CN217778193U

CN217778193U - Teaching of adjustable area is with smart blackboard

Info

Publication number: CN217778193U
Application number: CN202122354111.0U
Authority: CN
Inventors: 许多; 许阳珣; 陈倬昱
Original assignee: Shenzhen Weidoo High Tech Co ltd
Current assignee: Shenzhen Weidoo High Tech Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-11-11
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to a teaching equipment technical field just discloses an adjustable area's teaching is with smart blackboard, including smart blackboard body, smart blackboard body includes liquid crystal display blackboard and two ordinary blackboards, the equal fixedly connected with protection strip in the upper and lower both sides of smart blackboard body, the left and right sides of smart blackboard body all is provided with blackboard dilatation mechanism, blackboard dilatation mechanism includes double-sided blackboard. This smart blackboard is used in teaching of adjustable area, through the protection strip, double-sided blackboard, the connecting strip, the movable hole, the gag lever post, the rubber sleeve, the pull rod, the notch, spacing hole, the slot, the inserted block, mutually support between spacing through-hole and the pivot, thereby can rotate with blackboard dilatation mechanism, make double-sided blackboard and ordinary blackboard be located the tiling state, and then can improve the device's blackboard usable floor area, and through rotating double-sided blackboard, make the tow sides of double-sided blackboard all can use.

Description

Teaching of adjustable area is with smart blackboard

Technical Field

The utility model relates to a teaching equipment technical field specifically is an intelligent blackboard is used in teaching of adjustable area.

Background

The smart blackboard can be switched to the touch screen from the blackboard by one key, teaching contents can be presented in an interactive mode through the AR teaching software platform, boring teaching materials can be changed into interactive teaching courses with good interactivity and strong visual impact through rich interactive templates, interaction is carried out on the surface of the touch blackboard, and the smart blackboard is simple and humanized in interactive operation, organically connects people with the interactive teaching contents, and enables teachers and students to generate more classroom interaction. The rich man-machine interaction mode combines the sense organ in the audio-visual mode, and the teaching and learning process is not boring any more. More interactions between teachers and students can help students deepen the memory and study of knowledge.

But present smart blackboard size is all fixed, can not adjust its area, make the teacher write to smart blackboard, when the content is too much, when making the blackboard can not be totally with content record, then need to clean some before, when whole content is a whole, then can not clean content before, otherwise can influence the explanation of teaching content, and then need increase the area of blackboard, thereby can write more contents, therefore need to provide a teaching of adjustable area and use smart blackboard to solve above-mentioned problem that appears.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an intelligent blackboard is used in teaching of adjustable area, it is convenient for adjust the area of blackboard to possess, make the teacher can write on the blackboard many more contents, and need not clean content before, thereby be convenient for the student understand advantages such as, when having solved and having written on intelligent blackboard, when too much content, make the blackboard can not be completely with content when taking notes, then need clean partly before, when whole content is a whole, then can not clean content before, otherwise can influence teaching content's explanation, and then need increase the area of blackboard, thereby can write the problem of more contents.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an area-adjustable's teaching is with smart blackboard, includes smart blackboard body, smart blackboard body includes liquid crystal display blackboard and two ordinary blackboards, the equal fixedly connected with protecting strip in the upper and lower both sides of smart blackboard body, the left and right sides of smart blackboard body all is provided with blackboard dilatation mechanism, blackboard dilatation mechanism includes two-sided blackboard, the equal swing joint in the upper and lower both sides of two-sided blackboard has the connecting strip, the higher authority the movable hole has been seted up to the inside of protecting strip, the inside swing joint in movable hole has the gag lever post, the fixed rubber sleeve that has cup jointed of side surface of gag lever post, the top fixedly connected with pull rod of gag lever post, the higher authority the notch has been seted up at the top of protecting strip, the higher authority the connecting strip is close to one side of protecting strip and has seted up spacing hole, the higher authority the slot has been seted up in the front of protecting strip, the higher authority the front fixedly connected with inserted block of connecting strip, the inside of inserted block is seted up the spacing through-hole that has the effect to run through.

Preferably, two the relative one side of ordinary blackboard respectively with the both sides fixed connection of liquid crystal display blackboard, the side surface fixed connection of protection strip and liquid crystal display blackboard and ordinary blackboard, the connecting strip passes through the hinge and rotates with the protection strip to make blackboard expansion mechanism can rotate.

Preferably, the equal fixed connection pivot in upper and lower both sides of two-sided blackboard, the pivot is connected with the inside rotation of connecting strip to make two-sided blackboard rotate between two connecting strips, make the tow sides of two-sided blackboard all can use to write.

Preferably, two one side that double-sided blackboard was kept away from to the connecting strip all is provided with positioning mechanism, positioning mechanism includes the connecting plate, two locating levers of one side fixedly connected with that the connecting plate is close to the connecting strip, the through-hole that runs through from top to bottom is seted up to the inside of connecting strip, two locating holes have all been seted up to the upper and lower both sides of double-sided blackboard, the one end one side that the connecting plate was kept away from to the locating lever is pegged graft with the inside activity of through-hole and locating hole to can carry out spacing fixed to double-sided blackboard, prevent that it from taking place to rotate.

Preferably, one side fixedly connected with spring that the connecting plate is close to the locating lever, the one end that the connecting plate was kept away from to the spring and the side surface fixed connection of connecting strip, the spring cup joints with the locating lever activity, under the effect of spring, can fix positioning mechanism and connecting strip, and can prevent that positioning mechanism from taking place to remove, avoids the locating lever to remove from the inside of locating hole to improve the fixed effect between connecting strip and the two-sided blackboard.

Preferably, the right-hand member of gag lever post is pegged graft with the inside activity in spacing hole, the inside intercommunication in notch and activity hole, the inside swing joint of pull rod and notch, the inside intercommunication in slot and activity hole, the rubber sleeve is with the inside wall overlap joint in activity hole, and then can fix connecting strip and protecting strip, prevents that the connecting strip from taking place to rotate, and can drive the gag lever post through removing the pull rod and remove about the inside in activity hole.

Compared with the prior art, the utility model provides an intelligent blackboard is used in teaching of adjustable area possesses following beneficial effect:

1. this smart blackboard is used in teaching of adjustable area, through the protection strip, double-sided blackboard, the connecting strip, the movable hole, the gag lever post, the rubber sleeve, the pull rod, the notch, spacing hole, the slot, the inserted block, mutually support between spacing through-hole and the pivot, thereby can rotate with blackboard dilatation mechanism, make double-sided blackboard and ordinary blackboard be located the tiling state, and then can improve the device's blackboard usable floor area, and through rotating double-sided blackboard, make the tow sides of double-sided blackboard all can use.

2. This teaching of adjustable area is with nimble intelligent blackboard through the mutually supporting between connecting plate, locating lever, through-hole, locating hole and the spring for the one end that the connecting plate was kept away from to the locating lever is pegged graft with the inside activity of locating hole, thereby can fix two-sided blackboard between two upper and lower connecting plates, prevents that two-sided blackboard from taking place the rotation condition when using, and then can improve the result of use to two-sided blackboard.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the structure B in fig. 2 according to the present invention.

Wherein: 1. a liquid crystal display blackboard; 2. a common blackboard; 3. a protective strip; 4. a double-sided blackboard; 5. a connecting strip; 6. a movable hole; 7. a limiting rod; 8. a rubber sleeve; 9. a pull rod; 10. a notch; 11. a limiting hole; 12. a slot; 13. inserting a block; 14. a limiting through hole; 15. a rotating shaft; 16. a connecting plate; 17. positioning a rod; 18. a through hole; 19. positioning holes; 20. a spring.

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.

Referring to fig. 1-4, an intelligent blackboard with adjustable area for teaching comprises an intelligent blackboard body, the intelligent blackboard body comprises a liquid crystal display blackboard 1 and two common blackboards 2, the upper side and the lower side of the intelligent blackboard body are fixedly connected with protective strips 3, the left side and the right side of the intelligent blackboard body are respectively provided with a blackboard expansion mechanism, the blackboard expansion mechanism comprises a double-sided blackboard 4, the left side and the right side of the double-sided blackboard 4 can write by arranging the double-sided blackboard 4, so that the use area of the double-sided blackboard 4 can be increased, the upper side and the lower side of the double-sided blackboard 4 are respectively and movably connected with connecting strips 5, one sides of the two common blackboards 2 opposite to each other are respectively and fixedly connected with the two sides of the liquid crystal display blackboard 1, the side surfaces of the protective strips 3 are fixedly connected with the liquid crystal display blackboard 1 and the side surfaces of the common blackboards 2, and the connecting strips 5 are rotatably connected with the protective strips 3 through hinges, the protection strip 3 is internally provided with two movable holes 6, the two movable holes 6 are respectively communicated with the left side and the right side of the protection strip 3, the movable holes 6 are internally and movably connected with limiting rods 7, the side surface of each limiting rod 7 is fixedly sleeved with a rubber sleeve 8, the side surface of each limiting rod 7 is fixedly connected with two rubber sleeves 8, the two rubber sleeves 8 are respectively positioned at the left side and the right side of a pull rod 9, the tight effect between each limiting rod 7 and each movable hole 6 can be improved through the rubber sleeves 8, so that the limiting rods 7 cannot move in the movable holes 6 at will, the tops of the limiting rods 7 are fixedly connected with pull rods 9, the pull rods 9 are positioned at the top positions in the middle of the limiting rods 7, the tops of the protection strips 3 are provided with notches 10, one side of the upper connecting strips 5, which is close to the protection strips 3, is provided with limiting holes 11, and the positions of the movable holes 6 correspond to each other, the right end of the limiting rod 7 is movably inserted in the limiting hole 11, so that the connecting strip 5 can be prevented from rotating.

The notch 10 is communicated with the inside of the movable hole 6, the pull rod 9 is movably connected with the inside of the notch 10, the slot 12 is communicated with the inside of the movable hole 6, the rubber sleeve 8 is lapped with the inner side wall of the movable hole 6, so that the pull rod 9 can move in the notch 10 to drive the limiting rod 7 to move together, the front of the upper protective strip 3 is provided with two slots 12, the number of the slots 12 is two, the front of the upper connecting strip 5 is fixedly connected with the insert 13, the number of the insert 13 is two, after the connecting strip 5 is rotated, the connecting strip 5 is lapped with the front of the protective strip 3, so that the insert 13 is positioned in the slot 12, the inside of the insert 13 is provided with the limiting through hole 14 which is penetrated, the limiting rod 7 is mutually matched with the inside of the limiting through hole 14, the upper side and the lower side of the double-sided blackboard 4 are fixedly connected with the rotating shaft 15, and the rotating shaft 15 is rotatably connected with the inside of the connecting strip 5, so that the double-sided blackboard 4 can rotate between the upper and lower two connecting strips 5, one side of each of the two connecting strips 5, which is far away from the double-sided blackboard 4, is provided with a positioning mechanism, the number of the positioning mechanisms is four, the double-sided blackboard 4 and the connecting strips 5 can be fixed through the positioning mechanisms, the double-sided blackboard 4 is prevented from rotating, each positioning mechanism comprises a connecting plate 16, one side of the connecting plate 16, which is close to the connecting strips 5, is fixedly connected with two positioning rods 17, through holes 18 which penetrate up and down are formed in the connecting strips 5, the number of the through holes 18 is the same as that of the positioning rods 17, the upper and lower sides of the double-sided blackboard 4 are respectively provided with two positioning holes 19, the number of the positioning holes 19 is the same as that of the through holes 18 and are communicated with each other, one side of one end, which is far away from the connecting plate 16, of the positioning rods 17 is movably inserted into the through holes 18 and the positioning holes 19, so that the double-sided blackboard 4 can be positioned, prevent that it from taking place to rotate, one side fixedly connected with spring 20 that connecting plate 16 is close to locating lever 17, spring 20's plastics are the same with locating lever 17's quantity, spring 20 keeps away from connecting plate 16's one end and the side surface fixed connection of connecting strip 5, and spring 20 cup joints with locating lever 17 activity, under spring 20's effect, can improve the fixed effect of being connected between locating lever 17 and the locating hole 19, prevents that locating lever 17 from coming out from the inside removal of locating hole 19.

When the double-sided blackboard folding device is used, when the double-sided blackboard 4 needs to be used, the upper connecting plate 16 can be pulled upwards, the lower connecting plate 16 is pulled downwards, the spring 20 is extended, the positioning rod 17 is driven to move inside the through hole 18, one end, far away from the connecting plate 16, of the positioning rod 17 can be moved out of the positioning hole 19 and is located inside the through hole 18, the double-sided blackboard 4 can be rotated, the double-sided blackboard 4 can be used positively and negatively, when the blackboard expansion mechanism needs to be folded, the pull rod 9 can be moved towards the direction of the liquid crystal display blackboard 1, the limit rod 7 can be driven to move inside the movable hole 6, one end, close to the limit hole 11, of the limit rod 7 can be moved out of the inside of the limit hole 11, the connecting strip 5 can be rotated, the blackboard expansion mechanism can be rotated, the front lapping of the double-sided blackboard 4 and the common blackboard 2 can be enabled, the insert block 13 is located inside the slot 12, the pull rod 9 can be continuously moved towards the direction of the liquid crystal display blackboard 1, the limit rod 7 can be driven to move continuously, the inserting mechanism can be fixed inside the through hole 12, and the inserting block 12 can be prevented from rotating.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent blackboard is used in teaching of adjustable area, includes intelligent blackboard body, its characterized in that: the utility model discloses a blackboard, including spirit blackboard body, spirit blackboard body includes liquid crystal display blackboard (1) and two ordinary blackboards (2), the equal fixedly connected with protecting strip (3) in upper and lower both sides of spirit blackboard body, the left and right sides of spirit blackboard body all is provided with blackboard dilatation mechanism, blackboard dilatation mechanism includes two-sided blackboard (4), the equal swing joint in upper and lower both sides of two-sided blackboard (4) has connecting strip (5), the higher authority the movable hole (6) has been seted up to the inside of protecting strip (3), the inside swing joint of movable hole (6) has gag lever post (7), the fixed cover in side surface of gag lever post (7) has been connect rubber sleeve (8), the top fixedly connected with pull rod (9) of gag lever post (7), the higher authority notch (10) have been seted up at the top of protecting strip (3), the higher authority spacing hole (11) have been seted up near one side of protecting strip (3) to connecting strip (5), the higher authority slot (12) have been seted up in the front of protecting strip (3), the higher authority the front fixedly connected with inserted block (13) the through-hole (14) that runs through-effect are seted up.

2. The intelligent blackboard with adjustable area for teaching of claim 1, wherein: two one side that ordinary blackboard (2) is relative respectively with the both sides fixed connection of liquid crystal display blackboard (1), the side surface fixed connection of protection strip (3) and liquid crystal display blackboard (1) and ordinary blackboard (2), connecting strip (5) are connected through hinge and protection strip (3) rotation.

3. The intelligent blackboard with adjustable area for teaching of claim 1, wherein: the upper side and the lower side of the double-sided blackboard (4) are fixedly connected with rotating shafts (15), and the rotating shafts (15) are rotatably connected with the inner parts of the connecting strips (5).

4. The intelligent blackboard with adjustable area for teaching of claim 1, wherein: two one side that two-sided blackboard (4) was kept away from in connecting strip (5) all is provided with positioning mechanism, positioning mechanism includes connecting plate (16), two locating levers (17) of one side fixedly connected with that connecting strip (5) are close to in connecting plate (16), through-hole (18) that run through from top to bottom are seted up to the inside of connecting strip (5), two locating holes (19) have all been seted up to the upper and lower both sides of two-sided blackboard (4), one end one side that connecting plate (16) was kept away from in locating lever (17) is pegged graft with the inside activity of through-hole (18) and locating hole (19).

5. The intelligent blackboard with adjustable area for teaching of claim 4, wherein: one side fixedly connected with spring (20) that connecting plate (16) is close to locating lever (17), the one end that connecting plate (16) were kept away from in spring (20) is with the side surface fixed connection of connecting strip (5), spring (20) and locating lever (17) activity cup joint.

6. The intelligent blackboard with adjustable area for teaching of claim 1, wherein: the right-hand member of gag lever post (7) is pegged graft with the inside activity of spacing hole (11), notch (10) and the inside intercommunication in activity hole (6), the inside swing joint of pull rod (9) and notch (10), slot (12) and the inside intercommunication in activity hole (6), rubber sleeve (8) and the inside wall overlap joint in activity hole (6).