Nozzle and oral irrigator

Abstract

The utility model is suitable for the technical field of tooth cleaning, and discloses a nozzle and a water pick, which comprise a spray rod and a spray head, one end of the spraying flow channel is a water inlet communicated with the spraying rod, and the other end of the spraying flow channel is a water outlet; an abutting assembly abutting against the teeth is arranged on the spray head, the face, abutting against the teeth, of the abutting assembly is an abutting face, the water outlet is formed in the abutting face, the portion, on one side of the water outlet, of the abutting face is provided with a first protruding part which starts from the abutting face and extends in the direction away from the abutting face, and the first protruding part is used for being clamped in a gap between the roots of the adjacent teeth. The water spraying direction of the water outlet is aligned with gaps between adjacent teeth; the nozzle positioning function is achieved, and high-speed water flow can be accurately sprayed into slits between teeth; secondly, when part of the high-speed water flow is sprayed to the gingiva, the high-speed water flow can be blocked by the first protruding part and cannot directly impact the gingiva, and the effect of protecting the gingiva is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooth cleaning technical field especially, relate to a nozzle and oral irrigator. BACKGROUND

[0002] In recent years, with the improvement of people's living standards, people's attention to oral health is also rising, and various types of oral care products are constantly innovating. Among them, oral irrigator is concerned due to its better cleaning performance on tooth surface, gingival groove and interdental space. As people know, high-pressure water gun can easily wash the car, and water flow with appropriate pressure has been proven to effectively clean people's teeth and oral cavity. The cleaning effect of oral irrigator is mainly realized by the impact force of high-speed water column sprayed under a certain pressure.

[0003] When people use oral irrigator, it is often unavoidable to directly spray high-speed water flow from oral irrigator to gingiva, which may cause gingival bleeding and other problems over a long period of time, especially when the functional aid in the water flow contains hard particles as the main component, which may damage the gums and lack protection for the gums. SUMMARY

[0004] The utility model solves the technical problem, provides a nozzle and oral irrigator.

[0005] The utility model adopts the technical scheme in the solution to its technical problems: the spray head is provided with a through spray channel, one end of the spray channel is a water inlet for connecting the cleaning water flow, and the other end of the spray channel is a water outlet; the spray head abuts against the teeth, one side of the spray head abutting against the teeth is an abutting surface, the water outlet is arranged on the abutting surface, the abutting surface is provided with a first protruding part extending away from the abutting surface on one side of the water outlet, the first protruding part is used for abutting in the gap between the adjacent tooth roots, and the water outlet is aligned with the gap between the adjacent teeth.

[0006] In some embodiments, the abutting surface is provided with a second protruding part symmetrically arranged with the first protruding part with the water outlet as the center.

[0007] In some embodiments, the diameter of the first protruding part and the second protruding part away from the abutting surface is less than or equal to the size of the gap between the adjacent tooth roots.

[0008] In some embodiments, the cross-sectional area of the first protruding part and the second protruding part gradually decreases from the abutting surface.

[0009] In some embodiments, the distance between the first protruding part and the water outlet and the distance between the second protruding part and the water outlet are both less than 12 mm.

[0010] In some embodiments, the water outlet is arranged at the center of the abutting surface, and the first protruding part forms a central section with the water outlet and divides the abutting surface into a first abutting surface and a second abutting surface.

[0011] In some embodiments, the height gradually decreases from the central section to the periphery, and the central section is the highest point.

[0012] In some embodiments, the first abutting surface and the second abutting surface are both concave surfaces, and the concave surfaces of the first abutting surface and the second abutting surface match the shape of adjacent teeth.

[0013] In some embodiments, the first protruding part is elliptical in shape, and the periphery is rounded.

[0014] The utility model also provides a water pick, including the nozzle.

[0015] The utility model discloses a nozzle and a water pick, which have the following beneficial effects: the first protruding part is clamped in the gap of the root of adjacent teeth, plays the role of positioning the nozzle, and high-speed water flow can be accurately sprayed in the tooth gap without being sprayed on the gums due to inaccurate positioning, so that the gums are not damaged. Secondly, when part of the high-speed water flow is sprayed to the gums, the high-speed water flow is blocked by the first protruding part and cannot directly impact the gums, thereby protecting the gums. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0017] Figure 1 is a whole view of a nozzle and a water pick in an embodiment of the utility model;

[0018] Figure 2 is a sectional view of a nozzle and a water pick in an embodiment of the utility model;

[0019] Figure 3 is a nozzle structure view of a nozzle and a water pick in an embodiment of the utility model;

[0020] Figure 4 is a nozzle sectional view of a nozzle and a water pick in an embodiment of the utility model.

[0021] Reference signs

[0022] 100, spray bar; 110, spray channel; 200, spray head; 210, water outlet; 220, first protruding portion; 230, second protruding portion; 240, first abutting surface; 250, second abutting surface; 260, center section. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the drawings. In the following description, it should be understood that the orientation or positional relationship indicated by "upper", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is constructed and operated in a particular orientation, and is only for the convenience of describing the present technical solution, and does not indicate that the device or element referred to must have a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "fixing", "setting", etc. should be interpreted broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there can be one or more intervening elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features with "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Figures 1 to 3A nozzle is shown in an embodiment of the utility model, this nozzle and oral irrigator can be used for preventing gum from being damaged by high speed water flow, it can include spray head 200;The spray head 200 is equipped with the spray channel 110 of penetration, the spray channel 110 one end is the water inlet of access washing water flow, the spray channel 110 other end is the water outlet 210;The spray head 200 is in abutment with tooth, the side of the spray head 200 in abutment with tooth is abutment surface, the water outlet 210 is arranged on the abutment surface, the abutment surface is equipped with the first protruding portion 220 extending from the abutment surface to the direction away from the abutment surface on the side of the water outlet 210, the first protruding portion 220 is used in abutment in the gap between adjacent tooth root, the water outlet 210 water spraying direction is aligned with the gap between adjacent teeth.By the first protruding portion 220 clamping in the gap between adjacent tooth root, play the role of spray head 200 positioning, high speed water flow can be accurately sprayed in the tooth gap, and will not be sprayed on the gum because of inaccurate positioning, lead to the situation of gum damage;Secondly, the first protruding portion 220 because is in abutment in the gap between adjacent tooth root, when part of high speed water flow is sprayed to the gum, high speed water flow will be blocked by the first protruding portion, cannot directly impact to the gum, play the role of protecting the gum.

[0026] In a specific embodiment, the nozzle further comprises a spray rod 100, the spray rod 100 is connected with the water inlet, and the spray head 200 is sleeved on the spray rod 100.

[0027] Further, the spray head 200 can be removed from the spray rod 100 and replaced, so that the spray head 200 can be replaced after being worn out.

[0028] In a specific embodiment, the water outlet 210 is circular, and the shape of the water outlet 210 is the same as that of the spray channel 110, which can reduce the obstruction of the water flow due to the change of the shape of the water outlet 210 and reduce the water flow speed.

[0029] Further, the water outlet 210 is elliptical, and the elliptical water outlet 210 can make the high speed water flow form a flat water flow and spray into the tooth gap, so that the flat high speed water flow matches the shape of the tooth gap and improves the efficiency of tooth cleaning.

[0030] Figure 3 In an embodiment, the first protruding portion can include a first protruding portion 220, which is elliptical in shape and has rounded corners around it. The elliptical shape can facilitate insertion into the tooth gap of the gum, and the rounded corners can avoid damaging the gum and teeth.

[0031] Figure 3The abutment surface can include a second protruding portion 230 symmetrically arranged with the first protruding portion 220 with the water outlet 210 as the center in an embodiment. When the user cleans the upper teeth, the second protruding portion 230 can be directly clamped into the gap between the gums of the lower teeth, without the user turning over the water pick, avoiding the situation of clamping in an ergonomic way, and greatly improving the user experience.

[0032] It can be understood that the shape of the first protruding portion 220 and the shape of the second protruding portion 230 are mirror images with the water outlet 210 as the center.

[0033] Figure 3 The first protruding portion 220 and the second protruding portion 230 can include an end of the first protruding portion 220 and the second protruding portion 230 away from the abutment surface in an embodiment, and the diameter of the end is less than or equal to the size of the gap between the adjacent tooth roots, so that the first protruding portion 220 and the second protruding portion 230 can be inserted into the gap and better protect the gums.

[0034] Figure 3 The first protruding portion 220 and the second protruding portion 230 can include a gradually decreasing cross-sectional area from the abutment surface in an embodiment, forming a tapered protruding portion, so that the first protruding portion 220 and the second protruding portion 230 will not be clamped too deep when clamped into the tooth gap.

[0035] Figure 3 The nozzle 200 can include a distance between the first protruding portion 220 and the water outlet 210 and a distance between the second protruding portion 230 and the water outlet 210 both less than 12 mm in an embodiment, ensuring the distance between the first protruding portion 220, the second protruding portion 230 and the water outlet 210, avoiding the situation that the water outlet 210 has exceeded the distance to the tooth when the first protruding portion 220 and the second protruding portion 230 have been clamped into position.

[0036] In a specific embodiment, the distance between the first protruding portion 220 and the water outlet and the distance between the second protruding portion 230 and the water outlet can be zero, that is, the first protruding portion 220 and the second protruding portion 230 are in close contact with the water outlet 210, because the first protruding portion 220 and the second protruding portion 230 themselves have a certain thickness, and after clamping, the water outlet 210 can be aligned with the position of the upper tooth.

[0037] Figure 3 The nozzle 200 can include the water outlet 210 arranged at the center of the abutment surface in an embodiment, and the first protruding portion 220 and the water outlet 210 form a central section 260 to divide the abutment surface into a first abutment surface 240 and a second abutment surface 250, and the first abutment surface 240 and the second abutment surface 250 are respectively abutted to the adjacent teeth.

[0038] Figure 4 It is shown that the center segment 260 can include a gradually decreasing height from the center segment 260 to the circumference in an embodiment, the center segment is the highest point, the center segment 260 is clamped into the gap, and plays a positioning role.

[0039] Figure 4 It is shown that the spray head 200 can include a first abutment surface 240 and a second abutment surface 250, both of which are concave surfaces, the concave surfaces of the first abutment surface 240 and the second abutment surface 250 match the shape of the adjacent teeth, and the concave surfaces of the first abutment surface 240 and the second abutment surface 250 cooperate with the shape of the teeth to fix.

[0040] Figure 3 It is shown that the spray head 200 can include a first abutment surface 240 and a second abutment surface 250, both of which are concave surfaces, the concave surfaces of the first abutment surface 240 and the second abutment surface 250 match the shape of the adjacent teeth, and the concave surfaces of the first abutment surface 240 and the second abutment surface 250 cooperate with the shape of the teeth to fix.

[0041] Figures 1 to 3 It is shown that the utility model discloses a kind of oral irrigator in an embodiment of the utility model, comprising the nozzle described above, and the oral irrigator is used to protect gum and clean teeth.

[0042] It can be understood that the spray rod 100 is connected with the oral irrigator, the oral irrigator is communicated with the spray flow channel 110, the oral irrigator supplies water to the spray flow channel 110, and water is discharged from the water outlet 210.

[0043] It can be understood that the above embodiment only expresses the preferred embodiment of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the patent range of the utility model; It should be pointed out that for ordinary skilled person in the art, the above technical features can be freely combined without departing from the concept of the utility model, and a plurality of deformations and improvements can be made, which belong to the protection range of the utility model; Therefore, any equivalent transformation and modification made to the utility model claim range shall belong to the scope of the utility model claim.

Claims

1. A nozzle, characterized in that, include: spray nozzle; The nozzle is provided with a through jet channel, one end of which is an inlet for receiving the cleaning water flow, and the other end of which is an outlet. The nozzle abuts against the teeth, with the side of the nozzle abutting against the teeth being the contact surface. The water outlet is located on the contact surface. The contact surface has a first protrusion extending from the contact surface away from the contact surface on one side of the water outlet. The first protrusion is used to abut against the gap between the roots of adjacent teeth. The water spray direction of the water outlet is aligned with the gap between adjacent teeth.

2. A nozzle according to claim 1, characterized in that, The contact surface is provided with a second protrusion symmetrically arranged with the water outlet as the center and the first protrusion.

3. A nozzle according to claim 2, characterized in that, The diameter of the end of the first and second protrusions away from the contact surface is less than or equal to the gap size between the roots of adjacent teeth.

4. A nozzle according to claim 2, characterized in that, The cross-sectional area of ​​the first protrusion and the second protrusion gradually decreases from the contact surface.

5. A nozzle according to claim 2, characterized in that, The distance between the first protrusion and the water outlet, and the distance between the second protrusion and the water outlet are both less than 12mm.

6. A nozzle according to claim 1, characterized in that, The water outlet is located at the center of the contact surface, and the first protrusion and the water outlet form a central segment, dividing the contact surface into a first contact surface and a second contact surface.

7. A nozzle according to claim 6, characterized in that, Starting from the center segment and moving outwards, the height gradually decreases, with the center segment being the highest point.

8. A nozzle according to claim 6, characterized in that, Both the first and second abutting surfaces are concave, and the concave surfaces of the first and second abutting surfaces match the shape of the adjacent teeth.

9. A nozzle according to claim 1, characterized in that, The first protrusion is elliptical in shape with rounded corners around its perimeter.

10. A dental flosser, characterized in that, Includes the nozzle according to any one of claims 1-9.

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