Liquid drainage assembly and assembly line system

Abstract

The utility model discloses a liquid discharge assembly and an assembly line system, the liquid discharge assembly is applied to waste liquid discharge for a plurality of analyzers, a liquid discharge port of each analyzer is connected with a first end of a first liquid discharge channel, and a second end of the first liquid discharge channel is connected with a waste liquid system. The first end of the second liquid drainage channel is connected with the first end of the first liquid drainage channel, the second end of the second liquid drainage channel is connected with the second end of the first liquid drainage channel, and the joint of the second liquid drainage channel and the first liquid drainage channel is connected with the first liquid drainage channel. The second drainage channel is located on one side, close to the second end of the first drainage channel, of the joint of the drainage port of any analyzer and the first drainage channel, waste liquid of the multiple analyzers is allowed to enter a waste liquid system through the first drainage channel and the second drainage channel, the requirement for the drainage channels is reduced, and the arrangement cost of the drainage channels is reduced; and a large amount of waste liquid can flow through the first liquid drainage channel and the second liquid drainage channel, so that the pressure change in the liquid drainage assembly is slowed down, and the practicability of the liquid drainage assembly is improved.

Description

Technical Field

[0001] The present application relates to the technical field of analyzer drainage, and in particular to a drainage component and a pipeline system. Background Art

[0002] In existing pipeline waste discharge scenarios, multiple instruments in the pipeline often discharge waste at the same time. In the currently widely used waste discharge system (multiple instruments are connected to the same waste pipe, which centrally transports waste discharged from multiple instruments to the waste tank), multiple instruments discharging waste at the same time may bring the following risks:

[0003] 1. Multiple instruments discharge waste liquid at the same time, resulting in a large waste liquid flow in the waste liquid pipe, which places high requirements on the waste liquid pipe;

[0004] 2. Discharging waste liquid from multiple instruments at the same time causes high pressure in the waste liquid system, which reduces the pressure difference between the instrument end and the waste liquid system, making it difficult to discharge the waste liquid. Utility Model Content

[0005] The present application provides a drainage component to solve the above technical problems. The drainage component is used to drain waste liquid for multiple analyzers, including:

[0006] a first liquid discharge channel, wherein the liquid discharge port of each analyzer is connected to a first end of the first liquid discharge channel, and a second end of the first liquid discharge channel is connected to a waste liquid system;

[0007] a second drainage channel, wherein a first end of the second drainage channel is connected to a first end of the first drainage channel, and a second end of the second drainage channel is connected to a second end of the first drainage channel, so as to allow waste liquids of the plurality of analyzers to enter the waste liquid system through the first drainage channel and the second drainage channel;

[0008] The connection between the first end of the second drainage channel and the first end of the first drainage channel is located on the side of the connection between the drainage port of any analyzer and the first drainage channel close to the second end of the first drainage channel.

[0009] The second liquid discharge channel includes a second liquid discharge pipe and a power pump, and the power pump is respectively connected to the first end and the second end of the first liquid discharge channel through the second liquid discharge pipe.

[0010] Wherein, the power pump is used to extract air from the first drainage channel when the multiple analyzers are not discharging waste liquid, so as to increase the pressure difference between the multiple analyzers and the drainage component, and the power pump includes a waste liquid pump.

[0011] Wherein, the first liquid discharge channel comprises a first liquid discharge pipe, and the diameter of the first liquid discharge pipe is equal to the diameter of the second liquid discharge pipe.

[0012] Wherein, the liquid discharge component further includes a plurality of one-way valves, and the liquid discharge port of each of the analyzers is connected to the first liquid discharge channel via the corresponding one-way valve.

[0013] Wherein, the drainage assembly further comprises a plurality of three-way connectors, and the drainage port of each of the analyzers is connected to the first drainage channel through the corresponding three-way connector;

[0014] Wherein, the liquid discharge port of the analyzer is connected to the first end of the three-way connector through the one-way valve, and the second end and the third end of the three-way connector are connected to the first liquid discharge channel.

[0015] The pipe diameter of the second end of the three-way joint is equal to the pipe diameter of the third end of the three-way joint, and the pipe diameter of the first end of the three-way joint is smaller than the pipe diameter of the second end of the three-way joint.

[0016] Wherein, the one-way valve comprises:

[0017] a valve seat including at least one drainage hole;

[0018] A valve core, the valve core is a hollow structure, including an accommodating cavity, and one end of the valve core is arranged at the liquid discharge port;

[0019] An elastic member, one end of which is disposed in the accommodating cavity, and the other end of which is disposed on a side of the valve seat close to the liquid discharge port.

[0020] In order to solve the above-mentioned technical problems, the present application also provides a pipeline system, comprising multiple analyzers, the drainage component as described above, and a waste liquid system, the drainage ports of the multiple analyzers are sequentially connected to the first end of the first drainage channel of the drainage component, the waste liquid system is connected to the second end of the first drainage channel, and the drainage component is used to transport the waste liquid discharged from the multiple analyzers to the waste liquid system.

[0021] Wherein, the assembly line system further comprises a control module, and the control module is connected to the power pump of the liquid discharge assembly;

[0022] When the plurality of analyzers are not discharging waste liquid, the control module is used to control the power pump to extract air from the first drainage channel to increase the pressure difference between the plurality of analyzers and the drainage component.

[0023] Beneficial effects of the present application: Different from the prior art, the drainage assembly of the present application is used to drain waste liquid for multiple analyzers, including a first drainage channel and a second drainage channel, wherein the drainage port of each analyzer is connected to the first end of the first drainage channel, and the second end of the first drainage channel is connected to the waste liquid system. The first end of the second drainage channel is connected to the first end of the first drainage channel, and the second end of the second drainage channel is connected to the second end of the first drainage channel, and the connection between the second drainage channel and the first drainage channel is located on the side of the connection between the drainage port of any analyzer and the first drainage channel close to the second end of the first drainage channel, so that the drainage assembly allows the waste liquid of multiple analyzers to enter the waste liquid system through the first drainage channel and the second drainage channel, thereby reducing the requirements for the drainage channels in the drainage assembly, reducing the cost of the drainage channels, and the first drainage channel and the second drainage channel can flow through a large amount of waste liquid, slowing down the change of pressure in the drainage assembly, and can cope with the simultaneous drainage of waste liquid by multiple analyzers, thereby improving the practicality of the drainage assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] in:

[0026] Figure 1 It is a structural schematic diagram of the first embodiment of the liquid discharge assembly of the present application;

[0027] Figure 2 It is a structural schematic diagram of the second embodiment of the liquid discharge assembly of the present application;

[0028] Figure 3 It is a structural schematic diagram of the first embodiment of the one-way valve of the present application.

[0029] Figure numbers: assembly line system A; drainage assembly 1; first drainage channel 11; first drainage pipe 111; second drainage channel 12; second drainage pipe 121; power pump 122; one-way valve 13; valve seat 131; valve core 132; elastic member 133; three-way connector 14; analyzer 2; waste liquid system 3. DETAILED DESCRIPTION

[0030] The scheme of the embodiment of the present application is described in detail below in conjunction with the drawings of the specification.

[0031] In the following description, for the purpose of explanation rather than limitation, specific details such as specific system structures, interfaces, and technologies are provided to facilitate a thorough understanding of the present application.

[0032] Reference to "embodiments" in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0033] The term "and / or" in this application is only a description of the association relationship of associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the objects associated before and after are in an "or" relationship. In addition, "many" in this article means two or more than two. In addition, the term "at least one" in this article means any combination of at least two of any one or more of a plurality of, for example, including at least one of A, B, and C, and can mean including any one or more elements selected from the set consisting of A, B, and C. In addition, the terms "first", "second", and "third" in this application are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.

[0034] See also Figure 1 , Figure 1 The schematic diagram of the structure of the first embodiment of the liquid discharge assembly of the present application is shown in FIG. The liquid discharge assembly 1 provided in the embodiment of the present application is used to discharge waste liquid for multiple analyzers 2, wherein the analyzers 2 may be sample analyzers or blood analyzers.

[0035] The drainage assembly 1 includes a first drainage channel 11 and a second drainage channel 12. The drainage port of each analyzer 2 is connected to the first end of the first drainage channel 11, and the second end of the first drainage channel 11 is connected to the waste liquid system 3. The first end of the second drainage channel 12 is connected to the first end of the first drainage channel 11, and the second end of the second drainage channel 12 is connected to the second end of the first drainage channel 11, so as to allow the waste liquid of multiple analyzers 2 to enter the waste liquid system 3 through the first drainage channel 11 and the second drainage channel 12.

[0036] In the embodiment of the present application, the drainage component 1 adds a second drainage channel 12 to share the amount of waste liquid in the first drainage channel 11, so as to reduce the drainage pressure of the single first drainage channel 11 when multiple analyzers 2 perform waste liquid drainage operations at the same time, reduce the setting requirements for the first drainage channel 11 in the drainage component 1, and reduce the setting cost of the drainage component 1.

[0037] Furthermore, the first liquid discharge channel 11 and the second liquid discharge channel 12 can flow a large amount of waste liquid, which slows down the pressure change in the liquid discharge component 1, can cope with the simultaneous waste liquid discharge actions of multiple analyzers 2, and improves the practicality of the liquid discharge component 1.

[0038] In one embodiment, see Figure 1 , the first analyzer 21 is the analyzer 2 connected to the first drainage channel 11 and closest to the waste liquid system 3 among the multiple analyzers 2. Then, after the waste liquid discharged from the multiple analyzers 2 is first collected in the first drainage channel 11, when the waste liquid flows through the connection between the first end of the first drainage channel 11 and the first end of the second drainage channel 12, part of the waste liquid will enter the second drainage channel 12, and part of the waste liquid will continue in the first drainage channel 11. The second drainage channel 12 shares the waste liquid in the first drainage channel 11, avoiding the waste liquid from existing in the first drainage channel 11 at the same time, reducing the pressure difference in the drainage component 1, and causing difficulty in draining the waste liquid, thereby improving the drainage component 1's ability to cope with the drainage of waste liquid from multiple analyzers 2 and improving the practicality of the drainage component 1.

[0039] Optionally, the connection between the first end of the second drainage channel 12 and the first end of the first drainage channel 11 is located on a side of the connection between the drainage port of any analyzer 2 and the first drainage channel 11 close to the second end of the first drainage channel 11 .

[0040] In another embodiment, see Figure 2 , Figure 2 It is a structural schematic diagram of the second embodiment of the drainage component of the present application. The second analyzer 22 is an analyzer 2 connected to the first drainage channel 11 and farthest from the waste liquid system 3 among the multiple analyzers 2. The connection between the second drainage channel 12 and the first drainage channel 11 can be located on the side of the connection between the drainage port of the second analyzer 22 and the first drainage channel 11 close to the second end of the first drainage channel 11, so that the waste liquid discharged by the second analyzer 22 can directly enter the waste liquid system 3 through the second drainage channel 12 and then through the first drainage channel 11; the waste liquid discharged by the part of the analyzer 2 spaced from the second analyzer 22 and close to the connection between the first end of the first drainage channel 11 and the second end of the second drainage channel 12 can enter the waste liquid system 3 through the second drainage channel 12 or the first drainage channel 11; and the waste liquid discharged by the part of the analyzer 2 far from the connection between the first end of the first drainage channel 11 and the second end of the second drainage channel 12 can directly enter the waste liquid system 3 through the first drainage channel 11. By increasing the flow path of the waste liquid discharged from the analyzer 2, it is avoided that when multiple analyzers 2 discharge waste liquid at the same time, drainage pressure on a separate drainage channel is caused, which causes difficulty in draining the drainage channel. The ability of the drainage component 1 to cope with the simultaneous discharge of waste liquid by multiple analyzers 2 is improved, and the practicality of the drainage component 1 is improved.

[0041] In other embodiments, the connection between the first end of the first drainage channel 11 and the first end of the second drainage channel 12 may also be located between any two analyzers 2 between the first analyzer 21 and the second analyzer 22. For example, the amount of waste liquid discharged by the multiple analyzers 2 may be different, and the connection between the first end of the first drainage channel 11 and the first end of the second drainage channel 12 may be spaced apart from the connection between the analyzer 2 that discharges a larger amount of waste liquid and the first drainage channel 11, so that at least part of the waste liquid discharged by the analyzer 2 that discharges a larger amount of waste liquid enters the second drainage channel 12 to reduce the drainage pressure of the first drainage channel 11. The present application does not limit the specific location of the connection between the first end of the first drainage channel 11 and the first end of the second drainage channel 12.

[0042] Optionally, see Figure 1 The second liquid discharge channel 12 includes a second liquid discharge pipe 121 and a power pump 122 , and the power pump 122 is respectively connected to the first end and the second end of the first liquid discharge channel 11 through the second liquid discharge pipe 121 .

[0043] Among them, when the multiple analyzers 2 do not discharge waste liquid, that is, when there is no waste liquid in the first liquid discharge channel 11 and the second liquid discharge pipe 121, the power pump 122 is started to extract the air in the first liquid discharge channel 11 to increase the pressure difference between the multiple analyzers 2 and the liquid discharge component 1, and improve the liquid discharge component 1 to extract the waste liquid discharged by the analyzer 2. Furthermore, when the multiple analyzers 2 are performing the waste liquid discharge operation, due to the large pressure difference between the multiple analyzers 2 and the liquid discharge component 1, the flow rate of the waste liquid discharged by the multiple analyzers 2 in the liquid discharge component 1 can be increased, the efficiency of the liquid discharge component 1 in transporting the waste liquid discharged by the analyzer 2 to the waste liquid system 3 is improved, and the practicality of the liquid discharge component 1 is improved.

[0044] The power pump 122 may be a waste liquid pump or the like.

[0045] Optionally, the first drainage channel 11 includes a first drainage pipe 111 , and the diameter of the first drainage pipe 111 is equal to the diameter of the second drainage pipe 121 to ensure that the second drainage pipe 121 can share the waste liquid in the first drainage pipe 111 .

[0046] In one embodiment, if the diameter of the first drain pipe 111 is not equal to the diameter of the second drain pipe 121. For example, if the diameter of the first drain pipe 111 is larger than that of the second drain pipe 121, when the waste liquid flows through the connection between the first end of the first drain channel 11 and the first end of the second drain channel 12, only a small amount of the waste liquid enters the second drain pipe 121 because the diameter of the second drain pipe 121 is smaller than that of the first drain pipe 111, and the second drain pipe 121 cannot play a role in sharing the waste liquid in the first drain pipe 111.

[0047] Or the diameter of the first drain pipe 111 is smaller than the diameter of the second drain pipe 121. Although when the diameter of the second drain pipe 121 is larger than the diameter of the first drain pipe 111, the waste liquid can smoothly enter the second drain pipe 121 when it flows through the connection between the first end of the first drain channel 11 and the first end of the second drain channel 12, and the second drain pipe 121 can well share the waste liquid in the first drain pipe 111. Figure 1 As shown, the waste liquid in the second drain pipe 121 will be re-flowed into the first drain channel 11 through the connection between the second end of the first drain channel 11 and the second end of the second drain channel 12. Furthermore, if the diameter of the second drain pipe 121 is larger than the diameter of the first drain pipe 111, the waste liquid in the second drain pipe 121 cannot be smoothly flowed into the first drain pipe 111, and may even cause waste liquid blockage at the connection between the second end of the first drain channel 11 and the second end of the second drain channel 12, thereby destroying the waste liquid discharge capability of the drain assembly 1.

[0048] Therefore, the embodiment of the present application proposes that the diameter of the first drain pipe 111 and the diameter of the second drain pipe 121 are equal, so as to ensure that the second drain pipe 121 shares the waste liquid in the first drain pipe 111, thereby ensuring that the waste liquid can flow smoothly in the first drain channel 11 and the second drain channel 12, thereby ensuring the waste liquid discharge capacity of the drain component 1.

[0049] In one embodiment, if Figure 1 As shown, the second liquid discharge channel 12 can be connected to the first liquid discharge channel 11 through a three-way joint. Since the diameter of the first liquid discharge pipe 111 is equal to the diameter of the second liquid discharge pipe 121, the three-way joint is an equal-diameter three-way joint.

[0050] Optionally, the liquid discharge component 1 further includes a plurality of one-way valves 13 , and the liquid discharge port of each analyzer 2 is connected to the first liquid discharge channel 11 via the corresponding one-way valve 13 .

[0051] Among them, the one-way valve 13 only allows waste liquid to flow from the analyzer 2 to the first liquid discharge channel 11, and prevents the waste liquid from flowing back into the analyzer 2 from the first liquid discharge channel 11, thereby avoiding the situation in which when some analyzers 2 among multiple analyzers 2 are performing waste liquid discharge operations while some analyzers 2 are not performing waste liquid discharge operations, the waste liquid in the first liquid discharge channel 11 will flow back into the analyzers 2 that are not performing waste liquid discharge operations, causing biological contamination, thereby improving the safety of the liquid discharge component 1.

[0052] Optionally, see Figure 3 , Figure 3 The one-way valve 13 provided in the embodiment of the present application includes a valve seat 131 , a valve core 132 and an elastic member 133 .

[0053] Among them, the valve seat 131 includes at least one drainage hole; the valve core 132 is a hollow structure, including an accommodating cavity, and one end of the valve core 132 is arranged at the drainage port of the analyzer 2; one end of the elastic member 133 is arranged in the accommodating cavity of the valve core 132, and the other end is arranged on the side of the valve seat 131 close to the drainage port.

[0054] The working process of the one-way valve 13 is briefly described below:

[0055] The analyzer 2 is connected to the one-way valve 13 and the waste liquid is Figure 3 The waste liquid is discharged to the one-way valve 13 in the direction of the arrow shown. When the waste liquid enters the one-way valve 13 from the discharge port, the valve core 132 is pushed, and the valve core 132 compresses the elastic member 133, so that the valve core 132 moves close to the valve seat 131, and the waste liquid enters the accommodating cavity of the valve core 132 and other internal spaces of the one-way valve 13, and is discharged to the first discharge channel 11 through the discharge hole of the valve seat 131.

[0056] When some analyzers 2 do not perform the waste liquid discharge operation, while some analyzers 2 perform the waste liquid discharge operation and the first liquid discharge channel 11 is filled with waste liquid, the waste liquid may be squeezed into the one-way valve 13 through the liquid discharge hole of the valve seat 131 of the one-way valve 13. However, since the valve core 132 blocks the liquid discharge port at this time, the waste liquid cannot enter the analyzer 2 through the liquid discharge port, thereby avoiding the backflow of the waste liquid and improving the safety of the liquid discharge component 1.

[0057] Optionally, the liquid discharge assembly 1 further includes a plurality of three-way connectors 14 , and the liquid discharge port of each analyzer 2 is connected to the first liquid discharge channel 11 via the corresponding three-way connector 14 .

[0058] The liquid discharge port of the analyzer 2 is connected to the first end of the three-way connector 14 through a one-way valve 13 , and the second end and the third end of the three-way connector 14 are connected to the first liquid discharge channel 11 .

[0059] In one embodiment, since the second end and the third end of the three-way connector 14 are connected to the first liquid discharge channel 11, the diameter of the second end of the three-way connector 14 is equal to the diameter of the third end of the three-way connector 14. Moreover, the diameter of the first end of the three-way connector 14 is smaller than the diameter of the second end of the three-way connector 14, that is, the diameter of the liquid discharge port of the analyzer 2, or the diameter of the one-way valve 13, is smaller than the diameter of the first liquid discharge pipe 111, and thus the first liquid discharge channel 11 can accommodate waste liquid discharged from multiple analyzers 2 at the same time, thereby improving the waste liquid discharge capacity of the liquid discharge assembly 1 and improving the practicality of the liquid discharge assembly 1.

[0060] In summary, the drainage component 1 provided in the present application includes a first drainage channel 11 and a second drainage channel 12. The waste liquid discharged from multiple analyzers 2 can enter the waste liquid system 3 through the first drainage channel 11 and the second drainage channel 12. The second drainage channel 12 is used to share the waste liquid in the first drainage channel 11, thereby improving the ability of the drainage component 1 to cope with the waste liquid discharge operation of multiple analyzers 2 at the same time and improving the practicality of the drainage component 1. It also reduces the requirements for setting a separate drainage channel and reduces the setting cost of the drainage component 1.

[0061] In addition, the second drainage channel 12 includes a power pump 122, which is used to extract air in the first drainage channel 11 when the multiple analyzers 2 are not performing waste liquid discharge operations, thereby increasing the pressure difference between the multiple analyzers 2 and the drainage component 1, improving the environment for extracting waste liquid in the drainage component 1, increasing the flow rate of waste liquid in the drainage component 1, and improving the efficiency of the drainage component 1 in transporting waste liquid from the analyzer 2 to the waste liquid system 3, thereby improving the practicality of the drainage component 1.

[0062] This application also provides a pipeline system, please continue to refer to Figure 1 The assembly line system A includes multiple analyzers 2, a drainage component 1 and a waste liquid system 3. The drainage ports of the multiple analyzers 2 are sequentially connected to the first end of the first drainage channel 11 in the drainage component 1, and the waste liquid system 3 is connected to the second end of the first drainage channel 11. The drainage component 1 is used to transport the waste liquid discharged from the multiple analyzers 2 to the waste liquid system 3, and the waste liquid system 3 is used to process the waste liquid.

[0063] Among them, the assembly line system A also includes a control module (not shown in the figure), which is connected to the power pump 122 of the drainage component 1. When the multiple analyzers 2 are not discharging waste liquid, the control module is used to control the power pump 122 to extract air in the first drainage channel 11 to increase the pressure difference between the multiple analyzers 2 and the drainage component 1, improve the drainage component 1 The efficiency of transporting waste liquid from the analyzer 2 to the waste liquid system 3 is improved.

[0064] The above description is only an implementation method of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A liquid discharge assembly, characterized in that: Applications for draining waste from multiple analyzers, including: a first liquid discharge channel, wherein the liquid discharge port of each analyzer is connected to a first end of the first liquid discharge channel, and a second end of the first liquid discharge channel is connected to a waste liquid system; a second drainage channel, wherein a first end of the second drainage channel is connected to a first end of the first drainage channel, and a second end of the second drainage channel is connected to a second end of the first drainage channel, so as to allow waste liquids of the plurality of analyzers to enter the waste liquid system through the first drainage channel and the second drainage channel; The connection between the first end of the second drainage channel and the first end of the first drainage channel is located on the side of the connection between the drainage port of any analyzer and the first drainage channel close to the second end of the first drainage channel.

2. The drain assembly according to claim 1, characterized in that: The second liquid discharge channel includes a second liquid discharge pipe and a power pump, and the power pump is respectively connected to the first end and the second end of the first liquid discharge channel through the second liquid discharge pipe.

3. The drain assembly according to claim 2, characterized in that: The power pump is used to extract air from the first drainage channel when the multiple analyzers are not discharging waste liquid, so as to increase the pressure difference between the multiple analyzers and the drainage component.

4. The drain assembly according to claim 2, characterized in that: The first liquid discharge channel includes a first liquid discharge pipe, and the diameter of the first liquid discharge pipe is equal to the diameter of the second liquid discharge pipe.

5. The drain assembly according to claim 1, characterized in that: The liquid discharge assembly further includes a plurality of one-way valves, and the liquid discharge port of each analyzer is connected to the first liquid discharge channel via the corresponding one-way valve.

6. The drain assembly according to claim 5, characterized in that: The liquid discharge assembly further comprises a plurality of three-way connectors, and the liquid discharge port of each analyzer is connected to the first liquid discharge channel through the corresponding three-way connector; Wherein, the liquid discharge port of the analyzer is connected to the first end of the three-way connector through the one-way valve, and the second end and the third end of the three-way connector are connected to the first liquid discharge channel.

7. The drain assembly according to claim 6, characterized in that: The pipe diameter of the second end of the three-way joint is equal to the pipe diameter of the third end of the three-way joint, and the pipe diameter of the first end of the three-way joint is smaller than the pipe diameter of the second end of the three-way joint.

8. The drain assembly according to claim 5, characterized in that: The one-way valve comprises: a valve seat including at least one drainage hole; A valve core, the valve core is a hollow structure, including an accommodating cavity, and one end of the valve core is arranged at the liquid discharge port; An elastic member, one end of which is disposed in the accommodating cavity, and the other end of which is disposed on a side of the valve seat close to the liquid discharge port.

9. A pipeline system, characterized in that: The invention comprises a plurality of analyzers, a drainage assembly as described in any one of claims 1 to 8, and a waste liquid system, wherein the drainage ports of the plurality of analyzers are sequentially connected to the first end of the first drainage channel of the drainage assembly, the waste liquid system is connected to the second end of the first drainage channel, and the drainage assembly is used to transport the waste liquid discharged from the plurality of analyzers to the waste liquid system.

10. The assembly line system according to claim 9, characterized in that: The assembly line system further comprises a control module, wherein the control module is connected to a power pump of the liquid discharge assembly; When the plurality of analyzers are not discharging waste liquid, the control module is used to control the power pump to extract air from the first drainage channel to increase the pressure difference between the plurality of analyzers and the drainage component.

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