CN112489571B

CN112489571B - Waterproof device for LED display screen

Info

Publication number: CN112489571B
Application number: CN202011526015.3A
Authority: CN
Inventors: 刘迪红
Original assignee: Suzhou Baco Photoelectric Technology Co ltd
Current assignee: Suzhou Baco Photoelectric Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2022-05-17
Anticipated expiration: 2040-12-22
Also published as: CN112489571A

Abstract

The invention discloses a waterproof device for an LED display screen, which relates to the technical equipment field of the LED display screen, and aims to solve the problems that the existing outdoor display screen body is easy to cause water inflow in rainy and snowy weather, the short circuit of a circuit board is easy to cause, and the service life is shortened. The device is novel in structure, and not only can the purpose of preventing moisture inside the large outdoor display screen and the problem that the humidity inside the large outdoor display screen affects the performance of the machine body be realized, but also the purpose of preventing water from entering the outside of the large outdoor display screen in rainy and snowy days can be realized.

Description

Waterproof device for LED display screen

Technical Field

The invention relates to the technical field of LED display screens, in particular to a waterproof device for an LED display screen.

Background

Along with the continuous development of social economy, the urbanization process step is accelerated continuously, people's spiritual culture life is rich and varied continuously, the LED display screen is as the important instrument in the application of modernized information dissemination, it is visible everywhere in our daily life, wherein the large-scale LED display screen of putting in public areas such as market school road, outdoor work environmental condition is changeable, however the LED display screen belongs to the electronic product, the internal equipment is all waterproof, rain and snow weather leads to outdoor display screen organism to intake easily, cause circuit board short circuit easily, harm such as shorten life, therefore, in order to solve this type of problem, we have proposed a watertight fittings that LED display screen used.

Disclosure of Invention

The waterproof device for the LED display screen provided by the invention solves the problems that the outdoor display screen body is easy to cause water inflow in rainy and snowy weather, the short circuit of a circuit board is easy to cause, and the service life is shortened.

In order to achieve the purpose, the invention adopts the following technical scheme:

a waterproof device for an LED display screen comprises a screen body, wherein two supporting plates which are symmetrically distributed are vertically and fixedly installed at the top end of the screen body, a linkage device is arranged between the two supporting plates and comprises a first sliding rod, a second sliding rod, a third sliding rod, a sliding block, a driven rod and screw rods, the first sliding rod, the second sliding rod and the third sliding rod are sequentially arranged on one side, close to each other, of the two supporting plates, the two supporting plates are rotatably installed with the first sliding rod and the second sliding rod and fixedly installed with the third sliding rod, a plurality of groups of sliding blocks with the same structure are arranged between the two supporting plates, the sliding blocks are all slidably sleeved on the circumferential side walls of the first sliding rod, the second sliding rod and the third sliding rod, the screw rods are vertically and fixedly installed at the bottoms of the sliding blocks, and two driven rods which are hinged to form a V shape are arranged between the two adjacent screw rods, and two the tip of driven lever is articulated with the screw rod, top one side fixed mounting of slider has the mount pad, and the mount pad is located the top of first slide bar, be equipped with rotatory sunshade device on the mount pad, rotatory sunshade device includes flabellum, gear, branch and base rod, one side horizontal rotation installation base rod that the inside of mount pad is close to the second slide bar, and the tip fixed mounting gear of base rod, the gear is longitudinal distribution, and is located the top of first slide bar, the tip fixed mounting that the base rod was kept away from to the gear has branch, and the tip that the gear was kept away from to branch extends to the outside and the fixed mounting flabellum of slider.

Preferably, the first slide bar, the second slide bar and the third slide bar are all parallel to one side of the screen body along the length direction of the first slide bar, the second slide bar is located between the first slide bar and the third slide bar, and the slide block is parallel to one side of the screen body along the width direction of the slide block.

Preferably, the inside one side of slider is equipped with first slide bar assorted first sleeve, and first sleeve slip cap establishes on the circumference lateral wall of first slide bar, the inside one side of keeping away from first sleeve of slider is equipped with third slide bar assorted third sleeve, and third sleeve slip cap establishes on the circumference lateral wall of third slide bar, the inside second sleeve that is equipped with second slide bar assorted of slider, the second sleeve is located between first sleeve and the third sleeve, and the second sleeve cover establishes on the circumference lateral wall of second slide bar, one section of the second slide bar body of rod is equipped with the screw thread, and is close to the screw thread the second sleeve thread cap establishes on the circumference lateral wall of second slide bar, and is close to a side support plate be equipped with on the circumference inner wall of second sleeve with the screw thread that matches on the second slide bar body of rod.

Preferably, the circumferential side wall of the first slide bar is fixedly provided with lugs distributed in an annular array, and the circumferential inner wall of the first sleeve is uniformly distributed with grooves matched with the lugs.

Preferably, the gear is located above the first sleeve, and a tooth block meshed with the gear is arranged on the circumferential outer wall of the first sleeve.

Preferably, a first motor, a second motor and a controller are sequentially arranged inside one of the supporting plates, an output shaft of the first motor is fixedly connected with the top end of the first sliding rod, an output shaft of the second motor is fixedly connected with the top end of the second sliding rod, the controller is of a DATA-7311 type, and an output end of the controller is electrically connected with input ends of the first motor and the second motor.

Preferably, the bottom of the screen body is provided with a moisture-proof layer along the length direction of the screen body, and densely distributed moisture-proof beads are arranged inside the moisture-proof layer.

The invention has the beneficial effects that:

1. through setting up the dampproof course, the bottom is established dampproofing pearl in the screen body, can absorb the moisture that spreads in the bottom air in the organism, avoids the organism inside to be dampened, influences the equipment operation.

2. Through rotatory sunshade device, not only can realize that sleet special weather carries out the purpose that effectively shelters from to large-scale outdoor display screen, can also utilize aggregate unit, contract the flabellum when no bad weather, do not hinder the display screen top heat dissipation, do not hinder illumination yet, picture sense and visual effect when guaranteeing to watch.

To sum up, the device can not only realize carrying out damp-proofing purpose to large-scale outdoor display screen inside, avoid inside humidity to influence the problem of organism performance, can also realize the purpose of preventing the external portion of large-scale outdoor display screen from intaking in sleet day, under sleet weather, the expansion flabellum shelters from sleet, avoids the organism to intake, reduces the probability of organism short circuit fault, increase of service life can contract the flabellum again, do not hinder the light and shine the screen, picture sense and visual effect when having ensured watching.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a top cross-sectional view of the linkage of the present invention;

FIG. 3 is a top cross-sectional view of the linkage of the present invention as it is deployed from the top;

FIG. 4 is a top cross-sectional view of the linkage of the present invention with the top retracted;

FIG. 5 is a top cross-sectional view of the linkage of the present invention with the bottom portion deployed;

FIG. 6 is a top cross-sectional view of the linkage of the present invention with the bottom retracted;

FIG. 7 is a side cross-sectional view of the blade of the present invention shown retracted;

FIG. 8 is a side cross-sectional view of the fan blade of the present invention shown deployed;

fig. 9 is an enlarged view of a in the present invention.

Reference numbers in the figures: 1. a screen body; 2. a support plate; 3. a fan blade; 4. a first slide bar; 5. a second slide bar; 6. a third slide bar; 7. a mounting seat; 8. a slider; 9. a gear; 10. a first sleeve; 11. a strut; 12. a driven lever; 13. a screw; 14. a base shaft; 15. a bump; 16. a second sleeve; 17. a third sleeve; 18. a moisture barrier; 19. a first motor; 20. a second motor; 21. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-9, a watertight fittings that LED display screen used, including the screen body 1, the bottom of the screen body 1 is equipped with dampproof course 18 along its length direction, and the inside of dampproof course 18 is equipped with densely covered dampproof pearl, and the perpendicular fixed mounting in top of the screen body 1 has two backup pads 2 that are mutual symmetric distribution, can play the dampproofing effect to the inside of the screen body 1.

A linkage device is arranged between the two supporting plates 2, the linkage device comprises a first slide bar 4, a second slide bar 5, a third slide bar 6, a slide block 8, a driven bar 12 and a screw 13, the first slide bar 4, the second slide bar 5 and the third slide bar 6 are sequentially arranged at one side, close to each other, of the two supporting plates 2, the two supporting plates 2 are rotatably arranged with the first slide bar 4 and the second slide bar 5 and fixedly arranged with the third slide bar 6, a plurality of groups of slide blocks 8 with the same structure are arranged between the two supporting plates 2, the slide blocks 8 are slidably sleeved on the circumferential side walls of the first slide bar 4, the second slide bar 5 and the third slide bar 6, the screw 13 is vertically and fixedly arranged at the bottom of each slide block 8, two driven bars 12 hinged in a V shape are arranged between the two adjacent screw bars 13, the end parts of the two driven bars 12 are hinged with the screw 13, the first slide bar 4, the second slide bar 5 and the third slide bar 6 are parallel to one side of the screen body 1 along the length direction, and the second slide bar 5 is positioned between the first slide bar 4 and the third slide bar 6, and the slide block 8 is parallel to one side of the screen body 1 along the width direction thereof, so that the purpose of expanding and contracting the fan blades 3 can be realized.

A first sleeve 10 matched with the first slide bar 4 is arranged on one side inside the slide block 8, lugs 15 distributed in an annular array are fixedly arranged on the circumferential side wall of the first slide bar 4, grooves matched with the lugs 15 are uniformly distributed on the circumferential inner wall of the first sleeve 10, the first sleeve 10 is slidably sleeved on the circumferential side wall of the first slide bar 4, a third sleeve 17 matched with the third slide bar 6 is arranged on one side, far away from the first sleeve 10, inside the slide block 8, the third sleeve 17 is slidably sleeved on the circumferential side wall of the third slide bar 6, a second sleeve 16 matched with the second slide bar 5 is arranged inside the slide block 8, the second sleeve 16 is positioned between the first sleeve 10 and the third sleeve 17, the second sleeve 16 is sleeved on the circumferential side wall of the second slide bar 5, a section of the bar body of the second slide bar 5 is provided with threads, and the second sleeve 16 close to the threads is sleeved on the circumferential side wall of the second slide bar 5, and the inner wall of the circumference of the second sleeve 16 close to the supporting plate 2 at one side is provided with a thread matched with the rod body of the second slide bar 5.

Top one side fixed mounting of slider 8 has mount pad 7, and mount pad 7 is located the top of first slide bar 4, be equipped with rotatory sunshade device on the mount pad 7, rotatory sunshade device includes flabellum 3, gear 9, branch 11 and base bar 14, one side horizontal rotation installation base bar 14 that the inside of mount pad 7 is close to second slide bar 5, and the tip fixed mounting gear 9 of base bar 14, gear 9 is longitudinal distribution, and be located the top of first slide bar 4, the tip fixed mounting that base bar 14 was kept away from to gear 9 has branch 11, and the tip that branch 11 kept away from gear 9 extends to the outside of slider 8 and fixed mounting flabellum 3, gear 9 is located the top of first sleeve 10, and be equipped with the tooth piece that meshes with gear 9 on the circumference outer wall of first sleeve 10, can realize sheltering from for screen body 1 at sleet, prevent the purpose of the outside intaking of screen body 1.

A first motor 19, a second motor 20 and a controller 21 are sequentially arranged inside one of the support plates 2, an output shaft of the first motor 19 is fixedly connected with the top end of the first slide bar 4, an output shaft of the second motor 20 is fixedly connected with the top end of the second slide bar 5, the controller 21 is of a DATA-7311 type, an output end of the controller 21 is electrically connected with input ends of the first motor 19 and the second motor 20, and the purposes of driving the fan blades 3 to expand and contract can be achieved.

The working principle is as follows: when the device is used, firstly, the linkage device is started, the controller 21 issues a signal to control and start the second motor 20, the second slide bar 5 starts to rotate, the second sleeve 16 in the slide block 8 close to the support plate 2 at one side moves along the rotating thread on the second slide bar 5 to pull the slide block 8 at the position to move, the third sleeve 17 slides on the third slide bar 6, the screw 13 on the slide block 8 pulls the driven rod 12 to enable the hinged driven rod 12 to start unfolding, all the slide blocks 8 are pulled in sequence, then the rotary shutter device is started, the controller 21 issues a signal to start the first motor 19, the first motor 19 drives the first slide bar 4 to rotate, and the first sleeve 10 starts to rotate due to the fact that the lug 15 on the first slide bar 4 blocks the groove on the inner wall of the first sleeve 10, the gear 9 above the first sleeve 10 is driven to engage and rotate, and the supporting rod 11 on the mounting base 7 is driven to rotate, then the support rod 11 drives the fan blades 3 to rotate, and when the fan blades 3 are tiled to shield the screen body 1 from rain, the work can be completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a watertight fittings that LED display screen was used, includes the screen body (1), its characterized in that, the perpendicular fixed mounting in top of the screen body (1) has two backup pads (2) that are mutual symmetric distribution, two be equipped with linkage between backup pad (2), linkage includes first slide bar (4), second slide bar (5), third slide bar (6), slider (8), driven lever (12) and screw rod (13), two one side that backup pad (2) are close to each other is equipped with first slide bar (4), second slide bar (5) and third slide bar (6) in proper order, and two backup pad (2) rotate the installation with first slide bar (4) and second slide bar (5), and with third slide bar (6) fixed mounting, two be equipped with the same slider (8) of multiunit structure between backup pad (2), and slider (8) all slip cover establish first slide bar (4), On the circumference lateral wall of second slide bar (5) and third slide bar (6), the equal perpendicular fixed mounting in bottom of slider (8) has screw rod (13), and adjacent two be equipped with two articulated driven levers (12) that are the V type between screw rod (13), and two the tip of driven lever (12) is articulated with screw rod (13), top one side fixed mounting of slider (8) has mount pad (7), and mount pad (7) are located the top of first slide bar (4), be equipped with rotatory sunshade device on mount pad (7), rotatory sunshade device includes flabellum (3), gear (9), branch (11) and base rod (14), one side that the inside of mount pad (7) is close to second slide bar (5) transversely rotates installation base rod (14), and the tip fixed mounting gear (9) of base rod (14), gear (9) are longitudinal distribution, and is located the top of first slide bar (4), gear (9) keep away from the tip fixed mounting of base pole (14) has branch (11), and branch (11) keep away from the tip of gear (9) and extend to outside and fixed mounting flabellum (3) of slider (8).

2. The waterproof device for the LED display screen according to claim 1, wherein the first sliding bar (4), the second sliding bar (5) and the third sliding bar (6) are all parallel to one side of the screen body (1) along the length direction thereof, the second sliding bar (5) is located between the first sliding bar (4) and the third sliding bar (6), and the sliding block (8) is parallel to one side of the screen body (1) along the width direction thereof.

3. The waterproof device for the LED display screen according to claim 1, wherein a first sleeve (10) matched with the first slide bar (4) is arranged on one side inside the slider (8), the first sleeve (10) is slidably sleeved on the circumferential side wall of the first slide bar (4), a third sleeve (17) matched with the third slide bar (6) is arranged on one side inside the slider (8) far away from the first sleeve (10), the third sleeve (17) is slidably sleeved on the circumferential side wall of the third slide bar (6), a second sleeve (16) matched with the second slide bar (5) is arranged inside the slider (8), the second sleeve (16) is positioned between the first sleeve (10) and the third sleeve (17), the second sleeve (16) is sleeved on the circumferential side wall of the second slide bar (5), one section of the bar body of the second slide bar (5) is provided with a thread, and the second sleeve (16) close to the screw thread is sleeved on the circumferential side wall of the second sliding rod (5) in a threaded manner, and the circumferential inner wall of the second sleeve (16) close to the side supporting plate (2) is provided with the screw thread matched with the rod body of the second sliding rod (5).

4. The waterproof device for the LED display screen according to claim 3, wherein the circumferential side wall of the first sliding rod (4) is fixedly provided with lugs (15) distributed in an annular array, and the circumferential inner wall of the first sleeve (10) is uniformly distributed with grooves matched with the lugs (15).

5. The waterproof device for the LED display screen according to claim 3, wherein the gear (9) is positioned above the first sleeve (10), and the circumferential outer wall of the first sleeve (10) is provided with a tooth block meshed with the gear (9).

6. The waterproof device for the LED display screen according to claim 3, wherein a first motor (19), a second motor (20) and a controller (21) are sequentially arranged inside one of the support plates (2), an output shaft of the first motor (19) is fixedly connected with the top end of the first sliding rod (4), an output shaft of the second motor (20) is fixedly connected with the top end of the second sliding rod (5), the controller (21) is of a type of DATA-7311, and an output end of the controller (21) is electrically connected with input ends of the first motor (19) and the second motor (20).

7. The waterproof device for the LED display screen according to claim 3, wherein the bottom of the screen body (1) is provided with a moisture-proof layer (18) along the length direction thereof, and densely distributed moisture-proof beads are arranged inside the moisture-proof layer (18).