CN203285713U - Water pump coupler of axial flow pump - Google Patents
Water pump coupler of axial flow pump Download PDFInfo
- Publication number
- CN203285713U CN203285713U CN2013203032645U CN201320303264U CN203285713U CN 203285713 U CN203285713 U CN 203285713U CN 2013203032645 U CN2013203032645 U CN 2013203032645U CN 201320303264 U CN201320303264 U CN 201320303264U CN 203285713 U CN203285713 U CN 203285713U
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- water pump
- coupler
- pump coupler
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- hole
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Abstract
The utility model discloses a water pump coupler of an axial flow pump. The bottom of the water pump coupler extends outwards to form a flange, and a plurality of connection holes are formed in the flange. The outer surface of the water pump coupler is shaped like a cylindrical step, and the diameter of the part, close to the bottom, of the cylindrical step is larger than that of the part, close to the top, of the cylindrical step. A through hole is formed in the inner part of the water pump coupler, is shaped like a step, and comprises a first part close to the bottom, and a second part close to the top, and the diameter of the first part is larger than that of the second part. An annular assembling strip is arranged on the bottom of the water pump coupler and protrudes outwards from the bottom surface, and the inner diameter of the annular assembling strip is equal to the diameter of the first part of the through hole. The water pump coupler of the axial flow pump and a water pump coupler matched with the water pump coupler can well form a rigid coupler, so that the stable and reliable transmission function can be realized.
Description
Technical field
The utility model relates to the axial-flow pump field, relates in particular to a kind of water pump coupler of axial-flow pump.
Background technique
Axial-flow pump is the pump that liquid is carried by the active force that the blade of spinning roller impeller produces liquid along axial direction.Axial-flow pump mainly is comprised of the pump housing, impeller, vane apparatus and inlet/outlet pipe etc.Pump housing shape is cylindrical, and impeller is fixed on pump shaft, and the axial-flow pump pump shaft is by two bearing supportings in the pump housing, and the axial-flow pump pump shaft borrows coupling to be connected with motor shaft.Impeller is equipped with 2～7 blades, and these blades installations form impeller on the movable vane head, and impeller rotates in the tubular shape pump case.On the pump case of upper impeller, fixed guide vane is housed,, in order to eliminate rotatablely moving of liquid, makes it to become axial motion, and the kinetic energy that rotatablely moves is changed into pressure energy.
Axial-flow pump is single-stage normally, and minority is made stage type.Range of flow is very large, be 180～36 ten thousand steres/time.Lift is generally below 20 meters.Axial-flow pump is generally vertical, and impeller is immersed under water, also has horizontal or inclined axial flow.
Axial-flow pump mainly is applicable to the occasion of low lift, large flow, regulates as the water level of irrigation, water drainage, dock draining, canal ship lock, or as the large shape circulating water pump of power plant.The axial-flow pump that lift is higher (making in case of necessity twin-stage) can be for the hydraulic jet propulsion of shallow draft ship.
The model utility content
The utility model is intended to propose a kind of water pump coupler of axial-flow pump, and this water pump coupler is connected with transmission coupling, jointly forms the rigid coupling of axial-flow pump.
According to an embodiment of the present utility model, a kind of water pump coupler of axial-flow pump is proposed, the bottom of this water pump coupler is blue to the external expansion forming method, offers attachment hole on flange.The outer surface of this water pump coupler is the cylinder stepped shape, and the diameter of the part of close bottom is greater than the diameter of the part near top.The inside of this water pump coupler has through hole, and through hole is stepped shape, comprises that the diameter of first portion is greater than second portion near the first portion of bottom and the second portion at close top.Have annular assembling bar on the bottom surface of this water pump coupler, annular assembling bar by bottom surface to outer process, the equal diameters of the internal diameter of annular assembling bar and the first portion of through hole.
In one embodiment, attachment hole is several, and equidistantly to be evenly distributed on flange, these attachment holes are used for water pump coupler is connected with water pump coupler.
In one embodiment, the step surface on the outer surface of this water pump coupler is positioned at 1/2 At The Height of water pump coupler.By top its 1/2 be highly the cylindrical of a less, it is relatively large cylindrical highly playing downward 1/4 height by 1/2, continuing downward 1/4 height is flange.
In one embodiment, the first portion of through hole is cylindrical.The second portion of through hole is truncated cone, and diameter is increased to top gradually by bottom, but the maximum diameter of second portion is less than the diameter of first portion.The second portion of through hole has the expansion of truncated cone.This expansion is positioned at 1/2 height near top.
The water pump coupler of axial-flow pump of the present utility model can form rigid coupling with the transmission coupling of coupling well, realizes reliable and stable transmission agency.
Description of drawings
Fig. 1 has disclosed the sectional structure chart according to the water pump coupler of an embodiment's of the present utility model axial-flow pump.
Fig. 2 has disclosed the bottom surface structure figure according to the water pump coupler of an embodiment's of the present utility model axial-flow pump.
Fig. 3 has disclosed the structural drawing that is connected to form rigid coupling according to an embodiment's of the present utility model water pump coupler and transmission coupling.
Embodiment
With reference to illustrated in figures 1 and 2, the utility model has disclosed a kind of water pump coupler of axial-flow pump.Fig. 1 has disclosed the sectional structure chart of this water pump coupler, and Fig. 2 has disclosed the bottom surface structure figure of this water pump coupler.As shown in the figure, this water pump coupler 100 is comprised of the cylindrical of a plurality of different-diameters on the whole.The bottom of this water pump coupler 100, to external expansion forming method orchid 102, offers attachment hole 103 on flange 102.The outer surface of water pump coupler 100 is the cylinder stepped shape, and the diameter of the part 104 of close bottom is greater than the diameter of the part 106 near top.As shown in Figure 1, the part 106 at close top is the cylindrical of less, and it highly is approximately 1/2 of water pump coupler 100 whole heights.Step surface 105 is positioned at about 1/2 At The Height of water pump coupler 100, the i.e. middle part of water pump coupler 100.Relatively large cylindrical near the part 104 of bottom, its highly be about water pump coupler 100 whole height 1/4.The height of flange 102 be about water pump coupler 100 whole height 1/4, flange 102 is positioned at the bottom of water pump coupler 100.
The inside of water pump coupler 100 has through hole 108, and through hole 108 also is stepped shape.Through hole 108 comprises the second portion 109 near the first portion 107 of bottom and close top.As shown in Figure 1, the diameter of the first portion 107 of through hole is greater than the diameter of the second portion 109 of through hole.Continue with reference to shown in Figure 1, the first portion 107 of through hole is cylindrical.The second portion 109 of through hole is truncated cone, and the diameter of truncated cone is increased to top gradually by bottom, but the maximum diameter of second portion 109, and the diameter that namely is positioned at top is also less than the diameter of first portion 107.In illustrated embodiment, the second portion 109 of through hole has the expansion 110 of truncated cone.This expansion is positioned at 1/2 height near top, and namely the position of expansion 110 is higher than the position of step surface 105.
Have annular assembling bar 112 on the bottom surface of this water pump coupler 100, annular assembling bar 112 by bottom surface to outer process, the equal diameters of the internal diameter of annular assembling bar 112 and the first portion 107 of through hole.Annular assembling bar 112 is used for interconnected with transmission coupling.
With reference to shown in Figure 2, in one embodiment, the quantity of the attachment hole 103 on flange 102 is several, and several attachment holes 103 are equidistantly to be evenly distributed on flange 102, such as in the embodiment shown in Figure 2, four attachment holes 103 are evenly distributed on flange 102 take 90 ° as interval.Attachment hole 103 is used for water pump coupler 100 is connected with transmission coupling.
Fig. 3 has disclosed the structural drawing that is connected to form rigid coupling according to an embodiment's of the present utility model water pump coupler and transmission coupling.As shown in Figure 3, transmission coupling 200 has and water pump coupler 100 consistent structure almost, and difference is to have recessed annular fitting recess 202 on the bottom surface of transmission coupling 200.When water pump coupler 100 and transmission coupling 200 are connected to each other, annular assembling bar 112 is embedded in annular fitting recess 202, the width of annular assembling bar 112 is consistent with the width of annular fitting recess 202, and the internal diameter of annular assembling bar 112 is consistent with the diameter of the first portion 107 of through hole, just forms the internal run-through hole that diameter is consistent and be communicated with after therefore being connected to each other.Attachment hole on transmission coupling 200 and water pump coupler 100 is aligned with each other, bolt 204 passes the attachment hole that is aligned with each other, lock by packing ring 206 and nut 208, make transmission coupling 200 be connected with water pump coupler and realize firm the connection, jointly form rigid coupling.
The water pump coupler of axial-flow pump of the present utility model can form rigid coupling with the transmission coupling of coupling well, realizes reliable and stable transmission agency.
Claims (7)
1. the water pump coupler of an axial-flow pump, is characterized in that,
The bottom of this water pump coupler is blue to the external expansion forming method, offers attachment hole on flange;
The outer surface of this water pump coupler is the cylinder stepped shape, and the diameter of the part of close bottom is greater than the diameter of the part near top;
The inside of this water pump coupler has through hole, and described through hole is stepped shape, comprises that the diameter of first portion is greater than second portion near the first portion of bottom and the second portion at close top;
Have annular assembling bar on the bottom surface of this water pump coupler, annular assembling bar by bottom surface to outer process, the equal diameters of the internal diameter of annular assembling bar and the first portion of through hole.
2. the water pump coupler of axial-flow pump as claimed in claim 1, is characterized in that, described attachment hole is several, equidistantly to be evenly distributed on flange.
3. the water pump coupler of axial-flow pump as claimed in claim 1, is characterized in that, the step surface on the outer surface of this water pump coupler is positioned at 1/2 At The Height of water pump coupler.
4. the water pump coupler of axial-flow pump as claimed in claim 1, is characterized in that, the thickness of described flange is 1/4 of water pump coupler height.
5. the water pump coupler of axial-flow pump as claimed in claim 1, is characterized in that, the first portion of described through hole is cylindrical.
6. the water pump coupler of axial-flow pump as claimed in claim 1, is characterized in that, the second portion of described through hole is truncated cone, and diameter is increased to top gradually by bottom, but the maximum diameter of second portion is less than the diameter of first portion.
7. the water pump coupler of axial-flow pump as claimed in claim 6, is characterized in that, the second portion of described through hole has the expansion of truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203032645U CN203285713U (en) | 2013-05-29 | 2013-05-29 | Water pump coupler of axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203032645U CN203285713U (en) | 2013-05-29 | 2013-05-29 | Water pump coupler of axial flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285713U true CN203285713U (en) | 2013-11-13 |
Family
ID=49542079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203032645U Expired - Fee Related CN203285713U (en) | 2013-05-29 | 2013-05-29 | Water pump coupler of axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740819A (en) * | 2017-11-01 | 2018-02-27 | 镇江索达联轴器有限公司 | A kind of tapered shaft shaft coupling |
-
2013
- 2013-05-29 CN CN2013203032645U patent/CN203285713U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740819A (en) * | 2017-11-01 | 2018-02-27 | 镇江索达联轴器有限公司 | A kind of tapered shaft shaft coupling |
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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 |
Granted publication date: 20131113 Termination date: 20170529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |