A faucet with a concealed handle

Abstract

The utility model discloses a faucet of hidden handle, its technical scheme main points include faucet body, the faucet body includes water inlet portion, water outlet portion, respectively with water outlet portion and water inlet portion swing joint's operating part, water outlet portion can relatively operating part carry out multi -freedom degree rotation change water outlet direction, operating part can relatively water inlet portion and water outlet portion relative rotation, control water inlet portion flow to water outlet portion's water flow size. The utility model discloses a water outlet portion is designed as relatively operating part multi -freedom degree rotation's structure, when the water pipe connected in water outlet portion is subjected to lateral pull, water outlet portion can rotate with it to comply with the tension direction to avoid the rigid bending of water pipe at the joint. Prevented the water pressure rise, the water outlet is not smooth or the joint loosening due to the water pipe bending, improved the reliability and safety, through the setting of the shell, through the rotation shell realizes the opening, the closing and the flow size control of water flow, has saved the installation space.

Description

Technical Field

[0001] This utility model relates to the field of water tap technology, and more specifically to a tap with a concealed handle. Background Technology

[0002] Currently, traditional faucets, as a common fluid control device, are widely used in homes and public places. They typically consist of a faucet body, a fixed spout, and a handle or valve control mechanism separate from the spout. Users adjust the valve opening by rotating the handle, thereby controlling the flow of water, while the direction of water flow is usually determined by the fixed spout.

[0003] However, the aforementioned existing technologies still have some drawbacks. Traditional faucets usually have the handle located on the side or top, which can restrict the range of rotation when the installation space is narrow or close to obstacles such as walls or cabinets. In addition, when users draw water from a distance via a connecting pipe, the outlet is prone to bending due to pulling, causing the water pressure at that connection point to increase, which not only affects the water flow but may also lead to the pipe coming loose unexpectedly. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the present invention provides a faucet with a hidden handle.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a faucet body, the faucet body including a water inlet, a water outlet, and an operating part movably connected to the water outlet and the water inlet respectively; the water outlet can rotate relative to the operating part with multiple degrees of freedom to change the water outlet direction; the operating part can rotate relative to the water inlet and the water outlet to control the water flow from the water inlet to the water outlet.

[0006] The present invention is further configured such that: the operating part includes an outer shell sleeved on the outside of the water inlet and an inner core disposed inside the water inlet; rotating the outer shell can drive the inner core to move, thereby realizing the opening, closing or flow regulation of the water flow.

[0007] The present invention is further configured such that: the inner core includes a fixed part, a rotating part, and an elastic body; the end faces of the rotating part and the fixed part abut against each other; the fixed part is fixedly connected to the water inlet part, and the rotating part is fixedly connected to the outer shell.

[0008] The present invention is further configured such that: a spherical body is provided near the water inlet of the water outlet, the outer shell is provided with a hemispherical inner cavity adapted to the spherical body, and the two ends of the elastic body respectively abut against the fixing part and the spherical body.

[0009] The present invention is further configured such that: the outer shell includes an upper shell and a lower shell that can be fixedly connected to each other; one of the upper shell and the lower shell is provided with an external thread at one end and an internal thread at the other corresponding end; both the upper shell and the lower shell are provided with an inner protrusion on their inner sides, and the outer side of the water inlet is provided with a limiting step that matches the inner protrusion.

[0010] The present invention is further configured such that a sealing ring is provided between the inner protrusion and the limiting step.

[0011] The present invention is further configured such that: the fixed part and the rotating part are provided with symmetrical eccentric water passage holes, and the two water passage holes together form a water passage channel for fluid to pass through.

[0012] The present invention is further configured such that: the outer shell and the rotating part are connected by a connecting rod; the end face of the rotating part has a positioning protrusion with a through hole on the side near the water inlet; the outer shell is provided with a through hole coaxial with the through hole; the connecting rod passes through the through hole and the through hole; the side of the water inlet is provided with an arc-shaped opening that matches the rotation trajectory of the connecting rod; the connecting rod can slide along the arc-shaped opening.

[0013] The present invention is further configured such that: an installation groove is provided on the inner side of the outlet end of the water inlet; the fixing part of the inner core is provided with an installation protrusion adapted to the installation groove; the water inlet is also provided with a fixing groove near the installation position of the fixing part, and the fixing groove is equipped with a retaining ring with an opening; during installation, the retaining ring abuts against the fixing part, and the retaining ring is provided with a fixing protrusion adapted to the fixing groove.

[0014] In summary, this utility model has the following beneficial effects: 1. By setting up an overall rotatable outer shell, the traditional external handle is replaced. By rotating the outer shell, the rotating part and the fixed part of the inner core are driven to generate relative displacement, changing the overlapping area of ​​the eccentric water passage holes, thereby realizing the opening and closing of the water flow and the control of the flow rate. Since the operating part is set around the water inlet, the laterally extended handle is eliminated, saving installation space and avoiding interference with surrounding obstacles.

[0015] 2. The spherical body in the water outlet section, in conjunction with the hemispherical inner cavity in the outer shell, allows the water outlet section to rotate in multiple directions. When the water pipe connected to the water outlet section is subjected to lateral pulling, the water outlet section can rotate accordingly to conform to the direction of the pulling force, thereby preventing the water pipe from bending sharply at the joint. This prevents water pressure increases, poor water flow, or loosening of joints caused by water pipe bending, improving reliability and safety. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this embodiment; Figure 2This is an exploded view diagram of this embodiment; Figure 3 This is a cross-sectional view of this embodiment; Reference numerals: 1. Water inlet; 11. Mounting groove; 12. Arc-shaped opening; 13. Fixing groove; 2. Water outlet; 21. Spherical body; 3. Operating part; 31. Outer shell; 311. Upper shell; 3111. Through hole; 312. Lower shell; 313. Inner cavity; 32. Inner core; 321. Fixing part; 3211. Mounting protrusion; 3212. Snap ring; 32121. Fixing protrusion; 322. Rotating part; 3221. Positioning protrusion; 323. Elastic body; 324. Water passage hole; 33. Connecting rod; 35. Inner protrusion; 4. Limiting step; 5. Sealing ring. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to the accompanying drawings.

[0018] This embodiment discloses a faucet with a concealed handle, such as Figures 1 to 3 As shown, the faucet includes a faucet body, comprising an inlet section 1, an outlet section 2, and an operating section 3 connecting the outlet section 2 and the inlet section 1, all having the same center of rotation. The outlet section 2 can rotate relative to the inlet section 1 to change the direction of water flow. By enabling multi-directional rotation of the outlet section 2, it is able to naturally deflect under the pull of the water pipe, preventing bending at the connection between the water pipe and the faucet outlet section. The operating section 3 can rotate relative to the inlet section 1 and the outlet section 2 to control the water flow from the inlet section 1 to the outlet section 2. Water flows in from the inlet section 1, passes through the interior of the operating section 3, and finally flows out from the outlet section 2. When adjusting the water spray angle, the outlet section 2 can be rotated directly by hand, allowing relative rotation between the outlet section 2 and the inlet section 1. When adjusting the water volume, the operating section 3 is rotated, which controls the cross-sectional area of ​​the internal fluid channel to adjust the flow rate. This results in a rotatable outer shell 31, replacing the traditional external handle and allowing the handle to be "hidden" within the overall design.

[0019] Further improvements include an operating unit 3 comprising an outer shell 31 fitted onto the outside of the water inlet 1 and an inner core 32 disposed inside the water inlet 1; rotating the outer shell 31 drives the inner core 32 to move, thereby opening, closing, or regulating the water flow. When the outer shell 31 is rotated, it transmits the rotation to the inner core 32, causing the inner core 32 to rotate and directly changing the opening or closing state or size of the flow channel. The outer shell 31, being located on the outside and having a larger diameter, allows for a larger operating torque with less force, making rotation easier and smoother.

[0020] Further improvements include the inner core 32 comprising a fixed part 321, a rotating part 322, and an elastic body 323; the rotating part 322 abuts against the end face of the fixed part 321; the fixed part 321 is fixedly connected to the water inlet 1, and the rotating part 322 is fixedly connected to the outer shell 31; when the outer shell 31 rotates, it drives the rotating part 322 to rotate synchronously; the cooperation between the fixed part 321 and the rotating part 322 is responsible for flow control; when the water circuit is open, especially under high pressure, the water pressure acts on the inside of the valve core, generating a force that attempts to push the fixed part 321 backward; the elastic body abuts against the other side of the fixed part 321, and the elastic force applied by the elastic body 323 acts on that side, effectively offsetting part of the thrust generated by the water pressure, reducing the load on the fixed part 321 itself and its connection with the water inlet 1, enhancing the overall structural rigidity, and preventing deformation under pressure.

[0021] Further improvements include a spherical body 21 located near the water inlet 1 in the water outlet 2, and a hemispherical inner cavity 313 adapted to the spherical body 21 in the outer shell 31. The elastic body 323 abuts against the fixing part 321 and the spherical body 21 at both ends. The elastic body 323 provides axial clamping force between the fixing part 321 and the water outlet 2. The spherical body 21 and the hemispherical inner cavity 313 form a ball joint, which can rotate relative to each other when properly matched, allowing the water outlet 2 to rotate in multiple directions. The water outlet 2 and the operating part 3 are connected by a ball joint structure, allowing the water outlet 2 to naturally deflect when the water pipe is under force, avoiding stress concentration at the interface caused by hard bending. In this utility model, the elastic body 323 is preferably a spring. One end of the elastic body 323 abuts against the fixing part 321, and the other end abuts against the spherical body 21. The elastic body 323 not only provides axial clamping force to the spherical body 21 to maintain its dynamic seal with the inner cavity 313, but also can offset part of the thrust of the water pressure on the fixing part 321 when the water flow is high pressure, thereby enhancing the structural stability and sealing durability.

[0022] Further improvements include an outer shell 31 comprising an upper shell 311 and a lower shell 312 that are fixedly connected to each other. One end of the upper shell 311 and the lower shell 312 has an external thread, and the corresponding end of the other shell has an internal thread. The upper shell 311 and the lower shell 312 are tightened together by the threads to form a complete outer shell 31. Both the inner sides of the upper shell 311 and the lower shell 312 have inner protrusions 35. The outer sides of the water outlet 2 and the water inlet 1 are respectively provided with limiting steps 4 that are adapted to the inner protrusions 35. The inner protrusions 35 form an axial limiting fit with the limiting steps 4 on the outer sides of the water inlet 1 and the water outlet 2. The water outlet 2 can rotate on the limiting steps 4 to adjust its direction, and its axial movement is blocked by the inner protrusions 35 of the outer shell 31, thus being reliably fixed to the faucet and preventing it from falling off.

[0023] To further improve the design, sealing rings 5 ​​are provided between the inner protrusion 35 and the limiting step 4, and between the spherical body 21 and the inner cavity 313. When the operating part of this utility model is activated, the sealing rings 5, as dynamic sealing elements, will form sealing surfaces between the outer shell 31 and the water outlet 2, and between the outer shell 31 and the water inlet 1, thus preventing water from seeping out from the rotation gaps between the outer shell 31 and the water outlet 2 and the water inlet 1.

[0024] Further improvements include symmetrical eccentric water passage holes 324 on the fixed part 321 and the rotating part 322, which together form a water passage channel for fluid flow. When the two eccentric water passage holes 324 are completely offset, the water passage channel is blocked, and the water flow is closed. When the outer casing 31 rotates, it drives the rotating part 322 to rotate, and the two eccentric water passage holes 324 begin to partially overlap, forming a water passage. As the rotation angle increases, the overlap area of ​​the two holes increases accordingly, resulting in an increase in the effective cross-sectional area of ​​the water passage channel, thereby achieving stepless adjustment of the water flow rate. When the rotation continues to a certain angle, the overlap area of ​​the two holes reaches its maximum, the water passage channel is fully open, and the water flow is in a fully open state. The symmetrical arrangement of the water passage holes 324 is used to balance the pressure of the water on the valve core and avoid stress concentration.

[0025] Further improvements include a connecting rod 33 connecting the outer casing 31 and the rotating part 322. The rotating part 322 has a positioning protrusion 3221 with a through hole on its end face near the water inlet 1. The outer casing 31 has a through hole 3111 coaxial with the through hole, through which the connecting rod 33 passes. The side of the water inlet 1 has an arc-shaped opening 12 that matches the rotation trajectory of the connecting rod 33, allowing the connecting rod 33 to slide along the arc-shaped opening 12. When the outer casing 31 rotates, it drives the connecting rod 33 to rotate synchronously. The connecting rod 33 drives the rotating part 322 through an inserted channel. The connection method of the connecting rod 33 is simple and intuitive, facilitating alignment and installation during assembly. Simply passing the connecting rod 33 through the through hole 3111, the arc-shaped opening 12, and the through hole achieves the connection and installation of the three components: the outer casing 31, the rotating part 322, and the water outlet 2. In this embodiment, the connecting rod 33 is preferably provided with a fixing cap at one end and a positioning protrusion 3221 at the other end. The connecting cap is threadedly connected to one end of the connecting rod 33 and has a protrusion at the other end. When the connecting cap is screwed tight, the connecting cap and the protrusion will abut against both sides of the outer shell 31 to form a clamp. The clamp formed by the protrusion and the connecting cap will stably and reliably fix the connecting rod 33, preventing it from moving and causing leakage.

[0026] Further improvements include an installation groove 11 on the inner side of the outlet end of the water inlet 1; an installation protrusion 3211 on the fixing part 321 of the inner core 32 that matches the installation groove 11; and a fixing groove 13 near the installation position of the fixing part 321, which is equipped with an open retaining ring 3212. During installation, the retaining ring 3212 abuts against the fixing part 321, and the retaining ring 3212 has a fixing protrusion 32121 that matches the fixing groove 13. During installation, first, the installation protrusion 3211 of the fixing part 321 is aligned with the installation groove 11 of the water inlet 1 and inserted to complete the initial positioning. Then, the retaining ring 3212 with the opening is brought close to the fixing groove 13, and the retaining ring 3212 smoothly enters the cavity of the water outlet 2 by utilizing the elastic deformation space provided by the opening. During the rebound process, the retaining ring 3212's fixing protrusion 32121 will naturally embed into the fixing groove 13 to complete the locking. This design makes the installation of the 3212 retainer ring simple and quick.

[0027] Working principle of this utility model During assembly, the upper housing 311 is inserted into the water inlet end of the water inlet section 1, and the lower housing 312 is inserted into the water outlet end of the water outlet section 2. The rotating part 322 is installed into the water inlet section 1. The position of the through hole in the rotating part 322 is observed through the arc-shaped opening 12. At this time, the connecting rod 33 can be easily inserted into the through hole 3111, passing through the arc-shaped opening 12 and the through hole, and then extending out from the through hole 3111 on the other side. The position of the connecting rod 33 is fixed by the connecting cap. Tighten the connecting cap so that the protrusion and the connecting cap can abut against each other. This process achieves the fixation of the connecting rod 33, the rotating part 322, and the upper housing 311; the fixing part 321 is placed at the water inlet, so that the mounting groove 11 and the mounting protrusion 3211 cooperate; the retaining ring 3212 is placed in the water inlet 1, so that the mounting protrusion 3211 and the mounting groove 11 cooperate; finally, the elastic body 323 is placed so that the elastic body 323 abuts against the water inlet end of the fixing part 321 and the water outlet 2; finally, the upper housing 311 and the lower housing 312 are screwed together to form a complete outer shell 31, thus completing the installation.

[0028] In use, the water flow can be controlled by rotating the outer casing 31: the rotation of the outer casing 31 drives the rotating part 322 to rotate synchronously through the internal connecting rod 33, causing it to rotate relative to the fixed part 321. As the overlapping area of ​​the symmetrical eccentric water passages 324 on the end faces of the two changes, the water flow channel gradually opens or closes, thereby realizing the regulation of water output and flow rate.

[0029] When the water outlet direction needs to be adjusted, simply swing the water outlet part 2 by hand. Because the spherical body 21 at the lower end of the water outlet part 2 forms a universal ball joint structure within the hemispherical cavity of the outer shell 31, it can be rotated freely to the desired angle with minimal resistance. During this process, the internal elastic body 323 continuously provides uniform clamping force to the spherical body 21, ensuring that the movable joint maintains a dynamic seal in any position, effectively preventing water leakage.

[0030] 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 design concept of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A faucet with a concealed handle, comprising a faucet body, characterized in that: The faucet body includes an inlet (1), an outlet (2), and an operating part (3) that is movably connected to the outlet (2) and the inlet (1). The outlet (2) can rotate relative to the operating part (3) to change the direction of water flow. The operating part (3) can rotate relative to the inlet (1) and the outlet (2) to control the amount of water flowing from the inlet (1) to the outlet (2).

2. A faucet with a concealed handle according to claim 1, characterized in that: The operating part (3) includes an outer shell (31) sleeved on the outside of the water inlet (1) and an inner core (32) disposed inside the water inlet (1); rotating the outer shell (31) can drive the inner core (32) to move, thereby realizing the opening, closing or flow regulation of the water flow.

3. A faucet with a concealed handle according to claim 2, characterized in that: The inner core (32) includes a fixed part (321), a rotating part (322), and an elastic body (323); the end face of the rotating part (322) abuts against each other; the fixed part (321) is fixedly connected to the water inlet part (1), and the rotating part (322) is fixedly connected to the outer shell (31).

4. A faucet with a concealed handle according to claim 3, characterized in that: The water outlet (2) is provided with a spherical body (21) near the water inlet (1), and the outer shell (31) is provided with a hemispherical inner cavity (313) adapted to the spherical body (21). The two ends of the elastic body (323) respectively abut against the fixing part (321) and the spherical body (21).

5. A faucet with a concealed handle according to claim 4, characterized in that: The outer shell (31) includes an upper shell (311) and a lower shell (312) that can be fixedly connected to each other; one of the upper shell (311) and the lower shell (312) is provided with an external thread at one end and an internal thread at the other corresponding end; the inner side of the upper shell (311) and the lower shell (312) are both provided with an inner protrusion (35), and the outer side of the water inlet (1) is provided with a limiting step (4) that is adapted to the inner protrusion (35).

6. A faucet with a concealed handle according to claim 5, characterized in that: A sealing ring (5) is provided between the inner protrusion (35) and the limiting step (4), and between the spherical body (21) and the inner cavity (313).

7. A faucet with a concealed handle according to claim 3, characterized in that: The fixed part (321) and the rotating part (322) are provided with symmetrical eccentric water passage holes (324), and the two water passage holes (324) together form a water passage channel for fluid to pass through.

8. A faucet with a concealed handle according to claim 3, characterized in that: The outer shell (31) and the rotating part (322) are connected by a connecting rod (33). The rotating part (322) has a positioning protrusion (3221) with a through hole on the end face near the water inlet (1). The outer shell (31) is provided with a through hole (3111) coaxial with the through hole. The connecting rod (33) passes through the through hole (3111) and the through hole. The side of the water inlet (1) is provided with an arc-shaped opening (12) that matches the rotation trajectory of the connecting rod (33). The connecting rod (33) can slide along the arc-shaped opening (12).

9. A faucet with a concealed handle according to claim 3, characterized in that: The water inlet (1) has an installation groove (11) on the inner side of the outlet end; the fixing part (321) of the inner core (32) has an installation protrusion (3211) that matches the installation groove (11); the water inlet (1) also has a fixing groove (13) near the installation position of the fixing part (321), and the fixing groove (13) is equipped with a retaining ring (3212) with an opening; during installation, the retaining ring (3212) abuts against the fixing part (321), and the retaining ring (3212) has a fixing protrusion (32121) that matches the fixing groove (13).

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