CN220647301U

CN220647301U - Wide-angle liquid crystal display

Info

Publication number: CN220647301U
Application number: CN202320701147.8U
Authority: CN
Inventors: 陆静
Original assignee: Daqing Normal University
Current assignee: Daqing Normal University
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2024-03-22
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the technical field of wide-angle display screens, in particular to a wide-angle liquid crystal display screen, which comprises a wide-angle display screen and an installation groove, wherein an installation rod is arranged in the installation groove, limiting grooves are formed in the center and the lower side of the installation rod, a stretching rod is arranged in the limiting grooves, two groups of baffles are welded on the front side and the rear side of the lower end of the stretching rod, first screws are arranged in the baffles, and connecting grooves are formed in the connecting rods. In addition, set up the batching at the pivot outer wall, can receive and release the batching through the stay cord, can reach dustproof effect when not using to avoid being infected with dust etc. on the screen.

Description

Wide-angle liquid crystal display

Technical Field

The utility model relates to the technical field of wide-angle display screens, in particular to a wide-angle liquid crystal display screen.

Background

The LCD is a planar ultrathin display device, which consists of a certain number of color or black-and-white pixels, and is placed in front of a light source or a reflecting surface. The liquid crystal display has low power consumption, is favored by engineers, is suitable for electronic equipment using batteries, and has the main principle that the point, the line and the surface of liquid crystal molecules are stimulated by current to form pictures by matching with back lamps. After deflection for a certain angle, the common TN panel display can have color cast, while the wide-angle liquid crystal display is a display screen which can be watched at multiple angles without color change, and the visible angle of the wide-angle panel can reach more than one hundred degrees, and is more typically IPS, MVA and the like. Therefore, wide-angle liquid crystal display screens are generally used more in teaching, and students can clearly watch contents on the display screens at different angles. However, the existing display screen is not easy to adjust the height of the display screen according to the heights of different users, and in addition, if the chalk powder generated by the chalk is possibly stained on the screen in a teaching environment, the watching effect is affected, therefore, a wide-angle liquid crystal display screen is provided to solve the problems.

Disclosure of Invention

The utility model aims to provide a wide-angle liquid crystal display screen so as to solve the problems that the height of the display screen is not easy to adjust, the screen is possibly polluted by dust to influence the watching effect and the like in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the wide-angle liquid crystal display comprises a wide-angle display screen and a mounting groove, wherein the rear side of the wide-angle display screen is provided with the mounting groove;

the novel telescopic connecting device comprises a mounting groove, wherein a mounting rod is arranged in the mounting groove, a limiting groove is formed in the center and the lower side of the mounting rod, a stretching rod is arranged in the limiting groove, two groups of baffles are welded on the front side and the rear side of the lower end of the stretching rod, a first screw is arranged in each baffle, a connecting rod is arranged between the two groups of baffles, a connecting groove is formed in the connecting rod, a connecting sleeve is arranged at the lower end of the connecting rod, a lantern ring is arranged at the lower end of the connecting sleeve, a loop bar is arranged outside the lantern ring, and a screw is arranged in the loop bar;

the rear side of loop bar is provided with the fixed frame, be provided with four sets of second screws in the fixed frame, two sets of square grooves have been seted up about corresponding in the fixed frame, be provided with in the square groove and hang the cover, hang the cover in seted up the sliding tray, be provided with the sliding block in the sliding tray, sliding block one end offsets with the sliding tray inner wall, the sliding block other end is connected with the installation pole.

Preferably, the connecting rod is provided with a connecting groove in a penetrating manner, the connecting sleeve is provided with a movable groove, a limiting block is arranged in the movable groove, the lower wall of the connecting rod is connected with the limiting block, and the inner diameter of the movable groove is matched with the outer diameter of the limiting block.

Preferably, the right-hand member of screw rod is connected with the handle, the handle is the cylinder constitution, the right side welding of fixed frame has the inserted block, be provided with the bolt in the inserted block, the inside cylinder groove that sets up of right-hand member cylinder of screw rod and inserted block are unanimous, the external diameter of bolt and the inside cylinder groove internal diameter looks adaptation that sets up of right-hand member cylinder of screw rod and inserted block are inside.

Preferably, a screw sleeve is arranged at the bottom of the hanging sleeve, the screw sleeve is a cylinder, and the outer diameter of the screw sleeve is larger than the long distance of the square groove.

Preferably, the fixed frame upside is provided with two sets of supports, set up by the pivot in the support, two sets of supports are connected by the pivot, the outer wall of pivot is provided with the batching, the right-hand member of pivot is provided with the stay cord, the accessible pulls the stay cord and then receive and releases the batching.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the display screen can be hung on the mounting rod through the mounting rod at the rear side of the wide-angle display screen, and the handle is rotated to drive the screw rod to rotate, so that the lantern rings in different threaded fields on the screw rod move in opposite directions or opposite directions, the sliding block can be driven to slide on the sliding groove in opposite directions, and the mounting rod is connected to the other end of the sliding block, so that the height of the wide-angle display screen can be adjusted to adapt to the use of different crowds, the structure of the height adjusting device is simpler than that of the wide-angle display screen, the cost is lower, and damage and the like are not easy to generate.

In addition, set up the batching at the pivot outer wall, can receive and release the batching through the stay cord, can reach dustproof effect when not using to avoid being infected with dust etc. on the screen.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic rear view of the structure of the present utility model;

FIG. 2 is a schematic elevational view of the structure of the present utility model;

FIG. 3 is a schematic rear view of a partial structure of the present utility model;

FIG. 4 is a schematic elevation view of the lifting structure of the present utility model;

FIG. 5 is a schematic side view of a partial structure of the present utility model;

FIG. 6 is a schematic rear cross-sectional view of a stretch structure according to the present utility model;

FIG. 7 is a schematic cross-sectional elevation view of a strut bottom attachment structure in accordance with the present utility model;

in the figure: 1. a wide angle display screen; 2. a mounting groove; 3. a mounting rod; 4. a limit groove; 5. a stretching rod; 6. a baffle; 7. a first screw; 8. a connecting rod; 9. a connecting groove; 10. connecting sleeves; 11. a movable groove; 12. a limiting block; 13. a collar; 14. a loop bar; 15. a screw; 16. a handle; 17. a fixed frame; 18. a second screw; 19. a square groove; 20. hanging a sleeve; 21. a screw sleeve; 22. a sliding groove; 23. a sliding block; 24. a bracket; 25. a rotating shaft; 26. rolling cloth; 27. inserting blocks; 28. a plug pin; 29. and (5) pulling the rope.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, an embodiment of the present utility model is provided: the wide-angle liquid crystal display comprises a wide-angle display screen 1 and a mounting groove 2, wherein the rear side of the wide-angle display screen 1 is provided with the mounting groove 2;

the inside of the installation groove 2 is provided with an installation rod 3, the center and the lower side of the inside of the installation rod 3 are provided with limit grooves 4, the limit grooves 4 are internally provided with stretching rods 5, the front side and the rear side of the lower end of each stretching rod 5 are welded with two groups of baffle plates 6, the baffle plates 6 are internally provided with first screws 7, a connecting rod 8 is arranged between the two groups of baffle plates 6, the connecting rod 8 is provided with a connecting groove 9, the lower end of the connecting rod 8 is provided with a connecting sleeve 10, the lower end of the connecting sleeve 10 is provided with a lantern ring 13, the outside of the lantern ring 13 is provided with a loop bar 14, and the loop bar 14 is internally provided with a screw 15;

the rear side of loop bar 14 is provided with fixed frame 17, is provided with four sets of second screws 18 in the fixed frame 17, and two sets of square grooves 19 have been seted up about corresponding in the fixed frame 17, are provided with in the square groove 19 and hang the cover 20, have seted up sliding tray 22 in the cover 20, are provided with sliding block 23 in the sliding tray 22, and sliding block 23 one end offsets with sliding tray 22 inner wall, and the sliding block 23 other end is connected with installation pole 3.

Further, the connecting rod 8 is provided with a connecting groove 9 in a penetrating manner, the connecting sleeve 10 is provided with a movable groove 11, the movable groove 11 is internally provided with a limiting block 12, the lower wall of the connecting rod 8 is connected with the limiting block 12, and the inner diameter of the movable groove 11 is matched with the outer diameter of the limiting block 12. As shown in fig. 7, this structure is a bottom connection structure of the stretching rod 5, by which connection of the stretching rod 5 and the collar 13 can be accomplished.

Further, the right end of the screw 15 is connected with a handle 16, the handle 16 is formed by a cylinder, an inserting block 27 is welded on the right side of the fixed frame 17, a bolt 28 is arranged in the inserting block 27, the inside of the right end cylinder of the screw 15 is consistent with the cylinder groove formed in the inserting block 27, and the outer diameter of the bolt 28 is matched with the inner diameter of the cylinder groove formed in the right end cylinder of the screw 15 and the inside of the inserting block 27. As shown in fig. 5, this structure can complete the limitation of the screw 15, prevent the sliding block 23 from sliding down or the like due to the influence of the display screen gravity when the wide-angle display screen 1 is hung.

Further, a screw sleeve 21 is arranged at the bottom of the hanging sleeve 20, the screw sleeve 21 is a cylinder, and the outer diameter of the screw sleeve 21 is larger than the long distance of the square groove 19. As shown in fig. 1, this structure can make the hanging sleeve 20 more stable to be hung on the fixing frame 17, and prevent falling off or the like.

Further, two groups of brackets 24 are arranged on the upper side of the fixed frame 17, a rotating shaft 25 is arranged in each bracket 24, the two groups of brackets 24 are connected by the rotating shaft 25, a cloth 26 is arranged on the outer wall of the rotating shaft 25, a pull rope 29 is arranged at the right end of the rotating shaft 25, and the cloth 26 can be folded and unfolded by pulling the pull rope 29. As shown in fig. 2, the structure can drive the rolled cloth 26 to complete the winding and unwinding by pulling the pull rope 29 to rotate the rotating shaft 25.

Working principle: the whole device takes the fixed frame 17 as a frame, and second screws 18 are respectively arranged at four corners of the fixed frame 17 to increase stability. Through setting up installation pole 3, make the one end of installation pole 3 can articulate the display screen, the sliding block 23 is connected to the other end, can drive the rotation of screw rod 15 through rotating handle 16, left side and right side two parts at screw rod 15 have set up different screw threads, be provided with lantern ring 13 at the screw rod 15 outer wall, can drive two sets of lantern rings 13 in opposite directions or the back of the body and go on when screw rod 15 rotates, when drawing close in opposite directions, can make the stretching rod 5 on the lantern ring 13 drive installation pole 3 upward application of force, simultaneously sliding block 23 can upwards slide in sliding groove 22, accomplish high regulation, insert in the kicking block 27 through bolt 28 when adjusting certain height and accomplish spacingly, so as to prevent to receive the influence of gravity, unexpected slip leads to droing etc., can adjust the crowd of wide angle display screen 1's height in order to adapt to different heights through this device.

Two sets of brackets 24 are correspondingly arranged on the fixed frame 17, the brackets 24 are connected by a rotating shaft 25, a rolling cloth 26 is arranged outside the rotating shaft 25, a pull rope 29 is arranged at the right end of the rotating shaft 25, the rotating shaft 25 is rotated by pulling the pull rope 29, the rolling cloth 26 is folded and unfolded, and the screen can be covered when the screen is put down, so that dust is prevented from being polluted by the screen to influence the watching effect and the like.

The above is the whole working principle of the utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. The wide-angle liquid crystal display comprises a wide-angle display screen (1) and a mounting groove (2), wherein the mounting groove (2) is formed in the rear side of the wide-angle display screen (1);

the method is characterized in that: the novel connecting rod is characterized in that a mounting rod (3) is arranged in the mounting groove (2), a limiting groove (4) is formed in the center and the lower side of the mounting rod (3), a stretching rod (5) is arranged in the limiting groove (4), two groups of baffles (6) are welded on the front side and the rear side of the lower end of the stretching rod (5), a first screw (7) is arranged in each baffle (6), a connecting rod (8) is arranged between the two groups of baffles (6), a connecting groove (9) is formed in the connecting rod (8), a connecting sleeve (10) is arranged at the lower end of the connecting rod (8), a sleeve ring (13) is arranged at the lower end of the connecting sleeve (10), a sleeve rod (14) is arranged outside the sleeve ring (13), and a screw rod (15) is arranged in the sleeve rod (14);

the rear side of loop bar (14) is provided with fixed frame (17), be provided with four sets of second screws (18) in fixed frame (17), two sets of square groove (19) have been seted up to the correspondence from top to bottom in fixed frame (17), be provided with in square groove (19) and hang cover (20), hang and offered sliding tray (22) in cover (20), be provided with sliding block (23) in sliding tray (22), sliding block (23) one end offsets with sliding tray (22) inner wall, the sliding block (23) other end is connected with installation pole (3).

2. A wide-angle liquid crystal display according to claim 1, wherein: the connecting rod (8) is provided with a connecting groove (9) in a penetrating mode, the connecting sleeve (10) is internally provided with a movable groove (11), the movable groove (11) is internally provided with a limiting block (12), the lower wall of the connecting rod (8) is connected with the limiting block (12), and the inner diameter of the movable groove (11) is matched with the outer diameter of the limiting block (12).

3. A wide-angle liquid crystal display according to claim 1, wherein: the right-hand member of screw rod (15) is connected with handle (16), handle (16) are the cylinder constitution, insert (27) have been welded on the right side of fixed frame (17), be provided with bolt (28) in insert (27), the inside cylinder groove that sets up of right-hand member cylinder of screw rod (15) and insert (27) are inside unanimous, the external diameter of bolt (28) and the inside cylinder groove internal diameter looks adaptation that sets up of right-hand member cylinder of screw rod (15) and insert (27).

4. A wide-angle liquid crystal display according to claim 1, wherein: the bottom of hanging cover (20) is provided with screw cover (21), screw cover (21) are cylinder and the external diameter of screw cover (21) is greater than the long distance of square groove (19).

5. A wide-angle liquid crystal display according to claim 1, wherein: two groups of brackets (24) are arranged on the upper side of the fixed frame (17), a rotating shaft (25) is arranged in each bracket (24), the two groups of brackets (24) are connected through the rotating shaft (25), a rolling cloth (26) is arranged on the outer wall of the rotating shaft (25), a pull rope (29) is arranged at the right end of the rotating shaft (25), and the rolling cloth (26) can be folded and unfolded by pulling the pull rope (29).