CN218702388U

CN218702388U - Separated blackboard

Info

Publication number: CN218702388U
Application number: CN202222457160.1U
Authority: CN
Inventors: 谭少学
Original assignee: Zhanjiang Digital Technology Co ltd
Current assignee: Zhanjiang Digital Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-24
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to a blackboard technical field specifically is a cellular-type blackboard. The utility model discloses, including fixed frame, the inner wall fixedly connected with of fixed frame writes the board, the surface of fixed frame is equipped with auxiliary structure, auxiliary structure includes two L shaped plates, L shaped plate and fixed frame fixed connection, two one side joint that the L shaped plate is close to each other has the drawing board, two locating levers of one side fixedly connected with of drawing board, the one end fixedly connected with accessory plate of drawing board is kept away from to the locating lever, the opposite side fixedly connected with dead lever of accessory plate, a plurality of card hole has evenly been seted up to the inside of dead lever, one side fixedly connected with limiting plate of fixed frame, the inside sliding connection of limiting plate has the inserted bar, inserted bar and card hole sliding connection. The problem of write board space utilization low, when mathematics mr carries out the analysis to the solid geometry drawing, the solid geometry drawing can occupy more and can write the space, influences the step show of solving the problem is solved.

Description

Separated blackboard

Technical Field

The utility model relates to a blackboard technical field especially relates to a cellular-type blackboard.

Background

The blackboard is composed of a fixed frame and a writing board, is a device for writing characters, and is widely applied in the teaching field.

In the prior art, when a mathematic teacher teaches a solid geometry solution, the mathematic teacher usually draws on a writing board and then analyzes solid geometry data, but because the solid geometry graph is complex, the writing board needs to occupy more writing space, so that the teacher needs to repeatedly wipe the analyzing step on the writing board to release the writing space, inconvenience is brought to teacher teaching, and meanwhile, the teacher is inconvenient to understand and record.

In order to solve the problem that a math teacher occupies more space of a writing board when drawing a solid geometry drawing, and inconvenience is brought to the content of a writing analysis step of the math teacher, the prior art means is that a push-pull small-size writing board is additionally added outside the writing board, the solid geometry drawing is separately drawn on the small-size writing board for processing, but the small-size writing board is pushed, and meanwhile, a part of analysis step can be covered, so that the problem solving step is limited, and the understanding and the recording of students are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the board space utilization is low for writing that exists among the prior art, when mathematics mr carries out the analysis to the solid geometry drawing, the solid geometry drawing can occupy more space of writing, influences the shortcoming of the step show of solving the problem, and a cellular-type blackboard that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cellular-type blackboard, includes fixed frame, the board is write to the inner wall fixedly connected with of fixed frame, the surface of fixed frame is equipped with auxiliary structure, auxiliary structure includes two L shaped plates, L shaped plate and fixed frame fixed connection, two one side joint that the L shaped plate is close to each other has the drawing board, two locating levers of one side fixedly connected with of drawing board, the one end fixedly connected with accessory plate of drawing board is kept away from to the locating lever, the opposite side fixedly connected with dead lever of accessory plate, a plurality of card hole has evenly been seted up to the inside of dead lever, one side fixedly connected with limiting plate of fixed frame, the inside sliding connection of limiting plate has the inserted bar, inserted bar and card hole sliding connection.

The effect that above-mentioned part reaches is: the method achieves the effect that a mathematic teacher can write the three-dimensional geometric figure and the calculation data separately, and the data calculation is more visual.

Preferably, the arc surface of the inserted bar is sleeved with a first spring, and two ends of the first spring are respectively and fixedly connected with the limiting plate and the inserted bar.

The effect that above-mentioned part reaches is: reached better make the inserted bar better insert card hole in, and then the effect of fixed drawing board.

Preferably, one end of the fixing rod, far away from the drawing board, is fixedly connected with a handle, and the cross section of the handle is T-shaped.

The effect that above-mentioned part reaches does: the effect of conveniently pulling the fixing rod is achieved.

Preferably, one side of the writing board is provided with a sliding groove, and the sliding groove of the writing board is in sliding connection with the drawing board.

The effect that above-mentioned part reaches is: the effect of limiting the movement of the drawing board is achieved.

Preferably, the surface of fixed frame is equipped with the regulation structure, it includes the connecting rod to adjust the structure, connecting rod and fixed frame fixed connection, the other end fixedly connected with base of connecting rod, the arc surface sliding connection of connecting rod has the locating plate, the locating plate is close to one side of base and installs two pulleys, the arc surface threaded connection of connecting rod has the screw thread ring, two spacing holes have been seted up to the inside of base, the size in spacing hole and the size looks adaptation of pulley.

The effect that above-mentioned part reaches does: after the mathematics teacher has learned the subject, convenient quick travel writes the board to next classroom, and then has reached the effect that makes things convenient for the teaching of mathematics teacher, and then the time of practicing thrift the teaching of same subject to the mathematics teacher to a certain extent.

Preferably, the lower surface of the base is fixedly connected with an anti-slip mat, and a plurality of anti-slip lines are uniformly arranged on the surface of the anti-slip mat.

The effect that above-mentioned part reaches is: the effect of better fixed link has been reached.

Preferably, the arc surface of the connecting rod is sleeved with a second spring, and two ends of the second spring are fixedly connected with the base and the positioning plate respectively.

The effect that above-mentioned part reaches is: with the help of the elasticity of second spring, can upwards slide the locating plate along the connecting rod, and then reached the effect of accomodating the pulley fast.

To sum up, the beneficial effects of the utility model are that:

in the utility model, when the teacher needs to draw the three-dimensional geometric figure, the inserting rod is firstly pulled to slide along the inner part of the limiting plate to be separated from the clamping hole, the first spring is in a stretched state, the pull handle is pulled to drive the fixed rod to move at the moment, the pull handle has the effect of conveniently and rapidly pulling the fixed rod, the fixed rod moves to drive the auxiliary plate to move, the auxiliary plate moves to drive the two positioning rods to move, so that the drawing board slides along the inner wall of the L-shaped plate, the chute has the effect of limiting the moving position of the drawing board, when the drawing board moves to a proper position, the inserting rod is loosened, the first spring can provide a pulling force for the inserting rod at the moment, so that the inserting rod is inserted into the clamping hole to further fix the drawing board, teacher's drawing solid geometry on the drawing board is ridden to mathematics this moment, when needs are withdrawed the drawing board, the pulling inserted bar makes the inserted bar break away from the card hole, promote the handle this moment and drive the dead lever and remove, the dead lever removes and drives the accessory plate and remove to being close to the drawing board, when the drawing board removes suitable position, loosen the inserted bar again, make the inserted bar insert the card hole, and then fixed drawing board, through setting up auxiliary structure, it writes to have reached to make things convenient for the teacher to separate solid geometry with the calculus data, and then make the more audio-visual effect of data calculus, can draw solid geometry simultaneously on the drawing board alone, make separate between solid geometry and the problem solving step, make the problem solving step more audio-visual, it is convenient that the certain degree brings for the mathematics teacher.

Drawings

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

fig. 2 is a schematic rear side view of the present invention shown in fig. 1;

FIG. 3 is a schematic view of the structure at A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the adjusting structure of the present invention.

Illustration of the drawings: 1. a fixing frame; 2. writing a board; 3. an auxiliary structure; 301. an L-shaped plate; 302. drawing boards; 303. positioning a rod; 304. an auxiliary plate; 305. fixing the rod; 306. a clamping hole; 307. a limiting plate; 308. Inserting a rod; 309. a first spring; 310. a handle; 311. a chute; 4. an adjustment structure; 41. a connecting rod; 42. a base; 43. positioning a plate; 44. a pulley; 45. a threaded ring; 46. a limiting hole; 47. a non-slip mat; 48. a second spring.

Detailed Description

Referring to fig. 1, the utility model provides a technical scheme: the utility model provides a cellular-type blackboard, includes fixed frame 1, and the inner wall fixedly connected with of fixed frame 1 writes board 2, and the surface of fixed frame 1 is equipped with auxiliary structure 3, and the surface of fixed frame 1 is equipped with adjusts structure 4.

The specific arrangement and function of the auxiliary structure 3 and the adjustment structure 4 will be described in detail below.

Referring to fig. 2 and 3, in the present embodiment: the auxiliary structure 3 comprises two L-shaped plates 301, the L-shaped plates 301 are fixedly connected with the fixed frame 1, one sides of the two L-shaped plates 301 close to each other are clamped with a drawing board 302, one side of the drawing board 302 is fixedly connected with two positioning rods 303, one end of the positioning rod 303 far away from the drawing board 302 is fixedly connected with an auxiliary board 304, the other side of the auxiliary board 304 is fixedly connected with a fixing rod 305, a plurality of clamping holes 306 are uniformly formed in the fixing rod 305, one side of the fixed frame 1 is fixedly connected with a limiting plate 307, the inside of the limiting plate 307 is slidably connected with an inserting rod 308, and the inserting rod 308 is slidably connected with the clamping holes 306. The method achieves the effect that a mathematic teacher can write the three-dimensional geometric figure and the calculation data separately, and the data calculation is more visual. The arc surface of the inserted bar 308 is sleeved with a first spring 309, and two ends of the first spring 309 are respectively fixedly connected with the limiting plate 307 and the inserted bar 308. The effect of better enabling the insertion rod 308 to be better inserted into the clamping hole 306 and further fixing the drawing board 302 is achieved. Fixed rod 305 is fixedly connected with pull handle 310 at an end away from drawing board 302, and pull handle 310 is T-shaped in cross section. The effect of conveniently pulling the fixing lever 305 is achieved. One side of the writing board 2 is provided with a sliding groove 311, and the sliding groove 311 of the writing board 2 is connected with the drawing board 302 in a sliding manner. The effect of limiting the movement of drawing pad 302 is achieved.

Referring to fig. 4, in the present embodiment: adjust structure 4 and include connecting rod 41, connecting rod 41 and fixed frame 1 fixed connection, the other end fixedly connected with base 42 of connecting rod 41, the arc surface sliding connection of connecting rod 41 has locating plate 43, two pulleys 44 are installed to one side that locating plate 43 is close to base 42, the arc surface threaded connection of connecting rod 41 has screw ring 45, two spacing holes 46 have been seted up to base 42's inside, the size of spacing hole 46 and pulley 44's size looks adaptation. After the mathematics teacher has taught the subject, make things convenient for the quick travel to write board 2 to next classroom, and then reached the effect that makes things convenient for the teaching of mathematics teacher, and then the time of practicing thrift the teaching of mathematics teacher to same subject to a certain extent. The lower surface of base 42 is fixedly connected with non-slip mat 47, and the surface of non-slip mat 47 evenly is equipped with a plurality of anti-skidding line. The effect of better fixing the connecting rod 41 is achieved. The arc surface of the connecting rod 41 is sleeved with a second spring 48, and two ends of the second spring 48 are respectively fixedly connected with the base 42 and the positioning plate 43. The positioning plate 43 can slide upward along the connecting rod 41 by the elastic force of the second spring 48, thereby achieving the effect of rapidly receiving the pulley 44.

The working principle is as follows: when a teacher in class needs to draw a three-dimensional geometric figure, the rod 308 is pulled first to make the rod 308 slide along the inside of the position-limiting plate 307 to be separated from the hole 306, wherein the first spring 309 is in a stretched state, and at this time, the handle 310 is pulled to drive the fixing rod 305 to move, wherein the handle 310 has an effect of conveniently and rapidly pulling the fixing rod 305, the fixing rod 305 moves to drive the auxiliary plate 304 to move, the auxiliary plate 304 moves to drive the two positioning rods 303 to move, and further the drawing board 302 slides along the inner wall of the L-shaped plate 301, wherein the sliding slot 311 has an effect of limiting the moving position of the drawing board 302, when the drawing board 302 moves to a proper position, the rod 308 is released, and at this time, the first spring 309 exerts a pulling force on the rod 308 to make the rod 308 inserted into the hole 306, and further fix the drawing board 302, at this moment, the teacher in the mathematics class draws the stereogeometric figure on drawing board 302, when needing to withdraw drawing board 302, pulling inserted bar 308 makes inserted bar 308 break away from card hole 306, push handle 310 this moment and drive dead lever 305 and remove, dead lever 305 removes and drives accessory plate 304 and remove to being close to drawing board 302, when drawing board 302 removes suitable position, loosen inserted bar 308 again, make inserted bar 308 insert card hole 306, and then fixed drawing board 302, through setting up auxiliary structure 3, it writes to make things convenient for the teacher in the mathematics class to separate the stereogeometric figure with the calculation data, and then make the more audio-visual effect of data calculation, can draw the stereogeometric figure on drawing board 302 alone simultaneously, make separate between stereogeometric figure and the solution step, make the solution step more audio-visual, the certain degree brings convenience for the mathematics teacher.

When the teacher in the lecture generation of mathematics explains one class, when needing to explain another class student, screw ring 45 rotates earlier, make screw ring 45 rotate downwards along connecting rod 41, screw ring 45 removes and drives locating plate 43 and remove, second spring 48 is in the state of compressed this moment, locating plate 43 removes and drives two pulleys 44 and pass spacing hole 46, when pulley 44 removes suitable position, stop rotating screw ring 45, can directly remove with the help of pulley 44 and write board 2 this moment, will write board 2 and remove another class, when needs are fixed write board 2, reverse screw ring 45, second spring 48 can give an ascending elasticity of locating plate 43 this moment, and then drive locating plate 43 rebound, locating plate 43 removes and drives pulley 44 and pass spacing hole 46 and move upwards, slipmat 47 contacts ground this moment, the effect of increasing the frictional force between base 42 and the ground has been played, and then better fixed write board 2, can directly give another class's explanation to the content of writing this moment, through setting up and adjusting structure 4, reached and conveniently moved and then write the problem effect of the same class student of the class of the same degree of writing, the efficiency of saving is improved on the teaching of the same class student, the repetition time of writing.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims

1. The utility model provides a cellular-type blackboard, includes fixed frame (1), its characterized in that: the inner wall fixedly connected with of fixed frame (1) writes board (2), the surface of fixed frame (1) is equipped with auxiliary structure (3), auxiliary structure (3) include two L shaped plates (301), L shaped plate (301) and fixed frame (1) fixed connection, two one side joint that L shaped plate (301) are close to each other has drawing board (302), two locating levers (303) of one side fixedly connected with of drawing board (302), the one end fixedly connected with accessory plate (304) of drawing board (302) are kept away from in locating lever (303), the opposite side fixedly connected with dead lever (305) of accessory plate (304), a plurality of card hole (306) have evenly been seted up to the inside of dead lever (305), one side fixedly connected with limiting plate (307) of fixed frame (1), the inside sliding connection of limiting plate (307) has inserted bar (308), inserted bar (308) and card hole (306) sliding connection.

2. A blackboard according to claim 1, characterised in that: the arc surface of the inserted bar (308) is sleeved with a first spring (309), and two ends of the first spring (309) are respectively and fixedly connected with the limiting plate (307) and the inserted bar (308).

3. A blackboard according to claim 1, characterised in that: one end of the fixing rod (305) far away from the drawing board (302) is fixedly connected with a handle (310), and the cross section of the handle (310) is T-shaped.

4. A blackboard according to claim 1, characterised in that: one side of the writing board (2) is provided with a sliding groove (311), and the sliding groove (311) of the writing board (2) is connected with the drawing board (302) in a sliding manner.

5. A blackboard according to claim 1, characterised in that: the surface of fixed frame (1) is equipped with adjusts structure (4), adjust structure (4) including connecting rod (41), connecting rod (41) and fixed frame (1) fixed connection, the other end fixedly connected with base (42) of connecting rod (41), the arc surface sliding connection of connecting rod (41) has locating plate (43), two pulleys (44) are installed to one side that locating plate (43) are close to base (42), the arc surface threaded connection of connecting rod (41) has screw ring (45), two spacing holes (46) have been seted up to the inside of base (42), the size of spacing hole (46) and the size looks adaptation of pulley (44).

6. A blackboard according to claim 5, characterised in that: the lower surface of base (42) is fixedly connected with non-slip mat (47), the surface of non-slip mat (47) evenly is equipped with a plurality of anti-skidding line.

7. A blackboard according to claim 5, characterised in that: the arc surface of the connecting rod (41) is sleeved with a second spring (48), and two ends of the second spring (48) are respectively fixedly connected with the base (42) and the positioning plate (43).