CN211176238U

CN211176238U - Interactive installation of multimedia projector

Info

Publication number: CN211176238U
Application number: CN201922469850.7U
Authority: CN
Inventors: 王培冀; 闫青梅; 王冬梅; 刘白粉; 胡金良
Original assignee: Zhengzhou Mobile Digital Technology Co ltd
Current assignee: Zhengzhou Mobile Digital Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-04
Anticipated expiration: 2029-12-31

Abstract

The utility model provides an interactive installation of multimedia projector has solved the less problem of angle modulation scope about present projecting apparatus. The utility model comprises a base, wherein the upper part of the base is provided with a hinged seat I, and the left end of a telescopic horizontal beam is arranged on the hinged seat I in an up-and-down rotating manner; the middle part of the telescopic horizontal beam is provided with a hinge seat II, the upper end of the telescopic oblique beam is rotatably arranged on the hinge seat II, the lower part of the base is provided with a hinge seat III, and the lower end of the telescopic oblique beam is rotatably arranged on the hinge seat III; the right-hand member of scalable horizontal beam is fixed to be equipped with the motor that just reverses, be equipped with on the output shaft of the motor that reverses and hang the frame, the lower part of hanging the frame is equipped with pivoted gallows from top to bottom, be equipped with telescoping device III between scalable horizontal beam and the gallows, the up end of gallows is equipped with annular spout, it is equipped with articulated seat IV to slide in the annular spout, telescoping device III's cylinder body bottom is articulated with scalable horizontal beam, telescoping device III's piston rod tip and articulated seat IV rotate to be connected, the projecting apparatus can be dismantled and establish in the gallows.

Description

Interactive installation of multimedia projector

Technical Field

The present invention relates to multimedia devices, and more particularly to an interactive device for a multimedia projector.

Background

Multimedia is an indispensable device concept for modern education in modern education techniques such as computers, projectors, slide shows, show stands, video, broadcasting, movies, electronic whiteboards, and computers.

When being used for multimedia teaching, the projector is generally hung at the top of a classroom at present, can only horizontally rotate, and can be adjusted in a small range in a small-amplitude up-down angle mode, and the adjustment range is too small. When the light that shines indoor by the external world changes, diffuse reflection can appear sometimes, leads to the picture that the projection was come out not clear, and this moment because the upper and lower angle modulation scope of projecting apparatus is smaller, will cause the projecting apparatus angle modulation postformable sometimes, still can not obtain better clear picture, lead to the picture that the curtain appears clearly not seen to the spectator far away.

SUMMERY OF THE UTILITY MODEL

In order to solve the present problem that the angle modulation scope is less about the projecting apparatus that exists among the background art, the utility model provides an interactive installation of multimedia projector.

The technical scheme of the utility model is that: an interaction device of a multimedia projector comprises a base, a telescopic horizontal beam, a telescopic oblique beam and the projector, wherein the upper part of the base is provided with a hinge base I, and the left end of the telescopic horizontal beam is arranged on the hinge base I in an up-and-down rotating manner; the middle part of the telescopic horizontal beam is provided with a hinge seat II, the upper end of the telescopic oblique beam is rotatably arranged on the hinge seat II, the lower part of the base is provided with a hinge seat III, and the lower end of the telescopic oblique beam is rotatably arranged on the hinge seat III; the fixed positive and negative motor that is equipped with the positive face down of right-hand member of scalable horizontal beam, the fixed frame that hangs that is equipped with on the output shaft of positive and negative motor that changes, the lower part of hanging the frame is equipped with but tilting's gallows, be equipped with between scalable horizontal beam and the gallows and be used for driving gallows tilting's telescoping device III, the up end of gallows is equipped with the annular spout, it is equipped with articulated seat IV to slide in the annular spout, telescoping device III's cylinder body bottom is connected with scalable horizontal beam is articulated, telescoping device III's tailpiece of the piston rod portion rotates with articulated seat IV to be connected, the projecting apparatus.

The telescopic horizontal beam comprises a suspender I and a suspender II, the left end of the suspender I is arranged on the hinge base I in an up-and-down rotating manner, the hinge base II is fixedly arranged at the lower part of the suspender I, and the forward and reverse rotating motor is fixedly embedded at the front part of the suspender II; the front portion of jib I is equipped with well dead slot I, and well dead slot I internal fixation is equipped with telescoping device I, and the rear portion of jib II is equipped with the reducing slide bar, and the reducing slide bar slides and establishes in well dead slot I, the left end of reducing slide bar and telescoping device I's piston right-hand member fixed connection.

Scalable sloping includes the bracing piece, is equipped with well dead slot II in the bracing piece, and well dead slot II internal fixation is equipped with telescoping device II, and the lower extreme of bracing piece rotates to be established on articulated seat III, and telescoping device II's piston upper end rotates to be established on articulated seat II.

The upper panel of the hanging bracket is rotatably arranged on the hanging frame, an integration box is arranged in the hanging bracket, and the hanging bracket and the integration box are fixedly connected through a bolt I; the integrated box is internally provided with a mounting groove, a frame-shaped supporting plate is arranged in the mounting groove, the projector is fixedly arranged on the supporting plate through a bolt II, and at least two rows of slide rails are arranged between the supporting plate and a lower panel of the mounting groove; the track of the slide rail is fixedly arranged on the lower panel of the mounting groove, and the track wheel of the slide rail is fixedly arranged at the lower part of the supporting plate; the integrated box is provided with a limiting component for preventing the supporting plate from accidentally sliding out when the supporting plate is static.

The limiting component comprises a square inserting ring and an I-shaped limiting plate, the square inserting ring is fixedly arranged on the integrated box above the mounting groove, the I-shaped limiting plate is movably inserted into the square inserting ring from top to bottom, and the lower end of the I-shaped limiting plate is lower than the upper end face of the projector.

And the integrated box is provided with a wire inserting hole and a USP interface.

The hanging bracket comprises a hanging plate and two L-shaped hook plates, the middle of the hanging plate is rotatably arranged on the hanging frame, the left end and the right end of the hanging plate are rotatably connected with the upper ends of the hook plates through hinges, and the upper part of the integration box is fixedly connected with the hanging plate through a bolt I.

The lower part of the output shaft of the forward and reverse rotating motor is provided with external threads, the external threads of the output shaft are fixedly provided with a baffle plate through threads, the middle part of the hanging frame is provided with a shaft hole matched with the output shaft, the inner diameter of the shaft hole is larger than the diameter of the output shaft, the hanging frame is arranged on the output shaft in a vertically sliding mode through the shaft hole, the upper part of the output shaft is provided with a wedge sleeve used for fixing the hanging frame in a sliding mode, and the wedge sleeve is inserted between the hanging frame.

The left side of the suspender I is fixedly provided with a limit stop lever used for limiting the rotation angle range of the telescopic horizontal beam, and the limit stop lever is parallel to the telescopic oblique beam.

The utility model has the advantages that: the utility model discloses a telescoping device I drive projecting apparatus carries out horizontal translation, but drive scalable horizontal beam tilting and then drive the projecting apparatus through telescoping device II drive and carry out the vertical translation, telescoping device III promotes the gallows and then drives the projecting apparatus around hanging the frame tilting angle modulation, positive and negative motor drives the horizontal rotation angle modulation of projecting apparatus, the angle modulation control in four positions makes the projecting apparatus obtain bigger angle modulation scope, avoid because the upper and lower angle modulation scope of projecting apparatus is less, will cause the projecting apparatus angle modulation to cross the back sometimes, still can not obtain better clear picture, the picture that the curtain presented is clearly seen to the spectator that leads to the distance far away.

Drawings

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

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

fig. 2 is a schematic structural view of the hanger in fig. 1.

In the figure, 1, a base, 2, a suspender I, 201, a hollow groove I, 3, a suspender II, 301, a variable diameter slide rod, 4, a telescopic device I, 5, a hinged seat I, 6, a support rod, 601, a hollow groove II, 7, a telescopic device II, 8, a hinged seat II, 9, a hinged seat III, 10, a forward and reverse rotation motor, 11, a hanging plate, 12, a baffle, 13, a wedge sleeve, 14, a hook plate, 15, an integrated box, 16, a supporting plate, 17, a slide rail, 18, a projector, 19, a limiting member, 20, a plug wire hole, 21, a USP interface, 22, a telescopic device III, 23, a hanging frame, 24 and a limiting stop rod.

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 any creative effort belong to the protection scope of the present invention.

Example 1: an interactive device of a multimedia projector is shown in fig. 1, and comprises a base 1, a telescopic horizontal beam, a telescopic oblique beam and a projector 18, wherein the upper part of the base 1 is provided with an articulated seat I5, the telescopic horizontal beam comprises a suspension rod I2 and a suspension rod II3, the left end of the suspension rod I2 is arranged on the articulated seat I5 in an up-and-down rotating manner, an articulated seat II8 is fixedly arranged at the lower part of the suspension rod I2, and a forward-reverse rotating motor 10 is fixedly embedded at the front part of the suspension rod II 3; the front part of the suspender I2 is provided with a hollow groove I201, a telescopic device I4 is fixedly arranged in the hollow groove I201, the rear part of the suspender II3 is provided with a reducing slide bar 301, the reducing slide bar 301 is slidably arranged in the hollow groove I201, and the left end of the reducing slide bar 301 is fixedly connected with the right end of a piston of the telescopic device I4. Scalable sloping includes bracing piece 6, is equipped with hollow groove II601 in the bracing piece 6, and hollow groove II601 internal fixation is equipped with telescoping device II7, and the lower part of base 1 is equipped with articulated seat III9, and the lower extreme of bracing piece 6 rotates to be established on articulated seat III9, and the piston upper end of telescoping device II7 rotates to be established on articulated seat II 8. The left side of the suspender I2 is fixedly provided with a limit stop lever 24 for limiting the rotation angle range of the telescopic horizontal beam, and the limit stop lever 24 is parallel to the telescopic oblique beam. In this embodiment, the rotation limiting angle of the limiting stop lever 24 to the retractable horizontal beam is: when the telescopic horizontal beam rotates downwards by 45 degrees, the lower end of the limit stop lever 24 touches the base 1 to prevent the telescopic horizontal beam from continuously rotating downwards. The limiting stop lever 24 is used for preventing the telescopic device III22 from falling off in a direct rotating mode after accidental force release, and hurts pedestrians or audiences on the lower side.

Be equipped with between scalable horizontal beam and the gallows and be used for driving gallows tilting's telescoping device III22, the up end of gallows is equipped with annular spout, and it is equipped with articulated seat IV to slide in the annular spout, and telescoping device III 22's cylinder body bottom is connected with scalable horizontal beam is articulated, and telescoping device III 22's piston rod tip is connected with articulated seat IV rotation.

As shown in FIG. 2, a forward and reverse rotation motor 10 with a downward front face is fixedly arranged at the right end of a hanging rod II3, an external thread is arranged at the lower part of an output shaft of the forward and reverse rotation motor 10, a baffle 12 is fixedly arranged on the external thread of the output shaft through a thread, a wedge sleeve 13 is slidably arranged at the upper part of the output shaft, a hanging frame 23 is arranged between the baffle 12 and the wedge sleeve 13, a shaft hole matched with the output shaft is arranged at the middle part of the hanging frame 23, the inner diameter of the shaft hole is larger than the diameter of the output shaft, the hanging frame 23 is slidably arranged on the output shaft up and down through the shaft hole, the wedge sleeve 13 is inserted between the hanging frame 23 and the output shaft, the wedge sleeve 13 is used for fixing the hanging frame 23, a hanging frame 23 is connected with a hanging frame capable of rotating up and down through a pin shaft at the lower part of the hanging frame 23, an integration box 15 is arranged in the hanging frame, the hanging frame 11 comprises a hanging plate 11 and two hook plates 14 of L type, the middle part of the hanging plate 11 is rotatably arranged on the hanging frame 23, the upper end ends of the hanging plate 14 are rotatably connected with a fixed mounting groove 16, the lower part of the integration box 15, the integration box is arranged on the fixed box 15, the fixed plate 16, the lower part of the fixed plate 17 of the integration box, the integration box is arranged on the fixed plate, the fixed plate 17, the fixed plate 16, the fixed plate is arranged on the fixed plate, the fixed plate 17, the fixed plate 17, the fixed plate is arranged on the fixed plate.

The telescopic device I, the telescopic device II and the telescopic device III in the embodiment all adopt electric push rods, a P L C controller used for controlling the electric push rods is arranged in the integration box 15, a remote control signal receiver is arranged at the front part of the integration box 15 and connected with the P L C controller, the remote control signal receiver receives external signals and then sends the external signals to the P L C controller, and the P L C controller controls the three electric push rods to respectively perform telescopic motion.

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. An interactive device of a multimedia projector is characterized in that: the telescopic horizontal beam type projector comprises a base (1), a telescopic horizontal beam, a telescopic oblique beam and a projector (18), wherein the upper part of the base (1) is provided with a hinge base I (5), and the left end of the telescopic horizontal beam is arranged on the hinge base I (5) in an up-and-down rotating manner; the middle part of the telescopic horizontal beam is provided with a hinge seat II (8), the upper end of the telescopic oblique beam is rotatably arranged on the hinge seat II (8), the lower part of the base (1) is provided with a hinge seat III (9), and the lower end of the telescopic oblique beam is rotatably arranged on the hinge seat III (9); the fixed positive and negative motor (10) that is equipped with the positive face down of right-hand member of scalable horizontal beam, it hangs frame (23) to fix being equipped with on the output shaft of positive and negative motor (10) that changes, the lower part of hanging frame (23) is equipped with but tilting's gallows, be equipped with between scalable horizontal beam and the gallows and be used for driving gallows tilting's telescoping device III (22), the up end of gallows is equipped with the annular spout, it is equipped with articulated seat IV to slide in the annular spout, the cylinder body bottom and the articulated connection of scalable horizontal beam of telescoping device III (22), the tailpiece of the piston rod portion and the articulated seat IV of telescoping device III (22) rotate and be connected, projecting apparatus (18.

2. The interactive apparatus of claim 1, wherein: the telescopic horizontal beam comprises a suspender I (2) and a suspender II (3), the left end of the suspender I (2) rotates up and down and is arranged on a hinged seat I (5), a hinged seat II (8) is fixedly arranged at the lower part of the suspender I (2), and a forward and reverse rotation motor (10) is fixedly embedded at the front part of the suspender II (3); the front part of jib I (2) is equipped with well hollow groove I (201), and well hollow groove I (201) internal fixation is equipped with telescoping device I (4), and the rear portion of jib II (3) is equipped with reducing slide bar (301), and reducing slide bar (301) slide to be established in well hollow groove I (201), and the left end of reducing slide bar (301) and the piston right-hand member fixed connection of telescoping device I (4).

3. The interactive apparatus of claim 2, wherein: scalable sloping includes bracing piece (6), is equipped with hollow groove II (601) in bracing piece (6), and hollow groove II (601) internal fixation is equipped with telescoping device II (7), and the lower extreme of bracing piece (6) is rotated and is established on articulated seat III (9), and the piston upper end of telescoping device II (7) is rotated and is established on articulated seat II (8).

4. The interactive apparatus of claim 3, wherein: the upper panel of the hanger is rotatably arranged on the hanger frame (23), an integration box (15) is arranged in the hanger, and the hanger and the integration box (15) are fixedly connected through a bolt I; an installation groove is formed in the integration box (15), a frame-shaped supporting plate (16) is arranged in the installation groove, the projector (18) is fixedly arranged on the supporting plate (16) through a bolt II, and at least two rows of sliding rails (17) are arranged between the supporting plate (16) and a lower panel of the installation groove; the track of the sliding rail (17) is fixedly arranged on the lower panel of the mounting groove, and the track wheel of the sliding rail (17) is fixedly arranged at the lower part of the supporting plate (16); the integrated box (15) is provided with a limiting component (19) for preventing the supporting plate (16) from accidentally slipping out when the supporting plate is static.

5. The interactive apparatus of claim 4, wherein: the limiting component (19) comprises a square inserting ring and an I-shaped limiting plate, the square inserting ring is fixedly arranged on the integrated box (15) above the mounting groove, the I-shaped limiting plate is movably inserted into the square inserting ring up and down, and the lower end of the I-shaped limiting plate is lower than the upper end surface of the projector (18).

6. The interactive apparatus of a multimedia projector as claimed in claim 5, wherein: the integration box (15) is provided with a wire inserting hole (20) and a USP interface (21).

7. The interactive device of the multimedia projector as claimed in claim 6, wherein the hanger comprises a hanging plate (11) and two L-shaped hook plates (14), the middle of the hanging plate (11) is rotatably arranged on the hanging frame (23), the left and right ends of the hanging plate (11) are rotatably connected with the upper ends of the hook plates (14) through hinges, and the upper part of the integration box (15) is fixedly connected with the hanging plate (11) through a bolt I.

8. The interactive apparatus of claim 7, wherein: the lower part of an output shaft of the forward and reverse rotating motor (10) is provided with an external thread, a baffle plate (12) is fixedly installed on the external thread of the output shaft through a thread, the middle part of the hanging frame (23) is provided with a shaft hole matched with the output shaft, the inner diameter of the shaft hole is larger than the diameter of the output shaft, the hanging frame (23) is arranged on the output shaft in a vertical sliding mode through the shaft hole, the upper part of the output shaft is provided with a wedge sleeve (13) used for fixing the hanging frame (23) in a sliding mode, and the wedge sleeve (13) is inserted between the.

9. The interactive apparatus of claim 8, wherein: the left side of jib I (2) is fixed to be equipped with and is used for restricting the spacing pin (24) of scalable horizontal beam rotation angle scope, and spacing pin (24) are parallel to each other with scalable sloping.