Water outlet device

Abstract

The utility model discloses a water outlet device which comprises a water inlet channel, a water passing channel, a negative pressure channel and a water outlet channel which are communicated in sequence, the negative pressure channel is provided with an air suction channel communicated to the outside, and when liquid is injected into the negative pressure channel from the water passing channel, negative pressure can be formed in the negative pressure channel according to the Venturi effect; wherein a flow blocking structure is arranged in the water inlet channel, the water inlet channel can drive the flow blocking structure to rotate relative to the water passing channel, and when the flow blocking structure rotates, the water passing amount of the water passing channel can be changed; the water passing amount of the water passing channel is adjusted through the flow blocking structure, so that the water-air proportion is controlled; the structure is simple and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of toilets, in particular to a water outlet device. Background Art

[0002] Some existing smart toilets use a nozzle to flush the toilet cavity with water. This nozzle utilizes a Venturi structure, enhancing the flushing effect through water-air mixing. However, external water supply systems often experience pressure fluctuations, leading to unstable water flow from the nozzle. Under high pressure, water can easily collide with the ceramic wall or the water film on the ceramic surface, causing splashing. Existing nozzles are unable to adjust the water-air ratio to control the water spray effect. Utility Model Content

[0003] The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. To this end, the present invention provides a water outlet device.

[0004] To achieve the above purpose, the technical solution of the utility model is as follows:

[0005] According to the first aspect of the present invention, the water outlet device includes a water inlet channel, a water flow channel, a negative pressure channel and a water outlet channel connected in sequence. The negative pressure channel is provided with an air suction channel connected to the outside. When liquid is injected into the negative pressure channel from the water flow channel, negative pressure can be formed in the negative pressure channel according to the Venturi effect; wherein, a flow blocking structure is provided in the water inlet channel, and the water inlet channel can drive the flow blocking structure to rotate relative to the water flow channel, and the water flow rate of the water flow channel can be changed when the flow blocking structure rotates.

[0006] The water outlet device according to the embodiment of the present invention has at least the following beneficial effects: the water flow rate of the water passage is adjusted by the flow-blocking structure, thereby controlling the water-gas ratio; the structure is simple and the operation is convenient.

[0007] According to some embodiments of the present invention, a diverter is further included, on which a plurality of water flow channels are provided, and the plurality of water flow channels are distributed in sequence along the circumference of the diverter. The flow blocking structure is provided with a plurality of flow blocking openings, and when the flow blocking structure rotates, the flow blocking openings can be aligned or misaligned with the water flow channels one by one.

[0008] According to some embodiments of the present invention, radial cross-sections of the flow blocking port and the water passage are fan-shaped.

[0009] According to some embodiments of the present invention, it also includes a first tube body and a second tube body, the water inlet channel is formed inside the first tube body, the negative pressure channel is formed in the second tube body, the second tube body and the first tube body are rotatably connected, and the diverter is fixed in the negative pressure channel.

[0010] According to some embodiments of the present invention, the air intake channel extends radially outward on the second tube body, a guide groove is provided on the side wall of the first tube body, the guide groove extends axially around the first tube body, the second tube body is inserted into the first tube body, and the air intake channel slides in the guide groove.

[0011] According to some embodiments of the present invention, the baffle structure is plate-shaped and extends radially along the water inlet channel. A rotating shaft extends axially from the center of the baffle structure, and the rotating shaft is coaxially arranged in the diverter.

[0012] According to some embodiments of the present invention, a shoulder is provided on one end of the negative pressure channel, a protrusion extends radially from the shoulder, a notch is provided on the diverter, and the protrusion is snapped onto the notch.

[0013] According to some embodiments of the present invention, the diverter is installed on the end of the negative pressure channel, one side of the diverter abuts against the flow blocking structure, and the other side of the diverter abuts against the hole shoulder.

[0014] According to some embodiments of the present invention, the water cross-sectional area of ​​the water inlet channel is larger than the water cross-sectional area of ​​the water pass channel, the water cross-sectional area of ​​the negative pressure channel is larger than the water cross-sectional area of ​​the water pass channel, and the water cross-sectional area of ​​the negative pressure channel is larger than the water cross-sectional area of ​​the water inlet channel.

[0015] According to some embodiments of the present utility model, the water outlet channel includes a first channel and a second channel, the water cross-sectional area of ​​the first channel is smaller than the water cross-sectional area of ​​the second channel, the first channel is closer to the negative pressure channel than the second channel, and a rectifying channel is provided between the first channel and the negative pressure channel, the water cross-sectional area of ​​the rectifying channel is smaller than the water cross-sectional area of ​​the first channel, and the water cross-sectional area of ​​the rectifying channel is larger than the water cross-sectional area of ​​the second channel.

[0016] According to some embodiments of the present invention, a transition position between the negative pressure channel and the rectifying channel is in a constricted shape that gradually shrinks toward the rectifying channel.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1It is a structural diagram of the water outlet device;

[0020] Figure 2 It is a cross-sectional view of the internal structure of the water outlet device;

[0021] Figure 3 It is a schematic diagram of the structural decomposition of the water outlet device;

[0022] Figure 4 is a structural schematic diagram of the first tube body;

[0023] Figure 5 It is a structural diagram of the diverter;

[0024] Figure 6 Schematic diagram of the structure of the second tube body.

[0025] Figure numerals: water inlet channel 100; water flow channel 200; negative pressure channel 300; hole shoulder 310; protrusion 320; water outlet channel 400; first channel 410; second channel 420; air intake channel 500; flow blocking structure 600; flow blocking port 610; rotating shaft 620; diverter 700; notch 710; first tube body 810; guide groove 811; second tube body 820; third tube body 830; rectifying channel 900. DETAILED DESCRIPTION

[0026] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0027] The utility model relates to a water outlet device, which comprises a water inlet channel 100, a water flow channel 200, a negative pressure channel 300 and a water outlet channel 400.

[0028] like Figure 1 and Figure 2As shown, the water inlet channel 100, the water flow channel 200, the negative pressure channel 300 and the water outlet channel 400 are connected in sequence. An air intake channel 500 is provided on the negative pressure channel 300. Liquids such as water and solutions enter through the water inlet channel 100 and flow in sequence along the water inlet channel 100, the water flow channel 200, the negative pressure channel 300 and the water outlet channel 400. The flow process will produce a Venturi effect. When the liquid is sprayed from the water flow channel 200 into the negative pressure channel 300, a negative pressure will be formed in the negative pressure channel 300. Under the action of the negative pressure, the external air enters the negative pressure channel 300 through the air intake channel 500 for gas-liquid mixing, and finally is discharged to the outside through the water outlet channel 400. A flow blocking structure 600 is provided in the water inlet channel 100. The flow blocking structure 600 can be integrally formed in the water inlet channel 100, or it can be installed in the water inlet channel 100 as an independent component. The flow blocking structure 600 is used to adjust the amount of water passing from the water inlet channel 100 to the water flow channel 200. The water inlet channel 100 can rotate relative to the water flow channel 200, and the flow-blocking structure 600 rotates clockwise or counterclockwise along with the water inlet channel 100. When the flow-blocking structure 600 rotates in one direction, it can increase the water flow through the water flow channel 200; when the flow-blocking structure 600 rotates in the other direction, it can reduce the water flow through the water flow channel 200. In actual use, the water inlet channel 100 is connected to an external water supply system such as a tap water pipe, and the water flow through the water flow channel 200 is adjusted according to the water pressure of the tap water. When the water pressure is high, the water inlet channel 100 is rotated, driving the flow-blocking structure 600 to reduce the water flow through the flow channel, thereby increasing the air intake in the negative pressure area, that is, reducing the water-gas ratio, and preventing the water-gas mixed fluid from splashing when it is ejected from the water outlet channel 400 and flushed onto external objects. When the water pressure is low, the water inlet channel 100 rotates, driving the flow-blocking structure 600 to increase the water flow through the flow channel, thereby reducing the amount of air drawn into the negative pressure zone. This increases the water-to-air ratio, preventing excessive fluid energy loss and resulting in poor cleaning results when the fluid is ejected from the water outlet channel 400. The water outlet device regulates the water flow through the water outlet channel 200 via the flow-blocking structure 600, thereby controlling the water-to-air ratio. This simple structure and easy operation are the key features.

[0029] In some specific embodiments of the present invention, Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, it also includes a diverter 700. The diverter 700 can be a plate-shaped component. The diverter 700 is provided with a plurality of water passages 200, and the water passages 200 can be provided with one, two or more. The baffle structure 600 is provided with a plurality of baffle openings 610, and the number and position of the baffle openings 610 correspond one to one with the water passages 200. In this embodiment, the diverter 700 is provided with four water passages 200, and the four water passages 200 are distributed in sequence around the circumference of the diverter 700. Four baffle openings 610 are correspondingly provided on the baffle structure 600, and the four baffle openings 610 are distributed in sequence along the circumference of the baffle structure 600. The diverter 700 is fixed relative to the negative pressure chamber. The water inlet channel 100 and the baffle structure 600 rotate synchronously relative to the diverter 700. The baffle openings 610 are connected to the water passages 200 in a one-to-one manner. During rotation, the flow-blocking opening 610 and the water passage 200 become misaligned, allowing liquid to flow from the water inlet channel 100 through the flow-blocking opening 610 and the water passage 200 before entering the negative pressure channel 300. By varying the misalignment area of ​​the flow-blocking opening 610 relative to the water passage 200, the flow rate through the water passage 200 can be controlled. The radial cross-sections of the flow-blocking opening 610 and the water passage 200 can be fan-shaped, circular, or other shapes.

[0030] like Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the water outlet device also includes a first tube body 810 and a second tube body 820. The interior of the first tube body 810 forms a water inlet channel 100, and the baffle structure 600 is integrally formed in the water inlet channel 100. The baffle structure 600 is plate-shaped and extends radially along the water inlet channel 100. The negative pressure channel 300 is formed in the second tube body 820. The diverter 700 is installed on the end of the negative pressure channel 300. The second tube body 820 and the first tube body 810 are rotatably connected, and the two can be connected by axial plug-in. After installation, the diverter 700 coaxially abuts against the baffle structure 600. The opposing surfaces of the diverter 700 and the baffle structure 600 can fit each other. The first tube body 810 and the second tube body 820 can rotate relative to each other, and the second tube body 820 drives the diverter 700 to rotate relative to the baffle structure 600. The water outlet channel 400 can also be formed on the second tube body 820, or the water outlet device can also be provided with a third tube body 830, and the water outlet channel 400 can be formed in the third tube body 830, and the third tube body 830 and the second tube body 820 can be connected by plugging or other means. Furthermore, as shown in the figure, a rotating shaft 620 extends axially from the center of the flow-blocking structure 600. The rotating shaft 620 can be integrally formed on the flow-blocking structure 600. The rotating shaft 620 is coaxially inserted through the diverter 700. The rotating shaft 620 ensures that the diverter 700 and the flow-blocking structure 600 rotate coaxially relative to each other. The air intake channel 500 extends radially outward on the second tube body 820. A guide groove 811 is provided on the side wall of the first tube body 810, and the guide groove 811 is provided near the end of the first tube body 810 where the flow-blocking structure 600 is located. The guide groove 811 extends axially around the first tube body 810. The second tube body 820 is inserted into the first tube body 810, and the air intake channel 500 is slidably connected in the guide groove 811. By utilizing the cooperation between the air intake channel 500 and the guide groove 811, the relative movement of the first tube body 810 and the second tube body 820 in the axial direction can be restricted. When the first tube body 810 and the second tube body 820 rotate relative to each other, the air intake channel 500 slides relative to each other around the axial direction in the guide groove 811. The groove length of the guide groove can be set according to the offset stroke of the flow-blocking structure 600 relative to the water passage 200. By observing the relative position of the air intake channel 500 on the guide groove 811, the offset position of the flow-blocking structure 600 and the water passage 200 can be estimated, and the positions of the two ends of the guide groove 811 can be used to limit the rotation stroke of the flow-blocking structure 600 relative to the water passage 200.

[0031] Further, such as Figure 5 and Figure 6As shown, a shoulder 310 is provided at one end of the negative pressure channel 300. A protrusion 320 extends radially from the shoulder 310. A notch 710 is provided on the diverter 700. The diverter 700 is mounted on the end of the negative pressure channel 300, and the protrusion 320 engages with the notch 710, thereby limiting axial rotation of the diverter 700 relative to the negative pressure channel 300. One side of the diverter 700 abuts the shoulder 310, and the other side of the diverter 700 abuts the flow blocking structure 600, thereby fixing the diverter 700 in the axial direction.

[0032] In some embodiments of the present invention, Figure 2 As shown, the water inlet channel 100 can be set as a channel structure with equal diameters at all locations. The water-passing cross-sectional area of ​​the water inlet channel 100 is larger than the water-passing cross-sectional area of ​​the water-passing channel 200. If multiple water-passing channels 200 are provided, the water-passing cross-sectional area of ​​the water inlet channel 100 is larger than the total water-passing cross-sectional area of ​​all water-passing channels 200. The negative pressure channel 300 can be set as a channel structure with equal diameters at all locations. The water-passing cross-sectional area of ​​the negative pressure channel 300 is larger than the water-passing cross-sectional area of ​​the water-passing channel 200. If multiple water-passing channels 200 are provided, the water-passing cross-sectional area of ​​the negative pressure channel 300 is larger than the total water-passing cross-sectional area of ​​all water-passing channels 200. The water-passing cross-sectional area of ​​the negative pressure channel 300 is larger than the water-passing cross-sectional area of ​​the water inlet channel 100. When water flows through the water inlet channel 100, the water-passing channel 200 and the negative pressure channel 300, a Venturi effect occurs.

[0033] Among them, such as Figure 2 and Figure 3As shown, the water outlet channel 400 includes a first channel 410 and a second channel 420. The first channel 410 can be a channel structure with equal diameters at all locations, and the second channel 420 can be a channel structure with equal diameters at all locations. The water-passing cross-sectional area of ​​the first channel 410 is smaller than the water-passing cross-sectional area of ​​the second channel 420. There is a step at the transition position between the first channel 410 and the second channel 420. The first channel 410 is closer to the negative pressure channel 300 than the second channel 420. A rectifying channel 900 is provided between the first channel 410 and the negative pressure channel 300. The rectifying channel 900 can be set as a channel structure with equal diameters at all locations. The water-passing cross-sectional area of ​​the rectifying channel 900 is smaller than the water-passing cross-sectional area of ​​the first channel 410, and the water-passing cross-sectional area of ​​the rectifying channel 900 is larger than the water-passing cross-sectional area of ​​the second channel 420. The water-gas mixed fluid is rectified from the negative pressure channel 300 through the rectifying channel 900 and then sprayed into the first channel 410. After some fluid is injected into the first flow channel, it impacts the step between the first channel 410 and the second channel 420 and rebounds toward the rectifying channel 900. This allows for more complete mixing of the water and gas, allowing it to fill the first channel 410 before flowing out of the second channel 420. Furthermore, the transition between the negative pressure channel 300 and the rectifying channel 900 forms a constriction that gradually narrows toward the rectifying channel 900. The fluid passes through the constriction in the negative pressure channel 300 for initial rectification before entering the rectifying channel 900.

[0034] Throughout this specification, references to "some specific embodiments" and the like indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these 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 any one or more embodiments or examples.

[0035] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A water outlet device, characterized in that: The invention comprises a water inlet channel (100), a water flow channel (200), a negative pressure channel (300) and a water outlet channel (400) which are connected in sequence. The negative pressure channel (300) is provided with an air intake channel (500) which is connected to the outside. When liquid is injected from the water flow channel (200) into the negative pressure channel (300), a negative pressure can be formed in the negative pressure channel (300) according to the Venturi effect. The water inlet channel (100) is provided with a flow blocking structure (600). The water inlet channel (100) can drive the flow blocking structure (600) to rotate relative to the water flow channel (200). When the flow blocking structure (600) rotates, the water flow rate of the water flow channel (200) can be changed.

2. The water outlet device according to claim 1, characterized in that: The invention also includes a diverter (700), wherein the diverter (700) is provided with a plurality of water passages (200), and the plurality of water passages (200) are sequentially distributed along the circumference of the diverter (700); the flow blocking structure (600) is provided with a plurality of flow blocking openings (610), and when the flow blocking structure (600) rotates, the flow blocking openings (610) can be aligned or misaligned with the water passages (200) one by one.

3. The water outlet device according to claim 2, characterized in that: The radial cross-sections of the flow blocking port (610) and the water passage (200) are fan-shaped.

4. The water outlet device according to claim 2, characterized in that: The invention also includes a first tube body (810) and a second tube body (820), wherein the water inlet channel (100) is formed inside the first tube body (810), the negative pressure channel (300) is formed in the second tube body (820), the second tube body (820) and the first tube body (810) are rotatably connected, and the diverter (700) is fixed in the negative pressure channel (300).

5. The water outlet device according to claim 4, characterized in that: The air intake channel (500) extends radially outward on the second tube body (820), a guide groove (811) is provided on the side wall of the first tube body (810), and the guide groove (811) extends axially around the first tube body (810), the second tube body (820) is inserted into the first tube body (810), and the air intake channel (500) is slidably connected in the guide groove (811).

6. The water outlet device according to claim 4, characterized in that: The flow blocking structure (600) is plate-shaped and extends radially along the water inlet channel (100). A rotating shaft (620) extends axially from the center of the flow blocking structure (600). The rotating shaft (620) is coaxially disposed through the diverter (700).

7. The water outlet device according to claim 4, characterized in that: A shoulder (310) is provided at one end of the negative pressure channel (300), a protrusion (320) radially extending from the shoulder (310), a notch (710) is provided on the diverter (700), and the protrusion (320) is snap-fitted onto the notch (710).

8. The water outlet device according to claim 7, characterized in that: The diverter (700) is installed on the end of the negative pressure channel (300), one side of the diverter (700) abuts against the flow blocking structure (600), and the other side of the diverter (700) abuts against the hole shoulder (310).

9. The water outlet device according to claim 1, characterized in that: The water flow cross-sectional area of ​​the water inlet channel (100) is larger than the water flow cross-sectional area of ​​the water flow channel (200), the water flow cross-sectional area of ​​the negative pressure channel (300) is larger than the water flow cross-sectional area of ​​the water flow channel (200), and the water flow cross-sectional area of ​​the negative pressure channel (300) is larger than the water flow cross-sectional area of ​​the water inlet channel (100).

10. The water outlet device according to claim 1, characterized in that: The water outlet channel (400) comprises a first channel (410) and a second channel (420); the water flow cross-sectional area of ​​the first channel (410) is smaller than the water flow cross-sectional area of ​​the second channel (420); the first channel (410) is closer to the negative pressure channel (300) than the second channel (420); a rectifying channel (900) is provided between the first channel (410) and the negative pressure channel (300); the water flow cross-sectional area of ​​the rectifying channel (900) is smaller than the water flow cross-sectional area of ​​the first channel (410), and the water flow cross-sectional area of ​​the rectifying channel (900) is larger than the water flow cross-sectional area of ​​the second channel (420).

11. The water outlet device according to claim 10, characterized in that: The transition position between the negative pressure channel (300) and the rectifying channel (900) is in a constricted shape that gradually shrinks in the direction of the rectifying channel (900).

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