CN105952650A - High-strength multistage horizontal water pump - Google Patents

High-strength multistage horizontal water pump Download PDF

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Publication number
CN105952650A
CN105952650A CN201610377610.2A CN201610377610A CN105952650A CN 105952650 A CN105952650 A CN 105952650A CN 201610377610 A CN201610377610 A CN 201610377610A CN 105952650 A CN105952650 A CN 105952650A
Authority
CN
China
Prior art keywords
water
water inlet
pump
straight tube
outlet
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.)
Pending
Application number
CN201610377610.2A
Other languages
Chinese (zh)
Inventor
吴伟忠
金记明
姚松保
潘周华
沈斌
陈玉胜
孙计
刘水军
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.)
Zhejiang Nan Yuanbeng Industry Co Ltd
Original Assignee
Zhejiang Nan Yuanbeng Industry Co Ltd
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 Zhejiang Nan Yuanbeng Industry Co Ltd filed Critical Zhejiang Nan Yuanbeng Industry Co Ltd
Priority to CN201610377610.2A priority Critical patent/CN105952650A/en
Publication of CN105952650A publication Critical patent/CN105952650A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06Multi-stage pumps
    • F04D1/08Multi-stage pumps the stages being situated concentrically
    • 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

Landscapes

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

Abstract

The invention belongs to the technical field of fluid transportation machinery processing, and relates to a high-strength multistage horizontal water pump, which comprises a motor and a rotary shaft in drive connection with the motor. A plurality of blades are fixed on the rotary shaft; an air guide sleeve is sleeved outside each blade; a plurality of air guide sleeves are mutually connected to form a pump shell; a water inflow body and a water outflow body are respectively arranged on two ends of the pump shell; the water outflow body comprises a water outflow body straight cylinder; a water outlet is formed on the water outflow body straight cylinder; a concave platform seam allowance is arranged on one end, close to the water inflow body, of the water outflow body straight cylinder; the pump shell is arranged on the concave platform seam allowances in a pressing way. According to the high-strength multistage horizontal water pump provided by the invention, with the matching of the concave platform seam allowances and support convex plates, the strength of two ends of the whole water outflow body are improved, and thus the strength of the whole water pump is improved.

Description

High intensity staged horizontal water pump
Technical field
The invention belongs to fluid conveying machine processing technique field, relate to high intensity staged horizontal water pump.
Background technology
Multistage pump is exactly water inlet-outlet segment and stage casing, is combined by pull bar.His output water pressure can be very big, is The one of centrifugal pump, be also dependent on impeller is rotated in acquisition centrifugal force, thus material.Treat that gas density reaches oil-sealed rotary pump Working range and be drawn out of, thus gradually obtain fine vacuum.Multistage pump is that the change by pump chamber is to realize air-breathing, compression With aerofluxus, therefore it is can be with the centrifugal pump of capacity.Prior art is often devoted to study how to improve the close of seal receptacle Feng Xing, less for how improving the strength study of water-outlet body.
Chinese patent literature discloses a kind of multistage pump [notification number: CN103261697A], and it is by the impeller liter of final level Fluid after pressure guides outlet through the diffusion portion of final level, is formed fluid from the diffusion portion of final level in pump case Importing to the discharge duct of outlet, discharge duct is formed along the direction circled round around the axle center of rotary shaft, about comprising rotation The flow path cross sectional area of the discharge duct in the plane in the axle center of rotating shaft, more to this compared with the upstream side towards the flowing of outlet Towards the downstream of the flowing of outlet, this flow path cross sectional area more increases to the axis direction of rotary shaft and the direction of radial inward Greatly.
The multistage pump of such scheme can make pump case miniaturization and be prevented from efficiency of pump decline, but can not improve The structural strength of water-outlet body.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of high intensity staged horizontal water pump.
For reaching above-mentioned purpose, present invention employs following technical proposal: a kind of high intensity staged horizontal water pump, including electricity Machine and the rotating shaft with motor drive connection, described rotating shaft is fixed with several blades, is arranged with one and leads outside each blade Stream cover, several kuppes are interconnected to form pump case, being respectively arranged at two ends with into water body and water-outlet body, described water outlet of pump case Body includes that water-outlet body straight tube, described water-outlet body straight tube are provided with outlet, and described water-outlet body straight tube is near the one of water inlet body End is provided with a concave station seam, and pump case is pressed on concave station seam.
In above-mentioned high intensity staged horizontal water pump, inside water-outlet body straight tube, it is provided with a seal receptacle, water-outlet body straight tube Top, one end away from water inlet body is pressed on seal receptacle.
In above-mentioned high intensity staged horizontal water pump, seal receptacle includes having sealed end and and the water-outlet body sealing oral area What straight tube connected is tightly connected end, the described outwardly formation in one end one being tightly connected the close sealed end of end and water-outlet body The support rim of straight tube inwall snug fit.
In above-mentioned high intensity staged horizontal water pump, described being tightly connected holds the one end away from sealed end outwards to turn down Forming crimp rings, described water-outlet body straight tube end is pressed in crimp rings.
In above-mentioned high intensity staged horizontal water pump, formed between crimp rings, support rim and water-outlet body straight tube and seal Circle containing cavity, is provided with sealing member in sealing ring containing cavity.
In above-mentioned high intensity staged horizontal water pump, the external diameter of concave station seam is less than the external diameter of water-outlet body straight tube, described Water-outlet body straight tube and concave station seam one cold moudling.
In above-mentioned high intensity staged horizontal water pump, described water inlet body includes integrated water inlet body body, institute The water inlet body body stated is provided with water inlet, water inlet body body formed after outwards bending away from one end of water inlet one with water inlet Body body is step-like outer bound edge seam, and this outer bound edge seam is pressed on pump case and is formed with the end of pump case and is connected.
In above-mentioned high intensity staged horizontal water pump, described outer bound edge seam include interconnective outsourcing side ring and Outer bound edge cylinder, the angle between described outsourcing side ring and water inlet body body is 90 °, described outsourcing side ring and outer bound edge cylinder it Between angle be 90 °, described outsourcing side ring is pressed on pump case, and outer bound edge cylinder is looped around outside pump case.
In above-mentioned high intensity staged horizontal water pump, described water inlet body body is provided with at least one relief hole, It is fixedly connected with a nut in water inlet body inner body wall and the position corresponding with relief hole, in described relief hole, is provided with one Individual sealing ring, screw plug is spirally connected with nut after sealing ring.
In above-mentioned high intensity staged horizontal water pump, water inlet body body is outwardly away from one end of outer bound edge seam, Described outer bound edge seam and water inlet body body one cold moudling.
Compared with prior art, it is an advantage of the current invention that: the cooperation of concave station seam and support rim makes whole water-outlet body The intensity at two ends be all improved, thus improve the intensity of whole water pump;Installation side between pump case, water-outlet body and water inlet body Just.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is seal receptacle and the schematic diagram of water-outlet body combination.
In figure: motor 1, rotating shaft 2, blade 3, kuppe 4, pump case 5, water inlet body 6, water-outlet body 7, water-outlet body straight tube 8, water outlet Mouthfuls 9, concave station seam 10, seal receptacle 11, seal oral area 12, sealed end 13, be tightly connected end 14, support rim 15, crimp rings 16, Sealing ring containing cavity 17, water inlet body body 18, water inlet 19, outer bound edge seam 20, outsourcing side ring 21, outer bound edge cylinder 22, discharge Hole 23, nut 24, sealing ring 25, screw plug 26.
Detailed description of the invention
The present invention will be further described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of high intensity staged horizontal water pump, including motor 1 and with the rotating shaft 2 of motor drive connection, institute Being fixed with several blades 3 in the rotating shaft stated, a dry blade 3 axially arranges along rotating shaft 2, is arranged with one and leads outside each blade 3 Stream cover 4, several kuppes 4 are interconnected to form pump case 5, pump case 5 be respectively arranged at two ends with into water body 6 and water-outlet body 7, described Water-outlet body 7 include that water-outlet body straight tube 8, described water-outlet body straight tube 8 are provided with outlet 9, described water-outlet body straight tube 8 is close One end of water inlet body 6 is provided with a concave station seam 10, and pump case 5 is pressed on concave station seam 10.The external diameter of concave station seam 10 is less than The external diameter of water-outlet body straight tube 8, described water-outlet body straight tube 8 and concave station seam 10 one cold moudling.In the present embodiment, concave station Seam 10 plays the effect strengthening water-outlet body straight tube 8 end intensity, easy to connect with pump case 5.
Shown in Fig. 2, water-outlet body straight tube 8 is internal is provided with a seal receptacle 11, and water-outlet body straight tube 8 is away from water inlet body 6 Top, one end is pressed on seal receptacle 11.Seal receptacle 11 includes having the sealed end 13 of sealing oral area 12 and be connected with water-outlet body straight tube 8 Be tightly connected end 14, it is described that to be tightly connected end 14 straight with water-outlet body near the outwardly formation in one end of sealed end 13 one The support rim 15 of cylinder 8 inwall snug fit.Support rim 15 is inside water-outlet body straight tube 8, to water-outlet body straight tube 8 away from concave station The other end of seam 10 plays stiffening effect, after therefore concave station seam 10 and support rim 15 cooperate, and water-outlet body straight tube 8 liang The structural strength of end is all improved, and makes the structural strength of whole water pump improve, extends the stability of service life and work. Water-outlet body straight tube 8 is directly socketed on seal receptacle 11 installation, quick and easy for installation.
Specifically, be tightly connected end 14 away from sealed end 13 one end outwards turn down formation crimp rings 16, described goes out Water body straight tube 8 end is pressed in crimp rings 16, forms sealing ring between crimp rings 16, support rim 15 and water-outlet body straight tube 8 Containing cavity 17, is provided with sealing member in sealing ring containing cavity 17.
Water inlet body 6 includes that integrated water inlet body body 18, described water inlet body body 18 are provided with water inlet 19, enter Water body body 18 forms one with body body 18 of intaking in step-like outer bound edge after outwards bending away from one end of water inlet 19 Seam 20, this outer bound edge seam 20 is pressed on pump case 5 and is formed with the end of pump case 5 and is connected.
Outer bound edge seam 20 includes interconnective outsourcing side ring 21 and outer bound edge cylinder 22, described outsourcing side ring 21 and entering Angle between water body body 18 is 90 °, and the angle between described outsourcing side ring 21 and outer bound edge cylinder 22 is 90 °, described Outsourcing side ring 21 is pressed on pump case 5, and it is outside that outer bound edge cylinder 22 is looped around pump case 5.Water inlet body body 18 is away from outer bound edge seam One end of 20 is outwardly, described outer bound edge seam 20 and water inlet body body 18 one cold moudling.
Water inlet body body 18 is provided with at least one relief hole 23, at water inlet body body 18 inwall and relative with relief hole 23 Being fixedly connected with a nut 24 on the position answered, be provided with a sealing ring 25 in described relief hole 23, screw plug 26 is through close It is spirally connected with nut 24 after seal 25.
The operation principle of the present invention is: motor 1 drives rotating shaft 2 to rotate, and liquid enters in pump case 5 from water inlet 19, by Multiple blades 3 form supercharging step by step, enter finally in water-outlet body 7, discharging from outlet 9.Seal receptacle 11 has isolated motor 1 With water-outlet body 7, concave station seam 10 and support rim 15, structural strengthening effect, Ke Yinai are all played in the two ends of water-outlet body straight tube 8 By higher hydraulic pressure, so that pump working is stable, service life is long.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employ motor 1, rotating shaft 2, blade 3, kuppe 4, pump case 5, water inlet body 6, water-outlet body 7, Water-outlet body straight tube 8, outlet 9, concave station seam 10, seal receptacle 11, seal oral area 12, sealed end 13, be tightly connected end 14, support Boss 15, crimp rings 16, sealing ring containing cavity 17, water inlet body body 18, water inlet 19, outer bound edge seam 20, outsourcing side ring 21, The terms such as outer bound edge cylinder 22, relief hole 23, nut 24, sealing ring 25, screw plug 26, but it is not precluded from using the possibility of other term Property.Use these terms to be only used to more easily to describe and explain the essence of the present invention;It is construed as any one Additional restriction is all contrary with spirit of the present invention.

Claims (10)

1. a high intensity staged horizontal water pump, including motor (1) and with the rotating shaft (2) of motor drive connection, described rotating shaft On be fixed with several blades (3), be arranged with a kuppe (4) outside each blade (3), several kuppes (4) interconnect mutually Connect formation pump case (5), pump case (5) be respectively arranged at two ends with into water body (6) and water-outlet body (7), it is characterised in that described water outlet Body (7) includes that water-outlet body straight tube (8), described water-outlet body straight tube (8) are provided with outlet (9), described water-outlet body straight tube (8) Being provided with a concave station seam (10) near one end of water inlet body (6), pump case (5) is pressed on concave station seam (10).
High intensity staged horizontal water pump the most according to claim 1, it is characterised in that water-outlet body straight tube (8) is internal to be provided with One seal receptacle (11), water-outlet body straight tube (8) is pressed on seal receptacle (11) away from the top, one end of water inlet body (6).
High intensity staged horizontal water pump the most according to claim 2, it is characterised in that seal receptacle (11) includes having sealing The sealed end (13) of oral area (12) and be connected with water-outlet body straight tube (8) be tightly connected end (14), described is tightly connected end (14) near the support rim of the outwardly formation in one end one and water-outlet body straight tube (8) inwall snug fit of sealed end (13) (15)。
High intensity staged horizontal water pump the most according to claim 3, it is characterised in that described is tightly connected end (14) far Outwards turn down formation crimp rings (16) from one end of sealed end (13), described water-outlet body straight tube (8) end is pressed on crimp rings (16) on.
High intensity staged horizontal water pump the most according to claim 4, it is characterised in that crimp rings (16), support rim (15) form sealing ring containing cavity (17) and between water-outlet body straight tube (8), in sealing ring containing cavity (17), be provided with sealing member.
High intensity staged horizontal water pump the most according to claim 1, it is characterised in that the external diameter of concave station seam (10) is less than The external diameter of water-outlet body straight tube (8), described water-outlet body straight tube (8) and concave station seam (10) integrally cold moudling.
High intensity staged horizontal water pump the most according to claim 1, it is characterised in that described water inlet body (6) includes one Body formed water inlet body body (18), described water inlet body body (18) is provided with water inlet (19), and water inlet body body (18) is remote One is formed with water inlet body body (18) in step-like outer bound edge seam (20) after one end of water inlet (19) outwards bends, This outer bound edge seam (20) is pressed on upper and with pump case (5) the end formation of pump case (5) and is connected.
High intensity staged horizontal water pump the most according to claim 7, it is characterised in that described outer bound edge seam (20) bag Include interconnective outsourcing side ring (21) and outer bound edge cylinder (22), between described outsourcing side ring (21) and water inlet body body (18) Angle be 90 °, the angle between described outsourcing side ring (21) and outer bound edge cylinder (22) is 90 °, described outsourcing side ring (21) being pressed on pump case (5), it is outside that outer bound edge cylinder (22) is looped around pump case (5).
High intensity staged horizontal water pump the most according to claim 8, it is characterised in that in described water inlet body body (18) It is provided with at least one relief hole (23), the company of fixing on water inlet body body (18) inwall and the position corresponding with relief hole (23) Being connected to a nut (24), be provided with a sealing ring (25) in described relief hole (23), screw plug (26) passes sealing ring (25) It is spirally connected with nut (24) afterwards.
High intensity staged horizontal water pump the most according to claim 7, it is characterised in that water inlet body body (18) is away from outward One end of bound edge seam (20) is outwardly, described outer bound edge seam (20) and water inlet body body (18) integrally cold moudling.
CN201610377610.2A 2016-05-31 2016-05-31 High-strength multistage horizontal water pump Pending CN105952650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610377610.2A CN105952650A (en) 2016-05-31 2016-05-31 High-strength multistage horizontal water pump

