A pull-through faucet structure

Abstract

The utility model discloses a kind of inner pipe-through faucet structure, its technical solution main points include tee piece, valve core is arranged in tee piece, valve core seat, water outlet pipe, adapter, inner pipe-through pipe are arranged in tee piece, positioning assembly is arranged between valve core seat and tee piece, valve core is installed on valve core seat, one end of water outlet pipe is connected on valve core seat and is communicated with valve core by valve core seat, another end is connected with adapter, one end of inner pipe-through pipe is communicated with water outlet pipe by adapter, another end extends to the water outlet of tee piece;The utility model is through the structure of tee piece collocation inner pipe-through pipe, water outlet passage is independent of tee piece body, so that tee piece does not need to rely on water flow adaptation of its own material, to solve the defect that part material tee piece cannot be directly used for water outlet, greatly expands the material selection range of faucet.

Description

Technical Field

[0001] This utility model relates to the field of faucet technology, and more specifically to a faucet structure with an internal tube. Background Technology

[0002] Faucets are indispensable sanitary ware in modern buildings. One of their core functional components is the tee, which serves as the housing structure connecting the cold and hot water inlets to the valve core and ultimately guiding the water flow to the outlet. Currently, the mainstream materials for tee fittings in the faucet market are copper alloy or stainless steel. This is because these materials combine good structural strength with reliable water delivery performance. They can directly serve as water flow channels, are not easily corroded over long-term use, and have no adverse effects on drinking water quality.

[0003] However, driven by the desire to reduce costs, achieve specific aesthetic qualities, or realize more complex designs, there is a market demand for tee fittings made from other materials (such as engineering plastics, cast iron, aluminum alloys, or composite materials). But this demand faces several drawbacks in practice, such as:

[0004] Hygiene and safety issues: Some plastics or composite materials may pose a risk of chemical leaching, failing to meet hygiene standards for drinking water contact materials; Corrosion resistance issues: Materials such as cast iron are prone to rusting when exposed to water flow for extended periods, which not only pollutes the water but also shortens the product's lifespan.

[0005] To address this issue, existing technologies may add a protective liner to the inner wall of the tee fitting, but this process is complex, costly, and the liner is at risk of falling off; or they may still be forced to use high-cost copper or stainless steel materials, which limits the diversity of product design and market competitiveness. Utility Model Content

[0006] To solve the above problems, this utility model uses an internal pipe, adapter, outlet pipe, and valve core seat to form an independent, built-in water conveying system to undertake the water conveying function, so that the tee only serves as a structural support, thus physically separating the functions of the "water conveying channel" and the "tee body". The technical solution is as follows:

[0007] An internal pipe faucet structure includes a tee fitting, a valve core disposed within the tee fitting, a valve core seat, a water outlet pipe, an adapter, and an internal pipe disposed within the tee fitting, a positioning component disposed between the valve core seat and the tee fitting, the valve core being mounted on the valve core seat, one end of the water outlet pipe being connected to the valve core seat and communicating with the valve core through the valve core seat, and the other end being connected to the adapter, one end of the internal pipe communicating with the water outlet pipe through the adapter, and the other end extending to the water outlet of the tee fitting.

[0008] The present invention is further configured such that: the top of the three-way fitting is provided with a receiving groove, the bottom of the receiving groove is provided with a stepped surface, the valve core seat is attached to the stepped surface, and the valve core is installed in the receiving groove.

[0009] The present invention is further configured such that: the positioning component includes a plurality of positioning ribs disposed on one of the inner wall of the tee or the periphery of the valve core seat, and a plurality of positioning notches corresponding to and cooperating with the positioning ribs are provided on the other of the two.

[0010] The present invention is further configured such that: the bottom of the valve core seat has a protruding connecting part, the top of the water outlet pipe passes through the connecting part, and a throttling device is provided between the water outlet pipe and the connecting part.

[0011] The present invention is further configured such that: the adapter includes a first connector and a second connector, the water outlet pipe is inserted into the first connector, the inner pipe is inserted into the second connector, and the first connector and the second connector are interconnected.

[0012] The present invention is further configured such that: a snap-fit ​​ring is provided on the peripheral side wall of the end of the outlet pipe and the inner through pipe that enters the adapter; the inner walls of the first connector and the second connector are respectively provided with annular grooves that cooperate with the snap-fit ​​ring; and the snap-fit ​​ring and / or the adapter and / or the outlet pipe and the inner through pipe are elastic.

[0013] The present invention is further configured such that: the first connector is vertically open upwards, the second connector is inclined upwards open, the bottom of the adapter is closed, the second connector protrudes from the bottom of the tee, the bottom of the tee is connected to a threaded tube, and the tee and the threaded tube cover the adapter.

[0014] The present invention is further configured such that: the outlet of the tee is provided with an aerator, the peripheral wall of the aerator is threadedly connected to the inner wall of the tee, the inner tube is connected to the aerator, and a gasket is provided between the inner tube and the aerator.

[0015] The present invention is further configured such that: a handle is movably provided on the top of the three-way fitting, the handle is used to control the valve core, and a water inlet pipe is provided at the bottom of the three-way fitting, the water inlet pipe passes through the three-way fitting and communicates with the valve core through the valve core seat.

[0016] Compared with the prior art, the present invention has at least the following advantages:

[0017] 1. By using a three-way fitting with an inner pipe structure, the water outlet channel is made independent of the three-way fitting body. The inner pipe directly undertakes the function of transporting water to the outlet, so that the three-way fitting does not need to rely on the water flow adaptability of its own material, but only needs to meet the basic structural strength. This solves the defect that some material three-way fittings cannot be used directly for water outlet, and greatly expands the range of materials that can be selected for faucets.

[0018] 2. The valve core seat can achieve precise positioning through the cooperation of the positioning rib and the positioning notch, avoiding flow channel blockage or abnormal water output caused by valve core seat installation misalignment, ensuring stable water flow and tight fit of components, extending the service life of the device, and also has a foolproof effect, making installation more convenient.

[0019] 3. The adapter is designed with a "clamping ring-groove" fit between the water outlet pipe and the inner pipe. It uses elasticity to achieve "deformation-reset" for quick docking. It can be plugged in and fixed without tools, which greatly improves assembly efficiency. Attached Figure Description

[0020] Figure 1 This is an overall schematic diagram of this embodiment;

[0021] Figure 2 This is a cross-sectional view of the entire embodiment;

[0022] Figure 3 This is a schematic diagram of the valve core seat;

[0023] Figure 4 This is a schematic diagram of the water outlet pipe and the inner through pipe after assembly;

[0024] Figure 5 This is an assembly diagram of the water outlet pipe section;

[0025] Figure 6 This is a cross-sectional view of the water outlet pipe section;

[0026] Figure 7 This is an assembly diagram of the bubbler section.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Tee; 2. Valve core; 3. Valve core seat; 4. Outlet pipe; 5. Adapter; 501. First connector; 502. Second connector; 6. Inner pipe; 7. Outlet; 8. Receiving groove; 9. Stepped surface; 10. Positioning rib; 11. Positioning notch; 12. Water-saving plate; 13. Snap-fit ​​ring; 14. Ring groove; 15. Aerator; 16. Gasket; 17. Handle; 18. Inlet pipe; 19. Limiting surface; 20. Threaded pipe. Detailed Implementation

[0029] 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, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0030] like Figure 1 and Figure 2 As shown, an internally perforated faucet structure includes a tee fitting 1. The tee fitting 1 forms a cavity inside the main body shell, including a vertical pipe and a horizontal bend that are interconnected. The tee fitting 1 houses a valve core 2, a valve core seat 3, a water outlet pipe 4, an adapter 5, and an internally perforated pipe 6. A positioning component is provided between the valve core seat 3 and the tee fitting 1 to ensure the stability of the valve core seat 3. The valve core 2 is mounted on the valve core seat 3. One end of the water outlet pipe 4 is connected to the valve core seat 3 and communicates with the valve core 2 through the valve core seat 3; the other end is connected to the adapter 5. One end of the internally perforated pipe 6 communicates with the water outlet pipe 4 through the adapter 5; the other end extends to the water outlet 7 of the tee fitting 1. The internally perforated pipe 6 directly delivers water to the water outlet 7, solving the problem that some tee fittings made of certain materials cannot directly discharge water, thus expanding its application in basin faucet tee fittings.

[0031] like Figure 3 and Figure 7 As shown, the top of the tee fitting 1 is provided with a receiving groove 8, and the bottom of the receiving groove 8 is provided with a stepped surface 9. The stepped surface 9 protrudes around the inner wall of the tee fitting 1. The valve core seat 3 is attached to the stepped surface 9, and the valve core 2 is installed in the receiving groove 8 and attached to the valve core seat 3.

[0032] The valve core seat 3 and the tee fitting 1 are precisely fixed together by a positioning assembly. The positioning assembly includes several positioning ribs 10 disposed on either the inner wall of the tee fitting 1 or the periphery of the valve core seat 3, and several positioning notches 11 corresponding to and cooperating with the positioning ribs 10 on the other side. In this embodiment, the positioning ribs 10 are disposed on the inner wall of the tee fitting 1 and are equidistantly arranged along the circumference of the inner wall. The positioning notches 11 are opened on the periphery of the valve core seat 3. When the valve core seat 3 is attached to the stepped surface 9, the positioning ribs 10 are embedded into the positioning notches 11 one by one, thereby preventing the valve core seat 3 from rotating or shifting, ensuring that the flow channels of the valve core seat 3 and the valve core 2 are aligned. At the same time, the positioning assembly also has a foolproof function, enabling quick alignment during installation.

[0033] like Figures 4 to 6As shown, the bottom of the valve core seat 3 has a protruding connecting part. The top of the water outlet pipe 4 passes through the connecting part and communicates with the valve core 2 through the connecting part. The top of the water outlet pipe 4 is fixed by a threaded connection to the inner wall of the connecting part. A throttling device is provided between the water outlet pipe 4 and the connecting part. The throttling device is specifically a water-saving plate 12, which is located at the top of the water outlet pipe 4 inside the connecting part.

[0034] The adapter 5 specifically includes a first connector 501 and a second connector 502. The water outlet pipe 4 is inserted into the first connector 501, and the inner pipe 6 is inserted into the second connector 502. The first connector 501 and the second connector 502 are interconnected to form a water flow channel, thereby connecting the water outlet pipe 4 and the inner pipe 6 through the adapter 5.

[0035] The connection between the outlet pipe 4 and the inner through pipe 6 and the adapter 5 adopts a snap-fit ​​structure. Both the outlet pipe 4 and the inner through pipe 6 have snap-fit ​​rings 13 on their peripheral sidewalls near the end into the adapter. The inner walls of the first connector 501 and the second connector 502 are respectively provided with annular grooves 14 that mate with the snap-fit ​​rings 13. The snap-fit ​​rings 13 and / or the adapter 5 and / or the outlet pipe 4 and the inner through pipe 6 are elastic, allowing them to deform and snap into the annular grooves 14 during installation, achieving quick fixation without tools and greatly improving installation efficiency. The outlet pipe 4 and the first connector 501, and the inner through pipe 6 and the second connector 502, are interference fits, improving connection stability and sealing. Furthermore, sealing rings are embedded at the ends of both the outlet pipe 4 and the inner through pipe 6, further enhancing the sealing effect and preventing water leakage.

[0036] In this embodiment, the first connector 501 is vertically open to facilitate connection with the outlet pipe 4, while the second connector 502 is tilted upwards and faces the side of the horizontal bend to accommodate the bending path of the inner pipe 6. The bottom of the adapter 5 is closed, allowing water to flow downwards to the bottom of the adapter 5 before entering the inner pipe 6. After the connecting structure is connected to the outlet pipe 4, it is installed inside the tee 1. At this time, the opening of the second connector 502 protrudes from the bottom of the tee 1, facilitating the installation of the inner pipe 6. The bottom of the tee 1 is connected to a threaded tube 20, and the tee 1 and the threaded tube 20 completely enclose the adapter 5.

[0037] like Figure 7 As shown, the outlet 7 of the tee fitting 1 is equipped with an aerator 15. The peripheral sidewall of the aerator 15 is threadedly connected to the inner wall of the tee fitting 1 for fixation. The inner tube 6 communicates with the aerator 15. The aerator 15 is used to mix water flow and air to improve the water output effect. A gasket 16 is also provided between the inner tube 6 and the aerator 15. When the aerator 15 is tightened by the threads, it compresses the gasket 16 to improve the sealing between it and the inner tube 6.

[0038] like Figure 1As shown, a handle 17 is movably mounted on the top of the tee fitting 1. The handle 17 is connected to the valve core 2 lever, thereby controlling the valve core 2. A water inlet pipe 18 is provided at the bottom of the tee fitting 1. The water inlet pipe 18 passes through the tee fitting 1 and communicates with the valve core 2 through the valve core seat 3. The water inlet pipe 18 includes a hot water pipe and a cold water pipe. The bottom of the valve core seat 3 has three interfaces, including the connecting part, which are respectively connected to the water outlet pipe 4, the hot water pipe, and the cold water pipe.

[0039] The installation process of this utility model is as follows:

[0040] Water outlet throttling device (valve core seat 3, water outlet pipe 4, adapter) installation: First, assemble the water-saving piece 12 into the valve core seat 3, then screw the threaded end of the water outlet pipe 4 into the valve core seat 3, and finally insert the other end of the water outlet pipe 4 into the first connector 501 of the adapter 5 to complete the assembly of the water outlet throttling device.

[0041] Installation of inner pipe 6: First, insert the inner pipe 6 into the outlet 7 of the tee 1. Then, insert the gasket 16 and aerator 15 into the outlet 7 of the tee 1 and tighten them to fix the inner pipe 6. Next, insert the outlet throttling device from the top of the tee 1 downwards. Finally, snap the inner pipe 6 into the second connector 502 of the adapter 5 to complete the assembly of the throttling device of the inner pipe 6.

[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the design concept of the present utility model should be included within the protection scope of the present utility model.

[0043] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. An internal pipe faucet structure, comprising a tee fitting (1), wherein a valve core (2) is disposed within the tee fitting (1), characterized in that: The three-way fitting (1) is provided with a valve core seat (3), a water outlet pipe (4), an adapter (5), and an inner through pipe (6). A positioning component is provided between the valve core seat (3) and the three-way fitting (1). The valve core (2) is installed on the valve core seat (3). One end of the water outlet pipe (4) is connected to the valve core seat (3) and communicates with the valve core (2) through the valve core seat (3). The other end is connected to the adapter (5). One end of the inner through pipe (6) is communicated with the water outlet pipe (4) through the adapter (5). The other end extends to the water outlet (7) of the three-way fitting (1).

2. The internal tube faucet structure according to claim 1, characterized in that: The top of the three-way fitting (1) is provided with a receiving groove (8), the bottom of the receiving groove (8) is provided with a stepped surface (9), the valve core seat (3) is attached to the stepped surface (9), and the valve core (2) is installed in the receiving groove (8).

3. The internal tube faucet structure according to claim 2, characterized in that: The positioning component includes a plurality of positioning ribs (10) disposed on one of the inner wall of the three-way component (1) or the periphery of the valve core seat (3), and a plurality of positioning notches (11) corresponding to and cooperating with the positioning ribs (10) are provided on the other one.

4. The internal tube faucet structure according to claim 1, characterized in that: The valve core seat (3) has a connecting part protruding from the bottom, and the top of the water outlet pipe (4) is inserted into the connecting part. A throttling device is provided between the water outlet pipe (4) and the connecting part.

5. The internal tube faucet structure according to claim 1, characterized in that: The adapter (5) includes a first connector (501) and a second connector (502). The water outlet pipe (4) is inserted into the first connector (501), and the inner tube (6) is inserted into the second connector (502). The first connector (501) and the second connector (502) are interconnected.

6. The internal tube faucet structure according to claim 5, characterized in that: The outlet pipe (4) and the inner tube (6) are both provided with snap rings (13) on the peripheral sidewalls of the end into the adapter (5). The inner walls of the first connector (501) and the second connector (502) are respectively provided with annular grooves (14) that cooperate with the snap rings (13). The snap rings (13) and / or the adapter (5) and / or the outlet pipe (4) and the inner tube (6) are elastic.

7. The internal tube faucet structure according to claim 5, characterized in that: The first connector (501) is vertically open, the second connector (502) is inclined upward, the bottom of the adapter (5) is closed, the second connector (502) protrudes from the bottom of the tee (1), the bottom of the tee (1) is connected to a threaded tube (20), and the tee (1) and the threaded tube (20) cover the adapter (5).

8. The internal tube faucet structure according to claim 1, characterized in that: The outlet (7) of the tee (1) is provided with an aerator (15), the peripheral sidewall of the aerator (15) is threadedly connected to the inner wall of the tee (1), the inner tube (6) is connected to the aerator (15), and a gasket (16) is provided between the inner tube (6) and the aerator (15).

9. The internal tube faucet structure according to claim 1, characterized in that: The top of the three-way fitting (1) is movably provided with a handle (17), which is used to control the valve core (2). The bottom of the three-way fitting (1) is provided with a water inlet pipe (18), which is inserted into the three-way fitting (1) and communicates with the valve core (2) through the valve core seat (3).

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