CN219895979U - Push wire actuating mechanism of push type dental floss box - Google Patents

Abstract

The utility model provides a push wire driving mechanism of a push type dental floss box, and belongs to the technical field of dental floss boxes. The dental floss box solves the problems that the existing dental floss box is in a box or bag shape, and the box or the plastic bag needs to be opened to take out the dental floss rod when the dental floss box is used each time, so that fingers can touch other unused dental floss rods, pollution is caused, and the like. The utility model comprises a base, a movable seat and a deflector rod, wherein the deflector rod is horizontally and rotatably arranged on the movable seat. The utility model has the advantage that each deflector rod can rotate in turn to push out the dental floss rod when continuously pressed.

Description

Push wire actuating mechanism of push type dental floss box

Technical Field

The utility model belongs to the technical field of dental floss boxes, and relates to a push wire driving mechanism of a push type dental floss box.

Background

The dental floss rod is a very common household tooth protection product, can be used as a toothpick and a dental floss, has the effects of removing dental plaque, soft dirt and food residues, can effectively protect dental beds and reduces damage to teeth and gums. Traditional dental floss boxes are in box or bag shapes, and when the box or the plastic bag is required to be opened to take out dental floss rods each time the dental floss boxes are used, so that fingers can touch other unused dental floss rods, and pollution is caused.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems occurring in the conventional electric floss cartridge, and an object of the present utility model is to provide a floss cartridge capable of automatically withdrawing one floss rod at a time by pressing the floss cartridge.

The aim of the utility model can be achieved by the following technical scheme:

the push wire driving mechanism of the push type dental floss box comprises a base, a movable seat and a deflector rod, wherein the deflector rod is horizontally and rotatably arranged on the movable seat.

In the above push wire driving mechanism of the push type dental floss box, there are at least two shift levers, an intermittent switching mechanism is further arranged between the shift lever and the base, and when the movable base is continuously pressed down, each shift lever sequentially realizes shifting through the intermittent switching mechanism.

In the above-mentioned push wire driving mechanism of push type dental floss box, a guide block is fixedly arranged at the bottom of the movable seat, the deflector rod is rotatably arranged on the guide block, a guide post is arranged at the end part of the deflector rod, a guide groove is formed in the movable seat, and the guide post upwards penetrates through the guide groove and swings back and forth around the guide groove.

In the above-mentioned push wire actuating mechanism of push type dental floss box, actuating mechanism include the ejector pad, the bottom of guide pad is equipped with the direction chamber with the driving lever one-to-one, the ejector pad can be along the vertical lift of direction chamber, the bottom surface of driving lever is equipped with the helical tooth one, establish the top surface of ejector pad have with the helical tooth one correspond the upper helical tooth two of meshing from top to bottom, after the movable seat pushes down, the ejector pad is along the lifting of direction chamber and be close to the driving lever, the tooth surface of upper helical tooth two meshes and promotes the rotation of helical tooth one with the tooth surface of upper helical tooth one.

In the push wire driving mechanism of the push type dental floss box, the reset mechanism comprises a reset spring and a reset torsion spring, wherein the reset spring is arranged between the movable seat and the base and is used for driving the movable seat and the base to separate and reset; the reset torsion spring is arranged between the deflector rod and the movable seat and is used for driving the deflector rod to swing and reset.

In the above-mentioned push wire driving mechanism of a push type dental floss box, the intermittent switching mechanism includes a lower fixture block, the lower fixture block is fixedly arranged on the base, the top surface of the lower fixture block is provided with a lower helical tooth I, and the bottom surface of the push block is provided with a lower helical tooth II which is correspondingly meshed with the lower helical tooth I up and down; the guide cavity is internally provided with a middle helical gear I, and the pushing block is provided with a middle helical gear II which is correspondingly meshed with the middle helical gear I up and down; the tooth surfaces of the middle helical tooth I and the lower helical tooth I are staggered.

In the above-mentioned push wire driving mechanism of a push wire box, the teeth of the upper helical gear two, the middle helical gear two and the lower helical gear two on the push block correspond up and down, the teeth of the lower helical gear two and the middle helical gear two are consistent, the teeth of the lower helical gear two and the middle helical gear two are multiples of the teeth of the upper helical gear two, and the multiples are consistent with the number of the accommodating cavities/shifting levers.

In the above-mentioned push wire driving mechanism of a push wire box, the teeth of the first middle helical gear, the second middle helical gear, the first lower helical gear and the second lower helical gear are continuously distributed along the respective circumferential directions, intermittent gaps exist between the teeth of the two adjacent upper helical gears/the first adjacent upper helical gears, when the first upper helical gear is located in the intermittent gaps of the second upper helical gear (i.e. the second upper helical gear is located in the intermittent gaps of the first upper helical gear), after the movable seat is pressed down, the tooth surfaces of the second upper helical gear and the tooth surfaces of the first upper helical gear are staggered, and the shift lever does not rotate.

In the push wire driving mechanism of the push type dental floss box, the base is provided with the guide posts, the bottom surface of the movable seat is provided with the guide sleeves corresponding to the guide posts one by one, the top of the guide posts is provided with the boss, the bottom of the guide sleeve is provided with the limit plate, each guide post penetrates through the limit plate to be inserted into the inner hole of the corresponding guide sleeve, and after the reset spring drives the base to separate from the movable seat and reset, the lower end surface of the boss is abutted against the limit plate to form up-down limit.

In the push wire driving mechanism of the push wire type dental floss box, the accommodating seat is fixedly buckled with the movable seat up and down, a plurality of limiting blocks are fixedly arranged on the movable seat, a plurality of limiting grooves which are in one-to-one correspondence with the limiting blocks are formed in the accommodating seat, a reverse hook is arranged on each limiting block, and a clamping groove which is matched with the reverse hook in a mutually corresponding manner and can be buckled is formed in the accommodating seat; the limiting blocks are inserted into the corresponding limiting grooves, and the inverted hooks are clamped in the corresponding clamping grooves.

In the above push wire driving mechanism of a push type dental floss box, a guiding inclined plane is arranged at the top of the guiding column, and the guiding inclined plane faces to the center of the tray.

Compared with the prior art, the utility model drives the shift lever to rotate by pressing the movable seat, wherein the upper helical tooth II of one push block is meshed with the upper helical tooth I of the corresponding shift lever, so that the shift lever is pushed out of the dental floss rod in the corresponding accommodating cavity, at the moment, the upper helical tooth of the other push block is positioned in the intermittent vacancy of the upper helical tooth I of the corresponding shift lever, and the shift lever does not rotate, so that only one dental floss rod is pushed out each time by pressing, and each shift lever can rotate in turn to push out the dental floss rod during continuous pressing through the design of dislocation of the tooth surfaces of the middle helical tooth I and the lower helical tooth I.

Drawings

FIG. 1 is a schematic view of the overall construction of the dental floss cartridge of the present utility model;

FIG. 2 is a schematic view of the internal structure of the dental floss cartridge of the present utility model;

FIG. 3 is a schematic view of the structure of the movable seat of the present utility model;

FIG. 4 is a schematic view of the structure of the guide block and lever of the present utility model;

FIG. 5 is a schematic view of the internal structure of the movable seat before being pushed down;

FIG. 6 is a schematic view of the internal structure of the movable seat of the present utility model after being pushed down;

FIG. 7 is a partial cross-sectional view of the utility model prior to depression of the movable seat;

FIG. 8 is a partial cross-sectional view of the movable seat of the present utility model after being depressed

Fig. 9 is a schematic diagram of a tooth surface misalignment of the middle helical tooth one and the lower helical tooth one of the present utility model.

FIG. 10 is a schematic view of the positions of the push block, the lower latch and the lever according to the present utility model.

In the figure, 1, a base; 2. an outer cover; 3. a receiving seat; 4. a receiving chamber; 5. a discharge port; 6. a movable seat; 7. a guide groove; 8. a guide block; 9. a deflector rod; 10. a pushing block; 11. a lower clamping block; 12. an upper helical gear I; 13. upper helical teeth II; 14. middle helical gear I; 15. middle helical teeth II; 16. a lower helical tooth I; 17. a second lower helical tooth; 18. a guide chamber; 19. a guide post; 20. a guide post; 21. a guide sleeve; 22. a boss; 23. a limiting plate; 24. a limiting block; 25. and (5) reversing.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 3, the push wire driving mechanism of the push type dental floss box comprises a base 1, a movable seat 6 and a deflector rod 9, wherein the deflector rod 9 is horizontally and rotatably arranged on the movable seat 6, and the push wire driving mechanism is characterized in that the movable seat 6 is arranged on the base 1 and can move up and down relative to the base 1, and a reset mechanism for controlling the movable seat 6 to reset after being pressed down and a driving mechanism for controlling the deflector rod 9 to realize a material deflector action along with the pressing down action of the movable seat 6 are arranged between the movable seat 6 and the base 1.

As shown in fig. 1 and 2, the dental floss box according to the utility model further comprises an outer cover 2 and a containing seat 3, wherein the movable seat 6 is fixedly connected with the outer cover 2, the containing seat 3 is arranged in an inner cavity of the outer cover 2, the containing seat 3 is fixedly arranged on the movable seat 6, and the movable seat 6, the outer cover 2 and the containing seat 3 are integrally and synchronously lifted. The accommodating seat 3 is provided with an accommodating cavity 4 for stacking dental floss rods, the side part of the outer cover 2 is provided with a discharge hole 5 communicated with the accommodating cavity 4, and the poking rod 9 swings back and forth to poke the dental floss rods in the corresponding accommodating cavity 4 out of the corresponding discharge holes 5.

As shown in fig. 2, at least two accommodating cavities 4 are provided, at least two stirring rods 9 and at least two discharge holes 5 are provided, and the stirring rods 9 and the base 1 are in one-to-one correspondence, and an intermittent switching mechanism is further arranged between the stirring rods 9 and the base 1, so that when the movable base 6 is continuously pressed down, stirring is sequentially realized by each stirring rod 9 through the intermittent switching mechanism. The number of the accommodating cavities 4 in this embodiment is two, the number of the corresponding deflector rods 9 and the number of the corresponding discharge holes 5 are also two, the two discharge holes 5 alternately push out the dental floss rod, and in this embodiment, the middle helical teeth 14, the middle helical teeth 15, the lower helical teeth 16 and the lower helical teeth 17 have six tooth positions, and the upper helical teeth 12 and the upper helical teeth 13 have three tooth positions.

As shown in fig. 4, a guide block 8 is fixedly arranged at the bottom of the movable seat 6, a deflector rod 9 is rotatably arranged on the guide block 8, a guide post 19 is arranged at the end part of the deflector rod 9, as shown in fig. 3, a guide groove 7 is formed in the movable seat 6, and the guide post 19 passes through the guide groove 7 upwards and swings back and forth around the guide groove 7.

As shown in fig. 4, the driving mechanism comprises a push block 10, a guide cavity 18 corresponding to the deflector rod 9 one by one is arranged at the bottom of the guide block 8, the push block 10 can vertically lift along the guide cavity 18, an upper helical tooth I12 is arranged at the bottom surface of the deflector rod 9, an upper helical tooth II 13 which is correspondingly meshed with the upper helical tooth I12 up and down is arranged at the top surface of the push block 10, after the movable seat 6 is pressed down, the push block 10 is lifted along the guide cavity 18 and approaches the deflector rod 9, and the tooth surface of the upper helical tooth II 13 is meshed with the tooth surface of the upper helical tooth I12 and pushes the upper helical tooth I12 to rotate. The reset mechanism comprises a reset spring and a reset torsion spring, wherein the reset spring is arranged between the movable seat 6 and the base 1 and is used for driving the movable seat 6 to separate from the base 1 for reset; the reset torsion spring is arranged between the deflector rod 9 and the movable seat 6 and is used for driving the deflector rod 9 to swing and reset.

As shown in fig. 10, the intermittent switching mechanism comprises a lower clamping block 11, wherein the lower clamping block 11 is fixedly arranged on the base 1, the top surface of the lower clamping block 11 is provided with a first lower helical tooth 16, and the bottom surface of the push block 10 is provided with a second lower helical tooth 17 which is correspondingly meshed with the first lower helical tooth 16 up and down; the guide cavity 18 is internally provided with a first middle helical tooth 14, and the push block 10 is provided with a second middle helical tooth 15 which is correspondingly meshed with the first middle helical tooth 14 up and down; as shown in fig. 9, the tooth surfaces of the middle helical tooth one 14 and the lower helical tooth one 16 are offset. The teeth of the upper helical gear II 13, the middle helical gear II 15 and the lower helical gear II 17 on the push block 10 are vertically corresponding, the teeth of the lower helical gear II 17 and the middle helical gear II 15 are consistent, the teeth of the lower helical gear II 17 and the middle helical gear II 15 are multiples of the teeth of the upper helical gear II 13, and the multiples are consistent with the number of the accommodating cavities 4/deflector rods 9. The gear positions of the first middle helical gear 14, the second middle helical gear 15, the first lower helical gear 16 and the second lower helical gear 17 are continuously distributed along the respective circumferential directions, intermittent gaps exist between the gear positions of the two adjacent upper helical gears 13/the first adjacent upper helical gears 12, when the first upper helical gear 12 is positioned in the intermittent gaps of the second upper helical gear 13, namely the second upper helical gear 13 is positioned in the intermittent gaps of the first upper helical gear 12, and after the movable seat 6 is pressed down, the tooth surfaces of the second upper helical gear 13 and the first upper helical gear 12 are staggered, and the deflector rod 9 does not rotate.

The base 1 is provided with a plurality of guide posts 20, the bottom surface of the movable seat 6 is provided with a plurality of guide sleeves 21 corresponding to the guide posts 20 one by one, the top of the guide posts 20 is provided with a boss 22, the bottom of the guide sleeve 21 is provided with a limiting plate 23, each guide post 20 respectively penetrates through the limiting plate 23 and is inserted into the inner hole of the corresponding guide sleeve 21, and after the reset spring drives the base 1 to separate from the movable seat 6 and reset, the lower end surface of the boss 22 is abutted against the limiting plate 23 to form upper and lower limiting. The accommodating seat 3 is fixedly buckled with the movable seat 6 up and down, a plurality of limiting blocks 24 are fixedly arranged on the movable seat 6, a plurality of limiting grooves which are in one-to-one correspondence with the limiting blocks 24 are formed in the accommodating seat 3, a reverse hook 25 is arranged on each limiting block 24, and a clamping groove which is matched with the reverse hook 25 and can be buckled is formed in the accommodating seat 3; the limiting blocks 24 are inserted into the corresponding limiting grooves, and the barbs 25 are clamped in the corresponding clamping grooves. The top of the guide post 19 is provided with a guide slope which faces the center of the tray.

The working principle of the utility model is as follows:

as shown in fig. 5 and 7, the cover 2 is in a state of pressing down the first two levers 9 and the corresponding push blocks 10. Pressing the outer cover 2, synchronously descending the outer cover 2, the containing seat 3, the movable seat 6, the guide block 8 and the deflector rod 9 to be close to the base 1, and enabling the push block 10 to only vertically ascend and descend without rotating; when the push block 10 touches the deflector rod 9, the second upper helical tooth 13 contacts and engages with the tooth surface of the first upper helical tooth 12, the deflector rod 9 rotates along the engaged tooth surface along with the pressing down of the outer cover 2, and when the deflector rod 9 rotates to a preset position, as shown in fig. 6 and 8, the second upper helical tooth 13 of the push block 10 completely coincides with the tooth surface of the first upper helical tooth 12 of the deflector rod 9, and at this time, the guide post 19 of the deflector rod 9 just rotates to the inner side of the accommodating cavity 4.

Releasing the outer cover 2, under the action of a reset spring, synchronously lifting the outer cover 2 and the containing seat 3, the movable seat 6, the guide block 8 and the shifting lever 9 to be separated from the base 1, separating the lower clamping block 11 from the pushing block 10 under the action of the reset spring, at the moment, because the tooth surfaces of the middle helical tooth I14 and the lower helical tooth I16 are dislocated, the pushing block 10 rotates by 60 degrees along the middle helical tooth I14 of the guide block 8, meanwhile, the pushing block 10 slides to the initial position in the guide block 8, at the moment, the upper helical tooth I12 of the shifting block loses the extrusion force of the engaged tooth surface, under the action of the reset spring, the shifting lever 9 rapidly resets and rotates to the outer side of the containing cavity 4 at the original position, and the dental floss rod is pushed out.

The outer cover 2 is pressed again, the tooth surface of the upper helical gear II 13 of the push block 10 is staggered with the tooth surface of the upper helical gear I12 of the deflector rod 9, and the deflector rod 9 does not rotate.

Specific explanation about the alternate rotation of the two levers 9: as shown in fig. 5, the tooth surface of the upper helical gear two 13 on the left side of the drawing is staggered with the tooth surface of the upper helical gear one 12, the tooth surface of the upper helical gear two 13 on the right side of the drawing corresponds to the tooth surface of the upper helical gear one 12 up and down, and after the outer cover 2 is pressed, the tooth surface of the upper helical gear two 13 on the right side of the drawing is contacted with and meshed with the tooth surface of the upper helical gear one 12, so that the shift lever 9 on the right side of the drawing rotates, and the shift lever 9 on the left side does not rotate. When the outer cover 2 is pressed down to a proper position, as shown in fig. 6, the shift lever 9 at the left side of the drawing only rises and falls relative to the base 1 and does not rotate, the first upper helical tooth 12 is positioned in the intermittent vacancy of the second upper helical tooth 13, and the second upper helical tooth 13 is positioned in the intermittent vacancy of the first upper helical tooth 12; the right-hand lever 9 in the figure is fully coincident with the tooth surface of the push block 10, the lever 9 being rotated to the inside of the receiving chamber 4. After the outer cover 2 is released, the right deflector rod 9 is reset, the two push blocks 10 rotate for 60 degrees respectively, so that the tooth surface of the upper helical gear II 13 on the right side is staggered with the tooth surface of the upper helical gear I12, the tooth surface of the upper helical gear II 13 on the left side corresponds to the tooth surface of the upper helical gear I12 up and down, and after the outer cover 2 is pressed, the tooth surface of the upper helical gear II 13 on the left side is contacted with and meshed with the tooth surface of the upper helical gear I12, and therefore the left deflector rod 9 can rotate, and the deflector rod 9 on the right side cannot rotate.

It should be understood that in the claims, the specification of the present utility model, all "including … …" should be interpreted as open-ended meaning that it is equivalent to "at least … …", and not as closed-ended meaning that it should not be interpreted to "include … …" only.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (9)

1. The utility model provides a push away line actuating mechanism of push type dental floss box, includes base (1), movable seat (6), driving lever (9) horizontal rotation sets up on movable seat (6), its characterized in that, movable seat (6) set up on base (1) and can be for base (1) up-and-down motion, be equipped with the canceling release mechanical system that control movable seat (6) reset after being pushed down and the actuating mechanism who realizes the driving lever (9) and realize the driving action along with movable seat (6) pushing down action between movable seat (6) and base (1).

2. The push wire driving mechanism of a push type dental floss box according to claim 1, wherein at least two shifting levers (9) are provided, an intermittent switching mechanism is further arranged between the shifting levers (9) and the base (1), and when the movable base (6) is continuously pressed down, each shifting lever (9) sequentially realizes shifting through the intermittent switching mechanism.

3. The push wire driving mechanism of a push type dental floss box according to claim 2, characterized in that a guide block (8) is fixedly arranged at the bottom of the movable seat (6), a deflector rod (9) is rotatably arranged on the guide block (8), a guide post (19) is arranged at the end part of the deflector rod (9), a guide groove (7) is formed in the movable seat (6), and the guide post (19) upwards penetrates through the guide groove (7) and swings back and forth around the guide groove (7).

4. A push wire driving mechanism of a push type dental floss box according to claim 3, characterized in that the driving mechanism comprises a push block (10), a guide cavity (18) corresponding to a deflector rod (9) one by one is arranged at the bottom of the guide block (8), the push block (10) can vertically lift along the guide cavity (18), an upper helical tooth I (12) is arranged on the bottom surface of the deflector rod (9), an upper helical tooth II (13) which is correspondingly meshed with the upper helical tooth I (12) up and down is arranged on the top surface of the push block (10), after the movable seat (6) is pressed down, the push block (10) is lifted along the guide cavity (18) and approaches the deflector rod (9), and the tooth surface of the upper helical tooth II (13) is meshed with the tooth surface of the upper helical tooth I (12) and pushes the upper helical tooth I (12) to rotate.

5. The push wire driving mechanism of the push type dental floss box according to claim 1, wherein the reset mechanism comprises a reset spring and a reset torsion spring, and the reset spring is arranged between the movable seat (6) and the base (1) and is used for driving the movable seat (6) to be separated from the base (1) for reset; the reset torsion spring is arranged between the deflector rod (9) and the movable seat (6) and is used for driving the deflector rod (9) to swing and reset.

6. The push wire driving mechanism of the push wire box according to claim 4, wherein the intermittent switching mechanism comprises a lower clamping block (11), the lower clamping block (11) is fixedly arranged on the base (1), a lower helical tooth I (16) is arranged on the top surface of the lower clamping block (11), and a lower helical tooth II (17) which is correspondingly meshed with the lower helical tooth I (16) up and down is arranged on the bottom surface of the push block (10); a middle helical gear I (14) is arranged in the guide cavity (18), and a middle helical gear II (15) which is correspondingly meshed with the middle helical gear I (14) up and down is arranged on the push block (10); the tooth surfaces of the middle helical gear I (14) and the lower helical gear I (16) are staggered.

7. The push wire driving mechanism of a push wire box according to claim 6, wherein the teeth of the upper helical gear two (13), the middle helical gear two (15) and the lower helical gear two (17) on the push block (10) are up and down corresponding, the teeth of the lower helical gear two (17) and the middle helical gear two (15) are consistent, and the teeth of the lower helical gear two (17) and the middle helical gear two (15) are multiples of the teeth of the upper helical gear two (13).

8. The push wire driving mechanism of a push wire type dental floss box according to claim 6, wherein the teeth of the middle helical gear one (14), the middle helical gear two (15), the lower helical gear one (16) and the lower helical gear two (17) are continuously distributed along the respective circumferential direction, intermittent gaps exist between the teeth of the adjacent two upper helical gears two (13)/the adjacent two upper helical gears one (12), when the upper helical gear one (12) is located in the intermittent gaps of the upper helical gear two (13), namely, the upper helical gear two (13) is located in the intermittent gaps of the upper helical gear one (12), after the movable seat (6) is pressed down, the tooth surface of the upper helical gear two (13) is staggered with the tooth surface of the upper helical gear one (12), and the shifting lever (9) does not rotate.

9. The push wire driving mechanism of a push type dental floss box according to claim 5, wherein a plurality of guide posts (20) are arranged on the base (1), a plurality of guide sleeves (21) corresponding to the guide posts (20) one by one are arranged on the bottom surface of the movable seat (6), a boss (22) is arranged at the top of the guide posts (20), a limiting plate (23) is arranged at the bottom of the guide sleeve (21), each guide post (20) respectively penetrates through the limiting plate (23) to be inserted into an inner hole of the corresponding guide sleeve (21), and after the base (1) is separated from the movable seat (6) and reset, the lower end face of the boss (22) abuts against the limiting plate (23) to form upper limit and lower limit.