CN214312464U

CN214312464U - LED display screen

Info

Publication number: CN214312464U
Application number: CN202022972558.XU
Authority: CN
Inventors: 唐伟锋; 张懿; 沈芝根
Original assignee: Shanghai Yueling Information Technology Co ltd
Current assignee: Shanghai Yueling Information Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-09-28
Anticipated expiration: 2030-12-11

Abstract

The utility model belongs to the technical field of LED display screens, in particular to an LED display screen, aiming at the problems of poor protection effect and inconvenient cleaning of the LED display screen, the utility model provides a proposal which comprises an installation frame with an opening at one side and a main body arranged inside the installation frame, wherein two fixed plates which are distributed up and down are fixed at the opening of the installation frame, the main body is respectively fixed with the two fixed plates, and the top and the bottom of each fixed plate are respectively provided with a first guide wheel; the main body of the utility model is placed in the installation frame for preliminary protection of the main body, the first protection cloth and the second protection cloth are in a laminating state, and the screen of the main body is protected again; drive driving motor through the button, drive first protection cloth and second protection cloth and realize its separation through the effect of first leading wheel and second leading wheel respectively to remove the protective effect of first protection cloth and second protection cloth to the main part screen, be used for carrying out cleaning to the screen of main part simultaneously.

Description

LED display screen

Technical Field

The utility model relates to a LED display screen technical field especially relates to LED display screen.

Background

The LED display screen is a flat panel display, consists of small LED display modules and is used for displaying various information such as characters, images, videos, video signals and the like.

At present to LED display screen when using, because LED display screen has characteristics such as fragile and the easy grey layer that adheres to in surface, generally with protecting in the LED display screen handle and regularly clear up it, but current LED display screen has the problem relatively poor to LED display screen protecting effect at the in-process that uses to there is certain inconvenient nature to its edge clearance.

Therefore, an LED display screen is needed to solve the problems of poor protection effect and inconvenient cleaning of the LED display screen.

SUMMERY OF THE UTILITY MODEL

The utility model provides a LED display screen has solved LED display screen protecting effect poor and clean inconvenient problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the LED display screen comprises a mounting frame with an opening on one side and a main body arranged inside the mounting frame, wherein two fixing plates which are vertically distributed are fixed at the opening of the mounting frame, the main body is respectively fixed with the two fixing plates, first guide wheels are arranged at the top and the bottom of each fixing plate, a second guide wheel is arranged on one side, close to the first guide wheel, of each fixing plate, two gears which are distributed in parallel are rotatably connected inside the mounting frame, two first tooth-shaped bars which are respectively meshed with the two gears are slidably connected to the side surface of the main body, second tooth-shaped bars which are respectively meshed with the two gears are slidably connected to the inner side surface of the mounting frame, first protective cloth is arranged on the outer surfaces, located at the top, of the first guide wheels and the outer surface of the second guide wheels, one end of the first protective cloth is fixed with the top ends of the two first tooth-shaped bars, the surface that is located the bottom is adjacent first leading wheel and second leading wheel is provided with the second and protects cloth, the one end and two of second protection cloth the bottom mounting of second profile of tooth strip, the both ends of main part are rotated and are connected with four pivots that are the symmetric distribution, the surface of pivot all is provided with torsion spring, the both ends of first protection cloth and second protection cloth all are provided with the haulage rope, four the haulage rope is fixed with four pivots respectively, the inside of installation frame is provided with the rolling subassembly of being connected with two first profile of tooth strips.

Preferably, the rolling component comprises two connecting rods fixed to the bottom ends of the first toothed strips, a driving motor is arranged inside the installation frame, a rolling wheel is fixed to an output shaft of the driving motor, and a rolling rope fixed to the connecting rods is wound on the outer surface of the rolling wheel.

Preferably, the first protective cloth and the second protective cloth are both internally provided with magnetic stripes at the adjacent ends, and the two magnetic stripes are in mutual contact.

Preferably, the contact surfaces of the first toothed bar and the main body and the contact surfaces of the second toothed bar and the mounting frame are smooth planes.

Preferably, the first tooth-shaped strip and the second tooth-shaped strip are distributed along the gear in a centrosymmetric manner, and limiting blocks are fixed at the top end of one side of the first tooth-shaped strip and the bottom end of one side of the second tooth-shaped strip.

Preferably, the first guide wheel and the adjacent second guide wheel are vertically distributed, and the size of the first protective cloth and the size of the second protective cloth are matched with the size of the main body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the main body of the utility model is placed in the installation frame to form a placement for the primary protection of the main body, the first protection cloth and the second protection cloth are in a laminating state under the action of the torsion spring, the rotating shaft and the traction rope, the screen of the main body is protected again, and the protection effect of the main body in the installation frame is further improved; drive driving motor through the button for first profile of tooth strip carries out the lapse at the back of main part, drive two gears then and take place to rotate in the installing frame, drive first protection cloth and second protection cloth and realize its separation through the effect of first leading wheel and second leading wheel respectively, thereby remove the protective effect of first protection cloth and second protection cloth to the main part screen, the medial surface of first protection cloth and second protection cloth is cleaning cloth, can be used to carry out cleaning to the screen of main part.

2. The utility model discloses the setting of well magnetic stripe for the effect of first protection cloth and second protection cloth cooperation torsion spring and haulage rope makes the laminating state of first protection cloth and second protection cloth better, thereby improves the protective effect of main part.

Drawings

Fig. 1 is a schematic side sectional structure view of an LED display screen provided by the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is the utility model provides a main view structure schematic diagram of LED display screen.

In the figure: 1. installing a frame; 2. a main body; 3. a fixing plate; 4. a first guide wheel; 5. a second guide wheel; 6. a gear; 7. a first toothed bar; 8. a second rack bar; 9. a first protective cloth; 10. a second protective cloth; 11. a rotating shaft; 12. a torsion spring; 13. a hauling rope; 14. a winding component; 141. a connecting rod; 142. a drive motor; 143. a winding wheel; 144. winding the rope; 15. a magnetic strip; 16. and a limiting block.

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.

Referring to fig. 1-3, the LED display screen includes a mounting frame 1 with an opening at one side and a main body 2 disposed inside the mounting frame 1, two fixing plates 3 distributed up and down are fixed at the opening of the mounting frame 1, the main body 2 is fixed with the two fixing plates 3 respectively, first guide wheels 4 are disposed at the top and bottom of the fixing plates 3, a second guide wheel 5 is disposed at one side of the fixing plate 3 close to the first guide wheel 4, two gears 6 distributed in parallel are rotatably connected inside the mounting frame 1, two first tooth-shaped bars 7 respectively engaged with the two gears 6 are slidably connected to the side of the main body 2, second tooth-shaped bars 8 respectively engaged with the two gears 6 are slidably connected to the inner side of the mounting frame 1, first protective cloths 9 are disposed on the outer surfaces of the adjacent first guide wheels 4 and second guide wheels 5 at the top, one end of the first protective cloth 9 is fixed with the top ends of the two first tooth-shaped bars 7, the outer surfaces of the adjacent first guide wheel 4 and the adjacent second guide wheel 5 positioned at the bottom are provided with second protective cloth 10, one end of the second protective cloth 10 is fixed with the bottom ends of the two second toothed bars 8, two ends of the main body 2 are rotatably connected with four rotating shafts 11 which are symmetrically distributed, the outer surface of each rotating shaft 11 is provided with a torsion spring 12, two ends of each first protective cloth 9 and the corresponding second protective cloth 10 are provided with traction ropes 13, the four traction ropes 13 are respectively fixed with the four rotating shafts 11, the inside of the mounting frame 1 is provided with rolling components 14 connected with the two first toothed bars 7, concretely, the outer side of the mounting frame 1 is provided with a button which is electrically connected with the rolling components 14, the main body 2 is placed inside the mounting frame 1 for primary protection of the main body 2, and the first protective cloth 9 and the second protective cloth 10 are in a joint state through the actions of the torsion springs 12, the rotating shafts 11 and the traction ropes 13, the screen of the main body 2 is protected again, the protection effect of the main body 2 in the installation frame 1 is further improved, when the main body 2 needs to be used, a button is pressed, the first tooth-shaped strip 7 is driven to slide downwards through the effect of the rolling component 14, so that the two gears 6 are driven to rotate in the installation frame 1, the second tooth-shaped strip 8 is meshed with the gears 6, so that the second tooth-shaped strip 8 moves upwards, the first protective cloth 9 and the second protective cloth 10 are driven to be separated through the effect of the first guide wheel 4 and the second guide wheel 5 respectively, the protection effect of the first protective cloth 9 and the second protective cloth 10 on the screen of the main body 2 is relieved, meanwhile, the traction rope 13 is in a stretching state, after the use is finished, the rolling component 14 is turned over, and the first protective cloth 9 and the second protective cloth 10 are in a joint state through the effect of the torsion spring 12 and the traction rope 13, the main body 2 is continuously protected, and meanwhile, the inner side surfaces of the first protective cloth 9 and the second protective cloth 10 are cleaning cloth which can be used for cleaning the screen of the main body 2.

Winding subassembly 14 includes with two first profile of tooth strip 7 bottom mounting's connecting rod 141, the inside of installing frame 1 is equipped with driving motor 142, driving motor 142's output shaft is fixed with winding wheel 143, the surface winding of winding wheel 143 has the rolling rope 144 fixed with connecting rod 141, it is concrete, drive driving motor 142 through the button, drive winding wheel 143 and rotate, thereby the effect through rolling rope 144 drives connecting rod 141 and carries out downstream, thereby make first profile of tooth strip 7 carry out the lapse at the back of main part 2, then drive gear 6 and rotate.

First protection cloth 9 all is provided with magnetic stripe 15 with the inside magnetic stripe 15 that all is provided with of one end that second protection cloth 10 is adjacent, and two magnetic stripes 15 contact each other, and is concrete, the setting of magnetic stripe 15 for the effect of first protection cloth 9 and second protection cloth 10 cooperation torsion spring 12 and haulage rope 13 makes the laminating state of first protection cloth 9 and second protection cloth 10 better, thereby improves the protective effect of main part 2.

First profile of tooth strip 7 and main part 2 and second profile of tooth strip 8 are the smooth plane with the contact surface of installing frame 1, and is concrete, guarantees to drive the gliding more smooth and easy of first profile of tooth strip 7 through rolling component 14, makes the gliding more smooth and easy of second profile of tooth strip 8 through gear 6 then.

First profile of tooth strip 7 and second profile of tooth strip 8 are central symmetry along gear 6 and distribute, and one side top of first profile of tooth strip 7 all is fixed with stopper 16 with one side bottom of second profile of tooth strip 8, and is concrete, and first profile of tooth strip 7 and the symmetrical setting of second profile of tooth strip 8 for rolling subassembly 14 can drive first protection cloth 9 and the synchronous separation of second protection cloth 10 when the motion, and stopper 16's setting prevents that first profile of tooth strip 7 and second profile of tooth strip 8 from breaking away from with gear 6.

First leading wheel 4 is vertical distribution with adjacent second leading wheel 5, and the size of first protection cloth 9 and second protection cloth 10 and the size looks adaptation of main part 2, and is concrete, and first leading wheel 4 and second leading wheel 5 are used for turning to first protection cloth 9 and second protection cloth 10 to guarantee when using main part 2, first protection cloth 9 and second protection cloth 10 can carry out the synchronized separation.

