CN210348854U - Display device for video production - Google Patents

Abstract

The utility model discloses a display device is used in video preparation, including winding mechanism, tightening mechanism, driving motor and loading board, be equipped with projection cloth on the terminal surface before the loading board, projection cloth slides down along winding mechanism, all be provided with the tightening mechanism with projection cloth and loading board joint on the both sides limit wall of loading board, tightening mechanism includes at least that the frame that links to each other with the loading board outer wall is fixed and slide and stretch into to the inside L shape clamp splice of frame, the clamp splice is kept away from the one end of frame and is pressed from both sides the surface of tightly and laminating projection cloth, the clamp splice stretches into to the inside one of frame and serves to articulate to have the swing piece, swing piece perpendicular to clamp splice to contact with the stopper, the stopper is fixed to be set up on the connecting plate, with swing piece height parallel and level, be in on same water flat line. The display equipment for video production has the advantages of reasonable structure, convenience in use, strong functionality and wide popularization.

Description

Display device for video production

Technical Field

The utility model belongs to the technical field of the video broadcast, concretely relates to display device is used in video preparation.

Background

With the progress of society and the continuous development of the era, watching videos becomes a way for people to spare time and entertain life, video playing refers to software capable of playing videos stored in a digital signal form and also refers to electronic device products with a video playing function, most video players carry decoders to restore compressed media files, a whole set of conversion frequency and buffering algorithms are also required to be built in the video players, and of course, most video players can also support playing audio files.

However, since the media era is developed, more and more people like to make video releases by themselves, how to make delicate videos also needs to be learned, most of the existing teaching display equipment for video making adopt public class projection modes for teaching, most of the existing projections are fixedly hung indoors and cannot be moved, and the teaching range is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display device is used in video preparation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a display device for video production comprises a winding mechanism, a tightening mechanism, a driving motor and a bearing plate, wherein a projection cloth is arranged on the front end face of the bearing plate and slides down along the winding mechanism, tightening mechanisms for clamping the projection cloth and the bearing plate are arranged on the side walls of two sides of the bearing plate, each tightening mechanism at least comprises an outer frame fixedly connected with the outer wall of the bearing plate and an L-shaped clamping block extending into the outer frame in a sliding manner, one end of each clamping block, far away from the outer frame, clamps and fits the surface of the projection cloth, one end, extending into the outer frame, of each clamping block is hinged with a swinging block, the swinging block is perpendicular to the clamping blocks and is in contact with a limiting block, the limiting blocks are fixedly arranged on connecting plates, are level with the height of the swinging blocks and are on the same level line, the connecting plates are arranged on the inner side of the outer frame and close to one side of the side wall of the outer frame, the bolt penetrates through the side wall of the outer frame and is in threaded connection with the side wall, the bolt rotates to drive the connecting plate to move, a hole for the clamping block to penetrate through is formed in the outer frame, a side plate is further arranged on the side wall of the bearing plate in a sliding mode and slides towards the inside along the side wall of the bearing plate, and the bearing plate is of a hollow structure with an opening in one side.

Preferably, the clamp splice stretches into still perpendicular welding has the fixed block on the inside one end lateral wall of frame, the one side that the frame trompil was kept away from to the fixed block links to each other with the one end stationary phase of spring, the spring level sets up, and the inner wall of other end fixed connection frame.

Preferably, the end, opposite to the fixed block, of the side wall of the clamping block is welded with an ejecting block of an L-shaped structure, and the other end of the ejecting block is abutted to the swinging block.

Preferably, the winding mechanism is at least including the horizontal frame of fixed setting in loading board upper end to and the driving motor of installation at horizontal frame avris, driving motor's output shaft links to each other with the one end of connecting axle, and the connecting axle rotates the inside that sets up at horizontal frame, and the outside winding of connecting axle has projection cloth.

Preferably, the bottom end face of the bearing plate is fixedly connected with the upper surface of an electric telescopic rod, and the electric telescopic rod is vertically arranged.

Preferably, the bottom of the bearing plate is also provided with a bottom plate fixedly connected with the bottom end face of the electric telescopic rod.

The utility model discloses a technological effect and advantage: this display device is used in video preparation, setting through bottom plate and electric telescopic handle, this display device of portable regulation, not only confine to and use in fixed place, effectively promote the teaching scope of video preparation, drive projection cloth through winding mechanism and withdraw or expand, and fix projection cloth through tightening mechanism, avoid it to receive the influence swing of environment wind-force, guarantee the stability of teaching, setting through the curb plate is when teaching, still can assist the teaching through writing, promote the teaching quality, this display device is used in video preparation, rational in infrastructure, high durability and convenient use, and is functional, can extensively promote.

Drawings

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

fig. 2 is a top view of the tightening mechanism of the present invention;

fig. 3 is the structural schematic diagram of the winding mechanism of the utility model.

In the figure: 1 winding mechanism, 2 bottom plates, 3 electric telescopic rods, 4 tightening mechanisms, 5 side plates, 6 bearing plates, 7 projection cloth, 8 springs, 9 fixing blocks, 10 outer frames, 11 connecting plates, 12 limiting blocks, 13 bolts, 14 swinging blocks, 15 top blocks, 16 clamping blocks, 17 driving motors, 18 connecting shafts and 19 transverse frames.

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.

The utility model provides a display device for video production as shown in figures 1-3, which comprises a rolling mechanism 1, a tightening mechanism 4, a driving motor 17 and a bearing plate 6, wherein the front end surface of the bearing plate 6 is provided with a projection cloth 7, the projection cloth 7 slides down along the rolling mechanism 1, the two side walls of the bearing plate 6 are both provided with the tightening mechanism 4 for clamping the projection cloth 7 and the bearing plate 6, the tightening mechanism 4 at least comprises an outer frame 10 fixedly connected with the outer wall of the bearing plate 6 and an L-shaped clamping block 16 extending into the outer frame 10 in a sliding way, one end of the clamping block 16 far away from the outer frame 10 is clamped and attached to the surface of the projection cloth 7, one end of the clamping block 16 extending into the outer frame 10 is hinged with a swinging block 14, the swinging block 14 is vertical to the clamping block 16 and contacts with a limit block 12, the limit block 12 is fixedly arranged on a connecting plate 11, with swing piece 14 high parallel and level, be in same water flat line, connecting plate 11 sets up the inside avris at frame 10 to be close to the one side of frame 10 limit wall on the middle part rotate the one end of connecting bolt 13, bolt 13 passes the side wall of frame 10 and threaded connection with it, bolt 13 rotates and drives connecting plate 11 and remove, set up on the frame 10 and put the hole that supplies clamp splice 16 to pass, it is provided with curb plate 5 still to slide on the side wall of loading board 6, curb plate 5 slides towards inside along the side wall of loading board 6, loading board 6 is the inside hollow structure of one side opening, through bottom plate 2 and electric telescopic handle 3's setting, this display device of portable regulation, not only confine to the use in fixed place.

Specifically, the clamp splice 16 stretches into still vertical welding has fixed block 9 on the inside one end lateral wall of frame 10, the one side that frame 10 trompil was kept away from to fixed block 9 links to each other with the one end stationary phase of spring 8, spring 8 level sets up, and other end fixed connection frame 10's inner wall, spring 8's pulling force can pull back clamp splice 16.

Specifically, the end, opposite to the fixed block 9, of the side wall of the clamping block 16 is welded with an ejector block 15 of an L-shaped structure, the other end of the ejector block 15 is abutted to the swinging block 14, and the swinging block 14 is abutted to the ejector block 15.

Specifically, winding mechanism 1 is including fixed horizontal frame 19 that sets up in loading board 6 upper end at least to and at the driving motor 17 of horizontal 19 avris installations, driving motor 17's output shaft links to each other with the one end of connecting axle 18, and connecting axle 18 rotates the inside that sets up at horizontal frame 19 to the outside winding of connecting axle 18 has projection cloth 7, and it rotates to drive connecting axle 18 through driving motor 17 is reverse, packs up projection cloth 7.

Specifically, the bottom face fixed connection electric telescopic handle 3's of loading board 6 upper surface, the vertical setting of electric telescopic handle 3 adjusts the height of loading board 6 as required through electric telescopic handle 3.

Specifically, the bottommost portion of the bearing plate 6 is further provided with a bottom plate 2 fixedly connected with the bottom end face of the electric telescopic rod 3, and the bottom of the bottom plate 2 is provided with universal wheels.

Specifically, when the display device for video production is used, firstly, the display device is moved to a position needing teaching through the bottom plate 2, the driving motor 17 is started to drive the connecting shaft 18 to rotate, the projection cloth 7 is put down, at the moment, two sides of the projection cloth 7 penetrate through the inner part of the clamping block 16, after the projection cloth 7 is placed, the rotating bolt 13 drives the connecting plate 11 to move, the limiting block 12 is driven to be away from the swinging block 14, when the limiting block 12 is not in contact with the swinging block 14, the clamping block 16 is pulled back by the tensile force of the spring 8, the projection cloth 7 is clamped on the bearing plate 6, after the projection cloth 7 is fixed, the height of the bearing plate 6 is adjusted through the electric telescopic rod 3 according to needs, a teaching video produced by a projector is projected on the projection cloth 7 to be played, the side plate 5 can be pulled out for writing teaching in the teaching, after the teaching is completed, the clamping block 16 is, at this point, spring 8 is stretched and, when oscillating piece 14 comes into contact with limit block 12, since oscillating piece 14 is hinged, and therefore will slide over stopper 12, as swing block 14 moves to the other end of stopper 12, releasing clamp block 16, the clamping block 16 is pulled back by the pulling force of the spring 8, at this time, the swinging block 14 is abutted by the top block 15 and cannot swing, the swinging block 14 is abutted between the limit block 12 and the top block 15 (as shown in fig. 2), in other words, the swinging block 14 can only swing when the clamping block 16 is stretched and cannot swing when the clamping block 16 is retracted, after the clamping block 16 is stretched, the driving motor 17 reversely drives the connecting shaft 18 to rotate, the projection cloth 7 is collected, at this time, the electric telescopic rod 3 is contracted to move the display equipment, the bottom of the bottom plate 2 is provided with universal wheels, the display equipment for video production has the advantages of reasonable structure, convenience in use, strong functionality and wide popularization.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a display device for video preparation, includes winding mechanism (1), tightening mechanism (4), driving motor (17) and loading board (6), its characterized in that: the front end face of the bearing plate (6) is provided with a projection cloth (7), the projection cloth (7) slides down along the rolling mechanism (1), the side walls of two sides of the bearing plate (6) are respectively provided with a tightening mechanism (4) for clamping the projection cloth (7) and the bearing plate (6), the tightening mechanism (4) at least comprises an outer frame (10) fixedly connected with the outer wall of the bearing plate (6) and an L-shaped clamping block (16) extending into the outer frame (10) in a sliding manner, one end, far away from the outer frame (10), of the clamping block (16) is clamped and attached to the surface of the projection cloth (7), one end, extending into the outer frame (10), of the clamping block (16) is hinged with a swinging block (14), the swinging block (14) is perpendicular to the clamping block (16) and is in contact with a limiting block (12), the limiting block (12) is fixedly arranged on the connecting plate (11) and is flush with the swinging block (14), on the same water flat line, connecting plate (11) set up the inside avris at frame (10) to be close to frame (10) side wall one side on the middle part rotate the one end of connecting bolt (13), bolt (13) pass the side wall of frame (10) and threaded connection with it, bolt (13) rotate and drive connecting plate (11) and remove, set up on frame (10) and put the hole that supplies clamp splice (16) to pass, still slide on the side wall of loading board (6) and be provided with curb plate (5), curb plate (5) slide towards inside along the side wall of loading board (6), loading board (6) are the inside hollow structure of one side opening.

2. A display apparatus for video production according to claim 1, wherein: the clamp splice (16) stretch into still vertical welding have fixed block (9) to frame (10) inside one end lateral wall on, the one side that frame (10) trompil was kept away from in fixed block (9) links to each other with the one end stationary phase of spring (8), spring (8) level sets up, the inner wall of other end fixed connection frame (10).

3. A display apparatus for video production according to claim 1, wherein: the side wall of the clamping block (16) is opposite to one end of the fixed block (9), an ejecting block (15) with an L-shaped structure is welded to the side wall of the clamping block, and the other end of the ejecting block (15) is abutted to the swinging block (14).

4. A display apparatus for video production according to claim 1, wherein: winding mechanism (1) is including fixed horizontal frame (19) that sets up in loading board (6) upper end at least to and driving motor (17) at horizontal frame (19) avris installation, the output shaft of driving motor (17) links to each other with the one end of connecting axle (18), and connecting axle (18) rotate and set up the inside at horizontal frame (19), and connecting axle (18) outside winding has projection cloth (7).

5. A display apparatus for video production according to claim 1, wherein: the bottom end face of the bearing plate (6) is fixedly connected with the upper surface of the electric telescopic rod (3), and the electric telescopic rod (3) is vertically arranged.

6. A display apparatus for video production according to claim 1, wherein: the bottommost part of the bearing plate (6) is also provided with a bottom plate (2) fixedly connected with the bottom end face of the electric telescopic rod (3).

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