CN204458473U - Pump shaft and compact submersible pump - Google Patents
Pump shaft and compact submersible pump Download PDFInfo
- Publication number
- CN204458473U CN204458473U CN201420759410.XU CN201420759410U CN204458473U CN 204458473 U CN204458473 U CN 204458473U CN 201420759410 U CN201420759410 U CN 201420759410U CN 204458473 U CN204458473 U CN 204458473U
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- Prior art keywords
- shaft
- coupling
- pump
- motor
- impeller
- 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
Links
- 230000008878 coupling Effects 0.000 claims abstract description 64
- 238000010168 coupling process Methods 0.000 claims abstract description 64
- 238000005859 coupling reaction Methods 0.000 claims abstract description 64
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000008439 repair process Effects 0.000 description 7
- 230000004323 axial length Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009189 diving Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of pump shaft, comprising: motor shaft, and the axle head of motor shaft has armature keyway; Impeller shaft, the axle head of impeller shaft has impeller shaft keyway; Coupling, coupling has coupling keyway, and coupling also offers the hole that to be relatively fixed with coupling keyway, motor shaft and coupling grafting, impeller shaft and coupling grafting, motor shaft is connected with impeller shaft power by coupling.Designed by said structure, motor shaft shortens, and the concentricity of pump shaft is improved; Maintenance, easy for installation.Two sections of axles after improvement, directly can install just by first impeller channel floor, can make greatly reduce engineering time, save the man-hour of half.The utility model additionally provides a kind of compact submersible pump, comprises motor, and also include pump shaft described above, pump shaft includes motor shaft, and motor shaft is connected with motor power.Compact submersible pump is provided with the concentricity that this pump shaft then can improve axle, and, be also convenient to maintenance, install.
Description
Technical field
The utility model belongs to compact submersible pump technical field, more particularly, and particularly a kind of pump shaft and a kind of compact submersible pump.
Background technique
The small-sized diving electric pump series product sold in the market are all axises, and lower half portion is rotor portion, and upper half part of axle installs impeller.By the rotation of rotor, drive the impeller of upper half part, thus reach the effect of upwards turning over water.This axle manufactures simple and convenient in process of manufacture, machined into is rough turn, finish turning just (see accompanying drawing 1).
According to production for many years, the problem found in maintenance process, there is a lot of shortcoming 1 in this water pump spindle, the concentricity of axle reduces by 2 because of the lengthening of axle, concentricity reduces and causes mechanical loss increase 3, mechanical loss increases and causes electric current to increase, power consumption increases burden 4 to user greatly, axial length concentricity is low, upper half part impeller is at the high speed rotating lower swing of 2850 turns per minute of rated speed, vibration is large, time one length causes serious harm to the ball bearing on motor, the working life of bearing is reduced greatly, very easily electric machine chamber-sweeping is caused after bearing damage, have a swollen head.5. maintenance is inconvenient, after bearing damage or motor are had a swollen head, need during maintenance first to unload from the top impeller wheel portion of compact submersible pump, the two-stage that compact submersible pump has, three grades of impellers or multi-stage impeller also need each part to unload, could keep in repair motor, such maintenance is wasted time and energy, and keeps in repair a water pump and wants skilled labour's four, five hours ability to keep in repair.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of pump shaft and a kind of compact submersible pump being provided with this pump shaft, in order to solve the problems of the technologies described above.
For this reason, the utility model provides following technological scheme.
A kind of pump shaft, comprising: motor shaft, the axle head of described motor shaft has armature keyway, impeller shaft, the axle head of described impeller shaft has impeller shaft keyway, coupling, described coupling has coupling keyway, described coupling also offers the hole that to be relatively fixed with described coupling keyway, described coupling has installation through hole, the inwall at the two ends of described installation through hole has the chute of arc, the outer wall of described motor shaft has the slide rail with described chute adaptation, described motor shaft and described coupling grafting, the outer wall of described impeller shaft has the slide rail with described chute adaptation, described impeller shaft and described coupling grafting, described motor shaft is connected with described impeller shaft power by coupling, described motor shaft is connected with described Coupling Clearance, described impeller shaft is connected with described Coupling Clearance, described fixed hole has internal thread.
The utility model additionally provides a kind of compact submersible pump, comprises motor, also includes pump shaft described above, and described pump shaft includes motor shaft, and described motor shaft is connected with described motor power.
The utility model provides a kind of pump shaft, can be installed on compact submersible pump.In the utility model, pump shaft comprises: motor shaft, and the axle head of motor shaft has armature keyway; Impeller shaft, the axle head of impeller shaft has impeller shaft keyway; Coupling, coupling has coupling keyway, and coupling also offers the hole that to be relatively fixed with coupling keyway, motor shaft and coupling grafting, impeller shaft and coupling grafting, motor shaft is connected with impeller shaft power by coupling.
Designed by said structure, the utility model has the following advantages:
1, motor shaft shortens, and the concentricity of pump shaft is improved, and after being flexible coupling of coupling, what axial length produced suppress strength (decentraction) disappears.
2, because concentricity improves, mechanical loss is corresponding reduction by 10% also.
3, mechanical loss reduces, and electric current reduces, and saves the energy.
4, make the bearing at motor two ends not fragile after improving, increase the working life of bearing, thus reach the working life increasing complete machine.
5, keep in repair, easy for installation.Two sections of axles after improvement, need not having unloaded a group by a group above water pump as before again, as long as and coupling in the middle of water pump is dismantled, impeller wheel portion and the motor part of water pump have just been separated.After having keeped in repair motor, directly can first impeller channel floor be installed just, can make greatly reduce engineering time, save the man-hour of half.
The utility model additionally provides a kind of compact submersible pump, comprises motor, and particularly, compact submersible pump also includes pump shaft described above, and pump shaft includes motor shaft, and motor shaft is connected with motor power.
Because pump shaft adopts two-section separated structural design, therefore, at the middle-size and small-size submersible pump of the utility model, the concentricity that this pump shaft then can improve axle is installed, and, be also convenient to maintenance, install.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the partial structurtes schematic diagram of motor shaft in a kind of embodiment of the utility model;
Fig. 2 is the structural representation of impeller shaft in a kind of embodiment of the utility model;
Fig. 3 is the structural representation of coupling in a kind of embodiment of the utility model;
Fig. 4 be in Fig. 3 along A to structural representation.
Embodiment
In order to make those skilled in the art person understand the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1 to Fig. 4, wherein, Fig. 1 is the partial structurtes schematic diagram of motor shaft in a kind of embodiment of the utility model; Fig. 2 is the structural representation of impeller shaft in a kind of embodiment of the utility model; Fig. 3 is the structural representation of coupling in a kind of embodiment of the utility model; Fig. 4 be in Fig. 3 along A to structural representation.
The utility model provides a kind of pump shaft, can be installed on compact submersible pump.In the utility model, pump shaft comprises: motor shaft 1, and the axle head of motor shaft 1 has motor shaft 1 keyway; Impeller shaft 2, the axle head of impeller shaft 2 has impeller shaft 2 keyway; Coupling 3, coupling 3 has coupling 3 keyway, coupling 3 also offers the hole 4 that to be relatively fixed with coupling 3 keyway, motor shaft 1 and coupling 3 grafting, and impeller shaft 2 and coupling 3 grafting, motor shaft 1 is connected with impeller shaft 2 power by coupling 3.
Designed by said structure, the pump shaft that the utility model provides adopts two-part structural design, specifically comprises motor shaft 1 and water pump impeller shaft 2, and the middle coupling 3 that uses connects.Motor shaft 1 upper end keyseat, one end also keyseat of impeller shaft 2, the fixed hole 4 of M10 is bored at the back side of coupling 3 keyway, on on fixed hole 4, silk makes it have internal thread, and can in fixed hole 4 on fixing bolt, fixing bolt can abut with motor shaft 1 and impeller shaft 2, thus plays the effect of closed coupling 3, prevents moving up and down of coupling 3.
Motor shaft 1 and impeller shaft 2 excircle dimension and coupling 3 internal diameter Spielpassung, thus play the effect of concentricity adjusting, the concentricity at two ends can be increased greatly.
