CN109674554B - Double-pump structure for tooth washer - Google Patents
Double-pump structure for tooth washer Download PDFInfo
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- CN109674554B CN109674554B CN201910081385.1A CN201910081385A CN109674554B CN 109674554 B CN109674554 B CN 109674554B CN 201910081385 A CN201910081385 A CN 201910081385A CN 109674554 B CN109674554 B CN 109674554B
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- water outlet
- water inlet
- water
- cylinder body
- piston
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 323
- 210000001503 joint Anatomy 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 43
- 230000008093 supporting effect Effects 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a double-pump structure for a tooth cleaner, which comprises a first cylinder body, a second cylinder body, two piston mechanisms, a piston driving crankshaft, a water outlet connector, a water outlet mechanism and a water inlet mechanism, wherein the first cylinder body is connected with the second cylinder body; the first cylinder body and the second cylinder body are fixedly arranged side by side; the piston heads of the two piston mechanisms are respectively arranged in the first cylinder body and the second cylinder body; the shaft sleeves of the two piston mechanisms are arranged on the piston driving crankshaft; the cylinder tops of the first cylinder body and the second cylinder body are respectively provided with a strip-shaped extension body; the left side and the right side of the strip-shaped extension body are respectively provided with a water outlet side column-shaped connector and a water inlet side column-shaped connector; the water outlet connector is arranged between the water outlet mechanism and the two water outlet side cylindrical connectors, the water inlet mechanism is communicated with the two water inlet side cylindrical connectors, and one-way valve films are arranged at the butt joint installation positions. The double-pump structure can realize waterway backflow when the water pump is blocked or suspended, does not influence the normal operation of the water pump motor, and has a larger flushing frequency adjusting range.
Description
Technical Field
The present invention relates to a dental washer assembly, and more particularly to a dual pump construction for a dental washer.
Background
The existing tooth cleaners change the pulse frequency of a pump by adjusting the rotating speed of a motor, and the pulse frequency is limited in change (the rotating speed range of the motor is limited); the pressure is directly changed through the change of the pulse frequency, and the pressure adjusting range is limited; the pressure and the pulse frequency are directly related and cannot be independently regulated, and the pressure regulation is realized by regulating the pulse frequency, namely, the frequency is increased, the pressure is increased, the frequency is decreased, and the pressure is decreased. However, since the motor rotation speed adjustment is limited, the pump pulse frequency adjustment is limited, and the pressure adjustment range is small. Therefore, it is necessary to design a double-pump structure for the tooth cleaner, which can realize the water path reflux when the tooth cleaner is blocked or suspended, does not influence the normal operation of the water pump motor, and has a larger flushing frequency adjusting range.
Disclosure of Invention
The invention aims to: the double-pump structure for the tooth washer can realize waterway backflow when the tooth washer is blocked or suspended, does not influence the normal operation of a water pump motor, and has a larger flushing frequency adjusting range.
The technical scheme is as follows: the invention creates the double pump structure for the tooth cleaner, which comprises a first cylinder body, a second cylinder body, two piston mechanisms, a piston driving crankshaft, a water outlet connector, a water outlet mechanism and a water inlet mechanism; the first cylinder body and the second cylinder body are fixedly arranged side by side; the piston mechanism consists of a piston rod, a shaft sleeve and a piston head; the shaft sleeve is fixedly arranged at one end part of the piston rod, and the piston head is hinged to the other end part of the piston rod; the piston heads of the two piston mechanisms are respectively arranged in the first cylinder body and the second cylinder body; the shaft sleeves of the two piston mechanisms are arranged on the piston driving crankshaft and are used for driving the two piston heads to draw and insert in the first cylinder body and the second cylinder body; the cylinder tops of the first cylinder body and the second cylinder body are respectively provided with a strip-shaped extension body; the left side and the right side of the strip-shaped extension body are respectively provided with a water outlet side column-shaped connector and a water inlet side column-shaped connector, and water inlet holes and water outlet holes are formed in the water outlet side column-shaped connector and the water inlet side column-shaped connector which correspond to the left side and the right side in a penetrating manner; a water communicating hole for communicating the water inlet and outlet holes to the interior of the cylinder body is arranged in the strip-shaped extension body; the water outlet connector is arranged between the water outlet mechanism and the two water outlet side cylindrical connectors, is used for communicating the water outlet mechanism with the two water outlet side cylindrical connectors, and is provided with a water outlet one-way valve film between the water outlet side cylindrical connectors and the water outlet connector; the water inlet mechanism is communicated with the two water inlet side column-shaped connectors, and a water inlet one-way valve film is arranged between the water inlet mechanism and the two water inlet side column-shaped connectors.
Further, the water outlet mechanism comprises a water outlet pipe and two water outlet side sleeves arranged on the water outlet pipe; side water outlet holes communicated with the water outlet pipes are formed in the bottoms of the two water outlet side sleeves; the water inlet mechanism comprises a water inlet pipe and two water inlet side sleeves arranged on the water inlet pipe; side water inlet holes communicated with the water inlet pipe are formed in the bottoms of the two water inlet side sleeves; the water outlet connector comprises two connecting sleeves which are arranged side by side; a butt-joint cylindrical connector is arranged at the outer side of the bottom of the connecting sleeve; a butt joint water hole penetrating through the butt joint cylindrical connector is formed in the bottom of the connecting sleeve; the two water outlet side sleeves are respectively sleeved on the two root butt joint cylindrical connectors to realize butt joint; the two connecting sleeves are sleeved on the two water outlet side cylindrical connectors to realize butt joint; the two water inlet side sleeves are respectively sleeved on the two water inlet side cylindrical connectors to realize butt joint.
Further, the water outlet pipe is also provided with an overflow cylindrical connector, and the overflow cylindrical connector is provided with a water return hole communicated with the water outlet pipe; a water return sleeve is also arranged on the water inlet pipe, and a diversion water hole communicated with the water inlet pipe is arranged at the bottom of the water return sleeve; the overflow cylindrical connector is inserted into the backwater sleeve to realize butt joint; a return water one-way valve and a supporting pressure spring are arranged in the return water sleeve; the return water one-way valve is blocked on the return water hole under the elastic supporting action of the supporting pressure spring; the water inlet pipe is communicated with a pressure regulating shunt pipe.
Further, limit lugs are distributed in the backwater sleeve at intervals around the water diversion holes; the supporting pressure spring is arranged in a region formed by surrounding each limiting lug; the return water one-way valve consists of a conical head and a guide rod; the guide rod is arranged at the center of the conical bottom surface of the conical head part; the supporting compression spring is sleeved on the guide rod; the orifice of the backwater hole is provided with a conical surface corresponding to the conical head.
Further, a water outlet buffer sleeve is arranged on the water outlet pipe; a limit mounting hole is arranged at the end part of the strip-shaped extension body; the outer walls of the two water outlet side sleeves are respectively provided with a water outlet side limiting mounting side lug; the outer walls of the two water inlet side sleeves are respectively provided with a water inlet side limiting installation side lug; middle limit mounting side lugs are arranged on the outer walls of the two connecting sleeves; the screw end of the limit mounting bolt sequentially penetrates through the water outlet side limit mounting side lug, the middle limit mounting side lug, the limit mounting hole and the water inlet side limit mounting side lug to realize limit fixed mounting; a water outlet side opposite-pulling support is arranged on the outer walls of the two water outlet side sleeves; a pair of pull support pipes are arranged on the outer walls of the two connecting sleeves; a water inlet side opposite-pulling support is arranged on the outer walls of the two water inlet side sleeves; the end part of the screw rod of the split bolt sequentially passes through the split support on the water outlet side, the split support tube and the split support on the water inlet side to realize split fixed installation; two limit mounting bolts and a split bolt are positioned at three vertex positions of the isosceles triangle.
Further, the water outlet one-way valve film and the water inlet one-way valve film are one-way valve films with the same structure, and each one-way valve film consists of a round film and a limit rectangular edge integrally arranged at the circumferential edge of the round film; the circular film is provided with C-shaped holes, so that a circular baffle for closing the water holes is formed in the middle of the circular film, and a connecting sheet for tilting and bending is formed between the limiting rectangular edge and the circular baffle; a valve membrane limiting groove which is matched with the outline shape of the one-way valve membrane is arranged on the bottom of the water outlet side sleeve, the bottom of the water inlet side sleeve and the end face of the water inlet side cylindrical connector; two bar-shaped supporting convex blocks are arranged in the valve membrane limiting groove; the check valve film is installed in the valve film limiting groove, and the bar-shaped supporting protruding block is supported on the inner side face of the check valve film.
Further, a backwater sealing ring groove is arranged on the outer circumferential wall of the overflow cylindrical connector, and a backwater sealing ring is arranged on the backwater sealing ring groove; a water outlet side sealing ring groove is formed in the outer circumferential wall of the water outlet side cylindrical connector, and a water outlet side sealing ring is arranged on the water outlet side sealing ring groove; a water inlet side sealing ring groove is formed in the outer circumferential wall of the water inlet side cylindrical connector, and a water inlet side sealing ring is arranged on the water inlet side sealing ring groove; the outer circumferential wall of the butt joint cylindrical connector is provided with a butt joint end sealing ring groove, and a butt joint end sealing ring is arranged on the butt joint end sealing ring groove.
Further, the piston driving crankshaft is composed of a driving gear and driving short shafts respectively arranged at two sides of the driving gear; the two driving short shafts are respectively positioned at eccentric positions of the two side surfaces of the driving gear; the two shaft sleeves are respectively sleeved on the two driving short shafts; a central shaft hole penetrating through the two driving short shafts and the driving gear is arranged at the center of the driving gear; a central rotating shaft is arranged in the central shaft hole.
Further, side wing plates are arranged on the left side edge and the right side edge of the first cylinder body and the second cylinder body; a side wing plate of the first cylinder body is provided with side-by-side butt joint sleeves; the side wing plate of the second cylinder body is provided with side-by-side butt-joint columns; screw through holes are axially penetrated and arranged on the side-by-side butt joint columns; screw mounting holes are formed in the bottoms of the side-by-side butt joint sleeves; the strip-shaped extension body of the second cylinder body is provided with an upper side support mounting hole; a support pipe is arranged below the upper support mounting hole; the strip-shaped extension body of the first cylinder body is provided with a lower side support mounting hole; when the first cylinder body and the second cylinder body are fixedly installed side by side, the side by side butt joint columns are inserted into the side by side butt joint sleeves at corresponding positions, then the end parts of the side by side mounting screws penetrate through the screw through holes and are rotatably installed on the screw mounting holes to be fixed, and the screw end parts of the side by side mounting bolts sequentially penetrate through the upper side support mounting holes, the support tubes and the lower side support mounting holes to be fixed.
Further, the piston head comprises a cylindrical piston body and a piston sealing ring; the piston sealing ring is arranged in the middle of the cylindrical piston body in a surrounding manner; the lower end of the cylindrical piston body is provided with a connecting rod mounting hole; a hinged mounting hole is formed in the hole wall of the connecting rod mounting hole; a spherical head is arranged at the end part of the piston rod; the spherical head extends into the connecting rod mounting hole and is hinged on the hinge mounting hole through the hinge shaft; forming a protection convex column at the center of the upper end surface of the cylindrical piston body; a horn-shaped thin-wall cone is arranged at the circumferential edge of the upper end surface of the cylindrical piston body.
Compared with the prior art, the invention has the beneficial effects that: by means of the arrangement of the water outlet check valve film and the water inlet check valve film, the hydraulic pressure of the double pumps can be kept from being influenced each other when the double pumps work, and the effectiveness of the double pumps in pressurization is ensured; utilize overflow cylindricality connector, return water sleeve, return water check valve and support pressure spring to constitute independent overflow return water reposition of redundant personnel structure, can realize the water route backward flow when meeting stifled or suspension, do not influence the normal operating of water pump motor, and have great bath frequency adjustment scope.
Drawings
FIG. 1 is a schematic view of an overall mounting structure of the present invention;
FIG. 2 is a schematic diagram of an explosive structure created by the present invention;
FIG. 3 is a schematic view of the first cylinder and the second cylinder according to the present invention;
FIG. 4 is a schematic view of the water outlet mechanism according to the present invention;
FIG. 5 is a schematic view of the water inlet mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the water outlet connector according to the present invention;
FIG. 7 is a schematic cross-sectional view of a piston head in accordance with the present invention;
FIG. 8 is a schematic view of the structure of the check valve film of the present invention.
Detailed Description
The following describes the inventive technical scheme in detail with reference to the accompanying drawings, but the inventive scope of protection is not limited to the embodiments.
Example 1:
As shown in fig. 1 to 8, the double pump structure for a dental washer disclosed by the present invention comprises: the device comprises a first cylinder body 1, a second cylinder body 2, two piston mechanisms, a piston driving crankshaft, a water outlet connector, a water outlet mechanism and a water inlet mechanism; the first cylinder body 1 and the second cylinder body 2 are fixedly installed side by side, and cylinder openings of the first cylinder body 1 and the second cylinder body 2 are positioned on the same side; the piston mechanism consists of a piston rod 13, a shaft sleeve 14 and a piston head; the shaft sleeve 14 is fixedly arranged on one end part of the piston rod 13, and the piston head is hinged on the other end part of the piston rod 13; the piston heads of the two piston mechanisms are respectively arranged in the first cylinder body 1 and the second cylinder body 2; the shaft sleeves 14 of the two piston mechanisms are arranged on the piston driving crankshaft and are used for driving the two piston heads to draw and insert in the first cylinder body 1 and the second cylinder body 2; a strip-shaped extension body 63 is arranged at the cylinder top of the first cylinder body 1 and the second cylinder body 2; the left and right sides of the strip-shaped extension body 63 are respectively provided with a water outlet side cylindrical connector 27 and a water inlet side cylindrical connector 65, and water inlet and outlet holes 64 are formed on the water outlet side cylindrical connector 27 and the water inlet side cylindrical connector 65 which are corresponding to the left and right sides in a penetrating manner; a water communicating hole for communicating the water inlet and outlet hole 64 to the inside of the cylinder body is arranged in the strip-shaped extension body 63; the water outlet connector is arranged between the water outlet mechanism and the two water outlet side cylindrical connectors 27, is used for communicating the water outlet mechanism and the two water outlet side cylindrical connectors 27, and is provided with a water outlet one-way valve membrane between the water outlet side cylindrical connectors 27 and the water outlet connector; the water inlet mechanism is installed in communication with the two water inlet side cylindrical connectors 65, and a water inlet one-way valve membrane is arranged between the water inlet mechanism and the two water inlet side cylindrical connectors 65.
Further, the water outlet mechanism comprises a water outlet pipe 6 and two water outlet side sleeves 7 arranged on the water outlet pipe 6; the bottoms of the two water outlet side sleeves 7 are respectively provided with a side water outlet hole 49 communicated with the water outlet pipe 6; the water inlet mechanism comprises a water inlet pipe 4 and two water inlet side sleeves 10 arranged on the water inlet pipe 4; the bottoms of the two water inlet side sleeves 10 are respectively provided with a side water inlet hole 31 communicated with the water inlet pipe 4; the water outlet connector comprises two connecting sleeves 24 which are arranged side by side; a butt-joint cylindrical connector 25 is arranged on the outer side of the bottom of the connecting sleeve 24; a butt joint water hole 51 penetrating through the butt joint cylindrical connector 25 is formed in the bottom of the connecting sleeve 24; the two water outlet side sleeves 7 are respectively sleeved on the two root butt joint cylindrical connectors 25 to realize butt joint; the two connecting sleeves 24 are sleeved on the two water outlet side cylindrical connectors 27 to realize butt joint; the two water inlet side sleeves 10 are respectively sleeved on the two water inlet side cylindrical connectors 65 to realize butt joint. The water outlet connector is utilized to additionally increase a one-way isolation structure of a one-way valve film on the water outlet side, so that the water outlet side is ensured not to be affected by water pressure.
Further, the water outlet pipe 6 is also provided with an overflow cylindrical connector 18, and the overflow cylindrical connector 18 is provided with a water return hole 43 communicated with the water outlet pipe 6; a backwater sleeve 5 is also arranged on the water inlet pipe 4, and a diversion water hole 29 communicated with the water inlet pipe 4 is arranged at the bottom of the backwater sleeve 5; the overflow cylindrical connector 18 is inserted into the backwater sleeve 5 to realize butt joint; a return water one-way valve and a supporting pressure spring 22 are arranged in the return water sleeve 5; the return water one-way valve is blocked on the return water hole 43 under the elastic supporting action of the supporting pressure spring 22; the water inlet pipe 4 is communicated with a pressure regulating shunt pipe 17. The overflow cylindrical connector 18, the water return sleeve 5, the water return one-way valve and the supporting pressure spring 22 form an independent overflow water return flow distribution structure, so that waterway backflow can be realized when the water pump is blocked or suspended, the normal operation of the water pump motor is not influenced, and the water pump motor has a larger flushing frequency adjusting range; the pressure regulating shunt pipe 17 can be connected with a pressure regulating structure to be connected with water for pressure regulating and shunt.
Further, limit lugs 30 are distributed in the backwater sleeve 5 at intervals around the water diversion holes 29; the supporting compression spring 22 is arranged in the area surrounded by each limit bump 30; the return water one-way valve consists of a conical head 20 and a guide rod 21; the guide rod 21 is arranged at the center of the conical bottom surface of the conical head 20; the supporting pressure spring 22 is sleeved on the guide rod 21; the orifice of the water return hole 43 is provided with a conical surface corresponding to the conical head 20. Sealing is realized by utilizing the cooperation of the conical head 20 and the conical surface, when a waterway is blocked or paused, the conical head 20 is reversely pushed to compress and support the pressure spring 22 due to the rising of the water pressure at the water outlet, so that water overflows from the water outlet side to the water inlet side and returns, and the water enters the water inlet pipe 4 again for recycling, and the working frequency of the water pump motor is unchanged at the moment and is always in a normal working state.
Further, one end part of the water outlet pipe 6 is sealed, and the other end part is communicated with a water outlet buffer sleeve 8; two water outlet mounting lugs 46 are arranged on the outer wall of the nozzle of the water outlet buffer sleeve 8; a water outlet threaded hole 47 for butt-joint installation is arranged on the water outlet installation convex block 46; one end part of the water inlet pipe 4 is sealed, and the outer wall of the other end part is provided with a sealing limit groove 9 for installing a pipe orifice sealing ring; two diversion mounting lugs 16 are arranged on the outer wall of the nozzle of the backwater sleeve 5, and diversion butt joint mounting holes are arranged on the diversion mounting lugs 16; two mounting side lugs 44 are arranged on the outer side of the overflow cylindrical connector 18, and side lug mounting holes are formed in the mounting side lugs 44; the end part of the screw rod of the split butt-joint bolt penetrates through the split butt-joint mounting hole and the side lug mounting hole and is fixedly mounted; a limit mounting hole 40 is arranged at the end part of the strip-shaped extension body 63; the outer walls of the two water outlet side sleeves 7 are respectively provided with a water outlet side limiting mounting side lug 48; a water inlet side limiting mounting side lug 34 is arranged on the outer wall of each water inlet side sleeve 10; intermediate limit mounting side lugs 52 are arranged on the outer walls of the two connecting sleeves 24; the end of the screw rod of the limit mounting bolt sequentially penetrates through the water outlet side limit mounting side lug 48, the middle limit mounting side lug 52, the limit mounting hole 40 and the water inlet side limit mounting side lug 34 to realize limit fixed mounting; a water outlet side opposite pulling support 50 is arranged on the outer walls of the two water outlet side sleeves 7; a pull-to-pull support tube 26 is commonly arranged on the outer walls of the two connecting sleeves 24; a water inlet side opposite pulling support 33 is commonly arranged on the outer walls of the two water inlet side sleeves 10; the end of the screw rod of the split bolt sequentially passes through the split support 50 at the water outlet side, the split support pipe 26 and the split support 33 at the water inlet side to realize split fixed installation; two limit mounting bolts and a split bolt are positioned at three vertex positions of the isosceles triangle. The three-point bolt is used for mounting, so that the stability and the structural strength during butt joint mounting can be effectively enhanced, and the structural stability under the condition of large water pressure is ensured.
Further, the water outlet check valve film and the water inlet check valve film are check valve films with the same structure, and each check valve film consists of a circular film 53 and a limit rectangular edge 54 integrally arranged on the circumferential edge of the circular film 53; a C-shaped hole is formed on the circular film 53, so that a circular baffle 55 for closing the water hole is formed in the middle of the circular film 53, and a connecting sheet 56 for tilting and bending is formed between the limit rectangular edge 54 and the circular baffle 55; a valve membrane limiting groove 36 which is matched with the outline shape of the one-way valve membrane is arranged on the bottom of the water outlet side sleeve 7, the bottom of the connecting sleeve 24 and the end face of the water inlet side cylindrical connector 65; two bar-shaped supporting convex blocks 37 are arranged in the valve membrane limiting groove 36; the check valve film is installed in the valve film limiting groove 36, and the bar-shaped supporting protrusions 37 are supported on the inner side surface of the check valve film. The check valve film has a small structure, is convenient to install, and can effectively control the overall structure of the double pumps; the check valve film can be supported by the strip-shaped supporting projections 37, so that the check valve film is isolated from the water holes to which water flows, but the water outlet of the water holes is not affected.
Further, a backwater sealing ring groove 45 is arranged on the outer circumferential wall of the overflow cylindrical connector 18, and a backwater sealing ring is arranged on the backwater sealing ring groove 45; a water outlet side seal ring groove is arranged on the outer circumferential wall of the water outlet side cylindrical connector 27, and a water outlet side seal ring is arranged on the water outlet side seal ring groove; a water inlet side seal ring groove is arranged on the outer circumferential wall of the water inlet side cylindrical connector 65, and a water inlet side seal ring is arranged on the water inlet side seal ring groove; the outer circumferential wall of the butt joint cylindrical connector 25 is provided with a butt joint end sealing ring groove 15, and a butt joint end sealing ring is arranged on the butt joint end sealing ring groove 15. The sealing of each butt joint position is carried out by utilizing the backwater sealing ring, the water outlet side sealing ring, the water inlet side sealing ring and the butt joint end sealing ring, so that water leakage is effectively prevented.
Further, the piston driving crankshaft is composed of a driving gear 3 and driving stub shafts 23 respectively provided at both sides of the driving gear 3; the two driving short shafts 23 are respectively positioned at eccentric positions of two side surfaces of the driving gear 3, and connecting lines of the axial leads of the two driving short shafts 23 on the side surfaces of the driving gear 3 pass through the center of the driving gear 3, or the axial leads of the two driving short shafts 23 are overlapped; the two shaft sleeves 14 are respectively sleeved on the two driving short shafts 23; a central shaft hole 35 penetrating through the two driving short shafts 23 and the driving gear 3 is arranged at the center of the driving gear 3; a center rotation shaft 39 is mounted in the center shaft hole 35. The two piston heads can be driven respectively by the arrangement of the two driving short shafts 23, if the axial leads of the two driving short shafts 23 are overlapped, the synchronous crank piston driving is realized, and if the axial leads of the two driving short shafts 23 are symmetrically arranged as the circle center, the asynchronous crank piston driving is realized, and the selective installation can be realized according to the design requirement.
Further, side wing plates 11 are arranged on the left side edge and the right side edge of the first cylinder body 1 and the second cylinder body 2; the side wing plate 11 is provided with a reinforcing rib plate 41 for fixing on the cylinder body; a side wing plate 11 of the first cylinder body 1 is provided with a side-by-side butt joint sleeve 12; a side wing plate 11 of the second cylinder body 2 is provided with a side-by-side butt joint column 19; screw through holes 42 are axially formed in the side-by-side butt posts 19; screw mounting holes are formed in the bottoms of the side-by-side butt joint sleeves 12; an upper support mounting hole is provided in the bar-shaped extension 63 of the second cylinder 2; a support tube 38 is arranged below the upper support mounting hole; the strip-shaped extension body 63 of the first cylinder 1 is provided with a lower side support mounting hole 32; when the first cylinder block 1 and the second cylinder block 2 are fixedly mounted side by side, the side by side butt joint posts 19 are inserted into the side by side butt joint sleeves 12 at the corresponding positions, and then the ends of the side by side mounting screws pass through the screw through holes 42 and are screwed and mounted on the screw mounting holes to be fixed, and the screw ends of the side by side mounting screws pass through the upper side support mounting holes, the support pipes 38 and the lower side support mounting holes 32 in sequence to be fixed. The stability of the side-by-side installation of the first cylinder body 1 and the second cylinder body 2 can be enhanced by utilizing the cooperation of the side-by-side butting sleeve 12 and the side-by-side butting column 19; the stability of the installation of the upper and lower strip-shaped extension bodies 63 can be enhanced by the support tube 38.
Further, the piston head comprises a cylindrical piston body 57 and a piston seal 60; the piston packing 60 is disposed around the middle of the cylindrical piston body 57; a connecting rod installation hole 61 is provided at the lower end of the cylindrical piston body 57; a hinge mounting hole 62 is provided on the wall of the link mounting hole 61; a spherical head 28 is provided at the end of the piston rod 13; the spherical head 28 extends into the link mounting hole 61 and is hinge-mounted on the hinge mounting hole 62 by a hinge shaft; a protective boss 59 is formed at the center of the upper end surface of the cylindrical piston body 57; a horn-shaped thin-wall cone 58 is arranged at the circumferential edge of the upper end surface of the cylindrical piston body 57; the outer edge of the upper flare of the thin-walled cone 58 is against the inner wall of the cylinder. When the thin-wall cone 58 is used for stroke operation, the cylinder mouth is slightly expanded due to the impact of water pressure, so that a good sealing effect is realized, and the high-pressure water pressure impact can be born; the second stage of sealing can be achieved with the piston seal 60, ensuring that no water leakage occurs.
When the double-pump structure for the tooth cleaner is used, the water pressure of the double pumps can not be influenced by each other by utilizing the arrangement of the water outlet one-way valve film and the water inlet one-way valve film, so that the effectiveness of the double pumps in pressurization is ensured; the overflow cylindrical connector 18, the water return sleeve 5, the water return one-way valve and the supporting pressure spring 22 form an independent overflow water return flow distribution structure, so that waterway backflow can be realized when the water pump is blocked or suspended, the normal operation of the water pump motor is not influenced, and the water pump motor has a larger flushing frequency adjusting range; two sets of independent water supply are realized by utilizing the first cylinder body, the second cylinder body and the two piston mechanisms, if the axial leads of the two driving short shafts 23 are coincident, the double pumps are of synchronous crank piston structures, the supercharging effect is realized, and because of the independent overflow and diversion structure, a wider pressure regulating range can be realized, and the frequency regulation and the pressure regulation are relatively independently regulated, so that the combined output of various frequencies and pressure modes can be realized; if the connecting line of the axial lead of the two driving short shafts 23 on the side surface of the driving gear 3 passes through the center of the driving gear 3, the double pump is of an asynchronous crank piston structure, the frequency doubling and boosting effects are realized, the frequency adjustment is 2 times that of the single pump, and the single overflow and flow distribution structure can realize wider frequency modulation range, and the frequency modulation and the pressure adjustment are relatively independently adjusted, so that the combined output of more frequency and pressure modes can be realized.
As described above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A dual pump structure for a dental washer, characterized by: the device comprises a first cylinder body (1), a second cylinder body (2), two piston mechanisms, a piston driving crankshaft, a water outlet connector, a water outlet mechanism and a water inlet mechanism; the first cylinder body (1) and the second cylinder body (2) are fixedly arranged side by side; the piston mechanism consists of a piston rod (13), a shaft sleeve (14) and a piston head; the shaft sleeve (14) is fixedly arranged at one end part of the piston rod (13), and the piston head is hinged to the other end part of the piston rod (13); the piston heads of the two piston mechanisms are respectively arranged in the first cylinder body (1) and the second cylinder body (2); the shaft sleeves (14) of the two piston mechanisms are arranged on the piston driving crankshaft and are used for driving the two piston heads to be in drawing and inserting movement in the first cylinder body (1) and the second cylinder body (2); the cylinder tops of the first cylinder body (1) and the second cylinder body (2) are respectively provided with a strip-shaped extension body (63); the left side and the right side of the strip-shaped extension body (63) are respectively provided with a water outlet side cylindrical connector (27) and a water inlet side cylindrical connector (65), and water inlet holes (64) are formed in the water outlet side cylindrical connector (27) and the water inlet side cylindrical connector (65) which are corresponding to the left side and the right side in a penetrating manner; a water communicating hole (64) for communicating the water inlet and outlet hole to the inside of the cylinder body is arranged in the strip-shaped extension body (63); the water outlet connector is arranged between the water outlet mechanism and the two water outlet side cylindrical connectors (27) and is used for communicating the water outlet mechanism with the two water outlet side cylindrical connectors (27), and a water outlet one-way valve film is arranged between the water outlet side cylindrical connectors (27) and the water outlet connector; the water inlet mechanism is communicated with the two water inlet side cylindrical connectors (65), and a water inlet one-way valve film is arranged between the water inlet mechanism and the two water inlet side cylindrical connectors (65);
The water outlet mechanism comprises a water outlet pipe (6) and two water outlet side sleeves (7) arranged on the water outlet pipe (6); side water outlet holes (49) communicated with the water outlet pipes (6) are formed in the bottoms of the two water outlet side sleeves (7); the water inlet mechanism comprises a water inlet pipe (4) and two water inlet side sleeves (10) arranged on the water inlet pipe (4); the bottoms of the two water inlet side sleeves (10) are respectively provided with a side water inlet hole (31) communicated with the water inlet pipe (4); the water outlet connector comprises two connecting sleeves (24) which are arranged side by side; a butt-joint cylindrical connector (25) is arranged at the outer side of the bottom of the connecting sleeve (24); a butt joint water hole (51) penetrating through the butt joint cylindrical connector (25) is formed in the bottom of the connecting sleeve (24); the two water outlet side sleeves (7) are respectively sleeved on the two root butt joint cylindrical connectors (25) to realize butt joint; the two connecting sleeves (24) are sleeved on the two water outlet side cylindrical connectors (27) to realize butt joint; the two water inlet side sleeves (10) are respectively sleeved on the two water inlet side cylindrical connectors (65) to realize butt joint;
side wing plates (11) are arranged on the left side and the right side of the first cylinder body (1) and the second cylinder body (2); a side wing plate (11) of the first cylinder body (1) is provided with a side-by-side butt joint sleeve (12); a side wing plate (11) of the second cylinder body (2) is provided with a side-by-side butt joint column (19); screw through holes (42) are axially penetrated and arranged on the side-by-side butt joint columns (19); screw mounting holes are formed in the bottoms of the side-by-side butt joint sleeves (12); an upper side support mounting hole is formed in the strip-shaped extension body (63) of the second cylinder body (2); a support pipe (38) is arranged below the upper support mounting hole; a lower side support mounting hole (32) is arranged on the strip-shaped extension body (63) of the first cylinder body (1); when the first cylinder body (1) and the second cylinder body (2) are fixedly installed side by side, the side by side butt joint columns (19) are inserted into the side by side butt joint sleeves (12) at corresponding positions, then the ends of the side by side mounting screws penetrate through the screw through holes (42) and are screwed on the screw mounting holes to be fixed, and the screw ends of the side by side mounting screws sequentially penetrate through the upper side support mounting holes, the support tubes (38) and the lower side support mounting holes (32) to be fixed.
2. The dual pump structure for a dental washer of claim 1, wherein: an overflow cylindrical connector (18) is further arranged on the water outlet pipe (6), and a water return hole (43) communicated with the water outlet pipe (6) is formed in the overflow cylindrical connector (18); a backwater sleeve (5) is also arranged on the water inlet pipe (4), and a diversion water hole (29) communicated with the water inlet pipe (4) is arranged at the bottom of the backwater sleeve (5); the overflow cylindrical connector (18) is inserted into the backwater sleeve (5) to realize butt joint; a backwater one-way valve and a supporting pressure spring (22) are arranged in the backwater sleeve (5); the return water one-way valve is blocked on the return water hole (43) under the elastic supporting action of the supporting pressure spring (22); the water inlet pipe (4) is communicated with a pressure regulating shunt pipe (17).
3. The dual pump structure for a dental washer according to claim 2, wherein: limiting lugs (30) are distributed in the backwater sleeve (5) at intervals around the water diversion holes (29); the supporting pressure spring (22) is arranged in a region formed by surrounding each limit lug (30); the return water one-way valve consists of a conical head (20) and a guide rod (21); the guide rod (21) is arranged at the center of the conical bottom surface of the conical head part (20); the supporting pressure spring (22) is sleeved on the guide rod (21); the orifice of the backwater hole (43) is provided with a conical surface corresponding to the conical head (20).
4. The dual pump structure for a dental washer according to claim 2, wherein: a water outlet buffer sleeve (8) is arranged on the water outlet pipe (6); a limit mounting hole (40) is arranged at the end part of the strip-shaped extension body (63); the outer walls of the two water outlet side sleeves (7) are respectively provided with a water outlet side limiting mounting side lug (48); the outer walls of the two water inlet side sleeves (10) are respectively provided with a water inlet side limiting mounting side lug (34); middle limit mounting side lugs (52) are arranged on the outer walls of the two connecting sleeves (24); the screw end of the limit mounting bolt sequentially penetrates through the water outlet side limit mounting side lug (48), the middle limit mounting side lug (52), the limit mounting hole (40) and the water inlet side limit mounting side lug (34) to realize limit fixed mounting; a water outlet side opposite pulling support (50) is arranged on the outer walls of the two water outlet side sleeves (7) together; a pair of pull support pipes (26) are arranged on the outer walls of the two connecting sleeves (24) together; a water inlet side opposite pulling support (33) is arranged on the outer walls of the two water inlet side sleeves (10) together; the end of the screw rod of the split bolt sequentially passes through the split support (50) at the water outlet side, the split support tube (26) and the split support (33) at the water inlet side to realize split fixed installation; two limit mounting bolts and a split bolt are positioned at three vertex positions of the isosceles triangle.
5. The dual pump structure for a dental washer of claim 1, wherein: the water outlet check valve film and the water inlet check valve film are check valve films with the same structure, and are both composed of a circular film (53) and a limit rectangular edge (54) integrally arranged at the circumferential edge of the circular film (53); a C-shaped hole is formed in the circular film (53), so that a circular baffle (55) for closing the water hole is formed in the middle of the circular film (53), and a connecting sheet (56) for tilting and bending is formed between the limiting rectangular edge (54) and the circular baffle (55); a valve membrane limit groove (36) which is matched with the outline shape of the one-way valve membrane is arranged on the bottom of the water outlet side sleeve (7), the bottom of the water inlet side sleeve (24) and the end surface of the water inlet side cylindrical connector (65); two strip-shaped supporting convex blocks (37) are arranged in the valve membrane limiting groove (36); the check valve film is installed in the valve film limiting groove (36), and the strip-shaped supporting protruding block (37) is supported on the inner side face of the check valve film.
6. The dual pump structure for a dental washer of claim 1, wherein: a backwater sealing ring groove (45) is arranged on the outer circumferential wall of the overflow cylindrical connector (18), and a backwater sealing ring is arranged on the backwater sealing ring groove (45); a water outlet side sealing ring groove is arranged on the outer circumferential wall of the water outlet side cylindrical connector (27), and a water outlet side sealing ring is arranged on the water outlet side sealing ring groove; a water inlet side sealing ring groove is arranged on the outer circumferential wall of the water inlet side cylindrical connector (65), and a water inlet side sealing ring is arranged on the water inlet side sealing ring groove; the outer circumferential wall of the butt joint cylindrical connector (25) is provided with a butt joint end sealing ring groove (15), and a butt joint end sealing ring is arranged on the butt joint end sealing ring groove (15).
7. The dual pump structure for a dental washer of claim 1, wherein: the piston driving crankshaft consists of a driving gear (3) and driving short shafts (23) respectively arranged at two sides of the driving gear (3); the two driving short shafts (23) are respectively positioned at eccentric positions of two side surfaces of the driving gear (3); the two shaft sleeves (14) are respectively sleeved on the two driving short shafts (23); a central shaft hole (35) penetrating through the two driving short shafts (23) and the driving gear (3) is arranged at the center of the driving gear (3); a center rotating shaft (39) is mounted in the center shaft hole (35).
8. The dual pump structure for a dental washer of claim 1, wherein: the piston head comprises a cylindrical piston body (57) and a piston seal ring (60); the piston sealing ring (60) is arranged at the middle part of the cylindrical piston body (57) in a surrounding manner; a connecting rod mounting hole (61) is arranged at the lower end of the cylindrical piston body (57); a hinged mounting hole (62) is arranged on the hole wall of the connecting rod mounting hole (61); a spherical head (28) is arranged at the end part of the piston rod (13); the spherical head (28) stretches into the connecting rod mounting hole (61) and is hinged on the hinge mounting hole (62) through the hinge shaft; forming a protective boss (59) at the center of the upper end surface of the cylindrical piston body (57); a horn-shaped thin-wall cone (58) is arranged at the circumferential edge of the upper end surface of the cylindrical piston body (57).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910081385.1A CN109674554B (en) | 2019-01-28 | 2019-01-28 | Double-pump structure for tooth washer |
| PCT/CN2019/119339 WO2020155787A1 (en) | 2019-01-28 | 2019-11-19 | Double-pump structure of tooth cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910081385.1A CN109674554B (en) | 2019-01-28 | 2019-01-28 | Double-pump structure for tooth washer |
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| Publication Number | Publication Date |
|---|---|
| CN109674554A CN109674554A (en) | 2019-04-26 |
| CN109674554B true CN109674554B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910081385.1A Active CN109674554B (en) | 2019-01-28 | 2019-01-28 | Double-pump structure for tooth washer |
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| Country | Link |
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| CN (1) | CN109674554B (en) |
| WO (1) | WO2020155787A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109674554B (en) * | 2019-01-28 | 2024-06-18 | 南京万畅智能科技有限公司 | Double-pump structure for tooth washer |
| CN112196759A (en) * | 2020-04-15 | 2021-01-08 | 深圳市飞猫电器有限公司 | Pulse water pump and tooth washing device |
| CN113090492B (en) * | 2021-06-09 | 2022-02-11 | 贝德科技集团有限公司 | Energy-saving variable displacement pump |
| CN114087157A (en) * | 2021-12-23 | 2022-02-25 | 东莞瑞柯电子科技股份有限公司 | High-low air pressure dual-purpose air pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725496A (en) * | 2009-12-28 | 2010-06-09 | 镇江宝城注浆设备有限公司 | Synchronous injection pump with stepless proportioning |
| CN106224193A (en) * | 2016-08-31 | 2016-12-14 | 成都鸿荣通科技有限公司 | A kind of piston type high pressure water pump |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004031674B3 (en) * | 2004-06-30 | 2005-08-04 | Erbe Elektromedizin Gmbh | Medical pump for a water jet in liver surgery comprises a drive unit for opening and closing holders and/or coupling units |
| CN100467863C (en) * | 2006-12-15 | 2009-03-11 | 胡传术 | Plunger water pump |
| JP5695908B2 (en) * | 2007-12-10 | 2015-04-08 | バイエル メディカル ケア インコーポレーテッド | Continuous fluid transport system and fluid transport method |
| EA016408B1 (en) * | 2009-12-20 | 2012-04-30 | Владимир Федорович Полещук | Two-stroke engine |
| CN202568509U (en) * | 2012-05-03 | 2012-12-05 | 迈晖医疗设备(上海)有限公司 | Pulse transmission device for tooth cleaning machine |
| JP6107065B2 (en) * | 2012-11-12 | 2017-04-05 | セイコーエプソン株式会社 | Liquid supply apparatus, supply method, and medical device system |
| CN203809226U (en) * | 2014-05-20 | 2014-09-03 | 宁波盛恒光电有限公司 | Bi-material air-free pump |
| CN204663795U (en) * | 2015-05-14 | 2015-09-23 | 罗凤玲 | A kind of stable high voltage medical pump |
| CN109674554B (en) * | 2019-01-28 | 2024-06-18 | 南京万畅智能科技有限公司 | Double-pump structure for tooth washer |
-
2019
- 2019-01-28 CN CN201910081385.1A patent/CN109674554B/en active Active
- 2019-11-19 WO PCT/CN2019/119339 patent/WO2020155787A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725496A (en) * | 2009-12-28 | 2010-06-09 | 镇江宝城注浆设备有限公司 | Synchronous injection pump with stepless proportioning |
| CN106224193A (en) * | 2016-08-31 | 2016-12-14 | 成都鸿荣通科技有限公司 | A kind of piston type high pressure water pump |
Also Published As
| Publication number | Publication date |
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| CN109674554A (en) | 2019-04-26 |
| WO2020155787A1 (en) | 2020-08-06 |
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