CN218268229U

CN218268229U - Wide-angle liquid crystal display screen

Info

Publication number: CN218268229U
Application number: CN202222722743.2U
Authority: CN
Inventors: 李真真; 刘叶容
Original assignee: Zhejiang Changzheng Vocational & Technical College
Current assignee: Zhejiang Changzheng Vocational & Technical College
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-10
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to a wide angle liquid crystal display technical field just discloses a wide angle liquid crystal display, including display screen body and base, the middle part fixedly connected with turning block at the display screen body back, the rear side activity of turning block lateral surface is pegged graft and is had the fixed axle, the fixed movable plate that has cup jointed in the outside of fixed axle surface, the top fixedly connected with handle at the movable plate back, the control flume has been seted up at the back of movable plate. This wide angle liquid crystal display can drive the movable plate through the control handle and upwards remove along the lateral surface of fixed plate, and the drive display screen body that can the indirectness upwards removes, is fixed it by the stopper after removing the assigned position for the device has realized adjustable function, has made things convenient for the user to carry out the function of adjusting according to the height of self to the height of display screen body, great improvement the device's application scope, made things convenient for user's use.

Description

Wide-angle liquid crystal display screen

Technical Field

The utility model relates to a wide angle liquid crystal display technical field specifically is a wide angle liquid crystal display.

Background

The wide-angle liquid crystal display refers to a display screen with a technology of not changing color when the display is seen from multiple angles, and teachers often use the wide-angle liquid crystal display to think political education for students in schools; the wide-angle liquid crystal display has the technical characteristic that the display is not discolored when being viewed from multiple angles, so that students can clearly see the content displayed on the display screen when watching the display from multiple angles, and the wide-angle liquid crystal display is convenient to use; but current part wide angle liquid crystal display structure is comparatively simple, and its inside structure all is immobile basically, is difficult for realizing the function that the user adjusted the height of display screen according to self height, great reduction the application scope of display screen, inconvenient user's use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a wide angle liquid crystal display has solved the problem that proposes among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wide angle liquid crystal display, includes display screen body and base, the middle part fixedly connected with turning block at the display screen body back, the rear side activity of turning block lateral surface is pegged graft there is the fixed axle, the fixed movable plate that has cup jointed in the outside of fixed axle surface, the top fixedly connected with handle at the movable plate back, the control flume has been seted up at the back of movable plate, the spacing groove has all been seted up to the left and right sides face of movable plate, the inside sliding connection of movable plate has the fixed plate, the lower fixed surface of fixed plate is connected with the base, the top activity of fixed plate lateral surface is pegged graft there is the stopper, the stopper is pegged graft with the spacing groove activity that is located the top, the medial surface fixedly connected with movable block of stopper, movable block and fixed plate sliding connection, the middle part fixedly connected with handheld pole at the movable block back, the handheld pole runs through in the back of fixed plate, the middle part fixedly connected with quarter butt of movable block medial surface, spacing spring has been cup jointed to the surface of quarter butt.

Preferably, the fixed grafting of front side of turning block lateral surface has the gag lever post, and the lateral surface activity of fixed axle is pegged graft and is had the connecting rod, and the outer end fixedly connected with limiting plate of connecting rod, spacing hole have been seted up to the lateral surface of limiting plate, and the gag lever post is pegged graft with spacing hole activity, the inner fixedly connected with sliding block of connecting rod, sliding block and fixed axle sliding connection, the lateral surface of connecting rod has cup jointed return spring.

Preferably, the front side of the outer side surface of the rotating block is fixedly sleeved with a connecting frame, and the front side of the connecting frame is fixedly connected with the back side of the display screen body.

Preferably, the top of the back of the fixing plate is provided with a through groove, and the inner diameter of the through groove is matched with the outer diameter of the handheld rod.

Preferably, the number of the limiting springs is set as one group, and the manufacturing material of one group of limiting springs is silicon-manganese spring steel.

Preferably, the bottom of the outer side surface of the fixed plate is fixedly sleeved with a fixed frame, and the lower surface of the fixed frame is fixedly connected with the upper surface of the base.

(III) advantageous effects

Compared with the prior art, the utility model provides a wide angle liquid crystal display possesses following beneficial effect:

1. this wide angle liquid crystal display can drive the movable plate through the control handle and upwards remove along the lateral surface of fixed plate, and the drive display screen body that can the indirectness upwards removes, is fixed it by the stopper after removing the assigned position for the device has realized adjustable function, has made things convenient for the user to carry out the function of adjusting according to the height of self to the height of display screen body, great improvement the device's application scope, made things convenient for user's use.

2. This wide angle liquid crystal display, go on upwards or decurrent rotation along the surface of fixed axle through the control turning block, until rotating appointed angle, afterwards by mutually supporting between gag lever post and the spacing hole, fix the display screen body, make the device make things convenient for the staff to adjust the upper and lower angle of display screen body according to the requirement of self, prevented that the user from seeing the display screen because of a long-time posture that keeps, cause user's neck uncomfortable phenomenon to appear to take place.

3. This wide angle liquid crystal display is extruded to the movable block to the outside of the reaction force sustainability that is produced through spacing spring by the extrusion for the movable block can drive the stopper and run through in the lateral surface of fixed plate then the inside of firmly injecting the assigned position spacing groove, has guaranteed the fixed effect between movable plate and the fixed plate, the improvement of indirectness the stability of display screen body when using.

Drawings

FIG. 1 is a schematic view of the back side of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

fig. 3 and 4 are schematic views of the local structure of the present invention.

In the figure: 1. a display screen body; 2. rotating the block; 3. a fixed shaft; 4. moving the plate; 5. a handle; 6. a control slot; 7. a limiting groove; 8. a fixing plate; 9. a base; 10. a limiting block; 11. a moving block; 12. a hand-held wand; 13. a short bar; 14. a limiting spring; 15. a limiting rod; 16. a connecting rod; 17. a limiting plate; 18. a limiting hole; 19. a slider; 20. and a return spring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a wide-angle liquid crystal display screen comprises a display screen body 1 and a base 9, wherein a rotating block 2 is fixedly connected to the middle of the back of the display screen body 1, the rotating block 2 is controlled to rotate upwards or downwards along the outer surface of a fixed shaft 3 until the rotating block rotates to a specified angle, then the display screen body 1 is fixed by the mutual matching between a limiting rod 15 and a limiting hole 18, so that the device is convenient for workers to adjust the upper and lower angles of the display screen body 1 according to the requirements of the workers, the phenomenon that the neck of the user is uncomfortable due to the fact that the user keeps a posture for a long time is prevented, the fixed shaft 3 is movably inserted at the rear side of the outer side surface of the rotating block 2, a movable plate 4 is fixedly sleeved on the outer side of the outer surface of the fixed shaft 3, and a handle 5 is fixedly connected to the top of the back of the movable plate 4, the movable plate 4 can be driven to move upwards along the outer side surface of the fixed plate 8 by the control handle 5, the display screen body 1 can be indirectly driven to move upwards, and the movable plate is fixed by the limit block 10 after moving to a specified position, so that the device realizes an adjustable function, the function that a user can adjust the height of the display screen body 1 according to the height of the user is facilitated, the application range of the device is greatly improved, the use of the user is facilitated, the back surface of the movable plate 4 is provided with the control groove 6, the left side surface and the right side surface of the movable plate 4 are both provided with the limit grooves 7, the inner part of the movable plate 4 is connected with the fixed plate 8 in a sliding manner, the lower surface of the fixed plate 8 is fixedly connected with the base 9, the top of the outer side surface of the fixed plate 8 is movably inserted with the limit block 10, the limit block 10 is movably inserted with the limit groove 7 positioned at the top, and the inner side surface of the limit block 10 is fixedly connected with the movable block 11, the movable block 11 and the fixed plate 8 are in sliding connection, the middle portion fixedly connected with of the back of the movable block 11 is provided with a handheld rod 12, the handheld rod 12 penetrates through the back of the fixed plate 8, the middle portion fixedly connected with short rod 13 of the inner side face of the movable block 11 is provided with a limiting spring 14 in a sleeved mode, the reaction force generated by extrusion through the limiting spring 14 can be continuously extruded to the outside of the movable block 11, the movable block 11 can drive the limiting block 10 to penetrate through the outer side face of the fixed plate 8 and then firmly insert into the designated position limiting groove 7, the fixing effect between the movable plate 4 and the fixed plate 8 is guaranteed, and the stability of the display screen body 1 in use is indirectly improved.

The utility model discloses a realize that the user can carry out fore-and-aft angle modulation to display screen body 1, consequently there is gag lever post 15 at the fixed grafting of front side of 2 lateral surfaces of turning block, the lateral surface activity grafting of fixed axle 3 has connecting rod 16, the outer end fixedly connected with limiting plate 17 of connecting rod 16, spacing hole 18 has been seted up to limiting plate 17's lateral surface, gag lever post 15 and the 18 activity grafting of spacing hole, inner fixedly connected with sliding block 19 of connecting rod 16, sliding block 19 and 3 sliding connection of fixed axle, return spring 20 has been cup jointed to connecting rod 16's lateral surface, control turning block 2 upwards or rotate downwards along the external surface of fixed axle 3, until rotating appointed position, be extruded the influence that produces the reaction force through return spring 20 afterwards, make limiting plate 17 drive spacing hole 18 cover on gag lever post 15's surface, fix it, the angle modulation around the user can carry out display screen body 1 has been realized, in order to improve the stability of connecting between turning block 2 and the display screen body 1, consequently, the fixed cover in the front of turning block 2 lateral surface has connect the frame with the back fixed connection of display screen body 1 and the stability that has improved between the display screen body.

The utility model discloses for convenient user's control handheld pole 12 removes along the inside of fixed plate 8, consequently seted up logical groove at the top at the fixed plate 8 back, the internal diameter that leads to the groove and the external diameter looks adaptation of handheld pole 12, made things convenient for user's control handheld pole 12 to remove along the inside of fixed plate 8.

The utility model discloses an extension limiting spring 14's life, consequently set up limiting spring 14's quantity into a set of, a set of limiting spring 14's preparation material sets up to silicon manganese spring steel, and the spring return of silicon manganese spring steel preparation is effectual, and non-deformable has prolonged limiting spring 14's life.

The utility model discloses an improve the stability of being connected between fixed plate 8 and the base 9, consequently fixed the fixed frame that has cup jointed in the bottom of the 8 lateral surfaces of fixed plate, the lower surface of fixed frame is connected with the last fixed surface of base 9, and fixed frame has increased the connection area between fixed plate 8 and the base 9, has improved the stability of being connected between fixed plate 8 and the base 9.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the mobile display screen is used, a user firstly grabs the display screen body 1, then controls the limiting plate 17 to drive the limiting hole 18 and the connecting rod 16 to move along the inner part of the fixed shaft 3 to the outer side, simultaneously controls the connecting rod 16 to drive the sliding block 19 to move along the inner part of the fixed shaft 3 to the outer side, and simultaneously extrudes the return spring 20 to the outer side until the limiting plate 17 drives the limiting hole 18 to be separated from the outer surface of the limiting rod 15, indirectly removes the fixing of the rotating block 2, then the user controls the display screen body 1 to drive the rotating block 2 to rotate upwards or downwards along the outer surface of the fixed shaft 3 according to the requirement of the user, until the display screen body 1 rotates to a specified angle, so that the limiting rod 15 and the limiting hole 18 at a specified position are in a horizontal position, then the operator removes the control of the limiting plate 17, simultaneously the reaction force generated by the extrusion of the return spring 20 can push the sliding block 19 to the inner side inwards, simultaneously the sliding block 19 drives the connecting rod 16 to move along the inner part of the fixed shaft 3, simultaneously the connecting rod 16 drives the limiting plate 17 and the limiting hole 18 to move towards the inner side, so that the limiting hole 18 is sleeved on the outer surface of the limiting rod 15, and the limiting block 8, and the moving plate 8 are removed until the limiting block 8 is moved along the inner side of the fixed plate 8, then, the short moving plate 8 is removed from the fixed plate 7, and the fixed plate 12, and the movable plate 7 controlled by the movable plate by the short bar 7, meanwhile, the movable plate 4 indirectly drives the display screen body 1 to move upwards until the display screen body 1 is moved to an appointed position, so that the limiting block 10 and the limiting groove 7 at the appointed position are in a horizontal position, then a user releases the control of the handheld rod 12, and meanwhile, the reaction force generated by the extrusion of the limiting spring 14 drives the movable block 11 and the limiting block 10 to move outwards along the inside of the fixed plate 8 until the limiting block 10 penetrates through the outer side face of the fixed plate 8 to be inserted into the limiting groove 7 at the appointed position, and the fixed plate 8 and the movable plate 4 are fixed again, so that the height of the display screen body 1 is adjusted.

To sum up, this wide angle liquid crystal display can drive movable plate 4 through control handle 5 and upwards remove along the outside face of fixed plate 8, and drive display screen body 1 of indirectness upwards removes, is fixed it by stopper 10 after removing the assigned position for the device has realized adjustable function, has made things convenient for the user to carry out the function of adjusting according to the height of self to display screen body 1, great improvement the device's application scope, made things convenient for user's use.

This wide angle liquid crystal display, go on upwards or decurrent rotation along the surface of fixed axle 3 through control turning block 2, until rotating appointed angle, by the mutually supporting between gag lever post 15 and the spacing hole 18 afterwards, fix display screen body 1, make the device make things convenient for the staff to adjust display screen body 1's upper and lower angle according to the requirement of self, prevented that the user from seeing the display screen because of long-time keeping a posture, cause user's neck to appear uncomfortable phenomenon and take place.

This wide angle liquid crystal display is extruded to the movable block 11 through the sustainable outside of the reaction force that spacing spring 14 was extruded and is produced for movable block 11 can drive stopper 10 and run through in the lateral surface of fixed plate 8 then firmly inject the inside of assigned position spacing groove 7, has guaranteed the fixed effect between movable plate 4 and the fixed plate 8, the improvement of indirectness the stability of display body 1 when using.

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 a wide angle liquid crystal display, includes display body (1) and base (9), its characterized in that: the middle part of the back surface of the display screen body (1) is fixedly connected with a rotating block (2), a fixed shaft (3) is movably inserted at the rear side of the outer side surface of the rotating block (2), a moving plate (4) is fixedly sleeved on the outer side of the outer surface of the fixed shaft (3), the top of the back of the moving plate (4) is fixedly connected with a handle (5), the back of the moving plate (4) is provided with a control groove (6), the left side surface and the right side surface of the moving plate (4) are both provided with limit grooves (7), a fixed plate (8) is connected inside the moving plate (4) in a sliding way, the lower surface of the fixed plate (8) is fixedly connected with a base (9), the top of the outer side surface of the fixed plate (8) is movably inserted with a limit block (10), the limiting block (10) is movably inserted with the limiting groove (7) positioned at the top, the inner side surface of the limiting block (10) is fixedly connected with a moving block (11), the moving block (11) is connected with the fixed plate (8) in a sliding way, the middle part of the back surface of the moving block (11) is fixedly connected with a handheld rod (12), the hand-held rod (12) penetrates through the back surface of the fixed plate (8), the middle part of the inner side surface of the moving block (11) is fixedly connected with a short rod (13), and the outer surface of the short rod (13) is sleeved with a limiting spring (14).

2. A wide-angle liquid crystal display as defined in claim 1, wherein: the fixed grafting of front side of turning block (2) lateral surface has gag lever post (15), and the lateral surface activity of fixed axle (3) is pegged graft and is had connecting rod (16), and the outer end fixedly connected with limiting plate (17) of connecting rod (16), spacing hole (18) have been seted up to the lateral surface of limiting plate (17), and gag lever post (15) are pegged graft with spacing hole (18) activity, inner fixedly connected with sliding block (19) of connecting rod (16), sliding block (19) and fixed axle (3) sliding connection, return spring (20) have been cup jointed to the lateral surface of connecting rod (16).

3. A wide-angle liquid crystal display as defined in claim 2, wherein: the front side of the outer side surface of the rotating block (2) is fixedly sleeved with a connecting frame, and the front side of the connecting frame is fixedly connected with the back side of the display screen body (1).

4. A wide-angle liquid crystal display as defined in claim 1, wherein: the top of the back of the fixing plate (8) is provided with a through groove, and the inner diameter of the through groove is matched with the outer diameter of the handheld rod (12).

5. A wide-angle liquid crystal display as defined in claim 1, wherein: the number of the limiting springs (14) is set as one group, and the manufacturing material of the group of limiting springs (14) is silicon-manganese spring steel.

6. A wide-angle liquid crystal display as defined in claim 1, wherein: the bottom of the outer side surface of the fixed plate (8) is fixedly sleeved with a fixed frame, and the lower surface of the fixed frame is fixedly connected with the upper surface of the base (9).