CN213877527U

CN213877527U - Multimedia projection interactive demonstration device

Info

Publication number: CN213877527U
Application number: CN202120191508.XU
Authority: CN
Inventors: 李永涛; 程峰; 王红岩
Original assignee: Jining Polytechnic
Current assignee: Jining Polytechnic
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-08-03
Anticipated expiration: 2031-01-23

Abstract

The utility model discloses an interactive presentation device of multimedia projection, including the base station, go up even board, demonstration board, spiral roller and interactive board, it is connected with the spiral roller to rotate on the inner wall of base station one side, and the inside fluted disc that is equipped with of base station of spiral roller one side to the central point on fluted disc top puts the department and is fixed with the stand, and the top of stand extends to the outside of base station and installs down even board, the top of even board is equipped with even board down, and the central point on even board top puts the department and is fixed with the lead screw down to threaded connection has a spiral section of thick bamboo on the outer wall of lead screw one end, and the top of spiral section of thick bamboo and the bottom of last even board rotate and be connected, the one end of going up even board top has the demonstration board through the support mounting, and the last even board top of demonstration board one end has the interactive board through the support mounting. The utility model discloses not only ensured the bandwagon effect when presentation device uses, prolonged presentation device's life, improved the stability when presentation device uses moreover.

Description

Multimedia projection interactive demonstration device

Technical Field

The utility model relates to an exhibition technical field specifically is an interactive presentation device of multimedia projection.

Background

Along with the continuous development of society, china is full of the product lin lang in different fields, and the introduction of product generally can use multimedia presentation device, and its wide application is in fields such as often establishing the exhibition hall, exhibition room, science and technology museum, planning museum, trade exhibition hall, theme exhibition hall.

Presentation device on the present market is various, but the functionality is comparatively single, still has certain problem, can't satisfy people's demand gradually, and concrete problem has following several:

(1) the angle between the demonstration board and the interactive board is inconvenient to adjust by the existing demonstration device, and the demonstration device is difficult to correspondingly adjust according to the positions of audiences, so that the demonstration effect is difficult to ensure;

(2) the existing demonstration device is inconvenient for adjusting the height of the demonstration board and the interactive board, so that the demonstration device is easy to be touched by audiences due to external factors and further easy to be damaged;

(3) the existing demonstration device is inconvenient for anti-skid treatment, so that the phenomenon of slippage is easily caused, and the stability is general.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interactive presentation device of multimedia projection to propose in solving above-mentioned background art that presentation device is not convenient for adjust the demonstration board and the angle of interactive board, be not convenient for adjust the demonstration board and the height of interactive board and be not convenient for carry out the problem of anti-skidding processing.

In order to achieve the above object, the utility model provides a following technical scheme: a multimedia projection interactive demonstration device comprises a base platform, an upper connecting plate, a demonstration plate, a spiral roller and an interactive plate, wherein the spiral roller is rotatably connected to the inner wall of one side of the base platform, a fluted disc is arranged inside the base platform of one side of the spiral roller, the bottom end of the fluted disc is rotatably connected with the bottom of the base platform, a stand column is fixedly arranged at the central position of the top end of the fluted disc, the top end of the stand column extends to the outside of the base platform and is provided with a lower connecting plate, the upper connecting plate is arranged above the lower connecting plate, a lead screw is fixedly arranged at the central position of the top end of the lower connecting plate, a spiral cylinder is in threaded connection with the outer wall of one end of the lead screw, the top end of the spiral cylinder is rotatably connected with the bottom end of the upper connecting plate, the demonstration plate is arranged at one end of the top of the upper connecting plate through a support, the interactive plate is arranged at the top of the upper connecting plate at one end of the demonstration plate through a support, universal wheels are arranged at the corner positions of the bottom end of the base platform, and the outer wall of the base station on one side of the universal wheel is provided with an anti-skid structure.

Preferably, a rotary handle is installed on one side of the top end of the base platform, and the bottom end of the rotary handle extends into the base platform and is installed with a first gear so as to drive a second gear to rotate.

Preferably, the telescopic link is all installed on the lower even board top of lead screw both sides, and the top of telescopic link and the bottom fixed connection who goes up even board to carry on spacingly to the lift range who goes up even board.

Preferably, anti-skidding structure's inside is equipped with a screw thread section of thick bamboo, hand wheel, hob in proper order, bears a frame and anti-skidding callus on the sole, install on the base station outer wall of universal wheel one side and bear a frame, and bear the one end of keeping away from the base station and install a screw thread section of thick bamboo to settle the processing to the hob.

Preferably, the internal thread of a screw thread section of thick bamboo has the hob, and the top of hob extends to the outside of a screw thread section of thick bamboo and installs the hand wheel to the bottom of hob extends to the outside of a screw thread section of thick bamboo and rotates and be connected with anti-skidding callus on the sole, so that carry out anti-skidding processing.

Preferably, one end of the spiral roller is provided with a guide shaft, one end of the guide shaft, which is far away from the spiral roller, is rotatably connected with the inner wall of the base station, a second gear is fixed on the outer wall of one side of the guide shaft, and the second gear is meshed with the first gear so as to drive the spiral roller to rotate.

Compared with the prior art, the beneficial effects of the utility model are that: the multimedia projection interactive demonstration device not only ensures the demonstration effect when the demonstration device is used, prolongs the service life of the demonstration device, but also improves the stability when the demonstration device is used;

(1) the demonstration device is provided with the rotary handle, the first gear, the second gear, the guide shaft, the spiral roller, the stand column and the fluted disc, the first gear is driven to rotate by rotating the rotary handle, the first gear drives the second gear to rotate due to the mutual meshing of the first gear and the second gear, the second gear drives the spiral roller to synchronously rotate through the guide shaft, the fluted disc is driven to slowly rotate by the spiral roller at the moment, the fluted disc drives the lower connecting plate to synchronously rotate through the stand column, so that the demonstration board and the interactive board are driven to rotate through the upper connecting plate, the angle between the demonstration board and the interactive board can be adjusted according to the direction of audiences, and the demonstration effect when the demonstration device is used is ensured;

(2) by arranging the telescopic rod, the spiral cylinder, the screw rod and the upper connecting plate, the spiral cylinder is rotated to enable the surface of the screw rod to rotate and move upwards, and the upper connecting plate moves upwards after the movement amplitude of the upper connecting plate is limited by the telescopic rod, so that the demonstration plate and the interactive plate are driven to move upwards synchronously, the demonstration device is prevented from being touched by audiences due to external factors, the damage phenomenon of the demonstration device can be reduced, and the service life of the demonstration device is prolonged;

(3) through being provided with a screw thread section of thick bamboo, the hand wheel, the hob, bear a frame and anti-skidding callus on the sole, set up a screw thread section of thick bamboo in the base station outer wall of universal wheel one side through bearing a frame, manual rotatory hand wheel, make it drive the inside rotation that the hob is located a screw thread section of thick bamboo and move down, and then drive anti-skidding callus on the sole by the hob and move down in step, when the plane at anti-skidding callus on the sole bottom place is in the same plane with the plane at universal wheel bottom place, can carry out anti-skidding through anti-skidding callus on the sole to presentation device, in order to reduce its phenomenon that produces and slide, thereby stability when presentation device uses has been improved.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of a fluted disc according to the present invention;

fig. 3 is a schematic view of the interaction board side view enlarging structure of the present invention;

fig. 4 is the enlarged schematic view of the anti-slip structure of the present invention.

In the figure: 1. a base station; 2. a lower connecting plate; 3. a telescopic rod; 4. an upper connecting plate; 5. a demonstration board; 6. a spiral cylinder; 7. a screw rod; 8. turning a handle; 9. a first gear; 10. an anti-slip structure; 1001. a threaded barrel; 1002. a hand wheel; 1003. a screw rod; 1004. a carrier; 1005. anti-skid foot pads; 11. a second gear; 12. a guide shaft; 13. a helical roll; 14. a column; 15. a universal wheel; 16. a fluted disc; 17. and (5) mutually moving the plates.

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, the present invention provides an embodiment: a multimedia projection interactive demonstration device comprises a base station 1, an upper connecting plate 4, a demonstration plate 5, a spiral roller 13 and an interactive plate 17, wherein the spiral roller 13 is rotatably connected to the inner wall of one side of the base station 1, a rotary handle 8 is installed on one side of the top end of the base station 1, and the bottom end of the rotary handle 8 extends into the base station 1 and is provided with a first gear 9 so as to drive a second gear 11 to rotate;

a guide shaft 12 is arranged at one end of the spiral roller 13, one end of the guide shaft 12, which is far away from the spiral roller 13, is rotatably connected with the inner wall of the base station 1, a second gear 11 is fixed on the outer wall of one side of the guide shaft 12, and the second gear 11 is meshed with the first gear 9 so as to drive the spiral roller 13 to rotate;

a fluted disc 16 is arranged inside the base platform 1 on one side of the spiral roller 13, the bottom end of the fluted disc 16 is rotatably connected with the bottom of the base platform 1, a vertical column 14 is fixed at the central position of the top end of the fluted disc 16, the top end of the vertical column 14 extends to the outside of the base platform 1 and is provided with a lower connecting plate 2, an upper connecting plate 4 is arranged above the lower connecting plate 2, a screw rod 7 is fixed at the central position of the top end of the lower connecting plate 2, telescopic rods 3 are arranged at the top ends of the lower connecting plates 2 on two sides of the screw rod 7, and the top ends of the telescopic rods 3 are fixedly connected with the bottom end of the upper connecting plate 4 so as to limit the lifting amplitude of the upper connecting plate 4;

and the outer wall of one end of the screw rod 7 is connected with a spiral cylinder 6 in a threaded manner, the top end of the spiral cylinder 6 is rotationally connected with the bottom end of the upper connecting plate 4, one end of the top of the upper connecting plate 4 is provided with a demonstration plate 5 through a bracket, the top of the upper connecting plate 4 at one end of the demonstration plate 5 is provided with an interactive plate 17 through a bracket, the corner positions at the bottom end of the base station 1 are all provided with universal wheels 15, the outer wall of the base station 1 at one side of the universal wheel 15 is provided with an anti-skid structure 10, the interior of the anti-skid structure 10 is sequentially provided with a threaded cylinder 1001, a hand wheel 1002, a screw rod 1003, a bearing frame 1004 and an anti-skid foot pad 1005, the outer wall of the base station 1 at one side of the universal wheel 15 is provided with the bearing frame 1004, and one end of the bearing frame 1004 far away from the base station 1 is provided with a screw cylinder 1001, the screw rod 1003 is connected with the internal screw thread of the screw cylinder 1001, and the top end of the screw shaft 1003 extends to the outside of the screw cylinder 1001 and is provided with a handwheel 1002, the bottom end of the screw rod 1003 extends to the outside of the thread cylinder 1001 and is rotatably connected with an anti-skid foot pad 1005;

set up a screw thread section of thick bamboo 1001 in the outer wall of base station 1 of universal wheel 15 one side through bearing frame 1004, hand-operated rotation hand wheel 1002, make it drive the inside rotation that hob 1003 is located a screw thread section of thick bamboo 1001 and move down, and then drive anti-skidding callus on the sole 1005 by hob 1003 and move down in step, when the plane at anti-skidding callus on the sole 1005 bottom place and the plane at universal wheel 15 bottom place coplanar, can carry out anti-skidding through anti-skidding callus on the sole 1005 to the presentation device, in order to reduce its phenomenon that produces and slide, stability when having improved the presentation device and using.

The working principle is as follows: when the demonstration device is used, firstly, the first gear 9 is driven to rotate by rotating the rotary handle 8, the first gear 9 and the second gear 11 are meshed with each other, so that the first gear 9 drives the second gear 11 to rotate, the second gear 11 drives the spiral roller 13 to synchronously rotate through the guide shaft 12, at the moment, the spiral roller 13 drives the fluted disc 16 to slowly rotate, the fluted disc 16 drives the lower connecting plate 2 to synchronously rotate through the upright post 14, so that the demonstration plate 5 and the interactive plate 17 are driven to rotate through the upper connecting plate 4, the angle between the demonstration plate 5 and the interactive plate 17 can be adjusted according to the orientation of audiences, the demonstration effect when the demonstration device is used is ensured, then, the demonstration device is positioned on the surface of the screw rod 7 to rotate and move upwards by rotating the spiral cylinder 6, the movement amplitude of the upper connecting plate 4 is limited through the telescopic rod 3, so that the upper connecting plate 4 moves upwards, and then make it drive demonstration board 5 and interactive board 17 and shift up in step, in order to avoid it to receive spectator's touching because of external factors, and then can reduce its phenomenon that receives the damage, presentation device's life has been prolonged, set up screw cylinder 1001 in the base station 1 outer wall of universal wheel 15 one side through bearing frame 1004 at last, hand-operated rotatory hand wheel 1002, make it drive the inside rotation that hob 1003 is located screw cylinder 1001 and move down, and then drive anti-skidding callus on the sole 1005 by hob 1003 and move down in step, when the plane that the anti-skidding callus on the sole 1005 bottom was located is coplanar with the plane that the universal wheel 15 bottom was located, can carry out anti-skidding through anti-skidding callus on the sole 1005 to presentation device, in order to reduce its phenomenon that produces the slippage, the stability when the presentation device used has been improved, thereby accomplish the use of presentation device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an interactive presentation device of multimedia projection, includes base station (1), goes up even board (4), demonstration board (5), spiral roller (13) and interactive board (17), its characterized in that: the inner wall of one side of the base platform (1) is rotatably connected with a spiral roller (13), a fluted disc (16) is arranged inside the base platform (1) on one side of the spiral roller (13), the bottom end of the fluted disc (16) is rotatably connected with the bottom of the base platform (1), a stand column (14) is fixed at the central position of the top end of the fluted disc (16), the top end of the stand column (14) extends to the outside of the base platform (1) and is provided with a lower connecting plate (2), an upper connecting plate (4) is arranged above the lower connecting plate (2), a lead screw (7) is fixed at the central position of the top end of the lower connecting plate (2), a spiral cylinder (6) is connected onto the outer wall of one end of the lead screw (7) in a threaded manner, the top end of the spiral cylinder (6) is rotatably connected with the bottom end of the upper connecting plate (4), a demonstration plate (5) is installed at one end of the top of the upper connecting plate (4) through a support, and an interactive plate (17) is installed at the top of the top end of the demonstration plate (5) through a support, the corner position department of base station (1) bottom all installs universal wheel (15), and is equipped with on the base station (1) outer wall of universal wheel (15) one side anti-skidding structure (10).

2. A multimedia projection interactive presentation device according to claim 1, characterized in that: the rotary handle (8) is installed on one side of base station (1) top, and the bottom of rotary handle (8) extends to the inside of base station (1) and installs first gear (9).

3. A multimedia projection interactive presentation device according to claim 1, characterized in that: the telescopic rod (3) is installed on the top ends of the lower connecting plates (2) on the two sides of the screw rod (7), and the top ends of the telescopic rods (3) are fixedly connected with the bottom end of the upper connecting plate (4).

4. A multimedia projection interactive presentation device according to claim 1, characterized in that: the anti-skidding structure (10) is internally provided with a threaded cylinder (1001), a hand wheel (1002), a screw rod (1003), a bearing frame (1004) and an anti-skidding foot pad (1005) in sequence, the outer wall of the base station (1) on one side of the universal wheel (15) is provided with the bearing frame (1004), and one end, far away from the base station (1), of the bearing frame (1004) is provided with the threaded cylinder (1001).

5. The multimedia projection interactive presentation device as claimed in claim 4, wherein: the inside threaded connection of screw thread section of thick bamboo (1001) has hob (1003), and the top of hob (1003) extends to the outside of screw thread section of thick bamboo (1001) and installs hand wheel (1002) to the bottom of hob (1003) extends to the outside of screw thread section of thick bamboo (1001) and rotates and be connected with anti-skidding callus on the sole (1005).

6. A multimedia projection interactive presentation device according to claim 2, characterized in that: one end of the spiral roller (13) is provided with a guide shaft (12), one end, far away from the spiral roller (13), of the guide shaft (12) is rotatably connected with the inner wall of the base platform (1), a second gear (11) is fixed on the outer wall of one side of the guide shaft (12), and the second gear (11) is meshed with the first gear (9).