The working principle is as follows: main part 2 is placed in the inside formation of installing frame 1 and is placed, be used for the preliminary protection to main part 2, through torsion spring 12, the effect of pivot 11 and haulage rope 13, make first protection cloth 9 and second protection cloth 10 be in the laminating state, protect once more the screen department of main part 2, further improve the protective effect of main part 2 in installing frame 1, when needs use main part 2, press the button, drive driving motor 142 through the button, drive wind-up wheel 143 and rotate, thereby drive connecting rod 141 through the effect of wind-up rope 144 and carry out the downstream, thereby make first profile of tooth strip 7 carry out the lapse at the back of main part 2, then drive two gears 6 and take place to rotate in installing frame 1, because second profile of tooth strip 8 and gear 6 meshing, make second profile of tooth strip 8 upward movement, thereby drive first protection cloth 9 and second protection cloth 10 and realize its separation through the effect of first leading wheel 4 and second leading wheel 5 respectively Thereby, the protective effect of first protection cloth 9 and second protection cloth 10 to the main part 2 screen is relieved, simultaneously, haulage rope 13 is in tensile state, use the completion back, through overturning rolling component 14, through the effect of torsion spring 12 and haulage rope 13, first protection cloth 9 and second protection cloth 10 are in the laminating state, continue to protect main part 2 and handle, the medial surface of first protection cloth 9 and second protection cloth 10 is cleaning cloth simultaneously, can be used to carry out cleaning to the screen of main part 2.

The driving motor 142 is commercially available, is well known in the art, and therefore, will not be described in detail in the specification.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

The LED display screen comprises an installation frame (1) with an opening on one side and a main body (2) arranged inside the installation frame (1), and is characterized in that two fixing plates (3) which are distributed up and down are fixed at the opening of the installation frame (1), the main body (2) is fixed with the two fixing plates (3) respectively, the top and the bottom of each fixing plate (3) are provided with a first guide wheel (4), one side of each fixing plate (3) close to the corresponding first guide wheel (4) is provided with a second guide wheel (5), the installation frame (1) is rotatably connected with two gears (6) which are distributed in parallel, the side surface of the main body (2) is slidably connected with two first tooth-shaped strips (7) which are respectively meshed with the two gears (6), the inner side surface of the installation frame (1) is slidably connected with second tooth-shaped strips (8) which are respectively meshed with the two gears (6), the outer surface of the first guide wheel (4) and the second guide wheel (5) adjacent to each other at the top is provided with first protective cloth (9), one end of the first protective cloth (9) is fixed to the top end of the first toothed strip (7), the outer surface of the first guide wheel (4) and the second guide wheel (5) are adjacent to each other at the bottom and are provided with second protective cloth (10), one end of the second protective cloth (10) is fixed to the bottom end of the second toothed strip (8), the two ends of the main body (2) are rotatably connected with four rotating shafts (11) symmetrically distributed, the outer surface of each rotating shaft (11) is provided with a torsion spring (12), the two ends of the first protective cloth (9) and the second protective cloth (10) are provided with traction ropes (13), the traction ropes (13) are respectively fixed to the four rotating shafts (11), and a rolling assembly (connected with the two first toothed strips (7) is arranged inside the mounting frame (1) 14).
2. The LED display screen according to claim 1, wherein the winding assembly (14) comprises a connecting rod (141) fixed to the bottom ends of the two first toothed bars (7), a driving motor (142) is arranged inside the mounting frame (1), a winding wheel (143) is fixed to an output shaft of the driving motor (142), and a winding rope (144) fixed to the connecting rod (141) is wound on the outer surface of the winding wheel (143).
3. The LED display screen according to claim 1, characterized in that the first protective cloth (9) and the second protective cloth (10) are provided with magnetic strips (15) inside, and the two magnetic strips (15) are in contact with each other.
4. The LED display screen according to claim 1, wherein the contact surfaces of the first toothed strip (7) and the main body (2) and the contact surfaces of the second toothed strip (8) and the mounting frame (1) are smooth planes.
5. The LED display screen according to claim 1, wherein the first toothed rack (7) and the second toothed rack (8) are distributed along the gear (6) in a central symmetry manner, and a limiting block (16) is fixed at both the top end of one side of the first toothed rack (7) and the bottom end of one side of the second toothed rack (8).
6. The LED display screen according to claim 1, wherein the first guide wheel (4) is vertically distributed with the adjacent second guide wheel (5), and the size of the first protective cloth (9) and the size of the second protective cloth (10) are matched with the size of the main body (2).