CN207583639U - A kind of high-efficiency submersible pump - Google Patents
A kind of high-efficiency submersible pump Download PDFInfo
- Publication number
- CN207583639U CN207583639U CN201721688670.2U CN201721688670U CN207583639U CN 207583639 U CN207583639 U CN 207583639U CN 201721688670 U CN201721688670 U CN 201721688670U CN 207583639 U CN207583639 U CN 207583639U
- Authority
- CN
- China
- Prior art keywords
- impeller
- submersible pump
- drive sleeve
- casing
- motor
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of high-efficiency submersible pump, belongs to machinery manufacturing technology field.It solves the problems, such as to connect that unstable, transmission efficiency is low between existing motor for submerged pump axis and impeller axle.This high-efficiency submersible pump, including impeller housing, electric machine casing and the middle casing of connection electric machine casing and impeller housing, motor is provided in electric machine casing, motor has motor shaft, multistage centrifugal impeller is provided in impeller housing, impeller axle is connected on multistage centrifugal impeller, inlet is provided on middle casing, the top of impeller housing is provided with liquid outlet, it is connected between impeller axle and motor shaft and carries drive sleeve, it carries in drive sleeve and offers intercommunicating pore, the flexible insertion piece of setting in intercommunicating pore, elastic insertion piece is provided at both ends with internal spline, elastic insertion piece includes pedestal and the substrate being set on elastic base, pressure balance spring is provided between substrate and pedestal.The utility model has the advantages that transmission efficiency, performance are stablized.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, is related to a kind of immersible pump, more particularly to a kind of high-efficiency submersible pump.
Background technology
Immersible pump is that the pump housing and motor all pull the plug a kind of water pump of work, is the important equipment of deep-well water lift, leads to
Cross and stretch into cable in well and power to motor, eliminate transmission long axis, have it is compact-sized, it is light-weight, install, use and shift
The advantages of facilitating, be mainly used in mine speedily carry out rescue work, industry cooling, field irrigation, seawater lift, steamer tune load, fountain landscape etc.
Aspect, must be hydraulically full in suction line and pump before immersible pump turn on pump.After turn on pump, impeller high speed rotation, liquid therein with
Blade rotates together, under the influence of centrifugal force, flies away from impeller and projects outward, the liquid of injection in pump case diffuser casing speed by
Gradual change is slow, and pressure gradually increases, then from pump discharge, discharge pipe outflow.
With the rapid development of pump industry, the structure of immersible pump is constantly improved in production is practical so that diving
The performance of pump is greatly improved, and existing immersible pump all improves the acceleration of fluid using multistage diffuser mostly, by
Too many in diffuser series, pump all drives operating using independent impeller axle mostly, impeller axle by common shaft coupling and
Motor shaft is connected, and since motor shaft and impeller axle powder are set up, can there is bounce axially and radially, lead to the biography of shaft coupling
Turn is changed less efficient, while can also generate larger noise.
Invention content
The purpose of this utility model be for the above-mentioned problems in the prior art, provide a kind of transmission efficiency,
The high-efficiency submersible pump that performance is stablized.
The purpose of this utility model can be realized by following technical proposal：A kind of high-efficiency submersible pump, including impeller housing,
Electric machine casing and the middle casing of connection electric machine casing and impeller housing, are provided with motor in the electric machine casing, described
Motor have the motor shaft of middle casing extended to axially across electric machine casing, be provided in the impeller housing it is multistage from
Lobus cardiacus wheel is connected with the impeller axle extended in middle casing on the multistage centrifugal impeller, is set on the middle casing
Inlet is equipped with, the top of the impeller housing is provided with the liquid outlet being connected with inside impeller housing, which is characterized in that
It is connected between the impeller axle and motor shaft and carries drive sleeve, described carrying is offered in drive sleeve through whole company
Through-hole, sets flexible insertion piece in the middle part of the intercommunicating pore, and being provided at both ends with of the elasticity insertion piece is used for and motor shaft
With the matched internal spline of impeller axle, the elastic insertion piece includes pedestal and the substrate being set on elastic base, institute
Pressure balance spring is provided between the substrate and pedestal stated.
The technique effect of this high-efficiency submersible pump is：It dives under water after pump startup, is set to the impeller units in impeller axle in electricity
Start to rotate under the drive of machine, liquid is sucked from inlet, liquid enters the inside in impeller units, in the high speed of impeller
Liquid from circular passage is thrown away under operating, is recycled into next impeller units, until being discharged from liquid outlet, in liquid in rotation
In accelerator, due to generating larger pressure, impeller axle can be caused to generate the bounce of radial direction and axial play, carry transmission
External member receives the change of power, is adjusted by being set to internal elastic insertion piece, so that achieve the purpose that balance,
Improve the transmission efficiency of immersible pump entirety.
In a kind of above-mentioned high-efficiency submersible pump, the card for having radial protrusion in the inner end wall for carrying drive sleeve is set
Step, the pedestal front end are resisted against card and set on step, and its rear end matches with impeller axle and contacts.
In a kind of above-mentioned high-efficiency submersible pump, the middle part of the pedestal has axially downwardly raised positioning cylinder,
The pressure balance spring is wound along positioning cylinder outer circumference surface Rotating with Uniform.Elastic insertion piece is prevented when balancing external force,
Pressure balance spring stress is excessive to generate significantly displacement and deformation, influences performance.
In a kind of above-mentioned high-efficiency submersible pump axis, described carries the caulking groove for having on drive sleeve outer end face and being recessed inwardly,
Sealing ring is provided in the caulking groove, the sealing ring outer end is matched with carrying the inner end wall of drive sleeve.It plays close
Fixed effect is sealed, when preventing fluid by carrying drive sleeve, compression shock elasticity insertion piece causes elastic insertion piece to generate shifting
The phenomenon that position, influence whole balance quality.
In a kind of above-mentioned high-efficiency submersible pump, the periphery of the inlet is provided with filter protection cover.Prevent liquid flow
Fashionable, the impurity for carrying bulky grain secretly enters in impeller housing impeller is caused to damage, and improves the stability of the pump housing and making for entirety
Use the service life.
Compared with prior art, this high-efficiency submersible pump, which carries out finishing structure in the drive connection of motor shaft and impeller axle, changes
Into relative to traditional shaft coupling, this immersible pump is replaced using drive sleeve is carried, and carries the flexible insertion of setting in drive sleeve
Part balances the circular runout of impeller axle generation and axial play, and reduce Fluid pressure influences caused by transmission, has biography
Efficiency of movement is high.The advantages of performance is stablized.
Description of the drawings
Fig. 1 is the overall structure sectional view of high-efficiency submersible pump.
Fig. 2 is the structure diagram that drive sleeve is carried in high-efficiency submersible pump.
In figure, 1, impeller housing；2nd, electric machine casing；3rd, middle casing；4th, motor；5th, motor shaft；6th, multistage centrifugal impeller；
7th, inlet；8th, liquid outlet；9th, drive sleeve is carried；10th, intercommunicating pore；11st, elastic insertion piece；12nd, internal spline；13rd, pedestal；14、
Substrate；15th, pressure balance spring；16th, card sets step；17th, positioning cylinder；18th, caulking groove；19th, sealing ring；20th, filter protection cover；
21st, impeller axle.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, this high-efficiency submersible pump, including impeller housing 1,4 housing 2 of motor and connection electric machine casing 2 and leaf
The middle casing 3 of housing 1 is taken turns, motor 4 is provided in electric machine casing 2, motor 4 axially across electric machine casing 2 in extending to
Between housing 3 motor shaft 5, be provided with multistage centrifugal impeller 6 in impeller housing 1, be connected on multistage centrifugal impeller 6 in extending to
Between impeller axle 21 in housing 3, be provided with inlet 7 on middle casing 3, the top of impeller housing 1 is provided with and impeller housing 1
The liquid outlet 8 that inside is connected is connected with load drive sleeve 9, carries and opened up in drive sleeve 9 between impeller axle 21 and motor shaft 5
Have through whole intercommunicating pore 10,10 middle part of intercommunicating pore sets flexible insertion piece 11, and elastic insertion piece 11 is provided at both ends with
For with motor shaft 5 and 21 matched internal spline 12 of impeller axle, elastic insertion piece 11 includes pedestal 13 and is set to elasticity
Substrate 14 on pedestal 13, is provided with pressure balance spring 15 between substrate 14 and pedestal 13.
It further describes in detail, the card that carry has radial protrusion in the inner end wall of drive sleeve 9 sets step 16, and 13 front end of pedestal is supported
It is against card to set on step 16, its rear end matches with impeller axle 21 and contacts.
For elastic insertion piece 11 when balancing external force, 15 stress of pressure balance spring is excessive to generate significantly position in order to prevent
Shifting and deformation, influence performance, and the middle part of pedestal 13 has axially downwardly raised positioning cylinder 17, the pressure balance
Spring 15 is wound along 17 outer circumference surface Rotating with Uniform of positioning cylinder.
The phenomenon that elastic insertion piece 11 is caused to generate displacement in order to prevent, influences whole balance quality, carries drive sleeve 9
On outer end face there is the caulking groove 18 being recessed inwardly, sealing ring 19 is provided in caulking groove 18,19 outer end of sealing ring is driven with carrying
The inner end wall of set 9 matches.
In order to improve the stability of the pump housing and whole service life, the periphery of inlet 7 is provided with filter protection cover
20。
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although impeller housing 1, electric machine casing 2, middle casing 3, motor 4, motor shaft 5, multistage is used more herein
Centrifugal impeller 6, inlet 7, liquid outlet 8, carry drive sleeve 9, intercommunicating pore 10, elastic insertion piece 11, internal spline 12, pedestal 13,
Substrate 14, pressure balance spring 15, card set step 16, positioning cylinder 17, caulking groove 18, sealing ring 19, filter protection cover 20, impeller
21 grade terms of axis, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe
With the essence for explaining the utility model；Being construed as any one of the additional limitations is disagreed with the spirit of the present invention
The back of the body.
Claims (5)
1. a kind of high-efficiency submersible pump, including impeller housing（1）, electric machine casing（2）And connection electric machine casing（2）With impeller housing
（1）Middle casing（3）, the electric machine casing（2）Inside it is provided with motor（4）, the motor（4）With axially across electricity
Casing body（2）Extend to middle casing（3）Motor shaft（5）, the impeller housing（1）Inside it is provided with multistage centrifugal impeller
（6）, the multistage centrifugal impeller（6）On be connected with and extend to middle casing（3）Interior impeller axle（21）, the middle case
Body（3）On be provided with inlet（7）, the impeller housing（1）Top be provided with and impeller housing（1）What inside was connected
Liquid outlet（8）, which is characterized in that the impeller axle（21）With motor shaft（5）Between be connected with and carry drive sleeve（9）, it is described
Load drive sleeve（9）On offer through whole intercommunicating pore（10）, the intercommunicating pore（10）Middle part setting is flexible to insert
Enter part（11）, the elasticity insertion piece（11）Be provided at both ends with and be used for and motor shaft（5）With impeller axle（21）In matched
Spline（12）, the elastic insertion piece（11）Including pedestal（13）And it is set to elastic base（13）On substrate（14）,
The substrate（14）With pedestal（13）Between be provided with pressure balance spring（15）.
A kind of 2. high-efficiency submersible pump according to claim 1, which is characterized in that the load drive sleeve（9）Inner end
The card with radial protrusion sets step on wall（16）, the pedestal（13）Front end is resisted against card and sets step（16）On, its rear end
With impeller axle（21）Match contact.
A kind of 3. high-efficiency submersible pump according to claim 1, which is characterized in that the pedestal（13）Middle part have axis
To downwardly convex positioning cylinder（17）, the pressure balance spring（15）Along positioning cylinder（17）Outer circumference surface Rotating with Uniform
Winding.
A kind of 4. high-efficiency submersible pump according to claim 1, which is characterized in that the load drive sleeve（9）Outer end face
It is upper that there is the caulking groove being recessed inwardly（18）, the caulking groove（18）Inside it is provided with sealing ring（19）, the sealing ring（19）Outside
End is with carrying drive sleeve（9）Inner end wall match.
A kind of 5. high-efficiency submersible pump according to claim 1, which is characterized in that the inlet（7）Periphery be provided with
Filter protection cover（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688670.2U CN207583639U (en) | 2017-12-07 | 2017-12-07 | A kind of high-efficiency submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688670.2U CN207583639U (en) | 2017-12-07 | 2017-12-07 | A kind of high-efficiency submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583639U true CN207583639U (en) | 2018-07-06 |
Family
ID=62736274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721688670.2U Expired - Fee Related CN207583639U (en) | 2017-12-07 | 2017-12-07 | A kind of high-efficiency submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374914A (en) * | 2019-07-25 | 2019-10-25 | 江苏大学镇江流体工程装备技术研究院 | A kind of pump shaft connection structure and its design method of centrifugal pump |
-
2017
- 2017-12-07 CN CN201721688670.2U patent/CN207583639U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374914A (en) * | 2019-07-25 | 2019-10-25 | 江苏大学镇江流体工程装备技术研究院 | A kind of pump shaft connection structure and its design method of centrifugal pump |
| CN110374914B (en) * | 2019-07-25 | 2020-11-20 | 江苏大学镇江流体工程装备技术研究院 | Pump shaft connecting structure of centrifugal pump and design method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-efficiency submersible pump Effective date of registration: 20190107 Granted publication date: 20180706 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd Taizhou Wenling branch Pledgor: TAIZHOU QIANTAO PUMPS CO., LTD. Registration number: 2019330000005 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317500 Industrial Zone Patentee after: Zhejiang Qiantao Pump Co., Ltd Address before: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317500 Industrial Zone Patentee before: TAIZHOU QIANTAO PUMPS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |