CN103758786B - Water inlet and outlet base of multistage centrifugal pump - Google Patents
Water inlet and outlet base of multistage centrifugal pump Download PDFInfo
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- CN103758786B CN103758786B CN201410025476.0A CN201410025476A CN103758786B CN 103758786 B CN103758786 B CN 103758786B CN 201410025476 A CN201410025476 A CN 201410025476A CN 103758786 B CN103758786 B CN 103758786B
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Abstract
The invention relates to the technical field of centrifugal pumps, in particular to the water inlet and inlet and outlet base of a multistage centrifugal pump and a manufacturing method of the water inlet and inlet and outlet base. The water inlet and inlet and outlet base is mainly structurally characterized in that a water inlet and a water outlet are formed in the side wall of an shell, an inner cylinder is welded into the cavity of the shell, a water inlet corresponding to the water inlet of the shell in position is formed in the side wall of the inner cylinder, an opening is formed at the upper end of each of the shell and the inner cylinder, a shaft hole is formed in the middle of the bottom of the inner cylinder, a water inlet pipe is welded and fixed on the water inlet holes of the shell and the inner cylinder, a water outlet pipe is welded and fixed on the water outlet of the shell, and a water passing gap is formed between the shell and the side wall of the inner cylinder. The water inlet and inlet and outlet base has the advantages that the water inlet and inlet and outlet base is environmental friendly and relatively extremely low in cost, precious resources are saved, and investment in manpower and financial resources is reduced greatly.
Description
Technical field
The present invention relates to the technical field of centrifugal pump, especially relate to a kind of structure of the Inlet and outlet water pedestal of centrifugal multistage pump multiple centrifugal pump
And its manufacture method.
Background technology
Centrifugal multistage pump multiple centrifugal pump is the impeller relying on high-speed rotation, makes liquid obtain energy to carry under centrifugal inertial force effect
High Voltage, centrifugal multistage pump multiple centrifugal pump is widely used in industry in daily life and all.Therefore for the group of centrifugal multistage pump multiple centrifugal pump
Become the manufacturing of accessory, but the Inlet and outlet water pedestal of centrifugal multistage pump multiple centrifugal pump, in production and processing, is used and carried out using mould
Integrally casting is processed, and might have pore or shrinkage cavity, easy leak, profit simultaneously using its cast member of Inlet and outlet water pedestal that mould is cast
With die casting processing, there is certain pollution, the impact to environment is also extremely big, and using die casting processing, die sinking
To mold, the cost input of whole process is extremely many, has also resulted in the price also pole of the Inlet and outlet water pedestal of die casting processing
Height, this forging type, increasingly severe instantly in current environmental pollution, it appears some waste valuable resource and manpower
And financial resources.
Content of the invention
The deficiency existing for above-mentioned prior art, it is an object of the invention to provide one kind more environmental protection, and cost input
Relatively extremely low, and also save the resource of preciousness, for manpower and financial resources the centrifugal multistage pump multiple centrifugal pump that also reduces in a large number of input it
The structure of Inlet and outlet water pedestal and its manufacture method.
For realizing above-mentioned purpose, the invention provides technical scheme below:
A kind of Inlet and outlet water pedestal of centrifugal multistage pump multiple centrifugal pump, the side wall of shell body offers inlet opening and apopore, shell body
Cavity in be welded with inner barrel, the side wall of inner barrel offers the inlet opening corresponding with the water inlet position of shell body,
The upper end of shell body and inner barrel is equipped with opening, offers axis hole in the middle part of the bottom surface of inner barrel, described shell body and inner barrel
Inlet opening on be welded with water inlet pipe, the apopore of described shell body is welded with outlet pipe, shell body and inner core
It was provided with water space between the side wall of body.
The present invention is further arranged to: the welding ends of described water inlet pipe and outlet pipe is provided with necking part.
The present invention is further arranged to: the water inlet with shell body and inner barrel respectively of the external diameter of the necking part of described water inlet pipe
The internal diameter in hole is identical, and the external diameter of the necking part of described outlet pipe is identical with the internal diameter of the apopore of shell body.
The present invention is further arranged to: the hole edge of the inlet opening of described shell body and apopore is all to being externally provided with 90 degree
Flange.
The present invention is further arranged to: be provided with the opening of the upper end of described shell body 90 degree of first outside flange, again to
On 90 degree of flange.
The present invention is further arranged to: at the opening of the upper end of described shell body upwards after 90 degree of flange, more inside 90 degree
Crimping.
The present invention is further arranged to: be provided with the opening of the upper end of described inner barrel 90 degree of first outside flange, again to
On 90 degree of flange.
The present invention is further arranged to: the axis hole of the bottom face of described inner barrel is provided with 90 degree of flange upwards.
In above-mentioned, the manufacture method of the Inlet and outlet water pedestal of described centrifugal multistage pump multiple centrifugal pump is:
(1) manufacture shell body:
1. first will outwards carry out 90 degree of flange at the opening of the upper end of shell body, then the edge of flange is carried out 90 degree upwards
Flange；
2. again by 1. upwards the side of the shell body of 90 degree of flange inwardly carry out 90 degree of crimping；
3. it is punched out on the side wall of shell body, go out inlet opening and apopore respectively；
(2) manufacture inner barrel:
1. first will outwards carry out 90 degree of flange at the opening of the upper end of inner barrel, then the edge of flange is carried out 90 degree upwards
Flange；
2. it is punched out on the side wall of inner barrel, go out inlet opening；
3. the edge of the axis hole on inner barrel is carried out 90 degree of flange upwards；
(3) will be fit to the good inner barrel of above-mentioned manufacture and shell body:
1. inner barrel is inserted on the bottom face of shell intracoelomic cavity, make the inlet opening of inner barrel and the inlet opening of shell body
Central axis is the same line, and inner barrel is welded in the bottom face of shell body；
2. water inlet pipe is inserted the inlet opening of shell body and extend the water inlet in the hole of inner barrel, then by water inlet pipe respectively with outward
Carry out seamless welding between housing and the inlet opening of inner barrel；
3. outlet pipe is inserted the water outlet in the hole of shell body, no seam weld will be carried out between outlet pipe and the apopore of shell body
Connect.
The present invention is further arranged to: described step (3) 3. can place 3. completing afterwards of step (1), forming step
(1) the water outlet in the hole that 4. outlet pipe inserts shell body, will carry out seamless welding between outlet pipe and the apopore of shell body.
By adopting technique scheme, the technique effect that the present invention is reached is: using by Inlet and outlet water pedestal each
Part carries out split punch forming processing, is then welded together various pieces by way of seamless welding, whole mistake again
Journey decreases the trouble of die casting processing, does not equally also just have the pollution problem being formed in die casting process, and
Remove and need die sinking, the trouble of mold, directly deducted substantial amounts of cost input, and welded by the way of seamless welding
The quality of Inlet and outlet water pedestal becoming is improved with the quality entirety serviceability of the Inlet and outlet water pedestal being completed using mold, sealing property
Even more outstanding, therefore, the present invention, while save resources, decreases the input of manpower and financial resources, even more eliminates because of mould
The pollution problem that casting processing causes.
Brief description
The present invention is further detailed explanation below in conjunction with the accompanying drawings.
Fig. 1 is the cross-sectional view of the present invention.
Specific embodiment
As shown in figure 1, being a kind of Inlet and outlet water pedestal of centrifugal multistage pump multiple centrifugal pump disclosed by the invention, the side wall of shell body 10 is opened
It is provided with inlet opening and apopore, in the cavity of shell body 10, is welded with inner barrel 20, the side wall of inner barrel 20 offers with outward
The corresponding inlet opening of the water inlet position of housing 10, the upper end of shell body 10 and inner barrel 20 is equipped with opening, inner barrel 20
Bottom surface in the middle part of offer axis hole 30, the inlet opening of described shell body 10 and inner barrel 20 is welded with water inlet pipe 40, institute
Outlet pipe 50 is welded with the apopore stating shell body 10, between the side wall of shell body 10 and inner barrel 20, was provided with water
Gap.
In above-mentioned, the welding ends of described water inlet pipe and outlet pipe is provided with necking part 60.The necking part 60 of described water inlet pipe
External diameter is identical with the internal diameter of shell body 10 and the inlet opening of inner barrel 20 respectively, and the external diameter of necking part 60 of described outlet pipe is with outward
The internal diameter of the apopore of housing 10 is identical.Certainly, on described water inlet pipe and outlet pipe the body in addition to necking part 60 external diameter
It is all higher than the internal diameter of the inlet opening of shell body 10 and inner barrel 20, adopted using seamless welding in water inlet pipe and shell body 10 more
Welded with the contact position of the inlet opening of inner barrel 20, by the way of polishing, weld is polished smooth after welding.
In above-mentioned, the inlet opening of described shell body 10 and the hole edge of apopore are all to the flange being externally provided with 90 degree.
In above-mentioned, be provided with the opening of upper end of described shell body 10 90 degree of first outside flange, again 90 degree upwards turn over
Side, at the opening of the upper end of shell body upwards after 90 degree of flange, more inside 90 degree of crimpings.
In above-mentioned, be provided with the opening of upper end of described inner barrel 20 90 degree of first outside flange, again 90 degree upwards turn over
Side.
In above-mentioned, the axis hole of the bottom face of described inner barrel 20 is provided with 90 degree of flange upwards.
In above-mentioned, the manufacture method of the Inlet and outlet water pedestal of described centrifugal multistage pump multiple centrifugal pump is:
(1) manufacture shell body 10:
1. first will outwards carry out 90 degree of flange at the opening of the upper end of shell body 10, then the edge of flange is carried out upwards 90
Degree flange；
2. again by 1. upwards the side of the shell body 10 of 90 degree of flange inwardly carry out 90 degree of crimping；
3. it is punched out on the side wall of shell body 10, go out inlet opening and apopore respectively；
(2) manufacture inner barrel 20:
1. first will outwards carry out 90 degree of flange at the opening of the upper end of inner barrel 20, then the edge of flange is carried out upwards 90
Degree flange；
2. it is punched out on the side wall of inner barrel 20, go out inlet opening；
3. the edge of the axis hole 30 on inner barrel 20 is carried out 90 degree of flange upwards；
(3) will be fit to the good inner barrel of above-mentioned manufacture 20 and shell body 10:
1. inner barrel 20 is inserted on the bottom face of shell body 10 inner chamber, make inlet opening and the shell body 10 of inner barrel 20
The central axis of inlet opening is the same line, and inner barrel 20 is welded in the bottom face of shell body 10；
2. water inlet pipe 40 is inserted the inlet opening of shell body 10 and extend the water inlet in the hole of inner barrel 20, then by water inlet pipe 40
Carry out seamless welding respectively and the inlet opening of shell body 10 and inner barrel 20 between；
3. outlet pipe 50 is inserted the water outlet in the hole of shell body 10, enter between the apopore of outlet pipe 50 and shell body 10
Row seamless welding.
In above-mentioned, described step (3) 3. can place 3. completing afterwards of step (1), forming step (1) 4. by water outlet
Pipe 50 inserts the water outlet in the hole of shell body 10, carries out seamless welding by between the apopore of outlet pipe 50 and shell body 10.
Certainly, the 1. front of step (1) that be 3. also disposed in of the step in above-mentioned (1) starts to process；Step (2) 1.
3. processing afterwards of step (2) can also be placed on；2. the also interchangeable of order and 3. of step (3).Step (1) and step (2)
Can carry out it is also possible to any one is first carried out, here in no particular order simultaneously.3. the axis hole on the inner barrel 20 of step (2)
30 alternatively can be punched out to the bottom face of inner barrel 20 to become axis hole for processing together when processing inner barrel 20
30, equally, the necking part 60 on water inlet pipe 40 and outlet pipe 50 can also be processed together during processing, is alternatively needing
The machining just carrying out when assembling.
Therefore, the operation in step and step in above-mentioned partly can not necessarily be carried out by above-mentioned order, above-mentioned in
Step be only preferred embodiment.
Above-described embodiment is only presently preferred embodiments of the present invention, not limits the scope of the invention according to this, therefore: all according to
The equivalence changes that the structure of the present invention, shape, principle are done, all should be covered by within protection scope of the present invention.
Claims (10)
1. a kind of centrifugal multistage pump multiple centrifugal pump Inlet and outlet water pedestal it is characterised in that: offer inlet opening and water outlet on the side wall of shell body
Hole, is welded with inner barrel, the side wall of inner barrel offers corresponding with the water inlet position of shell body in the cavity of shell body
Inlet opening, the upper end of shell body and inner barrel is equipped with opening, offers axis hole, described shell body in the middle part of the bottom surface of inner barrel
With water inlet pipe is welded with the inlet opening of inner barrel, the apopore of described shell body is welded with outlet pipe, shell
It was provided with water space between the side wall of body and inner barrel.
2. centrifugal multistage pump multiple centrifugal pump according to claim 1 Inlet and outlet water pedestal it is characterised in that: described water inlet pipe and outlet pipe
Welding ends be provided with necking part.
3. centrifugal multistage pump multiple centrifugal pump according to claim 2 Inlet and outlet water pedestal it is characterised in that: the necking part of described water inlet pipe
External diameter identical with the internal diameter of shell body and the inlet opening of inner barrel respectively, the external diameter of the necking part of described outlet pipe and shell body
Apopore internal diameter identical.
4. centrifugal multistage pump multiple centrifugal pump according to claim 1 Inlet and outlet water pedestal it is characterised in that: the inlet opening of described shell body
With the hole edge of apopore all to the flange being externally provided with 90 degree.
5. centrifugal multistage pump multiple centrifugal pump according to claim 1 Inlet and outlet water pedestal it is characterised in that: the upper end of described shell body
It is provided with 90 degree of first outside flange, again 90 degree of flange upwards at opening.
6. centrifugal multistage pump multiple centrifugal pump according to claim 5 Inlet and outlet water pedestal it is characterised in that: the upper end of described shell body
At opening upwards after 90 degree of flange, more inside 90 degree of crimpings.
7. centrifugal multistage pump multiple centrifugal pump according to claim 1 Inlet and outlet water pedestal it is characterised in that: the upper end of described inner barrel
It is provided with 90 degree of first outside flange, again 90 degree of flange upwards at opening.
8. centrifugal multistage pump multiple centrifugal pump according to claim 1 Inlet and outlet water pedestal it is characterised in that: the bottom face of described inner barrel
Axis hole be provided with 90 degree of flange upwards.
9. the manufacture method of the Inlet and outlet water pedestal of the centrifugal multistage pump multiple centrifugal pump as described in a kind of any one as claim 1-8, its feature
It is:
(1) manufacture shell body:
1. first will outwards carry out 90 degree of flange at the opening of the upper end of shell body, then the edge of flange carried out 90 degree upwards turning over
Side；
2. again by 1. upwards the side of the shell body of 90 degree of flange inwardly carry out 90 degree of crimping；
3. it is punched out on the side wall of shell body, go out inlet opening and apopore respectively；
(2) manufacture inner barrel:
1. first will outwards carry out 90 degree of flange at the opening of the upper end of inner barrel, then the edge of flange carried out 90 degree upwards turning over
Side；
2. it is punched out on the side wall of inner barrel, go out inlet opening；
3. the edge of the axis hole on inner barrel is carried out 90 degree of flange upwards；
(3) will be fit to the good inner barrel of above-mentioned manufacture and shell body:
1. inner barrel is inserted on the bottom face of shell intracoelomic cavity, make the center of the inlet opening of inner barrel and the inlet opening of shell body
Axis is the same line, and inner barrel is welded in the bottom face of shell body；
2. water inlet pipe is inserted the inlet opening of shell body and extends the water inlet in the hole of inner barrel, then by water inlet pipe respectively with shell body
Carry out seamless welding and the inlet opening of inner barrel between；
3. outlet pipe is inserted the water outlet in the hole of shell body, seamless welding will be carried out between outlet pipe and the apopore of shell body.
10. the Inlet and outlet water pedestal of centrifugal multistage pump multiple centrifugal pump according to claim 9 manufacture method it is characterised in that: described step
Suddenly (3) 3. can place 3. completing afterwards of step (1), the apopore 4. outlet pipe being inserted shell body of forming step (1)
Interior, seamless welding will be carried out between outlet pipe and the apopore of shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025476.0A CN103758786B (en) | 2014-01-20 | 2014-01-20 | Water inlet and outlet base of multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025476.0A CN103758786B (en) | 2014-01-20 | 2014-01-20 | Water inlet and outlet base of multistage centrifugal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103758786A CN103758786A (en) | 2014-04-30 |
| CN103758786B true CN103758786B (en) | 2017-01-25 |
Family
ID=50526078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410025476.0A Active CN103758786B (en) | 2014-01-20 | 2014-01-20 | Water inlet and outlet base of multistage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103758786B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1526940A (en) * | 1975-12-18 | 1978-10-04 | British Gas Corp | Centrifugal liquid pumps |
| US4518311A (en) * | 1979-10-03 | 1985-05-21 | Klein, Schanzlin & Becker Aktiengesellschaft | Centrifugal pump |
| CN2826034Y (en) * | 2005-08-10 | 2006-10-11 | 杭州南方特种泵业有限公司 | Water inlet and water outlet section |
| CN101135321A (en) * | 2007-09-30 | 2008-03-05 | 沈金浩 | Water inlet-outlet segment with detachable mechanical sealing structure |
| CN202170892U (en) * | 2011-07-28 | 2012-03-21 | 张家港市太平洋泵业制造有限公司 | Water inlet and outlet segment structure of vertical type multistage centrifugal pump |
| CN202402357U (en) * | 2011-12-14 | 2012-08-29 | 上海邦浦实业集团有限公司 | Vertical multistage pipeline pump with novel water inlet/outlet section structure |
| CN102865249A (en) * | 2012-09-29 | 2013-01-09 | 上海中韩杜科泵业制造有限公司 | Water pump capable of being assembled with flanges |
| CN203081864U (en) * | 2013-01-25 | 2013-07-24 | 台州新宏基泵业有限公司 | Stainless steel water entering and exiting body for vertical multiple-grade centrifugal pump |
| CN203702659U (en) * | 2014-01-20 | 2014-07-09 | 浙江同心力机电科技有限公司 | Water-in-out base of multiple-stage centrifugal pump |
-
2014
- 2014-01-20 CN CN201410025476.0A patent/CN103758786B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1526940A (en) * | 1975-12-18 | 1978-10-04 | British Gas Corp | Centrifugal liquid pumps |
| US4518311A (en) * | 1979-10-03 | 1985-05-21 | Klein, Schanzlin & Becker Aktiengesellschaft | Centrifugal pump |
| CN2826034Y (en) * | 2005-08-10 | 2006-10-11 | 杭州南方特种泵业有限公司 | Water inlet and water outlet section |
| CN101135321A (en) * | 2007-09-30 | 2008-03-05 | 沈金浩 | Water inlet-outlet segment with detachable mechanical sealing structure |
| CN202170892U (en) * | 2011-07-28 | 2012-03-21 | 张家港市太平洋泵业制造有限公司 | Water inlet and outlet segment structure of vertical type multistage centrifugal pump |
| CN202402357U (en) * | 2011-12-14 | 2012-08-29 | 上海邦浦实业集团有限公司 | Vertical multistage pipeline pump with novel water inlet/outlet section structure |
| CN102865249A (en) * | 2012-09-29 | 2013-01-09 | 上海中韩杜科泵业制造有限公司 | Water pump capable of being assembled with flanges |
| CN203081864U (en) * | 2013-01-25 | 2013-07-24 | 台州新宏基泵业有限公司 | Stainless steel water entering and exiting body for vertical multiple-grade centrifugal pump |
| CN203702659U (en) * | 2014-01-20 | 2014-07-09 | 浙江同心力机电科技有限公司 | Water-in-out base of multiple-stage centrifugal pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103758786A (en) | 2014-04-30 |
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