Side-in and side-out water-saving faucet
By introducing a one-way vent pipe and air guide pipe structure into the water-saving faucet, combined with a spring-driven valve core and gear rack, the backwashing of the valve core and filter screen is automatically and slowly closed, solving the problem of impurity accumulation in existing water-saving faucets and improving ease of use and water-saving effect.
Patent Information
- Application Number
- CN202520332642.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing water-saving faucets tend to accumulate impurities during use, requiring manual disassembly and cleaning, which is time-consuming and labor-intensive.
The faucet features a side-inlet and side-outlet design, employing a one-way exhaust pipe and air guide pipe structure. Combined with a spring-driven valve core and filter screen, it automatically and slowly closes the valve core. The filter screen is automatically backwashed through a gear and rack structure to prevent the accumulation of impurities.
It enables automated cleaning of impurities from faucets, reduces the frequency of manual maintenance, and improves ease of use and water conservation.
Smart Images

Figure CN223895220U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to faucet technical field, in particular to side in side out water saving faucet. BACKGROUND
[0002] Faucet is common water flow switch control piece, in many occasions, in order to avoid the water pipe in the state of no one continuously water leading to water source waste, often connect a water saving faucet at the water outlet end of water pipe, the water saving faucet of existing structure is various, including mechanical and electronic.
[0003] The Chinese patent with the authorization announcement number and driving mechanism discloses a kind of intelligent bathroom faucet, it includes package shell, water mixing valve, piston and rotating shaft.Cold water access pipe, hot water access pipe and water outlet pipe are arranged on package shell, the utility model can be closed faucet when nobody uses and winter can actively heat the cold water in hot water pipe.
[0004] But the device still has the following shortcomings: impurities in tap water are easy to accumulate in faucet, which needs to be manually disassembled and cleaned, which is time-consuming and labor-intensive. UTILITY MODEL CONTENTS
[0005] The utility model aims at the problems in the background art, and proposes a side in side out water saving faucet.
[0006] The technical scheme of the utility model: side in side out water saving faucet, including shell, three-way valve A is arranged in shell, input end and output end are arranged on three-way valve A, water inlet pipe is arranged on shell and communicated with input end, one-way exhaust pipe and air guide pipe communicated with outside are arranged on three-way valve A;
[0007] Valve core, valve core is arranged in three-way valve A and slides along its radial direction, valve core is connected with valve rod, valve rod penetrates three-way valve A and shell and is slidably connected with them, and spring is sleeved on the outside of valve rod, and the two ends of spring are respectively abutted with the upper wall of three-way valve A and the upper end surface of valve core;
[0008] Adjusting handle, adjusting handle is connected with shell and drives valve rod to be connected;
[0009] Adapter, circular groove is arranged in adapter, water outlet hole and sewage outlet hole communicated with circular groove are arranged on adapter, water outlet pipe communicated with water outlet hole is arranged on adapter, sealing ring communicated with circular groove is arranged on adapter, sealing ring is rotatably connected with shell and communicated with the output end of three-way valve A;
[0010] Three-way valve B, three-way valve B is arranged in circular groove and rotates coaxially with it, three-way valve B includes water inlet, water outlet and alternative port, filter screen is arranged in water outlet;
[0011] And a driving mechanism is connected with the adapter, the driving mechanism drives the three-way valve B to rotate, and the three-way valve B is in a state that the water outlet is communicated with the sealing ring, the water inlet is closed, and the alternative port is communicated with the blowdown hole.
[0012] Preferably, the input end of the three-way valve A comprises side hole A and side hole B, the output end of the three-way valve A is provided with an adapter pipe, the number of the water inlet pipes is two, each water inlet pipe is communicated with the side hole A and the side hole B respectively, a rotating sleeve is movably arranged on the water inlet pipe, and a sealing cover is slidably arranged on the water inlet pipe.
[0013] Preferably, the sealing ring is arranged outside the adapter pipe and communicated with the inside of the adapter pipe.
[0014] Preferably, a sleeve pipe is arranged on the three-way valve A and rotatably connected with the shell, a spline groove is arranged on the inside of the sleeve pipe, a spline is arranged on the valve rod, the valve rod is located in the sleeve pipe, and the spline is slidably connected with the inner wall of the spline groove.
[0015] Preferably, the inner diameter of the one-way exhaust pipe is larger than the inner diameter of the air guide pipe.
[0016] Preferably, the driving mechanism comprises a gear, a rack and a tensioning assembly, the tensioning assembly comprises a spring rod, a guide groove is arranged on the adapter, a rotating shaft is arranged on the three-way valve B and coaxial with the three-way valve B, one end of the rotating shaft is inserted into the guide groove and rotatably connected with the adapter, the gear is located in the guide groove and coaxially connected with the rotating shaft, one end of the rack is inserted into the guide groove and slidably connected with the inner wall of the guide groove, the rack is engaged with the gear, and a limiting block is arranged on the side surface of the rack, and the fixed end of the spring rod is abutted with the inner wall of the guide groove, and the movable end of the spring rod is connected with the rack.
[0017] Preferably, a water outlet nozzle is arranged on the water outlet pipe and communicated with the inside of the water outlet pipe, the water outlet nozzle is rotatably connected with the water outlet pipe, and the rotating direction of the water outlet nozzle is perpendicular to the rotating direction of the water outlet pipe.
[0018] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:
[0019] By setting the one-way exhaust pipe and the air guide pipe on the three-way valve A, and setting the spring on the valve rod, the spring accumulates potential energy after the faucet is opened by the adjusting knob, and the air between the valve core and the cover on the three-way valve A is quickly exhausted, so that the opening of the faucet is little hindered, under the structure, when the adjusting knob is no longer forced, the spring releases the potential energy and pushes the valve core to gradually close, and at this time, because the air intake is very slow, the closing of the valve core is a slow process, avoiding the gap between the valve core and the inner wall of the three-way valve A due to impact; by setting the adapter, the three-way valve B, the gear, the rack and the tensioning assembly, when normal water is discharged, the filter screen in the water outlet of the three-way valve B traps impurities in the water, and when the impurities accumulate to a certain amount or the filter screen is blocked, the rack is pushed to drive the gear and the three-way valve B 15 to rotate, so that the high-speed flowing water back-flushes the filter screen to dredge, and the trapped impurities are flushed out along the blow-off port, without manual disassembly of the filter screen, which is time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a structural schematic view of an embodiment in the utility model;
[0021] Figure 2 It is a schematic view of the internal structure of the shell;
[0022] Figure 3 It is a schematic view of the internal structure of the adapter;
[0023] Figure 4 It is a schematic view of the connection structure of the three-way valve B and the driving assembly;
[0024] Figure 5 It is a schematic view of the structure of the three-way valve B and the tensioning assembly;
[0025] Figure 6 It is Figure 5 It is a schematic view of the structure of the three-way valve B.
[0026] Fig. 1 is a shell; 101, water inlet hole A; 102, water inlet hole B; 2, water inlet pipe; 3, rotating sleeve; 4, sealing cover; 5, three-way valve A; 51, side hole A; 52, side hole B; 6, adapter pipe; 7, valve core; 8, valve rod; 9, spring; 10, one-way exhaust pipe; 11, air guide pipe; 12, adjusting knob; 13, adapter; 131, circular groove; 132, water outlet hole; 133, blow-off hole; 134, guide groove; 14, sealing ring; 15, three-way valve B; 151, water inlet; 152, water outlet; 153, alternative port; 16, filter screen; 17, water outlet pipe; 18, water outlet nozzle; 19, gear; 20, rack; 21, limiting block; 22, tensioning assembly. DETAILED DESCRIPTION
[0027] Example One
[0028] As Figures 1-6The utility model discloses a side -in side -out water -saving faucet, including casing 1, valve element 7, adjusting handle 12, adapter 13, three -way valve B15 and drive mechanism. The casing 1 is provided with water inlet hole A101 and water inlet hole B102 with its inside communication, is provided with three -way valve A5 in the casing 1, is provided with input and output on three -way valve A5, the input of three -way valve A5 includes side hole A51 and side hole B52, and the output of three -way valve A5 sets up adapter pipe 6, and the number of water inlet pipe 2 is two, and two water inlet pipe 2 are communicated with water inlet hole A101 and water inlet hole B102 respectively, and water inlet hole A101 is matched with side hole A51 and is conducted, and water inlet hole B102 is matched with side hole B52 and is conducted, and the rotating sleeve 3 is movably arranged on the water inlet pipe 2, and the sealing cover 4 is slidably arranged on the water inlet pipe 2, and three -way valve A5 is provided with one -way exhaust pipe 10 and gas guide pipe 11 with the outside communication, wherein one -way exhaust pipe 10 one -way conduction three -way valve A5's inner chamber and the outside, and the inner diameter of one -way exhaust pipe 10 is greater than the inner diameter of gas guide pipe 11. Valve element 7 is arranged in three -way valve A5 and slides along its radial direction, and valve element 7 is connected with valve rod 8. Three -way valve A5 is provided with the sleeve pipe of rotation connection with casing 1, and the inside of sleeve pipe is provided with spline groove, and spline is arranged on valve rod 8, and valve rod 8 is located in sleeve pipe, and spline is slidably connected with the inner wall of spline groove. The outside of valve rod 8 is sleeved with spring 9, and spring 9 is located between the upper cover of three -way valve A5 and valve element 7, and the two ends of spring 9 are respectively abutted with the upper wall of three -way valve A5 and the upper end surface of valve element 7. Adjusting handle 12 is connected with casing 1 and drives the connection valve rod 8. The circular groove 131 is arranged in adapter 13, and the water outlet hole 132 and the drain hole 133 are arranged in adapter 13 and communicated with the circular groove 131, and the water outlet pipe 17 is arranged in adapter 13 and communicated with the water outlet hole 132, and the sealing ring 14 is arranged in adapter 13 and communicated with the circular groove 131, and the sealing ring 14 is covered and arranged on the outside of adapter pipe 6 and communicated with its inside. Three -way valve B15 is arranged in the circular groove 131 and rotates coaxially with it, and three -way valve B15 includes water inlet 151, water outlet 152 and alternative port 153, and filter screen 16 is arranged in water outlet 152. Drive mechanism is connected with adapter 13, and drive mechanism includes gear 19, rack 20 and tensioning assembly 22, and the tensioning assembly includes spring rod. The guide groove 134 is arranged on adapter 13, and the rotating shaft is arranged coaxially on three -way valve B15, and one end of rotating shaft is inserted into guide groove 134 and is rotationally connected with adapter 13, and gear 19 is located in guide groove 134 and is coaxially connected with rotating shaft. One end of rack 20 is inserted into guide groove 134 and is slidably connected with the inner wall thereof, and rack 20 is engaged with gear 19, and the side surface of rack 20 is provided with limit block 21. The fixed end of spring rod is abutted with the inner wall of guide groove 134, and the movable end of spring rod is connected with rack 20. Drive mechanism drives three -way valve B15 to rotate, and three -way valve B15 is communicated with sealing ring 14 in the state of rotating to water outlet 152, and water inlet 151 is closed, and alternative port 153 is communicated with drain hole 133.
[0029] In the embodiment, when the adjusting handle 12 is lifted, the adjusting handle drives the valve rod 8 to go up and drives the valve core 7 to go up, at this time, the air between the upper cover and the valve core 7 in the one-way valve A5 is quickly discharged along the one-way exhaust pipe 10 and the air guide pipe 11, and the spring 9 is compressed, the valve core 7 goes up so that the side hole A51 and the side hole B52 are respectively communicated with the water inlet hole A101 and the water inlet hole B102, the water in the water supply pipeline enters the three-way valve A5 inside along the water inlet pipe 2, the water inlet hole A101 and the water inlet hole B102 and enters the adapter 13 from the adapter pipe 6, the water enters the three-way valve B15 from the water inlet 151 in the adapter 13 and flows out from the water outlet 152, the water flowing out from the water outlet 152 enters the water outlet pipe 17, and then the water outlet pipe 17 discharges water, after the adjusting handle 12 is loosened, the spring 9 releases the tension and pushes the valve core 7 down, during the process, the external air can only enter the upper chamber of the three-way valve A5 along the small air guide pipe 11, so that the valve core 7 slowly drops until the side hole A51 and the side hole B52 are completely closed to achieve water stop. In the process of use, the two water inlet pipes 2 are respectively connected with cold water and hot water, the proportion of cold water and hot water can be adjusted by rotating the adjusting handle 12, and the flow of water can be adjusted by changing the pitch angle of the adjusting handle 12. In the process of discharging water, the impurities in the water are intercepted by the filter screen 16 and retained in the three-way valve B15, when the water flow is too small due to the blockage of impurities, the rack 20 only needs to be pressed, the rack 20 slides to drive the spring rod to contract and store energy, and the sliding rack 20 drives the gear 19 and the three-way valve B15 to rotate, so that the water outlet 152 is communicated with the sealing ring 14, at this time, the water inlet 152 is closed, the alternative port 153 is communicated with the blow-off hole 133, and the water outlet is opened, the water quickly back-flushes the filter screen 16 and discharges the previously intercepted impurities along the blow-off hole 133, after the blow-off is completed, the hand is loosened, the spring rod releases the tension potential energy and pushes the rack 20 back to slide until the limiting block 21 abuts against the side wall of the guide groove 134, the back-sliding rack 20 drives the gear 19 and the three-way valve B15 to rotate back to reset, that is, the water inlet 151 is restored to water inlet and the water outlet 152 is restored to water outlet.
[0030] Embodiment two
[0031] As Figure 1 shown, the side-in and side-out water-saving faucet is provided with the water outlet nozzle 18 communicated with the inside of the water outlet pipe 17, the water outlet nozzle 18 is rotationally connected with the water outlet pipe 17, and the rotating direction of the water outlet nozzle 18 is perpendicular to the rotating direction of the water outlet pipe 17.
[0032] In the embodiment, the rotating direction of the water outlet pipe 17 is the horizontal direction, and the rotating direction of the water outlet nozzle 18 is the vertical direction, by increasing the water outlet nozzle 18, the water outlet direction of the faucet in the vertical direction can be directly adjusted, which is convenient for washing face or washing head and the like.
[0033] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.
Claims
1. A side-inlet, side-outlet faucet, characterized in that: include The housing (1) is equipped with a three-way valve A (5), an input end A and an output end are provided on the three-way valve A (5), a water inlet pipe (2) connected to the input end is provided on the housing (1), and a one-way exhaust pipe (10) and a vent pipe (11) connected to the outside are provided on the three-way valve A (5). Valve core (7) is installed inside the three-way valve A (5) and slides radially therein. Valve core (7) is connected to valve stem (8). Valve stem (8) passes through the three-way valve A (5) and the housing (1) and slides therein. A spring (9) is sleeved on the outside of valve stem (8). The two ends of spring (9) abut against the upper wall of the three-way valve A (5) and the upper end face of valve core (7) respectively. Adjusting handle (12), the adjusting handle (12) is connected to the housing (1) and drives the connecting valve stem (8); The adapter (13) has a circular groove (131) inside, a water outlet (132) and a drain hole (133) communicating with the circular groove (131) on the adapter (13), a water outlet pipe (17) communicating with the water outlet (132) on the adapter (13), and a sealing ring (14) communicating with the circular groove (131) on the adapter (13). The sealing ring (14) is rotatably connected to the housing (1) and communicates with the output end of the three-way valve A (5). Three-way valve B (15) is set in the circular groove (131) and rotates coaxially with it. The three-way valve B (15) includes an inlet (151), an outlet (152) and a backup port (153). A filter screen (16) is set in the outlet (152). And a drive mechanism, which is connected to the adapter (13). The drive mechanism drives the three-way valve B (15) to rotate. When the three-way valve B (15) is rotated to the state where the outlet (152) is connected to the sealing ring (14), the inlet (151) is closed, and the alternative port (153) is connected to the drain hole (133).
2. The side-inlet, side-outlet faucet according to claim 1, characterized in that, The input end of the three-way valve A (5) includes a side hole A (51) and a side hole B (52). The output end of the three-way valve A (5) is provided with a transfer pipe (6). There are two water inlet pipes (2). Each water inlet pipe (2) is connected to the side hole A (51) and the side hole B (52) respectively. A rotating sleeve (3) is movably provided on the water inlet pipe (2). A sealing cover (4) is slidably provided on the water inlet pipe (2).
3. The side-inlet, side-outlet faucet according to claim 2, characterized in that, The sealing ring (14) covers the outside of the adapter pipe (6) and communicates with its interior.
4. The side-inlet, side-outlet faucet according to claim 1, characterized in that, The three-way valve A (5) is provided with a sleeve that is rotatably connected to the housing (1). A spline groove is provided on the inner side of the sleeve. A spline is provided on the valve stem (8). The valve stem (8) is located inside the sleeve, and the spline is slidably connected to the inner wall of the spline groove.
5. The side-inlet, side-outlet faucet according to claim 1, characterized in that, The inner diameter of the one-way exhaust pipe (10) is larger than the inner diameter of the air guide pipe (11).
6. The side-inlet, side-outlet faucet according to claim 1, characterized in that, The drive mechanism includes a gear (19), a rack (20), and a tensioning assembly (22). The tensioning assembly includes a spring rod. A guide groove (134) is provided on the adapter (13). A rotating shaft coaxial with the three-way valve B (15) is provided on the three-way valve B. One end of the rotating shaft is inserted into the guide groove (134) and rotatably connected to the adapter (13). The gear (19) is located in the guide groove (134) and coaxially connected to the rotating shaft. One end of the rack (20) is inserted into the guide groove (134) and slidably connected to its inner wall. The rack (20) meshes with the gear (19), and a limiting block (21) is provided on the side of the rack (20). The fixed end of the spring rod abuts against the inner wall of the guide groove (134), and the movable end of the spring rod is connected to the rack (20).
7. The side-inlet, side-outlet faucet according to claim 1, characterized in that, A water outlet nozzle (18) is provided on the water outlet pipe (17) and communicates with its interior. The water outlet nozzle (18) is rotatably connected to the water outlet pipe (17), and the rotation direction of the water outlet nozzle (18) is perpendicular to the rotation direction of the water outlet pipe (17).