CN221575676U - Quick grounding structure - Google Patents
Quick grounding structure Download PDFInfo
- Publication number
- CN221575676U CN221575676U CN202322864561.3U CN202322864561U CN221575676U CN 221575676 U CN221575676 U CN 221575676U CN 202322864561 U CN202322864561 U CN 202322864561U CN 221575676 U CN221575676 U CN 221575676U
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- Prior art keywords
- circuit board
- grounding
- metal shell
- bending structure
- hole
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- 239000002184 metal Substances 0.000 claims abstract description 50
- 238000005452 bending Methods 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model provides a quick grounding structure, which comprises a circuit board and a metal shell for accommodating the circuit board, wherein a grounding part is arranged on the circuit board; the metal shell is provided with a bending structure extending towards the circuit board, and the bending structure is electrically connected with the grounding part so as to realize the grounding of the metal shell. Compared with the prior art, the quick grounding structure of the utility model omits the traditional mode of locking the screw to fix the pressing line, saves parts, reduces cost and is convenient to assemble.
Description
Technical Field
The utility model relates to a rapid grounding structure, and belongs to the technical field of electronic equipment.
Background
In the current market, some power supplies adopt a metal power supply shell in order to facilitate heat dissipation and increase strength, so that the exposed conductive part of the lamp is required to be reliably grounded. However, in the grounding process of the PCB in the current industrial power electronic equipment, most of the equipment grounds the PCB through wires, or directly connects the PCB with the ground by using screws, and these grounding methods have the problems of increasing the material cost of the product and the cost of manual assembly.
In view of this, there is a need for an improvement over existing grounding structures to address the above-described problems.
Disclosure of utility model
The utility model aims to provide a rapid grounding structure which is simple to assemble, reliable in grounding and lower in cost.
To achieve the above object, the present utility model provides a quick grounding structure, comprising:
The circuit board is provided with a grounding part;
The metal shell is used for accommodating the circuit board;
The metal shell is provided with a bending structure extending towards the circuit board, and the bending structure is electrically connected with the grounding part so as to realize the grounding of the metal shell.
As a further improvement of the utility model, a through hole is formed in the metal shell, and the bending structure is positioned on one side of the through hole.
As a further improvement of the utility model, the bending structure is integrally formed with the metal housing.
As a further improvement of the utility model, the grounding part comprises a grounding area arranged on the circuit board and a conductive wire welded on the grounding area, the bending structure is provided with a slot, and the conductive wire is arranged in the slot and is electrically connected with the bending structure.
As a further improvement of the utility model, the slot is arranged at the center of the bending structure, so that the bending structure is of a U-shaped structure, the conducting wire is arranged at one side of the circuit board, which is far away from the through hole, and the circuit board is provided with a through hole for the bending structure to pass through, so that the bending structure passes through the through hole and is electrically connected with the conducting wire.
As a further improvement of the present utility model, the grounding portion is a grounding area disposed on the circuit board, and the bending structure is disposed in an L shape and extends toward the circuit board so as to be in electrical contact with the grounding area.
As a further development of the utility model, the grounding region is arranged on the side of the circuit board facing the through opening, and the bending structure is in interference fit with the grounding region when the circuit board is fixed in the metal housing.
As a further improvement of the utility model, the metal shell is provided with a first limit boss and a second limit boss, the first limit boss is in limit fit with the circuit board so as to limit the circuit board to move in the thickness direction of the metal shell, and the second limit boss is arranged at two ends of the metal shell so as to be matched with the circuit board to limit the circuit board to move in the length direction of the metal shell.
As a further improvement of the utility model, the metal shell is U-shaped and comprises a bottom plate and two side plates perpendicular to the bottom plate, the first limiting boss is arranged on the two side plates, and the second limiting boss is arranged on the bottom plate and positioned at two ends of the bottom plate.
As a further improvement of the utility model, the second limiting boss is arranged in a step shape, and the circuit board is placed on the second limiting boss to be arranged at intervals with the bottom plate.
The beneficial effects of the utility model are as follows: according to the quick grounding structure, the grounding part is arranged on the circuit board, and the bending structure extending towards the circuit board is arranged on the metal shell, so that the bending structure can be electrically connected with the grounding part to realize grounding of the metal shell. Compared with the prior art, the quick grounding structure of the utility model omits the traditional mode of locking the screw to fix the pressing line, saves parts, reduces cost and is convenient to assemble.
Drawings
Fig. 1 is a schematic perspective view of the quick grounding structure of the present utility model.
Fig. 2 is an enlarged view of circle a in fig. 1.
Fig. 3 is a schematic diagram illustrating an assembled perspective structure of the bending structure and the conductive wire in fig. 2.
Fig. 4 is a schematic perspective view of the metal housing of fig. 1.
Fig. 5 is an enlarged view of circle B in fig. 4.
Fig. 6 is a schematic perspective view of another embodiment of the present utility model.
Fig. 7 is a schematic perspective view of the metal housing of fig. 4.
Fig. 8 is a cross-sectional view of the bent structure of fig. 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present utility model discloses a quick grounding structure 100, which comprises a circuit board 1 and a metal housing 2 for accommodating the circuit board 1, wherein a grounding part 11 is arranged on the circuit board 1; the metal shell 2 is provided with a bending structure 21 extending towards the circuit board 1, the bending structure 21 is electrically connected with the grounding part 11, so that the metal shell 2 is grounded, the traditional mode of locking a screw to fix a pressing line is omitted, parts such as screws and wires are saved, and meanwhile, the metal shell can be reliably grounded.
As shown in fig. 2-5, the metal casing 2 is provided with a first limit boss 22 and a second limit boss 23, the first limit boss 22 is in limit fit with the circuit board 1 to limit the circuit board 1 to move in the thickness direction of the metal casing 2, and the second limit boss 23 is disposed at two ends of the metal casing 2 to cooperate with the circuit board 1 to limit the circuit board 1 to move in the length direction of the metal casing 2.
Specifically, the metal casing 2 is in a U-shaped arrangement, and includes a bottom plate 24 and two side plates 25 perpendicular to the bottom plate 24, the first limiting boss 22 is disposed on the two side plates 25, and the second limiting boss 23 is disposed on the bottom plate 24 and located at two ends of the bottom plate 24. The second limiting boss 23 is arranged in a step shape, the circuit board 1 is placed on the second limiting boss 23 to be arranged at intervals with the bottom plate 24, and the first limiting boss 22 and the second limiting boss 23 are both provided with a plurality of limiting bosses, so that the circuit board 1 can be fixed while limiting the circuit board 1.
Further, the metal casing 2 is provided with a through hole 26, the bending structure 21 is located at one side of the through hole 26, the through hole 26 is rectangular and is obliquely arranged, and then the bending structure 21 is obliquely arranged and integrally formed with the metal casing 2, so that parts are saved, and cost is reduced. The grounding part 11 comprises a grounding area arranged on the circuit board 1 and a conductive wire welded on the grounding area, and further, a slot 211 is formed in the bending structure 21, and when the circuit board 1 is fixed in the metal shell 2, the conductive wire is arranged in the slot 211 and electrically connected with the bending structure 21, so that the metal shell 2 is automatically grounded, and the requirements of anti-interference grounding of electronic equipment or human body safety through grounding are met.
The slot 211 is formed at the center of the bending structure 21, so that the bending structure 21 is a U-shaped structure, the conductive wire is disposed on a side of the circuit board 1 facing away from the through hole 26, and the circuit board 1 is formed with a through hole 12 through which the bending structure 21 passes, so that the bending structure 21 passes through the through hole 12 and is electrically connected with the conductive wire, and in this embodiment, the grounding mode may be single-point or multi-point, which is not limited herein.
As shown in fig. 6-8, the metal casing 2 is provided with a through hole 26, the through hole 26 is rectangular and is parallel to the side plate 25 of the metal casing 2, the bending structure 21 is located at one side of the through hole 26, and the bending structure 21 and the metal casing 2 are integrally formed. The grounding part 11 is a grounding area arranged on the circuit board, the bending structure 21 is in an L-shaped arrangement and extends towards the circuit board 1 so as to be in electrical contact with the grounding area, so that the metal shell 2 is automatically grounded, and the requirements of anti-interference grounding of electronic equipment or human body safety through grounding are met.
The grounding area is disposed on a side of the circuit board 1 facing the through-hole 26, and when the circuit board 1 is fixed in the metal casing 2, the bending structure 21 is in interference fit with the grounding area, and in this embodiment, the grounding mode may be single-point or multi-point, which is not limited herein.
In summary, in the quick grounding structure 100 of the present utility model, the grounding portion 11 is disposed on the circuit board 1, and the bending structure 21 extending toward the circuit board 1 is disposed on the metal housing 2 accommodating the circuit board 1, so that the bending structure 21 is electrically connected to the grounding portion 11 to achieve the grounding of the metal housing 2. Compared with the prior art, the quick grounding structure 100 of the utility model eliminates the traditional mode of fixing the pressing line by the locking screw, saves parts, reduces cost and is convenient to assemble.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. A quick ground structure, comprising:
a circuit board (1), wherein a grounding part (11) is arranged on the circuit board (1);
A metal housing (2) for accommodating the circuit board (1);
The metal shell (2) is provided with a bending structure (21) extending towards the circuit board (1), and the bending structure (21) is electrically connected with the grounding part (11) so as to realize grounding of the metal shell (2).
2. The quick ground structure of claim 1, wherein: a through hole (26) is formed in the metal shell (2), and the bending structure (21) is located on one side of the through hole (26).
3. The quick ground structure of claim 2, wherein: the bending structure (21) and the metal shell (2) are integrally formed.
4. The quick ground structure of claim 2, wherein: the grounding part (11) comprises a grounding area arranged on the circuit board (1) and a conductive wire welded on the grounding area, a slot (211) is formed in the bending structure (21), and the conductive wire is arranged in the slot (211) and is electrically connected with the bending structure (21).
5. The quick ground structure of claim 4, wherein: the slotting (211) is formed in the central position of the bending structure (21), so that the bending structure (21) is of a U-shaped structure, the conducting wire is arranged on one side, deviating from the through hole (26), of the circuit board (1), and the circuit board (1) is provided with a through hole (12) for the bending structure (21) to penetrate through, so that the bending structure (21) penetrates through the through hole (12) and is electrically connected with the conducting wire.
6. The quick ground structure of claim 2, wherein: the grounding part (11) is a grounding area arranged on the circuit board (1), and the bending structure (21) is arranged in an L shape and extends towards the circuit board (1) so as to be in electrical contact with the grounding area.
7. The quick ground structure of claim 6, wherein: the grounding area is arranged on one side of the circuit board (1) facing the through hole (26), and when the circuit board (1) is fixed in the metal shell (2), the bending structure (21) is in interference fit with the grounding area.
8. The quick ground structure of claim 1, wherein: the metal shell (2) is provided with a first limit boss (22) and a second limit boss (23), the first limit boss (22) is in limit fit with the circuit board (1) so as to limit the circuit board (1) to move in the thickness direction of the metal shell (2), and the second limit boss (23) is arranged at two ends of the metal shell (2) so as to be matched with the circuit board (1) and limit the circuit board (1) to move in the length direction of the metal shell (2).
9. The quick ground structure of claim 8, wherein: the metal shell (2) is U-shaped, and comprises a bottom plate (24) and two side plates (25) perpendicular to the bottom plate (24), wherein the first limiting boss (22) is arranged on the two side plates (25), and the second limiting boss (23) is arranged on the bottom plate (24) and located at two ends of the bottom plate (24).
10. The quick ground structure of claim 9, wherein: the second limiting boss (23) is arranged in a step shape, and the circuit board (1) is placed on the second limiting boss (23) to be arranged at intervals with the bottom plate (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864561.3U CN221575676U (en) | 2023-10-24 | 2023-10-24 | Quick grounding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864561.3U CN221575676U (en) | 2023-10-24 | 2023-10-24 | Quick grounding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221575676U true CN221575676U (en) | 2024-08-20 |
Family
ID=92267007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322864561.3U Active CN221575676U (en) | 2023-10-24 | 2023-10-24 | Quick grounding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221575676U (en) |
-
2023
- 2023-10-24 CN CN202322864561.3U patent/CN221575676U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |