Pipe connection device

Abstract

The present application relates to the technical field of submerged liquid-cooled server and discloses a pipeline connecting device, which comprises a first connector provided with a first flow channel; a second connector provided with a second flow channel, the second connector being detachably connected with the first connector; a blocking assembly movably arranged on the first connector and used for blocking the first flow channel when the first connector is separated from the second connector; a pressure relief assembly comprising a pressure relief channel communicated with the first flow channel and used for containing at least part of fluid in the first flow channel during the separation process; and a linkage assembly arranged between the blocking assembly and the pressure relief assembly. When the second connector is separated from the first connector, the blocking assembly moves towards the direction of blocking the first flow channel, and the pressure relief channel is opened to allow part of the fluid to enter the pressure relief channel. Through the cooperation of the blocking assembly, the pressure relief assembly and the linkage assembly, the residual high-pressure fluid is temporarily contained in the pressure relief channel during the separation process, and the problem of a large amount of fluid splashing caused by the sharp rise in pressure due to instantaneous closure is avoided.

Description

Technical Field

[0001] This invention belongs to the field of immersion liquid-cooled server technology, and specifically relates to a pipeline connection device. Background Technology

[0002] Immersion liquid-cooled servers require quick-connect couplings between server nodes and liquid-cooling distribution units to facilitate easy plugging and unplugging of coolant piping, enabling server maintenance, replacement, and expansion. In related technologies, quick-connect couplings typically employ a snap-locking structure for axial fixation after docking, or a one-way valve structure to control the flow path. While these solutions achieve quick plug-and-play connections, residual pressure inside the coupling during hot-plugging can easily cause excessive coolant splashing, affecting operational safety, system reliability, and heat dissipation efficiency. Summary of the Invention

[0003] This invention aims to at least partially solve one of the technical problems in related technologies. To this end, embodiments of this invention propose a pipeline connection device that, during the separation of the second connector from the first connector, through the coordinated arrangement of a sealing component, a pressure relief component, and a linkage component, allows residual high-pressure fluid in the first flow channel to enter the pressure relief channel for temporary containment and pressure relief before the sealing component completely seals the channel. This effectively avoids the problem of large-volume fluid splashing caused by a sudden increase in pressure due to instantaneous closure.

[0004] The pipeline connection device of this invention includes: A first connector, wherein the first connector is provided with a first flow channel; The second connector is provided with a second flow channel, and the second connector is detachably connected to the first connector so that the first flow channel and the second flow channel are in communication; A blocking assembly, movably disposed on the first connector, to block the first flow channel when the second connector is separated from the first connector; A pressure relief assembly includes a pressure relief channel that communicates with the first flow channel and is used to contain at least a portion of the fluid in the first flow channel during the separation of the second connector from the first connector. A linkage component is disposed between the sealing component and the pressure relief component; When the second connector separates from the first connector, the sealing assembly moves in the direction of sealing the first flow channel, and the sealing assembly drives the pressure relief channel to open through the linkage assembly, so that some fluid in the first flow channel enters the pressure relief channel before the sealing assembly seals the first flow channel.

[0005] The pipeline connection device of this invention, through the coordinated arrangement of the sealing component, the pressure relief component, and the linkage component, achieves linkage between the return sealing action of the sealing component and the opening action of the pressure relief channel during the separation of the second joint from the first joint. This allows some residual high-pressure fluid in the first flow channel to enter the pressure relief channel for temporary containment and pressure relief before the sealing component completely seals the channel, thereby effectively avoiding the problem of a large amount of fluid splashing caused by a sudden increase in pressure due to instantaneous closure.

[0006] In some embodiments, the linkage component includes a driving component and a mating component. The driving component is linked with the sealing component, and the mating component is linked with the pressure relief component. When the sealing component moves, it drives the driving component to move, and the driving component drives the mating component to move to open the pressure relief channel.

[0007] The pipeline connection device of this invention, by separating the driving component and the mating component, converts the single movement of the sealing component into the movement of driving the pressure relief component to open, and the transmission path is simple and reliable.

[0008] In some embodiments, one of the drive member and the mating member is provided with an inclined surface, and the other is in contact with the inclined surface to convert the movement of the blocking assembly along a first direction into the movement of the mating member along a second direction, the second direction being at an angle to the first direction.

[0009] The pipeline connection device of this invention converts the axial movement of the sealing component into the opening movement of the pressure relief component in different directions through the inclined contact fit, so that the arrangement direction of the pressure relief channel can be flexibly adapted to the internal space layout of the first joint, while the inclined fit can provide a smooth movement conversion.

[0010] In some embodiments, the pressure relief assembly further includes a pressure relief chamber and a first reset member, the pressure relief channel is formed in the pressure relief chamber, the pressure relief assembly further includes a movable member, the movable member is disposed in the pressure relief chamber and is used to open or close the pressure relief channel, the first reset member is disposed between the movable member and the pressure relief chamber, and the first reset member is used to apply an elastic force to the movable member to close the pressure relief channel.

[0011] The pipeline connection device of this invention, through the setting of the first reset member, enables the pressure relief channel to automatically close after pressure relief is completed, preventing the coolant from continuously overflowing, while maintaining a seal in the docking state.

[0012] In some embodiments, the plugging assembly includes a plugging member and a second reset member. The plugging member is movably disposed within the first connector to plug or open the first flow channel. The second reset member is disposed between the plugging member and the first connector and is used to apply an elastic force to the plugging member to plug the first flow channel.

[0013] The pipeline connection device of this invention realizes automatic reset and sealing of the sealing component through the setting of the second reset component. When the second connector is pulled out, the sealing component moves rapidly to the sealing position under the elastic force of the second reset component, without manual operation.

[0014] In some embodiments, the first connector is provided with a support base, the sealing member is slidably supported on the support base, and the second reset member is sleeved on the sealing member with one end abutting against the sealing member and the other end abutting against the support base.

[0015] The pipeline connection device of this invention provides a stable sliding support and spring positioning reference for the sealing component through the setting of the support base, making the movement of the sealing component more stable.

[0016] In some embodiments, the plugging member is axially movable along the first connector, the first flow channel has a sealing section, the flow cross-section of the sealing section gradually increases in the direction close to the second connector, and the plugging member has an outer contour adapted to the sealing section.

[0017] The pipeline connection device of this invention increases the sealing contact area and improves the sealing performance by matching the sealing section with the variable-diameter conical surface of the plugging component. At the same time, the conical surface matching has a self-centering effect, so that the plugging component can accurately fall into the sealing position when it returns to its original position.

[0018] In some embodiments, the second connector is provided with a pusher. When the second connector is connected to the first connector, the pusher pushes the sealing member to move against the elastic force of the second reset member, so that the sealing member opens the first flow channel.

[0019] The pipeline connection device of this invention, through the setting of the pusher, realizes the automatic opening of the sealing part during the docking process without additional operation.

[0020] In some embodiments, the elastic force of the first reset member is less than that of the second reset member, so that the pressure relief channel remains open before the sealing member seals the first flow channel.

[0021] The pipeline connection device of this invention ensures the timing of operation by setting the relationship between the elastic forces of the first reset member and the second reset member: the sealing member begins to move back to its original position first under the action of the larger elastic force of the second reset member. At this time, the smaller elastic force of the first reset member is insufficient to immediately close the pressure relief channel, so that the pressure relief channel remains open before the sealing member is completely blocked, providing a sufficient pressure relief time window for the residual fluid.

[0022] In some embodiments, the pipeline connection device further includes an anti-detachment component, which includes a first locking member and a second locking member. The first locking member is disposed on the first connector, and the second locking member is disposed on the second connector. One of the first locking member and the second locking member is provided with a locking element, and the other is provided with a locking groove. After the first connector and the second connector are mated, the locking element is engaged with the locking groove to lock the first connector and the second connector.

[0023] The pipeline connection device of this invention, through the setting of the anti-detachment component, achieves axial locking after the joint is connected, preventing the joint from accidentally loosening due to long-term vibration of the equipment or external pulling force, thereby improving the connection reliability.

[0024] In some embodiments, the latching member is movably disposed and has a latching position and a clearance position. The anti-detachment component further includes a third reset member, which is used to apply an elastic force toward the latching member toward the latching position. The latching member is provided with a guide slope. During the docking process, the guide slope is squeezed to make the latching member overcome the elastic force of the third reset member and enter the clearance position to achieve automatic engagement.

[0025] The pipe connection device of this invention, through the elastic setting of the snap-fit ​​component and the setting of the guide slope, realizes automatic displacement during the docking process and automatic locking after the docking is in place, making it easy to operate.

[0026] In some embodiments, the first engaging member includes a first engaging member with the engaging groove provided thereon, the second engaging member includes a second engaging member with the receiving groove provided thereon, the first engaging member is received in the receiving groove, and when the first connector and the second connector are mated, after the first engaging member and the second engaging member are rotated relative to each other in the circumferential direction to their respective positions, the engaging member is engaged into the engaging groove.

[0027] The pipeline connection device of this invention achieves dual circumferential and axial locking after docking by setting the snap-fit ​​part to snap into the snap-fit ​​groove after circumferential rotation, thereby further improving the reliability of the connection.

[0028] In some embodiments, the pipeline connection device further includes a flow channel adjustment assembly disposed within the first connector and / or the second connector. The flow channel adjustment assembly includes a power component and a movable guide component. The power component is driven by the flowing coolant to move, thereby moving the movable guide component and changing the size of the flow cross section.

[0029] The pipeline connection device of this invention realizes the function of passively adjusting the flow cross section according to the flow rate by setting the flow channel adjustment component. When the flow rate is large, the cross section is expanded to reduce the flow resistance, and when the flow rate is small, the cross section is reduced to increase the flow velocity, thus avoiding the accumulation of air bubbles and improving the adaptability and efficiency of the heat dissipation system.

[0030] In some embodiments, the power member is a rotating member driven by fluid, the rotating member is connected to the movable guide member, and the flow channel adjustment assembly further includes a fourth reset member, the fourth reset member applying an elastic force to the movable guide member to reduce the flow cross section.

[0031] The pipeline connection device of this invention, through the setting of the fourth reset component, enables the guide plate to automatically retract and reset when the flow rate decreases, thereby achieving bidirectional adaptive adjustment.

[0032] In some embodiments, the rotating component is an impeller, which is connected to the movable guide component via a rotating rod. When the coolant flow rate increases, the impeller overcomes the elastic force of the fourth reset component and rotates to drive the movable guide component to expand the flow cross section.

[0033] The pipeline connection device of this invention uses an impeller to drive a movable guide component, eliminating the need for sensors or electronic control units. It relies entirely on the fluid's own kinetic energy to passively adjust the flow channel cross-sectional area, providing timely response to flow fluctuations without additional energy consumption. Attached Figure Description

[0034] Figure 1 This is an overall schematic diagram of the present invention. Figure 1 .

[0035] Figure 2 This is an overall schematic diagram of the present invention. Figure 2 .

[0036] Figure 3 This is a schematic diagram of the internal structure of the present invention.

[0037] Figure 4 This is the present invention. Figure 3 A magnified view of a portion of point A in the middle.

[0038] Figure 5 This is a schematic diagram of the anti-detachment component in this invention. Figure 1 .

[0039] Figure 6 This is a schematic diagram of the anti-detachment component in this invention. Figure 2 .

[0040] Figure 7 This is a schematic diagram of the flow regulation component in this invention. Figure 1 .

[0041] Figure 8 This is a schematic diagram of the flow regulation component in this invention. Figure 2 .

[0042] Figure label: 1. First connector; 11. First flow channel; 111. Sealing section; 12. Guide plate; 13. Support base; 2. Second connector; 21. Second flow channel; 22. Pushing component; 23. Fixed base; 3. Sealing assembly; 31. Sealing component; 311. Rod; 312. Cone; 313. Limiting plate; 32. Second reset component; 4. Pressure relief assembly; 41. Pressure relief channel; 42. Pressure relief chamber; 421. Slide groove; 43. First reset component; 44. Movable component; 441. Slider; 45. Sealing ring; 5. Linkage component; 51. Driving component; 511. Guide groove; 512. Driving inclined surface; 52. Mating component; 521. Driven inclined surface; 6. Positioning component; 61. Docking ring; 62. Docking groove; 7. Sealing assembly; 71. First sealing groove; 72. Second sealing groove; 73. Sealing ring; 8. Anti-fall-off component; 81. Snap-fit ​​component; 811. Guide slope; 82. Snap-fit ​​groove; 83. Irregularly shaped frame; 84. Receiving groove; 85. Third reset component; 86. L-shaped plate; 87. Support plate; 9. Flow channel adjustment assembly; 91. Power component; 92. Movable guide component; 93. Fourth reset component; 94. Rotating frame; 95. Rotating rod; 96. Fixing plate; 97. Pin rod; 98. Extrusion groove. Detailed Implementation

[0043] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0044] The piping connection device of this invention can be applied to immersion liquid-cooled servers to enable convenient plug-and-play connection of coolant piping between server nodes and liquid-cooled distribution units, and to prevent coolant splashing during hot-plugging. Of course, this piping connection device can also be applied to other piping connection scenarios that require rapid plug-and-play functionality and prevention of fluid leakage.

[0045] like Figures 1-8 As shown, the pipeline connection device of this embodiment includes a first connector 1, a second connector 2, a sealing assembly 3, a pressure relief assembly 4, and a linkage assembly 5. The first connector 1 has a first flow channel 11, and the second connector 2 has a second flow channel 21. The second connector 2 is detachably connected to the first connector 1 to allow communication between the first flow channel 11 and the second flow channel 21. The sealing assembly 3 is movably disposed on the first connector 1 to seal the first flow channel 11 when the second connector 2 is separated from the first connector 1. The pressure relief assembly 4 includes a pressure relief channel 41, which communicates with the first flow channel 11 and is used to contain at least a portion of the fluid within the first flow channel 11 during the separation of the second connector 2 from the first connector 1. The linkage assembly 5 is disposed between the sealing assembly 3 and the pressure relief assembly 4. When the second connector 2 is separated from the first connector 1, the sealing assembly 3 moves in the direction of sealing the first flow channel 11, and the sealing assembly 3 drives the pressure relief channel 41 to open via the linkage assembly 5, allowing a portion of the fluid within the first flow channel 11 to enter the pressure relief channel 41 before the sealing assembly 3 seals the first flow channel 11.

[0046] In the pipeline connection device of this invention, through the coordinated arrangement of the sealing component 3, the pressure relief component 4, and the linkage component 5, during the separation of the second connector 2 from the first connector 1, the return sealing action of the sealing component 3 and the opening action of the pressure relief channel 41 are linked through the linkage component 5. This allows some residual high-pressure fluid in the first flow channel 11 to enter the pressure relief channel 41 for temporary containment and pressure relief before the sealing component 3 completely seals it, thereby effectively avoiding the problem of a large amount of fluid splashing caused by a sudden increase in pressure due to instantaneous closure.

[0047] Specifically, when the second connector 2 is connected to the first connector 1, the sealing assembly 3 is in the open position, the first flow channel 11 and the second flow channel 21 are connected, and the coolant flows normally. When disassembly is required, the second connector 2 is pulled outward, and the sealing assembly 3 loses the pushing action of the second connector 2 and moves back towards sealing the first flow channel 11. During the return movement of the sealing assembly 3, the linkage assembly 5 transmits the movement of the sealing assembly 3 to the pressure relief assembly 4, driving the pressure relief channel 41 to open. Some of the high-pressure fluid remaining in the first flow channel 11 is guided into the pressure relief channel 41 before the sealing assembly 3 completely closes the flow channel, thereby reducing the pressure in the flow channel at the moment of sealing. When the sealing assembly 3 moves to the sealing position, the pressure relief channel 41 closes, completing the entire separation process. When the second connector 2 is connected to the first connector 1 again, the pressure relief channel 41 closes, the fluid temporarily stored in the pressure relief chamber 42 is pushed back into the first flow channel 11, and at the same time, the second connector 2 pushes the sealing assembly 3 to reopen the first flow channel 11, and the coolant flow resumes.

[0048] In some embodiments, the linkage component 5 includes a driving component 51 and a mating component 52. The driving component 51 is linked with the sealing component 3, and the mating component 52 is linked with the pressure relief component 4. When the sealing component 3 moves, it drives the driving component 51 to move, and the driving component 51 drives the mating component 52 to move to open the pressure relief channel 41.

[0049] The pipeline connection device of this invention, through the separate arrangement of the driving component 51 and the mating component 52, converts the single movement of the sealing component 3 into the movement of driving the pressure relief component 4 to open, and the transmission path is simple and reliable.

[0050] Specifically, the driving component 51 is fixedly connected to the sealing assembly 3 and moves synchronously with the sealing assembly 3. The mating component 52 is connected to the movable component 44 of the pressure relief assembly 4. During the process of the sealing assembly 3 returning to its original position to seal, the driving component 51 moves together with the sealing assembly 3, and through contact mating, pushes the mating component 52 to move, thereby driving the pressure relief assembly 4 to open the pressure relief channel 41.

[0051] In some embodiments, one of the driving member 51 and the mating member 52 is provided with an inclined surface, and the other is in contact with the inclined surface to convert the movement of the sealing assembly 3 along the first direction into the movement of the mating member 52 along the second direction, the second direction being at an angle to the first direction.

[0052] The pipeline connection device of this invention converts the axial movement of the sealing component 3 into the opening movement of the pressure relief component 4 in different directions through the inclined contact fit, so that the arrangement direction of the pressure relief channel 41 can be flexibly adapted to the internal space layout of the first connector 1, and the inclined fit can provide a smooth movement conversion.

[0053] Specifically, the outer wall of the driving component 51 is provided with a driving inclined surface 512, and the mating component 52 is provided with a driven inclined surface 521 that mates with the driving inclined surface 512. When the sealing assembly 3 moves along the first direction, the driving inclined surface 512 squeezes the driven inclined surface 521, pushing the mating component 52 to move along the second direction, thereby opening the pressure relief channel 41.

[0054] Furthermore, the driving component 51 is a driving plate, and the mating component 52 is a driven plate. The driving plate is fixedly connected to the top of the sealing assembly 3, and the outer wall of the driving plate has the aforementioned driving ramp 512. The driven plate is movably disposed in the pressure relief chamber 42 of the pressure relief assembly 4, and the end of the driven plate has the aforementioned driven ramp 521. When the driving plate moves with the sealing assembly 3, the driving ramp 512 contacts the driven ramp 521 and pushes the driven plate to move in the direction of opening the pressure relief channel 41.

[0055] Furthermore, the outer wall of the drive plate is provided with multiple guide grooves 511, and the inner wall of the first flow channel 11 is fixedly connected with a guide plate 12. The guide plate 12 is slidably engaged with the guide grooves 511 to guide the drive plate to slide stably along the moving direction of the sealing assembly 3 and prevent the drive plate from deflecting during the movement.

[0056] In some embodiments, the pressure relief assembly 4 further includes a pressure relief chamber 42 and a first reset member 43. A pressure relief channel 41 is formed within the pressure relief chamber 42. The pressure relief assembly 4 also includes a movable member 44, which is disposed within the pressure relief chamber 42 and is used to open or close the pressure relief channel 41. The first reset member 43 is disposed between the movable member 44 and the pressure relief chamber 42, and is used to apply a spring force to the movable member 44 to close the pressure relief channel 41.

[0057] The pipeline connection device of this invention, through the setting of the first reset member 43, enables the pressure relief channel 41 to automatically close after pressure relief is completed, preventing the coolant from continuously overflowing, while maintaining a seal in the docking state.

[0058] Specifically, the pressure relief chamber 42 is a tubular cavity formed at the top of the first connector 1, communicating with the first flow channel 11. The movable member 44 is a plate-like structure, slidably disposed within the pressure relief chamber 42. The first reset member 43 is a strong spring, with one end abutting against the movable member 44 and the other end abutting against the inner wall of the pressure relief chamber 42. When the driving action of the driving member 51 is released, the first reset member 43 pushes the movable member 44 back to its original position, closing the pressure relief channel 41 and pushing the fluid temporarily stored in the pressure relief chamber 42 back into the first flow channel 11.

[0059] Furthermore, the inner wall of the pressure relief chamber 42 is provided with a sliding groove 421, and a slider 441 is fixedly connected to the side wall of the movable part 44. The slider 441 is slidably disposed in the sliding groove 421 to provide guidance for the sliding of the movable part 44, making the movement of the movable part 44 more stable.

[0060] Furthermore, a sealing ring 45 is provided on the outer wall of the movable part 44. The sealing ring 45 is used to seal the gap between the movable part 44 and the pressure relief chamber 42 when the pressure relief channel 41 is closed, so as to prevent coolant from leaking from the mating gap.

[0061] Furthermore, there can be at least two pressure relief components 4, which are arranged at circumferential intervals along the first joint 1 to provide uniform pressure relief capacity and ensure effective pressure relief under different postures.

[0062] In some embodiments, such as Figure 3 , Figure 5As shown, the sealing assembly 3 includes a sealing member 31 and a second reset member 32. The sealing member 31 is movably disposed within the first connector 1 to seal or open the first flow channel 11, and the second reset member 32 is disposed between the sealing member 31 and the first connector 1. The second reset member 32 is used to apply an elastic force to the sealing member 31 to seal the first flow channel 11.

[0063] The pipeline connection device of this invention realizes the automatic reset and sealing of the sealing member 31 by setting the second reset member 32. When the second connector 2 is pulled out, the sealing member 31 moves quickly to the sealing position under the elastic force of the second reset member 32 without manual operation.

[0064] Specifically, the sealing element 31 is a rod-shaped structure, movably disposed along the axial direction of the first connector 1. The second reset element 32 is a spring, sleeved on the sealing element 31. When the second connector 2 is engaged, the sealing element 31 is pushed by the second connector 2, compressing the second reset element 32, causing the sealing element 31 to leave the sealing position and opening the first flow channel 11; when the second connector 2 is pulled out, the second reset element 32 releases its elastic force, pushing the sealing element 31 back to the sealing position, sealing the first flow channel 11.

[0065] In some embodiments, the first connector 1 is provided with a support base 13, the sealing member 31 is slidably supported on the support base 13, and the second reset member 32 is sleeved on the sealing member 31 with one end abutting against the sealing member 31 and the other end abutting against the support base 13.

[0066] The pipeline connection device of this invention provides a stable sliding support and spring positioning reference for the sealing member 31 through the setting of the support base 13, making the movement of the sealing member 31 more stable.

[0067] Specifically, the sealing component 31 includes a rod portion 311 and a cone portion 312 connected to one end of the rod portion 311, with a limiting plate 313 fixedly connected to the other end of the rod portion 311. A second reset component 32 is sleeved on the rod portion 311, with both ends of the second reset component 32 abutting against the limiting plate 313 and the support seat 13, respectively. The support seat 13 is fixedly connected to the inner wall of the first connector 1, and the rod portion 311 slides through the support seat 13. When the second connector 2 is pulled out, the second reset component 32 pushes the limiting plate 313, causing the rod portion 311 and the cone portion 312 to move towards the sealing position.

[0068] In some embodiments, the plugging member 31 is movable along the axial direction of the first connector 1, the first flow channel 11 has a sealing section 111, the flow cross section of the sealing section 111 gradually increases along the direction close to the second connector 2, and the plugging member 31 has an outer contour adapted to the sealing section 111.

[0069] The pipeline connection device of this invention increases the sealing contact area and improves the sealing performance by cooperating with the variable diameter conical surface of the sealing section 111 and the plugging member 31. At the same time, the conical surface cooperation has a self-centering effect, so that the plugging member 31 can accurately fall into the sealing position when it returns to its original position.

[0070] Specifically, the cone portion 312 of the sealing component 31 is a sealing cone, and the sealing section 111 is a conical hole formed on the inner wall of the first flow channel 11. The outer conical surface of the sealing cone mates with the inner conical surface of the conical hole to achieve a conical surface seal. The diameter of the conical hole gradually decreases from the side closer to the second connector 2 to the side farther away from the second connector 2, and the diameter of the sealing cone is adapted to it.

[0071] In some embodiments, the second connector 2 is provided with a pusher 22. When the second connector 2 is connected to the first connector 1, the pusher 22 pushes the sealing member 31 to move against the elastic force of the second reset member 32, so that the sealing member 31 opens the first flow channel 11.

[0072] The pipeline connection device of this invention, through the setting of the pusher 22, realizes the automatic opening of the sealing member 31 during the docking process without additional operation.

[0073] Specifically, the pusher 22 is a compression rod, which is fixedly connected to the second connector 2 via a fixing seat 23. When the second connector 2 mates with the first connector 1, the front end of the compression rod presses against the end face of the rod portion 311 of the sealing member 31. As the mating stroke advances, the compression rod pushes the sealing member 31 to move backward, compressing the second reset member 32, causing the cone portion 312 to leave the sealing section 111, and the first flow channel 11 to open.

[0074] In some embodiments, the elastic force of the first reset member 43 is less than that of the second reset member 32, so that the pressure relief channel 41 remains open before the sealing member 31 seals the first flow channel 11.

[0075] The pipeline connection device of this invention ensures the timing of operation by setting the relationship between the elastic forces of the first reset member 43 and the second reset member 32: the blocking member 31 begins to move back to its original position first under the action of the larger elastic force of the second reset member 32. At this time, the smaller elastic force of the first reset member 43 is insufficient to immediately close the pressure relief channel 41, so that the pressure relief channel 41 remains open before the blocking member 31 is completely blocked, providing a sufficient pressure relief time window for the residual fluid.

[0076] In some embodiments, the pipeline connection device of the present invention further includes a positioning component 6 and a sealing component 7. The positioning component 6 is used for pre-positioning when the first connector 1 and the second connector 2 are mated. The sealing component 7 is disposed between the mating surfaces of the first connector 1 and the second connector 2 for sealing the end faces after mating.

[0077] Specifically, the positioning component 6 includes a docking ring 61 and a docking groove 62. The docking ring 61 is fixedly connected to the side wall of the second connector 2 near the first connector 1, and the docking groove 62 is formed on the side wall of the first connector 1 near the second connector 2. The docking ring 61 and the docking groove 62 are inserted into each other. During docking, the docking ring 61 is first inserted into the docking groove 62 to achieve preliminary radial and axial positioning of the first connector 1 and the second connector 2, ensuring that the subsequent sealing component 3 can be accurately aligned.

[0078] Specifically, the sealing assembly 7 includes a sealing ring 73. A first sealing groove 71 is formed on the side wall of the first connector 1 near the second connector 2, and a second sealing groove 72 is formed on the side wall of the second connector 2 near the first connector 1. The first sealing groove 71 and the second sealing groove 72 are positioned opposite each other after mating, and the sealing ring 73 is accommodated within the first sealing groove 71 and the second sealing groove 72. After mating, the sealing ring 73 is pressed between the bottom of the first sealing groove 71 and the bottom of the second sealing groove 72, achieving end-face sealing of the mating surfaces and preventing coolant leakage from the mating gap.

[0079] In some embodiments, the pipeline connection device further includes an anti-detachment component 8. The anti-detachment component 8 includes a first locking member and a second locking member. The first locking member is disposed on the first connector 1, and the second locking member is disposed on the second connector 2. One of the first locking member and the second locking member is provided with a locking element 81, and the other is provided with a locking groove 82. After the first connector 1 and the second connector 2 are mated, the locking element 81 is engaged with the locking groove 82 to lock the first connector 1 and the second connector 2.

[0080] The pipeline connection device of this invention, through the setting of the anti-detachment component 8, achieves axial locking after the joint is connected, preventing the joint from accidentally loosening due to long-term vibration of the equipment or external pulling force, thereby improving the connection reliability.

[0081] Specifically, the first engaging component includes multiple irregularly shaped frames 83, which are fixedly connected to the outer wall of the first connector 1 and arranged at intervals along the circumference of the first connector 1. Each irregularly shaped frame 83 has a locking groove 82 at its end. The second engaging component includes multiple arc-shaped grooves, which are formed on the outer wall of the second connector 2 and arranged at intervals along the circumference. These arc-shaped grooves extend outwards and axially through the outer wall of the second connector 2, forming a receiving groove 84 for accommodating the irregularly shaped frames 83. During docking, the irregularly shaped frames 83 are inserted into the receiving groove 84, and the second connector 2 is rotated to allow the irregularly shaped frames 83 to slide into place within the receiving groove 84.

[0082] In some embodiments, the latching member 81 is movably disposed and has a latching position and a yielding position. The anti-detachment component 8 further includes a third reset member 85, which is used to apply a spring force toward the latching position to the latching member 81. The latching member 81 is provided with a guide slope 811. During the docking process, the guide slope 811 is squeezed to make the latching member 81 overcome the spring force of the third reset member 85 and enter the yielding position to achieve automatic engagement.

[0083] The pipeline connection device of this invention, through the elastic setting of the snap-fit ​​member 81 and the setting of the guide slope 811, realizes automatic displacement during the docking process and automatic locking after the docking is in place, making operation convenient.

