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CN106884812A - A kind of agricultural fluid pump - Google Patents

A kind of agricultural fluid pump Download PDF

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Publication number
CN106884812A
CN106884812A CN201710263381.6A CN201710263381A CN106884812A CN 106884812 A CN106884812 A CN 106884812A CN 201710263381 A CN201710263381 A CN 201710263381A CN 106884812 A CN106884812 A CN 106884812A
Authority
CN
China
Prior art keywords
pump
impeller
pump housing
seal ring
axial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710263381.6A
Other languages
Chinese (zh)
Inventor
汤国和
王现明
周成兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710263381.6A priority Critical patent/CN106884812A/en
Publication of CN106884812A publication Critical patent/CN106884812A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • F04D29/0462Bearing cartridges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/086Sealings especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of agricultural fluid pump, it is related to agriculture pump field, including the pump housing, pump shaft, impeller and be respectively communicated with the pump housing enter pipe and discharge pipe, the impeller is axially suction, the enclosed impeller radially discharged, and it is provided with pump shaft mounting hole on an axially side cover plate of impeller, impeller is arranged on the inner of pump shaft by the pump shaft mounting hole, axial suction inlet and inner seal ring slotted eye are provided with another side cover plate in axial direction of impeller, set through pump housing axial direction side into pipe, the one end for stretching into pump body into pipe is set with inner seal ring, the one end for stretching into pump body into pipe is plugged in the axial suction inlet of impeller, inner seal ring is arranged in inner seal ring slotted eye, the axial opposite side of the pump housing is provided with bearing block, pump shaft the inner is installed in the pump housing by bearing.Agricultural fluid pump structure of the invention is simple, small volume, convenient transportation, suction are big, low cost of manufacture, be applied to practical in agricultural production, and functional reliability is high.

Description

A kind of agricultural fluid pump
Technical field
The present invention relates to agricultural pump field, particularly a kind of agricultural fluid pump.
Background technology
Agricultural fluid pump is one kind of agricultural machinery, and fluid pump is the machinery for conveying liquid or making liquid supercharging.By main The operation principle and design feature of workpiece is classified, and the first kind is vane type oil pump, by the impeller for rotating, with centrifugal force or is pushed away Power is operated, such as centrifugal pump, axial-flow pump, mixed-flow pump etc.;Equations of The Second Kind is positive displacement pump, by piston, the friendship of the volume of plunger It is operated for change, such as rocking arm pump, treble pump etc.;3rd class is specific type pump, such as hydraulic ram.If pressing engine and water The work characteristics of pump and the difference of design feature are classified, also deep well pump, turbine pump etc..
Fluid pump is a kind of conventional fluid delivery system, applies to each neck of life, industrial production and agricultural production Domain.The small technical barrier of common fluid pump generally existing suction of the prior art.And for the pump of some big suctions, although Which solve common fluid pumping journey it is small the characteristics of, but because its complex structure, bulky, mobile difficult, price are high etc. Defect, does not meet requirement of the common fluid pump for structure and price, is applied to inconvenience really in peasant's agricultural production, because This, it is necessary to design a simple structure, easily fabricated and cheap fluid pump.
The content of the invention
The present invention is directed to problems of the prior art, there is provided a kind of agricultural fluid pump, this kind of agricultural fluid pump knot Structure is simple, small volume, convenient transportation, suction are big, low cost of manufacture, be applied to practical, functional reliability in agricultural production It is high.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of agricultural fluid pump, including the pump housing, the pump shaft on the pump housing, the impeller being arranged in said pump body and point Do not connect the above-mentioned pump housing enters pipe and discharge pipe, it is characterised in that:The impeller is axial suction, radially discharge is closed Impeller, pump shaft mounting hole is provided with an axially side cover plate of the impeller, and the impeller is arranged on institute by the pump shaft mounting hole The inner of pump shaft is stated, axial suction inlet and inner seal ring slotted eye are provided with another side cover plate in axial direction of the impeller;
The entrance pipe is set through above-mentioned pump housing axial direction side, and one end that the entrance pipe stretches into pump body is set with interior close Seal, one end that the entrance pipe stretches into pump body is plugged in the axial suction inlet of the impeller, and the inner seal ring sets Put in the inner seal ring slotted eye;
The axial opposite side of the pump housing is provided with bearing block, the inner bearing by being arranged in the bearing block of the pump shaft It is installed in said pump body, the bearing is axial zero deflection needle bearing.
Improved as the one kind in structure of the present invention, the axial side of the pump housing is provided with pump housing end cap, the entrance Pipe is set through said pump body end lid.
Further, the pump housing end cap inwall is provided with outer seal ring, and the outer seal ring is arranged on described entrance outside pipe Enclose and between another side cover plate outer wall in axial direction of said pump body end lid inwall and the impeller.
Further, pump housing axial direction side inwall is provided with outer seal ring, and the outer seal ring is arranged on the entrance Pipe periphery is simultaneously located between above-mentioned pump housing axial direction side inwall and another side cover plate outer wall in axial direction of the impeller.
Further, another side cover plate outer wall in the axial direction of the impeller is provided with outer seal ring, and the outer seal ring is arranged on The entrance pipe periphery is simultaneously located between above-mentioned pump housing axial direction side inwall and another side cover plate outer wall in axial direction of the impeller.
Improved as the one kind in structure of the present invention, the centrifugal direction of the relatively above-mentioned enclosed impeller of the discharge pipe sets Put.
Improved as the one kind in structure of the present invention, the outer end of the pump shaft is provided with drive or shaft coupling.
Preferably, the inner seal ring is high temperature and high speed sealing ring, increased the service life of the pump housing, reduces maintenance cost And labour.
The present invention compared with prior art, with following beneficial effect:
(1)Simple structure of the present invention, it is simple to solve fluid pump structure in the prior art, the small problem of suction, the entrance being provided with Pipe directly connects the inside center of impeller, in the presence of inner seal ring, effectively prevent the interior of the pump housing and lets out, and increases fluid The suction of pump;
(2)Fluid pump low cost of manufacture of the invention, small volume, convenient transportation, are applied to practical, work in agricultural production Reliability is high, is applicable not only to various liquid, it may also be used for the extraction discharge of powder.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, with reality of the invention Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of agricultural fluid pump of a preferred embodiment of the present invention;
Fig. 2 be a preferred embodiment of the present invention a kind of agricultural fluid pump in impeller structural representation;
Fig. 3 is the structural representation of a kind of agricultural fluid pump of another preferred embodiment of the invention.
Marked in figure:1st, the pump housing;2nd, pump shaft;3rd, impeller;31st, pump shaft mounting hole;32nd, axial suction inlet;33rd, interior sealing Ring recess hole;4th, into pipe;5th, discharge pipe;6th, pump housing end cap;7th, bearing, 8, drive;9th, inner seal ring;10th, outer seal ring.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.
In the description of the invention, it is necessary to explanation, unless otherwise indicated, " multiple " be meant that two or two with On;Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " top ", the orientation of the instruction such as " bottom " Or position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, and Be not indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore It is not considered as limiting the invention.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or integratedly connect Connect;Can mechanically connect, or circuit connection;Can be joined directly together, or by the indirect phase of intermediary Even.For the ordinary skill in the art, visual concrete condition understands above-mentioned term concrete meaning in the present invention.
As shown in figure 1, a kind of powder fluid pump, it includes the pump housing 1, the pump shaft 2 on the pump housing 1, is arranged on Impeller 3 in the pump housing 1 and the entrance pipe 4 and discharge pipe 5 of the pump housing 1 are respectively communicated with, the correspondence of the discharge pipe 5 impeller 3 centrifugal direction is set, and the axial side of the pump housing 1 is provided with pump housing end cap 6, and the entrance pipe 4 passes through the pump housing end Lid 6 simultaneously stretches into the inside of the pump housing 1, and the axial opposite side of the pump housing 1 is provided with bearing block, and the inner of the pump shaft 2 passes through The bearing 7 being arranged in the bearing block is installed in the pump housing 1, and the bearing 7 is axial zero deflection needle bearing, described The outer end of pump shaft 2 is provided with drive 8.
Further in conjunction with shown in Fig. 1 and Fig. 2, above-mentioned impeller 3 is the enclosed impeller of axially suction, radially discharge, the leaf Pump shaft mounting hole 31 is provided with an axially side cover plate of wheel 3, the impeller 3 is arranged on described by the pump shaft mounting hole 31 The inner of pump shaft 2, axial suction inlet 32 and inner seal ring slotted eye 33, institute are provided with another side cover plate in axial direction of the impeller 3 Axial suction inlet 32 and the stepped setting of the inner seal ring slotted eye 33 are stated, the entrance pipe 4 is stretched into inside the pump housing 1 One end is set with inner seal ring 9, and the inner seal ring 9 is high temperature and high speed sealing ring, and the entrance pipe 4 is stretched into the pump housing 1 The one end in portion is plugged in the axial suction inlet 32 of the impeller 3 by certain matching relationship, and it is not interfered with the leaf The rotation of wheel 3, the inner seal ring 9 is equipped with the inner seal ring slotted eye 33 so that the inner seal ring 9 can reach To the effect of sealing, the rotation of the impeller 3 is not interfered with again.
Above-mentioned pump shaft 2 connects the rotary shaft of motor by the drive 8, under the high-speed driving of motor, Drive the quick rotation of the impeller 3;During the fluid pump work, due to the quick rotation of the impeller 3, in the effect of centrifugal force Under, the liquid at the center of the impeller 3 is set aside with speed very high, so as to be centrally formed low pressure, low level liquid in the impeller 3 Continuously sucted through the entrance pipe 4, and dished out to the liquid in the pump housing 1 by the impeller 3, due to very Flow velocity high, and form high pressure and discharged through the discharge pipe 5;Rapidly because institute between the impeller 3 and the entrance pipe 4 of rotation The effect of inner seal ring 9 is stated so that the liquid in the internal high pressure area of the pump housing 1 cannot flow to the low-pressure area of the impeller 3, so that anti- Stop the interior of fluid pump to let out, along with the impeller 3 rapidly rotates produced powerful centrifugation suction, increase fluid pump Suction, and it also has the advantages that design science, simple structure, practical, low cost of manufacture, functional reliability are high.
As shown in figure 3, the inwall of said pump body end lid 6 is provided with outer seal ring 10, the outer seal ring 10 be arranged on it is described enter Enter the periphery of pipe 4 and be located between another side cover plate outer wall in the axial direction of the inwall of pump housing end cap 6 and the impeller 3.
Above-mentioned inner seal ring 9 and above-mentioned outer seal ring 10 are installed simultaneously, the liquid in the internal high pressure area of the pump housing 1 had both been avoided The low-pressure area of impeller 3 described in direction of flow, can prevent again the liquid in the internal high pressure area of the pump housing 1 by the entrance pipe 4 with it is described The clearance leakage of the pump housing 1, in the presence of dual-seal, has fully ensured the efficiency of the fluid pump.
It should be strongly noted that structure design of the invention is applicable not only to various liquid, it may also be used for powder is taken out Go out discharge, when motor drives the impeller 3 rapidly to rotate, the middle part of the impeller 3 produces powerful suction, powder will be from The entrance pipe 4 is sucked, through the centrifugal action of the impeller 3 after, discharged from the discharge pipe 5.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, although with reference to foregoing reality Apply example to be described in detail the present invention, for a person skilled in the art, it still can be to foregoing each implementation Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic.It is all in essence of the invention Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (8)

1. a kind of agricultural fluid pump, including the pump housing(1), installed in the pump housing(1)On pump shaft(2), be arranged on the above-mentioned pump housing(1) Interior impeller(3)And it is respectively communicated with the above-mentioned pump housing(1)Enter pipe(4)And discharge pipe(5), it is characterised in that:The impeller (3)It is axial suction, the enclosed impeller of radially discharge, the impeller(3)Be axially provided with pump shaft mounting hole on a side cover plate (31), the impeller(3)By the pump shaft mounting hole(31)Installed in the pump shaft(2)The inner, the impeller(3)Axial direction Axial suction inlet is provided with another side cover plate(32)With inner seal ring slotted eye(33);
It is described to enter pipe(4)Through the above-mentioned pump housing(1)Axial side is set, described to enter pipe(4)Stretch into the pump housing(1)Internal one End is set with inner seal ring(9), it is described to enter pipe(4)Stretch into the pump housing(1)Internal one end is plugged in the impeller(3)Axial direction Suction inlet(32)It is interior, the inner seal ring(9)It is arranged on above-mentioned inner seal ring slotted eye(33)It is interior;
The pump housing(1)Axial opposite side be provided with bearing block, above-mentioned pump shaft(2)The inner is by being arranged in the bearing block Bearing(7)It is installed in the above-mentioned pump housing(1)It is interior, the bearing(7)It is axial zero deflection needle bearing.
2. a kind of agricultural fluid pump according to claim 1, it is characterised in that:The pump housing(1)Axial side set There is pump housing end cap(6), it is described to enter pipe(4)Through said pump body end lid(6)Set.
3. a kind of agricultural fluid pump according to claim 2, it is characterised in that:The pump housing end cap(6)Inwall is provided with Outer seal ring(10), the outer seal ring(10)It is arranged on described into pipe(4)Periphery is simultaneously located at said pump body end lid(6)Inwall with The impeller(3)Another side cover plate outer wall in axial direction between.
4. a kind of agricultural fluid pump according to claim 1, it is characterised in that:The pump housing(1)Axial side inwall sets It is equipped with outer seal ring(10), the outer seal ring(10)It is arranged on described into pipe(4)Periphery is simultaneously located at the above-mentioned pump housing(1)Axial direction one Side inwall and the impeller(3)Another side cover plate outer wall in axial direction between.
5. a kind of agricultural fluid pump according to claim 1, it is characterised in that:The impeller(3)Another side cover in axial direction Plate outer wall is provided with outer seal ring(10), the outer seal ring(10)It is arranged on described into pipe(4)Periphery is simultaneously located at the above-mentioned pump housing (1)Axial side inwall and the impeller(3)Another side cover plate outer wall in axial direction between.
6. a kind of agricultural fluid pump according to claim 1, it is characterised in that:The discharge pipe(5)Relatively above-mentioned closing The centrifugal direction of formula impeller is set.
7. a kind of agricultural fluid pump according to claim 1, it is characterised in that:The pump shaft(2)Outer end be provided with biography Driving wheel or shaft coupling.
8. a kind of agricultural fluid pump according to claim 1, it is characterised in that:The inner seal ring(9)It is high temperature and high speed Sealing ring.
CN201710263381.6A 2017-04-21 2017-04-21 A kind of agricultural fluid pump Withdrawn CN106884812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710263381.6A CN106884812A (en) 2017-04-21 2017-04-21 A kind of agricultural fluid pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710263381.6A CN106884812A (en) 2017-04-21 2017-04-21 A kind of agricultural fluid pump

Publications (1)

Publication Number Publication Date
CN106884812A true CN106884812A (en) 2017-06-23

Family

ID=59183269

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710263381.6A Withdrawn CN106884812A (en) 2017-04-21 2017-04-21 A kind of agricultural fluid pump

Country Status (1)

Country Link
CN (1) CN106884812A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236725A (en) * 2018-10-31 2019-01-18 安徽腾龙泵阀制造有限公司 A kind of sealing device for pump housing antiseep

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2811626Y (en) * 2005-08-16 2006-08-30 段志全 Steel plate type sand pump
CN101021215A (en) * 2007-03-16 2007-08-22 上海凯泉泵业(集团)有限公司 Round-disc through-hole ultra low ratio rotary speed centrifugal pump
CN202756293U (en) * 2012-07-26 2013-02-27 刘如松 Particle fluid pump
CN203488385U (en) * 2013-09-06 2014-03-19 毅飞泵业(福州)有限公司 Novel direct connection self-sucking pump
JP2016512304A (en) * 2013-03-15 2016-04-25 エンヴァイロテック・ポンプシステムズ・インコーポレーテッド Gear-driven flowing water Pitot tube pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2811626Y (en) * 2005-08-16 2006-08-30 段志全 Steel plate type sand pump
CN101021215A (en) * 2007-03-16 2007-08-22 上海凯泉泵业(集团)有限公司 Round-disc through-hole ultra low ratio rotary speed centrifugal pump
CN202756293U (en) * 2012-07-26 2013-02-27 刘如松 Particle fluid pump
JP2016512304A (en) * 2013-03-15 2016-04-25 エンヴァイロテック・ポンプシステムズ・インコーポレーテッド Gear-driven flowing water Pitot tube pump
CN203488385U (en) * 2013-09-06 2014-03-19 毅飞泵业(福州)有限公司 Novel direct connection self-sucking pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236725A (en) * 2018-10-31 2019-01-18 安徽腾龙泵阀制造有限公司 A kind of sealing device for pump housing antiseep
CN109236725B (en) * 2018-10-31 2024-05-17 安徽腾龙泵阀制造有限公司 Sealing device for pump body leakage prevention

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Application publication date: 20170623