CN215735633U - Wireless charging circuit board shielding structure - Google Patents
Wireless charging circuit board shielding structure Download PDFInfo
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- CN215735633U CN215735633U CN202121775636.5U CN202121775636U CN215735633U CN 215735633 U CN215735633 U CN 215735633U CN 202121775636 U CN202121775636 U CN 202121775636U CN 215735633 U CN215735633 U CN 215735633U
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- flanging
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Abstract
The utility model discloses a wireless charging circuit board shielding structure which comprises a shielding cover, wherein the opening end of the shielding cover is outwards bent to form a flanging, a plurality of inserting rods are arranged on the bottom surface of the flanging, a plurality of sleeves are arranged on the top surface of the flanging, pressing rods are in threaded connection in the sleeves, supporting blocks are arranged on the top surfaces of the pressing rods, a plurality of inner covers are arranged in the shielding cover, a plurality of fixing strips are formed by protruding the top surface of the shielding cover, arc-shaped grooves are axially arranged on the top surfaces of the fixing strips, rotating shafts are movably arranged in the arc-shaped grooves, radiating fins are arranged on the rotating shafts, and torsion mechanisms are arranged at two ends of the rotating shafts. The utility model has simple structure, the radiating fin blade can rotate in the arc-shaped groove to change the height of the radiating fin blade, the shielding cover can be positioned after the inserted link is inserted into the bonding pad of the circuit board, and the inner wall surface of the shell can press the supporting block once the shell is covered after the pressing rod is screwed into the sleeve, thereby compressing the shielding cover and ensuring the installation stability.
Description
Technical Field
The utility model relates to the technical field of wireless chargers, in particular to a shielding structure of a wireless charging circuit board.
Background
In some wireless charger products, in order to prevent external electromagnetic waves from affecting internal circuits of electronic products, or prevent electromagnetic waves generated inside the electronic products from radiating outwards, a shielding cover or a shielding frame is usually installed on a circuit board to cover corresponding electronic components, so as to achieve a shielding effect.
However, the existing shielding case is simple in structure and poor in shielding effect, when the shielding case is installed, the shielding case cannot be quickly positioned and locked, fixing parts such as bolts need to be used, subsequent disassembly cannot be easily performed, other tools need to be used in an auxiliary mode, operation is inconvenient, meanwhile, in order to increase the heat dissipation effect of the covered electronic element, the heat dissipation fin blades are generally installed outside the shielding case, but the height of the existing heat dissipation fin blades cannot be adjusted, so that the existing shielding case cannot adapt to the inner lower height of the charger, and assembly of the charger shell can be blocked.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a shielding structure for a wireless charging circuit board, so as to solve the problems proposed in the background art.
The utility model is realized by the following technical scheme: a wireless charging circuit board shielding structure comprises a shielding cover, wherein an opening end of the shielding cover is outwards bent to form a flange, a plurality of inserting rods are arranged on the bottom surface of the flange, a plurality of sleeves are arranged on the top surface of the flange, pressing rods are in threaded connection with the sleeves, supporting blocks are arranged on the top surfaces of the pressing rods, a plurality of inner covers are arranged inside the shielding cover, studs are arranged on the top surfaces of the inner covers, a plurality of screw holes are formed in the top surface inside the shielding cover, one ends of the studs are in threaded connection with the screw holes, a plurality of fixing strips are formed by protruding the top surface of the shielding cover, arc-shaped grooves are axially arranged on the top surfaces of the fixing strips, rotating shafts are movably arranged in the arc-shaped grooves, a part of the rotating shafts extend to the outside along openings of the arc-shaped grooves and are respectively provided with radiating fins, heat-conducting films are arranged on the inner wall surfaces of the arc-shaped grooves, and the inner side surfaces of the heat-conducting films are respectively contacted with the outer wall surfaces of the rotating shafts, both ends of the rotating shaft are provided with torsion mechanisms.
As preferred technical scheme, twist reverse the computer lab and all include axostylus axostyle and clockwork spring, all be equipped with the mounting groove on the both ends face of arc wall, the clockwork spring all sets up in the mounting groove, and the outermost circle of clockwork spring is all installed on the internal face of mounting groove, and the heat conduction membrane is just all being equipped with the round hole to mounting groove department, and axostylus axostyle one end is all installed in the innermost circle of clockwork spring, and the other end all passes the round hole and installs on the terminal surface of pivot.
As the preferred technical scheme, the width of the upper end opening of the arc-shaped groove is smaller than the diameter of the rotating shaft.
As the preferred technical scheme, the bottom surfaces of the inner covers are all arranged in parallel and level with the bottom surface of the flanging.
The utility model has the beneficial effects that: the utility model has simple structure, the radiating fin blades can rotate in the arc-shaped groove to change the height of the radiating fin blades, the adaptability is increased, the shielding cover can be positioned after the inserted rod is inserted into a bonding pad of a circuit board, and once the shell is covered after the pressing rod is screwed into the sleeve, the inner wall surface of the shell can press the supporting block, so that the shielding cover is pressed tightly, the stability of installation is ensured, otherwise, the shielding cover can be immediately disassembled after the shell is disassembled, the convenience is increased, meanwhile, the shielding effect can be further increased through the inner cover, and double shielding can be performed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the installation structure of the torsion mechanism of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the wireless charging circuit board shielding structure of the utility model comprises a shielding case 1, wherein an open end of the shielding case 1 is outwardly bent to form a flange 2, a plurality of insert rods 4 are installed on a bottom surface of the flange 2, a plurality of sleeves 3 are installed on a top surface of the flange 2, press rods 5 are all in threaded connection with the sleeves 3, supporting blocks 6 are all installed on top surfaces of the press rods 5, a plurality of inner covers 11 are arranged inside the shielding case 1, studs 12 are all installed on top surfaces of the inner covers 11, a plurality of screw holes 16 are arranged on the top surface inside the shielding case 1, one ends of the studs 12 are all in threaded connection with the screw holes, a plurality of fixing strips 7 are formed on the top surface of the shielding case 1 in an protruding manner, arc-shaped grooves are all axially arranged on top surfaces of the fixing strips 7, rotating shafts 9 are all movably installed in the arc-shaped grooves, a part of the rotating shafts 9 extend to the outside along openings of the arc-shaped grooves, and are all provided with radiating fins 8, all install thermal film 15 on the internal face of arc wall, thermal film 15's medial surface all touches with the outer wall of pivot, torsion mechanism is all installed at the both ends of pivot 9, can be with on the quick transmission of shield cover heat to the heat dissipation wing leaf through the thermal film, and dispel the heat through the heat dissipation wing leaf, wherein, because threaded connection between depression bar and the sleeve pipe, consequently, the dismantlement of depression bar is comparatively simple, make the depression bar can adjust according to the height between turn-ups and the shell, guarantee that the internal face of shell can press the supporting shoe.
In this embodiment, twist reverse the computer lab and all include axostylus axostyle 14 and clockwork spring 13, all be equipped with the mounting groove on the both ends face of arc wall, clockwork spring 13 all sets up in the mounting groove, and clockwork spring 13's outermost lane is all installed on the internal face of mounting groove, and heat conduction membrane 15 is just all being equipped with the round hole to mounting groove department, and 14 one end of axostylus axostyle is all installed in the innermost circle of clockwork spring, and the other end all passes the round hole and installs on the terminal surface of pivot 9.
In this embodiment, the width of the opening at the upper end of the arc-shaped groove is smaller than the diameter of the rotating shaft 9, so that the rotating shaft is prevented from separating from the arc-shaped groove.
In this embodiment, the bottom surfaces of the inner covers 11 are all flush with the bottom surface of the flange 2, so that the bottom surfaces of the inner covers can also be abutted against the circuit board, and the sealing performance is ensured.
When the shielding device is used, the inner covers with different numbers are rotated according to the number of electronic elements needing to be reinforced and shielded, the inner covers are fixed in the corresponding screw holes through the studs, the shielding covers are sleeved outside the circuit board, the inner covers are sleeved outside the corresponding electronic elements, and the electronic elements can be subjected to double shielding through the inner covers and the shielding covers, so that the shielding effect is ensured;
when the shell of the charger is assembled, the inner wall surface of the shell can extrude the supporting block and the pressing rod, the shielding cover is tightly pressed and fixed in the shell of the charger through the extrusion of the shell, the stability of the shell is ensured, otherwise, the shielding cover can be taken down immediately after the shell is disassembled, and the efficiency is improved;
the radiating fin blades can rotate in the arc-shaped grooves, so that when the shell is assembled, the shell can extrude the radiating fin blades to enable the radiating fin blades to incline to one side, the height of the radiating fin blades is changed, the adaptability during installation is improved, and the assembly of the shell is prevented from being influenced while the radiating is achieved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a wireless charging circuit board shielding structure which characterized in that: comprises a shielding cover (1), the opening end of the shielding cover (1) is bent outwards to form a flanging (2), a plurality of inserted rods (4) are arranged on the bottom surface of the flanging (2), a plurality of sleeves (3) are arranged on the top surface of the flanging (2), a pressure rod (5) is connected with the sleeves (3) in a threaded manner, supporting blocks (6) are arranged on the top surfaces of the pressure rods (5), a plurality of inner covers (11) are arranged in the shielding cover (1), studs (12) are arranged on the top surfaces of the inner covers (11), a plurality of screw holes (16) are arranged on the top surface of the inner part of the shielding cover (1), one ends of the studs (12) are connected with the screw holes in a threaded manner, a plurality of fixing strips (7) are formed on the top surface of the shielding cover (1) in a protruding manner, arc-shaped grooves are axially arranged on the top surfaces of the fixing strips (7), a rotating shaft (9) is movably arranged in the arc-shaped grooves, and part of the rotating shaft (9) extends to the outside along the openings of the arc-shaped grooves, and are provided with radiating fins (8), the inner wall surfaces of the arc-shaped grooves are provided with heat conducting films (15), the inner side surfaces of the heat conducting films (15) are contacted with the outer wall surface of the rotating shaft, and two ends of the rotating shaft (9) are provided with torsion mechanisms.
2. The wireless charging circuit board shielding structure of claim 1, wherein: twist reverse the computer lab and all include axostylus axostyle (14) and clockwork spring (13), all be equipped with the mounting groove on the both ends face of arc wall, clockwork spring (13) all set up in the mounting groove, and the outermost circle of clockwork spring (13) is all installed on the internal face of mounting groove, and thermal film (15) are just all equipped with the round hole to mounting groove department, and axostylus axostyle (14) one end is all installed in the innermost circle of clockwork spring, and the other end all passes the round hole and installs on the terminal surface of pivot (9).
3. The wireless charging circuit board shielding structure of claim 1, wherein: the width of the upper end opening of the arc-shaped groove is smaller than the diameter of the rotating shaft (9).
4. The wireless charging circuit board shielding structure of claim 1, wherein: the bottom surface of the inner cover (11) is arranged in parallel and level with the bottom surface of the flanging (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121775636.5U CN215735633U (en) | 2021-07-30 | 2021-07-30 | Wireless charging circuit board shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121775636.5U CN215735633U (en) | 2021-07-30 | 2021-07-30 | Wireless charging circuit board shielding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215735633U true CN215735633U (en) | 2022-02-01 |
Family
ID=79991647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121775636.5U Active CN215735633U (en) | 2021-07-30 | 2021-07-30 | Wireless charging circuit board shielding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215735633U (en) |
-
2021
- 2021-07-30 CN CN202121775636.5U patent/CN215735633U/en active Active
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