CN212694741U - LED screen with clean function - Google Patents

Abstract

The utility model discloses a LED screen with clean function relates to LED screen equipment technical field, to the problem of carrying on that current LED screen can not be nimble clean, now proposes following scheme, and it includes the mounting bracket, the both ends of mounting bracket bottom are fixed with the supporting leg of vertical setting respectively, the inside of mounting bracket is equipped with LED screen main part, the both ends of LED screen main part bottom are fixed respectively on two supporting legs, the inner wall at mounting bracket left end top is fixed with step motor, step motor's output transmission is connected with first pivot, step motor's one end is kept away from to first pivot is fixed with first threaded rod. The utility model discloses can be nimble clean the screen of LED screen main part, can dispel the heat to LED screen main part by the efficient, increase the life of LED screen main part, can be nimble dismantle the cleaning brush, wash and change, convenient to use, the working property is high.

Description

LED screen with clean function

Technical Field

The utility model relates to a LED screen equipment technical field especially relates to a LED screen with clean function.

Background

LED screen often uses in the open air, because the influence of factors such as external environment, can pile up debris such as dust on the screen to influence the viewing effect, we need utilize cleaning device to clear up the screen this moment.

When the existing LED screen is used, the existing LED screen is generally installed on an outer wall of a building or supported through an upright post, the height of the existing LED screen is certain, when the existing LED screen needs to be cleaned, the screen is manually cleaned, the operation difficulty is high, the existing LED screen is unsafe, and great inconvenience is brought to a user, so that the LED screen with the cleaning function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of LED screen with clean function has solved the problem that carries out the cleanness that current LED screen can not be nimble.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a LED screen with a cleaning function comprises a mounting rack, wherein supporting legs which are vertically arranged are respectively fixed at two ends of the bottom of the mounting rack, an LED screen main body is arranged inside the mounting rack, two ends of the bottom of the LED screen main body are respectively fixed on the two supporting legs, a stepping motor is fixed on the inner wall of the top of the left end of the mounting rack, the output end of the stepping motor is in transmission connection with a first rotating shaft, a first threaded rod is fixed at one end of the first rotating shaft, which is far away from the stepping motor, and is connected on the inner wall of the right end of the mounting rack in a rotating way through a bearing, the bottom of the left end of the mounting rack is connected with a second rotating shaft which is transversely arranged in a rotating way through a bearing, a second threaded rod is fixed at the right end of the second rotating shaft, and one end of the second threaded rod, which is, the outer walls of the ends of the first rotating shaft and the second rotating shaft, which are far away from the stepping motor, are respectively sleeved with a first threaded sleeve, linkage blocks are respectively fixed on the opposite sides of the two first threaded sleeves, a cleaning brush which is vertically arranged is arranged between the two linkage blocks, two ends of the cleaning brush are provided with connecting mechanisms, the cleaning brush is fixed on the linkage block through the connecting mechanisms, the deviating ends of the two first thread sleeves are provided with limiting mechanisms, the first threaded sleeve is connected to the inner wall of the mounting rack through a limiting mechanism, a third threaded rod is arranged above the LED screen main body, two ends of the third threaded rod are respectively and rotatably connected on the inner wall of the mounting rack through bearings, the outer wall of the third threaded rod is sleeved with a second thread sleeve through threads, the top of the second threaded sleeve is in contact with the inner wall of the top of the mounting frame, and a heat dissipation fan is fixed at the bottom of the second threaded sleeve.

Preferably, coupling mechanism includes sleeve, connecting hole, spout and bolt, the sleeve slides the cover respectively and establishes on the outer wall at cleaning brush both ends, the sleeve is kept away from one end slip cover of cleaning brush and is established on the outer wall of linkage piece, the connecting hole is seted up respectively at telescopic both ends, the spout is seted up respectively at the looks remote site of two linkage pieces and the both ends of cleaning brush, bolt sliding connection is in the inside of connecting hole and spout, the both ends of bolt extend to the outside of connecting hole respectively, and the bolt outer wall that is located the connecting hole outside is equipped with the nut through the screw thread cover, the bottom of cleaning brush is connected with the brush hair, the brush hair contacts with the display screen surface of LED screen main part.

Preferably, stop gear includes spacing groove, first pneumatic cylinder and connecting block, the spacing groove is seted up on the both sides inner wall that the mounting bracket is close to step motor one end, first pneumatic cylinder is fixed on the inner wall that step motor one end was kept away from to the spacing groove, the piston end at first pneumatic cylinder is fixed to the connecting block, the one end that first pneumatic cylinder was kept away from to the connecting block is fixed with the spring of horizontal setting, the other end of spring is fixed on the inner wall that first pneumatic cylinder one end was kept away from to the spacing groove, the bottom of connecting block is fixed with the second pneumatic cylinder of vertical setting, the piston end of second pneumatic cylinder is fixed with the connecting plate of horizontal setting, the both ends of connecting plate bottom all are fixed with the stopper of vertical setting, the one end sliding connection that linkage piece was kept away from to first thread bush is between.

Preferably, the fixed cover of outer wall of first pivot has connect first action wheel, the fixed cover of outer wall of second pivot has connect first from the driving wheel, first action wheel and first outside from the driving wheel are equipped with first belt, first action wheel, first from driving wheel and first belt meshing work.

Preferably, the outer wall that step motor one end was kept away from to first threaded rod is fixed to be cup jointed with the second action wheel, the outer wall that step motor one end was kept away from to the third threaded rod is fixed to be cup jointed with the second from the driving wheel, second action wheel and second are equipped with the second belt from the outside of driving wheel, second action wheel, second are from driving wheel and second belt meshing work.

Preferably, the two ends of the bottom of the mounting rack are both fixed with fixing legs.

The utility model discloses in:

through the mounting bracket, the supporting leg, LED screen main part, step motor, first pivot, first threaded rod, the second pivot, the second threaded rod, first thread bush, the linkage piece, the cleaning brush, the third threaded rod, the second thread bush, the heat dissipation fan, the sleeve, the connecting hole, the spout, the bolt, the nut, the spacing groove, first pneumatic cylinder, the connecting block, a spring, the second pneumatic cylinder, the connecting plate, the stopper, first action wheel, first from the driving wheel, first belt, the second action wheel, the second is from the driving wheel, the cooperation work of second belt and fixed leg, on the one hand according to the nimble screen to LED screen main part of demand clean, and can dispel the heat to LED screen main part, increase the life of the screen of LED screen main part, on the other hand can be nimble dismantle the cleaning brush, conveniently wash and change, bring the convenience for the user.

To sum up, the utility model discloses can be nimble clean the screen of LED screen main part, can dispel the heat to LED screen main part by the efficient, increase the life of LED screen main part, can be nimble dismantle the cleaning brush, wash and change, convenient to use, the working property is high.

Drawings

Fig. 1 is a schematic structural diagram of an LED screen with a cleaning function according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a schematic structural view of a third threaded rod in an LED screen with a cleaning function according to the present invention;

fig. 5 the utility model provides a structural schematic diagram of heat dissipation fan in LED screen with clean function.

Reference numbers in the figures: 1. a mounting frame; 2. supporting legs; 3. an LED screen body; 4. a stepping motor; 5. a first rotating shaft; 6. a first threaded rod; 7. a second rotating shaft; 8. a second threaded rod; 9. a first threaded sleeve; 10. a linkage block; 11. a cleaning brush; 12. a third threaded rod; 13. a second threaded sleeve; 14. a heat dissipation fan; 15. a sleeve; 16. connecting holes; 17. a chute; 18. a bolt; 19. a nut; 20. a limiting groove; 21. a first hydraulic cylinder; 22. connecting blocks; 23. a spring; 24. a second hydraulic cylinder; 25. a connecting plate; 26. a limiting block; 27. a first drive wheel; 28. a first driven wheel; 29. a first belt; 30. a second drive wheel; 31. a second driven wheel; 32. a second belt; 33. and fixing the legs.

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. 1-5, an LED screen with cleaning function comprises a mounting frame 1, wherein two ends of the bottom of the mounting frame 1 are respectively fixed with a vertically arranged supporting leg 2, an LED screen main body 3 is arranged inside the mounting frame 1, two ends of the bottom of the LED screen main body 3 are respectively fixed on the two supporting legs 2, a stepping motor 4 is fixed on the inner wall of the top of the left end of the mounting frame 1, the stepping motor 4 is a forward and reverse rotation motor, the output end of the stepping motor 4 is in transmission connection with a first rotating shaft 5, a first threaded rod 6 is fixed at one end of the first rotating shaft 5 away from the stepping motor 4, one end of the first threaded rod 6 away from the first rotating shaft 5 is rotatably connected on the inner wall of the right end of the mounting frame 1 through a bearing, the bottom of the left end of the mounting frame 1 is rotatably connected with a transversely arranged second rotating shaft 7 through a bearing, a second threaded rod 8 is fixed at the right end of the second rotating shaft, a first driving wheel 27 is fixedly sleeved on the outer wall of the first rotating shaft 5, a first driven wheel 28 is fixedly sleeved on the outer wall of the second rotating shaft 7, first belts 29 are arranged outside the first driving wheel 27 and the first driven wheel 28, the first driving wheel 27, the first driven wheel 28 and the first belts 29 are meshed for working, first thread sleeves 9 are respectively sleeved on the outer walls of the first rotating shaft 5 and the second rotating shaft 7 at the ends far away from the stepping motor 4, linkage blocks 10 are respectively fixed on the opposite sides of the two first thread sleeves 9, a cleaning brush 11 vertically arranged is arranged between the two linkage blocks 10, the bottom of the cleaning brush 11 is connected with brush hair, the brush hair is contacted with the surface of the display screen of the LED screen main body 3, connecting mechanisms are arranged at the two ends of the cleaning brush 11, the cleaning brush 11 is fixed on the linkage blocks 10 through the connecting mechanisms, limiting mechanisms are arranged at the deviating ends of the two first thread sleeves 9, the first thread sleeves 9 are connected on the inner wall of the, a third threaded rod 12 is arranged above the LED screen main body 3, two ends of the third threaded rod 12 are respectively rotatably connected to the inner wall of the mounting frame 1 through bearings, a second driving wheel 30 is fixedly sleeved on the outer wall of one end, away from the stepping motor 4, of the first threaded rod 6, a second driven wheel 31 is fixedly sleeved on the outer wall of one end, away from the stepping motor 4, of the third threaded rod 12, a second belt 32 is arranged outside the second driving wheel 30 and the second driven wheel 31, the second driving wheel 30, the second driven wheel 31 and the second belt 32 are meshed to work, a second threaded sleeve 13 is sleeved on the outer wall of the third threaded rod 12 through threads, the top of the second threaded sleeve 13 is in contact with the inner wall of the top of the mounting frame 1, a heat dissipation fan 14 is fixed at the bottom of the second threaded sleeve 13, the heat dissipation fan 14 comprises a shell, a motor, a rotating shaft and fan blades, the shell is fixed on the, the one end transmission of pivot is connected at the output of motor, and the other end passes through the bearing and rotates the connection on the inner wall of shell, and the flabellum is fixed on the outer wall of pivot, is equipped with a plurality of ventilation holes on the shell, and the both ends of mounting bracket 1 bottom all are fixed with fixed leg 33. When the LED screen main body 3 is used in an external environment for a long time, a lot of dust can be accumulated on the screen, the watching effect is influenced, when the LED screen main body 3 is in a working state, heat can be generated and naturally dissipated from an air outlet, the heat dissipation effect is not good, especially under the condition of high temperature in summer, the use of the LED screen main body 3 can be influenced, a user can drive the first rotating shaft 5 to rotate by operating the stepping motor 4, drive the first threaded rod 6 to rotate, drive the second rotating shaft 7 to rotate by the meshing work of the first driving wheel 27, the first driven wheel 28 and the first belt 29, drive the second threaded rod 8 to rotate, thereby driving the two first threaded sleeves 9 to respectively move on the first threaded rod 6 and the second threaded rod 8, thereby driving the cleaning brush 11 to move, cleaning the screen by brush hair, reducing the workload of the user, bringing convenience to the user, and when the stepping motor 4 is in operation, drive second action wheel 30, second from driving wheel 31 and second belt 32 meshing work, drive third threaded rod 12 and rotate to drive second thread bush 13 and remove, drive heat dissipation fan 14 and carry out the round trip movement in the top of LED screen main part 3, dispel the heat to LED screen main part 3 through operation heat dissipation fan 14, increase the life of LED screen main part 3.

The connecting mechanism comprises a sleeve 15, a connecting hole 16, a sliding groove 17 and a bolt 18, wherein the sleeve 15 is respectively sleeved on the outer walls of two ends of the cleaning brush 11 in a sliding manner, one end of the sleeve 15, far away from the cleaning brush 11, is sleeved on the outer wall of the linkage block 10 in a sliding manner, the connecting hole 16 is respectively arranged at two ends of the sleeve 15, the sliding groove 17 is respectively arranged at two opposite ends of the two linkage blocks 10 and two ends of the cleaning brush 11, the bolt 18 is connected inside the connecting hole 16 and the sliding groove 17 in a sliding manner, two ends of the bolt 18 respectively extend to the outside of the connecting hole 16, the outer wall of the bolt 18, positioned outside the connecting hole 16, is sleeved with a nut 19 through threads, after the cleaning brush 11 is used for a long time, bristles can be damaged, the cleaning effect is influenced, a user can take the nut 19 down from the end of the bolt 18 by rotating the nut, the cleaning brush 11 is removed and replaced.

The limiting mechanism comprises a limiting groove 20, a first hydraulic cylinder 21 and a connecting block 22, the limiting groove 20 is arranged on the inner walls of two sides of one end, close to the stepping motor 4, of the mounting frame 1, the first hydraulic cylinder 21 is fixed on the inner wall of one end, far away from the stepping motor 4, of the limiting groove 20, the connecting block 22 is fixed at the piston end of the first hydraulic cylinder 21, one end, far away from the first hydraulic cylinder 21, of the connecting block 22 is fixed with a transversely arranged spring 23, the other end of the spring 23 is fixed on the inner wall of one end, far away from the first hydraulic cylinder 21, of the limiting groove 20, the bottom of the connecting block 22 is fixed with a vertically arranged second hydraulic cylinder 24, the piston end of the second hydraulic cylinder 24 is fixed with a transversely arranged connecting plate 25, two vertically arranged limiting blocks 26 are fixed at two ends of the bottom of the connecting plate 25, one end, far away from the linkage, the connecting block 22 is driven to move by the contraction of the piston end of the first hydraulic cylinder 21, the two first thread sleeves 9 are driven to move to the first threaded rod 6 and the second threaded rod 8 respectively by the clamping of the limiting block 26, the piston end of the second hydraulic cylinder 24 is driven to contract again, the connecting plate 25 is driven to move, the clamping of the limiting block 26 on the first thread sleeves 9 is cancelled, the two first thread sleeves 9 are driven to move on the first threaded rod 6 and the second threaded rod 8 by the operation of the stepping motor 4, the cleaning brush 11 is driven to move, when the screen does not need to be cleaned, when the first thread sleeves 9 move to the lower part of the limiting groove 20, the piston end of the second hydraulic cylinder 24 is controlled to extend by the operation, so that the limiting block 26 clamps the first thread sleeves 9, the connecting block 22 is driven to move by the extension of the piston end of the first hydraulic cylinder 21, drive stopper 26, drive two first thread bushings 9 and remove respectively to first pivot 5 and second pivot 7 on, step motor 4's operation can not make first thread bushing 9 remove this moment to solitary drive heat dissipation fan 14 removes, dispels the heat to LED screen main part 3.

The working principle is as follows: when the LED screen main body 3 is used in an external environment for a long time, a lot of dust can be accumulated on the screen, the watching effect is influenced, when the LED screen main body 3 is in a working state, heat can be generated and naturally dissipated from an air outlet, the heat dissipation effect is not good, especially under the condition of high temperature in summer, the use of the LED screen main body 3 can be influenced, a user can drive the first rotating shaft 5 to rotate by operating the stepping motor 4, the first threaded rod 6 is driven to rotate, the second rotating shaft 7 is driven to rotate by the meshing work of the first driving wheel 27, the first driven wheel 28 and the first belt 29, the second threaded rod 8 is driven to rotate, when the cleaning brush 11 needs to clean the screen, the connecting block 22 is driven to move by the contraction of the piston end of the first hydraulic cylinder 21, the two first threaded sleeves 9 are driven to move to the first threaded rod 6 and the second threaded rod 8 respectively by the clamping of the limiting, the piston end of the second hydraulic cylinder 24 is driven to contract again to drive the connecting plate 25 to move, the clamping of the limiting block 26 on the first threaded sleeve 9 is cancelled, the two first threaded sleeves 9 are driven to move on the first threaded rod 6 and the second threaded rod 8 through the operation of the stepping motor 4, the cleaning brush 11 is driven to move, the screen is cleaned through the brush hair, the workload of a user is reduced, and convenience is brought to the user, when the screen is not required to be cleaned, when the first threaded sleeve 9 moves to the lower part of the limiting groove 20, the piston end of the second hydraulic cylinder 24 is controlled to extend through operation, so that the limiting block 26 clamps the first threaded sleeve 9, the piston end of the first hydraulic cylinder 21 extends to drive the connecting block 22 to move, the limiting block 26 is driven, and the two first threaded sleeves 9 are driven to move to the first rotating shaft 5 and the second rotating shaft 7 respectively, at this moment, the operation of the stepping motor 4 does not enable the first threaded sleeve 9 to move, the stepping motor 4 drives the second driving wheel 30 while running, the second driven wheel 31 and the second belt 32 are meshed to work, the third threaded rod 12 is driven to rotate, so that the second threaded sleeve 13 is driven to move, the heat dissipation fan 14 is driven to move back and forth above the LED screen main body 3, the heat dissipation fan 14 dissipates heat of the LED screen main body 3 through running, and the service life of the LED screen main body 3 is prolonged.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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 (6)

1. The LED screen with the cleaning function comprises a mounting rack (1) and is characterized in that supporting legs (2) which are vertically arranged are fixed at two ends of the bottom of the mounting rack (1) respectively, an LED screen main body (3) is arranged inside the mounting rack (1), two ends of the bottom of the LED screen main body (3) are fixed on the two supporting legs (2) respectively, a stepping motor (4) is fixed on the inner wall of the top of the left end of the mounting rack (1), the output end of the stepping motor (4) is in transmission connection with a first rotating shaft (5), a first threaded rod (6) is fixed at one end, far away from the stepping motor (4), of the first rotating shaft (5), one end, far away from the first rotating shaft (5), of the first threaded rod (6) is connected on the inner wall of the right end of the mounting rack (1) through a bearing in a rotating manner, a second rotating shaft (7) which is transversely arranged is connected at the bottom of, the right end of the second rotating shaft (7) is fixed with a second threaded rod (8), one end, far away from the second rotating shaft (7), of the second threaded rod (8) is rotatably connected to the inner wall of the right end of the mounting frame (1) through a bearing, the outer walls, far away from one end of the stepping motor (4), of the first rotating shaft (5) and the second rotating shaft (7) are respectively sleeved with a first threaded sleeve (9), linkage blocks (10) are respectively fixed to opposite sides of the two first threaded sleeves (9), a vertically arranged cleaning brush (11) is arranged between the two linkage blocks (10), connecting mechanisms are arranged at two ends of the cleaning brush (11), the cleaning brush (11) is fixed to the linkage blocks (10) through the connecting mechanisms, limiting mechanisms are arranged at deviating ends of the two first threaded sleeves (9), and the first threaded sleeves (9) are connected to the inner wall of the mounting frame (1) through the limiting mechanisms, the top of LED screen main part (3) is equipped with third threaded rod (12), the both ends of third threaded rod (12) are passed through the bearing and are rotated respectively and connect on the inner wall of mounting bracket (1), the outer wall of third threaded rod (12) is equipped with second thread bush (13) through the thread bush, the top of second thread bush (13) contacts with the inner wall at mounting bracket (1) top, the bottom of second thread bush (13) is fixed with heat dissipation fan (14).

2. The LED screen with the cleaning function according to claim 1, wherein the connecting mechanism comprises a sleeve (15), a connecting hole (16), sliding grooves (17) and a bolt (18), the sleeve (15) is respectively sleeved on the outer walls of the two ends of the cleaning brush (11) in a sliding manner, one end of the sleeve (15) far away from the cleaning brush (11) is sleeved on the outer wall of the linkage block (10) in a sliding manner, the connecting hole (16) is respectively arranged at the two ends of the sleeve (15), the sliding grooves (17) are respectively arranged at the opposite ends of the two linkage blocks (10) and the two ends of the cleaning brush (11), the bolt (18) is connected inside the connecting hole (16) and the sliding grooves (17) in a sliding manner, the two ends of the bolt (18) respectively extend to the outside of the connecting hole (16), the outer wall of the bolt (18) positioned outside the connecting hole (16) is sleeved with a nut (19) through threads, the bottom of the cleaning brush (11) is connected with bristles, and the bristles are in contact with the surface of a display screen of the LED screen main body (3).

3. The LED screen with the cleaning function according to claim 1, wherein the limiting mechanism comprises a limiting groove (20), a first hydraulic cylinder (21) and a connecting block (22), the limiting groove (20) is formed in the inner walls of the two sides of one end, close to the stepping motor (4), of the mounting frame (1), the first hydraulic cylinder (21) is fixed on the inner wall of one end, far away from the stepping motor (4), of the limiting groove (20), the connecting block (22) is fixed at the piston end of the first hydraulic cylinder (21), one end, far away from the first hydraulic cylinder (21), of the connecting block (22) is fixed with a transversely arranged spring (23), the other end of the spring (23) is fixed on the inner wall of one end, far away from the first hydraulic cylinder (21), of the limiting groove (20), the bottom of the connecting block (22) is fixed with a vertically arranged second hydraulic cylinder (24), and the piston end of the second hydraulic cylinder (24) is fixed with a transversely arranged connecting plate (25), the two ends of the bottom of the connecting plate (25) are both fixed with vertically arranged limiting blocks (26), and one end, far away from the linkage block (10), of the first threaded sleeve (9) is connected between the two limiting blocks (26) in a sliding mode.

4. The LED screen with the cleaning function according to claim 1, wherein a first driving wheel (27) is fixedly sleeved on the outer wall of the first rotating shaft (5), a first driven wheel (28) is fixedly sleeved on the outer wall of the second rotating shaft (7), a first belt (29) is arranged outside the first driving wheel (27) and the first driven wheel (28), and the first driving wheel (27), the first driven wheel (28) and the first belt (29) are meshed to work.

5. The LED screen with the cleaning function according to claim 1, wherein a second driving wheel (30) is fixedly sleeved on the outer wall of one end, away from the stepping motor (4), of the first threaded rod (6), a second driven wheel (31) is fixedly sleeved on the outer wall of one end, away from the stepping motor (4), of the third threaded rod (12), a second belt (32) is arranged outside the second driving wheel (30) and the second driven wheel (31), and the second driving wheel (30), the second driven wheel (31) and the second belt (32) are meshed to work.

6. The LED screen with the cleaning function according to claim 1, wherein fixing legs (33) are fixed at both ends of the bottom of the mounting rack (1).

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