Nose washing device spray head, spray head assembly and nasal cavity nursing device

Abstract

The utility model discloses a nasal irrigator nozzle, a nozzle assembly and a nasal cavity nursing device. The nasal irrigator nozzle is provided with a liquid storage cavity, a liquid inlet channel and a liquid outlet. The liquid inlet channel and the liquid outlet are formed in the bottom and the top of the liquid storage cavity respectively. The liquid inlet channel is used for allowing fluid to enter the liquid storage cavity. The liquid inlet channel comprises an inlet and an outlet which are oppositely arranged. The inlet allows fluid to flow in. The outlet is communicated with the liquid storage cavity. The center of the inlet is offset relative to the center of the outlet, so that the liquid inlet channel is a channel inclining towards the inner wall of the liquid storage cavity. The liquid storage cavity is used for storing fluid entering through the liquid inlet channel. The liquid outlet is used for enabling fluid in the liquid storage cavity to flow out to the nasal cavity. According to the nasal irrigator nozzle, under the condition that the nasal cavity cleaning effect is not affected, the fluid impact force is reduced, discomfort of a human body in the using process is avoided, and harm to the nasal cavity of the human body is avoided. Meanwhile, the nasal irrigator nozzle can also avoid unnecessary cleaning due to the fact that fluid is sprayed to a far position when a user triggers the nasal irrigator by mistake.

Description

Technical Field

[0001] The present application relates to the technical field of nasal cleaning, and more specifically, to a nasal washer nozzle, a nozzle assembly and a nasal care device. Background Art

[0002] In the related art, the nasal washers on the market usually use column-type nozzles. The fluid of the column-type nozzle is relatively concentrated, and a strong fluid impact will be generated when flushing with a large flow of fluid, which may cause discomfort to the nasal cavity. Therefore, how to reasonably design the nasal wash nozzle to ensure the cleaning quality while avoiding discomfort to the nasal cavity has become an urgent problem to be solved. Utility Model Content

[0003] Embodiments of the present application provide a nasal washer nozzle, a nozzle assembly, and a nasal care device.

[0004] In the first aspect, the nasal wash nozzle provided in the embodiment of the present application is provided with a liquid storage chamber, a liquid inlet channel and a liquid outlet. The liquid inlet channel and the liquid outlet are respectively arranged at the bottom and the top of the liquid storage chamber. The liquid inlet channel is used for supplying fluid into the liquid storage chamber. The liquid inlet channel includes an inlet and an outlet arranged opposite to each other. The inlet is for fluid to flow in. The outlet is connected to the liquid storage chamber. The center of the inlet is offset relative to the center of the outlet, so that the liquid inlet channel is a channel inclined toward the inner wall of the liquid storage chamber. The liquid storage chamber is used to store the fluid entering through the liquid inlet channel. The liquid outlet is used for supplying the fluid in the liquid storage chamber to flow out to the nasal cavity.

[0005] The nasal wash nozzle of the present application, on the one hand, the center of the inlet is offset relative to the center of the outlet so that the fluid entering the liquid storage cavity from the outlet has a certain angle, so that the fluid flowing into the liquid storage cavity impacts the inner wall of the liquid storage cavity, collides and rotates in the liquid storage cavity, and the flow rate of the fluid is slowed down. On the other hand, the liquid storage cavity can store a certain amount of fluid, and the stored fluid can bring a certain damping to the fluid at the outlet, and can also slow down the flow rate of the fluid. The fluid after the flow rate is slowed down is then sprayed from the liquid outlet of the liquid storage cavity to wash the nasal cavity, so that the nasal wash nozzle can greatly slow down the fluid flow rate of the liquid outlet without affecting the fluid flow rate, so that the nasal wash nozzle can reduce the impact of the fluid on the nasal cavity without affecting the effect of cleaning the nasal cavity, avoid discomfort when the human body is used and the fluid causes damage to the human nasal cavity. At the same time, when the fluid after the flow rate is slowed down is sprayed from the liquid outlet of the liquid storage cavity, it can be avoided that the user accidentally triggers the fluid to be sprayed to a distant place, which brings unnecessary cleaning.

[0006] In certain embodiments, the angle between a line connecting the center of the inlet and the center of the outlet and the axis of the liquid storage chamber is in the range of [10°, 45°].

[0007] The value range of the angle between the line connecting the center of the inlet and the center of the outlet and the axis of the liquid storage cavity is [10°, 45°], which can prevent the fluid from directly rushing out of the liquid outlet and ensure that the nasal cavity is not damaged. At the same time, the time for the fluid to rotate after hitting the inner wall of the liquid storage cavity is reasonable, and the flow rate of the fluid is reasonably reduced, which can ensure the cleaning effect of the nasal cavity.

[0008] In certain embodiments, along the direction from the inlet to the outlet, the flow area of ​​the liquid inlet channel gradually increases.

[0009] When the fluid flow rate is constant, the gradual increase in the flow area of ​​the liquid inlet channel can slow down the flow rate of the fluid in the liquid inlet channel, achieve the first slow flow of the fluid, and further reduce the fluid flow rate at the liquid outlet, thereby further reducing the impact on the nasal cavity caused by excessive fluid flow rate.

[0010] In some embodiments, along the direction from the inlet to the outlet, the flow area is the same everywhere.

[0011] The flow area of ​​the opening of the liquid inlet channel remains unchanged, which can better guide the fluid into the liquid storage cavity, avoid reducing the fluid flow rate and affecting the effect of cleaning the nasal cavity.

[0012] In certain embodiments, the flow area of ​​the liquid outlet is larger than the flow area of ​​the inlet.

[0013] The flow area of ​​the liquid outlet is larger than the flow area of ​​the inlet, which is beneficial to further reduce the flow velocity of the fluid when the fluid flows out of the liquid outlet, and the slow flow effect is better.

[0014] In certain embodiments, the flow area of ​​the liquid outlet is larger than the flow area of ​​the outlet.

[0015] The flow area of ​​the liquid outlet is larger than the flow area of ​​the outlet, which is beneficial to further reduce the flow velocity of the fluid when the fluid flows out of the liquid outlet, and the slow flow effect is better.

[0016] In some embodiments, the center of the outlet is offset relative to the center of the bottom of the liquid storage chamber away from the liquid outlet.

[0017] The center of the outlet is offset relative to the center of the bottom of the liquid storage cavity away from the liquid outlet, which can better guide the fluid to flow toward the inner wall of the liquid storage cavity and release pressure downward, thereby reducing the impact force of the fluid on the nasal cavity.

[0018] In certain embodiments, along the flow direction of the fluid flowing out of the liquid outlet, the flow area of ​​the cross section of the liquid storage chamber perpendicular to the flow direction first increases and then gradually decreases.

[0019] The fluid can rotate inside the liquid storage chamber, release pressure downward to reduce the flow rate, and then flow out of the liquid outlet after the flow rate slows down, which can reduce the impact of the water flow on the nasal cavity and avoid damage to the nasal cavity.

[0020] In some embodiments, along the flow direction, the shape of the cross section of the liquid storage chamber matches the shape of the cross section of the nasal rinse nozzle.

[0021] The cross-sectional shape of the liquid storage cavity matches the cross-sectional shape of the nasal rinse nozzle. When the cross-sectional area of ​​the nasal rinse nozzle is constant, the contour of the liquid storage cavity can construct a larger volume inside the nasal rinse nozzle, so that the liquid storage cavity can store more fluid, thereby providing more damping for the fluid flowing out of the outlet, and the flow rate of the fluid can be further slowed down.

[0022] In certain embodiments, along the flow direction of the fluid flowing out of the liquid outlet, the wall thickness of the liquid storage chamber gradually decreases.

[0023] The wall thickness of the liquid storage cavity gradually decreases, so that the nasal washer nozzle can better adapt to the shape of the nasal cavity, and the fluid can enter the nasal cavity more smoothly, thereby improving the comfort of the user.

[0024] In certain embodiments, the volume of the liquid storage chamber ranges from [0.5 mL, 5.0 mL].

[0025] The volume of the liquid storage chamber ranges from [0.5mL, 5.0mL], which can store fluid with sufficient damping effect without affecting the overall volume of the nasal wash nozzle, thereby preventing the nasal wash nozzle from being too large and incompatible with the human nasal cavity, which is not conducive to the fluid entering the nasal cavity.

[0026] In some embodiments, the nasal rinse nozzle is made of a flexible material.

[0027] The flexible material nasal irrigation nozzle has good elasticity and flexibility, can effectively fit the nostrils, and can ensure a good seal between the nostrils. At the same time, the flexible material nasal irrigation nozzle also has good corrosion resistance and high temperature resistance, and can be used for a long time in different environments.

[0028] In some embodiments, the nasal rinse nozzle is made of a flexible material or a hard material.

[0029] The nasal irrigation nozzle made of hard material can also effectively fit the nostrils and ensure a better seal with the nostrils. At the same time, the nasal irrigation nozzle made of hard material also has good corrosion resistance and high temperature resistance, and can be used for a long time in different environments.

[0030] In some embodiments, the nasal washer nozzle includes a first part and a second part. The liquid storage cavity, the liquid inlet channel and the liquid outlet are all arranged in the first part. The second part is connected to an end of the first part where the liquid inlet channel is arranged, and the inner cavity of the second part corresponds to the liquid inlet channel.

[0031] The second part is connected to one end of the first part provided with the liquid inlet channel, and the inner cavity of the second part corresponds to the liquid inlet channel, so that the inner cavity of the fluid-providing element installed on the second part can correspond to the liquid inlet channel, thereby realizing the introduction of the fluid. In addition, the design of the second part can limit the installation of the fluid-providing element, making it easier to combine the fluid-providing element with the nasal wash nozzle.

[0032] In certain embodiments, along the direction from the second portion to the first portion, the outer contour size of the first portion first increases and then decreases, and at least a portion of the outer wall of the first portion contacts the nasal cavity and forms a seal.

[0033] Along the direction from the second part to the first part, the outer contour size of the first part first increases and then decreases, so that the outer wall of the first part close to the liquid outlet can contact the nasal cavity and better fit the shape of the nasal cavity. The outer wall of the first part can close the nasal cavity to prevent fluid from flowing out of the nasal cavity, thereby ensuring the effect of cleaning the nasal cavity.

[0034] In a second aspect, a nozzle assembly provided by an embodiment of the present application includes a nasal washer nozzle and a nozzle as described in any embodiment. The nozzle includes a first end and a second end opposite to each other. The first end of the nozzle is connected to the liquid inlet channel. The second end of the nozzle is connected to a pump body capable of spraying fluid outward, so that the fluid sprayed by the pump body enters the liquid storage chamber through the nozzle.

[0035] In the nasal wash nozzle of the nozzle assembly of the present application, on the one hand, the center of the inlet is offset relative to the center of the outlet so that the fluid entering the liquid storage chamber from the outlet has a certain angle, so that the fluid flowing into the liquid storage chamber impacts the inner wall of the liquid storage chamber, collides and rotates in the liquid storage chamber, and the flow rate of the fluid is slowed down. On the other hand, the liquid storage chamber can store a certain amount of fluid, and the stored fluid can bring a certain damping to the fluid at the outlet, and can also slow down the flow rate of the fluid. The fluid after the flow rate is slowed down is then sprayed out from the liquid outlet of the liquid storage chamber to wash the nasal cavity, so that the nasal wash nozzle can greatly slow down the water flow rate of the liquid outlet without affecting the water flow rate, so that the nasal wash nozzle can reduce the impact of the fluid on the nasal cavity without affecting the effect of cleaning the nasal cavity, avoid discomfort when the human body is used and the fluid causes damage to the human nasal cavity. At the same time, when the fluid after the flow rate is slowed down is sprayed out from the liquid outlet of the liquid storage chamber, it can be avoided that the user accidentally triggers the fluid to be sprayed to a farther distance, which brings unnecessary cleaning.

[0036] In certain embodiments, a flow area of ​​the opening at the first end of the nozzle is smaller than a flow area of ​​the liquid outlet.

[0037] The flow area of ​​the opening at the first end of the nozzle is smaller than the flow area of ​​the liquid outlet, which can prevent the amount of fluid entering the liquid storage chamber from the nozzle per unit time from being greater than the amount of fluid flowing out of the liquid outlet, thereby preventing the amount of fluid in the liquid storage chamber from being overloaded and causing excessive pressure, thereby causing damage to the nasal wash nozzle.

