 5 can be rotatably adjusted between a support A2 and a support B7 through angle locking shafts 4, the outer walls of the left and right ends of the rectangular frame 5 are not attached to the outer wall of the right end of the support A2 and the outer wall of the left end of the support B7 after the two angle locking shafts 4 are unscrewed, the rectangular frame 5 can be better fixed through the two angle locking shafts 4, the outer walls of the left and right ends of the rectangular frame 5 are not attached to the outer wall of the right end of the support A2 and the outer wall of the left end of the support B7 after the two angle locking shafts are unscrewed, so that the angle of the rectangular frame 5 can be adjusted conveniently, a sliding plate device 3 comprises a metal sliding plate 10, a light sliding plate 11, a locking screw 12, a metal sliding rail A13, a U-shaped sliding groove 14 and a metal sliding rail B15, the metal sliding rail A13 is arranged on the outer wall of the leftmost front end of the rectangular frame 5, a metal sliding rail B15 is arranged on the rightmost front end outer wall of the rectangular frame 5, the metal sliding rail A13 and the metal sliding rail B15 are both penetrated by the U-shaped sliding groove 14, the metal slide rail A13 has run through on being close to the downside front end outer wall and has locked screw 12, two U type spout 14 insides all are provided with metal gleitbretter 10, be provided with light sliding plate 11 between two metal gleitbretter 10, metal slide rail A13 and metal slide rail B15 length are greater than the vertical height of rectangular frame 5, two metal gleitbretter 10 outer walls and the laminating of the 14 inner walls of U type spout, two metal gleitbretters 10 can slide from top to bottom in U type spout 14 insides, metal slide rail A13 and metal slide rail B15 length are greater than the vertical height of rectangular frame 5 and can make light sliding plate 11 also can reach even screen effect with teaching board 6 when sliding to the bottom, two metal gleitbretters 10 have also ensured the smoothness of light sliding plate 11 when sliding when having fixed light sliding plate 11.

The working principle and the using process of the utility model are as follows: firstly, the four pulleys 1 are fixed at the bottom end of the underframe 8 through screws, then the rectangular frame 5 is placed between a bracket A2 and a bracket B7, threaded holes at the left and right ends of the rectangular frame 5 are aligned and level with threaded holes on the outer walls of the upper ends, close to the bracket A2 and the bracket B7, of the bracket A2 and the bracket B7, then the two angle locking shafts 4 are screwed into the threaded holes of the bracket A2 and the bracket B7, the angle locking shafts 4 can be screwed down to fix the rectangular frame 5 between the bracket A2 and the bracket B7, at the moment, the left and right outer walls of the rectangular frame 5 are completely attached to the outer walls of the right end of the bracket A2 and the left end of the bracket B7, then the sliding plate devices 3 are adhered to the left and right ends of the rectangular frame 5 in a flush manner through adhesives, when the writing area is insufficient during teaching, the light sliding plate 11 can be slid down to a proper position by unscrewing the locking screws 12, then teaching contents can be continuously written on the teaching plate 6, need not continuous upset and clean teaching board 6, light sliding plate 11 also can reach even screen effect with teaching board 6 after sliding down, and then has increased the teaching time and has improved the teaching quality, when the end teaching, cleans the teaching content on light sliding plate 11 and the teaching board 6, then slide light sliding plate 11 to with 5 parallel and level of rectangular frame can.

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 a can debug teaching blank, includes support A (2), support B (7) and chassis (8), its characterized in that: the bottom of each of the support A (2) and the support B (7) is provided with an underframe (8), the bottoms of the two underframe (8) are provided with pulleys (1), the middle of the two underframe (8) is connected with a fixed cross rod (9), a rectangular frame (5) is arranged between the support A (2) and the support B (7) and close to the upper end of the support A (2) and the support B (7), the support A (2) and the support B (7) are connected with the rectangular frame (5) through angle locking shafts (4), a teaching board (6) is arranged inside the rectangular frame (5), a sliding plate device (3) is arranged on the outer wall of the front end of the rectangular frame (5), the sliding plate device (3) comprises a metal sliding plate (10), a light sliding plate (11), a locking screw (12), a metal sliding rail A (13), a U-shaped sliding groove (14) and a metal sliding rail B (15), the metal sliding rail A (13) is arranged on the outer wall of the leftmost front end of the rectangular frame (5), the metal sliding rail B (15) is arranged on the outer wall of the rightmost front end of the rectangular frame (5), U-shaped sliding grooves (14) are formed in the metal sliding rail A (13) and the metal sliding rail B (15) in a penetrating mode, locking screws (12) penetrate through the outer wall, close to the front end of the lower side, of the metal sliding rail A (13), two metal sliding pieces (10) are arranged in the U-shaped sliding grooves (14), and light sliding plates (11) are arranged between the metal sliding pieces (10).

2. The debuggable educational whiteboard of claim 1, wherein: rectangular frame (5) adopt the aluminum alloy to make, rectangular frame (5) all spray on the outer wall all around have paint, teaching board (6) surface covering has the baking finish coating, teaching board (6) and rectangular frame (5) pass through screw fixed connection.

3. The debuggable educational whiteboard of claim 1, wherein: support A (2), support B (7), chassis (8) and fixed horizontal pole (9) all adopt the stainless steel to make, support A (2) and support B (7) are through welded fastening connection with chassis (8), two chassis (8) are through welded fastening connection with fixed horizontal pole (9).

4. The debuggable educational whiteboard of claim 1, wherein: rectangular frame (5) accessible angle locking axle (4) rotation regulation between support A (2) and support B (7), two both ends outer wall and support A (2) right-hand member outer wall and support B (7) left end outer wall do not laminate about angle locking axle (4) rectangular frame (5) after the unscrewing.

5. The debuggable educational whiteboard of claim 1, wherein: the length of the metal slide rail A (13) and the length of the metal slide rail B (15) are larger than the longitudinal height of the rectangular frame (5), two metal slide pieces (10) are attached to the inner wall of the U-shaped slide groove (14), and the two metal slide pieces (10) can slide up and down in the U-shaped slide groove (14).

6. The debuggable educational whiteboard of claim 1, wherein: the pulley (1) is provided with four, four the pulley (1) is designed to be a universal wheel, the pulley (1) has a braking function, and the lowest end of the pulley (1) is kept on the same horizontal plane.