CN207715385U - Negative pressure magnetic drive pump - Google Patents
Negative pressure magnetic drive pump Download PDFInfo
- Publication number
- CN207715385U CN207715385U CN201721880789.XU CN201721880789U CN207715385U CN 207715385 U CN207715385 U CN 207715385U CN 201721880789 U CN201721880789 U CN 201721880789U CN 207715385 U CN207715385 U CN 207715385U
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- CN
- China
- Prior art keywords
- interior
- impeller
- pump
- pumping axis
- holder
- 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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Abstract
The utility model discloses negative pressure magnetic drive pumps, it is related to equipment for liquid transportation technical field, it includes the pump housing, inlet tube mounting flange, fixing nut, impeller, pump cover, separation sleeve, interior magnet steel, outer steel, retaining ring, sliding bearing, interior magnetic pumping axis, motor, and cap, pedestal, holder, return duct, outlet tube mounting flange, it is provided with motor above pedestal, it is provided with holder in front of motor, holder front end is provided with the pump housing, internal stent is provided with interior magnetic pumping axis, it is provided with sliding bearing on interior magnetic pumping axis, it is provided with interior magnet steel on interior magnetic pumping axis, internal stent is provided with outer steel, it is provided with separation sleeve outside interior magnet steel, separation sleeve side is provided with and cap, interior magnetic pumping axis front end is provided with impeller, impeller lateral surface is provided with fixing nut, it is provided with retaining ring on the inside of impeller.It can be rotated by magnetic force impeller, and operating noise is small, and can automatically adjust the pressure of pump body, prevent water pump from damaging, service life is long.
Description
Technical field
The utility model is related to be related to negative pressure magnetic drive pump, belong to equipment for liquid transportation technical field.
Background technology
Water pump is to convey water or a kind of tool of other liquid, can be by water or other liquid by the high speed rotation of impeller
It is transported to high level.Existing water pump noise is larger, and water pump is easy when outlet tube circulation is less than inlet tube circulation
Damage, it is therefore desirable to invention negative pressure magnetic drive pump, the size of hydraulic pressure in ballast pump body, and noise when work is reduced, improve water pump
Service life.
Utility model content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide negative pressure magnetic drive pumps.
The negative pressure magnetic drive pump of the utility model, it include the pump housing, inlet tube mounting flange, fixing nut, impeller, pump cover,
Separation sleeve, interior magnet steel, outer steel, retaining ring, sliding bearing, interior magnetic pumping axis, motor and cap, holder, return duct, go out pedestal
Liquid pipe mounting flange, pedestal top are provided with motor, holder are provided in front of motor, and holder front end is provided with the pump housing, branch
Frame is internally provided with interior magnetic pumping axis, and sliding bearing is provided on interior magnetic pumping axis, interior magnet steel, internal stent are provided on interior magnetic pumping axis
It is provided with outer steel, separation sleeve is provided with outside interior magnet steel, separation sleeve side is provided with and cap, and interior magnetic pumping axis front end is provided with leaf
Wheel, impeller lateral surface are provided with fixing nut, are provided with retaining ring on the inside of impeller, inlet tube is provided at the inlet opening of pump housing side
Mounting flange, pump housing top are provided with pump cover, outlet tube mounting flange are provided at pump cover fluid hole, pump cover side is provided with back
Flow tube.
Preferably, the motor is fixed by screws on pedestal, holder is fixed by screws on motor,
The pump housing is fixed by screws on holder, and pump housing bottom is fixed by screws on pedestal, and setting in this way can facilitate fixation, protect
Vibration by a relatively large margin will not occur when demonstrate,proving water pump operation.
Preferably, the outer steel is fixed on by axis pin on the power output shaft of motor, interior magnet steel is nested in
On interior magnetic pumping axis, outer steel is loop configuration, and inside interior magnet steel insertion outer steel, setting in this way can drive interior magnetic by magnetic force
Pump shaft rotates, and reduces noise when operation and generates.
Preferably, the sliding bearing tight fit is mounted on interior magnetic pumping axis, separation sleeve is nested in outside sliding bearing
Portion, separation sleeve are that U-shaped circle covers, and interior magnet steel is wrapped in inside separation sleeve, and setting in this way can carry out to avoid water into internal magnet steel
Corrosion, prolongs the service life.
Preferably, the impeller is fixed on by keyway on interior magnetic pumping axis, retaining ring is nested on interior magnetic pumping axis, only
It is between impeller and sliding bearing to move back ring, and fixing nut is threadedly secured to outside impeller, and setting can anti-on-slip in this way
Axial float occurs for dynamic bearing and impeller.
Preferably, the impeller shape is identical as pump housing inner-cavity structure, distance of the impeller apart from pump housing inner wall is
3mm-5mm, in this way setting can improve the working efficiency of impeller.
Preferably, the pump cover is fixed by screws in pump housing top, outlet tube mounting flange and return duct and pump
Lid injection molding is integrated, and setting in this way can ensure that the pump housing will be reduced in liquid reflux to outlet tube when outlet end flow velocity is too small
Internal pressure, prevents water pump from damaging.
The beneficial effects of the utility model：It is rotated by magnetic force impeller, operating noise is small, and can automatically adjust
The pressure of pump body, prevents water pump from damaging, and service life is long.
Description of the drawings
The utility model is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the blade wheel structure schematic diagram of the utility model；
Fig. 3 is the separation sleeve sectional view of the utility model.
The 1- pump housings；2- inlet tube mounting flanges；3- fixing nuts；4- impellers；5- pump covers；6- separation sleeves；Magnet steel in 7-；
8- outer steels；9- retaining rings；10- sliding bearings；Magnetic pumping axis in 11-；12- motor；13- and cap；14- pedestals；15- holders；
16- return ducts；17- outlet tube mounting flanges.
Specific implementation mode
As shown in Figure 1, Figure 2 and Figure 3, present embodiment uses following technical scheme：It includes the pump housing 1, inlet tube
It is mounting flange 2, fixing nut 3, impeller 4, pump cover 5, separation sleeve 6, interior magnet steel 7, outer steel 8, retaining ring 9, sliding bearing 10, interior
Magnetic pumping axis 11, motor 12 and cap 13, pedestal 14, holder 15, return duct 16, outlet tube mounting flange 17,14 top of pedestal are set
It is equipped with motor 12,12 front of motor is provided with holder 15, and 15 front end of holder is provided with the pump housing 1, and holder 15 is internally provided with
Interior magnetic pumping axis 11 is provided with sliding bearing 10 on interior magnetic pumping axis 11, is provided with interior magnet steel 7 on interior magnetic pumping axis 11, inside holder 15
It is provided with outer steel 8, separation sleeve 6 is provided with outside interior magnet steel 7,6 side of separation sleeve is provided with and cap 13, interior 11 front end of magnetic pumping axis
It is provided with impeller 4,4 lateral surface of impeller is provided with fixing nut 3, and 4 inside of impeller is provided with retaining ring 9,1 side inlet opening of the pump housing
Place is provided with inlet tube mounting flange 2, and 1 top of the pump housing is provided with pump cover 5, outlet tube Method for Installation is provided at 5 fluid hole of pump cover
Orchid 17,5 side of pump cover is provided with return duct 16.
Wherein, the motor 12 is fixed by screws on pedestal 14, and holder 15 is fixed by screws in motor
On 12, the pump housing 1 is fixed by screws on holder 15, and 1 bottom of the pump housing is fixed by screws on pedestal 14, and setting can be in this way
Facilitate fixation, ensures that vibration by a relatively large margin will not occur when water pump operation；The outer steel 8 is fixed on electronic by axis pin
On the power output shaft of machine 12, interior magnet steel 7 is nested on interior magnetic pumping axis 11, and outer steel 8 is loop configuration, and interior magnet steel 7 is embedded in outer
Inside magnet steel 8, setting in this way can drive interior magnetic pumping axis 11 to rotate by magnetic force, reduce noise when operation and generate；Described
10 tight fit of sliding bearing is mounted on interior magnetic pumping axis 11, and separation sleeve 6 is nested in outside sliding bearing 10, and separation sleeve 6 is U-shaped
Circle set, interior magnet steel 7 are wrapped in inside separation sleeve 6, and setting in this way can be corroded to avoid water into internal magnet steel 7, and extension makes
Use the service life；The impeller 4 is fixed on by keyway on interior magnetic pumping axis 11, and retaining ring 9 is nested on interior magnetic pumping axis 11, retaining ring
9 is between impeller 4 and sliding bearing 10, fixing nut 3 are threadedly secured to outside impeller 4, and setting in this way can prevent
Axial float occurs for sliding bearing 10 and impeller 4；4 shape of impeller is identical as 1 inner-cavity structure of the pump housing, and impeller 4 is apart from pump
The distance of 1 inner wall of body is 3mm-5mm, and setting in this way can improve the working efficiency of impeller 4；The pump cover 5 is solid by screw
It is scheduled on 1 top of the pump housing, outlet tube mounting flange 17 and return duct 16 are integrated with 5 injection molding of pump cover, and setting in this way can be protected
Card outlet end flow velocity will reduce the pressure inside the pump housing 1 when too small in liquid reflux to outlet tube, prevent water pump from damaging.
The working principle of this specific embodiment:：The rotation of motor 12 drives outer steel 8 to rotate after startup power supply, outer steel
8, which rotate magnet steel 7 in drive, rotates, and interior magnet steel 7 drives interior magnetic pumping axis 11 to rotate, and 11 impeller 4 of interior magnetic pumping axis is rotated liquid
It is transported to outlet end from liquid feeding end, when outlet end flow becomes smaller or closes, the pressure inside the pump housing 1 becomes larger, on return duct 16
Solenoid valve open so that liquid come back in fluid reservoir by return duct 16.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. negative pressure magnetic drive pump, it is characterised in that：It includes the pump housing (1), inlet tube mounting flange (2), fixing nut (3), impeller
(4), pump cover (5), separation sleeve (6), interior magnet steel (7), outer steel (8), retaining ring (9), sliding bearing (10), interior magnetic pumping axis
(11), motor (12) and cap (13), pedestal (14), holder (15), return duct (16), outlet tube mounting flange (17), pedestal
(14) top is provided with motor (12), is provided with holder (15) in front of motor (12), holder (15) front end is provided with the pump housing
(1), holder (15) is internally provided with interior magnetic pumping axis (11), and sliding bearing (10), interior magnetic pumping axis are provided on interior magnetic pumping axis (11)
(11) interior magnet steel (7) is provided on, holder (15) is internally provided with outer steel (8), separation sleeve is provided with outside interior magnet steel (7)
(6), separation sleeve (6) side is provided with and cap (13), interior magnetic pumping axis (11) front end are provided with impeller (4), and impeller (4) lateral surface is set
It is equipped with fixing nut (3), retaining ring (9) is provided on the inside of impeller (4), inlet tube peace is provided at the inlet opening of the pump housing (1) side
Flange (2) is filled, pump cover (5) is provided with above the pump housing (1), outlet tube mounting flange (17) is provided at pump cover (5) fluid hole, is pumped
Lid (5) side is provided with return duct (16).
2. negative pressure magnetic drive pump according to claim 1, it is characterised in that：The motor (12) is fixed by screws in
On pedestal (14), holder (15) is fixed by screws on motor (12), and the pump housing (1) is fixed by screws in holder (15)
On, the pump housing (1) bottom is fixed by screws on pedestal (14).
3. negative pressure magnetic drive pump according to claim 1, it is characterised in that：The outer steel (8) is fixed on by axis pin
On the power output shaft of motor (12), interior magnet steel (7) is nested on interior magnetic pumping axis (11), and outer steel (8) is loop configuration, interior
The embedded outer steel (8) of magnet steel (7) is internal.
4. negative pressure magnetic drive pump according to claim 1, it is characterised in that：Described sliding bearing (10) tight fit is mounted on
On interior magnetic pumping axis (11), separation sleeve (6) is nested in sliding bearing (10) outside, and separation sleeve (6) is that U-shaped circle covers, interior magnet steel (7) packet
It is internal to be rolled in separation sleeve (6).
5. negative pressure magnetic drive pump according to claim 1, it is characterised in that：The impeller (4) is fixed on interior by keyway
On magnetic pumping axis (11), retaining ring (9) is nested on interior magnetic pumping axis (11), and retaining ring (9) is and impeller (4) and sliding bearing (10)
Between, it is external that fixing nut (3) is threadedly secured to impeller (4).
6. negative pressure magnetic drive pump according to claim 1, it is characterised in that：Impeller (4) shape and the pump housing (1) inner cavity
Structure is identical, and distance of the impeller (4) apart from the pump housing (1) inner wall is 3mm-5mm.
7. negative pressure magnetic drive pump according to claim 1, it is characterised in that：The pump cover (5) is fixed by screws in pump
Above body (1), outlet tube mounting flange (17) and return duct (16) are integrated with pump cover (5) injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880789.XU CN207715385U (en) | 2017-12-28 | 2017-12-28 | Negative pressure magnetic drive pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721880789.XU CN207715385U (en) | 2017-12-28 | 2017-12-28 | Negative pressure magnetic drive pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715385U true CN207715385U (en) | 2018-08-10 |
Family
ID=63051196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721880789.XU Expired - Fee Related CN207715385U (en) | 2017-12-28 | 2017-12-28 | Negative pressure magnetic drive pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715385U (en) |
-
2017
- 2017-12-28 CN CN201721880789.XU patent/CN207715385U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |