CN217982786U

CN217982786U - Adjustable demonstration board

Info

Publication number: CN217982786U
Application number: CN202222260070.3U
Authority: CN
Inventors: 刘慧金
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-06
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses an adjustable demonstration board, which belongs to the technical field of demonstration boards, and comprises a bottom board, a protective cover and a supporting box, wherein two fixed rods are fixedly connected with the top of the bottom board, a first propaganda board is movably connected between the two fixed rods through a movable joint, a movable groove is arranged in the first propaganda board, and two second propaganda boards are slidably connected in the movable groove; the propaganda board has the advantages that by the aid of the first motor, when people need to adjust the using area of the propaganda board, the first motor is controlled to operate through the external controller, the first rotating shaft is made to rotate, the first threaded rod is made to rotate through the first bevel gear and the second bevel gear, the first threaded rod is driven to move inside the movable groove, the second propaganda board is made to be removed from the inside of the movable groove, the displaying area can be increased when the propaganda board is used, and therefore people can conveniently display more contents.

Description

Adjustable demonstration board

Technical Field

The utility model relates to a demonstration board technical field, more specifically say, it relates to an adjustable demonstration board.

Background

With the rise of the scientific and technical level and the development of education and teaching modes, the functions of the platform are not limited to the places where teachers stand on the high platform for teaching, more importantly, the platform is provided with various teaching tools, so that the teachers can conveniently transmit knowledge or abstract knowledge to students in class in a more easily understood and intuitive mode.

As the publicity board for thinking political affairs study with adjustable supporting height disclosed in Chinese patent literature, the publication number is: CN215118238U, published: 20211210, although it solves the problem that the height of the publicity board can not be adjusted well according to the needs when the publicity board is used, and the flexibility, adjustability and practicability are general, the publicity board of the device is fixed, but when people need to show more contents, the publicity board can not be enlarged, and the use is inconvenient, and it is not convenient for people to adjust the angle of the publicity board, and it is also convenient for people to move the device, therefore, an adjustable demonstration board is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art exists, the utility model aims to provide an adjustable demonstration board, its utensil can enlarge publicity board usable floor area to and be convenient for people adjust the angle of publicity board, the people of being convenient for carry out the characteristics that remove to the device.

(2) Technical scheme

In order to realize the above-mentioned purpose, the utility model provides a demonstration board with adjustable, including bottom plate, protection casing and support box, two dead levers of bottom plate top fixedly connected with, two there is first publicity board through freely movable joint swing joint between the dead lever, the activity groove has been seted up to first publicity board inside, activity inslot portion sliding connection has two second publicity boards, the first motor of activity inslot portion bottom fixedly connected with, the first pivot of first motor output end fixed connection, first pivot fixed surface is connected with first bevel gear, two fixed blocks of activity inslot portion side fixedly connected with, the second pivot is worn to be equipped with through the bearing rotation in the fixed block inside, second pivot both ends are fixedly connected with second bevel gear and first threaded rod respectively, first bevel gear and second bevel gear intermeshing, the first threaded barrel of the inside fixedly connected with of second publicity board, first one end threaded rod threaded connection is in first threaded barrel.

When using this technical scheme's a demonstration board with adjustable, through setting up first motor, people pass through the operation of the first motor of external control ware control, make first pivot rotatory, through first bevel gear and second bevel gear, make first threaded rod rotatory, drive first screw thread section of thick bamboo and second publicity board and remove at the activity inslot portion, make the second publicity board remove from the activity inslot portion, when using, can increase show area to be convenient for people show more contents.

Further, the clamping groove has all been seted up to first publicity board top and bottom, protection casing side fixedly connected with rubber band.

Furthermore, the inside sliding connection of bottom plate has the drawer, bottom plate top has first electric putter through round pin axle swing joint, first electric putter top is through round pin axle swing joint in first publicity board side.

Furthermore, a moving groove and a transmission groove are formed in the supporting box, a second electric push rod is fixedly connected to the top end of the inside of the moving groove, and wheels are fixedly connected to the bottom end of the second electric push rod.

Further, two fixed barrels of support box top fixedly connected with, transmission inslot portion bottom fixedly connected with second motor and battery, second motor output end fixedly connected with first gear, transmission inslot portion bottom is rotated through the bearing and is connected with two third pivots, third pivot fixed surface is connected with the second gear, first gear and second gear intermeshing.

Furthermore, a second threaded cylinder is slidably connected inside the fixed cylinder, a second threaded rod is fixedly connected to the top end of the third rotating shaft, and the top end of the second threaded rod is in threaded connection with the inside of the second threaded cylinder.

(3) Advantageous effects

To sum up, the utility model discloses following beneficial effect has:

1. according to the adjustable demonstration board, by arranging the first motor, when people need to adjust the use area of the propaganda board, the first motor is controlled to operate through the external controller, the first rotating shaft is made to rotate, the first threaded rod is made to rotate through the first bevel gear and the second bevel gear, the first threaded cylinder and the second propaganda board are driven to move in the movable groove, the second propaganda board is removed from the movable groove, and the display area can be increased when the adjustable demonstration board is used, so that people can conveniently display more contents;

2. according to the adjustable demonstration board, the protective cover and the first electric push rod are arranged, so that under the action of the protective cover, when the device is not used, the protective effect can be achieved on the device, and meanwhile, under the action of the first electric push rod, people can conveniently adjust the angle of the first propaganda board;

3. this demonstration board with adjustable through setting up second electric putter and wheel, is convenient for people and removes and support the device.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view of a section of the movable trough of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the structure of the section of the middle moving groove of the present invention

Fig. 6 is a schematic structural view of a section of the middle transmission groove of the present invention.

The symbols in the drawings are:

1. a base plate; 2. fixing the rod; 3. a movable joint; 4. a first publicity board; 5. a movable groove; 6. a first motor; 7. a first rotating shaft; 8. a first bevel gear; 9. a fixed block; 10. a second rotating shaft; 11. a second bevel gear; 12. a first threaded rod; 13. a first threaded barrel; 14. a second publicity board; 15. a card slot; 16. a protective cover; 17. a rubber band; 18. a drawer; 19. a first electric push rod; 20. a support box; 21. a moving groove; 22. a transmission groove; 23. a second electric push rod; 24. a wheel; 25. a fixed cylinder; 26. a second motor; 27. a first gear; 28. a third rotating shaft; 29. a second gear; 30. a second threaded rod; 31. a second threaded barrel; 32. a battery.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following description is made for the technical solution of the present invention in the embodiments to explain the present invention clearly and completely, obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1 to 6.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a demonstration board with adjustable, comprising a base plate 1, protection casing 16 and support box 20, two dead levers 2 of 1 top fixedly connected with of bottom plate, there is first publicity board 4 through 3 swing joint between two dead levers 2, activity groove 5 has been seted up to first publicity board 4 inside, the inside sliding connection of activity groove 5 has two second publicity boards 14, the first motor 6 of the inside bottom fixedly connected with of activity groove 5, first motor 6 output end fixed connection

first pivot

7, 7 fixed surface of first pivot are connected with first bevel gear 8, two fixed block 9 of the inside side fixedly connected with of activity groove 5, second pivot 10 is worn to be equipped with through the bearing rotation to fixed block 9 inside, 10 both ends of second pivot are fixedly connected with second bevel gear 11 and first threaded rod 12 respectively, first bevel gear 8 and second bevel gear 11 intermeshing, 14 inside fixedly connected with first threaded barrel 13 of second publicity board, 12 one end threaded connection of first threaded barrel 13.

Through adopting the above technical scheme, through setting up first motor 6, when people need adjust the usable floor area of publicity board, through the operation of external control ware control first motor 6, make first pivot 7 rotatory, through first bevel gear 8 and second bevel gear 11, make first threaded rod 12 rotatory, drive first threaded cylinder 13 and second publicity board 14 and move in activity groove 5 is inside, make second publicity board 14 remove from activity groove 5 is inside, when using, can increase the show area, thereby be convenient for people to show more contents.

Specifically, the top and the bottom of the first publicity board 4 are provided with a clamping groove 15, and the side surface of the protection cover 16 is fixedly connected with a rubber band 17.

Specifically, the inside sliding connection of bottom plate 1 has drawer 18, and there is first electric putter 19 at bottom plate 1 top through round pin axle swing joint, and first electric putter 19 top is through round pin axle swing joint 4 sides at first publicity board.

Through adopting above-mentioned technical scheme, through setting up protection casing 16 and first electric putter 19, under the effect of protection casing 16, the device can play the safeguard effect to the device when not using, and simultaneously under the effect of first electric putter 19, the people of being convenient for adjust the angle of first publicity board 4.

Specifically, a moving groove 21 and a transmission groove 22 are formed in the supporting box 20, a second electric push rod 23 is fixedly connected to the top end of the moving groove 21, and a wheel 24 is fixedly connected to the bottom end of the second electric push rod 23.

Specifically, two fixed cylinders 25 are fixedly connected to the top of the support box 20, a second motor 26 and a battery 32 are fixedly connected to the bottom end inside the transmission groove 22, a first gear 27 is fixedly connected to the output end of the second motor 26, two third rotating shafts 28 are rotatably connected to the bottom end inside the transmission groove 22 through bearings, a second gear 29 is fixedly connected to the surface of each third rotating shaft 28, and the first gear 27 is meshed with the second gear 29.

Specifically, the fixed cylinder 25 is slidably connected with a second threaded cylinder 31, the top end of the third rotating shaft 28 is fixedly connected with a second threaded rod 30, and the top end of the second threaded rod 30 is in threaded connection with the second threaded cylinder 31.

Through adopting above-mentioned technical scheme, through setting up second electric putter 23 and wheel 24, the people of being convenient for remove and support the device, and under the effect of second motor 26, the people of being convenient for are adjusted the height of publicity board simultaneously.

The utility model discloses a theory of operation does:

when in use, after people move the device to a proper position, the second electric push rod 23 is controlled by an external controller to operate, the wheels 24 move in the moving groove 21, the bottom of the supporting box 20 contacts the ground to support the device, then the protective cover 16 is taken down from the surface of the first publicity board 4, and people can start to use the device;

when people need to enlarge the use area of the publicity board, the first motor 6 is controlled to operate by the external controller, the first rotating shaft 7 is made to rotate, the first threaded rod 12 is made to rotate through the first bevel gear 8 and the second bevel gear 11, the first threaded cylinder 13 and the second publicity board 14 are driven to move inside the movable groove 5, the second publicity board 14 is removed from the inside of the movable groove 5, in use, the display area can be increased, people can conveniently display more contents, then people control the second motor 26 to operate through the external controller, the first gear 27 is driven to rotate, the second threaded cylinder 30 is driven to rotate through the second gear 29, the second threaded cylinder 31 is driven to move inside the fixed cylinder 25, people can conveniently adjust the height of the first publicity board 4, then people control the first electric push rod 19 to operate through the controller, and people can adjust the angle of the first publicity board 4.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a demonstration board with adjustable, includes bottom plate (1), protection casing (16) and support box (20), its characterized in that: the improved advertising board is characterized in that two fixing rods (2) are fixedly connected to the top of the base plate (1), two first publicity boards (4) are movably connected between the fixing rods (2) through movable joints (3), movable grooves (5) are formed in the first publicity boards (4), two second publicity boards (14) are slidably connected to the inner portions of the movable grooves (5), first motors (6) are fixedly connected to the inner bottom ends of the movable grooves (5), first rotating shafts (7) are fixedly connected to the output ends of the first motors (6), first bevel gears (8) are fixedly connected to the surfaces of the first rotating shafts (7), two fixing blocks (9) are fixedly connected to the inner side faces of the movable grooves (5), second rotating shafts (10) are arranged in the fixing blocks (9) in a penetrating mode through bearings in a rotating mode, two ends of the second rotating shafts (10) are fixedly connected with gears (11) and first threaded rods (12) respectively, the first bevel gears (8) and the second bevel gears (11) are meshed with each other, first threaded cylinders (13) are fixedly connected to the inner portions of the second publicity boards (14), and one ends of the first threaded rods (12) are connected in the first threaded cylinders (13).

2. The adjustable demonstration board according to claim 1, wherein: draw-in groove (15) have all been seted up to first publicity board (4) top and bottom, protection casing (16) side fixedly connected with rubber band (17).

3. The adjustable demonstration board according to claim 1, wherein: the novel advertising board is characterized in that a drawer (18) is connected to the inner portion of the bottom plate (1) in a sliding mode, a first electric push rod (19) is connected to the top of the bottom plate (1) through a pin shaft in a movable mode, and the top end of the first electric push rod (19) is connected to the side face of the first advertising board (4) through a pin shaft in a movable mode.

4. The adjustable demonstration board according to claim 1, wherein: support box (20) inside and seted up shifting chute (21) and transmission groove (22), the inside top fixedly connected with second electric putter (23) in shifting chute (21), second electric putter (23) bottom fixedly connected with wheel (24).

5. The adjustable demonstration board according to claim 4, wherein: support two solid fixed cylinder (25) of box (20) top fixedly connected with, inside bottom fixedly connected with second motor (26) and battery (32) of transmission groove (22), second motor (26) output end fixedly connected with first gear (27), the inside bottom of transmission groove (22) is rotated through the bearing and is connected with two third pivots (28), third pivot (28) fixed surface is connected with second gear (29), first gear (27) and second gear (29) intermeshing.

6. The adjustable demonstration board according to claim 5, wherein: the inside sliding connection of a fixed section of thick bamboo (25) has a second screw section of thick bamboo (31), third pivot (28) top fixedly connected with second threaded rod (30), second threaded rod (30) top threaded connection is in second screw section of thick bamboo (31).