CN209329820U - A kind of centrifugal multistage pump multiple centrifugal pump - Google Patents
A kind of centrifugal multistage pump multiple centrifugal pump Download PDFInfo
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- CN209329820U CN209329820U CN201920115613.8U CN201920115613U CN209329820U CN 209329820 U CN209329820 U CN 209329820U CN 201920115613 U CN201920115613 U CN 201920115613U CN 209329820 U CN209329820 U CN 209329820U
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- centrifugal
- impeller
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- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 9
- 230000001771 impaired effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is a kind of centrifugal multistage pump multiple centrifugal pump, belong to centrifugal pump field, aiming at the problem that motor prior art centrifugal pump easily touches fluid and damages, it is as follows using technical solution: a kind of centrifugal multistage pump multiple centrifugal pump, including being equipped with the pump housing, and motor, impeller is set in the pump housing, the rotor of motor is connect with a shaft, shaft connects the impeller after passing through the pump housing, to drive wheel rotation, electromagnetic coil is embedded the stator in plastic part as motor, the rotor of motor is equipped with a plastic shell, the both ends of plastic shell are plastic packaging end, plastic shell is equipped with the limiting slot of multiple radial arrangements, a permanent magnet is embedded in each limiting slot.Electromagnetic coil is wrapped up by plastic part, and electromagnetic coil is further protected at the plastic packaging end of rotor plastic shell, reduces the probability that electromagnetic coil is contacted with fluid, reduces the impaired probability of motor；The radial arrangement of limiting slot, when running at high speed, permanent magnet is not easily to fall off, and structure is relatively stable.
Description
Technical field
The utility model belongs to centrifugal pump field, in particular to a kind of centrifugal multistage pump multiple centrifugal pump.
Background technique
Existing centrifugal pump mainly includes the motor of the pump housing and transfer tube body running, is equipped with impeller, the rotor of motor in the pump housing
It is connect with shaft, shaft passes through and connects impeller after the pump housing, to drive wheel rotation.The pump housing is equipped with inlet and outlet,
Fluid enters from the inlet the pump housing, flows out after being accelerated under the centrifugal action of impeller from water outlet.The motor of existing centrifugal pump
Using asynchronous machine, when motor stator is with rotor engagement, the electromagnetic coil on stator is often from the end of stator and rotor engagement
Portion exposes, and readily accesses the fluids such as water or other liquid in this way, once electromagnetic coil, which touches fluid, will lead to motor damage
It is bad, and then influence the service life of motor.
Utility model content
Aiming at the problem that motor prior art centrifugal pump easily touches fluid and damages, it is more that the utility model provides one kind
Grade centrifugal pump, the electromagnetic coil of motor are wrapped by, reduce the probability that electromagnetic coil touches fluid, reduce motor and damaged
Bad probability.
The utility model is as follows using technical solution: a kind of centrifugal multistage pump multiple centrifugal pump, the pump including being equipped with inlet and outlet
The motor of body and transfer tube body running sets impeller in the pump housing, and the rotor of motor is connect with a shaft, and shaft passes through pump
The impeller is connected after body, to drive wheel rotation, electromagnetic coil is embedded the stator in a plastic part as motor, the electricity
The rotor of machine is equipped with a plastic shell, and the both ends of the plastic shell are plastic packaging end, and the rotor of the motor is made using ferrite
For permanent magnet, the plastic shell is equipped with the limiting slot of multiple radial arrangements, is embedded a permanent magnetism in each limiting slot
Body.
In this setting, electromagnetic coil is wrapped up by plastic part, and the plastic packaging end of the plastic shell of rotor to electromagnetic coil into
Further protection, electromagnetic coil will not expose row from the end of stator and rotor engagement, reduce electromagnetic coil and contact with fluid
Probability, reduce the impaired possibility of motor；In addition, the radial arrangement of limiting slot for limiting permanent magnet, in height
When speed operating, permanent magnet is not easily to fall off, and structure is relatively stable, and motor is made to have big, high-efficient, the anti-demagnetizing energy of electromagnetic torque
The advantages of power is strong, speed-regulating range width.
Further, the water outlet of the pump housing is equipped with a four-way structure, be connected in the four-way structure pressurized tank and
The water outlet of pressure transmission device, the pump housing is connect by flange arrangement with four-way structure.Pressurized tank is connected with pressure transmission device
In four-way structure, have the effect of convenient for disassembly and assembly, moreover it is possible to meet compact-sized requirement.
Further, the junction of the water outlet of the pump housing and four-way structure is equipped with copper non-return valve, the copper non-return valve
It is equipped with sealing ring with the junction of the pump housing, and passes through elastic component return.Non-return valve is typically provided at water inlet, due to water inlet
Mouth is often attached with connecting tube, and non-return valve is usually installed in the inside of water inlet, and this often results in non-return valve dismounting
Inconvenience is unfavorable for repairing and replace, and water outlet is connect with four-way structure by flange arrangement in the utility model, and copper non-return valve
The junction of water outlet Yu four-way structure is set, installation and removal are more convenient, be conducive to the maintenance of copper non-return valve and replacement,
And copper non-return valve anti-corrosion effect is preferable.
Further, the impeller connecting pin of the shaft is equipped at least one flat key, and the flat key is fixedly connected on shaft
On, the groove for limiting flat key is opened up on the impeller, so that impeller can follow shaft to rotate.In conventional centrifugal pump, leaf
Waist-shaped hole is opened up on wheel, the impeller connecting pin of shaft could cooperate after need to being processed two planes with waist-shaped hole, and this
Structure increases processing cost, while the junction of shaft and impeller is easily slided upon wear to requirement on machining accuracy height,
It is unfavorable for stable structure；The utility model opens up the groove for limiting flat key and comes by adding flat key in shaft on impeller
Realize the assembly of shaft and impeller, assembly difficulty reduces, and it is also not high to requirement on machining accuracy, reduce processing cost, and even if hair
Also it is less likely to occur to slide between raw abrasion condition impeller and shaft, structure is relatively stable.
Further, the centrifugal multistage pump multiple centrifugal pump is additionally provided with a upper cover, and the top of the four-way structure is pierced by from upper cover, at least
Upper cover is connected on the fan housing of motor by one tapping screw, to limit upper cover.Motor housing is equipped with multiple cooling fins, dust
Between fins, cooling fin especially at the top of motor housing is exposed to be easier to accumulation dust when outer, and inconvenient for easy accumulation
In cleaning, the outer cover of setting can effectively blocks dust fall between the cooling fin at the top of motor housing, reduce cleaning difficulty, it is right
Four-way structure and pressurized tank also function to protective effect, prevent the two from destroying by wind and weather and by external force.
Further, the upper cover is plastic part, thereon integrally formed with limit chamber and at least one cavity, the limit
Chamber is corresponding with the four-way locations of structures, in order to which the top of the four-way structure is stretched out from limit chamber, the tapping screw
It is fixed on the fan housing after being arranged in the bottom wall of cavity, so that upper cover position is fixed.The upper cover of plastic material can pass through injection molding
Mode forms, and difficulty of processing is low and can save cost；Limit chamber and cavity play booster action to upper cover, effectively prevent upper cover
Deformation.
Further, the top of the four-way structure is equipped with external thread part, and one sets internal thread gland from the upper of upper cover
Side is mounted at external thread part, to limit upper cover.This structure makes upper cover convenient for disassembly and assembly, and effectively can avoid covering on and make
It is shaken with process.
Further, multiple supporting ribs successively arranged are covered on described, the supporting rib rides over the upper table of pressurized tank
Face, this makes upper cover be able to maintain certain intensity, be unlikely to deform.
The utility model has the advantages that electromagnetic coil is wrapped up by plastic part, and the plastic packaging of the plastic shell of rotor
Electromagnetic coil is further protected at end, and electromagnetic coil will not expose from the end of stator and rotor engagement, reduces electromagnetism
The probability that coil is contacted with fluid reduces the impaired possibility of motor；In addition, the limiting slot for limiting permanent magnet is in put
Penetrate shape arrangement, when running at high speed, permanent magnet is not easily to fall off, and structure is relatively stable, and motor is had electromagnetic torque is big, effect
The advantages of rate is high, anti-degaussing ability is strong, speed-regulating range width.
Detailed description of the invention
Fig. 1 is the overall structure diagram of centrifugal multistage pump multiple centrifugal pump；
Fig. 2 is the assembling structure schematic diagram of centrifugal multistage pump multiple centrifugal pump；
Fig. 3 is impeller and rotating shaft assembling structure schematic diagram；
Fig. 4 is the cross-sectional view of motor；
Fig. 5 is the structural schematic diagram of upper cover；
In figure: the 1- pump housing；11- water inlet；12- water outlet；13- impeller；131- groove；2- motor；21- plastic shell；
211- limiting slot；212- plastic packaging end；22- plastic part；23- fan housing；3- four-way structure；31- flange arrangement；32- external thread part；4-
Pressurized tank；5- pressure transmission device；6- copper non-return valve；61- elastic component；7- shaft；71- flat key；8- upper cover；81- tapping screw；
82- limit chamber；83- cavity；84- supporting rib；9- gland；10- frequency converter.
Specific embodiment
Below with reference to the attached drawing of the utility model, the technical solution of the utility model embodiment is explained and illustrated,
But following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode, this field
Technical staff's obtained other embodiments without making creative work, belong to the protection model of the utility model
It encloses.
The centrifugal multistage pump multiple centrifugal pump of the present embodiment, as shown in Figures 1 to 5, the pump housing including being equipped with water inlet 11 and water outlet 12
1, and the motor 2 of the work of the pump housing 1 is driven, impeller 13 is set in the pump housing 1, the rotor of motor 2 is connect with shaft 7, and shaft 7 is worn
The impeller 13 is connected after crossing the pump housing 1, to drive impeller 13 to rotate, electromagnetic coil is embedded in plastic part 22 as motor 2
Stator, the rotor of the motor 2 are equipped with plastic shell 21, and the both ends of the plastic shell 21 are plastic packaging end 212, the motor 2
Rotor using ferrite be used as permanent magnet, the plastic shell 21 equipped with multiple radial arrangements limiting slot 211, often
A ferrite is embedded in a limiting slot 211.
In this setting, electromagnetic coil is wrapped up by plastic part 22, and the plastic packaging end 212 of the plastic shell 21 of rotor is to electromagnetism
Coil is further protected, and electromagnetic coil will not expose from the end of stator and rotor engagement, reduces electromagnetic coil and stream
The probability of body contact, reduces the impaired probability of motor 2；In addition, the radial cloth of limiting slot 211 for limiting permanent magnet
Set, when running at high speed, permanent magnet is not easily to fall off, and structure is relatively stable, and make motor have electromagnetic torque it is big, it is high-efficient,
The advantages of anti-degaussing ability is strong, speed-regulating range width.
It is equipped with four-way structure 3 at the water outlet 12 of the pump housing 1, pressurized tank 4 is connected in the four-way structure 3 and pressure becomes
The water outlet 12 of fast device 5, the pump housing 1 is connect by flange arrangement 31 with four-way structure 3.Pressurized tank 4 and pressure transmission device 5 connect
It connects in four-way structure 3, has the effect of convenient for disassembly and assembly, moreover it is possible to meet compact-sized requirement.
The water outlet 12 of the pump housing 1 and the junction of four-way structure 3 are equipped with copper non-return valve 6, the copper non-return valve 6 and pump
The junction of body 1 is equipped with sealing ring, and passes through 61 return of elastic component.Non-return valve is typically provided at water inlet, due to water inlet
Mouth is often attached with connecting tube, and non-return valve is usually installed in the inside of water inlet, and this often results in non-return valve dismounting
Inconvenience is unfavorable for repairing and replace, and water outlet 12 is connect with four-way structure 3 by flange arrangement 31 in the utility model, and copper
The junction of water outlet 12 Yu four-way structure 3 is arranged in non-return valve 6, and installation and removal are more convenient, is conducive to copper non-return valve 6
Maintenance and replacement, and 6 anti-corrosion effect of copper non-return valve is preferable.
The impeller connecting pin of the shaft 7 is set there are two flat key 71, and the flat key 71 is fixedly connected in shaft 7, impeller
There are two 13, the groove 131 for limiting flat key 71 is opened up on each impeller 13, flat key 71 limits in groove 131, so that two
A impeller 13 can follow shaft 7 to rotate.In conventional centrifugal pump, waist-shaped hole is opened up on impeller 13, the impeller connecting pin of shaft 7 needs
It could cooperate with waist-shaped hole after being processed two planes, and this structure is increased and is processed into requirement on machining accuracy height
This, while the junction of shaft 7 and impeller 13 is easily slided upon wear, is unfavorable for stable structure；The utility model passes through
Flat key 71 is added in shaft 7, and the groove 131 for limiting flat key 71 is opened up on impeller 13 to realize shaft 7 and impeller 13
Assembly, assembly difficulty reduces, also not high to requirement on machining accuracy, reduces processing cost, and even if abrasion condition impeller 13 occurs
Also it is less likely to occur to slide between shaft 7, structure is relatively stable.
The centrifugal multistage pump multiple centrifugal pump is additionally provided with upper cover 8, and the top of the four-way structure 3 is pierced by from upper cover 8, two tapping screws
81 are connected to upper cover 8 on the fan housing 23 of motor 2, to limit upper cover 8.2 shell of motor is equipped with multiple cooling fins, and dust is easy
Between fins, the cooling fin of especially 2 cover top portion of motor is exposed to be easier to accumulation dust when outer, and is not easy to clear for accumulation
Wash, the outer cover of setting can effectively blocks dust fall between the cooling fin of 2 cover top portion of motor, cleaning difficulty is reduced, to four
Logical structure 3 and pressurized tank 4 also function to protective effect, prevent the two from destroying by wind and weather and by external force.
The upper cover 8 is plastic part, thereon integrally formed with limit chamber 82 and two cavitys 83, the limit chamber 82 and institute
State that 3 position of four-way structure is corresponding, in order to which the top of the four-way structure 3 is stretched out from limit chamber 82, the tapping screw 81
It is fixed on the fan housing 23 after being arranged in the bottom wall of cavity 83, so that 8 position of upper cover is fixed.The upper cover 8 of plastic material can lead to
Injection molding manner molding is crossed, difficulty of processing is low and can save cost；Limit chamber 82 and cavity 83 play booster action to upper cover 8,
It effectively prevent upper cover 8 to deform.
The top of the four-way structure 3 is equipped with external thread part 32, if internal thread gland 9 is installed from the top of upper cover 8
At external thread part 32, to limit upper cover 8.This structure makes upper cover 8 convenient for disassembly and assembly, and can effectively avoid upper cover 8 from making
It is shaken with process.
The upper cover 8 is equipped with multiple supporting ribs 84 successively arranged, and the supporting rib 84 rides over the upper surface of pressurized tank 4,
This makes upper cover 8 be able to maintain certain intensity, be unlikely to deform.
Motor 2 is equipped with frequency converter 10, for controlling the revolving speed of motor 2.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, one skilled in the art should be understood that the utility model includes but is not limited to attached drawing and specific embodiment above
Described in content.The modification of any function and structure principle without departing from the utility model is intended to be included in the model of claim
In enclosing.
Claims (8)
1. a kind of centrifugal multistage pump multiple centrifugal pump, described including being equipped with the pump housing of inlet and outlet and the motor of transfer tube body running
Impeller is set in the pump housing, the rotor of motor is connect with a shaft, and shaft connects the impeller after passing through the pump housing, to drive impeller to turn
It is dynamic, which is characterized in that electromagnetic coil is embedded the stator in a plastic part as motor, and the rotor of the motor is equipped with a plastic packaging
Shell, the both ends of the plastic shell are plastic packaging end, and the plastic shell is equipped with the limiting slot of multiple radial arrangements, often
A permanent magnet is embedded in a limiting slot.
2. centrifugal multistage pump multiple centrifugal pump according to claim 1, which is characterized in that the water outlet of the pump housing is equipped with a four-way knot
Structure, pressurized tank and pressure transmission device are connected in the four-way structure, and the water outlet of the pump housing passes through flange arrangement and four-way knot
Structure connection.
3. centrifugal multistage pump multiple centrifugal pump according to claim 2, which is characterized in that the water outlet of the pump housing and the company of four-way structure
It connects and locates to be equipped with copper non-return valve, the junction of the copper non-return valve and the pump housing is equipped with sealing ring, and passes through elastic component return.
4. centrifugal multistage pump multiple centrifugal pump according to claim 1, which is characterized in that the impeller connecting pin of the shaft is equipped at least one
A flat key, the flat key are fixedly connected in shaft, and the groove for limiting flat key is opened up on the impeller, so that impeller can
Shaft is followed to rotate.
5. centrifugal multistage pump multiple centrifugal pump according to claim 2, which is characterized in that the centrifugal multistage pump multiple centrifugal pump is additionally provided with a upper cover, institute
The top for stating four-way structure is pierced by from upper cover, and upper cover is connected on the fan housing of motor by least one tapping screw, in limit
Cover.
6. centrifugal multistage pump multiple centrifugal pump according to claim 5, which is characterized in that the upper cover is plastic part, is integrally formed thereon
There are limit chamber and at least one cavity, the limit chamber is corresponding with the four-way locations of structures, in order to the four-way structure
Top stretched out from limit chamber, the tapping screw is fixed on the fan housing after being arranged in the bottom wall of cavity.
7. centrifugal multistage pump multiple centrifugal pump according to claim 5 or 6, which is characterized in that the top of the four-way structure is equipped with outer spiral shell
Line portion, one sets internal thread gland is mounted on from external thread part above upper cover, to limit upper cover.
8. centrifugal multistage pump multiple centrifugal pump according to claim 5, which is characterized in that be covered with multiple supports successively arranged on described
Muscle, the supporting rib ride over the upper surface of pressurized tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920115613.8U CN209329820U (en) | 2019-01-23 | 2019-01-23 | A kind of centrifugal multistage pump multiple centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920115613.8U CN209329820U (en) | 2019-01-23 | 2019-01-23 | A kind of centrifugal multistage pump multiple centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209329820U true CN209329820U (en) | 2019-08-30 |
Family
ID=67731806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920115613.8U Active CN209329820U (en) | 2019-01-23 | 2019-01-23 | A kind of centrifugal multistage pump multiple centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209329820U (en) |
-
2019
- 2019-01-23 CN CN201920115613.8U patent/CN209329820U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240319 Address after: Room 02, Building 02, No. 1128 Nanci 1st Road, Anhui Xinwu Economic Development Zone, Wanzhou District, Wuhu City, Anhui Province, 242500 Patentee after: Poluodun Intelligent Pump Industry (Anhui) Co.,Ltd. Country or region after: China Address before: 317500 Room 401, 2 Chuang Chuang building, 1333 Wanchang Road, Chengdong street, Wenling, Taizhou, Zhejiang, China Patentee before: PRODN INTELLIGENT CONTROL ELECTRONIC TECHNOLOGY (ZHEJIANG) CO.,LTD. Country or region before: China |