CN109758252B - Water-saving and electricity-saving environment-friendly tooth flushing device and method - Google Patents
Water-saving and electricity-saving environment-friendly tooth flushing device and method Download PDFInfo
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- CN109758252B CN109758252B CN201910217525.3A CN201910217525A CN109758252B CN 109758252 B CN109758252 B CN 109758252B CN 201910217525 A CN201910217525 A CN 201910217525A CN 109758252 B CN109758252 B CN 109758252B
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Abstract
The invention relates to a water-saving and electricity-saving environment-friendly tooth flushing device, which comprises a spray pipe (100), a shell (200), a water tank (300), a water pump (400) and a pulse part (500), wherein the spray pipe (100), the shell, the water tank (300), the water pump and the pulse part are driven by a first motor (401) to repeatedly extrude a guide pipe (201). The invention uses the pulse part (500) to repeatedly press the conduit (201) to make the spray pipe (100) spray water flow with flow speed changing in a reciprocating way, thereby realizing the same cleaning effect and massage effect with large electric quantity and large water flow by using less water and less electricity. In addition, the water pump (400) and the pulse part (500) adopt the same motor, so that the power consumption cost and the motor cost are saved.
Description
Technical Field
The invention relates to the field of dental medical physiotherapy and nursing, in particular to a tooth flushing device for flushing teeth.
background
Oral health has been a topic sought after. At present, except for the intelligent electric toothbrush, the electric tooth flushing device for flushing the teeth through water flow is more and more sought by users.
however, the conventional tooth flushing device is easy to cause low tooth flushing efficiency, waste water and electricity consumption due to the traditional driving mode, so that a water-saving and electricity-saving environment-friendly tooth flushing device is needed at present.
Disclosure of Invention
the invention aims to solve the technical problem of providing a water-saving and electricity-saving environment-friendly tooth flushing device.
the invention relates to a water-saving and electricity-saving environment-friendly tooth flushing device, which comprises
a spray tube for spraying water;
The upper end of the shell is in threaded connection with the spray pipe and is communicated with the spray pipe through a conduit;
a water tank fixed to the housing and communicating with the housing through a conduit;
A water pump disposed within the conduit, the water pump being driven by a first motor;
A pulse part repeatedly pressing the catheter by the first motor driving.
The invention relates to a water-saving and electricity-saving environment-friendly tooth flushing device, wherein a water pump comprises a first motor, a screw rod, a first bracket, a first gear, a second gear, an output shaft and a power module, a guide pipe is a bent pipe, the axis of one section of the guide pipe is coaxially configured with the screw rod and surrounds the screw rod, the side surface of one section of the guide pipe is rotatably and hermetically connected with the screw rod, the screw rod is arranged at one end of the first bracket through a bearing at the outer side of the guide pipe, the other end of the first bracket is fixed with the inner surface of a shell, the first gear is fixed on the screw rod close to the first bracket and is meshed with the second gear, the second gear is coaxially fixed with the output shaft of the first motor, the first motor is fixed with the inner surface of the shell, and the first motor is connected with the power module, the power module is fixed with the inner surface of the shell.
The invention relates to a water-saving and electricity-saving environment-friendly tooth flushing device, wherein a pulse part comprises a first bevel gear, a second bevel gear, a first shaft, a first cam, a first connecting rod, a second connecting rod, a third connecting rod, a first sliding block, a first guide rail, a first spring, a fourth connecting rod, a fifth connecting rod and a second shaft, an output shaft of a first motor is coaxially fixed with the first bevel gear, the first bevel gear and the second bevel gear are mutually meshed, the second bevel gear and the first shaft are coaxially fixed, the first shaft is arranged on the inner surface of a shell through a bearing, the first shaft is fixed with one end of the first connecting rod, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with the middle part of the third connecting rod, one end of the third connecting rod is hinged with the first sliding block, the other end of the third connecting rod is used for extruding the guide pipe, the first sliding block moves along the first guide rail, the left side surface of the first sliding block is connected with one end of the fourth connecting rod in a sliding mode, the first sliding block is fixed with one end of the first spring, the other end of the first spring is fixed with the inner surface of the shell, the other end of the fourth connecting rod is fixed with one end of the fifth connecting rod, the other end of the fifth connecting rod is fixed with the second shaft, the other end of the second shaft is installed on the inner surface of the shell through a bearing, and the other end of the fifth connecting rod is connected with the outer end face of the first cam in a sliding mode.
The invention relates to a water-saving and electricity-saving environment-friendly tooth flushing device, wherein one end of a fourth connecting rod is provided with a first roller through a bearing, and one end of the fourth connecting rod is in sliding connection with the left side surface of a first sliding block through the first roller.
The invention relates to a water-saving and electricity-saving environment-friendly tooth flushing device, wherein a second roller is arranged at the other end of a third connecting rod through a bearing, and the outer circumferential surface of the second roller is in contact with the side surface of a guide pipe.
The invention relates to a water-saving and electricity-saving environment-friendly tooth flushing device, wherein one side of a conduit far away from a third connecting rod is fixed with the surface of a baffle, and the end surface of the baffle is fixed with the inner surface of a shell.
The invention relates to a use method of a water-saving and electricity-saving environment-friendly tooth flushing device, which comprises the following steps:
S100, recording the tooth punching time of the registered user each time;
S200, acquiring age data A and a sex coefficient B of a registered user, the total tooth flushing time C of the registered user, and the rotating speed D of a first motor when a spray pipe sprays water at a standard speed, and outputting the rotating speed E according to the following formula:
Wherein the unit of the age data A is the year of the week; when the registered user is male or female, the gender coefficient B is 1.1 or 0.9 respectively; the total time C is in minutes; the unit of the rotating speed D and the unit of the rotating speed E are the same;
And S300, controlling a power module of the first motor to enable the first motor to rotate at the rotating speed of the rotating speed E.
The water-saving and electricity-saving environment-friendly tooth flushing device is different from the prior art in that the water-saving and electricity-saving environment-friendly tooth flushing device repeatedly extrudes the guide pipe through the pulse part to enable the flow velocity of water to be changed in a reciprocating mode to be sprayed out of the spray pipe, and therefore the same cleaning effect and massage effect of large electric quantity and large flow can be achieved with less water and less electricity. In addition, the water pump and the pulse part of the invention adopt the same motor, so as to save the electricity cost and the motor cost.
The water-saving and electricity-saving environment-friendly tooth flushing device is further explained below by combining the attached drawings.
Drawings
FIG. 1 is a front view of a water-saving and power-saving environment-friendly tooth flushing device in a first state;
FIG. 2 is a front view of the second state of FIG. 1;
FIG. 3 is a front view of the third state of FIG. 1;
FIG. 4 is an enlarged fragmentary view of the first position of FIG. 1;
FIG. 5 is an enlarged partial view of the second position of FIG. 1;
FIG. 6 is an enlarged partial view of the second position of FIG. 2;
Fig. 7 is a partial enlarged view of the third position of fig. 3.
Detailed Description
as shown in figures 1-7, referring to figures 1, 4 and 5, the water-saving and electricity-saving environment-friendly tooth flushing device comprises
A nozzle 100 for spraying water;
A housing 200 having an upper end screwed to the nozzle 100 and communicating with a conduit 201;
A water tank 300 fixed to the housing 200 and communicating with the duct 201;
A water pump 400 disposed in the duct 201, the water pump 400 being driven by a first motor 401;
a pulse unit 500 driven by the first motor 401 to repeatedly press the guide pipe 201.
in the present invention, the water flow with the flow velocity varying back and forth is ejected from the nozzle 100 by repeatedly pressing the duct 201 by the pulse part 500, so that the same washing effect and massage effect as those of a large amount of electricity and a large flow of water can be realized with less water and less electricity. In addition, the water pump 400 and the pulse part 500 of the present invention use the same motor to save the electricity cost and the motor cost.
The duct 201 comprises a first section 211, a second section 212, a third section 213, a fourth section 214, a fifth section 215, the first section 211 is disposed within the nozzle tube 100, the first section 211 communicates with the nozzle of the nozzle tube 100, the second section 212 is fixed to the upper portion of the housing 200, when the nozzle 100 is screw-coupled to the housing 200, the first section 211 communicates with the second section 212, the second section 212 is communicated with the third section 213, the third section 213 is a hose, the third section 213 can be made of rubber or resin, the third section 213 is communicated with the fourth section 214, a screw 402 is coaxially arranged in the fourth section 214, the lower end of the fourth section 214 is rotatably and hermetically connected with the screw 402 through a sealing ring, the side surface of the lower portion of the fourth section 214 is communicated with the upper end of the fifth section 215, the fifth section 215 is a bent pipe, and one end of the fifth section 215 extends out of the housing 200 to be communicated with the water tank 300.
the second section 212 and the fourth section 214 are fixed to the housing 200, and the fifth section 215 is fixed to the water tank 300.
Preferably, referring to fig. 1 and 4, the water pump 400 includes a first motor 401, a screw 402, a first bracket 403, a first gear 404, a second gear 405, an output shaft 406, and a power module 407, the conduit 201 is a bent pipe, an axis of one section of the conduit 201 is coaxially disposed with the screw 402 and surrounds the screw 402, a side surface of one section of the conduit 201 is rotatably and hermetically linked with the screw 402, the screw 402 is mounted at one end of the first bracket 403 at an outer side of the conduit 201 through a bearing, the other end of the first bracket 403 is fixed to an inner surface of the housing 200, the screw 402 is fixed to the first bracket 403 near the first bracket 404, the first gear 404 is engaged with the second gear 405, the second gear 405 is coaxially fixed to the output shaft 406 of the first motor 401, the first motor 401 is fixed to the inner surface of the housing 200, the first motor 401 is connected to a power module 407, and the power module 407 is fixed to an inner surface of the housing 200.
According to the invention, the water pump 400 can drive the screw 402 to rotate by the first motor 401 through gear transmission, so that the screw 402 can pump water in the conduit 201, and a space for the output shaft 406 to drive other mechanisms is reserved for the pulse part 500.
wherein, the side surface of one section of the conduit 201 is rotatably and sealingly connected with the screw 402 by a sealing ring, which is prior art and is not described herein.
preferably, referring to fig. 1, 2, 3, 5, 6, and 7, the pulse part 500 includes a first bevel gear 501, a second bevel gear 502, a first shaft 503, a first cam 504, a first link 505, a second link 506, a third link 507, a first slider 508, a first guide 509, a first spring 510, a fourth link 511, a fifth link 512, and a second shaft 513, the output shaft 406 of the first motor 401 is coaxially fixed to the first bevel gear 501, the first bevel gear 501 is engaged with the second bevel gear 502, the second bevel gear 502 is coaxially fixed to the first shaft 503, the first shaft 503 is mounted on the inner surface of the housing 200 by a bearing, the first shaft 503 is fixed to one end of the first link 505, the other end of the first link 505 is hinged to one end of the second link 506, the other end of the second link 506 is hinged to the middle portion of the third link 507, one end of the third link 507 is hinged to the first slider 508, the other end of the third link 507 is configured to press the guide tube 201, the first slider 508 moves along the first guide rail 509, the left side surface of the first slider 508 is slidably connected to one end of the fourth link 511, the first slider 508 is fixed to one end of the first spring 510, the other end of the first spring 510 is fixed to the inner surface of the housing 200, the other end of the fourth link 511 is fixed to one end of the fifth link 512, the other end of the fifth link 512 is fixed to the second shaft 513, the other end of the second shaft 513 is mounted on the inner surface of the housing 200 through a bearing, and the other end of the fifth link 512 is slidably connected to the outer end surface of the first cam 504.
the present invention can make the motion track of the third connecting rod 507 larger and more moderate through the pulse part 500 in the above manner, that is, the pulse part 500 with smaller size completes the reciprocating swing motion with a larger angle, so that the third connecting rod 507 can swing from bottom to top and more strongly press the conduit 201, and the water flow speed flowing to the nozzle 100 in the conduit 201 becomes larger and larger, and the same cleaning effect of large power and large water flow can be realized with smaller water quantity and electric quantity.
Wherein, the lateral extrusion and the longitudinal extrusion of the third connecting rod 507 to the conduit 201 increase the speed of the ejected water flow, and also make the water flow stroke turbulent to accelerate the flow of the water flow acting on the oral cavity, thereby having better cleaning effect compared with the direct ejected water flow.
