CN2685615Y - Self-suction non-plugging blowoff unit contruction pump - Google Patents
Self-suction non-plugging blowoff unit contruction pump Download PDFInfo
- Publication number
- CN2685615Y CN2685615Y CN 200420021067 CN200420021067U CN2685615Y CN 2685615 Y CN2685615 Y CN 2685615Y CN 200420021067 CN200420021067 CN 200420021067 CN 200420021067 U CN200420021067 U CN 200420021067U CN 2685615 Y CN2685615 Y CN 2685615Y
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- CN
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- Prior art keywords
- pump
- motor
- self
- cover plate
- impeller
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- Expired - Fee Related
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Abstract
The utility model relates to a straightly connected type self-suction non-plugging dredge pump which a pump body, a pump cover, a motor, and an impeller and a mechanical seal which are arranged in the pump body, wherein, an inner cover plate positioned on an output shaft of the motor is arranged in the pump cover; the inner face of the inner cover plate is provided with a helical groove; the impeller is arranged in the inner layer of the inner cover plate, and is directly connected to the output shaft of the motor through screws; the pump cover and the pump body are directly connected to an end cover of the motor through the screws. The dredge pump of the utility model adopts a motor straightly connected type structure, has the functions of self-suction and non-plugging, and adopts an axial reflux external mixing type. The mechanical seal adopts two single-face mechanical seals which are connected in series so as to have the function of double protection. The utility model does not need to install a bottom valve and pour water, which is the same as a self-suction clean water pump, sucks and discharges liquid with large granule solid and long fiber impurities, and is widely used in the fields of municipal pollution discharge, channel pan aquiculture, mining, etc.
Description
Technical field
The utility model relates to pump, particularly a kind of straight connection type self-priming no-blocking pollution discharging pump.
Background technique
Existing self-priming pollution discharge pump be motor output shaft with the pump housing between be connected with the bearing support by coupling, this kind pump structure complexity requires pump concentricity height, vibrations are big.In addition, the mechanical seal of this kind pump is one only, and the impurity in the sewage both caused damage to mechanical seal, makes that again sealing is unreliable.
Summary of the invention
Task of the present utility model provides a kind of improved straight connection type self-priming no-blocking pollution discharging pump, and it has solved existing self-priming pollution discharge pump complex structure, requires pump concentricity height, has shaken big, the insecure problem of mechanical seal.
The technical solution of the utility model is as follows:
A kind of straight connection type self-priming no-blocking pollution discharging pump, it comprises the pump housing, pump cover, motor, and impeller of settling in the pump housing and mechanical seal are equipped with the inner cover plate that is placed on the motor output shaft in the described pump cover, and the inner face of inner cover plate is provided with spiral chute; Described impeller is installed in the internal layer of inner cover plate, and impeller directly is connected on the motor output shaft by screw; Described pump cover, the pump housing directly are connected on the electric motor end cap by screw.
Pollution discharge pump of the present utility model adopts motor straight connection type structure, collection self-priming and nothing are jammed in one, and adopt axial backflow external mixture type, by unique design to impeller, both can as the self-priming clean waterpump, bottom valve and water need not be installed, but suction contains the liquid of large particle solid and long fibre impurity again, can be widely used in fields such as municipal blowdown, river embankment breed, mining.
The utility model is compared with common self-priming pollution discharge pump, has following advantage:
1. adopt motor straight connection type structure, compare with the structure of domestic similar suspension-type coupling, have simple in structure, reduce cost, increase advantage such as operational reliability, guaranteed that simultaneously pump is concentric fully, the vibrations of generation are little, noise is low.
2. adopt the impeller of rotary flow type structure, it is simple in structure, makes easily, operates steadily.Because impurity major part contained in the liquid is by impeller, and directly export from vaneless cavity, therefore can blockage phenomenon, its non-destructive is good, and is functional, can carry the large particle thing as potato and so on, and damage in impeller is also corresponding to be alleviated.
3. two single mechanical end face seal series connection are adopted in mechanical seal, have played double protection, have higher operational reliability.
4. moving parts is few, and major part has only the pump housing, pump cover, impeller and mechanical seal, has improved operating reliability.
5. simple in structure, volume is little, takes up an area of to lack, and is in light weight, beautiful shape, and cost of production is low.
6. the pump inner cover plate adopts helical groove structure, has prevented the damage of solid particle to mechanical seal effectively.
Description of drawings
Accompanying drawing is the structural representation of a kind of straight connection type self-priming no-blocking pollution discharging pump of the present utility model.
Embodiment
Referring to accompanying drawing, a kind of straight connection type self-priming no-blocking pollution discharging pump of the present utility model is equipped with the pump housing 1, pump cover 2 and motor 3, is mounted with impeller 4 and mechanical seal 5 in the pump housing 1.
Inner cover plate 6 is housed in pump cover 2, and inner cover plate 6 is placed on the motor output shaft 31.The inner face of inner cover plate 6 is provided with spiral chute 61.Impeller 4 is installed in the internal layer of inner cover plate 6, and impeller 4 directly is connected on the motor output shaft 31 by screw 7, and impeller 4 is by motor output shaft 31 driven rotary.
Pump cover 2, the pump housing 1 directly are connected on the electric motor end cap 32 by screw.The inner face of inner cover plate 6 is being equipped with the second road mechanical seal 11 with the joint of motor output shaft 31.
Be provided with liquid storage cylinder in the pump housing 1, the return port 12 by underlying communicates with the pump work chamber, constitutes the axial backflow external mixture type structure of pump thus.After pump quit work, the pump inner chamber had stored the liquid of a constant volume.When pump started, liquid storage was being carried air secretly and is upwards being dished out under the effect of impeller in the pump, and relied on the difference of liquids and gases proportion to carry out gas-liquid separation, and gas is gently then overflowed from outlet earlier, and liquid is heavy then to flow to active chamber again through return port, mixes with gas again.So circulate, gas is drained in suction pipe, and pump is just finished the self-priming process and carried out proper functioning.
Claims (2)
1. straight connection type self-priming no-blocking pollution discharging pump, it comprises the pump housing, pump cover, motor, and impeller of settling in the pump housing and mechanical seal is characterized in that, the inner cover plate that is placed on the motor output shaft is housed in the described pump cover, the inner face of inner cover plate is provided with spiral chute; Described impeller is installed in the internal layer of inner cover plate, and impeller directly is connected on the motor output shaft by screw; Described pump cover, the pump housing directly are connected on the electric motor end cap by screw.
2. straight connection type self-priming no-blocking pollution discharging pump according to claim 1 is characterized in that, the inner face of described inner cover plate is being equipped with the second road mechanical seal with the joint of motor output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420021067 CN2685615Y (en) | 2004-03-19 | 2004-03-19 | Self-suction non-plugging blowoff unit contruction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420021067 CN2685615Y (en) | 2004-03-19 | 2004-03-19 | Self-suction non-plugging blowoff unit contruction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2685615Y true CN2685615Y (en) | 2005-03-16 |
Family
ID=34669454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420021067 Expired - Fee Related CN2685615Y (en) | 2004-03-19 | 2004-03-19 | Self-suction non-plugging blowoff unit contruction pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2685615Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996458A (en) * | 2012-12-18 | 2013-03-27 | 新乡市万鑫泵业有限公司 | Feeding and catching device inside methane tank |
| CN103470528A (en) * | 2013-09-16 | 2013-12-25 | 江苏国泉泵业制造有限公司 | Explosive-proof mine pump with double mechanical seal structure |
| CN104454552A (en) * | 2014-11-14 | 2015-03-25 | 宁波李氏实业有限公司 | Coating pump |
| CN104500406A (en) * | 2014-11-14 | 2015-04-08 | 宁波李氏实业有限公司 | Coating pump |
-
2004
- 2004-03-19 CN CN 200420021067 patent/CN2685615Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996458A (en) * | 2012-12-18 | 2013-03-27 | 新乡市万鑫泵业有限公司 | Feeding and catching device inside methane tank |
| CN103470528A (en) * | 2013-09-16 | 2013-12-25 | 江苏国泉泵业制造有限公司 | Explosive-proof mine pump with double mechanical seal structure |
| CN104454552A (en) * | 2014-11-14 | 2015-03-25 | 宁波李氏实业有限公司 | Coating pump |
| CN104500406A (en) * | 2014-11-14 | 2015-04-08 | 宁波李氏实业有限公司 | Coating pump |
| CN104500406B (en) * | 2014-11-14 | 2016-07-06 | 宁波李氏实业有限公司 | A kind of paint pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |