WO2024026981A1 - 液冷散热泵及其管接头连接结构 - Google Patents

液冷散热泵及其管接头连接结构 Download PDF

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Publication number
WO2024026981A1
WO2024026981A1 PCT/CN2022/118675 CN2022118675W WO2024026981A1 WO 2024026981 A1 WO2024026981 A1 WO 2024026981A1 CN 2022118675 W CN2022118675 W CN 2022118675W WO 2024026981 A1 WO2024026981 A1 WO 2024026981A1
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WO
WIPO (PCT)
Prior art keywords
pipe
pump
pipe joint
plug
liquid
Prior art date
Application number
PCT/CN2022/118675
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English (en)
French (fr)
Inventor
陈水根
李国龙
Original Assignee
深圳市欣普斯科技有限公司
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Publication of WO2024026981A1 publication Critical patent/WO2024026981A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00—Bends; Siphons
    • F16L43/02—Bends; Siphons adapted to make use of special securing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing
    • F16L5/10—Sealing by using sealing rings or sleeves only

Definitions

  • Embodiments of the present application relate to the field of heat dissipation technology for electrical equipment, and in particular, to a liquid-cooled heat dissipation pump and its pipe joint connection structure.
  • a common liquid-cooled heat sink pump includes a pump casing and a pipe joint assembled on the pump casing and connected to the inner cavity of the pump casing.
  • the pipe joint is sealingly connected to the pump casing through a pipe joint connection structure.
  • the pipe joint connection structure includes a mounting hole opened on the wall of the pump casing and connected with the inner cavity of the pump casing, and an insertion hole located at one end of the pipe joint and correspondingly inserted into the mounting hole.
  • a plurality of axially distributed sealing rings can be sleeved on the plug pipe. sealing ring to form a multi-stage seal.
  • the technical problem to be solved by the embodiments of the present application is to provide a pipe joint connection structure for a liquid-cooled heat sink pump to ensure that the pipe joint is firmly assembled on the pump casing and to achieve effective sealing.
  • a further technical problem to be solved by the embodiments of the present application is to provide a liquid-cooled heat sink pump that ensures that the pipe joint is firmly assembled on the pump casing and can achieve effective sealing.
  • a pipe joint connection structure of a liquid-cooled heat sink pump used to sealingly connect the pipe joint to the pump casing of the liquid-cooled heat sink pump, the pipe joint connection structure It includes a mounting hole opened on the wall of the pump casing and connected with the inner cavity of the pump casing, a plug-in pipe located at one end of the pipe joint and correspondingly inserted into the mounting hole, and a plug-in pipe sleeved on the pump casing.
  • the sealing ring on the plug-in pipe to close the gap between the outer wall of the plug-in pipe and the inner wall of the installation hole.
  • the plug-in pipe is segmented in sequence from an end close to the inside of the pump casing to an end close to the outside of the pump casing. Thick stepped shaft tube, at least two stepped sections of the plug-in pipe are respectively covered with the sealing rings, the installation hole is a stepped hole shape that matches the plug-in pipe; the outer side of the plug-in pipe The wall is also provided with a snap-in slot, and the hole wall of the mounting hole is provided with a corresponding jack hole, and one end of the locking mechanism passes through the jack hole and is correspondingly snap-fitted into the snap-in slot. The axial direction of the inserted pipe fixes the pipe joint upward.
  • a positioning convex ring is also provided on a stepped section of the plug-in pipe.
  • the outer diameter of the positioning convex ring matches the inner diameter tolerance of the corresponding position of the installation hole to position the plug-in pipe in the radial direction.
  • the sealing The trap is provided on the plug pipe at a position closer to the inside of the pump housing than the positioning flange.
  • the stepped section of the end of the plug-in pipe away from the pump housing is also convexly formed with an outer surface of the shell wall for correspondingly abutting on the periphery of the outer end of the installation hole to limit the position of the plug-in pipe in the Insert depth stop lugs into mounting holes.
  • the locking mechanism is a clamping elastic piece with one end serving as a fixed end and correspondingly being fixed on the pump casing and an opposite end serving as a clamping end and correspondingly molded with a bayonet.
  • the clamping elastic piece is formed with a bayonet. One end passes through the insertion hole and extends into the installation hole and is correspondingly clamped in the clamping groove of the plug-in pipe.
  • the peripheral edge of the bayonet is correspondingly attached to the bottom wall of the clamping slot.
  • the locking groove is also provided with a limiting bump protruding from the side wall or the bottom wall of the groove, and the outer edge of the locking end of the locking elastic piece is on the opposite sides of the bayonet. Each is bent to form a limiting stop piece.
  • the limiting bump and one of the side walls of the clamping slot are respectively in the axial direction of the mounting hole. It abuts the opposite side surfaces of the clamping end, and the two limiting blocks are correspondingly located in the clamping groove and cooperate with the limiting protrusions to limit the position of the pipe joint around the installation hole.
  • the portion between the fixed end and the clamping end of the clamping elastic piece is bent at least twice, and the fixed end is parallel to the clamping end.
  • the fixed end of the clamping elastic piece is provided with a locking groove formed recessed from the outer edge of the fixed end.
  • the pump housing includes a bottom shell and a cover plate that cover each other and are fixedly assembled.
  • the mounting hole Molded on the bottom shell a locking post protrudes from the cover plate corresponding to the locking groove.
  • the end of the locking post protrudes in a radial direction to prevent the locking post from disengaging from the locking groove of the locking elastic piece.
  • a liquid-cooled heat dissipation pump including a pump casing and a pipe joint assembled on the pump casing and connected with the inner cavity of the pump casing.
  • the pipe joint is sealingly connected to the pump shell through the pipe joint connection structure of the liquid-cooled heat sink pump as described in any one of the above.
  • the pump casing is provided with two installation holes, and each installation hole is connected to one of the pipe joints in a sealed manner to respectively connect the liquid inlet pipe and the liquid outlet pipe.
  • the inner cavity of the pump casing is separated by a partition.
  • the plate is divided into a first chamber and a second chamber, and the partition plate is also provided with a through hole corresponding to the first chamber and the second chamber.
  • the first chamber and the second chamber are The chambers are each connected to one of the installation holes.
  • One end of the pipe joint is used to connect the liquid inlet pipe or the liquid outlet pipe.
  • the outer wall of the butt pipe is formed with the liquid inlet pipe.
  • the barbed part of the pipe or outlet pipe wall matches the seal.
  • the embodiments of the present application at least have the following beneficial effects:
  • the embodiments of the present application design the plug-in pipes on the pipe joints for plugging into the mounting holes of the pump casing to be segmented in sequence from the inside of the pump casing to the outside.
  • a thickened stepped shaft tube, and the mounting hole on the pump casing is also designed into a stepped hole shape that matches the plug-in pipe, and sealing rings are respectively set on at least two stepped sections of the plug-in pipe. , when the plug-in pipe is plugged into the installation hole, a stepped multi-step sealing effect can be achieved.
  • the stepped sections of the plug-in pipe connect to the steps at the transition. It can also prevent the coolant from contacting and corroding the next sealing ring, making the sealing effect between the plug pipe and the mounting hole more stable and lasting.
  • the axial fixation of the plug-in pipe is achieved, ensuring that the plug-in pipe can be stable It is assembled into the mounting hole and will not fall off from the mounting hole.
  • FIG. 1 is a schematic structural diagram of an optional embodiment of a liquid-cooled heat pump according to the present application in a disassembled state.
  • Figure 2 is a schematic cross-sectional view along the central axis of a pipe joint of an optional embodiment of the liquid-cooled heat sink of the present application.
  • FIG. 3 is a schematic structural diagram of another optional embodiment of the liquid-cooled heat sink of the present application in a disassembled state.
  • Figure 4 is a schematic cross-sectional view along the central axis of a pipe joint of another optional embodiment of the liquid-cooled heat sink of the present application.
  • Figure 5 is a schematic three-dimensional structural diagram of a clamping elastic piece of an optional embodiment of the pipe joint connection structure of the liquid-cooled heat sink pump of the present application.
  • Figure 6 is a schematic three-dimensional structural diagram of a pipe joint of another optional embodiment of the liquid-cooled heat sink of the present application.
  • Figure 7 is a schematic three-dimensional structural diagram of the bottom shell of an optional embodiment of the liquid-cooled heat sink of the present application.
  • Figure 8 is a schematic cross-sectional view of the bottom shell along a mounting hole in an optional embodiment of the liquid-cooled heat sink of the present application.
  • an optional embodiment of the present application provides a pipe joint connection structure for a liquid-cooled heat sink pump, which is used to sealingly connect the pipe joint 3 to the pump shell 1 of the liquid-cooled heat sink pump.
  • the pipe joint connection structure includes a mounting hole 10 that is opened on the wall of the pump housing 1 and communicates with the inner cavity of the pump housing 1. It is provided at one end of the pipe joint 3 and is correspondingly inserted into the mounting hole 10.
  • the plug-in pipe 30 inside and the sealing ring 4 that is sleeved on the plug-in pipe 30 and closes the gap between the outer wall of the plug-in pipe 30 and the inner wall of the mounting hole 10.
  • the plug-in pipe 3 is self-reliant on the pump housing 1
  • the inner end faces the outer end of the pump housing 1 and is a stepped shaft tube that is gradually thickened in sections.
  • At least two stepped sections of the insertion pipe 30 are respectively covered with the sealing rings 4 and the mounting holes 10 It is in the shape of a stepped hole that is suitable for the plug-in pipe 30; a snap-in slot 301 is also provided on the outer wall of the plug-in pipe 30, and a corresponding jack 101 is provided on the hole wall of the mounting hole 10.
  • One end of the locking mechanism 5 passes through the insertion hole 101 and is correspondingly engaged in the clamping groove 301 to fix the pipe joint 3 in the axial direction of the insertion pipe 30 .
  • the plug-in pipe 30 on the pipe joint 3 for plugging into the mounting hole 10 of the pump casing 1 is designed as a stepped shaft pipe that gradually thickens in sections from the inside of the pump casing 1 to the outside, and the pump casing 1
  • the mounting hole 10 on the plug-in pipe 30 is also designed to be in the shape of a stepped hole that matches the plug-in pipe 30 .
  • Seals 4 are respectively set on at least two stepped sections of the plug-in pipe 30 .
  • the step at the transition of the stepped section of the plug-in pipe 30 can also block it.
  • the coolant contact corrodes the next sealing ring, making the sealing effect between the plug pipe 30 and the mounting hole 10 more stable and lasting.
  • the locking mechanism 5 is provided to pass through the insertion hole 101 opened in the wall of the mounting hole 10 and snap into the snap-in groove 301 on the outer wall of the plug-in pipe 30, thereby achieving axial fixation of the plug-in pipe 30. , to ensure that the plug-in pipe 30 can be stably assembled in the installation hole 10 and will not fall off from the installation hole 10 .
  • the locking mechanism 5 may be a latch, a circlip, or other structures.
  • a positioning convex ring 303 is also provided on a step section of the plug-in pipe 30, and the outer diameter of the positioning convex ring 303 is in line with the installation hole. 10
  • the inner diameter tolerance of the corresponding position matches to position the plug-in pipe 30 in the radial direction.
  • the sealing ring 4 is sleeved on the plug-in pipe 30 at a position closer to the inside of the pump housing 1 than the positioning flange 303. .
  • a positioning convex ring 303 is provided on a stepped section of the plug-in pipe 30, and the outer diameter of the positioning convex ring 303 cooperates with the inner diameter tolerance at the corresponding position of the mounting hole 10 to position the plug-in pipe 30 into the The radial position of the mounting hole 10 facilitates limiting the axis consistency between the insertion pipe 30 and the mounting hole 10 .
  • the stepped section of the end of the plug pipe 30 away from the pump housing 1 is also convexly formed with a corresponding protrusion for abutting against the installation hole.
  • the outer surface of the shell wall around the outer end opening of 10 is provided with a blocking protrusion 305 that limits the insertion depth of the plug pipe 30 in the installation hole 10 .
  • a blocking bump 305 is formed on the outer wall of the end of the plug-in pipe 30 away from the pump casing 1. When the plug-in pipe 30 is plugged and installed, the blocking bump 305 abuts against the pump housing 1.
  • the outer surface of the shell wall around the outer end of the mounting hole 10 limits the insertion depth of the insertion pipe 30 in the mounting hole 10 , which facilitates positioning of the axial position of the pipe joint 3 in the mounting hole 10 .
  • the locking mechanism 5 has one end as a fixed end 501 correspondingly fixed to the pump housing 1 and an opposite end as a clamping end 503.
  • one end of the clamping spring piece 50 formed with the bayonet 5030 passes through the insertion hole 101 and extends into the installation hole 10 and is correspondingly clamped in the plug-in hole 101.
  • the peripheral edge of the bayonet 5030 corresponds to the bottom wall of the clamping slot 301 .
  • one end of the locking mechanism 5 is fixed to the pump housing 1 and the opposite end is a clamping elastic piece 50 with a bayonet 5030.
  • the clamping elastic piece 50 extends into the insertion hole 101 with the end where the bayonet 5030 is located.
  • the snap-in contact is in the snap-in slot 301 of the plug-in pipe 30, and the peripheral edge of the bayonet 5030 fits the bottom wall of the snap-in slot 301.
  • the structure is compact and the snap-in is firm, so that the plug-in pipe 30 can be connected in its axial direction.
  • the installation operation is relatively simple and quick.
  • the clamping groove 301 is provided on the outer wall of the corresponding step section of the plug-in pipe 30 and is arranged in the circumferential direction.
  • the plug-in hole 101 is a semi-circular hole, and the clamping spring piece 50 locks the pipe joint 3 At this time, the pipe joint 3 can still rotate circumferentially relative to the pump housing 1 in the installation hole 10 with the plug-in pipe 30, which facilitates the subsequent installation of the pipe joint 3 in a position-free manner.
  • the locking groove 301 is also provided with a limiting bump 3010 protruding from the groove side wall or the groove bottom wall.
  • the outer edge of the locking end 503 of the locking elastic piece 50 is bent on the opposite sides of the bayonet 5030 to form a limiting stopper 5032.
  • the limit bump 3010 and one of the groove side walls of the clamping groove 301 respectively abut the opposite side surfaces of the clamping end 503 in the axial direction of the mounting hole 10, and the two limiters
  • the stopper 5032 is correspondingly located in the engaging groove 301 and cooperates with the limiting protrusion 3010 to limit the angular range of the rotation of the pipe joint 3 around the central axis of the mounting hole 10 .
  • a limiting bump 3010 is formed by protruding in the engaging groove 301, and the clamping end 503 of the clamping elastic piece 50 is bent on both sides of the bayonet 5030 to form a limiting block 5032.
  • the clamping elastic piece 50 is inserted into the clamping groove 301 and is clamped and fixed by the limiting protrusion 3010 and the groove wall of the clamping slot 301 on the opposite side, and the clamping elastic piece 50
  • the outer edge of the clamping end 503 is bent on the opposite sides of the bayonet 5030 to form a limiting stopper 5032 that abuts and cooperates with the limiting bump 3010 to limit the installation of the pipe joint 3 around the The angular range of rotation of the central axis of the hole 10.
  • the plug pipe 30 is first inserted into the installation hole 10 and rotated to a predetermined angle, and then the clamping elastic piece 50 is inserted until one of the limiting stops 5032 is thereon. After crossing the limiting bump 3010, the plug-in pipe 30 rotates circumferentially so that the opposite sides of the limiting bump 3010 come into contact with any limiting block 5032, so that the pipe joint 3 can be connected. Adjust the take-out direction.
  • the portion between the fixed end 501 and the engaging end 503 of the engaging elastic piece 50 is bent at least twice. Fold, and the fixed end 501 and the clamping end 503 are parallel.
  • the portion between the fixed end 501 and the engaging end 503 of the engaging elastic piece 50 is bent at least twice, thereby greatly enhancing the toughness of the engaging elastic piece 50 and making it less likely to break; at the same time, the length of the fixed end 501 and the engaging end 503 is also increased.
  • the elastic deformation amount of the clamping end 503 has a large error tolerance range and facilitates the clamping operation; at the same time, the fixed end 501 is parallel to the clamping end 503 to ensure that the locking force applied in the clamping groove 301 is consistent with the 3-axis of the plug-in pipe Vertically, the fixation effect is good.
  • the fixed end 501 of the clamping spring piece 50 is provided with a locking groove 5010 recessed from the outer edge of the fixed end 501.
  • the pump housing 1 includes a bottom shell 12 and a cover plate 14 that cover each other and are fixedly assembled.
  • the mounting hole 10 is formed on the bottom shell 12 and protrudes from the cover plate 14 corresponding to the locking groove 5010.
  • the locking post 141 is inserted into the locking groove 5010 to lock the locking elastic piece 50 when the cover 14 is fixedly assembled to the bottom case 12 .
  • the locking groove 5010 is formed concavely on the outer edge of the fixed end 501, and the cover plate 14 of the pump housing 1 protrudes correspondingly with the locking post 141.
  • the cover plate 14 is engaged with the locking post 141.
  • the fixed end 501 of the clamping elastic piece 50 is locked on the pump housing 1 by inserting the locking groove 5010 into the locking groove 5010.
  • the structure is simple and the connection is stable.
  • the cover 14 can be locked on the bottom case 12 through the screws 16 and at the same time the locking post 141 is pressed against the locking groove 5010, which has good structural stability.
  • the end of the locking post 141 protrudes in a radial direction to prevent the locking post 141 from coming out of the locking groove 5010 of the retaining elastic piece 50 .
  • the locking post 141 can be prevented from protruding from the locking groove 5010 of the locking elastic piece 50, thereby enhancing the structural stability.
  • a liquid-cooled heat sink pump including a pump housing 1 and a pump assembly assembled on the pump housing 1 and connected with the pump.
  • the inner cavity of the shell 1 is connected to a pipe joint 3, and the pipe joint 3 is sealingly connected to the pump shell 1 through the pipe joint connection structure of the liquid-cooled heat sink pump as described in any one of the above.
  • the pipe joint connection structure on the liquid-cooled heat sink is set to any of the above-mentioned pipe joint connection components, and the stepped tubular plug-in pipe 30 and the stepped hole-shaped mounting hole 10 are adapted to each other to form a stepped multi-step
  • the sealing and waterproof structure makes the sealing effect between the pipe joint 3 and the pump casing 1 stable and long-lasting.
  • the locking mechanism 5 is provided to improve the stability of the connection between the pipe joint 3 and the pump casing 1 in the axial direction of the plug pipe 30 and will not easily fall off.
  • the pump housing 1 is provided with two mounting holes 10, and each mounting hole 10 has a corresponding sealing connection.
  • the pipe joint 3 is connected to a liquid inlet pipe (not shown) and a liquid outlet pipe (not shown) respectively.
  • the inner cavity of the pump housing 1 is divided into a first chamber 181 and a third chamber 181 by a partition 18 .
  • the partition 18 is also provided with a through hole 182 corresponding to the first chamber 181 and the second chamber 183.
  • the first chamber 181 and the second chamber 183 respectively Communicating with one of the installation holes 10, one end of the pipe joint 3 for connecting the liquid inlet pipe or the liquid outlet pipe is provided with a butt pipe 32 that is inserted into the liquid inlet pipe or the liquid outlet pipe.
  • the outer wall of the butt pipe 32 is formed with a The wall of the liquid inlet pipe or the liquid outlet pipe is fitted with a sealed barb 321 .
  • the inner cavity of the pump casing 1 is divided into a first chamber 181 and a second chamber 183 by setting the partition plate 18 , and the first chamber 181 and the second chamber 183 are connected through the through holes opened on the partition plate 18
  • the two mounting holes 10 provided on the pump housing 1 communicate with the first chamber 181 and the second chamber 183 respectively with the communication holes 102 at their ends for introducing the liquid inlet pipe.
  • the coolant and the coolant sucked out by the outlet pipe after completing the heat absorption operation are introduced into different chambers to form a complete coolant circulation route to achieve efficient heat exchange; at the same time, during actual installation and use, the pump shell 1 is connected
  • the shell wall of the chamber on one side of the liquid inlet pipe (one of the first chamber 181 and the second chamber 183 ) is placed close to the external heat source electrical appliance, which can further improve the heat dissipation of the corresponding external electrical appliance by the liquid-cooled heat sink. efficiency.
  • a docking pipe 32 is provided at one end of the pipe joint 3 relative to the plug-in pipe 30. The docking pipe 32 achieves a sealed connection with the liquid inlet pipe or the liquid outlet pipe through the barbed portion 321 at its end to facilitate the plug-in connection operation.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

一种液冷散热泵的管接头连接结构，包括开设于泵壳（1）壳壁上且与泵壳的内腔相连通的安装孔（10）、设于管接头（3）一端且插设于安装孔内的插接管（30）以及套设于插接管上而封闭插接管外壁与安装孔内壁之间的间隙的密封圈（4），插接管是自靠泵壳内部一端向靠泵壳外部一端分段依次增粗的阶梯轴管且至少两个阶梯段套设有密封圈，安装孔呈与插接管相适配的阶梯孔状；插接管的外侧壁上开设有卡接槽（301），安装孔的孔壁上对应开设有插孔（101），另有锁紧机构（5）一端穿过插孔而卡接于卡接槽内以在轴向上固定插接管。还包括一种液冷散热泵，通过阶梯式多阶密封防水，使管接头与泵壳之间的密封效果稳定且持久，同时设置锁紧机构提升管接头与泵壳的连接稳固性。

Description

液冷散热泵及其管接头连接结构 技术领域
本申请实施例涉及电器设备散热技术领域，尤其涉及一种液冷散热泵及其管接头连接结构。
 背景技术
液冷散热泵以其优良的散热性能而被广泛应用于诸如计算机主机等电器内，为高速运作下会产生大量热量的芯片进行有效降温与散热。常见的液冷散热泵包括泵壳以及组装于所述泵壳上且与所述泵壳的内腔相连通的管接头，所述管接头通过管接头连接结构密封连接于所述泵壳上，所述管接头连接结构包括开设于所述泵壳壳壁上且与所述泵壳的内腔相连通的安装孔、设于所述管接头一端且对应插设于所述安装孔内的插接管以及套设于所述插接管上而封闭所述插接管外壁与安装孔内壁之间的间隙的密封圈，为提升密封性能，还可在所述插接管上套设多个沿轴向分布的密封圈以形成多级密封。
本申请申请人在具体实施过程中发现，所述插接管与所述泵壳之间并未采用有效的轴向固定措施，而仅依靠插接管上套设的密封圈与安装孔内壁涨紧密封固定，其在径向固定效果较好，但轴向固定效果相对较差，当受到外力作用时，插接管很容易从安装孔中脱落出来。此外，现有的插接管各处粗细相同，虽然套设有多个密封圈，但是，最内侧的密封圈长期接触泵壳内的冷却液而容易出现老化失效，此时冷却液即会直接再接触到相对靠外的一个密封圈，长此以往，全部的密封圈容易逐个失效，密封性能逐渐下降。
 技术问题
本申请实施例要解决的技术问题在于，提供一种液冷散热泵的管接头连接结构，确保将管接头稳固地组装于泵壳上并能实现有效密封。
本申请实施例进一步要解决的技术问题在于，提供一种液冷散热泵，确保将管接头稳固地组装于泵壳上并能实现有效密封。
 技术解决方案
为了解决上述技术问题，本申请实施例提供以下技术方案：一种液冷散热泵的管接头连接结构，用于将管接头密封连接于液冷散热泵的泵壳上，所述管接头连接结构包括开设于所述泵壳壳壁上且与所述泵壳的内腔相连通的安装孔、设于所述管接头一端且对应插设于所述安装孔内的插接管以及套设于所述插接管上而封闭所述插接管外壁与安装孔内壁之间的间隙的密封圈，所述插接管是自靠所述泵壳内部的一端向靠所述泵壳外部的一端分段依次增粗的阶梯轴管，所述插接管的至少两个阶梯段上分别套设有所述密封圈，所述安装孔为与所述插接管相适配的阶梯孔状；所述插接管的外侧壁上还开设有卡接槽，所述安装孔的孔壁上对应开设有插孔，另有锁紧机构一端穿过所述插孔并对应卡接于所述卡接槽内而在所述插接管的轴向上固定住所述管接头。
进一步地，所述插接管的一个阶梯段上还设有定位凸环，所述定位凸环外径与所述安装孔相应位置的内径公差配合而在径向上定位所述插接管，所述密封圈套设在所述插接管上比所述定位凸环更靠近所述泵壳内部的位置处。
进一步地，所述插接管远离所述泵壳一端的阶梯段还相应外凸形成有用于对应抵接在所述安装孔外端孔口外围的壳壁外表面以限定所述插接管在所述安装孔内的插入深度的挡止凸块。
进一步地，所述锁紧机构为一端作为固定端对应固定于所述泵壳上而相对一端作为卡制端而对应成型有卡口的卡制弹片，所述卡制弹片的成型有卡口的一端穿过所述插孔而伸入所述安装孔内并对应卡接于所述插接管的卡接槽内，所述卡口周缘对应贴合于所述卡接槽底壁。
进一步地，所述卡接槽内还设有自槽侧壁或槽底壁凸出形成的限位凸块，所述卡制弹片的卡制端的外端缘在所述卡口的相对两侧各自弯折形成有限位挡片，所述卡制弹片插入所述卡接槽内时，所述限位凸块与所述卡接槽的其中一个槽侧壁分别在所述安装孔的轴向上抵接所述卡制端的相对两侧表面，而两个所述限位挡片对应位于所述卡接槽内并与所述限位凸块配合限定所述管接头围绕所述安装孔的中轴线旋转的角度行程范围。
进一步地，所述卡制弹片的固定端和卡制端之间的部分经过至少两次弯折，且所述固定端与所述卡制端平行。
进一步地，所述卡制弹片的固定端开设有自所述固定端的外端缘凹入形成的锁定凹槽，所述泵壳包括相互盖合并固定组装的底壳和盖板，所述安装孔成型于底壳上，所述盖板上对应于所述锁定凹槽处凸伸出锁定柱，所述盖板固定组装至所述底壳上时以所述锁定柱对应卡嵌入所述锁定凹槽内而锁固所述卡制弹片。
进一步地，所述锁定柱末端沿径向凸伸出防止所述锁定柱自所述卡制弹片的锁定凹槽脱出的止退凸环。
另一方面，为了解决上述技术问题，本申请实施例提供以下方案：一种液冷散热泵，包括泵壳以及组装于所述泵壳上且与所述泵壳的内腔相连通的管接头，所述管接头通过如上述任一项所述的液冷散热泵的管接头连接结构密封连接于所述泵壳上。
进一步地，所述泵壳上设置有两个安装孔，每个安装孔处各对应密封连接一个所述管接头以分别对应连接进液管和出液管，所述泵壳的内腔由隔板分隔为第一腔室和第二腔室，所述隔板上还开设有对应连通所述第一腔室和第二腔室的贯通孔，所述第一腔室与所述第二腔室各自连通一个所述安装孔，所述管接头用于连接进液管或出液管的一端设有对应插入进液管或出液管内的对接管，所述对接管外壁形成有与进液管或出液管管壁配合密封的倒刺部。
 有益效果
采用上述技术方案后，本申请实施例至少具有如下有益效果：本申请实施例通过将管接头上用于插接于泵壳的安装孔的插接管设计为自泵壳内部向外部方向分段依次增粗的阶梯轴管，且泵壳上的安装孔也对应设计为与所述插接管相适配的阶梯孔状，还在所述插接管的至少两个阶梯段上分别套设有密封圈，当插接管插接于安装孔内时，即可实现阶梯式多阶密封效果，即使在位于最内侧的密封圈因长期浸泡冷却液而老化漏液，插接管的阶梯段衔接过渡处的台阶也可以阻挡冷却液接触腐蚀下一个密封圈，使得插接管与安装孔之间的密封效果更加稳定且持久。另外，通过设置锁紧机构来穿过开设于安装孔孔壁的插孔并卡接于插接管外侧壁的卡接槽内，而实现对所述插接管的轴向固定，保证插接管能稳固地组装于安装孔内，不会从安装孔内脱落。
 附图说明
图1为本申请液冷散热泵的一个可选实施例的拆分状态结构示意图。
图2为本申请液冷散热泵的一个可选实施例沿一个管接头中轴面的剖面示意图。
图3为本申请液冷散热泵的另一个可选实施例的拆分状态结构示意图。
图4为本申请液冷散热泵的另一个可选实施例沿一个管接头中轴面的剖面示意图。
图5为本申请液冷散热泵的管接头连接结构的一个可选实施例的卡制弹片的立体结构示意图。
图6为本申请液冷散热泵的另一个可选实施例的管接头的立体结构示意图。
图7为本申请液冷散热泵的一个可选实施例中底壳的立体结构示意图。
图8为本申请液冷散热泵的一个可选实施例中底壳沿一个安装孔的剖面示意图。
 本发明的实施方式
下面结合附图和具体实施例对本申请作进一步详细说明。应当理解，以下的示意性实施例及说明仅用来解释本申请，并不作为对本申请的限定，而且，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互结合。
如图1-图4所示，本申请一个可选实施例提供一种液冷散热泵的管接头连接结构，用于将管接头3密封连接于液冷散热泵的泵壳1上，所述管接头连接结构包括开设于所述泵壳1壳壁上且与所述泵壳1的内腔相连通的安装孔10、设于所述管接头3一端且对应插设于所述安装孔10内的插接管30以及套设于所述插接管30上而封闭所述插接管30外壁与安装孔10内壁之间的间隙的密封圈4，所述插接管3是自靠所述泵壳1内部的一端向靠所述泵壳1外部的一端分段依次增粗的阶梯轴管，所述插接管30的至少两个阶梯段上分别套设有所述密封圈4，所述安装孔10为与所述插接管30相适配的阶梯孔状；所述插接管30的外侧壁上还开设有卡接槽301，所述安装孔10的孔壁上对应开设有插孔101，另有锁紧机构5一端穿过所述插孔101并对应卡接于所述卡接槽301内而在所述插接管30的轴向上固定住所述管接头3。
本申请实施例通过将管接头3上用于插接于泵壳1的安装孔10的插接管30设计为自泵壳1内部向外部方向分段依次增粗的阶梯轴管，且泵壳1上的安装孔10也对应设计为与所述插接管30相适配的阶梯孔状，还在所述插接管30的至少两个阶梯段上分别套设有密封圈4，当插接管30插接于安装孔10内时，即可实现阶梯式多重密封效果，即使在位于最内侧的密封圈4因长期浸泡冷却液而老化漏液，插接管30的阶梯段衔接过渡处的台阶也可以阻挡冷却液接触腐蚀下一个密封圈，使得插接管30与安装孔10之间的密封效果更加稳定且持久。另外，通过设置锁紧机构5来穿过开设于安装孔10孔壁的插孔101并卡接于插接管30外侧壁的卡接槽301内，而实现对所述插接管30的轴向固定，保证插接管30能稳固地组装于安装孔10内，不会从安装孔10内脱落。在具体实施过程中，所述锁紧机构5可以是插销、卡簧等结构。
本申请另一个可选实施例中，如图1-图6所示，所述插接管30的一个阶梯段上还设有定位凸环303，所述定位凸环303外径与所述安装孔10相应位置的内径公差配合而在径向上定位所述插接管30，所述密封圈4套设在所述插接管30上比所述定位凸环303更靠近所述泵壳1内部的位置处。本实施例通过在插接管30的一个阶梯段上设置定位凸环303，并由所述定位凸环303的外径与安装孔10相应位置处的内径公差配合定位所述插接管30插入所述安装孔10的径向位置，方便限定插接管30与安装孔10轴线一致性。
在本申请又一个可选实施例中，如图1-图4所示，所述插接管30远离所述泵壳1一端的阶梯段还相应外凸形成有用于对应抵接在所述安装孔10外端孔口外围的壳壁外表面以限定所述插接管30在所述安装孔10内的插入深度的挡止凸块305。本实施例通过在插接管30远离所述泵壳1一端管外壁外凸形成挡止凸块305，在插接安装所述插接管30时，由所述挡止凸块305抵接于所述安装孔10外端孔口外围的壳壁外表面而限定插接管30在安装孔10内的插接深度，方便定位所述管接头3在所述安装孔10内的轴向位置。
在本申请又一个可选实施例中，如图1-图4所示，所述锁紧机构5为一端作为固定端501对应固定于所述泵壳1上而相对一端作为卡制端503而对应成型有卡口5030的卡制弹片50，所述卡制弹片50的成型有卡口5030的一端穿过所述插孔101而伸入所述安装孔10内并对应卡接于所述插接管30的卡接槽301内，所述卡口5030周缘对应贴合于所述卡接槽301底壁。本实施例中，锁紧机构5为的一端固定于泵壳1而相对一端成为具有卡口5030的卡制弹片50，所述卡制弹片50以卡口5030所在一端伸入所述插孔101而卡接抵入所述插接管30的卡接槽301内，所述卡口5030周缘与卡接槽301底壁相贴合，结构紧凑，卡接牢固，实现对插接管30在其轴向上的固定，安装操作相对简单快捷。在具体实施时，所述卡接槽301设于所述插接管30相应阶梯段的外侧壁并沿周向设置，所述插孔101为半圆孔，卡制弹片50锁紧所述管接头3时，管接头3仍可以以插接管30在所述安装孔10内相对泵壳1进行周向旋转，便于管接头3后续的避位安装。
在本申请又一个可选实施例中，如图4-图6所示，所述卡接槽301内还设有自槽侧壁或槽底壁凸出形成的限位凸块3010，所述卡制弹片50的卡制端503的外端缘在所述卡口5030的相对两侧各自弯折形成有限位挡片5032，所述卡制弹片50插入所述卡接槽301内时，所述限位凸块3010与所述卡接槽301的其中一个槽侧壁分别在所述安装孔10的轴向上抵接所述卡制端503的相对两侧表面，而两个所述限位挡片5032对应位于所述卡接槽301内并与所述限位凸块3010配合限定所述管接头3围绕所述安装孔10的中轴线旋转的角度行程范围。本实施例通过在卡接槽301内凸出形成限位凸块3010，卡制弹片50的卡制端503在卡口5030相对两侧各自弯折形成限位挡片5032，在进行锁紧操作时，所述卡制弹片50插入所述卡接槽301内并由限位凸块3010与相对一侧的卡接槽301的槽壁夹紧固定所述卡制弹片50，而卡制弹片50的卡制端503的外端缘在所述卡口5030的相对两侧各自弯折形成有限位挡片5032与所述限位凸块3010抵接配合可以限定所述管接头3围绕所述安装孔10的中轴线旋转的角度行程范围。在具体安装管接头3的过程中，先将所述插接管30插入到安装孔10内并旋转至预定角度，再卡入所述卡制弹片50直至其上的一个所述限位挡片5032越过所述限位凸块3010，所述插接管30周向旋转而使所述限位凸块3010的相对两侧面与任一个限位挡片5032相抵接的范围内可以实现对管接头3的接出方向进行调整。
在本申请又一个可选实施例中，如图1、图3、图4和图5所示，所述卡制弹片50的固定端501和卡制端503之间的部分经过至少两次弯折，且所述固定端501与所述卡制端503平行。本实施例通过将卡制弹片50的固定端501和卡制端503之间的部分进行至少两次弯折，大大增强卡制弹片50的韧性，不易折断；同时也增大了固定端501和卡制端503的弹性形变量，容错范围大，便于卡接操作；同时所述固定端501与所述卡制端503平行，确保施加于卡接槽301内的锁紧力与插接管3轴向垂直，固定效果好。
本申请另一个可选实施例中，如图3和图5所示，所述卡制弹片50的固定端501开设有自所述固定端501的外端缘凹入形成的锁定凹槽5010，所述泵壳1包括相互盖合并固定组装的底壳12和盖板14，所述安装孔10成型于底壳12上，所述盖板14上对应于所述锁定凹槽5010处凸伸出锁定柱141，所述盖板14固定组装至所述底壳12上时以所述锁定柱141对应卡嵌入所述锁定凹槽5010内而锁固所述卡制弹片50。本实施例通过在固定端501的外端缘凹入形成的锁定凹槽5010，泵壳1的盖板14对应凸伸出锁定柱141，所述盖板14以所述锁定柱141卡嵌入所述锁定凹槽5010内而将所述卡制弹片50的固定端501锁固于泵壳1上，结构简单，连接稳定。在具体实施时，所述盖板14可以通过螺丝16锁固于底壳12上并同时压紧所述锁定柱141抵紧所述锁定凹槽5010，结构稳固性好。
本申请又一个可选实施例中，如图3所示，所述锁定柱141末端沿径向凸伸出防止所述锁定柱141自所述卡制弹片50的锁定凹槽5010脱出的止退凸环1410。本实施例通过在锁定柱141的末端沿径向凸伸出止退凸环1410，能够防止锁定柱141自所述卡制弹片50的锁定凹槽5010内脱出，增强结构稳定性。
另一方面，如图1-图4所示，在本申请另一实施例中，还进一步提供一种液冷散热泵，包括泵壳1以及组装于所述泵壳1上且与所述泵壳1的内腔相连通的管接头3，所述管接头3通过如上述任一项所述的液冷散热泵的管接头连接结构密封连接于所述泵壳1上。本实施例通过将液冷散热泵上的管接头连接结构设为上述任一项所述的管接头连接组件，由阶梯管状插接管30与阶梯孔状安装孔10相互适配形成阶梯式多阶密封防水结构，使管接头3与泵壳1之间的密封效果稳定且持久，同时设置锁紧机构5提升管接头3与泵壳1在插接管30轴向上的连接稳固性，不会轻易脱落。
本申请又一个可选实施例中，如图1、图4、图7和图8所示，所述泵壳1上设置有两个安装孔10，每个安装孔10处各对应密封连接一个所述管接头3以分别对应连接进液管（图未示出）和出液管（图未示出），所述泵壳1的内腔由隔板18分隔为第一腔室181和第二腔室183，所述隔板18上还开设有对应连通所述第一腔室181和第二腔室183的贯通孔182，所述第一腔室181与所述第二腔室183各自连通一个所述安装孔10，所述管接头3用于连接进液管或出液管的一端设有对应插入进液管或出液管内的对接管32，所述对接管32外壁形成有与进液管或出液管管壁配合密封的倒刺部321。本实施例通过设置隔板18将泵壳1的内腔分为第一腔室181和第二腔室183，且第一腔室181和第二腔室183通过分隔板18上开设的贯通孔182相连通，泵壳1上设置的两个安装孔10以其末端的连通孔102分别与所述第一腔室181与所述第二腔室183相连通，用于将进液管引进的冷却液和出液管吸出的完成吸热作业后的冷却液分别引进不同的腔室内，形成完整的冷却液循环路线，实现高效热交换；同时，在实际安装使用时，将泵壳1连通进液管的一侧腔室（第一腔室181与所述第二腔室183中的一个）的外壳壁紧贴于外部热源电器设置，可以进一步提升液冷散热泵对相应外部电器的散热效率。且在管接头3相对于插接管30的一端设置对接管32，所述对接管32通过其末端的倒刺部321实现与进液管或出液管密封连接，方便插接连接操作。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多变化形式，这些均属于本申请的保护范围之内。

Claims (14)

  1. 一种液冷散热泵的管接头连接结构，用于将管接头密封连接于液冷散热泵的泵壳上，所述管接头连接结构包括开设于所述泵壳壳壁上且与所述泵壳的内腔相连通的安装孔、设于所述管接头一端且对应插设于所述安装孔内的插接管以及套设于所述插接管上而封闭所述插接管外壁与安装孔内壁之间的间隙的密封圈，其特征在于，所述插接管是自靠所述泵壳内部的一端向靠所述泵壳外部的一端分段依次增粗的阶梯轴管，所述插接管的至少两个阶梯段上分别套设有所述密封圈，所述安装孔为与所述插接管相适配的阶梯孔状；所述插接管的外侧壁上还开设有卡接槽，所述安装孔的孔壁上对应开设有插孔，另有锁紧机构一端穿过所述插孔并对应卡接于所述卡接槽内而在所述插接管的轴向上固定住所述管接头。
  2. 如权利要求1所述的液冷散热泵的管接头连接结构，其特征在于，所述插接管的一个阶梯段上还设有定位凸环，所述定位凸环外径与所述安装孔相应位置的内径公差配合而在径向上定位所述插接管，所述密封圈套设在所述插接管上比所述定位凸环更靠近所述泵壳内部的位置处。
  3. 如权利要求1所述的液冷散热泵的管接头连接结构，其特征在于，所述插接管远离所述泵壳一端的阶梯段还相应外凸形成有用于对应抵接在所述安装孔外端孔口外围的壳壁外表面以限定所述插接管在所述安装孔内的插入深度的挡止凸块。
  4. 如权利要求1所述的液冷散热泵的管接头连接结构，其特征在于，所述锁紧机构为一端作为固定端对应固定于所述泵壳上而相对一端作为卡制端而对应成型有卡口的卡制弹片，所述卡制弹片的成型有卡口的一端穿过所述插孔而伸入所述安装孔内并对应卡接于所述插接管的卡接槽内，所述卡口周缘对应贴合于所述卡接槽底壁。
  5. 如权利要求4所述的液冷散热泵的管接头连接结构，其特征在于，所述卡接槽内还设有自槽侧壁或槽底壁凸出形成的限位凸块，所述卡制弹片的卡制端的外端缘在所述卡口的相对两侧各自弯折形成有限位挡片，所述卡制弹片插入所述卡接槽内时，所述限位凸块与所述卡接槽的其中一个槽侧壁分别在所述安装孔的轴向上抵接所述卡制端的相对两侧表面，而两个所述限位挡片对应位于所述卡接槽内并与所述限位凸块配合限定所述管接头围绕所述安装孔的中轴线旋转的角度行程范围。
  6. 如权利要求4所述的液冷散热泵的管接头连接结构，其特征在于，所述卡制弹片的固定端和卡制端之间的部分经过至少两次弯折，且所述固定端与所述卡制端平行。
  7. 如权利要求4所述的液冷散热泵的管接头连接结构，其特征在于，所述卡制弹片的固定端开设有自所述固定端的外端缘凹入形成的锁定凹槽，所述泵壳包括相互盖合并固定组装的底壳和盖板，所述安装孔成型于底壳上，所述盖板上对应于所述锁定凹槽处凸伸出锁定柱，所述盖板固定组装至所述底壳上时以所述锁定柱对应卡嵌入所述锁定凹槽内而锁固所述卡制弹片。
  8. 如权利要求5所述的液冷散热泵的管接头连接结构，其特征在于，所述卡制弹片的固定端开设有自所述固定端的外端缘凹入形成的锁定凹槽，所述泵壳包括相互盖合并固定组装的底壳和盖板，所述安装孔成型于底壳上，所述盖板上对应于所述锁定凹槽处凸伸出锁定柱，所述盖板固定组装至所述底壳上时以所述锁定柱对应卡嵌入所述锁定凹槽内而锁固所述卡制弹片。
  9. 如权利要求6所述的液冷散热泵的管接头连接结构，其特征在于，所述卡制弹片的固定端开设有自所述固定端的外端缘凹入形成的锁定凹槽，所述泵壳包括相互盖合并固定组装的底壳和盖板，所述安装孔成型于底壳上，所述盖板上对应于所述锁定凹槽处凸伸出锁定柱，所述盖板固定组装至所述底壳上时以所述锁定柱对应卡嵌入所述锁定凹槽内而锁固所述卡制弹片。
  10. 如权利要求7所述的液冷散热泵的管接头连接结构，其特征在于，所述锁定柱末端沿径向凸伸出防止所述锁定柱自所述卡制弹片的锁定凹槽脱出的止退凸环。
  11. 如权利要求8所述的液冷散热泵的管接头连接结构，其特征在于，所述锁定柱末端沿径向凸伸出防止所述锁定柱自所述卡制弹片的锁定凹槽脱出的止退凸环。
  12. 如权利要求9所述的液冷散热泵的管接头连接结构，其特征在于，所述锁定柱末端沿径向凸伸出防止所述锁定柱自所述卡制弹片的锁定凹槽脱出的止退凸环。
  13. 一种液冷散热泵，包括泵壳以及组装于所述泵壳上且与所述泵壳的内腔相连通的管接头，其特征在于，所述管接头通过如权利要求1-12任一项所述的液冷散热泵的管接头连接结构密封连接于所述泵壳上。
  14. 如权利要求13所述的液冷散热泵，其特征在于，所述泵壳上设置有两个安装孔，每个安装孔处各对应密封连接一个所述管接头以分别对应连接进液管和出液管，所述泵壳的内腔由隔板分隔为第一腔室和第二腔室，所述隔板上还开设有对应连通所述第一腔室和第二腔室的贯通孔，所述第一腔室与所述第二腔室各自连通一个所述安装孔，所述管接头用于连接进液管或出液管的一端设有对应插入进液管或出液管内的对接管，所述对接管外壁形成有与进液管或出液管管壁配合密封的倒刺部。
PCT/CN2022/118675 2022-08-05 2022-09-14 液冷散热泵及其管接头连接结构 WO2024026981A1 (zh)

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