The first shaft 503 is fixed along its length to a first link 505, a first cam 504, and a second bevel gear 502, respectively, so as to prevent their movement from interfering with each other.
the left side surface of the first sliding block 508 is connected with one end of the fourth connecting rod 511 in a sliding manner, and the sliding connection may be a direct lap joint or a connection through a first roller.
Wherein, the first spring 510 is used to pull the first slider 508 to the left continuously, so that it always presses one end of the fourth link 511.
The longitudinal direction of the first guide rail 509 may be arranged in a horizontal direction, or may be moved from a top-left to a bottom-right direction and a bottom-right to a top-left direction, and preferably, may be moved from a top-left to a bottom-right direction and a bottom-right to a top-left direction.
The first guide rail 509 is provided with a dovetail groove, the first slider 508 is provided with a dovetail slider, the dovetail groove is matched with the dovetail slider in shape, so that the first slider 508 is prevented from falling off from the first guide rail 509, and the two first guide rails 509 can be symmetrically arranged on two sides of the first slider 508, so that the first slider is further prevented from falling off.
When the water flow speed increasing device is used, the first motor 401 drives the first bevel gear 501, the second bevel gear 502 and the first shaft 503 to rotate, the first spring 510 always pulls the first slider 508 towards the left side, the first slider 508 presses the fifth connecting rod 512 to move towards the first cam 504 in a lever effect manner, so that the first slider 508 moves transversely at different positions under the contact of the outer end of the first cam 504 and the first shaft 503 with different radiuses, the transverse movement of the first slider 508 drives one end of the third connecting rod 507 to swing, the first shaft 503, the first connecting rod 505 and the second connecting rod 506 drive the middle of the third connecting rod 507 to swing, and the other end of the third connecting rod 507 is extruded and pushes liquid in the conduit 201 with larger swing angle and larger up-down movement amount, so as to increase the water flow speed.
preferably, one end of the fourth link 511 is mounted with a first roller 520 through a bearing, and one end of the fourth link 511 is slidably coupled with the left side surface of the first slider 508 through the first roller 520.
the sliding friction of the present invention can be changed into rolling friction by the first roller 520, and the diameter of the first roller 520 can be larger than the width of the fourth link 511, so that the middle portion of the fourth link 511 can be prevented from contacting the first slider 508.
The fourth link 511 is connected to the first roller 520 through the sixth link 521, the sixth link 521 is fixed to the fourth link 511, and the first roller 520 is mounted on the sixth link 521 through a bearing, so as to further prevent the middle of the fourth link 511 from contacting the first slider 508.
Preferably, the other end of the fifth link 512 is mounted with a first roller 520 through a bearing, and the other end of the fifth link 512 is slidably connected with the outer end surface of the first cam 504 through the first roller 520.
the present invention can change rolling friction into sliding friction by the first roller 520, and the diameter of the first roller 520 can be larger than the width of the fifth link 512, so that the contact of the middle portion of the fifth link 512 with the first cam 504 can be avoided.
The fifth link 512 is connected to the first roller 520 through a seventh link, the fifth link 512 is fixed to one end of the seventh link, and the first roller 520 is mounted to the other end of the seventh link through a bearing.
Preferably, the other end of the third link 507 is mounted with a second roller 530 through a bearing, and an outer circumferential surface of the second roller 530 is in contact with a side surface of the guide pipe 201.
The sliding friction is changed into rolling friction by the second roller 530, so that the service life of the guide pipe 201 is prevented from being reduced due to excessive friction.
Preferably, a side of the conduit 201 away from the third link 507 is fixed to a surface of a baffle 540, and an end surface of the baffle 540 is fixed to an inner surface of the housing 200.
the invention can ensure that the third connecting rod 507 is extruded by the baffle 540 to ensure that the conduit 201 is not easy to break because the conduit 201 is not bent integrally and only the inner diameter of one part of the conduit 201 is changed.
the invention relates to a use method of a water-saving and electricity-saving environment-friendly tooth flushing device, which comprises the following steps:
S100, recording the tooth punching time of the registered user each time;
S200, acquiring age data A and a sex coefficient B of a registered user, the total tooth flushing time C of the registered user, and the rotating speed D of the first motor 401 when the spray pipe 100 sprays water at a standard speed, and outputting the rotating speed E according to the following formula:
Wherein the unit of the age data A is the year of the week; when the registered user is male or female, the gender coefficient B is 1.1 or 0.9 respectively; the total time C is in minutes; the unit of the rotating speed D and the unit of the rotating speed E are the same;
S300, controlling the power module of the first motor 401 to rotate the first motor 401 at the rotation speed E.
The invention can make the water flow speed of young and old people higher and the water flow speed of old people lower through the above mode. Greater water flow in men and less water flow in women. And each user can increase the water flow speed along with the increase of the total use time of the user, so that the user can adapt to various crowds, and the user who does not use the tooth flusher frequently is converted into the user who is used to the tooth flusher frequently.
Wherein, the rotating speed D of the first motor 401 when the nozzle 100 sprays water at the standard speed is 1200 r/min.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. The water-saving and electricity-saving environment-friendly tooth flushing device is characterized in that: comprises that
a spout (100) for spraying water;
A housing (200) having an upper end in threaded connection with the nozzle (100) and communicating with a conduit (201);
A water tank (300) fixed to the housing (200) and communicating with a conduit (201);
a water pump (400) disposed within the conduit (201), the water pump (400) being driven by a first motor (401);
A pulse unit (500) that is driven by the first motor (401) to repeatedly press the catheter (201);
The water pump (400) comprises a first motor (401), a screw rod (402), a first bracket (403), a first gear (404), a second gear (405), an output shaft (406) and a power supply module (407), the conduit (201) is a bent pipe, the axis of one section of the conduit (201) is coaxially configured with the screw rod (402) and surrounds the screw rod (402), the side surface of one section of the conduit (201) is rotatably and hermetically linked with the screw rod (402), the screw rod (402) is arranged at one end of the first bracket (403) at the outer side of the conduit (201) through a bearing, the other end of the first bracket (403) is fixed with the inner surface of the shell (200), the first gear (404) is fixed on the screw rod (402) close to the first bracket (403), and the first gear (404) is meshed with the second gear (405), the second gear (405) is coaxially fixed with an output shaft (406) of the first motor (401), the first motor (401) is fixed with the inner surface of the shell (200), the first motor (401) is connected with a power supply module (407), and the power supply module (407) is fixed with the inner surface of the shell (200);
The pulse part (500) comprises a first bevel gear (501), a second bevel gear (502), a first shaft (503), a first cam (504), a first connecting rod (505), a second connecting rod (506), a third connecting rod (507), a first sliding block (508), a first guide rail (509), a first spring (510), a fourth connecting rod (511), a fifth connecting rod (512) and a second shaft (513), wherein an output shaft (406) of the first motor (401) is coaxially fixed with the first bevel gear (501), the first bevel gear (501) is meshed with the second bevel gear (502), the second bevel gear (502) is coaxially fixed with the first shaft (503), the first shaft (503) is mounted on the inner surface of the shell (200) through a bearing, the first shaft (503) is fixed with one end of the first connecting rod (505), and the other end of the first connecting rod (505) is hinged with one end of the second connecting rod (506), the other end of the second link (506) is hinged with the middle of the third link (507), one end of the third link (507) is hinged with the first slider (508), the other end of the third link (507) is used for extruding the guide pipe (201), the first slider (508) moves along the first guide rail (509), the left side surface of the first slider (508) is slidably connected with one end of the fourth link (511), the first slider (508) is fixed with one end of the first spring (510), the other end of the first spring (510) is fixed with the inner surface of the housing (200), the other end of the fourth link (511) is fixed with one end of the fifth link (512), the other end of the fifth link (512) is fixed with the second shaft (513), and the other end of the second shaft (513) is mounted on the inner surface of the housing (200) through a bearing, the other end of the fifth connecting rod (512) is connected with the outer end surface of the first cam (504) in a sliding mode.
2. The water-saving and electricity-saving environment-friendly tooth flushing device according to claim 1, characterized in that: one end of the fourth link (511) is provided with a first roller (520) through a bearing, and one end of the fourth link (511) is connected with the left side surface of the first slide block (508) in a sliding mode through the first roller (520).
3. the water-saving and electricity-saving environment-friendly tooth flushing device according to claim 2, characterized in that: the other end of the fifth connecting rod (512) is provided with a first roller (520) through a bearing, and the other end of the fifth connecting rod (512) is connected with the outer end surface of the first cam (504) in a sliding mode through the first roller (520).
4. the water-saving and electricity-saving environment-friendly tooth flushing device according to claim 2, characterized in that: the other end of the third link (507) is mounted with a second roller (530) through a bearing, and the outer circumferential surface of the second roller (530) is in contact with the side surface of the guide pipe (201).
5. The water-saving and electricity-saving environment-friendly tooth flushing device according to claim 4, characterized in that: the side of the conduit (201) far away from the third connecting rod (507) is fixed with the surface of a baffle plate (540), and the end surface of the baffle plate (540) is fixed with the inner surface of the shell (200).
6. The use method of the water-saving and electricity-saving environment-friendly tooth flushing device according to claim 5 is characterized by comprising the following steps:
S100, recording the tooth punching time of the registered user each time;
S200, acquiring age data A and a sex coefficient B of a registered user, the total tooth flushing time C of the registered user, and the rotating speed D of a first motor (401) when a spray pipe (100) sprays water at a standard speed, and outputting the rotating speed E according to the following formula:
wherein the unit of the age data A is the year of the week; when the registered user is male or female, the gender coefficient B is 1.1 or 0.9 respectively; the total time C is in minutes; the unit of the rotating speed D and the unit of the rotating speed E are the same;
S300, controlling a power supply module of the first motor (401) to enable the first motor (401) to rotate at the rotating speed of the rotating speed E.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910217525.3A CN109758252B (en) | 2019-03-21 | 2019-03-21 | Water-saving and electricity-saving environment-friendly tooth flushing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910217525.3A CN109758252B (en) | 2019-03-21 | 2019-03-21 | Water-saving and electricity-saving environment-friendly tooth flushing device and method |
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| CN109758252A CN109758252A (en) | 2019-05-17 |
| CN109758252B true CN109758252B (en) | 2019-12-10 |
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| CN201910217525.3A Active CN109758252B (en) | 2019-03-21 | 2019-03-21 | Water-saving and electricity-saving environment-friendly tooth flushing device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109771066B (en) * | 2019-03-28 | 2019-11-26 | 桐乡市易尔顺科技信息咨询有限公司 | A kind of energy-saving and environment-friendly electric tooth washing device and method |
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| CN2122604U (en) * | 1992-04-16 | 1992-11-25 | 彭光荣 | Multi-functional magnetotherapy tooth-rinsing machine |
| CN2366119Y (en) * | 1999-04-28 | 2000-03-01 | 杨忠 | Electrically driven infusion device |
| CN102271611A (en) * | 2008-12-29 | 2011-12-07 | 皇家飞利浦电子股份有限公司 | Non-pressurized system for creating liquid droplets in a dental cleaning appliance |
| CN109875710A (en) * | 2019-03-19 | 2019-06-14 | 吕林声 | A kind of intelligent dental scaler and method of economical environment-protective |
-
2019
- 2019-03-21 CN CN201910217525.3A patent/CN109758252B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122604U (en) * | 1992-04-16 | 1992-11-25 | 彭光荣 | Multi-functional magnetotherapy tooth-rinsing machine |
| CN2366119Y (en) * | 1999-04-28 | 2000-03-01 | 杨忠 | Electrically driven infusion device |
| CN102271611A (en) * | 2008-12-29 | 2011-12-07 | 皇家飞利浦电子股份有限公司 | Non-pressurized system for creating liquid droplets in a dental cleaning appliance |
| CN109875710A (en) * | 2019-03-19 | 2019-06-14 | 吕林声 | A kind of intelligent dental scaler and method of economical environment-protective |
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Effective date of registration: 20191118 Address after: No. 238, Shangyuan street, Jiangning District, Nanjing, Jiangsu Applicant after: Nanjing Boyun dental hospital Co., Ltd Address before: 100051 Beijing Fangshan District Chengguan Street Guba Road Area 1-Q115 Applicant before: Lv Linsheng |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Water-saving power-saving environment-friendly oral irrigator and method Effective date of registration: 20200108 Granted publication date: 20191210 Pledgee: Bank of Nanjing Co., Ltd. Jiangning sub branch Pledgor: Nanjing Boyun dental hospital Co., Ltd Registration number: Y2020320000019 |