Single lever swivel tap

Abstract

The utility model discloses a single handle formula rotary faucet belongs to faucet technical field, it includes main part and the drain bar of intercommunication setting in the main part one side, the valve core top buckle is connected with handle bar, handle bar is located the main part inside and penetrates the main part, and the torsional spring is connected between handle switch and fixed block, and the fixed block is installed with damping mechanism, the utility model discloses through rotating the handle switch of fixed block top, handle switch will drive the handle bar rotation in its inside, and torsional spring releases the elastic force, and drives handle switch to return, and handle bar and valve core also reset, at this moment, under the action of damping mechanism, the reverse rotation of rotating ring and blade in high viscosity liquid, make handle switch can slowly return to initial position, and the valve core gradually closes cold and hot water inlet, and the drain bar stops draining, if needing long time to drain, the user through always to handle switch exerting pressure, can avoid handle switch reset, keeps the state of draining.

Description

Technical Field

[0001] This utility model belongs to the field of faucet technology, specifically a single-handle rotary faucet. Background Technology

[0002] Single-handle rotary faucets are indispensable water control devices in homes and public places. Due to their ease of operation and small footprint, they are widely used in kitchens, bathrooms and other areas. Existing single-handle rotary faucets typically include core components such as the main body, valve core, and handle switch. Rotating the handle switch drives the valve core to rotate, thereby achieving the mixing and on / off control of hot and cold water.

[0003] Currently, while the single-handle rotary faucets on the market can meet basic water usage needs in terms of structural design, they still have many shortcomings in actual use:

[0004] Water waste: Most existing faucets are manually shut off. Users may forget to turn them off after using water temporarily (such as washing hands or getting a small amount of water) due to negligence or emergencies, resulting in "water not stopping when people leave". Especially when the water supply is interrupted, if the faucet is not turned off in time after the water supply is restored, it will cause a lot of water waste and may even cause floods.

[0005] Poor ease of operation: To ensure a tight seal when closed, some faucets have a valve core and valve body that fit tightly together, requiring a lot of force to open, which is not user-friendly for the elderly and children. At the same time, traditional faucets often shut off the water instantly when closed, which can easily cause water to splash due to the impact of the water flow, affecting the user experience.

[0006] Insufficient hygiene and durability: The faucet requires touching the handle switch again to turn it off, which may cause secondary contamination after hand cleaning, making it difficult to meet the hygiene needs of people with obsessive-compulsive disorder.

[0007] Poor functional adaptability: Existing faucets cannot simultaneously achieve automatic shut-off for short-term water use and stable continuous operation for long-term water use. If automatic control is achieved through complex electronic components, it is not only costly but also susceptible to environmental factors such as water quality and humidity, resulting in a high failure rate and making it difficult to popularize in various scenarios. Utility Model Content

[0008] To overcome the above-mentioned defects, this utility model provides a single-handle rotary faucet, which solves the problems mentioned in the background art.

[0009] To achieve the above objectives, this utility model provides the following technical solution: a single-handle rotary faucet, comprising a main body and a drain rod connected to one side of the main body, a connecting seat connected to the lower part of the main body, a valve core embedded in the connecting seat, a pressure cap threaded to the top of the connecting seat, the pressure cap being threaded to the main body, a hot and cold water inlet for use with the valve core being opened at the bottom of the connecting seat, a fixing block fixedly connected to the top of the main body, a handle rod snapped to the top of the valve core, the handle rod being located inside the main body and penetrating the main body, a handle switch movably connected to the top of the fixing block, the end of the handle rod being located inside the handle switch, a torsion spring connecting the handle switch and the fixing block, and a damping mechanism installed inside the fixing block;

[0010] The damping mechanism includes a liquid storage block, a rotating ring rotatably connected inside the liquid storage block, multiple sets of blades fixedly connected to the outside of the rotating ring, multiple sets of through holes opened on the blades, multiple sets of limiting blocks fixedly connected to the outside of the handle rod, a sliding groove for cooperating with the limiting blocks opened inside the rotating ring, the liquid storage block is filled with a high-viscosity liquid, and the through holes are funnel-shaped structures.

[0011] As a further embodiment of this utility model: a first sealing ring is sleeved on the outer side of the valve core for use with the connecting seat, and multiple sets of second sealing rings are sleeved on the outer side of the pressure cover, wherein the first sealing ring and the second sealing ring are made of rubber.

[0012] As a further embodiment of this utility model: the fixing block is fixedly connected to the handle switch with a locking block that works in conjunction with the torsion spring, and the fixing block and the main body are integrally formed.

[0013] As a further embodiment of this utility model: the liquid storage block is threadedly fixedly connected to the fixed block, the two ends of the rotating ring are fixedly connected with convex rings, the liquid storage block is provided with a movable groove that cooperates with the convex ring, and a sealing mechanism is provided between the convex ring and the movable groove.

[0014] As a further embodiment of this utility model: a bolt is threadedly connected between the handle switch and the handle rod, and a mounting hole is provided on one side of the handle switch.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. By rotating the handle switch on the top of the fixed block, the handle switch will drive the handle rod inside to rotate. Since the handle rod is snapped to the valve core, the valve core will rotate accordingly, and the hot and cold water inlets at the bottom of the connecting seat will open. The water flows through the valve core and the internal channel of the main body in sequence, and finally flows out from the drain rod connected to the main body. During the rotation of the handle switch, the torsion spring connected between the handle switch and the fixed block is twisted and stored. At the same time, the limiting block on the outside of the handle rod slides in the groove in the rotating ring, driving the rotating ring to rotate in the liquid storage block. The blades on the outside of the rotating ring also rotate in the high viscosity liquid in the liquid storage block. Since the through hole on the blade is a funnel-shaped structure, the liquid can pass through the through hole more smoothly when the handle switch is opened, so that the user does not need to apply more force when opening it.

[0017] 2. When the user releases the handle switch after use, the torsion spring releases its elasticity, causing the handle switch to rotate back. The handle rod and valve core also return to their original positions. At this time, under the action of the damping mechanism, the rotating ring and blade rotate in opposite directions in the high-viscosity liquid. The funnel-shaped through hole shows its obstruction effect on the liquid, allowing the handle switch to slowly return to its initial position. The valve core gradually closes the hot and cold water inlets, and the drain rod stops draining water. If long-term water draining is required, the user can prevent the handle switch from resetting and maintain the draining state by continuously applying pressure to the handle switch.

[0018] 3. The first and second sealing rings made of rubber effectively prevent water leakage, improve the faucet's waterproof performance, and extend its service life, thanks to their excellent elasticity and sealing properties. The locking block limits the torsion spring, ensuring its stable function and reliable automatic reset of the handle switch. The one-piece molded fixing block and main body enhance the overall structural strength, reduce component loosening during use, and improve the user experience. The threaded connection between the liquid storage block and the fixing block, as well as the sealing design of the rotating ring, ensure the normal operation of the damping mechanism and maintain the slow reset effect when the handle switch is closed. The firm connection between the handle switch and the handle rod ensures the effectiveness of operation, allowing users to smoothly control the opening and closing of the faucet. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0021] Figure 3 This is a schematic cross-sectional view of the damping mechanism of this utility model.

[0022] Figure 4 For the present utility model Figure 2 A magnified view of a portion of point A in the middle;

[0023] Figure 5 For the present utility model Figure 2 A magnified view of the partial effect at point B in the middle.

[0024] In the diagram: 1. Main body; 2. Drain rod; 3. Connecting seat; 4. Valve core; 5. Pressure cap; 6. Handle rod; 7. Fixing block; 8. Handle switch; 9. Liquid storage block; 10. Limiting block; 11. Rotating ring; 12. Blade; 13. Through hole; 14. Slide groove; 15. Protruding ring; 16. Movable groove; 17. Torsion spring; 18. Locking block; 19. First sealing ring; 20. Second sealing ring. Detailed Implementation

[0025] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0026] like Figures 1-5 As shown, this utility model provides a technical solution:

[0027] A single-handle rotary faucet includes a main body 1 and a drain rod 2 connected to one side of the main body 1. A connecting seat 3 is connected to the bottom of the main body 1. A valve core 4 is embedded in the connecting seat 3. A pressure cap 5 is threaded to the top of the connecting seat 3 and threaded to the main body 1. The bottom of the connecting seat 3 has a hot and cold water inlet for use with the valve core 4. A fixing block 7 is fixedly connected to the top of the main body 1. A handle rod 6 is snapped to the top of the valve core 4. The handle rod 6 is located inside the main body 1 and passes through the main body 1. A handle switch 8 is movably connected to the top of the fixing block 7. The end of the handle rod 6 is located inside the handle switch 8. A torsion spring 17 is connected between the handle switch 8 and the fixing block 7. A damping mechanism is installed inside the fixing block 7.

[0028] The damping mechanism includes a liquid storage block 9, a rotating ring 11 rotatably connected inside the liquid storage block 9, multiple sets of blades 12 fixedly connected to the outside of the rotating ring 11, multiple sets of through holes 13 opened on the blades 12, multiple sets of limiting blocks 10 fixedly connected to the outside of the handle rod 6, a sliding groove 14 for cooperating with the limiting block 10 opened inside the rotating ring 11, the liquid storage block 9 is filled with high viscosity liquid, and the through holes 13 have a funnel-shaped structure.

[0029] Specifically, during use, simply rotate the handle switch 8 on the top of the fixed block 7. The handle switch 8 will drive the handle rod 6 located inside it to rotate. Since the handle rod 6 is snapped together with the valve core 4, the valve core 4 will rotate accordingly. The hot and cold water inlets at the bottom of the connecting seat 3 will open, and the water will flow through the valve core 4 and the internal channel of the main body 1 in sequence, and finally be discharged from the drain rod 2 connected to the main body 1. During the rotation of the handle switch 8, the torsion spring 17 connected between the handle switch 8 and the fixed block 7 will be twisted and stored. At the same time, the limiting block 10 on the outside of the handle rod 6 will slide in the groove 14 inside the rotating ring 11, causing the rotating ring 11 to rotate inside the liquid storage block 9. The blade 12 on the outside of the rotating ring 11 will also rotate in the high viscosity liquid inside the liquid storage block 9. Since the through hole 13 on the blade 12 is a funnel-shaped structure, when the handle switch 8 is opened, the liquid can pass through the through hole 13 more smoothly, so that the user does not need to apply more force when opening it.

[0030] When the user releases the handle switch 8 after use, the torsion spring 17 releases its elastic force, causing the handle switch 8 to rotate back. The handle rod 6 and valve core 4 also reset. At this time, under the action of the damping mechanism, the rotating ring 11 and the blade 12 rotate in opposite directions in the high viscosity liquid. The funnel-shaped through hole 13 shows its obstruction effect on the liquid, allowing the handle switch 8 to slowly return to the initial position. The valve core 4 gradually closes the hot and cold water inlets, and the drain rod 2 stops draining. If long-term water draining is required, the user can prevent the handle switch 8 from resetting by constantly applying pressure to the handle switch 8, thus maintaining the draining state.

[0031] First, in response to the problem of water waste caused by some people forgetting to turn off the tap after turning it on in the existing technology, the damping mechanism and the torsion spring 17 work together so that the handle switch 8 can automatically return to the initial position to turn off the water source after being turned on, which fundamentally reduces the waste of water resources. Even if someone deliberately turns on the water to waste it, it is difficult to achieve this because the handle switch 8 will automatically reset.

[0032] Secondly, the combination of high-viscosity liquid and funnel-shaped through hole 13 allows the handle switch 8 to be opened without applying more force, making operation more effortless and convenient. Moreover, the handle switch 8 closes slowly when closed, avoiding splashing that may be caused by sudden interruption of water flow. In addition, for people with obsessive-compulsive disorder, there is no need to touch the handle switch 8 after washing hands, reducing the possibility of contact contamination and improving the hygiene of use.

[0033] The valve core 4 is fitted with a first sealing ring 19 for use with the connecting seat 3. The pressure cover 5 is fitted with multiple sets of second sealing rings 20. The first sealing ring 19 and the second sealing ring 20 are made of rubber. The fixing block 7 and the handle switch 8 are fixedly connected with a locking block 18 for use with the torsion spring 17. The fixing block 7 and the main body 1 are integrally formed. The liquid storage block 9 is threadedly fixedly connected to the fixing block 7. The rotating ring 11 is fixedly connected with convex rings 15 at both ends. The liquid storage block 9 is provided with a movable groove 16 for use with the convex ring 15. A sealing mechanism is provided between the convex ring 15 and the movable groove 16. The handle switch 8 and the handle rod 6 are threadedly connected with bolts. The handle switch 8 is provided with a mounting hole on one side.

[0034] Specifically, during installation, the first sealing ring 19 on the outer side of the valve core 4 fits tightly against the connecting seat 3. Multiple sets of second sealing rings 20 on the outer side of the gland 5 enhance the sealing between the gland 5, the connecting seat 3, and the main body 1, preventing leakage when water flows through. The fixing block 7 and the locking block 18 inside the handle switch 8 limit and fix the torsion spring 17, ensuring that the torsion spring 17 can stably store and release its elastic force when the handle switch 8 is rotated, guaranteeing the normal rotation and reset of the handle switch 8. Since the fixing block 7 and the main body 1 are integrally molded, the overall structural stability is improved. To reduce shaking during operation of the handle switch 8, the liquid storage block 9 and the fixed block 7 are threadedly connected for easy installation and maintenance. The convex rings 15 at both ends of the rotating ring 11 rotate within the movable groove 16 of the liquid storage block 9. Together with the sealing mechanism between the two, they prevent leakage of high-viscosity liquid in the liquid storage block 9 and ensure the normal operation of the damping mechanism. The handle switch 8 and the handle rod 6 are connected by bolts and threads for a firm connection, ensuring that the handle switch 8 can effectively drive the handle rod 6 to rotate. The mounting hole on one side of the handle switch 8 provides convenience for the installation of bolts and other components.

[0035] The first and second sealing rings 19 and 20, made of rubber, effectively prevent water leakage due to their good elasticity and sealing properties, improving the faucet's waterproof performance and extending its service life. The locking block 18 limits the torsion spring 17, ensuring the stable function of the torsion spring 17 and ensuring the reliable realization of the automatic reset function of the handle switch 8. The integrally molded fixing block 7 and the main body 1 enhance the overall structural strength, reduce component loosening during use, and improve the user experience. The threaded connection between the liquid storage block 9 and the fixing block 7 and the sealing design of the rotating ring 11 ensure the normal operation of the damping mechanism and maintain the slow reset effect when the handle switch 8 is closed. The firm connection between the handle switch 8 and the handle rod 6 ensures the effectiveness of operation, allowing users to smoothly control the opening and closing of the faucet.

[0036] The working principle of this utility model is as follows:

[0037] First, when the user turns the handle switch 8, the valve core 4 rotates through the handle rod 6, opening the hot and cold water inlets at the bottom of the connecting seat 3. Water flows through the main body 1 and is discharged from the drain rod 2. At the same time, the torsion spring 17 is twisted and stored. The limiting block 10 of the handle rod 6 drives the rotating ring 11 and the blade 12 to rotate in the high-viscosity liquid of the liquid storage block 9. The funnel-shaped through hole 13 reduces the opening resistance. After releasing the handle, the torsion spring 17 releases its elastic force to drive the handle switch 8 to rotate back. When the blade 12 rotates in the opposite direction, the funnel-shaped through hole 13 increases the liquid resistance, realizing the slow reset of the handle switch 8. Finally, the valve core 4 closes the water inlet.

[0038] Secondly, the first sealing ring 19 on the outside of the valve core 4 and the second sealing ring 20 on the outside of the gland 5 ensure the sealing of the connection part through the elasticity of the rubber material to prevent water leakage. The fixing block 7 is integrally formed with the main body 1 to enhance the structural stability. The locking block 18 limits the torsion spring 17 to ensure its storage and release stability and ensure the reliability of the automatic reset function.

[0039] It is worth mentioning that the threaded connection between the liquid storage block 9 and the fixed block 7 facilitates installation and maintenance. The convex ring 15 of the rotating ring 11 rotates in the movable groove 16 and cooperates with the sealing mechanism to prevent leakage of high-viscosity liquid and maintain the damping effect. The handle switch 8 and the handle rod 6 are connected by bolts. Combined with the design of the mounting hole, it ensures that the operating force is effectively transmitted and improves the control accuracy.

[0040] Finally, the overall structure achieves a balance of water conservation, convenience, and durability through the coordinated operation of its various parts. It solves the waste problem of forgetting to turn off the tap by automatically resetting, improves the user experience with its labor-saving design and slow closing, and extends the product's lifespan by sealing and fixing the structure, thus meeting the water needs of different scenarios.

[0041] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A single-handle rotary faucet, comprising a main body (1) and a drain rod (2) connected to one side of the main body (1), characterized in that: A connecting seat (3) is connected to the bottom of the main body (1). A valve core (4) is embedded in the connecting seat (3). A pressure cap (5) is threaded to the top of the connecting seat (3). The pressure cap (5) is threaded to the main body (1). A hot and cold water inlet is opened at the bottom of the connecting seat (3) to cooperate with the valve core (4). A fixing block (7) is fixedly connected to the top of the main body (1). A handle rod (6) is snapped to the top of the valve core (4). The handle rod (6) is located inside the main body (1) and passes through the main body (1). A handle switch (8) is movably connected to the top of the fixing block (7). The end of the handle rod (6) is located inside the handle switch (8). A torsion spring (17) is connected between the handle switch (8) and the fixing block (7). A damping mechanism is installed inside the fixing block (7). The damping mechanism includes a liquid storage block (9), a rotating ring (11) is rotatably connected inside the liquid storage block (9), a number of blades (12) are fixedly connected to the outside of the rotating ring (11), a number of through holes (13) are opened on the blades (12), a number of limiting blocks (10) are fixedly connected to the outside of the handle rod (6), a sliding groove (14) is opened inside the rotating ring (11) to cooperate with the limiting block (10), the liquid storage block (9) is filled with a high viscosity liquid, and the through hole (13) is a funnel-shaped structure.

2. A single-handle rotary faucet according to claim 1, characterized in that: The valve core (4) is fitted with a first sealing ring (19) for use with the connecting seat (3), and the pressure cap (5) is fitted with multiple sets of second sealing rings (20). The first sealing ring (19) and the second sealing ring (20) are made of rubber.

3. A single-handle rotary faucet according to claim 1, characterized in that: The fixing block (7) is fixedly connected to the handle switch (8) with a locking block (18) that works with the torsion spring (17). The fixing block (7) and the main body (1) are integrally formed.

4. A single-handle rotary faucet according to claim 1, characterized in that: The liquid storage block (9) is threadedly fixed to the fixed block (7). The rotating ring (11) has convex rings (15) fixedly connected at both ends. The liquid storage block (9) has a movable groove (16) that works with the convex ring (15). A sealing mechanism is provided between the convex ring (15) and the movable groove (16).

5. A single-handle rotary faucet according to claim 1, characterized in that: The handle switch (8) and the handle rod (6) are threaded together by a bolt, and a mounting hole is provided on one side of the handle switch (8).

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