CN219606571U - Projection box for video conference - Google Patents

Abstract

The projection box for the video conference comprises a base, wherein an installation groove is formed in the upper side of the base, a supporting plate is hinged to the upper portion of the left side wall of the installation groove, the lower side of the supporting plate is of an inclined structure, the left portion of the lower side of the supporting plate is higher than the right portion of the lower side of the supporting plate, a threaded shaft is rotatably connected between the middle portions of the left side wall and the right side wall of the installation groove, the right end of the threaded shaft penetrates out of the base in a rotating mode and is connected with a rotating handle, a nut is movably arranged on the outer side of the threaded shaft, a U-shaped frame is connected to the upper side of the nut, and two groups of sliding grooves matched with the front side wall and the rear side wall of the U-shaped frame in an inserting mode are formed in the lower side of the supporting plate; compared with the prior art, the utility model has the advantages that: the U-shaped frame slides in the sliding groove to limit the nut, and the nut is driven to move through the rotation of the threaded shaft, so that the U-shaped frame is driven to move, the supporting plate is driven to conduct angle adjustment, the projector inside the circular frame is driven to conduct angle adjustment, and the projection height of the projector is adjusted.

Description

Projection box for video conference

Technical Field

The utility model relates to the technical field of metallurgical equipment, in particular to a projection box for a video conference.

Background

Projector, also called projector, is a device capable of projecting images or video onto a curtain, and playing corresponding video signals by connecting different interfaces with computers, VCDs, DVDs, game machines, DVs, etc., and is widely used in homes, offices, schools, and entertainment places.

The basic principle of the projector is to enlarge the outline of the workpiece by using an optical element and then project it onto a screen. The projector is often used in the video conference at present, and to the projection angle of projector need often adjust, especially important just the regulation of horizontal angle, traditional angle modulation is through articulated pivoted mode, uses articulated department easily not hard up for a long time, and the supporting effect is not good, can not be effective accurate adjust suitable angle, in this regard need design a projection box for video conference in order to solve above-mentioned problem.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a projection box for a video conference, which comprises a base, wherein an installation groove is formed in the upper side of the base, a supporting plate is hinged to the upper part of the left side wall of the installation groove, the lower side of the supporting plate is of an inclined structure, the lower left part of the supporting plate is higher than the right part, threaded shafts are rotatably connected between the middle parts of the left side wall and the right side wall of the installation groove, the right ends of the threaded shafts penetrate through the base in a rotating way and are connected with rotating handles, nuts are movably arranged on the outer sides of the threaded shafts, U-shaped frames are connected on the upper sides of the nuts, balls are rotatably embedded in the upper sides of the front side wall and the rear side wall of each U-shaped frame, and two groups of sliding grooves matched with the front side wall and the rear side wall of each U-shaped frame in an inserting way are formed in the lower side of the supporting plate;

the round frame is arranged on the upper side of the supporting plate, and the projector is arranged in the round frame in a rotating connection mode.

As an improvement: the inside of the circular frame is provided with a disc, the projector is arranged on the upper side of the disc, a supporting pile is rotationally connected between the center of the lower side of the disc and the center of the bottom of the circular frame, a plurality of groups of limiting blocks are connected on the upper side of the disc, the limiting blocks are respectively positioned at the outer sides of the projectors and are in contact with the outer sides of the projectors, and limiting mechanisms are connected and arranged at the edges of the upper sides of the discs and the rear sides of the projectors.

As an improvement: the limiting mechanism comprises a vertical plate which is positioned on the upper side of the disc and connected with the edge of the rear side of the projector, a telescopic rod is connected with the upper portion of one side of the vertical plate, which is far away from the projector, a clamping plate is connected with the other end of the telescopic rod, a spring is connected between the vertical plate and the clamping plate and positioned on the outer side of the telescopic rod, and an anti-slip pad is connected with the lower portion of one side of the clamping plate, which is positioned on the outer side of the circular frame and is close to the circular frame.

As an improvement: one side of the clamping plate far away from the round frame is connected with a pull ring.

As an improvement: the upper parts of the left side wall and the right side wall of the base are respectively connected with a handle.

Compared with the prior art, the utility model has the advantages that: the U-shaped frame slides in the sliding groove to limit the nut, the nut is driven to move through the rotation of the threaded shaft, so that the U-shaped frame is driven to move, the lower side of the supporting plate is of an inclined structure, the left part is higher than the right part, and when the U-shaped frame moves left and right, the supporting plate is driven to conduct angle adjustment, so that the projector inside the circular frame is driven to conduct angle adjustment, and the projection height of the projector is adjusted;

the disc can rotate in the circular frame through the support pile to adjust the horizontal projection position of the projector, and the disc can be limited through the limiting mechanism, so that the disc is prevented from rotating in the projection process, and the projection position is changed.

Drawings

Fig. 1 is a schematic structural view of a projection box for video conference according to the present utility model;

reference numeral control table:

1. a base; 2. a mounting groove; 3. a support plate; 4. a threaded shaft; 5. a rotating handle; 6. a nut; 7. a U-shaped frame; 8. a ball; 9. a chute; 10. a circular frame; 11. a disc; 12. supporting piles; 13. a projector; 14. a limiting block; 15. a riser; 16. a telescopic rod; 17. a clamping plate; 18. a spring; 19. an anti-slip pad; 20. a pull ring; 21. a handle.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings.

As shown in fig. 1, a projection box for video conference comprises a base 1, the base 1 upside is equipped with mounting groove 2, mounting groove 2 left side wall upper portion articulates and is equipped with backup pad 3, backup pad 3 upside installation is equipped with circular frame 10, circular frame 10 inside rotates to be connected and is equipped with projecting apparatus 13, circular frame 10 inside is equipped with disc 11, projecting apparatus 13 installs in disc 11 upside, disc 11 downside centre of a circle department is connected with circular frame 10 bottom centre of a circle department between rotating and is equipped with support stake 12, disc 11 upside is connected and is equipped with multiunit stopper 14, multiunit stopper 14 are located the projecting apparatus 13 outside respectively and contact with the projecting apparatus 13 outside, the edge that disc 11 upside just is located projecting apparatus 13 rear side is connected and is equipped with stop gear, places projecting apparatus 13 in disc 11 upside to carry out spacingly to projecting apparatus 13 through stopper 14, rotate disc 11, adjust upside projecting apparatus 13 to suitable horizontal projection position, carries out spacingly with disc 11 through stop gear.

The limiting mechanism comprises a vertical plate 15 which is positioned on the upper side of a disc 11 and is positioned at the edge of the rear side of a projector 13, a telescopic rod 16 is connected to the upper portion of one side, far away from the projector 13, of the vertical plate 15, a clamping plate 17 is connected to the other end of the telescopic rod 16, a spring 18 is arranged between the vertical plate 15 and the clamping plate 17 and is positioned on the outer side of the telescopic rod 16, the clamping plate 17 is positioned on the outer side of a circular frame 10 and is close to the lower portion of one side of the circular frame 10, a non-slip mat 19 is arranged on the lower portion of one side, far away from the circular frame 10, of the clamping plate 17, and a pull ring 20 is arranged on the side, far away from the circular frame 10, of the clamping plate 17. The action principle of the limiting mechanism: the pull ring 20 is hooked by fingers, the clamping plate 17 is driven to be far away from the circular frame 10 by pulling the pull ring 20, the anti-slip pad 19 is not contacted with the outer side of the circular frame 10, the spring 18 is unfolded, the disc 11 can be rotated at the moment, after the position of the disc 11 is adjusted, the pull ring 20 is loosened, the spring 18 is retracted, the clamping plate 17 is driven to move towards the direction of the circular frame 10, the anti-slip pad 19 is tightly attached to the outer wall of the disc 11, the disc 11 is tightly attached to the anti-slip pad 19, the disc 11 is prevented from rotating randomly, the limiting effect on the disc 11 is achieved, and in actual use, the fact that the disc 11 is not required to be fixed is found.

The utility model discloses a support plate, including backup pad 3, mounting groove 2, nut, support plate 3 downside is the slope structure, backup pad 3 downside left portion height is higher than right part height, rotate between mounting groove 2 left and right sides wall middle part and be connected and be equipped with screw thread axle 4, screw thread axle 4 right-hand member rotates and wears out base 1 and connect and be equipped with rotation handle 5, screw thread axle 4 outside removes and is equipped with 6, nut 6 upside is connected and is equipped with U type frame 7, both sides wall upside rotates respectively around U type frame 7 and imbeds and be equipped with ball 8, backup pad 3 downside is equipped with two sets of cooperation U type frame 7 front and back lateral wall and inserts gliding spout 9. The U-shaped frame 7 slides in the sliding groove 9 to limit the nut 6, the nut 6 is driven to move through the rotation of the threaded shaft 4, so that the U-shaped frame 7 is driven to move, the lower side of the supporting plate 3 is of an inclined structure, the left part is higher than the right part, and when the U-shaped frame 7 moves left and right, the supporting plate 3 is driven to perform angle adjustment, so that a projector in the circular frame is driven to perform angle adjustment, and the projection height of the projector is adjusted;

the upper parts of the left and right side walls of the base 1 are respectively connected with handles 21, and the projection box is convenient to carry through the two groups of handles 21.

The above description is illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, but is to be accorded the full scope of the claims.

Claims (6)

1. The utility model provides a projection box for video conferencing, includes base (1), its characterized in that: the novel multifunctional lifting device is characterized in that an installation groove (2) is formed in the upper side of the base (1), a supporting plate (3) is hinged to the upper portion of the left side wall of the installation groove (2), the lower side of the supporting plate (3) is of an inclined structure, the left portion of the lower side of the supporting plate (3) is higher than the right portion of the lower side of the supporting plate, a threaded shaft (4) is rotatably connected between the middle portions of the left side wall and the right side wall of the installation groove (2), the right end of the threaded shaft (4) rotatably penetrates through the base (1) and is connected with a rotating handle (5), a nut (6) is movably arranged on the outer side of the threaded shaft (4), a U-shaped frame (7) is connected to the upper side of the nut (6), and sliding grooves (9) are formed in the front and rear side walls of the two groups of the supporting plate (3) in an inserted mode;

the round frame (10) is arranged on the upper side of the supporting plate (3), and the projector (13) is rotatably connected inside the round frame (10).

2. A projector cassette for videoconferencing according to claim 1, wherein: the upper sides of the front side wall and the rear side wall of the U-shaped frame (7) are respectively and rotatably embedded with balls (8).

3. A projector cassette for videoconferencing according to claim 1, wherein: the utility model discloses a projector, including circular frame (10), disc (11), projecting apparatus (13), disc (11) are installed in disc (11) upside, rotate between disc (11) downside centre of a circle department and circular frame (10) bottom center department and be connected and be equipped with support stake (12), disc (11) upside connection is equipped with multiunit stopper (14), multiunit stopper (14) are located projecting apparatus (13) outside and contact with projecting apparatus (13) outside respectively, disc (11) upside just is located the edge connection of projecting apparatus (13) rear side and is equipped with stop gear.

4. A projector box for video conferences as claimed in claim 3, wherein: stop gear is including being located disc (11) upside and being located riser (15) that the edge of projecting apparatus (13) rear side was connected, one side upper portion connection that projecting apparatus (13) was kept away from to riser (15) is equipped with telescopic link (16), the connection of telescopic link (16) other end is equipped with splint (17), between riser (15) and splint (17) and be located telescopic link (16) outside connection and be equipped with spring (18), splint (17) are located circular frame (10) outside and are close to one side lower part connection of circular frame (10) and are equipped with slipmat (19).

5. The projector box for video conferences of claim 4, wherein: one side of the clamping plate (17) far away from the round frame (10) is connected with a pull ring (20).

6. A projector cassette for videoconferencing according to claim 1, wherein: the upper parts of the left side wall and the right side wall of the base (1) are respectively connected with a handle (21).