CN223635674U

CN223635674U - Quick connectors for server host liquid cooling systems

Info

Publication number: CN223635674U
Application number: CN202520688851.3U
Authority: CN
Inventors: 王铭; 张弛; 徐英; 徐青松; 尹芳
Original assignee: Suzhou Tangde Metal Technology Co ltd
Current assignee: Suzhou Tangde Metal Technology Co ltd
Priority date: 2025-04-14
Filing date: 2025-04-14
Publication date: 2025-12-05
Anticipated expiration: 2035-04-14

Abstract

A quick connector for a server host liquid cooling system belongs to the technical field of fluid pipeline connectors. The cooling device comprises a male plug mechanism and a female plug mechanism and is characterized in that the male plug mechanism comprises a male plug shell, a positive hollow plug post, a locking sleeve, a male plug valve core and a male plug valve core reset spring, the female plug mechanism comprises a female plug shell, a sliding sleeve, a female plug valve core and a valve sleeve reset spring, when the right end of the positive hollow plug post is in a state of being inserted with the left end of a cavity of the female plug shell, cooling fluid flows in from a right end port of a cavity of the female plug shell and sequentially flows out from a sliding sleeve cavity of the female plug valve core and the sliding sleeve and a cavity of the positive hollow plug post and flows out from a drawer fitting cavity of the cooling device to form circulation reflux. The valve has the advantages of small flow resistance, capability of avoiding the adverse factors of high fluid flow resistance, easy turbulence and vortex generation caused by the fact that the fluid flow channel is positioned between the inner wall of the shell and the valve core in the prior art, cleaning convenience and leakage probability reduction.

Description

Quick connector for server host liquid cooling system

Technical Field

The utility model belongs to the technical field of fluid pipeline connectors, and particularly relates to a quick connector for a server host liquid cooling system.

Background

The aforementioned servers include, but are not limited to, WEB servers, application servers, file servers, database servers, cloud servers, negative backup servers, proxy servers, FTD servers, load balancers, cache servers, and the like, play a vital role in the network. It is considered a soul of the network because of the wide variety of data and information that it stores and processes on the network. Because the server runs continuously in all weather, the server needs to be cooled in order to improve heat dissipation efficiency, reduce energy consumption and noise so as to adapt to different working environments. The cooling mode of the server includes air cooling such as air cooling (machine room air conditioner), natural cooling and liquid cooling, namely liquid cooling, and is generally subject to heavy people because of high heat dissipation efficiency of liquid cooling, obvious energy saving effect compared with air cooling, space saving and the like.

Technical information about quick connectors for liquid cooling systems is seen in the published chinese patent literature. Such as CN202011236U (a data processing center water cooling system quick connector), CN222334783U (a self-locking quick change fluid connector), CN213158952U (quick connector), and the like, to name a few. A typical "pin, box and quick connector assembly" as proposed in CN103953009a, although being capable of honoring the technical effects described in the technical effects column of the specification thereof, has the drawbacks that, according to the description of paragraph 0040 of the specification and in combination with the drawing of the patent, the passage of fluid in the state of use (referred to as "liquid flow passage" in the patent) appears to flow in the pin fluid passage between the valve core and the inner wall of the pin housing in the state of use due to unreasonable structural design of the pin, the fluid flow resistance is relatively large and the pressure drop is high, turbulence and eddy current are present, and thus pressure loss is large, because the gap of the fluid in the circulation passage between the valve core outer wall and the housing is objectively uneven, roughness or structural abrupt changes (such as steps, threads) and springs (such as the first, second and third compression springs) significantly increase the fluid flow resistance, inconvenience in cleaning is required, and risk of leakage is large.

Disclosure of utility model

The utility model aims to provide a quick connector for a server host liquid cooling system, which is beneficial to representing the rationality of a male connector, a female connector and related components in structural design, avoiding the problems of high fluid flow resistance, turbulence and vortex generation caused by the fact that a fluid flow passage is positioned between the inner wall of a shell and a valve core, being beneficial to cleaning according to needs and being beneficial to obviously reducing the leakage probability.

The utility model is characterized in that the male plug mechanism comprises a male plug shell, a positive hollow plug post, a locking sleeve, a male plug valve core and a male plug valve core return spring, the male plug shell forms a male plug shell cavity with an open right end, a cooling device drawer matching joint is extended leftwards at the central position of the left end wall of the male plug shell, the cooling device drawer matching joint cavity of the cooling device drawer matching joint is communicated with the male plug shell cavity, the left end of the positive hollow plug post is arranged in the male plug shell cavity, the right end of the positive hollow plug post extends out of the male plug shell cavity, the locking sleeve is sleeved at the left end of the positive hollow plug post and is in threaded fit with the inner wall of the male plug shell cavity, the male plug valve core is arranged in the positive hollow plug post cavity of the positive hollow plug post in a left-right moving manner, the male plug return spring is arranged in the positive hollow plug shell cavity of the positive hollow plug post, and the male plug core is supported at the left-right cavity of the positive hollow plug post cavity or the left-side valve core supporting cavity of the male plug core; the female plug mechanism comprises a female plug shell, a sliding sleeve, a female plug valve core and a valve sleeve reset spring, wherein the female plug shell is provided with a female plug shell cavity which is communicated from the left end to the right end, the right end of the positive hollow plug post is in plug fit with the female plug shell cavity, the sliding sleeve is arranged in the female plug shell cavity in a left-right moving way, the female plug valve core is arranged and limited at the right end of the female plug shell cavity, the valve sleeve reset spring is empty sleeved at the middle part of the female plug valve core, when the right end of the positive hollow plug post is in a state of being inserted with the left end of the cavity of the female plug shell, cooling fluid flows in from the right end port of the cavity of the female plug shell, sequentially flows through the female plug valve core, the sliding sleeve cavity of the sliding sleeve and the positive hollow plug post cavity and flows out from the drawer fitting cavity of the cooling device to form circulation reflux.

In a specific embodiment of the present utility model, a post flange is formed at the left end of the positive hollow post, a post flange relief groove is formed at the left end of the male plug housing cavity of the male plug housing and around the circumferential direction of the male plug housing cavity, the post flange corresponds to the post flange relief groove, and a post flange offset relief space is maintained between the outer surface of the post flange and the wall of the post flange relief groove.

In another specific embodiment of the utility model, a male plug valve core reset spring supporting clamp spring groove is formed in the cavity wall of the left cavity opening part of the positive hollow plug cavity of the positive hollow plug and surrounds the circumferential direction of the positive hollow plug cavity, a male plug valve core reset spring supporting clamp spring is embedded in the male plug valve core reset spring supporting clamp spring groove, a male plug valve core reset spring supporting seat is arranged on the right side corresponding to the male plug valve core reset spring supporting clamp spring, and the left end of the male plug valve core reset spring is supported on the male plug valve core reset spring supporting seat.

In a further specific embodiment of the utility model, a male plug hollow plug guiding slope inclined from left to right is formed on the middle outer wall of the male plug housing and around the circumferential direction of the male plug housing, and a female plug housing cavity guiding slope inclined from right to left is formed at the left cavity opening part of the female plug housing cavity and around the circumferential direction of the female plug housing cavity, and the male plug hollow plug guiding slope and the female plug housing cavity guiding slope are matched and guided in the process of inserting the right end of the positive hollow plug into the female plug housing cavity.

In a further specific embodiment of the utility model, a color recognition ring for preventing reverse installation is embedded on the left end outer wall of the male plug housing, a color recognition ring for preventing reverse installation is embedded on the left end outer wall of the female plug housing, a drawer matching sealing ring groove is formed on the left end outer wall of the male plug housing and at the junction part with a drawer matching joint of the cooling device, a drawer matching sealing ring is arranged in the drawer matching sealing ring groove, a plug flange sealing ring is embedded on the left end of a cavity of the male plug housing and at a position corresponding to the left side of the plug flange in the circumferential direction of the cavity of the male plug housing around the left end of the male plug housing, a plug valve core reset spring resisting step is formed on the left end of the plug valve core, a male plug housing cavity matching internal thread is formed on the cavity wall of the cavity of the male plug housing, a locking sleeve external thread is formed on the outer wall of the locking sleeve, and the locking sleeve external thread is matched with the drawer matching joint of the cooling device.

In a further specific embodiment of the present utility model, a hollow plunger cavity wall sealing ring embedding groove is formed at the right end of the male plug valve core and around the circumferential direction of the male plug valve core, and a hollow plunger cavity wall sealing ring for sealing with the cavity wall of the positive hollow plunger cavity is embedded in the hollow plunger cavity wall sealing ring embedding groove.

In a further embodiment of the utility model, a left sealing ring of the cavity wall of the female plug housing and a right sealing ring of the cavity wall of the female plug housing are embedded on the cavity wall of the female plug housing and are spaced from each other around the circumference direction of the cavity wall of the female plug housing, when the male plug housing and the female plug housing are in a non-plug-in state, the outer wall of the sliding sleeve is in sealing fit with the right sealing ring of the cavity wall of the female plug housing, and when the male plug housing and the female plug housing are in a mutually plug-in-socket fit state, the sliding sleeve is displaced rightward under the reaction force against the restoring spring force of the sliding sleeve, and the outer wall of the right end of the male plug housing forms a seal with the left sealing ring of the cavity wall of the female plug housing and the right sealing ring of the cavity wall of the female plug housing at the same time, and an outer sealing ring of the female plug housing is embedded on the outer sealing ring of the right end of the female plug housing for forming a seal with the mating part of the cooling cabinet in a use state, and a female plug screw thread of the mating part of the cooling cabinet is formed around the circumference direction of the outer sealing ring of the female plug housing.

In a further specific embodiment of the present utility model, the female plug valve core is composed of a left valve head, a right valve head and a valve head connecting valve rod, the left valve head is formed at the left end of the valve head connecting valve rod, the right valve head is formed at the right end of the valve head connecting valve rod, the shape of the left valve head is in a truncated cone shape with gradually increased diameter from the right end to the left end for reducing the fluid resistance, the right valve head is formed with a plurality of fan-shaped diversion holes for reducing the fluid resistance, adjacent diversion holes are separated by diversion hole walls, a fluid guiding groove is formed at the junction part of the base part of the diversion hole walls and the valve head connecting valve rod, and the right valve head is limited at the right end of the female plug housing cavity.

In a still more specific embodiment of the utility model, a right valve head limiting snap spring groove is formed in the female plug housing cavity and surrounds the circumferential direction of the female plug housing cavity at a position corresponding to the right side of the right valve head, a snap spring is embedded in the right valve head limiting snap spring groove, the edge part of the right side surface of the right valve head is blocked on the left side surface of the snap spring, a left valve head sealing ring is embedded on the left valve head, when the male plug housing and the female plug housing are in a non-inserted and mutually separated state, the left valve head sealing ring forms sealing fit with the cavity wall of the sliding sleeve cavity of the sliding sleeve, and when the male plug housing and the female plug housing are in an mutually inserted and matched state, the left valve head sealing ring is positioned at the right end of the positive hollow plug cavity along with the left valve head and keeps a gap for fluid to pass through with the cavity wall of the positive hollow plug cavity.

In still another specific embodiment of the present utility model, the number of the flow guiding holes is three to five, and the right cavity mouth of the sliding sleeve cavity of the sliding sleeve is configured in a horn mouth shape for increasing the flow surface and simultaneously reducing the flow resistance.

The technical scheme provided by the utility model has the advantages that the positive hollow plunger cavity, the sliding sleeve cavity and the right end of the female plug valve core are used as through flow passages when the male plug shell and the female plug shell are mutually inserted and matched in a use state, so that the flow resistance is small, the adverse factors of high fluid flow resistance, easy turbulence and vortex generation caused by the fact that the fluid flow passages are positioned between the inner wall of the shell and the valve core in the prior art can be avoided, and the utility model has reasonable structural design, thereby being beneficial to cleaning according to needs and obviously reducing the leakage probability.

Drawings

FIG. 1 is a block diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the male plug mechanism shown in FIG. 1;

FIG. 3 is a cross-sectional view of the female plug mechanism shown in FIG. 1;

FIG. 4 is a detailed block diagram of the male plug valve cartridge shown in FIGS. 1 and 2;

FIG. 5 is a detailed block diagram of the female plug valve cartridge shown in FIGS. 1 and 3;

FIG. 6 is a detailed block diagram of the sliding sleeve shown in FIGS. 1 and 3;

FIG. 7 is a schematic illustration of an application of the male and female plug mechanisms of the present utility model in a mated state;

Fig. 8 is a schematic view showing an embodiment in which the left end of the male plug valve element return spring of the present utility model is supported at the right cavity opening of the male plug housing cavity of the male plug housing.

Detailed Description

Example 1 in order to make it possible to more clearly understand the technical spirit and advantages of the present utility model, the applicant shall make a detailed description below by way of example, but the description of the examples shall not limit the scope of the present utility model, and any equivalent transformation made according to the inventive concept, which is merely in form and not in nature, shall be regarded as the scope of the technical solution of the present utility model.

In the following description, all concepts related to the directions or azimuths of up, down, left, right, front and rear are based on the current position state of fig. 1, and thus should not be construed as a specific limitation on the technical solution provided by the present utility model.

Referring to fig. 1, there are shown a male plug mechanism 1 and a female plug mechanism 2, the opposite ends of the male plug mechanism 1 and the female plug mechanism 2 being mated with and in communication with each other.

The technical scheme provided by the utility model is characterized in that the male plug mechanism 1 comprises a male plug shell 11, a positive hollow plug 12, a locking sleeve 13, a male plug valve core 14 and a male plug valve core reset spring 15, wherein the male plug shell 11 is provided with a male plug shell cavity 111 with an open right end, a cooling device drawer fitting 113 is leftwards extended at the central position of a left end wall 112 of the male plug shell 11, the cooling device drawer fitting cavity 1131 of the cooling device drawer fitting 113 is communicated with the male plug shell cavity 111, the left end of the positive hollow plug 12 is placed in the male plug shell cavity 111, the right end extends out of the male plug shell cavity 111, the locking sleeve 13 is sleeved at the left end of the positive hollow plug 12 and is in threaded fit with the inner wall of the male plug shell cavity 111, the male plug 14 is leftwards and rightwards movably arranged in the positive hollow plug cavity 121, the left end of the male plug valve core reset spring 15 is supported at the left end of the positive hollow plug cavity 121, and the left end of the male plug valve core reset spring 15 is supported at the right end of the male plug cavity 14; the female plug mechanism 2 comprises a female plug housing 21, a sliding sleeve 22, a female plug valve core 23 and a valve sleeve reset spring 24, wherein the female plug housing 21 is provided with a female plug housing cavity 211 which penetrates from the left end to the right end, the right end of the positive hollow plug post 12 is inserted with the female plug housing cavity 211, the sliding sleeve 22 is arranged in the female plug housing cavity 211 in a left-right moving way, the female plug valve core 23 is arranged and limited at the right end of the female plug housing cavity 211, the valve sleeve reset spring 24 is sleeved at the middle part of the female plug valve core 23 in an empty way, the left end of the valve sleeve reset spring 24 is supported at the right end of the sliding sleeve 22, while the right end of the valve housing return spring 24 is supported on the right end of the female plug valve core 23, when the right end of the positive hollow plunger 12 is in a state of being inserted into the left end of the female plug housing cavity 211, the fluid for cooling flows in from the right end port 2113 of the female plug housing cavity 211, flows in through the female plug valve core 23, the sliding sleeve cavity 221 of the sliding sleeve 22 and the positive hollow plunger cavity 121 in sequence, and flows out from the cooling device drawer fitting cavity 1131 to form a circulation reflux.

In this embodiment, the above-mentioned fluid concept is a liquid medium, and the liquid medium is a liquid cooling medium, and water is used as the liquid cooling medium in this embodiment, but it may also be oil (such as transformer oil, white oil), fluorinated liquid, a mixture of ethylene glycol and water, deionized water, propylene glycol or liquid nitrogen, and so on.

Referring to fig. 2 and referring to fig. 1, a post flange 122 is formed at the left end of the positive hollow post 12, a post flange relief groove 1111 is formed at the left end of the male plug housing cavity 111 of the male plug housing 11 and around the circumferential direction of the male plug housing cavity 111, the post flange 122 corresponds to the post flange relief groove 1111, and a post flange offset relief space is maintained between the outer surface of the post flange 122 and the wall of the post flange relief groove 1111.

A male plug valve core return spring supporting snap spring groove 1211 is formed in the cavity wall of the left cavity opening portion of the positive hollow plunger cavity 121 of the positive hollow plunger 12 and surrounds the circumferential direction of the positive hollow plunger cavity 121, a male plug valve core return spring supporting snap spring 12111 is embedded in the male plug valve core return spring supporting snap spring groove 1211, a male plug valve core return spring supporting seat 12112 is provided on the right side corresponding to the male plug valve core return spring supporting snap spring 12111, and the left end of the male plug valve core return spring 15 is supported on the male plug valve core return spring supporting seat 12112.

Since the male plug housing 11 is mounted on the drawer of the cooling device, i.e., the cooling cabinet, in the use state, and since the drawer does not deviate from the female plug housing 21 mounted on the cabinet body of the cooling cabinet as the cooling device in the use state, the present utility model is designed with the post flange relief groove 1111, the positive type hollow post 12 can be reasonably biased at the position corresponding to the post flange relief groove 1111 by the post flange 122 thereof, thereby ensuring that the right end of the positive type hollow post 12 is inserted into the female plug housing cavity 211 without obstruction and is brought into the state shown in fig. 7.

A male plug hollow plunger guide slope 114 is formed on the middle outer wall of the male plug housing 11 and inclined from left to right around the circumferential direction of the male plug housing 11, and a female plug housing cavity guide slope 212 is formed at the left opening of the female plug housing cavity 211 of the female plug housing 21 and inclined from right to left around the circumferential direction of the female plug housing cavity 211, and when the right end of the positive hollow plunger 12 is inserted into the female plug housing cavity 211, the male plug hollow plunger guide slope 114 and the female plug housing cavity guide slope 212 are cooperatively guided, and it can be considered that the female plug housing cavity guide slope 212 and the male plug hollow plunger guide slope 114 are guided to each other when the left end of the female plug housing cavity 211 is mated with the positive hollow plunger 12.

A color recognition ring 115 for preventing reverse installation is embedded on the left end outer wall of the male plug housing 11, a color recognition ring 213 for preventing reverse installation is embedded on the left end outer wall of the female plug housing 21, a drawer matching seal ring groove 116 is formed on the left end outer wall of the male plug housing 11 and at the junction with the cooling device drawer matching joint 113, a drawer matching seal ring 1161 is arranged in the drawer matching seal ring groove 116, a plug flange seal ring 117 is embedded on the left end of the male plug housing cavity 111 and at the position corresponding to the left side of the plug flange 122 in the circumferential direction around the male plug housing cavity 111, a male plug valve core reset spring blocking step 141 is formed on the left end of the male plug valve core 14, a male plug valve core reset spring 15 is formed on the male plug valve core reset spring blocking step 141 (shown in fig. 4), a male plug housing cavity inner wall is formed on the cavity wall of the male plug housing cavity 111, a male plug housing inner screw thread is formed on the outer wall of the cooling device sleeve 13, and a plug flange seal ring 117 is formed on the outer wall of the male plug housing cavity 113, and the cooling device is formed on the outer wall of the cooling device sleeve.

During the threaded engagement of the chiller drawer fitting 113 with the chiller drawer, i.e., the chiller cabinet drawer, the completion of the installation is indicated when the left end wall 112 of the male plug housing 11 contacts the chiller drawer. In the process that the locking sleeve 13 is in threaded engagement with the male plug housing cavity mating internal thread 118 through the locking sleeve external thread 131 thereon, when the left side surface of the expansion flange 132 formed on the right end of the locking sleeve 13 contacts the right end surface of the male plug housing 11, the threaded engagement of the two is completed.

Because the color recognition ring 115 for the installation direction of the male plug and the color recognition ring 213 for the installation direction of the female plug exist, operators can be helped to judge the connection direction of the pipeline, clearly distinguish the inlet end from the outlet end, prevent reverse installation and ensure stable operation of the system.

Referring to fig. 4, a hollow plunger cavity wall seal ring groove 142 is formed at the right end of the male plug valve core 14 and around the circumferential direction of the male plug valve core 14, and a hollow plunger cavity wall seal ring 1421 for sealing with the cavity wall of the positive hollow plunger cavity 121 is embedded in the hollow plunger cavity wall seal ring groove 142.

Referring to fig. 3 and fig. 1, a left female plug housing cavity wall sealing ring 2111 and a right female plug housing cavity wall sealing ring 2112 are inserted in the cavity wall of the female plug housing cavity 211 and around the circumference of the female plug housing cavity 211 at intervals, when the male plug housing 11 and the female plug housing 21 are in a non-plugging state, the outer wall of the sliding sleeve 22 is in sealing engagement with the right female plug housing cavity wall sealing ring 2112, and when the male plug housing 11 and the female plug housing 21 are in a mutually plugging engagement state, the sliding sleeve 22 is displaced rightward by a reaction force against the restoring spring force of the sliding sleeve, and the outer wall of the right end of the male plug housing 11 is simultaneously sealed with the left female plug housing cavity wall sealing ring 2111 and the right female plug housing cavity wall sealing ring 2112 to realize a double seal to prevent leakage, and when the outer wall of the right end of the female plug housing 21 is inserted with a female plug housing outer sealing ring 214 for forming a seal with the joint of the cooling cabinet in a use state, and when the outer wall of the right plug housing 21 is in a state, the joint of the female plug housing outer cabinet is formed with the female plug housing outer sealing ring 214 located around the circumference of the female plug housing 21.

Referring to fig. 5 in combination with fig. 1 and 3, the female plug valve core 23 is composed of a left valve head 231, a right valve head 232 and a valve head connecting valve rod 233, the left valve head 231 is formed at the left end of the valve head connecting valve rod 233, the right valve head 232 is formed at the right end of the valve head connecting valve rod 233, the left valve head 231 is shaped like a truncated cone with a diameter gradually increasing from the right end to the left end for reducing the fluid resistance, the right valve head 232 is formed with a plurality of fan-shaped diversion holes 2321 for reducing the fluid resistance, adjacent diversion holes 2321 are separated by diversion hole wall 2322, and a fluid guiding groove 23221 is formed at the junction between the base of the diversion hole wall 2322 and the valve head connecting valve rod 233, and the right valve head 232 is defined at the right end of the female plug housing cavity 211.

A right valve head defining snap spring groove 2114 is formed in the female plug housing cavity 211 at a position corresponding to the right side of the right valve head 232 around the circumferential direction of the female plug housing cavity 211, a snap spring 21141 is embedded in the right valve head defining snap spring groove 2114, the edge portion of the right side surface of the right valve head 232 is abutted against the left side surface of the snap spring 21141, a left valve head sealing ring 2311 is embedded in the left valve head 231, when the male plug housing 11 and the female plug housing 21 are in a non-plugging state of being separated from each other, the left valve head sealing ring 2311 forms a sealing fit with the cavity wall of the sliding sleeve cavity 221 of the sliding sleeve 22, and when the male plug housing 11 and the female plug housing 21 are in a mutually plugging state, the left valve head sealing ring 2311 is located at the right end of the positive hollow plug cavity 121 along with the left valve head 231 and maintains a gap for fluid passing through with the cavity wall of the positive hollow plug cavity 121.

In the present embodiment, the number of the diversion holes 2321 is three, but may be four or five, that is, the number of the diversion holes 331 may be increased or decreased within a reasonable range, which should be regarded as equivalent substitution.

Referring to fig. 6, the right cavity opening of the sliding sleeve cavity 221 of the sliding sleeve 22 is configured in a bell mouth 222 for increasing the flow surface and simultaneously reducing the flow resistance.

Referring to fig. 7 and referring to fig. 2 to 3, since the male plug mechanism 1 and the female plug mechanism 2 are respectively provided on the cooling cabinet drawer and the cooling cabinet body of the cooling cabinet of the structural system of the cooling apparatus such as the server, the cooling apparatus drawer fitting 113 of the male plug housing 11 is fitted with the interface on the cooling cabinet drawer, and is fitted with the interface on the cooling cabinet body through the female plug housing external screw 215 on the right end outer wall of the female plug housing 21. When the cooling cabinet is to be used, namely, the cooling cabinet drawer is pushed to enable the positive hollow plug 12 of the structural system of the male plug housing 11 to be inserted into the female plug housing cavity 211, and during the insertion process, the male plug hollow plug guide inclined surface 114 and the female plug housing cavity guide inclined surface 212 interact in a guiding manner, so that the cooling cabinet drawer can be conveniently, quickly and accurately inserted. After insertion, as shown in fig. 7, the male plug valve core return spring 15 and the valve sleeve return spring 24 are both in a compressed and stored energy state, and complete flow paths are established. Assuming that the cooling fluid is introduced from the cooling device drawer fitting cavity 1131, the circulation reflux (through the corresponding piping) is formed in the state shown in fig. 7 by passing through the left end of the positive hollow plunger cavity 121, the male joint valve core 14, the space between the left valve head 231 and the middle part of the positive hollow plunger cavity 121, the space between the valve head coupling valve stem 233 and the right end of the positive hollow plunger cavity 121, and the space between the valve head coupling valve stem 233 and the slide sleeve cavity 221 in this order, until the cooling fluid is led out from the right end port 2113 of the female plug housing cavity 211 and enters the cooling cabinet. Conversely, fluid may also flow from the right end port 2113 of the female plug housing cavity 211 and sequentially through the female plug spool 23, the sleeve cavity 221 of the sleeve 22 and the positive hollow post cavity 121 and out of the cooling device drawer fitting cavity 1131 to form a recirculating flow.

When the plug-in connection between the male plug housing 11 and the female plug housing 21 is to be released, the separation can be realized only by pulling the drawer of the cooling cabinet, and the male plug mechanism 1 and the female plug mechanism 2 are respectively in the states shown in fig. 2 and 3 due to the restoring force of the male plug valve core restoring spring 15 and the valve sleeve restoring spring 24 which are in compression energy storage in the prior art.

In embodiment 2 referring to fig. 8, a male plug valve core return spring supporting step 1133 protruding from the surface of the male plug housing cavity 111 is formed around the circumferential direction of the male plug housing cavity 111 at the right cavity opening portion of the male plug housing cavity 111 of the male plug housing 11, and the left end of the aforementioned male plug valve core return spring 15 extends to the right cavity opening portion of the male plug housing cavity 111 and is supported on the male plug valve core return spring supporting step 1133. The remainder is the same as described for example 1.

In summary, the technical scheme provided by the utility model overcomes the defects in the prior art, successfully completes the task of the utility model, and faithfully honors the technical effects carried by the applicant in the technical effect column above.

Claims

1. A quick connector for a server host machine liquid cooling system comprises a male plug mechanism (1) and a female plug mechanism (2), wherein the male plug mechanism (1) and one end of the female plug mechanism (2) opposite to each other are inserted and communicated with each other, and the quick connector is characterized in that the male plug mechanism (1) comprises a male plug shell (11), a positive hollow plug (12), a locking sleeve (13), a male plug valve core (14) and a male plug valve core return spring (15), the male plug shell (11) is provided with a male plug shell cavity (111) with an open right end, a cooling device drawer fitting (113) is extended leftwards at the central position of a left end wall (112) of the male plug shell (11), the cooling device drawer fitting cavity (1131) of the cooling device drawer fitting (113) is communicated with the male plug shell cavity (111), the left end of the positive hollow plug (12) is arranged in the male plug shell cavity (111), the right end of the positive hollow plug (12) is detected out of the male plug shell (111), the locking sleeve (13) is positively sleeved outside the male plug shell cavity (111) and the hollow plug cavity (12) is arranged in the hollow plug cavity (12) and the hollow plug (14) is movably matched with the hollow plug cavity (121), the left end of the male plug valve core return spring (15) is supported at the left cavity opening of the positive hollow plug column cavity (121) or at the right cavity opening of the male plug housing cavity (111), the right end of the male plug valve core (14), the female plug mechanism (2) comprises a female plug housing (21), a sliding sleeve (22), a female plug valve core (23) and a valve sleeve return spring (24), the female plug housing (21) is provided with a female plug housing cavity (211) penetrating from the left end to the right end, the right end of the positive hollow plug column (12) is matched with the female plug housing cavity (211), the sliding sleeve (22) is arranged in the female plug housing cavity (211) in a left-right moving mode, the female plug valve core (23) is arranged and limited at the right end of the female plug housing cavity (211), the valve sleeve return spring (24) is sleeved in the middle of the female plug valve core (23) in a hollow mode, the left end of the valve sleeve return spring (24) is supported at the right end of the sliding sleeve (22), the right end of the valve sleeve return spring (24) is supported at the right end of the left end of the sliding sleeve (23), and when fluid flows into the female plug housing (211) from the left end to the right end (211) of the positive hollow plug housing cavity (3) to the female plug cavity (211) in turn, and when the fluid flows into the hollow plug housing (211) from the left end (3) to the hollow plug cavity (211) of the female plug cavity (211) to the valve core, the sliding sleeve cavity (221) of the sliding sleeve (22) and the positive hollow plunger cavity (121) flow out of the cooling device drawer fitting cavity (1131) to form circulation reflux.

2. A quick connector for a server host liquid cooling system according to claim 1, wherein a post flange (122) is formed at the left end of the positive hollow post (12), a post flange relief groove (1111) is formed at the left end of the male plug housing cavity (111) of the male plug housing (11) and around the circumferential direction of the male plug housing cavity (111), the post flange (122) corresponds to the post flange relief groove (1111), and a post flange offset relief space is maintained between the outer surface of the post flange (122) and the wall of the post flange relief groove (1111).

3. The quick connector for a server host machine liquid cooling system according to claim 1, wherein a male plug valve core return spring supporting snap spring groove (1211) is formed in a cavity wall of a left cavity opening portion of the positive hollow plunger cavity (121) of the positive hollow plunger (12) and surrounds a circumferential direction of the positive hollow plunger cavity (121), a male plug valve core return spring supporting snap spring (12111) is embedded in the male plug valve core return spring supporting snap spring groove (1211), and a male plug valve core return spring supporting seat (12112) is provided on a right side corresponding to the male plug valve core return spring supporting snap spring (12111), and a left end of the male plug valve core return spring (15) is supported on the male plug valve core return spring supporting seat (12112).

4. A quick connector for a server host liquid cooling system according to claim 1, wherein a male plug hollow plug guide slope (114) inclined from left to right is formed on the middle outer wall of the male plug housing (11) and around the circumferential direction of the male plug housing (11), and a female plug housing cavity guide slope (212) inclined from right to left is formed at the left cavity opening portion of the female plug housing cavity (211) of the female plug housing (21) and around the circumferential direction of the female plug housing cavity (211), and the male plug hollow plug guide slope (114) is guided in cooperation with the female plug housing cavity guide slope (212) during the insertion of the right end of the positive hollow plug (12) into the female plug housing cavity (211).

5. A quick connector for a liquid cooling system of a server machine according to claim 2, wherein a color recognition ring (115) for preventing reverse installation is fitted to the left end outer wall of the male plug housing (11), a color recognition ring (213) for preventing reverse installation is fitted to the left end outer wall of the female plug housing (21), a plug return spring retaining step (141) is formed at the left end of the male plug housing (11) at the junction with the cooling device drawer fitting (113), a drawer fitting seal groove (116) is formed in the left end outer wall of the male plug housing (11), a drawer fitting seal (1161) is provided in the drawer fitting seal groove (116), a plug flange seal (117) is fitted around the circumference of the male plug housing cavity (111) at the position corresponding to the left side of the plug flange (122), a plug return spring retaining step (141) is formed at the left end of the male plug housing (14), a plug return spring retaining step (15) is formed on the outer wall of the male plug housing (13) at the position corresponding to the left side of the plug flange (122), a plug return spring retaining step (13) is formed on the male plug housing (13), the locking sleeve external thread (131) is in threaded fit with the male plug housing cavity matching internal thread (118), and the cooling device drawer matching external thread (1132) is formed on the outer wall of the cooling device drawer matching (113).

6. The quick connector for a server host liquid cooling system according to claim 5, wherein a hollow plunger cavity wall seal ring embedding groove (142) is formed at the right end of the male plug valve core (14) and around the circumferential direction of the male plug valve core (14), and a hollow plunger cavity wall seal ring (1421) for sealing with the cavity wall of the positive hollow plunger cavity (121) is embedded in the hollow plunger cavity wall seal ring embedding groove (142).

7. A quick connector for a liquid cooling system of a server machine according to claim 1, wherein a female plug housing cavity wall left seal ring (2111) and a female plug housing cavity wall right seal ring (2112) are fitted on the cavity wall of the female plug housing cavity (211) and around the circumferential direction of the female plug housing cavity (211) at intervals, when the male plug housing (11) and the female plug housing (21) are in a non-plugging state, the outer wall of the slide sleeve (22) is in sealing engagement with the female plug housing cavity wall right seal ring (2112), and when the male plug housing (11) and the female plug housing (21) are in a mutually plugging engagement, the slide sleeve (22) is displaced rightward under the reaction force against the slide sleeve restoring force, and the right end outer wall of the male plug housing (11) forms a seal with the female plug housing cavity wall left seal ring (2111) and the female plug housing cavity wall right seal ring (2112) simultaneously, and when the right end outer wall of the female plug housing (21) is fitted with a female plug housing for forming a sealing portion (214) with a cooling cabinet in a mating state, a female plug housing external thread (215) for screw-coupling with a coupling port of a coupling part of a cooling cabinet body is formed around the circumferential direction of the female plug housing (21) at a position on the right end outer wall of the female plug housing (21) and located on the right side of the female plug housing external seal ring (214).

8. The quick connector for a server host machine liquid cooling system according to claim 1, wherein the female plug valve core (23) is composed of a left valve head (231), a right valve head (232) and a valve head connecting valve rod (233), the left valve head (231) is formed at the left end of the valve head connecting valve rod (233), the right valve head (232) is formed at the right end of the valve head connecting valve rod (233), the shape of the left valve head (231) is in a truncated cone shape with the diameter gradually increasing from the right end to the left end for reducing the fluid resistance, the right valve head (232) is formed with a plurality of fan-shaped diversion holes (2321) for reducing the fluid flow resistance, adjacent diversion holes (2321) are separated by diversion hole walls (2322), a fluid guide groove (23221) is formed at the position where the base of the diversion hole walls (2322) and the valve head connecting valve rod (233) are bordered, and the right valve head (232) is limited at the right end of the female plug housing (211).

9. The quick connector for a server host liquid cooling system according to claim 8, wherein a right valve head limiting snap spring groove (2114) is formed in the female plug housing cavity (211) at a position corresponding to the right side of the right valve head (232) around the circumferential direction of the female plug housing cavity (211), a snap spring (21141) is embedded in the right valve head limiting snap spring groove (2114), the edge part of the right side surface of the right valve head (232) is abutted against the left side surface of the snap spring (21141), a left valve head sealing ring (2311) is embedded on the left valve head (231), and when the male plug housing (11) and the female plug housing (21) are in a non-inserted and mutually separated state, the left valve head sealing ring (2311) forms a sealing fit with the cavity wall of the sliding sleeve cavity (221) of the sliding sleeve (22), and when the male plug housing (11) and the female plug housing (21) are in a mutually inserted and mutually matched state, the left valve head (2311) is positioned along with the left valve head (231) on the left side surface and keeps positive fluid passing through the hollow plug cavity (121) and the hollow plug cavity wall.

10. The quick connector for a server hosting liquid cooling system according to claim 9, wherein the number of the diversion holes (2321) is three to five, and the right cavity mouth of the sliding sleeve cavity (221) of the sliding sleeve (22) is formed in the shape of a horn mouth (222) for increasing the flow surface and simultaneously reducing the flow resistance.