The utility model designs based on said structure, compared to prior art, that is: the small-sized diving electric pump sold in the market has the series product of single-stage impeller, both stage impellers, three grades of impellers, but the compact submersible pump axle used is all lengthened by motor shaft 1, then on the axle lengthened, install impeller, the length of the more motor shafts of impeller progression 1 is longer, thus causes concentricity to reduce, the situation that frequent generation bad bearing is swept thorax, had a swollen head, the utility model has the following advantages:
1, motor shaft 1 shortens, and the concentricity of axle is improved, and after being flexible coupling of coupling 3, the strength (decentraction) of suppressing that axial length produces disappears.
2, because concentricity improves, mechanical loss is corresponding reduction by 10% also.
3, mechanical loss reduces, and electric current reduces, and saves the energy.
4, make the bearing at motor two ends not fragile after improving, increase the working life of bearing, thus reach the working life increasing complete machine.
5, keep in repair, easy for installation.Two sections of axles after improvement, need not having unloaded a group by a group above water pump as before again, as long as and coupling 3 in the middle of water pump is dismantled, impeller wheel portion and the motor part of water pump have just been separated.After having keeped in repair motor, directly can first impeller channel floor be installed just, can make greatly reduce engineering time, save the man-hour of half.
The utility model also improves the Placement between motor shaft 1, impeller shaft 2 and coupling 3, and coupling 3 is offered installation through hole, and the two ends of installing through hole are respectively used to the grafting of motor shaft 1 and impeller shaft 2.The inwall at the two ends of installation through hole arranges chute, the outer wall of motor shaft 1 and impeller shaft 2 is all provided with slide rail, slide rail and chute shape adaptation, the mode that motor shaft 1 and impeller shaft 2 so can be made to adopt spiral to insert is connected with coupling 3, so improves the intensity connected between motor shaft 1, impeller shaft 2 and coupling 3.
The utility model additionally provides a kind of compact submersible pump, comprises motor, and particularly, compact submersible pump also includes pump shaft described above, and pump shaft includes motor shaft, and motor shaft is connected with motor power.
Because pump shaft adopts two-section separated structural design, therefore, at the middle-size and small-size submersible pump of the utility model, the concentricity that this pump shaft then can improve axle is installed, and, be also convenient to maintenance, install.
It should be noted that: in a specific embodiment of the present utility model, the motor shaft in pump shaft can be connected by external device power with the motor of compact submersible pump, such as coupling or flange.
In another specific embodiment of the present utility model, compact submersible pump comprises motor, and motor includes rotating shaft, and the motor shaft in pump shaft is directly replaced in this rotating shaft, thus reaches the object of simplifying structure.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses model utility.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. a pump shaft, is characterized in that, comprising:
Motor shaft (1), the axle head of described motor shaft has armature keyway;
Impeller shaft (2), the axle head of described impeller shaft has impeller shaft keyway;
Coupling (3), described coupling has coupling keyway, described coupling also offers the hole (4) that to be relatively fixed with described coupling keyway, described coupling has installation through hole, the inwall at the two ends of described installation through hole has the chute of arc, the outer wall of described motor shaft has the slide rail with described chute adaptation, described motor shaft and described coupling grafting, the outer wall of described impeller shaft has the slide rail with described chute adaptation, described impeller shaft and described coupling grafting, described motor shaft is connected with described impeller shaft power by coupling, described motor shaft is connected with described Coupling Clearance, described impeller shaft is connected with described Coupling Clearance, described fixed hole has internal thread.
2. a compact submersible pump, comprises motor, it is characterized in that,
Also include pump shaft as claimed in claim 1, described pump shaft includes motor shaft, and described motor shaft is connected with described motor power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759410.XU CN204458473U (en) | 2014-12-04 | 2014-12-04 | Pump shaft and compact submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759410.XU CN204458473U (en) | 2014-12-04 | 2014-12-04 | Pump shaft and compact submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458473U true CN204458473U (en) | 2015-07-08 |
Family
ID=53665368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420759410.XU Expired - Fee Related CN204458473U (en) | 2014-12-04 | 2014-12-04 | Pump shaft and compact submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704248A (en) * | 2016-12-14 | 2017-05-24 | 广东瑞荣泵业有限公司 | Submersible electric pump coupling for well |
-
2014
- 2014-12-04 CN CN201420759410.XU patent/CN204458473U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704248A (en) * | 2016-12-14 | 2017-05-24 | 广东瑞荣泵业有限公司 | Submersible electric pump coupling for well |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |