# US 12,591,278 B2 · Joint module, server, and computing system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,591,278 B2 - Document ID: US12591278B2 - Status: Granted - Kind: B2 - Application number: 18/751,379 - Filed: 2024-06-24 - Published: 2025-03-27 - Granted: 2026-03-31 - Earliest claimed: 2023-09-22 - Assignees: Fulian Precision Electronics (Tianjin) Co., LTD. - Applicants: Fulian Precision Electronics (Tianjin) Co., LTD. - Inventors: Chang-Ju Wu; Chih-Min Lin - Web page: https://patentgrep.com/patent/US12591278B2 ## CPC - G06F 1/183: Internal mounting support structures, e.g. for supporting printed circuit boards - G06F 1/20: Cooling means - H01R 13/502: composed of different pieces (H01R13/514 takes precedence) - H01R 13/516: Means for holding or embracing insulating body, e.g. casing {, hoods} - H05K 7/1495: {providing data protection in case of earthquakes, floods, storms, nuclear explosions, intrusions, fire} - H05K 7/20272: {Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds} - H05K 7/20781: {within cabinets for removing heat from server blades} - H01R 2201/06: for computer periphery - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A joint module for cutting coolant circuit in server comprises a shell, a plug connector, folding mechanism, and a switch. The plug connector is placed on the shell and movable in a first direction between a first position and a second position for connecting a plug. The folding mechanism is connected to the shell and the plug connector and is used for moving the plug connector. The switch is placed on the shell with a first condition and a second condition. When the switch is in the first condition, the folding mechanism is unfolded, the plug connector is on the first position and is connected to the plug, when the switch is in the second condition, the folding mechanism is folded, the plug connector is on the second position and is disconnected to the plug. A server and a computing system with the joint module is also disclosed. ## Claims ### Claim 1 A joint module comprising: a shell fastened to a housing; a plug connector placed on the shell and movable in a first direction between a first position and a second position, the plug connector being configured for connecting a plug; a folding mechanism connected to the shell and the plug connector inside the housing, the folding mechanism being configured for moving the plug connector; and a switch placed in the housing and can be switched between a first condition or a second condition; wherein when the switch is in the first condition, the folding mechanism is unfolded, the plug connector is on the first position and is sided out of the housing and connected to the plug, when the switch is in the second condition, the folding mechanism is folded, the plug connector is on the second position and is sided toward the housing and disconnected to the plug; and the folding mechanism comprises a first folding piece and a second folding piece, the first folding piece defines a first end and a second end, the second folding piece defines a third end and a fourth end, the first end is rotatably connected to the plug connector, the second end is rotatably connected to the third end, the fourth end is rotatably connected to the shell, the first folding piece and the second folding piece rotate away from each other to unfold the folding mechanism, the first folding piece and the second folding piece rotate close to each other to fold the folding mechanism. ### Claim 2 (depends on 1) The joint module of claim 1, wherein the joint module further comprises a spring, the spring is located between the second folding piece and the shell, when the switch is in the first condition, the folding mechanism is kept unfolded, and the spring is compressed, when the switch is in the second condition, the folding mechanism is released, and the spring rotates the second folding piece to fold the folding mechanism. ### Claim 3 (depends on 2) The joint module of claim 2, wherein the switch comprises a first magnet, a second magnet, and a demagnetization part, the second magnet is located on the second folding piece, the first magnet and the demagnetization part is located on the shell, when the switch is in the first condition, the demagnetization part is powered off, the first magnet attracts the second folding piece, the folding mechanism is unfolded, when the switch is in the second condition, the demagnetization part is powered on, the demagnetization part demagnetizes the first magnet, the folding mechanism is folded by the spring. ### Claim 4 (depends on 1) The joint module of claim 1, wherein the shell comprises two side walls, each of the two side walls defines a sliding groove, the plug connector comprises two protrusions, each of the two protrusions is slidably placed in each of the two sliding grooves, for guiding the plug connector moving in the first direction. ### Claim 5 (depends on 1) The joint module of claim 1, wherein the first folding piece comprises a first board and two first ears, the two first ears are connected to opposite sides of the first board, the second folding piece comprises a second board and two second ears, the two second ears are connected to opposite sides of the second board, the two first ears are rotatably connected to the plug connector by a first shaft, the two first ears are rotatably connected to the two second ears by a second shaft, the two second ears are rotatably connected to the shell by a third shaft. ### Claim 6 (depends on 3) The joint module of claim 3, wherein the demagnetization part is a coil, when the coil is powered on, the coil generates magnetic poles opposite to magnetic poles of the first magnet. ### Claim 7 A server comprising: a chassis; a sensor located on the chassis and configured for sensing a leak of coolant; and a joint module located on the chassis, the joint module comprising: a shell fastened to the chassis; a plug connector placed on the shell and movable in a first direction between a first position and a second position, the plug connector being configured for connecting a plug; a folding mechanism connected to the shell and the plug connector inside the chassis, the folding mechanism being configured for moving the plug connector; and a switch placed in the chassis and can be switched between a first condition and a second condition; wherein when the switch is in the first condition, the folding mechanism is unfolded, the plug connector is on the first position and is sided out of the chassis and connected to the plug, when the sensor senses a leak of coolant, the switch turns to the second condition, the folding mechanism