CN112825392B - PCIe or PCI expansion card assembly with M12 connector - Google Patents
PCIe or PCI expansion card assembly with M12 connector Download PDFInfo
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- CN112825392B CN112825392B CN201911149392.7A CN201911149392A CN112825392B CN 112825392 B CN112825392 B CN 112825392B CN 201911149392 A CN201911149392 A CN 201911149392A CN 112825392 B CN112825392 B CN 112825392B
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- Prior art keywords
- expansion card
- connector
- pcie
- board
- pci
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/409—Mechanical coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
Abstract
The invention relates to a PCIe or PCI expansion card assembly with M12 connector, it is used for setting up on the host board in a computer host case, the computer host case has multiple panel openings through, it includes: a first expansion card electrically connected with the mainboard and provided with a first board connector; a second expansion card, which is provided with a second board connector connected with the first board connector; at least one M12 connector body disposed on the second expansion card and having no metal shell M12 connector body; a connecting seat which is arranged on the first expansion card and is penetrated with at least one connecting hole, the circle center of the connecting hole is aligned with the vertical center line of one panel opening, and each M12 connector body penetrates through each connecting hole; one end of the fixing frame is fixed on the connecting seat, and the other end of the fixing frame is fixed on the computer mainframe box; when the first expansion card is arranged on the mainboard, the external M12 connecting wire can be used to connect with the M12 connector body, so that the effects of reliable locking and basic dust prevention can be achieved.
Description
Technical Field
The present invention relates to an expansion card assembly, and more particularly, to a PCIe or PCI expansion card assembly having an M12 connector.
Background
In the prior art, PCIe or PCI expansion cards for computer hosts mostly adopt connectors of various systems and specifications to connect with external devices. Among them, there is an M12 connector, which is a standard round connector, and has M12(12mm inner diameter) thread that can be locked, and can achieve the waterproof and dustproof function through the o-ring in it, and achieve the purpose of high-reliability connection, so it is widely used in various application occasions that need high-reliability signal connection. But because the size of the connector is wider than the limit of the standard PCIe/PCI mechanism, the connector cannot be used for the standard PCIe or PCI expansion card, so the standard PCIe or PCI expansion card on the market at present cannot use the M12 connector for signal connection.
Taking PCIe expansion card as an example for description, please refer to fig. 7, which shows a conventional standard M12 connector 90 capable of being locked and having waterproof and dustproof functions, and includes a main body 91 and a metal shell 92, where one end of the main body 91 has a connection portion 911, the connection portion 911 includes a plurality of insertion holes 912 and two opposite connection portions 913, and the other end of the main body has a fixing portion 914, and the fixing portion 914 is used to be disposed on the PCIe expansion card and electrically connected to the PCIe expansion card; the metal shell 92 is a hollow cylindrical body and is combined with the waterproof gasket 93, an internal thread is formed at one end of the metal shell 92, an external thread is formed at the other end of the metal shell 92, one end of the metal shell 92 with the external thread is sleeved on the connecting part 911 of the body 91 and is clamped and fixed on the external thread of the metal shell 92 by using two connecting pieces 913 on the connecting part 911, one end of the metal shell 92 with the internal thread is connected with an M12 wire end connector with the external thread, the thread arrangement of the wire ends of the metal shell 92 and the M12 can be opposite, and the external diameter of the metal shell 92 of the M12 connector 90 with the standard specification is at least about 13 mm.
However, referring to fig. 7 and 8, the panel opening 71 of the PCIe expansion Card of the computer case 70 in the prior art is a rectangular opening having a long side 711 and a wide side 712, according to the PCIe expansion Card Specification (PCI Express Card electrical Specification replacement 2.0), the size of the wide side 712 of the panel opening 71 of the PCIe expansion Card is 12.06mm, while the size of the wide side 712 of the panel opening 71 of the PCIe expansion Card of most of the computer cases 70 on the market is about 13mm, but the outer diameter of the metal shell 92 of the M12 connector 90 in the standard Specification is at least about 13mm, which exceeds the size of 12.06mm of the wide side 712 of the panel opening 71 of the PCIe expansion Card of the standard computer case 70, so that the metal shell 92 cannot extend out of the panel opening 71 of the PCIe expansion Card of the computer case 70, even if the panel opening 71 is 13mm, the mechanical tolerance or the M12 connector 90 is likely to be processed by a surface mount technology (DIP) or a conventional component (SMT) process (two different kinds of component parts) The tolerance of the method is such that the metal shell 92 cannot pass through the panel opening 71 to be connected with the external M12 connecting wire.
Referring to fig. 7 to 9, in order to satisfy the 12.06mm limit of the size specification of the wide side 712 of the panel opening 71, after the body 91 of the M12 connector 90 is combined with the PCIe expansion card through a Surface Mount Technology (SMT) or a conventional component add-in package (DIP), the distance from the center point a of the metal shell 92 to the PCIe expansion card surface 94 (i.e., the PCIe expansion card surface imaginary line indicated by reference numeral 94 in fig. 9) must be less than 6.5mm, however, the distance from the center point a of the metal shell 92 to the PCIe expansion card surface 94 of the M12 connector in the market currently is at least about 8.425mm, and the outer diameter of the metal shell 92 of the M12 connector 90 has also exceeded the size of the panel opening 71, so that the center point a of the metal shell 92 of the M12 connector 90 cannot be aligned with the vertical centerline 713 of the panel opening 71 (i.e., an imaginary line extending in the vertical direction at the midpoint of the broad side 712 of the panel opening 71), so that the metal shell 92 of the M12 connector 90 cannot protrude out of the panel opening 71; therefore, how to use the M12 connector to achieve the effects of reliable locking and basic dust prevention on the PCIe expansion card is a problem to be overcome in the prior art.
Disclosure of Invention
In view of the disadvantages of the prior art, the present invention provides a PCIe or PCI expansion card assembly having an M12 connector, wherein the center point of the M12 connector body is aligned with the vertical center line of the panel opening of the computer host case, and the inner diameter of the connection hole of the connection socket is 12mm, so that when the first expansion card is disposed on the motherboard, the external M12 connection wire can be connected with the M12 connector body to achieve the purpose of reliable locking and dust prevention.
To achieve the above objects, the present invention provides a PCIe or PCI expansion card assembly having an M12 connector, which is disposed on a motherboard in a computer case, and the computer case has a plurality of panel openings formed therethrough, and the assembly includes:
a first expansion card, which is a circuit board and is electrically connected with the mainboard, and a first board connector is arranged on one side surface of the first expansion card;
a second expansion card, which is a circuit board, wherein a second board connector is arranged on one side surface of the second expansion card, the second board connector is electrically connected with the first board connector, and the second expansion card is parallel to the first expansion card;
at least one M12 connector body disposed on the second expansion card and electrically connected to the second expansion card, wherein the at least one M12 connector body is disposed between the first expansion card and the second expansion card, and the at least one M12 connector body has no metal shell;
a connecting base disposed between the first expansion card and the second expansion card, the connecting base having at least one connecting hole, the center of the at least one connecting hole being aligned with the vertical center line of one of the panel openings, each of the M12 connector bodies passing through each of the connecting holes;
one end of the fixing frame is fixed on the connecting seat, and the other end of the fixing frame is fixed on the computer mainframe box.
Furthermore, the PCIe or PCI expansion card assembly having the M12 connector includes a fixing frame, wherein the fixing frame is a one-piece body and has at least one through hole penetrating therethrough, a position of the at least one through hole corresponds to a position of the at least one connection hole, and the at least one through hole corresponds to the panel opening.
Furthermore, the PCIe or PCI expansion card assembly with an M12 connector further includes a plurality of support legs, one end of each support leg is fixed to the second expansion card, and the other end of each support leg is fixed to the first expansion card.
Further, the PCIe or PCI expansion card assembly having the M12 connector is described, wherein the first board connector and the second board connector are board-to-board connectors.
Further, the PCIe or PCI expansion card assembly having the M12 connector is described, wherein the inner diameter of the at least one connection hole is 12 mm.
The invention has the advantages that the distance between the M12 connector body and the first expansion card is adjusted by selecting the proper first board connector and the proper second board connector after combination, so that the center point of the M12 connector body is aligned to the vertical center line of the panel opening of the computer mainframe box, the inner diameter of the connecting hole of the connecting seat is set to be 12mm and smaller than the width dimension of the panel opening of the computer mainframe box, the external M12 connecting line can be mutually combined and fixed by utilizing the external thread to penetrate through the opening of the computer mainframe box and the internal thread of the connecting hole, and the electric connection is completed, and the effects of reliable locking and basic dust prevention of the connecting point are achieved; because the connecting seat is a rectangular column body and is locked on the first expansion card and is locked on the computer mainframe box by the fixing frame, the effect that the firmness can be strengthened and the first expansion card is not loosened in the process of plugging and unplugging the external M12 connecting wire is achieved; the support legs can increase the stability of the overall structure of the first expansion card and the second expansion card.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of the main elements of the present invention.
Fig. 3 is an exploded view of the main components of another aspect of the present invention.
Fig. 4 is a partial cross-sectional view of the present invention.
Fig. 5 is a front view installation schematic of the present invention.
Fig. 6 is a top view of the present invention.
Fig. 7 is a side exploded view of a prior art M12 connector.
FIG. 8 is a diagram of a prior art opening of a computer case panel.
FIG. 9 is a diagram illustrating a comparison between the M12 connector and the opening of the computer case panel according to the prior art.
Detailed Description
The invention will be described in detail with reference to the following drawings, which are provided for illustration purposes and the like:
the technical means adopted by the invention to achieve the predetermined purpose is further described below by combining the drawings and the preferred embodiments of the invention.
Referring to fig. 1 and 6, the PCIe or PCI expansion card assembly with M12 connector of the present invention is configured to be disposed on a motherboard 72 in a computer case 70 of the prior art, and the computer case 70 has a plurality of panel openings 71 formed therethrough, the PCIe or PCI expansion card assembly with M12 connector includes a first expansion card 10, a second expansion card 20, at least one M12 connector body 30, a connecting base 40, a fixing frame 50 and a plurality of supporting legs 60.
Referring to fig. 2 and 3, the first expansion card 10 is a circuit board with PCIe or PCI plug specification and is electrically connected to an external motherboard 72 with PCIe or PCI bus socket 721 (as shown in fig. 6), and PCIe or PCI is a computer bus specification of the prior art, and therefore, is not described in detail; a first Board Connector 11 is disposed on a side surface of the first expansion card 10, and the first Board Connector 11 is electrically connected to the first expansion card 10, in this embodiment, the first Board Connector 11 is a Board-to-Board Connector (Board to Board Connector/BTB Connector).
The second expansion card 20 is a circuit Board with PCIe or PCI plug specification, a second Board Connector 21 is disposed on a side surface of the circuit Board, the second Board Connector 21 is electrically connected to the second expansion card 20, the second Board Connector 21 is selectively electrically connected to the first Board Connector 11, and the second expansion card 20 is parallel to the first expansion card 10 and keeps a specific distance from the first expansion card 10, in this embodiment, the second Board Connector 21 is a Board-to-Board Connector (Board-to-Board Connector/BTB Connector) with a specification corresponding to the first Board Connector 11, so that the distance between the first expansion card 10 and the second expansion card 20 can be adjusted by selecting the first Board Connector 11 and the second Board Connector 21 with different sizes respectively.
Referring to fig. 2 to 5, the M12 connector body 30 is disposed on the second expansion card 20 and electrically connected to the second expansion card 20, the M12 connector body 30 is disposed between the first expansion card 10 and the second expansion card 20, in other words, the M12 connector body 30 and the second board connector 21 are disposed on the same side of the second expansion card 20, the M12 connector body 30 in this embodiment does not use a metal shell in the prior art, the rest of the structure is the same as the standard component in the prior art, the detailed structure is not described, and the number of the M12 connector bodies 30 in this embodiment is four, the connector bodies are longitudinally arranged at an end of the second expansion card 20 adjacent to the panel opening 71 of the computer main case 70 at intervals, and the insertion holes on the M12 connector body 30 face the panel opening 71 of the computer main case 70.
The connecting socket 40 is located between the first expansion card 10 and the second expansion card 20, in this embodiment, the connecting socket 40 is a rectangular cylinder, and is locked on the first expansion card 10 by a locking member (not shown in the drawings), a plurality of screw holes 44 are respectively arranged on one side of the connecting socket 40 facing the panel opening 71 of the computer mainframe box 70, a plurality of combining holes 102 are penetrated through the relative positions on the first expansion card 10, and the locking member is penetrated through the combining holes 102 and combined with the screw holes 44; a plurality of grooves 42 are formed at intervals in the side surface of the connecting socket 40 facing the first expansion card 10, a plurality of protrusions 12 are convexly arranged on the side surface of the first expansion card 10 facing the connecting socket 40, and each protrusion 12 is positioned in each corresponding groove 42; at least one connection hole 41, in this embodiment, four connection holes 41, are formed through the connection socket 40 at intervals, the positions of the connection holes 41 respectively correspond to the positions of the M12 connector bodies 30, and the inner diameter of each connection hole 41 is 12mm and is formed with an internal thread.
The fixing frame 50 is a one-piece body, one end of the fixing frame is fixed on the computer mainframe box 70, and at least one through hole 51 penetrates through the fixing frame 50; in the present embodiment, the fixing frame 50 is an L-shaped sheet body having a long segment 52 and a short segment 53, four through holes 51 and a plurality of engaging holes 521 are formed through the long segment 52, the positions of the through holes 51 correspond to the positions of the engaging holes 41 on the fixing base, and the inner diameter of the through holes 51 is about 13mm (see fig. 5) about the size of the wide edge 712 of the opening 71 on the upper panel of the computer case 70; a plurality of locking members 522 are disposed corresponding to the plurality of joint holes 521, the locking members 522 pass through the joint holes 521 to lock the other end of the fixing frame 50 to the screw hole 43 of the connecting base 40, a fixing portion 54 is formed on the short segment 53 of the fixing frame 50, a first notch 541 is formed on one side of the fixing portion 54, the first notch 541 is an arc-shaped opening and is aligned with the locking hole 73 (as shown in fig. 6) of the external computer main chassis 70, and the fixing portion 54 is locked to the locking hole 73 by the locking members (not shown in the drawings); the other side of the fixing portion 54 is recessed to form a second notch 542, the second notch 542 is a rectangular notch, two opposite sides of the second notch 542 are respectively provided with a fixing piece 543, and each fixing piece 543 bends towards the direction of the through hole 51; when the second board connector 21 is connected to the first board connector 11, each M12 connector body 30 passes through each connecting hole 41, and the center of each connecting hole 41 is aligned with the vertical center line 713 of one of the panel openings 71.
Referring to fig. 3, 4 and 6, the supporting legs 60 are cylinders, and one end of each supporting leg 60 is fixed to the second expansion card 20, and the other end is fixed to the first expansion card 10, in detail, a plurality of first through holes 101 are formed through the first expansion card 10, a plurality of second through holes 201 are formed through the second expansion card 20, the positions of the first through holes 101 correspond to the positions of the second through holes 201, an internal thread is formed at one end of the supporting leg 60, and the supporting leg 60 is fixed to the first expansion card 10 by a locking member 61 penetrating through the first through holes 101, and the other end is fixed to the corresponding second through holes 201, but the fixing manner of the supporting leg 60 is not limited thereto, and only the effect of fixing the first expansion card 10 and the second expansion card 20 can be achieved.
Referring to fig. 2, 5 and 6, the present invention can be applied to a motherboard 72 in a computer case 70, and the computer case 70 has a plurality of panel openings 71 formed therethrough, and the overall assembly process is as follows, a user can first pre-select an appropriate first expansion card 10 and second expansion card 20 to be connected to each other according to the distance from the motherboard 72 in the computer case 70 to the vertical center line 713 of the panel openings 71, wherein the above-mentioned applicability means that after the first board connector 11 on the selected first expansion card 10 and the second board connector 21 on the second expansion card 20 are connected to each other, when the first expansion card 10 is inserted into a PCIe or PCI bus socket 721 on the motherboard 72, the center point of the M12 connector body 30 can be aligned with the vertical center line 713 of the panel openings 71 of the computer case 70, and the support legs 60 are further provided during the assembly process to increase the support stability of the overall structure of the first expansion card 10 and the second expansion card 20, therefore, the integral component of the invention can be stably arranged in the bracket.
In the above process, the center point of the M12 connector body 30 is aligned with the vertical center line 713 of the panel opening 71 of the computer case 70, and the inner diameter of the connecting hole 41 of the connecting socket 40 is 12mm, which is smaller than the dimension of the wide side 712 of the panel opening 71 of the computer case 70, so that the external M12 connecting wire 80 can be mutually combined and fixed by the external thread penetrating through the panel opening 71 of the computer case 70 and the internal thread of the connecting hole 41 and can be electrically connected with the M12 connector body 30, and the effect of reliable locking and basic dust prevention of the connecting point can be achieved.
