CN2799917Y - Shielding vertical single-stage water pump - Google Patents
Shielding vertical single-stage water pump Download PDFInfo
- Publication number
- CN2799917Y CN2799917Y CN 200520039591 CN200520039591U CN2799917Y CN 2799917 Y CN2799917 Y CN 2799917Y CN 200520039591 CN200520039591 CN 200520039591 CN 200520039591 U CN200520039591 U CN 200520039591U CN 2799917 Y CN2799917 Y CN 2799917Y
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- motor
- pump
- water
- shielding
- impeller
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- Expired - Fee Related
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Abstract
The utility model relates to a pump, particularly a shielding vertical single-stage water pump. The utility model provides a shielding vertical single-stage water pump with reliable and stable operation and long service life. The utility model comprises a pump body, an impeller, a pump cover, a shielding motor and a motor rotary shaft, wherein the impeller is arranged in the pump body and is arranged on the motor rotary shaft, the shielding motor and the pump cover are connected with the pump body, and the middle part of the inner side of the pump body is provided with a spiral casing type pump cavity. The spiral casing type pump cavity near to one side of a water inlet and the inner wall of the pump body form an upper water inlet cavity and a lower water inlet cavity. The impeller is provided with an upper bidirectional water uptake opening and a lower bidirectional water uptake opening. The side surface of the middle part of the pump cover is provided with an opening groove which is corresponding to a water inlet of the pump body. Because the impeller uses double suction structure, water enters from both sides of the impeller simultaneously, a motor rotor is always suspended, the abradability of a bearing of a rotary shaft by radial pull is reduced, and the service life of the utility model is extended. Simultaneously, the work condition of the rotary shaft of the motor can be improved, and vibrations and noise during the work of the water pump can be effectively reduced.
Description
Technical field
The utility model relates to a kind of pump class, especially relates to a kind of shielding vertical single stage water pump.
Background technique
Vertical pump is the vertically disposed pump of a kind of rotating shaft.In the prior art, the vertical single stage water pump generally adopts the form of single suction, its structure is made of motor, impeller and the pump housing, the pump housing places the motor below, its impeller is connected with machine shaft, and the impeller suction is following, and water sucks from the water inlet of the pump housing one side during work, water sucking mouth through the impeller below enters in the pump housing, discharges from the water outlet of pump housing opposite side after the high hydraulic pressure end revolution in impeller top again.The centrifugal tension that water pump vane is produced during its motor rotation of this structure all acts on the plane of thrust disc and shaft bearing, and its rate of wear is accelerated, and reduces its working life.
Usually the motor and the motor lower end cap of shielding motor all adopt integral type or built-in type structure, must take the pump housing, impeller and pump cover apart when checking and safeguarding, therefore very bother.
Summary of the invention
The purpose of this utility model provides a kind of shielding vertical single stage water pump reliable, long service life that operates steadily.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of shielding vertical single stage water pump comprises the pump housing 1, impeller 2, pump cover 3, shielding motor 4 and machine shaft 5, the pump housing 1 places the below of shielding motor 4, and impeller 2 is connected with machine shaft 5; Pump cover 3 be installed in the pump housing 1 above; One side of the pump housing 1 is provided with water intake 11, and opposite side is provided with water outlet 15, it is characterized in that: the middle inside of the described pump housing 1 is provided with scroll casing type pump chamber 12, forms upper and lower two water-inlet cavitys near the scroll casing type pump chamber 12 of water intake 11 1 sides and the inwall of the pump housing 1; Impeller 2 is installed in the cavity 13 in the scroll casing type pump chamber 12, and described impeller 2 has upper and lower two-way two water sucking mouths (21,22), and the side, middle part of described pump cover 3 is provided with opening slot 31, and described opening slot 31 is corresponding with the water-inlet cavity on water intake 11 tops of the pump housing 1.
The lower end of described pump cover 3 is fixed on the inner edge 14 of scroll casing type pump chamber 12 of the pump housing 1, has isolated pump chamber and top water intake.
Described shielding motor 4 comprises motor lower end cap 41, motor casing 42, stator module 43, rotor assembly 44 and motor upper cover 45, pack in the described motor casing 42 stator module 43 and rotor assembly, under be furnished with motor lower end cap 41, on be furnished with motor upper cover 45, in the installed inside of motor upper cover 45 and motor lower end cap 41 shaft bearing 48 is arranged.
The motor casing 42 of described shielding motor 4 adopts the split external-mounted structure with motor lower end cap 41.
The top motor upper cover 45 of described shielding motor 4 is provided with automatic control pressure vent 46.
The water intake 11 of the described pump housing 1 and water outlet 15 are on same horizontal axis.
The utility model has the advantages that impeller adopts the double-sucking type structure, intake simultaneously, make rotor be in state of suspension all the time, reduced the wear intensity of radial pull countershaft bearing, prolonged working life from the upper and lower both sides of impeller.Simultaneously, owing to, can improve the working condition of machine shaft, vibration when effectively reducing pump working and noise from the water inlet of upper and lower both sides.
Easy accessibility, because of shielding motor and motor lower end cap employing split external mounted, just can separate motor and motor lower end cap part as long as pull down link, can take off the shielding motor stator reaches with top, the stator module part is partly separated with rotor assembly, and this structure is very convenient in making regular check on and safeguarding.
Because of being provided with automatic control pressure vent at the top of shielding motor 4, as long as when water pump uses, open inlet valve, unclamp the valve on the outlet valve limit, air in the pump housing 1 and the motor will be automatically from wherein discharging, can close automatically at once after having arranged, can not make outside the medium efflux pump, this function guarantees that pump in use need not the special messenger and often goes to open the valve exhaust, reduce labor intensity, improved the reliability of water pump operation.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of the utility model shielding motor;
Fig. 3 is the structural representation of the utility model pump cover;
Fig. 4 is the A-A sectional view of the utility model Fig. 3;
Fig. 5 is the structural representation of the utility model impeller;
Fig. 6 is the structural representation of the utility model pump housing.
Embodiment
Below in conjunction with accompanying drawing the utility model is specifically described:
Shown in Figure 1, a kind of shielding vertical single stage double sucting pump comprises the pump housing 1, impeller 2, pump cover 3, shielding motor 4 and machine shaft 5, and the pump housing 1 places the below of shielding motor 4.One side of the described pump housing 1 is provided with water intake 11, relative opposite side is provided with water outlet 15, and the upper wall of described water outlet 15 is provided with effluent trough 16, and filter screen 17 is equipped with in the lower end of described effluent trough 16, top is equipped with Circulation pipe 47, and the other end of described Circulation pipe 47 is installed in the top of shielding motor 4.The bottom of the described pump housing 1 is provided with installation chassis 18.Referring to shown in Figure 6, the water intake 11 of the described pump housing 1 and water outlet 15 are on same horizontal axis, and this structure pipeline is easy for installation.The inside of the pump housing 1 is provided with scroll casing type pump chamber 12, forms upper and lower two water-inlet cavitys near the scroll casing type pump chamber 12 of water intake 11 1 sides and the inwall of the pump housing 1.
Described impeller 2 places in the cavity 13 in the scroll casing type pump chamber 12, and impeller 2 is installed on the machine shaft 5.Described impeller 2 has upper and lower two-way two water sucking mouths (21,22), referring to shown in Figure 5.The top of the described pump housing 1, pump cover 3 and motor 4 bottom lower end caps are externally fixed with screw, and the lower end of pump cover 3 is fixed on the inner edge 14 of scroll casing type pump chamber 12 of the pump housing 1, has isolated pump chamber and top water intake.The side, middle part of pump cover 3 is provided with opening slot 31, referring to Fig. 3, shown in Figure 4.The opening slot 31 of pump cover 3 is corresponding with the water-inlet cavity on water intake 11 tops of the pump housing 1.
Shielding motor 4 structures shown in Figure 2, comprise motor lower end cap 41, motor casing 42, stator module 43, rotor assembly 44 and motor upper cover 45, pack in the motor casing 42 stator module 43 and rotor assembly 44 are furnished with motor lower end cap 41 down, on be furnished with motor upper cover 45.Installed inside at motor upper cover 45 and motor lower end cap 41 has shaft bearing.The motor casing 42 of described shielding motor adopts the split external mounted with motor lower end cap 41, as long as pull down link, with eject screw in the push-out motor shell of screw at motor casing, can take off the shielding motor stator component and reach with top, this structure is very convenient in checking and safeguarding.
Wherein be provided with automatic control pressure vent 46 on the top motor upper cover 45 of shielding motor 4, as long as when water pump uses, open inlet valve, unclamp the valve on the outlet valve limit, air in the pump housing and the motor will be automatically from wherein discharging, can close automatically at once after having arranged, can not make outside the medium efflux pump, this function makes pump in use need not the special messenger and often goes to open the valve exhaust, reduce labor intensity, improved the reliability of water pump operation.
During use, fed sheet of a media enters from the water intake 11 of the pump housing 1, opening slot 31 ends and pump housing lower flow channel end both sides water-inlet cavity through pump cover 3 enter simultaneously, pump cover 3 separates and has sealed the water intake and the water outlet of water pump, make impeller 2 energy proper functioning, under the effect of impeller 2, fed sheet of a media is from last, following two ends suck, dish out from the centre then, through water outlet and the outlet conduit of the pump housing 1 outlet passage to water pump 1, and sub-fraction medium wherein is back to the water intake of water pump low pressure area again through the top of the Circulation pipe 47 inflow shielding motors 4 of the pump housing 1 zone of high pressure water outlet through the shielding motor.
Because motor adopts shielding structure can guarantee that liquid does not leak, so can carry harmful or expensive easy leakage liquid to human body, environment and equipment.The utilization of machine shaft bearing carries liquid lubricated voluntarily, does not need regularly to inject separately lubricant oil, so also can not pollute the liquid of conveying.The shielding motor is not established the fan of cooling usefulness, is to rely on the medium of self carrying to come cooling motor, and the heat that machine operation produces is taken away with the conveying of medium, so operation can further reduce with vibration between making an uproar.
The motor casing 42 that this series shielding electric pump adopts adopts waterproof, blasting resistance structure, can use safely out of doors.
Claims (6)
1. a shielding vertical single stage water pump comprises the pump housing (1), impeller (2), pump cover (3), shielding motor (4) and machine shaft (5), and the pump housing (1) places the below of shielding motor (4), and impeller (2) is connected with machine shaft (5); Pump cover (3) be installed in the pump housing 1 above; One side of the pump housing (1) is provided with water intake (11), opposite side is provided with water outlet (15), it is characterized in that: the middle inside of the described pump housing (1) is provided with scroll casing type pump chamber (12), forms upper and lower two water-inlet cavitys near the scroll casing type pump chamber (12) of water intake (11) one sides and the inwall of the pump housing (1); Impeller (2) is installed in the interior cavity (13) of scroll casing type pump chamber (12), described impeller (2) has upper and lower two-way two water sucking mouths (21,22), the side, middle part of described pump cover (3) is provided with opening slot (31), and described opening slot (31) is corresponding with the water-inlet cavity on water intake (11) top of the pump housing (1).
2. a kind of shielding vertical single stage water pump according to claim 1 is characterized in that: the lower end of described pump cover (3) is fixed on the inner edge (14) of scroll casing type pump chamber (12) of the pump housing (1).
3. a kind of shielding vertical single stage water pump according to claim 1 and 2, it is characterized in that: described shielding motor (4) comprises motor lower end cap (41), motor casing (42), stator module (43), rotor assembly (44) and motor upper cover (45), pack in the described motor casing (42) stator module (43), rotor assembly (44), under be furnished with motor lower end cap (41), on be furnished with motor upper cover (45), in the installed inside of motor upper cover (45) and motor lower end cap (41) shaft bearing (48) is arranged.
4. a kind of shielding vertical single stage water pump according to claim 3 is characterized in that: the motor casing (42) of described shielding motor (4) adopts the split external-mounted structure with motor lower end cap (41).
5. a kind of shielding vertical single stage water pump according to claim 3 is characterized in that: the top motor upper cover (45) of described shielding motor (4) is provided with automatic control pressure vent (46).
6. a kind of shielding vertical single stage water pump according to claim 1 and 2 is characterized in that: the water intake (11) of the described pump housing (1) and water outlet (15) are on same horizontal axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520039591 CN2799917Y (en) | 2005-02-06 | 2005-02-06 | Shielding vertical single-stage water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520039591 CN2799917Y (en) | 2005-02-06 | 2005-02-06 | Shielding vertical single-stage water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2799917Y true CN2799917Y (en) | 2006-07-26 |
Family
ID=36842415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520039591 Expired - Fee Related CN2799917Y (en) | 2005-02-06 | 2005-02-06 | Shielding vertical single-stage water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2799917Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452913A (en) * | 2012-06-01 | 2013-12-18 | 浙江三花股份有限公司 | Assembly method for circulating-pump rotor structure |
| CN105736408A (en) * | 2015-11-30 | 2016-07-06 | 王庆昌 | Water-driven no-power exhaust fan |
| CN105736411A (en) * | 2015-11-30 | 2016-07-06 | 王庆昌 | Transmission device of water-driven no-power exhaust fan |
| CN105736410A (en) * | 2015-11-30 | 2016-07-06 | 王庆昌 | Cavity device of water-driven no-power exhaust fan |
| CN106246559A (en) * | 2016-07-27 | 2016-12-21 | 上海创科泵业制造有限公司 | A kind of Double pump body double-suction type canned motor pump |
| CN107664128A (en) * | 2017-09-20 | 2018-02-06 | 四川宇康供水设备有限公司 | A kind of miniature variable frequency water supply water pump |
| CN107781222A (en) * | 2017-10-20 | 2018-03-09 | 项达章 | A kind of split type sewage pump |
-
2005
- 2005-02-06 CN CN 200520039591 patent/CN2799917Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452913A (en) * | 2012-06-01 | 2013-12-18 | 浙江三花股份有限公司 | Assembly method for circulating-pump rotor structure |
| CN105736408A (en) * | 2015-11-30 | 2016-07-06 | 王庆昌 | Water-driven no-power exhaust fan |
| CN105736411A (en) * | 2015-11-30 | 2016-07-06 | 王庆昌 | Transmission device of water-driven no-power exhaust fan |
| CN105736410A (en) * | 2015-11-30 | 2016-07-06 | 王庆昌 | Cavity device of water-driven no-power exhaust fan |
| CN106246559A (en) * | 2016-07-27 | 2016-12-21 | 上海创科泵业制造有限公司 | A kind of Double pump body double-suction type canned motor pump |
| CN106246559B (en) * | 2016-07-27 | 2019-09-20 | 上海创科泵业制造有限公司 | A kind of Double pump body double-suction type canned motor pump |
| CN107664128A (en) * | 2017-09-20 | 2018-02-06 | 四川宇康供水设备有限公司 | A kind of miniature variable frequency water supply water pump |
| CN107781222A (en) * | 2017-10-20 | 2018-03-09 | 项达章 | A kind of split type sewage 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 |