Fluid connector and electro-hydraulic integrated connector for mobile thermal management system

Abstract

The invention discloses a fluid connector and an electro-hydraulic integrated connector for a mobile thermal management system. The fluid connector comprises a seat end part, a power input part, a rotary telescopic part and a head end part, the socket end part comprises a socket shell and a plurality of liquid outlet ends which are fixedly sleeved in the socket shell; a base ring of the power input part is located at a circular ring opening of the socket shell and a driving gear ring is rotationally connected with the inner wall of a mounting cavity of the socket shell; the rotary telescopic part comprises a plurality of planetary gears rotationally connected with the mounting cavity, a telescopic shaft rotationally connected with the socket shell and a damper radially mounted on the fixed tube in a floating manner, and a spiral guide slide way of the telescopic shaft and the damper form a screw nut pair, so that the telescopic shaft stretches back and forth; the head end part comprises a plug shell and a plurality of liquid inlet end heads which are fixedly connected with the plug shell in a sleeving manner; the seat end part moves back and forth along with the telescopic shaft, and the seat end part and the head end part are connected for liquid passing or separated for liquid stopping. The device has the effects of saving labor, being convenient to operate, rapidly cooling the battery pack, being convenient and rapid to charge, being safe to use and being long in service life.

Description

Technical Field

[0001] This invention relates to the field of new energy thermal management, and particularly to fluid connectors and electro-hydraulic integrated connectors for mobile thermal management systems. Background Technology

[0002] In the field of new energy flight equipment, especially electric flying cars, the power supply for these devices is new energy batteries (such as lithium-ion batteries). To achieve lightweight design, these devices lack a built-in thermal management system. The vertical descent phase of an electric flying car is the most energy-consuming part of its flight, requiring deceleration and precise maneuvers. This significant energy consumption heats the batteries, with temperatures reaching 60 degrees Celsius or higher. However, the optimal operating temperature range for batteries is 10 to 45 degrees Celsius. Since current devices lack a thermal management system and rely on natural cooling to this optimal operating temperature range, the problems are twofold: First, the batteries cannot be cooled quickly, resulting in prolonged exposure to excessively high temperatures, which can lead to dangerous overheating and degradation of the battery pack. Second, after landing, electric flying cars require rapid charging for reuse. Poor thermal management during rapid charging causes the battery pack to operate at high temperatures, resulting in uneven and slow charging, accelerating battery pack degradation and even posing safety risks. Therefore, rapid charging and restarting of electric flying cars is not feasible, leading to low equipment utilization. Summary of the Invention

[0003] To address one or more of the above problems, the present invention provides a fluid connector and an electro-hydraulic integrated connector for a mobile thermal management system.

[0004] According to one aspect of the present invention, the fluid connector for a mobile thermal management system includes: a seat end, a power input part, a rotary telescopic part, and a head end;

[0005] The end of the socket includes a socket housing and multiple liquid outlet heads that are fixedly connected to the socket housing. The socket housing has a circular opening in the middle and an installation cavity that communicates with the circular opening. The middle section of the liquid outlet head is located in the installation cavity, its rear end is connected to the liquid supply pipe through an interference fit, and its front end has an elastic floating sealing head.

[0006] The power input section includes a power wheel, a base ring concentrically connected within the power wheel, and a drive gear ring fixed to the front end wall of the base ring. The base ring is located at the opening of the circular ring, and the drive gear ring is rotatably connected to the inner wall of the mounting cavity.

[0007] The rotary telescopic part includes multiple planetary gears that are rotatably connected to the front wall of the mounting cavity, a telescopic shaft that is rotatably connected to the front end plate of the socket housing, and a damper that is radially floating at the rear end of the fixed tube. The large-diameter input tooth end of the planetary gear meshes with the active gear ring, and the small-diameter output tooth end meshes with the driven gear of the telescopic shaft. The outer wall of the front end of the telescopic shaft is provided with multiple spiral guide slides in a circular array. When the power wheel is rotated, the damper enters the guide slide along the guide arc surface of the telescopic shaft to form a screw and nut pair, so that the telescopic shaft can extend and retract back and forth.

[0008] The head end includes a plug housing and multiple liquid inlet heads that are fixedly connected to the plug housing. The intermediate shaft hole of the plug housing is fixedly connected to a fixed tube. The front end of the liquid inlet head is inserted into the pipeline of the movable heat source end, and its rear end is provided with an elastic floating sealing end cap.

[0009] The seat end moves forward with the telescopic shaft, and the sealing top pushes the sealing end cap to make the liquid inlet end and the liquid outlet end connected, and the seat end is coupled to the head end; the seat end moves backward with the telescopic shaft, and the two separate.

[0010] In some embodiments, the power input unit also includes a plurality of radially arranged connecting arms in a circular array. The outer end of the connecting arm is located within the radial cut of the power wheel and is connected by a threaded component. The inner end of the connecting arm is located within the connecting groove of the base ring. The threaded component passes through the through holes of the base ring and the connecting arm and is screwed into the threaded hole of the drive gear ring, so that the three are connected as one unit.

[0011] In some embodiments, at least one vertical tube is integrally formed at the rear end of the base ring, an axial spring and a locking steel ball are sleeved inside the vertical tube, and the rear end of the rear base plate of the socket housing is provided with a locking hole with a conical structure, and the locking steel ball elastically presses against the locking hole.

[0012] The outer end of the liquid supply pipe is wrapped with an outer sheath, and the flange of the rear base plate and the outer sheath are fixedly connected by threaded parts.

[0013] In some embodiments, the two planetary gears are symmetrically positioned above and below the center of the two liquid outlet ends;

[0014] The planetary gear includes a gear body, an input tooth end, and an output tooth end arranged coaxially. The gear body of one planetary gear is integrally formed at the rear end of the input tooth end, and the output tooth end is integrally formed at the front end of the input tooth end. The output tooth end and the input tooth end are integrally formed at the front and rear ends of the gear body of the other opposite planetary gear, respectively, so that the two input tooth ends mesh with the front and rear ends of the driving gear ring, respectively.

[0015] The central shaft hole at the output tooth end is rotatably connected to the end shaft of the mounting cavity;

[0016] The pitch circle diameter of the driven gear is greater than the pitch circle diameter of the output tooth tip but less than the pitch circle diameter of the input tooth tip.

[0017] In some embodiments, the cylindrical shaft of the telescopic shaft is integrally provided with a passive gear at the rear end and a sliding column that is diametrically matched with the sliding hole of the fixed tube at the front end. The outer wall of the sliding column is provided with a plurality of spiral guide slides arranged in a circumferential array. A guide arc surface is formed on one side of the front port of the guide slide and a stop groove is provided on its rear end wall to position the end of the damping column.

[0018] In some embodiments, the outer keyway on the outer peripheral wall of the fixed pipe is press-fitted through the inner keyway of the intermediate connecting pipe;

[0019] The axial sliding hole of the fixed tube has multiple radial connecting holes arranged in a circumferential array at its front end, and a large-diameter limiting groove is provided at the outer end of each radial connecting hole.

[0020] The damping lock includes a large-diameter limit cap and a small-diameter damping column. The damping column is integrally connected to the lower end of the limit cap. The limit cap is placed in the limit groove. The damping column slides through the radial connecting hole and enters the sliding hole with the same diameter.

[0021] In some embodiments, an anti-loosening part is also included. The anti-loosening component includes a screw hole block, an anti-loosening washer, and a locking member. The outer wall of the screw hole block is provided with multiple transverse through holes. The screw hole block is connected to the threaded section of the liquid inlet end and makes the anti-loosening washer fit tightly against the front wall of the plug housing. The locking member passes through the through holes of adjacent screw hole blocks and the two ends are locked to form a fixing ring, forming a reliable connection structure with double anti-detachment.

[0022] Alternatively, the locking mechanism may be made of steel wire or steel cable ties.

[0023] In some embodiments, the plug housing has an open rear end and a plurality of first shaft holes on its front wall, with axial positioning guide grooves provided in the first shaft holes; a radial protrusion is integrally provided on the outer wall of the connecting section, a positioning shoulder is provided at the rear end of the connecting section and a threaded section is provided at the front end, the radial protrusion is connected to the positioning guide groove and the positioning shoulder is fitted to the inner wall of the plug housing; the inner annular groove of the front end face of the positioning shoulder is sealed to the inner wall of the plug housing by an inner sealing ring; an outer sealing ring is installed in the outer annular groove of the front end wall of the plug housing; an anti-loosening gasket is fitted to the outer side of the annular gasket of the anti-loosening component and is pressed tightly to fit the outer sealing ring.

[0024] In some embodiments, the socket housing includes a front insert housing and a circular rear base plate and a front connector. The front insert housing is threaded to the front end of the front connector, the rear end of the front connector is open to form a mounting cavity, and the gap between the rear base plate and the front connector forms an annular opening.

[0025] Two horizontally symmetrical liquid outlet ends are respectively fixed to the bushing rear base plate and the front coupling. The front end of the liquid outlet end extends into the two end pipe holes of the front insert shell. The pagoda connector at its rear end is fixedly connected to the liquid supply pipe and fixed by a clamp. The inner wall of the liquid outlet end and the sealing top are connected by a spring floating connection.

[0026] Two transversely symmetrical liquid inlet heads are fitted through the first shaft hole, and the inner wall of the liquid inlet head and the sealing end cap are floatingly connected by a damping reset spring.

[0027] The outer wall of the plug housing is provided with an axial anti-rotation guide strip, and the outer wall of the front plug housing is provided with an axial anti-rotation groove, and the anti-rotation guide strip insert sleeve anti-rotation groove.

[0028] This fluid connector for a mobile thermal management system connects the battery pack's cooling pipes and the external coolant input circuit, enabling rapid heat dissipation and cooling of the battery. Its advantages are: First, the fluid connector allows the battery pack to cool quickly and effectively to its optimal operating temperature range, preventing overheating and degradation caused by prolonged exposure to excessively high temperatures, thus extending its service life. Second, after landing, the electric vehicle cools down rapidly, allowing it to quickly generate electricity for reuse. It offers excellent thermal management and rapid charging at suitable temperatures, eliminating long waiting times and facilitating quick recharging and restarting, resulting in high equipment utilization. Third, the fluid connector features a novel power input section, employing a force-saving gear set consisting of a drive gear, planetary gears, and a driven gear on the output shaft, enabling convenient and quick operation and achieving lightweight, fast, and precise connection, delivery, and interruption of fluid supply. Fourth, the rotating telescopic section incorporates multiple planetary gears to ensure uniform force distribution across the overall power transmission structure. The planetary gears utilize large-diameter... The dual-layer design of the input tooth end and the small-diameter output tooth end optimizes the transmission ratio, making transmission lighter and more stable, while not interfering with the arrangement of other structures. Fifth, the rotating telescopic part adopts a new type of ball screw and nut motion structure composed of a telescopic shaft and a damper. It achieves fast and high-precision positioning through the guide arc surface and controls the stability and accuracy of movement through the guide slide. There is no left or right sway or displacement tilting during movement, realizing fast, stable and high-precision linear telescopic movement, thereby achieving fast and reliable connection of the connector. At the same time, the guide arc surface can achieve good blind mating effect and avoid misalignment over a long period of time. Sixth, the anti-loosening part keeps the position of the fitting constant and stable, effectively preventing loosening and rotation. It is suitable for long-term and frequent insertion and removal applications. There is no liquid leakage caused by front and back loosening or skewed insertion and removal caused by rotation tilting. The fitting accuracy remains unchanged over long-term use, so the fluid connector can be used effectively and stably for a long period of time, with a long service life and the ability to use high current carrying capacity cooling phenomenon, which can quickly cool to the optimal temperature.

[0029] The present invention also provides an electro-hydraulic integrated connector, including any of the above-mentioned fluid connectors and multiple power jacks, multiple power terminals, and multiple power cables;

[0030] Multiple power sockets are also fixedly inserted inside the tube holes around the socket housing, and multiple power cables are wrapped inside the outer sheath and electrically connected to the power sockets at the front end.

[0031] Multiple power terminals are also fixedly inserted into the tubular holes around the plug housing, and the front ends of these power terminals are electrically connected to the battery pack.

[0032] When the end of the seat moves forward with the telescopic shaft, the power terminal of the power socket sleeve becomes electrically conductive, and the inlet and outlet ends become conductive for coolant, and the end of the seat couples with the end of the head; when the end of the seat moves backward with the telescopic shaft, the two separate.

[0033] This electro-hydraulic integrated connector can quickly cool and charge the battery pack simultaneously by simply rotating the power wheel. Its advantages are: First, the connector enables the battery pack to be rapidly and effectively cooled to its optimal operating temperature range while simultaneously charging efficiently at a suitable temperature, allowing electric flying cars to quickly generate power for reuse without long waiting times, resulting in high equipment utilization. Second, the connector is easy and quick to operate, achieving a lightweight, fast, and precise connection. Third, the transmission ratio of the rotating telescopic part is optimized, making transmission lighter and more stable, while not interfering with the arrangement of other structures. The novel lead screw and nut motion structure of the rotating telescopic part uses a guide arc surface for rapid and high-precision positioning, and guide slides to control movement stability and accuracy. There is no lateral swaying or tilting during movement, achieving rapid, stable, and high-precision linear extension and retraction, thus enabling a fast and reliable connection of the connector. Simultaneously, the guide arc surface allows for good blind mating, avoiding long-term misalignment issues. Attached Figure Description

[0034] Figure 1 This is a three-dimensional schematic diagram of a fluid connector for a mobile thermal management system according to an embodiment of the present invention.

[0035] Figure 2 for Figure 1 A cross-sectional schematic diagram of the fluid connector shown;

[0036] Figure 3 for Figure 1 A three-dimensional schematic diagram of the end of the seat and the power input section shown;

[0037] Figure 4 for Figure 3 A three-dimensional schematic diagram showing the end of the socket and the power input section after removing the socket housing;

[0038] Figure 5 for Figure 4 A three-dimensional schematic diagram of the power input section is shown.

[0039] Figure 6 for Figure 4 A three-dimensional schematic diagram of the planetary gear shown;

[0040] Figure 7 for Figure 3 A three-dimensional schematic diagram of the socket housing shown;

[0041] Figure 8 for Figure 7 The diagram shows the installation of the locking steel ball.

[0042] Figure 9 for Figure 7 The diagram shows a three-dimensional exploded view of the socket housing.

[0043] Figure 10 for Figure 2 A three-dimensional schematic diagram of the rotating telescopic part shown;

[0044] Figure 11 for Figure 10 A three-dimensional exploded view of the rotating telescopic section shown;

[0045] Figure 12 for Figure 1 A three-dimensional schematic diagram of the head end shown;

[0046] Figure 13 for Figure 12 A three-dimensional schematic diagram of the liquid inlet end shown;

[0047] Figure 14 for Figure 12 A three-dimensional schematic diagram of the plug housing shown (I);

[0048] Figure 15 for Figure 12 A three-dimensional schematic diagram of the plug housing shown (II);

[0049] Figure 16 for Figure 12 A cross-sectional view of the plug housing is shown.

[0050] Figure 17 This is a three-dimensional schematic diagram of an electro-hydraulic integrated connector according to an embodiment of the present invention;

[0051] End of seat 01, socket housing 1, front connector 10, mounting cavity 100, circular opening 101, screw hole boss 102, end shaft 103, receiving ring 104, rear base plate 11, locking hole 111, shim post 12, front insert housing 13, anti-rotation groove 131, inner guide plate 14, clearance opening 141, liquid outlet end 8, sealing top head 81, pagoda connector 82;

[0052] Power input unit 02, power wheel 020, radial cutout 0201, base ring 021, connecting groove 0211, drive gear ring 022, connecting arm 023, locking ball 024, axial spring 025, vertical tube 026.

[0053] Rotary telescopic part 03, damper 2, damping column 20, limit cap 21, positioning end 22, planetary gear 3, wheel body 30, input tooth end 31, output tooth end 32, blind shaft hole 33, telescopic shaft 4, shaft body 40, driven gear 41, sliding column 42, guide slide 43, guide arc surface 44, stop groove 45, axial inlet 46;

[0054] Head end 04, fixed pipe 5, radial connecting hole 50, sliding hole 51, limiting groove 52, external key bar 53, positioning shoulder 54, plug housing 6, first shaft hole 60, positioning guide groove 61, inner key bar 62, outer ring groove 63, anti-rotation guide bar 64, inner sealing ring 65, outer sealing ring 66, liquid inlet end 7, front connecting pipe 70, sealing end cap 71, radial protrusion 72, positioning shoulder 73, threaded section 74, inner ring groove 75, rear connecting pipe 76, damping return spring 77;

[0055] Anti-loosening component 05, screw hole block 051, anti-loosening washer 052, locking coupling 053, pad 054, perforation 055;

[0056] Liquid supply tube 06; outer sheath 07; power socket 08; power terminal 09. Detailed Implementation

[0057] The invention will now be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0058] Figures 1 to 16 A fluid connector for a mobile thermal management system according to an embodiment of the present invention is schematically shown. As shown, the fluid connector for a mobile thermal management system includes: a seat end 01, a power input part 02, a rotary telescopic part 03, and a head end 04;

[0059] The end 01 of the seat includes a socket housing 1 and a plurality of liquid outlet heads 8 that are fixedly connected to the socket housing 1. The socket housing 1 has a circular opening 101 in the middle and a mounting cavity 100 that communicates with the circular opening 101. The middle section of the liquid outlet head 8 is located in the mounting cavity 100, its rear end is connected to the liquid supply pipe 06 through an interference fit, and its front end is provided with an elastic floating sealing head 81.

[0060] The power input unit 02 includes a power wheel 020, a base ring 021 concentrically connected within the power wheel 020, and a drive gear ring 022 fixed to the front end wall of the base ring 021. The base ring 021 is located at the annular opening 101 and the drive gear ring 022 is rotatably connected to the inner wall of the mounting cavity 100.

