CN211624732U - Projector for broadcasting and television editing and guiding - Google Patents

Abstract

The utility model belongs to the field of projection equipment, in particular to a projector for broadcasting and television editing and directing. Most of the projectors used for existing broadcasting and television editing and directing are of fixed type. After the installation of the projector is completed, it can only be used in one place. It is relatively poor and cannot meet the problem of flexible use by TV editors. Now, the following solution is proposed, which includes a bottom plate, a fixed block is fixedly installed on the top of the bottom plate, a cavity is arranged on the fixed block, and the bottom inner wall of the cavity is A vertical shaft is rotatably installed on the upper side, a threaded block is threadedly connected to the outer side of the vertical shaft, two symmetrically arranged support rods are fixedly installed at the bottom of the threaded block, and slide plates are slidably installed on the inner walls of both sides of the chamber. The tops of the two support rods are fixedly installed with the bottom of the slide plate. Compared with the fixed projector, the utility model does not limit the orientation of the projector. The projector has good flexibility and can meet the needs of TV editors.

Description

A projector for broadcasting and television editing and directing

technical field

The utility model relates to the technical field of projection equipment, in particular to a projector for editing and directing radio and television.

Background technique

A projector is a device that can project images or videos onto a screen. It can be connected to a computer, VCD, DVD, game console, DV, etc. through different interfaces to play the corresponding video signal. It is widely used in homes, offices, schools, and schools. and entertainment venues. The basic principle of the projector is to use optical elements to enlarge the shape and outline of the workpiece, and then project it onto the screen.

Most of the projectors used by existing radio and television directors are fixed, such as the authorization document with the announcement number CN208270914U. After the projector is installed, it can only be used in one place, and its flexibility is poor and cannot meet the flexible use of TV directors. Therefore, we propose a projector for broadcasting and television editing and directing to solve the above-mentioned problems.

Utility model content

The purpose of this utility model is to solve the problem that in the prior art, most of the projectors used by radio and television editors are of fixed type, and the projector can only be used in one place after the installation is completed, and its flexibility is poor and cannot meet the flexible use of television editors and directors. The disadvantage is that a projector for broadcasting and television editing and directing is proposed.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A projector for broadcasting and television editing and directing, comprising a base plate, a fixing block is fixedly installed on the top of the base plate, a cavity is arranged on the fixing block, a vertical shaft is rotatably installed on the inner wall of the bottom of the cavity, and the vertical shaft is rotatably installed. The outer side of the shaft is threadedly connected with a threaded block, the bottom of the threaded block is fixedly installed with two symmetrically arranged support rods, the inner walls of both sides of the chamber are slidably installed with slide plates, and the tops of the two support rods are both connected with the slide plate. The bottom is fixedly installed, the bottom of the slide plate is rotatably installed with a moving column, the bottom of the moving column penetrates the top inner wall of the chamber and extends to the top of the fixed block, and the top of the moving column is movably installed with a clamping block, the clamping block The top of the detachable movable card is equipped with a projector, and a drive assembly is driven and connected to the vertical shaft.

Preferably, the drive assembly includes an electric push rod fixedly installed on the inner wall of the bottom of the chamber, a rack is fixedly installed at one end of the output shaft of the electric push rod, a gear is fixedly sleeved on the outer side of the vertical shaft, and the gear It meshes with the rack, and a limit plate is slidably installed on the bottom inner wall of the chamber, and one side of the limit plate and one side of the rack are fixedly installed. The electric push rod is equipped with a remote control for the purpose of convenient operation. The models of electric actuators and remote controls can be selected according to actual needs.

Preferably, the top of the moving column is provided with a through slot, the inner walls on both sides of the through slot are rotatably installed with the same movable shaft, the top of the movable shaft is fixedly installed with a triangular plate, and the top of the triangular plate extends to the movable column Above, the top of the triangular plate and the bottom of the clamping block are fixedly installed, which is convenient to adjust the vertical projection angle of the projector.

Preferably, a T-shaped turntable is rotatably installed on the bottom of the slide plate, and the top of the T-shaped turntable and the bottom of the moving column are fixedly installed, and a positioning block is fixedly installed on the top of the vertical shaft, and the positioning block is located above the threaded block, The angle of the projector can be rotated to meet the needs of use.

Preferably, the bottom four corners of the bottom plate are provided with brake wheels, the top of the block is provided with a card slot, and the bottom of the projector extends to the inside of the card slot and can be detached from the card slot. Handle the projector.

In the present utility model, the rotational friction force between the movable shaft and the through groove is greater than the sum of the weight of the block and the projector. Therefore, under the action of non-human power, the projection angle of the projector is constant, and the TV director needs to operate at different times. When using the projector in the orientation, first use the brake wheel at the bottom of the base plate to move the projector to the orientation of use, and adjust the height of the projector according to the height of the curtain of different applicable ranges. The rack moves laterally with the output shaft of the electric push rod. The vertical axis is rotated through the meshing relationship between the rack and the gear, and the height of the projector is adjusted through the threaded block. The purpose of this setting is to The projector can be self-locked at any height, and the stability of the projector can be improved. When the angle of the projector needs to be adjusted, the vertical angle adjustment of the projector can be completed by performing an upward or downward arc movement of the action block. To meet the needs of TV choreographers, compared with fixed projectors, the orientation of the projector is not limited, and the projector has good flexibility and can meet the needs of TV choreographers;

In order to solve the problem that the projector and the clamping block cannot be rotated after they are installed, the movable column, the clamping block and the projector can be rotated through the T-shaped turntable arranged at the bottom of the movable column, which greatly improves the practicability;

In order to solve the problem that the longitudinal angle of the projector cannot be adjusted, the projection angle of the projector can be changed under the action of manpower through the through slot opened at the top of the moving column and the movable shaft arranged inside the through slot, which has strong applicability.

Description of drawings

1 is a perspective view of a partial structure of a projector for broadcasting and television editing and directing proposed by the utility model;

2 is a schematic structural diagram of a projector for broadcasting and television editing and directing proposed by the utility model;

FIG. 3 is an enlarged schematic view of the structure of part A in FIG. 2 of a projector for broadcasting and television editing and directing proposed by the utility model.

In the picture: 1 base plate, 2 brake wheels, 3 fixed blocks, 4 chambers, 5 electric push rods, 6 racks, 7 vertical shafts, 8 gears, 9 threaded blocks, 10 struts, 11 skateboards, 12 T-shaped turntables, 13 moving columns, 14 through slots, 15 movable shafts, 16 triangular plates, 17 clamping blocks, 18 projectors.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Example 1

1-3, a radio and television editing and directing projector includes a base plate 1, a fixed block 3 is fixedly installed on the top of the base plate 1, a cavity 4 is arranged on the fixed block 3, and a bottom inner wall of the cavity 4 is rotatably installed. The vertical shaft 7, the outer side of the vertical shaft 7 is threadedly connected with a threaded block 9, the bottom of the threaded block 9 is fixedly installed with two symmetrically arranged support rods 10, the inner walls of both sides of the chamber 4 are slidably installed with sliding plates 11, the two support rods The top of the rod 10 is fixedly installed with the bottom of the sliding plate 11, and the bottom of the sliding plate 11 is rotatably installed with a moving column 13. The bottom of the moving column 13 penetrates the top inner wall of the chamber 4 and extends to the top of the fixed block 3, and the bottom of the moving column 13 is installed. A clamping block 17 is movably installed on the top, the top of the clamping block 17 can be detached from the movable clamping and a projector 18 is installed, and a driving assembly is connected to the vertical shaft 7 in a driving manner.

Among them, the rotational friction force between the movable shaft 15 and the through groove 14 is greater than the sum of the weights of the block 17 and the projector 18. Therefore, under the action of non-human power, the projection angle of the projector 18 is constant, and the TV director needs to When using the projector 18 in different directions, first use the brake wheel 2 at the bottom of the base plate 1 to move the projector 18 to the use position, and adjust the height of the projector 18 according to the height of the curtain in different applicable ranges. The start switch of the push rod 5 makes the rack 6 follow the output shaft of the electric push rod 5 to move laterally, and the rotation of the vertical shaft 7 is realized through the meshing relationship between the set rack 6 and the gear 8, and then the set threaded block 9 To achieve the purpose of adjusting the height of the projector 18, the purpose of this setting is to enable the projector 18 to self-lock at any height and improve the stability of the use of the projector 18. When the angle of the projector 18 needs to be adjusted, the action block 17 is used for The adjustment of the longitudinal angle of the projector 18 can be accomplished by moving upward or downward in an arc, which can meet the needs of TV directors. Compared with the fixed projector 18, the orientation of the projector 18 is not limited, and the projector 18 has good flexibility. , to meet the needs of TV editors and directors.

In this embodiment, in order to solve the problem that the projector 18 and the clamping block 17 cannot be rotated after they are assembled, the movable column 13, the clamping block 17 and the projector 18 can Rotation is carried out, which greatly improves the implementability.

On the basis of Embodiment 1, the following further improvements are made:

Embodiment 2

In the present utility model, the drive assembly includes an electric push rod 5 fixedly installed on the inner wall of the bottom of the chamber 4, one end of the output shaft of the electric push rod 5 is fixedly installed with a rack 6, and the outer side of the vertical shaft 7 is fixedly sleeved with a gear 8, And the gear 8 and the rack 6 are engaged, a limit plate is slidably installed on the bottom inner wall of the chamber 4, and one side of the limit plate and one side of the rack 6 are fixedly installed, and the electric push rod 5 is equipped with a remote control. For the convenience of operation, the model of the electric push rod 5 and the remote control can be selected according to actual needs.

In the present invention, the top of the moving column 13 is provided with a through slot 14, the inner walls of both sides of the through slot 14 are rotatably installed with the same movable shaft 15, the top of the movable shaft 15 is fixedly installed with a triangular plate 16, and the top of the triangular plate 16 extends Above the moving column 13 , the top of the triangular plate 16 and the bottom of the clamping block 17 are fixedly installed, which facilitates adjustment of the longitudinal projection angle of the projector 18 .

In the present invention, a T-shaped turntable 12 is rotatably installed on the bottom of the sliding plate 11, and the top of the T-shaped turntable 12 and the bottom of the moving column 13 are fixedly installed, and a positioning block is fixedly installed on the top of the vertical shaft 7, and the positioning block is located on the threaded block. Above 9, the angle of the projector 18 can be rotated to meet the needs of use.

In the present invention, the bottom four corners of the bottom plate 1 are provided with brake wheels 2, the top of the clamping block 17 is provided with a clamping slot, and the bottom of the projector 18 extends to the interior of the clamping slot and can be detached from the clamping slot. The projector 18 is handled and placed.

In this embodiment, in order to solve the problem that the longitudinal angle of the projector 18 cannot be adjusted, the projection can be changed under the action of manpower through the through slot 14 opened at the top of the moving column 13 and the movable shaft 15 arranged inside the through slot 14 The projection angle of the instrument 18 has strong applicability.

In the present invention, when the TV director needs to use the projector 18 in different orientations, firstly, use the brake wheel 2 at the bottom of the base plate 1 to move the projector 18 to the orientation of use, and adjust the height of the projector 18 according to the height of the curtain in different orientations of use. , the adjustment process is specifically as follows: press the start switch of the electric push rod 5 to make the rack 6 follow the output shaft of the electric push rod 5 to move laterally, and through the meshing relationship between the rack 6 and the gear 8, the vertical shaft 7 is realized. Rotation, through the threaded connection relationship between the provided threaded block 9 and the vertical shaft 7, the rotation of the vertical shaft 7 can be converted into the longitudinal movement of the threaded block 9, and then the purpose of adjusting the height of the projector 18 is achieved by the provided threaded block 9, so that The purpose of setting is to make the projector 18 self-lock at any height and improve the stability of the projector 18 in use. When the angle of the projector 18 needs to be adjusted, the action block 17 can move upward or downward in an arc. Completing the adjustment of the longitudinal angle of the projector 18 can meet the needs of TV directors. Compared with the fixed projector 18, the orientation of the projector 18 is not limited. The projector 18 has good flexibility and can meet the needs of TV directors.

In the description of the present application, it should also be noted that, unless otherwise expressly specified and restricted, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. A projector for broadcasting and television editing and directing, comprising a base plate (1), wherein a fixed block (3) is fixedly installed on the top of the base plate (1), and a cavity is provided on the fixed block (3) (4), a vertical shaft (7) is rotatably installed on the bottom inner wall of the chamber (4), and a threaded block (9) is threadedly connected to the outer side of the vertical shaft (7). Two symmetrically arranged support rods (10) are fixedly installed at the bottom, slide plates (11) are slidably installed on the inner walls of both sides of the chamber (4), and the tops of the two support rods (10) are both connected to the slide plate (11) The bottom of the slide plate (11) is fixedly installed, and the bottom of the slide plate (11) is rotatably installed with a moving column (13), and the bottom of the moving column (13) penetrates the top inner wall of the chamber (4) and extends to the top of the fixed block (3). , and the top of the moving column (13) is movably installed with a clamping block (17), the top of the clamping block (17) can be detached from the movable clamping and is equipped with a projector (18), and the vertical shaft (7) is driven and connected with a projector (18). drive components. 2 . The projector for broadcasting and television editing and directing according to claim 1 , wherein the driving assembly comprises an electric push rod ( 5 ) fixedly installed on the inner wall of the bottom of the chamber ( 4 ), and the electric push rod A rack (6) is fixedly installed on one end of the output shaft of the rod (5), a gear (8) is fixedly sleeved on the outer side of the vertical shaft (7), and the gear (8) and the rack (6) are engaged, so A limit plate is slidably installed on the bottom inner wall of the chamber (4), and one side of the limit plate and one side of the rack (6) are fixedly installed. 3. A kind of projector for broadcasting and television editing and directing according to claim 1, characterized in that, a through slot (14) is provided on the top of the moving column (13), and inner walls on both sides of the through slot (14) The same movable shaft (15) is rotatably installed on the upper side, and a triangular plate (16) is fixedly installed on the top of the movable shaft (15), and the top of the triangular plate (16) extends to the top of the moving column (13). The top of 16) and the bottom of the clamping block (17) are fixedly installed. 4. A kind of projector for broadcasting and television editing and directing according to claim 1, wherein the bottom of the slide plate (11) is rotatably installed with a T-shaped turntable (12), and the top of the T-shaped turntable (12) and the The bottom of the moving column (13) is fixedly installed, and the top of the vertical shaft (7) is fixedly installed with a positioning block, and the positioning block is located above the threaded block (9). 5. A kind of projector for broadcasting and television editing and directing according to claim 1, wherein the bottom four corners of the bottom plate (1) are all provided with brake wheels (2), and the top of the block (17) is provided with a brake wheel (2). A card slot is opened, and the bottom of the projector (18) extends to the inside of the card slot and can be detached from the card slot and mounted on the card slot.

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