CN109812668B

CN109812668B - Online interactive whiteboard

Info

Publication number: CN109812668B
Application number: CN201811643937.5A
Authority: CN
Inventors: 杨文化
Original assignee: Guangdong Beyond Cloud Education Technology Co ltd
Current assignee: Guangdong Beyond Cloud Education Technology Co ltd
Priority date: 2018-12-30
Filing date: 2018-12-30
Publication date: 2020-07-07
Anticipated expiration: 2038-12-30
Also published as: CN109812668A

Abstract

The invention discloses an online interactive electronic whiteboard, which comprises a cabinet type rack, wherein the electronic whiteboard is embedded in the front of the cabinet type rack, a hollow cavity is arranged inside the cabinet type rack, a placing door is arranged on the side surface of the hollow cavity, an annular chute of the hollow cavity is arranged beside the annular chute, a T-shaped chute is arranged beside the annular chute, a crawler belt is connected in the annular chute in a sliding manner, gear belts are arranged on the inner side and the outer side of the crawler belt, the crawler belt is connected with the annular chute in a sliding manner, a T-shaped sliding block is connected in the T-shaped chute in a sliding manner, a supporting rod is fixed on the T-shaped chute, a meshing tooth is rotatably connected to the side surface of the supporting rod, and an; the auxiliary plate is provided with a gear strip, the meshing teeth are meshed with the gear belt and the gear strip, the supporting rod is fixedly provided with a supporting plate, the front side of the cabinet type frame close to the bottom is provided with an adjusting hole, an adjusting gear is arranged in the adjusting hole and is meshed with the gear belt, and the fixed shaft penetrates through the adjusting gear and is fixed in the adjusting hole.

Description

Online interactive whiteboard

Technical Field

The invention discloses an online interactive electronic whiteboard, and belongs to the technical field of electronic whiteboards.

Background

The use of projector must need the cooperation of whiteboard can realize online interactive function, current whiteboard all uses separately with the projector, the person of saying stands and can shelter from the picture influence explanation of projector projection before whiteboard during the use, the projector all is fixed usually can't adjust and the electric character distance between the whiteboard leads to sometimes can't be with the whole projections of projection content on whiteboard, current whiteboard all is fixed can't remove and can't adjust the application range that height had restricted whiteboard.

An online interactive electronic whiteboard is researched, which can play a role in preventing projection contents of a projector from being shielded, and can play a role in adjusting a projection distance between the projector and the electronic whiteboard, so that the practicability and flexibility of the electronic whiteboard are guaranteed.

Disclosure of Invention

The present invention is directed to an online interactive electronic whiteboard, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an online interactive whiteboard includes cabinet type frame, the front of cabinet type frame is inlayed and is had whiteboard, the inside of cabinet type frame is provided with well plenum chamber, well plenum chamber's side is provided with places the door, well plenum chamber's annular spout, the annular spout is other to be opened and is equipped with "T" type spout, sliding connection has the track in the annular spout, the inboard and the outside of track all are provided with the toothed belt, the lower terminal surface of track is fixed with a plurality of branches, it has the ball to link in the activity on the branch, the ball joint is in annular spout, "T" type spout sliding connection has "T" type slider in, "be fixed with the bracing piece on the T" type spout, the side that the bracing piece is close to the bottom rotates and is connected with the meshing tooth, one. The auxiliary plate is provided with a gear strip, the meshing teeth are meshed with the gear belt and the gear strip, the supporting rod is fixedly provided with a supporting plate, the front side of the cabinet type frame close to the bottom is provided with an adjusting hole, an adjusting gear is arranged in the adjusting hole and meshed with the gear belt, the fixed shaft penetrates through the adjusting gear and is fixed in the adjusting hole, and the supporting leg is arranged below the cabinet type frame.

Preferably, the central point of backup pad puts the department and has seted up the standing groove, and the flexible groove has been seted up to the both sides of standing groove, and the flexible inslot is provided with the expansion plate, and the expansion plate passes through telescopic link and flexible tank bottom fixed connection, is provided with the centre gripping spring on the telescopic link, is fixed with the handle on the expansion plate.

Preferably, the supporting leg comprises a first supporting leg and a second supporting leg, the first supporting leg comprises a first connecting leg and a second connecting leg, and the first connecting leg and the second connecting leg are fixedly connected through a concave connecting rod.

Preferably, the annular rotating groove is formed in the end faces of the two ends of the first connecting leg, the annular rotating groove is formed in the end face of the top end of the second connecting leg, the end face of the top end of the first connecting leg is connected with the first steering wheel in a rotating mode, the upper end face and the lower end face of the first steering wheel are respectively fixed with a supporting rod, a ball is movably connected to the supporting rods, the ball is connected to the annular rotating groove in a clamped mode, a through hole is formed in the center position of the first steering wheel, and the direction adjusting.

Preferably, link up leg one and link up to rotate between the leg two and be connected with directive wheel two, the upper and lower terminal surface of directive wheel two is fixed with a plurality of branches equally, swing joint has the ball on the branch, the ball joint is in annular spout, the center department of directive wheel two is fixed with the threaded rod, the bottom center department that links up leg two has seted up logical groove, the sliding connection who leads to the groove has the bearing bar, set up the screw hole in the bearing bar, threaded rod and screw hole rotary fit, the spacing groove has been seted up to the both sides that lead to the groove, the both sides of bearing bar are fixed with the slider, slider and spacing groove sliding connection, the both sides rotation that links up leg two is.

Preferably, the supporting leg two includes carriage and removal post, and the through hole has been seted up to the bottom center department of carriage, and the both sides that the carriage is close to the bottom are fixed with the bearing frame, have seted up on the bearing frame and have rotated the chamber, rotate the intracavity joint and have the turning block, are fixed with the threaded rod on the turning block, and the one end of threaded rod is fixed with the swing pinion, be provided with the driving gear in the through-hole, the driving gear with transfer to the tooth meshing, the central point of driving gear puts the fixed connection axle of department, and the one end that the connecting axle passed the through hole is fixed with driven gear. The threaded rod is sleeved with a threaded cylinder, the threaded cylinder is rotatably connected with a supporting block through a transmission rod, and the supporting block is fixedly connected with the bottom of the movable column.

Compared with the prior art, the invention has the beneficial effects that:

according to the online interactive electronic whiteboard, the supporting plate can support the projector and fix the projectors of different models.

The adjusting gear is arranged, the gear belt can be driven to rotate through the adjusting gear so as to drive the crawler belt to rotate, the gear belt drives the meshing teeth to rotate, and under the action of the gear rack, the meshing teeth move along the auxiliary plate so as to drive the supporting rod to move along the auxiliary plate, so that the effect of adjusting the projection distance between the projector and the electronic whiteboard is achieved.

The electronic whiteboard is provided with the first steering wheel, and the relative position between the movable column and the supporting frame can be adjusted through the first steering wheel, so that the function of adjusting the height of the electronic whiteboard is realized.

The electronic whiteboard is provided with the second steering wheel, the second steering wheel drives the threaded rod to rotate, so that the bearing rod supports the second connecting leg from the moving position in the through groove, and then the universal wheel rotates down to further realize the function of moving the electronic whiteboard, and the electronic whiteboard can be used in different occasions.

The portable safety device is convenient to carry and high in safety, and is simple in structure, convenient to operate and high in practicability.

Drawings

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

FIG. 2 is a side view of the cabinet frame

FIG. 3 is a schematic structural view of a support leg II;

FIG. 4 is a schematic view of a steering wheel configuration;

FIG. 5 is a front view of the cabinet frame;

FIG. 6 is a schematic view of a support plate construction;

FIG. 7 is a schematic view of the end face structure of the second engaging leg;

FIG. 8 is a schematic view of an end face structure of the engagement leg;

FIG. 9 is a schematic structural view of a second steering wheel;

FIG. 10 is a schematic end view of a steerable wheel;

fig. 11 is a schematic view of the drive and driven gears.

In the figure: 1. a cabinet type frame. 101. A hollow chamber. 102. The door is placed. 103. An annular chute. 104. T-shaped sliding groove. 105. And adjusting the hole. 2. Electronic whiteboard, 3, track. 4. A gear belt. 5. And a first support rod. 6. And a first rolling ball. 7. T-shaped sliding block. 8. A support rod. 9. The teeth are engaged. 10. An auxiliary plate. 11. A gear rack. 12. And a support plate. 1201. And (6) placing the groove. 1202. A telescopic groove. 13. And adjusting the gear. 14. And fixing the shaft. 15. And (5) supporting legs. 16. A retractable plate. 17. A telescopic rod. 18. The spring is clamped. 19. A handle. 20. And a first support leg. 2001. The first connecting leg. 2002. And a second connecting leg. 21. And a second support leg. 22. A concave connecting rod. 23. An annular rotating groove. 24. And a first steering wheel. 2401. And a through hole. 25. And a second supporting rod. 26. And a second ball. 27. And a first threaded rod. 28. A through groove. 2801. A limiting groove. 29. A load-bearing bar. 2901. A threaded bore. 2902. A slide block. 30. A universal wheel. 31. And (4) supporting the frame. 3101. A through hole. 32. The column is moved. 33. And a bearing seat. 34. And (6) rotating the block. 35. And a second threaded rod. 36. The gear is rotated. 37. A drive gear. 38. And (7) connecting the shafts. 39. A driven gear. 40. A threaded barrel. 41. And a transmission rod. 42. And (7) a supporting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-11, the present invention provides a technical solution: an online interactive electronic whiteboard, characterized in that: including cabinet type frame 1, cabinet type frame 1's front is inlayed and is had whiteboard 2, cabinet type frame 1's inside is provided with well plenum chamber 101, well plenum chamber 101's side is provided with places door 102, annular spout 103 has been seted up to well plenum chamber 101's bottom, annular spout 103 side division is equipped with "T" type spout 104, sliding connection has track 3 in the annular spout 103, the inboard and the outside of track 3 all are provided with toothed belt 4, the lower terminal surface of track 3 is fixed with a plurality of branch 5, swing joint has ball 6 joint in annular spout 103 on branch 5, sliding connection has "T" type slider 7 in "T" type spout 104, "T" type slider 7 is last to be fixed with bracing piece 8, the side that bracing piece 8 is close to the bottom rotates and is connected with meshing tooth 9, one side of keeping away from annular spout 103 of T "type spout 104 is fixed with accessory plate 10. The auxiliary plate 10 is provided with a gear strip 11, the meshing teeth 9 are meshed with the gear belt 4 and the gear strip 11, the supporting rod 8 is fixed with a supporting plate 12, the front surface of the cabinet type frame 1 close to the bottom is provided with an adjusting hole 105, an adjusting gear 13 is arranged in the adjusting hole 105, the adjusting gear 13 is meshed with the gear belt 4, the fixed shaft 14 penetrates through the adjusting gear 13 and is fixed in the adjusting hole 105, and the lower part of the cabinet type frame 1 is provided with supporting legs 15.

Further, a handle 19 is arranged on the retractable plate 16, the retractable plate 16 is moved by the handle 19 to compress the clamping spring 18, and then the projector is placed in the placing groove 1201 and clamped by the retractable plate 16 under the action of the clamping spring 18.

Furthermore, an adjusting gear 13 is arranged in the adjusting hole 105, the adjusting gear 13 can drive the gear belt 4 to rotate so as to drive the caterpillar band 3 to rotate, the gear belt 4 drives the meshing teeth 9 to rotate, and under the action of the gear rack 11, the meshing teeth 9 move along the auxiliary plate 10 so as to drive the supporting rod 8 to move along the auxiliary plate 10, so that the effect of adjusting the projection distance between the projector and the electronic whiteboard is achieved.

Furthermore, the top end face of the first connecting leg 2001 is actively connected with a first steering wheel 24, the first steering wheel 24 drives a driving gear 37 to rotate, the driving gear 37 drives a driven gear 39 to rotate through a connecting shaft 39 so as to drive a rotary gear 36 to rotate, the rotary gear 36 drives a second threaded rod 35 to rotate, a threaded cylinder 40 can move along the second threaded rod 35 so as to drive a transmission rod 41 to move, and the transmission rod 41 drives a moving column 32 to move up and down through a supporting block 42 so as to drive an electronic whiteboard to move up and down, so that the electronic whiteboard can be adapted to people with different heights under the effect of adjusting the height of the electronic whiteboard.

Furthermore, the second steering wheel 26 is rotated to drive the first threaded rod 27 to rotate, so that the bearing rod 29 moves out of the through hole 28 to support the second connecting leg 2002, and then the universal wheel 30 is rotated down to be convenient to move, so that the device can be suitable for various occasions.

The working principle is as follows: when the online interactive electronic whiteboard is used, firstly, the telescopic plate 16 compresses the clamping spring 18 through the handle 19, then a projector is placed in the placing groove 1201, the telescopic plate 16 clamps the projector through the elastic force of the clamping spring 1201, and the online interactive electronic whiteboard has a fixing effect on the projector and can adapt to projectors of different models; the gear belt 4 can be driven to rotate through the adjusting gear 13 so as to drive the crawler belt 3 to rotate, the gear belt 4 drives the meshing teeth 9 to rotate, and under the action of the gear rack 11, the meshing teeth 9 move along the auxiliary plate 10 so as to drive the supporting rod 8 to move along the auxiliary plate 10, so that the effect of adjusting the projection distance between the projector and the electronic whiteboard is achieved; the driving gear 37 is driven to rotate by the first steering wheel 24, the driving gear 37 drives the driven gear 39 to rotate by the connecting shaft 38 so as to drive the rotating gear 36 to rotate, the rotating gear 36 drives the second threaded rod 27 to rotate, the threaded cylinder 40 can move along the second threaded rod 27 so as to drive the transmission rod 41 to move, and the transmission rod 41 drives the moving column 32 to move up and down by the supporting block 42 so as to drive the electronic whiteboard to move up and down, so that the electronic whiteboard can be suitable for people with different heights; the second steering wheel 26 is rotated to drive the first threaded rod 27 to rotate, so that the bearing rod 29 moves out of the through hole 28 to support the second connecting leg 2002, and then the universal wheel 30 is rotated to be convenient to move, so that the device can be suitable for various occasions.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. An online interactive electronic whiteboard, characterized in that: the novel electronic whiteboard device comprises a cabinet type rack (1), an electronic whiteboard (2) is embedded in the front of the cabinet type rack (1), a hollow cavity (101) is arranged inside the cabinet type rack (1), a placing door (102) is arranged on the side face of the hollow cavity (101), an annular chute (103) is formed in the bottom of the hollow cavity (101), a T-shaped chute (104) is formed beside the annular chute (103), a crawler (3) is connected in the annular chute (103) in a sliding manner, gear belts (4) are arranged on the inner side and the outer side of the crawler (3), a plurality of support rods (5) are fixed on the lower end face of the crawler (3), a ball I (6) is movably connected on each support rod (5), the ball I (6) is clamped in the annular chute (103), a T-shaped sliding block (7) is connected in the T-shaped chute (104) in a sliding manner, a support rod (8) is fixed, the side surface of the support rod (8) close to the bottom is rotatably connected with a meshing tooth (9), one side of the T-shaped chute (104) far away from the annular chute (103) is fixedly provided with an auxiliary plate (10), the auxiliary plate (10) is provided with a gear strip (11), the meshing tooth (9) is meshed with the gear belt (4) and the gear strip (11), the support rod (8) is fixedly provided with a support plate (12), the front surface of the cabinet type frame (1) close to the bottom is provided with an adjusting hole (105), an adjusting gear (13) is arranged in the adjusting hole (105), the adjusting gear (13) is meshed with the gear belt (4), the fixed shaft (14) penetrates through the adjusting gear (13) and is fixed in the adjusting hole (105), and a support leg (15) is arranged below the cabinet type frame (1);

the supporting leg (15) comprises a first supporting leg (20) and a second supporting leg (21), the first supporting leg (20) comprises a first connecting leg (2001) and a second connecting leg (2002), and the first connecting leg (2001) and the second connecting leg (2002) are fixedly connected through a concave connecting rod (22); the end faces of two ends of the first connecting leg (2001) are provided with annular rotating grooves (23), the end face of the top end of the second connecting leg (2002) is provided with the annular rotating grooves (23), the end face of the top end of the first connecting leg (2001) is rotatably connected with the first steering wheel (24), the upper end face and the lower end face of the first steering wheel (24) are respectively fixed with a second support rod (25), the second support rod (25) is movably connected with a second ball (2501), the second ball (2501) is clamped in the annular rotating grooves (23), a through hole (2401) is formed in the center position of the first steering wheel (24), and direction adjusting teeth are arranged on the inner side of the through hole (2401; a second steering wheel (26) is rotatably connected between the first connecting leg (2001) and the second connecting leg (2002), a plurality of second support rods (25) are also fixed on the upper end face and the lower end face of the second steering wheel (26), the second support rods (25) are movably connected with second balls (2501), the second balls (2501) are clamped in the annular rotating groove (23), a first threaded rod (27) is fixed at the center of the second steering wheel (26), a through groove (28) is formed in the center of the bottom of the second connecting leg (2002), a bearing rod (29) is connected with the through groove (28) in a sliding manner, a threaded hole (2901) is formed in the bearing rod (29), the first threaded rod (27) is in rotating fit with the threaded hole (2901), limiting grooves (2801) are formed in two sides of the through groove (28), sliding blocks (2902) are fixed on two sides of the bearing rod (29), the sliding blocks (2902) are connected with the limiting grooves (2801) in a sliding manner, and universal wheels; the supporting leg II (21) comprises a supporting frame (31) and a moving column (32), a through hole (3101) is formed in the center of the bottom of the supporting frame (31), bearing seats (33) are fixed on two sides, close to the bottom, of the supporting frame (31), a rotating cavity (3301) is formed in each bearing seat (33), a rotating block (34) is clamped in each rotating cavity (3301), a threaded rod II (35) is fixed on each rotating block (34), a rotating gear (36) is fixed at one end of each threaded rod II (35), a driving gear (37) is arranged in each through hole (2401), the driving gear (37) is meshed with the direction adjusting teeth, a connecting shaft (38) is fixed in the center of the driving gear (37), a driven gear (39) is fixed at one end, penetrating through the through hole (3101), of the connecting shaft (38), and the driven gear (39) is meshed; the second threaded rod (35) is sleeved with a threaded cylinder (40), the threaded cylinder (40) is rotatably connected with a supporting block (42) through a transmission rod (41), and the supporting block (42) is fixedly connected with the bottom of the movable column (32).

2. An online interactive electronic whiteboard according to claim 1, wherein: the supporting plate is characterized in that a placing groove (1201) is formed in the center of the supporting plate (12), telescopic grooves (1202) are formed in two sides of the placing groove (1201), a telescopic plate (16) is arranged in each telescopic groove (1202), the telescopic plate (16) is fixedly connected with the bottoms of the telescopic grooves (1202) through telescopic rods (17), clamping springs (18) are arranged on the telescopic rods (17), and handles (19) are fixed on the telescopic plates (16).