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Application Number Priority Date Filing Date Title
CN201610377610.2A CN105952650A (en) 2016-05-31 2016-05-31 High-strength multistage horizontal water pump

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CN105952650A true CN105952650A (en) 2016-09-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109538522A (en) * 2018-10-30 2019-03-29 浙江水利水电学院 A kind of inducer, centrifugal wheel, the connection structure between rotor and installation method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0588259A1 (en) * 1992-09-14 1994-03-23 KSB Aktiengesellschaft Recycling of the axial thrust compensation water
CN1396384A (en) * 2001-07-12 2003-02-12 合肥工业大学 Centrifugal pump with trapezoidal or rectangular channel and method for manufacturing it by punch and weld
CN2672337Y (en) * 2003-08-28 2005-01-19 广东凌霄泵业股份有限公司 Novel seal structure multi stage centrifugal pump
CN1908442A (en) * 2005-08-03 2007-02-07 阳江市新力工业有限公司 Improved single-stage centrifugal pump
CN204783844U (en) * 2015-07-13 2015-11-18 江西省万载水泵有限责任公司 Horizontal multistage centrifugal pump
CN205841220U (en) * 2016-05-31 2016-12-28 浙江南元泵业有限公司 High intensity staged horizontal water pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0588259A1 (en) * 1992-09-14 1994-03-23 KSB Aktiengesellschaft Recycling of the axial thrust compensation water
CN1396384A (en) * 2001-07-12 2003-02-12 合肥工业大学 Centrifugal pump with trapezoidal or rectangular channel and method for manufacturing it by punch and weld
CN2672337Y (en) * 2003-08-28 2005-01-19 广东凌霄泵业股份有限公司 Novel seal structure multi stage centrifugal pump
CN1908442A (en) * 2005-08-03 2007-02-07 阳江市新力工业有限公司 Improved single-stage centrifugal pump
CN204783844U (en) * 2015-07-13 2015-11-18 江西省万载水泵有限责任公司 Horizontal multistage centrifugal pump
CN205841220U (en) * 2016-05-31 2016-12-28 浙江南元泵业有限公司 High intensity staged horizontal water pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109538522A (en) * 2018-10-30 2019-03-29 浙江水利水电学院 A kind of inducer, centrifugal wheel, the connection structure between rotor and installation method
CN109538522B (en) * 2018-10-30 2020-05-12 浙江水利水电学院 Connecting structure and mounting method for inducer, centrifugal wheel and rotor

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
CB03 Change of inventor or designer information

Inventor after: Jin Jiming

Inventor after: Yao Songbao

Inventor before: Wu Weizhong

Inventor before: Jin Jiming

Inventor before: Yao Songbao

Inventor before: Pan Zhouhua

Inventor before: Shen Bin

Inventor before: Chen Yusheng

Inventor before: Sun Ji

Inventor before: Liu Shuijun

COR Change of bibliographic data
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160921