CN204553234U - A kind of high anti-cavitation self-priming pump - Google Patents
A kind of high anti-cavitation self-priming pump Download PDFInfo
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- CN204553234U CN204553234U CN201420854148.7U CN201420854148U CN204553234U CN 204553234 U CN204553234 U CN 204553234U CN 201420854148 U CN201420854148 U CN 201420854148U CN 204553234 U CN204553234 U CN 204553234U
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Abstract
The utility model discloses a kind of high anti-cavitation self-priming pump, comprise the pump housing, motor, main impeller, Pump Shaft, water intake and water outlet; Described water intake is vertically arranged, described water outlet is horizontally disposed with, the horizontal center line of described water intake and the vertical central axis of described water outlet, described water outlet is positioned at above water intake, and described water outlet and described water intake are by pipeline communication, and described main impeller is vertically placed, and be connected with Pump Shaft, the pipeline communication water-supplying chamber of described water outlet, the central shaft of described water-supplying chamber overlaps with the central shaft of water outlet, and described main impeller is positioned at the side of the central shaft of water-supplying chamber; This self-priming pump also comprises the inducer being arranged on Pump Shaft end, and described inducer is vertically placed, and the central shaft of close described water-supplying chamber, be provided with casing ring around described inducer.The utility model is reasonable in design, structure is simple, pump impeller anti-cavitation performance of can surging, and can improve the working life of water pump simultaneously and increase the effective absorption distance of water pump.
Description
Technical field
The utility model relates to self-priming pump for technical field, is related specifically to a kind of high anti-cavitation self-priming pump.
Background technique
Self liquid medium is had in the pump case of self-priming pump, therefore after starting, impeller High Rotation Speed makes liquid medium in impeller conduit to volute, at this moment interruption-forming vacuum is entered, make to open into water non-return flap, air in suction pipe and liquid medium to be conveyed enter in pump, and continue conveying through the centrifugal action of impeller.
At present, existing self-suction pump impeller, in rotation water absorption course, is in self-priming state all the time, the suction port of impeller is in negative pressure state at work all the time, the actual anti-cavitation performance of impeller is not good, and then impeller is damaged due to cavitation, thus reduces the working life of self-priming pump; Another, existing self-priming pump suction journey is lower, and then can not meet people inhale journey requirement to self-priming pump.
But for the deficiencies in the prior art, developer is necessary that development one is reasonable in design, structure simple, pump impeller anti-cavitation performance of can surging, the high anti-cavitation self-priming pump of the working life simultaneously can improving water pump and the effective absorption distance increasing water pump.
Model utility content
For solving prior art Problems existing, the utility model object provide a kind of reasonable in design, structure simple, pump impeller anti-cavitation performance of can surging, the high anti-cavitation self-priming pump of the working life simultaneously can improving water pump and the effective absorption distance increasing water pump.
For solving above technical problem, the utility model comes to be realize by the following technical solutions: a kind of high anti-cavitation self-priming pump, comprises the pump housing, motor, main impeller, Pump Shaft, water intake and water outlet;
Described water intake is vertically arranged, described water outlet is horizontally disposed with, the horizontal center line of described water intake and the vertical central axis of described water outlet, described water outlet is positioned at above water intake, and described water outlet and described water intake are by pipeline communication, and described main impeller is vertically placed, and be connected with Pump Shaft, the pipeline communication water-supplying chamber of described water outlet, the central shaft of described water-supplying chamber overlaps with the central shaft of water outlet, and described main impeller is positioned at the side of the central shaft of water-supplying chamber;
This self-priming pump also comprises the inducer being arranged on Pump Shaft end, and described inducer is vertically placed, and the central shaft of close described water-supplying chamber, be provided with casing ring around described inducer.
In a preferred embodiment of the present utility model, its moment of torsion is passed to main impeller by the main flat key of described Pump Shaft.
In a preferred embodiment of the present utility model, its moment of torsion is passed to inducer by described Pump Shaft induction flat key.
In a preferred embodiment of the present utility model, described main impeller and inducer bolt are fixed on Pump Shaft.
The beneficial effects of the utility model are; Compared with prior art, the utility model also comprises the inducer being arranged on Pump Shaft end, and inducer is vertically placed, and the central shaft of close water-supplying chamber or and then mouth.And then be arranged on the Pump Shaft the other end driven by motor Pump Shaft rotate time, dynamic torque is passed to induction flat key by Pump Shaft, and dynamic torque is reached on inducer by induction flat key again, thus makes inducer will make synchronous rotary together along with Pump Shaft; Adopt the inducer of spiral Design with Rule the medium flowed through can be accelerated, enter in the main impeller suction port driven by main flat key again after producing precompressed, what have the medium of precompressed to form at inducer and casing ring has pressure chamber, thus ensure that the pressure medium that inducer produces can effectively enter in main impeller, and then ensure that the suction port of main impeller has been always pressure condition, thus can not cavitation be produced, and then add the effective absorption distance of water pump and extend water pump whole service life.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Numeral and the corresponding part title represented by letter in figure:
1. water intake 2. pump housing 3. bolt 4. casing ring 5. inducer 6. induces flat key 7. main impeller 8. main flat key 9. Pump Shaft 10. water-supplying chamber 11. water outlet
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
With reference to shown in Fig. 1, the utility model is a kind of high anti-cavitation self-priming pump, comprises the pump housing 2, motor, main impeller 7, Pump Shaft 9, water intake 1 and water outlet 11;
In the present embodiment, water intake 1 is vertically arranged, water outlet 11 is horizontally disposed with, the horizontal center line of water intake 1 and the vertical central axis of water outlet 2, water outlet 2 is positioned at above water intake 1, water outlet 2 and water intake 1 are by pipeline communication, main impeller 7 is vertically placed, and be connected with Pump Shaft 9, the pipeline communication water-supplying chamber 10 of water outlet 11, the central shaft of water-supplying chamber 10 overlaps with the central shaft of water outlet 11, main impeller 7 is positioned at the side of the central shaft of water-supplying chamber 10, and be fixed in main impeller 7 with main flat key 8, thus moment of torsion is passed to main impeller 7 by the main flat key 8 of Pump Shaft 9, and then improve the stability of main impeller 7 on Pump Shaft 9.
Also comprise the inducer 5 being arranged on Pump Shaft 9 end in the present embodiment, inducer 5 is vertically placed, and the central shaft of close water-supplying chamber 10, be provided with casing ring 4 around inducer 5, Pump Shaft 9 the other end is connected with motor (not marking).
In the present embodiment, its moment of torsion is passed to inducer 5 by Pump Shaft 9 induction flat key 6, and then effectively the moment of torsion of Pump Shaft 9 can be passed to inducer 5, make inducer 5 and Pump Shaft 9 synchronous axial system, thus improve the stability of inducer 5 on Pump Shaft 9.
In the present embodiment, main impeller 7 and inducer 5 bolt 3 are fixed on Pump Shaft 9, and then when work, first open the motor being arranged on Pump Shaft 9 the other end, Pump Shaft 9 starts to rotate under the drive of motor, dynamic torque is passed to induction flat key 6 by Pump Shaft 9, dynamic torque is reached on inducer 5 by induction flat key 6 again, thus makes inducer 5 will make synchronous rotary together along with Pump Shaft 9; Adopt the inducer 5 of spiral Design with Rule the medium flowed through can be accelerated, enter in main impeller 7 suction port driven by main flat key 8 again after producing precompressed, what have the medium of precompressed to form at inducer 5 and casing ring 4 has pressure chamber, thus ensure that the pressure medium that inducer 5 produces can effectively enter in main impeller 7, and then ensure that the suction port of main impeller 7 has been always pressure condition, thus cavitation can not be produced.
The utility model also comprises the inducer being arranged on Pump Shaft end in sum, and inducer is vertically placed, and the central shaft of close water-supplying chamber or and then mouth.And then be arranged on the Pump Shaft the other end driven by motor Pump Shaft rotate time, dynamic torque is passed to induction flat key by Pump Shaft, and dynamic torque is reached on inducer by induction flat key again, thus makes inducer will make synchronous rotary together along with Pump Shaft; Adopt the inducer of spiral Design with Rule the medium flowed through can be accelerated, enter in the main impeller suction port driven by main flat key again after producing precompressed, what have the medium of precompressed to form at inducer and casing ring has pressure chamber, thus ensure that the pressure medium that inducer produces can effectively enter in main impeller, and then ensure that the suction port of main impeller has been always pressure condition, thus can not cavitation be produced, and then add the effective absorption distance of water pump and extend water pump whole service life.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a high anti-cavitation self-priming pump, comprises the pump housing, motor, main impeller, Pump Shaft, water intake and water outlet;
Described water intake is vertically arranged, described water outlet is horizontally disposed with, the horizontal center line of described water intake and the vertical central axis of described water outlet, described water outlet is positioned at above water intake, and described water outlet and described water intake are by pipeline communication, and described main impeller is vertically placed, and be connected with Pump Shaft, the pipeline communication water-supplying chamber of described water outlet, the central shaft of described water-supplying chamber overlaps with the central shaft of water outlet, and described main impeller is positioned at the side of the central shaft of water-supplying chamber;
It is characterized in that, this self-priming pump also comprises the inducer being arranged on Pump Shaft end, and described inducer is vertically placed, and the central shaft of close described water-supplying chamber, be provided with casing ring around described inducer.
2. the high anti-cavitation self-priming pump of one according to claim 1, is characterized in that: its moment of torsion is passed to main impeller by the main flat key of described Pump Shaft.
3. the high anti-cavitation self-priming pump of one according to claim 1 and 2, is characterized in that: its moment of torsion is passed to inducer by described Pump Shaft induction flat key.
4. the high anti-cavitation self-priming pump of one according to claim 1, is characterized in that: described main impeller and inducer bolt are fixed on Pump Shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854148.7U CN204553234U (en) | 2014-12-24 | 2014-12-24 | A kind of high anti-cavitation self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854148.7U CN204553234U (en) | 2014-12-24 | 2014-12-24 | A kind of high anti-cavitation self-priming pump |
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| Publication Number | Publication Date |
|---|---|
| CN204553234U true CN204553234U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420854148.7U Active CN204553234U (en) | 2014-12-24 | 2014-12-24 | A kind of high anti-cavitation self-priming pump |
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| CN (1) | CN204553234U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016210516A1 (en) | 2016-06-14 | 2017-12-14 | Mahle International Gmbh | liquid pump |
| CN114396383A (en) * | 2022-01-10 | 2022-04-26 | 成都凯天电子股份有限公司 | Oil-gas mixed transportation system |
-
2014
- 2014-12-24 CN CN201420854148.7U patent/CN204553234U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016210516A1 (en) | 2016-06-14 | 2017-12-14 | Mahle International Gmbh | liquid pump |
| CN114396383A (en) * | 2022-01-10 | 2022-04-26 | 成都凯天电子股份有限公司 | Oil-gas mixed transportation system |
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