TW202147956A - 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 which can facilitate the disassembly and assembly of a circuit board from the casing, and a server casing including the same.

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

In the server chassis, in order to achieve the most efficient use of space, manufacturers are all devoted to the best way to accommodate the internal modules of the server, and in order to accommodate more unit modules in the server, the components in the server are usually It is arranged in the casing in a compact manner. Generally speaking, the components in the server are mostly fixed by screws. However, when there is a need to remove some components in the server for repair and assembly, due to space constraints, the screws located at the corners are difficult to penetrate. External tools such as screwdrivers are used to unscrew or lock, and there is a possibility of losing screws during the process of disassembly and assembly. Therefore, troubles for maintenance or assembling personnel are caused.

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 screwdrivers, and there are problems in the process of disassembly and assembly. Possible problem with missing screws.

The server case disclosed in an embodiment of the present invention is used for detachably fixing a circuit board. The server case includes a shell, an expansion rack and a fixing component. The casing has a through hole. The expansion rack is fixed on the casing and has a fixing hole. The fixing component includes a sliding piece, at least one guiding piece, a movable latch and a fixing pin. The slider has a chute. At least one guide piece passes through the chute and is fixed to the housing, so that the slide piece can slide relative to the at least one guide piece between a release position and a fixed position. The movable latch can be movably passed through the slider. When the sliding element is in the fixed position, the movable latch can move between an insertion position and an extraction position. The fixing pin is fixed to the slider. When the movable plug is located at the penetration position, the movable plug penetrates the sliding member and penetrates through the through hole of the casing, so that the sliding member is positioned in a fixed position, and the fixing pin is used for passing through the through hole of the circuit board and fixing the expansion rack hole. When the movable latch is in the withdrawing position, the movable latch leaves the through hole of the casing, so that the sliding piece can slide between the release position and the fixed position, and the fixed pin can move relative to the expansion rack.

Another embodiment of the present invention discloses the fixing component, which is arranged on an outer shell of a server casing and is used for detachably fixing a circuit board to the outer shell. The fixing component includes a sliding piece, at least one guiding piece, a movable latch and a fixing pin. The slider has a chute. At least one guide piece passes through the chute and is used for being fixed to the casing, so that the slide piece can slide relative to the at least one guide piece between a release position and a fixed position. The movable latch can be movably passed through the slider. When the sliding element is in the fixed position, the movable latch can move between an insertion position and an extraction position. The fixing pin is fixed to the slider. 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 a fixed position, and the fixing pin is used to penetrate the circuit board and the housing. When the movable latch is in the extraction position, the movable latch leaves the through hole of the housing, so that the slider can slide between the release position and the fixed position, and the fixed pin can move relative to the circuit board.

According to the server case and its fixing assembly disclosed in the above-mentioned 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 assembly, so that when the user has to remove the circuit board When required, the fixing pin can be easily removed from the through hole of the circuit board by moving the sliding member, which avoids the problem that the screws located at the corners of the circuit board are difficult to unscrew with a screwdriver, and also avoids the need for a screwdriver. There is a possibility 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 further explanation of the scope of the patent application of the present invention.

The detailed features and advantages of the embodiments of the present invention are described in detail below in the embodiments, and the contents are sufficient to enable any person with ordinary knowledge in the art to understand the technical contents of the embodiments of the present invention and implement them accordingly, and according to the disclosure in this specification Any person with ordinary knowledge in the art can easily understand the related objects 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 in any viewpoint.

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

The server case 9 of this embodiment is used to detachably fix a circuit board 8 . The server case 9 includes a casing 7 , an expansion rack 6 and a fixing component 1 .

The casing 7 has a through hole 71 and two riveting holes 73 . The expansion rack 6 is fixed to the casing 7 , and the expansion rack 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 for other modules in the server, and the circuit board may be a backplane corresponding to the modules.

The fixing assembly 1 includes a sliding member 11 , two guiding members 13 , a movable pin 15 and a fixing pin 17 .

The sliding member 11 has a sliding slot 110 and includes a first plate member 111 and a second plate member 112 , the second plate member 112 is connected to one side of the first plate member 111 , and the first plate member 111 and the second plate member 112 The pieces 112 are non-parallel to each other. The chute 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 to this, and in other embodiments, the sliding member may be made of plastic material, for example.

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

In this embodiment, the number of the guides is two, but the present invention is not limited to the number of the guides. In other embodiments, the number of the guides can be one, and the necks of the guides can be, for example, a long strip extending parallel to the center line of the two riveting holes 73 in FIG. 2 and having a length smaller than the chute 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 guide member 13 is composed of screws and studs, but the present invention is not limited thereto. In other embodiments, the guides may be actual design requirements such as pins or bolts with different outer diameter head and neck features.

The movable latch 15 is movably penetrated through the slider 11 . Please refer to FIG. 5 and FIG. 6 . FIG. 5 is a partial top view of the fixing assembly and the housing of FIG. 1 , and FIG. 6 is a top view of the handle of FIG. 1 in a pulled-out position. The movable latch 15 includes a connecting portion 151 , a latch portion 153 , a handle portion 155 and a tension spring 157 . The connecting portion 151 is fixed to the first plate member 111 of the sliding member 11 . The plug portion 153 passes through 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 plug portion 153 , and one end of the extension spring 157 is fixed to the plug portion 153 and the other end is fixed to the connection portion 151 . The handle portion 155 can pivot relative to the connecting portion 151 between a snap position (as shown in FIG. 5 ) and a pull-out position (as shown in FIG. 6 ). The structural features of the movable latch 15 in this embodiment are only examples, and are not intended to limit the present invention. In other embodiments, according to actual design requirements, a latch portion such as using a compression spring to position the movable latch can be used.

The fixing pin 17 includes a wide portion 171 and a narrow portion 172 connected thereto. 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 . 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 sliding member 17 from sliding when the fixing pin 17 passes through the through hole 81 of the circuit board 8 and the fixing hole 61 of the expansion rack 6 . The second plate 112 of 11 may collide with the hook 65 and cause damage to the hook 65 .

As shown in FIG. 1 and FIG. 2 , the circuit board 8 is locked to the screw holes 63 of the expansion rack 6 through the through holes 82 of the plurality of screws 5 , and the through holes 81 of the circuit board 8 adjacent to the casing 7 are through the present embodiment. For example, the fixing pin 17 of the fixing assembly 1 is inserted through 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 , thereby avoiding the need to remove the expansion rack 6 together, and avoiding the possibility of losing screws in the process of disassembly and assembly.

In detail, please refer to FIG. 3 to FIG. 6 again, when the user wants to remove the circuit board 8 from the server case 9 alone, he can first remove the handle portion 155 of the movable latch 15 from the latching position ( 5) pivot to the pull-out position (see FIG. 6), so that the latch portion 153 leaves the through hole 71 of the housing 7, so that the movable latch 15 is located in a pull-out position (as shown in FIG. 6). Then, the sliding member 11 can be moved from the fixed position (as shown in FIG. 3 ) to the release position (as shown in FIG. 4 ) along the D2 direction, so that the fixing pin 17 is separated from the through hole 81 of the circuit board 8 . Next, after unscrewing the screws 5 on the locking circuit board 8 one by one, move the circuit board 8 along 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 rack 6, and then Move the circuit board 8 along the D2 direction to make the engaging hole 80 disengage from the hook 65 , so that the circuit board 8 can be detached from the server case 9 independently.

On the other hand, when the user wants to assemble the circuit board 8 back to the server case 9 after repairing or replacing the circuit board 8, firstly, the circuit board 8 is moved in the direction opposite to D2 so that the engaging hole 80 passes through the expansion rack correspondingly. 6, and then move the circuit board 8 in the direction opposite to D3 so that the engaging holes 80 are engaged with the hooks 65, so that the through holes 81 and 82 of the circuit board 8 can correspond to the fixing holes 61 and 82 of the expansion rack 6, respectively. The screw holes 63 , so that the screws 5 can be inserted through the through holes 82 of the circuit board 8 and locked to the screw holes 63 of the expansion rack 6 . Next, move the slider 11 from the release position (as shown in FIG. 4 ) to the fixed position (as shown in FIG. 3 ) in the direction opposite to D2, so that the fixing pin 17 passes through the through hole 81 of the circuit board 8 and the fixing hole 61 of the expansion rack 6 , Then, the handle portion 155 of the movable latch 15 is pivoted from the pull-out position (as shown in FIG. 6 ) to the buckled position (as shown in FIG. 5 ), so as to drive the latch portion 153 to move toward the first plate 111 of the slider 11 and pass through it. In the through hole 71 of the housing 7 , the movable plug 15 is located at a penetration position (as shown in FIG. 5 ), so that the sliding member 11 is located at a fixed position.

According to the server case and its fixing component of the above-mentioned embodiment, the through hole of the circuit board adjacent to the casing is passed through 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 fixing pin can be easily removed from the through hole of the circuit board by moving the slider, avoiding the problem that the screws located at the corners of the circuit board are difficult to unscrew with a screwdriver, thereby avoiding the problem of removing the circuit board If the expansion rack needs to be removed together, it can also avoid the possibility of losing screws during the process of disassembly and assembly.

Although the present invention is disclosed by the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with the similar arts can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of patent protection of the invention shall be determined by the scope of the patent application attached to this specification.

9: Server case 8: circuit board 80: snap hole 81, 82: Through hole 7: Shell 71: Through hole 73: Riveting holes 6: Expansion Rack 61: Fixing hole 63: screw hole 65: hook 5: Screws 1: Fixed components 11: Slider 110: Chute 111: The first board 112: Second board 13: Guides 131: Head 133: Neck 135: Fixed part 15: Active latch 151: Connector 153: Latch 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: Length of wide part L2: The length of the hook protruding from the circuit board

FIG. 1 is a schematic perspective view of a server case and a circuit board according to an embodiment of the present invention. FIG. 2 is a partial enlarged exploded schematic view of FIG. 1 . FIG. 3 is a partial enlarged schematic view of FIG. 1 . FIG. 4 is a schematic view of the slider of FIG. 1 in a release position. FIG. 5 is a schematic partial top view of the fixing assembly and the housing of FIG. 1 . FIG. 6 is a schematic top view of the handle portion of FIG. 1 in a pulled-out position.

9: Server case

8: circuit board

7: Shell

6: Expansion Rack

5: Screws

1: Fixed components

Claims (10)

A server casing for detachably fixing a circuit board, the server casing comprising: a casing with a through hole; an expansion frame fixed on the casing, and the expansion frame has a fixing hole; and a fixing component, including: a sliding member with a sliding groove; at least one guide piece penetrates the chute and is fixed to the housing, so that the slide piece can slide relative to the at least one guide piece between a release position and a fixed position; a movable latch movably penetrated through the sliding member, when the sliding member is located at the fixed position, the movable plug can move between a penetration position and an extraction position; and a fixing pin, fixed on the sliding member; 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 casing, so that the sliding member is positioned at the fixed position, and the fixing pin is used for penetration in the through hole of the circuit board and the fixing hole of the expansion rack; when the movable latch is in the withdrawing position, the movable latch leaves the through hole of the casing, so that the sliding member can be in the release position and the fixed position Sliding between, and make the fixing pin move relative to the expansion rack. The server casing of claim 1, wherein the number of the at least one guide member is two, each of the guide members includes a head, a neck and a fixing portion, and the outer diameter of the head is greater than A width of the chute, the outer diameter of the neck is smaller than the width of the chute, and the fixing portion is fixed to the housing. The server case of claim 1, wherein the movable latch comprises a connecting portion, a latch portion, a handle portion and a tension spring, the connecting portion is fixed to the sliding member, and the latch portion passes through the connecting portion One end of the latch portion is pivotally connected to the handle portion, the tension spring is sleeved on the latch portion, one end of the tension spring is fixed to the latch portion and the other end is fixed to the connection portion, and the handle portion can be relative to the latch portion. The connecting portion pivots between a pull-out position and a latching position. When the handle portion pivots from the pull-out position to the latching position, the handle portion drives the latch portion to move toward the sliding member to move towards the sliding member. Passing through the through hole of the casing, the movable plug is located at the passing position. The server casing of claim 1, wherein the sliding member is a metal plate member, the sliding member includes a first plate member and a second plate member, and the second plate member is connected to the first plate member One side of the first board and the second board are not parallel to each other, the sliding slot is located on the first board, and the fixing pin is fixed on the second board. The server case according to claim 1, wherein the expansion rack further has a hook, the hook is used to pass through the circuit board, the fixing pin includes a wide part and a narrow part which are connected to each other, the wide part is Fixed on the sliding piece, the narrow part is farther from the sliding piece 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 diameter of the through hole of the circuit board diameter, and the length of the wide portion is greater than the length of the hook protruding from the circuit board. The server case of 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 to be arranged on a shell of a server case and used to detachably fix a circuit board to the shell, the fixing component comprising: a sliding piece with a chute; at least one guide piece penetrated through the chute and used to be fixed to the housing, so that the slide piece can slide relative to the at least one guide piece between a release position and a fixed position; a movable latch movably penetrated through the sliding member, when the sliding member is located at the fixed position, the movable plug can move between a penetration position and an extraction position; and a fixing pin, fixed on the sliding member; 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 casing, so that the sliding member is positioned at the fixed position, and the fixing pin is used for penetration the circuit board and the housing; when the movable latch is in the withdrawing position, the movable latch leaves the through hole of the housing, so that the slider can slide between the release position and the fixing position, and the fixing pin moveable relative to the circuit board. The fixing assembly according to claim 7, wherein the number of the at least one guide is two, each of the guides includes a head, a neck and a fixing portion, and the outer diameter of the head is larger than that of the slide A width of the slot, the outer diameter of the neck is smaller than the width of the chute, and the fixing portion is used to fix the casing. The fixing assembly according to claim 7, wherein the movable latch comprises a connecting portion, a latching portion, a handle portion and a tension spring, the connecting portion is fixed to the sliding member, the latching portion passes through the connecting portion and the One end of the latch portion is pivotally connected to the handle portion, the tension spring is sleeved on the latch portion, one end of the tension spring is fixed to the latch portion and the other end is fixed to the connection portion, and the handle portion can be relative to the connection portion It pivots between a pull-out position and a buckle position. When the handle portion is pivoted from the pull-out position to the buckle position, the handle portion drives the latch portion to move toward the sliding member for passing through. In the through hole of the casing, the movable plug is located at the penetration position. The fixing assembly according to claim 7, wherein the sliding member is a metal plate member, the sliding member comprises a first plate member and a second plate member, the second plate member is connected to one of the first plate member The first plate part and the second plate part are not parallel to each other, the sliding groove is located on the first plate part, and the fixing pin is fixed on the second plate part.

Images