A joint float and swing fluid connector
By using a fluid connector with a floating and swinging joint, and utilizing a combination design of adjusting rings and sealing rings, the installation complexity and sealing reliability of large-size liquid cooling connectors are solved. This achieves fast and accurate blind mating and efficient sealing, improving the safety and efficiency of the heat dissipation systems of new energy vehicles and server clusters.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI LANKELEC
- Filing Date
- 2025-07-01
- Publication Date
- 2026-06-26
AI Technical Summary
Existing large-size liquid cooling connectors suffer from high installation complexity, insufficient blind mating accuracy, inadequate sealing reliability, and leakage risk in high-performance liquid cooling systems, limiting their application in scenarios such as thermal management of new energy vehicle batteries and heat dissipation of server clusters.
A fluid connector with floating and oscillating joints was designed. By combining an adjusting ring and a sealing ring, the radial floating and angular oscillation of the joints can be achieved. Combined with double sealing rings, the sealing performance is improved, the installation process is simplified, and the blind mating accuracy is improved.
It enables fast and precise blind-fit docking, improving installation efficiency, and ensures reliable sealing through double sealing rings, preventing coolant leakage and enhancing system safety and efficiency.
Smart Images

Figure CN224414614U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical engineering, particularly to the field of pipe fittings, and further to the field of liquid cooling fittings for new energy vehicles, especially a fluid connector with a floating and swinging joint. Background Technology
[0002] In the field of liquid cooling technology, especially in high-power applications such as thermal management of new energy vehicle batteries and server cluster cooling, there is an increasing demand for large-size liquid cooling connectors capable of handling large flow rates of coolant. These applications typically require connectors with high flow rates, high reliability, and ease of operation.
[0003] However, existing large-size liquid-cooled connectors generally suffer from the following technical defects when meeting the above-mentioned high requirements:
[0004] 1. High installation complexity and insufficient blind mating accuracy: In situations requiring blind mating (such as in confined spaces or automated assembly), existing connectors suffer from the cumulative effect of manufacturing tolerances in multiple components such as guide rails, clamps, and connector bodies, making it difficult to achieve fast and accurate blind mating. This results in low installation efficiency and operational difficulties.
[0005] 2. Insufficient Sealing Reliability and Leakage Risk: High-flow-rate conditions place higher demands on the sealing structure. Existing connector sealing designs often struggle to effectively cope with system pressure fluctuations or aging caused by long-term use, making coolant leakage prone to occur. This not only results in the loss of valuable cooling medium but may also lead to equipment short circuits, corrosion, and even environmental pollution and safety accidents.
[0006] The aforementioned problems severely restrict the widespread application of large-size liquid cooling connectors in high-performance liquid cooling systems, limiting the improvement of overall system safety and efficiency. Utility Model Content
[0007] The purpose of this invention is to provide a fluid connector with a floating and swinging joint. This type of sealed and protected floating and swinging liquid connector aims to solve the technical problems of high installation complexity, insufficient blind mating accuracy, insufficient sealing reliability, and leakage risk in the prior art.
[0008] A fluid connector with a floating and oscillating joint includes a connector body and a connector seat. The connector seat has a cavity, a connection hole on its front side, and a connection tube on its rear side, both communicating with the cavity. The connector body includes a front portion and a rear portion, the rear portion passing through the connection hole and positioned within the cavity. The diameter of the connection hole is larger than the outer diameter of the front portion. A retaining ring is provided on the side wall of the connector body, located between the front and rear portions, with the front side of the retaining ring aligned with the rear side of the connection hole. The joint has an edge abutment; an adjusting ring is fitted at the rear end of the joint, the inner wall of the adjusting ring is connected to the outer wall of the rear of the joint by a first sealing ring, the rear end face of the adjusting ring is connected to the inner wall of the rear side of the seat cavity by a second sealing ring, the inner wall of the adjusting ring is also provided with a self-aligning ring, the rear end edge of the joint is provided with a chamfered edge, and the self-aligning ring is slidably connected to the chamfered edge; the inner diameter of the seat cavity is larger than the outer diameter of the adjusting ring and the outer diameter of the retaining ring; the inner diameter of the adjusting ring is larger than the outer diameter of the rear of the joint; a spring is provided between the rear side of the retaining ring and the front end of the adjusting ring.
[0009] Furthermore, the connector body is provided with a connector cavity that runs through the front and back, and a connector valve is provided in the connector cavity.
[0010] Furthermore, a limiting ring is provided at the rear end of the connector, and the outer ring of the limiting ring abuts against the inner ring of the self-aligning ring.
[0011] Furthermore, the front end of the adjusting ring is provided with a mounting groove, and the first sealing ring is disposed in the mounting groove; a spring retaining ring is engaged at the front end of the mounting groove, and the spring abuts against the spring retaining ring.
[0012] Furthermore, the self-aligning ring is made of polytetrafluoroethylene.
[0013] Compared with existing technologies, the advantages of this invention are positive and obvious:
[0014] The adjusting ring of this invention can float radially within the seat cavity, and the rear part of the connector can swing at a certain angle with the adjusting ring, thereby adapting to the mating tolerance, realizing fast and accurate blind mating, improving installation efficiency, and simplifying operation.
[0015] This invention improves the sealing effect of moving parts by using a double seal of a first sealing ring and a second sealing ring, thus preventing leakage. Attached Figure Description
[0016] Figure 1 A schematic diagram of the structure of an embodiment of this utility model.
[0017] Figure 2A cross-sectional structural diagram of an embodiment of this utility model.
[0018] Figure 3 A cross-sectional structural diagram of the embodiment of this utility model during the swinging motion.
[0019] Figure 4 A cross-sectional structural diagram of the floating embodiment of this utility model.
[0020] In the diagram: 1. Connector body; 101. Front part of connector; 102. Rear part of connector; 103. Retaining ring; 104. Connector cavity; 105. Limiting ring; 2. Connector seat; 201. Seat cavity; 202. Connecting hole; 203. Connecting pipe; 3. Adjusting ring; 301. First sealing ring; 302. Self-aligning ring; 303. Second sealing ring; 4. Spring; 5. Connector valve. Detailed Implementation
[0021] The following embodiments will further illustrate the present invention, but are not intended to limit the present invention.
[0022] like Figures 1 to 4 As shown, this embodiment provides a fluid connector with a floating and swinging joint, including a connector body 1 and a connector seat 2; the connector body 1 is a male connector. Assuming that pipe A is connected to pipe B, a female connector (not shown in the figure) is provided at the end of pipe A, and a connector seat 2 is connected at the end of pipe B. In this embodiment, the connector body 1 is connected to the female connector, thereby realizing the connection between pipe A and pipe B.
[0023] The connector seat 2 has a seat cavity 201. A connection hole 202 is provided on the front side of the connector seat 2, and a connection pipe 203 is provided on the rear side. The connection hole 202 and the connection pipe 203 are respectively connected to the seat cavity 201.
[0024] The connector body 1 includes a front part 101 and a rear part 102. The front part 101 is connected to the aforementioned female connector, and the rear part 102 passes through the connecting hole 202 and is placed inside the seat cavity 201. The diameter of the connecting hole 202 is larger than the outer diameter of the front part 101, leaving a gap between the front part 101 and the edge of the connecting hole 202, thereby providing the travel space for the radial floating of the connector body 1.
[0025] A retaining ring 103 is fixedly provided on the side wall of the connector body 1. The retaining ring 103 is located between the front part 101 and the rear part 102 of the connector. The front side of the retaining ring 103 abuts against the edge of the rear side of the connecting hole 202, thereby restricting the rear part 102 of the connector within the seat cavity 201.
[0026] An adjusting ring 3 is fitted onto the rear end of the connector rear part 102. The adjusting ring 3 is the core component that enables the connector body 1 to float and swing. The inner wall of the adjusting ring 3 is connected to the outer wall of the connector rear part 102 through a first sealing ring 301, and the rear end face of the adjusting ring 3 is sealed to the inner wall of the rear side of the seat cavity 201 through a second sealing ring 303. The double sealing of the first sealing ring 301 and the second sealing ring 303 improves the sealing effect of the moving parts and prevents leakage. At the same time, under a certain external force, the second sealing ring 303 can overcome the friction of the second sealing ring 303 to slide, thereby achieving radial floating while maintaining sealing performance.
[0027] The inner wall of the adjusting ring 3 is also provided with a self-aligning ring 302, which is made of polytetrafluoroethylene (PTFE) and provides lubrication. The rear edge of the connector rear part 102 is provided with a chamfered edge. The self-aligning ring 302 matches the shape of the chamfered edge, and the self-aligning ring 302 and the chamfered edge are slidably connected, allowing the connector body 1 to slide along the chamfer and the self-aligning ring 302, thereby causing the connector body 1 to tilt and swing slightly. A limit ring 105 is provided at the rear end of the connector rear part 102. The outer ring of the limit ring 105 abuts against the inner ring of the self-aligning ring 302 to achieve a limiting effect, thereby controlling the tilt angle of the connector body 1. Figure 3 The α in the formula is used to restrict the input.
[0028] The inner diameter of the seat cavity 201 is larger than the outer diameter of the adjusting ring 3 and the outer diameter of the retaining ring 103, providing travel space for the radial floating of the connector body 1 (together with the adjusting ring 3). The diameter difference is the maximum radial floating travel. Figure 4 (a) The inner diameter of the adjusting ring 3 is larger than the outer diameter of the rear part 102 of the connector, thereby providing travel space for the tilting and swinging of the connector body 1.
[0029] A spring 4 is provided between the rear side of the retaining ring 103 and the front end of the adjusting ring 3. The spring 4 uses its elasticity to make the retaining ring 103 abut against the rear edge of the connecting hole 202 and the second sealing ring 303 abut against the inner wall of the seat cavity 201, thereby improving the sealing performance. At the same time, the spring 4 can also generate sufficient torque after the connector body 1 tilts and swings, so that the second sealing ring 303 can slide against the inner wall of the seat cavity 201 against friction. The front end of the adjusting ring 3 is provided with a mounting groove, and the first sealing ring 301 is placed in the mounting groove. The front end of the mounting groove is engaged with a spring retaining ring, and the spring 4 abuts against the spring retaining ring. After removing the spring retaining ring, the first sealing ring 301 can be installed in the mounting groove, making the assembly more convenient.
[0030] The connector body 1 is provided with a connector cavity 104 that runs through the front and back. The connector cavity 104 is provided with a connector valve 5. The connector valve 5 is connected to the aforementioned female connector and can be installed with any suitable connector valve 5 according to the application scenario.
[0031] Specifically, the connector valve 5 and the mating connector cavity 104 both adopt well-known technical solutions in the prior art, which will not be elaborated here.
[0032] How to use this embodiment:
[0033] For example, pipe A needs to be connected to pipe B through the connector in this embodiment. A female head (not shown in the figure) is fixed at the end of pipe A, and a connector seat 2 is fixed at the end of pipe B. The rear part 102 of the connector is in the connector seat 2, and the front part 101 of the connector is connected to the female head, thereby realizing the connection between pipe A and pipe B.
[0034] In this example, due to the cumulative manufacturing tolerances, pipes A and B have a certain amount of axial misalignment. During connection, the connector body 1 is first tilted and swung to align with the female connector. Then, the adjusting ring 3 moves radially within the seat cavity 201 due to the torque generated by the spring 4 after the connector body 1 is tilted, making the axis of the connector body 1 parallel to the axis of the connector seat 2 again, thereby achieving a quick blind insertion effect. This connects the two pipes A and B, whose axes are offset from each other. After connection, under the action of the spring 4, the second sealing ring 303 abuts tightly and evenly against the seat cavity 201, further improving the sealing effect.
[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A fluid connector with a floating and oscillating joint, characterized in that: Includes the connector body (1) and the connector seat (2); The connector seat (2) is provided with a seat cavity (201), and a connection hole (202) is provided on the front side of the connector seat (2) and a connection pipe (203) is provided on the rear side. The connection hole (202) and the connection pipe (203) are respectively connected to the seat cavity (201); The connector body (1) includes a front part (101) and a rear part (102). The rear part (102) passes through the connecting hole (202) and is disposed in the seat cavity (201). The diameter of the connecting hole (202) is larger than the outer diameter of the front part (101). A retaining ring (103) is provided on the side wall of the connector body (1). The retaining ring (103) is located between the front part (101) and the rear part (102). The front side of the retaining ring (103) abuts against the edge of the rear side of the connecting hole (202). An adjusting ring (3) is fitted at the rear end of the connector rear part (102). The inner wall of the adjusting ring (3) is connected to the outer wall of the connector rear part (102) through a first sealing ring (301). The rear end face of the adjusting ring (3) is connected to the inner wall of the rear side of the seat cavity (201) through a second sealing ring (303). The inner wall of the adjusting ring (3) is also provided with a self-aligning ring (302). The rear end edge of the connector rear part (102) is provided with a chamfered edge. The self-aligning ring (302) is slidably connected to the chamfered edge. The inner diameter of the seat cavity (201) is greater than the outer diameter of the adjusting ring (3) and the outer diameter of the retaining ring (103); the inner diameter of the adjusting ring (3) is greater than the outer diameter of the rear part (102) of the connector; A spring (4) is provided between the rear side of the retaining ring (103) and the front end of the adjusting ring (3).
2. The fluid connector with a floating and oscillating joint according to claim 1, characterized in that: The connector body (1) is provided with a connector cavity (104) that runs through the front and back, and a connector valve (5) is provided in the connector cavity (104).
3. A fluid connector with a floating and oscillating joint according to claim 1, characterized in that: The rear end of the connector (102) is provided with a limiting ring (105), and the outer ring of the limiting ring (105) abuts against the inner ring of the self-aligning ring (302).
4. A fluid connector with a floating and oscillating joint according to claim 1, characterized in that: The front end of the adjusting ring (3) is provided with an installation groove, and the first sealing ring (301) is disposed in the installation groove; a spring retaining ring is snapped into the front end of the installation groove, and the spring (4) abuts against the spring retaining ring.
5. A fluid connector with a floating and oscillating joint according to claim 1, characterized in that: The self-aligning ring (302) is made of polytetrafluoroethylene.