[0038] In certain embodiments, a flow area of ​​the opening at the first end of the nozzle is smaller than a flow area of ​​the outlet.

[0039] The flow area of ​​the opening at the first end of the nozzle is smaller than the flow area of ​​the outlet, which can slow down the flow rate of the fluid in the liquid inlet channel and further reduce the fluid flow rate at the liquid outlet, thereby further reducing the impact on the nasal cavity caused by excessive fluid flow rate.

[0040] In some embodiments, the nasal wash nozzle includes a first part and a second part. The liquid storage cavity, the liquid inlet channel and the liquid outlet are all arranged in the first part. The second part is connected to an end of the first part provided with the liquid inlet channel, and the inner cavity of the second part corresponds to the liquid inlet channel. The first end of the nozzle extends into the second part to align with and communicate with the liquid inlet channel.

[0041] The second part is connected to one end of the first part provided with the liquid inlet channel, and the inner cavity of the second part corresponds to the liquid inlet channel, so that the inner cavity of the nozzle installed on the second part for providing fluid corresponds to the liquid inlet channel, thereby achieving the introduction of fluid into the liquid storage cavity through the nozzle. In addition, the design of the second part can limit the installation of the nozzle, making it easier to combine the nozzle with the nasal wash nozzle.

[0042] In some embodiments, a sealing member is provided between an outer wall of the first end of the nozzle and an inner wall of the second portion, and the sealing member is used to seal a gap between the nozzle and the second portion.

[0043] The provision of the sealing member can prevent the fluid from flowing out from the gap between the nozzle and the second part to the outside, causing the external environment to become humid and increasing the cleaning work of the user.

[0044] In a third aspect, another nozzle assembly provided by the embodiment of the present application includes a nasal wash nozzle and a nozzle. The nasal wash nozzle is provided with a liquid storage chamber, a liquid outlet and a perforation. The perforation and the liquid outlet are respectively arranged at opposite ends of the liquid storage chamber and are both connected to the liquid storage chamber. The nozzle includes a first end and a second end opposite to each other. The first end of the nozzle is installed in the perforation. The first end of the nozzle is provided with a liquid inlet channel. The liquid inlet channel is connected to the liquid storage chamber. The liquid inlet channel includes an inlet and an outlet arranged opposite to each other. The inlet is for fluid to flow in. The outlet is connected to the liquid storage chamber. The center of the inlet is offset relative to the center of the outlet, and the fluid flowing into the liquid storage chamber through the liquid inlet channel contacts the inner wall of the liquid storage chamber. The liquid storage chamber is used to store the fluid entering through the liquid inlet channel. The liquid outlet is used for the fluid in the liquid storage chamber to flow out to the nasal cavity. The second end of the nozzle is connected to a pump body capable of spraying fluid outward, and the fluid sprayed by the pump body enters the liquid storage chamber through the nozzle.

[0045] In the nozzle of the nozzle assembly of the present application, on the one hand, the center of the inlet is offset relative to the center of the outlet so that the fluid entering the liquid storage cavity from the outlet has a certain angle, so that the fluid flowing into the liquid storage cavity impacts the inner wall of the liquid storage cavity, collides and rotates in the liquid storage cavity, and the flow rate of the fluid is slowed down. On the other hand, the liquid storage cavity can store a certain amount of fluid, and the stored fluid can bring a certain damping to the fluid at the outlet, and can also slow down the flow rate of the fluid. The fluid after the flow rate is slowed down is then sprayed out from the liquid outlet of the liquid storage cavity to rinse the nasal cavity, so that the nasal wash nozzle can greatly slow down the fluid flow rate of the liquid outlet without affecting the fluid flow rate, so that the nasal wash nozzle can reduce the impact of the fluid on the nasal cavity without affecting the effect of cleaning the nasal cavity, avoid discomfort when the human body is used, and the fluid can cause damage to the human nasal cavity. At the same time, when the fluid after the flow rate is slowed down is sprayed out from the liquid outlet of the liquid storage cavity, it can avoid the user from accidentally triggering the fluid to be sprayed to a farther distance, causing unnecessary cleaning. In the fourth aspect, the nasal care device provided by the embodiment of the present application includes the nozzle assembly and pump body described in any of the above embodiments. The spray head assembly is communicated with the pump body.

[0046] In the nozzle assembly of the nasal care device of the present application, on the one hand, the center of the inlet of the liquid inlet channel is offset relative to the center of the outlet so that the fluid entering the liquid storage cavity from the outlet has a certain angle, so that the fluid flowing into the liquid storage cavity impacts the inner wall of the liquid storage cavity, collides and rotates in the liquid storage cavity, and the flow rate of the fluid is slowed down. On the other hand, the liquid storage cavity can store a certain amount of fluid, and the stored fluid can bring a certain damping to the fluid at the outlet, and can also slow down the flow rate of the fluid. The fluid after the flow rate is slowed down is then sprayed out from the liquid outlet of the liquid storage cavity to wash the nasal cavity, so that the nasal washing device nozzle can greatly slow down the fluid flow rate of the liquid outlet without affecting the fluid flow rate, so that the nasal washing device nozzle can reduce the impact of the fluid on the nasal cavity without affecting the effect of cleaning the nasal cavity, avoid discomfort when the human body is used, and the fluid causes damage to the human nasal cavity. At the same time, when the fluid after the flow rate is slowed down is sprayed out from the liquid outlet of the liquid storage cavity, it can be avoided that the user accidentally triggers the fluid to be sprayed to a farther distance, which brings unnecessary cleaning. Additional aspects and advantages of the embodiments of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the embodiments of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0048] Figure 1 is a three-dimensional assembly diagram of a nasal care device according to certain embodiments of the present application;

[0049] Figure 2 yes Figure 1 A partially exploded schematic diagram of a nasal care device is shown;

[0050] Figure 3 yes Figure 1 A cross-sectional schematic diagram of the nasal care device shown;

[0051] Figure 4 is a cross-sectional schematic diagram of a spray head assembly in a nasal care device according to some embodiments of the present application;

[0052] Figure 5 is a cross-sectional schematic diagram of a nasal washer nozzle and a nozzle tube separated in a nozzle assembly according to certain embodiments of the present application;

[0053] Figure 6 is a schematic cross-sectional view of a nasal washer nozzle according to some embodiments of the present application;

[0054] Figure 7 is a cross-sectional schematic diagram of a nasal washer nozzle according to some other embodiments of the present application;

[0055] Figure 8It is a cross-sectional schematic diagram of the nozzle assembly of other embodiments of the present application.

[0056] Description of main component symbols:

[0057] 1000. Nasal care device;

[0058] 100, nozzle assembly; 300, pump body;

[0059] 10. Nose washer nozzle; 11. First part; 117. Outer wall; 111. Liquid storage cavity; 1111. Inner wall of liquid storage cavity; 113. Liquid inlet channel; 1131. Inlet; 1133. Outlet; 115. Liquid outlet; 13. Second part; 131. Inner cavity; 135. Inner wall; 17. Perforation;

[0060] 30, nozzle; 31, first end; 311, outer wall; 33, second end;

[0061] 50. Seals. DETAILED DESCRIPTION

[0062] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the embodiments of the present application, and cannot be understood as limiting the embodiments of the present application.

[0063] In the description of the present application, it should be understood that the terms "thickness", "upper", "top", "bottom", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application 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, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0064] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. In an example, it can be a fixed connection, or a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection, or they can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements.

[0065] In the embodiments of the present application, a first feature being “above” or “below” a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being “above”, “above”, and “above” a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0066] See also Figures 1 to 3 The embodiment of the present application provides a nasal care device 1000. The nasal care device 1000 includes a spray head assembly 100 and a pump body 300, and the spray head assembly 100 is connected to the pump body 300.

[0067] The nasal cavity care device 100 is a device for cleaning the nasal cavity and sinuses. The main function of the nasal cavity care device 100 is to help people clean the secretions, allergens, dirt and other substances in the nasal cavity that may cause nasal congestion or infection.

[0068] The nozzle assembly 100 is a component for delivering the cleaning fluid into the nasal cavity at an appropriate pressure and in a suitable manner so as to clean and care for the inside of the nasal cavity. The fluid may be clean water, physiological saline, a special flushing liquid, or a liquid containing certain drug components.

[0069] The pump body 300 is a component that presses the fluid into the nozzle assembly 100. The pump body 300 can control the flow rate and flow rate of the fluid, so that the user can adjust different flow rates and flows according to different needs, so that the nasal care device 1000 can adapt to different nasal care needs.

[0070] In some embodiments, see Figure 3 and Figure 4 The nozzle assembly 100 includes a nasal washer nozzle 10 and a nozzle 30 .

[0071] The nasal wash nozzle 10 is a component that fits the nasal cavity and is used to guide external fluid into the nasal cavity. Specifically, the nasal wash nozzle 10 is provided with a liquid storage cavity 111, a liquid inlet channel 113 and a liquid outlet 115. The liquid inlet channel 113 and the liquid outlet 115 are respectively arranged at opposite ends of the liquid storage cavity 111. The liquid inlet channel 113 is used for fluid to enter the liquid storage cavity 111. The liquid inlet channel 113 includes an inlet 1131 and an outlet 1133 that are arranged opposite to each other. The inlet 1131 is for fluid to flow in. The outlet 1133 is connected to the liquid storage cavity 111. Please refer to Figure 5, the center A of the inlet 1131 is offset relative to the center C of the outlet 1133, so that the liquid inlet channel 113 is a channel inclined toward the inner wall 1111 of the liquid storage cavity 111. At this time, the fluid flowing into the liquid storage cavity 111 through the liquid inlet channel 113 contacts the inner wall 1111 of the liquid storage cavity. The liquid storage cavity 111 is used to store the fluid entering through the liquid inlet channel 113. The liquid outlet 115 is used to allow the fluid in the liquid storage cavity 111 to flow out to the nasal cavity.

[0072] The liquid storage chamber 111 is a spatial structure that can store a certain amount of fluid. A liquid inlet channel 113 is provided at the bottom of the liquid storage chamber 111, and a liquid outlet 115 is provided at the top of the liquid storage chamber 111. When the nasal wash nozzle 10 is in use, the liquid inlet channel 113 is close to the side of the element (such as the nozzle 30) that introduces external fluid, and the liquid outlet 115 is close to the side of the nasal cavity. The pump body 300 pumps fluid into the nozzle 30, and the fluid in the nozzle 30 flows into the liquid inlet channel 113 from the inlet 1131, and flows out from the outlet 1133 into the liquid storage chamber 111. The pump body 300 continues to pump, so that the fluid in the liquid storage chamber 111 flows out from the liquid outlet 115 into the nasal cavity to care for the nasal cavity. Please combine Figure 5 , the center A of the inlet 1131 is the geometric center of the flow surface where the inlet 1131 is located, and is also the intersection of the center line of the flow surface and the flow surface. The center C of the outlet 1133 is the center of the flow surface where the outlet 1133 is located, and is also the intersection of the center line of the flow surface and the flow surface. The center A of the inlet 1131 is offset relative to the center C of the outlet 1133, that is, the center A of the inlet 1131 is not on the extension line where the center line of the outlet 1133 is located, but can be at any position in the plane perpendicular to the center line of the outlet 1133. In the present application, the liquid storage chamber 111 is a symmetrical spatial structure and has an axis X2. The line X1 connecting the center A of the inlet 1131 and the center C of the outlet 1133 is offset to a certain extent from the axis X2 of the liquid storage chamber 111. In other embodiments, the liquid storage chamber 111 may be an asymmetric spatial structure.

[0073] On the one hand, the center A of the inlet 1131 is offset relative to the center C of the outlet 1133, so that the fluid entering the liquid storage chamber 111 from the outlet 1133 has a certain angle, so that the fluid flowing into the liquid storage chamber 111 impacts the inner wall 1111 of the liquid storage chamber 111, collides and rotates in the liquid storage chamber 111, and the flow rate of the fluid is slowed down. On the other hand, the liquid storage chamber 111 can store a certain amount of fluid, and the stored fluid can bring a certain damping to the fluid of the outlet 1133, and can also slow down the flow rate of the fluid. The fluid with a slowed flow rate is then sprayed from the liquid outlet 115 of the liquid storage chamber 111 to rinse the nasal cavity, so that the nasal washer nozzle 10 can greatly slow down the flow rate of the fluid at the liquid outlet 115 without affecting the flow rate of the fluid, so that the nasal washer nozzle 10 can reduce the impact of the fluid on the nasal cavity without affecting the effect of cleaning the nasal cavity, thereby avoiding discomfort when the human body is used and the fluid causing damage to the human nasal cavity. At the same time, the fluid with a slowed flow rate is ejected from the liquid outlet 115 of the liquid storage chamber 111, which can prevent the fluid from being ejected to a distant place when the user triggers it by mistake, causing unnecessary cleaning.

[0074] The nasal washer nozzle 10 is described in detail below in conjunction with the accompanying drawings.

[0075] See also Figure 3 In some embodiments, the nasal rinse nozzle 10 is made of a flexible material.

[0076] Specifically, the nasal irrigation nozzle 10 can be made of silicone, latex or synthetic rubber. The flexible material of the nasal irrigation nozzle 10 has good elasticity and flexibility, can effectively fit with the nostrils, and can ensure the sealing between the nostrils. At the same time, the flexible material of the nasal irrigation nozzle 10 also has good corrosion resistance and high temperature resistance, and can be used for a long time in different environments. In other embodiments, the nasal irrigation nozzle 10 can also be other materials that meet the above characteristics.

[0077] Please continue reading Figure 3 In other embodiments, the nasal washer nozzle 10 is made of a hard material.

[0078] Specifically, the nasal irrigation nozzle 10 can be made of plastic. Plastic includes but is not limited to polypropylene (PP). The nasal irrigation nozzle 10 made of hard material can also effectively fit with the nostrils and ensure good sealing between the nostrils. At the same time, the nasal irrigation nozzle 10 made of hard material also has good corrosion resistance and high temperature resistance, and can be used for a long time in different environments.

[0079] See also Figure 4 In some embodiments, along the flow direction of the fluid, the cross-sectional shape of the liquid storage chamber 111 matches the cross-sectional shape of the nasal wash nozzle 10 .

[0080] Specifically, the cross-section of the nasal rinse nozzle 10 is shaped like a mushroom head, and along the flow direction of the fluid, the outer contour of the cross-section of the nasal rinse nozzle 10 increases first and then decreases. Correspondingly, the cross-section of the liquid storage chamber 111 is also shaped like a mushroom head, and along the flow direction of the fluid, the cross-section of the liquid storage chamber 111 also increases first and then decreases. In this way, when the cross-sectional area of ​​the nasal rinse nozzle 10 is constant, the contour of the liquid storage chamber 111 can construct a larger volume inside the nasal rinse nozzle 10. The liquid storage chamber 111 can store more fluid, thereby providing more damping for the fluid flowing out of the outlet 1133, and the flow rate of the fluid can be further slowed down.

[0081] Please continue reading Figure 4 In some embodiments, along the flow direction of the fluid flowing out of the liquid outlet 115, the wall thickness of the liquid storage chamber 111 gradually decreases.

[0082] The wall thickness of the liquid storage cavity 111 gradually decreases, so that the nasal washer nozzle 10 can better adapt to the shape of the nasal cavity, and the fluid can enter the nasal cavity more smoothly, thereby improving the comfort of the user.

[0083] See also Figure 4 In some embodiments, the volume of the liquid storage chamber 111 ranges from [0.5 mL, 5.0 mL].

[0084] Specifically, the volume of the liquid storage chamber 111 can be 0.5mL, 0.6mL, 0.9mL, 1.5mL, 2.6mL, 2.9mL, 3.5mL, 4.1mL, 4.9mL or 5.0mL. When the volume of the liquid storage chamber 111 is less than 0.5mL, the flow rate of the fluid stored in the liquid storage chamber 111 for providing damping is insufficient, resulting in poor effect of slowing down the fluid flow rate. When the volume of the liquid storage chamber 111 is greater than 5.0mL, the volume of the nasal washer nozzle 10 will also increase accordingly, and the problem of not being compatible with the human nasal cavity may easily occur.

[0085] Therefore, the volume of the liquid storage chamber 111 ranges from [0.5 mL, 5.0 mL], which can store fluid with sufficient damping effect without affecting the overall volume of the nasal wash nozzle 10, thereby preventing the nasal wash nozzle 10 from being too large and incompatible with the human nasal cavity, which is not conducive to the fluid entering the nasal cavity.

[0086] See also Figure 4 and Figure 6 , in some embodiments, along the flow direction of the fluid flowing out of the liquid outlet 115, the cross-section of the liquid storage chamber 111 is perpendicular to the flow direction.

[0087] Specifically, the fluid enters the liquid storage chamber 111 from the outlet 1133 and flows out from the liquid outlet 115. The maximum flow area Smax of the liquid storage chamber 111 is located in the middle of the liquid storage chamber 111, and the flow area Smax at the bottom of the liquid storage chamber 111 is located in the middle of the liquid storage chamber 111. 底 <Smax, the flow area S3 of the top of the liquid storage chamber 111 (liquid outlet 115) is <Smax. In this way, in the flow direction of the fluid flowing out of the liquid outlet 115, the flow area of ​​the liquid storage chamber 111 first increases and then gradually decreases.

[0088] In the direction from the bottom of the liquid storage chamber 111 to the maximum flow area Smax, due to the flow area S at the bottom of the liquid storage chamber 111 底 <Smax, so that the inner wall 1111 of the liquid storage chamber 111 and the liquid inlet channel 113 have the same inclination trend, and the fluid can hit the inner wall 1111 of the liquid storage chamber 111 at a certain angle. In the direction from the maximum flow area Smax to the liquid outlet 115, the flow area of ​​the liquid storage chamber 111 gradually decreases, and the inner wall 1111 of the liquid storage chamber and the liquid inlet channel 113 have different inclination trends. The fluid tilts from the direction of the inner wall 1111 of the liquid storage chamber 111 to the direction of the liquid outlet 115. In this way, the fluid can rotate inside the liquid storage chamber 111, release pressure downward, and thus reduce the flow rate. The fluid flows out of the liquid outlet 115 after the flow rate is slowed down, which can reduce the impact of the fluid on the nasal cavity, thereby avoiding damage to the nasal cavity.

[0089] See also Figure 4 and Figure 6 In some embodiments, along the direction from the inlet 1131 to the outlet 1133 , the flow area of ​​the liquid inlet channel 113 gradually increases.

[0090] Specifically, the flow area of ​​the inlet channel 113 gradually increases. On the one hand, the flow area S1 of the inlet 1131 is smaller than the flow area S2 of the outlet 1133. On the other hand, the flow area gradually increases in the direction from the inlet 1131 to the outlet 1133. When the fluid flow rate is constant, the gradual increase in the flow area of ​​the inlet channel 113 can slow down the flow rate of the fluid in the inlet channel 113, achieve the first slow flow of the fluid, and further reduce the fluid flow rate at the outlet 115, thereby further reducing the impact on the nasal cavity due to excessive fluid flow rate.

[0091] See also Figure 7 In other embodiments, along the direction from the inlet 1131 to the outlet 1133, the flow area of ​​the opening of the liquid inlet channel 113 is the same everywhere.

[0092] Specifically, the flow area of ​​the opening of the liquid inlet channel 113 is the same everywhere, which means that the flow area S1 of the inlet 1131 is equal to the flow area S2 of the outlet 1133, and the flow area of ​​the liquid inlet channel 113 remains unchanged in the direction from the inlet 1131 to the outlet 1133. The flow area of ​​the liquid inlet channel 113 remains unchanged, which can better guide the fluid into the liquid storage cavity 111, avoid reducing the fluid flow and affecting the effect of cleaning the nasal cavity.

[0093] See also Figure 4 and Figure 5 In some embodiments, the angle between the line X1 connecting the center A of the inlet 1131 and the center C of the outlet 1133 and the axis X2 of the liquid storage chamber ranges from [10°, 45°].

[0094] Specifically, the angle between the line X1 connecting the center A of the inlet 1131 and the center C of the outlet 1133 and the axis X2 of the liquid storage chamber can be 10°, 15°, 25°, 30°, 31°, 37°, 40°, 43°, 44° or 45°. When the angle is less than 10°, the fluid will directly rush out of the liquid outlet 115, and the flow rate of the fluid will not be slowed down, which will damage the nasal cavity. When the angle is greater than 45°, the fluid will rotate for a long time after hitting the inner wall 1111 of the liquid storage chamber 111, resulting in a lower flow rate of the fluid, which reduces the cleaning effect of the nasal cavity.

[0095] Therefore, the angle between the line X1 connecting the center A of the inlet 1131 and the center C of the outlet 1133 and the axis X2 of the liquid storage cavity is in the range of [10°, 45°], which can prevent the fluid from directly rushing out of the liquid outlet 115 and ensure that the nasal cavity is not damaged. At the same time, the time for the fluid to rotate after hitting the inner wall 1111 of the liquid storage cavity 111 is reasonable, and the flow rate of the fluid is reasonably reduced, which can ensure the cleaning effect of the nasal cavity.

[0096] See also Figure 4 and Figure 6 In some embodiments, the flow area S3 of the liquid outlet 115 is larger than the flow area S1 of the inlet 1131 .

[0097] Specifically, the flow area S3 of the liquid outlet 115 is larger than the flow area S1 of the inlet 1131. When the flow rate remains unchanged, the increase in the flow area S3 of the liquid outlet 115 is beneficial to further reduce the fluid flow rate when the fluid flows out of the liquid outlet 115, and the slow flow effect is better.

[0098] See also Figure 4 and Figure 6 In some embodiments, the flow area S3 of the liquid outlet 115 is greater than the flow area S2 of the outlet 1133 .

[0099] Specifically, the flow area S3 of the liquid outlet 115 is larger than the flow area S2 of the outlet 1133 , which is beneficial for further reducing the flow velocity of the fluid when the fluid flows out of the liquid outlet 115 , thereby achieving a better slow flow effect.

[0100] See also Figures 4 to 6 In some embodiments, the center C of the outlet 1133 is offset relative to the center E of the bottom of the liquid storage chamber 111 away from the liquid outlet 115.

[0101] Specifically, the center C of the outlet 1133 is offset relative to the center E of the bottom of the liquid storage cavity 111 away from the liquid outlet 115, which means that the center C of the outlet 1133 does not coincide with the center E of the bottom of the liquid storage cavity 111. The center C of the outlet 1133 is closer to the inner wall 1111 of the liquid storage cavity than the center E of the bottom of the liquid storage cavity 111, which can better guide the fluid to flow to the inner wall 1111 of the liquid storage cavity 111, and release pressure downward, thereby reducing the impact of the fluid on the nasal cavity.

[0102] Further, in certain embodiments, see Figure 3 and Figure 4 The nasal washer nozzle 10 may also include a first portion 11 and a second portion 13. The liquid storage cavity 111, the liquid inlet channel 113 and the liquid outlet 115 are all provided in the first portion 11. The second portion 13 is connected to one end of the first portion 11 provided with the liquid inlet channel 113, and the inner cavity 131 of the second portion 13 corresponds to the liquid inlet channel 113.

[0103] Specifically, the second part 13 is used to provide a space connected to the first part 11 for the element providing fluid. In this embodiment, the element providing fluid is a nozzle 30. In other embodiments, the element providing fluid can also be other devices capable of draining fluid. The second part 13 is connected to one end of the first part 11 with a liquid inlet channel 113, and the inner cavity 131 of the second part 13 corresponds to the liquid inlet channel 113, so that the inner cavity of the element providing external fluid installed in the second part 13 can correspond to the liquid inlet channel 113, thereby realizing the introduction of external fluid and making the circulation of fluid smoother. In addition, the design of the second part 13 can limit the installation of the element providing external fluid, making it easier to combine the element providing external fluid with the nasal wash nozzle 10.

[0104] Of course, it is understandable that the nasal washer nozzle 10 may only include the first portion 11 , and the nozzle 30 may be directly disposed in the liquid inlet channel 113 .

[0105] Please continue reading Figure 3 and Figure 4 In some embodiments, along the direction from the second portion 13 to the first portion 11, the outer contour size of the first portion 11 first increases and then decreases, and at least part of the outer wall of the first portion 11 contacts the nasal cavity and forms a seal.

[0106] Specifically, along the direction from the second part 13 to the first part 11, the size of the outer contour of the first part 11 is larger near the second part 13, so that the volume of the liquid storage cavity 111 corresponding to its shape is also increased, so that the liquid storage cavity 111 can store more fluid and has a better effect of slowing down the flow rate. The outer contour size of the first part 11 is reduced near the liquid outlet 115, so that the outer wall 117 of the first part 11 near the liquid outlet 115 is in conflict with the nasal cavity, more closely fitting the shape of the nasal cavity, and then the outer wall 117 of the first part 11 can close the nasal cavity and prevent the fluid from flowing out of the nasal cavity, thereby ensuring the effect of cleaning the nasal cavity.

[0107] See also Figure 3 and Figure 4 The nozzle 30 includes a first end 31 and a second end 33 opposite to each other. The first end 31 of the nozzle 30 is communicated with the liquid inlet channel 113. The second end 33 of the nozzle 30 is communicated with the pump body 300, and the fluid pressed into the pump body 300 enters the liquid storage chamber 111 through the nozzle 30.

[0108] Specifically, the first end 31 of the nozzle 30 partially extends into the second part 13, and is aligned and connected with the liquid inlet channel 113. The connection mode of the first end 31 and the second part 13 can be detachably connected or non-detachably connected. The detachable connection of the first end 31 and the second part 13 includes but is not limited to a threaded connection, a snap-on connection, or a connection combined with the two. The detachable connection of the first end 31 and the second part 13 can facilitate the cleaning and maintenance of the nasal wash nozzle 10. The non-detachable connection of the first end 31 and the second part 13 includes but is not limited to a gluing connection, a welding connection, or a connection combined with the two. The non-detachable connection of the first end 31 and the second part 13 can ensure the firm connection of the nozzle 30 and the nasal wash nozzle 10, and prevent the two from falling off and causing fluid leakage. The second end 33 of the nozzle 30 is connected to the pump body 300, and the fluid sprayed by the pump body 300 enters the liquid storage chamber 111 through the nozzle 30. Similarly, in the present application, the connection mode of the second end 33 of the nozzle 30 and the pump body 300 is also not limited.

[0109] See also Figure 4 and Figure 6 In some embodiments, the flow area of ​​the opening of the first end 31 of the nozzle 30 is smaller than the flow area of ​​the liquid outlet 115 .

[0110] Specifically, the flow area S4 of the opening of the first end 31 of the nozzle 30 is smaller than the flow area S3 of the liquid outlet 115, which can prevent the amount of fluid entering the liquid storage chamber 111 from the nozzle 30 per unit time from being greater than the amount of fluid flowing out of the liquid outlet 115, thereby preventing the amount of fluid in the liquid storage chamber 111 from being overloaded and causing excessive pressure, thereby damaging the nasal wash nozzle 10.

[0111] See also Figure 4 and Figure 6 In some embodiments, the flow area of ​​the opening of the first end 31 of the nozzle 30 is smaller than the flow area of ​​the outlet 1133 .

[0112] Specifically, the flow area S4 of the opening of the first end 31 of the nozzle 30 is smaller than the flow area S2 of the outlet 1133, because the flow area S2 of the outlet 1133 is larger than the flow area S1 of the inlet 1131 in some embodiments, and is equal to the flow area S1 of the inlet 1131 in other embodiments. Therefore, the flow area S4 of the first end 31 is smaller than or equal to the flow area S1 of the inlet 1131, which can better align with the inlet 1131, slow down the flow rate of the fluid in the liquid inlet channel 113, and further reduce the fluid flow rate at the liquid outlet 115, thereby further reducing the impact on the nasal cavity due to excessive fluid flow rate.

[0113] For further information, see Figure 3 and Figure 4 In some embodiments, a seal 50 is disposed between the outer wall 311 of the first end 31 and the inner wall 135 of the second portion 13 , and the seal 50 is used to seal the gap between the nozzle 30 and the second portion 13 .

[0114] Specifically, the seal 50 is disposed between the outer wall 311 of the first end 31 and the inner wall 135 of the second portion 13. The seal 50 may be one or more, and in this embodiment, there are two seals 50. The provision of the seal 50 prevents the fluid from flowing out from the gap between the nozzle 30 and the second portion 13 to the outside, causing the external environment to become humid and increasing the cleaning work of the user.

[0115] See also Figure 8 Another nozzle assembly 100 provided in an embodiment of the present application includes a nasal rinse nozzle 10 and a nozzle 30. The nasal rinse nozzle 10 is provided with a liquid storage chamber 111, a liquid outlet 115 and a perforation 17. The perforation 17 and the liquid outlet 115 are respectively arranged at opposite ends of the liquid storage chamber 111, and are both connected to the liquid storage chamber 111. The nozzle 30 includes a first end 31 and a second end 33 opposite to each other. The first end 31 is installed in the perforation 17. The first end 31 is provided with a liquid inlet channel 113. The liquid inlet channel 113 is connected to the liquid storage chamber 111. The liquid inlet channel 113 includes an inlet 1131 and an outlet 1133 arranged opposite to each other. The inlet 1131 is for fluid to flow in. The outlet 1133 is connected to the liquid storage chamber 111. The center of the inlet 1131 is offset relative to the center of the outlet 1133. The fluid flowing into the liquid storage chamber 111 through the liquid inlet channel 113 contacts the inner wall 1111 of the liquid storage chamber. The liquid storage chamber 111 is used to store the fluid entering through the liquid inlet channel 113. The liquid outlet 115 is used to allow the fluid in the liquid storage chamber 111 to flow out to the nasal cavity. The second end 33 is connected to a pump body capable of spraying fluid outward. The fluid sprayed by the pump body enters the liquid storage chamber 111 through the nozzle 30.

[0116] Specifically, the difference between this embodiment and the nozzle assembly 100 in the previous embodiment is that, please refer to Figure 5 and Figure 8 In the aforementioned nozzle assembly 100, the liquid inlet channel 113 is provided in the nasal washer nozzle 10. In this embodiment, the liquid inlet channel 113 is provided at the first end 31 of the nozzle 30, and is aligned with the perforation 17 provided at one end of the liquid storage chamber 111, so as to communicate with the liquid storage chamber 111. The structural features of the liquid inlet channel 113 are substantially the same as those of the liquid inlet channel 113 in the aforementioned embodiment, and the center of the inlet 1131 is also offset relative to the center of the outlet 1133, so that the fluid entering the liquid storage chamber 111 from the perforation 17 has a certain angle, so that the fluid flowing into the liquid storage chamber 111 hits the inner wall 1111 of the liquid storage chamber 111. The fluid can collide and rotate in the liquid storage chamber 111, and then spray out from the liquid outlet 115 of the liquid storage chamber 111 after the flow rate is slowed down. On the other hand, the liquid storage chamber 111 can store a certain amount of fluid, and the stored fluid can bring a certain damping to the fluid at the outlet 1133, slowing down the flow rate of the fluid. Thus, the nasal rinse nozzle 10 can greatly slow down the fluid flow rate of the liquid outlet 115 without affecting the fluid flow rate. The nasal rinse nozzle 10 can reduce the fluid impact force without affecting the effect of cleaning the nasal cavity, thereby avoiding discomfort when the human body is using it and avoiding damage to the human nasal cavity. At the same time, the nozzle assembly 100 can prevent the user from accidentally triggering the fluid to spray to a far distance, causing unnecessary cleaning.

[0117] In the description of this specification, the description with reference to the terms "certain embodiments", "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 the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0118] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, unless otherwise clearly and specifically defined.

[0119] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application. The scope of the present application is defined by the claims and their equivalents.

Claims

1. A nasal wash nozzle, characterized in that: The nasal wash nozzle is provided with a liquid storage cavity, a liquid inlet channel and a liquid outlet, the liquid inlet channel and the liquid outlet are respectively arranged at the bottom and the top of the liquid storage cavity, the liquid inlet channel is used for fluid to enter the liquid storage cavity, the liquid inlet channel includes an inlet and an outlet arranged relatively to each other, the inlet is for fluid to flow in, the outlet is communicated with the liquid storage cavity, the center of the inlet is offset relative to the center of the outlet, so that the liquid inlet channel is a channel inclined toward the inner wall of the liquid storage cavity, the liquid storage cavity is used to store the fluid entering through the liquid inlet channel, and the liquid outlet is used for the fluid in the liquid storage cavity to flow out to the nasal cavity.

2. The nasal washer nozzle according to claim 1, characterized in that: The value range of the angle between the line connecting the center of the inlet and the center of the outlet and the axis of the liquid storage chamber is [10°, 45°].

3. The nasal washer nozzle according to claim 1, characterized in that: Along the direction from the inlet to the outlet, the flow area of ​​the liquid inlet channel gradually increases; or Along the direction from the inlet to the outlet, the flow area of ​​the opening of the liquid inlet channel is the same everywhere.

4. The nasal washer nozzle according to claim 3, characterized in that: The flow area of ​​the liquid outlet is larger than the flow area of ​​the inlet; and / or The flow area of ​​the liquid outlet is larger than the flow area of ​​the outlet.

5. The nasal washer nozzle according to claim 3, characterized in that: The center of the outlet is offset relative to the center of the bottom of the liquid storage chamber away from the liquid outlet.

6. The nasal washer nozzle according to claim 1, characterized in that: Along the flow direction of the fluid flowing out of the liquid outlet, the flow area of ​​the cross section of the liquid storage chamber perpendicular to the flow direction first increases and then gradually decreases.

7. The nasal washer nozzle according to claim 6, characterized in that: Along the flow direction, the shape of the cross section of the liquid storage chamber matches the shape of the cross section of the nasal washer nozzle.

8. The nasal washer nozzle according to claim 1, characterized in that: Along the flow direction of the fluid flowing out of the liquid outlet, the wall thickness of the liquid storage cavity gradually decreases.

9. The nasal washer nozzle according to claim 1, characterized in that: The volume of the liquid storage chamber ranges from [0.5 mL to 5.0 mL].

10. The nasal washer nozzle according to claim 1, characterized in that: The nasal washer nozzle comprises: A first part, wherein the liquid storage cavity, the liquid inlet channel and the liquid outlet are all disposed in the first part; and The second part is connected to the first part at one end of which the liquid inlet channel is provided, and the inner cavity of the second part corresponds to the liquid inlet channel.

11. The nasal washer nozzle according to claim 10, characterized in that: Along the direction from the second part to the first part, the outer contour size of the first part increases first and then decreases, and at least part of the outer wall of the first part contacts the nasal cavity and forms a seal.

12. A nozzle assembly, characterized in that: include: The nasal washer nozzle according to any one of claims 1 to 11; and The nozzle comprises a first end and a second end opposite to each other, the first end of the nozzle is connected to the liquid inlet channel, the second end of the nozzle is connected to a pump body capable of spraying fluid outward, and the fluid sprayed by the pump body enters the liquid storage chamber through the nozzle.

13. The spray head assembly according to claim 12, characterized in that: The flow area of ​​the opening of the first end of the nozzle is smaller than the flow area of ​​the liquid outlet; and / or The flow area of ​​the opening of the first end of the nozzle is smaller than the flow area of ​​the outlet.

14. A nozzle assembly, characterized in that: include: A nasal washer nozzle, the nasal washer nozzle is provided with a liquid storage cavity, a liquid outlet and a through hole, the through hole and the liquid outlet are respectively provided at opposite ends of the liquid storage cavity and are both connected to the liquid storage cavity; and A nozzle, the nozzle comprising a first end and a second end opposite to each other, the first end of the nozzle being installed in the perforation, the first end of the nozzle being provided with a liquid inlet channel, the liquid inlet channel being communicated with the liquid storage chamber, the liquid inlet channel comprising an inlet and an outlet arranged opposite to each other, the inlet being for fluid to flow in, the outlet being communicated with the liquid storage chamber, the center of the inlet being offset relative to the center of the outlet, the fluid flowing into the liquid storage chamber through the liquid inlet channel contacts the inner wall of the liquid storage chamber, the liquid storage chamber being used to store the fluid entering through the liquid inlet channel, the liquid outlet being used to allow the fluid in the liquid storage chamber to flow out to the nasal cavity, the second end of the nozzle being communicated with a pump body capable of spraying fluid outward, the fluid sprayed by the pump body entering the liquid storage chamber through the nozzle.

15. A nasal care device, characterized in that: include: The nozzle assembly according to any one of claims 12 to 14; and A pump body, wherein the spray head assembly is connected to the pump body.

Images