Expansion card retainer
By designing an expansion card fixing device including a fixing frame, a fixing seat, an adapter, an electrical connector and an expansion card, the problem that the M12 connector cannot be used smoothly on PCIe is solved, and the electrical connector is successfully penetrated into the case panel and avoided insulation problems.
Patent Information
- Application Number
- CN202210387376.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2021-04-14
- Filing Date
- 2022-04-14
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2042-04-14
AI Technical Summary
In the prior art, the M12 connector cannot be used smoothly on PCIe because its base to center height does not comply with the PCIe opening specification, resulting in the plug-in end not being able to penetrate the opening of the enclosure panel, and it has the risk of short circuit and takes up a large space.
An expansion card fixing device is designed, including a fixing frame, a fixing seat, an adapter, an electrical connector and an expansion card. The fixing seat is arranged on the fixing frame, the adapter plate is arranged on the fixing seat, and the connection end of the electrical connector is electrically connected to the adapter plate, and passes through the through hole of the fixing seat, and the plug-in end corresponds to the perforation on the fixing frame.
The plug-in end of the electrical connector is successfully penetrated into the opening of the casing panel, with a small overall width and does not occupy adjacent expansion card space, avoiding insulation and short circuit problems.
Smart Images

Figure CN115202446B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an expansion card fixing device, in particular to an expansion card fixing device with a connector. Background Art
[0002] The PCIe or PCI expansion cards used in the prior art for computer hosts are mostly connected to external devices using connectors of various standard specifications. Among them, there is an M12 connector, which is a circular connector of standard specifications and has a lockable M12 thread, so that it can be used in various applications that require high-reliability signal connections. However, according to the PCIe specification, there are recommended sizes for the opening size and the protruding connector. The height from the base to the center of the circle of the M12 connector is 8.5 mm, so that it cannot be completely aligned with the center of the PCIe opening specification. The plug-in end of the connector cannot smoothly pass through the panel opening of the case, making the M12 connector unusable on the PCIe. In addition, TW I711236 discloses a PCIe or PCI expansion card assembly with an M12 connector, in which the pins of the connector are connected to the expansion card and their contacts are exposed on one side of the expansion card, which may cause a short circuit problem and an insulating device must be added. In addition, this design occupies a large width and also makes the adjacent expansion slot unusable. Summary of the invention
[0003] The technical problem to be solved by the present invention is to provide an expansion card fixing device to address the deficiencies of the prior art, wherein the expansion card fixing device can allow the plug-in end of the electrical connector to smoothly pass through the panel opening of the housing without occupying the space of adjacent expansion cards and without causing insulation (short circuit) problems.
[0004] In order to solve the above technical problems, the present invention provides an expansion card fixing device, which is arranged in a housing of an electronic device, and the housing is penetrated by a plurality of panel openings, and the expansion card fixing device comprises: a fixing frame, the fixing frame comprises a first section and a second section, one end of the first section is connected to one end of the second section, and the second section is provided with a plurality of through holes; a fixing seat, the fixing seat is arranged on the fixing frame, the fixing seat comprises a base and at least one fixing portion, the base is provided with a plurality of through holes, the through holes respectively correspond to the plurality of through holes, the fixing portion is connected to the base, and the fixing portion is fixed to the fixing frame; An adapter board, which is arranged on the fixing seat and is provided with at least one first connector; a plurality of electrical connectors, each of which has a plug-in end and a connecting end at both ends, the connecting ends of the electrical connectors being electrically connected to the adapter board, the electrical connectors respectively pass through a plurality of through holes of the fixing seat, and the plug-in ends of the electrical connectors respectively correspond to a plurality of through holes on the fixing frame; and an expansion card, which is provided with at least one second connector, the first connector and the second connector being electrically connected; wherein the fixing frame is fixed to the casing so that the plug-in ends of the plurality of electrical connectors fit into the panel openings.
[0005] Preferably, the fixing seat comprises at least one fixing plate, the fixing plate extends from one side of the base toward a direction away from the fixing frame, and the fixing plate is fixed to the expansion card by a first screw.
[0006] Preferably, at least one side extension of the base forms a reinforcing plate, the reinforcing plate is perpendicular to the base, and the reinforcing plate extends along the length direction of the base.
[0007] Preferably, two fixing portions are provided, and the two fixing portions are respectively formed by bending and extending two ends of the base.
[0008] Preferably, the adapter plate is arranged on a side of the fixing base away from the fixing frame, at least two screw hole columns are vertically arranged on the base of the fixing base, and at least two screws pass through the adapter plate and are respectively screwed to these screw hole columns, and the adapter plate and the fixing base are arranged to form a gap.
[0009] Preferably, the connecting ends of the electrical connectors extend in a direction parallel to the expansion card.
[0010] Preferably, the distance between the center line of each electrical connector and the expansion card is 5 mm to 8 mm.
[0011] Preferably, the electrical connectors are M12 connectors, the electrical connectors are circular connectors, and the outer sides of the electrical connectors each have a metal shell.
[0012] Preferably, the adapter plate and the base of the fixing seat are parallel to each other, and the adapter plate and the expansion card are perpendicular to each other.
[0013] Preferably, the base of the fixing seat is spaced apart from the fixing frame.
[0014] The beneficial effect of the present invention is that the expansion card fixing device provided by the present invention includes a fixing frame, a fixing seat, an adapter plate, a plurality of electrical connectors and an expansion card. The fixing seat is arranged on the fixing frame, the adapter plate is arranged on the fixing seat, the connection ends of these electrical connectors are electrically connected to the adapter plate, these electrical connectors respectively pass through the plurality of through holes of the fixing seat, and the plug-in ends of these electrical connectors respectively correspond to the plurality of through holes on the fixing frame. A first connector is arranged on the adapter plate, a second connector is arranged on the expansion card, the first connector and the second connector are electrically connected, the fixing frame is fixed to the housing, so that the plug-in ends of these electrical connectors respectively match these panel openings. The present invention can make the plug-in ends of the electrical connector pass through the panel opening of the housing smoothly, and the overall width is small, so that the space of the adjacent expansion card will not be occupied, the contacts of the electrical connector will not be exposed on one side of the expansion card, and there will be no insulation (short circuit) problem.
[0015] To further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only provided for reference and description and are not intended to limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The figure is a three-dimensional appearance diagram of the expansion card fixing device of the present invention.
[0017] Figure 2 It is a three-dimensional diagram of the expansion card fixing device of the present invention.
[0018] Figure 3 It is a three-dimensional view of the expansion card fixing device of the present invention from another angle.
[0019] Figure 4 It is a three-dimensional exploded view of the expansion card fixing device of the present invention.
[0020] Figure 5 It is a three-dimensional exploded view of the expansion card fixing device of the present invention from another angle.
[0021] Figure 6 It is a side view of the expansion card fixing device of the present invention.
[0022] Figure 7 It is a side view of the connector and expansion card of the present invention.
[0023] Figure 8 FIG. 4 is a schematic diagram of a casing of an electronic device according to the present invention. DETAILED DESCRIPTION
[0024] [Example]
[0025] See also Figures 1 to 3 The present invention provides an expansion card fixing device, which is arranged on a housing 100 (such as Figure 8 100 is a computer or other electronic device or electrical appliance. The housing 100 is penetrated by a plurality of panel openings 101. A circuit board 102 is arranged inside the housing 100. The circuit board 102 may be a main board, etc. A plurality of expansion slots 103 are arranged on the circuit board 102 for inserting expansion cards. In this embodiment, the distance between each two adjacent expansion slots 103 is 20.32 mm. Since the electronic device is a prior art and the present invention is not limited to the structure of the electronic device, it will not be described in detail.
[0026] Please refer to Figures 4 to 6 The expansion card fixing device includes a fixing frame 1, a fixing seat 2, an adapter board 3, a plurality of electrical connectors 4 and an expansion card 5. The fixing frame 1 is roughly bent into an L shape, and the fixing frame 1 includes a first section 11 and a second section 12. One end of the first section 11 is connected to one end of the second section 12. The length of the second section 12 is greater than the length of the first section 11, so that the first section 11 and the second section 12 form a short plate body and a long plate body respectively. The second section 12 is provided with a plurality of through holes 13, and these through holes 13 pass through the two sides of the second section 12. These through holes 13 can be round holes, and these through holes 13 are arranged at intervals. The shape of these through holes 13 is not limited, for example, they can also be other shapes such as square holes, rectangular holes or special-shaped holes.
[0027] The fixing seat 2 is arranged on the fixing frame 1. Preferably, the fixing seat 2 is a metal plate. The fixing seat 2 includes a base 21 and at least one fixing portion 22. The base 21 can be a plate body. In this embodiment, the base 21 corresponds to the second section 12 of the fixing frame 1 and forms a rectangular plate body. The base 21 is provided with a plurality of through holes 23. These through holes 23 pass through the two sides of the base 21. These through holes 23 can be round holes with flat sides to facilitate the positioning of the electrical connector 4. These through holes 23 are arranged at intervals, and these through holes 23 correspond to these through holes 13 respectively. The shape of these through holes 23 is not limited, for example, they can also be other shapes such as square holes, rectangular holes or special-shaped holes.
[0028] The fixing seat 2 further includes at least one fixing plate 24, which can be extended from the base 21 and can be used to fix the expansion card 5. In this embodiment, two fixing plates 24 are provided, which extend from one side of the base 21. The two fixing plates 24 can extend horizontally from one side of the base 21 toward a direction away from the fixing frame 1 to facilitate fixing the expansion card 5. The fixing plate 24 can use a first screw (screw) 25 to fix the expansion card 5 in a locking manner, so that the expansion card 5 is stably set on the fixing seat 2. In addition, at least one side of the base 21 can be extended to form a reinforcing plate 26, which is perpendicular to the base 21 and extends along the length direction of the base 21, so as to increase the strength of the fixing seat 2.
[0029] The fixing portion 22 is connected to the base 21. Preferably, two fixing portions 22 are provided, and the two fixing portions 22 are respectively connected to the two ends of the base 21. The two fixing portions 22 can be respectively formed by extending and bending the two ends of the base 21, and can also have a reinforcing effect, which can be used to increase the strength of the fixing seat 2. The fixing portion 22 of the fixing seat 2 can be fixed to the fixing frame 1, that is, the fixing portion 22 can be fixed to the fixing frame 1 by locking or the like using a second screw (screw) 27, so that the fixing seat 2 is fixedly arranged on the fixing frame 1. Preferably, the base 21 of the fixing seat 2 is arranged to be spaced apart from the fixing frame 1.
[0030] The adapter plate 3 is disposed on the fixing base 2, and the adapter plate 3 can be a circuit board. The adapter plate 3 is disposed on a side of the fixing base 2 away from the fixing frame 1. In this embodiment, at least two screw hole columns 28 are vertically disposed on the base 21 of the fixing base 2, and at least two third screws (screws) 29 pass through the adapter plate 3 and are respectively screwed to these screw hole columns 28, thereby fixing the adapter plate 3 on the fixing base 2, and the adapter plate 3 and the fixing base 2 can be disposed at a distance.
[0031] These electrical connectors 4 can be M12 connectors, but are not limited thereto. These electrical connectors 4 can also be other types of connectors. These electrical connectors 4 can be circular connectors. The two ends of these electrical connectors 4 have a plug-in end 41 and a connection end 42, respectively. The outer sides of these electrical connectors 4 have a metal shell 43. The plug-in ends 41 of these electrical connectors 4 correspond to the through holes 13 on the fixing frame 1, respectively. The connection ends 42 of these electrical connectors 4 are fixed to the adapter board 3, and the connection ends 42 of these electrical connectors 4 are electrically connected to the adapter board 3. Preferably, the distance G between the center line of each electrical connector 4 and the expansion card 5 (such as Figure 7 The adapter board 3 is provided with at least one first connector 6. In this embodiment, the adapter board 3 is provided with two first connectors 6.
[0032] The expansion card 5 can be electrically connected to the circuit board 102, that is, the expansion card 5 can be inserted into the expansion slot 103, so that the expansion card 5 is electrically connected to the circuit board 102. At least one second connector 7 is provided on the expansion card 5. In the present embodiment, two second connectors 7 are provided on the expansion card 5. The structure of the first connector 6 and the second connector 7 is not limited. They can be two corresponding electrical connectors, or sockets and gold fingers, etc. The first connector 6 and the second connector 7 are electrically connected, so that these electrical connectors 4 can be electrically connected to the expansion card 5 and the circuit board 102 through the adapter board 3. Preferably, the adapter board 3 and the base 21 of the fixing seat 2 are parallel to each other, and the adapter board 3 and the expansion card 5 are perpendicular to each other. A shell 8 (such as Figure 1 as shown) for coating.
[0033] The fixing frame 1 can be fixed to the casing 100, and the electrical connectors 4 are combined with the adapter plate 3 and then pass through the through holes 23 of the fixing base 2, and the plug-in ends 41 of the electrical connectors 4 correspond to the through holes 13 on the fixing frame 1, so that the plug-in ends 41 of the electrical connectors 4 are matched with the panel openings 101 of the casing 100, so that the plug-in ends 41 of the electrical connectors 4 can pass through the panel openings 101 of the casing 100.
[0034] These electrical connectors 4 are arranged at 180°, and the extending direction of the connection ends 42 of these electrical connectors 4 is parallel to the expansion card 5. The present invention particularly provides a fixing seat 2 for combining the fixing frame 1, the adapter board 3, the electrical connector 4 and the expansion card 5, and can use the first connector 6 to adjust the second connector 7 (gold finger) to a standard height. In addition, the through hole 13 of the fixing frame 1, the through hole 23 of the fixing seat 2 and the adapter board 3 can be used to position the electrical connector 4, which can prevent the electrical connector 4 from being skewed during assembly and plugging.
[0035] [Beneficial Effects of Embodiments]
[0036] The beneficial effect of the present invention is that the expansion card fixing device provided by the present invention includes a fixing frame, a fixing seat, an adapter plate, a plurality of electrical connectors and an expansion card. The fixing seat is arranged on the fixing frame, the adapter plate is arranged on the fixing seat, the connection ends of these electrical connectors are electrically connected to the adapter plate, these electrical connectors respectively pass through these through holes of the fixing seat, and the plug-in ends of these electrical connectors correspond to these through holes on the fixing frame respectively. A first connector is arranged on the adapter plate, a second connector is arranged on the expansion card, the first connector and the second connector are electrically connected, the fixing frame is fixed to the housing, so that the plug-in ends of these electrical connectors are respectively matched with these panel openings. The present invention can make the plug-in ends of the electrical connector pass through the panel opening of the housing smoothly, and the overall width is small, so that the space of the adjacent expansion card will not be occupied, the contact points of the electrical connector will not be exposed to one side of the expansion card, and there will be no insulation (short circuit) problem.
[0037] Since the above description is only a preferred embodiment of the present invention and is not intended to limit the patent protection scope of the present invention, any equivalent changes made using the contents of the present invention description and drawings are included in the scope of protection of the present invention.
Claims
1. An expansion card fixing device, arranged in a housing of an electronic device, wherein the housing has a plurality of panel openings extending therethrough, characterized in that: The expansion card fixing device comprises: A fixing frame, the fixing frame comprising a first section and a second section, one end of the first section is connected to one end of the second section, and the second section is provided with a plurality of through holes; a fixing seat, the fixing seat is arranged on the fixing frame, the fixing seat comprises a base and at least one fixing portion, the base is provided with a plurality of through holes, the through holes respectively correspond to the plurality of through holes, the fixing portion is connected to the base, and the fixing portion is fixed to the fixing frame; an adapter plate, the adapter plate being disposed on the fixing seat and having at least one first connector disposed on the adapter plate; A plurality of electrical connectors, each of which has a plug-in end and a connecting end at both ends, the connecting ends of the plurality of electrical connectors being electrically connected to the adapter board, the plurality of electrical connectors respectively passing through the plurality of through holes of the fixing seat, and the plug-in ends of the plurality of electrical connectors respectively corresponding to the plurality of through holes on the fixing frame; and an expansion card, wherein at least one second connector is disposed on the expansion card, and the first connector and the second connector are electrically connected; The fixing frame is fixed to the housing so that the plug-in ends of the plurality of electrical connectors are matched with the panel openings.
2. The expansion card fixing device according to claim 1, wherein: The fixing seat includes at least one fixing plate, and the fixing plate extends from one side of the base toward a direction away from the fixing frame. The fixing plate is locked and fixed to the expansion card by a first screw.
3. The expansion card fixing device according to claim 1, wherein: At least one side extension of the base forms a reinforcing plate, the reinforcing plate is perpendicular to the base, and the reinforcing plate extends along the length direction of the base.
4. The expansion card fixing device according to claim 1, wherein: Two fixing parts are provided, and the two fixing parts are respectively formed by bending and extending the two ends of the base.
5. The expansion card fixing device according to claim 1, wherein: The adapter plate is arranged on a side of the fixing seat away from the fixing frame. At least two screw hole columns are vertically arranged on the base of the fixing seat, and at least two screws pass through the adapter plate and are respectively screwed to these screw hole columns. The adapter plate and the fixing seat are arranged to form a gap.
6. The expansion card fixing device according to claim 1, wherein: The connecting ends of the plurality of electrical connectors extend in directions parallel to the expansion card.
7. The expansion card fixing device according to claim 1, wherein: The distance between the center line of each electrical connector and the expansion card is 5 mm to 8 mm.
8. The expansion card fixing device according to claim 1, wherein: The multiple electrical connectors are M12 connectors, the multiple electrical connectors are circular connectors, and the outer sides of the multiple electrical connectors each have a metal shell.
9. The expansion card fixing device according to claim 1, wherein: The adapter plate and the base of the fixing seat are parallel to each other, and the adapter plate and the expansion card are perpendicular to each other.
10. The expansion card fixing device according to claim 1, wherein: The base of the fixing seat is arranged to be spaced apart from the fixing frame.
Citation Information
Patent Citations
Adapter card for 3U CPCI-E x8 bus interface
CN105278622A
Industrial personal computer
CN110895427A