CN218423445U - Shower head - Google Patents

Abstract

The utility model relates to a shower head, which comprises a handle and a shower head, wherein the shower head comprises a shower head shell, a water distribution disc, a water outlet panel, a sealing ring, a water outlet steel sheet and a steel sheet sealing cover, wherein the water distribution disc, the water outlet panel, the sealing ring, the water outlet steel sheet and the steel sheet sealing cover are arranged in the shower head shell; the water outlet panel is provided with an outer ring water outlet hole, a middle ring water outlet hole and an inner ring water outlet head, and the spray head shell, the water distribution disc and the water outlet panel are assembled in a sealing way to form a first water outlet channel, a second water outlet channel and a third water outlet channel which are separated from each other; the water outlet steel sheet is provided with through holes which correspond to the inner ring water outlets one to one and are used for the inner ring water outlets to penetrate to the water outlet side of the water outlet steel sheet; the water outlet steel sheet is also provided with a water spraying hole which is communicated with the water outlet hole of the middle ring; the water outlet panel is provided with a sealing groove which is distributed along the circumferential direction of the inner ring water outlet head; the outer edge of the sealing ring is provided with a V-shaped groove, and the groove walls at two sides of the V-shaped groove are respectively abutted against the sealing groove of the water outlet panel and the water outlet steel sheet, so that the communicated space of the water spray hole and the water outlet hole of the middle ring is sealed and separated from the through hole of the water outlet steel sheet. The utility model discloses a whole sealing performance of gondola water faucet is excellent.

Description

Shower head

Technical Field

The utility model belongs to the technical field of shower bath, concretely relates to gondola water faucet.

Background

The existing shower head has various structures, the water outlet mode is converted from a single mode to multiple modes, and various requirements of daily life of a user are met, for example, a pulse massage shower head disclosed by patent document with the publication number of CN209502008U realizes five water outlet modes by rotating a water outlet cover; however, the rotary sealing property of the water outlet cover is difficult to maintain for a long time.

In addition, the outer ring of the shower head is difficult to realize uniform water outlet due to the height difference among the water outlet holes.

Therefore, there is a need in the art for an improved shower structure.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned drawbacks and deficiencies of the prior art, it is an object of the present invention to at least solve one or more of the above-mentioned problems of the prior art, in other words, to provide a shower head that satisfies one or more of the above-mentioned needs.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

a shower head comprises a handle and a shower head, wherein the shower head comprises a shower head shell, a water distribution disc, a water outlet panel, a sealing ring, a water outlet steel sheet and a steel sheet sealing cover which are sequentially arranged in the shower head shell; the water outlet panel is provided with an outer ring water outlet hole, a middle ring water outlet hole and an inner ring water outlet head, the spray head shell, the water distribution disc and the water outlet panel are assembled in a sealing way to form a first water outlet channel, a second water outlet channel and a third water outlet channel which are separated from each other, the first water outlet channel is communicated with the outer ring water outlet hole, the second water outlet channel is communicated with the middle ring water outlet hole, and the third water outlet channel is communicated with the inner ring water outlet head;

the water outlet steel sheet is abutted against the water outlet side of the water outlet panel and is in threaded connection with the water outlet panel through a steel sheet sealing cover to realize sealing fit;

the water outlet steel sheet is provided with through holes which correspond to the inner ring water outlets one to one and are used for the inner ring water outlets to penetrate to the water outlet side of the water outlet steel sheet; the water outlet steel sheet is also provided with a water spraying hole which is communicated with a water outlet hole of the middle ring;

the water outlet panel is provided with sealing grooves distributed along the circumferential direction of the inner ring water outlet head; the outer edge of the sealing ring is provided with a V-shaped groove, the groove wall of one side of the V-shaped groove is abutted against the sealing groove of the water outlet panel, and the groove wall of the other side of the V-shaped groove is abutted against the water outlet steel sheet, so that the communicated space of the water spray hole and the water outlet hole of the middle ring is sealed and separated from the through hole of the water outlet steel sheet;

the shower head further comprises a waterway switching mechanism, and the water inlet channel of the switching handle is communicated with the first water outlet channel, the second water outlet channel or the third water outlet channel.

Preferably, the water inlet side of the water outlet panel is provided with an annular groove, and the annular groove belongs to one part of the first water outlet channel;

the water outlet holes of the outer ring are positioned in the annular groove and are uniformly distributed along the circumferential direction of the annular groove.

As a preferred scheme, an annular water equalizing plate is arranged in the annular groove of the water outlet panel, the water equalizing plate is provided with a plurality of water equalizing holes distributed along the circumferential direction of the water equalizing plate, and the sizes of the water equalizing holes are sequentially increased from bottom to top along the height direction.

Preferably, the water outlet side of the water equalizing plate is provided with a flow guide column, the water inlet side of the water outlet hole of the outer ring of the water outlet plate is provided with a flow guide groove, and the flow guide columns and the flow guide groove are in one-to-one correspondence and are in splicing fit to form a spiral flow guide channel communicated with the water outlet hole of the outer ring.

As a preferred scheme, both sides of the diversion trench are respectively provided with a water inlet notch, and the water inlet notch and the side wall of the diversion trench inner cavity form a spiral flow channel.

Preferably, the two spiral flow passages form a central symmetry.

As a preferred scheme, the water inlet side of the water outlet panel is provided with a water inlet groove, and the water inlet groove belongs to a part of the third water outlet channel; the water inlet end of the inner ring water outlet head is positioned in the water inlet groove;

the water inlet tank is provided with a rotating shaft extending along the axial direction of the water inlet tank, and the rotating shaft is provided with an impeller.

As a preferred scheme, the water distribution disc is provided with a water outlet hole communicated with the water inlet groove of the water outlet panel, and the water inlet side of the water distribution disc is provided with an inclined flow passage corresponding to the water outlet hole.

As a preferred scheme, the waterway switching mechanism comprises a switching rotary drum and a shifting sheet, the switching rotary drum is sleeved in the water inlet end of the spray head shell and is in running fit with the water inlet end of the spray head shell, and the shifting sheet is in driving connection with the switching rotary drum; the first end of the switching rotary drum is provided with a waterway switching port, and the second end of the switching rotary drum is open and is butted with the water outlet end of the water inlet channel of the handle;

when the shifting sheet drives the switching rotary drum to rotate to a first target position, the waterway switching port is communicated with the first water outlet channel;

when the shifting sheet drives the switching rotary drum to rotate to a second target position, the waterway switching port is communicated with the second water outlet channel;

when the shifting sheet drives the switching rotary drum to rotate to a third target position, the waterway switching port is communicated with the third water outlet channel.

As a preferred scheme, a water stop switch is arranged at the water inlet end or the handle of the spray head shell.

Compared with the prior art, the utility model, beneficial effect is:

(1) The utility model discloses a shower head, locate the water route switching mechanism between handle and shower nozzle shell, first water outlet channel, second water outlet channel and third water outlet channel are separated each other, and design the sealing ring that has V type groove between water outlet plate and the play water steel sheet, utilize water pressure to effectively promote the leakproofness of sealing ring, finally realize the leakproofness of three kinds of water modes;

(2) The size structure design of the water equalizing holes of the water equalizing plate solves the problem of uneven water outlet caused by the height difference of the water outlet holes of the outer ring;

(3) The spiral diversion channel formed by splicing and matching the diversion column with the diversion trench can suck external air when water is discharged, and the mixed air and water generate micro bubbles;

(4) The impeller design of the water inlet groove of the water outlet panel is matched with the inclined flow channel design corresponding to the water outlet hole on the water inlet side of the water distribution disc, and the impeller is driven to rotate when water is fed, so that pulse water outlet of the inner ring water outlet head is realized;

(5) The waterway switching mechanism is positioned at the water inlet end of the nozzle shell, so that the operation by one hand is convenient, and the user experience is good;

(6) The design of the water stop switch is convenient for water stop operation.

Drawings

Fig. 1 is a schematic structural view of a shower head according to embodiment 1 of the present invention;

fig. 2 is a schematic front view of a shower head according to embodiment 1 of the present invention;

FIG. 3 is a cross-sectional view of the S-S portion of FIG. 2;

FIG. 4 is an enlarged view of section Q of FIG. 3;

FIG. 5 is an enlarged view of the portion P of FIG. 3;

fig. 6 is a schematic front view of the nozzle casing according to embodiment 1 of the present invention;

fig. 7 is a schematic bottom view of the nozzle casing according to embodiment 1 of the present invention;

fig. 8 is a schematic structural view of a handle according to embodiment 1 of the present invention;

fig. 9 is an assembly structural diagram of a water stop switch and a waterway switching mechanism according to embodiment 1 of the present invention;

fig. 10 is a schematic structural view of the water inlet side of the water diversion disc of embodiment 1 of the present invention;

fig. 11 is a schematic structural view of the water outlet side of the water diversion disc of embodiment 1 of the present invention;

fig. 12 is an assembly structure schematic diagram of a water outlet panel, a water equalizing plate and an impeller in embodiment 1 of the present invention;

fig. 13 is a schematic structural view of the water inlet side of the water outlet panel according to embodiment 1 of the present invention;

fig. 14 is an enlarged view of portion F of fig. 13;

fig. 15 is a schematic structural view of the water outlet side of the water outlet panel according to embodiment 1 of the present invention;

fig. 16 is a schematic structural view of the water distribution plate according to embodiment 1 of the present invention;

FIG. 17 is a schematic structural view of a waterwall blade in embodiment 1 of the invention;

fig. 18 is a schematic structural view of a seal ring (in an uncompressed state) according to embodiment 1 of the present invention;

fig. 19 is a schematic structural view of the steel sheet sealing cover according to embodiment 1 of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

Example 1:

as shown in fig. 1-19, the shower head of the present embodiment includes a handle I and a nozzle II, and further includes a water stop switch III and a waterway switching mechanism VI disposed at a water inlet end of the nozzle II.

Specifically, the spray head II comprises a spray head shell 1, and a water distribution disc 2, a water outlet panel 3, a sealing ring 4, a water outlet steel sheet 5 and a steel sheet sealing cover 6 which are sequentially arranged in the spray head shell 1.

The main structure of the nozzle casing 1 is the shape of the casing of the existing wall-hanging nozzle, which is not described herein. In addition, the water inlet end of the spray head shell 1 is provided with an external thread section 1-1, a water stop switch mounting section 1-2 and a waterway switching mechanism mounting section 1-3 which are sequentially distributed along the axial direction; correspondingly, the handle I is a hollow cavity structure, and the inner cavity of the handle I is a water inlet channel; the top end of the handle I is provided with an internal thread I-1 which is in threaded connection with the external thread section 1-1; the bottom end of the handle I is provided with a water inlet end I-2 with external threads, and the water inlet end I-2 is externally connected with a water inlet pipe.

The waterway switching mechanism VI of this embodiment is installed at the waterway switching mechanism installation sections 1-3. Specifically, the waterway switching mechanism VI comprises a switching rotary drum Y1, a water diversion seat Y2, a lantern ring Y3, a shifting fork Y4 and a shifting piece Y5, the water diversion seat Y2 and the switching rotary drum Y1 are sequentially sleeved inside a waterway switching mechanism mounting section 1-3 at the water inlet end of the spray head shell 1, the waterway switching mechanism mounting section 1-3 is provided with a movable stroke groove 1-30 for the shifting fork Y4, the shifting piece Y5 is in driving connection with the switching rotary drum Y1 through the shifting fork Y4, and the shifting fork Y4 penetrates through the movable stroke groove 1-30; the lantern ring Y3 is sleeved outside the waterway switching mechanism mounting section 1-3 and is in rotatable fit with the waterway switching mechanism mounting section, and the lantern ring Y3 and the shifting piece Y5 are integrally formed or fixedly connected. The top end of the switching rotary drum Y1 is provided with a waterway switching port Y10, and the bottom end of the switching rotary drum is opened to be communicated with a water inlet channel of the handle; the water distribution base Y2 is mounted on the top end of the switching rotary drum Y1 in a sealing fit mode, and the water distribution base Y2 is provided with a first water distribution hole A, a second water distribution hole B and a third water distribution hole C respectively. When stirring plectrum Y5, lantern ring Y3 and switching rotary drum Y1 synchronous revolution realize that the water route switches arbitrary branch water hole intercommunication in mouthful Y10 and the first branch water hole A, the second divides water hole B, the third branch water hole C to realize that the water route switches. When the shifting sheet Y5 drives the switching rotary drum to rotate to the first target position, the waterway switching port is communicated with the first water dividing hole A; when the shifting sheet Y5 drives the switching rotary drum to rotate to a second target position, the waterway switching port is communicated with the second water dividing hole B; when the shifting piece Y5 drives the switching rotary drum to rotate to a third target position, the waterway switching port is communicated with the third water dividing hole C.

In addition, the bottom of the water diversion seat Y2 is provided with three positioning grooves, correspondingly, the top of the switching rotary drum Y1 is embedded with a positioning pin Y6, the positioning pin Y6 elastically protrudes out of the embedded groove of the switching rotary drum Y1 through a spring, when the positioning pin Y6 is aligned with any one positioning groove, the positioning pin is inserted into the positioning groove under the elastic action, and at the moment, the waterway switching port Y10 is communicated with one of the first water diversion hole A, the second water diversion hole B and the third water diversion hole C. Therefore, the positioning function of the three positioning grooves respectively corresponds to the communication of the waterway switching port Y10 and one of the first water dividing hole A, the second water dividing hole B and the third water dividing hole C. When the plectrum Y5 continues to be shifted, the positioning pin retracts to the embedded groove at the top of the switching rotary drum Y1 under the action of external force, and shifting of the plectrum Y5 is not influenced.

The water stop switch III of the embodiment comprises a water inlet seat Z1, a water stop seat Z2, a sleeve ring Z3, a shifting fork Z4 and a shifting piece Z5, wherein the water inlet seat Z1 is provided with a water outlet hole Z10, the water stop seat Z2 is provided with a water inlet hole Z20, the water stop seat Z2 and the water inlet seat Z1 are sequentially sleeved inside a water stop switch mounting section 1-2 at the water inlet end of a sprayer shell 1, the water stop seat Z2 is butted with the bottom end of a switching rotary drum Y1 to form a water inlet flow passage, the water stop switch mounting section 1-2 is provided with a water stop movable stroke groove for the shifting fork Z4, the shifting piece Z5 is in driving connection with the water stop seat Z2 through the shifting fork Z4, and the shifting fork Z4 penetrates through the water stop movable stroke groove; the lantern ring Z3 is sleeved outside the water stop switch mounting section 1-2 and is in rotatable fit with the water stop switch mounting section, and the lantern ring Z3 and the shifting piece Z5 are integrally formed or fixedly connected. In addition, the water inlet seat Z1 is communicated with a water inlet channel of the handle. When the poking piece Z5 is poked, the lantern ring Z3 and the water stop seat Z2 synchronously rotate, so that the water inlet hole Z20 and the water outlet hole Z10 are communicated or not communicated (namely staggered), and water stop is realized when the water inlet hole Z20 and the water outlet hole Z10 are not communicated. In addition, the bottom of the water stopping seat Z2 is provided with at least two positioning grooves, correspondingly, the top of the water inlet seat Z1 is embedded with a positioning pin Z6, the positioning pin Z6 elastically protrudes out of the embedded groove of the water inlet seat Z1 through a spring, when the positioning pin Z6 is aligned with any positioning groove, the positioning pin is inserted into the positioning groove under the elastic action, and at the moment, the water inlet hole Z20 is communicated or not communicated with the water outlet hole Z10. When the shifting piece Z5 is continuously shifted, the positioning pin retracts to the embedded groove of the water inlet seat Z1 under the action of external force, and shifting of the shifting piece Z5 is not influenced.

The inner chamber of the nozzle shell 1 of this embodiment is provided with a first flow channel, a second flow channel and a third flow channel, and the three flow channels are respectively communicated with a first water dividing hole A, a second water dividing hole B and a third water dividing hole C of the water dividing seat. Specifically, the water inlet A0 of the first flow channel is in butt joint with the first water dividing hole a, the water inlet B0 of the second flow channel is in butt joint with the second water dividing hole B, and the water inlet C0 of the third flow channel is in butt joint with the third water dividing hole C.

The bottom of the water inlet side of the water diversion disc 2 of this embodiment has a first water inlet hole A2, a second water inlet hole B2, a third water inlet hole C2, the first water inlet hole A2 communicates with the water outlet A1 of the first runner, the second water inlet hole B2 communicates with the water outlet B1 of the second runner, and the third water inlet hole C2 communicates with the water outlet C1 of the third runner. In addition, the middle part of the water inlet side of the water diversion disc 2 is provided with a water storage tank 20 protruding outwards, and correspondingly, the inner wall of the spray head shell 1 is provided with a sealing installation groove K1 matched with the structure of the water storage tank. The inner wall of the water storage tank 20 is provided with a plurality of water outlet holes 200 distributed circumferentially, and the water inlet side of the water distribution disc 2 is also provided with an inclined runner 21 corresponding to the water outlet holes 200, so that inclined water outlet is realized, and an impeller is driven conveniently. The water outlet side of the water distribution disc 2 is provided with a fourth flow channel, the water inlet of the fourth flow channel is a third water inlet hole C2, and the water outlet D2 of the fourth flow channel is communicated to the water storage tank 20 positioned on the water inlet side of the water distribution disc 2.

The outlet side of the outlet panel 3 of this embodiment has an outer ring outlet 31, a middle ring outlet 32 and an inner ring outlet head 33. Specifically, the nozzle shell 1, the water diversion disc 2 and the water outlet panel 3 are hermetically assembled to form a first water outlet channel, a second water outlet channel and a third water outlet channel which are separated from each other, namely, the first water diversion hole a, the water inlet A0, the water outlet A1, the first water inlet hole A2 and the outer ring water outlet hole 31 are communicated to form the first water outlet channel, the second water diversion hole B, the water inlet B0, the water outlet B1, the second water inlet hole B2 and the middle ring water outlet hole 32 are communicated to form the second water outlet channel, and the third water diversion hole C, the water inlet C0, the water outlet C1, the third water inlet hole C2 and the inner ring water outlet hole 33 are communicated to form the third water outlet channel.

Wherein, the water inlet side of the water outlet panel 3 is provided with an annular groove 34, and the annular groove 34 belongs to a part of the first water outlet channel; the water outlet holes of the outer ring are positioned in the annular groove 34 and are uniformly distributed along the circumferential direction of the annular groove 34. In addition, an annular water equalizing plate 7 is arranged in the annular groove 34 of the water outlet panel 3, the water equalizing plate 7 is provided with a plurality of water equalizing holes 70 distributed along the circumferential direction of the water equalizing plate, and the sizes of the water equalizing holes 70 are sequentially increased from bottom to top along the height direction.

The water outlet side of the water equalizing plate 7 of this embodiment is provided with a plurality of flow guiding columns 71 distributed along the circumferential direction thereof, the water inlet side of the outer ring water outlet hole 31 of the water outlet plate is provided with a flow guiding groove 35, and the flow guiding columns 71 and the flow guiding groove 35 are in one-to-one correspondence and are in splicing fit to form a spiral flow guiding channel communicated with the outer ring water outlet hole 31. Water produces the swirl in spiral water conservancy diversion passageway and can inhale the air and produce the microbubble, and outer loop apopore 31 blowout this moment realizes the spraying effect. Wherein, the both sides of guiding gutter 35 have into water breach 36 respectively, and the lateral wall of the guiding gutter inner chamber of intaking breach 36 and guiding gutter constitutes the spiral runner, and two spiral runners constitute centrosymmetry, guarantee the spiral effect.

The water inlet side of the water outlet panel 3 of the present embodiment is further provided with a water inlet groove 36, and the water inlet groove 36 belongs to a part of the third water outlet channel; the water inlet end of the inner ring water outlet head 33 is positioned in the water inlet groove 36. In addition, the water inlet tank 36 has a rotating shaft 8 extending along the axial direction thereof, and a plurality of inner ring water outlets 33 are uniformly distributed along the circumferential direction of the rotating shaft 8; the rotating shaft 8 is provided with an impeller 9. Correspondingly, the middle part of the water outlet side of the water distribution disc 2 is provided with a rotating shaft inserting hole 22 and an outward protruding sealing groove 23, the rotating shaft inserting hole 22 is used for inserting and fixing the rotating shaft 8, and the sealing groove 23 is in sealing butt joint with the water inlet groove 36. The water outlet holes 200 of the water distribution disc 2 are all communicated with the sealing groove 23, namely the water inlet groove 36, and the spiral water outlet of the water outlet holes 200 is used for driving the impeller 9 to rotate, so that the pulse water outlet of the inner ring water outlet head 33 is finally realized.

The water outlet steel sheet 5 of the embodiment is abutted against the water outlet side of the water outlet panel 3 and is in threaded connection with the water outlet panel 3 through the steel sheet sealing cover 6 to realize sealing fit. Specifically, the water outlet side of the water outlet panel 3 is provided with an internal thread 3a, and correspondingly, the steel sheet sealing cover 6 is provided with an external thread 6a, so that threaded connection is realized. In addition, the steel sheet sealing cover 6 is of an annular structure, and an O-shaped sealing ring 10 is arranged between the steel sheet sealing cover and the water outlet panel 3, so that the installation sealing performance of the water outlet steel sheet 5 is ensured. The water outlet steel sheet 5 is also provided with a water spraying hole 50, and the water spraying hole 50 is communicated with the middle ring water outlet hole 32 to realize water outlet in different modes.

The water outlet steel sheet 5 is provided with through holes 51 corresponding to the inner ring water outlet heads 33 one by one, and the inner ring water outlet heads 33 penetrate to the water outlet side of the water outlet steel sheet 5. Specifically, in order to prevent the water flowing out of the middle ring nozzle 32 from entering the through hole 51, the outlet panel 3 of the present embodiment has a sealing groove 37 distributed along the circumferential direction of the inner ring nozzle 33, and a sealing ring 4 is installed in the sealing groove 37; the outer edge of the sealing ring 4 is provided with a V-shaped groove 40, the groove wall of one side of the V-shaped groove is abutted to the sealing groove 37 of the water outlet panel, the groove wall of the other side of the V-shaped groove is abutted to the water outlet steel sheet 5, the communicated space of the water spray hole 50 and the middle ring water outlet hole 32 is sealed and separated from the through hole 51 of the water outlet steel sheet, and the sealing performance of the overall structure of the shower head is ensured. In a water outlet state, the water outlet steel sheet protrudes outwards under the action of water pressure, the protruding gap is compensated through the sealing ring with the V-shaped groove, and meanwhile, due to the pressing force between the water outlet steel sheet and the sealing ring, the stress on the inner wall of the sealing ring is larger, and the sealing performance is effectively improved.

Example 2:

the difference between the shower head of the embodiment and the embodiment 1 is that:

the design of a water stop switch is omitted, the structure of the shower head is simplified, and the requirements of different applications are met;

other structures can refer to embodiment 1.

Example 3:

the difference between the shower head of the embodiment and the embodiment 1 is that:

the water stop switch is designed on the handle, so that structural diversification is realized, and requirements of different applications are met;

other structures can refer to embodiment 1.

The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.

Claims (10)

1. A shower head comprises a handle and a shower head, and is characterized in that the shower head comprises a shower head shell, a water distribution disc, a water outlet panel, a sealing ring, a water outlet steel sheet and a steel sheet sealing cover, wherein the water distribution disc, the water outlet panel, the sealing ring, the water outlet steel sheet and the steel sheet sealing cover are sequentially arranged in the shower head shell; the water outlet panel is provided with an outer ring water outlet hole, a middle ring water outlet hole and an inner ring water outlet head, the spray head shell, the water distribution disc and the water outlet panel are assembled in a sealing mode to form a first water outlet channel, a second water outlet channel and a third water outlet channel which are separated from each other, the first water outlet channel is communicated with the outer ring water outlet hole, the second water outlet channel is communicated with the middle ring water outlet hole, and the third water outlet channel is communicated with the inner ring water outlet head;

the water outlet steel sheet is abutted against the water outlet side of the water outlet panel and is in threaded connection with the water outlet panel through a steel sheet sealing cover to realize sealing fit;

the water outlet steel sheet is provided with through holes which correspond to the inner ring water outlet heads one by one and are used for the inner ring water outlet heads to penetrate to the water outlet side of the water outlet steel sheet; the water outlet steel sheet is also provided with a water spraying hole which is communicated with a water outlet hole of the middle ring;

the water outlet panel is provided with sealing grooves distributed along the circumferential direction of the inner ring water outlet head; the outer edge of the sealing ring is provided with a V-shaped groove, the groove wall of one side of the V-shaped groove is abutted against the sealing groove of the water outlet panel, and the groove wall of the other side of the V-shaped groove is abutted against the water outlet steel sheet, so that the communicated space of the water spray hole and the water outlet hole of the middle ring is sealed and separated from the through hole of the water outlet steel sheet;

the shower head further comprises a waterway switching mechanism, and the waterway switching mechanism is used for switching the water inlet channel of the handle to be communicated with the first water outlet channel, the second water outlet channel or the third water outlet channel.

2. The showerhead of claim 1 wherein the inlet side of the outlet plate has an annular groove that is part of the first outlet passage;

the water outlet holes of the outer ring are positioned in the annular groove and are uniformly distributed along the circumferential direction of the annular groove.

3. The shower head as claimed in claim 2, wherein the annular groove of the outlet panel is provided with an annular water-equalizing plate having a plurality of water-equalizing holes distributed along a circumferential direction thereof, and the sizes of the water-equalizing holes increase from bottom to top along a height direction.

4. The shower head as claimed in claim 3, wherein the outlet side of the water distributor is provided with a guiding column, the inlet side of the outer ring outlet of the outlet panel is provided with a guiding groove, and the guiding column and the guiding groove are in one-to-one correspondence and are in insertion fit to form a spiral guiding channel communicated with the outer ring outlet.

5. The showerhead of claim 4, wherein the guide groove has water inlet notches on both sides, and the water inlet notches and the side walls of the guide groove inner cavity form a spiral flow passage.

6. The showerhead of claim 5, wherein the spiral channels are formed to be centrosymmetric.

7. The showerhead of any one of claims 1 to 6 wherein the inlet side of the outlet plate has an inlet channel which is part of the third outlet channel; the water inlet end of the inner ring water outlet head is positioned in the water inlet groove;

the water inlet tank is provided with a rotating shaft extending along the axial direction of the water inlet tank, and the rotating shaft is provided with an impeller.

8. The showerhead of claim 7 wherein the diverter tray has an outlet opening communicating with the inlet channel of the outlet plate, the inlet side of the diverter tray having an angled flow path corresponding to the outlet opening.

9. The shower head as claimed in any one of claims 1 to 6, wherein the waterway switching mechanism comprises a switching rotary drum and a shifting piece, the switching rotary drum is sleeved inside the water inlet end of the shower head shell and is in running fit with the water inlet end of the shower head shell, and the shifting piece is in driving connection with the switching rotary drum; the first end of the switching rotary drum is provided with a waterway switching port, and the second end of the switching rotary drum is opened and is butted with the water outlet end of the water inlet channel of the handle;

when the shifting sheet drives the switching rotary drum to rotate to a first target position, the waterway switching port is communicated with the first water outlet channel;

when the shifting sheet drives the switching rotary drum to rotate to a second target position, the waterway switching port is communicated with the second water outlet channel;

when the shifting sheet drives the switching rotary drum to rotate to a third target position, the waterway switching port is communicated with the third water outlet channel.

10. The showerhead of any one of claims 1 to 6, wherein the water inlet end or the handle of the showerhead housing is provided with a water stop switch.

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