In the above process, since the connecting socket 40 is a rectangular cylinder and is locked on the first expansion card 10 and is locked on the computer mainframe 70 by the fixing bracket 50, the effect of strengthening the firmness and not loosening the first expansion card 10 during the plugging process of the external M12 connection wire 80 is achieved.
The present invention is capable of other embodiments, and various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (5)
1. A PCIe-based or PCI expansion card assembly having an M12 connector for mounting on a motherboard in a computer case, the computer case having a plurality of panel openings therethrough, comprising:
a first expansion card, which is a circuit board and is electrically connected with the mainboard, and a first board connector is arranged on one side surface of the first expansion card;
a second expansion card, which is a circuit board, one side of the second expansion card is provided with a second board connector, the second board connector is electrically connected with the first board connector, and the second expansion card is parallel to the first expansion card;
at least one M12 connector body disposed on the second expansion card and electrically connected with the second expansion card, wherein the at least one M12 connector body is disposed between the first expansion card and the second expansion card, and the at least one M12 connector body has no metal shell;
a connecting base disposed between the first expansion card and the second expansion card, the connecting base having at least one connecting hole, the center of the at least one connecting hole being aligned with the vertical center line of one of the panel openings, each of the M12 connector bodies passing through each of the connecting holes;
one end of the fixing frame is fixed on the connecting seat, and the other end of the fixing frame is fixed on the computer mainframe box.
2. The PCIe or PCI expansion card assembly as recited in claim 1 having an M12 connector, wherein said mounting bracket is a one-piece body and has at least one through hole formed therethrough, the position of said at least one through hole corresponds to the position of said at least one connection hole, said at least one through hole corresponds to said panel opening.
3. The PCIe or PCI expansion card assembly with an M12 connector of claim 1 or 2 further comprising a plurality of support legs, one end of each support leg is fixedly connected to the second expansion card, and the other end of each support leg is fixedly connected to the first expansion card.
4. The PCIe or PCI expansion card assembly having M12 connector of claim 3, wherein the first board connector and the second board connector are board-to-board connectors.
5. The PCIe or PCI expansion card assembly having an M12 connector as claimed in claim 4, wherein the inner diameter of the at least one connection hole is 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149392.7A CN112825392B (en) | 2019-11-21 | 2019-11-21 | PCIe or PCI expansion card assembly with M12 connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149392.7A CN112825392B (en) | 2019-11-21 | 2019-11-21 | PCIe or PCI expansion card assembly with M12 connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112825392A CN112825392A (en) | 2021-05-21 |
| CN112825392B true CN112825392B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911149392.7A Active CN112825392B (en) | 2019-11-21 | 2019-11-21 | PCIe or PCI expansion card assembly with M12 connector |
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| CN (1) | CN112825392B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904968A (en) * | 2021-09-17 | 2022-01-07 | 苏州浪潮智能科技有限公司 | Test tool and test equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201200989A (en) * | 2010-06-22 | 2012-01-01 | Hon Hai Prec Ind Co Ltd | Mounting apparatus for expansion card |
| CN102541182A (en) * | 2011-12-31 | 2012-07-04 | 曙光信息产业股份有限公司 | Expansion module for expanding single node to connect with peripheral equipment |
| CN102541162A (en) * | 2010-12-14 | 2012-07-04 | 技嘉科技股份有限公司 | Switching expansion card |
| CN209014671U (en) * | 2018-06-14 | 2019-06-21 | 湖南必然网络科技有限公司 | A kind of DPSK PCIE edge connector automatic test equipment of 10Gbps signal |
-
2019
- 2019-11-21 CN CN201911149392.7A patent/CN112825392B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201200989A (en) * | 2010-06-22 | 2012-01-01 | Hon Hai Prec Ind Co Ltd | Mounting apparatus for expansion card |
| CN102541162A (en) * | 2010-12-14 | 2012-07-04 | 技嘉科技股份有限公司 | Switching expansion card |
| CN102541182A (en) * | 2011-12-31 | 2012-07-04 | 曙光信息产业股份有限公司 | Expansion module for expanding single node to connect with peripheral equipment |
| CN209014671U (en) * | 2018-06-14 | 2019-06-21 | 湖南必然网络科技有限公司 | A kind of DPSK PCIE edge connector automatic test equipment of 10Gbps signal |
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| CN112825392A (en) | 2021-05-21 |
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