CN203630501U - Liftable and fine-adjustable multifunctional projector hanger - Google Patents

Abstract

The utility model provides a lifting and fine-tuning multifunctional projector hanger, which includes a top fixing device, a lifting mechanism, an up and down fine-tuning device, a left-right fine-tuning device, and a stand-alone piece, wherein the top of the lifting mechanism is provided with a top fixing device, The bottom of the lifting mechanism is connected with the projection frame, and the single-unit sheet is movably assembled in the projection frame, one side of which is connected with the left and right fine-tuning devices, and the top of the single-machine sheet is connected with the up-and-down fine-adjustment device installed in the projection frame. After the utility model adopts the above scheme, the height of the projector can be adjusted through the lifting mechanism, which is convenient for replacement and maintenance; the up, down, left, and right positions of the projector can be fine-tuned through the up-down fine-tuning device and the left-right fine-tuning device, and the structure of this scheme is simple , Easy to operate, strong practicability.

Description

A lifting and fine-tuning multifunctional projector hanger

technical field

The utility model relates to the field of projector auxiliary equipment, in particular to a lifting and fine-tuning multifunctional projector hanger.

Background technique

At present, projectors have been widely used in school classrooms, meeting rooms, and exhibition halls to project various flat projections. In order to demonstrate lectures and facilitate teaching, projectors are installed in school classrooms, studios, and auditoriums. However, after a period of use, the height and direction of the projector will deviate due to gravity or other factors, requiring adjustment by the staff. In addition, the projection effect of the projector that has been used for a long time will deteriorate, and the bulb of the projector needs to be replaced in time. Since the projector equipment is fixed on the ceiling and its position is high, it is not convenient for the daily maintenance of the projector, and great difficulties will be encountered when adjusting the projection direction and replacing the projection equipment.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a multifunctional projector hanger with simple structure and convenient operation, which can be lifted up and down, and can be fine-tuned in all directions up, down, left, and right.

In order to achieve the above purpose, the technical solution provided by the utility model is: a kind of lifting and fine-tuning multifunctional projector hanger, which includes a top fixing device, a lifting mechanism, an up and down fine-tuning device, a left-right fine-tuning device, and a stand-alone piece. Among them, the top of the lifting mechanism is provided with a top fixing device, the bottom of the lifting mechanism is connected with the projection frame, the single-machine sheet is movably assembled in the projection frame, one side of which is connected with the left and right fine-tuning device, and the top of the single-machine sheet is connected with the upper and lower parts installed in the projection frame. The fine adjustment device is connected.

The top fixing device includes a fixing plate, and the fixing plate is provided with screw holes, and the screw holes are fixed on the indoor ceiling by screws.

The lifting mechanism includes a lifting motor, a nylon wire, a fixed pulley, and a lifting sleeve shaft, wherein the fixed pulley is assembled on the top of the lifting sleeve shaft, one end of the nylon wire is fixed on the projection stand, and the other end is wound around the fixed pulley and Assembled on the transmission shaft of the lifting motor on the top of the projection frame.

The up and down fine-tuning device includes a horizontal fixing plate, a first up and down fine-tuning link, an up-and-down fine-tuning motor, a second up-and-down fine-tuning link, and an up-and-down fine-tuning hinge, wherein the horizontal fixing plate is assembled at the bottom of the projector, and the disc passes through the short axis The movable assembly is at the bottom of the projection frame, and there are three fine-tuning hinges up and down, two of which are mounted on the disc at a certain distance, and the other is mounted on the bottom of the horizontal fixing plate, and one end of the second up-down fine-tuning link is fixed to the hinge at the bottom of the horizontal fixing plate. The other end is connected to one of the hinges on the disc; the other hinge on the disc is provided with a disc gear, and the disc gear is connected to the hinge at the bottom of the horizontal fixed plate through the first up and down fine-tuning link. The fine-tuning motor is installed on the disc, and the transmission shaft of the up-and-down fine-tuning motor is connected with the disc gear.

The left and right fine-tuning device includes a left-right fine-tuning hinge, a left-right fine-tuning motor, and a left-right fine-tuning connecting rod, wherein the left-right fine-tuning motor is installed on the bottom of the projection stand through the left-right fine-tuning hinge, and a disc gear is arranged on the transmission shaft of the left-right fine-tuning motor. The disc gear is connected with one end of the left and right fine-tuning connecting rod, and the other end of the left-right fine-tuning connecting rod is fixedly connected with the disc.

After the utility model adopts the above scheme, the height of the projector can be adjusted through the lifting mechanism, which is convenient for replacement and maintenance; the up, down, left, and right positions of the projector can be fine-tuned through the up-down fine-tuning device and the left-right fine-tuning device, and the structure of this scheme is simple , Easy to operate, strong practicability.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic diagram of the up and down fine-tuning device of the present invention.

Fig. 3 is a schematic diagram of the lifting mechanism of the present invention.

Fig. 4 is a schematic diagram of the left and right fine adjustment device of the present invention.

FIG. 5 is a top view of FIG. 4 .

Detailed ways

Below in conjunction with all accompanying drawings the utility model is further described, the preferred embodiment of the utility model is: referring to accompanying drawing 1 to accompanying drawing 5, the multifunctional projector hanger described in the present embodiment comprises top fixing device 1, Lifting mechanism 2, up and down fine-tuning device 3, left and right fine-tuning device 4, stand-alone piece 25, wherein, the top of lifting mechanism 2 is provided with top fixing device 1, and top fixing device 1 includes fixing plate 9, and fixing plate 9 is provided with screw hole 10 , the screw holes 10 are fixed on the indoor ceiling by screws 11. The lifting mechanism 2 includes a lifting motor 6, a nylon wire 7, a fixed pulley 8, and a lifting sleeve shaft 27, wherein the fixed pulley 8 is assembled on the top of the lifting sleeve shaft 27, the bottom of the lifting sleeve shaft 27 is connected with the projection frame 26, and the nylon wire 7 One end is fixed on the projection frame 26, and the other end goes around the fixed pulley 8 and then wraps around to the lifting motor 6 drive shaft assembled on the projection frame 26 top. Stand-alone sheet 25 is movably assembled in projection frame 26, and its side is connected with left and right fine-tuning device 4, and stand-alone sheet 25 top is connected with up-and-down fine-tuning device 3 installed in projection frame 26. The up and down fine-tuning device 3 includes a horizontal fixing plate 12, a first up and down fine-tuning connecting rod 13, an up-and-down fine-tuning motor 14, a second up-and-down fine-tuning connecting rod 17, and an up-and-down fine-tuning hinge 15, wherein the horizontal fixing plate 12 is assembled on the bottom of the projector 5, The disc 19 is movably assembled on the bottom of the projection frame 26 through the short axis 8, and there are three fine-tuning hinges 15 up and down, two of which are assembled on the disc 19 at a certain distance, and the other is assembled on the bottom of the horizontal fixed plate 12, and the second fine-tuning up and down One end of the connecting rod 17 is affixed to the hinge at the bottom of the horizontal fixed plate 12, and the other end is connected to one of the hinges on the disc 19; the other hinge on the disc 19 is provided with a disc gear, and the disc gear is connected to the horizontal fixed plate. 12 bottom hinges are connected by first fine-tuning connecting rod 13 up and down, and fine-tuning motor 14 is installed on the disk 19, and the power transmission shaft of fine-tuning motor 14 up and down is connected with disc gear. Using the principle of the planar four-bar mechanism, when the up and down fine-tuning motor 14 rotates, it drives the disc gear on the transmission shaft to rotate, and then drives the first up and down fine-tuning connecting rod 13 connected by the hinge to move, and then through the first up and down fine-tuning connecting rod 13 Drive the second up and down fine-tuning connecting rod 17 and the horizontal fixed plate 12 to move up and down to realize the up-down fine-tuning function. Left and right fine-tuning device 4 comprises left and right fine-tuning hinges 20, left and right fine-tuning motors 21, left and right fine-tuning connecting rods 22, wherein, left and right fine-tuning motors 21 are installed on projection stand 26 bottoms by left and right fine-tuning hinges 20, and left and right fine-tuning motors 21 are provided with Disc gear, this disc gear is hingedly connected with left and right fine-tuning connecting rod 22 one ends, left and right fine-tuning connecting rod 22 other ends are connected with disc 19 firmly. The left and right fine-tuning also utilizes the principle of the plane four-bar mechanism, and when the left-right fine-tuning motor 21 rotates, it drives the left-right fine-tuning connecting rod 22 to move, so that the disc swings left and right to realize the left-right fine-tuning function.

The above-described embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of implementation of the present utility model, so all changes made according to the shape and principle of the present utility model should be covered by the scope of the present utility model. within the scope of protection.

Claims (5)

1. A lifting and fine-tuning multi-function projector hanger, characterized in that it includes a top fixing device (1), a lifting mechanism (2), an up and down fine-tuning device (3), a left-right fine-tuning device (4), Stand-alone film (25), wherein, the top of the lifting mechanism (2) is provided with a top fixing device (1), the bottom of the lifting mechanism (2) is connected with the projection stand (26), and the stand-alone film (25) is movably assembled on the projection stand (26) ), one side thereof is connected with the left and right fine-tuning device (4), and the top of the stand-alone sheet (25) is connected with the up-and-down fine-tuning device (3) installed in the projection frame (26). 2. A lifting and fine-tuning multifunctional projector hanger according to claim 1, characterized in that: the top fixing device (1) includes a fixing plate (9), and the fixing plate (9) is provided with screws Holes (10), screw holes (10) are fixed on the indoor ceiling by screws (11). 3. A lifting and fine-tuning multifunctional projector hanger according to claim 1, characterized in that: the lifting mechanism (2) includes a lifting motor (6), a nylon wire (7), a fixed pulley (8 ), the lifting sleeve shaft (27), wherein the fixed pulley (8) is assembled on the top of the lifting sleeve shaft (27), one end of the nylon wire (7) is fixed on the projection frame (26), and the other end goes around the fixed pulley (8) Rewind to the lifting motor (6) transmission shaft that is assembled on the top of the projection frame (26) again. 4. A lifting and fine-tuning multifunctional projector hanger according to claim 1, characterized in that: the up and down fine-tuning device (3) includes a horizontal fixing plate (12), a first up-down fine-tuning connecting rod (13 ), the up-and-down fine-tuning motor (14), the second up-down fine-tuning link (17), and the up-and-down fine-tuning hinge (15), wherein the horizontal fixing plate (12) is assembled on the bottom of the projector (5), and the disc (19) passes through the short The shaft (8) is movably assembled at the bottom of the projection stand (26), and there are three fine-tuning hinges (15) up and down, two of which are assembled on the disc (19) at a certain distance, and the other is assembled on the bottom of the horizontal fixed plate (12) , one end of the second up and down fine-tuning link (17) is fixed to the hinge at the bottom of the horizontal fixed plate (12), and the other end is connected to one of the hinges on the disc (19); on the other hinge on the disc (19) There is a disc gear, which is connected with the hinge at the bottom of the horizontal fixed plate (12) through the first up and down fine-tuning link (13), and the up-down fine-tuning motor (14) is installed on the disc (19) The power transmission shaft of motor (14) is connected with disc gear. 5. A lifting and fine-tuning multifunctional projector hanger according to claim 1, characterized in that: the left and right fine-tuning device (4) includes a left-right fine-tuning hinge (20), a left-right fine-tuning motor (21), a left-right fine-tuning The fine-tuning connecting rod (22), wherein, the left and right fine-tuning motors (21) are installed on the bottom of the projection frame (26) through the left-right fine-tuning hinges (20), and the drive shafts of the left-right fine-tuning motors (21) are provided with disc gears. The gear is connected with one end of the left and right fine-tuning connecting rod (22), and the other end of the left-right fine-tuning connecting rod (22) is fixedly connected with the disk (19).

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