CN108561326A - Improve the peripheral pump of impeller assembly method - Google Patents
Improve the peripheral pump of impeller assembly method Download PDFInfo
- Publication number
- CN108561326A CN108561326A CN201810385563.5A CN201810385563A CN108561326A CN 108561326 A CN108561326 A CN 108561326A CN 201810385563 A CN201810385563 A CN 201810385563A CN 108561326 A CN108561326 A CN 108561326A
- Authority
- CN
- China
- Prior art keywords
- impeller
- armature spindle
- gap
- connector
- mechanical seal
- 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.)
- Withdrawn
Links
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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of peripheral pump improving impeller assembly method, solves to dismantle hardly possible caused by impeller of the existing technology and armature spindle interference fit, is easily damaged the problems such as component, the technical solution of use：The armature spindle, which is matched, unifies mechanical seal, one end of impeller described in the end face support of the mechanical seal, and the other end of the impeller coordinates positioning piece, the locating piece to be fixedly connected with rotor pumping by connector, the impeller and armature spindle axis loose fit.Its effect：Impeller and armature spindle clearance fit, impeller end face directly form with mechanical seal and contradict cooperation, and locating piece then is arranged in impeller other end, so that impeller is axially positioned on armature spindle feature position, gap a and the size of gap b is made more to be accurately controlled.
Description
Technical field
The present invention relates to a kind of peripheral pump more particularly to a kind of peripheral pumps improving impeller assembly method.
Background technology
The impeller of existing tradition peripheral pump is generally interference fitted with armature spindle, unrelated between impeller and mechanical seal.
And peripheral pump is high to the clearance requirement in wheel nose face and rear end face, the gap of both ends of the surface is 0.15-0.3mm under normal circumstances.
Conventional vortex pump impeller mounting means has following several now：The first, impeller is interference fitted with armature spindle by single flat,
When assembling impeller, impeller need to be beaten to adjust the gap of impeller both ends of the surface；Second, impeller uses keyway with armature spindle
Elastic conjunction is cooperatively formed with key, impeller is attached on armature spindle riveting again and strikes impeller end face, and impeller face deformation is made to hold armature spindle tightly,
The gap of rotor axial adjustment impeller both ends of the surface is beaten again；The third, armature spindle is fixed by bearing, and bearing is consolidated by screw
Fixed, impeller end face is formed a fixed connection with holding screw and armature spindle, and this structure is easy friction impeller when mounted, and adjusts
The fixed position of adjusting screw is needed when the gap of whole impeller both ends of the surface, it is complicated for operation, and be also required to beat armature spindle or impeller
It is adjusted.Common feature existing for the pump of three of the above structure：1, it is required for beaing impeller, be easy to damage when beaing
Impeller, armature spindle or pump；2, all it is interference fit or fastening assembly, difficulty is brought to dismounting；3, the gap of whole impeller both ends of the surface
It is difficult to more accurately control, influences to pump performance and used life.
Invention content
A kind of improvement impeller assembly method is provided it is an object of the invention to solve the above problem of the existing technology
Peripheral pump, impeller and armature spindle clearance fit, impeller end face directly forms with mechanical seal and contradicts cooperation, then in impeller
Other end be arranged locating piece, so that impeller is axially positioned on armature spindle feature position, make the size of gap a and gap b obtain compared with
To accurately control, while being loose fit between impeller and armature spindle, when dismounting, only need to remove locating piece, you can easily take out leaf
Wheel, during assembly or disassembly, will not all damage damaging property of impeller itself, also be not easy to generate abrasion to impeller,
Impeller service life is greatly improved, pump performance is also improved.
What the above-mentioned technical purpose of the present invention mainly solved by the following technical programs：Improve the rotation of impeller assembly method
Whirlpool pumps, including the pump housing, connector and motor, and the armature spindle on the motor is extend into pump chamber, and impeller is arranged in the pump chamber,
The impeller is nested on the armature spindle, and the gap between the impeller end face and the pump housing is gap a, and the impeller is another
Gap between end face and connector is gap b, it is characterised in that the armature spindle is with unification mechanical seal, the mechanical seal
End face support described in impeller one end, the other end of the impeller coordinates positioning piece, the locating piece to pass through connector
It is fixedly connected with rotor pumping, the impeller and armature spindle axis loose fit.Impeller end face is set directly to be formed with mechanical seal
Cooperation is contradicted, locating piece then is set in impeller other end, so that impeller is axially positioned on armature spindle feature position, makes gap a
It is more accurately controlled with the size of gap b, while being loose fit between impeller and armature spindle, when dismounting, it is fixed only to remove
Position part, you can easily take out impeller, during assembly or disassembly, damaging property of impeller itself will not all be damaged, also not
It is easy to generate abrasion to impeller, greatly improves impeller service life, also improve pump performance.
As further improving and supplementing to above-mentioned technical proposal, the present invention uses following technical measures：The positioning
Part is positioning ring set, and the locating ring puts on setting axis hole, and the axis hole runs through the positioning ring set, the diameter of the axis hole with
Armature spindle shaft end outer diameter is adapted.Had when coordinating with impeller using positioning ring set form in order to facilitate assembly locating piece
Larger contact area improves the stability positioned to impeller.Meanwhile there is more axial curved surface on locating piece, facilitate company
Fitting is arranged, and also improves the power that is critical of connector.
Peripheral pump is vertical volute pump, and when water pump is installed, mechanical seal is located at the lower section of the impeller, fix impeller with
After positioning ring set, the pump housing is installed.In use, water pump need to be turned, because impeller is by positioning ring set fixed position, mechanical seal
At this time in the top of impeller, impeller gravity is born on locating ring set, the spring holding impeller position with resilience in mechanical seal
It sets constant.The upper and lower surface of impeller is equilibrant force by the pressure of water when use, then ensures impeller location mainly by the screen resilience of spring
It is fixed.
Transmission cooperation is formed by key between the impeller and armature spindle.Due to impeller and armature spindle loose fit, then need
It is driven by key, impeller is made to be rotated together in company with armature spindle.
In order to make the gap of impeller both ends of the surface meet the requirements, precondition is that mechanical seal setting needs to stablize, the machine
Tool is sealingly disposed in the cavity of the connector.The inner wall of connector generates axially position to mechanical seal.
One bearing is set on the armature spindle, and the bearing limits the connector, and connector is made to be fixed on armature spindle
Specific position.Under the premise of bearing plays support armature spindle, moreover it is possible to further be limited to mechanical seal, indirectly ensure leaf
Take turns the gap of both ends of the surface.
The device have the advantages that：1, impeller and armature spindle clearance fit, impeller end face is directly and mechanical seal
It is formed and contradicts cooperation, locating piece then is set in impeller other end, so that impeller is axially positioned on armature spindle feature position, between making
The size of gap a and gap b are more accurately controlled.2, it is loose fit between impeller and armature spindle, when dismounting, it is fixed only to remove
Position part, you can easily take out impeller, during assembly or disassembly, damaging property of impeller itself will not all be damaged, also not
It is easy to generate abrasion to impeller, greatly improves impeller service life, also improve pump performance；3, easy to operate, installation step is few.4、
In order to facilitate assembly locating piece, using positioning ring set form, with larger contact area when coordinating with impeller, improve to impeller
The stability of positioning.Meanwhile there is more axial curved surface on locating piece, facilitate connector to be arranged, also improves eating for connector
Clamp force.
Description of the drawings
Fig. 1 is a kind of configuration schematic diagram of the present invention.
Fig. 2 is a kind of schematic cross-sectional view of the present invention.
Fig. 3 is the portions A enlarged structure schematic diagram in Fig. 2.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：As shown in Figure 1-Figure 3, the peripheral pump of impeller assembly method, including the pump housing 1, connector 2 and electricity are improved
Machine, the armature spindle 31 on the motor are extend into pump chamber, and impeller 4 is arranged in the pump chamber, and the impeller 4 is nested at described turn
On sub- axis 31, gap between 4 end face of the impeller and the pump housing 1 is gap a, 4 other end of the impeller and connector 2 it
Between gap be gap b.The armature spindle, which is matched, unifies mechanical seal 5, impeller 4 described in the end face support of the mechanical seal 5
One end, the other end of the impeller 4 coordinates positioning piece 6, and it is solid that the locating piece 6 by connector 61 and the rotor takes out 31
Fixed connection, the impeller and armature spindle axis loose fit.
Peripheral pump is vertical volute pump, and when water pump is installed, mechanical seal 5 is located at the lower section of the impeller 4, fixes impeller
After positioning ring set 6, the pump housing is installed.In use, water pump need to be turned, because impeller is by positioning ring set fixed position, machinery
Sealing is at this time in the top of impeller, and impeller gravity is born on locating ring set, the spring holding leaf with resilience in mechanical seal
It is constant to take turns position.The upper and lower surface of impeller is equilibrant force by the pressure of water when use, then ensures impeller mainly by the screen resilience of spring
Position is fixed.
So that impeller end face is directly formed with mechanical seal and contradict cooperation, locating piece then is set in impeller other end,
So that impeller is axially positioned on armature spindle feature position, so that gap a and the size of gap b is more accurately controlled, while impeller
It is loose fit between armature spindle, when dismounting, only need to removes locating piece, you can impeller is easily taken out, in assembly or disassembly process
In, damaging property of impeller itself will not all be damaged, also be not easy to generate abrasion to impeller, greatly improved impeller and use the longevity
Life also improves pump performance.
The locating piece 6 is positioning ring set, and the locating ring puts on setting axis hole 62, and the axis hole runs through the locating ring
Set, the diameter of the axis hole are adapted with 31 shaft end outer diameter of the armature spindle.In order to facilitate assembly locating piece, using positioning ring set
Form improves the stability positioned to impeller with larger contact area when coordinating with impeller.Meanwhile having on locating piece
More axial curved surface, facilitates connector to be arranged, and also improves the power that is critical of connector.
Transmission cooperation is formed by key 7 between the impeller 4 and armature spindle 31, armature spindle is equipped with corresponding keyway 32.
It due to impeller and armature spindle loose fit, then needs to be driven by key, impeller is made to be rotated together in company with armature spindle.
In order to make the gap of impeller both ends of the surface meet the requirements, precondition is that the setting of mechanical seal 5 needs to stablize, the machine
Tool sealing 5 is arranged in the cavity of the connector 2.The inner wall of connector 2 generates axially position to mechanical seal 5.
One bearing 8 is set on the armature spindle 31, and the bearing 8 limits the connector 2, and connector 2 is made to be fixed on
31 specific position of armature spindle.Under the premise of bearing plays support armature spindle, moreover it is possible to further be limited to mechanical seal, indirectly
Guarantee impeller both ends of the surface gap.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention.In the above-described embodiments,
The invention may be variously modified and varied.All within the spirits and principles of the present invention, any modification made by is equally replaced
It changes, improve, should all be included in the protection scope of the present invention.
Claims (5)
1. improving the peripheral pump of impeller assembly method, including the pump housing, connector and motor, the armature spindle on the motor is extend into
In pump chamber, impeller is set in the pump chamber, the impeller is nested on the armature spindle, the impeller other end and the pump housing it
Between gap be gap a, gap between the impeller end face and connector is gap b, it is characterised in that the armature spindle
With unification mechanical seal, one end of impeller described in the end face support of the mechanical seal, the other end of the impeller is with unification
Locating piece, the locating piece are fixedly connected by connector with rotor pumping, the impeller and armature spindle axis loose fit.
2. the peripheral pump according to claim 1 for improving impeller assembly method, it is characterised in that the locating piece is positioning
Ring set, the locating ring put on setting axis hole, and the axis hole runs through the positioning ring set, the diameter of the axis hole and the rotor
Axis shaft end outer diameter is adapted.
3. the peripheral pump according to claim 1 or 2 for improving impeller assembly method, it is characterised in that the impeller and rotor
Transmission cooperation is formed by key between axis.
4. the peripheral pump according to claim 3 for improving impeller assembly method, it is characterised in that the mechanical seal setting
In the cavity of the connector.
5. the peripheral pump according to claim 4 for improving impeller assembly method, it is characterised in that be arranged on the armature spindle
One bearing, the bearing limit the connector, and connector is made to be fixed on armature spindle specific position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385563.5A CN108561326A (en) | 2018-04-26 | 2018-04-26 | Improve the peripheral pump of impeller assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385563.5A CN108561326A (en) | 2018-04-26 | 2018-04-26 | Improve the peripheral pump of impeller assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561326A true CN108561326A (en) | 2018-09-21 |
Family
ID=63536858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810385563.5A Withdrawn CN108561326A (en) | 2018-04-26 | 2018-04-26 | Improve the peripheral pump of impeller assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561326A (en) |
-
2018
- 2018-04-26 CN CN201810385563.5A patent/CN108561326A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180921 |
|
| WW01 | Invention patent application withdrawn after publication |