Shower faucet with drainage function

Abstract

The present invention provides a shower faucet with a drainage function, which belongs to the technical field of faucets. It solves the problem that the water in the existing shower kit cannot be drained. The shower faucet with a drainage function includes a faucet body with a bathtub water outlet, an overhead shower assembly and a handheld spray head assembly connected to the faucet body. A thermostatic valve core and a water diversion valve core are arranged in the faucet body, a base is arranged at the lower end of the shell, a fixed valve plate is positioned on the base, a moving valve plate is positioned on the rotating seat, one end of the switching rod is connected to the rotating seat, and the other end extends out of the shell. At least three water outlet holes are provided on the fixed valve plate, the bathtub water outlet, the overhead shower assembly and the handheld spray head assembly are respectively connected to the corresponding water outlet holes, a water inlet is provided on the moving valve plate, and a connecting groove is provided on the lower surface of the moving valve plate. This structure solves the problem that the water in the shower kit cannot be drained when the faucet is closed.

Description

Technical Field

[0001] The invention belongs to the technical field of faucets and relates to a shower faucet, in particular to a shower faucet with a drainage function. Background Art

[0002] Shower kit is a common bathroom product, generally including shower faucet, shower head and shower nozzle. The shower faucet is equipped with a mixing valve core for cold and hot water and a function switching valve core. After the cold and hot water are mixed in the mixing valve core, they are passed through pipes to the function switching valve core, and then through the various function water outlet holes of the function switching valve core through pipes to the various function water outlet pipes of the bathtub shower faucet. Currently, the most common hot and cold water ceramic valve core on the market is the hot and cold water ceramic valve core. The water output of the hot and cold water ceramic valve core is achieved by the user toggling the rocker. The user turns the rocker to one side to achieve water output, and turns it in the opposite direction to reduce the water output.

[0003] During the use of the existing shower kit, when the faucet is closed, water accumulates in the entire faucet cavity and each functional pipeline, so the following problems will occur: 1. The water accumulated in the faucet is used by other water outlet devices in the home. When the water in the pipeline flows, air is injected into the shower faucet with water accumulation, and the water accumulated in the inner cavity of the shower faucet will drip onto the ground, making noise and causing water accumulation on the originally clean ground, which greatly reduces the user experience; 2. The longer the water accumulates in the inner cavity of the faucet and the pipeline of the shower product, the more likely it is that bacteria will breed in the accumulated water, metal parts will rust, the accumulated water will stink, and scale will be produced. When in use, the water with bacteria will be sprinkled on the user's skin, posing a great safety hazard to human health; 3. In northern regions, the accumulated water in the inner cavity of the faucet and the pipeline of the shower product is easy to freeze. After the accumulated water freezes, its volume increases, which in turn causes the faucet and the pipeline to be cracked, causing damage to the faucet and the shower product. For example, the China Patent Network discloses a synchronous switch valve core [Authorization Announcement No.: CN211082942U], including a shell, a base, a handle, a rotating seat, an upper body and a lower body. The lower end of the upper body is provided with a first water guide cavity, a second water guide cavity and a third water guide cavity for guiding water in sequence along the circumferential direction. The upper end of the lower body is abutted with the lower end of the upper body, and the lower end of the lower body is fixedly connected to the base. The lower body is provided with a first water inlet hole, a first water outlet hole, a second water outlet hole and a third water outlet hole in sequence along the circumferential direction, and the center of the lower body is provided with a second water inlet hole. When the upper body rotates to the first position, the valve core is closed, and the water inlet hole and the water outlet hole are not connected, so that the valve core closes the cold water inlet or the hot water inlet while closing the mixed water. Although the amount of water supplied by the valve core to the inside of the faucet is reduced, there is still water accumulation in the faucet cavity and the pipeline of the shower product.

[0004] In addition, the China Patent Network discloses a faucet that can automatically drain the water accumulated in the internal channel [Authorization Announcement No.: CN101387346B], including a faucet main body, a valve core assembly is arranged in the valve seat of the faucet main body, the valve core assembly includes a fixed valve plate, a movable valve plate and a switching rod, the switching rod is equipped with a control handle, a water tank is provided on the movable valve plate, a first water inlet hole and a first water outlet hole are provided on the fixed valve plate, a first drainage hole is also provided on the fixed valve plate, and a second drainage hole is provided on the valve seat that is communicated with the first drainage hole, and the second drainage hole is communicated with the outside world. When the control When the handle is turned to the position of closing the faucet water outlet, at least in one position state, the water groove on the movable valve plate can communicate with the first drainage hole and the first water outlet hole. A block is also arranged in the water groove of the movable valve plate, which divides the water groove into an inlet groove and an outlet groove. A water channel connecting the inlet groove and the outlet groove is formed above the water groove. The first water outlet hole of the fixed valve plate is arranged in a direction close to the water outlet pipe. The water outlet groove of the movable valve plate is also close to the edge of the fixed valve plate on the fixed valve plate away from the first water outlet hole, and is located between the edge of the fixed valve plate and the first water inlet hole. The first drainage hole is distributed in the shape of a long arc. When the user pulls the control handle, the fixed valve plate slides and rotates accordingly. When the user turns the control handle to the position of closing the water outlet, the block set in the water tank of the movable valve plate just blocks the two first water inlet holes, and the water inlet tank covers the first water outlet hole, and the water outlet tank covers the first drain hole. The water inlet tank and the water outlet tank communicate through the water channel, so that the accumulated water in the faucet outlet channel enters from the first water outlet hole, flows through the water inlet tank, the water channel, the water outlet tank, the first drain hole and the second drain hole to be discharged to the outside. The above-mentioned faucet has only one water inlet hole and one water outlet hole, so that the valve core assembly in the faucet disclosed in the above-mentioned patent cannot be used in conjunction with the shower kit. Summary of the invention

[0005] The purpose of the present invention is to address the above-mentioned problems in the prior art and to propose a shower faucet with drainage function. The technical problem to be solved by the present invention is: how to solve the problem that the accumulated water in the shower kit cannot be drained when the faucet is turned off.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A shower faucet with a drainage function comprises a faucet body with a bathtub water outlet, an overhead shower assembly and a handheld spray head assembly connected to the faucet body, a thermostatic valve core and a water diversion valve core are arranged in the faucet body, the water diversion valve core comprises a fixed valve plate and a movable valve plate, the base is arranged at the lower end of a shell, the fixed valve plate is positioned on the base, the movable valve plate is positioned on a rotating seat, one end of the switching rod is connected to the rotating seat, and the other end extends out of the shell, at least three water outlet holes are provided on the fixed valve plate, the bathtub water outlet, the overhead shower assembly and the handheld spray head assembly are respectively connected to the corresponding water outlet holes, and a water inlet is provided on the movable valve plate, characterized in that a connecting groove is provided on the lower surface of the movable valve plate, and when the shower faucet is closed, the connecting groove is connected to the three water outlet holes corresponding to the bathtub water outlet, the overhead shower assembly and the handheld spray head assembly.

[0008] During use of the shower faucet, when the water inlet is connected to the water outlet hole corresponding to the bathtub water outlet, water flows out of the bathtub water outlet and neither the overhead shower assembly nor the handheld spray head assembly flows out; when the water inlet is connected to the water outlet hole corresponding to the overhead shower assembly, water flows out of the overhead shower assembly and neither the bathtub water outlet nor the handheld spray head assembly flows out; when the water inlet is connected to the water outlet hole corresponding to the handheld spray head assembly, water flows out of the handheld spray head assembly and neither the bathtub water outlet nor the overhead shower assembly flows out. When the shower faucet is closed, the three water outlets corresponding to the bathtub spout, the overhead shower assembly and the handheld spray head assembly are interconnected through the connecting groove. At this time, the accumulated water in the corresponding pipes of the shower head and the shower head are collected in the connecting groove through their respective water outlets, and the bathtub spout is located lower than the shower head and the shower head. The water in the connecting groove is discharged outward through the bathtub spout, so that the accumulated water in the faucet body and the pipes corresponding to the overhead shower assembly and the handheld spray head assembly are discharged outward through the bathtub spout, realizing automatic drainage when the shower faucet is closed, improving the convenience of drainage operation, solving the problem of dripping when the bathroom product is not in use, improving user experience, and avoiding the problem of water accumulation in the pipes of the bathroom kit causing rusting of metal parts and the generation of scale, extending the service life of the bathroom kit, and avoiding the faucet and pipes being cracked by the faucet and pipes due to the freezing of accumulated water in the faucet and pipes, further improving the service life of the bathroom kit. In addition, the water-dividing valve core mainly improves the structure of the moving valve plate, which will not cause product design restrictions and has no effect on the product's styling design.

[0009] In the above-mentioned shower faucet with drainage function, all water outlets are arranged along the circumference of the fixed valve plate, and the connecting groove is in an arc shape. When the shower faucet is closed, the connecting groove in an arc shape can connect the three water outlets corresponding to the bathtub spout, the overhead shower assembly and the handheld spray head assembly to each other.

[0010] In the above-mentioned shower faucet with drainage function, there are four water outlet holes, which are evenly distributed along the circumference on the fixed valve plate. When the water inlet is connected to one of the water outlet holes, the connecting groove is connected to the other three water outlet holes.

[0011] The bathtub spout, shower head and shower nozzle are respectively connected to the corresponding water outlet holes, and the last water outlet hole is blocked. When the water inlet is connected to the water outlet hole corresponding to the bathtub spout, water flows out of the bathtub spout, and the connecting groove connects the water outlet hole corresponding to the overhead shower assembly, the two water outlet holes corresponding to the handheld spray head assembly and the fourth water outlet hole;

[0012] When the water inlet is connected to the water outlet hole corresponding to the overhead shower assembly, water flows out of the overhead shower assembly, and the connecting groove connects the water outlet hole corresponding to the bathtub outlet nozzle, the water outlet hole corresponding to the handheld spray head assembly, and the fourth water outlet hole. At this time, the accumulated water in the corresponding pipes of the bathtub outlet nozzle and the handheld spray head assembly is discharged outward through the water outlet hole of the bathtub outlet nozzle;

[0013] When the water inlet is connected to the water outlet hole corresponding to the handheld spray head assembly, water is discharged from the handheld spray head assembly, and the connecting groove connects the water outlet hole corresponding to the bathtub water outlet, the water outlet hole corresponding to the overhead shower assembly, and the fourth water outlet hole. At this time, the accumulated water in the corresponding pipes of the bathtub water outlet and the overhead shower assembly is discharged outward through the water outlet hole of the bathtub water outlet;

[0014] When the water inlet is connected to the fourth water outlet, the shower faucet is in a closed state, and the connecting groove connects the water outlet corresponding to the bathtub outlet, the water outlet corresponding to the overhead shower assembly, and the water outlet corresponding to the handheld spray head assembly. At this time, the accumulated water in the corresponding pipelines of the bathtub outlet, the overhead shower assembly, and the handheld spray head assembly are all discharged outward through the water outlet of the bathtub outlet. The design of this structure makes it possible that no matter when the water inlet is connected to any water outlet, the connecting groove connects the water channels corresponding to the other three water outlets to each other, the bathtub outlet is located lower than the overhead shower assembly and the handheld spray head assembly, and the accumulated water in the corresponding pipelines of the overhead shower assembly and the handheld spray head assembly flows to the shower faucet. During the process of the bathtub outlet draining water outward, air enters the pipeline. Under the action of air pressure, the shower faucet is closed, that is, the water is automatically drained, and the accumulated water in each water channel is emptied.

[0015] In the above-mentioned shower faucet with drainage function, at least three water inlet holes are opened on the side wall of the shell, and the water inlet holes correspond to the water outlet holes one by one, and the water inlet can be connected with the water inlet hole and the corresponding water outlet hole. Through the arrangement of this structure, when the water inlet is connected with one of the water outlet holes, the water inlet is also connected with the water inlet hole corresponding to the water outlet hole, and water enters the water diversion valve core from the water inlet hole, and enters the corresponding pipeline from the water inlet and the water outlet hole.

[0016] In the shower faucet with drainage function, at least two positioning grooves are provided on the inner circumferential surface of the shell in the circumferential direction, and a mounting hole is provided on the outer side wall of the rotating seat in the radial direction. A top column which always has a tendency to move toward the shell side is provided in the mounting hole, and when the outer end of the top column extends into the positioning groove, the water inlet is connected with the water inlet hole and the corresponding water outlet hole. Through the arrangement of this structure, when the outer end of the top column extends into one of the positioning grooves, the rotating seat is positioned at this position, and at this time the water inlet is connected with the water inlet hole and the corresponding water outlet hole, and in the absence of external force, the connection between the water inlet, the water inlet hole and the water outlet hole is ensured to be stable.

[0017] In the above-mentioned shower faucet with drainage function, a snap-in hole is provided on the outer circumferential surface of the lower end of the shell, a cantilever snap-in is provided on the base, a portion of the base is embedded in the shell and the cantilever snap-in is clamped in the corresponding snap-in hole, a positioning notch is provided at the lower end of the shell, a flange is provided on the outer circumferential surface of the base, a convex block is provided on the upper surface of the flange, and the convex block is located in the positioning notch. Through the arrangement of this structure, the base is snap-connected with the shell, the installation of the base on the shell is stable and secure, and the matching structure of the convex block and the positioning notch further limits the base in the circumferential direction, further improving the stability of the installation of the base on the shell.

[0018] In the shower faucet with drainage function, the outer edge of the base has a positioning block, and the outer peripheral surface of the fixed valve plate is provided with a second positioning groove, and the second positioning groove corresponds to the positioning block and the cantilever buckle one by one, and the positioning block and the cantilever buckle are both located in the corresponding positioning groove 2. Through the arrangement of this structure, the positioning block and the cantilever buckle are both located in the corresponding positioning groove 2, so that the fixed valve plate is circumferentially limited on the base, and the fixed valve plate cannot rotate circumferentially relative to the base. When the movable valve plate rotates, the fixed valve plate remains stationary.

[0019] In the above-mentioned shower faucet with drainage function, at least two positioning grooves 3 are provided on the upper surface of the movable valve plate, and at least two positioning posts are provided on the lower surface of the rotating seat, and the positioning grooves 3 correspond to the positioning posts one by one, and the positioning posts are inserted into the positioning grooves 3. Through the arrangement of this structure, the matching structure of the positioning posts and the positioning grooves enables the rotating seat to drive the movable valve plate to rotate when the switching rod drives the rotating seat to rotate, so that the movable valve plate rotates relative to the fixed valve plate.

[0020] In the above-mentioned shower faucet with drainage function, a through hole is radially opened on the outer peripheral surface of the lower end of the switching rod, a positioning pin is inserted into the through hole, a positioning hole is opened on the upper surface of the rotating seat, a positioning groove 4 is opened on the hole wall of the positioning hole, the lower end of the switching rod is inserted into the positioning hole and one end of the positioning pin is located in the positioning groove 4, and the upper end of the positioning hole is connected to a limit cover for limiting the positioning pin from being separated from the positioning groove 4. Through the setting of this structure, the lower end of the switching rod is positioned on the rotating seat, and rotating the switching rod can drive the rotating seat to rotate, thereby driving the movable valve plate to rotate.

[0021] In the above-mentioned shower faucet with drainage function, one end of the faucet body has an installation cavity, the water diversion valve core is located in the installation cavity, and three flow channel holes are opened on the inner bottom surface of the installation cavity, and the three flow channel holes correspond to the bathtub water outlet, the overhead shower assembly and the handheld spray head assembly respectively, and the three flow channel holes are respectively connected to the corresponding water outlet holes. Through the arrangement of this structure, the bathtub water outlet, the overhead shower assembly and the handheld spray head assembly are respectively connected to the corresponding water outlet holes through the corresponding flow channel holes.

[0022] Compared with the prior art, the shower faucet with drainage function of the present invention has the following advantages: when the shower faucet is closed, the three water outlets corresponding to the bathtub water outlet, the overhead shower assembly and the handheld spray head assembly are interconnected through the connecting groove. At this time, the accumulated water in the corresponding pipes of the shower head and the shower head are collected in the connecting groove through their respective water outlet holes, and the bathtub water outlet is lower than the shower head and the shower head. The water in the connecting groove is discharged outwardly through the bathtub water outlet, so that the accumulated water inside the faucet body and the pipes corresponding to the overhead shower assembly and the handheld spray head assembly are discharged outwardly through the bathtub water outlet, so that the shower faucet is closed and the water is automatically drained, which improves the convenience of drainage operation, solves the problem of dripping when the bathroom product is not in use, improves user experience, and avoids the problems of rusting of metal parts and scaling caused by water accumulation in the pipes of the bathroom kit, thereby extending the service life of the bathroom kit, and also avoids the faucet and the pipe being cracked by the faucet and the pipe due to freezing of accumulated water, thereby further improving the service life of the bathroom kit. In addition, the water-dividing valve core mainly improves the structure of the moving valve plate, which will not cause design restrictions on the product and has no effect on the product's shape design. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the water diversion valve core of the present invention.

[0025] Figure 3 It is a schematic diagram of the explosion structure of the water diversion valve core of the present invention.

[0026] Figure 4 It is one of the three-dimensional structural schematic diagrams of the movable valve plate and the fixed valve plate of the present invention.

[0027] Figure 5 This is the second schematic diagram of the three-dimensional structure of the movable valve plate and the fixed valve plate of the present invention.

[0028] Figure 6 It is a three-dimensional structural schematic diagram of the movable valve plate of the present invention.

[0029] Figure 7 It is a three-dimensional structural schematic diagram of the fixed valve plate and the base of the present invention.

[0030] Figure 8 It is a three-dimensional structural schematic diagram of the shell of the present invention.

[0031] Fig. 9 It is a three-dimensional structural schematic diagram of the rotating seat and the switching rod of the present invention.

[0032] Fig.10 It is a schematic diagram of the exploded structure of the rotating seat and the switching rod of the present invention.

[0033] Fig.11 It is a three-dimensional structural schematic diagram of the faucet body of the present invention.

[0034] In the figure, 1, faucet body; 101, bathtub spout; 102, installation cavity; 103, flow channel hole; 2, overhead shower assembly; 3, handheld shower assembly; 4, thermostatic valve core; 5, water diversion valve core; 50, housing; 501, water inlet hole; 502, positioning groove 1; 503, snap-on hole; 504, positioning notch; 51, base; 510, cantilever buckle; 511, flange; 512, bump; 513, positioning block; 52, switching rod; 520, through hole; 53, rotating seat; 530, mounting hole; 531, positioning column; 532, positioning hole; 533, positioning groove four; 54, fixed valve plate; 541, water outlet hole; 542, positioning groove two; 55, moving valve plate; 551, water inlet; 552, connecting groove; 553, positioning groove three; 56, top column; 57, positioning pin; 58, limit cover. DETAILED DESCRIPTION

[0035] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0036] like Figure 1 to Figure 6As shown, the shower faucet with drainage function comprises a faucet body 1 with a bathtub water outlet 101, an overhead shower assembly 2 and a handheld spray head assembly 3 connected to the faucet body 1, a thermostatic valve core 4 and a water diversion valve core 5 are arranged in the faucet body 1, and the water diversion valve core 5 comprises a shell 50, a base 51, a switching rod 52, a rotating seat 53, a fixed valve plate 54 and a movable valve plate 55, the base 51 is arranged at the lower end of the shell 50, the fixed valve plate 54 is positioned on the base 51, and the movable valve plate 55 is positioned on the rotating seat 53, one end of the switching rod 52 is connected to the rotating seat 53, and the other end extends out of the shell 50, and at least three water outlet holes 541 are opened on the fixed valve plate 54, and all the water outlet holes 541 are arranged along the circumference of the fixed valve plate 54. The bathtub water outlet 101, the overhead shower assembly 2 and the handheld spray head assembly 3 are respectively connected with the corresponding water outlet holes 541, a water inlet 551 is provided on the movable valve plate 55, and a connecting groove 552 is provided on the lower surface of the movable valve plate 55. In this embodiment, the connecting groove 552 is arc-shaped. In this embodiment, there are four water outlet holes 541, and the four water outlet holes 541 are evenly distributed along the circumferential direction on the fixed valve plate 54. When the water inlet 551 is connected with one of the water outlet holes 541, the connecting groove 552 is connected with the other three water outlet holes 541, and when the shower faucet is closed, the connecting groove 552 is connected with the three water outlet holes 541 corresponding to the bathtub water outlet 101, the overhead shower assembly 2 and the handheld spray head assembly 3.

[0037] The bathtub spout 101, the overhead shower assembly 2 and the handheld spray head assembly 3 are respectively connected to the corresponding water outlet holes 541, and the last water outlet hole 541 is blocked. When the water inlet 551 is connected to the water outlet hole 541 corresponding to the bathtub spout 101, water flows out of the bathtub spout 101, and the connecting groove 552 connects the water outlet hole 541 corresponding to the overhead shower assembly 2, the two water outlet holes 541 corresponding to the handheld spray head assembly 3, and the fourth water outlet hole 541;

[0038] When the water inlet 551 is connected to the water outlet hole 541 corresponding to the overhead shower assembly 2, water is discharged from the overhead shower assembly 2, and the connecting groove 552 connects the water outlet hole 541 corresponding to the bathtub water outlet 101, the water outlet hole 541 corresponding to the handheld spray head assembly 3, and the fourth water outlet hole 541. At this time, the accumulated water in the corresponding pipelines of the bathtub water outlet 101 and the handheld spray head assembly 3 is discharged outward through the water outlet hole 541 of the bathtub water outlet 101;

[0039] When the water inlet 551 is connected to the water outlet hole 541 corresponding to the handheld spray head assembly 3, the handheld spray head assembly 3 discharges water, and the connecting groove 552 connects the water outlet hole 541 corresponding to the bathtub water outlet 101, the water outlet hole 541 corresponding to the overhead shower assembly 2, and the fourth water outlet hole 541. At this time, the accumulated water in the corresponding pipes of the bathtub water outlet 101 and the overhead shower assembly 2 is discharged outward through the water outlet hole 541 of the bathtub water outlet 101;

[0040] When the water inlet 551 is connected to the fourth water outlet hole 541, the shower faucet is in a closed state, and the connecting groove 552 connects the water outlet hole 541 corresponding to the bathtub outlet nozzle 101, the water outlet hole 541 corresponding to the overhead shower assembly 2, and the water outlet hole 541 corresponding to the handheld nozzle assembly 3. At this time, the accumulated water in the corresponding pipes of the bathtub outlet nozzle 101, the overhead shower assembly 2, and the handheld nozzle assembly 3 are all discharged outward through the water outlet hole 541 of the bathtub outlet nozzle 101. The design of this structure ensures that no matter when the water inlet 551 is connected to any one of the water outlet holes 541, the connecting groove 552 connects the water paths corresponding to the other three water outlet holes 541 to each other, and the bathtub water outlet 101 is located lower than the overhead shower assembly 2 and the handheld spray head assembly 3. The accumulated water in the corresponding pipelines of the overhead shower assembly 2 and the handheld spray head assembly 3 flows to the bathtub water outlet 101. During the process of the bathtub water outlet 101 draining water outwards, air enters the pipeline. Under the action of air pressure, the shower faucet is closed, that is, the water is automatically drained, and the accumulated water in each water path is drained.

[0041] like Figure 2 , Figure 8 , Fig. 9 and Fig.10 As shown, at least three water inlet holes 501 are provided on the side wall of the outer shell 50, and the water inlet holes 501 correspond to the water outlet holes 541 one by one, and the water inlet port 551 can be communicated with the water inlet hole 501 and the corresponding water outlet hole 541; at least two positioning grooves 502 are provided on the inner circumferential surface of the outer shell 50 in the circumferential direction, and a mounting hole 530 is provided on the outer side wall of the rotating seat 53 in the radial direction, and a top column 56 which always has a tendency to move toward the side of the outer shell 50 is arranged in the mounting hole 530, and when the outer end of the top column 56 extends into the positioning groove 502, the water inlet port 551 is communicated with the water inlet hole 501 and the corresponding water outlet hole 541. When the outer end of the top column 56 extends into one of the positioning grooves 502, the rotating seat 53 is positioned at this position. At this time, the water inlet 551 is connected with the water inlet hole 501 and the corresponding water outlet hole 541. In the absence of external force, the water inlet 551, the water inlet hole 501 and the water outlet hole 541 are connected stably.