[0061] The rotating telescopic part 03 includes multiple planetary gears 3 that are rotatably connected to the front wall of the mounting cavity 100, a telescopic shaft 4 that is rotatably connected to the front end plate of the socket housing 1, and a damper 2 that is radially floating and installed at the rear end of the fixed tube 5. The large-diameter input tooth end 31 of the planetary gear 3 meshes with the active gear ring 22, and the small-diameter output tooth end 32 meshes with the driven gear 41 of the telescopic shaft 4. The outer wall of the front end of the telescopic shaft 4 is provided with multiple spiral guide slides 43 arranged in a circular array. When the power wheel 020 is rotated, the damper 2 enters the guide slide 43 along the guide arc surface 44 of the telescopic shaft 4 to form a screw and nut pair, so that the telescopic shaft 4 can extend and retract back and forth.

[0062] The head end 04 includes a plug housing 6 and multiple liquid inlet heads 7 that are fixedly sleeved on the plug housing 6. The intermediate shaft hole of the plug housing 6 is fixedly sleeved on the fixed tube 5. The front end of the liquid inlet head 7 is inserted into the pipeline of the moving heat source end and its rear end is provided with an elastic floating sealing end cap 71.

[0063] The seat end 01 moves forward with the telescopic shaft 4, and the sealing top head 81 pushes the sealing end cap 71 to make the liquid inlet end 7 and the liquid outlet end 8 connected, and the seat end 01 is coupled to the head end 04; the seat end 01 moves backward with the telescopic shaft 4, and the two separate.

[0064] The driving gear 022, planetary gear 3, and driven gear 41 of the output shaft 4 constitute a force-saving gear set. Manual or mechanical rotation of the power wheel 020 can cause the driving gear ring 022 to rotate the large diameter input end 31 of the planetary gear 3, thereby causing the small diameter output end 3 to drive the driven gear 41 to rotate, so that the telescopic shaft 4 can input rotational power with a suitable transmission ratio.

[0065] When socket housing 1 is aligned with socket housing 1, telescopic shaft 4 is aligned with fixed pipe 5 until guide arc surface 44 contacts damper 2. Rotate power wheel 020, gear set drives telescopic shaft 41 to rotate, damper 2 enters guide slide 43 along guide arc surface 44 to form screw nut pair, so that telescopic shaft 4 drives socket housing 1 to move forward linearly to insert plug housing 6. Sealing top head 81 pushes sealing end cover 71 to make liquid inlet end 7 and liquid outlet end 8 conduct, so that seat end 01 is coupled to head end 04 for liquid cooling heat source;

[0066] Reverse the power wheel 020, the telescopic shaft 4 retracts backward and disengages from the fixed pipe 5, at the same time the liquid inlet end 7 and the liquid outlet end 8 separate, the sealing fixed head 81 and the sealing end cover 71 elastically reset and close their respective ports, completing the separation of the seat end 01 and the head end 04.

[0067] This fluid connector for a mobile thermal management system connects the battery pack's cooling pipes and the external coolant input circuit, enabling rapid heat dissipation and cooling of the battery. Its advantages are: First, the fluid connector allows the battery pack to cool quickly and effectively to its optimal operating temperature range, preventing overheating and degradation caused by prolonged exposure to excessively high temperatures, thus extending its service life. Second, after landing, the electric vehicle cools rapidly, allowing it to quickly generate electricity for reuse. It features good thermal management and rapid charging at suitable temperatures, eliminating long waiting times and facilitating quick charging and restarting, resulting in high equipment utilization. Third, the fluid connector features a novel power input section 02, and employs a power-saving gear set consisting of a drive gear 022, a planetary gear 3, and a driven gear 41 on the output shaft 4, making operation convenient and quick. The system offers several advantages: First, it enables lightweight, rapid, and precise connection and interruption of liquid supply. Second, the rotating telescopic unit 03 is equipped with multiple planetary gears 3 to ensure uniform force distribution across the overall power transmission structure. The planetary gears 3 feature a double-layer design with a large-diameter input tooth end 31 and a small-diameter output tooth end 32, resulting in a more optimized transmission ratio and more convenient and stable transmission without interfering with the arrangement of other structures. Third, the rotating telescopic unit 03 employs a novel screw-nut motion structure consisting of a telescopic shaft 4 and a damper 2. It achieves rapid and high-precision positioning via a guide arc surface 44 and controls the stability and accuracy of movement via a guide slide 43. There is no left or right swaying or displacement during movement, achieving rapid, stable, and high-precision linear telescopic connection. This enables fast and reliable connection of the connector. At the same time, the guide arc surface 34 provides excellent blind mating performance, preventing misalignment over a long period of time.

[0068] Furthermore, the power input unit 02 also includes several radially arranged connecting arms 023 in a circular array. The power wheel 020 is preferably a ring structure with a circular cross-section, and the connecting arms 023 are preferably flat plate structures. The power wheel 020 has multiple radially arranged circumferentially arranged slits 0201, and the front end face of the base ring 021 has multiple radially arranged connecting grooves 0211. The outer end of the connecting arm 023 is located within the radially arranged slits 0201 and is fixedly connected by a threaded component. The inner end of the connecting arm 023 is located within the connecting grooves 0211. The threaded component passes through the through hole of the base ring 021 and the through hole of the inner end of the connecting arm 023 and screws into the threaded hole of the drive gear ring 022, so that the three are fixedly connected as a whole. Its beneficial effects are: this setting facilitates installation, the overall structure is evenly loaded, the equipment size is compact, the product volume is optimized, and the number of parts is reduced, thus reducing costs.

[0069] Furthermore, at least one vertical tube 026 is integrally formed at the rear end of the base ring 021. An axial spring 025 and a locking steel ball 024 are sleeved inside the vertical tube 026. The rear end of the rear base plate 11 of the socket housing 1 is provided with a conical locking hole 111. The locking steel ball 024 elastically presses against the conical locking hole 111. The outer end of the liquid supply pipe 06 is wrapped with an outer sheath 07. The flanges of the rear base plate 11 and the outer sheath 07 are fixedly connected by threaded parts. Its beneficial effect is that this setting ensures the rotation of the turntable 20 after installation, avoids the phenomenon of self-rotation when not in use, and does not increase the installation force when in use.

[0070] Furthermore, the two liquid outlet ends 8 are symmetrically fitted with the receiving cavity 100, and the two planetary gears 3 are symmetrically arranged above and below the middle of the two liquid outlet ends 8.

[0071] The planetary gear 3 includes a coaxially arranged gear body 30, an input tooth end 31, and an output tooth end 32. The gear body 30 of one planetary gear 3 is integrally formed at the rear end of the input tooth end 31, and the output tooth end 32 is integrally formed at the front end of the input tooth end 31. The output tooth end 32 and the input tooth end 31 are integrally formed at the front and rear ends of the gear body 30 of the other opposite planetary gear 3. The central shaft hole of the output tooth end 32 is rotatably connected to the end shaft 103 of the inner wall of the mounting cavity 100. Thus, the two input tooth ends 31 respectively mesh with the front and rear ends of the driving gear ring 022. Its beneficial effect is that the staggered structure of the planetary gear 3 allows it to bear a larger torque.

[0072] The pitch circle diameter of the driven gear 41 is larger than that of the output tooth end 32 but smaller than that of the input tooth end 31. The beneficial effect is that this configuration optimizes the transmission ratio of the planetary gear 3, resulting in a smoother and more stable transmission.

[0073] The outer surface of the output tooth end 32 has a blind shaft hole 33 at its center. The inner ring wall of the mounting cavity 100 is symmetrically and vertically connected to multiple C-shaped receiving rings 104 with internal openings and multiple end shafts 103. Each end shaft 103 is coaxially disposed within a receiving ring 104. The advantage of this arrangement is that it enables high-precision fixing.

[0074] Furthermore, the cylindrical shaft 40 of the telescopic shaft 4 is integrally provided with a passive gear 41 at the rear end and a sliding column 42 that is in diameter matching with the sliding hole 51 of the fixed tube 5 at the front end. The outer wall of the sliding column 42 is provided with a plurality of spiral guide slides 43 arranged in a circular array. A guide arc surface 44 is formed on one side of the front port of the guide slide 43 and a stop groove 45 is provided on its rear end wall to position the end of the damping column 20. The beneficial effect is that when the stop groove 45 is set, the damping column 20 will immediately fall into the stop groove 45 after installation. Under the action of no external force, the two ends will not separate, thereby realizing a reliable locking connection. The guide arc surface 44 provides fast and high-precision positioning, the guide slide 43 controls the movement stability and accuracy, and the stop groove 45 positions and locks the end position. There is no left or right sway or displacement tilt during movement, realizing fast, stable and high-precision linear telescopic movement, thereby realizing fast and reliable connection of the connector.

[0075] The lower end of the damping column 20 is integrally provided with a positioning end 22 with a conical structure, and the stop groove 45 is a radial blind hole or a conical hole that matches the damping column 20; its beneficial effect is that this setting facilitates the rapid formation of a lead screw and nut pair for torque transmission.

[0076] The width of the guide slide 43 is greater than the diameter of the damping column 20. The damping column 20 slides against one wall of the guide slide 43 and is detached from the other opposite wall of the guide slide 43. The beneficial effect is that this arrangement makes the forward and backward movement smooth and avoids jamming.

[0077] The middle section of the output shaft 40 and the middle through hole of the socket housing 1 are slidably connected with equal diameter, or a copper sleeve or linear bearing is provided between them. The advantage of this arrangement is that it facilitates rapid installation.

[0078] An axial inlet 46 is provided between the guide arc surface 44 and the guide slide 43. The guide arc surface 44 is an inclined arc surface from front to back and the flat arc surface at the end is perpendicular to the axial inlet 46.

[0079] The sliding column 42 is inserted into the sliding hole 51, driving the driven gear 41 to rotate. The damping column 20 enters the guide slide 43 along the guide arc surface 44. The damping column 20 slides against the rear wall or front wall of the guide slide 43 to form a screw nut structure. The sliding column 32 extends into or retracts from the fixed tube 5, so that the seat end 01 and the head end 04 are engaged or disengaged.

[0080] Furthermore, the fixed tube 5 passes through the intermediate shaft hole of the plug housing 6, and the outer key strip 53 of the outer peripheral wall of the fixed tube 5 is interference-fitted through the inner key strip 62 of the intermediate connecting tube.

[0081] The axial sliding hole 51 of the fixed tube 5 is provided with a plurality of radial connecting holes 50 in a circumferential array at its front end, and a large-diameter limiting groove 52 is provided at the outer end of the radial connecting hole 50.

[0082] The damping lock 2 includes a large-diameter cylindrical limiting cap 21 and a small-diameter damping column 20. The damping column 20 is integrally connected to the lower end of the limiting cap 21. The limiting cap 21 is placed in the limiting groove 52. The damping column 20 slides through the radial connecting hole 50 and enters the sliding hole 51. Its beneficial effect is that this setting can achieve good damping transmission.

[0083] The outer circumferential wall of the fixed tube 5 has multiple external grooves arranged in a circular array at its front end, with external key strips 53 formed between adjacent external grooves. The inner circumferential wall of the middle connecting tube of the plug housing 6 has multiple internal grooves arranged in a circular array, with internal key strips 62 formed between adjacent internal grooves. The fixed tube 5 is fitted into the middle connecting tube, with the external key strips 53 fitting into the internal grooves of the fitting and the internal key strips 62 fitting into the external grooves of the fitting. Its beneficial effect is that this design enables rapid and precise fixed installation of the fixed tube 5.

[0084] The vertical cross-sections of the outer groove and inner key 62, and the inner groove and outer key 53 are all the same inclined locking surface; the fixed pipe 5 is integrally injection molded and connected in the intermediate connecting pipe.

[0085] The inner wall of the intermediate connecting pipe is provided with a circular groove shaped like a retaining ring. A C-shaped retaining ring is fitted into the retaining ring groove, and the retaining ring fits into the positioning shoulder 54 of the fixed pipe 5. The beneficial effect of this setting is that it provides a secure fixation.

[0086] Furthermore, it also includes an anti-loosening part 05, which includes a screw hole block 051, an anti-loosening washer 052, and a locking member 053. The outer wall of the screw hole block 051 is provided with multiple through holes 055.

[0087] The middle connecting section of the liquid inlet end 7 passes through the first shaft hole 60 of the plug housing 6. The screw hole block 051 connects to the threaded section 74 of the liquid inlet end 7 and makes the anti-loosening washer 052 tightly fit the front end wall of the plug housing 6. The locking member 053 passes through the through hole 055 of the adjacent screw hole block 051 and the two ends are locked to form a fixing ring, forming a reliable connection structure with double anti-detachment. The anti-loosening part 05 has a screw hole block 051 and an anti-loosening washer 052 that are tightly connected to achieve one-time anti-loosening. The multiple liquid inlet ends 7 are connected into a whole by the locking coupling 053, which effectively reduces their rotation and back-and-forth movement, and achieves a highly reliable and stable fixed connection. Its beneficial effects are: First, the connection structure has a constant and stable position, effectively preventing loosening and rotation. It is suitable for long-term and frequent insertion and removal applications. There is no liquid leakage caused by back-and-forth loosening or skewed insertion and removal caused by rotation and tilting. The accuracy of the fitting remains unchanged after long-term use, so that the fluid connector can be used effectively and stably for a long time and has a long service life. Second, the connection is tight and can use high current carrying capacity cooling phenomenon, which can quickly cool to the optimal temperature.

[0088] Furthermore, the screw hole block 051 has a regular polygonal structure, and the through hole 055 extends horizontally through both sides of the edge of the regular polygon.

[0089] The locking element 053 is a steel wire, which passes through the through hole 055 and is tightened at both ends;

[0090] Alternatively, the locking element 053 can be a steel cable tie structure, with the free end of the cable tie entering the locking port through the through hole 055 until the cable tie is taut. The advantages are: the screw hole block 051 and the locking element 053 facilitate installation and achieve a good elastic fastening connection.

[0091] Furthermore, the plug housing 6 has an open rear end and multiple first shaft holes 60 on its front wall, with an axial positioning guide groove 61 inside the first shaft hole 60; the outer wall of the connecting section is integrally provided with a radial protrusion 72, the rear end of the connecting section is provided with a positioning shoulder 73 and the front end is provided with a threaded section 74, the radial protrusion 72 connects to the positioning guide groove 61 and the positioning shoulder 73 fits against the inner wall of the plug housing 6; its beneficial effect is that the radial protrusion 72 and the positioning guide groove 61 achieve high-precision, stable, and anti-rotation fixation, and the positioning shoulder 73 and the inner wall of the plug housing 6 achieve high-precision, stable, and anti-rotation fixation, making the connection more secure.

[0092] The inner annular groove 75 on the front end face of the positioning shoulder 73 is sealed to the inner wall of the plug housing 1 by the inner sealing ring 65; the front end wall of the plug housing 6 is also provided with an outer annular groove 63 concentrically arranged with the first shaft hole 60, and an outer sealing ring 66 is installed in the outer annular groove 63; the outer side of the anti-loosening component 05's annular gasket 054 is attached to the anti-loosening gasket 052, and its inner side is pressed tightly against the outer sealing ring 66. Both the outer sealing ring 4 and the inner sealing ring 5 are O-rings. The beneficial effects are: the installation position accuracy of the outer sealing ring 66 and the inner sealing ring 65 is high, the double-end sealing accuracy is high, and leakage is effectively avoided.

[0093] Furthermore, the socket housing 1 includes a rectangular block-shaped front insert housing 13 and a circular rear base plate 11 and a front connector 10. The front insert housing 13 is threaded to the front end of the front connector 10, and the rear end of the front connector 10 is open to form a mounting cavity 100. Two inner guide plates 14 are threaded to the front cavity wall of the mounting cavity 100. The threaded parts pass through the middle through holes of the rear base plate 11, the shim post 12, and the inner guide plates 14 and are threaded to the screw hole boss 102 of the front connector 10, thereby forming an annular opening 101 between the rear base plate 11 and the front connector 10. Its beneficial effect is that the structure is simple and can achieve good installation and fixation.

[0094] Two symmetrically arranged liquid outlets 8 pass through the clearance opening 141 of the inner guide plate 14, and their ends are respectively fixed to the bushing rear base plate 11 and the front connector 10. The front end of the liquid outlet 8 extends into the two end tube holes of the front insert shell 13, and the rear end is fixedly connected to the liquid supply pipe 06. The front wall of the plug shell 6 is provided with two symmetrically arranged first shaft holes 60, and the middle connecting section of the two symmetrically arranged liquid inlet ends 7 passes through the first shaft holes 60. Its advantages are: the structure is simple and easy to install and layout, and the overall size is compact.

[0095] The outer wall of the plug housing 6 is provided with an axial anti-rotation guide strip 64, and the outer wall of the front insert housing 13 is provided with an axial anti-rotation groove 131. The anti-rotation guide strip 64 is fitted with the anti-rotation groove 131. Its beneficial effect is that this setting further improves the accuracy of linear motion, ensures smooth installation, and avoids displacement or rotational tilting.

[0096] The inner wall of the liquid outlet end 8 and the sealing top 81 are connected by a spring floating connection; the liquid supply pipe 06 is connected to the pagoda connector 82 at the rear end of the liquid outlet end 8 by an interference fit, and the two are fixed by a clamp; the beneficial effect is that the connection is tight, avoiding liquid leakage, and at the same time avoiding the problem of pipeline damage due to the large weight of the pipeline when the product is in use.

[0097] The inner wall of the liquid inlet end 7 and the sealing end cap 71 are floatingly connected by a damping return spring 77.

[0098] Preferably, the inlet end 7 includes a front connecting pipe 70 and a rear connecting pipe 76. The rear end of the front connecting pipe 70 sequentially forms a connecting section, a positioning shoulder 73, and an end threaded hole section. The front end of the rear connecting pipe 76 is externally threaded into the end threaded hole section, and an end seal is provided at the front end of the connection. The rear port of the rear connecting pipe 76 is provided with a stop end ring. The sealing end cap 71 is located inside the rear connecting pipe 76, and a damping return spring 77 is provided between its front wall and the inner limiting wall of the front connecting pipe 70. The end seal of the sealing end cap 71 and the port of the rear connecting pipe 76 are in sliding sealing fit. Its beneficial effects are: this arrangement facilitates connection and reset, and can effectively prevent leakage.

[0099] The outer peripheral wall of the positioning shoulder 73 forms a regular hexagonal surface, making it a hexagonal clamping surface that is easy to install.

[0100] like Figure 17 As shown, the present invention also provides an electro-hydraulic integrated connector, including any of the above-mentioned fluid connectors and multiple power jacks 08, multiple power terminals 09, and multiple power cables;

[0101] Multiple power sockets 08 are also fixedly inserted inside the tube holes around the socket housing 1, and multiple power cables are wrapped inside the outer sheath 07 and electrically connected to the power sockets 08 at the front end.

[0102] Multiple power terminals 09 are also fixedly inserted into the tubular holes around the plug housing 6. The front ends of the multiple power terminals 09 are electrically connected to the battery pack.

[0103] When the seat end 01 moves forward with the telescopic shaft 4, the power socket 08 inserts the power terminal 09 to achieve electrical conduction, and the liquid inlet end 7 and the liquid outlet end 8 achieve coolant conduction, and the seat end 01 couples with the head end 04; when the seat end 01 moves backward with the telescopic shaft 4, the two separate.

[0104] This electro-hydraulic integrated connector can quickly cool and charge the battery pack simultaneously by simply rotating the power wheel 020. Its advantages are: First, the connector can rapidly and effectively cool the battery pack to its optimal operating temperature range while simultaneously charging it efficiently at a suitable temperature, enabling the electric flying car to quickly generate power for reuse without long waiting times, resulting in high equipment utilization. Second, the connector is easy and quick to operate, achieving a lightweight, fast, and precise connection. Third, the transmission ratio of the rotating telescopic part 03 is optimized, making transmission lighter and more stable, while not interfering with the arrangement of other structures. The novel lead screw and nut motion structure of the rotating telescopic part 03 achieves rapid and high-precision positioning through the guide arc surface 44, and controls the stability and accuracy of movement through the guide slide 43. There is no left or right swaying or tilting during movement, achieving rapid, stable, and high-precision linear extension and retraction, thus enabling a fast and reliable connection of the connector. Simultaneously, the guide arc surface 34 achieves good blind mating, avoiding long-term misalignment.

[0105] The above descriptions are merely some embodiments of the present invention. Those skilled in the art can make various modifications and improvements without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A fluid connector for a mobile thermal management system, characterized in that, Includes: a seat end (01), a power input part (02), a rotating telescopic part (03), and a head end (04); The end of the seat (01) includes a socket housing (1) and a plurality of liquid outlet heads (8) that are fixedly connected to the socket housing (1). The socket housing (1) has a circular opening (101) in the middle and an installation cavity (100) that communicates with the circular opening (101). The middle section of the liquid outlet head (8) is located in the installation cavity (100), its rear end is connected to the liquid supply pipe (06) through an interference fit, and its front end is provided with an elastic floating sealing head (81). The power input unit (02) includes a power wheel (020), a base ring (021) concentrically connected in the power wheel (020), and a drive gear ring (022) fixed to the front end wall of the base ring (021). The base ring (021) is located at the annular opening (101), and the drive gear ring (022) is rotatably connected to the inner wall of the mounting cavity (100). The rotating telescopic part (03) includes multiple planetary gears (3) that are rotatably connected to the front wall of the mounting cavity (100), a telescopic shaft (4) that is rotatably connected to the front end plate of the socket shell (1), and a damper (2) that is radially floating and installed at the rear end of the fixed tube (5). The large-diameter input tooth end (31) of the planetary gear (3) meshes with the active gear ring (22), and the small-diameter output tooth end (32) meshes with the passive gear (41) of the telescopic shaft (4). The outer wall of the front end of the telescopic shaft (4) is provided with multiple spiral guide slides (43) arranged in a circular array. When the power wheel (020) is rotated, the damper (2) enters the guide slide (43) along the guide arc surface (44) of the telescopic shaft (4) to form a screw and nut pair, so that the telescopic shaft (4) can extend and retract back and forth. The head end (04) includes a plug shell (6) and multiple liquid inlet heads (7) that are fixedly connected to the plug shell (6). The intermediate shaft hole of the plug shell (6) is fixedly connected to the fixed pipe (5). The front end of the liquid inlet head (7) is inserted into the pipeline of the moving heat source end and its rear end is provided with an elastic floating sealing end cap (71). The seat end (01) moves forward with the telescopic shaft (4), and the sealing top head (81) pushes the sealing end cap (71) to make the liquid inlet end head (7) and the liquid outlet end head (8) connected, and the seat end (01) couples with the head end (04); the seat end (01) moves backward with the telescopic shaft (4), and the two separate.

2. The fluid connector according to claim 1, characterized in that, The power input unit (02) also includes a plurality of radial connecting arms (023) arranged in a circular array. The outer end of the connecting arm (023) is located in the radial cut (0201) of the power wheel (020) and is connected by a threaded component. The inner end of the connecting arm (023) is located in the connecting groove (0211) of the base ring (021). The threaded component passes through the through holes of the base ring (021) and the connecting arm (023) and is screwed into the threaded hole of the drive gear ring (022), so that the three are connected as one.

3. The fluid connector according to claim 2, characterized in that, The base ring (021) has at least one vertical tube (026) integrally formed at its rear end. An axial spring (025) and a locking steel ball (024) are sleeved inside the vertical tube (026). The rear base plate (11) of the socket housing (1) is provided with a locking hole (111) with a conical structure. The locking steel ball (024) elastically presses against the locking hole (111). The outer end of the liquid supply pipe (06) is wrapped with an outer sheath (07), and the flanges of the rear base plate (11) and the outer sheath (07) are fixedly connected by threaded parts.

4. The fluid connector according to claim 1, characterized in that, Two planetary gears (3) are symmetrically positioned above and below the middle of the two liquid outlet ends (8); The planetary gear (3) includes a wheel body (30), an input tooth end (31), and an output tooth end (32) arranged coaxially. The wheel body (30) of one planetary gear (3) is integrally formed at the rear end of the input tooth end (31), and the output tooth end (32) is integrally formed at the front end of the input tooth end (31). The output tooth end (32) and the input tooth end (31) are integrally formed at the front and rear ends of the wheel body (30) of the other opposite planetary gear (3), respectively, so that the two input tooth ends (31) respectively mesh with the front and rear ends of the driving gear ring (022). The central shaft hole of the output tooth end (32) is rotatably connected to the end shaft (103) of the mounting cavity (100); The pitch circle diameter of the passive gear (41) is greater than the pitch circle diameter of the output tooth end (32) and smaller than the pitch circle diameter of the input tooth end (31).

5. The fluid connector according to claim 1, characterized in that, The cylindrical shaft (40) of the telescopic shaft (4) has a passive gear (41) integrally provided at the rear end and a sliding column (42) that is in diameter matching with the sliding hole (51) of the fixed tube (5) at the front end. The outer wall of the sliding column (42) is provided with a plurality of spiral guide slides (43) arranged in a circular array. A guide arc surface (44) is formed on one side of the front port of the guide slide (43) and a stop groove (45) is provided at the end of the positioning damping column (20) on its rear end wall.

6. The fluid connector according to claim 1, characterized in that, The outer key strip (53) of the outer peripheral wall of the fixed pipe (5) is interference-fitted through the inner key strip (62) of the intermediate connecting pipe; The axial sliding hole (51) of the fixed tube (5) is provided with a plurality of radial connecting holes (50) in a circumferential array at the front end, and a large-diameter limiting groove (52) is provided at the outer end of the radial connecting hole (50). The damping lock (2) includes a large-diameter limiting cap (21) and a small-diameter damping column (20). The damping column (20) is integrally connected to the lower end of the limiting cap (21). The limiting cap (21) is placed in the limiting groove (52). The damping column (20) slides through the radial connecting hole (50) and enters the sliding hole (51).

7. The fluid connector according to claim 1, characterized in that, It also includes an anti-loosening part (05), the anti-loosening component (05) includes a screw hole block (051), an anti-loosening washer (052) and a locking member (053). The outer wall of the screw hole block (051) is provided with multiple transverse through holes (055). The screw hole block (051) is connected to the threaded section (74) of the liquid inlet end (7) and makes the anti-loosening washer (052) fit tightly against the front end wall of the plug shell (6). The locking member (053) passes through the through holes (055) of the adjacent screw hole block (051) and the two ends are locked to form a fixing ring, forming a reliable connection structure with double anti-detachment. Alternatively, the locking element (053) may be a steel wire or steel cable tie structure.

8. The fluid connector according to claim 7, characterized in that, The plug housing (6) has an open rear end and a plurality of first shaft holes (60) on its front wall. An axial positioning guide groove (61) is provided in the first shaft hole (60). A radial protrusion (72) is integrally provided on the outer wall of the connecting section. A positioning shoulder (73) is provided at the rear end of the connecting section and a threaded section (74) is provided at the front end. The radial protrusion (72) is connected to the positioning guide groove (61) and the positioning shoulder (73) fits against the inner wall of the plug housing (6). The inner ring groove (75) of the front end face of the positioning shoulder (73) is sealed against the inner wall of the plug housing (1) by an inner sealing ring (65). An outer sealing ring (66) is installed in the outer ring groove (63) of the front end wall of the plug housing (6). The outer side of the ring pad (054) of the anti-loosening component (05) is fitted with an anti-loosening pad (052) and pressed tightly against the outer sealing ring (66).

9. The fluid connector according to any one of claims 1 to 8, characterized in that, The socket housing (1) includes a front insert housing (13), a circular rear base plate (11), and a front connector (10). The front insert housing (13) is threaded to the front end of the front connector (10). The rear end of the front connector (10) is open to form an installation cavity (100). The gap between the rear base plate (11) and the front connector (10) forms an annular opening (101). Two horizontally symmetrical liquid outlets (8) are fixed at both ends of the bushing rear base plate (11) and the front coupling (10). The front end of the liquid outlet (8) extends into the two end pipe holes of the front insert shell (13). The pagoda connector (82) at its rear end is fixedly connected to the liquid supply pipe (06) and fixed by a clamp. The inner wall of the liquid outlet (8) and the sealing top head (81) are connected by a spring floating connection. Two transversely symmetrical liquid inlet heads (7) are fitted through the first shaft hole (60), and the inner wall of the liquid inlet head (7) and the sealing end cap (71) are floatingly connected by a damping return spring (77); The outer wall of the plug housing (6) is provided with an axial anti-rotation guide strip (64), and the outer wall of the front insert housing (13) is provided with an axial anti-rotation groove (131). The anti-rotation guide strip (64) inserts into the anti-rotation groove (131).

10. An electro-hydraulic integrated connector, characterized in that, Includes the fluid connector as described in any one of claims 1 to 9, and a plurality of power jacks (08), a plurality of power terminals (09), and a plurality of power cables; Multiple power sockets (08) are also fixedly inserted through the tube holes around the socket housing (1), and multiple power cables are wrapped inside the outer sheath (07) and electrically connected to the power sockets (08) at their front ends; Multiple power terminals (09) are also fixedly inserted into the tubular holes around the plug housing (6), and the front ends of the multiple power terminals (09) are electrically connected to the battery pack. When the seat end (01) moves forward with the telescopic shaft (4), the power socket (08) inserts the power terminal (09) to achieve electrical conduction, the liquid inlet end (7) and the liquid outlet end (8) achieve coolant conduction, and the seat end (01) couples with the connector end (04); the seat end (01) moves backward with the telescopic shaft (4) and the two separate.

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