CN203702659U - Water-in-out base of multiple-stage centrifugal pump - Google Patents
Water-in-out base of multiple-stage centrifugal pump Download PDFInfo
- Publication number
- CN203702659U CN203702659U CN201420032134.7U CN201420032134U CN203702659U CN 203702659 U CN203702659 U CN 203702659U CN 201420032134 U CN201420032134 U CN 201420032134U CN 203702659 U CN203702659 U CN 203702659U
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- China
- Prior art keywords
- water inlet
- frame
- inner barrel
- centrifugal pump
- water
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- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 13
- 238000002788 crimping Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000004512 die casting Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of centrifugal pumps, in particular to a water-in-out base of a multiple-stage centrifugal pump. A water inlet and a water outlet are formed in the side wall of an outer shell body. An inner cylinder body is welded into a cavity of the outer shell body. A water inlet corresponding to the water inlet formed in the outer shell body in position is formed in the side wall of the inner cylinder body. Openings are formed in the upper ends of the outer shell body and the inner cylinder body. A shaft hole is formed in the middle of the bottom face of the inner cylinder body. A water inlet pipe is fixedly welded at the water inlets of the outer shell body and the inner cylinder body. A water outlet pipe is fixedly welded at the water outlet of the outer shell body. A water through gap is formed between the side walls of the outer shell body and the inner cylinder body. The water-in-out base has the advantages that environment is protected, cost investment is relatively low, precious resources are saved, and manpower and financial resource investment is greatly lowered.
Description
Technical field
The utility model 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 in the time of 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 purpose of this utility model 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 utility model 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 utility model is further set to: the welding ends of described intake pipe and outlet pipe is provided with necking part.
The utility model 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 utility model 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 utility model 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 utility model is further set to: the opening of the upper end of described frame upwards 90 degree flange after, more inside 90 degree crimpings.
The utility model 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 utility model 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 utility model 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 utility model 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 utility model is in saving resource, reduce the input of manpower and financial resources, remove especially and processed the pollution problem causing because of die casting.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is cross-sectional view of the present utility model.
Specific embodiment
As shown in Figure 1, for the water inlet and outlet pedestal of the disclosed a kind of multistage centrifugal pump of the utility model, 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 can be processing inner barrel 20 time 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, the step in above-mentioned and the operation part in step 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 utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (8)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032134.7U CN203702659U (en) | 2014-01-20 | 2014-01-20 | Water-in-out base of multiple-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032134.7U CN203702659U (en) | 2014-01-20 | 2014-01-20 | Water-in-out base of multiple-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702659U true CN203702659U (en) | 2014-07-09 |
Family
ID=51053110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420032134.7U Expired - Lifetime CN203702659U (en) | 2014-01-20 | 2014-01-20 | Water-in-out base of multiple-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758786A (en) * | 2014-01-20 | 2014-04-30 | 浙江同心力机电科技有限公司 | Water inlet and outlet base of multistage centrifugal pump |
-
2014
- 2014-01-20 CN CN201420032134.7U patent/CN203702659U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758786A (en) * | 2014-01-20 | 2014-04-30 | 浙江同心力机电科技有限公司 | Water inlet and outlet base of multistage centrifugal pump |
| CN103758786B (en) * | 2014-01-20 | 2017-01-25 | 浙江同心力机电科技有限公司 | Water inlet and outlet base of multistage centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |