Double-waterway drawing faucet
By designing a dual waterway pulling faucet, the problem that traditional pulling faucets cannot provide both ordinary water flow and drinking water flow is solved, and a dual waterway system in a faucet is realized, which avoids interference during use and space occupation problems, and improves water use flexibility and efficiency.
Patent Information
- Application Number
- CN202421183076.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-25
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-25
AI Technical Summary
Traditional pull-out faucets cannot provide both ordinary water flow and drinking water flow, resulting in poor aesthetics and space utilization when basin layout, and the two faucets are easily interfered with each other when used.
A dual waterway extraction faucet is designed, a dual waterway system containing ordinary water flow and drinking water flow. The water flow distribution and control is achieved through the valve core and the water inlet pipe to ensure that the waterway inside the faucet is compact and does not interfere with each other.
A faucet supports the output of both ordinary water flow and drinking water flow, avoiding interference problems during use of double faucets, while ensuring the separation and sealing of water sources, improving the flexibility and efficiency of water use.
Smart Images
Figure CN222277545U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a pull-out faucet, in particular to a double-water-channel pull-out faucet. Background Art
[0002] A pull-out faucet refers to a faucet that can be used by pulling the faucet spout out of the faucet body through a water hose. While the position of the faucet spout can be changed at will, the water outlet angle can be effectively adjusted according to the actual needs of the user to meet different water use conditions.
[0003] When the pull-out faucet is in use, the valve core in the pull-out faucet can be opened through the handle, so that the water in the water pipe connected to the pull-out faucet flows into the pull-out faucet through the valve core, and finally sprays out from the faucet mouth for use. The water flow provided by the water pipe is ordinary water flow. As the users' requirements for water quality continue to increase, sometimes drinking water is needed. Drinking water can be used for direct drinking, and can also be used to wash fruits, vegetables and other foods to ensure the cleanliness of the food. The traditional pull-out faucet does not have a dual-water supply structure and cannot provide ordinary water flow and drinking water at the same time. If a faucet for drinking water outlet is set separately, it will not only affect the aesthetics, but also take up a lot of space, which is not conducive to the layout of the faucet on the basin. If two faucets are distributed adjacent to each other, although the water outlet positions of the two faucets can be controlled at the center of the basin, the handles of the two faucets will interfere with each other during operation, which is not conducive to use. Summary of the invention
[0004] The utility model aims to solve the existing technical problem and provide a double-water-path pull-out faucet, which can simultaneously have a water path for conveying ordinary water flow and a water path for conveying drinking water, thereby realizing double-water-path water delivery and effectively avoiding the situation where the double-faucet water supply causes mutual interference when the two faucets are in use.
[0005] The technical solution adopted by the utility model to solve the above technical problems is:
[0006] The utility model discloses a double-water-path pull-out faucet, comprising a faucet body, a valve core hole arranged on the upper end surface of the faucet body and a valve core arranged in the valve core hole, a handle matching the valve core is arranged above the faucet body, a water outlet joint matching the valve core hole is arranged on the left side of the upper part of the faucet body, a plurality of water inlet pipes matching the valve core are arranged at the lower end of the valve core, the water inlet pipes downwardly pass out of the faucet body, an auxiliary joint is arranged on the left side of the lower part of the faucet body, a pull-out pipe is arranged in the faucet body, the upper end of the pull-out pipe is bent to the left, passes into the auxiliary joint and is connected with a pull-out spray head, the lower end of the pull-out pipe downwardly passes out of the faucet body, a water spout communicating with the internal space of the pull-out spray head is arranged on the lower surface of the pull-out spray head; a screw joint communicating with the internal space of the pull-out spray head is arranged at the center of the right end surface of the pull-out spray head; a pull-out pipe is arranged at the upper end A screw connection portion screwed onto the outside of the screw joint; a backflow prevention structure matching with it is provided inside the screw joint; a faucet neck is screwed onto the left end of the water outlet joint; a screw hole communicating with its internal space is provided on the lower surface of the left end of the faucet neck; a water pipe matching with it is screwed onto the screw hole; an annular lower limit portion is provided on the outer wall of the lower part of the water pipe; a sealing seat coaxial with the water pipe is provided on the upper surface of the pull-out spray head; a sealing hole is provided at the center of the upper surface of the sealing seat; a water inlet hole communicating with the internal space of the pull-out spray head is provided at the center of the bottom of the sealing hole; a movable sleeve matching with it is provided inside the sealing hole, and the upper end of the movable sleeve passes upwardly out of the sealing hole and is sleeved on the outside of the lower limit portion; a reset structure matching with the lower limit portion is provided inside the lower part of the movable sleeve.
[0007] The reset structure comprises a limit ring arranged on the inner wall of the lower end of the movable sleeve, and the inner hole of the limit ring is coaxial with the water inlet hole; a reset spring is arranged outside the lower end of the water pipe between the upper surface of the limit ring and the lower surface of the lower limit part.
[0008] An annular sealing groove is arranged on the inner wall of the sealing hole; a sealing ring matching with the sealing groove is arranged in the sealing groove.
[0009] The outer wall of the upper end of the movable sleeve is provided with a force applying plate.
[0010] An upper limit portion which fits with the lower surface of the faucet neck is arranged outside the upper part of the water passage pipe.
[0011] The anti-backflow structure includes a mounting seat screwed into the screw joint; a water inlet hole is provided at the center of the right end face of the mounting seat; a plurality of water outlet holes evenly distributed in a circle are provided on the left end face of the mounting seat, and the water outlet holes are connected with the water inlet hole; a guide rod is provided at the center of the bottom of the water inlet hole; a coaxial opening and closing block is provided at the center of the right part of the water inlet hole; the opening and closing block is truncated, and the diameter of the opening and closing block gradually decreases toward the left; a guide hole axially penetrating through the opening and closing block is provided at the center; an annular screw connection groove is provided on the inner wall of the opening at the right end of the water inlet hole; a water inlet plate matching with it is screwed into the screw connection groove, and a center hole is provided in the center of the water inlet plate; the right end of the guide rod passes through the guide hole to the right and penetrates into the center hole; a set of opening and closing springs outside the guide rod is provided between the left end face of the opening and closing block and the bottom of the water inlet hole; the right end face of the opening and closing block shields and seals the opening at the left end of the center hole; there is a water inlet gap between the outer wall of the right end of the opening and closing block and the inner wall of the water inlet hole.
[0012] The middle part of the water inlet hole is a regular hexagon; the center hole is a regular hexagon.
[0013] A connecting hole is arranged at the center of the bottom of the water inlet hole; the left end of the guide rod is screwed into the connecting hole.
[0014] The beneficial effects of the utility model are:
[0015] Compared with the prior art, the dual-water-path pull-out faucet adopting the structure of the utility model can convey ordinary water flow to the pull-out spray head through the faucet neck, and can also introduce drinking water into the pull-out spray head through the pull-out pipe. Finally, according to actual needs, ordinary water flow or drinking water can be sprayed out from the water nozzle to the outside for use. At the same time, the pull-out pipe for connecting to the water source of drinking water and the water inlet pipe for connecting to the water source of ordinary water flow are both accommodated in the faucet body, so that one faucet has both a water path for conveying ordinary water flow and a water path for conveying drinking water, realizing dual-water-path water delivery, and effectively avoiding the situation where the two faucets interfere with each other when being used due to the water supply of the dual faucets. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of the double-waterway pull-out faucet of the utility model;
[0017] Figure 2 yes Figure 1 An enlarged view of part A;
[0018] Figure 3 yes Figure 1 An enlarged view of part B. DETAILED DESCRIPTION
[0019] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0020] See also Figures 1 to 3The utility model provides a double-water-way pull-out faucet, comprising a faucet body 1, a valve core hole 2 arranged on the upper end surface of the faucet body 1, and a valve core 3 arranged in the valve core hole 2. A handle 4 matching the valve core 3 is arranged above the faucet body 1. A water outlet joint 5 matching the valve core hole 2 is arranged on the upper left side of the faucet body 1. A plurality of water inlet pipes 6 matching the valve core hole 2 are arranged at the lower end of the valve core 3. The water inlet pipes 6 pass downwardly out of the faucet body 1. An auxiliary joint 7 is arranged on the lower left side of the faucet body 1. A pull-out pipe 8 is arranged in the faucet body 1. The upper end of the pull-out pipe 8 bends to the left and passes into the auxiliary joint 7 and is connected with a pull-out spray head 9. The lower end of the pull-out pipe 8 passes downward out of the faucet body 1. A water nozzle 10 communicating with the internal space thereof is arranged on the lower surface of the pull-out spray head 9. A screw joint 11 communicating with the internal space thereof is arranged at the center of the right end surface of the pull-out spray head 9. A screw joint 11 is arranged on the upper end of the pull-out pipe 8 and is screwed to the screw joint 11. The outer screw connection part 12 is provided; the screw joint 11 is provided with a matching anti-backflow structure; the left end of the water outlet joint 5 is screwed with a faucet neck 13; the lower surface of the left end of the faucet neck 13 is provided with a screw hole 14 which is connected with the internal space thereof; the screw hole 14 is screwed with a water pipe 15 which is matched with it; the lower outer wall of the water pipe 15 is provided with an annular lower limit part 16; the upper surface of the pull-out nozzle 9 is provided with a sealing seat 17 which is coaxial with the water pipe 15; the center of the upper surface of the sealing seat 17 is provided with a sealing hole 18; the center of the bottom of the sealing hole 18 is provided with a water inlet hole 19 which is connected with the internal space of the pull-out nozzle 9; the sealing hole 18 is provided with a matching movable sleeve 20, the upper end of which passes upward to the outside of the sealing hole 18 and is sleeved on the outside of the lower limit part 16; the lower part of the movable sleeve 20 is provided with a reset structure which matches the lower limit part 16.
[0021] The reset structure includes a limit ring 21 arranged on the inner wall of the lower end of the movable sleeve 20, and the inner hole of the limit ring 21 is coaxial with the water inlet hole 19; a reset spring 22 is arranged outside the lower end of the water pipe 15 between the upper surface of the limit ring 21 and the lower surface of the lower limit part 16.
[0022] An annular sealing groove 23 is disposed on the inner wall of the sealing hole 18 ; a matching sealing ring 24 is disposed in the sealing groove 23 .
[0023] The outer wall of the upper end of the movable sleeve 20 is provided with a force applying plate 25 .
[0024] The upper portion of the water pipe 15 is provided with an upper limit portion 26 that fits with the lower surface of the faucet neck 13 .
[0025] The anti-backflow structure includes a mounting seat 27 screwed into the screw joint 11; a water inlet 28 is provided at the center of the right end face of the mounting seat 27; a plurality of water outlet holes 29 are evenly distributed in a circumference at the left end face of the mounting seat 27, and the water outlet holes 29 are connected with the water inlet 28; a guide rod 30 is provided at the center of the bottom of the water inlet 28; a start-and-stop block 31 coaxial with the water inlet 28 is provided at the center of the right part of the water inlet 28; the start-and-stop block 31 is truncated, and the diameter of the start-and-stop block 31 gradually decreases toward the left; a guide hole 32 is provided at the center of the start-and-stop block 31 axially penetrating the start-and-stop block 31; An annular screw groove 33 is provided on the inner wall of the right end of the water inlet hole 28; a water inlet plate 34 matching with it is screwed into the screw groove 33, and a center hole 35 is provided in the center of the water inlet plate 34; the right end of the guide rod 30 passes through the guide hole 32 to the right and penetrates into the center hole 35; a set of opening and closing springs 36 outside the guide rod 30 is provided between the left end face of the opening and closing block 31 and the bottom of the water inlet hole 28; the right end face of the opening and closing block 31 shields and seals the left end of the center hole 35; there is a water inlet gap 37 between the outer wall of the right end of the opening and closing block 31 and the inner wall of the water inlet hole 28.
[0026] The middle portion of the water inlet hole 28 is in the shape of a regular hexagon; the center hole 35 is in the shape of a regular hexagon.
[0027] A connecting hole 39 is provided at the center of the bottom of the water inlet hole 28 ; the left end of the guide rod 30 is screwed into the connecting hole 39 .
[0028] The method of using the utility model is as follows:
[0029] Several water inlet pipes 6 can be used to connect cold water pipes and hot water pipes, and the pull-out pipe 8 can be directly connected to a source of drinking water. When drinking water is needed, the source of drinking water can be directly opened. At this time, the drinking water will flow along the pull-out pipe 8 to the center hole. Driven by the subsequent water flow, the water flow will push the right end face of the opening and closing block 31 to the right. At this time, the opening and closing block 31 moves to the left along the trajectory of the guide rod 30 to compress the opening and closing spring 36. The right end face of the opening and closing block 31 no longer blocks and seals the left end opening of the center hole 35. Drinking water can flow into the water inlet gap 37 through the gap between the right end face of the opening and closing block 31 and the left side wall of the water inlet plate 34, and then flows into the water inlet hole 28, and finally flows into the pull-out nozzle 9 through the water outlet hole 29, and then flows out to the outside through the water nozzle 10 for use.
[0030] When ordinary water flow is needed, the water source of drinking water is not opened, but the valve core 3 is opened by the handle 4. At this time, the water flow in the water inlet pipe 6 will enter the water outlet joint 5 through the internal channel of the valve core 3, and then enter the faucet neck 13. The ordinary water flow that has flowed into the faucet neck 13 will enter the movable sleeve 20 through the water pipe 15, and will flow into the pull-out nozzle 9 through the inner hole of the limit ring 21 and the water inlet hole 19 in turn, and finally flow out to the outside through the water nozzle 10 for use. The ordinary water flows through the pull-out nozzle. 9, even if ordinary water flows into the water inlet 28 through the water outlet 29, it will be blocked by the opening and closing block 31, so that it cannot flow into the pull-out pipe 8 through the center hole 35, effectively avoiding pollution to the pull-out pipe 8. If the pull-out nozzle 9 and the water nozzle 10 deliver ordinary water flow and it is felt that the drinking water sprayed from the water nozzle 10 later is not clean enough, the first drinking water sprayed from the water nozzle 10 can be directly not used. The first drinking water can be used to flush the inside of the pull-out nozzle 9 and the water nozzle 10 clean to ensure the purity of the subsequent drinking water.
[0031] In summary, the utility model can convey ordinary water flow to the pull-out nozzle 9 through the faucet neck 13, and can also introduce drinking water into the pull-out nozzle 9 through the pull-out pipe 8. Finally, according to actual needs, ordinary water flow or drinking water can be sprayed out from the water nozzle 10 to the outside for use. At the same time, the pull-out pipe 8 for connecting to the water source of drinking water and the water inlet pipe 6 for connecting to the water source of ordinary water flow are both accommodated in the faucet body 1, so that one faucet has both a water path for conveying ordinary water flow and a water path for conveying drinking water, realizing dual-water-path water delivery, and effectively avoiding the situation where the two faucets interfere with each other when being used due to the water supply of the double faucets.
[0032] When drinking water is used, the valve core 3 is in a closed state. Therefore, even if the drinking water in the pull-out spray head 9 enters the faucet neck 13 through the water pipe, it will be trapped in the faucet neck 13 and cannot continue to flow.
[0033] When the pull-out faucet is actually used, it is very likely that the pull-out spray head 9 will be pulled out from the auxiliary joint 7 to change the water outlet position. At this time, the movable sleeve 20 can be pushed upward by the force plate 25. The existence of the force plate 25 makes it easier for the user to apply force to the movable sleeve 20. At this time, the movable sleeve 20 moves upward under the guidance of the outer wall of the lower limit portion 16, and finally the lower end of the movable sleeve 20 is separated from the upper end of the sealing hole 18. At this time, the pull-out spray head 9 is no longer restricted, and the user can pull the pull pipe 8 out of the auxiliary joint 7 by holding the pull-out spray head 9, realizing the pull-out spray head 9. The multi-angle rotation is convenient for water use. After the water is used, the screw connection part 12 is returned to the auxiliary joint 7, and then the force plate 25 can be loosened. At this time, the movable sleeve 20 is quickly reset under the elastic action of the reset spring 22, and fits with the bottom of the sealing hole 18 again to achieve the positioning and fixation of the pull-out nozzle 9. In order to facilitate the use of the pull-out nozzle 9 when pulling it out, a T-shaped rubber sealing plug can be used to block and seal the sealing hole 18. When the user holds the pull-out nozzle 9 to move it, the upper end surface of the rubber sealing plug can be pressed downward to effectively ensure the sealing of the sealing hole 18 at this time.
[0034] An annular sealing groove 23 is provided on the inner wall of the sealing hole 18 , and a matching sealing ring 24 is provided in the sealing groove 23 . The presence of the sealing ring 24 can effectively improve the sealing between the outer wall of the movable sleeve 20 and the inner wall of the sealing hole 18 .
[0035] The upper portion of the water pipe 15 is provided with an upper limit portion 26 that fits with the lower surface of the faucet neck 13. The upper limit portion 26 can play a positioning effect when the upper portion of the water pipe 15 is screwed into the screw hole 14, thereby facilitating the positioning of other components.
[0036] The middle part of the water inlet hole 28 is a regular hexagon, and the center hole 35 is a regular hexagon. Both the water inlet hole 28 and the center hole 35 can be matched with an inner hexagon wrench, so that the mounting seat 27 and the water inlet plate 34 can be rotated by the inner hexagon wrench, which is beneficial to the disassembly and assembly of the mounting seat 27 and the water inlet plate 34.
[0037] A connecting hole 39 is provided at the center of the bottom of the water inlet hole 28, and the left end of the guide rod 30 is screwed into the connecting hole 39. This fixing method facilitates the disassembly and assembly of the guide rod 30, thereby facilitating the disassembly and assembly of other components.
Claims
1. A dual-waterway pull-out faucet, comprising a faucet body, a valve core hole provided on the upper end surface of the faucet body, and a valve core provided in the valve core hole, a handle matching the valve core is provided above the faucet body, a water outlet joint matching the valve core hole is provided on the left side of the upper part of the faucet body, a plurality of water inlet pipes matching therewith are provided at the lower end of the valve core, the water inlet pipes pass downwardly out of the faucet body, an auxiliary joint is provided on the left side of the lower part of the faucet body, a pull-out pipe is provided in the faucet body, the upper end of the pull-out pipe is bent to the left, passes into the auxiliary joint and is connected to a pull-out spray head, and the lower end of the pull-out pipe passes downwardly out of the faucet body, characterized in that: The lower surface of the pull-out spray head is provided with a water nozzle which is connected with its internal space; the center of the right end surface of the pull-out spray head is provided with a screw joint which is connected with its internal space; the upper end of the pull-out pipeline is provided with a screw connection part which is screwed to the outside of the screw joint; the screw joint is provided with an anti-backflow structure which matches it; the left end of the water outlet joint is screwed with a faucet neck; the lower surface of the left end of the faucet neck is provided with a screw hole which is connected with its internal space; the screw hole is screwed with a water pipe which matches it; the outer wall of the lower part of the water pipe is provided with an annular lower limit part; the upper surface of the pull-out spray head is provided with a sealing seat which is coaxial with the water pipe; the center of the upper surface of the sealing seat is provided with a sealing hole; the center of the bottom of the sealing hole is provided with a water inlet hole which is connected with the internal space of the pull-out spray head; the sealing hole is provided with a movable sleeve which matches it, and the upper end of the movable sleeve passes upward to the outside of the sealing hole and is sleeved on the outside of the lower limit part; the lower part of the movable sleeve is provided with a reset structure which matches the lower limit part.
2. A dual-waterway pull-out faucet according to claim 1, characterized in that: The reset structure comprises a limit ring arranged on the inner wall of the lower end of the movable sleeve, and the inner hole of the limit ring is coaxial with the water inlet hole; a reset spring is arranged outside the lower end of the water pipe between the upper surface of the limit ring and the lower surface of the lower limit part.
3. A dual-waterway pull-out faucet according to claim 2, characterized in that: An annular sealing groove is arranged on the inner wall of the sealing hole; a sealing ring matching with the sealing groove is arranged in the sealing groove.
4. A dual-waterway pull-out faucet according to claim 2, characterized in that: The outer wall of the upper end of the movable sleeve is provided with a force applying plate.
5. The dual-waterway pull-out faucet according to claim 1, characterized in that: An upper limit portion which fits with the lower surface of the faucet neck is arranged outside the upper part of the water passage pipe.
6. The dual-waterway pull-out faucet according to claim 1, characterized in that: The anti-backflow structure includes a mounting seat screwed into the screw joint; a water inlet hole is provided at the center of the right end face of the mounting seat; a plurality of water outlet holes evenly distributed in a circle are provided on the left end face of the mounting seat, and the water outlet holes are connected with the water inlet hole; a guide rod is provided at the center of the bottom of the water inlet hole; a coaxial opening and closing block is provided at the center of the right part of the water inlet hole; the opening and closing block is truncated, and the diameter of the opening and closing block gradually decreases toward the left; a guide hole axially penetrating through the opening and closing block is provided at the center; an annular screw connection groove is provided on the inner wall of the opening at the right end of the water inlet hole; a water inlet plate matching with it is screwed into the screw connection groove, and a center hole is provided in the center of the water inlet plate; the right end of the guide rod passes through the guide hole to the right and penetrates into the center hole; a set of opening and closing springs outside the guide rod is provided between the left end face of the opening and closing block and the bottom of the water inlet hole; the right end face of the opening and closing block shields and seals the opening at the left end of the center hole; there is a water inlet gap between the outer wall of the right end of the opening and closing block and the inner wall of the water inlet hole.
7. A dual-waterway pull-out faucet according to claim 6, characterized in that: The middle part of the water inlet hole is a regular hexagon; the center hole is a regular hexagon.
8. The dual-waterway pull-out faucet according to claim 6, characterized in that: A connecting hole is arranged at the center of the bottom of the water inlet hole; the left end of the guide rod is screwed into the connecting hole.