CN204200604U - A kind of oil immersion type electric underwater pump - Google Patents
A kind of oil immersion type electric underwater pump Download PDFInfo
- Publication number
- CN204200604U CN204200604U CN201420584688.8U CN201420584688U CN204200604U CN 204200604 U CN204200604 U CN 204200604U CN 201420584688 U CN201420584688 U CN 201420584688U CN 204200604 U CN204200604 U CN 204200604U
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- China
- Prior art keywords
- joint
- pump housing
- motor
- shaft
- mechanical seal
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- Expired - Fee Related
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Abstract
The utility model relates to Submerged Motor Pumps field, be specially a kind of oil immersion type electric underwater pump, comprise the pump housing, joint and motor, the pump housing is connected with motor by joint, motor is connected with output shaft, the main shaft be connected with output shaft is provided with in the described pump housing, main shaft is through joint, the first separation sleeve for isolating motor and joint and the second separation sleeve is provided with in joint, main shaft comprises major diameter axle and small diameter shaft, one end of major diameter axle is connected with one end of small diameter shaft, small diameter shaft is provided with impeller successively, for isolating the anti-sand sleeve of joint and the pump housing, dewatering device and location steel bushing, the outer wall of location steel bushing is arranged with the first mechanical seal, first mechanical seal comprises rotating ring and stationary ring, stationary ring is fixedly connected with the first separation sleeve, major diameter axle is provided with the second mechanical seal, stator is provided with in the described pump housing.The utility model structure is simple, practical.
Description
Technical field
The utility model relates to Submerged Motor Pumps field, is specially a kind of oil immersion type electric underwater pump.
Background technique
Oil immersion type electric underwater pump often pulls the plug work, therefore, often bring a lot of silt in the pump housing, therefore need anti-sand sleeve to isolate the pump housing, but anti-sand sleeve contacts with water always, under the immersion of water, anti-sand sleeve fluffs, and anti-sand sleeve is easy to slide in the axis of main shaft, causes anti-sand sleeve to lose and prevents silt from entering the function of motor internal or mechanical seal inside, once silt enters motor or mechanical seal, thus motor or mechanical seal is made to cause wearing and tearing until damage.
Traditional mechanical seal is in running, and the sealing effect of mechanical seal is poor, and then makes water can infiltrate motor internal easily, causes motor to damage, reduces the physical life of equipment.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of sand prevention better function, oil immersion type electric underwater pump that sealing is strong.
For achieving the above object, the utility model provides following technological scheme: a kind of oil immersion type electric underwater pump, comprise the pump housing, joint and motor, the pump housing is connected with motor by joint, motor is connected with output shaft, the main shaft be connected with output shaft is provided with in the described pump housing, main shaft is through joint, the first separation sleeve for isolating motor and joint and the second separation sleeve is provided with in joint, main shaft comprises major diameter axle and small diameter shaft, one end of major diameter axle is connected with one end of small diameter shaft, small diameter shaft is provided with impeller successively, for isolating the anti-sand sleeve of joint and the pump housing, dewatering device and location steel bushing, the outer wall of location steel bushing is arranged with the first mechanical seal, first mechanical seal comprises rotating ring and stationary ring, stationary ring is fixedly connected with the first separation sleeve, major diameter axle is provided with the second mechanical seal, stator is provided with in the described pump housing.
Further, the external diameter of described major diameter axle is identical with the external diameter of location steel bushing.
Further, the center line of the center line of described major diameter axle and small diameter shaft on the same line.
Further, the described pump housing is provided with circular baffle plate, circular baffle plate offers the circular hole with anti-sand sleeve adaptation.
Further, described second mechanical seal is between the first separation sleeve and the second separation sleeve.
Contrast the deficiencies in the prior art, the beneficial effect that the technological scheme that the utility model provides is brought: 1. the utility model makes anti-sand sleeve fix by location steel bushing, can not produce and move radially, effectively prevent sand from entering the inside of motor or mechanical seal, prevent the phenomenon of motor or mechanical seal damage from occurring.2. the utility model is fixedly connected with the first separation sleeve by stationary ring, the sheathed location steel with being fixed on main shaft of stationary ring puts, and during work, makes to produce liquid film between stationary ring and rotating ring, and then effectively open seal action, then open the effect of double seal by the second mechanical seal.
Accompanying drawing explanation
Fig. 1 is partial schematic sectional view of the present utility model.
Fig. 2 is G portion of the present utility model enlarged diagram.
Embodiment
With reference to Fig. 1-Fig. 2, the utility model is described further.
A kind of oil immersion type electric underwater pump, comprise the pump housing 1, joint 2 and motor 3, the pump housing 1 is connected with motor 3 by joint 2, motor 3 is connected with output shaft, the main shaft 4 be connected with output shaft is provided with in the described pump housing 1, main shaft 4 is through joint 2, the first separation sleeve 21 and the second separation sleeve 22 for isolating motor 3 and joint 2 is provided with in joint 2, main shaft 4 comprises major diameter axle 5 and small diameter shaft 6, one end of major diameter axle 5 is connected with one end of small diameter shaft 6, small diameter shaft 6 is provided with impeller 61 successively, for isolating the anti-sand sleeve 62 of joint 2 and the pump housing 1, dewatering device 63 and location steel bushing 64, the outer wall of location steel bushing 64 is arranged with the first mechanical seal 7, first mechanical seal 7 comprises rotating ring 71 and stationary ring 72, stationary ring 72 is fixedly connected with the first separation sleeve 21, major diameter axle 5 is provided with the second mechanical seal 9, stator 8 is provided with in the described pump housing 1.
One end of small diameter shaft 6 is connected with one end of major diameter axle 5, the other end successively compact siro spinning technology has impeller 61, anti-sand sleeve 62, dewatering device 63 and location steel bushing 64, wherein impeller 61 is bolted in small diameter shaft 6, locate steel bushing 64 to conflict with large diameter end face simultaneously, by above connection, make the space that anti-sand sleeve 62 does not move radially, the phenomenon effectively preventing anti-sand sleeve 62 from occurring moving radially occurs.
Be fixedly connected with the first separation sleeve 21 by stationary ring 72, stationary ring 72 sheathed be fixed on the location steel bushing 64 of main shaft 4, during work, make to produce liquid film between stationary ring 72 and rotating ring 71, and then effectively open seal action, then open the effect of double seal by the second mechanical seal 9.
Further, the external diameter of described major diameter axle 5 is identical with the external diameter of location steel bushing 64.
By the design that the external diameter of major diameter axle 5 is identical with the external diameter of location steel bushing 64, rotating ring 71 is facilitated to be arranged on the steel bushing 64 of location.
Further, the center line of the center line of described major diameter axle 5 and small diameter shaft 6 on the same line.
Add shearing stress when main shaft 4 rotates, decrease the resistance be subject to when small diameter shaft 6 is rotated simultaneously.
Further, the described pump housing 1 is provided with circular baffle plate 11, circular baffle plate 11 offers the circular hole with anti-sand sleeve 62 adaptation.
By the design of circular baffle plate 11, prevent silt from entering into joint 2, mechanical seal or motor 3 from other places, anti-sand sleeve 62 is adaptive with circular hole simultaneously, and anti-sand sleeve 62 can effectively stop silt to enter into joint 2, mechanical seal or motor 3.
Further, described second mechanical seal 9 is between the first separation sleeve 21 and the second separation sleeve 22.
By being bolted on joint 2 between the first separation sleeve 21 and the second separation sleeve 22, second mechanical seal 9 is located between the first separation sleeve 21 and the second separation sleeve 22, the first separation sleeve 21 and the second separation sleeve 22 is utilized second mechanical seal 9 to be produced to the effect compressed, make the sealing effect of the second mechanical seal 9 better, open the effect of second time sealing.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, those skilled in the art carries out common change and replaces should being included in protection domain of the present utility model within the scope of technical solutions of the utility model.
Claims (5)
1. an oil immersion type electric underwater pump, it is characterized in that: comprise the pump housing, joint and motor, the pump housing is connected with motor by joint, motor is connected with output shaft, the main shaft be connected with output shaft is provided with in the described pump housing, main shaft is through joint, the first separation sleeve for isolating motor and joint and the second separation sleeve is provided with in joint, main shaft comprises major diameter axle and small diameter shaft, one end of major diameter axle is connected with one end of small diameter shaft, small diameter shaft is provided with impeller successively, for isolating the anti-sand sleeve of joint and the pump housing, dewatering device and location steel bushing, the outer wall of location steel bushing is arranged with the first mechanical seal, first mechanical seal comprises rotating ring and stationary ring, stationary ring is fixedly connected with the first separation sleeve, major diameter axle is provided with the second mechanical seal, stator is provided with in the described pump housing.
2. a kind of oil immersion type electric underwater pump according to claim 1, is characterized in that: the external diameter of described major diameter axle is identical with the external diameter of location steel bushing.
3. a kind of oil immersion type electric underwater pump according to claim 1 and 2, is characterized in that: the center line of described major diameter axle and the center line of small diameter shaft are on the same line.
4. a kind of oil immersion type electric underwater pump according to claim 1 and 2, is characterized in that: the described pump housing is provided with circular baffle plate, circular baffle plate offers the circular hole with anti-sand sleeve adaptation.
5. a kind of oil immersion type electric underwater pump according to claim 3, is characterized in that: described second mechanical seal is between the first separation sleeve and the second separation sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584688.8U CN204200604U (en) | 2014-10-10 | 2014-10-10 | A kind of oil immersion type electric underwater pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584688.8U CN204200604U (en) | 2014-10-10 | 2014-10-10 | A kind of oil immersion type electric underwater pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200604U true CN204200604U (en) | 2015-03-11 |
Family
ID=52658568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420584688.8U Expired - Fee Related CN204200604U (en) | 2014-10-10 | 2014-10-10 | A kind of oil immersion type electric underwater pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200604U (en) |
-
2014
- 2014-10-10 CN CN201420584688.8U patent/CN204200604U/en not_active Expired - Fee Related
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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: 20150311 Termination date: 20161010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |