CN203430860U - Guide vane fixing mechanism of submersible pump - Google Patents
Guide vane fixing mechanism of submersible pump Download PDFInfo
- Publication number
- CN203430860U CN203430860U CN201320401461.0U CN201320401461U CN203430860U CN 203430860 U CN203430860 U CN 203430860U CN 201320401461 U CN201320401461 U CN 201320401461U CN 203430860 U CN203430860 U CN 203430860U
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- CN
- China
- Prior art keywords
- spacer
- guide vane
- coupling shaft
- fixed groove
- submersible pump
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a guide vane fixing mechanism of a submersible pump. The guide vane fixing mechanism comprises a front guide vane, a pump head screw and a connecting shaft, wherein one end of the connecting shaft is connected with a motor, the front guide vane is arranged on the connecting shaft in a sleeved mode, the pump head screw is arranged on the other side, opposite to the motor, of the front guide vane, the portion, arranged on the connecting shaft in a sleeved mode, of the front guide vane is a connecting portion, a positioning piece is arranged on the connecting shaft in a sleeved mode, the connecting portion is fixedly connected with the connecting shaft through the positioning piece, a fixing groove is formed in an inner wall, opposite to the connecting shaft, of the connecting portion, and a fixing sealing piece is arranged in the fixing groove. A pump body screw is arranged on the other side, opposite to the motor, of the front guide vane and can play a role in limiting the guide vane in operation, the connecting portion of the front guide vane and the connecting shaft are positioned through the positioning piece, the front guide vane is positioned axially, jumping of the front guide vane on the connecting shaft is prevented, the fixing groove is formed in the inner wall of the connecting portion, the fixing sealing piece is arranged in the fixing groove, the fixing sealing piece is positioned through the fixing groove, then the connecting shaft is fixedly sealed through the fixing sealing piece, the structure is firm and durable, and impact resistance is high.
Description
Technical field
The utility model relates to a kind of pumping system or device, in particular, relates to a kind of submersible pump.
Background technique
Submersible pump is the visual plant of deep-well water lift.The whole unit work that pulls the plug during use.Underground water is extracted to earth's surface, be to speedily carry out rescue work in domestic water, mine, cooling, the field irrigation of industry, seawater promote, steamer is adjusted and carried.Before turn on pump, in suction pipe and pump, must be full of liquid.After turn on pump, impeller High Rotation Speed, liquid wherein, along with blade rotates together, under the effect of centrifugal force, flies away from impeller and outwards penetrates, and the liquid of ejaculation speed in pump case explosion chamber is slack-off gradually, and pressure increases gradually, and then from pump discharge, discharge tube flows out.Now, in blade center, because being thrown toward, liquid around forms the vacuum low-pressure district that not only there is no air but also there is no liquid, liquid in liquid pool is under the atmospheric effect of pond face, in suction pipe inflow pump, liquid is exactly so continuously from liquid pool, be pumped up and continuously from discharge tube, flow out.
Submerged Motor Pumps unit is by: water pump, submersible motor (comprising cable), conduit pipe and control switch four is most of forms.Submersible pump is single-suction multilevel vertical centrifugal pump; Submersible motor is airtight water-filling wet type, vertical three-phase squirrel-cage induction motor, and motor and water pump are direct by pawl formula or singly-bound cartridge type coupling; The three core cable of different size is equipped with; Starting equipment is that the steel pipe that the air-break switch of different capacitance grade and self-coupling decompression air-operated apparatus, conduit pipe are different-diameter is made, and adopts flange coupling, and high-lift electric pump adopts gate valve to control.
Existing submersible pump comprises casing and is arranged at electric motor units and the pump housing unit in casing, in housing, be provided with coupling shaft, coupling shaft two ends are connected with electric motor units and pump housing unit respectively, pump housing unit comprises and is connected the guide vane assembly being connected, guide vane assembly is arranged on coupling shaft, guide vane assembly comprises pilot blade, impeller and rear guide vane, impeller is arranged between pilot blade and rear guide vane, pilot blade is arranged on impeller assembly away from one end of electric motor units, the other end of the relative electric motor units of coupling shaft adopts pump head screw to fix, prevent guide vane assembly vibration when work, then pilot blade is set on pump head screw.The submersible pump pilot blade arranging so is generally adopted made of plastic, although reached the portability requirement of device, but plastics stator is not corrosion-resistant in a humid environment, secondly, only that plastics guide blade sleeve is connected on pump head screw, when running into larger impact force, shock-resistant degree and the fastness of guide vane assembly are not high, easily damage.
Summary of the invention
For the deficiencies in the prior art, the utility model object provides a kind of submersible pump guide vanes fixed mechanism, the submersible pump guide vanes fixed structure guide vane structure firm and durable of this kind of setting, and shock-resistant degree is high.
A kind of submersible pump guide vanes fixed mechanism, comprise the coupling shaft that pilot blade, pump head screw and one end are connected with motor, described pilot blade is sheathed on coupling shaft, described pump head screw is arranged at the opposite side of the relative motor of pilot blade, the part that described pilot blade is sheathed on coupling shaft is joint, and described connecting bushing is provided with locating piece, and described joint is fixedly connected with coupling shaft by locating piece, the inwall of the relative coupling shaft of described joint is provided with fixed groove, in described fixed groove, is provided with fixing seals.
By adopting technique scheme, pump housing screw is arranged on to the opposite side of the relative motor of pilot blade, when work, can plays position-limiting action to stator, pilot blade joint is located by locating piece and coupling shaft, to pilot blade axially locating, prevent pilot blade vibration on coupling shaft, at joint inwall, fixed groove is set, fixing seals is arranged in fixed groove, fixing seals is located by fixed groove, again with fixing seals by coupling shaft fixing seal, sound construction is durable, shock-resistant degree is high.
Further improvement as technique scheme: described locating piece comprises the first spacer and the second spacer, described the first spacer inwall and coupling shaft outer wall are adjacent to setting, described the second spacer is sheathed on the first spacer, and described the second spacer inwall and the first spacer outer wall are adjacent to setting.
By adopting technique scheme, coupling shaft, the first spacer and the second spacer concentric arrange, and have strengthened the concentricity of mechanism, make mechanism structure firm and durable more, shock-resistant Du Genggao.
The utility model is further set to: described the first spacer is stainless iron spacer, and described the second spacer is graphite spacer.
By adopting technique scheme, the first spacer corrosion resistance that adopts stainless iron to make is high, the second spacer good seal performance that adopts graphite to make, and the soundness and the shock-resistant Du，Shi mechanism that have strengthened mechanism are more durable.
The utility model is further set to: described fixed groove comprises the first fixed groove and the second fixed groove, is provided with for fixing the O type circle of the second spacer in described the first fixed groove, in described the second fixed groove, is provided with for compressing the jump ring of the second spacer.
By adopting technique scheme, sealing that also can stiffening device when O type circle being set fixing the second spacer and prevent the second spacer axial motion, jump ring is set and jointly coordinates and be fixed the second spacer with O type circle, further the soundness of reinforcing mechanisms and shock-resistant Du，Shi mechanism are more durable.
The utility model is further set to: described pilot blade is aluminum stator.
By adopting technique scheme, submersible pump is operated in wet environment, and the stator of aluminum can produce layer oxide film, strengthens the corrosion resistance of pilot blade.
Accompanying drawing explanation
Fig. 1 is the utility model submersible pump guide vanes fixed mechanism embodiment's structural representation;
Fig. 2 is the utility model submersible pump A portion enlarged view.
1, casing; 2, electric motor units; 3, pump housing unit; 31, pilot blade; 311, the first spacer; 312, the second spacer; 321, O type circle; 322, jump ring; 4, coupling shaft; 5, pump head screw.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model submersible pump embodiment is described further.
As depicted in figs. 1 and 2, the utility model submersible pump guide vanes fixed mechanism is arranged in casing 1, in casing 1, present and be arranged with electric motor units 2 and pump housing unit 2, pump housing unit 2 includes guide vane assembly 3, guide vane assembly 3 includes pilot blade 31, described pilot blade 31 is sheathed on coupling shaft 44, pump head screw 5 is arranged at the opposite side of pilot blade 31 relative motors, the part that described pilot blade 31 is sheathed on coupling shaft 4 is joint, on described coupling shaft 4, be arranged with locating piece, described joint locating piece is fixedly connected with coupling shaft 4, the inwall of the relative coupling shaft 4 of described joint is provided with fixed groove, in described fixed groove, be provided with fixing seals.
By adopting technique scheme, pump housing screw is arranged on to the opposite side of pilot blade 31 relative motors, when work, can play position-limiting action to stator, pilot blade 31 joints are by locating piece and coupling shaft 4 location, to pilot blade 31 axially locating, prevent pilot blade 31 vibration on coupling shaft 4, at joint inwall, fixed groove is set, fixing seals is arranged in fixed groove, fixing seals is located by fixed groove, again with fixing seals by coupling shaft 4 fixing seals, sound construction is durable, shock-resistant degree is high.
As shown in Figure 1 to Figure 2, described locating piece includes the first spacer 311 and the second spacer 312, described the first spacer 311 inwalls and coupling shaft 4 outer walls are adjacent to setting, described the second spacer 312 is sheathed on the first spacer 311, described the second spacer 312 inwalls and the first spacer 311 outer walls are adjacent to setting, described the first spacer 311 is stainless iron spacer, and described the second spacer 312 is graphite spacer.By adopting technique scheme, coupling shaft 4, the first spacer 311 and the second spacer 312 concentric settings, strengthened the concentricity of mechanism, the the first spacer 311 spacer corrosion resistances that adopt stainless iron to make are high, the the second spacer 312 spacer good seal performance that adopt graphite to make, the soundness and the shock-resistant Du，Shi mechanism that have strengthened mechanism are more durable.
As depicted in figs. 1 and 2, the fixed groove that relative coupling shaft 4 inwalls of described joint are provided with comprises the first fixed groove and the second fixed groove, in described the first fixed groove, be provided with for fixing the O type circle 321 of the second spacer 312, in described the second fixed groove, be provided with for compressing the jump ring 322 of the second spacer 312.By adopting technique scheme, sealing that also can stiffening device when O type circle 321 being set fixing the second spacer 312 and prevent the second spacer 312 axial motion, jump ring 322 is set jointly to be coordinated and is fixed the second spacer 312 with O type circle 321, further the soundness of reinforcing mechanisms and shock-resistant Du，Shi mechanism are more durable.
It should be noted that pilot blade 31 is for aluminum stator, submersible pump is operated in wet environment, and the stator of aluminum can produce layer oxide film, strengthens the corrosion resistance of pilot blade 31, and pump head screw 5 adopts stainless steel material to make, not only attractive in appearance, also corrosion-resistant durable.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a submersible pump guide vanes fixed mechanism, comprise the coupling shaft that pilot blade, pump head screw and one end are connected with motor, described pilot blade is sheathed on coupling shaft, it is characterized in that: described pump head screw is arranged at the opposite side of the relative motor of pilot blade, the part that described pilot blade is sheathed on coupling shaft is joint, described connecting bushing is provided with locating piece, described joint is fixedly connected with coupling shaft by locating piece, the inwall of the relative coupling shaft of described joint is provided with fixed groove, in described fixed groove, is provided with fixing seals.
2. submersible pump guide vanes fixed mechanism according to claim 1, it is characterized in that: described locating piece comprises the first spacer and the second spacer, described the first spacer inwall and coupling shaft outer wall are adjacent to setting, described the second spacer is sheathed on the first spacer, and described the second spacer inwall and the first spacer outer wall are adjacent to setting.
3. submersible pump guide vanes fixed mechanism according to claim 2, is characterized in that: described the first spacer is stainless iron spacer, and described the second spacer is graphite spacer.
4. according to the submersible pump guide vanes fixed mechanism described in claim 1 or 2 or 3, it is characterized in that: described fixed groove comprises the first fixed groove and the second fixed groove, in described the first fixed groove, be provided with for fixing the O type circle of the second spacer, in described the second fixed groove, be provided with for compressing the jump ring of the second spacer.
5. submersible pump guide vanes fixed mechanism according to claim 4, is characterized in that: described pilot blade is aluminum stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320401461.0U CN203430860U (en) | 2013-07-02 | 2013-07-02 | Guide vane fixing mechanism of submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320401461.0U CN203430860U (en) | 2013-07-02 | 2013-07-02 | Guide vane fixing mechanism of submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430860U true CN203430860U (en) | 2014-02-12 |
Family
ID=50059903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320401461.0U Expired - Fee Related CN203430860U (en) | 2013-07-02 | 2013-07-02 | Guide vane fixing mechanism of submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929945A (en) * | 2015-07-07 | 2015-09-23 | 芜湖环球汽车配件有限公司 | Vertical type multi-stage centrifugal pump |
-
2013
- 2013-07-02 CN CN201320401461.0U patent/CN203430860U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929945A (en) * | 2015-07-07 | 2015-09-23 | 芜湖环球汽车配件有限公司 | Vertical type multi-stage centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160702 |