Double-channel independently-sealed quick butt joint

Abstract

The invention discloses a double-channel independently-sealed quick butt joint, and relates to the technical field of pipeline quick connection, the double-channel independently-sealed quick butt joint comprises a male joint and a female joint with a first circulation cavity, a first channel and a second channel are arranged in the male joint at intervals, and a first sealing piece with a second circulation cavity is slidably embedded in the first circulation cavity; the first sealing piece is sleeved with a first sealing ring used for abutting against the first circulation cavity. A second sealing piece with a third circulation cavity is embedded in the second circulation cavity in a sliding mode, and the second sealing piece is sleeved with a second sealing ring used for abutting against the second circulation cavity; when the male connector and the female connector are connected in an inserted mode, the second circulation cavity, the third circulation cavity and the first channel are communicated in sequence and form a first flow channel, the first circulation cavity and the second channel are communicated with each other and form a second flow channel independent of the first flow channel, and the first flow channel and the second flow channel are both used for liquid or gas circulation. The double-channel butt joint solves the problem that in the prior art, a single butt joint is difficult to achieve double-channel independent communication.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe quick connection, in particular to a double-channel independent sealing quick butt joint. BACKGROUND

[0002] In the fields of industrial automation, laboratory equipment, medical instruments and many fluid transmission, the quick butt joint as a key connection structure can realize the quick connection and disconnection of the pipe, and is widely used in the delivery and control system of liquid, gas and other media.

[0003] In the prior art, the traditional quick joint is mostly a single-channel structure, that is, only one pipe is connected and sealed by one joint. When two independent fluid channels need to be connected at the same interface position, the conventional solution is to install two independent quick joints side by side. For example, in the application scenarios of double-path liquid supply, cooling loop, coexistence of gas pressure and hydraulic pressure, the operator needs to perform alignment, insertion and locking operations on two independent male and female heads respectively.

[0004] However, the above-mentioned solution of using two independent joints has the following disadvantages: first, the operation efficiency is low, two independent butt actions need to be performed, which increases the assembly time and labor cost; second, in the installation environment with limited space or poor vision, it is difficult to accurately align the two joints at the same time, which may cause plugging difficulty or misalignment; third, since the two joints are separate structures, there are manufacturing or installation errors in their axial length and relative position, which may cause individual joint sealing to be not tight and the force to be uneven, thereby affecting the reliability of the overall connection; in addition, if the two pipes transport different media or have cleanliness requirements, there is a gap between the two separate joints, which may cause media leakage, sputtering or cross contamination during disassembly, affecting the system safety and media purity.

[0005] It can be seen that the single butt joint in the prior art has the problem of difficult realization of double-channel independent connection. SUMMARY

[0006] The present application provides a double-channel independent sealing quick butt joint, which solves the problem of difficult realization of double-channel independent connection of the single butt joint in the prior art.

[0007] To achieve this purpose, the present application adopts the following technical solutions: A double-channel independent sealing quick butt joint, comprising a male joint and a female joint with a first flow cavity, wherein a first channel and a second channel are arranged in the male joint, a first sealing element with a second flow cavity is slidably embedded in the first flow cavity, and a first sealing ring for abutting against the first flow cavity is sleeved on the first sealing element; a second sealing element with a third flow cavity is slidably embedded in the second flow cavity, and a second sealing ring for abutting against the second flow cavity is sleeved on the second sealing element; When the male joint is inserted into the female joint, the second flow cavity, the third flow cavity and the first channel are sequentially communicated to form a first flow channel, and the first flow cavity and the second channel are communicated with each other to form a second flow channel which is independent of the first flow channel, and the first flow channel and the second flow channel are used for flowing liquid or gas.

[0008] Optionally, a first spring located in the first flow cavity is sleeved on the outer wall of the first sealing element, and the two ends of the first spring abut against the female joint and the first sealing element, respectively; and a second spring located in the second flow cavity is sleeved on the outer wall of the second sealing element, and the two ends of the second spring abut against the first sealing element and the second sealing element, respectively.

[0009] Optionally, a convex ring abutting against the first spring is arranged in the female joint, the convex ring is provided with a first sealing groove matched with the first sealing ring, and the convex ring is used for separating the first flow cavity into a first cavity and a second cavity; a first through groove is arranged on the outer wall of the first sealing element, and the first cavity, the first through groove, the second cavity and the second channel are sequentially communicated to form the second flow channel.

[0010] Optionally, a convex ring abutting against the second spring is arranged in the first sealing element, the convex ring is provided with a second sealing groove for matching and mounting the second sealing ring, one end of the third flow cavity is communicated with the side wall of the second sealing element, and the other end of the third flow cavity is communicated with the end of the second sealing element close to the male joint.

[0011] Optionally, the convex ring is used for separating the second flow cavity into a third cavity and a fourth cavity, a first pipe joint is threadedly connected in the third cavity, a fourth flow cavity is arranged in the first pipe joint, the fourth flow cavity, the third flow cavity and the first channel are sequentially communicated to form the first flow channel.

[0012] Optionally, the third flow cavity comprises a fifth cavity and a sixth cavity which are communicated with each other perpendicularly, the fifth cavity penetrates through opposite sides of the second sealing element, the fifth cavity is communicated with the fourth flow cavity, and the sixth cavity is communicated with the first channel.

[0013] Optionally, the first sealing member is provided with at least one second through slot at one end in the second cavity, the second through slot being in communication with the second cavity, and the second sealing member is provided with at least one third through slot at one end in the fourth cavity, the third through slot being in communication with the fourth cavity.

[0014] Optionally, the male connector is sleeved with a third sealing ring and a fourth sealing ring, the third sealing ring being used for abutting against the second flow-through cavity, and the fourth sealing ring being used for abutting against the first flow-through cavity, and a distance between the third sealing ring and the second sealing member is less than a distance between the fourth sealing ring and the second sealing member.

[0015] Optionally, the male connector is provided with a second pipe connector and a third pipe connector at an end away from the female connector, the second pipe connector being in communication with the first channel, and the third pipe connector being in communication with the second channel, and the second pipe connector and the third pipe connector are both used for connecting external flow-through pipes.

[0016] Optionally, the male connector is provided with a limiting boss arranged adjacent to the third sealing ring, the limiting boss being used for abutting and cooperating with the first sealing member, and the limiting boss, the second pipe connector and the third pipe connector are respectively an integral forming structure with the male connector, or the limiting boss is an integral forming structure with the male connector, and the second pipe connector and the third pipe connector are respectively threadedly connected with the male connector.

[0017] Compared with the prior art, the present application has the following beneficial effects: The double-channel independent sealing quick butt joint provided by the present application integrates two independent fluid channels in a single butt joint structure, and an operator only needs to perform a plug-in action of the male connector and the female connector once to simultaneously complete the connection of two independent flow channels, thereby significantly reducing assembly steps, operation time and labor cost, and being particularly suitable for application scenarios that need to be frequently plugged in or out or assembled in batches. The double-channel connection is realized by a single butt joint, thereby greatly saving installation space and avoiding the extra space required by side-by-side installation of two independent connectors. This makes the present application particularly suitable for devices and pipeline systems with compact space, limited layout or poor visibility, thereby reducing installation difficulty and alignment requirements. Therefore, the present application solves the problem that a single butt joint in the prior art cannot realize independent connection of double channels. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0019] The structures, proportions, sizes, etc. shown in the drawings of the present specification are only used to cooperate with the content disclosed in the present specification, to be understood and read by those skilled in the art, and are not used to limit the conditions that the present application can be implemented, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that the present application can produce, should still fall within the scope of the technical content disclosed by the present application.

[0020] Figure 1 A perspective structural schematic diagram of a double-channel independent sealing quick butt joint provided by an embodiment of the present application is shown in the figure. Figure 2 A cross-sectional structural schematic diagram of a double-channel independent sealing quick butt joint provided by an embodiment of the present application is shown in the figure. Figure 3 An exploded structural schematic diagram of a double-channel independent sealing quick butt joint provided by an embodiment of the present application is shown in the figure. Figure 4 A cross-sectional structural schematic diagram of a female joint in a double-channel independent sealing quick butt joint provided by an embodiment of the present application is shown in the figure. Figure 5 A half cross-sectional structural schematic diagram of a female joint in a double-channel independent sealing quick butt joint provided by an embodiment of the present application is shown in the figure. Figure 6 A cross-sectional structural schematic diagram of a male joint in a double-channel independent sealing quick butt joint provided by an embodiment of the present application is shown in the figure. Figure 7 A half cross-sectional structural schematic diagram of a male joint in a double-channel independent sealing quick butt joint provided by an embodiment of the present application is shown in the figure. Figure 8 An application structural schematic diagram of a double-channel independent sealing quick butt joint provided by an embodiment of the present application is shown in the figure.

[0021] Illustration: 10, male joint; 11, first channel; 12, second channel; 13, second pipe joint; 14, third pipe joint; 15, limiting boss; 20, female joint; 21, first flow-through cavity; 211, first cavity; 212, second cavity; 22, protruding ring; 221, first sealing groove; 30. First sealing element; 31. Second flow cavity; 311. Third cavity; 312. Fourth cavity; 32. Protruding ring; 321. Second sealing groove; 33. First through groove; 34. Second through groove; 40. Second seal; 41. Third flow cavity; 411. Fifth cavity; 412. Sixth cavity; 42. Third through groove; 51. First sealing ring; 52. Second sealing ring; 53. Third sealing ring; 54. Fourth sealing ring; 61. First spring; 62. Second spring; 70. First pipe fitting; 71. Fourth flow chamber. Detailed Implementation

[0022] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0023] In the description of this invention, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a component positioned centrally in the connection.

[0024] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0025] This invention provides a quick-connect coupling with dual-channel independent sealing, such as... Figures 1 to 7 As shown, the device includes a male connector 10 and a female connector 20 having a first flow cavity 21. The male connector 10 is provided with a first channel 11 and a second channel 12 spaced apart. A first sealing member 30 having a second flow cavity 31 is slidably embedded in the first flow cavity 21. A first sealing ring 51 for abutting against the first flow cavity 21 is sleeved on the first sealing member 30. A second sealing member 40 having a third flow cavity 41 is slidably embedded in the second flow cavity 31. A second sealing ring 52 for abutting against the second flow cavity 31 is sleeved on the second sealing member 40. When the male connector 10 is inserted into the female connector 20, the second flow cavity 31, the third flow cavity 41 and the first channel 11 are sequentially communicated and form a first flow passage, and the first flow cavity 21 and the second channel 12 are communicated with each other and form a second flow passage which is independently arranged from the first flow passage, and the first flow passage and the second flow passage are both used for flowing liquid or gas.

[0026] It should be noted that the double-channel independent sealing quick butt joint provided by the application integrates two independent fluid channels in a single butt joint structure, and the operator only needs to perform the insertion action of the male connector 10 and the female connector 20 once, so that the communication of the two independent flow passages can be completed at the same time, thereby significantly reducing the assembly steps, operation time and labor cost, and being especially suitable for application scenarios that need to be frequently plugged or assembled in batches. The double-channel connection is realized by a single butt joint, which greatly saves the installation space and avoids the extra space required by side-by-side installation of two independent connectors. This makes the application particularly suitable for devices and pipeline systems with compact space, limited layout or poor visibility, thereby reducing the installation difficulty and alignment requirements. Therefore, the application solves the problem that the single butt joint in the prior art cannot realize the independent communication of the double channels.

[0027] As shown in Figures 2 to 5 The outer wall of the first sealing member 30 is sleeved with the first spring 61 located in the first flow cavity 21, and the two ends of the first spring 61 are respectively abutted with the female connector 20 and the first sealing member 30. The outer wall of the second sealing member 40 is sleeved with the second spring 62 located in the second flow cavity 31, and the two ends of the second spring 62 are respectively abutted with the first sealing member 30 and the second sealing member 40.

[0028] In specific implementation, the flexible insertion of the male connector 10 and the female connector 20 can be realized through the arrangement of the first spring 61 and the second spring 62. When the male connector 10 is inserted into the first flow cavity 21, the male connector 10 abuts with the second sealing member 40, so that the second sealing member 40 extrudes the second spring 62, the second sealing ring 52 releases the sealing of the second flow cavity 31, and the second flow cavity 31, the third flow cavity 41 and the first channel 11 are sequentially communicated and form the first flow passage. When the male connector 10 continues to be inserted into the first flow cavity 21, the first sealing member 30 extrudes the first spring 61, and the position of the first sealing ring 51 is displaced, and then the first flow cavity 21 and the second channel 12 are communicated with each other and form the second flow passage.

[0029] As shown in Figures 2 to 5As shown, the female joint 20 is provided with a protruding ring 22 abutting against the first spring 61, the protruding ring 22 is provided with a first sealing groove 221 adapted to the first sealing ring 51, and the protruding ring 22 is used to divide the first flow-through cavity 21 into a first cavity 211 and a second cavity 212; the outer wall of the first sealing member 30 is provided with a first through groove 33, the first cavity 211, the first through groove 33, the second cavity 212 and the second channel 12 are sequentially communicated and form a second flow channel. In this embodiment, the protruding ring 22 and the female joint 20 are an integral molding structure.

[0030] In specific implementation, the first flow-through cavity 21 is actively divided into the first cavity 211 and the second cavity 212 by the protruding ring 22 provided in the female joint 20, and the first cavity 211, the first through groove 33, the second cavity 212 and the second channel 12 are sequentially communicated and form a second flow channel in combination with the first through groove 33 provided on the outer wall of the first sealing member 30. When the male joint 10 is inserted and cooperated with the female joint 20, the first through groove 33 communicates the first cavity 211 and the second cavity 212, so as to form a passage for the second flow channel; and when the male joint 10 is separated from the female joint 20, the first sealing ring 51 abuts against the first sealing groove 221, so as to make the first cavity 211 and the second cavity 212 not communicated, thereby breaking the circuit of the second flow channel. Since the protruding ring 22 abuts against the first spring 61, a stable axial support point and a guide reference for the reciprocating movement of the first sealing member 30 are provided.

[0031] As shown in Figure 2 and Figure 4 , the first sealing member 30 is provided with a protruding ring 32 abutting against the second spring 62, the protruding ring 32 is provided with a second sealing groove 321 adapted to install the second sealing ring 52, one end of the third flow-through cavity 41 is communicated with the side wall of the second sealing member 40, and the other end of the third flow-through cavity 41 is communicated with the end of the second sealing member 40 close to the male joint 10. The protruding ring 32 is used to divide the second flow-through cavity 31 into a third cavity 311 and a fourth cavity 312, the third cavity 311 is threadedly connected with a first pipe joint 70, the first pipe joint 70 is provided with a fourth flow-through cavity 71, the fourth flow-through cavity 71, the third flow-through cavity 41 and the first channel 11 are sequentially communicated and form a first flow channel. In this embodiment, the protruding ring 32 and the first sealing member 30 are an integral molding structure.

[0032] In implementation, the second flow cavity 31 is divided into a third cavity 311 and a fourth cavity 312 by the convex ring 32 in the first seal 30. When the male connector 10 is connected with the female connector 20, the fourth flow cavity 71, the third flow cavity 41 and the first channel 11 are sequentially communicated and form a first flow passage. When the male connector 10 is separated from the female connector 20, the second seal 40 is abutted against the second seal ring 52 under the elastic force of the second spring 62, so that the fourth flow cavity 71 and the third flow cavity 41 form an open circuit, and the first flow passage is interrupted. Since the convex ring 32 is abutted against the second spring 62, a stable axial support point and a guide reference for the reciprocating movement of the second seal 40 are provided.

[0033] In addition, since one end of the third flow cavity 41 is communicated with the side wall of the second seal 40, and the other end of the third flow cavity 41 is communicated with the end of the second seal 40 close to the male connector 10, the third flow cavity 41 is a turning channel, so that the fluid enters from the side and turns gently, the fluid dynamic impact in the initial stage of connection is significantly buffered, the second seal 40 and the second seal ring 52 are protected, the medium flow is more stable, the pressure fluctuation and the potential water hammer effect are reduced, and the softness of the connection action and the durability of the system components are improved.

[0034] As shown in Figure 2 , Figure 4 and Figure 5 , the third flow cavity 41 includes a fifth cavity 411 and a sixth cavity 412 which are communicated with each other perpendicularly, the fifth cavity 411 is communicated through the opposite sides of the second seal 40, the fifth cavity 411 is communicated with the fourth flow cavity 71, and the sixth cavity 412 is communicated with the first channel 11.

[0035] In implementation, the third flow cavity 41 is specifically designed as the fifth cavity 411 and the sixth cavity 412 which are communicated with each other perpendicularly, and constitutes a precise right-angle turning flow passage; when the fluid flows from the fourth flow cavity 71 into the fifth cavity 411, the flow direction of the fluid is changed by 90 degrees, and this design greatly reduces the axial impact component in the fluid kinetic energy and converts it into radial diffusion and recombination. The through design of the fifth cavity 411 on the opposite sides of the second seal 40 forms a symmetrical fluid inlet or distribution structure, and the medium can enter the fifth cavity 411 from the two sides of the second seal 40 uniformly or balancedly. The symmetrical flow ensures that the force of the fluid on the second seal 40 is more balanced, the lateral force that the second seal 40 may be subjected to is reduced, the stability and precision of the axial movement of the second seal 40 are further ensured, and the fluid flow is more stable.

[0036] As shown in Figure 2 , Figure 4 and Figure 5As shown, the first sealing member 30 is provided with at least one second through slot 34 at one end in the second cavity 212, the second through slot 34 is communicated with the second cavity 212, the second sealing member 40 is provided with at least one third through slot 42 at one end in the fourth cavity 312, the third through slot 42 is communicated with the fourth cavity 312.

[0037] In specific implementation, by the setting of the second through slot 34, on the one hand, when the male connector 10 is inserted, the air in the first cavity 211 can flow smoothly, so that greater air resistance is generated, and then the male connector 10 is smoothly inserted; on the other hand, the second through slot 34 provides a channel for the fluid to flow, so that the fluid flows smoothly in the first cavity 211 and then flows into the second channel 12. By the setting of the third through slot 42, the air in the second cavity 212 flows smoothly, so that greater air resistance is generated, and then the male connector 10 is smoothly inserted; at the same time, the liquid is discharged through the third through slot 42, and the excess liquid can also be prevented from gathering in the fourth cavity 312.

[0038] As shown in the drawings, Figures 1 to 5 The male connector 10 is sleeved with a third sealing ring 53 and a fourth sealing ring 54, the third sealing ring 53 is used to abut against the second flow cavity 31, the fourth sealing ring 54 is used to abut against the first flow cavity 21, the distance between the third sealing ring 53 and the second sealing member 40 is less than the distance between the fourth sealing ring 54 and the second sealing member 40. In the embodiment, the third sealing ring 53 and the fourth sealing ring 54 are both arranged in an O shape, the number of the fourth sealing ring 54 is two, and the outer diameter of the third sealing ring 53 is less than the outer diameter of the fourth sealing ring 54.

[0039] In specific implementation, when the male connector 10 is inserted into the female connector 20, the second sealing member 40 is extruded by the male connector 10 and at the same time the second sealing member 40 extrudes the second spring 62, and the first sealing member 30 does not move, so that the second sealing ring 52 is separated from the second sealing groove 321, the first flow channel forms a passage, the third sealing ring 53 plays a sealing role, and the liquid or gas leakage phenomenon is prevented; after the male connector 10 continues to be inserted, the first sealing member 30 extrudes the first spring 61 to move, and at the same time the first sealing member 30 drives the first pipe connector 70 to move synchronously, so that the first sealing ring 51 is separated from the first sealing groove 221, the second flow channel forms a passage, the fourth sealing ring 54 plays a sealing role, and the liquid or gas leakage phenomenon is prevented.

[0040] As shown in the drawings, Figure 6 and Figure 7As shown, the second pipe joint 13 and the third pipe joint 14 are arranged at the end of the male joint 10 away from the female joint 20, the second pipe joint 13 is in communication with the first channel 11, and the third pipe joint 14 is in communication with the second channel 12, and the second pipe joint 13 and the third pipe joint 14 are both used for connecting external flow pipes. In this embodiment, the second pipe joint 13 and the third pipe joint 14 are both pipe joints known in the art.

[0041] In specific implementation, by arranging the second pipe joint 13 and the third pipe joint 14, external flow pipes can be quickly connected, the first flow channel and the second flow channel can be smoothly connected, and the pipeline can be extended to an actual installation position.

[0042] As shown in Figure 6 and Figure 7 , the male joint 10 is provided with a limiting boss 15 arranged adjacent to the third sealing ring 53, the limiting boss 15 is used for abutting and cooperating with the first sealing member 30, and the limiting boss 15, the second pipe joint 13 and the third pipe joint 14 are respectively integrally formed with the male joint 10; or, the limiting boss 15 is integrally formed with the male joint 10, and the second pipe joint 13 and the third pipe joint 14 are respectively threadedly connected with the male joint 10.

[0043] In specific implementation, when the second pipe joint 13 and the third pipe joint 14 are respectively threadedly connected with the male joint 10, the second pipe joint 13 and the third pipe joint 14 can be quickly disassembled, and different specifications of pipe joints can be replaced according to actual installation requirements. By arranging the limiting boss 15, the male joint 10 can continue to press the first sealing member 30 after pressing the second sealing member 40.

[0044] For example, as shown in Figure 8 , the first pipe joint 70 accesses liquid A through a connecting pipe, the first cavity 211 accesses liquid, and the male joint 10 is inserted and cooperated with the female joint 20, so that the first flow channel can flow liquid A and the second flow channel can flow liquid B, thereby realizing independent flow of double liquids.

[0045] Working principle: when the male joint 10 is not inserted with the female joint 20, the first sealing member 30 is pressed against the first sealing groove 221 under the elastic force of the first spring 61, so as to break the second flow channel; the second sealing member 40 is pressed against the second sealing groove 321 under the elastic force of the second spring 62, so as to break the first flow channel, thereby realizing separation of the male joint 10 and the female joint 20 and breaking the double-channel fluid.

[0046] When the male connector 10 is inserted into the female connector 20, the male connector 10 abuts against the second sealing member 40, the second sealing member 40 is pressed against the second spring 62, the fourth flow cavity 71 is unsealed by the second sealing ring 52, the fourth flow cavity 71, the third flow cavity 41 and the first channel 11 are sequentially communicated and form a first flow channel; when the male connector 10 is continuously inserted into the first flow cavity 21, the limiting boss 15 abuts against the first sealing member 30, the first sealing member 30 is pressed against the first spring 61, and the position of the first sealing ring 51 is displaced, the first cavity 211, the first through groove 33, the second cavity 212 and the second channel 12 are sequentially communicated and form a second flow channel, thereby realizing the double-channel flow path.

[0047] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A dual channel independently sealed quick dock connector, characterized in that, The male connector (10) is provided with a first channel (11) and a second channel (12) at intervals, and the female connector (20) is provided with a first flow cavity (21) and a first sealing element (30) with a second flow cavity (31) and a second sealing element (40) with a third flow cavity (41). When the male connector (10) is inserted into the female connector (20), the second flow cavity (31), the third flow cavity (41) and the first channel (11) are sequentially communicated to form a first flow channel, and the first flow cavity (21) and the second channel (12) are communicated to form a second flow channel which is independent of the first flow channel.

2. The dual passageway independently sealed quick dock connector of claim 1, wherein, The outer wall of the first sealing element (30) is sleeved with a first spring (61) located in the first flow cavity (21), and the two ends of the first spring (61) are respectively abutted with the female connector (20) and the first sealing element (30). The outer wall of the second sealing element (40) is sleeved with a second spring (62) located in the second flow cavity (31), and the two ends of the second spring (62) are respectively abutted with the first sealing element (30) and the second sealing element (40).

3. The dual passageway independently sealed quick dock connector of claim 2, wherein, The female connector (20) is provided with a convex ring (22) abutted with the first spring (61), and the convex ring (22) is provided with a first sealing groove (221) matched with the first sealing ring (51). The convex ring (22) is used for dividing the first flow cavity (21) into a first cavity (211) and a second cavity (212). The outer wall of the first sealing element (30) is provided with a first through groove (33), and the first cavity (211), the first through groove (33), the second cavity (212) and the second channel (12) are sequentially communicated to form the second flow channel.

4. The dual passageway independently sealed quick dock connector of claim 3, wherein, The first sealing element (30) is provided with a convex ring (32) abutted with the second spring (62), and the convex ring (32) is provided with a second sealing groove (321) matched with the second sealing ring (52). One end of the third flow cavity (41) is communicated with the side wall of the second sealing element (40), and the other end of the third flow cavity (41) is communicated with the end of the second sealing element (40) close to the male connector (10).

5. The dual passageway independently sealed quick dock connector of claim 4, wherein, The convex ring (32) is used for dividing the second flow cavity (31) into a third cavity (311) and a fourth cavity (312). The first pipe connector (70) is threadedly connected in the third cavity (311), and the fourth flow cavity (71) is provided in the first pipe connector (70). The fourth flow cavity (71), the third flow cavity (41) and the first channel (11) are sequentially communicated to form the first flow channel.

6. The dual passageway independently sealed quick dock connector of claim 5, wherein, The third flow cavity (41) comprises a fifth cavity (411) and a sixth cavity (412) which are in perpendicular communication with each other, the fifth cavity (411) penetrates through opposite sides of the second sealing member (40), the fifth cavity (411) is in communication with the fourth flow cavity (71), and the sixth cavity (412) is in communication with the first channel (11).

7. The dual passageway independently sealed quick dock connector of claim 5, wherein, The first sealing member (30) is provided with at least one second through slot (34) at one end in the second cavity (212), the second through slot (34) is in communication with the second cavity (212), the second sealing member (40) is provided with at least one third through slot (42) at one end in the fourth cavity (312), and the third through slot (42) is in communication with the fourth cavity (312).

8. The dual passageway independently sealed quick dock connector of claim 1, wherein, The male connector (10) is sleeved with a third sealing ring (53) and a fourth sealing ring (54), the third sealing ring (53) is used for abutting against the second flow cavity (31), the fourth sealing ring (54) is used for abutting against the first flow cavity (21), and the distance between the third sealing ring (53) and the second sealing member (40) is smaller than the distance between the fourth sealing ring (54) and the second sealing member (40).

9. The dual passageway independently sealed quick dock connector of claim 8, wherein, The male connector (10) is provided with a second pipe connector (13) and a third pipe connector (14) at an end away from the female connector (20) and spaced apart from each other, the second pipe connector (13) is in communication with the first channel (11), the third pipe connector (14) is in communication with the second channel (12), and the second pipe connector (13) and the third pipe connector (14) are used for connecting external flow pipes.

10. The dual passageway independently sealed quick dock connector of claim 9, wherein, The male connector (10) is provided with a limiting boss (15) arranged adjacent to the third sealing ring (53), the limiting boss (15) is used for abutting against the first sealing member (30), the limiting boss (15), the second pipe connector (13) and the third pipe connector (14) are integrally formed with the male connector (10); or the limiting boss (15) is integrally formed with the male connector (10), and the second pipe connector (13) and the third pipe connector (14) are threadedly connected with the male connector (10).

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