Small faucet shell
By combining laser welding and injection molding of stainless steel half-shells, the high production cost and environmental protection issues of small faucet shells are solved, achieving a low-cost and environmentally friendly production process.
Patent Information
- Application Number
- CN202520409692.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-10
AI Technical Summary
The current production cost of small faucet shells is high and not environmentally friendly, mainly due to the use of copper materials and deep polishing processes.
It is made by laser welding two hollow stainless steel half-shells and combining them with an injection-molded base, which simplifies the processing, reduces polishing steps, and uses a combination design of stainless steel and injection-molded parts.
It reduces production costs, minimizes environmental pollution, improves installation convenience and sealing performance, and reduces material usage.
Smart Images
Figure CN223609451U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of faucet, especially a small faucet shell. BACKGROUND
[0002] The existing faucet has single cold small faucet and cold and hot faucet, most of the small faucet and cold and hot faucet are made of copper material precision casting, the valve core seat and flow channel in the shell are processed together during precision casting of copper material, the unit price of copper material is higher, the shell uses more material, the cost is higher, the shell using copper material precision casting process has higher production cost, and the surface of the shell is subjected to deep polishing treatment in multiple processes to obtain a smooth surface effect, and the deep polishing treatment causes environmental pollution.
[0003] Therefore, the present application is developed based on the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses a small faucet shell, which solves the problems of high production cost and environmental pollution of the existing small faucet shell.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A small faucet shell, comprising a shell, the shell has a valve seat structure for valve core installation and a water inlet flow channel for liquid flow, a water inlet is arranged on the first end face of the shell and communicates with the water inlet flow channel, a water outlet is arranged on the second end bottom surface of the shell, and a valve core installation port is arranged on the second end top surface of the shell and is between the water inlet and the water outlet; the shell has two hollow stainless steel half shells that are horizontally opposite and matched, the two hollow stainless steel half shells are laser welded together to form a shell with a hollow chamber, the shell is the shell mentioned above, a placing seat for placing the valve core is arranged in the hollow chamber of the shell below the valve core installation port, the top surface of the placing seat has an installation structure for tightly installing the valve core of the faucet, the bottom surface of the placing seat and the inner side wall of the shell have a positioning structure that is matched and positioned for installation, the side wall of the placing seat extends to the extension segment along the length direction of the shell and extends to the free end of the water inlet, a communication channel is arranged in the placing seat and extends to the top surface of the placing seat at the first end and the free end of the extension segment at the second end, the communication channel is the water inlet flow channel, and the placing seat and the extension segment are integrally injection molded.
[0007] The placing seat and the extension segment form a tubular structure, the bottom surface of the placing seat is provided with a positioning protrusion protruding downward, the inner bottom surface of the shell is recessed at the positioning protrusion and is provided with a positioning recess matched with the positioning protrusion, and the positioning protrusion and the positioning recess form the positioning structure mentioned above.
[0008] The top surface of the placement seat is located at the valve core installation inlet, and a cutting plane extending along the length direction of the shell is provided on the valve core installation inlet; a flat washer is arranged on the cutting plane; a central passage extending upward and downward and communicating with the communication passage is formed in the flat washer; the flat washer and the placement seat are provided with a positioning structure; and the flat washer and the cutting plane form the mounting structure.
[0009] A vertical passage with its upper end opening to the top surface of the placement seat and a horizontal passage with one end communicating with the vertical passage and the other end opening to the free end surface of the extension part are formed in the placement seat; and the vertical passage and the horizontal passage form the communication passage.
[0010] A clamping ring embedded in the vertical passage and communicating with the central passage is protruded downward from the bottom surface of the flat washer; a plurality of positioning columns are protruded downward from the bottom surface of the flat washer outside the clamping ring; the positioning columns are distributed in a circumferential ring; and a clamping groove for embedding the positioning columns is recessed on the cutting plane.
[0011] A plurality of strip-shaped recesses extending upward and downward and extending to the clamping ring are recessed in the inner side wall of the flat washer; the strip-shaped recesses are arc-shaped recesses.
[0012] After the above technical scheme is adopted, the faucet shell of the utility model is formed by two stainless steel half shells; the placement seat can be first arranged in one of the stainless steel half shells, and the other stainless steel half shell is spliced together and welded, so that the installation of the placement seat is not limited by the size of the shell, and the installation is simple and convenient; after splicing, the two stainless steel half shells can be welded together only by using laser welding; the stainless steel half shell is a smooth structure, and the welding position only needs to be subjected to simple polishing treatment, without the need for deep polishing treatment, thereby greatly reducing production pollution; and the cooperation of the stainless steel shell and the injection molding part greatly reduces the overall machining material cost. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a perspective view of the utility model;
[0014] Figure 2 It is a schematic view of the utility model omitting one stainless steel half shell;
[0015] Figure 3 It is a perspective view of the flat washer and the placement seat in the utility model. DETAILED DESCRIPTION
[0016] In order to further explain the technical scheme of the utility model, the following will be described in detail in combination with the drawings.
[0017] The faucet shell of the utility model is like Figures 1-3As shown, including the shell 1, the shell 1 has a valve seat structure for valve core installation and water inlet flow channel for liquid flow, the shell 1 is a strip-shaped shell extending along the left and right direction, the first end face of the shell (i.e. the right end face) is provided with a water inlet connected with the water inlet flow channel, the second end bottom surface of the shell (i.e. the left end bottom surface) is provided with a water outlet, the second end top surface of the shell (i.e. the left end top surface) is provided with a valve core installation inlet, the valve core installation inlet is between the water inlet and the water outlet, in addition, the shape of the shell 1 is the same as the outer shape of the existing single-hole faucet, such as Figure 1 As shown, it has a transverse part extending along the left and right direction, the right end top surface of the transverse part has an upwardly extending extension, and the right end of the transverse part extends downwardly. The left end of the transverse part is the water inlet, the upper end of the extension is the valve core installation inlet, and the lower end of the downwardly extending curved section is the water outlet.
[0018] The innovation of the present application lies in that the shell 1 has two transversely opposite hollow stainless steel half-shells, as shown in Figure 1 As shown, the two stainless steel half-shells are divided into front half-shell 11 and rear half-shell 12, the two hollow stainless steel half-shells are welded together by laser welding to form a shell with a hollow chamber, the two hollow stainless steel half-shells are arranged in front of and behind each other, i.e. there is a welding site in the middle of the shell, which only needs to be simply polished to achieve the same smooth surface effect as stainless steel, and the shell is the shell.
[0019] The hollow chamber of the shell is provided with a placement seat 2 below the valve core installation inlet for placing the valve core 100, the placement seat 2 is an injection molding part, preferably a plastic seat, the top surface of the placement seat 2 has a mounting structure for tightly mounting the faucet valve core, preferably, the placement seat 2 is a tubular structure, the top surface of the placement seat 2 has a cutting plane 200 extending along the length of the shell at the valve core installation inlet, a flat washer 3 is provided on the cutting plane 200, the flat washer 3 has a central passage 31 passing through up and down and in communication with the communication passage, and the flat washer 3 and the cutting plane 200 form the mounting structure. The application of flat washer 3 and cutting plane makes the installation of valve core 100 more stable.
[0020] The bottom surface of the placement seat 2 and the inner side wall of the shell 1 have a positioning structure for mutual positioning and installation, i.e. the bottom surface of the placement seat 2 is provided with a downwardly protruding positioning protrusion 21, the inner bottom surface of the shell is recessed at the positioning protrusion to form a positioning recess 10 that engages with the positioning protrusion, and the positioning protrusion and the positioning recess form the positioning structure. The concave-convex structure makes the installation of the placement seat in the shell more stable, at the same time, in order to enhance the fixed installation of the placement seat 2, the bottom surface of the placement seat 2 at the valve core installation inlet can be set to a flat convex arc surface, and the bottom surface side wall of the shell body is correspondingly arc-shaped.
[0021] The side wall of the placing seat 2 extends with an extension section extending along the length direction of the shell and extending to the water inlet, the placing seat and the extension section are integrally injection molded, namely the right end of the placing seat 2 extends to the right end of the shell, the whole placing seat 2 is in a long tube structure, the outer side wall of the extension section is sealed and matched with the shell 1 through the O-shaped sealing ring embedded outside the extension section, the communicating passage is arranged in the placing seat 2 and is communicated with the top surface of the placing seat at the first end and the free end of the extension section at the second end, the communicating passage is the water inlet flow channel, namely the vertical passage with the upper end communicated with the top surface of the placing seat and the horizontal passage with one end communicated with the vertical passage and the other end communicated with the free end of the extension section are arranged in the placing seat 2, and the vertical passage and the horizontal passage form the communicating passage.
[0022] The flat washer 3 and the placing seat 2 are provided with a positioning structure, namely the bottom surface of the flat washer 3 is downwardly provided with the embedded tight ring 31 embedded in the vertical passage and communicated with the central passage, and the bottom surface of the flat washer 3 is downwardly provided with a plurality of positioning columns 32 outside the embedded tight ring 31, the positioning columns 32 are distributed in the circumferential direction, and the cutting plane 200 is concavely provided with the embedded groove 201 for embedding the positioning columns, so that the flat washer and the placing seat are more firmly matched and sealed, and the leakage problem is not prone to occur.
[0023] The shell of the utility model is processed by two stainless steel half shells, so that the placing seat can be first arranged in one stainless steel half shell, and the other stainless steel half shell is spliced together and welded, so that the installation of the placing seat is not limited by the size of the shell, and the installation is simple and convenient, meanwhile, the two stainless steel half shells can be welded together only by laser welding after splicing, the stainless steel half shell is a smooth structure, the welding position only needs simple polishing treatment, without deep polishing treatment, the production pollution is greatly reduced, and the cooperation of the stainless steel shell and the injection molding part greatly reduces the overall machining material cost.
[0024] In the utility model, the inner side wall of the flat washer 3 is concavely provided with a plurality of strip recesses which are distributed in the circumferential direction, penetrate up and down and extend to the embedded tight ring, the strip recesses are arc recesses, the arc recesses can be matched with the protrusions on the bottom of the valve core, so that the sealing cooperation between the valve core and the flat washer is more stable.
[0025] The product form of the utility model is not limited to the drawings and embodiments, and any appropriate changes or modifications of the similar ideas should be regarded as not departing from the patent category of the utility model.
Claims
1. A small faucet housing, comprising an outer shell, an inner shell having a valve seat structure for valve core installation and a water inlet channel for liquid flow, an inlet connected to the water inlet channel on a first end face of the outer shell, an outlet on the bottom surface of a second end of the outer shell, and a valve core installation inlet on the top surface of the second end of the outer shell, the valve core installation inlet being located between the inlet and the outlet; characterized in that: The shell has two transversely opposite hollow stainless steel half shells which are laser welded together to form a shell with a hollow chamber, the shell is the shell, a placing seat for placing the valve core is arranged in the hollow chamber of the shell below the valve core installation port, the top surface of the placing seat has an installation structure for tightly installing the faucet valve core, the bottom surface of the placing seat and the inner side wall of the shell have a positioning structure for positioning and installing each other, the side wall of the placing seat extends an extension section extending along the length direction of the shell and extending to the water inlet port, a communication channel with a first end communicating to the top surface of the placing seat and a second end communicating to the free end of the extension section is arranged in the placing seat, the communication channel is the water inlet flow channel, and the placing seat and the extension section are integrally injection molded.
2. A faucet housing according to claim 1, wherein: The placing seat and the extension section form a tubular structure, the bottom surface of the placing seat is provided with a positioning protrusion protruding downward, and the inner bottom surface of the shell is recessed at the positioning protrusion to form a positioning recess matched with the positioning protrusion, and the positioning protrusion and the positioning recess form the positioning structure.
3. A faucet housing according to claim 2, wherein: The top surface of the placing seat is provided with a cutting plane extending along the length direction of the shell at the valve core installation port, a flat gasket is arranged on the cutting plane, a central channel penetrating upward and downward and communicating with the communication channel is arranged on the flat gasket, the flat gasket and the placing seat are provided with a positioning structure, and the flat gasket and the cutting plane form the installation structure.
4. A faucet housing according to claim 3, wherein: A vertical channel with an upper end communicating to the top surface of the placing seat and a horizontal channel with one end communicating to the vertical channel and the other end communicating to the free end surface of the extension section are arranged in the placing seat, and the vertical channel and the horizontal channel form the communication channel.
5. A faucet housing according to claim 3, wherein: The bottom surface of the flat gasket is provided with an embedded ring protruding downward and embedded in the vertical channel and communicating with the central channel, and the bottom surface of the flat gasket is provided with a plurality of positioning columns protruding downward outside the embedded ring, and the positioning columns are distributed in a circumferential direction, and the cutting plane is recessed to form an embedded groove for embedding the positioning columns.
6. A faucet housing according to claim 5, wherein: The inner side wall of the flat gasket is recessed to form a plurality of strip-shaped recesses distributed in a circumferential direction, penetrating upward and downward, and extending to the embedded ring, and the strip-shaped recesses are arc-shaped recesses.