CN216491604U - Liquid crystal television anti-interference circuit board assembly - Google Patents
Liquid crystal television anti-interference circuit board assembly Download PDFInfo
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- CN216491604U CN216491604U CN202121564380.3U CN202121564380U CN216491604U CN 216491604 U CN216491604 U CN 216491604U CN 202121564380 U CN202121564380 U CN 202121564380U CN 216491604 U CN216491604 U CN 216491604U
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- circuit board
- shielding shell
- liquid crystal
- board assembly
- shielding
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Abstract
The utility model relates to the technical field of anti-interference circuit boards, and discloses an anti-interference circuit board assembly for a liquid crystal television, which comprises a shielding shell and a circuit board, wherein the circuit board is arranged inside the shielding shell, the upper surface of the shielding shell is rotatably provided with a rotating ring, the inner wall of the rotating ring is fixedly sleeved with a toothed ring, the upper surface of the rotating ring is provided with a plurality of shielding plates, the plurality of shielding plates are rotatably connected with the shielding shell through rotating rods, the rod walls of the plurality of rotating rods are movably sleeved with gears, the plurality of gears are respectively in meshed connection with the toothed ring, an annular groove is formed inside the shielding shell, and a pressing mechanism for fixing the circuit board is arranged inside the annular groove. The circuit board can be maintained without disassembly, time and labor are saved, and the circuit board can be limited and is convenient to use.
Description
Technical Field
The utility model relates to the technical field of anti-interference circuit boards, in particular to an anti-interference circuit board assembly of a liquid crystal television.
Background
The liquid crystal display television is provided with a plurality of circuit boards, along with the increasing of integrated functions of the liquid crystal display television, electronic modules arranged on the circuit boards are also more and more intensive, but the existing circuit board structure is relatively complex and is easily subjected to external electromagnetic interference, and a shielding cover is generally arranged on the outer side of the circuit board in a commonly used interference prevention mode at present.
Traditional LCD TV jam-proof circuit board subassembly simple structure only is the casing of fixed setting, fixes through the screw, when needs maintain the maintenance to the circuit board, needs dismantle the shield cover, then dismantles the circuit board again, wastes time and energy very much, great influence work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, an anti-interference circuit board assembly of a liquid crystal television is simple in structure, time-consuming and labor-consuming in installation and disassembly, and inconvenient in maintenance and repair of a circuit board, and provides the anti-interference circuit board assembly of the liquid crystal television.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a liquid crystal TV jam-proof circuit board subassembly, includes shielding shell and circuit board, the circuit board sets up in the inside of shielding shell, the upper surface rotation of shielding shell is provided with rotatory ring, the fixed ring gear that has cup jointed of inner wall of rotatory ring, the upper surface of rotatory ring is provided with a plurality of shields, and is a plurality of the shield all rotates with the shielding shell through the bull stick to be connected, and is a plurality of the equal activity of pole wall of bull stick has cup jointed the gear, and is a plurality of the gear all is connected with the ring gear meshing, the annular groove has been seted up to the inside of shielding shell, the inside of annular groove is provided with fixedly the hold-down mechanism of circuit board.
Preferably, the pressing mechanism comprises pressing plates and sliding rods, the pressing plates are respectively arranged on two sides of the upper surface of the circuit board in a propping mode, fixing shells are fixedly arranged inside the annular groove and on two sides of the circuit board, the sliding rods are arranged inside the corresponding fixing shells in a sliding mode, and one ends of the outer sides of the sliding rods are fixedly connected with the corresponding pressing plates.
Preferably, a plurality of torsion springs are movably sleeved on the rod walls at the lower ends of the rotating rods, and two ends of each spring are fixedly connected with the corresponding rotating rod and the corresponding shielding shell respectively.
Preferably, a plurality of baffles are fixedly arranged at one end of the inner side of each sliding rod, and springs are fixedly arranged between the baffles and the inner wall of the fixed shell.
Preferably, a plurality of mounting lugs are fixedly arranged on the side wall of the shielding shell.
Preferably, the upper surfaces of the plurality of shielding plates are fixedly provided with pull blocks.
Compared with the prior art, the utility model provides an anti-interference circuit board component of a liquid crystal television, which has the following beneficial effects:
1. this LCD TV jam-proof circuit board subassembly through rotating single shield plate, can make the gear that corresponds drive the ring gear and rotate, even make the ring gear drive a plurality of gear synchronous rotations, even a plurality of shield plate rotation is opened, need not to dismantle the shielding shell promptly and can maintain maintenance labour saving and time saving to the circuit board.
2. This liquid crystal TV jam-proof circuit board subassembly promotes the clamp plate that corresponds to move to the inboard under the spring action of the spring that corresponds through two slide bars in both sides to offset with the circuit board surface, can fix convenient to use to the circuit board when fixed to the shield shell promptly.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the circuit board can be maintained without disassembly, time and labor are saved, meanwhile, the circuit board can be limited, and the device is convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of an interference-proof circuit board assembly of a liquid crystal display television according to the present invention;
FIG. 2 is a schematic view of the shield plate of FIG. 1 in an expanded configuration;
FIG. 3 is a schematic cross-sectional front view of the structure of FIG. 1;
fig. 4 is an enlarged view of a portion a of fig. 2.
In the figure: the device comprises a shielding shell 1, a circuit board 2, a rotating ring 3, a rotating rod 4, a shielding plate 5, a toothed ring 6, a gear 7, a torsion spring 8, a pressing plate 9, a fixed shell 10, a sliding rod 11, a baffle 12, a spring 13, a mounting lug 14 and a pull block 15.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, an interference-proof circuit board assembly for a liquid crystal television, including shielding shell 1 and circuit board 2, circuit board 2 sets up in the inside of shielding shell 1, the upper surface rotation of shielding shell 1 is provided with rotatory ring 3, the inner wall of rotatory ring 3 is fixed to be cup jointed toothed ring 6, the upper surface of rotatory ring 3 is provided with a plurality of shielding plates 5, a plurality of shielding plates 5 all rotate with shielding shell 1 through bull stick 4 and are connected, gear 7 has been cup jointed in the equal activity of the pole wall of a plurality of bull sticks 4, a plurality of gear 7 all are connected with the meshing of toothed ring 6, the annular groove has been seted up to the inside of shielding shell 1, the inside of annular groove is provided with the hold-down mechanism of fixed circuit board 2.
The pressing mechanism comprises pressing plates 9 and sliding rods 11, the two pressing plates 9 are respectively arranged on two sides of the upper surface of the circuit board 2 in a propping mode, fixing shells 10 are fixedly arranged on two sides of the circuit board 2 inside the annular groove, the sliding rods 11 are arranged inside the corresponding fixing shells 10 in a sliding mode, and one ends of the outer sides of the sliding rods 11 are fixedly connected with the corresponding pressing plates 9.
The inner side ends of the sliding rods 11 are fixedly provided with baffle plates 12, and springs 13 are fixedly arranged between the baffle plates 12 and the inner wall of the fixed shell 10, so that the pressing plate 9 can be automatically reset conveniently.
The side wall of the shielding shell 1 is fixedly provided with a plurality of mounting lugs 14, so that the shielding shell 1 is conveniently mounted and fixed.
The upper surfaces of the shielding plates 5 are all fixedly provided with pulling blocks 15, so that the shielding plates 5 can be conveniently pulled.
In the utility model, when in use, a worker installs and fixes the mounting lugs 14 with equipment by using bolts, namely fixing the shielding shell 1 is completed, because the pressing plates 9 on the two sides are abutted against the surface of the circuit board 2, namely fixing the circuit board 2 is completed, when maintenance and repair are needed to be carried out on the circuit board 2, the single shielding plate 1 is rotated, the corresponding gear 7 can drive the gear ring 6 to rotate, namely the gear ring 6 drives the gears 7 to synchronously rotate, even if the shielding plates 1 are rotated and opened, namely the circuit board 2 can be maintained and repaired without disassembling the shielding shell 1, time and labor are saved, when the circuit board 2 needs to be disassembled, the pressing plates 9 on the two sides are pushed outwards, so that the two pressing plates 9 are not abutted against the circuit board 2 any more, the circuit board 2 can be disassembled, and the use is convenient.
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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a liquid crystal television jam-proof circuit board assembly, includes shielding shell (1) and circuit board (2), its characterized in that, circuit board (2) set up in the inside of shielding shell (1), the upper surface of shielding shell (1) rotates and is provided with rotatory ring (3), the inner wall of rotatory ring (3) is fixed to be cup jointed toothed ring (6), the upper surface of rotatory ring (3) is provided with a plurality of shield plates (5), and is a plurality of shield plate (5) all rotate with shielding shell (1) through bull stick (4) and are connected, and is a plurality of gear (7) have all been cup jointed in the activity to the pole wall of bull stick (4), and is a plurality of gear (7) all are connected with toothed ring (6) meshing, the annular groove has been seted up to the inside of shielding shell (1), the inside of annular groove is provided with the hold-down mechanism of fixing circuit board (2).
2. The liquid crystal television interference preventing circuit board assembly according to claim 1, wherein the pressing mechanism comprises a pressing plate (9) and a sliding rod (11), two pressing plates (9) are respectively disposed on two sides of the upper surface of the circuit board (2) in an abutting manner, a fixed shell (10) is fixedly disposed inside the annular groove and on two sides of the circuit board (2), a plurality of sliding rods (11) are slidably disposed inside the corresponding fixed shells (10), and one ends of the outer sides of the plurality of sliding rods (11) are fixedly connected with the corresponding pressing plates (9).
3. The interference preventing circuit board assembly for LCD TV according to claim 1, wherein the lower end rod walls of the plurality of rotating rods (4) are movably sleeved with torsion springs (8), and two ends of the plurality of torsion springs (8) are respectively and fixedly connected with the corresponding rotating rods (4) and the shielding case (1).
4. The interference preventing circuit board assembly for LCD TV according to claim 2, wherein a plurality of baffles (12) are fixedly arranged at one end of the inner side of the sliding rods (11), and springs (13) are fixedly arranged between the plurality of baffles (12) and the inner wall of the fixed shell (10).
5. The interference preventing circuit board assembly for liquid crystal television according to claim 1, wherein a plurality of mounting lugs (14) are fixedly provided on the side wall of the shielding case (1).
6. The interference preventing circuit board assembly for liquid crystal display television according to claim 1, wherein a pull block (15) is fixedly provided on the upper surface of each of the plurality of shield plates (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121564380.3U CN216491604U (en) | 2021-07-12 | 2021-07-12 | Liquid crystal television anti-interference circuit board assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121564380.3U CN216491604U (en) | 2021-07-12 | 2021-07-12 | Liquid crystal television anti-interference circuit board assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216491604U true CN216491604U (en) | 2022-05-10 |
Family
ID=81431518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121564380.3U Active CN216491604U (en) | 2021-07-12 | 2021-07-12 | Liquid crystal television anti-interference circuit board assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216491604U (en) |
-
2021
- 2021-07-12 CN CN202121564380.3U patent/CN216491604U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An anti-interference circuit board assembly for LCD TV Effective date of registration: 20221202 Granted publication date: 20220510 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU XINSHITONG ELECTRONICS Co.,Ltd. Registration number: Y2022980024645 |