A shower head

Abstract

The embodiment of the present disclosure discloses a shower, which relates to but is not limited to kitchen and bathroom technology. The shower comprises a shell mechanism with a cavity and a water inlet hole, an impeller assembly, a cleaning piece and an energy storage piece. The shell mechanism has a water outlet disc provided with a water outlet hole. The energy storage piece is arranged to convert at least part of kinetic energy of the impeller assembly rotating in a first direction into potential energy in an energy storage state, and convert the potential energy into kinetic energy to drive the impeller assembly to rotate in a second direction opposite to the first direction in an energy release state. After water is supplied to the cavity, the impeller assembly rotates in the first direction under the action of water pressure, driving the cleaning piece to rotate and clean the water outlet disc; after the water supply to the cavity is stopped, the energy storage piece releases the potential energy, drives the impeller assembly to rotate in the second direction, drives the cleaning piece to rotate and clean the water outlet disc, spins the residual water on the cleaning piece and breaks the water tension at the water outlet hole, so that the residual water can be quickly discharged from the water outlet hole under the drive of the cleaning piece.

Description

Technical Field

[0001] This disclosure relates to, but is not limited to, kitchen and bathroom technology, and particularly to a shower head. Background Technology

[0002] After prolonged use, minerals in the water, such as calcium and magnesium ions, can easily deposit at the water outlets, forming scale and causing blockages that affect the water flow.

[0003] Currently, to remove limescale from the water outlet, existing technology involves installing a cleaning component in the shower head. The water flow impacts the impeller, causing the cleaning component to rotate, thereby cleaning the water outlet plate.

[0004] In existing showerheads, when the water is turned off, both the impeller and the cleaning components stop rotating. At this point, water remains in the cleaning components and inside the showerhead chamber. If this residual water is not drained promptly, limescale will accumulate, and the cleaning components, being in a closed, damp state for extended periods, are prone to bacterial growth. When the showerhead is used again, the cleaning components clean away the limescale, resulting in the sprayed water carrying limescale and bacteria for an extended period, which can negatively impact the user's skin health. Summary of the Invention

[0005] This disclosure provides a shower head, including:

[0006] The housing mechanism has a cavity and a water inlet communicating with the cavity. The housing mechanism also has a water outlet plate located on the circumferential outer side of the cavity, and the water outlet plate is provided with a water outlet communicating with the cavity.

[0007] An impeller assembly, housed in the cavity and supported by the housing mechanism, is configured to be driven to rotate in a first direction by water entering the cavity;

[0008] A cleaning component, housed in the cavity and connected to the impeller assembly, is configured to rotate with the impeller assembly to clean the water outlet tray; and

[0009] An energy storage device has an energy storage state and an energy release state. The energy storage device is connected to the impeller assembly and is configured to convert at least a portion of the kinetic energy of the impeller assembly when it rotates in the first direction into potential energy in the energy storage state, and to convert the potential energy into kinetic energy in the energy release state to drive the impeller assembly to rotate in a second direction opposite to the first direction.

[0010] In some embodiments of the shower head, the impeller assembly includes a shaft and an impeller, the shaft being rotatably connected to the housing mechanism, and the cleaning component being anti-rotatingly connected to the shaft;

[0011] The energy storage device includes a first end and a second end, the first end being anti-rotationally connected to the housing mechanism, and the second end being anti-rotationally connected to the rotating shaft.

[0012] The impeller is coaxially mounted on the rotating shaft and is configured to be driven by water entering the cavity to make the impeller assembly rotate in the first direction.

[0013] In some embodiments of the showerhead, during the transition from the energy storage state to the energy release state, the energy storage component gradually expands; during the transition from the energy release state to the energy storage state, the energy storage component gradually contracts; or

[0014] During the transition from the energy storage state to the energy release state, the energy storage component gradually shortens; during the transition from the energy release state to the energy storage state, the energy storage component gradually lengthens.

[0015] In some embodiments of the shower head, the shower head includes a backflow prevention mechanism, the backflow prevention mechanism includes a first limiting component and a second limiting component, one of the first limiting component and the second limiting component is disposed in the impeller assembly, and the other of the first limiting component and the second limiting component is disposed in the housing mechanism;

[0016] The anti-reverse mechanism has a limit state and a separation state;

[0017] In the limited position, the first limiting component is in contact with the second limiting component, and the anti-reverse mechanism guides the impeller assembly to rotate along the first direction at all times;

[0018] In the separated state, the first limiting component is separated from the second limiting component.

[0019] In some embodiments of the shower head, the housing mechanism is further provided with a flow passage, which communicates between the water inlet and the cavity;

[0020] The shower head also includes a valve core mechanism, which elastically abuts against the housing mechanism to seal the flow hole. The valve core mechanism is configured to be driven by water entering the inlet hole to open the flow hole and generate a reset driving force.

[0021] In some embodiments of the shower head, the valve core mechanism includes a valve core and a first elastic element, wherein the valve core is coaxially arranged with the flow hole and slidably connected to the housing mechanism;

[0022] The first elastic element is elastically clamped between the housing mechanism and the valve core, driving the valve core to seal the flow hole;

[0023] The valve core is configured to be driven by water entering the inlet hole to open the flow hole and compress the first elastic element, thereby generating a driving force for the valve core to reset.

[0024] In some embodiments of the shower head, one of the first limiting component and the second limiting component is disposed on the impeller assembly, and the other of the first limiting component and the second limiting component is disposed on the valve core and disposed on the housing mechanism through the valve core, and is configured to be able to move with the valve core under the drive of water entering the inlet hole, so that the first limiting component and the second limiting component come into contact.

[0025] In some embodiments of the shower head, the first limiting component includes a plurality of limiting protrusions, which are spaced apart around a third direction, and the third direction is coaxial with the rotation axis of the impeller assembly;

[0026] Driven by water entering the inlet hole, the valve core can be positioned between adjacent limiting protrusions to restrict the impeller assembly from rotating in the second direction.

[0027] In some embodiments of the shower head, the limiting protrusion has a limiting surface and a guide surface arranged sequentially along the first direction;

[0028] The second limiting component includes a limiting member and a second elastic member. The limiting member is movably mounted on the valve core and can slide relative to the valve core. The second elastic member is elastically clamped between the valve core and the limiting member and can drive the limiting member to move toward the impeller assembly.

[0029] The limiting member is configured to move with the valve core under the drive of water entering the inlet hole, so as to be positioned between adjacent limiting protrusions. During the rotation of the impeller assembly in the first direction, the limiting member can slide along the guide surface and compress the second elastic member to generate a driving force for the limiting member to reset. During the rotation of the impeller assembly in the second direction, the limiting member can abut against the limiting surface to restrict the rotation of the impeller assembly in the second direction.

[0030] In some embodiments of the showerhead, the valve core mechanism and the impeller assembly are arranged opposite each other along the third direction, the limiting protrusion is provided on the side of the impeller assembly facing the valve core mechanism along the third direction, the valve core mechanism can be driven to move along a fourth direction by water entering the inlet hole, and the limiting member can slide relative to the valve core along the fourth direction, the fourth direction being parallel to the third direction; or

[0031] The valve core mechanism and the impeller assembly are arranged sequentially along a direction perpendicular to the third direction. The limiting protrusion is located on the circumferential outer side of the impeller assembly. The limiting member can slide relative to the valve core along a fourth direction, which is parallel to the plane containing the first direction.

[0032] In some embodiments of the shower head, the end of the limiting member facing the impeller assembly has a spherical crown, the dimension of which along the fourth direction is smaller than the dimension of the limiting surface along the fourth direction;

[0033] The guide surface has a first arc surface and a second arc surface, the first arc surface and the second arc surface are connected in sequence and gradually approach the impeller assembly along the first direction, the first arc surface protrudes outward from the limiting protrusion, and the second arc surface protrudes inward from the limiting protrusion.

[0034] In some embodiments of the showerhead, the limiting surface extends along the fourth direction.

[0035] In some embodiments of the shower head, the limiting protrusion is a ratchet;

[0036] The second limiting component includes a plug-in end;

[0037] The plug-in end is configured to move with the valve core under the drive of water entering the inlet hole, so as to be positioned between adjacent limiting protrusions. During the rotation of the impeller assembly in the first direction, the plug-in end can move out from between adjacent limiting protrusions under the drive of the plurality of limiting protrusions, and move into between adjacent limiting protrusions under the action of its own elasticity or external force. During the rotation of the impeller assembly in the second direction, the plug-in end can engage with the limiting protrusions to restrict the rotation of the impeller assembly in the second direction.

[0038] In some embodiments of the shower head, the second limiting component further includes a connector disposed on the valve core, and the plug-in end has elastic deformation properties and is disposed on the connector;

[0039] The housing mechanism is provided with a guide groove, the extension direction of which is parallel to the movement direction of the plug end. The plug end passes through the guide groove and is slidably connected to the housing mechanism.

[0040] In some embodiments of the shower head, the cavity includes a body and a flow channel, the flow channel communicating between the flow hole and the body;

[0041] The housing mechanism is provided with a circumferential wall;

[0042] The valve core mechanism and the impeller assembly are housed within the flow channel;

[0043] One end of the circumferential wall near the flow hole is disposed in the housing mechanism, and the other end is connected to the flow channel. The circumferential wall and the housing mechanism can be closed to form a receiving groove. The plurality of limiting protrusions are received in the receiving groove. At least one of the housing mechanism and the circumferential wall has a clearance space communicating with the receiving groove. The clearance space is configured to allow space to avoid movement of the valve core mechanism.

[0044] This disclosure includes a housing mechanism with a cavity and a water inlet, an impeller assembly housed in the cavity and supported by the housing mechanism, a cleaning component housed in the cavity and connected to the impeller assembly, and an energy storage component having an energy storage state and an energy release state. The housing mechanism has a water outlet plate with a water outlet. The energy storage component is configured to convert at least a portion of the kinetic energy of the impeller assembly rotating in a first direction into potential energy in the energy storage state, and to convert the potential energy into kinetic energy in the energy release state, thereby driving the impeller assembly to rotate in a second direction opposite to the first direction. After water is supplied to the cavity, the impeller assembly rotates in the first direction under the action of water pressure, converting at least part of the kinetic energy into potential energy, and driving the cleaning component to rotate to clean the water outlet plate, making the scale on the water outlet plate and the water outlet hole loose and easy to be discharged from the water outlet hole with the water. After the water supply to the cavity stops, the water pressure disappears, the energy storage component releases potential energy, drives the impeller assembly to rotate in the second direction, drives the cleaning component to rotate to clean the water outlet plate, shakes off the residual water on the cleaning component and breaks the surface tension of the water at the water outlet hole, so that the residual water in the shower head can be quickly discharged from the water outlet hole under the drive of the cleaning component, thus making the shower head free of residual water, not easy to form scale, and achieving the effect of descaling and preventing the growth of bacteria.

[0045] Other features and advantages of this disclosure will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the disclosure. Other advantages of this disclosure may be realized and obtained by means of the methods described in the description and the accompanying drawings. Attached Figure Description

[0046] The accompanying drawings are used to provide an understanding of the technical solutions of this disclosure and form part of the specification. They are used together with the embodiments of this disclosure to explain the technical solutions of this disclosure and do not constitute a limitation on the technical solutions of this disclosure.

[0047] Figure 1 This is a schematic diagram of the shower head structure in one embodiment of the present disclosure;

[0048] Figure 2 This is a schematic diagram of the exploded structure of a shower head in one embodiment of the present disclosure;

[0049] Figure 3 for Figure 2 Enlarged structural diagram of section A in the middle;

[0050] Figure 4 for Figure 2 Enlarged structural diagram of section B;

[0051] Figure 5 for Figure 2 Enlarged structural diagram of section C;

[0052] Figure 6 for Figure 2 Enlarged structural diagram of section D in the middle;

[0053] Figure 7 for Figure 1 The diagram shows a cross-sectional view of the shower head, with the water flow turned off.

[0054] Figure 8 for Figure 7 Enlarged structural diagram of section E in the middle;

[0055] Figure 9 for Figure 8 Enlarged structural diagram of section F in the middle;

[0056] Figure 10 for Figure 1 The diagram shows a cross-sectional view of a shower head, in which the shower head is in the water-discharging state;

[0057] Figure 11 for Figure 10 Enlarged structural diagram of the middle G section;

[0058] Figure 12 for Figure 11 Enlarged structural diagram of the middle H section;

[0059] Figure 13 This is an exploded structural diagram of the impeller assembly, valve core mechanism, fourth housing and limiting gear in another embodiment of the present disclosure;

[0060] Figure 14 This is a partial cross-sectional view of the installation positions of the impeller assembly, valve core mechanism, fourth housing and limiting gear in another embodiment of this disclosure, wherein the shower head is in the water-off state;

[0061] Figure 15 for Figure 14 Enlarged structural diagram of the middle section (I);

[0062] Figure 16 This is a partial cross-sectional view of the installation positions of the impeller assembly, valve core mechanism, fourth housing, and limiting gear in another embodiment of this disclosure, wherein the shower head is in the water-discharging state;

[0063] Figure 17 for Figure 16 Enlarged structural diagram of the middle J section;

[0064] Figure 18 This is a partial cross-sectional view of the valve core mechanism and the limiting gear's limiting engagement position in another embodiment of this disclosure.

[0065] Explanation of icon numbers:

[0066] 10. Shell mechanism; 11. Face shell assembly; 111. Face cover; 112. Water outlet sleeve; 12. Water inlet tray; 121. Second connector; 13. Shell assembly; 131. First shell; 132. First cover; 133. Second shell; 1331. First connector; 134. Third shell; 135. Second cover; 136. Fourth shell; 137. Third cover; 14. Outer shell; 15. Water inlet ball head; 16. Circumferential 20. Wall; 21. Impeller assembly; 22. Blade; 23. Shaft; 30. Impeller; 31. Cleaning component; 31. Frame; 311. Inner disc; 312. Outer ring; 313. Connecting rod; 32. Brush; 40. Energy storage component; 41. Coil spring; 42. First end; 43. Second end; 50. Valve core mechanism; 51. Valve core; 511. Rod; 512. Plug; 5121. Conical surface; 5122. Sealing ring; 5123. Annular 52. Limiting part; 53. First elastic element; 54. Second limiting assembly; 55. Limiting element; 56. Spherical crown; 57. Second elastic element; 58. Annular protrusion; 59. Positioning post; 50. Insertion end; 51. Connecting part; 52. Sealing cover; 60. Limiting protrusion; 61. Limiting surface; 62. Guide surface; 621. First arc surface; 622. Second arc surface; 70. Limiting gear; 100. Cavity; 101 102. Body; 200. Flow channel; 300. Inlet hole; 400. Outlet hole; 500. Installation space; 600. Flow space; 700. Anti-rotation groove; 800. Flow hole; 901. Guide hole; 902. First positioning groove; 903. Third positioning groove; 1000. Through space; 1100. Guide through hole; 1200. Guide groove; 1300. Receiving groove; 1400. Clearance space. Detailed Implementation

[0067] This disclosure describes several embodiments, but these descriptions are exemplary and not limiting, and it will be apparent to those skilled in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are also possible. Unless specifically limited, any feature or element of any embodiment may be used in combination with, or may replace, any feature or element of any other embodiment.

[0068] This disclosure includes and contemplates combinations of features and elements known to those skilled in the art. The embodiments, features, and elements disclosed in this disclosure may also be combined with any conventional features or elements to form unique inventive solutions. Any feature or element of any embodiment may also be combined with features or elements from other inventive solutions to form another unique inventive solution. Therefore, it should be understood that any feature shown and / or discussed in this disclosure may be implemented individually or in any suitable combination. Therefore, the embodiments are not limited except by the limitations imposed by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.

[0069] Furthermore, in describing representative embodiments, the specification may have presented methods and / or processes as a specific sequence of steps. However, the method or process should not be limited to the specific order of steps described in this disclosure to the extent that it does not depend on such a specific order. As will be understood by those skilled in the art, other sequences of steps are also possible. Therefore, the specific order of steps set forth in the specification should not be construed as a limitation of the claims. Moreover, the claims relating to the method and / or process should not be limited to the steps performed in the order written, and those skilled in the art will readily understand that these orders can be varied and still remain within the spirit and scope of the embodiments of this disclosure.

[0070] In existing showerheads, when the water is turned off, both the impeller and the cleaning components stop rotating. At this point, water remains in the cleaning components and inside the showerhead chamber. If this residual water is not drained promptly, limescale will accumulate, and the cleaning components, being in a closed, damp state for extended periods, are prone to bacterial growth. When the showerhead is used again, the cleaning components clean away the limescale, resulting in the sprayed water carrying limescale and bacteria for an extended period, which can negatively impact the user's skin health.

[0071] This disclosure provides a shower head that can be installed in various environments such as companies, schools, homes, and factories to clean body parts, thereby improving people's quality of life and health. The shower head can be, but is not limited to, a handheld shower head or an overhead shower head. For ease of description, an overhead shower head will be used as an example below.

[0072] Please combine them together Figure 1 , Figure 2 , Figures 5 to 8 , Figure 10 , Figure 11 , Figure 13 , Figure 14 and Figure 16 This disclosure provides a shower head. The shower head includes a housing mechanism 10, an impeller assembly 20, a cleaning component 30, and an energy storage component 40.

[0073] The housing mechanism 10 has a cavity 100 and a water inlet 200 communicating with the cavity 100. The housing mechanism 10 also has a water outlet plate located circumferentially outside the cavity 100. The water outlet plate is provided with water outlet holes 300 communicating with the cavity 100. The number of water outlet holes 300 can be one or more. The flow areas of the multiple water outlet holes 300 can be the same or different. The cross-sectional shapes of the multiple water outlet holes 300 can be the same or different, including but not limited to regular shapes such as circles, ellipses, triangles, squares, or rhombuses, and may also include irregular shapes. The showerhead sprays water through the water outlet holes 300, forming a water pattern and spray effect that meets the user's cleaning needs.

[0074] The housing mechanism 10 can be a one-piece molded structure or a split structure. In this embodiment, the housing mechanism 10 includes a faceplate assembly 11, a water inlet tray 12, a housing assembly 13, a housing 14, and a water inlet ball head 15. The faceplate assembly 11 includes a face cover 111 and a water outlet sleeve 112, with the water outlet sleeve 112 disposed on one side of the face cover 111 to form a water outlet tray. The water outlet sleeve 112 and the face cover 111 can be integrally molded or connected by bonding or ultrasonic welding.

[0075] The water outlet 300 passes through the water outlet sleeve 112 and the face cover 111 in sequence. The outer shell 14 covers the side of the face cover 111 where the water outlet sleeve 112 is located, and can be closed with the face cover 111 to form an installation space 400. The water inlet plate 12 is housed in the installation space 400 and covers the side of the face cover 111 where the water outlet sleeve 112 is located, so as to be closed with the water outlet sleeve 112 to form a cavity 100. The housing assembly 13 is installed in the installation space 400. The water inlet ball head 15 is located on the outer shell 14, and the water inlet hole 200 is located on the water inlet ball head 15, and is connected to the cavity 100 in sequence through the water inlet ball head 15 and the housing assembly 13. The water inlet ball head 15 can be connected to a valve structure, and the valve structure controls whether water is supplied to the water inlet hole 200. The outer shell 14 can rotate relative to the water inlet ball head 15 to change the water outlet direction of the water outlet 300.

[0076] The impeller assembly 20 is housed in the cavity 100 and supported by the housing mechanism 10. The impeller assembly 20 is configured to be driven to rotate in a first direction by water entering the cavity 100. In this embodiment of the present disclosure, the impeller assembly 20 has a plurality of blades 21 arranged axially around the impeller assembly 20.

[0077] The cleaning component 30 is housed in the cavity 100 and connected to the impeller assembly 20. The cleaning component 30 is configured to rotate with the impeller assembly 20 to clean the water outlet tray. In this embodiment, the cleaning component 30 is a brush disc. The brush disc includes a frame 31 and brushes 32 disposed on the side of the frame 31 facing the water outlet tray. The brushes 32 are radially distributed along the frame 31 to ensure that when the brush disc rotates, the brushes 32 can sweep over a larger area, thereby ensuring a cleaning effect on the water outlet tray and a driving effect on residual water. It can be understood that in other embodiments, the cleaning component 30 may also be a scraper. The scraper may include a bracket and a scraper strip disposed on the side of the bracket facing the water outlet tray. The scraper strip may be made of a hard material or an elastomer material.

[0078] The frame 31 is provided with an overflow space 500 to ensure the connectivity of the cavity 100. In this embodiment, the frame 31 includes an inner disk 311, an outer ring 312, and multiple connecting rods 313. The inner disk 311 and the outer ring 312 are coaxially arranged, and the multiple connecting rods 313 are evenly distributed around the axial direction of the inner disk 311 and are radially connected between the inner disk 311 and the outer ring 312. Brushes 32 are disposed on the connecting rods 313. The overflow space 500 is disposed between adjacent connecting rods 313. This increases the number of brushes 32 with minimal impact on the connectivity of the cavity 100, and ensures that the same position of the water outlet disk is swept multiple times by the brushes 32 when the brush disk rotates once, improving the cleaning effect and the driving effect on residual water.

[0079] The impeller assembly 20 and the cleaning component 30 can be integrally formed, or they can be connected by means of plug-in, snap-fit, bonding or ultrasonic welding.

[0080] The energy storage component 40 has an energy storage state and an energy release state. The energy storage component 40 is connected to the impeller assembly 20 and is configured to, in the energy storage state, convert at least a portion of the kinetic energy of the impeller assembly 20 rotating along a first direction into potential energy, and in the energy release state, convert the potential energy into kinetic energy to drive the impeller assembly 20 to rotate along a second direction opposite to the first direction. The first and second directions can be respectively aligned with... Figure 5 and Figure 13 The arrows X and Y point in the same direction. One of the first direction and the second direction is clockwise, and the other is counterclockwise. The axial direction of the impeller assembly 20 is perpendicular to the plane containing the first and second directions.

[0081] During the transition from energy storage to energy release, the energy storage component 40 gradually expands; during the transition from energy release to energy storage, the energy storage component 40 gradually contracts. Alternatively, during the transition from energy storage to energy release, the energy storage component 40 gradually shortens; during the transition from energy release to energy storage, the energy storage component 40 gradually lengthens.

[0082] The energy storage component 40 can be an elastic energy storage component 40, capable of converting the kinetic energy of the impeller assembly 20 into elastic potential energy. The elastic energy storage component 40 can be, but is not limited to, a spring, a helical spring, a torsion spring, a gas spring, a rubber spring, or an elastic rope, etc.

[0083] In this embodiment, the elastic energy storage component 40 includes a coil spring 41. The coil spring 41 can continuously provide a large restoring force in a confined space, thus storing a large amount of elastic potential energy and ultimately converting it into a large amount of kinetic energy, thereby providing more power for the rotation of the impeller assembly 20 and the cleaning component 30 in the second direction. Simultaneously, the coil spring 41 saves space and facilitates installation. During the transition from the energy storage state to the energy release state, the coil spring 41 gradually unfolds to release the elastic potential energy; during the transition from the energy release state to the energy storage state, the coil spring 41 gradually contracts to store the elastic potential energy.

[0084] In other embodiments, the energy storage device 40 may be understood to include an elastic cord. During the transition from the energy storage state to the energy release state, the elastic cord gradually shortens to release elastic potential energy; during the transition from the energy release state to the energy storage state, the elastic cord gradually lengthens to store elastic potential energy.

[0085] In this embodiment, the energy storage component 40 and the cleaning component 30 are sequentially arranged along the axial direction of the impeller assembly 20 and interconnected through the impeller assembly 20. The impeller assembly 20 and the energy storage component 40 are mounted in the housing assembly 13. The housing assembly 13 may include multiple detachably connected housing structures to facilitate the installation of the impeller assembly 20 and the energy storage component 40. For example, the housing assembly 13 may include a first housing 131 and a first cover 132. The energy storage component 40 is installed in the space enclosed by the first housing 131 and the first cover 132. The first housing 131 and the first cover 132 are detachably connected to facilitate the installation of the energy storage component 40. The first housing 131 and the first cover 132 are also respectively provided with perforated structures to facilitate the connection between the impeller assembly 20 and the energy storage component 40 and the cleaning component 30. A sealing structure can also be provided between the impeller assembly 20 and the first housing 131 and the first cover 132 to prevent the energy storage component 40 from coming into contact with water, which would cause the energy storage component 40 to be corroded by water and affect the energy storage and release of the energy storage component 40.

[0086] This embodiment includes a housing mechanism 10 having a cavity 100 and a water inlet 200, an impeller assembly 20 housed in the cavity 100 and supported on the housing mechanism 10, a cleaning component 30 housed in the cavity 100 and connected to the impeller assembly 20, and an energy storage component 40 having an energy storage state and an energy release state. The housing mechanism 10 has a water outlet plate with an outlet 300. The energy storage component 40 is configured to convert at least a portion of the kinetic energy of the impeller assembly 20 rotating in a first direction into potential energy in the energy storage state, and to convert the potential energy into kinetic energy in the energy release state to drive the impeller assembly 20 to rotate in a second direction opposite to the first direction. After water is supplied to the cavity 100, the impeller assembly 20 rotates in the first direction under the action of water pressure, converting at least part of the kinetic energy into potential energy, and driving the cleaning component 30 to rotate to clean the water outlet plate, making the scale on the water outlet plate and the water outlet 300 loose and easy to be discharged from the water outlet 300 with the water; after the water supply to the cavity 100 stops, the water pressure disappears, the energy storage component 40 releases potential energy, drives the impeller assembly 20 to rotate in the second direction, drives the cleaning component 30 to rotate to clean the water outlet plate, shakes off the residual water on the cleaning component 30 and breaks the surface tension of the water at the water outlet 300, so that the residual water in the shower head can be quickly discharged from the water outlet 300 under the drive of the cleaning component 30, so that there is no residual water in the shower head, and it is not easy to form scale, thus achieving the effect of descaling and preventing the growth of bacteria.

[0087] In the exemplary embodiments, please refer to Figure 5 , Figure 6 , Figure 8 , Figure 11 , Figure 13 , Figure 14 and Figure 16 The impeller assembly 20 includes a shaft 22 and an impeller 23, with the shaft 22 rotatably connected to the housing mechanism 10. The cleaning component 30 is anti-rotatingly connected to the shaft 22.

[0088] The energy storage component 40 includes a first end 42 and a second end 43. The first end 42 is anti-rotatingly connected to the housing mechanism 10, and the second end 43 is anti-rotatingly connected to the rotating shaft 22. This ensures that the first end 42 does not move with the rotation of the impeller assembly 20, while the second end 43 can rotate with the rotation of the impeller assembly 20, thereby converting at least a portion of the kinetic energy of the impeller assembly 20 when it rotates in the first direction into potential energy.

[0089] In this embodiment, the energy storage component 40 includes a coil spring 41. The coil spring 41 is wound along a first direction. A first end 42 may be located at or near the outer end of the winding path of the coil spring 41, and a second end 43 may be located at or near the inner end of the winding path of the coil spring 41. The first end 42 can be connected to the housing assembly 13 by means of insertion, snap-fit, or ultrasonic welding. The second end 43 can be connected to the rotating shaft 22 by means of insertion, snap-fit, or ultrasonic welding. The first end 42 has a loop-like structure, forming a space for connection with the housing assembly 13, thereby increasing the connection surface area between the first end 42 and the housing assembly 13 and improving connection stability. The rotating shaft 22 is provided with an anti-rotation groove 600, and the second end 43 also has a loop-like structure, which can be inserted into the anti-rotation groove 600 through elastic deformation, and then the second end 43 returns to its original shape, forming a space that matches the rotating shaft 22.

[0090] In other embodiments, the energy storage component 40 can be understood as including an elastic cord. A first end 42 and a second end 43 can be disposed at both ends of the elastic cord. The first end 42 and the second end 43 are respectively fixedly connected to the housing assembly 13 and the rotating shaft 22. During the transition from the energy release state to the energy storage state, the rotating shaft 22 can drive the second end 43 to rotate around the rotating shaft 22, thereby winding the elastic cord around the rotating shaft 22. Since the first end 42 is fixed to the housing assembly 13, its position relative to the rotating shaft 22 remains unchanged, causing the elastic cord to gradually lengthen. During the transition from the energy storage state to the energy release state, the elastic cord releases energy and gradually shortens.

[0091] The impeller 23 is coaxially mounted on the rotating shaft 22 and is configured to be driven by water entering the cavity 100 to rotate the impeller assembly 20 in a first direction. The impeller 23 has multiple blades 21 arranged axially around the impeller assembly 20. The blades 21 can be straight. The blades 21 can also be curved in a second direction to increase the contact area with water and improve the efficiency of water driving the impeller assembly 20.

[0092] In an exemplary embodiment, there are multiple water outlet holes 300, and the flow area of ​​a portion of the multiple water outlet holes 300 is larger than the flow area of ​​another portion of the multiple water outlet holes 300. The larger flow area results in a larger space for the water outlet holes 300, making it easier for scale to be loosened by the action of the brush 32 and discharged from the water outlet holes 300. Scale located in the water outlet holes 300 with smaller flow areas can be discharged together with other impurities from the water outlet holes 300 with larger flow areas by the action of the brush 32.

[0093] The inventors of this disclosure have discovered that when the potential energy of the energy storage component 40 reaches equilibrium with the water pressure acting on the impeller assembly 20, the impeller assembly 20 stops rotating, and subsequently, the cleaning component 30 stops rotating. At this time, the water pattern of the outlet hole 300 remains stable. However, when the water pressure is sometimes greater than, sometimes equal to, and sometimes less than the potential energy of the energy storage component 40, water pressure instability occurs. Since the potential energy of the energy storage component 40 and the water pressure acting on the impeller assembly 20 are in dynamic equilibrium, when the water pressure is unstable, the energy storage component 40 undergoes fluctuating switching between energy storage and energy release states. This causes the impeller assembly 20 to rotate in real time according to the water pressure changes, which in turn drives the cleaning component 30 to oscillate back and forth along the first or second direction and sweep across the outlet hole 300. This can easily disrupt the water pattern of the outlet hole 300 in real time, affecting the water output effect.

[0094] In the exemplary embodiments, please refer to Figure 4 , Figure 5 , Figure 8 , Figure 9 and Figures 11 to 18 The shower head includes a backflow prevention mechanism, which comprises a first limiting component and a second limiting component 53. One of the first and second limiting components 53 is disposed on the impeller assembly 20, and the other is disposed on the housing mechanism 10. The backflow prevention mechanism has a limiting state and a disengaged state. In the limiting state, the first limiting component and the second limiting component 53 are in contact, and the backflow prevention mechanism guides the impeller assembly 20 to always rotate in a first direction. In the disengaged state, the first limiting component and the second limiting component 53 are separated. Thus, by setting up the backflow prevention mechanism, when water is supplied to the shower head, the first limiting component and the second limiting component 53 are in contact, and then, after the water pressure decreases (without stopping the water supply to the shower head), the impeller assembly 20 is guided to always rotate in the first direction, preventing the impeller assembly 20 from rotating in the second direction. This prevents the energy storage component 40 from releasing potential energy to drive the cleaning component 30 to rotate when the water pressure decreases, ensuring the stability of the water pattern of the water outlet 300. When the water supply to the shower head stops, the first limiting component and the second limiting component 53 separate to avoid interfering with the rotation of the impeller assembly 20 in the second direction. This allows the energy storage component 40 to release potential energy, driving the impeller assembly 20 to rotate in the second direction. This, in turn, causes the cleaning component 30 to rotate and clean the water outlet plate, drying the residual water on the cleaning component 30 and breaking the surface tension of the water at the water outlet 300. This allows the residual water in the shower head to be quickly discharged from the water outlet 300 under the drive of the cleaning component 30.

[0095] In the exemplary embodiments, please refer to Figure 4 , Figure 8 , Figure 9 , Figure 11 , Figure 12 and Figures 14 to 17The housing mechanism 10 is also provided with a flow passage 700. The flow passage 700 is connected between the water inlet 200 and the cavity 100.

[0096] The shower head also includes a valve core mechanism 50, which elastically abuts against the housing mechanism 10, sealing the flow hole 700. The valve core mechanism 50 is configured to be driven by water entering the inlet hole 200, opening the flow hole 700 and generating a reset driving force. Thus, the valve core mechanism 50 isolates the inlet hole 200 from the cavity 100 after water supply to the shower head stops, preventing water from entering the cavity 100 and reducing the amount of residual water in the cavity 100. This facilitates the complete drainage of residual water in the cavity 100 by the cleaning component 30.

[0097] The valve core mechanism 50 includes a valve core 51 and a first elastic element 52. The valve core 51 is coaxially arranged with the flow hole 700 and slidably connected to the housing mechanism 10 to ensure the reliability of the valve core 51 in sealing and opening the flow hole 700.

[0098] The first elastic element 52 is elastically clamped between the housing mechanism 10 and the valve core 51, driving the valve core 51 to seal the flow hole 700. The valve core 51 is configured to be driven by water entering the water inlet 200 to open the flow hole 700 and compress the first elastic element 52, generating a driving force for the valve core 51 to reset.

[0099] A flow passage 700 is provided in the housing assembly 13. The valve core 51 includes a rod 511 and a plug 512. The housing assembly 13 has a guide hole 800, through which the rod 511 passes and is slidably connected to the housing assembly 13 to ensure the stability of the movement path of the valve core 51 and prevent it from deviating under the drive of water.

[0100] A plug 512 is located at one end of the rod 511 and abuts against the housing assembly 13 to seal the flow passage 700. The guide hole 800 has a narrowing section at the end near the valve core 51, gradually narrowing from the end near the valve core 51 to the end away from the valve core 51, to facilitate the positioning of the plug 512 with the flow passage 700 and ensure reliable sealing of the flow passage 700. Figure 9 and Figure 11 As shown, the end of the plug 512 facing the flow hole 700 can also be provided with a conical surface 5121 to further facilitate the positioning of the plug 512 and the flow hole 700.

[0101] In addition, a sealing ring 5122 can be provided on the circumferential outer side of the plug 512 to improve the sealing performance of the flow hole 700. The sealing ring 5122 can be detachably connected to the plug 512 or integrally formed with the plug 512.

[0102] The first elastic element 52 can be a spring, which can be elastically clamped between the housing assembly 13 and the valve core 51. The housing assembly 13 and the valve core 51 are respectively provided with a first positioning groove 901 and a second positioning groove 902. The first positioning groove 901 and the second positioning groove 902 are arranged opposite to each other along the moving direction of the valve core 51. The first elastic element 52 is sleeved on the rod portion 511, and its two ends are respectively positioned in the first positioning groove 901 and the second positioning groove 902 to ensure the stability of the position and elastic deformation of the first elastic element 52.

[0103] like Figure 9 , Figure 12 , Figure 15 and Figure 17 The plug 512 is also provided with an annular limiting part 5123 surrounding the plug 512, which can prevent the valve core 51 from extending out of the flow hole 700 under the drive of the first elastic member 52.

[0104] In the exemplary embodiments, please refer to Figure 4 , Figure 5 , Figure 8 , Figure 9 and Figures 11 to 18 One of the first limiting component and the second limiting component 53 is disposed on the impeller assembly 20, and the other of the first limiting component and the second limiting component 53 is disposed on the valve core 51. The valve core 51 is disposed on the housing mechanism 10 and is configured to move with the valve core 51 under the drive of water entering the water inlet 200, so that the first limiting component and the second limiting component 53 come into contact.

[0105] The first limiting component includes multiple limiting protrusions 60, which are spaced apart around a third direction and are coaxial with the rotation axis of the impeller assembly 20. The third direction is parallel to... Figure 8 , Figure 11 , Figure 14 and Figure 16 The direction indicated by the middle arrow Z.

[0106] Driven by water entering the inlet hole 200, the valve core 51 can be positioned between adjacent limiting protrusions 60, restricting the impeller assembly 20 from rotating in the second direction. In this embodiment, the first limiting component is disposed on the impeller assembly 20. The second limiting component 53 is disposed on the valve core 51. Thus, the arrangement of multiple limiting protrusions 60 and the second limiting component 53 can prevent the impeller assembly 20 from rotating in the second direction after the water pressure decreases (without stopping the water supply to the shower head), thereby preventing the energy storage component 40 from releasing potential energy to drive the cleaning component 30 to rotate when the water pressure decreases, ensuring the stability of the water pattern in the outlet hole 300. When the water supply to the shower head stops, the valve core 51 is reset under the drive of the first elastic element 52, which in turn drives the second limit component 53 to reset, so as to avoid interfering with the rotation of the impeller assembly 20 in the second direction. This allows the energy storage component 40 to release potential energy, drive the impeller assembly 20 to rotate in the second direction, drive the cleaning component 30 to rotate and clean the water outlet plate, shake off the residual water on the cleaning component 30 and break the water tension at the water outlet 300, so that the residual water in the shower head can be quickly discharged from the water outlet 300 under the drive of the cleaning component 30.

[0107] It can be understood that in other embodiments, at least one of the first limiting component and the second limiting component 53 can also be driven by a button. The button is movably mounted on the housing mechanism 10. Under manual drive, the button can move relative to the housing mechanism 10, thereby driving at least one of the first limiting component and the second limiting component 53, causing the anti-reverse mechanism to switch between a limiting state and a disengaged state. For example, when supplying water to the shower head, the first limiting component can be brought into contact with the second limiting component 53 by the button, thereby guiding the impeller assembly 20 to always rotate in the first direction after the water pressure decreases (without stopping the water supply to the shower head). When the water supply to the shower head stops, the first limiting component 53 can be separated from the second limiting component by the button to avoid interfering with the rotation of the impeller assembly 20 in the second direction.

[0108] In addition, in some embodiments, the number of limiting protrusions 60 may also be one. When the valve core 51 is driven by water entering the water inlet 200 or by the button, one of the limiting protrusions 60 and the second limiting component 53 can be placed on the rotation path of the other, so that the limiting protrusions 60 contact the second limiting component 53 and restrict the impeller assembly 20 from rotating in the second direction.

[0109] In the exemplary embodiments, please refer to Figure 5 , Figure 9 and Figure 12 The limiting protrusion 60 has a limiting surface 61 and a guide surface 62 arranged sequentially along the first direction.

[0110] The second limiting component 53 includes a limiting member 531 and a second elastic member 532. The limiting member 531 is movably mounted on the valve core 51 and can slide relative to the valve core 51. In this way, the accuracy of the moving direction of the limiting member 531 can be guaranteed under the constraint of the valve core 51.

[0111] The second elastic member 532 is elastically clamped between the valve core 51 and the limiting member 531, and can drive the limiting member 531 to move toward the impeller assembly 20. When the limiting member 531 encounters an obstruction during its movement with the valve core 51, it will compress the second elastic member 532, and the limiting member 531 can elastically abut against the obstruction (such as the limiting protrusion 60).

[0112] The limiting member 531 is configured to move with the valve core 51 under the drive of water entering the inlet hole 200, so as to be placed between adjacent limiting protrusions 60. During the rotation of the impeller assembly 20 in the first direction, the limiting member 531 can slide along the guide surface 62 and compress the second elastic member 532, generating a driving force for the limiting member 531 to reset, so that the second elastic member 532 can adjust the position of the limiting member 531 in real time during the rotation of the impeller assembly 20 in the first direction, so as to avoid the limiting member 531 affecting the rotation of the impeller assembly 20.

[0113] During the rotation of the impeller assembly 20 in the second direction, the limiting member 531 abuts against the limiting surface 61, restricting the rotation of the impeller assembly 20 in the second direction. At this time, the position between the limiting member 531 and the limiting protrusion 60 is fixed, and the second elastic member 532 maintains its original degree of compression, thereby making the limiting member 531 stably positioned between adjacent limiting protrusions 60, ensuring the reliability of the rotation restriction of the impeller assembly 20.

[0114] In the exemplary embodiments, please refer to Figure 5 , Figure 8 , Figure 9 , Figure 11 and Figure 12 The valve core mechanism 50 and the impeller assembly 20 are arranged opposite each other along a third direction. A limiting protrusion 60 is disposed on the side of the impeller assembly 20 facing the valve core mechanism 50 along the third direction. The valve core mechanism 50 can be driven to move along a fourth direction by water entering the inlet hole 200. The limiting member 531 can slide relative to the valve core 51 along the fourth direction, which is parallel to the third direction. Since the limiting member 531 needs to be placed between adjacent limiting protrusions 60, and multiple limiting protrusions 60 are arranged around the third direction, the movement path of the limiting member 531 is parallel to and eccentrically positioned with respect to the axial direction of the impeller assembly 20. This makes the force exerted by the limiting member 531 on the valve core 51 through the second elastic member 532 approximately parallel to the direction of the force exerted by the first elastic member 52 on the valve core 51. This ensures that the force on the valve core mechanism 50 is relatively stable, thereby guaranteeing the reliability of the valve core mechanism 50 in sealing the flow hole 700 and opening the flow hole 700.

[0115] It can be understood that in other embodiments, the valve core mechanism 50 and the impeller assembly 20 can also be arranged sequentially in a direction perpendicular to a third direction, the limiting protrusion 60 is arranged on the circumferential outer side of the impeller assembly 20, and the limiting member 531 can slide relative to the valve core 51 in a fourth direction, the fourth direction being parallel to the plane containing the first direction.

[0116] In the exemplary embodiments, please refer to Figure 4 , Figure 9 and Figure 12 The end of the limiting member 531 facing the impeller assembly 20 has a spherical crown 5311. The dimension of the spherical crown 5311 along the fourth direction is smaller than the dimension of the limiting surface 61 along the fourth direction, which makes the contact between the limiting member 531 and the limiting surface 61 more reliable and can prevent the limiting member 531 from sliding relative to the limiting member 531 along the spherical crown 5311, thus preventing the limiting fit between the limiting member 531 and the limiting surface 61 from failing.

[0117] The guide surface 62 has a first arc surface 621 and a second arc surface 622. The first arc surface 621 and the second arc surface 622 are connected in sequence and gradually approach the impeller assembly 20 along the first direction. Thus, during the rotation of the impeller assembly 20 along the first direction, the spherical crown 5311 can slide past the limiting protrusion 60 through the second arc surface 622 and the first arc surface 621 in sequence. The first arc surface 621 and the second arc surface 622 cooperate with the spherical crown 5311 to make the sliding of the limiting member 531 relative to the limiting protrusion 60 smoother and avoid interference with the rotation of the impeller assembly 20.

[0118] The first arc surface 621 protrudes outward from the limiting protrusion 60, and the second arc surface 622 protrudes inward from the limiting protrusion 60. This allows the spherical crown 5311 to first contact the second arc surface 622, which is approximately matched to the curvature of the spherical crown 5311, during the process of sliding the spherical crown 5311 relative to the limiting protrusion 60. This ensures that the spherical crown 5311 and the second arc surface 622 have a large contact area, thereby ensuring the stability of the limiting protrusion 60 in driving the limiting member 531 in the initial stage of the spherical crown 5311 relative to the limiting protrusion 60. Furthermore, the second arc surface 622 has a certain degree of wrapping around the spherical crown 5311, making the force direction of the limiting member 531 approximately parallel to its preset movement direction. Afterwards, the spherical crown 5311 comes into contact with the first arc surface 621. At this time, the spherical crown 5311 and the first arc surface 621 are in point contact, and the contact area is small, which reduces the frictional resistance between the spherical crown 5311 and the limiting protrusion 60, so that the limiting member 531 can pass over the limiting protrusion 60 more smoothly and be placed between another adjacent limiting protrusion 60.

[0119] like Figure 5As shown, the limiting protrusion 60 is disposed on the side of the impeller assembly 20 facing the valve core mechanism 50 in the third direction, and the first arc surface 621 and the second arc surface 622 are connected in sequence and spiral down in the first direction.

[0120] In the exemplary embodiments, please refer to Figure 8 , Figure 9 , Figure 11 and Figure 12 The limiting surface 61 extends along the fourth direction, so that the limiting surface 61 has a larger size in the rotation path of the limiting protrusion 60 and abuts against the limiting member 531, thereby improving the reliability of abutting against the limiting member 531.

[0121] In this embodiment of the disclosure, such as Figure 4 , Figure 9 and Figure 12 As shown, the valve core 51 is provided with a through space 1000, which extends through the valve core 51 in a fourth direction and forms a guide through hole 1100 on the side of the valve core 51 facing the impeller assembly 20. The limiting member 531 is rod-shaped. The limiting member 531 matches the guide through hole 1100 and is slidably connected to the valve core 51 through the guide through hole 1100. An annular protrusion 533 is provided on the circumferential outer side of the limiting member 531, and the annular protrusion 533 is received in the through space 1000. The second elastic member 532 can drive the limiting member 531 to move towards the impeller assembly 20, so that the annular protrusion 533 abuts against the valve core 51. The circumferential outer side of the annular protrusion 533 fits against the inner wall of the through space 1000 formed by the valve core 51, so that the annular protrusion 533 can be slidably connected to the valve core 51 through the through space 1000, further improving the stability of the sliding of the limiting member 531 relative to the valve core 51. A sealing cover 54 is provided on the side of the through space 1000 away from the impeller assembly 20 to seal this side. A third positioning groove 903 is provided on the side of the sealing cover 54 facing the through space 1000, and a positioning post 534 is provided on the side of the limiting member 531 facing the through space 1000. The second elastic member 532, which can be a spring, is housed within the through space 1000. Both ends of the second elastic member 532 are respectively positioned and connected to the third positioning groove 903 and the positioning post 534 to ensure the stability of the position and elastic deformation of the second elastic member 532.

[0122] Please combine them together Figure 2 , Figure 4 , Figure 8 and Figure 11The housing assembly 13 also includes a second housing 133, a third housing 134, and a second cover 135. The impeller assembly 20 is rotatably connected to the second housing 133, and sequentially connects to the energy storage component 40 via the second housing 133 and the first housing 131, and connects to the cleaning component 30 via the first cover 132. The second cover 135 is disposed within the second housing 133, and a flow passage 700 is located within the second cover 135. The third housing 134 is housed within the space enclosed by the second housing 133 and the second cover 135, and a valve core 51 passes through the third housing 134 and is slidably connected to the second housing 133. A first elastic member 52 is elastically clamped between the third housing 134 and the valve core 51. A first positioning groove 901 is located within the third housing 134.

[0123] In the exemplary embodiments, please refer to Figures 13 to 18 The limiting protrusion 60 is a ratchet. The second limiting component 53 includes a plug end 535. The ratchet is inclined to one side in the second direction.

[0124] The plug end 535 is configured to move with the valve core 51 under the drive of water entering the inlet hole 200, positioning itself between adjacent limiting protrusions 60. During the rotation of the impeller assembly 20 in the first direction, the plug end 535 can move out from between adjacent limiting protrusions 60 under the drive of the multiple limiting protrusions 60, and then move into between adjacent limiting protrusions 60 under its own elasticity or external force. During the rotation of the impeller assembly 20 in the second direction, the plug end 535 can engage with the limiting protrusions 60, restricting the impeller assembly 20 from rotating in the second direction. This allows the second limiting assembly 53 and the impeller assembly 20 to form a ratchet-pawl structure, ensuring that the impeller assembly 20 can rotate in the first direction and restricting its rotation in the second direction after water is supplied to the shower head.

[0125] The plug end 535 can be driven by multiple limiting protrusions 60 to undergo elastic deformation, and then reset and move into the space between adjacent limiting protrusions 60 under its own elastic force. Alternatively, the plug end 535 can be driven by multiple limiting protrusions 60 to deviate from the rotation path of the limiting protrusions 60, and then reset and move back into the space between adjacent limiting protrusions 60 under the action of an external force (e.g., the driving force generated by the torsion spring disposed between the plug end 535 and the valve core 51).

[0126] In this embodiment, the second limiting component 53 further includes a connector 536, which is disposed on the valve core 51. A plug-in end 535, having elastic deformation properties, is disposed on the connector 536. The connector 536 increases the contact area between the plug-in end 535 and the valve core 51, improving the connection stability between the valve core 51 and the plug-in end 535. In this embodiment, the connector 536 is sleeved on the valve core 51.

[0127] The housing mechanism 10 is provided with a guide groove 1200, the extension direction of which is parallel to the moving direction of the insertion end 535. The insertion end 535 passes through the guide groove 1200 and is slidably connected to the housing mechanism 10. The guide groove 1200 increases the connection area between the insertion end 535 and the housing mechanism 10, improving the stability of the insertion end 535's movement. Furthermore, the guide groove 1200 allows the housing mechanism 10 to provide support for the insertion end 535, improving the reliability of the engagement between the insertion end 535 and the limiting protrusion 60.

[0128] like Figures 13 to 17 As shown, the housing assembly 13 also includes a second housing 133, a fourth housing 136, and a third cover 137. The impeller assembly 20 is rotatably connected to the second housing 133, and sequentially connects to the energy storage component 40 via the second housing 133 and the first housing 131, and connects to the cleaning component 30 via the first cover 132. The fourth housing 136 is disposed on the second housing 133. The third cover 137 is disposed on the fourth housing 136. A flow passage 700 is located on the third cover 137. A guide groove 1200 is located on the fourth housing 136. The valve core 51 is received in the space enclosed by the fourth housing 136 and the third cover 137, and is slidably connected to the fourth housing 136. A first elastic member 52 elastically abuts against the fourth housing 136 and the valve core 51. A first positioning groove 901 is located on the fourth housing 136. A second positioning groove 902 is located on the connector 536. In this embodiment, the valve core mechanism 50 and the impeller assembly 20 are arranged sequentially along a direction perpendicular to a third direction, and the limiting protrusion 60 is disposed on the circumferential outer side of the impeller assembly 20. This ensures that after the insertion end 535 is placed between adjacent limiting protrusions 60, the entire insertion end 535 can be located within the rotation plane of the limiting protrusion 60. During the rotation of the impeller assembly 20 along the first direction, the insertion end 535 is facilitated to undergo elastic deformation under the drive of the limiting protrusion 60. When the insertion end 535 engages with the limiting protrusion 60, the supporting force of the valve core 51 is conveniently transmitted to the insertion end 535 through the connector 536.

[0129] Multiple limiting protrusions 60 can be integrally formed with the impeller assembly 20. Alternatively, the multiple limiting protrusions 60 can be separately configured from the impeller assembly 20. For example... Figure 6 , Figure 9 , Figure 12 , Figure 13 , Figure 14 , Figure 16 and Figure 18 As shown, the impeller assembly 20 is provided with a limiting gear 70, which has multiple limiting protrusions 60. The limiting gear 70 is detachably connected to the impeller assembly 20. In this way, the limiting gear 70 can be replaced according to usage and assembly requirements to change the structure, installation position, and other parameters of the limiting protrusions 60.

[0130] In the exemplary embodiments, please refer to Figure 3 , Figure 8 , Figure 11 , Figure 14 and Figure 16 The cavity 100 includes a body 101 and a flow channel 102, with the flow channel 102 connecting the flow hole 700 and the body 101. In this embodiment, the flow channel 102 is disposed in a second housing 133. The second housing 133 has a first connector 1331. The water inlet tray 12 is provided with a second connector 121 that is inserted into the first connector 1331. The flow channel 102 is connected to the body 101 in sequence through the first connector 1331 and the second connector 121.

[0131] The housing mechanism 10 is provided with a circumferential wall 16. In this embodiment, the circumferential wall 16 is provided in the second housing 133.

[0132] The valve core mechanism 50 is housed in the flow channel 102 to facilitate the connection and disconnection between the flow orifice 700 and the flow channel 102. The impeller assembly 20 is housed in the flow channel 102 so that water acts on the impeller assembly 20 under the guidance of the flow channel 102.

[0133] One end of the circumferential wall 16 near the flow hole 700 is disposed in the housing mechanism 10, and the other end is connected to the flow channel 102. The circumferential wall 16 and the housing mechanism 10 can be closed to form a receiving tank 1300. This can prevent water from entering the receiving tank 1300 from the end near the flow hole 700.

[0134] Multiple limiting protrusions 60 are received in a receiving groove 1300. At least one of the housing mechanism 10 and the circumferential wall 16 has a clearance space 1400 communicating with the receiving groove 1300, the clearance space 1400 being configured to allow space for movement of the valve core mechanism 50. This ensures that the mating position of the second limiting assembly 53 with the multiple limiting protrusions 60 is protected from direct water impact, guaranteeing the reliability of the mating between the second limiting assembly 53 and the multiple limiting protrusions 60.

[0135] like Figure 9 and Figure 12 As shown, the circumferential wall 16 is disposed on the second housing 133. The clearance space 1400 is disposed on the second housing 133, and the limiting member 531 passes through the clearance space 1400 and is slidably connected to the second housing 133.

[0136] like Figure 15 and Figure 17 As shown, a circumferential wall 16 is disposed on the second housing 133. A clearance space 1400 is disposed on the circumferential wall 16.

[0137] In the description of this disclosure, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0138] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include at least one of those features.

[0139] In the description of this disclosure, "multiple" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

[0140] In this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0141] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0142] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0143] Although embodiments of the present disclosure have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present disclosure.

Claims

1. A shower head, characterized in that, include: The housing mechanism has a cavity and a water inlet communicating with the cavity. The housing mechanism also has a water outlet plate located on the circumferential outer side of the cavity. The water outlet plate is provided with a water outlet communicating with the cavity. The housing mechanism is also provided with a flow passage, which is connected between the water inlet and the cavity. An impeller assembly, housed in the cavity and supported by the housing mechanism, is configured to be driven to rotate in a first direction by water entering the cavity; A cleaning component is housed in the cavity and connected to the impeller assembly, the cleaning component being configured to rotate with the impeller assembly to clean the water outlet plate; An energy storage device has an energy storage state and an energy release state. The energy storage device is connected to the impeller assembly and is configured to convert at least a portion of the kinetic energy of the impeller assembly when it rotates along the first direction into potential energy in the energy storage state, and to convert the potential energy into kinetic energy in the energy release state to drive the impeller assembly to rotate along a second direction opposite to the first direction. A valve core mechanism includes a valve core and a first elastic element. The valve core is coaxially arranged with the flow hole and slidably connected to the housing mechanism. The first elastic element elastically clamps between the housing mechanism and the valve core, driving the valve core to seal the flow hole. The valve core is configured to be driven by water entering the inlet hole to open the flow hole and compress the first elastic element, generating a driving force for the valve core to reset. The anti-reverse mechanism includes a first limiting component and a second limiting component. One of the first limiting component and the second limiting component is disposed on the impeller assembly, and the other of the first limiting component and the second limiting component is disposed on the valve core and disposed on the housing mechanism through the valve core. The mechanism is configured to move with the valve core when driven by water entering the inlet hole, so that the first limiting component contacts the second limiting component. The anti-reverse mechanism has a limit state and a separation state; In the limited position, the first limiting component is in contact with the second limiting component, and the anti-reverse mechanism guides the impeller assembly to rotate along the first direction at all times; In the separated state, the first limiting component is separated from the second limiting component.

2. The shower head according to claim 1, characterized in that, The impeller assembly includes a rotating shaft and an impeller, the rotating shaft is rotatably connected to the housing mechanism, and the cleaning component is anti-rotatingly connected to the rotating shaft; The energy storage device includes a first end and a second end, the first end being anti-rotationally connected to the housing mechanism, and the second end being anti-rotationally connected to the rotating shaft. The impeller is coaxially mounted on the rotating shaft and is configured to be driven by water entering the cavity to make the impeller assembly rotate in the first direction.

3. The shower head according to claim 1, characterized in that, During the transition from the energy storage state to the energy release state, the energy storage device gradually expands; during the transition from the energy release state to the energy storage state, the energy storage device gradually contracts; or During the transition from the energy storage state to the energy release state, the energy storage component gradually shortens; during the transition from the energy release state to the energy storage state, the energy storage component gradually lengthens.

4. The shower head according to claim 1, characterized in that, The first limiting component includes a plurality of limiting protrusions, which are spaced apart around a third direction, and the third direction is coaxial with the rotation axis of the impeller component; Driven by water entering the inlet hole, the valve core can be positioned between adjacent limiting protrusions to restrict the impeller assembly from rotating in the second direction.

5. The shower head according to claim 4, characterized in that, The limiting protrusion has a limiting surface and a guide surface arranged sequentially along the first direction; The second limiting component includes a limiting member and a second elastic member. The limiting member is movably mounted on the valve core and can slide relative to the valve core. The second elastic member is elastically clamped between the valve core and the limiting member and can drive the limiting member to move toward the impeller assembly. The limiting member is configured to move with the valve core under the drive of water entering the inlet hole, so as to be positioned between adjacent limiting protrusions. During the rotation of the impeller assembly in the first direction, the limiting member can slide along the guide surface and compress the second elastic member to generate a driving force for the limiting member to reset. During the rotation of the impeller assembly in the second direction, the limiting member can abut against the limiting surface to restrict the rotation of the impeller assembly in the second direction.

6. The shower head according to claim 5, characterized in that, The valve core mechanism and the impeller assembly are arranged opposite each other along the third direction. The limiting protrusion is provided on the side of the impeller assembly facing the valve core mechanism along the third direction. The valve core mechanism can be driven to move along a fourth direction by water entering the inlet hole. The limiting member can slide relative to the valve core along the fourth direction, which is parallel to the third direction; or The valve core mechanism and the impeller assembly are arranged sequentially along a direction perpendicular to the third direction. The limiting protrusion is located on the circumferential outer side of the impeller assembly. The limiting member can slide relative to the valve core along a fourth direction, which is parallel to the plane containing the first direction.

7. The shower head according to claim 6, characterized in that, The limiting member has a spherical crown at one end facing the impeller assembly, and the dimension of the spherical crown along the fourth direction is smaller than the dimension of the limiting surface along the fourth direction; The guide surface has a first arc surface and a second arc surface, the first arc surface and the second arc surface are connected in sequence and gradually approach the impeller assembly along the first direction, the first arc surface protrudes outward from the limiting protrusion, and the second arc surface protrudes inward from the limiting protrusion.

8. The shower head according to claim 7, characterized in that, The limiting surface extends along the fourth direction.

9. The shower head according to claim 4, characterized in that, The limiting protrusion is a ratchet; The second limiting component includes a plug-in end; The plug-in end is configured to move with the valve core under the drive of water entering the inlet hole, so as to be positioned between adjacent limiting protrusions. During the rotation of the impeller assembly in the first direction, the plug-in end can move out from between adjacent limiting protrusions under the drive of the plurality of limiting protrusions, and move into between adjacent limiting protrusions under the action of its own elasticity or external force. During the rotation of the impeller assembly in the second direction, the plug-in end can engage with the limiting protrusions to restrict the rotation of the impeller assembly in the second direction.

10. The shower head according to claim 9, characterized in that, The second limiting component also includes a connector, which is disposed on the valve core, and the plug end has elastic deformation properties and is disposed on the connector; The housing mechanism is provided with a guide groove, the extension direction of which is parallel to the movement direction of the plug end. The plug end passes through the guide groove and is slidably connected to the housing mechanism.

11. The shower head according to claim 4, characterized in that, The cavity includes a body and a flow channel, the flow channel being connected between the flow hole and the body; The housing mechanism is provided with a circumferential wall; The valve core mechanism and the impeller assembly are housed within the flow channel; One end of the circumferential wall near the flow hole is disposed in the housing mechanism, and the other end is connected to the flow channel. The circumferential wall and the housing mechanism can be closed to form a receiving groove. The plurality of limiting protrusions are received in the receiving groove. At least one of the housing mechanism and the circumferential wall has a clearance space communicating with the receiving groove. The clearance space is configured to allow space to avoid movement of the valve core mechanism.

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