CN108708860A - A kind of vertical submerged pump with automatic liquid-drainage function - Google Patents
A kind of vertical submerged pump with automatic liquid-drainage function Download PDFInfo
- Publication number
- CN108708860A CN108708860A CN201810795540.1A CN201810795540A CN108708860A CN 108708860 A CN108708860 A CN 108708860A CN 201810795540 A CN201810795540 A CN 201810795540A CN 108708860 A CN108708860 A CN 108708860A
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- liquid
- pump case
- circumferential direction
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Abstract
The present invention relates to a kind of vertical submerged pump with automatic liquid-drainage function, including pump case and vertical pump shaft, pump case includes the pump cover and the pump housing fastened up and down；The upper end of pump shaft connects motor, lower end passes through pump cover and is connect with the impeller in pump case, the lower surface of the pump housing offers water inlet, water inlet upwardly extend and and pump case in impeller circumferential direction water dumping corresponding with impeller space be connected to, the lower surface in impeller circumferential direction water dumping space is the inclined surface continuously decreased towards water inlet；The upper surface of pump cover be by pump shaft pass through position centered on inclined surface made of slope around；On pump cover for pump shaft across hole inner wall rotor corresponding in hole have gap.The present invention considers the automatic of remaining liquid and excludes and have matched corresponding construction from many aspects, and when pump is proposed from pumping liquid, remaining liquid is all automatic under the effect of gravity to be excluded；Without exclusively carrying out drain operation, process is avoided to omit；It ensure that follow-up work is smooth, ensured personal safety.
Description
Technical field
The invention belongs to the technical fields of non-varactor pump, and in particular under a kind of vertical solution with automatic liquid-drainage function
Pump.
Background technology
Centrifugal pump is the pump that the centrifugal force generated when being rotated by impeller carrys out trandfer fluid, and fluid is inhaled into from water inlet, from
Water outlet is pumped out.When work, pump shaft drives the impeller high speed rotation in pump case, and under the action of the centrifugal force, fluid is in pump case
Impeller circumferential direction water dumping corresponding with impeller is thrown toward impeller outer edge in space, being connected to impeller circumferential direction water dumping space through pump case
Scroll casing type discharge runner is pumped out from water outlet, at impeller center, then negative pressuren zone, extraneous fluid is formed after being thrown out of because of fluid
It is inhaled under pressure from water inlet, impeller can not stall so that fluid constantly sucking and discharge under the action of impeller,
Achieve the purpose that trandfer fluid.
The principle of vertical submerged pump is identical as above-mentioned principle, referring to the existing vertical submerged pump of attached drawing 3, only its pump shaft 1
It is in vertical direction to be, its entire pump case 2 need to be placed in the liquid of pumping when work, and in overhaul or other is needed pump case 2
When the case where being taken out from liquid, the pump after taking-up is not clean usually with a large amount of corresponding liquid, and dimension is safeguarded to follow-up dismantling
It the work such as repaiies and causes difficulty, it is number especially when pumping liquid and being toxic, easy crystallization and freezing or have the fluid media (medium) of irradiation
It is tired, or even the body of operating personnel is damaged.In fact, according to the principle that Water seeks its own level, as long as by vertical after taking-up
Submerged pump is tilted from multi-angle, is rocked repeatedly, so that it may so that the remaining liquid discharge that pump is taken out of, but operating personnel are often because of fiber crops
It is tired of or has directly been ignored as the operation, just feels to chase after after causing dismantling maintenance and repair operational difficulties even to cause physical impairment
It is too late to repent, thus, it is necessary to which vertical submerged pump of the band from draining function is arranged.
Invention content
For the above-mentioned deficiency of the prior art, the technical problem to be solved in the present invention is to provide one kind carrying automatic drain work(
Can vertical submerged pump, avoid the pump case of vertical submerged pump after being taken out in liquid, with a large amount of remaining liquid waters be not easy discharge to
Follow-up work brings difficult problem, and extraction raffinate can be automatically drained out without exclusively carrying out drain operation by obtaining, and ensure follow-up work
Effect that is smooth and ensureing operating personnel's personal safety.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of vertical submerged pump with automatic liquid-drainage function, including pump case and vertical pump shaft, the pump case include detaining up and down
The pump cover and the pump housing of conjunction；The upper end of the pump shaft connects motor, and lower end passes through the pump cover and connect with the impeller in pump case
Rotated with impeller, the lower surface of the pump housing offers water inlet, the water inlet upwardly extend and in pump case and leaf
Corresponding impeller circumferential direction water dumping space connection is taken turns, the lower surface in the impeller circumferential direction water dumping space is gradual towards the water inlet
The inclined surface of reduction is so that the remaining liquid in pump case can all be discharged under the effect of gravity.
Liquid has been easiest in pump case to remain and be not easy directly to be found, vertical submerged pump of the invention, when
When being proposed from pumping liquid（Usually propose straight up）, the liquid remained in pump case under the effect of gravity, from water inlet
Automatic all discharges, exclusively carry out drain operation without operating personnel, avoid the artificial omission of operational sequence；Stream is remained in pump case
Matter is all discharged automatically, the work such as follow-up dismantling maintenance and repair will not be given to cause difficulty, it is toxic, easy to also avoid pumping liquid
Crystallization and freezing or when having the fluid media (medium) of irradiation may caused by operating personnel physical impairment, ensure that the smooth of follow-up work
It carries out, guaranteeing role is also functioned to operating personnel's personal safety.
Above-mentioned technical proposal is further improved, the upper surface of the pump cover is to be put around centered on position by pump shaft
Inclined surface made of slope is to avoid ponding on pump cover.
In this way, being automatically drained out outer in addition to remaining liquid in pump case, while also avoiding in the remaining liquid in the top of pump case, when from
When being proposed in pumping liquid, the surrounding of the liquid automatic stream pump cover outside pump case will not be formed remaining.
Further, on the pump cover for pump shaft across hole inner wall rotor corresponding in hole have gap.
There is liquid to remain in the hole of pump cover in this way, further avoiding the pump shaft for being not easy to be noticed, liquid is in gravity
It flows in impeller circumferential direction water dumping space from the gap under effect, then is automatically drained out from water inlet.
Further, the pump cover is equipped with electric machine support and connects the motor by the electric machine support, described
Electric machine support encloses the cell structure for setting a circle to avoid ponding for the circumferential direction in pump shaft；Interconnecting piece has been installed in the electric machine support
And it is connect with increasing pump shaft rotation dynamic stability with pump shaft by the interconnecting piece and bearing.
In this way, can avoid having liquid remaining in the electric machine support in part in closed tube shape, consider comprehensive；In electric machine support
Installed interconnecting piece and connect with pump shaft by the interconnecting piece and bearing, can increasing pump shaft rotation it is dynamic when stability, reduce pump
Vibration in the course of work, though on pump cover for pump shaft across hole inner wall rotor corresponding in hole be arranged between
Gap will not influence the stability of pump work without connecting bearing.
Further, offer water outlet on the pump case, the water outlet by discharge runner in pump case with it is described
Impeller circumferential direction water dumping space is connected to, and the lower surface of the discharge runner is the inclination for continuously decreasing or gradually rising along water (flow) direction
Face is to avoid discharge runner internal water accumulation.
Consider possible remaining liquid in discharge runner in this way, taking into account, avoid having in discharge runner liquid remaining, when from pump
It send when being proposed in liquid, if the lower surface of discharge runner is along the inclined surface that water (flow) direction continuously decreases, remaining liquid exists
It is discharged from water outlet under gravity, if the lower surface of discharge runner is along the inclined surface that water (flow) direction gradually rises,
Remaining liquid is flowed in impeller circumferential direction water dumping space, then is automatically drained out from water inlet under the effect of gravity.
Compared with prior art, the present invention has the advantages that：
The vertical submerged pump of the present invention is from inhalation flow, pump case inner space, discharge runner, pump case shape and electric machine support etc.
Various aspects have fully considered the automatic exclusion of remaining liquid, have matched corresponding structural form, ensure to propose from pumping liquid
When, remain liquid under the effect of gravity, it is all automatic to exclude；Without exclusively carrying out drain operation, the artificial of operational sequence is avoided
It omits；
Remaining liquid is all automatic to be excluded, and the work such as follow-up dismantling maintenance and repair will not be given to cause difficulty, also avoid pump flow
Matter when being toxic, easy crystallization and freezing or having a fluid media (medium) of irradiation may caused by operating personnel physical impairment, after ensure that
The smooth progress of continuous work, has ensured the personal safety of personnel, has eliminated security risk.
Description of the drawings
A kind of structural schematic diagram of vertical submerged pump with automatic liquid-drainage function of Fig. 1-specific embodiment；
A kind of drainage path design sketch of vertical submerged pump with automatic liquid-drainage function of Fig. 2-specific embodiment；
The schematic diagram of the existing vertical submerged pumps of Fig. 3-；
Wherein, pump shaft 1, pump case 2, the pump housing 21, water inlet 211, pump cover 22, impeller circumferential direction water dumping space 23, water outlet 24 spue
Runner 25, impeller 3, electric machine support 4, interconnecting piece 41, gap 5, bearing 6.
Specific implementation mode
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of vertical submerged pump with automatic liquid-drainage function of specific embodiment, including pump case 2 and vertical
Pump shaft 1, the pump case 2 includes the pump cover 22 that fastens up and down and the pump housing 21；The upper end of the pump shaft 1 connects motor（In figure
It is not shown）, lower end is passed through the pump cover 22 and is connect with the impeller 3 in pump case 2 and rotated with impeller 3, on the pump cover 22
It is connected with electric machine support 4 and the motor is connected by the electric machine support 4, the electric machine support 4 is the circumferential direction in pump shaft 1
The cell structure for setting a circle is enclosed to avoid ponding；The upper surface of the pump cover 22 be by pump shaft 1 pass through position centered on around
Inclined surface made of slope to avoid ponding on pump cover 22, i.e., the upper surface of pump cover 22 be by pump shaft 1 pass through position centered on to
The inclined surface that surrounding continuously decreases；The lower surface of the pump housing 21 offers water inlet 211, and the water inlet 211 upwardly extends
And it is connected to interior impeller circumferential direction water dumping corresponding with impeller 3 space 23 of pump case 2, the lower surface in the impeller circumferential direction water dumping space 23
It is the inclined surface that is continuously decreased towards the water inlet 211 so that the remaining liquid in pump case 2 can be arranged all under the effect of gravity
Go out；Offer water outlet 24 on the pump case 2, the water outlet 24 passes through discharge runner 25 in pump case 2 and impeller week
It is connected to water dumping space 23, the lower surface of the discharge runner 25 is along the inclined surface that water (flow) direction continuously decreases to avoid discharge
25 internal water accumulation of runner.
Referring to Fig. 2, when being proposed from pumping liquid（Figure lower dotted line illustrates that pumping liquid）, remain in pump case 2
Liquid under the effect of gravity, from four of the liquid automatic stream pump cover 22 outside the automatic all discharges of water inlet 211, pump case 2
Week and excludes, electric machine support 4 is cell structure, and inside there will not be that liquid is remaining, and the remaining liquid in discharge runner 25 is weighing
It is discharged from water outlet 24 under force effect；Remaining liquid excludes automatically, and the work such as follow-up dismantling maintenance and repair will not to cause to be stranded
Difficulty, also avoiding may be caused by operating personnel when pumping liquid is toxic, easy crystallization and freezing or has the fluid media (medium) of irradiation
Physical impairment ensure that the smooth progress of follow-up work, ensure the personal safety of personnel, eliminate security risk；Meanwhile nothing
Drain operation need to be exclusively carried out again, avoid the artificial omission of operational sequence.
Wherein, on the pump cover 22 for pump shaft 1 across hole inner wall rotor corresponding in hole have gap 5,
There is liquid to remain in the hole of pump cover 22 in this way, further avoiding the pump shaft for being not easy to be noticed 1, liquid is under the effect of gravity
It is flowed in impeller circumferential direction water dumping space 23 from the gap 5, then be automatically drained out from water inlet 211；It is corresponding, the electric machine support 4
It has inside installed interconnecting piece 41 and has been connect with pump shaft 1 to increase by 1 rotational stability of pump shaft by the interconnecting piece 41 and bearing 6, subtracted
Vibration during small pump work will not influence the stabilization of pump work even if being not connected with bearing 6 between pump cover 22 and pump shaft 1
Property.
When implementation, discharge runner 25 can be scroll casing type runner, not influence the discharge of remaining liquid；Under discharge runner 25
Surface may be, when being proposed from pumping liquid, to remain liquid then in gravity along the inclined surface that water (flow) direction gradually rises
It is flowed under effect in impeller circumferential direction water dumping space 23, then be automatically drained out from water inlet 211, equally reaches discharge effect.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (5)
1. a kind of vertical submerged pump with automatic liquid-drainage function, including pump case（2）With vertical pump shaft（1）, the pump case（2）
Including the pump cover fastened up and down（22）And the pump housing（21）；The pump shaft（1）Upper end connect motor, lower end pass through the pump cover
（22）And and pump case（2）Interior impeller（3）Connection is with impeller（3）Rotation, the pump housing（21）Lower surface offer into
The mouth of a river（211）, the water inlet（211）Upwardly extend and and pump case（2）Interior and impeller（3）Corresponding impeller circumferential direction water dumping space
（23）Connection, it is characterised in that：The impeller circumferential direction water dumping space（23）Lower surface be towards the water inlet（211）Gradually
The inclined surface of reduction is so that pump case（2）Interior remaining liquid can all be discharged under the effect of gravity.
2. a kind of vertical submerged pump with automatic liquid-drainage function according to claim 1, it is characterised in that：The pump cover
（22）Upper surface be with pump shaft（1）Centered on position around inclined surface made of slope to avoid pump cover（22）Upper product
Water.
3. a kind of vertical submerged pump with automatic liquid-drainage function according to claim 1, it is characterised in that：The pump cover
（22）On for pump shaft（1）Across hole inner wall rotor corresponding in hole have gap（5）.
4. according to a kind of any one of claim 1-3 vertical submerged pumps with automatic liquid-drainage function, it is characterised in that：Institute
State pump cover（22）It is equipped with electric machine support（4）And pass through the electric machine support（4）Connect the motor, the electric machine support
（4）For in pump shaft（1）Circumferential direction enclose the cell structure for setting a circle to avoid ponding；The electric machine support（4）Connection is inside installed
Portion（41）And pass through the interconnecting piece（41）And bearing（6）With pump shaft（1）Connection is to increase pump shaft（1）Rotational stability.
5. a kind of vertical submerged pump with automatic liquid-drainage function according to claim 1, it is characterised in that：The pump case
（2）On offer water outlet（24）, the water outlet（24）Pass through pump case（2）Interior discharge runner（25）With impeller circumferential direction
Water dumping space（23）Connection, the discharge runner（25）Lower surface be the inclination for continuously decreasing or gradually rising along water (flow) direction
Face is to avoid discharge runner（25）Internal water accumulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795540.1A CN108708860A (en) | 2018-07-19 | 2018-07-19 | A kind of vertical submerged pump with automatic liquid-drainage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795540.1A CN108708860A (en) | 2018-07-19 | 2018-07-19 | A kind of vertical submerged pump with automatic liquid-drainage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108708860A true CN108708860A (en) | 2018-10-26 |
Family
ID=63874169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810795540.1A Pending CN108708860A (en) | 2018-07-19 | 2018-07-19 | A kind of vertical submerged pump with automatic liquid-drainage function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708860A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2934128Y (en) * | 2006-08-28 | 2007-08-15 | 李睿思 | New type grease liquid extracting bottle |
| CN102927017A (en) * | 2012-12-04 | 2013-02-13 | 江苏江进泵业有限公司 | Submerged pump with magnetic bearing |
| CN106824680A (en) * | 2017-03-20 | 2017-06-13 | 合肥京东方光电科技有限公司 | A kind of waste discharge liquid bath and gap nozzle cleaning device for gap nozzle |
| CN107035906A (en) * | 2017-01-17 | 2017-08-11 | 吉林省众鑫汽车装备有限公司 | A kind of automatically cleaning fluid flow directional control valve |
| CN208416981U (en) * | 2018-07-19 | 2019-01-22 | 重庆水泵厂有限责任公司 | Vertical submerged pump with automatic liquid-drainage function |
-
2018
- 2018-07-19 CN CN201810795540.1A patent/CN108708860A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2934128Y (en) * | 2006-08-28 | 2007-08-15 | 李睿思 | New type grease liquid extracting bottle |
| CN102927017A (en) * | 2012-12-04 | 2013-02-13 | 江苏江进泵业有限公司 | Submerged pump with magnetic bearing |
| CN107035906A (en) * | 2017-01-17 | 2017-08-11 | 吉林省众鑫汽车装备有限公司 | A kind of automatically cleaning fluid flow directional control valve |
| CN106824680A (en) * | 2017-03-20 | 2017-06-13 | 合肥京东方光电科技有限公司 | A kind of waste discharge liquid bath and gap nozzle cleaning device for gap nozzle |
| CN208416981U (en) * | 2018-07-19 | 2019-01-22 | 重庆水泵厂有限责任公司 | Vertical submerged pump with automatic liquid-drainage function |
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