CN104763641B - A kind of rotational flow self-priming pump - Google Patents

A kind of rotational flow self-priming pump Download PDF

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Publication number
CN104763641B
CN104763641B CN201510141392.8A CN201510141392A CN104763641B CN 104763641 B CN104763641 B CN 104763641B CN 201510141392 A CN201510141392 A CN 201510141392A CN 104763641 B CN104763641 B CN 104763641B
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China
Prior art keywords
chamber
fluid reservoir
impeller
pump
delivery chamber
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CN201510141392.8A
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Chinese (zh)
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CN104763641A (en
Inventor
孙跃林
王成
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Johnson Precision Engineering Suzhou Co Ltd
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Johnson Precision Engineering Suzhou Co Ltd
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Publication of CN104763641A publication Critical patent/CN104763641A/en
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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
    • F04D9/00Priming; Preventing vapour lock
    • F04D9/02Self-priming 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
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially 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
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/605Mounting; Assembling; Disassembling specially adapted for liquid pumps

Abstract

The present invention relates to a kind of rotational flow self-priming pump, including the pump housing, impeller, parts of bearings, pump cover, runner liner plate and drive end bearing bracket, pump body, which is divided, suction chamber, delivery chamber, fluid reservoir, air-water separation chamber;Impeller is located at the end in delivery chamber with parts of bearings and is connected, no phyllocyst is formed between impeller and runner liner plate, impeller includes multiple blades being distributed in around its center of rotation, blade includes the connecting portion close to center of rotation and the homework department away from center of rotation, the width of homework department is more than connecting portion, the runner liner plate part relative with homework department is provided with the groove of annular, so as to form enough recycle stream regions between blade and runner liner plate;Air-water separation chamber is located at the top of fluid reservoir and connected with fluid reservoir, and the runner of delivery chamber is connected through air-water separation chamber with the output pipe being connected on the pump housing.Most of solids is excluded via without phyllocyst during use of the present invention, does not enter impeller, will not produce abrasion to impeller.

Description

A kind of rotational flow self-priming pump
Technical field
The present invention relates to self priming pump field, in particular a kind of rotational flow self-priming pump.
Background technology
Existing self priming pump product uses centrifugal pump structure, and it is by the pump housing, impeller, pump cover, sealing ring, seal member, bearing Part is constituted, the running clearance of high and low pressure chamber in pump, is realized and sealed with sealing ring.It has the following disadvantages:Centrifugal pump impeller, When pumping containing solids, especially when pumping the liquid containing fibre object, easily occur runner and block;After long-play, In sewage occasion, meeting Fast Wearing in pump seal ring portion position causes pump hydraulic performance decline;Pumping hydroecium is designed by flow passage structure, unsuitable Opening or cleaning manages hand hole, during Severe blockage, pump is disintegrated, could cleared up.Workload is big, and the time is long.Bearing body part is without cold But system, during bearing heating, can influence pump normal work.
The content of the invention
It is specifically real by following technical scheme present invention aims at solving the above problems there is provided a kind of rotational flow self-priming pump It is existing:
A kind of rotational flow self-priming pump, including the pump housing, impeller, parts of bearings, pump cover, runner liner plate and drive end bearing bracket, the pump Internal portion, which is divided, suction chamber, delivery chamber, fluid reservoir, air-water separation chamber;The suction chamber be located at drive end bearing bracket and runner liner plate it Between, and connected with the inlet pipeline for being connected to the pump housing, the drive end bearing bracket is connected by handle nut with the pump housing;The delivery chamber It is relative with suction chamber level, and both via runner liner plate center duct interconnect;The pump cover is located at the liquid storage Between room and the delivery chamber, the parts of bearings makes its end be located at delivery chamber via the fluid reservoir through the pump cover It is interior, so that the main body of the parts of bearings is immersed in fluid reservoir;The impeller is located at the end in delivery chamber with parts of bearings Connection, forms no phyllocyst between impeller and runner liner plate, the impeller includes multiple blades being distributed in around its center of rotation, The blade includes the connecting portion close to center of rotation and the homework department away from center of rotation, and the width of the homework department is more than The connecting portion, the runner liner plate part relative with the homework department is provided with the groove of annular, so that in blade and stream Enough recycle stream regions are formed between road liner plate;The air-water separation chamber be located at the fluid reservoir top and with the storage Liquid room is connected, and the runner of the delivery chamber is connected through the air-water separation chamber with the output pipe being connected on the pump housing.
Described rotational flow self-priming pump, further design is for it, is provided with above the suction chamber positioned at gas-water separation The intake antrum of room side, the inlet pipeline is connected to the side of intake antrum, and the bottom of intake antrum is connected with the suction chamber.
Described rotational flow self-priming pump, further design is for it, is provided between the inlet pipeline and the intake antrum Filter plate.
Described rotational flow self-priming pump, it, which is further designed, is, the parts of bearings includes the support being located in fluid reservoir Housing, rotating shaft and bearing, the rotating shaft are rotatably arranged in supporting shell body by bearing, and the end of bearing is described in Pump cover is connected with the impeller in delivery chamber.
Described rotational flow self-priming pump, it, which is further designed, is, the middle part of the pump cover is grand to the side positioned at fluid reservoir Rise, the rotating shaft, hence into delivery chamber, sealing ring is provided between the bump pad and rotating shaft through the bump pad.
Described rotational flow self-priming pump, it, which is further designed, is, the pump cover supports housing towards delivery chamber with described Side is tightly connected.
Described rotational flow self-priming pump, its further design is that the bottom of the fluid reservoir is provided with fluid hole, it is described go out Fluid apertures is connected with the bottom of the delivery chamber.
Described rotational flow self-priming pump, it, which is further designed, is, the fluid reservoir, delivery chamber, the bottom of suction chamber are set There is the apocenosis passage of insertion, the fluid hole connects to connect with the delivery chamber with the apocenosis passage, and discharge opeing is logical Road has positioned at the outlet of the drive end bearing bracket bottom, and the exit is provided with dismountable plugging block.
Most of solids is excluded via without phyllocyst during use of the present invention, does not enter impeller, and impeller will not be produced Abrasion;Without sealing ring at the impeller of the present invention, increase in the absence of the running clearance of the pump housing after abrasion and impeller, and cause pump performance The problem of decline;The characteristic of the liquid containing certain gas can be pumped using Turo pump simultaneously, expands the use scope of self priming pump; Parts of bearings outer surface is largely submerged in pump housing bottom fluid reservoir, during work, is cooled down by the liquid pumped, with preferable Cooling effect;The suction chamber of the present invention is designed using Large Copacity, and flow rate of liquid is low, and fluid resistance loss is small, can effectively reduce The net positive suction head of pump, improves the suction of pump;When Severe blockage occurs for the present invention, scene can twist off band handle with hand without instrument Nut, hold the handle nut for being fixed on detachable drive end bearing bracket, you can easily remove detachable drive end bearing bracket then to pumping water Room is cleared up, without the other any parts for moving pipeline and pump.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Embodiment
The present invention is further described below in conjunction with Figure of description and embodiment.
As shown in figure 1, the rotational flow self-priming pump includes the pump housing 1, impeller 2, parts of bearings 3, pump cover 4, runner liner plate 5 and preceding End cap 6, pump body, which is divided, suction chamber 11, delivery chamber 12, fluid reservoir 13, air-water separation chamber 14;Suction chamber is located at drive end bearing bracket Connected between runner liner plate, and with the inlet pipeline for being connected to the pump housing, drive end bearing bracket is connected by handle nut 61 with the pump housing; Delivery chamber is relative with suction chamber level, and both interconnect via the duct in the center of runner liner plate 5;Pump cover 4 is located at liquid storage Between room and delivery chamber 12, parts of bearings 3 makes its end be located in delivery chamber 12 via fluid reservoir 13 through pump cover 4, so that axle The main body of bearing portion part is immersed in fluid reservoir 13;Impeller 2 is located at the end in delivery chamber with parts of bearings and is connected, impeller and runner No phyllocyst 121 is formed between liner plate, impeller 2 includes multiple blades 21 being distributed in around its center of rotation, and blade includes close The connecting portion of center of rotation and the homework department away from center of rotation, the width of homework department are more than connecting portion, and runner liner plate 5 is with making The relative part in industry portion is provided with the groove 51 of annular, so as to form enough recycle stream areas between blade and runner liner plate Domain;Air-water separation chamber 14 is located at the top of fluid reservoir 13 and connected with fluid reservoir, and the runner of delivery chamber passes through air-water separation chamber Connected with the output pipe 10 being connected on the pump housing.
The top of suction chamber 11 is provided with the intake antrum 15 positioned at air-water separation chamber side, and inlet pipeline 7 is connected into water The side of chamber, the bottom of intake antrum is connected with suction chamber.Filter plate 71 is provided between inlet pipeline 7 and intake antrum.
Parts of bearings 3 includes support housing 31, rotating shaft 32 and the bearing 33 being located in fluid reservoir, and rotating shaft can by bearing It is rotatably arranged in supporting shell body, the end of bearing is connected through pump cover with the impeller in delivery chamber.
The middle part of pump cover 4 is swelled to positioned at the side of fluid reservoir, and rotating shaft is through the bump pad hence into delivery chamber, and this is grand Sealing ring 9 is provided between rotating shaft at rising.Pump cover is with supporting the side of housing towards delivery chamber to be tightly connected.
The bottom of fluid reservoir 13 is provided with fluid hole 131, and fluid hole 131 is connected with the bottom of delivery chamber, so that in this hair Supplied water during bright startup to delivery chamber.Further, fluid reservoir, delivery chamber, the bottom of suction chamber are provided with the apocenosis passage of insertion 8, fluid hole 131 connects to connect with delivery chamber with apocenosis passage, and apocenosis passage has going out positioned at drive end bearing bracket bottom Mouthful, the exit is provided with dismountable plugging block 81, when needing to safeguard, can take out the plugging block and retain pump body Water discharge.
Most of solids is excluded via without phyllocyst during use of the present invention, does not enter impeller, and impeller will not be produced Abrasion;Without sealing ring at the impeller of the present invention, increase in the absence of the running clearance of the pump housing after abrasion and impeller, and cause pump performance The problem of decline;The characteristic of the liquid containing certain gas can be pumped using Turo pump simultaneously, expands the use scope of self priming pump; Parts of bearings outer surface is largely submerged in pump housing bottom fluid reservoir, during work, is cooled down by the liquid pumped, with preferable Cooling effect;The suction chamber of the present invention is designed using Large Copacity, and flow rate of liquid is low, and fluid resistance loss is small, can effectively reduce The net positive suction head of pump, improves the suction of pump;When Severe blockage occurs for the present invention, scene can twist off band handle with hand without instrument Nut, hold the handle nut for being fixed on detachable drive end bearing bracket, you can easily remove detachable drive end bearing bracket then to pumping water Room is cleared up, without the other any parts for moving pipeline and pump.

Claims (8)

1. a kind of rotational flow self-priming pump, it is characterised in that including the pump housing, impeller, parts of bearings, pump cover, runner liner plate and front end Lid, the pump body, which is divided, suction chamber, delivery chamber, fluid reservoir, air-water separation chamber;The suction chamber is located at drive end bearing bracket and stream Between road liner plate, and connected with the inlet pipeline for being connected to the pump housing, the drive end bearing bracket is connected by handle nut with the pump housing;Institute State that delivery chamber is relative with suction chamber level, and both interconnect via the duct in runner liner plate center;The pump cover is located at Between the fluid reservoir and the delivery chamber, the parts of bearings is located at its end via the fluid reservoir through the pump cover In delivery chamber, so that the main body of the parts of bearings is immersed in fluid reservoir;The impeller is located in delivery chamber with parts of bearings End connection, form no phyllocyst between impeller and runner liner plate, the impeller is distributed in around its center of rotation comprising multiple Blade, the blade include close to center of rotation connecting portion and away from center of rotation homework department, the homework department Width is more than the connecting portion, and the runner liner plate part relative with the homework department is provided with the groove of annular, so that Enough recycle stream regions are formed between blade and runner liner plate;The air-water separation chamber be located at the fluid reservoir top and Connected with the fluid reservoir, the runner of the delivery chamber connects through the air-water separation chamber and the output pipe being connected on the pump housing It is logical.
2. rotational flow self-priming pump according to claim 1, it is characterised in that be provided with above the suction chamber positioned at air water The intake antrum of separation chamber side, the inlet pipeline is connected to the side of intake antrum, and the bottom of intake antrum connects with the suction chamber It is logical.
3. rotational flow self-priming pump according to claim 2, it is characterised in that set between the inlet pipeline and the intake antrum It is equipped with filter plate.
4. rotational flow self-priming pump according to claim 1, it is characterised in that the parts of bearings includes being located in fluid reservoir Housing, rotating shaft and bearing are supported, the rotating shaft is rotatably arranged in supporting shell body by bearing, and the end of rotating shaft is passed through The pump cover is connected with the impeller in delivery chamber.
5. rotational flow self-priming pump according to claim 4, it is characterised in that the middle part of the pump cover is to positioned at the one of fluid reservoir Side is swelled, and the rotating shaft, hence into delivery chamber, sealing ring is provided between the bump pad and rotating shaft through the bump pad.
6. rotational flow self-priming pump according to claim 4, it is characterised in that the pump cover is extruded with the support housing direction The side of room is tightly connected.
7. rotational flow self-priming pump according to claim 1, it is characterised in that the bottom of the fluid reservoir is provided with fluid hole, The fluid hole is connected with the bottom of the delivery chamber.
8. rotational flow self-priming pump according to claim 7, it is characterised in that the fluid reservoir, delivery chamber, the bottom of suction chamber The apocenosis passage of insertion is provided with, the fluid hole connects to connect with the delivery chamber with the apocenosis passage, and arranges Liquid passage has positioned at the outlet of the drive end bearing bracket bottom, and the exit is provided with dismountable plugging block.
CN201510141392.8A 2015-03-30 2015-03-30 A kind of rotational flow self-priming pump Active CN104763641B (en)

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CN104763641B true CN104763641B (en) 2017-08-25

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
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CN105179306B (en) * 2015-10-14 2017-06-06 江苏国泉泵业制造有限公司 A kind of semi-open type grinds impeller of pump Hydraulic Design Method
CN108916063A (en) * 2018-06-28 2018-11-30 陕西科技大学 A kind of fibre-bearing class impurity sewage delivery pump
CN108916064A (en) * 2018-06-28 2018-11-30 陕西科技大学 A kind of sewage pump
CN108869315B (en) * 2018-07-03 2019-04-12 江苏创进泵阀制造有限公司 A kind of No leakage anti-clogging oil SAPMAC method formula high efficiency synchronous intelligence self priming pump

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0460597B1 (en) * 1990-06-08 1995-01-18 CALPEDA S.p.A. Single impeller centrifugal pump with a peripheral-longitudinal diffuser
CN2323180Y (en) * 1997-12-18 1999-06-09 杨大贤 Non-blocking self-priming sewage pump
CN2332833Y (en) * 1997-11-20 1999-08-11 永嘉县瓯北天山机电设备厂 Self-sucking turbulence non-clogging pollution discharge pump
EP0879360B1 (en) * 1996-11-27 2001-06-20 CALPEDA S.p.A. Diffuser and conveyor device for a single-impeller centrigugal self-priming pump
CN201133356Y (en) * 2007-09-29 2008-10-15 上海连成(集团)有限公司 Self-suction centrifugal pump structural optimization and improvement
CN202768407U (en) * 2012-09-20 2013-03-06 宁波大红鹰学院 Special self-priming pump
CN204572472U (en) * 2015-03-30 2015-08-19 强胜精密机械(苏州)有限公司 A kind of rotational flow self-priming pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0460597B1 (en) * 1990-06-08 1995-01-18 CALPEDA S.p.A. Single impeller centrifugal pump with a peripheral-longitudinal diffuser
EP0879360B1 (en) * 1996-11-27 2001-06-20 CALPEDA S.p.A. Diffuser and conveyor device for a single-impeller centrigugal self-priming pump
CN2332833Y (en) * 1997-11-20 1999-08-11 永嘉县瓯北天山机电设备厂 Self-sucking turbulence non-clogging pollution discharge pump
CN2323180Y (en) * 1997-12-18 1999-06-09 杨大贤 Non-blocking self-priming sewage pump
CN201133356Y (en) * 2007-09-29 2008-10-15 上海连成(集团)有限公司 Self-suction centrifugal pump structural optimization and improvement
CN202768407U (en) * 2012-09-20 2013-03-06 宁波大红鹰学院 Special self-priming pump
CN204572472U (en) * 2015-03-30 2015-08-19 强胜精密机械(苏州)有限公司 A kind of rotational flow self-priming pump

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