CN103758786A - 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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- CN103758786A CN103758786A CN201410025476.0A CN201410025476A CN103758786A CN 103758786 A CN103758786 A CN 103758786A CN 201410025476 A CN201410025476 A CN 201410025476A CN 103758786 A CN103758786 A CN 103758786A
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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 multistage centrifugal pump water inlet and outlet pedestal structure with and manufacture method.
Background technique
Multistage centrifugal pump is the impeller that relies on High Rotation Speed, makes liquid under inertial centrifugal force effect, obtain energy to improve pressure, and multistage centrifugal pump is all widely used in daily life and in industry.Therefore for the manufacturing of the composition accessory of multistage centrifugal pump, but the water inlet and outlet pedestal of multistage centrifugal pump is when production and processing, what adopt is to utilize mould to carry out integrally casting processing, utilize its cast member of water inlet and outlet pedestal that mould is cast may have pore or shrinkage cavity, easily leak, utilize die casting processing simultaneously, there is certain pollution, also extremely large on the impact of environment, and adopt die casting to process, die sinking is to mold, the cost of whole process drops into extremely many, also just caused the price of water inlet and outlet pedestal of die casting processing also high, this forging type, more and more instantly serious in current environmental pollution, seem that some wastes valuable resource and manpower and financial resources.
Summary of the invention
The deficiency existing for above-mentioned prior art, the object of this invention is to provide comparatively environmental protection of one, and it is low that cost drops into antipole, and saved valuable resource, the structure of the water inlet and outlet pedestal of the multistage centrifugal pump also reducing in a large number for the input of manpower and financial resources with and manufacture method.
For realizing above-mentioned object, the invention provides following technological scheme:
A kind of water inlet and outlet pedestal of multistage centrifugal pump, on the sidewall of frame, offer water inlet and osculum, in the cavity of frame, be welded with inner barrel, on the sidewall of inner barrel, offer the water inlet corresponding with the water inlet position of frame, the upper end of frame and inner barrel is equipped with opening, the middle part, bottom surface of inner barrel offers axis hole, on the water inlet of described frame and inner barrel, be welded with intake pipe, on the osculum of described frame, be welded with outlet pipe, between frame and the sidewall of inner barrel, be provided with water space.
The present invention is further set to: the welding ends of described intake pipe and outlet pipe is provided with necking part.
The present invention is further set to: the external diameter of the necking part of described intake pipe is identical with the internal diameter of the water inlet of frame and inner barrel respectively, and the external diameter of the necking part of described outlet pipe is identical with the internal diameter of the osculum of frame.
The present invention is further set to: limit, the hole portion of the water inlet of described frame and osculum is all outwards provided with the flange of 90 degree.
The present invention is further set to: the opening of the upper end of described frame is provided with 90 first outside degree flange, 90 degree flange upwards again.
The present invention is further set to: the opening of the upper end of described frame upwards 90 degree flange after, more inside 90 degree crimpings.
The present invention is further set to: the opening of the upper end of described inner barrel is provided with 90 first outside degree flange, 90 degree flange upwards again.
The present invention is further set to: the axis hole of the bottom end of described inner barrel is upwards provided with 90 degree flange.
In above-mentioned, the manufacture method of the water inlet and outlet pedestal of described multistage centrifugal pump is:
(1) manufacture frame:
1. the opening of the upper end of frame is first outwards carried out to 90 degree flange, then the limit portion of flange is upwards carried out to 90 degree flange;
2. again by upwards the crimping of 90 degree inwardly carries out on the limits of the frame of 90 degree flange in 1.;
3. on the sidewall of frame, carry out punching, go out respectively water inlet and osculum;
(2) manufacture inner barrel:
1. the opening of the upper end of inner barrel is first outwards carried out to 90 degree flange, then the limit portion of flange is upwards carried out to 90 degree flange;
2. on the sidewall of inner barrel, carry out punching, go out water inlet;
3. the limit portion of the axis hole on inner barrel is carried out to upwards 90 degree flange;
(3) by inner barrel good above-mentioned manufacture and frame zoarium:
1. inner barrel is inserted on the bottom end of frame inner chamber, the central axis that makes the water inlet of inner barrel and the water inlet of frame is the same line, and inner barrel is welded in to the bottom end of frame;
2. intake pipe inserted to the water inlet of frame and extend in the water inlet of inner barrel, then intake pipe is carried out to seamless welding respectively and between frame and the water inlet of inner barrel;
3. outlet pipe is inserted in the osculum of frame, will between outlet pipe and the osculum of frame, carry out seamless welding.
The present invention is further set to: described step (3) 3. can place 3. completing afterwards of step (1), form 4. outlet pipe being inserted in the osculum of frame of step (1), will between outlet pipe and the osculum of frame, carry out seamless welding.
By adopting technique scheme, the technique effect that the present invention reaches is: utilize the various piece of water inlet and outlet pedestal is carried out to split impact briquetting processing, and then by the mode of seamless welding, various piece is welded together, whole process has reduced the trouble of die casting processing, equally just there is no the pollution problem forming in die casting course of working yet, and removal needs die sinking, the trouble of mold, directly having deducted a large amount of costs drops into, and adopt the quality of water inlet and outlet pedestal and the quality entirety usability of the water inlet and outlet pedestal that adopts mold to complete that the mode of seamless welding is welded into improve, sealability is outstanding especially, therefore, the present invention is in saving resource, reduced the input of manpower and financial resources, removed especially and processed the pollution problem causing because of die casting.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Fig. 1 is cross-sectional view of the present invention.
Specific embodiment
As shown in Figure 1, for the water inlet and outlet pedestal of a kind of multistage centrifugal pump disclosed by the invention, on the sidewall of frame 10, offer water inlet and osculum, in the cavity of frame 10, be welded with inner barrel 20, on the sidewall of inner barrel 20, offer the water inlet corresponding with the water inlet position of frame 10, the upper end of frame 10 and inner barrel 20 is equipped with opening, the middle part, bottom surface of inner barrel 20 offers axis hole 30, on the water inlet of described frame 10 and inner barrel 20, be welded with intake pipe 40, on the osculum of described frame 10, be welded with outlet pipe 50, between the sidewall of frame 10 and inner barrel 20, be provided with water space.
In above-mentioned, the welding ends of described intake pipe and outlet pipe is provided with necking part 60.The external diameter of the necking part 60 of described intake pipe is identical with the internal diameter of the water inlet of frame 10 and inner barrel 20 respectively, and the external diameter of the necking part 60 of described outlet pipe is identical with the internal diameter of the osculum of frame 10.Certainly, the external diameter of the body on described intake pipe and outlet pipe except necking part 60 is all greater than the internal diameter of the water inlet of frame 10 and inner barrel 20, adopting the many employings of seamless welding to weld in the contacting point of the water inlet of intake pipe and frame 10 and inner barrel 20, after welding, adopt the mode of polishing that weld is polished smooth.
In above-mentioned, limit, the hole portion of the water inlet of described frame 10 and osculum is all outwards provided with the flange of 90 degree.
In above-mentioned, the opening of the upper end of described frame 10 is provided with 90 first outside degree flange, 90 degree flange upwards again, and the opening of the upper end of frame is upwards after 90 degree flange, more inside 90 degree crimpings.
In above-mentioned, the opening of the upper end of described inner barrel 20 is provided with 90 first outside degree flange, 90 degree flange upwards again.
In above-mentioned, the axis hole of the bottom end of described inner barrel 20 is upwards provided with 90 degree flange.
In above-mentioned, the manufacture method of the water inlet and outlet pedestal of described multistage centrifugal pump is:
(1) manufacture frame 10:
1. the opening of the upper end of frame 10 is first outwards carried out to 90 degree flange, then the limit portion of flange is upwards carried out to 90 degree flange;
2. again by upwards the crimping of 90 degree inwardly carries out on the limits of the frame 10 of 90 degree flange in 1.;
3. on the sidewall of frame 10, carry out punching, go out respectively water inlet and osculum;
(2) manufacture inner barrel 20:
1. the opening of the upper end of inner barrel 20 is first outwards carried out to 90 degree flange, then the limit portion of flange is upwards carried out to 90 degree flange;
2. on the sidewall of inner barrel 20, carry out punching, go out water inlet;
3. the limit portion of the axis hole on inner barrel 20 30 is carried out to upwards 90 degree flange;
(3) by inner barrel 20 good above-mentioned manufacture and frame 10 zoariums:
1. inner barrel 20 is inserted on the bottom end of frame 10 inner chambers, making the central axis of the water inlet of inner barrel 20 and the water inlet of frame 10 is the same line, and inner barrel 20 is welded in to the bottom end of frame 10;
2. intake pipe 40 inserted to the water inlet of frame 10 and extend in the water inlet of inner barrel 20, then intake pipe 40 is carried out to seamless welding respectively and between frame 10 and the water inlet of inner barrel 20;
3. outlet pipe 50 is inserted in the osculum of frame 10, will between outlet pipe 50 and the osculum of frame 10, carry out seamless welding.
In above-mentioned, described step (3) 3. can place 3. completing afterwards of step (1), form 4. outlet pipe 50 being inserted in the osculum of frame 10 of step (1), will between outlet pipe 50 and the osculum of frame 10, carry out seamless welding.
Certainly, the step in above-mentioned (1) be 3. also placed on step (1) 1. before start processing; 3. the processing afterwards that 1. also can be placed on step (2) of step (2); 2. the also exchangeable of order and 3. of step (3).Step (1) and step (2) can be carried out simultaneously, also can any one first carry out, here in no particular order.3. the axis hole 30 on the inner barrel 20 of step (2) processes in the time of can being processing inner barrel 20 together, also can be the bottom end of inner barrel 20 is carried out to punching to become axis hole 30, equally, necking part 60 on intake pipe 40 and outlet pipe 50 can be also to add to process together man-hour, also can be the cutting of just carrying out in the time need to assembling.
Therefore, step and the operation part in step in above-mentioned can not necessarily be undertaken by above-mentioned order, and the step in above-mentioned is only preferred implementation.
Above-described embodiment is only preferred embodiment of the present invention, not limits the scope of the invention according to this, therefore: all equivalences of doing according to structure of the present invention, shape, principle change, within all should being covered by protection scope of the present invention.
Claims (10)
1. the water inlet and outlet pedestal of a multistage centrifugal pump, it is characterized in that: on the sidewall of frame, offer water inlet and osculum, in the cavity of frame, be welded with inner barrel, on the sidewall of inner barrel, offer the water inlet corresponding with the water inlet position of frame, the upper end of frame and inner barrel is equipped with opening, the middle part, bottom surface of inner barrel offers axis hole, on the water inlet of described frame and inner barrel, be welded with intake pipe, on the osculum of described frame, be welded with outlet pipe, between frame and the sidewall of inner barrel, be provided with water space.
2. the water inlet and outlet pedestal of multistage centrifugal pump according to claim 1, is characterized in that: the welding ends of described intake pipe and outlet pipe is provided with necking part.
3. the water inlet and outlet pedestal of multistage centrifugal pump according to claim 2, it is characterized in that: the external diameter of the necking part of described intake pipe is identical with the internal diameter of the water inlet of frame and inner barrel respectively, and the external diameter of the necking part of described outlet pipe is identical with the internal diameter of the osculum of frame.
4. the water inlet and outlet pedestal of multistage centrifugal pump according to claim 1, is characterized in that: limit, the hole portion of the water inlet of described frame and osculum is all outwards provided with the flange of 90 degree.
5. the water inlet and outlet pedestal of multistage centrifugal pump according to claim 1, is characterized in that: the opening of the upper end of described frame is provided with 90 first outside degree flange, 90 degree flange upwards again.
6. the water inlet and outlet pedestal of multistage centrifugal pump according to claim 5, is characterized in that: the opening of the upper end of described frame upwards 90 degree flange after, more inside 90 degree crimpings.
7. the water inlet and outlet pedestal of multistage centrifugal pump according to claim 1, is characterized in that: the opening of the upper end of described inner barrel is provided with 90 first outside degree flange, 90 degree flange upwards again.
8. the water inlet and outlet pedestal of multistage centrifugal pump according to claim 1, is characterized in that: the axis hole of the bottom end of described inner barrel is upwards provided with 90 degree flange.
9. a manufacture method for the water inlet and outlet pedestal of the multistage centrifugal pump as described in claim 1-8 any one, is characterized in that:
(1) manufacture frame:
1. the opening of the upper end of frame is first outwards carried out to 90 degree flange, then the limit portion of flange is upwards carried out to 90 degree flange;
2. again by upwards the crimping of 90 degree inwardly carries out on the limits of the frame of 90 degree flange in 1.;
3. on the sidewall of frame, carry out punching, go out respectively water inlet and osculum;
(2) manufacture inner barrel:
1. the opening of the upper end of inner barrel is first outwards carried out to 90 degree flange, then the limit portion of flange is upwards carried out to 90 degree flange;
2. on the sidewall of inner barrel, carry out punching, go out water inlet;
3. the limit portion of the axis hole on inner barrel is carried out to upwards 90 degree flange;
(3) by inner barrel good above-mentioned manufacture and frame zoarium:
1. inner barrel is inserted on the bottom end of frame inner chamber, the central axis that makes the water inlet of inner barrel and the water inlet of frame is the same line, and inner barrel is welded in to the bottom end of frame;
2. intake pipe inserted to the water inlet of frame and extend in the water inlet of inner barrel, then intake pipe is carried out to seamless welding respectively and between frame and the water inlet of inner barrel;
3. outlet pipe is inserted in the osculum of frame, will between outlet pipe and the osculum of frame, carry out seamless welding.
10. the manufacture method of the water inlet and outlet pedestal of multistage centrifugal pump according to claim 9, it is characterized in that: described step (3) 3. can place 3. completing afterwards of step (1), form 4. outlet pipe being inserted in the osculum of frame of step (1), will between outlet pipe and the osculum of frame, carry out seamless welding.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN103758786A true CN103758786A (en) | 2014-04-30 |
| CN103758786B CN103758786B (en) | 2017-01-25 |
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| 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 |
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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 |
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| CN103758786B (en) | 2017-01-25 |
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