CN1235294A - Front removable accessory-mount structure for personal computer chassis - Google Patents

Abstract

A computer case (12) having a removable accessory support structure (18), or drive box, slidably removable from the front (16) of a system (10). The front access removable drive case (18) has ground points (70, 78) which interact with corresponding ground points on the computer chassis and vice versa. For the purposes of decoration and practical installation, a glass frame (30) can be connected in front of the drive box (18). The drive case includes mounting rails (40) which slidably interact with guide rails (44) on the computer case (12), to facilitate sliding and prevent detrimental wear, a nylon or similar non-metallic core is used between the sliding rails sticks (50). The pins (56) are used to secure the drive box (18) in its installed position within the computer case, either manually or automatically.

Description

The front removable accessory-mount structure that is used for PC chassis

The present invention relates to be used for the front removable of PC chassis and pylon equipment, install bin slidably.Can lay for example utility appliance of disc driver, CD-ROM, DVD and so in the install bin.Utility appliance can be more closely installed in the slidably engagement of install bin and cabinet, also can easily remove install bin, therefore is convenient to contact other parts in the cabinet.

More and more crowded along with office and family's work space, the size design of personal computer (PC) casing and pylon gets more effectively utilizes the space.These less designs have formed computing machine case more closely, but along with the cabinet size continue reduce, their internal interface thixotropings get more is a problem.Equally, the parts of assembling and installation difference in functionality are also difficult more.For any CyberSpace, can touch critical piece, for example mainboard is very important and needn't dismantle or disturb main subassembly and intrasystem connection device.

The attempt of prior art scheme provides the cabinet that reduces volume, but still continues to provide the contact to internal part.A kind of this scheme comprises motherboard design to the computing machine that can remove on the flat board.This makes and can contact mainboard parts and connector by remove mainboard from PC.This design has several following shortcomings that are not limited to: be difficult to remove mainboard and do not remove I/O (I/O) card; Be difficult to install cable; Difficulty and ground connection and suppress electromagnetic interference (EMI) expensively; More complicated and the packaging technology that prolongs and higher assembly cost.

Another kind of scheme comprises having the driving box that can remove inside or the PC case of a plurality of casees.This driving box requires mounting bracket, wherein comes to remove one or more drivers from PC by removing many group screws.Require to have living space because support and/or case slide in cabinet, this scheme requires relatively large size calculation machine.This system will remove many cables when the user removes driver for the parts upgrading.

Therefore, need a kind of scheme that less relatively PC volume is provided, but can keep and the easy connectedness of internal part.It is cheap that this scheme is also wanted, but can strengthen the ground connection and/or the EMI shielding of master unit.And the operation of contact shell inside should be soon and easy, remove simultaneously or parts at the same level or stube cable between interference very little (or not having).

The described front that the present invention includes enters and can remove driving box, and it slides and is installed in the PC case again.This structure makes the little pylon PC based on for example ATX standard can design relatively less than the scheme that provides previously.The mainboard of ATX standard has processor and storer, its be placed in a kind of with assembling with keep the position that contact them on, hard drive is placed on before the mainboard, so the bigger cabinet size of formation.The design is installed in the cabinet mainboard, and driver is slidably mounted in before the mainboard.When driving the contact channels covered processor and storer effectively, fasten by drawing back the lock that supports case, obstruction just can easily be removed in the front that case is skidded off the PC volume forward then.Nonmetal and Metal Contact face more helps slide.

The front enters can be removed driving box and make and to reduce the easier assembling of size calculation machine.In the packaging technology process,, can be the installation mainboard by removing the drive installation structure, 1/0 card, cable and power supply provide sufficient path.

In addition, the front enters can be removed driving box and make skilled user upgrade at parts, contacts mainboard during with cache memory as LPU, storer.If do not have to remove driving box, on having, may contact scalable component socket hardly according to size calculation of the present invention.

And, critical component, mainboard for example still can be fixedly connected to whole cabinet and needn't remove.This has guaranteed the ground connection of parts, reduces to hinder the PC and the EMI signal of instrument characteristic on every side then.Relatively, do not need to remove the ground connection of costliness partly.

From making advantage of the present invention more obvious below in conjunction with diagram of the present invention and example, some embodiment and the explanation done with reference to the accompanying drawings.Accompanying drawing constitutes the part of instructions, and comprises embodiment for example of the present invention, purpose and feature.

Fig. 1 represents the back skeleton view of the little pylon cabinet of computing machine that driving box has slidably partly been removed.

Fig. 2 represents the front skeleton view of the little pylon cabinet of computing machine that driving box has slidably partly been removed.

Fig. 3 represents to remove back, the end skeleton view of the little tower cabinet of computing machine that driving box removed.

The invention process can be removed annex and install, driving box for example, and it is slidably mounted in the whole cabinet of personal computer.The slip geared assembly provides and has been easy to install with reducing of removing contacting of friction.Contact point a plurality of stretchings or that remove provides sufficient EMI ground connection for mainframe box, and does not need expensive or special ground connection contact.In a word, these characteristics provide the less relatively little pylon computer organization that is easier to keep in repair.

Fig. 1 represents the back skeleton view of the chassis unit 10 that forms.Mainframe box framework 12 comprises and is used for receiving the inner space 14 that the various parts that contain work PC system are installed.Framework 12 comprises front 16, and it has one to be used for sliding and to lay attachment erection structure 18, also is considered to driving box.This front enters can be removed driving box and can typically be made by the thick cold-rolled steel sheet of 1mm.Its also typically moulding also have 51/4 inch hard disk drive and 31/2 inch floppy disk so that 3 51/4 inch overall height computer-aided equipments to be installed.Other driver, 31/2 inch hard disk drive for example, the available adapters support is installed (not shown).These equipment can be placed in the inside 20 of driving box 18 regularly, and fix by mounting hole 22 and mounting guide rail 24.

The front perspective view of the cabinet 10 that Fig. 2 presentation graphs 1 forms.Driving box 18 has an ornamental glass frame 30 of installing previously, and it typically is made of plastics.By the hole 32 that forms on the front 16 of chassis frame 12 driving box 18 is installed slidably.View also shows and is used at driving box 18 mounting hole 22 and the guide rail 24 of utility appliance being installed.Glass frame 30 can comprise and is used for 18 the elasticity snappers that are connected usually of glass frame 30 and driving box or the contact pin of interlocking.In case install, glass frame 30 becomes the ornamental front surface of drawer type driving box 18.Glass frame 30 and driving box 18 also comprise the fixture 34 that is used to be connected ornamental inserts glass frame (not shown) (for example slit, contact pin or similarly thing), and ornamental inserts glass frame can use when covering no embedding slit.

Back, the end skeleton view of Fig. 1 that Fig. 3 has represented to dismantle and the chassis unit 10 of Fig. 2.Driving box 18 all shifts out from chassis frame 12 by front mounting hole 32.Refer again to Fig. 1, driving box 18 has attachment rail 40 along its upper surface 42, and it is typically made by sheet metal.Inside 14 upper surfaces 46 along chassis frame 12 form one group of corresponding orbit of guide rail 44.In this most preferred embodiment, these tracks 44 are made by sheet metal equally.U type nylon plug or group pipe 50 insert in the length of each track 44, and these nylon plugs prevent that the metal of slipper from contacting with intermetallic.Selectively, track 40 and/or 44 can be made by above-mentioned nylon or materials similar.Metal provides following advantage at least with nonmetallic the contact as a result: reduced the coefficient of friction between the orbit of guide rail 44 of the attachment rail 40 of driving box 18 and cabinet 12; Prevented because the slip of contact portion forms the metal fillings end; The metal that has reduced between the slidingsurface is oxidized.

Each all has reception hook or the otch 52 that is formed in the rail material aft section of driving box track 40.These receive hook 52 and interact with pair of locking pin that stretches out from locking bar latch 56 or hook 54.End at locking bar latch 56 forms handle 60.Latch is a slipper, and it is by two screw clampings with brass shoulder shape screw reducer coupling in this most preferred embodiment.Screw passes slot in the locking bar and stretches out.By small coil springs or similarly thing (not shown) latch 56 entered latched position by biasing.Pull handle 60 by top pressure spring, latch 56 is not offset to non-locked position.In case driving box 18 is installed in the cabinet 12, latch 56 is maintained at latched position by supporting latch 56 and case 18 to install in the lock screw of correct position or other kind.

With reference to figure 1～3, on the sheet metal in hole 32, forming a plurality of elasticity or flexible tab 70 again.This contact pin comprises the projection 72 towards inside.Should projection 72 when driving box 18 is slidingly mounted in the cabinet 12 interact with the side of driving box 18 or contact.The upper surface 42 of driving box 18 also comprises having projection 80 identical contact pin 78, and projection 80 contacts with the upper surface 46 of cabinet 12.Provide and the contacting of the upper surface 42 of driving box 18 to the contact pin 82 of lower convexity on the surface 46.Driving box 18 and the ground connection of chassis frame 12 and fixing of inner mounting portion thereof also are convenient in this interaction contact pin and surface.

Therefore, remove from cabinet 12 or part skids off driving box 18, the user must remove lock screw, draws locking bar latch knob 60, and removes driving box assembly 18 forward by hole 32.Driving box may comprise that brake baffle removes forward in a suitable position to stop it, removes or install internal part for the enough passages of user.In addition, friction will be enough to keep the position of driving box.The result of this configuration is that the driver that is mounted can fast and easily be removed forward to front installing component on mainboard provides passage, and mainboard typically is connected to inner 14 side surface 84.This layout need not to remove mainboard or other mounted internal part.Equally, if need then also can divide 1/0 card and the cable that be arranged.

After this will reinstall driving box, then the user only needs case is pushed cabinet 12.Contact pin and projection 70,72 be ground connection again easily, and this helps to reduce to greatest extent the EMI between parts then.Latch 56 also can be configured to make driving box 18 automatically embed latched position, and when inserting case 18, apsacline hook 54 makes latch 56 move on to non-locked position.When case 18 inserts fully and latch bar 56 is equipped with spring when embedding fully latch bar 56 sends " click is taken " reaction sound that can hear.Lock screw or other this kind device reset then, thereby driving box 18 is fixed in the cabinet 12.

Owing to driver is unique parts of removing for the purpose of inner passage in the computing machine, the less cable of a dislocation in the implementation of utilizing the present invention to dispose.Comprise that can remove the dull and stereotyped and inner existing design that can remove the driving box assembly of mainboard very may upset cable and card connection.And it is higher to set up the more difficult cost of EMI ground connection again.

Must understand that when structures more of the present invention had been described, it was not limited to describe and illustrate the special construction or the layout of part herein.Clearly, do not leave scope of the present invention to those skilled in the art and can make many modifications, and the present invention is not limited to shown in accompanying drawing and the explanation.

Claims (12)

1. A support case (10) for a personal computer comprising: a main support structure (12) having a front surface (16) with mounting holes (32), and an interior surface (20) for mountably receiving computer components; an accessory support structure (18) for mountably receiving computer components, the accessory support structure (18) being slidably mounted through mounting holes (32) in the surface (16) of the main support structure (12); Wherein the accessory support structure (18) can be slid into the mounting hole (32), or removed through the mounting hole to facilitate assembly of the personal computer and access to computer components mounted in the interior surface (20). 2. The support chassis of claim 1, wherein the accessory support structure (18) includes a set of mounting rails (40), the main support structure (12) includes a set of corresponding guide rails (44), the mounting rails (40) and the guide rails (44) ) chimerism. 3. The support cabinet of claim 2, wherein the mounting rail (40) slides into the guide rail (44). 4. The support cabinet of claim 3, further comprising a non-metallic tube assembly (50) inserted into the rail track (44), wherein the mounting rail (40) slides along the tube tube (50). 5. The supporting chassis of claim 2, wherein the mounting rail (40) and the guide rail (44) are respectively constructed of different materials to reduce friction therebetween. 6. The support chassis of claim 5, wherein the mounting rail (40) is composed of metal and the guide rail (44) is composed of non-metal. 7. The support chassis of claim 1, wherein the main support structure (12) includes a first set (70) of electrical ground contacts and the accessory support structure (18) includes a second set (78) of electrical ground contacts, when the accessory support structure (18 ) when installed in the main support structure (12), the first group (70) is fitted with at least one surface of the accessory support structure (18), and the second group (78) is fitted with at least one surface of the main support structure (12) combine. 8. The support chassis of claim 7, wherein the first and second sets (70,78) of electrical contacts include protrusions (72) that facilitate fixed contact with the contact surfaces. 9. The support chassis of claim 1, wherein the main support structure (12) includes latches (56) that engage and hold the accessory support structure (18) in its mounted position. 10. The support chassis of claim 9, wherein the latch (56) includes a locking bar (56) that slidably engages the accessory support structure (18) and is biased into the locked position by an attachment spring. 11. 9. The support chassis of claim 9, wherein the latches (56) automatically engage when the accessory support structure (18) is moved toward its mounting position. 12. A support case for a personal computer comprising: a main chassis (12) having a front surface (16) with mounting holes (32) and an interior surface (20) for mountably receiving computer components; A drive case (18) for mountably housing computer components, supported by attachment of metal and non-metal contacts (40,44,50) through mounting holes (32) in the front surface (16) of the main support structure (12) the structure (18) is slidably mounted; a plurality of ground contacts (70, 78) which ground the mounted drive box fixedly to the main box; Decoupling latch (56), which fixes the installed drive box in the main box; Wherein the drive case (18) is slidably placed in the mounting hole (32) and removed through the mounting hole (32) to facilitate assembly of the personal computer and access to computer components mounted in the interior surface (20).

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