CN214101926U - PCB sheet metal structure and PCB part - Google Patents
PCB sheet metal structure and PCB part Download PDFInfo
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- CN214101926U CN214101926U CN202022812025.5U CN202022812025U CN214101926U CN 214101926 U CN214101926 U CN 214101926U CN 202022812025 U CN202022812025 U CN 202022812025U CN 214101926 U CN214101926 U CN 214101926U
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Abstract
The utility model discloses a PCB sheet metal structure and a PCB part, which comprises a sheet metal unit; the metal sheet unit comprises a first plate and a second plate, the bottom surface of the first plate is higher than the bottom surface of the second plate, and the top surface of the first plate is higher than the top surface of the second plate; the first plate and the second plate are connected through a transition plate, and the first plate, the second plate and the transition plate form a step structure together; the bottom surface of the first plate is used for being arranged on the PCB; the bottom surface of the second plate is used for being arranged on the structural member, and the top surface of the second plate is used for placing a device; the side of the transition plate near the second plate is used for connecting the device. The metal sheet unit can be attached to the welding surfaces of the PCB, the device and the structural member, when the device is welded with the PCB and the structural member, the metal sheet unit can provide a good shortest grounding path among the PCB, the device and the structural member, welding reliability is enhanced, welding quality is guaranteed, and product index allowance and performance are improved.
Description
Technical Field
The utility model relates to a communication network equipment technical field, especially a PCB sheetmetal structure and PCB board part.
Background
In the technical field of communication network equipment at present, a large PCB (printed circuit board) is contacted with a small PCB, but the contact mode easily causes large grounding clearance between metal and metal, so that clearance effect is formed after the contact, the index of the whole machine is deteriorated, and the requirement cannot be met.
In the existing processing technology, the device and the PCB contact distance are mostly ensured by pushing the device to the edge of the PCB through the side surface, the operation of personnel is different in the side pushing process, the situation that the device cannot be pushed in place or the PCB processing error exists, the size of part of the PCB is larger, gaps can be formed among the PCB, the device and the structural component, good contact cannot be realized, the shortest grounding distance is formed, the PCB cannot be reliably grounded on the structural component, the welding reliability and the welding quality are reduced, and therefore the whole circuit can be caused to have faults, and the major defects of incapability of debugging and the like can be overcome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the PCB metal sheet structure and the PCB component are provided aiming at the problem that gaps are easily formed among a PCB, a device and a structural component to influence the welding grounding effect by the welding technology in the prior art, so that the whole circuit can be failed, the debugging can not be realized and other major defects can be caused.
In order to realize the purpose, the utility model discloses a technical scheme be:
a PCB sheet metal structure includes a sheet metal unit;
the metal sheet unit comprises a first plate and a second plate, wherein the bottom surface of the first plate is higher than the bottom surface of the second plate, and the top surface of the first plate is higher than the top surface of the second plate;
the first plate and the second plate are connected through a transition plate, and the first plate, the second plate and the transition plate form a step structure together;
the bottom surface of the first plate is used for being arranged on the PCB;
the bottom surface of the second plate is used for being arranged on a structural member, and the top surface of the second plate is used for placing a device;
the side of the transition plate close to the second plate is used for connecting devices.
A PCB sheet metal structure, through the above-mentioned structure, the height dimensions of PCB board, device and structure are different, bottom surface and top surface of the first plate of the sheet metal unit are higher than bottom surface and top surface of the second plate, the PCB board is placed on the bottom surface of the first plate, the structure is placed on the bottom surface of the second plate, the device is placed on the top surface of the second plate, the first plate and the second plate are connected together and form the step structure through the transition plate, can make the sheet metal unit and the PCB board, device and welding surface of the structure fit together at the same time, the sheet metal unit is used for setting up on PCB board, device and structure, when welding the device and PCB board and structure, the sheet metal unit can provide the good shortest grounding path between the PCB board, device and structure, avoid welding the structure, forming the bigger installation clearance between device and PCB board after welding, the welding surface of sheet metal unit and structure is the plane, the welding device can be uniformly grounded during welding, so that the effective grounding area between the metal sheet unit and the structural member is greatly increased, the welding reliability is enhanced, the welding quality is ensured, and the product index allowance and the performance are improved.
As the preferred scheme of the utility model, be equipped with a plurality of through-hole on the first plate and/or the second plate. Through the structure, during welding, the surface of PCB board and structure can be left over to the soldering tin in the through-hole of sheetmetal unit, ensures inside soldering tin and corresponding metal contact, and the bonding surface of sheetmetal unit and structure can evenly ground, makes the effective ground connection area between sheetmetal unit and the structure increase by a wide margin, has strengthened welding reliability, has guaranteed welding quality, has promoted product index surplus and performance.
As the preferred scheme of the utility model, the interval between adjacent through-hole is between 0.1mm-1 mm.
As the preferred scheme of the utility model, the aperture of the through hole is between 0.1mm-1.2 mm.
As a preferable aspect of the present invention, the thickness of the first plate and the second plate is between 0.1m and 1 m.
As a preferable aspect of the present invention, the thickness of the first plate is the same as that of the second plate.
As the preferable scheme of the utility model, the first plate the second plate with cross cab apron integrated into one piece.
A PCB component comprises a PCB, a component, a structural component and the PCB sheet metal structure;
the PCB comprises a PCB large plate and a PCB small plate, the PCB large plate is positioned below the PCB small plate, and the device is positioned above the structural member;
the first plate is arranged between the PCB large plate and the PCB small plate, and the second plate is arranged between the structural part and the device;
and the side surface of the device is attached to the side surface of the transition plate close to the second plate.
The utility model provides a PCB board part, through above-mentioned structure, this PCB board is equipped with the sheetmetal unit, can promote off-the-shelf qualification rate, can provide reliable help for obtaining high performance, high-quality metal welded connection spare, has great popularization and application and worth.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. a PCB sheet metal structure, through the above-mentioned structure, the height dimensions of PCB board, device and structure are different, bottom surface and top surface of the first plate of the sheet metal unit are higher than bottom surface and top surface of the second plate, the PCB board is placed on the bottom surface of the first plate, the structure is placed on the bottom surface of the second plate, the device is placed on the top surface of the second plate, the first plate and the second plate are connected together and form the step structure through the transition plate, can make the sheet metal unit and the PCB board, device and welding surface of the structure fit together at the same time, the sheet metal unit is used for setting up on PCB board, device and structure, when welding the device and PCB board and structure, the sheet metal unit can provide the good shortest grounding route between PCB board, device and structure, avoid forming the bigger installation gap between the welded metal welding structure, device and PCB board, the welding surface of the metal sheet unit and the structural member is a plane, and can be uniformly grounded during welding, so that the effective grounding area between the metal sheet unit and the structural member is greatly increased, the welding reliability is enhanced, the welding quality is ensured, and the product index allowance and performance are improved.
2. The utility model provides a PCB board part, through above-mentioned structure, this PCB board is equipped with the sheetmetal unit, can promote off-the-shelf qualification rate, can provide reliable help for obtaining high performance, high-quality metal welded connection spare, has great popularization and application and worth.
Drawings
Fig. 1 is a schematic structural view of a metal sheet unit according to the present invention.
Fig. 2 is a front view of a sheet metal unit according to the invention.
Fig. 3 is a schematic structural diagram of a PCB board component according to the present invention.
Icon: 1-PCB large board; 2-PCB platelet; 3-a device; 4-a sheet metal unit; 41-a first plate; 42-a second plate; 43-a transition plate; 44-a through hole; 5-structural member.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a PCB sheet metal structure, including a sheet metal unit 4;
the sheet metal unit 4 comprises a first plate 41, a second plate 42 and a transition plate 43, wherein the first plate 41 and the second plate 42 are connected through the transition plate 43, the first plate 41, the second plate 42 and the transition plate 43 together form a step structure, and specifically, the first plate 41, the second plate 42 and the transition plate 43 are integrally formed;
the bottom surface of the first plate 41 is higher than the bottom surface of the second plate 42, and the top surface of the first plate 41 is higher than the top surface of the second plate 42;
the first plate 41 and the second plate 42 are provided with a plurality of through holes 44, the aperture of each through hole 44 is 0.1mm-1.2mm, and the distance between every two adjacent through holes 44 is 0.1mm-1 mm;
the thickness of the first plate member 41 and the thickness of the second plate member 42 are both between 0.1m and 1m, and the thickness of the first plate member 41 and the thickness of the second plate member 42 are the same.
The embodiment also provides a PCB component, which comprises a PCB, a device 3, a structural part 5 and the PCB sheet metal structure;
the structural part 5 is positioned at the bottommost part of the PCB part, and a boss is arranged in the middle of the structural part 5;
the PCB comprises a large PCB 1 and a small PCB 2, the small PCB 2 is positioned above the large PCB 1, the middle parts of the large PCB 1 and the small PCB 2 are provided with gaps, the large PCB 1 and the small PCB 2 are positioned above a structural member 5, and a boss of the structural member 5 is positioned in the gap between the large PCB 1 and the small PCB 2;
the device 3 is positioned on the boss of the structural member 5, and two sides of the device 3 are connected with the top of the PCB small plate 2;
the first plate 41 is placed between the large PCB 1 and the small PCB 2, the second plate 42 is placed between the structural member 5 and the device 3, and the transition plate 43 is attached to the device 3 near the side of the second plate 42.
The PCB sheet metal structure and the PCB board part provided by the embodiment have the beneficial effects that:
during welding, the soldering tin in the through holes 44 of the metal sheet units 4 can be left on the surfaces of the PCB and the structural member 5, so that the internal soldering tin is ensured to be contacted with corresponding metal, the welding surfaces of the metal sheet units 4 and the structural member 5 can be uniformly grounded, the effective grounding area between the metal sheet units 4 and the structural member 5 is greatly increased, the welding reliability is enhanced, the welding quality is ensured, and the product index allowance and the performance are improved;
the heights of the PCB, the device 3 and the structural member 5 are different, the bottom surface and the top surface of a first plate 41 of the metal sheet unit 4 are higher than the bottom surface and the top surface of a second plate 42, the PCB is placed on the bottom surface of the first plate 41, the structural member 5 is placed on the bottom surface of the second plate 42, the device 3 is placed on the top surface of the second plate 42, the first plate 41 and the second plate 42 are connected together through a transition plate 43 to form a step structure, the metal sheet unit 4 can be simultaneously attached to the welding surfaces of the PCB, the device 3 and the structural member 5, the metal sheet unit 4 is arranged on the PCB, the device 3 and the structural member 5, when the device 3 is welded with the PCB and the structural member 5, the metal sheet unit 4 can provide a good shortest grounding path among the PCB, the device 3 and the structural member 5, and a large installation gap is avoided among the metal welding structural member 5, the device 3 and the PCB after welding, the welding surface of the metal sheet unit 4 and the structural member 5 is a plane, and can be uniformly grounded during welding, so that the effective grounding area between the metal sheet unit 4 and the structural member 5 is greatly increased, the welding reliability is enhanced, the welding quality is ensured, and the product index allowance and performance are improved;
the PCB is provided with the metal sheet unit 4, the qualification rate of finished products can be improved, reliable help can be provided for obtaining high-performance and high-quality metal welding connecting pieces, and the PCB has great popularization and application values.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A PCB sheet metal structure, comprising a sheet metal unit (4);
the sheet metal unit (4) comprises a first plate member (41) and a second plate member (42), wherein the bottom surface of the first plate member (41) is higher than the bottom surface of the second plate member (42), and the top surface of the first plate member (41) is higher than the top surface of the second plate member (42);
the first plate (41) and the second plate (42) are connected through a transition plate (43), and the first plate (41), the second plate (42) and the transition plate (43) form a step structure together;
the bottom surface of the first plate (41) is used for being arranged on a PCB;
the bottom surface of the second plate (42) is used for being arranged on a structural part (5), and the top surface of the second plate (42) is used for placing a device (3);
the transition plate (43) is used for connecting the device (3) close to the side of the second plate (42).
2. A PCB sheet metal structure according to claim 1, characterized in that the first (41) and/or the second (42) plate is provided with a number of through holes (44).
3. A PCB sheet metal structure according to claim 2, wherein the spacing between adjacent through holes (44) is between 0.1mm and 1 mm.
4. A PCB sheet metal structure according to claim 3, wherein the aperture of the through hole (44) is between 0.1mm and 1.2 mm.
5. A PCB sheet metal structure according to claim 4, characterised in that the thickness of the first and second sheets (41, 42) are each between 0.1m and 1 m.
6. A PCB sheet metal structure according to claim 5, characterised in that the thickness of the first and second sheets (41, 42) is the same.
7. A PCB sheet metal structure according to claim 1, wherein the first plate (41), the second plate (42) and the transition plate (43) are integrally formed.
8. A PCB board component comprising a PCB board, a device (3), a structural member (5) and a PCB sheet metal structure according to any of the preceding claims 1-7;
the PCB comprises a PCB large board (1) and a PCB small board (2), the PCB large board (1) is positioned below the PCB small board (2), and the device (3) is positioned above the structural part (5);
the first plate (41) is arranged between the PCB big board (1) and the PCB small board (2), and the second plate (42) is arranged between the structural part (5) and the device (3);
the side surface of the device (3) is attached to the side surface of the transition plate (43) close to the second plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812025.5U CN214101926U (en) | 2020-11-27 | 2020-11-27 | PCB sheet metal structure and PCB part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812025.5U CN214101926U (en) | 2020-11-27 | 2020-11-27 | PCB sheet metal structure and PCB part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214101926U true CN214101926U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022812025.5U Active CN214101926U (en) | 2020-11-27 | 2020-11-27 | PCB sheet metal structure and PCB part |
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| Country | Link |
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| CN (1) | CN214101926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112714546A (en) * | 2020-11-27 | 2021-04-27 | 成都芯通软件有限公司 | PCB sheet metal structure and PCB part |
| CN112714546B (en) * | 2020-11-27 | 2024-07-02 | 成都芯通软件有限公司 | PCB sheet metal structure and PCB board part |
-
2020
- 2020-11-27 CN CN202022812025.5U patent/CN214101926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112714546A (en) * | 2020-11-27 | 2021-04-27 | 成都芯通软件有限公司 | PCB sheet metal structure and PCB part |
| CN112714546B (en) * | 2020-11-27 | 2024-07-02 | 成都芯通软件有限公司 | PCB sheet metal structure and PCB board part |
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