CN219148004U - Sealing structure and automatic liquid spraying electric toothbrush - Google Patents
Sealing structure and automatic liquid spraying electric toothbrush Download PDFInfo
- Publication number
- CN219148004U CN219148004U CN202223038074.3U CN202223038074U CN219148004U CN 219148004 U CN219148004 U CN 219148004U CN 202223038074 U CN202223038074 U CN 202223038074U CN 219148004 U CN219148004 U CN 219148004U
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- acoustic wave
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- 238000007789 sealing Methods 0.000 title claims abstract description 271
- 239000007788 liquid Substances 0.000 title claims abstract description 99
- 238000005507 spraying Methods 0.000 title claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 210000000214 mouth Anatomy 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 17
- 239000000243 solution Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D3/00—Preparing, i.e. Manufacturing brush bodies
- A46D3/04—Machines for inserting or fixing bristles in bodies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
Abstract
The utility model relates to the technical field of oral cavity cleaning equipment, in particular to a sealing structure and an automatic liquid spraying electric toothbrush. The utility model provides a sealing structure for an automatic liquid spraying electric toothbrush, which comprises a liquid pump assembly and an acoustic wave motor, and comprises: the liquid outlet of the liquid pump assembly is in sealing connection with the hollow shaft of the acoustic wave motor through the first sealing piece, and the liquid outlet is communicated with the hollow shaft; the first sealing piece comprises a first sealing part matched with the liquid outlet and a second sealing part matched with the hollow shaft, the first sealing part is connected with the second sealing part, and the second sealing part can move relative to the first sealing part along the radial direction of the hollow shaft. When the acoustic wave motor works, the hollow shaft vibrates and swings, and the second sealing part can move along with the hollow shaft due to the fact that the second sealing part can move radially relative to the first sealing part, so that the swinging displacement between the liquid outlet and the hollow shaft is overcome, and meanwhile sealing requirements are met.
Description
Technical Field
The utility model relates to the technical field of oral cavity cleaning equipment, in particular to a sealing structure and an automatic liquid spraying electric toothbrush.
Background
As people pay more attention to oral hygiene, cleaning of the oral cavity is also becoming an increasing concern. Electric toothbrushes are increasingly popular as an auxiliary tool for cleaning the oral cavity, and can clean the tooth surface efficiently. The tooth irrigator is used for cleaning the gaps between teeth, so that users who pursue tooth cleaning and maintenance usually purchase the tooth irrigator at the same time.
At present, in order to reduce the number of devices and facilitate the use of users, an integrated machine with a liquid spraying function is formed by additionally arranging devices such as a liquid pump, a solution bottle, a flow guide pipe and the like on the basis of an electric toothbrush. The electric toothbrush can convert the liquid toothpaste into tooth cleaning foam to be sprayed out, and can also contain water, so that the electric toothbrush can spray the water in the solution bottle to flush teeth.
However, the all-in-one machine with the liquid spraying function is characterized in that liquid in a solution bottle is conveyed to a brush head or a water pipe for spraying through a hollow shaft of an acoustic wave motor to perform work, so that the hollow shaft and the liquid pump need to be sealed, an output hole of the liquid pump is fixed due to the fact that the acoustic wave motor swings, the existing sealing structure cannot overcome relative swinging displacement between the hollow shaft and the liquid pump, and therefore the liquid spraying effect cannot be guaranteed.
Disclosure of Invention
The utility model aims to provide a sealing structure and an automatic liquid spraying electric toothbrush, which are used for solving the technical problem that the sealing structure cannot overcome relative swinging displacement between a hollow shaft and a liquid pump.
The utility model provides a sealing structure for an automatic liquid spraying electric toothbrush, which comprises a liquid pump assembly and an acoustic wave motor, and comprises the following components: the liquid outlet of the liquid pump assembly is in sealing connection with the hollow shaft of the acoustic wave motor through the first sealing piece, and the liquid outlet is communicated with the hollow shaft;
the first sealing piece comprises a first sealing part matched with the liquid outlet and a second sealing part matched with the hollow shaft, the first sealing part is connected with the second sealing part, and the second sealing part can move relative to the first sealing part along the radial direction of the hollow shaft.
