A dynamic water outlet structure and a shower head

Abstract

This utility model provides a dynamic water outlet structure and a shower head, relating to the field of bathroom product technology. It includes a main body with a water inlet channel, a water inlet chamber, and a water outlet channel. The water outlet channel has multiple spouts at its outlet end. Both the water inlet channel and the water outlet channel are connected to the water inlet chamber. Within the water inlet chamber, an inclined water body, an impeller, and a cycloidal wheel are arranged sequentially along the water flow direction. The inclined water body forms an oblique water flow that impacts the rotation of the impeller. The impeller and the cycloidal wheel are eccentrically positioned. The cycloidal wheel has at least one outlet connected to the water inlet channel. During water intake, the impeller drives the cycloidal wheel to move under the action of the oblique water flow, causing the overlapping area of ​​the outlet and the inlet of the water outlet channel to change periodically, thereby creating dynamic water spray at the spouts. This design improves upon the problem of existing dynamic water outlet structures being difficult to apply on a large scale.

Description

Technical Field

[0001] This utility model relates to the field of bathroom product technology, specifically to a dynamic water outlet structure and a shower head. Background Technology

[0002] With the increasing variety of water spray patterns from showerheads, static water sprays (i.e., water sprays with no change in pattern) can no longer meet users' showering requirements. Therefore, more and more showerheads are incorporating dynamic water sprays, such as pulsed or alternating sprays, to make the water spray more diverse and enhance the user's showering experience. Most existing dynamic spray structures employ a rotating inner core within the nozzle. Water flow impacts the inner core, causing it to rotate and creating a pulsating or alternating spray effect. For example, Chinese patent CN115318461A discloses a novel massage water spray structure and showerhead, where water flow impacts the inner core, causing it to rotate and creating rotating water that drives the nozzle, thus forming a pulsating massage water effect at the nozzle's outlet. However, in these structures, the rotating inner core is relatively large, limiting its application over a large area of ​​the showerhead nozzle. It can only be deployed in a small area, resulting in a limited water spray area and a small spray area, making it difficult to achieve the desired showering effect. Utility Model Content

[0003] This utility model discloses a dynamic water outlet structure, which aims to improve the problem that existing dynamic water outlet structures are difficult to apply on a large scale, resulting in poor showering effect.

[0004] The present invention adopts the following solution: A dynamic water outlet structure includes a main body, which has a water inlet channel, a water inlet chamber, and at least one water outlet channel. The water outlet channel has multiple water nozzles at its outlet end. Both the water inlet channel and the water outlet channel are connected to the water inlet chamber. An inclined water body, an impeller, and a cycloidal wheel are sequentially arranged along the water flow direction within the water inlet chamber. The inclined water body forms an oblique water flow that impacts the rotation of the impeller. The impeller and the cycloidal wheel are eccentrically positioned. The cycloidal wheel has at least one outlet connected to the water inlet channel. During water intake, the impeller drives the cycloidal wheel to move under the action of the oblique water flow, causing the overlapping area of ​​the outlet and the inlet of the water outlet channel to change periodically, thereby creating a dynamic water spray with varying water pressure and / or spray range at the water nozzle.

[0005] As a further improvement, the cycloidal wheel is provided with multiple water outlets, each of which is a fan-shaped structure concentrically arranged with the cycloidal wheel, and the sum of the central angles of each water outlet is not less than 180°.

[0006] As a further improvement, a first tooth is provided along the circumference of the cycloidal wheel, and a second tooth is provided on the inner wall of the water inlet chamber to cooperate with the first tooth.

[0007] As a further improvement, the main body includes an upper shell and a lower shell. The upper shell is provided with a water inlet channel for communicating with an external water channel and cooperates with the lower shell to form the water inlet cavity. The water outlet channel is provided on the lower shell, and each of the water outlets is exposed on the bottom surface of the lower shell.

[0008] As a further improvement, the bottom surface of the water inlet chamber is provided with a sealing element for abutting against the cycloidal wheel, the sealing element having at least a sealing portion surrounding the water inlet.

[0009] As a further improvement, the lower housing is provided with an assembly hole for mounting a rotating shaft, the impeller protrusion is provided with an eccentric hole for cooperating with the rotating shaft, and the cycloidal wheel is sleeved on the outer periphery of the protrusion.

[0010] As a further improvement, the inlet end of the inclined water body has multiple inclined pipe sections arranged in a circumferential direction, each pipe section is convex and has inclined water holes opened along the extension direction of the pipe section.

[0011] As a further improvement, the water outlet is equipped with a water outlet component, which has a water inlet groove, an acceleration groove, and an acceleration channel. The water inlet groove is vertically arranged along the side of the water outlet component to communicate with the water outlet channel. The acceleration groove is inclined along the circumferential direction of the acceleration channel to connect the water inlet groove and the acceleration channel. The acceleration channel is connected to the water outlet hole of the water outlet.

[0012] As a further improvement, the water outlet is configured such that the cross-sectional area of ​​the water passage decreases along the direction of water flow.

[0013] Another showerhead is provided, including a showerhead body and a dynamic water outlet structure as described in any of the preceding claims disposed on the showerhead body.

[0014] By adopting the above technical solution, the present invention can achieve the following technical effects: 1. By incorporating a cycloidal wheel within the inlet chamber, the overlapping area of ​​the outlet and inlet changes periodically, allowing the water spray from multiple nozzles to dynamically change synchronously. This means a single water module can achieve the water spray variations of multiple nozzles. Compared to existing technologies that require rotating cores within each nozzle, this design is simpler, smaller in size, and can be widely applied to showerheads to ensure a larger spray area, improve shower performance, and enhance the user experience. Furthermore, the cycloidal wheel enables speed reduction, extending the area change process between the outlet and inlet, resulting in a more pronounced dynamic water spray effect and improved overall spray performance. It also prevents excessively rapid water spray alternation, which could negatively impact the massage effect.

[0015] 2. By incorporating a water outlet component within the spout, the water flow undergoes multiple accelerations, creating a periodic, alternating dynamic spray that gradually expands outward, then contracts inward, and then expands outward again, ensuring a superior massage effect. Furthermore, this novel spray dynamic enhances its market competitiveness. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 and Figure 2 This is a structural schematic diagram of one embodiment of the present invention from different perspectives; Figure 3 and Figure 4 This is a cross-sectional view of one embodiment of the present invention along different sections; Figure 5 This is a schematic diagram of the lower shell structure of one embodiment of the present invention; Figure 6 and Figure 7 This is a cross-sectional view of the lower housing along different sections of one embodiment of the present invention; Figure 8 This is a schematic diagram of the structure of an inclined water body according to one embodiment of the present invention; Figure 9 This is a schematic diagram of the impeller structure according to one embodiment of the present invention; Figure 10 This is a schematic diagram of the structure of a cycloidal wheel according to one embodiment of the present invention; Figure 11 This is an exploded view of one embodiment of the present invention.

[0018] icon: 1-Main body; 11-Water inlet channel; 12-Water inlet chamber; 13-Water outlet channel; 131-Water inlet; 14-Water outlet nozzle; 15-Second tooth; 16-Upper shell; 17-Lower shell; 171-Seal; 172-Assembly hole; 18-Water outlet cover; 19-Water outlet component; 191-Water inlet groove; 192-Acceleration groove; 193-Acceleration channel; 2- Inclined water body; 21- Pipe section; 211- Inclined water hole; 3-Impeller; 31-Protrusion; 311-Eccentric hole; 4-Cycloidal wheel; 41-Outlet; 42-First tooth; 5-Spindle. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0020] The terms “top,” “bottom,” “upper,” “lower,” “left,” “right,” “front,” “back,” and similar expressions used in this document are for illustrative purposes only. The terms “first,” “second,” etc., are only used to distinguish different objects and should not be construed as indicating or implying relative importance or the quantity, specific order, or primary or secondary relationship of the indicated technical features. The term “several” means one or more, and “multiple” means two or more, unless otherwise explicitly specified. Example

[0021] Combination Figures 1 to 11 This embodiment provides a dynamic water outlet structure, including a body 1, which has an inlet channel 11, an inlet chamber 12, and at least one outlet channel 13. The outlet end of the outlet channel 13 is provided with multiple water outlets 14. The inlet channel 11 and the outlet channel 13 are both connected to the inlet chamber 12. The inlet chamber 12 is arranged in sequence along the water flow direction with an inclined water body 2, an impeller 3, and a cycloidal wheel 4. The inclined water body 2 is used to form an inclined water flow that impacts the rotation of the impeller 3. The impeller 3 and the cycloidal wheel 4 are eccentrically arranged. The cycloidal wheel 4 is provided with at least one outlet 41 that is connected to the inlet channel 11. When water is introduced, the impeller 3 drives the cycloidal wheel 4 to move under the action of the inclined water flow, so that the overlapping area of ​​the outlet 41 and the inlet 131 of the outlet channel 13 changes periodically, thereby forming a dynamic water spray with varying water force and / or spray range at the outlet 14. Specifically, the cycloidal wheel 4 rotates and revolves under the drive of the impeller 3, so that the overlapping area of ​​the outlet 41 and the inlet 131 gradually changes during its movement, which in turn causes the water flow in the water outlet channel 13 to change, thereby forming a dynamic water spray with varying water force and spray range at the outlet 14, making the water output more flexible and varied, and improving the user's shower experience.

[0022] It should be noted that in this embodiment, by setting a cycloidal wheel 4 inside the water inlet chamber 12, the overlapping area of ​​the water outlet 41 and the water inlet 131 changes periodically, allowing the water spray from multiple water outlets 14 to change dynamically and synchronously. That is, one water outlet module can achieve the water spray changes of multiple water outlets 14. Compared with the prior art, which requires a rotating inner core inside each water outlet 14, its structure is simpler, its overall size is smaller, and it can be applied over a large area on the showerhead to ensure the spray area, improve the shower effect, and thus enhance the user experience. At the same time, the use of the cycloidal wheel 4 enables speed reduction transmission, extending the area change process between the water outlet 41 and the water inlet 131, resulting in a more pronounced dynamic water spray effect and improved spraying effect. This avoids excessively rapid water spray alternation, which could affect the massage effect.

[0023] In a preferred embodiment, the cycloidal wheel 4 is provided with a plurality of water outlets 41, each water outlet 41 being a fan-shaped structure concentrically arranged with the cycloidal wheel 4, and the sum of the central angles of the various water outlets 41 being not less than 180°. Preferably, the fan shape is an annular fan shape, and two are symmetrically arranged along the cycloidal wheel 4 to ensure the water outlet angle and avoid the problem of water flow pausing for too long.

[0024] Furthermore, a first toothed portion 42 is provided along the circumference of the cycloidal wheel 4, and a second toothed portion 15 is provided on the inner wall of the water inlet chamber 12 to mate with the first toothed portion 42. The second toothed portion 15 is integrally formed with the water inlet chamber 12, which can reduce assembly and make the structure simpler. The calculation of the number of teeth and diameter design parameters of the first toothed portion 42 and the second toothed portion 15 is prior art and will not be described in detail here.

[0025] Based on the above embodiments, in an optional embodiment of this utility model, the main body 1 includes an upper shell 16 and a lower shell 17. The upper shell 16 is provided with a water inlet channel 11 for communicating with an external water channel and cooperates with the lower shell 17 to form a water inlet cavity 12. A water outlet channel 13 is provided on the lower shell 17, and each water outlet 14 is exposed on the bottom surface of the lower shell 17. For example, the upper shell 16 and the lower shell 17 are connected by threads for easy assembly and disassembly. A water outlet cover 18 is disposed on the lower shell 17, and the water outlet cover 18 is fixed to the lower shell 17 by welding. A water outlet channel 13 is formed between the lower shell 17 and the water outlet cover 18, and the water outlet 14 is installed or formed on the water outlet cover 18. The water inlet 131 of the water outlet channel 13 is opened on the lower shell 17 and is located on the bottom surface of the water inlet cavity 12.

[0026] Furthermore, a sealing element 171 is provided on the bottom surface of the water inlet chamber 12 for abutting against the cycloidal wheel 4. The sealing element 171 has at least a sealing portion surrounding the water inlet 131. The sealing element 171 can be made of soft rubber and is formed by secondary encapsulation with the lower housing 17. The setting of the sealing element 171 can ensure that the water flow changes with the overlapping area, so that the shape of the water splash changes consistently.

[0027] In one embodiment, the lower housing 17 has a mounting hole 172 for mounting the rotating shaft 5, and the protrusion 31 of the impeller 3 has an eccentric hole 311 for engaging with the rotating shaft 5. The cycloidal wheel 4 is sleeved on the outer periphery of the protrusion 31. During installation, the rotating shaft 5 is first inserted into the mounting hole 172, and then the cycloidal wheel 4, impeller 3, and inclined water body 2 are sequentially inserted. Finally, the upper housing 16 is connected to the lower housing 17. In other embodiments, the inclined water body 2 can be fixed to the upper housing 16 to prevent the inclined water body 2 from rotating. The two can be fixedly connected by welding or fastening structures, without specific limitations. In this embodiment, the water outlet structure has few parts, a simple structure, and is easy to assemble and disassemble, which is beneficial for application in water outlet devices such as shower heads.

[0028] In another embodiment, the inlet end of the inclined water body 2 has a plurality of inclined pipe sections 21 arranged in a circumferential direction. Each pipe section 21 is protruding and has an inclined water hole 211 formed along its extension direction. The protruding pipe section 21 can extend the length of the inclined water hole 211 to ensure the angle and impact force of the inclined water flow, thereby providing sufficient rotational force to the impeller 3 so that the cycloidal wheel 4 can move smoothly.

[0029] Based on the above embodiments, in an optional embodiment of this utility model, the water outlet 14 is equipped with a water outlet component 19, which has a water inlet groove 191, an acceleration groove 192, and an acceleration channel 193. The water inlet groove 191 is vertically arranged along the side of the water outlet component 19 to communicate with the water outlet channel 13. The acceleration groove 192 is inclined along the circumferential direction of the acceleration channel 193 to connect the water inlet groove 191 and the acceleration channel 193. The acceleration channel 193 is connected to the water outlet hole of the water outlet 14. The acceleration groove 192 is arranged along the tangential direction of the acceleration channel 193. When water is introduced, the water flows in from the water inlet groove 191 of the water outlet component 19, then enters the acceleration groove 192, and enters the acceleration channel 193 at an angle along the acceleration groove 192 for rotational acceleration, and then sprays out from the water outlet hole. When water flows from the outlet channel 13 into the inlet tank 191, the inlet cross-section decreases, resulting in primary water flow acceleration. The water then enters the acceleration channel 193 through the acceleration tank 192, where it rotates, creating secondary water flow acceleration. This ensures the water flow has sufficient velocity to atomize into a mist when sprayed out through the outlet holes. Furthermore, the outlet holes are designed with decreasing cross-sectional area along the water flow direction, which further increases the water flow velocity and enhances the spraying force.

[0030] It's easy to understand that when the water flow is high (i.e., the overlapping area between the outlet 41 and the inlet 131 is large), the water spray is strong and the area it spreads outward is also large; conversely, when the water flow is low (i.e., the overlapping area between the outlet 41 and the inlet 131 is small), the water spray is weak and the area it spreads outward is also small. Therefore, as the area of ​​the outlet 41 and the inlet 131 changes, the water outlet forms a periodic, alternating dynamic spray that gradually spreads outward, then gradually contracts inward, and then gradually spreads outward again, ensuring a massage effect. Furthermore, this dynamic spray pattern is novel and can enhance market competitiveness.

[0031] Another embodiment provides a shower head, including a shower head body and a dynamic water outlet structure as described in any of the above embodiments disposed on the shower head body. Preferably, the shower head body can be the body 1 in the dynamic water outlet structure to simplify the shower head structure and save structural space, but it is not limited thereto and is not specifically limited thereto.

[0032] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions that fall within the scope of this utility model's concept are protected by this utility model.

Claims

1. A dynamic water outlet structure, characterized in that, The system includes a main body, which has a water inlet channel, a water inlet chamber, and at least one water outlet channel. The water outlet channel has multiple water nozzles at its outlet end. Both the water inlet channel and the water outlet channel are connected to the water inlet chamber. Inside the water inlet chamber, along the water flow direction, an inclined water body, an impeller, and a cycloidal wheel are arranged sequentially. The inclined water body is used to form an oblique water flow that impacts the rotation of the impeller; The impeller and the cycloidal wheel are eccentrically positioned; The cycloidal wheel is provided with at least one outlet that communicates with the water inlet channel; When water enters, the impeller drives the cycloidal wheel to move under the action of the oblique water flow, so that the overlapping area of ​​the water outlet and the water inlet of the water outlet channel changes periodically, thereby forming a dynamic water spray with varying water force and / or spray range at the water outlet.

2. The dynamic water outlet structure according to claim 1, characterized in that, The cycloidal wheel is provided with multiple water outlets, each of which is a fan-shaped structure concentrically arranged with the cycloidal wheel, and the sum of the central angles of each water outlet is not less than 180°.

3. The dynamic water outlet structure according to claim 1, characterized in that, A first tooth is provided along the circumference of the cycloidal wheel, and a second tooth is provided on the inner wall of the water inlet chamber to cooperate with the first tooth.

4. The dynamic water outlet structure according to claim 1, characterized in that, The main body includes an upper shell and a lower shell. The upper shell is provided with a water inlet channel for communicating with an external water channel and cooperates with the lower shell to form the water inlet cavity. The water outlet channel is provided on the lower shell, and each of the water outlets is exposed on the bottom surface of the lower shell.

5. The dynamic water outlet structure according to claim 4, characterized in that, The bottom surface of the water inlet chamber is provided with a sealing element for abutting against the cycloidal wheel, and the sealing element has at least a sealing portion surrounding the water inlet.

6. The dynamic water outlet structure according to claim 4, characterized in that, The lower housing has an assembly hole for mounting a rotating shaft, and the impeller has an eccentric hole for engaging with the rotating shaft. The cycloidal wheel is sleeved on the outer periphery of the protrusion.

7. The dynamic water outlet structure according to claim 1, characterized in that, The inlet end of the inclined water body has multiple inclined pipe sections arranged in a circumferential direction. Each pipe section is convex and has inclined water holes opened along the extension direction of the pipe section.

8. The dynamic water outlet structure according to claim 1, characterized in that, The water outlet is equipped with a water outlet component, which has an inlet groove, an acceleration groove, and an acceleration channel. The inlet groove is vertically arranged along the side of the water outlet component to communicate with the water outlet channel. The acceleration groove is inclined along the circumferential direction of the acceleration channel to connect the inlet groove and the acceleration channel. The acceleration channel is connected to the water outlet hole of the water outlet.

9. The dynamic water outlet structure according to claim 8, characterized in that, The water outlet is configured such that the cross-sectional area of ​​the water passage decreases along the direction of water flow.

10. A shower head, characterized in that, It includes a shower head body and a dynamic water outlet structure as described in any one of claims 1-9 disposed on the shower head body.

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