Wash basin faucet

Abstract

The utility model discloses a wash basin faucet which comprises a valve element, a faucet shell and a water outlet nozzle, a valve element seat is arranged in the upper end of the faucet shell, and two water inlet channels penetrating up and down are formed in the valve element seat; the upper end of the valve element seat is located above the water outlet nozzle, the upper end of the valve element seat and the upper end of the faucet shell are fixedly welded together, the lower end of the valve element seat is in close fit with the inner side wall of the faucet shell, an installation cavity is formed in the top face of the valve element seat in a downward concave mode, and the valve element is a flat foot valve element with two water inlets and a water outlet in the bottom face. The flat foot valve element is installed in the installation cavity, sealing sleeves are installed in the two water inlets and the water outlet, the lower ends of the sealing sleeves extend out of the bottom face of the flat foot valve element, the water outlet nozzle is located in the range of the valve element seat, an inner channel is formed in the valve element seat, one end of the inner channel is communicated with the top face of the valve element seat and communicated with the installation cavity, and the other end of the inner channel is communicated with the water outlet nozzle. Compared with the prior art, the overall height is low, the machining cost is low, installation is convenient, and water seepage is not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of faucet, especially a basin faucet. BACKGROUND

[0002] The existing basin faucet has a faucet shell and a water outlet nozzle for water outlet, the faucet shell and the water outlet nozzle are vertically communicated, the water outlet nozzle is at one side of the upper end of the faucet shell, a valve core seat is integrally formed in the faucet shell, the faucet shell forms two chambers separated by the valve core seat, the chamber at the upper part is a valve core installation chamber, and the chamber at the lower part is a pipeline installation chamber, the water outlet nozzle is in the valve core installation chamber, a side opening is formed in the side wall of the valve core installation chamber and is communicated with the water outlet nozzle, two water inlet channels are formed in the valve core seat and are communicated with each other, a valve core is installed in the valve core installation chamber, the bottom surface of the valve core has water inlets communicated with the two water inlet channels, and the side surface of the valve core has a water outlet communicated with the side opening.

[0003] However, the water outlet nozzle of the basin faucet is communicated with the valve core installation chamber, so that the water outlet of the valve core stays in the valve core installation chamber before being output from the side opening, the sealing of the valve core and the valve core installation chamber must be guaranteed to prevent water leakage, but the sealing ring is tightly fitted on the valve core during installation, and the valve core and the valve core installation chamber are tightly fitted through the sealing ring, so that the valve core is difficult to be installed downward; in addition, the traditional valve core seat is processed from a bar, and the valve core seat has only two water inlet channels, so that the installation position of the valve core seat must be below the water inlet end of the water outlet nozzle, and the valve core seat is welded with the faucet shell, so that the lower end of the valve core seat can only be extended to the lower bottom surface of the faucet shell to facilitate the welding of the valve core seat and the faucet shell, which makes the length of the valve core seat relatively long, and undoubtedly increases the processing cost.

[0004] Therefore, the present application is produced after the inventor has made deep research on the problem. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a basin faucet which is not easy to leak and has low processing cost.

[0006] To achieve the purpose, the utility model discloses the following technical scheme: a basin faucet, including faucet main part and valve core, faucet main part has faucet shell and water outlet, water outlet one end is connected with the upper end of faucet shell and communicates, the upper end of faucet shell has valve core seat, valve core is in the upper end of faucet shell, and two upper and lower water inlet channels are formed in valve core seat, the upper end of valve core seat is above water outlet, and the upper end of valve core seat is welded together with the upper end of faucet shell, and the lower end of valve core seat is closely matched with the inner side wall of faucet shell, and the top surface of valve core seat is concave and has installation chamber, the bottom surface of valve core has two water inlets and one water outlet, and the valve core is installed in installation chamber, and the lower end of the sealing sleeve of two water inlets and one water outlet is installed in the bottom surface of valve core, and the water outlet is in the range of valve core seat, and the inner channel is formed in valve core seat, and one end of the inner channel is communicated with the top surface of valve core seat and is connected with installation chamber, and the other end of the inner channel is communicated with water outlet.

[0007] With the direction of water outlet as front, two water inlet channels are horizontally arranged, and the inner channel has vertical channel and horizontal channel, the vertical channel is vertically arranged between the rear sides of two water inlet channels, and the upper end of the vertical channel is communicated with installation chamber, the horizontal channel is horizontally arranged at the lower end of vertical channel, and the horizontal channel is between two water inlet channels, the rear end of horizontal channel is communicated with the lower end of vertical channel, and the front end of horizontal channel is communicated with water outlet.

[0008] Two water inlets are arranged at the front end of valve core and are opposite to two water inlet channels, and the water outlet is between the rear sides of two water inlets and is opposite to vertical channel, and two water inlets and one water outlet fall into the range of sealing sleeve one by one.

[0009] The sealing sleeve is silica gel sealing ring with two open ends and hollow cylinder, and the bottom of sealing sleeve is concave and has recess with closed loop structure.

[0010] The lower pressing sealing cover is arranged in the upper end range of installation chamber and limits valve core in installation chamber, and the lower pressing sealing cover is sealedly installed in installation chamber, and the outlet is formed in the lower pressing sealing cover and is communicated with the upper end of valve core, and the inner side wall of outlet is sealedly matched with the upper end of valve core.

[0011] The utility model discloses a basin faucet, when assembling, the sealing sleeve is correspondingly sleeved in two water inlets and one water outlet, the flat foot valve core is installed in the installation chamber in alignment, and the flat foot valve core is connected with the faucet handle, the cold water inlet pipe and the hot water inlet pipe are inserted into the lower chamber and are connected with two water inlet channels respectively, when using, through the control faucet handle, the faucet handle drives the flat foot valve core to switch cold and hot water, and the cold and hot water flows from the water outlet of the flat foot valve core, through the inner channel, enters the water outlet nozzle from the side through hole and finally flows out from the water outlet nozzle. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structure schematic diagram of the utility model.

[0013] Fig. 2 It is the structure schematic diagram of the utility model valve core seat.

[0014] Fig. 3 It is the structure schematic diagram of the utility model flat foot valve core. DETAILED DESCRIPTION

[0015] In order to further explain the technical scheme of the utility model, the following detailed description is made in conjunction with the drawings.

[0016] A basin faucet, as shown in Figs. 1-3As shown, including faucet body and valve core 1, faucet body has faucet shell 2 and spout 3, faucet shell 2 is hollow cylindrical shell with both ends open and vertical setting, one end of spout 3 is connected with the upper end of faucet shell 2 and communicates, that is, spout 3 extends in front and back direction outside the upper end of faucet shell 2 and is perpendicular to the setting of faucet shell 2, the upper end of the outer wall of faucet shell is located at the position of spout and the side hole is opened on the side of spout 3 towards faucet shell 2, the upper end of faucet shell 2 has valve core seat 4, valve core 1 is in the upper end of faucet shell 2, the hollow chamber of faucet shell 1 is below the valve core seat, the hollow chamber is lower chamber, two upper and lower water inlet channels 100 are opened on valve core seat 4, valve core 1 is installed in installation chamber.

[0017] The upper end of the valve core seat 4 is above the side through hole of the outlet nozzle 3, the upper end of the valve core seat 4 is welded with the upper end of the faucet shell 2, the lower end of the valve core seat 4 is closely matched with the inner side wall of the faucet shell 2, that is, the outer diameter of the valve core seat matches the inner diameter of the faucet shell 2, the top surface of the valve core seat 4 is concave downward to form a mounting chamber, the valve core 1 is a flat foot valve core with two water inlet ports and one water outlet port on the bottom surface, the flat foot valve core is mounted in the mounting chamber, an inner passage 200 is formed in the valve core seat 4, one end of the inner passage 200 is connected to the top surface of the valve core seat and communicates with the mounting chamber, the other end of the inner passage 200 communicates with the outlet nozzle 3; specifically, the two water inlet passages 100 are horizontally and transversely arranged, the inner passage 200 has a vertical passage 201 and a horizontal passage 202 which are vertically connected, the vertical passage 201 is vertically arranged in the range between the rear sides of the two water inlet passages 100, that is, the vertical passage 201 is arranged in a triangular shape with the two water inlet passages 100, and the upper end of the vertical passage 201 communicates with the mounting chamber, the horizontal passage 202 is horizontally arranged at the lower end of the vertical passage 201 in the front-rear direction, and the horizontal passage 202 is arranged between the two water inlet passages 100, the rear end of the horizontal passage 202 communicates with the lower end of the vertical passage 201, and the front end of the horizontal passage 202 communicates with the side through hole opposite to the side through hole; the two water inlet ports are arranged on the front end of the flat foot valve core 1 and opposite to the two water inlet passages 100, the water outlet port is arranged between the rear sides of the two water inlet ports and opposite to the vertical passage 201, and the bottom surface of the flat foot valve core is convex downward to form a positioning column (not shown in the figure), the cavity bottom of the mounting chamber is concave to form a positioning groove for the positioning column to extend into; the specific structure of the flat foot valve core and the mode of water flow through the flat foot valve core from the two water inlet ports, switching cold and hot water from the water outlet port are known to those skilled in the art, and will not be described here; in application, the flat foot valve core is embedded in the mounting chamber by positioning the positioning column and the positioning groove, water flows from the cold water inlet pipe and the hot water inlet pipe, flows through the two water inlet passages 100 and enters the valve core from the two water inlet ports, the valve core switches cold and hot water, cold and hot water flows through the vertical passage 201 and the horizontal passage 202, and enters the outlet nozzle from the side through hole, and finally flows out from the outlet nozzle 3; in addition, the outlet nozzle is not limited to being arranged in the mounting chamber, as long as the front end of the horizontal passage 202 falls into the side through hole of the outlet nozzle to realize the communication between the outlet nozzle and the inner passage; moreover, the arrangement of the inner passage makes the water flow not need to enter the mounting chamber, so it is not necessary to install a sealing ring on the outer side wall of the valve core to ensure the sealing of the mounting chamber and the valve core, so that when the valve core extends into the mounting chamber, it will not be affected by the friction between the sealing ring and the inner side wall of the mounting chamber, and the installation is simple.

[0018] The sealing sleeve 5 is a silica gel sealing ring with two open ends and a hollow cylinder, and the two water inlets and the water outlet are correspondingly arranged in the hollow range of the sealing sleeve 5, that is, the inner diameters of the two water inlets and the water outlet are less than or equal to the inner diameter of the sealing sleeve 5, the bottom surface of the sealing sleeve 5 is flatly attached to the top surface of the valve core seat, and a recess with a closed ring structure is arranged at the bottom of the sealing sleeve 5; in application, the flat foot valve core is installed in the installation chamber, the flat foot valve core presses the sealing sleeve 5, the bottom of the flat foot valve core 5 is sealingly connected with the top of the valve core seat 4 through the sealing sleeve 5, and water leakage is not easy to occur; meanwhile, the recess can better attach the sealing sleeve to the top surface of the valve core seat, can increase the deformation amount of the bottom of the sealing sleeve, and improve the sealing performance.

[0019] In assembly, the sealing sleeve is correspondingly sleeved in the two water inlets and the water outlet, the flat foot valve core is oppositely installed in the installation chamber, the flat foot valve core is connected with the faucet handle, the cold water inlet pipe and the hot water inlet pipe are inserted into the lower chamber and are respectively connected with the two water inlet channels 100; in use, the faucet handle is controlled to drive the flat foot valve core to switch cold water and hot water, the cold water and the hot water flow through the inner channel from the water outlet of the flat foot valve core, enter the water outlet nozzle from the side through hole, and finally flow out of the water outlet nozzle. Compared with the prior art, the water flow does not need to enter the installation chamber and then flow into the water outlet nozzle, the water flow is directly conveyed from the water outlet of the flat foot valve core to the inner channel and then enters the water outlet nozzle, the two water inlets and the water outlet are sealingly connected with the bottom of the installation chamber by the sealing sleeve, the flat foot valve core is not easy to leak, a sealing ring does not need to be sleeved on the outer wall of the flat foot valve core, the flat foot valve core can be directly oppositely placed in the installation chamber, and installation is relatively simple; in addition, in the processing process, the upper end of the valve core seat is welded with the upper end of the faucet shell, the bottom of the valve core seat does not need to be extended to the bottom of the faucet shell and welded with the faucet shell, the overall length of the valve core seat can be set to be relatively short, and the processing cost is reduced.

[0020] Preferably, the upper end of the installation chamber is provided with a lower sealing cover (not shown in the figure), which is sealingly installed with the installation chamber, and the lower sealing cover is provided with an outlet for the upper end of the flat foot valve core to extend out of the top surface of the lower sealing cover, and the inner side wall of the outlet is sealingly matched with the upper end of the flat foot valve core 1; Specifically, the flat foot valve core has an outer shell and a control end 11 extending out of the top surface of the outer shell, the outer shell has an expanded diameter section 12 and a reduced diameter section 13 above the expanded diameter section 12, two water inlets and one water outlet are on the bottom surface of the expanded diameter section 12, the internal specific control structure of the flat foot valve core is a known technology, the expanded diameter section 12 is in the installation chamber, the reduced diameter section 13 extends out of the upper end of the installation chamber, the control end 11 extends out of the top surface of the reduced diameter section 13 and is connected with the handle, the lower sealing cover is flat on the top surface of the expanded diameter section 12, the inner side wall of the outlet is sealingly matched with the reduced diameter section 13, and the top surface of the expanded diameter section 12 is lower than the top surface of the faucet shell 2, the upper end of the installation chamber is screw-connected with the outer side wall of the lower sealing cover and sealingly matched, that is, the upper end of the installation chamber has an internal thread, and the lower end of the outer side wall of the lower sealing cover has an external thread screw-connected with the internal thread; During assembly, the control end 11 is extended out of the outlet of the lower sealing cover, the flat foot valve core is installed in the installation chamber in position, and the lower sealing cover is screw-connected with the upper end of the installation chamber, at this time, the top of the lower sealing cover is flush with the top surface of the faucet shell 2, the lower sealing cover limits the valve core in the installation chamber, and the lower pressing of the lower sealing cover enables the sealing sleeve 5 to be pressed tightly, thereby ensuring the sealing property of the valve core seat and the valve core.

[0021] The product form of the utility model is not limited to the drawings and examples of the case, and any appropriate changes or modifications of similar ideas should be considered as not deviating from the patent category of the utility model.

Claims

1. A basin faucet, comprising a faucet body and a valve core, the faucet body having a faucet shell and a water outlet spout, the faucet shell being vertically arranged, one end of the water outlet spout being connected to and communicating with an upper end of the faucet shell, the upper end of the faucet shell having a valve core seat therein, the valve core being located in the upper end of the faucet shell, and two water inlet channels being formed in the valve core seat and penetrating the valve core seat from top to bottom; characterized in that: The upper end of the valve core seat is above the water outlet nozzle, the upper end of the valve core seat is welded with the upper end of the faucet shell, the lower end of the valve core seat is tightly matched with the inner side wall of the faucet shell, the top surface of the valve core seat is concave downward to form a mounting chamber, the valve core has a flat foot valve core with two water inlet openings and one water outlet opening on the bottom surface, the flat foot valve core is installed in the mounting chamber, a sealing sleeve with the lower end extending out of the bottom surface of the flat foot valve core is installed in each of the two water inlet openings and the water outlet opening, the water outlet nozzle is within the range of the valve core seat, an inner passage is formed in the valve core seat, one end of the inner passage is connected to the top surface of the valve core seat and communicates with the mounting chamber, and the other end of the inner passage communicates with the water outlet nozzle.

2. A basin tap according to claim 1, characterised in that: The two water inlet passages are horizontally arranged between the two water inlet passages, the inner passage has a vertical passage and a horizontal passage which are vertically connected, the vertical passage is vertically arranged between the rear sides of the two water inlet passages, the upper end of the vertical passage communicates with the mounting chamber, the horizontal passage is horizontally arranged at the lower end of the vertical passage in the front-rear direction, the horizontal passage is between the two water inlet passages, the rear end of the horizontal passage communicates with the lower end of the vertical passage, and the front end of the horizontal passage communicates with the water outlet nozzle.

3. A basin tap according to claim 2, wherein: The two water inlet openings are arranged at the front end of the flat foot valve core and opposite to the two water inlet passages, the water outlet opening is arranged between the rear sides of the two water inlet openings and opposite to the vertical passage, and the two water inlet openings and the water outlet opening fall into the range of the sealing sleeve one by one.

4. A basin tap according to claim 3, wherein: The sealing sleeve is a silica gel sealing ring with two open ends and a hollow cylindrical shape, and the bottom of the sealing sleeve is concave to form a closed ring structure groove.

5. The faucet according to claim 3, wherein: The lower end of the valve core seat is tightly matched with the inner side wall of the faucet shell, the top surface of the valve core seat is concave downward to form a mounting chamber, the valve core has a flat foot valve core with two water inlet openings and one water outlet opening on the bottom surface, the flat foot valve core is installed in the mounting chamber, a sealing sleeve with the lower end extending out of the bottom surface of the flat foot valve core is installed in each of the two water inlet openings and the water outlet opening, the water outlet nozzle is within the range of the valve core seat, an inner passage is formed in the valve core seat, one end of the inner passage is connected to the top surface of the valve core seat and communicates with the mounting chamber, and the other end of the inner passage communicates with the water outlet nozzle.

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