Nose washing nozzle assembly and nose washing device

Abstract

The utility model relates to the technical field of personal care equipment, and discloses a nasal irrigation nozzle assembly and a nasal irrigator, the nasal irrigation nozzle assembly is applied to the nasal irrigator, the nasal irrigation nozzle assembly comprises a spray pipe, a nozzle, a liquid outlet channel and a backflow channel, the spray pipe is used for being communicated with a main machine of the nasal irrigator, the nozzle is arranged on the spray pipe, and the nozzle is used for abutting against a nasal cavity and sealing the nasal cavity. The liquid outlet channel is arranged on the spray pipe or the spray head and used for allowing liquid pumped into the spray pipe by the host to flow out into the nasal cavity, and the backflow channel is arranged on the spray head and used for allowing liquid in the nasal cavity to flow out. By means of the nose washing spray head and the nose washing device, flowing-out liquid cannot be accumulated at the liquid outlet channel, it is guaranteed that the liquid can flow out of the liquid outlet channel, and the washing effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of personal care equipment, in particular to a nasal washing nozzle assembly and a nasal washing device. Background Art

[0002] As people's awareness of hygiene increases, more and more people choose cleaning devices (such as nasal washers and tooth irrigators) for cleaning, using the liquid flowing out of the nasal washers to improve the degree of cleaning. Taking the nasal washer as an example, the nasal washer uses a nozzle to contact the nasal cavity, and the water outlet of the nozzle can flow atomized liquid into the nasal cavity. After the liquid flows out of the nasal cavity, it can take away the dirt in the nasal cavity and help the nasal cavity restore its normal physiological environment.

[0003] In the related art, when the nozzle contacts the nasal cavity, the nasal cavity outlet is closed, and the outflowing liquid is accumulated at the water outlet of the nozzle, which makes it difficult for the liquid to flow out of the water outlet of the nozzle, resulting in poor cleaning effect. Utility Model Content

[0004] The utility model discloses a nasal washing nozzle assembly and a nasal washing device. The outflowing liquid will not be accumulated at the liquid outlet channel, so that the liquid outlet channel can flow out the liquid, and the washing effect is better.

[0005] In the first aspect, an embodiment of the utility model discloses a nasal wash nozzle assembly, which is applied to a nasal wash device, wherein the nasal wash device has a main unit, and the nasal wash nozzle assembly includes a nozzle and a nozzle, wherein the nozzle is used to communicate with the main unit, and the nozzle is used to receive liquid pumped out by the main unit, and the nozzle is arranged on the nozzle, and one of the nozzle and the nozzle is provided with a liquid outlet channel, and the liquid outlet channel is used to flow out the liquid in the nozzle into the nasal cavity, and the nozzle is provided with a reflux channel, and the reflux channel is used to allow the liquid in the nasal cavity to flow out.

[0006] As an optional implementation, in an embodiment of the utility model, the nasal wash nozzle assembly further includes a spray core, which is disposed in the spray pipe and is used to make the liquid flow out of the liquid outlet channel in a mist form.

[0007] As an optional implementation, in the embodiment of the utility model, when the spray head is against the nostril, the liquid outlet channel and the reflux channel are both connected to the nasal cavity.

[0008] As an optional implementation, in the embodiment of the utility model, the spray head includes a main body and an abutment portion arranged on the peripheral side of the main body, and the abutment portion is used to abut against the nasal cavity and close the nostrils.

[0009] As an optional implementation, in an embodiment of the present utility model, the liquid outlet channel is connected to the reflux channel, or the liquid outlet channel is not connected to the reflux channel.

[0010] As an optional implementation, in an embodiment of the utility model, the flow area of ​​the liquid outlet channel is larger than the flow area of ​​the reflux channel.

[0011] As an optional implementation, in an embodiment of the present utility model, the liquid outlet channel is connected to the reflux channel, and the amount of liquid sprayed from the liquid outlet channel is greater than the amount of liquid directly flowing into the reflux channel.

[0012] As an optional implementation, in an embodiment of the utility model, the liquid outlet channel is provided on the nozzle, and the range of the liquid sprayed from the nozzle is covered by the liquid outlet channel.

[0013] As an optional implementation, in an embodiment of the utility model, the liquid outlet channel is arranged on the nozzle, and the liquid outlet channel includes a first end and a second end relative to each other, the first end is connected to the nozzle, and the second end is located on the outer surface of the nozzle, and the connection position between the reflux channel and the liquid outlet channel is closer to the second end than the first end.

[0014] As an optional implementation, in an embodiment of the utility model, the liquid outlet channel is not connected to the reflux channel, and the opening of the liquid outlet channel for the liquid to flow out and the opening of the reflux channel for the liquid to flow in are both located on the outer surface of the nozzle, and the distance between the two is no more than 8 mm.

[0015] As an optional embodiment, in an embodiment of the utility model, one end of the nozzle is used to communicate with the main unit so that the main unit can pump liquid into the nozzle, and the other end of the nozzle has a water outlet, which is used to flow out the liquid in the nozzle, and the nozzle is arranged at the other end of the nozzle, and the liquid outlet channel is arranged at the end of the nozzle away from the nozzle and is connected to the water outlet of the nozzle, one end of the reflux channel is connected to the liquid outlet channel, and the other end of the reflux channel extends through the nozzle.

[0016] As an optional implementation, in the embodiment of the utility model, the nozzle includes a main body and an extension part, the main body is arranged at the other end of the nozzle, the extension part is arranged around the main body, and one end of the extension part is connected to the main body, and the other end of the extension part is spaced apart from the main body;

[0017] The liquid outlet channel is arranged at one end of the main body away from the nozzle, the reflux channel is arranged in the main body, and the other end of the reflux channel extends through the interval space between the main body and the extension part.

[0018] As an optional implementation, in an embodiment of the present utility model, one end of the reflux channel extends through the main body to the liquid outlet channel to communicate with the liquid outlet channel.

[0019] As an optional embodiment, in an embodiment of the utility model, the liquid outlet channel has a first end and a second end, the first end is connected to the water outlet of the nozzle, and the second end is used for allowing the liquid to flow out into the nasal cavity, and the side wall of the liquid outlet channel is inclined so that the flow area of ​​the first end is smaller than the flow area of ​​the second end.

[0020] As an optional implementation, in the embodiment of the utility model, the liquid outlet angle of the water outlet of the nozzle is α, the length of the liquid outlet channel along the axial direction of the water outlet is L, and the radius of the second end is d, d≥L*tan(α / 2); and / or,

[0021] The liquid outlet angle α of the water outlet of the nozzle is not greater than 60°.

[0022] As an optional implementation, in an embodiment of the utility model, the flow area of ​​the water outlet of the nozzle is less than or equal to the flow area of ​​the liquid outlet channel, and / or the flow area of ​​the liquid outlet channel is greater than or equal to the flow area of ​​the return channel.

[0023] As an optional implementation, in the embodiment of the utility model, the nozzle includes a main body and an extension part, the main body is arranged on the nozzle, the extension part is arranged around the main body, and one end of the extension part is connected to the main body, and the other end of the extension part is spaced apart from the main body;

[0024] The liquid outlet channel is arranged at one end of the main body away from the nozzle, the reflux channel is arranged in the extension part, and one end of the reflux channel extends through to the side of the extension part away from the nozzle, and the other end of the reflux channel extends through to the interval space between the main body and the extension part.

[0025] As an optional embodiment, in an embodiment of the utility model, the two ends of the reflux channel respectively have a liquid inlet and a liquid outlet, the liquid inlet is used to receive the liquid in the nasal cavity, the flow area of ​​the liquid inlet is less than or equal to the flow area of ​​the reflux channel, and the liquid outlet is used to allow the liquid in the reflux channel to flow out.

[0026] As an optional implementation, in the embodiment of the utility model, the nozzle is provided with a plurality of reflux channels, and the plurality of reflux channels are evenly spaced around a circumference of the liquid outlet channel.

[0027] In a second aspect, an embodiment of the utility model discloses a nasal wash device, comprising a main unit and the nasal wash nozzle assembly of the first aspect, wherein the nozzle is connected to the main unit.

[0028] As an optional implementation, in an embodiment of the utility model, the projection of the outlet of the reflux channel for outflowing the liquid on the first plane is located within the projection of the host on the first plane, and the first plane is perpendicular to the height direction of the host.

[0029] Compared with the prior art, the embodiments of the present invention have at least the following beneficial effects:

[0030] In the embodiment of the utility model, the nozzle is connected to the main unit of the nasal washer through the nozzle, the main unit can pump liquid into the nozzle, and the nozzle is provided with a nozzle, the nozzle is used to abut against the nasal cavity and close the nasal cavity, the liquid outlet channel provided in the nozzle or the nozzle can make the liquid pumped into the nozzle by the main unit flow out into the nasal cavity, so as to clean the nasal cavity, and the nozzle can close the nasal cavity during cleaning, so that the liquid acts on the nasal cavity as much as possible, improves the utilization rate of the liquid, and has a better cleaning effect. At the same time, a reflux channel is provided in the nozzle, and the reflux channel can be used for the liquid in the nasal cavity to flow out, so as to achieve pressure relief in the nasal cavity. In this way, it can be avoided that the liquid in the nasal cavity cannot be discharged in time, resulting in the accumulation of liquid at the liquid outlet channel, and it is ensured that the liquid outlet channel can flow out the liquid, and the cleaning effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this technical field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 It is a structural schematic diagram of a nasal wash nozzle assembly disclosed in an embodiment of the utility model;

[0033] Figure 2 It is a schematic cross-sectional structure diagram of a nasal wash nozzle assembly disclosed in an embodiment of the utility model;

[0034] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure at position I in the middle;

[0035] Figure 4 It is a structural schematic diagram of a nozzle disclosed in an embodiment of the utility model;

[0036] Figure 5 It is a schematic cross-sectional structure diagram of another nozzle (the liquid outlet channel and the return channel are not connected) disclosed in an embodiment of the utility model;

[0037] Figure 6 yes Figure 5 A schematic diagram of the structure of another nozzle;

[0038] Figure 7 yes Figure 4 A schematic diagram of a cross-sectional structure of a nozzle;

[0039] Figure 8 It is a structural schematic diagram of the nasal washing nozzle assembly (the nozzle part is cut away) disclosed in an embodiment of the utility model from another perspective;

[0040] Fig. 9 It is a structural schematic diagram of a nasal washer disclosed in an embodiment of the utility model;

[0041] Fig.10 It is a structural schematic diagram of a nasal washer disclosed in an embodiment of the utility model projected on a first plane.

[0042] Description of main reference numerals

[0043] 100, nasal wash nozzle assembly; 10, nozzle; 10a, water outlet; 11, nozzle; 111, main body; 112, extension; 11a, spacing space; 11b, abutment portion; 12, liquid outlet channel; 12a, first end; 12b, second end; 13, reflux channel; 13a, liquid inlet; 13b, liquid outlet; 14, spray core; 14a, spray hole; 200, nasal wash device; 20, host; x, height direction; γ, first plane; o, axis. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] In the present invention, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0046] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this utility model can be understood according to specific circumstances.

[0047] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0048] In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0049] The utility model discloses a nasal washing nozzle assembly and a nasal washing device. The outflowing liquid will not be accumulated at the liquid outlet channel, so that the liquid outlet channel can flow out the liquid, and the washing effect is better.

[0050] Please also read Figure 1 and Figure 2 , which is a structural schematic diagram of a nasal wash nozzle assembly 100 provided in an embodiment of the utility model. The nasal wash nozzle assembly 100 is applied to a nasal wash device. The nasal wash nozzle assembly 100 includes a nozzle 10, a nozzle 11, a liquid outlet channel 12 and a reflux channel 13. The nozzle 10 is used to communicate with the host of the nasal wash device. The nozzle 11 is arranged on the nozzle 10, and the nozzle 11 is used to abut against the nasal cavity and close the nasal cavity. The liquid outlet channel 12 is arranged on the nozzle 10 or the nozzle 11, and the liquid outlet channel 12 is used for the liquid pumped into the nozzle 10 by the host to flow out into the nasal cavity. The reflux channel 13 is arranged on the nozzle 11, and the reflux channel 13 is used for the liquid in the nasal cavity to flow out.

[0051] This embodiment is connected to the main unit of the nasal washer through the nozzle 10, and the main unit can pump liquid into the nozzle 10, and the nozzle 10 is provided with a nozzle 11, and the nozzle 11 is used to abut against and close the nasal cavity, and the liquid outlet channel 12 provided in the nozzle 10 or the nozzle 11 can make the liquid pumped into the nozzle 10 by the main unit flow out into the nasal cavity, thereby cleaning the nasal cavity, and the nozzle 11 can close the nasal cavity during cleaning, so that the liquid acts on the nasal cavity as much as possible, improves the utilization rate of the liquid, and has a better cleaning effect. At the same time, a reflux channel 13 is provided in the nozzle 11, and the reflux channel 13 can be used for the liquid in the nasal cavity to flow out, so as to achieve pressure relief in the nasal cavity. In this way, it can be avoided that the liquid in the nasal cavity cannot be discharged in time, resulting in the accumulation of liquid at the liquid outlet channel 12, and it is ensured that the liquid can flow out of the liquid outlet channel 12, and the cleaning effect is better.

[0052] Optionally, the nozzle 11 is connected to the nozzle pipe 10 by interference fit. In this way, on the one hand, the connection strength between the nozzle 11 and the nozzle pipe 10 can be improved. On the other hand, by adopting the interference fit, the nozzle 11 and the nozzle pipe 10 are tightly connected and have good sealing performance, which can prevent liquid from leaking from the connection between the nozzle 11 and the nozzle pipe 10.

[0053] Optionally, the liquid outlet channel 12 is connected to the reflux channel 13 , or the liquid outlet channel 12 is not connected to the reflux channel 13 , which is not specifically limited in this embodiment.

[0054] As an optional implementation, Figure 2 and Figure 3 As shown, the liquid outlet channel 12 is connected to the reflux channel 13. Specifically, one end of the nozzle 10 is used to communicate with the main unit so that the main unit can pump liquid into the nozzle 10. The other end of the nozzle 10 has a water outlet 10a, which is used to flow out the liquid in the nozzle 10. The nozzle 11 is provided at the other end of the nozzle 10. The liquid outlet channel 12 is provided at the end of the nozzle 11 away from the nozzle 10 and is connected to the water outlet 10a of the nozzle 10. One end of the reflux channel 13 is connected to the liquid outlet channel 12, and the other end of the reflux channel 13 extends through the nozzle 11. In this way, the main unit pumps liquid into the nozzle 10 through one end of the nozzle 10, and the liquid flows out from the water outlet 10a at the other end of the nozzle 10 to the liquid outlet channel 12. The liquid pumped into the nozzle 10 can flow out from the liquid outlet channel 12 and clean the nasal cavity. In addition, the liquid in the nasal cavity can flow to the reflux channel 13 and be discharged through the reflux channel 13 to achieve pressure relief, thereby preventing the liquid from being accumulated in the liquid outlet channel 12 .

[0055] For example, Figure 3 and Figure 4As shown, the nozzle 11 includes a main body 111 and an extension 112, the main body 111 is arranged at the other end of the nozzle 10, the extension 112 is arranged around the main body 111, and one end of the extension 112 is connected to the main body 111, and the other end of the extension 112 is spaced apart from the main body 111, the liquid outlet channel 12 is arranged at the end of the main body 111 away from the nozzle 10, the reflux channel 13 is arranged at the main body 111, and the other end of the reflux channel 13 extends through the interval space 11a between the main body 111 and the extension 112. In this way, on the one hand, the main body 111 is arranged at the nozzle 10, and the liquid outlet channel 12 is arranged at the end of the main body 111 away from the nozzle 10, so that the liquid outlet channel 12 can flow out the liquid pumped into the nozzle 10. On the other hand, the extension portion 112 is arranged around the main body 111, and one end of the extension portion 112 is connected to the main body 111, and the other end is spaced apart from the main body 111. The other end of the reflux channel 13 provided in the main body 111 penetrates into the interval space 11a between the main body 111 and the extension portion 112. The liquid refluxed through the reflux channel 13 in the nasal cavity can flow to the interval between the main body 111 and the extension portion 112 to be discharged from the reflux channel 13.

[0056] Optionally, when the nozzle 11 is against the nostril, the liquid outlet channel 12 and the reflux channel 13 are both connected to the nasal cavity. In this way, the liquid can flow into the nasal cavity from the liquid outlet channel 12, and the liquid in the nasal cavity can be discharged from the reflux channel 13, avoiding the situation that the liquid flows out from the gap between the nozzle 11 and the nostril.

[0057] For example, Figure 1 As shown, the nozzle 11 includes a main body 111 and a contact portion 11b arranged on the peripheral side of the main body 111. The contact portion 11b is arranged around the main body 111 and is inclined. The contact portion 11b is used to contact with the nasal cavity and close the nasal cavity. In this way, on the one hand, the contact portion 11b arranged around the main body 111 and the nasal cavity can be contacted to improve the stability of the contact between the nozzle 11 and the nasal cavity. On the other hand, the contact portion 11b can close the nostrils to prevent the liquid from flowing out from the gap between the nozzle 11 and the nostrils.

[0058] Optionally, one end of the reflux channel 13 extends through the main body 111 to the liquid outlet channel 12 to communicate with the liquid outlet channel 12. In this way, by extending one end of the reflux channel 13 through the main body 111 to the liquid outlet channel 12, one end of the reflux channel 13 can be directly communicated with the liquid outlet channel 12, and the liquid in the nasal cavity can flow to the reflux channel 13 through the liquid outlet channel 12. When the liquid pressure at the liquid outlet channel 12 is relatively high, the reflux channel 13 can quickly flow out the liquid at the liquid outlet channel 12 to achieve rapid pressure relief, thereby avoiding the accumulation of liquid at the liquid outlet channel 12.

[0059] In some embodiments, Figure 3 As shown, the liquid outlet channel 12 has a first end 12a and a second end 12b, the first end 12a is connected to the water outlet 10a of the nozzle 10, and the second end 12b is used for liquid to flow out into the nasal cavity, and the side wall of the liquid outlet channel 12 is inclined so that the flow area of ​​the first end 12a is smaller than the flow area of ​​the second end 12b. In this way, by setting the side wall of the liquid outlet channel 12 inclined so that the flow area of ​​the first end 12a is smaller than the flow area of ​​the second end 12b, the liquid outlet channel 12 is roughly trumpet-shaped, conical, or cylindrical, which can reduce the risk of the liquid flowing out of the nozzle 10 hitting the side wall of the liquid outlet channel 12 as much as possible, and reduce the situation where the liquid directly flows back and cannot flow out from the second end 12b of the liquid outlet channel 12.

[0060] Optionally, the second end 12b of the liquid outlet channel 12 is located on the outer surface of the nozzle 11, and the connection position of the reflux channel 13 and the liquid outlet channel 12 is closer to the second end 12b than the first end 12a. In this way, when the liquid sprayed from the nozzle 10 flows to the first end 12a of the liquid outlet channel 12, the connection position of the reflux channel 13 and the liquid outlet channel 12 is far away from the first end 12a, which can prevent the liquid from directly flowing from the connection position of the reflux channel 13 and the liquid outlet channel 12 to the reflux channel 13, and the connection position of the reflux channel 13 and the liquid outlet channel 12 is close to the second end 12b, so that the liquid in the nasal cavity can enter the reflux channel 13 through the second end 12b of the liquid outlet channel 12, so as to facilitate the discharge of the liquid in the nasal cavity.

[0061] As another optional implementation, Figure 5 and Figure 6 As shown, the liquid outlet channel 12 is not connected to the reflux channel 13, and the opening (second end 12b) of the liquid outlet channel 12 for liquid outflow and the opening (liquid inlet 13a) of the reflux channel 13 for liquid inflow are both located on the outer surface of the nozzle 11, and the distance t between the two is not greater than 8 mm. In this way, when the nozzle 11 is against the nostril, the opening (second end 12b) of the liquid outlet channel 12 for liquid outflow and the opening of the reflux channel 13 for liquid inflow can be covered by one nostril, and the liquid flowing out of the liquid outlet channel 12 into the nostril can flow out from the reflux channel 13.

[0062] Among them, the spacing t can be 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, etc., and this embodiment does not make any specific limitation to this.

[0063] Preferably, the distance t between the opening (the second end 12b) of the liquid outlet channel 12 for liquid outflow and the opening (the liquid inlet 13a) of the reflux channel 13 for liquid inflow is not greater than 4 mm.

[0064] For example, Figure 7 As shown, Figure 7 The arrow p in the figure indicates the path of the liquid flowing out of the water outlet 10a of the nozzle 10. The liquid outlet angle of the water outlet 10a of the nozzle 10 is α, the length of the liquid outlet channel 12 along the axis o of the water outlet 10a is L, and the radius of the second end 12b is d, where d≥L*tan(α / 2). In this way, if the liquid outlet angle of the water outlet 10a of the nozzle 10 is α, when the liquid flows out of the water outlet 10a of the nozzle 10, as it moves away from the water outlet 10a, the liquid gradually moves away from the axis o of the water outlet 10a. If d=L*tan(α / 2), when the liquid reaches the position of the second end 12b, the distance from the axis o of the water outlet 10a is exactly equal to the radius d of the second end 12b. The liquid flowing out of the nozzle 10 will not hit the liquid outlet channel 12, causing the liquid to directly flow back, and cannot flow out from the second end 12b of the liquid outlet channel 12. Therefore, by satisfying d≥L*tan(α / 2), it can be ensured that the liquid flowing out of the nozzle 10 will not hit the side wall of the liquid outlet channel 12, thereby preventing the liquid from directly flowing back and failing to flow out from the second end 12 b of the liquid outlet channel 12.

[0065] Optionally, the outlet angle α of the water outlet 10a of the nozzle 10 is not greater than 60°. In this way, the outlet angle α of the water outlet 10a is small, which can prevent the liquid flowing out of the water outlet 10a of the nozzle 10 from hitting the side wall of the liquid outlet channel 12.

[0066] In some embodiments, the flow area of ​​the water outlet 10a of the nozzle 10 is less than or equal to the flow area of ​​the liquid outlet channel 12. In this way, the flow area of ​​the water outlet 10a of the nozzle 10 is less than or equal to the flow area of ​​the liquid outlet channel 12, and the liquid flowing out of the water outlet 10a of the nozzle 10 can be efficiently discharged from the liquid outlet channel 12, avoiding the accumulation of liquid in the liquid outlet channel 12, and the liquid flows more stably and smoothly.

[0067] Optionally, the flow area of ​​the liquid outlet channel 12 is greater than or equal to the flow area of ​​the reflux channel 13. In this way, when the liquid flowing out of the liquid outlet channel 12 cleans the nasal cavity, a large amount of liquid enters the nasal cavity, while a small amount of liquid flows back and discharged through the reflux channel 13, which can ensure that there is always enough liquid to clean the nasal cavity, thereby improving the cleaning effect.

[0068] In some embodiments, the liquid outlet channel 12 is connected to the return channel 13, and the amount of liquid sprayed from the liquid outlet channel 12 is greater than the amount of liquid directly flowing into the return channel 13. In this way, the amount of liquid sprayed from the liquid outlet channel 12 is large, while the amount of liquid directly flowing into the return channel 13 is small, which effectively ensures that a sufficient amount of liquid is used to clean the nasal cavity, and the cleaning effect is better.

[0069] Optionally, the liquid outlet channel 12 is provided at the nozzle 11, and the range of the liquid sprayed from the nozzle 10 is covered by the liquid outlet channel 12. In this way, the liquid sprayed from the nozzle 10 is covered by the liquid outlet channel 12, and the liquid sprayed from the nozzle 10 does not hit the side wall of the liquid outlet channel 12, thereby preventing the liquid from directly flowing into the reflux channel 13 after hitting the side wall of the liquid outlet channel 12.

[0070] In some embodiments, the nozzle 11 includes a main body 111 and an extension portion 112, the main body 111 is disposed on the nozzle 10, the extension portion 112 is disposed around the main body 111, and one end of the extension portion 112 is connected to the main body 111, and the other end of the extension portion 112 is spaced apart from the main body 111, the liquid outlet channel 12 is disposed at an end of the main body 111 away from the nozzle 10, the reflux channel 13 is disposed in the extension portion 112, and one end of the reflux channel 13 extends through to the side of the extension portion 112 away from the nozzle 10, and the other end of the reflux channel 13 extends through to the interval space 11a between the main body 111 and the extension portion 112. In this way, on the one hand, the liquid outlet channel 12 is arranged at the end of the main body 111 away from the nozzle 10, and the reflux channel 13 is arranged at the extension part 112. The reflux channel 13 is located on the peripheral side of the liquid outlet channel 12, and the reflux channel 13 is not directly connected to the liquid outlet channel 12, which can prevent the liquid flowing out of the liquid outlet channel 12 from directly flowing back and being discharged through the reflux channel 13, resulting in a poor effect of cleaning the nasal cavity. On the other hand, the extension part 112 is arranged around the main body 111, and one end of the extension part 112 is connected to the main body 111, and the other end is spaced from the main body 111. The other end of the reflux channel 13 arranged in the main body 111 passes through the interval space 11a between the main body 111 and the extension part 112. The liquid in the nasal cavity that flows back through the reflux channel 13 can flow to the interval between the main body 111 and the extension part 112 to be discharged from the reflux channel 13.

[0071] Exemplarily, the two ends of the reflux channel 13 respectively have a liquid inlet 13a and a liquid outlet 13b, the liquid inlet 13a is used to receive the liquid in the nasal cavity, the flow area of ​​the liquid inlet 13a is less than or equal to the flow area of ​​the reflux channel 13, and the liquid outlet 13b is used to allow the liquid in the reflux channel 13 to flow out. In this way, the flow area of ​​the liquid inlet 13a is less than or equal to the flow area of ​​the reflux channel 13, and the liquid entering the reflux channel 13 through the liquid inlet 13a can quickly flow out of the reflux channel 13, thereby improving the efficiency of the reflux channel 13 in providing the liquid in the nasal cavity with reflux and discharge.

[0072] Alternatively, if Figure 8As shown, the nozzle 11 is provided with a plurality of reflux channels 13, and the plurality of reflux channels 13 are evenly spaced around the liquid outlet channel 12. Thus, by providing a plurality of reflux channels 13, the efficiency of reflux discharge of the liquid in the nasal cavity through the reflux channels 13 is high, and the plurality of reflux channels 13 are evenly spaced around the liquid outlet channel 12, so that the reflux discharge of the liquid is relatively uniform.

[0073] In some embodiments, the nasal wash nozzle assembly 100 further includes a spray core 14, which is disposed in the nozzle 10, and is used to make the liquid flow out of the liquid outlet channel 12 in a mist form. In this way, by arranging the spray core 14 in the nozzle 10, the spray core 14 can make the liquid flow out of the nozzle 10 to the liquid outlet channel 12 in a mist form, and the liquid outlet channel 12 can flow out the mist-like liquid, thereby improving the cleaning effect of the liquid on the nasal cavity. Specifically, the atomized water flow can be sprayed slowly and over a large area into the nasal cavity, while slowing down the accumulation of water volume and water pressure in the nasal cavity, so that the liquid sprayed into the nasal cavity can flow out slowly and gradually from the reflux channel 13, and the situation of water backflowing back to the liquid outlet channel 12 will not occur due to excessive pressure.

[0074] As an optional embodiment, the spray core 14 is provided with a spray hole 14a, and the spray hole 14a is located at the center of the spray core 14. In this way, the liquid flowing out through the spray hole 14a is in a mist form and can be evenly dispersed from the center of the spray core 14. The mist liquid flows out into the nasal cavity through the liquid outlet channel 12, which can clean the nasal cavity more evenly and has a better cleaning effect.

[0075] As another optional embodiment, the spray core 14 is provided with a plurality of spray holes 14a, and the plurality of spray holes 14a are distributed in a circular array at the center of the spray core 14. In this way, the liquid flowing out through the plurality of spray holes 14a is in a mist state, and the liquid flowing out through the plurality of spray holes 14a can be evenly dispersed at the center of the spray core 14 after converging, and the mist-like liquid flows out into the nasal cavity through the liquid outlet channel 12, so that the nasal cavity can be cleaned more evenly, and the cleaning effect is better.

[0076] It can be seen that this embodiment provides a variety of ways to set the spray hole 14a on the spray core 14, which can be selected according to actual conditions, and this embodiment does not make any specific limitations on this.

[0077] Optionally, the spray head 11 is configured in a cylindrical or conical shape. In this way, by configuring the spray head 11 in a cylindrical or conical shape, the shape of the spray head 11 can match the nasal cavity, making it easy to place the spray head 11 against the nasal cavity and use the spray head 11 to close the nasal cavity. In particular, when the spray head 11 is in a conical shape, the two ends of the spray head 11 are of different sizes, and the smaller end can partially extend into the nasal cavity, so that the liquid outlet channel 12 can directly flow liquid into the nasal cavity, while avoiding the spray head 11 from contacting the nasal cavity and causing discomfort, while the larger end is located outside the nasal cavity and closes the nasal cavity.

[0078] Exemplarily, the material of the nozzle 11 is hard rubber or soft rubber. In this way, the nozzle 11 is made of skin-friendly materials such as hard rubber or soft rubber, and when the nozzle 11 is against the nasal cavity, it is more comfortable and can improve the user experience.

[0079] Optionally, the riser 14 is connected to the nozzle 10 by interference fit. In this way, on the one hand, the connection strength between the riser 14 and the nozzle 10 can be improved. On the other hand, the riser 14 and the nozzle 10 are tightly connected by interference fit, and the sealing performance is better, which can prevent the liquid from flowing from the connection between the riser 14 and the nozzle 10 to the nozzle 11 and forming a mist of liquid without the action of the riser 14.

[0080] See also Fig. 9 , is a schematic diagram of the structure of a nasal washer 200 provided in an embodiment of the utility model, wherein the nasal washer 200 comprises a host 20 and a nasal washer nozzle assembly 100 of an embodiment, and a nozzle 10 is connected to the host 20 .

[0081] For example, Fig.10 As shown, the projection of the liquid outlet 13b of the reflux channel 13 for outflowing liquid on the first plane γ is located within the projection of the host 20 on the first plane γ, and the first plane γ is perpendicular to the height direction x of the host 20. In this way, the projection of the liquid outlet 13b on the first plane γ is located within the projection of the host 20 on the first plane γ, and when the liquid in the nasal cavity flows back and is discharged through the reflux channel 13, the discharge direction of the liquid is clear, and the liquid is discharged from the reflux channel 13 from the liquid outlet 13b and drips within the range of the host 20, which can prevent the liquid from splashing around after being discharged from the reflux channel 13 and soiling the user's body and clothes.

[0082] in, Fig.10 The dotted line in the figure represents the horizontal plane γ, and the dotted line represents the projection of the nasal wash nozzle assembly 100 and the host 20 on the horizontal plane γ. Fig.10 The projection of the nasal wash nozzle assembly 100 on the horizontal plane γ is located within the projection of the host 20 on the horizontal plane γ, and the projection of the liquid outlet 13b of the reflux channel 13 of the nasal wash nozzle assembly 100 on the horizontal plane γ is located within the projection of the host 20 on the horizontal plane γ.

[0083] The embodiment of the utility model provides a nasal washing nozzle assembly 100 and a nasal washing device 200, which are connected to the main unit 20 of the nasal washing device 200 through a nozzle 10, and the main unit 20 can pump liquid into the nozzle 10, and the nozzle 10 is provided with a nozzle 11, and the nozzle 11 is used to abut against and close the nasal cavity, and the liquid outlet channel 12 provided in the nozzle 10 or the nozzle 11 can flow the liquid pumped into the nozzle 10 by the main unit 20 into the nasal cavity, thereby cleaning the nasal cavity, and the nozzle 11 can close the nasal cavity during cleaning, so that the liquid acts on the nasal cavity as much as possible, improves the utilization rate of the liquid, and has a better cleaning effect. At the same time, a reflux channel 13 is provided in the nozzle 11, and the reflux channel 13 can be used for the liquid in the nasal cavity to flow out, so as to achieve pressure relief in the nasal cavity. In this way, it can be avoided that the liquid in the nasal cavity cannot be discharged in time, and the liquid is accumulated at the liquid outlet channel 12, and it is ensured that the liquid can flow out of the liquid outlet channel 12, and the cleaning effect is better.

[0084] The above is a detailed introduction to the nasal wash nozzle assembly and nasal wash device disclosed in the embodiments of the present invention. This article uses individual examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the nasal wash nozzle assembly and nasal wash device of the present invention and their core ideas; at the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scopes. In addition, the above-mentioned specific implementation methods can be combined or selected. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A nasal wash nozzle assembly, characterized in that: Applicable to a nasal washer, the nasal washer has a main unit, and the nasal washer nozzle assembly includes: a nozzle, the nozzle being connected to the main machine and receiving the liquid pumped out by the main machine; and The nozzle is arranged on the nozzle pipe, and one of the nozzle and the nozzle pipe is provided with a liquid outlet channel, and the liquid outlet channel is used to flow out the liquid in the nozzle pipe into the nasal cavity, and the nozzle is provided with a reflux channel, and the reflux channel is used to allow the liquid in the nasal cavity to flow out.

2. The nasal wash nozzle assembly according to claim 1, characterized in that: The nasal wash nozzle assembly also includes a spray core, which is arranged in the spray pipe and is used to make the liquid flow out of the liquid outlet channel in a mist form.

3. The nasal wash nozzle assembly according to claim 1, characterized in that: When the spray head is against the nostril, the liquid outlet channel and the reflux channel are both communicated with the nasal cavity.

4. The nasal wash nozzle assembly according to claim 3, characterized in that: The spray head comprises a main body and a contact portion arranged on the peripheral side of the main body, the contact portion is arranged obliquely around the periphery of the main body, and the contact portion is used to abut against the nasal cavity and close the nostril.

5. The nasal wash nozzle assembly according to claim 1, characterized in that: The liquid outlet channel is connected to the reflux channel, or the liquid outlet channel is not connected to the reflux channel.

6. The nasal wash nozzle assembly according to claim 5, characterized in that: The flow area of ​​the liquid outlet channel is larger than the flow area of ​​the reflux channel.

7. The nasal wash nozzle assembly according to claim 1, characterized in that: The liquid outlet channel is communicated with the reflux channel, and the amount of liquid sprayed out from the liquid outlet channel is greater than the amount of liquid directly flowing into the reflux channel.

8. The nasal wash nozzle assembly according to claim 7, characterized in that: The liquid outlet channel is provided on the nozzle, and the range of the liquid sprayed from the nozzle is covered by the liquid outlet channel.

9. The nasal wash nozzle assembly according to claim 7, characterized in that: The liquid outlet channel is arranged on the nozzle, and the liquid outlet channel includes a first end and a second end opposite to each other, the first end is connected to the nozzle, and the second end is located on the outer surface of the nozzle, and the connection position between the reflux channel and the liquid outlet channel is closer to the second end than the first end.

10. The nasal wash nozzle assembly according to claim 1, characterized in that: The liquid outlet channel is not connected to the reflux channel, and the opening of the liquid outlet channel for the liquid to flow out and the opening of the reflux channel for the liquid to flow in are both located on the outer surface of the nozzle, and the distance between the two is no more than 8 mm.

11. The nasal wash nozzle assembly according to claim 1, characterized in that: One end of the nozzle is used to communicate with the main unit so that the main unit can pump liquid into the nozzle. The other end of the nozzle has a water outlet, and the water outlet is used to flow out the liquid in the nozzle. The nozzle is arranged at the other end of the nozzle, and the liquid outlet channel is arranged at the end of the nozzle away from the nozzle and is connected to the water outlet of the nozzle. One end of the reflux channel is connected to the liquid outlet channel, and the other end of the reflux channel extends through the nozzle.

12. The nasal wash nozzle assembly according to claim 11, characterized in that: The nozzle includes a main body and an extension part, wherein the main body is arranged at the other end of the nozzle, the extension part is arranged around the main body, one end of the extension part is connected to the main body, and the other end of the extension part is arranged at a distance from the main body; The liquid outlet channel is arranged at one end of the main body away from the nozzle, the reflux channel is arranged in the main body, and the other end of the reflux channel extends through the interval space between the main body and the extension part.

13. The nasal wash nozzle assembly according to claim 12, characterized in that: One end of the reflux channel extends through the main body to the liquid outlet channel to communicate with the liquid outlet channel.

14. The nasal wash nozzle assembly according to claim 11, characterized in that: The liquid outlet channel has a first end and a second end, the first end is connected to the water outlet of the nozzle, and the second end is used for the liquid to flow out into the nasal cavity. The side wall of the liquid outlet channel is inclined so that the flow area of ​​the first end is smaller than the flow area of ​​the second end.

15. The nasal wash nozzle assembly according to claim 14, characterized in that: The outlet angle of the water outlet of the nozzle is α, the length of the outlet channel along the axial direction of the water outlet is L, the radius of the second end is d, d≥L*tan(α / 2); and / or, The liquid outlet angle α of the water outlet of the nozzle is not greater than 60°.

16. The nasal wash nozzle assembly according to claim 11, characterized in that: The flow area of ​​the water outlet of the nozzle is smaller than or equal to the flow area of ​​the liquid outlet channel, and / or the flow area of ​​the liquid outlet channel is larger than or equal to the flow area of ​​the reflux channel.

17. The nasal wash nozzle assembly according to claim 1, characterized in that: The nozzle includes a main body and an extension part, wherein the main body is arranged on the nozzle, and the extension part is arranged around the main body, and one end of the extension part is connected to the main body, and the other end of the extension part is arranged at a distance from the main body; The liquid outlet channel is arranged at one end of the main body away from the nozzle, the reflux channel is arranged in the extension part, and one end of the reflux channel extends through to the side of the extension part away from the nozzle, and the other end of the reflux channel extends through to the interval space between the main body and the extension part.

18. The nasal wash nozzle assembly according to any one of claims 1 to 17, characterized in that: The two ends of the reflux channel respectively have a liquid inlet and a liquid outlet, the liquid inlet is used to receive the liquid in the nasal cavity, the flow area of ​​the liquid inlet is less than or equal to the flow area of ​​the reflux channel, and the liquid outlet is used to allow the liquid in the reflux channel to flow out.

19. The nasal wash nozzle assembly according to any one of claims 1 to 17, characterized in that: The nozzle is provided with a plurality of reflux channels, and the plurality of reflux channels are arranged at intervals around the liquid outlet channel.

20. A nasal washer, characterized in that: It comprises a host and a nasal wash nozzle assembly as described in any one of claims 1 to 19, wherein the nozzle is connected to the host.

21. The nasal washer according to claim 20, characterized in that The projection of the liquid outlet of the reflux channel for outflowing the liquid on the first plane is located within the projection of the host on the first plane, and the first plane is perpendicular to the height direction of the host.

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