CN218500828U - Structure of tooth rinsing device - Google Patents

Abstract

The utility model provides a towards tooth ware structure, wherein towards tooth ware structure including the lower casing that has the passageway of intaking and the last casing of cover on the casing down, it can follow the gliding saddle of length direction to go up to be equipped with between casing and the lower casing, the front end of going up the casing is equipped with the mold insert, it has the apopore to gather on the mold insert, the front end of saddle is equipped with the hole sealing pad that has the fretwork hole, and the fretwork hole is corresponding with the apopore, and passageway, fretwork hole and apopore intercommunication of intaking to spout behind fretwork hole and apopore at the high pressure water that gets into the passageway of intaking. The utility model discloses a saddle removes to different positions, can let the shower nozzle go out water and have three kinds of states: single water column effluent, a small amount of water columns effluent, multiple water columns effluent and the like; through the utility model discloses a structure to it has different states to realize that the shower nozzle goes out water, has satisfied different user demands.

Description

Structure of tooth rinsing device

The technical field is as follows:

the utility model relates to an oral cavity cleaning device technical field especially relates to a towards tooth ware structure.

The background art comprises the following steps:

the toothbrush is simple and convenient, has good cleaning effect on the obtained tooth surface, and the dental floss (comprising a toothpick commonly used by Chinese people) has good effect on cleaning foreign matters tightly clamped between teeth and partial gingival sulcus; the tooth flusher has been used as an auxiliary supplement tool for toothbrushes before, the high-speed water flow of the tooth flusher has unique cleaning and health care functions, the use method is simple, and the tooth flusher is designed to be used for flushing tooth gaps, gingival sulcus and other places which are difficult to clean by toothbrushes with single water columns and limited water quantity; however, the single water column tooth irrigator has fatal defects, just as the water tap is directly used for spraying during bathing, the body cannot be quickly and effectively irrigated, and simultaneously, the single water column easily causes damage to gums due to strong single-point impulsive force.

The invention content is as follows:

the utility model aims to overcome the defects and deficiencies in the prior art, and aims to provide a tooth flushing device spray head structure and a design method thereof, wherein the spray head structure can lead the water outlet of the spray head to have different states so as to meet different use requirements.

The utility model discloses towards tooth ware structure, its characterized in that: the water inlet channel and the hollow holes are communicated with the water outlet holes, so that high-pressure water entering the water inlet channel is sprayed out after passing through the hollow holes and the water outlet holes.

Furthermore, the hollow holes correspond to water outlet holes at different positions in the sliding process of the sliding piece, so that different water outlet modes are realized.

Furthermore, the rear end of the slider is provided with a convex column which penetrates through the through hole slot on the upper shell, and a sealing ring is arranged between the surface of the convex column and the lower surface of the upper shell; the insert is a metal insert which is embedded in the through groove at the front end of the upper shell.

Furthermore, the side edge of the slider is provided with three channels which are arranged at intervals, the inner side surface of the upper shell is provided with an elastic convex button which is matched with the channels, and the inner side surface of the upper shell is also provided with a plurality of bosses which are used for guiding and limiting the slider to slide.

Furthermore, the hole sealing pad is fixed in a concave groove at the front end of the sliding piece, and a through hole is formed in the concave groove bottom and is communicated with the water inlet channel and the hollow hole.

Furthermore, the water outlet hole comprises a plurality of fine holes and a large hole, the fine holes are arranged at equal intervals to form a nearly circular ring shape, one side of the nearly circular ring shape is provided with a recess, the large hole is arranged at a position opposite to the recess, and two fine holes are arranged in the nearly circular ring shape and close to the recess; the hole sealing pad is rectangular, a through hole is formed in the hole sealing pad, an arc-shaped block is arranged in the through hole in an isolated mode, and the arc-shaped block is connected with the hole sealing pad through a plurality of connecting blocks; a gap formed by the arc-shaped block and the through hole is a hollow hole, when the hole sealing pad is positioned at the first station, the large hole is blocked by the hole sealing pad, and the two small holes are blocked by the arc-shaped block, so that soft water outlet is realized; when the hole sealing pad is positioned at the second station, a half of the small holes in the shape of a nearly circular ring are blocked by the hole sealing pad, and the large holes are blocked by the arc-shaped blocks, so that water outlet for quickly washing the upper teeth and the lower teeth is realized; when the hole sealing pad is positioned at the third station, all the fine holes in the shape of the approximate circular ring are plugged by the hole sealing pad, and only the large holes are not plugged, so that water outlet of the single water column is realized.

Furthermore, the water outlet hole comprises a plurality of fine holes and a large hole, the fine holes are arranged at equal intervals to form a near-circular ring shape, two fine holes are arranged in the near-circular ring shape close to the concave position, and the large hole is arranged in the near-circular ring shape close to the arc-shaped edge; the hole sealing pad comprises a rectangular block and a semicircular block, wherein the bottoms of the rectangular block and the semicircular block are mutually communicated, the upper part of the rectangular block is spaced, one side of the rectangular block, which is close to the semicircular block, is provided with a concave arc, and the rectangular block is provided with a through hole; a gap formed by the rectangular block and the semicircular block is a hollowed-out hole, and when the hole sealing pad is positioned at a first station, the large hole and the two small holes are blocked by the semicircular block, so that soft water outlet is realized; when the hole sealing pad is positioned at the second station, most of the small holes and the large holes in the shape of the approximate ring are blocked by the hole sealing pad, so that water outlet for quickly washing the upper teeth and the lower teeth is realized; when the hole sealing pad is positioned at the third station, all the fine holes are blocked by the hole sealing pad, and only the large holes are not blocked, so that water outlet of the single water column is realized.

Furthermore, the water outlet hole comprises a plurality of fine holes and a large hole, each fine hole is arranged in a whole column to form a matrix, and one large hole is arranged in the matrix; the hole sealing pad comprises a rectangular block and a circular block, wherein the bottoms of the rectangular block and the circular block are communicated with each other, and the upper parts of the rectangular block are spaced; gaps formed by the rectangular blocks and the circular blocks are hollow holes, when the hole sealing pad is positioned at a first station, only the large holes are blocked by the circular blocks, and other fine holes are not blocked, so that the fine holes can discharge water softly; when the hole sealing pad is positioned at the second station, a half of the small holes and the big holes are sealed by the rectangular block, so that water can be discharged for rapidly washing the upper teeth and the lower teeth; when the pore sealing pad is positioned at the third station, all the fine pores are blocked by the pore sealing pad, and only the large pores are not blocked, so that the water outlet of the single water column is realized.

Furthermore, the water outlet hole comprises a plurality of fine holes and a large hole, each fine hole is arranged to form a rhombus, and one large hole is arranged in the rhombus; the hole sealing pad comprises a rectangular block and a circular block, wherein the bottoms of the rectangular block and the circular block are communicated with each other, the upper parts of the rectangular block and the circular block are spaced, a semicircular convex part is arranged on one side of the rectangular block, which is close to the cylindrical block, and a through hole is formed in the rectangular block; gaps formed by the rectangular blocks and the circular blocks are hollow holes, when the hole sealing pad is positioned at a first station, only the large holes are blocked by the circular blocks, and other fine holes are not blocked, so that the fine holes can discharge water softly; when the hole sealing pad is positioned at the second station, a half of the small holes and the big holes are sealed by the rectangular block, so that water can be discharged for rapidly washing the upper teeth and the lower teeth; when the pore sealing pad is positioned at the third station, all the fine pores are blocked by the pore sealing pad, and only the large pores are not blocked, so that the water outlet of the single water column is realized.

The utility model discloses a saddle removes to different positions, can let the shower nozzle go out water and have three kinds of states: single water column effluent, a small amount of water columns effluent, multiple water columns effluent and the like; the single water column discharges water, the impact force is large, the accurate flushing effect on stubborn stains can be achieved, and the dental floss effect is achieved; a small amount of water column discharges water, the impact force is large, and the efficient flushing is realized on the gaps between the teeth; many water columns go out water, and water pressure is gentle, and the cleaning range is wide, is applicable to the high-speed washing on tooth surface, through the utility model discloses a structure to it has different states to realize that the shower nozzle goes out water, has satisfied different user demands.

Description of the drawings:

fig. 1 is an exploded perspective view of a first embodiment of the present invention;

FIG. 2 is a perspective view of the upper housing of FIG. 1 from another perspective;

FIG. 3 is a perspective view of an insert and bore seal according to one embodiment;

fig. 4-6 are different working position diagrams according to a first embodiment of the present invention;

fig. 7 is an exploded perspective view of a first embodiment of the present invention;

FIG. 8 is a perspective view of an insert and a hole sealing pad according to a second embodiment;

FIGS. 9-11 are different working position diagrams of the second embodiment of the present invention;

fig. 12 is an exploded perspective view of a third embodiment of the present invention;

FIG. 13 is a perspective view of the three-insert and bore seal of the embodiment;

fig. 14-16 are different working position diagrams of a third embodiment of the present invention;

fig. 17 is an exploded perspective view of a fourth embodiment of the present invention;

FIG. 18 is a perspective view of a four-insert and hole seal according to an embodiment;

fig. 19-21 are different working position diagrams of a fourth embodiment of the present invention;

fig. 22 is a cross-sectional view of fig. 1.

The specific implementation mode is as follows:

in order to make the features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail as follows:

the utility model discloses towards tooth ware structure includes lower casing 2 and the upper casing 3 that covers on lower casing 2 that has into water passageway 1, and upper casing 3 and lower casing 2 adopt plastic materials usually, be equipped with between upper casing 3 and the lower casing 2 and can follow the gliding saddle 4 of length direction, the front end of upper casing 3 is equipped with mold insert 5, and this mold insert 5 can be the metal mold insert, and it is the anterior part of inlaying at upper casing 3 for, and both pass through integrated injection moulding; or the insert 5 can be made of the same material as the upper shell, and the two are formed by one-time injection molding; or the insert 5 and the upper shell 3 are fixed by gluing or clamping after being processed respectively, the insert 5 is densely provided with the water outlet holes 6, and the water outlet holes 6 can be processed by a machining method, such as laser drilling.

The front end of the slider is provided with a hole sealing pad 8 with a hollow hole 7, the hole sealing pad 8 can be made of materials such as silica gel and rubber and is pressed between the slider 4 and the insert 5, the hollow hole 7 corresponds to the water outlet hole 6, the water inlet channel 1 and the hollow hole 7 are communicated with the water outlet hole 6, so that high-pressure water entering the water inlet channel is sprayed out after passing through the hollow hole and the water outlet hole, and the sealing performance of other positions is better, so that water cannot seep out from other positions.

The hollow holes correspond to the water outlets at different positions in the sliding process of the sliding piece so as to realize different water outlet modes, and the sliding piece corresponds to the water outlets at different positions in the sliding process so as to meet different water outlet requirements, wherein the hollow holes can be used for single-water-column water outlet, a small amount of water-column water outlet and multi-water-column water outlet; the single water column discharges water, the impact force is large, the accurate flushing effect on stubborn stains can be realized, and the dental floss effect can be realized; a small amount of water column discharges water, the impact force is large, and the efficient flushing is realized on the gaps between the teeth; the water is discharged by a plurality of water columns, the water pressure is soft, the cleaning range is wide, and the tooth cleaning machine is suitable for high-speed cleaning of the tooth surface.

Furthermore, in order to realize better waterproof, the rear end of the sliding piece is provided with a convex column 9 which penetrates through a through hole slot 16 on the upper shell, a sealing ring 10 is arranged between the surface of the convex column 9 and the lower surface of the upper shell, and the cross section of the sealing ring 10 can be two closely adjacent ellipses; the mode is that the insert 5 is firstly manufactured into a metal piece with a water outlet hole and then is integrally injection-molded with the upper shell, so that the metal piece and the upper shell are integrated, and the insert 5 is firstly manufactured with the water outlet hole (for example, laser processing) and then is integrally injection-molded with the upper shell, so that the process is simpler and more convenient compared with the process of integrally forming and then drilling, and the yield is higher.

Furthermore, in order to conveniently identify gears, the side of the slider 4 is provided with three channels 12 arranged at intervals, the inner side surface of the upper shell is provided with an elastic convex button 13 matched with the channels, the elastic convex button 13 is sunk into different channels, so that a user can easily identify the current water outlet state, the inner side surface of the upper shell is also provided with a plurality of bosses 14 used for guiding and limiting the slider to slide, and the slider can be limited and guided to slide between the upper shell and the lower shell through the bosses.

Further, the hole sealing pad 8 is fixed in a recessed groove at the front end of the slider, a through hole 15 is formed in the bottom of the recessed groove, the through hole 15 is communicated with the water inlet channel 1 and the hollow hole 7, high-pressure water enters from one end of the lower shell 2 and is sprayed out after passing through the through hole 15, the hollow hole 7 and the water outlet hole, and water flow is shown in fig. 22.

In one embodiment (as shown in fig. 1-6) of the insert and the hole sealing pad 8, the water outlet hole 6 includes a plurality of fine holes 601 and a large hole 602, the fine holes are arranged at equal intervals to form a near-circular ring shape, one side of the near-circular ring shape has a recess, the large hole is arranged at a position opposite to the recess, and two fine holes are arranged in the near-circular ring shape near the recess; the hole sealing pad is rectangular, a through hole 603 is formed in the hole sealing pad, an arc-shaped block 604 is arranged in the through hole in an isolated mode, and the arc-shaped block is connected with the hole sealing pad through a plurality of connecting blocks; the gap formed by the arc-shaped block and the through hole is a hollow hole, when the hole sealing pad is positioned at the first station, the large hole 602 is sealed by the hole sealing pad, and the two small holes are sealed by the arc-shaped block, so that soft water outlet is realized (in the figure, the large hole 602 and the two small holes are covered by the hole sealing pad, a water column similar to a crescent arrangement is left, and the water column in annular arrangement can enlarge the water flushing area, and simultaneously, because the number of the holes is large, the water outlet area is large, the water outlet is soft, the tooth surface can be quickly and efficiently flushed, the gum cannot be damaged, and the soft water outlet is realized); when the hole sealing pad is positioned at the second station, a half of the small holes in the shape of a nearly circular ring are sealed by the hole sealing pad, and the large holes are sealed by the arc-shaped blocks, so that water outlet for quickly washing the upper teeth and the lower teeth is realized (in the figure, the hole sealing pad covers 11 circular small holes 601 and 11 circular large holes 602, only 9 small holes which are arranged in a prismatic connection mode at two ends are reserved, and the upper teeth and the lower teeth can be quickly washed by the two rhombic holes; when the hole sealing pad is located at the third station, all the fine holes in the shape of a nearly circular ring are plugged by the hole sealing pad, and only the large holes are not plugged, so that single water column water outlet is realized (the single water column water outlet in the figure has large impact force, can play a role in accurately washing stubborn stains, and plays a role similar to dental floss).

In one embodiment of the insert and the hole sealing pad (see fig. 7-11), the water outlet hole 6 includes a plurality of fine holes 605 and a large hole 606, each fine hole is arranged at equal intervals to form a nearly circular ring shape, two fine holes are arranged in the nearly circular ring shape near the concave position, and the large hole is arranged in the nearly circular ring shape near the arc-shaped edge; the hole sealing pad comprises a rectangular block 607 and a semicircular block 608, wherein the bottoms of the rectangular block 607 are communicated with each other, the upper parts of the rectangular block are spaced, one side of the rectangular block, which is close to the semicircular block, is provided with a concave arc, and the rectangular block is provided with a through hole 609; gaps formed by the rectangular blocks and the semicircular blocks are hollow holes, when the hole sealing pad is positioned at a first station, the large hole and the two small holes are blocked by the semicircular blocks, and soft water outlet is realized (the large hole 606 and the two small holes are blocked by the hole sealing pad in the drawing, a water column similar to the crescent arrangement is reserved, and the water columns arranged in a ring shape can enlarge the water flushing area, and simultaneously, the tooth surface can be quickly and efficiently flushed without damaging gums due to the large number of holes, and the soft water outlet is realized); when the hole sealing pad is positioned at the second station, most of the fine holes and the large holes in the shape of the approximate ring are sealed by the hole sealing pad, and water outlet for quickly washing the upper teeth and the lower teeth is realized (in the figure, the hole sealing pad covers 16 circular fine holes 605 and large holes 606, only 4 fine holes are left, and the upper teeth and the lower teeth can be quickly washed by two arc-shaped holes respectively; when the hole sealing pad is located the third station, all pores receive the hole sealing pad shutoff, and only the macropore does not receive the shutoff, realize single water column play water (single water column goes out water in the picture, and the impact force is big, can play the effect that plays accurate washing to stubborn spot, plays the effect of similar dental floss).

In one embodiment of the insert and the hole sealing pad (see fig. 12-16), the water outlet hole 6 includes a plurality of fine holes 610 and a large hole 611, and each fine hole is arranged in an array to form a matrix, and one large hole is arranged in the matrix; the hole sealing pad comprises a rectangular block 612 and a circular block 613, wherein the bottom of the rectangular block is communicated with the bottom of the hole sealing pad, and the upper part of the rectangular block is spaced from the bottom of the hole sealing pad; gaps formed by the rectangular blocks and the circular blocks are hollow holes, when the hole sealing pad is positioned at a first station, only the large holes are blocked by the circular blocks 613, and other small holes are not blocked, so that the soft water outlet of the small holes is realized (in the figure, the large holes 611 are blocked by the hole sealing pad, all water columns which are arranged in rows to form a matrix are reserved, the water flushing area can be enlarged, and meanwhile, the tooth surface can be quickly and efficiently flushed without damaging gums and the soft water outlet is realized because the holes are large in number, the water outlet area is large and the water outlet is soft); when the hole sealing pad is positioned at the second station, half of the pores and the big pores are sealed by the rectangular block, so that water can be discharged for rapidly washing the upper and lower teeth (the remaining half of the pores in the figure can be used for washing the upper and lower teeth correspondingly); when the pore sealing pad is positioned at the third station, all the pores are blocked by the pore sealing pad, and only the large pores are not blocked, so that water can flow out from the single water column (in the figure, all the pores 610 cannot be blocked, and only the large pores 611 are not blocked, so that water can flow out, and water can flow out from the single water column).

In one embodiment of the insert and the hole sealing pad (see fig. 17-21), the water outlet hole 6 comprises a plurality of fine holes 614 and a large hole 615, each fine hole 614 is arranged to form a diamond shape, and one large hole 615 is arranged in the center of the diamond shape; the hole sealing pad comprises a rectangular block 616 and a circular block 617, wherein the bottom of the rectangular block is communicated with the top of the rectangular block at intervals, a semicircular convex part 618 is arranged on one side of the rectangular block close to the cylindrical block, and a through hole 619 is arranged on the rectangular block; the gap formed by the rectangular block and the circular block is a hollowed-out hole, when the hole sealing pad is positioned at the first station, only the large hole is blocked by the circular block, other small holes are not blocked, water is sprayed out from each small hole, the number of water outlet holes is large, the water outlet area is large, and soft water outlet of the small holes is realized; when the hole sealing pad is positioned at the second station, half of the pores and the big pores are blocked by the rectangular block and the semicircular convex part 618, and the remaining half of the pores realize water outlet for quickly washing the upper and lower teeth; when the pore sealing pad is positioned at the third station, all the fine pores are blocked by the pore sealing pad, and only the large pores 615 are not blocked, so that water can be discharged from the single water column.

The pore diameter of the fine pores is 0.1-0.3mm, and the pore diameter of the large pores is 0.3-1.0 mm, but not limited to the above size; the fine holes in the working position picture are solid holes capable of discharging water, and the hollow holes are holes which can not discharge water in a shielding mode.

The utility model discloses a saddle removes to different positions, can let the shower nozzle go out water and have three kinds of states: single water column effluent, a small amount of water column effluent, a plurality of water columns effluent and the like; the single water column discharges water, the impact force is large, the accurate flushing effect on stubborn stains can be achieved, and the dental floss effect is achieved; a small amount of water column discharges water, the impact force is large, and the efficient flushing is realized on the gaps between the teeth; many water columns go out water, and water pressure is gentle, and the cleaning range is wide, is applicable to the high-speed washing on tooth surface, through the utility model discloses a structure to it has different states to realize that the shower nozzle goes out water, has satisfied different user demands.

The three-state water outlet is only an example and is not limited to the above, and water outlet in different numbers of gears such as 2, 4, 5 or 6 gears can be designed by the above design method.

The present invention is not limited to the above preferred embodiments, and other various forms of the nozzle structure of the tooth-rinsing device and the design method thereof can be obtained by anyone who can derive the teaching of the present invention.

Claims (10)

1. A tooth flusher structure is characterized in that: the water inlet channel and the hollow holes are communicated with the water outlet holes, so that high-pressure water entering the water inlet channel is sprayed out after passing through the hollow holes and the water outlet holes.

2. The dental irrigator structure of claim 1, wherein: the hollowed-out holes correspond to the water outlet holes in different positions in the sliding process of the sliding piece so as to realize different water outlet modes.

3. The dental irrigator structure of claim 1, wherein: the rear end of the slider is provided with a convex column which penetrates through the through hole slot on the upper shell, and a sealing ring is arranged between the surface of the convex column and the lower surface of the upper shell.

4. The dental irrigator structure of claim 1, wherein: the insert is a metal insert which is embedded in the through groove at the front end of the upper shell.

5. The dental irrigator structure of claim 1, 2, 3 or 4, wherein: the slider side is equipped with the channel that three interval set up, the medial surface of going up the casing is equipped with the protruding button of elasticity with channel complex, the medial surface of going up the casing still is equipped with a plurality of bosss that are used for direction and spacing slider gliding.

6. The dental irrigator structure of claim 5, wherein: the hole sealing pad is fixed in a concave groove at the front end of the sliding piece, and a through hole is formed in the bottom of the concave groove and is communicated with the water inlet channel and the hollow hole.

7. The dental irrigator structure of claim 6, wherein: the water outlet hole comprises a plurality of fine holes and a large hole, the fine holes are arranged at equal intervals to form a nearly circular ring shape, one side of the nearly circular ring shape is provided with a recess, the large hole is arranged at the position opposite to the recess, and two fine holes are arranged in the nearly circular ring shape close to the recess; the hole sealing pad is rectangular, a through hole is formed in the hole sealing pad, an arc-shaped block is arranged in the through hole in an isolated mode, and the arc-shaped block is connected with the hole sealing pad through a plurality of connecting blocks; a gap formed by the arc-shaped block and the through hole is a hollow hole, when the hole sealing pad is positioned at the first station, the large hole is blocked by the hole sealing pad, and the two small holes are blocked by the arc-shaped block, so that soft water outlet is realized; when the hole sealing pad is positioned at the second station, a half of the small holes in the shape of a nearly circular ring are blocked by the hole sealing pad, and the large holes are blocked by the arc-shaped blocks, so that water outlet for quickly washing the upper teeth and the lower teeth is realized; when the hole sealing pad is positioned at the third station, all the fine holes in the shape of a nearly circular ring are plugged by the hole sealing pad, and only the large holes are not plugged, so that water outlet of the single water column is realized.

8. The dental irrigator structure of claim 6, wherein: the water outlet hole comprises a plurality of fine holes and a large hole, the fine holes are arranged at equal intervals to form a nearly circular ring shape, two fine holes are arranged in the nearly circular ring shape close to the concave position, and the large hole is arranged in the nearly circular ring shape close to the arc-shaped edge; the hole sealing pad comprises a rectangular block and a semicircular block, wherein the bottoms of the rectangular block and the semicircular block are mutually communicated, the upper part of the rectangular block is spaced, one side of the rectangular block, which is close to the semicircular block, is provided with a concave arc, and the rectangular block is provided with a through hole; a gap formed by the rectangular block and the semicircular block is a hollowed-out hole, and when the hole sealing pad is positioned at a first station, the large hole and the two small holes are blocked by the semicircular block, so that soft water outlet is realized; when the hole sealing pad is positioned at the second station, most of the small holes and the large holes in the shape of a nearly circular ring are blocked by the hole sealing pad, so that water can be discharged for rapidly washing the upper teeth and the lower teeth; when the pore sealing pad is positioned at the third station, all the fine pores are blocked by the pore sealing pad, and only the large pores are not blocked, so that the water outlet of the single water column is realized.

9. The dental irrigator structure of claim 6, wherein: the water outlet hole comprises a plurality of fine holes and a large hole, each fine hole is arranged in a whole column to form a matrix, and one large hole is arranged in the matrix; the hole sealing pad comprises a rectangular block and a circular block, wherein the bottoms of the rectangular block and the circular block are communicated with each other, and the upper parts of the rectangular block are spaced; gaps formed by the rectangular blocks and the circular blocks are hollow holes, when the hole sealing pad is positioned at the first station, only the large holes are blocked by the circular blocks, and other small holes are not blocked, so that the soft water outlet of the small holes is realized; when the hole sealing pad is positioned at the second station, a half of the fine holes and the large holes are sealed by the rectangular block, so that water outlet for quickly washing the upper teeth and the lower teeth is realized; when the pore sealing pad is positioned at the third station, all the fine pores are blocked by the pore sealing pad, and only the large pores are not blocked, so that the water outlet of the single water column is realized.

10. The dental irrigator structure of claim 6, wherein: the water outlet hole comprises a plurality of fine holes and a large hole, each fine hole is arranged to form a rhombus, and one large hole is arranged in the rhombus; the hole sealing pad comprises a rectangular block and a circular block, wherein the bottoms of the rectangular block and the circular block are mutually communicated, the upper part of the rectangular block is provided with an interval, one side of the rectangular block, which is close to the cylindrical block, is provided with a semicircular convex part, and the rectangular block is provided with a through hole; gaps formed by the rectangular blocks and the circular blocks are hollow holes, when the hole sealing pad is positioned at the first station, only the large holes are blocked by the circular blocks, and other small holes are not blocked, so that the soft water outlet of the small holes is realized; when the hole sealing pad is positioned at the second station, a half of the small holes and the big holes are sealed by the rectangular block, so that water can be discharged for rapidly washing the upper teeth and the lower teeth; when the pore sealing pad is positioned at the third station, all the fine pores are blocked by the pore sealing pad, and only the large pores are not blocked, so that the water outlet of the single water column is realized.

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