WO1998039704A1 - Trägeranordnung für elektronische baugruppen - Google Patents
Trägeranordnung für elektronische baugruppen Download PDFInfo
- Publication number
- WO1998039704A1 WO1998039704A1 PCT/DE1998/000212 DE9800212W WO9839704A1 WO 1998039704 A1 WO1998039704 A1 WO 1998039704A1 DE 9800212 W DE9800212 W DE 9800212W WO 9839704 A1 WO9839704 A1 WO 9839704A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- holes
- arrangement according
- carrier arrangement
- frame
- fastening
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
- G11B33/125—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a plurality of recording/reproducing devices, e.g. modular arrangements, arrays of disc drives
- G11B33/127—Mounting arrangements of constructional parts onto a chassis
- G11B33/128—Mounting arrangements of constructional parts onto a chassis of the plurality of recording/reproducing devices, e.g. disk drives, onto a chassis
-
- 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
- G06F1/187—Mounting of fixed and removable disk drives
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
- G11B17/12—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis
Definitions
- the invention relates to a carrier arrangement for electronic assemblies, in particular magnetic disk drives, with a slide-in frame which can be inserted into a drive shaft of an electronic data processing device, in particular a PC, server or peripheral device unit, the length of which corresponds to the depth of the drive shaft.
- No. 5,596,484 already describes a mounting kit for mounting a floppy disk drive in a receiving slot intended for a larger electronic device. wrote.
- This has two mounting rails with a U-shaped cross-sectional profile.
- Such a rail is screwed to both side walls of the disk drive with a U-leg.
- fastening holes are provided in the U-leg lying against the side wall, through which fastening screws are screwed into the floppy disk drive housing. Enlarged openings are made in the other U-leg, which allow the screw head to pass through.
- This U-leg is also provided with threaded holes into which additional screws for fastening the floppy disk drive are screwed into the receiving slot.
- the mounting rails protrude towards the rear of the diskette drive.
- the mutually opposite U-legs of the two mounting rails have a printed circuit board which carries a plug to be connected to the floppy disk drive on the side facing the floppy disk drive and a connecting plug to the receiving shaft on the side parallel thereto.
- the invention has for its object to provide a support arrangement of the type mentioned, with which a simple assembly of different assemblies on the slide-in frame and a simple adjustment of the functional dimension is possible, which by the distance between the connector intended for connection to the rear wall of the device Insert and a release lever arranged on the opposite side of the insertion frame is given.
- this object is achieved by a U-shaped bracket, in the U-leg of which first holes for the passage of first fastening elements for fastening the bracket on side surfaces of the assembly which are oriented parallel to the direction of insertion and second holes for the passage of second fastening means for fastening the bracket are formed on the slide-in frame.
- the bracket is an inexpensive and easy to manufacture part compared to the slide-in frame. Either several such brackets adapted to the respective assemblies can be provided, or a bracket can be used which has the first fastening holes corresponding to the respective assemblies to be assembled. This means that the slide-in frame itself does not have to be adapted to the respective assemblies.
- the first holes are arranged asymmetrically with respect to the longitudinal center of the U-legs. If the bracket is mounted in such a way that its U-crossbar points to the rear wall of the device and once connected in the opposite position to the slide-in frame, the first fastening holes in the two positions of the bracket have different distances from the end of the slide-in frame facing the rear of the device . This offers the possibility of mounting electronic assemblies of different lengths or with different distances from the end of the slide-in frame facing the rear wall of the device.
- the first holes are preferably smooth bores, whereas the second holes are, for example, an internal thread to have.
- This offers the possibility, on the one hand, of screwing the bracket onto the assembly and, on the other hand, of conveniently screwing the insert frame onto the bracket connected to the assembly.
- the openings in the insertion frame assigned to the second holes can be designed as elongated holes, the longitudinal axis of which runs parallel to the direction of insertion. This offers an additional possibility of adjusting the module in the direction of insertion relative to the insertion frame.
- Fastening holes can be provided on the U-crosspiece of the bracket for fastening a plug which is intended for the electrical connection to the rear wall of the device. This means that you do not need your own carrier or mounting brackets for the connector if it is not attached to the module itself but is connected to the module via flexible conductors.
- the slide-in frame can be formed, for example, by a cuboid-shaped housing, the housing wall of which extends parallel to the direction of insertion and at its edges parallel to the direction of insertion protrudes beyond the adjacent housing walls in such a way that the housing can be pushed into the guide rails of the drive shaft with the edges.
- the housing not only serves to mechanically protect the assembly, but can also be designed as an electronic shield.
- the first and / or the second fastening elements at least in their area penetrating the U-legs and / or a frame element, of damping elements made of an elastic material are surrounded.
- damping elements prevent the vibrations at the fastening points between the slide-in frame and the drives from being transmitted directly.
- the damping elements expediently have at least one flange which is intended to bear against a U-leg surface and a holding section which engages in the hole in question.
- these comprise two mutually parallel flanges connected to one another by the holding element.
- the damping elements can be mounted like a cable grommet, which is used to lead cables through sheet metal walls, by compressing one of the flanges and pushing it through the hole in question. On the other side of the U-leg, the flange springs open again, so that the damping element is firmly seated in the hole in question. It goes without saying that the diameter of the hole must be adapted to the thickness of the holding section. The assembly can also be further facilitated by the fact that the damping elements are already firmly connected to the fastening elements. Further features and advantages of the invention result from the following description, which in connection with the accompanying drawings explains the invention with reference to exemplary embodiments. Show it:
- FIG. 1 shows a schematic perspective view of a bracket according to the invention
- FIG. 2 shows a side view of a housing-shaped slide-in frame with a mounted magnetic disk drive, part of the side wall being removed,
- FIG. 3 shows a top view of the slide-in frame shown in FIG. 2 in the direction of arrow A in FIG. 2, parts of the cover surface being broken away,
- FIG. 4 shows a side view of the slide-in frame shown in FIGS. 2 and 3 in the direction of arrow B in FIG. 3,
- FIG. 5 shows a view corresponding to FIG. 2 of a slide-in frame with a different disk drive and the bracket rotated by 180 °
- FIG. 6 shows a schematic, exploded view to explain the assembly of a drive on a mounting bracket using damping elements
- FIG. 7 shows a section through a damping element used in the arrangement according to FIG. 6,
- FIG. 8 shows a partially sectioned top view of a bracket according to a further embodiment of the invention
- Figure 9 is a schematic plan view of a drive that belongs to the bracket according to Figure 8.
- Figure 10 is a schematic side view of a fastener used in Figure 9 on an enlarged scale.
- FIG. 1 shows a U-shaped mounting bracket, generally designated 10, which is intended for mounting an electronic assembly, in particular a disk drive, in a slide-in frame.
- the mounting bracket 10 consists of a sheet metal strip and has two mutually parallel U-legs 12 which are connected to one another via a U-cross bar 14.
- First fastening holes 16 are provided in the U-legs 12 and are used for pushing through fastening elements, for example screws, with which the mounting bracket 10 can be screwed to a running gear.
- the fastening holes 16 are arranged asymmetrically with respect to the longitudinal center axis of the U-legs 12 represented by a dash-dotted line 18.
- second fastening holes 20 are also formed, which are used to fasten the U-bracket 10 to the insertion frame. These holes 20 can be threaded.
- the U-cross bar 14 also has two threaded bores 22, with the aid of which a plug is fastened to the U-cross bar can be, which enables the assembly mounted in the mounting bracket 10 to be plugged into a rear wall of a data processing device, as will be explained in the following.
- FIGS. 2 to 4 show the use of the mounting bracket shown in Figure 1 in a slide frame according to a first embodiment of the invention.
- the slide-in frame generally designated 24 in FIGS. 2 to 4, consists of a cuboid housing with a top surface 26, a bottom surface 28, side walls 30 and 32 and a front wall 34. The rear wall is open.
- the top surface 26 and the bottom surface 28 are formed by perforated plates in order to facilitate the ventilation of the enclosed drive.
- an unlocking lever 38 is pivoted about an axis 36, which makes it easier to pull the slide-out frame 24 out of a device in a known manner.
- the bottom surface 28 projects at its longitudinal edges 39 over the adjacent side walls 30, 32, so that the insertion frame 24 can be inserted with these edges 39 into the guide rails of the drive shaft of a subrack, not shown.
- a drive 40 is mounted in the slide-in frame 24 with the aid of the mounting bracket 10 shown in FIG. the mounting bracket 10 is screwed to the drive 40 with the aid of screws 42 which pass through the first fastening holes 16.
- the mounting bracket 10 is fastened to the side walls 30 and 32 of the slide-in frame 24 with the aid of screws 44 which penetrate elongated holes 46 in the side walls 30 and 32 (FIG. 4) and insert them into the second fastening holes 20 of the mounting bracket. to grab.
- the mounted drive 40 cannot be plugged directly onto the rear wall of the device, but is connected to a plug 50 via a flexible conductor arrangement 48.
- the mounting bracket 10 is arranged so that its U-cross bar 14 is close to the rear of the slide-in frame 24 and can carry the connector 50, which is fastened to the U-cross bar 14 by means of screws 52 (FIG. 3).
- the elongated holes 46 in the side walls 30, 32 of the slide-in frame 24 offer the possibility of positioning the mounting bracket 10 together with the drive 40 within the slide-in frame 24 such that the distance between the plug 50 and the unlocking lever 38, the so-called functional dimension, is precisely matched to the length or depth of the drive bay.
- FIG. 5 shows the use of the mounting bracket 10 shown in Figure 1 for the assembly of a drive 40 which is directly connected to its connector 50, i.e. can be plugged directly into the back of the device.
- the mounting bracket 10 is folded through 180 ° about the longitudinal central axis 18 of the U-legs 12, so that the U-cross bar 14 points to the unlocking lever 38.
- the drive 40 thus moves close to the rear of the slide-in frame 24, so that the functional dimensions are maintained again and the plug 50 can be plugged directly into the rear wall of the device.
- the mounting bracket 10 and the slide-in frame 24 are, however, completely identical to the parts used in the arrangement according to FIGS. 2 to 4.
- the slide-in frame, to which the mounting bracket 10 can be attached, is only indicated by a rail 54.
- the first mounting holes in the U-legs 12 of the mounting bracket 10 are formed by rectangular recesses 56 in the present case.
- a damping element 58 is inserted into each of these recesses.
- This consists of two flanges 60, 62, the external dimension of which is greater than the length of the smaller rectangular side of the cutouts 56.
- the flanges 60 and 62 are connected to one another by a holding section 64, the external dimension of which corresponds approximately to the light dimension of the smaller rectangular side of the cutouts 56.
- the entire damping element has a central bore 66 through which a fastening screw 42 designed as a shoulder screw for connecting the mounting frame 10 to the drive 40 can be inserted and screwed into a threaded hole 43.
- the approach of the screw 42 is thus completely surrounded by the elastic material of the damping element 58 without compressing it.
- the damping element shown in FIGS. 6 and 7 can be mounted in the manner of a cable grommet, which is used to lead a cable through a wall opening, by compressing one of the flanges 60, 62 and inserting it through the recess 56.
- the compressed flange springs open again, so that the edges of the recess 56 between the two flanges 60, 62 of the damping element mentes 58 can be bordered.
- the damping element can be moved in the rectangular recesses 56 for correct positioning.
- the strip 54 has a rectangular recess 68 into which the damping element 58 fits.
- Elongated holes 70 which are assigned to the holes 20 in the mounting bracket 10 and through which the fastening screws 44 for connecting the bar 54 to the U-leg 12 can be inserted, are also formed in the bar 54. Due to the damping elements, the drive 40 and the carrier arrangement holding it can thus be decoupled with regard to the dynamic properties.
- FIGS. 8 to 10 A particularly simple solution in terms of installation of a vibration-damped connection between the mounting bracket 10 and the drive 40 is shown in FIGS. 8 to 10.
- the connection is made via fastening elements 72, one of which is shown on an enlarged scale in FIG.
- Each fastening element comprises a bolt with a head part 74 made of an elastic material, into which a rigid shaft part 76 is cast.
- a likewise elastic damping disk 78 is molded onto the head part 74.
- the elastic material merges into a conical sleeve 80 which encloses part of the shaft 76.
- the shaft part 76 of the fastening element 72 is pressed into the threaded bore 43 in the drive 40, so that the damping disk 78 bears against the wall of the drive 40, as shown in FIG. 9.
- the drive 40 provided with the fastening elements 72 is then placed between the U-legs 12 of the mounting bracket 10, the head parts 74 of the fastening elements 72 snap into the diameter of the head parts 74 adapted first holes 16 in the U-legs 12.
- the drive 40 is thus buttoned into the mounting bracket 10 as it were. Since the U-bracket is then inserted into the slide-in frame and attached to it, there is no danger that the drive 40 could become detached from the mounting bracket 10 by springing open the U-legs 12.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/380,690 US6130817A (en) | 1997-03-04 | 1998-01-23 | Holding system for electronic modules |
DE59803852T DE59803852D1 (de) | 1997-03-04 | 1998-01-23 | Trägeranordnung für elektronische baugruppen |
JP53803598A JP2001513927A (ja) | 1997-03-04 | 1998-01-23 | 電子的モジュールのための支持装置 |
EP98906839A EP0965078B1 (de) | 1997-03-04 | 1998-01-23 | Trägeranordnung für elektronische baugruppen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19708775.2 | 1997-03-04 | ||
DE19708775A DE19708775C1 (de) | 1997-03-04 | 1997-03-04 | Trägeranordnung für elektronische Baugruppen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998039704A1 true WO1998039704A1 (de) | 1998-09-11 |
Family
ID=7822195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/000212 WO1998039704A1 (de) | 1997-03-04 | 1998-01-23 | Trägeranordnung für elektronische baugruppen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6130817A (de) |
EP (1) | EP0965078B1 (de) |
JP (1) | JP2001513927A (de) |
DE (2) | DE19708775C1 (de) |
WO (1) | WO1998039704A1 (de) |
Cited By (1)
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US6719385B1 (en) * | 2000-01-14 | 2004-04-13 | International Business Machines Corporation | System for holding a device in a computer system |
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1997
- 1997-03-04 DE DE19708775A patent/DE19708775C1/de not_active Expired - Fee Related
-
1998
- 1998-01-23 JP JP53803598A patent/JP2001513927A/ja active Pending
- 1998-01-23 DE DE59803852T patent/DE59803852D1/de not_active Expired - Fee Related
- 1998-01-23 EP EP98906839A patent/EP0965078B1/de not_active Expired - Lifetime
- 1998-01-23 US US09/380,690 patent/US6130817A/en not_active Expired - Fee Related
- 1998-01-23 WO PCT/DE1998/000212 patent/WO1998039704A1/de active IP Right Grant
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Cited By (1)
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---|---|---|---|---|
US6719385B1 (en) * | 2000-01-14 | 2004-04-13 | International Business Machines Corporation | System for holding a device in a computer system |
Also Published As
Publication number | Publication date |
---|---|
DE19708775C1 (de) | 1998-07-02 |
DE59803852D1 (de) | 2002-05-23 |
JP2001513927A (ja) | 2001-09-04 |
EP0965078A1 (de) | 1999-12-22 |
US6130817A (en) | 2000-10-10 |
EP0965078B1 (de) | 2002-04-17 |
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