EP4121836A1 - Ordinateur et procédé de fixation d'une carte d'extension dans un ordinateur - Google Patents

Ordinateur et procédé de fixation d'une carte d'extension dans un ordinateur

Info

Publication number
EP4121836A1
EP4121836A1 EP21713630.8A EP21713630A EP4121836A1 EP 4121836 A1 EP4121836 A1 EP 4121836A1 EP 21713630 A EP21713630 A EP 21713630A EP 4121836 A1 EP4121836 A1 EP 4121836A1
Authority
EP
European Patent Office
Prior art keywords
expansion card
computer
mainboard
bolt
front wall
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
Application number
EP21713630.8A
Other languages
German (de)
English (en)
Inventor
August Scherer
Lutz Rösler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Client Computing Ltd
Original Assignee
Fujitsu Client Computing Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Client Computing Ltd filed Critical Fujitsu Client Computing Ltd
Publication of EP4121836A1 publication Critical patent/EP4121836A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • G06F1/185—Mounting of expansion boards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • G06F1/186—Securing of expansion boards in correspondence to slots provided at the computer enclosure

Definitions

  • the invention relates to a computer which has a front wall, a rear wall and a mainboard.
  • the mainboard has a slot for expansion cards, to which an expansion card is attached with a front side opposite the front wall.
  • An expansion card is usually plugged into a slot provided on the mainboard for connection to the mainboard.
  • the expansion card is electronically and mechanically connected to the mainboard through the plug connection.
  • the plug connection as such is generally not sufficient for a sufficient fastening of the expansion card in a computer housing.
  • the mounting part comprises, for example, as in US application US 2011/0128710 A1, a rail into which the expansion card can be inserted.
  • a complex, mechanical tensioning mechanism for fixing the expansion card can be provided in the holder part.
  • the mounting parts described require space for installation in the computer housing, which is hardly available, especially in very small housing models. Furthermore, the installation of a bracket part in the housing means a Additional assembly step, which usually takes place after the mainboard has been installed and before the expansion card is installed in the computer.
  • the object of the present invention is therefore to simplify the installation and fixing of an expansion card in a computer.
  • this object is achieved in that a
  • the bracket for securing the expansion card is attached to the front wall of the computer.
  • the mounting device comprises a bar that is fastened to the expansion card and a bolt that is inserted into a hole provided for this purpose in the front wall.
  • the expansion card to be attached is connected to the slot for expansion cards on the mainboard via a plug connection.
  • the plug connection is provided, for example, on the underside of the expansion card.
  • the connector takes up only a section of this page.
  • the bracket is firmly attached to the front of the expansion card.
  • the strip of the holding device is fastened to the expansion card with a screw.
  • the bar is fixed to the expansion card with several screws.
  • the front of the expansion card has threaded holes in which the screws are fixed.
  • the bar is, for example, a flat sheet of metal that rests on the front of the expansion card.
  • the bar has a substantially rectangular shape.
  • the long side of the bar is arranged vertically.
  • the bar has one or more curvatures or bulges.
  • the area of the bar can be smaller than the area of the front of the expansion card so that the bar covers only a portion of the front.
  • the bolt is, for example, a metal pin that is attached to the front of the bar.
  • the metal pin has a round, cylindrical shape.
  • the bolt can be inserted precisely into a hole provided in the front wall of the computer.
  • the hole has a round shape with a slightly larger diameter than the metal pin.
  • the front wall of the computer is understood here and below to mean the front wall of a computer housing which surrounds the described assembly including the mainboard and expansion card.
  • the front side is always the side of the individual components that is oriented towards the front wall. The same applies to the back of the computer and the back of the individual components.
  • the mounting device described which is attached directly to the expansion card, is the small footprint.
  • the mounting device in which the bar rests directly on the expansion card, is required the mounting device has hardly any additional space in the computer case compared to the expansion card.
  • the mounting device Since the mounting device is attached to the expansion card, no further assembly step is necessary to fix the mounting device when assembling the computer. Thus, no space is required in the computer housing for mounting the mounting device.
  • the mounting device does not have to be accessible from the outside.
  • the strip comprises a curvature, the shape of which is adapted to an edge of the expansion card and defines the position of the strip on the expansion card.
  • the curvature is carried out on one side and affects the entire width of the bar.
  • the lower end of the bar is curved so that the bar rests against the front of the expansion card and its lower end rests against the edge between the front and the bottom of the expansion card.
  • the curvature is right-angled and connects two flat sections of the bar that lie against the front and bottom of the expansion card.
  • the bolt comprises a blind mate element on its end face.
  • the side of the bolt facing away from the expansion card is referred to as the end face.
  • the blind mate element enables the bolt to be easily and safely inserted into the hole provided in the front wall of the computer housing.
  • the blind mate element consists of a tapering or pointed end face of the bolt.
  • the blind mate element has the shape of a truncated cone.
  • the bolt is characterized in that it comprises a rubber part.
  • the entire bolt or a front portion of the bolt can be made of a rubber material.
  • the rubber part is attached to the strip, for example, via a metal socket, so that the bolt comprises a metal part and the rubber part.
  • the metal part is riveted into the bar, for example.
  • a rubber part has properties such as high flexibility and elasticity compared to a metallic component.
  • the rubber part facilitates the simple and safe insertion of the bolt into the hole.
  • an elastic rubber part dampens vibrations and shocks.
  • the bolt dampens vibrations that are triggered, for example, by moving parts such as rotating aerators.
  • the bolt thus reduces the transmission of vibrations or resonance effects at the transition between the expansion card and the computer housing.
  • the mainboard is on the underside and the rear of the mainboard on a support element set.
  • the support element is, for example, a sheet of metal.
  • the support element is characterized in that it comprises a horizontal section on which the mainboard is fixed, and a vertical section which is arranged perpendicular thereto and which is inserted into the rear wall of the computer.
  • the horizontal section is, for example, a sheet of metal on which the lower side of the mainboard, which is also aligned horizontally here, is fixed.
  • the slot for the expansion card is located here on the top of the mainboard.
  • the vertical section of the support element is, for example, a second metal sheet which is arranged normal to the horizontal section of the support element.
  • Metal sheets have a high level of electromagnetic compatibility with regard to the other components of the computer.
  • the two sections are arranged so that the horizontal section forms the bottom and the vertical section forms the back of an imaginary open cuboid.
  • the two sections are firmly connected to one another, for example by riveting or screwing.
  • the vertical section is also a section of the rear wall of the computer case. In one embodiment, the vertical section spans the entire back wall of the computer case.
  • the vertical section thus comprises structures that are typical for the rear wall of a computer housing. This includes, for example, slide-in slots for expansion cards, ventilation openings and openings for various connections such as USB, HDMI, VGA or Ethernet plugs.
  • the front wall comprises a U-shaped hole for receiving the bolt.
  • the diameter of the rounding of the hole is slightly larger than the diameter of the bolt so that it can be easily and safely inserted into the hole.
  • an installation opening for easy installation of the expansion card is recessed in the front wall of the computer housing, the installation opening being adjacent to the straight side of the U-shaped hole.
  • the installation opening has a rectangular shape.
  • the expansion card can be installed and removed through the installation opening in the front panel without opening the rear panel. To do this, the plug connection between the expansion card and the mainboard is released.
  • the expansion card plugged into the top of the mainboard in one embodiment can then be separated from the mainboard by lifting it upwards.
  • the hole that receives the bolt must have an opening at the top so that the hole is connected to the installation opening. This results in a U-shape of the hole, the round edge of which is adapted to the bolt, while the straight side is adjacent to the installation opening.
  • the hole is then positioned in the front wall immediately below the installation opening. The installation opening is dimensioned so that the expansion card can be easily inserted and removed through it.
  • the installation opening is covered with a cover element.
  • the cover element closes the installation opening when the computer is in operation.
  • the cover element comprises a flat front and four narrow side parts.
  • the front side of the cover element has a substantially rectangular shape.
  • the cover element has four narrow side parts which are arranged perpendicular to the front side. Via the side parts, the cover element can snap into place on four strips provided for this purpose on the edge of the installation opening and thus be fastened.
  • the cover element can have ventilation openings.
  • the cover element comprises fans for ventilating the housing.
  • the cover element is made from sheet metal, for example. Metal sheets have a high level of electromagnetic compatibility.
  • the cover element has a counter-locking element for fixing the bolt in the U-shaped hole.
  • the counter-locking element is a resilient metal part which rests from above on the side surface of the cylindrical bolt and presses it down into the U-shaped hole.
  • the counter-locking element is, for example, a section of a lower side part of the cover element.
  • the front wall of the computer is covered by a bezel.
  • the cover is used to provide additional protection for the front wall of the computer housing, for example from liquids or dust.
  • the invention further comprises a method for mounting an expansion card in a computer.
  • the procedure is characterized by the following steps:
  • the support element has a vertical and a horizontal section which are normal to one another.
  • the horizontal section comprises, for example, a metal sheet.
  • the mainboard can be aligned horizontally outside the computer case and fixed with its underside on the horizontal section. For this purpose, the mainboard can be screwed to the support element.
  • the support element has a thread suitable for this purpose.
  • the mainboard has a slot for an expansion card.
  • the expansion card is plugged into this slot and thus electrically and mechanically connected to the mainboard.
  • the expansion card is thus also connected to the support element via the mainboard.
  • the expansion card can also be attached to the vertical Section of the support element, for example, be fastened by screwing or plug connection.
  • the support element comprises a vertical section on the rear side.
  • This vertical section covers the insertion opening after it has been inserted.
  • the vertical section is also a section of the rear wall of the computer case. In one embodiment, the vertical section spans the entire back wall of the computer case.
  • the method described enables the simple assembly of an assembly, which includes the mainboard, the expansion card and any other components of the computer, outside the computer housing. This ensures that the components can be easily accessed during assembly.
  • the invention includes another method of assembling an expansion card in a computer.
  • the procedure is characterized by the following steps:
  • the side wall is a wall of the computer case that is positioned between and thus connects the front wall and the rear wall.
  • the side wall includes a side opening. In one embodiment, the side opening takes up the entire area of the side wall.
  • the side wall is covered by the side cover when the computer is in operation.
  • the side cover also locks a bezel on the front wall of the computer. Therefore, the side cover must be removed in front of the cover.
  • the expansion card is preferably inserted through the side opening. In an alternative embodiment, the expansion card is inserted through the installation opening in the front of the computer housing.
  • the installation opening is positioned so that the slot for inserting the expansion card is easily accessible through the side opening.
  • the expansion card After insertion, the expansion card is located above the slot on the mainboard provided for it, with the bolt protruding through the installation opening in the front of the computer case.
  • the hole has a U-shape, the flat side of which is connected to the installation opening.
  • the hole is in the front wall of the computer case below the installation opening.
  • the expansion card is installed by plugging it into the slot on the mainboard.
  • the installation opening enables the expansion card to be inserted into the slot and the bolt to be inserted into the hole at the same time.
  • the expansion card is also attached to the rear wall of the computer.
  • the expansion card is attached, for example, to the rear wall of the Computer screwed.
  • the expansion card can be attached to the back of the computer using a plug connection. The side opening enables the expansion card to be reached in order to attach it to the rear wall.
  • the counter-locking element is, for example, a resilient element on the lower side part of the cover element.
  • the front wall of the computer can be covered again with the cover.
  • the side cover locks the cover so that it cannot be removed from the front panel when the computer is in operation without opening the side cover.
  • Figure 1 is a perspective front view of a
  • Figure 2 is a perspective front view of the embodiment of the support element without the assembly
  • Figure 3 is a perspective front view of a
  • Figure 4 is a perspective front view of a
  • Embodiment of the computer comprising the support element and the assembly mounted thereon
  • FIG. 5 is a perspective front view of FIG.
  • Figure 6 is a side cross-section through the
  • Embodiment of the computer wherein the front wall is covered with a cover.
  • FIG. 1 shows a first embodiment of the support element 1.
  • the support element 1 has a horizontal section 2 and a vertical section 3.
  • the vertical section 3 is attached to the rear of the horizontal section 2 on the latter.
  • the support element 1 is shown in detail in FIG.
  • the vertical section 3 is perpendicular to the horizontal section 2 and is part of the rear wall of the Computer case.
  • the horizontal and vertical sections are, for example, metallic sheets.
  • the vertical section 3 has ventilation openings 3A. Furthermore, the vertical section comprises slots 3B for expansion cards and openings 3C for connections.
  • the horizontal section has threads 4 for fixing the mainboard 5 by means of screws 6.
  • the mainboard is shown in FIG. 1.
  • the mainboard 5 is aligned horizontally and rests on the horizontal section 2 of the support element 1.
  • the mainboard 5 is fixed to this by screws 6.
  • the mainboard 5 is additionally fixed on its rear side on the vertical section 3.
  • the mainboard 5 includes a slot into which the expansion card 7 is plugged.
  • the expansion card 7 is, for example, a graphics card.
  • the expansion card 7 is positioned perpendicular to the mainboard 5 and perpendicular to the vertical section 3 of the computer housing.
  • the expansion card 7 contains a fan 8 for ventilation and cooling.
  • a holding device 10 is attached to the front 9 of the expansion card 7.
  • the mounting device 10 is attached to the front 9 of the expansion card by two screw connections 11.
  • the mounting device 10 of a first embodiment of the computer is shown in detail in FIG.
  • the mounting device 10 comprises a bar 12 and a bolt 13.
  • Two screw connections 11 are provided in the bar 12.
  • the bar 12 has a protruding section 14 which comprises a metal mount 15 for the bolt 13.
  • the protruding section 14 is integrated into the rest of the strip 12 via two curves 14A and 14B.
  • the bolt 13 comprises a cylindrical rubber part which is fastened to the bar via a metallic socket.
  • the flexible and elastic rubber dampens the transmission of vibrations or shocks between the expansion card 7 and the computer housing.
  • the end face of the bolt 13 has a blind mate element 16.
  • a blind mate element 16 ensures the safe and easy insertion of the bolt 13.
  • the blind mate element 16 has a truncated cone shape on the end face of the bolt 13.
  • the bar 12 has a curvature 17 which defines the position of the bar 12 on the expansion card 17.
