A bubbler

Abstract

The application discloses a kind of bubble generators, including bubble generator shell and bubble generator inner core, bubble generator shell has the spherical assembly ring for being set over at lower end and the water inlet of bubble generator inner core is set at top;Bubble generator inner core has core body, first panel and second panel, the spherical outer wall of core body is matched with spherical assembly ring and ring inner wall;The outer ring wall of first panel and ring inner wall are connected by multiple connecting sheets, the interval between adjacent two connecting sheets is air inlet passage;The outer ring wall of second panel is clamped in ring inner wall, and the interval between the second panel and first panel has spacing, interval and air inlet passage are communicated;The air inlet passage of the bubble generator of the application is set on bubble generator inner core, water and air are fully mixed in bubble generator inner core to produce bubble water, can be replaced by setting the bubble generator inner core of different size air inlet passage to adjust air intake, realize the bubble effect of different water spray, can satisfy the demand of different people to water potential, water spray variety style etc..

Description

A type of bubbler Technical Field

[0001] This invention relates to the field of bathroom products, and more particularly to an aerator. Background Technology

[0002] An aerator is a device that creates foam in the water flow and saves water. The function of an aerator is to mix a certain amount of air into the water as it flows through, allowing the water and air to mix thoroughly. The addition of air significantly increases the water's washing force, resulting in a lower water content for the same flow area compared to water without air, thus effectively reducing water consumption and saving water. It also increases the surface area of ​​the water flow and softens the water spray, improving washing performance. However, existing aerators have the following drawbacks:

[0003] Existing aerators have an air intake channel on the outer shell, with the lower end of the channel serving as the air inlet and the upper end connecting to the interior of the aerator shell. Gas enters the aerator shell from the air intake channel and mixes with water above the aerator core to form bubbly water. The air intake channel is fixed, resulting in a generally fixed air volume and a similar amount of foam produced, leading to a uniform water spray pattern. This limitation restricts the ability to provide diverse water spray effects and caters to current demands for varied water flow and spray patterns. Furthermore, the aerator shell and core are essentially assembled in a one-to-one correspondence, resulting in poor versatility. When changing the aerator type, both the core and shell must be replaced simultaneously, making individual replacements expensive.

[0004] 2. Existing aerators are prone to limescale buildup or blockage by impurities after prolonged use, leading to uneven water flow or distorted water spray patterns in bathroom products. Typically, the aerator needs to be disassembled and cleaned using descaling agents and other cleaning tools. However, to ensure the aerator's aesthetic integrity during manufacturing, it generally has a one-piece casing, increasing the difficulty of disassembling or reassembling the water flow structure. This makes it difficult for users to clean the aerator in daily use. Furthermore, after users disassemble and clean the aerator themselves, they often cannot reassemble it, requiring professional reassembly, resulting in high maintenance costs.

[0005] 3. The existing aerator has a core with multiple layers of water outlet structure fixed together. The gaps between the layers are small. Even if the aerator is disassembled and cleaned, it is impossible to clean the scale in the gaps between the layers, which affects the water output effect.

[0006] 4. When an aerator is installed on an existing faucet, the faucet produces a bubble-like water flow, but the water droplets are uniform and cannot provide different water flow patterns, thus limiting people's current needs for diverse water flow and patterns.

[0007] 5. Although existing aerators can produce a gentle water spray and save water flow, the single bubble water output method requires more time to wait when there is a need to store water, which is inconvenient to use.

[0008] In view of this, the inventors, in order to address the numerous deficiencies and inconveniences caused by the imperfections in the aforementioned bubbler structure design, have conducted in-depth conceiving, active research and development, and trial production to develop and design this invention. Summary of the Invention

[0009] The purpose of this invention is to provide an aerator with an air intake channel located on the aerator core. Water and air are fully mixed inside the aerator core to produce bubbly water. The air intake volume can be adjusted by replacing the aerator core with different sized air intake channels to achieve different water spray effects, thus meeting the needs of different people for water force and various spray patterns. Moreover, when replacing the aerator core, it is not necessary to replace the aerator shell at the same time, which improves versatility and reduces replacement costs.

[0010] To achieve the above objectives, the solution of the present invention is:

[0011] A bubbler includes a bubbler housing and a bubbler core that can be flipped inside the bubbler housing. The bubbler housing has a spherical assembly ring at the lower end for the bubbler core to flip and a water inlet at the top. The bubbler core has a core body, a first panel, and a second panel. The core body has a spherical outer wall and an inner wall that mate with the spherical assembly ring. The outer wall and inner wall of the first panel are connected by a plurality of connecting pieces, and the interval between two adjacent connecting pieces is an air intake channel. The outer wall of the second panel is fitted inside the inner wall of the second panel, and there is a gap between the second panel and the first panel, the gap being connected to the air intake channel.

[0012] The core body and the first panel are either integrally formed or separate structures, while the second panel and the core body are separate structures.

[0013] The first panel has a cylindrical cavity that is recessed from the top to the bottom. At least one foaming net is provided inside the cylindrical cavity, and the foaming net has a plurality of circumferentially distributed water passages.

[0014] The cylindrical cavity is equipped with two foaming nets, and the water passage holes on the two foaming nets are staggered vertically.

[0015] The outer end of the first panel has a ring portion protruding from the inner wall of the ring and a spherical portion located inside the ring portion; the outer surface of the second panel facing outward forms a concave-convex curved surface with a central arc protrusion and a peripheral arc concavity.

[0016] The bottom surface of the second panel is concentrically provided with an inclined ring, the inclined ring having an outer inclined ring surface that is inclined downward and inward.

[0017] The bottom surface of the second panel is provided with multiple legs that extend into the cylindrical cavity.

[0018] One end of the inner wall of the core body is provided with a stepped ring, and the outer wall of the second panel is provided with a ring groove that engages with the stepped ring.

[0019] The first panel is provided with a plurality of first water inlets, and the second panel is provided with a plurality of second water inlets; the diameter of the ring in which the first water inlets on the outermost ring of the first panel are located is greater than the diameter of the ring in which the second water inlets on the outermost ring of the second panel are located.

[0020] The first water inlet is a honeycomb-shaped hole, and the second water inlet is a circular hole, wherein the diameter of the circular hole is smaller than the diameter of the honeycomb-shaped hole.

[0021] The bubbler housing has a cylindrical outer shell and an inner shell. The bottom end of the outer shell is provided with a first assembly ring, and the bottom end of the inner shell abuts against the first assembly ring and is provided with a second assembly ring. The first assembly ring and the second assembly ring form a spherical assembly ring that mates with the outer wall of the spherical surface. The diameter of the bottom ring of the first assembly ring is smaller than the diameter at the maximum diameter of the outer wall of the spherical surface of the bubbler core. The diameter of the top ring of the second assembly ring is smaller than the minimum diameter of the outer wall of the spherical surface of the bubbler core.

[0022] The inlet is equipped with a flow-limiting ring. The inlet has a central boss at its center and a circular platform surrounding the central boss. The circumferential wall of the central boss is provided with multiple connecting rods that connect to the inner wall of the circular platform. Multiple third inlet holes are evenly arranged around the circumference of the circular platform, and the circular platform is inclined downwards in an arc from the outer ring to the inner ring. The central boss is inclined downwards in an arc from the center to the outer ring. The connecting rods connect the circular platform and the central boss in an arc. The center of the central boss is provided with an upwardly protruding positioning cylinder. The flow-limiting ring has a central hole fitted onto the positioning cylinder and a ring portion supported on the connecting rods. The ring portion has an expanding ring that gradually expands outwards from the central hole and a circular ring located on the outer ring of the expanding ring. The diameter of the circular ring is larger than the maximum diameter of the expanding ring.

[0023] The aerator housing is further provided with a housing ring, and the connecting ring wall of the housing ring is provided with an internal thread that is screwed into the external thread of the faucet outlet; or, the outer ring wall of the aerator housing is provided with an external thread that is screwed into the internal thread of the faucet outlet.

[0024] With the above structure, the aerator of the present invention has the air intake channel set on the inner core of the aerator. Water and air are fully mixed in the inner core of the aerator to produce bubble water. The air intake volume can be adjusted by replacing the inner core of the aerator with different sizes of air intake channels to achieve different water spray effects. This can meet the needs of different people for water force and various spray patterns. Moreover, when replacing the inner core of the aerator, it is not necessary to replace the outer shell of the aerator at the same time, which makes it more versatile and avoids wear and tear on the faucet connector due to frequent replacement of the aerator shell. The replacement cost is also low.

[0025] Furthermore, the bubbler core of this invention can be assembled and disassembled without tools, making it convenient for users to operate and replace different bubbler cores. During assembly, the bubbler core is first flipped to a vertical position and quickly inserted through the spherical assembly ring, then flipped to a horizontal position. During disassembly, the bubbler core is first flipped to a vertical position; the two sides of the bubbler core have two force points on the spherical assembly ring. By forcefully pulling out the bubbler core, the bubbler shell undergoes elastic deformation into an elliptical shape, providing space for disassembly and making disassembly easier. Therefore, the bubbler core of this invention can achieve both rapid assembly and disassembly, and maintain a relatively stable positional relationship with the bubbler shell during normal use.

[0026] Furthermore, when the aerator core of this invention is flipped so that the first panel is below, the opening end of the air inlet channel is outside the aerator shell, and gas enters the gap from the air inlet channel. The gas mixes with the water flowing down from the second panel, producing bubbles and water output. When the aerator core is flipped so that the second panel is below, the opening end of the air inlet channel is inside the aerator shell, preventing air intake and allowing normal water output. When the faucet is filling or storing water, it can be switched to normal water output, resulting in a larger water flow, saving time for filling or storing water, and making it more convenient to use. Attached Figure Description

[0027] Figure 1 is a schematic diagram of the structure of the bubbler of the present invention;

[0028] Figure 2 is a schematic diagram of the bubbler of the present invention from another direction;

[0029] Figure 3 is an exploded view of the bubbler of the present invention;

[0030] Figure 4 is an exploded view of the bubbler of the present invention from another direction;

[0031] Figure 5 is a bottom view of the bubbler of the present invention;

[0032] Figure 6 is a top view of the bubbler of the present invention;

[0033] Figure 7 is a cross-sectional view along the AA direction in Figure 5;

[0034] Figure 8 is a cross-sectional view along the BB direction in Figure 5;

[0035] Figure 9 is an exploded view of the inner core of the bubbler of the present invention;

[0036] Figure 10 is an exploded view of the inner core of the bubbler of the present invention from another direction;

[0037] Figure 11 is a cross-sectional schematic diagram of the inner core of the bubbler of the present invention;

[0038] Figure 12 is a cross-sectional schematic diagram of the bubbler core of the present invention flipped to a vertical state;

[0039] Figure 13 is a schematic diagram of the built-in bubbler of the present invention;

[0040] Figure 14 is a cross-sectional schematic diagram of the built-in bubbler of the present invention;

[0041] Figure 15 is an exploded view of the built-in bubbler of the present invention.

[0042] Symbol Explanation

[0043] Aerator inner core 1; Aerator outer shell 2; Spherical assembly ring 21; Water inlet 22; Core body 11; First panel 12; Second panel 13; Spherical outer wall 111; Ring inner wall 112; Connecting piece 113; Air inlet channel 3; Spacing 4; Cylindrical cavity 121; Aerator net 5; Water passage hole 51; Ring part 122; Spherical part 123; Concave-convex curved surface 131; Inclined ring 132; Outer inclined ring surface 133; Support leg 134; Stepped ring 114; Ring groove 135; First water inlet hole 14; Second water inlet hole 15; Outer shell 23; Inner shell 24; First assembly ring 231; Second assembly ring 241; Flow limiting ring 6; Central boss 221; Circular ring platform 222; Connecting rod 223; Third water inlet hole 2221; Positioning cylinder 224; Central hole 61; Ring part 62; External thread 25. Detailed Implementation

[0044] To further explain the technical solution of the present invention, the present invention will be described in detail below through specific embodiments.

[0045] Please refer to Figures 1 to 12. This invention discloses an aerator, including an aerator shell 2 and an aerator core 1 that can be flipped inside the aerator shell 2. The aerator shell 2 has a spherical assembly ring 21 located at the lower end for the aerator core 1 to be flipped and a water inlet 22 located at the top. The aerator core 1 has a core body 11, a first panel 12 and a second panel 13. The core body 11 has a spherical outer wall 111 and an inner wall 112 that cooperate with the spherical assembly ring 21. The outer wall and the inner wall 112 of the first panel 12 are connected by a plurality of connecting pieces 113, and the interval between two adjacent connecting pieces 113 is an air intake channel 3. The outer wall of the second panel 13 is fitted inside the inner wall 112, and there is a gap 4 between the second panel 13 and the first panel 12. The gap 4 is connected to the air intake channel 3.

[0046] The aerator of this invention has an air inlet channel 3 set on the aerator core 1. Water and air are fully mixed in the aerator core 1 to produce bubble water. The air intake can be adjusted by replacing the aerator core 1 with different sizes of air inlet channels to achieve different water spray effects, which can meet the needs of different people for water force and various spray patterns. Moreover, when replacing the aerator core 1, it is not necessary to replace the aerator shell 2 at the same time, which has better versatility, avoids wear and tear on the faucet connector due to frequent replacement of the aerator shell 2, and has low replacement cost.

[0047] Furthermore, the bubbler core 1 of this invention can be assembled and disassembled without tools, which is convenient for users and allows for easy replacement of different bubbler cores 1. During assembly, the bubbler core 1 is first flipped to a vertical position and quickly inserted through the spherical assembly ring 21, then flipped to a horizontal position. During disassembly, the bubbler core 1 is first flipped to a vertical position. The bubbler core 1 has two force points on both sides of the spherical assembly ring 21. By forcefully pulling out the bubbler core 1, the bubbler outer shell 2 undergoes elastic deformation into an elliptical shape, providing space for disassembly of the bubbler core 1, making disassembly more convenient. Therefore, the bubbler core 1 of this invention can achieve both rapid assembly and disassembly, and maintain a relatively stable positional relationship with the bubbler outer shell 2 during normal use.

[0048] Furthermore, when the aerator core 1 of the present invention is flipped so that the first panel 12 is below, the opening end of the air inlet channel 3 is outside the aerator shell 2, and the gas enters the gap 4 from the air inlet channel 3. The gas mixes with the water flowing down from the second panel 13, producing bubbles and water output. When the aerator core 1 is flipped so that the second panel 13 is below, the opening end of the air inlet channel 3 is inside the aerator shell 2, and no air can enter, but water output is normal. The same aerator core 2 has two water output effects: bubble output and normal water output. When the faucet is filling or storing water, it can be switched to normal water output, which provides a larger water flow, saves water filling or storage time, and is more convenient to use.

[0049] The core body 11 and the first panel 12 of the present invention are integrally formed or separate structures, while the second panel 13 and the core body 11 are separate structures. The inner core 1 of the aerator of the present invention can be flipped over for cleaning or disassembled for cleaning. When there is scale on the outer side of the first panel 12 or the second panel 13, the scaled outer side can be flipped downwards to expose the aerator shell, and can be cleaned by using water flow to rinse the scale on the outer side, resulting in a good cleaning effect. Alternatively, the second panel 13 can be disassembled to clean both sides of the second panel 13. After removing the second panel 13, the inner side of the first panel 12 and the inner ring wall 112 of the core body 11 can be cleaned, resulting in a better cleaning effect and a better water output effect.

[0050] The first panel 12 of this invention is provided with a cylindrical cavity 121 that is recessed from the top to the bottom. Gas enters the cylindrical cavity 121 through the air inlet channel 3 and the spacing 4, allowing the gas and water to mix fully and resulting in better foaming. At least one foaming net 5 is provided in the cylindrical cavity 121. The foaming net 5 makes the foam finer and the water flow gentler. The foaming net 5 is provided with multiple circumferentially distributed water holes 51. Two foaming nets 5 are provided in the cylindrical cavity 121, and the water holes 51 on the two foaming nets 5 are staggered vertically for better foaming.

[0051] The first panel 12 of the present invention has an outer end with a ring portion 122 protruding from the inner wall 112 and a spherical portion 123 located inside the ring portion 122; the outer surface of the second panel 13 forms a concave-convex curved surface 131 with a central arc protrusion and a peripheral arc concavity; the spherical portion 123 and the ring portion 122 protrude from the inner wall 112, which can facilitate applying force to the aerator core 1 to flip the aerator core 1 and switch the water output effect; the height difference between the water inlet 22 and the concave-convex curved surface 131 is relatively large, which can increase the water flow impact force, flush away scale, and avoid excessive scale accumulation, which would affect the water output effect.

[0052] The bottom surface of the second panel 13 of the present invention is concentrically provided with an inclined ring 132, the inclined ring 132 having an outer inclined ring surface 133 that is inclined downward and inward; the outer inclined ring surface 133 facilitates the flow of gas from the air inlet channel 3 into the spacing 4, so that the gas and water are fully mixed and the foaming effect is better.

[0053] The bottom surface of the second panel 13 of the present invention is provided with a plurality of support legs 134 extending into the cylindrical cavity 121; the support legs 134 can restrict the foaming net 5 to be located in the cylindrical cavity 121, and prevent the foaming net 5 from falling out of the cylindrical cavity 121 and blocking the gap 4, thereby affecting the air intake and reducing the foaming effect.

[0054] The core body 11 of the present invention has a stepped ring 114 at one end of the inner wall 112, and the outer wall of the second panel 13 has an annular groove 135 that engages with the stepped ring 113; the structure of the stepped ring 114 and the annular groove 135 can securely hold the second panel 13 on the core body 11.

[0055] The first panel 12 of the present invention is provided with a plurality of first water inlet holes 14, and the second panel 13 is provided with a plurality of second water inlet holes 15; the diameter of the ring in which the first water inlet holes 14 on the outermost ring of the first panel 12 are located is larger than the diameter of the ring in which the second water inlet holes 15 on the outermost ring of the second panel 13 are located; when foaming and discharging water, the water inlet range from the second panel 13 is smaller than the water outlet range from the first panel 12, resulting in smoother water discharge and better water discharge effect, and avoiding the situation where water overflows from the first panel 12 and flows out from the air inlet channel 3 when the water flow does not exit from the first panel 12 in time, resulting in a smaller air intake and poor foaming effect.

[0056] The thickness of the first panel 12 of the present invention is greater than the thickness of the second panel 13, and the height of the first water inlet hole 14 with the highest hole depth is greater than the height of the second water inlet hole 15 with the highest hole depth.

[0057] The first water inlet hole 14 of the present invention is a honeycomb-shaped hole, and the second water inlet hole 15 is a circular hole. The first water inlet hole 14 and the second water inlet hole 15 are staggered, and the diameter of the circular hole is smaller than that of the honeycomb-shaped hole. The honeycomb-shaped hole vertically penetrates the first panel 12, and the circular hole vertically penetrates the second panel 13, resulting in a better foaming effect.

[0058] The bubbler housing 2 of the present invention has a cylindrical outer shell 23 and an inner shell 24. The bottom end of the outer shell 23 is provided with a first assembly ring 231, and the bottom end of the inner shell 24 abuts against the first assembly ring 231 and is provided with a second assembly ring 241. The first assembly ring 231 and the second assembly ring 241 form a spherical assembly ring 21 that mates with the outer wall of a spherical surface. The diameter of the bottom ring of the first assembly ring 231 is smaller than the diameter at the maximum diameter of the outer wall of the spherical surface of the bubbler inner core 1. The diameter of the top ring of the second assembly ring 241 is smaller than the minimum diameter of the outer wall of the spherical surface of the bubbler inner core 1. The bubbler housing 2 and the bubbler inner core 1 are rotated or flipped together through the spherical mating structure.

[0059] The inlet 22 of this invention is provided with a flow-limiting ring 6. The inlet 22 has a central boss 221 located at the center and an annular platform 222 surrounding the central boss 221. The circumferential wall of the central boss 221 is provided with multiple connecting rods 223 that connect to the inner wall of the annular platform 222. Multiple third inlet holes 2221 are evenly arranged circumferentially on the annular platform 222, and the annular platform 222 is inclined downwards in an arc from the outer ring to the inner ring. The central boss 221 is inclined downwards in an arc from the center to the outer ring. The connecting rods 223 arc-connect the annular platform 222 and the central boss 221. A positioning cylinder 224 protruding upwards is provided at the center of the central boss 221. The flow-limiting... Ring 6 has a central hole 61 fitted onto the positioning cylinder 224 and a ring portion 62 supported on the connecting rod 223; the ring portion 62 has a gradually expanding ring extending outward from the central hole and a circular ring located on the outer ring of the gradually expanding ring, the diameter of the circular ring being larger than the maximum diameter of the gradually expanding ring; when the water flow is relatively large, the water flow impacts the flow-limiting ring 6, and the flow-limiting ring 6 elastically deforms and expands outward to block the water inlet 22, reducing the water intake space of the water inlet 22 and reducing the water flow entering the inner shell 24; when the water flow is relatively small, the water flow impact force is less than the elastic deformation force of the flow-limiting ring 6, and the flow-limiting ring 6 returns to its original shape, increasing the water intake space of the water inlet 22 and increasing the water flow entering the inner shell 24; thus achieving a gentle water flow and better foaming effect.

[0060] The aerator housing 2 of the present invention is further provided with a housing ring, and the inner ring wall of the housing ring is provided with an internal thread that is screwed into the external thread of the faucet outlet; the aerator of the present invention can be used as an external aerator in conjunction with a faucet.

[0061] The outer ring wall of the aerator housing 2 of the present invention is provided with an external thread 25 that is screwed into the internal thread of the faucet outlet (see Figures 13 to 15 for details); the aerator of the present invention can be used as a built-in aerator in conjunction with the faucet; the aerator core 1 of the present invention can be used in both external and built-in aerators. When it is necessary to replace the aerator with a different effect, only the aerator core 1 needs to be replaced, which results in low replacement cost.

[0062] The above embodiments and accompanying drawings are not intended to limit the product form and style of the present invention. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present invention.

Claims

1. A bubbler, characterized in that: The device includes an aerator shell and an aerator core that can be flipped inside the aerator shell. The aerator shell has a spherical assembly ring at the lower end for the aerator core to flip, and a water inlet at the top. The aerator core has a core body, a first panel, and a second panel. The core body has a spherical outer wall and an inner wall that mate with the spherical assembly ring. The outer and inner walls of the first panel are connected by multiple connecting pieces, with the interval between adjacent connecting pieces forming an air intake channel. The outer wall of the second panel is fitted into the inner wall, and there is a gap between the second panel and the first panel, which communicates with the air intake channel. The aerator shell has a cylindrical outer shell and an inner shell. The bottom end of the outer shell is provided with the first assembly ring, and the inner shell... The bottom end abuts against the first assembly ring and is provided with a second assembly ring. The first and second assembly rings form a spherical assembly ring that mates with the outer wall of the spherical surface. The diameter of the bottom ring of the first assembly ring is smaller than the diameter at the maximum diameter of the outer wall of the spherical surface of the bubbler core. The diameter of the top ring of the second assembly ring is smaller than the minimum diameter of the outer wall of the spherical surface of the bubbler core. During assembly, the bubbler core is first flipped to a vertical position and quickly inserted into the spherical assembly ring, then flipped to a horizontal position. During disassembly, the bubbler core is first flipped to a vertical position. The bubbler core has two force points on both sides of the spherical assembly ring. The bubbler core is pulled out with force, and the bubbler shell deforms elastically into an elliptical shape under force, providing space for disassembly of the bubbler core, making disassembly more convenient.

2. The aerator as described in claim 1, characterized in that: The core body and the first panel are either integrally formed or separate structures, while the second panel and the core body are separate structures.

3. The aerator as described in claim 1, characterized in that: The first panel has a cylindrical cavity that is recessed from the top to the bottom. At least one foaming net is provided inside the cylindrical cavity, and the foaming net has a plurality of circumferentially distributed water passages.

4. The aerator as described in claim 1, characterized in that: The outer end of the first panel has a ring portion protruding from the inner wall of the ring and a spherical portion located inside the ring portion; the outer surface of the second panel facing outward forms a concave-convex curved surface with a central arc protrusion and a peripheral arc concavity.

5. The aerator as described in claim 1, characterized in that: The bottom surface of the second panel is provided with multiple legs that extend into the cylindrical cavity.

6. The aerator as described in claim 1, characterized in that: One end of the inner wall of the core body is provided with a stepped ring, and the outer wall of the second panel is provided with a ring groove that engages with the stepped ring.

7. The aerator as described in claim 1, characterized in that: The first panel is provided with a plurality of first water inlets, and the second panel is provided with a plurality of second water inlets; the diameter of the ring in which the first water inlets on the outermost ring of the first panel are located is greater than the diameter of the ring in which the second water inlets on the outermost ring of the second panel are located.

8. The aerator as described in claim 1, characterized in that: The inlet is equipped with a flow-limiting ring. The inlet has a central boss at its center and a circular platform surrounding the central boss. The circumferential wall of the central boss is provided with multiple connecting rods that connect to the inner wall of the circular platform. Multiple third inlet holes are evenly arranged around the circumference of the circular platform, and the circular platform is inclined downwards in an arc from the outer ring to the inner ring. The central boss is inclined downwards in an arc from the center to the outer ring. The connecting rods connect the circular platform and the central boss in an arc. The center of the central boss is provided with an upwardly protruding positioning cylinder. The flow-limiting ring has a central hole fitted onto the positioning cylinder and a ring portion supported on the connecting rods. The ring portion has an expanding ring that gradually expands outwards from the central hole and a circular ring located on the outer ring of the expanding ring. The diameter of the circular ring is larger than the maximum diameter of the expanding ring.

9. The aerator as described in claim 1, characterized in that: The aerator housing is further provided with a housing ring, and the connecting ring wall of the housing ring is provided with an internal thread that is screwed into the external thread of the faucet outlet; or, the outer ring wall of the aerator housing is provided with an external thread that is screwed into the internal thread of the faucet outlet.

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