Nozzle connecting assembly for oral irrigator

Abstract

The utility model discloses a nozzle connecting assembly for a water toothpick, which relates to the technical field of water toothpicks and comprises a water outlet connecting piece arranged at a water outlet of a water pump, a water outlet metal ring is arranged in the water outlet connecting piece, and a metal connecting piece is arranged above the water outlet connecting piece. The bottom end of the metal connecting piece extends into the water outlet connecting piece, a plurality of character-shaped notches are formed in the bottom of the metal connecting piece, the lower portion of the metal connecting piece is divided into a plurality of elastic contact pieces through the character-shaped notches, a nozzle is arranged at the top of the metal connecting piece, and the elastic contact pieces are arranged in the nozzle. Two fan-shaped clamping plates are fixed to the outer wall of the nozzle, a fan-shaped limiting groove is formed in the inner wall of the nozzle, a fan-shaped limiting boss is fixedly installed on the outer wall of the metal connecting piece, and one side of the fan-shaped limiting boss extends into the fan-shaped limiting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of oral irrigators, in particular to a nozzle connecting assembly for oral irrigators. Background Art

[0002] A water flosser is a device used to care for the oral cavity. Its working principle is to use a certain pressure to spray a cleaning water column from the nozzle of the water flosser to clean the oral cavity. It is currently widely used in people's daily life. When using a water flosser, people generally connect the nozzle to the water flosser through a nozzle connecting assembly. The existing nozzle connecting assembly generally connects the nozzle to the water flosser through a threaded connection, that is, an external thread is provided on the nozzle connecting assembly, and the nozzle and the nozzle connecting assembly are connected together by rotating the external thread with the internal thread in the nozzle.

[0003] However, great care must be taken when using threaded connections. When workers twist the nozzle to install or replace it, the thread may slip, making it impossible to quickly install the nozzle on the oral irrigator or remove it from the oral irrigator, affecting work efficiency. Utility Model Content

[0004] The purpose of the present utility model is to provide a nozzle connection assembly for a water flosser to solve at least any one of the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nozzle connection assembly for a water flosser, comprising a water outlet connection piece arranged at the water outlet of a water pump, a water outlet metal ring being arranged in the water outlet connection piece, a metal connection piece being arranged above the water outlet connection piece, and the bottom end of the metal connection piece extending into the water outlet connection piece, a plurality of letter-shaped cutouts being provided at the bottom of the metal connection piece, the plurality of letter-shaped cutouts dividing the lower part of the metal connection piece into a plurality of elastic contact pieces, a nozzle being provided at the top of the metal connection piece, two fan-shaped clamping plates being fixed on the outer wall of the nozzle, a fan-shaped limiting groove being provided on the inner wall of the nozzle, a fan-shaped limiting boss being fixedly installed on the outer wall of the metal connection piece, and one side of the fan-shaped limiting boss extending into the fan-shaped limiting groove.

[0006] Preferably, a protective cover is fixed to the top of the water outlet connector, a bypass opening is provided on the protective cover, the nozzle passes through the bypass opening and is movably connected to the inner wall of the bypass opening, and two fan-shaped bayonet openings are provided on the inner wall of the bypass opening.

[0007] Preferably, a probe jack is provided on the water outlet connector.

[0008] Preferably, surfaces of several of the elastic contact sheets protrude outward to form raised contact portions, and the several raised contact portions are in contact with the water outlet metal ring.

[0009] Preferably, an annular groove is provided on the water outlet connector, and a rubber sealing ring is provided in the sliding sealing sleeve in the annular groove.

[0010] Preferably, the probe insertion hole and the raised contact portion are on the same horizontal plane.

[0011] The beneficial effects of the utility model are as follows:

[0012] In the utility model, the sector-shaped clamping plate is limited up and down by the protective cover, and then stably installed in the protective cover, the nozzle is first rotated 90 degrees to make the nozzle and the sector-shaped clamping port in the same vertical plane, and then the nozzle is moved upward so that the sector-shaped clamping plate can pass through the outside of the sector-shaped clamping port, and the nozzle is quickly removed from the device for replacement, first the two sector-shaped clamping plates on the new nozzle are located directly above the sector-shaped clamping port, the nozzle is moved downward so that the two sector-shaped clamping plates can enter the protective cover through the sector-shaped clamping port, the nozzle is rotated 90 degrees to drive the sector-shaped clamping plate to rotate, so that the sector-shaped clamping plate and the sector-shaped clamping port are misaligned, and then the nozzle is stably installed in the protective cover again through the protective cover, the process is simple, fast and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A front view of a preferred embodiment of a nozzle connection assembly for a water flosser provided by the utility model;

[0014] Figure 2 An exploded view of the nozzle connection assembly for the water flosser provided by the utility model;

[0015] Figure 3 for Figure 1 A cross-sectional view of the assembly of the nozzle and the metal connector shown;

[0016] Figure 4 for Figure 1 a top view of the protective sleeve cover shown;

[0017] Figure 5 for Figure 1 A three-dimensional view of the nozzle shown;

[0018] Figure 6 for Figure 1 An exploded view of the water connection shown;

[0019] Figure 7 for Figure 1 3D image of the metal connector shown.

[0020] In the figure: 1. nozzle; 2. metal connecting part; 3. fan-shaped clamping plate; 4. elastic contact piece; 5. raised contact part; 6. water outlet metal ring; 7. water outlet connecting part; 8. rubber sealing ring; 9. annular groove; 10. avoidance passage; 11. fan-shaped bayonet; 12. probe plug hole; 13. protective cover; 14. fan-shaped limit boss. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] The utility model provides Figure 1-7 The nozzle connection assembly for a water flosser shown in the figure comprises a water outlet connection piece 7 arranged at the water outlet of a water pump, a water outlet metal ring 6 is arranged in the water outlet connection piece 7, a metal connection piece 2 is arranged above the water outlet connection piece 7, and the bottom end of the metal connection piece 2 extends into the water outlet connection piece 7. In order to facilitate the metal probe on the water pump main control board to contact with the water outlet metal ring 6 and then adjust the switch of the water pump, a probe plug hole 12 is opened on the water outlet connection piece 7, and the probe plug hole 12 and the raised contact portion 5 are on the same horizontal plane. The bottom of the metal connection piece 2 is opened. There are several Chinese-shaped cutouts, which divide the lower part of the metal connector 2 into several elastic contact sheets 4. A nozzle 1 is arranged on the top of the metal connector 2. Two fan-shaped clamping plates 3 are fixed on the outer wall of the nozzle 1, and a fan-shaped limiting groove is opened on the inner wall of the nozzle 1. A fan-shaped limiting boss 14 is fixedly installed on the outer wall of the metal connector 2, and one side of the fan-shaped limiting boss 14 extends into the fan-shaped limiting groove. The nozzle 1 is limited by the fan-shaped limiting boss 14 to prevent the nozzle 1 from rotating arbitrarily on the device, which causes inconvenience to people.

[0023] In order to limit the upper and lower positions of the fan-shaped card plate 3 so that the fan-shaped card plate 3 cannot move upward and is stably installed in the protective cover 13, a protective cover 13 is fixed on the top of the water outlet connector 7, and an avoidance opening 10 is provided on the protective cover 13. The nozzle 1 passes through the avoidance opening 10 and is movably connected to the inner wall of the avoidance opening 10. Two fan-shaped bayonet holes 11 are provided on the inner wall of the avoidance opening 10. The nozzle 1 is first rotated 90 degrees so that the nozzle 1 and the fan-shaped bayonet holes 11 are in the same vertical plane, and then the nozzle 1 is moved upward so that the fan-shaped card plate 3 can pass through the fan-shaped bayonet holes 11, and the nozzle 1 is quickly 1 is disassembled from the device for replacement. When the nozzle 1 needs to be installed on the water outlet connector 7, first make the two sector clamps 3 on the new nozzle 1 just above the sector clamp opening 11, move the nozzle 1 downward so that the two sector clamps 3 can enter the protective cover 13 through the sector clamp opening 11, at this moment, the sector limiting boss 14 just completely enters the sector limiting groove, rotate the nozzle 1 90 degrees to drive the sector clamp 3 to rotate, so that the sector clamp 3 and the sector clamp opening 11 are misaligned, and then the nozzle 1 is stably installed in the protective cover 13 through the protective cover 13 again.

[0024] In order to make the metal probe on the main control board contact more closely with the water outlet metal ring 6 , the surfaces of several elastic contact sheets 4 protrude outward to form raised contact parts 5 , and the several raised contact parts 5 are all in contact with the water outlet metal ring 6 .

[0025] In order to make the water outlet connector 7 and the water outlet of the water pump connected more tightly to prevent water leakage, an annular groove 9 is provided on the water outlet connector 7, and a rubber sealing ring 8 is provided in the sliding sealing sleeve in the annular groove 9.

[0026] The working principle of the nozzle connection assembly for the water flosser provided by the utility model is as follows: in the initial state, the water outlet connector 7 is arranged at the water outlet of the water pump, the raised contact portion 5 and the probe socket 12 are in the same horizontal plane, the metal probe on the water pump main control board contacts the raised contact portion 5 through the probe socket 12, the fan-shaped card plate 3 is located in the protective cover 13, and the fan-shaped card plate 3 is misaligned with the fan-shaped bayonet 11, so the fan-shaped card plate 3 is limited up and down by the protective cover 13, so that the fan-shaped card plate 3 cannot move upward, and then is stably installed in the protective cover 13. When the nozzle 1 needs to be replaced, first rotate the nozzle 1 90° so that the nozzle 1 and the fan-shaped bayonet 11 are in the same vertical plane, and then move the nozzle 1 upward so that the fan-shaped card plate 3 is The clamping plate 3 can be passed through the fan-shaped clamping port 11 to quickly remove the nozzle 1 from the device for replacement, thereby improving work efficiency. When the nozzle 1 needs to be installed on the water outlet connector 7, first make the two fan-shaped clamping plates 3 on the new nozzle 1 directly above the fan-shaped clamping port 11, move the nozzle 1 downward so that the two fan-shaped clamping plates 3 can pass through the fan-shaped clamping port 11 to enter the protective cover 13, at this moment, the fan-shaped limiting boss 14 just completely enters the fan-shaped limiting groove, rotate the nozzle 1 90° to drive the fan-shaped clamping plate 3 to rotate, so that the fan-shaped clamping plate 3 and the fan-shaped clamping port 11 are misaligned, and then the nozzle 1 is stably installed in the protective cover 13 again through the protective cover 13. The process is simple, fast and efficient.

[0027] Compared with the related art, the nozzle connection assembly for the water flosser provided by the utility model has the following beneficial effects:

[0028] The utility model provides a nozzle connecting assembly for a water flosser, which limits the upper and lower positions of the fan-shaped clamping plate 3 through a protective sleeve cover 13, and then stably installs it in the protective sleeve cover 13. First, rotate the nozzle 1 90 degrees to make the nozzle 1 and the fan-shaped bayonet 11 in the same vertical plane, and then move the nozzle 1 upward so that the fan-shaped clamping plate 3 can pass through the fan-shaped bayonet 11. The nozzle 1 is quickly removed from the device for replacement, and the two fan-shaped clamping plates 3 on the new nozzle 1 are first located directly above the fan-shaped bayonet 11, and the nozzle 1 is moved downward so that the two fan-shaped clamping plates 3 can pass through the fan-shaped bayonet 11 and enter the protective sleeve cover 13. Rotating the nozzle 1 90 degrees drives the fan-shaped clamping plate 3 to rotate, so that the fan-shaped clamping plate 3 and the fan-shaped bayonet 11 are misaligned, and then the nozzle 1 is stably installed in the protective sleeve cover 13 again through the protective sleeve cover 13. The process is simple, fast, and has high working efficiency.

[0029] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A nozzle connection assembly for a water flosser, comprising a water outlet connection member arranged at a water outlet of a water pump, characterized in that: A water outlet metal ring is arranged in the water outlet connecting piece, a metal connecting piece is arranged above the water outlet connecting piece, and the bottom end of the metal connecting piece extends into the water outlet connecting piece, a plurality of letter-shaped cutouts are opened at the bottom of the metal connecting piece, and the plurality of letter-shaped cutouts divide the lower part of the metal connecting piece into a plurality of elastic contact sheets, a nozzle is arranged at the top of the metal connecting piece, two fan-shaped clamping plates are fixed on the outer wall of the nozzle, a fan-shaped limiting groove is opened on the inner wall of the nozzle, a fan-shaped limiting boss is fixedly installed on the outer wall of the metal connecting piece, and one side of the fan-shaped limiting boss extends into the fan-shaped limiting groove.

2. The nozzle connection assembly for a water flosser according to claim 1, characterized in that: A protective cover is fixed on the top of the water outlet connector, a bypass opening is provided on the protective cover, the nozzle passes through the bypass opening and is movably connected to the inner wall of the bypass opening, and two fan-shaped bayonet openings are provided on the inner wall of the bypass opening.

3. The nozzle connection assembly for a water flosser according to claim 1, characterized in that: The water outlet connector is provided with a probe plug hole.

4. The nozzle connection assembly for a water flosser according to claim 3, characterized in that: Surfaces of a plurality of the elastic contact sheets protrude outwards to form convex contact portions, and the plurality of the convex contact portions are in contact with the water outlet metal ring.

5. The nozzle connection assembly for a water flosser according to claim 4, characterized in that: An annular groove is provided on the water outlet connector, and a rubber sealing ring is provided in the sliding sealing sleeve in the annular groove.

6. The nozzle connection assembly for a water flosser according to claim 4, characterized in that: The probe insertion hole and the raised contact portion are on the same horizontal plane.

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