CN214028668U

CN214028668U - Light-resistant long-size imaging screen without splicing

Info

Publication number: CN214028668U
Application number: CN202023031350.4U
Authority: CN
Inventors: 肖晓宇; 黄奇
Original assignee: Shenzhen Guangke Digital Technology Co ltd
Current assignee: Shenzhen Guangke Digital Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-24
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a video picture screen technical field discloses a long-size video picture screen of anti light no concatenation, include the video picture screen, fix the fixed frame in the video picture screen outside to and drag the structure that drags of video picture screen, drag the structure and include: the pull frame is arranged on the back surface of the fixed frame and can be pulled out upwards from the fixed frame; the fixing strip is arranged below the back surface of the fixing frame along the length direction of the fixing frame; be provided with the universal wheel in leading to the groove through the fixed strip of the below of the department of the back of the fixed frame in the video picture screen outside, when carrying this video picture screen, can utilize the axostylus axostyle as the axle center in leading to the groove, the bull stick is rotated on the axostylus axostyle, the universal wheel with bull stick one end is rolled out and is led to the groove and support subaerially, utilize the roll of universal wheel, great having made things convenient for the transport work to this video picture screen, still be provided with in the back department of fixed frame simultaneously and draw the frame, draw the frame and upwards take out on the fixed frame can follow, utilize and draw the frame and conveniently stimulate the universal wheel and roll, time saving and labor saving.

Description

Light-resistant long-size imaging screen without splicing

Technical Field

The utility model relates to a video picture screen technical field specifically is a long-size video picture screen of anti light nothing concatenation.

Background

The image display screen is used for displaying images, is used for providing a larger image display area for watching in a large field and enhancing the watching effect, an image is connected to a specific screen by a projector through tens of millions of optical fibers, and the end of each optical fiber forms a light spot, so that the picture to be displayed can be displayed on the screen.

The existing long-size display screen is troublesome to carry due to the large length of the display screen during carrying, and time and labor are wasted because the display screen is carried by manpower and needs at least two persons for cooperation carrying.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti light does not have long-size video picture screen of concatenation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anti light does not have long-size video picture screen of concatenation, includes the video picture screen, fixes the fixed frame in the video picture screen outside to and drag the structure that drags of video picture screen, drag the structure and include: the pull frame is arranged on the back surface of the fixed frame and can be pulled out upwards from the fixed frame; the fixing strip is arranged below the back surface of the fixing frame along the length direction of the fixing frame, the bottom end surface of the fixing strip and the bottom end surface of the fixing frame are positioned on the same horizontal plane, and through grooves are formed in two ends of the fixing strip; the universal wheel sets up in logical groove, and the universal wheel is installed in the one end of logical groove transfer lever, has passed the axostylus axostyle in the through-hole of universal wheel department on the transfer lever, and the both ends of axostylus axostyle inject in the inner wall in logical groove.

As a further aspect of the present invention: the two sides of the bottom end of the pull frame are connected with pull rods, and the bottom end of each pull rod is connected with one end, far away from the universal wheel, of the rotating rod through a bent rod.

As a further aspect of the present invention: a torsion spring is connected between the position of the shaft lever on the rotating rod and the groove wall of the through groove.

As a further aspect of the present invention: a moving block is arranged on one side of the pull rod close to the lower part, the moving block is arranged on an L-shaped strip in a sliding mode, and the L-shaped strip is installed on the fixed frame.

As a further aspect of the present invention: one end of the moving block, which is far away from the pull rod, is provided with a sliding block, and the sliding block is arranged in a sliding groove formed in the L-shaped strip in a sliding manner.

As a further aspect of the present invention: be provided with the universal wheel in leading to the groove through the fixed strip of the below of the department of the back of the fixed frame in the video picture screen outside, when carrying this video picture screen, can utilize the axostylus axostyle as the axle center in leading to the groove, the bull stick is rotated on the axostylus axostyle, the universal wheel with bull stick one end is rolled out and is led to the groove and support subaerially, utilize the roll of universal wheel, great having made things convenient for the transport work to this video picture screen, still be provided with in the back department of fixed frame simultaneously and draw the frame, draw the frame and upwards take out on the fixed frame can follow, utilize and draw the frame and conveniently stimulate the universal wheel and roll, time saving and labor saving.

Drawings

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

fig. 2 is a schematic structural view of the back of the present invention;

fig. 3 is an enlarged view of the structure at a point a of the present invention.

In the figure: 1. a display screen; 2. a fixing frame; 3. pulling the frame; 4. a pull rod; 5. a curved bar; 6. a fixing strip; 7. a moving block; 8. a slider; 9. a chute; 10. l-shaped strips; 11. a spring; 12. a through groove; 13. a rotating rod; 14. a universal wheel; 15. a shaft rod.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the present invention, an anti-light does not have long-size video picture screen of concatenation, including video picture screen 1, fix the fixed frame 2 in the video picture screen 1 outside to and drag the structure that drags video picture screen 1, drag the structure and include:

the pull frame 3 is arranged on the back surface of the fixed frame 2, and the pull frame 3 can be pulled out upwards from the fixed frame 2;

the fixing strip 6 is arranged below the back surface of the fixing frame 2 along the length direction of the fixing frame, the fixing strip 6 is fastened on the fixing frame 2 through screws, the bottom end surface of the fixing strip 6 and the bottom end surface of the fixing frame 2 are positioned on the same horizontal plane, and through grooves 12 are formed in two ends of the fixing strip 6;

the universal wheel 14 is arranged in the through groove 12, the universal wheel 14 is installed at one end of the rotating rod 13 in the through groove 12, the shaft rod 15 movably penetrates through a through hole at the position of the universal wheel 14 on the rotating rod 13, and two ends of the shaft rod 15 are fixedly inserted into the inner wall of the through groove 12.

As shown in fig. 2, two sides of the bottom end of the pull frame 3 are connected with pull rods 4, and the bottom ends of the pull rods 4 are movably connected with one ends of the rotating rods 13 far away from the universal wheels 14 through bent rods 5.

By adopting the above scheme, the pull frame 3 is upwards pulled out from the fixed frame 2, and when the display screen 1 is dragged to move, the pull frame 3 is upwards pulled out, the rotating rod 13 is pulled to rotate on the shaft rod 15 in the through groove 12 through the pull rod 4 and the curved rod 5, and the universal wheel 14 at one end of the rotating rod 13 is rotated out from the through groove 12

As shown in fig. 2, a torsion spring is connected between the shaft 15 and the wall of the through slot 12 on the rotating rod 13.

By adopting the above scheme, when the rotating rod 13 rotates out of the universal wheel 14, the torsion spring deforms, and the universal wheel 14 at one end of the rotating rod 13 can be automatically taken into the through groove 12 by utilizing the elasticity of the deformed torsion spring when the pull frame 3 moves downwards to the original position.

As shown in fig. 2, a moving block 7 is fixed on one side of the pull rod 4 near the lower part, the moving block 7 is slidably arranged on an L-shaped bar 10, and the L-shaped bar 10 is installed on the fixed frame 2.

As shown in fig. 2, a sliding block 8 is arranged at one end of the moving block 7 away from the pull rod 4, and the sliding block 8 is slidably arranged in a sliding groove 9 formed in an L-shaped strip 10.

By adopting the above scheme, the sliding connection work between the pull rod 4 on the pull frame 3 and the fixed frame 2 can be realized under the condition that the normal pulling-out of the pull frame 3 from the fixed frame 2 is not influenced

As shown in fig. 2, the bottom end of the moving block 7 is connected to an L-shaped bar 10 by a spring 11.

By adopting the scheme, when the pull frame 3 is put down, the pull frame 3 can be automatically pulled to be taken in the back of the fixed frame 2 under the tension of the spring 11.

The utility model discloses a theory of operation is: when video screen 1 needs to be carried, at first, upwards pull out the draw frame 3 at the fixed frame 2 back, draw frame 3 drives pull rod 4 and moves up, movable block 7 drives slider 8 and slides in the spout 9 on L shape strip 10, spring 11 lengthens, and under the effect of knee lever 5, pulling bull stick 13 rotates on axostylus axostyle 15 in logical groove 12, rotate the universal wheel 14 of bull stick 13 one end and support subaerially from leading to groove 12, at this moment, utilize draw frame 3 can stimulate universal wheel 14 and roll, make the transport more convenient to video screen 1, time saving and labor saving.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti light does not have long-size video picture screen of concatenation, includes video picture screen (1), fixes fixed frame (2) in the video picture screen (1) outside to and drag the structure that drags of video picture screen (1), its characterized in that, it includes to drag the structure:

the pull frame (3) is arranged on the back surface of the fixed frame (2), and the pull frame (3) can be pulled out upwards from the fixed frame (2);

the fixing strip (6) is arranged below the back face of the fixing frame (2) along the length direction of the fixing frame, the bottom end face of the fixing strip (6) and the bottom end face of the fixing frame (2) are positioned on the same horizontal plane, and through grooves (12) are formed in two ends of the fixing strip (6);

the universal wheel (14) is arranged in the through groove (12), the universal wheel (14) is installed at one end of a rotating rod (13) in the through groove (12), a shaft rod (15) penetrates through a through hole in the position, located on the universal wheel (14), of the rotating rod (13), and two ends of the shaft rod (15) are inserted into the inner wall of the through groove (12).

2. A light-resistant long-size splicing-free video screen according to claim 1, wherein pull rods (4) are connected to two sides of the bottom end of the pull frame (3), and the bottom end of each pull rod (4) is connected with one end of the rotating rod (13) far away from the universal wheel (14) through a curved rod (5).

3. A light-resistant long-size screen without splicing according to claim 1, wherein a torsion spring is connected between the position of the shaft (15) on the rotating rod (13) and the wall of the through groove (12).

4. The screen of claim 2, wherein a moving block (7) is disposed near the lower portion of one side of the pull rod (4), the moving block (7) is slidably disposed on an L-shaped bar (10), and the L-shaped bar (10) is mounted on the fixed frame (2).

5. A light-resistant long-size splicing-free video screen according to claim 4, wherein a sliding block (8) is arranged at one end of the moving block (7) far away from the pull rod (4), and the sliding block (8) is slidably arranged in a sliding groove (9) formed in the L-shaped strip (10).

6. A screen as claimed in claim 4, wherein the bottom end of the moving mass (7) is connected to the L-shaped strip (10) by means of a spring (11).