Water outlet device and shower head with same

Abstract

The utility model discloses a water outlet device and a shower head with the water outlet device. The water outlet device is provided with a water inlet flow channel, an air suction cavity and an oscillation flow channel. The water inlet runner is provided with a water inlet section and a contraction section communicated with one end of the water inlet section, the end, away from the water inlet section, of the contraction section is communicated with the air suction cavity, water in the water inlet section flows into the air suction cavity in an accelerated mode after entering the contraction section so that negative pressure can be generated in the air suction cavity, and air inlet holes are formed in the cavity wall of the air suction cavity in a penetrating mode; the oscillation flow channel is communicated with the air suction cavity, an oscillation water outlet is formed in the wall face of the oscillation flow channel in a penetrating mode, a blocking part is arranged in the oscillation flow channel, and the blocking part is used for blocking part of water flowing to the oscillation water outlet in the oscillation flow channel and enabling the part of water to flow back towards the air suction cavity. According to the water outlet device, intermittent water outlet can be achieved, no complex mechanical structure exists, and the structure is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of shower products, in particular to a water outlet device and a shower head with the water outlet device. Background Art

[0002] Shower heads are a common shower product at present. In order to improve the user experience when showering, the water outlet device of some shower heads is set to an intermittent water outlet structure. When users use this shower head to shower, their bodies will feel an intermittent impact massage effect.

[0003] In the related art, in order to achieve intermittent water discharge from a shower head, a mechanical structure such as rotating blades is usually added to the water outlet device thereof, which results in a complex structure and high maintenance cost. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems in the prior art. To this end, the utility model proposes a water outlet device with a simple structure.

[0005] The utility model also provides a shower head with the above-mentioned water outlet device.

[0006] According to the water outlet device of the first aspect embodiment of the present utility model, there is a water inlet channel, an air suction chamber and an oscillation channel; the water inlet channel has a water inlet section and a contraction section connected to one end of the water inlet section, the contraction section is connected to the air suction chamber at one end away from the water inlet section, and the water in the water inlet section is accelerated to flow into the air suction chamber after entering the contraction section, so that the air suction chamber generates a negative pressure, wherein the cavity wall of the air suction chamber is penetrated by an air inlet hole; the oscillation channel is connected to the air suction chamber, the wall surface of the oscillation channel is penetrated by an oscillation water outlet, and a blocking part is provided in the oscillation channel, the blocking part is used to hinder part of the water in the oscillation channel flowing toward the oscillation water outlet and make this part of the water flow back toward the air suction chamber.

[0007] The water outlet device according to the embodiment of the utility model has at least the following beneficial effects:

[0008] In the water outlet device of the present invention, when water enters the air intake chamber through the water inlet channel, a Venturi effect will be generated, causing the air intake chamber to generate a negative pressure, and the outside air can enter the air intake chamber through the air inlet hole; the water entering the air intake chamber through the water inlet channel will flow into the oscillating channel again, and the air inhaled in the air intake chamber will also flow into the oscillating channel, wherein, due to the instability of the air, the water will oscillate in the oscillating channel under the action of the air; as the water continues to flow in the oscillating channel, part of the water will be discharged directly through the oscillating water outlet, and part of the water will be blocked by the blocking part and then flow back toward the air intake chamber and collide and mix with the water in the oscillating channel. At this time, the water output of the oscillating water outlet is instantly reduced, and the refluxed water also affects the intake of air. Resistance is generated, and the air intake of the water outlet device gradually decreases. At the same time, the pressure in the area near the oscillating water outlet also gradually decreases. When the pressure in the area near the oscillating water outlet decreases to a certain value, the water in the oscillating flow channel will flow to the oscillating water outlet under the pressure of the water and air in the suction chamber. Then, the air intake of the water outlet device will gradually increase. At this time, the water output of the oscillating water outlet will also increase. At the same time, a part of the water will flow back through the blocking part. This is repeated, and the air intake of the water outlet device changes repeatedly between large and small. The pressure in the area near the oscillating water outlet also changes repeatedly between large and small. The water output of the oscillating water outlet also changes repeatedly between large and small. In this way, the water outlet device can achieve intermittent water output and achieve the effect of pulsed water output. The water outlet device of the utility model can achieve intermittent water output without a complex mechanical structure and a simple structure.

[0009] According to some embodiments of the present invention, in the outflow direction of part of the water in the oscillating flow channel, the blocking portion is located upstream of the oscillating water outlet.

[0010] According to some embodiments of the present invention, the number of the oscillating water outlets and the number of the blocking portions are both multiple, and the multiple blocking portions correspond one-to-one to the multiple oscillating water outlets;

[0011] Each of the blocking parts is used to hinder a portion of water in the oscillating flow channel that flows toward the oscillating water outlet corresponding to the blocking part, and to make the portion of water flow back toward the suction cavity.

[0012] According to some embodiments of the present invention, the oscillating flow channel includes an oscillating section and an oscillating cavity, one end of the oscillating section is connected to the suction cavity, and the oscillating cavity is connected to the other end of the oscillating section;

[0013] Among them, the oscillation water outlet is arranged on the cavity wall of the oscillation cavity, and the blocking part is arranged in the oscillation cavity. The blocking part is used to block part of the water in the oscillation cavity flowing to the oscillation water outlet and make this part of the water flow back to the oscillation section.

[0014] According to some embodiments of the present invention, the oscillation section is connected to the oscillation cavity via a communication port;

[0015] The oscillation chamber includes a first chamber wall, a second chamber wall arranged opposite to the first chamber wall, and a third chamber wall connected to the outer edge of the first chamber wall and the outer edge of the second chamber wall. The communicating port passes through the first chamber wall, the oscillation water outlet is arranged in the second chamber wall or the third chamber wall, and the blocking part is arranged between the first chamber wall and the second chamber wall.

[0016] According to some embodiments of the present invention, the shock water outlet is provided on the second cavity wall;

[0017] A plane perpendicular to the depth direction of the communication port is defined as a reference plane, and a projection of the blocking portion on the reference plane is located between a projection of the communication port on the reference plane and a projection of the oscillating water outlet on the reference plane.

[0018] According to some embodiments of the present invention, the oscillating water outlet is provided on the third cavity wall, the blocking portion is located on a side of the oscillating water outlet close to the axis of the communicating port, and the blocking portion is arranged opposite to the oscillating water outlet.

[0019] According to some embodiments of the present invention, in the circumferential direction with the axis of the connecting port as the axis, the arc between the two points of the blocking portion with the largest distance is greater than or equal to the arc between the two points of the connecting port with the largest distance.

[0020] According to some embodiments of the present invention, the water outlet device is further provided with a rectifying cavity, the rectifying cavity is communicated with the oscillating water outlet, and a water outlet is provided on the cavity wall of the rectifying cavity.

[0021] According to some embodiments of the present invention, the oscillating water outlet includes a first oscillating water outlet and a second oscillating water outlet;

[0022] The water outlet device is further provided with a first rectifying cavity connected to the first oscillating water outlet, and a second rectifying cavity connected to the second oscillating water outlet, the second rectifying cavity surrounding the first rectifying cavity, a cavity wall of the first rectifying cavity being penetrated by a plurality of first water outlets, and a cavity wall of the second rectifying cavity being penetrated by a plurality of second water outlets;

[0023] The water outlet device includes a switching component, which is provided with a blocking portion and the blocking portion, and the switching component has a first position and a second position; when the switching component is in the first position, the blocking portion is used to hinder part of the water in the oscillating flow channel flowing to the first oscillating water outlet, and make the part of the water flow back toward the suction chamber, and the blocking portion blocks the second oscillating water outlet; when the switching component is in the second position, the blocking portion is used to hinder part of the water in the oscillating flow channel flowing to the second oscillating water outlet, and make the part of the water flow back toward the suction chamber, and the blocking portion blocks the first oscillating water outlet.

[0024] According to some embodiments of the present invention, one end of the oscillating flow channel is connected to the suction cavity, wherein the end of the oscillating flow channel connected to the suction cavity is arranged opposite to the end of the contraction section away from the water inlet section.

[0025] According to some embodiments of the present invention, the water outlet device further includes a blocking member, which is configured to block the air inlet and also to open the air inlet.

[0026] The shower head according to the second embodiment of the present invention includes the water outlet device of the above embodiment.

[0027] The shower head according to the embodiment of the present invention has at least the following beneficial effects:

[0028] In the shower head of the present invention, when water enters the air intake chamber through the water inlet channel, a Venturi effect is generated, causing the air intake chamber to generate a negative pressure, and the outside air can enter the air intake chamber through the air inlet hole; the water entering the air intake chamber through the water inlet channel will flow into the oscillating channel again, and the air inhaled in the air intake chamber will also flow into the oscillating channel. Due to the instability of the air, the water will oscillate in the oscillating channel under the action of the air; as the water continues to flow in the oscillating channel, part of the water will be discharged directly through the oscillating water outlet, and part of the water will be blocked by the blocking part and flow back toward the air intake chamber to collide and mix with the water in the oscillating channel. At this time, the water output of the oscillating water outlet is instantly reduced, and the refluxed water also affects the intake of air. Resistance is generated, and the air intake of the water outlet device gradually decreases. At the same time, the pressure in the area near the oscillating water outlet also gradually decreases. When the pressure in the area near the oscillating water outlet decreases to a certain value, the water in the oscillating flow channel will flow to the oscillating water outlet under the pressure of the water and air in the suction chamber. Then, the air intake of the water outlet device will gradually increase. At this time, the water output of the oscillating water outlet will also increase. At the same time, a part of the water will flow back through the blocking part. This is repeated, and the air intake of the water outlet device changes repeatedly between large and small. The pressure in the area near the oscillating water outlet also changes repeatedly between large and small. The water output of the oscillating water outlet also changes repeatedly between large and small. In this way, the water outlet device can achieve intermittent water output and achieve the effect of pulsed water output. The water outlet device of the utility model can achieve intermittent water output without a complex mechanical structure and a simple structure.

[0029] 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

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0031] Figure 1 This is a schematic structural diagram of the water outlet device of Example 1 of the present utility model;

[0032] Figure 2 This is a schematic diagram of the cross-sectional structure of the water outlet device of the first embodiment of the present utility model. Figure 1 ;

[0033] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0034] Figure 4 This is a schematic diagram of the cross-sectional structure of the water outlet device of the first embodiment of the present utility model. Figure 2 ;

[0035] Figure 5 This is a schematic diagram of the cross-sectional structure of the water outlet device of the first embodiment of the present utility model. Figure 3 ;

[0036] Figure 6 This is a schematic diagram of the cross-sectional structure of the water outlet device of the first embodiment of the present invention. Figure 4 ;

[0037] Figure 7 This is a schematic structural diagram of the water outlet device of the second embodiment of the present utility model;

[0038] Figure 8 This is a schematic cross-sectional view of the water outlet device according to the second embodiment of the present invention;

[0039] Figure 9 for Figure 8 A partial enlarged view of the shown figure;

[0040] Figure 10 This is a schematic structural diagram of the water outlet device of Example 3 of the present utility model;

[0041] Figure 11 This is a schematic cross-sectional view of the water outlet device according to the third embodiment of the present invention;

[0042] Figure 12 for Figure 11 A partial enlarged view of the shown figure;

[0043] Figure 13 This is a schematic diagram of the explosion structure of the water outlet device of Example 3 of the present utility model;

[0044] Figure 14 This is a partial structural diagram of the third embodiment of the present utility model;

[0045] Figure 15 for Figure 14 A schematic cross-sectional view of the structure of the figure shown;

[0046] Figure 16 This is a structural diagram of the switching component of the third embodiment of the present utility model.

[0047] Figure Number:

[0048] 100, water outlet device; 101, switching member; 1011, blocking portion; 1012, operating position;

[0049] 110. Water inlet channel; 111. Water inlet section; 112. Contraction section; 113. Throat;

[0050] 120, air inlet; 121, air inlet;

[0051] 130, oscillating flow channel; 131, oscillating section; 132, oscillating cavity; 1321, first cavity wall; 1322, second cavity wall; 1323, third cavity wall; 133, communicating port;

[0052] 140, shock water outlet; 141, first shock water outlet; 142, second shock water outlet;

[0053] 150, blocking part;

[0054] 160, rectifier cavity; 161, first rectifier cavity; 162, second rectifier cavity; 163, rectifier column;

[0055] 170, water outlet; 171, first water outlet; 172, second water outlet;

[0056] 180. Avoidance hole. DETAILED DESCRIPTION

[0057] The following describes embodiments of the present invention in detail. Examples of the embodiments 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 only to explain the present invention and are not to be construed as limiting the present invention.

[0058] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0059] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0060] Example 1

[0061] like Figure 1 、 Figure 2As shown, a water outlet device 100 provided in the first embodiment of the present invention is provided with a water inlet channel 110 , an air suction cavity 120 and an oscillation channel 130 .

[0062] like Figure 2 As shown, the water inlet channel 110 includes a water inlet section 111 and a contraction section 112 communicating with one end of the water inlet section 111 , and an end of the contraction section 112 away from the water inlet section 111 is communicated with the suction cavity 120 .

[0063] The water inlet section 111 can be a straight pipe section with a constant diameter at all locations, and the contraction section 112 is a variable diameter pipe section with a diameter gradually decreasing from the end close to the water inlet section 111 to the end away from the water inlet section 111, and the contraction section 112 is coaxially arranged with the water inlet section 111. When water enters the water inlet channel 110, a Venturi effect occurs, wherein the Venturi effect refers to the phenomenon that when a fluid passes through a gradually shrinking channel, the flow velocity increases and the fluid pressure decreases; specifically, the water in the water inlet section 111 is accelerated after entering the contraction section 112. In addition, after being accelerated after the contraction section 112, the water flows into the suction chamber 120, so that the suction chamber 120 generates a negative pressure, wherein negative pressure refers to an air pressure state lower than normal pressure (i.e., one atmospheric pressure).

[0064] It should be noted that the wall of the air intake chamber 120 is penetrated by an air inlet hole 121. In other words, one end of the air inlet hole 121 penetrates the wall of the air intake chamber 120, and the other end penetrates the outer wall of the water outlet device 100. The air inlet hole 121 connects the outside world with the air intake chamber 120. When water enters the air intake chamber 120 through the water inlet channel 110, the Venturi effect creates a negative pressure in the air intake chamber 120, allowing air from the outside to enter the air intake chamber 120 through the air inlet hole 121.

[0065] Combine Figure 2 and Figure 3 The oscillating flow channel 130 is connected to the air intake chamber 120. An oscillating water outlet 140 is provided through the wall of the oscillating flow channel 130. A blocking portion 150 is provided in the oscillating flow channel 130. The blocking portion 150 is used to block the portion of water in the oscillating flow channel 130 that flows toward the oscillating water outlet 140 and to cause the water to flow back toward the air intake chamber 120. It should be noted that the fact that the water flows back toward the air intake chamber 120 after being blocked by the blocking portion 150 does not necessarily mean that the water will flow back into the air intake chamber 120.

[0066] Combine Figure 4 and Figure 5, it can be understood that the water entering the air suction chamber 120 through the water inlet channel 110 will flow into the oscillating channel 130 again, and the air inhaled in the air suction chamber 120 will also flow into the oscillating channel 130, wherein, due to the instability of the air, the water will oscillate in the oscillating channel 130 under the action of the air; as the water continues to flow in the oscillating channel 130, part of the water will be directly discharged through the oscillating water outlet 140, and part of the water will be blocked by the blocking portion 150 and flow back toward the air suction chamber 120 and collide and mix with the water in the oscillating channel 130. At this time, the water output of the oscillating water outlet 140 is instantly reduced, and the backflowing water also creates resistance to the intake of air. The air intake volume of the water outlet device 100 gradually becomes smaller. At the same time, the oscillating water outlet 14 0 also gradually decreases; when the pressure in the area near the oscillating water outlet 140 decreases to a certain value, the water in the oscillating flow channel 130 will flow to the oscillating water outlet 140 under the pressure of the water and air in the suction chamber 120; then, the air intake of the water outlet device 100 will gradually increase, and at this time, the water output of the oscillating water outlet 140 will also increase. At the same time, a part of the water will flow back through the blocking portion 150; this is repeated, and the air intake of the water outlet device 100 changes repeatedly between large and small, and the pressure in the area near the oscillating water outlet 140 also changes repeatedly between large and small, and the water output of the oscillating water outlet 140 also changes repeatedly between large and small. In this way, the water outlet device 100 can achieve intermittent water outlet and achieve the effect of pulsed water outlet. The water outlet device 100 of the present invention can achieve intermittent water outlet without a complex mechanical structure and a simple structure.

[0067] like Figure 3 As shown, it should be noted that, in the outflow direction of part of the water in the oscillating flow channel 130, the blocking portion 150 is located upstream of the oscillating water outlet 140. In this way, the blocking portion 150 will block this part of the water and make it flow back toward the suction chamber 120.

[0068] Combine Figure 3 and Figure 5 Specifically, in this embodiment, there are multiple oscillating water outlets 140 and multiple blocking portions 150, each corresponding one to the multiple oscillating water outlets 140. Each blocking portion 150 is used to block the portion of water in the oscillating flow channel 130 that flows toward the oscillating water outlet 140 corresponding to the blocking portion 150, and to direct the water back toward the suction chamber 120. In this way, the water outlet device 100 can discharge water in a pulsed manner through the multiple oscillating water outlets 140, thereby increasing the water output.

[0069] Combine Figure 2 and Figure 3Furthermore, the oscillation flow channel 130 includes an oscillation section 131 and an oscillation chamber 132, one end of the oscillation section 131 is connected to the air suction chamber 120, and the oscillation chamber 132 is connected to the other end of the oscillation section 131; wherein, the oscillation water outlet 140 is provided on the cavity wall of the oscillation chamber 132, and the blocking portion 150 is provided in the oscillation chamber 132, and the blocking portion 150 is used to block part of the water in the oscillation chamber 132 flowing toward the oscillation water outlet 140 and make this part of the water flow back to the oscillation section 131.

[0070] Combine Figure 4 and Figure 5 , it can be understood that, when water enters the air suction chamber 120 through the water inlet channel 110, the air suction chamber 120 will generate negative pressure due to the Venturi effect, and the outside air can enter the air suction chamber 120 through the air inlet hole 121; the water entering the air suction chamber 120 through the water inlet channel 110 will flow into the oscillation section 131 again; a part of the water in the oscillation chamber 132 will be directly discharged through the oscillation water outlet 140, and a part of the water will be blocked by the blocking portion 150 and will flow back to the oscillation section 131 and collide and mix with the water in the oscillation section 131. At this time, the water output of the oscillation water outlet 140 is instantly reduced, and the backflowing water also creates resistance to the inhalation of air, and the air intake of the water outlet device 100 gradually becomes smaller. At the same time, the pressure in the oscillation chamber 132 also gradually decreases; when the pressure in the oscillation chamber 132 is reduced to a certain value, the water in the oscillation section 131 will flow to the oscillation chamber 132 under the pressure of the water and air in the suction chamber 120; then, the air intake of the water outlet device 100 will gradually increase, and at this time, the water output of the oscillation water outlet 140 will also increase, and at the same time, a part of the water will flow back through the blocking part 150; this is repeated, and the air intake of the water outlet device 100 changes repeatedly between large and small, the pressure in the oscillation chamber 132 also changes repeatedly between large and small, and the water output of the oscillation water outlet 140 also changes repeatedly between large and small. In this way, the water outlet device 100 can achieve intermittent water discharge and achieve the effect of pulsed water discharge.

[0071] like Figure 3 As shown, further, the oscillation section 131 is connected to the oscillation chamber 132 through a connecting port 133; the oscillation chamber 132 includes a first chamber wall 1321, a second chamber wall 1322 arranged opposite to the first chamber wall 1321, and a third chamber wall 1323 connected to the outer edge of the first chamber wall 1321 and the outer edge of the second chamber wall 1322, the connecting port 133 passes through the first chamber wall 1321, the blocking portion 150 is arranged between the first chamber wall 1321 and the second chamber wall 1322, and the oscillation water outlet 140 is arranged at the second chamber wall 1322.

[0072] It can be understood that when the water in the oscillation section 131 enters the oscillation chamber 132 through the connecting port 133, it will impact the second chamber wall 1322 and then diffuse to the surroundings. Part of the water diffused to the surroundings will be blocked by the blocking part 150 and will flow back, and part of the water will be discharged through the oscillation water outlet 140.

[0073] Specifically, a plane perpendicular to the depth direction of the communication opening 133 is defined as a reference plane, and the projection of the blocking portion 150 on the reference plane is located between the projection of the communication opening 133 on the reference plane and the projection of the oscillating water outlet 140 on the reference plane. In this way, the blocking portion 150 can block the portion of water in the oscillation chamber 132 that flows directly toward the oscillating water outlet 140 and can also cause this portion of water to flow back.

[0074] Combine Figure 3 and Figure 5 Furthermore, along a circle circumferentially centered around the axis of the communication opening 133, the arc angle between the two points on the blocking portion 150 with the greatest distance between them is α, and the arc angle between the two points on the communication opening 133 with the greatest distance between them is β, satisfying the following relationship: α ≥ β. In this way, the blocking portion 150 blocks water flowing directly from the oscillation chamber 132 toward the oscillating water outlet 140, thereby increasing the amount of backflow, ensuring the pulsating effect, and reducing water leakage in the gap between two adjacent pulsed water sprays.

[0075] Furthermore, the plurality of oscillating water outlets 140 are disposed around the axis of the communication port 133 , and the plurality of blocking portions 150 are disposed one by one correspondingly on one side of the plurality of oscillating water outlets 140 close to the axis of the communication port 133 .

[0076] It is understood that water entering the oscillation chamber 132 through the communication port 133 will impact the second chamber wall 1322 and then diffuse in all directions. By arranging the multiple oscillation water outlets 140 around the axis of the communication port 133, the amount of water discharged from each oscillation water outlet 140 will be more uniform. In addition, the multiple blocking portions 150 are arranged one-to-one on the side of the multiple oscillation water outlets 140 near the axis of the communication port 133, so that the water discharged from each oscillation water outlet 140 can be intermittent.

[0077] like Figure 3 、 Figure 6 As shown, it should be noted that in this embodiment, the water outlet device 100 is further provided with a rectifying cavity 160, which is in communication with the oscillating water outlet 140, and a water outlet 170 is provided on the cavity wall of the rectifying cavity 160. Water can intermittently enter the rectifying cavity 160 through the oscillating water outlet 140, and then be intermittently sprayed out through the water outlet 170 after being rectified.

[0078] Specifically, a plurality of rectifying columns 163 arranged in parallel and at intervals are provided inside the rectifying cavity 160 . The rectifying columns 163 can rectify the water, so that the water sprayed out through the water outlet 170 is more stable.

[0079] The number of the water outlets 170 may also be set to be multiple, so that the water outlet device 100 can discharge water in a pulsed manner through the multiple water outlets 170 to increase the water output.

[0080] Furthermore, the rectifying cavity 160 and the oscillating cavity 132 are arranged along the depth direction of the oscillating water outlet 140 , and a plurality of water outlets 170 are provided on a side of the rectifying cavity 160 away from the oscillating cavity 132 .

[0081] It should be noted that the width of the rectifying cavity 160 also affects the pulse frequency. The smaller the width of the rectifying cavity 160, the faster the water outlet pulse frequency of the water outlet device 100; increasing the width of the rectifying cavity 160, the water outlet pulse frequency of the water outlet device 100 slows down, and the pulse is more stable.

[0082] like Figure 2 As shown, one end of the oscillating flow channel 130 is connected to the air intake chamber 120, and the end of the oscillating flow channel 130 connected to the air intake chamber 120 is arranged opposite to the end of the contraction section 112 away from the water inlet section 111. That is, the end of the oscillating section 131 away from the oscillating chamber 132 is connected to the air intake chamber 120 and is arranged opposite to the end of the contraction section 112 away from the water inlet section 111. In this way, after the water in the water inlet channel 110 is accelerated by the contraction section 112, it will be directly injected into the oscillating flow channel 130 after passing through the air intake chamber 120, reducing the energy loss caused by collision and the risk of reduced air intake due to the water flow colliding with the wall of the air intake chamber 120 and slowing down.

[0083] like Figure 2 As shown, it should be noted that a throat 113 is further provided at one end of the contraction section 112 away from the water inlet section 111 , and the diameter of the throat 113 is the same as the diameter of the end of the contraction section 112 away from the water inlet section 111 .

[0084] Specifically in this embodiment, the diameter of the throat 113 is 2.5 mm, the diameter of the air inlet 121 is 2 mm, and the diameter of the water outlet 170 is 2.2 mm; wherein, the number of the water outlet 170, the oscillating water outlet 140 and the blocking portion 150 is six, and the water outlet 170, the oscillating water outlet 140 and the blocking portion 150 correspond one to one, wherein the inner diameter of the block is 21 mm, the outer diameter is 24 mm, the angle α of the block is between 15° and 27°, and the angle β of the oscillating water outlet 140 is not greater than the angle α of the blocking portion 150; in addition, the cross-sectional area of the oscillation section 131 is larger than the cross-sectional area of the throat 113, and the width of the rectification cavity 160 is 2 mm to 10 mm.

[0085] It is understood that the water outlet device 100 further includes a blocking member (not shown) configured to both block the air inlet 121 and open the air inlet 121. The blocking member can be a plug or a valve. When the blocking member does not block the air inlet 121, the water outlet device 100 performs a pulsed water spray. When the blocking member blocks the air inlet 121, the water outlet device 100 continues to discharge water normally.

[0086] Example 2

[0087] The difference between the second embodiment and the first embodiment is that:

[0088] (1) Figures 7 to 9 As shown, in the second embodiment, the rectifying chamber 160 is annular and coaxial with the oscillating chamber 132. The oscillating water outlet 140 is provided on the third chamber wall 1323. The blocking portion 150 is disposed opposite the oscillating water outlet 140. The rectifying chamber 160 is provided with a plurality of water outlets 170, which cooperate to form an annular structure. In this way, a water outlet effect over a larger area can be achieved.

[0089] (2) Figure 8 As shown, in the second embodiment, the shape and volume of the suction cavity 120 change. When the water in the water inlet channel 110 flows into the suction cavity 120 at an accelerated speed, the suction volume of the suction cavity 120 will also change due to the changes in the shape and volume of the suction cavity 120.

[0090] (3) Figure 8 As shown, in embodiment 2, the ratio of the cross-sectional area of the end of the contraction section 112 away from the water inlet section 111 to the cross-sectional area of the oscillation section 131 changes. When the water in the water inlet channel 110 flows into the suction chamber 120 at an accelerated speed, the ratio of the cross-sectional area of the end of the contraction section 112 away from the water inlet section 111 to the cross-sectional area of the oscillation section 131 changes, which will also affect the suction volume of the suction chamber 120.

[0091] Example 3

[0092] The difference between the third embodiment and the first embodiment is that:

[0093] Combine Figure 10 、 Figure 11 、 Figure 12 and Figure 15In the third embodiment, the oscillating water outlet 140 includes a first oscillating water outlet 141 and a second oscillating water outlet 142; the rectifying chamber 160 includes a first rectifying chamber 161 in communication with the first oscillating water outlet 141 and a second rectifying chamber 162 in communication with the second oscillating water outlet 142. The second rectifying chamber 162 surrounds the first rectifying chamber 161. The wall of the first rectifying chamber 161 is provided with a plurality of first water outlets 171, and the wall of the second rectifying chamber 162 is provided with a plurality of second water outlets 172. In this embodiment, the orientation of the second water outlet 172 is the same as that of the first water outlet 171; in other embodiments, the orientation of the second water outlet 172 may be different from that of the first water outlet 171.

[0094] like Figures 13 to 16 As shown, the water outlet device 100 also has a switching member 101, and the switching member 101 is provided with a blocking portion 1011 and a blocking portion 150. The switching member 101 has a first position and a second position; when the switching member 101 is in the first position, the blocking portion 150 is used to hinder part of the water in the oscillating flow channel 130 flowing to the first oscillating water outlet 141, and make the part of the water flow back toward the suction chamber 120, and the blocking portion 1011 is used to block the second oscillating water outlet 142; when the switching member 101 is in the second position, the blocking portion 150 is used to hinder part of the water in the oscillating flow channel 130 flowing to the second oscillating water outlet 142, and make the part of the water flow back toward the suction chamber 120, and the blocking portion 1011 is used to block the first oscillating water outlet 141.

[0095] In embodiment three, the switching member 101 can be switched between the first position and the second position by operating the switching member 101, thereby realizing two different modes of water discharge; when the switching member 101 is in the first position, the blocking portion 150 is used to hinder part of the water flowing in the oscillating flow channel 130 to the first oscillating water outlet 141, and make this part of the water flow back toward the suction chamber 120, and the blocking portion 1011 blocks the second oscillating water outlet 142. At this time, water only flows out through the first water outlet 171, and the water discharge range is relatively concentrated; when the switching member 101 is in the second position, the blocking portion 150 is used to hinder part of the water flowing in the oscillating flow channel 130 to the second oscillating water outlet 142, and make this part of the water flow back toward the suction chamber 120, and the blocking portion 1011 is used to block the first oscillating water outlet 141. At this time, water can only flow out through the second water outlet 172, and the water discharge range is large.

[0096] Combine Figure 12 and Figure 14Specifically, the first oscillating water outlet 141 is opened on the second cavity wall 1322, and the second oscillating water outlet 142 is opened on the third cavity wall 1323; the first rectifying cavity 161 and the oscillating cavity 132 are arranged along the depth direction of the oscillating water outlet 140, and the first rectifying cavity 161 and the oscillating cavity 132 are connected through the first oscillating water outlet 141, and a plurality of first water outlets 171 are provided on the side of the first rectifying cavity 161 away from the oscillating cavity 132; the second rectifying cavity 162 is arranged in a ring shape and is arranged around the first rectifying cavity 161, and the second rectifying cavity 162 is provided with a plurality of second water outlets 172, and the plurality of second water outlets 172 cooperate to form a ring structure arranged around the plurality of first water outlets 171.

[0097] like Figure 13 As shown, the switching member 101 is rotatably disposed in the oscillation chamber 132 . By rotating the switching member 101 , the switching member 101 can be switched between the first position and the second position.

[0098] Combine Figure 12 、 Figure 14 and Figure 16 , a plane perpendicular to the depth direction of the connecting port 133 is defined as a reference plane. When the switching member 101 is in the first position, the projection of the blocking portion 150 on the reference plane is located between the projection of the connecting port 133 on the reference plane and the projection of the first oscillating water outlet 141 on the reference plane. The blocking portion 150 is used to hinder the water in the oscillating flow channel 130 that directly flows to the first oscillating water outlet 141, and to make this part of the water flow back toward the suction chamber 120. At this time, the blocking portion 1011 blocks the second oscillating water outlet 142.

[0099] When the switching member 101 is in the second position, the blocking portion 150 is opposite to the second oscillating water outlet 142. The blocking portion 150 is used to hinder the water in the oscillating flow channel 130 that flows directly to the second oscillating water outlet 142, and to make this part of the water flow back toward the suction chamber 120. At this time, the blocking portion 1011 blocks the first oscillating water outlet 141.

[0100] like Figure 13 As shown, further, an operating position 1012 is provided on the switching member 101, and the water outlet device 100 is provided with an avoidance hole 180 connected to the oscillation chamber 132. The operating position 1012 is passed through the avoidance hole 180 to extend from the oscillation chamber 132, so that the user can operate the switching member 101 to change its position conveniently.

[0101] The present invention further provides a shower head, comprising the water outlet device 100 of the above embodiment.

[0102] The shower head of the present invention has the above-mentioned water outlet device 100. For the water outlet device 100 of the above-mentioned embodiment, when water enters the air suction chamber 120 through the water inlet channel 110, the air suction chamber 120 will generate negative pressure due to the Venturi effect, and the outside air can enter the air suction chamber 120 through the air inlet hole 121; the water entering the air suction chamber 120 through the water inlet channel 110 will flow into the oscillation section 131 again, and then flow to the oscillation chamber 132; a part of the water in the oscillation chamber 132 will be directly discharged through the oscillation water outlet 140, and a part of the water will be blocked by the blocking portion 150 and will flow back to the oscillation section 131 and collide and mix with the water in the oscillation section 131. At this time, the water output of the oscillation water outlet 140 is instantly reduced, and the refluxed water also generates resistance to the intake of air. 0's suction volume gradually decreases, and at the same time, the pressure in the oscillation chamber 132 also gradually decreases; when the pressure in the oscillation chamber 132 is reduced to a certain value, the water in the oscillation section will flow to the oscillation water outlet 140 under the pressure of the water and air in the suction chamber 120; then, the suction volume of the water outlet device 100 will gradually increase, and at this time, the water outlet of the oscillation water outlet 140 will also increase, and at the same time, a part of the water will flow back through the blocking part 150; this is repeated, the suction volume of the water outlet device 100 changes repeatedly between large and small, the pressure in the oscillation chamber 132 also changes repeatedly between large and small, the water outlet of the oscillation water outlet 140 also changes repeatedly between large and small, and after the water flows into the rectification chamber 160 through the oscillation water outlet 140 and is rectified, it will also be intermittently discharged through the water outlet 170, achieving the effect of pulsed water outlet.

[0103] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means 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, the illustrative use of the above terms does 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.

[0104] 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: It is equipped with a water inlet channel, an air suction cavity and an oscillation channel; The water inlet channel comprises a water inlet section and a contraction section connected to one end of the water inlet section, wherein the contraction section is connected to the air suction chamber at one end away from the water inlet section, and water in the water inlet section is accelerated to flow into the air suction chamber after entering the contraction section, thereby generating a negative pressure in the air suction chamber, wherein an air inlet hole is formed through the wall of the air suction chamber; The oscillating flow channel is connected to the suction chamber, an oscillating water outlet is provided through the wall of the oscillating flow channel, and a blocking portion is provided in the oscillating flow channel, the blocking portion is used to block part of the water in the oscillating flow channel flowing toward the oscillating water outlet and make the part of the water flow back toward the suction chamber.

2. The water outlet device according to claim 1, characterized in that: In the outflow direction of part of the water in the oscillating flow channel, the blocking portion is located upstream of the oscillating water outlet.

3. The water outlet device according to claim 1, characterized in that: The number of the oscillating water outlets and the number of the blocking parts are both multiple, and the multiple blocking parts correspond one to one with the multiple oscillating water outlets; Each of the blocking parts is used to hinder a portion of water in the oscillating flow channel that flows toward the oscillating water outlet corresponding to the blocking part, and to make the portion of water flow back toward the suction cavity.

4. The water outlet device according to claim 1, characterized in that: The oscillating flow channel includes an oscillating section and an oscillating cavity, one end of the oscillating section is connected to the air suction cavity, and the oscillating cavity is connected to the other end of the oscillating section; Among them, the oscillation water outlet is arranged on the cavity wall of the oscillation cavity, and the blocking part is arranged in the oscillation cavity. The blocking part is used to block part of the water in the oscillation cavity flowing to the oscillation water outlet and make this part of the water flow back to the oscillation section.

5. The water outlet device according to claim 4, characterized in that: The oscillation section is connected to the oscillation cavity via a communication port; The oscillation chamber includes a first chamber wall, a second chamber wall arranged opposite to the first chamber wall, and a third chamber wall connected to the outer edge of the first chamber wall and the outer edge of the second chamber wall. The communicating port passes through the first chamber wall, the oscillation water outlet is arranged in the second chamber wall or the third chamber wall, and the blocking part is arranged between the first chamber wall and the second chamber wall.

6. The water outlet device according to claim 5, characterized in that: The shock water outlet is provided on the second cavity wall; A plane perpendicular to the depth direction of the communication port is defined as a reference plane, and a projection of the blocking portion on the reference plane is located between a projection of the communication port on the reference plane and a projection of the oscillating water outlet on the reference plane.

7. The water outlet device according to claim 5, characterized in that: The oscillating water outlet is provided on the third cavity wall, the blocking portion is located on a side of the oscillating water outlet close to the axis of the communicating port, and the blocking portion is arranged opposite to the oscillating water outlet.

8. The water outlet device according to claim 5, characterized in that: In the circumferential direction with the axis of the communication port as the axis, the arc between the two points of the blocking portion with the largest distance is greater than or equal to the arc between the two points of the communication port with the largest distance.

9. The water outlet device according to claim 1, characterized in that: The water outlet device is further provided with a rectifying cavity, the rectifying cavity is communicated with the oscillating water outlet, and a water outlet is provided on the cavity wall of the rectifying cavity.

10. The water outlet device according to claim 1, characterized in that: The shock water outlet includes a first shock water outlet and a second shock water outlet; The water outlet device is further provided with a first rectifying cavity connected to the first oscillating water outlet, and a second rectifying cavity connected to the second oscillating water outlet, the second rectifying cavity surrounding the first rectifying cavity, a cavity wall of the first rectifying cavity being penetrated by a plurality of first water outlets, and a cavity wall of the second rectifying cavity being penetrated by a plurality of second water outlets; The water outlet device includes a switching component, which is provided with a blocking portion and the blocking portion, and the switching component has a first position and a second position; when the switching component is in the first position, the blocking portion is used to hinder part of the water in the oscillating flow channel flowing to the first oscillating water outlet, and make the part of the water flow back toward the suction chamber, and the blocking portion blocks the second oscillating water outlet; when the switching component is in the second position, the blocking portion is used to hinder part of the water in the oscillating flow channel flowing to the second oscillating water outlet, and make the part of the water flow back toward the suction chamber, and the blocking portion blocks the first oscillating water outlet.

11. The water outlet device according to claim 1, characterized in that: One end of the oscillating flow channel is communicated with the air suction cavity, wherein the end of the oscillating flow channel communicated with the air suction cavity is arranged opposite to the end of the contraction section away from the water inlet section.

12. The water outlet device according to claim 1, characterized in that: A blocking piece is also included, and the blocking piece is configured to block the air inlet hole and open the air inlet hole.

13. A shower head, characterized in that: It comprises the water outlet device as described in any one of claims 1 to 12 above.

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