TWI718961B - Server chassis and fastening assembly thereof - Google Patents

Abstract

A server chassis is configured to detachably fasten a PCB, and the server chassis includes a case, an expansion frame, and a fastening assembly. The fastening assembly includes a slidable member, a guiding member, a movable pin, and a fastening pin. The guiding member is disposed through a groove of the slidable member and fixed to the case. The movable pin is movably disposed through the slidable member. When the slidable member is located at a fastening position, the movable pin is able to move between an inserting position and a pull-out position. The fastening pin is fixed on the slidable member. When the movable pin is located at the inserting position, the movable pin is disposed through the slidable member and a through hole of the case, such that the slidable member is positioned at the fastening position, and the fastening pin is configured to be disposed through a penetrating hole of the PCB and a fixing hole of the expansion frame. When the movable pin is located at the pull-out position, the movable pin is pulled out of the through hole of the case, such that the slidable member is able to slide to a releasing position, and the fastening pin is movable relative to the expansion frame.

Description

Server case and its fixing components

The present invention relates to a server casing and a fixing component thereof, in particular to a fixing component that can facilitate the disassembly and assembly of a circuit board from the casing and a server casing containing the same.

With the advent of the Internet generation, various technological developments and equipment development related to web servers have also flourished. Among them, the structural improvement of the server chassis is also a development project that is currently highly valued.

In the server chassis, in order to achieve the most effective use of space, manufacturers are all concentrating on the best accommodating method of the internal modules of the server, and in order to accommodate more unit modules in the server, the components in the server are usually Set in the cabinet in a tight manner. Generally speaking, the components in the server are mostly fixed by screws. However, when some components in the server are required to be removed, replaced, repaired and assembled, due to space constraints, the screws at the corners are difficult to penetrate Unscrew or lock with external tools such as a screwdriver, and there is a possibility of losing the screw during the disassembly and assembly process. Therefore, it causes trouble for maintenance or assembly personnel.

The present invention is to provide a server casing and a fixing component, so as to solve the problem that the screws located at the corners of the components in the server in the prior art are difficult to be unscrewed or locked by external tools such as a screwdriver, and there are some problems in the process of disassembly and assembly. Possible problems with missing screws.

The server case disclosed in an embodiment of the present invention is used to detachably fix a circuit board. The server case includes a shell, an expansion frame, and a fixing component. The housing has a through hole. The expansion frame is fixed to the shell and has a fixing hole. The fixing assembly includes a sliding part, at least one guiding part, a movable plug and a fixing pin. The sliding member has a sliding groove. The at least one guiding member penetrates through the sliding groove and is fixed to the housing, so that the sliding member can slide between a release position and a fixed position relative to the at least one guiding member. The movable bolt can movably pass through the sliding part. When the sliding member is located at the fixed position, the movable bolt can move between a passing position and a drawing position. The fixing pin is fixed to the sliding part. When the movable plug is in the penetration position, the movable plug penetrates the sliding member and penetrates the through hole of the housing, so that the sliding member is positioned at a fixed position, and the fixed pin is used to penetrate a through hole of the circuit board and fix the expansion frame hole. When the movable bolt is in the withdrawn position, the movable bolt leaves the through hole of the housing, so that the sliding member can slide between the released position and the fixed position, and the fixed pin can move relative to the expansion frame.

The fixing component disclosed in another embodiment of the present invention is used to be disposed in a shell of a server case and used to detachably fix a circuit board to the shell. The fixing assembly includes a sliding part, at least one guiding part, a movable plug and a fixing pin. The sliding member has a sliding groove. The at least one guiding member penetrates through the sliding groove and is used for fixing to the housing, so that the sliding member can slide between a release position and a fixed position relative to the at least one guiding member. The movable bolt can movably pass through the sliding part. When the sliding member is located at the fixed position, the movable bolt can move between a passing position and a drawing position. The fixing pin is fixed to the sliding part. When the movable plug is located at the penetration position, the movable plug penetrates the sliding member and is used to penetrate a through hole of the housing, so that the sliding member is positioned at a fixed position, and the fixed pin is used to penetrate the circuit board and the housing. When the movable plug is in the withdrawn position, the movable plug leaves the through hole of the housing, so that the sliding member can slide between the released position and the fixed position, and the fixed pin can move relative to the circuit board.

According to the server casing and its fixing components disclosed in the above embodiments, the through holes of the circuit board adjacent to the casing are fixed to the casing or the expansion rack through the fixing pins of the fixing components, so that when the user has to remove the circuit board When required, the fixed pin can be easily removed from the through hole of the circuit board by moving the sliding part, which avoids the problem that the screws at the corners of the conventional circuit board are difficult to unscrew with a screwdriver, and can further avoid There may be a problem of missing screws during disassembly and assembly.

The above description of the content of the present invention and the description of the following embodiments are used to demonstrate and explain the principle of the present invention and provide a further explanation of the scope of the patent application of the present invention.

The following describes the detailed features and advantages of the embodiments of the present invention in detail in the implementation manners, and the content is sufficient to enable anyone with ordinary knowledge in the art to understand the technical content of the embodiments of the present invention and implement them accordingly, and is disclosed in accordance with this specification. With the content, scope of patent application and drawings, anyone with ordinary knowledge in the field can easily understand the related purposes and advantages of the present invention. The following examples further illustrate the viewpoints of the present invention in detail, but do not limit the scope of the present invention by any viewpoint.

Please refer to FIGS. 1 to 4. FIG. 1 is a three-dimensional schematic diagram of a server casing and a circuit board according to an embodiment of the present invention, FIG. 2 is a partial enlarged and exploded schematic diagram of FIG. 1, and FIG. 3 is a partial view of FIG. An enlarged schematic diagram, and FIG. 4 is a schematic diagram of the sliding member of FIG. 1 in a release position.

The server casing 9 of this embodiment is used to detachably fix a circuit board 8. Wherein, the server housing 9 includes a housing 7, an expansion frame 6 and a fixing assembly 1.

The housing 7 has a through hole 71 and two riveting holes 73. The expansion frame 6 is fixed to the housing 7, and the expansion frame 6 has a fixing hole 61, a plurality of screw holes 63 and a hook 65. In this embodiment, the expansion rack 6 is a hard disk expansion rack, and the circuit board 8 is a hard disk backplane. However, the present invention is not limited to this. In other embodiments, the expansion rack may be an assembly rack of other modules equipped in the server, and the circuit board may be a backplane corresponding to the module.

The fixing assembly 1 includes a sliding part 11, two guiding parts 13, a movable plug 15 and a fixing pin 17.

The sliding member 11 has a sliding groove 110 and includes a first plate 111 and a second plate 112. The second plate 112 is connected to one side of the first plate 111, and the first plate 111 and the second plate The pieces 112 are not parallel to each other. Wherein, the sliding groove 110 is located on the first plate 111. In this embodiment, the sliding member 11 is a metal plate member. However, the present invention is not limited thereto. In other embodiments, the sliding member may be made of plastic material, for example.

Each guide 13 includes a head 131, a neck 133 and a fixing part 135. The outer diameter B1 of the head 131 is larger than the width W1 of the sliding groove 110, the outer diameter B2 of the neck 133 is smaller than the width W1 of the sliding groove 110, and the fixing portion 135 is riveted and fixed to the riveting hole 73 of the housing 7. As shown in FIG. 3, the neck 133 penetrates through the sliding groove 110, so that the sliding member 11 can slide relative to the guiding member 13 between a release position (FIG. 4) and a fixed position (FIG. 3).

In this embodiment, the number of guides is two, but the present invention is not limited to the number of guides. In other embodiments, the number of the guide member may be one, and the neck of the guide member may be, for example, a strip extending in a direction parallel to the center line of the two riveting holes 73 in FIG. 2 and having a length smaller than that of the sliding groove. Shape, so as to be able to guide the sliding member to move along the direction of the connecting center line.

In this embodiment, the guiding member 13 is composed of screws and studs, but the present invention is not limited to this. In other embodiments, the guide can be actually designed as required, such as a plug or bolt with different outer diameters of the head and neck features.

The movable bolt 15 can movably pass through the sliding member 11. Please refer to FIGS. 5 and 6. FIG. 5 is a partial top view diagram of the fixing assembly and the housing of FIG. 1, and FIG. 6 is a top view diagram of the handle portion of FIG. 1 in a pulled-out position. The movable plug 15 includes a connecting portion 151, a plug portion 153, a handle portion 155 and a tension spring 157. The connecting portion 151 is fixed to the first plate 111 of the sliding member 11. The plug portion 153 penetrates the connecting portion 151 and one end of the plug portion 153 is pivotally connected to the handle portion 155. The extension spring 157 is sleeved on the latch part 153, and one end of the extension spring 157 is fixed to the latch part 153 and the other end is fixed to the connecting part 151. The handle portion 155 can pivot relative to the connecting portion 151 between a buckling position (as shown in FIG. 5) and a pull-out position (as shown in FIG. 6). The structural features of the movable bolt 15 in this embodiment are only examples, and they are not intended to limit the present invention. In other embodiments, the bolt part that uses a compression spring to position the movable bolt can be used according to actual design requirements.

The fixing pin 17 includes a wide portion 171 and a narrow portion 172 connected to each other. The wide portion 171 is fixed to the second plate 112 of the sliding member 11, and the narrow portion 172 is farther away from the second plate 112 than the wide portion 171. The outer diameter of the wide portion 171 is larger than the diameter of the through hole 81 of the circuit board 8, and the outer diameter of the narrow portion 172 is smaller than the diameter of the through hole 81 of the circuit board 8. Wherein, the length L1 of the wide portion 171 is greater than the length L2 of the hook 65 protruding from the circuit board 8, so as to prevent the fixing pin 17 from passing through the through hole 81 of the circuit board 8 and the fixing hole 61 of the expansion frame 6 from sliding parts The second plate 112 of 11 may collide with the hook 65 and cause damage to the hook 65.

As shown in Figures 1 and 2, the circuit board 8 is secured to the screw hole 63 of the expansion frame 6 through a plurality of screws 5 through its through holes 82, and the circuit board 8 is adjacent to the through hole 81 of the housing 7 through the present embodiment In the example, the fixing pin 17 of the fixing assembly 1 penetrates and is fixed to the fixing hole 61 of the expansion frame 6. In this way, when the user needs to remove the circuit board 8, the fixing pin 17 can be easily removed from the through hole 81 of the circuit board 8, avoiding the problem that the screws at the corners are difficult to unscrew with a screwdriver. , Thus avoiding the need to remove the expansion frame 6 together, and avoiding the possibility of missing screws in the process of disassembly and assembly.

In detail, please refer to Figures 3 to 6. When the user wants to remove the circuit board 8 from the server case 9 separately, first move the handle 155 of the movable latch 15 from the buckle position along the D1 direction ( Figure 5) pivot to the drawn position (Figure 6), so that the pin portion 153 is away from the through hole 71 of the housing 7, and the movable pin 15 is located at a drawn position (Figure 6). Then, the sliding member 11 can be moved from the fixed position (as shown in FIG. 3) to the released position (as shown in FIG. 4) along the D2 direction, so that the fixed pin 17 can leave the through hole 81 of the circuit board 8. Then, after unscrewing the screws 5 on the circuit board 8 one by one, move the circuit board 8 in the D3 direction so that the lower edge of the engaging hole 80 of the circuit board 8 abuts against the hook 65 of the expansion frame 6, and then Move the circuit board 8 in the direction D2 to disengage the engaging hole 80 from the hook 65, so that the circuit board 8 can be detached from the server casing 9 separately.

In contrast, when the user wants to assemble the circuit board 8 back into the server case 9 after repairing or replacing the circuit board 8, first move the circuit board 8 in the direction opposite to D2 so that the engaging hole 80 passes through the expansion frame. 6 to the hook 65, and then move the circuit board 8 in the direction opposite to D3 so that the engaging hole 80 is engaged with the hook 65, so that the through holes 81 and 82 of the circuit board 8 can correspond to the fixing holes 61 and 61 of the expansion frame 6, respectively The screw hole 63, in this way, the screw 5 can be inserted through the through hole 82 of the circuit board 8 and locked to the screw hole 63 of the expansion frame 6. Next, move the slider 11 in the direction opposite to D2 from the release position (as shown in Figure 4) to the fixed position (as shown in Figure 3), so that the fixing pin 17 penetrates the through hole 81 of the circuit board 8 and the fixing hole 61 of the expansion frame 6. Then pivot the handle portion 155 of the movable latch 15 from the pulled-out position (as shown in FIG. 6) to the buckle position (as shown in FIG. 5) to drive the latch portion 153 to move toward the first plate 111 of the sliding member 11 and pass through In the through hole 71 of the housing 7, the movable plug 15 is located at a through position (as shown in FIG. 5), so that the sliding member 11 is positioned at a fixed position.

According to the server casing and its fixing component of the above embodiment, the through hole of the circuit board adjacent to the casing is fixed to the fixing hole of the expansion rack through the fixing pin of the fixing component, so that when the user needs to remove the circuit board , The fixed pin can be easily removed from the through hole of the circuit board by moving the slider, avoiding the problem that the screws at the corners of the conventional circuit board are difficult to unscrew with a screwdriver, thereby avoiding the removal of the circuit board If the expansion frame needs to be removed together, it can further avoid the problem of missing screws during the process of disassembly and assembly.

Although the present invention is disclosed in the foregoing preferred embodiments as above, it is not intended to limit the present invention. Anyone familiar with similar art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of patent protection for inventions shall be determined by the scope of patent applications attached to this specification.

9: server chassis 8: Circuit board 80: snap hole 81, 82: Through hole 7: Shell 71: Through hole 73: riveting hole 6: Expansion rack 61: fixed hole 63: screw hole 65: card hook 5: Screw 1: fixed components 11: Slider 110: Chute 111: The first board 112: The second plate 13: guide 131: Head 133: Neck 135: Fixed part 15: Movable bolt 151: Connection 153: Bolt Department 155: Handle 157: Extension spring 17: fixed pin 171: wide part 172: Narrow part B1: The outer diameter of the head B2: The outer diameter of the neck W1: width of the chute L1: The length of the wide part L2: The length of the hook protruding from the circuit board

FIG. 1 is a three-dimensional schematic diagram of a server casing and a circuit board according to an embodiment of the present invention. Fig. 2 is a partial enlarged and exploded schematic diagram of Fig. 1. Fig. 3 is a partial enlarged schematic diagram of Fig. 1. Fig. 4 is a schematic diagram of the sliding member of Fig. 1 in a release position. Fig. 5 is a partial top view schematic diagram of the fixing assembly and the housing of Fig. 1. Fig. 6 is a schematic top view of the handle part of Fig. 1 in a pulled-out position.

9: server chassis

8: Circuit board

7: Shell

6: Expansion rack

5: Screw

1: fixed components

Claims (10)

A server case is used to detachably fix a circuit board, the server case includes: A housing with a through hole; an expansion frame fixed to the housing, and the expansion frame has a fixing hole; and a fixing assembly including: a sliding member with a sliding groove; At least one guiding member, passing through the sliding groove and being fixed to the housing, so that the sliding member can slide between a release position and a fixed position relative to the at least one guiding member; A movable bolt can movably pass through the sliding member, and when the sliding member is located at the fixed position, the movable bolt can move between a passing position and a drawing position; and A fixing pin, fixed to the sliding piece; Wherein, when the movable plug is located at the penetration position, the movable plug penetrates the sliding member and penetrates the through hole of the housing, so that the sliding member is positioned at the fixed position, and the fixed pin is used for penetration In a through hole of the circuit board and the fixing hole of the expansion rack; when the movable plug is in the withdrawn position, the movable plug leaves the through hole of the housing, so that the sliding member can be in the release position and the fixed position Slide between them, and make the fixing pin move relative to the expansion frame. The server casing of claim 1, wherein the number of the at least one guide is two, and each guide includes a head, a neck, and a fixing part, and the outer diameter of the head is larger than A width of the sliding groove, an outer diameter of the neck is smaller than the width of the sliding groove, and the fixing part is fixed to the housing. The server case of claim 1, wherein the movable plug includes a connecting portion, a pin portion, a handle portion, and a tension spring, the connecting portion is fixed to the sliding member, and the pin portion penetrates the connecting portion And one end of the pin portion is pivotally connected to the handle portion, the extension spring is sleeved on the pin portion, one end of the extension spring is fixed to the pin portion and the other end is fixed to the connecting portion, the handle portion can be opposite to the The connecting portion pivots between a pulled-out position and a buckle position. When the handle portion pivots from the pulled-out position to the buckle position, the handle portion drives the latch portion to move in the direction of the sliding member. The through hole pierced through the shell makes the movable bolt located at the pierced position. The server enclosure of claim 1, wherein the sliding member is a metal plate, the sliding member includes a first plate and a second plate, and the second plate is connected to the first plate And the first plate and the second plate are not parallel to each other, the sliding groove is located on the first plate, and the fixing pin is fixed to the second plate. The server chassis according to claim 1, wherein the expansion rack further has a hook for penetrating the circuit board, and the fixing pin includes a wide portion and a narrow portion connected to each other, the wide portion Fixed to the sliding part, the narrow part is farther away from the sliding part than the wide part, the outer diameter of the wide part is larger than the diameter of the through hole of the circuit board, and the outer diameter of the narrow part is smaller than the through hole of the circuit board Diameter, and the length of the wide part is greater than the length of the hook protruding from the circuit board. The server enclosure according to claim 1, wherein the expansion rack is a hard disk expansion rack, and the circuit board is a hard disk backplane. A fixing component is used for being arranged in a shell of a server casing and used for detachably fixing a circuit board to the shell. The fixing component includes: A sliding piece with a chute; At least one guiding member, passing through the sliding groove and used for fixing to the housing, so that the sliding member can slide between a release position and a fixed position relative to the at least one guiding member; A movable bolt can movably pass through the sliding member, and when the sliding member is located at the fixed position, the movable bolt can move between a passing position and a drawing position; and A fixing pin, fixed to the sliding piece; Wherein, when the movable plug is located at the penetration position, the movable plug penetrates the sliding member and is used to penetrate through a through hole of the housing, so that the sliding member is positioned at the fixed position, and the fixed pin is used to penetrate The circuit board and the housing; when the movable plug is in the withdrawn position, the movable plug leaves the through hole of the housing, so that the sliding member can slide between the release position and the fixed position, and the fixed pin Can move relative to the circuit board. The fixing assembly according to claim 7, wherein the number of the at least one guide is two, and each guide includes a head, a neck, and a fixing part, and the outer diameter of the head is larger than the sliding part. A width of the groove, the outer diameter of the neck is smaller than the width of the sliding groove, and the fixing part is used for fixing to the shell. The fixing assembly according to claim 7, wherein the movable latch includes a connecting portion, a latch portion, a handle portion, and a tension spring, the connecting portion is fixed to the sliding member, the latch portion passes through the connecting portion and the One end of the pin portion is pivotally connected to the handle portion, the extension spring is sleeved on the pin portion, one end of the extension spring is fixed to the pin portion and the other end is fixed to the connecting portion, and the handle portion can be opposite to the connecting portion Pivoting between a pulled-out position and a buckle position, when the handle portion pivots from the pulled-out position to the buckle position, the handle portion drives the latch portion to move in the direction of the sliding member to pass through In the through hole of the shell, the movable plug is located at the penetration position. The fixing assembly according to claim 7, wherein the sliding member is a metal plate, the sliding member includes a first plate and a second plate, and the second plate is connected to a part of the first plate Side and the first plate and the second plate are not parallel to each other, the sliding groove is located on the first plate, and the fixing pin is fixed to the second plate.

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