Mini portable tooth washer with optional water tank

Abstract

The application discloses a mini portable tooth washer without a water tank, which can be equipped with a water tank. The design of the improved connection of the nozzle and the water tank reduces the sealing points and simplifies the structure. The rotating shaft of the motor and the plunger axis of the pump of all the small tooth washers on the market are arranged on a straight line, so the product is relatively high. The application adopts the arrangement that the rotating shaft of the motor and the plunger axis of the pump form an included angle, thereby reducing the height of the product. The connection mode of the nozzle of all the small tooth washers on the market is to use the spring force to clamp the groove at the root of the nozzle. When the nozzle is pulled out, a release key needs to be pressed by fingers. The position of the release key also needs to be waterproof sealed. The application adopts a thread formed on the outer wall of the round column at the root of the nozzle, and uses the thread connection, thereby reducing a sealing point and reducing the spring, the key and the sealing element and other parts. The application uses a water tank connector, which separately designs the water tank connection into a component, and is connected with the machine shell at the top and various water tanks at the bottom, so that the product structure is simple, small and portable.

Description

Technical Field

[0001] This invention relates to a dental flosser, specifically a miniature portable dental flosser with an optional water tank. Background Technology

[0002] As people's living standards improve, more and more people are paying attention to oral hygiene, and dental flossers have become a daily teeth cleaning tool. The cleaning effect of a dental flosser is achieved by the impact force of a high-speed, high-frequency jet of water under pressure. Food debris and sap stuck between teeth and in the gum line at the tooth root are not only uncomfortable and carry bacteria, but more importantly, they provide nutrients for plaque. If not removed promptly, plaque easily calcifies into tartar, accumulating at the tooth root, compressing and irritating the periodontal environment, leading to periodontal atrophy. Common teeth cleaning tools such as toothbrushes, toothpicks, and dental floss cannot clean the area in the gum line at the tooth root. Dental flossers can effectively clean teeth and improve people's health.

[0003] Existing water flossers are relatively large, typically including a water pump, motor, control circuit board, nozzle, suction tube, and water tank. During operation, water is first poured into the tank, then the motor drives the pump to draw water from the tank, and a high-speed stream of water is ejected from the nozzle. The typical structure of products on the market involves the motor driving the water pump and the pump body mounted on the same axis. The nozzle has a groove at its base, secured by a spring force; to remove the nozzle, a spring-release button must be pressed. The water tank is integrated with the machine, and a suction tube is inserted into the tank, resulting in a large size, a relatively high profile, and inconvenient portability. Summary of the Invention

[0004] The present invention has a simple structure, beautiful appearance and small size. The pin (18) is inserted into the pin hole (52) on the outer shell and the pin hole (24) of the water tank connector to combine the outer shell (1) and the water tank connector (2) into one unit. The internal components include pump body (19), motor (22), battery, switch button circuit board (39), charging interface circuit board (40), main control circuit board (41) and other components. Among them, the water tank connector pin hole (24) on the water tank connector (2) is a closed hole and is located above the clip telescopic hole (25). No sealing is required here, saving a sealing point; there is a groove (51) around the upper part of the water tank connector (2) for installing a sealing ring on the connector head. The water tank sealing ring (15) is installed in the groove (51) for installing the sealing ring on the connector head. There is a water tank connector pin hole (24) and a clip telescopic hole (25) on each of its left and right sides. The water tank connector pin hole (24) on the water tank connector head is above the clip telescopic hole (25). In addition to installing the clip (5) and the spring (6), the spring groove sealing plate (16) is also installed in the spring and clip mounting groove (30).

[0005] The top of the outer casing (1) has a nozzle connection hole (23), and there is a slightly raised step (54) around the nozzle connection hole (23); the nozzle (3) with the nozzle root cylindrical wall thread (44) at the bottom passes through the nozzle connection hole (23) and the water outlet sealing ring (43) on the outer casing (1) and is inserted into the threaded water outlet (21). The nozzle (3) can be firmly connected by rotating it, and can be removed by rotating it in the opposite direction; there is a section of cylinder (57) at the nozzle root below the nozzle (3), and there is a section of nozzle root cylindrical wall thread (44) on the outer wall of the cylindrical surface near the bottom end. The nozzle (3) is also provided with 6 feather-shaped wings (56) to prevent slippage when rotating the fingers. The inner wall of the water outlet (21) has a water outlet inner wall thread (42), and there is also a water outlet inner sealing ring installation plane (50) inside. The water outlet sealing ring (43) is installed on the water outlet inner sealing ring installation plane (50) and is pressed between the outer shell (1) inner wall (35) and the water outlet inner sealing ring installation plane (50), which prevents the water pumped out by the water pump from leaking out and also prevents the water on the outer shell (1) from seeping into the dental irrigator.

[0006] There is a pin hole (52) on each side near the bottom of the outer casing (1). There is a switch button mounting hole (26) in the middle of the front. The switch button (8) is installed in the switch button mounting hole (26). The light from the internal LED light (60) shines out and illuminates the LOGO pattern on the switch button (8). There is a charging plug hole (27) near the top of the left side of the outer casing (1). There is a groove (55) around the charging plug hole. The charging port sealing piece (17) is stuck in the groove (55) around the charging plug hole. The charging plug passes through the charging plug hole (27) and is inserted into the water flosser to charge the battery. This can prevent water from seeping into the interior during use.

[0007] The dental flosser has an upper bracket (10) and a lower bracket (11) inside. The upper bracket (10) has 8 bracket screw holes (58) for connecting with the lower bracket (11). The two are fixed together by 8 bracket screws (59) inserted into the bracket screw holes (58). The upper bracket (10) also has 2 circuit board screw holes (65) for fixing the circuit board and 2 square holes for hanging the battery box. There is a raised upper bracket light-blocking wall (66) around the installation position of its switch button circuit board (39). The upper ends of the two brackets abut against the inner wall of the outer shell (35) and the lower ends abut against the inner wall of the water tank connector (36). There are no screws connecting the brackets and the outer shell (1) or the brackets and the water tank connector (2). Instead, they are stuck between the inner walls of the two and do not need to be fixed with screws. The inlet head (20), outlet head (21), charging interface circuit board (40), pump body (19), and motor (22) are all locked in the bracket cavity (64) inside the upper bracket (10) and lower bracket (11).

[0008] The upper bracket (10) and lower bracket (11) have square holes (37) for battery boxes. The hooks (53) of the two battery boxes are inserted into the square holes (37) to hang the battery boxes on the upper bracket (10) and lower bracket (11). The surface of the battery box (12) has a raised light-blocking wall (67). The battery box cover (13) is made of elastic soft rubber material, which tightly presses against the upper bracket (10) and lower bracket (11) and is pressed by the bracket to prevent moisture from entering the battery. The upper bracket (10) has two small holes (38) for fixing the circuit board. Screws are inserted into the small holes (38) to fix the circuit board. There are three circuit boards in total. The main control circuit board (41) and the switch button circuit board (39) are fixed by the circuit board screw holes (65). The charging interface circuit board (40) is fixed by the bracket. The switch button circuit board (39) has a switch button (62) and 12 LEDs (60) that can emit three different colors of light.

[0009] In order to reduce the product height, the motor (22) and the pump body (19) are not arranged in a straight line. The motor rotation shaft (48) of the motor (22) and the pump plunger shaft (49) of the pump plunger (63) are neither coincident nor parallel, forming an inclined angle of 125 degrees.

[0010] The water tank connector (2) has a circular groove (28) at the center of its bottom, with a circular groove wall thread (29) on the groove wall; there is a hollow column (45) at the center of the circular groove (28), the water tank inlet (46) is a through hole, and the water suction pipe (47) is fitted onto this hollow column (45), which can be pulled out and removed when not needed; there are two spring and clip mounting slots (30) symmetrically distributed on both sides of the circular groove (28). The spring and clip mounting slot (30) contains a clip (5) and a spring (6). The spring and clip mounting slot (30) is sealed with a waterproof spring slot sealing sheet (16). The clip head (31) of the clip (5) extends outward from the clip telescopic hole (25) on the wall. One end of the spring (6) presses against the clip tail (32) of the clip (5), and the other end presses against the inner wall (33) of the spring mounting slot (30). The spring force allows the clip (5) to extend and retract, and can be inserted into the square water tank hanging hole (34) of the square water tank (4) to hang the square water tank (4) on the water flosser. Pulling the square water tank (4) can remove the water tank and store the water flosser in the water tank, reducing the volume and increasing portability.

[0011] This invention uses a variety of water source connection methods: 1. Without a water tank, when in use, the nozzle (3) is rotated and connected to the water flosser, and the suction tube (47) is inserted. The water flosser directly draws water or other liquids from the cup (7) or other containers to rinse the teeth. When not in use, the nozzle (3) is rotated in the opposite direction to remove it, and the suction tube (47) is pulled off. 2. Using a square water tank (4), the water flosser is stored in the water tank. When in use, the water flosser is taken out of the water tank, filled with water, and then the water tank is hung on the water flosser by the clip (5) on the water flosser. 3. Through the bottom circular groove wall thread (29), a bottle (9) with a threaded opening containing water or other liquid is inserted into the circular groove (28) at the bottom of the water flosser and fixed to the water flosser by the threaded connection. The liquid in the bottle is drawn out. The nozzle (3) passes through the outer shell and then through the water outlet sealing ring (43), and is connected to the internal water outlet (21) by threads. The suction pipe (47) is sleeved on the hollow column (45) at the bottom of the water flosser. Detailed Implementation

[0012] The present invention relates to a miniature portable dental flosser with an optional water tank. Its core functionality lies in achieving compactness, portability, and adaptability to various scenarios through optimized structural design. Specific implementation details are as follows: Overall assembly structure

[0013] The outer shell (1) and the water tank connector (2) are fixed together by a pin (18) inserted into the pin hole (52) on the outer shell and the pin hole (24) on the water tank connector. The water tank sealing ring (15) is installed in the groove (51) on the upper part of the connector of the water tank connector (2). The pin hole (24) on the water tank connector and the clip telescopic hole (25) are set on the left and right sides respectively. The pin hole (24) on the water tank connector is located above the clip telescopic hole (25), and no additional sealing is required. The clip (5), spring (6) and spring groove sealing plate (16) are installed in the spring and clip mounting groove (30) in sequence to achieve sealing protection.

[0014] The nozzle (3) with a cylindrical wall thread (44) at the bottom of the nozzle (1) passes through the nozzle connection hole (23) and the water outlet sealing ring (43), and is fixed to the water outlet (21) with the water outlet inner wall thread (42) by rotating the thread. It can be disassembled by rotating in the opposite direction. The feather-shaped wing edge (56) of the nozzle (3) is easy to operate and non-slip. The water outlet sealing ring (43) on the plane (50) where the sealing ring is installed inside the water outlet is pressed between the inner wall (35) of the outer casing and the plane, so as to achieve bidirectional waterproofing.

[0015] The outer casing (1) has pin holes (52) on both sides near the bottom. The switch button (8) is installed in the switch button mounting hole (26) in the upper middle of the front. The internal LED light (60) can light up the LOGO pattern on the switch button (8). The charging plug hole (27) near the top on the left side has a groove (55) around the charging plug hole. The charging port sealing piece (17) is snapped into the groove to prevent water from entering.

[0016] The upper bracket (10) and lower bracket (11) inside the water flosser are fixed by eight bracket screws (59) inserted into the bracket screw holes (58), and are directly clipped between the inner wall (35) of the outer shell and the inner wall (36) of the water tank connector. The water inlet head (20), water outlet head (21), charging interface circuit board (40), pump body (19), and motor (22) are all clipped into the slots (64) inside the bracket. The upper bracket (10) fixes the main control circuit board (41) and the switch button circuit board (39) through the circuit board screw holes (65). The charging interface circuit board (40) is directly clipped by the bracket. The switch button circuit board (39) is equipped with a switch button (62) and 12 LED lights (60), which can emit three different colors of light.

[0017] The battery box (12) is inserted into the square hole (37) of the battery box bracket through the hook (53) and hung on the upper and lower brackets. The battery box cover (13) is made of elastic soft rubber material and is pressed by the bracket to isolate moisture. The light-blocking wall (67) on the surface of the battery box cooperates with the light-blocking wall (66) of the upper bracket to play a role in blocking light and protection.

[0018] The motor (22) and the pump body (19) are installed in a non-collinear manner. The motor rotation shaft (48) and the pump plunger shaft (49) form a 125-degree inclined angle, which effectively reduces the product height.

[0019] The inner wall of the circular groove (28) at the bottom center of the water tank connector (2) is provided with a circular groove wall thread (29). The hollow column (45) at the center position is fitted with a water suction pipe (47). The water tank inlet hole (46) is a through hole. In the spring and clip mounting groove (30) on both sides of the circular groove (28), one end of the spring (6) is pressed against the inner wall (33) of the spring mounting groove, and the other end is pressed against the tail of the clip (32), so that the head (31) of the clip can extend and retract from the clip telescopic hole (25) to achieve the snap-fit ​​and separation with the square water tank hanging hole (34) of the square water tank (4).

[0020] Water source connection and usage

[0021] For use without a water tank: Rotate the nozzle (3) to the water flosser, insert the suction tube (47), and draw water or other liquid directly from the cup (7) or other container to rinse the teeth; after use, rotate in the opposite direction to remove the nozzle (3) and unplug the suction tube (47).

[0022] Square water tank fits: When the water flosser is not in use, it can be stored in the square water tank (4). When in use, take out the water tank and fill it with water. Hang the water tank on the water flosser by connecting the clip (5) with the hanging hole (34) of the square water tank and draw out the liquid in the tank.

[0023] Threaded bottle adapter: Connect the threaded bottle (9) containing liquid to the bottom of the water tank connector (2) via the circular groove wall thread (29) and fix it in place. Then, draw out the liquid from the bottle for use.

[0024] During all assembly and use, all sealing components (water tank sealing ring 15, water outlet sealing ring 43, charging port sealing plate 17, spring groove sealing plate 16) maintain their original sealing function to prevent water or moisture from seeping into the equipment. Attached Figure Description

[0025] Figure 1. Perspective view of the present invention

[0026] Figure 2 Top view of the invention

[0027] Figure 3. Bottom view of the invention

[0028] Figure 4 Front view of the invention

[0029] Figure 5. Left view of the invention

[0030] Figure 6 Right view of the invention

[0031] Figure 7. Diagram of the usage state of the present invention

[0032] Figure 8. 3D view of the outer shell

[0033] Figure 9. 3D view of the water tank connector

[0034] Figure 10. 3D view of the upper support

[0035] Figure 11 Inner view of the upper bracket

[0036] Figure 12. 3D view of the battery box

[0037] Figure 13 Front view of the battery box

[0038] Figure 14. 3D view of the water outlet head

[0039] Figure 15. 3D view of the nozzle

[0040] Figure 16 Front view with the outer shell removed

[0041] Figure 17 Front view after removing the casing and battery compartment

[0042] Figure 18 Cross-sectional view

[0043] Figure 19 Drawing liquid from a water glass

[0044] Figure 20 Drawing liquid from a bottle

[0045] Figure 21. Liquid being drawn from a square water tank.

[0046] Figure 22 Switch button circuit board

[0047] Figure 23 Left view with the outer shell removed

[0048] Figure 24 Front view without the upper bracket

[0049] Figure 25. 3D view after removing the upper support.

[0050] Figure 26 Installation location diagram of motor and water pump

[0051] In the diagram: 1. Outer casing 2. Water tank connector 3. Nozzle 4. Square water tank 5. Clip 6. Spring 7. Cup 8. Switch button 9. Bottle 10. Upper bracket 11. Lower bracket 12. Battery compartment 13. Battery compartment cover 14. Filter head 15. Water tank sealing ring 16. Spring groove sealing plate 17. Charging port sealing plate 18. Pin 19. Pump body 20. Inlet head 21. Outlet head 22. Motor 23. Nozzle connection hole 24. Water tank connector pin hole 25. Clip telescopic hole 26. Switch button mounting hole 27. Charging plug hole 28. Circular groove 29. Circular groove wall thread 30. Spring and clip mounting groove 31. Clip head 32. Clip tail 33. Spring mounting groove inner wall 34. Square water tank hanging hole 35. Outer casing inner wall 36. 37. Inner wall of water tank connector. 38. Square hole in battery compartment of bracket. 39. Small hole for fixing circuit board on bracket. 40. Switch button circuit board. 41. Charging interface circuit board. 42. Main control circuit board. 43. Threaded inner wall of water outlet. 44. Water outlet sealing ring. 45. Threaded cylindrical wall at nozzle root. 46. Hollow column. 47. Water tank inlet. 48. Suction pipe. 49. Motor rotating shaft. 50. Water pump plunger shaft. 51. Flat surface for installing sealing ring inside water outlet. 52. Groove for installing sealing ring on connector. 53. Pin hole on outer casing. 54. Hook on battery compartment. 55. Raised step. 56. Groove around charging connector. 57. Feather-shaped wing. 58. Cylindrical shape at nozzle root. 59. Bracket screw hole. 60. Bracket screw. 61. LED light. 62. Screw for fixing circuit board. 63. Switch button. 64. Water pump plunger. 65. Inner cavity of bracket. 66. Screw hole of circuit board. 67. Light-blocking wall of upper bracket. 68. Light-blocking wall of battery box. 69. Gear shaft groove. 70. Screw hole on circuit board. 71. Gear shaft.

Claims

1. A miniature portable dental flosser with an optional water tank, characterized in that: The motor rotation shaft (48) of the motor (22) and the pump plunger axis (49) of the pump plunger (63) are neither coincident nor parallel, forming an angle; eight bracket screws (59) are inserted into the bracket screw holes (58) to fix the upper bracket (10) and the lower bracket (11) together; the inlet head (20), outlet head (21), charging interface circuit board (40), pump body (19), and motor (22) are locked in the bracket inner cavity (64) inside the upper bracket (10) and lower bracket (11); the outlet head (21) has an outlet inner wall thread (42) on its inner wall; the outlet head (21) There is also a plane (50) for installing a sealing ring inside the water outlet, and a water outlet sealing ring (43) is installed on the plane (50) for installing the sealing ring inside the water outlet; there are three circuit boards in total, the main control circuit board (41) and the switch button circuit board (39) are fixed to the upper bracket (10) by screws (61) for fixing the circuit boards; the switch button circuit board (39) has a switch button (62) and an LED light (60); the hook (53) of the battery box is inserted into the square hole (37) of the battery box of the upper bracket (10) to hang the battery box (12) on the upper bracket (10), and the battery box cover (13) is tightly pressed against the upper bracket (10) and the lower bracket (11); there is a housing pin hole (52) on each side near the bottom of the outer shell (1), and the outer shell (1) and the water tank connector (2) are fastened together by two pins (18), the outer shell (1) There is a charging port (27) near the top left side. There is a groove around the charging port. The charging port sealing piece (17) is stuck in the groove (55) around the charging port. There is a switch button mounting hole (26) slightly above the center of the front of the outer shell (1). The switch button (8) is installed in the switch button mounting hole (26). The light from the LED light (60) inside the water irrigator shines out and lights up the LOGO on the switch button (8). The pattern shows that there is a nozzle connection hole (23) on the top left of the outer shell (1), and there is a raised step (54) around the nozzle connection hole (23); there is a section of nozzle root cylinder (57) at the root of the nozzle (3), and there is a section of nozzle root cylinder wall thread (44) on the outer wall of the nozzle root cylinder (57) near the bottom; there is a water outlet inner wall thread (42) on the inner wall of the water outlet (21); there is a plane (50) inside the water outlet (21) for installing a sealing ring inside the water outlet, and a water outlet sealing ring (43) is installed on the plane (50) for installing the sealing ring inside the water outlet.The upper part of the water tank connector (2) has a groove (51) for installing a sealing ring on the connector head. A water tank sealing ring (15) is installed in the groove (51) on the connector head. There is a circular groove (28) in the middle of the bottom. The outer wall of the circular groove (28) has a circular groove wall thread (29). There is a hollow column (45) in the center of the circular groove (28). Two spring and clip mounting slots (30) are symmetrically distributed on both sides of the circular groove (28). There is a water tank connector pin on each of the left and right sides of the water tank connector (2). The water tank connector pin hole (24) and the clip telescopic hole (25) are located above the clip telescopic hole (25). A pin (18) is installed in the water tank connector pin hole (24). A clip (5) and a spring (6) are installed in the spring and clip mounting groove (30). One end of the spring (6) abuts against the tail of the clip (32), and the other end of the spring (6) abuts against the inner wall (33) of the spring mounting groove. The head (31) of the clip protrudes from the clip telescopic hole (25). A spring groove sealing plate (16) is also installed in the spring and clip mounting groove (30).

2. The miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: The motor (22) rotating shaft (48) and the pump plunger (63) and the pump plunger axis (49) form an angle, the angle between the motor rotating shaft (48) and the pump plunger axis (49) is 125 degrees.

3. A miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: Below the nozzle (3) is a cylindrical section (57) at the root of the nozzle. Near the bottom of the nozzle root, there is a cylindrical wall thread (44) at the root of the nozzle. The nozzle (3) also has 6 feather-like wings (56).

4. A miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: The water tank connector pin hole (24) on the water tank connector (2) is a closed hole and is located above the clip telescopic hole (25).

5. A miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: The switch button circuit board (39) has a switch button (62) and 12 LEDs (60) that emit three different colors of light.

6. A miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: The upper bracket (10) has 8 bracket screw holes (58) for connecting with the lower bracket (11), 2 holes (69) for mounting screws on the circuit board for fixing the circuit board, and 2 bracket battery box square holes (37) for hanging the battery box. Around the mounting position of the upper switch button circuit board (39) on the upper bracket (10), there is an upper bracket light-blocking wall (66).

7. A miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: An outlet sealing ring (43) is installed on the outlet head (21). The outlet sealing ring (43) is pressed between the inner wall (35) of the outer casing and the plane (50) on which the sealing ring is installed inside the outlet head (21).

8. A miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: The battery box (12) has two hooks (53) on the battery box and a light-blocking wall (67) on the battery box.

9. A miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: The upper bracket (10) and lower bracket (11) are not connected by screws between the bracket and the outer shell (1) and between the bracket and the water tank connector (2). The upper bracket (10) and lower bracket (11) are locked between the inner wall (35) of the outer shell and the inner wall (36) of the water tank connector.

10. A miniature portable dental flosser with an optional water tank according to claim 1, characterized in that: The battery box cover (13) is made of a flexible soft rubber material.

11. The miniature portable dental flosser with an optional water tank according to claim 1, characterized in that... The nozzle passes through the outer shell, then through the water outlet sealing ring (43), and is connected to the internal water outlet via threads. The suction pipe (47) is fitted onto the hollow column (45) at the bottom of the water flosser.

12. The miniature portable dental flosser with an optional water tank according to claim 1, characterized in that... When in use, rotate the nozzle (3) to connect to the water flosser and insert the suction tube (47). When not in use, rotate the nozzle (3) in the opposite direction to remove it and pull off the suction tube (47).

13. The miniature portable dental flosser with an optional water tank according to claim 1, characterized in that... Water or other liquid supplied to the flosser is contained in a square water tank (4) and is attached to the flosser by a clip (5).

14. The miniature portable dental flosser with an optional water tank according to claim 1, characterized in that... Water or other liquid supplied to the water flosser is placed in a bottle (9) with a threaded opening, inserted into the circular groove (28) at the bottom of the water flosser, and fixed to the water flosser by a threaded connection.

15. The miniature portable dental flosser with an optional water tank according to claim 1, characterized in that... Water or other liquid supplied to the flosser is placed in a cup (7), from which the flosser draws directly.

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