As a further technical scheme, the first sealing part and the second sealing part are both cylindrical, the second sealing part is positioned in the first sealing part, and a movement interval is arranged between the first sealing part and the second sealing part;
the first sealing part faces towards one end of the sound wave motor and the second sealing part faces towards one end of the sound wave motor and is flexibly connected, and the hollow shaft is inserted into the second sealing part.
As a further technical scheme, along the axial direction of the hollow shaft, the length of the first sealing part is longer than that of the second sealing part.
As a further technical scheme, the sealing structure further comprises a rubber pad, a shaft hole for penetrating the hollow shaft is formed in the rubber pad, the automatic liquid spraying electric toothbrush further comprises a fixing frame, a first mounting groove for mounting the sound wave motor is formed in the fixing frame, and a positioning hole is formed in the bottom of the first mounting groove;
the rubber pad is arranged in the first mounting groove and is positioned at the bottom of the acoustic wave motor, and the first sealing piece passes through the positioning hole to be in butt joint with the rubber pad towards one end of the acoustic wave motor.
As a further technical solution, the sealing structure further comprises a first connecting seat and a second sealing member;
the first connecting seat is provided with a first end and a second end which are opposite, and a first through hole penetrating through the first end and the second end is formed in the first connecting seat;
the first end is in sealing connection with a hollow shaft of the acoustic wave motor through the first sealing piece, the second end is in sealing connection with the liquid outlet through the second sealing piece, and the hollow shaft is communicated with the liquid outlet through the first through hole.
As a further technical scheme, the sealing structure further comprises a second connecting seat, a second through hole is formed in the second connecting seat, and the first sealing piece further comprises a third sealing part arranged on the circumferential direction of the outer side wall of the first sealing part;
the first sealing part is arranged towards one end of the acoustic wave motor in a penetrating way and is arranged in the second through hole, and the end face of the first end is sealed with the second connecting seat through the third sealing part.
As a further technical scheme, the second connecting seat is provided with a second mounting groove, and the bottom wall of the second mounting groove is provided with the second through hole;
the first connecting seat is arranged in the second mounting groove, and the end face of the first end and the bottom wall of the second mounting groove are sealed through the third sealing part.
As a further technical scheme, the end face of the first end is provided with a first annular groove, and the end face of the second end is provided with a second annular groove;
one end of the first sealing part, which is away from the acoustic wave motor, is inserted into the first annular groove, and the second sealing part is arranged in the second annular groove.
As a further technical scheme, the sealing structure further comprises a filter screen, and at least one end of the first through hole is provided with the filter screen.
The utility model provides an automatic liquid spraying electric toothbrush which comprises the sealing structure.
Compared with the prior art, the sealing structure and the automatic liquid spraying electric toothbrush provided by the utility model have the technical advantages that:
the utility model provides a sealing structure for an automatic liquid spraying electric toothbrush, which comprises a liquid pump assembly and an acoustic wave motor, and comprises: the liquid outlet of the liquid pump assembly is in sealing connection with the hollow shaft of the acoustic wave motor through the first sealing piece, and the liquid outlet is communicated with the hollow shaft; the first sealing piece comprises a first sealing part matched with the liquid outlet and a second sealing part matched with the hollow shaft, the first sealing part is connected with the second sealing part, and the second sealing part can move relative to the first sealing part along the radial direction of the hollow shaft.
The first sealing part and the second sealing part of the first sealing part are respectively matched with the liquid outlet of the liquid pump assembly and the hollow shaft of the sonic motor, so that sealing between the liquid outlet of the liquid pump assembly and the hollow shaft of the sonic motor is realized, when the sonic motor works, the hollow shaft vibrates and swings, and as the second sealing part can radially move relative to the first sealing part, the second sealing part can move along with the hollow shaft, the first sealing part overcomes swinging displacement between the liquid outlet and the hollow shaft, sealing requirements are met, and then a liquid spraying effect is guaranteed.
The automatic liquid spraying electric toothbrush provided by the utility model comprises the sealing structure, so that the technical advantages and effects achieved by the automatic liquid spraying electric toothbrush comprise the technical advantages and effects achieved by the sealing structure, and the technical advantages and effects achieved by the automatic liquid spraying electric toothbrush are not described in detail herein.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a host structure of an automatic liquid-spraying electric toothbrush according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a structure of a host removal fixing frame according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a host machine according to an embodiment of the present utility model with a holder removed;
FIG. 4 is an exploded view of the host machine according to the embodiment of the present utility model with the holder removed;
fig. 5 is a schematic structural diagram of a second connection seat according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a second end of the first connecting seat according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a first end of a first connecting seat according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a first seal provided in an embodiment of the present utility model;
FIG. 9 is a front view of a first seal provided by an embodiment of the present utility model;
fig. 10 is a schematic structural diagram of the other side of the first seal member according to the embodiment of the present utility model.
Icon: 1-a liquid pump assembly; 2-sonic motor; 3-a first seal; 4-a liquid outlet; 5-a hollow shaft; 6-a first seal; 7-a second seal; 8-rubber cushion; 9-shaft holes; 10-fixing frame; 11-a first mounting groove; 12-a first connection base; 13-a second seal; 14-a first through hole; 15-a second connection base; 16-a second through hole; 17-a third seal; 18-a second mounting groove; 19-a first ring groove; 20-a second ring groove; 21-a filter screen; 22-sealing structure; 23-interval of motion.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.
The specific structure is shown in fig. 1 to 10.
The present embodiment provides a seal structure 22 for an automatic liquid-spraying electric toothbrush, the automatic liquid-spraying electric toothbrush including a liquid pump assembly 1 and a sonic motor 2, the seal structure 22 comprising: the liquid outlet 4 of the liquid pump assembly 1 is in sealing connection with the hollow shaft 5 of the acoustic wave motor 2 through the first sealing piece 3, and the liquid outlet 4 is communicated with the hollow shaft 5; the first sealing member 3 comprises a first sealing portion 6 matched with the liquid outlet 4 and a second sealing portion 7 matched with the hollow shaft 5, the first sealing portion 6 is connected with the second sealing portion 7, and the second sealing portion 7 can move relative to the first sealing portion 6 along the radial direction of the hollow shaft 5.
In this embodiment, the automatic liquid spraying electric toothbrush comprises a main machine, and the main machine comprises a liquid pump assembly 1 and a sonic motor 2. The first sealing part 6 and the second sealing part 7 of the first sealing member 3 are respectively matched with the liquid outlet 4 of the liquid pump assembly 1 and the hollow shaft 5 of the sound wave motor 2, sealing between the liquid outlet 4 of the liquid pump assembly 1 and the hollow shaft 5 of the sound wave motor 2 is achieved, when the sound wave motor 2 works, the hollow shaft 5 vibrates and swings, and the second sealing part 7 can move along with the hollow shaft 5 due to the fact that the second sealing part 7 can move radially relative to the first sealing part 6, so that swinging displacement between the liquid outlet 4 and the hollow shaft 5 is overcome by the first sealing member 3, sealing requirements are met, and a liquid spraying effect is guaranteed.
In this embodiment, the first sealing member 3 is preferably made of soft rubber, and the swing stroke of the hollow shaft 5 is eliminated by the characteristic of the soft rubber. The thickness of the first sealing piece 3 is between 1.1mm and 0.5mm, so that excessive space is not occupied, the sealing requirement is met, the structure is small, and the manufacturing is convenient.
In this embodiment, the first sealing portion 6 and the second sealing portion 7 may be disposed along the axial direction of the hollow shaft 5, that is, one end of the first sealing member 3 is the first sealing portion 6 and is matched with the liquid outlet 4, and the other end is the second sealing portion 7 and is matched with the hollow shaft 5, and since the first sealing member 3 is made of a soft rubber material, the connection portion between the first sealing portion 6 and the second sealing portion 7 has flexibility, so that the second sealing portion 7 can radially move relative to the first sealing portion 6, further overcomes the swing displacement of the hollow shaft 5, and ensures the normal movement of the hollow shaft 5 while achieving sealing.
In this embodiment, preferably, the first sealing portion 6 and the second sealing portion 7 are both cylindrical, and the second sealing portion 7 is located in the first sealing portion 6, and a movement interval 23 is provided between the first sealing portion 6 and the second sealing portion 7; one end of the first sealing part 6 facing the acoustic wave motor 2 is flexibly connected with one end of the second sealing part 7 facing the acoustic wave motor 2, and the hollow shaft 5 is inserted into the second sealing part 7.
In this embodiment, the diameter of the first sealing portion 6 is greater than the diameter of the second sealing portion 7, the first sealing portion 6 is sleeved on the outer side of the second sealing portion 7, and in the radial direction, a movement interval 23 is arranged between the first sealing portion 6 and the second sealing portion 7, meanwhile, one end of the first sealing portion 6 is flexibly connected with one end of the second sealing portion 7, preferably, the first sealing member 3 is integrally injection molded, the structure is stable, flexible connection between the first sealing portion 6 and the second sealing portion 7 is ensured by the soft rubber material, the hollow shaft 5 is spliced in the second sealing portion 7 from one end of the second sealing portion 7 facing away from the liquid outlet 4 to one end facing the liquid outlet 4, the hollow shaft 5 is located at one end of the first sealing portion 6 and the second sealing portion 7, and when the hollow shaft 5 moves, the second sealing portion 7 can move in the movement interval 23 relative to the first sealing portion 6, thereby overcoming the fragile displacement of the hollow shaft 5, the structure is simple, the sealing effect is good, the structure is stable and the liquid spraying effect is effectively ensured.
In an alternative solution of this embodiment, the length of the first sealing portion 6 is greater than the length of the second sealing portion 7 along the axial direction of the hollow shaft 5.
In this embodiment, the one end of the first sealing portion 6 facing the hollow shaft 5 is connected with the one end of the second sealing portion 7 facing the hollow shaft 5 and is flush, the one end of the second sealing portion 7 facing the liquid outlet 4 is located in the first sealing portion 6, that is, along the axial direction of the hollow shaft 5, the length of the first sealing portion 6 is greater than that of the second sealing portion 7, so that the second sealing portion 7 can swing at a larger angle relative to the first sealing portion 6, the movement of the hollow shaft 5 can be better matched, the contact between the one end of the second sealing portion 7 facing the liquid outlet 4 and the inner wall of the first sealing portion 6 is avoided, the mutual abrasion between the second sealing portion 7 and the first sealing portion 6 is avoided, the sealing effect is further ensured, and the sealing stability is improved.
In the alternative technical scheme of the embodiment, the sealing structure 22 further comprises a rubber pad 8, a shaft hole 9 for penetrating the hollow shaft 5 is formed in the rubber pad 8, the automatic liquid spraying electric toothbrush further comprises a fixing frame 10, a first mounting groove 11 for mounting the acoustic wave motor 2 is formed in the fixing frame 10, and a positioning hole is formed in the bottom of the first mounting groove 11; the rubber cushion 8 is arranged in the first mounting groove 11 and is positioned at the bottom of the acoustic wave motor 2, and one end of the first sealing piece 3, which faces the acoustic wave motor 2, passes through the positioning hole and is in butt joint with the rubber cushion 8.
In this embodiment, mount 10 is used for fixed sound wave motor 2, liquid pump assembly 1 and seal structure 22, make whole relatively stable, wherein the head end of mount 10 is provided with first mounting groove 11, install sound wave motor 2 in first mounting groove 11 after the bottom of sound wave motor 2 is overlapped to cushion 8, hollow shaft 5 passes shaft hole 9 on cushion 8 and the locating hole and the second sealing part 7 grafting of first mounting groove 11 tank bottom, and the link between first sealing part 6 and the second sealing part 7 offsets with cushion 8 with penetrating the locating hole, because first sealing part 3 is thinner, the link between first sealing part 6 and the second sealing part 7 offsets with cushion 8, can effectively prevent that first sealing part 6 and second sealing part 7 from turning over the book, stability when improving sealing stability, and first sealing part 6 and the relative motion of second sealing part 7.
In an alternative solution of the present embodiment, the sealing structure 22 further comprises a first connection seat 12 and a second sealing member 13; the first connecting seat 12 has a first end and a second end opposite to each other, and the first connecting seat 12 is provided with a first through hole 14 penetrating through the first end and the second end; the first end is in sealing connection with the hollow shaft 5 of the acoustic wave motor 2 through the first sealing piece 3, the second end is in sealing connection with the liquid outlet 4 through the second sealing piece 13, and the hollow shaft 5 is communicated with the liquid outlet 4 through the first through hole 14.
In this embodiment, the one end of first connecting seat 12 towards sonic motor 2 is first end, and the one end that deviates from sonic motor 2 is the second end, sets up the first through-hole 14 that link up first end and second end along the axial of first connecting seat 12, and wherein, the one end of orientation liquid outlet 4 of first sealing part 6 cooperates with first end, and the second end passes through second sealing member 13 and is sealed with liquid outlet 4, and hollow shaft 5 passes through first through-hole 14 and liquid outlet 4 intercommunication, has both guaranteed the hydrojet effect, makes things convenient for the installation of first sealing member 3 to fix simultaneously, and then guarantees sealed stability.
Further, the sealing structure 22 further includes a second connecting seat 15, the second connecting seat 15 is provided with a second through hole 16, and the first sealing member 3 further includes a third sealing portion 17 disposed on the circumferential direction of the outer sidewall of the first sealing portion 6; one end of the first sealing part 6 facing the acoustic wave motor 2 penetrates through the second through hole 16, and the end face of the first end and the second connecting seat 15 are sealed through the third sealing part 17.
In this embodiment, the outer side wall of the first sealing portion 6 protrudes along the circumferential direction to form a ring-shaped third sealing portion 17, one end of the first sealing portion 6, facing the acoustic wave motor 2, passes through the second through hole 16 and the positioning hole to be matched with the rubber pad 8, the third sealing portion 17 is located between the first connecting seat 12 and the second connecting seat 15, and the first connecting seat 12 and the second connecting seat 15 are sealed through the third sealing portion 17, that is, the first connecting seat 12 and the second connecting seat 15 clamp the third sealing portion 17, so that the sealing between the first connecting seat 12 and the second connecting seat 15 is realized, meanwhile, the first sealing member 3 is fixed on the first connecting seat 12 and the second connecting seat 15, the first sealing member 3 is fixed stably and is convenient to install, and the sealing stability is ensured. Wherein the left and right sides of first connecting seat 12, the left and right sides of second connecting seat 15 and the left and right sides of third sealing portion 17 all are provided with the engaging lug, and the setting of engaging lug has both improved the stability of first connecting seat 12 and the fixed first sealing member 3 of second connecting seat 15, and the engaging lug is fixed convenient and stable with the reference column on the liquid pump assembly 1 simultaneously, and then makes first sealing member 3 fix on the liquid pump assembly 1 through first connecting seat 12 and second connecting seat 15 stable and convenient, and the wholeness is good.
In an alternative technical solution of this embodiment, the second connection seat 15 is provided with a second installation groove 18, and a bottom wall of the second installation groove 18 is provided with a second through hole 16; the first connecting seat 12 is disposed in the second mounting groove 18, and a space between an end surface of the first end and a bottom wall of the second mounting groove 18 is sealed by the third sealing portion 17.
In this embodiment, the second mounting groove 18 has been seted up towards one side of first connecting seat 12 to second connecting seat 15, second through-hole 16 is located the tank bottom of second mounting groove 18, first connecting seat 12 has the part of engaging lug and engaging lug all set up in second mounting groove 18, make fixed stable between first connecting seat 12 and the second connecting seat 15, and reduce the occupation space in the axial, make whole can be shorter, facilitate the user use, simultaneously with third sealing part 17 clamp between the tank bottom of first connecting seat 12 and second mounting groove 18, the cell wall of second mounting groove 18 can effectively protect first connecting seat 12 and third sealing part 17, avoid first connecting seat 12 and third sealing part 17 motion and damage, improve sealing stability and convenient assembling.
In an alternative technical scheme of the embodiment, a first annular groove 19 is formed in the end face of the first end, and a second annular groove 20 is formed in the end face of the second end; the first sealing part 6 is inserted into the first annular groove 19 at the end facing away from the acoustic wave motor 2, and the second sealing member 13 is arranged in the second annular groove 20.
In this embodiment, the end of the first sealing portion 6 facing the liquid outlet 4 may be inserted into the first through hole 14 and attached to the inner wall of the first through hole 14, so as to ensure tightness. The end face of the first end may be provided with the first annular groove 19, and the end of the first sealing portion 6 facing the liquid outlet 4 is inserted into the first annular groove 19, so that the sealing performance is ensured, and meanwhile, the influence of the first sealing portion 6 on the liquid spraying effect of the first through hole 14 is avoided.
Preferably, the inner wall of the first through hole 14 is provided with a first annular groove 19, the first annular groove 19 is close to the first end and penetrates through the end face of the first end, namely, the inner wall of the first through hole 14 is provided with a step structure at the first end, wherein the first sealing part 6 is inserted into the first annular groove 19 towards one end of the liquid outlet 4, and the inner wall of the first sealing part 6 is flush with the inner wall of the first through hole 14.
In this embodiment, the end face of the second end is provided with a second ring groove 20; the second sealing element 13 is arranged in the second annular groove 20, and the liquid outlet 4 is sealed with the second end through the second sealing element 13, so that the tightness is ensured, and meanwhile, the liquid spraying effect of the liquid outlet 4 is prevented from being influenced.
Preferably, the outer side wall of the first connecting seat 12 is provided with a second annular groove 20, the second annular groove 20 is close to the second end and penetrates through the end face of the second end, that is, the outer side wall of the first connecting seat 12 is provided with a step structure at the second end, and the inner wall of the liquid outlet 4 is provided with a third annular groove at one end facing the first connecting seat 12 to form a step structure. Wherein, the inside wall setting of second annular 20 is in the third annular, and the lateral wall setting of third annular is in second annular 20, and two ladder structures butt joint promptly, and second sealing member 13 cover is on second annular 20, and is located between the inside wall of second annular 20 and the lateral wall of third annular and realizes the sealing between first connecting seat 12 and the liquid outlet 4, simple structure, preparation and simple to operate and avoid influencing the hydrojet effect of liquid outlet 4.
Preferably, the second sealing member 13 is a sealing ring, and has simple structure, good sealing effect and low cost.
In an alternative solution of this embodiment, the sealing structure 22 further includes a filter screen 21, and at least one end of the first through hole 14 is provided with the filter screen 21. The filter screen 21 can filter impurities and avoid blocking the hollow shaft 5 and the nozzle on the brush head.
Preferably, the two ends of the first through hole 14 are provided with the filter screen 21, so that the anti-blocking effect is better.
The automatic liquid spraying electric toothbrush provided by the embodiment comprises the sealing structure 22, so that technical advantages and effects achieved by the automatic liquid spraying electric toothbrush comprise technical advantages and effects achieved by the sealing structure 22, and are not repeated herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A sealing structure for an automatic spray electric toothbrush comprising a liquid pump assembly (1) and a sonic motor (2), characterized in that the sealing structure (22) comprises: a liquid outlet (4) of the liquid pump assembly (1) is in sealing connection with a hollow shaft (5) of the acoustic wave motor (2) through the first sealing piece (3), and the liquid outlet (4) is communicated with the hollow shaft (5);
the first sealing element (3) comprises a first sealing part (6) matched with the liquid outlet (4) and a second sealing part (7) matched with the hollow shaft (5), the first sealing part (6) is connected with the second sealing part (7), and the second sealing part (7) can move relative to the first sealing part (6) along the radial direction of the hollow shaft (5).
2. The sealing structure according to claim 1, characterized in that the first sealing portion (6) and the second sealing portion (7) are both cylindrical, and the second sealing portion (7) is located inside the first sealing portion (6), and a movement interval (23) is provided between the first sealing portion (6) and the second sealing portion (7);
one end of the first sealing part (6) facing the acoustic wave motor (2) is flexibly connected with one end of the second sealing part (7) facing the acoustic wave motor (2), and the hollow shaft (5) is inserted into the second sealing part (7).
3. The sealing arrangement according to claim 2, characterized in that the length of the first sealing portion (6) is greater than the length of the second sealing portion (7) in the axial direction of the hollow shaft (5).
4. The sealing structure according to claim 2, wherein the sealing structure (22) further comprises a rubber pad (8), a shaft hole (9) for penetrating the hollow shaft (5) is formed in the rubber pad (8), the automatic liquid spraying electric toothbrush further comprises a fixing frame (10), a first mounting groove (11) for mounting the acoustic wave motor (2) is formed in the fixing frame (10), and a positioning hole is formed in the bottom of the first mounting groove (11);
the rubber pad (8) is arranged in the first mounting groove (11) and is positioned at the bottom of the acoustic wave motor (2), and the first sealing piece (3) passes through the positioning hole to be in butt joint with the rubber pad (8) towards one end of the acoustic wave motor (2).
5. The sealing structure according to claim 2, characterized in that the sealing structure (22) further comprises a first connection seat (12) and a second seal (13);
the first connecting seat (12) is provided with a first end and a second end which are opposite, and a first through hole (14) penetrating through the first end and the second end is formed in the first connecting seat (12);
the first end is in sealing connection with a hollow shaft (5) of the acoustic wave motor (2) through the first sealing piece (3), the second end is in sealing connection with the liquid outlet (4) through the second sealing piece (13), and the hollow shaft (5) is communicated with the liquid outlet (4) through a first through hole (14).
6. The sealing structure according to claim 5, wherein the sealing structure (22) further comprises a second connecting seat (15), the second connecting seat (15) is provided with a second through hole (16), and the first sealing member (3) further comprises a third sealing portion (17) arranged on the circumferential direction of the outer side wall of the first sealing portion (6);
the first sealing part (6) is arranged at one end of the acoustic wave motor (2) in a penetrating way, which faces the second through hole (16), and the end face of the first end is sealed with the second connecting seat (15) through the third sealing part (17).
7. The sealing structure according to claim 6, characterized in that the second connection seat (15) is provided with a second mounting groove (18), the bottom wall of the second mounting groove (18) being provided with the second through hole (16);
the first connecting seat (12) is arranged in the second mounting groove (18), and the end face of the first end and the bottom wall of the second mounting groove (18) are sealed through the third sealing part (17).
8. The sealing structure according to claim 7, wherein a first annular groove (19) is provided at an end face of the first end, and a second annular groove (20) is provided at an end face of the second end;
one end of the first sealing part (6) deviating from the acoustic wave motor (2) is inserted into the first annular groove (19), and the second sealing part (13) is arranged in the second annular groove (20).
9. The sealing structure according to claim 5, characterized in that the sealing structure (22) further comprises a sieve (21), and that at least one end of the first through hole (14) is provided with the sieve (21).
10. An automatic liquid spraying electric toothbrush, characterized by comprising a sealing structure (22) according to any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223038074.3U CN219148004U (en) | 2022-11-15 | 2022-11-15 | Sealing structure and automatic liquid spraying electric toothbrush |
| PCT/CN2023/131478 WO2024104332A1 (en) | 2022-11-15 | 2023-11-14 | Automatic liquid-spraying electric toothbrush, copper-free bristle implantation method, and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223038074.3U CN219148004U (en) | 2022-11-15 | 2022-11-15 | Sealing structure and automatic liquid spraying electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219148004U true CN219148004U (en) | 2023-06-09 |
Family
ID=86617358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223038074.3U Active CN219148004U (en) | 2022-11-15 | 2022-11-15 | Sealing structure and automatic liquid spraying electric toothbrush |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN219148004U (en) |
| WO (1) | WO2024104332A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024104332A1 (en) * | 2022-11-15 | 2024-05-23 | 上海飞科电器股份有限公司 | Automatic liquid-spraying electric toothbrush, copper-free bristle implantation method, and control method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7789583B2 (en) * | 2005-08-19 | 2010-09-07 | Youti Kuo | Manual and electrical pump toothbrushes for dispensing liquid and paste dentifrices |
| CN111035465A (en) * | 2019-12-17 | 2020-04-21 | 王仲彬 | Electric sound wave toothbrush |
| CN214630679U (en) * | 2020-12-23 | 2021-11-09 | 江苏嘉利达科技有限公司 | Multi-partition intensive bristle-planting copper-sheet-free environment-friendly nursing toothbrush |
| CN219148004U (en) * | 2022-11-15 | 2023-06-09 | 上海飞科电器股份有限公司 | Sealing structure and automatic liquid spraying electric toothbrush |
| CN220494501U (en) * | 2023-04-28 | 2024-02-20 | 上海飞科电器股份有限公司 | Toothbrush or tooth-rinsing device with tooth-cleaning medium channel |
-
2022
- 2022-11-15 CN CN202223038074.3U patent/CN219148004U/en active Active
-
2023
- 2023-11-14 WO PCT/CN2023/131478 patent/WO2024104332A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024104332A1 (en) * | 2022-11-15 | 2024-05-23 | 上海飞科电器股份有限公司 | Automatic liquid-spraying electric toothbrush, copper-free bristle implantation method, and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024104332A1 (en) | 2024-05-23 |
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