WO2023071947A1 - Structure de pompe de mélange gaz-liquide et hydropulseur - Google Patents

Structure de pompe de mélange gaz-liquide et hydropulseur Download PDF

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Publication number
WO2023071947A1
WO2023071947A1 PCT/CN2022/126790 CN2022126790W WO2023071947A1 WO 2023071947 A1 WO2023071947 A1 WO 2023071947A1 CN 2022126790 W CN2022126790 W CN 2022126790W WO 2023071947 A1 WO2023071947 A1 WO 2023071947A1
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WO
WIPO (PCT)
Prior art keywords
cavity
liquid
gas
supply assembly
mixing pump
Prior art date
Application number
PCT/CN2022/126790
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English (en)
Chinese (zh)
Inventor
张海波
欧阳正良
黄柳
彭小健
Original Assignee
深圳朗特智能控制股份有限公司
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Application filed by 深圳朗特智能控制股份有限公司 filed Critical 深圳朗特智能控制股份有限公司
Publication of WO2023071947A1 publication Critical patent/WO2023071947A1/fr

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    • 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
    • A61C17/0217—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication having means for manually controlling the supply of two or more fluids, e.g. water and air

Definitions

  • the invention relates to the technical field of tooth and oral care, in particular to a gas-liquid mixing pump structure and a dental flosser.
  • the gingival sulcus is the most important junction leading to the root of the teeth. Because it is not easy to clean, it is easy to hide dirt and cause tooth and gum diseases.
  • dental flossers on the market, which can effectively clean the gingival sulcus and interdental gaps. The principle is to clean the gingival sulcus and teeth through a water flow with a certain water pressure, but in the cleaning process, it takes a lot of time.
  • the flosser also needs to be equipped with a larger water tank, resulting in a larger volume of the flosser, which is not easy to carry.
  • the invention provides a gas-liquid mixing pump structure and a dental flosser to solve the problems of large water consumption and inconvenient portability of the existing dental flossers.
  • a gas-liquid mixing pump structure comprising:
  • the connecting piece is provided with a first cavity
  • liquid supply assembly for supplying liquid to the first cavity, the liquid supply assembly is provided with a second cavity communicating with the first cavity;
  • a reciprocating component is used to change the pressure in the second cavity, so that the second cavity can obtain liquid or supply liquid to the first cavity, and the reciprocating component is connected to the second cavity;
  • An air supply assembly for supplying gas to the first cavity and driving the reciprocating assembly to work, the air supply assembly is respectively connected to the connecting member and the reciprocating assembly.
  • the air supply assembly includes:
  • the main body is provided with a third cavity, and the third cavity is connected to the reciprocating component;
  • the air pump is arranged on the main body and connected to the third cavity;
  • a pressure relief valve, the pressure relief valve is arranged on the main body and connected to the first cavity and the third cavity respectively.
  • reciprocating components include:
  • the flexible piece is respectively connected to the second cavity and the air supply assembly
  • the reset member is respectively connected to the flexible member and the liquid supply assembly, and is located in the second cavity;
  • the second cavity is in a positive pressure state, driving the liquid supply assembly to supply liquid to the first cavity;
  • the second cavity is in a negative pressure state, driving the liquid supply assembly to deliver liquid from the water tank to the second cavity.
  • the flexible member is sequentially provided with a central part, a ring part and a connecting part from the center toward the edge, the reset member abuts against the central part, and the connecting part is respectively connected to the liquid supply assembly and the liquid supply assembly. gas components.
  • the flexible member is provided with a mounting portion located at the center of the central portion and a limiting portion located on the central portion and spaced apart from the mounting portion, the mounting portion and the limiting portion are located at Inside the second cavity;
  • the reset member is a spring, and part of the reset member is sleeved on the installation part and located between the installation part and the limiting part.
  • the thickness of the connecting part and the thickness of the central part are both greater than the thickness of the ring part.
  • liquid supply component includes:
  • first one-way valve is respectively connected to the first cavity and the second cavity;
  • a second one-way valve used to allow the liquid in the water tank to enter the second cavity, and the second one-way valve is connected to the second cavity;
  • the housing, the first one-way valve and the second one-way valve are respectively arranged on the housing, the housing is connected with the reciprocating assembly and forms the second cavity.
  • a channel communicating with the first cavity is provided in the housing, and the channel is respectively connected to the first one-way valve and the second one-way valve.
  • a liquid stopper is provided at the air inlet of the first cavity.
  • a dental flosser comprising the gas-liquid mixing pump structure described in any one of the above.
  • the beneficial effect of the present invention is that: the gas supply component supplies gas to the first cavity, and by driving the reciprocating component, the liquid supply component supplies liquid to the first cavity, and the first cavity forms a high-pressure spray after acquiring gas and liquid.
  • the external output is used to clean the gingival sulcus and teeth, which is beneficial to reduce the water consumption during the cleaning process; at the same time, the weight and volume of the water tank configured on the dental flosser are reduced, thereby reducing the weight and volume of the dental flosser, making the The flosser is easy to carry.
  • Fig. 1 is the structural representation of the gas-liquid mixing pump structure of the embodiment of the present invention.
  • Fig. 2 is the sectional view of A-A section among Fig. 1;
  • Fig. 3 is an enlarged view of detail C in Fig. 2;
  • Fig. 4 is the sectional view of B-B interface among Fig. 1;
  • FIG. 5 is a schematic structural diagram of a flexible member according to an embodiment of the present invention.
  • Fig. 6 is a schematic structural view of the dental flosser according to the embodiment of the present invention.
  • Liquid supply assembly 110. Second cavity; 120. First one-way valve; 130. Second one-way valve; 140. Housing; 141. Channel;
  • Air supply assembly 210. Main body; 211. Third cavity; 220. Air pump; 230. Pressure relief valve; 231. Valve core; 232. Spring;
  • Reciprocating motion component 310. Flexible part; 311. Central part; 312. Surrounding part; 313. Connecting part; 314. Installation part; 315. Limiting part; 320. Reset part;
  • the embodiment of the present invention is: a gas-liquid mixing pump structure, which is applied to a dental flosser to clean the gingival sulcus and teeth.
  • the gas-liquid mixing pump structure includes: a connecting piece 400, the connecting piece 400 is provided with a first cavity 410; a liquid supply assembly 100 for supplying liquid to the first cavity 410, the liquid supply assembly 100 A second cavity 110 communicating with the first cavity 410 is provided; a reciprocating assembly 300 is used to change the pressure in the second cavity 110 so that the second cavity 110 acquires liquid or makes the The second cavity 110 supplies liquid to the first cavity 410, and the reciprocating assembly 300 is connected to the second cavity 110; used to supply gas to the first cavity 410 and drive the reciprocating motion
  • the air supply assembly 200 that the assembly 300 works, the air supply assembly 200 is respectively connected with the connecting member 400 and the reciprocating assembly 300 .
  • the liquid supply assembly 100 is connected to a water tank (not shown in the drawings), and the connecting piece 400 is a three-way pipe.
  • the working principle of the gas-liquid mixing pump structure is: the gas supply assembly 200 continuously inputs gas into the first cavity 410 , when the gas supply assembly 200 When the reciprocating assembly 300 is driven to move in the direction toward the second cavity 110, the inside of the second cavity 110 is in a positive pressure state, and if there is liquid in the second cavity 110, the The liquid supply assembly 100 delivers the liquid to the first chamber 410, otherwise the gas in the second chamber 110 is discharged to the first chamber 410; when the air supply assembly 200 drives the reciprocating assembly When the 300 moves away from the second cavity 110, the second cavity 110 is in a negative pressure state, and the liquid supply assembly 100 delivers the liquid in the water tank to the second cavity In 110, when the reciprocating component 300 is working in a working cycle, the first cavity 410 continuously receives liquid and gas, and the gas drives the liquid to form a high-pressure spray and output it to clean the gingival sulcus and teeth.
  • the air supply assembly 200 includes: a main body 210, the main body 210 is provided with a third cavity 211, and the third cavity 211 is connected to the reciprocating assembly 300; an air pump 220, and the air pump 220 is located at The main body 210 is connected to the third cavity 211; the pressure relief valve 230 is arranged on the main body 210 and connected to the first cavity 410 and the third cavity respectively 211.
  • the air pump 220 is connected to the air inlet of the third cavity 211 through a gas delivery pipe (not marked in the drawings), and a sealing ring is provided at the connection between the connecting piece 400 and the main body 210 to ensure air tightness.
  • the air pump 220 continues to pump air to the third cavity 211, so that the reciprocating assembly 300 moves in a direction toward the second cavity 110.
  • the liquid supply assembly 100 outputs the liquid in the second cavity 110 to the first cavity 410 to balance the pressure in the second cavity 110 pressure; when the pressure of the third chamber 211 reaches the peak value, the gas in the third chamber 211 will push the pressure relief valve 230 open and output to the first chamber 410, the reciprocating The moving assembly 300 moves away from the second cavity 110, and at this time the second cavity 110 is in a negative pressure state, and the liquid supply assembly 100 outputs the liquid in the water tank to the second cavity body 110 to balance the pressure in the second cavity 110 again.
  • the reciprocating motion assembly 300 performs a reciprocating motion so that the liquid supply assembly 100 continuously supplies the gas to the first cavity 410 .
  • the gas in the first cavity 410 drives the liquid to form a high-pressure spray and output it outward.
  • the air pump 220 is a vacuum air pump 220 .
  • the pressure relief valve 230 includes: a valve core 231, the valve core 231 is connected to the air outlet of the third cavity 211; a spring 232, one end of the spring 232 abuts against the In the air inlet of the first cavity 410 , the other end of the first spring 232 abuts against the valve core 231 .
  • the valve core 231 is made of rubber.
  • the reciprocating component includes: a flexible member 310, which connects the second cavity 110 and the air supply assembly 200 respectively; a reset member 320, the reset The member 320 connects the flexible member 310 and the liquid supply assembly 100 respectively, and is located in the second cavity 110; when the flexible member 310 moves toward the second cavity 110, the The second cavity 110 is in a positive pressure state, driving the liquid supply assembly 100 to supply liquid to the first cavity 410; when the flexible member 310 moves in a direction away from the second cavity 110, The inside of the second cavity 110 is in a negative pressure state, driving the liquid supply assembly 100 to deliver liquid from the water tank to the second cavity 110 .
  • the flexible member 310 is an integrated structure formed of a rubber material, and the flexible member 310 is respectively connected to the second cavity 110 and the third cavity 211; the reset member 320 is installed in the second cavity 110, one end of the reset member 320 abuts against the flexible member 310, and the other end of the reset member 320 abuts against the second cavity 110 and the flexible member. 310 is opposite to one of the sides.
  • the air pump 220 continues to pump air to the third cavity 211, so that the air pressure in the third cavity 211 increases, and the flexible member 310 moves along the direction
  • the direction of the second cavity 110 moves, at this time, the inside of the second cavity 110 is in a positive pressure state, and the liquid supply assembly 100 is driven to output the liquid in the second cavity 110 to the first cavity 410 to balance the pressure in the second cavity 110; when the pressure in the third cavity 211 reaches a peak value, the pressure relief valve 230 is pushed open by the gas, and the pressure in the third cavity 211 The gas is output to the first cavity 410, and the air pressure decreases.
  • the flexible member 310 is reset under the push of the reset member 320.
  • the second cavity 110 is in a negative pressure state, and the drive The liquid supply assembly 100 outputs the liquid in the water tank to the second chamber 110 to balance the pressure in the second chamber 110 again.
  • the flexible member 310 continuously reciprocates, so that the first cavity 410 is continuously filled with gas and liquid to form a high-pressure spray.
  • the flexible member 310 is provided with a central portion 311 , a ring portion 312 and a connecting portion 313 in sequence from the center toward the edge, and the reset member 320 abuts against the central portion 311 , so
  • the connecting portion 313 is respectively connected to the liquid supply assembly 100 and the air supply assembly 200 .
  • the deformable amount of the flexible member 310 is increased, and the pressure change amount of the second cavity 110 is increased, thereby increasing the liquid intake amount of the second cavity 110 and the second cavity 110.
  • the amount of liquid output from the cavity 110 to the first cavity 410 , and at the same time, the arrangement of the central portion 311 makes the deformation of the ring portion 312 consistent during movement.
  • the flexible member 310 is provided with a mounting portion 314 located at the center of the central portion 311 and a limiting portion 315 located on the central portion 311 and spaced apart from the mounting portion 314 , the mounting portion 314 and the limiting part 315 are located in the second cavity 110; wherein, the reset member 320 is a spring, and a part of the reset member 320 is sleeved on the installation part 314 and is located in the installation part 314 and the limiting part 315.
  • the reset member 320 By partially sheathing the reset member 320 on the mounting portion 314 and limiting the position by the limiting portion 315, the reset member 320 can be prevented from falling off during the movement of the flexible member 310, which is beneficial to ensure In addition to the overall stability, the second mounting portion 314 and the limiting portion 315 can increase the strength of the central portion 311 .
  • the thickness of the connecting portion 313 and the thickness of the central portion 311 are both greater than the thickness of the ring portion 312.
  • the ring portion 312 is more likely to be elastically deformed, thereby increasing the The connecting portion 313 and the central portion 311 can ensure the overall strength of the flexible member 310 .
  • one end of the ring portion 312 close to the connecting portion 313 is bent toward the third cavity 211 to an end close to the central portion 311 .
  • the liquid supply assembly 100 includes: a first one-way valve 120 , and the first one-way valve 120 is respectively connected to the first cavity 410 and the second cavity 110 ;
  • the second one-way valve 130 is used to make the liquid in the water tank enter the second cavity 110, and the second one-way valve 130 is connected to the second cavity 110;
  • the housing 140, the first one-way The one-way valve 120 and the second one-way valve 130 are respectively disposed on the housing 140 , and the housing 140 is connected to the reciprocating assembly 300 and forms the second cavity 110 .
  • first one-way valve 120 is respectively connected to the first cavity 410 and the water tank, and the liquid delivery pipe (not shown in the drawings) is connected between the first one-way valve 120 and the first cavity 410. logo) connection; the second one-way valve 130 and the water tank are connected through another liquid delivery pipe; the flexible member 310 is connected to the housing 140 to form the second cavity 110; the reset One end of the member 320 abuts against the flexible member 310 , and the other end of the reset member 320 abuts against the housing 140 .
  • the second cavity 110 continuously receives the liquid in the water tank and supplies the liquid to the first cavity 410 .
  • the second cavity 110 can output liquid and receive liquid respectively under the state of negative pressure and positive pressure.
  • the design is ingenious, and the extra pumping device is reduced, thereby reducing the cost of the dental flosser. size and weight.
  • the casing 140 is provided with a channel 141 communicating with the first cavity 410 , and the channel 141 is respectively connected with the first one-way valve 120 and the second one-way valve 130 .
  • the water tank starts to supply liquid to the second cavity 110, and when the second cavity 110 is in a negative pressure state, when the liquid enters the second cavity 110, it will be partially located in the channel 141, then when the second cavity 110 is in a positive pressure state, part of the liquid in the channel 141 will be directly output to the first cavity 410, thereby reducing the flow to the first cavity 410 Start time for supplying liquid.
  • the air inlet of the first cavity 410 is provided with a liquid stopper 420, and part of the liquid that is not sprayed will be blocked by the liquid stopper 420 and stay in the first cavity. 410, avoid entering the third cavity 211 until it mixes with the gas output from the third cavity 211 to form a high-pressure spray and output it outward.
  • this embodiment also discloses a dental flosser, including the gas-liquid mixing pump structure described in any one of the above, and also includes a dental flosser housing 500 and a nozzle 600, the gas-liquid mixing pump structure and the The nozzles 600 are respectively installed in the housing 500 of the dental flosser, and the nozzles 600 are connected to the connecting piece 400, so that the first cavity 410 is connected to the outside of the dental flosser, so as to facilitate the output of high-pressure spray to clean the gums grooves and teeth.
  • the gas supply component supplies gas to the first cavity while driving the liquid supply component to supply liquid to the first cavity, so that in the first cavity
  • the liquid and gas are mixed to form a high-pressure spray to clean the gingival sulcus and teeth, which reduces the water consumption during the cleaning process, and correspondingly reduces the weight and volume of the flosser, making the flosser easy to carry.
  • the high-pressure spray output by the dental flosser of the present invention can better remove food residues in the gingival sulcus and between the teeth, avoiding more fluid residues in the oral cavity when the user uses it, and is conducive to improving Comfort in use.
  • the structure design of the gas-liquid mixing pump is ingenious, and the structure is stable and effective.

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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)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne une structure de pompe de mélange gaz-liquide et un hydropulseur, la structure de pompe de mélange gaz-liquide comprenant : une pièce de raccordement (400), la pièce de raccordement (400) étant pourvue d'une première cavité (410) ; un ensemble d'alimentation en liquide (100) pour fournir du liquide à la première cavité (410), l'ensemble d'alimentation en liquide (100) étant pourvu d'une seconde cavité (110) communiquant avec la première cavité (410) ; un ensemble de va-et-vient (300) permettant de modifier la pression dans la seconde cavité (110) de sorte que la seconde cavité (110) acquiert un liquide ou la seconde cavité (110) fournit du liquide à la première cavité (410), l'ensemble de va-et-vient (300) étant relié à la seconde cavité (110) ; et un ensemble d'alimentation en gaz (200) pour fournir du gaz à la première cavité (410) et entraîner l'ensemble de va-et-vient (300) à travailler, l'ensemble d'alimentation en gaz (200) étant relié séparément à la pièce de raccordement (400) et à l'ensemble de va-et-vient (300). L'ensemble d'alimentation en gaz (200) fournit du gaz à la première cavité (410) et entraîne en même temps l'ensemble d'alimentation en liquide (100) pour fournir du liquide à la première cavité (410). Le liquide et le gaz dans la première cavité (410) sont mélangés pour former une pulvérisation haute pression pour nettoyer le sillon gingival et les dents, ce qui réduit la quantité d'eau consommée pendant le nettoyage, et réduit de manière correspondante le poids et le volume d'un hydropulseur, rendant l'hydropulseur facile à transporter.
PCT/CN2022/126790 2021-10-26 2022-10-21 Structure de pompe de mélange gaz-liquide et hydropulseur WO2023071947A1 (fr)

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CN202111250481.8 2021-10-26
CN202111250481.8A CN114081651B (zh) 2021-10-26 2021-10-26 一种气液混合泵结构及冲牙器

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Publication number Priority date Publication date Assignee Title
CN114081651B (zh) * 2021-10-26 2024-01-02 深圳朗特智能控制股份有限公司 一种气液混合泵结构及冲牙器

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JPH10314189A (ja) * 1997-05-16 1998-12-02 Tsukasa Odagiri 口腔洗浄装置
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CN114081651A (zh) * 2021-10-26 2022-02-25 深圳朗特智能控制股份有限公司 一种气液混合泵结构及冲牙器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10314189A (ja) * 1997-05-16 1998-12-02 Tsukasa Odagiri 口腔洗浄装置
JP2005349134A (ja) * 2004-06-14 2005-12-22 Matsushita Electric Works Ltd 口腔洗浄器
US20130233441A1 (en) * 2012-03-12 2013-09-12 Gojo Industries, Inc. Air-activated sequenced valve split foam pump
CN110169835A (zh) * 2019-05-31 2019-08-27 东莞英伍电子有限公司 洗牙机构及洗牙机
CN112545693A (zh) * 2020-11-26 2021-03-26 深圳素士科技股份有限公司 冲洗组件、口腔冲洗装置及方法
CN112842594A (zh) * 2021-01-22 2021-05-28 绍兴市爱牙牙科技有限公司 机芯结构及其应用
CN114081651A (zh) * 2021-10-26 2022-02-25 深圳朗特智能控制股份有限公司 一种气液混合泵结构及冲牙器

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