CN2714857Y - Self-priming exhaust magnetic pump - Google Patents
Self-priming exhaust magnetic pump Download PDFInfo
- Publication number
- CN2714857Y CN2714857Y CN 200420084227 CN200420084227U CN2714857Y CN 2714857 Y CN2714857 Y CN 2714857Y CN 200420084227 CN200420084227 CN 200420084227 CN 200420084227 U CN200420084227 U CN 200420084227U CN 2714857 Y CN2714857 Y CN 2714857Y
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- China
- Prior art keywords
- pump
- chamber
- pump chamber
- magnetic
- outlet
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- Expired - Lifetime
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Abstract
The utility model relates to a self-priming exhaust magnetic pump, comprising a blade wheel, a magnetic driving device, a pump chamber and at least a common air chamber. The inlet of the pump chamber and the outlet of the pump chamber are arranged on the wall of the pump chamber, the inner magnetic driving shaft of the magnetic driving device passes through the back wall of the pump chamber, and the front part is positioned in the pump chamber. The blade wheel is installed on the inner magnetic driving shaft in the pump chamber, the inlet of the pump chamber is connected with the common air chamber, the common air chamber is provided with the outlet of the common air chamber, the shell of the common air chamber can be composed of a pump case and a back pump cover which are mutually oppositely connected, the middle lower part of the common air chamber can be provided with a cup shape inner cover body which is fastened and connected on the back pump cover, and a cavity between the inner cover body and the back pump cover is the pump chamber. After liquid conveyed by the magnetic pump enters the common air chamber from the pump chamber, the flow speed of the liquid is reduced, with bubble separated out, therefore the harm brought to production quality and production safety because of bubble existing in the liquid is avoided.
Description
Technical field
The utility model relates to a kind of self-priming gas-discharging type magnetic drive pump.
Background technique
Existing magnetic drive pump comprises pump case that is positioned at the front and the rear pump cover that is positioned at the back, described pump case and rear pump cover butt joint form the shell of pump chamber, it in the shell cavity that is called as pump chamber, shell antetheca central authorities are provided with the import of pump chamber, sidewall is provided with the outlet of pump chamber, this outlet is arranged on the top of sidewall usually, the axis hole that housing back wall central authorities are passed in the front portion of interior magnetic transmission shaft probes in the pump chamber, be provided with impeller in the pump chamber, this impeller is fixedly mounted on the interior interior magnetic transmission shaft of pump chamber, the major defect of this magnetic drive pump is that the liquid in the pump chamber is in the flow at high speed state all the time, can't eliminate the micro-bubble that wherein exists, after these micro-bubbles enter the industrial water facility, can influence and also be easy in the quality of product of producing, particularly chemical reaction cause danger.
The model utility content
The purpose of this utility model is the above-mentioned defective that overcomes prior art, and a kind of self-priming gas-discharging type magnetic drive pump is provided, and adopts this magnetic drive pump to help to eliminate the bubble that is transferred in the liquid.
The utility model realizes that the technological scheme of above-mentioned purpose is: a kind of self-priming gas-discharging type magnetic drive pump, comprise an impeller, a magnetic driving mechanism, a pump chamber and at least one collection chamber, described pump chamber wall is provided with pump chamber import and pump chamber outlet, the interior magnetic transmission shaft of described magnetic driving mechanism passes described pump chamber rear wall, its front portion is positioned at described pump chamber, described impeller is installed on the interior interior magnetic drives axle of described pump chamber, described pump chamber outlet connects described collection chamber, and described collection chamber is provided with the collection chamber outlet.
The beneficial effects of the utility model are: owing to increased collection chamber, flow velocity slowed down after the liquid of being discharged by pump chamber entered collection chamber, tiny bubble is wherein separated out from liquid, and can discharge through exhaust duct, eliminated the phenomenon that has bubble in the liquid thus effectively, avoided harm because of existing bubble to bring for quality of product and production safety in the liquid.
Description of drawings
Accompanying drawing is the structural representation of a kind of mode of execution of the utility model.
Embodiment
Referring to accompanying drawing, the self-priming gas-discharging type magnetic drive pump that the utility model provides comprises an impeller 18, magnetic driving mechanism, pump chamber 19 and at least one collection chamber 12, described pump chamber wall is provided with pump chamber import and pump chamber outlet 9, the interior magnetic transmission shaft 7 of described magnetic driving mechanism passes described pump chamber rear wall, its front portion is positioned at described pump chamber, described impeller 18 is installed on the interior interior magnetic drives axle of described pump chamber, described pump chamber outlet 9 connects described collection chamber 12, and described collection chamber 12 is provided with the collection chamber outlet.Be understandable that,, should guarantee effective drift diameter bigger in the collection chamber, the flow rate of liquid in the collection chamber is lowered according to the purpose of this utility model.
The import of described pump chamber 19 can be arranged on described pump chamber antetheca central authorities usually, and the outlet of described pump chamber can be arranged on the go in ring top of sidewall of described pump chamber usually.
In the embodiment shown in the figures, the quantity of described collection chamber 12 is one, its shell is made of the pump case 16 and the rear pump cover 10 of mutual butt joint, the middle and lower part of described collection chamber 12 is provided with a cup-shaped interior cover body 14 that snaps onto on the described rear pump cover 10, and the cavity between described interior cover body 14 and the rear pump cover 10 is exactly described pump chamber 19.The setting of this collection chamber can be simplified the overall structure of magnetic drive pump, is convenient to make and use, and has guaranteed the low flow velocity of gas collection indoor liquid, is beneficial to separating out of bubble in the liquid.
The antetheca central authorities of cover body 14 can be convexly equipped with the body 17 of a connection pump chamber in described, correspondingly described pump case antetheca is provided with a through hole, described body 17 is identical with the axis of described pump case antetheca through hole, its front end connects described pump case antetheca, its pore and described pump case antetheca through hole are connected as a single entity, the pore of this body 17 is exactly the import of described pump chamber 19, and the outlet 9 of described pump chamber is located at the top of the belt sidewall of described pump chamber, and the pump chamber outlet outside is described collection chamber 12.
The described pump case antetheca outside can be provided with a right-angle elbow pipe 13, vertical section 13.2 lower ends of this bend pipe are provided with level outlet linkage section backward, and be connected the through hole of described pump case antetheca, the outlet of the outlet linkage section of described bend pipe vertical section 13.2 is joined with the through hole on the described pump house wall, the horizontal segment 13.1 of described bend pipe vertical section upper end bridge piece, this horizontal segment extends forward, its front end is provided with flange, its front end inlet height is higher than described pump chamber outlet 9 height, constitute the inlet opening of whole magnetic drive pump, the setting of this bend pipe is not only for the connection of magnetic drive pump with input pipeline, and guarantees that magnetic drive pump just has required suction capacity behind first filling liquid.
Described collection chamber 12 outlets can be arranged on the top of the belt sidewall of described pump case, be convexly equipped with a upwardly extending connecting tube 11 on the pump case sidewall in this outlet port, these connecting tube 11 tops are provided with flange, and the outlet of connecting tube 11 is exactly the delivery outlet of whole magnetic drive pump, is used to connect output pipeline.
The belt sidewall bottom of described pump chamber 19 can be provided with at least one little return port 20, this return port 20 can reduce the axial stress of impeller 18 effectively, when interior magnetic transmission shaft bearing 7 adopts the stronger ceramic bearing of anti-axial stress ability, magnetic transmission shaft bearing in the impeller rear is provided with only, remove the interior magnetic transmission shaft friction support that is arranged on impeller the place ahead under the prior art, avoid these friction support that the obstruction and the minimizing of flow of fluid are produced bubble thus.
Described impeller 18 is with adopting the cotter way mode to connect between the magnetic transmission shaft 7 in described, and described interior magnetic transmission shaft top can be connected with the clamping bolt 15 that impeller 18 central authorities are pushed down, and can realize the fixing of impeller thus better.
The bearing support 22 of magnetic transmission shaft 8 in can being provided with on the described rear pump cover 10, this bearing support 22 from the main body of rear pump cover 10 to rearward projection, the embedded clutch shaft bearing 8 that is used to support described interior magnetic transmission shaft 7, the front-end face of this bearing 8 can be provided with the bearing seal pad, to prevent that liquid from flowing out from the bearing place, enters the device of back.Be understandable that, in the embodiment shown in the figures, even liquid flows out the proper functioning that also can not hinder magnetic drive pump from described clutch shaft bearing place.
Magnetic transmission shaft 7 outsides can be covered with cup-shaped back sealing cover 3 in described, described back sealing cover 3 front ends can be socketed on the bearing support of interior magnetic transmission shaft clutch shaft bearing 22 of described rear pump cover 10, the inboard central authorities of its rear wall be embedded be used to support described in second bearing 2 of magnetic transmission shaft.
The clutch shaft bearing 8 and second bearing 2 of magnetic transmission shaft all can adopt ceramic bearing in described, to improve the performances such as anti-axial stress ability, anti-dry friction ability and working life of bearing.
Magnetic transmission shaft 7 generally includes alloy steel rod and the permanent magnet internal magnetic ring 4 that is enclosed within on the alloy steel rod in described, its outer surface is outer can be provided with injection moulding engineering plastics encapsulated layer body 7.1, magnetic transmission shaft 7 formed a fixing integral body in so both can having made, with easy to install and use, can form effective anticorrosive coat again, be adapted to corrosive liquids, each member of all the other of magnetic drive pump and part also all can be provided with encapsulated layer, to improve whole antiseptic property, described each encapsulated layer can adopt engineering plastics injection molded usually, also can adopt other to have the macromolecular material that adapts to antiseptic property and intensity, inorganic material or other materials.
The outer magnet rotor 5 of described magnetic driving mechanism can be cup-shaped, covers on sealing cover 3 outsides, described back, and its rear end can be provided with rotor shaft 1, and this rotor shaft 1 connects drive motor rotating shaft 25.Described rotor shaft 1 can be cannula-like, is enclosed within on the described machine shaft 25, and fixes by modes such as locating stud or interference fit.When drive motor 24 rotates, drive outer magnet rotor 5 and rotate, outer magnetic ring 6 on the described outer magnet rotor 5 and the internal magnetic ring on the interior magnetic transmission shaft 74 interact, and magnetic transmission shaft 7 rotates in driving, and then impeller 18 is rotated.
Described back sealing cover 3 and outer magnet rotor 5 can be positioned at the shell 23 of described magnetic driving mechanism usually, described magnetic driving mechanism shell 23 1 ends connect described rear pump cover 10, the other end connects the casing of described magnetic drive pump drive motor 24, and the bottom is provided with magnetic drive pump base 21.
Claims (10)
1. self-priming gas-discharging type magnetic drive pump, comprise an impeller, a magnetic driving mechanism and a pump chamber, described pump chamber wall is provided with pump chamber import and pump chamber outlet, the interior magnetic transmission shaft of described magnetic driving mechanism passes described pump chamber rear wall, its front portion is positioned at described pump chamber, and described impeller is installed on the interior interior magnetic drives axle of described pump chamber, it is characterized in that also being provided with at least one collection chamber, described pump chamber outlet connects described collection chamber, and described collection chamber is provided with the collection chamber outlet.
2. self-priming gas-discharging type magnetic drive pump as claimed in claim 1 is characterized in that described pump chamber import is arranged on described pump chamber antetheca central authorities, and described pump chamber outlet is arranged on the go in ring top of sidewall of described pump chamber.
3. self-priming gas-discharging type magnetic drive pump as claimed in claim 2, the quantity that it is characterized in that described collection chamber is one, its shell is made of the pump case and the rear pump cover of mutual butt joint, the middle and lower part of described collection chamber is provided with a cup-shaped interior cover body that snaps onto on the described rear pump cover, and the cavity between described interior cover body and the rear pump cover is exactly described pump chamber.
4. self-priming gas-discharging type magnetic drive pump as claimed in claim 3, it is characterized in that the antetheca central authorities of described interior cover body are convexly equipped with the body of a connection pump chamber, described pump case antetheca is provided with a through hole, described body is identical with the axis of described pump case antetheca through hole, its front end connects described pump case antetheca, its pore and described pump case antetheca through hole are connected as a single entity, the pore of this body is exactly the import of described pump chamber, the outlet of described pump chamber is located at the top of the belt sidewall of described pump chamber, and the pump chamber outlet outside is described collection chamber.
5. self-priming gas-discharging type magnetic drive pump as claimed in claim 4, it is characterized in that the described pump case antetheca outside is provided with a right-angle elbow pipe, the vertical section lower end of this bend pipe is provided with level outlet linkage section backward, and be connected the through hole of described pump case antetheca, the outlet of described bend pipe vertical section outlet linkage section is joined with the through hole on the described pump house wall, the horizontal segment of described bend pipe vertical section upper end bridge piece, this horizontal segment extends forward, its front end is provided with flange, its front end inlet height is higher than described pump chamber and goes out open height, constitute the inlet opening of whole magnetic drive pump, described collection chamber outlet is arranged on the top of the belt sidewall of described pump case, be convexly equipped with a upwardly extending connecting tube on the pump case sidewall in this outlet port, this connecting tube top is provided with flange, and the outlet of connecting tube is exactly the delivery outlet of whole magnetic drive pump.
6. self-priming gas-discharging type magnetic drive pump as claimed in claim 5 is characterized in that the belt sidewall bottom of described pump chamber is provided with at least one little return port.
7. self-priming gas-discharging type magnetic drive pump as claimed in claim 6 is characterized in that described impeller adopts the cotter way mode to connect with magnetic transmission shaft in described, and described interior magnetic transmission shaft top is connected with the clamping bolt that impeller central authorities are pushed down.
8. self-priming gas-discharging type magnetic drive pump as claimed in claim 7, it is characterized in that described rear pump cover is provided with the bearing support of interior magnetic transmission shaft, this bearing support from the main body of rear pump cover to rearward projection, the embedded clutch shaft bearing that is used to support described interior magnetic transmission shaft, front-end face of magnetic transmission shaft clutch shaft bearing is provided with the bearing seal pad in this.
9. self-priming gas-discharging type magnetic drive pump as claimed in claim 8, it is characterized in that the described interior magnetic transmission shaft outside is covered with cup-shaped back sealing cover, described back sealing cover front end sleeve is connected on the interior magnetic transmission shafts bearing of rear pump cover, the inboard central authorities of its rear wall are embedded with second bearing that is used to support described interior magnetic transmission shaft, the magnetic transmission shaft comprises alloy steel rod and the permanent magnet internal magnetic ring that is enclosed within on the alloy steel rod in described, and its outer surface is injection moulding engineering plastics encapsulated layer body outward.
10. self-priming gas-discharging type magnetic drive pump as claimed in claim 9, the cup-shaped outer magnet rotor that it is characterized in that described magnetic driving mechanism covers on sealing cover outside, described back, its rear end is provided with rotor shaft, this rotor shaft connects the drive motor rotating shaft, described back sealing cover and outer magnet rotor are positioned at the shell of described magnetic driving mechanism, described magnetic driving mechanism shell one end connects described rear pump cover, and the other end connects described magnetic drive pump drive motor casing, and the bottom is provided with the magnetic drive pump base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084227 CN2714857Y (en) | 2004-07-23 | 2004-07-23 | Self-priming exhaust magnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084227 CN2714857Y (en) | 2004-07-23 | 2004-07-23 | Self-priming exhaust magnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2714857Y true CN2714857Y (en) | 2005-08-03 |
Family
ID=34874826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420084227 Expired - Lifetime CN2714857Y (en) | 2004-07-23 | 2004-07-23 | Self-priming exhaust magnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2714857Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956715A (en) * | 2009-07-17 | 2011-01-26 | Hmd磁力泵有限公司 | The non-intrusion type steam detector that is used for magnetic drive pump |
| WO2020140322A1 (en) * | 2019-01-02 | 2020-07-09 | 东莞市创升机械设备有限公司 | Magnetic pump with protective cover |
| CN115263755A (en) * | 2022-05-20 | 2022-11-01 | 浙江大学 | Air extractor |
-
2004
- 2004-07-23 CN CN 200420084227 patent/CN2714857Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956715A (en) * | 2009-07-17 | 2011-01-26 | Hmd磁力泵有限公司 | The non-intrusion type steam detector that is used for magnetic drive pump |
| CN101956715B (en) * | 2009-07-17 | 2013-03-13 | Hmd磁力泵有限公司 | Non-intrusive vapor detector for magnetic device pump |
| WO2020140322A1 (en) * | 2019-01-02 | 2020-07-09 | 东莞市创升机械设备有限公司 | Magnetic pump with protective cover |
| CN115263755A (en) * | 2022-05-20 | 2022-11-01 | 浙江大学 | Air extractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140723 Granted publication date: 20050803 |