CN207634342U - A kind of spiral submersible sewage pump - Google Patents
A kind of spiral submersible sewage pump Download PDFInfo
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- CN207634342U CN207634342U CN201721808105.5U CN201721808105U CN207634342U CN 207634342 U CN207634342 U CN 207634342U CN 201721808105 U CN201721808105 U CN 201721808105U CN 207634342 U CN207634342 U CN 207634342U
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- impeller
- submersible sewage
- sewage pump
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- spiral
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Abstract
The utility model provides a kind of spiral submersible sewage pump, belong to submersible sewage pump technical field, including the pump housing and motor, motor is set at the top of the pump housing and connection coaxial with the pump housing, and pump housing lower part is equipped with impeller cavity, impeller is equipped in impeller cavity, impeller contains there are one blade, and blade is arranged around the lower end spiral of the output shaft of motor, and the thickness of blade is successively decreased from root to taper, the diameter of impeller is incremented by from bottom to top, and the screw pitch of impeller is incremented by from bottom to top.A kind of spiral submersible sewage pump provided by the utility model, using single blade screw impeller, single blade forms big channel, in addition inlet guide and the screw propulsion effect of screw type impeller, so that the circulation and anti-tangle property of submersible sewage pump improve, the liquid that can transport dirt containing bulky grain and fibrous matter, for conveying various sewage, mud, paper pulp and other two-phase solid-liquid fluids.
Description
Technical field
The utility model belongs to submersible sewage pump technical field, is to be related to a kind of spiral submersible sewage pump more specifically.
Background technology
Submersible sewage pump is a kind of pump and motor disjunctor, and slips into the pump class product to work under liquid simultaneously, with general horizontal pump or
Vertical sump pump is compared, and submersible sewage pump obviously has the advantages that the following aspects：1, compact-sized, floor space is small, submersible sewage pump
It works, can be directly mounted in cesspool due to slipping under liquid, pump and motor are installed without building special pump house, it can
To save a large amount of soil and capital cost；2, convenient to install and maintain, small-sized submersible sewage pump can be installed freely, large-scale latent dirt
Pump, which is typically equipped with automatic coupling device, to be installed automatically, and it is quite convenient to install and repair；3, continuous operation time is long,
Submersible sewage pump is due to pump and motor coaxle, and axis is short, and rotatable parts are light-weight, therefore the load (radial direction) born on bearing is relatively
Small, the service life is long more than generally pumping；4, the problems such as cavitation damage and water is not present, especially latter point is to operating personnel
Bring prodigious convenience；5, vibration noise is small, and motor temperature rise is low, environmentally safe.
Due to the above advantage, submersible sewage pump is increasingly valued by people, and use scope is more and more wider, by original
It is simple be used for conveying clear water till now can convey various sanitary sewages, industrial wastewater, construction site draining, liquid feed
Deng serving in every profession and trades such as municipal works, industry, hospital, building, restaurant, water conservancy constructions highly important.
Traditional submersible sewage pump, generally multiple-blade, non-helical formula structure, impeller channel is narrow, and trafficability performance is poor, is transporting
When the liquid of dirt containing bulky grain and fibrous matter, it be easy to cause blocking.
Utility model content
The purpose of this utility model is to provide a kind of spiral submersible sewage pumps, to solve existing in the prior art transporting
The technical issues of blocking being be easy to cause when the liquid of dirt containing bulky grain and fibrous matter.
To achieve the above object, the technical solution adopted in the utility model is：A kind of spiral submersible sewage pump, including the pump housing and
Motor, the motor is set at the top of the pump housing and connection coaxial with the pump housing, and the pump housing lower part is equipped with impeller cavity, institute
It states and is equipped with impeller in impeller cavity, it is characterised in that：The impeller is containing there are one blade, output shaft of the blade around the motor
The setting of lower end spiral, the thickness of the blade successively decreases from root to taper, and the diameter of the impeller is incremented by from bottom to top, institute
The screw pitch for stating impeller is incremented by from bottom to top.
Further, the root of the blade is equipped with sleeve, and the sleeve is rounding stage body, and the sleeve is fixed on described
The lower end of output shaft.
