CN211654176U

CN211654176U - LED display screen convenient to maintain and use

Info

Publication number: CN211654176U
Application number: CN202020225928.0U
Authority: CN
Inventors: 徐剑
Original assignee: Anhui Tuoshi Photoelectric Technology Co ltd
Current assignee: Anhui Tuoshi Photoelectric Technology Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-09
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a LED display screen technical field just discloses a LED display screen convenient to maintain and use, including casing and back shroud, the internally mounted of casing has the LED display module assembly, the back shroud sets up the back at the casing, the equal fixed mounting in four corners at the casing back has the locating piece, the cavity has all been seted up to the inside at four angles of back shroud, the inside of cavity is provided with the chucking subassembly, chucking subassembly and locating piece joint, the middle part of back shroud is provided with the opening, and opening part fixed mounting has a radiator unit. The utility model discloses a joint between back shroud and four locating pieces is realized to the combined design of shifting block, driving lever and chucking subassembly, need not to use bolted connection, and easy operation is convenient, makes things convenient for opening and shutting of casing to make things convenient for the maintenance and the maintenance of inside LED display module assembly, utilize radiator unit's design, realize the forced air cooling heat dissipation, improved the radiating effect, thereby improve the performance of LED display screen.

Description

LED display screen convenient to maintain and use

Technical Field

The utility model relates to a LED display screen technical field specifically is a LED display screen convenient to maintain and use.

Background

With the increasing maturity of the production technology of the LED display screen, the LED display screen is more and more widely applied, the LED display screen generally consists of a shell and a built-in LED display module, the LED display module mainly consists of an LED lamp, a PCB circuit board, a driving IC, a resistor, a capacitor and a plastic suite, and the LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news issue, stock exchange and the like.

Along with the extensive use of LED display screen, each trade especially the focus on the aspect of the quick assembly disassembly of LED display module assembly of display screen lease trade is very outstanding, because of receiving the restriction of space and cost, the casing of present LED display screen relies on the bolt to install mostly, when demolising the shell and overhauls LED display module assembly, operating procedure is comparatively loaded down with trivial details, and the radiating effect of LED display screen is general moreover, has seriously influenced performance, for this reason, we propose a LED display screen convenient to maintain and use.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problems existing in the prior art, an aspect of the present invention is to provide an LED display screen convenient for maintenance and use.

In order to realize the above-mentioned purpose, the utility model provides a pair of LED display screen convenient to maintain and use, including casing and back shroud, the internally mounted of casing has the LED display module assembly, the back shroud sets up the back at the casing, the equal fixed mounting in four corners at the casing back has the locating piece, the cavity has all been seted up to the inside at four angles of back shroud, the inside of cavity is provided with the chucking subassembly, chucking subassembly and locating piece joint, the middle part of back shroud is provided with the opening, and opening part fixed mounting has radiator unit.

Preferably, the chucking subassembly is including being located inside dead lever, sleeve pipe, backing ring and the spring of cavity, dead lever fixed mounting is in cavity one side inwards, sheathed tube one end and backing ring fixed connection, and the activity suit is at the other end of dead lever, spring activity suit is at the middle part of dead lever, the both ends of spring respectively with the inner wall fixed connection of backing ring and cavity, the sheathed tube other end extends to the outside of cavity, and with adjacent locating piece joint.

Preferably, the cavity is arranged in the middle of the four outer corners of the rear cover plate and is located on an angular bisector of the outer corners of the rear cover plate, through holes communicated with the cavity are formed in the four outer corners of the rear cover plate, and the sleeve penetrates through the through holes and is connected with the inner walls of the through holes in a sliding mode.

Preferably, the locating piece is the fillet form, the outer angle of back shroud and the inner circle looks block of locating piece, the constant head tank has been seted up to the inner circle of locating piece, and the sleeve pipe is located the outside one end of cavity and extends to the constant head tank in, and with the constant head tank joint.

Preferably, the four outer corners of the rear cover plate are provided with sliding grooves communicated with the cavity, the outer portion of the rear cover plate is connected with a shifting block in a sliding mode, the middle of the shifting block is fixedly connected with a shifting rod, the bottom end of the shifting rod penetrates through the sliding grooves and extends into the cavity, the bottom end of the shifting rod is fixedly connected with the outer surface of one end of the sleeve, and the shifting rod is connected with the inner wall of the sliding grooves in a sliding mode.

Preferably, the heat dissipation assembly comprises a box body and a heat dissipation fan, the back face of the box body is open, the back face of the box body is communicated with the inside of the shell through an opening of the rear cover plate, the heat dissipation fan is fixedly installed in the box body through screws, and heat dissipation holes are formed in the box body.

Compared with the prior art, the utility model provides a LED display screen convenient to maintain and use has following beneficial effect:

the utility model discloses a LED display screen when overhauing and maintaining, stir the shifting block inwards, the shifting block drives the driving lever and slides inwards along the spout, the driving lever drives sleeve pipe and backing ring and slides on the dead lever, the backing ring extrudes the spring inwards, the spring is extruded and deformed, the sleeve pipe is located the outside one end of cavity and is taken out from the constant head tank, at this moment, can dismantle the back shroud, utilize the reverse acting force that the spring takes place elastic deformation and produce, realize the elastic joint of sleeve pipe and constant head tank, be convenient for the joint between back shroud and four locating pieces, need not to use bolted connection, the easy operation is convenient, facilitate the opening and shutting of casing, thereby make things convenient for inside LED display module's maintenance and maintenance, utilize radiator fan's rotation, produce wind-force and air current, the inside heat of casing is arranged to the external world along with the air current from the louvre, realizes the forced air cooling heat dissipation, has improved the radiating effect to improve the performance of LED display screen.

Drawings

Fig. 1 is a schematic back structure diagram of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is a schematic view of the cross-sectional structure of the outer corner of the rear cover plate of the present invention;

fig. 4 is a schematic view of a sectional structure of the heat dissipation assembly of the present invention.

In the figure: 1. a housing; 2. a rear cover plate; 3. positioning blocks; 4. a clamping assembly; 5. fixing the rod; 6. a sleeve; 7. a backing ring; 8. a spring; 9. a cavity; 10. positioning a groove; 11. shifting blocks; 12. a chute; 13. a heat dissipating component; 14. a box body; 15. a heat dissipation fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Referring to fig. 1-4, an LED display screen convenient for maintenance and use includes a housing 1 and a rear cover plate 2, an LED display module is mounted inside the housing 1, the rear cover plate 2 is disposed on the back of the housing 1, positioning blocks 3 are fixedly mounted at four corners of the back of the housing 1, cavities 9 are formed inside four corners of the rear cover plate 2, a clamping assembly 4 is disposed inside the cavities 9, the clamping assembly 4 is clamped with the positioning blocks 3, an opening is disposed in the middle of the rear cover plate 2, and a heat dissipation assembly 13 is fixedly mounted at the opening.

Chucking subassembly 4 is including being located cavity 9 inside dead lever 5, sleeve pipe 6, backing ring 7 and

spring

8, 5 fixed mounting of dead lever are in cavity 9 one side inwards, sleeve pipe 6's one end and backing ring 7 fixed connection, and the activity suit is at the other end of

dead lever

5, 8 movable suit of spring are at the middle part of dead lever 5, the both ends of spring 8 respectively with the inner wall fixed connection of backing ring 7 and cavity 9, the other end of sleeve pipe 6 extends to the outside of cavity 9, and with 3 joints of adjacent locating piece.

The internal diameter of sleeve pipe 6 and backing ring 7 equals, and the inner wall all with the surface sliding connection of dead lever 5, when sleeve pipe 6 inwards extrudees, backing ring 7 can extrude spring 8, utilizes the resilience of spring 8, can realize that sleeve pipe 6's elasticity receive and releases, is convenient for sleeve pipe 6 and locating piece 3 carry out the joint.

The cavity 9 is arranged in the middle of four outer corners of the rear cover plate 2, the cavity 9 is positioned on an angular bisector of the outer corners of the rear cover plate 2, through holes communicated with the cavity 9 are formed in the four outer corners of the rear cover plate 2, and the sleeve 6 penetrates through the through holes and is connected with the inner wall of the through holes in a sliding mode, so that the sleeve 6 is convenient to fold and unfold.

The locating piece 3 is fillet form, and the outer angle of back shroud 2 and the inner circle looks block of locating piece 3 have seted up constant head tank 10 with the inner circle of locating piece 3, and sleeve pipe 6 is located the outside one end of cavity 9 and extends to in the constant head tank 10, and with constant head tank 10 joint.

All offer the spout 12 that is linked together with cavity 9 on four outer corners of back shroud 2, the outside sliding connection of back shroud 2 has shifting block 11, the middle part fixedly connected with driving lever of shifting block 11, and the bottom of driving lever passes spout 12 and extends to in the cavity 9, and with the one end outer fixed surface of sleeve 6 and be connected, the inner wall sliding connection of driving lever and spout 12.

Radiator unit 13 is including box body 14 and radiator fan 15, the back of box body 14 is uncovered design, and the opening through back shroud 2 is linked together with the inside of casing 1, radiator fan 15 passes through screw fixed mounting in box body 14, the louvre has been seted up on the box body 14, radiator fan 15 is the drive fan of conventional motor, the screw has all been seted up in radiator fan 15's four corners, a supporting use for the screw, driving motor passes through the wire and is connected with the power cord, when radiator fan 15 rotates, the inside heat of casing 1 is discharged from the louvre to the air current that wind-force formed, realize the forced air cooling heat dissipation.

When the LED display screen of the utility model is maintained, the shifting block 11 is shifted inwards to drive the shifting rod to slide inwards along the sliding groove 12, the shifting rod drives the sleeve 6 and the backing ring 7 to slide on the fixed rod 5, the backing ring 7 extrudes the spring 8 inwards, the spring 8 is extruded and deformed, one end of the sleeve 6 outside the cavity 9 is drawn out from the positioning groove 10, at the moment, the rear cover plate 2 can be disassembled, the reverse acting force generated by the elastic deformation of the spring 8 is utilized to realize the elastic clamping of the sleeve 6 and the positioning groove 10, the clamping between the rear cover plate 2 and the four positioning blocks 3 is convenient, the bolt connection is not needed, the operation is simple and convenient, the opening and closing of the shell 1 are convenient, thereby facilitating the maintenance of the internal LED display module, the wind power and the air current are generated by utilizing the rotation of the cooling fan 15, the heat in the shell 1 is discharged to the outside along with, the heat dissipation effect is improved, and therefore the service performance of the LED display screen is improved.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the present invention, the scope of which is defined by the appended claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides a LED display screen convenient to maintain and use, includes casing (1) and back shroud (2), the internally mounted of casing (1) has LED display module assembly, back shroud (2) set up the back at casing (1), a serial communication port, the equal fixed mounting in four corners at the casing (1) back has locating piece (3), cavity (9) have all been seted up to the inside at four angles of back shroud (2), the inside of cavity (9) is provided with chucking subassembly (4), chucking subassembly (4) and locating piece (3) joint, the middle part of back shroud (2) is provided with the opening, and opening part fixed mounting has radiator unit (13).

2. The LED display screen convenient to maintain and use according to claim 1, wherein the clamping assembly (4) comprises a fixing rod (5), a sleeve (6), a backing ring (7) and a spring (8) which are located inside a cavity (9), the fixing rod (5) is fixedly installed on the inward side of the cavity (9), one end of the sleeve (6) is fixedly connected with the backing ring (7), the spring is movably sleeved at the other end of the fixing rod (5), the spring (8) is movably sleeved at the middle of the fixing rod (5), two ends of the spring (8) are fixedly connected with the inner walls of the backing ring (7) and the cavity (9) respectively, the other end of the sleeve (6) extends to the outside of the cavity (9), and is clamped with the adjacent positioning block (3).

3. The LED display screen convenient to maintain and use according to claim 2, wherein the cavity (9) is arranged in the middle of four outer corners of the rear cover plate (2), the cavity (9) is located on an angular bisector of the outer corners of the rear cover plate (2), through holes communicated with the cavity (9) are formed in the four outer corners of the rear cover plate (2), and the sleeve (6) penetrates through the through holes and is in sliding connection with the inner walls of the through holes.

4. The LED display screen convenient to maintain and use according to claim 1, wherein the positioning block (3) is in a shape of a circular angle, the outer corner of the rear cover plate (2) is clamped with the inner ring of the positioning block (3), the inner ring of the positioning block (3) is provided with a positioning groove (10), and one end, located outside the cavity (9), of the sleeve (6) extends into the positioning groove (10) and is clamped with the positioning groove (10).

5. The LED display screen convenient to maintain and use according to claim 1, wherein four outer corners of the rear cover plate (2) are provided with sliding grooves (12) communicated with the cavity (9), the outer portion of the rear cover plate (2) is connected with a shifting block (11) in a sliding manner, the middle portion of the shifting block (11) is fixedly connected with a shifting lever, the bottom end of the shifting lever penetrates through the sliding grooves (12) and extends into the cavity (9), and is fixedly connected with the outer surface of one end of the sleeve (6), and the shifting lever is connected with the inner wall of the sliding grooves (12) in a sliding manner.

6. The LED display screen convenient to maintain and use according to claim 1, wherein the heat dissipation assembly (13) comprises a box body (14) and a heat dissipation fan (15), the back of the box body (14) is open, the box body is communicated with the inside of the casing (1) through an opening of the rear cover plate (2), the heat dissipation fan (15) is fixedly installed in the box body (14) through screws, and the box body (14) is provided with heat dissipation holes.