CN206495787U - A kind of centrifugal pump suitable for medium-small flow operating mode - Google Patents
A kind of centrifugal pump suitable for medium-small flow operating mode Download PDFInfo
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- CN206495787U CN206495787U CN201621468007.7U CN201621468007U CN206495787U CN 206495787 U CN206495787 U CN 206495787U CN 201621468007 U CN201621468007 U CN 201621468007U CN 206495787 U CN206495787 U CN 206495787U
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- bearing
- impeller
- pump
- nut
- impeller cavity
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Abstract
The utility model discloses a kind of centrifugal pump suitable for medium-small flow operating mode, the central axial position of the pump housing is sequentially provided with suction inlet, impeller cavity, impeller cavity top is provided with outlet, it is connected on the left of impeller cavity with suction inlet, impeller cavity top is connected with outlet, impeller is fixed on pump shaft left end by impeller nut, and the pump shaft other end is connected through mechanical seal, journal bearing, thrust bearing with motor；The utility model sets a large tank between journal bearing and thrust bearing, can play a part of lubricating and cool down, effectively the service life of extension bearing；Impeller is multiple-blade open architecture, is simple to manufacture, easy to clean, it is adaptable to which low discharge is transmitted；Pump shaft is provided with axle sleeve with conveying liquid contact portion, can effectively prevent corrosive liquids from corroding pump shaft；Bearing body is using forging Vehicle Processing shaping, and intensity is good, it is adaptable to petrochemical industry, papermaking pharmacy, coal chemical industry and other industrial flow medium-small flow operating modes.
Description
Technical field
The utility model is related to centrifugation pump technical field, specifically, more particularly to a kind of to be applied to medium-small flow operating mode
Centrifugal pump.
Background technology
Centrifugal pump has the diversified forms such as vertical, horizontal, single-stage, multistage, single suction, double suction, self-priming.Centrifugal pump is to utilize leaf
Wheel rotates and water is occurred centrifugal motion and carry out work.Water pump is before activation, it is necessary to make to be full of water in the pump housing and suction hose, then
Start motor, pump shaft impeller and water is done high speed rotary motion, water occurs centrifugal motion, impeller outer edge is thrown toward, through snail
The runner of the shape pump housing flows into the pressure pipe road of water pump.
Impeller had both referred to the wheel disc equipped with movable vane, was the part of impulse turbine rotor.Finger wheel disk is with installing it again
On moving blade general name.Centrifugal pump impeller mainly has following 4 kinds of forms：Enclosed, preceding semi-open type, rear semi-open type, open type, are opened
Formula impeller only has blade and blade reinforcement, the impeller of no front and rear cover plate.Impeller adiabatic efficiency is low, the higher liquid of main conveying viscosity
Body, and paste liquid, are used for petrochemical industry, papermaking pharmacy, coal chemical industry and other industrial flow medium-small flow operating modes.But
Also there is certain defect in existing product：A, bearing body strength problem；The reliability of b, each part under highly corrosive liquid is asked
Topic.
Utility model content
For above-mentioned deficiency of the prior art, the utility model discloses a kind of centrifugation suitable for medium-small flow operating mode
Pump, with the characteristics of strength rigid is high, antiseptic power is strong.
The utility model solves the technical scheme that its technical problem used：It is a kind of suitable for medium-small flow operating mode from
Heart pump, the central axial position of the pump housing is sequentially provided with suction inlet, impeller cavity, impeller cavity top be provided with the left of outlet, impeller cavity with
Suction inlet is connected, and impeller cavity top is connected with outlet, and impeller cavity is that impeller, impeller are provided with frustum cone structure, impeller cavity
Nut, impeller is fixed on pump shaft left end by impeller nut, the pump shaft other end through mechanical seal, journal bearing, thrust bearing with
Motor is connected, and pump cover is provided with centre bore, and pump cover is fixed on pump shaft by centre bore, impeller right side, and mechanical seal passes through axle
It is sheathed on the right side of pump cover, the pump housing is connected to outlet side by screw bolt and nut, and pump cover is connected to row by screw bolt and nut
Opposite side is exported, intermediate support is connected with pump cover by screw bolt and nut, intermediate support is provided with pressure relief opening, journal bearing is located at
On the right side of mechanical seal, be provided with cylinder roller bearing in the journal bearing, the support of bearing with intermediate support by being welded and fixed, footpath
Hydraulic fluid port is set out on the downside of oil filler, the support of bearing to being provided with to set on the upside of fuel tank, the support of bearing between bearing and thrust bearing, only
Thrust bearing is located at the inner side of the support of bearing, and bearing block is fixed on the support of bearing by screw, and seat ring is located on the inside of bearing block, axle
Circle is provided with centre bore, and blowout patche inwall is fixedly connected with pump shaft, and rolling element is located between blowout patche outer wall and seat ring inwall, described to roll
Body is angular contact ball, and round nut is sheathed on the right side of blowout patche, and bearing block inwall is provided with circle shape groove, and it is left that sealing ring is sheathed on bearing
Side, the periphery of sealing ring is embedded in the circle shape groove of bearing block inwall.
The impeller is multiple-blade open architecture.
The utility model has advantages below compared with prior art：One is set between journal bearing and thrust bearing
Large tank, can play a part of lubricating and cool down, effectively the service life of extension bearing；Impeller is multiple-blade open architecture, system
Make simple, easy to clean, it is adaptable to which low discharge is transmitted；Seal cavity meets API682 standard sizes, can match various forms machine
Tool is sealed；Pump shaft is provided with axle sleeve with conveying liquid contact portion, can effectively prevent corrosive liquids from corroding pump shaft；Bearing body is used
Vehicle Processing shaping is forged, strength rigid is very good.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is enlarged drawing at A in the utility model Fig. 1；
In figure：The 1- pump housings, 2- impeller nut devices, 3- pump covers, 4- impellers, 5- pressure relief openings, 6- mechanical seals, 7- refuels
Mouthful, 8- oil-outs, the 9- supports of bearing, 10- bearing blocks, 11- suction inlets, 12- outlets, 13- pump shafts, 14- intermediate supports, 15-
Journal bearing, 16- thrust bearings, 17- impeller cavities, 18- seat rings, 19- blowout patches, 20- rolling elements, 21- fuel tanks, 22- round nuts,
23- sealing rings.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
As illustrated, a kind of centrifugal pump suitable for medium-small flow operating mode, the central axial position of the pump housing is sequentially provided with suction
Mouth, impeller cavity, impeller cavity top is provided with the left of outlet, impeller cavity to be connected with suction inlet, impeller cavity top and outlet phase
Connection, impeller cavity is frustum cone structure, the liquid of impeller outflow stop only some exported from impeller cavity, remaining most of liquid is still
Circulated in pump housing runner, impeller, impeller nut are provided with impeller cavity, impeller is fixed on pump shaft left end, pump by impeller nut
The axle other end is connected through mechanical seal, journal bearing, thrust bearing with motor, and pump cover is provided with centre bore, and pump cover passes through center
Hole is fixed on pump shaft, impeller right side, and mechanical seal is by axle sleeve on the right side of pump cover, and the pump housing is connected to by screw bolt and nut
Outlet side, pump cover is connected to outlet opposite side by screw bolt and nut, and intermediate support passes through screw bolt and nut with pump cover
Connection, intermediate support is provided with pressure relief opening, and journal bearing is located on the right side of mechanical seal, and cylindrical roller is provided with the journal bearing
Bearing, the support of bearing, by being welded and fixed, is provided with fuel tank, can play lubrication with intermediate support between journal bearing and thrust bearing
With the service life of the effect of cooling, effectively extension bearing, set on the upside of the support of bearing and set out on the downside of oil filler, the support of bearing
Hydraulic fluid port, thrust bearing is located at the inner side of the support of bearing, and bearing block is fixed on the support of bearing by screw, and seat ring is located at bearing block
Inner side, blowout patche is provided with centre bore, and blowout patche inwall is fixedly connected with pump shaft, and rolling element is located between blowout patche outer wall and seat ring inwall,
The rolling element is angular contact ball, and round nut is sheathed on the right side of blowout patche, and bearing block inwall is provided with circle shape groove, and sealing ring is arranged
On the left of bearing, the periphery of sealing ring is embedded in the circle shape groove of bearing block inwall.
The impeller is multiple-blade open architecture；Be simple to manufacture, it is easy to clean, it is adaptable to medium-small flow transmit.
The bearing body is using forging Vehicle Processing shaping, and pump cover, the pump housing is castings or forge, and strength rigid is relatively good,
It is effectively increased the service life of centrifugal pump.
The bearing block is screwed, convenient dismounting.
The utility model preferred embodiment is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to
Above-mentioned embodiment, in the knowledge that those of ordinary skill in the art possess, can also not depart from the utility model
Made a variety of changes on the premise of objective.
Many other changes and remodeling can be made by not departing from spirit and scope of the present utility model.It should be appreciated that this reality
Specific embodiment is not limited to new, scope of the present utility model is defined by the following claims.
Claims (2)
1. a kind of centrifugal pump suitable for medium-small flow operating mode, it is characterised in that the central axial position of the pump housing is sequentially provided with suction
Mouth, impeller cavity, impeller cavity top is provided with the left of outlet, impeller cavity to be connected with suction inlet, impeller cavity top and outlet phase
Connection, impeller cavity is that impeller, impeller nut are provided with frustum cone structure, impeller cavity, and it is left that impeller is fixed on pump shaft by impeller nut
End, the pump shaft other end is connected through mechanical seal, journal bearing, thrust bearing with motor, and pump cover is provided with centre bore, and pump cover passes through
Centre bore is fixed on pump shaft, impeller right side, and mechanical seal is by axle sleeve on the right side of pump cover, and the pump housing is connected by screw bolt and nut
Be connected on outlet side, pump cover is connected to outlet opposite side by screw bolt and nut, intermediate support and pump cover by bolt and
Nut is connected, and intermediate support is provided with pressure relief opening, and journal bearing is located on the right side of mechanical seal, and cylinder is provided with the journal bearing
Roller bearing, the support of bearing, by being welded and fixed, is provided with fuel tank, bearing branch with intermediate support between journal bearing and thrust bearing
Set on the upside of frame and hydraulic fluid port is set out on the downside of oil filler, the support of bearing, thrust bearing is located at the inner side of the support of bearing, bearing block passes through
Screw is fixed on the support of bearing, and seat ring is located on the inside of bearing block, and blowout patche is provided with centre bore, and blowout patche inwall is fixed with pump shaft to be connected
Connect, rolling element is located between blowout patche outer wall and seat ring inwall, the rolling element is angular contact ball, and it is right that round nut is sheathed on blowout patche
Side, bearing block inwall is provided with circle shape groove, and sealing ring is sheathed on the left of bearing, and the periphery of sealing ring is embedded in bearing block inwall
In circle shape groove.
2. a kind of centrifugal pump suitable for medium-small flow operating mode as claimed in claim 1, it is characterised in that the impeller is many
Blade open architecture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621468007.7U CN206495787U (en) | 2016-12-29 | 2016-12-29 | A kind of centrifugal pump suitable for medium-small flow operating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621468007.7U CN206495787U (en) | 2016-12-29 | 2016-12-29 | A kind of centrifugal pump suitable for medium-small flow operating mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206495787U true CN206495787U (en) | 2017-09-15 |
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ID=59802774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621468007.7U Active CN206495787U (en) | 2016-12-29 | 2016-12-29 | A kind of centrifugal pump suitable for medium-small flow operating mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206495787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593889A (en) * | 2016-12-29 | 2017-04-26 | 镇江福泰克流体技术有限公司 | Centrifugal pump applicable to small and medium flow work conditions |
-
2016
- 2016-12-29 CN CN201621468007.7U patent/CN206495787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593889A (en) * | 2016-12-29 | 2017-04-26 | 镇江福泰克流体技术有限公司 | Centrifugal pump applicable to small and medium flow work conditions |
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