CN112512247A - Fixed circuit board structure - Google Patents
Fixed circuit board structure Download PDFInfo
- Publication number
- CN112512247A CN112512247A CN202011442055.XA CN202011442055A CN112512247A CN 112512247 A CN112512247 A CN 112512247A CN 202011442055 A CN202011442055 A CN 202011442055A CN 112512247 A CN112512247 A CN 112512247A
- Authority
- CN
- China
- Prior art keywords
- shell
- ring body
- hole
- fixed
- board structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
Abstract
The invention provides a fixed circuit board structure which comprises an upper cover, a shell, a main board, bolts, fixing components, shock pads and cable through pipes, wherein the shell is of a groove structure, the upper cover is installed at the upper end of the shell through a plurality of bolts, a plurality of first through holes are formed in the first side of the shell, each first through hole is sleeved with one cable through pipe, the cable through pipes are arranged in parallel, the shock pads are installed on the second side and the third side of the shell respectively, the main board is installed inside the shell through the fixing components, the fixing components are uniformly distributed along the circumferential direction of the main board, and a main board circuit penetrates through the cable through pipes and extends to the outside of the shell. The rubber ring in the fixed circuit board structure is simple in structure, beneficial to compression molding, low in production cost and suitable for mass production, the circuit board can be effectively protected by the insulating materials of the first ring body and the second ring body, and short-circuit faults of the circuit board can be effectively avoided by fixed installation.
Description
Technical Field
The invention belongs to the technical field of electronic control of diesel engines, and particularly relates to a fixed circuit board structure.
Background
Circuit boards are one of the important components of the electronics industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, as long as there are electronic components such as integrated circuits, etc., all use circuit boards for their electrical interconnection, and the most fundamental success factor in the research process of larger electronic products is the design, documentation and manufacture of the circuit boards of the products. Along with the development of the digital technology of the diesel engine, more and more electrical equipment is provided, and the requirement of the fixed reliability of the circuit board is also highlighted. Under the drive of high compactness, the wiring density of the circuit board is higher and higher, and the flat pad is in direct contact with the circuit board when the circuit board is fixed, so that short circuit is caused.
Disclosure of Invention
In view of the above, the present invention is directed to a structure for fixing a circuit board, so as to solve the problem of short circuit of the circuit board caused by a flat pad when the circuit board is fixed, and the problem of too large wiring space occupied by the flat pad.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a fixed circuit board structure, which comprises an upper cover, and a housing, a mainboard, the bolt, fixed subassembly, shock pad and cable siphunculus, the shell is groove structure, the shell upper end is through a plurality of bolt installation upper covers, the first side of shell is equipped with a plurality of first through-holes, every first through-hole all cup joints a cable siphunculus, a plurality of cable siphunculus parallel arrangement each other, a plurality of shock pads are installed respectively to the second side and the third side of shell, the inside mainboard of installing through a plurality of fixed subassemblies of shell, mainboard circumference equipartition is followed to a plurality of fixed subassemblies, the one end joint of every fixed subassembly is to the upper end of extension board, mainboard fixed connection bottom the shell is passed to fixed subassembly's the other end, the.
Further, the shell comprises a shell body and lugs, the shell body is of a groove structure, the main board is installed inside the shell body through a plurality of fixing components, the upper cover is installed at the upper end of the shell body through a plurality of bolts, a plurality of first through holes are formed in the first side of the shell body, a plurality of lugs are arranged on the second side and the third side of the shell body respectively, a fourth through hole is formed in the middle of each lug, and the periphery of the shock pad is sleeved in the fourth through holes.
Further, the material of the shock pad is vulcanized rubber with the hardness not less than 20A.
Further, the fixing component is a first pin with a T-shaped cross section.
Further, fixed subassembly includes second pin, packing ring and rubber ring, and a plurality of second through-holes of circumference equipartition, every are followed to the mainboard the second through-hole all cup joints a rubber ring, and the cross section of second pin is T type structure, and the one end joint of second pin is to the upper end of mainboard, and the other end of second pin passes packing ring and rubber ring fixed connection to the bottom of shell in proper order.
Furthermore, the cross section of rubber ring is T type structure, and the rubber ring middle part is equipped with the third through-hole, and the second pin periphery is cup jointed in the third through-hole.
Further, the rubber ring comprises a first ring body and a second ring body, the third through hole penetrates through the first ring body and the second ring body, the periphery of the first ring body is sleeved into the second through hole, the outer diameter of the second ring body is larger than the inner diameter of the second through hole, the second ring body is located between the main board and the gasket, and the height of the second ring body is not smaller than the thickness of the main board.
Further, the first ring body and the second ring body are of an insulating material die-casting integrated structure.
Further, a fixed circuit board structure still includes the sealing washer, and the material of sealing washer is rubber, and the upper cover lower extreme is equipped with the draw-in groove, and the shell still includes the pressure platform that the casing upper end set up, the size and the relative position homogeneous phase of draw-in groove, pressure platform and sealing washer correspond, and the sealing washer joint to in the draw-in groove.
Furthermore, the lug, the shell and the pressing platform are made of machining integrated materials, and the lug, the shell and the pressing platform are made of aviation aluminum.
Compared with the prior art, the fixed circuit board structure has the following advantages:
(1) the rubber ring in the structure of the fixed circuit board is simple in structure, beneficial to compression molding, low in production cost and suitable for mass production.
(2) According to the fixed circuit board structure, the first ring body and the second ring body are made of insulating materials, so that a circuit board can be effectively protected, and the fixed installation can effectively avoid the discovery of short-circuit faults of the circuit board.
(3) Compared with the conventional flat pad, the rubber ring for fixing the circuit board structure has the advantages that the outer diameter of the rubber ring can be smaller, and more wiring space can be provided for a high-density circuit board.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a fixed circuit board structure according to an embodiment of the present invention;
FIG. 2 is an exploded view of a fixed circuit board structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a housing according to an embodiment of the present invention;
FIG. 4 is an exploded view of a second embodiment of a securing assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a rubber ring according to an embodiment of the present invention;
description of reference numerals:
1-covering the upper cover; 2-a housing; 21-a lug; 22-a first via; 23-a housing; 24-pressing the platform; 3, a main board; 4-a bolt; 5-a fixing component; 51-a second pin; 52-a gasket; 53-rubber ring; 531-a first ring body; 532-a second ring member; 6-a shock pad; 7-sealing ring; 8-cable duct.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-5, a fixed circuit board structure comprises an upper cover 1, a housing 2, a main board 3, bolts 4, fixing components 5, shock-absorbing pads 6 and cable through pipes 8, wherein the housing 2 is a groove structure, the upper end of the housing 2 is provided with the upper cover 1 through the bolts 4 to form a sealed space for installing the main board 3, the main board 3 is a conventional printed circuit board in the prior art, a plurality of first through holes 22 are formed in the first side of the housing 2, each first through hole 22 is sleeved with one cable through pipe 8, the cable through pipes 8 are arranged in parallel, a plurality of shock-absorbing pads 6 are respectively installed on the second side and the third side of the housing 2, the main board 3 is installed inside the housing 2 through a plurality of fixing components 5, the fixing components 5 are uniformly distributed along the circumferential direction of the main board 3, one end of each fixing component 5 is clamped to the upper end of the supporting board 3, the, the circuit of the main board 3 passes through the plurality of cable through pipes 8 and extends to the outside of the shell 2, so that the structure is closed, and meanwhile, the synchronous transmission of signals is guaranteed.
The shell 2 comprises a shell 23 and lugs 21, the shell 23 is of a groove structure, a mainboard 3 is installed inside the shell 23 through a plurality of fixing assemblies 5, an upper cover 1 is installed at the upper end of the shell 23 through a plurality of bolts 4, a first side of the shell 23 is provided with a plurality of first through holes 22, a second side and a third side of the shell 23 are respectively provided with a plurality of lugs 21, the middle part of each lug 21 is provided with a fourth through hole, and the periphery of a shock pad 6 is sleeved in the fourth through hole.
The shock pad 6 is made of vulcanized rubber with hardness not less than 20A, so that the vibration reliability of the installation structure of the main board 3 is improved, and the damage to the main board 3 caused by collision is avoided.
Fixed subassembly 5 can be the first pin of cross section for the T type, and fixed subassembly 5 also can include second pin 51, packing ring 52 and rubber ring 53, and a plurality of second through-holes of circumference equipartition, every are followed to mainboard 3 the second through-hole all cup joints a rubber ring 53, and second pin 51's cross section is T type structure, and second pin 51's one end joint is to mainboard 3's upper end, and packing ring 52 and rubber ring 53 fixed connection to shell 2's bottom is passed in proper order to second pin 51's the other end, and when rubber ring 53 can avoid installing and removing second pin 51, rubber ring 53 and packing ring 52 fish tail circuit board caused the short circuit of mainboard 3.
The cross section of the rubber ring 53 is of a T-shaped structure, a third through hole is formed in the middle of the rubber ring 53, the periphery of the second pin 51 is sleeved into the third through hole, the rubber ring 53 comprises a first ring body 531 and a second ring body 532, the third through hole penetrates through the first ring body 531 and the second ring body 532, the periphery of the first ring body 531 is sleeved into the second through hole, the outer diameter of the second ring body 532 is larger than the inner diameter of the second through hole, the second ring body 532 is located between the main board 3 and the gasket 52, the height of the second ring body 532 is not smaller than the thickness of the main board 3, the first ring body 531 and the second ring body 532 can provide more wiring space for the main board 3, and the wiring space is vital under the constraints of vibration reliability, structural compactness, peripheral boundary and the like for the high-density main board 3.
The first ring body 531 and the second ring body 532 are of an insulating material die-casting integrated structure, compression molding is facilitated, production cost is low, and the die-casting integrated structure is suitable for mass production.
The utility model provides a fixed circuit board structure still includes sealing washer 7, and the material of sealing washer 7 is rubber, and 1 lower extreme of upper cover is equipped with the draw-in groove, and shell 2 still includes the pressure platform 24 that 23 upper ends of the casing set up, the draw-in groove, press the size and the relative position homogeneous phase of platform 24 and sealing washer 7 to correspond, and sealing washer 7 joint extremely in the draw-in groove, guarantee the sealing performance in installation mainboard airtight space.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A fixed circuit board structure is characterized in that: comprises an upper cover (1), a shell (2), a mainboard (3), bolts (4), fixing components (5), shock pads (6) and cable through pipes (8), wherein the shell (2) is of a groove structure, the upper cover (1) is installed at the upper end of the shell (2) through a plurality of bolts (4), a plurality of first through holes (22) are formed in the first side of the shell (2), each first through hole (22) is sleeved with one cable through pipe (8), the cable through pipes (8) are arranged in parallel, a plurality of shock pads (6) are respectively installed on the second side and the third side of the shell (2), the mainboard (3) is installed inside the shell (2) through a plurality of fixing components (5), one end of each fixing component (5) is clamped to the upper end of the support plate (3), the other end of each fixing component (5) penetrates through the mainboard (3) and is fixedly connected to the bottom of the shell (2), and the fixing components (5) are circumferentially and uniformly, the circuit of the main board (3) passes through a plurality of cable through pipes (8) and extends to the outside of the shell (2).
2. A fixed wiring board structure according to claim 1, wherein: shell (2) are including casing (23) and lug (21), casing (23) are groove structure, casing (23) are inside through a plurality of fixed subassembly (5) installation mainboard (3), casing (23) upper end is through a plurality of bolts (4) installation upper cover (1), the first side of casing (23) is equipped with a plurality of first through-holes (22), the second side and the third side of casing (23) set up a plurality of lugs (21) respectively, every lug (21) middle part all is equipped with the fourth through-hole, shock pad (6) periphery cup joint extremely in the fourth through-hole.
3. A fixed wiring board structure according to claim 1, wherein: the shock pad (6) is made of vulcanized rubber with the hardness not less than 20A.
4. A fixed wiring board structure according to claim 1, wherein: the fixing component (5) is a first pin with a T-shaped cross section.
5. A fixed wiring board structure according to claim 1, wherein: fixed subassembly (5) include second pin (51), packing ring (52) and rubber ring (53), and a plurality of second through-holes of circumference equipartition are followed in mainboard (3), every the second through-hole all cup joints one rubber ring (53), and the cross section of second pin (51) is T type structure, and the one end joint of second pin (51) is to the upper end of mainboard (3), and the other end of second pin (51) passes packing ring (52) and rubber ring (53) fixed connection in proper order to the bottom of shell (2).
6. A fixed wiring board structure according to claim 5, wherein: the cross section of rubber ring (53) is T type structure, and rubber ring (53) middle part is equipped with the third through-hole, and second pin (51) periphery cup joints to in the third through-hole.
7. A fixed wiring board structure according to claim 5, wherein: the rubber ring (53) comprises a first ring body (531) and a second ring body (532), the third through hole penetrates through the first ring body (531) and the second ring body (532), the periphery of the first ring body (531) is sleeved in the second through hole, the outer diameter of the second ring body (532) is larger than the inner diameter of the second through hole, the second ring body (532) is located between the main board (3) and the gasket (52), and the height of the second ring body (532) is not smaller than the thickness of the main board (3).
8. A fixed wiring board structure according to claim 7, wherein: the first ring body (531) and the second ring body (532) are of an insulating material die-casting integrated structure.
9. A fixed wiring board structure according to claim 2, wherein: still include sealing washer (7), the material of sealing washer (7) is rubber, and upper cover (1) lower extreme is equipped with the draw-in groove, and shell (2) still include pressure platform (24) that casing (23) upper end set up, the size and the relative position homogeneous phase of draw-in groove, pressure platform (24) and sealing washer (7) correspond, sealing washer (7) joint extremely in the draw-in groove.
10. A fixed wiring board structure according to claim 9, wherein: the lug (21), the shell (23) and the pressing platform (24) are made of a machining integrated material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011442055.XA CN112512247A (en) | 2020-12-11 | 2020-12-11 | Fixed circuit board structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011442055.XA CN112512247A (en) | 2020-12-11 | 2020-12-11 | Fixed circuit board structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112512247A true CN112512247A (en) | 2021-03-16 |
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ID=74970930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011442055.XA Pending CN112512247A (en) | 2020-12-11 | 2020-12-11 | Fixed circuit board structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112512247A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1042577A1 (en) * | 1997-12-26 | 2000-10-11 | Hankuk Glass Industries Inc. | Sealed double glazing unit |
| CN103687394A (en) * | 2012-09-21 | 2014-03-26 | 日立汽车系统株式会社 | Electronic control device |
| CN107889381A (en) * | 2017-09-30 | 2018-04-06 | 中国北方发动机研究所(天津) | One kind isolation built-in type controller |
| CN109874258A (en) * | 2019-04-12 | 2019-06-11 | 安徽省尚展模具工业有限公司 | A kind of waterproof anti-collision structure of automobile line intralamellar part installation |
| CN210405851U (en) * | 2019-03-04 | 2020-04-24 | 北京市卡姆福科技有限公司 | On-off controller for heating and ventilation |
| CN210630040U (en) * | 2019-09-09 | 2020-05-26 | 武汉瑞盈通网络技术有限公司 | Outdoor sealed natural heat dissipation structure |
| CN211043923U (en) * | 2019-11-14 | 2020-07-17 | 青岛海信激光显示股份有限公司 | Projection device and light source |
| CN111911586A (en) * | 2020-06-24 | 2020-11-10 | 上海豫兴电子科技有限公司 | Vibration stopping device and circuit board |
-
2020
- 2020-12-11 CN CN202011442055.XA patent/CN112512247A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1042577A1 (en) * | 1997-12-26 | 2000-10-11 | Hankuk Glass Industries Inc. | Sealed double glazing unit |
| CN103687394A (en) * | 2012-09-21 | 2014-03-26 | 日立汽车系统株式会社 | Electronic control device |
| CN107889381A (en) * | 2017-09-30 | 2018-04-06 | 中国北方发动机研究所(天津) | One kind isolation built-in type controller |
| CN210405851U (en) * | 2019-03-04 | 2020-04-24 | 北京市卡姆福科技有限公司 | On-off controller for heating and ventilation |
| CN109874258A (en) * | 2019-04-12 | 2019-06-11 | 安徽省尚展模具工业有限公司 | A kind of waterproof anti-collision structure of automobile line intralamellar part installation |
| CN210630040U (en) * | 2019-09-09 | 2020-05-26 | 武汉瑞盈通网络技术有限公司 | Outdoor sealed natural heat dissipation structure |
| CN211043923U (en) * | 2019-11-14 | 2020-07-17 | 青岛海信激光显示股份有限公司 | Projection device and light source |
| CN111911586A (en) * | 2020-06-24 | 2020-11-10 | 上海豫兴电子科技有限公司 | Vibration stopping device and circuit board |
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| PB01 | Publication | ||
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Application publication date: 20210316 |