CN202707511U - Direct current drainage pump - Google Patents
Direct current drainage pump Download PDFInfo
- Publication number
- CN202707511U CN202707511U CN 201220304998 CN201220304998U CN202707511U CN 202707511 U CN202707511 U CN 202707511U CN 201220304998 CN201220304998 CN 201220304998 CN 201220304998 U CN201220304998 U CN 201220304998U CN 202707511 U CN202707511 U CN 202707511U
- Authority
- CN
- China
- Prior art keywords
- motor
- motor casing
- drainage pump
- wall
- impeller
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a direct current drainage pump which comprises a rear cover, a motor casing, a stator assembly, a magnetic ring, a motor shaft, a pump casing and an impeller. The motor casing comprises a motor casing body and an isolation wall. The isolation all is fixedly connected with the inner side wall of the motor casing body, an isolation wall cover is covered on the surface of the stator assembly, the direct current drainage pump further comprises a motor driving circuit board arranged in the motor casing and welded to the start assembly. The stator assembly is fixedly connected with the motor driving circuit board, and the stator assembly is fixed on the isolation wall of the motor casing. The magnetic ring is cylindrical, and the cylindrical outer wall is assembled to the outer layer of the isolation wall of the motor casing. The magnetic ring is connected with a motor shaft to form a whole through mould injection, and the impeller is riveted on the motor shaft. The direct current drainage pump is good in seal effect, simple in structure and low in cost, prolongs service life, and improves working efficiency.
Description
Technical field
The utility model relates to a kind of draining pump, particularly a kind of direct drainage pump.
Background technique
At present, existing direct drainage pump adopts is that the shaft extension end of motor directly connects blade or is with moving vane by magnetic shaft coupling, the former motive sealing of axle was easily lost efficacy, be difficult to accomplish effective sealing, the life-span of pump is shorter, although the latter has solved sealing problem by magnetic shaft coupling, because by the magnetic shaft coupling transmission, efficient will reduce, and coupling is so that the cost of production of product rises, the production assembling difficulty is large simultaneously.
Summary of the invention
The purpose of this utility model is in order to overcome the above-mentioned deficiency of existing direct drainage pump, and a kind of reasonable in design, fully sealing, direct drainage pump simple in structure are provided.
The utility model is a kind of direct drainage pump, comprising: bonnet 1, motor casing 4, stator module 5, magnet ring 6, motor shaft 7, pump case 10 and impeller 13; Described motor casing 4 comprises motor casing body 14 and partitioning wall 15, and partitioning wall 15 is fixedly connected with the madial wall of motor casing body 14; Described partitioning wall 15 covers in described stator module 5 surfaces; Described draining pump also comprises motor driving circuit board 3, and motor driving circuit board 3 is arranged in the described motor casing 4, is fixedly connected with stator module 5; Stator module 5 is fixed on the partitioning wall 15 of described motor casing 4; Described magnet ring 6 is that cylinder is barrel-shaped, and its cylindrical outer wall is assembled to partitioning wall 15 skins; Described impeller 13 is positioned at motor shaft 7 ends, and magnet ring 6 is fixedly connected with motor shaft 7, and pump case 10 and motor casing 4 are by 11 airtight connections of seal ring.
Also comprise back-up ring 9, back-up ring 9 is set on the motor shaft 7, and the two ends of next-door neighbour's impeller 13.
Also be fixed with contact pin 16 on the described bonnet 1.
Stator module of the present utility model and magnet ring are placed in the motor casing, are kept apart fully by partitioning wall, and stator module produces magnetic field, and rotor is sensed the magnetic field back wall and rotated around motor shaft, the draining pump normal operation; Good sealing effect, and simple in structure, and cost is low, has prolonged the working life of electric-motor pump, has improved the working efficiency of draining pump.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and the below is described in further detail the utility model, wherein according to specific embodiment also by reference to the accompanying drawings
Fig. 1 is the outline drawing of the utility model draining pump.
Fig. 2 is the sectional view of Fig. 1.
Attached number in the figure is:
Bonnet 1, set screw 2, motor driving circuit board 3, motor casing 4, stator module 5, magnet ring 6, motor shaft 7, back-up ring 9, pump case 10, seal ring 11, fastening screw trip bolt 12, impeller 13, motor casing body 14, partitioning wall 15.
Embodiment
Embodiment 1:
See Fig. 2, a kind of direct drainage pump, comprise bonnet 1, circuit board set screw 2, motor driving circuit board 3, motor casing 4, stator module 5, magnet ring 6, motor shaft 7, back-up ring 9, pump case 10, seal ring 11, fastening screw trip bolt 12 and impeller 13, motor casing body 14, partitioning wall 15.
The direct drainage pump comprises bonnet 1, motor casing 4, stator module 5, magnet ring 6, motor shaft 7, pump case 10 and impeller 13; Described motor casing 4 comprises motor casing body 14 and partitioning wall 15, and partitioning wall 15 is fixedly connected with the madial wall of motor casing body 14; Described partitioning wall 15 covers in described stator module 5 surfaces; Draining pump also comprises motor driving circuit board 3, and motor driving circuit board 3 is arranged in the described motor casing 4, and the mode that adopts soldering is connected motor driving circuit board 3 with leg on the stator module 5.Stator module 5 is fixed on the partitioning wall 15 of described motor casing 4 by set screw; Described magnet ring 6 is that cylinder is barrel-shaped, and its cylindrical outer wall is assembled to partitioning wall 15 skins; Described impeller 13 is positioned at motor shaft 7 ends, and riveting is on motor shaft 7; Magnet ring 6 is as a whole with motor shaft 7 injection mouldings, and pump case 10 and motor casing 4 be by 11 airtight connections of seal ring, is connected by fastening screw trip bolt 12 between the motor casing body 13 of pump case 10 and motor casing 4.
Back-up ring 9 is set on the described motor shaft 7, and the both sides of next-door neighbour's impeller 13; Fixing plug pin 16 on the bonnet 1, and contact pin 16 is used for described motor driving circuit board 3 and is connected with the electric wiring of draining pump outside.Contact pin 16 is as a whole as piece moulding inlaying and 1 injection moulding of described bonnet.
Behind the logical direct current of draining pump, with stator module 5 energisings, stator module 5 produces rotating magnetic field through motor driving circuit board 3 modulation, and magnet ring 6 induction fields, and impeller 13 rotations are discharged water.
Should be appreciated that specific embodiment described above only is used for explaining the utility model, and be not used in restriction the utility model.The apparent variation of being extended out by spirit of the present utility model or change still are among the protection domain of the present utility model.
Claims (3)
1. a direct drainage pump comprises: bonnet (1), motor casing (4), stator module (5), magnet ring (6), motor shaft (7), pump case (10) and impeller (13); It is characterized in that: described motor casing (4) comprises motor casing body (14) and partitioning wall (15), and partitioning wall (15) is fixedly connected with the madial wall of motor casing body (14); Described partitioning wall (15) covers in described stator module (5) surface; Described draining pump also comprises motor driving circuit board (3), and motor driving circuit board (3) is arranged in the described motor casing (4), is fixedly connected with stator module (5); Stator module (5) is fixed on the partitioning wall (15) of described motor casing (4); Described magnet ring (6) is that cylinder is barrel-shaped, and its cylindrical outer wall is assembled to partitioning wall (15) skin; Described impeller (13) is positioned at motor shaft (7) end, and magnet ring (6) is fixedly connected with motor shaft (7), and pump case (10) and motor casing (4) are by airtight connection of seal ring (11).
2. direct drainage pump according to claim 1, it is characterized in that: also comprise back-up ring (9), back-up ring (9) is set on the motor shaft (7), and the two ends of next-door neighbour's impeller (13).
3. direct drainage pump according to claim 1 is characterized in that: also be fixed with contact pin (16) on the described bonnet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304998 CN202707511U (en) | 2012-06-28 | 2012-06-28 | Direct current drainage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304998 CN202707511U (en) | 2012-06-28 | 2012-06-28 | Direct current drainage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707511U true CN202707511U (en) | 2013-01-30 |
Family
ID=47587818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304998 Expired - Fee Related CN202707511U (en) | 2012-06-28 | 2012-06-28 | Direct current drainage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094341A (en) * | 2018-01-28 | 2019-08-06 | 吴军 | A kind of process pump pump port structure connection method |
| CN112343860A (en) * | 2019-08-08 | 2021-02-09 | 美蓓亚三美株式会社 | Centrifugal fan |
-
2012
- 2012-06-28 CN CN 201220304998 patent/CN202707511U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094341A (en) * | 2018-01-28 | 2019-08-06 | 吴军 | A kind of process pump pump port structure connection method |
| CN112343860A (en) * | 2019-08-08 | 2021-02-09 | 美蓓亚三美株式会社 | Centrifugal fan |
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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: 20130130 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |