M421677 V. New Description: [New Technology Field] This new type is related to a kind of chassis, especially a chassis and backplane fixing components of a server. [Prior Art] - (4) The server can (4) several hard disks Or install a few hard drives with a CD-ROM drive. Since all hard disks are installed or hard disk and CD-ROM are installed at the same time, different backplanes (ie boards) are required, and the thickness of different backplanes is different.
Referring to FIGS. 1 to 3, the chassis 9 of the prior art server generally designs the position of the back plate limiting member 92 only for the thickness of a straight back plate 91, and rives the back plate limiting member 92 to the bottom wall of the chassis 9. 93, so that the backboard limiting member 92 abuts against the rear side of the backing plate 91. However, if the thicker backplane is replaced, the space of the backplane 91 may be exceeded. The thicker backplane may be caught by the backplane limiting member 92 and cannot reach the predetermined position; The back plate, the back plate limit member 92 can not reach the back plate: the function of the limit position. < Therefore, when different backplanes are used, it is necessary to use the unsuitable chassis, and the helmet method uses the original chassis to set different back & that is, if the backplane needs to be purchased, it corresponds to the backplane. The chassis, while the mountains are different [new content] umbrella fork out. Therefore, one of the dimensions of the present invention is the problem of the thickness of the backplane for the board-mounted chassis. The 'supplied' can be applied to different types to solve the existing chassis can only be applied to one of the 3 M421677. Another purpose of the present invention is to provide a kind of installation in the chassis, which can be installed according to different thickness of the backboard to be mounted. Board fixed backplane mounting assembly. Yu Yu's new chassis includes a housing and a plurality of backplane fixing components. The housing includes a bottom wall and the bottom wall has a backing plate. A plurality of backboard fixing components are arranged at intervals along the bottom wall of the casing, and adjacent backboards are disposed at positions, and each of the backboard fixing components comprises: a limiting member and a locking member. The limiting member includes a base wall, a mounting portion, a first abutting wall, and a second abutting wall. The mounting portion is disposed on the base wall and has a through hole extending through the base wall. The first abutment wall and the second abutment wall respectively extend from the base wall. The first abutting wall has a first abutting surface of the vertical bottom wall, the second abutting wall has a second abutting surface of the vertical bottom wall and the distance of the first abutting surface from the center of the perforation is greater than the second abutment The distance from the face to the center of the perforation is either set to a position along the first abutment surface toward the back plate or a second abutment surface toward the back plate depending on the thickness of the back plate disposed at the back plate setting position. The locking member is provided in the *. And the retaining member is reassemblably fixed to the bottom wall of the casing by perforation. The distance between the first abutting surface and the center of the perforation refers to the distance between the first abutting surface and a plane passing through the center of the perforation and parallel to the first sounding product, and the second abutting surface is The distance from the center of the perforation refers to the distance between the second abutment surface and a plane passing through the center of the perforation and parallel to the second abutment surface. Preferably, the limiting member further comprises two opposite side walls which are respectively bent downward by the base wall. Preferably, the limiting member further includes two limiting portions, and each of the limiting portions protrudes downward from a portion of the bottom edge of each of the side walls of the 4 M421677. Corresponding to the card slot of each limit portion of the valley. Preferably, the first abutting wall and the first respectively extend from the base wall to the lower portion. The bottom wall of the housing also has a plurality of two abutting walls on opposite sides, and
: The new effect 'This new type of chassis is suitable for installing two different thicknesses of pure, according to the thickness of the backing plate to be assembled to assemble the limiting member, you can choose to set the position with the first abutting surface toward the backing plate or with the second abutting When facing the board, when replacing the back board, 'removing the locking member, the first abutting surface of the conversion limiting member and the mounting direction of the second abutting surface reassemble the p-position member to correspond to the corresponding back The board can be used, and the locking member can be manually disassembled by hand screws, which is convenient for re-removing (4) limit members. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments.
Before the present invention is described in detail, it is to be noted that in the following description, similar elements are denoted by the same reference numerals. Referring to Figures 4 to 5', a preferred embodiment of the present invention is suitable for a server. The chassis 1 includes a housing 2 and a plurality of backplane mounting assemblies 3. The housing 2' includes a bottom wall 21, and the bottom wall 21 has a back plate setting position 211'. The back plate setting position 211 is located on the rear side of the hard disk holder 22. A plurality of backing plate fixing members 3 are arranged at intervals from each other at the bottom wall 21' of the casing 2 and adjacent to the backing plate setting position 2''. Each of the backboard fixing components 3 includes a limiting member 4 and a locking member 5. 5 M421677 Referring to FIGS. 5-8, the limiting member 4 includes a base wall 41, a mounting portion 42, a first abutting wall 43, a second abutting wall 44, two side walls 45, and a second limit Deng 46. The mounting portion 42 is provided on the base wall 41 and has a through hole 421 penetrating through the base wall 41. The first abutting wall 43 and the second abutting wall 44 are respectively bent downwardly from the base wall 41 and are located on opposite sides. The first abutting wall 43 has a first abutting surface 431 of a vertical bottom wall 21, The abutting wall 44 has a second abutting surface 441 ′ of the vertical bottom wall 21 , and the distance L1 between the first abutting surface 431 and the center of the through hole 421 is greater than the distance L2 between the second abutting surface 441 and the center of the through hole 421 . In the embodiment, the distance L1 between the first abutting surface 431 and the center of the through hole 421 is 21.19 mm, and is used for the first back plate 81 (see FIG. 8) having a thickness of 2_57 mm, and the distance between the second abutting surface 441 and the center of the through hole 421. The L2 is 20.33 mm, and is used to match the second backing plate 82 having a thickness of 3.43 mm (see FIG. 1A). In other words, the distance L1 between the first abutting surface 431 and the center of the through hole 421 is large, that is, the thickness is thin. The first backing plate 81 has a smaller distance L2 from the center of the second abutting surface 441 and the through hole 421, that is, the second backing plate 82 having a thicker thickness. According to the thickness of a backing plate (the first backing plate 81 or the second backing plate 82) disposed at the backing plate setting position 211, the first abutting surface 431 is selectively disposed toward the backing plate at the position 211' or the second abutting The surface 44 丨 faces the back plate to set the position 2丨丨. That is, as shown in FIG. 5 and FIG. 8 , when the first back plate 81 is disposed, the first abutting surface 431 is disposed toward the back plate, and the first abutting surface 431 is pressed against the first back plate 81. As shown in FIG. 9 and FIG. 1A, when the second backing plate 82 is disposed, the second abutting surface 441 is disposed at a position 211 toward the backing plate, and the second abutting surface 441 is abutted against the second backing plate. 82 rear side. Referring to FIG. 5 and FIG. 6 , the two side walls 45 are respectively bent downwardly from opposite sides 6 of the base wall 41 , and the limiting portions 46 are respectively protruded downward from the bottom edges of the side walls 45 , in this embodiment. The limiting portion 46 is defined by the side wall 45. The middle portion of the two edges protrudes downward, and of course, the bottom edge of each side wall 45 is convex: = 46 can be plural. The bottom wall 21 of the casing 2 also has a plurality of card slots 24 corresponding to the respective limit portions 46 of the valleys. The locking member 5 is disposed on the mounting portion 421. In the present embodiment, the locking member 5 is a manual screw (with a tool-assisted 'hand-rotatable screw), and the anti-shock portion 42 is a partial base wall 41 surrounding the through hole 421, the lock The solid member $ has a head 51 and a thread 52 connected to the head 51 at the bottom wall 21 of the housing 2.
The hollow fixing post 23 is provided with the screw 52, and the screw Μ passes through the through hole 421 of the Anshang part U and the fixed branch 23 discs mixed field ~ μ 疋 2:5 screw lock, and the head 51 of the locking member 5 is The mounting portion 42 is disposed with the fixing post 23#(4), so that the limiting member 4 is fixed to the bottom wall 21 of the casing 2, and is clamped to the bottom wall by the limiting portion 46 on the opposite sides. The card slot 24 of the 21 can prevent the limiting member 4 from rotating about the fixed column 23. If the second backing plate a is to be replaced, 'only the locking member 5 is loosened' and then the limiting member 4 is rotated 18 The twist, as shown in FIG. 9 'relocks the locking member 5, and the retaining member is reassembled and fixed to the bottom wall 21 of the casing 2. In this embodiment, the locking member is a manual screw, · '糸 can be disassembled by hand to facilitate reassembly of the limiting member 4, but the locking member 5 is not limited to manual screws. Other known screws can also be applied. ... When the limiting member 4 is described above, the center of the perforation 421 is used. The distance between the first conviction surface 431 and the second abutment surface 441 is defined as a reference because the stopper member 4 is passed through the perforation 421 by the locking member 5. The screw lock is fixed on the housing 2 - the back plate limiting member; FIG. 3 is the _ a positional relationship. The cross-sectional view illustrates the back plate limiting member and a back plate surface. 5; an enlarged view of a partial area in FIG. 4, illustrating a back plate fixing assembly of the preferred embodiment; FIG. 6 is an exploded perspective view showing the assembled relationship of the back plate; FIG. FIG. 8 is a partial cross-sectional view showing the positional relationship between the backboard fixing component and a first backing plate; 疋 similar to the view of FIG. 5, illustrating the limitation of the backing plate fixing component Figure 10 is a partial cross-sectional view showing the positional relationship between the back plate fixing assembly and a second back plate. 〃 M421677 [Main component symbol description] 1...... .... Chassis 431... 2...... .... Housing 44••... •...Second abutment wall 21••...·Bottom wall 441... ...'Second abutment surface 211... •...Backplane setting position 45·..... · Side wall 22··..·•...hard disk holder 46·...· Part 23 •...Fixed post 5... •...Locking member 24·...· ----- Groove 51 ...··Head 3... •...Backplane fixing assembly 52··... •... Screw 4... •...Restriction member 81 •...· •...% plate 41•...·Base wall 82••... •...Second back plate 42 •...Installation part L1...·•...distance 421... Perforation L2 ···· •...distance 43•....·first abutment wall