CN216527864U

CN216527864U - LED display screen box with positioning mechanism

Info

Publication number: CN216527864U
Application number: CN202123251179.2U
Authority: CN
Inventors: 李瑛�; 郝宗潮; 李新辉; 黄立敏; 黄伟燕; 郭阳; 付丽娟; 胡日浩; 汤洪波; 刘秋河
Original assignee: Shenzhen Infiled Electronics Co Ltd
Current assignee: Shenzhen Infiled Electronics Co Ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-13
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the technical field of display screens, in particular to an LED display screen box body with a positioning mechanism, which comprises: the PCB comprises a cavity, a connecting body and a PCB board, wherein the connecting body is arranged inside the cavity; pushing mechanism, the outer wall of PCB board is provided with pushing mechanism, pushing mechanism is including hindering board and fixed plate, the outer wall laminating of PCB board bottom has the board of hindering, and the bottom mounting of board of hindering has connector inner wall, the both sides of hindering the board are fixed at the fixed plate inner wall, and are two sets of be fixed with the dead lever between the fixed plate, and the inside intermediate position department of dead lever has the screw thread loop bar through pivot swing joint, the top of screw thread loop bar is fixed with first conical gear, and the lateral wall meshing of first conical gear has second conical gear, second conical gear outer wall is fixed with the bull stick. The utility model realizes the positioning operation of the installation of the PCB, ensures the stable installation of the PCB and simultaneously ensures that the installation of the PCB is more convenient.

Description

LED display screen box with positioning mechanism

Technical Field

The utility model relates to the technical field of display screens, in particular to an LED display screen box body with a positioning mechanism.

Background

The LED display screen is a flat panel display, consists of small LED module panels and is used for displaying various information such as characters, images, videos and the like, and consists of a plurality of groups of parts, wherein a display screen box body is an important component.

The inside of current box generally is provided with the PCB board, is connected PCB board and box through the bolt, but when PCB appears damaging, need dismantle the multiunit bolt and just can pull down the PCB board, and the installation also need twist and move the multiunit bolt and just can realize fixing the location of PCB board, and is comparatively loaded down with trivial details, has reduced the convenience and the practicality of device, therefore needs a LED display screen box that has positioning mechanism to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an LED display screen box body with a positioning mechanism, and aims to solve the problem that the existing PCB provided in the background art is complicated because the positioning and the installation are realized through bolts.

In order to achieve the purpose, the utility model provides the following technical scheme: an LED display screen box with a positioning mechanism comprises:

the PCB comprises a cavity, a connecting body and a PCB board, wherein the connecting body is arranged inside the cavity;

the pushing mechanism is arranged on the outer wall of the PCB and comprises a blocking plate and fixed plates, the blocking plate is attached to the outer wall of the bottom end of the PCB, the bottom end of the blocking plate is fixed to the inner wall of the connector, two sides of the blocking plate are fixed to the inner wall of the fixed plates, a fixed rod is fixed between the two groups of fixed plates, a threaded sleeve rod is movably connected to the middle position inside the fixed rod through a rotating shaft, a first conical gear is fixed to the top end of the threaded sleeve rod, a second conical gear is meshed with the side wall of the first conical gear, a rotating rod is fixed to the outer wall of the second conical gear, the outer wall of the rotating rod is movably connected to the inside of the connecting sleeve block through a bearing, a connecting rod is fixed to the bottom end of the connecting sleeve block, and the bottom end of the connecting rod is fixed to the outer wall of the fixed rod;

the clamping mechanism is arranged at the top end of the PCB and comprises a screw rod and a push plate;

the cleaning mechanism is arranged on the outer wall of one side of the connecting body and comprises a movable plate and a cleaning brush.

Preferably, the screw rod is connected to the internal thread of the threaded sleeve rod, the bottom end of the screw rod is fixed to the surface of the push plate, the clamping plates are inserted into two sides of the interior of the push plate, the springs are fixed to the top ends of the clamping plates, and the top ends of the springs are fixed to the inner wall of the push plate.

Preferably, fixed loop bars are fixed to two sides of the outer wall of the fixed bar, insertion bars are inserted into the fixed loop bars, and the bottom ends of the insertion bars are fixed to the top end of the push plate.

Preferably, the surface of the connector is provided with a movable plate, the inner wall of the movable plate is fixed with a cleaning brush matched with the PCB, and two ends of the movable plate are connected with the connector in a sliding mode through sliders.

Preferably, a moving rod is fixed at the top end of the moving plate, a bolt is connected to the inner thread of the moving rod, and the bottom end of the bolt is inserted into the connecting body.

Preferably, the two sides inside the connecting body are provided with sliding openings matched with the sliding blocks.

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

1. this LED display screen box with positioning mechanism is provided with pushing mechanism and fixture, when needs fix a position the fixed to the PCB board, the bottom of blocking board to the PCB board blocks, twist and move the bull stick, the screw rod promotes push pedal synchronous motion, hug closely the top of PCB board until the grip block, the realization is fixed the location of PCB board, through the aforesaid design, realize the location operation to the PCB board installation, make the installation of PCB board stable, and simultaneously, make the installation of PCB board more convenient, the convenience and the practicality of device have been improved.

2. This LED display screen box with positioning mechanism is provided with clearance mechanism, when needs clear up PCB board surface dust, twists and moves the bolt, and the bolt shifts out from the connector is inside, promotes the movable plate, cleans PCB board surface dust through the cleaning brush, through the aforesaid design, is convenient for clear up PCB board surface dust, avoids PCB board surface dust accumulation and influences operating personnel and observes PCB board surface solder joint to be convenient for observe and overhaul the solder joint, improved the practicality of device.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic side sectional view of a pushing mechanism according to the present invention;

FIG. 4 is a schematic side sectional view of the structure of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention.

In the figure: 1. a cavity; 2. a linker; 3. a PCB board; 4. a pushing mechanism; 41. a damming board; 42. a fixing plate; 43. fixing the rod; 44. a threaded rod; 45. a first bevel gear; 46. a second bevel gear; 47. a rotating rod; 48. connecting the sleeve blocks; 49. a connecting rod; 5. a clamping mechanism; 51. a screw; 52. pushing the plate; 53. a clamping plate; 54. a spring; 55. fixing the loop bar; 56. inserting a rod; 6. a cleaning mechanism; 61. moving the plate; 62. a cleaning brush; 63. a slider; 64. a travel bar; 65. and (4) bolts.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown:

an LED display screen box with a positioning mechanism comprises: the structure comprises a cavity 1, wherein a connector 2 is arranged inside the cavity 1, and a PCB 3 is arranged inside the connector 2; the pushing mechanism 4 is arranged on the outer wall of the PCB 3, the pushing mechanism 4 comprises a blocking plate 41 and fixing plates 42, the blocking plate 41 is attached to the outer wall of the bottom end of the PCB 3, the bottom end of the blocking plate 41 is fixed to the inner wall of the connecting body 2, two sides of the blocking plate 41 are fixed to the inner wall of the fixing plates 42, a fixing rod 43 is fixed between the two groups of fixing plates 42, a threaded sleeve rod 44 is movably connected to the middle position inside the fixing rod 43 through a rotating shaft, a first conical gear 45 is fixed to the top end of the threaded sleeve rod 44, a second conical gear 46 is meshed with the side wall of the first conical gear 45, a rotating rod 47 is fixed to the outer wall of the second conical gear 46, the outer wall of the rotating rod 47 is movably connected inside a connecting sleeve block 48 through a bearing, a connecting rod 49 is fixed to the bottom end of the connecting sleeve block 48, and the bottom end of the connecting rod 49 is fixed to the outer wall of the fixing rod 43; the clamping mechanism 5 is arranged at the top end of the PCB 3, the clamping mechanism 5 comprises a screw rod 51 and a push plate 52, and through the design, the PCB 3 can be clamped and positioned conveniently, so that the PCB 3 can be mounted more stably;

clearance mechanism 6, the outer wall of connector 2 one side is provided with clearance mechanism 6, and clearance mechanism 6 includes movable plate 61 and cleaning brush 62.

The inside threaded connection of screw-thread loop bar 44 has screw rod 51, and screw rod 51's bottom mounting is on push pedal 52 surface, and the inside both sides of push pedal 52 are inserted and are equipped with grip block 53, and grip block 53's top is fixed with spring 54, and spring 54's top is fixed at push pedal 52 inner wall, and through this design, it is spacing to carry out the centre gripping to PCB board 3 for PCB board 3 is more firm.

Fixed loop bar 55 is fixed with to the both sides of dead lever 43 outer wall, and the inside of fixed loop bar 55 is inserted and is equipped with inserted bar 56, and the bottom mounting of inserted bar 56 is on push pedal 52 top, through this design, carries on spacingly to push pedal 52 for push pedal 52 only can reciprocate, makes push pedal 52's removal more smooth and easy.

The surface of connector 2 is provided with movable plate 61, and the inner wall of movable plate 61 is fixed with the cleaning brush 62 who mutually supports with PCB board 3, and slider 63 and connector 2 sliding connection are passed through to the both ends of movable plate 61, through this design, are convenient for clear up PCB board 3 surface dust.

The moving rod 64 is fixed at the top end of the moving plate 61, the bolt 65 is connected to the inner thread of the moving rod 64, and the bottom end of the bolt 65 is inserted into the connecting body 2.

The sliding openings matched with the sliding blocks 63 are formed in the two sides of the interior of the connecting body 2, and through the design, the moving plate 61 is limited in moving, so that the moving plate 61 can move more stably.

The working principle is as follows: when the PCB 3 needs to be positioned and fixed, the PCB 3 is firstly inserted between the two groups of fixing plates 42, the blocking plate 41 blocks the bottom end of the PCB 3, then the rotating rod 47 is screwed, the rotating rod 47 drives the second bevel gear 46 to synchronously rotate, the second bevel gear 46 drives the first bevel gear 45 to synchronously rotate, the first bevel gear 45 rotates the threaded sleeve rod 44, the screw rod 51 moves downwards under the matching of the outer wall threads of the screw rod 51 and the inner wall threads of the threaded sleeve rod 44, the screw rod 51 pushes the push plate 52 to synchronously move until the clamping plate 53 is tightly attached to the top end of the PCB 3, and at the moment, the spring 54 is in a compression force storage state, so that the positioning and fixing operation of the PCB 3 is realized.

When the dust on the surface of the PCB 3 needs to be cleaned, the bolt 65 is firstly screwed, so that the bolt 65 moves out from the inside of the connector 2, then the moving plate 61 is pushed, the moving plate 61 drives the cleaning brush 62 to move synchronously, the slider 63 moves inside the sliding opening along with the moving plate 61, the dust on the surface of the PCB 3 is cleaned through the cleaning brush 62, and the operation is finished.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 LED display screen box with positioning mechanism which characterized in that includes:

the PCB comprises a cavity (1), wherein a connector (2) is arranged inside the cavity (1), and a PCB (3) is arranged inside the connector (2);

the outer wall of the PCB (3) is provided with a pushing mechanism (4), the pushing mechanism (4) comprises a blocking plate (41) and a fixing plate (42), the outer wall of the bottom end of the PCB (3) is attached with the blocking plate (41), the bottom end of the blocking plate (41) is fixed on the inner wall of the connector (2), two sides of the blocking plate (41) are fixed on the inner wall of the fixing plate (42), a fixing rod (43) is fixed between the two groups of fixing plates (42), a threaded sleeve rod (44) is movably connected to the middle position inside the fixing rod (43) through a rotating shaft, a first conical gear (45) is fixed at the top end of the threaded sleeve rod (44), a second conical gear (46) is meshed with the side wall of the first conical gear (45), a rotating rod (47) is fixed on the outer wall of the second conical gear (46), and the outer wall of the rotating rod (47) is movably connected to the inside of a connecting sleeve block (48) through a bearing, a connecting rod (49) is fixed at the bottom end of the connecting sleeve block (48), and the bottom end of the connecting rod (49) is fixed on the outer wall of the fixing rod (43);

the clamping mechanism (5) is arranged at the top end of the PCB (3), and the clamping mechanism (5) comprises a screw rod (51) and a push plate (52);

the cleaning device comprises a cleaning mechanism (6), wherein the cleaning mechanism (6) is arranged on the outer wall of one side of the connecting body (2), and the cleaning mechanism (6) comprises a moving plate (61) and a cleaning brush (62).

2. The LED display screen box body with the positioning mechanism as claimed in claim 1, wherein: the thread connection of the inside of the threaded sleeve rod (44) has a screw rod (51), the bottom end of the screw rod (51) is fixed on the surface of the push plate (52), clamping plates (53) are inserted on two sides of the inside of the push plate (52), a spring (54) is fixed at the top end of each clamping plate (53), and the top end of the spring (54) is fixed on the inner wall of the push plate (52).

3. The LED display screen box body with the positioning mechanism as claimed in claim 1, wherein: fixed loop bars (55) are fixed to two sides of the outer wall of the fixed bar (43), insertion bars (56) are inserted into the fixed loop bars (55), and the bottom ends of the insertion bars (56) are fixed to the top end of the push plate (52).

4. The LED display screen box body with the positioning mechanism as claimed in claim 1, wherein: the surface of connector (2) is provided with movable plate (61), and the inner wall of movable plate (61) is fixed with cleaning brush (62) of mutually supporting with PCB board (3), the both ends of movable plate (61) are through slider (63) and connector (2) sliding connection.

5. The LED display screen box body with the positioning mechanism as claimed in claim 4, wherein: a moving rod (64) is fixed at the top end of the moving plate (61), a bolt (65) is connected to the inner thread of the moving rod (64), and the bottom end of the bolt (65) is inserted into the connecting body (2).

6. The LED display screen box body with the positioning mechanism as claimed in claim 4, wherein: and sliding openings matched with the sliding blocks (63) are formed in two sides of the interior of the connecting body (2).