[0042] like Figure 2 and Figure 3 As shown, a snap-in hole 503 is provided on the outer peripheral surface of the lower end of the shell 50, and a cantilever snap buckle 510 is provided on the base 51. Part of the base 51 is embedded in the shell 50 and the cantilever snap buckle 510 is clamped in the corresponding snap-in hole 503. A positioning notch 504 is provided at the lower end of the shell 50, and a flange 511 is provided on the outer peripheral surface of the base 51. The upper surface of the flange 511 has a protrusion 512, and the protrusion 512 is located in the positioning notch 504. The base 2 is stably and securely installed on the shell 1.

[0043] like Figure 3 and Figure 7 As shown, the outer edge of the base 51 has a positioning block 513, and the outer peripheral surface of the fixed valve disc 54 is provided with a second positioning groove 542, which corresponds to the positioning block 513 and the cantilever buckle 510 one by one. The positioning block 513 and the cantilever buckle 510 are both located in the corresponding second positioning groove 542, and the fixed valve disc 54 is circumferentially positioned on the base 51, and the fixed valve disc 54 cannot rotate circumferentially relative to the base 51. At least two third positioning grooves 553 are provided on the upper surface of the movable valve disc 55, and at least two positioning posts 531 are provided on the lower surface of the rotating seat 53, and the third positioning grooves 553 correspond to the positioning posts 531 one by one. The positioning posts 531 are inserted into the third positioning grooves 553, and when the rotating seat 53 rotates, the movable valve disc 55 is driven to rotate synchronously.

[0044] like Fig. 9 and Fig.10 As shown, a through hole 520 is radially opened on the outer circumferential surface of the lower end of the switching rod 52, a positioning pin 57 is passed through the through hole 520, a positioning hole 532 is opened on the upper surface of the rotating seat 53, and a positioning groove four 533 is opened on the hole wall of the positioning hole 532. The lower end of the switching rod 52 is inserted into the positioning hole 532 and one end of the positioning pin 57 is located in the positioning groove four 533. The upper end of the positioning hole 532 is connected to a limit cover 58 for limiting the positioning pin 57 from disengaging from the positioning groove four 533. The lower end of the switching rod 52 is fixed on the rotating seat 53, and when the switching rod 52 rotates, it drives the rotating seat 53 to rotate synchronously.

[0045] like Fig.11 As shown, one end of the faucet body 1 has an installation cavity 102, the water diversion valve core 5 is located in the installation cavity 102, and three flow channel holes 103 are opened on the inner bottom surface of the installation cavity 102, the three flow channel holes 103 respectively correspond to the bathtub water outlet 101, the overhead shower assembly 2 and the handheld spray head assembly 3, the three flow channel holes 103 are respectively connected with the corresponding water outlet holes 541, and the bathtub water outlet 101, the overhead shower assembly 2 and the handheld spray head assembly 3 are respectively connected with the corresponding water outlet holes 541 through the corresponding flow channel holes 103.

[0046] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A shower faucet with a drainage function, comprising a faucet body (1) having a bathtub water outlet (101), an overhead shower assembly (2) and a handheld spray head assembly (3) connected to the faucet body (1), wherein a thermostatic valve core (4) and a water diversion valve core (5) are arranged in the faucet body (1), wherein the water diversion valve core (5) comprises a housing (50), a base (51), a switching rod (52), a rotating seat (53), a fixed valve plate (54) and a movable valve plate (55), wherein the base (51) is arranged at the lower end of the housing (50), The fixed valve plate (54) is positioned on the base (51), the movable valve plate (55) is positioned on the rotating seat (53), one end of the switching rod (52) is connected to the rotating seat (53), and the other end extends out of the housing (50), the fixed valve plate (54) is provided with at least three water outlet holes (541), the bathtub water outlet (101), the overhead shower assembly (2) and the handheld spray head assembly (3) are respectively connected to the corresponding water outlet holes (541), and the movable valve plate (55) is provided with a water inlet (551), characterized in that: A connecting groove (552) is formed on the lower surface of the movable valve plate (55). When the shower faucet is closed, the connecting groove (552) is connected to the three water outlet holes (541) corresponding to the bathtub water outlet (101), the overhead shower assembly (2) and the handheld spray head assembly (3); All water outlet holes (541) are arranged along the circumference of the fixed valve plate (54), and the connecting groove (552) is in an arc shape; there are four water outlet holes (541), and the four water outlet holes (541) are evenly distributed along the circumference of the fixed valve plate (54); when the water inlet (551) is connected to one of the water outlet holes (541), the connecting groove (552) is connected to the other three water outlet holes (541); at least three water inlet holes (501) are opened on the side wall of the shell (50), and the water inlet holes (501) correspond to the water outlet holes (541) one by one, and the water inlet (551) can be connected to the water inlet hole (501) and the corresponding water outlet hole (541).

2. A shower faucet with drainage function according to claim 1, characterized in that: At least two positioning grooves (502) are provided on the inner circumferential surface of the outer shell (50) in the circumferential direction, and a mounting hole (530) is provided on the outer wall of the rotating seat (53) in the radial direction. A top column (56) which always has a tendency to move toward the side of the outer shell (50) is provided in the mounting hole (530), and when the outer end of the top column (56) extends into the positioning groove (502), the water inlet (551) is connected with the water inlet hole (501) and the corresponding water outlet hole (541).

3. A shower faucet with drainage function according to claim 1, characterized in that: A snap-fitting hole (503) is provided on the outer peripheral surface of the lower end of the shell (50); a cantilever snap-fitting buckle (510) is provided on the base (51); a portion of the base (51) is embedded in the shell (50) and the cantilever snap-fitting buckle (510) is snapped into the corresponding snap-fitting hole (503); a positioning notch (504) is provided on the lower end of the shell (50); a flange (511) is provided on the outer peripheral surface of the base (51); a protrusion (512) is provided on the upper surface of the flange (511); and the protrusion (512) is located in the positioning notch (504).

4. A shower faucet with drainage function according to claim 3, characterized in that: The outer edge of the base (51) is provided with a positioning block (513), and the outer peripheral surface of the fixed valve plate (54) is provided with a second positioning groove (542), and the second positioning groove (542) corresponds to the positioning block (513) and the cantilever buckle (510) one by one, and the positioning block (513) and the cantilever buckle (510) are both located in the corresponding second positioning groove (542).

5. The shower faucet with drainage function according to claim 1, characterized in that: The upper surface of the movable valve plate (55) is provided with at least two positioning grooves (553), and the lower surface of the rotating seat (53) has at least two positioning columns (531). The positioning grooves (553) correspond to the positioning columns (531) one by one, and the positioning columns (531) are inserted into the positioning grooves (553).

6. The shower faucet with drainage function according to claim 1, characterized in that: A through hole (520) is radially provided on the outer circumferential surface of the lower end of the switching rod (52), a positioning pin (57) is inserted into the through hole (520), a positioning hole (532) is provided on the upper surface of the rotating seat (53), a positioning groove (533) is provided on the hole wall of the positioning hole (532), the lower end of the switching rod (52) is inserted into the positioning hole (532) and one end of the positioning pin (57) is located in the positioning groove (533), and the upper end of the positioning hole (532) is connected to a limit cover (58) for limiting the positioning pin (57) from being separated from the positioning groove (533).

7. The shower faucet with drainage function according to claim 1, characterized in that: One end of the faucet body (1) is provided with a mounting cavity (102), the water diversion valve core (5) is located in the mounting cavity (102), and three flow channel holes (103) are provided on the inner bottom surface of the mounting cavity (102), the three flow channel holes (103) respectively corresponding to the bathtub water outlet (101), the overhead shower assembly (2) and the handheld spray head assembly (3), and the three flow channel holes (103) are respectively connected to the corresponding water outlet holes (541).

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