Dual-channel water outlet fittings and water outlet system for household water supply

Abstract

This utility model relates to the field of pipe fittings technology, and discloses a dual-channel water outlet pipe fitting and water outlet system for household water supply pipelines. The disclosed dual-channel water outlet pipe fitting includes a first channel assembly, a second channel assembly, and a tubular connector. The first channel assembly has a first water passage and a first valve for opening or closing the first water passage. At least a portion of the outer wall of the first channel assembly forms a second water passage communicating with the first water passage between the outer wall and the inner wall of the tubular connector. The second channel assembly has a third water passage, a fourth water passage, and a second valve for opening or closing the fourth water passage. The first water passage is connected to the third water passage, and the second water passage is connected to the fourth water passage. This dual-channel water outlet pipe fitting can achieve water outlet from one or two channels and can be integrated into a single external connection hole.

Description

Technical Field

[0001] This utility model relates to the field of pipe fittings technology, and more specifically, to a dual-channel water outlet pipe fitting and water outlet system for household water supply. Background Technology

[0002] Household water supply systems contain various components, such as pre-filters, ball valves, shut-off valves, and microbubblers. These commonly used components typically have only one or no external communication channels. For example, a pre-filter has only one drain channel for external discharge, in addition to the two pipe connections at both ends; a microbubbler has only one air intake channel; and an antifreeze valve has only one drainage channel. When a household water supply component needs to open one or two external channels simultaneously or as needed, current technology and structures do not yet provide this functionality. Therefore, finding a solution for household water supply components that can simultaneously open two channels is a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0003] The purpose of this utility model is to provide a dual-channel water outlet pipe fitting and water outlet system for household water supply, aiming to improve at least one of the problems mentioned in the background art.

[0004] The embodiments of this utility model can be implemented as follows:

[0005] In a first aspect, this utility model provides a dual-channel water outlet pipe fitting for a water supply pipeline, including a first channel assembly, a second channel assembly, and a tubular connector.

[0006] The first channel assembly has a first water passage and a first valve for opening or closing the first water passage;

[0007] At least a portion of the outer wall of the first channel assembly forms a second water passage that communicates with the first water passage between the outer wall of the tubular connector and the inner wall of the tubular connector.

[0008] The second channel assembly has a third water passage, a fourth water passage, and a second valve for opening or closing the fourth water passage;

[0009] The first water passage is connected to the third water passage, and the second water passage is connected to the fourth water passage.

[0010] In an optional implementation, the first channel assembly includes a first valve and a dual-channel connector;

[0011] The first valve includes a first housing, a sensing element, and a push rod;

[0012] The sensitive element is housed within the first housing. One end of the push rod is located inside the first housing and contacts the sensitive element, while the other end extends out of the first housing. The dual-channel connector has a first cavity and a second cavity that are interconnected and connected through a water passage hole. The first housing is connected to the dual-channel connector at the corresponding first cavity, and the connection point has a water passage gap that allows water to flow through. The other end of the push rod is located inside the first cavity. The sensitive element is an element whose volume automatically changes with environmental conditions. When the volume of the thermal element increases, it can push the push rod so that the other end of the push rod abuts against the water passage hole, thus closing the water passage hole. When the volume of the thermal element decreases, it can pull back the push rod, allowing the first cavity and the second cavity to connect, i.e., the first water passage channel to be unobstructed.

[0013] In an optional implementation, the sensing element is a thermistor;

[0014] Optionally, the thermal element is made of paraffin;

[0015] Optionally, a first sealing gasket is provided at the end of the push rod away from the sensitive element.

[0016] In an optional embodiment, the first housing includes a receiving portion and a connecting portion, which are fastened together and a sealing ring is provided between them. The sensitive element is filled in the receiving portion, and the push rod is disposed in the connecting portion. The outer wall of the end of the push rod near the sensitive element is fitted with a sealing ring, and the outer periphery of the sealing ring fitted on the outer wall of the push rod abuts against the inner wall of the connecting portion.

[0017] In an optional implementation, the second channel assembly includes a second housing and a second valve;

[0018] The second valve includes a switching assembly and a valve ball;

[0019] The second housing is connected to the tubular connector. The second housing has a valve ball mounting cavity. The dual-channel connector passes through the tubular connector and enters the second housing, communicating with the valve ball mounting cavity. The second housing is provided with an outlet. The tubular connector, the gap between the valve ball and the valve ball mounting cavity, and the outlet are connected in sequence. The tubular connector and the dual-channel connector form a second water passage. The second housing has a water passage cavity communicating with the second water passage cavity. The switch assembly is connected to the valve ball. The valve ball has an internal channel. By rotating the switch assembly, the valve ball is driven to rotate, so that the valve ball can have an open state and a closed state. In the open state, one end of the internal channel communicates with the outlet, and the other end communicates with the water passage cavity to form a fourth water passage. In the closed state, the spherical surface of the valve ball blocks the end of the water passage cavity, thus breaking the connection.

[0020] In an optional embodiment, a first connecting short tube is provided on the second housing, the first connecting short tube is inserted into the tubular connecting body and threadedly connected to the inner wall of the tubular connecting body, and a sealing ring is provided between the first connecting short tube and the tubular connecting body.

[0021] In an optional embodiment, the second housing includes a cover and a housing body, the cover being connected to a tubular connector, and the valve ball being disposed inside the housing body;

[0022] The cover body is provided with a connecting ring. The outer wall of the connecting ring is connected to the inner wall of the cover body through multiple connecting ribs. The shell body is provided with a second connecting short tube. The second connecting short tube is connected to the valve ball mounting cavity. The end of the tubular connector away from the sensitive element is inserted into the second connecting short tube. The second connecting short tube is inserted into the connecting ring and the two are threaded together.

[0023] In an optional embodiment, the inner wall of the cover and the outer wall of the connecting ring form a first water cavity, and a second water cavity is provided inside the shell body. The first water cavity and the second water cavity are connected to form a water passage cavity.

[0024] A second sealing gasket is provided at the end of the water passage cavity inside the shell body;

[0025] Optionally, the housing body has an assembly hole through which the switch assembly passes and connects to the valve ball, and a third sealing gasket is provided at the assembly hole on the inner wall of the housing body.

[0026] Secondly, this utility model provides a dual-channel water outlet system for household water supply pipelines, including a dual-channel pipe body, functional components, an installation body, and a dual-channel water outlet fitting for water supply pipelines as described in any of the foregoing embodiments;

[0027] The dual-channel tube has a first inlet, a second outlet, a second inlet connected to the first inlet, and a first outlet connected to the second outlet; the second outlet is connected to the mounting body, and the first outlet is connected to the functional element, which is located inside the mounting body.

[0028] The functional element is connected to the first water passage, and the gap between the outer wall of the functional element and the inner wall of the mounting body is connected to the second water passage.

[0029] In an optional implementation, the functional element is a pre-filter or a microbubble generator.

[0030] The beneficial effects of this utility model include:

[0031] The dual-channel water outlet fitting provided by this utility model has a first and a third water passage connected to form a water flow channel A, and a second and a fourth water passage connected to form a water flow channel B. The opening and closing of water flow channels A or B can be controlled by setting a first valve and a second valve. For example, opening the first valve allows water flow channel A to flow freely, while opening the second valve opens water flow channel B. Therefore, the dual-channel water outlet fitting provided by this utility model, integrated into a household water supply pipeline, allows for independent adjustment of the opening and closing of the two channels, enabling the opening or closing of one or both channels simultaneously. Furthermore, the fitting can be integrated into a single external connection hole. This design is simple in structure, easy to manufacture, occupies minimal space, and has an aesthetically pleasing appearance. Attached Figure Description

[0032] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 This is a schematic diagram of the structure of the dual-channel water outlet system for household water supply provided in this embodiment;

[0034] Figure 2 This is a cross-sectional view of a dual-channel water outlet system for household water supply provided in this embodiment;

[0035] Figure 3 This is a cross-sectional view of the first state of the dual-channel water outlet system for household water supply provided in this embodiment;

[0036] Figure 4 This is a cross-sectional view of the second state of the dual-channel water outlet system for household water supply provided in this embodiment;

[0037] Figure 5 This is a cross-sectional view of the third state of the dual-channel water outlet system for household water supply provided in this embodiment;

[0038] Figure 6 This is a cross-sectional view of the fourth state of the dual-channel water outlet system for household water supply provided in this embodiment;

[0039] Figure 7 A cross-sectional view of the first channel assembly when the first valve is closed;

[0040] Figure 8 A cross-sectional view of the first channel assembly when the first valve is open;

[0041] Figure 9 This is an exploded view of the first channel component;

[0042] Figure 10 This is a sectional view of the receiving part;

[0043] Figure 11 This is a sectional view of the connecting part;

[0044] Figure 12 A cross-sectional view of the second channel assembly when the second valve is closed;

[0045] Figure 13 A cross-sectional view of the second channel assembly when the second valve is open;

[0046] Figure 14 An exploded view of the second channel component;

[0047] Figure 15 This is a schematic diagram of the shell's main structure;

[0048] Figure 16 This is a sectional view of the main shell.

[0049] Figure 17 This is a sectional view of the cover.

[0050] Icons: 100 - Dual-channel water supply pipe fitting; 101 - First water passage; 102 - Second water passage; 103 - Third water passage; 104 - Fourth water passage; 110 - First channel assembly; 111 - Dual-channel connector; 112 - First cavity; 113 - Second cavity; 114 - Water passage hole; 115 - Water passage gap; 116 - First sealing gasket; 120 - First valve; 121 - First housing; 121a - Receiving part; 121b - Connecting part; 121c - Connecting block; 122 - Sensing element; 123 - Push rod; 130 - Second channel assembly; 131 - Second housing; 132 - Valve ball mounting cavity; 133 - Water outlet; 134 - Water passage cavity; 135 - First connecting short pipe; 136 - Cover; 136a - Connecting... 136b-Connecting rib; 136c-First water chamber; 137-Shell body; 137a-Second connecting short pipe; 137b-Assembly hole; 137c-Second water chamber; 137d-Second sealing gasket; 137e-Third sealing gasket; 137f-Sealing groove; 138-Drain connector; 139-Drain pipe; 140-Second valve; 141-Switch assembly; 142-Valve ball; 143-Ball inner channel; 144-Assembly fitting; 145-Valve stem; 146-Handle; 150-Tube-shaped connector; 161-Sealing ring; 10-Dual-channel water outlet system for domestic water supply; 11-Dual-channel pipe body; 11a-First inlet; 11b-Second outlet; 11c-Second inlet; 11d-First outlet; 12-Functional element; 13-Mounting body. Detailed Implementation

[0051] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0052] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0053] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0054] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model 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 this utility model.

[0055] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0056] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0057] like Figures 1 to 3 As shown ( Figure 3 (The dashed line indicates the water flow channel, and the arrow indicates the direction of water flow.) This utility model embodiment provides a dual-channel water outlet fitting 100 for a water supply pipeline, including a first channel assembly 110, a second channel assembly 130, and a tubular connector 150.

[0058] The first channel assembly 110 has a first water passage 101 and a first valve 120 for opening or closing the first water passage 101.

[0059] At least a portion of the outer wall of the first channel assembly 110 forms a second water passage 102 that communicates with the first water passage 101 between the outer wall of the first channel assembly 110 and the inner wall of the tubular connector 150.

[0060] The second channel assembly 130 has a third water passage 103, a fourth water passage 104, and a second valve 140 for opening or closing the fourth water passage 104.

[0061] The first water passage 101 is connected to the third water passage 103, and the second water passage 102 is connected to the fourth water passage 104.

[0062] The dual-channel water outlet fitting 100 provided by this utility model has a water flow channel A formed by connecting the first water flow channel 101 and the third water flow channel 103, and a water flow channel B formed by connecting the second water flow channel 102 and the fourth water flow channel 104. The opening or closing of water flow channel A or B can be controlled by the setting of the first valve 120 and the second valve 140. For example, opening the first valve 120 allows water flow channel A to flow freely, and opening the second valve 140 opens water flow channel B. Therefore, the dual-channel water outlet fitting 100 provided by this utility model is integrated into a household water supply pipeline, enabling independent adjustment of the opening and closing of the two channels, allowing one or both channels to be opened or closed simultaneously. Furthermore, the water outlet fitting can be integrated into a single external connection hole. This design is simple in structure, easy to manufacture, occupies little space, and has an aesthetically pleasing appearance.

[0063] Specifically, the dual-channel water outlet fitting 100 of the water supply pipeline has four different channel opening and closing methods, such as... Figure 3 As shown, both water flow channels A and B are open; Figure 4 As shown, water flow channels A and B are both blocked; Figure 5 As shown, water flow channel A is open but channel B is closed; Figure 6 As shown, water flow channel A is blocked while channel B is open.

[0064] like Figures 7 to 11 As shown, in an optional embodiment, the first channel assembly 110 includes a first valve 120 and a dual-channel connector 111; the first valve 120 includes a first housing 121, a sensing element 122, and a push rod 123;

[0065] The sensitive element 122 is disposed inside the first housing 121. One end of the push rod 123 is located inside the first housing 121 and contacts the sensitive element 122, while the other end extends out of the first housing 121. The dual-channel connector 111 has a first cavity 112 and a second cavity 113 that are interconnected, and the first cavity 112 and the second cavity 113 are connected through a water passage hole 114. The first housing 121 and the dual-channel connector 111 are connected at the corresponding position of the first cavity 112, and the connection between the two has a water passage gap 115 that allows water to flow through. The other end of the push rod 123 is located inside the first cavity 112. The sensitive element 122 is an element whose volume automatically changes with changes in environmental conditions. When the volume of the thermal element increases, it can push the push rod 123 so that the other end of the push rod 123 abuts against the water passage hole 114, thereby closing the water passage hole 114 (e.g., Figure 7 As shown), when the volume of the thermal element decreases, the push rod 123 can be pulled back, connecting the first cavity 112 and the second cavity 113, thus unblocking the first water passage 101 (as shown). Figure 8 (As shown).

[0066] The unobstructed flow of the first water passage 101 ensures the unobstructed flow of the water channel A. Therefore, the specific configuration of the first valve 120 enables the water channel A to automatically open or close according to changes in the surrounding environment.

[0067] Furthermore, the sensing element 122 is a thermal element. That is, when the temperature of the water flow inside the pipe changes or the temperature around the pipe changes, the first valve 120 can automatically open and close.

[0068] Furthermore, the heat-sensitive element is paraffin wax. When the ambient temperature of the pipe fitting is high (above 4 degrees Celsius), the paraffin wax is in a molten state. Due to its larger volume, the paraffin wax pushes the push rod 123 to block the water passage 114, closing the first valve 120, and thus the water flow channel A is closed. When the ambient temperature of the pipe fitting is low (below 4 degrees Celsius), the paraffin wax is in a solid state. Due to its smaller volume, the paraffin wax pulls back the push rod 123, releasing the blockage of the water passage 114, and thus the water flow channel A is open. When the heat-sensitive element is paraffin wax, the water flow channel A can automatically open when the ambient temperature of the pipe fitting is too low. With water flowing, this effectively reduces the freezing of water inside the pipe, achieving a good antifreeze effect.

[0069] Optionally, a first sealing gasket 116 is provided at the end of the push rod 123 away from the sensitive element 122. The first sealing gasket ensures better sealing when the first valve 120 is closed.

[0070] Optionally, the first housing 121 includes a receiving portion 121a and a connecting portion 121b, which are interlocked and a sealing ring 161 is provided between them. The sensitive element 122 is filled in the receiving portion 121a, and the push rod 123 is disposed in the connecting portion 121b. The outer wall of the push rod 123 near the sensitive element 122 is fitted with a sealing ring 161, and the outer periphery of the sealing ring 161 fitted on the outer wall of the push rod 123 abuts against the inner wall of the connecting portion 121b.

[0071] Furthermore, one end of the connecting part 121b is provided with a ring of multiple connecting blocks 121c, the inner wall of the dual-channel connecting body 111 corresponding to the inner wall of the first cavity 112 is provided with internal threads, the outer wall of the multiple connecting blocks 121c is provided with external threads, the multiple connecting blocks 121c are connected to the dual-channel connecting body 111 by threads, and the gap between adjacent multiple connecting blocks 121c is connected to the outside of the dual-channel water outlet fitting 100 of the water supply pipeline.

[0072] Optionally, such as Figures 12 to 17 As shown, the second channel assembly 130 includes a second housing 131 and a second valve 140; the second valve 140 includes a switch assembly 141 and a valve ball 142.

[0073] The second housing 131 communicates with the tubular connector 150. The second housing 131 has a valve ball mounting cavity 132. The dual-channel connector 111 passes through the tubular connector 150 and enters the second housing 131, communicating with the valve ball mounting cavity 132. The second housing 131 is provided with an outlet 133. The tubular connector 150, the gap between the valve ball 142 and the valve ball mounting cavity 132, and the outlet 133 are sequentially connected. The tubular connector 150 and the dual-channel connector 111 form a... The second water passage 102, the second housing 131 has a water passage cavity 134 communicating with the second water passage 102, the switch assembly 141 and the valve ball 142 are connected, the valve ball 142 has an internal channel 143, by rotating the switch assembly 141 to drive the valve ball 142 to rotate, so that the valve ball 142 can have an open state and a closed state. In the open state, one end of the internal channel 143 is connected to the outlet 133 and the other end is connected to the water passage cavity 134 to form a fourth water passage 104 (e.g. Figure 13 As shown in the figure, the dotted line represents the water passage cavity 134; in the closed state, the spherical surface of the valve ball blocks the end of the water passage cavity 134, thus breaking the connection (e.g., Figure 12 (As shown).

[0074] Optionally, a first connecting short tube 135 is provided on the second housing 131. The first connecting short tube 135 is inserted into the tubular connector 150 and threadedly connected to the inner wall of the tubular connector 150. A sealing ring 161 is provided between the first connecting short tube 135 and the tubular connector 150.

[0075] Optionally, the second housing 131 includes a cover 136 and a housing body 137, the cover 136 is connected to the tubular connector 150, and the valve ball 142 is disposed inside the housing body 137;

[0076] A connecting ring 136a is provided inside the cover 136. The outer wall of the connecting ring 136a is connected to the inner wall of the cover 136 through multiple connecting ribs 136b. The shell body 137 is provided with a second connecting short tube 137a. The second connecting short tube 137a communicates with the valve ball mounting cavity 132. The end of the tubular connector 150 away from the sensitive element is inserted into the second connecting short tube 137a. The second connecting short tube 137a is inserted into the connecting ring 136a and the two are threaded together.

[0077] The connection between the second connecting short tube 137a and the connecting ring 136a also connects the cover 136 and the shell body 137. To achieve a seal, a sealing groove 137f is provided on one of the two contact surfaces between the cover 136 and the shell body 137, and a sealing ring 161 is provided in the groove.

[0078] Optionally, the inner wall of the cover 136 and the outer wall of the connecting ring 136a form a first water cavity 136c, and a second water cavity 137c is provided inside the shell body 137. The first water cavity 136c and the second water cavity 137c are connected to form a water passage cavity 134. A second sealing gasket 137d is provided inside the shell body 137 corresponding to the end of the water passage cavity 134. When the operating switch assembly 141 causes the spherical surface of the valve ball to block the end of the water passage cavity 134, the second sealing gasket 137d can play a good sealing role and completely close the channel.

[0079] Optionally, the housing body 137 has an assembly hole 137b, through which the switch assembly 141 passes and connects to the valve ball 142. A third sealing gasket 137e is provided at the assembly hole 137b on the inner wall of the housing body 137. The third sealing gasket 137e can prevent water inside the pipe from leaking out from the assembly hole 137b.

[0080] Furthermore, the assembly hole 137b is a threaded hole. The switch assembly 141 includes an assembly 144, a valve stem 145, and a handle 146. The outer wall of the assembly 144 is provided with threads, which are connected to the second housing 131 through the threaded hole. A through hole is opened in the middle of the assembly 144. One end of the valve stem 145 is connected to the valve ball 142, and the other end passes through the through hole and is connected to the handle 146. A sealing ring 161 is fitted on the outer wall of the valve stem 145 to achieve a seal between the valve stem 145 and the assembly 144.

[0081] Furthermore, the dual-channel water outlet fitting 100 of the water supply pipeline also includes a drain connector 138 and a drain pipe 139. The drain pipe 139 connector is connected to the second housing 131 and is located at the water outlet 133 and communicates with the water outlet 133. The drain pipe 139 is connected to the drain connector, and the water in the water flow channel A and the water flow channel B is discharged from the water outlet pipe.

[0082] This utility model embodiment also provides a dual-channel water outlet system 10 for household water supply pipelines, including a dual-channel pipe body 11, a functional element 12, an installation body 13, and a dual-channel water outlet fitting 100 for water supply pipelines provided in this utility model embodiment.

[0083] Specifically, the dual-channel pipe body 11 has a first inlet 11a, a second outlet 11b, a second inlet 11c communicating with the first inlet 11a, and a first outlet 11d communicating with the second outlet 11b; the first inlet and outlet are connected to the mounting body 13, the first outlet 11d is connected to the functional element 12, and the functional element 12 is located inside the mounting body 13; the functional element 12 is connected to the first water flow channel 101, and the gap between the outer wall of the functional element 12 and the inner wall of the mounting body 13 is connected to the second water flow channel 102.

[0084] When the pipe is not draining, water flow channels A and B are both blocked. The water flows through the pipe fitting from the first inlet 11a, through the second inlet 11c into the functional element 12, and then flows out from the first outlet 11d and the second outlet 11b in sequence.

[0085] Furthermore, functional element 12 is a pre-filter or a microbubble generating mechanism. As shown in the figure of this utility model, functional element 12 is a pre-filter. When the pre-filter needs to be drained, the water inside the pre-filter will be discharged from the water flow channel B through the control handle, thus playing a role in draining. Therefore, the two channels can be opened simultaneously without interference, or closed simultaneously, and one of the channels can be opened as needed.

[0086] In summary, the dual-channel water outlet fitting provided by this utility model connects the first and third water passages to form a water flow channel A, and connects the second and fourth water passages to form a water flow channel B. The opening and closing of water flow channels A or B can be controlled by the first and second valves; for example, opening the first valve allows water flow channel A to flow freely, and opening the second valve opens water flow channel B. Therefore, the dual-channel water outlet fitting provided by this utility model, integrated into a household water supply pipeline, allows for independent adjustment of the opening and closing of the two channels. Furthermore, the fitting can be integrated into a single external connection hole, enabling the opening or closing of one or both channels simultaneously. This design is simple in structure, easy to manufacture, occupies minimal space, and has an aesthetically pleasing appearance.

[0087] In a preferred embodiment, when the first valve is a temperature-sensitive valve, the first water flow channel can be automatically adjusted according to temperature changes, which can effectively prevent the pipe from freezing due to excessively low temperature.

[0088] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A dual-channel water outlet pipe fitting for a water supply pipeline, characterized in that, Includes a first channel assembly, a second channel assembly, and a tubular connector; The first channel assembly has a first water passage and a first valve for opening or closing the first water passage; At least a portion of the outer wall of the first channel assembly forms a second water passage that communicates with the first water passage between the outer wall and the inner wall of the tubular connector; The second channel assembly has a third water passage, a fourth water passage, and a second valve for opening or closing the fourth water passage; The first water passage is connected to the third water passage, and the second water passage is connected to the fourth water passage.

2. The dual pass water outlet plumbing fitting of claim 1, wherein, The first channel assembly includes the first valve and a dual-channel connector; The first valve includes a first housing, a sensing element, and a push rod; The sensitive element is disposed inside the first housing, and one end of the push rod is located inside the first housing and in contact with the sensitive element, while the other end extends out of the first housing. The dual-channel connector has a first cavity and a second cavity that are interconnected, and the first cavity and the second cavity are connected through a water passage hole; the first housing is connected to the dual-channel connector at the location corresponding to the first cavity, and the connection between the two has a water passage gap that allows water to flow through; the other end of the push rod is located in the first cavity; the sensitive element is an element whose volume automatically changes with changes in environmental conditions. When the volume of the thermal element increases, it can push the push rod so that the other end of the push rod abuts against the water passage hole, thereby closing the water passage hole; when the volume of the thermal element decreases, it can pull back the push rod, allowing the first cavity and the second cavity to connect, that is, the first water passage channel to be unobstructed.

3. The dual pass water outlet plumbing fitting of claim 2, wherein, The sensitive element is paraffin.

4. The dual-channel water outlet pipe fitting for water supply pipelines according to claim 2, characterized in that, The first housing includes a receiving part and a connecting part, the receiving part and the connecting part are fastened to each other, and a sealing ring is provided between them. The sensitive element is filled in the receiving part, the push rod is disposed in the connecting part, and a sealing ring is sleeved on the outer wall of the end of the push rod near the sensitive element. The outer periphery of the sealing ring sleeved on the outer wall of the push rod abuts against the inner wall of the connecting part.

5. The dual-channel water outlet pipe fitting for water supply pipelines according to claim 2, characterized in that, The second channel assembly includes a second housing and a second valve; The second valve includes a switching assembly and a valve ball; The second housing is connected to the tubular connector. The second housing has a valve ball mounting cavity. The dual-channel connector passes through the tubular connector and enters the second housing, communicating with the valve ball mounting cavity. The second housing has an outlet. The tubular connector, the gap between the valve ball and the valve ball mounting cavity, and the outlet are sequentially connected. The tubular connector and the dual-channel connector form the second water passage. The second housing has a water passage cavity communicating with the second water passage cavity. The switch assembly is connected to the valve ball. The valve ball has an internal channel. By rotating the switch assembly, the valve ball can rotate, allowing the valve ball to have an open state and a closed state. In the open state, one end of the internal channel communicates with the outlet, and the other end communicates with the water passage cavity to form the fourth water passage. In the closed state, the spherical surface of the valve ball blocks the end of the water passage cavity, breaking the connection.

6. The dual-channel water outlet pipe fitting for water supply pipelines according to claim 5, characterized in that, The second housing is provided with a first connecting short tube, which is inserted into the tubular connecting body and threaded to the inner wall of the tubular connecting body. A sealing ring is provided between the first connecting short tube and the tubular connecting body.

7. The dual-channel water outlet pipe fitting for water supply pipelines according to claim 5, characterized in that, The second housing includes a cover and a housing body, the cover being connected to the tubular connector, and the valve ball being disposed inside the housing body; The cover body is provided with a connecting ring, and the outer wall of the connecting ring is connected to the inner wall of the cover body by multiple connecting ribs. The shell body is provided with a second connecting short tube, which communicates with the valve ball mounting cavity. The end of the tubular connector away from the sensitive element is inserted into the second connecting short tube, and the second connecting short tube is inserted into the connecting ring and the two are threaded together.

8. The dual-channel water outlet pipe fitting for water supply pipelines according to claim 7, characterized in that, The inner wall of the cover and the outer wall of the connecting ring form a first water cavity, and a second water cavity is provided inside the shell body. The first water cavity and the second water cavity are connected to form the water passage cavity. A second sealing gasket is provided inside the shell body at the end corresponding to the water passage cavity; The housing body has an assembly hole, the switch assembly passes through the assembly hole and connects to the valve ball, and a third sealing gasket is provided at the assembly hole on the inner wall of the housing body.

9. A dual-channel water outlet system for household water supply, characterized in that, Includes a dual-channel pipe body, functional elements, mounting body, and a dual-channel water outlet pipe fitting as described in any one of claims 1 to 8; The dual-channel tube has a first inlet, a second outlet, a second inlet connected to the first inlet, and a first outlet connected to the second outlet; The second outlet is connected to the mounting body, and the first outlet is connected to the functional element, which is located within the mounting body. The functional element is connected to the first water passage, and the gap between the outer wall of the functional element and the inner wall of the mounting body is connected to the second water passage.

10. The dual-channel water outlet system for household water supply according to claim 9, characterized in that, The functional component is a pre-filter or a microbubble generator.

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