Multifunctional lead-free faucet

By using a valve core seat and water outlet assembly made of plastic materials, combined with a metal outer shell and rotating tube design, the problems of lead leaching and limited rotation of traditional faucets are solved, achieving lead-free water outlet and 360-degree rotation function, improving user comfort and health safety.

CN223609384UActive Publication Date: 2025-11-28QUANZHOU MUYU SANITARY WARE CO LTD
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Patent Information

Application Number
CN202520139212.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-11-28
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Traditional faucet valve core materials are prone to lead leaching, leading to excessive lead content in tap water and affecting health. At the same time, the water outlet pipe cannot rotate 360 ​​degrees, failing to meet users' needs.

Method used

The valve core seat, spout, outlet seat, and water pipe are made of plastic, combined with a metal outer shell and outlet rotating pipe. The water outlet assembly is designed to rotate 360 ​​degrees to ensure that the water flow does not come into contact with the metal and to meet the needs of multi-angle water outlet.

Benefits of technology

It achieves lead-free water dispensing, supports 360-degree rotation, and improves user comfort and health safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223609384U_ABST
Patent Text Reader

Abstract

The utility model discloses a multifunctional lead-free faucet which comprises an outer shell, a valve element seat, a valve element body, a water passing pipe, a water outlet seat, a water outlet rotating pipe, a water outlet assembly and a handle, the outer shell is provided with a shell body and an extending pipe, the extending pipe horizontally extends outwards from the top of the shell body, and a first cavity channel is formed in the extending pipe; a water inlet channel communicated with the cavity is formed in the bottom of the valve element seat, and a water outlet channel communicated with the cavity is formed in the side wall of the valve element seat; the water passing pipe is arranged in the first cavity channel, one end of the water passing pipe is communicated with the water outlet channel, and the other end of the water passing pipe is communicated with the water outlet seat; a second cavity channel is formed in the water outlet rotating pipe, and an inlet of the second cavity channel is connected to the water outlet seat and communicated with a water outlet hole of the water outlet seat; according to the utility model, the valve core seat, the water passing pipe and the water outlet assembly for independent water passing are arranged in the shell main body, so that water flow cannot be in contact with metal, and lead metal cannot be contained in the water flow.
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Description

TECHNICAL FIELD

[0001] The utility model relates to faucet technical field, concretely relates to a multifunctional leadless faucet. BACKGROUND

[0002] The conventional faucet usually includes a body, a handle, a valve seat, a valve core and a water outlet pipe, the handle is rotatably arranged on the body, the valve seat is integrally formed with the body, the valve seat and the body are made of brass, the valve core is located in the body and fixed on the valve seat, and the water outlet pipe is arranged on the side of the body for water outlet.

[0003] The valve seat and the body are usually made of brass or copper alloy, when in use, water enters the valve core through the valve seat and finally flows out from the water outlet pipe, when the water passes through the valve seat, lead on the surface of the valve seat is continuously precipitated into the water, which increases the lead content in the water, causes secondary pollution to the tap water, and even leads to excessive lead content in the tap water, long-term drinking of the water will harm human health, thereby affecting use. SUMMARY

[0004] In order to overcome the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a multifunctional leadless faucet, which does not contain lead in water and has a 360-degree rotation function of the water outlet pipe.

[0005] The utility model realizes the following technical scheme: a multifunctional leadless faucet includes an outer shell, a shell main body and an extension pipe, the extension pipe extends horizontally outward from the top of the shell main body, a first cavity is formed in the extension pipe;

[0006] A valve seat with a cavity having a top opening is contained in the shell main body from top to bottom, the bottom of the valve seat is provided with a water inlet channel communicated with the cavity, the side wall of the valve seat is provided with a water outlet channel communicated with the cavity, and the water outlet channel faces the inlet of the first cavity;

[0007] A valve core body is built in the cavity, a sealing device is arranged between the peripheral wall of the valve core body and the inner wall of the cavity, the sealing device is close to the top opening of the cavity, the water inlet of the valve core body is connected with the water inlet channel of the valve seat, and a water outlet cavity communicated with the water outlet of the valve core body is formed between the valve seat and the valve core body;

[0008] A water passing pipe is built in the first cavity, one end of the water passing pipe is communicated with the water outlet channel, and the other end of the water passing pipe is communicated with a water outlet seat, the water outlet seat is arranged at the outlet of the first cavity, and the water outlet seat is provided with a water inlet hole and a water outlet hole;

[0009] The water outlet rotary pipe is internally provided with a second cavity, the inlet of the second cavity is connected to the water outlet seat and communicates with the water outlet hole of the water outlet seat, and the outlet of the second cavity is provided with a bubbler;

[0010] The water outlet assembly is internally provided in the second cavity, one end of the water outlet assembly communicates with the water outlet hole of the water outlet seat, and the other end of the water outlet assembly communicates with the bubbler.

[0011] The handle is arranged above the valve core body and is used for controlling the action of the valve rod of the valve core body.

[0012] Preferably, the water outlet assembly comprises a water outlet inner pipe with a water inlet end and a water outlet end and a water outlet nozzle, the water inlet end of the water outlet inner pipe is rotatably connected in the water outlet hole of the water outlet seat, the lower end of the water outlet nozzle is provided with an opening corresponding to the bubbler, and the side wall of the water outlet nozzle is provided with a water inlet hole communicating with the water outlet hole of the water outlet inner pipe.

[0013] Preferably, the water outlet seat comprises a main body part, one end of the main body part is provided with a water inlet part in the first cavity, and the other end of the main body part is provided with a water outlet part for rotating the water outlet rotary pipe, and the water outlet part is located in the second cavity.

[0014] Preferably, the water outlet seat is provided with an opening groove formed with an abutting part on both sides of the main body part, screw holes communicating with the opening groove are arranged between the abutting part and the main body part, so that the abutting part expands outward to abut against the inner wall of the extending pipe, and the hole diameter of the screw hole gradually decreases from the inlet end to the outlet end.

[0015] Preferably, the main body part, the water inlet part and the water outlet part are in an integrated structure.

[0016] Preferably, the shell main body is internally provided with a positioning table for fixing the valve core seat, the positioning table is arranged in protrusion to the inner wall of the shell main body, and the valve core seat and the positioning table are fixed by screwing.

[0017] Preferably, the water inlet channel comprises a cold water inlet channel and a hot water inlet channel.

[0018] Preferably, the upper end of the valve core body is provided with a gland, the gland has external threads and can be threadedly connected to the shell main body from top to bottom, and the lower end surface of the gland can abut against the valve core body to limit the upward movement of the valve core body.

[0019] Preferably, the upper end of the gland is further provided with a decorative cover, the decorative cover is threadedly connected to the gland from top to bottom, and the valve rod end part of the valve core body is exposed on the upper end of the decorative cover.

[0020] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0021] 1. The utility model discloses a valve core seat, water pipe and water outlet assembly are arranged in the shell main body independently, when the shell main body and water outlet rotary pipe adopt metal material to make, thereby can make water flow not contact metal, make water flow not contain lead metal.

[0022] 2. The utility model discloses water outlet assembly and water outlet seat rotatable connection, make water outlet rotary pipe rotatable and rotate the water outlet position of water outlet seat adjustment, use more convenient comfortable, thereby can satisfy the demand of mouth washing or washing face. BRIEF DESCRIPTION OF DRAWINGS

[0023] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0024] Figure 1 It is the sectional view of the utility model;

[0025] Figure 2 It is the three-dimensional structure schematic view of the utility model;

[0026] Figure 3 It is the explosion drawing of the utility model;

[0027] Figure 4 It is the plan view of the valve core seat of the utility model;

[0028] Figure 5 It is the three-dimensional structure schematic view of the valve core seat of the utility model;

[0029] Figure 6 It is the three-dimensional structure schematic view of the water outlet seat of the utility model;

[0030] Figure 7 It is the three-dimensional structure schematic view of the water outlet nozzle of the utility model;

[0031] Figure 8 It is the three-dimensional structure schematic view of the valve core body of the utility model;

[0032] The reference signs involved in the above-mentioned drawings are explained as follows:

[0033] 1 - shell, 10 - shell main body, 11 - extension pipe, 12 - first cavity, 13 - positioning table, 14 - screw;

[0034] 2 - valve core seat, 20 - cavity, 21 - water inlet channel, 22 - water outlet channel, 210 - cold water inlet channel, 211 - hot water inlet channel;

[0035] 3 - valve core body, 3a - cold water inlet, 3b - hot water inlet, 3c - positioning column, 30 - water outlet cavity, 31 - gland, 32 - decorative cover, 33 - valve rod.

[0036] 4 - sealing device;

[0037] 5 - water pipe;

[0038] 6 - water outlet seat, 6a - water inlet hole, 6b - water outlet hole, 60 - main body part, 61 - water inlet part, 62 - water outlet part, 63 - abutting part, 64 - opening groove, 65 - screw hole, 66 - screw;

[0039] 7 - water outlet rotating pipe, 70 - second cavity, 71 - bubbler;

[0040] 8 - water outlet assembly, 80 - water outlet inner pipe, 81 - water outlet nozzle, 801 - water inlet end, 802 - water outlet end, 810 - opening, 811 - water inlet hole;

[0041] 9 - handle. DETAILED DESCRIPTION

[0042] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0043] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0044] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] Reference Figures 1 to 8As shown, the multifunctional lead-free faucet comprises a housing 1, a valve core seat 2, a valve core body 3, a sealing device 4, a water passing pipe 5, a water outlet seat 6, a water outlet rotating pipe 7, a water outlet assembly 8 and a handle 9.

[0046] The housing comprises a housing body 10 and an extending pipe 11 extending horizontally outward from the top of the housing body 10, a first cavity 12 is formed in the extending pipe 11, and the housing body 10 is provided with a receiving cavity 100 at the top thereof, and the valve core seat 2 can be received in the receiving cavity 100 of the housing body 10.

[0047] In order to fix the valve core seat 2 in the receiving cavity 100 of the housing body 10, a positioning table 13 for fixing the valve core seat 2 is arranged in the housing body 10, the positioning table 13 is arranged protrudingly to the inner wall of the housing body 10, and the valve core seat 2 is fixed to the positioning table 13 by a fastener 14.

[0048] The valve core seat 2 is provided with a cavity 20 with an open top, the valve core seat 2 is received in the housing body 10 from top to bottom, the bottom of the valve core seat 2 is provided with a water inlet passage 21 communicating with the cavity 20, and the side wall of the valve core seat 2 is provided with a water outlet passage 22 communicating with the cavity 20, the water outlet passage 22 is directed to the inlet of the first cavity 12. In this embodiment, the water inlet passage 21 comprises a cold water inlet passage 210 and a hot water inlet passage 211, so that the faucet has a cold water function.

[0049] The valve core body 3 is arranged in the cavity 20, and the sealing device 4 is arranged between the outer peripheral wall of the valve core body 3 and the inner wall of the cavity 20, the sealing device 4 is close to the open top of the cavity 20, and the sealing device 4 can seal the gap between the outer peripheral wall of the valve core body 3 and the inner wall of the cavity 20 of the valve core seat 2 to prevent water from overflowing. In this embodiment, the sealing device 4 adopts an O-shaped sealing ring, the O-shaped sealing ring is fixed between the outer peripheral wall of the valve core body 3 and the inner wall of the cavity 20, and the outer peripheral wall of the valve core body 3 is provided with a sealing ring fixing groove in the circumferential direction for fixing the O-shaped sealing ring.

[0050] The bottom of the valve core body 3 is provided with a cold water inlet 3a and a hot water inlet 3b, the cold water inlet 3a and the hot water inlet 3b are respectively communicated with the cold water inlet passage 210 and the hot water inlet passage 211 of the valve core seat 2, a water outlet cavity 30 communicated with the water outlet of the valve core body 3 is formed between the valve core seat 2 and the valve core body 3, and the bottom of the valve core body 3 is further provided with a positioning column 3c, and the bottom of the valve core seat 2 is provided with a positioning groove 2a for fixing the positioning column 3c, so that when the handle controls the valve rod, the valve core body 3 can be firmly installed.

[0051] The water passing pipe 5 is arranged in the first cavity 12, one end of the water passing pipe 5 is communicated with the water outlet channel 22, and the other end is communicated with the water outlet base 6. That is to say, one end of the water passing pipe 5 is sealingly connected with the water outlet channel 22, and the other end of the water passing pipe 5 is sealingly connected with the water inlet end of the water outlet base 6. The water outlet base 6 is arranged at the outlet of the first cavity 12, and the water outlet base 6 has a water inlet hole 6a and a water outlet hole 6b.

[0052] The second cavity 70 is arranged in the water outlet rotating pipe 7, the inlet of the second cavity 70 is connected with the water outlet base 6 and communicated with the water outlet hole 6b of the water outlet base, and the outlet of the second cavity 70 is provided with a bubbler 71 which is detachably connected with the water outlet rotating pipe 7. In this embodiment, the bubbler 71 is connected with the water outlet rotating pipe 7 through a threaded interface, so as to facilitate installation.

[0053] The water outlet assembly 8 is arranged in the second cavity 70, one end of the water outlet assembly 8 is communicated with the water outlet hole 6b of the water outlet base, and the other end is communicated with the bubbler 71.

[0054] Specifically, the water outlet assembly 8 comprises a water outlet inner pipe 80 having a water inlet end 801 and a water outlet end 802, and a water outlet nozzle 81. The water inlet end of the water outlet inner pipe 80 is rotatably connected in the water outlet hole 6b of the water outlet base 6. The lower end of the water outlet nozzle 81 has an opening 810 corresponding to the bubbler 71, and the side wall of the water outlet nozzle 81 is provided with a water inlet hole 811 communicated with the water outlet hole of the water outlet inner pipe 80. The water outlet base 6 comprises a main body 60, one end of the main body 60 is provided with a water inlet part 61 located in the first cavity 12, and the other end of the main body 60 is provided with a water outlet part 62 for rotating the water outlet rotating pipe 7, and the water outlet part 62 is located in the second cavity 70.

[0055] In order to adjust the water outlet direction of the water outlet rotating pipe 7, in this embodiment, the water inlet end of the water outlet inner pipe 80 is rotatably connected in the water outlet hole 6b of the water outlet base 6 and is fixed by a sealing ring, so as to achieve water tightness between the water outlet inner pipe 80 and the water outlet base 6. The water outlet rotating pipe 7 can rotate relative to the water outlet part of the water outlet base to adjust the water outlet position. Of course, in order to meet the requirement that the water outlet direction of the water outlet rotating pipe 7 can be upward, so as to meet the requirement of mouth washing and face washing, the water outlet inner pipe 80 can rotate 306 degrees relative to the water outlet base 6.

[0056] In order to make the water outlet seat 6 can be fastened in the extension pipe 11, the water outlet seat 6 both sides are provided with the opening groove 64 formed with the main part 60 and the abutting part 63, the abutting part 63 and the main part 60 are provided with the screw hole 65 communicated with the opening groove 64, the abutting part 63 is expanded to the outside by the screw 66 through the screw hole 65, so that the abutting part 63 expands to the inside wall of the extension pipe 11, the hole diameter of the screw hole 65 gradually decreases from the inlet end to the outlet end. When installing, the screw 66 is screwed into the inlet end of the screw hole 65 first, so that the abutting part 63 is gradually expanded to the outside, so that the water outlet seat can be firmly installed in the extension pipe 1.

[0057] In order to improve the overall structural strength of the water outlet seat 6, the main part 60 and the water inlet part 61 and the water outlet part 62 are integrated, such as PPA material integrated injection molding.

[0058] It should be noted that the valve core body 3 is provided with a gland 31, the gland 31 has an external thread and can be screwed from top to bottom on the shell body 10, the lower end surface of the gland 31 can abut against the valve core body 3 to limit the upward movement of the valve core body 3, the upper end of the gland 31 is further provided with a decorative cover 32, the decorative cover 32 is screwed from top to bottom on the gland 31, the valve core body 3 has a valve stem 33 exposed on the upper end of the decorative cover 32, and the handle 9 is installed on the end of the valve stem 33 and fixed on the end of the valve stem 33 by a screw, the handle 5 can be used to control the water outlet of the valve core body 3, and the handle 9 is provided with a mounting hole for facilitating the installation of a screw 51 at a position corresponding to the screw, and a plastic drop is installed in the mounting hole to cover the screw 51.

[0059] In order to solve the problem that there is no metal contact in the water flow, in order to solve the problem that the water flow contains lead metal, in the embodiment, preferably, the valve core seat 2, the water outlet nozzle 7, the water outlet seat 9, the water outlet inner pipe 80 and the water pipe 5 are made of plastic material, such as PPA material, and the shell 1 and the water outlet rotating pipe 7 are made of metal material. Of course, in order to make the water outlet inner pipe 80 relatively stable rotation relative to the water outlet seat, the water outlet inner pipe 80 and the water pipe 5 are preferably made of stainless steel material.

[0060] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A multi-functional lead-free faucet, characterized in that: Includes an outer shell (1), having a shell body (10) and an extension tube (11), the extension tube (11) extending horizontally outward from the top of the shell body (10), and a first cavity (12) is provided inside the extension tube (11). A valve core seat (2) with a cavity (20) with a top opening is housed in the shell body (10) from top to bottom. The bottom of the valve core seat (2) is provided with a water inlet channel (21) communicating with the cavity (20), and the side wall of the valve core seat (2) is provided with a water outlet channel (22) communicating with the cavity (20). The water outlet channel (22) faces the inlet of the first cavity (12). The valve core body (3) is built into the cavity (20). A sealing device (4) is provided between the outer peripheral wall of the valve core body (3) and the inner wall of the cavity (20). The sealing device (4) is close to the top opening of the cavity (20). The water inlet of the valve core body (3) is connected to the water inlet channel (21) of the valve core seat (2). A water outlet cavity (30) is formed between the valve core seat (2) and the valve core body (3) and is connected to the water outlet of the valve core body (3). A water pipe (5) is built into the first cavity (12), one end of which is connected to the water outlet channel (22) and the other end is connected to the water outlet seat (6). The water outlet seat (6) is located at the outlet of the first cavity (12) and has a water inlet hole (6a) and a water outlet hole (6b). The water outlet rotating pipe (7) has a second cavity (70) inside. The inlet of the second cavity (70) is connected to the water outlet seat (6) and communicates with the water outlet hole (6b) of the water outlet seat. The outlet of the second cavity (70) is provided with an aerator (71). The water outlet assembly (8) is built into the second cavity (70), with one end connected to the water outlet hole (6b) of the water outlet seat and the other end connected to the aerator (71). The handle (9) is located above the valve core body (3) and is used to control the valve stem movement of the valve core body (3).

2. The multifunctional lead-free faucet according to claim 1, characterized in that: The water outlet assembly (8) includes an inner water outlet tube (80) with an inlet end (801) and an outlet end (802) and a water outlet nozzle (81). The inlet end of the inner water outlet tube (80) is rotatably connected to the outlet hole (6b) of the water outlet seat (6). The lower end of the water outlet nozzle (81) has an opening (810) corresponding to and communicating with the aerator (71), and its side wall is provided with an inlet hole (811) communicating with the outlet of the inner water outlet tube (80).

3. The multifunctional lead-free faucet according to claim 1 or 2, characterized in that: The water outlet seat (6) includes a main body (60), one end of which is provided with a water inlet (61) located in the first cavity (12), and the other end is provided with a water outlet (62) for the water outlet rotating pipe (7) to rotate. The water outlet (62) is located in the second cavity (70).

4. The multifunctional lead-free faucet according to claim 3, characterized in that: Both sides of the water outlet seat (6) are provided with an opening groove (64) that forms a top (63) on the main body. A screw hole (65) communicating with the opening groove (64) is provided between the top (63) and the main body (60) so that the top (63) expands outward to abut against the inner wall of the protruding pipe (11). The diameter of the screw hole (65) gradually decreases from the inlet end to the outlet end.

5. The multifunctional lead-free faucet according to claim 4, characterized in that: The main body (60) is an integral structure with the water inlet (61) and the water outlet (62).

6. The multifunctional lead-free faucet according to claim 1, characterized in that: The shell body (10) is provided with a positioning platform (13) for fixing the valve core seat (2). The positioning platform (13) protrudes into the inner wall of the shell body (10). The valve core seat (2) and the positioning platform (13) are fixed together by fasteners (14).

7. The multifunctional lead-free faucet according to claim 1, characterized in that: The water inlet channel (21) includes a cold water inlet channel (210) and a hot water inlet channel (211).

8. The multifunctional lead-free faucet according to claim 1, characterized in that: The valve core body (3) is provided with a pressure cap (31) at the upper end. The pressure cap (31) has an external thread and can be threaded to the shell body (10) from top to bottom. The lower end face of the pressure cap (31) can abut against the valve core body (3) to limit the valve core body (3) from moving upward.

9. The multifunctional lead-free faucet according to claim 8, characterized in that: The upper end of the pressure cap (31) is also provided with a decorative cover (32), which is threaded to the pressure cap (31) from top to bottom. The end of the valve stem (33) of the valve core body (3) is exposed at the upper end of the decorative cover (32).