CN117181477A - Improved spray head - Google Patents

Abstract

The application discloses an improved spray head, which comprises a spray head main body; the side part of the spray head main body is rotatably connected with a water inlet joint; the side part of the spray head main body is provided with a spray head water outlet, and the end part of the spray head main body is provided with an end part water outlet; the shower nozzle main body is provided with a first change-over switch for switching the water outlet of the shower nozzle or the water outlet of the end part. Compared with the prior art, the shower nozzle is conveniently switched when being pulled out and held on the hand by arranging the first switch for manual switching on the shower nozzle main body.

Description

Improved spray head

Technical Field

The application relates to the technical field of kitchens and bathrooms, in particular to an improved spray head.

Background

Chinese patent 202320078614.6 discloses a novel faucet structure, it sets up gondola water faucet subassembly and the second apopore that is located the tip on water diversion connecting piece (shower nozzle main part), and during the use is through opening the control switch on the tap outlet pipe to realize the switching of gondola water faucet play water and tip play water through rotatory water diversion connecting piece for the rotation of water diversion seat (water inlet joint), water diversion seat must the joint in the tap main part this moment.

However, when the nozzle body is mounted on the drawing hose of the drawing tap, after the nozzle body is drawn out of the tap body, the spray switching between the water outlet of the shower and the water outlet of the end part can not be realized by rotating the water distribution seat, so that the use of consumers is inconvenient.

In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art.

Disclosure of Invention

The application mainly aims to provide an improved spray head which solves the problem that an existing spray head main body is inconvenient to use.

In order to achieve the above object, the solution of the present application is:

an improved spray head, which comprises a spray head main body; the side part of the spray head main body is rotatably connected with a water inlet joint; the side part of the spray head main body is provided with a spray head water outlet, and the end part of the spray head main body is provided with an end part water outlet; the shower nozzle main body is provided with a first change-over switch for switching the water outlet of the shower nozzle or the water outlet of the end part.

Further, the shower nozzle main body comprises a shell and an inner core body fixedly connected in the shell, the shower nozzle water outlet is formed on the inner core body, and a shower nozzle water window corresponding to the shower nozzle water outlet is formed on the shell; a first waterway connected with a water inlet connector and a water outlet of the shower head is formed in the inner core body; a second waterway which is connected with the water inlet joint and the water outlet at the end part is also formed in the inner core body; the first switch is connected to the connection part of the first waterway and the second waterway.

Further, the first switching switch comprises a switching cavity, a piston rod, a guide cylinder and a rotary driving part, wherein the switching cavity, the piston rod, the guide cylinder and the rotary driving part are positioned on the sprayer main body; the switching cavity is provided with a cylindrical inner wall, and the head part of the piston rod is provided with a cylindrical plug matched with the switching cavity; a water inlet through hole communicated with the water inlet joint is formed on the inner wall of the switching cavity, and a first water outlet through hole communicated with the water outlet of the shower head is also formed on the inner wall of the switching cavity; a second water outlet is also arranged in the switching cavity; the guide cylinder and the switching cavity are coaxially arranged, an inclined chute is arranged on the guide cylinder, a guide pillar is formed on the piston rod, and the guide pillar is in sliding connection with the inclined chute; the rotary driving part is rotationally connected with the guide cylinder, and is slidably connected with the piston rod and can synchronously rotate with the piston rod; the piston rod is provided with a first position and a second position in the switching cavity; when the piston rod is positioned at a first position, the water inlet through port is communicated with the first water outlet through port, and the water inlet through port is not communicated with the second water outlet through port; when the piston rod is in the second position, the water inlet through port is not communicated with the first water outlet through port, and the water inlet through port is communicated with the second water outlet through port.

Further, the rotary driving part comprises a rotary cylinder and a driving handle, the rotary cylinder is rotationally connected with the guide cylinder, and a rectangular hole is formed in the middle of the rotary cylinder; the upper end of the piston rod is provided with an inserting block with a rectangular section, and the inserting block is inserted into the rectangular hole and is in sliding connection with the rectangular hole; the rotary driving part is connected with a driving handle which extends out of the shell of the spray head main body.

Further, two inclined sliding grooves are formed in the guide cylinder and are symmetrical to the axis center of the guide cylinder; the piston rod is provided with two guide posts which are arranged at 180-degree intervals; the guide cylinder comprises a lower cylinder part and an upper cylinder part, the inclined chute is formed on the lower cylinder part, and the upper end of the inclined chute is provided with a first opening extending to the upper edge of the lower cylinder part; the upper cylinder part and the lower cylinder part are coaxially arranged and cover the first opening; the upper cylinder part is provided with a clamping block extending into the first opening, the lower end of the clamping block is provided with an inclined plane, and the inclined plane is flush with the upper inner wall of the inclined chute.

Further, an inwards extending limiting ring is formed in the upper cylinder part, a piston rod penetrates through a central hole of the limiting ring, the inner wall of the limiting ring is rotationally connected with the piston rod, and the piston rod can axially move relative to the limiting ring.

Further, the shower nozzle main body is also provided with a cover body for covering the shower nozzle water outlet, and the cover body is connected with the rotary driving part so as to switch the position of the cover body between a cover-closed state and an open state; when the piston rod is in the second position and the cover body is in the covering state, the cover body completely covers the water outlet of the shower head; when the piston rod is in the first position and the cover body is in an open state, the cover body is completely hidden in the shell. Further, a cylindrical cam strip is arranged on the side surface, close to the spray head main body, of the water inlet connector, a first supporting top and a second supporting top are arranged on the cylindrical cam strip at different positions in the axial direction of the water inlet connector, and a transition section is arranged between the first supporting top and the second supporting top; the included angle between the first propping part and the second propping part and the axis of the water inlet joint is 90 degrees; a water stopping cavity is formed on the first waterway, and the water stopping cavity is provided with a second opening facing the cylindrical cam strip; a water stop piston is arranged in the water stop cavity, a spring for propping the water stop piston outwards is also arranged in the water stop cavity, and one end of the water stop piston extending out of the second opening is propped against the cylindrical cam strip; when the water stop piston is abutted with the first abutting part, the water stop piston plugs the second waterway; when the water stop piston is abutted with the second abutting part, the water stop piston is communicated with the second waterway.

Further, a water inlet through hole and a water outlet through hole are formed in the inner wall of the water stop cavity, and the water outlet through hole is communicated with the end water outlet; the depth positions of the water inlet via hole and the water outlet via hole in the water stopping cavity are different; the water inlet via hole is closer to the opening of the water stop cavity than the water outlet via hole; the first abutment portion is closer to the head body than the second abutment portion.

Further, the end water outlet comprises a foam core water outlet and a jet water outlet, and a second switch for switching the foam core water outlet to discharge water or the jet water outlet to discharge water is further arranged on the nozzle main body.

After the structure is adopted, the improved spray head has the following beneficial effects:

1. the water inlet connector can be connected with a drawing hose of the drawing tap, and after the spray head is drawn out of the drawing main body, the water outlet of the shower head and the water outlet at the end part are switched through the first switch. The first change-over switch does not depend on the rotation of the spray head main body relative to the tap main body, so that the state of the second change-over switch can be switched on the hand of a user, and the use is very convenient.

2. The driving handle extending out of the shell drives the rotary cylinder, the rotary cylinder drives the piston rod to rotate in the guide cylinder, and the guide pillar and the inclined sliding groove move in the guide cylinder, so that the piston rod moves axially in the switching cavity. So realize the switching of water inlet joint and first water route intercommunication or water inlet joint and second water route intercommunication.

3. When the water outlet of the shower head is in a closed state, the cover body covers the water outlet of the shower head, so that the blockage caused by the enrichment of dirt such as kitchen oil smoke in small holes of the water outlet of the shower head is avoided. When the cover body is in an open state, the cover body is positioned between the outer shell and the inner core body and is completely hidden in the outer shell, so that the outer space of the outer shell is not occupied.

4. Through setting up cylindrical cam strip with the stagnant water piston is to the cooperation, is in like this the water inlet joint peg graft in the tap main part, and tip delivery port goes out water downwards, if directly rotate 90 degrees with the shower nozzle main part this moment for shower nozzle delivery port down and tip delivery port orientation level, the stagnant water piston is from supporting the top with the second and turning into with first supporting the top and supporting the top, stagnant water piston will in the stagnant water intracavity the second water route is closed, has avoided forgetting under the circumstances of closing the tap and has directly rotated the shower nozzle main part and lead to tip rivers splash outside the basin. The shower head can also perform rotary switching until the end faces horizontally, and then the shower head is switched to the water outlet of the shower head through the first switch.

Compared with the prior art, the shower nozzle is conveniently switched when being pulled out and held on the hand by arranging the first switch for manual switching on the shower nozzle main body.

Drawings

Fig. 1 is a schematic perspective view of a shower outlet of an improved shower nozzle according to the present application.

Fig. 2 is a schematic perspective view of the structure of the shower nozzle body cover of the present application when the water outlet at the end is covered.

Fig. 3 is a schematic perspective view of the present application when the cover is half-closed.

Fig. 4 is a schematic perspective view of the present application with the housing removed.

Fig. 5 is a schematic perspective exploded view of the present application with the housing removed.

Fig. 6 is a schematic perspective cross-sectional view of the present application with the piston rod in a first position.

Fig. 7 is an enlarged schematic view of the structure at a in fig. 6.

Fig. 8 is a schematic perspective cross-sectional view of the present application with the piston rod in the second position.

Fig. 9 is a schematic perspective view of the cover and the drive handle.

Fig. 10 is a schematic perspective exploded view of the first switch.

Fig. 11 is a schematic view of the internal structure of the switching chamber and the guide cylinder.

Fig. 12 is a schematic structural view of the connection of the cover body and the rotary cylinder.

Fig. 13 is a schematic structural view of the water piston when it abuts against the second abutment portion of the cylindrical cam strip.

Fig. 14 is an enlarged schematic view of the structure at B in fig. 13.

Fig. 15 is a schematic structural view of the water piston when it abuts against the first abutment portion of the cylindrical cam strip.

Fig. 16 is an enlarged schematic view of the structure of fig. 15C.

FIG. 17 is a schematic cross-sectional view of the present application as the water piston is abutting the first abutment portion of the cylindrical cam strip.

Fig. 18 is an enlarged schematic view of the structure at D in fig. 17.

Fig. 19 is a schematic perspective view of a water inlet joint.

Fig. 20 is a schematic perspective view of another angle of the water inlet joint.

In the figure:

a head main body 1; a shower water outlet 11; an end water outlet 12; a foam core water outlet 121; a jet outlet 122; a second change-over switch 123; a housing 13; a shower water window 131; an adjustment window 132; an inner core 14; a first switching switch 2; a switching chamber 21; a water inlet port 211; a first water outlet port 212; a second water outlet port 213; a piston rod 22; a plug 221; a middle water passing chamber 222; guide post 223; a plug 224;

a guide cylinder 23; a lower cylinder portion 231; a diagonal chute 2311; an upper cylinder 232; a stop collar 2321; a rotation driving section 24; a rotary drum 241; a rectangular hole 2411; a drive handle 242; a cover 3; a positioning sleeve 4; a positioning hook 41;

a water inlet joint 5; a mating bump 50; a cylindrical cam bar 51; a first abutment 511; a second abutment portion 512; a transition section 513; positioning the bump 52; a water stop cavity 6; a water inlet via hole 61; a water outlet via 62; a water stop piston 63; and a spring 64.

Detailed Description

In order to further explain the technical scheme of the application, the application is explained in detail by specific examples.

As shown in fig. 1 to 20, an improved shower head according to the present application includes a shower head main body 1; the side part of the spray head main body 1 is rotatably connected with a water inlet joint 5; the side part of the spray head main body 1 is provided with a spray head water outlet 11, and the end part of the spray head main body 1 is provided with an end part water outlet 12; preferably, the nozzle body 1 has a cylindrical shape; the shower nozzle main body 1 is provided with a first switch 2 for switching water outlet of the shower nozzle water outlet 11 or the end water outlet 12. In this way, the improved shower nozzle according to the present application, the water inlet connector 5 may be connected to a pull hose of a pull tap, and after the shower nozzle is pulled out of the pull main body, the shower nozzle water outlet 11 and the end water outlet 12 are switched by the first switch 2. The first change-over switch does not depend on the rotation of the spray head main body 1 relative to the tap main body, so that the state of the second change-over switch can be switched on the hand of a user, and the use is very convenient.

Preferably, as shown in fig. 3 to 12, the spray head main body 1 includes a housing 13 and an inner core 14 fixedly connected to the housing 13, the shower water outlet 11 is formed on the inner core 14, and a shower water window 131 corresponding to the shower water outlet 11 is formed on the housing 13; a first waterway connecting the water inlet joint 5 and the water outlet 11 of the shower head is formed in the inner core body 14; a second waterway connecting the water inlet joint 5 and the end water outlet 12 is also formed in the inner core body 14; the first change-over switch 2 is connected to the connection part of the first waterway and the second waterway.

Specifically, as shown in fig. 6 and 10, the first switch 2 includes a switching chamber 21, a piston rod 22, a guide cylinder 23, and a rotation driving portion 24, which are located on the inner core 14; the switching chamber 21 has a cylindrical inner wall, and the head of the piston rod 22 has a cylindrical plug 221 cooperating with the switching chamber 21; a water inlet through hole 211 communicated with the water inlet joint 5 is formed on the inner wall of the switching cavity 21, and a first water outlet through hole 212 communicated with the sprinkler water outlet 11 is also formed on the inner wall of the switching cavity 21; a second water outlet port 213 is also arranged in the switching cavity 21; the guide cylinder 23 is coaxially arranged with the switching cavity 21, an inclined chute 2311 is arranged on the guide cylinder 23, a guide post 223 is formed on the piston rod 22, and the guide post 223 is slidably connected with the inclined chute 2311; the rotation driving part 24 is rotatably connected with the guide cylinder 23, and the rotation driving part 24 is slidably connected with the piston rod 22 and can rotate synchronously with the piston rod 22; the piston rod 22 has a first position and a second position within the switching chamber 21; when the piston rod 22 is at the first position, the water inlet through hole 211 is communicated with the first water outlet through hole 212, and the water inlet through hole 211 is not communicated with the second water outlet through hole 213; when the piston rod 22 is in the second position, the water inlet port 211 is not communicated with the first water outlet port 212, and the water inlet port 211 is communicated with the second water outlet port 213. Preferably, the plug 221 is formed with a middle water passing cavity 222, sealing rings are disposed on the upper and lower sides of the middle water passing cavity 222, and when the piston rod 22 is in the first position, the middle water passing cavity 222 is simultaneously communicated with the water inlet through hole 211 and the first water outlet through hole 212.

As shown in fig. 9, the rotation driving part 24 includes a rotation cylinder 241 and a driving handle 242, the rotation cylinder 241 is rotatably connected with the guide cylinder 23, and a rectangular hole 2411 is formed in the middle of the rotation cylinder 241; the upper end of the piston rod 22 is formed with an insertion block 224 with a rectangular cross section, and the insertion block 224 is inserted into the rectangular hole 2411 and slidably connected with the rectangular hole 2411; the rotary driving part 24 is connected to a driving handle 242 extending from the outer housing 13 of the head body 1. The driving of the rotary cylinder 241 is realized by a driving handle 242 extending out of the adjusting window 132 on the housing 13, the rotary cylinder 241 further drives the piston rod 22 to rotate in the guide cylinder 23, and the guide post 223 and the inclined sliding groove 2311 move in order to realize the axial movement of the piston rod 22 in the switching cavity 21. So that the water inlet joint 5 is communicated with the first waterway or the water inlet joint is communicated with the second waterway.

Preferably, the guiding cylinder 23 is provided with two inclined sliding grooves 2311, and the two inclined sliding grooves 2311 are centrally symmetrical about the axis of the guiding cylinder 23; the piston rod 22 is provided with two guide posts 223, and the two guide posts 223 are arranged at 180-degree intervals.

The guide cylinder 23 includes a lower cylinder portion 231 and an upper cylinder portion 232, the inclined chute 2311 is formed on the lower cylinder portion 231, and the upper end of the inclined chute 2311 has a first opening extending to the upper edge of the lower cylinder portion 231; the upper cylinder 232 and the lower cylinder 231 are coaxially arranged and cover the first opening; the upper cylinder 232 has a clamping block extending into the first opening, and an inclined plane is formed at the lower end of the clamping block, and the inclined plane is flush with the upper inner wall of the inclined chute 2311. Two guide posts 223 are symmetrically disposed on the piston rod 22, and the two guide posts 223 are respectively engaged with the corresponding inclined sliding grooves 2311. The guide cylinder 23 is composed of two parts, an upper cylinder part 232 and a lower cylinder part 231 for the purpose of facilitating the installation of the guide post 223 in the inclined chute 2311. After the guide post 223 of the piston rod 22 is installed in the lower cylinder 231, the upper cylinder 232 is connected to the upper end of the lower cylinder 231, and the clip is inserted into the first opening.

Preferably, an inwardly extending stop collar 2321 is formed in the upper barrel 232, a central hole of the stop collar 2321 is provided for the piston rod 22 to pass through, an inner wall of the stop collar 2321 is rotationally connected with the piston rod 22, and the piston rod 22 can axially move relative to the stop collar 2321. The limit ring 2321 in the upper barrel 232 performs auxiliary limit on the piston rod 22, so as to reduce the shake of the upper part of the piston rod 22.

Preferably, the shower head main body 1 further has a cover 3 for covering the shower water outlet 11, the cover 3 being connected to the rotation driving part 24 so that the cover 3 is position-switched between a closed state and an open state; when the piston rod 22 is at the second position and the cover body 3 is in the covering state, the cover body 3 completely covers the shower water outlet 11; when the piston rod 22 is in the first position and the cover 3 is in the open state, the cover 3 is completely hidden in the housing 13. The driving handle 242 is in plug connection with the upper end of the cover body 3, and the cover body 3 is connected with the rotating cylinder 241 through a fastening structure, so that synchronous rotation of the rotating cylinder 241, the cover body 3 and the driving handle 242 is realized. When the shower water outlet 11 is in a closed state, the cover body 3 covers the shower water outlet 11, so that the blockage caused by the enrichment of dirt such as kitchen oil smoke in small holes of the shower water outlet 11 is avoided. When the cover body 3 is in an open state, the cover body 3 is positioned between the outer shell 13 and the inner core body 14 and is completely hidden in the outer shell 13, so that the outer space of the outer shell 13 is not occupied.

Preferably, as shown in fig. 13 to 20, a cylindrical cam strip 51 is disposed on the side of the water inlet joint 5 near the spray head main body 1, the cylindrical cam strip 51 is provided with a first abutting portion 511 and a second abutting portion 512 at different positions in the axial direction of the water inlet joint 5, and a transition section 513 is arranged between the first abutting portion 511 and the second abutting portion 512; the first propping part 511, the second propping part 512 and the axis of the water inlet joint 5 form an included angle of 90 degrees; a water stopping cavity 6 is formed on the first waterway, and the water stopping cavity 6 is provided with a second opening facing the cylindrical cam strip 51; a water stop piston 63 is arranged in the water stop cavity 6, a spring 64 for propping the water stop piston 63 outwards is also arranged in the water stop cavity 6, and one end of the water stop piston 63 extending out of the second opening is propped against the cylindrical cam strip 51; when the water stop piston 63 abuts against the first abutting portion 511, the water stop piston 63 seals the second waterway; when the water stop piston 63 abuts against the second abutting portion 512, the water stop piston 63 communicates with a second water passage.

Through setting up cylindrical cam strip 51 with sealing up piston 63 is to the cooperation, is in like this water inlet joint 5 pegging graft on the tap main part, and tip delivery port 12 goes out water downwards, if directly rotates 90 degrees with shower nozzle main part 1 this moment for shower nozzle delivery port 11 is down and tip delivery port 12 is towards the level, sealing up piston 63 from with second butt portion 512 butt portion to with first butt portion 511 butt portion, sealing up piston 63 will the second water route is closed in sealing up chamber 6, has avoided forgetting under the circumstances of closing the tap direct with shower nozzle main part 1 rotatory and lead to tip rivers splash outside the basin. After rotation and switching, the water can be discharged through switching to the shower outlet 11 through the first switch 2 after the end faces horizontally.

Preferably, a water inlet through hole 61 and a water outlet through hole 62 are formed on the inner wall of the water stopping cavity 6, and the water outlet through hole 62 is communicated with the end water outlet 12; the depth positions of the water inlet through holes 61 and the water outlet through holes 62 in the water stopping cavity 6 are different; the water inlet through hole 61 is closer to the opening of the water stopping cavity 6 than the water outlet through hole 62; the first abutting portion 511 is closer to the head main body 1 than the second abutting portion 512. When the spray head main body 1 rotates relative to the water inlet joint 5, the spring 64 ensures that the water stop piston 63 always abuts against the cylindrical cam strip 51, so that the position of the water stop piston 63 in the water stop cavity 6 is changed according to the position change of the abutting points on the water stop piston 63 and the cylindrical cam strip 51.

Preferably, as shown in fig. 18 to 20, the water inlet connector is formed with external threads, the water inlet connector is also formed with a plug-in protruding block 50, and the plug-in protruding block 50 is used for positioning the water inlet connector and the tap main body to ensure correct orientation; the water inlet joint 5 is provided with a positioning lug 52; the water inlet joint 5 is also provided with a positioning sleeve 4 fixedly connected with the shell 13, and the positioning sleeve 4 realizes axial movement of the water inlet joint 5 and the shell 13; the positioning projection 52 on the water inlet joint 5 is matched with the positioning hook 41 on the positioning sleeve 4, so that the rotation angle range of the spray head main body 1 relative to the water inlet joint 5 is limited.

Preferably, the end water outlet 12 includes a foam core water outlet 121 and a jet water outlet 122, and a second switch 123 for switching the water from the foam core water outlet 121 or the jet water outlet 122 on the second waterway is further arranged on the nozzle body 1. So the user can switch the spray of the end water outlet 12 according to the requirement, the jet water flow of the jet water outlet 122 has stronger impact force, and is suitable for flushing stubborn greasy dirt.

Compared with the prior art, the shower nozzle is conveniently switched when being pulled out and held on the hand by arranging the first switch 2 for manual switching on the shower nozzle main body 1.

The above examples and drawings are not intended to limit the form or form of the present application, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present application.

Claims (10)

1. An improved spray head is characterized by comprising a spray head main body; the side part of the spray head main body is rotatably connected with a water inlet joint; the side part of the spray head main body is provided with a spray head water outlet, and the end part of the spray head main body is provided with an end part water outlet; the shower nozzle main body is provided with a first change-over switch for switching the water outlet of the shower nozzle or the water outlet of the end part.

2. The improved shower head as claimed in claim 1, wherein said shower head body comprises a housing and an inner core fixedly connected to the inside of the housing, said shower water outlet being formed in the inner core, said housing being formed with a shower water window corresponding to the shower water outlet; a first waterway connected with a water inlet connector and a water outlet of the shower head is formed in the inner core body; a second waterway which is connected with the water inlet joint and the water outlet at the end part is also formed in the inner core body; the first switch is connected to the connection part of the first waterway and the second waterway.

3. An improved spray head according to claim 2, wherein said first switch comprises a switching chamber, a piston rod, a guide cylinder and a rotary drive on said spray head body; the switching cavity is provided with a cylindrical inner wall, and the head part of the piston rod is provided with a cylindrical plug matched with the switching cavity; a water inlet through hole communicated with the water inlet joint is formed on the inner wall of the switching cavity, and a first water outlet through hole communicated with the water outlet of the shower head is also formed on the inner wall of the switching cavity; a second water outlet is also arranged in the switching cavity; the guide cylinder and the switching cavity are coaxially arranged, an inclined chute is arranged on the guide cylinder, a guide pillar is formed on the piston rod, and the guide pillar is in sliding connection with the inclined chute; the rotary driving part is rotationally connected with the guide cylinder, and is slidably connected with the piston rod and can synchronously rotate with the piston rod; the piston rod is provided with a first position and a second position in the switching cavity; when the piston rod is positioned at a first position, the water inlet through port is communicated with the first water outlet through port, and the water inlet through port is not communicated with the second water outlet through port; when the piston rod is in the second position, the water inlet through port is not communicated with the first water outlet through port, and the water inlet through port is communicated with the second water outlet through port.

4. An improved spray head according to claim 3, wherein the rotary driving part comprises a rotary cylinder and a driving handle, the rotary cylinder is rotatably connected with the guide cylinder, and a rectangular hole is formed in the middle of the rotary cylinder; the upper end of the piston rod is provided with an inserting block with a rectangular section, and the inserting block is inserted into the rectangular hole and is in sliding connection with the rectangular hole; the rotary driving part is connected with a driving handle which extends out of the shell of the spray head main body.

5. An improved spray head according to claim 3, wherein the guide cylinder is provided with two inclined slide grooves which are centrally symmetrical with respect to the axis of the guide cylinder; the piston rod is provided with two guide posts which are arranged at 180-degree intervals; the guide cylinder comprises a lower cylinder part and an upper cylinder part, the inclined chute is formed on the lower cylinder part, and the upper end of the inclined chute is provided with a first opening extending to the upper edge of the lower cylinder part; the upper cylinder part and the lower cylinder part are coaxially arranged and cover the first opening; the upper cylinder part is provided with a clamping block extending into the first opening, the lower end of the clamping block is provided with an inclined plane, and the inclined plane is flush with the upper inner wall of the inclined chute.

6. The improved sprayer according to claim 5, wherein an inwardly extending stop collar is formed in the upper barrel portion, a central bore of the stop collar is provided for the piston rod to pass through, an inner wall of the stop collar is rotatably connected to the piston rod, and the piston rod is axially movable relative to the stop collar.

7. An improved spray head according to claim 3, wherein the spray head body further comprises a cover for covering the water outlet of the shower head, the cover being connected to the rotary drive part to switch the position of the cover between the closed and open positions; when the piston rod is in the second position and the cover body is in the covering state, the cover body completely covers the water outlet of the shower head; when the piston rod is in the first position and the cover body is in an open state, the cover body is completely hidden in the shell.

8. The improved sprinkler of claim 2, wherein a cylindrical cam strip is provided on a side of the water inlet joint adjacent to the sprinkler body, the cylindrical cam strip having first and second abutments at different positions in an axial direction of the water inlet joint, a transition section being provided between the first and second abutments; the included angle between the first propping part and the second propping part and the axis of the water inlet joint is 90 degrees; a water stopping cavity is formed on the first waterway, and the water stopping cavity is provided with a second opening facing the cylindrical cam strip; a water stop piston is arranged in the water stop cavity, a spring for propping the water stop piston outwards is also arranged in the water stop cavity, and one end of the water stop piston extending out of the second opening is propped against the cylindrical cam strip; when the water stop piston is abutted with the first abutting part, the water stop piston plugs the second waterway; when the water stop piston is abutted with the second abutting part, the water stop piston is communicated with the second waterway.

9. The improved sprinkler of claim 8, wherein the water-stop chamber has an inner wall formed with a water inlet via and a water outlet via, the water outlet via being in communication with the end water outlet; the depth positions of the water inlet via hole and the water outlet via hole in the water stopping cavity are different; the water inlet via hole is closer to the opening of the water stop cavity than the water outlet via hole; the first abutment portion is closer to the head body than the second abutment portion.

10. An improved spray head according to claim 2, wherein the end water outlet comprises a foam core water outlet and a jet water outlet, and a second switch for switching the foam core water outlet or the jet water outlet on the second waterway is further arranged on the spray head main body.