Water pipe assembly and faucet
By incorporating a support plate and raised ribs inside the faucet tube, the deformation problem during the tube casting process was solved, simplifying the production process and reducing costs.
Patent Information
- Application Number
- CN202520785428.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-23
AI Technical Summary
Existing faucets are prone to deformation during the molding process of embedding pipes into the mold, which increases the complexity of the injection molding process and leads to increased production costs.
The design adopts a metal embedded tube, with a first support plate and a raised rib inside the tube. The support plate extends along the axial direction of the metal embedded tube, and the raised rib is arranged along the second direction, which improves the deformation resistance of the embedded tube and simplifies the production process by casting it into the water outlet pipe.
This reduces the risk of deformation of the metal insert during the casting process, simplifies the production process, and lowers production costs.
Smart Images

Figure CN223953402U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a water pipe assembly, in particular to a water pipe assembly applied to a faucet and a faucet. BACKGROUND
[0002] The prior art faucet, including valve body, valve core, water inlet pipe, water outlet pipe and connecting seat, valve core is established in valve core chamber, and valve core top is equipped with switch handle, valve body is die casting, and valve body is equipped with valve core chamber for connecting valve core, the casted bathroom faucet valve body is equipped with pipe embedding, and pipe embedding includes water inlet pipe embedding and water outlet pipe embedding, water inlet pipe embedding and water outlet pipe embedding can be integrated with valve core seat and then embedded in mold casting, the pipe embedding is one or two of pure copper pipe, stainless steel pipe and pure aluminum pipe, and filling material can be added between valve body and pipe embedding, so that greater pressure can be resisted, however, during the embedding and mold casting process of the pipe embedding, when the casting material flows into the outer periphery of the pipe embedding, the outer periphery of the pipe embedding is afraid to be deformed due to relatively large pressure, and adding filling material between the valve body and the pipe embedding can solve the deformation problem of the pipe embedding, but increase the complexity of injection molding process. SUMMARY
[0003] In order to solve the above-mentioned prior art problems, the utility model provides a kind of water pipe assembly, applied to faucet, including: die casting shell and metal embedding pipe, the die casting shell includes water outlet pipe, the water outlet pipe is used to transport water from the valve cavity of faucet to the water outlet of faucet, the cross section of the metal embedding pipe is flat, the cross section of the metal embedding pipe is formed by two first side walls oppositely arranged along first direction and two second side walls oppositely arranged along second direction, the first distance between two first side walls is less than the second distance between two second side walls, first support plate is equipped in the metal embedding pipe, the first support plate extends along the axial direction of the metal embedding pipe, the first support plate is clamped between the two first side walls along its width direction, and the metal embedding pipe is embedded in the water outlet pipe by casting and is communicated with the valve cavity of faucet and the water outlet of faucet.
[0004] As an improvement of the utility model water pipe assembly, the metal embedding pipe includes pipe body and several convex ribs, the convex rib is arranged outside the second side wall and extends along the direction of the pipe body, and the convex rib is formed by expanding outward from the inner side wall of the pipe body.
[0005] As an improvement of the utility model water pipe assembly, two first side walls are respectively outwardly recessed to form limiting grooves, the limiting grooves extend along the axial direction of the metal embedding pipe, and the two sides of the first support plate along its width direction are inserted into the limiting grooves.
[0006] As an improvement of the water pipe assembly of the utility model, the convex rib is formed on the outer wall of the limiting groove and protrudes from the surface of the pipe body, and the convex rib intersects with the convex rib.
[0007] As an improvement of the water pipe assembly of the utility model, the convex rib is formed on the outer wall of the limiting groove and protrudes from the surface of the pipe body, and the convex rib intersects with the convex rib.
[0008] As an improvement of the water pipe assembly of the utility model, the metal pipe comprises a pipe body and a plurality of convex ribs arranged around the outer periphery of the pipe body, the convex ribs are arranged along the extension direction of the pipe body, and the convex ribs are formed by expanding outward from the inner side wall of the pipe body.
[0009] As an improvement of the water pipe assembly of the utility model, the first support plate is provided with one, and the first support plate is arranged centrally along the second direction.
[0010] As an improvement of the water pipe assembly of the utility model, the first support plate is provided with at least two, and the first support plates are arranged at intervals along the second direction.
[0011] As an improvement of the water pipe assembly of the utility model, the metal pipe further comprises a second support plate, the second support plate extends along the axial direction of the metal pipe, and the two sides of the second support plate along the width direction are clamped between the two second side walls.
[0012] As an improvement of the water pipe assembly of the utility model, the first direction and the second direction are perpendicular to each other, the first side wall is flat, and the second side wall is curved outward.
[0013] As an improvement of the water pipe assembly of the utility model, the die-cast shell further comprises a water inlet pipe, the water inlet pipe is vertically arranged relative to the water outlet pipe, a valve cavity is arranged at the intersection of the water outlet pipe and the water inlet pipe, a metal pipe is arranged in the water inlet pipe, one end of the metal pipe forms a water inlet, the other end of the metal pipe extends to the valve cavity, the wall thickness of the metal pipe is greater than the wall thickness of the metal pipe, a connecting piece made of metal is arranged on the end of the water outlet pipe away from the valve cavity, a cavity is arranged in the connecting piece, a water outlet is arranged in the connecting piece and communicates with the cavity, the metal pipe extends from the valve cavity to the cavity, and the metal pipe and the connecting piece are fixed by welding.
[0014] In order to solve the above-mentioned prior art problems, the utility model provides a faucet, which comprises a valve core, a switch handle and the above-mentioned water pipe assembly, the valve core is arranged in the valve cavity, the switch handle is connected to the valve core, and the switch handle is used to control the valve core.
[0015] The beneficial effects of the technical solution of this utility model are as follows: by providing the first support plate inside the metal tube, the deformation resistance of the metal tube is improved; when the metal tube is embedded in the mold and cast into the water outlet pipe, the risk of deformation due to pressure on the outer periphery of the metal tube is reduced; after the first support plate is provided inside the metal tube, it can be placed in the mold and casting material can be directly poured to form the die-cast shell, and the production process is simple. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of a preferred embodiment of the water pipe assembly and faucet of this utility model;
[0017] Figure 2 for Figure 1 A sectional view;
[0018] Figure 3 This is a structural schematic diagram of the water pipe assembly and the preferred embodiment of the water pipe assembly and faucet of this utility model;
[0019] Figure 4 This is a schematic diagram of the assembly structure of the metal insert and the first support plate in a preferred embodiment of the water pipe assembly and faucet of this utility model.
[0020] Figure 5 for Figure 4 A schematic diagram of a section cut along the radial direction of a metal insert;
[0021] Figure 6 for Figure 4 A schematic diagram of the decomposition process;
[0022] Figure 7 This is a schematic diagram of the assembly structure of the metal embedded pipe and the first support plate of the water pipe assembly and other embodiments of the faucet of this utility model;
[0023] Figure 8 This is a schematic diagram of the assembly structure of the water pipe assembly and the metal embedded pipe and the first support plate in other embodiments of the faucet of this utility model;
[0024] Figure 9 This is a schematic diagram of the assembly structure of the metal insert and the first support plate of the water pipe assembly and other embodiments of the faucet of this utility model. Detailed Implementation
[0025] Below, in conjunction with Figures 1 to 9 The present invention will be further described in the preferred embodiments and other embodiments. It should be noted that, without conflict, the technical features described below can be arbitrarily combined to form new embodiments.
[0026] like Figures 1 to 6For the preferred embodiment, the utility model provides a kind of faucet, including valve core 5, switch handle 61 and water pipe assembly, the water pipe assembly includes: die casting shell 1 and metal embedded pipe 2, the die casting shell 1 includes outlet pipe 11, the outlet pipe 11 is used to transport water from the valve cavity 13 of faucet to the water outlet of faucet, the cross section of the metal embedded pipe 2 is flat, the cross section of the metal embedded pipe 2 includes two first side walls 2a oppositely arranged along first direction A and two second side walls 2b oppositely arranged along second direction B, and is formed by surrounding, the first distance s1 between two first side walls 2a is less than the second distance s2 between two second side walls 2b, first support plate 4 is equipped in the metal embedded pipe 2, the first support plate 4 extends along the axial direction of the metal embedded pipe 2, the first support plate 4 is clamped between the two first side walls 2a along its width direction, the metal embedded pipe 2 is embedded in the outlet pipe 11 by casting and is communicated with the valve cavity 13 of faucet and the water outlet 32 of faucet, the valve core 5 is equipped in the valve cavity 13, the switch handle 61 is connected to the valve core 5, and the switch handle 61 is used to control the valve core 5. By being equipped with the first support plate 4 in the metal embedded pipe 2, the anti-deformation ability of the metal embedded pipe 2 is improved, when the metal embedded pipe 2 is embedded in the outlet pipe 11 by casting in mold, the risk of deformation of the metal embedded pipe 2 periphery is reduced by stress extrusion, the first support plate 4 in the metal embedded pipe 2 is placed in mold and can be directly poured casting material to form the die casting shell 1, and production process is simple, in the embodiment, the metal wave pipe 2 is stainless steel material.
[0027] As Figures 4-6As shown in the preferred embodiment, the metal insert pipe 2 comprises a pipe body 21 and a plurality of protrusions 22 arranged along the extending direction of the pipe body 21 outside the second side wall 2b, the protrusions 22 are formed by bulging outwards from the inner side wall of the pipe body 21, in this example, the metal insert pipe 2 is formed by the protrusions 22 through a water bulging process; by arranging the protrusions 22 on the second side wall 2b, the anti-deformation ability of the metal insert pipe 2 along the second direction B is improved; in the preferred embodiment, the two first side walls 2a are respectively outwardly recessed to form limiting grooves 23, the limiting grooves 23 extend along the axial direction of the metal insert pipe 2, the first support plate 4 is inserted into the limiting grooves 23 along the two sides of the width direction of the first support plate 4, and the two ends of the first support plate 4 are welded with the metal insert pipe 2 to strengthen the stability of the first support plate 4; in the preferred embodiment, the protrusions 22 extend from the second side wall 2b to the first side wall 2a and are arranged staggered with the limiting grooves 23. In an embodiment, not shown, the difference from the preferred embodiment is that there is no limiting groove 23 and the arrangement of the protrusions 22 is different, specifically, the metal insert pipe 2 comprises a pipe body 21 and a plurality of protrusions 22 arranged around the outer periphery of the pipe body 21, the protrusions 22 are arranged along the extending direction of the pipe body 21, the protrusions 22 are formed by bulging outwards from the inner side wall of the pipe body 21, by arranging the protrusions 22, the anti-deformation ability of the metal insert pipe 2 is further improved.
[0028] As Figures 4-6 shown in the preferred embodiment, the first support plate 4 is provided with one, and the first support plate 4 is arranged centrally along the second direction B. As Figure 4 and Figure 5 shown in the preferred embodiment, the first direction A and the second direction B are perpendicular to each other, the first side wall 2a is in the form of a flat plate, and the second side wall 2b is in the form of an outwardly curved arc.
[0029] As Figures 1-3As shown, in a preferred embodiment, the die-cast outer shell 1 further includes a water inlet pipe 12, which is vertically arranged relative to the water outlet pipe 11. A valve cavity 13 is provided at the intersection of the water outlet pipe 11 and the water inlet pipe 12. A metal through pipe 121 is provided inside the water inlet pipe 12. One end of the metal through pipe 121 forms a water inlet 1211, and the other end of the metal through pipe 121 extends to the valve cavity 13. The wall thickness of the metal through pipe 121 is greater than the wall thickness of the metal embedded tube 2. It also includes a metal connector 3, which is located at the end of the water outlet pipe 11 away from the valve cavity 13. A cavity 31 is provided inside the connector 3. The water outlet 32 is opened in the connector 3 and communicates with the cavity 31. The metal embedded tube 2 extends from the valve cavity 13 to the cavity 31. The metal embedded tube 2 and the connector 3 are fixed by welding. In this embodiment, the first connector 3 is made of stainless steel.
[0030] like Figure 7 As shown, in other embodiments, the difference from the preferred embodiment is that the rib 22 is set in a different way. Specifically, the outer wall of the limiting groove 23 forms a rib 24 that protrudes from the surface of the tube body 21, and the rib 24 intersects with the rib 22.
[0031] like Figure 8 As shown, in another embodiment 2, the difference from the preferred embodiment is that the metal insert 2 does not have a first support plate 4. For example... Figure 9 As shown, in other embodiments, the difference from other embodiments, is that the number of first support plates 4 is different. Specifically, in this example, there are two first support plates 4, which are arranged at intervals along the second direction B. Of course, in other embodiments, there can be more than two first support plates 4, such as three, which are arranged at intervals along the second direction B. In another embodiment (not shown), the difference from other embodiments, is that a second support plate is also provided inside the metal tube 2. The second support plate extends along the axial direction of the metal tube 2 and is sandwiched between the two second sidewalls 2b on both sides along its width direction. The second support plate improves the deformation resistance of the metal tube 2 along the second direction B.
[0032] The beneficial effects of the technical solution of this utility model are as follows: by providing the first support plate inside the metal tube, the deformation resistance of the metal tube is improved. When the metal tube is embedded in the mold and cast into the water outlet pipe, the risk of deformation due to pressure on the outer periphery of the metal tube is reduced. After the first support plate is provided inside the metal tube, it can be placed in the mold and casting material can be directly poured to form the die-cast shell, which simplifies the production process.
[0033] The utility model has made a detailed description, the above-mentioned, only for the preferred embodiment of the utility model, when cannot limit the utility model implementation range, namely all equal changes and modification that make in the application scope, should still belong to the utility model cover range.
Claims
1. A water pipe assembly, characterized in that, The device is used in faucets and includes: a die-cast housing and a metal insert. The die-cast housing includes a water outlet pipe for conveying water from the valve chamber of the faucet to the water outlet of the faucet. The metal insert has a flat cross-section and is formed by two first sidewalls arranged opposite each other along a first direction and two second sidewalls arranged opposite each other along a second direction. A first distance between the two first sidewalls is smaller than a second distance between the two second sidewalls. A first support plate is provided inside the metal insert and extends along the axial direction of the metal insert. The first support plate is clamped between the two first sidewalls along its width direction. The metal insert is embedded in the water outlet pipe by casting and communicates with the valve chamber and the water outlet of the faucet.
2. The water pipe assembly according to claim 1, characterized in that, The metal tube includes a tube body and several ribs. The ribs are located outside the second sidewall and are arranged along the direction of extension of the tube body. The ribs are formed by expanding outward from the inner sidewall of the tube body.
3. The water pipe assembly according to claim 2, characterized in that, The two first sidewalls are respectively recessed outward to form limiting grooves, the limiting grooves extend along the axial direction of the metal insert, and the first support plate is inserted into the limiting grooves on both sides along its width direction.
4. The water pipe assembly according to claim 3, characterized in that, The rib extends from the second sidewall to the first sidewall and is offset from the limiting groove.
5. The water pipe assembly according to claim 3, characterized in that, The outer wall of the limiting groove forms a rib protruding from the surface of the tube, and the rib intersects with the rib.
6. The water pipe assembly according to claim 1, characterized in that, The metal insert includes a tube body and a plurality of ribs surrounding the outer periphery of the tube body. The ribs are arranged along the direction of extension of the tube body and are formed by expanding outward from the inner sidewall of the tube body.
7. The water pipe assembly according to claim 1, characterized in that, The first support plate is provided and is centrally located along the second direction.
8. The water pipe assembly according to claim 1, characterized in that, The first support plate is provided in at least two, and the first support plate is arranged at intervals along the second direction.
9. The water pipe assembly according to claim 1, characterized in that, The metal tube is further provided with a second support plate, which extends along the axial direction of the metal tube and is clamped between the two second side walls along its width direction.
10. The water pipe assembly according to claim 1, characterized in that, The first direction and the second direction are perpendicular to each other, the first sidewall is flat, and the second sidewall is an outwardly curved arc.
11. The water pipe assembly according to claim 1, characterized in that, The die-cast outer shell also includes a water inlet pipe, which is vertically arranged relative to the water outlet pipe. A valve cavity is provided at the junction of the water outlet pipe and the water inlet pipe. A metal through pipe is provided inside the water inlet pipe. One end of the metal through pipe forms a water inlet, and the other end of the metal through pipe extends to the valve cavity. The wall thickness of the metal through pipe is greater than the wall thickness of the metal insert. It also includes a metal connector, which is located at the end of the water outlet pipe away from the valve cavity. The connector has a cavity inside, and the water outlet is opened in the connector and communicates with the cavity. The metal insert extends from the valve cavity to the cavity. The metal insert and the connector are fixed by welding.
12. A faucet, characterized in that, The device includes a valve core, a switch handle, and the water pipe assembly as described in claim 11, wherein the valve core is disposed within the valve cavity, the switch handle is connected to the valve core, and the switch handle is used to control the valve core.