[0084] Specifically, the locking element 81 is a locking block, fixedly connected to the L-shaped plate 86. The L-shaped plate 86 is slidably connected to the support plate 87, which is fixedly connected to the outer wall of the second connector 2 and located on the side of the receiving groove 84 away from the first connector 1. The third reset element 85 is a disc spring, located between the L-shaped plate 86 and the support plate 87. The top of the locking block is provided with a guide slope 811. When the irregular frame 83 rotates into position in the receiving groove 84, the irregular frame 83 presses against the guide slope 811, pushing the locking block to drive the L-shaped plate 86 to overcome the elastic force of the disc spring and move outward. When the irregular frame 83 rotates until the locking groove 82 is aligned with the locking block, the locking block is locked into the locking groove 82 under the elastic force of the disc spring, completing the axial locking.

[0085] In some embodiments, the pipeline connection device further includes a flow channel adjustment assembly 9. The flow channel adjustment assembly 9 is disposed in the first connector 1 and / or the second connector 2. The flow channel adjustment assembly 9 includes a power member 91 and a movable guide member 92. The power member 91 is driven by the flowing coolant to move, thereby moving the movable guide member 92 and changing the size of the flow cross section.

[0086] The pipeline connection device of this invention realizes the function of passively adjusting the flow cross section according to the flow rate by setting the flow channel adjustment component 9. When the flow rate is large, the cross section is expanded to reduce the flow resistance, and when the flow rate is small, the cross section is reduced to increase the flow velocity, thus avoiding the accumulation of air bubbles and improving the adaptability and efficiency of the heat dissipation system.

[0087] Specifically, the flow channel adjustment assembly 9 is located within the second flow channel 21 of the second connector 2. The power component 91 is a rotating component driven by the fluid, and the movable guide component 92 consists of multiple arc-shaped guide plates arranged circumferentially, which can slide radially.

[0088] In some embodiments, such as Figure 8 As shown, the power component 91 is a rotating component driven by the fluid. The rotating component is connected to the movable guide component 92 in a transmission manner. The flow channel adjustment assembly 9 also includes a fourth reset component 93, which applies a spring force to the movable guide component 92 to reduce the flow cross section.

[0089] The pipeline connection device of this invention, through the setting of the fourth reset member 93, enables the guide plate to automatically retract and reset when the flow rate decreases, thereby achieving bidirectional adaptive adjustment.

[0090] In some embodiments, the rotating component is an impeller, which is connected to the movable guide component 92 via a rotating rod 95. When the coolant flow rate increases, the impeller overcomes the elastic force of the fourth reset component 93 to rotate, thereby driving the movable guide component 92 to expand the flow cross section.

[0091] Specifically, the impeller is fixedly connected to the rotating rod 95, which is rotatably connected to a fixed seat (not shown) inside the second connector 2. A rotating frame 94 is also fixedly connected to the rotating rod 95. Multiple extrusion grooves 98 are formed on the outer periphery of the rotating frame 94, extending in an arc shape. Each movable guide member 92 slides into its corresponding extrusion groove 98 via a pin 97. The fourth reset member 93 is an arc-shaped spring, one end of which is fixedly connected to a fixed plate 96 on the inner wall of the second connector 2, and the other end is fixedly connected to the rotating frame 94. Multiple fixed plates 96 are arranged circumferentially along the inner wall of the second connector 2. When the coolant flow rate increases, the liquid flow impacts the impeller, generating torque, which drives the rotating frame 94 to rotate against the elastic force of the arc spring. As the squeezing groove 98 rotates with the rotating frame 94, it pushes the pin 97 through the groove wall, causing the guide plate to slide outward radially, thus expanding the flow cross section. When the flow rate decreases, the impeller driving force weakens, the arc spring pushes the rotating frame 94 to rotate in the opposite direction, and the squeezing groove 98 drives the pin 97 to cause the guide plate to retract inward, thus reducing the flow cross section.

[0092] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0093] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0094] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0095] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0096] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0097] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A pipe connection device, characterized in that, include: First connector (1), the first connector (1) is provided with a first flow channel (11); The second connector (2) is provided with a second flow channel (21). The second connector (2) is detachably connected to the first connector (1) so that the first flow channel (11) and the second flow channel (21) are connected. A blocking assembly (3) is movably disposed on the first connector (1) to block the first flow channel (11) when the second connector (2) is separated from the first connector (1). The pressure relief assembly (4) includes a pressure relief channel (41) that communicates with the first flow channel (11) and is used to contain at least a portion of the fluid in the first flow channel (11) during the separation of the second connector (2) from the first connector (1). Linkage component (5), wherein the linkage component (5) is disposed between the sealing component (3) and the pressure relief component (4); When the second connector (2) is separated from the first connector (1), the sealing component (3) moves in the direction of sealing the first flow channel (11), and the sealing component (3) drives the pressure relief channel (41) to open through the linkage component (5), so that some fluid in the first flow channel enters the pressure relief channel (41) before the sealing component (3) seals the first flow channel (11). The linkage component (5) includes a driving component (51) and a mating component (52). The driving component (51) is linked with the sealing component (3), and the mating component (52) is linked with the pressure relief component (4). When the sealing component (3) moves, it drives the driving component (51) to move. The driving component (51) drives the mating component (52) to move to open the pressure relief channel (41). One of the driving member (51) and the mating member (52) is provided with an inclined surface, and the other is in contact with the inclined surface to convert the movement of the sealing assembly (3) along the first direction into the movement of the mating member (52) along the second direction, the second direction being at an angle to the first direction; The pressure relief assembly (4) further includes a pressure relief chamber (42) and a first reset member (43). The pressure relief channel (41) is formed in the pressure relief chamber (42). The pressure relief assembly (4) further includes a movable member (44). The movable member (44) is disposed in the pressure relief chamber (42) and is used to open or close the pressure relief channel (41). The first reset member (43) is disposed between the movable member (44) and the pressure relief chamber (42). The first reset member (43) is used to apply an elastic force to the movable member (44) to close the pressure relief channel (41). The sealing assembly (3) includes a sealing member (31) and a second reset member (32). The sealing member (31) is movably disposed in the first connector (1) to seal or open the first flow channel (11). The second reset member (32) is disposed between the sealing member (31) and the first connector (1). The second reset member (32) is used to apply an elastic force to the sealing member (31) to seal the first flow channel (11).

2. The pipeline connection device according to claim 1, characterized in that, The first connector (1) is provided with a support seat (13), the sealing member (31) is slidably supported on the support seat (13), and the second reset member (32) is sleeved on the sealing member (31) with one end abutting against the sealing member (31) and the other end abutting against the support seat (13).

3. The pipeline connection device according to claim 1, characterized in that, The plug (31) is axially movable along the first connector (1), the first flow channel (11) has a sealing section (111), the flow section of the sealing section (111) gradually decreases in the direction close to the second connector (2), and the plug (31) has an outer contour adapted to the sealing section (111).

4. The pipeline connection device according to claim 1, characterized in that, The second connector (2) is provided with a pusher (22). When the second connector (2) is connected to the first connector (1), the pusher (22) pushes the sealing member (31) to overcome the elastic force of the second reset member (32) so that the sealing member (31) opens the first flow channel (11).

5. The pipeline connection device according to claim 1, characterized in that, The elastic force of the first reset member (43) is less than that of the second reset member (32) so that the pressure relief channel (41) remains open before the sealing member (31) seals the first flow channel (11).

6. The pipeline connection device according to claim 1, characterized in that, It also includes an anti-detachment component (8), which includes a first locking member and a second locking member. The first locking member is located on the first connector (1), and the second locking member is located on the second connector (2). One of the first locking member and the second locking member is provided with a locking member (81), and the other is provided with a locking groove (82). After the first connector (1) and the second connector (2) are connected, the locking member (81) is engaged in the locking groove (82) to lock the first connector (1) and the second connector (2).

7. The pipeline connection device according to claim 6, characterized in that, The snap-fit ​​member (81) is movably disposed and has a snap-fit ​​position and a clearance position. The anti-detachment component (8) further includes a third reset member (85), which is used to apply a spring force toward the snap-fit ​​position to the snap-fit ​​member (81). The snap-fit ​​component (81) is provided with a guide slope (811). During the docking process, the guide slope (811) is squeezed, causing the snap-fit ​​component (81) to overcome the elastic force of the third reset component (85) and enter the clearance position to achieve automatic engagement.

8. The pipeline connection device according to claim 6, characterized in that, The first snap-fit ​​component is provided with the snap-fit ​​groove (82), and the second snap-fit ​​component is provided with the receiving groove (84). The first snap-fit ​​component is received in the receiving groove (84). When the first connector (1) and the second connector (2) are connected, after the first snap-fit ​​component and the second snap-fit ​​component are rotated relative to each other in the circumferential direction, the snap-fit ​​component (81) is snapped into the snap-fit ​​groove (82).

9. The pipeline connection device according to claim 1, characterized in that, It also includes a flow channel adjustment component (9), which is disposed in the first connector (1) and / or the second connector (2). The flow channel adjustment component (9) includes a power component (91) and a movable guide component (92). The power component (91) is driven by the flowing coolant to move, thereby driving the movable guide component (92) to move, thereby changing the size of the flow cross section.

10. The pipeline connection device according to claim 9, characterized in that, The power component (91) is a rotating component that is driven by fluid. The rotating component is connected to the movable guide component (92) in a transmission connection. The flow channel adjustment assembly (9) also includes a fourth reset component (93). The fourth reset component (93) applies an elastic force to the movable guide component (92) to reduce the flow cross section.

11. The pipeline connection device according to claim 10, characterized in that, The rotating component is an impeller, which is connected to the movable guide component (92) via a rotating rod (95). When the coolant flow rate increases, the impeller overcomes the elastic force of the fourth reset component (93) and rotates to drive the movable guide component (92) to expand the flow cross section.

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