  • the shape of the curvature 17 corresponds to the lower edge of the front side 9 of the expansion card 7.
  • the bar 12 can only be fixed to the expansion card 7 in one orientation, so that the position of the curvature 17 and the lower edge of the expansion card 7 match.
  • FIG. 4 shows an embodiment of the computer which has the previously described embodiment of the support element with the main board 5 and expansion card 7 applied thereon according to Figure 1 contains. Furthermore, the computer comprises a front wall 18. Further components of the computer that do not relate to the invention are partially neglected in the figure.
  • the front wall 18 comprises a rectangular installation opening 19 which is used when the expansion card 7 is installed. At the edges of the installation opening 19 strips 20 are provided to which a cover element can be attached. Below the installation opening 19, a U-shaped hole 21 adjoins this. The straight side of the U-shaped hole adjoins the installation opening 19.
  • the bolt 13 is inserted into the U-shaped hole 21 from the rear.
  • the hole 21 in the front wall 18 must be suitably positioned.
  • the expansion card 7 After the bolt 13 has been inserted into the U-shaped hole, the expansion card 7 is fixed to the front wall 18. After being installed in the computer, the expansion card 7 rests directly on the front wall 18 or is only a short distance away from it.
  • the expansion card 7 is removed or exchanged during operation of the computer, it is not necessary to remove the entire support element 1 with the assembly mounted on it over the rear of the computer housing. Rather, the expansion card 7 is individually inserted through a side opening (not shown) in a side wall of the computer housing for installation and removed for removal.
  • the side wall is a wall of the Computer housing that is positioned between and connects the front and rear walls.
  • the expansion card 7 is inserted through the installation opening 19 and removed.
  • the expansion card 7 After the expansion card 7 has been inserted, it is plugged into the slot on the mainboard 5 provided for it from above. At the same time, the bolt 13 is pushed through the installation opening 19 from above into the U-shaped hole 21 and thus the expansion card 7 is additionally secured.
  • the cover member 22 includes a front side 22A that has a rectangular shape.
  • the cover element 22 is made of metal.
  • At the edges of the front side there are narrow side parts 22B which point backwards perpendicularly to the front side, so that the cover element 22 forms a cuboid with an open rear side.
  • the side parts 22B can snap into place on the strips 20 at the edge of the installation opening 19 in order to fasten the cover element 22 in this way.
  • the cover element 22 comprises two fans 23 for ventilating and cooling the computer.
  • the cover element 22 furthermore comprises a counter-locking element 24 in the lower side part, which presses against the side surface of the cylindrical bolt 13 from above and thus fixes it to the front wall 18.
  • the opposing element In the present embodiment, 24 is a resilient metal sheet which is firmly connected to the cover element 22.
  • the front wall 18 furthermore comprises additional openings such as ventilation openings 18A or insertion slots 18B or openings for connections 18C.
  • FIG. 6 shows a section through the computer according to the described embodiment from the side.
  • the expansion card 7 is plugged vertically on the mainboard 5, which is horizontally on a horizontal section
  • the support element comprises a plurality of threads 4.
  • the vertical section 3 of the support element fits into the rear wall 25 of the computer housing.
  • the expansion card 7 comprises a fan 8 for cooling.
  • the expansion card 7 is fixed to the front wall 18 via a mounting device 10, which is fastened to the expansion card with screws 11.
  • a bolt 13 is inserted into a hole 21 provided for this purpose in the front wall 18.
  • the front wall 18 furthermore comprises an installation opening 19 which is closed with a cover element 22.
  • the cover element 22 comprises fans 23 for ventilating the computer.
  • the front wall 18 is covered with a cover 26, which protects the computer, for example, from dust or liquids from the environment.
  • a side cover (not shown) and then the panel 26 and the cover element 22 on the side wall of the computer housing must first be removed.
  • the side cover locks the cover 26 in the closed state, so that the side cover must be removed first and then the cover.
  • the entire assembly including the expansion card 7 and the mainboard 5 was mounted on the support element 1 and this is then inserted through the opening 25A in the rear wall 25 of the computer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Casings For Electric Apparatus (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un ordinateur qui comprend une paroi avant (18), une paroi arrière (25), une carte mère (5) pourvue d'un logement d'extension pour cartes d'extension et une carte d'extension (7) insérée dans le logement d'extension. Le côté avant (9) de la carte d'extension (7) se trouve face à la paroi avant (18) de l'ordinateur. Le côté avant (9) de la carte d'extension (7) est caractérisé en ce qu'un dispositif de retenue (10) est monté sur celui-ci pour la fixation de la carte d'extension (7) sur la paroi avant (18). Le dispositif de retenue (10) comprend une languette (12), qui est assujettie à la carte d'extension (7), et un boulon (13), qui est inséré dans un trou (21) prévu à cet effet dans la paroi avant (18).
EP21713630.8A 2020-03-19 2021-03-17 Ordinateur et procédé de fixation d'une carte d'extension dans un ordinateur Pending EP4121836A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020107646.0A DE102020107646B4 (de) 2020-03-19 2020-03-19 Computer und Verfahren zum Festlegen einer Erweiterungskarte in einem Computer
PCT/EP2021/056871 WO2021185930A1 (fr) 2020-03-19 2021-03-17 Ordinateur et procédé de fixation d'une carte d'extension dans un ordinateur

Publications (1)

Publication Number Publication Date
EP4121836A1 true EP4121836A1 (fr) 2023-01-25

Family

ID=75143630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21713630.8A Pending EP4121836A1 (fr) 2020-03-19 2021-03-17 Ordinateur et procédé de fixation d'une carte d'extension dans un ordinateur

Country Status (4)

Country Link
EP (1) EP4121836A1 (fr)
JP (1) JP7436925B2 (fr)
DE (1) DE102020107646B4 (fr)
WO (1) WO2021185930A1 (fr)

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US5398164A (en) 1993-02-24 1995-03-14 International Business Machines Corporation Printed circuit card latching and stiffening assembly
US5914854A (en) 1996-12-31 1999-06-22 Dell Usa, L.P. Locking personal computer expansion card guide
US6166917A (en) * 1998-01-07 2000-12-26 3Com Corporation Techniques of assembling modular electronic equipment
US6619766B1 (en) 1999-10-12 2003-09-16 Gateway, Inc. Device mounting and retention assembly
US6691766B1 (en) 2000-09-15 2004-02-17 Lucent Technologies Inc. Cabinet cooling with heat pipe
JP3937985B2 (ja) 2002-09-10 2007-06-27 ソニー株式会社 電子部品実装組み込み機器及び電子部品実装基板の取付け方法
JP4401918B2 (ja) 2004-09-27 2010-01-20 東芝テック株式会社 拡張用ボードの取付構造
CN2831229Y (zh) 2005-08-18 2006-10-25 鸿富锦精密工业（深圳）有限公司 扩充卡辅助固定装置
US7672143B2 (en) 2007-05-30 2010-03-02 Hewlett-Packard Development Company, L.P. Card holder and bracket in computer system
JP5067078B2 (ja) 2007-08-30 2012-11-07 ミツミ電機株式会社 カードスロットの固定構造
US7920388B2 (en) 2008-10-10 2011-04-05 Inventec Corporation Fastening structure for expansion card
CN201628899U (zh) 2009-12-01 2010-11-10 鸿富锦精密工业（深圳）有限公司 扩充卡固定装置
CN102346517A (zh) * 2010-08-05 2012-02-08 鸿富锦精密工业（深圳）有限公司 扩充卡固定装置
CN102385422B (zh) 2010-08-30 2016-06-29 罗普特（厦门）科技集团有限公司 电子装置壳体
US8659907B2 (en) 2010-12-09 2014-02-25 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd Mounting apparatus for expansion card
CN103092282A (zh) 2011-10-27 2013-05-08 鸿富锦精密工业(武汉)有限公司 扩充卡固定装置

Also Published As

Publication number Publication date
JP7436925B2 (ja) 2024-02-22
DE102020107646B4 (de) 2022-01-27
WO2021185930A1 (fr) 2021-09-23
JP2023518047A (ja) 2023-04-27
DE102020107646A1 (de) 2021-09-23

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