CN110522527A - Waterproof seal and stamping machine - Google Patents

Waterproof seal and stamping machine Download PDF

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Publication number
CN110522527A
CN110522527A CN201910921136.9A CN201910921136A CN110522527A CN 110522527 A CN110522527 A CN 110522527A CN 201910921136 A CN201910921136 A CN 201910921136A CN 110522527 A CN110522527 A CN 110522527A
Authority
CN
China
Prior art keywords
connecting portion
waterproof seal
piston
reciprocating pump
piston rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910921136.9A
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Chinese (zh)
Other versions
CN110522527B (en
Inventor
李冬保
李保正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Risun Technology Co Ltd
Original Assignee
Shenzhen Risun Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201910921136.9A priority Critical patent/CN110522527B/en
Publication of CN110522527A publication Critical patent/CN110522527A/en
Application granted granted Critical
Publication of CN110522527B publication Critical patent/CN110522527B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/02Packing the free space between cylinders and pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14Pistons, piston-rods or piston-rod connections
    • F04B53/143Sealing provided on the piston

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • 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)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The invention discloses waterproof seal and stamping machines, wherein, the waterproof seal includes the first connecting portion for connecting with piston type reciprocating pump, the first connecting portion is connected with second connecting portion, the first connecting portion and second connecting portion surround to form inner cavity, and the inner cavity is used to be connected to the pumping cylinder of the piston type reciprocating pump;The second connecting portion is equipped with the opening be inserted into and can be tightly connected for the piston rod of the piston type reciprocating pump;The second connecting portion is equipped with the flexible part that can be stretched along the direction of motion of the piston rod of the piston type reciprocating pump, so that, the second connecting portion can be driven mobile when the piston rod moves reciprocatingly;The drainage channel for being connected to the inner cavity is additionally provided on the waterproof seal.The present invention has the advantages that versatile, waterproof performance is good, simple process, manufacturing cost are lower.

Description

Waterproof seal and stamping machine
Technical field
The present invention relates to Oral cleaner more particularly to a kind of waterproof seal and stamping machines.
Background technique
Stamping machine is a kind of household mouth washes equipment.Its principle is to remove dispel plaque and gum using the pulsating water of flowing Remaining food below line, so as to improve oral health.It include electric component and water pump component in stamping machine machine, because of water pump group Piston is moving component in part, is easy to cause water and other fluids to leak out in the case where poor sealing effect out of pumping cylinder, such as takes Improper measures, leak is easy to encounter electronic component, scraps stamping machine failure even.
The water pump of current portable stamping machine mostly uses reciprocating piston structure, usually installs in the peripheral surface of piston The sealing ring of standard specification is inevitably worn between piston and piston cavity wall to reach sealing effect, especially It is the swing that piston drive bar can also generate certain amplitude under the driving of eccentric wheel, so that sealing ring stress is more greatly, more It is prone to wear, is easy leakage using water pump after a period of time, stamping machine failure is caused even to be scrapped.
In the prior art, for how leakproof the problem of, solution is undesirable, and there are complex process, is produced into This height, processing efficiency is low, the imperfect defect of waterproof performance, for this purpose, the present invention is exactly to develop in this context.
Summary of the invention
The purpose of the present invention is to solve the seepy questions of stamping machine, on the one hand, a kind of waterproof seal is provided, it is another Aspect provides a kind of stamping machine.
To solve this above problem, the technical solution adopted by the present invention is that:
Waterproof seal comprising the first connecting portion for connecting with piston type reciprocating pump, the first connecting portion connect It is connected to second connecting portion, the first connecting portion and second connecting portion surround to form inner cavity, and the inner cavity is for being connected to the work The pumping cylinder of plug reciprocating pump;The second connecting portion is equipped with the piston rod insertion for the piston type reciprocating pump and can be tightly connected Opening;The second connecting portion is equipped with the flexible part that can be stretched along the direction of motion of the piston rod of the piston type reciprocating pump, So as to can drive the second connecting portion mobile when the piston rod moves reciprocatingly;It is additionally provided on the waterproof seal It is connected to the drainage channel of the inner cavity.
Preferably, the drainage channel is arranged in the first connecting portion.
Preferably, the drainage channel is arranged in the second connecting portion.
Preferably, the drainage channel includes the company extended towards the outside of the waterproof seal for connecting exterior line Connect end.
Preferably, the second connecting portion is in bellows tubulose;Radially, the second connecting portion is from close to described The side of first connecting portion is toward the opening side in contraction-like.
Preferably, the drainage channel runs through the first connecting portion, is equipped with and extends outwardly in the first connecting portion For connecting the connector of the drainage channel, the connector is flexible tube head or rigid tube head.
Preferably, the second connecting portion is equipped with the flexible tube head for being integrally formed and extending outwardly, the drainage channel It is connected to through the second connecting portion and with the flexible tube head.
Preferably, inwards extend in the first connecting portion for connecting one end of the piston type reciprocating pump and being equipped with Annular projection portion, the annular projection portion is for being tightly connected the piston type reciprocating pump.
Preferably, the rounded button of circumferential cross-section is equipped with for connecting one end of the piston rod in the second connecting portion Ring portion, the retaining ring part is for being tightly connected the piston rod.
The beneficial effects of the present invention are: by providing a kind of waterproof seal comprising for connecting with piston type reciprocating pump The first connecting portion connect, first connecting portion are connected with second connecting portion, and first connecting portion and second connecting portion surround to form inner cavity, Inner cavity is used to be connected to the pumping cylinder of piston type reciprocating pump;Second connecting portion is equipped with the piston rod insertion for piston type reciprocating pump and can be close Seal the opening of connection;Second connecting portion is equipped with the flexible part that can be stretched along the direction of motion of the piston rod of piston type reciprocating pump, with Make, can drive second connecting portion mobile when piston rod moves reciprocatingly;The connection inner cavity is additionally provided on waterproof seal Drainage channel.Therefore, the present invention has the advantages that versatile, waterproof performance is good, simple process, manufacturing cost are lower.
On the other hand, the present invention also provides a kind of stamping machine, including stamping machine ontology, the stamping machine ontology, which is equipped with, to be stored Wet part, water storage component connect draw water pipeline, and draw water pipeline is connected with the pumping cylinder of piston type reciprocating pump, piston type reciprocating pump Water outlet connects nozzle, and one end of the piston rod of piston type reciprocating pump connects driving part, the piston rod of piston type reciprocating pump The other end connects piston, further includes the waterproof seal in aforementioned either a program.
Preferably, the drainage channel is connected with drainpipe, and the water outlet of the drainpipe and setting are in the stamping machine Discharge outlet connection on ontology, it is external to enable the leak generated in the pumping cylinder is expelled to the stamping machine sheet;Alternatively, institute The water outlet for stating drainpipe is connect with the water storage component, is expelled to the water storage to enable by the leak generated in the pumping cylinder In component.
Since this programme has waterproof seal described in aforementioned schemes, the technical program also has aforementioned techniques Effect.
Detailed description of the invention
The present invention is described further with reference to the accompanying drawing.
Fig. 1 is the schematic perspective view of stamping machine in the present invention.
Fig. 2 is the schematic diagram of the section structure of stamping machine in the present invention.
Fig. 3 is the driving structure stereoscopic schematic diagram of piston type reciprocating pump in the present invention.
Fig. 4 is in the present invention from the schematic perspective view of the pumping cylinder of piston type reciprocating pump in terms of a direction.
Fig. 5 is in the present invention from the schematic perspective view of the piston rod of piston type reciprocating pump in terms of a direction.
Fig. 6 is in the present invention from the schematic perspective view of waterproof seal in terms of a direction.
Fig. 7 is the axial section structural schematic diagram of waterproof seal in the present invention.
Fig. 8 is the partial enlarged view of Fig. 4.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can be machine Tool connection, is also possible to be electrically connected;It can be directly connected, can also can also be two indirectly connected through an intermediary Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be Concrete meaning in invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower" It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above " Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of First feature horizontal height is less than second feature.
Below by specific embodiment combination attached drawing, invention is further described in detail.
Embodiment 1, refering to what is shown in Fig. 1, showing a kind of stamping machine 100, including stamping machine ontology 110 and water storage box 120,110 upper end of stamping machine ontology is equipped with spray head 130, and spray head is used to spray clean water to clean oral cavity.In this reality It applies in example, as water storage component, water storage box 120 is removably mounted at the stamping machine ontology 110 1 of 130 lower section of spray head Side, shape can adjust according to feel is held.Press machine ontology 110 is equipped with function control key 140 and state instruction Display unit 150, function control key 140 can be mechanical control button, be also possible to soft-touch control, status display component 150, which can be indicator light, is also possible to display screen.
With reference to shown in Fig. 2-Fig. 5, Fig. 8, stamping machine 100 has electric power storage parts, circuit control unit, driving part, water pump Component.Wherein, electric power storage parts include rechargeable battery 210, and circuit control unit includes circuit board 220, and driving part includes electricity Machine 230, face gear 231 and the eccentric wheel 232 in face gear, water pump component include pumping cylinder 240, piston 250, piston rod 260, water pump component forms piston type reciprocating pump, the preferred metal material of pumping cylinder.Wherein, circuit board 220 connects aforementioned function control Key 140, rechargeable battery 210 and motor 230, the output shaft transmission connection face gear 231 of motor 230, motor 230 turn The moving axis heart is located in two orthogonal planes with the center of rotation of face gear 231, and eccentric wheel 232 is equipped in face gear 231, 260 lower end of piston rod is equipped with an axle sleeve 261, and eccentric wheel 232 is interspersed in axle sleeve 261, and axle sleeve 261 is equipped with to be turned for face gear The hole 262 that axis 233 is pierced by, the upper end of piston rod 260 are equipped with piston 250, the inner wall cooperation of piston 250 and pumping cylinder 240;To protect The swing freedom degree of piston rod 260 is demonstrate,proved, the lower end of pumping cylinder 240 is hatch frame, is connected between piston rod 260 and pumping cylinder 240 There is waterproof seal 300.When motor 230 is run, face gear 231 is driven to rotate, face gear 231 is with 232 turns of movable eccentric wheel Dynamic, therefore, just band piston 250 realizes reciprocating motion, the cunning of piston 250 to piston rod 260 of the movable set on eccentric wheel 232 Dynamic stroke is 232 turns of eccentric wheel and 2 times of 231 axle center distance of face gear, therefore, can adjust eccentric wheel according to actual needs Position so as to adjust the sliding stroke of piston and the frequency of reciprocating reversing.
Pumping cylinder 240 is equipped with water inlet 241, is connected with water pipe head 242, a suction hose 243 flexible on water inlet One end is connect with water pipe head 242, and the other end stretches in water storage box 120, as preferable embodiment, the length of suction hose Degree should ensure that it can extend into the bottom of water storage box 120.In this way, after motor 230 starts, under the action of piston 250, water storage Water in case 120 is inhaled into pumping cylinder 240, then is sprayed by piston 250 via spray head 130, repeatedly.In the present invention In, as it is preferred when mode, spray head 130 is removably mounted on stamping machine ontology 110.
With reference to shown in Fig. 2-3, Fig. 6-8, in the present invention, 240 leak of pumping cylinder in order to prevent damages electrical component, special A kind of waterproof seal 300 is not proposed.Waterproof seal 300 includes the first connecting portion for connecting with pumping cylinder 240 301, first connecting portion 301 has the inner wall section of flat segments, and the inner wall section of the flat segments can cooperate real with the outer wall of pumping cylinder Now close connection, first connecting portion 301 are connected with second connecting portion 302, and first connecting portion 301 and second connecting portion 302 are surrounded Inner cavity 303 is formed, inner cavity 303 is for being connected to pumping cylinder 240;Second connecting portion 302 is equipped with simultaneously can the company of sealing for the insertion of piston rod 260 The opening 304 connect;Second connecting portion 302 is equipped with the flexible part that can be stretched along the direction of motion of piston rod 260, so that, work as piston Bar 260 can drive second connecting portion 302 mobile when moving reciprocatingly, in the present embodiment, second connecting portion 302 is flexible material Material is made;As preferably embodiment, the drainage channel 305 of connection inner cavity 303 is additionally provided in first connecting portion 301.
In order to facilitate connection exterior line, drainage channel 305 includes the connection extended towards the outside of waterproof seal 300 End, specifically, the connecting pin include a connector 306, and connector 306 is flexible tube head or rigid tube head.In the present embodiment, The component that connector 306 is integrally formed.
In order to cooperate piston rod 260 mobile, second connecting portion 302 is in bellows tubulose;Radially, second connecting portion 302 from the side close to first connecting portion 301 toward 304 sides of opening in contraction-like, the purpose designed in this way is, in piston rod 260 move up and down during can generate swinging for certain amplitude, it is remoter from eccentric wheel 232, the amplitude of swing also it is opposite more Greatly, therefore, the design wide at the top and narrow at the bottom of second connecting portion 302 can guarantee that piston rod 260 does not generate interference during the motion, together When, opening 304 is smaller, and sealing performance can more be guaranteed.
It is equipped with the annular projection portion 3011 inwards extended for one end of pumping cylinder 240 in first connecting portion 301, it is cyclic annular convex Portion 3011 is played for being tightly connected pumping cylinder 240, specifically, first annular groove 2401 is equipped in the outer perimeter wall of pumping cylinder 240, When installation, annular projection portion 3011 snaps onto first annular groove 2401 and realizes sealed connection.
It is equipped with the rounded retaining ring part 3021 of circumferential cross-section for connecting one end of piston rod 260 in second connecting portion 302, Retaining ring part 3021 is for being tightly connected piston rod 260, specifically, second annular groove 2601, retaining ring is equipped on piston rod 260 Portion 3021 snaps onto second annular groove 2601 and realizes sealed connection.
In the present invention, rubber, silica gel material is can be selected in waterproof seal 300, is integrally formed.Because of the working characteristics of product, It is considered as its wear-resisting property.
In the present invention, drainage channel 305 is connected with drainpipe 400, and the water outlet of drainpipe 400 and setting are in stamping machine sheet Discharge outlet 401 on body connects;As other embodiment, the water outlet of drainpipe 400 is connect with water storage box 120 (does not scheme Show).
In the present invention, as other embodiment, drainage channel 305 can also be arranged in second connecting portion 302, not scheme Show.In this case, second connecting portion 302 is equipped with the flexible tube head for being integrally formed and extending outwardly, and drainage channel 305 passes through It wears second connecting portion 302 and is connected to flexible tube head.
In the present invention, it can also be powered using adapter, when relative to setting electric power storage parts, such mode is in use There can be inconvenient situation.
In the present invention, different frequency water spray, intermittent water spray, the impact force for changing water etc. may be implemented in control circuit, Since circuit control part is as the prior art, it is not detailed.
In the present invention, in order to guarantee the job stability of piston rod 260, shaft is fixed on stamping machine ontology 110.
When stamping machine of the invention works, even if generating leak in pumping cylinder 240, under the drive of piston rod 260, second connects Socket part 302 is compressed, and the leak being stored in 300 inner cavity 303 of waterproof seal is discharged via connector 306 and drainpipe 400 It is external to stamping machine sheet;Alternatively, leak is expelled in water storage box 120.
By the design of waterproof seal, the present invention has the advantage that
1, waterproof seal is versatile, is applicable to various water pump structures, such as threeway, four-way water pump structure.
2, stamping machine waterproof performance is good, flexible by the way that having for inner hollow is arranged between Power Component and water pump component Waterproof seal, can effectively stop because piston wear or failure generate leak enter fuselage interior, improve stamping machine Waterproof performance, ensure that the quality of stamping machine, extend the service life of stamping machine.
3, the leak that the rear end of piston generates can be expelled to water tank by drainpipe through drainage hole and reuse, and save ring It protects.
4, the corresponding pumping cylinder inner wall of piston conduct range uses metal material, and airtightness and smoothness are more preferable, so that stamping Machine is more stable.
5, waterproof seal is that upper and lower end has opening and hollow structure inside, except its second connecting portion and piston rod connect Outside connecing, rest part does not generate friction with piston rod, does not influence the reciprocating motion of piston rod and piston, avoids energy loss.
6, waterproof seal is the easily-deformable material of elasticity, and side-wall outer side face is in corrugated, bellows permission waterproof sealing Part is deformed with piston rod movement to be guided in system without that will rub, and allow piston linear reciprocal movement certain distance and Friction will not be guided in system, to reduce the risk of sealing part abrasion and tearing, reduce energy loss.
7, waterproof seal and piston rod, pumping cylinder connection structure are firm.
8, the discharge structure in waterproof seal is not necessarily to additional assemblies, and simple process and low cost is versatile, waterproof Performance is more preferable.
In the description of this specification, reference term " embodiment ", " some embodiments ", " an implementation The description of example ", " some embodiments ", " example ", " specific example " or " some examples " etc. means to combine the embodiment or example Particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.In this explanation In book, schematic expression of the above terms be may not refer to the same embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The above content is specific embodiment is combined, further detailed description of the invention, and it cannot be said that this hair Bright specific implementation is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, it is not taking off Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made.

Claims (11)

1. waterproof seal, characterized by comprising:
First connecting portion for connecting with piston type reciprocating pump, the first connecting portion are connected with second connecting portion, and described One interconnecting piece and second connecting portion surround to form inner cavity, and the inner cavity is used to be connected to the pumping cylinder of the piston type reciprocating pump;
The second connecting portion is equipped with the opening be inserted into and can be tightly connected for the piston rod of the piston type reciprocating pump;
The second connecting portion is equipped with the flexible part that can be stretched along the direction of motion of the piston rod of the piston type reciprocating pump, with Make, can drive the second connecting portion mobile when the piston rod moves reciprocatingly;
The drainage channel for being connected to the inner cavity is additionally provided on the waterproof seal.
2. waterproof seal according to claim 1, which is characterized in that the drainage channel setting is in first connection In portion.
3. waterproof seal according to claim 1, which is characterized in that the drainage channel setting is in second connection In portion.
4. according to the described in any item waterproof seals of Claims 2 or 3, which is characterized in that the drainage channel includes towards institute The outside for stating waterproof seal extends connecting pin for connecting exterior line.
5. waterproof seal according to claim 4, which is characterized in that the second connecting portion is in bellows tubulose; Radially, the second connecting portion is from the side close to the first connecting portion toward the opening side in contraction-like.
6. waterproof seal according to claim 2, which is characterized in that the drainage channel is through first connection Portion, is equipped with the connector to extend outwardly for connecting the drainage channel in the first connecting portion, and the connector is soft Property tube head or rigid tube head.
7. waterproof seal according to claim 3, which is characterized in that the second connecting portion be equipped be integrally formed and The flexible tube head to extend outwardly, the drainage channel are connected to through the second connecting portion and with the flexible tube head.
8. waterproof seal according to claim 4, which is characterized in that for connecting the work in the first connecting portion One end of plug reciprocating pump is equipped with the annular projection portion inwards extended, and the annular projection portion is for being tightly connected the piston Formula reciprocating pump.
9. waterproof seal according to claim 4, which is characterized in that for connecting the work in the second connecting portion One end of stopper rod is equipped with the rounded retaining ring part of circumferential cross-section, and the retaining ring part is for being tightly connected the piston rod.
10. stamping machine, including stamping machine ontology, the stamping machine ontology is equipped with water storage component, and water storage component connects drinking-water pipe Road, draw water pipeline are connected with the pumping cylinder of piston type reciprocating pump, and the water outlet of piston type reciprocating pump connects nozzle, and piston type is reciprocal One end of the piston rod of pump connects driving part, and the other end of the piston rod of piston type reciprocating pump connects piston, which is characterized in that It further include the described in any item waterproof seals of claim 1-9.
11. stamping machine according to claim 10, which is characterized in that the drainage channel is connected with drainpipe, the row The water outlet of water pipe is connect with the discharge outlet being arranged on the stamping machine ontology, to enable the leak that will be generated in the pumping cylinder It is external to be expelled to the stamping machine sheet;
Alternatively, the water outlet of the drainpipe is connect with the water storage component, to enable the leak row that will be generated in the pumping cylinder Out into the water storage component.
CN201910921136.9A 2019-09-27 2019-09-27 Waterproof sealing piece and tooth flushing machine Active CN110522527B (en)

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CN201910921136.9A CN110522527B (en) 2019-09-27 2019-09-27 Waterproof sealing piece and tooth flushing machine

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Application Number Priority Date Filing Date Title
CN201910921136.9A CN110522527B (en) 2019-09-27 2019-09-27 Waterproof sealing piece and tooth flushing machine

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CN110522527B CN110522527B (en) 2024-06-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022246738A1 (en) * 2021-05-27 2022-12-01 上海飞象健康科技有限公司 Sealing ring for water flosser, and water flosser

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US4173437A (en) * 1977-08-01 1979-11-06 The Perkin-Elmer Corporation Dual-piston reciprocating pump assembly
US5046486A (en) * 1989-01-13 1991-09-10 Stryker Corporation Compact pulsing pump for irrigation handpiece
US6079959A (en) * 1996-07-15 2000-06-27 Saint-Gobain Performance Plastics Corporation Reciprocating pump
WO2018086377A1 (en) * 2016-11-09 2018-05-17 广东罗曼智能科技股份有限公司 Backflow-prevention oral irrigator
CN108478300A (en) * 2018-04-28 2018-09-04 深圳瑞圣特电子科技有限公司 A kind of tooth flusher
CN208851673U (en) * 2018-04-21 2019-05-14 深圳瑞美昌科技发展有限公司 A kind of dental scaler water leak preventing structure
CN110192925A (en) * 2019-05-23 2019-09-03 爱几度(深圳)科技有限公司 A kind of water toothpick and the suction pump for water toothpick
CN209332329U (en) * 2018-10-23 2019-09-03 深圳市旭月科技有限公司 Tooth flusher
CN210931972U (en) * 2019-09-27 2020-07-07 深圳瑞圣特电子科技有限公司 Waterproof sealing member and towards tooth machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173437A (en) * 1977-08-01 1979-11-06 The Perkin-Elmer Corporation Dual-piston reciprocating pump assembly
US5046486A (en) * 1989-01-13 1991-09-10 Stryker Corporation Compact pulsing pump for irrigation handpiece
US6079959A (en) * 1996-07-15 2000-06-27 Saint-Gobain Performance Plastics Corporation Reciprocating pump
WO2018086377A1 (en) * 2016-11-09 2018-05-17 广东罗曼智能科技股份有限公司 Backflow-prevention oral irrigator
CN208851673U (en) * 2018-04-21 2019-05-14 深圳瑞美昌科技发展有限公司 A kind of dental scaler water leak preventing structure
CN108478300A (en) * 2018-04-28 2018-09-04 深圳瑞圣特电子科技有限公司 A kind of tooth flusher
CN209332329U (en) * 2018-10-23 2019-09-03 深圳市旭月科技有限公司 Tooth flusher
CN110192925A (en) * 2019-05-23 2019-09-03 爱几度(深圳)科技有限公司 A kind of water toothpick and the suction pump for water toothpick
CN210931972U (en) * 2019-09-27 2020-07-07 深圳瑞圣特电子科技有限公司 Waterproof sealing member and towards tooth machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022246738A1 (en) * 2021-05-27 2022-12-01 上海飞象健康科技有限公司 Sealing ring for water flosser, and water flosser

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