CN206144806U - Axial -flow type hot water circulating pump - Google Patents
Axial -flow type hot water circulating pump Download PDFInfo
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- CN206144806U CN206144806U CN201621156270.2U CN201621156270U CN206144806U CN 206144806 U CN206144806 U CN 206144806U CN 201621156270 U CN201621156270 U CN 201621156270U CN 206144806 U CN206144806 U CN 206144806U
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- impeller
- rotor
- pressure sleeve
- axial
- scution bush
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Abstract
The utility model relates to an axial -flow type hot water circulating pump. The problem of the existence is connected through pivot and rotor to the impeller is solved. Technical scheme does: the axis of impeller pivot respectively with scution bush subassembly and pressure sleeve subassembly dead in line, rotor setting on the motor is in on the rim of impeller, the rotor is followed the impeller circumferencial direction sets up, is driven by the rotor rotating impeller. Its effect: the axis that adopts the impeller pivot respectively with the scheme of scution bush subassembly and pressure sleeve subassembly dead in line, by rotor direct drive impeller, avoid transmitting the moment of torsion through the rotor shaft, make each component structure arrange rationally to simplify the part, not only be favorable to the rationalization of exterior structure, also be favorable to improving operational reliability, improve life, reduce the maintenance rate.
Description
Technical field
This utility model is related to a kind of circulating pump, more particularly to a kind of axial-flow type hot water circuit for changing impeller-driven mode
Pump.
Background technology
Rosette is set on existing circulating pump（For the electrical connection of motor）, the rosette be arranged on stator case carry on the back
To the axial side of pump case.Rosette generally also includes motor electronic device, such as converter.Existing circulating pump mainly also includes
Pump case with scution bush and pressure sleeve, the impeller of pump being arranged in pump case, the motor of driven pump impeller, by electricity
The rotating shaft that motivation drives carries impeller of pump.The stator of surrounding rotor is arranged in electric machine casing, towards pump case on electric machine casing
Side there is flange or similar connecting element, electric machine casing, particularly stator case are by the connecting element and pump case
It is connected.
Scution bush in this circulating pump is connected to motor casing with pressure sleeve by flange or similar connecting element
The side of body；Impeller is centrifugal impeller, is arranged in pump case body, and the axis direction of its axis and scution bush and pressure sleeve hangs down
Directly, impeller and rotor typically by armature spindle come transmitting torque.
The content of the invention
The purpose of this utility model is to solve the problems referred to above of prior art presence and provide a kind of axial-flow type hot water and follow
Ring pump, the scheme overlapped with scution bush component and pressure sleeve arrangement axis respectively using the axis of impeller shaft, by rotor
Direct drive impeller, it is to avoid by armature spindle come transmitting torque, makes each modular construction connection and reasonable arrangement, and simplifies part, does not only have
Beneficial to the rationalization of external structure, it is also beneficial to improve operational reliability, improves service life, reduces maintenance rate.
What above-mentioned technical purpose of the present utility model was mainly solved by the following technical programs：Axial-flow type hot water circuit
Pump, including the motor of scution bush component, pressure sleeve component, impeller and driving impeller, the impeller is arranged on the suction
Between thimble assembly and the pressure sleeve component, it is characterised in that the electrical axis direction arranges installation through-hole, the suction
Enter thimble assembly and pressure sleeve component inserts the installation through-hole, the impeller is placed in the installation through-hole, the impeller
The two ends of rotating shaft are separately positioned on the scution bush component and pressure sleeve component, the axis of the impeller shaft respectively with
The scution bush component and pressure sleeve arrangement axis overlap, and the rotor on the motor is arranged on the wheel rim of the impeller
On, the rotor is arranged along the circumference of impeller direction, and by rotor the wheel rotation is driven.Using the axis point of impeller shaft
The scheme not overlapped with scution bush component and pressure sleeve arrangement axis, directly drives impeller, it is to avoid by rotor by rotor
Axle carrys out transmitting torque, makes each modular construction connection and reasonable arrangement, and simplifies part, not only contributes to the rationalization of external structure, also has
Beneficial to operational reliability is improved, service life is improved, reduce maintenance rate.
Used as further improving and supplementing to above-mentioned technical proposal, this utility model adopts following technical measures：It is described
Impeller has respectively junction between the scution bush component, pressure sleeve component, and the junction arranges separator, institute
Rotor seal is stated on the wheel rim of the impeller, the permanent magnet on the rotor is circumferentially torsionally arranged on the wheel of impeller along impeller
On edge.The setting of separator, prevents liquid from entering motor internal and flowing to outside motor and the pump housing.Rotor seal is in the impeller
Wheel rim on, on the other hand rotor on the one hand can be made to drive wheel rotation, seal to rotor, prevent rotor from entering liquid
Body or impurity.Under normal circumstances, impeller is moulding, rotor when impeller is produced can with injection molding packaging on wheel rim,
Can be on the impeller that injection is completed in injection molding packaging rotor.
In order to prevent rotor axial play, even depart from impeller, the two ends of the wheel rim are respectively provided with defining flange,
The spacing of defining flange described in two matches with the width of the rotor, for limiting rotor axial play.
In order to protect rotor, the rotor outer surface to arrange protection sleeve.Protection sleeve can be encapsulated in inside moulding,
Can also be arranged on outside moulding, be as a rule preferred with being arranged on outside moulding.
In order to reduce the quantity of separator, the separator is disrance sleeve, and the disrance sleeve covers the impeller point
Not with the connecting portion between the scution bush component, pressure sleeve component, the rotor is arranged on the disrance sleeve
In socket.
The scution bush component includes scution bush and is arranged on the inner pilot blade of scution bush；The pressure sleeve
Component includes pressure sleeve and is arranged on the inner rear guide vane of pressure sleeve；Axle is respectively provided with the pilot blade and rear guide vane
Corresponding axis hole is inserted respectively in hole, the two ends of the impeller shaft.Between impeller and scution bush component, pressure sleeve component
Attachment structure is reasonable, reliable.
The inner of the scution bush arranges first and assembles groove structure, and the pilot blade interference fit is placed in described the
In one assembling groove structure；The inner of the pressure sleeve arranges the second assembling groove structure, the rear guide vane interference fit
It is placed in the second assembling groove structure.
The first adpting flange with evagination on the scution bush outer wall, has evagination on the pressure sleeve outer wall
Second adpting flange, first adpting flange and the second adpting flange are connected to the two of electric machine casing by connector respectively
End.Scution bush and pressure sleeve all have extension section at the two ends of electric machine casing.
The outer of the permanent magnet inwall is uniformly distributed some locating slots, the positioning on the impeller with insertion locating slot
Salient point.The cooperation of locating slot and positioning convex point, it is possible to increase the positioning intensity between permanent magnet and impeller, reduces and relatively rotates now
The appearance of elephant.
This utility model has the advantage that：1st, using impeller shaft axis respectively with scution bush component and pressure
The scheme of thimble assembly dead in line, by rotor impeller is directly driven, it is to avoid by armature spindle come transmitting torque, ties each part
Structure connection and reasonable arrangement, and simplify part, the rationalization of external structure is not only contributed to, it is also beneficial to improve operational reliability, improve
Service life, reduces maintenance rate.2nd, the setting of separator prevents liquid from entering motor internal and flowing to outside motor and the pump housing.3、
Rotor seal can make rotor drive wheel rotation on the wheel rim of the impeller, on the one hand, on the other hand, rotor be carried out close
Envelope, prevents rotor from entering liquid or impurity.4th, in order to prevent rotor axial play, even depart from impeller, the wheel rim
Two ends are respectively provided with defining flange, and the spacing of defining flange described in two matches with the width of the rotor, for limiting rotor
Axial float.5th, the attachment structure between impeller and scution bush component, pressure sleeve component is reasonable, reliable.6th, scution bush
It is connected with the two ends of electric machine casing respectively with pressure sleeve, and all there is extension section at the two ends of electric machine casing.
Description of the drawings
Fig. 1 is a kind of cross section structure diagram of the present utility model.
Fig. 2 is a kind of cross section structure diagram of scution bush/pressure sleeve in this utility model.
Fig. 3 is a kind of structural representation of half electric machine casing in this utility model.
Fig. 4 is a kind of structural representation of separator in this utility model.
Fig. 5 is a kind of cross section structure diagram that impeller encapsulates permanent magnet in this utility model.
Fig. 6 is a kind of structural representation of permanent magnet in this utility model.
Fig. 7 is a kind of structural representation when omitting permanent magnet in this utility model after injection molding impeller and permanent magnet.
Specific embodiment
Below by embodiment, and accompanying drawing is combined, the technical solution of the utility model is described in further detail.
Embodiment：Axial-flow type hot water circulating pump, as shown in figure 1, it include scution bush component 1, pressure sleeve component 2,
Impeller 4 and drive the motor 3 of impeller, the impeller 4 be arranged on the scution bush component and the pressure sleeve component it
Between.The electrical axis direction arranges installation through-hole, and the scution bush component 1 and pressure sleeve component 2 insert the installation
Through hole, the impeller 4 is placed in the installation through-hole, and the two ends of the rotating shaft of the impeller 4 are separately positioned on the scution bush group
On part and pressure sleeve component, the axis of the rotating shaft of the impeller 4 respectively with the scution bush component 1 and pressure sleeve component 2
Dead in line, the rotor 8 on the motor is arranged on the wheel rim of the impeller 4, and the rotor 8 is along the circumference side of the impeller 4
To setting, the impeller 4 is driven to rotate by rotor 8.Using impeller shaft axis respectively with scution bush component and pressure sleeve
The scheme of tube assembly dead in line, by rotor impeller is directly driven, it is to avoid by armature spindle come transmitting torque, makes each modular construction
Connection and reasonable arrangement, and simplify part, the rationalization of external structure is not only contributed to, it is also beneficial to improve operational reliability, raising makes
With the life-span, maintenance rate is reduced.
The impeller 4 has respectively junction, the junction between the scution bush component, pressure sleeve component
Separator 7 is set, and the rotor is isolated on the wheel rim of the impeller, motor 3 is wet operation motor, it includes electric machine casing 5,
The stator 6 and rotor 8 being arranged in electric machine casing, the permanent magnet 9 on rotor 8 is circumferentially torsionally arranged on impeller along impeller 4
On wheel rim 10, impeller 4 and permanent magnet 9 form a whole, and are in the pilot blade of scution bush component 1 and pressure sleeve component 2
Between 16 and rear guide vane 17.The setting of separator, prevents liquid from entering motor internal and flowing to outside motor and the pump housing.Rotor is close
It is enclosed on the wheel rim of the impeller, rotor on the one hand can be made to drive wheel rotation, on the other hand, rotor is sealed, prevents
Rotation stop enters liquid or impurity.Under normal circumstances, impeller is moulding, and rotor can be with injection molding packaging in leaf when impeller is produced
On wheel rim, it is also possible in injection molding packaging rotor on the impeller that injection is completed.In the present embodiment, impeller 4 and permanent magnet 9 are logical
Cross injection to be attached.
Impeller 4 is a kind of aial flow impeller, can be rotatably disposed in impeller axle 11 around axis X 33, by circumferential along impeller 4
The permanent magnet 9 being torsionally arranged on the wheel rim 10 of impeller is rotated.Impeller hub 12 is provided with sliding bearing 30, sliding axle
Hold 30 and form friction pair with 11 heart axle of impeller axle 11 being fixed on the support base of pilot blade and rear guide vane.
As shown in Fig. 1, Fig. 5 and Fig. 7, in order to prevent the axial float of rotor 8, even depart from impeller 4, the wheel rim
Two ends are respectively provided with defining flange 14, and the spacing of defining flange described in two matches with the width of the rotor, turn for limiting
Sub- axial float.
As shown in Figure 1 and Figure 5, in order to protect rotor, the rotor outer surface is arranged protects sleeve 15（Axially extend to
It is concordant with impeller two ends, preferably 304 rustless steel sleeves）.Protection sleeve can be encapsulated in inside moulding, it is also possible to be arranged on
Outside moulding, as a rule it is preferred with being arranged on outside moulding, and by the two ends of protection sleeve 15 by way of injection
It is fixed on impeller, as shown in Figure 5.Annular seal space is formed between wheel rim 10, the defining flange 14 of the sleeve 15 and impeller, by permanent magnetism
Body is sealed in this sealing intracavity.
As shown in Figure 1 and Figure 4, the separator 7 is disrance sleeve, the disrance sleeve cover the impeller respectively with institute
The connecting portion between scution bush component, pressure sleeve component is stated, the rotor is arranged in the socket of the disrance sleeve.
Separator is between stator 6 and rotor 8, and it seals pipe 28 and for being fixed on electric machine casing two by rustless steel
The rustless steel sealing tube flange 27 at end is constituted, and sealing is realized by welding between pipe 28 and sealing tube flange 27, so that
Stator 6 and the liquid for being conveyed are spaced in outside separator, and rotor 8 is immersed in conveyed liquid.The sealing He of pipe flange 27
Sleeve pipe 18 forms seal groove 29 after assembling, and O-ring is arranged in the seal groove, and realization conveys the sealing in liquid and the external world.
As shown in figure 1, the scution bush component includes scution bush and is arranged on the inner pilot blade of scution bush；Institute
Pressure sleeve component is stated including pressure sleeve and the inner rear guide vane of pressure sleeve is arranged on；Divide on the pilot blade and rear guide vane
Axis hole is not set, and corresponding axis hole is inserted respectively at the two ends of the impeller shaft.
As depicted in figs. 1 and 2, the scution bush component includes scution bush and is arranged on the leading of scution bush the inner
Leaf 16；The pressure sleeve component includes pressure sleeve and is arranged on the inner rear guide vane 17 of pressure sleeve；The pilot blade and
Axis hole is respectively provided with rear guide vane, corresponding axis hole is inserted respectively at the two ends of the impeller shaft.Impeller shaft and impeller hub
Between sliding bearing is set.
The inner of the scution bush arranges the first assembling groove structure 20, and being placed in for the pilot blade interference fit is described
In first assembling groove structure；The inner of the pressure sleeve arranges the second assembling groove structure, the rear guide vane interference fit
Be placed in it is described second assembling groove structure in.
As shown in figure 1, scution bush component 1 includes scution bush 18 and installed in scution bush and towards the end of impeller
Pilot blade 16.Sleeve pipe 18 is metal casting part, and the screw thread 19 of installation is provided with away from one end of impeller in scution bush 18,
The circular groove structure 20 for installing pilot blade 16 is provided with towards one end of impeller in scution bush 18, in the stage casing of scution bush 18
There is the flange 21 being fixed on scution bush component 1 by screw on electric machine casing 5 part.Pilot blade 16 be moulding, interference
Ground is arranged on scution bush 18 circular first and assembles in groove structure 20, and the support of axis hole is provided with the wheel hub 22 of pilot blade
Seat, the end of impeller axle 11 is fixed on interference in the axis hole of the support base.Impeller is by being fixed on pilot blade and rear guide vane wheel hub
Impeller axle 11 supported.
With scution bush component 1 in mapping symmetrical structure, rear guide vane 17 is also moulding to pressure sleeve component 2, with interference
In the assembling groove structure of circle second of sleeve pipe, on the wheel hub 23 of rear guide vane 17 support base, impeller axle are again provided with
11 other end is fixed on interference in the axis hole of the support base.
The first adpting flange 21 with evagination on the scution bush outer wall, has evagination on the pressure sleeve outer wall
The second adpting flange, first adpting flange and the second adpting flange are connected to the two of electric machine casing by connector respectively
End.Scution bush and pressure sleeve all have extension section at the two ends of electric machine casing.
As shown in figures 1 and 3, electric machine casing is made up of two metal halfs 24, and half shell is an outer wall belt radiating ribs
Cylindrical structure, its press-in stator one end have along more than outside diameter of cylinder flange I25, for connect two half shells 24；Separately
There is the flange II26 less than barrel bore one end, for the connection sealing adpting flange 21 of tube flange 27 and first.The interference of stator 6
Be fixed in electric machine casing 5.
As shown in Fig. 1, Fig. 5 and Fig. 7, permanent magnet is loop configuration（Annular, fan-shaped or other forms are can also be, at this
Loop configuration is preferably in embodiment）, and the iron core of stator 6 has identical height, and axially extends and stator core pair
Neat arrangement.The outer of its inwall is uniformly distributed some locating slots 31, and by being moulded on wheel rim 10 corresponding positioning is formed
The cooperation of salient point 32, locating slot and positioning convex point, it is possible to increase the positioning intensity between permanent magnet and impeller, reduces and relatively rotates
The appearance of phenomenon.To ensure the reliability of permanent magnet and the transmission of impeller moment of torsion.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to.Above-mentioned
In embodiment, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within, made
Any modification, equivalent substitution and improvements etc., should be included within protection domain of the present utility model.
Claims (10)
1. the motor of axial-flow type hot water circulating pump, including scution bush component, pressure sleeve component, impeller and driving impeller, institute
State impeller to be arranged between the scution bush component and the pressure sleeve component, it is characterised in that the electrical axis direction
Installation through-hole is set, and the scution bush component and pressure sleeve component insert the installation through-hole, and the impeller is placed in described
In installation through-hole, the two ends of the impeller shaft are separately positioned on the scution bush component and pressure sleeve component, described
The axis of impeller shaft overlaps respectively with the scution bush component and pressure sleeve arrangement axis, and the rotor on the motor sets
Put on the wheel rim of the impeller, the rotor is arranged along the circumference of impeller direction, and by rotor the wheel rotation is driven.
2. axial-flow type hot water circulating pump according to claim 1, it is characterised in that the impeller respectively with the suction set
Between tube assembly, pressure sleeve component with cooperation at, at the cooperation periphery arrange separator, the rotor seal is described
On the wheel rim of impeller, the permanent magnet on the rotor is circumferentially torsionally arranged on the wheel rim of impeller along impeller.
3. axial-flow type hot water circulating pump according to claim 2, it is characterised in that the two ends of the wheel rim set respectively
Defining flange is put, the spacing of defining flange described in two matches with the width of the rotor, for limiting rotor axial play.
4. axial-flow type hot water circulating pump according to claim 3, it is characterised in that the rotor outer surface arranges protective case
Cylinder.
5. the axial-flow type hot water circulating pump according to Claims 2 or 3 or 4, it is characterised in that the separator is separation sleeve
Pipe, the disrance sleeve cover the impeller respectively with the matching part between the scution bush component, pressure sleeve component,
The rotor is arranged in the socket of the disrance sleeve.
6. the axial-flow type hot water circulating pump according to claim 1 or 2 or 3 or 4, it is characterised in that the scution bush component
Including the scution bush pilot blade inner with scution bush is arranged on；The pressure sleeve component includes pressure sleeve and is arranged on
The inner rear guide vane of pressure sleeve；Axis hole, the two ends difference of the impeller shaft are respectively provided with the pilot blade and rear guide vane
Insert corresponding axis hole.
7. axial-flow type hot water circulating pump according to claim 5, it is characterised in that the scution bush component includes suction
The sleeve pipe pilot blade inner with scution bush is arranged on；The pressure sleeve component includes pressure sleeve and is arranged on pressure sleeve
Inner rear guide vane；Axis hole is respectively provided with the pilot blade and rear guide vane, correspondence is inserted respectively at the two ends of the impeller shaft
Axis hole.
8. axial-flow type hot water circulating pump according to claim 7, it is characterised in that the inner of the scution bush arranges the
One assembling groove structure, the pilot blade interference fit be placed in it is described first assembling groove structure in；The pressure sleeve
The inner arrange second assemble groove structure, the rear guide vane interference fit be placed in it is described second assembling groove structure in.
9. axial-flow type hot water circulating pump according to claim 8, it is characterised in that have on the scution bush outer wall outer
The first convex adpting flange, on the pressure sleeve outer wall with evagination the second adpting flange, first adpting flange and
Second adpting flange is connected to respectively the two ends of electric machine casing by connector.
10. the axial-flow type hot water circulating pump according to Claims 2 or 3 or 4, it is characterised in that the permanent magnet inwall it is outer
Along some locating slots are uniformly distributed, there is the positioning convex point of insertion locating slot on the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621156270.2U CN206144806U (en) | 2016-10-31 | 2016-10-31 | Axial -flow type hot water circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621156270.2U CN206144806U (en) | 2016-10-31 | 2016-10-31 | Axial -flow type hot water circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206144806U true CN206144806U (en) | 2017-05-03 |
Family
ID=58622283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621156270.2U Active CN206144806U (en) | 2016-10-31 | 2016-10-31 | Axial -flow type hot water circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206144806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567837A (en) * | 2016-10-31 | 2017-04-19 | 新界泵业集团股份有限公司 | Axial-flow type hot water circulating pump |
-
2016
- 2016-10-31 CN CN201621156270.2U patent/CN206144806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567837A (en) * | 2016-10-31 | 2017-04-19 | 新界泵业集团股份有限公司 | Axial-flow type hot water circulating pump |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201015 Address after: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone Patentee after: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Patentee after: SHIMGE PUMP INDUSTRY (HANGZHOU) Co.,Ltd. Address before: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone Patentee before: SHIMGE PUMP INDUSTRY Co.,Ltd. Patentee before: SHIMGE PUMP INDUSTRY (HANGZHOU) Co.,Ltd. |