CN205207207U - Integral type magnetic drive pump based on two motor drive of axial - Google Patents
Integral type magnetic drive pump based on two motor drive of axial Download PDFInfo
- Publication number
- CN205207207U CN205207207U CN201520984503.7U CN201520984503U CN205207207U CN 205207207 U CN205207207 U CN 205207207U CN 201520984503 U CN201520984503 U CN 201520984503U CN 205207207 U CN205207207 U CN 205207207U
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- stator
- pump
- pump housing
- magnetic drive
- mesochite
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 230000004323 axial length Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012457 nonaqueous media Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an integral type magnetic drive pump based on two motor drive of axial, includes the pump body, impeller, pump shaft, permanent magnet rotor and electric magnetic stator, the pump body includes the preceding shell of the pump body, pump body mesochite and pump body backshell, two preceding, back cavities are separated into with pump body inboard to pump body mesochite, in the cavity, permanent magnet rotor installs at the back cavity indoorly install impeller in the front, the impeller links together through the pump shaft with permanent magnet rotor, electricity magnetic stator includes left stator and right stator, the left and right sides at the back cavity is installed relatively to left side stator and right stator, left side stator and right stator are arranged along pump shaft circumference, permanent magnet rotor installs between left stator and right stator, left side stator is sealed by baffle and spacer respectively with right stator to keep apart with permanent magnet rotor. The utility model discloses equal output shortened pump body axial length, reduced pump body volume, improved impeller moment of torsion and reduce the vibration, under requiring the utility model discloses the size is littleer.
Description
Technical field
The utility model relates to a kind of magnetic drive pump, particularly a kind of integral type magnetic drive pump based on axial Dual-motors Driving.
Background technique
As a kind of no-leakage pump, magnetic drive pump is widely used in the pumping carrying out non-aqueous media in the fields such as medicine, chemical industry, petrochemical industry.
Existing magnetic drive pump often by motor, magnetic driver and pump three part form, wherein, magnetic driver is made up of outer magnet rotor, interior magnet rotor and non-magnetic separation sleeve; Interior magnet rotor is connected with pump rotor, is positioned at the confined space of separation sleeve and pump housing formation; Outer magnet rotor is connected with rotor, is positioned at outside separation sleeve.Adopt the magnetic drive pump of magnetic driving mechanism to change the motive sealing of common water pump into static seal by separation sleeve, prevent seepage, inside and outside the completely isolated pump housing, be widely used in poisonous, to have the harsh fields such as corrosion fluid pumping.But, this magnetic drive pump volume and weight is comparatively large, complex structure, cost are high, and the care and maintenance of magnetic driving mechanism trouble.Along with the development of society and the technology upgrading of every field, the requirement of people to magnetic drive pump is also more and more higher, and large, the bulky magnetic drive pump of existing weight has been difficult to the demand meeting people.
In order to overcome these shortcomings, the active p-m rotor electromagnetic stator of magnetic driving mechanism can be replaced, driven p-m rotor, directly as rotor, realizes motor-and-pump integrated, thus thoroughly changes the mentality of designing of original magnetic drive pump.Thus, based on this principle, there is a lot of pertinent literature to be in succession disclosed.As document: CN104153999A discloses a kind of pump integrated micro high-speed magnetic pump, by the back shroud external peripheral surface at impeller, permanent magnet is installed, make permanent magnet and staor winding form radial motor, thus realize motor-and-pump integrated, to reduce volume and the weight of magnetic drive pump; Document CN104179693A discloses a kind of magnetic drive pump, by impeller is provided with central shaft, installs the p-m rotor of " cartridge type " in the both sides of central shaft, utilizes the rotation impeller between p-m rotor and stator.But the form of the p-m rotor that these two documents adopt is " cartridge type ", its structure is comparatively large, makes the size of whole magnetic drive pump be subject to the restriction of p-m rotor, thus also there is very large room for improvement in reduction volume and weight.Further, the magnetic drive pump disclosed in document CN104179693A, owing to adopting the p-m rotor of " cartridge type ", causes the axial dimension of the central shaft for installing this p-m rotor comparatively large, thus makes the axial dimension of whole magnetic drive pump larger.
Model utility content
The purpose of this utility model is, in order to overcome the above-mentioned deficiency of prior art, provides the integral type magnetic drive pump based on axial Dual-motors Driving that a kind of, weight less in equal output power lower volume is lighter, overall structure is compacter.
To achieve these goals, the technological scheme that the utility model adopts is: a kind of integral type magnetic drive pump based on axial Dual-motors Driving, comprises the pump housing, impeller, pump shaft, p-m rotor and electromagnetic stator; The described pump housing comprises pump housing fore shell, pump housing mesochite and pump housing back cover; Pump housing internal separation is become former and later two chambers by pump housing mesochite; Impeller is arranged in front chamber, and p-m rotor is arranged in rear chamber; Impeller and p-m rotor are linked together by pump shaft; Described electromagnetic stator comprises left stator and right stator; Left stator and right stator are mounted opposite the left and right sides in rear chamber; Left stator and right stator are along pump shaft circumferentially; P-m rotor is arranged between left stator and right stator; Left stator and right stator are sealed by dividing plate and spacer respectively, and isolate with p-m rotor.
Further, described left stator is embedded on pump housing mesochite; Right stator is embedded on pump housing back cover.
Further, described dividing plate is fixed in pump housing mesochite rear chamber side inner concave wall, left stator and rear chamber's inner fluid is isolated; Spacer and pump housing mesochite are fixed on pump housing fore shell together with pump housing back cover, right stator and rear chamber's inner fluid are isolated.
Further, described p-m rotor is circumferentially embedded with the permanent magnet matched with left stator and right stator.
Further, described pump housing fore shell offers fluid inlet and fluid output.
Further, described left stator and right stator have identical structure, include stator yoke and field coil; Stator yoke is overrided to form by silicon steel thin slice; The mode that laminates of stator yoke is that relative pump shaft radial direction laminates; Field coil is around in the yoke portion of stator yoke.
Further, described pump shaft is installed in the axis hole of pump housing mesochite by bearing.
Further, described permanent magnet is annular permanent magnet.
Principle of the present utility model is: left stator and right stator form electromagnetic stator, and p-m rotor is inlaid with annular permanent magnet, makes the p-m rotor in the middle of electromagnetic stator and electromagnetic stator form axial direction electric machine.Axial direction electric machine is by rotating in a circumferential direction magnetic field and to the circumferential active force of p-m rotor one, make pump shaft rotate; Pump shaft can drive the vane rotary of mounted thereto when rotating, and then magnetic drive pump is started working.This mode that the utility model adopts, forms axial direction electric machine by p-m rotor and electromagnetic stator; Axial direction electric machine requires lower to the axial length of pump shaft, thus compared with " cartridge type " radial motor described in document CN104179693A, do not need longer pump shaft to support, thus decrease the axial length of pump shaft, and then reduce the size of whole magnetic drive pump; Further, the utility model is that p-m rotor and left stator, right stator are formed two axial direction electric machines, thus increases output power, can ensure that, under same output power, the volume of magnetic drive pump is less, weight is lighter.
In addition, dividing plate and pump housing mesochite, spacer and pump housing back cover isolate electromagnetic stator, make liquid not enter motor electronic winding, and mechanical seal (motive sealing) is become seal ring standstill seal.
The utility model compared with prior art has following features:
1, annular permanent magnet is circumferentially embedded on rotor by the utility model, forms axial direction electric machine, decrease axial length with electromagnetic stator, decreases magnetic drive pump volume and weight, achieves motor-and-pump integrated.
2, biaxially motor drives, and increases rotating force, reduces axial force, and then reduces noise, and under equal pumping power requirement, the utility model volume is less.
Below in conjunction with the drawings and specific embodiments, detailed construction of the present utility model is further described.
Accompanying drawing explanation
Fig. 1-be structural representation of the present utility model.
In figure: the 1-pump housing, 2-impeller, 3-pump shaft, 4-p-m rotor, 5-electromagnetic stator, 6-dividing plate, 7-spacer, 8-permanent magnet, 9-bearing, 11-pump housing fore shell, 12-pump housing mesochite, 13-pump housing back cover, the left stator of 51-, the right stator of 52-, 111-fluid inlet, 112-fluid output.
Embodiment
As shown in the figure, a kind of based on axial Dual-motors Driving integral type magnetic drive pump, comprise the pump housing 1, impeller 2, pump shaft 3, p-m rotor 4 and electromagnetic stator 5; The described pump housing 1 is axially made up of pump housing fore shell 11, pump housing mesochite 12 and pump housing back cover 13 along pump shaft 3; Pump housing internal separation is become former and later two chambers by pump housing mesochite 12; Electromagnetic stator 5 is made up of left stator 51 and right stator 52; Described pump housing fore shell 11 front end is provided with the fluid inlet 111 be communicated with front chamber, and pump housing fore shell 11 top is provided with the fluid output 112 be communicated with front chamber; Pump housing mesochite 12 and pump housing back cover 13 opposing insert have along pump shaft 3 left stator 52 circumferentially and right stator 52.
There is impeller 2 in described front chamber, in rear chamber, have the p-m rotor 4 matched with left stator 51 and right stator 52; Described pump housing mesochite 12 and the embedded left stator 51 of pump housing back cover 13 and right stator 52 are sealed by dividing plate 6 and spacer 7 respectively, and isolate with p-m rotor 4; Described impeller 2 is fixed on pump shaft 3, and p-m rotor 4 is also fixed on the other end of pump shaft 3 simultaneously, and pump shaft 3 is installed in the axis hole of pump housing mesochite 12 by bearing 9.
Described pump housing mesochite 12 positioned opposite and the embedded left stator 51 of pump housing back cover 13 and right stator 52 are positioned at the left and right sides of rear chamber, described dividing plate 6 is fixed in pump housing mesochite 12 rear chamber side inner concave wall, and left stator 51 is isolated with rear chamber's inner fluid, the front periphery of described spacer 7 is fixed on pump housing fore shell 11 together with the periphery of pump housing back cover 13 with pump housing mesochite 12, and is isolated with rear chamber's inner fluid by right stator 52.
Described p-m rotor 4 is circumferentially embedded with the permanent magnet 8 matched with left stator 51 and right stator 52; Permanent magnet 8 is annular permanent magnet.
Described left stator 51 and right stator 52 have identical mechanical structure, i.e. stator yoke and field coil, and stator yoke is overrided to form by silicon steel thin slice, and pump shaft is that radial direction laminates relatively, and field coil is around in the yoke portion of stator yoke.
Described pump housing fore shell 11 and pump housing mesochite 12, pump housing mesochite 12 and dividing plate 6, pump housing mesochite 12 and spacer 7 and be provided with seal ring between spacer 7 and pump housing back cover 13, the conveying liquid of described magnetic drive pump is isolated by described dividing plate 6 and spacer 7, make liquid not enter left stator 51 and right stator 52, change motive sealing into static seal.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technology thereof, then the utility model is also intended to comprise these change and modification.
Claims (8)
1., based on an integral type magnetic drive pump for axial Dual-motors Driving, comprise the pump housing (1), impeller (2), pump shaft (3), p-m rotor (4) and electromagnetic stator (5); The described pump housing (1) comprises pump housing fore shell (11), pump housing mesochite (12) and pump housing back cover (13); Pump housing internal separation is become former and later two chambers by pump housing mesochite (12); Impeller (2) is arranged in front chamber, and p-m rotor (4) is arranged in rear chamber; Impeller (2) and p-m rotor (4) are linked together by pump shaft (3); It is characterized in that: described electromagnetic stator (5) comprises left stator (51) and right stator (52); Left stator (51) and right stator (52) are mounted opposite the left and right sides in rear chamber; Left stator (51) and right stator (52) are along pump shaft (3) circumferentially; P-m rotor (4) is arranged between left stator (52) and right stator (52); Left stator (51) and right stator (52) are sealed by dividing plate (6) and spacer (7) respectively, and isolate with p-m rotor (4).
2., as claimed in claim 1 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described left stator (51) is embedded on pump housing mesochite (12); Right stator (52) is embedded on pump housing back cover (13).
3., as claimed in claim 1 or 2 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described dividing plate (6) is fixed in pump housing mesochite (12) rear chamber side inner concave wall; Spacer (7) is fixed on pump housing fore shell (11) together with pump housing mesochite (12) and pump housing back cover (13).
4., as claimed in claim 3 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described p-m rotor (4) is circumferentially embedded with the permanent magnet (8) matched with left stator (51) and right stator (52).
5., as claimed in claim 1 or 2 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described pump housing fore shell (11) offers fluid inlet (111) and fluid output (112).
6., as claimed in claim 3 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described left stator (51) and right stator (52) have identical structure; Include stator yoke and field coil; Stator yoke is overrided to form by silicon steel thin slice; The mode that laminates of stator yoke is that relative pump shaft radial direction laminates; Field coil is around in the yoke portion of stator yoke.
7., as claimed in claim 1 or 2 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described pump shaft (3) is installed in the axis hole of pump housing mesochite (12) by bearing (9).
8., as claimed in claim 4 based on the integral type magnetic drive pump of axial Dual-motors Driving, it is characterized in that: described permanent magnet (8) is annular permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984503.7U CN205207207U (en) | 2015-12-02 | 2015-12-02 | Integral type magnetic drive pump based on two motor drive of axial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984503.7U CN205207207U (en) | 2015-12-02 | 2015-12-02 | Integral type magnetic drive pump based on two motor drive of axial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207207U true CN205207207U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520984503.7U Expired - Fee Related CN205207207U (en) | 2015-12-02 | 2015-12-02 | Integral type magnetic drive pump based on two motor drive of axial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332927A (en) * | 2015-12-02 | 2016-02-17 | 湖南机电职业技术学院 | Integrated magnetic pump based on axial dual motor driving |
-
2015
- 2015-12-02 CN CN201520984503.7U patent/CN205207207U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332927A (en) * | 2015-12-02 | 2016-02-17 | 湖南机电职业技术学院 | Integrated magnetic pump based on axial dual motor driving |
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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 |
Granted publication date: 20160504 |