CN208311059U - Vacuum aided self priming pump - Google Patents

Vacuum aided self priming pump Download PDF

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Publication number
CN208311059U
CN208311059U CN201820887594.6U CN201820887594U CN208311059U CN 208311059 U CN208311059 U CN 208311059U CN 201820887594 U CN201820887594 U CN 201820887594U CN 208311059 U CN208311059 U CN 208311059U
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China
Prior art keywords
pump
impeller
lever
ball
suction chamber
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CN201820887594.6U
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Chinese (zh)
Inventor
梅海清
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Anhui Amos Fluid Technology Co., Ltd.
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ANHUI AMOS PUMPS CO LTD
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Abstract

The utility model discloses a kind of vacuum aided self priming pumps; centrifugal pump, suction chamber, vacuum pump, the anhydrous dry rotation protection device of mechanical seal are installed including dry type; and it is mounted on the broached-tooth design in dry type installation centrifugal pump; the anhydrous starting that self priming pump is realized using the anhydrous dry rotation protection device of mechanical seal realizes self-cleaning function using the back blades for pumping intracorporal blade and impeller.The utility model structure is simple; it can directly initiate, be automatically performed repeatedly, lasting self-priming; additional human intervention is not needed; the anhydrous rotation protection of main shaft can be achieved; the pump housing is set to can be realized anhydrous startup function; the self-cleaning function having can realize the cleaning function to sucking particulate matter, and the complexity that can be competent at fibrousness solid refuse in the frequent starting and sewage treatment of rescue pumps medium.

Description

Vacuum aided self priming pump
Technical field
The utility model relates to centrifugal pump fields, specifically vacuum aided self priming pump.
Background technique
Centrifugal pump is that liquid is transported to the most common pump of another place from a place, for irrigating, domestic water System, sewage treatment and many other applications.Liquid is located at the intracorporal impeller propelled of pump and passes through the pump housing by exporting from priming reservoir Pipe discharge.Spiral case inlet opening and impeller are concentric.The rotation of impeller is got rid of liquid outward to impeller outer edge and is concentrated from pump housing outlet Discharge.When liquid drives outward, vacuum is generated at center, to suck more liquid into pump.
The major limitation that centrifugal pump uses first is that, when pump in be full of air when impeller air can only be driven to rotate, because of sky The centrifugal force that the very light in weight of gas unit volume generates is very small, and usually the air in pump chamber and inlet tube cannot be discharged, they do not have There is the ability that voluntarily sucking liquid is started, liquid can not just be pumped on pump when fluid level is lower than centre bore.When Liquid, which reaches central hole location, will generate necessary vacuum from the outside movement of centre bore with lasting extraction liquid.In universal machine Pump field, it is general it is non-diving installing type centrifugal pump in addition to itself carry self-suction function self priming pump and by positive pressure water inlet from The centrifugal pump of most of dry types installation is required to configure bottom valve in pump inlet pipe end outside heart pump, needs before first time starts pair Pump pour water and can start.Such as the use environments such as draining, the operation of pump be it is discontinuous, need to repeat constantly people To fill pump.Bottom valve has natural defect although pump machine is mounted with bottom valve, is mainly manifested in: 1. bottom valves are heavy and install Installation, monitoring, maintenance and repair are not easy under liquid;2. bottom valve be easy to cause burn into turn due to long period of soaking in a liquid Sealing effect is influenced, it is serious can not to work in secondary water suction;3. generated solid particle can be into production and process Enter in circulating liquid that aggregation and adherency of the solid particle in bottom valve can make bottom valve that can not be fully sealed, bottom valve can fail at once; 4. manufacturing into insufficient water since bottom valve is mounted on into the water entering surface that water pipe end, bottom valve itself will affect pump.
In view of said circumstances, need to design a kind of vacuum aided self priming pump, not needing bottom valve directly anhydrous can start, voluntarily Rapid vacuumizing realize self-priming and can repeatedly, lasting self-priming.
The purpose of the utility model is to provide a kind of vacuum aided self priming pumps for utility model content, to solve the prior art Can not persistently work, anhydrous cannot start existing for centrifugal pump, suck particulate matter can not self-cleaning problem.
In order to achieve the above object, the technology employed by the present utility model is
Vacuum aided self priming pump, it is characterised in that: including dry type installation centrifugal pump, suction chamber, vacuum pump, mechanical seal without The dry rotation protection device of water, the dry type installation centrifugal pump includes the pump housing, and pump housing axial direction side, that is, pump housing leading flank passes through suction casing It is communicated with water inlet pipe, is closed on rear side of the pump housing axial direction other side, that is, pump housing with shaft-cup and is connected with pump cover, the pump housing is perpendicular to axial side It is communicated with outlet pipe, the pump cover is sequentially coaxially connected with connection frame, suspension backward, is rotatablely installed in suspension by coaxial bearing There is main shaft, front-end of spindle passes through pump cover and protrudes into the pump housing, and the circumferential oil groove for surrounding main shaft is coaxially provided in pump cover lid, is being pumped Front-end of spindle in lid is coaxially installed with impeller, and side, that is, impeller rear side wheel face of impeller towards pump cover is equipped with multiple tracks accessory lobes Piece, the pump cover are equipped with multiple tracks blade towards the side of impeller, realize with the back blades work of the blade and impeller of pump cover Self-cleaning function, the front side wheel face of impeller are coaxially connected with a circle and move sawtooth, and the suction casing inner wall is coaxially provided with the quiet saw of a circle Tooth realizes inhalation (inhalatio) crushing function with the quiet sawtooth work of the dynamic sawtooth and suction casing of impeller;
The anhydrous dry rotation protection device of mechanical seal includes the fuel tank being mounted on connection frame, there is oil liquid in fuel tank, oil Case internal upper part is connected to by upper oil pipe with pump cover inner oil sump top, and lower part is connected by lower oil pipe and pump cover inner oil sump lower part in fuel tank It is logical, circulation oil liquid circuit is made of fuel tank and oil groove, realizes anhydrous dry rotation protection using the thermosyphon effect of oil liquid;
The suction chamber connection is mounted at the top of water inlet pipe, and the conjunction of suction chamber top cover is equipped with sucking chamber cap, sucks chamber cap With central through hole, it is equipped with ball-cock assembly seal receptacle, floating ball, spaced motion mechanism in suction chamber, wherein ball-cock assembly seal receptacle is vertical It is movably arranged in suction chamber, floating ball, which floats, to be arranged in suction chamber, and ball-cock assembly seal receptacle passes through spaced motion mechanism and floating ball Connection drives ball-cock assembly seal receptacle to block up in the central through hole of sucking chamber cap by floating ball in upward float;
The vacuum pump is mounted on suspension, and vacuum pump is connected to by conduit coupling with the central through hole for sucking chamber cap, And it is not blocked up and fashionable is connected to in suction chamber in ball-cock assembly seal receptacle by the central through hole of sucking chamber cap.
The vacuum aided self priming pump, it is characterised in that: the outlet pipe nozzle connection of the pump housing is equipped with non-return valve.
The vacuum aided self priming pump, it is characterised in that: the suspension inner main axis is pierced by rear side of suspension, and main shaft is pierced by Section is realized by pump shaft transmission connection in belt component and vacuum pump and is rotated synchronously.
The vacuum aided self priming pump, it is characterised in that: the rear-end of spindle and external prime mover are sequentially connected, when outer When portion's prime mover is diesel engine, the main shaft is sequentially connected by diesel engine Flexible Transmission shaft coupling and diesel engine.
The vacuum aided self priming pump, it is characterised in that: the spaced motion mechanism includes being connected to suction chamber base The lever dolly in portion is rotatably equipped with the first lever on lever dolly, and the second lever above the first lever, and second Lever one end, first lever one end are sequentially located at below ball-cock assembly seal receptacle, ball-cock assembly seal receptacle lower end and the second lever The connection of one end below ball-cock assembly seal receptacle is stretched to, the first lever is located at one end below ball-cock assembly seal receptacle and passes through ball lever, U Type folder is connect with floating ball, and the first lever, the second lever other end are connected by lever connection ring.
The vacuum aided self priming pump, it is characterised in that: be located at suction chamber and water inlet pipe connectivity part in the suction chamber Top is equipped with filter screen.
The vacuum aided self priming pump, it is characterised in that: the blade of the pump cover is that uniform circumferential direction is distributed in main shaft week It encloses, the back blades of wheel face is in uniform circumferential Spiral distribution on rear side of the impeller, and back blades makes impeller in wheel rotation on impeller The medium at rear generates centrifugal movement, and the blade of pump cover space between pump cover and impeller is cooperated to form low-pressure area.
The vacuum aided self priming pump, it is characterised in that: the dynamic sawtooth of the impeller and the quiet sawtooth of suction casing are mutual It is close, realize that inhalation (inhalatio) crushes by the crisscross motion that the serrated face of dynamic sawtooth and static quiet sawtooth with wheel rotation is formed Function.
Compared with prior art, the advantages of the utility model are as follows:
1, structure is simple, does not have larger change to the outer dimension of former centrifugal pump, does not need additionally to configure power.
2, easy to operate, do not need to add other ancillary equipments can directly initiate, be automatically performed repeatedly, lasting self-priming.
3, low energy consumption, does not need separately to configure power or increases original power configuration.
4, additional human intervention is not needed, cost of labor has been saved, has reduced labor intensity of workers and security risk.
5, it can realize that the anhydrous rotation of main shaft is protected by fuel tank inner fluid, the pump housing is made to can be realized anhydrous startup function.
6, device efficiency is high, stable and reliable operation, and the self-cleaning function having can realize the cleaning function to sucking particulate matter Can, the complexity that can be competent at fibrousness solid refuse in the frequent starting and sewage treatment of rescue pumps medium.
Detailed description of the invention
Fig. 1 is the utility model structural side view.
Fig. 2 is the utility model structure front view.
Fig. 3 is the utility model suction chamber structure schematic diagram.
Fig. 4 is the utility model sump portion structural schematic diagram.
Fig. 5 is the utility model pump cover blade schematic diagram.
Fig. 6 is the utility model impeller back blades schematic diagram.
Fig. 7 is that the utility model moves sawtooth and quiet sawtooth schematic diagram.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Fig. 1-Fig. 7, vacuum aided self priming pump, including dry type installation centrifugal pump, suction chamber 21, vacuum pump 7, machinery Anhydrous dry rotation protection device 15 is sealed, dry type installation centrifugal pump includes the pump housing 17,17 leading flank of axial side, that is, pump housing of the pump housing 17 It is communicated with water inlet pipe 24 by suction casing 19, axial 17 rear side of the other side, that is, pump housing of the pump housing 17 is connected with pump cover 14 with shaft-cup conjunction, The pump housing 17 is communicated with outlet pipe 25 perpendicular to axial side, and pump cover 14 is sequentially coaxially connected with connection frame 11, suspension 10 backward, Main shaft 2 is rotatably equipped with by coaxial bearing in suspension 10,2 front end of main shaft passes through pump cover 14 and protrudes into the pump housing 17, pump cover 14 The circumferential oil groove 26 for surrounding main shaft 2 is coaxially provided in lid, 2 front end of main shaft in pump cover 14 is coaxially installed with impeller 16, leaf Side, that is, impeller rear side wheel face of wheel 16 towards pump cover 14 is equipped with multiple tracks back blades 27, and the side of pump cover 14 towards impeller 16 is set There is multiple tracks blade 28, realizes self-cleaning function, impeller 16 with the work of back blades 27 of the blade 28 and impeller 16 of pump cover 14 Front side wheel face be coaxially connected with a circle and move sawtooth 29,19 inner wall of suction casing is coaxially provided with the quiet sawtooth 30 of a circle, by the dynamic of impeller Inhalation (inhalatio) crushing function is realized in the work cooperation of the quiet sawtooth 30 of sawtooth 29 and suction casing 19;
The anhydrous dry rotation protection device 15 of mechanical seal includes the fuel tank being mounted on connection frame 11, has oil liquid in fuel tank, oil Case internal upper part is connected to by upper oil pipe 31 with 14 inner oil sump of pump cover, 26 top, and lower part passes through in lower oil pipe 32 and pump cover 14 in fuel tank The connection of 26 lower part of oil groove is made of circulation oil liquid circuit fuel tank and oil groove 26, is realized using the thermosyphon effect of oil liquid anhydrous dry Rotation protection;
The connection of suction chamber 21 is mounted on 24 top of water inlet pipe, and the conjunction of 21 top cover of suction chamber is equipped with sucking chamber cap n, suction chamber Covering n has central through hole, is equipped with ball-cock assembly seal receptacle h, floating ball b, spaced motion mechanism in suction chamber 21, wherein ball-cock assembly seals Seat h is movably arranged on vertically in suction chamber 21, and floating ball b, which floats, to be arranged in suction chamber 21, and ball-cock assembly seal receptacle h passes through limit fortune Motivation structure is connect with floating ball b, drives ball-cock assembly seal receptacle h to block up the central through hole into sucking chamber cap n in upward float by floating ball b In;
Vacuum pump 7 is mounted on suspension 10, and vacuum pump 7 is connected by the central through hole of conduit coupling 12 and sucking chamber cap n It is logical, and do not blocked up and fashionable be connected to in suction chamber 21 in ball-cock assembly seal receptacle h by the central through hole of sucking chamber cap n.
25 nozzle of the outlet pipe connection of the pump housing 7 is equipped with non-return valve 22.
10 inner main axis 2 of suspension is pierced by rear side of suspension 10, and main shaft 2 is pierced by section and passes through pump shaft in belt component 4 and vacuum pump 7 Transmission connection, which is realized, to be rotated synchronously.
2 rear end of main shaft and external prime mover are sequentially connected, and when external prime mover is diesel engine, main shaft 2 passes through diesel engine Flexible Transmission shaft coupling 3 and diesel engine are sequentially connected.
Spaced motion mechanism includes the lever dolly j for being connected to the sucking bottom chamber cap n, is rotatably equipped on lever dolly j First lever e, and the second lever f above the first lever e, second one end lever f, first one end lever e successively position Below ball-cock assembly seal receptacle h, the ball-cock assembly lower end seal receptacle h and the second lever f stretch to the company of one end below ball-cock assembly seal receptacle h It connects, the first lever e is located at one end below ball-cock assembly seal receptacle h and is connect by ball lever c, U-shaped folder d with floating ball b, the first lever E, the second lever f other end passes through lever connection ring k connection.
It is located above suction chamber 21 and 24 connectivity part of water inlet pipe in suction chamber 21 and is equipped with filter screen i.
As shown in Figure 5, Figure 6, the blade 28 of pump cover 14 is that uniform circumferential direction is distributed in around main shaft 2,16 rear side wheel face of impeller Back blades 27 in uniformly circumferential Spiral distribution, back blades 27 produces the medium at 16 rear of impeller when impeller 16 rotates on impeller Raw centrifugal movement cooperates the blade 28 of pump cover 14 space between pump cover 14 and impeller 16 to form low-pressure area and realizes automatically cleaning function Energy.
As shown in fig. 7, the dynamic sawtooth 29 of impeller 16 and the quiet sawtooth 30 of suction casing 19 are close to each other, by with 16 turns of impeller Inhalation (inhalatio) crushing function is realized in the crisscross motion that the serrated face of dynamic dynamic sawtooth 29 and static quiet sawtooth 30 is formed.
The utility model vacuum aided self priming pump, be centrifuged pump portion: main shaft 2 is by drive end bearing 1 and anti-drive end axis Hold 9 supports to be assemblied in suspension 10, drive end bearing uses bearing gland when being driven from diesel engine connection frame 5(gas-distributing motor) with Axially position and by skeleton oil seal, non-driven-end bearing is by 11 axially position of connection frame and by skeleton oil seal, diesel oil Machine connection frame 5 and connection frame 11 by bolt fastening on suspension 10, the pump cover 14 of centrifugal pump cover seal chamber self-cleaning structure by Bolt fastening is on connection frame 11, and suction casing 19 is connected on pump cover 14 on the pump housing 17 and together by bolt fastening, pump cover-pump The pump chamber of sealing is cooperatively formed by gasket sealing between body, the pump housing-suction casing, mechanical sealing static ring is assemblied on pump cover 14, Mechanical sealing linkage ring is wrapped on main shaft 2 by rubber parts by the common axially position of stationary ring and impeller hub end face.Mechanical seal without The dry rotation protection device 15 of water is fixed on 11 top of connection frame by pump cover-pump housing bolt and is connected to the oil groove of 14 end of pump cover, impeller 16 are bolted on main shaft 2, and the back blades 27 at 16 back of impeller and the blade 28 in pump cover 14 realize pump cover machine envelope jointly The self-cleaning function of chamber, the inlet end face of impeller 16 and the inlet end face of suction casing 19 are equipped with the cutting of sewage pump inlet saw-blade type Device 20, the quiet saw fixed by the dynamic sawtooth 29 and suction casing 19 that are rotated with impeller 16 of sewage pump inlet saw-blade type cutter device 20 Tooth 30 is constituted.The crushing of the dynamic bar for completing to enter with medium pump chamber of two width sawtooth one quiet one therein.The outlet pipe of the pump housing With non-return valve 22, rubber gasket therein when vacuumizing at sealing state with seal pump chamber auxiliary complete vacuumize, pumping Opening state makes the smooth discharge of medium at when normal work.Suction chamber 21 is assembled at the top of the water inlet pipe of the pump housing, suction chamber 21 is pumping It completes that float valve is automatically closed to prevent water from entering vacuum pump and damage when self-priming.
Chamber a in suction chamber 21 and sucking chamber cap n are sealed by gasket and are formed sealed chamber, medium by chamber a hole Filtered into suction chamber and through filter screen i, floating ball b is connect by ball lever c and U-shaped folder d with the first lever, the first lever e with Second lever f is equipped with floating ball valve insert g by the k connection of lever connection ring on the second lever f, lever dolly j by positioning pin m and Bolt L is fixed on sucking chamber cap n and support lever, and ball-cock assembly seal receptacle h is assemblied on sucking chamber cap n.Floating ball b, lever e, F, bracket j and ball-cock assembly seal receptacle h is all made of stainless steel material to guarantee device continuous and effective.Air in pump chamber and inlet tube Suction chamber 21 is entered by the hole 1 on chamber a, sky is discharged to by vacuum pump 7 by connecting pipe 12 from the hole 2 on sucking chamber cap n In gas.
In the utility model, the anhydrous dry rotation protection device 15 of mechanical seal is fixed on connection frame 11 by the pump housing-pump cover bolt Top is connected on the oil groove of pump cover 14 by oil pipe connector " on to above and below under " principle, utilizes thermosyphon effect: machine Lubricating oil absorbs the heat that dynamic and static ring friction generates when tool sealing operating, and lubrication oil density reduces toward floating after absorbing heat, leads to Oil pipe 31 is crossed until the low-temperature oil in fuel tank sunk by lower oil pipe 32 in fuel tank, supplement oil mass in oil groove, it is oily in floating and Constantly heat is discharged into air through tube wall and oil tank wall during sinking, and is gradually cooled to low-temperature oil.This circulating cycle And renew, anhydrous do of realization machine envelope turns, assists realization pump is anhydrous to directly initiate and complete self-priming.
Non-return valve 22 is housed, the rubber gasket 23 in non-return valve 22 is when pumping and running well on the outlet pipe of the pump housing 17 It up tilts and guarantees that medium clear unimpededly discharges, when pump has just started when vacuumizing since gravity rubber is close Packing 23 is sagging and is attached on non-return valve, when cavity pressure is gradually reduced pump, external atmosphere pressure acts on rubber gasket 23 So that it is sealed pump chamber does not allow outside air to enter.
Vacuum pump 7 is assemblied on the suspension 10 of centrifugal pump by parallels 8, and belt component 4 connects vacuum pump 7 and centrifugal pump Axis 2 is simultaneously driven, and moving component is covered on the inside to shield by shield 6, and diesel engine Flexible Transmission shaft coupling 3 is assemblied in axis To connect Diesel Driven pump work on 2, it is unworthy of diesel engine connection frame 5 and diesel engine when matching other prime mover drivens such as motor Flexible Transmission shaft coupling 3, the import of vacuum pump 7 are connected to suction chamber 21 by conduit coupling 12 and are communicated with centrifugal pump pump chamber, Centrifugation pump startup after vacuum pump 7 start therewith, the air in centrifugal pump pump chamber and inlet tube constantly sealed buoyancy tank by vacuum Pump 7 is flow back in air, and the pump chamber and the gas in inlet tube of sealing, which are pumped, declines cavity indoor pressure, and the water of priming reservoir is big Pump chamber is progressed under the action of air pressure until full of pump chamber.
The first lever e, the second lever f, lever connection ring k and lever dolly j in suction chamber 21 form link mechanism, float Ball b is mounted on the end of the first lever e in link mechanism, in pump chamber without water when suction is freely hanging at by gravity It enters the room in 21, floating ball valve insert g keeps unimpeded hole 2 far from ball-cock assembly seal receptacle h, another end in link mechanism is Floating ball valve insert g is installed, floating ball b rises continuous with water level after water level, which is gradually increasing, touches floating ball b on the second lever f Float, floating ball b floating by link mechanism push the second lever f on floating ball valve insert g up push up up to completely with float Hole 2 is closed in ball-valve sealing base h fitting, and medium has been filled with pump chamber and will not enter in vacuum pump 7 at this time.Ball valve is turned off manually at this time 18 make floating ball valve insert g be subjected only to the thrust of floating ball to extend the service life of floating ball valve insert g.
After centrifugal pump runs well, fibrous solids rubbish that may be present can enter with medium and pump in priming reservoir Chamber, especially processing sewage or the medium of emergency management and rescue are bigger containing the probability of such rubbish, are mounted on the sewage of pump housing input end Pump inlet saw-blade type cutter device can pass through the quiet sawtooth 30 and leaf on suction casing 19 before such solid refuse enters pump chamber Dynamic sawtooth 29 on wheel 16 is crushed, and pulverized solid refuse then can be easily by impeller and pump housing runner and from outlet Discharge.
The pump cover 14 of the seal chamber self-cleaning structure of configuration equally distributed comes into leaves in the inner wall of machine sealing chamber added with 3 pieces The blade 28 that piece and evenly spaced 3 pieces short impeller are constituted, the formation of these blades expel device and facilitate the gas being attached in machine sealing chamber The solid particle for steeping and being deposited in machine envelope surface takes machine sealing chamber out of by the centrifugal force that 16 back blades 27 of impeller generates and supplements cleaning Medium, this model machine envelope rubs, and by-produced heat can pass in time, the relative low temperature of holding machine envelope operates.

Claims (8)

1. vacuum aided self priming pump, it is characterised in that: anhydrous including dry type installation centrifugal pump, suction chamber, vacuum pump, mechanical seal Dry rotation protection device, the dry type installation centrifugal pump includes the pump housing, and pump housing axial direction side, that is, pump housing leading flank is connected by suction casing It is connected with water inlet pipe, is closed on rear side of the pump housing axial direction other side, that is, pump housing with shaft-cup and is connected with pump cover, the pump housing connects perpendicular to axial side It is connected with outlet pipe, the pump cover is sequentially coaxially connected with connection frame, suspension backward, is rotatably equipped in suspension by coaxial bearing Main shaft, front-end of spindle pass through pump cover and protrude into the pump housing, the circumferential oil groove for surrounding main shaft are coaxially provided in pump cover lid, in pump cover Interior front-end of spindle is coaxially installed with impeller, and side, that is, impeller rear side wheel face of impeller towards pump cover is equipped with multiple tracks back blades, The pump cover is equipped with multiple tracks blade towards the side of impeller, realizes with the back blades work of the blade and impeller of pump cover from clear Clean function, the front side wheel face of impeller are coaxially connected with a circle and move sawtooth, and the suction casing inner wall is coaxially provided with the quiet sawtooth of a circle, by Inhalation (inhalatio) crushing function is realized in the quiet sawtooth work cooperation of the dynamic sawtooth and suction casing of impeller;
The anhydrous dry rotation protection device of mechanical seal includes the fuel tank being mounted on connection frame, there is oil liquid in fuel tank, in fuel tank Top is connected to by upper oil pipe with pump cover inner oil sump top, and lower part is connected to by lower oil pipe with pump cover inner oil sump lower part in fuel tank, Circulation oil liquid circuit is made of fuel tank and oil groove, realizes anhydrous dry rotation protection using the thermosyphon effect of oil liquid;
The suction chamber connection is mounted at the top of water inlet pipe, and the conjunction of suction chamber top cover is equipped with sucking chamber cap, and sucking chamber cap has Central through hole, suction chamber is interior to be equipped with ball-cock assembly seal receptacle, floating ball, spaced motion mechanism, and wherein ball-cock assembly seal receptacle is movable vertically It is arranged in suction chamber, floating ball, which floats, to be arranged in suction chamber, and ball-cock assembly seal receptacle is connect by spaced motion mechanism with floating ball, Ball-cock assembly seal receptacle is driven to block up in the central through hole of sucking chamber cap in upward float by floating ball;
The vacuum pump is mounted on suspension, and vacuum pump is connected to by conduit coupling with the central through hole for sucking chamber cap, and is led to The central through hole for crossing sucking chamber cap does not block up in ball-cock assembly seal receptacle fashionable to be connected to in suction chamber.
2. vacuum aided self priming pump according to claim 1, it is characterised in that: the outlet pipe nozzle of the pump housing is connected to peace Equipped with non-return valve.
3. vacuum aided self priming pump according to claim 1, it is characterised in that: the suspension inner main axis is worn on rear side of suspension Out, main shaft is pierced by section and realizes synchronous rotation by pump shaft transmission connection in belt component and vacuum pump.
4. vacuum aided self priming pump according to claim 3, it is characterised in that: the rear-end of spindle and external prime mover pass Dynamic connection, when external prime mover is diesel engine, the main shaft is connected by diesel engine Flexible Transmission shaft coupling and diesel engine transmission It connects.
5. vacuum aided self priming pump according to claim 1, it is characterised in that: the spaced motion mechanism includes being connected to The lever dolly in suction chamber base portion is rotatably equipped with the first lever on lever dolly, and above the first lever Two levers, second lever one end, first lever one end are sequentially located at below ball-cock assembly seal receptacle, ball-cock assembly seal receptacle lower end The one end stretched to below ball-cock assembly seal receptacle with the second lever is connect, and it is logical that the first lever is located at one end below ball-cock assembly seal receptacle It crosses ball lever, U-shaped folder and floating ball to connect, the first lever, the second lever other end are connected by lever connection ring.
6. vacuum aided self priming pump according to claim 1, it is characterised in that: be located in the suction chamber suction chamber with into Filter screen is equipped with above water pipe connectivity part.
7. vacuum aided self priming pump according to claim 1, it is characterised in that: the blade of the pump cover is uniformly circumferential point Cloth is around main shaft, and the back blades of wheel face is in uniform circumferential Spiral distribution on rear side of the impeller, and back blades turns in impeller on impeller So that the medium at impeller rear is generated centrifugal movement when dynamic, the blade of pump cover space between pump cover and impeller is cooperated to form low-pressure area Realize self-cleaning function.
8. vacuum aided self priming pump according to claim 1, it is characterised in that: the dynamic sawtooth of the impeller and suction casing Quiet sawtooth is close to each other, is realized by the crisscross motion that the serrated face of dynamic sawtooth and static quiet sawtooth with wheel rotation is formed Inhalation (inhalatio) crushing function.
CN201820887594.6U 2018-06-08 2018-06-08 Vacuum aided self priming pump Active CN208311059U (en)

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Application Number Priority Date Filing Date Title
CN201820887594.6U CN208311059U (en) 2018-06-08 2018-06-08 Vacuum aided self priming pump

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Application Number Priority Date Filing Date Title
CN201820887594.6U CN208311059U (en) 2018-06-08 2018-06-08 Vacuum aided self priming pump

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Publication Number Publication Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468647A (en) * 2018-06-08 2018-08-31 安徽阿莫斯泵业有限公司 Vacuum aided self priming pump
CN110939575A (en) * 2019-12-02 2020-03-31 厚力德机器(杭州)有限公司 Urban septic tank treatment conveying device
CN113915135A (en) * 2021-11-08 2022-01-11 三联泵业股份有限公司 Impeller pump capable of being started quickly
WO2022042272A1 (en) * 2020-08-29 2022-03-03 浙江乐蛙泵业有限公司 Centrifugal water pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468647A (en) * 2018-06-08 2018-08-31 安徽阿莫斯泵业有限公司 Vacuum aided self priming pump
CN110939575A (en) * 2019-12-02 2020-03-31 厚力德机器(杭州)有限公司 Urban septic tank treatment conveying device
WO2022042272A1 (en) * 2020-08-29 2022-03-03 浙江乐蛙泵业有限公司 Centrifugal water pump
CN113915135A (en) * 2021-11-08 2022-01-11 三联泵业股份有限公司 Impeller pump capable of being started quickly
CN113915135B (en) * 2021-11-08 2024-03-26 三联泵业股份有限公司 Impeller pump capable of being started quickly

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Address before: 242300 No. 108 Waihuan West Road, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province

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