Further, the root of the blade is fixedly connected with the outer surface of the sleeve.
Further, the lower end of the impeller is equipped with the impeller locknut for fastening the impeller, the impeller locknut
It is arranged in the bottom of the output shaft.
Further, the bottom of the impeller cavity is equipped with inlet, side wall is equipped with liquid outlet, the inlet and liquid outlet
It is connected to the impeller cavity.
Further, the center line of the inlet and the liquid outlet is mutually perpendicular to.
Further, inlet described in the bottom face of the impeller, the top of the impeller is close to the liquid outlet.
Further, between the inlet and the impeller cavity be equipped with feed pathway, the inner wall of the feed pathway with
The taper clearance fit of the impeller.
Further, the output shaft is equipped with the mechanical seal set for preventing liquid from entering the pump housing top.
A kind of advantageous effect of spiral submersible sewage pump provided by the utility model is：Compared with prior art, this practicality
A kind of novel spiral submersible sewage pump, using single blade screw impeller, single blade forms big channel, and screw type impeller into
Mouth is oriented to and screw propulsion effect so that the circulation of submersible sewage pump and anti-tangle property improve, transportable dirt containing bulky grain and fiber
The liquid of substance, for conveying various sewage, mud, paper pulp and other two-phase solid-liquid fluids.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for spiral submersible sewage pump that the utility model embodiment provides；
Wherein, each reference numeral in figure：
The 1- pump housings；2- motors；3- impeller cavities；4- impellers；41- blades；42- sleeves；5- output shafts；6- impeller locknuts；7-
Inlet；8- liquid outlets；9- mechanical seal sets；10- feed pathways.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, does not indicate or imply the indicated device or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple ", " several " are meant that two in the description of the present invention,
It is a or more than two, unless otherwise specifically defined.
Referring to Fig. 1, existing illustrate a kind of spiral submersible sewage pump provided by the utility model.A kind of spiral latent dirt
Pump, including the pump housing 1 and motor 2, the pump housing 1 are vertically placed, and motor 2 is located at the top of the pump housing 1, and the output shaft 5 of motor 2 runs through
The pump housing 1, motor 2 will produce stronger vibration in running, in order to keep operation stability of the output shaft 5 in the pump housing 1, in the pump housing
Multi-layer bearing is arranged around output shaft 5 in 1 inside.The lower part of the pump housing 1 is equipped with impeller cavity 3, and impeller cavity 3 conveys liquid as submersible sewage pump
Channel, be equipped with impeller 4 in the impeller cavity 3, impeller 4 is single blade screw impeller, the setting of impeller 4 in 5 lower end of output shaft,
And impeller 4 is coaxial with output shaft 5, and there are one 41, the blades of impeller 4, and blade 41 is arranged around the lower end spiral of output shaft 5,
The helical duct that blade 41 is formed sucks the circulation passage of liquid as submersible sewage pump, and liquid enters after submersible sewage pump between blade 41
Helical duct flowing, then flow out undercurrent pump.The thickness of blade 41 is gradually thinning from root to taper, and the diameter of impeller 4 is under
Gradually increasing upwards, the screw pitch of impeller 4 also gradually increases from bottom to top, and this design can play and gradually increase area of passage,
The effect for reducing flow velocity, solves the problems, such as that water conservancy is unbalanced.
A kind of spiral submersible sewage pump provided by the utility model, compared with prior art, using single blade screw impeller,
Single blade forms big channel, and the inlet guide of screw type impeller and screw propulsion effect so that the circulation of submersible sewage pump and
Anti-tangle property improves, and can transport the liquid of dirt containing bulky grain and fibrous matter, for convey various sewage, mud, paper pulp and its
His two-phase solid-liquid fluid.
Preferably, the root of blade 41 is equipped with sleeve 42, sleeve 42 collectively constitutes the impeller 4 of submersible sewage pump with blade 41,
Sleeve 42 is rounding stage body, and sleeve 42 is to be internally provided with the through-hole for accommodating output shaft 5, and the lower end of through-hole and output shaft 5 matches
It closes, sleeve 42 can be kept fixed after being sleeved on 5 lower end of output shaft, and when motor 2 rotates, output shaft 5 can be with moving sleeve 42
It is rotated with identical angular speed.
Preferably, the root weld of blade 41, in the outer surface of sleeve 42, welding manner uses two-sided full weld, ensures leaf
Bonding strength between piece 41 and sleeve 42.It should be noted that blade 41 and sleeve 42 can also be integrally casting shaping.
Preferably, the lower end of impeller 4 is equipped with the impeller locknut 6 for fastening impeller 4, the specific peace of impeller locknut 6
Holding position is the lower surface installation for being close to sleeve 42 in the lower end of sleeve 42, and impeller locknut 6 is inverted pyramidal structures, under sleeve 42
Surface is hatch frame, and the lower end of output shaft 5 stretches out one small section from the lower surface of sleeve 42, and output shaft 5 stretches out 42 following table of sleeve
The part in face, which adds, attacks one section of external screw thread, groove is arranged in 6 upper surface of impeller locknut, the internal diameter and depth of groove are with reference to output shaft 5
The part that stretching sets sleeve 42 is configured, and the side wall of groove adds tapping thread, the external screw thread phase of internal thread and output shaft 5
Match, after sleeve 42 is sleeved on 5 lower end of output shaft and is fixed, impeller locknut 6 is mounted on 42 lower section of sleeve, impeller locknut 6
It is threadedly coupled with output shaft 5, after impeller locknut 6 screws, the lower surface of sleeve 42 is close in the upper surface of impeller locknut 6.Leaf is installed
After taking turns locknut 6, impeller 4 is limited in rotation process to bottom offset, prevents impeller 4 from being got loose with respect to output shaft 5.
Preferably, opening up inlet 7 in the bottom of impeller cavity 3, the side wall of impeller cavity 3 opens up liquid outlet 8, inlet 7
It is connected to impeller cavity 3 with liquid outlet 8, submersible sewage pump is in vertical shape body and works, and inlet 7 is arranged in bottom, is avoided
After liquid level drops to 7 or less inlet, submersible sewage pump can not continue to extract liquid, and the solid particulate matter in waste liquid is generally all heavy
Inlet 7 is arranged behind submersible sewage pump bottom in bottom, the solid particulate matter for being deposited on waste liquid bottom can effectively be discharged by product,
The side wall in impeller cavity 3 is arranged in liquid outlet 8, and connects outlet pipe by connecting flange, and the liquid extracted through submersible sewage pump is by going out
Liquid mouth 8 enters outlet pipe, into next step treatment process.
Preferably, 7 face impeller 4 of inlet is horizontally disposed, the axis of inlet 7 is overlapped with the center line of impeller 4, liquid
Body is directly over impeller 4 after inlet 7 enters impeller cavity 3 and carries out water conservancy diversion, and liquid is after the water conservancy diversion of impeller 4, from impeller 4
Impeller 4 is discharged in side, so liquid outlet 8 is vertically arranged, impeller cavity 3 is discharged in liquid face liquid outlet 8 after impeller 4.
Preferably, 7 top of inlet connects feed pathway 10, the side wall of feed pathway 10 is set according to the taper of blade 41
Meter, it is ensured that after impeller 4 is installed in place, the taper of blade 41 is not in contact with the inner wall of feed pathway 10 and spacing is unsuitable
Excessive, the ideal spacing of inner wall of blade 41 and feed pathway 10 is 0.1mm-0.5mm, after keeping such spacing, 4 turns of impeller
Will not both rub with feed pathway 10 during dynamic, also ensure impeller 4 to the guide functions of liquid not by blade 41 and
Gap dispersion between the inner wall of feed pathway 10, it is ensured that flow-guiding channel circulation of the liquid through impeller 4 is unobstructed.
Preferably, the output shaft 5 in 1 intersection of impeller cavity 3 and the pump housing, which is equipped with mechanical seal, covers 9, prevent in impeller cavity 3
Liquid along output shaft 5 enter the pump housing 1 inside, the part pump housing 1 inside is caused to corrode, be also prevented from liquid along output shaft entrance
Motor 2 damages motor 2.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (9)
1. a kind of spiral submersible sewage pump, including the pump housing and motor, the motor is set at the top of the pump housing and is total to the pump housing
Axis connection, the pump housing lower part are equipped with impeller cavity, impeller are equipped in the impeller cavity, it is characterised in that：The impeller contains one
A blade, the blade is around the lower end spiral setting of the output shaft of the motor, and the thickness of the blade is from root to taper
Successively decrease, the diameter of the impeller is incremented by from bottom to top, and the screw pitch of the impeller is incremented by from bottom to top.
2. a kind of spiral submersible sewage pump as described in claim 1, it is characterised in that：The root of the blade is equipped with sleeve, institute
It is rounding stage body to state sleeve, and the sleeve is fixed on the lower end of the output shaft.
3. a kind of spiral submersible sewage pump as claimed in claim 2, it is characterised in that：The root of the blade and the sleeve
Outer surface is fixedly connected.
4. a kind of spiral submersible sewage pump as claimed in claim 3, it is characterised in that：The lower end of the impeller is equipped with for tight
Gu the impeller locknut of the impeller, the impeller locknut is arranged in the bottom of the output shaft.
5. a kind of spiral submersible sewage pump as described in claim 1, it is characterised in that：The bottom of the impeller cavity is equipped with feed liquor
Mouth, side wall are equipped with liquid outlet, and the inlet and liquid outlet are connected to the impeller cavity.
6. a kind of spiral submersible sewage pump as claimed in claim 5, it is characterised in that：In the inlet and the liquid outlet
Heart line is mutually perpendicular to.
7. a kind of spiral submersible sewage pump as claimed in claim 6, it is characterised in that：Feed liquor described in the bottom face of the impeller
Mouthful, the top of the impeller is close to the liquid outlet.
8. a kind of spiral submersible sewage pump as claimed in claim 7, it is characterised in that：Between the inlet and the impeller cavity
Equipped with feed pathway, the taper clearance fit of the inner wall of the feed pathway and the impeller.
9. such as a kind of spiral submersible sewage pump of claim 1-8 any one of them, it is characterised in that：The output shaft is equipped with and prevents
Liquid enters the mechanical seal set on the pump housing top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808105.5U CN207634342U (en) | 2017-12-21 | 2017-12-21 | A kind of spiral submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808105.5U CN207634342U (en) | 2017-12-21 | 2017-12-21 | A kind of spiral submersible sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634342U true CN207634342U (en) | 2018-07-20 |
Family
ID=62853525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721808105.5U Active CN207634342U (en) | 2017-12-21 | 2017-12-21 | A kind of spiral submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634342U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107509A (en) * | 2019-05-08 | 2019-08-09 | 南洋泵业（青岛）有限公司 | A kind of activated sludge delivery pump |
| CN111336109A (en) * | 2020-03-11 | 2020-06-26 | 河北邢津泵业有限公司 | High-efficient non-clogging screw pump |
| CN114278573A (en) * | 2021-12-24 | 2022-04-05 | 江苏泰丰泵业有限公司 | Dry type sewage pump |
-
2017
- 2017-12-21 CN CN201721808105.5U patent/CN207634342U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107509A (en) * | 2019-05-08 | 2019-08-09 | 南洋泵业（青岛）有限公司 | A kind of activated sludge delivery pump |
| CN111336109A (en) * | 2020-03-11 | 2020-06-26 | 河北邢津泵业有限公司 | High-efficient non-clogging screw pump |
| CN114278573A (en) * | 2021-12-24 | 2022-04-05 | 江苏泰丰泵业有限公司 | Dry type sewage pump |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050051 No. 81, cooperation Road, Shijiazhuang, Hebei Patentee after: Hebei Mechanical Research and Design Institute Co.,Ltd. Address before: 050051 No. 81, cooperation Road, Shijiazhuang, Hebei Patentee before: MECHANICAL SCIENCE RESEARCH & DESIGN INSTITUTE OF HEBEI PROVINCE |