Liquid-cooled plug, liquid-cooled plug-in device, and liquid-cooling system

Abstract

This application discloses a liquid-cooling plug, a liquid-cooling plug-in device, and a liquid-cooling system, relating to the technical field of server heat dissipation equipment. The liquid-cooling plug includes a first plug-in mechanism and a splash-proof mechanism. The first plug-in mechanism and the second plug-in mechanism are plugged together. The splash-proof mechanism is provided with a storage chamber for temporarily storing splashed liquid. The storage chamber is sleeved at the plug-in connection between the second plug-in mechanism and the first plug-in mechanism. When the second plug-in mechanism and the first plug-in mechanism are plugged together, one axial end of the storage chamber is sealed to the outer wall of the second plug-in mechanism, and the other end is sealed to the outer wall of the first plug-in mechanism. This application solves the technical problem of coolant directly splashing into the external environment, achieving the technical effect of improving the safety of the liquid cooling system.

Description

Technical Field

[0001] The present application relates to the technical field of server heat dissipation equipment, and in particular to a liquid cooling plug, a liquid cooling plug-in device, and a liquid cooling system. Background Art

[0002] In a liquid cooling system, a liquid cooling plug connects the coolant pipes to the heat dissipation components inside the server, ensuring smooth coolant circulation and removing heat. However, due to server vibrations, coolant pressure fluctuations, and loose plug connections, coolant can easily splash out of the plug. This can cause short circuits and corrosion to the server's internal electronic components, seriously impacting the server's normal operation and service life.

[0003] The current sealing structure of liquid-cooled plugs is not perfect. During the plug-in and unplugging process or when subjected to vibration, the coolant can easily seep out from the gap and splash. In addition, many liquid-cooled plugs are not equipped with special protective covers. During the plug-in and unplugging operation, the coolant may directly splash into the external environment, causing damage to surrounding equipment and personnel. Summary of the Invention

[0004] The present application provides a liquid cooling plug to at least solve the problem in the related art that the sealing structure is imperfect and the cooling liquid is directly splashed into the external environment.

[0005] The present application provides a liquid-cooled plug, comprising:

[0006] A first plug-in mechanism, configured to plug and mate with the second plug-in mechanism;

[0007] an anti-splashing mechanism, sleeved on the outer periphery of the first plug-in mechanism, the anti-splashing mechanism being provided with a receiving cavity for temporarily storing splashing liquid;

[0008] When the first plug-in mechanism and the second plug-in mechanism are in a plug-in state, the accommodating cavity is sleeved on the plug-in connection between the second plug-in mechanism and the first plug-in mechanism, and one axial end of the accommodating cavity is sealedly connected to the outer wall of the second plug-in mechanism, and the other end is sealedly connected to the outer wall of the first plug-in mechanism.

[0009] The present application also provides a liquid-cooled plug-in device, comprising a second plug-in mechanism, a sealing mechanism, and the above-mentioned liquid-cooled plug; the first plug-in mechanism of the liquid-cooled plug is plugged into and matched with the second plug-in mechanism.

[0010] The sealing mechanism is sleeved on the outer side wall of the second plug-in mechanism, and when the second plug-in mechanism is plugged into the first plug-in mechanism, the inner ring of the sealing mechanism is sealed with the outer side wall of the second plug-in mechanism, and the outer ring of the sealing mechanism is sealed with the inner side wall of the first plug-in mechanism.

[0011] The present application also provides a liquid cooling system, including a liquid cooling cabinet, a server chassis and the liquid cooling plug-in device described in any of the above items, wherein the first connection mechanism of the liquid cooling plug-in device is connected to the liquid cooling cabinet, and the second connection mechanism of the liquid cooling plug-in device is connected to the server chassis.

[0012] The beneficial effects of the present application are as follows: through the present application, since an anti-splash mechanism is provided, and the anti-splash mechanism is provided with a housing chamber capable of accommodating splashing liquid, the housing chamber is sleeved over the plug-in connection between the second plug-in mechanism and the first plug-in mechanism, and one axial end of the housing chamber is sealedly connected to the outer wall of the second plug-in mechanism, and the other end is sealedly connected to the outer wall of the first plug-in mechanism; the housing chamber of the anti-splash mechanism completely covers the plug-in connection between the second plug-in mechanism and the first plug-in mechanism, and the housing chamber is sealedly connected to the plug-in connection between the second plug-in mechanism and the first plug-in mechanism, which can effectively accommodate splashing liquid and prevent splashing liquid from leaking. Therefore, the technical problem of coolant directly splashing into the external environment can be solved, achieving the technical effect of improving the safety of the liquid cooling system. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0014] Figure 1 A schematic structural diagram of a liquid-cooled plug-in device provided in an embodiment of the present application.

[0015] Figure 2 This is a structural diagram of the combination of the second plug-in mechanism and the sealing mechanism provided in an embodiment of the present application.

[0016] Figure 3 This is a schematic structural diagram of the first plug body provided in an embodiment of the present application.

[0017] Figure 4 A schematic structural diagram of the first sealing ring provided in an embodiment of the present application.

[0018] Figure 5 A schematic structural diagram of the second sealing ring provided in an embodiment of the present application.

[0019] Figure 6 This is a schematic diagram of the structure of the liquid-cooled plug provided in an embodiment of the present application.

[0020] Figure 7 This is a schematic structural diagram of the second plug body provided in an embodiment of the present application.

[0021] Figure 8 A schematic structural diagram of the anti-splash mechanism provided in an embodiment of the present application.

[0022] Figure 9 A schematic structural diagram of the tightening strap provided in an embodiment of the present application.

[0023] Figure 10 A schematic structural diagram of the pressure balancing mechanism provided in an embodiment of the present application.

[0024] Figure 11 This is an exploded schematic diagram of the pressure balancing mechanism provided in an embodiment of the present application.

[0025] Figure 12 This is a structural schematic diagram of the connecting body and part of the pressure control components in the pressure balancing mechanism provided in an embodiment of the present application.

[0026] Figure 13 A schematic structural diagram of the pressure valve provided in an embodiment of the present application.

[0027] Figure 14 A schematic structural diagram of the base provided in an embodiment of the present application.

[0028] Figure 15 A schematic structural diagram of the fixing mechanism provided in an embodiment of the present application.

[0029] Figure 16 This is a schematic diagram of the structure of the floating mechanism and the fixing mechanism provided in an embodiment of the present application after being combined.

[0030] The above drawings include the following reference numerals:

[0031] 1- second plug-in mechanism;

[0032] 11-first plug body;

[0033] 111 - first plug-in portion, 1111 - sealing groove, 1112 - guide cone, 112 - first operating portion, 1121 - sealing groove, 113 - first connecting portion, 1131 - first external thread, 114 - first liquid flow channel;

[0034] 2-first plug-in mechanism;

[0035] 21- second plug body;

[0036] 211 - second plug-in portion, 2111 - operating section, 212 - pipe connecting portion, 2121 - second external thread, 213 - second connecting portion, 214 - gasket, 215 - second vent hole, 216 - second liquid flow channel;

[0037] 3- Sealing mechanism;

[0038] 31-first sealing ring, 32-second sealing ring;

[0039] 4- Anti-splash mechanism;

[0040] 41-elastic cover body, 411-accommodation chamber, 412-fluid accumulation chamber, 413-guiding tube;

[0041] 42-first sealing connection portion, 421-sealing protrusion;

[0042] 43-second sealing connection part, 431-threading hole, 432-tightening belt;

[0043] 5-pressure balancing mechanism;

[0044] 51-connecting body, 511-first vent hole, 512-internal thread;

[0045] 52-pressure control assembly;

[0046] 521-pressure control body, 5211-limiting structure, 5212-pressure balance chamber, 5213-positioning hole;

[0047] 522-pressure valve, 5221-rod-shaped structure, 5222-end structure, 5223-mounting groove, 5224-hemispherical structure;

[0048] 523- elastic member;

[0049] 524-base, 5241-positioning protrusion, 5242-spring limiting portion, 5243-installation protrusion, 5244-base body;

[0050] 6-Fixed mechanism;

[0051] 61-mounting body, 62-pipe connection structure, 63-guide pinhole, 64-screw through hole;

[0052] 7- floating mechanism;

[0053] 71-mounting seat, 72-floating connector, 73-floating spring. DETAILED DESCRIPTION

[0054] The following will be combined with the accompanying drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0055] It should be noted that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like, indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely for ease of description and simplification of the present application. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limiting the present application. The terms "mounted," "connected," and "connected" should be interpreted broadly, and may include, for example, fixed, removable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. The terms "parallel," "perpendicular," and "equal" encompass the described conditions and conditions similar to the described conditions, provided that the range of the similar conditions is within an acceptable range of deviation, as determined by a person of ordinary skill in the art taking into account the measurement in question and the errors associated with the measurement of the particular quantity (i.e., the limitations of the measurement system). For example, "parallel" includes both absolute parallelism and approximate parallelism, where the acceptable deviation range for approximate parallelism may be, for example, within 5°; "perpendicular" includes both absolute perpendicularity and approximate perpendicularity, where the acceptable deviation range for approximate perpendicularity may also be, for example, within 5°. "Equal" includes both absolute equality and approximate equality, where the acceptable deviation range for approximate equality may be, for example, that the difference between the two is less than or equal to 5% of either. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0056] In order to enable those skilled in the art to better understand the present application, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0057] An embodiment of the present application provides a liquid-cooling plug, comprising a first plug-in mechanism 2 and a splash-proof mechanism 4. The first plug-in mechanism 2 is configured to engage with a second plug-in mechanism 1; the splash-proof mechanism 4 is disposed within the first plug-in mechanism 2 and includes a housing 411 for temporarily storing splashed liquid; when the first plug-in mechanism 2 is engaged with the second plug-in mechanism 1, the housing 411 is sleeved over the connection between the second plug-in mechanism 1 and the first plug-in mechanism 2, with one axial end of the housing 411 being sealed to the outer wall of the second plug-in mechanism 1 and the other end being sealed to the outer wall of the first plug-in mechanism 2.

[0058] The anti-splash mechanism 4 in the present application can be configured as a soft material. The soft material anti-splash mechanism 4 can better fit with the outer wall of the second plug-in mechanism 1 and the outer wall of the first plug-in mechanism 2 during the assembly process, facilitating the sealing of the anti-splash mechanism 4 with the outer wall of the second plug-in mechanism 1 and the outer wall of the first plug-in mechanism 2. In addition, the accommodating cavity 411 of the anti-splash mechanism 4 in this specific embodiment needs to be sleeved on the plug connection between the second plug-in mechanism 1 and the first plug-in mechanism 2. The anti-splash mechanism 4 is configured as a soft material. During the actual assembly process, the anti-splash mechanism 4 can be deformed to a certain extent according to actual needs, thereby facilitating assembly.

[0059] Of course, the anti-splash mechanism 4 in the present application can also be set to a plastic material or a hard material part, which is determined according to actual conditions and will not be elaborated here.

[0060] During actual use, one end of the first plug-in mechanism 2 can be connected to the pipeline to be connected first, and the anti-splash mechanism 4 can be installed on the first plug-in mechanism 2. During the plug-in process, the other end of the first plug-in mechanism 2 is plugged into the other end of the second plug-in mechanism 1. After plug-in, one end of the anti-splash mechanism 4 is sealed with the outer wall of the second plug-in mechanism 1, and the other end is sealed with the outer wall of the first plug-in mechanism 2.

[0061] In this specific embodiment, the accommodating chamber 411 of the anti-splashing mechanism 4 is sleeved on the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2. The sleeve setting method makes it convenient to set the anti-splashing mechanism 4 as an integrated structure. During the assembly process, there is no gap in the circumference of the accommodating chamber 411, which can effectively prevent the splashing liquid from leaking from the circumferential gap of the accommodating chamber 411. In addition, one axial end of the accommodating chamber 411 in this specific embodiment is sealed with the outer wall of the second plug-in mechanism 1, and the other end is sealed with the outer wall of the first plug-in mechanism 2, which can effectively prevent the splashing liquid from leaking from the two axial ends of the accommodating chamber 411. Therefore, the accommodating chamber 411 completely seals the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2 inside, which can effectively prevent the splashing liquid from leaking to the external environment.

[0062] Through this specific embodiment, since the anti-splash mechanism 4 is provided, and the anti-splash mechanism 4 is provided with a accommodating chamber 411 capable of accommodating splashing liquid, the accommodating chamber 411 is sleeved on the plug connection between the second plug mechanism 1 and the first plug mechanism 2, and one axial end of the accommodating chamber 411 is sealed to the outer wall of the second plug mechanism 1, and the other end is sealed to the outer wall of the first plug mechanism 2; the accommodating chamber 411 of the anti-splash mechanism 4 completely covers the plug connection between the second plug mechanism 1 and the first plug mechanism 2, and the accommodating chamber 411 is sealed to the plug connection between the second plug mechanism 1 and the first plug mechanism 2, which can effectively accommodate splashing liquid and prevent the splashing liquid from leaking. Therefore, the technical problem of coolant directly splashing into the external environment can be solved, achieving the technical effect of improving the safety of the liquid cooling system.

[0063] In another specific embodiment, the anti-splashing mechanism 4 includes an elastic cover body 41, a first sealing connection part 42, and a second sealing connection part 43; the elastic cover body 41 is a cylindrical structure, and a accommodating chamber 411 and a liquid accumulation chamber 412 for communicating with the accommodating chamber 411 are provided in the elastic cover body 41; when the second plug-in mechanism 1 is in a plug-in state with the first plug-in mechanism 2, the liquid accumulation chamber 412 is located at the lower side of the accommodating chamber 411; the splashing liquid flows through the accommodating chamber 411 to the liquid accumulation chamber 412 under the action of gravity, and the liquid accumulation chamber 412 is provided with a guide tube 413 for draining the liquid; the first sealing connection part 42 is provided at one axial end of the elastic cover body 41, and the first sealing connection part 42 is used to be sealed and connected to the second plug-in mechanism 1; the second sealing connection part 43 is provided at the other axial end of the elastic cover body 41, and the second sealing connection part 43 is used to be sealed and connected to the first plug-in mechanism 2.

[0064] During actual use, if liquid splashes during the plugging process of the second plug-in mechanism 1 and the first plug-in mechanism 2, the splashed liquid is first collected in the sealed cavity. The splashed liquid in the sealed cavity flows to the liquid accumulation cavity 412 under the action of gravity and is temporarily stored in the liquid accumulation cavity 412. When the splashed liquid in the liquid accumulation cavity 412 reaches a certain amount, the guide tube 413 can be controlled to open to discharge the splashed liquid in the liquid accumulation cavity 412. Of course, the guide tube 413 can also be connected to an external liquid collection box, and the splashed liquid in the liquid accumulation cavity 412 will flow out to the liquid collection box through the guide tube 413 in real time.

[0065] like Figure 8As shown, the radial dimensions of the first sealing connection portion 42 and the second sealing connection portion 43 are both smaller than the radial dimensions of the sealed cavity. This arrangement allows a certain gap to exist between the plug-in connection of the second plug-in mechanism 1 and the first plug-in mechanism 2 and the inner sidewall of the sealed cavity, ensuring that the space required to collect splashed liquid in the accommodating cavity 411 meets the requirements. Furthermore, the gap between the first sealing connection portion 42 and the outer sidewall of the second plug-in mechanism 1, and the gap between the second sealing connection portion 43 and the outer sidewall of the first plug-in mechanism 2, can also be minimized to facilitate a sealed connection.

[0066] In this specific embodiment, the first sealing connection part 42 and the outer side wall of the second plug-in mechanism 1 can be sealed by means of plug-in connection or setting of a sealing ring; the second sealing connection part 43 and the outer side wall of the first plug-in mechanism 2 can be sealed by means of plug-in connection or setting of a sealing ring, etc. The specific connection is determined according to actual conditions and will not be elaborated here.

[0067] In this specific embodiment, the partitioned structure of the accommodating chamber 411 and the liquid accumulation chamber 412, combined with the effect of gravity, allows the splashed liquid to flow quickly and directionally to the liquid accumulation chamber 412, preventing the liquid from being retained in the critical connection area. The active drainage design of the guide tube 413 further reduces the risk of residual liquid accumulation and reduces corrosion or cross-contamination; the first sealing connection part 42 and the second sealing connection part 43 form a double barrier to block the liquid overflow path at the source, which is particularly suitable for high-pressure or high-flow rate scenarios and significantly improves environmental cleanliness. In addition, the cylindrical elastic material not only provides deformation buffering to adapt to different sizes of plug-in components (tolerance compatibility), but also maintains structural stability during mechanical vibration or plug-in and plug-out operations, reducing wear caused by rigid friction. The cylindrical structure forms a 360-degree protective barrier, and cooperates with the diversion system to immediately transfer dangerous liquids (such as corrosive media and high-temperature fluids), reducing the risk of contact for operators.

[0068] In one embodiment, the accommodating cavity 411 and the liquid accumulation cavity 412 are arranged in a stepped manner, and the liquid accumulation cavity 412 protrudes from the outer surface of the accommodating cavity 411 .

[0069] During the use of the liquid-cooled plug provided in this specific embodiment, the liquid splashed out during the plugging process between the second plug-in mechanism 1 and the first plug-in mechanism 2 will first be collected in the accommodating chamber 411. Since the liquid accumulation chamber 412 is located at the lower side of the accommodating chamber 411, under the action of gravity, the splashed liquid in the accommodating chamber 411 will flow into the liquid accumulation chamber 412; and the liquid accumulation chamber 412 protrudes from the outer surface of the accommodating chamber 411, which is convenient for collecting the splashed liquid and avoiding the splashed liquid from being retained in the accommodating chamber 411 for a long time.

[0070] In this specific embodiment, the step difference forms a liquid level potential energy difference, so that the splashing droplets slide quickly along the inclined surface after colliding with the inner wall of the elastic cover, which is convenient for collecting the splashing liquid; in addition, when the second plug-in mechanism 1 and the first plug-in mechanism 2 are in the plugged state, the liquid accumulation chamber 412 is located at the lower side of the accommodating chamber 411, which is convenient for the splashing liquid to flow to the liquid accumulation chamber 412 by gravity without the need for external force, which can effectively simplify the structure of the liquid cooling plug and reduce costs.

[0071] In a specific embodiment, the second sealing connection part 43 includes a tightening band 432, the second sealing connection part 43 is an elastic structure, and the second sealing connection part 43 is circumferentially provided with multiple threading holes 431, and the tightening band 432 is passed through the threading holes 431 to tighten the second sealing connection part 43.

[0072] In actual use, Figure 9 As shown, the tightening band 432 is in a spline shape. During the threading process, the tightening band 432 crosses through the threading hole 431 of the second sealing connection part 43 to control the tightening of the second sealing connection part 43 and ensure the sealing of the device.

[0073] In this specific embodiment, the second sealing connection part 43 is tightened to a sealed fit with the outer wall of the first plug-in mechanism 2 by tightening the strap 432. Since the second sealing connection part 43 has a certain elasticity, it can be applied to first plug-in mechanisms 2 of different radial sizes; in addition, the two ends of the elastic cover body 41 are sealedly connected with the second plug-in mechanism 1 and the first plug-in mechanism 2 through the first sealing connection part 42 and the second sealing connection part 43 respectively, so that the anti-splash mechanism 4 forms a protective barrier at the plug-in connection with the second plug-in mechanism 1 and the first plug-in mechanism 2 to prevent the splashing liquid from leaking into the external environment.

[0074] During actual use, since the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2 is prone to liquid leakage under long-term use, in order to avoid liquid leakage from affecting the normal operation of the device and at the same time avoid liquid waste, a leakage alarm can be included. A leakage detection component is provided in the elastic cover body 41, and the leakage detection component is connected to the leakage alarm. When the leakage information detected by the leakage detection component is greater than the preset leakage value, the leakage alarm issues a warning message.

[0075] It should be noted that the leakage detection component in this specific embodiment can be set as a leakage detection patch, or as a liquid level detection structure, or as other leakage detection structures that meet the requirements. The specific details are determined according to actual conditions and will not be elaborated here.

[0076] During actual use, when the leakage detection component is a leakage detection patch, the leakage detection patch can be attached to the inner wall of the elastic cover body 41. In the initial stage of the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2, there may be splashing liquid. At this time, the leakage information detected by the leakage detection component is the splashing information of the splashing liquid; after the second plug-in mechanism 1 and the first plug-in mechanism 2 are plugged in, the leakage detection component will detect the leakage information in the elastic cover body 41 in real time. Specifically, the leakage information can be the liquid level information of the leakage in the liquid accumulation chamber 412. When the liquid level information in the liquid accumulation chamber 412 is found to increase, it means that there is leakage at the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2. At this time, the leakage alarm can be controlled to issue a warning message to notify the staff of the leakage information in time. Alternatively, a slight leakage will not affect the normal operation of the device, and the leakage information can be used to pay attention to the leakage amount at the plug connection between the second plug mechanism 1 and the first plug mechanism 2. When the leakage information per unit time shows that the leakage amount at the plug connection between the second plug mechanism 1 and the first plug mechanism 2 is greater than the preset leakage value, the leakage alarm is controlled to issue a warning message and notify the staff of the leakage information in a timely manner; when the leakage information per unit time shows that the leakage amount at the plug connection between the second plug mechanism 1 and the first plug mechanism 2 is less than the preset leakage value, continue to observe the relevant situation and do not issue a warning message for the time being.

[0077] Of course, the liquid leakage detection component in this specific embodiment can also be arranged at the plug connection between the second plug mechanism 1 and the first plug mechanism 2. The specific arrangement depends on the actual situation and will not be elaborated here.

[0078] The leakage alarm in this specific embodiment can be set as a buzzer or a warning light. The leakage alarm can be installed on the outer wall of the liquid cooling plug, or the leakage alarm can be connected to an external control device so that the staff can obtain leakage information in time during remote control.

[0079] In this specific embodiment, by providing a liquid leakage detection component and a liquid leakage alarm, during actual use, when there is liquid leakage at the plug connection between the second plug-in mechanism 1 and the first plug-in mechanism 2, the liquid leakage information at the plug connection between the second plug-in mechanism 1 and the first plug-in mechanism 2 can be obtained in time, so that the staff can respond in time and avoid increasing costs or affecting the normal operation of the device due to liquid leakage.

[0080] In a specific embodiment, the liquid-cooling plug also includes a pressure balancing mechanism 5 arranged in the first plug-in mechanism 2, and the pressure balancing mechanism 5 is provided with a pressure balancing chamber 5212 for communicating with the liquid flow channel in the first plug-in mechanism 2. When the pressure in the liquid flow channel is greater than the preset pressure value, the pressure balancing chamber 5212 is in an open state to release the pressure; when the pressure in the liquid flow channel is less than the preset pressure value, the pressure balancing chamber 5212 is in a closed state.

[0081] During actual use, when the pressure in the liquid flow channel is greater than the preset pressure value, the pressure balance chamber 5212 is in an open state to release the pressure, and the excess pressure is released through the bypass or pressure relief port to prevent damage to the pipeline or seals; when the pressure in the liquid flow channel is less than the preset pressure value, the pressure balance chamber 5212 is in a closed state, and the fluid flows along the designed flow channel without affecting the normal operation of the system.

[0082] The pressure balancing mechanism 5 in this embodiment significantly improves the safety, reliability, and cost-effectiveness of the liquid cooling plug through its dual-action regulation of automatic pressure relief and low-pressure protection. It is particularly suitable for industrial systems subject to frequent pressure fluctuations or demanding sealing integrity. Its adaptive mechanism and modular design make it a key safety component in complex fluid control scenarios. Furthermore, the simple and effective design of the pressure balancing mechanism 5 eliminates the problem of coolant splashing, leakage, and even explosion caused by excessive internal pressure in the liquid cooling pipes, thereby increasing the operational stability of the liquid cooling system and improving the performance of the server components.

[0083] On the basis of the above embodiments, the pressure balancing mechanism 5 can include a connecting body 51 and a pressure control component 52, wherein the connecting body 51 is arranged on the second plug-in mechanism 1 or the first plug-in mechanism 2; the connecting body 51 is provided with a first vent hole 511 for communicating with the liquid flow channel in the second plug-in mechanism 1 and the first plug-in mechanism 2; the pressure control component 52 is arranged on the connecting body 51, and the pressure control component 52 includes a pressure control body 521, a pressure valve 522, an elastic member 523 and a limiting structure 5211 arranged on the pressure control body 521, the pressure control body 521 is provided with a pressure balancing chamber 5212, the pressure balancing chamber 5212 is connected to the first vent hole 511, the pressure valve 522 is located in the pressure balancing chamber 5212, one end of the elastic member 523 abuts against the pressure valve 522, and the other end abuts against the limiting structure 5211.

[0084] When the pressure in the liquid flow channel is greater than the preset pressure value, the pressure valve 522 overcomes the elastic force of the elastic member 523 under the action of pressure and moves in a direction away from the first vent hole 511 to open the first vent hole 511; when the pressure in the liquid flow channel is less than the preset pressure value, the pressure valve 522 blocks the first vent hole 511 under the action of the elastic force of the elastic member 523.

[0085] The connecting body 51 in this specific embodiment is mainly used to realize the installation and fixation of the pressure control component 52. At the same time, the second vent hole 215 is provided to realize the communication between the pressure balance chamber 5212 and the liquid flow channels in the second plug-in mechanism 1 and the first plug-in mechanism 2.

[0086] In order to prevent the liquid in the liquid flow channel from being sprayed into the external environment through the pressure balance chamber 5212, a cover body for collecting the splashed liquid can be provided on the outside of the pressure control component 52, and a guide structure can be provided on the cover body to guide and collect the splashed liquid in the cover body.

[0087] In this specific embodiment, the preset pressure value can be adjusted by replacing different elastic members 523. Specifically, the elastic member 523 can be set as a spring.

[0088] The connection body 51 in this embodiment can be configured as follows Figure 12 The ring structure shown, such as Figure 10 As shown, the pressure control assembly 52 is arranged on the outer side wall of the connecting body 51. Figure 12 The inner wall of the connecting body 51 is provided with an internal thread 512, which cooperates with the second external thread 2121 of the pipe connecting portion 212 in the first plug-in mechanism 2; the first vent hole 511 is provided in the connecting body 51 and passes through the thickness direction of the connecting body 51.

[0089] like Figure 12 、 14 As shown, the pressure control assembly 52 includes a pressure control body 521 and a base 524. The pressure control body 521 is provided with a pressure balancing chamber 5212, a limiting structure 5211 and a positioning hole 5213. The base 524 is located at the top of the pressure control body 521, and the base 524 includes a positioning protrusion 5241, a spring limiting portion 5242, a mounting protrusion 5243 and a base body 5244; during the actual assembly process, the pressure valve 522 is located in the pressure balancing chamber 5212, one end of the elastic member 523 abuts against the pressure valve 522, and the other end abuts against the base body 5244, and the other end of the elastic member 523 is sleeved on the outer periphery of the mounting protrusion 5243 to achieve the positioning of the elastic member 523. The limiting structures 5211 are arranged in a circumferential array, effectively preventing the elastic member 523 from twisting or dislocating under pressure. The spring limiting portions 5242 are also arranged in a circumferential array, functioning similarly to the limiting structures 5211 and also effectively preventing the elastic member 523 from twisting or dislocating under pressure. The positioning holes 5213 in the pressure control body 521 cooperate with the positioning protrusions 5241 in the base 524 to guide the installation of the base 524 and prevent installation errors. Furthermore, the top of the positioning protrusions 5241 is beveled to facilitate the alignment of the base 524 with the connecting body 51, ensuring the coaxiality of the first vent 511.

[0090] The pressure-balancing mechanism 5 in this embodiment significantly improves the pressure stability, operational safety, and maintenance ease of the pipeline system through its modular structure, dynamic pressure response mechanism, and multiple safety features. The elastic member 523 sets the pressure threshold through preload, and the pressure valve 522 dynamically balances this pressure with the elastic force under the action of fluid pressure. When the flow channel pressure exceeds the preset value, the pressure valve 522 compresses the elastic member 523 to open, releasing the pressure. When the pressure decreases, the elastic member 523 pushes back to close the pressure valve 522, achieving adaptive pressure regulation. A limiter structure 5211 limits the maximum displacement of the pressure valve 522, preventing excessive opening that could lead to excessive pressure relief or structural damage. When the elastic member 523 rebounds, the limiter structure 5211 guides the pressure valve 522 to accurately reset, avoiding the risk of leakage caused by sealing surface deviation. By combining the core mechanism of elastic drive and limiter control with compact integration, material adaptation, and modular maintenance design, this pressure-balancing mechanism 5 achieves precise pressure management, rapid and safe response, and long-term stable operation, making it an indispensable pressure protection unit in complex fluid systems. Its technical advantages are particularly prominent under extreme working conditions such as high pressure, high frequency, and corrosion, significantly reducing the system failure rate and improving overall economic benefits.

[0091] On the basis of the above embodiment, the pressure valve 522 can include an end structure 5222 arranged in a stepped manner and a rod-shaped structure 5221 connected to the end structure 5222, and the end of the rod-shaped structure 5221 away from the end structure 5222 is a hemispherical structure 5224, and the hemispherical structure 5224 is used to cooperate with the first air vent 511 to block the first air vent 511; the side of the end structure 5222 away from the rod-shaped structure 5221 is provided with a mounting groove 5223, and one end of the elastic member 523 is located in the mounting groove 5223.

[0092] The top of the valve core is a hemispherical structure 5224. This hemispherical structure 5224 mates with the first vent hole 511 of the connecting body 51 and is larger than the radial dimension of the first vent hole 511. This ensures that the pressure valve 522 is completely in contact with the connecting body 51 when under pressure, providing air pressure isolation. The rod-shaped structure 5221 is inserted into the connecting body 51 to provide a connection. The installation groove 5223 facilitates the installation of the elastic member 523.

[0093] Specifically, the elastic member 523 can be configured as a spring.

[0094] In this embodiment, the pressure valve 522 significantly improves sealing reliability, motion stability, and ease of maintenance through the coordinated design of a stepped end structure 5222, a hemispherical sealing surface, and a mounting groove 5223. The stepped design disperses fluid pressure through layers of varying diameters, avoiding stress concentration and reducing the risk of deformation of the end structure 5222. The hemispherical structure 5224 forms line or surface contact with the first vent 511 when closed, maintaining sealing integrity through spherical adaptability even with minor misalignment or wear. The mounting groove 5223 secures the end of the elastic member 523, ensuring uniform transmission of compression along the valve stem axis and preventing lateral force components that could cause uneven wear on the sealing surface. The elastic member 523 and pressure valve 522 are integrated into the pressure control body 521, allowing for complete replacement in the event of damage without disassembling the flow path or connector, thus reducing downtime. Through geometric optimization and material innovation, the design of the pressure valve 522 in this embodiment achieves comprehensive improvements in sealing performance, dynamic response, and durability, making it a highly efficient and reliable pressure management unit in complex fluid systems. Its adaptive sealing mechanism and modular architecture are particularly suitable for industrial fields with strict requirements on safety, maintenance efficiency and multi-working condition compatibility.

[0095] In a specific embodiment, the liquid-cooling plug also includes a pressure alarm, and the pressure control component 52 also includes a pressure sensor arranged in the pressure balance chamber 5212. The pressure sensor is connected to the pressure alarm and is used to detect the pressure information in the pressure balance chamber 5212; when the pressure information detected by the pressure sensor is greater than the preset warning pressure value, the pressure alarm issues a warning message.

[0096] During actual use, when the pressure in the pressure balance chamber 5212 is too high, there is a certain safety hazard. Therefore, a pressure sensor is set. When the pressure information detected by the pressure sensor is greater than the preset warning pressure value, the pressure alarm issues a warning message. The staff can obtain the information that the pressure in the pressure balance chamber 5212 is too high in time and take emergency operations in time.

[0097] This specific embodiment achieves an upgrade from passive pressure relief to active warning by deeply coupling the pressure sensor, pressure alarm, and pressure balancing mechanism 5, significantly improving the safety, intelligence, and operational efficiency of the liquid-cooled plug. The pressure sensor is directly embedded in the pressure balancing chamber 5212, collecting real-time pressure data within the chamber. This eliminates the monitoring delay caused by pipeline damping in traditional external sensors and responds to pressure fluctuations in milliseconds. Through the coordinated integration of sensing, alarming, and pressure relief, pressure management is upgraded from "passive response" to "active defense + intelligent decision-making," significantly reducing the probability of safety accidents and operational costs, while also providing a data foundation for process optimization.

[0098] Based on the above embodiment, the number of pressure control components 52 can be set to multiple, and multiple pressure control components 52 are arranged at different circumferential positions of the connecting body 51, and the preset pressure values of the pressure valves 522 in different pressure control components 52 are different.

[0099] In actual use, if only one pressure control assembly 52 is provided, when the pressure in the pressure balancing chamber 5212 is relatively high, the pressure relief efficiency of the single pressure control assembly 52 is low, and the pressure in the pressure balancing chamber 5212 may not be relieved to meet the pressure requirement for a long time. Therefore, in this specific embodiment, multiple pressure balancing chambers 5212 are provided, and the preset pressure values of the multiple pressure balancing chambers 5212 are different. In actual use, when the pressure in the pressure balancing chamber 5212 reaches the lowest preset pressure value, the pressure balancing chamber 5212 of the corresponding pressure control assembly 52 is opened to relieve the pressure. If the pressure relief efficiency of a single pressure control assembly 52 does not meet the requirement and the pressure in the pressure balancing chamber 5212 continues to increase, the next pressure control assembly 52 is opened, and the pressure balancing chamber 5212 of the corresponding pressure control assembly 52 is opened, and the two pressure control assemblies 52 relieve the pressure simultaneously. In this way, if the pressure in the pressure balancing chamber 5212 continues to increase, the pressure balancing chambers 5212 of more pressure control assemblies 52 are opened to meet the pressure relief efficiency requirement.

[0100] In this specific embodiment, by distributing multiple pressure control components 52 circumferentially along the connecting body 51 and setting different preset pressure values, this design achieves hierarchical pressure management, redundant safety protection, and dynamic load balancing, significantly improving the reliability, adaptability, and maintenance efficiency of the system. Pressure valves 522 with different preset pressure values are triggered sequentially from low to high according to the threshold value. The low-pressure valve 522 prioritizes releasing slight overpressure, while the high-pressure valve 522 responds to extreme working conditions, avoiding wear caused by frequent opening and closing of a single valve body. When a pressure valve 522 is stuck or leaking, the remaining components can still respond normally, ensuring the continued safe operation of the system under partial faults. Through the multi-dimensional coordination of spatial distribution and pressure thresholds, traditional passive pressure relief is upgraded to intelligent hierarchical pressure management. While ensuring system safety, process continuity is maintained to the maximum extent and the life of key components is significantly extended.

[0101] The present application also provides a liquid-cooled plug-in device, comprising a second plug-in mechanism, a sealing mechanism and the liquid-cooled plug described in any one of the above items; the first plug-in mechanism 2 of the liquid-cooled plug is plugged in and matched with the second plug-in mechanism 1; the sealing mechanism 3 is sleeved on the outer wall of the second plug-in mechanism 1, and when the second plug-in mechanism 1 is in a plug-in state with the first plug-in mechanism 2, the inner ring of the sealing mechanism 3 is sealed in and matched with the outer wall of the second plug-in mechanism 1, and the outer ring of the sealing mechanism 3 is sealed in and matched with the inner wall of the first plug-in mechanism 2.

[0102] The sealing mechanism 3 in the present application may include multiple sealing mechanisms 3. During actual use, different sealing structures are set at different axial positions of the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2, which can achieve multiple sealing of the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2 and improve the sealing effect.

[0103] In actual use, the sealing mechanism 3 can be first placed on the second plug-in mechanism 1, and one end of the second plug-in mechanism 1 can be connected to the pipeline to be connected. When the second plug-in mechanism 1 is plugged into and mated with the first plug-in mechanism 2, the inner ring of the sealing mechanism 3 seals against the outer wall of the second plug-in mechanism 1, and the outer ring of the sealing mechanism 3 seals against the inner wall of the first plug-in mechanism 2.

[0104] Through this specific embodiment, the inner ring of the sealing mechanism 3 seals against the outer side wall of the second plug-in mechanism 1, and the outer ring of the sealing mechanism 3 seals against the inner side wall of the first plug-in mechanism 2, thereby achieving an effective seal between the second plug-in mechanism 1 and the first plug-in mechanism 2. Therefore, the technical problem of imperfect sealing between the second plug-in mechanism 1 and the first plug-in mechanism 2 is solved, achieving the technical effect of improving the sealing effect between the second plug-in mechanism 1 and the first plug-in mechanism 2.

[0105] Based on the above embodiments, in a specific embodiment, one of the anti-splash mechanism 4 and the second plug-in mechanism 1 is provided with a sealing protrusion 421, the number of the sealing protrusions 421 is multiple, and the multiple sealing protrusions 421 are evenly distributed along the circumference of the anti-splash mechanism 4; the other one of the anti-splash mechanism 4 and the second plug-in mechanism 1 is provided with a sealing groove 1121 that cooperates with the sealing protrusion 421.

[0106] Specifically, such as Figure 8 As shown, the sealing protrusion 421 can be provided on the first sealing connection portion 42 .

[0107] like Figure 3 As shown, a plurality of sealing grooves 1121 are provided in the first plug body 11 along the circumferential direction. Figure 8 As shown, the first sealing connection portion 42 is circumferentially provided with a plurality of sealing protrusions 421 . In actual use, the sealing grooves 1121 are engaged with the sealing protrusions 421 to achieve a sealed connection between the first plug body 11 and the first sealing connection portion 42 .

[0108] The sealing protrusion 421 in this specific embodiment can be set as a wedge-shaped block. During the process of the sealing groove 1121 and the sealing protrusion 421 being engaged with each other, the inclined surface of the wedge-shaped block can play a certain guiding role, making it easier for the sealing protrusion 421 to enter the sealing groove 1121.

[0109] The sealing protrusion 421 can be set as an elastic structure. During the snap-fitting process between the sealing groove 1121 and the sealing protrusion 421, the sealing protrusion 421 undergoes a certain deformation, so that the sealing groove 1121 and the sealing protrusion 421 fit tightly together, which is beneficial to improving the sealing effect between the second plug-in mechanism 1 and the first sealing connection part 42.

[0110] In this embodiment, the sealing connection between the second plug-in mechanism 1 and the first sealing connection portion 42 of the anti-splash mechanism 4 is achieved through the snap-fitting engagement of the sealing groove 1121 and the sealing protrusion 421. Since the sealing groove 1121 and the sealing protrusion 421 are relatively close to each other along the axial direction in this embodiment to achieve snap-fitting engagement, the snap-fitting engagement between the sealing groove 1121 and the sealing protrusion 421 can be achieved simultaneously during the plug-fitting engagement between the second plug-in mechanism 1 and the first plug-fitting mechanism 2, facilitating operation. Furthermore, multiple sealing protrusions 421 are provided along the circumference. In actual use, the multiple protrusions form a series of sealing rings, which effectively improves the sealing effect.

[0111] On the basis of the above embodiments, in order to facilitate the alignment of the sealing groove 1121 and the sealing protrusion 421 in the circumferential direction during the plug-in mating process between the second plug-in mechanism 1 and the first plug-in mechanism 2, the anti-splashing mechanism 4 and one of the second plug-in mechanism 1 can be provided with a guide protrusion extending along the axial direction, and the other of the anti-splashing mechanism 4 and the second plug-in mechanism 1 can be provided with a guide groove for mating with the guide protrusion; when the guide protrusion and the guide groove are in the mating state, the sealing protrusion 421 and the sealing groove 1121 are arranged opposite each other, and the liquid accumulation chamber 412 is located at the lower side of the accommodating chamber 411.

[0112] Specifically, during the process of plugging and mating between the second plug-in mechanism 1 and the first plug-in mechanism 2, the guide protrusion is located in the guide groove, and the guide protrusion moves axially along the guide groove. At this time, the sealing protrusion 421 is opposite to the sealing groove 1121. When the second plug-in mechanism 1 and the first plug-in mechanism 2 move axially relative to each other to a preset position, the sealing protrusion 421 is just stuck in the sealing groove 1121, and when the second plug-in mechanism 1 and the first plug-in mechanism 2 are in the plug-in mating state, the liquid accumulation chamber 412 is located at the lower side of the accommodating chamber 411, so that the splashed liquid in the accommodating chamber 411 can flow smoothly into the liquid accumulation chamber 412 under the action of gravity.

[0113] In this specific embodiment, by providing a guide protrusion and a guide groove, the circumferential positioning of the second plug-in mechanism 1 and the first plug-in mechanism 2 during the plug-in process can be achieved, which facilitates the circumferential alignment of the sealing groove 1121 and the sealing protrusion 421, and also facilitates the restriction of the circumferential position of the liquid accumulation chamber 412, so that the splashed liquid in the accommodating chamber 411 can flow smoothly into the liquid accumulation chamber 412 under the action of gravity.

[0114] In a specific embodiment, in order to avoid the second plug-in mechanism 1 and the first plug-in mechanism 2 from not being properly plugged in or the second plug-in mechanism 1 and the first plug-in mechanism 2 from being over-plugged in, a snap-in protrusion can be provided on one of the second plug-in mechanism 1 and the first plug-in mechanism 2, and an elastic reset member is provided at the bottom of the snap-in protrusion; and a snap-in recess for cooperating with the snap-in protrusion can be provided on the other. Specifically, a snap-in protrusion can be provided on the outer wall of the second plug-in mechanism 1, and a snap-in recess can be provided on the inner wall of the first plug-in mechanism 2. The first plug-in mechanism 2 is sleeved on the outside of the second plug-in mechanism 1. The snap-in protrusion can be radially movable to a position flush with the outer wall of the second plug-in mechanism 1. When there is no external force, the snap-in protrusion extends to a position protruding from the outer wall of the second plug-in mechanism 1 under the elastic force of the elastic reset member, thereby achieving snap-in cooperation with the snap-in recess. In actual use, when the second plug-in mechanism 1 is plugged in and cooperated with the first plug-in mechanism 2, at the beginning, the snap-in protrusion is engaged. The connecting protrusion extends to a position protruding from the outer side wall of the second plug-in mechanism 1 under the elastic force of the elastic reset member. When the first plug-in mechanism 2 moves to a position covering the engaging protrusion, the engaging protrusion is squeezed by the inner side wall of the first plug-in mechanism 2 so as to be flush with the outer side wall of the second plug-in mechanism 1. When the first plug-in mechanism 2 and the second plug-in mechanism 1 move to a position where the engaging recess and the engaging protrusion cooperate during the plug-in process, the engaging protrusion extends to a position protruding from the outer side wall of the second plug-in mechanism 1 under the elastic force of the elastic reset member, thereby achieving a plug-in fit with the engaging recess. During the process of the engaging protrusion and the engaging recess achieving a plug-in fit, a sound indicating the collision of the engaging protrusion and the engaging recess is emitted, allowing the operator to promptly be informed that the second plug-in mechanism 1 and the first plug-in mechanism 2 are plugged into place.

[0115] It is also possible to provide an in-place detection member on one of the second plug-in mechanism 1 and the first plug-in mechanism 2, and provide an in-place protrusion for cooperating with the in-place detection member on the other. When the second plug-in mechanism 1 and the first plug-in mechanism 2 are plugged into place, the in-place protrusion contacts the in-place detection member, and the in-place detection member detects the in-place information. At this time, the in-place detection member sends an in-place signal, which can be a sound warning signal or a flashing in-place indicator light, which is determined according to actual conditions. When the operator observes the in-place signal, the plugging operation of the second plug-in mechanism 1 and the first plug-in mechanism 2 can be stopped.

[0116] In this specific embodiment, by providing the engaging protrusion and the engaging recess, information on whether the second plug-in mechanism 1 and the first plug-in mechanism 2 are plugged in place can be obtained in a timely manner, thereby avoiding the situation where the second plug-in mechanism 1 and the first plug-in mechanism 2 are not plugged in properly or are plugged in in an excessive manner. A position detection member and a position engaging protrusion can also be provided to promptly issue position engaging information when the second plug-in mechanism 1 and the first plug-in mechanism 2 are plugged in properly, thereby making the plugging and mating of the second plug-in mechanism 1 and the first plug-in mechanism 2 more convenient.

[0117] In a specific embodiment, the second plug-in mechanism 1 includes a first plug body 11, and the sealing mechanism 3 includes a first sealing ring 31 and a second sealing ring 32. A sealing groove 1111 for accommodating the first sealing ring 31 is provided at one end of the first plug body 11 inserted into the first plug-in mechanism 2, and the first sealing ring 31 is a stepped sealing ring; the second sealing ring 32 is sleeved on one end of the first plug body 11 facing away from the first plug-in mechanism 2.

[0118] like Figure 4 As shown, the first sealing ring 31 can be set as a stepped sealing ring, as shown in FIG. Figure 3 As shown, the first plug body 11 is provided with a sealing groove 1111 , and the first sealing ring 31 is clamped in the sealing groove 1111 .

[0119] The stepped seal ring has a stepped cross-section that adapts to pressure and conforms closely to the sealing surface, creating a multi-layered sealing barrier. This structure not only increases the contact area but also evenly distributes pressure, reducing localized stress.

[0120] The second sealing ring 32 is sleeved on the end of the first plug body 11 facing away from the first plug mechanism 2. During actual use, the end of the first plug body 11 where the second sealing ring 32 is provided needs to be connected to the pipe. The second sealing ring 32 is provided at the connection between the pipe and the first plug body 11 to achieve sealing between the pipe and the first plug body 11.

[0121] In this specific embodiment, the number of first sealing rings 31 can be set to multiple, and multiple first sealing rings 31 are arranged at axial intervals on the first plug body 11. When the first plug-in mechanism 2 is sleeved on the first plug body 11, multiple first sealing rings 31 can achieve multiple seals between the second plug-in mechanism 1 and the first plug-in mechanism 2, effectively improving the sealing effect.

[0122] By setting the first sealing ring 31, the sealing of the plug connection between the second plug-in mechanism 1 and the first plug-in mechanism 2 can be achieved, and setting the first sealing ring 31 as a stepped sealing ring can effectively improve the sealing effect; in addition, the setting of the second sealing ring 32 can achieve the sealing between the second plug-in mechanism 1 and the pipeline to which it is connected, and setting the second sealing ring 32 as an annular sealing ring can effectively prevent the liquid in the pipeline from splashing due to pressure fluctuations.

[0123] like Figure 3As shown, the first plug body 11 includes a first plug-in portion 111, a first operating portion 112 and a first connecting portion 113 arranged in sequence; the first plug-in portion 111 is used to be plugged into and matched with the first plug-in mechanism 2; the radial dimension of the first operating portion 112 is larger than the radial dimension of the first plug-in portion 111, and the first operating portion 112 is sealed and connected to the anti-splash mechanism 4 on the side facing the first plug-in portion 111; the first connecting portion 113 is provided with a first external thread 1131, and the second sealing ring 32 is sleeved on the first connecting portion 113 and in contact with the first operating portion 112.

[0124] During the actual setting process, a hexagonal wall surface can be set on the outer circle of the first operating part 112 to facilitate operation with tools such as wrenches, so as to screw the first plug assembly; a sealing groove 1121 can also be set on the side of the first operating part 112 facing the first plug-in part 111, and the sealing groove 1121 is used to cooperate with the sealing protrusion 421 in the anti-splash mechanism 4. When the second plug-in mechanism 1 and the first plug-in mechanism 2 are in the plug-in mating state, the sealing groove 1121 and the sealing protrusion 421 are snap-fitted. During the snap-fitting process of the sealing groove 1121 and the sealing protrusion 421, the relative movement direction is along the axial direction of the second plug-in mechanism 1, which is consistent with the plug-in direction of the second plug-in mechanism 1 and the first plug-in mechanism 2. During the snap-fitting process of the second plug-in mechanism 1 and the first plug-in mechanism 2, the snap-fitting of the sealing groove 1121 and the sealing protrusion 421 can be achieved. Specifically, the sealing groove 1121 can be set as a square opening with a certain depth, and the opening has a certain depth to facilitate the insertion and fixation of the sealing protrusion 421 in the anti-splashing mechanism 4.

[0125] like Figure 3 As shown, a guide cone 1112 is provided at the connection between the first plug-in portion 111 and the first operating portion 112 , and the guide cone 1112 guides the anti-splashing mechanism 4 so that the anti-splashing mechanism 4 moves along the guide cone 1112 to a position where the sealing groove 1121 is aligned with the sealing protrusion 421 .

[0126] The first plug body 11 includes a first liquid flow channel 114 . The inner wall of the first liquid flow channel 114 has been specially treated to have a smooth surface, thereby reducing resistance to the flow of the coolant.

[0127] The first connecting portion 113 is provided with a first external thread 1131 , which is connected to the pipe connected to the second plug-in mechanism 1 , or the first external thread 1131 is connected to the fixing mechanism 6 connected to the second plug-in mechanism 1 , which is determined according to actual conditions.

[0128] The first plug body 11 in this specific embodiment can be made of a high-strength, corrosion-resistant metal material, such as stainless steel. Of course, it can also be set to other materials that meet the requirements, which is determined according to actual conditions.

[0129] In this specific embodiment, through functional zoning, double sealing, and human-computer interaction optimization, the high reliability, ease of use and safety of the plug-in device are achieved, which is particularly suitable for industrial scenarios with strict requirements on sealing and operating efficiency. The radial size of the first operating part 112 is larger than the first plug-in part 111, forming a physical limit to prevent the plug-in from being too deep or offset, and ensuring accurate alignment during plug-in; after the first plug-in part 111 is matched with the first plug-in mechanism 2, the size difference of the operating part can suppress the axial movement of the plug under vibration or external force, thereby improving the connection stability. After the size of the operating part is enlarged, a larger gripping area is provided, which is convenient for manual force application, and is particularly suitable for small spaces or operation scenarios with gloves; the second sealing ring 32 is sleeved on the first connecting part 113 and is in close contact with the operating part to form an axial compression seal to prevent the medium from leaking along the thread gap. In addition, a quick connection with external equipment is achieved through standardized threads, which has strong adaptability.

[0130] In a specific embodiment, the first plug-in mechanism 2 includes a second plug body 21, and the second plug body 21 includes a second plug-in portion 211, a pipe connecting portion 212, and a second connecting portion 213 arranged in sequence; the second plug-in portion 211 is used to plug and cooperate with the first plug-in portion 111, and the outer side wall of the second plug-in portion 211 is provided with an operating section 2111 with a hexagonal cross-section; the pipe connecting portion 212 is provided with a second external thread 2121 for an external device; the second connecting portion 213 is provided with a tapered joint, and the cross-sectional size of the tapered joint gradually decreases from one end close to the pipe connecting portion 212 to the end away from the pipe connecting portion 212.

[0131] like Figure 7 As shown, the outer side wall of the second plug portion 211 of the second plug body 21 is provided with an operating section 2111 with a hexagonal cross section, and the operating section 2111 serves to facilitate the operation of the wrench tool; in the actual plug-in mating process, Figure 7 The second plug portion 211 of the second plug body 21 is sleeved on Figure 3 The outer periphery of the first plug portion 111 of the first plug body 11 is shown in FIG.

[0132] A second liquid flow channel 216 is formed within the second plug body 21. The inner wall of the second liquid flow channel 216 has been specially treated to create a smooth surface, reducing resistance to coolant flow. When the first and second plug bodies 11 and 21 are mated, the first liquid flow channel 114 communicates with the second liquid flow channel 216.

[0133] like Figure 7 As shown, the second connecting portion 213 is provided with a conical joint, and the provision of the conical joint facilitates the second plug-in portion 211 to be inserted into the interface of the liquid cooling cabinet.

[0134] The radial dimension of the pipe connecting portion 212 is greater than the radial dimension of the second connecting portion 213. When the second connecting portion 213 is inserted into the interface of the liquid cooling cabinet, the step between the pipe connecting portion 212 and the second connecting portion 213 can limit the liquid cooling cabinet. In addition, Figure 7 As shown, the pipe connecting portion 212 is provided with an external thread, and the external thread can be connected to the pressure balancing mechanism 5, so a second vent hole 215 is provided, and the second vent hole 215 is connected to the second liquid flow channel 216 in the second plug body 21 and the pressure balancing chamber 5212 in the pressure balancing mechanism 5; the pipe connecting portion 212 is provided with an annular limiting protrusion with a larger radial dimension, and a gasket 214 is provided on the side of the annular limiting protrusion facing the second connecting portion 213, and one circumferential side of the gasket 214 is in contact with the annular limiting protrusion, and the other side is in contact with the pressure balancing mechanism 5, so that the pressure balancing mechanism 5 can be tightened and positioned.

[0135] In order to ensure that the second vent hole 215 and the pressure balancing chamber 5212 can be connected after the pressure balancing mechanism 5 is installed on the second plug body 21, the second external thread 2121 of the pipeline connecting part 212 can be precisely designed, and positioning marks can be respectively set on the pressure balancing mechanism 5 and the second plug body 21. When the two positioning marks coincide in the circumferential position, the second vent hole 215 and the pressure balancing chamber 5212 can be connected.

[0136] In this specific embodiment, through the human-machine interaction optimization of the hexagonal operating section 2111, the adaptive sealing of the tapered joint and the flexible adaptation of the modular interface, high reliability, easy maintenance and applicability in a wide range of scenarios are achieved. It is particularly suitable for industrial connection scenarios with strict requirements on sealing level, operating efficiency and environmental adaptability. Among them, the angular structure of the hexagonal operating section 2111 can be adapted to standard wrench tools, providing uniform force points to avoid slipping, and is particularly suitable for high-torque operations under high-pressure scenarios; the hexagonal cross-section has directional identification, and the angle can be quickly aligned during insertion to prevent misinsertion. The progressive contact surface of the tapered joint automatically corrects the coaxiality during tightening, forming uniform radial pressure and improving sealing reliability; the tapered joint is compatible with pipes of different materials and can adapt to pipe diameter tolerances by adjusting the taper.

[0137] The present application also provides a liquid cooling system, which includes a liquid cooling cabinet, a server chassis, and a liquid cooling plug-in device of any of the above items, wherein the first plug-in mechanism 2 of the liquid cooling plug-in device is connected to the liquid cooling cabinet, and the second plug-in mechanism 1 of the liquid cooling plug-in device is connected to the server chassis.

[0138] In actual use, by plugging and matching the second plug-in mechanism 1 with the first plug-in mechanism 2, the liquid cooling cabinet and the liquid cooling pipeline of the server chassis can be connected to dissipate heat from the server chassis.

[0139] The liquid-cooling cabinet serves as the "heart" of the coolant circulation, responsible for coolant pressurization, temperature regulation, filtration, and flow distribution. It includes a pump group, heat exchanger, liquid storage tank, and control module. The pump group provides circulation power; the heat exchanger cools the returning warm coolant through external cold water or cold air; the liquid storage tank balances system pressure fluctuations and stores spare coolant; the control module integrates temperature, pressure, and flow sensors to monitor and adjust operating parameters in real time.

[0140] The server chassis includes cold plate type and immersion type. During the actual assembly process, the first plug-in mechanism 2 can be connected to the liquid cooling pipeline in the liquid cooling cabinet first, and the anti-splash mechanism 4 can be installed on the first plug-in mechanism 2, and the second plug-in mechanism 1 can be connected to the cooling structure in the server chassis. Then, the second plug-in mechanism 1 and the first plug-in mechanism 2 are plugged in and matched to realize the connection between the cooling structure in the server chassis and the liquid cooling pipeline in the liquid cooling cabinet; during the plug-in and matching process of the second plug-in mechanism 1 and the first plug-in mechanism 2, the anti-splash mechanism 4 and the outer wall of the second plug-in mechanism 1 are sealed.

[0141] The liquid cooling system in this specific embodiment is connected through the above-mentioned liquid cooling plug-in device when connecting the liquid cooling pipeline in the liquid cooling cabinet and the cooling structure in the server chassis. Since the liquid cooling plug-in device is provided with an anti-splashing mechanism 4, and the anti-splashing mechanism 4 is provided with a accommodating chamber 411 that can accommodate splashing liquid, the accommodating chamber 411 is sleeved on the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2, and one axial end of the accommodating chamber 411 is sealed with the outer wall of the second plug-in mechanism 1, and the other end is sealed with the outer wall of the first plug-in mechanism 2; the accommodating chamber 411 of the anti-splashing mechanism 4 completely covers the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2, and the accommodating chamber 411 is sealed with the plug-in connection between the second plug-in mechanism 1 and the first plug-in mechanism 2, which can effectively accommodate splashing liquid and prevent splashing liquid from leaking. Therefore, the technical problem of coolant directly splashing into the external environment can be solved, and the technical effect of improving the safety of the liquid cooling system can be achieved. This can effectively prevent the cooling liquid in the connecting pipes between the liquid cooling pipe in the liquid cooling cabinet and the cooling structure in the server chassis from leaking to the external environment.

[0142] Based on the above embodiment, the liquid cooling plug-in device also includes a fixing mechanism 6, which is fixed to the server chassis. The fixing mechanism 6 is provided with a pipe connection structure 62. One end of the pipe connection structure 62 is connected to the liquid cooling pipeline of the server chassis, and the other end of the pipe connection structure 62 is threadedly connected to the second plug-in mechanism 1.

[0143] like Figure 15As shown, the fixing mechanism 6 includes a mounting body 61 and a pipe connection structure 62. The mounting body 61 is die-cast, ensuring its own strength and the fixing strength of the liquid cooling plug thereon. The pipe connection structure 62 can be threaded and equipped with a locking nut. By tightening the locking nut, the second plug-in mechanism 1 and the coolant pipe are firmly connected together. The mounting body 61 is provided with a screw hole 64, which serves as a bottom hole for locking the floating mechanism 7 and the fixing mechanism 6 together. Of course, in the absence of the floating mechanism 7, the fixing mechanism 6 can also be fixed to the server chassis through the screw hole 64.

[0144] During the actual assembly process, in order to enable the server chassis to be positioned and installed when connected to the liquid cooling cabinet, a guide pin can be set on one of the liquid cooling cabinet and the fixing mechanism 6, and a guide pin hole 63 for cooperating with the guide pin can be set on the other of the liquid cooling cabinet and the fixing mechanism 6. Both the guide pin and the guide pin hole 63 are set along the axial extension of the second plug-in mechanism 1.

[0145] In this specific embodiment, by setting the guide pin and the guide pin hole 63, guidance can be performed during the installation of the server chassis. At the same time, the cooperation between the guide pin hole 63 and the guide pin can limit the installation of the fixing mechanism 6 to improve the installation accuracy of the fixing mechanism 6.

[0146] The fixing mechanism 6 in this specific embodiment serves to connect the cooling pipes in the server chassis with the second plug-in mechanism 1. During the assembly process, the fixing mechanism 6 can be installed on the server chassis in advance, and then the second plug-in mechanism 1 can be installed on the fixing mechanism 6, which facilitates the installation of the second plug-in mechanism 1 and simplifies the installation process. In addition, the setting of the fixing mechanism 6 can effectively ensure that the liquid cooling plug-in device always maintains a secure connection during the operation of the server. The guide pinhole 63 and floating mechanism 7 of the fixing mechanism 6 solve the problem of structural damage and channel leakage caused by inaccurate blind plugging of the liquid cooling head, ensure the normal circulation of the coolant, and improve the stability of the liquid cooling system.

[0147] In a specific embodiment, the liquid cooling system also includes a floating mechanism 7, which includes a mounting seat 71 fixed to the liquid cooling cabinet and a floating connector 72 connected to the fixing mechanism 6. The mounting seat 71 is provided with a floating hole, and the floating connector 72 is connected to the fixing mechanism 6 through the floating hole. The radial dimension of the floating hole is larger than the radial dimension of the floating connector 72, so that the fixing mechanism 6 can move radially relative to the floating mechanism 7; a floating spring 73 is provided on the outer periphery of the floating connector 72, one end of the floating spring 73 abuts against the mounting seat 71, and the other end abuts against the fixing mechanism 6, so that the fixing mechanism 6 can move axially relative to the floating mechanism 7.

[0148] like Figure 16As shown, the mounting seat 71 of the floating mechanism 7 can be fixed on the server chassis, and the mounting seat 71 is provided with a floating hole. The aperture of the floating hole is larger than the radial size of the floating connector 72. The floating connector 72 can move in any radial direction in the floating hole. The other end of the floating connector 72 is fixed to the fixing mechanism 6, and the fixing mechanism 6 is connected to the second plug-in mechanism 1; in addition, the outer periphery of the floating connector 72 is sleeved on the floating spring 73, and one end of the floating spring 73 abuts against the mounting seat 71, and the other end abuts against the fixing mechanism 6, so that the fixing mechanism 6 can be moved axially relative to the floating mechanism 7.

[0149] During the process of plugging the second plug-in mechanism 1 into the first plug-in mechanism 2, since the second plug-in mechanism 1 is connected to the fixing mechanism 6, the fixing mechanism 6 can move radially and axially relative to the mounting seat 71. Therefore, the second plug-in mechanism 1 can move radially and axially relative to the mounting seat 71. When there is a positional deviation between the second plug-in mechanism 1 and the first plug-in mechanism 2, the second plug-in mechanism 1 can be aligned with the first plug-in mechanism 2 by adjusting the radial position of the second plug-in mechanism 1 relative to the mounting seat 71, which is conducive to improving the success rate of plug-in mating during blind plugging. In addition, since the second plug-in mechanism 1 is axially movable relative to the mounting seat 71, when the second plug-in mechanism 1 is plugged into the first plug-in mechanism 2, the collision between the second plug-in mechanism 1 and the first plug-in mechanism 2 can be avoided, which can effectively buffer the plug-in force and improve the plug-in effect.

[0150] The above is a detailed introduction to a liquid-cooled plug, a liquid-cooled plug-in device, and a liquid-cooling system provided by the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A liquid cooling plug, characterized in that: include: A first plug-in connection mechanism (2) is used for plugging and mating with the second plug-in connection mechanism (1); An anti-splash mechanism (4) is sleeved on the outer periphery of the first plug-in mechanism (2), and the anti-splash mechanism (4) is provided with a receiving chamber (411) for temporarily storing splashed liquid; the anti-splash mechanism (4) comprises an elastic cover body (41), and the elastic cover body (41) is provided with the receiving chamber (411) and a liquid accumulation chamber (412) for communicating with the receiving chamber (411); when the second plug-in mechanism (1) is in a plugged state with the first plug-in mechanism (2), the liquid accumulation chamber (412) is located at a lower side of the receiving chamber (411), and the liquid accumulation chamber (412) is provided with a guide tube (413) for draining liquid; When the first plug-in mechanism (2) and the second plug-in mechanism (1) are in a plug-in state, the accommodating cavity (411) is sleeved on the plug-in connection between the second plug-in mechanism (1) and the first plug-in mechanism (2), and one axial end of the accommodating cavity (411) is sealedly connected to the outer wall of the second plug-in mechanism (1), and the other end is sealedly connected to the outer wall of the first plug-in mechanism (2).

2. The liquid cooling plug according to claim 1, wherein: The elastic cover body (41) is a cylindrical structure, and the anti-splashing mechanism (4) further comprises: a first sealing connection portion (42) provided at one axial end of the elastic cover body (41), the first sealing connection portion (42) being used for sealing connection with the second plug-in mechanism (1); The second sealing connection portion (43) is provided at the other axial end of the elastic cover body (41), and the second sealing connection portion (43) is used for sealing connection with the first plug-in mechanism (2).

3. The liquid cooling plug according to claim 2, wherein: The accommodating cavity (411) and the liquid accumulation cavity (412) are arranged in a stepped manner, and the liquid accumulation cavity (412) protrudes from the outer surface of the accommodating cavity (411).

4. The liquid cooling plug according to claim 2, wherein: The second sealing connection part (43) includes a tightening band (432), the second sealing connection part (43) is an elastic structure, and the second sealing connection part (43) is provided with a plurality of threading holes (431) along the circumference, and the tightening band (432) is passed through the threading holes (431) to tighten the second sealing connection part (43).

5. The liquid cooling plug according to claim 2, wherein: It also includes a liquid leakage alarm. A liquid leakage detection component is provided in the elastic cover body (41). The liquid leakage detection component is connected to the liquid leakage alarm. When the liquid leakage information detected by the liquid leakage detection component is greater than a preset leakage value, the liquid leakage alarm issues a warning message.

6. The liquid-cooled plug according to any one of claims 1 to 5, characterized in that: The invention also includes a pressure balancing mechanism (5) arranged on the first plug-in mechanism (2), wherein the pressure balancing mechanism (5) is provided with a pressure balancing chamber (5212) for communicating with a liquid flow channel in the first plug-in mechanism (2); when the pressure in the liquid flow channel is greater than a preset pressure value, the pressure balancing chamber (5212) is in an open state to release the pressure; when the pressure in the liquid flow channel is less than the preset pressure value, the pressure balancing chamber (5212) is in a closed state.

7. The liquid cooling plug according to claim 6, wherein: The pressure balancing mechanism (5) comprises: A connecting body (51) is provided on the first plug-in mechanism (2); the connecting body (51) is provided with a first vent hole (511) for communicating with a liquid flow channel in the first plug-in mechanism (2); A pressure control assembly (52) is arranged on the connecting body (51), and the pressure control assembly (52) comprises a pressure control body (521), a pressure valve (522), an elastic member (523), and a limiting structure (5211) arranged on the pressure control body (521). The pressure control body (521) is provided with the pressure balancing chamber (5212), the pressure balancing chamber (5212) is communicated with the first vent (511), the pressure valve (522) is located in the pressure balancing chamber (5212), and one end of the elastic member (523) abuts against the pressure valve (522), and the other end abuts against the limiting structure (5211).

8. The liquid cooling plug according to claim 7, characterized in that The pressure valve (522) comprises an end structure (5222) arranged in a stepped manner and a rod-shaped structure (5221) connected to the end structure (5222); an end of the rod-shaped structure (5221) away from the end structure (5222) is a hemispherical structure (5224); the hemispherical structure (5224) is used to cooperate with the first vent hole (511) to block the first vent hole (511); a mounting groove (5223) is provided on a side of the end structure (5222) away from the rod-shaped structure (5221), and one end of the elastic member (523) is located in the mounting groove (5223).

9. The liquid cooling plug according to claim 8, characterized in that It also includes a pressure alarm, and the pressure control component (52) further includes a pressure sensor disposed in the pressure balance chamber (5212), the pressure sensor being connected to the pressure alarm and used to detect pressure information in the pressure balance chamber (5212); When the pressure information detected by the pressure sensor is greater than a preset warning pressure value, the pressure alarm issues a warning message.

10. The liquid cooling plug according to claim 7, wherein: There are multiple pressure control components (52), and the multiple pressure control components (52) are arranged at different circumferential positions of the connecting body (51). The preset pressure values of the pressure valves (522) in different pressure control components (52) are different.

11. A liquid cooling plug-in device, characterized in that: It comprises a second plug-in mechanism (1), a sealing mechanism (3), and the liquid-cooling plug according to any one of claims 1 to 10; the first plug-in mechanism (2) of the liquid-cooling plug is plugged into and matched with the second plug-in mechanism (1); The sealing mechanism (3) is sleeved on the outer side wall of the second plug-in mechanism (1), and when the second plug-in mechanism (1) is in a plugged state with the first plug-in mechanism (2), the inner ring of the sealing mechanism (3) is in sealing engagement with the outer side wall of the second plug-in mechanism (1), and the outer ring of the sealing mechanism (3) is in sealing engagement with the inner side wall of the first plug-in mechanism (2).

12. The liquid cooling plug-in device according to claim 11, characterized in that: One of the anti-splash mechanism (4) of the liquid-cooling plug and the second plug-in mechanism (1) is provided with a sealing protrusion (421), the number of the sealing protrusions (421) is multiple, and the multiple sealing protrusions (421) are evenly distributed along the circumference of the anti-splash mechanism (4); The other of the anti-splashing mechanism (4) and the second plug-in mechanism (1) is provided with a sealing groove (1121) that cooperates with the sealing protrusion (421).

13. The liquid cooling plug-in device according to claim 12, characterized in that: One of the anti-splashing mechanism (4) and the second plug-in mechanism (1) is provided with a guide protrusion extending in the axial direction, and the other of the anti-splashing mechanism (4) and the second plug-in mechanism (1) is provided with a guide groove for cooperating with the guide protrusion; When the guide protrusion is in a mating state with the guide groove, the sealing protrusion (421) is arranged opposite to the sealing groove (1121), and the liquid accumulation cavity (412) of the anti-splash mechanism is located at the lower side of the accommodating cavity (411).

14. The liquid cooling plug-in device according to claim 12, characterized in that: The second plug-in connection mechanism (1) comprises a first plug body (11), the sealing mechanism (3) comprises a first sealing ring (31) and a second sealing ring (32), one end of the first plug body (11) inserted into the first plug-in connection mechanism (2) is provided with a sealing groove (1111) for accommodating the first sealing ring (31), and the first sealing ring (31) is a stepped sealing ring; The second sealing ring (32) is sleeved on an end of the first plug body (11) facing away from the first plug mechanism (2).

15. The liquid cooling plug-in device according to claim 14, characterized in that: The first plug body (11) comprises a first plug portion (111), a first operating portion (112) and a first connecting portion (113) which are arranged in sequence; The first plug-in portion (111) is used for plugging and mating with the first plug-in mechanism (2); The radial dimension of the first operating portion (112) is greater than the radial dimension of the first plug-in portion (111), and the side of the first operating portion (112) facing the first plug-in portion (111) is sealed and connected to the anti-splash mechanism (4); The first connecting portion (113) is provided with a first external thread (1131), and the second sealing ring (32) is sleeved on the first connecting portion (113) and in contact with the first operating portion (112).

16. The liquid cooling plug-in device according to claim 15, characterized in that: The first plug-in mechanism (2) comprises a second plug body (21), and the second plug body (21) comprises a second plug-in portion (211), a pipe connecting portion (212), and a second connecting portion (213) which are arranged in sequence; The second plug-in portion (211) is used for plugging and mating with the first plug-in portion (111), and an outer side wall of the second plug-in portion (211) is provided with an operating section (2111) having a hexagonal cross section; The pipeline communication portion (212) is provided with a second external thread (2121) for connecting an external device; The second connecting portion (213) is provided with a tapered joint, and the cross-sectional size of the tapered joint gradually decreases from an end close to the pipe connecting portion (212) to an end away from the pipe connecting portion (212).

17. A liquid cooling system, characterized in that: The invention comprises a liquid cooling cabinet, a server chassis and a liquid cooling plug-in device according to any one of claims 11 to 16, wherein the first plug-in mechanism (2) of the liquid cooling plug-in device is connected to the liquid cooling cabinet, and the second plug-in mechanism (1) of the liquid cooling plug-in device is connected to the server chassis.

18. The liquid cooling system according to claim 17, wherein: The liquid cooling plug-in device further comprises a fixing mechanism (6), wherein the fixing mechanism (6) is fixed to the server chassis, and the fixing mechanism (6) is provided with a pipe connection structure (62), one end of the pipe connection structure (62) is connected to the liquid cooling pipeline of the server chassis, and the other end of the pipe connection structure (62) is threadedly connected to the second plug-in mechanism (1).

19. The liquid cooling system according to claim 18, wherein: One of the liquid cooling cabinet and the fixing mechanism (6) is provided with a guide pin, and the other of the liquid cooling cabinet and the fixing mechanism (6) is provided with a guide pin hole (63) for cooperating with the guide pin, and both the guide pin and the guide pin hole (63) are provided along the axial extension of the second plug-in mechanism (1).

20. The liquid cooling system according to claim 18, wherein: The server also includes a floating mechanism (7), the floating mechanism (7) including a mounting seat (71) fixed to the server chassis, and a floating connection member (72) connected to the fixing mechanism (6), the mounting seat (71) being provided with a floating hole, the floating connection member (72) passing through the floating hole and connected to the fixing mechanism (6), the radial dimension of the floating hole being larger than the radial dimension of the floating connection member (72), so that the fixing mechanism (6) is movable in the radial direction relative to the floating mechanism (7); A floating spring (73) is sleeved on the outer periphery of the floating connection member (72), one end of the floating spring (73) abuts against the mounting seat (71), and the other end abuts against the fixing mechanism (6), so that the fixing mechanism (6) is movable in the axial direction relative to the floating mechanism (7).

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