CN111894851A - Low water absorption water pump - Google Patents
Low water absorption water pump Download PDFInfo
- Publication number
- CN111894851A CN111894851A CN202010791348.2A CN202010791348A CN111894851A CN 111894851 A CN111894851 A CN 111894851A CN 202010791348 A CN202010791348 A CN 202010791348A CN 111894851 A CN111894851 A CN 111894851A
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- cavity
- water
- fixedly connected
- self
- pressurizing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 222
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 230000009471 action Effects 0.000 claims abstract description 17
- 230000001965 increasing effect Effects 0.000 claims description 19
- 230000005484 gravity Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 30
- 238000005086 pumping Methods 0.000 abstract description 21
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000284 extract Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005188 flotation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/126—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Abstract
The invention belongs to the technical field of pumping equipment, and particularly relates to a low-water-absorption water pump which comprises a base, a pump body and a motor, wherein the pump body is provided with a water inlet and a water outlet; the pump body is fixedly connected to the upper surface of the base; the pump body is designed into a cylinder; a pressurizing cavity and a self-sucking cavity are formed in the pump body; a supporting plate is fixedly connected to one side of the pump body, which is far away from the base; the base is fixedly connected with a support column; the supporting columns are fixedly connected with the supporting plates; the motor is fixedly connected to one side, far away from the pump body, of the supporting plate through a flange plate; a rotating shaft is rotatably connected in the pressurizing cavity; according to the invention, through arranging the first rotating wheel, the second rotating wheel and the piston column, air in the water pumping pipe is continuously and upwardly pumped by utilizing the sealing effect between the first rotating wheel and the self-suction cavity and between the second rotating wheel and the self-suction cavity, so that water flow is upwards lifted under the action of pressure and finally enters the self-suction cavity through the water inlet groove, and meanwhile, the piston rod reciprocates to play a role in enhancing the suction effect of the first rotating wheel and the second rotating wheel in the self-suction cavity.
Description
Technical Field
The invention belongs to the technical field of pumping equipment, and particularly relates to a low-water-absorption water pump.
Background
Because there is certain difference in height between water pump inlet tube and the liquid level among the prior art when carrying out the low water level operation of drawing water, consequently, there is a large amount of air in the drinking-water pipe, when carrying out the operation of drawing water, thereby mostly dispose equipment that vacuum pump etc. possesses the vacuum of anhydrous evacuation in the current water pump and realize the self priming effect of water pump, but during the low water level operation, vacuum in the pump body is unstable, cause the rivers to be intermittent easily, and then make the water pump play water unstable, on the one hand it is lower to be interrupted to lead to drawing water efficiency, sea melt easily causes certain negative effects to the water pump body simultaneously, thereby lead to water pump life to reduce.
A low water absorption water pump that china patent issued, application number: 2012105339361, including pump casing, first water outlet, water inlet, motor and impeller, the first water outlet locates one side of pump casing, the impeller fix on axis of rotation of the motor, the bottom of the pump casing is fixed with the base, and the said base and pump casing form the pump chamber, the said motor and impeller are all placed in the pump chamber, there are air release valve devices with steel ball on the pump casing, the said water inlet locates below relative to impeller position on the base, there are fairings on the upper portion of impeller, the said fairings pass the axis of rotation and reach the sealed arrangement through a seal ring with the axis of rotation, and the said fairings form the cavity with the base, there are second water outlets allowing the liquid to be transported to pass in and out freely on the fairings; the invention can have stronger exhaust effect, and further can quickly extract vacuum degree and extract water flow to rise, but because the pump body in the invention does not have the setting of automatically adjusting flow, the water outlet flow speed of the water pump is easy to be unstable in low water level operation, and further the water pump is easy to cause failure.
In view of this, the invention develops a low water absorption water pump to solve the technical problems.
Disclosure of Invention
The invention provides a low water absorption water pump, which aims to make up the defects of the prior art and solve the problem that the pump body is damaged due to the unstable water pumping state of the water pump caused by the existence of more air in a water inlet pipe when the water pump works at a low water level in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a low water absorption water pump, which comprises a base, a pump body and a motor, wherein the pump body is arranged on the base; the pump body is fixedly connected to the upper surface of the base; the pump body is designed into a cylinder; a pressurizing cavity and a self-sucking cavity are formed in the pump body; a supporting plate is fixedly connected to one side of the pump body, which is far away from the base; the upper surface of the base is fixedly connected with a support column; the supporting columns are fixedly connected with the supporting plates; the motor is fixedly connected to one side, far away from the pump body, of the supporting plate through a flange plate; the output shaft of the motor penetrates through the support plate and extends into the pressurization cavity; a rotating shaft is rotatably connected in the pressurizing cavity; one end of the output shaft of the motor, which is positioned in the pressurizing cavity, is fixedly connected with the rotating shaft; the rotating shaft penetrates through the pressurizing cavity and extends into the self-suction cavity; the rotating shaft is positioned in the self-suction cavity and fixedly connected with a first rotating wheel; the self-suction cavity is also rotatably connected with a second rotating wheel through a guide rod; the first rotating wheel and the second rotating wheel are both in Y-shaped design; the first rotating wheel and the second rotating wheel are meshed with each other; the first rotating wheel and the second rotating wheel are in rotary sealing connection with the side wall of the self-suction cavity; the self-suction cavity pump body is positioned at one side of the self-suction cavity and is provided with a water inlet groove, and a conduction groove is arranged at one side; the outer side of the pump body is fixedly connected with a water inlet interface; the water inlet interface is communicated with the water inlet tank; the conduction groove conducts the self-suction cavity and the pressurization cavity; the rotating shaft is positioned in the pressurizing cavity and is internally sleeved with a pressurizing wheel; the pump body is positioned above the booster wheel and is fixedly connected with a water outlet interface; one side of the conduction groove, which is close to the self-suction cavity, is provided with a reciprocating groove; a piston column is connected in the reciprocating groove in a sliding manner; the piston column is hollow; the piston column is in a cross-shaped design; one side of the reciprocating groove, which is far away from the self-suction cavity, is elastically connected with the piston column through a spring; the piston column is hollow; a sealing plate is hinged to one side, away from the self-suction cavity, of the piston column; one side of the sealing plate, which is close to the piston column, is fixedly connected with a sealing ring;
in the prior art, when low-water level pumping operation is carried out, a certain height difference exists between a water inlet pipe of a water pump and a liquid level, so that a large amount of air exists in a pumping pipe, when the pumping operation is carried out, most of existing water pumps are provided with vacuum pumps and the like, and the self-sucking effect of the water pump is realized, but when the low-water level operation is carried out, the vacuum degree in the pump body is unstable, water flow is easy to break, and further the water outlet of the water pump is unstable, when the low-water level water pump works, the pumping pipe is communicated with the low-water level, a motor is started at the moment, the motor rotates to drive a rotating shaft to rotate, so that the rotating shaft drives a first rotating wheel and a second rotating wheel in a self-sucking cavity to rotate, the first rotating wheel and the second rotating wheel are meshed with each other and are in sliding seal with the self-sucking cavity, and gaps between the first rotating wheel and the second, and along with the rotation of the first rotating wheel and the second rotating wheel, the piston column extending into the self-suction cavity under the action of the spring pressure in an initial state is pressed along with the rotation of the first rotating wheel and the second rotating wheel, so that the piston column slides to one side far away from the self-suction cavity, when the piston column slides, the sealing plate is pressed and connected with the piston column in a sealing way, and after the extrusion force on the piston column disappears in the rotation process of the first rotating wheel and the second rotating wheel, the sealing cover is pressed and opened in the reset process of the piston column under the action of the spring, so that the air in the self-suction cavity enters the conduction groove and is extruded into the pressurization cavity in the reciprocating motion of the piston column, and through the arrangement of the first rotating wheel, the second rotating wheel and the piston column, the air in the pumping pipe is continuously pumped upwards by utilizing the sealing effect between the bulges of the first rotating wheel and the second rotating wheel and the self-suction cavity and the storage effect of the depressions of the first rotating, and then make rivers rise upwards under the effect of pressure, finally get into through the intake chamber and inhale the chamber certainly, the reciprocating motion is done to the piston rod simultaneously and first rotation wheel and second rotation wheel in the chamber certainly suction effect plays the reinforcing effect, can avoid the air reflux effectively, leads to the vacuum not enough, and then leads to rivers can't overcome the upwards extraction of gravity effect.
