CN211321773U

CN211321773U - Protection device for LED display screen

Info

Publication number: CN211321773U
Application number: CN202020179787.3U
Authority: CN
Inventors: 杨国辉
Original assignee: Jinan Tianli Hengda Electronic Technology Co ltd
Current assignee: Jinan Tianli Hengda Electronic Technology Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-08-21
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses a protection device for LED display screen, which comprises a housin, the inside of casing is provided with LED display screen body and fan, and the LED display screen body is located one side of fan, install respectively in first U type cardboard and second U type cardboard on the top and the bottom of LED display screen body, the inside bottom one side at the casing is installed to second U type cardboard, the mounting groove has been seted up at the top of first U type cardboard, install the bearing in the mounting groove, install the pivot in the bearing, screw hole and hand wheel connection on the casing are passed on the top of pivot. The utility model solves the problem that the prior protective device for the LED display screen can not effectively radiate, damp-proof and dust-proof the LED display screen body, thus causing the service life of the LED display screen body to be short; the utility model discloses can effectually carry out effectual heat dissipation, dampproofing and dustproof to the LED display screen body, improve the life of LED display screen body, the practicality is strong.

Description

Protection device for LED display screen

Technical Field

The utility model relates to a LED display screen technical field specifically is a protection device for LED display screen.

Background

An LED display (LED display) is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, video, and the like. The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, security trading and the like, and can meet the requirements of different environments.

However, the conventional protection device for the LED display screen cannot effectively dissipate heat, prevent moisture and prevent dust for the LED display screen body, so that the service life of the LED display screen body is short; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection device for LED display screen to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a protection device for an LED display screen comprises a shell, wherein an LED display screen body and a fan are arranged inside the shell, the LED display screen body is positioned on one side of the fan, the top end and the bottom end of the LED display screen body are respectively arranged in a first U-shaped clamping plate and a second U-shaped clamping plate, the second U-shaped clamping plate is arranged on one side of the bottom end inside the shell, a mounting groove is formed in the top of the first U-shaped clamping plate, a bearing is arranged in the mounting groove, a rotating shaft is arranged in the bearing, the top end of the rotating shaft penetrates through a threaded hole in the shell to be connected with a hand wheel, a first air inlet is formed in one side of the threaded hole, a box body is arranged at the top of the shell, a plate-type primary air filter screen and a hollow rectangular plate are arranged inside the box body, a plate-type primary air filter screen and a hollow, and the board-like airstrainer that just imitates is located the top of cavity rectangular plate, the board-like both ends of just imitating airstrainer are all installed in third U type cardboard, the lug is all installed to the both sides outer wall of cavity rectangular plate, the lug is installed in third U type cardboard, the inside packing of cavity rectangular plate has the molecular sieve, the through-hole has all been seted up to the upper surface and the lower surface of cavity rectangular plate.

Preferably, the inner walls of the first U-shaped clamping plate and the second U-shaped clamping plate are respectively provided with first sponge rubber and second sponge rubber.

Preferably, the threaded hole is formed in one side of the top of the shell, an external thread is arranged in the middle section of the outer wall of the rotating shaft, and the external thread on the rotating shaft is meshed with the internal thread on the wall of the threaded hole.

Preferably, the front end face of the shell is provided with a first sealing door, the first sealing door is provided with a first safety lock, the front end face of the box body is provided with a second sealing door, and the second sealing door is provided with a second safety lock.

Preferably, a transparent window is arranged on the outer wall of one side of the shell, and a first air outlet is formed in the outer wall of the other side of the shell.

Preferably, the top and the bottom of the box body are respectively provided with a second air inlet and a second air outlet, and the second air inlet is communicated with the first air inlet.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is arranged by matching a series of structures, when the LED display screen body works, the fan is started, external air flows in the first air inlet, the second air outlet and the first air outlet in sequence, the external air enters the shell and is discharged from the first air outlet, thereby effectively dissipating heat of the LED display screen body inside the shell, avoiding the damage of the LED display screen body caused by overhigh temperature inside the shell, the plate-type primary air filter screen can filter dust in the external air, avoiding the accumulation of a large amount of dust on electronic elements inside the LED display screen body caused by the dust in the external air entering the shell, the molecular sieve in the hollow rectangular plate can adsorb moisture in the air, playing a damp-proof role, avoiding the damage of the LED display screen body in a humid environment, therefore, the utility model solves the problem that the service life of the LED display screen body is low because the existing protection device for the LED display screen can not effectively radiate, damp-proof and dust-proof the LED display screen body; the utility model discloses can effectually carry out effectual heat dissipation, dampproofing and dustproof to the LED display screen body, improve the life of LED display screen body, the practicality is strong.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a left side view of the present invention;

FIG. 5 is a schematic view of the internal structure of the box body of the present invention;

fig. 6 is a cross-sectional view of the hollow rectangular plate of the present invention;

fig. 7 is a schematic structural view of the rotating shaft of the present invention.

In the figure: 1. a hand wheel; 2. a rotating shaft; 3. an external thread; 4. a housing; 5. a first sealing door; 6. a first safety lock; 7. a first air inlet; 8. a second sealing door; 9. a second safety lock; 10. a box body; 11. a fan; 12. a first air outlet; 13. a first U-shaped clamping plate; 14. a first sponge rubber; 15. an LED display screen body; 16. a second U-shaped clamping plate; 17. a second sponge rubber; 18. a transparent window; 19. a threaded hole; 20. a bearing; 21. mounting grooves; 22. a plate-type primary air filter screen; 23. a second air inlet; 24. a third U-shaped clamping plate; 25. a bump; 26. a hollow rectangular plate; 27. a second air outlet; 28. a molecular sieve; 29. and a through hole.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides an embodiment: a protection device for an LED display screen comprises a shell 4, an LED display screen body 15 and a fan 11 are arranged inside the shell 4, the LED display screen body 15 is located on one side of the fan 11, the top end and the bottom end of the LED display screen body 15 are respectively installed in a first U-shaped clamping plate 13 and a second U-shaped clamping plate 16, the second U-shaped clamping plate 16 is installed on one side of the inner bottom end of the shell 4, an installation groove 21 is formed in the top of the first U-shaped clamping plate 13, a bearing 20 is installed in the installation groove 21, a rotating shaft 2 is installed in the bearing 20, the top end of the rotating shaft 2 penetrates through a threaded hole 19 in the shell 4 to be connected with a hand wheel 1, a first air inlet 7 is formed in one side of the threaded hole 19, the first air inlet 7 is formed in the top of the shell 4, a box body 10 is arranged below the first air inlet 7 and is installed at the inner top end of the shell 4, a plate type, the plate-type primary air filter screen 22 is positioned above the hollow rectangular plate 26, two ends of the plate-type primary air filter screen 22 are both arranged in the third U-shaped clamping plate 24, two outer walls of two sides of the hollow rectangular plate 26 are both provided with the convex blocks 25, the convex blocks 25 are arranged in the third U-shaped clamping plate 24, the hollow rectangular plate 26 is filled with the molecular sieve 28, the upper surface and the lower surface of the hollow rectangular plate 26 are both provided with the through holes 29, the inner walls of the first U-shaped clamping plate 13 and the second U-shaped clamping plate 16 are respectively provided with the first sponge rubber 14 and the second sponge rubber 17, the threaded hole 19 is arranged on one side of the top of the shell 4, the middle section of the outer wall of the rotating shaft 2 is provided with the external thread 3, the external thread 3 on the rotating shaft 2 is meshed and connected with the internal thread on the hole wall of the threaded hole 19, the front end face of the shell 4 is provided with the first safety lock, the second sealing door 8 is provided with a second safety lock 9, the outer wall of one side of the shell 4 is provided with a transparent window 18, the outer wall of the other side of the shell 4 is provided with a first air outlet 12, the top and the bottom of the box body 10 are respectively provided with a second air inlet 23 and a second air outlet 27, and the second air inlet 23 is communicated with the first air inlet 7.

The working principle is as follows: when the LED display screen body 15 works, the fan 11 is started, external air flows in the first air inlet 7, the second air inlet 23, the second air outlet 27 and the first air outlet 12 in sequence, the external air enters the shell 4 and is discharged from the first air outlet 12, so that the LED display screen body 15 inside the shell 4 is effectively radiated, the phenomenon that the LED display screen body 15 is damaged due to overhigh temperature inside the shell 4 is avoided, the plate-type primary air filter screen 22 can filter dust in the external air, the phenomenon that a large amount of dust is accumulated on electronic elements inside the LED display screen body 15 due to the fact that the dust in the external air enters the shell 4 is avoided, the molecular sieve 28 in the hollow rectangular plate 26 can adsorb moisture in the air, the moisture-proof effect is achieved, and the phenomenon that the LED display screen body 15 is damaged due to the fact that the LED display screen body 15 is in a humid environment is avoided, therefore, the utility model solves the problem that the prior protective device for the LED display screen can not effectively radiate, damp-proof and dust-proof the LED display screen body 15, which causes the service life of the LED display screen body 15 to be short; the utility model discloses can effectually carry out effectual heat dissipation, dampproofing and dustproof to LED display screen body 15, improve LED display screen body 15's life, the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 utility model provides a protection device for LED display screen, includes casing (4), its characterized in that: the LED display screen comprises a shell (4), an LED display screen body (15) and a fan (11) are arranged inside the shell (4), the LED display screen body (15) is located on one side of the fan (11), the top end and the bottom end of the LED display screen body (15) are respectively installed in a first U-shaped clamping plate (13) and a second U-shaped clamping plate (16), the second U-shaped clamping plate (16) is installed on one side of the bottom end inside the shell (4), an installation groove (21) is formed in the top of the first U-shaped clamping plate (13), a bearing (20) is installed in the installation groove (21), a rotating shaft (2) is installed in the bearing (20), the top end of the rotating shaft (2) penetrates through a threaded hole (19) in the shell (4) to be connected with a hand wheel (1), a first air inlet (7) is arranged on one side of the threaded hole (19), and the first air inlet (7) is formed in the, the utility model discloses a novel air purifier, including casing (4), first air intake (7), box (10), and box (10) are provided with box (10), and the inside top at casing (4) is installed in box (10), the inside of box (10) is provided with board-like just imitating air filter screen (22) and hollow rectangular plate (26), and just board-like just imitating air filter screen (22) and being located the top of hollow rectangular plate (26), the both ends of board-like just imitating air filter screen (22) are all installed in third U type cardboard (24), lug (25) are all installed to the both sides outer wall of hollow rectangular plate (26), lug (25) are installed in third U type cardboard (24), the inside packing of hollow rectangular plate (26) has molecular sieve (28), through-hole (29) have all been seted up to the upper surface and the lower surface of hollow rectangular plate (26).

2. The protection device for the LED display screen according to claim 1, wherein: and the inner walls of the first U-shaped clamping plate (13) and the second U-shaped clamping plate (16) are respectively provided with a first sponge rubber (14) and a second sponge rubber (17).

3. The protection device for the LED display screen according to claim 1, wherein: threaded hole (19) are seted up in top one side of casing (4), the outer wall interlude of pivot (2) is provided with external screw thread (3), external screw thread (3) on pivot (2) are connected with the internal thread engagement on threaded hole (19) pore wall.

4. The protection device for the LED display screen according to claim 1, wherein: the front end face of the shell (4) is provided with a first sealing door (5), a first safety lock (6) is arranged on the first sealing door (5), a second sealing door (8) is arranged on the front end face of the box body (10), and a second safety lock (9) is arranged on the second sealing door (8).

5. The protection device for the LED display screen according to claim 1, wherein: a transparent window (18) is arranged on the outer wall of one side of the shell (4), and a first air outlet (12) is formed in the outer wall of the other side of the shell (4).

6. The protection device for the LED display screen according to claim 1, wherein: the top and the bottom of the box body (10) are respectively provided with a second air inlet (23) and a second air outlet (27), and the second air inlet (23) is communicated with the first air inlet (7).