An electric dental floss box

Abstract

The present invention provides an electric dental floss box, belonging to the technical field of dental floss boxes. It solves the problems that existing dental floss boxes only have one cavity for placing dental floss sticks, and the maximum number of dental floss sticks that can be stored in a dental floss box at one time is very small. The present invention comprises a box body and a storage seat. The storage seat is rotatably arranged in the inner cavity of the box body. The storage seat is provided with a plurality of vertical storage cavities, and dental floss sticks are stacked in each storage cavity. The box body is provided with a discharge port, and the box body is provided with a discharge station. The discharge station corresponds to the inside and outside of the discharge port. A driving mechanism is provided in the box body to drive the storage seat to rotate so that each storage cavity rotates to the discharge station in sequence. When the storage seat rotates, the driving mechanism synchronously pushes the dental floss sticks in the storage cavity at the discharge station out of the discharge port. The advantage of the present invention is that the storage seat is provided with multiple storage cavities. Compared with ordinary dental floss boxes, more dental floss sticks can be stored while maintaining the same overall height.

Description

Technical Field

[0001] The invention belongs to the technical field of dental floss boxes and relates to an electric dental floss box. Background Art

[0002] Dental floss is a very common household dental care product, serving as both a toothpick and dental floss. It removes plaque, soft deposits, and food debris, effectively protecting the gums and minimizing damage to teeth and gums. Traditional dental floss containers come in boxes or bags, requiring you to open the box or plastic bag to remove the floss each time you use it. This can cause your fingers to touch other unused floss sticks, causing contamination.

[0003] In the existing electric dental floss box, a whole stack of dental floss sticks is placed in the inner cavity of the dental floss box. A swing rod is provided on the dental floss box, and the swing rod is located below the dental floss sticks. When the swing rod rotates, the bottom dental floss stick is pushed out in turn, and the rest of the dental floss sticks above fall down automatically. The dental floss sticks are pushed out in order from bottom to top by the swing rod.

[0004] Although this type of electric dental floss box can automatically push out dental floss sticks, there is only one chamber for placing dental floss sticks on a dental floss box. The maximum number of dental floss sticks that can be stored in the dental floss box at one time is very small, and dental floss sticks need to be added to the dental floss box after using it for a period of time. Summary of the Invention

[0005] The purpose of the present invention is to address the above-mentioned problems existing in existing electric dental floss boxes and to propose an electric dental floss box having multiple independent accommodating chambers for placing dental floss sticks, and each accommodating chamber can push out dental floss sticks in sequence from the same discharge port.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] An electric dental floss box comprises a box body and a accommodating seat, which is rotatably arranged in the inner cavity of the box body. The characterised in that the accommodating seat is provided with a number of vertical accommodating cavities, and dental floss sticks are stacked in each accommodating cavity. The box body is provided with a discharge port, and a discharge station is provided in the box body, which corresponds to the inside and outside of the discharge port. A driving mechanism is provided in the box body to drive the accommodating seat to rotate so that each accommodating cavity is rotated to the discharge station in turn. When the accommodating seat rotates, the driving mechanism synchronously pushes the dental floss sticks in the accommodating cavity on the discharge station out of the discharge port.

[0008] In the above-mentioned electric dental floss box, the box body includes a base, an outer cover and a top cover arranged in sequence from bottom to top, the receiving seat is rotatably arranged on the base, the outer cover is fixed on the outer periphery of the receiving seat, and the top cover is fixed above the receiving seat.

[0009] In the above-mentioned electric dental floss box, the driving mechanism includes a tray, a lever, and a driving motor. The tray is rotatably arranged on the base, the accommodating seat is fixed on the tray, the driving motor is fixed at the bottom of the base and drives the tray to rotate through a transmission mechanism, the lever is rotatably arranged at the bottom of the tray, and a lever is correspondingly provided under each accommodating cavity. A driving guide device is also provided between the tray and the lever. The driving mechanism drives the tray to rotate. When the tray rotates, the lever can be driven to swing back and forth horizontally through the driving guide device; when the tray rotates to one of the accommodating cavities and enters the discharging station, the lever under the accommodating cavity swings synchronously from the inside to the outside, pushing the dental floss stick in the accommodating cavity out of the discharging port.

[0010] In the above-mentioned electric dental floss box, the driving guide device includes a guide column, a guide groove 1 opened on the tray, and a guide groove 2 opened on the base. One end of the lever is rotatably connected to the tray, and the other end is fixedly connected to the guide column. The upper end of the vertical guide column is embedded in the guide groove 1, and the lower end is embedded in the guide groove 2.

[0011] In the above-mentioned electric dental floss box, the shape of the guide groove 1 is a circular arc groove with the rotation center of the lever as the center of the circle, one end of the circular arc groove is close to the center of the tray, and the other end is away from the center of the tray; the shape of the guide groove 2 is an eccentric cam groove with the axis of the base as the center of the circle.

[0012] In the above-mentioned electric dental floss box, a guiding slope is provided on the top of the guide column, and the guiding slope faces the center of the tray.

[0013] In the above-mentioned electric dental floss box, a mounting rod is provided at the bottom of the tray, and the driving rod is fixed to the mounting rod by buckling up and down. A circle of bosses is provided on the bottom surface of the mounting rod, and the driving rod is clamped between the bosses and the tray; an avoidance groove is provided at the bottom of the boss, which provides space for the boss to deform when the driving rod is installed; the tray, mounting rod and boss are integrally processed and molded, and a demolding hole that is adapted to the shape of the boss is also provided on the tray.

[0014] In the above-mentioned electric dental floss box, the transmission mechanism includes a worm, a pinion, and a large ring gear. The worm is fixedly connected to the output shaft of the drive motor, the pinion is rotatably arranged on the tray, and the large ring gear is fixed to the bottom of the tray. One end of the pinion is engaged with the worm, and the other end is engaged with the large ring gear.

[0015] In the above-mentioned electric dental floss box, a contact switch is fixedly provided on the base, and a plurality of protrusions corresponding to the number of the accommodating cavities are fixedly provided on the bottom of the tray. When the tray rotates, each protrusion can trigger the above-mentioned contact switch to close in sequence.

[0016] In the above-mentioned electric dental floss box, the accommodating seat is fixedly connected to the tray in upper and lower parts, a plurality of limit blocks are fixed on the tray, a plurality of limit slots corresponding to the limit blocks are opened on the accommodating seat, the limit blocks are provided with inverted hooks, and the accommodating seat is provided with a card slot corresponding to the inverted hook and capable of being engaged; the limit blocks are inserted into the corresponding limit slots, and the inverted hooks are locked in the corresponding card slots.

[0017] In the above-mentioned electric dental floss box, the electric dental floss box also includes a candlelight imitation lighting device, which includes a candlelight piece, a mounting bracket, and a candlelight PCB board. The mounting bracket is fixed on the base, and the candlelight piece is movably set on the mounting bracket. A magnet is fixed on the bottom of the candlelight piece, and the candlelight PCB board is fixed on the mounting bracket and is located directly below the magnet. A coil is provided on the candlelight PCB board, which intermittently provides magnetic force to act on the magnet to make the candlelight piece shake. A light bulb is also provided on the candlelight PCB board for illuminating the candlelight piece above.

[0018] In the above-mentioned electric dental floss box, the mounting bracket is arranged in the inner cavity of the outer cover, a through hole is opened on the top of the outer cover, and the candle flame passes through the through hole from bottom to top and extends out of the outer cover. The top cover is made of transparent material, and the light of the bulb passes through the through hole and illuminates the top cover.

[0019] In the above-mentioned electric dental floss box, the mounting bracket is fixed to the base by buckling up and down, a positioning column is provided at the bottom of the mounting bracket, and a positioning sleeve is provided on the base, and the positioning column is embedded in the inner hole of the positioning sleeve; the outer periphery of the positioning column is also provided with a plurality of vertical limit strips, and the positioning sleeve is provided with a plurality of limit slots corresponding to each limit strip, and each limit strip is embedded in the corresponding limit slot.

[0020] In the above-mentioned electric dental floss box, a cantilever is fixedly provided on the top of the mounting bracket, and a mounting portion is provided on the top of the cantilever. The candle piece is movably arranged on the mounting portion. A mounting hole is opened on the candle piece, and the mounting portion is inserted into the mounting hole. A through hole is opened on the mounting portion and passes through the upper and lower parts. Two mounting posts are fixedly provided on the candle piece, and the two mounting posts are vertically spaced apart from each other. The mounting portion is inserted between the two mounting posts, and the ends of the two mounting posts are respectively oriented toward the two ends of the above-mentioned through hole.

[0021] In the above-mentioned electric dental floss box, the candlelight PCB board is buckled and fixed to the mounting bracket. The top surface of the mounting bracket is provided with a positioning groove, and the candlelight PCB board is fixedly embedded in the positioning groove.

[0022] In the above-mentioned electric dental floss box, an ultraviolet lamp is further provided at the bottom of the candlelight PCB board.

[0023] In the above-mentioned electric dental floss box, the electric dental floss box also includes a main PCB board and a battery fixed on the base. The battery supplies power to the main PCB board, and the main PCB board supplies power to the drive motor and the candle PCB board.

[0024] In the above-mentioned electric dental floss box, the main PCB board is provided with a control key, which is used to control the operation of the drive motor; the main PCB board is also provided with a button, which is used to control the operation of the candle PCB board and the ultraviolet lamp; the main PCB board is also provided with a charging port, through which the battery is charged.

[0025] In the above-mentioned electric dental floss box, the control keys include buttons and sensors, and the sensors include touch switches, induction radars, and infrared sensors.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The storage base is provided with multiple cavities. Compared with ordinary dental floss boxes, the dental floss box of the present invention can store more dental floss sticks while maintaining the same overall height, eliminating the need to frequently add dental floss sticks to the box.

[0028] 2. There is only one outlet on the dental floss box. The multiple cavities rotate in sequence to correspond to the outlet. When the accommodating seat rotates, the lever under the corresponding accommodating cavity can push the dental floss stick in the accommodating cavity out of the outlet for easy removal.

[0029] 3. The candle flame PCB board works intermittently to provide magnetic force to the magnet, causing the candle flame to shake, creating an effect that simulates candle flame. While the dental floss box can satisfy the function of storing dental floss sticks, it can also be used as an atmosphere light that imitates candle flame effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 is a schematic diagram of the present invention after the top cover is opened;

[0032] Figure 3 is a schematic diagram of the present invention after the outer cover is opened;

[0033] Figure 4 It is a schematic diagram of the installation of the tray of the present invention;

[0034] Figure 5 It is a structural schematic diagram of the base of the present invention;

[0035] Figure 6 is a schematic diagram of the transmission mechanism of the present invention;

[0036] Figure 7 It is a structural schematic diagram of the lever and the tray of the present invention;

[0037] Figure 8 is a schematic diagram of the candlelight imitating lighting device of the present invention;

[0038] Figure 9 It is a schematic diagram of the installation of the mounting bracket and the base of the present invention.

[0039] In the figure, 1. base; 2. outer cover; 3. top cover; 4. accommodating seat; 5. accommodating cavity; 6. discharge port; 7. tray; 8. lever; 9. drive motor; 10. guide column; 11. guide groove 1; 12. guide groove 2; 13. guide slope; 14. mounting rod; 16. avoidance groove; 17. demoulding hole; 18. worm; 19. small gear; 20. large ring gear; 21. contact switch; 22. bump; 23. undercut; 24. limit block; 27. candle piece; 28. mounting bracket; 29. ​​candle PCB board; 30. positioning column; 31. positioning sleeve; 32. limit strip; 33. limit slot; 34. cantilever; 35. mounting part; 36. mounting hole; 37. arc surface; 38. mounting column; 39. main PCB board. DETAILED DESCRIPTION

[0040] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0041] like Figures 1 to 3 As shown, the electric dental floss box of the present invention includes a box body and a storage seat 4. The storage seat 4 is rotatably arranged in the inner cavity of the box body. The storage seat 4 is provided with a plurality of vertical storage cavities 5. Dental floss sticks are stacked in each storage cavity 5. The box body is provided with a discharge port 6. The box body is provided with a discharge station. The discharge station corresponds to the discharge port 6 inside and outside. A driving mechanism is provided in the box body to drive the storage seat 4 to rotate so that each storage cavity 5 rotates to the discharge station in sequence. When the storage seat 4 rotates, the driving mechanism synchronously pushes the dental floss sticks in the storage cavity 5 at the discharge station out of the discharge port 6. The box body includes a base 1, an outer cover 2 and a top cover 3 arranged in sequence from bottom to top. The storage seat 4 is rotatably arranged on the base 1, the outer cover 2 is fixedly arranged on the outer periphery of the storage seat 4, and the top cover 3 is fixedly arranged above the storage seat 4.

[0042] like Figure 6 and Figure 7As shown, the driving mechanism includes a tray 7, a lever 8, and a driving motor 9. The tray 7 is rotatably arranged on the base 1, the accommodating seat 4 is fixed on the tray 7, the driving motor 9 is fixed at the bottom of the base 1 and drives the tray 7 to rotate through a transmission mechanism. The lever 8 is rotatably arranged at the bottom of the tray 7, and a lever 8 is correspondingly provided under each accommodating cavity 5. A driving guide device is also provided between the tray 7 and the lever 8. The driving mechanism drives the tray 7 to rotate. When the tray 7 rotates, the lever 8 can be driven to swing horizontally back and forth through the driving guide device; when the tray 7 rotates to one of the accommodating cavities 5 and enters the discharging station, the lever 8 under the accommodating cavity 5 swings synchronously from the inside to the outside, pushing the dental floss stick in the accommodating cavity 5 out of the discharging port 6. The transmission mechanism includes a worm 18, a pinion 19, and a large ring gear 20. The worm 18 is fixedly connected to the output shaft of the drive motor 9. The pinion 19 is rotatably set on the tray 7. The large ring gear 20 is fixed to the bottom of the tray 7. One end of the pinion 19 is engaged with the worm 18, and the other end is engaged with the large ring gear 20.

[0043] like Figure 4 and Figure 5 As shown, the drive guide device includes a guide post 10, a guide groove 11 defined on the tray 7, and a guide groove 2 12 defined on the base 1. One end of the lever 8 is rotatably connected to the tray 7, while the other end is fixedly connected to the guide post 10. The upper end of the vertical guide post 10 is embedded in the guide groove 11, and the lower end is embedded in the guide groove 2 12. The guide groove 11 is shaped as an arc groove centered on the rotation center of the lever 8, with one end close to the center of the tray 7 and the other end away from the center. The guide groove 2 12 is shaped as an eccentric cam groove centered on the axis of the base 1. A guide slope 13 is provided on the top of the guide post 10, facing the center of the tray 7. A contact switch 21 is fixed to the base 1, and a number of protrusions 22 are fixed to the bottom of the tray 7, corresponding to the number of cavities 5. When the tray 7 rotates, each protrusion 22 sequentially triggers the contact switch 21 to close.

[0044] The bottom of the tray 7 is provided with a mounting rod 14, and the lever 8 is fixedly fastened to the mounting rod 14 in an upper and lower manner. The bottom surface of the mounting rod 14 is provided with a circle of bosses, and the lever 8 is clamped between the bosses and the tray 7. The bottom of the bosses is provided with an avoidance groove 16, which provides space for the bosses to deform when the lever 8 is installed. The tray 7, mounting rod 14, and bosses are integrally formed, and the tray 7 is also provided with a demoulding hole 17 that matches the shape of the bosses. The accommodating seat 4 is fixedly fastened to the tray 7 in an upper and lower manner. The tray 7 is fixed with a limit block 24, and the accommodating seat 4 has a plurality of limit slots corresponding to each limit block 24. The limit block 24 is provided with a hook 23, and the accommodating seat 4 has a corresponding slot that can be engaged with the hook 23. The limit block 24 is inserted into the corresponding limit slot, and the hook 23 is clamped in the corresponding slot.

[0045] like Figure 8 As shown, the electric dental floss box described in the present invention also includes a candlelight imitation lighting device, which includes a candlelight piece 27, a mounting bracket 28, and a candlelight PCB board 29. The mounting bracket 28 is fixed on the base 1, and the candlelight piece 27 is movably set on the mounting bracket 28. A magnet is fixed on the bottom of the candlelight piece 27, and the candlelight PCB board 29 is fixed on the mounting bracket 28 and is located directly below the magnet. A coil is provided on the candlelight PCB board 29, which intermittently provides magnetic force to the magnet to make the candlelight piece 27 shake. A light bulb is also provided on the candlelight PCB board 29 to illuminate the candlelight piece 27 above.

[0046] like Figure 9 As shown, the mounting bracket 28 is fastened and fixed to the base 1 from top to bottom. A positioning post 30 is provided at the bottom of the mounting bracket 28, and a positioning sleeve 31 is provided on the base 1. The positioning post 30 is embedded in the inner hole of the positioning sleeve 31. The outer periphery of the positioning post 30 is also provided with a plurality of vertical limiting strips 32. The positioning sleeve 31 has a plurality of limiting slots 33 corresponding to each limiting strip 32, and each limiting strip 32 is embedded in a corresponding limiting slot 33. The mounting bracket 28 is set in the inner cavity of the outer cover 2. The top of the outer cover 2 has a through hole. The candle piece 27 passes through the through hole from bottom to top and extends out of the outer cover 2. The top cover 3 is made of transparent material. The light of the bulb passes through the through hole and illuminates the top cover 3.

[0047] A cantilever 34 is fixed to the top of the mounting bracket 28. A mounting portion 35 is provided at the top of the cantilever 34. The candle flame piece 27 is movably mounted on the mounting portion 35. The candle flame piece 27 has a mounting hole 36 defined therein, into which the mounting portion 35 is inserted. The mounting portion 35 has a through hole extending vertically therethrough. Two mounting posts 38 are fixed to the candle flame piece 27. The two mounting posts 38 are vertically spaced apart, with the mounting portion 35 inserted between the two mounting posts 38. The ends of the two mounting posts 38 face toward the ends of the through hole. The candle flame PCB board 29 is fastened to the mounting bracket 28. A positioning groove is defined on the top surface of the mounting bracket 28, into which the candle flame PCB board 29 is fixedly embedded.

[0048] An ultraviolet lamp is also provided on the candlelight PCB board 29. The ultraviolet lamp has the function of disinfection and sterilization. The electric dental floss box also includes a main PCB board 39 fixed on the base 1 and a battery. The battery supplies power to the main PCB board 39, and the main PCB board 39 supplies power to the drive motor 9 and the candlelight PCB board 29. The main PCB board 39 is provided with a control key, which is used to control the operation of the drive motor 9; the main PCB board 39 is also provided with a button, which is used to control the operation of the candlelight PCB board 29 and the ultraviolet lamp; the main PCB board 39 is also provided with a charging port, through which the battery is charged. The control key includes a button and a sensor, which are controlled by pressing and sensing respectively. The control key in this embodiment is a sensor, and the sensor includes a touch switch, an induction radar, and an infrared sensor.

[0049] The accommodating seat 4 of the present invention can be provided with two or more accommodating cavities 5, and the rotation angle of the tray 7 is controlled by the number of accommodating cavities 5. In this embodiment, the accommodating seat 4 has two accommodating cavities 5, and the tray 7 and accommodating seat 4 can eject one dental floss stick every 180° rotation. If the accommodating seat 4 is provided with three accommodating cavities 5, the tray 7 and accommodating seat 4 can eject one dental floss stick every 120° rotation, and so on.

[0050] The working principle of the dental floss stick of the present invention is as follows:

[0051] When the hand passes over the control key, the drive motor 9 starts to work, and the drive motor 9 drives the large ring gear 20 to rotate through the small gear 19, and the large ring gear 20 drives the tray 7 and the receiving seat 4 to rotate. Since the guide column 10 on the lever 8 is embedded in the guide groove 11 on the tray 7, the rotation of the tray 7 will synchronously drive the lever 8 to swing and push out the dental floss stick in the receiving chamber 5 on the discharge station;

[0052] After the dental floss stick is pushed out, the protrusion 22 at the bottom of the tray 7 triggers the contact switch 21 to close. The main PCB board 39 receives the closing signal of the contact switch 21. At this time, the main PCB board 39 continues to power the drive motor 9 and the tray 7 continues to rotate. When the protrusion 22 disengages from the contact switch 21, the contact switch 21 signal is disconnected, and the PCB board 39 receives the disconnection signal of the contact switch 21. At this time, the power supply to the drive motor 9 is disconnected, and the tray 7 stops rotating until the control key receives the signal of the hand passing again.

[0053] The candlelight-imitation lighting device and the ultraviolet lamp of the present invention work as follows:

[0054] Press the button briefly, the main PCB board 39 supplies power to the candle PCB board 29, the light bulb is powered on to illuminate the candle piece 27, the candle PCB board 29 works intermittently to provide magnetic force to the magnet on the candle piece 27, and the candle piece 27 begins to shake to simulate the candle flame; press the button briefly again, the main PCB board 39 stops supplying power to the candle PCB board 29, and the light goes out.

[0055] Long press the button, the main PCB board 39 supplies power to the ultraviolet lamp, and the ultraviolet lamp starts to disinfect the dental floss stick in the accommodating cavity 5. After 1 hour or long press the button again, the main PCB board 39 stops supplying power to the ultraviolet lamp, and the ultraviolet lamp goes out.

[0056] The dental floss box of the present invention also has a low-battery reminder function. When the battery power is lower than the set value, the main PCB board 39 briefly interrupts the power supply to the candle PCB board 29, and the light bulb flashes slowly six times before going out. In this case, any button pressing operation will cause the light bulb to flash slowly, but the wire output function of the wire pressing board is normal (that is, the control keys and the drive motor 9 are working normally) until the battery power is charged to the set value.

[0057] It should be understood that in the claims and description of the present invention, all "including..." should be understood as open-ended, that is, its meaning is equivalent to "at least containing...", and should not be understood as closed-ended, that is, its meaning should not be understood as "only including...".

[0058] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope of the appended claims.

Claims

1. An electric dental floss box, comprising a box body and a receiving seat (4), wherein the receiving seat (4) is rotatably arranged in the inner cavity of the box body, characterized in that: The accommodating seat (4) is provided with a plurality of vertical accommodating cavities (5), and the dental floss sticks are stacked in each accommodating cavity (5). The box body is provided with a discharge port (6), and a discharge station is provided in the box body. The discharge station corresponds to the inside and outside of the discharge port (6). A driving mechanism is provided in the box body to drive the accommodating seat (4) to rotate so that each accommodating cavity (5) rotates to the discharge station in sequence. When the accommodating seat (4) rotates, the driving mechanism synchronously pushes the dental floss sticks in the accommodating cavity (5) on the discharge station out of the discharge port (6); The box body comprises a base (1), an outer cover (2) and a top cover (3) which are arranged in sequence from bottom to top; the receiving seat (4) is rotatably arranged on the base (1); the outer cover (2) is fixedly arranged on the periphery of the receiving seat (4); and the top cover (3) is fixedly arranged above the receiving seat (4); The driving mechanism comprises a tray (7), a shifting rod (8), and a driving motor (9); the tray (7) is rotatably arranged on the base (1); the accommodating seat (4) is fixed on the tray (7); the driving motor (9) is fixed at the bottom of the base (1) and drives the tray (7) to rotate through a transmission mechanism; the shifting rod (8) is rotatably arranged at the bottom of the tray (7); a shifting rod (8) is correspondingly provided below each accommodating cavity (5); a driving guide device is further provided between the tray (7) and the shifting rod (8); the driving mechanism drives the tray (7) to rotate; when the tray (7) rotates, the shifting rod (8) can be driven to swing back and forth horizontally through the driving guide device; when the tray (7) rotates to one of the accommodating cavities (5) and enters the discharging station, the shifting rod (8) below the accommodating cavity (5) is synchronously swung from inside to outside, and the dental floss stick in the accommodating cavity (5) is pushed out of the discharging port (6); The driving guide device comprises a guide column (10), a guide groove 1 (11) provided on the tray (7), and a guide groove 2 (12) provided on the base (1); one end of the shifting rod (8) is rotatably connected to the tray (7), and the other end thereof is fixedly connected to the guide column (10); the upper end of the vertical guide column (10) is embedded in the guide groove 1 (11), and the lower end thereof is embedded in the guide groove 2 (12); the transmission mechanism comprises a worm (18), a pinion (19), and a large ring gear (20); the worm (18) is fixedly connected to the output shaft of the driving motor (9), the pinion (19) is rotatably provided on the tray (7), and the large ring gear (20) is fixedly provided at the bottom of the tray (7); one end of the pinion (19) is meshed with the worm (18), and the other end thereof is meshed with the large ring gear (20); The electric dental floss box also includes a candlelight-imitation lighting device, which includes a candlelight PCB board (29). An ultraviolet lamp is also provided on the candlelight PCB board (29).

2. An electric dental floss box according to claim 1, characterized in that: The shape of the guide groove 1 (11) is a circular arc groove with the rotation center of the shift lever (8) as the center, one end of the circular arc groove is close to the center of the tray (7), and the other end is away from the center of the tray (7); the shape of the guide groove 2 (12) is an eccentric cam groove with the axis of the base (1) as the center, and the top of the guide column (10) is provided with a guide slope (13), and the guide slope (13) faces the center of the tray (7); the bottom of the tray (7) is provided with a mounting rod ( 14), the shift rod (8) and the mounting rod (14) are fastened and fixed up and down, the bottom surface of the mounting rod (14) is provided with a circle of bosses, and the shift rod (8) is clamped between the bosses and the tray (7); the bottom of the boss is provided with an avoidance groove (16), and the avoidance groove (16) provides a space for the boss to deform when the shift rod (8) is installed; the tray (7), the mounting rod (14), and the boss are integrally processed and formed, and the tray (7) is also provided with a demoulding hole (17) adapted to the shape of the boss.

3. The electric dental floss box according to claim 1, characterized in that: The base (1) is fixed with a contact switch (21), and the bottom of the tray (7) is fixed with a plurality of protrusions (22) corresponding to the number of the accommodating cavities (5). When the tray (7) rotates, each protrusion (22) can trigger the contact switch (21) to close in sequence; the accommodating seat (4) and the tray (7) are fixedly connected and fastened up and down, and the tray (7) is fixed with a plurality of limit blocks (24). The accommodating seat (4) is provided with a plurality of limit grooves corresponding to the limit blocks (24). The limit blocks (24) are provided with inverted hooks (23), and the accommodating seat (4) is provided with a card slot that can be engaged with the inverted hooks (23); the limit blocks (24) are inserted into the corresponding limit slots, and the inverted hooks (23) are locked in the corresponding card slots.

4. The electric dental floss box according to claim 1, characterized in that: The candlelight-imitation lighting device further comprises a candlelight piece (27) and a mounting bracket (28), wherein the mounting bracket (28) is fixedly mounted on the base (1), the candlelight piece (27) is movably mounted on the mounting bracket (28), a magnet is fixedly mounted on the bottom of the candlelight piece (27), a candlelight PCB board (29) is fixedly mounted on the mounting bracket (28) and is located directly below the magnet, a coil is mounted on the candlelight PCB board (29), and the coil intermittently provides magnetic force to act on the magnet to cause the candlelight piece (27) to shake, and a light bulb is also mounted on the candlelight PCB board (29) for illuminating the candlelight piece (27) above.

5. The electric dental floss box according to claim 4, characterized in that: The mounting bracket (28) is arranged in the inner cavity of the outer cover (2), and a through hole is opened on the top of the outer cover (2). The candle piece (27) passes through the through hole from bottom to top and extends out of the outer cover (2). The top cover (3) is made of transparent material. The light of the bulb passes through the through hole and illuminates the top cover (3). The mounting bracket (28) is fixed to the base (1) by buckling. A positioning column (30) is provided at the bottom of the mounting bracket (28), and a positioning sleeve (31) is provided on the base (1). The positioning column (30) is embedded in the inner hole of the positioning sleeve (31); the outer periphery of the positioning column (30) is also provided with a plurality of vertical limit strips (32), and the positioning sleeve (31) is provided with a plurality of limit slots (33) corresponding to each limit strip (32), and each limit strip (32) is respectively embedded in the corresponding limit slot (33).

6. The electric dental floss box according to claim 4, characterized in that: A cantilever (34) is fixedly provided on the top of the mounting bracket (28), and a mounting portion (35) is provided on the top of the cantilever (34). The candle piece (27) is movably arranged on the mounting portion (35). A mounting hole (36) is provided on the candle piece (27), and the mounting portion (35) is inserted into the mounting hole (36). A through hole is provided on the mounting portion (35) that passes through the candle piece (27). Two mounting posts (38) are fixedly provided on the candle piece (27). The two mounting posts (38) are vertically spaced apart from each other. The mounting portion (35) is inserted between the two mounting posts (38). The ends of the two mounting posts (38) are respectively oriented towards the two ends of the through hole. The candle PCB board (29) is buckled and fixed to the mounting bracket (28). A positioning groove is provided on the top surface of the mounting bracket (28), and the candle PCB board (29) is fixedly embedded in the positioning groove.

7. The electric dental floss box according to claim 4, characterized in that: The electric dental floss box further comprises a main PCB board (39) fixed on the base (1) and a battery, wherein the battery supplies power to the main PCB board (39), and the main PCB board (39) supplies power to the drive motor (9) and the candle PCB board (29). The main PCB board (39) is provided with a control key, which is used to control the operation of the drive motor (9); the main PCB board (39) is also provided with a button, which is used to control the operation of the candle PCB board (29) and the ultraviolet lamp; and the main PCB board (39) is also provided with a charging port, through which the battery is charged.

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