CN209928694U

CN209928694U - Demonstration board for education

Info

Publication number: CN209928694U
Application number: CN201920079792.4U
Authority: CN
Inventors: 蒋小敏
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2020-01-10
Anticipated expiration: 2029-01-17

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

Demonstration board for education

Technical Field

The utility model relates to an education instrument technical field specifically is a demonstration board for education.

Background

Education is a social science that studies educational phenomena, educational problems, and their laws. It is widely present in human life. The general rule of education is revealed through the research on educational phenomena and educational problems.

The demonstration board of traditional usefulness of giving lessons is bulky, and is difficult for the transport, can not remove according to actual conditions, and the time that education was written at the in-process of giving lessons has occupied the time of a large amount of classes, will influence the progress of giving lessons like this, and the writing of overlength time can bring the discomfort for mr's health moreover, if on the demonstration board with courseware content direct write in, can be wiped out carelessly, still write again, extravagant time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough of prior art, the utility model provides a demonstration board is used to education, it is too big to have solved the demonstration board volume that traditional teaching was used, difficult transport, and simultaneously, the time that education was write at the in-process of giving lessons has occupied the time of a large amount of lessons, will influence the progress of giving lessons like this, and the writing of overlength time can bring the discomfort for mr's health, if on directly writing into the demonstration board with courseware content, can be cleaned by carelessness, still need write again, the problem of wasted time.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a demonstration board for education, includes first panel, the left and right sides face of first panel all is articulated with the one side that two second panels kept away from respectively through two hinges, 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.

The lower surface joint of recess inner wall has rotating device, rotating device's outer wall has cup jointed the rubber circle, and rotating device's top fixedly connected with telescoping device, the top fixedly connected with fly leaf of telescoping device, the lower surface fixedly connected with kelly of fly leaf, the kelly joint is at the inner wall of draw-in groove.

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, the front surface of the second panel is provided with a plurality of magnetic blocks, and the magnetic blocks are attached to the second panel.

Preferably, the shapes of the groove, the clamping rod and the clamping groove are all square or regular hexagon.

Preferably, rotating device includes the bearing, the bearing joint is at the lower surface of recess inner wall, and the inner wall of bearing has cup jointed the pivot, the outer wall of pivot and the inner wall overlap joint of rubber circle, and the top of pivot and telescoping device's bottom fixed connection, the rubber circle sets up the upper surface at the bearing.

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

Preferably, the both ends of the lower surface of first panel are provided with the supporting leg of falling Y-shaped structure respectively, and the bottom of two supporting legs all is provided with the pulley, the quantity of pulley is four, four all be provided with the brake block on the pulley.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. the demonstration board for education comprises a rotating shaft, a bearing, a telescopic rod, a spring, a movable plate, a clamping rod, a clamping groove, a first panel and a second panel, wherein a teacher upwards pulls the movable plate to enable the movable clamping rod to upwards move, so that the clamping rod is separated from the clamping groove, the spring and the telescopic rod extend, the second panel is rotated through a handle, the second panel rotates ninety degrees under the action of a hinge, the movable plate is rotated, the movable plate rotates under the action of the rotating shaft and the bearing, the clamping rod rotates, when the clamping rod rotates to ninety degrees, the teacher loosens the movable plate to enable the movable plate to downwards move under the action of the spring tension, so that the clamping rod downwards moves and is clamped with the clamping groove, then a learner can directly observe teaching contents written on the first panel in advance, and direct display of the teaching contents written on the first panel is realized, the time of having avoided writing at the in-process of giving lessons has taken up the time of a large amount of classes, and when not showing first panel is located the back of two second panels, is difficult for wiping, has made things convenient for mr's lecture.

2. This demonstration board for education, through setting up pulley and brake block, the mr is through promoting the utility model discloses to suitable position for first panel and second panel motion, the mr makes the pulley fixed through the brake block, thereby has realized the fixed to the pulley, thereby has realized having ensured mr's writing effect to the fixing of first panel and second panel.

3. This demonstration board for education is through setting up the rubber circle to increased the frictional force between pivot and the rubber circle, makeed the rotation of pivot more steady, avoided the random rotation of fly leaf, thereby ensured the joint effect of kelly and draw-in groove.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic sectional structure view of the first panel viewed from the left of the present invention;

fig. 3 is a schematic top view of the present invention;

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

In the figure: the device comprises a first panel 1, a hinge 2, a second panel 3, a groove 4, a rotating device 5, a bearing 51, a rotating shaft 52, a rubber ring 6, a telescopic device 7, a telescopic rod 71, a spring 72, a movable plate 8, a clamping rod 9, a clamping groove 10, supporting legs 11, pulleys 12, a brake pad 13, a handle 14, a magnetic block 15 and a clamping ring 16.

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.

As shown in fig. 1-4, the utility model provides a technical solution: a demonstration board for education comprises a first panel 1, wherein the left side surface and the right side surface of the first panel 1 are respectively hinged with the surfaces far away from two second panels 3 through two hinges 2, relative rotation between the first panel 1 and the second panels 3 is realized through the arrangement of the hinges 2, so that the folding and the unfolding of the second panels 3 are facilitated, the carrying of the demonstration board is facilitated, the back surfaces of the two second panels 3 are respectively overlapped with the front surface of the first panel 1, the opposite surfaces of the two second panels 3 are overlapped, the upper surfaces of the two second panels 3 are respectively provided with a clamping groove 10, the upper surface of the second panel 3 is provided with a handle 14, the outer wall of the handle 14 is provided with anti-skidding threads, the pulling of the second panel 3 is facilitated through the arrangement of the handle 14, and the outer wall of the handle 14 is provided with the anti-skidding threads, so that the friction force between the handle 14 and a palm is increased, thereby it is more convenient to make the teacher pass through second handle 14 pulling second panel 3, the front of second panel 3 is provided with a plurality of magnetic path 15, 15 other magnetic adsorption of magnetic path acts on and the laminating of second panel 3, through setting up magnetic path 15, the teacher can place the teaching plan of paper in the front of second panel 3, then take magnetic path 15, make magnetic path 15 and the separation of second panel 3, then laminate magnetic path 15 on the surface of paper teaching plan, it is fixed to make the paper teaching plan under the effect of magnetic path 15 and the 3 magnetic force of second panel, thereby made things convenient for the fixed to the paper teaching plan, two recesses 4 have been seted up to the upper surface of first panel 1.

The lower surface of the inner wall of the groove 4 is clamped with a rotating device 5, the outer wall of the rotating device 5 is sleeved with a rubber ring 6, the rotating device 5 comprises a bearing 51, the bearing 51 is fixedly clamped on the lower surface of the inner wall of the groove 4, the inner wall of the bearing 51 is inserted with a rotating shaft 52, the rotation of the clamping rod 9 driven by the movable plate 8 is realized by arranging the rotating shaft 52 and the bearing 51, so that the clamping connection of the second panel 3 positioned in different directions is facilitated, the lower end surface of the rotating shaft 52 is fixedly connected with the inner wall of the bearing 51, the upper end of the rotating shaft extends to the upper part of the bearing 51, the upper surface of the bearing 51 is fixedly connected with the rubber ring 6, the outer wall of the rotating shaft 52 is lapped with the inner wall of the rubber ring 6, the rotation of the rotating shaft 52 is more stable by arranging the rubber ring 6 through the friction force between the rotating shaft 52 and the rubber ring 6, the top end of the rotating device 5 is fixedly connected with a telescopic device 7, the top end of the rotating shaft 52 is fixedly connected with the bottom end of the telescopic device 7, the top end of the telescopic device 7 is fixedly connected with a movable plate 8, the telescopic device 7 comprises a telescopic rod 71, the lifting of the movable plate 8 is more stable by arranging the telescopic rod 71, 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 end of the snap ring 16 is fixedly connected with the lower surface of the movable plate 8, the inner wall of the snap ring 16 is not contacted with the outer wall of the spring 72, 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 shaft 52, the lower surface of the movable plate 8 far away from the telescopic device 7 is fixedly connected with a clamping, the teacher loosens the movable plate 8, make the movable plate 8 move downwards under the effect of spring 72 pulling force, thereby make kelly 9 and snap ring 16 move downwards and respectively with draw-in groove 10 and recess 4 joint, realized the downstream of kelly 9 and snap ring 16, make kelly 9 and draw-in groove 10 and snap ring 16 and recess 4's joint more stable, through setting up kelly 9 and draw-in groove 10, the teacher loosens the movable plate 8, make the movable plate 8 move downwards under the effect of spring 72 pulling force, thereby make kelly 9 move downwards and with draw-in groove 10 joint, thereby realized the relative fixation of second panel 3 with first panel 1, made things convenient for the student to observe the content of giving lessons on first panel 1, the cross sectional shape of recess 4, kelly 9, draw-in groove 10 and snap ring 16 is the square, telescopic link 71, the length phase-match of kelly 9 and snap ring 16.

The lower surface of first panel 1 is provided with two supporting legs 11, the top of two supporting legs 11 respectively with the left and right sides fixed connection of the lower surface of first panel 1, two supporting legs 11 are the structure of falling Y-shaped, and the bottom of two supporting legs 11 all is provided with pulley 12, the quantity of pulley 12 is four, all be provided with brake block 13 on four pulley 12, through setting up pulley 12 and brake block 13, the mr is through promoting the utility model discloses to suitable position for first panel 1 and second panel 3 move, the mr makes pulley 12 fixed through brake block 13 to realized fixed to pulley 12, thereby realized fixed to first panel 1 and second panel 3, ensured mr's writing effect.

The utility model discloses an operating procedure does:

s1, a teacher pushes the utility model, the pulley 12 rolls to a proper position, the teacher fixes the pulley 12 through the brake block 13, the teacher can write on the surfaces of the two second panels 3, the teacher can also place the paper teaching plan on the front of the second panel 3, then takes the magnetic block 15 to separate the magnetic block 15 from the second panel 3, then attaches the magnetic block 15 to the surface of the paper teaching plan, and fixes the paper teaching plan under the action of the magnetic force of the magnetic block 15 and the second panel 3;

s2, when the two second panels 3 are completed, the teacher pulls the movable plate 8 upwards, so that the movable plate carries the latch bar 9 and the latch ring 16 upwards, so that the snap ring 16 is separated from the groove 4, the clamping rod 9 is separated from the clamping groove 10, the spring 72 and the telescopic rod 71 are extended, by turning the second panel 3 by means of the handle 14, the second panel 3 is turned ninety degrees by the hinge 2, turning the flap 8, so that the movable plate 8 is rotated by the rotation shaft 52 and the bearing 51, the jamming rod 9 is rotated, when the catch lever 9 is rotated to ninety degrees, the teacher releases the movable plate 8, so that the movable plate 8 is moved downward by the tensile force of the spring 72, so that the clamping rod 9 moves downwards and is clamped with the clamping groove 10, the clamping ring 16 moves downwards and is clamped with the groove 4, and the second panel 3 is further fixed, then the learner can directly observe the teaching contents written in advance on the first panel 1;

s3, when carrying is needed, the teacher pulls the movable plate 8 upwards to enable the movable plate to drive the clamping rod 9 to move upwards, 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 are extended, the handle 14 is used for rotating the second panel 3, the second panel 3 rotates ninety degrees under the action of the hinge 2, the second panel 3 is folded and contacted with the first panel 1, the movable plate 8 is rotated, so that the movable plate 8 rotates under the action of the rotating shaft 52 and the bearing 51, the clamping rod 9 rotates, when the clamping rod 9 rotates to ninety degrees, the teacher loosens the movable plate 8, the movable plate 8 moves downwards under the action of the pulling force of the spring 72, the clamping rod 9 and the clamping ring 16 move downwards and are respectively clamped with the clamping groove 10 and the groove 4, the folding and unfolding of the second panel 3 are realized, and then the teacher enables the pulley 12 to move through the brake pad 13, then the utility model is pushed.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

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).