CN110269707B - Tooth washing device - Google Patents
Tooth washing device Download PDFInfo
- Publication number
- CN110269707B CN110269707B CN201910610172.3A CN201910610172A CN110269707B CN 110269707 B CN110269707 B CN 110269707B CN 201910610172 A CN201910610172 A CN 201910610172A CN 110269707 B CN110269707 B CN 110269707B
- Authority
- CN
- China
- Prior art keywords
- water outlet
- outlet valve
- water
- pump body
- valve plate
- 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.)
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Links
- 238000005406 washing Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 451
- 238000007789 sealing Methods 0.000 claims description 30
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 7
- 239000000243 solution Substances 0.000 description 17
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- DCMURXAZTZQAFB-UHFFFAOYSA-N 1,4-dichloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=C(Cl)C(C=2C(=CC=CC=2)Cl)=C1 DCMURXAZTZQAFB-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004401 flow injection analysis Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/102—Disc valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1087—Valve seats
Abstract
The invention provides a tooth flushing device which comprises a shell, a water inlet assembly, a water outlet assembly and a pump body assembly, wherein the pump body assembly comprises a valve pump body, a piston and a driving device, the valve pump body comprises a water inlet valve seat, a water outlet valve seat and a pump body, the water outlet valve seat is provided with a water outlet, the outer side of the water outlet is provided with a water outlet valve plate, the water outlet assembly comprises a water outlet pipe and a water outlet pipe joint, the outer end of the water outlet pipe joint is connected with a water outlet pipe, the inner end of the water outlet pipe joint is connected with the water outlet valve seat, the water outlet valve seat is provided with a water outlet valve cavity, the water outlet is arranged in the middle of the bottom surface of the water outlet valve cavity, the bottom surface of the water outlet valve cavity is provided with a water outlet valve plate supporting rib around the water outlet, the periphery of the water outlet valve plate supporting rib is provided with a plurality of water outlet valve plate guide ribs, and the driving device drives the piston to reciprocate in the pump body, and the water outlet valve plate reciprocates between the water outlet pipe joint and the water outlet valve plate guide ribs so as to control the opening and closing of the water outlet. The invention reduces the viscous resistance of water flow to the water outlet valve plate and improves the stability of water flow sprayed out of the pump body.
Description
Technical Field
The invention relates to the technical field of tooth flushing devices, in particular to a tooth flushing device.
Background
The tooth cleaning device is an auxiliary tool for cleaning the teeth and the tooth gaps by using a pulse water flow impact mode. The eccentric device is driven by the high-speed rotation force of the motor to drive the piston to reciprocate up and down, so that the opening and closing actions of the water valve and the water outlet valve are realized, and the pump body sucks and ejects high-pressure water flow, thereby achieving the effect of cleaning teeth and tooth gaps.
At present, the outlet valve seat of the tooth washing device on the market is of a simple planar structure, a film sealing gasket made of soft materials is arranged in the structure, the friction resistance of the planar simple structure and the film sealing gasket is large under the action of high-speed high-pressure suction and thrust, the sealing gasket is easy to damage, the viscosity of the sealing gasket is increased after the sealing gasket meets water, the resistance is increased, the sprayed water pressure is reduced, and the practical effect of a product is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the tooth washer with small friction resistance of the water outlet valve plate and capable of reducing the viscosity of the water outlet valve plate after meeting water.
In order to solve the technical problems, the invention adopts the following technical scheme:
the tooth flushing device comprises a shell, a water inlet assembly, a water outlet assembly and a pump body assembly, wherein the water inlet assembly, the water outlet assembly and the pump body assembly are arranged in the shell, the pump body assembly comprises a valve pump body, a piston and a driving device, the valve pump body comprises a water inlet valve seat, a water outlet valve seat and a pump body, the water outlet valve seat is provided with a water outlet, the water outlet is communicated with the pump body, the piston is arranged in the pump body, the outer side of the water outlet is provided with a water outlet valve plate, the driving device drives the piston to reciprocate in the pump body so as to control the opening and closing of the water outlet, the water outlet assembly comprises a water outlet pipe and a water outlet pipe joint, the outer end of the water outlet pipe joint is connected with the water outlet pipe, and the inner end of the water outlet pipe joint is connected with the water outlet valve seat; the water outlet valve seat is provided with a water outlet valve cavity, the water outlet is arranged in the middle of the bottom surface of the water outlet valve cavity, the bottom surface of the water outlet valve cavity is provided with a water outlet valve plate supporting rib around the water outlet, and the periphery of the water outlet valve plate supporting rib is provided with a plurality of water outlet valve plate guide ribs; when the piston reciprocates, the water outlet valve plate reciprocates between the water outlet pipe joint and the water outlet valve plate guide rib.
Compared with the prior art, the water outlet valve seat of the tooth flushing device is provided with the water outlet valve block supporting ribs and the water outlet valve block guiding ribs, so that the water outlet valve seat part is of a non-single plane structure, the water outlet valve block supporting ribs reduce the contact area between the water outlet valve block and the water outlet valve seat, reduce the viscous resistance of water flow to the water outlet valve block, effectively prevent the loss of the water outlet valve block, reduce the friction force of the water outlet valve block during the back and forth movement, and simultaneously are beneficial to limiting the position of the water outlet valve block in the circumferential direction, thereby improving the stability of water flow sprayed out of a pump body.
Preferably, the water outlet valve block supporting rib is of a circular ring structure, the water outlet valve block supporting rib is rounded, the contact area between the water outlet valve block and the water outlet valve seat is further reduced by using the design of the rounded corner, and meanwhile, the viscous resistance of water flow to the water outlet valve block can be further reduced.
Preferably, the end part of the water outlet valve plate guide rib is a full-round angle, so that the contact area between the water outlet valve plate and the guide rib is further reduced, and the friction resistance of the water outlet valve plate in back and forth movement is further reduced.
Preferably, the guide ribs of the water outlet valve plate are uniformly distributed at the bottom of the water outlet valve cavity, so that the average stress of the water outlet valve plate is facilitated, and the stability of opening and closing of the water outlet is ensured.
Preferably, the water outlet is communicated with the pump body through a water outlet channel, a first diversion surface is arranged at the joint of the water outlet channel and the pump body, the first diversion surface is of an inclined surface structure, the section of the first diversion surface is reduced from the pump body along the water outlet direction, and the quick guiding-out of water flow is facilitated.
Further, the first guide surface is provided with a second guide surface at the joint of the pump body, the second guide surface is of an inclined surface structure, the cross section of the second guide surface is changed from large to small along the direction of the first guide surface from the pump body, the first guide surface and the second guide surface are combined into a funnel-shaped structure, and water flow sucked into the pump body is favorably collected and then flows through the water outlet pipe joint through a gap between the guide rib of the water outlet valve plate and the inner surface of the water outlet valve seat, and is sprayed out at a high speed through the water outlet pipe.
Preferably, the water outlet assembly comprises a water outlet pipe and a water outlet pipe joint, the outer end of the water outlet pipe joint is connected with the water outlet pipe, the inner end of the water outlet pipe joint is connected with the water outlet valve seat, the water outlet hole is formed in the inner end face of the water outlet pipe joint, a water outlet valve sealing ring mounting groove is formed in the outer side of the water outlet pipe joint, a water outlet valve sealing ring is mounted in the water outlet valve sealing ring mounting groove, and the water outlet pipe joint is in sealing connection with the water outlet valve seat through the water outlet valve sealing ring, so that stable spraying of water flow is facilitated.
Preferably, the outer periphery of the water outlet pipe joint is provided with a first flange, a first connecting hole is formed in the first flange, the water outlet valve seat is provided with a second connecting hole corresponding to the first connecting hole, a screw penetrates through the first connecting hole and the second connecting hole to be in threaded connection, so that the water outlet pipe joint and the water outlet valve seat are fixedly connected, secondary sealing is realized, and the working stability of the tooth flushing device is improved.
Preferably, the driving device comprises a motor, a connecting rod and an eccentric wheel, one end of the connecting rod is connected with the piston, the other end of the connecting rod is connected with the eccentric wheel through a connecting rod shaft, the eccentric wheel is connected with the motor, the motor drives the eccentric wheel to rotate, and the high-speed rotation of the eccentric wheel drives the connecting rod and the piston to reciprocate rapidly, so that suction force or thrust is generated on the water inlet valve plate and the water outlet valve plate, and accordingly the opening and the closing of the water inlet and the water outlet are controlled.
Preferably, the water outlet valve plate is made of foaming materials, and has the advantages of light weight, smooth surface, small friction and low noise during working.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a cross-sectional view of the pump body assembly, inlet fitting, outlet fitting and outlet fitting of the present invention;
FIG. 5 is an enlarged view of area B of FIG. 4;
FIG. 6 is a cross-sectional view of the valve body of the present invention;
FIG. 7 is a second cross-sectional view of the valve body of the present invention;
FIG. 8 is a schematic illustration of a valve body of the present invention;
FIG. 9 is a schematic diagram II of the valve body of the present invention;
FIG. 10 is a schematic view of the inlet fitting of the present invention;
FIG. 11 is a schematic illustration of a water outlet fitting of the present invention;
FIG. 12 is a schematic diagram II of the water outlet pipe joint of the present invention;
FIG. 13 is a top view of the outlet fitting of the present invention;
fig. 14 is a cross-sectional view of the outlet fitting of the present invention.
Description of the reference numerals: 101 housing, 102 water inlet assembly, 103 water outlet assembly, 104 pump body assembly, 105 drive, 106 water inlet, 107 water outlet, 1061 water inlet channel, 1071 water outlet channel, 1 left housing, 2 water inlet tube, 3 water inlet fitting, 4 water inlet valve seal ring, 5 water inlet valve, 6 water outlet tube, 7 water outlet tube seal ring, 8 water outlet fitting, 9 water outlet tube fitting seal ring, 10 water outlet valve, 11 valve pump body, 12 piston seal ring, 13 piston, 14 connecting rod, 15 connecting rod shaft, 16 eccentric wheel, 17 motor, 18PCB board, 19 battery, 20 right housing, 71 water outlet tube seal ring mounting groove 71, 1001 water inlet valve cavity, 1002 water outlet valve cavity, 111 water inlet valve seat, 112 water outlet valve seat, 113 pump body, 311 water inlet hole, 312 water inlet valve plate spacing rib, 313 water inlet valve seal ring mounting groove, 314 second flange, 315 third connecting hole, 316 fourth connecting hole, 801 water outlet hole, 811 water outlet valve plate spacing boss, 812 water outlet groove, 813 water outlet guide surface, 814 water outlet seal ring mounting groove, 815 first flange, 816 first connecting hole, 817 second connecting hole, joint hole, 1112, joint guide surface 1123 water inlet guide surface 1121, guide surface 1123 water inlet guide surface 1122, guide surface 1122.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1 to 14, the tooth washer comprises a shell 101 and a water inlet assembly 102, a water outlet assembly 103 and a pump body assembly 104 which are arranged in the shell 101, wherein the shell 101 comprises a left shell 1 and a right shell 20, the left shell 1 and the right shell 20 are assembled to form an installation space, the pump body assembly 104 comprises a valve pump body 11, a piston 13 and a driving device 105, the valve pump body 11 comprises a water inlet valve seat 111, a water outlet valve seat 112 and a pump body 113, the water inlet valve seat 111 and the water outlet valve seat 112 are respectively provided with a water inlet 106 and a water outlet 107, the water inlet 106 and the water outlet 107 are respectively communicated with the pump body 113, the piston 13 is arranged in the pump body 113, the water inlet assembly 102 is connected with the water inlet valve seat 111, one end, connected with the water inlet assembly 102, provided with the water outlet valve seat 112, of the water outlet assembly 103 is provided with a water outlet 801, the water inlet 106 is provided with a water inlet valve sheet 5, the water outlet 107 is provided with a water outlet 10, the driving device 105 is provided with the piston 13 in the valve seat 113, the valve sheet is driven by the driving device 1002, the valve sheet 13 is provided with a plurality of water inlet ribs 311 and the water outlet ribs 107 around the water outlet ribs 107, the water outlet ribs 1122 are arranged on the periphery of the valve seat 107, and support the water outlet ribs 107 are arranged on the water outlet ribs 1002.
Compared with the prior art, the water valve seat 112 of the tooth flushing device provided by the invention is provided with the water valve plate supporting ribs 1122 and the water valve plate guiding ribs 1121, so that the water valve seat 112 is of a non-single plane structure, the water valve plate supporting ribs 1122 reduce the contact area between the water valve plate 10 and the water valve seat 112, reduce the viscous resistance of water flow to the water valve plate 10, effectively prevent the loss of the water valve plate 10, and the water valve plate guiding ribs 1121 reduce the friction force of the water valve plate 10 during the back and forth movement, and are beneficial to limiting the position of the water valve plate 10 in the circumferential direction, thereby improving the stability of water flow sprayed out of the pump body 113.
Referring to fig. 9, as a preferred solution, the water outlet valve plate supporting rib 1122 has a circular structure, the water outlet valve plate supporting rib 1122 is rounded, and the contact area between the water outlet valve plate 10 and the water outlet valve seat 112 is further reduced by using the design of the rounded corner, and the viscous resistance of the water flow to the water outlet valve plate 10 can be further reduced.
Referring to fig. 6 and 9, the water outlet valve plate guide ribs 1121 are uniformly distributed at the bottom of the water outlet valve cavity 1002, which is helpful to the average stress of the water outlet valve plate 10, and ensures the stability of opening and closing the water outlet 107, and the convex parts of the water outlet valve plate guide ribs are rounded corners, so that the contact area between the water outlet valve plate 10 and the guide ribs is further reduced, and the friction resistance of the back and forth movement of the water outlet valve plate 10 is further reduced.
Referring to fig. 6 and 7, as a preferred solution, the water outlet 107 is communicated with the pump body 113 through a water outlet channel 1071, a first diversion surface 1123 is provided at a connection portion between the water outlet channel 1071 and the pump body 113, the first diversion surface 1123 is in an inclined structure, and a section of the first diversion surface 1123 is reduced from the pump body 113 along the direction of the water outlet 107, which is beneficial to rapid guiding of water flow.
Referring to fig. 6 and 7, as a preferred solution, a second flow guiding surface 1124 is provided at the connection between the first flow guiding surface 1123 and the pump body 113, the second flow guiding surface 1124 has an inclined surface structure, the cross section of the second flow guiding surface 1124 is reduced from the pump body 113 along the direction of the first flow guiding surface 1123, and the first flow guiding surface 1123 and the second flow guiding surface 1124 are combined into a funnel-shaped structure, which is favorable for collecting the water flow sucked into the pump body 113, flowing through the water outlet pipe joint through the gap between the water outlet valve plate guiding rib 1121 and the inner surface of the water outlet valve seat 112, and being ejected out through the water outlet pipe at a high speed.
Referring to fig. 1, 9, and 11 to 14, as a preferred solution, the water outlet assembly 103 includes a water outlet pipe 6 and a water outlet pipe joint 8, the outer end of the water outlet pipe joint 8 is connected with the water outlet pipe 6, the inner end is connected with the water outlet valve seat 112, the water outlet hole 801 is disposed in the middle of the inner end surface of the water outlet pipe joint 8, a water outlet valve seal ring mounting groove 814 is disposed on the outer side of the water outlet pipe joint 8, the water outlet valve seal ring 9 is mounted in the water outlet valve seal ring mounting groove 814, and the water outlet pipe joint 8 is in sealing connection with the water outlet valve seat 112 through the water outlet valve seal ring 9, so that stable water flow spraying is facilitated.
Referring to fig. 9 and fig. 11 to fig. 14, as a preferred solution, the outer periphery of the water outlet pipe joint 8 is provided with a first flange 815, the first flange 815 is provided with a first connection hole 816, the position of the water outlet valve seat 112 corresponding to the first connection hole 816 is provided with a second connection hole 817, and a screw penetrates through the first connection hole 816 and the second connection hole 817 to realize the fixed connection of the water outlet pipe joint 8 and the water outlet valve seat 112, so as to realize secondary sealing and improve the working stability of the tooth irrigator.
Referring to fig. 1, as a preferred solution, a water outlet pipe sealing ring mounting groove 71 is provided at the connection part of the water outlet pipe joint 8 and the water outlet pipe 6, the water outlet pipe sealing ring mounting groove 71 is provided with a water outlet pipe sealing ring 7, and the water outlet pipe joint 8 is in sealing connection with the water outlet pipe 6 through the water outlet pipe sealing ring 7, so as to ensure stable spraying of water flow.
Fig. 9, fig. 11 to fig. 14, as a preferred solution, the inner end surface of the water outlet pipe joint 8 is provided with a plurality of water outlet valve block limiting bosses 811 arranged at intervals around the water outlet hole 801, a water outlet groove 812 is formed between adjacent water outlet valve block limiting bosses 811, the water outlet groove 812 and the water outlet valve block limiting bosses 811 are arranged in a staggered manner, so that the water outlet pipe joint 8 is in a non-single plane structure, a concave-convex combination is formed through the water outlet groove 812 and the water outlet valve block limiting bosses 811, water pumped by the pump body 113 can flow out of the water outlet groove 812 quickly, and meanwhile, the friction resistance of the water outlet valve block 10 during resetting can be reduced by the water outlet valve block limiting bosses 811, and the working reliability of the tooth washer is improved. In addition, the water outlet valve block limiting boss 811 limits the movement of the water outlet valve block 10 in the axial direction, and the water outlet valve block limiting boss is combined with the water outlet valve block guide rib 1121 to limit the movement of the water outlet valve block 10 in the radial direction, so that the water outlet valve block is better limited in cooperation with the water outlet valve block limiting boss 811.
Referring to fig. 11, the water outlet channel 812 is inclined along the direction of the water outlet 801, so as to accelerate the flow rate of water.
Referring to fig. 11 to 14, as a preferred solution, a circle of water outlet guide surface 813 is provided between the water outlet 801 and the water outlet channel 812, the water outlet guide surface 813 is communicated with the water outlet channel 812, the water outlet guide surface 813 is obliquely provided, the cross section of the water outlet guide surface 813 is changed from the water outlet channel 812 to be smaller along the water outlet 801, and the water outlet channel 812 is connected with the water outlet guide surface 813 to form a funnel structure, which is beneficial to improving the water flow injection force of the water flow collected in the pump body 113, so that the water flow is more convenient to be injected.
Referring to fig. 11 to 14, as a preferred solution, the outlet valve plate limiting bosses 811 are uniformly distributed on the inner end surface of the outlet pipe joint 8, so that the outlet valve plate 10 is uniformly stressed.
In fig. 6 to 8, as a preferred solution, the water inlet valve seat 111 is provided with a water inlet valve cavity 1001, the water inlet 106 is disposed in the middle of the bottom surface of the water inlet valve seat 111, a plurality of water inlet valve block supports 1114 disposed at intervals are disposed on the bottom surface of the water inlet valve cavity 1001 around the outer side of the water inlet 106, water inlet grooves 1111 are formed between adjacent water inlet valve block supports 1114, the water inlet grooves 1111 are communicated with the water inlet 106, and a plurality of water inlet valve block guide ribs 1113 protruding toward the water inlet 106 are disposed on the side wall of the water inlet valve cavity 1001; the water inlet valve seat 111 is provided with the water inlet valve seat 1114 and the water inlet valve seat guide ribs 1113, so that the water inlet valve seat 111 is of a non-single plane structure, the contact area between the water inlet valve seat 111 and the water inlet valve seat 5 is reduced by the water inlet valve seat 1114, the viscous resistance of water flow to the water inlet valve seat 5 is reduced, the loss of the water inlet valve seat 5 is effectively prevented, the friction force of the water inlet valve seat 5 during the back and forth movement is reduced by the water inlet valve seat guide ribs 1113, and the position of the water inlet valve seat 5 in the circumferential direction is limited, so that the stability of the water inlet flow sprayed by the pump body 113 is improved.
Referring to fig. 7 and 8, as a preferred solution, the water inlet valve plate guiding rib 1113 is disposed on the water inlet valve plate support 1114, and the water inlet valve plate guiding rib 1113 is rounded to reduce friction when the water inlet valve plate 5 moves, and is favorable for reducing the contact area between the water inlet valve plate 5 and the water inlet valve plate guiding rib 1113, and reducing water flow resistance.
Referring to fig. 7, as a preferred solution, the outer end of the water inlet 106 is provided with a water inlet guiding surface 1112, the water inlet groove 1111 is communicated with the water inlet guiding surface 1112, the water inlet guiding surface 1112 is obliquely arranged, and the section of the water inlet guiding surface 1112 is reduced from the water inlet groove 1111 along one side of the pump body 113, so that the water flow sucked in is more rapid and smooth.
Referring to fig. 6 to 8, the water inlet grooves 1111 are inclined along the direction of the water inlet guiding surface 1112, and the inclined surface of the water inlet grooves 1111 and the water inlet guiding surface 1112 are combined into a funnel-shaped structure, so that water flow is quickly sucked into the pump body 113.
Referring to fig. 6 to 8, the water inlet valve block supports 1114 are fan-shaped, and each water inlet valve block support 1114 is uniformly arranged, so that the stress of the water inlet valve block 5 is uniform, and each water inlet groove 1111 is radially arranged along the water inlet, 106, so that water flow can conveniently and rapidly enter the pump body 113.
Referring to fig. 1 and 10, as a preferred solution, the water inlet assembly 102 includes a water inlet pipe 2 and a water inlet pipe joint 3, the outer end of the water inlet pipe joint 3 is connected with the water inlet pipe 2, the inner end is connected with the water inlet valve seat 111, the water inlet hole 311 is disposed on the inner end surface of the water inlet pipe joint 3, and a circle of water inlet valve plate limiting ribs 312 protruding outwards are disposed around the water inlet hole 311 on the inner end surface of the water inlet pipe 2, and are used for positioning and limiting the water inlet valve plate 5.
Referring to fig. 10, as a preferred solution, the water inlet valve plate limiting ribs 312 are rounded completely, so that the contact area between the water inlet valve plate 5 and the water inlet valve plate limiting ribs 312 is smaller, and the viscous resistance of the water is small, thereby facilitating the rapid opening of the water inlet valve plate 5 and high-speed water suction.
Referring to fig. 1 and 10, as a preferred solution, a water inlet valve sealing ring mounting groove 313 is provided on the outer side of the water inlet pipe joint 3, the water inlet valve sealing ring mounting groove 313 is provided with a water inlet valve sealing ring 4, and the water inlet pipe joint 3 is in sealing connection with the water inlet valve seat 111 through the water inlet valve sealing ring 4, so that the water inlet valve seat 111 and the water inlet pipe joint 3 are effectively sealed, and the stable water flow spraying into the pump body 113 is facilitated.
Referring to fig. 8 and 10, as a preferred solution, the outer periphery of the water inlet pipe joint 3 is provided with a second flange 314, the second flange 314 is provided with a third connecting hole 315, a fourth connecting hole 316 is provided at a position of the water inlet valve seat 111 corresponding to the third connecting hole 315, and a screw passes through the third connecting hole 315 and the fourth connecting hole 316 to be screwed to realize the fixed connection between the water inlet pipe joint 3 and the water inlet valve seat 111, so as to realize secondary sealing and improve the working stability of the tooth cleaner.
As a preferable scheme, the water inlet valve plate 5 and the water outlet valve plate 10 are made of foaming materials, and have the advantages of light weight, smooth surface, small friction force and low noise during working.
Referring to fig. 1, 2 and 6, as a preferred solution, the driving device 105 includes a connecting rod 14, a connecting rod shaft 15, an eccentric wheel 16, a motor 17, a PCB board 18 and a battery 19, one end of the connecting rod 14 is connected with a piston 13, the other end is connected with the eccentric wheel 16 through the connecting rod shaft 15, a piston sealing ring 12 is arranged between the piston 13 and a pump body 113, the eccentric wheel 16 is connected with the motor 17, the motor 17 drives the eccentric wheel 16 to rotate, and the high-speed rotation of the eccentric wheel 16 drives the connecting rod 14 and the piston 13 to reciprocate rapidly, so as to generate suction force or thrust to the water inlet valve plate 5 and the water outlet valve plate 10, thereby controlling the opening and closing of the water inlet 106 and the water outlet 107; the battery 19 is arranged at the bottom of the shell 101, the motor 17 is electrically connected with the battery 19, the PCB 18 is arranged at the side part of the battery 19, and the PCB 18 is electrically connected with the motor 17.
Referring to fig. 1 to 14, the specific working principle of the tooth-rinsing device provided by the invention is as follows:
the motor drives the eccentric wheel 16 to rotate at a high speed, the high-speed rotation of the eccentric wheel 16 drives the connecting rod 14 and the piston 13 to move downwards and rapidly, the piston 13 moves downwards and rapidly to enable the valve pump body 113 to generate suction force, the water outlet valve plate 10 moves downwards under the suction force of the pump, the water outlet 107 is in a closed state, and due to the suction force of the pump body 113, the water inlet valve plate 5 moves rightwards at the moment, the water inlet 106 is opened, and water flow in the water tank is sucked into the pump body 113 at a high speed through the water inlet groove 1111 and the water inlet guide surface 1112 at the moment; when the eccentric wheel 16 rotates at a high speed to drive the connecting rod 14 and the piston 13 to move upwards rapidly; the pump body 113 generates upward rapid pushing force, the water inlet 106 is closed under the action of pushing force of the water inlet valve plate 5, the water outlet 107 is opened due to the operation of the water outlet valve plate 10 under the action of upward pushing force, and at the moment, water flow in the pump body 113 is sprayed out at high speed along a gap between the water outlet valve seat 112 and the water outlet pipe joint 8; the high-speed rotation of the motor drives the eccentric wheel 16 to rotate continuously, so that the piston 13 reciprocates downwards and upwards continuously, and the pump body 113 generates pulse water flow which is sprayed out of the spray pipe at high speed continuously.
Variations and modifications to the above would be obvious to persons of ordinary skill in the art, in light of the foregoing description and the teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (10)
1. The utility model provides a tooth cleaning device, its includes the casing and locates the subassembly that intakes in the casing, go out water subassembly and pump body subassembly, the pump body subassembly includes valve pump body, piston and drive arrangement, the valve pump body is including intake valve seat, play water valve seat and the pump body, it is equipped with the delivery port to go out the water valve seat, delivery port and pump body intercommunication, the piston is installed in the pump body, the delivery port outside is equipped with out the water valve sheet, drive arrangement drive piston is in the pump body internal reciprocating motion to control the switching of delivery port, its characterized in that:
the water outlet assembly comprises a water outlet pipe and a water outlet pipe joint, the outer end of the water outlet pipe joint is connected with the water outlet pipe, and the inner end of the water outlet pipe joint is connected with the water outlet valve seat; the water outlet valve seat is provided with a water outlet valve cavity, the water outlet is arranged in the middle of the bottom surface of the water outlet valve cavity, the bottom surface of the water outlet valve cavity is provided with a water outlet valve plate supporting rib around the water outlet, and the periphery of the water outlet valve plate supporting rib is provided with a plurality of water outlet valve plate guide ribs; when the piston reciprocates, the water outlet valve plate reciprocates between the water outlet pipe joint and the water outlet valve plate guide rib.
2. The tooth punch as claimed in claim 1, wherein: the water outlet valve plate supporting ribs are of annular structures, and the water outlet valve plate supporting ribs are rounded.
3. The tooth punch as claimed in claim 1, wherein: and the end part of the water outlet valve plate guide rib is rounded.
4. A dental rinse as in claim 3, wherein: the water outlet valve plate guide ribs are uniformly distributed at the bottom of the water outlet valve cavity.
5. The tooth punch as claimed in claim 1, wherein: the water outlet is communicated with the pump body through a water outlet channel, a first diversion surface is arranged at the joint of the water outlet channel and the pump body, the first diversion surface is of an inclined surface structure, and the section of the first diversion surface is changed from the pump body to be small along the direction of the water outlet.
6. The tooth punch as claimed in claim 5, wherein: the second guide surface is arranged at the joint of the first guide surface and the pump body, the second guide surface is of an inclined surface structure, and the section of the second guide surface is changed from large to small along the direction of the first guide surface from the pump body.
7. The tooth punch as claimed in claim 1, wherein: the water outlet assembly is provided with a water outlet hole, the water outlet hole is formed in the inner end face of the water outlet pipe connector, a water outlet valve sealing ring mounting groove is formed in the outer side of the water outlet pipe connector, a water outlet valve sealing ring is mounted in the water outlet valve sealing ring mounting groove, and the water outlet pipe connector is in sealing connection with the water outlet valve seat through the water outlet valve sealing ring.
8. The tooth punch as claimed in claim 7, wherein: the outer periphery of the water outlet pipe joint is provided with a first flange, a first connecting hole is formed in the first flange, the water outlet valve seat is provided with a second connecting hole corresponding to the first connecting hole, and a screw penetrates through the first connecting hole and the second connecting hole to be in threaded connection so as to fixedly connect the water outlet pipe joint with the water outlet valve seat.
9. The tooth punch as claimed in claim 1, wherein: the driving device comprises a motor, a connecting rod and an eccentric wheel, one end of the connecting rod is connected with the piston, the other end of the connecting rod is connected with the eccentric wheel through a connecting rod shaft, and the eccentric wheel is connected with the motor.
10. The tooth punch as claimed in claim 1, wherein: the water outlet valve plate is made of foaming materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610172.3A CN110269707B (en) | 2019-07-08 | 2019-07-08 | Tooth washing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610172.3A CN110269707B (en) | 2019-07-08 | 2019-07-08 | Tooth washing device |
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| CN110269707A CN110269707A (en) | 2019-09-24 |
| CN110269707B true CN110269707B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910610172.3A Active CN110269707B (en) | 2019-07-08 | 2019-07-08 | Tooth washing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114452025A (en) * | 2021-08-31 | 2022-05-10 | 上海飞科电器股份有限公司 | Tooth flusher |
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| CN110269707A (en) | 2019-09-24 |
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