CN110307177A - A kind of impeller assembly structure that scattered temp effect is good - Google Patents
A kind of impeller assembly structure that scattered temp effect is good Download PDFInfo
- Publication number
- CN110307177A CN110307177A CN201910570990.5A CN201910570990A CN110307177A CN 110307177 A CN110307177 A CN 110307177A CN 201910570990 A CN201910570990 A CN 201910570990A CN 110307177 A CN110307177 A CN 110307177A
- Authority
- CN
- China
- Prior art keywords
- pump shaft
- axle sleeve
- impeller
- hole
- conduction hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000694 effects Effects 0.000 title claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims description 2
- 239000008187 granular material Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 210000001124 body fluid Anatomy 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2294—Rotors specially for centrifugal pumps with special measures for protection, e.g. against abrasion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of impeller assembly structures that scattered temp effect is good, including pump shaft, axle sleeve and impeller, it is axial inside the pump shaft to offer a perforative fluid through-hole, symmetrical surface flow guide recesses there are two being opened up on pump shaft surface, two and half perforative circular holes are additionally provided on pump shaft, respectively lateral conduction hole and vertical conduction hole；A perforative pump shaft through-hole is equipped with inside the axle sleeve, the inner wall of the pump shaft through-hole is equipped with a continuous spiral shape drainage trough and two symmetrical straight trough type drainage troughs, facing groove is also provided on the bottom face of the lug shape axle sleeve tail portion, the impeller card is placed on the outer surface of cylindricality sleeve end, and the lug shape axle sleeve tail portion of axle sleeve, which is supported to be placed on impeller, plays position-limiting action；Impeller rotating ring is additionally provided on the impeller.Impeller assembly structure stability in use of the present invention is high, long service life, great application value.
Description
Technical field
The invention belongs to magnetic force pump technical fields, and in particular to a kind of impeller assembly structure that scattered temp effect is good.
Background technique
Magnetic drive pump is the new product that a kind of working principle by permanent magnetism shaft coupling is applied to centrifugal pump, it is passed by the pump housing, magnetic force
Dynamic device, motor three parts composition.The magnetic driver of magnetic drive pump is by outer magnet rotor, interior magnet rotor and non-magnetic separation sleeve group
At when motor drives the rotation of outer magnet rotor, magnetic field energy penetrates air-gap and namagnetic substance, and drive is connected interior with impeller
Magnet rotor synchronous rotary realizes the contactless synchronous transmitting of power, converts zero leakage for the movable sealing structure of easy leakage
Static seal structure.Usually the pump shaft in magnetic drive pump, axle sleeve and impeller constitute the impeller assembly structure of magnetic drive pump, are to promote
Medium extract outflow dynamic structure, most impeller assembly structures of the prior art as shown in Figure of description 1, pump shaft a and
Axle sleeve b mating surface is smooth surface, and impeller c is mounted on axle sleeve b, and impeller rotating ring d is set to the end of impeller c, this structure
When drawback is long-term quick relative movement between pump shaft a and axle sleeve b, pump shaft a can cross thermal deformation, or even the phenomenon that be broken, whole
The thermal diffusivity of body is bad, reduces the service life used, and have friction particles impurity after phase mutual friction between pump shaft a and axle sleeve b,
And transported medium may generate crystalline particle impurity, be full of the mill that can aggravate between pump shaft a and axle sleeve b between the two
Damage, further affects whole operation stability and service life.This problem needs to improve.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of impeller assembly structure that scattered temp effect is good is provided.
The present invention is achieved by the following technical solutions:
A kind of impeller assembly structure that scattered temp effect is good, including pump shaft, axle sleeve and impeller, the pump shaft are inserted in axle sleeve,
Axle sleeve is inserted in impeller, and the pump shaft includes pump shaft head, cone connection, pump shaft intermediate and pump shaft tail portion, described
Pump shaft inside it is axial offer a perforative fluid through-hole, opened up on pump shaft surface there are two symmetrical surface flow guide recesses,
Two and half perforative circular holes are additionally provided on pump shaft, respectively lateral conduction hole and vertical conduction hole；The lateral conduction hole and
Vertical conduction hole is set on pump shaft intermediate；The axle sleeve shape is T-type, by cylindricality sleeve end and lug shape axle sleeve tail
Portion's composition, the axle sleeve inside are equipped with a perforative pump shaft through-hole, and the inner wall of the pump shaft through-hole is equipped with one continuously
Spiral shape drainage trough and two symmetrical straight trough type drainage troughs are also provided with end on the bottom face of the lug shape axle sleeve tail portion
Face groove, the spiral shape drainage trough, straight trough type drainage trough and one end of facing groove three are in lug shape axle sleeve tail portion
It mutually crosses on bottom face, intersects between the spiral shape drainage trough and straight trough type drainage trough；The impeller card is placed on
On the outer surface of cylindricality sleeve end, the lug shape axle sleeve tail portion of axle sleeve, which is supported to be placed on impeller, plays position-limiting action；The leaf
Impeller rotating ring is additionally provided on wheel.
Further, the center of the fluid through-hole is the axle center of pump shaft.
Further, the pump shaft head, cone connection, pump shaft intermediate and pump shaft tail portion are integrated and sinter into
Type.
Further, the surface flow guide recesses are parallel to the axis of pump shaft, among cone connection, pump shaft
On the surface of body and pump shaft tail portion.
Further, the axis of the lateral conduction hole and vertical conduction hole is mutually perpendicular to, it is described transverse direction conduction hole and
Vertical conduction hole is connected with fluid through-hole, and the vertical conduction hole is also connected with the surface flow guide recesses on pump shaft.
Further, the straight trough type drainage trough is parallel to the axle center of axle sleeve.
Further, the pump shaft and shaft room are clearance fit；It is interference fit between the axle sleeve and impeller.
Further, the axle sleeve is mounted on the outer surface of pump shaft intermediate, the lateral conduction hole and vertical
Conduction hole is respectively positioned on the inside of axle sleeve.
The present invention has the advantage that compared with prior art
Impeller assembly structure of the present invention can effectively ensure that the cooling and lubrication between entirety, efficiently realize the heat dissipation of friction
Problem, while the impurity particle ingredient of pump shaft and shaft room can also be greatly reduced, reduce abrasive damage, it is final to be promoted well
The stability in use of the parts such as pump shaft, axle sleeve and service life, great application value.
Detailed description of the invention
Fig. 1 is the schematic diagram of impeller assembly structure in the prior art.
Fig. 2 is the schematic diagram of impeller assembly structure of the present invention.
Fig. 3 is the main view of pump shaft in impeller assembly structure of the present invention.
Fig. 4 is the top view of pump shaft in impeller assembly structure of the present invention.
Fig. 5 is the main view of impeller assembly structure bottom bracket axle of the present invention.
Fig. 6 is the right view of impeller assembly structure bottom bracket axle of the present invention.
Specific embodiment
In order to which the present invention will be further explained, attached drawing is please referred to.
A kind of impeller assembly structure that scattered temp effect is good, including pump shaft 1, axle sleeve 2 and impeller 3, the pump shaft 1 insert in
In axle sleeve 2, axle sleeve 2 is inserted in impeller 3, and the pump shaft 1 includes pump shaft head 101, cone connection 102, among pump shaft
Body 103 and pump shaft tail portion 104,1 inside of pump shaft is axial to offer a perforative fluid through-hole 105, and pump shaft is opened on 1 surface
If being additionally provided with two and half perforative circular holes on pump shaft 1 there are two symmetrical surface flow guide recesses 106, respectively lateral conduction hole
107 and vertical conduction hole 108；The lateral conduction hole 107 and vertical conduction hole 108 is set on pump shaft intermediate 103；Institute
2 shape of axle sleeve stated is T-type, is made of cylindricality sleeve end 201 and lug shape axle sleeve tail portion 202, sets inside the axle sleeve 2
There is a perforative pump shaft through-hole 203, the inner wall of the pump shaft through-hole 203 is equipped with continuous 204 He of spiral shape drainage trough
Two symmetrical straight trough type drainage troughs 205 are also provided with facing groove on the bottom face of the lug shape axle sleeve tail portion 202
206, one end of 206 three of the spiral shape drainage trough 204, straight trough type drainage trough 205 and facing groove is in lug shape axle sleeve
It mutually crosses on the bottom face of tail portion, intersects between the spiral shape drainage trough 204 and straight trough type drainage trough 205；It is described
The card of impeller 3 be placed on the outer surface of cylindricality sleeve end 201, the lug shape axle sleeve tail portion 202 of axle sleeve 2 is supported and is placed on impeller 3
Play position-limiting action；Impeller rotating ring 4 is additionally provided on the impeller 3.
Further, the center of the fluid through-hole 105 is the axle center of pump shaft 1.
Further, the pump shaft head 101, cone connection 102, pump shaft intermediate 103 and pump shaft tail portion 104 are
The material of integrated sinter molding, the pump shaft is SiC, the coefficient of thermal expansion of pump shaft can be effectively reduced using this material, simultaneously
Smoothness of the surface can also be improved.
Further, the surface flow guide recesses 106 are parallel to the axis of pump shaft 1, be located at cone connection 102,
On the surface of pump shaft intermediate 103 and pump shaft tail portion 104.
Further, the axis of the lateral conduction hole 107 and vertical conduction hole 108 is mutually perpendicular to, and the transverse direction is drawn
Discharge orifice 107 and vertical conduction hole 108 are connected with fluid through-hole 105, and the vertical conduction hole 108 is also and on pump shaft 1
Surface flow guide recesses 106 are connected.
Further, the straight trough type drainage trough 205 is parallel to the axle center of axle sleeve 2.
It further, is clearance fit between the pump shaft 1 and axle sleeve 2；Match between the axle sleeve 2 and impeller 3 for interference
It closes.
Further, the axle sleeve 2 is mounted on the outer surface of pump shaft intermediate 103, the lateral conduction hole 107
The inside of axle sleeve 2 is respectively positioned on vertical conduction hole 108.
The operation principle of the present invention is that: it is interference fit between axle sleeve 2 and impeller 3, axle sleeve 2 is closely embedded in impeller 3
Inside, impeller 3 is interior to be equipped with interior magnetic, and when pump housing work, under the action of outer magnetomotive, interior magnetic impeller 3 is rotated, at this time axis
Opposite 1 rotary motion of pump shaft of set 2, under the limit and supporting role of impeller rotating ring 4, impeller 3 carries out the fluid that left end enters
Continuous suction pressure is pumped into, then is thrown away by the outlet right above impeller 3, and the pump-out operation of fluid media (medium) is completed, and during this period,
Fluid media (medium) can be flowed by fluid through-hole 105, then be flowed out by lateral conduction hole 107 and vertical conduction hole 108, at this time pump shaft
1 is opposing stationary, and the fluid media (medium) that lateral conduction hole 107 and vertical conduction hole 108 flow out is flowed into the inside of axle sleeve 2, and horizontal
The fluid media (medium) flowed out to conduction hole 107 has flowed directly into spiral shape drainage trough 204 and straight trough type drainage trough 205 in axle sleeve 2
On, under the action of the rotation of impeller 3 and spirally-guided, the liquid of this outflow is mainly via the spiral between axle sleeve 2 and pump shaft 1
Shape drainage trough 204 and straight trough type drainage trough 205 flow back to be imported into body fluid medium to the left and be thrown away by conveying, and complete pair
The cooling of pump shaft 1 and axle sleeve 2 operates, and the characteristic issues of pump shaft 1 and the long-term high-speed friction of axle sleeve 2 and fluid media (medium), and meeting exists
A large amount of granule foreign is generated between the two, and the corner angle of 106 both ends of the surface of surface flow guide recesses opened up on pump shaft 1 at this time can play
The effect of similar scraper, the granule foreign for being scraped, being separated to the granule foreign between pump shaft 1 and axle sleeve 2, and be scraped can be temporary
When retain in the groove of surface flow guide recesses 106, the fluid media (medium) flowed out at this time by vertical conduction hole 108 can be mainly via table
Face flow guide recesses 106 are discharged, so as to be rinsed to the granule foreign retained in 106 groove of surface flow guide recesses, to the left
Be imported into body fluid medium and thrown away by conveying via the reflux of surface flow guide recesses 106, to the right can via facing groove 206 and
Interstitial site discharge, finally still flowing back to be imported into body fluid medium is thrown away by conveying, on the one hand completes to pump shaft 1 and axis
The cooling operation of set 2, on the other hand mainly realizes the clear operation to impurity particle, improves the stabilization of structure overall operation
Property and service life.
Claims (8)
1. a kind of impeller assembly structure that scattered temp effect is good, including pump shaft, axle sleeve and impeller, which is characterized in that the pump shaft
Insert in axle sleeve, axle sleeve is inserted in impeller, the pump shaft include pump shaft head, cone connection, pump shaft intermediate and
Pump shaft tail portion, it is axial inside the pump shaft to offer a perforative fluid through-hole, open up that there are two symmetrical on pump shaft surface
Surface flow guide recesses are additionally provided with two and half perforative circular holes on pump shaft, respectively lateral conduction hole and vertical conduction hole；Described
Lateral conduction hole and vertical conduction hole are set on pump shaft intermediate；The axle sleeve shape is T-type, by cylindricality sleeve end and
Lug shape axle sleeve tail portion composition, the axle sleeve inside are equipped with a perforative pump shaft through-hole, set on the inner wall of the pump shaft through-hole
There are a continuous spiral shape drainage trough and two symmetrical straight trough type drainage troughs, the bottom face of the lug shape axle sleeve tail portion
On be also provided with facing groove, the spiral shape drainage trough, straight trough type drainage trough and one end of facing groove three are in lug
It mutually crosses on the bottom face of shape axle sleeve tail portion, intersects between the spiral shape drainage trough and straight trough type drainage trough；It is described
Impeller card be placed on the outer surface of cylindricality sleeve end, the lug shape axle sleeve tail portion of axle sleeve is supported to be placed on impeller and plays limit and make
With；Impeller rotating ring is additionally provided on the impeller.
2. a kind of good impeller assembly structure of scattered temp effect according to claim 1, which is characterized in that the fluid is logical
The center in hole is the axle center of pump shaft.
3. a kind of good impeller assembly structure of scattered temp effect according to claim 2, which is characterized in that the pump shaft head
Portion, cone connection, pump shaft intermediate and pump shaft tail portion are integrated sinter molding.
4. a kind of good impeller assembly structure of scattered temp effect according to claim 3, which is characterized in that draw on the surface
Stream groove is parallel to the axis of pump shaft, is located on the surface of cone connection, pump shaft intermediate and pump shaft tail portion.
5. a kind of good impeller assembly structure of scattered temp effect according to claim 4, which is characterized in that the transverse direction is drawn
The axis of discharge orifice and vertical conduction hole is mutually perpendicular to, and the transverse direction conduction hole and vertical conduction hole are connected with fluid through-hole,
The vertical conduction hole is also connected with the surface flow guide recesses on pump shaft.
6. a kind of good impeller assembly structure of scattered temp effect according to claim 5, which is characterized in that the straight trough type
Drainage trough is parallel to the axle center of axle sleeve.
7. a kind of good impeller assembly structure of scattered temp effect according to claim 6, which is characterized in that the pump shaft and
Shaft room is clearance fit；It is interference fit between the axle sleeve and impeller.
8. a kind of good impeller assembly structure of scattered temp effect according to claim 7, which is characterized in that the axle sleeve set
It is placed on the outer surface of pump shaft intermediate, the lateral conduction hole and vertical conduction hole are respectively positioned on the inside of axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570990.5A CN110307177B (en) | 2019-06-28 | Impeller assembly structure with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570990.5A CN110307177B (en) | 2019-06-28 | Impeller assembly structure with good heat dissipation effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110307177A true CN110307177A (en) | 2019-10-08 |
| CN110307177B CN110307177B (en) | 2024-05-17 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160341218A1 (en) * | 2015-05-20 | 2016-11-24 | Hangzhou Sanhua Research Institute Co., Ltd. | Centrifugal pump |
| CN205876732U (en) * | 2016-07-07 | 2017-01-11 | 江苏武新泵业有限公司 | Firm durable magnetic drive pump |
| CN206830503U (en) * | 2017-06-15 | 2018-01-02 | 南京林业大学 | From pumping fluid dynamic and static pressure guide bearing |
| CN207513853U (en) * | 2017-10-16 | 2018-06-19 | 深圳市益日新环保设备有限公司 | A kind of magnetic force driving pump |
| CN210738909U (en) * | 2019-06-28 | 2020-06-12 | 安徽泾县天和泵阀有限公司 | Impeller assembly structure with good heat dissipation effect |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160341218A1 (en) * | 2015-05-20 | 2016-11-24 | Hangzhou Sanhua Research Institute Co., Ltd. | Centrifugal pump |
| CN205876732U (en) * | 2016-07-07 | 2017-01-11 | 江苏武新泵业有限公司 | Firm durable magnetic drive pump |
| CN206830503U (en) * | 2017-06-15 | 2018-01-02 | 南京林业大学 | From pumping fluid dynamic and static pressure guide bearing |
| CN207513853U (en) * | 2017-10-16 | 2018-06-19 | 深圳市益日新环保设备有限公司 | A kind of magnetic force driving pump |
| CN210738909U (en) * | 2019-06-28 | 2020-06-12 | 安徽泾县天和泵阀有限公司 | Impeller assembly structure with good heat dissipation effect |
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