Faucet assembly structure

Abstract

The utility model discloses a faucet assembly structure which comprises a main valve body, a ceramic valve element is fixedly installed in the main valve body, a mixed water cavity is formed in a gap between the main valve body and the ceramic valve element, a valve seat water outlet hole is formed in the position, at the mixed water cavity, of the main valve body, and a water outlet of the ceramic valve element is communicated with the mixed water cavity. A valve core rotating shaft of the ceramic valve core upwards extends out of the main valve body; the water inlet pipe is detachably connected with the main valve body, and a water outlet of the water inlet pipe communicates with a water inlet of the ceramic valve element; one end of the water outlet pipe is sleeved with the valve seat water outlet hole in a matched mode, and the water outlet pipe communicates with the mixed water cavity; the main valve body, the water outlet pipe and the water inlet pipe are fixed in the faucet shell, the structure is convenient to assemble and overhaul, parts are rapidly replaced, the production cost is low, and the leakage condition is not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model relates to bathroom article technical field, concretely relates to a faucet assembly structure. BACKGROUND

[0002] The bathing faucet is the necessity of family life, and the modern faucet structure mainly develops around the valve core control, cold and hot water mixing and sealing design, the traditional faucet can be divided into spiral type, wrench type, compression type, spherical valve core type and the like, with the technical progress, the ceramic valve core gradually popularizes, and its wear resistance is superior to the traditional metal valve core, but the existing faucet still has some defects:

[0003] In the prior art, the cooperation of the mixed water cavity and the valve core depends on a single sealing ring, but water pressure fluctuation and long-term frequent switching can easily cause deformation and failure of the sealing ring, leading to water leakage of the faucet, although the ceramic valve core has wear resistance advantages, but in the conventional faucet design, the assembly of the valve body depends on a single fixing of the compression nut, lacks a buffer structure, and is easy to cause sealing failure due to thermal expansion and cold contraction, these defects not only increase the maintenance cost but also cause waste of water resources, and the traditional faucet structure also lacks a quick disassembly design, and the disassembly is relatively cumbersome during maintenance, in addition, in the existing faucet structure design on the market, due to the limitation of factors such as the shape of the valve body, the water outlet position of the valve body, the connection form of the valve core shaft and the handle, the distance between the handle and the water outlet pipe is large, which not only limits the installation space of the faucet, but also restricts the appearance design of the faucet.

[0004] Therefore, it is necessary to provide a novel faucet assembly structure, which is simple in structure, low in cost, small in installation space requirement, easy to assemble and disassemble and has good water tightness. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a faucet assembly structure, which is simple and reliable in structure, further reduces the production difficulty compared with the conventional faucet, has small installation space requirement, is easy to quickly disassemble and install and has good water tightness.

[0006] In order to realize the purposes and other advantages of the utility model, a faucet assembly structure is provided, which comprises: a main valve body, a ceramic valve core is fixedly installed in the main valve body, a mixed water cavity is formed between the main valve body and the ceramic valve core, a valve seat water outlet hole is formed in the main valve body at the mixed water cavity, a water outlet of the ceramic valve core communicates with the mixed water cavity, and a valve core shaft of the ceramic valve core extends upward out of the main valve body; a water inlet pipe is detachably connected with the main valve body, a water outlet of the water inlet pipe communicates with a water inlet of the ceramic valve core; a water outlet pipe is water-tightly sleeved in the valve seat water outlet hole at one end, and the water outlet pipe communicates with the mixed water cavity; a faucet shell is internally fixed with the main valve body, the water outlet pipe and the water inlet pipe.

[0007] Preferably, the valve seat water outlet hole is arranged on the side of the main valve body, and the valve core rotating shaft is matched with a handle.

[0008] Preferably, the main valve body and the water outlet pipe are made of water-touchable plastic.

[0009] Preferably, the main valve body comprises an open upper valve base, the inner wall of the valve base is provided with a ring-shaped support, the ring-shaped support supports a ring-shaped bushing, the bushing is arranged between the valve base inner wall and the ceramic valve core and is in close contact with the two, the valve base is detachably connected with a compression nut, the bottom surface of the compression nut is matched with the ceramic valve core, and the valve core rotating shaft extends out of the compression nut.

[0010] Preferably, the outer periphery of the bushing is provided with a first sealing ring, and the outer periphery of the ceramic valve core is provided with a second sealing ring.

[0011] Preferably, the water inlet pipe is a parallel double pipe, the valve base is provided with a pipe insertion section matched with the shape of the water inlet pipe, the water inlet pipe is sleeved on the pipe insertion section, the two pipe bodies of the water inlet pipe are each provided with a fixed groove in a flush manner, the pipe insertion section is provided with a bolt opening corresponding to the fixed groove, and a bolt piece is matched and inserted between the bolt opening and the fixed groove.

[0012] Preferably, the valve base forms a boss outward at the valve seat water outlet hole, and the water outlet pipe is provided with a fixed ring, wherein, when the water outlet pipe is sleeved on the valve seat water outlet hole, the fixed ring is matched and abuts against the surface of the boss.

[0013] Preferably, a bubbler is matched and installed in the water outlet port of the water outlet pipe.

[0014] Preferably, a flow limiting gasket is matched and sleeved in the water outlet pipe, and the flow limiting gasket is a cylinder structure with a sealed outer wall.

[0015] Preferably, the outer diameter of the flow limiting gasket is larger than the inner diameter of the water outlet pipe, the outer wall of the flow limiting gasket is provided with a plurality of ribs in the axial direction, the water inlet port of the water outlet pipe is expanded to form an expansion section, and the flow limiting gasket is matched and sleeved in the expansion section.

[0016] The utility model at least has following beneficial effects:

[0017] Firstly, compared with the conventional faucet structure, the utility model has the technical advantages of simple and reliable structure, low production difficulty of each component, convenient disassembly and assembly, convenient device assembly and maintenance, and quick replacement of parts.

[0018] Second, the utility model discloses a technical scheme, the spacing of water outlet pipe and handle is smaller than the conventional faucet structure on the market, and the whole structure is more compact, and besides being suitable for being installed on the table with limited operation space, the structure can also provide more modeling design space for handle and faucet shell.

[0019] Third, the mixed water cavity in the utility model is used as a buffer area, can absorb water flow pressure mutation, and the ceramic valve core only bears flow regulating function, through the stepped fixing structure of ring type support, bushing and compression nut, the sealing interface is only subjected to static pressure, and the sealing failure and water leakage are not easy to appear.

[0020] Fourth, the main valve body, water outlet pipe and related components in the utility model adopt touchable water plastic, and each component can be formed by one injection molding, and is suitable for mass production.

[0021] Other advantages, objects and features of the utility model will be embodied partly through the following description, and some will be understood by the person skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the device overall schematic view of a technical scheme of the utility model;

[0023] Figure 2 It is the device internal structure schematic view of a technical scheme of the utility model;

[0024] Figure 3 It is the device explosion drawing of a technical scheme of the utility model;

[0025] Figure 4 It is the device side sectional view of a technical scheme of the utility model;

[0026] Figure 5 It is the main valve body side sectional view of a technical scheme of the utility model;

[0027] Figure 6 It is the node A enlarged view of a technical scheme of the utility model;

[0028] Figure 7 It is the water inlet pipe installation schematic view of a technical scheme of the utility model;

[0029] Figure 8 It is the water outlet pipe schematic view of a technical scheme of the utility model;

[0030] Figure 9 It is the flow limiting gasket schematic view of a technical scheme of the utility model.

[0031] BRIEF DESCRIPTION OF DRAWINGS: 1- faucet housing, 11- handle, 12- decorative cover, 13- panel fixing piece, 131- fastening assembly, 2- water inlet pipe, 20- fixing groove, 3- main valve body, 30- mixed water cavity, 300- valve seat water outlet, 31- valve body base, 311- insertion pipe section, 310- insertion pin opening, 32- compression nut, 33- bushing, 34- first sealing ring, 4- ceramic valve core, 41- valve core rotating shaft, 42- second sealing ring, 5- water outlet pipe, 50- fixing ring, 500- diameter expansion section, 51- water outlet head, 52- third sealing ring, 53- flow limiting gasket, 531- rib, 6- bubbler, 7- insertion pin piece. DETAILED DESCRIPTION

[0032] The utility model will be made further detailed description in combination with the drawings, to enable the person skilled in the art to implement according to the description text.

[0033] It should be understood that the terms such as "have", "contain" and "include" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0034] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the components described are commercially available unless otherwise specified. In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The orientation or positional relationship indicated by the terms "transverse", "longitudinal", "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, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0035] As Figures 1-9As shown, the technical scheme of the present application provides a faucet assembly structure, which comprises: a main valve body 3, a ceramic valve core 4 is fixedly installed in the main valve body 3, a gap between the main valve body 3 and the ceramic valve core 4 forms a mixed water cavity 30, the main valve body 3 is provided with a valve seat water outlet hole 300 at the mixed water cavity 30, a water outlet of the ceramic valve core 4 communicates with the mixed water cavity 30, and a valve core rotating shaft 41 of the ceramic valve core 4 extends upwardly out of the main valve body 3; a water inlet pipe 2 is detachably connected with the main valve body 3, and a water outlet of the water inlet pipe 2 communicates with a water inlet of the ceramic valve core 4; a water outlet pipe 5 is water-tightly sleeved at one end in the valve seat water outlet hole 300, and the water outlet pipe 5 communicates with the mixed water cavity 30; and a faucet housing 1 internally fixes the main valve body 3, the water outlet pipe 5 and the water inlet pipe 2. In the technical scheme, the water inlet pipe 2 is in the form of a hose, which is connected with external water supply pipes, the ceramic valve core 4 is a finished product component available in the market, the ceramic valve core 4 comprises two or more high-precision ceramic discs, water holes are arranged on the discs, when the valve core rotating shaft 41 is moved and rotated, the distance between the adjacent ceramic discs changes and the adjacent ceramic discs relatively rotate, so as to adjust the water flow entering the mixed water cavity 30, the upper part of the ceramic valve core 4 is water-tightly connected with the top of the main valve body 3, the valve core rotating shaft 41 extends out of a reserved opening of the main valve body 3 and is connected with other structures, and optionally, the ceramic valve core 4 can be a valve core with temperature adjusting function provided with cold water inlets and hot water inlets, the opening degrees of the inlets are adjusted by rotating the valve core rotating shaft 41, and the cold water and hot water mixing ratio and water flow are controlled, such as Figures 2-9 As shown, the water inlet pipe 2 is in the form of a double pipe, one end of the double pipe is respectively connected with external cold water pipes and hot water pipes, the other end of the double pipe is inserted into the main valve body 3, and the cold water pipes and the hot water pipes are respectively connected with cold water inlets and hot water inlets of the ceramic valve core 4, the main valve body 3 and the water outlet pipe 5 are made of touchable water plastic which meets the specification requirements, and the main valve body 3 and the water outlet pipe 5 can be better mass-produced and cost-controlled, the water inlet pipe 2 is made of low-lead water inlet hose, and the interface of the water inlet pipe 2 is made of copper core or food-grade stainless steel, the lead content in the metal meets relevant safety standards, the water outlet pipe 5 is matched and inserted into the valve seat water outlet hole 300, and a plurality of rubber sealing rings are arranged between the water outlet pipe 5 and the valve seat water outlet hole 300 to prevent leakage.

[0036] In the technical scheme, as Figure 1As shown, the faucet shell 1 is used to cover and fix the main valve body 3, the water outlet pipe 5 and the water inlet pipe 2, the mounting seat part of the faucet shell 1 is a cylindrical structure, the bottom edge thereof is provided with a ring-shaped panel fixing part 13, and an inner cylinder is further matched and arranged inside the mounting seat part of the faucet shell 1, the bottom of the inner cylinder is provided with a ring-shaped fastening assembly 131, before installing the faucet structure, installation holes and fixing holes are left on the countertop according to the size of the mounting seat of the faucet shell 1, the structure is placed on the installation hole, the connecting hole in the panel fixing part 13 is aligned with the fixing hole of the countertop, then the inner cylinder is sleeved into the faucet shell 1 from below, the panel fixing part 13 is aligned with the fastening assembly 131, the connection between the panel fixing part 13 and the fastening assembly 131 is completed by the way that the bolt passes through the fixing hole, so that the device is stably installed on the countertop, and the installation can be completed by waterproof glue at the joint position of the faucet shell 1 and the countertop.

[0037] In the technical solution, the valve core rotating shaft 41 can be connected with a matching faucet handle, the distance between the faucet handle and the main valve body 3 is relatively short compared with a conventional faucet, and more design space can be provided in terms of modeling, the device has simple structure and low production cost, and assembly, disassembly and subsequent maintenance operations are improved compared with the conventional faucet.

[0038] In another technical solution, the valve seat water outlet hole 300 is arranged on the side of the main valve body 3, and the valve core rotating shaft 41 is matched with the handle 11, as shown in Figure 1 Figure 4 In the technical solution, since the valve seat water outlet hole 300 is located on the side of the main valve body 3, the extension direction of the water outlet pipe 5 inserted therein is parallel to the handle 11, the distance between the handle 11 and the water outlet pipe 5 is reduced to about one half of the conventional design by adopting a compact layout, which is especially suitable for narrow countertops or embedded installation scenes, avoids the problem that the handle collides with the upper obstacle and cannot be fully opened due to insufficient space, and the design space of the handle 11, the faucet shell 1 and the like is larger after the distance is reduced.

[0039] In another technical solution, the main valve body 3 and the water outlet pipe 5 are made of touchable water plastic, specifically, the main valve body 3 and the water outlet pipe 5 are made of touchable water plastic by one-time injection molding, the process is simple, the cost is low, and the touchable water plastic has good anti-deformation ability, and the injection molding materials include but are not limited to modified polypropylene, hard polyvinyl chloride, high-temperature-resistant polyethylene and the like.

[0040] ​In another technical solution, the main valve body 3 comprises an upper open valve body base 31, the inner wall of the valve body base 31 is provided with a ring-shaped support 312, the ring-shaped support 312 supports a ring-shaped bushing 33, the bushing 33 is arranged between the inner wall of the valve body base 31 and the ceramic valve core 4 and is in close contact with both, the valve body base 31 is detachably connected with a compression nut 32, the bottom surface of the compression nut 32 is matched and in close contact with the ceramic valve core 4, the valve core rotating shaft 41 extends out of the compression nut 32, in this technical solution, the ring-shaped support 312 is arranged above the valve seat water outlet hole 300, the enclosed area between the bushing 33, the valve body base 31 and the ceramic valve core 4 is the mixed water cavity 30, the compression nut 32 can be axially locked by matching the inner threads with the outer wall of the valve body base 31, the bottom end surface of the compression nut 32 is a flat sealing plane, which forms a seal with the top end surface of the ceramic valve core 4 and the top surface of the bushing 33, the ceramic valve core 4 is bidirectionally constrained by the bushing 33 and the compression nut 32 and is accurately positioned, optionally, the bushing 33 can be made of low-lead copper material that can contact water, or can be made of water-contacting plastic material that is the same as the main valve body 3, or can be made of rubber material with deformability.

[0041] In another technical solution, the outer periphery of the bushing 33 is provided with a first sealing ring 34, and the outer periphery of the ceramic valve core 4 is provided with a second sealing ring 42, wherein the first sealing ring 34 is extruded by the bushing 33 and the valve body base 31 to form a static seal, the second sealing ring 42 is extruded by the bushing 33 and the ceramic valve core 4 to form a seal, and the first sealing ring 34 and the second sealing ring 42 can be made of rubber material.

[0042] In another technical solution, the valve body base 31 forms a boss at the valve seat water outlet hole 300, the water outlet pipe 5 is provided with a fixing ring 50, wherein when the water outlet pipe 5 is sleeved on the valve seat water outlet hole 300, the fixing ring 50 is matched and abuts against the surface of the boss, specifically, the boss axially abuts against the fixing ring 50 of the water outlet pipe 5, the pipe segment of the water outlet pipe 5 that is matched and sleeved in the valve seat water outlet hole 300 is provided with a plurality of third sealing rings 52, the third sealing rings 52 block the gap between the valve seat water outlet hole 300 and the water outlet pipe 5 to prevent leakage at the root of the water outlet pipe 5.

[0043] In another technical solution, a bubbler 6 is also matched and installed in the water outlet port of the water outlet pipe 5, wherein the water outlet end of the water outlet pipe 5 is shaped into a water outlet head 51 according to the shape and size of the bubbler 6, the bubbler 6 is fixed in the water outlet head 51 through threaded connection or buckle structure, the inside of the bubbler 6 is provided with a honeycomb-shaped flow guide net and multiple-stage throttling holes, and the effect of softening water flow and reducing water flow splashing is achieved through air-water mixing.

[0044] In another technical solution, the water outlet pipe 5 is matched with a flow limiting gasket 53 in the pipe, the flow limiting gasket 53 is a cylinder structure with a sealed outer wall and the water outlet pipe 5, wherein the flow limiting gasket 53 is made of water-touchable plastic, the outer wall of the flow limiting gasket 53 is water-tight with the inner wall of the water outlet pipe 5, the flow limiting gasket 53 controls the water flow by the size of the inner diameter, in use, the flow limiting gasket 53 with different inner diameters can be replaced to adjust the water flow of the faucet, optionally, the flow limiting gasket 53 can also be made of low-lead metal material.

[0045] In another technical solution, the outer diameter of the flow limiting gasket 53 is larger than the inner diameter of the water outlet pipe 5, the outer wall of the flow limiting gasket 53 is provided with a plurality of ribs 531 along the axial direction, the water inlet port of the water outlet pipe 5 is expanded to form an expanded section 500, the flow limiting gasket 53 is matched and sleeved in the expanded section 500, in this technical solution, the flow limiting gasket 53 is in contact with the end face of the expanded section 500, and the ribs 531 on the flow limiting gasket 53 are arranged in the corresponding grooves of the expanded section 500 to prevent the flow limiting gasket 53 from rotating.

[0046] The number of devices and the scale of processing described herein are used to simplify the description of the present application. The application, modification and change of the present application are obvious to those skilled in the art.

[0047] Although the embodiments of the present application have been disclosed as above, it is not limited to the application and the embodiments listed in the specification, it can be fully applied to various fields suitable for the present application, and other modifications can be easily realized by those skilled in the art, therefore, the present application is not limited to specific details and the figures shown and described herein, without departing from the general concept defined by the claims and the equivalent scope.

Claims

1. A faucet assembly structure characterized by, include: The main valve body (3) has a ceramic valve core (4) fixedly installed inside it. The gap between the main valve body (3) and the ceramic valve core (4) forms a mixing water chamber (30). The main valve body (3) has a valve seat outlet hole (300) at the mixing water chamber (30). The outlet of the ceramic valve core (4) is connected to the mixing water chamber (30). The valve core shaft (41) of the ceramic valve core (4) extends upward out of the main valve body (3). The water inlet pipe (2) is detachably connected to the main valve body (3), and the outlet of the water inlet pipe (2) is connected to the inlet of the ceramic valve core (4); The water outlet pipe (5) has one end watertightly fitted inside the water outlet hole (300) of the valve seat, and the water outlet pipe (5) is connected to the mixing water chamber (30); The faucet housing (1) has the main valve body (3), the outlet pipe (5) and the inlet pipe (2) fixed inside.

2. The faucet assembly structure according to claim 1, wherein The valve seat outlet hole (300) is located on the side of the main valve body (3), and the valve core shaft (41) is matched with a handle (11).

3. The faucet assembly structure according to claim 1, wherein The main valve body (3) and the water outlet pipe (5) are made of water-contact plastic.

4. The faucet assembly structure according to claim 1, wherein The main valve body (3) includes an open valve body base (31) at the top. An annular support (312) protrudes from the inner wall of the valve body base (31). An annular bushing (33) is supported on the annular support (312). The bushing (33) is located between the inner wall of the valve body base (31) and the ceramic valve core (4) and is in close contact with both. A clamping nut (32) is detachably connected to the valve body base (31). The bottom surface of the clamping nut (32) is in contact with the ceramic valve core (4). The valve core shaft (41) extends out of the clamping nut (32).

5. The faucet assembly structure according to claim 4, wherein The bushing (33) is provided with a first sealing ring (34) on its outer periphery, and the ceramic valve core (4) is provided with a second sealing ring (42) on its outer periphery.

6. The faucet assembly structure according to claim 4, wherein The water inlet pipe (2) is a pair of parallel pipes. The valve body base (31) is provided with an insert section (311) that matches the shape of the water inlet pipe (2) to the outside. The water inlet pipe (2) is fitted inside the insert section (311). The two pipe bodies of the water inlet pipe (2) are provided with a fixing groove (20) at the same level. The insert section (311) is provided with a pin opening (3110) at the position corresponding to the fixing groove (20). A pin piece (7) is matched and inserted between the pin opening (3110) and the fixing groove (20).

7. The faucet assembly structure according to claim 4, wherein The valve body base (31) forms a boss outward at the valve seat water outlet hole (300), and a fixing ring (50) is provided on the water outlet pipe (5). When the water outlet pipe (5) is sleeved on the valve seat water outlet hole (300), the fixing ring (50) matches and abuts against the surface of the boss.

8. The faucet assembly structure according to claim 1, wherein An aerator (6) is also installed in the outlet port of the water outlet pipe (5).

9. The faucet assembly structure according to claim 1, wherein The outlet pipe (5) is fitted with a flow-limiting gasket (53), which is a cylindrical structure whose outer wall forms a seal with the outlet pipe (5).

10. The faucet assembly structure according to claim 9, wherein The outer diameter of the flow limiting gasket (53) is greater than the inner diameter of the water outlet pipe (5), an outer wall of the flow limiting gasket (53) is provided with a plurality of axial ribs (531), and the inner diameter of the water inlet port of the water outlet pipe (5) is expanded to form an expanded section (500), and the flow limiting gasket (53) is matched and arranged in the expanded section (500).

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