Preferably, one side of the water inlet groove, which is close to the pressurizing cavity, is provided with a sliding groove; the sliding groove is in a cross-shaped design; the sliding groove is internally and slidably connected with a buoy; the floating cylinder penetrates through the sliding groove and extends into the water inlet groove; the buoy is provided with a first through hole; the first through hole is designed in an inverted L shape; the floating cylinder is made of light water-floating material; the side wall of one end of the floating drum, which is far away from the water inlet groove, is fixedly connected with a sealing ring; the buoy seals the sliding groove under the action of gravity in an initial state; when the water pumping device works, the sliding groove is sealed by the floating barrel in an initial state, water flow finally enters the water inlet groove along with continuous extraction of the water flow, the water flow flows into the pressurizing cavity and rapidly rotates under the action of the pressurizing wheel, so that the extraction strength of the water flow is increased, at the moment, the water flow speed in the self-absorption cavity cannot completely meet the extraction of the pressurizing wheel to the water flow, the floating barrel is subjected to buoyancy along with continuous rising of the water flow, the attraction force of the water flow in the pressurizing cavity during upward flowing is gradually moved upwards, the first through hole formed in the floating barrel enables the water inlet groove to be directly communicated with the pressurizing cavity, the transfer efficiency of the water flow to the pressurizing cavity is increased, the pressurizing cavity can rapidly convey the water flow outwards, the water flow is conveyed only through the self-absorption cavity when the water flow speed in the water pumping pipe is low by arranging the floating barrel and the first through hole, the water flow interruption is avoided, and, the self-suction cavity and the first through hole supply water to the pressurizing cavity at the same time, so that the flow efficiency of water flow is effectively accelerated, and the water delivery efficiency of the low-water-absorption water pump is enhanced.
Preferably, one side of the sliding groove, which is close to the water inlet groove, is fixedly connected with a squeezing bag; the cross section of the sealing ring is designed into a triangle; the sealing ring is made of elastic rubber material; an expansion cavity is formed in the sealing ring; the extrusion bag is communicated with the expansion cavity; the during operation, when rivers flow is less in the intake antrum, under the continuous suction effect in inhaling the chamber certainly, be in the negative pressure environment all the time in the intake antrum, the flotation pontoon extrudees the extrusion bag under the suction effect of negative pressure, and then makes the extrusion bag carry inside gas to the inflation chamber in, and then makes the sealing ring take place the inflation volume increase, and then makes between sealing ring and the sliding groove wall contact inseparabler more, strengthens the sealing performance between sliding groove and the pressure boost chamber effectively.
Preferably, the bottom of the pressurizing cavity is connected with a floating plate in a sliding manner; the floating plate is fixedly connected with one end of the floating barrel, which is far away from the water inlet tank; the floating plate is provided with uniform openings; the upper opening of the floating plate and the opening of the conduction groove in the pressurizing cavity are designed in a staggered manner; a rubber pad is fixedly connected below the floating plate; the during operation, when inlet tube normal water flow is less, the floating plate is in pressure boost chamber bottom, conduction slot and pressure boost chamber are in non-conducting state by the floating plate pressure this moment, rivers are extruded to the pressure boost intracavity by the piston rod in the conduction slot, and then make the floating plate upwards slide, and along with the back-out of piston rod, the floating plate slides again, it is isolated effectively between pressure boost chamber and the conduction slot, thereby avoid the cavity air in the pressure boost chamber to flow back to in the conduction slot, thereby make the vacuum decline in the self-suction chamber, and then lead to pumping water efficiency further reduction, simultaneously the floating plate links firmly with the flotation pontoon, when inlet channel normal water flow is great, the floating plate receives flotation pontoon buoyancy to influence, open the conduction slot completely, thereby avoid the floating plate to influence the speed that water flow direction pressure boost assembles in the strength.
Preferably, a sliding ring is fixedly connected below the pressurizing cavity corresponding to the pressurizing wheel; the upper surface of the sliding ring is in sliding connection with the pressure increasing wheel through a ball; a water suction pipe is fixedly connected below the pressurizing wheel; the fan blades are fixedly connected in the water suction pipe; the fan blades are spirally arranged; the upper surface of the pressurizing wheel is provided with a circulation groove; flow guide grooves which are uniformly distributed are formed in the pressurizing wheel; the diversion trenches are communicated with the circulation trenches; the during operation, along with the rotation of motor, the axis of rotation drives the booster wheel and rotates, the flabellum in the pipe that absorbs water below the pivoted booster wheel is the spiral upwards extraction with rivers, and then make rivers flow to the guiding gutter, and flow to the circulation inslot fast under the effect of centrifugal force, along with rivers flow to the circulation inslot by centrifugal force in the guiding gutter, produce the vacuum appeal in the guiding gutter, and then make the guiding gutter to absorb water and take out rivers in the pipe, and then make the pipe that absorbs water increase to rivers extraction power in the pressure boost chamber, rivers possess the trend of high-speed motion behind the centrifugal force, outwards spray through the outlet pipe this moment, possess higher impact effect promptly.
Preferably, the pressurizing cavity is fixedly connected with uniformly distributed guide plates below the pressurizing wheel; the guide plate is designed to be close to the inclined plane at one side of the floating plate; the guide plates are spirally arranged; during operation, along with the continuous rotation of pressure increasing disc rivers in the pressure increasing chamber are guided by the pressure increasing disc and are provided with certain flow direction, guide plate through setting up on the pressure increasing chamber lateral wall guides rivers, can make pressure increasing chamber rivers possess rotatory upward movement trend effectively, and then make the pipe that absorbs water absorb water the efficiency increase, the rivers pressure boost of being convenient for are sprayed.
The invention has the following beneficial effects:
1. according to the low water absorption water pump, the first rotating wheel, the second rotating wheel and the piston column are arranged, air in the water pumping pipe is continuously and upwards extracted by utilizing the sealing effect between the protrusions of the first rotating wheel and the second rotating wheel and the self-suction cavity and the storage effect of the depressions of the first rotating wheel and the second rotating wheel, so that water flow is upwards lifted under the action of pressure and finally enters the self-suction cavity through the water inlet groove, and the piston rod reciprocates to play a role in enhancing the suction effect of the first rotating wheel and the second rotating wheel in the self-suction cavity, so that air backflow can be effectively avoided, the lack of vacuum degree is caused, and the water flow cannot overcome the gravity effect and is upwards extracted.
2. According to the low water suction pump, the buoy and the first through hole are arranged, when the flow velocity of water flow in the water suction pipe is low, the water flow is only conveyed through the self-suction cavity, so that the water flow is prevented from being interrupted, when the flow velocity of the water flow is high, the self-suction cavity and the first through hole supply water to the pressurizing cavity at the same time, the flow efficiency of the water flow is effectively accelerated, and the water conveying efficiency of the low water suction pump is enhanced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view of the pump body;
in the figure: the device comprises a base 1, a pump body 2, a motor 11, a supporting plate 12, a supporting column 13, a rotating shaft 21, a first rotating wheel 22, a second rotating wheel 23, a water inlet interface 24, a piston column 25, a sealing plate 26, a pressurizing wheel 3, a sliding ring 31, a water suction pipe 32, a guide plate 33, a buoy 4, a sealing ring 41, a squeezing bag 42 and a floating plate 43.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the low water absorption water pump of the present invention comprises a base 1, a pump body 2 and a motor 11; the pump body 2 is fixedly connected to the upper surface of the base 1; the pump body 2 is designed in a cylindrical manner; a pressurizing cavity and a self-sucking cavity are formed in the pump body 2; a supporting plate 12 is fixedly connected to one side of the pump body 2, which is far away from the base 1; the upper surface of the base 1 is fixedly connected with a support column 13; the supporting column 13 is fixedly connected with the supporting plate 12; the motor 11 is fixedly connected to one side of the support plate 12 far away from the pump body 2 through a flange plate; the output shaft of the motor 11 penetrates through the support plate 12 and extends into the pressurization cavity; a rotating shaft 21 is rotatably connected in the pressurizing cavity; one end of the output shaft of the motor 11, which is positioned in the pressurizing cavity, is fixedly connected with the rotating shaft 21; the rotating shaft 21 penetrates through the pressurizing cavity and extends into the self-suction cavity; the rotating shaft 21 is positioned in the self-suction cavity and fixedly connected with a first rotating wheel 22; a second rotating wheel 23 is also rotatably connected in the self-suction cavity through a guide rod; the first rotating wheel 22 and the second rotating wheel 23 are both in a Y-shaped design; the first rotating wheel 22 and the second rotating wheel 23 are meshed with each other; the first rotating wheel 22 and the second rotating wheel 23 are in rotary sealing connection with the side wall of the self-suction cavity; the self-suction cavity pump body 2 is provided with a water inlet groove at one side of the self-suction cavity and a conduction groove at the other side; the outer side of the pump body 2 is fixedly connected with a water inlet connector 24; the water inlet connector 24 is communicated with the water inlet tank; the conduction groove conducts the self-suction cavity and the pressurization cavity; the rotating shaft 21 is positioned in the pressurizing cavity and is internally sleeved with a pressurizing wheel 3; the pump body 2 is fixedly connected with a water outlet port above the booster wheel 3; one side of the conduction groove, which is close to the self-suction cavity, is provided with a reciprocating groove; a piston column 25 is connected in the reciprocating groove in a sliding manner; the piston post 25 is hollow in design; the piston post 25 is of a cross-shaped design; one side of the reciprocating groove, which is far away from the self-suction cavity, is elastically connected with the piston column 25 through a spring; the piston post 25 is hollow in design; a sealing plate 26 is hinged to one side, away from the self-suction cavity, of the piston column 25; one side of the sealing plate 26 close to the piston column 25 is fixedly connected with a sealing ring;
in the prior art, when low-water-level water pumping operation is carried out, a certain height difference exists between a water inlet pipe of a water pump and a liquid level, so that a large amount of air exists in a water pumping pipe, when water pumping operation is carried out, most of existing water pumps are provided with vacuum pumps and the like, and the self-water-sucking effect of the water pump is realized, however, during low-water-level operation, the vacuum degree in a pump body 2 is unstable, water flow is easy to break, and further water outlet of the water pump is unstable, when the water pumping pipe is used for communicating with a low-water-level water surface, at the moment, a motor 11 is started, the motor 11 rotates to drive a rotating shaft 21 to rotate, and further the rotating shaft 21 drives a first rotating wheel 22 and a second rotating wheel 23 in a self-sucking cavity to rotate, when the first rotating wheel 22 and the second rotating wheel 23 rotate, the first rotating wheel 22 and the second rotating wheel 23 are mutually meshed and are in sliding seal with the self-sucking cavity Air is extracted and is input into the conduction groove along with rotation, the piston post 25 extending into the self-suction cavity under the action of spring pressure in an initial state is pressed along with the rotation of the first rotating wheel 22 and the second rotating wheel 23, so that the piston post 25 slides to one side far away from the self-suction cavity, when the piston post 25 slides, the sealing plate 26 is pressed and connected with the piston post 25 in a sealing way, and when the extrusion force to the piston post 25 disappears in the rotation process of the first rotating wheel 22 and the second rotating wheel 23, the sealing cover is pressed and opened in the process that the piston post 25 is reset under the action of the spring, so that the air in the self-suction cavity enters the conduction groove and is extruded into the pressurization cavity in the reciprocating motion of the piston post 25, through the arrangement of the first rotating wheel 22, the second rotating wheel 23 and the piston post 25, the sealing effect between the protrusions of the first rotating wheel 22 and the second rotating wheel 23 and the self-suction cavity and the accommodating effect of the depressions of the first rotating wheel 22 and the second rotating wheel 23 are utilized, air in the drinking-water pipe is continuously upwards extracted, so that water flow upwards rises under the action of pressure, finally enters the self-suction cavity through the water inlet groove, and meanwhile, the piston rod reciprocates to play a role in enhancing the suction effect of the first rotating wheel 22 and the second rotating wheel 23 in the self-suction cavity, so that air backflow can be effectively avoided, the vacuum degree is insufficient, and the water flow can not overcome the gravity effect and upwards extracted.
As an implementation mode of the invention, one side of the water inlet groove, which is close to the pressurizing cavity, is provided with a sliding groove; the sliding groove is in a cross-shaped design; the sliding groove is internally and slidably connected with a buoy 4; the buoy 4 penetrates through the sliding groove and extends into the water inlet groove; the buoy 4 is provided with a first through hole; the first through hole is designed in an inverted L shape; the buoy 4 is made of light water-floating material; the side wall of one end of the buoy 4, which is far away from the water inlet groove, is fixedly connected with a sealing ring 41; the buoy 4 seals the sliding groove under the action of gravity in an initial state; when the water pumping device works, the sliding groove is sealed by the floating barrel 4 in an initial state, water flow finally enters the water inlet groove along with continuous extraction of the water flow, the water flow flows into the pressurizing cavity and rapidly rotates under the action of the pressurizing wheel 3, so that the extraction force of the water flow is increased, at the moment, the water flow speed in the self-suction cavity cannot completely meet the extraction of the pressurizing wheel 3 on the water flow, the floating barrel 4 is subjected to buoyancy along with the continuous rising of the water flow, the attraction force of the water flow in the pressurizing cavity during upward flowing is gradually moved upwards, the first through hole arranged in the floating barrel 4 is used for directly communicating the water inlet groove with the pressurizing cavity, the transfer efficiency of the water flow to the pressurizing cavity is increased, the pressurizing cavity can rapidly convey the water flow outwards, and the water flow is only conveyed through the self-suction cavity when the flow speed of the water flow in the water pumping pipe is slow by arranging the floating barrel 4 and the first, when the water flow is large, the self-suction cavity and the first through hole supply water to the pressurizing cavity at the same time, so that the flow efficiency of the water flow is effectively accelerated, and the water delivery efficiency of the low-water-suction water pump is enhanced.
As an embodiment of the invention, a squeezing bag 42 is fixedly connected to one side of the sliding groove, which is close to the water inlet groove; the cross section of the sealing ring 41 is designed into a triangle; the sealing ring 41 is made of elastic rubber material; an expansion cavity is formed in the sealing ring 41; the extrusion bag 42 is communicated with the expansion cavity; during operation, when the water flow in the water inlet tank is small, under the continuous suction effect of the self-suction cavity, the water inlet tank is always in a negative pressure environment, the floating barrel 4 extrudes the extrusion bag 42 under the suction effect of negative pressure, so that the extrusion bag 42 conveys the internal gas to the expansion cavity, the expansion volume of the sealing ring 41 is increased, the sealing ring 41 is more tightly contacted with the wall of the sliding groove, and the sealing performance between the sliding groove and the pressurizing cavity is effectively enhanced.
As an embodiment of the present invention, a floating plate 43 is slidably connected to the bottom of the pressurizing cavity; the floating plate 43 is fixedly connected with one end of the buoy 4 far away from the water inlet tank; the floating plate 43 is provided with uniform openings; the upper opening of the floating plate 43 and the opening of the conduction groove in the pressurizing cavity are in a staggered design; a rubber pad is fixedly connected below the floating plate 43; when the water flow in the water inlet pipe is small, the floating plate 43 is arranged at the bottom of the pressurization cavity, the conduction groove and the pressurization cavity are pressed by the floating plate 43 to be in a non-conduction state at the moment, water flow in the conduction groove is extruded into the pressurization cavity by the extrusion of the piston rod, so that the floating plate 43 slides upwards, and along with the retraction of the piston rod, the floating plate 43 slides downwards again, the pressurization cavity and the conduction groove are effectively isolated, and therefore the backflow of air in the pressurization cavity into the conduction groove is avoided, the vacuum degree in the self-suction cavity is reduced, the water pumping efficiency is further reduced, meanwhile, the floating plate 43 is fixedly connected with the buoy 4, when the water flow in the water inlet groove is large, the floating plate 43 is influenced by the buoyancy of the buoy 4, the conduction groove is completely opened, and the floating plate 43 is prevented from influencing the.
As an embodiment of the invention, a sliding ring 31 is fixedly connected below the pressurizing cavity corresponding to the pressurizing wheel 3; the upper surface of the sliding ring 31 is in sliding connection with the pressure increasing wheel 3 through balls; a water suction pipe 32 is fixedly connected below the booster wheel 3; the inside of the water suction pipe 32 is fixedly connected with fan blades; the fan blades are spirally arranged; the upper surface of the pressurizing wheel 3 is provided with a circulation groove; flow guide grooves which are uniformly distributed are formed in the pressurizing wheel 3; the diversion trenches are communicated with the circulation trenches; during operation, along with the rotation of motor 11, axis of rotation 21 drives booster wheel 3 and rotates, the flabellum in the pipe 32 that absorbs water below the booster wheel 3 of pivoted is the spiral upwards extraction with rivers, and then make rivers flow to the guiding gutter, and flow to the circulation inslot fast under the effect of centrifugal force, along with rivers receive centrifugal force among the guiding gutter to flow among the circulation groove, produce the vacuum appeal in the guiding gutter, and then make the guiding gutter to absorb water pipe 32 in the rivers, and then make the pipe 32 that absorbs water increase to the water extraction power of pressure cavity, rivers possess the trend of high-speed motion behind the centrifugal force effect, outwards spray through the outlet pipe this moment, possess higher impact effect promptly.
As an embodiment of the invention, the pressurizing cavity is fixedly connected with uniformly distributed guide plates 33 below the pressurizing wheel 3; the guide plate 33 is designed to be close to the inclined surface of one side of the floating plate 43; the baffles 33 are arranged in a spiral shape; during operation, along with the continuous rotation of pressure increasing disc rivers in the pressure increasing chamber are guided by the pressure increasing disc and are provided with certain flow direction, guide plate 33 through setting up on the pressure increasing chamber lateral wall guides rivers, can make pressure increasing chamber rivers possess rotatory upward movement trend effectively, and then make the pipe 32 that absorbs water absorb water the efficiency increase, the rivers pressure boost of being convenient for sprays.
The specific working process is as follows:
when the self-priming water pump works, the water pumping pipe is communicated with a low water level water surface, the motor 11 is started at the moment, the motor 11 rotates to drive the rotating shaft 21 to rotate, so that the rotating shaft 21 drives the first rotating wheel 22 and the second rotating wheel 23 in the self-priming cavity to rotate, the first rotating wheel 22 and the second rotating wheel 23 are meshed with each other and are in sliding seal with the self-priming cavity when rotating, air in the water inlet groove and the water inlet pipe is extracted by effectively utilizing a gap between the first rotating wheel 22 and the self-priming cavity and is input into the conduction groove along with the rotation, the piston column 25 extending into the self-priming cavity under the action of spring pressure in an initial state is pressed along with the rotation of the first rotating wheel 22 and the second rotating wheel 23, so that the piston column 25 slides to one side away from the self-priming cavity, and when the piston column 25 slides, the sealing plate 26 is in sealing connection with the piston column 25 under the pressure, and when the extrusion force to the piston post 25 disappears in the rotation process of the first rotating wheel 22 and the second rotating wheel 23, the sealing cover is pressed and opened in the process that the piston post 25 is reset under the action of the spring, so that the air in the self-suction cavity enters the guiding groove and is extruded into the pressurizing cavity in the reciprocating motion of the piston post 25, the water flow in the pressurizing cavity is guided by the pressurizing disc to have a certain flow direction, the water flow is guided by the guide plate 33 arranged on the side wall of the pressurizing cavity, so that the water flow in the pressurizing cavity can effectively have the trend of rotating and moving upwards, the rotating shaft 21 drives the pressurizing wheel 3 to rotate along with the rotation of the motor 11, the fan blades in the water suction pipe 32 below the rotating pressurizing wheel 3 extract the water flow upwards in a spiral shape, and further the water flow flows into the guide groove and rapidly flows into the circulation groove under the action of centrifugal force, and the water flow in the circulation groove flows into the circulation groove along with the action, the vacuum attraction is generated in the diversion trench, so that the diversion trench extracts water flow into the water suction pipe 32, the water suction degree of the water flow in the pressurizing cavity is increased by the water suction pipe 32, the water flow has the trend of high-speed movement after the centrifugal force action, and the water flow is ejected outwards through the water outlet pipe at the moment.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A low water absorption water pump is characterized in that: comprises a base (1), a pump body (2) and a motor (11); the pump body (2) is fixedly connected to the upper surface of the base (1); the pump body (2) is designed in a cylinder shape; a pressurizing cavity and a self-sucking cavity are formed in the pump body (2); a support plate (12) is fixedly connected to one side of the pump body (2) far away from the base (1); the upper surface of the base (1) is fixedly connected with a support column (13); the supporting column (13) is fixedly connected with the supporting plate (12); the motor (11) is fixedly connected to one side, far away from the pump body (2), of the supporting plate (12) through a flange plate; the output shaft of the motor (11) penetrates through the support plate (12) and extends into the pressurization cavity; a rotating shaft (21) is rotationally connected in the pressurizing cavity; one end of the output shaft of the motor (11) positioned in the pressurizing cavity is fixedly connected with the rotating shaft (21); the rotating shaft (21) penetrates through the pressurizing cavity and extends into the self-suction cavity; the rotating shaft (21) is positioned in the self-suction cavity and is fixedly connected with a first rotating wheel (22); a second rotating wheel (23) is also rotatably connected in the self-suction cavity through a guide rod; the first rotating wheel (22) and the second rotating wheel (23) are both in a Y-shaped design; the first rotating wheel (22) and the second rotating wheel (23) are meshed with each other; the first rotating wheel (22) and the second rotating wheel (23) are in rotary sealing connection with the side wall of the self-suction cavity; the self-suction cavity pump body (2) is provided with a water inlet groove at one side of the self-suction cavity and a conduction groove at the other side; the outer side of the pump body (2) is fixedly connected with a water inlet interface (24); the water inlet interface (24) is communicated with the water inlet groove; the conduction groove conducts the self-suction cavity and the pressurization cavity; the rotating shaft (21) is positioned in the pressurizing cavity and is internally sleeved with a pressurizing wheel (3); the pump body (2) is positioned above the booster wheel (3) and is fixedly connected with a water outlet interface; one side of the conduction groove, which is close to the self-suction cavity, is provided with a reciprocating groove; a piston column (25) is connected in the reciprocating groove in a sliding manner; the piston column (25) is of hollow design; the piston post (25) is of a "ten" design; one side of the reciprocating groove, which is far away from the self-suction cavity, is elastically connected with a piston column (25) through a spring; the piston column (25) is of hollow design; a sealing plate (26) is hinged to one side, far away from the self-suction cavity, of the piston column (25); and one side of the sealing plate (26) close to the piston column (25) is fixedly connected with a sealing ring.
2. The low absorption water pump as set forth in claim 1, wherein: one side of the water inlet groove, which is close to the pressurizing cavity, is provided with a sliding groove; the sliding groove is in a cross-shaped design; the sliding groove is internally and slidably connected with a buoy (4); the floating cylinder (4) penetrates through the sliding groove and extends into the water inlet groove; the buoy (4) is provided with a first through hole; the first through hole is designed in an inverted L shape; the buoy (4) is made of light water-floating material; the side wall of one end of the buoy (4) far away from the water inlet groove is fixedly connected with a sealing ring (41); the buoy (4) seals the sliding groove under the action of gravity in an initial state.
3. The low absorption water pump as set forth in claim 2, wherein: one side of the sliding groove, which is close to the water inlet groove, is fixedly connected with a squeezing bag (42); the cross section of the sealing ring (41) is designed to be triangular; the sealing ring (41) is made of elastic rubber material; an expansion cavity is formed in the sealing ring (41); the squeezing bag (42) is communicated with the expansion cavity.
4. The low absorption water pump as set forth in claim 3, wherein: the bottom of the pressurizing cavity is connected with a floating plate (43) in a sliding way; the floating plate (43) is fixedly connected with one end of the floating barrel (4) far away from the water inlet groove; the floating plate (43) is uniformly provided with openings; the upper opening of the floating plate (43) and the opening of the conduction groove in the pressurizing cavity are in a staggered design; a rubber pad is fixedly connected below the floating plate (43).
5. The low absorption water pump as set forth in claim 1, wherein: a sliding ring (31) is fixedly connected below the pressurizing cavity corresponding to the pressurizing wheel (3); the upper surface of the sliding ring (31) is in sliding connection with the pressure increasing wheel (3) through a ball; a water suction pipe (32) is fixedly connected below the booster wheel (3); the inside of the water suction pipe (32) is fixedly connected with fan blades; the fan blades are spirally arranged; the upper surface of the pressurizing wheel (3) is provided with a circulation groove; flow guide grooves which are uniformly distributed are formed in the pressurizing wheel (3); the diversion trenches are communicated with the circulation trenches.
6. The low absorption water pump as set forth in claim 1, wherein: the pressurizing cavity is fixedly connected with uniformly distributed guide plates (33) below the pressurizing wheel (3); the guide plate (33) is designed to be close to the inclined plane at one side of the floating plate (43); the baffles (33) are arranged in a spiral.
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| CN202010791348.2A CN111894851B (en) | 2020-08-07 | 2020-08-07 | Low water absorption water pump |
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| CN202010791348.2A CN111894851B (en) | 2020-08-07 | 2020-08-07 | Low water absorption water pump |
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| CN111894851B CN111894851B (en) | 2022-03-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089072A (en) * | 2021-11-22 | 2022-02-25 | 贵州电网有限责任公司 | Transformer winding deformation simulation device |
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| CN111894851B (en) | 2022-03-11 |
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Denomination of invention: Low water suction pump Effective date of registration: 20221018 Granted publication date: 20220311 Pledgee: Wenling Branch of Bank of China Ltd. Pledgor: Lvmei Pump Co.,Ltd. Registration number: Y2022980018809 |