CN213400159U

CN213400159U - Higher mathematics function demonstration teaching aid

Info

Publication number: CN213400159U
Application number: CN202022631937.2U
Authority: CN
Inventors: 张冬梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-15
Filing date: 2020-11-15
Publication date: 2021-06-08
Anticipated expiration: 2030-11-15

Abstract

The utility model provides a higher mathematics function demonstration teaching aid relates to blackboard technical field, including rectangle frame and setting-out device, the inner wall fixedly connected with show board of rectangle frame, the surface of rectangle frame is equipped with the setting-out device, the setting-out device is including two spouts, two the spout is seted up on the surface of rectangle frame, two the equal sliding connection of inner wall of spout has the slider, two one side sliding connection that the spout diapire was kept away from to the slider has the slide bar, the surface sliding connection of slide bar has square piece, the first setting-out board of fixedly connected with between two square pieces, one side fixedly connected with limiting plate of show board is kept away from to first setting-out board. The utility model discloses, solved when the teacher need draw the curve graph on the blackboard, because do not have the convenient mr of definite form to look for a little on the coordinate axis, this will lead to the teacher to be difficult to give the student with the vivid and vivid show of curve graph to the problem of the quality of function teaching has been influenced.

Description

Higher mathematics function demonstration teaching aid

Technical Field

The utility model relates to a blackboard technical field especially relates to a higher mathematics function demonstration teaching aid.

Background

The blackboard is not specially designated to a black board, is a plane which can be repeatedly written in the traditional sense, is hard, is mostly used for teaching, is mostly black, dark green and white, and is coated on the surfaces of hard objects such as boards and cement by black coating for more than two hundred years, and to the terrazzo glass, color coated steel plates and composite plates in the nineties, which proves the one-step development of the world education cause, and is a man-made work for spreading knowledge, popularizing education and setting up sweat horse labor.

In the teaching that the mathematics mr carries out the function to the student, need draw the coordinate axis on the blackboard usually, conveniently show the teaching of function to the student, when the teacher need draw the curve graph on the blackboard, because do not have the convenience teacher of confirmed form to look for a point on the coordinate axis, this will lead to the teacher to be difficult to give the student with the vivid show of curve graph to the quality of function teaching has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a demonstration teaching aid for higher mathematical functions.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a higher mathematical function demonstration teaching aid comprises a rectangular frame and a line drawing device, wherein the inner wall of the rectangular frame is fixedly connected with a demonstration board, the surface of the rectangular frame is provided with a line drawing device, the line drawing device comprises two sliding grooves, the two sliding grooves are formed in the surface of the rectangular frame, the inner walls of the two sliding grooves are both connected with sliding blocks in a sliding mode, one sides, far away from the bottom walls of the sliding grooves, of the two sliding blocks are connected with sliding rods in a sliding mode, the surface of the slide bar is connected with square blocks in a sliding way, a first line drawing plate is fixedly connected between the two square blocks, a limiting plate is fixedly connected to one side of the first line drawing plate, which is far away from the display plate, an L-shaped groove is formed in one side of the limiting plate, which is close to the first line drawing plate, the inner wall of the L-shaped groove is connected with a limiting block in a sliding manner, one side fixedly connected with second setting-out board that the limiting block kept away from the limiting plate, second setting-out board is with the help of limiting block and limiting plate sliding connection.

Preferably, one end, far away from the sliding block, of the sliding rod is fixedly connected with a wafer, a first spring is sleeved on the surface of the sliding rod, one end of the first spring is fixedly connected with the square block, and the other end of the first spring is fixedly connected with the wafer.

Preferably, one side fixedly connected with rectangular block of show board is kept away from to the second setting-out board, the second setting-out board is with the help of rectangular block and limiting plate sliding connection.

Preferably, the surface of rectangle frame is equipped with locking device, locking device is including the fixed block, fixed block and rectangle frame fixed connection, the sliding surface of fixed block is connected with the bolt, the solid fixed ring of one side fixedly connected with of fixed block is kept away from to the bolt, the limiting plate is close to one side fixedly connected with fixture block of fixed block, the locating hole has been seted up on the surface of fixture block, the size of locating hole and the big or small looks adaptation of bolt, the surface cover of bolt has the second spring, the both ends fixed connection of second spring is between fixed block, solid fixed ring.

Preferably, a pull rope is fixedly connected between the two bolts, and the bolts are connected with the fixed block in a sliding mode through the pull rope.

Preferably, the surface of the rectangular frame is fixedly connected with two connecting blocks, a fixing rod is fixedly connected between the two connecting blocks, and the surface of the fixing rod is rotatably connected with a roller.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, through arranging the line drawing device, when needing to draw lines on the blackboard, the rectangular block is held by hands, the second line drawing plate slides to the upper side of the blackboard, the second line drawing plate is attached on the display plate, the second line drawing plate can slide from top to bottom to draw lines on the display plate, wherein the limiting block has a certain limiting effect on the second line drawing plate, the second line drawing plate can prevent the lines on the blackboard from being erased after the lines are drawn by chalk, then the first line drawing plate slides in the chute by means of the sliding block from left to right, in the process of sliding the first line drawing plate, the first line drawing plate can be lifted up by the elastic force of the first spring on the circular sheet, thereby preventing the first line drawing plate from erasing the lines drawn by the second line drawing plate, wherein the sliding bar has the effect of limiting the direction of the elastic force of the first spring, the curve drawing device is arranged to solve the problem that a teacher needs to draw on the blackboard, the teacher can conveniently find points on the coordinate axis without a determined form, so that the teacher cannot easily display the vivid and vivid curve graph to students, and the quality of function teaching is influenced.

2. In the utility model, through the arrangement of the locking device, when the second line drawing board needs to slide to draw lines on the display board, the first line drawing board is pressed on the display board, and the second line drawing board slides towards the direction of the bolt, the bolt slides on the fixture block in the sliding process, when the bolt slides to the position of the positioning hole on the fixture block, the bolt can be inserted into the positioning hole by the elasticity of the second spring on the fixture block, thereby achieving the effect of locking and fixing the first line drawing board, when the first line drawing board needs to slide, the stay cord between the two rollers is directly pulled, thereby achieving the purpose of taking out the bolt from the positioning hole, facilitating the effect of sliding the first line drawing board, and the arrangement of the locking device solves the problem that when the second line drawing board needs to slide, because the first line drawing board can slide on the rectangular frame, the problem that a teacher straightens the line on the second line drawing board is influenced.

Drawings

Fig. 1 is a schematic perspective view of a higher mathematical function demonstration teaching aid provided by the utility model;

fig. 2 is a schematic structural view of the advanced mathematical function demonstration teaching aid in a state that the first drawing plate is taken out from the rectangular frame in fig. 1;

FIG. 3 is a partial schematic view of FIG. 2 of a higher mathematical function demonstration teaching aid provided by the present invention;

fig. 4 is a schematic structural diagram of a point a in fig. 1 in the advanced mathematical function demonstration teaching aid of the present invention;

fig. 5 is the utility model provides a B department schematic structure of fig. 1 among advanced math function demonstration teaching aid.

Illustration of the drawings: 1. a rectangular frame; 2. a display board; 3. a line drawing device; 301. a first line drawing plate; 302. a limiting plate; 303. a chute; 304. a second line drawing plate; 305. a rectangular block; 306. a limiting block; 307. a slider; 308. a slide bar; 309. a first spring; 310. a wafer; 4. a locking device; 41. a clamping block; 42. pulling a rope; 43. a second spring; 44. a fixing ring; 45. a bolt; 46. a fixed block; 47. connecting blocks; 48. and (3) a roller.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-5, the utility model provides a higher mathematics function demonstration teaching aid, including rectangle frame 1 and setting-out device 3, the inner wall fixedly connected with show board 2 of rectangle frame 1, the surface of rectangle frame 1 is equipped with setting-out device 3, and the surface of rectangle frame 1 is equipped with latch device 4.

The specific arrangement and operation of the line marking apparatus 3 and the latching apparatus 4 will be described in detail below.

As shown in fig. 1 and 2, the line drawing device 3 includes two sliding grooves 303, the two sliding grooves 303 are formed on the surface of the rectangular frame 1, the inner walls of the two sliding grooves 303 are slidably connected with sliding blocks 307, one side of the two sliding blocks 307 away from the bottom wall of the sliding grooves 303 is slidably connected with a sliding rod 308, wherein the sliding rod 308 has an effect of limiting the direction of the elastic force of a first spring 309, the surface of the sliding rod 308 is slidably connected with square blocks, a first line drawing board 301 is fixedly connected between the two square blocks, then the first line drawing board 301 is slid in the sliding grooves 303 through the sliding blocks 307 from left to right, during the sliding of the first line drawing board 301, the first line drawing board 301 is lifted up by the elastic force of the first spring 309 on the wafer 310, so as to prevent the first line drawing board 301 from wiping off the lines drawn by the second line drawing board 304, one side of the first line drawing board 301 away from the display board 2 is fixedly connected with a limiting, an L-shaped groove is formed in one side, close to the first line drawing plate 301, of the limiting plate 302, a limiting block 306 is connected to the inner wall of the L-shaped groove in a sliding mode, a second line drawing plate 304 is fixedly connected to one side, far away from the limiting plate 302, of the limiting block 306, the second line drawing plate 304 is connected with the limiting plate 302 in a sliding mode through the limiting block 306, a wafer 310 is fixedly connected to one end, far away from a sliding block 307, of the sliding rod 308, a first spring 309 is sleeved on the surface of the sliding rod 308, one end of the first spring 309 is fixedly connected with the square block, the other end of the first spring 309 is fixedly connected with the wafer 310, a rectangular block 305 is fixedly connected to one side, far away from the display plate 2, through the line drawing device 3, when a line needs to be drawn on the blackboard, the rectangular block 305 is held by hands, the second line drawing plate 304 slides to the upper side firstly, the second line drawing plate 304, the limiting block 306 has a certain limiting effect on the second line drawing plate 304, the second line drawing plate 304 slides from top to bottom to prevent lines on a blackboard from being erased after a chalk is used for drawing a line, and the second line drawing plate 304 is in sliding connection with the limiting plate 302 through the rectangular block 305.

The whole line drawing device 3 achieves the effect that by arranging the line drawing device 3, when a line is required to be drawn on the blackboard, the rectangular block 305 is held by a hand, the second line drawing plate 304 is firstly slid to the upper side of the blackboard, the second line drawing plate 304 is attached to the display plate 2, the second line drawing plate 304 can be slid from top to bottom to draw a line on the display plate 2, the limiting block 306 has a certain limiting effect on the second line drawing plate 304, the effect of wiping off the line on the blackboard after the line is drawn by chalk can be prevented by sliding the second line drawing plate 304 from top to bottom, then the first line drawing plate 301 is slid in the sliding groove 303 by the sliding block 307 from left to right, in the process of sliding the first line drawing plate 301, the first line drawing plate 301 can be lifted up by the elasticity of the first spring 309 on the wafer 310, so that the effect of wiping off the line drawn by the second line drawing plate 304 by the first line drawing plate 301 is prevented, the sliding rod 308 has the effect of limiting the elastic force direction of the first spring 309, and the arrangement of the line drawing device 3 solves the problem that when a teacher needs to draw a curve graph on a blackboard, the teacher cannot easily vividly show the curve graph to students due to the fact that no determined form is convenient for the teacher to find points on the coordinate axis, and therefore the quality of function teaching is affected.

As shown in fig. 1 and 4, the locking device 4 includes a fixed block 46, the fixed block 46 is fixedly connected with the rectangular frame 1, a bolt 45 is slidably connected to the surface of the fixed block 46, when the second line drawing plate 304 needs to slide to draw a line on the display panel by providing the locking device 4, the first line drawing plate 301 is pressed on the display panel 2, and the second line drawing plate 304 slides towards the bolt 45, during the sliding process, the bolt 45 slides on the fixture block 41, when the bolt 45 slides to the position of the positioning hole on the fixture block 41, the bolt 45 is inserted into the positioning hole by the elasticity of the second spring 43 on the fixed block 46, so as to achieve the effect of locking and fixing the first line drawing plate 301, the fixing ring 44 is fixedly connected to the side of the bolt 45 away from the fixed block 46, the fixture block 41 is fixedly connected to the side of the limiting plate 302 close to the fixed block 46, the positioning hole is formed on the surface of the fixture block, the size of locating hole and 45 big or small looks adaptations of bolt, the surface cover of bolt 45 has second spring 43, the both ends fixed connection of second spring 43 is at fixed block 46, gu between the fixed ring 44, fixedly connected with stay cord 42 between two bolts 45, when needs slide first setting-out board 301, stay cord 42 between two cylinders 48 of direct pulling, thereby can reach and take out bolt 45 from the locating hole, made things convenient for and carried out gliding effect to first setting-out board 301, bolt 45 is with the help of stay cord 42 and fixed block 46 sliding connection, two connecting blocks 47 of fixed surface connection of rectangular frame 1, fixedly connected with dead lever between two connecting blocks 47, the surperficial rotation of dead lever is connected with cylinder 48.

The whole locking device 4 achieves the effect that by arranging the locking device 4, when the second line drawing plate 304 needs to slide to draw a line on the display panel, the first line drawing plate 301 is pressed on the display panel 2, the second line drawing plate 304 slides towards the bolt 45, the bolt 45 can slide on the fixture block 41 in the sliding process, when the bolt 45 slides to the position of the positioning hole on the fixture block 41, the bolt 45 can be inserted into the positioning hole by the elasticity of the second spring 43 on the fixing block 46 under the action of the elasticity of the second spring 43 on the fixing block 46, so that the effect of locking and fixing the first line drawing plate 301 is achieved, when the first line drawing plate 301 needs to slide, the pulling rope 42 between the two rollers 48 is directly pulled, so that the bolt 45 can be taken out of the positioning hole, the effect of sliding the first line drawing plate 301 is convenient, the arrangement of the locking device 4 solves the problem that when the second line drawing plate 304 needs to slide, the first line drawing board 301 slides over the rectangular frame 1 and this affects the problem of the teacher straightening the line on the second line drawing board 304.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a higher mathematics function demonstration teaching aid, includes rectangle frame (1) and setting-out device (3), its characterized in that: the inner wall fixedly connected with show board (2) of rectangle frame (1), the surface of rectangle frame (1) is equipped with setting-out device (3), setting-out device (3) are including two spout (303), two the surface at rectangle frame (1) is seted up in spout (303), two the equal sliding connection of inner wall of spout (303) has slider (307), two one side sliding connection that spout (303) diapire was kept away from in slider (307) has slide bar (308), the sliding connection of surface of slide bar (308) has square piece, fixedly connected with first setting-out board (301) between two square pieces, one side fixedly connected with limiting plate (302) of show board (2) are kept away from to first setting-out board (301), the L shape groove has been seted up to one side that limiting plate (302) are close to first setting-out board (301), the inner wall sliding connection in L shape groove has stopper (306), one side fixedly connected with second setting-out board (304) of limiting plate (302) is kept away from in stopper (306), second setting-out board (304) are with the help of stopper (306) and limiting plate (302) sliding connection.

2. A higher math function demonstration teaching aid according to claim 1, wherein: one end, far away from the sliding block (307), of the sliding rod (308) is fixedly connected with a wafer (310), a first spring (309) is sleeved on the surface of the sliding rod (308), one end of the first spring (309) is fixedly connected with the square block, and the other end of the first spring (309) is fixedly connected with the wafer (310).

3. A higher math function demonstration teaching aid according to claim 1, wherein: one side fixedly connected with rectangular block (305) of show board (2) is kept away from to second setting-out board (304), second setting-out board (304) are with the help of rectangular block (305) and limiting plate (302) sliding connection.

4. A higher math function demonstration teaching aid according to claim 1, wherein: the surface of rectangle frame (1) is equipped with locking device (4), locking device (4) are including fixed block (46), fixed block (46) and rectangle frame (1) fixed connection, the sliding surface of fixed block (46) is connected with bolt (45), one side fixedly connected with who fixed block (46) are kept away from to bolt (45) is solid fixed ring (44), one side fixedly connected with fixture block (41) that limiting plate (302) are close to fixed block (46), the locating hole has been seted up on the surface of fixture block (41), the size of locating hole and the big or small looks adaptation of bolt (45), the surperficial cover of bolt (45) has second spring (43), the both ends fixed connection of second spring (43) is between fixed block (46), solid fixed ring (44).

5. A higher math function demonstration teaching aid according to claim 4, wherein: a pull rope (42) is fixedly connected between the two bolts (45), and the bolts (45) are connected with a fixed block (46) in a sliding mode through the pull rope (42).

6. A higher math function demonstration teaching aid according to claim 1, wherein: the surface of the rectangular frame (1) is fixedly connected with two connecting blocks (47), a fixing rod is fixedly connected between the connecting blocks (47), and the surface of the fixing rod is rotatably connected with a roller (48).