is folded, the plug connector is on the second position and is sided toward the chassis and disconnected to the plug; and the shell comprises two side walls, each of the two side walls defines a sliding groove, the plug connector comprises two protrusions, each of the two protrusions is slidably placed in each of the two sliding grooves, for guiding the plug connector moving in the first direction. ### Claim 8 (depends on 7) The server of claim 7, wherein the folding mechanism comprises a first folding piece and a second folding piece, the first folding piece defines a first end and a second end, the second folding piece defines a third end and a fourth end, the first end is rotatably connected to the plug connector, the second end is rotatably connected to the third end, the fourth end is rotatably connected to the shell, the first folding piece and the second folding piece rotate away from each other to unfold the folding mechanism, the first folding piece and the second folding piece rotate close to each other to fold the folding mechanism. ### Claim 9 (depends on 8) The server of claim 8, wherein the joint module further comprises a spring, the spring is located between the second folding piece and the shell, when the switch is in the first condition, the folding mechanism is kept unfolded, and the spring is compressed, when the switch is in the second condition, the folding mechanism is released, and the spring rotates the second folding piece to fold the folding mechanism. ### Claim 10 (depends on 9) The server of claim 9, wherein the switch comprises a first magnet, a second magnet, and a demagnetization part, the second magnet is located on the second folding piece, the first magnet and the demagnetization part is located on the shell, when the switch is in the first condition, the demagnetization part is powered off, the first magnet attracts the second folding piece, the folding mechanism is unfolded, when the switch is in the second condition, the demagnetization part is powered on, the demagnetization part demagnetizes the first magnet, the folding mechanism is folded by the spring. ### Claim 11 (depends on 8) The server of claim 8, wherein the first folding piece comprises a first board and two first ears, the two first ears are connected to opposite sides of the first board, the second folding piece comprises a second board and two second ears, the two second ears are connected to opposite sides of the second board, the two first ears are rotatably connected to the plug connector by a first shaft, the two first ears are rotatably connected to the two second ears by a second shaft, the two second ears are rotatably connected to the shell by a third shaft. ### Claim 12 (depends on 10) The server of claim 10, wherein the demagnetization part is a coil, when the coil is powered on, the coil generates magnetic poles opposite to magnetic poles of the first magnet. ### Claim 13 A computing system comprising: a rack comprising a plurality of plugs; and a plurality of servers placed in the rack, each of the plurality of servers comprising: a chassis; a sensor configured for sensing a leak of coolant; and a joint module located on the chassis with a spring, the joint module comprising: a shell; a plug connector placed on the shell and movable in a first direction between a first position and a second position, the plug connector being configured for connecting one of the plurality of plugs; a folding mechanism connected to the shell and the plug connector, the folding mechanism being configured for moving the plug connector; and a switch placed on the shell with a first condition and a second condition, wherein when the switch is in the first condition, the folding mechanism is unfolded, the plug connector is on the first position and is connected to the one of the plurality of plugs, when the sensor senses the leak of coolant in the chassis, the switch is in the second condition, the folding mechanism is folded, the plug connector is on the second position and disconnects the one of the plurality of plugs; and the folding mechanism comprises a first folding piece and a second folding piece; wherein the switch comprises a first magnet, a second magnet, and a demagnetization part, the second magnet is located on the second folding piece, the first magnet and the demagnetization part is located on the shell, when the switch is in the first condition, the demagnetization part is powered off, the first magnet attracts the second folding piece, the folding mechanism is unfolded, when the switch is in the second condition, the demagnetization part is powered on, the demagnetization part demagnetizes the first magnet, the folding mechanism is folded by the spring. ### Claim 14 (depends on 13) The computing system of claim 13, wherein the first folding piece defines a first end and a second end, the second folding piece defines a third end and a fourth end, the first end is rotatably connected to the plug connector, the second end is rotatably connected to the third end, the fourth end is rotatably connected to the shell, the first folding piece and the second folding piece rotate away from each other to unfold the folding mechanism, the first folding piece and the second folding piece rotate close to each other to fold the folding mechanism. ### Claim 15 (depends on 13) The computing system of claim 13, wherein the spring is located between the second folding piece and the shell, when the switch is in the first condition, the folding mechanism is kept unfolded, and the spring is compressed, when the switch is in the second condition, the folding mechanism is released, and the spring rotates the second folding piece to fold the folding mechanism. ### Claim 16 (depends on 13) The computing system of claim 13, wherein the shell comprises two side walls, each of the two side walls defines a sliding groove, the plug connector comprises two protrusions, each of the two protrusions is slidably placed in each of the two sliding grooves, for guiding the plug connector moving in the first direction. ### Claim 17 (depends on 14) The computing system of claim 14, wherein the first folding piece comprises a first board and two first ears, the two first ears are connected to opposite sides of the first board, the second folding piece comprises a second board and two second ears, the two second ears are connected to opposite sides of the second board, the two first ears are rotatably connected to the plug connector by a first shaft, the two first ears are rotatably connected to the two second ears by a second shaft, the two second ears are rotatably connected to the shell by a third shaft.