Kitchen faucet capable of automatically discharging residual purified water while being closed

Abstract

The utility model discloses a kitchen faucet capable of automatically discharging residual purified water while being closed, which comprises a faucet main body, a water mixing valve core is mounted on the right side of the faucet main body, a pressing valve core is mounted on the left side of the faucet main body, and a purified water outlet pipe is rotatably connected to the top of the faucet main body. A piston capable of moving transversely is arranged on the inner side of the pressing valve element, the piston is provided with a water passing pipe communicated with the purified water outlet pipe, a water drainage hole and a water inlet hole are formed in the bottom of the pressing valve element, and a water drainage pipe communicated with the water drainage hole is installed on the inner side of the faucet body. The water purifier is simple in structure, the cold and hot water part does not drain automatically, only the purified water part drains automatically, when the pressing rod is pressed and does not rebound under the action of the rotating rod, the drainage through hole of the piston is communicated with the drainage hole and is in a drainage state, the water inlet hole is also closed, residual water in the purified water outlet pipe is drained automatically and quickly, overnight water is avoided, and the water purifier is convenient to use. Drinking water safety is guaranteed, and the use effect is good.

Description

Technical Field

[0001] This utility model relates to the field of faucet technology, specifically to a kitchen faucet that automatically discharges residual clean water when turned off. Background Technology

[0002] Currently, 2-in-1 kitchen faucets that also include a water purifier are extremely common. However, this overlooks the risk of bacterial growth and contamination due to residual water in the faucet's outlet pipe. This residual water becomes overnight water, which may be contaminated and poses a significant health risk, especially to infants and pregnant women, resulting in a poor user experience. Therefore, to avoid these shortcomings, improvements to existing technology are necessary. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings and deficiencies in the existing technology and provide a kitchen faucet with a simple structure that automatically discharges residual clean water when turned off.

[0004] This utility model is achieved through the following technical solution:

[0005] A kitchen faucet that automatically discharges residual purified water upon closing includes a faucet body, a mixing valve core installed on the right side of the faucet body, a push-button valve core installed on the left side of the faucet body, a purified water outlet pipe rotatably connected to the top of the faucet body, a piston that can move laterally on the inner side of the push-button valve core, a water pipe connected to the purified water outlet pipe on the piston, a drain hole and a water inlet hole respectively on the bottom of the push-button valve core, a drain pipe connected to the drain hole on the inner side of the faucet body, a water inlet pipe connected to the water inlet hole on the inner side of the faucet body, and a drain through hole corresponding to the drain hole on the outer side of the water pipe.

[0006] Furthermore, the end of the purified water outlet pipe is provided with a purified water outlet nozzle.

[0007] Furthermore, a water outlet is installed at the end of the purified water outlet pipe, and the outlet of the mixing valve core is connected to the water outlet through the water outlet pipe.

[0008] Furthermore, a pressing rod is installed on the inner side of the pressing valve core, the pressing rod is connected to a rotating rod, the rotating rod abuts against the piston, and a spring is installed on the inner side of the pressing valve core to abut against the piston.

[0009] Furthermore, the pressing valve core includes a housing and a bottom shell installed at the end of the housing.

[0010] Furthermore, a first O-ring and a second O-ring are respectively fitted on the outer side of the piston, and the first O-ring and the second O-ring are respectively located on both sides of the drain hole.

[0011] Furthermore, a third O-ring is fitted on the outer side of the end of the water pipe.

[0012] Furthermore, a fourth O-ring is installed at the end of the bottom shell, a fifth O-ring is fitted on the outer side of the outer shell, and a sixth O-ring is fitted on the outer side of the bottom shell.

[0013] Furthermore, a seventh O-ring is provided at the connection between the outer shell and the bottom shell.

[0014] Furthermore, a protrusion is provided at the contact point between the rotating rod and the piston.

[0015] Compared to existing technologies, this utility model features a push-button valve core mounted on the left side of the faucet body. A purified water outlet pipe is rotatably connected to the top of the faucet body. A piston capable of horizontal movement is located inside the push-button valve core. The piston has a water passage pipe connected to the purified water outlet pipe. The bottom of the push-button valve core has a drain hole and a water inlet hole. A drain pipe connected to the drain hole and a water inlet pipe connected to the water inlet hole are installed inside the faucet body. A drain passage hole corresponding to the drain hole is located outside the water passage pipe. When the push-button is pressed... When the piston rebounds, it retracts under the force of the spring, connecting the water inlet to the purified water outlet pipe, allowing water to flow out normally. When the pressing rod is pressed and does not rebound due to the action of the rotating rod, the piston's drain hole connects to the drain hole, allowing water to drain. At the same time, the water inlet is closed. Due to the weight of the water, any residual water in the purified water outlet pipe is automatically and quickly discharged, preventing overnight water accumulation, avoiding contamination of the purified water, and preventing adverse effects on the health of infants and pregnant women. This ensures the drinking water safety of infants and pregnant women and provides excellent performance. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the kitchen faucet of the present invention that automatically discharges residual clean water when turned off;

[0018] Figure 2 An exploded view of the structure of the kitchen faucet of this utility model that automatically discharges residual clean water when turned off;

[0019] Figure 3 This is an exploded view of the structure of the push valve core of this utility model;

[0020] Figure 4 This is a schematic diagram of the kitchen faucet of the present invention, which automatically discharges residual purified water when the water purification is turned off.

[0021] Figure 5 This is a schematic diagram of the kitchen faucet of this utility model that automatically discharges residual purified water when turned off, in the purified water output state.

[0022] In the diagram: 1-Faucet body; 2-Mixer valve core; 3-Push valve core; 4-Clean water outlet pipe; 5-Piston; 6-Water pipe; 7-Drain hole; 8-Inlet hole; 9-Drain pipe; 10-Inlet pipe; 11-Drain through hole; 12-Clean water outlet; 13-Outlet head; 14-Outlet pipe; 15-Push rod; 16-Rotating rod; 17-Spring; 18-Outer shell; 19-Bottom shell; 20-First O-ring seal; 21-Second O-ring seal; 22-Third O-ring seal; 23-Fourth O-ring seal; 24-Fifth O-ring seal; 25-Sixth O-ring seal; 26-Seventh O-ring seal; 27-Protrusion. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1 to 5The present invention discloses a kitchen faucet that automatically discharges residual purified water upon closing. It includes a faucet body 1, a mixing valve core 2 installed on the right side of the faucet body 1, a push-button valve core 3 installed on the left side of the faucet body 1, a purified water outlet pipe 4 rotatably connected to the top of the faucet body 1, a piston 5 capable of horizontal movement on the inner side of the push-button valve core 3, a water pipe 6 communicating with the purified water outlet pipe 4, a drain hole 7 and a water inlet hole 8 respectively at the bottom of the push-button valve core 3, a drain pipe 9 communicating with the drain hole 7 installed on the inner side of the faucet body 1, a water inlet pipe 10 communicating with the water inlet hole 8 installed on the inner side of the faucet body 1, and a drain through hole 11 corresponding to the drain hole 7 on the outer side of the water pipe 10. When the water inlet 8 is connected to the purified water outlet pipe 4, water flows out of the purified water outlet pipe 4, which is the normal water output state. When the drain hole 11 of the piston 5 is connected to the drain hole 7, it is in the drain state, and the water inlet 8 is closed at the same time. Due to the gravity of the water itself, the residual water in the purified water outlet pipe 4 is automatically and quickly discharged, and there will be no overnight water. This avoids the purified water from being contaminated and avoids adverse effects on the health of infants and pregnant women, ensuring the drinking water safety of infants and pregnant women. It has a good effect.

[0025] The end of the purified water outlet pipe 4 is equipped with a purified water outlet nozzle 12 for convenient purified water dispensing.

[0026] A water outlet 13 is installed at the end of the water outlet pipe 4. The outlet of the mixing valve core 2 is connected to the water outlet 13 through the water outlet pipe 14, which facilitates the hot and cold water output of the faucet. The mixing valve core 2 controls the inlet and outlet of hot and cold water.

[0027] The product has two functions: the hot and cold water sections do not drain automatically, while only the purified water section drains automatically.

[0028] A pressing rod 15 is installed inside the pressing valve core 3. The pressing rod 15 is connected to a rotating rod 16. The rotating rod 16 abuts against the piston 5. A spring 17 is installed inside the pressing valve core 3 to hold the piston 5. When the pressing rod 15 is pressed and rebounds, the piston 5 is retracted by the elastic force of the spring 17, and the water inlet 8 is connected to the clean water outlet pipe 4, and water flows out of the clean water outlet pipe 4, which is the normal water outlet state. When the pressing rod 15 is pressed and does not rebound under the action of the rotating rod 16, the drain hole 11 of the piston 5 is connected to the drain hole 8, which is the drain state, and the water inlet 8 is closed at the same time.

[0029] The press valve core 3 includes a housing 18 and a bottom housing 19 installed at the end of the housing 18, which facilitates the installation of internal components of the press valve core 3.

[0030] The piston 5 is fitted with a first O-ring 20 and a second O-ring 21 on its outer side. The first O-ring 20 and the second O-ring 21 are respectively located on both sides of the drain hole 11 to prevent leakage when the drain hole 11 drains.

[0031] A third O-ring 22 is fitted on the outer side of the end of the water pipe 6 to prevent water from the clean water outlet pipe 4 from leaking into the drain hole 7.

[0032] A fourth O-ring seal 23 is installed at the end of the bottom shell 19, a fifth O-ring seal 24 is fitted on the outside of the outer shell 18, and a sixth O-ring seal 25 is fitted on the outside of the bottom shell 19, thereby improving the sealing performance of the push valve core 3 and the faucet body 1.

[0033] A seventh O-ring 26 is provided at the connection between the outer shell 18 and the bottom shell 19 to improve the sealing performance of the connection between the outer shell 18 and the bottom shell 19.

[0034] A protrusion 27 is provided at the contact point between the rotating rod 16 and the piston 5 to reduce the friction between the rotating rod 15 and the piston 5, making the rotating rod 16 rotate more smoothly.

[0035] The bottom shell 19 is provided with a spring positioning and mounting groove, and the piston 5 is provided with a support plate for the spring 17 to abut against, which facilitates the positioning and stable installation of the spring 17, makes the release of the spring force of the spring 17 more stable, and is conducive to the stable reset of the piston 5.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A kitchen faucet that automatically discharges residual purified water upon being turned off, characterized in that: The faucet body is provided with a water mixing valve core on the right side, a pressing valve core on the left side, a water outlet pipe on the top, a piston capable of moving horizontally in the pressing valve core, a water passing pipe in the piston, a water outlet hole and a water inlet hole in the bottom of the pressing valve core, a water outlet pipe in the faucet body communicating with the water outlet hole, a water inlet pipe in the faucet body communicating with the water inlet hole, and a water outlet hole corresponding to the water outlet hole in the water passing pipe.

2. The kitchen faucet which is capable of automatically discharging residual clean water according to claim 1, wherein: The end of the water outlet pipe is provided with a water outlet nozzle.

3. The kitchen faucet which is capable of automatically discharging residual clean water according to claim 1, wherein: The end of the water outlet pipe is provided with a water outlet head, and the water outlet of the water mixing valve core communicates with the water outlet head through a water outlet pipe.

4. The kitchen faucet which can automatically discharge residual clean water according to claim 1, wherein: A pressing rod is installed in the pressing valve core, the pressing rod is connected with a rotating rod, the rotating rod abuts against the piston, and a spring abutting against the piston is installed in the pressing valve core.

5. The kitchen faucet which is capable of automatically discharging residual clean water according to claim 1, wherein: The pressing valve core comprises an outer shell and a bottom shell installed at the end of the outer shell.

6. The kitchen faucet which is capable of automatically discharging residual clean water according to claim 1, wherein: The outer side of the piston is respectively sleeved with a first O-shaped sealing rubber ring and a second O-shaped sealing rubber ring, and the first O-shaped sealing rubber ring and the second O-shaped sealing rubber ring are respectively arranged on both sides of the water outlet hole.

7. The kitchen faucet of claim 1, wherein: The outer side of the end of the water passing pipe is sleeved with a third O-shaped sealing rubber ring.

8. The kitchen faucet of claim 5, wherein: The end of the bottom shell is installed with a fourth O-shaped sealing rubber ring, the outer side of the outer shell is sleeved with a fifth O-shaped sealing rubber ring, and the outer side of the bottom shell is sleeved with a sixth O-shaped sealing rubber ring.

9. The kitchen faucet which can automatically discharge residual clean water according to claim 5, wherein: The connection part of the outer shell and the bottom shell is provided with a seventh O-shaped sealing rubber ring.

10. The kitchen faucet which can automatically discharge residual clean water according to claim 4, wherein: The contact part of the rotating rod and the piston is provided with a convex point.

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