CN209928694U - Demonstration board for education - Google Patents

Abstract

The utility model discloses a demonstration board for education relates to education instrument technical field, and it includes first panel, the one side that the left and right sides face of first panel was kept away from respectively with two second panels through two hinges is articulated, and the back of two second panels all with the positive overlap joint of first panel, and the opposite face overlap joint of two second panels, and the draw-in groove has all been seted up to the upper surface of two second panels, two recesses have been seted up to the upper surface of first panel. This demonstration board for education, through the combined action of pivot, bearing, telescopic link, spring, fly leaf, kelly, draw-in groove, first panel and second panel to realized having avoided having occupied the time of giving lessons the in-process and having write the time of having taken a large amount of classes to writing the direct show of accomplishing the content of giving lessons, first panel is located the back of two second panels when just not showing, is difficult for wiping, has made things convenient for mr's lecture.

Description

An educational demonstration board

technical field

The utility model relates to the technical field of educational tools, in particular to an educational demonstration board.

Background technique

Pedagogy is a social science that studies educational phenomena, educational problems and their laws. It exists widely in human life. The general laws of education are revealed through the study of educational phenomena and educational problems.

The demo board used for traditional teaching is too bulky, difficult to handle, and cannot be moved according to the actual situation. Moreover, the writing time of pedagogy during the teaching process occupies a lot of class time, which will affect the progress of the teaching, and the writing time is too long. It will bring discomfort to the teacher's body. If the content of the courseware is directly written on the demo board, it will be accidentally wiped off, and it will be rewritten, which is a waste of time.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a demonstration board for education, which solves the problem that the traditional demonstration board for teaching is too large and difficult to handle. At the same time, the time for writing in the teaching process of education occupies a lot of class. This will affect the progress of the teaching, and writing for a long time will bring discomfort to the teacher's body. If the content of the courseware is directly written on the demo board, it will be accidentally wiped off, and it will be rewritten, which is a waste of time. The problem.

(2) Technical solutions

In order to achieve the above purpose, the technical solution adopted by the present utility model is: a demonstration board for education, comprising a first panel, and the left and right sides of the first panel are respectively connected with the two second panels through two hinges. The far side is hinged, and the backs of the two second panels are overlapped with the front of the first panel, and the opposite surfaces of the two second panels are overlapped, and the upper surfaces of the two second panels are both provided with card slots, The upper surface of the first panel is provided with two grooves.

The lower surface of the inner wall of the groove is clamped with a rotating device, the outer wall of the rotating device is sleeved with a rubber ring, and a telescopic device is fixedly connected to the top of the rotating device, and a movable plate is fixedly connected to the top of the telescopic device. A clamping rod is fixedly connected to the lower surface of the movable plate, and the clamping rod is clamped on the inner wall of the clamping slot.

Preferably, the upper surface of the second panel is provided with a handle, and the outer wall of the handle is provided with threads.

Preferably, a plurality of magnetic blocks are arranged on the front of the second panel, and the magnetic blocks are attached to the second panel.

Preferably, the shapes of the grooves, the clamping rods and the clamping grooves are all square or regular hexagon.

Preferably, the rotating device includes a bearing, the bearing is clamped on the lower surface of the inner wall of the groove, and the inner wall of the bearing is sleeved with a rotating shaft, the outer wall of the rotating shaft is overlapped with the inner wall of the rubber ring, and the top end of the rotating shaft is connected to the inner wall of the rubber ring. The bottom end of the telescopic device is fixedly connected, and the rubber ring is arranged on the upper surface of the bearing.

Preferably, the telescopic device includes a telescopic rod, the outer wall of the telescopic rod is sleeved with a spring, and the top and bottom ends of the spring and the telescopic rod are respectively fixedly connected to the lower surface of the movable plate and the top of the rotating shaft.

Preferably, the two ends of the lower surface of the first panel are respectively provided with support legs of an inverted Y-shaped structure, and the bottom ends of the two support legs are provided with pulleys, the number of the pulleys is four, and the four Brake pads are provided on the pulleys.

(3) Beneficial effects

The beneficial effects of the present utility model are:

1. The educational demonstration board, through the joint action of the rotating shaft, bearing, telescopic rod, spring, movable board, clamping rod, clamping slot, the first panel and the second panel, the teacher pulls the movable board upward, so that the activity carries the card. The rod moves upward, so that the clamping rod is separated from the clamping slot, the spring and the telescopic rod are extended, and the second panel is rotated through the handle, and the second panel is rotated 90 degrees under the action of the hinge, and the movable plate is rotated, so that the movable plate is in the Under the action of the rotating shaft and the bearing, the lever rotates, and when the lever rotates to 90 degrees, the teacher releases the movable plate, so that the movable plate moves downward under the action of the spring tension, so that the lever moves downward and It is connected with the card slot, and then the learner can directly observe the teaching content that has been written in advance on the first panel, so as to realize the direct display of the written teaching content, and avoid the time of writing during the teaching process occupying a lot of class. time, and the first panel is located on the back of the two second panels when not displayed, which is not easy to be wiped off, which is convenient for teachers to teach.

2. In this educational demonstration board, by setting the pulley and the brake pad, the teacher makes the first panel and the second panel move by pushing the utility model to a suitable position, and the teacher makes the pulley fixed by the brake pad, thereby realizing the correctness of the pulley. The fixing of the first panel and the second panel is realized, and the writing effect of the teacher is guaranteed.

3. The educational demonstration board, by setting the rubber ring, increases the friction force between the rotating shaft and the rubber ring, making the rotation of the rotating shaft more stable, avoiding the random rotation of the movable plate, thus ensuring the clamping rod and the clamping rod. The snap effect of the slot.

Description of drawings

Fig. 1 is the structural representation of the front view of the utility model;

FIG. 2 is a cross-sectional structural schematic diagram of the left side view of the first panel of the present invention;

Fig. 3 is the structural schematic diagram of the top view of the utility model;

4 is a schematic top view of the structure of the second panel of the present invention when it is unfolded.

In the figure: 1 first panel, 2 hinge, 3 second panel, 4 groove, 5 rotating device, 51 bearing, 52 rotating shaft, 6 rubber ring, 7 telescopic device, 71 telescopic rod, 72 spring, 8 movable plate, 9 levers, 10 slots, 11 support legs, 12 pulleys, 13 brake pads, 14 handles, 15 magnets, 16 snap rings.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-4, the present utility model provides a technical solution: a demonstration board for education, comprising a first panel 1, the left and right sides of the first panel 1 are connected to two hinges 2 respectively through two hinges 2 The side of the second panel 3 is hinged away from each other, and by arranging the hinge 2, the relative rotation between the first panel 1 and the second panel 3 is realized, which facilitates the folding of the second panel 3, and thus facilitates the The utility model is carried, and the backs of the two second panels 3 are overlapped with the front of the first panel 1, and the opposite surfaces of the two second panels 3 are overlapped, and the upper surfaces of the two second panels 3 are open There is a card slot 10, the upper surface of the second panel 3 is provided with a handle 14, and the outer wall of the handle 14 is provided with anti-slip threads. Threaded, thereby increasing the friction between the handle 14 and the palm, so that it is more convenient for teachers to pull the second panel 3 through the second handle 14. The front of the second panel 3 is provided with a number of magnetic blocks 15, and the magnetic blocks 15 other The magnetic adsorption function is attached to the second panel 3. By setting the magnetic block 15, the teacher can place the paper lesson plan on the front of the second panel 3, and then move the magnetic block 15 to separate the magnetic block 15 from the second panel 3. , and then attach the magnetic block 15 to the surface of the paper teaching plan, and fix the paper teaching plan under the action of the magnetic force of the magnetic block 15 and the second panel 3, so as to facilitate the fixing of the paper teaching plan, the upper part of the first panel 1 There are two grooves 4 on the surface.

The lower surface of the inner wall of the groove 4 is clamped with a rotating device 5, and the outer wall of the rotating device 5 is sleeved with a rubber ring 6. The rotating device 5 includes a bearing 51. The bearing 51 is fixedly clamped on the lower surface of the inner wall of the groove 4, and the bearing 51 A rotating shaft 52 is inserted into the inner wall of the rotating shaft 52. By setting the rotating shaft 52 and the bearing 51, the rotation of the movable plate 8 with the clamping rod 9 is realized, thereby facilitating the clamping of the second panel 3 located in different directions. The lower end surface of the rotating shaft 52 It is fixedly connected with the inner wall of the bearing 51, and the upper end extends to the top of the bearing 51. The upper surface of the bearing 51 is fixedly connected with a rubber ring 6, and the outer wall of the rotating shaft 52 overlaps with the inner wall of the rubber ring 6. The friction between the rubber ring 6 and the rubber ring 6 makes the rotation of the rotating shaft 52 more stable, avoiding the random rotation of the movable plate 8, thereby ensuring the clamping effect of the clamping rod 9 and the clamping groove 10. The top of the rotating device 5 is fixedly connected with a The telescopic device 7, and the top end of the rotating shaft 52 is fixedly connected with the bottom end of the telescopic device 7, the top of the telescopic device 7 is fixedly connected with the movable plate 8, and the telescopic device 7 includes a telescopic rod 71. The lifting is more stable, the outer wall of the telescopic rod 71 is sleeved with a spring 72, the outer side of the spring 72 is movably sleeved with a snap ring 16, the top of the snap ring 16 is fixedly connected with the lower surface of the movable plate 8, and the inner wall of the snap ring 16 is connected to the spring The outer wall of 72 is not in contact, the top and bottom ends of the spring 72 and the telescopic rod 71 are fixedly connected with the lower surface of the movable plate 8 and the top of the rotating shaft 52 respectively, and the lower surface of the movable plate 8 away from the telescopic device 7 is fixedly connected with a clamping rod. 9. One end of the clamping rod 9 is fixedly connected with the lower surface of the movable plate 8, and the other end is clamped inside the card slot 10. By setting the spring 72, the teacher releases the movable plate 8, so that the movable plate 8 is under the action of the pulling force of the spring 72. Downward movement, so that the clamping rod 9 and the clamping ring 16 move downward and engage with the clamping groove 10 and the groove 4 respectively, and realize the downward movement of the clamping rod 9 and the clamping ring 16, so that the clamping rod 9 and the clamping The slot 10 and the snap ring 16 are connected to the slot 4 more stably. By setting the snap rod 9 and the snap slot 10, the teacher loosens the movable plate 8, so that the movable plate 8 moves downward under the action of the tension of the spring 72, so that the The clamping rod 9 moves downward and is clamped with the card slot 10, thereby realizing the relative fixation of the second panel 3 and the first panel 1, which is convenient for students to observe the teaching content on the first panel 1. The groove 4, the card The cross-sectional shapes of the rod 9 , the clamping groove 10 and the clamping ring 16 are all square, and the lengths of the telescopic rod 71 , the clamping rod 9 and the clamping ring 16 are matched.

The lower surface of the first panel 1 is provided with two supporting legs 11, the top ends of the two supporting legs 11 are respectively fixedly connected to the left and right ends of the lower surface of the first panel 1, and the two supporting legs 11 are inverted Y-shaped structures, and The bottom ends of the two support legs 11 are provided with pulleys 12, the number of pulleys 12 is four, and the brake pads 13 are arranged on the four pulleys 12. By setting the pulleys 12 and the brake pads 13, the teacher pushes the utility model to Appropriate position, so that the first panel 1 and the second panel 3 move, the teacher makes the pulley 12 fixed by the brake pad 13, thereby realizing the fixing of the pulley 12, thus realizing the fixing of the first panel 1 and the second panel 3. , to ensure the teacher's writing effect.

The operation steps of the present utility model are:

S1, the teacher pushes the utility model, the pulley 12 rolls to make the utility model to a suitable position, the teacher makes the pulley 12 fixed by the brake pad 13, the teacher can write on the surface of the two second panels 3, the teacher can also put the paper The teaching plan is placed on the front of the second panel 3, and then the magnetic block 15 is moved to separate the magnetic block 15 from the second panel 3, and then the magnetic block 15 is attached to the surface of the paper teaching plan. Under the action of the magnetic force of the panel 3, the paper lesson plan is fixed;

S2. When the two second panels 3 are completed, the teacher pulls the movable plate 8 upward, so that the movable belt 9 and the clasp 16 move upward, so that the clasp 16 and the groove 4, the clamping rod 9 and the clamping groove move upward. 10 is separated, the spring 72 and the telescopic rod 71 are extended, the second panel 3 is rotated through the handle 14, the second panel 3 is rotated 90 degrees under the action of the hinge 2, and the movable plate 8 is rotated, so that the movable plate 8 is on the rotating shaft 52. And the bearing 51 rotates, so that the clamping rod 9 rotates, when the clamping rod 9 rotates to 90 degrees, the teacher releases the movable plate 8, so that the movable plate 8 moves downward under the action of the tension of the spring 72, so that the clamping The rod 9 moves downwards and engages with the slot 10, the snap ring 16 moves downwards and engages with the slot 4, and then the second panel 3 is fixed. Course Contents;

S3, when it is necessary to carry, the teacher pulls the movable plate 8 upward, so that the movable belt moves upward with the clamping rod 9, so that the clamping rod 9 is separated from the clamping groove 10, the clamping ring 16 is separated from the groove 4, the spring 72 and the telescopic rod 71 Extend, rotate the second panel 3 through the handle 14, the second panel 3 rotates 90 degrees under the action of the hinge 2, the second panel 3 is folded and contacted with the first panel 1, and the movable panel 8 is rotated, so that the movable panel 8 is rotated under the action of the rotating shaft 52 and the bearing 51, so that the clamping rod 9 rotates. When the clamping rod 9 rotates to ninety degrees, the teacher releases the movable plate 8, so that the movable plate 8 moves downward under the action of the tension of the spring 72. , so that the clamping rod 9 and the clamping ring 16 move downward and are clamped with the clamping groove 10 and the groove 4 respectively, thereby realizing the retraction of the second panel 3, and then the teacher makes the pulley 12 move through the brake pad 13, and then push The utility model.

The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention In the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims (7)

1. A demonstration board for education comprising a first panel (1), characterized in that: the left side surface and the right side surface of the first panel (1) are respectively hinged with one surface far away from the two second panels (3) through two hinges (2), the back surfaces of the two second panels (3) are respectively lapped with the front surface of the first panel (1), the opposite surfaces of the two second panels (3) are lapped, clamping grooves (10) are formed in the upper surfaces of the two second panels (3), and two grooves (4) are formed in the upper surface of the first panel (1);

the lower surface joint of recess (4) inner wall has rotating device (5), the outer wall of rotating device (5) has cup jointed rubber circle (6), and the top fixedly connected with telescoping device (7) of rotating device (5), the top fixedly connected with fly leaf (8) of telescoping device (7), the lower fixed surface of fly leaf (8) is connected with kelly (9), kelly (9) joint is at the inner wall of draw-in groove (10).

2. An educational demonstration board according to claim 1, wherein: the upper surface of the second panel (3) is provided with a handle (14), and the outer wall of the handle (14) is provided with threads.

3. An educational demonstration board according to claim 1, wherein: the front face of the second panel (3) is provided with a plurality of magnetic blocks (15), and the magnetic blocks (15) are attached to the second panel (3).

4. An educational demonstration board according to claim 1, wherein: the cross sections of the groove (4), the clamping rod (9) and the clamping groove (10) are square or regular hexagon.

5. An educational demonstration board according to claim 1, wherein: rotating device (5) include bearing (51), bearing (51) joint is at the lower surface of recess (4) inner wall, and the inner wall of bearing (51) is fixed to be pegged graft and is had pivot (52), rubber ring (6) set up the upper surface at bearing (51), the outer wall of pivot (52) and the inner wall overlap joint of rubber ring (6), and the top of pivot (52) and the bottom fixed connection of telescoping device (7).

6. An educational demonstration board according to claim 5, wherein: the telescopic device (7) comprises a telescopic rod (71), a spring (72) is sleeved on the outer wall of the telescopic rod (71), and the top ends and the bottom ends of the spring (72) and the telescopic rod (71) are respectively fixedly connected with the lower surface of the movable plate (8) and the top end of the rotating device (5).

7. An educational demonstration board according to claim 1, wherein: the two ends of the lower surface of the first panel (1) are respectively provided with supporting legs (11) of an inverted Y-shaped structure, the bottom ends of the two supporting legs (11) are respectively provided with pulleys (12), the number of the pulleys (12) is four, and the pulleys (12) are respectively provided with brake pads (13).

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