Water outlet device

Abstract

A water outlet device comprises a water inlet, a water outlet and a water outlet flow channel communicated between the water inlet and the water outlet, and the water outlet flow channel is provided with an expansion section, a contraction section and a water outlet section which are sequentially communicated in the water outlet direction. The water passing sectional area of the water outlet channel formed by the expansion section, the contraction section and the water outlet section is arranged in an expansion-contraction-expansion reducing mode in the water outlet direction, so that the flow speed of water flow is slowed down, accelerated and slowed down, the pressure is reduced, air in water is separated out, the content of microbubbles or ultramicro bubbles in water is increased, and the water quality is improved. Therefore, the dirt is stripped by utilizing instant explosion of huge pressure intensity when bubbles are broken and ultrasonic vibration is generated, the cleaning force of water flow to exposed workpieces and ceramic structures is improved, meanwhile, the cleaning device has the advantages of saving water and time and labor, the manual washing frequency is reduced, and the user experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bubble generating device technical field, especially out of water device. BACKGROUND

[0002] The bath product is due to the use condition is relatively humid, and the exposed workpiece and ceramic structure are easy to produce yellow dirt, and the common cleaning mode is to use the water flow to impact the yellow dirt, but only relies on the water flow impact to wash and cannot remove the yellow dirt clearly, and usually still needs manual washing to ensure the cleaning degree of ceramic structure, therefore, it is easy to cause bad user experience. UTILITY MODEL CONTENT

[0003] The utility model discloses a water outlet device, and aims at providing a micro-bubble generating device to ensure the cleaning effect of the bath product.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A water outlet device is provided with a water inlet, a water outlet and a water outlet flow channel connecting the water inlet and the water outlet, the water outlet flow channel is provided with expansion section, contraction section and water outlet section in sequence along the water outlet direction, the water cross section area of expansion section increases along the water outlet direction, the water cross section area of contraction section decreases along the water outlet direction, and the water cross section area of contraction section inlet is not greater than the water cross section area of expansion section outlet, and the water cross section area of water outlet section is greater than the water cross section area of contraction section outlet.

[0006] Further, expansion section includes first expansion section and second expansion section arranged in sequence along the water outlet direction, and the water cross section area of first expansion section is less than the water cross section area of second expansion section.

[0007] Further, it further includes the water inlet section connected to first expansion section, and the ratio between the radial dimension of first expansion section and the radial dimension of water inlet section is 1.2-2, and the ratio between the radial dimension of second expansion section and the radial dimension of first expansion section is 1.2-2.

[0008] Further, the ratio between the radial dimension of water inlet section and the radial dimension of water outlet section is 0.8-1.2.

[0009] Further, the wall surface of contraction section is provided with a plurality of guide ribs, and the guide ribs are used to improve the flow speed or rotation speed of water flow.

[0010] Further, the water outlet end of contraction section is provided with extrusion section, and the ratio between the radial dimension of water inlet section and the axial dimension of extrusion section is 0.5-1.2.

[0011] Further, a plurality of shunt ribs are arranged between extrusion section and water outlet section, and each shunt rib divides the channel in extrusion into a plurality of shunt channels.

[0012] Further, the water outlet cover and the water inlet cover are connected to each other through the recess and the convex part.

[0013] Further, one of the water outlet cover and the water inlet cover is provided with a recess, and the other is provided with a convex part, the water outlet cover and the water inlet cover are connected to each other through the clamping connection between the recess and the convex part, and the recess is provided with a limiting part for preventing the convex part from separating from the recess.

[0014] Further, the recess comprises a first groove section, one end of the first groove section is provided with an opening for the convex part to enter, the other end of the first groove section is provided with a second groove section communicated with the first groove section, and the width of the first groove section is smaller than the width of the second groove section, and the limiting part is formed at the section difference between the first groove section and the second groove section.

[0015] The utility model discloses the beneficial effect is:

[0016] 1. The water outlet device provided by the utility model embodiment, comprising a water inlet, a water outlet and a water outlet flow channel communicated between the water inlet and the water outlet, the water outlet flow channel is provided with an expansion section, a contraction section and a water outlet section communicated in sequence along the water outlet direction, the water passage formed by the expansion section, the contraction section and the water outlet section is provided with a variable diameter setting of expansion-contraction-expansion along the water passage area along the water outlet direction, so that the flow velocity of water flow is slowed down-accelerated-slowed down, the pressure is reduced to separate the air in water, improve the content of micro-bubble or super-micro-bubble in water, so as to utilize the instant explosion of huge pressure and the ultrasonic vibration stripping to remove dirt when the bubble breaks, improve the cleaning force of water flow to exposed workpieces and ceramic structures, simultaneously have the advantages of water saving, time saving and labor saving, and further reduce the frequency of artificial washing, thereby improving the user experience.

[0017] 2. The water outlet device provided by the utility model embodiment, the expansion section comprises a first expansion section and a second expansion section arranged in sequence along the water outlet direction, the water passage area of the first expansion section is smaller than the water passage area of the second expansion section, so that the water flow is expanded twice in the water flow process, the flow velocity of water flow is reduced twice, the degree of dispersion and disorder of water flow is increased, and the change trend of water flow state is increased.

[0018] 3. The water outlet device provided by the utility model embodiment, a plurality of guide ribs are arranged on the wall surface of the contraction section, so as to improve the flow velocity of water flow in the extrusion section or the rotational motion of water flow, and increase the cutting and extrusion effect of the extrusion section on water flow.

[0019] 4. The water outlet device provided by the utility model embodiment, a plurality of shunt ribs are arranged between the extrusion section and the water outlet section, the more the number of shunt ribs, the more obvious the cutting effect on water flow, and the better the bubble effect generated in water flow. DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the utility model embodiments or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0021] Figure 1 It is a schematic view of a water outlet device of the utility model;

[0022] Figure 2 It is an exploded view of a water outlet device of the utility model;

[0023] Figure 3 It is an installation schematic view of a water outlet device of the utility model;

[0024] Figure 4 It is a sectional view of a water outlet device of the utility model;

[0025] Figure 5 It is a schematic view of a water outlet device of the utility model with guide ribs;

[0026] Figure 6 It is Figure 5 A-A direction sectional view;

[0027] Figure 7 It is a schematic view of a water outlet device of the utility model with another number of guide ribs;

[0028] Figure 8 It is Figure 7 B-B direction sectional view;

[0029] Figure 9 It is a schematic view of a water outlet device of the utility model with spiral ribs;

[0030] Figure 10 It is Figure 9 A-A direction sectional view;

[0031] Figure 11 It is a schematic view of a water outlet device of the utility model with another number of spiral ribs;

[0032] Figure 12 It is Figure 11 B-B direction sectional view;

[0033] Figure 13 It is a schematic view of a water outlet device of the utility model with split ribs arranged at the water outlet end of the extrusion section;

[0034] Figure 14 It isFigure 13 A-A direction sectional view;

[0035] Figure 15 A schematic view of the water outlet device of the utility model with another number of shunt ribs;

[0036] Figure 16 For Figure 15 B-B direction sectional view;

[0037] Figure 17 A schematic view of the water outlet device of the utility model with another number of shunt ribs;

[0038] Figure 18 For Figure 17 C-C direction sectional view;

[0039] Figure 19 A schematic view of the water outlet device of the utility model with another number of shunt ribs;

[0040] Figure 20 For Figure 19 A-A direction sectional view;

[0041] Figure 21 A schematic view of the water outlet device of the utility model with another number of shunt ribs;

[0042] Figure 22 For Figure 21 B-B direction sectional view;

[0043] Figure 23 For Figure 3 A-A direction sectional view;

[0044] In the figure, 10, expansion section;101, first expansion section;102, second expansion section;20, contraction section;30, water outlet section;40, water inlet section;50, extrusion section;601, guide rib;602, spin rib;70, shunt rib;80, water outlet cover;901, first groove section;902, second groove section;100, positioning groove;110, limiting portion;120, water inlet cover;130, convex portion;1301, guide surface;1302, abutment portion;140, sealing ring;150, water inlet;160, water outlet. DETAILED DESCRIPTION

[0045] The utility model is specifically explained below. Figures 1-23 The utility model is specifically explained below.

[0046] The water outlet device is provided with a water inlet 150, a water outlet 160 and a water outlet flow channel connecting the water inlet 150 and the water outlet 160, the water outlet flow channel is provided with an expansion section 10, a contraction section 20 and a water outlet section 30 connected in sequence along the water outlet direction, the water passing section area of the expansion section 10 increases along the water outlet direction, the water passing section area of the contraction section 20 decreases along the water outlet direction, and the water passing section area of the water inlet end of the contraction section 20 is not greater than the water passing section area of the water outlet end of the expansion section 10, and the water passing section area of the water outlet section 30 is greater than the water passing section area of the water outlet end of the contraction section 20.

[0047] In use, the water flow sequentially flows through the expansion section 10, the contraction section 20 and the water outlet section 30, so that the flow rate of the water flow presents a change trend of slowing down-accelerating-slowing down, air in the water is reduced, the content of micro-bubbles or super-micro-bubbles in the water is increased, the instantaneous huge pressure and ultrasonic vibration generated when the bubbles burst are utilized to quickly strip off dirt, the cleaning force of the water flow on exposed workpieces and ceramic structures is improved, and the water saving, time saving and labor saving advantages are simultaneously achieved, and then the frequency of manual washing is reduced, so as to improve the user experience.

[0048] In the embodiment, the expansion section 10 includes a first expansion section 101 and a second expansion section 102 arranged in sequence along the water outlet direction, the water passing section area of the first expansion section 101 is smaller than the water passing section area of the second expansion section 102, so that the water flow is expanded twice during the flow process, the flow rate of the water flow is reduced twice, the dispersion and disorder degree of the water flow is increased, and the change trend of the flow state of the water flow is increased.

[0049] In the embodiment, as shown in Figure 4 the first expansion section 101 and the water inlet section 40, the ratio between the radial dimension B of the first expansion section 101 and the radial dimension A of the water inlet section 40 constitutes a first aperture ratio, and the ratio between the radial dimension C of the second expansion section 102 and the radial dimension B of the first expansion section 101 constitutes a second aperture ratio. The first aperture ratio B / A and the second aperture ratio C / B determine the overall slowing down level of the water flow after entering the expansion section 10, in general, the greater the ratio, the slower the speed, the more violent the change of the flow state of the water flow in the rear end extrusion section 50, and the higher the bubble concentration generated, the ratio of the first aperture ratio B / A is 1.2-2, and the ratio of the second aperture ratio C / B is 1.2-2.

[0050] In the embodiment, the ratio between the radial dimension A of the water inlet section 40 and the radial dimension E of the water outlet section 30 constitutes a third aperture ratio, and in use, considering the flow matching problem, the radial dimension A of the water inlet section 40 and the radial dimension E of the water outlet section 30 should not differ too much, so the ratio of the third aperture ratio A / E is 0.8-1.2. Further, in order to improve the flow in the water inlet section 40, the radial dimension A of the water inlet section 40 should not be less than 2mm.

[0051] In this embodiment, the wall surface of the contraction section 20 is arc-shaped, reducing the energy loss of the water flow from the second expansion section 102 to the extrusion section 50. The wall surface of the contraction section 20 is provided with a plurality of guide ribs, which serve to increase the flow speed and rotational speed of the water flow, thereby increasing the cutting and extruding effect of the extrusion section 50 on the water flow. To ensure the guide effect, each guide rib is arranged uniformly in the circumferential direction on the wall surface of the gradually contracting section 20. The guide ribs include guide ribs 601 for increasing the flow speed of the water flow and rotational speed ribs 602 for increasing the rotational speed of the water flow, Figure 5 different numbers of guide ribs 601 are shown, Figure 6 different numbers of rotational speed ribs 602 are shown.

[0052] In this embodiment, the extrusion section 50 is provided at the water outlet end of the contraction section 20. The axial dimension L of the extrusion section 50 affects the size of the water flow and the density of the ultra-micro bubbles generated. The larger the axial dimension L of the extrusion section 50, the more stable the water flow becomes, and the less conducive to the generation of ultra-micro bubbles. However, in order to reduce the overall device flow resistance and ensure that the water outlet flow is not excessively reduced compared to the water inlet flow, the axial dimension L of the extrusion section 50 is still maintained at a certain length. Therefore, the ratio of the radial dimension A of the water inlet section 40 to the axial dimension L of the extrusion section 50 is 0.5-1.2.

[0053] In this embodiment, a plurality of flow dividing ribs 70 are provided between the extrusion section 50 and the water outlet section 30. Each flow dividing rib 70 divides the channel in the extrusion section 50 into a plurality of flow dividing channels. The more the number of flow dividing ribs 70, the more obvious the cutting effect on the water flow, and the better the bubble generation effect. However, the number of flow dividing ribs 70 is limited by the radial dimension D of the water outlet end.

[0054] In this embodiment, the flow state changes most dramatically in the contraction section 20 in the expansion-contraction-expansion, i.e., the water flow in the extrusion section 50 to the water outlet section 30 can produce the best ultra-micro bubble generation effect. Therefore, the flow dividing ribs 70 are preferably arranged at the water outlet end of the extrusion section 50, such as Figure 7 different numbers of flow dividing ribs 70 are shown. In actual engineering, when the requirement for the concentration and effect of ultra-micro bubbles is not very high, considering the simplicity of the structure and the difficulty of injection molding, the flow dividing ribs 70 can also be moved to other positions where the water flow state changes dramatically, which can also produce a certain ultra-micro bubble generation effect, such as Figure 8 different numbers of flow dividing ribs 70 are shown.

[0055] In the embodiment, the water outlet cover 80 and the water inlet cover 120 sealingly connected to the water outlet cover 80 are included, the expansion section 10 is arranged on the water inlet cover 120, and the contraction section 20 and the water outlet section 30 are arranged on the water outlet cover 80. One of the water outlet cover 80 and the water inlet cover 120 is provided with a groove, and the other is provided with a protrusion 130. The water outlet cover 80 and the water inlet cover 120 are connected to each other through the clamping fit between the groove and the protrusion 130, and the groove is provided with a limiting portion 110 for preventing the protrusion 130 from being separated from the groove.

[0056] In the embodiment, the water inlet cover 120 is provided with a sealing groove, a sealing ring 140 is arranged in the sealing groove, and the sealing ring 140 is sealingly matched with the water outlet cover 80. The protrusion 130 is arranged on the opposite sides of the water inlet cover 120, and the groove is arranged on the opposite sides of the water outlet cover 80. The groove includes a first groove section 901, one end of the first groove section 901 is provided with an opening for the protrusion 130 to enter, the opening is provided with a positioning groove 100 matched with the protrusion 130, so that the protrusion 130 is quickly arranged at the opening of the first groove section 901, the other end of the first groove section 901 is provided with a second groove section 902 communicated with the first groove section 901, and the width of the first groove section 901 is smaller than the width of the second groove section 902, so that the limiting portion 110 is formed at the section difference between the first groove section 901 and the second groove section 902. Further, the protrusion 130 is provided with a guide surface 1301 on the side of the opening of the first groove section 901, so as to facilitate the protrusion 130 to enter the first groove section 901, and the protrusion 130 is provided with an abutting portion 1302 on the side away from the opening of the first groove section 901, which is used for abutting against the limiting portion 110 to prevent the water inlet cover 120 from being separated.

[0057] During installation, the protrusion 130 is located at the opening, the water inlet cover 120 and / or the water outlet cover 80 are rotated, the protrusion 130 enters the first groove section 901, at this time, the protrusion 130 and the first groove section 901 have a slight interference, the rotation is continued, the protrusion 130 enters the second groove section 902, and the installation is completed, as shown in FIG. 4. Figure 3 When the protrusion 130 moves from the second groove section 902 to the first groove section 901, the abutting portion 1302 abuts against the limiting portion 110, so as to prevent the protrusion 130 from entering the first groove section 901 and moving towards the opening, and the anti-separation function between the water inlet cover 120 and the water outlet cover 80 is realized.

[0058] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit and essence of the utility model shall be covered within the protection scope of the utility model.

Claims

1. A water outlet device, provided with a water inlet, a water outlet, and a water outlet flow channel connecting between the water inlet and the water outlet, characterized in that, The water outlet channel is provided with a diverging section, a converging section and a water outlet section in sequence along the water outlet direction, the water passing cross-sectional area of the diverging section increases along the water outlet direction, the water passing cross-sectional area of the converging section decreases along the water outlet direction, the water passing cross-sectional area of the converging section at the water inlet end is not greater than the water passing cross-sectional area of the diverging section at the water outlet end, and the water passing cross-sectional area of the water outlet section is greater than the water passing cross-sectional area of the converging section at the water outlet end.

2. A water outlet device as claimed in claim 1, characterized in that The diverging section comprises a first diverging section and a second diverging section arranged in sequence along the water outlet direction, and the water passing cross-sectional area of the first diverging section is smaller than the water passing cross-sectional area of the second diverging section.

3. A water outlet device as claimed in claim 2, characterized in that The water inlet section is further arranged in communication with the first diverging section, the ratio between the radial dimension of the first diverging section and the radial dimension of the water inlet section is 1.2-2, and the ratio between the radial dimension of the second diverging section and the radial dimension of the first diverging section is 1.2-2.

4. A water outlet device as claimed in claim 3, characterized in that The ratio between the radial dimension of the water inlet section and the radial dimension of the water outlet section is 0.8-1.

2.

5. A water outlet device as claimed in claim 3, wherein The wall surface of the converging section is provided with a plurality of flow guide ribs for increasing the flow speed or rotation speed of water flow.

6. A water outlet device as claimed in claim 5, characterised in that The water outlet end of the converging section is provided with an extrusion section, and the ratio between the radial dimension of the water inlet section and the axial dimension of the extrusion section is 0.5-1.

2.

7. A water outlet device as claimed in claim 6, characterised in that A plurality of flow distribution ribs are arranged between the extrusion section and the water outlet section, and each flow distribution rib divides the channel in the extrusion section into a plurality of flow distribution channels.

8. A water outlet device according to any one of claims 1 to 7, wherein The water outlet cover and the water inlet cover are connected to each other by the clamping fit between the recess and the protrusion, and the recess is provided with a limiting portion for preventing the protrusion from being separated from the recess.

9. A water outlet device as claimed in claim 8, characterised in that The recess comprises a first groove section, one end of the first groove section is provided with an opening for the protrusion to enter, the other end of the first groove section is provided with a second groove section in communication with the first groove section, the width of the first groove section is smaller than the width of the second groove section, and the limiting portion is formed at the step between the first groove section and the second groove section.

10. A water outlet device as claimed in claim 9, characterised in that ​

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