CN111156165B - Small-flow single-shaft positive and negative spiral extrusion type magnetic drive pump - Google Patents
Small-flow single-shaft positive and negative spiral extrusion type magnetic drive pump Download PDFInfo
- Publication number
- CN111156165B CN111156165B CN202010044179.6A CN202010044179A CN111156165B CN 111156165 B CN111156165 B CN 111156165B CN 202010044179 A CN202010044179 A CN 202010044179A CN 111156165 B CN111156165 B CN 111156165B
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- CN
- China
- Prior art keywords
- magnetic coupling
- magnetic
- stator seat
- shielding cover
- direct current
- 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.)
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Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 58
- 238000010168 coupling process Methods 0.000 claims abstract description 58
- 238000005859 coupling reaction Methods 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of flow pumps, in particular to a small-flow single-shaft positive and negative spiral extrusion type magnetic drive pump, wherein a direct current speed regulating motor is fixed on a fixed base, the output end of an output shaft of the direct current speed regulating motor is connected with magnetic steel outside a magnetic coupling, the direct current speed regulating motor is connected with a magnetic coupling shielding cover by a motor connecting flange, and the magnetic coupling shielding cover is connected with the end part of a stator seat by a bolt; the outer magnetic steel cover of the magnetic coupling is arranged outside the shielding cover of the magnetic coupling, and the inner magnetic steel of the magnetic coupling is movably embedded in the shielding cover of the magnetic coupling; the stator seat is internally provided with a screw shaft, and the front end of the screw shaft is screwed with the front end wall of the stator seat by a front bearing. It can realize the operation of no leakage, low noise, and stable flow rate and pressure output.
Description
Technical Field
The invention relates to the technical field of flow pumps, in particular to a small-flow single-shaft positive and negative spiral extrusion type magnetic drive pump.
Background
With the improvement of people on environmental awareness, the use of novel energy-saving steam heat source machines is increasing nowadays. The working time is longer and longer, the temperature inside the steam heat source machine is higher and higher, and the main component of the steam heat source machine is a water pump which is required to bear high temperature and high pressure and work for a long time, so that the condition of the water pump is required to be ensured to be normal, and the stable work of the heat source machine can be ensured.
The water pump of the current steam heat source machine often leaks, the water flow and the pressure are orderly, and a plurality of faults are generated, so that the use of the steam heat source machine is affected.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art and provide a small-flow single-shaft positive and negative screw extrusion type magnetic drive pump with reasonable design, which can realize the work of no leakage, low noise and stable flow and pressure output.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the motor comprises a motor connecting flange, magnetic coupling outer magnetic steel, magnetic coupling inner magnetic steel, a magnetic coupling shielding cover, a front bearing, a screw shaft, a rear bearing, a stator seat, a rear end cover, a fixed base and a direct current speed regulating motor; the direct current speed regulating motor is fixed on the fixed base, the output end of the output shaft of the direct current speed regulating motor is connected with the magnetic steel outside the magnetic coupling, the direct current speed regulating motor is connected with the magnetic coupling shielding cover by using the motor connecting flange, and the magnetic coupling shielding cover is connected with the end part of the stator base by using the bolts; the outer magnetic steel cover of the magnetic coupling is arranged outside the shielding cover of the magnetic coupling, and the inner magnetic steel of the magnetic coupling is movably embedded in the shielding cover of the magnetic coupling; the front end of the screw shaft is connected with the front end wall of the stator seat in a screwed mode through a front bearing, the front end of the screw shaft penetrates through the front end wall of the stator seat and then is connected with magnetic steel in the magnetic coupling, the rear end of the screw shaft is connected with the rear end wall of the stator seat in a screwed mode through a rear bearing, the screw shaft is divided into a front section and a rear section, threads of the two sections are oppositely arranged, an outlet is formed in the bottom wall of the stator seat between the two sections, and a plurality of inlets are formed in the upper wall of the stator seat at the rear end of the screw shaft; the rear end of the stator seat is fixedly connected with a rear end cover.
Further, the inlets are symmetrically arranged on the left side and the right side of the upper wall of the stator seat.
Further, a gasket is sleeved on the motor connecting flange, and the gasket is arranged at one end close to the shielding cover of the magnetic coupling.
The working principle of the invention is as follows: the output shaft of the direct current speed regulating motor rotates to drive the magnetic steel outside the magnetic coupling to rotate, the magnetic force generated by the magnetic steel outside the magnetic coupling penetrates through the magnetic coupling shielding cover in the rotating process, the magnetic steel inside the magnetic coupling is driven to rotate, so that the screw shaft is driven to rotate, the screw sections which are oppositely arranged at the front section and the rear section on the screw shaft are extruded from the center of the water inlet tank which is entered from the inlet to the outlet in the rotating process, no fluctuation exists, and the flow and the pressure output are stable.
After adopting the structure, the invention has the beneficial effects that: the invention provides a small-flow single-shaft positive and negative screw extrusion type magnetic drive pump which can realize the work of no leakage, low noise, stable flow and pressure output.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals illustrate:
The motor connecting flange 1, the magnetic coupling outer magnetic steel 2, the magnetic coupling inner magnetic steel 3, the magnetic coupling shielding cover 4, the front bearing 5, the screw shaft 6, the rear bearing 7, the stator seat 8, the inlet 9, the outlet 10, the rear end cover 11, the fixed base 12, the direct current speed regulating motor 13, the output shaft 14 and the gasket 15.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the following technical scheme is adopted in this specific embodiment: the motor comprises a motor connecting flange 1, magnetic coupling outer magnetic steel 2, magnetic coupling inner magnetic steel 3, a magnetic coupling shielding cover 4, a front bearing 5, a screw shaft 6, a rear bearing 7, a stator seat 8, a rear end cover 11, a fixed base 12 and a direct current speed regulating motor 13; the direct current speed regulating motor 13 is fixedly connected to the fixed base 12 by a screw rod, the output end of an output shaft 14 of the direct current speed regulating motor 13 is connected with the magnetic coupling outer magnetic steel 2 by a screw, the direct current speed regulating motor 13 is connected with the magnetic coupling shielding cover 4 by a motor connecting flange 1, the left end flanging of the motor connecting flange 1 is connected with the right end wall of the direct current speed regulating motor 13 by the screw rod for regulation, the right end flanging of the magnetic coupling shielding cover 4 is connected with the end part of the stator seat 8 by a bolt (after the bolt passes through a gasket 15, the motor connecting flange 1 and the right end flanging of the magnetic coupling shielding cover 4, the bolt is fixedly connected with the left end wall of the stator seat 8); the outer magnetic steel 2 of the magnetic coupling is covered outside the shielding cover 4 of the magnetic coupling, and the inner magnetic steel 3 of the magnetic coupling is movably embedded in the shielding cover 4 of the magnetic coupling; the stator seat 8 is internally provided with a screw shaft 6, the front end of the screw shaft 6 is screwed with the front end wall of the stator seat 8 by utilizing a front bearing 5, the front end passes through the front end wall of the stator seat 8 and then is connected with the magnetic steel 3 in the magnetic coupling, the rear end of the screw shaft 6 is screwed with the rear end wall of the stator seat 8 by utilizing a rear bearing 7, the screw shaft 6 is divided into a front section and a rear section, threads of the two sections are oppositely arranged, an outlet 10 is formed in the middle position of the bottom wall of the stator seat 8 between the two sections, and two mutually communicated inlets 9 are symmetrically formed in the left and right direction of the upper wall of the stator seat 8 positioned at the rear end of the screw shaft 6; the rear end of the stator seat 8 is fixedly connected with a rear end cover 11 by a screw.
The working principle of the specific embodiment is as follows: the output shaft 14 of the direct current speed regulating motor 13 rotates to drive the magnetic coupling outer magnetic steel 2 to rotate, the magnetic force generated by the magnetic coupling outer magnetic steel 2 penetrates through the magnetic coupling shielding cover 4 in the rotating process, and then drives the magnetic steel 3 in the magnetic coupling to rotate, so that the screw shaft 6 is driven to rotate, and in the rotating process, the screw thread sections which are oppositely arranged on the front section and the rear section of the screw shaft 6 extrude the center of the water inlet tank which is entered from the inlet 9 to the outlet 10 to be discharged without fluctuation, and the flow and the pressure output are stable.
After adopting above-mentioned structure, this concrete embodiment's beneficial effect: the embodiment provides a small-flow single-shaft positive and negative screw extrusion type magnetic drive pump, which can realize the work of no leakage, low noise and stable flow and pressure output.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (2)
1. A small-flow single-shaft positive and negative screw extrusion type magnetic drive pump is characterized in that: the novel direct current speed regulation motor comprises a motor connecting flange (1), magnetic coupling outer magnetic steel (2), magnetic coupling inner magnetic steel (3), a magnetic coupling shielding cover (4), a front bearing (5), a screw shaft (6), a rear bearing (7), a stator seat (8), a rear end cover (11), a fixed base (12) and a direct current speed regulation motor (13); the direct current speed regulating motor (13) is fixed on the fixed base (12), the output end of an output shaft (14) of the direct current speed regulating motor (13) is connected with magnetic steel (2) outside the magnetic coupling, the direct current speed regulating motor (13) is connected with the magnetic coupling shielding cover (4) by utilizing the motor connecting flange (1), and the magnetic coupling shielding cover (4) is connected with the end part of the stator seat (8) by utilizing a bolt; the outer magnetic steel (2) of the magnetic coupling is covered outside the shielding cover (4) of the magnetic coupling, and the inner magnetic steel (3) of the magnetic coupling is movably embedded in the shielding cover (4) of the magnetic coupling; the stator seat (8) is internally provided with a screw shaft (6), the front end of the screw shaft (6) is screwed with the front end wall of the stator seat (8) by utilizing a front bearing (5), the front end passes through the front end wall of the stator seat (8) and then is connected with the magnetic steel (3) in the magnetic coupling, the rear end of the screw shaft (6) is screwed with the rear end wall of the stator seat (8) by utilizing a rear bearing (7), the screw shaft (6) is divided into a front section and a rear section, threads of the two sections are oppositely arranged, the bottom wall of the stator seat (8) between the two sections is provided with an outlet (10), and the upper wall of the stator seat (8) positioned at the rear end of the screw shaft (6) is provided with a plurality of inlets (9); the rear end of the stator seat (8) is fixedly connected with a rear end cover (11); the inlets (9) are symmetrically arranged at the left side and the right side of the upper wall of the stator seat (8); a gasket (15) is sleeved on the motor connecting flange (1), and the gasket (15) is arranged at one end close to the magnetic coupling shielding cover (4).
2. The small-flow single-shaft positive and negative screw extrusion type magnetic drive pump as claimed in claim 1, wherein: its working principle is: the output shaft (14) of the direct current speed regulating motor (13) rotates to drive the magnetic steel (2) outside the magnetic coupling to rotate, the magnetic force generated by the magnetic steel (2) outside the magnetic coupling penetrates through the magnetic coupling shielding cover (4) in the rotating process to drive the magnetic steel (3) inside the magnetic coupling to rotate, thereby driving the screw shaft (6) to rotate, and the screw sections which are oppositely arranged at the front section and the rear section on the screw shaft (6) extrude the center of the water inlet tank which is entered from the inlet (9) to the outlet (10) to be discharged without fluctuation in the rotating process, and the flow and the pressure are stable to be output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044179.6A CN111156165B (en) | 2020-01-15 | 2020-01-15 | Small-flow single-shaft positive and negative spiral extrusion type magnetic drive pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044179.6A CN111156165B (en) | 2020-01-15 | 2020-01-15 | Small-flow single-shaft positive and negative spiral extrusion type magnetic drive pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111156165A CN111156165A (en) | 2020-05-15 |
| CN111156165B true CN111156165B (en) | 2024-06-21 |
Family
ID=70563158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010044179.6A Active CN111156165B (en) | 2020-01-15 | 2020-01-15 | Small-flow single-shaft positive and negative spiral extrusion type magnetic drive pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111156165B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211397876U (en) * | 2020-01-15 | 2020-09-01 | 常州市鑫士博机械有限公司 | Small-flow single-shaft forward and reverse screw extrusion type magnetic force driving pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148836Y (en) * | 1992-11-23 | 1993-12-08 | 温州市鹿城宏丰防腐泵厂 | Gear pump |
| CN105207528B (en) * | 2015-10-13 | 2017-12-05 | 江苏大学 | A kind of combined magnetic mechanical couple and its multi-state varying load Quimby pump of driving |
-
2020
- 2020-01-15 CN CN202010044179.6A patent/CN111156165B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211397876U (en) * | 2020-01-15 | 2020-09-01 | 常州市鑫士博机械有限公司 | Small-flow single-shaft forward and reverse screw extrusion type magnetic force driving pump |
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| Publication number | Publication date |
|---|---|
| CN111156165A (en) | 2020-05-15 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240528 Address after: No. 188 Yanzhuang Bridge, Xinnan Village Committee, Yaoguan Town, Changzhou Economic Development Zone, Jiangsu Province, 213000 Applicant after: Changzhou Jinlida Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: No. 91, Qiannan'an, Xinnan Village, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province, 213003 Applicant before: Changzhou xinshibo Machinery Co.,Ltd. Country or region before: China |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |