Oral cavity cleaning device

Abstract

The application provides an oral cavity cleaning device, which comprises a shell, a nozzle protruding from the shell, a box body arranged in the shell and used for containing fluid, a flow path for fluid communication being formed between the box body and the nozzle, and a sterilization device arranged in the shell and arranged on the flow path. Thus, the application can perform instantaneous sterilization and inactivation operation on the fluid in the flow path by specially arranging the sterilization device on the flow path, so that a good cleaning effect is achieved.

Description

Technical Field

[0001] This invention relates to the field of oral health, and more specifically to a dental flosser. Background Technology

[0002] As a typical example of oral hygiene devices, dental flossers are widely used. A dental flosser is a home oral hygiene device that works by using water drawn from a tank to flush away plaque and food residue below the gum line, thereby improving gum health. Compared to a regular toothbrush, a dental flosser allows water or medication to penetrate the interdental spaces to neutralize acids and restore calcium to demineralized enamel, making it significantly more effective in treating plaque and gingivitis.

[0003] However, dental irrigators present certain problems due to their water flow design. Specifically, after prolonged use, bacteria and dust from the outside air can enter the liquid in the tank if left unused for too long. Furthermore, water residue may remain in the internal flow path connecting the irrigator to the tank, and within the tank itself, where various microorganisms and bacteria, such as E. coli, can proliferate. For example, rinsing teeth in such a bacterially bred environment could potentially lead to infection and negatively impact health. In addition, because the internal flow path is generally not exposed on the outside of the irrigator, it is difficult to clean. Therefore, maintaining the cleanliness of the internal flow path of a dental irrigator has become a pressing technical challenge. Summary of the Invention

[0004] To address the aforementioned technical problems, the present invention provides an oral cleaning device, comprising a housing, a box mounted on the housing for containing fluid, and a nozzle communicating with the box, wherein a flow path for fluid circulation is formed between the box and the nozzle, and the oral cleaning device further comprises a sterilization device disposed on the flow path.

[0005] According to the above technical solution, a flow path for fluid circulation is formed between the housing and the nozzle. The oral cleaning device also includes a sterilization device disposed on this flow path. Thus, by specifically setting a sterilization device on the flow path, the present invention can perform instantaneous sterilization and inactivation of the fluid in the flow path. Furthermore, during rinsing, for example, the activation of the sterilization device can be synchronized with the timing of fluid being drawn from the housing. In this way, the fluid drawn from the housing is sterilized by the already activated sterilization device as it flows through the flow path matched by the sterilization device. The fluid sprayed from the nozzle after treatment is the sterilized and inactivated fluid. This not only sterilizes the fluid to achieve a good cleaning effect, but also sterilizes while the fluid is flowing, eliminating the need for sterilization at other times, saving the user's time and achieving a "zero-wait" sterilization effect.

[0006] Preferably, the oral cleaning device further includes a first connecting pipe communicating with the housing, a second connecting pipe communicating with the nozzle, and a transparent pipe disposed between the first connecting pipe and the second connecting pipe. The first connecting pipe, the second connecting pipe, and the transparent pipe constitute part of the flow path, and the sterilization device is disposed at a position opposite to the transparent pipe.

[0007] According to the above technical solution, the oral cleaning device further includes a first connecting tube, a second connecting tube, and a transparent tube. The first and second connecting tubes are used to fix the transparent tube, thereby positioning the sterilization device opposite to the transparent tube. When fluid flows through the transparent tube in the flow path, the relatively positioned sterilization device directly sterilizes the fluid. The relative positioning allows for more thorough sterilization. Furthermore, when the sterilization device is an ultraviolet germicidal lamp, the transparent tube also facilitates sterilization, further improving the sterilization effect.

[0008] Preferably, the sterilization device includes a fixed tube arranged around the transparent tube and a sterilizer fixed on the fixed tube.

[0009] According to the above technical solution, the sterilization device includes a fixed tube arranged around the transparent tube and a sterilizer fixed on the fixed tube. The fixed tube is used to fix the position of the sterilizer to face the flow path through which the fluid passes. When the fluid flows through the flow path, it is sterilized and the sterilizer will not shake or loosen at will, which further improves the sterilization effect.

[0010] Preferably, the sterilizer is any one of an ultraviolet germicidal lamp, a microwave sterilizer, or a magnetic sterilizer.

[0011] According to the above technical solutions, ultraviolet germicidal lamps, microwave sterilizers, or magnetic sterilizers can efficiently inactivate and sterilize a large number of aquatic pathogenic microorganisms in fluids or internal flow paths. Ultraviolet germicidal lamps primarily work by emitting ultraviolet light, irradiating microorganisms, including bacteria, causing radiation damage and killing them by disrupting their nucleic acid function, thus achieving sterilization. Microwave sterilizers utilize the combined thermal and biological effects of microwaves. The thermal effect of microwaves on bacteria alters proteins and simultaneously destroys the genetic material within bacteria, preventing them from reproducing and surviving. Magnetic sterilizers place the fluid to be sterilized in a magnetic field; under a certain magnetic field strength, the fluid can be sterilized at room temperature. Therefore, the sterilization process of these sterilizers is relatively environmentally friendly and does not produce byproducts associated with disinfection.

[0012] Preferably, a sealing ring is provided at the connection between the transparent tube and the first connecting tube or the second connecting tube.

[0013] According to the above technical solution, a sealing ring is provided at the connection between the transparent tube and the first connecting tube or the second connecting tube. The sealing ring can prevent fluid leakage and play a sealing role.

[0014] Preferably, the fixed tube includes a sterilizer receiving part and a front tube part and a rear tube part located at both ends of the sterilizer receiving part, and the outer diameter of the front tube part and the rear tube part are respectively matched with the inner diameter of the first connecting tube or the second connecting tube.

[0015] According to the above technical solution, in addition to serving as a sterilizer, the fixed tube also functions as a connector to the first or second connecting tube, achieving multiple functions with a simple structure. Furthermore, by matching the outer diameters of the front and rear tube sections with the inner diameters of the first or second connecting tube, the portability of installation and the stability of the connection can be improved, achieving a good match and fixation with minimal alteration to the original flow path.

[0016] Preferably, the oral cleaning device also includes a control panel, which is electrically connected to the sterilization device to control the operation of the sterilization device.

[0017] According to the above technical solution, the control panel in the oral cleaning device can be electrically connected to the sterilization device to control its operation. More specifically, the control panel can be electrically or communicatively connected to a circuit board to control the on / off state of the sterilization device, thereby controlling the timing of its activation. The control panel can also control the operating time of the sterilization device, thus enabling different sterilization treatments to be performed as needed.

[0018] Preferably, the sterilizer and the sterilizer receiving part are respectively formed with a first through hole and a second through hole that correspond to each other and allow the same fastener to pass through.

[0019] According to the above technical solution, by setting corresponding through holes on the sterilizer and the sterilizer receiving part for the same fastener to pass through, the sterilizer can be easily fixed, avoiding misalignment of the sterilizer during installation and preventing the sterilizer from falling off due to weak connection during cleaning. The assembly is simple and efficient.

[0020] Preferably, the transparent tube is a quartz glass tube.

[0021] According to the above technical solution, the quartz glass tube can transmit ultraviolet light of a specific wavelength emitted by the sterilization device. Quartz glass material has high spectral transmittance, and unlike some other glasses that darken after being exposed to radiation, quartz glass will not be damaged by radiation, which helps to extend the service life of the transparent tube. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the oral cleaning device according to the first embodiment of the present invention.

[0023] Figure 2 This is a front view of the oral cleaning device according to the first embodiment of the present invention.

[0024] Figure 3 yes Figure 2 A cross-sectional view along line AA.

[0025] Figure 4 yes Figure 3 A magnified view of part B in the middle section.

[0026] Figure 5 This is a perspective view of the oral cleaning device according to the first embodiment of the present invention after the outer casing has been removed.

[0027] Figure 6 yes Figure 5 A magnified view of part C in the middle.

[0028] Figure 7 This is an exploded perspective view of the oral cleaning device according to the first embodiment of the present invention after the outer shell has been removed.

[0029] Figure 8 yes Figure 7 A magnified view of part D in the middle.

[0030] Figure 9 This is an exploded assembly diagram of the sterilization device according to the first embodiment of the present invention.

[0031] Figure 10 This is a control flowchart of the oral cleaning device according to the first embodiment of the present invention.

[0032] Figure 11 This is a schematic diagram of the oral cleaning device according to the second embodiment of the present invention.

[0033] Figure 12 This is a front view of the oral cleaning device according to the second embodiment of the present invention.

[0034] Figure 13 yes Figure 12 A cross-sectional view of the EE line.

[0035] Figure 14 yes Figure 13 A magnified view of part F in the middle.

[0036] Figure 15 This is a perspective view of the oral cleaning device according to the second embodiment of the present invention after part of the handle has been removed.

[0037] Figure 16 yes Figure 15 A magnified view of part G in the middle.

[0038] Figure 17 This is a perspective view of the oral cleaning device according to the second embodiment of the present invention after removing the outer shell and handle and other components.

[0039] Figure 18 This is a front view of the oral cleaning device according to the second embodiment of the present invention after removing the outer shell and handle and other components.

[0040] Figure 19 yes Figure 18 A cross-sectional view of the HH line.

[0041] Figure 20 yes Figure 19 A magnified view of part I in the middle.

[0042] Figure 21 This is an exploded perspective view of the oral cleaning device according to the second embodiment of the present invention after part of the handle has been removed.

[0043] Figure 22 yes Figure 21 A magnified view of part J in the middle.

[0044] Figure 23 This is a control flowchart of the oral cleaning device according to the second embodiment of the present invention.

[0045] Figure 24 This is a control flowchart of the oral cleaning device according to the third embodiment of the present invention.

[0046] Figure label:

[0047] 1. Outer shell; 2. Nozzle; 3. Box body; 4. Sterilization device; 41. Fixing pipe; 411. Front end pipe; 412. Rear end pipe; 413. Sterilizer receiving part; 4131. Second through hole; 42. Sterilizer; 421. First through hole; 43. Fastener; 5. Suction pipe; 6. Pump; 7. Motor; 8. First connecting pipe; 9. Second connecting pipe; 10. Transparent pipe; 11. Sealing ring; 12. Circuit board; 13. Wire; 14. Control panel; 141. Button; 15. Handle; 16. Drive assembly; 17. Hose; 18. First switch; 19. Second switch; 191. Water outlet switch; 192. Sterilization switch; a. Flow path. Detailed Implementation

[0048] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0049] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[0050] First Implementation Method

[0051] In this embodiment, the oral cleaning device is a handheld dental flosser. Of course, the structure and function of the oral cleaning device are not limited to a dental flosser; as long as it can achieve oral cleaning, it can also be other cleaning or rinsing devices. For example... Figure 1 , Figure 2 , Figure 3 As shown, the dental irrigator according to an embodiment of the present invention includes a housing 1, a nozzle 2 protruding from the housing 1, and a box 3 mounted on the housing 1 for containing fluid.

[0052] In this embodiment, the outer shell 1 is a circular shape that narrows upwards. However, the shape and structure of the outer shell 1 are not particularly limited. For example, it can be a common circular structure for easy gripping by the user, or it can be an irregular shape. In this embodiment, the outer shell 1 is made of one-piece molded plastic material. The one-piece molding process can reduce the gaps in the outer shell 1, which is beneficial to improving the waterproof performance of the oral cleaning device. The outer shell 1 surrounds and is locked to the housing 3. When adding fluid, the outer shell 1 is removed to expose the housing 3 inside the outer shell 1.

[0053] Nozzle 2 is a conventional nozzle in the prior art. A passage for fluid to pass through is formed inside nozzle 2. The fluid flows through this passage and is sprayed out from nozzle 2 to clean the oral cavity. Nozzle 2 is generally made of resin, which is easy to mold and has a long service life.

[0054] like Figure 3 As shown, the housing 3 is a component disposed within the outer shell 1 and containing fluid. In this embodiment, the fluid is water. In other embodiments, the fluid may be other liquids, such as a liquid obtained by mixing detergent with water, etc., as long as it can perform oral cleaning, there is no particular limitation. The shape of the housing 3 matches the inner circumference of the outer shell 1 and is connected to the suction pipe 5, there is no particular limitation. The construction of the housing 3 is prior art and will not be described in detail here.

[0055] Figure 5 This is a perspective view of the oral cleaning device of the present invention after the outer casing 1 has been removed. Figure 3 and Figure 5 As shown, a water suction pipe 5 is also provided inside the outer shell 1, and one end of the water suction pipe 5 is connected to the box body 3. Figure 5 (Not shown in the image) is connected to the nozzle 3, and the other end is connected to the pump 6. In this embodiment, the oral cleaning device is also equipped with a motor 7. The motor 7 is connected to the pump 6 to drive the pump 6. Through the combination of the motor 7 and the pump 6, the pump 6 can draw the fluid in the tank 3 out through the suction pipe 5 and export it to the nozzle 2. The fluid is sprayed out from the nozzle 2, which effectively cleans the gaps between teeth and gums, the gaps between teeth, etc., to maintain oral hygiene and health.

[0056] After prolonged use, on the one hand, bacteria or dust from the outside air can enter the liquid left in the container 3 if it remains for too long; on the other hand, water stains will inevitably remain in the internal flow path and container 3, and these residual water stains can breed various microorganisms or bacteria, such as E. coli. For example, rinsing teeth under conditions of bacterial growth may cause infection and affect health. Therefore, the internal structure of the oral cleaning device has been redesigned in this invention, which will be described in detail below.

[0057] like Figures 3-4 As shown, a flow path a for fluid circulation is formed between the housing 3 and the nozzle 2. The oral cleaning device also includes a sterilization device 4 disposed in the outer casing 1, which is located on the flow path a. In fact, the flow path a also includes the flow path formed by the pump 6 that pumps fluid from the housing 3 and the suction pipe 5. "The sterilization device 4 is located on the flow path a" means that the sterilization device 4 is located at a position that can sterilize the fluid flowing through the flow path a.

[0058] More specifically, such as Figures 5-8 As shown, the oral cleaning device includes a first connecting pipe 8 communicating with the housing 3, a second connecting pipe 9 communicating with the nozzle 2, and a transparent pipe 10 disposed between the first connecting pipe 8 and the second connecting pipe 9. A sterilization device 4 is disposed opposite to the transparent pipe 10. The first connecting pipe 8, the second connecting pipe 9, and the transparent pipe 10 constitute part of flow path a. Here, "communication" refers to fluid communication, meaning that the fluid drawn from the housing 3 can reach the first connecting pipe 8 or flow through the second connecting pipe 9 to reach the nozzle 2; the specific connection relationship is not limited. "Opposite to the transparent pipe 10" refers to a positional relationship where the fluid is completely or partially overlapped with the transparent pipe 10 along its length, such as being opposite or facing each other. "Constitutes part of flow path a" means that the interiors of the first connecting pipe 8, the second connecting pipe 9, and the transparent pipe 10 are interconnected to form a flow path for fluid flow.

[0059] The sterilization device 4 will be described in detail below.

[0060] Preferably, such as Figure 9 As shown, the sterilization device 4 includes a fixed tube 41 arranged around the transparent tube 10 and a sterilizer 42 fixed on the fixed tube 41.

[0061] Preferably, the sterilizer 42 is any one of an ultraviolet germicidal lamp, a microwave sterilizer, or a magnetic sterilizer. More specifically, in this embodiment, the sterilizer 42 is an ultraviolet germicidal lamp. When the sterilizer 42 is an ultraviolet germicidal lamp, the number of lamps is not limited. It can be one or a combination of multiple lamps, and the distribution of multiple lamps can be arranged along the axial direction of the transparent tube 10 or along the radial direction of the transparent tube 10. The ultraviolet germicidal lamp mainly emits ultraviolet light to irradiate microorganisms, including bacteria, causing radiation damage. By destroying the function of nucleic acids, it kills the microorganisms, thereby achieving the effect of sterilization and disinfection. The ultraviolet germicidal lamp uses a physical sterilization method, which is safer than chemical sterilization. In some other embodiments of the present invention, the sterilization method of the sterilization device 4 can also be a microwave sterilizer or a magnetic sterilizer. The microwave sterilizer utilizes the combined effect of the thermal and biological effects of microwaves. The thermal effect of microwaves on bacteria causes changes in proteins and destroys the genetic material within the bacteria, making it impossible for the bacteria to reproduce and survive. The biological effects of microwaves on bacteria work by altering the concentration of ions and electrons around the cell membrane, thereby changing the membrane's permeability. This prevents bacteria from obtaining nutrients, hinders normal metabolism, inhibits growth and development, and ultimately leads to death. Because microwaves have penetrating properties, microwave sterilizers can achieve thorough and uniform sterilization. Magnetic sterilizers place the fluid to be sterilized in a magnetic field; under the influence of a certain magnetic field strength, the fluid can be sterilized at room temperature.

[0062] In this embodiment, the ultraviolet germicidal lamp used is a UVC-LED ultraviolet germicidal lamp. UV stands for ultraviolet light, C represents the C-band, which is the wavelength range of 100-280 nanometers in ultraviolet light, and LED stands for light-emitting diode. UVC-LED ultraviolet germicidal lamps have the advantage of being mercury-free, which helps reduce environmental pollution. Furthermore, UVC-LEDs are compact and suitable for installation in the relatively limited space of oral cleaning devices. At the same time, UVC-LED ultraviolet germicidal lamps also have the advantages of energy saving and long service life, reducing energy consumption and extending the lifespan of the oral cleaning device. UVC-LED ultraviolet germicidal lamps start quickly without pre-waiting, allowing the sterilization device 4 to quickly enter sterilization mode.

[0063] In other embodiments of the present invention, the ultraviolet germicidal lamp in the sterilizer 42 is not limited to a UVC-LED ultraviolet germicidal lamp, but can also be other ultraviolet germicidal lamps that meet the sterilization requirements, such as hot cathode ultraviolet lamps, cold cathode ultraviolet lamps and UVA-LED ultraviolet germicidal lamps (A represents wavelength 320-400 nanometers).

[0064] Preferably, such as Figures 8-9As shown, the fixed tube 41 includes a sterilizer receiving part 413 and a front tube part 411 and a rear tube part 412 located at both ends of the sterilizer receiving part 413, respectively. The outer diameter of the front tube part 411 and the rear tube part 412 are respectively matched with the inner diameter of the first connecting tube 8 or the second connecting tube 9.

[0065] In this embodiment, the sterilizer receiving part 413 is used to place and fix the sterilizer 42. The front end tube 411 of the sterilizer receiving part 413 can be sleeved on the first connecting tube 8, and the rear end tube 412 can be sleeved on the second connecting tube 9, so that the position of the transparent tube 10 is fixed, and the fluid can flow into the second connecting tube 9 after passing through the first connecting tube 8 and the transparent tube 10. The outer diameter of the front end tube 411 and the rear end tube 412 are respectively matched with the inner diameter of the first connecting tube 8 or the second connecting tube 9, so that the connection between each tube is tight and leakage of fluid is avoided when flowing through the connection of each tube.

[0066] Preferably, a sealing ring 11 is provided at the connection between the transparent tube 10 and the first connecting tube 8 or the second connecting tube 9.

[0067] In this embodiment, the sealing ring 11 further prevents fluid leakage from the connection between the transparent tube 10 and the first connecting tube 8 and the second connecting tube 9, thus providing an isolation and sealing effect. The sealing ring 11 is made of rubber and has a certain degree of elasticity. The sealing ring 11 is annular in shape, and its external dimensions match those of the transparent tube 10, the first connecting tube 8, and the second connecting tube 9, which helps to improve the sealing effect of the sealing ring 11. Preferably, the diameter of the sealing ring 11 is basically the same as the diameter of the front end tube portion 411 and the rear end tube portion 412, so that it can be fitted between the front end tube portion 411 and the first connecting tube 8 or between the rear end tube portion 412 and the second connecting tube 9.

[0068] Regarding the connection between the fixing tube 41 and the sterilizer 42, preferably, a first through hole 421 is formed on the sterilizer 42, and a corresponding second through hole 4131 is formed on the sterilizer receiving part 413. The first through hole 421 and the second through hole 4131 are fixed by the same fastener 43.

[0069] In this embodiment, a first through hole 421 is formed on the sterilizer 42, and a corresponding second through hole 4131 is formed on the sterilizer receiving part 413. This serves as a positioning effect, preventing misalignment of the sterilizer 42 during installation. In this embodiment, the second through hole 4131 is a threaded hole, and the fastener 43 is a fixing screw. By screwing the fastener 43 into the first through hole 421 and the second through hole 4131, the connection between the sterilizer 42 and the sterilizer receiving part 413 is made tighter, preventing the sterilizer 42 from falling off during the cleaning process due to a loose connection.

[0070] In this embodiment, two of each of the first through hole 421, the second through hole 4131, and the fastener 43 are provided, which is beneficial to the stable connection between the sterilizer 42 and the sterilizer receiving part 413.

[0071] Preferably, the transparent tube 10 is a quartz glass tube.

[0072] In this embodiment, the transparent tube 10 is a quartz glass tube. Quartz glass has a high spectral transmission capability. Compared with some other glasses that darken after being irradiated, quartz glass will not be damaged by radiation, which helps to extend the service life of the transparent tube 10.

[0073] In addition, such as Figures 5-8 As shown, the oral cleaning device also includes a circuit board 12 and wires 13. The circuit board 12 is electrically connected to the sterilizer 42 via the wires 13, and can control the operation of the sterilizer 42. The circuit board 12 is also electrically connected to the motor 7, etc., and controls the operation of the motor 7. Figure 2 As shown, the oral cleaning device also includes a control panel 14 disposed on the housing 1. The control panel 14 is communicatively or electrically connected to the circuit board 12. Users can control the operation of the oral cleaning device through the control buttons 141 on the control panel 14.

[0074] The following is an example illustrating the operation of the oral cleaning device based on the above content.

[0075] Example

[0076] like Figure 10 As shown, firstly, the user controls the oral cleaning device by using control buttons 141 on the control panel 14. Specifically, after the user presses button 141, the circuit board 12, which is electrically or communicatively connected to the control panel 14, receives a trigger signal and activates, starting motor 7. Motor 7 is connected to pump 6 to drive pump 6. Through the combination of motor 7 and pump 6, pump 6 can draw water from the housing 3 through suction pipe 5. In this embodiment, after the user presses button 141, the circuit board 12, which is electrically or communicatively connected to the control panel 14, receives a trigger signal and simultaneously actuates the sterilization device 4, synchronizing with the actuation of motor 7. That is, sterilization device 4 and motor 7 start simultaneously. Specifically, sterilizer 42, i.e., ultraviolet germicidal lamp, is turned on. In this embodiment, motor 7 is a DC motor, which has the advantage of low heat generation, avoiding safety hazards caused by excessive heat and improving the safety of the oral cleaning device. Control Panel

[0077] Circuit board 12 can perform frequency conversion control on motor 7. By controlling the speed of motor 7, multiple speed settings can be created at different speeds, each representing a different cleaning mode. At different speed settings, different water pressures can be sprayed, ranging from low to high pressure, representing a comfortable and gentle to a powerful cleaning mode, catering to the usage habits of different users. It should be noted that button 141 only needs to achieve control; its structure is not particularly limited. It can be a physical button, a push rod with speed settings, or a touch-sensitive button, etc.

[0078] Next, pump 6 draws water from tank 3 through suction pipe 5, and the water enters first connecting pipe 8, then into transparent pipe 10. Since the fixing pipe 41 of sterilization device 4 surrounds transparent pipe 10, it can secure transparent pipe 10 within sterilization device 4. The sterilizer 42, i.e., the ultraviolet germicidal lamp, which has been started simultaneously with motor 7, sterilizes the water passing through transparent pipe 10, enabling instantaneous sterilization and inactivation.

[0079] Then, the treated water is sprayed from nozzle 2 into the oral cavity to clean it. Since the water sprayed from nozzle 2 is a sterilized and inactivated fluid, it not only sterilizes the fluid to achieve a good cleaning effect, but also sterilizes the fluid while it is flowing without the need for additional sterilization treatment, saving the user's time and achieving a "zero-wait" sterilization effect.

[0080] After cleaning the oral cavity, the oral cleaning device is turned off using the control button 141 on the control panel 14. The control panel 14 sends a shutdown instruction to the circuit board 12, which transmits the information to the motor 7 and the sterilization device 4, thereby causing the motor 7 and the sterilization device 4 to shut down simultaneously.

[0081] Variation Example 1

[0082] In this variation 1, unlike the embodiment, the actuation of the sterilization device 4 is staggered from the actuation of the motor 7; that is, the sterilization device 4 and the motor 7 are not activated simultaneously. For example, when pre-rinsing is required, the system can be designed such that when the user presses button 141, the motor 7 is activated for a certain period of time (e.g., 3 seconds) to draw in water and spray it out from nozzle 2. The sprayed water is used to clean the internal flow path or to clean targets outside the mouth. After 3 seconds, the sterilization device 4 is activated to sterilize the water in the flow path. The above functions can be implemented through the circuit design in circuit board 12, the design principle of which is common knowledge and will not be elaborated here.

[0083] Variation Example 2

[0084] In this modified example 2, unlike the original embodiment, a dedicated button for sterilization (not shown in the figure) is also provided. When the user presses this dedicated button, the sterilization device 4 is activated. This allows for more flexible responses to various needs. For example, when only sterilization is required, the dedicated button can be pressed to activate the sterilization device 4 until the specified time is reached, and then the button can be pressed again to turn off the sterilization device 4. Thus, the activation timing and operating duration of the sterilization device 4 are not limited by the motor 7, allowing for flexible responses to various needs.

[0085] Variation Example 3

[0086] In this variation 2, unlike the embodiment, the sterilization device only has a sterilization lamp and is disposed opposite to the transparent tube 10 on the outer casing 1 (not shown in the figure). In this variation 3, although the sterilization device does not surround the transparent tube 10 as in the embodiment, it can still sterilize the transparent tube 10.

[0087] Second Implementation Method

[0088] In this embodiment, the oral cleaning device is a household dental flosser. Of course, the structure and function of the oral cleaning device are not limited to a dental flosser; as long as it can achieve oral cleaning, it can also be other cleaning or rinsing devices.

[0089] like Figures 11-13 As shown, the second embodiment of the oral irrigator includes a housing 1, a casing 3 mounted on the housing 1, and a nozzle 2 connected to the casing 3. In this embodiment, the nozzle 2 is mounted on a handle 15. Unlike the first embodiment, the oral irrigator in this embodiment adopts a separate design of the handle 15 and the housing 1. Compared with the design in the first embodiment, the oral irrigator in this embodiment can use a larger casing 3 and is more suitable for home use by multiple people.

[0090] The user holds the handle 15 and aims the nozzle 2 at the mouth to perform a teeth cleaning operation. The handle 15 is connected to the outer shell 1 via a flexible tube 17, which improves the flexibility of the handle 15. In this embodiment, the flexible tube 17 can be made of PVC (polyvinyl chloride), which has good flexibility and allows the user to adjust the position and angle of the handle 15 during use.

[0091] like Figure 11 As shown, the oral cleaning device has a hose 17 with one end connected to the handle 15 and the other end connected to the pump 6.

[0092] In this embodiment, the oral cleaning device is also equipped with a motor 7, which is connected to a pump 6 to drive the pump 6. In this embodiment, both the motor 7 and the pump 6 are housed in the outer casing 1, which helps to reduce the size of the handle 15 and makes it easier for the user to hold the handle 15. Through the combination of the motor 7 and the pump 6, the pump 6 can draw the fluid in the housing 3 through the suction pipe 5 and export it to the nozzle 2. The fluid is sprayed out from the nozzle 2, effectively deep cleaning the gaps between teeth and gums, and the gaps between teeth, thereby maintaining oral hygiene and health.

[0093] like Figure 12 As shown, a first switch 18 is provided on the outer casing 1. When the first switch 18 is turned on, the pump 6 and the motor 7 can be started. In addition, a control panel 14 is also provided on the outer casing 1, which can perform frequency conversion control on the motor 7. A circuit board (not shown) is provided inside the outer casing 1, and the circuit board is communicatively connected to the control panel 14 and the first switch 18.

[0094] After prolonged use, on the one hand, bacteria or dust from the outside air may enter the liquid left in the container 3 if it remains for too long; on the other hand, water stains may remain in the internal flow path and container 3, and these residual water stains can breed various microorganisms or bacteria, such as E. coli. For example, rinsing teeth under conditions of bacterial growth may cause infection and affect health. Therefore, the second embodiment of the present invention also redesigns the structure of the oral cleaning device, which will be described in detail below.

[0095] like Figure 11 As shown, a flow path a is formed between the housing 3 and the nozzle 2 for fluid flow. The oral cleaning device also includes a sterilization device 4 disposed in the handle 15, which is located on the flow path a. In fact, the flow path a also includes the flow path formed by the pump 6 that draws fluid from the housing 3 and the suction pipe 5. "The sterilization device 4 is located on the flow path a" means that the sterilization device 4 is positioned to sterilize the fluid flowing through the flow path a.

[0096] More specifically, such as Figure 11 , Figures 14-22As shown, the oral cleaning device includes a first connecting pipe 8 communicating with the housing 3, a second connecting pipe 9 communicating with the nozzle 2, and a transparent tube 10 disposed between the first connecting pipe 8 and the second connecting pipe 9. A sterilization device 4 is disposed opposite to the transparent tube 10. The first connecting pipe 8, the second connecting pipe 9, and the transparent tube 10 are all disposed within the handle 15. The first connecting pipe 8, the second connecting pipe 9, and the transparent tube 10 constitute part of flow path a. Here, "communication" refers to fluid communication, meaning that the fluid drawn from the housing 3 can reach the first connecting pipe 8 or flow through the second connecting pipe 9 to reach the nozzle 2; the specific connection relationship is not limited. "Opposite to the transparent tube 10" refers to a positional relationship where the fluid is completely or partially overlapped with the transparent tube 10 in its length direction, such as being opposite or facing each other. "Constitutes part of flow path a" means that the internal structures of the first connecting pipe 8, the second connecting pipe 9, and the transparent tube 10 are interconnected to form a flow path for fluid flow.

[0097] A second switch 19 is provided on the handle 15. The second switch 19 is an interlocking switch and includes a water outlet switch 191 and a sterilization switch 192. When the water outlet switch 191 is opened, it can open the flow path a, allowing water in the flow path a to be sprayed out from the nozzle 2. The sterilization switch 192 is used to open / close the sterilization device 4. When the sterilization switch 192 is opened, the sterilization device 4 begins to sterilize the fluid in the flow path a. Since the second switch 19 is an interlocking switch, when the second switch 19 is opened, the water outlet switch 191 and the sterilization switch 192 can be opened simultaneously.

[0098] Preferably, such as Figure 9 , Figure 22 As shown, the sterilization device 4 includes a fixed tube 41 arranged around the transparent tube 10 and a sterilizer 42 fixed on the fixed tube 41. The sterilization device 4 in this embodiment is the same as the sterilization device 4 in the first embodiment, and will not be described in more detail here.

[0099] The sterilization device 4 is connected to the drive assembly 16 via a wire 13. In this embodiment, the drive assembly 16 is a battery. In other embodiments of the present invention, the drive assembly 16 may also be other structures capable of providing electrical power to the sterilization device 4. The sterilization device 4 has an electrical switch (not shown), which is controlled by a sterilization switch 192.

[0100] The drive assembly 16 is an independent power source within the handle 15. It can be a replaceable battery or a built-in rechargeable battery. The drive assembly 16 directly supplies power to the sterilization device 4. In other words, the second switch 19 on the handle 15, which includes a sterilization switch 192, directly controls the on / off state and power supply of the sterilization device 4.

[0101] The following is an example illustrating the operation of the oral cleaning device based on the above content.

[0102] Example

[0103] like Figure 23 As shown, in this embodiment, the control panel 14 mounted on the outer casing 1 can perform frequency conversion control on the motor 7. By controlling the rotational speed of the motor 7, multiple speed settings can be achieved, each representing a different cleaning mode. At different speed settings, fluid with different water pressures can be sprayed. The varying water pressures, from low to high, represent cleaning modes ranging from comfortable and gentle to powerful, thus catering to the usage habits of different users.

[0104] First, the user controls the start of motor 7 and pump 6 by turning on the first switch 18. Specifically, after the user turns on the first switch 18, the circuit board electrically or communicatively connected to the first switch 18 receives a trigger signal and activates, starting motor 7. Motor 7 connects to pump 6 to drive pump 6. Through the combination of motor 7 and pump 6, pump 6 can draw water from tank 3 through suction pipe 5. At this time, flow path a is not open to nozzle 2. After pump 6 starts, the second switch 19 is turned on. The second switch 19 includes a sterilization switch 192. The drive assembly 16 supplies power to sterilization device 4 separately. After sterilization switch 192 is turned on, sterilization device 4 starts. The second switch 19 also includes a water outlet switch 191. After water outlet switch 191 is turned on, flow path a is open, and water pumped by pump 6 from tank 3 can be sprayed out from nozzle 2. Since the second switch 19 is a linkage switch including water outlet switch 191 and sterilization switch 192, sterilization device 4 starts, and nozzle 2 starts to dispense water.

[0105] After pump 6 draws water from tank 3 through suction pipe 5, the water enters first connecting pipe 8 and then transparent pipe 10. Since the fixing pipe 41 of sterilization device 4 surrounds transparent pipe 10, it can fix transparent pipe 10 within sterilization device 4. Sterilizer 42, activated by sterilization switch 192 (i.e., ultraviolet germicidal lamp), sterilizes the water passing through transparent pipe 10, performing instantaneous sterilization and inactivation. Then, the treated water is sprayed from nozzle 2 into the oral cavity for cleaning. Because the water sprayed from nozzle 2 is a sterilized and inactivated fluid, it achieves a good cleaning effect by sterilizing the fluid.

[0106] After cleaning the oral cavity, there are two ways to shut it off. One is to first turn off the first switch 18 located on the outer casing 1. At this time, both pump 6 and motor 7 stop operating, and pump 6 stops pumping fluid from the housing 3. After turning off the first switch 18, turn off the second switch 19, thereby simultaneously turning off the water outlet switch 191 and the sterilization switch 192. With the sterilization switch 192 off, the drive assembly 16 stops supplying power to the sterilization device 4, the sterilization device 4 stops sterilizing, and the oral cavity cleaning device is shut down.

[0107] Another method is to first close the second switch 19, thereby simultaneously closing the water outlet switch 191 and the sterilization switch 192. With the sterilization switch 192 closed, the drive assembly 16 stops supplying power to the sterilization device 4, and the sterilization device 4 ceases sterilization. The water outlet switch 191 closes, thus blocking the flow path a, preventing the nozzle 2 from continuing to spray fluid. After closing the second switch 19, the first switch 18 is closed, stopping the pump 6 and motor 7, thereby completing the shutdown of the oral cleaning device.

[0108] Third Implementation Method

[0109] In the third embodiment, the difference from the second embodiment is that the drive component 16 is no longer in the form of a battery, but is a wire connecting a circuit board (not shown) disposed in the housing 1 to the sterilization device 4. The circuit board is electrically connected to an external power source (not shown). The drive component 16 does not have the function of independent power supply as in the second embodiment. The drive component 16 is electrically connected to an external power source. The circuit board disposed in the housing 1 can directly control the on / off state and power supply of the sterilization device 4.

[0110] In this embodiment, the control panel 14 installed on the outer casing 1 can perform frequency conversion control on the motor 7. By controlling the rotational speed of the motor 7, multiple speed settings can be achieved, each representing a different cleaning mode. At different speed settings, fluid with different water pressures can be sprayed. The different water pressures, from low to high, represent a comfortable and gentle to a powerful cleaning mode, which is beneficial for adapting to the usage habits of different users.

[0111] like Figure 24 As shown, firstly, the user controls the start of motor 7 and pump 6 by turning on the first switch 18. Specifically, after the user turns on the first switch 18, the circuit board electrically or communicatively connected to the first switch 18 receives a trigger signal and activates, starting motor 7. Motor 7 connects to pump 6 to drive pump 6. Through the combination of motor 7 and pump 6, pump 6 can draw water from tank 3 through suction pipe 5. In this embodiment, after the user turns on the first switch 18, pump 6 starts, and external power begins to supply power to sterilization device 4 (since the second switch 19 is not turned on at this time, sterilization device 4 does not work temporarily). Then, the second switch 19 is turned on. Since the second switch 19 is a linkage switch including water outlet switch 191 and sterilization switch 192, sterilization device 4 starts, and nozzle 2 begins to dispense water.

[0112] After pump 6 draws water from tank 3 through suction pipe 5, the water enters first connecting pipe 8 and then transparent pipe 10. Since the fixing pipe 41 of sterilization device 4 surrounds transparent pipe 10, it can fix transparent pipe 10 within sterilization device 4. Sterilizer 42, i.e., ultraviolet germicidal lamp, sterilizes the water passing through transparent pipe 10, enabling instantaneous sterilization and inactivation.

[0113] Then, the treated water is sprayed from nozzle 2 into the mouth to clean it.

[0114] After cleaning the mouth, the user turns off the second switch 19, at which point the nozzle 2 stops dispensing water. Then, the first switch 18 is turned off, stopping the pump 6 and motor 7, thus shutting down the oral cleaning device.

[0115] Furthermore, since the drive assembly 16 cannot supply power to the sterilization device 4 independently, the step of turning off the second switch 19 can be skipped, and the first switch 18 can be turned off directly. After turning off the first switch 18, the pump 6 and motor 7 stop operating, and the power supply to the sterilization device 4 is simultaneously cut off, so the sterilization device 4 is also turned off synchronously. Thus, the user has completed the shutdown of the oral cleaning device.

[0116] Those skilled in the art will understand that specific technical features in various embodiments or modifications can be adaptively split or combined. Such splitting or combining of specific technical features will not cause the technical solution to deviate from the principles of the present invention; therefore, the technical solutions after splitting or combining will all fall within the protection scope of the present invention.

[0117] The technical solutions of the present invention have been described in conjunction with the accompanying drawings and various embodiments. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions resulting from such changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. An oral cleaning device, comprising a housing, a chamber mounted on the housing for containing fluid, and a nozzle communicating with the chamber, characterized in that, A flow path for fluid circulation is formed between the housing and the nozzle. The oral cleaning device also includes a sterilization device disposed on the flow path. The oral cleaning device includes a first connecting pipe communicating with the housing, a second connecting pipe communicating with the nozzle, and a transparent tube disposed between the first connecting pipe and the second connecting pipe, the transparent tube being a quartz glass tube. The sterilization device includes a fixed tube surrounding the transparent tube and a sterilizer fixed on the fixed tube. The sterilization device is positioned opposite the transparent tube. The fixed tube includes a sterilizer receiving portion and a front tube portion and a rear tube portion located at both ends of the sterilizer receiving portion. The outer diameter of the front tube portion and the rear tube portion matches the inner diameter of the first connecting tube or the second connecting tube, respectively. A first through hole is formed on the sterilizer, and a second through hole corresponding to the first through hole and through which the same fastener passes is formed on the receiving part of the sterilizer. The oral cleaning device also includes a control panel and a motor controlled by the control panel. The start-up timing of the motor is related to that of the sterilization device. The motor and the sterilization device start synchronously, or they start separately by starting the motor after a predetermined time.

2. The oral cleaning device as described in claim 1, characterized in that, The first connecting pipe, the second connecting pipe, and the transparent pipe constitute part of the flow path.

3. The oral cleaning device as described in claim 1, characterized in that, The sterilizer is any one of an ultraviolet germicidal lamp, a microwave sterilizer, or a magnetic sterilizer.

4. The oral cleaning device as described in claim 1, characterized in that, A sealing ring is provided at the connection between the transparent tube and the first connecting tube or the second connecting tube.

5. The oral cleaning device as described in any one of claims 1-3, characterized in that, The control panel is electrically connected to the sterilization device and controls the operation of the sterilization device.

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