CN204921443U - Submersible pump for well use - Google Patents
Submersible pump for well use Download PDFInfo
- Publication number
- CN204921443U CN204921443U CN201520632514.9U CN201520632514U CN204921443U CN 204921443 U CN204921443 U CN 204921443U CN 201520632514 U CN201520632514 U CN 201520632514U CN 204921443 U CN204921443 U CN 204921443U
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- China
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- pump
- impeller
- pump block
- combination
- water
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Abstract
The utility model relates to a submersible pump for well use, its characterized in that: the flow passage components of formation are piled up by making up the pump to epaxial being equipped with of hexagonal in the pump block, and the upper end of pump is equipped with the guide bearing and forms the both ends support with the shaft coupling cooperation, the combination pump comprises impeller cover, stator and impeller, and in the impeller set up the impeller cover, the upper portion of impeller was equipped with the stator, and impeller cover bottom is equipped with the water inlet, and the lower terminal surface and the impeller cover mold insert of impeller choma form close clearance plane axial seal, impeller and hexagonal axle clearance fit, the one end and the play water hull of pump block pass through pin and the screw fastening connection that the circumferencial direction set up, and the other end and the antithetical couplet of pump block put up in order to press from both sides the combination pump that piles up behind the same mode fastening connection in the tight pump block, holding out the water hull, the fume hood be equipped with check valve and bearing body in. The utility model discloses effectually the impact of water hammer to flow passage components has been prevented to ponding can flow back in can realizing the pipeline, prevents freezing pipeline. Rotatable parts's the smooth operation and the life of part have been guaranteed.
Description
Technical field
The utility model belongs to a kind of pump, particularly a kind of well submersible pump be arranged in water of well.
Background technique
At present, domestic submersible pump impeller traditional in the prior art and axle mostly are stationary structure, and impeller port ring and blower inlet casing have radial clearance.The submersible pump of this structure exists: large to the impact injury of structural member during pump startup, and when in water, silt is many, not easily discharges, and impeller, stator very easily wear and tear.Check valve is the strength member of submersible pump, mostly is sealing check valve in traditional submersible pump, when using at north of china in winter, because the ponding in pipeline can not be got back in well, easily causes pipeline bursting by freezing.
Summary of the invention
The utility model overcomes the defect of above-mentioned existence, and object is the submersible pump solving middle work of can diving into the deep water, and the problems such as production technology and structure simple, applicable batch production, good reliability, provide a kind of well submersible pump.
The utility model well submersible pump content Description:
The utility model well submersible pump, it is characterized in that: by coupling, connection frame, screw, pin, pump block, combination pump, six square shafts, bearing support, axle sleeve, guide bearing, check valve with go out water hull and form, six square shafts in pump block are provided with by 4 ~ 60 combination pump stacking flow passage components formed, the upper end of pump is provided with guide bearing and coordinates with coupling and form two end supports; Combination pump is made up of impeller set, stator and impeller, impeller arranges in impeller set, and the top of impeller is provided with stator, is provided with water inlet bottom impeller set, the lower end surface of impeller port ring and impeller set mold insert form the axial seal of small―gap suture plane, impeller and six square shaft Spielpassung; One end of pump block with go out pin that water hull arranged by circumferencial direction and screw fastening is connected, the other end of pump block is fastenedly connected combination pump stacking in rear clamping pump block in an identical manner with connection frame; Check valve and bearing support is provided with in pump top-end water-outlet shell.
The utility model well submersible pump, coupling and connecting flange size conforms U.S. NEMA standard; Pump top-end water-outlet shell, built with check valve, effectively prevents water hammer to the impact of flow passage components, and can realize ponding in pipeline and can reflux, and prevents freezing pipeline.The upper end of pump is provided with guide bearing, coordinates form two end supports with coupling, effectively ensure that the smooth running of rotatable parts and the working life of part.
Accompanying drawing explanation
Fig. 1 is well submersible pump structure schematic diagram;
Fig. 2 is combination pump stacked structure schematic diagram;
Fig. 3 is combination pump structural representation;
Fig. 4 is the schematic diagram of check valve part;
In figure: 1 is coupling, 2, and are connection framves, 3 are screws, 4 are pins, 5 are pump blocks, 6 are combination pumps, 7 are six square shafts, 8 are bearing suppories, 9 are axle sleeves, 10 are guide bearings, 11 to be check valves, 12 be that water hull, 13 are impeller set, 14 are stators, 15 are impellers, 16 is impeller set mold inserts.
Embodiment
The utility model well submersible pump is achieved in that and illustrates below in conjunction with accompanying drawing.
See Fig. 1, well submersible pump is by: coupling 1, connection frame 2, screw 3, pin 4, pump block 5, combination pump 6, six square shaft 7, bearing support 8, axle sleeve 9, guide bearing 10, check valve 11 and go out water hull 12 and form, six square shafts 7 in pump block 5 are provided with by 4 ~ 60 stacking flow passage components formed of combination pump 6, the quantity of combination pump 6 can be arranged according to actual needs.Be provided with a set of guide bearing 10 in the upper end of pump, coordinate with coupling 1 and form two end supports.One end of pump block 5 with go out pin 4 that water hull 12 arranged by circumferencial direction and screw 3 is fastenedly connected, the other end of pump block 5 is fastenedly connected combination pump 6 stacking in rear clamping pump block 5, to ensure the reliability requirement of pump in an identical manner with connection frame 2.Chamfering form is arranged in the front end of pin 4, makes the automatic assembling of pin 4 become possibility.
The splined hole size of the coupling 1 of well submersible pump and connection frame 2 connect locating flange size conforms U.S. NEMA standard with necessary electromotor.
See Fig. 2, Fig. 3, combination pump 6 is by impeller set 13, stator 14 and impeller 15 form, impeller 15 arranges in impeller set 13, the top of impeller 15 is provided with stator 14, water inlet is provided with bottom impeller set 13, the lower end surface of impeller 15 choma and impeller set mold insert 16 form the axial seal of small―gap suture plane, size adjustable in assembly process of this gap controls, be conducive to the guarantee of pump performance. impeller 15 and six square shaft 7 Spielpassung, axially do not fix, namely impeller 15 can float on axle, this structure makes pump when starting, significantly reduce the impact injury to structure member, and when pump is in operation process, when having silt by choma gap, because impeller has float function, can ensure that silt passes through smoothly, and reduce impeller, the abrasion of impeller set, extend the working life of pump greatly.
See Fig. 1, Fig. 4, be provided with check valve 11 and bearing support 8 in pump top-end water-outlet shell 12, check valve 11 coordinates with bearing support 8 and can effectively prevent water hammer to the impact of flow passage components.In check valve 11, be provided with " O " shape cushion rubber mounting groove, its both sides are respectively provided with 4 little gap, and realizing ponding in pipeline can reflux, and prevents freezing pipeline, effectively ensure that the smooth running of rotatable parts and the working life of part.When needs check valve has sealing function, before " O " shape, in ring recess, increase " O " shape cushion rubber of suitable dimension.
The utility model well submersible pump working procedure:
After the utility model is connected with supporting submersible motor, put into civilian well or mine, switch on power, after submersible motor work, rotor shaft drives diving pump shaft to rotate, carry out the conversion of electric energy to mechanical energy, drive the wheel rotation in combination pump stacking in pump block after pump shaft rotates, because impeller is to the effect of the centrifugal force of water, water is discharged from water outlet.During shutdown, the water in pipeline, due to the effect of check valve, is back in well lentamente.
Claims (1)
1. a well submersible pump, it is characterized in that: by: coupling (1), connection frame (2), screw (3), pin (4), pump block (5), combination pump (6), six square shafts (7), bearing support (8), axle sleeve (9), guide bearing (10), check valve (11) with go out water hull (12) and form, six square shafts (7) in pump block (5) are provided with by 4 ~ 60 combination pump (6) stacking flow passage components formed, the upper end of pump is provided with guide bearing (10) and coordinates with coupling (1) and form two end supports; Combination pump (6) is made up of impeller set (13), stator (14) and impeller (15), impeller (15) arranges in impeller set (13), the top of impeller (15) is provided with stator (14), impeller set (13) bottom is provided with water inlet, lower end surface and the impeller set mold insert (16) of impeller (15) choma form the axial seal of small―gap suture plane, impeller (15) and six square shafts (7) Spielpassung; One end of pump block (5) with go out pin (4) that water hull (12) arranged by circumferencial direction and screw (3) is fastenedly connected, the other end and connection frame (2) of pump block (5) are fastenedly connected the interior stacking combination pump (6) of rear clamping pump block (5) in an identical manner; Check valve (11) and bearing support (8) is provided with in pump top-end water-outlet shell (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632514.9U CN204921443U (en) | 2015-08-21 | 2015-08-21 | Submersible pump for well use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632514.9U CN204921443U (en) | 2015-08-21 | 2015-08-21 | Submersible pump for well use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921443U true CN204921443U (en) | 2015-12-30 |
Family
ID=54970577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520632514.9U Active CN204921443U (en) | 2015-08-21 | 2015-08-21 | Submersible pump for well use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697383A (en) * | 2016-04-06 | 2016-06-22 | 江苏大学 | Axial force self-balancing deep-well pump |
-
2015
- 2015-08-21 CN CN201520632514.9U patent/CN204921443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697383A (en) * | 2016-04-06 | 2016-06-22 | 江苏大学 | Axial force self-balancing deep-well pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |